:root {
  --ink: #17201d;
  --muted: #68716d;
  --paper: #f7f4ed;
  --white: #fffefa;
  --line: #dcd9cf;
  --green: #0d5c46;
  --green-dark: #073d30;
  --orange: #f26033;
  --yellow: #f2bd3f;
  --blue: #326a9a;
  --radius: 5px;
  --shadow: 0 14px 36px rgba(27, 48, 39, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 10%, rgba(242,189,63,.08), transparent 26rem),
    var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
.wrap { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.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;
}
.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 100;
  padding: 8px 12px; background: white; transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.topline { background: var(--green-dark); color: #cbd8d3; font-size: 12px; }
.topline-inner { height: 34px; display: flex; align-items: center; gap: 24px; }
.topline time { color: #8eaaa0; }
.top-links { margin-left: auto; display: flex; gap: 22px; }
.top-links a:hover { color: white; }
.brand-row { min-height: 112px; display: flex; align-items: center; gap: 40px; }
.brand { display: flex; align-items: center; min-width: 260px; }
.brand-logo { display: block; width: 250px; height: auto; }
.brand-mark { position: relative; width: 45px; height: 45px; margin-right: 10px; }
.brand-mark i { position: absolute; display: block; width: 11px; background: var(--orange); border-radius: 8px 8px 2px 2px; transform-origin: 50% 100%; }
.brand-mark i:nth-child(1) { height: 28px; left: 4px; top: 13px; transform: rotate(-32deg); }
.brand-mark i:nth-child(2) { height: 39px; left: 17px; top: 1px; }
.brand-mark i:nth-child(3) { height: 26px; right: 3px; top: 14px; transform: rotate(34deg); }
.brand-name { font-family: "STKaiti", "KaiTi", serif; font-size: 42px; font-weight: 700; letter-spacing: 2px; color: var(--green-dark); }
.brand-tagline { margin: 8px 0 0 12px; padding-left: 12px; border-left: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.6; letter-spacing: 2px; }
.search { flex: 1; display: flex; max-width: 510px; height: 43px; border: 2px solid var(--green); background: white; border-radius: var(--radius); overflow: hidden; box-shadow: 3px 3px 0 #d8e2dc; }
.search input { flex: 1; min-width: 0; border: 0; outline: 0; padding: 0 15px; color: var(--ink); background: transparent; font-size: 14px; }
.search button { width: 104px; border: 0; background: var(--green); color: white; font-weight: 700; cursor: pointer; }
.search button:hover { background: var(--green-dark); }
.weather { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.weather-icon { color: var(--orange); font-size: 29px; }
.weather b, .weather small { display: block; }
.weather b { font-size: 12px; }
.weather small { margin-top: 2px; color: var(--muted); font-size: 11px; }

.main-nav { color: white; background: var(--green); border-bottom: 4px solid var(--yellow); }
.nav-inner { height: 48px; display: flex; align-items: stretch; }
.nav-inner a { position: relative; flex: 1; display: grid; place-items: center; font-size: 15px; font-weight: 600; letter-spacing: 1px; transition: background .2s; }
.nav-inner a:hover, .nav-inner a.active { background: var(--green-dark); }
.nav-inner a.active::after {
  content: ""; position: absolute; bottom: -4px; left: calc(50% - 5px);
  border: 5px solid transparent; border-bottom-color: var(--paper);
}

.notice { height: 44px; display: flex; align-items: center; gap: 17px; border-bottom: 1px solid var(--line); font-size: 13px; overflow: hidden; }
.notice-label { padding: 4px 9px; color: white; background: var(--orange); border-radius: 2px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.notice-track { position: relative; flex: 1; height: 20px; overflow: hidden; }
.notice-track span { position: absolute; inset: 0; display: flex; align-items: center; transition: opacity .5s, transform .5s; }
.notice-track span:nth-child(2) { opacity: 0; transform: translateY(100%); }
.notice-track.show-second span:first-child { opacity: 0; transform: translateY(-100%); }
.notice-track.show-second span:nth-child(2) { opacity: 1; transform: translateY(0); }
.notice-date { color: var(--muted); font-size: 11px; }

