/* 九兮珠宝官网 · 前台样式（主题色 #1F286F / 主宽 1400px） */
:root {
    --color-primary: #1F286F;
    --color-primary-dark: #16205A;
    --color-primary-soft: #EEF0F8;
    --color-text: #1f2233;
    --color-text-light: #767b8c;
    --color-bg: #ffffff;
    --color-bg-alt: #f5f5f8;
    --color-border: #e6e8f0;
    --max-width: 1400px;
    --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary); }
img { max-width: 100%; display: block; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.empty-tip { color: var(--color-text-light); text-align: center; padding: 60px 0; }

/* 标题统一使用思源宋体 Medium（Source Han Serif CN / Noto Serif SC） */
.hero-title,
.section-title,
.page-banner h1,
.detail-title,
.article-title,
.contact-company {
    font-family: "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
    font-weight: 500;
}

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 100;
    height: var(--header-h);
    background: rgba(255,255,255,.97);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(8px);
}
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; }
.logo img { max-height: 46px; width: auto; }
.logo-text { font-size: 22px; font-weight: 600; letter-spacing: 2px; color: var(--color-primary); }
.main-nav { display: flex; gap: 40px; }
.nav-item { font-size: 15px; color: var(--color-text); position: relative; padding: 6px 0; }
.nav-item::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--color-primary); transition: width .25s; }
.nav-item:hover::after, .nav-item.active::after { width: 100%; }
.nav-item.active { color: var(--color-primary); font-weight: 600; }
.lang-switch select {
    padding: 6px 12px; border: 1px solid var(--color-primary); border-radius: 4px;
    background: #fff; color: var(--color-primary); font-size: 13px; cursor: pointer;
}
.nav-toggle { display: none; }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--color-bg-alt); }
.hero-slides { display: grid; }
.hero-slide {
    grid-area: 1 / 1; position: relative;
    opacity: 0; transition: opacity .8s ease;
    pointer-events: none;
}
.hero-slide.active { opacity: 1; pointer-events: auto; }
.hero-img { width: 100%; height: auto; min-height: 220px; object-fit: cover; display: block; }
.hero-fallback { background: linear-gradient(135deg, #1F286F, #3a4a9c); min-height: 250px; display: flex; align-items: center; }
.hero-inner { position: absolute; inset: 0; z-index: 2; width: 100%; color: #fff; text-shadow: 0 2px 14px rgba(0,0,0,.35); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.hero-slide::before { content: ""; position: absolute; inset: 0; background: rgba(15,20,55,.32); }
.hero-title { font-size: 52px; letter-spacing: 4px; margin-bottom: 16px; }
.hero-sub { font-size: 19px; margin-bottom: 34px; letter-spacing: 2px; }
.hero-btn {
    display: inline-block; padding: 13px 38px; border: 1px solid #fff; color: #fff;
    font-size: 15px; letter-spacing: 2px; transition: all .25s;
}
.hero-btn:hover { background: #fff; color: var(--color-primary); }
.hero-dots { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 10; display: flex; gap: 10px; }
.hero-dot { width: 10px; height: 10px; border-radius: 50%; border: none; background: rgba(255,255,255,.5); cursor: pointer; }
.hero-dot.active { background: #fff; }
.hero-arrow {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
    display: flex; align-items: center; justify-content: center;
    width: 52px; height: 52px; padding: 0;
    border: 1px solid rgba(255,255,255,.55); border-radius: 50%;
    background: rgba(15,20,55,.22); cursor: pointer;
    transition: all .25s; -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.hero-arrow::before {
    content: ""; width: 36px; height: 36px;
    background-position: center; background-repeat: no-repeat; background-size: contain;
    filter: brightness(0) invert(1);
}
.hero-prev::before { background-image: url("../img/arrow-prev.png"); }
.hero-next::before { background-image: url("../img/arrow-next.png"); }
.hero-arrow:hover { background: var(--color-primary); border-color: var(--color-primary); }
.hero-prev { left: 32px; }
.hero-next { right: 32px; }

