/* ================================================
   师资力量专用样式 - faculty.css
   藏后品牌官网
   ================================================ */

/* ---- 1. Hero Banner ---- */
.faculty-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}
.faculty-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(17,31,77,0.7) 0%, rgba(17,31,77,0.45) 100%);
}
.faculty-hero-content {
    position: relative;
    z-index: 10;
    color: var(--color-white);
    max-width: 800px;
    padding: 0 20px;
}
.faculty-hero-tag {
    display: inline-block;
    color: var(--color-gold);
    font-family: var(--font-en);
    font-size: 1rem;
    letter-spacing: 0.3em;
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease both;
}
.faculty-hero-title {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 12px;
    animation: fadeInUp 0.8s 0.2s ease both;
    text-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.faculty-hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.15em;
    animation: fadeInUp 0.8s 0.4s ease both;
}
.faculty-hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 5;
}
.faculty-hero-wave svg {
    width: 100%;
    height: 40px;
    display: block;
}

/* ---- 2. 师资概览区 ---- */
.faculty-overview {
    padding: 100px 0 80px;
    background: var(--color-bg);
}
.faculty-overview-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: flex-start;
    margin-top: 50px;
}
.faculty-overview-text p {
    color: var(--color-text-light);
    font-size: 0.98rem;
    line-height: 1.9;
    margin-bottom: 18px;
}
.faculty-overview-text .overview-lead {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 600;
    line-height: 1.8;
}

/* 数据亮点卡片 */
.faculty-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.faculty-stat-card {
    background: var(--color-white);
    border: 1px solid rgba(201,162,39,0.2);
    border-radius: 4px;
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.faculty-stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}
.faculty-stat-card:hover::before { transform: scaleX(1); }
.faculty-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--color-gold);
}
.faculty-stat-card .stat-num {
    display: block;
    font-family: var(--font-en);
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: 8px;
}
.faculty-stat-card .stat-num em {
    font-style: normal;
    color: var(--color-gold);
}
.faculty-stat-card .stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
}

/* ---- 3. 教学理念区 ---- */
.faculty-philosophy {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0d1b3e 100%);
    position: relative;
    overflow: hidden;
}
.faculty-philosophy::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        45deg, transparent, transparent 20px,
        rgba(201,162,39,0.02) 20px, rgba(201,162,39,0.02) 40px
    );
    pointer-events: none;
}
.faculty-philosophy .section-header .zh-title { color: var(--color-white); }
.faculty-philosophy .section-header .en-title { color: var(--color-gold-light); }

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}
.philosophy-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(201,162,39,0.2);
    border-radius: 6px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}
.philosophy-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.08);
    border-color: var(--color-gold);
    box-shadow: 0 12px 40px rgba(201,162,39,0.15);
}
.philosophy-icon {
    color: var(--color-gold);
    margin-bottom: 20px;
}
.philosophy-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}
.philosophy-en {
    font-family: var(--font-en);
    font-size: 0.82rem;
    color: var(--color-gold-light);
    letter-spacing: 0.2em;
    margin-bottom: 16px;
}
.philosophy-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    margin-bottom: 20px;
    max-width: 200px;
    margin-left: auto;
    margin-right: auto;
}
.philosophy-desc {
    font-size: 0.9rem;
    line-height: 1.85;
    color: rgba(255,255,255,0.7);
}

/* ---- 4. 首席导师区 ---- */
.faculty-chief {
    padding: 100px 0;
    background: var(--color-white);
}
.chief-card {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 50px;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0d1b3e 100%);
    border: 1px solid rgba(201,162,39,0.3);
    border-radius: 6px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    align-items: center;
}
.chief-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        45deg, transparent, transparent 20px,
        rgba(201,162,39,0.02) 20px, rgba(201,162,39,0.02) 40px
    );
    pointer-events: none;
}
.chief-img-wrap {
    position: relative;
    z-index: 1;
    border-radius: 4px;
    overflow: hidden;
    border: 2px solid rgba(201,162,39,0.4);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.chief-img-wrap img {
    width: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.chief-img-wrap:hover img { transform: scale(1.03); }
.chief-info {
    position: relative;
    z-index: 1;
    color: var(--color-white);
}
.chief-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-primary-dark);
    padding: 6px 20px;
    border-radius: 2px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}
.chief-name {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 6px;
    color: var(--color-white);
}
.chief-title-en {
    font-family: var(--font-en);
    font-size: 0.85rem;
    color: var(--color-gold-light);
    letter-spacing: 0.15em;
    margin-bottom: 16px;
}
.chief-divider {
    height: 1px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    margin-bottom: 20px;
    max-width: 300px;
}
.chief-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}
.chief-tags span {
    display: inline-block;
    border: 1px solid rgba(201,162,39,0.35);
    color: var(--color-gold-light);
    padding: 4px 14px;
    border-radius: 2px;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
}
.chief-desc {
    font-size: 0.92rem;
    line-height: 1.9;
    color: rgba(255,255,255,0.75);
}

