:root{
  --bg:#f7f7f4;--paper:#fff;--ink:#171717;--muted:#666;--line:#e7e2d8;
  --primary:#111827;--accent:#f59e0b;--accent-dark:#b45309;--soft:#fff7ed;
  --shadow:0 18px 45px rgba(17,24,39,.08);--radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#fffaf0 0%,var(--bg) 35%,#fff 100%);line-height:1.6}
a{color:inherit;text-decoration:none}
.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}
.topbar{background:#111827;color:#fff;font-size:14px;padding:10px 0}
.topbar .container{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.5px}
.logo{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#f59e0b,#f97316);display:grid;place-items:center;color:#111827;font-weight:900;box-shadow:0 10px 25px rgba(245,158,11,.35)}
.nav-links{display:flex;gap:18px;align-items:center;font-size:14px;color:#333}
.nav-links a:hover{color:var(--accent-dark)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;background:var(--primary);color:#fff;font-weight:800;box-shadow:0 10px 22px rgba(17,24,39,.14);cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-accent{background:linear-gradient(135deg,#f59e0b,#f97316);color:#111827}
.btn-ghost{background:#fff;color:#111827;border:1px solid var(--line);box-shadow:none}
.hero{padding:70px 0 42px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:36px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid #f3d48b;background:#fff7ed;border-radius:999px;color:#92400e;font-weight:800;font-size:13px}
h1{font-size:clamp(38px,6vw,72px);line-height:1.02;margin:18px 0;letter-spacing:-2px}
.lead{font-size:19px;color:#424242;max-width:680px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-card,.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.deal-card{border-radius:20px;border:1px solid #f1d7a1;background:linear-gradient(180deg,#fff7ed,#fff);padding:20px}
.deal-top{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.tag{font-size:12px;font-weight:900;color:#92400e;background:#ffedd5;padding:5px 9px;border-radius:999px}
.tag-main{background:#dbeafe;color:#1e3a8a}
.tag-save{background:#dcfce7;color:#166534}
.tag-complete{background:#fef3c7;color:#92400e}
.price{font-size:30px;font-weight:900;letter-spacing:-1px;margin:10px 0 3px}
.old{color:#8a8a8a;text-decoration:line-through;font-size:14px}
.section{padding:44px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}
.section h2{font-size:clamp(26px,3vw,40px);line-height:1.1;margin:0;letter-spacing:-1px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card h3{margin:0 0 8px;font-size:20px;line-height:1.25}
.card p{color:var(--muted);margin:0 0 16px}
.icon{width:50px;height:50px;border-radius:16px;background:#fff7ed;display:grid;place-items:center;font-size:24px;margin-bottom:14px}
.article-list{display:grid;gap:14px}
.article-item{display:grid;grid-template-columns:90px 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}
.thumb{width:90px;height:72px;border-radius:14px;background:linear-gradient(135deg,#fef3c7,#fde68a);display:grid;place-items:center;font-size:28px}
.article-item h3{margin:0 0 4px;font-size:18px}
.article-item p{margin:0;color:var(--muted);font-size:14px}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 30px rgba(17,24,39,.05)}
.product-img{height:220px;background:#f8f5ee;display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover;display:block}
.product-body{padding:16px}
.product-body h3{margin:10px 0 7px;font-size:18px;line-height:1.25}
.product-body p{font-size:14px;color:var(--muted);margin:0 0 12px}
.product-points{list-style:none;margin:12px 0 16px;padding:0;display:grid;gap:6px;color:#374151;font-size:13px}
.product-points li::before{content:"✓ ";font-weight:900;color:#166534}
.note{background:#111827;color:#fff;border-radius:24px;padding:28px;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}
.note p{color:#d1d5db;margin:6px 0 0}
.footer{margin-top:48px;background:#111827;color:#fff;padding:40px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:24px}
.footer a{color:#d1d5db;display:block;margin:7px 0;font-size:14px}
.footer p{color:#d1d5db}
.small{font-size:13px;color:#777}
.breadcrumb{font-size:14px;color:#777;margin:26px 0}
.page{padding:36px 0 60px}
.page article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:min(6vw,44px);box-shadow:var(--shadow)}
.page h1{font-size:clamp(34px,4.5vw,56px)}
.page h2{margin-top:34px;font-size:28px;line-height:1.2}
.page ul,.page ol{padding-left:22px}
.table-wrap{overflow:auto;margin:20px 0}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}
th{background:#fff7ed}
.callout{border-left:5px solid var(--accent);background:#fff7ed;padding:16px;border-radius:16px;margin:20px 0}
.choice-box{margin-top:28px;background:#f9fafb;border:1px solid var(--line);border-radius:20px;padding:22px}
.choice-box h2{margin-top:0}
@media(max-width:900px){.hero-grid,.note,.footer-grid{grid-template-columns:1fr}.grid-3,.product-grid{grid-template-columns:repeat(2,1fr)}.article-item{grid-template-columns:70px 1fr}.article-item .btn-ghost{grid-column:1/-1}.thumb{width:70px}}
@media(max-width:620px){.nav-inner{align-items:flex-start}.nav-links{display:none}.hero{padding:44px 0 26px}.grid-3,.product-grid{grid-template-columns:1fr}h1{letter-spacing:-1px}}