:root{--bg:#fff;--deep:#f5f7fa;--panel:#fff;--soft:#eef1f6;--title:#0a1628;--text:#1e2a3a;--muted:#4a5568;--sub:#718096;--blue:#0033a0;--bright:#0052cc;--dark:#002066;--line:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.76;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:1200;background:#fff;color:var(--blue);border:1px solid var(--blue);padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-fixed-header{position:fixed;left:0;right:0;top:0;z-index:900;background:#fff}.blue-line{height:22px;background:var(--dark);color:#fff;font-size:12px}.blue-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.micro-brand{font-weight:700;letter-spacing:.08em}.text-action{height:22px;border:0;background:transparent;color:#fff;padding:0 6px}.masthead{height:68px;border-bottom:1px solid var(--line);background:#fff}.masthead-inner{height:68px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-home{justify-self:start;min-width:80px;height:44px;display:flex;align-items:center}.brand-logo{max-height:36px;width:auto;object-fit:contain}.brand-fallback{font-size:28px;font-weight:900;color:var(--dark);letter-spacing:-.04em}.catalog-button{min-width:92px;height:44px;border:1px solid var(--blue);background:#fff;color:var(--blue);border-radius:10px;font-weight:800}.app-link{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 16px;border-radius:10px;background:linear-gradient(135deg,#0052cc 0%,#0033a0 50%,#002066 100%);color:#fff;font-weight:800}.section-tabs{height:44px;background:var(--deep);border-bottom:1px solid var(--line)}.tabs-inner{height:44px;display:flex;align-items:center;gap:8px;overflow:hidden}.tabs-inner a{height:30px;display:inline-flex;align-items:center;padding:0 12px;border-radius:7px;color:var(--muted);font-weight:700;font-size:14px}.tabs-inner a.active{background:var(--blue);color:#fff}.site-main{padding-top:134px;min-height:65vh}.page-hero{padding:54px 0 34px;background:linear-gradient(180deg,var(--deep),#fff)}.eyebrow{font-size:13px;color:var(--blue);font-weight:900;letter-spacing:.14em}.page-hero h1,.home-copy h1{margin:8px 0 14px;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.2;letter-spacing:-.03em}.lead{max-width:820px;margin:0;color:var(--muted);font-size:17px}.content-section{padding:44px 0}.content-section.soft{background:var(--deep)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-heading h2{margin:0;color:var(--title);font-size:24px;line-height:1.25}.section-heading p{margin:0;max-width:640px;color:var(--muted)}.grid-2,.grid-3,.grid-4,.grid-6{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))}.grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.card h2,.card h3{color:var(--title);margin:0 0 9px;line-height:1.3}.card p{margin:0;color:var(--muted)}.card a.more,.text-link{display:inline-flex;min-height:44px;align-items:center;color:var(--blue);font-weight:800;margin-top:12px}.primary-btn,.secondary-btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;font-weight:800}.primary-btn{background:linear-gradient(135deg,#0052cc 0%,#0033a0 50%,#002066 100%);color:#fff}.secondary-btn{background:#fff;color:var(--blue);border:1px solid var(--blue)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.hero-media,.media-slot,.wide-media,.column-media,.app-media{background:var(--soft);border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-media{width:min(var(--max),calc(100% - 40px));margin:26px auto 0;max-height:300px;aspect-ratio:16/9}.hero-media img,.media-slot img,.wide-media img,.column-media img,.app-media img{width:100%;height:100%;object-fit:contain;object-position:center}.home-copy{padding:26px 0 44px}.home-copy .brand-kicker{font-size:14px;font-weight:900;color:var(--blue)}.home-copy p{max-width:860px;color:var(--muted)}.tag-grid .tag-card{position:relative;padding-top:52px}.tag-mark{position:absolute;left:20px;top:18px;width:24px;height:24px;border-radius:6px;background:var(--bright)}.tag-card:nth-child(even) .tag-mark{background:var(--dark)}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:18px 0;border-top:1px solid var(--line)}.number-item:first-child{border-top:0}.number{font-size:30px;line-height:1;color:var(--blue);font-weight:900}.number-item h3{margin:0 0 6px;color:var(--title)}.number-item p{margin:0;color:var(--muted)}.columns-with-media{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:center}.column-media{min-height:220px;max-height:340px}.media-slot{height:210px;margin-bottom:16px}.wide-media{height:260px;margin-bottom:22px}.app-media{max-height:420px;min-height:300px}.shelf-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.shelf-row{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);padding:18px;border-radius:10px}.shelf-row h3{margin:0 0 6px;color:var(--title)}.shelf-row p{margin:0;color:var(--muted)}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--line)}.timeline-item{position:relative;padding:0 0 28px 24px}.timeline-item:before{content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #e8efff}.timeline-item