/* AB模板网 整站模板下载 */
/* 模板：Www.AdminBuy.Cn */
 * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
        color: #1f2937;
        background: #ffffff;
        line-height: 1.7;
    }

    a {
        text-decoration: none;
        color: inherit;
    }

    ul {
        list-style: none;
    }

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

    .container {
        width: 92%;
        max-width: 1240px;
        margin: 0 auto;
    }

    /* 顶部导航 */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: saturate(180%) blur(10px);
        box-shadow: 0 2px 14px rgba(0, 0, 0, 0.05);
        z-index: 999;
    }

    .nav-inner {
        height: 78px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .logo {
        font-size: 24px;
        font-weight: 700;
        color: #0ea5e9;
        letter-spacing: 1px;
    }

    .logo span {
        color: #10b981;
    }

    .nav-menu {
        display: flex;
        gap: 34px;
    }

    .nav-menu a {
        font-size: 15px;
        color: #374151;
        font-weight: 500;
        position: relative;
        padding: 8px 0;
        transition: 0.3s;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        color: #0ea5e9;
    }

    .nav-menu a::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 2px;
        background: linear-gradient(90deg, #0ea5e9, #10b981);
        transition: 0.3s;
    }

    .nav-menu a:hover::after,
    .nav-menu a.active::after {
        width: 100%;
    }

    .nav-btn {
        padding: 10px 22px;
        background: linear-gradient(90deg, #0ea5e9, #10b981);
        color: #fff;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 1px;
        transition: 0.3s;
    }

    .nav-btn:hover {
        box-shadow: 0 10px 24px rgba(14, 165, 233, 0.35);
        transform: translateY(-2px);
    }

    .menu-toggle {
        display: none;
        flex-direction: column;
        gap: 6px;
        cursor: pointer;
        background: none;
        border: none;
    }

    .menu-toggle span {
        width: 26px;
        height: 2px;
        background: #111827;
        transition: 0.3s;
    }

    /* 首屏Banner */
    .hero {
        margin-top: 78px;
        padding: 110px 0 90px;
        background:
            radial-gradient(circle at 10% 20%, rgba(14, 165, 233, 0.18), transparent 28%),
            radial-gradient(circle at 90% 10%, rgba(16, 185, 129, 0.12), transparent 30%),
            linear-gradient(135deg, #f0f9ff 0%, #ecfdf5 100%);
        overflow: hidden;
    }

    .hero-inner {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 60px;
        align-items: center;
    }

    .hero-tag {
        display: inline-block;
        padding: 8px 16px;
        background: rgba(14, 165, 233, 0.12);
        color: #0369a1;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 20px;
    }

    .hero h1 {
        font-size: clamp(34px, 4.6vw, 54px);
        line-height: 1.2;
        color: #0f172a;
        margin-bottom: 22px;
        letter-spacing: 1px;
    }

    .hero h1 em {
        font-style: normal;
        background: linear-gradient(90deg, #0ea5e9, #10b981);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .hero p {
        font-size: 17px;
        color: #475569;
        margin-bottom: 34px;
        max-width: 560px;
    }

    .hero-btns {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }

    .btn-primary {
        padding: 14px 30px;
        background: linear-gradient(90deg, #0ea5e9, #10b981);
        color: #fff;
        border-radius: 999px;
        font-weight: 700;
        letter-spacing: 1px;
        transition: 0.3s;
        border: none;
        cursor: pointer;
    }

    .btn-primary:hover {
        box-shadow: 0 14px 30px rgba(14, 165, 233, 0.35);
        transform: translateY(-3px);
    }

    .btn-ghost {
        padding: 14px 30px;
        border: 1px solid #cbd5e1;
        color: #0f172a;
        border-radius: 999px;
        font-weight: 600;
        transition: 0.3s;
        background: #fff;
    }

    .btn-ghost:hover {
        border-color: #0ea5e9;
        color: #0ea5e9;
    }

    .hero-image {
        position: relative;
    }

    .hero-image img {
        border-radius: 28px;
        box-shadow: 0 30px 60px rgba(14, 165, 233, 0.18);
    }

    .hero-card {
        position: absolute;
        left: -24px;
        bottom: 30px;
        background: #fff;
        padding: 18px 22px;
        border-radius: 18px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .hero-card-icon {
        width: 48px;
        height: 48px;
        background: linear-gradient(135deg, #0ea5e9, #10b981);
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 22px;
    }

    .hero-card-text strong {
        display: block;
        font-size: 18px;
        color: #0f172a;
    }

    .hero-card-text span {
        font-size: 13px;
        color: #64748b;
    }

    /* 通用区块标题 */
    .section {
        padding: 90px 0;
    }

    .section-head {
        text-align: center;
        margin-bottom: 56px;
    }

    .section-label {
        font-size: 13px;
        color: #0ea5e9;
        font-weight: 700;
        letter-spacing: 3px;
        margin-bottom: 12px;
    }

