/* roulang page: index */
:root {
            --primary: #2D6CDF;
            --primary-dark: #1E4FBF;
            --primary-light: #EAF0FB;
            --deep-blue: #1E3A8A;
            --tea-gold: #C8A27A;
            --tea-green: #7D9B76;
            --bg-light: #F5F8FC;
            --ink: #16233D;
            --ink-soft: #5B6B85;
            --border: rgba(45, 108, 223, 0.08);
            --card-shadow: 0 4px 20px rgba(30, 64, 175, 0.08);
            --card-shadow-hover: 0 10px 36px rgba(30, 64, 175, 0.14);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--bg-light);
            color: var(--ink);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: opacity 0.2s ease;
        }

        a:hover {
            opacity: 0.85;
        }

        ul {
            list-style: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 1px 12px rgba(30, 64, 175, 0.06);
            border-bottom: 1px solid rgba(45, 108, 223, 0.06);
        }

        .nav-panel {
            background: rgba(255, 255, 255, 0.7);
            border-radius: 0 0 16px 16px;
            border-left: 1px solid rgba(45, 108, 223, 0.08);
            border-right: 1px solid rgba(45, 108, 223, 0.08);
            padding: 0.65rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .logo-main {
            background: linear-gradient(135deg, #EAF0FB, #DCE8FA);
            border-radius: 10px;
            padding: 0.5rem 0.9rem;
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--deep-blue);
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .logo-badge {
            background: var(--primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            border-radius: 999px;
            padding: 0.2rem 0.7rem;
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-link-card {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: #fff;
            border-radius: 10px;
            padding: 0.45rem 0.85rem;
            font-size: 0.85rem;
            font-weight: 550;
            color: var(--ink);
            border: 1px solid rgba(45, 108, 223, 0.08);
            transition: all 0.2s ease;
        }

        .nav-link-card:hover {
            background: var(--primary-light);
            color: var(--primary);
            opacity: 1;
            transform: translateY(-1px);
        }

        .nav-link-card svg {
            width: 16px;
            height: 16px;
            stroke: currentColor;
        }

        .nav-cta-wrap {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            padding: 0.45rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: all 0.2s ease;
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            opacity: 1;
        }

        .online-dot {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: #EDFBF3;
            border: 1px solid rgba(16, 185, 129, 0.3);
            color: #059669;
            font-size: 0.775rem;
            font-weight: 650;
            border-radius: 999px;
            padding: 0.3rem 0.8rem;
        }

        .online-dot::before {
            content: '';
            width: 8px;
            height: 8px;
            background: #10B981;
            border-radius: 999px;
            display: inline-block;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 0.5rem;
            border-radius: 8px;
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-radius: 16px;
            padding: 0.75rem;
            margin-top: 0.5rem;
            box-shadow: 0 10px 40px rgba(30, 64, 175, 0.12);
            border: 1px solid rgba(45, 108, 223, 0.1);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu .nav-link-card {
            width: 100%;
            background: #F0F4FB;
            margin-bottom: 0.5rem;
            padding: 0.7rem 1rem;
            font-size: 0.9rem;
        }

        .mobile-menu .nav-link-card:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-cta-wrap .btn-nav-cta,
            .nav-cta-wrap .online-dot {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(180deg, #F5F8FC 0%, #EDF3FC 50%, #E8EFFA 100%);
            padding-top: 140px;
            padding-bottom: 100px;
            position: relative;
            overflow: hidden;
        }

        @media (max-width: 768px) {
            .hero-section {
                padding-top: 110px;
                padding-bottom: 70px;
            }
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            background: #fff;
            border: 1px solid rgba(45, 108, 223, 0.15);
            color: var(--deep-blue);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.4rem 1rem;
            border-radius: 999px;
            margin-bottom: 1.5rem;
        }

        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--ink);
            margin-bottom: 1.25rem;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.9rem;
            }
        }

        .hero-subtitle {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--ink-soft);
            margin-bottom: 2rem;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1.75rem;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            padding: 0.8rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.2s ease;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(45, 108, 223, 0.28);
            opacity: 1;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: #EAF0FB;
            color: var(--primary);
            border-radius: 10px;
            padding: 0.8rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.2s ease;
        }

        .btn-secondary:hover {
            background: #DCE8FA;
            transform: translateY(-2px);
            opacity: 1;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
        }

        .trust-item {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            color: var(--ink-soft);
            font-weight: 600;
        }

        .trust-item svg {
            width: 18px;
            height: 18px;
            stroke: var(--primary);
        }

        .hero-visual {
            position: relative;
            border-radius: 16px;
            min-height: 340px;
        }

        .hero-main-img {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(30, 64, 175, 0.18);
        }

        .hero-main-img img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            display: block;
        }

