/* ============================================
   深圳市御芯科技有限公司官网 - 主样式文件
   响应式设计，适配PC/平板/手机
   ============================================ */

/* ===== CSS变量定义 ===== */
:root {
    --primary-color: #1a56db;
    --primary-dark: #1e429f;
    --primary-light: #3f83f8;
    --secondary-color: #0e9f6e;
    --accent-color: #f59e0b;
    --danger-color: #e02424;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --container-max: 1200px;
    --header-height: 120px;
}

/* ===== 重置与基础样式 ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
    border: 0;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

p {
    margin-bottom: 1em;
}

input, textarea, select, button {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

/* ===== 容器 ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 15px;
}

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

.text-muted {
    color: var(--text-muted);
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
    line-height: 1.5;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 32px;
    font-size: 16px;
}

/* ===== 页面加载动画 ===== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.3s ease;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== 头部样式 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

/* 顶部工具栏 */
.header-top {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-light);
    font-size: 12px;
}

.header-top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 36px;
}

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

.top-phone a, .top-email a {
    color: var(--text-secondary);
}

.top-phone a:hover, .top-email a:hover {
    color: var(--primary-color);
}

/* 语言切换器 */
.language-switcher {
    position: relative;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    padding: 4px 8px;
}

.lang-toggle:hover {
    color: var(--primary-color);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 140px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1001;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    color: var(--text-primary);
    font-size: 13px;
}

.lang-dropdown li a:hover,
.lang-dropdown li.active a {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

/* 主导航栏 */
.header-main {
    background-color: var(--bg-primary);
}

.header-main-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    gap: 20px;
}

/* Logo */
.site-logo a {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 48px;
    width: auto;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

/* 主导航 */
.main-nav {
    flex: 1;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-item {
    position: relative;
}

.nav-item > a {
    display: block;
    padding: 10px 16px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-item > a:hover,
.nav-item.active > a {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

/* 下拉菜单 */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: 1001;
    padding: 8px 0;
}

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

.nav-dropdown li a {
    display: block;
    padding: 8px 20px;
    color: var(--text-primary);
    font-size: 14px;
}

.nav-dropdown li a:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

/* 搜索框 */
.header-search {
    flex-shrink: 0;
}

.search-form {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-primary);
}

.search-input {
    border: none;
    padding: 8px 12px;
    width: 180px;
    font-size: 13px;
    background: transparent;
}

.search-btn {
    border: none;
    background-color: var(--primary-color);
    color: #fff;
    padding: 8px 14px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.search-btn:hover {
    background-color: var(--primary-dark);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* ===== 面包屑导航 ===== */
.breadcrumb-bar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    padding: 12px 0;
}

.breadcrumb-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.breadcrumb-label {
    color: var(--text-muted);
}

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

.breadcrumb-nav a {
    color: var(--text-secondary);
}

.breadcrumb-nav a:hover {
    color: var(--primary-color);
}

.breadcrumb-current {
    color: var(--primary-color);
    font-weight: 500;
}

.breadcrumb-separator {
    color: var(--text-muted);
}

/* ===== 页面布局 ===== */
.page-layout {
    display: flex;
    gap: 30px;
    padding: 30px 0;
}

.main-content {
    flex: 1;
    min-width: 0;
}

.sidebar {
    width: 280px;
    flex-shrink: 0;
}

/* 侧边栏小部件 */
.sidebar-widget {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    overflow: hidden;
}

.widget-title {
    padding: 14px 18px;
    font-size: 16px;
    font-weight: 600;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
}

/* 分类树 */
.category-tree {
    padding: 10px 0;
}

.category-tree li a {
    display: block;
    padding: 8px 18px;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.category-tree li a:hover,
.category-tree li.active > a {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
    padding-left: 22px;
}

.category-children {
    padding-left: 15px;
}

/* 热门列表 */
.hot-list {
    padding: 10px 0;
}

.hot-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    color: var(--text-secondary);
    font-size: 13px;
}

.hot-item:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.hot-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.hot-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.hot-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 推荐列表 */
.recommend-list {
    padding: 10px 18px;
}

.recommend-list li {
    margin-bottom: 12px;
}

.recommend-list li a {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.recommend-thumb {
    width: 70px;
    height: 50px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.recommend-title {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.recommend-title:hover {
    color: var(--primary-color);
}

