:root{--blue:#0071e3;--ink:#1d1d1f;--muted:#686b73;--line:#e6e8ed;--surface:#f5f6f8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);background:white;font:15px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}button,input,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #0071e35c;outline-offset:4px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 23px;border-radius:11px;font-size:14px;font-weight:550;text-decoration:none;border:1px solid transparent;white-space:nowrap}.primary{color:#fff;background:var(--blue);border-color:var(--blue)}.primary:hover{background:#0064ce}.secondary{background:#f3f4f7;color:var(--ink);border-color:var(--line)}.wordmark{display:flex;align-items:center;gap:7px;color:var(--ink);font-weight:750;font-size:24px;letter-spacing:-1px;white-space:nowrap}.wordmark img{width:42px;height:42px;object-fit:contain}.site-nav{height:78px;padding:0 max(28px,calc((100vw - 1180px)/2));display:flex;align-items:center;gap:25px;position:sticky;top:0;z-index:3;background:#ffffffed;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.site-nav nav{display:flex;gap:28px;margin-left:auto}.site-nav nav a{font-size:13px;color:#515560}.site-nav>.primary{min-height:38px;padding:8px 18px;font-size:12px}.hero{max-width:1000px;margin:0 auto;text-align:center;padding:91px 24px 62px}.eyebrow{font-size:12px;letter-spacing:1px;color:var(--muted);font-weight:550;margin:0 0 18px}.hero h1{font-size:clamp(48px,6.5vw,82px);line-height:1.15;letter-spacing:-4px;font-weight:700;margin:0 0 27px}.hero-tagline{font-size:clamp(18px,2.4vw,25px);font-weight:550;letter-spacing:-.4px;margin:0 0 15px}.hero-description{font-size:16px;color:var(--muted);line-height:1.9;margin:0}.hero-actions{display:flex;justify-content:center;gap:12px;margin:30px 0 14px}.hero-note{color:#747983;font-size:11px;margin:0}.category-strip{max-width:1080px;margin:0 auto 30px;display:grid;grid-template-columns:repeat(4,1fr);padding:25px 10px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.category-strip .category-item{display:flex;align-items:center;justify-content:center;gap:12px;font-size:13px;color:#505662}.category-strip img{width:22px;height:22px;object-fit:contain;opacity:.75}.section{max-width:1180px;margin:auto;padding:78px 28px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:32px}.section-title .eyebrow{margin-bottom:10px}.section-title h2,.how h2,.contact h2{font-size:clamp(28px,3vw,38px);letter-spacing:-1.4px;line-height:1.3;margin:0}.section-title>p{font-size:12px;color:var(--muted);margin:0}.showcase-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.showcase-card{padding:20px 15px 17px;border:1px solid var(--line);background:#f8f9fb;border-radius:16px;min-width:0}.showcase-image{height:265px;display:flex;align-items:center;justify-content:center;margin-bottom:17px;background:#fff;border-radius:9px;overflow:hidden}.showcase-image img{width:100%;height:100%;object-fit:contain}.showcase-card h3{font-size:15px;margin:0 0 5px;font-weight:600}.showcase-card p{font-size:11px;color:var(--muted);margin:0}.showcase-card .preview-failed{font-size:12px;color:#727985;padding:25px;text-align:center}.section-end{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:25px}.section-end p{font-size:12px;color:var(--muted);margin:0}.text-button{background:none;border:0;color:var(--blue);font-size:13px;padding:8px;white-space:nowrap}.how{border-top:1px solid var(--line)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;padding-top:12px}.step-number{font-size:12px;color:var(--blue);display:block;margin-bottom:15px;font-weight:650}.steps h3{font-size:20px;font-weight:600;margin:0 0 10px;letter-spacing:-.3px}.steps p{font-size:13px;color:var(--muted);margin:0;line-height:1.9;max-width:260px}.contact{background:var(--surface);border:1px solid var(--line);border-radius:20px;max-width:1124px;padding:44px;display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:70px}.contact .eyebrow{margin-bottom:12px}.contact p:not(.eyebrow){font-size:13px;color:var(--muted);margin:14px 0 0}footer{display:flex;align-items:center;gap:20px;max-width:1180px;margin:0 auto;padding:25px 28px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}footer .wordmark{font-size:17px}footer p{margin:0}footer>a:last-child{margin-left:auto;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:20px;padding:38px;width:440px;max-width:calc(100vw - 32px);color:var(--ink);box-shadow:0 18px 70px #18243b20}dialog::backdrop{background:#18202b55;backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:15px;top:12px;background:transparent;border:0;padding:7px;color:var(--muted);font-size:12px}.dialog-logo{width:55px;height:55px;object-fit:contain;margin-bottom:14px}dialog