:root{
  --paper:#FCFBF7;--paper-2:#F5F3EB;--ink:#17171C;--ink-soft:#4B4B55;--muted:#6B6B78;
  --line:#E7E4DA;--line-strong:#D9D5C8;--blue:#2540E8;--blue-ink:#1B2FA8;--hi:#D8FB57;--hi-deep:#C4EA3F;--verified:#1F9D55;
  --green-bg:#E9F7EE;--green-tx:#137a42;--blue-bg:#EBEEFE;--blue-tx:#1B2FA8;--amber-bg:#FCF1DE;--amber-tx:#9A6410;
  --card:#FFFFFF;--shadow:0 1px 2px rgba(20,20,26,.04),0 6px 20px rgba(20,20,26,.06);--radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:'Inter',system-ui,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.display{font-family:'Space Grotesk',sans-serif}
.mono{font-family:'Space Mono',monospace}
.hi{position:relative;white-space:nowrap;background:linear-gradient(120deg,var(--hi),var(--hi-deep));box-shadow:-.08em 0 0 var(--hi),.12em 0 0 var(--hi-deep);padding:0 .04em;border-radius:2px}

header{position:sticky;top:0;z-index:50;background:rgba(252,251,247,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:66px;gap:18px}
.brand{display:flex;flex-direction:column;line-height:1.06}
.brand .name{font-family:'Space Grotesk';font-weight:700;font-size:20px;letter-spacing:-.02em}
.brand .name b{color:var(--blue)}
.brand .by{font-size:11.5px;color:var(--muted);margin-top:2px}
.brand .by .owner{color:var(--ink);font-weight:600;border-bottom:1.5px solid var(--hi-deep);padding-bottom:1px}
.submit-btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;background:var(--ink);color:#fff;font-family:'Space Grotesk';font-weight:600;font-size:15px;cursor:pointer;border:none;transition:transform .12s,box-shadow .15s,background .15s}
.submit-btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,20,26,.18);background:#000}
.submit-btn svg{color:var(--hi)}

.hero{padding:52px 0 30px;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'Space Mono';font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--blue-ink);background:rgba(37,64,232,.07);border:1px solid rgba(37,64,232,.16);padding:6px 12px;border-radius:30px;margin-bottom:22px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--verified);box-shadow:0 0 0 3px rgba(31,157,85,.18)}
h1{font-family:'Space Grotesk';font-weight:700;letter-spacing:-.03em;line-height:1.03;font-size:clamp(34px,4.6vw,56px);margin-bottom:18px}
.sub{font-size:18px;color:var(--ink-soft);max-width:48ch;line-height:1.55;margin-bottom:26px}
.cta-row{display:flex;align-items:center;gap:13px;flex-wrap:wrap;margin-bottom:26px}
.btn{display:inline-flex;align-items:center;gap:9px;height:50px;padding:0 24px;border-radius:12px;font-family:'Space Grotesk';font-weight:600;font-size:16px;cursor:pointer;border:1px solid transparent;transition:transform .12s,box-shadow .15s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(37,64,232,.28)}
.btn-ghost{background:var(--card);border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.regionbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.regionbar .lbl{font-family:'Space Mono';font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.rchip{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;border-radius:9px;border:1px solid var(--line-strong);background:var(--card);cursor:pointer;font-size:13.5px;font-weight:500;color:var(--ink-soft);transition:all .14s}
.rchip:hover{border-color:var(--ink)}
.rchip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.hero-img{position:relative}
.hero-img img{width:100%;height:auto;display:block}
.hero-img::before{content:"";position:absolute;inset:8% 4% 4% 4%;background:radial-gradient(circle at 55% 45%,rgba(37,64,232,.06),transparent 62%);z-index:-1}

section{padding:26px 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px;gap:16px;flex-wrap:wrap}
.sec-head h2{font-family:'Space Grotesk';font-weight:600;font-size:26px;letter-spacing:-.02em}
.sec-head .k{font-family:'Space Mono';font-size:12.5px;color:var(--muted)}

.filterbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.search{position:relative;flex:1;min-width:220px;max-width:340px}
.search input{width:100%;height:44px;border:1px solid var(--line-strong);border-radius:11px;background:var(--card);padding:0 14px 0 40px;font-family:'Inter';font-size:14.5px;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.search input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,64,232,.12)}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted)}
.catchips{display:flex;gap:7px;flex-wrap:wrap}
.cchip{height:38px;padding:0 14px;border-radius:9px;border:1px solid var(--line-strong);background:var(--card);cursor:pointer;font-size:13.5px;font-weight:500;color:var(--ink-soft);display:inline-flex;align-items:center;gap:6px;transition:all .14s}
.cchip:hover{border-color:var(--ink)}
.cchip.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.cchip .n{font-family:'Space Mono';font-size:11px;opacity:.7}

.offer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.offer{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:13px;transition:all .15s;color:inherit}
.offer:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.offer .top{display:flex;align-items:flex-start;gap:12px}
.logo{width:48px;height:48px;border-radius:12px;background:var(--paper-2);border:1px solid var(--line);display:grid;place-items:center;flex-shrink:0;overflow:hidden}
.logo img{width:30px;height:30px;object-fit:contain}
.logo-mono{width:100%;height:100%;place-items:center;font-family:'Space Grotesk';font-weight:700;font-size:16px;color:var(--ink-soft)}
.nm-wrap{flex:1;min-width:0}
.offer h3{font-family:'Space Grotesk';font-weight:600;font-size:17px;letter-spacing:-.01em;line-height:1.15;margin-bottom:6px}
.tags{display:flex;gap:5px;flex-wrap:wrap}
.tag{font-size:10.5px;font-weight:600;padding:2px 8px;border-radius:20px;letter-spacing:.01em}
.tag.ai{background:var(--blue-bg);color:var(--blue-tx)}
.tag.free{background:var(--green-bg);color:var(--green-tx)}
.tag.web{background:var(--paper-2);color:var(--muted)}
.tag.discount{background:var(--amber-bg);color:var(--amber-tx)}

.deal{border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:2px}
.deal.free{background:var(--green-bg)}
.deal.discount{background:var(--blue-bg)}
.deal.credit{background:var(--amber-bg)}
.deal .big{font-family:'Space Grotesk';font-weight:700;font-size:30px;line-height:1;letter-spacing:-.02em}
.deal.free .big{color:var(--green-tx)}
.deal.discount .big{color:var(--blue-tx)}
.deal.credit .big{color:var(--amber-tx)}
.deal .small{font-size:13px;font-weight:500;color:var(--ink-soft)}

.desc{font-size:13.5px;color:var(--muted);line-height:1.45;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.claim{display:flex;align-items:center;justify-content:center;gap:8px;height:46px;border-radius:11px;background:var(--blue);color:#fff;font-family:'Space Grotesk';font-weight:600;font-size:15px;transition:background .15s,transform .12s}
.claim:hover{background:var(--blue-ink);transform:translateY(-1px)}
.foot-meta{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--line)}
.region-pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;color:var(--ink-soft)}
.region-pill .fl{font-size:15px}
.vstamp{font-family:'Space Mono';font-size:11px;color:var(--muted);display:flex;align-items:center;gap:5px}
.vstamp svg{color:var(--verified)}
.empty{text-align:center;color:var(--muted);padding:40px 0;font-size:15px}

.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.cat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;transition:all .15s;color:inherit}
.cat:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow)}
.cat .l{display:flex;align-items:center;gap:11px}
.cat .ico{width:34px;height:34px;border-radius:9px;background:var(--paper-2);display:grid;place-items:center;font-size:17px}
.cat .nm{font-weight:550;font-size:14px;line-height:1.15}
.cat .ct{font-family:'Space Mono';font-size:13px;color:var(--muted);font-weight:700}
.cat.lead{background:var(--ink);border-color:var(--ink)}
.cat.lead .nm{color:#fff}.cat.lead .ct{color:var(--hi)}.cat.lead .ico{background:rgba(255,255,255,.1)}

