:root{--brand:#C85C3A;--amber:#E6B85C;--ink:#2B2523;--bg:#FAF7F2;--soft:#F1EAE2;--text:#332E2B;--muted:#766C66;--accent:#D94A32;--white:#fff;--line:#ded4cb;--radius:20px;--radius-sm:12px;--shadow:0 18px 50px rgba(62,43,32,.09);--shell:1180px;--reading:760px}*{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","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(calc(100% - 48px),var(--shell));margin-inline:auto}.skip-link{position:fixed;left:18px;top:-80px;background:var(--ink);color:#fff;padding:10px 16px;z-index:200;border-radius:8px}.skip-link:focus{top:18px}.site-header{position:sticky;top:0;z-index:100;background:rgba(250,247,242,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(120,95,78,.15)}.header-row{min-height:76px;display:flex;align-items:center;gap:26px}.brand-lockup{display:inline-flex;align-items:center;gap:12px;flex:none}.brand-lockup img{width:44px;height:44px;object-fit:contain;border-radius:12px}.brand-lockup span{display:flex;flex-direction:column;line-height:1.15}.brand-lockup strong{font-size:1.12rem;color:var(--ink)}.brand-lockup small{margin-top:5px;color:var(--muted);font-size:.75rem;letter-spacing:.02em}.primary-nav{display:flex;align-items:center;gap:6px;margin-left:auto}.primary-nav a{padding:9px 12px;border-radius:999px;font-size:.94rem;color:#514742}.primary-nav a:hover,.primary-nav a[aria-current=page]{background:var(--soft);color:var(--ink)}.search-open,.menu-toggle,.icon-button,.text-button,.back-top{border:0;background:transparent;color:var(--ink)}.search-open{border:1px solid var(--line);padding:9px 14px;border-radius:999px;white-space:nowrap}.search-open:hover{border-color:var(--brand);color:var(--brand)}.menu-toggle{display:none;padding:10px 12px;border:1px solid var(--line);border-radius:10px}.section-pad{padding:86px 0}.section-pad--compact{padding:56px 0}.section-pad--topless{padding-top:0}.section-tone{background:var(--soft)}.section-tone-dark{background:var(--ink);color:#f8eee8}.eyebrow{text-transform:none;color:var(--brand);font-weight:800;font-size:.82rem;letter-spacing:.1em;margin:0 0 12px}.section-tone-dark .eyebrow{color:var(--amber)}h1,h2,h3{font-weight:800;line-height:1.28;color:var(--ink);margin:0}h1{font-size:clamp(2.45rem,5vw,5.15rem);letter-spacing:-.045em}h2{font-size:clamp(1.55rem,3vw,2.55rem);letter-spacing:-.025em}h3{font-size:1.12rem}.section-tone-dark h1,.section-tone-dark h2,.section-tone-dark h3{color:#fff}.lead{font-size:1.13rem;line-height:1.9;color:#5f534d;max-width:760px;margin:20px 0 0}.section-tone-dark .lead,.section-tone-dark p{color:#dbcfc8}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:999px;background:var(--brand);color:#fff;font-weight:800;border:1px solid var(--brand);transition:.18s ease}.button:hover{transform:translateY(-1px);background:#ad4c30}.button--ghost{background:transparent;color:var(--ink);border-color:#c8b9ae}.button--ghost:hover{background:var(--soft);color:var(--ink)}.button--small{min-height:42px;padding:9px 15px;font-size:.92rem}.button--light{background:#fff;color:var(--ink);border-color:#fff}.intro-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:800;margin-top:10px}.text-link::after{content:"→"}.text-link:hover{text-decoration:underline}.text-button{padding:0;color:var(--brand);font-weight:800;text-decoration:underline;text-underline-offset:4px}.home-intro{padding-top:70px}.home-intro__grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:70px;align-items:center}.home-intro h1{font-size:clamp(2.6rem,5.3vw,5.3rem);max-width:800px}.home-intro__visual{margin:0;position:relative}.home-intro__visual img{width:100%;aspect-ratio:1.12/1;object-fit:cover;border-radius:32px 32px 120px 32px;box-shadow:var(--shadow);background:var(--soft)}.home-intro__visual figcaption{font-size:.82rem;color:var(--muted);margin-top:12px}.identity-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:40px 