/* 
 * 专题列表页面专用样式 (Premium Minimalist)
 */

.series-list-page {
    padding: 0 0 100px;
    min-height: 900px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* --- 极简 Hero 头部 --- */
.hero-section {
    position: relative;
    padding: 80px 0 60px;
    /* Reduced from 140px/100px to match slider height */
    text-align: center;
    overflow: visible;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(30, 159, 255, 0.04) 0%, rgba(124, 58, 237, 0.02) 40%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}

.hero-content-wrap {
    position: relative;
    z-index: 10;
    max-width: 850px;
    margin: 0 auto;
    animation: heroReveal 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes heroReveal {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: #1e9fff;
    text-transform: uppercase;
    letter-spacing: 5px;
    margin-bottom: 25px;
    opacity: 0.7;
}

.hero-title {
    font-size: 46px;
    /* Slightly reduced to fit the shorter hero */
    font-weight: 200;
    color: #111;
    margin-bottom: 20px;
    letter-spacing: -1.5px;
    line-height: 1.1;
}

.hero-title b {
    font-weight: 700;
    color: #000;
    position: relative;
}

.hero-desc {
    font-size: 19px;
    color: #889;
    line-height: 1.9;
    max-width: 620px;
    margin: 0 auto;
    font-weight: 300;
}

/* --- 专题卡片网格 --- */
.series-grid {
    margin-top: 20px;
}

.series-item-card {
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 50px;
    display: block;
    transition: all 0.7s cubic-bezier(0.15, 1, 0.3, 1);
    border: 1px solid #f2f2f2;
    text-decoration: none !important;
}

.series-item-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 40px 90px rgba(0, 0, 0, 0.06);
    border-color: #eee;
}

.series-img-wrap {
    position: relative;
    padding-top: 56.25%;
    /* Changed to 16:9 aspect ratio to reduce image height */
    background: #fcfcfc;
    overflow: hidden;
}

.series-img-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.5s cubic-bezier(0.15, 1, 0.3, 1);
}

.series-item-card:hover .series-img-wrap img {
    transform: scale(1.08);
}

.series-content {
    padding: 25px 20px;
    /* Reduced top/bottom padding to tighten card height */
    text-align: center;
}

.series-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1a1a1a;
    transition: color 0.3s ease;
}

.series-item-card:hover .series-content h3 {
    color: #1e9fff;
}

.series-content p {
    font-size: 14px;
    color: #8e8e93;
    line-height: 1.6;
    height: 44px;
    /* Reduced fixed height */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-weight: 300;
    margin-bottom: 0;
}

.series-btn {
    display: inline-block;
    margin-top: 15px;
    /* Tighter button margin */
    font-size: 11px;
    color: #1e9fff;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: all 0.4s ease;
    opacity: 0.6;
}

.series-item-card:hover .series-btn {
    opacity: 1;
    border-bottom-color: #1e9fff;
    letter-spacing: 3px;
}

/* --- 响应式适配 --- */
@media screen and (max-width: 992px) {
    .hero-title {
        font-size: 42px;
    }

    .hero-section {
        padding: 100px 20px 60px;
    }
}

@media screen and (max-width: 768px) {
    .hero-title {
        font-size: 34px;
        letter-spacing: -1px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .series-content {
        padding: 25px 20px;
    }
}