/* 常熟博爱医院官网 - 设计令牌与全站样式 */
:root {
  --c-primary: #0E8C7F;        /* 院徽青绿 */
  --c-primary-dark: #0A6E63;
  --c-deep: #0B3F3A;           /* 页脚/顶栏深绿 */
  --c-deep-2: #0E4E48;
  --c-accent: #D8402F;         /* 红十字红 */
  --c-ink: #1F2D2B;
  --c-muted: #63736F;
  --c-line: #E2EAE8;
  --c-bg: #F3F7F6;
  --c-card: #FFFFFF;
  --c-wash: #EAF3F1;
  --radius: 8px;
  --shadow-1: 0 1px 3px rgba(15, 46, 42, .08), 0 4px 14px rgba(15, 46, 42, .06);
  --shadow-2: 0 6px 24px rgba(15, 46, 42, .12);
  --wrap: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
/* 视觉隐藏：仅供屏幕阅读器与搜索引擎识别（首页 h1 等） */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  color: var(--c-ink); background: var(--c-bg); font-size: 16px; line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--c-primary); }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
time, .dim { color: var(--c-muted); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.text-wrap, p { text-wrap: pretty; }

/* ---------- 顶栏 ---------- */
.topbar { background: var(--c-deep); color: #cfe3df; font-size: 13px; }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.top-links { display: flex; gap: 4px; }
.top-links a { padding: 0 9px; color: #cfe3df; }
.top-links a:hover { color: #fff; }

/* ---------- 头部 ---------- */
.site-header { background: var(--c-card); border-bottom: 1px solid var(--c-line); }
.header-in { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 14px; color: var(--c-deep); }
.brand:hover { color: var(--c-deep); }
.logo-mark { color: var(--c-primary); display: inline-flex; }
.brand img { max-height: 64px; width: auto; }
.brand-txt { display: flex; flex-direction: column; }
.brand-txt strong { font-size: 30px; letter-spacing: 2px; line-height: 1.25; }
.brand-txt em { font-style: normal; font-size: 11px; letter-spacing: 2.5px; color: var(--c-muted); text-transform: uppercase; }
.hotline { display: flex; align-items: center; gap: 10px; color: var(--c-accent); }
.hotline i { display: inline-flex; }
.hotline em { font-style: normal; display: block; font-size: 12px; color: var(--c-muted); }
.hotline strong { font-size: 22px; letter-spacing: .5px; font-family: Georgia, "Microsoft YaHei", serif; }

/* ---------- 主导航（三级下拉） ---------- */
.mainnav { background: var(--c-primary); position: sticky; top: 0; z-index: 60; box-shadow: var(--shadow-1); }
.nav-root { display: flex; }
.nav-root > li { position: relative; }
.nav-root > li > a { display: flex; align-items: center; gap: 6px; color: #fff; font-size: 17px; padding: 0 26px; height: 52px; letter-spacing: 1px; }
.nav-root > li:hover > a, .nav-root > li.active > a { background: var(--c-primary-dark); }
.nav-home > a { font-weight: 600; }
.caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid rgba(255, 255, 255, .75); }
/* 二级面板 */
.mega { position: absolute; left: 0; top: 52px; min-width: 100%; background: var(--c-card); border-radius: 0 0 var(--radius) var(--radius); box-shadow: var(--shadow-2); opacity: 0; visibility: hidden; transform: translateY(8px); transition: .18s ease; z-index: 70; }
.nav-root > li:hover .mega { opacity: 1; visibility: visible; transform: none; }
.mega-in { display: flex; flex-wrap: wrap; gap: 4px 40px; padding: 22px 28px; }
.mega-col { min-width: 130px; }
.mega-h { display: block; font-weight: 600; font-size: 15px; color: var(--c-deep); padding: 4px 0 8px; border-bottom: 2px solid var(--c-wash); margin-bottom: 8px; }
.mega-col ul li a { display: block; padding: 5px 0; color: var(--c-muted); font-size: 14px; }
.mega-col ul li a:hover { color: var(--c-primary); padding-left: 4px; }
/* 二/三级常规下拉（非一级栏目的下钻） */
.sub { position: absolute; left: 0; top: 52px; min-width: 176px; background: var(--c-card); border-radius: 0 0 var(--radius) var(--radius); box-shadow: var(--shadow-2); padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(8px); transition: .18s ease; z-index: 70; }
li.has-sub:hover > .sub { opacity: 1; visibility: visible; transform: none; }
.sub li { position: relative; }
.sub a { display: flex; justify-content: space-between; align-items: center; padding: 9px 18px; font-size: 15px; color: var(--c-ink); }
.sub li:hover > a { background: var(--c-wash); color: var(--c-primary-dark); }
.sub .sub { left: 100%; top: -8px; border-radius: 0 var(--radius) var(--radius) var(--radius); }
.sub .caret { border-top-color: var(--c-muted); transform: rotate(-90deg); }

