:root{
  --bg:#F7F4FF;--surface:#FFFFFF;--soft:#EEF2FF;--ink:#1B1340;--body:#2F2A4A;--muted:#5B5678;--faint:#8B86A3;
  --purple:#7C3AED;--lav:#A78BFA;--teal:#14B8A6;--coral:#F97316;--pink:#E11D48;--amber:#F59E0B;--indigo:#312E81;
  --line:rgba(124,58,237,.14);--shadow:0 16px 40px rgba(49,46,129,.10);--radius:24px;--max:1200px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--body);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}img{display:block;max-width:100%;width:100%;height:auto;object-fit:contain;object-position:center}.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px}.skip-link:focus{top:12px}.site-header{position:fixed;left:0;right:0;top:0;z-index:110;padding:14px 18px;pointer-events:none}.desktop-island{pointer-events:auto;width:min(1120px,calc(100vw - 36px));min-height:68px;margin:auto;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);backdrop-filter:blur(18px);display:grid;grid-template-columns:auto 1fr auto 1fr auto;align-items:center;gap:12px;padding:8px 10px}.desktop-nav{display:flex;align-items:center;gap:4px;white-space:nowrap}.desktop-nav-left{justify-content:flex-end}.desktop-nav-right{justify-content:flex-start}.desktop-nav a,.mobile-app-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 13px;border-radius:999px;color:var(--muted);font-size:14px;font-weight:700}.desktop-nav a:hover,.desktop-nav a:focus-visible,.desktop-nav a.is-active{background:var(--soft);color:var(--purple);box-shadow:inset 0 0 0 1px rgba(124,58,237,.28)}.desktop-nav .app-pill{background:linear-gradient(135deg,var(--lav),var(--purple) 50%,var(--teal));color:#fff}.brand-mark{display:flex;align-items:center;justify-content:center;min-width:92px;max-width:116px;min-height:46px}.brand-mark img{width:auto;max-width:100%;max-height:42px}.brand-mark strong{font-size:20px;color:var(--ink);letter-spacing:-.02em}.round-action{width:44px;height:44px;min-width:44px;border:0;border-radius:50%;background:var(--soft);color:var(--ink);display:inline-grid;place-items:center;cursor:pointer}.round-action:hover,.round-action:focus-visible{outline:3px solid rgba(124,58,237,.22);background:#fff}.menu-open{gap:4px;align-content:center}.menu-open span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px}.mobile-bar{display:none;pointer-events:auto}.site-main{padding-top:112px}.wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto}.reading{width:min(780px,calc(100% - 40px));margin-left:auto;margin-right:auto}.section{padding:72px 0}.section-tight{padding:44px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--purple);margin-bottom:14px}.eyebrow::before{content:"";width:20px;height:2px;background:currentColor;border-radius:2px}h1,h2,h3{color:var(--ink);line-height:1.18;margin-top:0}h1{font-size:clamp(36px,6vw,72px);letter-spacing:-.045em;margin-bottom:20px}h2{font-size:clamp(26px,4vw,42px);letter-spacing:-.03em;margin-bottom:18px}h3{font-size:20px;margin-bottom:10px}p{margin:0 0 1em}.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:820px}.muted{color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:999px;font-weight:800}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--lav),var(--purple) 50%,var(--teal));box-shadow:0 10px 24px rgba(124,58,237,.18)}.btn-secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn:hover,.btn:focus-visible{transform:translateY(-1px);outline:3px solid rgba(124,58,237,.14)}.hero-grid,.split-grid,.app-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(280px,.96fr);gap:48px;align-items:center}.visual-frame{background:var(--surface);border:1px solid var(--line);border-radius:30px;padding:18px;box-shadow:var(--shadow)}.visual-frame img{border-radius:18px}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud a,.tag-cloud span{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:700;color:var(--body)}.tag-cloud a:nth-child(3n+1),.tag-cloud span:nth-child(3n+1){transform:translateY(6px);background:#F3E8FF}.tag-cloud a:nth-child(3n+2),.tag-cloud span:nth-child(3n+2){background:#ECFEF9}.tag-cloud a:nth-child(3n),.tag-cloud span:nth-child(3n){background:#FFF7ED}.number-list{display:grid;gap:12px}.number-row{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}.number-row .num,.big-num{font-size:42px;line-height:1;font-weight:900;color:var(--purple);letter-spacing:-.06em}.number-row:nth-child(2) .num,.big-index article:nth-child(2) .big-num{color:var(--teal)}.number-row:nth-child(3) .num,.big-index article:nth-child(3) .big-num{color:var(--coral)}.number-row:nth-child(4) .num,.big-index article:nth-child(4) .big-num{color:var(--pink)}.number-row:nth-child(5) .num,.big-index article:nth-child(5) .big-num{color:var(--amber)}.mosaic{display:grid;grid-template-columns:1.35fr .8fr;grid-template-rows:auto auto;gap:18px}.mosaic article{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;min-height:220px}.mosaic article:first-child{grid-row:1 / 3}.mosaic .visual-frame{box-shadow:none;margin-bottom:18px}.brick-wall{columns:3;column-gap:18px}.brick{break-inside:avoid;background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;margin:0 0 18px}.brick:nth-child(2n){padding-bottom:42px}.brick:nth-child(3n){padding-top:34px}.folder-list{display:grid;gap:14px}.folder{position:relative;background:#fff;border:1px solid var(--line);border-radius:0 24px 24px 24px;padding:26px 26px 24px;margin-top:12px}.folder::before{content:"";position:absolute;left:-1px;top:-14px;width:120px;height:16px;background:#fff;border:1px solid var(--line);border-bottom:0;border-radius:16px 16px 0 0}.folder-head{display:flex;gap:16px;justify-content:space-between;align-items:flex-start}.folder small{color:var(--purple);font-weight:800}.folder a{font-weight:800;color:var(--purple)}.big-index{display:grid;gap:10px}.big-index article{display:grid;grid-template-columns:110px 1fr;gap:28px;padding:30px 0;border-bottom:1px solid var(--line)}.big-num{font-size:68px}.timeline{position:relative;margin-left:14px;padding-left:36px}.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--lav),var(--teal),var(--coral),var(--pink))}.timeline article{position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px 24px;margin:0 0 18px}.timeline article::before{content:"";position:absolute;left:-38px;top:28px;width:14px;height:14px;border-radius:50%;background:var(--purple);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--purple);font-size:12px;font-weight:800;margin-bottom:8px}.step-list{display:grid;gap:22px}.step{display:grid;grid-template-columns:88px 1fr;gap:28px;align-items:start;padding:30px;border-radius:28px;background:#fff;border:1px solid var(--line)}.step:nth-child(even){grid-template-columns:1fr 88px}.step:nth-child(even) .step-num{grid-column:2;grid-row:1}.step-num{width:72px;height:72px;border-radius:24px;background:var(--soft);display:grid;place-items:center;font-size:28px;font-weight:900;color:var(--purple)}.type-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.type-grid article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px}.type-grid article:nth-child(3n){grid-column:span 2}.rail{display:flex;overflow-x:auto;gap:10px;padding:8px 0 14px;scrollbar-width:thin}.rail span,.rail a{flex:0 0 auto;display:inline-flex;min-height:42px;align-items:center;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:700}.prose{font-size:17px}.prose h2{font-size:30px;margin-top:48px}.prose h3{margin-top:34px}.prose p{margin-bottom:1.35em}.quote-note{border-left:4px solid var(--purple);background:#fff;border-radius:0 20px 20px 0;padding:22px 24px;margin:28px 0}.creator-cards{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.creator-cards article{background:#fff;border:1px solid var(--line);border-radius:26px;padding:26px}.creator-cards article:nth-child(3),.creator-cards article:nth-child(6){grid-column:1 / -1}.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.check-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.check-item strong{display:block;color:var(--ink);margin-bottom:6px}.legal-sections{display:grid;gap:16px}.legal-sections section{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px}.support-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.support-index a{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;min-height:130px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px}.faq-item h2,.faq-item h3{font-size:20px;margin-bottom:8px}.notice-strip{padding:18px 20px;border-radius:22px;background:#fff7ed;border:1px solid