* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    :root {
        --primary: #6C5CE7;
        --primary-dark: #5A4BD1;
        --secondary: #00B894;
        --accent: #FDCB6E;
        --bg-light: #F8F9FE;
        --text-dark: #2D3436;
        --text-gray: #636E72;
        --white: #FFFFFF;
        --shadow: 0 8px 30px rgba(108, 92, 231, 0.12);
        --radius: 16px;
        --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font: 'Segoe UI', 'PingFang SC', Roboto, 'Helvetica Neue', sans-serif;
    }
    body {
        font-family: var(--font);
        background-color: var(--bg-light);
        color: var(--text-dark);
        line-height: 1.6;
    }
    a {
        text-decoration: none;
        color: inherit;
    }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }
    /* ===== 顶部工具栏 ===== */
    .top-bar {
        background: #1E272E;
        color: #DFE6E9;
        font-size: 0.85rem;
        padding: 8px 0;
        border-bottom: 1px solid #2d3a41;
    }
    .top-bar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
    }
    .top-bar .left span {
        margin-right: 20px;
        display: inline-block;
    }
    .top-bar .left span i {
        margin-right: 6px;
        color: var(--accent);
    }
    .top-bar .right a {
        color: #DFE6E9;
        margin-left: 18px;
        transition: var(--transition);
    }
    .top-bar .right a:hover {
        color: var(--accent);
    }
    .top-bar .right a i {
        margin-right: 5px;
    }
    .lang-select {
        background: #2d3a41;
        border: 1px solid #3d4a52;
        color: #DFE6E9;
        padding: 2px 10px;
        border-radius: 4px;
        font-size: 0.8rem;
        cursor: pointer;
        outline: none;
    }
    /* ===== 主头部 ===== */
    .main-header {
        background: var(--white);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        position: sticky;
        top: 0;
        z-index: 100;
    }
    .main-header .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 72px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .logo img {
        height: 40px;
        width: auto;
    }
    .logo span {
        font-weight: 700;
        font-size: 1.5rem;
        color: var(--primary);
        letter-spacing: -0.5px;
    }
    .main-nav {
        display: flex;
        gap: 28px;
        font-weight: 500;
    }
    .main-nav a {
        color: var(--text-dark);
        transition: var(--transition);
        position: relative;
        padding: 4px 0;
    }
    .main-nav a::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--primary);
        transition: var(--transition);
    }
    .main-nav a:hover {
        color: var(--primary);
    }
    .main-nav a:hover::after {
        width: 100%;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    .header-actions .btn-outline {
        border: 1.5px solid var(--primary);
        color: var(--primary);
        padding: 6px 18px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .header-actions .btn-outline:hover {
        background: var(--primary);
        color: var(--white);
    }
    .header-actions .btn-solid {
        background: var(--primary);
        color: var(--white);
        padding: 6px 22px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .header-actions .btn-solid:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(108, 92, 231, 0.35);
    }
    /* ===== 横幅轮播 ===== */
    .hero {
        padding: 30px 0 20px;
    }
    .hero-carousel {
        position: relative;
        overflow: hidden;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        background: var(--white);
        height: 320px;
    }
    .carousel-slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        transition: opacity 0.8s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
        color: var(--white);
        padding: 40px;
        text-align: center;
    }
    .carousel-slide.active {
        opacity: 1;
    }
    .carousel-slide h2 {
        font-size: 2.2rem;
        font-weight: 700;
        margin-bottom: 12px;
        letter-spacing: -0.5px;
    }
    .carousel-slide p {
        font-size: 1.1rem;
        opacity: 0.9;
        max-width: 600px;
        margin: 0 auto 20px;
    }
    .carousel-slide .btn-white {
        background: var(--white);