0 0;border-radius:16px;overflow:hidden}.identity-list div{background:rgba(255,255,255,.55);padding:16px}.identity-list dt{font-size:.78rem;color:var(--muted);margin-bottom:4px}.identity-list dd{margin:0;font-weight:800;color:var(--ink);font-size:.9rem}.section-heading{max-width:780px;margin-bottom:38px}.section-heading--line{max-width:none;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(240px,.8fr);gap:60px;align-items:end}.section-heading p:last-child{margin:14px 0 0;color:var(--muted)}.section-heading--line>p{margin:0 0 4px!important}.route-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.route-sequence{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.route-step{display:flex;gap:14px;padding:26px 24px 6px 0}.route-step+.route-step{border-left:1px solid var(--line);padding-left:24px}.route-step__num{flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--amber);color:var(--ink);font-size:.78rem;font-weight:900}.route-step p{margin:8px 0 0;color:var(--muted);font-size:.93rem}.split-directory{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:70px}.directory-main>p{max-width:720px;color:var(--muted)}.directory-links{border-top:1px solid var(--line);margin-top:34px}.directory-links a{display:grid;grid-template-columns:200px 1fr;gap:26px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start}.directory-links strong{font-size:1.05rem;color:var(--ink)}.directory-links span{color:var(--muted)}.directory-links a:hover strong{color:var(--brand)}.directory-aside{align-self:start;background:var(--soft);padding:20px;border-radius:24px;position:sticky;top:100px}.directory-aside img{width:100%;aspect-ratio:1.25/1;object-fit:cover;border-radius:15px;margin-bottom:20px}.directory-aside h3{font-size:1.25rem}.directory-aside p{color:var(--muted);font-size:.94rem}.feature-band{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:start}.feature-band figure{margin:0;position:sticky;top:100px}.feature-band figure img{width:100%;border-radius:30px;aspect-ratio:1/1.1;object-fit:cover}.article-list{border-top:1px solid var(--line)}.article-row{padding:24px 0;border-bottom:1px solid var(--line)}.article-row__meta{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:8px}.article-row__meta .eyebrow{margin:0;font-size:.72rem}.article-row time{color:var(--muted);font-size:.8rem}.article-row h3{font-size:1.2rem}.article-row h3 a:hover{color:var(--brand)}.article-row p{color:var(--muted);margin:8px 0 0}.editorial-grid{display:grid;grid-template-columns:minmax(240px,.45fr) minmax(0,.55fr);gap:90px}.editorial-grid>div:first-child{position:sticky;top:112px;align-self:start}.editorial-grid>div:first-child p:last-child{color:var(--muted)}.mobile-bridge{border-top:1px solid var(--line)}.mobile-bridge__grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:70px;align-items:center}.mobile-bridge figure{margin:0}.mobile-bridge figure img{border-radius:28px;aspect-ratio:1.15/1;object-fit:cover}.plain-checks{list-style:none;padding:0;margin:24px 0}.plain-checks li{position:relative;padding:8px 0 8px 28px;border-bottom:1px dashed var(--line)}.plain-checks li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:900}.verify-note__grid{display:grid;grid-template-columns:1fr .8fr;gap:70px;align-items:center}.verify-note figure{margin:0}.verify-note img{border-radius:24px}.home-guide__grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.home-guide article{border-top:1px solid var(--line);padding-top:20px}.home-guide img{width:100%;aspect-ratio:1.6/1;object-fit:cover;border-radius:22px;margin-bottom:24px}.home-guide p{color:var(--muted)}.final-index{border-top:1px solid var(--line)}.final-index__grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.final-index__links{display:grid;grid-template-columns:1fr 1fr}.final-index__links a{padding:16px 12px 16px 0;border-bottom:1px solid var(--line);font-weight:800}.final-index__links a:hover{color:var(--brand)}