rgba(249,115,22,.2);color:#7c2d12}.app-feature{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:34px 0;border-bottom:1px solid var(--line)}.app-feature:nth-child(even) .app-feature-copy{grid-column:2}.app-feature:nth-child(even) .app-feature-aside{grid-column:1;grid-row:1}.app-feature-aside{border-radius:26px;padding:26px;background:#fff;border:1px solid var(--line)}.mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.mini-grid article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px}.rights-grid{display:grid;grid-template-columns:1.2fr .9fr 1fr;gap:18px}.rights-grid article{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px}.home-intro{padding-top:38px}.home-intro h1{max-width:850px}.home-intro .lead{max-width:760px}.site-footer{margin-top:80px;background:var(--ink);color:#F4F0FF;padding:58px 0 110px}.footer-inner{width:min(var(--max),calc(100% - 40px));margin:auto}.footer-brand{display:flex;align-items:center;gap:18px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand p{color:#cbc3e5;margin:4px 0 0;max-width:620px}.footer-brand span{display:block;color:#a99fcb}.footer-logo-wrap,.directory-logo-wrap{display:inline-flex;align-items:center;justify-content:center;background:#fff;border-radius:14px;padding:8px;flex:0 0 auto}.footer-logo-wrap{width:78px;min-height:54px}.footer-logo-wrap img,.directory-logo-wrap img{width:auto;max-width:100%;max-height:40px}.footer-logo-wrap strong,.directory-logo-wrap strong{color:var(--ink)}.footer-groups{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;padding:36px 0}.footer-groups h2{font-size:14px;color:#fff;margin-bottom:12px}.footer-groups a{display:block;color:#cfc8e7;font-size:14px;margin:7px 0}.footer-groups a:hover,.footer-groups a:focus-visible{color:#fff;text-decoration:underline}.footer-note{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;color:#bfb7dd;font-size:14px}.page-mask{position:fixed;inset:0;background:rgba(27,19,64,.42);z-index:150;opacity:0;visibility:hidden;pointer-events:none;transition:.22s}.page-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}.directory-panel{position:fixed;left:50%;bottom:0;transform:translate(-50%,105%);width:min(820px,calc(100% - 28px));max-height:76vh;overflow:auto;background:var(--indigo);color:#fff;border-radius:28px 28px 0 0;z-index:170;padding:22px;visibility:hidden;pointer-events:none;transition:.28s ease}.directory-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.directory-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:18px}.directory-brand{display:flex;align-items:center;gap:14px}.directory-brand p{margin:2px 0 0;color:#d8d2ef;font-size:14px}.directory-logo-wrap{width:66px;min-height:46px}.directory-panel .round-action{background:rgba(255,255,255,.12);color:#fff}.directory-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.directory-grid section{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.10);border-radius:22px;padding:18px}.directory-grid h2{font-size:15px;color:#fff;margin-bottom:10px}.directory-grid a{display:block;padding:10px 0;border-top:1px solid rgba(255,255,255,.08)}.directory-grid a:first-of-type{border-top:0}.directory-grid strong{display:block;color:#fff}.directory-grid span{display:block;color:#cfc8e7;font-size:13px;line-height:1.55;margin-top:3px}.search-layer{position:fixed;left:0;right:0;top:88px;z-index:175;display:flex;justify-content:center;padding:0 18px;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.search-card{width:min(720px,100%);background:#f8f6ff;border:1px solid var(--line);box-shadow:0 28px 80px rgba(27,19,64,.22);border-radius:28px;padding:24px}.search-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.search-head span{font-size:12px;font-weight:800;color:var(--purple)}.search-head h2{font-size:28px;margin:3px 0 0}.search-box{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px 14px;margin-top:18px}.search-box span{font-size:13px;font-weight:800;color:var(--muted)}.search-box input{width:100%;border:0;outline:0;background:transparent;min-height:44px;color:var(--ink)}.search-tip{font-size:13px;color:var(--muted);margin:12px 0}.search-presets{display:flex;flex-wrap:wrap;gap:8px}.search-presets a{display:inline-flex;align-items:center;min-height:38px;padding:0 