        color: var(--primary);
        padding: 10px 32px;
        border-radius: 40px;
        font-weight: 600;
        display: inline-block;
        transition: var(--transition);
    }
    .carousel-slide .btn-white:hover {
        transform: scale(1.04);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    }
    .carousel-dots {
        position: absolute;
        bottom: 18px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        gap: 10px;
        z-index: 2;
    }
    .carousel-dots span {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.5);
        cursor: pointer;
        transition: var(--transition);
    }
    .carousel-dots span.active {
        background: var(--white);
        transform: scale(1.2);
    }
    /* ===== 快速入口图标区 ===== */
    .quick-icons {
        padding: 30px 0;
    }
    .quick-icons .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 20px;
        background: var(--white);
        border-radius: var(--radius);
        padding: 30px 20px;
        box-shadow: var(--shadow);
    }
    .quick-icons .grid-item {
        text-align: center;
        transition: var(--transition);
        cursor: pointer;
        padding: 10px 4px;
        border-radius: 12px;
    }
    .quick-icons .grid-item:hover {
        background: #F0EEFF;
        transform: translateY(-4px);
    }
    .quick-icons .grid-item i {
        font-size: 2.2rem;
        color: var(--primary);
        display: block;
        margin-bottom: 8px;
    }
    .quick-icons .grid-item span {
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--text-dark);
    }
    /* ===== 三大服务卡片 ===== */
    .services {
        padding: 30px 0 40px;
    }
    .services .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
    }
    .service-card {
        background: var(--white);
        border-radius: var(--radius);
        padding: 32px 24px 28px;
        box-shadow: var(--shadow);
        transition: var(--transition);
        text-align: center;
        border: 1px solid rgba(108, 92, 231, 0.06);
        position: relative;
        overflow: hidden;
    }
    .service-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: var(--primary);
        transform: scaleX(0);
        transform-origin: left;
        transition: var(--transition);
    }
    .service-card:hover::before {
        transform: scaleX(1);
    }
    .service-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 12px 40px rgba(108, 92, 231, 0.18);
    }
    .service-card .icon {
        font-size: 3rem;
        color: var(--primary);
        margin-bottom: 16px;
        display: inline-block;
        background: #F0EEFF;
        width: 72px;
        height: 72px;
        line-height: 72px;
        border-radius: 50%;
    }
    .service-card h3 {
        font-size: 1.5rem;
        margin-bottom: 12px;
    }
    .service-card p {
        color: var(--text-gray);
        font-size: 0.95rem;
        margin-bottom: 20px;
        line-height: 1.7;
    }
    .service-card .btn-service {
        display: inline-block;
        background: var(--primary);
        color: var(--white);
        padding: 8px 28px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .service-card .btn-service:hover {
        background: var(--primary-dark);
        transform: scale(1.02);
    }
    /* ===== 客户中心 + 公告 ===== */
    .info-section {
        padding: 30px 0 50px;
    }
    .info-grid {
        display: grid;
        grid-template-columns: 1fr 1fr 1.5fr;
        gap: 30px;
    }
    .info-box {
        background: var(--white);
        border-radius: var(--radius);
        padding: 24px 22px;
        box-shadow: var(--shadow);
    }
    .info-box h4 {
        font-size: 1.2rem;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--primary);
    }
    .info-box h4 i {
        font-size: 1.4rem;
    }
    .contact-list {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
    }
    .contact-list a {
        display: flex;
        align-items: center;
        gap: 8px;
        background: #F0EEFF;
        padding: 8px 16px;
        border-radius: 30px;
        font-weight: 500;
        font-size: 0.9rem;
        transition: var(--transition);
        color: var(--text-dark);
    }
    .contact-list a:hover {
        background: var(--primary);
        color: var(--white);
