/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #FF6B3D;
            --primary-dark: #E8482A;
            --secondary: #0E5C4A;
            --secondary-dark: #0E2E28;
            --gold: #E8B04B;
            --bg-warm: #FBF7F2;
            --bg-light: #FAF6F0;
            --bg-white: #FFFFFF;
            --bg-deep: #0E2E28;
            --text-dark: #241E1A;
            --text-body: #4A423D;
            --text-light: #8C827A;
            --border-light: #EDE5DC;
            --gradient-brand: linear-gradient(120deg, #FF6B3D 0%, #E8482A 45%, #0E5C4A 100%);
            --gradient-card: linear-gradient(135deg, rgba(255, 107, 61, 0.95) 0%, rgba(232, 72, 42, 0.9) 45%, rgba(14, 92, 74, 0.92) 100%);
            --radius-xl: 28px;
            --radius-lg: 24px;
            --radius-md: 20px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(36, 30, 26, 0.06);
            --shadow-hover: 0 12px 32px rgba(36, 30, 26, 0.12);
            --shadow-deep: 0 8px 30px rgba(0, 0, 0, 0.25);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg-warm);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 14px;
            border: none;
            outline: none;
            transition: border .25s, box-shadow .25s, background .25s;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(251, 247, 242, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid transparent;
            transition: background .35s, border-color .35s, box-shadow .35s;
        }
        .site-header.scrolled {
            background: rgba(251, 247, 242, 0.96);
            border-bottom-color: var(--border-light);
            box-shadow: 0 4px 24px rgba(36, 30, 26, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 12px 24px;
            max-width: 1360px;
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 12px rgba(255, 107, 61, 0.3);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .logo-sub {
            font-size: 10px;
            display: block;
            color: var(--text-light);
            font-weight: 500;
            letter-spacing: 2px;
            margin-top: 1px;
        }
        .nav-search {
            flex: 0 0 38%;
            position: relative;
            margin: 0 auto;
        }
        .nav-search .search-ic {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            color: var(--text-light);
            pointer-events: none;
        }
        .nav-search input {
            width: 100%;
            height: 44px;
            border-radius: 22px;
            background: #fff;
            border: 1px solid transparent;
            padding: 0 100px 0 44px;
            font-size: 14px;
            box-shadow: inset 0 2px 6px rgba(36, 30, 26, 0.04);
            color: var(--text-dark);
        }
        .nav-search input::placeholder {
            color: var(--text-light);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 61, 0.15);
            background: #fff;
        }
        .nav-search .search-btn {
            position: absolute;
            right: 4px;
            top: 4px;
            height: 36px;
            padding: 0 20px;
            border-radius: 20px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: transform .2s, box-shadow .2s;
        }
        .nav-search .search-btn:hover {
            transform: scale(1.03);
            box-shadow: 0 4px 16px rgba(255, 107, 61, 0.35);
        }
        .nav-search .search-btn:active {
            transform: scale(0.97);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
            flex-shrink: 0;
        }
        .nav-links a.nav-text {
            font-size: 15px;
            color: var(--text-body);
            font-weight: 500;
            padding: 6px 4px;
            position: relative;
        }
        .nav-links a.nav-text::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width .3s;
        }
        .nav-links a.nav-text:hover::after {
            width: 100%;
        }
        .nav-cta {
            padding: 10px 24px;
            border-radius: 22px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 107, 61, 0.25);
            transition: transform .2s, box-shadow .2s;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 61, 0.35);
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-light);
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-dark);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(120deg, rgba(255, 107, 61, 0.12) 0%, rgba(251, 247, 242, 0.98) 60%, rgba(14, 92, 74, 0.08) 100%);
            overflow: hidden;
            padding: 80px 0 72px;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 107, 61, 0.12) 1px, transparent 1px);
            background-size: 28px 28px;
            pointer-events: none;
        }
        .hero::after {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(14, 92, 74, 0.06);
            top: -120px;
            right: -100px;
            pointer-events: none;
        }
        .hero-grid {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 2;
        }
        .hero-content {
            flex: 1.1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-body);
            font-weight: 500;
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }
        .hero-badge .dot-pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
            animation: pulse 1.8s ease-in-out infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 61, 0.4);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(255, 107, 61, 0);
            }
        }
        .hero h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }
        .hero-sub {
            font-size: 17px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 480px;
        }
        .hero-pain {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 440px;
            padding-left: 14px;
            border-left: 3px solid var(--primary);
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-pill);
            background: var(--gradient-brand);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(255, 107, 61, 0.3);
            transition: transform .25s, box-shadow .25s;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 107, 61, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid var(--border-light);
            color: var(--text-dark);
            font-size: 15px;
            font-weight: 500;
            transition: background .25s, border .25s, transform .25s;
        }
        .btn-outline:hover {
            background: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .hero-trust {
            font-size: 12px;
            color: var(--text-light);
            opacity: 0.75;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-trust .sep {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--text-light);
        }
        .hero-image {
            flex: 0.9;
            position: relative;
        }
        .hero-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }
        .hero-img-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            background-color: #f0e8de;
        }
        .hero-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14, 46, 40, 0.15) 0%, transparent 40%);
        }
        .hero-float-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 20px;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-card);
            z-index: 2;
        }
        .hero-float-badge .f-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .hero-float-badge .f-text {
            font-size: 12px;
            color: var(--text-dark);
            font-weight: 600;
            line-height: 1.3;
        }
        .hero-float-badge .f-text small {
            display: block;
            font-weight: 400;
            font-size: 10px;
            color: var(--text-light);
        }
        .scroll-hint {
            text-align: center;
            margin-top: 40px;
            font-size: 13px;
            color: var(--text-light);
            animation: floatY 2s ease-in-out infinite;
        }
        @keyframes floatY {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(8px);
            }
        }