13px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700}.mobile-bottom-nav{display:none}.accent-block{border-radius:28px;padding:28px;background:linear-gradient(135deg,#ede9fe,#ecfeff);border:1px solid var(--line)}.story-lines{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.story-lines article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px}.story-lines article strong{display:block;font-size:26px;color:var(--purple);margin-bottom:8px}.index-links{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.index-links a{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;text-align:center;font-weight:800}.plain-list{display:grid;gap:0}.plain-list article{padding:22px 0;border-bottom:1px solid var(--line)}.plain-list article:last-child{border-bottom:0}.caption{font-size:13px;color:var(--faint);margin-top:10px}.wide-title{max-width:920px}.pill{display:inline-flex;padding:5px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12px;font-weight:800;color:var(--purple)}
@media(max-width:1050px){.desktop-nav a{padding:0 9px;font-size:13px}.desktop-island{gap:7px}.footer-groups{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){.desktop-island{display:none}.mobile-bar{display:grid;grid-template-columns:44px 1fr 62px;align-items:center;gap:12px;width:min(680px,calc(100vw - 28px));margin:auto;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);padding:8px}.mobile-bar .brand-mark{justify-self:center;min-width:0;max-width:132px}.mobile-app-link{padding:0 12px;background:var(--soft);color:var(--purple)}.site-main{padding-top:96px}.hero-grid,.split-grid,.app-grid{grid-template-columns:1fr;gap:26px}.mosaic{grid-template-columns:1fr}.mosaic article:first-child{grid-row:auto}.brick-wall{columns:2}.support-index{grid-template-columns:repeat(2,1fr)}.story-lines{grid-template-columns:repeat(2,1fr)}.index-links{grid-template-columns:repeat(3,1fr)}.rights-grid{grid-template-columns:1fr 1fr}.rights-grid article:last-child{grid-column:1/-1}}
@media(max-width:700px){.wrap,.footer-inner,.reading{width:min(100% - 32px,100%)}.section{padding:50px 0}.section-tight{padding:34px 0}h1{font-size:38px}.lead{font-size:17px}.type-grid,.creator-cards,.checklist,.mini-grid,.rights-grid{grid-template-columns:1fr}.type-grid article:nth-child(3n),.creator-cards article:nth-child(3),.creator-cards article:nth-child(6),.rights-grid article:last-child{grid-column:auto}.big-index article{grid-template-columns:72px 1fr;gap:16px}.big-num{font-size:48px}.number-row{grid-template-columns:56px 1fr}.number-row .num{font-size:34px}.step,.step:nth-child(even){grid-template-columns:62px 1fr;gap:16px;padding:22px}.step:nth-child(even) .step-num{grid-column:1;grid-row:1}.step-num{width:56px;height:56px;border-radius:18px;font-size:22px}.app-feature,.app-feature:nth-child(even){grid-template-columns:1fr}.app-feature:nth-child(even) .app-feature-copy,.app-feature:nth-child(even) .app-feature-aside{grid-column:auto;grid-row:auto}.brick-wall{columns:1}.support-index{grid-template-columns:1fr}.footer-groups{grid-template-columns:repeat(2,1fr)}.footer-brand{align-items:flex-start}.directory-panel{width:100%;max-height:82vh;border-radius:24px 24px 0 0;padding:18px}.directory-grid{grid-template-columns:1fr}.search-layer{top:0;bottom:0;padding:12px;background:var(--bg)}.search-layer.is-open{display:block}.search-card{width:100%;height:100%;border-radius:24px;overflow:auto}.mobile-bottom-nav{position:fixed;left:16px;right:16px;bottom:max(12px,env(safe-area-inset-bottom));z-index:130;display:grid;grid-template-columns:repeat(5,1fr);min-height:54px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 45px rgba(49,46,129,.20);padding:5px;backdrop-filter:blur(16px)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-radius:16px;font-size:11px;color:var(--muted);font-weight:800}.mobile-bottom-nav a span{font-size:16px;line-height:1}.mobile-bottom-nav a.is-active{background:var(--soft);color:var(--purple)}.site-footer{padding-bottom:118px}.story-lines{grid-template-columns:1fr}.index-links{grid-template-columns:repeat(2,1fr)}.folder-head{display:block}.folder small{display:block;margin-top:8px}.visual-frame{padding:12px;border-radius:24px}.accent-block{padding:22px}}