:root{--bg:#F7F4FF;--white:#fff;--soft:#EEF2FF;--title:#1B1340;--text:#2F2A4A;--muted:#5B5678;--light:#8B86A3;--purple:#7C3AED;--violet:#A78BFA;--teal:#14B8A6;--coral:#F97316;--pink:#E11D48;--amber:#F59E0B;--indigo:#312E81;--border:rgba(124,58,237,.14);--shadow:0 16px 40px rgba(49,46,129,.10)}
*{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","Microsoft YaHei",sans-serif;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}img{display:block;max-width:100%;height:auto}main{padding-top:98px}.wrap{width:min(1200px,calc(100% - 32px));margin:auto}.section{padding:38px 0}.eyebrow{font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--purple);font-weight:800}.page-hero{padding:42px 0 16px}.page-hero h1,.dock h1{font-size:clamp(2.15rem,6vw,4.7rem);line-height:1.06;margin:.3rem 0 1rem;color:var(--title);letter-spacing:-.04em}.page-hero p,.lead{max-width:780px;font-size:1.06rem;color:var(--muted)}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{min-height:44px;padding:11px 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;border:1px solid var(--border)}.btn.primary{background:linear-gradient(135deg,#A78BFA 0%,#7C3AED 50%,#14B8A6 100%);color:#fff;border:none}.btn.ghost{background:#fff;color:var(--title)}.btn:hover,.btn:focus-visible,.nav-pill:hover,.nav-pill:focus-visible,a:focus-visible{outline:3px solid rgba(124,58,237,.22);outline-offset:3px}.brand-shell{position:fixed;inset:14px 0 auto;z-index:60;pointer-events:none}.desktop-bar,.mobile-bar{pointer-events:auto}.desktop-bar{width:min(1080px,calc(100% - 32px));height:64px;margin:auto;padding:7px 9px;display:grid;grid-template-columns:44px 1fr auto 1fr 44px;align-items:center;gap:9px;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:999px;box-shadow:var(--shadow)}.round-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--title);cursor:pointer;font-weight:900}.nav-pack{display:flex;gap:6px}.nav-left{justify-content:flex-end}.nav-right{justify-content:flex-start}.nav-pill{min-height:40px;display:flex;align-items:center;padding:0 13px;border:1px solid transparent;border-radius:999px;font-size:.88rem;font-weight:700;color:var(--muted);white-space:nowrap}.nav-pill.is-current{border-color:var(--purple);color:var(--purple);background:#fbfaff}.brand-mark{height:46px;min-width:86px;display:flex;align-items:center;justify-content:center;font-weight:900;color:var(--title)}.brand-mark img{max-height:38px;max-width:94px;object-fit:contain}.mobile-bar{display:none}.dock{padding:24px 0 54px}.dock-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}.media-slot{min-height:320px;border-radius:28px;background:linear-gradient(145deg,#fff,#eee8ff);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow)}.media-slot img{width:100%;height:100%;object-fit:cover}.tag-track{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.tag-card,.card,.folder,.step,.policy,.faq-item,.info-row{background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:0 10px 28px rgba(49,46,129,.06)}.tag-card{padding:18px}.tag-card i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:8px}.tag-card:nth-child(4n+1) i{background:var(--purple)}.tag-card:nth-child(4n+2) i{background:var(--teal)}.tag-card:nth-child(4n+3) i{background:var(--coral)}.tag-card:nth-child(4n+4) i{background:var(--pink)}.tag-card h3{margin:0 0 6px;color:var(--title)}.tag-card p{margin:0;color:var(--muted);font-size:.92rem}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:20px}.section-head h2{font-size:clamp(1.7rem,4vw,2.8rem);line-height:1.12;margin:.2rem 0;color:var(--title)}.section-head p{max-width:620px;color:var(--muted)}.split{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card{padding:24px}.card h2,.card h3{color:var(--title);margin-top:0}.card p{color:var(--muted)}.number-layout{display:grid;grid-template-columns:240px 1fr;gap:24px}.number-menu{display:grid;gap:8px}.number-menu a{padding:14px 16px;background:#fff;border-radius:16px;border:1px solid var(--border);font-weight:800}.number-menu b{color:var(--purple);margin-right:10px}.mosaic{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.mosaic .wide{grid-row:span 2}.mosaic .card{min-height:260px;overflow:hidden}.mosaic img{border-radius:18px;margin-bottom:16px}.wall{columns:3 260px;column-gap:16px}.wall .card{break-inside:avoid;margin-bottom:16px}.folder-list{display:grid;gap:12px}.folder{padding:18px 20px;display:grid;grid-template-columns:70px 1fr auto;gap:16px;align-items:center}.folder .tab{width:58px;height:42px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-weight:900;color:var(--purple)}.folder p{margin:4px 0 0;color:var(--muted)}.rank-list{display:grid;gap:12px}.rank{display:grid;grid-template-columns:110px 1fr;align-items:center;background:#fff;border-radius:24px;padding:20px;border:1px solid var(--border)}.rank strong{font-size:3.6rem;line-height:1;color:var(--purple)}.rank:nth-child(2) strong{color:var(--teal)}.rank:nth-child(3) strong{color:var(--coral)}.rank:nth-child(4) strong{color:var(--pink)}.rank:nth-child(5) strong{color:var(--amber)}.timeline{position:relative;padding-left:32px}.timeline:before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--purple),var(--teal))}.node{position:relative;padding:0 0 26px}.node:before{content:"";position:absolute;left:-29px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--purple);box-shadow:0 0 0 5px #eee8ff}.node h3{margin:0;color:var(--title)}.status{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--soft);font-size:.78rem;color:var(--indigo);font-weight:800}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.step{padding:22px}.step b{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--soft);color:var(--purple);font-size:1.2rem}.prose{background:#fff;border:1px solid var(--border);border-radius:28px;padding:clamp(22px,4vw,44px);box-shadow:var(--shadow)}.prose h2{color:var(--title);margin-top:1.8em}.prose h2:first-child{margin-top:0}.prose p{margin:1em 0}.policy-list,.faq-list{display:grid;gap:14px}.policy,.faq-item{padding:22px}.policy h2,.faq-item h2,.faq-item h3{margin-top:0;color:var(--title)}.quote-note{padding:18px 20px;border-left:4px solid var(--purple);background:#f6f2ff;border-radius:0 18px 18px 0;color:var(--muted)}.app-showcase{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:center}.site-footer{margin-top:48px;background:#1B1340;color:#F4F0FF;padding:46px 0 110px}.footer-inner{width:min(1200px,calc(100% - 32px));margin:auto}.footer-brand{display:flex;gap:14px;align-items:center;margin-bottom:28px}.footer-brand img{max-width:90px;max-height:48px;object-fit:contain}.footer-brand div{display:grid}.footer-brand span{opacity:.7}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid h3{margin:0 0 12px}.footer-grid a{display:block;color:#dcd6f6;padding:5px 0}.footer-note,.copyright{color:#bdb5d6;max-width:860px}.overlay{position:fixed;inset:0;background:rgba(27,19,64,.28);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;left:50%;bottom:0;z-index:80;width:min(720px,100%);max-height:78vh;overflow:auto;background:#fff;border:1px solid var(--border);border-radius:28px 28px 0 0;box-shadow:0 -24px 70px rgba(27,19,64,.20);transform:translate(-50%,105%);visibility:hidden;pointer-events:none;transition:.25s}.drawer.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);padding:16px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.drawer-title{display:flex;align-items:center;gap:10px}.drawer-title img{max-width:72px;max-height:38px}.drawer-groups{padding:14px 18px 26px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.drawer-groups h3{color:var(--title);margin:8px 0}.drawer-groups a{display:block;padding:9px 0}.drawer-groups b{display:block;color:var(--title)}.drawer-groups span{display:block;color:var(--muted);font-size:.84rem}.search-layer{position:fixed;z-index:85;left:50%;top:88px;width:min(760px,calc(100% - 32px));transform:translateX(-50%) translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.search-card{background:#fff;border:1px solid var(--border);border-radius:26px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;color:var(--title)}.search-appearance{margin:16px 0;display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--border);border-radius:16px;background:var(--bg)}.search-appearance input{border:0;outline:0;background:transparent;flex:1;color:var(--muted)}.preset-links{display:flex;flex-wrap:wrap;gap:8px}.preset-links a{padding:9px 13px;border-radius:999px;background:var(--soft);color:var(--indigo);font-weight:700}.layer-open{overflow:hidden}.mobile-island{display:none}
@media(max-width:920px){.desktop-bar{display:none}.mobile-bar{display:grid;grid-template-columns:44px 1fr auto;align-items:center;width:calc(100% - 24px);height:58px;margin:auto;padding:7px;background:rgba(255,255,255,.9);border:1px solid var(--border);border-radius:999px;box-shadow:var(--shadow)}.mobile-logo{justify-self:center;max-width:100px}.mobile-logo img{max-height:36px;object-fit:contain}.mobile-app{min-height:40px;padding:0 14px;border-radius:999px;background:var(--purple);color:#fff;display:flex;align-items:center;font-weight:800}.dock-grid,.number-layout,.app-showcase{grid-template-columns:1fr}.tag-track{grid-template-columns:repeat(2,1fr)}.mosaic{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}main{padding-top:86px}.mobile-island{display:grid;position:fixed;z-index:55;left:14px;right:14px;bottom:max(12px,env(safe-area-inset-bottom));height:52px;padding:5px 8px;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow)}.mobile-island a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.74rem;color:var(--muted)}.mobile-island i{width:5px;height:5px;border-radius:50%;background:transparent;margin-bottom:2px}.mobile-island a.is-current{color:var(--purple);font-weight:800}.mobile-island a.is-current i{background:var(--purple)}.search-open{display:none}.site-footer{padding-bottom:110px}}
@media(max-width:640px){.wrap,.footer-inner{width:calc(100% - 32px)}.section{padding:28px 0}.dock{padding-top:12px}.dock-grid{gap:22px}.media-slot{min-height:240px}.tag-track,.split,.mosaic,.steps,.footer-grid,.drawer-groups{grid-template-columns:1fr}.folder{grid-template-columns:58px 1fr}.folder>a{grid-column:2}.rank{grid-template-columns:76px 1fr}.rank strong{font-size:2.8rem}.wall{columns:1}.search-layer{inset:0;width:100%;transform:none;background:var(--bg);padding:14px}.search-layer.is-open{transform:none}.search-card{min-height:100%;border-radius:24px}.drawer{border-radius:24px 24px 0 0}.page-hero{padding-top:28px}}