/* Section */
.section { padding: 82px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-title { font-size: 30px; letter-spacing: 3px; color: var(--color-text); }
.section-title::after { content: ""; display: block; width: 46px; height: 2px; background: var(--color-primary); margin: 16px auto 0; }
.section-sub { margin-top: 16px; color: var(--color-text-light); font-size: 15px; }
.section-more { text-align: center; margin-top: 44px; }
.section-more a {
    display: inline-block; padding: 11px 34px; border: 1px solid var(--color-primary);
    color: var(--color-primary); font-size: 15px; letter-spacing: 1px; transition: all .25s;
}
.section-more a:hover { background: var(--color-primary); color: #fff; }

/* 首页甄选珠宝区块 */
.product-section { background: #F9F7F2; }
.product-section .section-more a { border-color: #B8965A; color: #B8965A; }
.product-section .section-more a:hover { background: #B8965A; color: #fff; }

/* Series（方形大图卡片） */
.series-section { background: var(--color-bg-alt); }
.series-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.series-card {
    background: #fff; border: 1px solid var(--color-border); text-align: center;
    overflow: hidden; transition: transform .25s, box-shadow .25s; display: block;
}
.series-card:hover { transform: translateY(-6px); box-shadow: 0 14px 32px rgba(31,40,111,.12); }
.series-img { aspect-ratio: 1/1; overflow: hidden; background: var(--color-primary-soft); }
.series-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.series-card:hover .series-img img { transform: scale(1.05); }
.series-card span { display: block; padding: 18px 10px; font-size: 17px; letter-spacing: 1px; color: var(--color-text); }

/* Product grid */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.goods-card { background: #fff; border: 1px solid var(--color-border); transition: transform .25s, box-shadow .25s; display: block; }
.goods-card:hover { transform: translateY(-6px); box-shadow: 0 14px 34px rgba(31,40,111,.12); }
.goods-thumb { aspect-ratio: 1/1; overflow: hidden; background: var(--color-bg-alt); }
.goods-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.goods-card:hover .goods-thumb img { transform: scale(1.05); }
.goods-info { padding: 16px 18px 22px; }
.goods-name { font-size: 16px; font-weight: 500; margin-bottom: 6px; }
.goods-desc { font-size: 13px; color: var(--color-text-light); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* About section */
.about-inner { display: flex; gap: 64px; align-items: center; }
.about-text { flex: 1; }
.about-text .section-title { text-align: left; }
.about-text .section-title::after { margin-left: 0; }
.about-body { margin: 22px 0; color: var(--color-text-light); font-size: 14px; }
.about-more { color: var(--color-primary); }
.about-media { flex: 0 0 520px; }
.about-media img { width: 100%; border-radius: 4px; }

/* 品牌故事 · 设计理念 */
.concept-section { background: #F9F7F2; }
.concept-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.concept-card { border: 1px solid var(--color-border); padding: 40px 34px; transition: transform .25s, box-shadow .25s; }
.concept-card:hover { transform: translateY(-6px); box-shadow: 0 14px 34px rgba(31,40,111,.1); }
.concept-ic { width: 46px; height: 46px; margin-bottom: 26px; }
.concept-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 14px; color: var(--color-text); }
.concept-card p { font-size: 14px; color: var(--color-text-light); line-height: 1.8; }

/* News grid (home) */
.news-section { background: #F9F7F2; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card { background: #fff; border: 1px solid var(--color-border); transition: transform .25s, box-shadow .25s; display: block; }
.news-card:hover { transform: translateY(-6px); box-shadow: 0 14px 34px rgba(31,40,111,.1); }
.news-card img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.news-card-body { padding: 20px 22px 24px; }
.news-card-body h3 { font-size: 17px; font-weight: 500; margin-bottom: 10px; line-height: 1.5; }
.news-card-body p { font-size: 14px; color: var(--color-text-light); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-body time { font-size: 13px; color: var(--color-primary); }

