/* roulang page: index */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #111627;
            --bg-card: rgba(255, 255, 255, 0.04);
            --border-card: rgba(255, 255, 255, 0.10);
            --border-hover: rgba(0, 229, 255, 0.40);
            --accent: #00E5FF;
            --accent-green: #2DE3A6;
            --warning: #FF9F43;
            --text-primary: #E2E8F0;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-chip: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 0 0 1px rgba(0, 229, 255, 0.25), 0 12px 40px rgba(0, 229, 255, 0.15);
            --transition: 0.3s ease-out;
            --container-max: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: var(--font-main);
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #00E5FF, #00B4D8);
            color: #0A0E1A;
            box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(0, 229, 255, 0.65);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.30);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-primary);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.35);
        }
        .btn-text {
            color: var(--accent);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-text i {
            transition: transform var(--transition);
        }
        .btn-text:hover i {
            transform: translateX(4px);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(10, 14, 26, 0.8);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--accent);
            margin-left: 2px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-chip);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-chip:hover {
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-chip.active {
            background: linear-gradient(135deg, #00E5FF, #00B4D8);
            color: #0A0E1A;
            font-weight: 700;
            border-color: transparent;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.35);
        }
        .header-cta {
            flex-shrink: 0;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: calc(100vh - 72px);
            max-height: 900px;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            overflow: hidden;
            background:
                linear-gradient(rgba(10, 14, 26, 0.92), rgba(10, 14, 26, 0.88)),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            left: -100px;
            width: 500px;
            height: 500px;
            background: rgba(0, 229, 255, 0.18);
            border-radius: 50%;
            filter: blur(120px);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: rgba(124, 58, 237, 0.16);
            border-radius: 50%;
            filter: blur(100px);
            pointer-events: none;
        }
        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 64px;
            align-items: center;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            background: rgba(0, 229, 255, 0.10);
            border: 1px solid rgba(0, 229, 255, 0.30);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 54px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .gradient-text {
            background: linear-gradient(90deg, #00E5FF, #2DE3A6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-panel {
            position: relative;
            background: rgba(17, 22, 39, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 20px;
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .hero-panel::before {
            content: '';
            position: absolute;
            top: -6px;
            right: -6px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            opacity: 0.5;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
        }
        .panel-img {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 20px;
            max-height: 220px;
        }
        .panel-img img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .panel-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 20px;
        }
        .metric-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 12px 10px;
            text-align: center;
        }
        .metric-num {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            text-shadow: 0 0 18px rgba(0, 229, 255, 0.4);
        }
        .metric-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .panel-wave {
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            padding: 14px 16px;
            display: flex;
            align-items: flex-end;
            gap: 4px;
            height: 70px;
        }
        .wave-bar {
            flex: 1;
            background: linear-gradient(to top, var(--accent), rgba(0, 229, 255, 0.2));
            border-radius: 2px;
            height: 30%;
            animation: waveBreathe 2s ease-in-out infinite alternate;
        }
        .wave-bar:nth-child(1) { height: 45%; animation-delay: 0s; }
        .wave-bar:nth-child(2) { height: 70%; animation-delay: 0.1s; }
        .wave-bar:nth-child(3) { height: 55%; animation-delay: 0.2s; }
        .wave-bar:nth-child(4) { height: 80%; animation-delay: 0.3s; }
        .wave-bar:nth-child(5) { height: 65%; animation-delay: 0.4s; }
        .wave-bar:nth-child(6) { height: 90%; animation-delay: 0.5s; }
        .wave-bar:nth-child(7) { height: 50%; animation-delay: 0.6s; }
        .wave-bar:nth-child(8) { height: 75%; animation-delay: 0.7s; }
        @keyframes waveBreathe {
            from { opacity: 0.5; }
            to { opacity: 1; }
        }

        /* ===== Section base ===== */
        .section {
            padding: 96px 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-head {
            margin-bottom: 48px;
            max-width: 720px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            position: relative;
            padding-left: 18px;
        }
        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 2px;
            background: linear-gradient(to bottom, var(--accent), var(--accent-green));
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.5);
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            margin-top: 12px;
            line-height: 1.7;
        }

