:root{--bg:#2B2C30;--deep:#1A1B1E;--panel:#34363C;--panel2:#3E4046;--title:#F2F2F4;--text:#D8D8DC;--muted:#A8A8B0;--subtle:#888890;--gold:#D4B06A;--blue:#7A92B0;--border:rgba(242,242,244,.12);--focus:rgba(212,176,106,.48);--shadow:0 12px 28px rgba(0,0,0,.28);--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{font:inherit}img{max-width:100%;display:block}.site-accent{position:fixed;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--gold),var(--blue));z-index:1200}.site-head{position:fixed;inset:0 0 auto 0;z-index:1000}.head-wrap{max-width:var(--max);margin:0 auto;padding:0 16px}.top-strip{height:20px;background:var(--deep);font-size:12px;color:var(--muted)}.top-strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-trigger{border:0;background:transparent;color:var(--text);padding:0 2px;cursor:pointer}.brand-row{height:54px;background:var(--panel);border-bottom:1px solid rgba(212,176,106,.48)}.brand-row-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand-link{min-height:44px;display:flex;align-items:center}.brand-logo,.menu-logo,.footer-logo{height:24px;width:auto;object-fit:contain;object-position:center}.brand-text{font-size:16px;font-weight:800;letter-spacing:.04em}.brand-actions{display:flex;align-items:center;gap:8px}.head-app,.menu-trigger,.close-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--focus);border-radius:7px;padding:0 14px;background:var(--deep);color:var(--title);cursor:pointer}.menu-trigger{background:transparent}.quick-grid{height:46px;background:var(--deep);border-bottom:1px solid var(--border)}.quick-grid-inner{height:46px;display:flex;justify-content:center;gap:42px}.quick-item{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;min-height:44px}.quick-box{width:36px;height:36px;border:1px solid var(--border);border-radius:6px;display:grid;place-items:center;color:var(--title);font-weight:800}.quick-item.is-current .quick-box{border:2px solid var(--gold);color:var(--gold)}.main-content{padding-top:140px;min-height:60vh}.page-wrap{max-width:var(--max);margin:0 auto;padding:32px 16px 64px}.hero-plain{padding:18px 0 30px;border-bottom:1px solid var(--border)}.hero-plain h1,.page-title h1{font-size:24px;line-height:1.3;margin:12px 0;color:var(--title)}.eyebrow{font-size:12px;color:var(--gold);letter-spacing:.12em}.lead{font-size:15px;color:var(--text);max-width:760px}.tagline{font-size:20px;color:var(--title);margin:10px 0}.primary-btn,.secondary-btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:7px;font-size:14px;margin-top:14px}.primary-btn{background:linear-gradient(135deg,var(--blue),var(--gold));color:var(--deep);font-weight:800}.secondary-btn{background:var(--panel);border:1px solid var(--gold);color:var(--title)}.primary-btn:hover,.secondary-btn:hover,.head-app:hover,.menu-trigger:hover,.close-btn:hover{filter:brightness(1.08)}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.home-index{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.home-index a{min-height:44px;display:inline-flex;align-items:center;padding:0 12px;border:1px solid var(--border);border-radius:7px;background:var(--panel)}.section{padding:34px 0;border-bottom:1px solid var(--border)}.section h2{font-size:20px;margin:0 0 14px;color:var(--title)}.section h3{font-size:16px;margin:0 0 8px;color:var(--title)}.section p{margin:0 0 12px}.muted{color:var(--muted)}.media-slot{min-height:140px;background:var(--panel);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.vertical-media{height:200px;max-width:280px}.wide-media{height:200px}.app-media{height:320px}.icon-slot{width:58px;height:58px;min-height:58px}.icon-slot img{width:48px;height:48px;object-fit:contain}.split-vertical{display:grid;grid-template-columns:minmax(180px,280px) 1fr;gap:24px;align-items:stretch}.list-rows{display:grid;gap:12px}.list-row{display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:start;padding:16px;background:var(--panel);border:1px solid var(--border);border-radius:8px}.list-no{width:42px;height:42px;border-radius:6px;background:var(--gold);color:var(--deep);display:grid;place-items:center;font-weight:900}.list-row.with-image{grid-template-columns:180px 1fr}.list-row.with-image .media-slot{height:130px;min-height:130px}.grid-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card{background:var(--panel);border:1px solid var(--border);border-radius:9px;padding:18px;box-shadow:var(--shadow)}.card .media-slot{height:180px;margin-bottom:14px}.shelf-head{margin-bottom:16px}.shelf-head .media-slot{height:200px}.period-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.period-item{background:var(--panel2);border-left:3px solid var(--gold);padding:16px;border-radius:6px}.status-list{display:grid;gap:10px}.status-item{display:grid;grid-template-columns:90px 1fr;gap:14px;align-items:center;background:var(--panel);padding:14px;border-radius:8px;border:1px solid var(--border)}.status-badge{display:inline-flex;min-height:34px;align-items:center;justify-content:center;border-radius:6px;background:var(--deep);color:var(--gold);font-size:13px}.app-split{display:grid;grid-template-columns:minmax(180px,260px) 1fr;gap:28px;align-items:center}.app-visual{display:grid;justify-items:center;gap:12px}.tips-list{display:grid;gap:10px}.tips-list div{padding:14px 16px;background:var(--panel);border-left:2px solid var(--blue);border-radius:6px}.faq-mini{display:grid;gap:10px}.faq-mini details{background:var(--panel);border:1px solid var(--border);border-radius:7px;padding:14px}.faq-mini summary{cursor:pointer;color:var(--title);font-weight:700}.page-title{margin-bottom:22px}.page-layout-lines{display:grid;gap:12px}.note-line{padding:15px 16px;background:var(--panel);border:1px solid var(--border);border-radius:7px}.note-line strong{display:block;color:var(--gold);margin-bottom:4px}.cut-layout{display:grid;grid-template-columns:240px 1fr;gap:24px}.cut-rail{background:linear-gradient(180deg,var(--panel2),var(--deep));border:1px solid var(--border);border-radius:8px;padding:16px}.cut-rail .media-slot{height:200px}.cut-copy{display:grid;gap:14px}.cut-copy article{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:18px}.tile-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.tile-layout article{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}.single-flow{display:grid;gap:16px}.single-flow article{padding:20px;background:var(--panel);border-left:3px solid var(--gold);border-radius:8px}.timeline{display:grid;gap:16px}.timeline article{position:relative;padding:18px 18px 18px 28px;background:var(--panel);border:1px solid var(--border);border-radius:8px}.timeline article:before{content:"";position:absolute;left:11px;top:22px;width:8px;height:8px;border-radius:50%;background:var(--gold)}.checklist{display:grid;gap:10px}.checklist article{padding:16px 16px 16px 48px;background:var(--panel);border:1px solid var(--border);border-radius:8px;position:relative}.checklist article:before{content:"✓";position:absolute;left:18px;top:16px;color:var(--gold);font-weight:900}.method-grid{display:grid;gap:18px}.method-grid article{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:18px;background:var(--panel);border-radius:8px}.method-grid h2{font-size:18px}.topic-list{display:grid;gap:14px}.topic-list article{padding:18px;background:var(--panel);border-top:2px solid var(--blue);border-radius:8px}.center-cards{display:grid;gap:18px;max-width:720px;margin:0 auto}.center-cards article{text-align:center;padding:22px;background:var(--panel);border:1px solid var(--border);border-radius:10px}.terms{display:grid;gap:16px}.terms section{padding:18px;background:var(--panel);border:1px solid var(--border);border-radius:8px}.faq-full{display:grid;gap:12px}.faq-full article{padding:18px;background:var(--panel);border:1px solid var(--border);border-radius:8px}.faq-full h2{font-size:16px}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.about-banner{height:200px;margin-bottom:20px}.brand-statement{display:grid;gap:16px}.brand-statement article{padding:18px;background:var(--panel);border-radius:8px;border:1px solid var(--border)}.site-footer{background:var(--deep);border-top:1px solid rgba(212,176,106,.48);font-size:13px;color:var(--text);padding:34px 16px 76px}.footer-wrap{max-width:var(--max);margin:0 auto}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand strong{display:block;color:var(--title);font-size:16px}.footer-brand span{display:block;color:var(--muted);font-size:11px}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-groups h3{font-size:13px;color:var(--gold);margin:0 0 8px}.footer-groups a{display:block;color:var(--muted);min-height:30px}.footer-note{margin-top:22px;color:var(--muted);max-width:760px}.copyright{color:var(--subtle)}.page-mask{position:fixed;inset:0;background:rgba(0,0,0,.58);z-index:1080;opacity:0;pointer-events:none}.page-mask.is-active{opacity:1;pointer-events:auto}.menu-panel{position:fixed;left:18px;bottom:64px;width:280px;max-height:400px;background:var(--deep);border:1px solid var(--focus);border-radius:10px;z-index:1100;box-shadow:var(--shadow);transform:translateY(24px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.menu-panel.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 12px;border-bottom:1px solid var(--border)}.menu-brand{display:flex;align-items:center;gap:8px}.menu-scroll{max-height:340px;overflow:auto;padding:10px}.menu-scroll section{margin-bottom:14px}.menu-scroll h3{font-size:12px;color:var(--gold);margin:0 0 6px}.menu-scroll a{display:block;padding:8px;border-radius:6px}.menu-scroll a:hover{background:var(--panel)}.menu-scroll b{display:block;font-size:14px;color:var(--title)}.menu-scroll span{display:block;font-size:12px;color:var(--muted);line-height:1.5}.search-panel{position:fixed;left:0;right:0;top:74px;z-index:1090;visibility:hidden;pointer-events:none;opacity:0}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{max-width:720px;margin:0 auto;background:var(--panel);border:1px solid var(--focus);border-radius:0 0 10px 10px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head h2{font-size:18px;margin:0}.search-presets{display:flex;flex-wrap:wrap;gap:8px}.search-presets a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;background:var(--deep);border:1px solid var(--border);border-radius:7px}.mobile-bottom{display:none}
@media(max-width:720px){body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.main-content{padding-top:74px}.quick-grid{display:none}.page-wrap{padding:24px 16px 44px}.split-vertical,.app-split,.cut-layout,.method-grid article{grid-template-columns:1fr}.vertical-media{max-width:none}.list-row.with-image{grid-template-columns:1fr}.grid-cards,.tile-layout,.contact-grid{grid-template-columns:1fr}.period-grid{grid-template-columns:1fr}.footer-groups{grid-template-columns:repeat(2,1fr)}.menu-panel{left:6%;bottom:64px;width:88%;max-height:400px}.search-panel{top:0;bottom:0;background:var(--deep)}.search-card{height:100%;max-width:none;border-radius:0;border:0;background:var(--deep);padding:28px 16px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--deep);border-top:1px solid var(--border);z-index:1060;display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:grid;place-items:center;font-size:13px}.mobile-bottom a.is-current{background:var(--gold);color:var(--deep);font-weight:800}.site-footer{padding-bottom:90px}.brand-actions{gap:6px}.head-app,.menu-trigger{padding:0 10px}.footer-groups a{min-height:34px}}