:root{
--brand:#2F7D6D;--brand-deep:#245f54;--pink:#E88AAE;--ink:#1F2A2E;--text:#2A3133;--muted:#6F787A;--bg:#FAFBF8;--bg-soft:#F2F5F1;--accent:#F29A3F;--white:#fff;--line:#dfe6e1;--line-strong:#ccd7d0;--shadow-sm:0 8px 24px rgba(31,42,46,.07);--shadow-md:0 18px 48px rgba(31,42,46,.12);--radius-sm:12px;--radius-md:20px;--radius-lg:30px;--shell:min(1180px,calc(100vw - 40px));--header-h:78px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.75;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}body::selection{background:rgba(47,125,109,.18)}a{color:inherit;text-decoration:none}a:hover{color:var(--brand)}img{max-width:100%;height:auto;display:block}button,input{font:inherit}button{color:inherit}input[type=search]{-webkit-appearance:none;appearance:none}[hidden]{display:none!important}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:fixed;top:12px;left:12px;z-index:1000;transform:translateY(-160%);background:var(--ink);color:var(--white);padding:10px 16px;border-radius:10px;transition:transform .18s ease}.skip-link:focus{transform:translateY(0);color:var(--white)}:focus-visible{outline:3px solid rgba(242,154,63,.8);outline-offset:3px}.section-shell{width:var(--shell);margin-inline:auto}.eyebrow{margin:0 0 10px;color:var(--brand);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.site-header{position:sticky;top:0;z-index:120;height:var(--header-h);border-bottom:1px solid rgba(204,215,208,.8);background:rgba(250,251,248,.94);backdrop-filter:blur(16px);transition:box-shadow .2s ease,background-color .2s ease}.site-header.is-scrolled{box-shadow:0 10px 30px rgba(31,42,46,.08);background:rgba(250,251,248,.98)}.site-header__inner{width:var(--shell);height:100%;margin-inline:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.brand-lockup{display:inline-flex;align-items:center;gap:12px;min-width:max-content}.brand-lockup img{width:96px;height:38px;object-fit:contain}.brand-lockup__text{display:grid;line-height:1.15}.brand-lockup__text strong{color:var(--ink);font-size:1rem}.brand-lockup__text small{margin-top:4px;color:var(--muted);font-size:.68rem}.primary-nav{justify-self:center;display:flex;align-items:center;gap:8px}.primary-nav a{position:relative;padding:10px 12px;color:#445053;border-radius:999px;font-size:.92rem;font-weight:650;transition:color .18s ease,background .18s ease}.primary-nav a:hover{color:var(--brand-deep);background:rgba(47,125,109,.08)}.primary-nav a[aria-current=page]{color:var(--brand-deep);background:rgba(47,125,109,.12)}.header-actions{display:flex;align-items:center;gap:8px}.header-search-link{padding:9px 13px;border:1px solid var(--line-strong);border-radius:999px;color:var(--ink);font-size:.86rem;font-weight:700;background:var(--white)}.menu-toggle{display:none}.mobile-menu{position:fixed;inset:var(--header-h) 0 auto 0;z-index:110;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:var(--shadow-md)}.mobile-menu nav{width:var(--shell);margin:0 auto;padding:18px 0 24px;display:grid}.mobile-menu a{padding:13px 8px;border-bottom:1px solid var(--line);font-weight:700}.site-main{min-height:calc(100vh - var(--header-h))}
.hero-stream{width:var(--shell);margin:34px auto 0;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);gap:34px;align-items:stretch}.hero-stream__lead{min-height:590px;display:flex;flex-direction:column;justify-content:center;padding:52px 54px;border-radius:var(--radius-lg);background:radial-gradient(circle at 88% 14%,rgba(232,138,174,.18),transparent 30%),linear-gradient(140deg,#f4f8f4 0%,#eef5f0 62%,#f8f5ef 100%);border:1px solid var(--line)}.hero-stream h1,.page-hero h1,.video-hero h1,.community-hero h1,.article-header h1,.search-page h1,.not-found h1{margin:0;color:var(--ink);font-weight:850;letter-spacing:-.035em;line-height:1.16}.hero-stream