/* ========== Hero 轮播 ========== */
.hero-section {
    position: relative; height: 85vh; min-height: 500px;
    overflow: hidden;
}
.hero-slider { position: relative; width: 100%; height: 100%; }
.hero-slide {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center;
    opacity: 0; transition: opacity 1s ease;
    display: flex; align-items: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(10,10,15,0.85) 0%, rgba(10,10,15,0.4) 100%);
}
.hero-slide:not([style*="background-image"]) {
    background: linear-gradient(135deg, #0a0a1a 0%, #1a0a2e 50%, #0a1a2e 100%);
}
.hero-content {
    position: relative; z-index: 2; max-width: 700px;
}
.hero-tag {
    display: inline-block; padding: 6px 16px; border-radius: 20px;
    font-size: 0.8rem; font-weight: 600; text-transform: uppercase;
    background: rgba(155, 93, 229, 0.2); color: var(--secondary);
    border: 1px solid rgba(155, 93, 229, 0.4);
    margin-bottom: 20px;
}
.hero-content h1 {
    font-size: 3.2rem; font-weight: 900; line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #e0e0ff 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-content p {
    font-size: 1.15rem; color: var(--text-secondary);
    line-height: 1.8; margin-bottom: 30px;
}
.hero-dots {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 3;
}
.hero-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: rgba(255,255,255,0.3); cursor: pointer;
    transition: var(--transition);
}
.hero-dot.active {
    background: var(--primary); width: 36px; border-radius: 6px;
    box-shadow: 0 0 10px rgba(230, 57, 70, 0.5);
}
.hero-arrows {
    position: absolute; top: 50%; left: 0; right: 0;
    transform: translateY(-50%); z-index: 3;
    display: flex; justify-content: space-between;
    padding: 0 20px; pointer-events: none;
}
.hero-arrow {
    pointer-events: auto; width: 50px; height: 50px; border-radius: 50%;
    background: rgba(10, 10, 15, 0.6); border: 1px solid var(--border-color);
    color: var(--text-primary); font-size: 1rem;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition); backdrop-filter: blur(10px);
}
.hero-arrow:hover {
    background: var(--gradient-main); border-color: transparent;
    box-shadow: var(--shadow-neon);
}

/* ========== 通用Section ========== */
.section { padding: 80px 0; position: relative; }

/* ========== 关于区域 ========== */
.about-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.about-desc {
    font-size: 1.05rem; color: var(--text-secondary);
    line-height: 1.9; margin-bottom: 30px;
}
.about-stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    margin-bottom: 30px;
}
.stat-item { text-align: center; }
.stat-number {
    font-size: 2.5rem; font-weight: 900;
    background: var(--gradient-main);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-suffix {
    font-size: 1.5rem; font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    display: block; font-size: 0.85rem; color: var(--text-muted); margin-top: 4px;
}
.about-card-stack {
    position: relative; height: 400px;
}
.about-card {
    position: absolute; width: 260px; padding: 30px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); text-align: center;
    transition: var(--transition);
}
.about-card i {
    font-size: 2.5rem; margin-bottom: 15px;
    background: var(--gradient-main);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.about-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
.about-card p { font-size: 0.85rem; color: var(--text-secondary); }
.about-card-1 { top: 0; left: 0; animation: float 4s ease-in-out infinite; }
.about-card-2 { top: 50%; left: 50%; transform: translate(-50%, -50%); animation: float 4s ease-in-out infinite 1s; z-index: 2; box-shadow: var(--shadow-neon); }
.about-card-3 { bottom: 0; right: 0; animation: float 4s ease-in-out infinite 2s; }

/* ========== 服务卡片 ========== */
.services-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px;
}
.service-card {
    text-align: center; padding: 40px 25px; position: relative; overflow: hidden;
}
.service-icon {
    width: 80px; height: 80px; border-radius: 20px; margin: 0 auto 20px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(155, 93, 229, 0.1); border: 1px solid var(--border-color);
    font-size: 2rem; color: var(--secondary);
    transition: var(--transition);
}
.service-card:hover .service-icon {
    background: var(--gradient-main); color: #fff;
    border-color: transparent; transform: scale(1.1);
    box-shadow: var(--shadow-neon);
}
.service-glow {
    position: absolute; bottom: -50%; left: 50%; transform: translateX(-50%);
    width: 200px; height: 200px; border-radius: 50%;
    background: radial-gradient(circle, rgba(155, 93, 229, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* ========== 新闻卡片 ========== */
.news-card { position: relative; }
.card-link {
    position: absolute; inset: 0; z-index: 1;
}

/* ========== 赛事卡片 ========== */
.event-card-inner {
    display: flex; gap: 25px; padding: 25px;
}
.event-date-badge {
    min-width: 80px; text-align: center; padding: 15px 10px;
    background: rgba(155, 93, 229, 0.1); border: 1px solid var(--border-color);
    border-radius: var(--radius); display: flex; flex-direction: column;
    align-items: center; justify-content: center;
}
.evt-month { font-size: 0.85rem; color: var(--secondary); font-weight: 600; }
.evt-day { font-size: 2rem; font-weight: 900; color: var(--primary); }
.event-info { flex: 1; }
.event-status-tag {
    display: inline-block; padding: 3px 10px; border-radius: 12px;
    font-size: 0.75rem; font-weight: 600; margin-bottom: 8px;
}
.tag-ongoing { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.tag-ended { background: rgba(107, 107, 128, 0.15); color: var(--text-muted); }
.tag-upcoming { background: rgba(230, 57, 70, 0.15); color: var(--primary); }

/* ========== CTA ========== */
.cta-box {
    position: relative; text-align: center; padding: 60px 40px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); overflow: hidden;
}
.cta-glow {
    position: absolute; top: -50%; left: 50%; transform: translateX(-50%);
    width: 400px; height: 200px; border-radius: 50%;
    background: radial-gradient(circle, rgba(230, 57, 70, 0.15) 0%, transparent 70%);
}
.cta-box h2 {
    font-size: 2rem; font-weight: 800; margin-bottom: 10px; position: relative;
}
.cta-box p {
    color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 30px; position: relative;
}
.cta-buttons {
    display: flex; gap: 15px; justify-content: center; position: relative;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .hero-section { height: 70vh; min-height: 400px; }
    .hero-content h1 { font-size: 2rem; }
    .about-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .about-card-stack { height: 300px; }
    .about-card { width: 200px; padding: 20px; }
    .services-grid { grid-template-columns: 1fr; }
    .event-card-inner { flex-direction: column; }
    .cta-buttons { flex-direction: column; align-items: center; }
}