/**
 * @//file/: site.css
 * @//description/: 前台落地页样式（清新童趣简约外贸风，无渐变）
 * @//author/: Junwen
 * @//email/: 565897782@qq.com
 * @//contact/: WeChat:Awoowo
 * @//version/: 1.0.0
 * @//date/: 2026-11-06
 * @//copyright/: Copyright (c) 2026 Junwen All rights reserved.
 */

/* 顶部导航（Linear/Vercel 风：滚动后背景模糊 + 半透明） */
.site-header {
    background: transparent;
    border-bottom: 1px solid transparent;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease), backdrop-filter var(--duration) var(--ease);
}

/* 滚动后：背景模糊 + 半透明底 + 细边框 */
.site-header.scrolled {
    background: color-mix(in srgb, var(--bg-page) 78%, transparent);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border-bottom: 1px solid var(--border);
}

.site-header .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.site-header .logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
}

.site-header .logo .logo-img {
    height: 38px;
    width: auto;
    display: block;
}

.site-header .logo .logo-img-dark { display: none; }

[data-theme="dark"] .site-header .logo .logo-img-light { display: none; }
[data-theme="dark"] .site-header .logo .logo-img-dark { display: block; }

.site-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.site-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 4px 0;
}

.site-nav a.active {
    color: var(--primary);
}

.site-nav a.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

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

/* 语言切换 */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.lang-switch a {
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
}

.lang-switch a.active {
    background: var(--primary);
    color: #fff;
}

/* 主题切换按钮 */
.theme-toggle {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.theme-toggle i {
    font-size: 16px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 3px 10px rgba(var(--primary-rgb), 0.28);
    transform: translateY(-1px);
}

.theme-toggle:hover i {
    transform: rotate(35deg) scale(1.12);
}

.theme-toggle:active {
    transform: scale(0.92);
    box-shadow: var(--shadow);
}

/* 暗色模式下让按钮更柔和 */
[data-theme="dark"] .theme-toggle {
    color: #f6c343;
    border-color: #444;
}
[data-theme="dark"] .theme-toggle:hover {
    color: #ffd666;
    border-color: #ffd666;
    box-shadow: 0 3px 12px rgba(255, 214, 102, 0.25);
}

/* 用户账户入口 */
.header-account { position: relative; }

.header-account .account-login-btn {
    padding: 7px 14px;
    font-size: 13px;
    white-space: nowrap;
}

.account-menu { position: relative; }

.account-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}
.account-btn:hover { color: var(--primary); border-color: var(--primary); }
.account-btn .account-name { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.account-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 6px;
    z-index: 200;
}
.account-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.15s;
}
.account-dropdown a:hover { background: var(--bg-hover); color: var(--primary); }

/* ===== 用户中心 ===== */
.account-auth-wrap {
    max-width: 480px;
    margin: 0 auto;
}
.account-auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}
.account-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.account-tab {
    padding: 10px 18px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.account-tab:hover { color: var(--primary); }
.account-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}
.account-pane { display: none; }
.account-pane.active { display: block; }
.account-switch-text {
    margin-top: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--text-tertiary);
}
.account-switch-text a { color: var(--primary); font-weight: 500; }

.form-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
@media (max-width: 576px) {
    .form-grid-2 { grid-template-columns: 1fr; }
    .form-grid-2 .form-group[style*="span"] { grid-column: span 1 !important; }
}

.account-order-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.account-order-table th, .account-order-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.account-order-table th {
    background: var(--bg-page);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 13px;
}
.account-order-table tr:hover td { background: var(--bg-hover); }

.badge.status-0 { background: rgba(250, 173, 20, 0.15); color: #d48806; }
.badge.status-1 { background: rgba(30, 136, 229, 0.15); color: var(--primary); }
.badge.status-2 { background: rgba(24, 144, 255, 0.15); color: #096dd9; }
.badge.status-3 { background: rgba(82, 196, 26, 0.15); color: #389e0d; }
.badge.status-4 { background: rgba(245, 34, 45, 0.15); color: #cf1322; }

