*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#333847;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.site-header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(79,110,247,.14)}.nav-shell{max-width:1280px;height:72px;margin:auto;padding:0 22px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand-logo{width:auto;height:38px;max-width:180px;object-fit:contain}.brand-word{font-size:21px;font-weight:900;color:#2a3f9d;letter-spacing:.02em}.desktop-nav{display:flex;align-items:center;gap:4px;min-width:0}.desktop-nav a{padding:9px 11px;border-radius:999px;color:#667085;font-weight:700;font-size:14px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{background:#eef3ff;color:#3b5bdb}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.nav-actions a,.nav-actions button{border:0;background:#fff;color:#333847;padding:10px 14px;border-radius:999px;font-weight:800;white-space:nowrap}.nav-actions button{border:1px solid rgba(0,0,0,.08)}.nav-actions .app-action{background:linear-gradient(135deg,#6B8AFF 0%,#4F6EF7 55%,#3B5BDB 100%);color:#fff;box-shadow:0 10px 24px rgba(79,110,247,.18)}.icon-button{display:none;border:0;background:transparent;width:44px;height:44px;padding:10px}.icon-button span{display:block;height:2px;background:#1a1f2e;margin:5px 0;border-radius:2px}main{min-height:55vh}.container{max-width:1280px;margin:auto;padding:0 22px}.section{padding:72px 0}.section-soft{background:#f5f8ff}.section-blue{background:#eef3ff}.section-dark{background:#151a28;color:#f0f3fa}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:900;letter-spacing:.14em;color:#4f6ef7;text-transform:uppercase}.section-dark .eyebrow{color:#b8c6ff}h1,h2,h3{color:#1a1f2e;line-height:1.22;margin:0 0 16px}h1{font-size:clamp(38px,5vw,70px);letter-spacing:-.04em}h2{font-size:clamp(28px,3.4vw,46px);letter-spacing:-.025em}h3{font-size:20px}.section-dark h1,.section-dark h2,.section-dark h3{color:#fff}p{margin:0 0 18px}.lead{font-size:18px;color:#667085;max-width:780px}.section-dark .lead{color:#c7ccda}.section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:34px}.section-head p{max-width:650px;margin:0;color:#667085}.hero{padding:48px 0 72px;background:linear-gradient(180deg,#fff 0,#f5f8ff 100%)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(320px,.9fr);gap:28px;align-items:stretch}.hero-media,.media-card{border-radius:28px;overflow:hidden;background:#eaf0ff;box-shadow:0 16px 42px rgba(79,110,247,.14);min-height:420px}.hero-media .media-image,.hero-media img{width:100%;height:100%;object-fit:contain;background:#eaf0ff}.hero-copy{background:#fff;border:1px solid rgba(79,110,247,.14);border-radius:28px;padding:34px;display:flex;flex-direction:column;justify-content:center}.hero-copy h1{font-size:clamp(36px,4vw,58px)}.hero-copy .brand-kicker{font-weight:900;color:#3b5bdb;margin-bottom:8px}.buttons{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:999px;font-weight:900;white-space:nowrap}.btn-primary{color:#fff;background:linear-gradient(135deg,#6B8AFF 0%,#4F6EF7 55%,#3B5BDB 100%);box-shadow:0 14px 28px rgba(79,110,247,.18)}.btn-secondary{background:#eef3ff;color:#2a3f9d;border:1px solid rgba(79,110,247,.14)}.mini-recs{display:grid;gap:10px;margin-top:12px}.mini-recs a{padding:14px 16px;border-radius:16px;background:#f7f7f8}.mini-recs b{display:block;color:#1a1f2e}.mini-recs span{font-size:13px;color:#667085}.quick-strip{max-width:1280px;margin:-28px auto 0;padding:0 22px;position:relative;z-index:2}.quick-scroll{display:flex;gap:10px;overflow:auto;padding:12px;background:#fff;border:1px solid rgba(0,0,0,.08);box-shadow:0 14px 40px rgba(30,40,80,.08);border-radius:18px;scrollbar-width:none}.quick-scroll::-webkit-scrollbar{display:none}.quick-scroll a{flex:0 0 auto;padding:8px 13px;border-radius:999px;background:#fff;color:#667085;font-weight:800;font-size:14px}.quick-scroll a:hover{background:#eef3ff;color:#3b5bdb}.pill-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.pill-card,.card{background:#fff;border:1px solid rgba(79,110,247,.14);border-radius:20px;padding:22px}.pill-card strong,.card h3{display:block;color:#1a1f2e}.pill-card span,.card p{color:#667085}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card-grid.two{grid-template-columns:repeat(2,1fr)}.card-grid.four{grid-template-columns:repeat(4,1fr)}.feature-split{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.media-card{min-height:360px}.media-card .media-image,.media-card