.page-hero{border-bottom:1px solid var(--line)}.page-hero__split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:70px;align-items:center}.page-hero figure{margin:0}.page-hero figure img{width:100%;border-radius:30px;aspect-ratio:1.2/1;object-fit:cover}.page-hero--compact h1{max-width:940px;font-size:clamp(2.4rem,4.5vw,4.2rem)}.page-hero--compact .lead{max-width:860px}.topic-columns{display:grid;grid-template-columns:1.1fr .9fr;gap:70px}.state-list{margin:26px 0 0}.state-list div{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}.state-list dt{font-weight:900;color:var(--ink)}.state-list dd{margin:0;color:var(--muted)}.number-list{padding-left:22px}.number-list li{padding:6px 0;color:var(--muted)}.community-links{border-top:1px solid var(--line)}.community-links__grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:center}.community-links img{border-radius:24px}.stack-links{display:grid;margin-top:24px;border-top:1px solid var(--line)}.stack-links a{padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}.stack-links a:hover{color:var(--brand)}.app-hero{display:grid;grid-template-columns:1fr .72fr;gap:70px;align-items:center}.app-hero figure{margin:0}.device-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}.device-layout aside{background:var(--soft);padding:18px;border-radius:24px}.device-layout aside img{border-radius:16px}.device-layout aside p{color:var(--muted);font-size:.9rem;margin:12px 4px 2px}.device-scale{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}.device-scale span{border:1px solid var(--line);background:#fff8;padding:8px 11px;border-radius:999px;font-weight:800;font-size:.82rem}.interaction-notes{display:grid;grid-template-columns:1fr 1fr;gap:60px}.interaction-notes>div{border-top:3px solid var(--brand);padding-top:20px}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.status-grid article{background:rgba(255,255,255,.55);padding:24px;border-radius:18px}.status-grid span{display:block;color:var(--brand);font-weight:900;margin-bottom:22px}.status-grid p{color:var(--muted)}.report-boundary{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.report-boundary img{border-radius:24px}.filter-tabs{display:flex;gap:10px;flex-wrap:wrap}.filter-tabs a{padding:10px 14px;background:#fff8;border:1px solid var(--line);border-radius:999px;font-weight:800;font-size:.9rem}.filter-tabs a[aria-current=page],.filter-tabs a:hover{background:var(--brand);border-color:var(--brand);color:#fff}.list-summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:20px}.list-summary p{margin:0;color:var(--muted)}.list-summary strong{color:var(--ink)}.article-head{padding-bottom:44px}.article-shell{max-width:940px}.article-head h1{font-size:clamp(2.35rem,4.7vw,4.65rem);margin-top:14px}.breadcrumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:.86rem;color:var(--muted);margin-bottom:30px}.breadcrumbs a:hover{color:var(--brand)}.article-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:26px;color:var(--muted);font-size:.86rem}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:70px;align-items:start}.prose{max-width:var(--reading)}.prose section{padding:30px 0;border-top:1px solid var(--line)}.prose h2{font-size:1.6rem}.prose p{font-size:1.03rem;line-height:2;color:#504640;margin:14px 0 0}.article-aside{position:sticky;top:100px;display:grid;gap:14px}.aside-box{background:var(--soft);padding:20px;border-radius:16px}.aside-box h2{font-size:1rem}.aside-box p{font-size:.9rem;color:var(--muted)}.aside-box .text-link{display:flex}.search-page-form{max-width:720px;margin-top:34px}.search-page-form label{display:block;font-weight:800;margin-bottom:8px}.search-page-form>div{display:flex;gap:8px}.search-page-form input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;padding:13px 15px;border-radius:12px}.search-page-form