:root{--p:#5b4be0;--bg:#f6f7fb;--t:#1b1b2f}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--t)}
a{color:var(--p);text-decoration:none}.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 5%;background:#fff;box-shadow:0 1px 8px #0001;position:sticky;top:0;z-index:9}.nav a{margin-left:18px}.logo{font-weight:800;font-size:20px;margin:0!important}
.btn,button{background:var(--p);color:#fff!important;border:0;padding:10px 20px;border-radius:8px;cursor:pointer;font-size:15px;display:inline-block}.btn.alt{background:#fff;color:var(--p)!important;border:1px solid var(--p)}
.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:20px;padding:50px 5%;background:linear-gradient(135deg,#a78bfa,#5b4be0 60%,#5ee0e6);color:#fff}.hero h1{font-size:44px;margin:0 0 12px}.hero img{max-width:100%;max-height:420px;margin:auto;display:block;border-radius:20px}
.sec{padding:40px 5%}.sec h2{margin-top:0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 2px 12px #0001}.card img{width:100%;height:160px;object-fit:cover;background:#ddd}.card .b{padding:14px}
.old{text-decoration:line-through;color:#999;font-size:14px}.price{font-weight:800;font-size:20px}.slider{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}.slider .card{min-width:280px;scroll-snap-align:start}
.offer{background:#fff3cd;padding:12px 5%;text-align:center;font-weight:600}.box{max-width:420px;margin:40px auto;background:#fff;padding:28px;border-radius:14px;box-shadow:0 2px 12px #0001}
input,select,textarea{width:100%;padding:10px;margin:6px 0 14px;border:1px solid #ccd;border-radius:8px;font-size:15px}.detail{display:grid;grid-template-columns:2fr 1fr;gap:30px;padding:30px 5%}
.side{background:#fff;border-radius:14px;padding:20px;height:fit-content}.fee{background:#4f46e5;color:#fff;border-radius:12px;padding:16px;margin-bottom:14px}.side .r{display:flex;justify-content:space-between;border-bottom:1px solid #eee;padding:10px 0}
.tabs button{background:#fff;color:var(--p)!important;border:1px solid var(--p);margin-right:6px}.tabs button.on{background:var(--p);color:#fff!important}.tab{display:none;background:#fff;padding:20px;border-radius:12px;margin-top:12px}.tab.on{display:block}
.vid{position:relative;padding-top:56.25%;background:#000;border-radius:12px;overflow:hidden}.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.lock{display:grid;place-items:center;color:#fff;position:absolute;inset:0;font-size:22px}
details{background:#fff;padding:14px;border-radius:10px;margin-bottom:10px}.foot{text-align:center;padding:30px;background:#fff;margin-top:40px}table{width:100%;border-collapse:collapse;background:#fff}td,th{padding:8px;border-bottom:1px solid #eee;text-align:left}
@media(max-width:800px){.hero,.detail{grid-template-columns:1fr}.hero h1{font-size:30px}}
.acc details{background:none;border-radius:0;border-bottom:1px solid #e5e7eb;padding:14px 0;margin:0}.acc summary{font-weight:600;font-size:17px;cursor:pointer;list-style:none}.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";float:right;font-size:24px;line-height:1}.acc details[open]>summary::after{content:"−"}.acc details[open]>summary{color:var(--p);margin-bottom:10px}
.lr{display:flex;align-items:center;gap:12px;background:#f7f8fe;padding:12px 14px;margin-bottom:4px;border-radius:6px;color:var(--t)}a.lr:hover{background:#eceefc}.lr .pl{width:30px;height:30px;border:1px solid #c7c9f5;border-radius:50%;display:grid;place-items:center;color:var(--p);font-size:12px}.lr .lt{flex:1}.lr .ld{color:#666;font-size:14px}