img{display:block;width:100%;height:100%;object-fit:contain}.media-fallback{display:flex;align-items:center;justify-content:center;min-height:inherit;background:radial-gradient(circle at 25% 20%,#d6e0ff 0,transparent 35%),linear-gradient(135deg,#f5f8ff,#dce6ff);color:#4f6ef7;font-weight:900;letter-spacing:.12em}.index-list{counter-reset:item;display:grid;gap:12px}.index-list article{display:grid;grid-template-columns:62px 1fr;gap:14px;padding:18px;border-top:1px solid rgba(79,110,247,.14)}.index-list article:before{counter-increment:item;content:counter(item,decimal-leading-zero);font-weight:900;font-size:26px;color:#4f6ef7}.track{display:flex;gap:16px;overflow-x:auto;padding:4px 2px 14px;scroll-snap-type:x proximity}.track article{flex:0 0 min(360px,82vw);scroll-snap-align:start;background:#fff;border:1px solid rgba(79,110,247,.14);border-radius:22px;padding:22px}.timeline{display:grid;gap:0}.timeline article{display:grid;grid-template-columns:130px 1fr;gap:26px;padding:24px 0;border-top:1px solid rgba(79,110,247,.14)}.timeline b{color:#4f6ef7}.rank-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;counter-reset:rank}.rank-list article{counter-increment:rank;padding:26px;background:#fff;border-radius:22px;border:1px solid rgba(79,110,247,.14)}.rank-list article:before{content:counter(rank,decimal-leading-zero);font-size:48px;line-height:1;font-weight:900;color:#d6e0ff}.quote-card{padding:24px;border-left:4px solid #4f6ef7;background:#fff;border-radius:0 18px 18px 0}.notice{padding:18px 20px;border-radius:18px;background:#eef3ff;border:1px solid rgba(79,110,247,.14)}.article-prose{max-width:920px}.article-prose p{margin-bottom:20px}.article-prose h2{margin-top:42px}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid rgba(79,110,247,.14);border-radius:18px;padding:18px 20px}.faq-list summary{cursor:pointer;font-weight:900;color:#1a1f2e}.faq-list details p{margin:12px 0 0;color:#667085}.site-footer{background:#151a28;color:#f0f3fa;padding:58px 0 calc(28px + env(safe-area-inset-bottom))}.footer-inner{max-width:1280px;margin:auto;padding:0 22px}.footer-brand{display:grid;grid-template-columns:auto 180px 1fr;gap:18px;align-items:center;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.09)}.footer-logo{max-width:120px;max-height:40px;object-fit:contain}.footer-brand strong{display:block}.footer-brand span{display:block;font-size:11px;letter-spacing:.12em;color:#aeb7ca}.footer-brand p{margin:0;color:#aeb7ca;max-width:720px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:34px 0}.footer-grid h2{font-size:14px;color:#fff}.footer-grid a{display:block;padding:5px 0;color:#b7c0d2;font-size:14px}.footer-note{padding:20px;border-radius:16px;background:rgba(255,255,255,.05);color:#bdc5d5;font-size:14px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:26px;color:#9099aa;font-size:13px}.footer-bottom div{display:flex;gap:16px}.overlay{position:fixed;inset:0;z-index:980;background:rgba(12,16,28,.42);opacity:0;pointer-events:none;transition:opacity .18s}.overlay.show{opacity:1;pointer-events:auto}.channel-panel{position:fixed;right:0;top:0;bottom:0;z-index:1000;width:min(460px,88vw);background:#fff;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow:auto;padding:18px}.channel-panel.open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{display:flex;align-items:center;justify-content:space-between;position:sticky;top:-18px;background:#fff;padding:16px 0;z-index:2}.panel-brand img{max-width:150px;max-height:42px}.panel-brand strong{color:#2a3f9d;font-size:20px}.panel-close,.search-close{border:0;background:#f5f8ff;color:#1a1f2e;width:44px;height:44px;border-radius:50%;font-size:26px}.panel-group{padding:16px 0;border-top:1px solid rgba(0,0,0,.07)}.panel-group h2{font-size:14px;color:#98a2b3;text-transform:uppercase;letter-spacing:.1em}.panel-group a{display:block;padding:11px 10px;border-radius:14px}.panel-group a:hover{background:#f5f8ff}.panel-group b{display:block;color:#1a1f2e}.panel-group span{display:block;font-size:13px;color:#667085}.search-panel{position:fixed;left:0;right:0;top:72px;z-index:995;background:#fff;border-bottom:1px solid rgba(79,110,247,.14);box-shadow:0 16px 42px rgba(79,110,247,.14);visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-12px);transition:.18s}.search-panel.open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.search-inner{max-width:1180px;margin:auto;padding:28px 22px 34px}.search-head{display:flex;justify-content:space-between;gap:20px}.search-head h2{font-size:32px}.search-box{display:flex;align-items:center;gap:12px;background:#f5f8ff;border:1px solid rgba(79,110,247,.14);border-radius:18px;padding:12px 16px;margin:20px 0}.search-box span{font-weight:900;color:#4f6ef7}.