:root{
  --brand:#C84A5A;--copper:#D08A48;--ink:#121214;--bg:#17171A;--panel:#222226;--text:#F1EEEE;--muted:#A9A3A6;--accent:#E59A3A;
  --line:rgba(241,238,238,.12);--soft:rgba(255,255,255,.045);--max:1180px;--reading:760px;--radius:24px;
  --shadow:0 24px 70px rgba(0,0,0,.28);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.narrow-copy{width:min(calc(100% - 48px),980px);margin-inline:auto}.section{padding:92px 0}.section-muted{background:var(--panel)}.section-dark{background:var(--ink)}.eyebrow{margin:0 0 14px;color:var(--copper);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.muted{color:var(--muted)}h1,h2,h3{line-height:1.18;letter-spacing:-.025em}h1{font-size:clamp(2.4rem,6vw,5.4rem);margin:.15em 0 .35em}h2{font-size:clamp(1.75rem,3.5vw,3rem);margin:.2em 0 .45em}h3{font-size:1.18rem;margin:.2em 0 .55em}p{margin:.7em 0;color:#d7d2d3}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:var(--accent);color:#17171A;padding:10px 14px;border-radius:8px;font-weight:800}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:50;background:rgba(18,18,20,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-shell{min-height:76px;width:min(calc(100% - 48px),1280px);margin:auto;display:flex;align-items:center;gap:28px}.brand-lockup{display:flex;align-items:center;gap:12px;min-width:230px}.brand-lockup img{width:42px;height:42px;object-fit:contain;border-radius:12px}.brand-lockup span{display:grid;line-height:1.15}.brand-lockup b{font-size:1.05rem}.brand-lockup small{margin-top:5px;color:var(--muted);font-size:.72rem}.main-nav{display:flex;align-items:center;gap:8px;margin-left:auto}.main-nav a,.search-toggle,.menu-toggle{border:0;background:none;color:#dcd8d9;padding:10px 12px;border-radius:10px;cursor:pointer}.main-nav a:hover,.main-nav a[aria-current="page"],.search-toggle:hover{background:var(--soft);color:white}.search-toggle{border:1px solid var(--line);margin-left:8px}.menu-toggle{display:none}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.72);display:grid;place-items:start center;padding:12vh 20px}.search-dialog{position:relative;width:min(680px,100%);background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:34px}.search-close{position:absolute;right:18px;top:16px;width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:transparent;color:white;cursor:pointer}.search-form label,.search-page-form label{display:block;color:var(--muted);margin-bottom:10px}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;background:var(--ink);border:1px solid var(--line);color:white;border-radius:12px;padding:13px 14px}.search-row button{border:0;background:var(--accent);color:#211708;border-radius:12px;padding:12px 18px;font-weight:800;cursor:pointer}.breadcrumbs{width:min(calc(100% - 48px),var(--max));margin:24px auto 0}.breadcrumbs ol{list-style:none;padding:0;margin:0;display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.82rem}.breadcrumbs li+li:before{content:"/";margin-right:8px;color:#6c6769}.breadcrumbs a:hover{color:white}.home-hero{min-height:720px;position:relative;display:flex;align-items:flex-end;overflow:hidden}.hero-media,.hero-overlay{position:absolute;inset:0}.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.5}.hero-overlay{background:linear-gradient(90deg,rgba(18,18,20,.96) 0%,rgba(18,18,20,.76) 50%,rgba(18,18,20,.25) 100%),linear-gradient(0deg,var(--ink),transparent 45%)}.hero-copy{position:relative;z-index:2;padding:120px 0 70px}.hero-copy h1{max-width:940px}.hero-lead{max-width:780px;font-size:1.15rem}.hero-actions{display:flex;align-items:center;gap:20px;margin:28px 0 38px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:12px;font-weight:800}.btn-primary{background:var(--accent);color:#22180b}.btn-secondary{border:1px solid var(--brand);color:#fff;background:rgba(200,74,90,.09)}.text-link{color:#f3b968;font-weight:750}.