h1{max-width:760px;font-size:clamp(2.3rem,4.8vw,4.55rem)}.hero-stream__intro{margin:22px 0 0;max-width:680px;font-size:1.05rem;color:#4d585b}.hero-stream__actions{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:999px;border:1px solid transparent;font-weight:800;font-size:.92rem;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease}.button:hover{transform:translateY(-1px)}.button--primary{background:var(--brand);color:var(--white);box-shadow:0 10px 20px rgba(47,125,109,.18)}.button--primary:hover{color:var(--white);background:var(--brand-deep)}.button--ghost{border-color:var(--line-strong);background:rgba(255,255,255,.7);color:var(--ink)}.button--ghost:hover{border-color:rgba(47,125,109,.35);background:var(--white)}.button--secondary{background:var(--accent);color:#33210d}.button--secondary:hover{color:#2c1b0a;background:#f5a854}.hero-stream__signals{list-style:none;padding:0;margin:36px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.hero-stream__signals li{padding-top:14px;border-top:2px solid rgba(47,125,109,.22)}.hero-stream__signals strong{display:block;color:var(--ink);font-size:.88rem}.hero-stream__signals span{display:block;margin-top:4px;color:var(--muted);font-size:.74rem;line-height:1.55}.hero-stream__focus{position:relative;min-height:590px;overflow:hidden;border-radius:var(--radius-lg);background:#dce8df}.hero-stream__focus>img{width:100%;height:100%;object-fit:cover}.hero-stream__focus::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(16,26,28,.72),rgba(16,26,28,0) 58%);pointer-events:none}.focus-card{position:absolute;z-index:2;left:28px;right:28px;bottom:26px;padding:24px 26px;border:1px solid rgba(255,255,255,.28);border-radius:22px;color:var(--white);background:rgba(25,38,39,.66);backdrop-filter:blur(12px)}.focus-card__kicker{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(242,154,63,.95);color:#2a1c0a;font-size:.72rem;font-weight:850}.focus-card h2{margin:10px 0 6px;font-size:1.5rem;line-height:1.35}.focus-card h2 a:hover{color:#fff6e8}.focus-card p{margin:0;color:rgba(255,255,255,.82);font-size:.9rem;line-height:1.65}
.section-heading{margin-bottom:24px}.section-heading--split{display:flex;align-items:end;justify-content:space-between;gap:24px}.section-heading h2{margin:0;color:var(--ink);font-size:clamp(1.65rem,3vw,2.55rem);line-height:1.24;letter-spacing:-.025em}.section-heading>p:not(.eyebrow),.section-heading>div>p:not(.eyebrow){max-width:720px;color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-deep);font-weight:800;font-size:.9rem}.text-link span{transition:transform .18s ease}.text-link:hover span{transform:translateX(3px)}.pulse-section{padding:86px 0 92px}.story-grid{display:grid;gap:22px}.story-grid--mixed{grid-template-columns:repeat(3,minmax(0,1fr))}.story-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.story-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--white);box-shadow:0 1px 0 rgba(31,42,46,.02);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.story-card:hover{transform:translateY(-3px);border-color:#c8d9d1;box-shadow:var(--shadow-sm)}.story-card--wide{grid-column:span 2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.story-card__media{display:block;overflow:hidden;background:var(--bg-soft)}.story-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}.story-card:hover .story-card__media img{transform:scale(1.025)}.story-card--wide .story-card__media img{height:100%;aspect-ratio:auto}.story-card__body{padding:20px 21px 22px}.story-card__meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.72rem;font-weight:650}.story-card__meta>span:not(:first-child)::before{content:"•";margin-right:8px;color:#a6b0ab}.topic-pill{padding:4px 8px;border-radius:999px;background:rgba(47,125,109,.1);color:var(--brand-deep);font-weight:800}.story-card h3{margin:12px 0 8px;color:var(--ink);font-size:1.14rem;line-height:1.45;letter-spacing:-.015em}.story-card--wide h3{font-size:1.5rem}.story-card p{margin:0;color:#586265;font-size:.88rem;line-height:1.7}.story-card__tags{margin-top:15px;display:flex;flex-wrap:wrap;gap:7px}.story-card__tags span{color:#7d8587;font-size:.7rem}
