:root{
  --red:#B93A32;--amber:#D98A3A;--ink:#252322;--paper:#FAF8F5;--sand:#F2EDE7;--body:#3B3836;--muted:#77716D;--accent:#E05A3F;--line:#DED7CF;--white:#fff;--shadow:0 18px 55px rgba(37,35,34,.10);--radius:22px;--radius-sm:14px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}p{margin:0 0 1em}h1,h2,h3{margin:0;color:var(--ink);line-height:1.22;letter-spacing:-.02em}h1{font-size:clamp(2.35rem,5vw,5rem)}h2{font-size:clamp(1.75rem,3vw,3rem)}h3{font-size:1.25rem}.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;left:1rem;top:-100px;z-index:999;padding:.75rem 1rem;background:var(--ink);color:#fff;border-radius:8px}.skip-link:focus{top:1rem}.site-header{position:sticky;top:0;z-index:80;background:rgba(250,248,245,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(222,215,207,.8)}.header-inner{max-width:var(--max);margin:auto;min-height:78px;padding:0 24px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}.brand-mark{display:inline-flex;align-items:center;gap:11px;min-width:max-content}.brand-mark img{width:44px;height:44px;border-radius:13px;object-fit:cover}.brand-mark span{display:flex;flex-direction:column;line-height:1.1}.brand-mark strong{font-size:1.05rem;color:var(--ink)}.brand-mark small{font-size:.72rem;color:var(--muted);margin-top:5px}.primary-nav{display:flex;justify-content:center;gap:6px}.primary-nav a{padding:10px 12px;border-radius:999px;color:#514d4a;font-size:.93rem}.primary-nav a:hover,.primary-nav a:focus-visible,.primary-nav a.is-active{background:var(--sand);color:var(--red)}.header-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:#fff;overflow:hidden}.header-search input{width:150px;border:0;outline:0;padding:9px 10px 9px 14px;background:transparent;color:var(--ink)}.header-search button{border:0;background:var(--ink);color:#fff;padding:9px 14px}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:8px 11px}.hero-shell{max-width:var(--max);margin:48px auto 28px;padding:0 24px;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}.hero-copy{padding:38px 0}.eyebrow{margin:0 0 13px;color:var(--red);font-size:.8rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.hero-lead{font-size:1.12rem;max-width:720px;color:#5c5753;margin-top:22px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:999px;font-weight:760;transition:.2s ease}.button-primary{background:var(--red);color:#fff;box-shadow:0 10px 22px rgba(185,58,50,.2)}.button-primary:hover{transform:translateY(-1px);background:#a4312a}.button-ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}.button-ghost:hover{border-color:#b9afa7;background:var(--sand)}.hero-notes{display:flex;flex-wrap:wrap;gap:9px}.hero-notes span{padding:6px 10px;background:var(--sand);border-radius:999px;font-size:.83rem;color:#645d58}.hero-visual{position:relative;margin:0;border-radius:28px;overflow:hidden;background:var(--sand);box-shadow:var(--shadow)}.hero-visual img{width:100%;aspect-ratio:1.16/1;object-fit:cover}.hero-visual figcaption{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(37,35,34,.83);color:#fff;padding:12px 15px;border-radius:14px;font-size:.88rem;backdrop-filter:blur(8px)}.pulse-strip{max-width:var(--max);margin:0 auto 76px;padding:0 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}.pulse-strip>div,.pulse-strip>a{background:#fff;padding:19px 20px;display:flex;flex-direction:column;gap:2px}.pulse-strip strong{color:var(--ink);font-size:.95rem}.pulse-strip span{color:var(--muted);font-size:.8rem}.pulse-strip>a:hover{background:#fff8f4}.section-wrap{max-width:var(--max);margin:0 auto;padding:72px 24px}.section-heading{max-width:760px;margin-bottom:30px}.split-heading{max-width:none;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:end}.split-heading>p{color:var(--muted);margin:0 0 6px}.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.story-card{display:flex;flex-direction:column;background:#fff;border:1px solid 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.eyebrow{color:#f2a66d}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-link{border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:22px;background:rgba(255,255,255,.035);min-height:180px}.topic-link:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.2)}.topic-link h3{color:#fff;margin-top:14px}.topic-link p{color:#c9c2bc;font-size:.9rem}.topic-count{font-size:.75rem;color:#f4b27f;background:rgba(217,138,58,.12);padding:5px 