:root{--brand:#5B4BDB;--brand-2:#8B7CF6;--ink:#1E1B2E;--text:#292734;--muted:#6F6B7A;--bg:#F7F7FB;--soft:#EFEFFC;--accent:#F05A7E;--line:#DDDCEA;--white:#fff;--radius:20px;--shadow:0 18px 50px rgba(30,27,46,.08);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-60px;background:var(--ink);color:#fff;padding:10px 16px;z-index:1000;border-radius:10px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,247,251,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,220,234,.8)}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.18rem;color:var(--ink)}.brand img{width:44px;height:44px;object-fit:cover;border-radius:13px}.site-nav{display:flex;align-items:center;gap:6px}.site-nav a{padding:10px 13px;border-radius:11px;color:var(--muted);font-weight:650}.site-nav a:hover,.site-nav a:focus-visible{background:var(--soft);color:var(--brand)}.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);padding:9px 13px;border-radius:10px}.hero{display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center;padding-block:72px 58px}.hero-copy{max-width:640px}.eyebrow{margin:0 0 10px;color:var(--brand);font-size:.84rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero h1,.page-hero h1{font-size:clamp(2.3rem,5vw,4.7rem);line-height:1.05;letter-spacing:-.045em;color:var(--ink);margin:.1em 0 .32em}.page-hero.compact h1{font-size:clamp(2.2rem,4.2vw,4rem)}.lead{font-size:clamp(1.05rem,1.8vw,1.25rem);color:var(--muted);max-width:760px}.hero-media{margin:0;padding:18px;border-radius:32px;background:linear-gradient(145deg,#fff,#eceafb);box-shadow:var(--shadow)}.hero-media img{border-radius:22px;aspect-ratio:3/2;object-fit:cover}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border:1px solid var(--line);border-radius:13px;background:var(--white);font-weight:750;color:var(--ink);cursor:pointer}.button.primary{border-color:var(--brand);background:var(--brand);color:#fff}.button:hover{transform:translateY(-1px)}.button:focus-visible,.filter:focus-visible,.menu-toggle:focus-visible,.site-nav a:focus-visible,a:focus-visible{outline:3px solid rgba(91,75,219,.28);outline-offset:3px}.quick-links{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);margin-top:22px;font-size:.94rem}.quick-links a:hover{color:var(--brand)}.section{padding-block:72px}.split-intro{display:grid;grid-template-columns:1fr .8fr;gap:64px;align-items:center}.split-intro h2,.section-head h2,.topic-ribbon h2,.article-list>h2,.prose h2{color:var(--ink);line-height:1.18;letter-spacing:-.025em}.split-intro h2,.section-head h2,.topic-ribbon h2{font-size:clamp(1.8rem,3.5vw,3rem);margin:.25em 0}.split-intro img{border-radius:26px;box-shadow:var(--shadow);aspect-ratio:14/9;object-fit:cover}.text-link{display:inline-block;margin-top:8px;color:var(--brand);font-weight:800}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.content-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:.2s ease}.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.content-card img{width:100%;aspect-ratio:1.62;object-fit:cover}.card-body{padding:20px}.card-body h3{font-size:1.2rem;line-height:1.35;margin:6px 0 10px;color:var(--ink)}.card-body p:last-child{margin-bottom:0;color:var(--muted);font-size:.94rem}.meta-line{color:var(--brand);font-size:.78rem;font-weight:800;letter-spacing:.045em;margin:0}.soft{background:var(--soft)}.topic-ribbon{display:flex;align-items:center;justify-content:space-between;gap:50px}.topic-ribbon>div{max-width:760px}.faq-preview{padding-bottom:92px}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:6px 18px}.faq-list summary{cursor:pointer;font-weight:780;padding:13px 0;color:var(--ink)}.faq-list p{color:var(--muted);margin-top:2px}.site-footer{background:var(--ink);color:#d9d7e7;margin-top:70px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:40px;padding-block:52px}.footer-grid strong{color:#fff;font-size:1.4rem}.footer-grid p{max-width:500px;color:#bdb9ce}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:9px}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 30px;color:#a9a5bb;font-size:.88rem}.page-layout{padding-top:52px}.page-hero{padding:38px 0 42px}.page-hero.compact{max-width:900px}.notice-panel{background:var(--soft);border:1px solid #dbd8fa;border-radius:22px;padding:26px 28px;display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:56px}.notice-panel p{margin:.3em 0 0;color:var(--muted)}.article-list{margin-block:28px 72px}.article-list>h2{font-size:2rem}.list-row{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.list-row h3{margin:5px 0 