:root{--bg:#EEF5FB;--deep:#E3EEF7;--card:#FFFFFF;--soft:#D7E8F4;--ink:#10263A;--text:#243848;--muted:#5A7388;--hint:#7E93A6;--blue:#3B9FE0;--bright:#62B7EE;--steel:#1E6FB8;--ice:#A9D6F2;--mint:#2FA8A0;--border:rgba(30,111,184,.16);--accent-border:rgba(59,159,224,.38);--shadow:0 16px 40px rgba(16,38,58,.08);--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","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}body.ui-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell-inner,.page-wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.site-shell{position:fixed;inset:0 0 auto;z-index:80}.window-strip{height:22px;background:var(--steel);color:#fff;font-size:12px}.strip-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.strip-search{border:0;background:transparent;color:#fff;height:22px;padding:0 8px;cursor:pointer}.viewport-bar{height:70px;background:#fff;border-bottom:1px solid var(--border)}.viewport-inner{height:70px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px}.brand-link img{display:block;max-height:36px;max-width:210px;width:auto;object-fit:contain}.brand-text{font-size:22px;font-weight:800;color:var(--ink)}.toolbox-button,.app-link{min-height:44px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center}.toolbox-button{border:1px solid var(--accent-border);background:#fff;color:var(--steel);padding:0 18px;font-weight:700;cursor:pointer}.app-link{justify-self:end;background:linear-gradient(135deg,#62B7EE 0%,#3B9FE0 48%,#1E6FB8 100%);color:#fff;padding:0 18px;font-weight:700}.tab-rail{height:44px;background:var(--ice);border-bottom:1px solid rgba(30,111,184,.22)}.tabs-inner{display:flex;align-items:center;gap:10px;height:44px;overflow:hidden}.tab{height:30px;display:inline-flex;align-items:center;padding:0 12px;border-radius:7px;color:var(--ink);font-size:14px;font-weight:700;white-space:nowrap}.tab:hover,.tab:focus-visible{background:rgba(255,255,255,.66);outline:none}.tab.is-active{background:var(--blue);color:#fff}.site-main{padding-top:154px}.page-wrap{padding:36px 0 64px}.hero{background:linear-gradient(145deg,#fff 0%,#eaf6fe 100%);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.hero-copy{padding:30px}.eyebrow{margin:0 0 8px;color:var(--steel);font-size:13px;font-weight:800;letter-spacing:.08em}.hero h1{margin:0;color:var(--ink);font-size:clamp(28px,3.5vw,32px);line-height:1.25}.lead{font-size:17px;color:var(--text);max-width:900px;margin:14px 0 0}.media-slot{width:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#dbeef9,#edf7fc);border-bottom:1px solid var(--border);overflow:hidden}.media-slot img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.media-fallback{display:block;width:52%;height:36%;border:1px solid rgba(30,111,184,.18);border-radius:14px;background:linear-gradient(135deg,rgba(98,183,238,.24),rgba(47,168,160,.12))}.content-media{height:240px}.banner-media{max-height:300px;aspect-ratio:16/6}.app-media{max-height:420px;min-height:300px}.section-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:22px}.content-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:var(--shadow)}.content-card h2{font-size:21px;line-height:1.35;color:var(--ink);margin:0 0 10px}.content-card p{margin:0;color:var(--text)}.content-card p+p{margin-top:10px}.content-card.wide{grid-column:1/-1}.accent-card{background:linear-gradient(145deg,#fff,#eef8fd)}.mint-mark{display:inline-block;width:9px;height:9px;border-radius:2px;background:var(--mint);margin-right:8px}.page-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{min-height:44px;padding:0 16px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-weight:750}.btn.primary{background:linear-gradient(135deg,#62B7EE 0%,#3B9FE0 48%,#1E6FB8 100%);color:#fff}.btn.secondary{background:#fff;color:var(--steel);border:1px solid var(--accent-border)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(59,159,224,.28);outline-offset:2px}.home-cover .hero-copy{padding:24px 30px 30px}.cover-kicker{margin:0 0 4px;color:var(--steel);font-weight:800}.home-cover h1{max-width:760px}.tag-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:18px 0}.tag-mini{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px;min-height:136px}.tag-mini:nth-child(even){border-top:4px solid