/* =====================================================================
   HPV 站群 · 企业站设计系统
   风格：蓝白医疗专业（白底 + 深色 Banner/页脚 + 大留白 + 卡片化）
   4 个站共用同一套骨架，仅通过 --brand / --brand-dark 换主色
   ===================================================================== */

/* 兜底默认值。
   注意：这里只是"默认"，真正生效的站点主色由页面 <head> 内联的 html:root 提供
   （权重 (0,1,1) > 此处的 (0,1,0)）。若把主色只写在这里，4 个站会全部变成同一套颜色。
   仅当内联变量缺失（例如纯静态预览本文件）时才会用到下面这组值。 */
:root {
    --brand: #185FA5;
    --brand-dark: #0E2C4B;
    --brand-soft: #EAF2FB;
    --brand-line: #CFE0F2;

    --text: #1B1F24;
    --text-2: #4A5560;
    --text-3: #7C8794;
    --text-invert: #FFFFFF;
    --text-invert-2: rgba(255, 255, 255, .72);

    --line: #E3E7EC;
    --line-strong: #CBD2DA;
    --bg: #FFFFFF;
    --bg-soft: #F5F8FB;
    --bg-soft-2: #EDF2F7;

    --danger-bg: #FDF3E7;
    --danger-line: #E8B478;
    --danger-text: #7A4A0B;

    --radius: 8px;
    --radius-lg: 12px;
    --wrap: 1200px;
    --gap: 24px;

    --shadow-sm: 0 1px 2px rgba(16, 32, 54, .06);
    --shadow-md: 0 6px 20px rgba(16, 32, 54, .08);
    --shadow-lg: 0 14px 40px rgba(16, 32, 54, .12);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
                 "Microsoft YaHei", "Source Han Sans SC", sans-serif;
    color: var(--text);
    background: var(--bg);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.35; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.text-c { text-align: center; }

/* ============ 顶部合规提示条（站点级强制，不可关闭） ============ */
.compliance-bar {
    background: var(--danger-bg);
    border-bottom: 1px solid var(--danger-line);
    color: var(--danger-text);
    font-size: 13px;
    padding: 8px 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    text-align: center;
}
.compliance-bar .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--danger-line); flex: none;
}

/* ============ 页头 ============ */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex; align-items: center; gap: 28px;
    height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
/* 站点标识：由构建脚本生成的方形 PNG（deploy/tools/make-og-images.py），
   4 站共用同一形状，靠主色与短标识区分。用 img 而非纯 CSS 方块，
   是为了和 Organization schema 的 logo 保持同一张图。 */
.brand-mark {
    width: 38px; height: 38px; border-radius: 9px;
    object-fit: cover; flex: none;
    /* 用 filter 而不是 box-shadow：圆形透明底图标按 alpha 轮廓投影，
       否则会沿元素方框投出一圈方形阴影，在圆形 Logo 上很突兀 */
    filter: drop-shadow(0 2px 5px rgba(15, 35, 60, .18));
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-size: 17px; font-weight: 700; }
.brand-slogan { font-size: 11px; color: var(--text-3); letter-spacing: .3px; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-item { position: relative; }
.nav-link {
    display: block; padding: 10px 14px; font-size: 15px;
    color: var(--text-2); border-radius: 6px; white-space: nowrap;
    transition: color .15s, background .15s;
}
.nav-link:hover { color: var(--brand); background: var(--brand-soft); }
.nav-item.is-active > .nav-link { color: var(--brand); font-weight: 600; }
.nav-item.is-active > .nav-link::after {
    content: ""; position: absolute; left: 14px; right: 14px; bottom: -1px;
    height: 2px; background: var(--brand); border-radius: 2px;
}
.sub-nav {
    position: absolute; top: 100%; left: 0; min-width: 190px;
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); box-shadow: var(--shadow-md);
    padding: 6px; opacity: 0; visibility: hidden;
    transform: translateY(-4px); transition: all .16s ease;
}
.nav-item:hover .sub-nav { opacity: 1; visibility: visible; transform: translateY(0); }
.sub-nav a {
    display: block; padding: 9px 12px; font-size: 14px;
    color: var(--text-2); border-radius: 5px;
}
.sub-nav a:hover { background: var(--brand-soft); color: var(--brand); }

