:root{--bg:#EEF5FB;--deep:#E3EEF7;--card:#FFFFFF;--ice:#D7E8F4;--ink:#10263A;--text:#243848;--muted:#5A7388;--faint:#7E93A6;--blue:#3B9FE0;--bright:#62B7EE;--steel:#1E6FB8;--iceblue:#A9D6F2;--mint:#2FA8A0;--line:rgba(30,111,184,.16);--line2:rgba(59,159,224,.38);--shadow:0 16px 40px rgba(16,38,58,.08);--max:1220px;--frame:22px;--view:70px;--tabs:44px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.layer-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{max-width:100%;display:block}.skip-link{position:fixed;left:10px;top:-80px;z-index:500;background:#fff;color:var(--steel);padding:10px 14px;border:1px solid var(--line2);border-radius:8px}.skip-link:focus{top:8px}.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}:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.browser-top{position:sticky;top:0;z-index:120;box-shadow:0 8px 20px rgba(16,38,58,.05)}.frame-bar{height:var(--frame);background:var(--steel);color:#fff;font-size:11px}.frame-inner,.viewport-inner,.tab-inner{max-width:var(--max);margin:auto;padding:0 22px}.frame-inner{height:22px;display:flex;align-items:center;justify-content:space-between;letter-spacing:.05em}.frame-search{border:0;background:transparent;color:#fff;padding:0 5px;cursor:pointer;font-size:11px}.frame-search:hover{text-decoration:underline}.viewport-bar{height:var(--view);background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.viewport-inner{height:70px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.browser-brand{justify-self:start;display:flex;align-items:center;min-height:44px}.browser-brand img{height:auto;max-height:36px;width:auto;max-width:190px;object-fit:contain}.browser-brand strong{font-size:21px;color:var(--ink);letter-spacing:-.03em}.toolbox-button{justify-self:center;min-height:44px;padding:0 16px;border:1px solid var(--line2);background:#fff;color:var(--steel);border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:8px;font-weight:700}.toolbox-button:hover{background:var(--deep)}.toolbox-icon{font-size:18px}.app-button{justify-self:end;min-height:44px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;background:linear-gradient(135deg,#62B7EE 0%,#3B9FE0 48%,#1E6FB8 100%);color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(30,111,184,.16)}.tab-rail{height:var(--tabs);background:var(--ice);border-bottom:1px solid var(--line2)}.tab-inner{height:44px;display:flex;align-items:center;gap:8px;overflow-x:auto;white-space:nowrap}.tab-inner a{padding:6px 12px;border-radius:7px;color:var(--muted);font-size:14px}.tab-inner a:hover{background:rgba(255,255,255,.7);color:var(--steel)}.tab-inner a.is-current{background:var(--blue);color:#fff}
.site-main{min-height:58vh}.shell{width:min(var(--max),calc(100% - 44px));margin:auto}.page-hero{padding:54px 0 34px;border-bottom:1px solid var(--line)}.eyebrow{color:var(--steel);font-weight:800;font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px;display:block}.page-hero h1,.home-copy h1{font-size:clamp(28px,4vw,32px);line-height:1.28;letter-spacing:-.035em;color:var(--ink);margin:0 0 16px}.lead{max-width:790px;color:var(--muted);margin:0}.section{padding:56px 0;border-top:1px solid rgba(30,111,184,.09)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.section-head h2{margin:0;color:var(--ink);font-size:26px;line-height:1.3;letter-spacing:-.02em}.section-head p{margin:0;max-width:570px;color:var(--muted)}h2,h3{color:var(--ink)}h3{line-height:1.4}.micro{font-size:12px;color:var(--steel);font-weight:800;letter-spacing:.1em;text-transform:uppercase}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{min-height:44px;padding:0 16px;border:1px solid var(--line2);border-radius:9px;background:#fff;color:var(--steel);font-weight:800;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}.btn.primary{color:#fff;border-color:transparent;background:linear-gradient(135deg,#62B7EE 0%,#3B9FE0 48%,#1E6FB8 100%)}.btn:hover{box-shadow:0 7px 18px rgba(16,38,58,.08);transform:translateY(-1px)}.text-link{font-weight:800;color:var(--steel)}.text-link:after{content:" →";color:var(--blue)}
.media-slot{background:linear-gradient(145deg,#fafdff,#dfeef8);border:1px solid var(--line2);border-radius:14px;min-height:190px;display:grid;place-items:center;overflow:hidden;padding:12px}.media-slot img{width:100%;height:100%;max-height:240px;object-fit:contain;object-position:center}.media-slot.banner{max-height:300px;min-height:220px;aspect-ratio:16/9}.media-slot.banner img{max-height:276px}.media-slot.app-media{min-height:330px;max-height:440px}.media-slot.app-media img{max-height:410px;width:auto}.media-fallback{color:var(--steel);font-weight:900;letter-spacing:.08em;text-align:center;padding:28px}