    .section-title {
        font-size: 34px;
        color: #0f172a;
        margin-bottom: 14px;
    }

    .section-title em {
        font-style: normal;
        color: #10b981;
    }

    .section-desc {
        color: #64748b;
        max-width: 640px;
        margin: 0 auto;
    }

    /* 关于我们 */
    .about-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }

    .about-image img {
        border-radius: 24px;
        box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
    }

    .about-text h3 {
        font-size: 26px;
        margin-bottom: 20px;
        color: #0f172a;
    }

    .about-text p {
        color: #475569;
        margin-bottom: 16px;
    }

    .about-list {
        margin-top: 24px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .about-list li {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #334155;
        font-weight: 500;
    }

    .about-list li::before {
        content: "✓";
        width: 26px;
        height: 26px;
        background: linear-gradient(135deg, #0ea5e9, #10b981);
        color: #fff;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
    }

    /* 服务项目 */
    .service-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .service-card {
        background: #fff;
        border-radius: 22px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
        transition: 0.4s;
        border: 1px solid #f1f5f9;
    }

    .service-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 46px rgba(14, 165, 233, 0.14);
        border-color: rgba(14, 165, 233, 0.25);
    }

    .service-image {
        height: 210px;
        overflow: hidden;
    }


    .service-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: 0.6s;
    }

    .service-card:hover .service-image img {
        transform: scale(1.08);
    }

    .service-body {
        padding: 28px;
    }

    .service-icon {
        width: 54px;
        height: 54px;
        border-radius: 16px;
        background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(16, 185, 129, 0.12));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        color: #0ea5e9;
        margin-bottom: 16px;
    }

    .service-body h4 {
        font-size: 20px;
        margin-bottom: 12px;
        color: #0f172a;
    }

    .service-body p {
        color: #64748b;
        font-size: 14px;
    }

    /* 六大优势 */
    .advantage-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .advantage-card {
        background: #fff;
        padding: 34px;
        border-radius: 22px;
        border: 1px solid #f1f5f9;
        transition: 0.4s;
    }

    .advantage-card:hover {
        border-color: rgba(14, 165, 233, 0.3);
        transform: translateY(-6px);
        box-shadow: 0 20px 40px rgba(14, 165, 233, 0.12);
    }

    .advantage-num {
        font-size: 40px;
        font-weight: 800;
        background: linear-gradient(90deg, #0ea5e9, #10b981);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        margin-bottom: 14px;
    }

    .advantage-card h4 {
        font-size: 19px;
        margin-bottom: 12px;
        color: #0f172a;
    }

    .advantage-card p {
        color: #64748b;
        font-size: 14px;
    }

    /* 服务流程 */
    .process-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .process-item {
        background: #fff;
        padding: 30px 24px;
        border-radius: 20px;
        text-align: center;
        border: 1px solid #f1f5f9;
        transition: 0.4s;
    }

    .process-item:hover {
        border-color: rgba(14, 165, 233, 0.3);
    }

    .process-num {
        width: 52px;
        height: 52px;
        border-radius: 18px;
        background: linear-gradient(135deg, #0ea5e9, #10b981);
        color: #fff;
        font-size: 22px;
        font-weight: 700;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 18px;
    }

    .process-item h4 {
        font-size: 18px;
        margin-bottom: 10px;
        color: #0f172a;
    }

    .process-item p {
        color: #64748b;
        font-size: 14px;
    }

    /* 案例展示 */
    .case-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .case-card {
        border-radius: 22px;
        overflow: hidden;
        position: relative;
        box-shadow: 0 14px 34px rgba(0, 0, 0, 0.08);
        transition: 0.4s;
    }

    .case-card:hover {
        transform: translateY(-8px);
    }

    .case-card img {
        width: 100%;
        height: 280px;
        object-fit: cover;
        transition: 0.6s;
    }

    .case-card:hover img {
        transform: scale(1.08);
    }

    .case-overlay {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        padding: 24px;
        background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.82));
        color: #fff;
    }

    .case-overlay h4 {
        font-size: 20px;
        margin-bottom: 6px;
    }

    .case-overlay span {
        font-size: 13px;
        opacity: 0.85;
    }

    /* 客户评价 */
    .review-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .review-card {
        background: #fff;
        padding: 34px;
        border-radius: 22px;
        border: 1px solid #f1f5f9;
        transition: 0.4s;
    }

    .review-card:hover {
        box-shadow: 0 20px 40px rgba(14, 165, 233, 0.12);
        transform: translateY(-6px);
    }

    .review-text {
        color: #334155;
        margin-bottom: 20px;
        font-style: italic;
    }

    .review-user {
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .review-avatar {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: linear-gradient(135deg, #0ea5e9, #10b981);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-weight: 700;
    }