.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 11px 22px; border-radius: 6px; font-size: 15px; font-weight: 600;
    border: 1px solid transparent; cursor: pointer;
    transition: background .15s, border-color .15s, color .15s, transform .15s;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { border-color: var(--line-strong); color: var(--text-2); background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-light { background: #fff; color: var(--brand); }
.btn-light:hover { transform: translateY(-1px); }
.btn-outline-light { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); }
.btn-block { width: 100%; }

/* 移动端菜单（无 JS 也可用：checkbox 切换） */
.menu-toggle-input { display: none; }
.menu-toggle {
    display: none; width: 40px; height: 40px; border-radius: 6px;
    border: 1px solid var(--line-strong); align-items: center; justify-content: center;
    cursor: pointer; flex: none;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
    content: ""; display: block; width: 18px; height: 2px; background: var(--text-2);
    position: relative; transition: transform .2s;
}
.menu-toggle span::before { position: absolute; top: -6px; }
.menu-toggle span::after { position: absolute; top: 6px; }

.mobile-nav { display: none; border-top: 1px solid var(--line); background: #fff; }
.mobile-nav a {
    display: block; padding: 13px 24px; border-bottom: 1px solid var(--line);
    font-size: 15px; color: var(--text-2);
}
.mobile-nav .m-group {
    padding: 12px 24px 6px; font-size: 12px; letter-spacing: .5px;
    color: var(--text-3); background: var(--bg-soft);
}

/* ============ 首页 Banner ============ */
.hero {
    background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
    color: var(--text-invert);
    padding: 64px 0 68px;
    position: relative; overflow: hidden;
}
.hero::after {
    content: ""; position: absolute; right: -120px; top: -120px;
    width: 420px; height: 420px; border-radius: 50%;
    background: rgba(255, 255, 255, .06);
}
.hero-grid {
    display: grid; grid-template-columns: 1.05fr .95fr;
    gap: 48px; align-items: center; position: relative; z-index: 1;
}
.hero-eyebrow {
    display: inline-block; font-size: 13px; letter-spacing: .6px;
    background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22);
    padding: 5px 12px; border-radius: 100px; margin-bottom: 18px;
}
/* text-wrap: balance 让标题自动均衡两行字数，避免出现「别只盯着「转」/「阴」两个字」这类割裂断行 */
.hero h1 { font-size: 38px; line-height: 1.28; color: #fff; text-wrap: balance; }
.hero-sub { margin-top: 16px; font-size: 16px; color: var(--text-invert-2); max-width: 620px; }
.hero-actions { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

.tldr {
    margin-top: 26px; padding: 18px 20px;
    background: rgba(255,255,255,.10);
    border-left: 3px solid rgba(255,255,255,.7);
    border-radius: 0 var(--radius) var(--radius) 0;
    max-width: 660px;
}
.tldr-title {
    font-size: 12px; letter-spacing: .8px; text-transform: uppercase;
    color: rgba(255,255,255,.7); margin-bottom: 6px;
}
.tldr p:last-child { font-size: 15px; color: rgba(255,255,255,.94); }

.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat {
    background: rgba(255,255,255,.09);
    border: 1px solid rgba(255,255,255,.16);
    border-radius: var(--radius-lg); padding: 20px 18px;
    backdrop-filter: blur(4px);
}
.stat-value { font-size: 26px; font-weight: 700; color: #fff; letter-spacing: .5px; }
.stat-label { font-size: 13px; color: rgba(255,255,255,.86); margin-top: 6px; font-weight: 600; }
.stat-note { font-size: 12px; color: rgba(255,255,255,.58); margin-top: 4px; line-height: 1.5; }

/* ============ 内页页头 ============ */
.page-hero {
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line);
    padding: 40px 0 36px;
}
.page-hero h1 { font-size: 30px; color: var(--text); text-wrap: balance; }
.page-hero .sub { margin-top: 12px; font-size: 15px; color: var(--text-2); max-width: 860px; }

