:root{
  --bg:#f5f7fa;--surface:#fff;--surface-2:#f0f4f8;--text:#17202e;--muted:#6f7a8c;
  --line:#e3e8ef;--blue:#2166f3;--blue-2:#164fd2;--blue-soft:#eaf1ff;
  --green:#0b9f6e;--green-soft:#e7f8f1;--red:#dc4b4b;--red-soft:#fff0ef;
  --amber:#c17b17;--amber-soft:#fff6df;--shadow:0 20px 60px rgba(22,40,72,.09);
}
[data-theme="dark"]{
  --bg:#0e131c;--surface:#161d28;--surface-2:#202938;--text:#edf3fb;--muted:#99a6b8;
  --line:#2a3544;--blue:#6091ff;--blue-2:#82a7ff;--blue-soft:#1b2d50;
  --green:#41d3a0;--green-soft:#173c34;--red:#ff7777;--red-soft:#44262a;
  --amber:#ffc460;--amber-soft:#43351d;--shadow:0 24px 70px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;transition:.2s background}
button,input{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 45%,transparent);outline-offset:3px}
.hidden{display:none!important}
.topbar{height:76px;padding:0 max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;background:color-mix(in srgb,var(--surface) 92%,transparent);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-size:20px;font-weight:760;letter-spacing:-.4px}
.brand b{font-weight:760}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,#5c91ff,#1756e5);position:relative;display:flex;align-items:flex-end;justify-content:center;gap:3px;padding-bottom:9px;box-shadow:0 8px 20px rgba(33,102,243,.22)}
.brand-mark i{display:block;width:5px;border-radius:5px;background:white}.brand-mark i:nth-child(1){height:10px;opacity:.72}.brand-mark i:nth-child(2){height:18px}.brand-mark i:nth-child(3){height:14px;opacity:.86}
.top-meta{display:flex;align-items:center;gap:12px}.service-dot{color:var(--muted);font-size:13px}.service-dot:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#a7b0bd;margin-right:7px}.service-dot.ok:before{background:var(--green);box-shadow:0 0 0 4px color-mix(in srgb,var(--green) 14%,transparent)}
.top-link{color:var(--muted);text-decoration:none;font-size:14px}.top-link:hover{color:var(--blue)}
.icon-button{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:20px}
main{min-height:calc(100vh - 150px)}
.hero{max-width:1180px;margin:0 auto;padding:100px 24px 72px;text-align:center;position:relative}
.hero:before{content:"";position:absolute;z-index:-1;inset:0 12%;background:radial-gradient(circle at 50% 35%,color-mix(in srgb,var(--blue) 16%,transparent),transparent 58%);filter:blur(10px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border:1px solid color-mix(in srgb,var(--blue) 22%,var(--line));border-radius:99px;color:var(--blue);font-size:13px;background:color-mix(in srgb,var(--blue-soft) 62%,transparent)}
.eyebrow span{width:7px;height:7px;border-radius:50%;background:var(--blue)}
.hero h1{font-size:clamp(44px,6.8vw,78px);line-height:1.1;letter-spacing:-3px;margin:26px auto 20px;max-width:900px;font-weight:820}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero>p{font-size:17px;color:var(--muted);max-width:700px;margin:0 auto 34px}
.search-box{max-width:820px;margin:0 auto;display:flex;padding:7px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.search-input{display:flex;align-items:center;gap:12px;flex:1;min-width:0;padding:0 14px}.search-input svg{width:23px;fill:none;stroke:var(--muted);stroke-width:1.8}.search-input input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:16px;padding:14px 0}.search-input input::placeholder{color:#9aa4b2}
.primary-button,.secondary-button{border:0;border-radius:12px;font-weight:700;transition:.16s transform,.16s background}.primary-button{background:var(--blue);color:white;padding:0 28px}.primary-button:hover{background:var(--blue-2);transform:translateY(-1px)}.primary-button:disabled{opacity:.65;transform:none}
.search-box.searching .search-input input:disabled{opacity:1;color:var(--text);-webkit-text-fill-color:var(--text);cursor:default}.search-box.searching .primary-button{display:flex;align-items:center;justify-content:center;gap:9px}.search-box.searching .primary-button:before{content:"";width:16px;height:16px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
.secondary-button{padding:10px 16px;background:var(--surface);color:var(--text);border:1px solid var(--line)}
.hotwords{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:20px;color:var(--muted);font-size:13px;flex-wrap:wrap}.hotwords button{border:0;background:transparent;color:var(--blue);padding:2px 5px}
.contact-note{margin:18px auto 0;color:var(--muted);font-size:13px}.contact-note b{color:var(--blue);font-weight:750}