        /* ===== 步骤过渡条 ===== */
        .steps-section {
            padding: 64px 0;
            background: var(--bg-white);
        }
        .steps-wrap {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            gap: 0;
        }
        .step-item {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(255, 107, 61, 0.25);
        }
        .step-info h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 2px;
        }
        .step-info p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }
        .step-line {
            flex: 0 0 60px;
            height: 1px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            position: relative;
            margin: 0 16px;
        }
        .step-line::after {
            content: "→";
            position: absolute;
            right: -4px;
            top: -10px;
            color: var(--primary);
            font-size: 16px;
        }

        /* ===== 解决方案区 ===== */
        .solutions-section {
            padding: 96px 0;
            background: var(--bg-warm);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(255, 107, 61, 0.08);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 8px;
            letter-spacing: 1px;
        }
        .section-title {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.3;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            max-width: 560px;
            margin-top: 8px;
            line-height: 1.7;
        }
        .section-more {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 0;
        }
        .section-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }
        .grid-solutions {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .card-large {
            grid-column: span 12;
            background: var(--gradient-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-deep);
        }
        .card-large::before {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            top: -80px;
            right: 20%;
        }
        .card-large-content {
            position: relative;
            z-index: 2;
            flex: 1.2;
        }
        .card-large-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .card-large-content ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .card-large-content li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.6;
            opacity: 0.95;
        }
        .card-large-content li svg {
            flex-shrink: 0;
            margin-top: 2px;
        }
        .card-large-stats {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 24px;
            flex-shrink: 0;
        }
        .stat-bubble {
            text-align: center;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
            border-radius: 50%;
            width: 110px;
            height: 110px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .stat-bubble .num {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.1;
        }
        .stat-bubble .label {
            font-size: 12px;
            opacity: 0.8;
            margin-top: 2px;
        }
        .card-small {
            grid-column: span 4;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: transform .3s, box-shadow .3s, border-color .3s;
        }
        .card-small:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 107, 61, 0.3);
        }
        .card-small .c-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 107, 61, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--primary);
        }
        .card-small h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .card-small p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .card-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-top: 14px;
        }
        .card-more:hover {
            gap: 8px;
        }

        /* ===== 成果数据区 ===== */
        .stats-section {
            padding: 96px 0;
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 107, 61, 0.05);
            top: -200px;
            left: -100px;
        }
        .stats-section::after {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            bottom: -100px;
            right: -50px;
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-section .section-title {
            color: #fff;
        }
        .stats-section .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-top: 48px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: background .3s, transform .3s;
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-4px);
        }
        .stat-circle {
            width: 96px;
            height: 96px;
            border-radius: 50%;
            background: var(--gradient-brand);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 8px 32px rgba(255, 107, 61, 0.35);
        }
        .stat-circle .num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }
        .stat-circle .unit {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 2px;
        }
        .stat-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .stat-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.5;
        }
        .stats-quote {
            margin-top: 60px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            font-style: italic;
            letter-spacing: 1px;
        }

