:root{
  --bg:#2B2C30;--deep:#1A1B1E;--surface:#34363C;--surface2:#3E4046;
  --title:#F2F2F4;--text:#D8D8DC;--muted:#A8A8B0;--faint:#888890;
  --gold:#D4B06A;--blue:#7A92B0;--line:rgba(242,242,244,.12);--key:rgba(212,176,106,.48);
  --shadow:0 12px 28px rgba(0,0,0,.28);--radius:8px;--max:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.is-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.site-topline{position:fixed;z-index:70;top:0;left:0;right:0;height:20px;background:var(--deep);font-size:12px;color:var(--muted);border-bottom:1px solid var(--line)}
.topline-inner{height:20px;display:flex;align-items:center;justify-content:space-between}
.text-button,.menu-button,.icon-button{background:none;border:0;cursor:pointer}
.text-button{font-size:12px;color:var(--title);padding:0 4px}
.site-header{position:fixed;z-index:69;top:20px;left:0;right:0;height:54px;background:var(--surface);border-bottom:1px solid var(--key)}
.header-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand-link{display:inline-flex;align-items:center;min-height:44px}
.brand-logo{height:24px;width:auto;object-fit:contain;object-position:center}
.brand-text{font-size:16px;font-weight:700;color:var(--title);letter-spacing:.03em}
.header-actions{display:flex;align-items:center;gap:8px;white-space:nowrap}
.header-app,.menu-button{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:7px}
.header-app{border:1px solid var(--key);color:var(--title)}
.menu-button{border:1px solid var(--line);background:var(--deep)}
.quick-grid{position:fixed;z-index:68;top:74px;left:0;right:0;height:46px;background:var(--deep);border-bottom:1px solid var(--line)}
.quick-grid-inner{height:46px;display:flex;align-items:center;justify-content:center;gap:34px}
.quick-item{height:46px;min-width:58px;display:grid;grid-template-columns:36px auto;align-items:center;gap:7px;color:var(--muted);font-size:13px}
.quick-square{width:36px;height:36px;border-radius:6px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text);font-size:12px;background:var(--surface)}
.quick-item.is-current .quick-square{border:2px solid var(--gold);color:var(--gold)}
.quick-item:hover,.quick-item:focus-visible{color:var(--title)}
.site-main{padding-top:120px;min-height:70vh}
.section{padding:42px 0;border-bottom:1px solid var(--line)}
.section-compact{padding:28px 0}
h1,h2,h3{margin:0;color:var(--title);font-weight:720;letter-spacing:.01em}h1{font-size:24px;line-height:1.3}h2{font-size:20px;line-height:1.4}h3{font-size:16px;line-height:1.45}
p{margin:0 0 14px}.lead{font-size:16px;color:var(--text);max-width:760px}.eyebrow{font-size:12px;color:var(--gold);letter-spacing:.08em;margin-bottom:8px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px}.section-head p{max-width:590px;color:var(--muted);margin:0}
.hero-index{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:24px}.hero-index a{min-height:58px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px;display:flex;align-items:center;justify-content:space-between}.hero-index strong{color:var(--title)}.hero-index span{font-size:12px;color:var(--muted)}
.hero-copy{max-width:760px}.hero-copy h1{margin-bottom:12px}.hero-statement{font-size:20px;color:var(--gold);margin-bottom:12px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{height:42px;min-width:112px;padding:0 18px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--blue) 0%,var(--gold) 100%);color:var(--deep)}.btn-secondary{border:1px solid var(--gold);background:var(--surface);color:var(--title)}.btn:hover,.btn:focus-visible,.header-app:hover,.header-app:focus-visible,.menu-button:hover,.menu-button:focus-visible,.text-button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.media-slot{background:var(--surface);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:120px}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.slot-banner{height:200px}.slot-app{height:320px}.slot-compact{height:180px}
.vertical-split{display:grid;grid-template-columns:minmax(180px,280px) 1fr;gap:24px;align-items:stretch}.vertical-split .media-slot{height:200px}.vertical-copy{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px}.vertical-copy p{color:var(--muted)}
.list-rows{display:grid;gap:12px}.list-row{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:18px 0;border-top:1px solid var(--line)}.list-row:first-child{border-top:0}.list-number{width:48px;height:48px;border-radius:7px;background:var(--deep);border:1px solid var(--key);display:flex;align-items:center;justify-content:center;color:var(--gold);font-weight:700}.list-row.has-media{grid-template-columns:56px minmax(0,1fr) minmax(160px,240px)}.list-row .media-slot{height:130px}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.info-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px}.info-card .media-slot{height:160px;margin:-4px -4px 18px}.info-card p{color:var(--muted)}
.feature-stack{display:grid;gap:16px}.feature-item{padding:20px 0;border-top:1px solid var(--line)}.feature-item:first-child{border-top:0}.feature-item h3{margin-bottom:8px}.feature-item p{color:var(--muted)}
.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.period-card{background:var(--surface);border-left:3px solid var(--gold);padding:20px;border-radius:6px}.period-card h3{margin-bottom:10px}.period-card p{color:var(--muted)}
.status-list{display:grid;gap:12px}.status-row{background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:16px 18px;display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:start}.status-label{display:inline-flex;justify-content:center;align-items:center;min-height:34px;border:1px solid var(--key);border-radius:6px;color:var(--gold);font-size:13px}.status-row p{margin:0;color:var(--muted)}
.checklist{display:grid;gap:12px}.check-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px 18px 18px 48px}.check-item:before{content:"✓";position:absolute;left:18px;top:19px;color:var(--gold);font-weight:700}.check-item p{color:var(--muted);margin:6px 0 0}
.method-flow{counter-reset:method;display:grid;gap:0}.method-step{counter-increment:method;padding:20px 0 20px 72px;border-bottom:1px solid var(--line);position:relative}.method-step:before{content:counter(method,decimal-leading-zero);position:absolute;left:0;top:20px;color:var(--gold);font-size:18px;font-weight:700}.method-step p{color:var(--muted);margin-top:7px}
.topic-list{display:grid;gap:14px}.topic-item{display:grid;grid-template-columns:140px 1fr;gap:18px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px}.topic-item strong{color:var(--gold)}.topic-item p{color:var(--muted);margin:0}
.center-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.center-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:24px;text-align:center}.center-card h3{margin-bottom:10px}.center-card p{color:var(--muted)}
.app-layout{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:28px;align-items:center}.app-images{display:grid;gap:12px}.app-icon{width:48px;height:48px;border-radius:10px;overflow:hidden;background:var(--surface);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}.app-icon img{width:48px;height:48px;object-fit:contain}.app-copy p{color:var(--muted)}
.clause-list{display:grid;gap:16px}.clause{padding:20px;background:var(--surface);border-left:2px solid var(--blue);border-radius:6px}.clause h2,.clause h3{margin-bottom:8px}.clause p{color:var(--muted)}
.faq-list{display:grid;gap:12px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px}.faq-item h2{font-size:16px;margin-bottom:8px}.faq-item p{color:var(--muted);margin:0}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px}.contact-card p{color:var(--muted);margin-top:8px}.notice{padding:16px 18px;border:1px solid var(--key);background:var(--deep);border-radius:8px;color:var(--text)}
.brand-banner{margin-bottom:22px}.brand-statement{max-width:800px}.brand-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.brand-point{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px}.brand-point p{color:var(--muted)}
.site-footer{background:var(--deep);border-top:1px solid var(--gold);color:var(--text);padding:32px 0 72px;font-size:13px}.footer-brand-row{display:flex;align-items:center;gap:12px}.footer-logo{height:24px;width:auto;object-fit:contain}.footer-brand-row strong{display:block;color:var(--title)}.footer-brand-row span{display:block;color:var(--faint);font-size:12px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}.footer-links h2{font-size:13px;color:var(--gold);margin-bottom:10px}.footer-link-list{display:flex;flex-wrap:wrap;gap:7px 12px}.footer-link-list a{color:var(--muted)}.footer-link-list a:hover,.footer-link-list a:focus-visible{color:var(--title);text-decoration:underline}.footer-note{border-top:1px solid var(--line);padding-top:18px;margin-top:24px;color:var(--faint)}.footer-note p{margin:0 0 7px}
.page-overlay{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.54);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.site-menu{position:fixed;z-index:100;left:16px;bottom:18px;width:280px;max-height:400px;background:var(--surface);border:1px solid var(--key);border-radius:10px;box-shadow:var(--shadow);transform:translateY(18px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.site-menu.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.menu-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--line);background:var(--deep);border-radius:10px 10px 0 0}.menu-brand{display:flex;align-items:center;gap:9px;color:var(--title);font-weight:700}.menu-brand img{height:24px;width:auto;object-fit:contain}.icon-button{min-height:44px;padding:0 10px;color:var(--muted)}.menu-scroll{max-height:340px;overflow:auto;padding:12px}.menu-group{padding-bottom:12px}.menu-group h2{font-size:12px;color:var(--gold);margin-bottom:6px}.menu-link{display:block;padding:8px;border-radius:6px}.menu-link strong{display:block;color:var(--title);font-size:13px}.menu-link span{display:block;color:var(--faint);font-size:12px;line-height:1.45}.menu-link:hover,.menu-link:focus-visible{background:var(--deep);outline:none}
.search-panel{position:fixed;z-index:101;top:74px;left:0;right:0;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-card{width:min(calc(100% - 32px),720px);margin:12px auto 0;background:var(--surface);border:1px solid var(--key);border-radius:9px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;justify-content:space-between;gap:16px}.search-head strong{color:var(--title)}.search-head p{font-size:13px;color:var(--muted);margin:2px 0 0}.search-label{display:block;font-size:12px;color:var(--faint);margin:12px 0 5px}.search-input{width:100%;height:44px;border:1px solid var(--line);background:var(--deep);color:var(--title);border-radius:7px;padding:0 12px;outline:none}.search-input:focus{border-color:var(--gold)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{padding:9px 12px;border:1px solid var(--line);border-radius:6px;color:var(--text)}.search-presets a:hover,.search-presets a:focus-visible{border-color:var(--gold);outline:none}.search-empty{color:var(--muted);font-size:13px;margin:12px 0 0}
.mobile-bottom{display:none}
@media (max-width:720px){
  .quick-grid{display:none}.site-main{padding-top:74px}.wrap{width:min(calc(100% - 32px),var(--max))}
  .header-actions{gap:4px}.header-app,.menu-button{padding:0 10px}.section{padding:32px 0}.section-head{align-items:flex-start;flex-direction:column;gap:8px}
  .hero-index{grid-template-columns:repeat(2,1fr)}.vertical-split,.app-layout{grid-template-columns:1fr}.vertical-split .media-slot{width:min(100%,280px);height:200px}.list-row,.list-row.has-media{grid-template-columns:48px 1fr}.list-row.has-media .media-slot{grid-column:2;height:160px}.card-grid,.center-cards,.period-grid,.contact-grid,.brand-points{grid-template-columns:1fr}.topic-item{grid-template-columns:1fr}.status-row{grid-template-columns:1fr;gap:10px}.footer-links{grid-template-columns:repeat(2,1fr)}
  .site-menu{left:6%;width:88%;bottom:60px;max-height:calc(100vh - 90px)}.menu-scroll{max-height:calc(100vh - 150px)}
  .search-panel{top:0;bottom:0;background:var(--deep);display:flex;align-items:flex-start}.search-card{width:100%;height:100%;margin:0;border:0;border-radius:0;background:var(--deep);padding:24px 16px}.search-input{background:var(--surface)}
  .mobile-bottom{position:fixed;z-index:80;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:var(--deep);border-top:1px solid var(--line)}.mobile-bottom a{height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-bottom a.is-current{background:var(--gold);color:var(--deep);font-weight:700}
  .site-footer{padding-bottom:calc(80px + env(safe-area-inset-bottom))}
}
@media (max-width:420px){.footer-links{grid-template-columns:1fr}.hero-index{grid-template-columns:1fr}.header-app{font-size:13px}.brand-text{font-size:15px}}