/* roulang page: index */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E5A8E;
            --primary-light: #EBF3FC;
            --accent: #B8934A;
            --accent-light: #F5EEDD;
            --bg: #F5F8FC;
            --bg-white: #FFFFFF;
            --text: #1A202C;
            --text-muted: #5A6A7A;
            --border: #DCE5F0;
            --shadow-sm: 0 2px 8px rgba(27, 55, 90, 0.06);
            --shadow-md: 0 8px 24px rgba(27, 55, 90, 0.09);
            --shadow-lg: 0 16px 48px rgba(27, 55, 90, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-md);
        }

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

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

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

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

        .cell {
            flex: 1 1 auto;
            min-width: 0;
        }

        @media screen and (max-width: 1024px) {
            .grid-container {
                padding: 0 20px;
            }
        }

        @media screen and (max-width: 768px) {
            .grid-container {
                padding: 0 16px;
            }
            .cell {
                flex-basis: 100%;
                max-width: 100%;
            }
        }

        @media screen and (max-width: 520px) {
            .grid-container {
                padding: 0 14px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            box-shadow: 0 1px 0 rgba(27, 55, 90, 0.08);
        }

        .header-main {
            border-bottom: 1px solid rgba(27, 55, 90, 0.05);
        }

        .header-main .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(43, 108, 176, 0.3);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-phone {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 30px;
            background: var(--bg);
        }

        .header-phone:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .header-nav-wrap {
            background: transparent;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 12px 0;
            flex-wrap: nowrap;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            background: transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-item i {
            font-size: 15px;
            opacity: 0.8;
        }

        .nav-item:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-item.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 14px rgba(43, 108, 176, 0.3);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px 12px;
            font-size: 16px;
            color: var(--text);
            cursor: pointer;
        }

        @media screen and (max-width: 1024px) {
            .header-phone {
                display: none;
            }
            .nav-item {
                padding: 9px 14px;
                font-size: 14px;
            }
        }

        @media screen and (max-width: 768px) {
            .header-main .grid-container {
                min-height: 60px;
            }
            .logo-text {
                font-size: 18px;
            }
            .menu-toggle {
                display: inline-flex;
                align-items: center;
                gap: 6px;
            }
            .header-nav {
                display: none;
                flex-direction: column;
                padding: 16px;
                gap: 10px;
                background: var(--bg-white);
                border-top: 1px solid var(--border);
            }
            .header-nav.open {
                display: flex;
            }
            .nav-item {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
            }
        }

        /* ===== Section Common ===== */
        section {
            padding: 80px 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        @media screen and (max-width: 768px) {
            section {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 0;
            background: var(--primary-light);
            overflow: hidden;
        }

        .hero-bg {
            position: relative;
            background-image: linear-gradient(135deg, rgba(235, 243, 252, 0.92), rgba(255, 255, 255, 0.96)),
                url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 88px 0 72px;
        }

        .hero-inner {
            max-width: 840px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(255, 255, 255, 0.85);
            padding: 8px 20px;
            border-radius: 30px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: clamp(30px, 4.5vw, 48px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.8px;
            color: var(--text);
            margin-bottom: 18px;
        }

        .hero h1 .highlight {
            color: var(--primary);
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.85;
            max-width: 680px;
            margin: 0 auto 32px;
        }

        .hero-badges {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid var(--border);
            padding: 8px 18px;
            border-radius: 30px;
            box-shadow: var(--shadow-sm);
        }

        .hero-badge i {
            color: var(--primary);
        }

        .hero-qualify {
            font-size: 14px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.8);
            border-radius: 12px;
            padding: 14px 20px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-sm);
        }

        .hero-qualify i {
            color: var(--accent);
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0;
            background: rgba(255, 255, 255, 0.85);
            border-radius: var(--radius-lg);
            padding: 20px 32px;
            box-shadow: var(--shadow-md);
            max-width: 600px;
            margin: 0 auto;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 8px 28px;
            border-right: 1px solid var(--border);
        }

