/* roulang page: index */
:root {
            --primary: #0B3D2E;
            --primary-deep: #072E22;
            --primary-light: #0F5A42;
            --accent: #C8923B;
            --accent-hover: #A6762A;
            --accent-glow: #D9A952;
            --emphasis: #D9412E;
            --emphasis-dark: #B83424;
            --bg-dark: #0F1419;
            --bg-dark-card: #1A1F27;
            --bg-dark-card-hover: #1F252E;
            --bg-light: #F5F3EE;
            --bg-light-alt: #EDEAE3;
            --card-light: #FFFFFF;
            --text-on-dark: #E8E5DE;
            --text-on-dark-muted: #B5B0A6;
            --text-on-light: #1A1D23;
            --text-on-light-muted: #5C5F66;
            --border-light: #E8E5DE;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-dark-active: rgba(200, 146, 59, 0.45);
            --radius-sm: 4px;
            --radius: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-light: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-light-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --shadow-dark: 0 4px 20px rgba(0, 0, 0, 0.25);
            --shadow-dark-hover: 0 10px 36px rgba(0, 0, 0, 0.4);
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-en: "Inter", "SF Pro Display", system-ui, sans-serif;
            --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", monospace;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --max-width: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
            --gap: 24px;
            --transition-fast: 0.18s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.72;
            color: var(--text-on-light);
            background-color: #fff;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
        }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition), height var(--transition);
            display: flex;
            align-items: center;
        }
        .nav.scrolled {
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--border-light);
        }
        .nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-cn);
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.02em;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .nav-logo-icon::after {
            content: '';
            position: absolute;
            top: 2px;
            right: 4px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.85;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-on-light-muted);
            border-radius: var(--radius);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(11, 61, 46, 0.04);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 3px;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border-radius: var(--radius);
            letter-spacing: 0.03em;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(200, 146, 59, 0.35);
            transform: translateY(-1px);
        }
        .nav-cta-btn::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -80%;
            width: 60%;
            height: 200%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transform: skewX(-20deg);
            transition: left 0.6s ease;
        }
        .nav-cta-btn:hover::after {
            left: 120%;
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 28px;
            cursor: pointer;
            z-index: 1001;
            padding: 4px 0;
        }
        .nav-hamburger span {
            display: block;
            height: 2.5px;
            background: var(--text-on-light);
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* 移动端导航覆盖层 */
        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 16px;
            padding: 40px 20px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }
        .nav-mobile-overlay.active {
            display: flex;
            opacity: 1;
            pointer-events: auto;
        }
        .nav-mobile-overlay a {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-on-light);
            padding: 12px 24px;
            border-radius: var(--radius);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .nav-mobile-overlay a:hover {
            color: var(--primary);
            background: rgba(11, 61, 46, 0.05);
        }
        .nav-mobile-overlay .mobile-cta {
            margin-top: 12px;
            padding: 14px 36px;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            background: var(--accent);
            border-radius: var(--radius);
            letter-spacing: 0.04em;
        }