/* 侧边栏搜索 */
.sidebar-search {
    display: flex;
    padding: 12px;
}

.sidebar-search input {
    flex: 1;
    border: 1px solid var(--border-color);
    border-right: none;
    padding: 8px 10px;
    font-size: 13px;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.sidebar-search button {
    border: 1px solid var(--primary-color);
    background-color: var(--primary-color);
    color: #fff;
    padding: 0 14px;
    cursor: pointer;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ===== 列表工具栏 ===== */
.list-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
    gap: 10px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.search-keyword {
    color: var(--accent-color);
    font-size: 14px;
    margin-left: 10px;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sort-select {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.sort-select select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background-color: var(--bg-primary);
    cursor: pointer;
}

.result-count {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== 产品网格 ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    border-radius: var(--radius-sm);
    z-index: 2;
}

.badge-new {
    background-color: var(--secondary-color);
}

.badge-hot {
    background-color: var(--danger-color);
}

.product-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    display: flex;
    gap: 8px;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.product-card:hover .product-overlay {
    opacity: 1;
    transform: translateY(0);
}

.overlay-btn {
    flex: 1;
    padding: 8px;
    background-color: var(--primary-color);
    color: #fff;
    text-align: center;
    font-size: 12px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.overlay-btn:hover {
    background-color: var(--primary-dark);
    color: #fff;
}

.overlay-inquiry {
    background-color: var(--accent-color);
}

.overlay-inquiry:hover {
    background-color: #d97706;
}

.product-info {
    padding: 15px;
}

.product-category {
    display: inline-block;
    font-size: 11px;
    color: var(--primary-color);
    background-color: rgba(26, 86, 219, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.product-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.product-title a {
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-title a:hover {
    color: var(--primary-color);
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    font-size: 12px;
    color: var(--text-muted);
}

.product-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.product-actions .btn {
    flex: 1;
}

/* ===== 产品详情页 ===== */
.product-detail-top {
    display: flex;
    gap: 40px;
    padding: 30px 0;
}

.product-gallery {
    width: 45%;
    flex-shrink: 0;
}

.main-image {
    position: relative;
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-secondary);
    cursor: zoom-in;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.zoom-hint {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: rgba(0,0,0,0.6);
    color: #fff;
    padding: 4px 10px;
    font-size: 11px;
    border-radius: var(--radius-sm);
}

.thumb-list {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.thumb-item {
    width: 70px;
    height: 70px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color var(--transition-fast);
}

.thumb-item.active,
.thumb-item:hover {
    border-color: var(--primary-color);
}

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

.product-info-detail {
    flex: 1;
}

.product-category-tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(26, 86, 219, 0.1);
    color: var(--primary-color);
    font-size: 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.product-title-detail {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.specs-table th,
.specs-table td {
    padding: 10px 15px;
    border: 1px solid var(--border-light);
    text-align: left;
    font-size: 14px;
}

.specs-table th {
    width: 120px;
    background-color: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
}

.stock-in {
    color: var(--secondary-color);
    font-weight: 600;
}

.stock-out {
    color: var(--danger-color);
}

.product-brief-detail {
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.detail-subtitle {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.product-actions-detail {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* 产品详情选项卡 */
.product-detail-tabs {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 30px;
}

.tab-nav {
    display: flex;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: 14px 30px;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.tab-btn.active,
.tab-btn:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: var(--bg-primary);
}

.tab-content {
    padding: 25px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.parameters-table {
    width: 100%;
    border-collapse: collapse;
}

.parameters-table th,
.parameters-table td {
    padding: 12px 15px;
    border: 1px solid var(--border-light);
    text-align: left;
}

.parameters-table th {
    background-color: var(--bg-secondary);
    font-weight: 600;
    width: 40%;
}

/* 相关产品 */
.related-products {
    margin-bottom: 30px;
}

.section-header {
    margin-bottom: 20px;
}

.section-title {
    font-size: 22px;
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.text-center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 10px;
}

.section-more {
    text-align: center;
    margin-top: 30px;
}

.section-more-link {
    color: var(--primary-color);
    font-weight: 500;
}

/* ===== 询盘弹窗 ===== */
.inquiry-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.inquiry-modal.show {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 30px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    z-index: 1;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 32px;
    height: 32px;
    border: none;
    background-color: var(--bg-tertiary);
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--danger-color);
    color: #fff;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-light);
}

/* ===== 表单样式 ===== */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group .required {
    color: var(--danger-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background-color: var(--bg-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input:disabled {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

/* 验证码 */
.captcha-group .captcha-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-input {
    flex: 1;
    max-width: 150px;
}

.captcha-question {
    padding: 10px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    font-family: monospace;
    letter-spacing: 2px;
    user-select: none;
}

.captcha-refresh {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.captcha-refresh:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 表单错误 */
.form-errors {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    margin-bottom: 20px;
}

.form-errors ul {
    list-style: disc;
    padding-left: 20px;
}

.form-errors li {
    color: var(--danger-color);
    font-size: 13px;
    margin-bottom: 4px;
}

/* ===== 新闻列表 ===== */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.news-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.news-item-image {
    width: 220px;
    height: 150px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.news-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.news-item:hover .news-item-image img {
    transform: scale(1.05);
}

.news-badge-top {
    position: absolute;
    top: 8px;
    left: 8px;
    background-color: var(--danger-color);
    color: #fff;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.news-item-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.news-category {
    display: inline-block;
    font-size: 11px;
    color: var(--primary-color);
    background-color: rgba(26, 86, 219, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    align-self: flex-start;
}

.news-item-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-item-title a {
    color: var(--text-primary);
}

.news-item-title a:hover {
    color: var(--primary-color);
}

.news-item-excerpt {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
    flex: 1;
}

.news-item-meta {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.read-more {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 13px;
    align-self: flex-start;
}

/* ===== 新闻详情 ===== */
.article-detail {
    background-color: var(--bg-primary);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.article-header {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
}

.article-category {
    display: inline-block;
    font-size: 12px;
    color: var(--primary-color);
    background-color: rgba(26, 86, 219, 0.1);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.article-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 15px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.article-brief {
    background-color: var(--bg-secondary);
    padding: 15px 20px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    margin-bottom: 25px;
}

.article-brief p {
    margin-bottom: 0;
    color: var(--text-secondary);
    font-style: italic;
}

.article-image {
    margin-bottom: 25px;
    text-align: center;
}

.article-image img {
    max-width: 100%;
    border-radius: var(--radius-md);
}

.article-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
}

.article-content h2,
.article-content h3,
.article-content h4 {
    margin: 25px 0 15px;
}

.article-content p {
    margin-bottom: 15px;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin: 15px 0;
}

.article-content ul,
.article-content ol {
    margin-bottom: 15px;
    padding-left: 25px;
}

.article-content ul {
    list-style: disc;
}

.article-content ol {
    list-style: decimal;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
}

.article-content th,
.article-content td {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
}

.article-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.article-actions {
    display: flex;
    gap: 10px;
}

/* 上一篇/下一篇 */
.article-nav {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.nav-prev,
.nav-next {
    flex: 1;
}

.nav-next {
    text-align: right;
}

.nav-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.nav-prev a,
.nav-next a {
    color: var(--text-primary);
    font-weight: 500;
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-prev a:hover,
.nav-next a:hover {
    color: var(--primary-color);
}

.nav-none {
    color: var(--text-muted);
}

/* 相关文章 */
.related-articles {
    margin-top: 30px;
}

.related-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}

.related-item a {
    display: block;
}

.related-thumb {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}

.related-title {
    display: block;
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-title:hover {
    color: var(--primary-color);
}

.related-date {
    font-size: 11px;
    color: var(--text-muted);
}

/* ===== 首页轮播图 ===== */
.home-banner {
    position: relative;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    height: 450px;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
}

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

.banner-slide a {
    display: block;
    width: 100%;
    height: 100%;
}

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

.banner-caption {
    position: absolute;
    bottom: 60px;
    left: 0;
    right: 0;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.banner-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.banner-desc {
    font-size: 18px;
    opacity: 0.9;
}

.banner-prev,
.banner-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    background-color: rgba(0,0,0,0.3);
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
    z-index: 10;
}

.banner-prev:hover,
.banner-next:hover {
    background-color: rgba(0,0,0,0.6);
}

.banner-prev {
    left: 20px;
}

.banner-next {
    right: 20px;
}

.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border: none;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* ===== 首页核心优势 ===== */
.home-features {
    padding: 50px 0;
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.feature-item {
    text-align: center;
    padding: 25px 20px;
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
}

.feature-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ===== 首页关于我们 ===== */
.home-about {
    padding: 60px 0;
}

.about-grid {
    display: flex;
    gap: 50px;
    align-items: center;
}

.about-image {
    width: 45%;
    flex-shrink: 0;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-content {
    flex: 1;
}

.about-text {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 25px;
}

.about-points li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

/* ===== 首页产品 ===== */
.home-products {
    padding: 60px 0;
    background-color: var(--bg-secondary);
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.product-tab {
    padding: 8px 24px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.product-tab.active,
.product-tab:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ===== 首页应用方案 ===== */
.home-solutions {
    padding: 60px 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.solution-card {
    padding: 30px 25px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.solution-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
}

.solution-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.solution-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.solution-link {
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 500;
}

/* ===== 首页新闻 ===== */
.home-news {
    padding: 60px 0;
    background-color: var(--bg-secondary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.news-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-card .news-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.news-card .news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.news-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: var(--danger-color);
    color: #fff;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.news-card .news-content {
    padding: 20px;
}

.news-card .news-category {
    display: inline-block;
    font-size: 11px;
    color: var(--primary-color);
    background-color: rgba(26, 86, 219, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
}

.news-card .news-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-card .news-title a {
    color: var(--text-primary);
}

.news-card .news-title a:hover {
    color: var(--primary-color);
}

.news-card .news-excerpt {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .news-meta {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== 首页CTA ===== */
.home-cta {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    text-align: center;
}

.cta-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fff;
}

.cta-desc {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 25px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.home-cta .btn-primary {
    background-color: #fff;
    color: var(--primary-color);
    border-color: #fff;
}

.home-cta .btn-primary:hover {
    background-color: var(--bg-secondary);
}

.home-cta .btn-outline {
    color: #fff;
    border-color: #fff;
}

.home-cta .btn-outline:hover {
    background-color: rgba(255,255,255,0.1);
    color: #fff;
}

/* ===== 首页友情链接 ===== */
.home-links {
    padding: 30px 0;
    background-color: var(--bg-tertiary);
}

.links-inner {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.links-label {
    font-weight: 600;
    color: var(--text-primary);
    flex-shrink: 0;
}

.links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
}

.links-list a {
    color: var(--text-secondary);
    font-size: 13px;
}

.links-list a:hover {
    color: var(--primary-color);
}

/* ===== 页脚 ===== */
.site-footer {
    background-color: #1f2937;
    color: #d1d5db;
}

.footer-main {
    padding: 50px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
}

.footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.7;
    color: #9ca3af;
    margin-bottom: 15px;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 15px;
    filter: brightness(0) invert(1);
}

.footer-social {
    display: flex;
    gap: 10px;
}

.social-item {
    width: 36px;
    height: 36px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #d1d5db;
    transition: all var(--transition-fast);
}

.social-item:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.footer-link-list li {
    margin-bottom: 10px;
}

.footer-link-list a {
    color: #9ca3af;
    font-size: 13px;
    transition: color var(--transition-fast);
}

.footer-link-list a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-contact-list li {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 13px;
    color: #9ca3af;
    align-items: flex-start;
}

.footer-contact-list a {
    color: #9ca3af;
}

.footer-contact-list a:hover {
    color: var(--primary-light);
}

/* 页脚友情链接 */
.footer-links-bar {
    padding: 15px 0;
    background-color: #111827;
    border-top: 1px solid #374151;
}

.footer-links-inner {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    font-size: 12px;
}

.footer-links-label {
    color: #6b7280;
    font-weight: 500;
}

.footer-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 15px;
}

.footer-links-list a {
    color: #6b7280;
}

.footer-links-list a:hover {
    color: var(--primary-light);
}

/* 页脚版权 */
.footer-bottom {
    padding: 20px 0;
    background-color: #111827;
    border-top: 1px solid #374151;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #6b7280;
    flex-wrap: wrap;
    gap: 10px;
}

.copyright a {
    color: #6b7280;
}

.copyright a:hover {
    color: var(--primary-light);
}

/* ===== 在线客服悬浮 ===== */
.floating-service {
    position: fixed;
    right: 20px;
    bottom: 80px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-item {
    position: relative;
    width: 48px;
    height: 48px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    font-size: 18px;
}

.service-item:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.service-tip {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--text-primary);
    color: #fff;
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.service-item:hover .service-tip {
    opacity: 1;
    visibility: visible;
}

/* ===== 全局提示消息 ===== */
.alert-float {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.alert-success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-close {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    margin-left: 10px;
}

.alert-close:hover {
    opacity: 1;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 64px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.empty-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
}

/* ===== 分页 ===== */
.pagination-wrapper {
    margin-top: 30px;
    display: flex;
    justify-content: center;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.page-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    background-color: var(--bg-primary);
}

.page-item:hover:not(.disabled):not(.active) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-item.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.page-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    margin-left: 15px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== 错误页面 ===== */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.error-container {
    text-align: center;
    padding: 40px;
}

.error-code {
    font-size: 120px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 20px;
}

.error-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.error-desc {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.error-search form {
    display: flex;
    max-width: 400px;
    margin: 0 auto;
    gap: 0;
}

.error-search input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    font-size: 14px;
}

.error-search button {
    padding: 0 20px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
}

/* ===== 联系页面 ===== */
.contact-page {
    padding: 30px 0;
}

.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.contact-card {
    padding: 25px 20px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.contact-card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
}

.contact-card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.contact-main {
    display: flex;
    gap: 30px;
}

.contact-left {
    width: 45%;
    flex-shrink: 0;
}

.contact-right {
    flex: 1;
}

.contact-section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.contact-map {
    margin-bottom: 30px;
}

.map-embed {
    width: 100%;
    height: 300px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

.map-placeholder {
    width: 100%;
    height: 300px;
    background-color: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 48px;
}

.map-placeholder p {
    font-size: 14px;
    margin-top: 10px;
}

.contact-detail-list li {
    display: flex;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 14px;
}

.detail-label {
    width: 100px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.detail-value {
    color: var(--text-primary);
    flex: 1;
}

.contact-form-wrapper {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
}

/* ===== 招聘页面 ===== */
.jobs-page {
    padding: 30px 0;
}

.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.job-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 25px;
    transition: all var(--transition-normal);
}

.job-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.job-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.job-card .job-title {
    font-size: 18px;
    font-weight: 600;
}

.job-card .job-title a {
    color: var(--text-primary);
}

.job-card .job-title a:hover {
    color: var(--primary-color);
}

.job-category {
    font-size: 12px;
    color: var(--primary-color);
    background-color: rgba(26, 86, 219, 0.1);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
}

.job-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.job-card-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.job-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.6;
}

.job-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-light);
}

.job-date {
    font-size: 12px;
    color: var(--text-muted);
}

/* 招聘详情 */
.job-detail-page {
    padding: 30px 0;
}

.job-detail-wrapper {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 35px;
}

.job-detail-header {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border-light);
}

.job-title-area {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.job-detail-title {
    font-size: 26px;
    font-weight: 700;
}

.job-category-tag {
    font-size: 12px;
    color: var(--primary-color);
    background-color: rgba(26, 86, 219, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
}

.job-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.job-detail-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.job-section {
    margin-bottom: 30px;
}

.job-section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-left: 12px;
    border-left: 4px solid var(--primary-color);
}

.job-section-content {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-primary);
}

.job-apply {
    background-color: var(--bg-secondary);
    padding: 25px;
    border-radius: var(--radius-md);
    margin-top: 30px;
}

.apply-info {
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.apply-info p {
    margin-bottom: 8px;
}

.apply-actions {
    display: flex;
    gap: 12px;
}

.related-jobs {
    margin-top: 30px;
}

.related-jobs-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.related-job-item {
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.related-job-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.related-job-item h4 {
    font-size: 14px;
    margin-bottom: 8px;
}

.related-job-item h4 a {
    color: var(--text-primary);
}

.related-job-item h4 a:hover {
    color: var(--primary-color);
}

.related-job-meta {
    display: flex;
    gap: 10px;
    font-size: 12px;
    color: var(--text-muted);
}

.resume-info {
    padding: 15px;
}

.resume-email {
    display: block;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
    margin: 10px 0;
    word-break: break-all;
}

.resume-tip {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== 搜索页面 ===== */
.search-page {
    padding: 30px 0;
}

.search-header {
    margin-bottom: 30px;
}

.search-form-large {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 0;
}

.search-input-large {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--primary-color);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    font-size: 15px;
}

.search-btn-large {
    padding: 0 30px;
    background-color: var(--primary-color);
    color: #fff;
    border: 2px solid var(--primary-color);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.search-result-info {
    margin-bottom: 20px;
}

.result-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.search-type-tabs {
    display: flex;
    gap: 10px;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 15px;
}

.type-tab {
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.type-tab.active,
.type-tab:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

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

.search-result-item .result-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.search-result-item .result-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.result-image {
    width: 160px;
    height: 110px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.result-content {
    flex: 1;
    min-width: 0;
}

.result-type {
    display: inline-block;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.type-product {
    background-color: rgba(14, 159, 110, 0.1);
    color: var(--secondary-color);
}

.type-article {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--accent-color);
}

.result-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.result-title a {
    color: var(--text-primary);
}

.result-title a:hover {
    color: var(--primary-color);
}

.result-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}

.result-meta {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: var(--text-muted);
}

.hot-searches {
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid var(--border-light);
}

.hot-searches h4 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.hot-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hot-tag {
    padding: 6px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.hot-tag:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ===== 应用方案页面 ===== */
.solutions-page,
.about-page,
.single-page,
.links-page,
.downloads-page {
    padding: 30px 0;
}

.page-header {
    margin-bottom: 25px;
}

.page-header .page-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-desc {
    color: var(--text-secondary);
    font-size: 15px;
}

.page-banner {
    position: relative;
    height: 250px;
    overflow: hidden;
    margin-bottom: 30px;
}

.page-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.6), transparent);
    display: flex;
    align-items: center;
}

.banner-page-title {
    color: #fff;
    font-size: 32px;
    font-weight: 700;
}

.page-intro {
    background-color: var(--bg-secondary);
    padding: 20px 25px;
    border-radius: var(--radius-md);
    margin-bottom: 25px;
    border-left: 4px solid var(--primary-color);
}

.page-intro p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

.page-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
}

.page-content h2,
.page-content h3 {
    margin: 25px 0 15px;
}

.page-content p {
    margin-bottom: 15px;
}

.page-content img {
    max-width: 100%;
    border-radius: var(--radius-sm);
    margin: 15px 0;
}

.page-content ul,
.page-content ol {
    padding-left: 25px;
    margin-bottom: 15px;
}

.page-content ul {
    list-style: disc;
}

.page-content ol {
    list-style: decimal;
}

.page-content li {
    margin-bottom: 8px;
}

.page-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

/* 应用方案大卡片 */
.solutions-categories {
    margin-bottom: 30px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.solution-card-large {
    padding: 30px 25px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.solution-card-large:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.solution-icon-large {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
}

.solution-title-large {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.solution-desc-large {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.6;
}

.solution-link-large {
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 500;
}

.solutions-cta {
    text-align: center;
    padding: 40px;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-top: 30px;
}

.solutions-cta h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.solutions-cta p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ===== 友情链接页面 ===== */
.links-group {
    margin-bottom: 30px;
}

.links-group-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.link-card {
    display: flex;
    gap: 15px;
    padding: 15px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.link-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.link-logo {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.link-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.link-info {
    flex: 1;
    min-width: 0;
}

.link-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.link-name a {
    color: var(--text-primary);
}

.link-name a:hover {
    color: var(--primary-color);
}

.link-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 5px;
    line-height: 1.5;
}

.link-url {
    font-size: 11px;
    color: var(--text-muted);
    word-break: break-all;
}

.links-apply {
    margin-top: 40px;
    padding: 25px;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.links-apply h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.links-apply ul {
    padding-left: 20px;
    margin-top: 10px;
}

.links-apply li {
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== 下载中心页面 ===== */
.downloads-group {
    margin-bottom: 30px;
}

.downloads-group-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.downloads-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.download-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.download-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    flex-shrink: 0;
}

.download-info {
    flex: 1;
    min-width: 0;
}

.download-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 5px;
}

.download-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.download-meta {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: var(--text-muted);
}

