/* 万象棋谱 - 全局样式 暗色游戏风 */
:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --bg3: #1c2330;
  --gold: #e8b339;
  --gold-dim: #b8892a;
  --blue: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --border: #2d333b;
  --card-radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  line-height: 1.7;
  font-size: 16px;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--gold); }
img { max-width: 100%; }

/* ===== 顶部导航 ===== */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13,17,23,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.navbar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; height: 60px;
}
.logo {
  font-size: 22px; font-weight: 800; color: var(--gold);
  display: flex; align-items: center; gap: 8px;
}
.logo small { font-size: 12px; color: var(--text-dim); font-weight: 400; }
.nav-links { display: flex; gap: 4px; list-style: none; }
.nav-links a {
  color: var(--text); padding: 8px 14px; border-radius: 8px;
  font-size: 15px; transition: all .2s;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--bg3); color: var(--gold);
}
.menu-toggle {
  display: none; background: none; border: 1px solid var(--border);
  color: var(--text); font-size: 20px; padding: 6px 12px;
  border-radius: 8px; cursor: pointer;
}

/* ===== 广告位占位 ===== */
.ad-slot {
  max-width: 1200px; margin: 20px auto; padding: 0 20px;
}
.ad-slot-inner {
  border: 1px dashed var(--border); border-radius: var(--card-radius);
  padding: 18px; text-align: center; color: var(--text-dim);
  font-size: 13px; background: var(--bg2);
}

/* ===== 容器 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 24px 20px 60px; }

/* ===== Hero ===== */
.hero {
  text-align: center; padding: 60px 20px 40px;
  background: radial-gradient(ellipse at 50% 0%, rgba(232,179,57,.12), transparent 65%);
}
.hero h1 { font-size: 40px; font-weight: 900; letter-spacing: 2px; }
.hero h1 .gold { color: var(--gold); }
.hero p { color: var(--text-dim); margin-top: 14px; font-size: 17px; }
.hero .badges { margin-top: 20px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.badge {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 14px; font-size: 13px; color: var(--text-dim);
}
.badge b { color: var(--gold); }

/* ===== 兑换码滚动条 ===== */
.code-banner {
  background: linear-gradient(90deg, #3a2c0d, #5a4517, #3a2c0d);
  border: 1px solid var(--gold-dim); border-radius: var(--card-radius);
  padding: 14px 20px; display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap; margin: 20px 0;
}
.code-banner .label { color: var(--gold); font-weight: 700; white-space: nowrap; }
.code-pill {
  background: rgba(0,0,0,.35); border: 1px solid var(--gold-dim);
  color: #ffd977; border-radius: 8px; padding: 4px 12px;
  font-family: monospace; font-size: 14px; cursor: pointer; transition: all .2s;
}
.code-pill:hover { background: rgba(232,179,57,.2); transform: translateY(-1px); }

/* ===== 区块标题 ===== */
.section { margin-top: 44px; }
.section-title {
  display: flex; align-items: baseline; gap: 12px;
  border-left: 4px solid var(--gold); padding-left: 12px; margin-bottom: 18px;
}
.section-title h2 { font-size: 24px; font-weight: 800; }
.section-title .more { font-size: 13px; color: var(--text-dim); }

/* ===== 卡片网格 ===== */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); padding: 20px;
  transition: all .2s; display: block; color: var(--text);
}
.card:hover { border-color: var(--gold-dim); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.35); }
.card .tag {
  display: inline-block; font-size: 12px; padding: 2px 10px;
  border-radius: 999px; margin-bottom: 10px; font-weight: 700;
}
.tag-t0 { background: rgba(248,81,73,.15); color: var(--red); border: 1px solid rgba(248,81,73,.4); }
.tag-t1 { background: rgba(232,179,57,.12); color: var(--gold); border: 1px solid rgba(232,179,57,.4); }
.tag-new { background: rgba(63,185,80,.12); color: var(--green); border: 1px solid rgba(63,185,80,.4); }
.tag-news { background: rgba(88,166,255,.12); color: var(--blue); border: 1px solid rgba(88,166,255,.4); }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--text-dim); font-size: 14px; }
.card .meta { margin-top: 12px; font-size: 12px; color: var(--text-dim); display: flex; gap: 12px; flex-wrap: wrap; }