/* ============ 面包屑 ============ */
.breadcrumb {
    display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
    font-size: 13px; color: var(--text-3); margin-bottom: 16px;
}
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { color: var(--line-strong); }
.breadcrumb .current { color: var(--text-2); }

/* ============ 区块 ============ */
.section { padding: 64px 0; }
.section.alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 34px; }
.section-head.row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.section-title { font-size: 26px; text-wrap: balance; }
.section-sub { margin-top: 10px; color: var(--text-2); font-size: 15px; max-width: 780px; }
.section-more { font-size: 14px; color: var(--brand); flex: none; font-weight: 600; }
.section-more::after { content: " →"; }

/* ============ 卡片 ============ */
.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 24px;
    transition: border-color .16s, box-shadow .16s, transform .16s;
}
.card:hover { border-color: var(--brand-line); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-icon {
    width: 44px; height: 44px; border-radius: 10px; background: var(--brand-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 14px;
}
.card-title { font-size: 17px; margin-bottom: 8px; }
.card-desc { font-size: 14px; color: var(--text-2); }

/* 优势卡（带序号） */
.adv-card { border-top: 3px solid var(--brand); }
.adv-no {
    font-size: 13px; font-weight: 700; color: var(--brand);
    letter-spacing: 1px; margin-bottom: 8px;
}

/* 文章卡 */
.art-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
    overflow: hidden; display: flex; flex-direction: column;
    transition: border-color .16s, box-shadow .16s, transform .16s;
}
.art-card:hover { border-color: var(--brand-line); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.art-cover {
    height: 132px; background: linear-gradient(135deg, var(--brand-soft), var(--bg-soft-2));
    display: flex; align-items: center; justify-content: center; font-size: 36px;
    border-bottom: 1px solid var(--line); overflow: hidden;
}
/* 上传了封面就铺满整块，没上传才回落到 emoji 占位 */
.art-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.art-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.art-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-3); }
.art-tag {
    background: var(--brand-soft); color: var(--brand);
    padding: 2px 9px; border-radius: 100px; font-size: 12px; font-weight: 600;
}
.art-title { font-size: 17px; line-height: 1.5; }
.art-card:hover .art-title { color: var(--brand); }
.art-summary {
    font-size: 14px; color: var(--text-2); line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.art-foot {
    margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line);
    font-size: 13px; color: var(--brand); font-weight: 600;
}

/* 列表式文章条目（栏目页 / 相关阅读） */
.art-row {
    display: flex; gap: 20px; padding: 22px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
    transition: border-color .16s, box-shadow .16s;
}
.art-row:hover { border-color: var(--brand-line); box-shadow: var(--shadow-sm); }
.art-row-cover {
    width: 88px; height: 88px; flex: none; border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-soft), var(--bg-soft-2));
    display: flex; align-items: center; justify-content: center; font-size: 30px;
    overflow: hidden;
}
.art-row-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* 文章详情页封面：定位在图与正文之间，宽度跟随正文列 */
.article-cover {
    margin: 0 0 26px; border-radius: 14px; overflow: hidden;
    border: 1px solid var(--line); background: var(--bg-soft-2);
}
.article-cover img { width: 100%; height: auto; display: block; }
.art-row-body { min-width: 0; }
.art-row-title { font-size: 18px; margin-bottom: 8px; }
.art-row:hover .art-row-title { color: var(--brand); }
.art-row-summary { font-size: 14px; color: var(--text-2); }

/* 团队卡 */
.team-card { text-align: left; }
.team-role { font-size: 17px; }
.team-focus {
    display: inline-block; margin: 8px 0 12px; font-size: 12px; font-weight: 600;
    color: var(--brand); background: var(--brand-soft); padding: 3px 10px; border-radius: 100px;
}
.team-desc { font-size: 14px; color: var(--text-2); margin-bottom: 14px; }
.team-block-title {
    font-size: 12px; letter-spacing: .6px; color: var(--text-3);
    margin: 14px 0 8px; font-weight: 700;
}
.tick-list li {
    position: relative; padding-left: 20px; font-size: 13.5px;
    color: var(--text-2); margin-bottom: 6px; line-height: 1.6;
}
.tick-list li::before {
    content: ""; position: absolute; left: 4px; top: 9px;
    width: 7px; height: 7px; border-radius: 50%; background: var(--brand); opacity: .55;
}
.dot-list li {
    position: relative; padding-left: 18px; font-size: 14px;
    color: var(--text-2); margin-bottom: 7px; line-height: 1.65;
}
.dot-list li::before {
    content: ""; position: absolute; left: 3px; top: 10px;
    width: 5px; height: 5px; border-radius: 50%; background: var(--brand);
}

