:root{
--bg:#FFFFFF;--deep:#F5F7FA;--soft:#EEF1F6;--title:#0A1628;--text:#1E2A3A;--muted:#4A5568;--hint:#718096;--blue:#0033A0;--bright:#0052CC;--navy:#002066;--border:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--radius:14px;--head:134px}
*{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",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.layer-open{overflow:hidden}a{color:var(--navy);text-decoration:none}a:hover{color:var(--bright)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(0,82,204,.28);outline-offset:3px}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}.shell{width:min(1220px,calc(100% - 40px));margin:0 auto}.skip-link{position:fixed;left:12px;top:8px;z-index:220;transform:translateY(-150%);background:#fff;padding:8px 12px;border-radius:8px;box-shadow:var(--shadow)}.skip-link:focus{transform:none}.site-header{position:fixed;inset:0 0 auto;z-index:80}.blue-line{height:22px;background:var(--navy);color:#fff}.blue-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between;font-size:12px}.line-search{height:22px;border:0;background:transparent;color:#fff;padding:0 8px}.masthead{height:68px;background:#fff;border-bottom:1px solid var(--border)}.masthead-inner{height:68px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-mark{justify-self:start;display:inline-flex;align-items:center;min-height:44px;font-size:26px;font-weight:800;color:var(--title)}.brand-mark img,.footer-logo img,.catalog-brand img{max-height:36px;width:auto;object-fit:contain}.catalog-button{justify-self:center;min-height:44px;padding:8px 22px;border:1px solid var(--blue);border-radius:10px;background:#fff;color:var(--blue);font-weight:700}.catalog-button:hover{background:var(--deep)}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 18px;border-radius:10px;color:#fff;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);font-weight:700}.app-link:hover{color:#fff;filter:brightness(1.05)}.tab-strip{height:44px;background:var(--deep);border-bottom:1px solid var(--border)}.tab-strip-inner{height:44px;display:flex;align-items:center;gap:8px}.tab-strip a{display:inline-flex;align-items:center;min-height:34px;padding:4px 10px;color:var(--text);font-size:14px}.tab-strip a.is-current{background:var(--blue);color:#fff;border-radius:8px}.page-main{padding-top:var(--head);min-height:70vh}.hero,.page-hero{padding:42px 0 34px}.hero-copy{max-width:800px}.kicker{margin:0 0 10px;color:var(--blue);font-weight:800;letter-spacing:.08em;font-size:13px}h1,h2,h3{color:var(--title);line-height:1.3;margin-top:0}h1{font-size:clamp(28px,4vw,32px);margin-bottom:16px}h2{font-size:clamp(21px,3vw,25px);margin-bottom:12px}h3{font-size:18px;margin-bottom:8px}p{margin-top:0}.lead{font-size:17px;color:var(--muted);max-width:880px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.button,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:10px;font-weight:700}.button{background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.button:hover{color:#fff}.button-secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}.section{padding:42px 0}.section.alt{background:var(--deep)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head p{color:var(--muted);max-width:680px;margin-bottom:0}.panel,.content-card,.qa-item,.policy-list article{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px}.panel{box-shadow:var(--shadow)}.media-slot{width:100%;min-height:170px;display:flex;align-items:center;justify-content:center;background:var(--deep);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.media-slot img{width:100%;height:100%;max-height:240px;object-fit:contain;object-position:center}.media-slot.hero-media{max-height:300px;min-height:220px;margin-bottom:26px}.media-slot.hero-media img{max-height:300px}.media-slot.compact-media{min-height:180px;max-height:220px}.media-slot.compact-media img{max-height:220px}.media-slot.tall-media{min-height:320px;max-height:420px}.media-slot.tall-media img{max-height:420px;width:auto}.media-slot.icon-media{width:72px;height:72px;min-height:72px;flex:0 0 72px;border-radius:16px}.media-slot.icon-media img{width:72px;height:72px}.label-grid,.triple-grid,.two-grid,.four-grid,.six-grid{display:grid;gap:18px}.label-grid{grid-template-columns:repeat(6,1fr)}.triple-grid{grid-template-columns:repeat(3,1fr)}.two-grid{grid-template-columns:repeat(2,1fr)}.four-grid{grid-template-columns:repeat(4,1fr)}.six-grid{grid-template-columns:repeat(3,1fr)}.label-card{min-height:150px;border-radius:12px;padding:18px;color:#fff;display:flex;flex-direction:column;justify-content:space-between}.label-card:nth-child(odd){background:var(--bright)}.label-card:nth-child(even){background:var(--navy)}.label-card h3,.label-card p,.label-card a{color:#fff}.label-card p{font-size:14px}.content-card p,.qa-item p{color:var(--muted)}.content-card .media-slot{margin-bottom:16px}.number-list{display:grid}.number-row{display:grid;grid-template-columns:58px 1fr auto;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--border)}.number-row:last-child{border-bottom:0}.big-number{font-size:34px;font-weight:900;color:var(--blue);line-height:1}.number-row p{color:var(--muted);margin-bottom:0}.link-arrow{font-weight:700;color:var(--blue)}.directory-list,.shelf-list,.article-list{display:grid;border-top:1px solid var(--border)}.directory-item,.shelf-item,.article-item{padding:18px 0;border-bottom:1px solid var(--border);display:grid;grid-template-columns:minmax(140px,.7fr) 2fr auto;gap:18px;align-items:start}.directory-item p,.shelf-item p,.article-item