/* roulang page: index */
:root {
            --bg-primary: #0E0E12;
            --bg-secondary: #1A1A22;
            --bg-card: #181820;
            --brand-red: #E6324A;
            --brand-red-hover: #f04a5e;
            --brand-cyan: #34F5C5;
            --brand-gold: #D9B36C;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6B3;
            --text-muted: #6f6f7d;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --radius-xl: 28px;
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 18px 48px rgba(0, 0, 0, 0.5);
            --shadow-hero: 0 20px 60px rgba(230, 50, 74, 0.15);
            --transition-base: 220ms ease-out;
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "SF Mono", "Roboto Mono", "Consolas", "Menlo", monospace;
            --container-max: 1240px;
            --section-pad: 80px 0;
            --section-pad-mobile: 52px 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: linear-gradient(180deg, #0E0E12 0%, #1A1A22 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--text-primary);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .grid-container {
            max-width: var(--container-max);
            padding: 0 24px;
        }

        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }
        .grid-margin-x {
            margin-left: -16px;
            margin-right: -16px;
        }
        .grid-margin-x > .cell {
            padding-left: 16px;
            padding-right: 16px;
        }
        .align-middle {
            align-items: center;
        }
        .align-center {
            justify-content: center;
        }
        .align-justify {
            justify-content: space-between;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 14, 18, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .logo-text .logo-highlight {
            color: var(--brand-red);
        }
        .logo-text a {
            color: inherit;
        }
        .logo-text a:hover {
            color: var(--brand-cyan);
        }
        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-center a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-center a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-center a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
            box-shadow: inset 0 0 0 1px rgba(230, 50, 74, 0.25);
        }
        .lang-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
            cursor: default;
            user-select: none;
        }
        .lang-pill:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-toggle .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            margin: 4px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-toggle.is-open .bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.is-open .bar:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.is-open .bar:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            background: rgba(14, 14, 18, 0.96);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0 16px;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            transition: all var(--transition-base);
        }
        .mobile-menu a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            border-left-color: var(--brand-cyan);
        }
        .mobile-menu a.active {
            color: var(--text-primary);
            border-left-color: var(--brand-red);
            background: rgba(230, 50, 74, 0.1);
        }
        .mobile-menu .mobile-lang {
            margin: 12px 24px 0;
            display: inline-block;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: url('/assets/images/77bf59ffd16c3659.webp');
            background-size: cover;
            background-position: center;
            padding: 96px 0 72px;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14,14,18,0.88) 0%, rgba(14,14,18,0.62) 40%, rgba(230,50,74,0.28) 75%, rgba(52,245,197,0.16) 100%);
            z-index: 1;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(230,50,74,0.12) 0%, transparent 55%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.08);
            border: 1px solid rgba(52, 245, 197, 0.22);
            border-radius: 999px;
        }
        .hero-tag.hot {
            color: var(--brand-gold);
            background: rgba(217, 179, 108, 0.08);
            border-color: rgba(217, 179, 108, 0.28);
        }
        .hero-title {
            font-size: clamp(36px, 5.5vw, 64px);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.01em;
            margin: 0 0 24px 0;
            max-width: 720px;
            color: var(--text-primary);
        }
        .hero-title .highlight-red {
            color: var(--brand-red);
        }
        .hero-title .highlight-cyan {
            color: var(--brand-cyan);
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 0 32px 0;
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--brand-red) 0%, #c51f36 100%);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--brand-red-hover) 0%, var(--brand-red) 100%);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(230, 50, 74, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            color: var(--brand-cyan);
            border-color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.06);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .hero-data-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }
        .hero-data-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            font-family: var(--font-mono);
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }
        .hero-data-pill .num {
            color: var(--brand-cyan);
            font-weight: 700;
        }
        .hero-data-pill .num.gold {
            color: var(--brand-gold);
        }
        .hero-data-pill .num.red {
            color: var(--brand-red);
        }

        /* ========== 通用 section ========== */
        .section-block {
            padding: var(--section-pad);
            position: relative;
        }
        .section-block.alt-bg {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-cyan);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label .dot {
            width: 6px;
            height: 6px;
            background: var(--brand-red);
            border-radius: 50%;
            display: inline-block;
        }
        .section-title {
            font-size: clamp(26px, 3.4vw, 36px);
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 16px 0;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .section-title .accent {
            color: var(--brand-red);
        }
        .section-title .accent-cyan {
            color: var(--brand-cyan);
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0;
        }

        /* ========== 功能分组 - 不规则大卡(Bento) ========== */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }
        .bento-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .bento-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .bento-card.card-large {
            grid-column: span 7;
        }
        .bento-card.card-medium {
            grid-column: span 5;
        }
        .bento-card.card-wide {
            grid-column: span 12;
        }
        .bento-card .card-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .bento-card .icon-badge {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .icon-badge.red-bg {
            background: rgba(230, 50, 74, 0.14);
            border: 1px solid rgba(230, 50, 74, 0.28);
        }
        .icon-badge.cyan-bg {
            background: rgba(52, 245, 197, 0.12);
            border: 1px solid rgba(52, 245, 197, 0.25);
        }
        .icon-badge.gold-bg {
            background: rgba(217, 179, 108, 0.12);
            border: 1px solid rgba(217, 179, 108, 0.28);
        }
        .bento-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 0 0 10px 0;
            color: var(--text-primary);
        }
        .bento-card p {
            font-size: 14.5px;
            line-height: 1.78;
            color: var(--text-secondary);
            margin: 0 0 18px 0;
            flex-grow: 1;
        }
        .bento-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }
        .bento-card .card-meta .data-chip {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--brand-cyan);
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-base);
        }
        .card-link:hover {
            color: var(--text-primary);
            gap: 8px;
        }

        /* ========== 使用场景 - 横向滚动 ========== */
        .scene-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 4px 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.15) transparent;
        }
        .scene-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .scene-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .scene-scroll::-webkit-scrollbar-thumb {
            background: rgba(255,255,255,0.15);
            border-radius: 6px;
        }
        .scene-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .scene-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .scene-card img {
            width: 100%;
            height: 168px;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .scene-card:hover img {
            transform: scale(1.04);
        }
        .scene-card .scene-body {
            padding: 18px 18px 20px;
        }
        .scene-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text-primary);
        }
        .scene-card p {
            font-size: 13.5px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0 0 12px 0;
        }
        .scene-card .scene-tag {
            display: inline-block;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 600;
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.08);
            border: 1px solid rgba(52, 245, 197, 0.2);
            border-radius: 999px;
        }
        .scene-card .scene-tag.gold {
            color: var(--brand-gold);
            background: rgba(217, 179, 108, 0.08);
            border-color: rgba(217, 179, 108, 0.25);
        }

        /* ========== 截图/演示 - 浏览器外框 ========== */
        .demo-window {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .demo-window .window-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.03);
        }
        .window-bar .dot {
            width: 11px;
            height: 11px;
            border-radius: 50%;
        }
        .window-bar .dot.red {
            background: var(--brand-red);
        }
        .window-bar .dot.yellow {
            background: var(--brand-gold);
        }
        .window-bar .dot.green {
            background: var(--brand-cyan);
        }
        .window-bar .window-title {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 8px;
        }
        .demo-window .demo-body {
            position: relative;
            padding: 0;
        }
        .demo-window .demo-body img {
            width: 100%;
            height: auto;
            min-height: 280px;
            object-fit: cover;
            display: block;
        }
        .demo-window .floating-badge {
            position: absolute;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 600;
            font-family: var(--font-mono);
            color: var(--text-primary);
            background: rgba(14, 14, 18, 0.82);
            border: 1px solid rgba(52, 245, 197, 0.35);
            border-radius: 12px;
            backdrop-filter: blur(8px);
            pointer-events: none;
        }
        .floating-badge.badge-1 {
            top: 18%;
            left: 4%;
        }
        .floating-badge.badge-2 {
            top: 56%;
            right: 5%;
            border-color: rgba(230, 50, 74, 0.4);
        }
        .floating-badge.badge-3 {
            bottom: 12%;
            left: 12%;
            border-color: rgba(217, 179, 108, 0.4);
        }
        .floating-badge .badge-num {
            color: var(--brand-cyan);
            font-weight: 700;
        }
        .floating-badge .badge-num.red {
            color: var(--brand-red);
        }
        .floating-badge .badge-num.gold {
            color: var(--brand-gold);
        }

