/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* PC/移动端显示控制 */
.sectionpc {
    display: block;
}

.sectionwap {
    display: none;
}

@media screen and (max-width: 768px) {
    .sectionpc {
        display: none !important;
    }
    .sectionwap {
        display: block;
    }
}

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

ul, ol {
    list-style: none;
}

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

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

/* 导航栏 - header.html使用 */
.common-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.common-header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.header-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.header-body .logo img {
    height: 36px;
}

.header-body .nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.header-body .nav .nav-item {
    position: relative;
    font-size: 14px;
    color: #333;
    font-weight: 500;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.header-body .nav .nav-item:hover {
    color: #0066cc;
    background: rgba(0, 102, 204, 0.05);
}

.header-body .nav .nav-item a {
    color: inherit;
    text-decoration: none;
}

.login-zone {
    display: flex;
    align-items: center;
    gap: 16px;
}

.login-zone .nav-link {
    font-size: 14px;
    color: #333;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.login-zone .nav-link:hover {
    color: #0066cc;
    background: rgba(0, 102, 204, 0.05);
}

.login-zone .button {
    padding: 8px 20px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
    border: 1px solid #0066cc;
    color: #0066cc;
}

.login-zone .button:hover {
    background: rgba(0, 102, 204, 0.05);
}

.login-zone .button.console {
    background: #0066cc;
    color: #fff;
    border-color: #0066cc;
}

.login-zone .button.console:hover {
    background: #0052a3;
}

.login-zone .register {
    font-size: 14px;
    color: #666;
}

/* 导航栏 - 旧版 main-nav */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.nav-logo img {
    height: 36px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: #333;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #0066cc;
    background: rgba(0, 102, 204, 0.05);
}

.nav-btn {
    background: #0066cc;
    color: #fff !important;
    padding: 8px 20px;
}

.nav-btn:hover {
    background: #0052a3 !important;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* header.html 产品下拉菜单 */
.nav-drop-down-wrap {
    position: relative;
}

.nav-drop-down-container {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.nav-drop-down-wrap:hover .nav-drop-down-container {
    display: block;
}

.nav-drop-down {
    display: flex;
    height: calc(100vh - 60px);
}

.left-menu-container {
    width: 280px;
    background: #f8f9fa;
    padding: 24px 0;
    overflow-y: auto;
}

.left-menu-container .menu-list {
    padding: 0 16px;
}

.left-menu-container .menu-list li {
    padding: 12px 16px;
    margin-bottom: 4px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 14px;
    color: #333;
}

.left-menu-container .menu-list li:hover {
    background: #e8f4fc;
    color: #0066cc;
}

.header-tab-content {
    flex: 1;
    background: #fff;
    padding: 24px;
    overflow-y: auto;
}

.header-tab-content .content-detail {
    display: none;
}

.header-tab-content .content-detail.active {
    display: block;
}

.drop-down-box {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.item-container {
    display: contents;
}

.item-link {
    display: block;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
    text-decoration: none;
}

.item-link:hover {
    border-color: #0066cc;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
}

.item-link .div_tag {
    display: inline-block;
    padding: 2px 8px;
    background: #ff6600;
    color: #fff;
    font-size: 12px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.item-link .prod_tag {
    font-size: 12px;
}

.item-link div a {
    display: block;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.item-link div a.desc {
    font-weight: normal;
    color: #999;
    font-size: 12px;
}

/* 下拉菜单 - 旧版 */
.nav-dropdown {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.nav-item:hover .nav-dropdown,
.has-dropdown:hover .nav-dropdown {
    display: flex;
}

.dropdown-left {
    width: 280px;
    background: #f8f9fa;
    padding: 24px 0;
}

.dropdown-menu {
    padding: 0 16px;
}

.dropdown-menu li {
    padding: 12px 16px;
    margin-bottom: 4px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 14px;
    color: #333;
}

.dropdown-menu li:hover,
.dropdown-menu li.active {
    background: #e8f4fc;
    color: #0066cc;
}

.dropdown-right {
    flex: 1;
    background: #fff;
    padding: 24px;
    overflow-y: auto;
}

.dropdown-content {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.dropdown-content.active {
    display: grid;
}

.dropdown-item {
    display: block;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    border-color: #0066cc;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
}

.dropdown-tag {
    display: inline-block;
    padding: 2px 8px;
    background: #ff6600;
    color: #fff;
    font-size: 12px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.dropdown-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.dropdown-desc {
    font-size: 12px;
    color: #999;
}

/* 语言切换 */
.locale-switch {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 14px;
    color: #333;
}