/* ---------- 面包屑 ---------- */
.crumbs { padding: 14px 20px 4px; font-size: 13px; color: var(--c-muted); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.crumbs a:hover { color: var(--c-primary); }
.crumbs b { color: var(--c-ink); font-weight: 600; }
.page-main { padding-bottom: 48px; }

/* ---------- 首页 Hero ---------- */
.hero { display: grid; grid-template-columns: 1fr 300px; gap: 16px; padding-top: 16px; }
.carousel { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 21/8; background: var(--c-deep); }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease; display: grid; }
.slide.on { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.slide:not(:has(img)) { background: linear-gradient(135deg, var(--h, 160) 0%, color-mix(in oklch, oklch(42% .09 var(--h, 165)), black 12%) 55%, var(--c-deep) 100%); }
.slide:not(:has(img))::after { content: ""; position: absolute; inset: 0; background:
  radial-gradient(600px 300px at 82% 20%, rgba(255, 255, 255, .10), transparent 60%),
  radial-gradient(400px 260px at 8% 90%, rgba(216, 64, 47, .18), transparent 65%); }
.slide-cap { position: absolute; left: 48px; bottom: 44px; color: #fff; z-index: 2; max-width: 72%; }
.slide-cap strong { display: block; font-size: 34px; letter-spacing: 2px; text-shadow: 0 2px 12px rgba(0, 0, 0, .25); }
.slide-cap em { font-style: normal; display: block; margin-top: 8px; font-size: 15px; opacity: .88; }
.car-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 40px; height: 56px; border: 0; background: rgba(11, 63, 58, .35); color: #fff; font-size: 26px; cursor: pointer; opacity: 0; transition: .2s; z-index: 3; }
.carousel:hover .car-btn { opacity: 1; }
.car-btn.prev { left: 0; border-radius: 0 var(--radius) var(--radius) 0; }
.car-btn.next { right: 0; border-radius: var(--radius) 0 0 var(--radius); }
.car-dots { position: absolute; right: 18px; bottom: 14px; display: flex; gap: 7px; z-index: 3; }
.car-dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .45); cursor: pointer; transition: .2s; }
.car-dots i.on { background: #fff; transform: scale(1.25); }
.hero-side { display: flex; flex-direction: column; gap: 12px; }
.hero-card { background: var(--c-primary); color: #fff; border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-1); }
.hero-card h3 { font-size: 18px; letter-spacing: 2px; }
.hero-card p { font-size: 12.5px; opacity: .85; margin: 2px 0 10px; }
.hero-call { display: block; background: rgba(255, 255, 255, .16); border-radius: 6px; text-align: center; font-size: 20px; font-weight: 700; padding: 8px; letter-spacing: 1px; }
.hero-call:hover { background: rgba(255, 255, 255, .26); color: #fff; }
.quick-links { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 6px 0; flex: 1; display: grid; grid-template-rows: repeat(4, 1fr); }
.quick-links a { display: flex; align-items: center; gap: 12px; padding: 0 18px; height: 100%; border-bottom: 1px dashed var(--c-line); font-size: 15px; }
.quick-links li:last-child a { border-bottom: 0; }
.quick-links b { flex: 0 0 40px; height: 40px; border-radius: 8px; background: var(--c-wash); color: var(--c-primary-dark); display: grid; place-items: center; font-size: 15px; }
.quick-links a:hover b { background: var(--c-primary); color: #fff; }

