*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#333847;background:#fff;line-height:1.72;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(1280px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(79,110,247,.12)}.topbar{height:72px;display:flex;align-items:center;gap:20px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content}.brand-logo{display:block;max-width:160px;height:38px;object-fit:contain}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,#6B8AFF,#4F6EF7 55%,#3B5BDB);color:#fff;font-weight:900;box-shadow:0 10px 26px rgba(79,110,247,.25)}.brand-text{font-weight:850;color:#1A1F2E;letter-spacing:.02em}.desktop-nav{display:flex;gap:6px;align-items:center}.desktop-nav a{padding:9px 12px;border-radius:999px;color:#667085;font-weight:650;font-size:15px}.desktop-nav a:hover,.desktop-nav a.active{color:#3B5BDB;background:#EEF3FF}.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.ghost-btn,.primary-btn,.icon-btn{border:0;min-height:44px;display:inline-flex;align-items:center;justify-content:center}.ghost-btn{padding:0 15px;border-radius:999px;background:#F5F8FF;color:#2A3F9D;font-weight:700}.ghost-btn:hover,.active-btn{background:#EAF0FF}.primary-btn{padding:0 20px;border-radius:999px;background:linear-gradient(135deg,#6B8AFF 0%,#4F6EF7 55%,#3B5BDB 100%);color:#fff;font-weight:800;box-shadow:0 12px 28px rgba(79,110,247,.18)}.primary-btn.small{min-height:42px;padding:0 17px}.secondary-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;border:1px solid rgba(79,110,247,.18);color:#2A3F9D;background:#fff;font-weight:750}.icon-btn{width:44px;border-radius:50%;background:#F5F8FF;color:#1A1F2E;font-size:20px}.mobile-only{display:none}main{min-height:60vh}.hero{padding:64px 0 36px}.hero-grid{display:grid;grid-template-columns:minmax(0,2.05fr) minmax(310px,.95fr);gap:28px;align-items:stretch}.hero-media,.image-slot{position:relative;overflow:hidden;border-radius:28px;background:linear-gradient(135deg,#EEF3FF,#D6E0FF);min-height:430px;border:1px solid rgba(79,110,247,.12)}.hero-media img,.image-slot img{width:100%;height:100%;display:block;object-fit:contain}.fallback-art{position:absolute;inset:0;display:grid;place-items:center;padding:40px;text-align:center;color:#2A3F9D}.fallback-art::before{content:"BLUEBERRY";font-size:clamp(40px,8vw,110px);font-weight:950;letter-spacing:.05em;opacity:.11}.hero-copy{padding:12px 0 12px 8px;display:flex;flex-direction:column;justify-content:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#4F6EF7;font-size:14px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.eyebrow::before{content:"";width:22px;height:3px;border-radius:99px;background:#4F6EF7}.hero h1,.page-hero h1{margin:12px 0 16px;color:#1A1F2E;font-size:clamp(36px,5vw,70px);line-height:1.07;letter-spacing:-.04em}.hero p,.page-hero p{color:#667085;font-size:17px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.mini-list{display:grid;gap:12px;margin-top:18px}.mini-list a{padding:14px 16px;border:1px solid rgba(79,110,247,.14);border-radius:16px;background:#fff}.mini-list b{display:block;color:#1A1F2E}.mini-list span{font-size:14px;color:#667085}.quick-strip{padding:12px 0 34px}.quick-scroll{display:flex;gap:9px;overflow-x:auto;padding:3px 0 8px;scrollbar-width:thin}.quick-scroll a{white-space:nowrap;padding:9px 13px;border:1px solid rgba(0,0,0,.08);border-radius:999px;background:#fff;color:#667085}.quick-scroll a:hover{color:#3B5BDB;border-color:rgba(79,110,247,.25);background:#EEF3FF}.section{padding:70px 0}.section.alt{background:#F5F8FF}.section.soft{background:#EEF3FF}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.section-head h2{margin:0;color:#1A1F2E;font-size:clamp(28px,3vw,44px);line-height:1.14;letter-spacing:-.025em}.section-head p{max-width:670px;margin:0;color:#667085}.