        /* ========== 结果数据条 ========== */
        .data-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .data-stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .data-stat-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .data-stat-card .stat-num {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--brand-cyan);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-stat-card .stat-num.red {
            color: var(--brand-red);
        }
        .data-stat-card .stat-num.gold {
            color: var(--brand-gold);
        }
        .data-stat-card .stat-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }
        .data-stat-card .stat-unit {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-layout {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .brand-intro-text {
            flex: 1 1 480px;
            min-width: 0;
        }
        .brand-intro-text p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin: 0 0 18px 0;
        }
        .brand-intro-text .brand-highlight-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .brand-highlight-list .brand-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: 999px;
        }
        .brand-intro-image {
            flex: 1 1 360px;
            min-width: 0;
        }
        .brand-intro-image img {
            border-radius: var(--radius-xl);
            width: 100%;
            height: auto;
            object-fit: cover;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }

        /* ========== 成功案例 ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .case-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .case-card:hover img {
            transform: scale(1.04);
        }
        .case-card .case-body {
            padding: 22px 22px 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .case-card .case-tag {
            display: inline-block;
            margin-bottom: 10px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.08);
            border: 1px solid rgba(52, 245, 197, 0.2);
            border-radius: 999px;
            padding: 4px 10px;
            align-self: flex-start;
        }
        .case-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 10px 0;
            color: var(--text-primary);
        }
        .case-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 14px 0;
            flex-grow: 1;
        }
        .case-card .case-result {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .case-result .result-num {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--brand-cyan);
            font-size: 16px;
        }
        .case-result .result-num.red {
            color: var(--brand-red);
        }

        /* ========== 套餐价格 ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .pricing-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 28px 24px 30px;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border-color: rgba(230, 50, 74, 0.35);
            box-shadow: 0 0 0 1px rgba(230, 50, 74, 0.2), var(--shadow-card);
        }
        .pricing-card .featured-tag {
            position: absolute;
            top: -10px;
            right: 20px;
            padding: 4px 12px;
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--brand-red) 0%, #c51f36 100%);
            border-radius: 999px;
        }
        .pricing-card .plan-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .pricing-card .plan-price {
            font-size: clamp(28px, 3vw, 36px);
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--brand-cyan);
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .pricing-card .plan-price.gold {
            color: var(--brand-gold);
        }
        .pricing-card .plan-price.red {
            color: var(--brand-red);
        }
        .pricing-card .plan-unit {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }
        .pricing-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 22px 0;
            flex-grow: 1;
        }
        .pricing-card ul li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-card ul li::before {
            content: "✓";
            color: var(--brand-cyan);
            font-weight: 700;
            font-size: 15px;
        }
        .pricing-card .btn-primary {
            width: 100%;
            justify-content: center;
        }

        /* ========== 评价墙 ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            transition: all var(--transition-base);
        }
        .review-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .review-card .review-stars {
            color: var(--brand-gold);
            font-size: 14px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .review-card p {
            font-size: 14px;
            line-height: 1.78;
            color: var(--text-secondary);
            margin: 0 0 14px 0;
        }
        .review-card .review-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .review-card .review-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== 用户口碑数据 ========== */
        .reputation-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            margin-top: 8px;
        }
        .rep-item {
            text-align: center;
            flex: 1 1 160px;
            min-width: 120px;
        }
        .rep-item .rep-num {
            font-size: clamp(26px, 3.4vw, 34px);
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--brand-cyan);
            line-height: 1.2;
        }
        .rep-item .rep-num.gold {
            color: var(--brand-gold);
        }
        .rep-item .rep-num.red {
            color: var(--brand-red);
        }
        .rep-item .rep-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ========== 资讯列表 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            transition: all var(--transition-base);
        }
        .news-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .news-item img {
            width: 140px;
            height: 86px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }
        .news-item:hover img {
            transform: scale(1.04);
        }
        .news-item .news-content {
            flex-grow: 1;
            min-width: 0;
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 4px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-item .news-meta .news-tag {
            color: var(--brand-cyan);
            font-weight: 600;
        }
        .news-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text-primary);
        }
        .news-item p {
            font-size: 13.5px;
            line-height: 1.65;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ========== 赛事日历/议程时间线 ========== */
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .timeline-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-base);
            position: relative;
        }
        .timeline-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .timeline-card .date-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--brand-gold);
            background: rgba(217, 179, 108, 0.1);
            border: 1px solid rgba(217, 179, 108, 0.25);
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .timeline-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text-primary);
        }
        .timeline-card p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0 0 10px 0;
        }
        .timeline-card .timeline-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--brand-cyan);
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .accordion {
            list-style: none;
            padding: 0;
            margin: 0;
            border: none;
        }
        .accordion-item {
            margin-bottom: 8px;
            border: 1px solid var(--border-subtle) !important;
            border-radius: var(--radius-md) !important;
            background: var(--bg-card) !important;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .accordion-item:hover {
            border-color: var(--border-hover) !important;
        }
        .accordion-title {
            display: block !important;
            padding: 18px 20px !important;
            font-size: 16px !important;
            font-weight: 600 !important;
            color: var(--text-primary) !important;
            background: transparent !important;
            border: none !important;
            cursor: pointer;
            transition: all var(--transition-base);
            position: relative;
            padding-right: 48px !important;
        }
        .accordion-title:hover {
            color: var(--brand-cyan) !important;
            background: rgba(255, 255, 255, 0.03) !important;
        }
        .accordion-title::after {
            content: "+";
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-cyan);
            transition: transform var(--transition-base);
        }
        .accordion-item.is-active .accordion-title::after {
            content: "−";
            transform: translateY(-50%);
            color: var(--brand-red);
        }
        .accordion-content {
            padding: 0 20px 18px !important;
            font-size: 15px !important;
            line-height: 1.75 !important;
            color: var(--text-secondary) !important;
            background: transparent !important;
            border: none !important;
        }

