:root {
    --ar-bg: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --ar-glass: rgba(255, 255, 255, 0.04);
    --ar-glass-border: rgba(255, 255, 255, 0.1);
    --ar-accent: #818cf8;
    --ar-text: #f8fafc;
    --ar-sub: #94a3b8;
    --ar-radius: 16px;
}
body { margin: 0; background: var(--ar-bg); color: var(--ar-text); font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; min-height: 100vh; padding-top: 80px; background-attachment: fixed; }
.ar-header { position: fixed; top: 0; width: 100%; height: 64px; background: rgba(15, 23, 42, 0.8); backdrop-filter: blur(15px); border-bottom: 1px solid var(--ar-glass-border); z-index: 2000; }
.ar-nav-in { max-width: 1400px; margin: 0 auto; height: 100%; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; }
.ar-logo img { height: 26px; }
.ar-menu { display: flex; gap: 30px; }
.ar-menu a { text-decoration: none; color: var(--ar-text); font-size: 14px; font-weight: 500; opacity: 0.8; transition: 0.3s; }
.ar-menu a:hover { opacity: 1; color: var(--ar-accent); }
.ar-container { max-width: 1400px; margin: 0 auto; padding: 0 20px; box-sizing: border-box; }
.ar-glass-card { background: var(--ar-glass); backdrop-filter: blur(10px); border: 1px solid var(--ar-glass-border); border-radius: var(--ar-radius); box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
.ar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 15px; margin-bottom: 50px; }
.ar-item { padding: 15px; text-decoration: none; transition: 0.4s; position: relative; overflow: hidden; }
.ar-item:hover { background: rgba(255,255,255,0.08); transform: translateY(-5px); border-color: var(--ar-accent); }
.ar-img-box { width: 100%; aspect-ratio: 1; background: rgba(255,255,255,0.03); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.ar-img-box img { width: 65%; height: 65%; object-fit: contain; }
.ar-name { font-size: 13px; font-weight: 600; color: #fff; height: 36px; line-height: 1.4; overflow: hidden; margin-bottom: 10px; }
.ar-price { color: #fb7185; font-weight: 800; font-size: 16px; }
.ar-sell { font-size: 10px; color: var(--ar-sub); }
.ar-badge { position: absolute; top: 10px; right: 10px; background: var(--ar-accent); color: #fff; font-size: 9px; padding: 2px 6px; border-radius: 4px; }
.ar-detail-main { display: grid; grid-template-columns: 1.5fr 1fr; gap: 30px; padding-bottom: 60px; }
.ar-rich-box { padding: 35px; margin-bottom: 20px; }
.ar-h1 { font-size: 26px; font-weight: 700; margin: 0 0 20px 0; letter-spacing: -1px; }
.ar-input { width: 100%; height: 46px; background: rgba(255,255,255,0.05); border: 1px solid var(--ar-glass-border); border-radius: 8px; color: #fff; padding: 0 15px; box-sizing: border-box; outline: none; margin-top: 8px; }
.ar-btn { width: 100%; height: 50px; background: var(--ar-accent); color: #fff; border: none; border-radius: 10px; font-size: 15px; font-weight: 700; cursor: pointer; transition: 0.3s; margin-top: 20px; }
.ar-steps { display: flex; justify-content: space-between; margin-bottom: 30px; background: rgba(0,0,0,0.2); padding: 15px; border-radius: 10px; font-size: 12px; color: var(--ar-sub); }
@media (max-width: 1200px) { .ar-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 800px) { .ar-grid { grid-template-columns: repeat(2, 1fr); } .ar-detail-main { grid-template-columns: 1fr; } }