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:#fff;border:1px solid rgba(79,110,247,.14);border-radius:22px;padding:24px;box-shadow:0 14px 40px rgba(30,40,80,.055)}.card h3{margin:0 0 10px;color:#1A1F2E;font-size:20px}.card p{margin:0;color:#667085}.card a.more,.text-link{display:inline-flex;margin-top:16px;color:#3B5BDB;font-weight:800}.chip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.chip-card{padding:18px;border-radius:18px;border:1px solid rgba(79,110,247,.14);background:#fff}.chip-card b{display:block;color:#1A1F2E}.chip-card p{font-size:14px;color:#667085;margin:6px 0 0}.feature-split{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.feature-main{padding:32px;border-radius:28px;background:linear-gradient(145deg,#2A3F9D,#4F6EF7 62%,#6B8AFF);color:#fff;min-height:360px;display:flex;flex-direction:column;justify-content:end;box-shadow:0 16px 42px rgba(79,110,247,.14)}.feature-main h3{font-size:34px;line-height:1.12;margin:8px 0 12px}.feature-main p{color:#eef3ff}.feature-main .eyebrow{color:#fff}.feature-main .eyebrow::before{background:#fff}.stack{display:grid;gap:14px}.stack .card{padding:18px}.poster-wall{display:grid;grid-template-columns:1.45fr repeat(2,.78fr);grid-auto-rows:220px;gap:16px}.poster-wall .tile{border-radius:24px;padding:24px;background:#fff;border:1px solid rgba(79,110,247,.14);display:flex;flex-direction:column;justify-content:end}.poster-wall .tile:first-child{grid-row:span 2;background:linear-gradient(160deg,#EAF0FF,#fff)}.poster-wall .tile h3{margin:0;color:#1A1F2E}.track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(250px,1fr);overflow-x:auto;gap:14px;padding-bottom:8px}.track article{min-height:220px;padding:22px;border-radius:22px;background:#fff;border:1px solid rgba(79,110,247,.14)}.track .num{font-size:46px;font-weight:950;color:#D6E0FF}.number-list{display:grid;gap:12px;counter-reset:item}.number-row{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid rgba(0,0,0,.08)}.number-row .n{font-size:32px;font-weight:950;color:#4F6EF7}.number-row h3{margin:0;color:#1A1F2E}.number-row p{margin:4px 0 0;color:#667085}.timeline{position:relative;display:grid;gap:18px}.timeline::before{content:"";position:absolute;left:18px;top:6px;bottom:6px;width:2px;background:#D6E0FF}.timeline article{position:relative;padding:0 0 0 54px}.timeline article::before{content:"";position:absolute;left:10px;top:10px;width:18px;height:18px;border-radius:50%;background:#4F6EF7;box-shadow:0 0 0 6px #EEF3FF}.timeline h3{margin:0}.status{display:inline-flex;padding:5px 10px;border-radius:999px;background:#EEF3FF;color:#3B5BDB;font-size:13px;font-weight:800}.magazine{display:grid;grid-template-columns:1.2fr .8fr;grid-template-areas:"a b" "a c";gap:18px}.magazine article{padding:28px;border-radius:24px;border:1px solid rgba(79,110,247,.14);background:#fff}.magazine article:first-child{grid-area:a;background:#F5F8FF;min-height:390px}.magazine article:nth-child(2){grid-area:b}.magazine article:nth-child(3){grid-area:c}.article-list{display:grid;gap:18px}.article-list article{display:grid;grid-template-columns:180px 1fr;gap:22px;padding:24px 0;border-bottom:1px solid rgba(0,0,0,.08)}.article-list .kicker{color:#4F6EF7;font-weight:850}.article-list h2,.article-list h3{margin:0 0 