        /* ===== 证言区 ===== */
        .testimonials-section {
            padding: 96px 0;
            background: var(--bg-white);
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .t-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 30px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform .3s, box-shadow .3s, border-color .3s;
        }
        .t-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 107, 61, 0.25);
        }
        .t-stars {
            color: var(--gold);
            font-size: 16px;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .t-text {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 18px;
            padding-left: 14px;
            border-left: 2px solid var(--primary);
        }
        .t-footer {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .t-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #f0e6d8, #e0d0c0);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            flex-shrink: 0;
        }
        .t-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .t-meta {
            font-size: 12px;
            color: var(--text-light);
        }
        .t-card-long {
            background: var(--bg-light);
            border-color: transparent;
            display: flex;
            flex-direction: column;
        }
        .t-card-long .t-text {
            font-size: 16px;
            flex: 1;
            border-left: none;
            padding-left: 0;
            padding: 20px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 14px;
            position: relative;
        }
        .t-card-long .t-text::before {
            content: "“";
            position: absolute;
            top: 8px;
            left: 14px;
            font-size: 40px;
            color: var(--primary);
            opacity: 0.3;
            font-family: Georgia, serif;
        }
        .t-col-right {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* ===== CTA区 ===== */
        .cta-section {
            padding: 48px 0 96px;
            background: var(--bg-warm);
        }
        .cta-card {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-deep);
        }
        .cta-card::before {
            content: "";
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            top: -80px;
            left: -40px;
        }
        .cta-card::after {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(14, 46, 40, 0.25);
            bottom: -120px;
            right: -60px;
        }
        .cta-info {
            position: relative;
            z-index: 2;
        }
        .cta-info .mini-tag {
            display: inline-block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }
        .cta-info h2 {
            font-size: clamp(26px, 4vw, 40px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .cta-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            background: #fff;
            color: var(--primary-dark);
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transition: transform .25s, box-shadow .25s;
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }
        .btn-stroke-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            transition: background .25s, border .25s, transform .25s;
        }
        .btn-stroke-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--bg-white);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-light);
            border-radius: 16px;
            margin-bottom: 12px;
            border: 1px solid transparent;
            transition: background .3s, border-color .3s, box-shadow .3s;
        }
        .faq-item.open {
            background: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            min-height: 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 107, 61, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
            transition: transform .3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            padding-top: 4px;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .faq-bottom {
            text-align: center;
            margin-top: 32px;
        }
        .faq-bottom p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .faq-bottom a {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            border-bottom: 1px dashed var(--primary);
            padding-bottom: 2px;
        }
        .faq-bottom a:hover {
            color: var(--primary-dark);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 80px;
            position: relative;
            overflow: hidden;
        }
        .site-footer::before {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 107, 61, 0.04);
            top: -200px;
            right: -100px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
            z-index: 2;
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand .logo-sub {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-top: 14px;
            max-width: 300px;
        }
        .footer-h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color .3s;
        }
        .footer-links a:hover {
            color: var(--gold);
        }
        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-tags a {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            transition: background .3s, color .3s, border .3s;
        }
        .footer-tags a:hover {
            background: rgba(255, 107, 61, 0.2);
            color: #fff;
            border-color: var(--primary);
        }
        .footer-bottom {
            padding: 24px 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            position: relative;
            z-index: 2;
        }
        .footer-copy {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            transition: background .3s, color .3s;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 反馈表单 ===== */
        .feedback-wrap {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .feedback-wrap h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .feedback-wrap .fb-sub {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 18px;
        }
        .feedback-wrap form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-wrap input,
        .feedback-wrap textarea {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid transparent;
            border-radius: 14px;
            padding: 12px 16px;
            color: #fff;
            font-size: 14px;
            transition: border .3s, background .3s;
        }
        .feedback-wrap input::placeholder,
        .feedback-wrap textarea::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .feedback-wrap input:focus,
        .feedback-wrap textarea:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 61, 0.15);
        }
        .feedback-wrap textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-wrap .fb-submit {
            padding: 12px 24px;
            border-radius: 22px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: transform .2s, box-shadow .2s;
        }
        .feedback-wrap .fb-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 61, 0.3);
        }
        .fb-success {
            display: none;
            font-size: 13px;
            color: var(--gold);
            padding: 10px 0 0;
            text-align: center;
        }
        .fb-success.show {
            display: block;
        }