        /* ========== 开通 CTA ========== */
        .cta-section {
            padding: var(--section-pad);
            position: relative;
            background-image: url('/assets/images/ffb6b784952a3feb.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14,14,18,0.92) 0%, rgba(14,14,18,0.72) 50%, rgba(230,50,74,0.3) 100%);
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-layout {
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
        }
        .cta-text {
            flex: 1 1 400px;
            min-width: 0;
        }
        .cta-text h2 {
            font-size: clamp(28px, 3.6vw, 38px);
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 16px 0;
            color: var(--text-primary);
        }
        .cta-text p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0 0 24px 0;
        }
        .cta-form-card {
            flex: 1 1 380px;
            min-width: 0;
            background: rgba(24, 24, 32, 0.92);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            backdrop-filter: blur(10px);
        }
        .cta-form-card .form-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 5px;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            font-size: 14px;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            transition: all var(--transition-base);
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--brand-cyan);
            background: rgba(255, 255, 255, 0.06);
            box-shadow: 0 0 0 3px rgba(52, 245, 197, 0.1);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 70px;
        }
        .btn-submit {
            width: 100%;
            padding: 13px 20px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--brand-red) 0%, #c51f36 100%);
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .btn-submit:hover {
            background: linear-gradient(135deg, var(--brand-red-hover) 0%, var(--brand-red) 100%);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(230, 50, 74, 0.3);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0B0B0F;
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 12px 0;
        }
        .footer-brand h3 .highlight {
            color: var(--brand-red);
        }
        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px 0;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: var(--text-secondary);
            transition: all var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--brand-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
            font-size: 12.5px;
        }
        .footer-bottom a:hover {
            color: var(--brand-cyan);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }
        .footer-bottom .sep {
            color: var(--border-hover);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .bento-card.card-large {
                grid-column: span 12;
            }
            .bento-card.card-medium {
                grid-column: span 12;
            }
            .bento-card.card-wide {
                grid-column: span 12;
            }
            .data-stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-card.featured {
                grid-column: span 2;
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 640px) {
            body {
                font-size: 15px;
                line-height: 1.7;
            }
            .grid-container {
                padding: 0 16px;
            }
            .grid-margin-x {
                margin-left: -10px;
                margin-right: -10px;
            }
            .grid-margin-x > .cell {
                padding-left: 10px;
                padding-right: 10px;
            }
            .section-block {
                padding: var(--section-pad-mobile);
            }
            .cta-section {
                padding: var(--section-pad-mobile);
            }
            .site-header {
                padding: 10px 0;
            }
            .logo-text {
                font-size: 18px;
            }
            .nav-center {
                display: none;
            }
            .lang-pill.desktop-only {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
            }
            .mobile-menu {
                display: block;
            }
            .hero-section {
                min-height: 68vh;
                padding: 64px 0 48px;
            }
            .hero-title {
                font-size: clamp(28px, 7vw, 40px);
                margin-bottom: 16px;
            }
            .hero-desc {
                font-size: 15px;
                margin-bottom: 24px;
            }
            .hero-cta-row {
                gap: 12px;
                margin-bottom: 24px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .hero-data-strip {
                gap: 8px;
            }
            .hero-data-pill {
                padding: 6px 12px;
                font-size: 11.5px;
            }
            .scene-card {
                flex: 0 0 250px;
            }
            .scene-card img {
                height: 140px;
            }
            .data-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-stat-card {
                padding: 16px 12px;
            }
            .data-stat-card .stat-num {
                font-size: 26px;
            }
            .brand-intro-layout {
                gap: 24px;
            }
            .brand-intro-image {
                flex: 1 1 100%;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .pricing-card.featured {
                grid-column: span 1;
            }
            .review-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .timeline-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .reputation-strip {
                padding: 18px 14px;
                gap: 10px;
                justify-content: center;
            }
            .rep-item {
                flex: 1 1 44%;
                min-width: 44%;
            }
            .rep-item .rep-num {
                font-size: 24px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .news-item img {
                width: 100%;
                height: 150px;
            }
            .cta-layout {
                gap: 24px;
            }
            .cta-form-card {
                padding: 20px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .footer-bottom .footer-links {
                gap: 10px;
            }
            .case-grid {
                gap: 16px;
            }
            .case-card img {
                height: 150px;
            }
            .demo-window .floating-badge {
                font-size: 11px;
                padding: 5px 10px;
            }
            .demo-window .floating-badge.badge-1 {
                top: 10%;
                left: 2%;
            }
            .demo-window .floating-badge.badge-2 {
                top: 45%;
                right: 2%;
            }
            .demo-window .floating-badge.badge-3 {
                bottom: 8%;
                left: 4%;
            }
            .accordion-title {
                font-size: 14.5px !important;
                padding: 14px 16px !important;
                padding-right: 42px !important;
            }
            .accordion-content {
                font-size: 13.5px !important;
                padding: 0 16px 14px !important;
            }
        }
        @media (min-width: 641px) {
            .mobile-menu {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0E0E12;
            --bg-secondary: #1A1A22;
            --bg-card: #181820;
            --brand-red: #E6324A;
            --brand-red-hover: #f04a5e;
            --brand-cyan: #34F5C5;
            --brand-gold: #D9B36C;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6B3;
            --text-muted: #6f6f7d;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --radius-xl: 28px;
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 18px 48px rgba(0, 0, 0, 0.5);
            --shadow-hero: 0 20px 60px rgba(230, 50, 74, 0.15);
            --transition-base: 220ms ease-out;
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "SF Mono", "Roboto Mono", "Consolas", "Menlo", monospace;
            --container-max: 1240px;
            --section-pad: 80px 0;
            --section-pad-mobile: 52px 0;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: linear-gradient(180deg, #0E0E12 0%, #1A1A22 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--text-primary);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .grid-container {
            max-width: var(--container-max);
            padding: 0 24px;
            margin: 0 auto;
        }

        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }

        .grid-margin-x {
            margin-left: -16px;
            margin-right: -16px;
        }

        .grid-margin-x>.cell {
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 14, 18, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-text .logo-highlight {
            color: var(--brand-red);
        }

        .logo-text a {
            color: inherit;
        }

        .logo-text a:hover {
            color: var(--brand-cyan);
        }

        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-center a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-center a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-center a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
            box-shadow: inset 0 0 0 1px rgba(230, 50, 74, 0.25);
        }

        .lang-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
            cursor: default;
            user-select: none;
        }

        .lang-pill:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-toggle .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            margin: 4px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.is-open .bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.is-open .bar:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.is-open .bar:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 16px 24px;
            gap: 4px;
            background: rgba(14, 14, 18, 0.97);
            border-bottom: 1px solid var(--border-subtle);
        }

        .mobile-menu a {
            padding: 12px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
        }

        .mobile-menu .lang-pill {
            margin-top: 16px;
            align-self: flex-start;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding: 28px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--brand-cyan);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ========== 分类页头 ========== */
        .category-hero {
            padding: 36px 0 48px;
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.08) 0%, rgba(26, 26, 34, 0.4) 55%, rgba(14, 14, 18, 0.2) 100%);
            border-bottom: 1px solid var(--border-subtle);
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            margin: 0 0 14px;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .category-hero .intro {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0;
            line-height: 1.75;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: rgba(255, 255, 255, 0.02);
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            margin: 0 0 12px;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 32px;
            line-height: 1.65;
            max-width: 640px;
        }

        /* ========== 卡片 ========== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
        }

        .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: linear-gradient(135deg, #1A1A22 0%, #23232e 100%);
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .card:hover .card-cover img {
            transform: scale(1.04);
        }

        .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.1);
            border: 1px solid rgba(52, 245, 197, 0.22);
            padding: 3px 10px;
            border-radius: 999px;
            align-self: flex-start;
            margin-bottom: 12px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-primary);
            line-height: 1.45;
        }

        .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 16px;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border-subtle);
        }

        .card-meta .date {
            font-family: var(--font-mono);
            font-size: 12px;
        }

        .card-meta .badge {
            padding: 2px 8px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 500;
            background: rgba(217, 179, 108, 0.12);
            color: var(--brand-gold);
            border: 1px solid rgba(217, 179, 108, 0.22);
        }

        /* ========== 数据徽章 ========== */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 600;
            font-family: var(--font-mono);
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.08);
            border: 1px solid rgba(52, 245, 197, 0.22);
            border-radius: 999px;
            white-space: nowrap;
        }

        .data-badge.gold {
            color: var(--brand-gold);
            background: rgba(217, 179, 108, 0.08);
            border-color: rgba(217, 179, 108, 0.22);
        }

        .data-badge.red {
            color: var(--brand-red-hover);
            background: rgba(230, 50, 74, 0.08);
            border-color: rgba(230, 50, 74, 0.22);
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, #E6324A 0%, #d42a40 100%);
            color: #fff;
            box-shadow: 0 6px 20px rgba(230, 50, 74, 0.28);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #f04a5e 0%, #e6324a 100%);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 50, 74, 0.38);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-hover);
        }

        .btn-outline:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.05);
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 2px;
        }

        /* ========== 选手状态摘要条 ========== */
        .status-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            padding: 20px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
        }

        .status-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-cyan);
            box-shadow: 0 0 8px rgba(52, 245, 197, 0.45);
        }

        .status-dot.warm {
            background: var(--brand-gold);
            box-shadow: 0 0 8px rgba(217, 179, 108, 0.45);
        }

        .status-dot.hot {
            background: var(--brand-red);
            box-shadow: 0 0 8px rgba(230, 50, 74, 0.5);
        }

        /* ========== 招募说明 ========== */
        .recruit-panel {
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.06) 0%, rgba(26, 26, 34, 0.6) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px;
        }

        .recruit-panel h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text-primary);
        }

        .recruit-panel p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 20px;
            line-height: 1.7;
            max-width: 520px;
        }

        /* ========== 社区热点 ========== */
        .topic-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            margin-bottom: 12px;
        }

        .topic-card:hover {
            border-color: var(--border-hover);
            transform: translateX(4px);
        }

        .topic-rank {
            font-size: 24px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--brand-gold);
            min-width: 40px;
            text-align: center;
            line-height: 1.2;
        }

        .topic-content {
            flex: 1;
        }

        .topic-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
            line-height: 1.5;
        }

        .topic-meta {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 64px 0;
        }

        .cta-panel {
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.12) 0%, rgba(26, 26, 34, 0.9) 45%, rgba(52, 245, 197, 0.06) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            box-shadow: var(--shadow-hero);
        }

        .cta-panel h2 {
            font-size: 26px;
            font-weight: 800;
            margin: 0 0 8px;
            color: var(--text-primary);
        }

        .cta-panel p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 520px;
            line-height: 1.65;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .cta-form input {
            min-width: 220px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-hover);
            background: rgba(14, 14, 18, 0.7);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-base);
        }

        .cta-form input::placeholder {
            color: var(--text-muted);
        }

        .cta-form input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 2px rgba(52, 245, 197, 0.15);
        }

        /* ========== 列表主体 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .news-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .news-thumb {
            flex-shrink: 0;
            width: 200px;
            aspect-ratio: 16 / 10;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: linear-gradient(135deg, #1A1A22, #23232e);
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-info .card-title {
            font-size: 17px;
            margin-bottom: 6px;
        }

        .news-info .card-excerpt {
            font-size: 14px;
            margin: 0 0 10px;
        }

