:root{
  --brand:#2F7D6D;--brand-deep:#245f54;--pink:#E88AAE;--ink:#1F2A2E;--body:#2A3133;--muted:#6F787A;--bg:#FAFBF8;--soft:#F2F5F1;--accent:#F29A3F;--line:#dfe6df;--white:#fff;--shadow:0 18px 45px rgba(31,42,46,.08);--radius:22px;--shell:min(1180px,calc(100vw - 40px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.72}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:16px}.section-shell{width:var(--shell);margin-inline:auto}.site-header{position:sticky;top:0;z-index:100;background:rgba(250,251,248,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(47,125,109,.12)}.header-shell{width:var(--shell);height:78px;margin:auto;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:11px;min-width:max-content}.brand img{width:42px;height:42px;object-fit:contain}.brand-copy{display:grid;line-height:1.1}.brand-copy strong{font-size:20px;color:var(--ink);letter-spacing:.04em}.brand-copy small{margin-top:6px;color:var(--muted);font-size:11px}.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.nav-link{padding:9px 13px;border-radius:999px;color:#475254;font-size:14px;font-weight:650}.nav-link:hover,.nav-link.is-active{background:#e5f0ec;color:var(--brand-deep)}.menu-toggle{display:none}.search-toggle,.menu-toggle{border:1px solid var(--line);background:var(--white);border-radius:999px;padding:9px 15px;color:var(--ink);font-weight:700}.search-toggle:hover,.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}.search-panel{border-top:1px solid var(--line);background:var(--soft)}.search-panel form{width:var(--shell);margin:auto;padding:18px 0;display:grid;grid-template-columns:240px 1fr;align-items:center;gap:18px}.search-panel label{font-weight:750;color:var(--ink)}.search-row{display:flex;gap:8px}.search-row input{min-width:0;flex:1;border:1px solid #cdd7d1;background:#fff;border-radius:13px;padding:12px 14px;outline:none}.search-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,125,109,.12)}.search-row button{border:0;background:var(--brand);color:#fff;border-radius:13px;padding:11px 20px;font-weight:750}.hero{padding:54px 0 48px;display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:stretch}.hero-copy{padding:28px 0}.eyebrow{text-transform:none;letter-spacing:.06em;color:var(--brand);font-size:13px;font-weight:800;margin:0 0 12px}.hero h1,.page-intro h1,.video-hero h1,.app-hero h1,.not-found h1,.search-page h1{color:var(--ink);font-size:clamp(36px,5vw,64px);line-height:1.08;letter-spacing:-.035em;margin:0}.hero-intro,.page-intro>p:not(.eyebrow),.split-intro>div>p:not(.eyebrow),.video-hero p:not(.eyebrow),.app-hero p:not(.eyebrow){font-size:18px;color:#556063;max-width:760px;margin:24px 0}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:12px 18px;font-weight:800;border:1px solid transparent}.button.primary{background:var(--accent);color:#2e2419}.button.ghost{background:#fff;border-color:#d8e1dc;color:var(--ink)}.button:hover{transform:translateY(-1px)}.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:34px 0 0}.hero-points div{background:var(--soft);padding:15px;border-radius:15px}.hero-points dt{font-weight:850;color:var(--brand-deep);font-size:13px}.hero-points dd{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.5}.hero-feature{position:relative;min-height:520px;background:var(--ink);border-radius:30px;overflow:hidden;box-shadow:var(--shadow)}.hero-feature>img{width:100%;height:100%;object-fit:cover;opacity:.72}.hero-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(31,42,46,.03) 28%,rgba(31,42,46,.92) 100%)}.hero-card-copy{position:absolute;z-index:2;left:28px;right:28px;bottom:28px;color:#fff}.hero-card-copy span{display:inline-flex;padding:6px 10px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);border-radius:999px;font-size:12px}.hero-card-copy h2{font-size:28px;line-height:1.25;margin:12px 0 8px}.hero-card-copy