*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F7F4FF;color:#2F2A4A;font:16px/1.75 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden}body.overlay-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;width:100%;height:auto;object-fit:contain;display:block}button,input{font:inherit}.site-head{position:relative;z-index:40}.desktop-island{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:min(1120px,calc(100% - 32px));height:68px;padding:8px 10px;background:rgba(255,255,255,.94);border:1px solid rgba(124,58,237,.14);box-shadow:0 16px 40px rgba(49,46,129,.10);border-radius:26px;display:flex;align-items:center;gap:6px;backdrop-filter:blur(12px);z-index:50}.nav-link,.app-chip{height:44px;display:flex;align-items:center;justify-content:center;padding:0 12px;border-radius:999px;white-space:nowrap;color:#5B5678;font-size:14px}.nav-link:hover,.nav-link.is-active{background:#EEF2FF;color:#7C3AED;box-shadow:inset 0 0 0 1px rgba(124,58,237,.28)}.app-chip{background:linear-gradient(135deg,#A78BFA 0%,#7C3AED 50%,#14B8A6 100%);color:white;margin-left:auto}.round-btn{width:44px;height:44px;border:0;border-radius:50%;display:grid;place-items:center;background:#EEF2FF;color:#312E81;cursor:pointer}.round-btn:hover{background:#e4e7ff}.brand-mark{width:98px;min-width:88px;display:flex;align-items:center;justify-content:center;margin:auto 2px}.brand-mark img{max-width:82px;max-height:40px;width:auto;height:auto}.brand-mark strong{color:#7C3AED}.mobile-top{display:none}main{padding-top:112px;min-height:60vh}.shell{width:min(1200px,calc(100% - 40px));margin:0 auto}.reading{width:min(800px,100%);margin:0 auto}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.08em;color:#7C3AED;text-transform:uppercase}.hero-title{font-size:clamp(36px,6vw,68px);line-height:1.05;letter-spacing:-.035em;margin:14px 0 20px;color:#1B1340}.page-title{font-size:clamp(34px,5vw,56px);line-height:1.08;letter-spacing:-.03em;color:#1B1340;margin:12px 0 18px}.lead{font-size:18px;color:#5B5678;max-width:760px}.section{padding:64px 0}.section-tight{padding:42px 0}.section h2{font-size:clamp(26px,4vw,42px);line-height:1.15;color:#1B1340;margin:0 0 14px}.section h3{color:#1B1340}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.btn{min-height:44px;padding:10px 18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:750}.btn-primary{background:linear-gradient(135deg,#A78BFA 0%,#7C3AED 50%,#14B8A6 100%);color:#fff}.btn-soft{background:#fff;color:#312E81;border:1px solid rgba(124,58,237,.14)}.hero-grid,.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:46px;align-items:center}.visual-card{background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:28px;padding:18px;box-shadow:0 16px 40px rgba(49,46,129,.10)}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud a,.tag-cloud span{padding:10px 15px;border-radius:999px;background:#fff;border:1px solid rgba(124,58,237,.14);font-weight:700}.tag-cloud>*:nth-child(3n+1){transform:translateY(5px)}.tag-cloud>*:nth-child(4n){background:#EEF2FF}.number-list{display:grid;gap:16px}.number-item{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:24px 0;border-top:1px solid rgba(124,58,237,.14)}.number-item .num{font-size:40px;line-height:1;font-weight:900;color:#7C3AED}.mosaic{display:grid;grid-template-columns:1.35fr .85fr;grid-template-areas:"a b" "a c";gap:18px}.mosaic article{background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:26px;padding:18px}.mosaic .a{grid-area:a}.mosaic .b{grid-area:b}.mosaic .c{grid-area:c}.mosaic h3{margin:16px 0 8px}.brick-grid{columns:3;column-gap:18px}.brick{break-inside:avoid;margin:0 0 18px;background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:24px;padding:22px}.brick:nth-child(2n){padding-bottom:34px}.folder-list{display:grid;gap:16px}.folder{position:relative;background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:0 22px 22px 22px;padding:26px}.folder:before{content:"";position:absolute;left:-1px;top:-13px;width:96px;height:14px;background:#EEF2FF;border:1px solid rgba(124,58,237,.14);border-bottom:0;border-radius:12px 12px 0 0}.folder small{color:#E11D48;font-weight:800}.folder h3{margin:4px 0 8px}.big-index{display:grid;gap:8px}.big-index article{display:grid;grid-template-columns:120px 1fr;gap:26px;padding:36px 0;border-top:1px solid rgba(124,58,237,.14)}.big-index .n{font-size:72px;line-height:.9;font-weight:900;color:#7C3AED}.timeline{position:relative;margin-left:16px;padding-left:34px;border-left:2px solid rgba(124,58,237,.18)}.timeline article{position:relative;padding:0 0 34px}.timeline article:before{content:"";position:absolute;left:-43px;top:7px;width:16px;height:16px;border-radius:50%;background:#14B8A6;border:4px solid #F7F4FF}.status{display:inline-flex;padding:5px 10px;border-radius:999px;background:#EEF2FF;color:#312E81;font-size:13px;font-weight:800}.steps{display:grid;gap:18px}.step{display:grid;grid-template-columns:86px 1fr;gap:24px;padding:28px;background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:24px}.step:nth-child(even){margin-left:10%}.step .n{font-size:44px;color:#F97316;font-weight:900}.prose h2{margin-top:42px}.prose p{margin:12px 0}.prose .callout{background:#fff;border-left:4px solid #7C3AED;padding:18px 20px;border-radius:0 18px 18px 0}.index-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.index-links a{background:#fff;border:1px solid rgba(124,58,237,.14);padding:18px;border-radius:18px;font-weight:750}.feature-zig{display:grid;gap:18px}.feature-zig article{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:30px;background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:26px;align-items:center}.feature-zig article:nth-child(even)>*:first-child{order:2}.policy section{padding:24px 0;border-top:1px solid rgba(124,58,237,.14)}.policy h2{font-size:25px}.qa-list details{background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:18px;padding:0 20px;margin:12px 0}.qa-list summary{cursor:pointer;font-weight:800;color:#1B1340;padding:18px 0}.qa-list p{padding:0 0 18px;margin:0}.site-footer{background:#1B1340;color:#F4F0FF;margin-top:70px;padding:58px 0 110px}.footer-inner{width:min(1200px,calc(100% - 40px));margin:auto}.footer-brand{display:flex;gap:20px;align-items:center}.footer-brand span{display:block;color:#A78BFA;font-size:13px;letter-spacing:.1em}.footer-brand p{color:#cfc9ea;max-width:540px}.logo-plate{display:inline-flex;align-items:center;justify-content:center;background:#fff;padding:8px 12px;border-radius:12px;min-width:92px;min-height:52px}.logo-plate img{width:auto;max-width:100px;max-height:44px}.footer-groups{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;margin:38px 0}.footer-groups h3{font-size:14px;color:#fff}.footer-groups a{display:block;color:#cfc9ea;margin:8px 0;font-size:14px}.footer-note,.copyright{color:#b5afd0;font-size:13px}.page-mask{position:fixed;inset:0;background:rgba(27,19,64,.36);opacity:0;transition:.18s;z-index:70}.page-mask.is-open{opacity:1}.directory-panel{position:fixed;left:50%;bottom:0;transform:translate(-50%,105%);width:min(820px,calc(100% - 24px));max-height:76vh;overflow:auto;background:#fff;border-radius:28px 28px 0 0;padding:24px;z-index:80;box-shadow:0 -20px 50px rgba(49,46,129,.18);visibility:hidden;pointer-events:none;transition:.25s}.directory-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.directory-top{display:flex;justify-content:space-between;gap:20px;align-items:center}.directory-brand{display:flex;gap:14px;align-items:center}.directory-brand p{margin:2px 0;color:#5B5678}.directory-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:24px}.directory-grid section{background:#F7F4FF;border-radius:20px;padding:18px}.directory-grid h3{margin:0 0 8px}.directory-grid a{display:block;padding:10px 0;border-top:1px solid rgba(124,58,237,.12)}.directory-grid b,.directory-grid span{display:block}.directory-grid span{font-size:13px;color:#5B5678}.search-layer{position:fixed;top:92px;left:50%;transform:translateX(-50%) translateY(-16px);width:min(720px,calc(100% - 32px));z-index:85;visibility:hidden;pointer-events:none;opacity:0;transition:.18s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateX(-50%) translateY(0)}.search-card{background:#F7F4FF;border:1px solid rgba(124,58,237,.14);border-radius:26px;padding:24px;box-shadow:0 24px 60px rgba(49,46,129,.18)}.search-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.search-head h2{margin:4px 0;color:#1B1340}.search-box{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid rgba(124,58,237,.18);border-radius:999px;padding:0 16px;margin-top:18px}.search-box input{width:100%;height:48px;border:0;outline:0;background:transparent}.search-tip{font-size:13px;color:#8B86A3}.search-links{display:flex;flex-wrap:wrap;gap:10px}.search-links