.hero-grid { display: grid; grid-template-columns: 1.7fr 1fr .92fr; gap: 24px; padding: 30px 0 38px; border-bottom: 1px solid var(--line); }
.lead-card { overflow: hidden; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }
.lead-visual { position: relative; display: block; height: 260px; overflow: hidden; background: #f2c34b; }
.lead-visual::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(155deg, transparent 0 46%, rgba(255,255,255,.22) 46.2% 47%, transparent 47.2%);
}
.scene-sun { position: absolute; width: 96px; height: 96px; top: 36px; right: 52px; border-radius: 50%; background: #fff1b8; box-shadow: 0 0 0 20px rgba(255,255,255,.12); }
.scene-building { position: absolute; bottom: -10px; display: block; background: var(--green-dark); }
.scene-building::after { content: ""; position: absolute; inset: 18px 12px; background: repeating-linear-gradient(90deg, #7ca28e 0 9px, transparent 9px 23px), repeating-linear-gradient(0deg, transparent 0 25px, #204f41 25px 28px); }
.building-a { width: 145px; height: 178px; left: 48px; transform: skewY(-4deg); }
.building-b { width: 120px; height: 125px; left: 178px; background: #28735b; }
.scene-tree { position: absolute; right: 17px; bottom: -26px; color: #327a53; font-family: serif; font-size: 160px; line-height: 1; transform: rotate(-7deg); }
.scene-window { position: absolute; left: 10px; bottom: 0; width: 100%; height: 19px; background: var(--orange); transform: skewX(-40deg); }
.visual-label { position: absolute; top: 18px; left: 18px; padding: 7px 10px; background: rgba(255,254,250,.93); color: var(--green-dark); font-size: 11px; font-weight: 700; letter-spacing: 1px; }
.lead-content { padding: 24px 26px 26px; }
.eyebrow { margin: 0 0 8px; color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: 2px; }
.lead-content h1 { margin: 0; font-size: 25px; line-height: 1.45; }
.lead-content h1 a:hover, .headline-list h2 a:hover, .article-body h3 a:hover { color: var(--green); }
.lead-content > p:not(.eyebrow) { margin: 10px 0 17px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.text-link { color: var(--green); font-size: 13px; font-weight: 700; }
.text-link span { margin-left: 5px; color: var(--orange); }

.headline-list { display: flex; flex-direction: column; }
.headline-list article { flex: 1; display: flex; gap: 15px; padding: 20px 0; border-bottom: 1px dashed #c9c7bf; }
.headline-list article:first-child { padding-top: 2px; }
.headline-list article:last-child { border-bottom: 0; padding-bottom: 0; }
.rank { flex: 0 0 31px; color: #c7c9c3; font-family: Georgia, serif; font-size: 24px; font-style: italic; }
.category { color: var(--orange); font-size: 11px; font-weight: 700; }
.headline-list h2 { margin: 6px 0; font-size: 17px; line-height: 1.55; }
.headline-list p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }

.quick-panel { padding: 20px; color: white; background: var(--green-dark); box-shadow: 7px 7px 0 #d8d4c7; }
.panel-title, .side-title { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 13px; border-bottom: 1px solid rgba(255,255,255,.18); }
.panel-title h2, .side-title h2 { margin: 0; font-size: 17px; }
.panel-title span, .side-title span { color: #91ada3; font-size: 9px; letter-spacing: 1.5px; }
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: 10px; }
.quick-grid a { padding: 13px 4px; border-bottom: 1px solid rgba(255,255,255,.1); color: #e2ece8; font-size: 12px; }
.quick-grid a:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.1); }
.quick-grid a span { display: inline-grid; place-items: center; width: 23px; height: 23px; margin-right: 5px; color: var(--yellow); border: 1px solid #587c6e; border-radius: 50%; }
.quick-grid a:hover { color: var(--yellow); }
.hot-search { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; font-size: 10px; }
.hot-search b { width: 100%; color: #8da79e; font-weight: 500; }
.hot-search a { padding: 4px 7px; color: #d6e1dd; background: rgba(255,255,255,.08); }