        /* ========== 训练成果卡 ========== */
        .result-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            height: 100%;
        }

        .result-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .result-value {
            font-size: 36px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--brand-cyan);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .result-value.gold {
            color: var(--brand-gold);
        }

        .result-value.red {
            color: var(--brand-red-hover);
        }

        .result-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 6px;
        }

        .result-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0A0A0E;
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 28px;
            margin-top: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            margin: 0 0 12px;
            color: var(--text-primary);
        }

        .footer-brand h3 .highlight {
            color: var(--brand-red);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col li {
            margin-bottom: 8px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--brand-cyan);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--border-hover);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .footer-links a:hover {
            color: var(--brand-cyan);
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .nav-center {
                gap: 0;
            }

            .nav-center a {
                padding: 8px 12px;
                font-size: 14px;
            }

            .section {
                padding: 48px 0;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-center {
                display: none;
            }

            .desktop-only {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu.is-open {
                display: flex;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .section-title {
                font-size: 22px;
            }

            .news-item {
                flex-direction: column;
            }

            .news-thumb {
                width: 100%;
                aspect-ratio: 16 / 9;
            }

            .status-strip {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px 20px;
            }

            .cta-panel {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-form {
                width: 100%;
            }

            .cta-form input {
                flex: 1;
                min-width: 0;
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer-bottom .sep {
                margin: 0 4px;
            }
        }

        @media screen and (max-width: 520px) {
            .grid-container {
                padding: 0 16px;
            }

            .section {
                padding: 36px 0;
            }

            .category-hero {
                padding: 24px 0 32px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .category-hero .intro {
                font-size: 15px;
            }

            .card-body {
                padding: 16px 18px 18px;
            }

            .card-title {
                font-size: 16px;
            }

            .result-value {
                font-size: 28px;
            }

            .cta-panel h2 {
                font-size: 21px;
            }

            .recruit-panel {
                padding: 22px 20px;
            }

            .topic-card {
                padding: 14px 16px;
            }

            .topic-rank {
                font-size: 20px;
                min-width: 32px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0E0E12;
            --bg-secondary: #1A1A22;
            --bg-card: #181820;
            --brand-red: #E6324A;
            --brand-red-hover: #f04a5e;
            --brand-cyan: #34F5C5;
            --brand-gold: #D9B36C;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6B3;
            --text-muted: #6f6f7d;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --radius-xl: 28px;
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 18px 48px rgba(0, 0, 0, 0.5);
            --shadow-hero: 0 20px 60px rgba(230, 50, 74, 0.15);
            --transition-base: 220ms ease-out;
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "SF Mono", "Roboto Mono", "Consolas", "Menlo", monospace;
            --container-max: 1240px;
            --section-pad: 80px 0;
            --section-pad-mobile: 52px 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            box-sizing: border-box;
        }

        *,
        *::before,
        *::after {
            box-sizing: inherit;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: linear-gradient(180deg, #0E0E12 0%, #1A1A22 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--text-primary);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .grid-container {
            max-width: var(--container-max);
            padding: 0 24px;
            margin: 0 auto;
        }

        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }

        .grid-margin-x {
            margin-left: -16px;
            margin-right: -16px;
        }

        .grid-margin-x>.cell {
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 14, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-text .logo-highlight {
            color: var(--brand-red);
        }

        .logo-text a {
            color: inherit;
        }

        .logo-text a:hover {
            color: var(--brand-cyan);
        }

        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-center a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-center a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-center a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
            box-shadow: inset 0 0 0 1px rgba(230, 50, 74, 0.25);
        }

        .lang-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
            cursor: default;
            user-select: none;
        }

        .lang-pill:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
        }

        .desktop-only {
            display: inline-flex;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-toggle .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            margin: 4px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.is-open .bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.is-open .bar:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.is-open .bar:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            background: rgba(14, 14, 18, 0.98);
            border-bottom: 1px solid var(--border-subtle);
            padding: 16px 24px 20px;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
            box-shadow: inset 0 0 0 1px rgba(230, 50, 74, 0.25);
        }

        .mobile-menu .mobile-lang {
            margin-top: 12px;
            align-self: flex-start;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 24px 0 0;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

        .breadcrumb-nav a:hover {
            color: var(--brand-cyan);
        }

        .breadcrumb-nav .separator {
            color: var(--text-muted);
            user-select: none;
        }

        .breadcrumb-nav .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ========== 分类页页头 ========== */
        .category-hero {
            padding: 28px 0 36px;
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.08) 0%, rgba(52, 245, 197, 0.04) 50%, rgba(0, 0, 0, 0) 100%);
            border-bottom: 1px solid var(--border-subtle);
            max-height: 360px;
            display: flex;
            align-items: flex-start;
        }

        .category-hero .hero-content {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .category-hero h1 {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.2;
            margin: 0;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }

        .category-hero h1 .accent {
            color: var(--brand-red);
        }

        .category-hero .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
            max-width: 720px;
        }

        /* ========== 通用板块 ========== */
        .section-block {
            padding: var(--section-pad);
        }

        .section-block.alt-bg {
            background: var(--bg-secondary);
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: clamp(24px, 3.5vw, 32px);
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 10px;
            color: var(--text-primary);
        }

        .section-header h2 .highlight {
            color: var(--brand-cyan);
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
            max-width: 680px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 5px 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.08);
            border: 1px solid rgba(52, 245, 197, 0.2);
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        /* ========== 卡片 ========== */
        .tactics-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .tactics-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
        }

        .tactics-card .card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #0E0E12;
        }

        .tactics-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 280ms ease-out;
        }

        .tactics-card:hover .card-image img {
            transform: scale(1.04);
        }

        .tactics-card .card-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(14, 14, 18, 0.7) 100%);
            pointer-events: none;
        }

        .tactics-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-gold);
            background: rgba(14, 14, 18, 0.8);
            border: 1px solid rgba(217, 179, 108, 0.35);
            border-radius: 999px;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .tactics-card .card-content {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .tactics-card .card-content h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 8px;
            color: var(--text-primary);
        }

        .tactics-card .card-content p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0 0 14px;
            flex: 1;
        }

        .tactics-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .tactics-card .card-meta .meta-dot {
            width: 4px;
            height: 4px;
            background: var(--brand-cyan);
            border-radius: 50%;
            display: inline-block;
        }

        .tactics-card .card-meta .meta-tag {
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 500;
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.08);
            border-radius: 6px;
        }

        /* ========== 数据指标卡 ========== */
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            text-align: center;
            height: 100%;
        }

        .metric-card:hover {
            border-color: rgba(52, 245, 197, 0.3);
            box-shadow: var(--shadow-card-hover);
        }

        .metric-card .metric-value {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--brand-cyan);
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }

        .metric-card .metric-value.gold {
            color: var(--brand-gold);
        }

        .metric-card .metric-value.red {
            color: var(--brand-red);
        }

        .metric-card .metric-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }

        .metric-card .metric-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .metric-card .metric-trend {
            display: inline-block;
            margin-top: 8px;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-gold);
            background: rgba(217, 179, 108, 0.1);
            border-radius: 6px;
        }

        /* ========== 装备参数表格 ========== */
        .equipment-table-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .equipment-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .equipment-table thead th {
            background: rgba(255, 255, 255, 0.04);
            padding: 16px 20px;
            text-align: left;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 13px;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--border-subtle);
            white-space: nowrap;
        }

        .equipment-table tbody td {
            padding: 14px 20px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-subtle);
            vertical-align: middle;
        }

        .equipment-table tbody tr:last-child td {
            border-bottom: none;
        }

        .equipment-table tbody tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        .equipment-table .param-value {
            font-family: var(--font-mono);
            color: var(--brand-cyan);
            font-weight: 500;
        }

        .equipment-table .param-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 500;
            color: var(--brand-red);
            background: rgba(230, 50, 74, 0.1);
            border-radius: 6px;
        }

        /* ========== 术语列表 ========== */
        .term-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 18px;
        }

        .term-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition-base);
            cursor: default;
        }

        .term-item:hover {
            border-color: rgba(230, 50, 74, 0.25);
            background: rgba(230, 50, 74, 0.03);
        }

        .term-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--brand-gold);
            letter-spacing: 0.02em;
        }

        .term-item p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ========== CTA 表单 ========== */
        .cta-section-block {
            padding: var(--section-pad);
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.12) 0%, rgba(52, 245, 197, 0.06) 50%, rgba(14, 14, 18, 0) 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-panel .cta-info h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 12px;
            color: var(--text-primary);
        }

        .cta-panel .cta-info h2 .highlight {
            color: var(--brand-red);
        }