/* ============ 事实卡（关于我们 / 联系我们） ============ */
.fact-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.fact {
    background: #fff; border: 1px solid var(--line);
    border-left: 3px solid var(--brand); border-radius: var(--radius);
    padding: 18px 20px;
}
.fact-title { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.fact-desc { font-size: 13.5px; color: var(--text-2); line-height: 1.65; }

/* ============ 正文排版 ============ */
.prose { font-size: 16px; color: #2A3038; line-height: 1.9; }
.prose > * + * { margin-top: 18px; }
.prose h2 { font-size: 22px; margin-top: 44px; padding-top: 8px; scroll-margin-top: 96px; }
.prose h2::before {
    content: ""; display: block; width: 32px; height: 3px;
    background: var(--brand); border-radius: 2px; margin-bottom: 14px;
}
.prose h3 { font-size: 18px; margin-top: 30px; }
.prose p { color: #2A3038; }
.prose strong { color: var(--text); font-weight: 600; }

/* 富文本正文：后台编辑器直出的 HTML 在这里统一接管样式。
   编辑器支持二级/三级标题、列表、引用、表格、图片，页面必须原样撑得住，
   否则运营在后台排好的版面到前台就散了。 */
.rich-text > * + * { margin-top: 18px; }
.rich-text h2:first-child, .rich-text h3:first-child { margin-top: 0; }
/* 全站 ul 被重置成无项目符号，正文里的列表必须把圆点/序号要回来 */
.rich-text ul { list-style: disc; }
.rich-text ol { list-style: decimal; }
.rich-text ul, .rich-text ol { padding-left: 24px; }
.rich-text li { margin-top: 6px; display: list-item; }
.rich-text li > p { margin: 0; }
.rich-text blockquote {
    margin: 0; padding: 14px 18px;
    border-left: 3px solid var(--brand-line);
    background: var(--bg-soft); color: var(--text-2);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.rich-text img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }
.rich-text figure { margin: 0; }
.rich-text table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.rich-text th, .rich-text td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.rich-text th { background: var(--bg-soft); font-weight: 600; }
.rich-text a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.rich-text hr { border: none; border-top: 1px solid var(--line); }
.rich-text code { background: var(--bg-soft); padding: 2px 6px; border-radius: 4px; font-size: .92em; }

/* 文章 TL;DR（白底版） */
.tldr-box {
    border: 1px solid var(--brand-line);
    background: var(--brand-soft);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    margin: 26px 0;
}
.tldr-box .tldr-label {
    font-size: 12px; font-weight: 700; letter-spacing: .8px;
    color: var(--brand); margin-bottom: 8px;
}
.tldr-box p.text { font-size: 15.5px; color: #24303D; line-height: 1.85; }

/* 目录 */
.toc {
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    background: var(--bg-soft); padding: 20px 22px; margin-bottom: 30px;
}
.toc-title { font-size: 13px; font-weight: 700; letter-spacing: .5px; color: var(--text-3); margin-bottom: 10px; }
.toc ol { margin: 0; padding-left: 20px; }
.toc li { margin-bottom: 6px; font-size: 14px; }
.toc a { color: var(--text-2); }
.toc a:hover { color: var(--brand); }