8px;color:#1A1F2E}.knowledge-index{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.knowledge-index a{padding:24px;border-radius:22px;background:#F5F8FF;border:1px solid rgba(79,110,247,.12)}.knowledge-index b{display:block;color:#1A1F2E;font-size:19px}.knowledge-index span{display:block;color:#667085;margin-top:8px}.page-hero{padding:72px 0 42px;background:linear-gradient(180deg,#fff,#F5F8FF)}.page-hero .inner{max-width:880px}.page-hero .image-slot{margin-top:30px;min-height:360px}.prose{max-width:900px}.prose h2{font-size:28px;color:#1A1F2E;margin:36px 0 12px}.prose p{color:#4b5262}.app-showcase{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:center}.phone-art{min-height:520px;border-radius:42px;padding:18px;background:#151A28;box-shadow:0 24px 70px rgba(21,26,40,.18)}.phone-art .image-slot{height:100%;min-height:484px;border-radius:30px;background:#fff}.policy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.policy-grid article{padding:28px;border-radius:22px;background:#fff;border:1px solid rgba(79,110,247,.14)}.faq details{border:1px solid rgba(79,110,247,.14);border-radius:18px;background:#fff;padding:0 20px;margin:12px 0}.faq summary{cursor:pointer;font-weight:800;color:#1A1F2E;padding:18px 0}.faq p{padding:0 0 20px;margin:0;color:#667085}.notice{padding:20px 22px;border-radius:18px;background:#EEF3FF;border:1px solid rgba(79,110,247,.14);color:#2A3F9D}.site-footer{background:#151A28;color:#F0F3FA;padding:58px 0 20px}.footer-top{display:grid;grid-template-columns:1fr 2fr;gap:54px}.footer-brand p{color:#adb7ca;max-width:360px}.footer-brand strong{display:block;margin-top:12px;font-size:13px;letter-spacing:.12em}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.footer-links h2{font-size:15px;margin:0 0 12px;color:#fff}.footer-links a{display:block;color:#b9c2d3;padding:5px 0;font-size:14px}.footer-links a:hover{color:#fff}.footer-note{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:22px;display:flex;justify-content:space-between;gap:30px;color:#929db2;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(15,20,35,.48);z-index:100;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.channel-drawer{position:fixed;top:0;right:0;bottom:0;width:min(460px,88vw);background:#fff;z-index:110;transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s}.channel-drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(0,0,0,.08)}.drawer-scroll{height:calc(100% - 72px);overflow-y:auto;padding:22px}.drawer-scroll section{margin-bottom:26px}.drawer-scroll h2{font-size:14px;color:#98A2B3;text-transform:uppercase;letter-spacing:.06em}.drawer-scroll a{display:block;padding:11px 0;border-bottom:1px solid rgba(0,0,0,.06)}.drawer-scroll b{display:block;color:#1A1F2E}.drawer-scroll span{display:block;color:#667085;font-size:13px;margin-top:2px}.search-panel{position:fixed;left:0;right:0;top:72px;z-index:105;background:#fff;box-shadow:0 24px 70px rgba(30,40,80,.16);transform:translateY(-20px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.search-inner{padding:26px 0 34px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head h2{margin:0;color:#1A1F2E}.search-box{display:flex;align-items:center;gap:12px;background:#F5F8FF;border:1px solid rgba(79,110,247,.14);border-radius:18px;padding:0 16px;margin:18px 0}.search-box input{width:100%;height:54px;border:0;background:transparent;outline:0;color:#1A1F2E}.search-tags{display:flex;gap:8px;flex-wrap:wrap}.search-tags button{border:1px solid rgba(79,110,247,.14);background:#fff;border-radius:999px;padding:8px 11px;color:#667085}.search-results{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px}.search-results