        .cta-panel .cta-info p {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cta-form .form-input {
            width: 100%;
            padding: 14px 18px;
            font-size: 15px;
            color: var(--text-primary);
            background: rgba(14, 14, 18, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            outline: none;
        }

        .cta-form .form-input::placeholder {
            color: var(--text-muted);
        }

        .cta-form .form-input:focus {
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(52, 245, 197, 0.1);
        }

        .cta-form .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 15px 24px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(120deg, var(--brand-red) 0%, #b81f35 100%);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .cta-form .btn-primary:hover {
            background: linear-gradient(120deg, var(--brand-red-hover) 0%, #d42a44 100%);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 50, 74, 0.3);
        }

        .cta-form .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(230, 50, 74, 0.2);
        }

        .cta-form .form-note {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== 按钮通用 ========== */
        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 22px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-primary {
            color: #fff;
            background: linear-gradient(120deg, var(--brand-red) 0%, #b81f35 100%);
            border: none;
        }

        .btn-primary:hover {
            color: #fff;
            background: linear-gradient(120deg, var(--brand-red-hover) 0%, #d42a44 100%);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 50, 74, 0.3);
        }

        .btn-secondary {
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-hover);
        }

        .btn-secondary:hover {
            color: var(--brand-cyan);
            border-color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.04);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0A0A0E;
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 10px;
        }

        .site-footer .footer-brand h3 .highlight {
            color: var(--brand-red);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
            max-width: 300px;
        }

        .site-footer .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
            letter-spacing: 0.04em;
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }

        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

        .site-footer .footer-col ul li a:hover {
            color: var(--brand-cyan);
        }

        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom .sep {
            margin: 0 8px;
            color: var(--text-muted);
        }

        .site-footer .footer-bottom .footer-links a {
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

        .site-footer .footer-bottom .footer-links a:hover {
            color: var(--brand-cyan);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .section-block {
                padding: 60px 0;
            }

            .cta-section-block {
                padding: 60px 0;
            }

            .site-header .grid-container {
                padding: 0 20px;
            }

            .cta-panel {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 30px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 24px;
            }

            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 820px) {
            .nav-center {
                display: none;
            }

            .desktop-only {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .mobile-menu.is-open {
                display: flex;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .category-hero {
                max-height: none;
                padding: 24px 0 28px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-subtitle {
                font-size: 15px;
            }
        }

        @media (max-width: 640px) {
            body {
                font-size: 15px;
                line-height: 1.65;
            }

            .grid-container {
                padding: 0 16px;
            }

            .section-block {
                padding: 48px 0;
            }

            .cta-section-block {
                padding: 48px 0;
            }

            .site-header {
                padding: 10px 0;
            }

            .logo-text {
                font-size: 18px;
            }

            .breadcrumb-nav {
                font-size: 13px;
                padding-top: 16px;
            }

            .category-hero {
                padding: 20px 0 24px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .section-header {
                margin-bottom: 24px;
            }

            .section-header h2 {
                font-size: 20px;
            }

            .tactics-card .card-content {
                padding: 16px 16px 18px;
            }

            .tactics-card .card-content h3 {
                font-size: 16px;
            }

            .metric-card .metric-value {
                font-size: 28px;
            }

            .term-list {
                grid-template-columns: 1fr;
            }

            .cta-panel {
                padding: 22px;
                border-radius: var(--radius-lg);
            }

            .equipment-table thead th,
            .equipment-table tbody td {
                padding: 10px 12px;
                font-size: 12px;
            }

            .equipment-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .equipment-table {
                min-width: 560px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .btn-primary,
            .btn-secondary,
            .cta-form .btn-primary {
                width: 100%;
                justify-content: center;
            }

            .metric-card {
                padding: 16px 14px;
            }

            .metric-card .metric-label {
                font-size: 12px;
            }

            .metric-card .metric-desc {
                font-size: 11px;
            }
        }

        @media (max-width: 480px) {
            .category-hero h1 {
                font-size: 22px;
            }

            .category-hero .hero-subtitle {
                font-size: 14px;
            }

            .section-header h2 {
                font-size: 18px;
            }

            .grid-margin-x {
                margin-left: -8px;
                margin-right: -8px;
            }

            .grid-margin-x>.cell {
                padding-left: 8px;
                padding-right: 8px;
            }

            .term-item {
                padding: 16px 18px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0E0E12;
            --bg-secondary: #1A1A22;
            --bg-card: #181820;
            --brand-red: #E6324A;
            --brand-red-hover: #f04a5e;
            --brand-cyan: #34F5C5;
            --brand-gold: #D9B36C;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6B3;
            --text-muted: #6f6f7d;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --radius-xl: 28px;
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 18px 48px rgba(0, 0, 0, 0.5);
            --shadow-hero: 0 20px 60px rgba(230, 50, 74, 0.15);
            --transition-base: 220ms ease-out;
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "SF Mono", "Roboto Mono", "Consolas", "Menlo", monospace;
            --container-max: 1240px;
            --section-pad: 80px 0;
            --section-pad-mobile: 52px 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: linear-gradient(180deg, #0E0E12 0%, #1A1A22 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--text-primary);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .grid-container {
            max-width: var(--container-max);
            padding: 0 24px;
            margin: 0 auto;
        }

        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }

        .grid-margin-x {
            margin-left: -16px;
            margin-right: -16px;
        }

        .grid-margin-x>.cell {
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 14, 18, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-text .logo-highlight {
            color: var(--brand-red);
        }

        .logo-text a {
            color: inherit;
        }

        .logo-text a:hover {
            color: var(--brand-cyan);
        }

        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-center a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-center a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-center a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
            box-shadow: inset 0 0 0 1px rgba(230, 50, 74, 0.25);
        }

        .lang-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
            cursor: default;
            user-select: none;
            flex-shrink: 0;
        }

        .lang-pill:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-toggle .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            margin: 4px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.is-open .bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.is-open .bar:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.is-open .bar:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            background: rgba(14, 14, 18, 0.97);
            border-top: 1px solid var(--border-subtle);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 4px;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 999;
        }

        .mobile-menu.is-open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
        }

        .mobile-lang {
            align-self: flex-start;
            margin-top: 12px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            padding: 32px 0 16px;
            background: transparent;
        }

        .breadcrumb-bar .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: ">";
            color: var(--text-muted);
            font-size: 12px;
            margin: 0 2px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--brand-cyan);
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ========== 窄页头 ========== */
        .page-hero-narrow {
            padding: 24px 0 40px;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(230, 50, 74, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 20%, rgba(52, 245, 197, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
            border-bottom: 1px solid var(--border-subtle);
        }

        .page-hero-narrow h1 {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 14px;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }

        .page-hero-narrow h1 .highlight {
            color: var(--brand-red);
        }

        .page-hero-narrow .hero-sub {
            font-size: 18px;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0;
        }

        .page-hero-narrow .hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 18px;
            flex-wrap: wrap;
        }

        .page-hero-narrow .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .page-hero-narrow .hero-meta i {
            color: var(--brand-cyan);
            font-size: 14px;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: var(--section-pad);
        }

        .section-alt {
            background: rgba(255, 255, 255, 0.02);
        }

        .section-title {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            line-height: 1.35;
            margin: 0 0 10px;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 32px;
            max-width: 680px;
        }

        .highlight {
            color: var(--brand-red);
        }

        .highlight-cyan {
            color: var(--brand-cyan);
        }

        .highlight-gold {
            color: var(--brand-gold);
        }

        /* ========== 卡片通用 ========== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
        }

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #121216;
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease-out;
        }

        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .card-img-wrap .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(14, 14, 18, 0.82);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }

        .card-img-wrap .tag.tag-cyan {
            color: var(--brand-cyan);
            border-color: rgba(52, 245, 197, 0.25);
        }

        .card-img-wrap .tag.tag-red {
            color: var(--brand-red);
            border-color: rgba(230, 50, 74, 0.3);
        }

        .card-body {
            padding: 22px 24px 24px;
        }

        .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 10px;
            color: var(--text-primary);
        }

        .card-body p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0 0 16px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-meta i {
            color: var(--brand-cyan);
            font-size: 13px;
            margin-right: 4px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            line-height: 1.2;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--brand-red) 0%, #B81F3A 100%);
            color: #fff;
            box-shadow: 0 8px 22px rgba(230, 50, 74, 0.28);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--brand-red-hover) 0%, #d43a4f 100%);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 34px rgba(230, 50, 74, 0.38);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(230, 50, 74, 0.22);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-subtle);
            box-shadow: none;
        }

