:root{
  --brand:#C84A5A;
  --copper:#D08A48;
  --ink:#121214;
  --bg:#17171A;
  --panel:#222226;
  --panel-2:#29292f;
  --text:#F1EEEE;
  --muted:#A9A3A6;
  --accent:#E59A3A;
  --line:rgba(255,255,255,.11);
  --max:1180px;
  --reading:820px;
  --radius:22px;
  --shadow:0 24px 60px rgba(0,0,0,.26);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
button,input{font:inherit}
button{cursor:pointer}
.skip-link{position:fixed;left:14px;top:12px;z-index:9999;padding:10px 14px;background:#fff;color:#111;border-radius:8px;transform:translateY(-180%)}
.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(18,18,20,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-shell{max-width:var(--max);min-height:74px;margin:auto;padding:0 24px;display:flex;align-items:center;gap:22px}
.brand-lockup{display:flex;align-items:center;gap:11px;margin-right:auto;min-width:max-content}
.brand-lockup img{width:42px;height:42px;object-fit:cover;border-radius:12px;background:var(--panel)}
.brand-copy{display:grid;line-height:1.2}.brand-copy strong{font-size:1rem;letter-spacing:.03em}.brand-copy small{color:var(--muted);font-size:.72rem;margin-top:4px}
.primary-nav{display:flex;align-items:center;gap:4px}.primary-nav a{padding:9px 10px;border-radius:10px;color:#d7d3d5;font-size:.92rem}.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--panel);color:#fff}
.search-open,.menu-toggle{border:1px solid var(--line);background:transparent;color:#fff;border-radius:12px;padding:8px 12px}.search-open:hover,.menu-toggle:hover{border-color:rgba(229,154,58,.7);color:#ffd8a7}.menu-toggle{display:none}
.breadcrumb-wrap{max-width:var(--max);margin:0 auto;padding:18px 24px 0}.breadcrumbs{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;color:var(--muted);font-size:.85rem}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#615c5f}.breadcrumbs a:hover{color:#fff}
main{overflow:hidden}.section-shell{width:min(calc(100% - 48px),var(--max));margin:0 auto;padding:84px 0}.eyebrow{margin:0 0 12px;color:var(--accent);font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.section-heading{max-width:780px;margin-bottom:34px}.section-heading.compact{margin-bottom:24px}.section-heading h2,.split-copy h2,.prose-block h2,.comparison-note h2,.policy-list h2,.principle-list h2,.safety-grid h2,.identify-list h2,.scenario-list h2,.contact-types h2{font-size:clamp(1.45rem,2.2vw,2.3rem);line-height:1.25;margin:0 0 14px}.section-heading p:last-child{color:var(--muted);margin-bottom:0}.inline-link{display:inline-flex;align-items:center;gap:8px;color:#ffd39e;font-weight:700}.inline-link::after{content:"→";transition:transform .2s ease}.inline-link:hover::after{transform:translateX(4px)}
.primary-action{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#24170a;font-weight:800;padding:13px 18px;border-radius:12px;box-shadow:0 10px 24px rgba(229,154,58,.16)}.primary-action:hover{filter:brightness(1.08)}.primary-action.small{padding:10px 15px;font-size:.92rem}.text-action{display:inline-flex;align-items:center;padding:12px 4px;color:#f3ded4;font-weight:700;border-bottom:1px solid rgba(229,154,58,.42)}
.home-hero{width:min(calc(100% - 48px),1340px);margin:30px auto 0;min-height:620px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(390px,.85fr);position:relative;background:#121214;border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:var(--shadow)}
.hero-media{min-height:620px;position:relative}.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 48%,rgba(18,18,20,.84) 95%)}.hero-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.86) contrast(1.05)}
.hero-panel{align-self:center;padding:72px 58px 72px 18px;position:relative;z-index:2}.hero-panel h1,.page-hero h1{font-size:clamp(2.35rem,5vw,5.35rem);line-height:1.03;letter-spacing:-.04em;margin:0 0 24px}.hero-lead{font-size:1.08rem;color:#d1cbce;margin:0;max-width:780px}.hero-actions{display:flex;gap:18px;align-items:center;margin:32px 0 38px}.hero-facts{display:grid;grid-template-columns:1fr 1fr;margin:0;border-top:1px solid var(--line);padding-top:18px;gap:20px}.hero-facts div{display:grid;gap:4px}.hero-facts dt{color:var(--muted);font-size:.77rem}.hero-facts dd{margin:0;font-weight:700;font-size:.92rem;word-break:break-all}
.reading-strip{padding-top:54px;padding-bottom:54px}.route-index{display:grid;grid-template-columns:1.3fr 1fr .9fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.route-index a{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"num title" "num desc";column-gap:18px;padding:24px 24px;border-right:1px solid var(--line)}.route-index a:last-child{border-right:0}.route-index span{grid-area:num;color:var(--copper);font-weight:800}.route-index strong{grid-area:title;font-size:1rem}.route-index small{grid-area:desc;color:var(--muted);margin-top:4px;line-height:1.5}.route-index a:hover{background:rgba(255,255,255,.025)}