/* Page banner（内页 hero 图片 + 副标题） */
.page-banner {
    position: relative;
    color: #fff; border-bottom: none; overflow: hidden;
}
.page-banner-img {
    display: block;
    position: relative;
    width: 100%;
    min-height: 220px;
    object-fit: cover;
}
.page-banner .container { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: center; width: 100%; }
.page-banner h1 { font-size: 44px; letter-spacing: 4px; color: #fff; }
.page-banner-sub { margin-top: 14px; color: rgba(255,255,255,.86); font-size: 18px; letter-spacing: 2px; }

/* Breadcrumb */
.breadcrumb { padding-top: 22px; padding-bottom: 22px; font-size: 14px; color: var(--color-text-light); }
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 10px; color: #c2c6d4; }
.breadcrumb .current { color: var(--color-text); }

/* Product / News layout */
.product-layout, .news-layout { display: flex; gap: 44px; padding-top: 40px; padding-bottom: 70px; }
.product-side, .news-side { flex: 0 0 240px; }
.side-title { font-size: 18px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 2px solid var(--color-primary); }
.side-list { list-style: none; border: 1px solid var(--color-border); }
.side-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 15px 18px; color: var(--color-text); border-bottom: 1px solid var(--color-border);
    border-left: 3px solid transparent; transition: all .2s;
}
.side-item:last-child { border-bottom: none; }
.side-item::after { content: "›"; font-size: 18px; color: #b9bdcc; line-height: 1; }
.side-item:hover { color: var(--color-primary); background: var(--color-bg-alt); }
.side-item.active { color: var(--color-primary); font-weight: 600; background: var(--color-primary-soft); border-left-color: var(--color-primary); }
.product-main, .news-main { flex: 1; min-width: 0; }

/* Pager（数字页码） */
.pager { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 48px; }
.pager a, .pager span.pager-num {
    min-width: 40px; height: 40px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--color-border); color: var(--color-text); font-size: 14px; transition: all .2s;
}
.pager a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pager .pager-num.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.pager .pager-dots { border: none; color: var(--color-text-light); }

/* Detail layout */
.detail-layout { display: flex; gap: 56px; padding-top: 20px; padding-bottom: 40px; }
.detail-gallery { flex: 0 0 520px; display: flex; gap: 16px; }
.detail-thumbs { flex: 0 0 84px; display: flex; flex-direction: column; gap: 12px; }
.detail-thumb { width: 84px; height: 84px; border: 2px solid transparent; cursor: pointer; overflow: hidden; padding: 0; background: var(--color-bg-alt); }
.detail-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.detail-thumb.active, .detail-thumb:hover { border-color: var(--color-primary); }
.detail-main { flex: 1; min-width: 0; }
.detail-main-img { background-color: var(--color-bg-alt); border: 1px solid var(--color-border); overflow: hidden; aspect-ratio: 1 / 1; }
.detail-main-img img { display: block; width: 100%; height: 100%; object-fit: cover; }
.detail-info { flex: 1; }
.detail-title { font-size: 30px; margin-bottom: 14px; }
.detail-desc { color: var(--color-text-light); margin-bottom: 28px; }
.detail-params { width: 100%; border-collapse: collapse; margin-top: 10px; }
.detail-params caption { text-align: left; font-size: 17px; padding-bottom: 12px; color: var(--color-text); }
.detail-params th, .detail-params td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--color-border); font-weight: 400; }
.detail-params th { width: 130px; color: var(--color-text-light); }
.detail-content-wrap { padding-top: 20px; padding-bottom: 50px; }
.detail-content { border-top: 1px solid var(--color-border); padding-top: 34px; }
.detail-content img { margin: 16px auto; }
.related-section { background: var(--color-bg-alt); }