.locale-switch:hover {
    background: rgba(0, 102, 204, 0.05);
}

.locale-switch.open {
    background: #e8f4fc;
}

.locale-arrow {
    width: 12px;
    height: 12px;
    transition: transform 0.3s ease;
}

.locale-switch.open .locale-arrow {
    transform: rotate(180deg);
}

.locale-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    min-width: 140px;
    overflow: hidden;
}

.locale-switch.open .locale-dropdown {
    display: block;
}

.locale-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.locale-item:hover {
    background: #f8f9fa;
}

.locale-item.active {
    background: #e8f4fc;
}

.locale-flag {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.locale-flag.cn {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath fill='%23DE2910' d='M0 0h36v36H0z'/%3E%3Cpath fill='%23FFDE00' d='M18 2l1.7 5h5.6l-4.6 3.4 1.7 5.5-4.6-3.4-4.6 3.4 1.7-5.5-4.6-3.4h5.6L18 2z'/%3E%3C/svg%3E") no-repeat center center;
    background-size: cover;
}

.locale-flag.en {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath fill='%23012169' d='M0 0h36v36H0z'/%3E%3Cpath fill='%23FFF' d='M0 12h36M0 24h36M12 0v36M24 0v36'/%3E%3Cpath fill='%23C8102E' d='M6 6h6v6H6zm12 0h6v6h-6zm0 12h6v6h-6zm-12 0h6v6H6z'/%3E%3C/svg%3E") no-repeat center center;
    background-size: cover;
}

/* Banner区域 */
.banner-section {
    position: relative;
    min-height: 450px;
    padding-top: 60px;
    overflow: hidden;
}

.banner-bg {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 390px;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f4fc 100%);
}

.banner-logos {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.3;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(7, 1fr);
    height: 100%;
}

.logo-item {
    border: 1px solid rgba(0, 102, 204, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.5);
}

.banner-content {
    position: relative;
    z-index: 2;
    padding: 60px 0;
}

.banner-tags {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.banner-tag {
    padding: 6px 16px;
    background: linear-gradient(135deg, #0066cc 0%, #0099ff 100%);
    color: #fff;
    font-size: 12px;
    border-radius: 20px;
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    color: #333;
    margin-bottom: 16px;
    line-height: 1.2;
}

.banner-title .highlight {
    background: linear-gradient(135deg, #ff6600 0%, #ff9900 50%, #ff6600 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner-subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 24px;
}

.banner-btn {
    display: inline-block;
    padding: 12px 32px;
    background: #0066cc;
    color: #fff;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.banner-btn:hover {
    background: #0052a3;
    transform: translateY(-2px);
}

.banner-cube {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
}

.cube {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.8) 0%, rgba(255, 153, 0, 0.6) 100%);
    transform: rotateX(-20deg) rotateY(30deg);
    transform-style: preserve-3d;
    animation: rotateCube 10s infinite linear;
}

@keyframes rotateCube {
    0% { transform: rotateX(-20deg) rotateY(0deg); }
    100% { transform: rotateX(-20deg) rotateY(360deg); }
}

.cube::before,
.cube::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    background: inherit;
}

.cube::before {
    transform: rotateY(90deg) translateZ(60px);
    opacity: 0.8;
}

.cube::after {
    transform: rotateX(90deg) translateZ(60px);
    opacity: 0.6;
}

/* 快捷入口 */
.entry-section {
    padding: 40px 0;
    background: #fff;
}

.entry-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.entry-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 12px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.entry-card:hover {
    border-color: #0066cc;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.1);
}

.entry-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
}

.entry-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.entry-card p {
    font-size: 12px;
    color: #999;
}

/* 特性区域 */
.features-section {
    padding: 60px 0;
    background: #fff;
}

.section-head {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}

.section-desc {
    font-size: 14px;
    color: #999;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: #fff;
    padding: 24px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.feature-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
}

.feature-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.feature-tag {
    padding: 3px 10px;
    background: #f0f5ff;
    color: #0066cc;
    font-size: 12px;
    border-radius: 4px;
}

/* 合作伙伴 */
.partners-section {
    padding: 60px 0;
    background: #f8fafc;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.partner-item:hover {
    background: #e8f4fc;
}

.partner-item img {
    max-height: 40px;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.partner-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* CTA区域 */
.cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #0066cc 0%, #0099ff 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.03) 10px,
        rgba(255, 255, 255, 0.03) 20px
    );
}

.cta-title {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 28px;
    position: relative;
    z-index: 2;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    position: relative;
    z-index: 2;
}

.cta-btn {
    display: inline-block;
    padding: 12px 32px;
    background: #fff;
    color: #0066cc;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.cta-btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.cta-btn-outline:hover {
    background: #fff;
    color: #0066cc;
}