p{color:var(--muted);margin-bottom:0}.status,.tag{display:inline-flex;align-items:center;min-height:28px;padding:2px 9px;border-radius:8px;font-size:13px;font-weight:700}.status{border:1px solid var(--border);color:var(--blue);background:#fff}.tag{background:var(--blue);color:#fff}.timeline{position:relative;margin-left:10px;padding-left:30px}.timeline:before{content:"";position:absolute;left:7px;top:9px;bottom:12px;width:2px;background:rgba(0,51,160,.16)}.timeline-item{position:relative;padding:0 0 28px}.timeline-item:before{content:"";position:absolute;left:-30px;top:7px;width:16px;height:16px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #EEF1F6}.timeline-item p{color:var(--muted)}.step-list{counter-reset:step}.step{counter-increment:step;display:grid;grid-template-columns:58px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--border)}.step:before{content:"0" counter(step);font-size:30px;font-weight:900;color:var(--blue);line-height:1.2}.editor-note,.notice-box{padding:20px 22px;background:var(--soft);border-left:4px solid var(--blue);border-radius:0 var(--radius) var(--radius) 0}.prose-block,.essay{max-width:900px}.app-layout{display:grid;grid-template-columns:minmax(240px,.7fr) 1.5fr;gap:34px;align-items:center}.app-title-row{display:flex;align-items:center;gap:16px;margin-bottom:14px}.policy-list,.qa-list{display:grid;gap:16px}.site-footer{background:var(--title);color:#A0AEC0;padding:44px 0 calc(28px + env(safe-area-inset-bottom))}.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:42px}.footer-logo{display:inline-flex;min-height:44px;align-items:center;color:#fff;font-size:24px}.footer-brand p,.footer-note p{color:#A0AEC0}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h2{color:#fff;font-size:15px}.footer-grid a{display:block;color:#CBD5E0;margin:7px 0}.footer-note{padding-top:24px;margin-top:30px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}.catalog-panel,.search-layer{position:fixed;left:0;right:0;top:90px;z-index:100;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.18s ease}.catalog-panel.is-open,.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.catalog-card,.search-card{width:min(1220px,calc(100% - 40px));max-height:calc(100vh - 110px);overflow-y:auto;margin:0 auto;background:#fff;border:1px solid var(--border);border-top:3px solid var(--blue);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:22px}.catalog-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.catalog-brand{display:flex;align-items:center;gap:14px;font-weight:800}.catalog-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.catalog-groups h2{font-size:15px;color:var(--blue)}.catalog-groups a{display:block;padding:10px 0;border-bottom:1px solid var(--border)}.catalog-groups strong,.catalog-groups span{display:block}.catalog-groups span{font-size:13px;color:var(--muted)}.close-button{min-height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--blue);padding:8px 14px}.search-card{max-width:760px}.search-appearance{display:grid;gap:8px;color:var(--muted)}.search-appearance input{min-height:50px;border:1px solid var(--border);border-radius:10px;padding:10px 14px;background:var(--deep)}.preset-links{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.preset-links a{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid var(--blue);border-radius:10px}.search-note{font-size:14px;color:var(--hint)}.site-overlay{position:fixed;inset:0;z-index:90;background:rgba(10,22,40,.32);visibility:hidden;opacity:0;pointer-events:none;transition:.18s ease}.site-overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.mobile-bottom{display:none}
@media(max-width:980px){.label-grid{grid-template-columns:repeat(3,1fr)}.triple-grid,.four-grid{grid-template-columns:repeat(2,1fr)}.catalog-groups{grid-template-columns:repeat(2,1fr)}.footer-top,.app-layout{grid-template-columns:1fr}}
@media(max-width:720px){:root{--head:90px}.shell{width:calc(100% - 32px)}.tab-strip{display:none}.masthead-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.brand-mark{font-size:22px;min-width:0}.brand-mark img{max-width:112px;max-height:30px}.catalog-button{padding:8px 13px}.app-link{padding:8px 11px;font-size:13px;white-space:nowrap}.page-main{padding-bottom:calc(66px + env(safe-area-inset-bottom))}.hero,.page-hero{padding:30px 0 26px}.section{padding:34px 0}.section-head{display:block}.label-grid,.triple-grid,.two-grid,.four-grid,.six-grid{grid-template-columns:1fr}.number-row,.directory-item,.shelf-item,.article-item{grid-template-columns:50px 1fr}.number-row>:last-child,.directory-item>:last-child,.shelf-item>:last-child,.article-item>:last-child{grid-column:2;justify-self:start}.catalog-card{width:100%;max-height:calc(100vh - 90px);border-left:0;border-right:0;border-radius:0}.catalog-groups{grid-template-columns:1fr}.search-layer{top:0;bottom:0;background:var(--deep)}.search-card{width:100%;height:100%;max-height:none;border:0;border-radius:0;background:var(--deep);padding:24px 16px calc(80px + env(safe-area-inset-bottom))}.search-appearance input{background:#fff}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);min-height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(0,33,102,.08)}.mobile-bottom a{min-height:50px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}.mobile-bottom a.is-current{background:var(--blue);color:#fff}.footer-grid{grid-template-columns:repeat(2,1fr)}.media-slot.hero-media{min-height:160px}}
@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.catalog-button,.app-link{padding-left:9px;padding-right:9px}}