        transform: translateY(-2px);
    }
    .contact-list a i {
        font-size: 1.2rem;
        color: var(--primary);
    }
    .contact-list a:hover i {
        color: var(--white);
    }
    .tracking-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .tracking-list a {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px 14px;
        border-radius: 10px;
        background: #F8F9FE;
        transition: var(--transition);
        font-weight: 500;
    }
    .tracking-list a:hover {
        background: var(--primary);
        color: var(--white);
    }
    .tracking-list a i {
        font-size: 1.4rem;
        width: 30px;
        text-align: center;
        color: var(--primary);
    }
    .tracking-list a:hover i {
        color: var(--white);
    }
    .notice-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .notice-list .item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border-bottom: 1px solid #eee;
        font-size: 0.9rem;
    }
    .notice-list .item:last-child {
        border-bottom: none;
    }
    .notice-list .item a {
        color: var(--text-dark);
        transition: var(--transition);
        flex: 1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        margin-right: 12px;
    }
    .notice-list .item a:hover {
        color: var(--primary);
    }
    .notice-list .item .date {
        color: var(--text-gray);
        font-size: 0.8rem;
        white-space: nowrap;
    }
    .more-link {
        display: inline-block;
        margin-top: 12px;
        font-weight: 600;
        color: var(--primary);
    }
    .more-link i {
        margin-left: 4px;
        transition: var(--transition);
    }
    .more-link:hover i {
        transform: translateX(4px);
    }
    /* ===== 底部 ===== */
    .footer {
        background: #1E272E;
        color: #BDC3C7;
        padding: 40px 0 20px;
        margin-top: 20px;
    }
    .footer .container {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer .footer-links {
        display: flex;
        gap: 28px;
        flex-wrap: wrap;
        justify-content: center;
        margin-bottom: 18px;
    }
    .footer .footer-links a {
        color: #BDC3C7;
        transition: var(--transition);
        font-weight: 500;
    }
    .footer .footer-links a:hover {
        color: var(--accent);
    }
    .footer .footer-info {
        font-size: 0.85rem;
        line-height: 1.8;
        max-width: 800px;
    }
    .footer .footer-info span {
        display: inline-block;
        margin: 0 6px;
    }
    .footer .copyright {
        margin-top: 16px;
        font-size: 0.8rem;
        opacity: 0.7;
    }
    /* ===== 响应式 ===== */
    @media (max-width: 992px) {
        .main-nav {
            display: none;
        }
        .info-grid {
            grid-template-columns: 1fr;
        }
    }
    @media (max-width: 768px) {
        .top-bar .left span {
            display: none;
        }
        .top-bar .right a {
            margin-left: 12px;
            font-size: 0.8rem;
        }
        .hero-carousel {
            height: 240px;
        }
        .carousel-slide h2 {
            font-size: 1.6rem;
        }
        .carousel-slide p {
            font-size: 0.95rem;
        }
        .services .grid {
            grid-template-columns: 1fr;
        }
        .quick-icons .grid {
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            padding: 20px 12px;
        }
        .quick-icons .grid-item i {
            font-size: 1.8rem;
        }
        .header-actions .btn-outline,
        .header-actions .btn-solid {
            padding: 4px 14px;
            font-size: 0.8rem;
        }
    }
    @media (max-width: 480px) {
        .quick-icons .grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .logo span {
            font-size: 1.2rem;
        }
    }
    /* ===== 辅助 ===== */
    .text-center {
        text-align: center;
    }
    .mt-1 {
        margin-top: 10px;
    }
    .mb-1 {
        margin-bottom: 10px;
    }
    .highlight {
        color: var(--primary);
        font-weight: 600;
    }
    .badge {
        background: var(--accent);
        color: #1E272E;
        padding: 2px 12px;
        border-radius: 30px;
        font-size: 0.75rem;
        font-weight: 600;
    }