.topic-strip { padding: 38px 0 42px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 20px; }
.section-heading > div:first-child { display: flex; align-items: center; gap: 15px; }
.heading-index { color: var(--orange); font-size: 10px; font-weight: 800; letter-spacing: 1px; writing-mode: vertical-rl; transform: rotate(180deg); }
.section-heading h2 { margin: 0; font-size: 25px; letter-spacing: 1px; }
.section-heading > a { color: var(--muted); font-size: 12px; }
.topic-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.topic-card { position: relative; min-height: 150px; padding: 22px; overflow: hidden; border-radius: var(--radius); transition: transform .2s, box-shadow .2s; }
.topic-card::after { content: ""; position: absolute; width: 95px; height: 95px; right: -23px; bottom: -32px; border: 16px solid rgba(255,255,255,.21); border-radius: 50%; }
.topic-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.topic-orange { color: white; background: #d9532e; }
.topic-blue { color: white; background: #315f82; }
.topic-green { color: white; background: #407858; }
.topic-yellow { background: #eabb42; }
.topic-no { display: block; font-size: 10px; opacity: .74; }
.topic-card strong { display: block; margin-top: 22px; font-size: 19px; }
.topic-card small { display: block; margin-top: 6px; opacity: .78; }
.topic-card i { position: absolute; right: 18px; top: 16px; font-style: normal; font-size: 20px; }

.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 38px; padding: 38px 0 44px; border-top: 1px solid var(--line); }
.section-heading.compact { align-items: center; }
.filter-tabs { display: flex; gap: 5px; }
.filter-tabs button { padding: 5px 9px; border: 0; color: var(--muted); background: transparent; font-size: 11px; cursor: pointer; border-radius: 2px; }
.filter-tabs button.active { color: white; background: var(--green); }
.article-list article { display: grid; grid-template-columns: 112px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.article-list article:first-child { padding-top: 5px; }
.article-icon { display: grid; place-items: center; width: 112px; height: 95px; color: rgba(255,255,255,.9); font-family: "STKaiti", "KaiTi", serif; font-size: 30px; border-radius: 3px; }
.icon-home { background: linear-gradient(135deg, #e7a133, #c95930); }
.icon-digital { background: linear-gradient(135deg, #3d8291, #254e70); }
.icon-city { background: linear-gradient(135deg, #7d9b65, #32634f); }
.icon-trip { background: linear-gradient(135deg, #c46c58, #7d4854); }
.meta { display: flex; align-items: center; gap: 13px; color: #929994; font-size: 10px; }
.meta a { color: var(--green); font-weight: 700; }
.meta time { padding-left: 13px; border-left: 1px solid var(--line); }
.article-body h3 { margin: 7px 0 7px; font-size: 18px; line-height: 1.5; }
.article-body > p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.tags { display: flex; gap: 12px; margin-top: 10px; color: #969c98; font-size: 9px; }
.load-more { width: 100%; margin-top: 20px; padding: 11px; border: 1px solid var(--line); background: transparent; cursor: pointer; font-size: 12px; }
.load-more:hover { color: white; background: var(--green); border-color: var(--green); }

.sidebar { display: flex; flex-direction: column; gap: 18px; }
.calendar-card { padding: 20px; background: var(--white); border: 1px solid var(--line); }
.calendar-card > p { margin: 0; color: var(--orange); font-size: 11px; font-weight: 700; letter-spacing: 2px; }
.date-block { display: flex; align-items: center; gap: 13px; margin: 14px 0; }
.date-block > strong { font-family: Georgia, serif; font-size: 62px; font-weight: 400; line-height: 1; }
.date-block span { padding-left: 13px; border-left: 1px solid var(--line); }
.date-block b, .date-block small { display: block; }
.date-block b { font-size: 12px; }
.date-block small { margin-top: 5px; color: var(--muted); font-size: 11px; }
.calendar-card blockquote { margin: 18px 0; padding: 12px 0 12px 16px; color: #59645f; border-left: 3px solid var(--yellow); font-family: "STKaiti", "KaiTi", serif; line-height: 1.8; }
.today-tips { display: flex; gap: 8px; }
.today-tips span { flex: 1; font-size: 10px; }
.today-tips i { display: inline-grid; place-items: center; width: 21px; height: 21px; margin-right: 5px; color: white; background: var(--green); border-radius: 50%; font-style: normal; }
.today-tips span:last-child i { background: #9c6a5c; }
.rank-card { padding: 20px; color: white; background: var(--green-dark); }
.rank-card ol { list-style: none; margin: 7px 0 0; padding: 0; }
.rank-card li a { display: flex; align-items: center; gap: 11px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.09); font-size: 12px; }
.rank-card li:last-child a { border-bottom: 0; }
.rank-card li a:hover span { color: var(--yellow); }
.rank-card li i { color: #88a69a; font-family: Georgia, serif; font-size: 17px; font-style: italic; }
.rank-card li:first-child i, .rank-card li:nth-child(2) i { color: var(--yellow); }
.about-card { position: relative; padding: 20px; overflow: hidden; border: 1px solid var(--line); }
.mini-mark { position: absolute; right: -12px; bottom: -27px; color: rgba(13,92,70,.07); font-family: "STKaiti", "KaiTi", serif; font-size: 120px; }
.about-card h2 { margin: 0 0 9px; font-size: 16px; }
.about-card p { position: relative; margin: 0 0 12px; color: var(--muted); font-size: 11px; line-height: 1.8; }
.about-card a { position: relative; color: var(--green); font-size: 11px; font-weight: 700; }