a{padding:14px;border-radius:14px;background:#F5F8FF}.search-results b{display:block;color:#1A1F2E}.search-results span{display:block;font-size:13px;color:#667085}.mobile-bottom{display:none}.muted{color:#667085}.center{text-align:center}.mt-20{margin-top:20px}.mt-30{margin-top:30px}.ratio-wide{aspect-ratio:16/8}.ratio-poster{aspect-ratio:4/5}.accent-box{padding:28px;border-radius:24px;background:#2A3F9D;color:#fff}.accent-box p{color:#EEF3FF}.quote{font-size:clamp(26px,4vw,46px);line-height:1.3;color:#1A1F2E;font-weight:800;letter-spacing:-.02em}.compact-list{display:grid;gap:10px;padding:0;list-style:none}.compact-list li{padding:14px 16px;border-radius:14px;background:#F7F7F8}.two-col-text{columns:2;column-gap:34px}.two-col-text p{break-inside:avoid}.safe-link{color:#3B5BDB;font-weight:800}
@media(max-width:980px){.desktop-nav{display:none}.desktop-actions .ghost-btn{display:none}.hero-grid,.feature-split,.app-showcase,.footer-top,.magazine{grid-template-columns:1fr}.hero-copy{padding:0}.hero-media{min-height:330px}.grid-4,.chip-grid{grid-template-columns:repeat(2,1fr)}.grid-3,.knowledge-index{grid-template-columns:repeat(2,1fr)}.poster-wall{grid-template-columns:1fr 1fr}.poster-wall .tile:first-child{grid-column:1/-1;grid-row:auto}.footer-links{grid-template-columns:repeat(2,1fr)}.search-results{grid-template-columns:repeat(2,1fr)}.magazine{grid-template-areas:none}.magazine article:first-child,.magazine article:nth-child(2),.magazine article:nth-child(3){grid-area:auto;min-height:auto}.article-list article{grid-template-columns:130px 1fr}}
@media(max-width:680px){.shell{width:min(100% - 30px,1280px)}.topbar{height:64px;justify-content:space-between}.mobile-only{display:inline-flex}.desktop-actions{display:none}.brand{justify-content:center}.brand-logo{max-width:130px;height:32px}.site-header .brand-text{font-size:16px}.site-header .brand-mark{width:34px;height:34px}.hero{padding:30px 0 22px}.hero-grid{display:flex;flex-direction:column}.hero-copy{order:1}.hero-media{order:2;min-height:250px;border-radius:22px}.hero h1,.page-hero h1{font-size:38px}.hero p,.page-hero p{font-size:15px}.mini-list{order:3}.section{padding:48px 0}.section-head{display:block}.section-head p{margin-top:10px}.grid-2,.grid-3,.grid-4,.chip-grid,.knowledge-index,.policy-grid{grid-template-columns:1fr}.poster-wall{grid-template-columns:1fr;grid-auto-rows:auto}.poster-wall .tile{min-height:180px}.track{grid-auto-columns:82%}.number-row{grid-template-columns:48px 1fr}.number-row>a{grid-column:2}.feature-main{min-height:300px;padding:25px}.page-hero{padding:44px 0 30px}.page-hero .image-slot{min-height:240px}.phone-art{min-height:400px}.phone-art .image-slot{min-height:364px}.footer-top{gap:28px}.footer-links{grid-template-columns:1fr 1fr}.footer-note{display:block;padding-bottom:72px}.search-panel{top:0;bottom:0;overflow:auto}.search-inner{padding-top:18px}.search-results{grid-template-columns:1fr}.channel-drawer{width:88vw}.article-list article{display:block}.article-list .kicker{display:block;margin-bottom:8px}.two-col-text{columns:1}.mobile-bottom{position:fixed;z-index:90;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-top:1px solid rgba(79,110,247,.14);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;color:#98A2B3;font-size:11px}.mobile-bottom a span{font-size:18px;line-height:1}.mobile-bottom a.active{color:#4F6EF7;font-weight:800}.site-footer{padding-bottom:0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(79,110,247,.42);outline-offset:3px}