.account-modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
}
.account-modal-mask {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}
.account-modal-box {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: auto;
    box-shadow: var(--shadow-md);
}
.account-order-detail h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

/* ===== Hero 区（Linear/Vercel 风：深色底 + 超大标题 + 克制光晕） ===== */
.hero {
    position: relative;
    background: var(--bg-page);
    padding: 140px 0 120px;
    text-align: center;
    overflow: hidden;
}

/* 顶部克制的品牌色光晕（单一柔光，非花哨装饰） */
.hero::before {
    content: '';
    position: absolute;
    top: -45%;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 800px;
    background: radial-gradient(closest-side, rgba(var(--primary-rgb), 0.16), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-glow {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 64px 64px;
    opacity: 0.4;
    mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner { position: relative; z-index: 2; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    border-radius: 999px;
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
    margin-bottom: 32px;
}

.hero-badge i { color: var(--primary); }

.hero h1 {
    font-size: 64px;
    line-height: 1.06;
    color: var(--text-primary);
    margin-bottom: 24px;
    font-weight: 600;
    letter-spacing: -0.04em;
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
}

.hero .subtitle {
    font-size: 19px;
    color: var(--text-secondary);
    margin-bottom: 44px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero .hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 信任徽章行（Hero 底部） */
.hero-trust {
    display: flex;
    gap: 28px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 52px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.hero-trust-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-tertiary);
    letter-spacing: 0.1px;
}

.hero-trust-item i {
    color: var(--text-tertiary);
    font-size: 12px;
}

.hero-tags {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 36px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.hero-tag i { color: var(--primary); }

/* 内页 Hero（统一组件，无 banner 图） */
.page-hero {
    position: relative;
    background: var(--bg-card);
    padding: 88px 0 76px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

/* 柔和顶部光晕（克制，取代几何圆形装饰） */
.page-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 720px;
    height: 520px;
    background: radial-gradient(closest-side, rgba(var(--primary-rgb), 0.08), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.page-hero .page-hero-inner {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.6px;
}

.page-hero .subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 面包屑 */
.page-hero .page-hero-crumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    font-size: 13px;
    color: var(--text-tertiary);
}
.page-hero .page-hero-crumb a { color: var(--text-tertiary); }
.page-hero .page-hero-crumb a:hover { color: var(--primary); }
.page-hero .page-hero-crumb .sep { color: var(--text-tertiary); }
.page-hero .page-hero-crumb .cur { color: var(--primary); font-weight: 500; }

/* 区块标题 */
.section {
    padding: 110px 0;
}

.section-title {
    text-align: center;
    font-size: 40px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.section-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 56px;
    font-size: 17px;
    line-height: 1.6;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 区块 eyebrow 小标签（Linear/Vercel 风：灰白小字，克制） ===== */
.section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.section-title--left {
    text-align: left;
}

.section-desc--left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

/* 非对称图文（左文右图） */
.about-split {
    display: flex;
    gap: 64px;
    align-items: center;
    flex-wrap: wrap;
}

.about-split-text {
    flex: 1;
    min-width: 320px;
}

.about-split-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

.about-split-cover {
    flex: 1;
    min-width: 320px;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

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

/* ===== 交替区块（深色下更深的底色） ===== */
.section--alt {
    background: var(--section-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* 产品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
    box-shadow: none;
}

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

.product-card .product-img {
    width: 100%;
    height: 220px;
    background: var(--bg-page);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.product-card .product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.06);
}

.product-card .product-info {
    padding: 20px;
}

.product-card .product-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
    letter-spacing: -0.1px;
}

.product-card .product-code {
    display: inline-block;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-hover);
    padding: 3px 12px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.product-card .product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.product-card .product-price {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 18px;
}

.product-card .product-price .price-from {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* 文章卡片 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: none;
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.article-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

.article-card .article-img {
    height: 180px;
    background: var(--bg-page);
}

