* {box-sizing: border-box;margin: 0;padding: 0;}
body {background: #0f172a;color: #e2e8f0;font-family: "Microsoft YaHei",PingFang SC,sans-serif;line-height: 1.8;padding-bottom: 40px;}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(30,41,59,0.6);border-radius:4px;}
::-webkit-scrollbar-thumb:hover{background:rgba(56,189,248,0.25);}
::-webkit-scrollbar-track{background:linear-gradient(135deg,#1a2347,#0f172a,#1e293b);}
.nav {background: rgba(15,23,42,0.95);border-bottom: 1px solid rgba(255,255,255,0.08);padding: 15px 20px;display: flex;justify-content: space-between;align-items: center;position: sticky;top: 0;z-index: 999;}
.nav-logo {font-size: 18px;font-weight: bold;color: #60a5fa;}
.nav-back {color: #94a3b8;font-size: 14px;cursor: pointer;padding: 6px 12px;border-radius: 6px;border: 1px solid rgba(255,255,255,0.12);transition: all 0.2s;}
.nav-back:hover {background: rgba(96,165,250,0.15);color: #60a5fa;border-color: rgba(96,165,250,0.3);}
.container {max-width: 900px;margin: 30px auto;padding: 0 15px;}
.page-title {text-align: center;font-size: 26px;color: #fff;margin-bottom: 10px;}
.page-desc {text-align: center;color: #94a3b8;font-size: 14px;margin-bottom: 35px;}
.guide-card {background: rgba(255,255,255,0.04);border: 1px solid rgba(255,255,255,0.08);border-radius: 12px;padding: 20px 25px;margin-bottom: 20px;}
.guide-card h3 {font-size: 18px;color: #60a5fa;margin-bottom: 15px;display: flex;align-items: center;gap: 8px;}
.guide-card p {color: #cbd5e1;font-size: 14px;margin: 8px 0;}
.guide-list {padding-left: 20px;margin: 12px 0;}
.guide-list li {color: #cbd5e1;font-size: 14px;margin: 10px 0;padding-left: 8px;}
.tip-text {background: rgba(244,114,182,0.1);border-left: 3px solid #f472b6;padding: 12px 15px;border-radius: 0 8px 8px 0;margin: 15px 0;font-size: 14px;color: #f1f5f9;}
.success-text {background: rgba(16,185,129,0.1);border-left: 3px solid #10b981;padding: 12px 15px;border-radius: 0 8px 8px 0;margin: 15px 0;font-size: 14px;color: #f1f5f9;}
.faq-item {margin-bottom: 12px;}
.faq-q {font-weight: 500;color: #fff;font-size: 15px;}
.faq-a {color: #94a3b8;font-size: 14px;padding-left: 15px;margin-top: 4px;}
.footer-tip {text-align: center;margin-top: 40px;color: #64748b;font-size: 13px;}