        /* ===== Pain Points ===== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .pain-card {
            position: relative;
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 28px 30px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        .pain-card::before {
            content: '';
            position: absolute;
            top: 16px;
            left: 16px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--warning);
            box-shadow: 0 0 10px rgba(255, 159, 67, 0.6);
        }
        .pain-card:hover {
            border-color: rgba(255, 159, 67, 0.5);
            box-shadow: 0 0 0 1px rgba(255, 159, 67, 0.3), 0 12px 40px rgba(255, 159, 67, 0.1);
            transform: translateY(-2px);
        }
        .pain-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 159, 67, 0.12);
            color: var(--warning);
            font-size: 20px;
            margin-bottom: 16px;
        }
        .pain-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .pain-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== Solution ===== */
        .solution-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: start;
        }
        .solution-list {
            margin-top: 28px;
        }
        .solution-item {
            display: flex;
            gap: 20px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .solution-item:last-child {
            border-bottom: none;
        }
        .solution-num {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            text-shadow: 0 0 16px rgba(0, 229, 255, 0.3);
            min-width: 50px;
            line-height: 1;
        }
        .solution-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .solution-item p {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .solution-cards {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .solution-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .solution-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .solution-card img {
            border-radius: 10px;
            margin-bottom: 16px;
            height: 140px;
            width: 100%;
            object-fit: cover;
        }
        .solution-card h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .solution-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .stats-section {
            position: relative;
            background: var(--bg-secondary);
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 600px;
            height: 400px;
            transform: translate(-50%, -50%);
            background: radial-gradient(ellipse, rgba(0, 229, 255, 0.12), transparent 70%);
            pointer-events: none;
        }
        .stats-grid {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }
        .stat-item {
            padding: 20px 0;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-num {
            font-family: var(--font-num);
            font-size: 56px;
            font-weight: 800;
            color: var(--accent);
            text-shadow: 0 0 24px rgba(0, 229, 255, 0.65);
            line-height: 1.1;
        }
        .stat-label {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 10px;
        }

        /* ===== Testimonials ===== */
        .test-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .test-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .test-card:nth-child(even) {
            transform: translateY(24px);
        }
        .test-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .test-quote {
            font-size: 40px;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 12px;
            opacity: 0.6;
        }
        .test-text {
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .test-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .test-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.3), rgba(45, 227, 166, 0.3));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .test-name {
            font-size: 15px;
            font-weight: 600;
        }
        .test-role {
            font-size: 13px;
            color: var(--text-muted);
        }
        .test-stars {
            margin-left: auto;
            color: #FFB800;
            font-size: 13px;
            letter-spacing: 2px;
        }

        /* ===== News / CMS ===== */
        .news-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 32px;
            align-items: start;
        }
        .news-featured {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: block;
        }
        .news-featured:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .news-featured .thumb {
            overflow: hidden;
            height: 220px;
        }
        .news-featured .thumb img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-featured:hover .thumb img {
            transform: scale(1.03);
        }
        .news-featured .body {
            padding: 24px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            background: rgba(0, 229, 255, 0.10);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .news-featured h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .news-featured p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .news-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-card);
            border-radius: 14px;
            padding: 14px;
            transition: all var(--transition);
        }
        .news-list-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .news-list-item .thumb {
            width: 90px;
            height: 80px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-list-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-list-item .info {
            flex: 1;
            min-width: 0;
        }
        .news-list-item h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-list-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }
        .news-list-item .meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-empty {
            grid-column: 1 / -1;
            background: var(--bg-card);
            border: 1px dashed rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 15px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.active {
            border-color: rgba(0, 229, 255, 0.35);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 56px;
            padding: 0 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            gap: 16px;
            user-select: none;
        }
        .faq-question .q-icon {
            color: var(--accent);
            flex-shrink: 0;
        }
        .faq-question .arrow {
            color: var(--text-secondary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .arrow {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
            border-top: 1px solid rgba(0, 229, 255, 0.2);
            padding-top: 14px;
            margin-top: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 96px 0;
            overflow: hidden;
        }
        .cta-panel {
            position: relative;
            background: rgba(17, 22, 39, 0.7);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 20%;
            width: 300px;
            height: 300px;
            background: rgba(0, 229, 255, 0.25);
            border-radius: 50%;
            filter: blur(80px);
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: 15%;
            width: 250px;
            height: 250px;
            background: rgba(124, 58, 237, 0.25);
            border-radius: 50%;
            filter: blur(70px);
        }
        .cta-panel h2 {
            position: relative;
            font-size: 36px;
            font-weight: 800;
            z-index: 1;
            margin-bottom: 12px;
        }
        .cta-panel p {
            position: relative;
            color: var(--text-secondary);
            font-size: 16px;
            z-index: 1;
            margin-bottom: 32px;
        }
        .cta-panel .btn {
            position: relative;
            z-index: 1;
            animation: glowBreathe 3s ease-in-out infinite;
        }
        @keyframes glowBreathe {
            0%, 100% { box-shadow: 0 0 24px rgba(0, 229, 255, 0.35); }
            50% { box-shadow: 0 0 48px rgba(0, 229, 255, 0.65); }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #070B18;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 14px;
            padding: 6px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Reveal animation ===== */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                gap: 32px;
            }
            .hero h1 {
                font-size: 40px;
            }
            .solution-wrap {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                gap: 20px;
            }
            .stat-num {
                font-size: 42px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .header-inner {
                gap: 10px;
            }
            .main-nav {
                justify-content: flex-start;
                gap: 6px;
            }
            .nav-chip {
                padding: 0 14px;
                font-size: 13px;
                min-height: 40px;
            }
            .header-cta {
                padding: 0 14px;
                min-height: 40px;
                font-size: 13px;
            }
            .hero {
                padding: 90px 0 50px;
                min-height: auto;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-sub {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-panel {
                max-width: 480px;
                margin: 0 auto;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                padding: 16px 0;
            }
            .test-grid {
                grid-template-columns: 1fr;
            }
            .test-card:nth-child(even) {
                transform: none;
            }
            .news-wrap {
                grid-template-columns: 1fr;
            }
            .news-side {
                gap: 12px;
            }
            .cta-panel {
                padding: 40px 24px;
            }
            .cta-panel h2 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 18px;
            }
            .header-cta {
                display: none;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .btn {
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
            }
            .panel-metrics {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .metric-num {
                font-size: 18px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .stat-num {
                font-size: 36px;
            }
            .news-list-item {
                flex-direction: row;
            }
            .news-list-item .thumb {
                width: 72px;
                height: 68px;
            }
            .faq-question {
                font-size: 14px;
                padding: 0 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
                padding-top: 12px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            .reveal {
                opacity: 1;
                transform: none;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #111627;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --border: rgba(255, 255, 255, 0.10);
            --border-hover: rgba(0, 229, 255, 0.40);
            --accent: #00E5FF;
            --accent-deep: #00B4D8;
            --accent-green: #2DE3A6;
            --warning: #FF9F43;
            --text-primary: #E2E8F0;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --radius: 16px;
            --radius-btn: 12px;
            --radius-chip: 999px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 0 0 1px rgba(0, 229, 255, 0.25), 0 12px 40px rgba(0, 229, 255, 0.15);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-num: "Inter", "SF Pro Display", "Roboto Mono", tabular-nums, sans-serif;
            --header-height: 72px;
            --section-gap: 96px;
            --container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            display: block;
            max-width: 100%;
            border-radius: 12px;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        h1, h2, h3, h4 {
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