.home-hero{padding:26px 0 38px}.home-copy{padding:22px 4px 0}.home-copy p{max-width:790px;color:var(--muted);margin:0}.home-copy .brand-small{color:var(--steel);font-weight:900;margin-bottom:6px}.tag-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.tag-card{border-radius:12px;background:#fff;border:1px solid var(--line);padding:18px;min-height:128px;position:relative;overflow:hidden}.tag-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--bright)}.tag-card:nth-child(even):before{background:var(--mint)}.tag-card h3{margin:0 0 7px;font-size:18px}.tag-card p{margin:0 0 8px;color:var(--muted);font-size:14px}.report-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:18px;align-items:start}.report-copy{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}.report-copy h2{margin-top:0;font-size:25px}.report-copy p{color:var(--muted)}.number-rows{display:grid}.number-row{display:grid;grid-template-columns:70px 1fr;gap:14px;padding:18px 0;border-top:1px solid var(--line)}.number-row:first-child{border-top:0}.num{font-size:28px;line-height:1;color:var(--steel);font-weight:900}.number-row h3{margin:0 0 5px;font-size:18px}.number-row p{margin:0;color:var(--muted)}.view-board{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.view-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow)}.view-card .media-slot{height:205px;min-height:180px;margin-bottom:14px}.view-card h3{font-size:20px;margin:0 0 8px}.view-card p{color:var(--muted);margin:0 0 10px}.directory{display:grid;gap:10px}.directory-row{display:grid;grid-template-columns:160px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.directory-row strong{color:var(--steel)}.directory-row p{margin:0;color:var(--muted)}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.theme-tile{min-height:175px;border-radius:14px;padding:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.theme-tile:nth-child(2n){background:#e9f6fb}.theme-tile:nth-child(3n){background:#e5f2ed}.theme-tile h3{margin-top:20px}.theme-tile p{color:var(--muted)}.shelf-layout{display:grid;grid-template-columns:1fr 1fr;gap:12px}.shelf-item{display:grid;grid-template-columns:74px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.shelf-index{height:50px;display:grid;place-items:center;background:var(--ice);border-radius:8px;color:var(--steel);font-weight:900}.shelf-item h3{margin:0 0 6px}.shelf-item p{margin:0;color:var(--muted)}.big-chart{display:grid}.big-chart article{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:22px 0;border-top:1px solid var(--line)}.big-chart .rank{font-size:52px;line-height:1;color:var(--steel);font-weight:900;letter-spacing:-.05em}.big-chart h3{margin:0 0 6px;font-size:22px}.big-chart p{margin:0;color:var(--muted)}.timeline{position:relative;padding-left:32px}.timeline:before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:2px;background:var(--iceblue)}.timeline article{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:14px}.timeline article:before{content:"";position:absolute;left:-30px;top:22px;width:12px;height:12px;border-radius:50%;background:var(--blue);border:3px solid var(--bg)}.status{font-size:12px;color:var(--steel);font-weight:900}.timeline h3{margin:4px 0 6px}.timeline p{margin:0;color:var(--muted)}.lab-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.lab-card{background:#fff;border:1px solid var(--line2);border-radius:14px;padding:22px}.lab-card h3{margin-top:0}.lab-card p{color:var(--muted)}.article-stack article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;margin-bottom:14px}.article-stack article .label{font-size:12px;font-weight:900;color:var(--steel);letter-spacing:.08em}.article-stack h2{font-size:24px;margin:8px 0 10px}.article-stack p{color:var(--muted)}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.info-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.info-card h3{margin-top:0}.info-card p,.info-card li{color:var(--muted)}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.process article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.process strong{display:block;color:var(--steel);margin-bottom:7px}.process span{color:var(--muted);font-size:14px}.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:0 16px}.faq summary{cursor:pointer;list-style:none;font-weight:800;color:var(--ink);padding:16px 2px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"＋";float:right;color:var(--steel)}.faq details[open] summary:after{content:"－"}.faq p{color:var(--muted);padding:0 2px 16px;margin:0}.statement{font-size:22px;line-height:1.7;color:var(--ink);max-width:980px}.app-layout{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:34px;align-items:center}.app-layout h2{font-size:28px;margin:0 0 12px}.app-layout p{color:var(--muted)}
.site-footer{background:var(--ink);color:#c7d8e6;padding:54px 0 84px}.footer-shell{width:min(var(--max),calc(100% - 44px));margin:auto}.footer-brand-row{display:grid;grid-template-columns:280px 1fr;gap:30px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand img{max-width:112px;max-height:34px;object-fit:contain}.footer-brand strong,.footer-brand em{display:block;color:#fff}.footer-brand em{font-size:10px;letter-spacing:.12em;font-style:normal;color:#9bb7cc}.footer-brand-row p{margin:0;color:#b6cbdc}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0}.footer-grid h2{font-size:13px;color:#8fb2cb;letter-spacing:.1em}.footer-grid a{display:block;padding:5px 0;color:#c7d8e6}.footer-grid a:hover{color:#fff}.footer-note{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#9fb8ca;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8aa9bf}.footer-bottom a{margin-left:15px;color:#c7d8e6}
