/* ===========================================================
   秘趣-派对游戏 — 官网与法律文档共享样式
   暗色 · 玫瑰金主题，响应式
   =========================================================== */
:root {
  --rose: #E84393;
  --rose-soft: #ff6fb5;
  --gold: #E9C46A;
  --bg: #14101A;
  --bg-2: #1C1726;
  --bg-3: #241D31;
  --card: #201A2B;
  --text: #F2ECF5;
  --text-2: #C7BDD4;
  --text-3: #8E839C;
  --line: rgba(255, 255, 255, 0.08);
  --ok: #4ADE80;
  --radius: 18px;
  --maxw: 1080px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(232, 67, 147, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(233, 196, 106, 0.10), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--rose-soft); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(14px);
  background: rgba(20, 16, 26, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: .5px; }
.brand .logo {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--rose), var(--gold));
  display: grid; place-items: center; color: #2a1020; font-weight: 900; font-size: 16px;
}
.brand small { color: var(--text-3); font-weight: 600; font-size: 12px; letter-spacing: 2px; }
.nav-links { display: flex; gap: 22px; font-size: 14px; }
.nav-links a { color: var(--text-2); }
.nav-links a:hover { color: var(--text); text-decoration: none; }
@media (max-width: 640px) { .nav-links { display: none; } }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 40px; text-align: center; }
.badge-18 {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(232, 67, 147, 0.14); color: var(--rose-soft);
  border: 1px solid rgba(232, 67, 147, 0.4);
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700; margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 60px); font-weight: 900; line-height: 1.12;
  background: linear-gradient(120deg, #fff 10%, var(--rose-soft) 55%, var(--gold) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 18px;
}
.hero p.sub { font-size: clamp(15px, 2.4vw, 19px); color: var(--text-2); max-width: 640px; margin: 0 auto 30px; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-weight: 800; font-size: 15px; padding: 14px 26px; border-radius: 14px;
  border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--rose), #c42d77); color: #fff; box-shadow: 0 12px 30px rgba(232,67,147,.35); }
.btn-ghost { background: rgba(255,255,255,.06); color: var(--text); border-color: var(--line); }
.btn-gold { background: linear-gradient(135deg, var(--gold), #c79a3a); color: #2a1f08; }

/* ---------- 区块 ---------- */
section { padding: 56px 0; }
.section-title { text-align: center; font-size: clamp(24px, 4vw, 34px); font-weight: 900; margin-bottom: 10px; }
.section-desc { text-align: center; color: var(--text-3); margin-bottom: 38px; }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: linear-gradient(180deg, var(--card), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow);
}
.card .ico { font-size: 28px; margin-bottom: 12px; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--text-2); font-size: 14.5px; }

/* ---------- VIP 区块 ---------- */
.vip {
  margin: 0 auto; max-width: 720px; text-align: center;
  background: linear-gradient(135deg, rgba(233,196,106,.14), rgba(232,67,147,.14));
  border: 1px solid rgba(233,196,106,.35); border-radius: 24px; padding: 40px 30px;
}
.vip .price { font-size: 46px; font-weight: 900; margin: 6px 0; }
.vip .price small { font-size: 16px; color: var(--text-3); font-weight: 600; }
.vip ul { list-style: none; text-align: left; max-width: 420px; margin: 22px auto; display: grid; gap: 10px; }
.vip li { color: var(--text-2); font-size: 15px; padding-left: 26px; position: relative; }
.vip li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 900; }

/* ---------- VIP 三档方案 ---------- */
.plans {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin: 22px 0 14px;
}
.plan {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(233,196,106,.22);
  border-radius: 16px; padding: 18px 12px;
}
.plan-best {
  background: linear-gradient(160deg, rgba(233,196,106,.16), rgba(232,67,147,.16));
  border-color: rgba(233,196,106,.6);
}
.plan-name { font-size: 12.5px; font-weight: 700; color: var(--gold); letter-spacing: .3px; }
.plan-price { font-size: 27px; font-weight: 900; margin: 8px 0 6px; line-height: 1.1; }
.plan-price small { font-size: 12px; color: var(--text-3); font-weight: 600; }
.plan-note { font-size: 12px; color: var(--text-3); }
@media (max-width: 640px) {
  .plans { grid-template-columns: 1fr; }
  .plan { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 14px; }
  .plan-price { font-size: 20px; margin: 0; }
  .plan-note { display: none; }
}

/* ---------- 页脚 ---------- */
footer { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--text-3); font-size: 13px; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-grid a { color: var(--text-2); margin-right: 16px; }
.footer-note { margin-top: 18px; color: var(--text-3); }

/* ===========================================================
   法律文档页
   =========================================================== */
.doc { padding: 54px 0 80px; }
.doc .doc-head { text-align: center; margin-bottom: 8px; }
.doc .doc-head h1 { font-size: clamp(26px, 4vw, 36px); font-weight: 900; }
.doc .doc-meta { text-align: center; color: var(--text-3); font-size: 13px; margin-bottom: 34px; }
.doc .doc-body { max-width: 820px; margin: 0 auto; }
.doc .doc-body h2 {
  font-size: 20px; margin: 34px 0 12px; padding-left: 12px;
  border-left: 4px solid var(--rose); font-weight: 800;
}
.doc .doc-body h3 { font-size: 16px; margin: 22px 0 8px; color: var(--rose-soft); font-weight: 700; }
.doc .doc-body p, .doc .doc-body li { color: var(--text-2); font-size: 15px; margin-bottom: 10px; }
.doc .doc-body ul { padding-left: 22px; margin-bottom: 12px; }
.doc .doc-body li { margin-bottom: 6px; }
.doc .doc-body strong { color: var(--text); }
.doc .callout {
  background: rgba(232,67,147,.10); border: 1px solid rgba(232,67,147,.3);
  border-radius: 14px; padding: 16px 18px; color: var(--text-2); font-size: 14px; margin: 18px 0;
}
.doc-toc { max-width: 820px; margin: 0 auto 26px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px; }
.doc-toc a { display: block; color: var(--text-2); font-size: 14px; padding: 3px 0; }
.doc-toc a:hover { color: var(--rose-soft); }
.placeholder { background: rgba(233,196,106,.12); border-bottom: 1px dashed var(--gold); color: var(--gold); padding: 0 4px; border-radius: 4px; }

.back-home { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 18px; color: var(--text-2); font-size: 14px; }