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;max-width:860px}.hero-facts div{padding:16px 18px;background:rgba(18,18,20,.75)}.hero-facts dt{font-size:.75rem;color:var(--muted)}.hero-facts dd{margin:4px 0 0;font-weight:700}.intro-grid{display:grid;grid-template-columns:.85fr 1.4fr;gap:70px}.sticky-heading{align-self:start;position:sticky;top:110px}.section-heading p{max-width:680px}.editorial-index{border-top:1px solid var(--line)}.editorial-index article{display:grid;grid-template-columns:58px 1fr;gap:22px;padding:28px 0;border-bottom:1px solid var(--line)}.editorial-index article>span{color:var(--brand);font-weight:900;font-size:1.3rem}.editorial-index a{color:var(--accent);font-weight:750}.split-feature{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}.split-feature.reverse{grid-template-columns:1fr 1.05fr}.split-feature.reverse .feature-image{order:2}.feature-image img{width:100%;aspect-ratio:1.18/1;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.feature-copy{max-width:560px}.check-list,.cross-list{padding:0;list-style:none;margin:26px 0}.check-list li,.cross-list li{position:relative;padding:10px 0 10px 30px;border-bottom:1px solid var(--line)}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:900}.cross-list li:before{content:"–";position:absolute;left:4px;color:var(--brand);font-weight:900}.row-heading{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:36px}.row-heading>p{max-width:420px}.step-stack{border-top:1px solid var(--line)}.step-row{display:grid;grid-template-columns:90px 1fr;gap:24px;padding:34px 0;border-bottom:1px solid var(--line)}.step-row>span{font-size:2rem;color:#685f62;font-weight:900}.step-row p{max-width:820px}.app-band{background:linear-gradient(120deg,#211719,#241d17 55%,#1e1e20)}.app-band-grid{display:grid;grid-template-columns:1fr .92fr;gap:60px;align-items:center}.app-band-copy{padding:20px 0}.mini-links{display:grid;gap:10px;margin:24px 0 30px}.mini-links a{padding:10px 0;border-bottom:1px solid var(--line);color:#e7e0e1}.device-visual{position:relative;min-height:560px}.device-visual>img:first-child{width:72%;margin-left:auto;border-radius:28px;box-shadow:var(--shadow)}.device-small{position:absolute!important;width:48%!important;left:0;bottom:0;border-radius:24px;box-shadow:var(--shadow);border:1px solid var(--line)}.principle-layout{display:grid;grid-template-columns:.75fr 1.4fr;gap:70px}.principle-list{border-top:1px solid var(--line)}.principle-list article{padding:26px 0;border-bottom:1px solid var(--line)}.guide-preview{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.guide-preview img{border-radius:26px}.route-list{display:grid;margin-top:24px}.route-list a{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}.route-list span{color:var(--muted);text-align:right}.compact-topic{display:grid;grid-template-columns:.62fr 1fr;gap:52px;align-items:center}.topic-image img{border-radius:22px}.section-accent{background:#2a191b;border-top:1px solid rgba(200,74,90,.3)}.final-cta{display:flex;justify-content:space-between;gap:50px;align-items:end}.final-cta>div:first-child{max-width:720px}.cta-links{display:flex;gap:12px;flex-wrap:wrap}.cta-links a{padding:11px 14px;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:10px}.page-hero{padding:80px 0 58px;display:grid;grid-template-columns:1.1fr .78fr;gap:60px;align-items:center}.page-hero h1{font-size:clamp(2.4rem,5vw,4.6rem)}.page-hero img{width:100%;max-height:560px;object-fit:cover;border-radius:26px}.numbered-flow{display:grid}.numbered-flow article{display:grid;grid-template-columns:90px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}.numbered-flow span{font-weight:900;color:var(--brand);font-size:1.4rem}.info-table{margin-top:24px;border-top:1px solid var(--line)}.info-table div{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}.info-table span{color:#cbc5c7}.