/* roulang page: index */
:root {
            --bg-deep: #0A0E17;
            --bg-card: rgba(255, 255, 255, 0.03);
            --brand-cyan: #00F0FF;
            --brand-cyan-bright: #33F4FF;
            --accent-pink: #FF3A6F;
            --success-green: #00E676;
            --text-white: #E0E6F0;
            --text-muted: #8892A4;
            --text-body: #B0B8CA;
            --border-glass: rgba(0, 240, 255, 0.15);
            --border-glass-hover: rgba(0, 240, 255, 0.5);
            --glow-cyan: 0 0 16px rgba(0, 240, 255, 0.5);
            --glow-cyan-lg: 0 0 24px rgba(0, 240, 255, 0.6);
            --glow-pink: 0 0 20px rgba(255, 58, 111, 0.55);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 16px 40px rgba(0, 240, 255, 0.12);
            --font-h1: 700 48px/56px 'Inter', 'HarmonyOS Sans', 'PingFang SC', system-ui, sans-serif;
            --font-h2: 600 34px/42px 'Inter', 'HarmonyOS Sans', 'PingFang SC', system-ui, sans-serif;
            --font-h3: 600 22px/28px 'Inter', 'HarmonyOS Sans', 'PingFang SC', system-ui, sans-serif;
            --font-body: 400 16px/26px 'Inter', 'HarmonyOS Sans', 'PingFang SC', system-ui, sans-serif;
            --font-btn: 600 16px 'Inter', 'HarmonyOS Sans', 'PingFang SC', system-ui, sans-serif;
            --container-max: 1280px;
            --section-gap: 100px;
            --section-gap-mobile: 60px;
            --card-gap: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-body);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--brand-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font: var(--font-btn);
            border: none;
            outline: none;
            transition: all 0.3s ease;
        }
        input {
            font: var(--font-body);
            outline: none;
            transition: all 0.3s ease;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
        }

        /* 玻璃拟态卡片 */
        .glass-card {
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
            transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 120px;
            height: 60px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
            border-radius: inherit;
            pointer-events: none;
            z-index: 1;
        }
        .glass-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .glass-card>* {
            position: relative;
            z-index: 2;
        }

        /* 发光按钮 - 实心 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-cyan);
            color: #0A0E17;
            border-radius: var(--radius-md);
            padding: 14px 28px;
            font-weight: 600;
            font-size: 16px;
            box-shadow: var(--glow-cyan);
            transition: all 0.3s ease;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            background: var(--brand-cyan-bright);
            box-shadow: var(--glow-cyan-lg);
            transform: translateY(-2px);
            color: #0A0E17;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.35);
        }

        /* 幽灵按钮 */
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-cyan);
            border: 1px solid var(--brand-cyan);
            border-radius: var(--radius-md);
            padding: 14px 28px;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-ghost:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
            color: var(--brand-cyan);
        }

        /* 电光粉悬浮球按钮 */
        .btn-float-pink {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent-pink);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            box-shadow: var(--glow-pink);
            transition: all 0.3s ease;
            position: relative;
            z-index: 10;
            letter-spacing: 0.03em;
        }
        .btn-float-pink:hover {
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(255, 58, 111, 0.7);
            color: #fff;
        }
        .btn-float-pink:active {
            transform: scale(0.95);
        }

        /* 脉冲绿点 */
        .pulse-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--success-green);
            position: relative;
            flex-shrink: 0;
        }
        .pulse-dot::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.35);
            animation: pulse-ring 2s ease-out infinite;
        }
        @keyframes pulse-ring {
            0% {
                transform: scale(0.6);
                opacity: 1;
            }
            100% {
                transform: scale(2.4);
                opacity: 0;
            }
        }

        /* 导航 */
        #topnav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 16px 0;
            transition: all 0.35s ease;
            background: transparent;
        }
        #topnav.scrolled {
            background: rgba(10, 14, 23, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            padding: 10px 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        #topnav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        #topnav .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            text-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
            white-space: nowrap;
            transition: text-shadow 0.3s ease;
            cursor: pointer;
        }
        #topnav .logo-text:hover {
            text-shadow: 0 0 28px rgba(0, 240, 255, 0.75);
            color: #fff;
        }
        #topnav .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        #topnav .nav-links a {
            color: #B0B8CA;
            font-weight: 500;
            font-size: 15px;
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }
        #topnav .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand-cyan);
            border-radius: 1px;
            transition: width 0.3s ease;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
        }
        #topnav .nav-links a:hover {
            color: #fff;
        }
        #topnav .nav-links a:hover::after {
            width: 100%;
        }
        #topnav .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        @media (max-width: 767px) {
            #topnav .nav-inner {
                padding: 0 16px;
            }
            #topnav .nav-links {
                display: none;
            }
            #topnav .nav-cta .btn-primary {
                padding: 10px 18px;
                font-size: 14px;
                border-radius: 10px;
            }
            #topnav .logo-text {
                font-size: 18px;
            }
        }
        @media (min-width: 768px) and (max-width: 1023px) {
            #topnav .nav-links {
                gap: 16px;
            }
            #topnav .nav-links a {
                font-size: 14px;
            }
            #topnav .nav-cta .btn-primary {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