.overlay{position:fixed;inset:0;background:rgba(16,38,58,.48);z-index:180;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.toolbox{position:fixed;right:0;top:0;width:min(420px,86vw);height:100dvh;background:#f7fbfe;z-index:200;border-left:1px solid var(--line2);transform:translateX(103%);visibility:hidden;pointer-events:none;transition:transform .2s ease,visibility .2s ease;display:flex;flex-direction:column;box-shadow:-12px 0 30px rgba(16,38,58,.12)}.toolbox.is-open{transform:none;visibility:visible;pointer-events:auto}.toolbox-head{height:72px;flex:0 0 72px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line)}.toolbox-brand{display:flex;align-items:center;gap:10px}.toolbox-brand img{max-width:110px;max-height:32px;object-fit:contain}.toolbox-brand strong,.toolbox-brand em{display:block}.toolbox-brand em{font-style:normal;font-size:9px;color:var(--faint);letter-spacing:.12em}.close-button{width:44px;height:44px;border:1px solid var(--line2);background:#fff;border-radius:10px;color:var(--steel);font-size:24px;cursor:pointer}.toolbox-scroll{overflow-y:auto;padding:16px}.toolbox-search{width:100%;min-height:52px;border:1px solid var(--line2);background:#fff;border-radius:10px;color:var(--steel);font-weight:800;padding:10px 14px;text-align:left;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px}.toolbox-search span{font-weight:400;color:var(--faint);font-size:12px}.tool-group{padding:15px 0}.tool-group h2{font-size:12px;color:var(--faint);letter-spacing:.12em;text-transform:uppercase}.tool-group a{display:block;padding:12px 1px;border-top:1px solid var(--line)}.tool-group strong,.tool-group span{display:block}.tool-group strong{color:var(--ink)}.tool-group span{color:var(--muted);font-size:13px;margin-top:3px}.search-layer{position:fixed;z-index:205;left:0;right:0;top:calc(var(--frame) + var(--view));visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-12px);transition:.18s ease}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.search-card{width:min(780px,calc(100% - 32px));margin:12px auto 0;background:#fff;border:1px solid var(--line2);border-radius:14px;padding:20px;box-shadow:0 22px 50px rgba(16,38,58,.16)}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;color:var(--ink)}.search-input input{width:100%;height:50px;border:1px solid var(--line2);border-radius:9px;padding:0 14px;color:var(--ink);background:#fafdff}.search-presets{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-top:14px}.search-presets a{border:1px solid var(--line);border-radius:10px;padding:12px;background:#f8fcff}.search-presets strong,.search-presets span{display:block}.search-presets strong{color:var(--ink)}.search-presets span{font-size:12px;color:var(--muted)}.search-empty{color:var(--muted)}.mobile-bottom{display:none}
@media(max-width:900px){.report-layout,.app-layout{grid-template-columns:1fr}.view-board{grid-template-columns:1fr 1fr}.theme-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:1fr 1fr}.tag-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){:root{--tabs:0px}.frame-inner,.viewport-inner,.tab-inner{padding:0 16px}.viewport-inner{grid-template-columns:1fr auto auto;gap:8px}.browser-brand img{max-width:128px;max-height:32px}.browser-brand strong{font-size:18px}.toolbox-button{padding:0 12px}.toolbox-button span:last-child{display:none}.app-button{padding:0 12px}.tab-rail{display:none}.shell,.footer-shell{width:calc(100% - 32px)}.page-hero{padding:40px 0 28px}.section{padding:44px 0}.section-head{display:block}.section-head p{margin-top:8px}.tag-grid,.view-board,.theme-grid,.shelf-layout,.info-grid,.lab-grid{grid-template-columns:1fr}.directory-row{grid-template-columns:1fr;gap:5px}.big-chart article{grid-template-columns:80px 1fr}.big-chart .rank{font-size:42px}.process{grid-template-columns:1fr}.footer-brand-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}.footer-bottom a{margin-left:0;margin-right:14px}.site-footer{padding-bottom:110px}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:115;background:#f9fcfe;border-top:1px solid var(--line2);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{height:50px;display:grid;place-items:center;color:var(--muted);font-size:12px}.mobile-bottom a.is-current{background:var(--blue);color:#fff}.search-layer{top:0;height:100dvh;background:var(--ice);overflow-y:auto}.search-card{margin:0;width:100%;min-height:100dvh;border:0;border-radius:0;background:var(--ice);box-shadow:none;padding:16px}.search-presets{grid-template-columns:1fr}.media-slot.banner{min-height:180px}.statement{font-size:19px}}
@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.toolbox-search span{display:none}.number-row{grid-template-columns:55px 1fr}.num{font-size:24px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

.app-icon{width:58px;height:58px;object-fit:contain;object-position:center;margin:0 0 12px;border-radius:12px}