h2{font-size:25px;letter-spacing:-.7px;line-height:1.4;margin:0 0 12px}dialog .eyebrow{margin-bottom:10px}.subtle{color:var(--muted);font-size:12px}label{display:block;font-size:12px;font-weight:550;margin:24px 0 7px}input,select{min-height:44px;width:100%;border:1px solid #cfd4dc;border-radius:9px;background:white;padding:10px 12px;color:var(--ink);min-width:0}input:focus,select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px #0071e320}.form-error{color:#b33737;font-size:12px;min-height:20px;margin:9px 0}.dialog-help{font-size:12px;color:var(--muted);margin:21px 0 0}dialog .primary{width:100%}.admin-shell{max-width:1160px;margin:0 auto;padding:42px 28px}.admin-title{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:30px}.admin-title h1{font-size:29px;letter-spacing:-1px;margin:0}.admin-title p{margin:7px 0 0}.admin-login{max-width:420px;margin:70px auto;padding:32px;border:1px solid var(--line);border-radius:16px;background:white}.admin-login h1{font-size:26px;letter-spacing:-.8px;margin:0 0 10px}.admin-login .primary{width:100%}.admin-toolbar{background:#f6f8fb;border:1px solid var(--line);border-radius:14px;padding:22px;display:grid;grid-template-columns:160px minmax(150px,1fr) auto;align-items:end;gap:15px}.admin-toolbar label{margin:0 0 7px}.admin-stats{display:flex;gap:30px;margin:27px 0;color:var(--muted);font-size:12px}.admin-stats strong{font-size:21px;color:var(--ink);margin-left:7px;font-weight:600}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:12px}th{text-align:left;background:#f6f7f9;color:#636a75;font-weight:500}th,td{padding:15px 17px;border-bottom:1px solid var(--line)}tr:last-child td{border-bottom:0}td .copy-key{border:1px solid var(--line);background:#fff;border-radius:7px;font-size:11px;padding:5px 8px;margin-left:8px;color:var(--blue)}.key-mask{font-family:ui-monospace,monospace;font-size:11px}.pill{display:inline-block;font-size:11px;border-radius:6px;padding:3px 8px;background:#edf3ff;color:#315f9b}.pill.active{background:#edf7f1;color:#347350}.pill.expired{background:#f4f4f5;color:#6f7279}.admin-note{white-space:normal;max-width:220px;color:#676e79}.hidden{display:none!important}.notice{padding:13px 16px;border-radius:9px;background:#edf5ff;color:#315878;font-size:12px;margin:18px 0}.empty-records{text-align:center;color:var(--muted);padding:50px 15px}.admin-logout{border:1px solid var(--line);border-radius:8px;background:white;padding:8px 13px;color:#626975;font-size:12px}
@media(max-width:800px){.site-nav{padding:0 20px;height:68px}.site-nav nav{gap:16px}.site-nav nav a{font-size:12px}.hero{padding-top:65px}.hero h1{letter-spacing:-2px}.showcase-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding:52px 22px}.contact{margin:0 22px 45px;padding:30px;display:block}.contact>.primary{margin-top:25px}.steps{gap:22px}.section-title h2,.contact h2{font-size:30px}.admin-toolbar{grid-template-columns:140px 1fr}.admin-toolbar>.primary{grid-column:1/-1}.admin-shell{padding:30px 20px}}
@media(max-width:520px){.site-nav nav{display:none}.site-nav>.primary{margin-left:auto}.hero h1{font-size:48px}.hero-description{font-size:14px}.hero-actions{gap:8px}.hero-actions .primary,.hero-actions .secondary{padding-inline:16px;font-size:13px}.hero-tagline{font-size:17px}.category-strip{grid-template-columns:repeat(2,1fr);gap:22px;margin-inline:22px;padding:23px 0}.category-strip .category-item{font-size:12px;gap:9px}.section-title{display:block}.section-title>p{margin-top:18px}.section-title h2{font-size:27px}.showcase-grid{gap:10px}.showcase-card{padding:12px 9px}.showcase-image{height:210px}.showcase-card h3{font-size:13px}.section-end{display:block}.section-end .text-button{padding-left:0;margin-top:12px}.steps{grid-template-columns:1fr;gap:28px}.steps p{max-width:none}.step-number{margin-bottom:6px}.steps h3{font-size:18px}.contact{padding:25px}.contact h2{font-size:26px}.contact .primary{font-size:12px;padding-inline:15px}footer{flex-wrap:wrap;padding:22px}footer p{width:100%;order:2}dialog{padding:30px 24px}.admin-toolbar{grid-template-columns:1fr}.admin-toolbar>.primary{grid-column:auto}.admin-stats{gap:18px;flex-wrap:wrap}.admin-title h1{font-size:25px}.admin-login{margin-top:30px}.wordmark{font-size:22px}.wordmark img{width:36px;height:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.category-strip .category-item{color:#565b65;min-height:44px;padding:8px;border-radius:9px}.category-strip .category-item:hover{color:#0071e3;background:#f1f6ff}.showcase-card{scroll-margin-top:96px}