/* =============================================================
 * 渝乐盟 · 三峰详情页专用样式 (peaks.css)
 * 需配合 style.css 使用（共用主题变量与导航/页脚）
 * ============================================================= */

/* -------------------- 详情页页头 (峰门 Banner) -------------------- */
.peak-hero {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    border-bottom: 2px solid var(--gold);
    overflow: hidden;
}
.peak-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(44, 74, 99, 0.55) 0%,
        rgba(44, 74, 99, 0.35) 45%,
        rgba(44, 74, 99, 0.6) 100%
    );
    z-index: 0;
}
.peak-hero > * {
    position: relative;
    z-index: 1;
}
.peak-hero .peak-icon {
    font-size: 4rem;
    color: var(--gold-light);
    margin-bottom: 1rem;
    text-shadow: 0 2px 20px rgba(44, 74, 99, 0.6);
}
.peak-hero .sect-name {
    font-size: 1.1rem;
    color: var(--gold-light);
    letter-spacing: 10px;
    margin-bottom: 1rem;
    opacity: 0.9;
    border: 1px solid var(--gold);
    padding: 0.3rem 2rem;
    border-radius: 2px;
    background: rgba(44, 74, 99, 0.35);
}
.peak-hero h2 {
    font-size: clamp(2.8rem, 8vw, 5rem);
    font-weight: normal;
    letter-spacing: 12px;
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(44, 74, 99, 0.6);
    line-height: 1.2;
    margin-bottom: 0.5rem;
}
.peak-hero .eng {
    font-size: 1.3rem;
    letter-spacing: 6px;
    color: var(--gold-light);
    opacity: 0.9;
    text-shadow: 0 1px 10px rgba(44, 74, 99, 0.5);
}
.peak-hero .peak-tagline {
    margin-top: 1.5rem;
    font-size: 1.2rem;
    color: #ffffff;
    letter-spacing: 3px;
    text-shadow: 0 1px 8px rgba(44, 74, 99, 0.7);
}

/* -------------------- 详情内容区 -------------------- */
.peak-detail {
    padding: 4rem 0;
    background: var(--scroll-bg);
    color: var(--deep-text);
}
.peak-detail .section-title {
    text-align: center;
    font-size: 2rem;
    letter-spacing: 8px;
    color: var(--ink-black);
    border-bottom: 2px solid var(--gold);
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 2.5rem;
}
.peak-detail .section-title.center {
    display: block;
    text-align: center;
}

/* 简介段落 */
.peak-intro {
    max-width: 820px;
    margin: 0 auto 3rem;
    text-align: center;
    font-size: 1.15rem;
    line-height: 2;
    color: #4a5f72;
}

/* 特色卡片网格 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}
.feature-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 8px 20px 8px 20px;
    box-shadow: 0 10px 30px rgba(44, 74, 99, 0.1);
    border-left: 5px solid var(--jade-green);
    transition: 0.3s;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-blue);
}
.feature-card .icon {
    font-size: 2rem;
    color: var(--jade-green);
    margin-bottom: 0.8rem;
}
.feature-card h4 {
    font-size: 1.4rem;
    color: var(--ink-black);
    letter-spacing: 3px;
    margin-bottom: 0.6rem;
}
.feature-card p {
    line-height: 1.8;
    color: #4a5f72;
    font-size: 0.95rem;
}

/* 路线图 / 时间线 */
.timeline {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    padding-left: 2rem;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--gold), var(--jade-green), transparent);
}
.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(44, 74, 99, 0.08);
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.9rem;
    top: 1.3rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gold);
    border: 3px solid var(--scroll-bg);
}
.timeline-item .phase {
    font-size: 0.85rem;
    color: var(--jade-green);
    letter-spacing: 2px;
    font-weight: bold;
}
.timeline-item h4 {
    font-size: 1.3rem;
    color: var(--ink-black);
    letter-spacing: 2px;
    margin: 0.3rem 0;
}
.timeline-item p {
    color: #4a5f72;
    line-height: 1.7;
    font-size: 0.95rem;
}

/* 数据统计条 */
.stats-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2.5rem;
    margin: 2rem 0 3rem;
}
.stat {
    text-align: center;
}
.stat .num {
    font-size: 2.6rem;
    color: var(--ink-black);
    font-weight: bold;
    letter-spacing: 2px;
}
.stat .num span {
    color: var(--gold);
}
.stat .label {
    font-size: 0.9rem;
    color: #7a93ab;
    letter-spacing: 2px;
    margin-top: 0.2rem;
}

/* 返回按钮区 */
.peak-back {
    text-align: center;
    padding: 3rem 0 4rem;
    background: var(--scroll-bg);
}
.peak-back .btn {
    color: var(--ink-black);
    border-color: var(--jade-green);
}

/* 深色区（用于 MCN 等对比） */
.peak-detail.dark {
    background: var(--ink-black);
    color: var(--paper);
}
.peak-detail.dark .section-title {
    color: var(--gold-light);
    border-bottom-color: var(--gold);
}
.peak-detail.dark .peak-intro {
    color: #b8c7d6;
}
.peak-detail.dark .feature-card {
    background: rgba(255, 255, 255, 0.05);
    border-left-color: var(--gold);
    box-shadow: none;
}
.peak-detail.dark .feature-card .icon {
    color: var(--gold);
}
.peak-detail.dark .feature-card h4 {
    color: var(--gold-light);
}
.peak-detail.dark .feature-card p {
    color: #b8c7d6;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .peak-hero {
        padding-top: 7rem;
    }
    .peak-hero h2 {
        letter-spacing: 6px;
    }
    .stats-row {
        gap: 1.5rem;
    }
}