/* 导航 */
.container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    z-index: 99;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: #165DFF;
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: white;
    font-weight: bold;
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
    color: #165DFF;
}

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

.nav-item {
    position: relative;
    padding: 10px 14px;
    cursor: pointer;
    font-weight: 500;
}

    .nav-item:hover > .dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

.nav-active {
    color: #165DFF;
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all 0.3s ease;
    z-index: 999;
    min-width: 240px;
}

.dropdown-product {
    min-width: 520px;
    padding: 20px;
}

.dropdown-flex {
    display: flex;
    gap: 20px;
}
.product-tabs {
    width: 160px;
    border-right: 1px solid #eee;
    padding-right: 12px;
}

.product-tab {
    padding: 10px 12px;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 4px;
    text-align: left;
    background: none;
    border: none;
    width: 100%;
    font-weight: 500;
    font-size:16px;
}

    .product-tab.active {
        background: #eef4ff;
        color: #165DFF;
    }

.product-content {
    flex: 1;
    display: none;
}

    .product-content.active {
        display: block;
    }

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    margin-bottom: 4px;
}

    .dropdown-link:hover {
        background: #f5f7ff;
    }

.icon {
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    border-radius: 4px;
    font-size: 14px;
    font-weight: bold;
}

.c1 {
    background: #E8F4FD;
    color: #0284C7;
    padding: 6px 8px;
    border-radius: 6px;
}

.c2 {
    background: #ECFDF5;
    color: #059669;
    padding: 6px 8px;
    border-radius: 6px;
}

.c3 {
    background: #FFFBEB;
    color: #D97706;
    padding: 6px 8px;
    border-radius: 6px;
}

.c4 {
    background: #F0F9FF;
    color: #0891B2;
    padding: 6px 8px;
    border-radius: 6px;
}

.c5 {
    background: #F5F3FF;
    color: #7C3AED;
    padding: 6px 8px;
    border-radius: 6px;
}

.c6 {
    background: #FFE4E6;
    color: #E11D48;
    padding: 6px 8px;
    border-radius: 6px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-login {
    padding: 4px 18px;
    border: 1px solid #165DFF;
    color: #165DFF;
    border-radius: 20px;
    background: white;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
}

.btn-demo {
    padding: 5px 18px;
    background: #165DFF;
    color: white;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
}

select {
    padding:8px 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    outline: none;
}

.menu-btn {
    display: none;
    font-size: 22px;
    background: none;
    border: none;
    cursor: pointer;
}

/* 移动端菜单 - 优化：占满全屏 + 最大宽度400px */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: white;
    box-shadow: 0 0 50px rgba(0,0,0,0.2);
    z-index: 9999;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

    .mobile-menu.open {
        transform: translateX(0);
    }

.mobile-header {
    padding: 16px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-item {
    padding: 16px;
    border-bottom: 1px solid #eee;
}

.mobile-dropdown-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background: none;
    border: none;
    font-weight: 500;
    font-size: 16px;
    padding: 0;
    cursor: pointer;
}

.mobile-submenu {
    padding: 12px 0 0 20px;
    display: none;
}

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

    .mobile-submenu a {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 0;
        color: #444;
        text-decoration: none;
    }

.mobile-category {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    padding: 8px 0;
    cursor: pointer;
}

.mobile-category-content {
    padding-left: 12px;
    display: none;
}

    .mobile-category-content.open {
        display: block;
    }

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9998;
    display: none;
}

    .overlay.show {
        display: block;
    }


    /*浮动条*/
/* 浮动咨询条样式 */
.float-sidebar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.float-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    position: relative;
}

.float-wechat {
    background: linear-gradient(135deg, #07c160 0%, #09b05c 100%);
}

.float-chat {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
}

.float-service {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
}

.float-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.float-tooltip {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.float-btn:hover .float-tooltip {
    opacity: 1;
}

/* 新增：浮动侧边栏二维码样式 */
.qrcode-popup {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
    text-align: center;
    width: 150px;
}

    .qrcode-popup img {
        width: 120px;
        height: 120px;
        display: block;
        margin-bottom: 8px;
    }

    .qrcode-popup p {
        font-size: 12px;
        color: var(--text-dark);
        margin: 0;
    }

    .qrcode-popup::after {
        content: '';
        position: absolute;
        top: 50%;
        right: -8px;
        transform: translateY(-50%);
        border: 8px solid transparent;
        border-left-color: white;
    }

.float-btn:hover .qrcode-popup {
    opacity: 1;
    visibility: visible;
}

/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    height: 80%;
    max-height: 600px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-content-kefu {
    background: white;
    border-radius: 8px;
    width: 90%;
    max-width: 800px;
    height: 80%;
    max-height: 714px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 15px 20px;
    background: #1a73e8;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 35px;
    cursor: pointer;
    padding: 0;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    height: calc(100% - 60px);
    overflow: auto;
}

.modal-body-kefu {
    height: calc(100% - 90px);
    overflow: hidden;
}

.modal-iframe {
    width: 100%;
    height: 100%;
    border: none;
}


/*底部*/
.btn {
    display: inline-block;
    padding: 3px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 15px;
    border: 1px solid #0092ff;
    text-decoration:none
    
}


.btn-primary {
    background-color: #3495ff;
    color: white;
}

    .btn-primary:hover {
        background-color: #1a73e8;
        transform: translateY(-2px);
    }

.btn-outline {
    background-color: transparent;
    color: #165DFF;
}

    .btn-outline:hover {
        background-color: #1a73e8;
        color: white;
    }
#footer {
    background: var(--white);
    color: var(--text-dark);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
}

.footer-title {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--dark-blue);
}

.footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding: 20px 20px 0;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.language-selector {
    position: relative;
    width: 140px;
}

.selector-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 10px 15px;
    background-color: white;
    border: none;
    border-radius: 5px;
    color: var(--text-color);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: all var(--transition-speed) ease;
}

    .selector-button:hover {
        background-color: #f1f3f4;
        transform: translateY(-2px);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    }

    .selector-button:focus {
        outline: none;
        box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.3);
    }

    .selector-button::after {
        content: "▼";
        font-size: 12px;
        margin-left: 8px;
        transition: transform var(--transition-speed) ease;
    }

    .selector-button.active::after {
        transform: rotate(180deg);
    }

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    opacity: 0;
    transition: all var(--transition-speed) ease;
    z-index: 10;
}

    .language-dropdown.active {
        max-height: 300px;
        opacity: 1;
    }

.language-option {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

    .language-option:hover {
        background-color: #f1f3f4;
        color: var(--primary-color);
    }

    .language-option.selected {
        background-color: #e8f0fe;
        color: var(--primary-color);
        font-weight: 600;
    }

    .language-option:first-child {
        border-top-left-radius: var(--border-radius);
        border-top-right-radius: var(--border-radius);
    }

    .language-option:last-child {
        border-bottom-left-radius: var(--border-radius);
        border-bottom-right-radius: var(--border-radius);
    }

.language-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

    .language-selector select {
        padding: 8px 12px;
        border: 1px solid rgba(0,0,0,0.2);
        border-radius: 4px;
        background: var(--white);
    }
.social-icons {
    display: flex;
    gap: 15px;
}

    .social-icons a {
        color: var(--text-light);
        font-size: 20px;
        transition: color 0.3s;
    }

        .social-icons a:hover {
            color: var(--primary-blue);
        }

.app-download {
    display: flex;
    gap: 15px;
    position: relative;
}

/* 修改：下载按钮不同颜色 */
.download-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 20px;
    border-radius: 8px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border: none;
    font-weight: 500;
}

.download-btn-android {
    background: linear-gradient(135deg, #000 0%, #101010 100%);
}

.download-btn-ios {
    background: linear-gradient(135deg, #000 0%, #131313 100%);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.download-btn i {
    font-size: 24px;
}
/* 响应式 */
@media (max-width: 1024px) {
    .feature-grid, .func-grid, .data-grid, .client-grid {
        grid-template-columns: repeat(2,1fr);
    }

    .tab-content.active {
        flex-direction: column;
    }

    .nav-menu {
        display: none;
    }

    .nav-right {
        display: none;
    }

    .menu-btn {
        display: block;
    }
}
/* 新增：电脑端悬浮二维码 */
.qrcode-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
    margin-bottom: 10px;
}

.download-btn:hover .qrcode-tooltip {
    opacity: 1;
    visibility: visible;
}

.qrcode-tooltip img {
    width: 120px;
    height: 120px;
    display: block;
}

.qrcode-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: white;
}

.copyright {
    width: 100%;
    text-align: center;
    margin-top: 20px;
    color: var(--text-light);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
 
   

    .auth-buttons {
        display: none;
    }

    .banner-title {
        font-size: 36px;
    }

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

    .intro-item {
        flex-direction: column !important;
        padding: 40px 15px;
        max-width: 100%;
    }

    .intro-image {
        min-height: 200px;
        width: 100%;
        max-width: 100%;
        order: 1;
    }

    .intro-content {
        order: 2;
        padding: 30px 0;
        max-width: 100%;
    }

    .float-tooltip, .qrcode-popup {
        display: none;
    }

    /* 修改：移动端底部footer-column一排显示两行 */
    .footer-container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .footer-column {
        min-width: auto;
        flex: none;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .app-download {
        justify-content: center;
    }

    .btn-pc {
        display: none;
    }

    /* 移动端浮动条样式调整 */
    .float-sidebar {
        right: 10px;
        bottom: 20px;
        top: auto;
        transform: none;
        flex-direction: row;
    }

    .float-btn {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }

    .float-tooltip {
        display: none;
    }

   
}
#footer {
    padding: 80px 0px 0px;
    position: relative;
    background: #f9f9f9;
}

.containerfooter {
    width: 100%;
    max-width: 1340px;
    padding: 10px 50px;
    margin: 0 auto;
}

footer {
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-brand {
    flex: 1;
    min-width: 300px;
    margin-bottom: 30px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

    .footer-logo img {
        width: 150px;
    }

.footer-desc {
    color: #000;
    max-width: 300px;
    margin-bottom: 20px;
}

.footer-links {
    flex: 2;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-column {
    min-width: 150px;
    margin-bottom: 30px;
}

    .footer-column h3 {
        font-size: 1.2rem;
        margin-bottom: 20px;
        font-weight: 600;
    }

    .footer-column ul li {
        margin-bottom: 12px;
        list-style-type:none;
       
     
    }

        .footer-column ul li img {
            width: 20px;
            position: relative;
            margin-right: 5px;
            top: 5px;
        }

        .footer-column ul li a {
            color: #385777;
            transition: var(--transition);
            text-decoration: none
        }

            .footer-column ul li a:hover {
                color: var(--primary-color);
            }

.partners {
    padding: 40px 0;
    border-top: 1px solid #2a2a3e;
    border-bottom: 1px solid #2a2a3e;
}

.partners-title {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.2rem;
    color: #aaa;
}

.partner-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.partner-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ccc;
    opacity: 0.7;
    transition: var(--transition);
}

    .partner-logo:hover {
        opacity: 1;
    }

.copyright {
    text-align: center;
    padding-top: 30px;
    color: 777;
    font-size: 0.9rem;
}