/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul, ol {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部导航 */
.header {
    background-color: #000;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 70px;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text small {
    font-size: 10px;
    font-weight: normal;
    opacity: 0.7;
    letter-spacing: 1px;
}

.nav {
    display: flex;
    height: 100%;
}

.nav ul {
    display: flex;
    height: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav ul li {
    height: 100%;
}

.nav ul a {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 30px;
    color: #fff;
    font-size: 15px;
    position: relative;
}

.nav ul a:hover,
.nav ul a.active {
    color: #fff;
}

.nav ul a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background-color: #1a56db;
    transition: width 0.3s ease;
}

.nav ul a:hover::after,
.nav ul a.active::after {
    width: 60%;
}

/* ========================================
   汉堡菜单按钮（默认隐藏，仅移动端显示）
   ======================================== */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    transition: all 0.3s ease;
}

.menu-toggle .menu-bar {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

/* 汉堡动画：变成叉号 */
.menu-toggle.active .menu-bar:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
}

.menu-toggle.active .menu-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.active .menu-bar:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
}

/* Banner轮播 */
.banner {
    margin-top: 70px;
    position: relative;
    height: 500px;
    overflow: hidden;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    background-size: cover;
    background-position: center;
    background-color: #1a1a2e;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.4) 100%);
}

.banner-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}

.banner-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.banner-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.banner-btn {
    display: inline-block;
    padding: 12px 40px;
    background-color: #1a56db;
    color: #fff;
    font-size: 16px;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.banner-btn:hover {
    background-color: #1544a8;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(26, 86, 219, 0.4);
}

.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner-dot.active {
    background-color: #fff;
    width: 30px;
    border-radius: 6px;
}

/* 通用板块标题 */
.section {
    padding: 80px 0;
}

.section-gray {
    background-color: #f5f7fa;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: #222;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title h2::before {
    content: attr(data-en);
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 48px;
    color: #e8e8e8;
    font-weight: bold;
    font-style: italic;
    z-index: -1;
    white-space: nowrap;
}

.section-title p {
    font-size: 14px;
    color: #888;
    letter-spacing: 2px;
}

/* 服务/产品卡片 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* ========================================
   业务介绍卡片（完整替换）
   ======================================== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

/* 正方形图片容器 - 白底 */
.service-card-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: #ffffff;     /* 白底 */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 图片本身：完整显示，不裁剪 */
.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain !important;   /* 加 !important 强制覆盖 */
    object-position: center;
    transition: transform 0.5s ease;
    display: block;
}

.service-card:hover .service-card-image img {
    transform: scale(1.05);
}

.service-card-body {
    padding: 20px 24px 24px 24px;
}

.service-card-body h3 {
    font-size: 18px;
    color: #222;
    margin-bottom: 10px;
    text-align: center;
}

.service-card-body p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin: 0;
    text-align: left;
}

/* 响应式 */
@media (max-width: 1024px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
    .service-card-image {
        aspect-ratio: 1 / 1;
    }
}

/* 产品/案例网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.product-image {
    position: relative;
    height: 240px;
    overflow: hidden;
    background-color: #f0f0f0;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 18px;
    color: #222;
    margin-bottom: 10px;
}

.product-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-more {
    display: inline-block;
    color: #1a56db;
    font-size: 14px;
    position: relative;
    padding-right: 20px;
}

.product-more::after {
    content: '→';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
}

.product-more:hover::after {
    right: -5px;
}

/* 关于我们板块 */
.about-section {
    position: relative;
    background-color: #f5f7fa;
    overflow: hidden;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.about-text h2 {
    font-size: 32px;
    color: #222;
    margin-bottom: 20px;
}

.about-text h2 small {
    display: block;
    font-size: 14px;
    color: #1a56db;
    font-weight: normal;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.about-text p {
    font-size: 15px;
    color: #555;
    line-height: 2;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #1a56db;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: #666;
}

/* 新闻板块 */
.news-section {
    background-color: #f5f7fa;
}

.news-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.news-featured {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 100%;
    min-height: 400px;
}