.topic-rail{padding:76px 0;background:var(--ink);color:var(--white)}.topic-rail__inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}.topic-rail .eyebrow{color:#7fd3c0}.topic-rail h2{margin:0;max-width:520px;font-size:clamp(1.8rem,3.5vw,3rem);line-height:1.25;letter-spacing:-.025em}.topic-rail__copy>p:last-child{margin:18px 0 0;color:#bcc6c4}.topic-clusters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic-cluster{padding:20px;border:1px solid #405053;border-radius:18px;background:#263337}.topic-cluster strong{display:block;margin-bottom:10px;color:#f5f7f6}.topic-cluster div{display:flex;gap:8px;flex-wrap:wrap}.topic-cluster span{padding:5px 8px;border-radius:8px;color:#c5cfcc;background:#303f42;font-size:.73rem}
.tracking-section{padding:92px 0}.tracking-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:start}.tracking-feature{overflow:hidden;border-radius:var(--radius-md);background:var(--white);border:1px solid var(--line)}.tracking-feature img{width:100%;aspect-ratio:4/3;object-fit:cover}.tracking-feature h3{margin:20px 22px 8px;color:var(--ink);font-size:1.35rem;line-height:1.4}.tracking-feature p{margin:0 22px 24px;color:var(--muted);font-size:.9rem}.tracking-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.tracking-list li{position:relative;padding:20px 0 20px 96px;border-bottom:1px solid var(--line)}.tracking-list li>span{position:absolute;left:0;top:23px;color:var(--brand);font-size:.74rem;font-weight:800}.tracking-list a{display:inline-block;color:var(--ink);font-size:1.05rem;font-weight:800;line-height:1.45}.tracking-list p{margin:7px 0 0;color:var(--muted);font-size:.84rem}
.video-strip{padding:84px 0 90px;background:#25473f;color:var(--white)}.section-heading--light .eyebrow{color:#91dbc9}.section-heading--light h2{color:var(--white)}.section-heading--light .text-link{color:#dff7f0}.video-strip__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.video-teaser{min-width:0}.video-teaser__media{position:relative;display:block;overflow:hidden;border-radius:16px;background:#18342e}.video-teaser__media img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.9;transition:transform .3s ease,opacity .3s ease}.video-teaser:hover img{transform:scale(1.03);opacity:1}.play-chip{position:absolute;right:12px;bottom:12px;width:36px;height:36px;display:grid;place-items:center;border-radius:50%;color:var(--ink);background:var(--accent);font-size:.8rem}.video-teaser h3{margin:14px 0 6px;font-size:.98rem;line-height:1.5}.video-teaser h3 a:hover{color:#fff0d7}.video-teaser p{margin:0;color:#b7cbc4;font-size:.8rem;line-height:1.65}
.mobile-community{padding:90px 0;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px;align-items:center}.mobile-community__art{overflow:hidden;border-radius:var(--radius-lg);background:var(--bg-soft)}.mobile-community__art img{width:100%;aspect-ratio:1.1/1;object-fit:cover}.mobile-community__copy h2{margin:0;color:var(--ink);font-size:clamp(1.8rem,3.6vw,3.15rem);line-height:1.2;letter-spacing:-.03em}.mobile-community__copy p:not(.eyebrow){margin:20px 0 0;color:var(--muted);max-width:620px}