/* ---------- 区块标题 ---------- */
.sec-head { display: flex; align-items: baseline; justify-content: space-between; margin: 34px 0 16px; }
.sec-head h2 { font-size: 24px; color: var(--c-deep); letter-spacing: 1px; display: flex; align-items: center; gap: 12px; }
.sec-head h2::before { content: ""; width: 5px; height: 22px; border-radius: 3px; background: linear-gradient(var(--c-primary), var(--c-accent)); }
.more { font-size: 13px; color: var(--c-muted); }
.more:hover { color: var(--c-primary); }

/* ---------- 新闻 ---------- */
.home-news { }
.news-grid { display: grid; grid-template-columns: 1fr 360px; gap: 18px; }
.news-lead { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 18px; }
.lead-card { display: grid; grid-template-columns: 280px 1fr; gap: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--c-line); }
.lead-cover { aspect-ratio: 16/10; }
.lead-card h3 { font-size: 20px; line-height: 1.5; color: var(--c-ink); }
.lead-card:hover h3 { color: var(--c-primary-dark); }
.lead-card p { font-size: 14px; color: var(--c-muted); margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.lead-card time { display: block; margin-top: 10px; font-size: 12.5px; color: var(--c-muted); }
.news-list { margin-top: 10px; }
.news-list a { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--c-line); font-size: 15px; }
.news-list li:last-child a { border-bottom: 0; }
.news-list .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--c-primary); flex: 0 0 auto; }
.news-list time { margin-left: auto; font-size: 12.5px; }
.news-aside { display: flex; flex-direction: column; gap: 18px; }
.panel { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 16px 18px; flex: 1; }
.panel-h { display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid var(--c-wash); padding-bottom: 10px; margin-bottom: 6px; }
.panel-h b { font-size: 17px; color: var(--c-deep); }
.panel-h a { font-size: 12.5px; color: var(--c-muted); }
.notice-list a { display: flex; gap: 10px; padding: 7px 0; font-size: 14px; align-items: center; }
.notice-list a span:first-child { flex: 0 0 auto; color: var(--c-primary); font-family: Georgia, serif; font-size: 13px; min-width: 34px; }
.notice-list a:hover { color: var(--c-primary-dark); }
.notice-list time { margin-left: auto; font-size: 12px; color: var(--c-muted); flex: 0 0 auto; }
.notice-list .t { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.health-list a { display: flex; gap: 10px; padding: 8px 0; font-size: 14px; align-items: center; border-bottom: 1px dashed var(--c-line); }
.health-list li:last-child a { border: 0; }
.health-list b { flex: 0 0 auto; font-size: 11.5px; color: var(--c-accent); border: 1px solid currentColor; border-radius: 3px; padding: 0 4px; line-height: 1.6; }
.health-list a:hover { color: var(--c-primary-dark); }

/* ---------- 科室导航 ---------- */
.home-depts { margin-top: 40px; background: linear-gradient(180deg, var(--c-wash), var(--c-bg)); padding: 8px 0 40px; }
.home-depts .sec-head { margin-top: 28px; }
.dept-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.dept-group { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 16px 18px 14px; transition: .2s; border-top: 3px solid transparent; }
.dept-group:hover { border-top-color: var(--c-primary); transform: translateY(-3px); box-shadow: var(--shadow-2); }
.dept-h { display: flex; justify-content: space-between; align-items: center; font-size: 17px; font-weight: 700; color: var(--c-deep); padding-bottom: 10px; border-bottom: 1px solid var(--c-line); margin-bottom: 10px; }
.dept-h i { font-style: normal; color: var(--c-muted); transition: .2s; }
.dept-group:hover .dept-h i { color: var(--c-primary); transform: translateX(3px); }
.dept-links { display: flex; flex-wrap: wrap; gap: 6px 8px; }
.dept-links a { font-size: 13.5px; color: var(--c-muted); background: var(--c-bg); border-radius: 20px; padding: 3px 12px; transition: .15s; }
.dept-links a:hover { background: var(--c-primary); color: #fff; }

