:root{--bg:#fff;--deep:#f5f7fa;--card:#fff;--soft:#eef1f6;--title:#0a1628;--text:#1e2a3a;--muted:#4a5568;--aux:#718096;--blue:#0033a0;--bright:#0052cc;--navy:#002066;--border:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--max:1220px;--head:118px}*{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;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}.site-header{position:fixed;z-index:50;left:0;right:0;top:0;background:#fff}.spine{height:18px;background:var(--navy);color:#fff;font-size:12px}.spine-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.spine-brand{font-weight:700;letter-spacing:.04em}.icon-btn{height:18px;border:0;background:transparent;color:#fff;padding:0 4px;cursor:pointer;font-size:12px}.coverbar{height:60px;border-bottom:1px solid var(--border);background:#fff}.coverbar-inner{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.brand-lockup{justify-self:start;min-height:44px;display:flex;align-items:center}.site-logo{height:32px;max-width:180px;object-fit:contain;object-position:left center}.brand-text{font-size:26px;color:var(--navy);font-weight:900;letter-spacing:-.03em}.catalog-open,.app-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-weight:700}.catalog-open{border:1px solid var(--border);background:#fff;color:var(--navy);padding:0 18px;cursor:pointer}.app-link{justify-self:end;background:linear-gradient(135deg,#0052cc 0%,#0033a0 50%,#002066 100%);color:#fff;padding:0 18px}.tabbar{height:40px;background:var(--deep);border-bottom:1px solid var(--border)}.tabbar-inner{height:100%;display:flex;align-items:center;gap:6px}.tab-link{height:28px;display:flex;align-items:center;padding:0 12px;border-radius:8px;color:var(--muted);font-size:14px}.tab-link:hover,.tab-link:focus-visible{color:var(--blue);outline:2px solid rgba(0,82,204,.25);outline-offset:2px}.tab-link.is-current{background:var(--blue);color:#fff}.site-main{padding-top:calc(var(--head) + 24px)}.section{padding:52px 0}.section.soft{background:var(--deep)}.section.tight{padding:34px 0}.eyebrow{margin:0 0 8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.12em}.page-title,.hero-title{margin:0;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.3;letter-spacing:-.02em}.lead{max-width:820px;margin:16px 0 0;font-size:17px;color:var(--muted)}.hero-shell{padding:26px;border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:var(--shadow)}.media-slot{background:linear-gradient(180deg,#f7f9fc,#eef3f9);border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot.banner{max-height:300px;min-height:180px}.media-slot.banner img{width:100%;height:100%;max-height:300px;object-fit:contain;object-position:center}.media-slot.column{height:210px}.media-slot.column img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.app-shot{min-height:300px;max-height:420px}.media-slot.app-shot img{max-height:420px;object-fit:contain}.fallback-mark{padding:36px;text-align:center;color:var(--navy);font-size:28px;font-weight:800}.hero-copy{padding-top:22px}.hero-copy .kicker{margin:0;color:var(--blue);font-size:14px;font-weight:800}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.btn{min-height:44px;padding:9px 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.btn.primary{background:linear-gradient(135deg,#0052cc 0%,#0033a0 50%,#002066 100%);color:#fff}.btn.secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}.btn:hover,.btn:focus-visible{transform:translateY(-1px);outline:3px solid rgba(0,82,204,.18);outline-offset:2px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card-grid.four{grid-template-columns:repeat(4,1fr)}.card-grid.two{grid-template-columns:repeat(2,1fr)}.card,.list-card,.status-card,.number-card{background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.card{padding:20px}.card h2,.card h3,.list-card h2,.list-card h3,.status-card h2,.number-card h2{margin:0 0 10px;color:var(--title);font-size:19px}.card p,.list-card p,.status-card p,.number-card p{margin:0;color:var(--muted)}.card .more,.list-card .more{display:inline-flex;margin-top:14px;color:var(--blue);font-weight:800}.tone-a{border-top:4px solid var(--bright)}.tone-b{border-top:4px solid var(--navy)}.feature-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}.number-list{display:grid;gap:10px}.number-item{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}.number-item:last-child{border-bottom:0}.number-item