6px;font-size:1.3rem;color:var(--ink)}.list-row p:last-child{margin:0;color:var(--muted)}.list-row>span{color:var(--brand);font-weight:800}.image-note{display:grid;grid-template-columns:.86fr 1.14fr;gap:48px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px}.image-note img{border-radius:18px;aspect-ratio:1.55;object-fit:cover}.image-note h2{font-size:2rem;line-height:1.2;color:var(--ink)}.together-hero{display:grid;grid-template-columns:1fr .78fr;gap:58px;align-items:center;padding-block:56px}.together-hero img{border-radius:30px;box-shadow:var(--shadow)}.timeline-list{max-width:970px;margin:auto}.timeline-list article{display:grid;grid-template-columns:70px 1fr;gap:26px;padding:30px 0;border-bottom:1px solid var(--line)}.timeline-list .step{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:var(--soft);color:var(--brand);font-weight:900}.timeline-list h2{font-size:1.55rem;line-height:1.3;margin:5px 0 8px;color:var(--ink)}.timeline-list p{color:var(--muted)}.tags{display:flex;flex-wrap:wrap;gap:7px}.tags span{font-size:.76rem;font-weight:750;color:var(--brand);background:var(--soft);padding:4px 9px;border-radius:999px}.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin:12px 0 28px}.filter{border:1px solid var(--line);background:#fff;color:var(--muted);padding:9px 14px;border-radius:999px;cursor:pointer;font-weight:750}.filter.active{background:var(--brand);color:#fff;border-color:var(--brand)}.dense-list{display:grid;gap:14px}.dense-list article{display:grid;grid-template-columns:240px 1fr;gap:22px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px}.dense-list img{width:100%;height:100%;max-height:170px;object-fit:cover;border-radius:13px}.dense-list h2{font-size:1.35rem;line-height:1.35;margin:5px 0 7px;color:var(--ink)}.dense-list p{margin:.2em 0 .8em;color:var(--muted)}.no-filter-results,.empty-note{padding:24px;border-radius:16px;background:var(--soft);color:var(--muted)}.app-hero{display:grid;grid-template-columns:1fr .72fr;gap:54px;align-items:center}.app-hero img{border-radius:26px;box-shadow:var(--shadow)}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:20px 0 58px}.steps-grid article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px}.steps-grid span{color:var(--accent);font-weight:900}.steps-grid h2{font-size:1.3rem;color:var(--ink)}.steps-grid p{color:var(--muted)}.page-narrow{max-width:920px;padding-top:50px}.wide-image{width:100%;border-radius:24px;margin:8px 0 38px;aspect-ratio:1.9;object-fit:cover}.prose{font-size:1.06rem}.prose p{margin:1em 0;color:#3f3b49}.prose h2{margin-top:1.8em;font-size:1.75rem}.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:54px;padding-top:44px}.article-main header h1{font-size:clamp(2.1rem,4.6vw,4.2rem);line-height:1.08;letter-spacing:-.04em;color:var(--ink);margin:.2em 0}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.86rem;margin-bottom:26px}.breadcrumbs a:hover{color:var(--brand)}.article-cover{width:100%;border-radius:26px;margin:30px 0;aspect-ratio:1.7;object-fit:cover}.article-side{position:relative}.side-box{position:sticky;top:98px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;margin-bottom:16px;display:flex;flex-direction:column;gap:11px}.side-box strong{color:var(--ink);margin-bottom:4px}.side-box a{color:var(--muted);font-size:.92rem}.side-box a:hover{color:var(--brand)}.search-form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin-bottom:34px}.search-form label{display:block;font-weight:800;margin-bottom:8px;color:var(--ink)}.search-form>div{display:flex;gap:10px}.search-form input{flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--bg);color:var(--ink)}.search-form input:focus{outline:3px solid rgba(91,75,219,.2);border-color:var(--brand)}.search-results{padding-bottom:60px}.search-results h2{font-size:1.8rem;color:var(--ink)}.search-results article{padding:20px 0;border-bottom:1px solid var(--line)}.search-results h3{margin:5px 0 6px;font-size:1.25rem;color:var(--ink)}.search-results p{color:var(--muted)}.empty-state{margin:90px 0;padding:44px;background:#fff;border:1px solid var(--line);border-radius:24px}.empty-state h1{font-size:2.4rem;color:var(--ink);margin:.2em 0}.empty-state p{color:var(--muted)}
@media (max-width:960px){.hero,.split-intro,.together-hero,.app-hero,.article-layout{grid-template-columns:1fr}.hero{gap:32px;padding-top:44px}.hero-media{max-width:720px}.content-grid{grid-template-columns:repeat(2,1fr)}.article-layout{gap:20px}.article-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}.side-box{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.steps-grid{grid-template-columns:1fr}.image-note{grid-template-columns:1fr}.dense-list article{grid-template-columns:190px 1fr}}
