:root{--bg:#EEF5FB;--deep:#E3EEF7;--card:#FFFFFF;--soft:#D7E8F4;--ink:#10263A;--text:#243848;--muted:#5A7388;--assist:#7E93A6;--brand:#3B9FE0;--bright:#62B7EE;--steel:#1E6FB8;--ice:#A9D6F2;--mint:#2FA8A0;--line:rgba(30,111,184,.16);--line-strong:rgba(59,159,224,.38);--shadow:0 16px 40px rgba(16,38,58,.08);--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}a{color:var(--steel);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(59,159,224,.35);outline-offset:2px}button,input{font:inherit}.shell{width:min(1220px,calc(100% - 32px));margin:0 auto}.site-header{position:fixed;inset:0 0 auto;z-index:50}.frame-bar{height:22px;background:var(--steel);color:#fff;font-size:12px}.frame-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-button{height:22px;border:0;background:transparent;color:#fff;padding:0 4px;cursor:pointer}.viewport-bar{height:70px;background:#f8fbfe;border-bottom:1px solid var(--line)}.viewport-inner{height:70px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;min-width:44px;min-height:44px;display:flex;align-items:center}.brand-logo,.drawer-logo,.footer-logo{display:block;max-width:180px;height:auto;max-height:36px;object-fit:contain}.brand-fallback{font-weight:800;color:var(--ink);font-size:22px}.tool-button,.app-link,.btn{min-height:44px;border-radius:10px;border:1px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;cursor:pointer}.tool-button{background:#fff;color:var(--steel);font-weight:700}.app-link{justify-self:end;background:linear-gradient(135deg,#62B7EE 0%,#3B9FE0 48%,#1E6FB8 100%);color:#fff;font-weight:700;text-decoration:none}.tab-rail{height:44px;background:var(--ice);border-bottom:1px solid rgba(30,111,184,.26)}.tab-inner{height:44px;display:flex;align-items:center;gap:8px;overflow:hidden}.tab-inner a{padding:4px 11px;border-radius:8px;color:var(--ink);font-size:14px;white-space:nowrap}.tab-inner a.is-current{background:var(--brand);color:#fff;text-decoration:none}.site-main{min-height:60vh;padding:168px 0 72px}.hero,.page-hero,.section-block,.panel,.content-card,.legal-block,.faq-item{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.hero,.page-hero{overflow:hidden}.hero-media,.page-media,.card-media{background:linear-gradient(180deg,#eaf5fc,#d8ebf8);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}.hero-media{min-height:180px;max-height:300px}.hero-media img{width:100%;max-height:300px;object-fit:contain;object-position:center}.page-media{min-height:190px;max-height:300px}.page-media img{width:100%;max-height:300px;object-fit:contain}.hero-copy,.page-hero-copy{padding:28px 30px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--steel);font-weight:800;font-size:13px;letter-spacing:.06em}.eyebrow:before{content:"";width:20px;height:2px;background:var(--mint)}h1,h2,h3{color:var(--ink);line-height:1.28;margin:0 0 12px}h1{font-size:clamp(28px,4vw,32px)}h2{font-size:23px}h3{font-size:18px}p{margin:0 0 14px}.lead{font-size:17px;color:var(--muted);max-width:880px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.btn.primary{background:linear-gradient(135deg,#62B7EE 0%,#3B9FE0 48%,#1E6FB8 100%);color:#fff;border-color:transparent;text-decoration:none;font-weight:800}.btn.secondary{background:#fff;color:var(--steel);text-decoration:none;font-weight:800}.section-block{padding:28px;margin-top:24px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.section-head p{margin:0;color:var(--muted);max-width:680px}.tag-grid,.card-grid,.six-grid,.app-grid,.info-grid{display:grid;gap:16px}.tag-grid{grid-template-columns:repeat(3,1fr)}.tag-card,.mini-card,.theme-tile,.info-card{border:1px solid var(--line);border-radius:12px;background:#fff;padding:18px}.tag-card:nth-child(odd) .tag-mark{background:var(--bright)}.tag-card:nth-child(even) .tag-mark{background:var(--mint)}.tag-mark{width:38px;height:6px;border-radius:4px;margin-bottom:14px}.tag-card p,.mini-card p,.theme-tile p,.info-card p{color:var(--muted);font-size:14px}.card-grid{grid-template-columns:repeat(3,1fr)}.media-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}.card-media{height:210px}.card-media img{width:100%;height:100%;object-fit:contain;object-position:center}.card-body{padding:18px}.number-list{display:grid;gap:10px}.number-row{display:grid;grid-template-columns:58px 1fr;gap:16px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}.number-row:last-child{border-bottom:0}.big-no{font-size:28px;font-weight:900;color:var(--steel);line-height:1}.directory{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.directory a{display:block;padding:16px;border-radius:12px;background:var(--deep);color:var(--ink);font-weight:800}.directory span{display:block;color:var(--muted);font-weight:400;font-size:14px}.six-grid{grid-template-columns:repeat(3,1fr)}.theme-tile:nth-child(2n){background:#eefaf9}.theme-tile:nth-child(3n){background:#eaf4fb}.shelf-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:18px;align-items:start}.shelf-slots{display:grid;gap:10px}.shelf-slot{padding:15px 16px;border-left:5px solid var(--brand);background:var(--deep);border-radius:0 10px 10px 0}.timeline{position:relative;margin-left:12px;padding-left:28px;border-left:2px solid var(--ice)}.timeline-item{position:relative;margin-bottom:22px}.timeline-item:before{content:"";position:absolute;left:-36px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--brand);border:3px solid #fff;box-shadow:0 0 0 1px var(--line-strong)}.status{display:inline-block;padding:2px 8px;border-radius:7px;background:var(--deep);color:var(--steel);font-size:13px;font-weight:700}.app-grid{grid-template-columns:minmax(220px,.7fr) 1.3fr;align-items:center}.app-visual{text-align:center;background:var(--deep);border-radius:14px;padding:20px}.app-visual img{max-width:100%;max-height:420px;object-fit:contain}.app-icon{width:64px;height:64px;object-fit:contain;border-radius:14px}.article-body{display:grid;gap:18px;margin-top:24px}.content-card,.legal-block{padding:24px}.content-card p:last-child,.legal-block p:last-child{margin-bottom:0}.article-body ul{margin:10px 0 0;padding-left:22px}.article-body li{margin:6px 0}.index-links{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.index-links a{padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--deep);color:var(--ink);font-weight:800}.quote-note{padding:16px 18px;border-left:4px solid var(--mint);background:#edf9f8;border-radius:0 10px 10px 0;color:var(--text)}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h2{font-size:18px}.site-footer{background:var(--ink);color:#c7d8e6;padding:34px 0 calc(28px + env(safe-area-inset-bottom))}.footer-brand-row{display:flex;justify-content:space-between;gap:28px;align-items:center;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand strong{display:block;color:#fff;font-size:18px}.footer-brand span{display:block;font-size:12px}.footer-brand-row p{max-width:640px;margin:0;color:#c7d8e6}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 0}.footer-grid h2{font-size:15px;color:#fff;margin-bottom:10px}.footer-grid a{display:block;color:#c7d8e6;margin:5px 0;font-size:14px}.footer-bottom{padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}.overlay{position:fixed;inset:0;background:rgba(16,38,58,.38);opacity:0;visibility:hidden;pointer-events:none;z-index:80;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.tool-drawer{position:fixed;z-index:90;top:0;right:0;width:min(420px,86vw);height:100dvh;background:#fff;transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s}.tool-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand strong,.drawer-brand span{display:block}.drawer-brand span{font-size:11px;color:var(--muted)}.close-button{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-size:26px;cursor:pointer}.drawer-scroll{height:calc(100dvh - 76px);overflow-y:auto;padding:14px 18px 26px}.drawer-group{padding:10px 0}.drawer-group h2{font-size:14px;color:var(--steel);margin-bottom:8px}.drawer-group a{display:block;padding:11px 10px;border-radius:10px;color:var(--ink)}.drawer-group a:hover{background:var(--deep);text-decoration:none}.drawer-group strong,.drawer-group span{display:block}.drawer-group span{font-size:13px;line-height:1.5;color:var(--muted);margin-top:3px}.search-layer{position:fixed;z-index:92;top:92px;left:0;right:0;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);transition:.2s}.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.search-card{width:min(900px,calc(100% - 32px));margin:0 auto;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 14px 14px;padding:22px}.search-head{display:flex;align-items:center;justify-content:space-between;color:var(--ink);margin-bottom:14px}.search-field input{width:100%;min-height:48px;border:1px solid var(--line-strong);border-radius:10px;padding:0 14px;background:#f9fcff;color:var(--ink)}.preset-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:12px}.preset-grid a{padding:10px;border-radius:9px;background:var(--deep);text-align:center;color:var(--ink);font-weight:700}.search-note{font-size:13px;color:var(--assist);margin:12px 0 0}.ui-locked{overflow:hidden}.mobile-bottom{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.tag-grid,.six-grid{grid-template-columns:repeat(2,1fr)}.card-grid{grid-template-columns:1fr 1fr}.index-links{grid-template-columns:repeat(2,1fr)}.shelf-layout,.app-grid{grid-template-columns:1fr}.preset-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.shell{width:min(100% - 32px,1220px)}.viewport-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.brand-logo{max-width:118px;max-height:30px}.brand-fallback{font-size:18px}.tool-button,.app-link{padding:6px 10px;font-size:14px}.tab-rail{display:none}.site-main{padding-top:118px;padding-bottom:78px}.hero-copy,.page-hero-copy,.section-block,.content-card,.legal-block{padding:20px}.section-head{display:block}.section-head p{margin-top:6px}.tag-grid,.card-grid,.six-grid,.directory,.index-links{grid-template-columns:1fr}.hero-media{min-height:140px}.card-media{height:190px}.number-row{grid-template-columns:48px 1fr}.footer-brand-row{display:block}.footer-brand-row p{margin-top:16px}.footer-grid{grid-template-columns:1fr 1fr}.search-layer{top:0;bottom:0;background:var(--ice);padding-top:calc(18px + env(safe-area-inset-top));overflow-y:auto}.search-card{width:min(100% - 32px,620px);border-radius:14px;margin:0 auto;background:#fff}.preset-grid{grid-template-columns:1fr 1fr}.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(--line);box-shadow:0 -8px 24px rgba(16,38,58,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;color:var(--muted);font-size:13px;text-decoration:none}.mobile-bottom a.is-current{background:var(--brand);color:#fff;font-weight:800}.site-footer{padding-bottom:calc(74px + env(safe-area-inset-bottom))}}