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:18px;color:#1a1f2e}.search-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}.search-keywords button{border:1px solid rgba(79,110,247,.14);background:#fff;color:#667085;border-radius:999px;padding:7px 12px}.search-links{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.search-links a{padding:14px;border-radius:14px;background:#f7f7f8}.search-links b,.search-links span{display:block}.search-links span{font-size:12px;color:#667085}.mobile-bottom{display:none}.ui-open body{overflow:hidden}.subhero{padding:58px 0 42px;background:linear-gradient(180deg,#f5f8ff,#fff)}.subhero-grid{display:grid;grid-template-columns:1fr .86fr;gap:34px;align-items:center}.subhero .media-card{min-height:320px}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.tag{display:inline-flex;padding:7px 11px;border-radius:999px;background:#eef3ff;color:#3b5bdb;font-size:13px;font-weight:800}.status{display:inline-flex;padding:5px 10px;border-radius:999px;background:#eef3ff;color:#3b5bdb;font-size:12px;font-weight:900}.link-arrow{color:#3b5bdb;font-weight:900}.masonry{columns:3;column-gap:18px}.masonry article{break-inside:avoid;margin-bottom:18px;background:#fff;border:1px solid rgba(79,110,247,.14);border-radius:22px;padding:24px}.app-phone{max-width:360px;margin:auto;border:10px solid #151a28;border-radius:42px;padding:12px;background:#fff;box-shadow:0 22px 50px rgba(30,40,80,.15)}.app-phone .media-card{min-height:500px;border-radius:26px;box-shadow:none}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.process article{padding:22px;border-radius:20px;background:#fff;border:1px solid rgba(79,110,247,.14)}.process b{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:#eef3ff;color:#3b5bdb;margin-bottom:12px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-grid article{padding:24px;background:#fff;border:1px solid rgba(79,110,247,.14);border-radius:20px}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(79,110,247,.35);outline-offset:3px}@media(max-width:1040px){.desktop-nav{display:none}.icon-button{display:block}.hero-grid,.subhero-grid,.feature-split{grid-template-columns:1fr}.hero-copy{order:-1}.hero-media{min-height:300px}.card-grid.four{grid-template-columns:repeat(2,1fr)}.pill-grid{grid-template-columns:repeat(2,1fr)}.search-links{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){body{padding-bottom:72px}.site-header{position:fixed;left:0;right:0;top:0}.nav-shell{height:64px;padding:0 12px;display:grid;grid-template-columns:48px 1fr auto;gap:8px}.brand{justify-content:center}.brand-logo{height:34px;max-width:150px}.desktop-only,.search-open{display:none!important}.nav-actions{margin:0}.nav-actions .app-action{min-height:44px;padding:9px 14px}.icon-button{display:block}.hero{padding-top:98px}.subhero{padding-top:104px}.container,.quick-strip{padding-left:15px;padding-right:15px}.section{padding:52px 0}.hero-grid{gap:18px}.hero-copy{padding:24px;border-radius:22px}.hero-copy h1{font-size:40px}.hero-media{border-radius:22px;min-height:220px}.section-head{display:block}.section-head p{margin-top:10px}.pill-grid,.card-grid,.card-grid.two,.card-grid.four,.rank-list,.contact-grid,.process{grid-template-columns:1fr}.feature-split{gap:20px}.media-card{min-height:240px}.timeline article{grid-template-columns:1fr;gap:4px}.footer-brand{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-bottom{display:block}.footer-bottom div{margin-top:10px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:850;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.97);backdrop-filter:blur(16px);border-top:1px solid rgba(0,0,0,.08);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:#667085}.mobile-bottom span{font-size:18px;line-height:1.1}.mobile-bottom a.active{color:#4f6ef7;font-weight:900}.search-panel{top:0;bottom:0;overflow:auto;transform:translateY(8px)}.search-inner{padding-top:22px}.search-links{grid-template-columns:1fr}.masonry{columns:1}.app-phone{max-width:310px}.footer-grid a{min-height:38px}.quick-strip{margin-top:-18px}.track article{flex-basis:84vw}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}