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

        .hero-stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media screen and (max-width: 768px) {
            .hero-bg {
                padding: 60px 0 48px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 0;
                padding: 16px;
            }
            .hero-stat {
                border-right: none;
                border-bottom: 1px solid var(--border);
                padding: 12px 0;
            }
            .hero-stat:last-child {
                border-bottom: none;
            }
        }

        /* ===== Button ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 6px 20px rgba(43, 108, 176, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(43, 108, 176, 0.4);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(43, 108, 176, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-outline:active {
            background: rgba(43, 108, 176, 0.12);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #a67c2e);
            color: #fff;
            box-shadow: 0 6px 20px rgba(184, 147, 74, 0.35);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 10px 28px rgba(184, 147, 74, 0.42);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 14px;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(43, 108, 176, 0.3);
            outline-offset: 2px;
        }

        /* ===== Feature Cards ===== */
        .features {
            background: var(--bg-white);
        }

        .feature-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 16px;
        }

        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        @media screen and (max-width: 1024px) {
            .feature-cards {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }

        @media screen and (max-width: 768px) {
            .feature-cards {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-card {
                padding: 28px 22px;
            }
        }

        /* ===== Scenarios ===== */
        .scenarios {
            background: var(--bg);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .scenario-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .scenario-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .scenario-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(20, 30, 45, 0.2), transparent);
        }

        .scenario-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            font-size: 12px;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
        }

        .scenario-body {
            padding: 24px 26px 28px;
        }

        .scenario-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scenario-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        @media screen and (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }

        @media screen and (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .scenario-img {
                height: 180px;
            }
        }

        /* ===== Timeline ===== */
        .timeline {
            background: var(--bg-white);
        }

        .timeline-wrap {
            max-width: 760px;
            margin: 0 auto;
            position: relative;
            padding: 0 20px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            border-radius: 2px;
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            align-items: flex-start;
            position: relative;
            padding: 20px 0;
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            top: 34px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-white);
            box-shadow: 0 0 0 3px var(--primary-light);
            transform: translateX(-50%);
            z-index: 2;
        }

        .timeline-card {
            width: calc(50% - 40px);
            margin-left: auto;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .timeline-item:nth-child(even) .timeline-card {
            margin-left: 0;
            margin-right: auto;
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .timeline-step {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 4px;
        }

        .timeline-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .timeline-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media screen and (max-width: 768px) {
            .timeline-wrap::before {
                left: 14px;
                transform: none;
            }
            .timeline-dot {
                left: 14px;
                transform: translateX(-50%);
            }
            .timeline-card,
            .timeline-item:nth-child(even) .timeline-card {
                width: calc(100% - 40px);
                margin-left: 40px;
                margin-right: 0;
            }
        }

        /* ===== Social Proof ===== */
        .social-proof {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .social-proof::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .social-proof .section-eyebrow {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .social-proof .section-title,
        .social-proof .section-desc {
            color: #fff;
        }

        .proof-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin: 40px 0;
            position: relative;
        }

        .proof-stat {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            backdrop-filter: blur(6px);
        }

        .proof-stat-num {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.1;
            color: #fff;
        }

        .proof-stat-label {
            font-size: 14px;
            opacity: 0.85;
            margin-top: 6px;
        }

        .proof-testimonials {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
        }

        .proof-card {
            background: rgba(255, 255, 255, 0.96);
            color: var(--text);
            border-radius: var(--radius-md);
            padding: 24px 24px 20px;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .proof-card-stars {
            color: var(--accent);
            font-size: 14px;
            letter-spacing: 2px;
        }

        .proof-card-text {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text);
            flex: 1;
        }

        .proof-card-user {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }

        .proof-card-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }

        .proof-card-name {
            font-size: 14px;
            font-weight: 600;
        }