/* ---------- 专家 ---------- */
.expert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.expert-card { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 22px 16px 18px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 3px; transition: .2s; }
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); color: inherit; }
.expert-pic { width: 92px; height: 92px; border-radius: 50%; object-fit: cover; margin-bottom: 8px; border: 3px solid var(--c-wash); }
.avatar { width: 92px; height: 92px; border-radius: 50%; display: grid; place-items: center; font-size: 38px; color: #fff; background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark)); margin-bottom: 8px; }
.expert-card strong { font-size: 18px; color: var(--c-deep); }
.expert-dept { font-size: 13px; color: var(--c-primary-dark); }
.expert-title { font-size: 12.5px; color: var(--c-muted); }
.expert-s { font-size: 12.5px; color: var(--c-muted); margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.home-experts { margin-top: 40px; }

/* 首页专家团队 · 横向滚动轮播（原生横向滚动容器，可拖动/滑动/触控板横滑） */
.expert-carousel { --ec-per: 4; --ec-gap: 14px; position: relative; }
.ec-viewport { overflow-x: auto; overflow-y: hidden; padding: 6px 4px 12px; -webkit-overflow-scrolling: touch; scrollbar-width: none; -ms-overflow-style: none; container-type: inline-size; }
.ec-viewport::-webkit-scrollbar { display: none; }
.ec-track { display: flex; flex-wrap: nowrap; gap: var(--ec-gap); width: max-content; }
.ec-track .expert-card { flex: 0 0 auto; width: 268px; width: calc((100cqw - (var(--ec-per) - 1) * var(--ec-gap)) / var(--ec-per)); }
.ec-btn { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 40px; height: 40px; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .94); color: var(--c-deep); font-size: 22px; line-height: 1; cursor: pointer; display: grid; place-items: center; box-shadow: var(--shadow-2); transition: background .2s, color .2s; }
.ec-btn:hover { background: var(--c-primary); color: #fff; }
.ec-btn[hidden] { display: none; }
.ec-btn.prev { left: -8px; }
.ec-btn.next { right: -8px; }
@media (max-width: 1100px) { .expert-carousel { --ec-per: 3; } }
@media (max-width: 900px) { .expert-carousel { --ec-per: 2; } }
@media (max-width: 600px) { .expert-carousel { --ec-per: 1; } .ec-btn.prev { left: 4px; } .ec-btn.next { right: 4px; } }

/* ---------- 医院环境 ---------- */
.home-env { margin-top: 40px; }
.env-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.env-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-1); display: block; }
.env-card img { width: 100%; height: 100%; object-fit: cover; transition: .35s; }
.env-card:hover img { transform: scale(1.05); }
.env-card b { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 14px 10px; color: #fff; font-size: 14.5px; background: linear-gradient(transparent, rgba(11, 63, 58, .82)); }
/* 占位图卡 */
.ph-card { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; background: repeating-linear-gradient(45deg, #E8F0EE, #E8F0EE 12px, #EDF4F2 12px, #EDF4F2 24px); color: var(--c-primary-dark); }
.ph-card span { font-size: 17px; font-weight: 700; letter-spacing: 1px; }
.ph-card i { font-style: normal; font-size: 11.5px; color: var(--c-muted); }
.r43 { aspect-ratio: 4/3; }
.env-card .ph-card { position: absolute; inset: 0; }

/* ---------- 指南卡 ---------- */
.home-guide { margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.guide-card { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 20px; border-left: 4px solid var(--c-primary); }
.guide-card h3 { font-size: 16px; color: var(--c-deep); margin-bottom: 8px; }
.guide-card p { font-size: 14px; color: var(--c-muted); }
.guide-card.qr { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.guide-card.qr img { width: 84px; height: 84px; border-radius: 6px; border: 1px solid var(--c-line); }