        @media(max-width:767px) {
            .nav-links {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav {
                height: var(--nav-height-mobile);
            }
            html {
                scroll-padding-top: var(--nav-height-mobile);
            }
        }
        @media(min-width:768px) {
            .nav-mobile-overlay {
                display: none !important;
                opacity: 0 !important;
                pointer-events: none !important;
            }
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0B3D2E 0%, #0A2F24 30%, #0F1419 70%, #0F1419 100%);
            overflow: hidden;
            padding-top: var(--nav-height);
            padding-bottom: 60px;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
            mix-blend-mode: soft-light;
        }
        .hero-grid-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }
        .hero-data-particles {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
            overflow: hidden;
        }
        .hero-particle {
            position: absolute;
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--accent-glow);
            opacity: 0;
            animation: particleFloat 6s infinite ease-in-out;
        }
        @keyframes particleFloat {
            0% {
                opacity: 0;
                transform: translateY(0) translateX(0);
            }
            20% {
                opacity: 0.9;
            }
            80% {
                opacity: 0.4;
            }
            100% {
                opacity: 0;
                transform: translateY(-320px) translateX(60px);
            }
        }
        .hero-particle:nth-child(1) {
            left: 10%;
            bottom: 20%;
            animation-delay: 0s;
            animation-duration: 5.5s;
        }
        .hero-particle:nth-child(2) {
            left: 25%;
            bottom: 35%;
            animation-delay: 1.2s;
            animation-duration: 6.8s;
            background: #fff;
            width: 2px;
            height: 2px;
        }
        .hero-particle:nth-child(3) {
            left: 45%;
            bottom: 15%;
            animation-delay: 2.5s;
            animation-duration: 5s;
        }
        .hero-particle:nth-child(4) {
            left: 60%;
            bottom: 40%;
            animation-delay: 0.8s;
            animation-duration: 7.2s;
            background: var(--emphasis);
            width: 4px;
            height: 4px;
        }
        .hero-particle:nth-child(5) {
            left: 75%;
            bottom: 25%;
            animation-delay: 3.2s;
            animation-duration: 5.8s;
        }
        .hero-particle:nth-child(6) {
            left: 85%;
            bottom: 30%;
            animation-delay: 1.8s;
            animation-duration: 6.3s;
            background: #fff;
            width: 2px;
            height: 2px;
        }
        .hero-particle:nth-child(7) {
            left: 30%;
            bottom: 50%;
            animation-delay: 4s;
            animation-duration: 5.2s;
        }
        .hero-particle:nth-child(8) {
            left: 55%;
            bottom: 55%;
            animation-delay: 2s;
            animation-duration: 6.6s;
            background: var(--accent-glow);
            width: 3px;
            height: 3px;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            color: var(--text-on-dark);
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--accent-glow);
            background: rgba(200, 146, 59, 0.12);
            border: 1px solid rgba(200, 146, 59, 0.3);
            border-radius: 20px;
            margin-bottom: 18px;
        }
        .hero h1 {
            font-family: var(--font-cn);
            font-size: 38px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-on-dark);
            margin-bottom: 14px;
        }
        .hero h1 .highlight {
            color: var(--accent-glow);
            position: relative;
        }
        .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text-on-dark-muted);
            margin-bottom: 28px;
            max-width: 460px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border-radius: var(--radius);
            letter-spacing: 0.04em;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(200, 146, 59, 0.4);
            transform: translateY(-2px);
        }
        .btn-primary::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -80%;
            width: 60%;
            height: 200%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
            transform: skewX(-20deg);
            transition: left 0.6s ease;
        }
        .btn-primary:hover::after {
            left: 120%;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 16px;
            font-weight: 600;
            color: var(--accent-glow);
            background: transparent;
            border: 1.5px solid var(--accent);
            border-radius: var(--radius);
            letter-spacing: 0.04em;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(200, 146, 59, 0.3);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible,
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-glow);
            outline-offset: 3px;
        }

        /* Hero 右侧数据面板 */
        .hero-dashboard {
            background: rgba(26, 31, 39, 0.75);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(2px);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            position: relative;
        }
        .hero-dashboard::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--emphasis), var(--accent));
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .hero-dash-item {
            text-align: center;
            padding: 12px 8px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .hero-dash-value {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            line-height: 1;
        }
        .hero-dash-value .pulse-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--emphasis);
            margin-left: 6px;
            animation: pulseDot 1.2s infinite;
            vertical-align: middle;
            position: relative;
            top: -2px;
        }
        @keyframes pulseDot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(217, 65, 46, 0.7);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(217, 65, 46, 0);
            }
        }
        .hero-dash-label {
            font-size: 12px;
            color: var(--text-on-dark-muted);
            margin-top: 4px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .hero-dash-spark {
            grid-column: 1 / -1;
            height: 38px;
            background: rgba(255, 255, 255, 0.02);
            border-radius: var(--radius-sm);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: flex-end;
            padding: 4px;
            gap: 2px;
        }
        .hero-dash-spark .spark-bar {
            flex: 1;
            border-radius: 2px 2px 0 0;
            background: var(--accent);
            opacity: 0.7;
            animation: sparkPulse 1.8s infinite ease-in-out;
            min-width: 3px;
        }
        .hero-dash-spark .spark-bar:nth-child(1) {
            height: 55%;
            animation-delay: 0s;
        }
        .hero-dash-spark .spark-bar:nth-child(2) {
            height: 72%;
            animation-delay: 0.15s;
        }
        .hero-dash-spark .spark-bar:nth-child(3) {
            height: 40%;
            animation-delay: 0.3s;
        }
        .hero-dash-spark .spark-bar:nth-child(4) {
            height: 80%;
            animation-delay: 0.45s;
            background: var(--emphasis);
        }
        .hero-dash-spark .spark-bar:nth-child(5) {
            height: 58%;
            animation-delay: 0.6s;
        }
        .hero-dash-spark .spark-bar:nth-child(6) {
            height: 68%;
            animation-delay: 0.75s;
        }
        .hero-dash-spark .spark-bar:nth-child(7) {
            height: 35%;
            animation-delay: 0.9s;
        }
        .hero-dash-spark .spark-bar:nth-child(8) {
            height: 88%;
            animation-delay: 1.05s;
            background: var(--emphasis);
        }
        .hero-dash-spark .spark-bar:nth-child(9) {
            height: 62%;
            animation-delay: 1.2s;
        }
        .hero-dash-spark .spark-bar:nth-child(10) {
            height: 50%;
            animation-delay: 1.35s;
        }
        .hero-dash-spark .spark-bar:nth-child(11) {
            height: 74%;
            animation-delay: 1.5s;
        }
        .hero-dash-spark .spark-bar:nth-child(12) {
            height: 44%;
            animation-delay: 1.65s;
        }
        @keyframes sparkPulse {
            0%,
            100% {
                opacity: 0.5;
            }
            50% {
                opacity: 0.95;
            }
        }

