:root {
    --ink: #1c2430;
    --muted: #5c6770;
    --paper: #f3f0e8;
    --card: #fffdf8;
    --line: #e4dccb;
    --amber: #e37b12;
    --amber-dark: #c4660b;
    --green: #1f7a4d;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: var(--paper);
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
.top {
    background: var(--ink);
    color: #fff;
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; letter-spacing: 0.04em; }
.nav { display: flex; gap: 22px; font-size: 15px; }
.nav a.active { color: #ffc27a; }
.hero {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 28px;
    padding: 42px 0 20px;
}
h1 { font-size: 36px; line-height: 1.25; margin: 0 0 12px; }
.lead { color: var(--muted); margin: 0 0 20px; line-height: 1.7; }
.search {
    display: flex;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
}
.search input {
    flex: 1;
    border: 0;
    padding: 14px 16px;
    font-size: 16px;
    outline: none;
}
.search button, .btn {
    border: 0;
    background: var(--amber);
    color: #fff;
    padding: 12px 18px;
    font-size: 15px;
    cursor: pointer;
    border-radius: 8px;
}
.btn.green { background: var(--green); }
.btn.ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.qr-card, .card, .plan {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px;
}
.qr-card { text-align: center; }
.qr-card img { width: 168px; height: 168px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chips a { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 13px; }
.grid3, .plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 18px 0 28px; }
.card h2, .plan h2 { margin: 0 0 8px; font-size: 18px; }
.card p, .plan p { margin: 0; color: var(--muted); line-height: 1.6; }
.price { font-size: 28px; color: var(--amber-dark); margin: 8px 0; }
.price span { font-size: 14px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.summary {
    font-size: 16px;
    line-height: 1.8;
    background: #fff;
    border-left: 4px solid var(--amber);
    padding: 14px 16px;
}
.gate {
    margin-top: 18px;
    padding: 22px;
    background: var(--ink);
    color: #fff;
    border-radius: 14px;
}
.gate p { color: #d9dde3; }
.dock {
    position: sticky;
    bottom: 0;
    background: #fff;
    border-top: 1px solid var(--line);
    padding: 10px 0;
}
.dock .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.foot { color: var(--muted); font-size: 13px; padding: 28px 0 80px; line-height: 1.7; }
.foot a { color: var(--muted); }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px; margin: 0 0 8px; }
.pay-box { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.pay-box .card { text-align: center; }
.pay-box img { width: 200px; height: 200px; }
.plan { position: relative; }
.plan-featured { border-color: var(--amber); box-shadow: 0 8px 24px rgba(227,123,18,.12); }
.plan-hero { margin: 18px 0 28px; }
.badge {
    display: inline-block;
    background: var(--amber);
    color: #fff;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 999px;
    margin-bottom: 8px;
}
.benefits { margin: 12px 0 0; padding-left: 18px; color: var(--muted); line-height: 1.8; }
.tagline { color: var(--amber-dark); margin-top: 6px; }
.meta { color: var(--muted); margin: 8px 0 0; }
.related { margin: 20px 0; }
.related h2 { font-size: 18px; margin: 0 0 10px; }
.link-list { list-style: none; margin: 0; padding: 0; }
.link-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
}
.link-list a { color: var(--ink); }
.link-list .type { color: var(--muted); font-size: 13px; white-space: nowrap; }
.chip {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 13px;
}
@media (max-width: 800px) {
    .hero, .grid3, .plans, .pay-box { grid-template-columns: 1fr; }
    h1 { font-size: 28px; }
    .nav { gap: 12px; font-size: 14px; }
    .dock .wrap { flex-direction: column; align-items: stretch; }
}