@media (max-width:760px){.shell{width:min(calc(100% - 28px),var(--max))}.header-inner{min-height:66px}.menu-toggle{display:inline-flex}.site-nav{position:absolute;left:14px;right:14px;top:68px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;border-radius:16px}.site-nav.is-open{display:flex}.site-nav a{padding:12px 14px}.hero,.section,.together-hero{padding-block:44px}.hero h1,.page-hero h1{font-size:clamp(2.15rem,11vw,3.25rem)}.content-grid{grid-template-columns:1fr}.section-head,.topic-ribbon,.notice-panel{align-items:flex-start;flex-direction:column}.timeline-list article{grid-template-columns:52px 1fr;gap:14px}.timeline-list .step{width:44px;height:44px}.dense-list article{grid-template-columns:1fr}.dense-list img{max-height:none;aspect-ratio:1.7}.article-side{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.search-form>div{flex-direction:column}.quick-links{font-size:.88rem}.site-footer{margin-top:46px}}
@media (max-width:480px){.hero-media{padding:10px;border-radius:22px}.hero-media img{border-radius:16px}.button{width:100%}.actions{display:grid;grid-template-columns:1fr}.timeline-list article{grid-template-columns:1fr}.timeline-list .step{margin-bottom:3px}.image-note{padding:16px}.empty-state{padding:28px}.content-card,.dense-list article{border-radius:16px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}


/* Component refinements used across content-heavy layouts */
.content-card h3 a,.list-row h3 a,.dense-list h2 a,.timeline-list h2 a,.search-results h3 a{background-image:linear-gradient(currentColor,currentColor);background-size:0 1px;background-position:0 100%;background-repeat:no-repeat;transition:background-size .18s ease}.content-card h3 a:hover,.list-row h3 a:hover,.dense-list h2 a:hover,.timeline-list h2 a:hover,.search-results h3 a:hover{background-size:100% 1px}.page-hero .lead{margin-bottom:0}.page-layout>.page-hero:first-child{padding-top:18px}.content-card:focus-within,.dense-list article:focus-within,.list-row:focus-within{border-color:#b9b2f8;box-shadow:0 0 0 4px rgba(91,75,219,.08)}.filter[aria-pressed="true"]{background:var(--brand);color:#fff;border-color:var(--brand)}.site-nav a[aria-current="page"]{background:var(--soft);color:var(--brand)}.article-main .tags{margin:18px 0 4px}.article-main .prose{max-width:760px}.prose ul,.prose ol{padding-left:1.35em}.prose li+li{margin-top:.5em}.prose blockquote{margin:1.5em 0;padding:1px 0 1px 18px;border-left:4px solid var(--brand-2);color:var(--muted)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff}.table-wrap table{width:100%;border-collapse:collapse;min-width:620px}.table-wrap th,.table-wrap td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left}.table-wrap th{background:var(--soft);color:var(--ink)}.status-note{border-left:4px solid var(--accent);background:#fff4f7;padding:14px 16px;border-radius:0 12px 12px 0}.pill-nav{display:flex;gap:8px;overflow:auto;padding:4px 0 10px;scrollbar-width:thin}.pill-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:8px 12px;background:#fff;color:var(--muted)}.pill-nav a:hover{color:var(--brand);border-color:#bdb6fa}.media-row{display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:start}.media-row img{border-radius:14px;aspect-ratio:1.45;object-fit:cover}.mini-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.8rem}.divider{height:1px;background:var(--line);margin:34px 0}.callout{display:grid;grid-template-columns:auto 1fr;gap:14px;background:var(--soft);border-radius:16px;padding:18px}.callout-icon{width:40px;height:40px;border-radius:12px;background:#fff;display:grid;place-items:center;color:var(--brand);font-weight:900}.callout h3{margin:0;color:var(--ink)}.callout p{margin:.3em 0 0;color:var(--muted)}.kicker{color:var(--accent);font-weight:800;font-size:.8rem}.stateless-badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:5px 9px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:.76rem}.stateless-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-2)}.link-stack{display:grid;gap:10px}.link-stack a{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line)}.link-stack a::after{content:"→";color:var(--brand)}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}@media(max-width:640px){.media-row{grid-template-columns:1fr}.pill-nav{margin-right:-14px;padding-right:14px}.callout{grid-template-columns:1fr}.callout-icon{width:36px;height:36px}}