        /* Hero 底部数据亮点条 */
        .hero-stats-strip {
            position: relative;
            z-index: 2;
            margin-top: -20px;
            display: flex;
            gap: 0;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding: 0 20px;
            flex-wrap: wrap;
        }
        .hero-stats-strip-inner {
            display: flex;
            gap: 0;
            background: rgba(15, 20, 25, 0.85);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-wrap: wrap;
            width: 100%;
        }
        .hero-stat-mini {
            flex: 1;
            min-width: 120px;
            text-align: center;
            padding: 18px 16px;
            border-right: 1px solid var(--border-dark);
            color: var(--text-on-dark);
        }
        .hero-stat-mini:last-child {
            border-right: none;
        }
        .hero-stat-mini .stat-val {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-glow);
            letter-spacing: -0.01em;
        }
        .hero-stat-mini .stat-lbl {
            font-size: 12.5px;
            color: var(--text-on-dark-muted);
            margin-top: 2px;
            letter-spacing: 0.02em;
        }

        @media(max-width:1023px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-dashboard {
                max-width: 440px;
                margin: 0 auto;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero {
                min-height: auto;
                padding-top: calc(var(--nav-height-mobile) + 40px);
                padding-bottom: 50px;
            }
        }
        @media(max-width:767px) {
            .hero h1 {
                font-size: 27px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 18px 14px;
            }
            .hero-dash-value {
                font-size: 22px;
            }
            .hero-stat-mini {
                min-width: 100px;
                padding: 14px 10px;
            }
            .hero-stat-mini .stat-val {
                font-size: 18px;
            }
            .hero-stats-strip-inner {
                border-radius: var(--radius);
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 15px;
            }
        }

        /* ========== 通用区块样式 ========== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section-light {
            background: var(--bg-light);
            color: var(--text-on-light);
        }
        .section h2 {
            font-family: var(--font-cn);
            font-size: 26px;
            font-weight: 600;
            letter-spacing: -0.01em;
            line-height: 1.3;
            text-align: center;
            margin-bottom: 10px;
        }
        .section-subtitle {
            text-align: center;
            font-size: 15.5px;
            color: var(--text-on-light-muted);
            margin-bottom: 40px;
            letter-spacing: 0.01em;
        }
        .section-dark .section-subtitle {
            color: var(--text-on-dark-muted);
        }
        .section-dark h2 {
            color: var(--text-on-dark);
        }
        @media(max-width:767px) {
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section h2 {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 14.5px;
                margin-bottom: 28px;
            }
        }