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

        .section-padding {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .glass-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            border: none;
            line-height: 1;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
            text-decoration: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #062A3A;
            box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
            animation: breathe-glow 3s ease-in-out infinite;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(0, 229, 255, 0.65);
            color: #041E2C;
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.55);
            color: #fff;
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            min-height: 44px;
            padding: 0 8px;
            color: var(--accent);
            font-weight: 600;
            font-size: 15px;
            background: none;
            border: none;
            transition: gap 0.25s ease;
        }

        .btn-text:hover {
            gap: 12px;
            color: #fff;
        }

        .btn-text .arrow {
            font-size: 18px;
            line-height: 1;
        }

        @keyframes breathe-glow {
            0%, 100% {
                box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
            }
            50% {
                box-shadow: 0 0 36px rgba(0, 229, 255, 0.60);
            }
        }

        /* ========== 页头 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 14, 26, 0.8);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            min-height: 44px;
            padding: 0 4px;
            white-space: nowrap;
        }

        .logo span {
            background: linear-gradient(90deg, var(--accent), var(--accent-green));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 40px;
            padding: 0 22px;
            border-radius: var(--radius-chip);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
        }

        .nav-chip:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.28);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-chip.active {
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #062A3A;
            border-color: transparent;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.35);
            font-weight: 700;
        }

        .header-cta {
            min-width: 110px;
            flex-shrink: 0;
        }

        /* ========== 分类 Hero ========== */
        .category-hero {
            position: relative;
            padding-top: calc(var(--header-height) + 64px);
            padding-bottom: 72px;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: linear-gradient(rgba(10, 14, 26, 0.88), rgba(10, 14, 26, 0.92)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            left: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.18), transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.16), transparent 70%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            background: rgba(0, 229, 255, 0.10);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 24px;
        }

        .hero-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 10px var(--accent-green);
        }

        .category-hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.03em;
        }

        .category-hero h1 .brand-highlight {
            background: linear-gradient(90deg, var(--accent), var(--accent-green));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .category-hero .hero-subtitle {
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-secondary);
            font-size: 18px;
            line-height: 1.8;
        }

        /* ========== 时间轴 ========== */
        .timeline-section {
            background: var(--bg-primary);
            padding: 96px 0;
        }

        .section-header {
            max-width: 720px;
            margin-bottom: 64px;
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
            margin-top: 12px;
        }

        .timeline {
            position: relative;
            padding-left: 140px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 92px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(0, 229, 255, 0.6), rgba(45, 227, 166, 0.2));
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 48px;
        }

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

        .timeline-marker {
            position: absolute;
            left: 0;
            top: 24px;
            width: 140px;
            display: flex;
            align-items: flex-start;
            justify-content: flex-end;
            gap: 12px;
        }

        .timeline-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #0A0E1A;
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.7);
            flex-shrink: 0;
            margin-top: 6px;
        }