.research-guide { padding: 44px 0; border-top: 1px solid var(--line); }
.guide-note { color: var(--muted); font-size: 11px; letter-spacing: 1px; }
.guide-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding: 24px 28px; background: var(--white); border-left: 4px solid var(--green); }
.guide-intro p { margin: 0; color: #59635f; font-size: 13px; line-height: 2; }
.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 24px; background: var(--line); border: 1px solid var(--line); }
.method-grid article { position: relative; padding: 28px 30px 26px; background: var(--paper); overflow: hidden; }
.method-no { position: absolute; right: 18px; top: 9px; color: rgba(13,92,70,.08); font-family: Georgia, serif; font-size: 58px; font-style: italic; line-height: 1; }
.method-grid h3 { position: relative; margin: 0 0 10px; font-size: 17px; }
.method-grid p { position: relative; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.85; }
.method-grid ul { margin: 14px 0 0; padding: 13px 0 0; border-top: 1px dashed #cfccc2; list-style: none; }
.method-grid li { display: inline-block; margin: 3px 13px 3px 0; color: var(--green); font-size: 10px; }
.method-grid li::before { content: "·"; margin-right: 4px; color: var(--orange); font-weight: 800; }
.metric-panel { display: grid; grid-template-columns: 210px 1fr; margin-top: 24px; color: white; background: var(--green-dark); }
.metric-title { padding: 27px; border-right: 1px solid rgba(255,255,255,.12); }
.metric-title span { color: var(--yellow); font-size: 9px; letter-spacing: 2px; }
.metric-title h3 { margin: 9px 0 0; font-size: 18px; line-height: 1.55; }
.metric-panel dl { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; }
.metric-panel dl div { padding: 19px 21px; border-right: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08); }
.metric-panel dl div:nth-child(3n) { border-right: 0; }
.metric-panel dl div:nth-last-child(-n+3) { border-bottom: 0; }
.metric-panel dt { color: var(--yellow); font-size: 11px; font-weight: 700; }
.metric-panel dd { margin: 5px 0 0; color: #a9beb6; font-size: 10px; line-height: 1.65; }
.faq-section { display: grid; grid-template-columns: 240px 1fr; gap: 35px; padding: 42px 0; border-top: 1px solid var(--line); }
.faq-heading span { color: var(--orange); font-family: Georgia, serif; font-size: 12px; font-weight: 700; letter-spacing: 2px; }
.faq-heading h2 { margin: 8px 0 0; font-size: 22px; line-height: 1.5; }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 16px 35px 16px 2px; font-size: 13px; font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 5px; top: 12px; color: var(--green); font-size: 21px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -3px 35px 17px 2px; color: var(--muted); font-size: 12px; line-height: 1.85; }

.link-cloud { display: flex; align-items: center; gap: 30px; padding: 25px 0; border-top: 1px solid var(--line); }
.link-cloud h2 { margin: 0; font-size: 14px; white-space: nowrap; }
.link-cloud div { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.link-cloud a { color: var(--muted); font-size: 11px; }
.link-cloud a:hover { color: var(--green); }