a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(124,58,237,.14)}.mobile-bottom{display:none}.kicker-strip{display:flex;gap:10px;overflow:auto;padding-bottom:8px}.kicker-strip a{white-space:nowrap;padding:9px 14px;background:#fff;border-radius:999px;border:1px solid rgba(124,58,237,.14)}.accent-box{background:linear-gradient(135deg,rgba(167,139,250,.16),rgba(20,184,166,.12));border:1px solid rgba(124,58,237,.14);border-radius:26px;padding:28px}.three-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-block{background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:22px;padding:22px}.wide-narrow{display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:start}.side-index{position:sticky;top:104px;background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:20px;padding:18px}.side-index a{display:block;padding:8px 0;color:#5B5678}.side-index a:hover{color:#7C3AED}.article-list article{padding:26px 0;border-top:1px solid rgba(124,58,237,.14)}.article-list h2{font-size:28px}.mini-note{font-size:13px;color:#8B86A3}.color-number{font-weight:900;color:#E11D48}.rights-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px}.rights-grid article{padding:24px;border-radius:24px;background:#fff;border:1px solid rgba(124,58,237,.14)}.rights-grid article:nth-child(2){background:#EEF2FF}.rights-grid article:nth-child(3){background:#fff7ed}.focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(124,58,237,.38);outline-offset:3px}
@media(max-width:980px){.desktop-island{display:none}.mobile-top{position:fixed;top:10px;left:12px;right:12px;height:58px;background:rgba(255,255,255,.96);border:1px solid rgba(124,58,237,.14);border-radius:22px;display:grid;grid-template-columns:48px 1fr 58px;align-items:center;padding:5px 8px;box-shadow:0 16px 40px rgba(49,46,129,.10);z-index:50}.mobile-brand{display:flex;justify-content:center;align-items:center}.mobile-brand img{width:auto;max-width:104px;max-height:38px}.mobile-app{display:flex;align-items:center;justify-content:center;height:42px;border-radius:999px;background:#EEF2FF;color:#7C3AED;font-weight:800;font-size:14px}main{padding-top:92px}.hero-grid,.split,.wide-narrow{grid-template-columns:1fr}.side-index{position:relative;top:auto}.mosaic{grid-template-columns:1fr 1fr;grid-template-areas:"a a" "b c"}.brick-grid{columns:2}.three-cols,.rights-grid{grid-template-columns:1fr 1fr}.footer-groups{grid-template-columns:repeat(3,1fr)}.feature-zig article{grid-template-columns:1fr}.feature-zig article:nth-child(even)>*:first-child{order:0}.mobile-bottom{position:fixed;left:14px;right:14px;bottom:max(10px,env(safe-area-inset-bottom));height:58px;padding:6px 8px;background:rgba(255,255,255,.96);border:1px solid rgba(124,58,237,.14);box-shadow:0 16px 40px rgba(49,46,129,.16);border-radius:22px;z-index:55;display:grid;grid-template-columns:repeat(5,1fr)}.mobile-bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:16px;font-size:11px;color:#5B5678}.mobile-bottom a span{font-size:18px;line-height:1}.mobile-bottom a.is-active{background:#EEF2FF;color:#7C3AED}.site-footer{padding-bottom:110px}}
@media(max-width:700px){.shell,.footer-inner{width:min(100% - 32px,1200px)}.section{padding:46px 0}.hero-title{font-size:40px}.page-title{font-size:36px}.lead{font-size:16px}.hero-grid,.split,.mosaic,.three-cols,.rights-grid{grid-template-columns:1fr}.mosaic{grid-template-areas:"a" "b" "c"}.brick-grid{columns:1}.number-item{grid-template-columns:54px 1fr}.number-item .num{font-size:34px}.big-index article{grid-template-columns:72px 1fr;gap:16px}.big-index .n{font-size:46px}.step,.step:nth-child(even){grid-template-columns:58px 1fr;margin-left:0;padding:22px}.index-links{grid-template-columns:1fr 1fr}.directory-panel{width:100%;max-height:82vh;border-radius:24px 24px 0 0}.directory-grid{grid-template-columns:1fr}.search-layer{top:0;left:0;transform:none;width:100%;height:100vh;background:#F7F4FF}.search-layer.is-open{transform:none}.search-card{height:100%;border-radius:0;border:0;padding:20px 16px}.footer-groups{grid-template-columns:repeat(2,1fr)}.footer-brand{align-items:flex-start}.kicker-strip{margin-right:-16px}.visual-card{padding:12px}.feature-zig article{padding:22px}}

.hero-grid>:only-child,.split>:only-child{grid-column:1/-1;max-width:820px}