/* ============ FAQ 手风琴（details 原生，内容对爬虫可见） ============ */
.faq-list { display: grid; gap: 12px; }
.faq-item {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden;
}
.faq-item[open] { border-color: var(--brand-line); box-shadow: var(--shadow-sm); }
.faq-q {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 18px 22px; font-size: 16px; font-weight: 600;
    cursor: pointer; list-style: none; color: var(--text);
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::before {
    content: "Q"; flex: none; width: 22px; height: 22px; border-radius: 5px;
    background: var(--brand); color: #fff; font-size: 12px; font-weight: 700;
    display: flex; align-items: center; justify-content: center; margin-top: 2px;
}
.faq-q::after {
    content: "+"; margin-left: auto; flex: none; color: var(--text-3);
    font-size: 20px; font-weight: 400; line-height: 1;
}
.faq-item[open] .faq-q::after { content: "−"; color: var(--brand); }
.faq-a {
    padding: 0 22px 20px 56px; font-size: 15px; color: var(--text-2); line-height: 1.85;
}

/* ============ 布局：正文 + 侧栏 ============ */
.layout-side { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; align-items: start; }
.sidebar { display: grid; gap: 22px; position: sticky; top: 96px; }
.widget {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 22px;
}
.widget-title {
    font-size: 15px; font-weight: 700; margin-bottom: 14px;
    padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.widget-links li { margin-bottom: 10px; }
.widget-links a { font-size: 14px; color: var(--text-2); }
.widget-links a:hover { color: var(--brand); }

/* 文章头部 */
.article-head { margin-bottom: 8px; }
.article-head h1 { font-size: 32px; line-height: 1.35; }
.article-meta {
    display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
    margin-top: 16px; padding-bottom: 20px; border-bottom: 1px solid var(--line);
    font-size: 13px; color: var(--text-3);
}
.article-meta .strong { color: var(--text-2); font-weight: 600; }
.article-byline {
    margin-top: 18px; padding: 14px 18px; background: var(--bg-soft);
    border-radius: var(--radius); font-size: 13px; color: var(--text-2);
    display: flex; flex-wrap: wrap; gap: 18px;
}

/* ============ 分页 ============ */
.pager {
    display: flex; align-items: center; justify-content: center;
    gap: 8px; margin-top: 36px; flex-wrap: wrap;
}
.pager a, .pager span {
    min-width: 40px; height: 40px; padding: 0 14px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--line-strong); border-radius: 6px;
    font-size: 14px; color: var(--text-2); background: #fff;
}
.pager a:hover { border-color: var(--brand); color: var(--brand); }
.pager .current { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.pager .disabled { color: var(--text-3); opacity: .55; }

/* ============ 筛选条 ============ */
.filter-bar {
    display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
    margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--line);
}
.filter-label { font-size: 13px; color: var(--text-3); margin-right: 4px; }
.chip {
    padding: 6px 14px; border: 1px solid var(--line-strong); border-radius: 100px;
    font-size: 14px; color: var(--text-2); background: #fff;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.is-active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

/* ============ 二维码转化带 ============ */
.cta-band {
    background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
    color: #fff; padding: 56px 0;
}
.cta-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: center; }
.cta-band h2 { font-size: 27px; color: #fff; }
.cta-band .sub { margin-top: 14px; font-size: 15px; color: var(--text-invert-2); }
.cta-points { margin-top: 22px; }
.cta-points li {
    position: relative; padding-left: 24px; margin-bottom: 10px;
    font-size: 14.5px; color: rgba(255,255,255,.86);
}
.cta-points li::before {
    content: ""; position: absolute; left: 0; top: 9px;
    width: 8px; height: 8px; border-radius: 2px; background: rgba(255,255,255,.6);
}
.qr-row { display: flex; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.qr-card {
    background: #fff; border-radius: var(--radius-lg);
    padding: 18px; text-align: center; width: 186px;
    box-shadow: var(--shadow-lg);
}
.qr-card img {
    width: 150px; height: 150px; margin: 0 auto 12px;
    object-fit: contain; background: var(--bg-soft); border-radius: 6px;
}
.qr-card .qr-title { font-size: 15px; font-weight: 700; color: var(--text); }
.qr-card .qr-tip { font-size: 12px; color: var(--text-3); margin-top: 3px; }
.qr-placeholder {
    background: rgba(255,255,255,.12); border: 1px dashed rgba(255,255,255,.4);
    border-radius: var(--radius-lg); padding: 26px; flex: 1; min-width: 260px;
    font-size: 13.5px; color: rgba(255,255,255,.8); line-height: 1.7;
}
.cta-note {
    margin-top: 22px; font-size: 12.5px; color: rgba(255,255,255,.55);
    max-width: 720px; line-height: 1.7;
}