/* News list */
.news-list { list-style: none; }
.news-row { display: flex; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--color-border); }
.news-list li:first-child .news-row { padding-top: 0; }
.news-row:hover .news-row-title { color: var(--color-primary); }
.news-row-thumb { flex: 0 0 200px; height: 130px; object-fit: cover; }
.news-row-body { flex: 1; }
.news-row-title { font-size: 19px; font-weight: 500; margin-bottom: 10px; }
.news-row-sum { color: var(--color-text-light); font-size: 14px; margin-bottom: 12px; }
.news-row-meta { display: flex; gap: 22px; font-size: 13px; color: var(--color-text-light); }

/* Article detail */
.article-wrap { padding: 20px 0 70px; max-width: 900px; }
.article-head { text-align: center; margin-bottom: 30px; }
.article-title { font-size: 30px; margin-bottom: 16px; }
.article-meta { display: flex; justify-content: center; gap: 22px; color: var(--color-text-light); font-size: 14px; }
.article-cover { margin: 0 0 34px; }
.article-cover img { width: 100%; border-radius: 4px; }
.article-content { font-size: 16px; line-height: 1.9; }
.article-content img { margin: 20px auto; }
.article-back { margin-top: 44px; text-align: center; }
.article-back a { color: var(--color-primary); }

/* Page body */
.page-body { padding-top: 60px; padding-bottom: 70px; }
.page-body-narrow { max-width: 960px; }
.page-cover { margin-bottom: 30px; }
.page-content { font-size: 16px; line-height: 1.95; }
.page-content img { margin: 18px auto; }

/* Contact（两栏：信息 + 地图） */
.contact-wrap { display: flex; gap: 60px; align-items: flex-start; }
.contact-info { flex: 0 0 460px; }
.contact-company { font-size: 26px; margin-bottom: 28px; }
.contact-line { display: flex; gap: 10px; margin-bottom: 14px; font-size: 15px; color: var(--color-text); }
.contact-line .k { color: var(--color-text-light); flex: 0 0 auto; }
.contact-qr { margin-top: 28px; }
.contact-qr img { width: 130px; height: 130px; border: 1px solid var(--color-border); }
.contact-qr p { margin-top: 8px; font-size: 13px; color: var(--color-text-light); }
.contact-map { flex: 1; min-width: 0;  border: 1px solid var(--color-border); position: relative; overflow: hidden; background: var(--color-bg-alt); }
.contact-map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; display: block; }
.contact-map img { width: 100%; height: auto; display: block; }
.contact-map .map-ph { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: var(--color-text-light); text-align: center; padding: 24px; }

/* 兼容旧卡片（如仍引用） */
.contact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 34px; }
.contact-card { padding: 24px 26px; background: var(--color-bg-alt); border-left: 3px solid var(--color-primary); }
.contact-card h4 { font-size: 15px; color: var(--color-primary); margin-bottom: 8px; }
.contact-card p { color: var(--color-text); }
.contact-ic { width: 30px; height: 30px; display: block; margin-bottom: 12px; }

/* Footer（深蓝主题） */
.site-footer { background: var(--color-primary); color: rgba(255,255,255,.78); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.4fr 1fr; gap: 40px; padding: 64px 32px 44px; }
.footer-logo { max-height: 44px; width: auto; filter: brightness(0) invert(1); opacity: .95; }
.footer-logo-text { font-size: 20px; font-weight: 600; color: #fff; letter-spacing: 2px; }
.footer-slogan { margin-top: 16px; font-size: 14px; color: rgba(255,255,255,.6); }
.footer-col h4 { font-size: 16px; color: #fff; margin-bottom: 18px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col a { color: rgba(255,255,255,.78); }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 8px; }
.footer-contact span { color: rgba(255,255,255,.55); flex: 0 0 auto; }
.footer-qual { font-size: 13px; color: rgba(255,255,255,.6); line-height: 1.9; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); }
.footer-bottom .container { display: flex; justify-content: center; padding: 22px 32px; font-size: 13px; color: rgba(255,255,255,.55); }
.footer-icp { color: rgba(255,255,255,.55); }
.footer-icp:hover { color: #fff; }