.news-featured img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: #fff;
}

.news-featured-overlay h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.news-featured-overlay .date {
    font-size: 13px;
    opacity: 0.8;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.news-item:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transform: translateX(5px);
}

.news-item-image {
    width: 150px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
    background-color: #f0f0f0;
}

.news-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-item-content h3 {
    font-size: 16px;
    color: #222;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.news-item:hover .news-item-content h3 {
    color: #1a56db;
}

.news-item-content p {
    font-size: 13px;
    color: #888;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item-content .date {
    font-size: 12px;
    color: #aaa;
}

/* 右侧悬浮工具栏 */
.float-toolbar {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    background-color: #1a56db;
    border-radius: 4px 0 0 4px;
    overflow: hidden;
}

.float-toolbar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    color: #fff;
    font-size: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    transition: background-color 0.3s ease;
}

.float-toolbar a:last-child {
    border-bottom: none;
}

.float-toolbar a:hover {
    background-color: #1544a8;
}

.float-toolbar .icon {
    font-size: 20px;
    margin-bottom: 4px;
}

.back-to-top {
    cursor: pointer;
}

/* 页脚 */
.footer {
    background-color: #1a1a2e;
    color: #999;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: #1a56db;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: #999;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #1a56db;
}

.footer-contact li {
    margin-bottom: 15px;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact .icon {
    color: #1a56db;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-qrcode {
    width: 120px;
    height: 120px;
    background-color: #fff;
    padding: 10px;
    border-radius: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
}

.footer-bottom p {
    margin-bottom: 5px;
}

/* 内页Banner */
.page-banner {
    margin-top: 70px;
    height: 300px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-banner-content {
    position: relative;
    z-index: 2;
}

.page-banner h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.page-banner p {
    font-size: 16px;
    opacity: 0.8;
}

/* 面包屑 */
.breadcrumb {
    padding: 20px 0;
    background-color: #f5f7fa;
    border-bottom: 1px solid #eee;
}

.breadcrumb-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #666;
}

.breadcrumb a:hover {
    color: #1a56db;
}

.breadcrumb .separator {
    margin: 0 10px;
    color: #ccc;
}

.breadcrumb .current {
    color: #333;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 50px;
}

.pagination a,
.pagination .page-current,
.pagination .page-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.pagination a {
    background-color: #f5f7fa;
    color: #666;
}

.pagination a:hover {
    background-color: #1a56db;
    color: #fff;
}

.pagination .page-current {
    background-color: #1a56db;
    color: #fff;
    font-weight: bold;
}

.pagination .page-dots {
    color: #999;
}

/* 详情页 */
.detail-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 20px;
}

.detail-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.detail-header h1 {
    font-size: 28px;
    color: #222;
    margin-bottom: 15px;
    line-height: 1.4;
}

.detail-meta {
    font-size: 14px;
    color: #999;
}

.detail-meta span {
    margin: 0 10px;
}

.detail-body {
    font-size: 16px;
    line-height: 2;
    color: #444;
}

.detail-body p {
    margin-bottom: 20px;
}

.detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
}

.detail-body h2,
.detail-body h3 {
    margin: 30px 0 15px;
    color: #222;
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 28px;
    color: #222;
    margin-bottom: 30px;
}

.contact-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.contact-info-list li:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a56db, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 16px;
    color: #222;
    margin-bottom: 5px;
}

.contact-text p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

.contact-form h3 {
    font-size: 22px;
    color: #222;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: #1a56db;
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background-color: #1a56db;
    color: #fff;
}

.btn-primary:hover {
    background-color: #1544a8;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(26, 86, 219, 0.4);
}

/* ========================================
   响应式布局
   ======================================== */

/* ----- 平板（1024px 以下） ----- */
@media (max-width: 1024px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   移动端（768px 以下）- 汉堡菜单 + 响应式
   ======================================== */
@media (max-width: 768px) {
    /* ---- 导航 ---- */
    .header {
        height: 60px;
    }
    