.site-footer { margin-top: 20px; color: #bed0c9; background: var(--green-dark); border-top: 5px solid var(--yellow); }
.footer-main { display: grid; grid-template-columns: 1.4fr .8fr .8fr 1.4fr; gap: 45px; padding: 45px 0 38px; }
.footer-brand .brand-name { color: white; }
.footer-brand p { margin: 10px 0 0; font-size: 12px; line-height: 1.8; }
.footer-col h2 { margin: 0 0 14px; color: white; font-size: 13px; }
.footer-col a { display: block; margin: 9px 0; font-size: 11px; }
.footer-col a:hover { color: var(--yellow); }
.footer-note { padding: 17px 20px; border: 1px solid rgba(255,255,255,.15); }
.footer-note span, .footer-note strong, .footer-note small { display: block; }
.footer-note span { color: var(--yellow); font-size: 10px; letter-spacing: 2px; }
.footer-note strong { margin: 8px 0; color: white; font-size: 14px; }
.footer-note small { color: #87a399; font-size: 9px; line-height: 1.6; }
.copyright { display: flex; justify-content: space-between; padding: 15px 0 20px; border-top: 1px solid rgba(255,255,255,.09); color: #78968b; font-size: 10px; }

.breadcrumb { display: flex; align-items: center; gap: 8px; padding: 17px 0; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 11px; }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb span::before { content: "/"; margin-right: 8px; color: #b5b8b3; }
.article-hero { display: grid; grid-template-columns: 1fr 270px; gap: 45px; align-items: end; padding: 48px 0 43px; border-bottom: 1px solid var(--line); }
.article-hero .eyebrow { margin-bottom: 12px; }
.article-hero h1 { max-width: 790px; margin: 0; font-size: clamp(30px, 4vw, 46px); line-height: 1.3; letter-spacing: 1px; }
.article-hero p { max-width: 760px; margin: 17px 0 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.hero-stat { padding: 20px; color: white; background: var(--green-dark); border-bottom: 4px solid var(--yellow); }
.hero-stat span, .hero-stat strong, .hero-stat small { display: block; }
.hero-stat span { color: var(--yellow); font-size: 9px; letter-spacing: 2px; }
.hero-stat strong { margin: 7px 0; font-family: Georgia, serif; font-size: 28px; font-weight: 400; }
.hero-stat small { color: #9db3ab; font-size: 10px; line-height: 1.6; }
.page-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 48px; padding: 40px 0 55px; }
.prose { min-width: 0; }
.prose .lead { margin-top: 0; padding: 20px 23px; color: #4f5b56; background: var(--white); border-left: 4px solid var(--orange); font-size: 14px; line-height: 2; }
.prose h2 { margin: 38px 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 23px; }
.prose h3 { margin: 25px 0 9px; font-size: 17px; }
.prose p, .prose li { color: #59645f; font-size: 13px; line-height: 2; }
.prose ul, .prose ol { padding-left: 22px; }
.prose strong { color: var(--green-dark); }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0; }
.info-box { padding: 20px; background: var(--white); border: 1px solid var(--line); }
.info-box b { display: block; margin-bottom: 7px; color: var(--green); font-size: 13px; }
.info-box p { margin: 0; font-size: 11px; line-height: 1.75; }
.data-steps { counter-reset: steps; display: grid; gap: 1px; margin: 20px 0; background: var(--line); border: 1px solid var(--line); }
.data-steps li { position: relative; padding: 16px 18px 16px 56px; background: var(--paper); list-style: none; }
.data-steps li::before { counter-increment: steps; content: counter(steps, decimal-leading-zero); position: absolute; left: 17px; top: 13px; color: var(--orange); font-family: Georgia, serif; font-size: 18px; }
.article-note { margin: 28px 0; padding: 18px 20px; color: #50615a; background: #e8eee9; border: 1px solid #d0dcd5; font-size: 12px; line-height: 1.8; }
.page-sidebar { position: relative; }
.side-sticky { position: sticky; top: 20px; display: flex; flex-direction: column; gap: 17px; }
.toc-card, .related-card { padding: 20px; background: var(--white); border: 1px solid var(--line); }
.toc-card h2, .related-card h2 { margin: 0 0 13px; font-size: 15px; }
.toc-card a { display: block; padding: 8px 0; color: var(--muted); border-bottom: 1px dashed var(--line); font-size: 11px; }
.toc-card a:last-child { border-bottom: 0; }
.toc-card a:hover { color: var(--green); }
.related-card { color: white; background: var(--green-dark); border: 0; }
.related-card a { display: block; padding: 9px 0; color: #c5d4ce; border-bottom: 1px solid rgba(255,255,255,.09); font-size: 11px; line-height: 1.5; }
.related-card a:last-child { border-bottom: 0; }
.related-card a:hover { color: var(--yellow); }
.page-faq { margin-top: 36px; }
.page-faq h2 { margin-bottom: 0; }
.page-faq details { border-bottom: 1px solid var(--line); }
.page-faq summary { padding: 15px 30px 15px 0; font-size: 13px; font-weight: 700; cursor: pointer; }
.page-faq details p { margin: -2px 20px 16px 0; font-size: 12px; }