/* ---------- 栏目页布局 ---------- */
.col-layout { display: grid; grid-template-columns: 260px 1fr; gap: 18px; padding-top: 18px; align-items: start; }
.col-side { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 66px; }
.side-box { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); overflow: hidden; }
.side-box > h3 { background: var(--c-primary); color: #fff; font-size: 17px; padding: 12px 18px; letter-spacing: 1px; }
.side-ul li a { display: flex; justify-content: space-between; align-items: center; padding: 10px 18px; font-size: 15px; border-bottom: 1px solid var(--c-wash); }
.side-ul li:last-child a { border-bottom: 0; }
.side-ul li a:hover, .side-ul li.on > a { background: var(--c-wash); color: var(--c-primary-dark); font-weight: 600; }
.side-ul .lv2 { padding-left: 14px; }
.side-ul .lv3 { padding-left: 28px; }
.side-ul .lv2 a, .side-ul .lv3 a { font-size: 14px; }
.side-contact { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 16px 18px; border-top: 3px solid var(--c-accent); }
.side-contact h4 { font-size: 15px; color: var(--c-deep); margin-bottom: 8px; }
.side-contact p { font-size: 13px; color: var(--c-muted); margin-bottom: 8px; }
.side-contact strong { font-size: 20px; color: var(--c-accent); }
.col-main { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 22px 28px 30px; min-height: 480px; }
.col-title { border-bottom: 2px solid var(--c-wash); padding-bottom: 12px; margin-bottom: 18px; }
.col-title h1 { font-size: 22px; color: var(--c-deep); letter-spacing: 1px; display: flex; align-items: center; gap: 10px; }
.col-title h1::before { content: ""; width: 4px; height: 18px; border-radius: 2px; background: var(--c-primary); }
.sub-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.sub-tabs a { font-size: 14px; padding: 5px 16px; border-radius: 20px; background: var(--c-bg); color: var(--c-muted); }
.sub-tabs a:hover { background: var(--c-primary); color: #fff; }

/* 文章列表 */
.art-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--c-line); align-items: center; }
.art-cover { flex: 0 0 148px; aspect-ratio: 16/10; border-radius: 6px; overflow: hidden; }
.art-cover img { width: 100%; height: 100%; object-fit: cover; }
.art-cover.ph { display: grid; place-items: center; background: repeating-linear-gradient(45deg, #E8F0EE, #E8F0EE 10px, #EDF4F2 10px, #EDF4F2 20px); color: var(--c-primary-dark); font-size: 14px; }
.art-t { font-size: 16.5px; font-weight: 600; color: var(--c-ink); display: flex; align-items: center; gap: 8px; }
li:hover .art-t { color: var(--c-primary-dark); }
.top-tag { font-style: normal; font-size: 11px; color: var(--c-accent); border: 1px solid currentColor; border-radius: 3px; padding: 0 5px; }
.art-s { font-size: 13.5px; color: var(--c-muted); margin-top: 4px; }
.art-meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--c-muted); margin-top: 6px; }
.art-meta i { font-style: normal; }
.pager { display: flex; gap: 6px; justify-content: center; margin: 26px 0 4px; flex-wrap: wrap; }
.pager a { min-width: 34px; height: 34px; display: grid; place-items: center; padding: 0 10px; border-radius: 6px; border: 1px solid var(--c-line); font-size: 14px; color: var(--c-muted); }
.pager a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pager a.on { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.pager span { align-self: center; color: var(--c-muted); }
.empty { text-align: center; color: var(--c-muted); padding: 60px 0; font-size: 15px; }
.empty h2 { font-size: 56px; color: var(--c-line); margin-bottom: 10px; }
.btn { display: inline-block; background: var(--c-primary); color: #fff !important; padding: 8px 26px; border-radius: 6px; margin-top: 12px; }

