:root{
  --bg:#FFFFFF;--deep-bg:#F5F7FA;--surface:#FFFFFF;--muted-bg:#EEF1F6;
  --title:#0A1628;--text:#1E2A3A;--muted:#4A5568;--soft:#718096;
  --blue:#0033A0;--bright:#0052CC;--deep:#002066;
  --line:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);
  --radius:14px;--max:1220px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}
.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.site-head{position:fixed;inset:0 0 auto;z-index:1200;background:#fff}
.spine{height:18px;background:var(--deep);color:#fff;font-size:11px;line-height:18px}
.spine-inner{height:18px;display:flex;align-items:center;justify-content:space-between}
.spine-brand{font-weight:700;letter-spacing:.04em}.icon-button{border:0;background:transparent;color:#fff;padding:0 8px;height:18px;cursor:pointer;font-size:11px}
.coverbar{height:60px;background:#fff;border-bottom:1px solid var(--line)}
.coverbar-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.logo-link{justify-self:start;display:flex;align-items:center;min-height:44px;min-width:80px}.brand-logo{max-height:36px;width:auto;object-fit:contain}
.logo-text,.footer-logo-text{font-size:24px;font-weight:900;color:var(--deep);letter-spacing:-.04em}
.catalog-button,.app-link,.button-primary,.button-secondary{min-height:44px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;font-weight:700}
.catalog-button{justify-self:center;border:1px solid var(--line);background:#fff;color:var(--deep);cursor:pointer}
.app-link{justify-self:end;color:#fff;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%)}
.tabs{height:40px;background:var(--deep-bg);border-bottom:1px solid var(--line)}
.tabs-inner{height:40px;display:flex;align-items:center;gap:6px}.tabs a{height:30px;display:flex;align-items:center;padding:0 12px;border-radius:7px;color:var(--muted);font-size:14px;font-weight:700}
.tabs a:hover,.tabs a:focus-visible{color:var(--blue);outline:2px solid rgba(0,82,204,.25);outline-offset:1px}.tabs a.is-current{background:var(--blue);color:#fff}
.site-main{padding-top:118px}.page-hero{padding:44px 0 26px}.page-hero.compact{padding-bottom:10px}
.eyebrow{display:inline-block;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:8px}
h1,h2,h3{color:var(--title);line-height:1.25;margin-top:0}h1{font-size:clamp(28px,3.2vw,32px);letter-spacing:-.035em;margin-bottom:14px}h2{font-size:22px;margin-bottom:12px}h3{font-size:17px;margin-bottom:8px}
p{margin:0 0 14px}.lead{font-size:17px;color:var(--muted);max-width:860px}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.button-primary{background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.button-secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.button-primary:hover,.button-secondary:hover,.app-link:hover{filter:brightness(.96)}
.button-primary:focus-visible,.button-secondary:focus-visible,.app-link:focus-visible,.catalog-button:focus-visible,.close-button:focus-visible{outline:3px solid rgba(0,82,204,.25);outline-offset:2px}
.section{padding:30px 0}.section.alt{background:var(--deep-bg)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head p{max-width:650px;color:var(--muted);margin:0}
.grid{display:grid;gap:16px}.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(6,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);min-width:0}.card.soft{box-shadow:none;background:var(--deep-bg)}
.card-link{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;color:var(--blue);font-weight:700;min-height:44px}.card-link::after{content:"→";font-size:18px}
.media-frame,.banner-frame,.app-frame,.small-media{background:var(--muted-bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center}
.banner-frame{height:min(300px,52vw);min-height:190px}.media-frame{height:220px}.small-media{height:190px}.app-frame{height:420px}
.media-frame img,.banner-frame img,.small-media img,.app-frame img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#F5F7FA,#EEF1F6);color:var(--deep);font-weight:800;letter-spacing:.04em}