        /* ===== 新增：物流代理悬停弹出菜单 ===== */

        /* 导航中的物流代理 */
        .nav-popup-wrapper {
            position: relative;
            display: inline-flex;
            cursor: default;
        }

        .nav-popup-wrapper .nav-link {
            color: var(--text-dark);
            transition: var(--transition);
            position: relative;
            padding: 4px 0;
            cursor: pointer;
        }

        .nav-popup-wrapper .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }

        .nav-popup-wrapper:hover .nav-link {
            color: var(--primary);
        }

        .nav-popup-wrapper:hover .nav-link::after {
            width: 100%;
        }

        .nav-popup-wrapper .nav-popup-menu {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%) scale(0.92);
            background: #ffffff;
            border-radius: 20px;
            box-shadow: 0 16px 48px rgba(0, 20, 40, 0.16), 0 4px 12px rgba(0, 0, 0, 0.04);
            padding: 0.5rem 0.2rem;
            min-width: 210px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: 0.2s cubic-bezier(0.22, 1, 0.36, 1);
            border: 1px solid rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(4px);
            z-index: 1000;
        }

        .nav-popup-wrapper .nav-popup-menu::before {
            content: '';
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            border: 8px solid transparent;
            border-bottom-color: #ffffff;
            filter: drop-shadow(0 -2px 4px rgba(0, 0, 0, 0.03));
        }

        .nav-popup-wrapper:hover .nav-popup-menu {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) scale(1);
        }

        /* 服务卡片中的物流代理 */
        .service-card.logistics-wrapper {
            position: relative;
            overflow: visible !important;
        }

        .logistics-popup {
            position: absolute;
            bottom: calc(100% + 16px);
            left: 50%;
            transform: translateX(-50%) scale(0.92);
            background: #ffffff;
            border-radius: 20px;
            box-shadow: 0 16px 48px rgba(0, 20, 40, 0.16), 0 4px 12px rgba(0, 0, 0, 0.04);
            padding: 0.5rem 0.2rem;
            min-width: 210px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: 0.2s cubic-bezier(0.22, 1, 0.36, 1);
            border: 1px solid rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(4px);
            z-index: 1000;
        }

        .logistics-popup::after {
            content: '';
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            border: 8px solid transparent;
            border-top-color: #ffffff;
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.03));
        }

        .service-card.logistics-wrapper:hover .logistics-popup {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) scale(1);
        }

        /* 弹出菜单项通用 */
        .nav-popup-menu .popup-item,
        .logistics-popup .popup-item {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.6rem 1.2rem;
            border-radius: 14px;
            margin: 0.2rem 0.4rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #0b1b33;
            transition: 0.12s;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-popup-menu .popup-item i,
        .logistics-popup .popup-item i {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #eaf1fe;
            border-radius: 10px;
            color: #1a5cff;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .nav-popup-menu .popup-item:hover,
        .logistics-popup .popup-item:hover {
            background: #eaf1fe;
        }

        .nav-popup-menu .popup-item .sub-hint,
        .logistics-popup .popup-item .sub-hint {
            font-size: 0.65rem;
            font-weight: 400;
            color: #6a7e9e;
            margin-left: auto;
        }

        .nav-popup-menu .popup-divider,
        .logistics-popup .popup-divider {
            height: 1px;
            background: #eef2f8;
            margin: 0.2rem 0.8rem;
        }

        /* Toast 通知 */
        .toast {
            position: fixed;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%) translateY(80px);
            background: #1f2e4a;
            color: #f0f4ff;
            padding: 0.7rem 2rem;
            border-radius: 60px;
            font-size: 0.9rem;
            font-weight: 500;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
            opacity: 0;
            transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
            pointer-events: none;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 9999;
        }

        .toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0px);
        }

        .toast i {
            margin-right: 0.5rem;
        }

        /* 响应式适配 */
        @media (max-width: 640px) {
            .nav-popup-wrapper .nav-popup-menu {
                min-width: 170px;
                left: 50%;
                transform: translateX(-50%) scale(0.92);
            }
            .nav-popup-wrapper:hover .nav-popup-menu {
                transform: translateX(-50%) scale(1);
            }
            .logistics-popup {
                min-width: 170px;
                left: 50%;
                transform: translateX(-50%) scale(0.92);
            }
            .service-card.logistics-wrapper:hover .logistics-popup {
                transform: translateX(-50%) scale(1);
            }
        }