        .proof-card-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        @media screen and (max-width: 1024px) {
            .proof-stats,
            .proof-testimonials {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }
        }

        @media screen and (max-width: 768px) {
            .proof-stats {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .proof-testimonials {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .proof-stat-num {
                font-size: 32px;
            }
        }

        /* ===== Changelog ===== */
        .changelog {
            background: var(--bg-white);
        }

        .changelog-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .changelog-list {
            border-left: 3px solid var(--border);
            margin-left: 12px;
            padding-left: 0;
        }

        .changelog-item {
            position: relative;
            padding: 20px 0 20px 32px;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s;
        }

        .changelog-item:last-child {
            border-bottom: none;
        }

        .changelog-item::before {
            content: '';
            position: absolute;
            left: -9px;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary-light);
            border: 3px solid var(--primary);
        }

        .changelog-item:hover {
            background: var(--primary-light);
        }

        .changelog-date {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 8px;
        }

        .changelog-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .changelog-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .changelog-type {
            font-size: 11px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .changelog-type-new {
            background: #E6F6E6;
            color: #2F855A;
        }

        .changelog-type-up {
            background: #E6F0FF;
            color: #2B6CB0;
        }

        .changelog-type-polish {
            background: #FFF5E6;
            color: #B7791F;
        }

        /* ===== News ===== */
        .news {
            background: var(--bg);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 0.9fr;
            gap: 40px;
            align-items: start;
        }

        .news-list {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 16px 20px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 12px;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            background: var(--primary-light);
            border-radius: var(--radius-sm);
        }

        .news-meta {
            flex-shrink: 0;
            text-align: center;
            min-width: 60px;
        }

        .news-date {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

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

        .news-body {
            flex: 1;
        }

        .news-body h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            transition: color 0.2s;
        }

        .news-item:hover .news-body h4 {
            color: var(--primary);
        }

        .news-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .news-recommend {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
        }

        .news-recommend h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .recommend-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .recommend-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .recommend-item:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            transform: translateX(4px);
        }

        .recommend-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .recommend-item span {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
        }

        .news-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .news-more:hover {
            gap: 10px;
        }

        @media screen and (max-width: 900px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== Book Form ===== */
        .book-form {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative;
            overflow: hidden;
        }

        .book-form::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
        }

        .book-form .section-title,
        .book-form .section-desc {
            color: #fff;
        }

        .book-form .section-eyebrow {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .form-card {
            max-width: 720px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.98);
            border-radius: var(--radius-lg);
            padding: 40px 40px 36px;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            margin-bottom: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }

        .form-group label .required {
            color: #E53E3E;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 14px;
            color: var(--text);
            background: var(--bg-white);
            transition: var(--transition);
            line-height: 1.5;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
        }

        .form-control::placeholder {
            color: #A0AEC0;
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23718096' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }

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

        .form-tip {
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .form-tip i {
            color: var(--primary);
        }

        .form-submit {
            width: 100%;
            margin-top: 8px;
        }

        @media screen and (max-width: 768px) {
            .form-card {
                padding: 28px 22px 24px;
            }
            .form-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq {
            background: var(--bg-white);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .final-cta {
            background: var(--accent-light);
            text-align: center;
            padding: 76px 0;
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(245, 238, 221, 0.7), rgba(255, 255, 255, 0.5));
        }

        .final-cta .grid-container {
            position: relative;
        }

        .final-cta h2 {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .final-cta p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--text);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand .logo-icon {
            background: linear-gradient(135deg, var(--accent), #a67c2e);
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col ul li a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact li i {
            color: var(--accent);
            margin-top: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.8;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media screen and (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media screen and (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== General Utilities ===== */
        .text-center {
            text-align: center;
        }

        .mt-1 {
            margin-top: 10px;
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mt-3 {
            margin-top: 32px;
        }

        .section-divider {
            border: 0;
            border-top: 1px solid var(--border);
            margin: 0;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(43, 108, 176, 0.3);
            outline-offset: 2px;
        }