/* 底部 */
.footer {
    padding: 40px 0;
    background: #1a1a2e;
    color: #999;
}

.footer-container {
    display: flex;
    gap: 40px;
    margin-bottom: 28px;
}

.footer-left {
    width: 280px;
}

.footer-logo img {
    height: 36px;
    margin-bottom: 14px;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 18px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
}

.footer-links {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.footer-links dt {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 14px;
}

.footer-links dd {
    margin-bottom: 8px;
}

.footer-links a {
    font-size: 13px;
    color: #999;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #0099ff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
    font-size: 12px;
    color: #666;
}

.footer-copyright a {
    color: #666;
    margin-left: 8px;
}

.footer-copyright a:hover {
    color: #0099ff;
}

.footer-privacy {
    display: flex;
    gap: 20px;
}

.footer-privacy a {
    font-size: 12px;
    color: #666;
}

.footer-privacy a:hover {
    color: #0099ff;
}

/* 悬浮按钮 */
.support-bubble {
    position: fixed;
    right: 24px;
    bottom: 90px;
    width: 60px;
    height: 60px;
    background: #009ce0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: all 0.3s ease;
}

.support-bubble:hover {
    transform: scale(1.08);
    box-shadow: 0 10px 28px rgba(0, 156, 224, 0.35);
}

.support-bubble svg {
    width: 22px;
    height: 22px;
    fill: #fff;
}

/* 返回顶部按钮 */
.back-to-top {
    display: none;
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 44px;
    height: 44px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    z-index: 999;
    transition: all 0.3s ease;
    text-decoration: none;
    color: #333;
}

.back-to-top:hover {
    background: #009ce0;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 156, 224, 0.25);
}

/* 响应式设计 */
@media screen and (max-width: 1200px) {
    .wrapper {
        padding: 0 16px;
    }
    
    .entry-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .banner-cube {
        right: 5%;
    }
    
    .cube {
        width: 100px;
        height: 100px;
    }
    
    .cube::before,
    .cube::after {
        width: 100px;
        height: 100px;
    }
    
    .cube::before {
        transform: rotateY(90deg) translateZ(50px);
    }
    
    .cube::after {
        transform: rotateX(90deg) translateZ(50px);
    }
}

@media screen and (max-width: 768px) {
    .wrapper {
        padding: 0 16px;
    }

    /* 移动端头部导航 */
    .header-top {
        background: #fff;
        border-bottom: 1px solid #eee;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
    }

    .header-top .wrapper {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 56px;
    }

    .header-top .logo img {
        height: 32px;
    }

    .header-top-tools {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .header-top-tools .locale-switch {
        display: flex;
        align-items: center;
        gap: 4px;
        font-size: 13px;
        color: #333;
        cursor: pointer;
        padding: 4px 8px;
        border-radius: 4px;
        border: 1px solid #e0e0e0;
    }

    .header-top-tools .locale-switch .locale-arrow {
        width: 10px;
        height: 10px;
    }

    .header-top-tools .PersonalInformation_Fill {
        font-size: 13px;
        color: #0066cc;
        padding: 6px 12px;
        border: 1px solid #0066cc;
        border-radius: 4px;
        text-decoration: none;
    }

    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        gap: 5px;
        width: 24px;
        height: 20px;
        justify-content: center;
        cursor: pointer;
        padding: 4px;
    }

    .mobile-menu-btn i {
        display: block;
        width: 100%;
        height: 2px;
        background: #333;
        border-radius: 1px;
        transition: all 0.3s ease;
    }

    .mobile-menu-btn.active i:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active i:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active i:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .header-bottom {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        z-index: 99;
        display: none;
    }

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

    .nav-side {
        width: 140px;
        background: #f8f9fa;
        overflow-y: auto;
        padding: 8px 0;
    }

    .nav-side ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .nav-side ul li {
        padding: 12px 16px;
        cursor: pointer;
        font-size: 14px;
        color: #666;
        border-left: 3px solid transparent;
        transition: all 0.2s ease;
    }

    .nav-side ul li.active {
        color: #0066cc;
        background: #e8f4fc;
        border-left-color: #0066cc;
    }

    .nav-side-menu-item {
        text-decoration: none;
        color: inherit;
    }

    .nav-main {
        flex: 1;
        overflow-y: auto;
        padding: 16px;
    }

    .nav-main-item {
        display: none;
    }

    .nav-main-item.active {
        display: block;
    }

    .nav-main-title {
        padding: 8px 0;
        border-bottom: 1px solid #eee;
        margin-bottom: 12px;
    }

