:root {
    --ink: #18212f;
    --muted: #6f7785;
    --line: #e7e9ee;
    --paper: #fbfaf7;
    --white: #ffffff;
    --accent: #f0b429;
    --accent-2: #ef6b57;
    --blue: #4263eb;
    --shadow: 0 18px 50px rgba(29, 38, 58, 0.09);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.75; }

a { color: inherit; text-decoration: none; }

img { display: block; width: 100%; object-fit: cover; }

.wide-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(251, 250, 247, 0.92); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(231, 233, 238, 0.85); }

.header-inner { width: min(1240px, calc(100% - 48px)); min-height: 78px; display: flex; align-items: center; gap: 28px; margin: 0 auto; }

.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; font-weight: 900; letter-spacing: -0.04em; font-size: 22px; }

.brand img { width: 38px; height: 38px; }

.main-nav { display: flex; align-items: center; justify-content: flex-end; gap: 4px; flex: 1; }

.nav-link { display: inline-flex; align-items: center; gap: 5px; padding: 10px 9px; color: var(--muted); font-size: 13px; border-radius: 10px; transition: .2s ease; }

.nav-link span { color: var(--accent-2); font-size: 16px; }

.nav-link:hover, .nav-link.active { color: var(--ink); background: #fff5dc; }

.menu-toggle { display: none; border: 0; background: transparent; font-size: 24px; }

.hero { position: relative; overflow: hidden; background: #fff4d4; }

.hero-glow { position: absolute; width: 520px; height: 520px; right: 6%; top: -220px; border-radius: 50%; background: radial-gradient(circle, rgba(240, 180, 41, .42), rgba(240, 180, 41, 0) 68%); }

.hero-inner { min-height: 510px; display: grid; grid-template-columns: 1fr 330px; align-items: center; gap: 80px; padding: 80px 0 88px; }

.eyebrow { display: inline-block; color: var(--accent-2); font-size: 11px; letter-spacing: .18em; font-weight: 800; text-transform: uppercase; }

.hero h1 { margin: 14px 0 4px; font-size: clamp(62px, 10vw, 126px); line-height: .95; letter-spacing: -.09em; }

.hero h1 a { position: relative; }

.hero h1 a::after { content: ""; position: absolute; right: -14px; bottom: 10px; width: 14px; height: 14px; background: var(--accent-2); border-radius: 50%; }

.hero-lead { margin: 0 0 12px; font-size: 25px; font-weight: 700; letter-spacing: -.04em; }

.hero-desc { max-width: 650px; margin: 0; color: #606779; font-size: 15px; }

.hero-actions { display: flex; gap: 12px; margin-top: 28px; }

.button { display: inline-flex; justify-content: center; align-items: center; gap: 12px; border: 1px solid var(--ink); background: var(--ink); color: #fff; border-radius: 999px; padding: 11px 18px; font-size: 13px; transition: .2s ease; }

.button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(24, 33, 47, .14); }

.button.secondary { border-color: #d8dbe2; background: rgba(255,255,255,.6); color: var(--ink); }

.hero-signal { display: flex; flex-direction: column; align-items: flex-end; }

.signal-card { width: 248px; padding: 26px; background: rgba(255,255,255,.75); border: 1px solid rgba(255,255,255,.95); box-shadow: var(--shadow); transform: rotate(4deg); }

.signal-orb { display: inline-flex; justify-content: center; align-items: center; width: 38px; height: 38px; margin-bottom: 24px; border-radius: 50%; background: var(--accent); color: #fff; }

.signal-card span:not(.signal-orb) { display: block; color: var(--muted); font-size: 12px; }

.signal-card strong { display: block; margin: 10px 0 24px; font-size: 25px; line-height: 1.35; letter-spacing: -.05em; }

.signal-card small { color: var(--muted); font-size: 11px; }

.signal-line { display: flex; gap: 6px; margin-top: 42px; padding-right: 25px; }

.signal-line span { width: 36px; height: 4px; background: var(--accent-2); }

.signal-line span:nth-child(2) { width: 18px; background: var(--blue); }

.ticker { border-bottom: 1px solid var(--line); background: #fff; }

.ticker-inner { min-height: 54px; display: flex; align-items: center; gap: 18px; font-size: 12px; }

