/* ============================================================
   997426 Game Platform — main.css
   移动优先 · CSS 变量 · 深色游戏风
   ============================================================ */
:root {
  --g99-bg: #0f1226;
  --g99-bg-soft: #171b35;
  --g99-card: #1d2242;
  --g99-text: #e8eaf6;
  --g99-muted: #9aa1c9;
  --g99-accent: #7c5cff;
  --g99-accent-2: #00d4ff;
  --g99-gold: #ffd166;
  --g99-radius: 14px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--g99-bg);
  color: var(--g99-text);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}
a { color: var(--g99-accent-2); text-decoration: none; }
a:hover { filter: brightness(1.15); }

.g99-container { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.g99-muted { color: var(--g99-muted); }

/* Header */
.g99-header {
  background: rgba(23, 27, 53, .92);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid #262c55;
}
.g99-header-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 10px 16px; }
.g99-logo { font-size: 1.25rem; font-weight: 800; color: var(--g99-text); white-space: nowrap; }
.g99-logo span { color: var(--g99-accent); }
.g99-nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.g99-nav a { padding: 6px 12px; border-radius: 8px; color: var(--g99-muted); }
.g99-nav a:hover, .g99-nav .current-menu-item a { color: var(--g99-text); background: #232953; }
.g99-search { margin-left: auto; }
.g99-search input[type="search"] {
  background: var(--g99-card); color: var(--g99-text);
  border: 1px solid #2c3370; border-radius: 999px;
  padding: 8px 16px; min-width: 180px; outline: none;
}

/* Hero */
.g99-hero { text-align: center; padding: 48px 0 24px; }
.g99-hero h1 {
  margin: 0; font-size: clamp(1.8rem, 5vw, 3rem);
  background: linear-gradient(90deg, var(--g99-accent), var(--g99-accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.g99-hero p { color: var(--g99-muted); margin: 8px 0 0; }
.g99-section-title { font-size: 1.3rem; margin: 32px 0 16px; }

/* 游戏卡片网格 */
.g99-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
}
@media (min-width: 720px) {
  .g99-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}
.g99-card {
  display: block; background: var(--g99-card); border-radius: var(--g99-radius);
  overflow: hidden; transition: transform .18s ease, box-shadow .18s ease;
  color: var(--g99-text); border: 1px solid transparent;
}
.g99-card:hover {
  transform: translateY(-4px);
  border-color: var(--g99-accent);
  box-shadow: 0 10px 30px rgba(124, 92, 255, .25);
}
.g99-card-img { aspect-ratio: 4 / 3; background: var(--g99-bg-soft); display: grid; place-items: center; overflow: hidden; }
.g99-card-img img { width: 100%; height: 100%; object-fit: cover; }
.g99-card-placeholder { font-size: 3rem; opacity: .5; }
.g99-card-body { padding: 10px 12px 12px; }
.g99-card-title { margin: 0; font-size: .98rem; line-height: 1.35; }
.g99-card-meta { font-size: .78rem; color: var(--g99-muted); margin-top: 4px; }

/* 游戏播放器 */
.g99-player-wrap { margin: 20px auto; max-width: 960px; }
.g99-player {
  position: relative; width: 100%;
  background: #000; border-radius: var(--g99-radius);
  overflow: hidden; box-shadow: 0 12px 40px rgba(0, 0, 0, .5);
}
.g99-player iframe { display: block; width: 100%; height: 100%; border: 0; }
.g99-player.g99-fullscreen { aspect-ratio: auto !important; border-radius: 0; }
.g99-fs-btn {
  position: absolute; right: 10px; bottom: 10px;
  background: rgba(15, 18, 38, .85); color: var(--g99-text);
  border: 1px solid #2c3370; border-radius: 999px;
  padding: 6px 14px; cursor: pointer; font-size: .85rem;
}
.g99-fs-btn:hover { background: var(--g99-accent); }
.g99-controls-hint { text-align: center; color: var(--g99-muted); font-size: .88rem; }

/* 单页布局 */
.g99-game-title { margin: 24px 0 0; }
.g99-game-layout { display: grid; gap: 24px; margin-top: 24px; }
@media (min-width: 900px) {
  .g99-game-layout { grid-template-columns: 1fr 320px; }
}
.g99-entry img { max-width: 100%; height: auto; }

/* 排行榜 */
.g99-lb-title { margin: 0 0 10px; }
.g99-lb-list { list-style: none; margin: 0; padding: 0; background: var(--g99-card); border-radius: var(--g99-radius); overflow: hidden; }
.g99-lb-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-bottom: 1px solid #262c55; font-size: .92rem;
}
.g99-lb-row:last-child { border-bottom: 0; }
.g99-lb-rank {
  width: 26px; height: 26px; border-radius: 50%; flex: none;
  display: grid; place-items: center; background: #2c3370; font-weight: 700; font-size: .8rem;
}
.g99-lb-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.g99-lb-score { font-weight: 700; color: var(--g99-accent-2); }
.g99-top1 .g99-lb-rank { background: var(--g99-gold); color: #000; }
.g99-top2 .g99-lb-rank { background: #c0c0c0; color: #000; }
.g99-top3 .g99-lb-rank { background: #cd7f32; color: #000; }
.g99-lb-empty { justify-content: center; color: var(--g99-muted); }