        .timeline-phase {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            line-height: 1.4;
        }

        .timeline-card {
            position: relative;
            display: flex;
            align-items: stretch;
            gap: 0;
            overflow: hidden;
            padding: 0;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .timeline-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.40);
            box-shadow: var(--shadow-hover);
        }

        .timeline-card .card-thumb {
            width: 240px;
            flex-shrink: 0;
            overflow: hidden;
            min-height: 180px;
            background: var(--bg-secondary);
        }

        .timeline-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }

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

        .timeline-card .card-body {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
            flex: 1;
        }

        .timeline-card .card-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .timeline-card .card-body p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            max-width: 720px;
        }

        /* ========== 荣誉墙 ========== */
        .honor-section {
            background: var(--bg-secondary);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .honor-section::before {
            content: '';
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(0, 229, 255, 0.08), transparent 70%);
            pointer-events: none;
        }

        .honor-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            position: relative;
        }

        .honor-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius);
            padding: 36px 32px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .honor-card::after {
            content: '';
            position: absolute;
            top: -24px;
            right: -24px;
            width: 80px;
            height: 80px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.12), transparent 70%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .honor-card:hover::after {
            opacity: 1;
        }

        .honor-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.35);
            box-shadow: var(--shadow-hover);
        }

        .honor-icon {
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(0, 229, 255, 0.10);
            border: 1px solid rgba(0, 229, 255, 0.20);
            color: var(--accent);
        }

        .honor-icon svg {
            width: 26px;
            height: 26px;
            stroke-width: 1.8;
        }

        .honor-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-top: 4px;
        }

        .honor-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin: 0;
        }

        /* ========== 品牌理念 ========== */
        .philosophy-section {
            padding: 96px 0;
            background: var(--bg-primary);
        }

        .philosophy-inner {
            max-width: 860px;
        }

        .philosophy-inner h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            margin-bottom: 32px;
        }

        .philosophy-inner .philosophy-lead {
            font-size: 22px;
            line-height: 1.6;
            color: var(--text-primary);
            font-weight: 600;
            margin-bottom: 20px;
        }

        .philosophy-inner p {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .philosophy-inner .philosophy-note {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-top: 12px;
            padding: 8px 18px;
            border-radius: var(--radius-chip);
            background: rgba(45, 227, 166, 0.10);
            border: 1px solid rgba(45, 227, 166, 0.20);
            color: var(--accent-green);
            font-size: 14px;
            font-weight: 600;
        }

        /* ========== CTA 条 ========== */
        .cta-section {
            padding: 24px 0 96px;
        }

        .cta-bar {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            padding: 32px 40px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .cta-bar::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.20), transparent 70%);
            pointer-events: none;
        }

        .cta-bar::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: 60px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.18), transparent 70%);
            pointer-events: none;
        }

        .cta-bar .cta-text {
            position: relative;
            z-index: 1;
        }

        .cta-bar .cta-text p {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 2px;
        }

        .cta-bar .cta-text span {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .cta-bar .btn {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #070B18;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 72px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.2fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .logo {
            font-size: 24px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-col a {
            display: block;
            padding: 6px 0;
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

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

        /* ========== 动画 ========== */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
            will-change: opacity, transform;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 72px;
            }

            .timeline {
                padding-left: 100px;
            }

            .timeline::before {
                left: 64px;
            }

            .timeline-marker {
                width: 100px;
            }

            .timeline-card .card-thumb {
                width: 180px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 64px;
            }

            .header-inner {
                gap: 12px;
            }

            .logo {
                font-size: 19px;
                flex-shrink: 0;
            }

            .main-nav {
                justify-content: flex-start;
                overflow-x: auto;
                scrollbar-width: none;
                -webkit-overflow-scrolling: touch;
                flex: 0 1 auto;
                order: 3;
                width: 100%;
            }

            .header-cta {
                min-width: auto;
                padding: 0 16px;
                font-size: 14px;
                flex-shrink: 0;
            }

            .category-hero {
                min-height: 360px;
                padding-top: calc(var(--header-height) + 40px);
                padding-bottom: 48px;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .category-hero .hero-subtitle {
                font-size: 16px;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .timeline {
                padding-left: 76px;
            }

            .timeline::before {
                left: 34px;
            }

            .timeline-marker {
                width: auto;
                left: 0;
                justify-content: flex-start;
            }

            .timeline-dot {
                margin-right: 6px;
            }

            .timeline-phase {
                position: absolute;
                left: 30px;
                top: 8px;
                font-size: 13px;
                white-space: nowrap;
            }

            .timeline-card {
                flex-direction: column;
            }

            .timeline-card .card-thumb {
                width: 100%;
                min-height: 160px;
                max-height: 220px;
            }

