:root{--bg:#F7F4FF;--surface:#fff;--soft:#EEF2FF;--title:#1B1340;--text:#2F2A4A;--muted:#5B5678;--faint:#8B86A3;--purple:#7C3AED;--lav:#A78BFA;--teal:#14B8A6;--coral:#F97316;--rose:#E11D48;--amber:#F59E0B;--indigo:#312E81;--line: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,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.wrap{width:min(1200px,calc(100% - 32px));margin:0 auto}.top-shell{position:fixed;top:0;left:0;right:0;z-index:50;padding:12px 16px;pointer-events:none}.brandbar{max-width:1080px;height:64px;margin:0 auto;background:rgba(255,255,255,.94);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:999px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:8px 12px;pointer-events:auto;backdrop-filter:blur(14px)}.desktop-nav{display:flex;gap:6px}.brand-right{justify-content:flex-end}.pill{min-height:44px;padding:10px 14px;border-radius:999px;font-size:14px;color:var(--muted);display:inline-flex;align-items:center;justify-content:center}.pill:hover,.pill:focus-visible,.pill.active{outline:none;border-color:var(--purple);color:var(--purple);box-shadow:inset 0 0 0 1px var(--purple)}.app-pill{background:linear-gradient(135deg,#A78BFA 0%,#7C3AED 50%,#14B8A6 100%);color:white}.brand-core{display:flex;align-items:center;gap:10px}.brandmark{min-width:88px;height:44px;display:flex;align-items:center;justify-content:center}.brandmark img{max-height:34px;max-width:104px;object-fit:contain}.brandmark strong{color:var(--indigo);font-size:18px}.circle-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:white;color:var(--indigo);cursor:pointer;font-size:20px}.circle-btn:hover,.circle-btn:focus-visible{outline:2px solid var(--lav);outline-offset:2px}.mobile-app-link{display:none}main{padding-top:100px}.hero,.section{padding:38px 0}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:14px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--teal)}h1,h2,h3{color:var(--title);line-height:1.25}h1{font-size:clamp(38px,5.8vw,72px);margin:.22em 0}h2{font-size:clamp(28px,3.5vw,44px);margin:0 0 16px}h3{font-size:20px}.lead{font-size:18px;color:var(--muted);max-width:760px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.btn{min-height:46px;padding:11px 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;background:linear-gradient(135deg,#A78BFA 0%,#7C3AED 50%,#14B8A6 100%);color:white}.btn.secondary{background:white;color:var(--indigo);border:1px solid var(--line)}.btn:hover,.btn:focus-visible{outline:3px solid rgba(124,58,237,.22);outline-offset:2px}.media-slot{min-height:300px;border-radius:28px;background:linear-gradient(135deg,#EEF2FF,#fff 60%,#F7E8F1);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain}.label-track{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic{padding:18px;background:white;border-radius:20px;border:1px solid var(--line);box-shadow:0 10px 28px rgba(49,46,129,.06)}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px}.dot.p{background:var(--purple)}.dot.t{background:var(--teal)}.dot.c{background:var(--coral)}.dot.r{background:var(--rose)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-head p{max-width:700px;color:var(--muted)}.card{background:white;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 12px 34px rgba(49,46,129,.06)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.mosaic{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.mosaic .wide{grid-row:span 2}.numbered{display:grid;grid-template-columns:260px 1fr;gap:22px}.num-menu{display:grid;gap:10px}.num-menu a{background:white;border:1px solid var(--line);border-radius:18px;padding:14px}.num-menu b{font-size:28px;color:var(--purple);margin-right:8px}.feature-row{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px;align-items:center}.color-number{font-size:64px;line-height:1;font-weight:900;color:var(--purple)}.rank-list{display:grid;gap:16px}.rank-item{display:grid;grid-template-columns:100px 1fr;gap:20px;align-items:center;background:white;border:1px solid var(--line);border-radius:22px;padding:20px}.rank-item:nth-child(2) .color-number{color:var(--teal)}.rank-item:nth-child(3) .color-number{color:var(--coral)}.rank-item:nth-child(4) .color-number{color:var(--rose)}.rank-item:nth-child(5) .color-number{color:var(--amber)}.timeline{position:relative;padding-left:32px}.timeline:before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:2px;background:var(--line)}.timeline-item{position:relative;margin:0 0 20px;background:white;border:1px solid var(--line);border-radius:20px;padding:20px}.timeline-item:before{content:"";position:absolute;left:-28px;top:26px;width:12px;height:12px;background:var(--purple);border-radius:50%;box-shadow:0 0 0 6px var(--bg)}.status{display:inline-block;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--purple);font-size:13px;font-weight:700}.folder-list{display:grid;gap:12px}.folder{background:white;border:1px solid var(--line);border-radius:18px;padding:18px 20px;display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center}.article-body{max-width:900px;margin:0 auto}.article-body p{margin:0 0 18px}.article-body .card{margin:16px 0}.quote-note{border-left:4px solid var(--purple);padding:12px 18px;background:var(--soft);border-radius:0 16px 16px 0}.site-footer{margin-top:64px;background:#1B1340;color:#F4F0FF;padding:54px 0 110px}.footer-inner{width:min(1200px,calc(100% - 32px));margin:auto}.footer-brand{display:flex;gap:14px;align-items:center;margin-bottom:24px}.footer-brand img{max-width:120px;max-height:42px}.footer-brand strong{display:block;font-size:24px}.footer-brand span{color:#cfc7ef}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h3{color:white}.footer-grid a{display:block;color:#dcd5f5;padding:4px 0}.footer-note,.copyright{color:#bdb4de}.overlay{position:fixed;inset:0;background:rgba(27,19,64,.34);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;left:50%;bottom:0;transform:translate(-50%,105%);width:min(720px,100%);max-height:78vh;overflow:auto;background:white;z-index:90;border-radius:28px 28px 0 0;box-shadow:0 -18px 55px rgba(27,19,64,.18);padding:22px;visibility:hidden;pointer-events:none;transition:.25s}.drawer.open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head,.search-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.drawer-brand{display:flex;align-items:center;gap:12px}.drawer-brand img{max-width:100px;max-height:34px}.drawer-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:18px}.drawer-groups>div{background:var(--soft);border-radius:20px;padding:15px}.drawer-groups h3{margin:0 0 8px}.drawer-groups a{display:block;background:white;border-radius:14px;padding:10px 12px;margin:7px 0}.drawer-groups span{display:block;color:var(--muted);font-size:13px}.search-panel{position:fixed;z-index:95;top:92px;left:50%;transform:translateX(-50%) scale(.98);width:min(720px,calc(100% - 32px));background:white;border-radius:24px;padding:20px;border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) scale(1)}.search-look{margin:16px 0;padding:15px 18px;border:1px solid var(--line);border-radius:16px;color:var(--faint);background:var(--bg)}.search-links{display:flex;flex-wrap:wrap;gap:10px}.search-links a{padding:9px 13px;background:var(--soft);border-radius:999px;color:var(--indigo)}.mobile-island{display:none}
@media(max-width:900px){.desktop-nav,.desktop-search{display:none}.brandbar{grid-template-columns:44px 1fr auto;height:58px;padding:6px 8px}.brand-core{display:contents}.brand-core .circle-btn{grid-column:1}.brandmark{grid-column:2;justify-self:center}.mobile-app-link{display:flex;grid-column:3;min-height:44px;align-items:center;padding:0 12px;border-radius:999px;background:var(--soft);color:var(--purple);font-weight:800}.top-shell{padding:8px 12px}main{padding-top:84px}.hero-grid,.feature-row,.numbered,.mosaic{grid-template-columns:1fr}.label-track,.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.drawer-groups{grid-template-columns:1fr}.mobile-island{position:fixed;left:16px;right:16px;bottom:calc(12px + env(safe-area-inset-bottom));height:52px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);z-index:60;display:grid;grid-template-columns:repeat(5,1fr);align-items:center;padding:4px}.mobile-island a{font-size:12px;text-align:center;color:var(--muted)}.mobile-island span{width:7px;height:7px;border-radius:50%;background:transparent;display:block;margin:0 auto 2px}.mobile-island a:hover span{background:var(--purple)}.site-footer{padding-bottom:100px}.search-panel{top:0;left:0;transform:none;width:100%;height:100%;border-radius:0;background:var(--bg)}.search-panel.open{transform:none}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.wrap{width:min(100% - 32px,1200px)}.hero,.section{padding:26px 0}h1{font-size:42px}.lead{font-size:16px}.label-track,.grid-3,.grid-2{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.rank-item{grid-template-columns:70px 1fr}.color-number{font-size:48px}.folder{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}