/* ========== 赛程区域 ========== */
.presentation-1111111 {
    padding: 60px 20px 80px;
    max-width: 1100px;
    margin: 0 auto;
   margin-top: 250px;
}

.presentation-1111111 h2 {
    text-align: center;
    font-size: 2rem;
    color: #ffffff;
    margin-bottom: 50px;
    position: relative;
}

.presentation-1111111 h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #ff6b6b, #ffa502, #ff6348);
    margin: 12px auto 0;
    border-radius: 2px;
}

/* ========== 时间线阶段卡片 ========== */
.timeline {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 60px;
    flex-wrap: wrap;
    margin-top: 50px;
}

.timeline-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    flex: 1;
    min-width: 220px;
    max-width: 300px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 16px 16px 0 0;
}

.timeline-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
}

/* 报名 - 橙红 */
.timeline-card.phase-register::before {
    background: linear-gradient(90deg, #ff6348, #ffa502);
}
.timeline-card.phase-register:hover {
    box-shadow: 0 12px 40px rgba(255, 99, 72, 0.15);
}

/* 比赛 - 天蓝 */
.timeline-card.phase-compete::before {
    background: linear-gradient(90deg, #3742fa, #70a1ff);
}
.timeline-card.phase-compete:hover {
    box-shadow: 0 12px 40px rgba(55, 66, 250, 0.15);
}

/* 评分 - 翠绿 */
.timeline-card.phase-judge::before {
    background: linear-gradient(90deg, #2ed573, #7bed9f);
}
.timeline-card.phase-judge:hover {
    box-shadow: 0 12px 40px rgba(46, 213, 115, 0.15);
}

.timeline-card .phase-tag {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 14px;
}

.phase-register .phase-tag {
    background: rgba(255, 99, 72, 0.15);
    color: #ff6348;
}
.phase-compete .phase-tag {
    background: rgba(55, 66, 250, 0.15);
    color: #70a1ff;
}
.phase-judge .phase-tag {
    background: rgba(46, 213, 115, 0.15);
    color: #2ed573;
}

.timeline-card .phase-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
}

.timeline-card .phase-date {
    font-size: 0.95rem;
    color: #999;
    margin-bottom: 6px;
}

.timeline-card .phase-sub {
    font-size: 0.85rem;
    color: #777;
}

/* ========== 箭头连接线 ========== */
.timeline-arrow {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* ========== 区域标题 ========== */
.areas-title {
    text-align: center;
    font-size: 1.3rem;
    color: #ccc;
    margin-bottom: 8px;
}

.areas-subtitle {
    text-align: center;
    font-size: 0.9rem;
    color: #777;
    margin-bottom: 36px;
}

/* ========== 8区域网格 ========== */
.areas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.area-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 24px 16px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.area-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.area-card .area-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

/* 每个区域不同颜色 */
.area-card:nth-child(1) .area-icon { background: rgba(255, 107, 107, 0.15); }
.area-card:nth-child(2) .area-icon { background: rgba(255, 165, 2, 0.15); }
.area-card:nth-child(3) .area-icon { background: rgba(46, 213, 115, 0.15); }
.area-card:nth-child(4) .area-icon { background: rgba(55, 66, 250, 0.15); }
.area-card:nth-child(5) .area-icon { background: rgba(165, 94, 234, 0.15); }
.area-card:nth-child(6) .area-icon { background: rgba(255, 99, 72, 0.15); }
.area-card:nth-child(7) .area-icon { background: rgba(30, 144, 255, 0.15); }
.area-card:nth-child(8) .area-icon { background: rgba(255, 105, 180, 0.15); }

.area-card:nth-child(1) .area-icon { color: #ff6b6b; }
.area-card:nth-child(2) .area-icon { color: #ffa502; }
.area-card:nth-child(3) .area-icon { color: #2ed573; }
.area-card:nth-child(4) .area-icon { color: #70a1ff; }
.area-card:nth-child(5) .area-icon { color: #a55eea; }
.area-card:nth-child(6) .area-icon { color: #ff6348; }
.area-card:nth-child(7) .area-icon { color: #1e90ff; }
.area-card:nth-child(8) .area-icon { color: #ff69b4; }

.area-card .area-number {
    font-size: 0.75rem;
    color: #666;
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.area-card .area-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.area-card .area-player {
    font-size: 0.85rem;
    color: #888;
}

.area-card .area-player.filled {
    color: #ffa502;
    font-weight: 600;
}

/* ========== 底部说明 ========== */
.areas-note {
    text-align: center;
    margin-top: 32px;
    font-size: 0.85rem;
    color: #666;
    line-height: 1.6;
}

/* ========== 常见问题 ========== */
.question-container {
    padding: 60px 20px 80px;
    max-width: 800px;
    margin: 0 auto;
}

.question-container h2 {
    text-align: center;
    font-size: 2rem;
    color: #ffffff;
    margin-bottom: 40px;
    position: relative;
}

.question-container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #ff6348, #ffa502);
    margin: 12px auto 0;
    border-radius: 2px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: #e0e0e0;
    font-size: 1rem;
    text-align: left;
    padding: 18px 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: color 0.2s ease;
    line-height: 1.6;
}

.faq-question:hover {
    color: #ffffff;
}

.faq-question .faq-icon {
    flex-shrink: 0;
    font-size: 0.7rem;
    color: #ff6348;
    transition: transform 0.3s ease;
}

.faq-item.open .faq-question .faq-icon {
    transform: rotate(90deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.open .faq-answer {
    max-height: 400px;
}

.faq-answer p {
    padding: 0 20px 18px 52px;
    color: #aaa;
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ========== 响应式 ========== */
@media screen and (max-width: 900px) {
    .areas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 700px) {
    .timeline {
        flex-direction: column;
        align-items: center;
    }
    .timeline-card {
        max-width: 100%;
    }
    .timeline-arrow {
        transform: rotate(90deg);
    }
}

@media screen and (max-width: 480px) {
    .areas-grid {
        grid-template-columns: 1fr;
    }
    .presentation-1111111 h2 {
        font-size: 1.5rem;
    }
    .question-container h2 {
        font-size: 1.5rem;
    }
}