/* ============ 页脚 ============ */
.site-footer { background: #131A22; color: #A9B2BC; padding: 56px 0 0; font-size: 14px; }
/* 6 列：品牌列 + 4 组栏目 + 权威参考列 */
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(5, minmax(0, 1fr)); gap: 28px; padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-name { color: #fff; font-size: 16px; font-weight: 700; }
.footer-brand .brand-mark { width: 34px; height: 34px; border-radius: 8px; }
.footer-about { font-size: 13.5px; line-height: 1.8; color: #8F99A4; }
.footer-title { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 14px; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { font-size: 13.5px; color: #8F99A4; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
    border-top: 1px solid #232C36; padding: 20px 0;
    display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center;
    font-size: 12.5px; color: #6E7883;
}
.footer-disclaimer {
    border-top: 1px solid #232C36; padding: 18px 0 26px;
    font-size: 12.5px; color: #6E7883; line-height: 1.8;
}

/* ============ 本地预览切换条（仅开发环境渲染） ============ */
body.has-preview { padding-bottom: 68px; }
.preview-bar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 9999;
    background: #131A22; color: #E8EAED;
    border-top: 1px solid #000; font-size: 13px;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, .18);
}
.preview-inner {
    max-width: var(--wrap); margin: 0 auto; padding: 11px 24px;
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.preview-label {
    background: #2F80ED; color: #fff; font-size: 11px; font-weight: 600;
    padding: 3px 8px; border-radius: 5px; letter-spacing: .3px; white-space: nowrap;
}
.preview-sites { display: flex; gap: 8px; flex-wrap: wrap; }
.preview-chip {
    display: flex; align-items: baseline; gap: 6px;
    border: 1px solid #4A5058; background: #2B3036; color: #E8EAED;
    padding: 4px 10px; border-radius: 6px; line-height: 1.4;
    transition: background .15s, border-color .15s;
}
.preview-chip:hover { background: #3A4048; }
.preview-chip span { font-weight: 600; }
.preview-chip em { font-style: normal; font-size: 11px; opacity: .65; }
.preview-chip.is-active { color: #fff; }
.preview-chip.is-active em { opacity: .85; }
.preview-tip { color: #9AA0A6; font-size: 12px; margin-left: auto; }
.preview-tip b { color: #E8EAED; font-weight: 600; }

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
    .hero-grid { grid-template-columns: 1fr; gap: 36px; }
    .layout-side { grid-template-columns: 1fr; }
    .sidebar { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cta-grid { grid-template-columns: 1fr; gap: 32px; }
    .qr-row { justify-content: flex-start; }
    .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; gap: 26px; }
    .fact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
    .nav, .header-actions .btn { display: none; }
    .menu-toggle { display: flex; margin-left: auto; }
    .menu-toggle-input:checked ~ .mobile-nav { display: block; }
    .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .header-inner { height: 62px; }
}

@media (max-width: 640px) {
    .wrap { padding: 0 18px; }
    .section { padding: 44px 0; }
    .hero { padding: 40px 0 44px; }
    .hero h1 { font-size: 26px; }
    .stat-grid { gap: 10px; }
    .stat-value { font-size: 22px; }
    .page-hero h1 { font-size: 23px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .fact-grid { grid-template-columns: 1fr; }
    .sidebar { grid-template-columns: 1fr; }
    .article-head h1 { font-size: 23px; }
    .prose { font-size: 15.5px; }
    .prose h2 { font-size: 19px; margin-top: 34px; }
    .art-row { flex-direction: column; gap: 14px; }
    .art-row-cover { width: 100%; height: 76px; }
    .section-head.row { flex-direction: column; align-items: flex-start; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
    .qr-card { width: 100%; }
    .qr-card img { width: 100%; max-width: 200px; height: auto; aspect-ratio: 1; }
    body.has-preview { padding-bottom: 104px; }
    .preview-tip { display: none; }
}