        @media screen and (max-width: 768px) {
            .btn-lg {
                padding: 14px 32px;
                font-size: 15px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 15px;
            }
        }

        @media screen and (max-width: 520px) {
            .btn {
                width: 100%;
            }
            .hero-cta {
                flex-direction: column;
                width: 100%;
            }
            .hero-badge {
                width: 100%;
                justify-content: center;
            }
            .hero-qualify {
                flex-direction: column;
                text-align: center;
                padding: 12px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1a5fb4;
            --primary-dark: #134b8e;
            --primary-light: #e8f1fc;
            --primary-lighter: #f2f7fd;
            --accent: #d97733;
            --accent-light: #fdf3eb;
            --bg-body: #f6f9fc;
            --bg-white: #ffffff;
            --bg-deep: #0e2a47;
            --bg-muted: #eef3f9;
            --text-main: #1f2937;
            --text-muted: #6b7280;
            --text-light: #9aa7b8;
            --border: #e2eaf2;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-xs: 0 1px 3px rgba(15, 42, 78, 0.06);
            --shadow-sm: 0 2px 10px rgba(15, 42, 78, 0.07);
            --shadow-md: 0 10px 28px rgba(15, 42, 78, 0.10);
            --shadow-lg: 0 18px 48px rgba(15, 42, 78, 0.13);
            --space-section: clamp(64px, 8vw, 100px);
            --transition: all 0.3s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.6em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }

        p {
            margin: 0 0 1.1em;
        }

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

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ---------- 按钮 ---------- */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.3px;
            box-shadow: 0 6px 18px rgba(26, 95, 180, 0.28);
            transition: var(--transition);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(26, 95, 180, 0.34);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(26, 95, 180, 0.24);
        }

        .btn-primary i {
            font-size: 15px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid rgba(26, 95, 180, 0.4);
            border-radius: 999px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .btn-outline:focus {
            outline: 3px solid rgba(26, 95, 180, 0.2);
            outline-offset: 2px;
        }

        .btn-block {
            display: flex;
            width: 100%;
            justify-content: center;
        }

        /* ---------- 顶部导航 ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 74px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #3b82e8);
            color: #fff;
            border-radius: 12px;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(26, 95, 180, 0.24);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0.3px;
            color: var(--text-main);
            line-height: 1.3;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-muted);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .nav-item i {
            font-size: 15px;
            color: var(--text-light);
            transition: var(--transition);
        }

        .nav-item:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-item:hover i {
            color: var(--primary);
        }

        .nav-item.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
            border-color: rgba(26, 95, 180, 0.1);
        }

        .nav-item.active i {
            color: var(--primary);
        }

        .nav-item:focus {
            outline: 3px solid rgba(26, 95, 180, 0.18);
            outline-offset: 2px;
        }

        .header-phone {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
            padding: 10px 16px;
            border-radius: 999px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .header-phone i {
            color: var(--primary);
        }

        .header-phone:hover {
            border-color: rgba(26, 95, 180, 0.3);
            background: var(--primary-lighter);
            color: var(--primary-dark);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: #fff;
            color: var(--text-main);
            font-size: 18px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: rgba(26, 95, 180, 0.3);
            color: var(--primary);
        }

        .nav-toggle:focus {
            outline: 3px solid rgba(26, 95, 180, 0.15);
        }

        /* ---------- Hero ---------- */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0e2a47 0%, #143b66 55%, #1b4f85 100%);
            color: #fff;
            padding: clamp(70px, 9vw, 110px) 0 clamp(60px, 8vw, 90px);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(600px at 85% 20%, rgba(93, 160, 255, 0.16), transparent 60%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: #dbeafe;
            margin-bottom: 22px;
            letter-spacing: 0.5px;
        }