/* 单页 */
.page-article { font-size: 16px; }

/* 文章详情 */
.art-h1 { font-size: 26px; line-height: 1.5; color: var(--c-ink); text-align: center; margin-top: 8px; }
.art-info { display: flex; justify-content: center; gap: 18px; font-size: 13px; color: var(--c-muted); padding: 14px 0 18px; border-bottom: 1px solid var(--c-wash); margin-bottom: 22px; flex-wrap: wrap; }
.art-content { font-size: 16.5px; line-height: 2; color: #2a3835; overflow-wrap: break-word; }
.art-content p { margin: 0 0 14px; text-align: justify; }
.art-content h2, .art-content h3 { color: var(--c-deep); margin: 22px 0 12px; font-size: 20px; border-left: 4px solid var(--c-primary); padding-left: 12px; }
.art-content h3 { font-size: 18px; }
.art-content img { border-radius: var(--radius); margin: 8px auto; box-shadow: var(--shadow-1); max-width: 100%; height: auto; }
/* 正文视频：自适应宽度，播放器居中 */
.art-content video { max-width: 100%; height: auto; display: block; margin: 0 auto; border-radius: var(--radius); background: #000; box-shadow: var(--shadow-1); }
.art-content .art-video-wrap { margin: 18px 0; text-align: center; }
.art-content .art-video-cap { margin-top: 8px; font-size: 13.5px; color: var(--c-muted); }
.art-content .art-video-embed iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: var(--radius); display: block; }
.art-content ul, .art-content ol { margin: 0 0 14px 22px; }
.art-content ul { list-style: disc; } .art-content ol { list-style: decimal; }
.art-content li { margin-bottom: 6px; }
.art-content blockquote { background: var(--c-wash); border-left: 4px solid var(--c-primary); padding: 12px 16px; border-radius: 0 6px 6px 0; margin-bottom: 14px; color: var(--c-primary-dark); }
.art-content table { border-collapse: collapse; width: 100%; margin-bottom: 14px; }
.art-content th, .art-content td { border: 1px solid var(--c-line); padding: 8px 12px; font-size: 14.5px; }
.art-content th { background: var(--c-wash); color: var(--c-deep); }
.art-content a { color: var(--c-primary-dark); text-decoration: underline; text-underline-offset: 3px; }
.art-share { display: flex; align-items: center; gap: 12px; margin-top: 30px; padding: 14px 16px; background: var(--c-wash); border-radius: var(--radius); font-size: 13.5px; color: var(--c-muted); }
.art-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; font-size: 14px; }
.art-prevnext a { display: block; padding: 12px 14px; background: var(--c-bg); border-radius: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.art-prevnext b { color: var(--c-muted); font-weight: 500; margin-right: 8px; }
.art-prevnext .nx { text-align: right; }
.rel-box { margin-top: 30px; background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 18px 22px; }
.rel-list a { display: flex; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--c-line); font-size: 14.5px; align-items: center; }
.rel-list li:last-child a { border: 0; }
.rel-list time { margin-left: auto; font-size: 12px; }

/* 搜索 */
.search-wrap { max-width: 860px; margin: 0 auto; padding: 34px 20px; }
.search-big { display: flex; gap: 10px; margin-bottom: 18px; }
.search-big input { flex: 1; height: 48px; border: 2px solid var(--c-primary); border-radius: var(--radius); padding: 0 16px; font-size: 16px; outline: none; }
.search-big button { height: 48px; padding: 0 34px; border: 0; border-radius: var(--radius); background: var(--c-primary); color: #fff; font-size: 16px; cursor: pointer; }
.search-big button:hover { background: var(--c-primary-dark); }
.search-count { color: var(--c-muted); font-size: 14px; margin-bottom: 10px; }
.search-count b { color: var(--c-accent); }