    .header-inner {
        padding: 0 16px;
        position: relative;
    }
    
    /* 显示汉堡按钮 */
    .menu-toggle {
        display: flex;
    }
    
    /* 导航变为滑出式菜单 */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: #0a0a1a;
        padding: 70px 30px 30px;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        overflow-y: auto;
        box-shadow: -4px 0 30px rgba(0, 0, 0, 0.3);
    }
    
    .nav.open {
        right: 0;
    }
    
    /* 菜单打开时，禁止页面滚动 */
    body.menu-open {
        overflow: hidden;
    }
    
    /* 遮罩层 */
    body.menu-open::after {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        animation: fadeIn 0.3s ease;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    .nav ul {
        flex-direction: column;
        height: auto;
        gap: 0;
    }
    
    .nav ul li {
        height: auto;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    
    .nav ul a {
        padding: 14px 0;
        font-size: 16px;
        height: auto;
        justify-content: flex-start;
        color: rgba(255, 255, 255, 0.8);
    }
    
    .nav ul a:hover,
    .nav ul a.active {
        color: #fff;
    }
    
    .nav ul a::after {
        display: none;
    }
    
    /* ---- Logo ---- */
    .logo {
        font-size: 16px;
    }
    .logo img {
        height: 32px;
        max-width: 140px;
        margin-right: 8px;
    }
    .logo-text small {
        font-size: 9px;
    }
    
    /* ---- Banner ---- */
    .banner {
        margin-top: 60px;
        height: 350px;
    }
    .banner-title {
        font-size: 28px;
    }
    .banner-subtitle {
        font-size: 14px;
    }
    
    /* ---- 区块 ---- */
    .section {
        padding: 50px 0;
    }
    .section-title h2 {
        font-size: 28px;
    }
    
    /* ---- 网格 ---- */
    .service-grid {
        grid-template-columns: 1fr;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    /* ---- 关于我们 ---- */
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    .stat-number {
        font-size: 24px;
    }
    
    /* ---- 新闻 ---- */
    .news-wrapper {
        grid-template-columns: 1fr;
    }
    .news-featured {
        min-height: 250px;
    }
    .news-item {
        flex-direction: column;
        gap: 10px;
        padding: 16px;
    }
    .news-item-image {
        width: 100%;
        height: 140px;
    }
    
    /* ---- 联系页面 ---- */
    .contact-wrapper {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }
    .contact-form {
        padding: 20px !important;
    }
    .contact-info-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    .contact-text h4 {
        font-size: 14px;
    }
    .contact-text p {
        font-size: 13px;
    }
    
    /* ---- 页脚 ---- */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* ---- 悬浮工具栏（隐藏） ---- */
    .float-toolbar {
        display: none;
    }
    
    /* ---- 内页Banner ---- */
    .page-banner {
        margin-top: 60px;
        height: 200px;
    }
    .page-banner h1 {
        font-size: 26px;
    }
    
    /* ---- 面包屑 ---- */
    .breadcrumb-inner {
        font-size: 12px;
        padding: 8px 12px;
        white-space: normal;
        word-break: break-word;
    }
    .breadcrumb .separator {
        margin: 0 4px;
    }
    
    /* ---- 分页 ---- */
    .pagination a,
    .pagination .page-current,
    .pagination .page-dots {
        min-width: 34px;
        height: 34px;
        padding: 0 10px;
        font-size: 13px;
    }
    /* ---- 后台主页 ---- */
    .home-module {
        margin-bottom: 16px !important;
    }
}

/* ----- 超小屏手机（480px 以下） ----- */
@media (max-width: 480px) {
    .header {
        height: 54px;
    }
    
    .banner {
        margin-top: 54px;
        height: 260px;
    }
    .banner-title {
        font-size: 22px;
    }
    .banner-subtitle {
        font-size: 13px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .nav {
        width: 85%;
    }
    
    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .stat-number {
        font-size: 22px;
    }
    
    .contact-form input,
    .contact-form textarea {
        font-size: 14px;
        padding: 10px 12px;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .page-banner {
        height: 160px;
    }
    .page-banner h1 {
        font-size: 20px;
    }
    .page-banner p {
        font-size: 13px;
    }
    
    .detail-header h1 {
        font-size: 20px;
    }
}