.ticker-label { color: var(--accent-2); font-weight: 800; white-space: nowrap; }

.ticker-text { display: flex; gap: 12px; color: var(--muted); flex: 1; overflow: hidden; white-space: nowrap; }

.ticker-inner > a { color: var(--blue); white-space: nowrap; font-weight: 700; }

.section-block { padding: 86px 0; }

.section-block.alt { background: #fff; }

.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 30px; }

.section-heading h2 { margin: 5px 0 0; font-size: clamp(27px, 4vw, 43px); letter-spacing: -.06em; line-height: 1.15; }

.section-heading.vertical { display: block; margin: 0; max-width: 250px; }

.section-heading.vertical p { margin: 15px 0 24px; color: var(--muted); font-size: 14px; }

.text-link { color: var(--blue); font-size: 13px; font-weight: 800; }

.section-note, .count { color: var(--muted); font-size: 12px; }

.featured-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; }

.featured-card, .story-card { background: #fff; border: 1px solid var(--line); overflow: hidden; transition: .25s ease; }

.featured-card:hover, .story-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }

.featured-card .story-image { height: 210px; }

.featured-main { grid-row: span 2; }

.featured-main .story-image { height: 350px; }

.story-image { position: relative; display: block; overflow: hidden; background: #ece9e2; }

.story-image img { height: 100%; transition: transform .5s ease; }

.story-card:hover .story-image img, .featured-card:hover .story-image img { transform: scale(1.04); }

.status-chip { position: absolute; top: 12px; left: 12px; padding: 3px 8px; background: rgba(255,255,255,.92); color: var(--accent-2); font-size: 11px; font-weight: 800; }

.featured-body, .story-body { padding: 18px 19px 20px; }

.tag { color: var(--accent-2); font-size: 11px; font-weight: 800; letter-spacing: .06em; }

.featured-body h3, .story-body h3 { margin: 7px 0 9px; font-size: 18px; line-height: 1.4; letter-spacing: -.04em; }

.featured-main h3 { font-size: 28px; line-height: 1.25; }

.featured-body p, .story-body p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 0 0 15px; color: var(--muted); font-size: 13px; }

.story-meta { display: flex; justify-content: space-between; gap: 12px; color: #9ca2ae; font-size: 11px; }

.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.category-card { position: relative; min-height: 158px; padding: 21px; border: 1px solid var(--line); background: var(--paper); transition: .2s ease; }

.category-card:hover { border-color: var(--accent); background: #fffaf0; transform: translateY(-4px); }

.category-icon { display: block; color: var(--accent-2); font-size: 26px; line-height: 1; margin-bottom: 17px; }

.category-card strong { display: block; font-size: 17px; }

.category-card small { display: block; margin-top: 7px; color: var(--muted); font-size: 12px; line-height: 1.5; }

.category-card .arrow { position: absolute; right: 18px; bottom: 18px; color: var(--blue); font-size: 18px; }

.split-section { display: grid; grid-template-columns: 250px 1fr; gap: 60px; align-items: start; }

.split-section.reverse { grid-template-columns: 1fr 250px; }

.split-section.reverse .section-heading { order: 2; }

.story-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.story-grid .story-image { height: 170px; }

.story-grid.four { grid-template-columns: repeat(4, 1fr); }

.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.topic-card { min-height: 172px; padding: 24px; border-left: 3px solid var(--accent); background: #fff; }

.topic-card span { color: var(--accent-2); font-weight: 900; }

.topic-card strong { display: block; margin: 14px 0 8px; font-size: 18px; }

.topic-card p { margin: 0; color: var(--muted); font-size: 13px; }

.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.video-card { display: grid; grid-template-columns: 145px 1fr; gap: 17px; padding: 12px; border: 1px solid var(--line); background: var(--paper); }

.video-card:hover { background: #fff8e8; }

.video-thumb { position: relative; height: 105px; overflow: hidden; }

.video-thumb img { height: 100%; }

.play { position: absolute; left: 50%; top: 50%; width: 38px; height: 38px; display: grid; place-items: center; transform: translate(-50%, -50%); border-radius: 50%; background: rgba(24,33,47,.8); color: #fff; font-size: 13px; }

.duration { position: absolute; right: 6px; bottom: 5px; padding: 1px 4px; background: rgba(24,33,47,.78); color: #fff; font-size: 10px; }