        .btn-secondary:hover {
            color: var(--brand-cyan);
            border-color: rgba(52, 245, 197, 0.4);
            transform: translateY(-2px);
            background: rgba(52, 245, 197, 0.05);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 10px;
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
        }

        .btn-ghost:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-hover);
        }

        .btn:focus-visible {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 2px;
        }

        /* ========== 时间轴 ========== */
        .timeline {
            position: relative;
            padding-left: 32px;
            margin: 0;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(180deg, var(--brand-red) 0%, rgba(230, 50, 74, 0.2) 100%);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 32px 20px;
            margin: 0;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--brand-red);
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 0 3px rgba(230, 50, 74, 0.3);
        }

        .timeline-item.step-cyan::before {
            background: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(52, 245, 197, 0.25);
        }

        .timeline-item.step-gold::before {
            background: var(--brand-gold);
            box-shadow: 0 0 0 3px rgba(217, 179, 108, 0.25);
        }

        .timeline-item h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--text-primary);
        }

        .timeline-item p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        .timeline-item .step-num {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.1);
            border: 1px solid rgba(52, 245, 197, 0.2);
            border-radius: 999px;
            padding: 3px 10px;
            margin-bottom: 8px;
            font-family: var(--font-mono);
        }

        /* ========== 数据徽章 ========== */
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .badge-pill.badge-cyan {
            color: var(--brand-cyan);
            border-color: rgba(52, 245, 197, 0.25);
            background: rgba(52, 245, 197, 0.06);
        }

        .badge-pill.badge-red {
            color: var(--brand-red);
            border-color: rgba(230, 50, 74, 0.3);
            background: rgba(230, 50, 74, 0.08);
        }

        .badge-pill.badge-gold {
            color: var(--brand-gold);
            border-color: rgba(217, 179, 108, 0.3);
            background: rgba(217, 179, 108, 0.06);
        }

        .badge-pill i {
            font-size: 11px;
        }

        /* ========== 课程卡片网格 ========== */
        .course-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .course-card .card-body {
            display: flex;
            flex-direction: column;
        }

        .course-card .card-body p {
            flex-grow: 1;
        }

        .course-info-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px solid var(--border-subtle);
            flex-wrap: wrap;
        }

        .course-price {
            font-size: 20px;
            font-weight: 800;
            color: var(--brand-gold);
            font-family: var(--font-mono);
        }

        .course-price small {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            font-family: var(--font-sans);
        }

        /* ========== 教练资源卡 ========== */
        .coach-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .coach-card .card-img-wrap {
            aspect-ratio: 4 / 3;
        }

        .coach-card .card-body {
            padding: 18px 20px 20px;
        }

        .coach-card h3 {
            font-size: 17px;
            margin-bottom: 4px;
        }

        .coach-card .coach-role {
            font-size: 13px;
            color: var(--brand-cyan);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .coach-card p {
            font-size: 14px;
            margin-bottom: 0;
        }

        /* ========== 学员成果 ========== */
        .achievement-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .achievement-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            padding: 18px 20px;
            transition: all var(--transition-base);
        }

        .achievement-item:hover {
            border-color: var(--border-hover);
            background: rgba(255, 255, 255, 0.05);
        }

        .achievement-item .icon-box {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: rgba(52, 245, 197, 0.08);
            color: var(--brand-cyan);
            border: 1px solid rgba(52, 245, 197, 0.18);
        }

        .achievement-item .icon-box.icon-gold {
            background: rgba(217, 179, 108, 0.08);
            color: var(--brand-gold);
            border-color: rgba(217, 179, 108, 0.18);
        }

        .achievement-item .icon-box.icon-red {
            background: rgba(230, 50, 74, 0.08);
            color: var(--brand-red);
            border-color: rgba(230, 50, 74, 0.2);
        }

        .achievement-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text-primary);
        }

        .achievement-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:last-child {
            margin-bottom: 0;
        }

        .faq-item:hover {
            border-color: var(--border-hover);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition-base);
        }

        .faq-item .faq-question:hover {
            color: var(--brand-cyan);
        }

        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }

        .faq-item.is-open .faq-icon {
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.08);
            border-color: rgba(52, 245, 197, 0.25);
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease-out;
        }

        .faq-item.is-open .faq-answer {
            max-height: 400px;
        }

        .faq-item .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        /* ========== CTA 表单 ========== */
        .cta-panel {
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.14) 0%, rgba(14, 14, 18, 0.9) 45%, rgba(52, 245, 197, 0.06) 100%);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(230, 50, 74, 0.2);
            padding: 44px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(230, 50, 74, 0.12);
            filter: blur(50px);
            pointer-events: none;
        }

        .cta-panel .cta-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .cta-panel h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            margin: 0 0 10px;
            color: var(--text-primary);
        }

        .cta-panel .cta-desc {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0 0 20px;
            line-height: 1.7;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: rgba(14, 14, 18, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 15px;
            transition: all var(--transition-base);
            outline: none;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: rgba(52, 245, 197, 0.5);
            background: rgba(14, 14, 18, 0.85);
            box-shadow: 0 0 0 3px rgba(52, 245, 197, 0.1);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 90px;
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A6A6B3' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0A0A0E;
            border-top: 1px solid var(--border-subtle);
            padding: 52px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            margin: 0 0 10px;
            color: var(--text-primary);
        }

        .footer-brand h3 .highlight {
            color: var(--brand-red);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--brand-cyan);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom .sep {
            margin: 0 10px;
            opacity: 0.4;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 13px;
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--brand-cyan);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-center {
                gap: 2px;
            }
            .nav-center a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .lang-pill {
                font-size: 11px;
                padding: 6px 10px;
            }
            .course-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .coach-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cta-panel .cta-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-mobile);
            }
            .nav-center {
                display: none;
            }
            .desktop-only {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .page-hero-narrow {
                padding: 16px 0 28px;
            }
            .page-hero-narrow h1 {
                font-size: 28px;
            }
            .page-hero-narrow .hero-sub {
                font-size: 16px;
            }
            .course-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .coach-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .achievement-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cta-panel {
                padding: 28px 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .timeline {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -20px;
            }
        }

        @media (max-width: 520px) {
            .grid-container {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 19px;
            }
            .page-hero-narrow h1 {
                font-size: 24px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
                white-space: normal;
            }
            .card-body {
                padding: 16px 18px 18px;
            }
            .card-body h3 {
                font-size: 17px;
            }
            .breadcrumb-bar {
                padding: 20px 0 8px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0E0E12;
            --bg-secondary: #1A1A22;
            --bg-card: #181820;
            --brand-red: #E6324A;
            --brand-red-hover: #f04a5e;
            --brand-cyan: #34F5C5;
            --brand-gold: #D9B36C;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6B3;
            --text-muted: #6f6f7d;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --radius-xl: 28px;
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 18px 48px rgba(0, 0, 0, 0.5);
            --shadow-hero: 0 20px 60px rgba(230, 50, 74, 0.15);
            --transition-base: 220ms ease-out;
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "SF Mono", "Roboto Mono", "Consolas", "Menlo", monospace;
            --container-max: 1240px;
            --section-pad: 80px 0;
            --section-pad-mobile: 52px 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: linear-gradient(180deg, #0E0E12 0%, #1A1A22 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--text-primary);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .grid-container {
            max-width: var(--container-max);
            padding: 0 24px;
        }

        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }

        .grid-margin-x {
            margin-left: -16px;
            margin-right: -16px;
        }

        .grid-margin-x > .cell {
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 14, 18, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-text .logo-highlight {
            color: var(--brand-red);
        }

        .logo-text a {
            color: inherit;
        }

        .logo-text a:hover {
            color: var(--brand-cyan);
        }

        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-center a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-center a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-center a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
            box-shadow: inset 0 0 0 1px rgba(230, 50, 74, 0.25);
        }

        .lang-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
            cursor: default;
            user-select: none;
            flex-shrink: 0;
        }

        .lang-pill:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-toggle .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            margin: 4px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.is-open .bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.is-open .bar:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.is-open .bar:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            width: 100%;
            padding: 16px 24px 20px;
            background: rgba(14, 14, 18, 0.98);
            border-top: 1px solid var(--border-subtle);
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu.is-visible {
            display: flex;
        }

        .mobile-menu a {
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
            box-shadow: inset 0 0 0 1px rgba(230, 50, 74, 0.25);
        }

        .mobile-menu .mobile-lang {
            margin-top: 10px;
            align-self: flex-start;
        }

        .desktop-only {
            display: inline-flex;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--brand-cyan);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--brand-cyan);
            font-weight: 600;
        }