        /* 移动端底部导航 */
        #mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: 8px 16px 12px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
        }
        #mobile-bottom-nav .mbn-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            max-width: 500px;
            margin: 0 auto;
            position: relative;
        }
        #mobile-bottom-nav .mbn-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: #8892A4;
            font-size: 11px;
            font-weight: 500;
            transition: color 0.25s ease;
            cursor: pointer;
            text-decoration: none;
        }
        #mobile-bottom-nav .mbn-item i {
            font-size: 18px;
            transition: color 0.25s ease;
        }
        #mobile-bottom-nav .mbn-item:hover,
        #mobile-bottom-nav .mbn-item.active {
            color: var(--brand-cyan);
        }
        #mobile-bottom-nav .mbn-float {
            position: relative;
            top: -18px;
        }
        @media (max-width: 767px) {
            #mobile-bottom-nav {
                display: block;
            }
            body {
                padding-bottom: 90px;
            }
        }

        /* Hero */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: 80px;
            padding-bottom: 40px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        #hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(10, 14, 23, 0.55) 0%, rgba(10, 14, 23, 0.9) 70%, #0A0E17 100%);
            z-index: 1;
        }
        #hero .hero-particle {
            position: absolute;
            border-radius: 50%;
            background: var(--brand-cyan);
            opacity: 0;
            pointer-events: none;
            z-index: 2;
            animation: float-particle 6s ease-in-out infinite;
        }
        #hero .hero-particle:nth-child(1) {
            width: 4px;
            height: 4px;
            top: 20%;
            left: 15%;
            animation-delay: 0s;
            animation-duration: 7s;
        }
        #hero .hero-particle:nth-child(2) {
            width: 3px;
            height: 3px;
            top: 55%;
            left: 70%;
            animation-delay: 1.5s;
            animation-duration: 8s;
        }
        #hero .hero-particle:nth-child(3) {
            width: 5px;
            height: 5px;
            top: 30%;
            left: 50%;
            animation-delay: 3s;
            animation-duration: 6.5s;
        }
        #hero .hero-particle:nth-child(4) {
            width: 3px;
            height: 3px;
            top: 65%;
            left: 25%;
            animation-delay: 4.5s;
            animation-duration: 7.5s;
        }
        #hero .hero-particle:nth-child(5) {
            width: 4px;
            height: 4px;
            top: 40%;
            left: 80%;
            animation-delay: 2s;
            animation-duration: 9s;
        }
        @keyframes float-particle {
            0%,
            100% {
                opacity: 0;
                transform: translateY(0) scale(0.6);
            }
            25% {
                opacity: 0.7;
                transform: translateY(-40px) scale(1.3);
            }
            50% {
                opacity: 0.3;
                transform: translateY(-70px) scale(0.8);
            }
            75% {
                opacity: 0.6;
                transform: translateY(-20px) scale(1.1);
            }
        }
        #hero .container {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            width: 100%;
        }
        #hero .hero-content h1 {
            font: var(--font-h1);
            color: #FFFFFF;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        #hero .hero-content h1 .highlight {
            color: var(--brand-cyan);
            text-shadow: 0 0 28px rgba(0, 240, 255, 0.45);
        }
        #hero .hero-content .hero-subtitle {
            font-size: 18px;
            line-height: 28px;
            color: #B0B8CA;
            margin-bottom: 32px;
            max-width: 480px;
        }
        #hero .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        #hero .hero-data-panel {
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
            display: flex;
            flex-direction: column;
            gap: 18px;
            position: relative;
            overflow: hidden;
        }
        #hero .hero-data-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100px;
            height: 50px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, transparent 100%);
            border-radius: inherit;
            pointer-events: none;
        }
        #hero .hero-data-panel .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        #hero .hero-data-panel .data-label {
            color: #8892A4;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
        }
        #hero .hero-data-panel .data-value {
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            white-space: nowrap;
        }
        #hero .hero-data-panel .data-value.green {
            color: var(--success-green);
        }
        #hero .hero-data-panel .data-live-row {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 14px;
            background: rgba(0, 230, 118, 0.06);
            border-radius: 20px;
            border: 1px solid rgba(0, 230, 118, 0.2);
            width: fit-content;
        }
        #hero .hero-data-panel .data-live-row span {
            color: var(--success-green);
            font-weight: 600;
            font-size: 14px;
        }
        #hero .scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            color: #8892A4;
            font-size: 12px;
            animation: bounce-down 2s ease-in-out infinite;
            cursor: pointer;
        }
        @keyframes bounce-down {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(10px);
            }
        }
        @media (max-width: 1023px) {
            #hero .container {
                grid-template-columns: 1fr;
                gap: 30px;
                text-align: center;
            }
            #hero .hero-content .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            #hero .hero-buttons {
                justify-content: center;
            }
            #hero .hero-data-panel {
                max-width: 400px;
                margin: 0 auto;
            }
            #hero .hero-content h1 {
                font-size: 36px;
                line-height: 44px;
            }
        }
        @media (max-width: 767px) {
            #hero {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 60px;
            }
            #hero .hero-content h1 {
                font-size: 28px;
                line-height: 36px;
            }
            #hero .hero-content .hero-subtitle {
                font-size: 15px;
                line-height: 24px;
            }
            #hero .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            #hero .hero-data-panel {
                padding: 20px 16px;
            }
            #hero .scroll-indicator {
                bottom: 15px;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-cyan);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
            padding: 6px 14px;
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.04);
        }
        .section-block .section-title {
            font: var(--font-h2);
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .section-block .section-desc {
            color: #8892A4;
            font-size: 17px;
            line-height: 28px;
            max-width: 600px;
        }
        @media (max-width: 767px) {
            .section-block {
                padding: var(--section-gap-mobile) 0;
            }
            .section-block .section-title {
                font-size: 26px;
                line-height: 34px;
            }
            .section-block .section-desc {
                font-size: 15px;
                line-height: 24px;
            }
        }