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.scenario-grid article{background:var(--bg);padding:30px}.app-trouble{background:#181416}.two-column-text{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}.ordered-checks{margin:0;padding-left:1.2em}.ordered-checks li{padding:12px 0;border-bottom:1px solid var(--line)}.ordered-checks a{color:var(--accent)}.related-strip{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:start}.related-strip nav{display:grid;border-top:1px solid var(--line)}.related-strip nav a{display:flex;justify-content:space-between;gap:22px;padding:18px 0;border-bottom:1px solid var(--line)}.related-strip nav span{color:var(--muted);text-align:right}.guide-article-list{max-width:930px;margin:auto}.guide-article-list article{display:grid;grid-template-columns:64px 1fr;gap:28px;padding:34px 0;border-bottom:1px solid var(--line)}.guide-article-list article>span{width:46px;height:46px;border:1px solid var(--brand);color:#ffadba;border-radius:50%;display:grid;place-items:center;font-weight:900}.compare-panel{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}.path-map{display:grid}.path-map a{display:grid;grid-template-columns:160px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}.path-map strong{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--accent)}.path-map span{color:#ddd6d8}.split-copy{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px}.split-copy>div:last-child{max-width:740px}.submit-timeline{position:relative}.submit-timeline:before{content:"";position:absolute;left:25px;top:20px;bottom:20px;width:1px;background:var(--line)}.submit-timeline article{position:relative;display:grid;grid-template-columns:54px 1fr;gap:24px;padding:22px 0}.submit-timeline span{z-index:1;width:50px;height:50px;display:grid;place-items:center;border-radius:50%;background:var(--bg);border:1px solid var(--brand);color:#ffc1cb;font-weight:900}.boundary-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.faq-list{max-width:900px}.faq-item{border-bottom:1px solid var(--line)}.faq-item h2{margin:0}.faq-item button{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;color:var(--text);padding:24px 0;font-weight:800;font-size:1.12rem;cursor:pointer}.faq-item button b{color:var(--accent);font-size:1.5rem}.faq-answer{padding:0 50px 24px 0}.about-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.about-grid article{padding:34px;background:var(--bg)}.about-grid article>span{color:var(--brand);font-weight:900}.safety-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.safety-grid article{padding:26px;border:1px solid var(--line);background:var(--soft);border-radius:18px}.policy-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}.policy-list article{padding:28px;border-top:2px solid var(--brand);background:var(--soft)}.route-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.route-cards a{padding:28px;border:1px solid var(--line);border-radius:18px;background:var(--soft)}.route-cards a:hover{border-color:rgba(229,154,58,.5);transform:translateY(-2px)}.route-cards span{color:var(--accent);font-size:.8rem;font-weight:900;letter-spacing:.12em}.search-page-form{padding-top:20px;max-width:900px}.search-page-form form{padding:28px;border:1px solid var(--line);background:var(--soft);border-radius:18px}.search-results{padding-top:10px}.result-list{display:grid;border-top:1px solid var(--line)}.result-list article{padding:24px 0;border-bottom:1px solid var(--line)}.result-list h3 a:hover{color:var(--accent)}.empty-state{padding:46px;border:1px dashed #585154;border-radius:18px}.not-found{padding:120px 0;min-height:62vh}.not-found h1{max-width:760px}.not-found p{max-width:700px}.not-found nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.not-found nav a{padding:12px 15px;border:1px solid var(--line);border-radius:10px}.site-footer{background:var(--ink);border-top:1px solid var(--line)}.footer-shell{width:min(calc(100% - 48px),var(--max));margin:auto;padding:64px 0;display:grid;grid-template-columns:1fr 1.2fr;gap:70px}.footer-intro{max-width:520px}.footer-intro h2{font-size:1.65rem}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}.footer-links div{display:flex;flex-direction:column;gap:9px}.footer-links strong{font-size:.85rem;margin-bottom:4px}.footer-links a{color:var(--muted);font-size:.9rem}.footer-links a:hover{color:white}.footer-bottom{width:min(calc(100% - 48px),var(--max));margin:auto;padding:20px 0 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#777174;font-size:.78rem}