button{border:0;background:var(--brand);color:#fff;font-weight:800;padding:0 18px;border-radius:12px}.empty-state{background:var(--soft);padding:30px;border-radius:18px}.empty-state h2{font-size:1.4rem}.empty-state p{color:var(--muted)}.guide-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.guide-steps article{padding:24px 0;border-top:3px solid var(--brand)}.guide-steps span{color:var(--brand);font-weight:900}.guide-steps h2{font-size:1.24rem;margin-top:30px}.guide-steps p{color:var(--muted)}.two-column-prose{display:grid;grid-template-columns:1fr 1fr;gap:70px}.two-column-prose h2{font-size:1.45rem;margin-top:34px}.two-column-prose h2:first-child{margin-top:0}.two-column-prose p{color:var(--muted)}.faq-list{max-width:900px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-item h2{font-size:1.08rem}.faq-item button{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;text-align:left;border:0;background:transparent;padding:20px 0;font-weight:800;color:var(--ink)}.faq-item button span{font-size:1.5rem;color:var(--brand)}.faq-answer{padding:0 50px 22px 0}.faq-answer p{margin:0;color:var(--muted)}.compact-callout{display:flex;align-items:center;justify-content:space-between;gap:40px}.compact-callout p{color:var(--muted);margin-bottom:0}.inline-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.principle-grid,.safety-rules,.contact-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.principle-grid article,.safety-rules article,.contact-grid article{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.principle-grid h2,.safety-rules h2,.contact-grid h2{font-size:1.35rem}.principle-grid p,.safety-rules p,.contact-grid p{color:var(--muted)}.policy-prose{max-width:850px}.policy-prose section{padding:26px 0;border-top:1px solid var(--line)}.policy-prose h2{font-size:1.5rem}.policy-prose p{color:var(--muted)}.not-found{min-height:66vh;display:flex;align-items:center}.not-found__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}.not-found__grid aside{display:grid;background:var(--soft);padding:26px;border-radius:22px}.not-found__grid aside h2{font-size:1.3rem;margin-bottom:12px}.not-found__grid aside a{padding:11px 0;border-bottom:1px solid var(--line);font-weight:800}.not-found__grid aside a:hover{color:var(--brand)}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:300;display:grid;place-items:start center;padding-top:min(18vh,160px)}.search-modal__backdrop{position:absolute;inset:0;background:rgba(43,37,35,.64);backdrop-filter:blur(5px)}.search-modal__panel{position:relative;width:min(calc(100% - 32px),720px);background:var(--bg);border-radius:24px;box-shadow:0 30px 100px rgba(0,0,0,.28);padding:28px}.search-modal__head{display:flex;align-items:center;justify-content:space-between;gap:20px}.search-modal__head h2{font-size:1.55rem}.icon-button{border:1px solid var(--line);border-radius:999px;padding:7px 11px}.search-form{margin-top:24px}.search-form label{display:block;font-weight:800;margin-bottom:9px}.search-form__row{display:flex;gap:8px}.search-form input{flex:1;min-width:0;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#fff}.search-form button{border:0;background:var(--brand);color:#fff;border-radius:12px;padding:0 18px;font-weight:800}.search-form p{font-size:.86rem;color:var(--muted);margin:10px 0 0}.site-footer{border-top:1px solid var(--line);padding:60px 0 24px;background:#f6f0e9}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:70px}.footer-intro p{max-width:420px;color:var(--muted);font-size:.92rem}.brand-lockup--footer{margin-bottom:16px}.footer-links{display:grid;align-content:start}.footer-links h2{font-size:1rem;margin-bottom:14px}.footer-links a{font-size:.9rem;color:var(--muted);padding:5px 0}.footer-links a:hover{color:var(--brand)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:46px;padding-top:20px}.footer-bottom p{margin:0;color:var(--muted);font-size:.82rem}.back-top{color:var(--brand);font-weight:800;font-size:.84rem}
