* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; background: #f5f0e8; }
body a { color: #c0392b; text-decoration: none; }
.header { position: relative; height: 280px; overflow: hidden; }
.header-bg { width: 100%; height: 100%; object-fit: cover; }
.header-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.3); }
.header-content { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; }
.header-title { font-size: 32px; font-weight: bold; color: #fff; text-shadow: 2px 2px 4px rgba(0,0,0,0.5); margin-bottom: 10px; }
.header-subtitle { font-size: 14px; color: rgba(255,255,255,0.9); }

.stats-bar { display: flex; background: #fff; padding: 15px 0; margin: -20px 15px 15px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: relative; z-index: 10; }
.stat-item { flex: 1; text-align: center; }
.stat-value { font-size: 20px; font-weight: bold; color: #c0392b; }
.stat-label { font-size: 12px; color: #999; margin-top: 5px; }

.footer-nav { position: fixed; bottom: 0; left: 0; right: 0; background: linear-gradient(135deg, #8b4513 0%, #654321 100%); display: flex; justify-content: space-around; padding: 12px 0; z-index: 100; }
.nav-item { text-align: center; }
.nav-icon { width: 28px; height: 28px; margin-bottom: 4px; }
.nav-text { font-size: 10px; color: #fff; }

.platform-declare { text-align: center; padding: 15px; font-size: 12px; color: #999;padding-bottom: 100px; }


/* 前三名样式 */
.top-three { display: flex; justify-content: center; gap: 15px; margin-bottom: 30px; padding: 20px; background: linear-gradient(180deg, #deb887 0%, #d2b48c 100%); border-radius: 15px; }
.top-item { text-align: center; flex: 1; }
.top-avatar { width: 90px; height: 90px; border-radius: 50%; border: 4px solid #fff; box-shadow: 0 4px 10px rgba(0,0,0,0.2); margin-bottom: 10px; }
.top-1 .top-avatar { border-color: #ffd700; box-shadow: 0 0 0 4px rgba(255,215,0,0.3); }
.top-2 .top-avatar { border-color: #c0c0c0; box-shadow: 0 0 0 4px rgba(192,192,192,0.3); }
.top-3 .top-avatar { border-color: #cd7f32; box-shadow: 0 0 0 4px rgba(205,127,50,0.3); }
.top-name { font-size: 13px; font-weight: bold; color: #333; margin-bottom: 5px; }
.top-label { font-size: 11px; color: #666; margin-bottom: 8px; }
.top-score { font-size: 20px; font-weight: bold; color: #c0392b; }