/* ===== 攻略详情块 ===== */
.guide-block {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); padding: 24px; margin-bottom: 24px;
}
.guide-block h2 { color: var(--gold); font-size: 22px; margin-bottom: 6px; }
.guide-block .sub { color: var(--text-dim); font-size: 14px; margin-bottom: 16px; }
.guide-block h4 {
  color: var(--blue); margin: 18px 0 8px; font-size: 16px;
  display: flex; align-items: center; gap: 6px;
}
.guide-block ul { padding-left: 22px; color: var(--text); }
.guide-block li { margin-bottom: 6px; }
.kv {
  display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0;
}
.kv span {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; padding: 3px 10px; font-size: 13px;
}
.kv span b { color: var(--gold); font-weight: 600; }

/* ===== 棋手卡 ===== */
.qs-card { text-align: left; }
.qs-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.qs-avatar {
  width: 52px; height: 52px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 900; color: #0d1117;
  background: linear-gradient(135deg, var(--gold), #f5d078);
}
.qs-head h3 { font-size: 18px; }
.qs-head .role { font-size: 12px; color: var(--text-dim); }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--gold); background: var(--bg3); white-space: nowrap; }
tr:hover td { background: rgba(255,255,255,.02); }

/* ===== 时间线 ===== */
.timeline { border-left: 2px solid var(--border); padding-left: 24px; margin-left: 8px; }
.tl-item { position: relative; margin-bottom: 28px; }
.tl-item::before {
  content: ""; position: absolute; left: -31px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold); border: 2px solid var(--bg);
}
.tl-item .date { color: var(--gold); font-weight: 700; font-size: 14px; }
.tl-item h3 { font-size: 18px; margin: 4px 0 6px; }
.tl-item p { color: var(--text-dim); font-size: 14px; }

/* ===== 兑换码大卡片 ===== */
.code-big {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); padding: 20px; margin-bottom: 14px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.code-big .code-text {
  font-family: monospace; font-size: 20px; font-weight: 700; color: #ffd977;
}
.code-big .reward { color: var(--text-dim); font-size: 14px; margin-top: 4px; }
.copy-btn {
  background: var(--gold); color: #0d1117; border: none; font-weight: 700;
  padding: 10px 22px; border-radius: 8px; cursor: pointer; font-size: 14px;
  transition: all .2s; white-space: nowrap;
}
.copy-btn:hover { background: #f5d078; }

/* ===== 下载按钮 ===== */
.dl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.dl-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: var(--card-radius);
  padding: 20px; text-align: center; transition: all .2s; color: var(--text); display: block;
}
.dl-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.dl-card .icon { font-size: 34px; }
.dl-card h3 { margin: 8px 0 4px; font-size: 16px; }
.dl-card p { font-size: 13px; color: var(--text-dim); }

/* ===== 提示框 ===== */
.notice {
  border-radius: var(--card-radius); padding: 16px 20px; margin: 20px 0;
  font-size: 14px; line-height: 1.8;
}
.notice-warn { background: rgba(232,179,57,.08); border: 1px solid rgba(232,179,57,.35); }
.notice-info { background: rgba(88,166,255,.08); border: 1px solid rgba(88,166,255,.35); }

/* ===== 页脚 ===== */
.footer {
  border-top: 1px solid var(--border); margin-top: 60px;
  padding: 32px 20px; text-align: center; color: var(--text-dim); font-size: 13px;
}
.footer a { color: var(--text-dim); }
.footer a:hover { color: var(--gold); }

/* ===== 返回顶部 ===== */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 99;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gold); color: #0d1117; border: none;
  font-size: 20px; cursor: pointer; display: none;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
}

/* ===== 移动端 ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 28px; }
  .menu-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; background: var(--bg2);
    border-bottom: 1px solid var(--border); padding: 10px;
  }
  .nav-links.open { display: flex; }
  .grid { grid-template-columns: 1fr; }
  .code-big .code-text { font-size: 16px; }
}