@media(max-width:1024px){.shell{width:min(calc(100% - 36px),var(--shell))}.primary-nav{position:absolute;top:76px;left:18px;right:18px;background:var(--bg);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:12px;display:none;flex-direction:column;align-items:stretch}.primary-nav[data-open="true"]{display:flex}.primary-nav a{padding:12px}.menu-toggle{display:block;margin-left:auto}.header-row>.search-open{display:none}.home-intro__grid,.page-hero__split,.app-hero{grid-template-columns:1fr;gap:40px}.home-intro__visual{max-width:720px}.route-sequence{grid-template-columns:1fr 1fr}.route-step:nth-child(3){border-left:0}.split-directory,.feature-band,.editorial-grid,.mobile-bridge__grid,.verify-note__grid,.final-index__grid,.topic-columns,.community-links__grid,.device-layout,.report-boundary,.article-layout,.not-found__grid{grid-template-columns:1fr;gap:46px}.directory-aside,.feature-band figure,.editorial-grid>div:first-child,.article-aside{position:static}.directory-aside{display:grid;grid-template-columns:.7fr 1fr;column-gap:20px}.directory-aside img{grid-row:1/4}.status-grid,.guide-steps{grid-template-columns:1fr 1fr}.article-aside{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-intro{grid-column:1/-1}}
@media(max-width:768px){.section-pad{padding:66px 0}.section-pad--compact{padding:44px 0}.section-heading--line{grid-template-columns:1fr;gap:16px}.identity-list{grid-template-columns:1fr}.route-sequence{grid-template-columns:1fr}.route-step+.route-step{border-left:0;border-top:1px solid var(--line);padding-left:0}.directory-links a{grid-template-columns:1fr;gap:5px}.directory-aside{display:block}.home-guide__grid,.interaction-notes,.two-column-prose,.principle-grid,.safety-rules,.contact-grid{grid-template-columns:1fr}.final-index__links{grid-template-columns:1fr}.status-grid,.guide-steps{grid-template-columns:1fr 1fr}.article-aside{grid-template-columns:1fr}.compact-callout{align-items:flex-start;flex-direction:column}.footer-grid{gap:34px}.article-meta{display:grid;gap:6px}}
@media(max-width:600px){.shell{width:min(calc(100% - 28px),var(--shell))}.header-row{min-height:68px;gap:10px}.primary-nav{top:68px;left:14px;right:14px}.brand-lockup img{width:38px;height:38px}.brand-lockup small{display:none}.menu-toggle{padding:8px 10px}.home-intro{padding-top:46px}h1{font-size:2.45rem}.home-intro h1{font-size:2.65rem}.page-hero--compact h1,.article-head h1{font-size:2.35rem}.lead{font-size:1rem}.intro-actions{display:grid}.button{width:100%}.article-row__meta{align-items:flex-start;flex-direction:column;gap:4px}.feature-band{gap:28px}.status-grid,.guide-steps{grid-template-columns:1fr}.state-list div{grid-template-columns:1fr;gap:4px}.search-page-form>div,.search-form__row{flex-direction:column}.search-page-form button,.search-form button{min-height:44px}.filter-tabs{display:grid;grid-template-columns:1fr 1fr}.list-summary{align-items:flex-start;flex-direction:column}.prose h2{font-size:1.4rem}.prose p{font-size:1rem}.footer-grid{grid-template-columns:1fr}.footer-intro{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column}.search-modal{padding-top:40px}.search-modal__panel{padding:20px}.page-hero figure img,.home-intro__visual img{border-radius:22px}.directory-links a{padding:18px 0}.section-tone-dark .button{width:auto}}
@media(max-width:375px){.shell{width:min(calc(100% - 22px),var(--shell))}.section-pad{padding:56px 0}.brand-lockup strong{font-size:1rem}h1,.home-intro h1{font-size:2.25rem}.menu-toggle span{font-size:.88rem}.filter-tabs{grid-template-columns:1fr}.status-grid article{padding:20px}.final-index__links a{padding-right:0}.search-modal__head{align-items:flex-start}.search-modal__head h2{font-size:1.35rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}