@media (max-width:1024px){.main-nav{position:absolute;left:24px;right:24px;top:76px;display:none;flex-direction:column;align-items:stretch;background:#1b1b1e;border:1px solid var(--line);padding:12px;border-radius:16px;box-shadow:var(--shadow)}.main-nav.is-open{display:flex}.menu-toggle{display:block;margin-left:auto;border:1px solid var(--line)}.search-toggle{margin-left:0}.intro-grid,.principle-layout,.guide-preview,.split-feature,.split-feature.reverse,.app-band-grid,.page-hero,.compare-panel,.split-copy,.two-column-text,.related-strip,.footer-shell{grid-template-columns:1fr}.sticky-heading{position:static}.split-feature.reverse .feature-image{order:0}.device-visual{min-height:500px;max-width:620px}.page-hero img{max-height:480px}.footer-shell{gap:40px}.safety-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){.wrap,.narrow-copy,.header-shell,.breadcrumbs,.footer-shell,.footer-bottom{width:min(calc(100% - 32px),var(--max))}.section{padding:68px 0}.header-shell{min-height:68px}.brand-lockup{min-width:0}.brand-lockup small{display:none}.main-nav{top:68px;left:16px;right:16px}.home-hero{min-height:680px}.hero-copy{padding:110px 0 48px}.hero-facts{grid-template-columns:1fr}.row-heading,.final-cta{display:block}.row-heading>p{margin-top:16px}.final-cta .cta-links{margin-top:24px}.scenario-grid,.about-grid,.boundary-grid,.policy-list,.route-cards{grid-template-columns:1fr}.compact-topic{grid-template-columns:1fr}.safety-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.footer-bottom{gap:20px;flex-wrap:wrap}.step-row,.numbered-flow article{grid-template-columns:58px 1fr}.step-row>span{font-size:1.5rem}.page-hero{padding-top:54px}.page-hero h1{font-size:clamp(2.2rem,10vw,3.6rem)}.path-map a{grid-template-columns:125px 1fr}}
@media (max-width:600px){h1{font-size:clamp(2.2rem,12vw,3.6rem)}h2{font-size:clamp(1.6rem,8vw,2.2rem)}.search-toggle{font-size:0;width:42px;height:42px;padding:0}.search-toggle:after{content:"⌕";font-size:1.35rem}.hero-actions{align-items:stretch;flex-direction:column}.btn{width:100%}.hero-lead{font-size:1rem}.intro-grid{gap:38px}.editorial-index article{grid-template-columns:44px 1fr}.split-feature{gap:34px}.app-band-grid{gap:20px}.device-visual{min-height:390px}.device-visual>img:first-child{width:76%}.device-small{width:52%!important}.route-list a,.related-strip nav a{display:block}.route-list span,.related-strip nav span{display:block;text-align:left;margin-top:4px}.footer-links{grid-template-columns:1fr}.search-dialog{padding:28px 20px}.search-row{flex-direction:column}.search-row button{width:100%}.guide-article-list article{grid-template-columns:46px 1fr;gap:18px}.path-map a{grid-template-columns:1fr;gap:4px}.about-grid article,.scenario-grid article{padding:24px}.faq-answer{padding-right:0}}
@media (max-width:375px){.wrap,.narrow-copy,.header-shell,.breadcrumbs,.footer-shell,.footer-bottom{width:min(calc(100% - 24px),var(--max))}.brand-lockup img{width:36px;height:36px}.brand-lockup b{font-size:.95rem}.menu-toggle{padding:8px 9px}.hero-copy{padding-top:96px}.section{padding:56px 0}.step-row,.numbered-flow article{grid-template-columns:1fr}.step-row>span,.numbered-flow span{font-size:1rem}.page-hero{gap:32px}.route-cards a{padding:22px}.not-found{padding:80px 0}}

.audit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.audit-grid article{background:var(--bg);padding:26px}.audit-grid strong{display:block;color:var(--accent);font-size:.76rem;letter-spacing:.1em;margin-bottom:18px}.status-guide dl{margin:32px 0 0;border-top:1px solid var(--line)}.status-guide dl>div{display:grid;grid-template-columns:160px 1fr;gap:30px;padding:20px 0;border-bottom:1px solid var(--line)}.status-guide dt{font-weight:900;color:#f0c49a}.status-guide dd{margin:0;color:#d2ccce}@media(max-width:768px){.audit-grid{grid-template-columns:1fr 1fr}.status-guide dl>div{grid-template-columns:120px 1fr}}@media(max-width:600px){.audit-grid{grid-template-columns:1fr}.status-guide dl>div{grid-template-columns:1fr;gap:5px}}