        /* ========== 分类页窄页头 ========== */
        .category-hero {
            padding: 48px 0 40px;
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.08) 0%, rgba(52, 245, 197, 0.04) 100%);
            border-bottom: 1px solid var(--border-subtle);
            min-height: 0;
        }

        .category-hero .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .category-hero .hero-title .highlight {
            color: var(--brand-red);
        }

        .category-hero .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--section-pad);
        }

        .section-alt {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-heading {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-heading .highlight {
            color: var(--brand-red);
        }

        .section-subheading {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        /* ========== 卡片 ========== */
        .tactics-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid var(--border-subtle);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .tactics-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
        }

        .tactics-card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

        .tactics-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease-out;
        }

        .tactics-card:hover .card-img img {
            transform: scale(1.05);
        }

        .tactics-card .card-body {
            padding: 22px 20px 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .tactics-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.12);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .tactics-card .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .tactics-card .card-excerpt {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .tactics-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border-subtle);
        }

        .tactics-card .card-meta .meta-icon {
            color: var(--brand-gold);
        }

        /* ========== 数据指标卡 ========== */
        .metric-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
        }

        .metric-card:hover {
            border-color: rgba(52, 245, 197, 0.3);
            box-shadow: 0 0 0 1px rgba(52, 245, 197, 0.15), var(--shadow-card-hover);
        }

        .metric-number {
            font-family: var(--font-mono);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--brand-cyan);
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .metric-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .metric-card .metric-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--brand-gold);
            background: rgba(217, 179, 108, 0.12);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--brand-red) 0%, #c42035 100%);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--brand-red-hover) 0%, #d42a40 100%);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(230, 50, 74, 0.35);
        }

        .btn-primary:focus {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-hover);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .btn-secondary:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.06);
            transform: translateY(-2px);
        }

        .btn-secondary:focus {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 3px;
        }

        /* ========== 术语列表 ========== */
        .term-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 16px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .term-list li {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            transition: all var(--transition-base);
        }

        .term-list li:hover {
            border-color: rgba(52, 245, 197, 0.25);
            background: rgba(255, 255, 255, 0.04);
        }

        .term-list .term-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--brand-cyan);
            margin-bottom: 8px;
        }

        .term-list .term-def {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== CTA 区 ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.15) 0%, rgba(52, 245, 197, 0.08) 50%, rgba(217, 179, 108, 0.08) 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            border: 1px solid rgba(230, 50, 74, 0.2);
            margin: 0 auto;
        }

        .cta-section .cta-title {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .cta-section .cta-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 560px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .cta-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            color: var(--text-primary);
            font-size: 15px;
            transition: all var(--transition-base);
            outline: none;
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(52, 245, 197, 0.12);
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0B0B0F;
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand h3 .highlight {
            color: var(--brand-red);
        }

        .footer-brand p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--brand-cyan);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--border-hover);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: var(--brand-cyan);
        }

        /* ========== 面板/列表区 ========== */
        .report-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }

        .data-table-panel {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            padding: 28px;
            overflow: hidden;
        }

        .data-table-panel .panel-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .equipment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 24px;
        }

        .equipment-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 20px 22px;
            transition: all var(--transition-base);
        }

        .equipment-item:hover {
            border-color: rgba(217, 179, 108, 0.3);
            background: rgba(255, 255, 255, 0.05);
        }

        .equipment-item .equip-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--brand-gold);
            margin-bottom: 6px;
        }

        .equipment-item .equip-param {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .analysis-panel {
            background: rgba(52, 245, 197, 0.04);
            border: 1px solid rgba(52, 245, 197, 0.15);
            border-radius: var(--radius-md);
            padding: 28px 30px;
            margin-bottom: 20px;
            transition: all var(--transition-base);
        }

        .analysis-panel:hover {
            border-color: rgba(52, 245, 197, 0.3);
        }

        .analysis-panel .analysis-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--brand-cyan);
            margin-bottom: 10px;
        }

        .analysis-panel .analysis-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-center {
                gap: 0;
            }

            .nav-center a {
                padding: 8px 10px;
                font-size: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .report-list {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }

            .category-hero .hero-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .desktop-only {
                display: none !important;
            }

            .nav-toggle {
                display: block;
            }

            .site-header .grid-container {
                flex-wrap: nowrap;
            }

            .nav-center {
                display: none;
            }

            .category-hero {
                padding: 36px 0 32px;
            }

            .category-hero .hero-title {
                font-size: 1.7rem;
            }

            .category-hero .hero-desc {
                font-size: 1rem;
            }

            .section {
                padding: var(--section-pad-mobile);
            }

            .section-heading {
                font-size: 1.4rem;
            }

            .report-list {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .cta-section {
                padding: 36px 24px;
            }

            .cta-section .cta-title {
                font-size: 1.5rem;
            }

            .cta-form {
                flex-direction: column;
            }

            .metric-number {
                font-size: 2.2rem;
            }

            .equipment-grid {
                grid-template-columns: 1fr;
            }

            .term-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .grid-container {
                padding: 0 16px;
            }

            .category-hero .hero-title {
                font-size: 1.45rem;
            }

            .category-hero .hero-desc {
                font-size: 0.95rem;
            }

            .section-heading {
                font-size: 1.25rem;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .tactics-card .card-body {
                padding: 18px 16px 20px;
            }

            .breadcrumb {
                font-size: 13px;
            }

            .metric-card {
                padding: 20px 16px;
            }

            .metric-number {
                font-size: 1.9rem;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0E0E12;
            --bg-secondary: #1A1A22;
            --bg-card: #181820;
            --brand-red: #E6324A;
            --brand-red-hover: #f04a5e;
            --brand-cyan: #34F5C5;
            --brand-gold: #D9B36C;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6B3;
            --text-muted: #6f6f7d;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --radius-xl: 28px;
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 18px 48px rgba(0, 0, 0, 0.5);
            --shadow-hero: 0 20px 60px rgba(230, 50, 74, 0.15);
            --transition-base: 220ms ease-out;
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "SF Mono", "Roboto Mono", "Consolas", "Menlo", monospace;
            --container-max: 1240px;
            --section-pad: 80px 0;
            --section-pad-mobile: 52px 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: linear-gradient(180deg, #0E0E12 0%, #1A1A22 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--text-primary);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .grid-container {
            max-width: var(--container-max);
            padding: 0 24px;
        }
        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }
        .grid-margin-x {
            margin-left: -16px;
            margin-right: -16px;
        }
        .grid-margin-x>.cell {
            padding-left: 16px;
            padding-right: 16px;
        }
        .cell {
            flex: 1 1 0%;
        }
        .small-12 {
            flex: 0 0 100%;
            max-width: 100%;
        }
        .medium-6 {
            flex: 0 0 50%;
            max-width: 50%;
        }
        .medium-4 {
            flex: 0 0 33.333333%;
            max-width: 33.333333%;
        }
        .medium-8 {
            flex: 0 0 66.666667%;
            max-width: 66.666667%;
        }
        .medium-3 {
            flex: 0 0 25%;
            max-width: 25%;
        }
        .large-3 {
            flex: 0 0 25%;
            max-width: 25%;
        }
        .large-4 {
            flex: 0 0 33.333333%;
            max-width: 33.333333%;
        }
        .large-6 {
            flex: 0 0 50%;
            max-width: 50%;
        }
        .large-8 {
            flex: 0 0 66.666667%;
            max-width: 66.666667%;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 14, 18, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .logo-text .logo-highlight {
            color: var(--brand-red);
        }
        .logo-text a {
            color: inherit;
        }
        .logo-text a:hover {
            color: var(--brand-cyan);
        }
        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-center a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-center a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-center a.active {
            color: var(--text-primary);
            background: rgba(230, 50, 74, 0.16);
            box-shadow: inset 0 0 0 1px rgba(230, 50, 74, 0.25);
        }
        .lang-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
            cursor: default;
            user-select: none;
        }
        .lang-pill:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
        }
        .desktop-only {
            display: inline-flex;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-toggle .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            margin: 4px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-toggle.is-open .bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.is-open .bar:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.is-open .bar:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            background: rgba(14, 14, 18, 0.97);
            border-top: 1px solid var(--border-subtle);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu.is-open {
            display: flex;
        }
        .mobile-menu a {
            padding: 10px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all var(--transition-base);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            background: rgba(230, 50, 74, 0.16);
            box-shadow: inset 0 0 0 1px rgba(230, 50, 74, 0.25);
        }
        .mobile-lang {
            margin-top: 8px;
            align-self: flex-start;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: rgba(24, 24, 32, 0.65);
            padding: 14px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .breadcrumb-bar .grid-container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .breadcrumb-bar a:hover {
            color: var(--brand-cyan);
        }
        .breadcrumb-bar span {
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-bar .current {
            color: var(--brand-red);
            font-weight: 500;
        }