.feature-flow{padding-top:46px}.editorial-row{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);gap:54px;align-items:center;padding:44px 0;border-top:1px solid var(--line)}.editorial-row.reverse{grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr)}.editorial-row.reverse .editorial-copy{order:2}.editorial-copy h3{font-size:clamp(1.55rem,2.3vw,2.5rem);line-height:1.22;margin:0 0 14px}.editorial-copy p:not(.eyebrow){color:#c9c4c7;margin:0 0 18px}.editorial-media{border-radius:22px;overflow:hidden;aspect-ratio:3/2;background:var(--panel);border:1px solid var(--line)}.editorial-media img{width:100%;height:100%;object-fit:cover}
.split-note{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:56px;align-items:center}.split-note.plain{padding-top:56px}.split-media{border-radius:26px;overflow:hidden;background:var(--panel);border:1px solid var(--line)}.split-media img,.split-note>img{width:100%;height:100%;object-fit:cover}.split-copy p{color:#c9c4c7}.check-list{list-style:none;padding:0;margin:26px 0;display:grid;grid-template-columns:1fr 1fr;gap:10px}.check-list li{padding:11px 12px 11px 36px;background:var(--panel);border:1px solid var(--line);border-radius:12px;position:relative;font-size:.9rem}.check-list li::before{content:"✓";position:absolute;left:12px;color:var(--accent);font-weight:800}
.info-band{background:var(--ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.info-band-inner{width:min(calc(100% - 48px),var(--max));margin:0 auto;padding:68px 0;display:grid;grid-template-columns:.86fr 1.14fr;gap:54px;align-items:center}.info-band-inner img{border-radius:20px;aspect-ratio:14/9;object-fit:cover}.info-band-inner h2{font-size:clamp(1.6rem,3vw,3.1rem);line-height:1.14;margin:0 0 16px}.info-band-inner p:not(.eyebrow){color:#c7c1c4;margin-bottom:24px}.app-band .info-band-inner{grid-template-columns:1.1fr .9fr}
.topic-note{display:grid;grid-template-columns:.82fr 1.18fr;gap:60px}.topic-note h2{font-size:clamp(1.65rem,2.7vw,2.7rem);line-height:1.2;margin:0 0 16px}.topic-note>div>p:last-child{color:var(--muted)}.topic-links{border-top:1px solid var(--line)}.topic-links a{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.topic-links span{color:var(--muted)}.topic-links a:hover strong{color:var(--accent)}
.closing-search{display:grid;grid-template-columns:.82fr 1.18fr;gap:54px;align-items:center;padding-top:56px}.closing-search img{border-radius:20px}.closing-search h2{font-size:clamp(1.6rem,2.8vw,2.8rem);margin:0 0 12px}.closing-search p:not(.eyebrow){color:var(--muted)}.home-search,.search-page-form{margin-top:22px}.home-search label,.search-page-form label,.search-panel label,.footer-search label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.home-search>div,.search-page-form>div,.footer-search>div,.search-row{display:flex;gap:8px}.home-search input,.search-page-form input,.search-row input,.footer-search input{width:100%;background:#101012;border:1px solid var(--line);color:#fff;border-radius:12px;padding:12px 14px}.home-search button,.search-page-form button,.search-row button,.footer-search button{border:0;background:var(--brand);color:#fff;font-weight:800;border-radius:12px;padding:10px 16px;min-width:max-content}
.page-hero{width:min(calc(100% - 48px),var(--max));margin:36px auto 0;padding:54px 0 74px;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;border-bottom:1px solid var(--line)}.page-hero.narrow{grid-template-columns:1.12fr .88fr}.page-hero h1{font-size:clamp(2.4rem,4.6vw,4.9rem)}.page-hero img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:26px;border:1px solid var(--line);box-shadow:var(--shadow)}
.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:64px;align-items:start}.prose-block{max-width:var(--reading)}.prose-block h2{margin-top:34px}.prose-block h2:first-child{margin-top:0}.prose-block p{color:#cbc6c8}.prose-block a{color:#ffd29a;text-decoration:underline;text-underline-offset:3px}.prose-block code{background:#0f0f10;border:1px solid var(--line);padding:2px 6px;border-radius:6px;color:#f0c592}.side-note{position:sticky;top:106px;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px}.side-note strong{display:block;font-size:1.05rem}.side-note p{color:var(--muted);font-size:.92rem}.side-note a{color:#ffd29a;font-weight:700}