.page-hero{padding:72px 0 58px}.page-hero--feed{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:46px;align-items:end}.page-hero h1{font-size:clamp(2.2rem,5vw,4.7rem);max-width:900px}.page-hero p:not(.eyebrow){margin:20px 0 0;max-width:760px;color:var(--muted);font-size:1.02rem}.inline-search{padding:20px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--white)}.inline-search>label{display:block;margin-bottom:8px;color:var(--ink);font-size:.85rem;font-weight:800}.inline-search>div{display:flex;gap:8px}.inline-search input{min-width:0;flex:1;border:1px solid var(--line-strong);border-radius:12px;padding:11px 12px;background:var(--bg);color:var(--ink)}.inline-search button{border:0;border-radius:12px;padding:10px 16px;background:var(--brand);color:var(--white);font-weight:800;cursor:pointer}.feed-shell{padding:22px 0 96px}.feed-toolbar{margin-bottom:24px;display:flex;justify-content:space-between;gap:24px;align-items:end}.feed-toolbar h2{margin:0;color:var(--ink);font-size:2rem}.filter-pills{display:flex;gap:8px;flex-wrap:wrap}.filter-pills button{border:1px solid var(--line-strong);border-radius:999px;padding:8px 12px;background:var(--white);color:var(--muted);font-size:.8rem;font-weight:800;cursor:pointer}.filter-pills button:hover,.filter-pills button.is-active{border-color:rgba(47,125,109,.4);background:rgba(47,125,109,.1);color:var(--brand-deep)}.feed-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}.story-stack{display:grid;gap:16px}.story-card--feed{display:grid;grid-template-columns:260px minmax(0,1fr)}.story-card--feed .story-card__media img{height:100%;aspect-ratio:auto}.aside-card{padding:22px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--white)}.aside-card--sticky{position:sticky;top:calc(var(--header-h) + 24px)}.aside-card h2{margin:0 0 14px;color:var(--ink);font-size:1.25rem;line-height:1.4}.number-list{list-style:none;counter-reset:item;margin:0;padding:0}.number-list li{position:relative;padding:15px 0 15px 40px;border-top:1px solid var(--line)}.number-list li::before{counter-increment:item;content:counter(item);position:absolute;left:0;top:16px;width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:var(--bg-soft);color:var(--brand);font-size:.72rem;font-weight:900}.number-list strong{display:block;color:var(--ink);font-size:.9rem}.number-list span{display:block;margin-top:3px;color:var(--muted);font-size:.78rem}
.page-hero--tracker{padding:0;background:#edf4ef;border-bottom:1px solid var(--line)}.page-hero--tracker .page-hero__inner{min-height:520px;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.78fr);gap:48px;align-items:center}.page-hero--tracker img{justify-self:end;width:min(100%,560px);max-height:420px;object-fit:cover;border-radius:26px}.timeline-board{padding:82px 0 96px}.timeline-list{position:relative;max-width:920px;margin:28px auto 0}.timeline-list::before{content:"";position:absolute;left:28px;top:0;bottom:0;width:2px;background:#d4ded8}.timeline-card{position:relative;display:grid;grid-template-columns:58px 1fr;gap:22px;padding-bottom:26px}.timeline-card__marker{position:relative;z-index:2;display:flex;justify-content:center;padding-top:16px}.timeline-card__marker span{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--brand);color:var(--white);font-size:.73rem;font-weight:900;box-shadow:0 0 0 7px var(--bg)}.timeline-card__content{padding:22px 24px;border:1px solid var(--line);border-radius:18px;background:var(--white)}.timeline-card__content h3{margin:10px 0 8px;color:var(--ink);font-size:1.18rem}.timeline-card__content>p{margin:0;color:var(--muted)}.evidence-guide{margin-bottom:96px;display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:center;padding:34px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--bg-soft)}.evidence-guide__visual{overflow:hidden;border-radius:22px}.evidence-guide__visual img{width:100%;aspect-ratio:1.22/1;object-fit:cover}.evidence-guide__content h2{margin:0;color:var(--ink);font-size:2.15rem;line-height:1.3}.evidence-guide__content p:not(.eyebrow){color:var(--muted)}