        /* ========== 分类页头 ========== */
        .category-hero {
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.08) 0%, rgba(14, 14, 18, 0.95) 50%, rgba(24, 24, 32, 0.92) 100%);
            padding: 44px 0 36px;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(52, 245, 197, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .grid-container {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 10px;
            letter-spacing: 0.01em;
        }
        .category-hero h1 .accent {
            color: var(--brand-red);
        }
        .category-hero .subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.75;
            margin: 0;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--section-pad);
        }
        .section-alt {
            background: rgba(14, 14, 18, 0.55);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 8px;
            letter-spacing: 0.01em;
        }
        .section-title .accent {
            color: var(--brand-red);
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 28px;
            line-height: 1.7;
            max-width: 640px;
        }

        /* ========== 卡片 ========== */
        .community-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .community-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .community-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            background: rgba(52, 245, 197, 0.1);
            color: var(--brand-cyan);
            border: 1px solid rgba(52, 245, 197, 0.2);
            margin-bottom: 12px;
        }
        .community-card .card-tag.hot {
            background: rgba(230, 50, 74, 0.12);
            color: var(--brand-red);
            border-color: rgba(230, 50, 74, 0.25);
        }
        .community-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            line-height: 1.45;
        }
        .community-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 14px;
            line-height: 1.7;
        }
        .community-card .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .community-card .meta .dot {
            width: 4px;
            height: 4px;
            background: var(--brand-red);
            border-radius: 50%;
        }

        /* ========== 数据徽章 ========== */
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            background: rgba(52, 245, 197, 0.08);
            color: var(--brand-cyan);
            border: 1px solid rgba(52, 245, 197, 0.22);
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
        }
        .badge-pill.gold {
            background: rgba(217, 179, 108, 0.1);
            color: var(--brand-gold);
            border-color: rgba(217, 179, 108, 0.25);
        }
        .badge-pill.red {
            background: rgba(230, 50, 74, 0.1);
            color: var(--brand-red);
            border-color: rgba(230, 50, 74, 0.22);
        }

        /* ========== 话题列表 ========== */
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .topic-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            flex-wrap: wrap;
        }
        .topic-item:hover {
            border-color: var(--border-hover);
            background: rgba(24, 24, 32, 0.9);
            transform: translateX(4px);
        }
        .topic-item .topic-avatar {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.4), rgba(52, 245, 197, 0.25));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            border: 1px solid var(--border-hover);
        }
        .topic-item .topic-body {
            flex: 1;
            min-width: 220px;
        }
        .topic-item .topic-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 4px;
        }
        .topic-item .topic-body .topic-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }
        .topic-item .topic-stats {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        /* ========== 活动卡 ========== */
        .activity-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
        }
        .activity-card .activity-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .activity-card .activity-img .overlay-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-block;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            background: rgba(14, 14, 18, 0.8);
            color: var(--brand-gold);
            border: 1px solid rgba(217, 179, 108, 0.4);
            backdrop-filter: blur(4px);
        }
        .activity-card .activity-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .activity-card .activity-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }
        .activity-card .activity-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 14px;
            line-height: 1.7;
            flex: 1;
        }
        .activity-card .activity-body .activity-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* ========== 粉丝创作 ========== */
        .creation-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .creation-item {
            flex: 1 1 220px;
            max-width: 320px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .creation-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .creation-item .creation-img {
            height: 160px;
            background-size: cover;
            background-position: center;
        }
        .creation-item .creation-body {
            padding: 16px;
        }
        .creation-item .creation-body h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }
        .creation-item .creation-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0 0 10px;
        }
        .creation-item .creation-body .creator {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== 投票/话题参与条 ========== */
        .vote-banner {
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.12) 0%, rgba(14, 14, 18, 0.9) 40%, rgba(24, 24, 32, 0.94) 100%);
            border: 1px solid rgba(230, 50, 74, 0.25);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-hero);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .vote-banner .vote-text {
            flex: 1;
            min-width: 260px;
        }
        .vote-banner .vote-text h4 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 8px;
        }
        .vote-banner .vote-text p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
        }
        .vote-options {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .vote-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .vote-btn:hover {
            border-color: rgba(230, 50, 74, 0.5);
            background: rgba(230, 50, 74, 0.15);
            color: var(--text-primary);
        }
        .vote-btn.selected {
            border-color: var(--brand-red);
            background: rgba(230, 50, 74, 0.22);
            color: var(--text-primary);
            box-shadow: 0 0 0 1px rgba(230, 50, 74, 0.35);
        }

        /* ========== 会员福利 ========== */
        .benefit-list {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .benefit-item {
            flex: 1 1 240px;
            max-width: 280px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .benefit-item:hover {
            border-color: rgba(217, 179, 108, 0.35);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .benefit-item .benefit-icon {
            font-size: 28px;
            margin-bottom: 10px;
            display: block;
        }
        .benefit-item h5 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }
        .benefit-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(230, 50, 74, 0.2) 0%, rgba(14, 14, 18, 0.9) 35%, rgba(24, 24, 32, 0.95) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            border: 1px solid rgba(230, 50, 74, 0.25);
            box-shadow: var(--shadow-hero);
            text-align: center;
        }
        .cta-section h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 12px;
        }
        .cta-section p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto 24px;
            line-height: 1.75;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--brand-red) 0%, #c91f3a 100%);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 8px 24px rgba(230, 50, 74, 0.3);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--brand-red-hover) 0%, #d6304c 100%);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(230, 50, 74, 0.45);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
            background: rgba(52, 245, 197, 0.06);
        }

        /* ========== 表单 ========== */
        .form-group {
            margin-bottom: 16px;
        }
        .form-input {
            width: 100%;
            padding: 13px 16px;
            font-size: 15px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(14, 14, 18, 0.7);
            color: var(--text-primary);
            transition: all var(--transition-base);
            outline: none;
        }
        .form-input::placeholder {
            color: var(--text-muted);
        }
        .form-input:focus {
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(52, 245, 197, 0.15);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: rgba(14, 14, 18, 0.95);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: 20px;
        }
        .site-footer .footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            flex: 1 1 260px;
            max-width: 320px;
        }
        .site-footer .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 10px;
        }
        .site-footer .footer-brand h3 .highlight {
            color: var(--brand-red);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }
        .site-footer .footer-col {
            flex: 1 1 140px;
            max-width: 200px;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--brand-cyan);
        }
        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 13px;
            color: var(--text-muted);
        }
        .site-footer .footer-bottom .sep {
            margin: 0 8px;
            opacity: 0.5;
        }
        .site-footer .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .site-footer .footer-bottom a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--brand-cyan);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .desktop-only {
                display: none !important;
            }
            .nav-center {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .section {
                padding: var(--section-pad-mobile);
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .medium-4,
            .large-4 {
                flex: 0 0 50%;
                max-width: 50%;
            }
            .medium-3,
            .large-3 {
                flex: 0 0 50%;
                max-width: 50%;
            }
            .medium-8,
            .large-8 {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .benefit-item {
                flex: 1 1 200px;
                max-width: calc(50% - 8px);
            }
            .creation-item {
                flex: 1 1 200px;
                max-width: calc(50% - 10px);
            }
        }
        @media (max-width: 640px) {
            .grid-container {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .subtitle {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .medium-4,
            .large-4,
            .medium-3,
            .large-3,
            .medium-6,
            .large-6 {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .topic-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px 16px;
            }
            .topic-item .topic-stats {
                width: 100%;
                justify-content: flex-start;
                flex-wrap: wrap;
            }
            .vote-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 22px 18px;
            }
            .vote-options {
                width: 100%;
                justify-content: flex-start;
            }
            .vote-btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .benefit-item {
                flex: 1 1 100%;
                max-width: 100%;
            }
            .creation-item {
                flex: 1 1 100%;
                max-width: 100%;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 21px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .site-footer .footer-grid {
                flex-direction: column;
                gap: 20px;
            }
            .site-footer .footer-brand,
            .site-footer .footer-col {
                max-width: 100%;
                flex: 1 1 100%;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .site-footer .footer-bottom .footer-links {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 768px) {
            .grid-margin-x {
                margin-left: -10px;
                margin-right: -10px;
            }
            .grid-margin-x>.cell {
                padding-left: 10px;
                padding-right: 10px;
            }
        }