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

            .timeline-card .card-body h3 {
                font-size: 19px;
            }

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

            .honor-card {
                padding: 28px 24px;
            }

            .philosophy-inner .philosophy-lead {
                font-size: 18px;
            }

            .cta-bar {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-bar .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding-top: 10px;
                padding-bottom: 10px;
            }

            .site-header {
                height: auto;
            }

            .category-hero {
                padding-top: 120px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

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

            .timeline {
                padding-left: 24px;
            }

            .timeline::before {
                left: 6px;
            }

            .timeline-marker {
                left: 0;
            }

            .timeline-dot {
                width: 10px;
                height: 10px;
                margin-top: 8px;
            }

            .timeline-phase {
                left: 16px;
                top: 4px;
                font-size: 12px;
            }

            .timeline-card .card-thumb {
                min-height: 130px;
            }

            .timeline-card .card-body {
                padding: 20px;
            }

            .timeline-card .card-body h3 {
                font-size: 17px;
            }

            .timeline-card .card-body p {
                font-size: 14px;
            }

            .honor-card h3 {
                font-size: 17px;
            }

            .honor-card p {
                font-size: 14px;
            }

            .philosophy-inner h2 {
                font-size: 24px;
            }

            .cta-bar .cta-text p {
                font-size: 16px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #111627;
            --bg-footer: #070B18;
            --accent: #00E5FF;
            --accent-alt: #2DE3A6;
            --warning: #FF9F43;
            --text-primary: #E2E8F0;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --card-bg: rgba(255, 255, 255, 0.04);
            --card-border: rgba(255, 255, 255, 0.1);
            --card-hover-border: rgba(0, 229, 255, 0.4);
            --radius: 16px;
            --radius-btn: 12px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 40px rgba(0, 229, 255, 0.15);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            padding-top: 72px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s ease-out;
        }
        a:hover {
            color: #7ff0ff;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease-out;
            gap: 8px;
            line-height: 1.2;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #00B4D8);
            color: #081220;
            box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
            animation: breathe 3s ease-in-out infinite;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            color: #081220;
            box-shadow: 0 0 40px rgba(0, 229, 255, 0.65);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.45);
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.45);
            color: var(--text-primary);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent);
            color: var(--accent);
        }
        .btn-text {
            background: none;
            border: none;
            color: var(--accent);
            padding: 0 4px;
            min-height: 40px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
        }
        .btn-text span {
            transition: transform 0.3s ease-out;
        }
        .btn-text:hover span {
            transform: translateX(4px);
        }
        @keyframes breathe {
            0%,
            100% {
                box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
            }
            50% {
                box-shadow: 0 0 38px rgba(0, 229, 255, 0.6);
            }
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 14, 26, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            height: 72px;
            gap: 24px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            display: inline-flex;
            align-items: center;
            gap: 2px;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .logo span {
            color: var(--accent);
            font-weight: 700;
        }
        .logo:hover {
            color: var(--text-primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 42px;
            padding: 0 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: all 0.3s ease-out;
        }
        .nav-chip:hover {
            color: var(--text-primary);
            border-color: rgba(0, 229, 255, 0.4);
            background: rgba(0, 229, 255, 0.06);
        }
        .nav-chip.active {
            background: linear-gradient(135deg, var(--accent), #00B4D8);
            color: #081220;
            font-weight: 700;
            border-color: transparent;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.35);
        }
        .header-cta {
            min-height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }
        .article-main {
            position: relative;
            padding: 48px 0 96px;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(0, 229, 255, 0.08), transparent 40%),
                radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.06), transparent 40%),
                var(--bg-primary);
        }
        .article-container {
            max-width: 860px;
            margin: 0 auto;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease-out;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text-muted);
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-header {
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: clamp(20px, 3.4vw, 32px);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.2px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
        }
        .meta-item svg {
            width: 15px;
            height: 15px;
            stroke: var(--text-muted);
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .meta-tag {
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.2);
            color: var(--accent);
            border-radius: 999px;
            padding: 3px 14px;
            font-size: 13px;
            font-weight: 500;
        }
        .article-excerpt {
            background: rgba(255, 255, 255, 0.04);
            border-left: 3px solid var(--accent);
            border-radius: 12px;
            padding: 20px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }
        .article-content {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 32px;
        }
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
        }
        .article-body > p:first-of-type {
            padding-left: 16px;
            border-left: 3px solid var(--accent);
            font-weight: 500;
            color: var(--text-primary);
        }
        .article-body p {
            margin: 0 0 24px;
            line-height: 1.8;
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 40px 0 16px;
            padding-left: 12px;
            border-left: 4px solid var(--accent);
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 32px 0 12px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            margin: 24px 0;
            background: rgba(0, 229, 255, 0.05);
            border-radius: 0 12px 12px 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 24px;
