:root{--bg:#f5f7fb;--surface:#fff;--text:#1f2937;--muted:#667085;--line:#e5e7eb;--primary:#2563eb;--primary-dark:#1d4ed8;--success:#0f9f6e;--warning:#d97706;--danger:#dc2626;--radius:16px;--shadow:0 10px 30px rgba(15,23,42,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-dark)}img{max-width:100%;display:block}.container{width:min(1160px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:20px;font-weight:800;color:#111827}.nav-links{display:flex;align-items:center;gap:20px}.nav-links form{margin:0}.link-button{border:0;background:none;color:var(--muted);cursor:pointer;padding:0;font:inherit}.hero{padding:64px 0 42px}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:center}.eyebrow{color:var(--primary);font-weight:700;letter-spacing:.08em}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.12;margin:10px 0 18px;letter-spacing:-.04em}.hero p{font-size:17px;color:var(--muted);max-width:650px}.notice{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;border-radius:12px;padding:13px 16px}.section{padding:24px 0 64px}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:22px}.section-head h2{font-size:28px;margin:0}.section-head p{margin:0;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.product-card{overflow:hidden;display:flex;flex-direction:column}.product-cover{height:190px;background:linear-gradient(135deg,#dbeafe,#eef2ff);display:grid;place-items:center}.product-cover img{width:100%;height:100%;object-fit:cover}.cover-mark{font-size:48px;font-weight:900;color:#3b82f6}.product-body{padding:22px;display:flex;flex-direction:column;flex:1}.product-body h3{font-size:20px;margin:0 0 8px}.muted{color:var(--muted)}.price{font-size:28px;font-weight:850;color:#e11d48}.stock{font-size:13px;padding:4px 9px;border-radius:999px;background:#ecfdf5;color:#047857}.stock.out{background:#fff7ed;color:#c2410c}.product-meta{display:flex;align-items:center;justify-content:space-between;margin:16px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:9px 18px;border:1px solid transparent;border-radius:10px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer;font:inherit}.btn:hover{background:var(--primary-dark);color:#fff}.btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}.btn-secondary:hover{background:#f8fafc;color:var(--text)}.btn-danger{background:var(--danger)}.btn-small{min-height:34px;padding:5px 11px;font-size:13px}.btn-block{width:100%}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;padding:42px 0}.detail-cover{min-height:420px;overflow:hidden;display:grid;place-items:center;background:linear-gradient(135deg,#dbeafe,#f5f3ff)}.detail-cover img{width:100%;height:100%;object-fit:cover}.detail-info{padding:6px}.detail-info h1{font-size:36px;line-height:1.25;margin:8px 0}.description{white-space:pre-line;color:#475467}.buy-box{padding:22px;margin-top:24px}.form-group{margin-bottom:16px}.form-label{display:block;font-weight:700;margin-bottom:6px}.input,.select,.textarea{width:100%;border:1px solid #d0d5dd;border-radius:10px;padding:10px 12px;background:#fff;color:var(--text);font:inherit;outline:none}.input:focus,.select:focus,.textarea:focus{border-color:#60a5fa;box-shadow:0 0 0 3px rgba(59,130,246,.12)}.textarea{min-height:120px;resize:vertical}.help{font-size:13px;color:var(--muted);margin-top:5px}.captcha-row{display:grid;grid-template-columns:1fr 150px;gap:10px;align-items:center}.captcha-image{width:150px;height:48px;border-radius:8px;cursor:pointer}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-card{padding:22px;text-align:center;background:linear-gradient(145deg,#fff,#f0fdf4)}.contact-card img{width:180px;height:180px;object-fit:contain;margin:16px auto;border-radius:12px;border:1px solid var(--line);background:#fff}.wechat-id{font-size:20px;font-weight:800}.floating-contact{position:fixed;right:20px;bottom:20px;z-index:20;width:210px;padding:14px;text-align:center}.floating-contact img{width:116px;height:116px;object-fit:contain;margin:8px auto;border-radius:8px}.floating-contact .wechat-id{font-size:15px}.flash{margin:20px auto 0;padding:12px 16px;border-radius:10px;border:1px solid}.flash-success{background:#ecfdf5;border-color:#a7f3d0;color:#047857}.flash-error{background:#fef2f2;border-color:#fecaca;color:#b91c1c}.flash-warning{background:#fffbeb;border-color:#fde68a;color:#92400e}.flash-info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}.panel{padding:26px}.auth-wrap{max-width:480px;margin:54px auto}.auth-wrap h1{margin-top:0}.order-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.summary-item{padding:18px;background:#f8fafc;border-radius:12px}.summary-item strong{display:block;font-size:18px;margin-top:4px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:720px}.table th,.table td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:middle}.table th{font-size:13px;color:var(--muted);background:#f8fafc}.status{display:inline-flex;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:700;background:#f3f4f6}.status-0{background:#fff7ed;color:#c2410c}.status-1,.status-2{background:#ecfdf5;color:#047857}.status-3{color:#667085}.status-4{background:#fef2f2;color:#b91c1c}.secret-box{padding:18px;background:#111827;color:#f9fafb;border-radius:12px;margin:12px 0;word-break:break-all}.secret-box code{font:700 17px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace}.copy-row{display:flex;gap:10px;align-items:center}.site-footer{border-top:1px solid var(--line);padding:28px 0 100px;color:var(--muted);background:#fff}.empty{padding:44px;text-align:center;color:var(--muted)}.pagination{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}.page-link{padding:7px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}.page-link.current{background:var(--primary);color:#fff;border-color:var(--primary)}
@media(max-width:900px){.product-grid{grid-template-columns:repeat(2,1fr)}.hero-grid,.detail-grid{grid-template-columns:1fr}.detail-cover{min-height:300px}.floating-contact{width:168px}.floating-contact img{width:90px;height:90px}.order-summary{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.container{width:min(100% - 22px,1160px)}.nav{min-height:60px}.nav-links{gap:12px;font-size:14px}.nav-links .hide-mobile{display:none}.hero{padding:38px 0 28px}.hero h1{font-size:36px}.product-grid{grid-template-columns:1fr}.detail-grid{padding:24px 0;gap:20px}.detail-info h1{font-size:28px}.form-grid{grid-template-columns:1fr}.captcha-row{grid-template-columns:1fr 126px}.captcha-image{width:126px}.floating-contact{position:static;width:auto;margin:0 11px 18px}.floating-contact img{width:120px;height:120px}.site-footer{padding-bottom:30px}.order-summary{grid-template-columns:1fr}.panel{padding:18px}.copy-row{align-items:stretch;flex-direction:column}}