        /* ========== 指标看板 ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }
        .metric-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-light);
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-light-hover);
            border-color: #d5d0c6;
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
        }
        .metric-card.featured::before {
            background: var(--accent);
            height: 4px;
        }
        .metric-card.emphasis-card::before {
            background: var(--emphasis);
        }
        .metric-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-on-light);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
            transition: color var(--transition);
        }
        .metric-card.featured .metric-value {
            color: var(--accent-hover);
            font-size: 34px;
        }
        .metric-card.emphasis-card .metric-value {
            color: var(--emphasis-dark);
        }
        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .metric-trend.up {
            color: #1B8A4A;
        }
        .metric-trend.down {
            color: var(--emphasis);
        }
        .metric-trend-icon {
            font-size: 16px;
        }
        .metric-label {
            font-size: 13.5px;
            color: var(--text-on-light-muted);
            letter-spacing: 0.02em;
        }
        .metric-sub {
            font-size: 12px;
            color: #999;
            margin-top: 4px;
            letter-spacing: 0.01em;
        }
        @media(max-width:1023px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .metric-value {
                font-size: 28px;
            }
            .metric-card.featured .metric-value {
                font-size: 30px;
            }
        }
        @media(max-width:767px) {
            .metrics-scroll {
                display: flex;
                gap: 14px;
                overflow-x: auto;
                scroll-snap-type: x mandatory;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 8px;
                scrollbar-width: thin;
                scrollbar-color: #ccc transparent;
            }
            .metrics-scroll::-webkit-scrollbar {
                height: 4px;
            }
            .metrics-scroll::-webkit-scrollbar-thumb {
                background: #ccc;
                border-radius: 4px;
            }
            .metric-card {
                flex: 0 0 70vw;
                scroll-snap-align: start;
                min-width: 240px;
            }
            .metrics-grid {
                display: flex;
                gap: 14px;
                overflow-x: auto;
                scroll-snap-type: x mandatory;
                padding-bottom: 8px;
            }
            .metrics-grid>* {
                flex: 0 0 70vw;
                scroll-snap-align: start;
                min-width: 240px;
            }
        }

        /* ========== 服务矩阵 ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
            align-items: start;
        }
        .service-card {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-dark);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-dark-hover);
            border-color: var(--border-dark-active);
        }
        .service-card.featured-service {
            border-color: var(--border-dark-active);
            position: relative;
            z-index: 1;
        }
        .service-card.featured-service::after {
            content: '推荐';
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 3px;
            letter-spacing: 0.05em;
            z-index: 2;
            pointer-events: none;
        }
        .service-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            background: #1a1f27;
        }
        .service-card-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card h3 {
            font-family: var(--font-cn);
            font-size: 19px;
            font-weight: 600;
            color: var(--text-on-dark);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .service-card p {
            font-size: 14.5px;
            color: var(--text-on-dark-muted);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 14px;
        }
        .service-card .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-glow);
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            align-self: flex-start;
            border-bottom: 1.5px solid transparent;
            padding-bottom: 2px;
        }
        .service-card .service-link:hover {
            border-bottom-color: var(--accent-glow);
            gap: 10px;
        }
        @media(max-width:1023px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-card.featured-service {
                grid-column: span 2;
            }
        }
        @media(max-width:767px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card.featured-service {
                grid-column: span 1;
            }
            .service-card-img {
                height: 160px;
            }
        }

        /* ========== 结果对比 ========== */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap);
            max-width: 900px;
            margin: 0 auto;
        }
        .comparison-panel {
            border-radius: var(--radius-md);
            padding: 28px 24px;
            position: relative;
            overflow: hidden;
        }
        .comparison-panel.industry {
            background: #fff;
            border: 1px solid #e0dcd5;
            box-shadow: var(--shadow-light);
        }
        .comparison-panel.manguan {
            background: #fff;
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-light);
        }
        .comparison-panel.manguan::before {
            content: '满贯体育方案';
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 3px;
            letter-spacing: 0.04em;
            z-index: 1;
            pointer-events: none;
        }
        .comparison-panel h3 {
            font-family: var(--font-cn);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
            padding-right: 80px;
        }
        .comparison-panel.industry h3 {
            color: #888;
        }
        .comparison-panel.manguan h3 {
            color: var(--primary);
        }
        .comparison-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .comparison-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14.5px;
            padding: 10px 14px;
            border-radius: var(--radius);
            background: #fafaf8;
        }
        .comparison-panel.manguan .comparison-item {
            background: #f7faf8;
        }
        .comparison-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
        }
        .comparison-icon.check {
            background: #e6f4ec;
            color: #1B8A4A;
        }
        .comparison-icon.cross {
            background: #fde8e5;
            color: #D9412E;
        }
        .comparison-label {
            flex: 1;
            font-weight: 500;
            letter-spacing: 0.01em;
        }
        .comparison-val {
            font-weight: 600;
            font-size: 13.5px;
            color: var(--text-on-light-muted);
            letter-spacing: 0.02em;
            text-align: right;
        }
        .comparison-panel.manguan .comparison-val {
            color: var(--primary);
        }
        @media(max-width:767px) {
            .comparison-wrapper {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .comparison-panel.manguan {
                order: -1;
            }
            .comparison-panel h3 {
                font-size: 16px;
                padding-right: 90px;
            }
            .comparison-item {
                font-size: 13.5px;
                padding: 8px 10px;
                gap: 8px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.active {
            border-color: var(--border-dark-active);
            box-shadow: 0 0 0 4px rgba(200, 146, 59, 0.06);
        }
        .faq-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            gap: 12px;
            transition: background var(--transition-fast);
        }
        .faq-header:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-header h3 {
            font-family: var(--font-cn);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-on-dark);
            letter-spacing: 0.01em;
            flex: 1;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 700;
            font-size: 18px;
            transition: all var(--transition);
            line-height: 1;
        }
        .faq-item.active .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.active .faq-body {
            max-height: 300px;
        }
        .faq-body-inner {
            padding: 0 20px 20px;
            font-size: 15px;
            color: var(--text-on-dark-muted);
            line-height: 1.7;
            letter-spacing: 0.01em;
        }