            padding-left: 24px;
        }
        .article-body li {
            margin: 8px 0;
            line-height: 1.8;
        }
        .article-body img {
            width: 100%;
            border-radius: 12px;
            margin: 24px 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--card-border);
            padding: 12px 16px;
            text-align: left;
        }
        .article-body th {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-weight: 600;
        }
        .article-body td {
            color: var(--text-secondary);
        }
        .article-empty {
            text-align: center;
            padding: 72px 24px;
            background: var(--card-bg);
            border: 1px dashed rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
        }
        .empty-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: rgba(255, 159, 67, 0.1);
            border: 1px solid rgba(255, 159, 67, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--warning);
            font-size: 28px;
            font-weight: 700;
        }
        .article-empty h2 {
            font-size: 22px;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .article-empty p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .article-tag {
            display: inline-flex;
            align-items: center;
            min-height: 32px;
            padding: 0 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            color: var(--text-secondary);
            font-size: 13px;
            transition: all 0.25s ease-out;
        }
        .article-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 229, 255, 0.06);
        }
        .related-section {
            margin-top: 64px;
            padding-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .related-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .related-head h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.3s ease-out;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--card-hover-border);
            box-shadow: var(--shadow-hover);
            background: rgba(255, 255, 255, 0.06);
        }
        .related-card .card-img {
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: transform 0.4s ease-out;
        }
        .related-card:hover .card-img img {
            transform: scale(1.03);
        }
        .related-card-body {
            padding: 16px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card-body h3 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: auto;
        }
        .related-back {
            margin-top: 32px;
            text-align: center;
        }
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .logo {
            font-size: 22px;
            margin-bottom: 16px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-top: 12px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            line-height: 1.4;
            transition: color 0.25s ease-out;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 106px;
            }
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding-top: 12px;
                padding-bottom: 8px;
                gap: 10px;
            }
            .logo {
                font-size: 20px;
            }
            .header-cta {
                margin-left: auto;
                min-height: 38px;
                padding: 0 16px;
                font-size: 13px;
            }
            .main-nav {
                order: 3;
                width: 100%;
                overflow-x: auto;
                display: flex;
                gap: 8px;
                padding: 2px 0 6px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .main-nav::-webkit-scrollbar {
                display: none;
            }
            .nav-chip {
                flex-shrink: 0;
                height: 38px;
                padding: 0 16px;
                font-size: 13px;
            }
            .article-main {
                padding: 32px 0 64px;
            }
            .article-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .breadcrumb {
                margin-bottom: 24px;
            }
            .article-header h1 {
                font-size: 22px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-excerpt {
                padding: 16px 18px;
                font-size: 14px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .breadcrumb .current {
                max-width: 140px;
            }
            .article-meta .meta-item:nth-child(3) {
                display: none;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 18px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #111627;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --border-light: rgba(255, 255, 255, 0.10);
            --border-hover: rgba(0, 229, 255, 0.40);
            --accent: #00E5FF;
            --accent-green: #2DE3A6;
            --accent-orange: #FF9F43;
            --text-main: #E2E8F0;
            --text-muted: #94A3B8;
            --text-weak: #64748B;
            --glass-bg: rgba(17, 22, 39, 0.85);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-chip: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(0, 229, 255, 0.35);
            --shadow-glow-strong: 0 0 40px rgba(0, 229, 255, 0.65);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-num: "Inter", "DIN Alternate", "Bahnschrift", tabular-nums, sans-serif;
            --space-section: 96px;
            --container-w: 1200px;
            --transition: 0.3s ease-out;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(circle at 15% 10%, rgba(0, 229, 255, 0.08), transparent 35%),
                radial-gradient(circle at 90% 90%, rgba(124, 58, 237, 0.08), transparent 40%);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: #fff;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* 玻璃拟态 */
        .glass-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .glass-card:hover {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.25), 0 12px 40px rgba(0, 229, 255, 0.15);
            transform: translateY(-4px);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 14, 26, 0.8);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: 72px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: inline-flex;
            align-items: baseline;
            gap: 4px;
        }

        .logo span {
            background: linear-gradient(90deg, #00E5FF, #2DE3A6);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            padding: 10px 22px;
            border-radius: var(--radius-chip);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            white-space: nowrap;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .nav-chip:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.25);
        }

        .nav-chip.active {
            background: linear-gradient(135deg, #00E5FF, #00B4D8);
            color: #060B14;
            font-weight: 700;
            border-color: transparent;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.35);
        }

        .header-cta {
            flex-shrink: 0;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00E5FF, #00B4D8);
            color: #060B14;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-strong);
            color: #060B14;
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: var(--text-main);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-text {
            padding: 0;
            background: none;
            color: var(--accent);
            font-weight: 600;
            min-height: unset;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-text::after {
            content: "→";
            transition: transform var(--transition);
        }