b{font-size:24px;color:var(--blue);line-height:1}.number-item h3{margin:0 0 5px;color:var(--title);font-size:18px}.number-item p{margin:0;color:var(--muted)}.equal-card{overflow:hidden;padding:0}.equal-card .media-slot{border:0;border-bottom:1px solid var(--border);border-radius:0;height:200px}.equal-card .card-body{padding:18px}.tag-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tag-card{padding:18px;border:1px solid var(--border);border-radius:12px;background:#fff}.tag-card strong{display:block;color:var(--blue);margin-bottom:5px}.shelf-list{display:grid;gap:12px}.shelf-row{display:grid;grid-template-columns:140px 1fr auto;gap:20px;align-items:center;padding:18px;border:1px solid var(--border);border-radius:12px;background:#fff}.shelf-row .label{font-weight:900;color:var(--navy)}.shelf-row p{margin:0;color:var(--muted)}.shelf-row a{color:var(--blue);font-weight:800}.rank-list{display:grid;gap:12px}.rank-row{display:grid;grid-template-columns:84px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--border)}.rank-row:last-child{border-bottom:0}.rank-no{font-size:40px;line-height:1;color:var(--blue);font-weight:900}.rank-row h3{margin:0 0 6px;color:var(--title)}.rank-row p{margin:0;color:var(--muted)}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.status-card{padding:20px}.status-badge{display:inline-flex;padding:4px 9px;border-radius:8px;background:var(--soft);color:var(--blue);font-size:13px;font-weight:800;margin-bottom:10px}.prose{max-width:900px}.prose h2{margin:34px 0 10px;font-size:22px;color:var(--title)}.prose h3{margin:24px 0 8px;font-size:18px;color:var(--title)}.prose p{margin:0 0 16px;color:var(--text)}.prose .editor-note{padding:18px;border-left:4px solid var(--blue);background:var(--deep);border-radius:0 12px 12px 0;color:var(--muted)}.article-index{display:grid;gap:14px}.index-row{padding:18px 20px;border:1px solid var(--border);border-radius:12px;background:#fff}.index-row h2,.index-row h3{margin:0 0 8px;color:var(--title)}.index-row p{margin:0;color:var(--muted)}.index-row .meta{display:block;margin-top:8px;font-size:13px;color:var(--aux)}.steps{counter-reset:step;display:grid;gap:14px}.step{position:relative;padding:20px 20px 20px 78px;border:1px solid var(--border);border-radius:12px;background:#fff}.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:20px;top:18px;font-size:26px;font-weight:900;color:var(--blue)}.step h2,.step h3{margin:0 0 6px;color:var(--title)}.step p{margin:0;color:var(--muted)}.faq{display:grid;gap:14px}.faq article{padding:20px;border:1px solid var(--border);border-radius:12px;background:#fff}.faq h2{font-size:18px;margin:0 0 8px;color:var(--title)}.faq p{margin:0;color:var(--muted)}.site-footer{background:var(--title);color:#a0aec0;margin-top:40px;padding:46px 0 calc(28px + env(safe-area-inset-bottom))}.footer-brand-row{display:flex;gap:28px;justify-content:space-between;align-items:flex-start;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}.footer-logo{height:32px;max-width:160px;object-fit:contain}.footer-brand span{display:grid;line-height:1.2}.footer-brand strong{font-size:22px}.footer-brand small{color:#a0aec0}.footer-brand-row p{margin:0;max-width:680px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 0}.footer-grid h2{font-size:14px;color:#fff;margin:0 0 10px}.footer-grid a{display:block;padding:4px 0}.footer-grid a:hover,.footer-grid a:focus-visible{color:#fff;outline:none;text-decoration:underline}.footer-bottom{padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}.overlay{position:fixed;z-index:70;inset:0;background:rgba(10,22,40,.38);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.catalog-panel,.search-panel{position:fixed;z-index:80;left:0;right:0;top:78px;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:.2s}.catalog-panel{width:min(calc(100% - 32px),var(--max));margin:0 auto;max-height:50vh;overflow:auto;background:#fff;border:1px solid var(--border);border-radius:0 0 16px 16px;box-shadow:var(--shadow)}.catalog-panel.