        /* 核心优势交错布局 */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 60px;
        }
        .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-row.reverse {
            direction: rtl;
        }
        .feature-row.reverse .feature-text {
            direction: ltr;
        }
        .feature-row .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .feature-row .feature-img img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .feature-row .feature-img::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: inherit;
            border: 1px solid rgba(0, 240, 255, 0.1);
            pointer-events: none;
            box-shadow: inset 0 0 30px rgba(0, 240, 255, 0.04);
        }
        .feature-row .feature-text h3 {
            font: var(--font-h3);
            color: #E0E6F0;
            margin-bottom: 12px;
        }
        .feature-row .feature-text p {
            color: #B0B8CA;
            line-height: 26px;
            margin-bottom: 16px;
        }
        .feature-row .feature-text .feature-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-cyan);
            border: 1px solid rgba(0, 240, 255, 0.35);
            border-radius: 14px;
            padding: 4px 12px;
            letter-spacing: 0.04em;
        }
        @media (max-width: 767px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 40px;
            }
            .feature-row.reverse {
                direction: ltr;
            }
            .feature-row .feature-img img {
                aspect-ratio: 16/9;
            }
        }

        /* 场景2x2网格 */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--card-gap);
        }
        .scenario-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.02);
            transition: all 0.35s ease;
            cursor: pointer;
        }
        .scenario-card:hover {
            border-color: var(--border-glass-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .scenario-card .sc-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }
        .scenario-card .sc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scenario-card:hover .sc-img img {
            transform: scale(1.04);
        }
        .scenario-card .sc-img .sc-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 14, 23, 0.85) 0%, transparent 55%);
            pointer-events: none;
        }
        .scenario-card .sc-info {
            padding: 20px 20px 24px;
            position: relative;
        }
        .scenario-card .sc-info h4 {
            font: var(--font-h3);
            color: #E0E6F0;
            margin-bottom: 8px;
            font-size: 20px;
            line-height: 26px;
        }
        .scenario-card .sc-info p {
            color: #8892A4;
            font-size: 14px;
            line-height: 22px;
        }
        @media (max-width: 767px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 数据看板 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }
        .stat-card {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-glass);
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: 0 8px 28px rgba(0, 240, 255, 0.08);
            transform: translateY(-3px);
        }
        .stat-card .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-num .accent {
            color: var(--brand-cyan);
        }
        .stat-card .stat-label {
            color: #8892A4;
            font-size: 14px;
        }
        @media (max-width: 1023px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-num {
                font-size: 30px;
            }
        }