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

.article-card .article-info {
    padding: 16px;
}

.article-card .article-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

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

/* 详情页 */
.detail-page {
    padding: 40px 0;
}

.detail-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: break-word;
    color: var(--text-primary);
}

.article-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 14px;
    background: rgba(30, 144, 255, 0.1);
    border: 1px solid rgba(30, 144, 255, 0.25);
    color: var(--primary);
    font-size: 12px;
}

.detail-content {
    line-height: 1.8;
    color: var(--text-primary);
    white-space: pre-line;
}

/* 产品详情图集 */
.product-gallery {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.product-gallery-main {
    text-align: center;
    margin-bottom: 16px;
}

.product-gallery-thumbs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.product-gallery-thumb {
    width: 68px;
    height: 68px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s;
    flex-shrink: 0;
}

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

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

/* A+ 详情介绍图（竖长营销图，全宽纵向排列） */
.aplus-gallery {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.aplus-gallery img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* 产品卖点列表（项目符号） */
.selling-points-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.selling-points-list li {
    position: relative;
    padding-left: 28px;
    line-height: 1.7;
    color: var(--text-primary);
    font-size: 15px;
}

.selling-points-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.85;
}

.detail-content img {
    max-width: 100%;
    border-radius: var(--radius);
}

/* 规格表 */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.spec-table th {
    text-align: left;
    width: 200px;
    padding: 10px 16px;
    background: var(--bg-page);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.spec-table td {
    padding: 10px 16px;
    border: 1px solid var(--border);
}

/* 询盘表单 */
.inquiry-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}

/* 页脚 */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 56px 0 0;
    margin-top: 80px;
}

.site-footer .footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 40px;
}

.site-footer .footer-col h4 {
    margin-bottom: 16px;
    color: var(--text-primary);
    font-size: 15px;
}

.site-footer .footer-col a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 13px;
}

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

.site-footer .footer-col p {
    color: var(--text-secondary);
    font-size: 13px;
}

.site-footer .footer-brand .logo-img {
    height: 36px;
    width: auto;
    display: block;
    margin-bottom: 16px;
}

.site-footer .footer-brand .logo-img-dark { display: none; }
[data-theme="dark"] .site-footer .footer-brand .logo-img-light { display: none; }
[data-theme="dark"] .site-footer .footer-brand .logo-img-dark { display: block; }

.site-footer .footer-contact a,
.site-footer .footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 13px;
}

.site-footer .footer-contact i {
    color: var(--primary);
    margin-top: 3px;
    width: 14px;
}

.site-footer .copyright {
    text-align: center;
    margin-top: 40px;
    padding: 16px 0;
    color: var(--text-tertiary);
    font-size: 13px;
    border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
    .site-footer .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
}

/* 悬浮询盘导购 */
.float-inquiry {
    position: fixed;
    right: 24px;
    bottom: 32px;
    z-index: 999;
}

.float-inquiry-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 22px;
    border: none;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 10px 28px rgba(var(--primary-rgb), 0.38);
    transition: all 0.25s;
}

.float-inquiry-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(var(--primary-rgb), 0.46);
}

.float-inquiry-btn i { font-size: 18px; }

.float-inquiry-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
}

.float-inquiry-modal.open { display: block; }

.float-inquiry-mask {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.float-inquiry-box {
    position: absolute;
    right: 24px;
    bottom: 96px;
    width: 340px;
    max-width: calc(100vw - 32px);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 20px;
    animation: floatIn 0.25s ease;
}

@keyframes floatIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.float-inquiry-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.float-inquiry-head i { color: var(--primary); }

.float-inquiry-close {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-tertiary);
    cursor: pointer;
}

.float-inquiry-close:hover { color: var(--error); }

@media (max-width: 480px) {
    .float-inquiry-txt { display: none; }
    .float-inquiry-btn { padding: 14px 16px; }
}

/* 空状态 */
.empty-state {
    padding: 64px 0;
    text-align: center;
    color: var(--text-tertiary);
}

.empty-state .empty-icon {
    font-size: 56px;
    color: var(--border);
    margin-bottom: 16px;
}