    .review-name {
        font-weight: 700;
        color: #0f172a;
    }

    .review-tag {
        font-size: 13px;
        color: #64748b;
    }

    /* 预约联系 */
    .contact-section {
        background:
            radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.16), transparent 30%),
            radial-gradient(circle at 80% 100%, rgba(16, 185, 129, 0.14), transparent 30%),
            linear-gradient(135deg, #f0f9ff, #ecfdf5);
        border-radius: 30px;
        padding: 70px;
        margin-top: 40px;
    }

    .contact-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    .contact-info h3 {
        font-size: 30px;
        margin-bottom: 20px;
        color: #0f172a;
    }

    .contact-info p {
        color: #475569;
        margin-bottom: 16px;
    }

    .contact-phone {
        margin-top: 24px;
        font-size: 24px;
        font-weight: 800;
        color: #0ea5e9;
        letter-spacing: 1px;
    }

    .contact-form {
        background: #fff;
        padding: 34px;
        border-radius: 24px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    }

    .contact-form h4 {
        font-size: 20px;
        margin-bottom: 20px;
        color: #0f172a;
    }

    .contact-form input,
    .contact-form textarea {
        width: 100%;
        padding: 14px 16px;
        border: 1px solid #e2e8f0;
        border-radius: 14px;
        margin-bottom: 14px;
        font-size: 14px;
        font-family: inherit;
        outline: none;
        transition: 0.3s;
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
        border-color: #0ea5e9;
        box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.12);
    }

    .contact-form textarea {
        min-height: 110px;
        resize: none;
    }

    /* 页脚 */
    .footer {
        background: #0f172a;
        color: #cbd5e1;
        padding: 70px 0 30px;
        margin-top: 90px;
    }

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

    .footer-about .logo {
        color: #fff;
        margin-bottom: 14px;
        display: inline-block;
    }

    .footer-about p {
        color: #94a3b8;
        font-size: 14px;
        margin-bottom: 16px;
    }

    .footer-title {
        color: #fff;
        font-size: 17px;
        margin-bottom: 20px;
        font-weight: 700;
    }

    .footer-links li {
        margin-bottom: 12px;
    }

    .footer-links a {
        color: #94a3b8;
        font-size: 14px;
        transition: 0.3s;
    }

    .footer-links a:hover {
        color: #0ea5e9;
    }

    .footer-bottom {
        border-top: 1px solid #1e293b;
        padding-top: 24px;
        text-align: center;
        color: #64748b;
        font-size: 13px;
    }

    /* 悬浮客服 */
    .float-service {
        position: fixed;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 998;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .float-item {
        width: 54px;
        height: 54px;
        background: linear-gradient(135deg, #0ea5e9, #10b981);
        color: #fff;
        border-radius: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        box-shadow: 0 14px 30px rgba(14, 165, 233, 0.35);
        transition: 0.3s;
    }

    .float-item:hover {
        transform: scale(1.08);
    }

    /* 回到顶部 */
    .back-top {
        position: fixed;
        right: 20px;
        bottom: 24px;
        width: 48px;
        height: 48px;
        background: #0ea5e9;
        color: #fff;
        border-radius: 14px;
        display: none;
        align-items: center;
        justify-content: center;
        z-index: 998;
        cursor: pointer;
        box-shadow: 0 10px 24px rgba(14, 165, 233, 0.35);
    }

    /* 滚动动画 */
    .fade-up {
        opacity: 0;
        transform: translateY(34px);
        transition: 0.8s ease;
    }

    .fade-up.visible {
        opacity: 1;
        transform: translateY(0);
    }

    /* 移动端 */
    @media (max-width: 960px) {
        .menu-toggle {
            display: flex;
        }

        .nav-menu {
            position: fixed;
            top: 78px;
            left: 0;
            width: 100%;
            background: #fff;
            flex-direction: column;
            gap: 0;
            padding: 10px 0 20px;
            box-shadow: 0 14px 24px rgba(0, 0, 0, 0.08);
            transform: translateY(-120%);
            transition: 0.4s;
        }

        .nav-menu.open {
            transform: translateY(0);
        }

        .nav-menu a {
            display: block;
            padding: 14px 24px;
            border-bottom: 1px solid #f1f5f9;
        }

        .hero-inner {
            grid-template-columns: 1fr;
        }

        .hero-image {
            max-width: 520px;
            margin: 0 auto;
        }

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

        .service-grid,
        .advantage-grid,
        .case-grid,
        .review-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .process-grid {
            grid-template-columns: repeat(2, 1fr);
        }

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

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

        .contact-section {
            padding: 40px 24px;
        }
    }

    @media (max-width: 640px) {
        .service-grid,
        .advantage-grid,
        .case-grid,
        .review-grid {
            grid-template-columns: 1fr;
        }

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

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

        .hero-card {
            left: 12px;
            bottom: 20px;
        }

        .float-service {
            display: none;
        }
    }