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.catalog-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:#fff;border-bottom:1px solid var(--border)}.catalog-brand{display:flex;align-items:center;gap:10px;color:var(--navy)}.catalog-logo{height:28px;max-width:140px;object-fit:contain}.panel-close{min-height:44px;padding:0 14px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--blue);font-weight:800;cursor:pointer}.catalog-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.catalog-group{padding:18px;border-right:1px solid var(--border)}.catalog-group:last-child{border-right:0}.catalog-group h2{margin:0 0 10px;color:var(--title);font-size:15px}.catalog-group a{display:block;padding:10px 0;border-top:1px solid rgba(0,51,160,.08)}.catalog-group a strong{display:block;color:var(--title);font-size:15px}.catalog-group a span{display:block;color:var(--aux);font-size:12px;line-height:1.5;margin-top:2px}.search-panel{display:flex;justify-content:center}.search-card{width:min(calc(100% - 32px),850px);background:#fff;border:1px solid var(--border);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:18px}.search-top{display:flex;justify-content:space-between;align-items:center;gap:16px}.search-top h2{margin:0;color:var(--title);font-size:19px}.search-look{min-height:52px;margin-top:14px;border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;gap:10px;padding:0 16px;color:var(--aux);background:var(--deep)}.search-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.search-links a{min-height:44px;padding:9px 14px;border:1px solid var(--border);border-radius:10px;color:var(--blue);font-weight:700;background:#fff}.mobile-bottom{display:none}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}.notice{padding:18px;border:1px solid var(--border);background:var(--deep);border-radius:12px}.notice strong{color:var(--title)}.link-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.link-list a{padding:14px;border:1px solid var(--border);border-radius:10px;color:var(--blue);font-weight:800;background:#fff}.app-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:center}.icon-line{display:flex;align-items:center;gap:14px;margin-bottom:18px}.app-icon{width:64px;height:64px;object-fit:contain;border-radius:14px;border:1px solid var(--border);background:#fff}.crumbs{margin-bottom:10px;color:var(--aux);font-size:13px}.crumbs a{color:var(--blue)}
@media(max-width:960px){.card-grid.four{grid-template-columns:repeat(2,1fr)}.status-grid{grid-template-columns:repeat(2,1fr)}.catalog-groups{grid-template-columns:repeat(2,1fr)}.catalog-group{border-bottom:1px solid var(--border)}.feature-grid,.split,.app-layout{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){:root{--head:78px}.wrap{width:min(calc(100% - 32px),var(--max))}.tabbar{display:none}.site-main{padding-top:calc(var(--head) + 18px)}.coverbar-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.site-logo{height:28px;max-width:116px}.brand-text{font-size:22px}.catalog-open{padding:0 12px}.app-link{padding:0 10px;font-size:14px}.section{padding:38px 0}.hero-shell{padding:16px}.media-slot.banner{min-height:150px}.card-grid,.card-grid.four,.card-grid.two,.tag-grid,.status-grid{grid-template-columns:1fr}.equal-card .media-slot{height:190px}.shelf-row{grid-template-columns:1fr;gap:8px}.rank-row{grid-template-columns:62px 1fr}.rank-no{font-size:34px}.footer-brand-row{display:grid}.footer-grid{grid-template-columns:repeat(2,1fr)}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.catalog-panel,.search-panel{top:78px}.catalog-panel{width:100%;max-height:66vh;border-left:0;border-right:0;border-radius:0 0 14px 14px}.catalog-groups{grid-template-columns:1fr}.catalog-group{border-right:0}.search-card{width:calc(100% - 16px);background:var(--deep)}.mobile-bottom{position:fixed;z-index:45;left:0;right:0;bottom:0;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(--border);box-shadow:0 -8px 26px rgba(0,33,102,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;color:var(--muted);font-size:13px}.mobile-bottom a.is-current{background:var(--blue);color:#fff}.feature-grid{gap:18px}.app-layout{gap:20px}.page-title,.hero-title{font-size:28px}.lead{font-size:16px}}
@media(max-width:390px){.coverbar-inner{gap:4px}.catalog-open{padding:0 9px;font-size:13px}.app-link{padding:0 8px;font-size:13px}.site-logo{max-width:92px}.brand-text{font-size:20px}.footer-grid{grid-template-columns:1fr 1fr}}