var(--mint)}.tag-mini:nth-child(odd){border-top:4px solid var(--bright)}.tag-mini strong{display:block;color:var(--ink);margin-bottom:6px}.tag-mini p{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 8px}.tag-mini a{color:var(--steel);font-weight:700;font-size:14px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:36px 0 14px}.section-head h2{font-size:25px;color:var(--ink);margin:0}.section-head p{margin:0;color:var(--muted);max-width:680px}.glance-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:18px}.number-list{display:grid;gap:10px}.number-row{display:grid;grid-template-columns:54px 1fr;gap:12px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px}.number-row b{font-size:23px;color:var(--steel)}.number-row strong{display:block;color:var(--ink)}.number-row span{color:var(--muted);font-size:14px}.triple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.view-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}.view-card .media-slot{height:200px}.view-card .body{padding:18px}.view-card h3{margin:0 0 8px;color:var(--ink);font-size:20px}.view-card p{margin:0;color:var(--muted)}.view-card a{display:inline-flex;margin-top:12px;color:var(--steel);font-weight:800}.directory-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.directory-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.directory-item b{color:var(--ink)}.directory-item p{margin:6px 0 0;color:var(--muted);font-size:14px}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.theme-tile{min-height:150px;border-radius:14px;padding:22px;border:1px solid var(--border);background:#dff2fc;color:var(--ink)}.theme-tile:nth-child(2n){background:#e2f5f2}.theme-tile:nth-child(3n){background:#e9f1fb}.theme-tile h3{margin:0 0 6px}.theme-tile p{margin:0;color:var(--text)}.shelf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.shelf-cell{background:#fff;border:1px solid var(--border);border-left:5px solid var(--bright);border-radius:10px;padding:18px}.shelf-cell:nth-child(even){border-left-color:var(--mint)}.big-chart{display:grid;gap:12px}.chart-row{display:grid;grid-template-columns:78px 1fr;align-items:center;background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px 20px}.chart-row b{font-size:36px;color:var(--steel);line-height:1}.timeline{position:relative;display:grid;gap:16px;padding-left:28px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--ice)}.timeline-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.timeline-item:before{content:"";position:absolute;left:-27px;top:24px;width:14px;height:14px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:7px;background:var(--soft);color:var(--steel);font-size:13px;font-weight:800}.app-panel{display:grid;grid-template-columns:minmax(260px,.7fr) 1.3fr;gap:22px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px}.app-copy h2{color:var(--ink);font-size:25px}.icon-chip{width:64px;height:64px;border-radius:14px;background:var(--deep);display:flex;align-items:center;justify-content:center;overflow:hidden}.icon-chip img{width:100%;height:100%;object-fit:contain}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.faq-item h2{margin:0 0 8px;font-size:19px;color:var(--ink)}.faq-item p{margin:0;color:var(--text)}.site-footer{background:var(--ink);color:#C7D8E6;padding:42px 0 calc(30px + env(safe-area-inset-bottom))}.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:26px}.footer-brand img{max-height:34px;max-width:180px;object-fit:contain}.footer-brand strong{display:block;color:#fff;font-size:20px}.footer-brand span{font-size:12px;letter-spacing:.08em}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-grid h2{color:#fff;font-size:15px;margin:0 0 10px}.footer-grid a{display:block;color:#C7D8E6;margin:5px 0;font-size:14px}.footer-grid a:hover{color:#fff}.footer-note{border-top:1px solid rgba(255,255,255,.12);margin:26px 0 0;padding-top:20px}.copyright{font-size:13px;color:#9fb7ca;margin-bottom:0}.ui-overlay{position:fixed;inset:0;background:rgba(16,38,58,.44);z-index:100;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.ui-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.toolbox{position:fixed;z-index:110;top:0;right:0;height:100dvh;width:min(420px,86vw);background:#fff;box-shadow:-18px 0 60px rgba(16,38,58,.18);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:.24s ease;display:flex;flex-direction:column}.toolbox.