/* 右侧悬浮工具栏（列表形式，便于扩展二维码/电话等） */
.side-toolbar {
    position: fixed; right: 26px; bottom: 150px; z-index: 90;
}
.side-tool-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.side-tool {
    width: 50px; height: 50px; border-radius: 50%; padding: 0;
    display: flex; align-items: center; justify-content: center;
    background: #fff; border: 1px solid var(--color-border);
    box-shadow: 0 6px 22px rgba(31,40,111,.16); cursor: pointer;
    transition: background .25s, color .25s;
}
.side-tool .icon { width: 26px; height: 26px; display: block; }
.side-tool:hover { background: var(--color-primary); }
.side-tool:hover .icon path { fill: #fff; }
/* 回到顶部：滚动离开顶部才显示 */
.side-tool--top {
    opacity: 0; visibility: hidden; transform: translateY(14px);
    transition: opacity .3s ease, transform .3s ease, visibility .3s, background .25s;
}
.side-tool--top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* Responsive */
@media (max-width: 1200px) {
    .product-grid, .product-grid.cols-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 992px) {
    .series-grid { grid-template-columns: repeat(2, 1fr); }
    .concept-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-layout, .about-inner, .contact-wrap { flex-direction: column; }
    .detail-gallery { flex: none; width: 100%; }
    .about-media, .contact-info { flex: none; width: 100%; }
}

/* ===== 手机端（< 900px） ===== */
@media (max-width: 900px) {
    :root { --header-h: 56px; }
    body { font-size: 13px; line-height: 1.65; }
    .container { padding: 0 16px; }

    /* Header + 汉堡菜单 */
    .nav-toggle {
        display: flex; flex-direction: column; justify-content: center; gap: 5px;
        width: 36px; height: 36px; padding: 6px; border: none; background: none; cursor: pointer;
        position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
    }
    .nav-toggle span {
        display: block; width: 100%; height: 2px; background: var(--color-text);
        border-radius: 2px; transition: all .3s;
    }
    .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .logo img { max-height: 34px; }
    .main-nav {
        display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
        background: #fff; border-bottom: 1px solid var(--color-border);
        flex-direction: column; gap: 0; padding: 8px 0; box-shadow: 0 8px 24px rgba(0,0,0,.08);
    }
    .main-nav.open { display: flex; }
    .main-nav .nav-item, .main-nav a {
        padding: 12px 24px; font-size: 15px; border-bottom: 1px solid var(--color-bg-alt);
    }
    .main-nav a:last-child { border-bottom: none; }
    .lang-switch { position: absolute; right: 60px; top: 50%; transform: translateY(-50%); }
    .lang-switch select { padding: 4px 8px; font-size: 12px; }

    /* Hero */
    .hero-title { font-size: 26px; letter-spacing: 2px; margin-bottom: 10px; }
    .hero-sub { font-size: 14px; margin-bottom: 20px; letter-spacing: 1px; }
    .hero-btn { padding: 10px 24px; font-size: 13px; }
    .hero-arrow { width: 36px; height: 36px; }
    .hero-arrow::before { width: 16px; height: 16px; }
    .hero-prev { left: 10px; }
    .hero-next { right: 10px; }

    /* Section */
    .section { padding: 40px 0; }
    .section-head { margin-bottom: 24px; }
    .section-title { font-size: 22px; letter-spacing: 2px; }
    .section-title::after { margin-top: 10px; width: 32px; }
    .section-sub { margin-top: 10px; font-size: 13px; }
    .section-more { margin-top: 24px; }
    .section-more a { padding: 9px 22px; font-size: 13px; }