/* 用户面板 / 徽章 */
.g99-userpanel { background: var(--g99-card); border-radius: var(--g99-radius); padding: 14px 16px; margin: 20px 0; }
.g99-userpanel-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.g99-points { color: var(--g99-gold); font-weight: 700; }
.g99-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.g99-badge {
  background: #232953; border: 1px solid #2c3370; border-radius: 999px;
  padding: 4px 12px; font-size: .8rem;
}

/* Footer */
.g99-footer { margin-top: 56px; padding: 24px 0; border-top: 1px solid #262c55; color: var(--g99-muted); text-align: center; font-size: .85rem; }

/* 全站榜 */
.g99-site-lb { max-width: 640px; }

/* 分页 */
.g99-pagination { margin-top: 32px; text-align: center; }
.g99-pagination .page-numbers {
  display: inline-block; padding: 6px 14px; margin: 0 3px;
  background: var(--g99-card); border-radius: 8px; color: var(--g99-muted);
}
.g99-pagination .current { background: var(--g99-accent); color: #fff; }

/* 提示框 */
.g99-notice {
  background: #2b2440; border: 1px solid var(--g99-accent);
  border-radius: var(--g99-radius); padding: 16px 20px; margin: 24px 0;
}

/* 顶部用户区 */
.g99-user { display: flex; align-items: center; gap: 10px; font-size: .88rem; }
.g99-user-name { color: var(--g99-text); font-weight: 600; }
.g99-user-points { color: var(--g99-gold); }
.g99-user-link {
  padding: 6px 14px; border-radius: 999px; background: var(--g99-card);
  border: 1px solid #2c3370; color: var(--g99-muted);
}
.g99-login { color: var(--g99-accent-2); border-color: var(--g99-accent); }
.g99-register { color: var(--g99-gold); }

/* 首页整体居中排版 */
.g99-home { text-align: center; }
.g99-home .g99-section-title {
  display: inline-block; position: relative; padding-bottom: 10px;
}
.g99-home .g99-section-title::after {
  content: ''; position: absolute; left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 46px; height: 3px; border-radius: 2px;
  background: linear-gradient(90deg, var(--g99-accent), var(--g99-accent-2));
}
.g99-home .g99-lb-list { max-width: 560px; margin: 0 auto; text-align: left; }
.g99-rule-note { max-width: 560px; margin: 10px auto 0 !important; font-size: .78rem !important; }

/* Hero 增强：居中 + 渐变背景光晕 */
.g99-hero {
  padding: 64px 16px 40px; border-radius: 20px;
  background:
    radial-gradient(600px 220px at 50% 0%, rgba(124,92,255,.22), transparent),
    radial-gradient(500px 200px at 80% 100%, rgba(0,212,255,.12), transparent);
  margin-bottom: 8px;
}
.g99-hero-actions { margin-top: 18px; }
.g99-hero-btn {
  display: inline-block; background: linear-gradient(90deg, var(--g99-accent), #9a6bff);
  color: #fff !important; padding: 13px 38px; border-radius: 999px;
  font-weight: 800; box-shadow: 0 6px 24px rgba(124,92,255,.45); font-size: 1.02rem;
}

/* 积分排行副行 */
.g99-lb-sub { display: block; color: var(--g99-muted); font-size: .74rem; font-weight: 400; }

/* 挑战卡片：居中网格 + 竖版卡片更美观 */
.g99-challenge-grid {
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  justify-items: center; max-width: 720px; margin: 0 auto;
}
.g99-challenge-card {
  flex-direction: column; text-align: center; width: 100%;
  gap: 10px; padding: 22px 16px 20px;
}
.g99-challenge-icon {
  width: 64px; height: 64px; border-radius: 16px;
  margin: 0 auto;                          /* 图标容器水平居中 */
  background: linear-gradient(135deg, #171b35, #2f3670);
  display: grid !important; place-items: center; font-size: 2.2rem;
  line-height: 1;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.g99-challenge-icon span,
.g99-challenge-icon::before { justify-self: center; align-self: center; }
.g99-challenge-card .g99-card-body { flex: none; width: 100%; }
.g99-challenge-btn {
  display: inline-block; margin-top: 10px;
  background: rgba(124,92,255,.18); border: 1px solid var(--g99-accent);
  color: var(--g99-text) !important; padding: 6px 18px; border-radius: 999px;
  font-size: .8rem; font-weight: 700;
}
.g99-card:hover .g99-challenge-btn { background: var(--g99-accent); }