.empty-state .empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state .empty-desc {
    font-size: 14px;
    margin-bottom: 24px;
}

/* 站点按钮（前台通用，避免依赖后台 admin.css） */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 20px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), background var(--duration) var(--ease), border-color var(--duration) var(--ease), color var(--duration) var(--ease);
    white-space: nowrap;
    font-family: inherit;
    letter-spacing: -0.01em;
}

.btn i { margin-right: 6px; }

.btn-lg {
    padding: 12px 26px;
    font-size: 15px;
    border-radius: 8px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 0 rgba(var(--primary-rgb), 0);
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #fff;
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.28);
}

.btn-primary:active {
    transform: scale(0.98);
}

/* 描边按钮（次按钮） */
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn-outline:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
    transform: scale(1.03);
}

/* 幽灵按钮（深色 Hero 上的次按钮，白描边） */
.btn-ghost {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
    transform: scale(1.03);
}

/* 表单（前台询盘等场景） */
.form-group { margin-bottom: 16px; }

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

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-card);
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.12);
}

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

/* 关于我们 */
.about-grid {
    display: flex;
    gap: 48px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.about-cover {
    flex: 1;
    min-width: 300px;
}

.about-cover img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    object-fit: cover;
}

.about-meta {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.about-meta-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-meta-item i {
    font-size: 24px;
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-meta-item strong {
    display: block;
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.about-meta-item span {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 照片画廊 */
.photo-category {
    margin-bottom: 40px;
}

.photo-category-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
}

.photo-category-title i {
    color: var(--primary);
    margin-right: 8px;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.photo-item {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    aspect-ratio: 4 / 3;
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.photo-item:hover {
    box-shadow: var(--shadow-md);
}

.photo-item:hover img {
    transform: scale(1.06);
}

/* 联系方式卡片 */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 16px;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(var(--primary-rgb), 0.35);
}

.contact-card i {
    font-size: 30px;
    color: var(--primary);
    margin-bottom: 14px;
}

.contact-card h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    word-break: break-word;
}

/* 公司实力数据带 */
.stat-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.stat-band-item {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: none;
    transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.stat-band-item:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.stat-band-num {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.stat-band-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 核心优势 */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* 三列优势（联系我们页） */
.advantage-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
    box-shadow: none;
    transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.advantage-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

.advantage-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    border-radius: 12px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: transform var(--duration) var(--ease);
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.08);
}

.advantage-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 首页公司介绍 */
.about-intro {
    display: flex;
    gap: 48px;
    align-items: center;
    flex-wrap: wrap;
}

.about-intro-text {
    flex: 1;
    min-width: 300px;
}

.about-intro-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-intro-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-intro-meta-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-intro-meta-item i {
    font-size: 20px;
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.about-intro-meta-item strong {
    display: block;
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
    margin-bottom: 2px;
}

.about-intro-meta-item span {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.about-intro-cover {
    flex: 1;
    min-width: 300px;
    height: 340px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

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

/* CTA 横幅 */
.cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 64px 64px;
    flex-wrap: wrap;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(closest-side, rgba(var(--primary-rgb), 0.14), transparent 70%);
    pointer-events: none;
}

.cta-banner h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.cta-banner p {
    font-size: 16px;
    color: var(--text-secondary);
}

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

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

/* 客户好评/案例 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.case-item {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    aspect-ratio: 3 / 4;
    background: var(--bg-card);
}

.case-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--ease);
}

.case-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

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

/* 发货与售后 */
.service-block {
    display: flex;
    gap: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.service-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-hover);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.service-content {
    flex: 1;
}

.service-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* 资质认证 */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.cert-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

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

.cert-icon {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 12px;
}

.cert-code {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.cert-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    min-height: 40px;
}

.cert-view {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
}

/* ===== 滚动淡入动效（Linear/Vercel 克制动效） ===== */
/* .reveal 元素默认隐藏，进入视口后由 motion.js 加 .revealed 触发淡入上移 */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
    will-change: opacity, transform;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* 无 JS 时直接显示，避免内容隐藏 */
.no-js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
}

