:root{--bg:#F7F4FF;--surface:#FFFFFF;--soft:#EEF2FF;--title:#1B1340;--text:#2F2A4A;--muted:#5B5678;--faint:#8B86A3;--purple:#7C3AED;--purple2:#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);--radius:24px}*{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;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.ui-lock{overflow:hidden}.page-shell{width:min(1200px,calc(100% - 40px));margin:0 auto;padding:112px 0 96px}.site-top{position:fixed;inset:0 0 auto;z-index:50;pointer-events:none}.brandbar{pointer-events:auto}.desktop-brandbar{height:64px;width:min(1080px,calc(100% - 40px));margin:16px auto 0;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border:1px 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var(--border);border-radius:50%;background:#fff;color:var(--title);cursor:pointer;display:grid;place-items:center}.round-action:hover,.round-action:focus-visible{outline:3px solid rgba(124,58,237,.18);border-color:var(--purple)}.mobile-brandbar{display:none}.hero-dock,.page-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;padding:34px;background:linear-gradient(145deg,#fff 0%,#F2EEFF 55%,#EDFFFB 100%);border:1px solid var(--border);border-radius:30px;box-shadow:var(--shadow)}.eyebrow{display:inline-flex;align-items:center;min-height:30px;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--purple);font-weight:800;font-size:13px;letter-spacing:.1em}.hero-dock h1,.page-hero h1{font-size:clamp(38px,6vw,76px);line-height:1.05;letter-spacing:-.045em;color:var(--title);margin:18px 0}.hero-dock p,.page-hero 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img{width:100%;height:100%;object-fit:contain;display:block}.section{margin-top:56px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.15;color:var(--title);margin:8px 0}.section-head p{max-width:680px;color:var(--muted);margin:0}.tag-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic-chip{background:#fff;border:1px solid var(--border);border-radius:20px;padding:18px;min-height:134px;box-shadow:0 8px 22px rgba(49,46,129,.05)}.topic-chip b{display:flex;gap:8px;align-items:center;color:var(--title)}.dot{width:9px;height:9px;border-radius:50%;display:inline-block}.c1{background:var(--purple)}.c2{background:var(--teal)}.c3{background:var(--coral)}.c4{background:var(--pink)}.topic-chip p{margin:8px 0 0;color:var(--muted);font-size:14px}.topic-chip a{color:var(--purple);font-weight:800}.pulse-grid{display:grid;grid-template-columns:260px 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.card{break-inside:avoid;margin-bottom:16px}.folder-list{display:grid;gap:12px}.folder-row{display:grid;grid-template-columns:56px 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:20px;padding:16px}.folder-icon{width:46px;height:38px;border-radius:10px 10px 12px 12px;background:linear-gradient(135deg,var(--purple2),var(--purple));position:relative}.folder-icon:before{content:"";position:absolute;width:20px;height:7px;top:-5px;left:5px;border-radius:5px 5px 0 0;background:var(--purple2)}.folder-row strong{color:var(--title)}.folder-row span{color:var(--faint);font-size:14px}.rank-list{display:grid;gap:12px}.rank-item{display:grid;grid-template-columns:90px 1fr;gap:20px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:24px;padding:18px}.rank-number{font-size:54px;font-weight:900;line-height:1;color:var(--purple)}.rank-item:nth-child(2) .rank-number{color:var(--teal)}.rank-item:nth-child(3) .rank-number{color:var(--coral)}.rank-item:nth-child(4) .rank-number{color:var(--pink)}.rank-item:nth-child(5) .rank-number{color:var(--amber)}.timeline{border-left:2px solid rgba(124,58,237,.2);margin-left:14px;padding-left:28px;display:grid;gap:18px}.timeline article{position:relative;background:#fff;border:1px solid var(--border);border-radius:22px;padding:20px}.timeline article:before{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--purple);left:-36px;top:28px;box-shadow:0 0 0 6px var(--bg)}.status{display:inline-flex;min-height:30px;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--purple);font-weight:800;font-size:13px}.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.content-grid.two{grid-template-columns:repeat(2,1fr)}.article-list{display:grid;gap:18px}.article-block{background:#fff;border:1px solid var(--border);border-radius:24px;padding:24px}.article-block h2,.article-block 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h2{font-size:20px;margin:0 0 8px;color:var(--title)}.site-footer{background:#1B1340;color:#F4F0FF;padding:58px 20px 90px}.footer-inner{width:min(1200px,100%);margin:auto}.footer-brand{display:grid;grid-template-columns:280px 1fr;gap:30px;align-items:start;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-logo{display:flex;align-items:center;gap:12px}.footer-logo img{max-width:90px;max-height:44px}.footer-logo strong,.footer-logo small{display:block}.footer-logo strong{font-size:22px}.footer-logo small{opacity:.68}.footer-brand p{margin:0;opacity:.82}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0}.footer-grid h2{font-size:15px;margin:0 0 10px;color:#fff}.footer-grid a{display:block;opacity:.78;padding:5px 0}.footer-grid a:hover,.footer-grid a:focus-visible{opacity:1;text-decoration:underline}.footer-bottom{display:flex;flex-wrap:wrap;gap:16px;border-top:1px solid 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80px);padding:18px}.drawer-group{margin-bottom:20px}.drawer-group h2{font-size:14px;color:var(--purple);text-transform:uppercase}.drawer-group a{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:12px;border-radius:16px}.drawer-group a:hover,.drawer-group a:focus-visible{background:var(--soft);outline:none}.drawer-group span{color:var(--muted);font-size:14px}.search-layer{position:fixed;left:50%;top:94px;transform:translateX(-50%) scale(.98);width:min(760px,calc(100% - 32px));z-index:95;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer[aria-hidden="false"]{visibility:visible;opacity:1;pointer-events:auto;transform:translateX(-50%) scale(1)}.search-card{background:#fff;border:1px solid var(--border);border-radius:28px;padding:22px;box-shadow:var(--shadow)}.search-head{display:flex;justify-content:space-between;gap:20px}.search-head h2{margin:5px 0 14px;color:var(--title)}.search-faux{min-height:52px;border:1px solid var(--border);background:var(--soft);border-radius:16px;display:flex;align-items:center;gap:10px;padding:0 16px;color:var(--faint)}.preset-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.preset-links a{min-height:44px;padding:9px 14px;border-radius:999px;border:1px solid var(--border);display:inline-flex;align-items:center;color:var(--purple);font-weight:700}.mobile-island{display:none}
@media(max-width:980px){.desktop-brandbar{display:none}.mobile-brandbar{pointer-events:auto;display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:12px;width:calc(100% - 24px);height:60px;margin:10px auto 0;padding:8px 10px;background:rgba(255,255,255,.94);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow)}.mobile-brandbar .brand-mark{justify-self:center;min-width:0}.mobile-app-link{min-height:44px;padding:8px 13px;border-radius:999px;background:var(--purple);color:#fff;display:flex;align-items:center;font-weight:800}.page-shell{width:min(100% - 32px,1200px);padding-top:92px;padding-bottom:110px}.hero-dock,.page-hero{grid-template-columns:1fr;padding:24px}.tag-rail{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:1fr 1fr}.pulse-grid{grid-template-columns:1fr}.number-nav{grid-template-columns:repeat(2,1fr)}.search-layer{top:0;left:0;transform:none;width:100%;height:100vh;background:var(--bg);padding:16px;overflow:auto}.search-layer[aria-hidden="false"]{transform:none}.search-card{margin-top:62px}.mobile-island{position:fixed;left:16px;right:16px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:60;height:52px;background:rgba(27,19,64,.95);border-radius:20px;display:grid;grid-template-columns:repeat(5,1fr);padding:5px;box-shadow:0 12px 30px rgba(27,19,64,.25)}.mobile-island a{color:#F4F0FF;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;gap:2px;border-radius:15px}.mobile-island a span{width:5px;height:5px;border-radius:50%;background:transparent}.mobile-island a.active{background:rgba(255,255,255,.1)}.mobile-island a.active span{background:#A78BFA}.site-footer{padding-bottom:calc(100px + env(safe-area-inset-bottom))}}
@media(max-width:680px){.page-shell{width:calc(100% - 32px)}.hero-dock h1,.page-hero h1{font-size:42px}.hero-dock p,.page-hero p{font-size:16px}.section{margin-top:42px}.section-head{display:block}.tag-rail,.content-grid,.content-grid.two,.index-list,.split{grid-template-columns:1fr}.mosaic{grid-template-columns:1fr;grid-template-rows:auto}.mosaic .card:first-child{grid-row:auto}.wall{columns:1}.folder-row{grid-template-columns:48px 1fr}.folder-row>a{grid-column:2}.rank-item{grid-template-columns:64px 1fr}.rank-number{font-size:44px}.number-nav{grid-template-columns:1fr 1fr}.footer-brand{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.drawer-group a{grid-template-columns:1fr;gap:2px}.step{grid-template-columns:46px 1fr}.media-slot.tall{aspect-ratio:4/3}}