8px;border-radius:999px}.two-paths{display:grid;gap:26px}.path-panel{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:34px;background:var(--sand);border-radius:28px;overflow:hidden}.path-panel>div{padding:36px}.path-panel img{width:100%;height:100%;object-fit:cover;min-height:360px}.path-submit{background:#fff0ea}.editorial-note{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}.steps-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}.steps-list li{display:grid;grid-template-columns:62px 1fr;gap:16px;border-top:1px solid var(--line);padding-top:17px}.steps-list span{font-size:1.45rem;color:var(--amber);font-weight:800}.steps-list strong{display:block;color:var(--ink);font-size:1.1rem}.steps-list p{color:var(--muted);font-size:.92rem;margin-top:5px}.site-footer{margin-top:72px;background:#1f1d1c;color:#d5ceca}.footer-grid{max-width:var(--max);margin:auto;padding:58px 24px;display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:60px}.footer-brand{font-size:1.5rem;font-weight:850;color:#fff}.footer-grid p{max-width:520px;color:#aaa19c;margin-top:12px}.footer-grid h2{font-size:.9rem;color:#fff;margin-bottom:14px}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:8px}.footer-grid a:not(.footer-brand){font-size:.9rem;color:#beb6b1}.footer-grid a:hover{color:#fff}.footer-bottom{max-width:var(--max);margin:auto;padding:18px 24px;border-top:1px solid 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12px}.article-aside a{color:var(--red);font-weight:760}.article-content{font-size:1.05rem}.article-content section{margin-bottom:38px}.article-content h2{font-size:1.55rem;margin-bottom:14px}.article-content p{color:#4e4946;line-height:1.9}.article-callout{margin-top:46px;padding:22px 24px;background:var(--sand);border-left:4px solid var(--amber);border-radius:0 14px 14px 0}.article-callout strong{color:var(--ink)}.article-callout p{margin:6px 0 0;font-size:.92rem}.related-section{padding-top:35px}.compact-cards{grid-template-columns:repeat(3,1fr)}.app-intro,.submit-intro,.about-intro{display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:center}.app-intro>img,.submit-intro>img,.about-intro>img{border-radius:26px;width:100%;aspect-ratio:1/1;object-fit:cover;box-shadow:var(--shadow)}.app-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:30px}.method-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px}.method-card span{color:var(--amber);font-size:1.35rem;font-weight:900}.method-card h2{font-size:1.3rem;margin:10px 0}.method-card p{color:var(--muted);font-size:.92rem}.split-info{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.split-info figure{margin:0;border-radius:24px;overflow:hidden}.check-list{padding:0;list-style:none;display:grid;gap:9px}.check-list li{padding-left:28px;position:relative}.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--red);font-weight:900}.faq-block{max-width:900px}.faq-block details{border-top:1px solid var(--line);padding:17px 0}.faq-block details:last-child{border-bottom:1px solid var(--line)}.faq-block summary{cursor:pointer;color:var(--ink);font-weight:800}.faq-block details p{margin:9px 0 0;color:var(--muted)}.submission-flow{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px}.submission-flow ol{list-style:none;padding:0;margin:0;display:grid;gap:18px}.submission-flow li{display:grid;grid-template-columns:50px 1fr;gap:16px}.submission-flow li>span{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--red);color:#fff;font-weight:800}.submission-flow h3{margin-bottom:5px}.submission-flow p{color:var(--muted);font-size:.93rem}.evidence-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.evidence-grid .section-heading{grid-column:1/-1}.evidence-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.evidence-card p{font-size:.9rem;color:var(--muted);margin-top:8px}.privacy-panel,.principle-panel{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.privacy-panel img,.principle-panel img{border-radius:24px}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:30px}.about-grid article{border-top:4px solid var(--red);background:#fff;padding:26px;border-radius:0 0 18px 18px}.about-grid h2{font-size:1.45rem}.about-grid p{color:var(--muted);font-size:.92rem}.about-grid a{color:var(--red);font-weight:760}.search-intro{max-width:900px;text-align:center}.big-search{margin:30px auto 0;display:flex;max-width:700px;background:#fff;border:1px solid var(--line);border-radius:999px;overflow:hidden;box-shadow:0 16px 35px rgba(37,35,34,.06)}.big-search input{flex:1;min-width:0;border:0;outline:0;padding:15px 20px;background:transparent}.big-search button{border:0;background:var(--red);color:#fff;padding:0 24px;font-weight:800}.search-results{padding-top:15px}.empty-state{text-align:center;padding:54px 24px;background:var(--sand);border-radius:22px}.empty-state h2{font-size:1.7rem}.empty-state p{color:var(--muted);margin-top:8px}.empty-state .button{margin-top:10px}.error-page{max-width:780px;margin:0 auto;padding:120px 24px;text-align:center}.error-page p:not(.eyebrow){color:var(--muted);font-size:1.05rem;margin-top:16px}.error-page .hero-actions{justify-content:center}
