:root{
  --bg:#F7F4FF;--surface:#FFFFFF;--soft:#EEF2FF;--text:#2F2A4A;--title:#1B1340;--muted:#5B5678;--quiet:#8B86A3;
  --purple:#7C3AED;--light-purple:#A78BFA;--teal:#14B8A6;--coral:#F97316;--magenta:#E11D48;--amber:#F59E0B;--indigo:#312E81;
  --border: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}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.lock-scroll{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.top-shell{position:fixed;top:0;left:0;right:0;z-index:80;pointer-events:none}.desktop-brandbar,.mobile-brandbar{pointer-events:auto}.desktop-brandbar{height:64px;max-width:1080px;margin:14px auto 0;display:grid;grid-template-columns:auto 1fr auto 1fr auto;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--border);background:rgba(255,255,255,.93);backdrop-filter:blur(16px);border-radius:999px;box-shadow:var(--shadow)}.brand-links{display:flex;gap:6px;align-items:center}.left-links{justify-content:flex-end}.right-links{justify-content:flex-start}.pill-link,.mobile-app-link{min-height:44px;padding:9px 13px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;color:var(--muted);white-space:nowrap;font-size:14px}.pill-link:hover,.pill-link:focus-visible,.pill-link.is-active{outline:none;color:var(--purple);box-shadow:inset 0 0 0 1.5px var(--purple);background:#fff}.brand-mark{width:98px;min-height:44px;display:flex;align-items:center;justify-content:center;border-radius:999px}.brand-mark img{max-width:86px;max-height:34px;object-fit:contain}.brand-mark strong{color:var(--title);font-weight:900;letter-spacing:.02em}.icon-button{width:44px;height:44px;border:0;border-radius:50%;background:var(--soft);color:var(--indigo);cursor:pointer;display:inline-grid;place-items:center;font-size:20px}.icon-button:hover,.icon-button:focus-visible{outline:2px solid var(--purple);outline-offset:2px}.mobile-brandbar{display:none}
main{padding-top:108px}.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}.hero-space{padding:48px 0 30px}.eyebrow{margin:0 0 8px;color:var(--purple);font-weight:800;letter-spacing:.12em;font-size:13px;text-transform:uppercase}.page-title,.hero-title{margin:0;color:var(--title);font-weight:900;letter-spacing:-.035em;line-height:1.08}.hero-title{font-size:clamp(42px,6vw,82px)}.page-title{font-size:clamp(38px,5vw,64px)}.lead{max-width:760px;margin:18px 0 0;font-size:18px;color:var(--muted)}.section{padding:54px 0}.section.alt{background:var(--surface)}.section-head{display:flex;gap:20px;align-items:end;justify-content:space-between;margin-bottom:22px}.section-head h2{margin:0;color:var(--title);font-size:clamp(28px,4vw,44px);line-height:1.16}.section-head p{max-width:600px;margin:0;color:var(--muted)}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card h2,.card h3{margin-top:0;color:var(--title);line-height:1.25}.card p:last-child{margin-bottom:0}.tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--muted)}.dot{width:9px;height:9px;border-radius:50%;background:var(--purple)}.dot.teal{background:var(--teal)}.dot.coral{background:var(--coral)}.dot.magenta{background:var(--magenta)}.dot.amber{background:var(--amber)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.btn{min-height:46px;padding:11px 19px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.btn.primary{color:#fff;background:linear-gradient(135deg,#A78BFA 0%,#7C3AED 50%,#14B8A6 100%)}.btn.secondary{background:#fff;color:var(--indigo);box-shadow:inset 0 0 0 1px var(--border)}.btn:hover,.btn:focus-visible{transform:translateY(-1px);outline:2px solid var(--title);outline-offset:2px}.media-slot{min-height:220px;border-radius:28px;background:linear-gradient(145deg,#fff,#eef2ff);border:1px solid var(--border);display:grid;place-items:center;overflow:hidden}.media-slot:empty:before{content:"";width:82px;height:82px;border-radius:24px;background:linear-gradient(135deg,var(--light-purple),var(--teal));opacity:.16}.media-slot img{width:100%;height:100%;object-fit:contain}.feature-split{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}.label-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.label-item{padding:18px;border-radius:22px;background:#fff;border:1px