.home-intro{padding:26px 0 30px}.home-intro .intro-title{font-size:14px;color:var(--blue);font-weight:800;margin-bottom:8px}.home-intro h1{max-width:760px}
.pagecards .card{box-shadow:none;position:relative;padding-top:44px}.pagecards .color-chip{position:absolute;left:18px;top:16px;width:28px;height:8px;border-radius:3px;background:var(--bright)}.pagecards .card:nth-child(even) .color-chip{background:var(--deep)}
.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:58px 1fr;gap:14px;align-items:start;padding:16px 0;border-top:1px solid var(--line)}.number-item:first-child{border-top:0}
.number{font-size:28px;line-height:1;color:var(--blue);font-weight:900;letter-spacing:-.04em}
.feature-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:24px;align-items:start}
.list-rows{border-top:2px solid var(--deep)}.list-row{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.list-row a{color:var(--blue);font-weight:800;min-height:44px;display:flex;align-items:center}
.big-rank{display:grid;gap:10px}.rank-row{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.rank-row .number{font-size:40px}
.status-card{border-top:4px solid var(--blue)}
.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}.step h2::before{content:counter(step,decimal-leading-zero) ". ";color:var(--blue)}
.policy{display:grid;gap:18px}.policy article{padding:22px;border:1px solid var(--line);border-radius:12px;background:#fff}
.quote{border-left:4px solid var(--blue);padding:12px 16px;background:var(--deep-bg);border-radius:0 10px 10px 0;color:var(--muted)}
.editor-note{display:inline-block;margin-bottom:8px;font-size:13px;font-weight:800;color:#fff;background:var(--blue);padding:3px 8px;border-radius:6px}
.faq{display:grid;gap:12px}.faq article{border:1px solid var(--line);border-radius:12px;padding:18px;background:#fff}.faq h2{font-size:18px}
.app-layout{display:grid;grid-template-columns:minmax(240px,380px) 1fr;gap:34px;align-items:center}
.site-footer{background:#0A1628;color:#A0AEC0;margin-top:36px;padding:34px 0 calc(26px + env(safe-area-inset-bottom))}
.footer-top{display:grid;grid-template-columns:220px 1fr;gap:36px}.footer-brand{display:flex;align-items:center;gap:14px;color:#fff}.footer-logo-link{display:flex;align-items:center;min-height:44px}.footer-brand div{display:grid;line-height:1.2}.footer-brand div span{font-size:13px;color:#A0AEC0}
.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-groups section{display:grid;align-content:start;gap:5px}.footer-groups h2{font-size:15px;color:#fff;margin-bottom:6px}.footer-groups a{font-size:14px;min-height:32px;display:flex;align-items:center}.footer-groups a:hover,.footer-groups a:focus-visible{color:#fff;outline:none;text-decoration:underline}
.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px;font-size:13px;display:flex;justify-content:space-between;gap:20px}.footer-note p{margin:0;max-width:760px}
.overlay{position:fixed;inset:0;background:rgba(10,22,40,.38);z-index:1100;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.catalog-shell,.search-shell{position:fixed;left:0;right:0;top:78px;z-index:1300;visibility:hidden;pointer-events:none;transform:translateY(-10px);opacity:0;transition:.18s}
.catalog-shell.is-open,.search-shell.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}
.catalog-panel,.search-card{width:min(calc(100% - 32px),var(--max));margin:0 auto;background:#fff;border:1px solid var(--line);border-top:0;box-shadow:var(--shadow);border-radius:0 0 16px 16px;max-height:50vh;overflow:auto}
.catalog-head,.search-head{position:sticky;top:0;background:#fff;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line);z-index:1}
.catalog-brand{display:flex;align-items:center;gap:10px;color:var(--deep)}.close-button{min-height:44px;padding:0 14px;border:1px solid var(--line);background:#fff;color:var(--deep);border-radius:10px;font-weight:800;cursor:pointer}
