:root{--bg:#F4F6FF;--deep:#E4E8F6;--panel:#FBFBFF;--soft:#EEF0FA;--ink:#1E1A2A;--text:#2E2A3A;--muted:#5A5668;--faint:#7A7688;--coral:#E07070;--gold:#E0B050;--mint:#70C090;--sky:#70A8D8;--violet:#A080D0;--white:#FBFBFF;--border:rgba(30,26,42,.12);--accent-border:rgba(160,128,208,.48);--shadow:0 12px 28px rgba(30,26,42,.08)}
*{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}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.page-accent{position:fixed;inset:0 auto 0 0;width:6px;z-index:100;background:linear-gradient(180deg,var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80%)}.site-top{position:fixed;top:0;left:0;right:0;z-index:80}.topline,.brandbar,.ring-nav{padding-left:max(16px,calc((100% - 980px)/2));padding-right:max(16px,calc((100% - 980px)/2))}.topline{height:20px;background:var(--white);display:flex;align-items:center;justify-content:space-between;font-size:12px;border-bottom:1px solid var(--border)}.text-button,.menu-button,.close-button{background:none;border:0;cursor:pointer}.text-button{font-size:12px;padding:0 4px}.brandbar{height:54px;background:var(--white);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(160,128,208,.34)}.brand-link{display:flex;align-items:center;min-width:110px;height:44px}.brand-logo,.footer-logo{height:24px;max-width:150px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:700}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:10px;font-size:14px}.app-link{background:linear-gradient(90deg,var(--sky),var(--violet));color:var(--white)}.menu-button{border:1px solid var(--accent-border);background:var(--white)}.ring-nav{height:52px;background:var(--white);display:flex;align-items:center;justify-content:center;gap:28px;border-bottom:1px solid var(--border)}.ring{display:flex;align-items:center;gap:7px;font-size:13px;min-height:40px;padding:0 6px}.ring span{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;color:var(--ink);border:2px solid transparent}.ring.coral span{background:var(--coral)}.ring.gold span{background:var(--gold)}.ring.mint span{background:var(--mint)}.ring.sky span{background:var(--sky)}.ring.violet span{background:var(--violet)}.ring.is-current span{border-color:var(--ink)}.site-main{padding-top:126px;min-height:70vh}.wrap{width:min(980px,calc(100% - 32px));margin:0 auto}.page-hero{padding:36px 0 26px}.page-hero h1,.home-intro h1{font-size:24px;line-height:1.3;color:var(--ink);margin:10px 0 12px}.eyebrow{font-size:13px;color:var(--violet);font-weight:700;letter-spacing:.08em}.lead{font-size:16px;max-width:760px;color:var(--muted)}h2{font-size:20px;line-height:1.35;color:var(--ink);margin:0 0 12px}h3{font-size:16px;line-height:1.4;color:var(--ink);margin:0 0 8px}p{margin:0 0 14px}.section{padding:28px 0}.section+.section{border-top:1px solid var(--border)}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:22px;box-shadow:var(--shadow)}.soft-panel{background:var(--soft);border:1px solid var(--border);border-radius:10px;padding:18px}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{height:42px;min-width:110px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}.btn.primary{background:linear-gradient(90deg,var(--sky),var(--violet));color:var(--white)}.btn.secondary{background:var(--white);border:1px solid var(--violet);color:var(--ink)}.btn:hover,.app-link:hover{filter:brightness(.98);transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(112,168,216,.45);outline-offset:2px}.home-intro{padding:34px 0 24px}.mini-index{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.mini-index a{font-size:13px;background:var(--panel);border:1px solid var(--border);padding:7px 11px;border-radius:999px}.slash-feature{position:relative;min-height:176px;background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;padding:24px 42% 24px 22px}.slash-media{position:absolute;right:0;top:0;width:42%;height:176px;clip-path:polygon(20% 0,100% 0,100% 100%,0 100%);background:var(--white);display:grid;place-items:center;padding:10px}.slash-media img{width:100%;height:100%;object-fit:contain}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:4px;bottom:4px;width:2px;background:linear-gradient(var(--coral),var(--gold),var(--mint),var(--sky),var(--violet))}.timeline-item{position:relative;margin:0 0 18px;padding:18px;background:var(--panel);border:1px solid var(--border);border-radius:10px}.timeline-item:before{content:"";position:absolute;left:-26px;top:24px;width:10px;height:10px;border-radius:50%;background:var(--violet);border:3px solid var(--bg)}.timeline-item img{width:100%;max-height:220px;object-fit:contain;background:var(--white);border-radius:8px;margin-bottom:12px}.ring-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.ring-card{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:50px 12px 12px 12px;padding:24px}.ring-card:before{content:"";position:absolute;left:14px;top:14px;width:24px;height:24px;border-radius:50%;border:5px solid var(--mint)}.ring-card>div{padding-left:28px}.ring-card img{width:100%;max-height:220px;object-fit:contain;background:var(--white);border-radius:8px;margin:10px 0}.two-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.info-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}.media-slot{background:var(--white);border:1px solid var(--border);border-radius:10px;display:grid;place-items:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.banner{height:200px}.media-slot.app{height:320px;max-width:560px;margin:0 auto 18px}.media-slot.medium{height:240px}.period-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.period{background:var(--panel);border:1px solid var(--border);border-top:4px solid var(--gold);border-radius:10px;padding:18px}.status-list{display:grid;gap:12px}.status-item{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;display:grid;grid-template-columns:110px 1fr;gap:14px}.status-pill{display:inline-flex;min-height:36px;align-items:center;justify-content:center;border-radius:999px;background:var(--soft);border:1px solid var(--accent-border);font-size:13px}.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.check-item{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}.method-grid{display:grid;gap:14px}.method-item{display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:start;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}.method-num{font-size:24px;color:var(--violet);font-weight:700}.topic-list{display:grid;gap:12px}.topic-item{background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--sky);border-radius:8px;padding:18px}.center-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:780px;margin:0 auto}.center-card{text-align:center;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:24px}.terms section{padding:18px 0;border-bottom:1px solid var(--border)}.terms section:last-child{border-bottom:0}.faq-list{display:grid;gap:14px}.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}.faq-item h2{font-size:17px}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.contact-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}.home-faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.home-faq article{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}.site-footer{margin-top:40px;background:var(--ink);color:var(--bg);font-size:13px}.footer-inner{width:min(980px,calc(100% - 32px));margin:0 auto;padding:32px 0 78px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-brand>div:last-child{display:flex;flex-direction:column}.footer-brand span{font-size:12px;color:#d8d4e2}.footer-logo{filter:brightness(0) invert(1)}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.footer-grid h2{font-size:14px;color:var(--white);margin-bottom:8px}.footer-grid a{display:block;color:#eceaf3;padding:4px 0}.footer-note{margin-top:24px;color:#d8d4e2}.copyright{color:#bcb7c9;margin-bottom:0}.overlay{position:fixed;inset:0;background:rgba(30,26,42,.35);z-index:89;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.mega-menu{position:fixed;left:0;right:0;top:0;z-index:95;background:var(--white);height:28vh;min-height:250px;max-height:420px;padding:18px max(16px,calc((100% - 980px)/2));transform:translateY(-105%);visibility:hidden;pointer-events:none;transition:transform .2s ease}.mega-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.mega-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.mega-brand{display:flex;align-items:center;gap:10px}.close-button{min-height:40px;padding:0 12px;border:1px solid var(--border);border-radius:8px;background:var(--white)}.mega-grid{display:grid;grid-template-columns:1.15fr 1.15fr .8fr 1.4fr;gap:16px;overflow:auto;max-height:calc(28vh - 76px)}.mega-grid h2{font-size:13px;color:var(--violet);margin-bottom:6px}.mega-grid a{display:block;padding:5px 0}.mega-grid a b{display:block;font-size:13px}.mega-grid a span{display:block;font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-layer{position:fixed;z-index:94;left:0;right:0;top:74px;padding:0 max(16px,calc((100% - 980px)/2));visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.18s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.search-card{background:var(--white);border:1px solid var(--border);border-radius:0 0 12px 12px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between}.search-card input{width:100%;height:44px;border:1px solid var(--border);border-radius:10px;padding:0 12px;background:var(--bg);color:var(--ink)}.search-presets{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.search-presets a{padding:8px 12px;border:1px solid var(--border);border-radius:999px;background:var(--panel)}.search-empty{margin-top:12px;color:var(--faint)}.layer-open{overflow:hidden}.mobile-bottom{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hero-note{display:flex;gap:10px;flex-wrap:wrap}.hero-note span{font-size:12px;color:var(--muted);background:var(--soft);border-radius:999px;padding:5px 10px}.single-column{max-width:760px;margin:0 auto}.feature-stack{display:grid;gap:16px}.feature-block{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}.app-icon-row{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:12px}.app-icon-row img{width:48px;height:48px;object-fit:contain}.brand-picture{max-width:520px;margin:0 auto 18px}.brand-picture img{width:100%;max-height:260px;object-fit:contain}.note-strip{border-left:4px solid var(--violet);padding:12px 16px;background:var(--soft);border-radius:0 8px 8px 0}
@media(max-width:760px){.ring-nav{display:none}.site-main{padding-top:74px;padding-bottom:58px}.topline,.brandbar{padding-left:16px;padding-right:16px}.brand-actions{gap:4px}.app-link,.menu-button{padding:0 10px}.slash-feature{padding:18px;display:flex;flex-direction:column-reverse;gap:14px}.slash-media{position:static;width:100%;height:176px;clip-path:polygon(0 12%,100% 0,100% 88%,0 100%)}.ring-cards,.two-cards,.period-row,.checklist,.center-cards,.contact-grid,.home-faq,.footer-grid{grid-template-columns:1fr}.status-item,.method-item{grid-template-columns:1fr}.mega-menu{height:68vh;max-height:none}.mega-grid{grid-template-columns:1fr 1fr;max-height:calc(68vh - 76px)}.search-layer{top:0;bottom:0;padding:0;background:var(--ink)}.search-card{min-height:100%;border-radius:0;background:var(--ink);color:var(--bg);border:0;padding:22px 16px}.search-card strong,.search-card p{color:var(--bg)}.search-card .close-button{background:transparent;color:var(--bg);border-color:rgba(255,255,255,.25)}.search-card input{background:#2a2538;border-color:rgba(255,255,255,.18);color:var(--bg)}.search-presets a{background:#2a2538;border-color:rgba(255,255,255,.18);color:var(--bg)}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:85;background:var(--white);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{height:48px;display:grid;place-items:center;font-size:13px}.mobile-bottom a.is-current{background:var(--violet);color:var(--white)}.footer-inner{padding-bottom:92px}.media-slot.banner{height:200px}.media-slot.app{height:300px}}