:root{--blue:#0033A0;--blue2:#0052CC;--blue3:#002066;--ink:#0A1628;--text:#1E2A3A;--muted:#4A5568;--soft:#718096;--bg:#fff;--layer:#F5F7FA;--layer2:#EEF1F6;--line:rgba(0,51,160,.14);--line2:rgba(0,51,160,.32);--shadow:0 12px 36px rgba(0,33,102,.08);--glow:0 10px 28px rgba(0,51,160,.16);--max:1280px;--nav:72px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:#fff;color:var(--blue);padding:10px 14px;border-radius:10px;border:1px solid var(--line)}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-shell{height:var(--nav);max-width:var(--max);margin:auto;padding:0 24px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;min-width:84px;font-size:28px;font-weight:900;color:var(--blue)}.brand img,.panel-brand img,.footer-logo img{display:block;max-height:36px;max-width:112px;width:auto;height:auto}.desktop-nav{display:flex;align-items:center;gap:6px;flex:1}.desktop-nav a,.text-button{padding:10px 12px;border-radius:999px;border:0;background:transparent;color:var(--muted);font-weight:700}.desktop-nav a:hover,.desktop-nav a.is-active,.text-button:hover{background:#EEF4FF;color:var(--blue)}.nav-actions{display:flex;align-items:center;gap:8px}.primary-mini,.btn-primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:999px;color:#fff;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);box-shadow:var(--glow);font-weight:800}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border:1px solid var(--line2);border-radius:999px;color:var(--blue);font-weight:800;background:#fff}.icon-button{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.icon-button span{width:18px;height:2px;background:var(--ink);display:block}.mobile-menu-btn{display:none}.site-main{min-height:70vh}.container{max-width:var(--max);margin:auto;padding:0 24px}.section{padding:70px 0}.section.soft{background:var(--layer)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:900;letter-spacing:.08em;font-size:.86rem;text-transform:uppercase}.eyebrow:before{content:"";width:22px;height:2px;background:var(--blue)}h1,h2,h3{color:var(--ink);line-height:1.25;margin-top:0}h1{font-size:clamp(2.2rem,5vw,4.5rem);letter-spacing:-.04em}h2{font-size:clamp(1.6rem,3vw,2.5rem);letter-spacing:-.03em}h3{font-size:1.15rem}.lede{font-size:1.08rem;color:var(--muted);max-width:780px}.hero{padding:46px 0 36px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(310px,1fr);gap:28px;align-items:stretch}.hero-media{background:linear-gradient(145deg,#EEF4FF,#F8FAFC);border:1px solid var(--line);border-radius:24px;min-height:440px;overflow:hidden;display:flex;align-items:center;justify-content:center}.hero-media img{width:100%;height:100%;object-fit:contain;display:block}.hero-copy{background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center}.hero-copy h1{font-size:clamp(2.35rem,4vw,4rem);margin-bottom:16px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0}.mini-list{display:grid;gap:12px;margin-top:8px}.mini-list a{padding:14px 16px;background:var(--layer);border-radius:12px;border:1px solid transparent}.mini-list a:hover{border-color:var(--line2);background:#fff}.quick-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.quick-scroll{max-width:var(--max);margin:auto;padding:12px 24px;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}.quick-scroll::-webkit-scrollbar{display:none}.quick-scroll a{white-space:nowrap;padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-weight:700}.pill-grid{display:flex;flex-wrap:wrap;gap:12px}.pill{padding:14px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:0 6px 18px rgba(0,33,102,.04)}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.card p:last-child{margin-bottom:0}.media-card{overflow:hidden;padding:0}.media-card .media-slot{aspect-ratio:16/10;background:linear-gradient(145deg,#EAF1FF,#F5F7FA);display:flex;align-items:center;justify-content:center}.media-card .media-slot img{width:100%;height:100%;object-fit:cover}.media-card .content{padding:22px}.feature-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.feature-main{padding:34px;background:linear-gradient(145deg,#F7FAFF,#EEF4FF);border:1px solid var(--line);border-radius:20px}.feature-side{display:grid;gap:14px}.feature-side a{display:block;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}.number-list{display:grid;gap:14px}.number-item{display:grid;grid-template-columns:76px 1fr;gap:18px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line)}.number-item .num{font-size:2.1rem;font-weight:900;color:var(--blue)}.timeline{display:grid;gap:0;border-left:2px solid var(--line2);margin-left:15px}.timeline article{position:relative;padding:0 0 28px 30px}.timeline article:before{content:"";position:absolute;left:-8px;top:7px;width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--blue)}.article-list{display:grid;gap:18px}.article-list article{padding:28px;background:#fff;border:1px solid var(--line);border-radius:16px}.article-list article .tag{font-size:.82rem;font-weight:900;color:var(--blue)}.split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}.content-hero{padding:58px 0 32px;background:linear-gradient(180deg,#F8FAFD 0%,#fff 100%)}.content-hero .inner{max-width:900px}.content-body{max-width:900px;margin:auto}.content-body p{margin:0 0 1.1em}.content-body h2{margin-top:2.1em}.cover-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.cover-box{min-height:300px;background:#EEF4FF;border:1px solid var(--line);border-radius:20px;overflow:hidden;display:flex;align-items:center;justify-content:center}.cover-box img{width:100%;height:100%;object-fit:cover}.index-track{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px}.index-track article{flex:0 0 min(360px,82vw);background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.faq details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 18px;margin-bottom:12px}.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800;color:var(--ink)}.faq 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rgba(255,255,255,.1);border-radius:12px}.footer-bottom{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;border-top:1px solid rgba(255,255,255,.1);padding-top:22px}.overlay{position:fixed;inset:0;background:rgba(10,22,40,.42);z-index:1900;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-panel{position:fixed;right:0;top:0;height:100dvh;width:min(460px,88vw);background:#fff;z-index:2000;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:.25s;box-shadow:-20px 0 50px rgba(10,22,40,.18);overflow-y:auto}.channel-panel.is-open{transform:none;visibility:visible;pointer-events:auto}.panel-head{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);padding:16px 18px;display:flex;align-items:center;justify-content:space-between;z-index:2}.panel-brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--blue)}.panel-close,.search-close{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:28px;line-height:1}.channel-groups{padding:12px 18px 30px}.channel-groups section{padding:16px 0;border-bottom:1px solid var(--line)}.channel-groups h2{font-size:.9rem;color:var(--soft);text-transform:uppercase;letter-spacing:.08em}.channel-groups a{display:block;padding:10px 0}.channel-groups a strong,.channel-groups a span{display:block}.channel-groups a span{font-size:.88rem;color:var(--soft)}.search-panel{position:fixed;top:var(--nav);left:0;right:0;z-index:2100;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-15px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.search-box{max-width:980px;margin:auto;padding:26px 24px 34px}.search-head{display:flex;justify-content:space-between;align-items:center}.search-box label{font-weight:800;display:block;margin-bottom:8px}.search-box input{width:100%;height:54px;border:1px solid var(--line2);border-radius:14px;padding:0 16px;outline:none}.search-box input:focus{box-shadow:0 0 0 4px rgba(0,82,204,.12)}.search-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:14px 0}.search-tags button{border:1px solid var(--line);background:var(--layer);border-radius:999px;padding:7px 11px}.search-results{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.search-results a{padding:14px;border:1px solid var(--line);border-radius:12px;font-weight:800}.search-results a span{float:right;color:var(--soft);font-weight:600}.no-scroll{overflow:hidden}.mobile-bottom{display:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(0,82,204,.35);outline-offset:3px}@media(max-width:960px){.desktop-nav{display:none}.desktop-only{display:none!important}.mobile-menu-btn{display:flex}.nav-shell{padding:0 15px;justify-content:space-between;gap:10px}.brand{min-width:0;justify-content:center;flex:1}.nav-actions{min-width:66px;justify-content:flex-end}.hero-grid,.feature-grid,.split,.cover-grid{grid-template-columns:1fr}.hero-copy{order:-1}.hero-media{min-height:280px}.card-grid,.card-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-template-columns:1fr}.search-panel{top:0;height:100dvh;overflow:auto}.search-box{padding-top:20px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:1200;background:rgba(255,255,255,.97);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:54px;display:flex;align-items:center;justify-content:center;font-size:.82rem;font-weight:800}.mobile-bottom a.is-active{color:var(--blue);background:#EEF4FF}.site-footer{padding-bottom:110px}}@media(max-width:620px){:root{--nav:64px}.container{padding:0 15px}.section{padding:50px 0}.hero{padding-top:24px}.hero-copy{padding:24px}.hero-copy h1{font-size:2.45rem}.hero-media{min-height:220px}.card-grid,.card-grid.four{grid-template-columns:1fr}.section-head{display:block}.number-item{grid-template-columns:58px 1fr}.number-item .num{font-size:1.55rem}.footer-grid{grid-template-columns:1fr 1fr;gap:20px 12px}.search-results{grid-template-columns:1fr}.quick-scroll{padding-left:15px;padding-right:15px}.content-hero{padding-top:34px}.cover-box{min-height:220px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}