.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:20px}.catalog-grid h2{font-size:15px;margin-bottom:8px}.catalog-grid section>a{display:grid;gap:1px;padding:9px 0;border-top:1px solid var(--line);min-height:58px}.catalog-grid section>a:first-of-type{border-top:0}.catalog-grid strong{font-size:14px;color:var(--title)}.catalog-grid span{font-size:12px;color:var(--soft)}
.search-card{padding-bottom:18px}.search-head h2{margin:2px 0 0;font-size:20px}.search-faux{margin:18px;min-height:54px;border:1px solid var(--line);background:var(--deep-bg);border-radius:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 10px 8px 16px;color:var(--soft)}
.search-faux a{min-height:40px;padding:0 14px;border-radius:8px;background:var(--blue);color:#fff;display:flex;align-items:center;font-weight:800}.search-links{display:flex;flex-wrap:wrap;gap:10px;padding:0 18px}.search-links a{min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:9px;display:flex;align-items:center;color:var(--deep);font-weight:700}
.mobile-nav{display:none}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-split{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.catalog-grid{grid-template-columns:repeat(2,1fr)}.app-layout{grid-template-columns:1fr}.app-frame{height:360px}}
@media(max-width:680px){
  .wrap{width:calc(100% - 32px)}.tabs{display:none}.site-main{padding-top:78px;padding-bottom:58px}
  .coverbar-inner{grid-template-columns:minmax(72px,1fr) auto minmax(72px,1fr);gap:6px}.logo-link{min-width:0}.brand-logo{max-width:92px;max-height:32px}.catalog-button,.app-link{min-height:44px;padding:0 10px;font-size:14px}
  .page-hero{padding-top:32px}.section{padding:24px 0}.grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}.media-frame{height:210px}.small-media{height:190px}.banner-frame{height:min(300px,60vw);min-height:190px}
  .list-row{grid-template-columns:80px 1fr}.list-row a{grid-column:2}.rank-row{grid-template-columns:70px 1fr}.rank-row .number{font-size:34px}
  .footer-groups{grid-template-columns:repeat(2,1fr)}.footer-note{display:grid}.site-footer{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
  .catalog-panel,.search-card{width:100%;border-left:0;border-right:0;border-radius:0 0 14px 14px;max-height:66vh}.catalog-grid{grid-template-columns:1fr 1fr;gap:18px 14px;padding:16px}.catalog-grid section>a{min-height:62px}
  .search-card,.search-head{background:var(--deep-bg)}.search-faux{background:#fff}
  .mobile-nav{position:fixed;z-index:1000;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr)}
  .mobile-nav a{min-width:0;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted);font-weight:700}.mobile-nav a.is-current{background:var(--blue);color:#fff}
}
@media(max-width:420px){.catalog-grid{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}}

.numbered-panel{counter-reset:panel}
.numbered-panel>article{counter-increment:panel;position:relative;padding-left:92px}
.numbered-panel>article::before{content:counter(panel,decimal-leading-zero);position:absolute;left:22px;top:24px;font-size:34px;line-height:1;color:var(--blue);font-weight:900}
.index-list>article{border-left:4px solid var(--blue)}
.guide-grid,.theme-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.shelf-list>article{box-shadow:none;border-left:5px solid var(--deep);display:grid;grid-template-columns:minmax(120px,180px) 1fr;column-gap:20px}
.shelf-list>article h2{grid-row:1 / span 3}
.date-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.date-grid>article:nth-child(-n+4){border-top:4px solid var(--blue)}
.date-grid>article:nth-child(5){grid-column:1/-1}
.prose-like{max-width:900px}
.prose-like>article{border-left:4px solid var(--blue);border-radius:0 12px 12px 0}
@media(max-width:680px){
  .numbered-panel>article{padding-left:70px}.numbered-panel>article::before{left:18px;font-size:28px}
  .guide-grid,.theme-grid,.date-grid{grid-template-columns:1fr}
  .date-grid>article:nth-child(5){grid-column:auto}
  .shelf-list>article{grid-template-columns:1fr}.shelf-list>article h2{grid-row:auto}
}