        .btn-text:hover {
            color: #fff;
        }

        .btn-text:hover::after {
            transform: translateX(4px);
        }

        /* ===== Hero 分类页 ===== */
        .category-hero {
            position: relative;
            padding: 160px 0 80px;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.10), transparent 50%),
                radial-gradient(circle at 85% 20%, rgba(124, 58, 237, 0.15), transparent 45%);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.08);
            filter: blur(80px);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 480px;
            gap: 48px;
            align-items: center;
        }

        .category-hero-info {
            max-width: 640px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            background: rgba(0, 229, 255, 0.10);
            border: 1px solid rgba(0, 229, 255, 0.30);
            color: var(--accent);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .category-hero h1 .gradient {
            background: linear-gradient(90deg, #00E5FF, #2DE3A6);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-hero p {
            color: var(--text-muted);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .category-hero-visual {
            position: relative;
        }

        .hero-visual-card {
            padding: 24px;
            position: relative;
            overflow: hidden;
        }

        .hero-visual-card img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-radius: 12px;
            margin-bottom: 20px;
        }

        .hero-visual-card .decor-circle {
            position: absolute;
            top: -20px;
            right: -20px;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            border: 2px solid rgba(0, 229, 255, 0.35);
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.2);
            animation: pulse-ring 3s ease-in-out infinite;
        }

        .hero-data-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .hero-data-item {
            text-align: center;
            padding: 14px 8px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-data-item strong {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            display: block;
            text-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
        }

        .hero-data-item span {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-top: 2px;
        }

        @keyframes pulse-ring {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.6;
            }
            50% {
                transform: scale(1.1);
                opacity: 1;
            }
        }

        /* ===== 资讯横条列表 ===== */
        .insight-list-section {
            padding: var(--space-section) 0;
            background: var(--bg-primary);
            position: relative;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            position: relative;
            padding-left: 20px;
        }

        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, #00E5FF, #2DE3A6);
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.5);
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 520px;
        }

        .insight-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .insight-row {
            display: grid;
            grid-template-columns: 260px 1fr auto;
            gap: 28px;
            align-items: center;
            padding: 24px;
            overflow: hidden;
        }

        .insight-row:hover {
            transform: translateX(6px);
        }

        .insight-row .thumb {
            border-radius: 10px;
            overflow: hidden;
            height: 150px;
            background: var(--bg-secondary);
        }

        .insight-row .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .insight-row:hover .thumb img {
            transform: scale(1.03);
        }

        .insight-row .content {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .insight-row .tag {
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: var(--radius-chip);
            background: rgba(0, 229, 255, 0.10);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--accent);
            font-size: 12px;
            font-weight: 500;
        }

        .insight-row h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-main);
            transition: color var(--transition);
        }

        .insight-row:hover h3 {
            color: var(--accent);
        }

        .insight-row .summary {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .insight-row .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            color: var(--text-weak);
            font-size: 13px;
        }

        .insight-row .meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-weak);
        }

        .insight-row .arrow-link {
            font-size: 28px;
            color: var(--text-weak);
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            transition: all var(--transition);
        }

        .insight-row:hover .arrow-link {
            color: var(--accent);
            transform: translateX(6px);
        }

        /* ===== 数据洞察 ===== */
        .insight-stats {
            padding: 72px 0;
            background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.10), transparent 70%);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-block {
            text-align: center;
            padding: 24px 12px;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }

        .stat-block:last-child {
            border-right: none;
        }

        .stat-block strong {
            font-family: var(--font-num);
            font-size: 52px;
            font-weight: 800;
            background: linear-gradient(135deg, #00E5FF, #2DE3A6);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 40px rgba(0, 229, 255, 0.35);
            display: block;
            line-height: 1.2;
        }

        .stat-block span {
            display: block;
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 10px;
        }

        /* ===== 深度解读 ===== */
        .deep-dive-section {
            padding: var(--space-section) 0;
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .deep-dive-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-dive-text h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
            position: relative;
            padding-left: 20px;
        }

        .deep-dive-text h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, #00E5FF, #2DE3A6);
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.5);
        }

        .deep-dive-text p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .deep-dive-points {
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .deep-dive-points li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .deep-dive-points .num {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            text-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
            line-height: 1.4;
        }

        .deep-dive-points .text {
            color: var(--text-main);
            font-size: 15px;
        }

        .deep-dive-points .text small {
            display: block;
            color: var(--text-weak);
            font-size: 13px;
            margin-top: 4px;
        }

        .deep-dive-visual {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .deep-card {
            padding: 24px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition);
        }

        .deep-card:hover {
            border-color: rgba(0, 229, 255, 0.3);
            transform: translateY(-3px);
        }

        .deep-card img {
            border-radius: 10px;
            height: 160px;
            width: 100%;
            object-fit: cover;
            margin-bottom: 14px;
        }

        .deep-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .deep-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== CTA 小条 ===== */
        .mini-cta {
            padding: 56px 0;
            background: var(--bg-primary);
        }