.numbered-list{border-top:1px solid var(--line)}.numbered-list article{display:grid;grid-template-columns:80px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}.numbered-list span{font-size:1.6rem;color:var(--copper);font-weight:800}.numbered-list h3{font-size:1.3rem;margin:0 0 8px}.numbered-list p{color:var(--muted);margin:0}.numbered-list.soft article{padding:30px 20px}.numbered-list.soft article:nth-child(odd){background:rgba(255,255,255,.02)}
.link-stack{display:grid;margin-top:28px;border-top:1px solid var(--line)}.link-stack a{display:grid;gap:3px;padding:15px 0;border-bottom:1px solid var(--line)}.link-stack span{color:var(--muted);font-size:.9rem}.link-stack a:hover strong{color:var(--accent)}
.editorial-steps{padding-top:62px}.step-columns{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}.step-columns article{background:var(--panel);padding:30px}.step-columns span{color:var(--copper);font-weight:800}.step-columns h3{font-size:1.22rem;margin:14px 0 8px}.step-columns p{margin:0;color:var(--muted)}
.scenario-list{padding-top:54px}.scenario-list article{display:grid;grid-template-columns:120px 1fr;gap:30px;padding:38px 0;border-bottom:1px solid var(--line)}.scenario-number{font-size:2.8rem;color:rgba(229,154,58,.7);font-weight:900;line-height:1}.scenario-list ul{margin:12px 0 0;padding-left:22px;color:#c8c3c5}.scenario-list li+li{margin-top:8px}
.comparison-note{display:grid;grid-template-columns:.74fr 1.26fr;gap:60px;align-items:start}.comparison-links{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.comparison-links a{min-height:130px;padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:6px}.comparison-links span{color:var(--muted);font-size:.9rem}.comparison-links a:hover{background:var(--panel)}
.identify-list{padding-top:50px}.identify-list article{display:grid;grid-template-columns:60px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);max-width:960px}.identify-list span{color:var(--copper);font-weight:800}.identify-list h2{font-size:1.5rem}.identify-list p{margin:0;color:var(--muted)}
.faq-list{max-width:960px}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;list-style:none;font-weight:800;font-size:1.08rem;padding:22px 46px 22px 0;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";position:absolute;right:8px;top:18px;font-size:1.6rem;color:var(--accent)}.faq-list details[open] summary::after{content:"–"}.faq-list details div{padding:0 60px 22px 0;color:var(--muted)}
.principle-list,.policy-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}.principle-list article,.policy-list article{background:var(--panel);padding:30px}.principle-list h2,.policy-list h2{font-size:1.4rem}.principle-list p,.policy-list p{color:var(--muted);margin:0}.policy-list article:last-child:nth-child(odd){grid-column:1/-1}
.safety-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.safety-grid article{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px}.safety-grid span{color:var(--copper);font-weight:800}.safety-grid h2{font-size:1.15rem;margin-top:28px}.safety-grid p{color:var(--muted);font-size:.9rem;margin-bottom:0}
.contact-types{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.contact-types article{padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:20px}.contact-types h2{font-size:1.35rem}.contact-types p:not(.eyebrow){color:var(--muted)}.contact-types a{color:#ffd29a;font-weight:700}
.search-page-hero{grid-template-columns:1.1fr .9fr}.search-results{padding-top:46px}.empty-state{padding:50px;background:var(--panel);border:1px solid var(--line);border-radius:22px;max-width:840px}.empty-state h2{margin-top:0}.empty-state p{color:var(--muted)}.empty-state a{color:#ffd29a}.result-list{display:grid;gap:0;border-top:1px solid var(--line);max-width:960px}.result-list article{padding:24px 0;border-bottom:1px solid var(--line)}.result-list h3{margin:0 0 8px;font-size:1.32rem}.result-list p{color:var(--muted);margin:0 0 10px}
.not-found{min-height:62vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;max-width:900px}.not-found h1{font-size:clamp(3rem,8vw,7rem);margin:0;letter-spacing:-.05em}.not-found>p:not(.eyebrow){color:var(--muted);font-size:1.1rem;max-width:650px}.not-found-links{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:20px}.not-found-links>a:not(.primary-action){color:#ffd29a;border-bottom:1px solid rgba(229,154,58,.4)}
.site-footer{margin-top:40px;background:var(--ink);border-top:1px solid var(--line)}.footer-grid{width:min(calc(100% - 48px),var(--max));margin:auto;padding:58px 0 44px;display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:44px}.site-footer h2{font-size:.95rem;margin:0 0 16px}.footer-intro h2{font-size:1.45rem}.footer-intro p{max-width:410px;color:var(--muted);font-size:.92rem}.site-footer section:not(.footer-intro){display:flex;flex-direction:column;align-items:flex-start}.site-footer section>a{color:#aaa4a7;font-size:.9rem;margin:5px 0}.site-footer section>a:hover{color:#fff}.footer-search{width:100%;margin-top:12px}.footer-search button{padding:8px 10px}.footer-search input{padding:9px 10px}.footer-base{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:.8rem}
.search-modal[hidden]{display:none !important}.search-modal{position:fixed;inset:0;z-index:2000;display:grid;place-items:center;padding:20px}.search-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(8px)}.search-panel{position:relative;width:min(620px,100%);background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow)}.search-panel h2{font-size:2rem;margin:0 0 10px}.search-panel>p:not(.eyebrow){color:var(--muted)}.search-close{position:absolute;right:18px;top:18px;border:0;background:transparent;color:#fff}.body-locked{overflow:hidden}
@media (max-width:1100px){.primary-nav{display:none;position:absolute;left:20px;right:20px;top:74px;background:#17171a;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.primary-nav a{padding:11px 12px}.menu-toggle{display:inline-flex}.home-hero{grid-template-columns:1fr;min-height:0}.hero-media{min-height:420px}.hero-media::after{background:linear-gradient(0deg,rgba(18,18,20,.96),transparent 70%)}.hero-panel{padding:0 42px 46px;margin-top:-100px}.route-index{grid-template-columns:1fr}.route-index a{border-right:0;border-bottom:1px solid var(--line)}.route-index a:last-child{border-bottom:0}.safety-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid section:last-child{grid-column:1/-1}}
@media (max-width:900px){.section-shell{width:min(calc(100% - 36px),var(--max));padding:64px 0}.page-hero{width:min(calc(100% - 36px),var(--max));grid-template-columns:1fr;padding:38px 0 56px}.page-hero img{max-height:480px}.editorial-row,.editorial-row.reverse,.split-note,.topic-note,.closing-search,.comparison-note,.reading-layout,.info-band-inner,.app-band .info-band-inner{grid-template-columns:1fr}.editorial-row.reverse .editorial-copy{order:0}.editorial-row.reverse .editorial-media{order:1}.info-band-inner{width:min(calc(100% - 36px),var(--max))}.side-note{position:static}.comparison-note{gap:28px}.safety-grid{grid-template-columns:1fr 1fr}.contact-types{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-intro{grid-column:1/-1}}
@media (max-width:640px){.header-shell{padding:0 16px;min-height:66px}.brand-copy small{display:none}.brand-lockup img{width:38px;height:38px}.search-open{display:none}.primary-nav{top:66px;left:12px;right:12px}.home-hero{width:calc(100% - 20px);margin-top:10px;border-radius:20px}.hero-media{min-height:330px}.hero-panel{padding:0 20px 30px;margin-top:-90px}.hero-panel h1,.page-hero h1{font-size:2.25rem}.hero-actions{align-items:flex-start;flex-direction:column;gap:10px}.hero-facts{grid-template-columns:1fr}.section-shell{width:calc(100% - 28px);padding:52px 0}.editorial-row{gap:24px;padding:34px 0}.check-list{grid-template-columns:1fr}.topic-links a{grid-template-columns:1fr;gap:4px}.closing-search{gap:28px}.home-search>div,.search-page-form>div,.search-row,.footer-search>div{flex-direction:column}.home-search button,.search-page-form button,.search-row button,.footer-search button{width:100%}.page-hero{width:calc(100% - 28px);gap:28px;padding-top:28px}.numbered-list article{grid-template-columns:50px 1fr;gap:12px}.step-columns{grid-template-columns:1fr}.scenario-list article{grid-template-columns:1fr;gap:10px}.scenario-number{font-size:2rem}.comparison-links{grid-template-columns:1fr}.principle-list,.policy-list{grid-template-columns:1fr}.policy-list article:last-child:nth-child(odd){grid-column:auto}.safety-grid{grid-template-columns:1fr}.identify-list article{grid-template-columns:42px 1fr;gap:10px}.info-band-inner{width:calc(100% - 28px);padding:52px 0}.footer-grid{width:calc(100% - 28px);grid-template-columns:1fr;gap:30px}.footer-intro{grid-column:auto}.footer-base{width:calc(100% - 28px);flex-direction:column;gap:4px}.search-panel{padding:28px 20px}.search-panel h2{font-size:1.6rem}}
@media (max-width:400px){.brand-copy strong{font-size:.92rem}.menu-toggle{padding:7px 10px}.hero-panel h1,.page-hero h1{font-size:2rem}.hero-lead{font-size:1rem}.section-heading h2,.split-copy h2,.prose-block h2,.comparison-note h2{font-size:1.5rem}.not-found h1{font-size:3.4rem}}