/* ---------- 友情链接（页脚上方，下拉框形式） ---------- */
.flinks { background: #fff; border-top: 1px solid var(--c-line); padding: 26px 0 30px; margin-top: 50px; }
.flinks-title { font-size: 22px; font-weight: 400; color: var(--c-ink); letter-spacing: 1px; margin-bottom: 18px; }
.flinks-title em { font-style: normal; font-size: 15px; color: #9aa7a4; margin-left: 6px; letter-spacing: 0; }
.flinks-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.flink-dd { position: relative; }
.flink-head { width: 100%; height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 16px; background: #fff; border: 1px solid var(--c-line); border-radius: 2px; cursor: pointer; font-size: 14.5px; color: var(--c-ink); font-family: inherit; text-align: left; }
.flink-head span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flink-head:hover { border-color: var(--c-primary); color: var(--c-primary); }
.flink-caret { flex: none; width: 0; height: 0; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 6px solid #8b9a97; transition: transform .2s ease; }
.flink-dd.open .flink-caret { transform: rotate(180deg); }
.flink-dd.open .flink-head { border-color: var(--c-primary); color: var(--c-primary); }
.flink-menu { position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 30; background: #fff; border: 1px solid var(--c-line); border-radius: 4px; box-shadow: 0 10px 30px rgba(15,46,42,.13); padding: 6px 0; margin: 0; list-style: none; max-height: 300px; overflow-y: auto; display: none; }
.flink-dd.open .flink-menu { display: block; }
.flink-menu li { list-style: none; }
.flink-menu a { display: block; padding: 9px 16px; font-size: 14px; color: var(--c-ink); line-height: 1.5; }
.flink-menu a:hover { background: var(--c-wash, #EAF3F1); color: var(--c-primary); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-deep); color: #b9d2cd; }
.foot-main { display: grid; grid-template-columns: 1.4fr .8fr 1fr auto; gap: 30px; padding: 42px 20px 34px; }
.foot-col h4 { color: #fff; font-size: 16px; letter-spacing: 1px; margin-bottom: 14px; position: relative; padding-bottom: 10px; }
.foot-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--c-accent); }
.foot-about p { font-size: 13.5px; line-height: 1.9; }
.foot-line { margin-top: 10px; color: #8fb0aa; }
.foot-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.foot-links a { font-size: 13.5px; color: #b9d2cd; }
.foot-links a:hover { color: #fff; }
.foot-contact li { font-size: 13.5px; margin-bottom: 10px; line-height: 1.6; }
.foot-qr { text-align: center; }
.foot-qr img { width: 128px; height: 128px; border-radius: 8px; background: #fff; padding: 5px; margin: 0 auto 8px; }
.foot-qr span { font-size: 12.5px; color: #8fb0aa; display: block; }
.foot-bar { background: var(--c-deep-2); padding: 14px 0; font-size: 12.5px; }
.foot-bar .wrap { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; align-items: center; }
.foot-bar a { color: #8fb0aa; }
.foot-bar a:hover { color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .dept-grid, .expert-grid, .env-grid, .home-guide { grid-template-columns: repeat(2, 1fr); }
  .col-layout { grid-template-columns: 1fr; }
  .col-side { position: static; }
  .foot-main { grid-template-columns: 1fr 1fr; }
  .flinks-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .brand-txt strong { font-size: 22px; }
  .header-in { flex-wrap: wrap; }
  .nav-root { flex-wrap: wrap; }
  .nav-root > li > a { padding: 0 14px; font-size: 15px; height: 44px; }
  .mega, .sub { position: static; opacity: 1; visibility: visible; transform: none; display: none; box-shadow: none; border-top: 1px solid var(--c-line); }
  .nav-root > li:hover .mega, .nav-root li.has-sub:hover .sub { display: block; }
  .mega-in { flex-direction: column; gap: 8px; }
  .slide-cap strong { font-size: 20px; } .slide-cap { left: 20px; bottom: 24px; }
  .lead-card { grid-template-columns: 1fr; }
  .dept-grid, .expert-grid, .env-grid, .home-guide { grid-template-columns: 1fr; }
  .foot-main { grid-template-columns: 1fr; }
  .flinks-row { grid-template-columns: 1fr; }
  .flinks { padding: 20px 0 24px; }
  .flinks-title { font-size: 19px; }
  .col-main { padding: 18px 16px 24px; }
  .art-cover { flex-basis: 104px; }
  /* 手机端细节优化 */
  .topbar .wrap { height: auto; min-height: 36px; flex-wrap: wrap; justify-content: center; padding: 3px 12px; }
  .topbar .welcome { display: none; }
  .mainnav { position: static; }   /* 多行导航不吸顶，避免长期占据屏幕 */
  .art-content table { display: block; width: max-content; max-width: 100%; overflow-x: auto; }  /* 宽表格横向滑动而非挤压 */
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}