.video-hero{min-height:600px;padding:48px 0 70px;display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}.video-hero h1{font-size:clamp(2.2rem,5vw,4.8rem)}.video-hero__copy>p:not(.eyebrow){margin:22px 0 0;color:var(--muted);font-size:1.02rem;max-width:650px}.video-hero__media{position:relative}.video-hero__media>img{width:100%;aspect-ratio:1.22/1;object-fit:cover;border-radius:var(--radius-lg)}.video-hero__note{position:absolute;left:24px;bottom:24px;right:24px;padding:16px 18px;border-radius:16px;color:var(--white);background:rgba(31,42,46,.76);backdrop-filter:blur(10px)}.video-hero__note strong{display:block}.video-hero__note span{display:block;margin-top:3px;color:#d6dfdc;font-size:.8rem}.video-catalog{padding-bottom:96px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.video-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--white)}.video-card__media{position:relative;display:block;overflow:hidden}.video-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}.video-card:hover .video-card__media img{transform:scale(1.025)}.video-card__body{padding:22px}.video-card h3{margin:11px 0 8px;color:var(--ink);font-size:1.2rem;line-height:1.45}.video-card p{margin:0 0 15px;color:var(--muted);font-size:.87rem}
.community-hero{padding:64px 0 72px;display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}.community-hero__visual{order:2;overflow:hidden;border-radius:var(--radius-lg);background:#ebf2ed}.community-hero__visual img{width:100%;aspect-ratio:1.08/1;object-fit:cover}.community-hero__copy{order:1}.community-hero h1{font-size:clamp(2.15rem,4.8vw,4.35rem)}.community-hero__copy>p:not(.eyebrow){margin:22px 0 0;color:var(--muted)}.community-principles{padding:28px 0 92px}.principle-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.principle-grid article{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--white)}.principle-grid article>span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(232,138,174,.16);color:#a14b6e;font-size:.72rem;font-weight:900}.principle-grid h3{margin:18px 0 8px;color:var(--ink)}.principle-grid p{margin:0;color:var(--muted);font-size:.85rem}.mobile-safety{margin-bottom:96px;padding:38px;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;border-radius:var(--radius-lg);background:#f1f4ec;border:1px solid #dfe6d6}.mobile-safety__copy h2{margin:0;color:var(--ink);font-size:2.1rem;line-height:1.3}.mobile-safety__copy>p:not(.eyebrow){color:var(--muted)}.mobile-safety__visual{overflow:hidden;border-radius:24px}.mobile-safety__visual img{width:100%;aspect-ratio:1.16/1;object-fit:cover}.check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}.check-list li{position:relative;padding-left:28px;color:#4e595c}.check-list li::before{content:"✓";position:absolute;left:0;top:.05em;width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:rgba(47,125,109,.12);color:var(--brand);font-size:.75rem;font-weight:900}
.breadcrumbs{padding-top:30px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.78rem}.article-shell{max-width:1100px}.article-header{max-width:930px;margin:54px auto 36px;text-align:center}.article-header .story-card__meta{justify-content:center}.article-header h1{margin-top:16px;font-size:clamp(2.15rem,5vw,4.45rem)}.article-deck{margin:22px auto 0;max-width:820px;color:var(--muted);font-size:1.08rem;line-height:1.8}.article-tags{margin-top:18px;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.article-tags span{padding:6px 10px;border-radius:999px;color:var(--brand-deep);background:rgba(47,125,109,.08);font-size:.75rem;font-weight:750}.article-lead-image{margin:0;overflow:hidden;border-radius:var(--radius-lg);background:var(--bg-soft)}.article-lead-image