        @media (max-width: 768px) {
            .hero-main-img img {
                height: 300px;
            }
        }

        .hero-cover-img {
            position: absolute;
            right: -18px;
            bottom: -24px;
            width: 45%;
            border-radius: 12px;
            overflow: hidden;
            border: 4px solid #fff;
            box-shadow: 0 12px 32px rgba(30, 64, 175, 0.22);
        }

        .hero-cover-img img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }

        .hero-info-card {
            position: absolute;
            left: -20px;
            top: 32px;
            background: #fff;
            border-radius: 12px;
            padding: 0.9rem 1.2rem;
            box-shadow: 0 8px 24px rgba(30, 64, 175, 0.14);
            border: 1px solid rgba(45, 108, 223, 0.08);
        }

        .hero-info-card .mini-label {
            font-size: 0.75rem;
            color: var(--ink-soft);
            line-height: 1.4;
        }

        .hero-info-card .mini-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        /* 指标 */
        .metrics-section {
            position: relative;
            z-index: 10;
        }

        .metrics-grid {
            /* 在 Hero 下方做浮起效果 */
            margin-top: -56px;
        }

        .metric-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem 1.5rem;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            height: 100%;
        }

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

        .metric-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.6rem;
        }

        .metric-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--primary);
        }

        .metric-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--ink-soft);
            margin-top: 0.3rem;
            font-weight: 500;
        }

        /* 服务 */
        .services-section {
            padding: 6rem 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.9rem;
            border-radius: 999px;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--ink);
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
        }

        .section-desc {
            color: var(--ink-soft);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 400px;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
        }

        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
        }

        .service-card {
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            position: relative;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .service-card:hover {
            box-shadow: var(--card-shadow-hover);
        }

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

        .service-hero {
            height: 160px;
            overflow: hidden;
            border-radius: 12px 12px 0 0;
        }

        .service-hero img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .service-card:hover .service-hero img {
            transform: scale(1.03);
        }

        .service-body {
            padding: 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .service-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
        }

        .service-desc {
            font-size: 0.85rem;
            color: var(--ink-soft);
            line-height: 1.7;
            flex: 1;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }

        .tag-sm {
            background: #F0F4FB;
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
        }

        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 650;
            transition: gap 0.2s ease;
        }

        .service-link:hover {
            gap: 0.7rem;
            opacity: 1;
        }

        .service-card.featured {
            background: linear-gradient(145deg, #16233D, #1E3A8A);
            border-color: transparent;
            color: #fff;
        }

        .service-card.featured::before {
            opacity: 1;
            background: #C8A27A;
        }

        .service-card.featured .service-name {
            color: #fff;
        }

        .service-card.featured .service-desc {
            color: rgba(255, 255, 255, 0.8);
        }

        .service-card.featured .tag-sm {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .service-card.featured .service-link {
            color: #fff;
        }

        .service-card.featured .service-hero {
            height: 12px;
            border-radius: 0;
        }

        .service-card.featured .service-hero img {
            display: none;
        }

        /* 流程条 */
        .flow-bar {
            margin-top: 3rem;
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
        }

        @media (max-width: 768px) {
            .flow-bar {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .flow-bar {
                grid-template-columns: 1fr;
            }
        }

        .flow-step {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .flow-step-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .flow-step-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
        }

        .flow-step-label {
            font-size: 0.85rem;
            color: var(--ink-soft);
        }

        /* 对比 */
        .compare-section {
            background: #EDF2FA;
            padding: 6rem 0;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 0.15fr 1fr;
            gap: 1.5rem;
            align-items: center;
        }

        @media (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }

        .compare-card {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            height: 100%;
        }

        .compare-card.highlight {
            background: #fff;
            border: 2px solid var(--primary);
            box-shadow: 0 10px 40px rgba(45, 108, 223, 0.12);
        }

        .compare-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 1.2rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid #EFF3FA;
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }

        .compare-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.92rem;
            line-height: 1.6;
            color: var(--ink);
        }

        .compare-icon {
            width: 22px;
            height: 22px;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.7rem;
            font-weight: 800;
        }

        .compare-item.good .compare-icon {
            background: #DEF7EC;
            color: #059669;
        }

        .compare-item.bad .compare-icon {
            background: #FEE2E2;
            color: #DC2626;
        }

        .compare-item.bad {
            color: #9CA3AF;
        }

        .compare-vs {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .vs-circle {
            width: 52px;
            height: 52px;
            background: #fff;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--primary);
            box-shadow: var(--card-shadow);
            border: 2px solid var(--primary);
            font-size: 0.8rem;
            letter-spacing: -0.02em;
        }

        .compare-cta {
            margin-top: 2.5rem;
            text-align: center;
        }

        /* FAQ */
        .faq-section {
            padding: 6rem 0;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 3rem;
        }