        /* ===== 通用动画 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .5s ease, transform .5s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== Toast ===== */
        .toast-msg {
            position: fixed;
            top: 90px;
            left: 50%;
            transform: translateX(-50%) translateY(-20px);
            background: var(--text-dark);
            color: #fff;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 14px;
            z-index: 9999;
            opacity: 0;
            transition: opacity .3s, transform .3s;
            pointer-events: none;
            box-shadow: var(--shadow-deep);
            white-space: nowrap;
            max-width: 90vw;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .toast-msg.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 16px;
                gap: 12px;
            }
            .logo {
                order: 1;
            }
            .nav-search {
                order: 3;
                flex: 1 1 100%;
                margin-top: 4px;
            }
            .nav-links {
                order: 2;
                margin-left: auto;
            }
            .hero-grid {
                gap: 32px;
            }
            .hero-img-wrap img {
                height: 340px;
            }
            .stat-bubble {
                width: 90px;
                height: 90px;
            }
            .stat-bubble .num {
                font-size: 22px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .card-small {
                grid-column: span 6;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .feedback-wrap {
                grid-column: span 2;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .logo-text {
                font-size: 17px;
            }
            .nav-links {
                gap: 8px;
            }
            .nav-links a.nav-text {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                order: 4;
            }
            .nav-search {
                order: 5;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .hero {
                padding: 48px 0 40px;
            }
            .hero-grid {
                flex-direction: column;
                gap: 28px;
            }
            .hero-content {
                flex: none;
            }
            .hero-image {
                flex: none;
                width: 100%;
            }
            .hero-img-wrap img {
                height: 240px;
            }
            .hero-badge {
                font-size: 12px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
            }
            .steps-wrap {
                flex-direction: column;
                gap: 20px;
                padding: 28px 20px;
            }
            .step-item {
                width: 100%;
            }
            .step-line {
                display: none;
            }
            .grid-solutions {
                grid-template-columns: 1fr;
            }
            .card-large {
                grid-column: span 1;
                flex-direction: column;
                padding: 28px 24px;
            }
            .card-large-stats {
                flex-direction: row;
            }
            .card-small {
                grid-column: span 1;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .t-col-right {
                grid-column: 1;
            }
            .cta-card {
                padding: 40px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-white,
            .btn-stroke-white {
                width: 100%;
                justify-content: center;
            }
            .faq-question {
                font-size: 14px;
                padding: 12px 16px;
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .feedback-wrap {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-float-badge {
                top: 12px;
                right: 12px;
                padding: 8px 14px;
            }
        }
        @media (max-width: 520px) {
            .logo-mark {
                width: 36px;
                height: 36px;
                border-radius: 12px;
                font-size: 17px;
            }
            .logo-text {
                font-size: 15px;
            }
            .nav-cta {
                display: none;
            }
            .nav-links {
                margin-left: 0;
            }
            .nav-search input {
                padding: 0 80px 0 38px;
                height: 40px;
            }
            .nav-search .search-btn {
                height: 32px;
                padding: 0 14px;
                font-size: 12px;
            }
            .card-large {
                padding: 24px 20px;
            }
            .stat-bubble {
                width: 80px;
                height: 80px;
            }
            .stat-bubble .num {
                font-size: 20px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-more {
                margin-top: 0;
            }
            .toast-msg {
                font-size: 12px;
                padding: 10px 20px;
            }
        }

/* roulang page: index */
:root {
    --color-primary: #8E2A4D;
    --color-primary-light: #E86252;
    --color-accent: #F6B042;
    --color-brand-gradient: linear-gradient(135deg, #8E2A4D 0%, #E86252 50%, #F6B042 100%);
    --color-bg: #FAF6F2;
    --color-bg-deep: #1E1518;
    --color-card-bg: #FFFDFB;
    --color-text-main: #221C1E;
    --color-text-sub: #6E6366;
    --color-border: #EDE4DE;
    --color-success: #3F8F5B;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --shadow-card: 0 4px 20px rgba(30,21,24,0.04);
    --shadow-hover: 0 12px 32px rgba(30,21,24,0.08);
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; border: none; cursor: pointer; }
input, textarea { font-family: inherit; outline: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }

/* ============ 按钮 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    font-weight: 600;
    padding: 14px 32px;
    font-size: 1rem;
    line-height: 1.4;
    transition: all 0.3s ease;
    will-change: transform;
}
.btn-primary {
    background: var(--color-brand-gradient);
    color: #fff;
    border: none;
    box-shadow: 0 4px 16px rgba(142,42,77,0.25);
}
.btn-primary:hover {
    filter: brightness(1.08);
    box-shadow: 0 8px 24px rgba(142,42,77,0.35);
    transform: translateY(-2px);
}
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus-visible, .btn-secondary:focus-visible {
    outline: 3px solid rgba(232,98,82,0.45);
    outline-offset: 2px;
}
.btn-secondary {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.7);
    color: #fff;
    padding: 12px 28px;
    border-radius: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.12);
    border-color: #fff;
    transform: translateY(-2px);
}
.btn-secondary:active { transform: scale(0.98); }
.btn-outline {
    background: transparent;
    border: 1.5px solid var(--color-border);
    color: var(--color-text-main);
    padding: 12px 28px;
    border-radius: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}
.btn-outline:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
    background: rgba(232,98,82,0.06);
    transform: translateY(-2px);
}
.btn-outline:active { transform: scale(0.98); }

/* ============ 导航 ============ */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(30,21,24,0.06); }
.header-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    height: 64px;
    padding: 0 24px;
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    font-weight: 900;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    background: var(--color-brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}
.brand-logo svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}
.search-form {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 0 4px 0 16px;
    height: 42px;
    flex: 1;
    max-width: 440px;
    margin: 0 auto;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.search-form:focus-within {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(232,98,82,0.12);
}
.search-form svg { width: 18px; height: 18px; stroke: var(--color-text-sub); flex-shrink: 0; }
.search-form input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0 10px;
    font-size: 0.9rem;
    color: var(--color-text-main);
    min-width: 0;
}
.search-form input::placeholder { color: #a89498; }
.search-form button {
    background: var(--color-brand-gradient);
    color: #fff;
    border-radius: 999px;
    padding: 7px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    transition: filter 0.3s ease;
}
.search-form button:hover { filter: brightness(1.08); }
.header-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}
.header-nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-main);
    position: relative;
    padding: 6px 0;
    transition: color 0.3s ease;
}
.header-nav a::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--color-primary-gradient, var(--color-primary-light));
    transition: width 0.3s ease;
}
.header-nav a:hover, .header-nav a.active {
    color: var(--color-primary);
}
.header-nav a:hover::after, .header-nav a.active::after { width: 100%; }
.header-cta {
    flex-shrink: 0;
}
.header-cta .btn {
    padding: 9px 22px;
    font-size: 0.9rem;
    border-radius: 999px;
}
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    padding: 10px;
    border-radius: 8px;
    flex-shrink: 0;
}
.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-main);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端导航 */
.mobile-nav {
    display: none;
    background: #fff;
    border-top: 1px solid var(--color-border);
    padding: 12px 24px 20px;
    flex-direction: column;
    gap: 4px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
.mobile-nav.open { display: flex; max-height: 320px; padding: 12px 24px 20px; }
.mobile-nav a {
    padding: 12px 8px;
    font-size: 0.95rem;
    color: var(--color-text-main);
    border-radius: 8px;
    transition: background 0.3s ease;
}
.mobile-nav a:hover { background: var(--color-bg); color: var(--color-primary); }
.mobile-nav .btn { margin-top: 8px; }