img{width:100%;aspect-ratio:16/9;object-fit:cover}.article-layout{padding:52px 0 86px;display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:54px;align-items:start}.article-content{min-width:0;color:#3a4447;font-size:1.02rem}.article-content>p{margin:0 0 1.55em}.article-content h2{margin:2.2em 0 .8em;color:var(--ink);font-size:1.7rem;line-height:1.4;letter-spacing:-.02em}.article-note{margin-top:32px;padding:22px 24px;border-left:4px solid var(--accent);border-radius:0 16px 16px 0;background:#fff8ef}.article-note strong{color:#7c4d13}.article-note p{margin:6px 0 0;color:#715f49;font-size:.88rem}.fact-list{margin:0}.fact-list>div{display:grid;grid-template-columns:78px 1fr;gap:10px;padding:10px 0;border-top:1px solid var(--line);font-size:.82rem}.fact-list dt{color:var(--muted)}.fact-list dd{margin:0;color:var(--ink);font-weight:700}.copy-link{width:100%;margin-top:18px;border:0;border-radius:12px;padding:10px 12px;background:var(--brand);color:var(--white);font-weight:800;cursor:pointer}.copy-feedback{min-height:1.3em;margin:8px 0 0;color:var(--muted);font-size:.72rem}.related-section{padding-bottom:96px}.reading-progress{position:fixed;z-index:300;top:0;left:0;right:0;height:3px;pointer-events:none;background:transparent}.reading-progress span{display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:0 50%;background:var(--accent)}
.search-page{padding:72px 0 96px;max-width:980px}.search-page__header{text-align:center}.search-page h1{font-size:clamp(2.1rem,5vw,4rem)}.search-form{max-width:720px;margin:30px auto 0;display:grid;grid-template-columns:1fr auto;gap:10px}.search-form input{min-width:0;border:1px solid var(--line-strong);border-radius:14px;padding:14px 16px;background:var(--white);color:var(--ink);box-shadow:var(--shadow-sm)}.search-form button{border:0;border-radius:14px;padding:12px 22px;background:var(--brand);color:var(--white);font-weight:800;cursor:pointer}.search-empty{margin-top:56px;padding:30px;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:34px;align-items:center;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--white)}.search-empty img{border-radius:20px}.search-empty h2{margin:0;color:var(--ink)}.search-empty p{color:var(--muted)}.search-results{margin-top:58px}.text-feed{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.text-feed__item{padding:22px 0;border-bottom:1px solid var(--line)}.text-feed__meta{margin-bottom:6px;display:flex;gap:10px;color:var(--muted);font-size:.72rem}.text-feed__item>a{display:inline-block;color:var(--ink);font-size:1.12rem;font-weight:850}.text-feed__item p{margin:6px 0 0;color:var(--muted);font-size:.86rem}.not-found{min-height:68vh;padding:100px 0;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}.not-found__code{color:rgba(47,125,109,.14);font-size:clamp(6rem,18vw,13rem);font-weight:950;line-height:.8;letter-spacing:-.08em}.not-found h1{margin-top:24px;font-size:2.3rem}.not-found>p{max-width:620px;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);background:#eef3ef}.site-footer__inner{width:var(--shell);margin-inline:auto;padding:54px 0 44px;display:grid;grid-template-columns:1fr 1fr;gap:60px}.footer-brand h2{margin:0;color:var(--ink);font-size:1.5rem}.footer-brand p{max-width:560px;color:var(--muted);font-size:.88rem}.footer-links{justify-self:end;display:grid;grid-template-columns:repeat(2,minmax(150px,1fr));gap:42px}.footer-links h3{margin:0 0 10px;color:var(--ink);font-size:.88rem}.footer-links a{display:block;padding:5px 0;color:var(--muted);font-size:.82rem}.site-footer__bottom{width:var(--shell);margin-inline:auto;padding:18px 0 26px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid #d8e0da;color:#78817e;font-size:.72rem}.back-to-top{position:fixed;z-index:80;right:22px;bottom:22px;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:14px;background:rgba(255,255,255,.94);color:var(--ink);box-shadow:var(--shadow-sm);cursor:pointer}.image-missing{min-height:180px;background:linear-gradient(135deg,#e9efeb,#f7f8f5);opacity:.65}.has-missing-image{position:relative}.has-missing-image::after{content:"图片资源待部署";position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:.75rem;pointer-events:none}