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.toolbox-head{min-height:76px;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}.toolbox-brand{display:flex;align-items:center;gap:10px}.toolbox-brand img{max-width:128px;max-height:30px;object-fit:contain}.toolbox-brand strong,.toolbox-brand span{display:block}.toolbox-brand span{font-size:11px;color:var(--muted)}.icon-close{width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--ink);font-size:25px;cursor:pointer}.toolbox-body{overflow:auto;padding:14px 18px 28px}.toolbox-body section+section{margin-top:20px}.toolbox-body h2{font-size:14px;color:var(--steel);margin:0 0 8px}.toolbox-body a{display:block;padding:10px 0;border-bottom:1px solid var(--border)}.toolbox-body strong{display:block;color:var(--ink)}.toolbox-body span{display:block;color:var(--muted);font-size:13px}.search-layer{position:fixed;z-index:115;left:0;right:0;top:92px;display:flex;justify-content:center;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-8px);transition:.2s}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.search-card{position:relative;width:min(760px,calc(100% - 32px));background:#fff;border:1px solid var(--accent-border);border-radius:14px;box-shadow:var(--shadow);padding:26px}.search-card h2{margin:0 48px 18px 0;color:var(--ink)}.search-close{position:absolute;right:18px;top:18px}.fake-search{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px;border:1px solid var(--accent-border);border-radius:10px;background:#f9fcfe;padding:6px 12px}.fake-search span{font-weight:800;color:var(--steel)}.fake-search input{width:100%;min-height:42px;border:0;outline:0;background:transparent;color:var(--ink)}.search-presets{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.search-presets a{min-height:42px;display:inline-flex;align-items:center;padding:0 13px;border:1px solid var(--border);border-radius:9px;color:var(--steel);font-weight:700}.mobile-nav{display:none}
@media(max-width:900px){.tag-strip{grid-template-columns:repeat(3,1fr)}.glance-grid,.app-panel{grid-template-columns:1fr}.triple-grid{grid-template-columns:1fr 1fr}.directory-list{grid-template-columns:1fr 1fr}.theme-grid,.shelf-grid{grid-template-columns:1fr 1fr}.section-grid{grid-template-columns:1fr}.content-card.wide{grid-column:auto}.app-media{max-height:360px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.tab-rail{display:none}.site-main{padding-top:92px}.viewport-inner{gap:8px}.brand-link{min-width:0;overflow:hidden}.brand-link img{max-width:120px}.brand-text{font-size:18px;white-space:nowrap}.toolbox-button,.app-link{padding:0 11px;font-size:14px}.page-wrap{padding-top:22px}.hero-copy{padding:22px}.home-cover .hero-copy{padding:20px}.banner-media{aspect-ratio:3/2}.content-media{height:210px}.tag-strip,.triple-grid,.theme-grid,.shelf-grid,.directory-list{grid-template-columns:1fr}.tag-mini{min-height:auto}.glance-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:6px}.chart-row{grid-template-columns:58px 1fr}.chart-row b{font-size:30px}.footer-grid{grid-template-columns:1fr 1fr;gap:18px}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.search-layer{inset:0;background:var(--ice);align-items:flex-start;padding-top:74px;overflow:auto}.search-card{width:calc(100% - 32px);border:0;box-shadow:none;background:transparent;padding:22px 0}.search-presets{display:grid;grid-template-columns:1fr 1fr}.search-presets a{background:#fff}.mobile-nav{position:fixed;z-index:75;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;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(16,38,58,.07)}.mobile-nav a{min-height:50px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;font-weight:800}.mobile-nav a.is-active{background:var(--blue);color:#fff}.ui-overlay{z-index:100}.toolbox{z-index:110}.media-slot img{object-fit:contain}.app-panel{padding:16px}.footer-note{font-size:14px}}
@media(max-width:420px){.shell-inner,.page-wrap{width:calc(100% - 32px)}.viewport-inner{grid-template-columns:minmax(0,1fr) auto auto}.toolbox-button,.app-link{padding:0 9px}.brand-link img{max-width:102px}.footer-grid{grid-template-columns:1fr}.search-presets{grid-template-columns:1fr}}