/* ============ Hero ============ */
.hero {
    position: relative;
    min-height: 640px;
    display: flex;
    align-items: center;
    padding-top: 64px;
    background-color: #241A1E;
    background-image: linear-gradient(115deg, rgba(30,21,24,0.92) 30%, rgba(30,21,24,0.55) 65%, rgba(30,21,24,0.4) 100%), url('/assets/images/backpic/back-1.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
    padding-top: 56px;
    padding-bottom: 72px;
    width: 100%;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(246,176,66,0.18);
    border: 1px solid rgba(246,176,66,0.4);
    color: var(--color-accent);
    border-radius: 999px;
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    display: inline-block;
}
.hero h1 {
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 900;
    line-height: 1.14;
    letter-spacing: -0.02em;
    margin-bottom: 18px;
    color: #fff;
}
.hero h1 .gradient-text {
    background: linear-gradient(135deg, #F6B042, #E86252);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.88);
    max-width: 500px;
    margin-bottom: 32px;
}
.hero-ctas {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}
.hero-ctas .btn-primary {
    font-size: 1rem;
    padding: 15px 36px;
}
.hero-link {
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    border-bottom: 1px dashed rgba(255,255,255,0.4);
    padding-bottom: 2px;
    transition: border-color 0.3s ease, color 0.3s ease;
}
.hero-link:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}
.hero-stats-row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.hero-stat {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 14px;
    padding: 10px 18px;
    backdrop-filter: blur(4px);
}
.hero-stat .num {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}
.hero-stat .label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.75);
}
.hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    aspect-ratio: 4 / 3;
    background-color: #3a2a2e;
}
.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-float-card {
    position: absolute;
    background: rgba(255,255,255,0.95);
    border-radius: 16px;
    padding: 12px 18px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.18);
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(8px);
    animation: floatY 3s ease-in-out infinite;
}
.hero-float-card .fc-num {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
}
.hero-float-card .fc-label {
    font-size: 0.8rem;
    color: var(--color-text-sub);
    line-height: 1.3;
}
.hero-float-card.fc-1 { top: 18px; right: 18px; }
.hero-float-card.fc-2 { bottom: 22px; left: 22px; animation-delay: 1.2s; }
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* ============ 通用区块标题 ============ */
.section-header {
    margin-bottom: 44px;
    max-width: 720px;
}
.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
    color: var(--color-text-main);
}
.section-header .lead {
    font-size: 1.05rem;
    color: var(--color-text-sub);
    line-height: 1.7;
}
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ============ 痛点区 ============ */
.problem-section { background: var(--color-bg); }
.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.problem-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}
.problem-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 0;
    background: var(--color-brand-gradient);
    transition: height 0.3s ease;
}
.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary-light);
}
.problem-card:hover::before { height: 100%; }
.problem-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232,98,82,0.1);
    border-radius: 14px;
    margin-bottom: 20px;
}
.problem-icon svg { width: 24px; height: 24px; stroke: var(--color-primary); }
.problem-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.problem-card p {
    font-size: 0.95rem;
    color: var(--color-text-sub);
    line-height: 1.65;
}

/* ============ 解决方案区 ============ */
.solution-section { background: #fff; }
.solution-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 72px;
}
.solution-item:last-of-type { margin-bottom: 56px; }
.solution-item.reverse .solution-media { order: 2; }
.solution-item.reverse .solution-content { order: 1; }
.solution-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background-color: #f0e8e4;
    box-shadow: var(--shadow-card);
    position: relative;
}
.solution-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.solution-media:hover img { transform: scale(1.03); }
.solution-tag {
    display: inline-block;
    background: rgba(142,42,77,0.08);
    color: var(--color-primary);
    border-radius: 6px;
    padding: 4px 12px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 14px;
}
.solution-item h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}
.solution-item .desc {
    font-size: 1rem;
    color: var(--color-text-sub);
    line-height: 1.7;
    margin-bottom: 20px;
}
.steps-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-top: 16px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    border: 1px solid var(--color-border);
}
.step-item {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    position: relative;
}
.step-item .step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-brand-gradient);
    color: #fff;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    flex-shrink: 0;
}
.step-item .step-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-main);
}
.step-connector {
    width: 48px;
    height: 2px;
    background: var(--color-border);
    margin: 0 12px;
    flex-shrink: 0;
    position: relative;
    border-radius: 2px;
}
.step-connector::after {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 100%;
    background: var(--color-brand-gradient);
    border-radius: 2px;
    transition: width 0.3s ease;
}
.step-item:hover + .step-connector::after { width: 100%; }