.hero-stats{margin:42px auto 0;display:grid;grid-template-columns:repeat(3,1fr);max-width:700px}.hero-stats div{display:flex;flex-direction:column;gap:3px;border-right:1px solid var(--line)}.hero-stats div:last-child{border:0}.hero-stats strong{font-size:24px}.hero-stats span{font-size:13px;color:var(--muted)}
.results-shell{max-width:1180px;margin:0 auto;padding:56px 24px 90px}.results-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-kicker,.dialog-kicker{font-size:11px;font-weight:800;letter-spacing:1.8px;color:var(--blue);margin:0 0 6px}.results-heading h2{font-size:30px;letter-spacing:-1px;margin:0}.result-summary{color:var(--muted);margin:5px 0 0}
.source-report{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.source-chip{font-size:12px;color:var(--muted);padding:5px 10px;background:var(--surface);border:1px solid var(--line);border-radius:99px}.source-chip.ok:before,.source-chip.fail:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:6px}.source-chip.ok:before{background:var(--green)}.source-chip.fail:before{background:var(--red)}
.filters{display:flex;gap:9px;overflow:auto;padding:2px 0 18px}.filter-button{white-space:nowrap;border:1px solid var(--line);background:var(--surface);color:var(--muted);padding:8px 13px;border-radius:10px}.filter-button.active{background:var(--text);color:var(--surface);border-color:var(--text)}
.result-list{display:grid;gap:12px}.resource-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:center;transition:.16s transform,.16s box-shadow,.16s border}.resource-card:hover{transform:translateY(-2px);box-shadow:0 12px 35px rgba(25,45,80,.08);border-color:color-mix(in srgb,var(--blue) 28%,var(--line))}
.resource-main{min-width:0}.resource-title{font-size:16px;font-weight:710;line-height:1.5;margin:0 0 10px;word-break:break-word}.resource-meta{display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap;color:var(--muted);font-size:12px}.pill{display:inline-flex;align-items:center;gap:6px;border-radius:7px;padding:3px 8px;font-weight:650}.platform-pill{background:var(--blue-soft);color:var(--blue)}.validity-pill.unknown{background:var(--surface-2);color:var(--muted)}.validity-pill.checking{background:var(--blue-soft);color:var(--blue)}.validity-pill.valid{background:var(--green-soft);color:var(--green)}.validity-pill.locked{background:var(--amber-soft);color:var(--amber)}.validity-pill.invalid{background:var(--red-soft);color:var(--red)}.validity-pill:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.resource-actions{display:flex;gap:8px}.get-button{border:0;background:var(--text);color:var(--surface);border-radius:11px;padding:10px 16px;font-weight:700}.get-button:hover{background:var(--blue);color:white}.get-button:disabled{opacity:.45;cursor:not-allowed}
.empty-state{padding:70px 20px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--line);border-radius:16px}.empty-state strong{display:block;color:var(--text);font-size:18px}.empty-state p{margin:6px 0 18px}.empty-state button{border:1px solid var(--line);background:var(--surface-2);color:var(--text);padding:9px 14px;border-radius:10px}.load-more{display:block;margin:24px auto 0;border:1px solid var(--line);background:var(--surface);color:var(--text);padding:11px 26px;border-radius:11px}
.skeleton{height:118px;border-radius:16px;background:linear-gradient(90deg,var(--surface) 25%,var(--surface-2) 38%,var(--surface) 62%);background-size:400% 100%;animation:shimmer 1.4s infinite}@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}
footer{max-width:1180px;margin:0 auto;padding:28px 24px 42px;color:var(--muted);font-size:12px;text-align:center;border-top:1px solid var(--line)}footer a{color:var(--blue);text-decoration:none}