@media (max-width: 980px) {
  .weather { display: none; }
  .hero-grid { grid-template-columns: 1.45fr 1fr; }
  .quick-panel { grid-column: 1 / -1; }
  .quick-grid { grid-template-columns: repeat(6, 1fr); }
  .quick-grid a { border-right: 1px solid rgba(255,255,255,.1); }
  .topic-cards { grid-template-columns: 1fr 1fr; }
  .content-layout { grid-template-columns: minmax(0, 1fr) 260px; gap: 25px; }
  .article-hero { grid-template-columns: 1fr 230px; }
  .page-layout { grid-template-columns: minmax(0, 1fr) 240px; gap: 28px; }
}

@media (max-width: 720px) {
  .wrap { width: min(100% - 28px, 620px); }
  .topline time, .top-links { display: none; }
  .brand-row { min-height: 138px; flex-wrap: wrap; align-content: center; gap: 12px; }
  .brand { min-width: 100%; }
  .brand-logo { width: 232px; }
  .brand-name { font-size: 36px; }
  .search { flex-basis: 100%; height: 40px; }
  .main-nav { overflow-x: auto; }
  .nav-inner { width: max-content; min-width: 100%; }
  .nav-inner a { flex: 0 0 auto; padding: 0 18px; }
  .notice-date { display: none; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 20px; }
  .lead-visual { height: 220px; }
  .headline-list article:first-child { padding-top: 12px; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .topic-cards { grid-template-columns: 1fr 1fr; }
  .topic-card { min-height: 135px; padding: 17px; }
  .content-layout { grid-template-columns: 1fr; }
  .article-hero { grid-template-columns: 1fr; gap: 25px; }
  .hero-stat { max-width: 300px; }
  .page-layout { grid-template-columns: 1fr; }
  .side-sticky { position: static; display: grid; grid-template-columns: 1fr 1fr; }
  .section-heading.compact { align-items: flex-end; }
  .section-heading.compact > div:first-child { align-items: flex-start; }
  .filter-tabs { max-width: 150px; flex-wrap: wrap; justify-content: flex-end; }
  .sidebar { display: grid; grid-template-columns: 1fr 1fr; }
  .about-card { grid-column: 1 / -1; }
  .metric-panel { grid-template-columns: 1fr; }
  .metric-title { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand, .footer-note { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .hero-grid { gap: 18px; }
  .lead-content h1 { font-size: 21px; }
  .topic-cards { grid-template-columns: 1fr; }
  .topic-card { min-height: 122px; }
  .section-heading h2 { font-size: 21px; }
  .section-heading > a { display: none; }
  .article-list article { grid-template-columns: 82px 1fr; gap: 14px; }
  .article-icon { width: 82px; height: 78px; }
  .article-body h3 { font-size: 15px; }
  .article-body > p { display: none; }
  .tags span:nth-child(-n+2) { display: none; }
  .sidebar { grid-template-columns: 1fr; }
  .info-grid, .side-sticky { grid-template-columns: 1fr; }
  .about-card { grid-column: auto; }
  .guide-note { display: none; }
  .guide-intro, .method-grid { grid-template-columns: 1fr; }
  .guide-intro { gap: 14px; padding: 20px; }
  .method-grid article { padding: 24px 21px; }
  .metric-panel dl { grid-template-columns: 1fr 1fr; }
  .metric-panel dl div:nth-child(3n) { border-right: 1px solid rgba(255,255,255,.08); }
  .metric-panel dl div:nth-child(even) { border-right: 0; }
  .metric-panel dl div:nth-last-child(-n+3) { border-bottom: 1px solid rgba(255,255,255,.08); }
  .metric-panel dl div:nth-last-child(-n+2) { border-bottom: 0; }
  .faq-section { grid-template-columns: 1fr; gap: 20px; }
  .link-cloud { align-items: flex-start; }
  .copyright { flex-direction: column; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}