.video-card h3 { margin: 6px 0; font-size: 14px; line-height: 1.4; }

.video-card p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.5; }

.progress-board { border-top: 1px solid var(--ink); }

.progress-row { display: grid; grid-template-columns: 80px 1.3fr 80px 1fr; gap: 18px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 13px; }

.progress-date { color: var(--accent-2); font-weight: 800; }

.progress-state { width: fit-content; padding: 2px 8px; font-size: 11px; font-weight: 800; }

.progress-state.done { background: #e8f6ed; color: #248951; }

.progress-state.checking { background: #fff3d6; color: #a86a00; }

.period-tabs { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); background: #fff; }

.period-tabs button { border: 0; background: transparent; padding: 5px 12px; color: var(--muted); font-size: 12px; cursor: pointer; }

.period-tabs button.active { background: var(--ink); color: #fff; }

.ranking-list { border-top: 1px solid var(--ink); }

.rank-item { display: grid; grid-template-columns: 58px 1fr 50px; gap: 20px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--line); }

.rank-number { color: var(--accent); font-size: 25px; font-weight: 900; }

.rank-item h3 { margin: 3px 0 0; font-size: 16px; }

.rank-score { color: var(--accent-2); font-weight: 900; text-align: right; }

.standards { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; }

.standard-list p { display: grid; grid-template-columns: 40px 1fr; gap: 15px; margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14px; }

.standard-list span { color: var(--accent-2); font-weight: 900; }

.about { background: #18212f; color: #fff; }

.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }

.about h2 { margin: 8px 0; font-size: 44px; letter-spacing: -.07em; }

.about p { color: #c4cad6; font-size: 15px; }

.about .text-link { color: var(--accent); }

.newsletter { width: min(1180px, calc(100% - 48px)); display: flex; justify-content: space-between; gap: 40px; align-items: center; margin: 86px auto 70px; padding: 38px; background: #fff3cf; }

.newsletter h2 { margin: 5px 0 8px; font-size: 28px; letter-spacing: -.05em; }

.newsletter p { margin: 0; color: var(--muted); font-size: 13px; }

.subscribe-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; min-width: 400px; }

.subscribe-form input { min-width: 0; padding: 12px 15px; border: 1px solid #e4d8b8; background: rgba(255,255,255,.75); }

.subscribe-form button { padding: 0 17px; border: 0; background: var(--ink); color: #fff; font-weight: 800; cursor: pointer; }

.subscribe-form small { grid-column: 1 / -1; color: var(--muted); font-size: 10px; }

.site-footer { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 0 0 30px; }

.footer-top, .footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; }

.footer-brand { font-size: 18px; }

.footer-brand img { width: 31px; height: 31px; }

.footer-links { display: flex; gap: 17px; color: var(--muted); font-size: 12px; }

.footer-bottom { margin-top: 25px; padding-top: 15px; border-top: 1px solid var(--line); color: #9ba1ad; font-size: 11px; }

.category-hero { padding: 78px 0 64px; background: #fff3cf; }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; margin-bottom: 35px; color: var(--muted); font-size: 12px; }

.breadcrumbs a { color: var(--blue); }

.category-hero h1 { margin: 8px 0 10px; font-size: 65px; letter-spacing: -.09em; }

.category-hero p { max-width: 550px; margin: 0; color: var(--muted); }

.category-list { padding-top: 60px; }

.fact-bar { padding: 46px 0; background: #18212f; color: #fff; }

.fact-bar .wide-inner { display: grid; grid-template-columns: 1fr 1fr auto; gap: 40px; align-items: center; }

.fact-bar h2 { margin: 6px 0 0; font-size: 26px; letter-spacing: -.05em; }

.fact-bar p { margin: 0; color: #c4cad6; font-size: 13px; }

.fact-bar .text-link { color: var(--accent); }

.article-page { padding: 40px 0 70px; }

.article-shell { width: min(900px, calc(100% - 48px)); margin: 0 auto; }

.article-header h1 { max-width: 820px; margin: 10px 0 15px; font-size: clamp(34px, 6vw, 60px); letter-spacing: -.08em; line-height: 1.15; }

.article-byline { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: 12px; }

.source-note { margin: 26px 0; padding: 16px 18px; border-left: 3px solid var(--accent); background: #fff3cf; font-size: 13px; }