        .hero-kicker i {
            font-size: 13px;
        }

        .hero-title {
            font-size: clamp(32px, 4.5vw, 52px);
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .hero-title span {
            color: #ffd9a8;
        }

        .hero-subtitle {
            font-size: clamp(16px, 1.6vw, 18px);
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 999px;
            padding: 8px 14px;
            font-size: 13.5px;
            font-weight: 500;
            color: #eaf2ff;
        }

        .hero-badge i {
            color: #8dc0ff;
        }

        .hero-note {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin-bottom: 24px;
            max-width: 460px;
            border-left: 3px solid rgba(255, 255, 255, 0.2);
            padding-left: 14px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .hero-actions .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
        }

        .hero-actions .btn-primary:hover {
            background: #f0f5ff;
            color: var(--primary-dark);
        }

        .hero-actions .btn-outline {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }

        .hero-actions .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .hero-mini {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 14px;
        }

        .hero-panel {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(10px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
        }

        .panel-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .panel-title i {
            color: #8dc0ff;
        }

        .panel-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .panel-stat {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .panel-stat:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }

        .panel-stat .num {
            display: block;
            font-size: 28px;
            font-weight: 800;
            color: #ffd9a8;
            line-height: 1.2;
        }

        .panel-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
            display: block;
        }

        .panel-qualify {
            margin-top: 22px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            font-size: 13px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.7);
            border-left: 3px solid #8dc0ff;
        }

        .panel-qualify i {
            color: #8dc0ff;
            margin-right: 6px;
        }

        .panel-cta {
            margin-top: 16px;
            display: block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 999px;
            padding: 12px 20px;
            text-align: center;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            transition: var(--transition);
        }

        .panel-cta:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        /* ---------- 板块通用 ---------- */
        .section {
            padding: var(--space-section) 0;
        }

        .section-muted {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--bg-deep);
            color: #fff;
        }

        .section-header {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-header-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 38px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ---------- 痛点与方案 ---------- */
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(30px, 5vw, 60px);
            align-items: center;
        }

        .split-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            transition: transform 0.6s ease;
        }

        .split-image:hover img {
            transform: scale(1.03);
        }

        .split-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
        }

        .split-content .section-tag {
            margin-bottom: 14px;
        }

        .split-content h2 {
            font-size: clamp(22px, 2.6vw, 32px);
            margin-bottom: 18px;
        }

        .split-content p {
            color: var(--text-muted);
            line-height: 1.85;
        }

        .pain-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .pain-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.7;
        }

        .pain-list li i {
            position: absolute;
            left: 0;
            top: 4px;
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 10px;
            color: #fff;
        }

        .pain-list li .fa-xmark {
            background: #e35d5d;
        }

        .pain-list li .fa-check {
            background: #3eb87a;
        }

        .solution-box {
            background: var(--primary-lighter);
            border-radius: var(--radius-md);
            border-left: 4px solid var(--primary);
            padding: 18px 20px;
            margin-top: 6px;
        }

        .solution-box p {
            margin: 0;
            font-size: 15px;
        }

        .solution-box strong {
            color: var(--primary-dark);
        }

        /* ---------- 服务特色卡片 ---------- */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-xs);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), #3b82e8);
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(26, 95, 180, 0.2);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 16px;
            font-size: 22px;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(-6deg);
        }

        .feature-card h3 {
            font-size: 19px;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ---------- 适用场景 ---------- */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .scene-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-xs);
            display: flex;
            flex-direction: column;
        }

        .scene-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .scene-media {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .scene-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .scene-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(10, 30, 52, 0.35));
        }

        .scene-body {
            padding: 26px 24px 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .scene-body .scene-icon {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-light);
            color: var(--accent);
            border-radius: 12px;
            font-size: 18px;
            margin-bottom: 16px;
        }

        .scene-body h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .scene-body p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
            flex: 1;
        }

        /* ---------- 服务流程 ---------- */
        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-dark .section-tag {
            background: rgba(255, 255, 255, 0.12);
            color: #a6c9ff;
        }