/* ============ 数据区 ============ */
.stats-section {
    background: var(--color-bg-deep);
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    top: -100px; right: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(142,42,77,0.3) 0%, transparent 70%);
    border-radius: 50%;
}
.stats-section .section-header h2,
.stats-section .section-header .lead { color: #fff; color: rgba(255,255,255,0.9); }
.stats-section .section-header .lead { color: rgba(255,255,255,0.65); }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 36px 28px 30px;
    position: relative;
    transition: transform 0.3s ease, background 0.3s ease;
}
.stat-card:hover {
    background: rgba(255,255,255,0.09);
    transform: translateY(-4px);
}
.stat-card .stat-num {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #F6B042, #E86252);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-card .stat-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}
.stat-card .stat-desc {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.5;
}
.stat-badge {
    position: absolute;
    top: 20px; right: 20px;
    background: var(--color-accent);
    color: #1a1013;
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1.4;
}

/* ============ 资讯区 ============ */
.news-section { background: var(--color-bg); }
.news-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
}
.news-list {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
}
.news-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.news-list-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}
.news-list-header a {
    font-size: 0.85rem;
    color: var(--color-primary);
}
.news-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 15px 0;
    border-bottom: 1px solid var(--color-border);
    gap: 16px;
    transition: padding-left 0.3s ease;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { padding-left: 8px; }
.news-item a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-main);
    line-height: 1.5;
    flex: 1;
    transition: color 0.3s ease;
}
.news-item a:hover { color: var(--color-primary); }
.news-item .date {
    font-size: 0.8rem;
    color: var(--color-text-sub);
    white-space: nowrap;
    flex-shrink: 0;
}
.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.sidebar-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.sidebar-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.sidebar-card img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background-color: #f0e8e4;
}
.sidebar-card-body { padding: 18px 20px 20px; }
.sidebar-card-body h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.45;
}
.sidebar-card-body p {
    font-size: 0.85rem;
    color: var(--color-text-sub);
    line-height: 1.6;
}

/* ============ 证言区 ============ */
.testimonials-section { background: #fff; }
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.testimonial-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary-light);
}
.testimonial-stars {
    color: var(--color-accent);
    font-size: 0.95rem;
    letter-spacing: 2px;
}
.testimonial-text {
    font-size: 0.95rem;
    color: var(--color-text-main);
    line-height: 1.7;
    flex: 1;
}
.testimonial-divider {
    height: 1px;
    background: var(--color-border);
}
.testimonial-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.testimonial-meta .avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--color-brand-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}
.testimonial-meta .name {
    font-size: 0.9rem;
    font-weight: 600;
}
.testimonial-meta .source {
    font-size: 0.78rem;
    color: var(--color-text-sub);
    background: var(--color-bg);
    border-radius: 6px;
    padding: 2px 8px;
}
.testimonial-meta .time {
    font-size: 0.75rem;
    color: #b0a4a7;
    margin-left: auto;
}

/* ============ FAQ ============ */
.faq-section {
    background: var(--color-bg-deep);
    position: relative;
    overflow: hidden;
}
.faq-section::after {
    content: '';
    position: absolute;
    bottom: -120px; left: -100px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(232,98,82,0.18) 0%, transparent 70%);
    border-radius: 50%;
}
.faq-wrapper {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 56px;
    align-items: start;
    position: relative;
    z-index: 1;
}
.faq-left h2 {
    color: #fff;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}
.faq-left .faq-contact {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.7;
}
.faq-left .btn-secondary { margin-top: 12px; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.3s ease, background 0.3s ease;
}
.faq-item.active {
    border-color: var(--color-primary-light);
    background: rgba(255,255,255,0.08);
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 0.98rem;
    font-weight: 600;
    text-align: left;
    padding: 18px 22px;
    cursor: pointer;
    transition: background 0.3s ease;
    min-height: 56px;
}
.faq-question:hover { background: rgba(255,255,255,0.04); }
.faq-icon {
    width: 22px;
    height: 22px;
    position: relative;
    flex-shrink: 0;
    margin-left: 16px;
}
.faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background: var(--color-accent);
    border-radius: 2px;
    transition: transform 0.3s ease;
}
.faq-icon::before { top: 10px; left: 3px; width: 16px; height: 2px; }
.faq-icon::after { top: 3px; left: 10px; width: 2px; height: 16px; }
.faq-item.active .faq-icon::after { transform: rotate(90deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    line-height: 1.7;
    padding: 0 22px;
}
.faq-item.active .faq-answer {
    max-height: 600px;
    padding: 0 22px 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 14px;
}