        /* 流程 */
        .flow-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
            position: relative;
        }
        .flow-step {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .flow-step .step-icon-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
            border: 2px solid rgba(0, 240, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: var(--brand-cyan);
            transition: all 0.3s ease;
        }
        .flow-step:hover .step-icon-circle {
            border-color: var(--brand-cyan);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.35);
            background: rgba(0, 240, 255, 0.14);
        }
        .flow-step h4 {
            font: var(--font-h3);
            color: #E0E6F0;
            margin-bottom: 8px;
            font-size: 18px;
            line-height: 24px;
        }
        .flow-step p {
            color: #8892A4;
            font-size: 14px;
            line-height: 22px;
        }
        .flow-connector {
            display: none;
        }
        @media (min-width: 768px) {
            .flow-row::before {
                content: '';
                position: absolute;
                top: 36px;
                left: 20%;
                right: 20%;
                height: 2px;
                background: linear-gradient(to right, rgba(0, 240, 255, 0.5), rgba(0, 240, 255, 0.08), rgba(0, 240, 255, 0.5));
                z-index: 1;
                border-radius: 1px;
            }
        }
        @media (max-width: 767px) {
            .flow-row {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        /* 价格卡片 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
            align-items: stretch;
        }
        .pricing-card {
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.02);
            transition: all 0.35s ease;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card.featured {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
            background: rgba(0, 240, 255, 0.03);
            transform: scale(1.03);
            z-index: 2;
        }
        .pricing-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-5px);
        }
        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-5px);
        }
        .pricing-card .pricing-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            background: var(--accent-pink);
            padding: 5px 14px;
            border-radius: 14px;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
            box-shadow: 0 0 14px rgba(255, 58, 111, 0.4);
        }
        .pricing-card h4 {
            font: var(--font-h3);
            color: #E0E6F0;
            margin-bottom: 8px;
        }
        .pricing-card .price-num {
            font-size: 42px;
            font-weight: 700;
            color: #fff;
            margin: 12px 0 6px;
        }
        .pricing-card .price-num .currency {
            font-size: 22px;
            font-weight: 500;
            color: #8892A4;
        }
        .pricing-card .price-period {
            color: #8892A4;
            font-size: 13px;
            margin-bottom: 20px;
        }
        .pricing-card .price-features {
            list-style: none;
            text-align: left;
            margin-bottom: 24px;
            flex-grow: 1;
        }
        .pricing-card .price-features li {
            padding: 6px 0;
            color: #B0B8CA;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-card .price-features li i {
            color: var(--success-green);
            font-size: 12px;
            flex-shrink: 0;
        }
        @media (max-width: 1023px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: translateY(-5px);
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.02);
            overflow: hidden;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .faq-item.active {
            border-color: rgba(0, 240, 255, 0.35);
            background: rgba(0, 240, 255, 0.02);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.06);
        }
        .faq-item .faq-header {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 16px;
            color: #E0E6F0;
            transition: color 0.3s ease;
            user-select: none;
        }
        .faq-item.active .faq-header {
            color: var(--brand-cyan);
        }
        .faq-item .faq-header .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--brand-cyan);
            transition: transform 0.35s ease;
        }
        .faq-item.active .faq-header .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: #8892A4;
            font-size: 14px;
            line-height: 23px;
        }
        .faq-item.active .faq-body {
            max-height: 260px;
            padding: 0 22px 18px;
        }

        /* CTA */
        #contact {
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        #contact::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 23, 0.88);
            z-index: 1;
        }
        #contact .container {
            position: relative;
            z-index: 2;
        }
        .cta-form-wrap {
            max-width: 520px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-card);
        }
        .cta-form-wrap input {
            width: 100%;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #E0E6F0;
            font-size: 15px;
            margin-bottom: 14px;
            transition: all 0.3s ease;
        }
        .cta-form-wrap input:focus {
            border-color: var(--brand-cyan);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.2);
            background: rgba(0, 240, 255, 0.03);
        }
        .cta-form-wrap input::placeholder {
            color: #5a6070;
        }
        .cta-form-wrap .btn-primary {
            width: 100%;
            padding: 16px;
            font-size: 17px;
            border-radius: var(--radius-md);
        }

        /* 页脚 */
        #footer {
            background: #070b13;
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            padding: 50px 0 30px;
        }
        #footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 36px;
        }
        #footer .footer-col h5 {
            color: #E0E6F0;
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        #footer .footer-col ul {
            list-style: none;
        }
        #footer .footer-col ul li {
            margin-bottom: 8px;
        }
        #footer .footer-col ul li a {
            color: #8892A4;
            font-size: 13px;
            transition: color 0.25s ease;
            cursor: pointer;
        }
        #footer .footer-col ul li a:hover {
            color: var(--brand-cyan);
        }
        #footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            text-align: center;
            color: #5a6070;
            font-size: 13px;
            letter-spacing: 0.02em;
        }
        #footer .footer-bottom .domain-info {
            color: #8892A4;
            font-weight: 500;
        }
        @media (max-width: 767px) {
            #footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            #footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 成功案例标签 */
        .case-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--brand-cyan);
            letter-spacing: 0.03em;
        }

        /* 辅助类 */
        .text-center {
            text-align: center;
        }
        .mb-12 {
            margin-bottom: 12px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mb-48 {
            margin-bottom: 48px;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }