:root{
  --bg:#F7F4FF;--surface:#FFFFFF;--soft:#EEF2FF;--text:#2F2A4A;--title:#1B1340;--muted:#5B5678;--faint:#8B86A3;
  --purple:#7C3AED;--purple2:#A78BFA;--teal:#14B8A6;--coral:#F97316;--magenta:#E11D48;--amber:#F59E0B;--indigo:#312E81;
  --line:rgba(124,58,237,.14);--shadow:0 16px 40px rgba(49,46,129,.10);--max:1200px;--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",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.overlay-open{overflow:hidden}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}button{color:inherit}.skip-link{position:fixed;left:16px;top:-100px;z-index:200;background:var(--title);color:#fff;padding:10px 16px;border-radius:999px}.skip-link:focus{top:12px}.site-main{min-height:60vh;padding-top:104px}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.narrow{width:min(880px,calc(100% - 40px));margin:0 auto}.site-header{position:fixed;z-index:80;inset:0 0 auto 0;pointer-events:none}.brand-bar{height:64px;width:min(1080px,calc(100% - 40px));margin:16px auto 0;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);display:grid;grid-template-columns:42px 1fr auto 1fr 42px;align-items:center;gap:10px;padding:8px;backdrop-filter:blur(18px);pointer-events:auto}.pill-group{display:flex;gap:5px;align-items:center;min-width:0}.pill-group:last-of-type{justify-content:flex-end}.nav-pill{display:inline-flex;min-height:38px;align-items:center;justify-content:center;padding:0 10px;border:1px solid transparent;border-radius:999px;color:var(--muted);font-size:13px;white-space:nowrap;transition:.2s}.nav-pill:hover,.nav-pill:focus-visible{background:var(--soft);color:var(--purple)}.nav-pill.is-current{border-color:var(--purple);color:var(--purple);background:#fff}.brand-mark{display:flex;align-items:center;justify-content:center;min-width:92px;height:42px;border-radius:999px;color:var(--title)}.brand-mark img{max-height:34px;max-width:108px}.brand-mark strong{font-size:19px;letter-spacing:-.5px}.round-control{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:50%;cursor:pointer;transition:.2s;flex:0 0 auto}.round-control:hover,.round-control:focus-visible{border-color:var(--purple);box-shadow:0 0 0 4px rgba(124,58,237,.09);outline:none}.js-drawer-open{flex-direction:column;gap:5px}.js-drawer-open>span{display:block;width:15px;height:2px;border-radius:99px;background:var(--title)}.search-icon{width:15px;height:15px;border:2px solid var(--title);border-radius:50%;position:relative;display:inline-block}.search-icon:after{content:"";position:absolute;width:6px;height:2px;background:var(--title);right:-5px;bottom:-2px;transform:rotate(45deg);border-radius:9px}.mobile-bar{display:none}.hero-kicker,.eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--purple);font-weight:800}.page-hero{padding:58px 0 36px}.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:48px;align-items:center}.page-hero h1,.dock-copy h1{margin:.16em 0 .32em;font-size:clamp(38px,6vw,72px);line-height:1.04;letter-spacing:-.045em;color:var(--title)}.page-hero p,.dock-copy p{font-size:18px;max-width:760px;color:var(--muted);margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.btn{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;font-weight:750;border:1px solid var(--line)}.btn-primary{background:linear-gradient(135deg,#A78BFA 0%,#7C3AED 50%,#14B8A6 100%);color:#fff;border:0}.btn-secondary{background:#fff;color:var(--purple)}.btn:hover,.btn:focus-visible{transform:translateY(-1px);box-shadow:0 10px 28px rgba(49,46,129,.12);outline:none}.media-slot{margin:0;aspect-ratio:16/10;border-radius:28px;overflow:hidden;background:linear-gradient(145deg,rgba(167,139,250,.30),rgba(20,184,166,.18) 45%,rgba(249,115,22,.18));border:1px solid var(--line);position:relative}.media-slot img{width:100%;height:100%;object-fit:cover}.media-slot.tall{aspect-ratio:4/5}.media-slot.square{aspect-ratio:1/1}.media-fallback{display:block;width:100%;height:100%;position:relative}.media-fallback:before,.media-fallback:after{content:"";position:absolute;border-radius:50%;filter:blur(1px)}.media-fallback:before{width:44%;height:44%;left:10%;top:16%;background:rgba(124,58,237,.20)}.media-fallback:after{width:36%;height:36%;right:9%;bottom:11%;background:rgba(20,184,166,.19)}.section{padding:64px 0}.section.alt{background:var(--soft)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}.section-head h2{margin:0;color:var(--title);font-size:clamp(28px,4vw,46px);line-height:1.15;letter-spacing:-.03em}.section-head p{margin:0;max-width:610px;color:var(--muted)}.card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.content-card{padding:24px;min-height:210px}.content-card h3{margin:8px 0 8px;color:var(--title);font-size:21px}.content-card p{margin:0;color:var(--muted)}.mini-link{display:inline-flex;margin-top:16px;color:var(--purple);font-weight:750}.color-dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px}.c1{background:var(--purple)}.c2{background:var(--teal)}.c3{background:var(--coral)}.c4{background:var(--magenta)}.tag-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.tag-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.tag-item strong{color:var(--title)}.tag-item p{font-size:14px;color:var(--muted);margin:8px 0 0}.pulse-layout{display:grid;grid-template-columns:190px 1fr;gap:28px;align-items:start}.number-menu{position:sticky;top:104px;display:grid;gap:10px}.number-menu a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--line)}.number-menu b{font-size:22px;color:var(--purple)}.prose-card{padding:32px}.prose-card h2,.prose-card h3{color:var(--title)}.prose-card p{margin:0 0 1.15em}.prose-card p:last-child{margin-bottom:0}.mosaic{display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:auto auto;gap:18px}.mosaic article{overflow:hidden}.mosaic article:first-child{grid-row:1/3}.mosaic .media-slot{border-radius:24px 24px 0 0}.mosaic-copy{padding:24px}.mosaic-copy h3{margin:0 0 8px;color:var(--title);font-size:25px}.mosaic-copy p{margin:0;color:var(--muted)}.split-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.feature-card{padding:24px}.feature-card .media-slot{margin-bottom:20px}.feature-card h3{font-size:27px;color:var(--title);margin:0 0 8px}.feature-card p{color:var(--muted);margin:0}.wall-grid{columns:3 240px;column-gap:18px}.wall-card{break-inside:avoid;margin:0 0 18px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:24px}.wall-card:nth-child(3n+1){padding-bottom:38px}.wall-card:nth-child(3n+2){padding-top:34px}.wall-card h3{margin:0 0 8px;color:var(--title)}.folder-list{display:grid;gap:12px}.folder-item{display:grid;grid-template-columns:72px 1fr auto;align-items:center;gap:18px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:20px}.folder-no{font-size:30px;font-weight:900;color:var(--purple2)}.folder-item h3{margin:0;color:var(--title)}.folder-item p{margin:3px 0 0;color:var(--muted);font-size:14px}.folder-item a{color:var(--purple);font-weight:800}.big-rank{display:grid;gap:14px}.rank-row{display:grid;grid-template-columns:110px 1fr auto;gap:22px;align-items:center;padding:20px 24px;background:#fff;border:1px solid var(--line);border-radius:24px}.rank-number{font-size:64px;font-weight:950;line-height:1;color:var(--purple)}.rank-row:nth-child(2) .rank-number{color:var(--teal)}.rank-row:nth-child(3) .rank-number{color:var(--coral)}.rank-row:nth-child(4) .rank-number{color:var(--magenta)}.rank-row:nth-child(5) .rank-number{color:var(--amber)}.rank-row h3{margin:0;color:var(--title)}.rank-row p{margin:4px 0 0;color:var(--muted)}.rank-row a{font-weight:800;color:var(--purple)}.timeline{position:relative;padding-left:38px;display:grid;gap:18px}.timeline:before{content:"";position:absolute;left:13px;top:10px;bottom:10px;width:2px;background:rgba(124,58,237,.18)}.timeline-item{position:relative;padding:22px;background:#fff;border:1px solid var(--line);border-radius:22px}.timeline-item:before{content:"";position:absolute;left:-32px;top:30px;width:12px;height:12px;border-radius:50%;background:var(--purple);box-shadow:0 0 0 6px var(--bg)}.timeline-item h3{margin:0;color:var(--title)}.timeline-item p{margin:8px 0 0;color:var(--muted)}.status{display:inline-flex;margin-top:12px;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--purple);font-size:13px;font-weight:800}.service-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:center}.service-copy{padding:32px}.service-copy h2{margin-top:0;color:var(--title);font-size:36px}.service-copy p{color:var(--muted)}.badge-row{display:flex;align-items:center;gap:16px;margin-top:18px}.badge-row .media-slot{width:76px;aspect-ratio:1/1;border-radius:20px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:30px;align-items:start}.article-side{position:sticky;top:105px;padding:20px}.article-side h2{font-size:16px;margin:0 0 12px;color:var(--title)}.article-side a{display:block;padding:8px 0;color:var(--muted)}.article-side a:hover{color:var(--purple)}.index-strips{display:grid;gap:12px}.index-strip{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:20px}.index-strip b{font-size:30px;color:var(--purple)}.index-strip h2,.index-strip h3{margin:0 0 6px;color:var(--title)}.index-strip p{margin:0;color:var(--muted)}.type-tabs{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}.type-tabs a{display:inline-flex;min-height:44px;align-items:center;padding:0 16px;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--muted)}.type-tabs a:hover,.type-tabs a:focus-visible{border-color:var(--purple);color:var(--purple);outline:none}.episode-guide{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:thin}.episode-guide a{flex:0 0 auto;min-width:150px;padding:15px;border-radius:18px;background:#fff;border:1px solid var(--line)}.episode-guide b{display:block;color:var(--purple)}.steps{counter-reset:step;display:grid;gap:16px}.step{position:relative;padding:24px 24px 24px 86px;background:#fff;border:1px solid var(--line);border-radius:24px}.step:before{counter-increment:step;content:counter(step, decimal-leading-zero);position:absolute;left:22px;top:21px;font-size:28px;font-weight:900;color:var(--purple)}.step h2,.step h3{margin:0 0 8px;color:var(--title)}.step p{margin:0;color:var(--muted)}.terms{display:grid;gap:18px}.term-block{padding:26px 28px;background:#fff;border:1px solid var(--line);border-radius:24px}.term-block h2{margin:0 0 10px;color:var(--title);font-size:24px}.term-block p{margin:0;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{padding:24px 26px;background:#fff;border:1px solid var(--line);border-radius:22px}.faq-item h2{font-size:20px;color:var(--title);margin:0 0 9px}.faq-item p{margin:0;color:var(--muted)}.callout{padding:24px 28px;border-radius:24px;background:linear-gradient(135deg,rgba(167,139,250,.22),rgba(20,184,166,.15));border:1px solid var(--line)}.callout h2,.callout h3{margin-top:0;color:var(--title)}.callout p:last-child{margin-bottom:0}.site-footer{background:var(--title);color:#F4F0FF;margin-top:70px;padding:58px 0 calc(46px + env(safe-area-inset-bottom))}.footer-inner{width:min(var(--max),calc(100% - 40px));margin:0 auto}.footer-brand{max-width:600px}.footer-mark{display:inline-flex;min-height:44px;align-items:center}.footer-mark img{max-height:38px;max-width:120px}.footer-mark strong{font-size:28px}.footer-en{font-weight:800;letter-spacing:.15em;color:#D9D2FF}.footer-brand p{color:#CBC5E2}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin-top:34px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12)}.footer-grid h2{font-size:14px;color:#fff;margin:0 0 10px}.footer-grid a{display:block;color:#CEC7E8;padding:5px 0}.footer-grid a:hover,.footer-grid a:focus-visible{color:#fff;outline:none}.footer-note,.copyright{color:#AFA8C9;font-size:13px}.footer-note{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10)}.screen-overlay{position:fixed;z-index:95;inset:0;background:rgba(27,19,64,.28);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:.22s}.screen-overlay.is-visible{opacity:1;pointer-events:auto}.site-drawer{position:fixed;z-index:100;left:50%;bottom:0;width:min(720px,100%);max-height:78vh;transform:translate(-50%,105%);background:#fff;border:1px solid var(--line);border-radius:30px 30px 0 0;box-shadow:0 -20px 60px rgba(49,46,129,.18);visibility:hidden;pointer-events:none;transition:transform .26s ease,visibility 0s linear .26s;overflow:hidden}.site-drawer.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto;transition:transform .26s ease}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;min-height:44px}.drawer-brand img{max-height:36px;max-width:110px}.drawer-brand strong{font-size:22px;color:var(--title)}.drawer-body{max-height:calc(78vh - 76px);overflow-y:auto;padding:18px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.drawer-group h2{margin:0 0 8px;color:var(--title);font-size:14px}.drawer-group a{display:block;padding:11px 12px;border-radius:14px}.drawer-group a:hover,.drawer-group a:focus-visible{background:var(--soft);outline:none}.drawer-group b{display:block;color:var(--title);font-size:15px}.drawer-group span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:2px}.search-layer{position:fixed;z-index:101;left:50%;top:88px;width:min(720px,calc(100% - 32px));transform:translate(-50%,-20px);opacity:0;visibility:hidden;pointer-events:none;transition:.22s}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;color:var(--title)}.search-card label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}.search-box{display:grid;grid-template-columns:22px 1fr auto;align-items:center;gap:10px;padding:8px 10px 8px 14px;background:var(--soft);border-radius:18px;border:1px solid transparent}.search-box:focus-within{border-color:var(--purple)}.search-box input{border:0;outline:0;background:transparent;min-width:0;color:var(--title);height:40px}.search-clear{border:0;background:#fff;border-radius:999px;min-height:38px;padding:0 14px;cursor:pointer}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.search-presets a{padding:8px 12px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--muted)}.search-presets a:hover{color:var(--purple);border-color:var(--purple)}.search-results{display:grid;gap:6px;margin-top:14px}.search-results>a{display:grid;padding:10px 12px;border-radius:14px;background:#fff;border:1px solid var(--line)}.search-results b{color:var(--title)}.search-results span,.search-results p{font-size:12px;color:var(--muted)}.mobile-island{display:none}
@media (max-width:1080px){.desktop-bar{grid-template-columns:42px 1fr auto 1fr 42px}.nav-pill{font-size:12px;padding:0 7px}.brand-mark{min-width:78px}.page-hero-grid{gap:30px}.content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tag-track{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:820px){.desktop-bar{display:none}.mobile-bar{pointer-events:auto;display:grid;grid-template-columns:44px 1fr 64px;align-items:center;gap:10px;width:calc(100% - 24px);height:58px;margin:10px auto 0;padding:7px 8px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow)}.mobile-bar .round-control{width:44px;height:44px}.mobile-bar .brand-mark{height:42px;min-width:0}.mobile-bar .brand-mark img{max-height:32px;max-width:112px}.mobile-app-link{display:flex;height:44px;align-items:center;justify-content:center;border-radius:999px;background:var(--soft);color:var(--purple);font-weight:800}.mobile-app-link.is-current{background:var(--purple);color:#fff}.site-main{padding-top:82px}.page-hero{padding-top:38px}.page-hero-grid,.service-grid,.article-layout{grid-template-columns:1fr}.page-hero-grid .media-slot{order:-1}.pulse-layout{grid-template-columns:1fr}.number-menu{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.mosaic{grid-template-columns:1fr}.mosaic article:first-child{grid-row:auto}.split-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-side{position:static;order:-1}.mobile-island{position:fixed;z-index:75;left:16px;right:16px;bottom:calc(10px + env(safe-area-inset-bottom));height:52px;display:grid;grid-template-columns:repeat(5,1fr);align-items:center;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;box-shadow:0 12px 30px rgba(49,46,129,.15);padding:5px;backdrop-filter:blur(18px)}.mobile-island a{height:42px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:15px;color:var(--muted);font-size:11px;line-height:1.2;gap:3px}.mobile-island .dot{width:5px;height:5px;border-radius:50%;background:transparent}.mobile-island a.is-current{color:var(--purple);font-weight:800;background:var(--soft)}.mobile-island a.is-current .dot{background:var(--purple)}.site-footer{padding-bottom:calc(110px + env(safe-area-inset-bottom))}.search-layer{inset:0;width:100%;transform:none;background:var(--bg);padding:12px;overflow:auto}.search-layer.is-open{transform:none}.search-card{min-height:100%;border-radius:24px}.drawer-body{grid-template-columns:1fr}.folder-item{grid-template-columns:56px 1fr}.folder-item>a{grid-column:2}.rank-row{grid-template-columns:80px 1fr}.rank-number{font-size:52px}.rank-row>a{grid-column:2}.wall-grid{columns:2 220px}}
@media (max-width:560px){.container,.narrow,.footer-inner{width:calc(100% - 32px)}.page-hero h1,.dock-copy h1{font-size:42px}.page-hero p,.dock-copy p{font-size:16px}.section{padding:48px 0}.section-head{display:block}.section-head p{margin-top:10px}.content-grid,.tag-track{grid-template-columns:1fr}.number-menu{grid-template-columns:1fr}.prose-card{padding:23px}.wall-grid{columns:1}.folder-item{padding:16px}.rank-row{grid-template-columns:66px 1fr;padding:18px}.rank-number{font-size:44px}.service-copy{padding:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.drawer-body{padding-bottom:90px}.index-strip{grid-template-columns:58px 1fr}.index-strip b{font-size:24px}.step{padding-left:72px}.term-block{padding:22px}.site-footer{margin-top:48px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}