p{margin:0;color:#dce6e2;line-height:1.6}.stream-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;padding:58px 0 72px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.section-heading 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#d8e2dc;padding:46px 0}.footer-grid{width:var(--shell);margin:auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}.footer-grid strong{font-size:22px;color:var(--ink)}.footer-grid p{color:var(--muted);max-width:440px}.footer-grid nav{display:grid;gap:8px}.footer-grid nav a{font-weight:700}.footer-note{display:grid;align-content:start;gap:8px;font-size:13px;color:var(--muted)}.page-intro{padding:74px 0 38px}.page-intro h1,.video-hero h1,.app-hero h1{font-size:clamp(38px,5vw,58px);max-width:1000px}.split-intro{display:grid;grid-template-columns:1fr .8fr;gap:46px;align-items:center}.split-intro img{border-radius:26px;aspect-ratio:36/23;object-fit:cover}.filter-bar{display:flex;flex-wrap:wrap;gap:9px;padding:20px 0 28px;border-top:1px solid var(--line)}.chip{border:1px solid #d3ddd7;background:#fff;color:#556063;border-radius:999px;padding:8px 13px;font-weight:700;font-size:13px}.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}.archive-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding-bottom:80px}.archive-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;transition:transform .2s ease,box-shadow .2s ease}.archive-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.archive-card[hidden]{display:none}.archive-card h2{font-size:21px;line-height:1.38;color:var(--ink);margin:10px 0}.archive-card p{color:var(--muted);font-size:14px}.card-footer{display:flex;justify-content:space-between;gap:12px;align-items:center;border-top:1px solid #edf0ed;padding-top:14px;margin-top:18px;font-size:12px;color:#87918d}.card-footer a{color:var(--brand);font-weight:800}.timeline-layout{display:grid;grid-template-columns:minmax(0,1fr) 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16px 16px 0}.article-note p{margin:6px 0 0;font-size:14px;color:#5f6b67}.article-aside{align-self:start;position:sticky;top:102px}.article-aside img{border-radius:18px;margin-bottom:22px}.article-aside h2{font-size:17px;color:var(--ink)}.article-aside a{display:grid;gap:4px;padding:13px 0;border-top:1px solid var(--line)}.article-aside a span{font-size:11px;color:var(--brand)}.article-aside a b{font-size:14px;line-height:1.5}.search-page{padding:68px 0 86px;max-width:900px}.search-page h1{font-size:45px}.search-page-form{margin-top:30px;background:var(--soft);padding:22px;border-radius:18px}.search-page-form label{display:block;font-weight:800;margin-bottom:8px}.result-count{color:var(--muted);margin-top:30px}.empty-state{margin-top:28px;background:#fff;border:1px solid var(--line);padding:26px;border-radius:18px}.empty-state h2{margin:0;color:var(--ink)}.empty-state a{color:var(--brand);font-weight:800}.not-found{min-height:64vh;display:grid;grid-template-columns:.8fr 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@media (max-width:560px){.hero h1,.page-intro h1,.video-hero h1,.app-hero h1{font-size:34px}.hero-feature{min-height:420px}.hero-card-copy{left:18px;right:18px;bottom:18px}.hero-card-copy h2{font-size:22px}.section-heading h2{font-size:26px}.story-row{grid-template-columns:34px 1fr}.story-index{font-size:12px}.side-rail,.track-aside{display:block}.event-grid{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr;margin-top:20px}.video-article-grid article{grid-template-columns:1fr}.video-article-grid img{aspect-ratio:16/9}.article-page{padding-top:42px}.article-head{text-align:left}.tag-row{justify-content:flex-start}.article-body{font-size:17px}.search-page h1{font-size:34px}.search-row{flex-direction:column}.search-row button{width:100%}.not-found h1{font-size:38px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
:focus-visible{outline:3px solid rgba(242,154,63,.7);outline-offset:3px}