:root { --ink: #161616; --red: #a4161a; --paper: #f7f4ec; --rule: #111; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", SimSun, sans-serif; font-size: 17px; line-height: 1.75; }
a { color: var(--red); }
.mast { border-bottom: 4px solid var(--rule); background: #fff; }
.mast-inner, .sheet { width: min(980px, calc(100% - 28px)); margin: 0 auto; }
.mast-inner { padding: 14px 0 0; }
.brand { display: flex; align-items: center; gap: 8px; color: #111; text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: 0.08em; }
.brand svg { width: 28px; height: 28px; }
.nav { display: flex; gap: 18px; padding: 8px 0 0; }
.nav a { color: #111; text-decoration: none; padding: 8px 0; border-bottom: 3px solid transparent; }
.nav a[aria-current="page"] { border-color: var(--red); color: var(--red); }
.sheet { padding: 22px 0 40px; }
.kicker { letter-spacing: 0.18em; font-size: 13px; margin: 0 0 6px; }
h1 { font-family: Georgia, "Songti SC", SimSun, serif; font-size: clamp(32px, 4vw, 44px); line-height: 1.25; margin: 0 0 8px; }
.dek { font-size: 18px; border-left: 4px solid var(--red); padding-left: 12px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.btn { display: inline-block; background: var(--red); color: #fff; text-decoration: none; padding: 10px 14px; }
.btn.alt { background: #111; }
h2 { font-family: Georgia, "Songti SC", serif; font-size: 26px; border-top: 1px solid #111; padding-top: 16px; margin: 22px 0 8px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
table { width: 100%; border-collapse: collapse; background: #fff; margin: 8px 0 12px; }
th, td { border: 2px solid #111; padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: #111; color: #fff; }
.faq h3 { margin-bottom: 4px; font-size: 17px; }
.site-footer { border-top: 4px solid #111; background: #111; color: #f3efe4; padding: 18px 0 28px; font-size: 14px; }
.site-footer a { color: #ffd0d0; }
.site-footer .inner { width: min(980px, calc(100% - 28px)); margin: 0 auto; }
.foot-nav { display: flex; gap: 14px; list-style: none; padding: 0; }
@media (max-width: 800px) { .cols { grid-template-columns: 1fr; } }