        @media (max-width: 1024px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        .faq-title-area {
            padding-right: 1rem;
        }

        .faq-title-area .qr-placeholder {
            margin-top: 2rem;
            background: #fff;
            border-radius: 12px;
            border: 1px dashed rgba(45, 108, 223, 0.3);
            width: 140px;
            height: 140px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.8rem;
            text-align: center;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        details.faq-item {
            background: #F1F5FA;
            border-radius: 12px;
            border: 1px solid transparent;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        details.faq-item[open] {
            background: #fff;
            border-color: var(--primary);
            box-shadow: var(--card-shadow);
        }

        .faq-question {
            padding: 1rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 650;
            color: var(--ink);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            outline: none;
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
            border-radius: 12px;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.4rem;
            color: var(--primary);
            font-weight: 400;
            transition: transform 0.3s ease;
        }

        details[open] .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.85rem;
            color: var(--ink-soft);
            line-height: 1.75;
        }

        /* 表单 */
        .appointment-section {
            padding: 6rem 0;
            background: linear-gradient(180deg, #F5F8FC, #EFF4FC);
        }

        .appointment-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(30, 64, 175, 0.12);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
        }

        @media (max-width: 1024px) {
            .appointment-card {
                grid-template-columns: 1fr;
            }
        }

        .appointment-left {
            background: linear-gradient(150deg, #F5F9FF, #E8EFFA);
            padding: 3rem 2.5rem;
        }

        .appointment-right {
            padding: 3rem 2.5rem;
        }

        .appointment-steps {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }

        .step-line {
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
        }

        .step-num {
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .step-text {
            font-size: 0.85rem;
            color: var(--ink-soft);
            line-height: 1.7;
        }

        .appointment-time-tip {
            margin-top: 2rem;
            background: #ffffffaa;
            border-radius: 12px;
            padding: 1rem;
            border: 1px solid rgba(45, 108, 223, 0.1);
        }

        .form-group {
            margin-bottom: 1.2rem;
        }

        .form-group label {
            display: block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 0.4rem;
        }

        .form-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            border: 1px solid rgba(45, 108, 223, 0.2);
            font-size: 0.9rem;
            color: var(--ink);
            background: #fff;
            transition: all 0.2s ease;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(45, 108, 223, 0.15);
        }

        .form-select {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            border: 1px solid rgba(45, 108, 223, 0.2);
            font-size: 0.9rem;
            color: var(--ink);
            background: #fff;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%235B6B85' viewBox='0 0 16 16'%3E%3Cpath d='M8 11.5 3.5 7.5 4.5 6.5 8 9.8 11.5 6.5 12.5 7.5 8 11.5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 1rem center;
        }

        .form-select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(45, 108, 223, 0.15);
        }

        .form-textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            border: 1px solid rgba(45, 108, 223, 0.2);
            font-size: 0.9rem;
            color: var(--ink);
            min-height: 80px;
            resize: vertical;
        }

        .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(45, 108, 223, 0.15);
        }

        .btn-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            padding: 0.85rem 1.5rem;
            font-size: 1rem;
            font-weight: 700;
            transition: all 0.2s ease;
        }

        .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-submit:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .privacy-note {
            text-align: center;
            font-size: 0.75rem;
            color: var(--ink-soft);
            margin-top: 0.75rem;
        }

        .form-success-tip {
            display: none;
            background: #DEF7EC;
            color: #065F46;
            border: 1px solid #A7F3D0;
            border-radius: 10px;
            padding: 1rem;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 1rem;
            text-align: center;
        }

        .form-success-tip.show {
            display: block;
        }

        /* 页脚 */
        .site-footer {
            background: #10233F;
            color: #94A3B8;
            padding-top: 4rem;
            padding-bottom: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .footer-logo {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-title {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: #94A3B8;
            transition: all 0.2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            opacity: 1;
        }

        .footer-contact-list {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            font-size: 0.85rem;
        }

        .footer-contact-item svg {
            width: 16px;
            height: 16px;
            stroke: currentColor;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        .copyright-bar {
            padding-top: 1.5rem;
            font-size: 0.75rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.75rem;
        }

        .copyright-bar .icp {
            color: #64748B;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .compare-vs {
                transform: rotate(90deg);
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .faq-title-area .qr-placeholder {
                display: none;
            }
        }

        /* 浮动转化条 */
        .floating-cta {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 90;
        }

        .floating-btn {
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            padding: 0.75rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 700;
            box-shadow: 0 8px 30px rgba(45, 108, 223, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.2s ease;
        }

        .floating-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(45, 108, 223, 0.4);
            opacity: 1;
        }

        @media (max-width: 768px) {
            .floating-btn {
                padding: 0.65rem 1.2rem;
                font-size: 0.8rem;
            }
        }