    .nav-main-title a {
        font-size: 16px;
        font-weight: 600;
        color: #333;
        text-decoration: none;
    }

    .nav-main-bd ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .sub-menu {
        margin-bottom: 8px;
    }

    .sub-menu-title {
        display: block;
        padding: 10px 12px;
        font-size: 14px;
        font-weight: 600;
        color: #333;
        text-decoration: none;
        background: #f8f9fa;
        border-radius: 4px;
        cursor: pointer;
    }

    .sub-menu-bd {
        display: none;
        padding: 4px 0 4px 16px;
    }

    .sub-menu-bd.open {
        display: block;
    }

    .sub-menu-bd dd {
        padding: 4px 0;
    }

    .sub-menu-bd dd a {
        font-size: 13px;
        color: #666;
        text-decoration: none;
    }

    .sub-menu-bd dd a:hover {
        color: #0066cc;
    }

    /* Banner 移动端 */
    .banner-section {
        padding-top: 56px;
        min-height: auto;
    }

    .banner-bg {
        min-height: 280px;
    }

    .banner-content {
        padding: 40px 0;
    }

    .banner-title {
        font-size: 24px;
        line-height: 1.4;
    }

    .banner-subtitle {
        font-size: 13px;
        margin-top: 8px;
    }

    .banner-tags {
        gap: 6px;
        margin-bottom: 12px;
    }

    .banner-tag {
        font-size: 11px;
        padding: 4px 10px;
    }

    .banner-btn {
        font-size: 13px;
        padding: 10px 28px;
        margin-top: 16px;
    }

    .banner-cube {
        display: none;
    }

    .logo-grid {
        grid-template-columns: repeat(5, 1fr);
        grid-template-rows: repeat(10, 1fr);
    }

    /* 快捷入口 移动端 */
    .entry-section {
        padding: 30px 0;
    }

    .entry-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .entry-card {
        padding: 16px 12px;
    }

    .entry-card .entry-icon {
        width: 36px;
        height: 36px;
        margin-bottom: 8px;
    }

    .entry-card h4 {
        font-size: 13px;
    }

    .entry-card p {
        font-size: 11px;
    }

    /* 特性区域 移动端 */
    .features-section {
        padding: 30px 0;
    }

    .section-head {
        margin-bottom: 24px;
    }

    .section-title {
        font-size: 22px;
    }

    .section-desc {
        font-size: 13px;
        margin-top: 8px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .feature-card {
        padding: 20px;
    }

    .feature-card .feature-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 12px;
    }

    .feature-card h4 {
        font-size: 15px;
    }

    .feature-card p {
        font-size: 12px;
    }

    .feature-tags {
        gap: 6px;
        margin-top: 10px;
    }

    .feature-tag {
        font-size: 10px;
        padding: 3px 8px;
    }

    /* 合作伙伴 移动端 */
    .partners-section {
        padding: 30px 0;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .partner-item {
        padding: 12px;
    }

    .partner-item img {
        max-height: 32px;
    }

    /* CTA 移动端 */
    .cta-section {
        padding: 36px 16px;
    }

    .cta-title {
        font-size: 18px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        margin-top: 20px;
    }

    .cta-btn {
        width: 100%;
        max-width: 200px;
        text-align: center;
        font-size: 15px;
        padding: 12px 0;
    }

    /* Footer 移动端 */
    .footer-section {
        padding: 30px 0 16px;
    }

    .footer-container {
        flex-direction: column;
        gap: 16px;
    }

    .footer-left {
        width: 100%;
        text-align: center;
    }

    .footer-logo {
        height: 28px;
        margin-bottom: 8px;
    }

    .footer-desc {
        font-size: 12px;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        width: 100%;
    }

    .footer-col h4 {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .footer-col a {
        font-size: 12px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        margin-top: 20px;
        font-size: 11px;
    }

    /* 悬浮按钮 移动端 */
    .support-bubble {
        width: 48px;
        height: 48px;
        right: 12px;
        bottom: 68px;
    }

    .support-bubble svg {
        width: 18px;
        height: 18px;
    }

    /* 返回顶部 移动端 */
    .back-to-top {
        width: 36px;
        height: 36px;
        right: 12px;
        bottom: 12px;
    }

    /* 语言切换 移动端 */
    .locale-dropdown {
        min-width: 120px;
    }

    .locale-item {
        padding: 10px 14px;
        font-size: 13px;
    }

    .locale-flag {
        width: 20px;
        height: 20px;
    }

    /* 旧版导航栏隐藏 */
    .nav-menu {
        display: none;
    }

    .nav-right {
        gap: 8px;
    }

    .nav-right .nav-link:not(.nav-btn) {
        display: none;
    }
}