/* ============================================
   主页样式
   ============================================ */

/* --- Hero Banner --- */
.hero-banner {
    position: relative;
    margin-top: var(--header-height);
    height: 380px;
    overflow: hidden;
    background: linear-gradient(135deg, #0a2463 0%, #1e3a8a 30%, #0366d6 70%, #4285f4 100%);
}

#starCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.banner-slides {
    position: relative;
    z-index: 2;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    pointer-events: none;
}

.banner-slide.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.banner-content {
    text-align: center;
    color: #fff;
    padding: 0 20px;
    max-width: 700px;
}

.banner-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    letter-spacing: 2px;
}

.banner-desc {
    font-size: 1.05rem;
    opacity: 0.9;
    line-height: 1.7;
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: #fff;
    width: 28px;
    border-radius: 5px;
}

.dot:hover:not(.active) {
    background: rgba(255,255,255,0.7);
}

/* --- Admission Section --- */
.admission-section {
    background: var(--bg-white);
}

.admission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.admission-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.admission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.admission-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.admission-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    transition: transform 0.3s ease;
}

.admission-card:hover .card-icon {
    transform: scale(1.15);
}

.admission-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.admission-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- Split Section --- */
.split-section {
    background: var(--bg);
}

.split-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

/* Major List */
.major-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.major-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.major-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-lighter);
}

.date-box {
    flex-shrink: 0;
    width: 64px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 8px 4px;
}

.date-day {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.date-ym {
    display: block;
    font-size: 0.65rem;
    opacity: 0.9;
    margin-top: 4px;
}

.major-info h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.major-card:hover .major-info h3 {
    color: var(--primary);
}

.badge {
    display: inline-block;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    margin-right: 6px;
    font-weight: 500;
    vertical-align: middle;
}

.badge-top {
    background: #fff3cd;
    color: #856404;
}

.badge-urgent {
    background: #f8d7da;
    color: #721c24;
}

.badge-normal {
    background: var(--primary-lighter);
    color: var(--primary);
}

/* Campus Article */
.campus-article {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
}

.campus-article:hover {
    box-shadow: var(--shadow-lg);
}

.campus-img-wrapper {
    width: 100%;
  /* height: 200px;*/
    overflow: hidden;
}

.campus-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.campus-article:hover .campus-img {
    transform: scale(1.05);
}

.campus-article h3 {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 16px 20px 8px;
    color: var(--text-primary);
}

.campus-article p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    padding: 0 20px 20px;
}

/* ============================================
   Responsive - Tablet (≤960px)
   ============================================ */
@media (max-width: 960px) {
    .hero-banner {
        height: 320px;
    }

    .banner-title {
        font-size: 1.85rem;
    }

    .banner-desc {
        font-size: 0.95rem;
    }

    .admission-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .split-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .campus-img-wrapper {
        height: 180px;
    }
}

/* ============================================
   Responsive - Mobile (≤640px)
   ============================================ */
@media (max-width: 640px) {
    .hero-banner {
        height: 280px;
    }

    .banner-title {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }

    .banner-desc {
        font-size: 0.875rem;
    }

    .admission-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .admission-card {
        padding: 20px 12px;
    }

    .card-icon {
        font-size: 2rem;
        margin-bottom: 10px;
    }

    .admission-card h3 {
        font-size: 0.875rem;
    }

    .admission-card p {
        font-size: 0.75rem;
    }

    .date-box {
        width: 56px;
    }

    .date-day {
        font-size: 1.25rem;
    }

    .major-info h3 {
        font-size: 0.875rem;
    }

    .campus-img-wrapper {
        height: 150px;
    }
}