/* ============ CTA ============ */
.cta-section {
    background: var(--color-brand-gradient);
    position: relative;
    overflow: hidden;
    padding: 90px 0;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: rgba(255,255,255,0.3);
}
.cta-inner {
    text-align: center;
    color: #fff;
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.cta-inner h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}
.cta-inner p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.88);
    margin-bottom: 32px;
    line-height: 1.6;
}
.cta-inner .btn-cta {
    background: #fff;
    color: var(--color-primary);
    font-size: 1.05rem;
    font-weight: 700;
    padding: 16px 44px;
    border-radius: 999px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    transition: all 0.3s ease;
    display: inline-block;
}
.cta-inner .btn-cta:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}
.cta-inner .btn-cta:active { transform: scale(0.98); }
.cta-safe {
    margin-top: 24px;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.7);
    opacity: 0.8;
}

/* ============ 页脚 ============ */
.site-footer {
    background: #160F12;
    color: rgba(255,255,255,0.65);
    padding-top: 72px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.footer-brand .footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #F6B042, #E86252);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    display: inline-block;
    letter-spacing: -0.01em;
}
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.55);
    max-width: 280px;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease, transform 0.3s ease;
}
.footer-social a:hover {
    background: rgba(246,176,66,0.25);
    transform: translateY(-2px);
}
.footer-social svg {
    width: 18px;
    height: 18px;
    fill: rgba(255,255,255,0.7);
}
.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li {
    margin-bottom: 8px;
}
.footer-col a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    position: relative;
    transition: color 0.3s ease;
}
.footer-col a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 0; height: 1px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}
.footer-col a:hover {
    color: var(--color-accent);
}
.footer-col a:hover::after { width: 100%; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 22px 24px;
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
    line-height: 1.6;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--color-accent); }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
    .section { padding: 72px 0; }
    .header-nav { gap: 12px; }
    .header-nav a { font-size: 0.88rem; }
    .hero-inner { grid-template-columns: 1fr 0.9fr; gap: 32px; }
    .news-grid { grid-template-columns: 1fr 280px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .header-nav, .header-cta { display: none; }
    .hamburger { display: flex; }
    .header-inner { height: 60px; }
    .search-form { max-width: none; margin-right: 0; }
    .mobile-nav.open { display: flex; }
    .hero { min-height: auto; padding-top: 60px; }
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 28px;
        padding-top: 36px;
        padding-bottom: 48px;
    }
    .hero-visual { order: 2; }
    .hero h1 { font-size: clamp(1.8rem, 6vw, 2.8rem); }
    .hero-ctas { margin-bottom: 20px; }
    .problem-grid { grid-template-columns: 1fr; }
    .solution-item { grid-template-columns: 1fr; gap: 24px; }
    .solution-item.reverse .solution-media { order: 0; }
    .solution-item.reverse .solution-content { order: 1; }
    .solution-item:last-of-type { margin-bottom: 40px; }
    .steps-bar { flex-direction: column; gap: 16px; padding: 24px; }
    .step-connector { width: 2px; height: 24px; margin: 0; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .stat-card { padding: 24px 20px; }
    .news-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .testimonials-grid .testimonial-card:nth-child(2) { transform: none; }
    .faq-wrapper { grid-template-columns: 1fr; gap: 36px; }
    .cta-section { padding: 60px 0; }
    .cta-inner .btn-cta { padding: 14px 32px; font-size: 1rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .header-inner { padding: 0 16px; }
    .search-form input { font-size: 0.85rem; }
    .search-form button { padding: 6px 14px; font-size: 0.8rem; }
    .mobile-nav { padding: 12px 16px 16px; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .hero-ctas { flex-direction: column; align-items: stretch; }
    .hero-ctas .btn, .hero-ctas .hero-link { justify-content: center; text-align: center; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-card .stat-num { font-size: 1.8rem; }
    .news-item { flex-direction: column; gap: 4px; }
    .news-item .date { font-size: 0.75rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-social a { min-width: 44px; min-height: 44px; }
    .btn, .btn-secondary { min-height: 44px; padding-left: 20px; padding-right: 20px; }
}