:root {
  --bg: #fbf7f4;
  --surface: #ffffff;
  --ink: #2b2622;
  --ink-soft: #6b625b;
  --line: #ece3dc;
  --brand: #b23a48;        /* 余恋 · 玫红 */
  --brand-deep: #8c2f3c;
  --accent: #c98a3a;       /* 暖金 */
  --ok: #2e7d57;
  --radius: 16px;
  --shadow: 0 6px 24px rgba(120, 80, 60, 0.08);
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-deep); text-decoration: none; }
img { max-width: 100%; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* —— 顶部导航 —— */
header.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(251, 247, 244, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 800; font-size: 19px; letter-spacing: .5px; }
.brand .dot { color: var(--brand); }
.nav nav { display: flex; gap: 22px; font-size: 14px; }
.nav nav a { color: var(--ink-soft); }
.nav nav a:hover { color: var(--brand); }
.btn {
  display: inline-block; padding: 9px 18px; border-radius: 999px;
  background: var(--brand); color: #fff; font-weight: 600; font-size: 14px;
  transition: transform .12s ease, background .12s ease;
}
.btn:hover { background: var(--brand-deep); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--brand-deep); border: 1px solid var(--brand); }

@media (max-width: 720px) {
  .nav nav { display: none; }
}

/* —— Hero —— */
.hero { padding: 72px 0 56px; text-align: center; }
.hero .tag {
  display: inline-block; padding: 5px 14px; border-radius: 999px;
  background: #f4e3d8; color: var(--brand-deep); font-size: 13px; font-weight: 600; margin-bottom: 18px;
}
.hero h1 { font-size: 40px; line-height: 1.25; margin: 0 0 14px; }
.hero h1 .hl { color: var(--brand); }
.hero p.lead { font-size: 17px; color: var(--ink-soft); max-width: 620px; margin: 0 auto 28px; }
.hero .cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* —— 通用区块 —— */
section.block { padding: 56px 0; }
section.block.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.eyebrow { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
h2.title { font-size: 28px; margin: 0 0 14px; }
.lead-soft { color: var(--ink-soft); max-width: 720px; }

/* —— 卡片网格 —— */
.grid { display: grid; gap: 18px; margin-top: 28px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card .ico { font-size: 26px; margin-bottom: 8px; display: block; }
.card p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* —— 关于品牌 —— */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 820px) { .about { grid-template-columns: 1fr; } }
.avatar {
  width: 100%; aspect-ratio: 1/1; border-radius: 24px;
  background: linear-gradient(135deg, #f4d9c9, #e7b7a0);
  display: flex; align-items: center; justify-content: center;
  font-size: 96px; box-shadow: var(--shadow);
}

/* —— 合规提示条 —— */
.notice {
  margin: 28px 0 0; padding: 16px 18px; border-radius: 12px;
  background: #fdf3ee; border: 1px solid #f1d8cc; color: var(--brand-deep); font-size: 14px;
}
.notice b { color: var(--brand); }

/* —— 联系 —— */
.contact-box { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 24px; }
@media (max-width: 720px) { .contact-box { grid-template-columns: 1fr; } }
.contact-box .card { text-align: center; }
.contact-box .k { font-size: 13px; color: var(--ink-soft); }
.contact-box .v { font-weight: 700; font-size: 16px; color: var(--ink); word-break: break-all; }

/* —— 页脚 —— */
footer.site {
  background: #2b2622; color: #d9cfc8; padding: 40px 0 28px; font-size: 13.5px;
}
footer.site a { color: #e7b7a0; }
footer.site .cols { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
footer.site .beian { margin-top: 18px; padding-top: 16px; border-top: 1px solid #463e38; color: #b3a89f; line-height: 2; }
footer.site .beian a { margin-right: 14px; }
footer.site .copy { margin-top: 12px; color: #8c8178; }
footer.site .foot-contact { margin-top: 12px; color: #b3a89f; }
footer.site .foot-contact span { color: #e7b7a0; }
.ph { color: #e0a98f; font-style: italic; } /* 占位提示 */

/* —— 子页面（隐私/协议）通用 —— */
.doc { padding: 48px 0 64px; }
.doc h1 { font-size: 26px; margin: 0 0 6px; }
.doc .updated { color: var(--ink-soft); font-size: 13px; margin-bottom: 24px; }
.doc h2 { font-size: 19px; margin: 28px 0 8px; color: var(--brand-deep); }
.doc p, .doc li { color: var(--ink-soft); font-size: 15px; }
.doc ul { padding-left: 22px; }
.back { display: inline-block; margin-bottom: 18px; font-size: 14px; }