/* offer detail */
.crumbs{font-size:13px;color:var(--muted);padding:22px 0 4px}
.crumbs a:hover{color:var(--blue)}
.offer-detail{display:grid;grid-template-columns:1fr 320px;gap:32px;padding:14px 0 20px;align-items:start}
.od-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.od-head .logo{width:64px;height:64px}.od-head .logo img{width:40px;height:40px}
.od-head h1{font-size:32px;margin-bottom:8px}
.offer-detail .deal{max-width:360px;margin-bottom:20px}
.offer-detail .deal .big{font-size:34px}
.od-desc{font-size:16px;color:var(--ink-soft);line-height:1.6;margin-bottom:18px;max-width:60ch}
.od-note{background:var(--amber-bg);color:var(--amber-tx);border-radius:12px;padding:14px 16px;font-size:14px;margin-bottom:22px;max-width:60ch}
.od-h{font-family:'Space Grotesk';font-size:19px;margin:24px 0 12px}
.od-steps{padding-left:20px;display:flex;flex-direction:column;gap:9px;color:var(--ink-soft);font-size:15px;max-width:60ch}
.od-side{position:sticky;top:88px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.big-claim{height:52px;font-size:16px;margin-bottom:18px}
.od-facts{display:flex;flex-direction:column;gap:12px}
.od-facts>div{display:flex;flex-direction:column;gap:2px}
.od-facts dt{font-family:'Space Mono';font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.od-facts dd{font-size:14px;color:var(--ink);font-weight:500}
.od-report{display:block;margin-top:18px;font-size:13px;color:var(--blue)}

.cat-hero{display:flex;align-items:center;gap:18px;padding:26px 0 8px}
.cat-hero .ico-lg{width:60px;height:60px;border-radius:14px;background:var(--paper-2);display:grid;place-items:center;font-size:30px;flex-shrink:0}
.cat-hero h1{font-size:32px;margin-bottom:6px}
.cat-hero p{color:var(--muted);font-size:15px;max-width:60ch}

.content{padding:40px 0;max-width:70ch}
.content h1{font-size:34px;margin-bottom:18px}
.content h2{font-family:'Space Grotesk';font-size:22px;margin:24px 0 10px}
.content p{color:var(--ink-soft);margin-bottom:14px;line-height:1.65}
.content ul{padding-left:22px;display:flex;flex-direction:column;gap:10px;color:var(--ink-soft);margin-bottom:16px}
.content code{background:var(--paper-2);padding:2px 6px;border-radius:5px;font-family:'Space Mono';font-size:13px}
.req-form{display:flex;flex-direction:column;gap:12px;max-width:440px;margin-top:20px}
.req-form input,.req-form textarea{border:1px solid var(--line-strong);border-radius:10px;padding:12px 14px;font-family:'Inter';font-size:14.5px;background:var(--card)}
.req-form textarea{min-height:100px;resize:vertical}

footer{margin-top:52px;border-top:1px solid var(--line);background:var(--paper-2)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:46px 0 28px}
.foot .brand-col .name{font-family:'Space Grotesk';font-weight:700;font-size:18px}
.foot .brand-col .name b{color:var(--blue)}
.foot .brand-col p{font-size:13.5px;color:var(--muted);margin-top:10px;max-width:34ch;line-height:1.55}
.foot .brand-col p a{color:var(--ink);font-weight:600}
.foot h5{font-family:'Space Mono';font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink);margin-bottom:13px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.foot ul a{font-size:14px;color:var(--ink-soft)}
.foot ul a:hover{color:var(--blue)}
.subfoot{border-top:1px solid var(--line);padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.subfoot .owner{color:var(--ink);font-weight:600}
.subfoot .agent{font-family:'Space Mono';display:flex;gap:16px}
.subfoot .agent a:hover{color:var(--blue)}

@media(max-width:900px){
  .hero{grid-template-columns:1fr;gap:10px}
  .hero-img{max-width:440px;margin:0 auto;order:-1}
  .offer-detail{grid-template-columns:1fr}
  .od-side{position:static}
  .foot{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:520px){
  .foot{grid-template-columns:1fr}
  .submit-btn span{display:none}
}