solid var(--border)}.label-item h3{margin:4px 0 6px;color:var(--title);font-size:17px}.label-item p{margin:0 0 8px;font-size:14px;color:var(--muted)}.text-link{color:var(--purple);font-weight:800}.number-layout{display:grid;grid-template-columns:180px 1fr;gap:30px}.number-menu{display:grid;gap:8px;align-content:start}.number-menu a{padding:14px 16px;border-radius:18px;background:#fff;border:1px solid var(--border);font-weight:800;color:var(--muted)}.number-menu a span{display:inline-block;width:34px;color:var(--purple)}.prose{max-width:820px}.prose h2,.prose h3{color:var(--title);line-height:1.3}.prose p{margin:0 0 18px}.prose-note{padding:16px 18px;border-left:4px solid var(--purple);background:var(--soft);border-radius:0 18px 18px 0;color:var(--muted)}.mosaic{display:grid;grid-template-columns:1.35fr .65fr;grid-template-rows:auto auto;gap:18px}.mosaic .wide{grid-row:span 2}.mosaic-card{overflow:hidden}.mosaic-card .media-slot{min-height:260px;margin-bottom:18px}.mosaic .wide .media-slot{min-height:540px}.folder-list{display:grid;gap:12px}.folder{display:grid;grid-template-columns:70px 1fr auto;gap:18px;align-items:center;padding:18px 22px;background:#fff;border:1px solid var(--border);border-radius:22px}.folder-num{font-size:28px;font-weight:900;color:var(--purple)}.folder h3{margin:0;color:var(--title)}.folder p{margin:4px 0 0;color:var(--muted)}.rank-list{display:grid;gap:10px}.rank-row{display:grid;grid-template-columns:90px 1fr auto;gap:16px;align-items:center;padding:19px 0;border-bottom:1px solid var(--border)}.rank-num{font-size:44px;font-weight:900;line-height:1;color:var(--purple)}.rank-row:nth-child(2) .rank-num{color:var(--teal)}.rank-row:nth-child(3) .rank-num{color:var(--coral)}.rank-row:nth-child(4) .rank-num{color:var(--magenta)}.rank-row:nth-child(5) .rank-num{color:var(--amber)}.timeline{position:relative;display:grid;gap:20px;margin-left:14px}.timeline:before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;background:var(--border)}.time-item{position:relative;padding-left:46px}.time-item:before{content:"";position:absolute;left:2px;top:8px;width:20px;height:20px;border-radius:50%;background:var(--purple);box-shadow:0 0 0 6px var(--bg)}.status{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--indigo);font-size:12px;font-weight:900}.steps{counter-reset:steps;display:grid;gap:16px}.step{counter-increment:steps;padding:22px 22px 22px 78px;position:relative;background:#fff;border:1px solid var(--border);border-radius:22px}.step:before{content:counter(steps,decimal-leading-zero);position:absolute;left:22px;top:19px;font-size:27px;font-weight:900;color:var(--purple)}.faq{display:grid;gap:14px}.faq article{padding:20px 22px;background:#fff;border:1px solid var(--border);border-radius:22px}.faq h2{margin:0 0 8px;color:var(--title);font-size:20px}.faq p{margin:0;color:var(--muted)}.terms{display:grid;gap:18px}.terms article{padding:22px;background:#fff;border:1px solid var(--border);border-radius:22px}.terms h2{margin:0 0 8px;color:var(--title)}
.site-footer{margin-top:56px;background:#1B1340;color:#F4F0FF}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:48px 0 100px}.footer-brand{display:flex;gap:14px;align-items:center;margin-bottom:30px}.footer-brand img{width:76px;max-height:38px;object-fit:contain}.footer-brand div{display:grid}.footer-brand strong{font-size:22px}.footer-brand span{color:#c9c1e9}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}.footer-grid h2{font-size:15px;color:#fff;margin:0 0 12px}.footer-grid a{display:block;color:#d8d2ee;padding:5px 0}.footer-grid a:hover,.footer-grid a:focus-visible{color:#fff;text-decoration:underline}.footer-note,.copyright{color:#c9c1e9}.footer-note{margin-top:30px;max-width:820px}.copyright{font-size:14px}.screen-overlay{position:fixed;inset:0;background:rgba(27,19,64,.34);opacity:0;visibility:hidden;pointer-events:none;z-index:90;transition:.2s}.screen-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer-panel{position:fixed;z-index:100;left:50%;bottom:0;width:min(720px,100%);max-height:78vh;overflow:auto;background:#fff;border-radius:30px 