h3{margin:0 0 6px;color:var(--title)}.timeline-item p{margin:0;color:var(--muted)}.status{display:inline-flex;min-height:30px;align-items:center;padding:0 10px;border-radius:8px;background:var(--soft);color:var(--blue);font-size:13px;font-weight:900;margin-bottom:8px}.article-copy{max-width:860px}.article-copy h2{margin:32px 0 8px;color:var(--title);font-size:22px}.article-copy p{margin:0 0 16px;color:var(--text)}.article-copy .opinion{border-left:4px solid var(--blue);background:var(--deep);padding:16px 18px;border-radius:0 12px 12px 0;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{border:1px solid var(--line);border-radius:12px;padding:20px;background:#fff}.faq-item h2,.faq-item h3{margin:0 0 10px;color:var(--title);font-size:18px}.faq-item p{margin:0;color:var(--muted)}.notice{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--deep);color:var(--muted)}.catalog-panel,.search-layer{position:fixed;left:0;right:0;z-index:1020;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .18s ease,visibility .18s ease}.catalog-panel{top:90px;background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow);max-height:calc(100vh - 90px);overflow:auto}.catalog-panel.open,.search-layer.open{visibility:visible;pointer-events:auto;opacity:1}.catalog-shell{width:min(var(--max),calc(100% - 40px));margin:0 auto;padding:20px 0 28px}.catalog-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.catalog-brand{display:flex;align-items:center;gap:12px}.catalog-logo{max-height:32px;width:auto}.close-button{min-height:44px;padding:0 14px;border:1px solid var(--blue);background:#fff;color:var(--blue);border-radius:9px;font-weight:800}.catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:20px}.catalog-grid h2{font-size:14px;color:var(--blue);letter-spacing:.08em}.catalog-grid a{display:block;padding:10px 0;border-top:1px solid var(--line)}.catalog-grid a strong{display:block;color:var(--title);font-size:15px}.catalog-grid a span{display:block;color:var(--sub);font-size:13px;line-height:1.5;margin-top:3px}.search-layer{top:90px;padding:18px}.search-card{width:min(760px,100%);margin:0 auto;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:22px}.search-box{margin-top:18px;min-height:52px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;padding:0 16px;color:var(--sub);background:var(--deep)}.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.quick-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--line);border-radius:9px;color:var(--blue);font-weight:700}.overlay{position:fixed;inset:0;background:rgba(10,22,40,.38);z-index:1000;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,visibility .18s ease}.overlay.visible{opacity:1;visibility:visible;pointer-events:auto}.layer-open{overflow:hidden}.site-footer{background:#0a1628;color:#a0aec0;padding:48px 0 80px}.footer-top{display:grid;gap:26px}.footer-brand{display:flex;align-items:center;gap:14px}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{color:#fff;font-size:22px}.footer-logo{max-height:32px;width:auto}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.footer-groups h2{font-size:14px;color:#fff;margin:0 0 10px}.footer-groups a{display:block;color:#cbd5e0;min-height:36px;padding:4px 0}.footer-note,.copyright{margin:0;max-width:900px}.mobile-bottom-nav{display:none}a:hover,.text-action:hover{opacity:.82}a:focus-visible,button:focus-visible{outline:3px solid rgba(0,82,204,.32);outline-offset:3px}
@media(max-width:900px){.grid-4,.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.grid-6{grid-template-columns:repeat(2,minmax(0,1fr))}.columns-with-media{grid-template-columns:1fr}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.wrap{width:min(100% - 32px,var(--max))}.section-tabs{display:none}.site-main{padding-top:90px;padding-bottom:58px}.masthead-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.brand-home{min-width:0}.brand-logo{max-height:30px;max-width:100px}.brand-fallback{font-size:24px}.catalog-button{min-width:72px;padding:0 10px}.app-link{padding:0 10px;font-size:14px}.page-hero{padding:38px 0 28px}.hero-media{width:calc(100% - 32px);margin-top:18px}.grid-2,.grid-3,.grid-4,.grid-6,.shelf-list{grid-template-columns:1fr}.catalog-panel{top:90px;max-height:calc(100vh - 90px)}.catalog-shell{width:100%;padding:16px}.catalog-grid{grid-template-columns:1fr;gap:10px}.search-layer{top:0;bottom:0;background:var(--deep);padding:16px;z-index:1050}.search-card{margin-top:82px}.overlay.visible{z-index:1000}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:850;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--muted);font-size:13px;font-weight:800}.mobile-bottom-nav a.active{background:var(--blue);color:#fff}.site-footer{padding-bottom:86px}.number-item{grid-template-columns:46px 1fr}.content-section{padding:34px 0}.media-slot{height:190px}.wide-media{height:220px}.app-media{max-height:380px}.footer-groups{grid-template-columns:1fr 1fr;gap:16px}.section-heading{display:block}.section-heading p{margin-top:6px}}