@media (max-width:1040px){.header-inner{grid-template-columns:auto auto 1fr}.menu-toggle{display:inline-flex;justify-self:end}.primary-nav{display:none;position:absolute;left:24px;right:24px;top:72px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column}.primary-nav.is-open{display:flex}.primary-nav a{border-radius:10px}.header-search{justify-self:end}.hero-shell{grid-template-columns:1fr}.hero-copy{padding-bottom:0}.hero-visual{max-width:780px}.featured-grid,.story-list-grid{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}.pulse-strip{grid-template-columns:repeat(2,1fr)}.evidence-grid{grid-template-columns:repeat(2,1fr)}.about-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media (max-width:760px){.header-inner{min-height:68px;padding:0 16px;grid-template-columns:1fr auto}.brand-mark small{display:none}.header-search{grid-column:1/-1;width:100%;margin-bottom:12px}.header-search input{flex:1;width:auto}.primary-nav{top:64px;left:16px;right:16px}.hero-shell{margin-top:24px;padding:0 16px;gap:20px}.hero-copy{padding-top:20px}.hero-actions{align-items:stretch}.hero-actions .button{flex:1}.hero-visual{border-radius:20px}.pulse-strip{padding:0 16px;margin-bottom:42px;grid-template-columns:1fr}.section-wrap{padding:52px 16px}.split-heading{grid-template-columns:1fr;gap:8px}.featured-grid,.story-list-grid,.topic-grid{grid-template-columns:1fr}.topic-band{padding:56px 16px}.path-panel{grid-template-columns:1fr;gap:0}.path-submit>div{order:2}.path-submit>img{order:1}.path-panel img{min-height:250px}.path-panel>div{padding:25px}.editorial-note{grid-template-columns:1fr;gap:22px}.page-intro{padding:48px 16px 25px}.filter-row{padding-left:16px;padding-right:16px;overflow-x:auto;flex-wrap:nowrap}.filter-row a{white-space:nowrap}.index-head{align-items:flex-start;flex-direction:column;gap:4px}.article-page{padding:50px 16px 10px}.article-header{text-align:left}.article-layout{grid-template-columns:1fr;gap:24px;margin-top:30px}.article-aside{position:static}.app-intro,.submit-intro,.about-intro{grid-template-columns:1fr}.app-intro>img,.submit-intro>img,.about-intro>img{max-height:420px}.app-methods{grid-template-columns:1fr}.split-info,.privacy-panel,.principle-panel{grid-template-columns:1fr}.submission-flow{grid-template-columns:1fr;gap:24px}.evidence-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:30px;padding:44px 16px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{padding:16px;flex-direction:column}.big-search{border-radius:16px;flex-direction:column}.big-search button{padding:12px}.compact-cards{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.hero-actions,.header-search,.menu-toggle{display:none!important}body{background:#fff}.section-wrap,.article-page{padding-left:0;padding-right:0}.story-card{break-inside:avoid}}
.guide-toc{padding-top:24px}.guide-grid .topic-link.light{background:#fff;color:var(--body);border-color:var(--line)}.guide-grid .topic-link.light h3{color:var(--ink)}.guide-grid .topic-link.light p{color:var(--muted)}.long-guide{display:grid;grid-template-columns:120px 1fr;gap:40px;max-width:1040px;border-top:1px solid var(--line)}.guide-number{font-size:4.5rem;font-weight:900;line-height:1;color:#e7ddd5;letter-spacing:-.07em}.guide-copy{max-width:760px}.guide-copy h2{margin-bottom:22px}.guide-copy h3{font-size:1.18rem;margin:28px 0 8px}.guide-copy p{color:#544f4b}.guide-copy .text-link{display:inline-block;margin-top:14px}.guide-checklist{max-width:960px}.guide-checklist ol{list-style:none;padding:0;margin:0;display:grid;gap:10px}.guide-checklist li{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;padding:18px 0;border-top:1px solid var(--line)}.guide-checklist li:last-child{border-bottom:1px solid var(--line)}.guide-checklist strong{color:var(--ink)}.guide-checklist span{color:var(--muted);font-size:.9rem}@media(max-width:760px){.long-guide{grid-template-columns:1fr;gap:12px}.guide-number{font-size:2.8rem}.guide-checklist li{grid-template-columns:1fr;gap:6px}}