@media(max-width:1080px){:root{--shell:min(100% - 34px,1040px)}.primary-nav{gap:2px}.primary-nav a{padding-inline:9px;font-size:.84rem}.brand-lockup__text{display:none}.hero-stream{grid-template-columns:1fr 1fr}.hero-stream__lead{padding:42px 38px}.hero-stream__signals{grid-template-columns:1fr;gap:9px}.hero-stream__signals li{display:grid;grid-template-columns:100px 1fr;gap:12px}.story-grid--mixed{grid-template-columns:repeat(2,minmax(0,1fr))}.story-card--wide{grid-column:1/-1}.video-strip__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.principle-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
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@media(max-width:700px){:root{--shell:min(100% - 24px,640px)}.hero-stream__lead{padding:34px 24px;border-radius:24px}.hero-stream h1{font-size:clamp(2.15rem,11vw,3.4rem)}.hero-stream__intro{font-size:.96rem}.hero-stream__signals li{grid-template-columns:1fr;gap:2px}.hero-stream__focus{min-height:430px;border-radius:24px}.focus-card{left:16px;right:16px;bottom:16px;padding:18px}.focus-card h2{font-size:1.2rem}.pulse-section,.tracking-section,.mobile-community{padding-block:64px}.section-heading--split{align-items:start;flex-direction:column}.story-grid--mixed,.story-grid--three,.video-catalog{grid-template-columns:1fr}.story-card--wide,.story-card--feed{grid-template-columns:1fr}.story-card--wide .story-card__media img,.story-card--feed .story-card__media img{height:auto;aspect-ratio:16/10}.topic-rail{padding:62px 0}.topic-rail__inner{gap:32px}.topic-clusters{grid-template-columns:1fr}.tracking-list li{padding-left:0;padding-top:50px}.tracking-list li>span{top:18px}.video-strip__grid{grid-template-columns:1fr}.page-hero{padding-top:52px}.page-hero h1,.video-hero h1,.community-hero h1{font-size:clamp(2.1rem,11vw,3.55rem)}.feed-toolbar{align-items:start;flex-direction:column}.timeline-list::before{left:18px}.timeline-card{grid-template-columns:38px 1fr;gap:10px}.timeline-card__marker span{width:28px;height:28px}.evidence-guide,.mobile-safety{padding:22px;border-radius:22px}.video-hero,.community-hero{padding-top:42px}.community-hero__visual{order:1}.community-hero__copy{order:2}.principle-grid{grid-template-columns:1fr}.article-header{margin-top:36px}.article-header h1{font-size:clamp(2rem,10vw,3.4rem)}.article-lead-image{border-radius:20px}.article-layout{padding-top:34px}.search-form{grid-template-columns:1fr}.search-form button{min-height:48px}.search-empty{grid-template-columns:1fr}.site-footer__inner{grid-template-columns:1fr;gap:30px}.footer-links{grid-template-columns:1fr 1fr;gap:30px}.site-footer__bottom{flex-direction:column;gap:4px}}
@media(max-width:460px){.menu-toggle__label{display:none}.menu-toggle{width:42px;height:42px;justify-content:center;padding:0;border-radius:12px}.hero-stream__actions .button{width:100%}.hero-stream__focus{min-height:390px}.focus-card p{display:none}.story-card__body,.timeline-card__content,.video-card__body{padding:18px}.topic-cluster{padding:17px}.inline-search>div{flex-direction:column}.inline-search button{min-height:44px}.article-deck{font-size:.98rem}.article-content{font-size:.97rem}.footer-links{grid-template-columns:1fr}.back-to-top{right:14px;bottom:14px}}
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