        /* ========== CTA 转化区 ========== */
        .cta-section {
            background: linear-gradient(180deg, #F5F3EE 0%, #faf9f6 40%, #F5F3EE 100%);
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 0;
            right: 0;
            height: 40px;
            background: linear-gradient(180deg, transparent, #F5F3EE);
            pointer-events: none;
            z-index: 1;
        }
        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            margin-bottom: 8px;
        }
        .cta-inner .cta-sub {
            font-size: 15.5px;
            color: var(--text-on-light-muted);
            margin-bottom: 32px;
            letter-spacing: 0.01em;
        }
        .cta-form {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: flex-end;
        }
        .cta-form .form-group {
            flex: 1;
            min-width: 160px;
            text-align: left;
        }
        .cta-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-on-light-muted);
            margin-bottom: 5px;
            letter-spacing: 0.02em;
        }
        .cta-form input,
        .cta-form textarea {
            width: 100%;
            padding: 12px 14px;
            font-size: 15px;
            border: 1px solid #D1CCC3;
            border-radius: var(--radius);
            background: #fff;
            color: var(--text-on-light);
            transition: all var(--transition-fast);
            outline: none;
            letter-spacing: 0.01em;
            resize: vertical;
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.03);
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(11, 61, 46, 0.08), inset 0 1px 2px rgba(0, 0, 0, 0.03);
        }
        .cta-form textarea {
            min-height: 60px;
        }
        .cta-form .form-group-full {
            flex: 1 1 100%;
            min-width: 100%;
        }
        .btn-submit {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 40px;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            background: var(--accent);
            border-radius: var(--radius);
            letter-spacing: 0.05em;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(200, 146, 59, 0.4);
            transform: translateY(-2px);
        }
        .btn-submit::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -80%;
            width: 60%;
            height: 200%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
            transform: skewX(-20deg);
            transition: left 0.6s ease;
        }
        .btn-submit:hover::after {
            left: 120%;
        }
        .btn-submit:focus-visible {
            outline: 2px solid var(--accent-glow);
            outline-offset: 3px;
        }
        .cta-privacy {
            font-size: 12.5px;
            color: #aaa;
            margin-top: 14px;
            letter-spacing: 0.02em;
        }
        @media(max-width:767px) {
            .cta-form {
                flex-direction: column;
                gap: 12px;
            }
            .cta-form .form-group {
                min-width: 100%;
            }
            .btn-submit {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
            }
        }

        /* ========== 页脚 ========== */
        .footer {
            background: var(--bg-dark);
            color: var(--text-on-dark-muted);
            padding: 48px 0 24px;
            font-size: 14px;
            letter-spacing: 0.01em;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-family: var(--font-cn);
            font-weight: 700;
            font-size: 18px;
            color: var(--text-on-dark);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            font-size: 13.5px;
            line-height: 1.65;
            color: var(--text-on-dark-muted);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-on-dark);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: var(--text-on-dark-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .footer-col a:hover {
            color: var(--accent-glow);
        }
        .footer-contact-item {
            font-size: 13.5px;
            margin-bottom: 6px;
            letter-spacing: 0.01em;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            text-align: center;
            font-size: 12.5px;
            color: #666;
            letter-spacing: 0.02em;
        }
        @media(max-width:767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer-desc {
                max-width: 100%;
                margin: 0 auto;
            }
            .footer-col a {
                text-align: center;
            }
        }

        /* ========== 表单反馈提示 ========== */
        .form-toast {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(120px);
            background: var(--primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2000;
            transition: transform var(--transition);
            font-size: 15px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }
        .form-toast.show {
            transform: translateX(-50%) translateY(0);
        }
        .form-toast.success {
            background: #1B8A4A;
        }
        .form-toast.error {
            background: var(--emphasis);
        }

        /* ========== 全局工具类 ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }
        @media(prefers-reduced-motion:reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }