/* =======================
   全局品牌样式 / Global CSS
   颜色、字体、公共组件、动效统一在此定义。
   ======================= */

:root {
    --color-primary: #f58220;
    --color-primary-dark: #e07010;
    --color-dark: #14142e;
    --color-bg: #f7f8fc;
    --color-white: #ffffff;
    --color-text: #14142e;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    --color-border: #e5e7eb;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 顶部导航 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.header-inner {
    padding: 0 48px;
    height: 72px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-decoration: none;
}

.logo-dark { color: var(--color-text); }
.logo-accent { color: var(--color-primary); }

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

.nav-item {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

.nav-item:hover::after,
.nav-item.active::after {
    width: 100%;
}

.header-cta {
    background: var(--color-primary);
    color: #fff;
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(245, 130, 32, 0.3);
}

.header-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 130, 32, 0.4);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.mobile-menu a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 0;
}

.mobile-menu.open {
    display: flex;
}

/* 主内容区占位（避免被固定导航遮挡） */
.page-content {
    padding-top: 72px;
}

/* 页面 Hero */
.page-hero {
    position: relative;
    min-height: 360px;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.page-hero .hero-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 80px 24px;
}

.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.page-hero p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
}

/* 二级分类 Tab */
.sub-nav-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    padding: 20px 24px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 72px;
    z-index: 100;
}

.sub-nav-tabs a {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.sub-nav-tabs a:hover,
.sub-nav-tabs a.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(245, 130, 32, 0.25);
}

/* 内容容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.section-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 28px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-bottom: 48px;
}

.section-bg-white {
    background: var(--color-white);
}

.section-bg-light {
    background: var(--color-bg);
}

/* 卡片 */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--color-border);
    height: 100%;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(245, 130, 32, 0.2);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: rgba(245, 130, 32, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-primary);
    font-size: 1.75rem;
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 产品卡片 */
.product-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(245, 130, 32, 0.2);
}

.product-card .product-img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    overflow: hidden;
}

.product-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.product-card .product-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    flex: 1;
}

.product-card .detail-link {
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.product-card .detail-link:hover {
    gap: 10px;
    color: var(--color-primary-dark);
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(245, 130, 32, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 130, 32, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

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

/* 图片占位区 */
.img-placeholder {
    background: linear-gradient(135deg, #e2e4e9 0%, #f0f2f6 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    overflow: hidden;
    position: relative;
}

.img-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px dashed rgba(0,0,0,0.1);
    border-radius: inherit;
}

/* 轮播 */
.carousel {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-item {
    min-width: 100%;
    padding: 24px;
}

.carousel-img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    background: var(--color-bg);
}

.carousel-caption {
    text-align: center;
    margin-top: 16px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: var(--transition);
    z-index: 10;
}

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

.carousel-btn.prev { left: 16px; }
.carousel-btn.next { right: 16px; }

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--color-primary);
    width: 24px;
    border-radius: 5px;
}

/* Tab 切换 */
.tab-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.tab-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(245, 130, 32, 0.25);
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

/* 新闻列表 */
.news-item {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    margin-bottom: 20px;
    text-decoration: none;
    color: inherit;
}

.news-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(245, 130, 32, 0.2);
}

.news-item .news-thumb {
    width: 100%;
    height: 150px;
    border-radius: var(--radius-md);
}

.news-item .news-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    transition: var(--transition);
}

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

.news-item .news-summary {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.news-item .news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.news-item .detail-link {
    color: var(--color-primary);
    font-weight: 600;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    color: var(--color-text-secondary);
    text-decoration: none;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.pagination a:hover,
.pagination .current {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* 底部 */
.site-footer {
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 24px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
}

.footer-brand .logo {
    font-size: 1.75rem;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-qr {
    margin-bottom: 24px;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.footer-qr p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.footer-contact p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-col a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--color-primary);
}

.footer-copyright {
    text-align: center;
    padding-top: 24px;
    margin-top: 40px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* 三级详情页 */
.detail-page {
    background: var(--color-bg);
}

.detail-breadcrumb {
    padding: 20px 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.detail-breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

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

.detail-breadcrumb span {
    margin: 0 8px;
    color: var(--color-text-muted);
}

.detail-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 60px;
}

.detail-img {
    width: 100%;
    height: 420px;
    border-radius: var(--radius-xl);
    object-fit: cover;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.detail-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.detail-intro {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

.detail-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.detail-section {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.detail-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-left: 12px;
    border-left: 4px solid var(--color-primary);
}

.detail-section p,
.detail-section li {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.detail-section ul {
    padding-left: 20px;
}

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

.spec-table th,
.spec-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.spec-table th {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-text);
}

.spec-table td {
    color: var(--color-text-secondary);
}

/* 返回按钮 */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 20px;
}

.back-btn:hover {
    color: var(--color-primary);
    gap: 12px;
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-from-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-from-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.animate-from-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-from-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.animate-fade-in-up {
    animation: fade-in-up 0.6s ease-out forwards;
    opacity: 0;
}

/* 加载动画 */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--color-white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 响应式 */
@media (max-width: 1024px) {
    .header-nav {
        display: none;
    }
    .mobile-menu-toggle {
        display: flex;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-item {
        grid-template-columns: 1fr;
    }
    .detail-header {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 1.75rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .section {
        padding: 48px 0;
    }
    .footer-links {
        grid-template-columns: 1fr;
    }
    .sub-nav-tabs {
        gap: 8px;
        padding: 12px 16px;
    }
    .sub-nav-tabs a {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}


/* ====== Header Drop-down Menu ====== */
.nav-group { position: relative; }
.nav-group > .nav-item { cursor: default; }
.nav-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    padding: 8px 0;
    padding-left: 8px;
    min-width: 160px;
    z-index: 1001;
    border: 1px solid var(--color-border);
}
.nav-group:hover .nav-dropdown { display: block; }
.nav-dropdown a {
    display: block;
    padding: 8px 20px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    white-space: nowrap;
    transition: var(--transition);
}
.nav-dropdown a:hover {
    color: var(--color-primary);
    background: rgba(245,130,32,0.06);
}

/* ====== Language Switch ====== */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 0;
    font-size: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    overflow: hidden;
}
.lang-switch a {
    padding: 4px 10px;
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: var(--transition);
}
.lang-switch a.on {
    background: var(--color-primary);
    color: #fff;
}
.lang-switch a:hover:not(.on) {
    color: var(--color-primary);
}

/* ====== Header Search ====== */
.header-search form {
    display: flex;
    align-items: center;
    position: relative;
}
.header-search .search-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: 6px;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
}
.header-search .search-toggle:hover {
    color: var(--color-primary);
    background: rgba(245,130,32,0.08);
}
.header-search input {
    width: 0;
    padding: 0;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.9rem;
    color: var(--color-text);
    transition: all 0.3s ease;
}
.header-search form.open input,
.header-search form:focus-within input {
    width: 160px;
    padding: 6px 10px;
    border-bottom: 2px solid var(--color-primary);
    margin-left: 4px;
}
.header-search form.open .search-toggle,
.header-search form:focus-within .search-toggle {
    color: var(--color-primary);
}


/* ====== Homepage Dark Header ====== */
.home-header .site-header {
    background-color: var(--color-dark) !important;
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.home-header .site-header .logo img { /* keep original */ }
.home-header .site-header .nav-item { color: rgba(255,255,255,0.8); }
.home-header .site-header .nav-item:hover,
.home-header .site-header .nav-item.active { color: var(--color-primary); }
.home-header .site-header .nav-item::after { background: var(--color-primary); }
.home-header .site-header .lang-switch { border-color: rgba(255,255,255,0.3); }
.home-header .site-header .lang-switch a { color: rgba(255,255,255,0.7); }
.home-header .site-header .lang-switch a.on { background: var(--color-primary); color: #fff; }
.home-header .site-header .search-toggle { color: rgba(255,255,255,0.7); }
.home-header .site-header .search-toggle:hover { color: var(--color-primary); background: rgba(245,130,32,0.15); }
.home-header .site-header .nav-dropdown { 
    background: #1a1a3a; 
    border-color: rgba(255,255,255,0.1); 
}
.home-header .site-header .nav-dropdown a { color: rgba(255,255,255,0.75); }
.home-header .site-header .nav-dropdown a:hover { color: var(--color-primary); background: rgba(245,130,32,0.12); }

/* Homepage dark compact footer */
.home-header .site-footer {
    background: var(--color-dark);
    border-top-color: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.7);
    padding: 36px 0 16px;
}
.home-header .site-footer a { color: rgba(255,255,255,0.6); }
.home-header .site-footer a:hover { color: var(--color-primary); }
.site-footer .footer-bottom { border-top: 1px solid var(--color-border); padding-top: 16px; margin-top: 24px; text-align: center; font-size: 0.85rem; color: var(--color-text-muted); }
.home-header .site-footer .footer-bottom { border-top-color: rgba(255,255,255,0.1); color: rgba(255,255,255,0.5); }
.home-header .footer-inner { gap: 40px; }
.home-header .footer-col h4 { font-size: 0.85rem; margin-bottom: 8px; }
.home-header .footer-col ul li { font-size: 0.8rem; padding: 2px 0; }
.home-header .footer-contact p { font-size: 0.82rem; margin-bottom: 4px; }
.home-header .footer-brand .logo img { height: 30px; margin-bottom: 12px; }

/* ====== Scroll Snap (disabled) ====== */

/* Card hover effect */
.card-hover:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* ====== Homepage SPA Sections ====== */
.spa-section { padding:80px 0; }

/* ====== Breadcrumb (replaces Bootstrap) ====== */
.breadcrumb { display:flex; flex-wrap:wrap; list-style:none; padding:0; margin:0; font-size:0.875rem; }
.breadcrumb-item { display:flex; align-items:center; }
.breadcrumb-item + .breadcrumb-item::before { content:"/"; padding:0 8px; color:var(--color-text-muted); }
.breadcrumb-item a { color:var(--color-text-secondary); text-decoration:none; transition:var(--transition); }
.breadcrumb-item a:hover { color:var(--color-primary); }
.breadcrumb-item.active { color:var(--color-text); font-weight:500; }

/* ====== Badge (replaces Bootstrap) ====== */
.badge { display:inline-block; padding:2px 10px; border-radius:999px; font-size:0.75rem; font-weight:600; }

/* ====== Button Sizes (replaces Bootstrap) ====== */
.btn-sm { padding:6px 14px; font-size:0.85rem; }
.btn-outline-primary { background:transparent; color:var(--color-primary); border:1px solid var(--color-primary); }
.btn-outline-primary:hover { background:var(--color-primary); color:#fff; }
.btn-outline-secondary { background:transparent; color:var(--color-text-secondary); border:1px solid var(--color-border); }
.btn-outline-secondary:hover { background:var(--color-text-secondary); color:#fff; border-color:var(--color-text-secondary); }

/* ====== Pagination states (replaces Bootstrap) ====== */
.pagination .active a,
.pagination .active span { background:var(--color-primary); color:#fff; border-color:var(--color-primary); }
.pagination .disabled { opacity:0.4; pointer-events:none; }

/* ====== Empty State ====== */
.empty-state { text-align:center; padding:3rem 0; color:var(--color-text-muted); }

/* ====== Content Body — HtmlBody rich text (migrated from site.css) ====== */
.content-body h2 { font-size:1.5rem; font-weight:700; color:var(--color-text); margin:2.5rem 0 1rem; padding-bottom:.5rem; border-bottom:2px solid var(--color-border); }
.content-body h3 { font-size:1.2rem; font-weight:700; color:var(--color-text); margin:2rem 0 .75rem; }
.content-body h4 { font-size:1.05rem; font-weight:600; color:var(--color-text-secondary); margin:1.5rem 0 .5rem; }
.content-body p  { line-height:1.85; color:var(--color-text-secondary); margin-bottom:1rem; }
.content-body ul, .content-body ol { padding-left:1.5rem; margin-bottom:1rem; }
.content-body li { line-height:1.8; color:var(--color-text-secondary); margin-bottom:.3rem; }
.content-body table { width:100%; border-collapse:collapse; margin:1.5rem 0; border-radius:8px; overflow:hidden; box-shadow:0 1px 6px rgba(0,0,0,.06); }
.content-body table th { background:var(--color-dark); color:#fff; padding:.6rem .9rem; font-size:.85rem; font-weight:600; text-align:center; }
.content-body table td { padding:.55rem .9rem; font-size:.9rem; text-align:center; background:#fff; border-bottom:1px solid #f0f0f0; }
.content-body table tr:last-child td { border-bottom:none; }
.content-body table tr:nth-child(even) td { background:#fafbfc; }
.content-body img { max-width:100%; height:auto; border-radius:8px; box-shadow:0 2px 12px rgba(0,0,0,.08); margin:1.25rem 0; }
.content-body strong { color:var(--color-text); }
.content-body blockquote { border-left:4px solid var(--color-primary); padding:.75rem 1.25rem; margin:1rem 0; background:#f8f9fa; border-radius:0 6px 6px 0; color:var(--color-text-secondary); }

/* ====== Technology Sections (migrated from site.css) ====== */
.tech-section { margin-bottom:2.5rem; }
.tech-section-hd { display:flex; align-items:center; gap:.65rem; margin-bottom:1rem; padding-bottom:.6rem; border-bottom:2px solid var(--color-border); }
.tech-section-hd h2 { font-size:1.25rem; font-weight:700; color:var(--color-text); margin:0; }
.tech-section-icon { font-size:1.3rem; }
@media (max-width:768px) { .tech-section-hd h2 { font-size:1.1rem; } }

/* ====== Online Consultation Widget (migrated from site.css, orange palette) ====== */
.itc-consult-float {
    position:fixed; bottom:28px; right:28px; z-index:9999;
    width:56px; height:56px; border-radius:50%;
    background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
    color:#fff; border:none; cursor:pointer;
    box-shadow:0 4px 20px rgba(245,130,32,.35);
    transition:transform .25s, box-shadow .25s;
    display:flex; align-items:center; justify-content:center;
}
.itc-consult-float:hover {
    transform:scale(1.12);
    box-shadow:0 8px 28px rgba(245,130,32,.45);
}
.itc-consult-float svg { width:26px; height:26px; fill:#fff; }
.itc-consult-float::after {
    content:''; position:absolute; inset:-4px; border-radius:50%;
    border:2px solid rgba(245,130,32,.4);
    animation:consult-pulse 2s ease-out infinite;
}
@keyframes consult-pulse { 0% { transform:scale(1); opacity:1; } 100% { transform:scale(1.5); opacity:0; } }

.itc-consult-overlay {
    position:fixed; inset:0; background:rgba(0,0,0,.35); z-index:10000;
    animation:consult-fadeIn .2s ease;
}
@keyframes consult-fadeIn { from { opacity:0; } to { opacity:1; } }

.itc-consult-panel {
    position:fixed; bottom:96px; right:28px; z-index:10001;
    width:380px; max-width:calc(100vw - 40px); max-height:540px;
    background:#fff; border-radius:16px;
    box-shadow:0 12px 48px rgba(0,0,0,.18);
    display:flex; flex-direction:column; overflow:hidden;
    animation:consult-slideUp .25s ease;
}
@keyframes consult-slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

.itc-consult-header {
    background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
    color:#fff; padding:14px 18px; display:flex;
    justify-content:space-between; align-items:center;
    font-weight:600; font-size:15px;
}
.itc-consult-header .btn-close { filter:brightness(10); opacity:.8; }

.itc-consult-body { flex:1; overflow-y:auto; padding:16px; font-size:14px; }
.itc-consult-body .form-control:focus { box-shadow:0 0 0 0.15rem rgba(245,130,32,.15); border-color:var(--color-primary); }
.itc-consult-input { border-top:1px solid #eee; padding-top:10px; }

/* Chat messages */
.itc-msg { margin-bottom:10px; padding:10px 14px; border-radius:12px; max-width:85%; word-break:break-word; font-size:13px; line-height:1.5; animation:consult-msgIn .25s ease; }
@keyframes consult-msgIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }
.itc-msg-visitor { background:rgba(245,130,32,.1); color:var(--color-primary-dark); margin-left:auto; border-bottom-right-radius:4px; }
.itc-msg-staff { background:#f5f5f5; color:#333; margin-right:auto; border-bottom-left-radius:4px; }
.itc-msg-system { text-align:center; color:#aaa; font-size:12px; margin:10px 0; background:none; }

/* Consultation responsive */
@media (max-width:768px) {
    .itc-consult-panel { width:calc(100vw - 20px); right:10px; bottom:80px; max-height:480px; }
    .itc-consult-float { right:16px; bottom:20px; }
}

/* ====== Consultation Form Helpers (replaces Bootstrap) ====== */
.itc-consult-body .form-control {
    display:block; width:100%; padding:8px 10px; font-size:13px;
    border:1px solid var(--color-border); border-radius:6px;
    background:#fff; color:var(--color-text); outline:none;
    transition:border-color .2s, box-shadow .2s;
}
.itc-consult-body .form-control:focus {
    box-shadow:0 0 0 0.15rem rgba(245,130,32,.15); border-color:var(--color-primary);
}
.itc-consult-body .form-control-sm { padding:6px 8px; font-size:12px; }
.itc-consult-body textarea.form-control { resize:vertical; min-height:60px; }
.btn-close {
    background:transparent; border:none; width:24px; height:24px; cursor:pointer;
    position:relative; opacity:.7; transition:opacity .2s;
}
.btn-close:hover { opacity:1; }
.btn-close-white { filter:brightness(10); }
.input-group { display:flex; align-items:stretch; }
.input-group .form-control { flex:1; border-radius:6px 0 0 6px; }
.input-group .btn { border-radius:0 6px 6px 0; }