body {
    background-color: #f0f2f5;
    -webkit-font-smoothing: antialiased;
}

.card {
    border: none;
    border-radius: 12px;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.2rem;
}

/* ── 首页英雄区域 ─────────────────────── */
.hero-section {
    border-radius: 16px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    overflow: hidden;
    position: relative;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
    animation: heroFloat 15s ease-in-out infinite;
}
.hero-inner {
    position: relative;
    z-index: 1;
}
@keyframes heroFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -20px); }
}

/* ── 俱乐部卡片 ─────────────────────── */
.club-card {
    transition: transform 0.25s, box-shadow 0.25s;
    cursor: pointer;
}
.club-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
}
.club-icon-inner {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, #0d6efd, #6610f2);
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ── 成员卡片 ─────────────────────── */
.member-card {
    transition: transform 0.25s, box-shadow 0.25s;
    cursor: pointer;
}
.member-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.member-avatar {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
}
.member-avatar-placeholder {
    width: 100%;
    aspect-ratio: 1;
}

/* ── 领奖台风格 ─────────────────────── */
.podium-avatar {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid #dee2e6;
}
.podium-avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}
.gold-ring { border-color: #ffc107 !important; border-width: 4px; }
.silver-ring { border-color: #adb5bd !important; border-width: 4px; }
.bronze-ring { border-color: #cd7f32 !important; border-width: 4px; }

@media (min-width: 576px) {
    .podium-avatar, .podium-avatar-placeholder {
        width: 100px;
        height: 100px;
    }
}

/* ── 详情页头像 ─────────────────────── */
.detail-avatar {
    width: 88px;
    height: 88px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid #0d6efd;
}
.detail-avatar-placeholder {
    width: 88px;
    height: 88px;
}

/* ── 用户头像圆 ─────────────────────── */
.user-avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0d6efd, #6610f2);
    color: white;
    font-size: 1.1rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ── 手机端优化 ─────────────────────── */
@media (max-width: 576px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }

    .table {
        font-size: 0.85rem;
    }

    .card-body {
        padding: 0.85rem;
    }

    .hero-section {
        border-radius: 12px;
    }

    .detail-avatar, .detail-avatar-placeholder {
        width: 64px;
        height: 64px;
    }

    .podium-avatar, .podium-avatar-placeholder {
        width: 64px;
        height: 64px;
    }
}