    /* Grids */
    .series-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .series-card span { padding: 12px 8px; font-size: 14px; }
    .product-grid, .product-grid.cols-4 { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .goods-info { padding: 10px 12px 14px; }
    .goods-name { font-size: 14px; }
    .goods-desc { font-size: 12px; }
    .news-grid { grid-template-columns: 1fr; gap: 16px; }
    .news-card-body { padding: 14px 16px 18px; }
    .news-card-body h3 { font-size: 15px; }
    .news-card-body p { font-size: 13px; }
    .concept-grid { gap: 16px; }
    .concept-card { padding: 24px 18px; }
    .concept-card h3 { font-size: 16px; margin-bottom: 10px; }
    .concept-card p { font-size: 13px; }

    /* About */
    .about-inner { gap: 24px; }
    .about-body { margin: 14px 0; font-size: 13px; }
    .about-media { flex: none; width: 100%; }

    /* Page banner */
    .page-banner h1 { font-size: 24px; letter-spacing: 2px; }
    .page-banner-sub { margin-top: 8px; font-size: 14px; }

    /* Breadcrumb */
    .breadcrumb { padding-top: 14px; padding-bottom: 14px; font-size: 13px; }

    /* Product / News layout */
    .product-layout, .news-layout { flex-direction: column; gap: 20px; padding-top: 20px; padding-bottom: 36px; }
    .product-side, .news-side { flex: none; width: 100%; }
    .side-title { font-size: 16px; margin-bottom: 10px; }
    .side-item { padding: 12px 14px; font-size: 14px; }

    /* Pager */
    .pager { margin-top: 24px; gap: 5px; }
    .pager a, .pager span.pager-num { min-width: 32px; height: 32px; padding: 0 8px; font-size: 13px; }

    /* Detail */
    .detail-layout { gap: 20px; padding-top: 14px; padding-bottom: 24px; }
    .detail-gallery { flex-direction: column; }
    .detail-thumbs { flex-direction: row; flex: none; overflow-x: auto; }
    .detail-thumb { width: 56px; height: 56px; flex: 0 0 56px; }
    .detail-title { font-size: 20px; margin-bottom: 10px; }
    .detail-desc { margin-bottom: 16px; font-size: 13px; }
    .detail-params th { width: 90px; font-size: 13px; }
    .detail-params td { font-size: 13px; }
    .detail-params th, .detail-params td { padding: 8px 10px; }
    .detail-content-wrap { padding-top: 14px; padding-bottom: 30px; }
    .detail-content { padding-top: 20px; }

    /* News list */
    .news-row { flex-direction: column; gap: 12px; padding: 16px 0; }
    .news-row-thumb { flex: none; width: 100%; height: auto; aspect-ratio: 16/9; }
    .news-row-title { font-size: 16px; }
    .news-row-sum { font-size: 13px; }
    .news-row-meta { gap: 12px; font-size: 12px; }

    /* Article detail */
    .article-wrap { padding: 14px 0 40px; }
    .article-title { font-size: 22px; margin-bottom: 12px; }
    .article-meta { gap: 12px; font-size: 13px; }
    .article-content { font-size: 15px; line-height: 1.8; }

    /* Page body */
    .page-body { padding-top: 30px; padding-bottom: 36px; }
    .page-content { font-size: 14px; line-height: 1.85; }

    /* Contact */
    .contact-wrap { gap: 24px; }
    .contact-company { font-size: 20px; margin-bottom: 16px; }
    .contact-line { font-size: 14px; margin-bottom: 10px; }
    .contact-map {  }
    .contact-map iframe { min-height: 240px; }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 24px; padding: 36px 16px 28px; }
    .footer-col h4 { font-size: 15px; margin-bottom: 12px; }
    .footer-col li { margin-bottom: 8px; font-size: 13px; }
    .footer-slogan { margin-top: 10px; font-size: 13px; }
    .footer-bottom .container { flex-direction: column; align-items: center; gap: 6px; padding: 16px; font-size: 12px; }

    /* 右侧悬浮工具栏 */
    .side-toolbar { right: 16px; bottom: 150px; }
    .side-tool { width: 44px; height: 44px; }
    .side-tool .icon { width: 22px; height: 22px; }

    /* Empty */
    .empty-tip { padding: 36px 0; font-size: 13px; }
}