/* 尊重用户「减少动态」偏好 */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .hero .hero-inner > *,
    .page-hero .page-hero-inner > * {
        animation: none;
    }
}

/* 响应式 */
@media (max-width: 992px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .article-grid { grid-template-columns: repeat(2, 1fr); }
    .photo-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-band { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .product-grid { grid-template-columns: 1fr; }
    .article-grid { grid-template-columns: 1fr; }
    .stat-band { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid { grid-template-columns: 1fr; }
    .cta-banner { flex-direction: column; text-align: center; }
    .hero h1 { font-size: 38px; }
    .site-nav { gap: 16px; }
    .hero-trust { gap: 16px; }
    .about-split-cover { height: 260px; }
}

/* ==================================================================
   v1.14.0 共享业务片段：客户案例 + 交易服务选项卡
   唯一实现：九套模板统一 include _common/cases.html 与 _common/trade.html，
   颜色全部取自 theme.css 变量，自动适配默认明暗与各模板的覆盖色。
   ================================================================== */
.cs-section, .tr-section { padding: 72px 0; }
.cs-section { background: var(--section-alt); }
.tr-section { background: var(--bg-page); }
.cs-eyebrow, .tr-eyebrow { display: block; color: var(--primary); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 10px; }
.cs-title, .tr-title { font-size: clamp(24px, 3vw, 34px); color: var(--text-primary); margin: 0 0 12px; line-height: 1.3; }
.cs-desc, .tr-desc { color: var(--text-secondary); margin: 0 0 32px; line-height: 1.7; }
.cs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cs-item { display: block; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-card); text-decoration: none; }
.cs-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; transition: transform .35s var(--ease); }
.cs-item:hover img { transform: scale(1.05); }
.cs-caption { padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; }
.cs-caption strong { color: var(--text-primary); font-size: 15px; font-weight: 500; }
.cs-caption span { color: var(--text-secondary); font-size: 13px; line-height: 1.6; }
.cs-empty { color: var(--text-tertiary); }
.tr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tr-card { padding: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); display: flex; flex-direction: column; gap: 12px; }
.tr-icon { width: 44px; height: 44px; border-radius: var(--radius-sm); background: rgba(var(--primary-rgb), .14); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 18px; }
.tr-card h3 { margin: 0; font-size: 18px; color: var(--text-primary); font-weight: 500; }
.tr-card p { margin: 0; color: var(--text-secondary); font-size: 14px; line-height: 1.7; flex: 1; }
.tr-card a { color: var(--primary); font-size: 13px; text-decoration: none; }
.tr-card a:hover { color: var(--primary-hover); }
.tr-table-wrap { margin-top: 18px; overflow-x: auto; }
.tr-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.tr-table th, .tr-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; line-height: 1.7; }
.tr-table th { width: 28%; color: var(--text-primary); font-weight: 500; background: var(--bg-hover); }
.tr-table td { color: var(--text-secondary); word-break: break-word; }
@media (max-width: 992px) {
    .cs-grid, .tr-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
    .cs-section, .tr-section { padding: 48px 0; }
    .cs-grid, .tr-grid { grid-template-columns: 1fr; }
    .tr-table th { width: 38%; }
}

/* ============================================================
   分页控件 .pager（全站唯一一份）
   产品列表、文章列表等任何列表页共用，页面里不要再各写一套分页样式
   ============================================================ */
.pager { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 44px; }
.pager a {
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary, #666);
    background: var(--bg-card, #fff);
    border: 1px solid var(--border, rgba(128, 128, 128, .2));
    border-radius: var(--radius-sm, 8px);
    text-decoration: none;
    transition: all .3s ease;
}
.pager a:hover { color: var(--primary, #1e90ff); border-color: var(--primary, #1e90ff); }
.pager a.active { color: #fff; background: var(--primary, #1e90ff); border-color: var(--primary, #1e90ff); }

@media (prefers-reduced-motion: reduce) {
    .pager a { transition-duration: .001ms !important; }
}