.about-page{max-width:1040px;margin:0 auto;padding:76px 24px 100px}.about-hero{text-align:center;padding:28px 0 58px}.about-hero h1{font-size:clamp(42px,6vw,68px);line-height:1.1;letter-spacing:-2.5px;margin:22px 0 18px}.about-hero h1 em{font-style:normal;color:var(--blue)}.about-hero>p{max-width:720px;margin:0 auto;color:var(--muted);font-size:17px}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:26px}.about-card,.about-section{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:0 12px 38px rgba(22,40,72,.05)}.about-card{padding:26px}.about-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:var(--blue-soft);color:var(--blue);font-size:24px;font-weight:800}.about-card:nth-child(2) .about-icon{background:var(--green-soft);color:var(--green)}.about-card:nth-child(3) .about-icon{background:var(--amber-soft);color:var(--amber)}.about-card h2{font-size:19px;margin:16px 0 7px}.about-card p{color:var(--muted);margin:0}.about-section{padding:34px;margin-top:18px}.about-section h2{font-size:25px;margin:0 0 13px}.about-section>p{color:var(--muted);margin:0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.step{padding:20px;background:var(--bg);border-radius:14px}.step b{display:block;color:var(--blue);font-size:12px;letter-spacing:1px;margin-bottom:5px}.step strong{display:block;font-size:17px;margin-bottom:5px}.step span{color:var(--muted);font-size:14px}.disclaimer{border-color:color-mix(in srgb,var(--amber) 28%,var(--line));background:color-mix(in srgb,var(--amber-soft) 45%,var(--surface))}.disclaimer ul{margin:18px 0 0;padding-left:22px;color:var(--muted)}.disclaimer li+li{margin-top:10px}.about-cta{text-align:center;margin-top:32px}.about-cta a{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;border-radius:13px;padding:13px 25px;font-weight:750}
.acquire-dialog{width:min(620px,calc(100vw - 28px));border:0;border-radius:18px;padding:0;background:var(--surface);color:var(--text);box-shadow:0 30px 100px rgba(0,0,0,.25);overflow:hidden}.acquire-dialog::backdrop{background:rgba(7,12,22,.58);backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:16px;top:16px;border:1px solid var(--line);background:var(--surface);color:var(--muted);width:34px;height:34px;border-radius:9px;font-size:22px;z-index:1}.dialog-loading{min-height:310px;padding:28px 44px 34px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.dialog-loading h3{align-self:stretch;text-align:left;font-size:23px;margin:0 0 54px;padding-right:42px}.progress-ring{width:48px;height:48px;border:5px solid var(--blue-soft);border-top-color:var(--green);border-radius:50%;animation:spin 1s linear infinite;flex:0 0 auto}.progress-ring.done{border-color:var(--green);animation:none;display:grid;place-items:center}.progress-ring.done:after{content:"✓";color:var(--green);font-size:22px;font-weight:800}.progress-ring.failed{border-color:#fee2e2;animation:none;display:grid;place-items:center}.progress-ring.failed:after{content:"!";color:#ef4444;font-size:22px;font-weight:800}@keyframes spin{to{transform:rotate(360deg)}}
.task-message{font-size:17px;color:var(--muted);margin:22px 0 0}.task-hint{font-size:14px;color:var(--muted);opacity:.75;margin:8px 0 0}.share-result{margin:0 44px 34px}.share-result label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.share-result>div{display:flex}.share-result input{min-width:0;flex:1;border:1px solid var(--line);border-radius:10px 0 0 10px;background:var(--bg);color:var(--text);padding:10px}.share-result button{border:0;border-radius:0 10px 10px 0;background:var(--blue);color:white;padding:0 16px;font-weight:700}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--text);color:var(--surface);padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:.2s;z-index:60}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:720px){.topbar{height:64px;padding:0 16px}.service-dot{display:none}.top-link{font-size:13px}.hero{padding:70px 16px 50px}.hero h1{font-size:36px;line-height:1.15;letter-spacing:-1.5px}.hero>p{font-size:15px}.search-box{flex-direction:column;padding:8px}.search-input{min-height:52px}.primary-button{height:48px}.contact-note{padding:0 8px;line-height:1.6}.hero-stats{margin-top:38px}.results-shell{padding:40px 14px 70px}.results-heading{align-items:flex-start}.results-heading>div{min-width:0}.results-heading .secondary-button{display:inline-flex;flex:0 0 auto;padding:8px 11px;font-size:13px}.results-heading h2{font-size:27px}.resource-card{grid-template-columns:1fr;padding:16px}.resource-actions{justify-content:flex-end}.get-button{width:100%}.acquire-dialog{padding:0}.dialog-loading{min-height:290px;padding:24px 22px 30px}.dialog-loading h3{font-size:20px;margin-bottom:46px}.share-result{margin:0 22px 28px}.filters{margin-right:-14px}.source-report{margin-bottom:14px}.about-page{padding:48px 16px 72px}.about-hero{padding-bottom:38px}.about-hero h1{font-size:36px;line-height:1.15;letter-spacing:-1.5px}.about-hero>p{font-size:15px}.about-grid,.steps{grid-template-columns:1fr}.about-section{padding:24px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}