.download-action {
    flex-shrink: 0;
}

.downloads-notice {
    margin-top: 30px;
    padding: 20px 25px;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent-color);
}

.downloads-notice h3 {
    font-size: 16px;
    margin-bottom: 10px;
}

.downloads-notice ul {
    padding-left: 20px;
}

.downloads-notice li {
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-size: 13px;
}

/* ===== 响应式设计 ===== */

/* 大屏幕 (>= 1200px) */
@media (min-width: 1200px) {
    .container {
        max-width: var(--container-max);
    }
}

/* 中等屏幕 (992px - 1199px) */
@media (max-width: 1199px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    .contact-info-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 平板 (768px - 991px) */
@media (max-width: 991px) {
    .header-top {
        display: none;
    }
    .header-main-inner {
        height: 64px;
    }
    .main-nav {
        position: fixed;
        top: 64px;
        left: -100%;
        width: 280px;
        height: calc(100vh - 64px);
        background-color: var(--bg-primary);
        box-shadow: var(--shadow-xl);
        z-index: 999;
        transition: left var(--transition-normal);
        overflow-y: auto;
        padding: 20px 0;
    }
    .main-nav.open {
        left: 0;
    }
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    .nav-item > a {
        padding: 12px 20px;
        border-radius: 0;
    }
    .nav-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        display: none;
        padding-left: 20px;
    }
    .nav-item.has-dropdown.open .nav-dropdown {
        display: block;
    }
    .mobile-menu-btn {
        display: flex;
    }
    .header-search {
        display: none;
    }
    .page-layout {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid {
        flex-direction: column;
    }
    .about-image {
        width: 100%;
    }
    .product-detail-top {
        flex-direction: column;
    }
    .product-gallery {
        width: 100%;
    }
    .banner-slider {
        height: 300px;
    }
    .banner-title {
        font-size: 24px;
    }
    .banner-desc {
        font-size: 14px;
    }
    .contact-main {
        flex-direction: column;
    }
    .contact-left {
        width: 100%;
    }
    .links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-jobs-list {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机 (<= 767px) */
@media (max-width: 767px) {
    .container {
        padding: 0 12px;
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .news-item {
        flex-direction: column;
    }
    .news-item-image {
        width: 100%;
        height: 180px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .contact-info-cards {
        grid-template-columns: 1fr;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .banner-slider {
        height: 200px;
    }
    .banner-title {
        font-size: 18px;
    }
    .banner-desc {
        font-size: 12px;
    }
    .banner-caption {
        bottom: 30px;
    }
    .banner-prev,
    .banner-next {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    .page-title {
        font-size: 20px;
    }
    .article-title {
        font-size: 22px;
    }
    .product-title-detail {
        font-size: 20px;
    }
    .cta-title {
        font-size: 22px;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .floating-service {
        right: 10px;
        bottom: 60px;
    }
    .service-item {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    .links-grid {
        grid-template-columns: 1fr;
    }
    .related-jobs-list {
        grid-template-columns: 1fr;
    }
    .related-list {
        grid-template-columns: repeat(2, 1fr);
    }
    .search-result-item .result-item {
        flex-direction: column;
    }
    .result-image {
        width: 100%;
        height: 160px;
    }
    .job-detail-wrapper {
        padding: 20px;
    }
    .contact-form-wrapper {
        padding: 20px;
    }
    .modal-content {
        padding: 20px;
        width: 95%;
    }
    .pagination-info {
        display: none;
    }
    .article-nav {
        flex-direction: column;
        gap: 15px;
    }
    .nav-next {
        text-align: left;
    }
    .error-code {
        font-size: 80px;
    }
    .captcha-group .captcha-wrapper {
        flex-wrap: wrap;
    }
}

/* 小手机 (<= 480px) */
@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .related-list {
        grid-template-columns: 1fr;
    }
    .logo-text {
        display: none;
    }
}

/* ===== 打印样式 ===== */
@media print {
    .site-header,
    .site-footer,
    .floating-service,
    .breadcrumb-bar,
    .product-actions-detail,
    .related-products,
    .article-actions,
    .article-nav,
    .related-articles,
    .sidebar {
        display: none !important;
    }
    .main-content {
        width: 100%;
    }
    body {
        font-size: 12px;
    }
}