:root { --brand: #2A9A8F; --brand-dark: #1F7A72; --ink: #1c2b2a; --muted: #5b6d6b; --line: #e2ecea; --bg: #f5faf9; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; color: var(--ink); background: #fff; line-height: 1.75; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header { background: linear-gradient(150deg, var(--brand) 0%, var(--brand-dark) 100%); color: #fff; padding: 22px 0; }
header a { color: #fff; text-decoration: none; font-weight: 700; font-size: 18px; letter-spacing: .5px; }
header .tagline { font-size: 13px; opacity: .85; margin-top: 2px; }
main { padding: 28px 0 8px; }
h1 { font-size: 26px; line-height: 1.4; margin-bottom: 10px; }
.lead { color: var(--muted); font-size: 15px; margin-bottom: 22px; }
h2 { font-size: 19px; margin: 30px 0 12px; padding-left: 10px; border-left: 4px solid var(--brand); }
table.spec { width: 100%; border-collapse: collapse; font-size: 15px; margin: 16px 0 8px; }
table.spec th, table.spec td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
table.spec th { background: var(--bg); width: 96px; color: var(--brand-dark); font-weight: 600; white-space: nowrap; }
.note { font-size: 13px; color: var(--muted); margin-top: 6px; }
ul.tips li { margin: 6px 0 6px 20px; font-size: 15px; }
.cta { background: linear-gradient(150deg, var(--brand) 0%, var(--brand-dark) 100%); color: #fff; border-radius: 14px; padding: 22px; margin: 28px 0; display: flex; align-items: center; gap: 20px; }
.cta-text { flex: 1; min-width: 0; }
.cta h3 { font-size: 18px; margin-bottom: 6px; }
.cta p { font-size: 14px; opacity: .92; }
.cta .go { display: inline-block; margin-top: 12px; background: #FFD339; color: #14544E; font-weight: 700; padding: 9px 18px; border-radius: 999px; font-size: 15px; }
.cta-qr { text-align: center; flex-shrink: 0; }
.cta-qr img { display: block; border-radius: 12px; background: #fff; padding: 3px; }
.cta-qr span { display: block; font-size: 12px; opacity: .88; margin-top: 5px; }
.faq details { border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin: 10px 0; }
.faq summary { font-weight: 600; cursor: pointer; font-size: 15px; }
.faq p { margin-top: 8px; font-size: 14px; color: var(--muted); }
.related { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.related a { font-size: 14px; color: var(--brand-dark); background: var(--bg); border: 1px solid var(--line); padding: 6px 12px; border-radius: 999px; text-decoration: none; }
.cat-block { margin: 6px 0 22px; }
.cat-block h3 { font-size: 16px; color: var(--brand-dark); margin-bottom: 10px; }
.cat-list { display: flex; flex-wrap: wrap; gap: 10px; }
.cat-list a { font-size: 14px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); padding: 7px 13px; border-radius: 10px; text-decoration: none; }
footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 22px 0 40px; font-size: 13px; color: var(--muted); }
@media (max-width: 480px) { h1 { font-size: 22px; } table.spec th { width: 78px; } .cta { flex-direction: column; text-align: center; } }