.source-note a { color: var(--blue); text-decoration: underline; }

.article-hero-image { margin: 30px 0 38px; }

.article-hero-image img { aspect-ratio: 16 / 9; }

figcaption { margin-top: 8px; color: #9ba1ad; font-size: 11px; }

.article-prose { font-size: 16px; }

.article-prose h2 { margin: 38px 0 9px; font-size: 24px; letter-spacing: -.05em; }

.article-prose p { margin: 0; color: #4c5564; }

.notice { padding: 16px 18px; background: #f1f3f7; color: #616a78 !important; }

.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 0; list-style: none; }

.timeline li { display: flex; flex-direction: column; gap: 6px; padding: 16px; background: #fff; border: 1px solid var(--line); }

.timeline b { font-size: 13px; }

.timeline span { color: var(--muted); font-size: 12px; line-height: 1.55; }

.article-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 38px 0 20px; }

.article-gallery img { aspect-ratio: 4 / 3; }

.update-callout { padding: 12px 15px; border: 1px dashed #d6dbe4; color: var(--muted); font-size: 12px; }

.article-actions { display: flex; justify-content: center; gap: 10px; margin: 34px 0 60px; }

.related { border-top: 1px solid var(--line); padding-top: 34px; }

.related .section-heading { margin-bottom: 20px; }

.story-grid.compact { grid-template-columns: repeat(2, 1fr); }

.story-grid.compact .story-image { height: 145px; }

.report-entry { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; padding: 17px; background: #f1f3f7; color: var(--muted); font-size: 12px; }

.report-entry a { color: var(--blue); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }

@media (max-width: 980px) {
    .main-nav { gap: 0; }
    .nav-link { padding-inline: 6px; font-size: 12px; }
    .nav-link span { display: none; }
    .hero-inner { gap: 40px; }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .split-section, .split-section.reverse { grid-template-columns: 1fr; gap: 30px; }
    .split-section.reverse .section-heading { order: 0; }
    .section-heading.vertical { max-width: 560px; }
    .story-grid.four { grid-template-columns: repeat(2, 1fr); }
    .standards, .about-grid { gap: 40px; }
}

@media (max-width: 700px) {
    .wide-inner, .header-inner, .newsletter, .site-footer, .article-shell { width: min(100% - 32px, 560px); }
    .header-inner { min-height: 66px; }
    .main-nav { display: none; position: absolute; left: 16px; right: 16px; top: 72px; padding: 10px; flex-direction: column; align-items: stretch; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
    .main-nav.open { display: flex; }
    .nav-link { padding: 10px 13px; }
    .nav-link span { display: inline; }
    .menu-toggle { display: block; margin-left: auto; }
    .hero-inner { min-height: auto; grid-template-columns: 1fr; padding: 62px 0 66px; }
    .hero h1 { font-size: 76px; }
    .hero-lead { font-size: 20px; }
    .hero-signal { display: none; }
    .ticker-text { display: block; text-overflow: ellipsis; }
    .ticker-text span:nth-child(n+2) { display: none; }
    .section-block { padding: 62px 0; }
    .section-heading { align-items: start; flex-direction: column; gap: 10px; }
    .featured-grid, .category-grid, .topic-grid, .video-grid { grid-template-columns: 1fr; }
    .featured-main { grid-row: auto; }
    .featured-card .story-image, .featured-main .story-image { height: 230px; }
    .story-grid, .story-grid.four, .story-grid.compact { grid-template-columns: 1fr; }
    .story-grid .story-image, .story-grid.compact .story-image { height: 220px; }
    .progress-row { grid-template-columns: 1fr 1fr; gap: 5px 12px; }
    .progress-row > span:last-child { grid-column: 1 / -1; }
    .standards, .about-grid, .fact-bar .wide-inner { grid-template-columns: 1fr; gap: 24px; }
    .newsletter { display: block; margin: 60px auto 45px; padding: 26px; }
    .subscribe-form { min-width: 0; margin-top: 22px; }
    .footer-top, .footer-bottom { align-items: flex-start; flex-direction: column; }
    .footer-links { flex-wrap: wrap; }
    .category-hero h1 { font-size: 54px; }
    .article-page { padding-top: 25px; }
    .article-header h1 { font-size: 39px; }
    .article-gallery, .timeline { grid-template-columns: 1fr; }
    .article-actions { flex-wrap: wrap; }
}