30px 0 0;box-shadow:0 -20px 70px rgba(27,19,64,.25);transform:translate(-50%,105%);visibility:hidden;pointer-events:none;transition:transform .28s ease,visibility .28s}.drawer-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border);background:#fff}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{width:82px;max-height:34px;object-fit:contain}.drawer-groups{padding:18px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.drawer-groups h2{margin:0 0 8px;font-size:14px;color:var(--purple)}.drawer-groups a{display:grid;padding:11px 0;border-bottom:1px solid var(--border)}.drawer-groups a strong{color:var(--title)}.drawer-groups a span{font-size:13px;color:var(--muted)}.search-layer{position:fixed;z-index:100;top:88px;left:50%;width:min(760px,calc(100% - 32px));transform:translateX(-50%) translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-layer.is-open{transform:translateX(-50%) translateY(0);opacity:1;visibility:visible;pointer-events:auto}.search-card{padding:20px;border-radius:28px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--border)}.search-top{display:flex;justify-content:space-between;align-items:center;gap:14px;color:var(--title);font-size:20px}.fake-search{margin:16px 0;padding:14px 16px;border-radius:18px;background:var(--soft);color:var(--quiet)}.preset-links{display:flex;gap:9px;flex-wrap:wrap}.preset-links a{padding:9px 13px;border-radius:999px;border:1px solid var(--border);font-size:14px}.mobile-island{display:none}
@media (max-width:980px){.desktop-brandbar{display:none}.mobile-brandbar{display:grid;grid-template-columns:44px 1fr 58px;align-items:center;gap:10px;margin:10px 12px 0;padding:7px 8px;background:rgba(255,255,255,.94);border:1px solid var(--border);border-radius:999px;box-shadow:var(--shadow)}.mobile-app-link{padding:8px 10px;color:var(--purple);font-weight:800}.mobile-brandbar .brand-mark{justify-self:center;width:auto}.mobile-brandbar .brand-mark img{max-width:90px}.top-shell{right:0}.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;padding:4px 8px;border-radius:999px;background:rgba(255,255,255,.95);border:1px solid var(--border);box-shadow:0 15px 45px rgba(49,46,129,.18);backdrop-filter:blur(14px)}.mobile-island a{height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--muted);border-radius:999px}.mobile-island a span{width:5px;height:5px;border-radius:50%;background:transparent}.mobile-island a.is-current{color:var(--purple);font-weight:900}.mobile-island a.is-current span{background:var(--purple)}main{padding-top:92px}.footer-inner{padding-bottom:120px}.feature-split,.number-layout{grid-template-columns:1fr}.number-menu{grid-template-columns:repeat(4,1fr)}.number-menu a{font-size:13px;padding:12px}.number-menu a span{display:block;width:auto}.label-track{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){.container{width:min(100% - 32px,var(--max))}.hero-space{padding-top:34px}.section{padding:40px 0}.grid-2,.grid-3,.grid-4,.footer-grid,.drawer-groups{grid-template-columns:1fr}.label-track{grid-template-columns:1fr}.mosaic{grid-template-columns:1fr;grid-template-rows:auto}.mosaic .wide{grid-row:auto}.mosaic .wide .media-slot,.mosaic-card .media-slot{min-height:260px}.number-menu{grid-template-columns:repeat(2,1fr)}.folder{grid-template-columns:48px 1fr}.folder>a{grid-column:2}.rank-row{grid-template-columns:60px 1fr}.rank-row>a{grid-column:2}.rank-num{font-size:36px}.section-head{display:block}.section-head p{margin-top:8px}.lead{font-size:16px}.search-layer{top:0;left:0;width:100%;height:100dvh;transform:none;background:var(--bg);padding:16px;overflow:auto}.search-layer.is-open{transform:none}.search-card{margin-top:56px}.drawer-panel{max-height:78vh}.drawer-groups{gap:12px}.footer-grid{gap:18px}}
.service-badge{width:68px;max-height:68px;object-fit:contain;margin:14px 0 0;border-radius:18px}