        .mini-cta-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 32px 40px;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.12), rgba(124, 58, 237, 0.12));
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .mini-cta-bar h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-main);
        }

        .mini-cta-bar p {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--space-section) 0;
            background: var(--bg-secondary);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            border-radius: var(--radius-card) !important;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.04) !important;
            border: 1px solid var(--border-light) !important;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .faq-item:hover {
            border-color: var(--border-hover) !important;
            transform: none !important;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 0 24px;
            min-height: 56px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-question .icon {
            font-size: 24px;
            color: var(--accent);
            line-height: 1;
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.15);
            border-top: 0 solid var(--accent);
        }

        .faq-item.active .faq-answer {
            max-height: 320px;
            border-top-width: 1px;
        }

        .faq-answer p {
            padding: 18px 24px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        /* ===== 最终 CTA ===== */
        .final-cta {
            padding: 96px 0;
            position: relative;
            overflow: hidden;
            background: var(--bg-primary);
        }

        .final-cta .cta-panel {
            position: relative;
            text-align: center;
            padding: 72px 40px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 24px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            overflow: hidden;
        }

        .final-cta .cta-panel::before {
            content: "";
            position: absolute;
            left: 50%;
            top: -120px;
            width: 400px;
            height: 300px;
            transform: translateX(-50%);
            background: radial-gradient(ellipse, rgba(0, 229, 255, 0.25), transparent 70%);
            pointer-events: none;
        }

        .final-cta .cta-panel::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(124, 58, 237, 0.20), transparent 70%);
            pointer-events: none;
        }

        .final-cta h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .final-cta h2 .gradient {
            background: linear-gradient(90deg, #00E5FF, #2DE3A6);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .final-cta p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 36px;
            position: relative;
            z-index: 1;
        }

        .final-cta .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .final-cta .btn-primary {
            animation: breath-glow 3s ease-in-out infinite;
        }

        @keyframes breath-glow {
            0%,
            100% {
                box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
            }
            50% {
                box-shadow: 0 0 44px rgba(0, 229, 255, 0.65);
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #070B18;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 72px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .logo {
            font-size: 24px;
            margin-bottom: 16px;
            display: inline-flex;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 12px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 18px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 14px;
            padding: 6px 0;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom span {
            color: var(--text-weak);
            font-size: 13px;
        }

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

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

        /* ===== 滚动入场动画 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-hero .container {
                grid-template-columns: 1fr 380px;
                gap: 36px;
            }

            .insight-row {
                grid-template-columns: 200px 1fr;
                gap: 20px;
            }

            .insight-row .arrow-link {
                display: none;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-block:nth-child(2) {
                border-right: none;
            }

            .stat-block:nth-child(1),
            .stat-block:nth-child(2) {
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding-bottom: 32px;
            }

            .stat-block:nth-child(3),
            .stat-block:nth-child(4) {
                padding-top: 32px;
            }

            .deep-dive-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

        @media (max-width: 768px) {
            :root {
                --space-section: 64px;
            }

            .site-header {
                height: 64px;
            }

            .header-inner {
                height: 64px;
                gap: 12px;
            }

            .logo {
                font-size: 20px;
            }

            .header-cta {
                display: none;
            }

            .main-nav {
                gap: 6px;
            }

            .nav-chip {
                padding: 8px 16px;
                font-size: 14px;
                min-height: 40px;
            }

            .category-hero {
                padding: 130px 0 56px;
            }

            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .category-hero h1 {
                font-size: 32px;
            }

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

            .hero-visual-card {
                display: none;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 32px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .section-head p {
                font-size: 14px;
            }

            .insight-row {
                grid-template-columns: 1fr;
                padding: 18px;
            }

            .insight-row .thumb {
                height: 180px;
            }

            .insight-row h3 {
                font-size: 17px;
            }

            .insight-row .summary {
                font-size: 14px;
            }

            .insight-row .meta {
                flex-wrap: wrap;
                gap: 10px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-block strong {
                font-size: 36px;
            }

            .mini-cta-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                padding: 28px;
            }

            .final-cta h2 {
                font-size: 26px;
            }

            .final-cta .cta-panel {
                padding: 48px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .logo {
                font-size: 18px;
            }

            .nav-chip {
                padding: 7px 12px;
                font-size: 13px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .hero-eyebrow {
                font-size: 12px;
            }

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

            .btn {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
            }

            .btn-group {
                flex-direction: column;
                width: 100%;
            }

            .insight-row .thumb {
                height: 140px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-block strong {
                font-size: 28px;
            }

            .stat-block span {
                font-size: 12px;
            }

            .faq-question {
                font-size: 14px;
                padding: 0 16px;
            }

            .faq-answer p {
                padding: 14px 16px;
                font-size: 13px;
            }

            .deep-dive-text h2 {
                font-size: 24px;
            }
        }