        .steps-wrap {
            margin-top: 48px;
        }

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

        .step-card {
            position: relative;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            text-align: center;
            transition: var(--transition);
        }

        .step-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .step-num {
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #3b82e8, #1a5fb4);
            color: #fff;
            border-radius: 50%;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 18px;
            box-shadow: 0 6px 16px rgba(26, 95, 180, 0.3);
        }

        .step-card h3 {
            color: #fff;
            font-size: 17px;
            margin-bottom: 10px;
        }

        .step-card p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
            z-index: 2;
        }

        /* ---------- 客户证言 ---------- */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .testimonial-stars {
            color: #f0a63a;
            font-size: 14px;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 20px;
            position: relative;
            padding-top: 4px;
        }

        .testimonial-text::before {
            content: '\201C';
            position: absolute;
            top: -12px;
            left: -4px;
            font-size: 48px;
            color: var(--primary-light);
            font-family: Georgia, serif;
            z-index: 0;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }

        .testimonial-author .name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
        }

        .testimonial-author .role {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ---------- FAQ ---------- */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-xs);
        }

        .faq-item:hover {
            border-color: rgba(26, 95, 180, 0.25);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i {
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 13px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item[open] summary {
            color: var(--primary);
            border-bottom: 1px solid var(--border);
        }

        .faq-item[open] summary i {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 16px 24px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: clamp(70px, 8vw, 96px) 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-size: clamp(28px, 3.6vw, 42px);
            color: #fff;
            margin-bottom: 16px;
            font-weight: 800;
        }

        .cta-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 20px;
        }

        .cta-section .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
        }

        .cta-section .btn-primary:hover {
            background: #f0f5ff;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .cta-section .btn-outline {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .cta-section .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .cta-note {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: #0d2236;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .footer-brand .brand-logo .logo-text {
            color: #fff;
        }

        .footer-brand-desc {
            font-size: 14.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
            margin: 0;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-col ul li a i {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.3);
        }

        .footer-contact li {
            color: rgba(255, 255, 255, 0.6);
            align-items: center;
            gap: 10px;
        }

        .footer-contact li i {
            width: 20px;
            color: var(--primary);
            text-align: center;
            font-size: 14px;
        }

        .footer-bottom {
            text-align: center;
            padding: 24px 0 28px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.9;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .step-arrow {
                display: none;
            }

            .split-block {
                gap: 30px;
            }

            .feature-grid,
            .scene-grid,
            .testimonial-grid {
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                min-height: 64px;
                flex-wrap: wrap;
            }

            .header-phone {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .header-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                padding: 16px 24px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }

            .header-nav.open {
                display: flex;
            }

            .nav-item {
                justify-content: flex-start;
                padding: 14px 18px;
                font-size: 15px;
            }

            .split-block {
                grid-template-columns: 1fr;
            }

            .split-image {
                order: -1;
            }

            .split-image img {
                min-height: 240px;
            }

            .feature-grid,
            .scene-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .hero-panel {
                margin-top: 32px;
            }

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

            .section-header {
                margin-bottom: 30px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                justify-content: center;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .brand-logo .logo-text {
                font-size: 16px;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .hero-section {
                padding: 56px 0 64px;
            }

            .hero-title {
                font-size: 28px;
            }

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

            .hero-badges {
                gap: 8px;
            }

            .hero-badge {
                font-size: 12.5px;
                padding: 6px 12px;
            }

            .panel-stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .panel-stat {
                padding: 14px 10px;
            }

            .panel-stat .num {
                font-size: 22px;
            }

            .panel-stat .label {
                font-size: 12px;
            }

            .feature-card,
            .testimonial-card {
                padding: 24px 20px;
            }

            .scene-body {
                padding: 20px 18px 24px;
            }

            .faq-item summary {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 14px 18px 18px;
                font-size: 14.5px;
            }
        }