/* ---- 5. 轮播通用样式 ---- */
.faculty-core {
    padding: 100px 0;
    background: var(--color-bg);
}
.faculty-experts {
    padding: 100px 0;
    background: var(--color-white);
}

/* 轮播容器 */
.faculty-carousel {
    position: relative;
    max-width: 100%;
    overflow: hidden;
}
.carousel-viewport {
    overflow: hidden;
    border-radius: 6px;
}
.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}
.carousel-slide {
    flex: 0 0 100%;
    min-width: 0;
    padding: 0 10px;
}

/* 轮播控制 */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 36px;
}
.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--color-gold);
    background: transparent;
    color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.carousel-btn:hover {
    background: var(--color-gold);
    color: var(--color-white);
    box-shadow: var(--shadow-gold);
}
.carousel-btn:active {
    transform: scale(0.95);
}
.carousel-dots {
    display: flex;
    gap: 10px;
    align-items: center;
}
.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(201,162,39,0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}
.carousel-dot.active {
    background: var(--color-gold);
    width: 30px;
    border-radius: 5px;
}

/* ---- 5.1 核心导师轮播卡片 ---- */
.core-slide-card {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 40px;
    background: var(--color-white);
    border: 1px solid rgba(201,162,39,0.2);
    border-radius: 6px;
    overflow: hidden;
    align-items: stretch;
    min-height: 460px;
}
.core-slide-img {
    overflow: hidden;
    position: relative;
}
.core-slide-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.core-slide-card:hover .core-slide-img img {
    transform: scale(1.05);
}
.core-slide-info {
    padding: 40px 40px 40px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.core-badge {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-gold-light);
    padding: 5px 16px;
    border-radius: 2px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
    align-self: flex-start;
}
.core-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}
.core-title-en {
    font-family: var(--font-en);
    font-size: 0.82rem;
    color: var(--color-gold);
    letter-spacing: 0.12em;
    margin-bottom: 16px;
}
.core-divider {
    height: 1px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    margin-bottom: 18px;
    max-width: 220px;
}
.core-desc {
    font-size: 0.92rem;
    line-height: 1.9;
    color: var(--color-text-light);
}

/* ---- 5.2 专业导师轮播卡片 ---- */
.expert-slide-card {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 36px;
    background: var(--color-bg);
    border: 1px solid rgba(201,162,39,0.15);
    border-radius: 6px;
    overflow: hidden;
    align-items: stretch;
    min-height: 400px;
    transition: var(--transition);
}
.expert-slide-card:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow);
}
.expert-slide-img {
    overflow: hidden;
    position: relative;
}
.expert-slide-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.expert-slide-card:hover .expert-slide-img img {
    transform: scale(1.05);
}
.expert-slide-info {
    padding: 36px 36px 36px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.expert-name {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}
.expert-title {
    display: block;
    font-size: 0.9rem;
    color: var(--color-gold);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}
.expert-subtitle {
    display: block;
    font-size: 0.82rem;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}
.expert-divider {
    height: 1px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    margin-bottom: 18px;
    max-width: 200px;
}
.expert-desc {
    font-size: 0.9rem;
    line-height: 1.9;
    color: var(--color-text-light);
}

/* ---- 6. 底部CTA区 ---- */
.faculty-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0d1b3e 100%);
    position: relative;
    overflow: hidden;
}
.faculty-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        -45deg, transparent, transparent 30px,
        rgba(201,162,39,0.02) 30px, rgba(201,162,39,0.02) 60px
    );
    pointer-events: none;
}
.faculty-cta .cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}
.faculty-cta .cta-text h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}
.faculty-cta .cta-text p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.65);
    letter-spacing: 0.08em;
}
.faculty-cta .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-primary-dark);
    padding: 16px 36px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    transition: var(--transition);
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(201,162,39,0.4);
}
.faculty-cta .cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(201,162,39,0.6);
}

/* ---- 8. Reveal滚动动画 ---- */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* ---- 7. 响应式 ---- */
@media (max-width: 1024px) {
    .faculty-overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .chief-card {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px;
    }
    .chief-img-wrap {
        max-width: 400px;
        margin: 0 auto;
    }
    /* 轮播卡片响应式 */
    .core-slide-card {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .core-slide-img {
        max-height: 400px;
    }
    .core-slide-info {
        padding: 30px;
    }
    .expert-slide-card {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .expert-slide-img {
        max-height: 360px;
    }
    .expert-slide-info {
        padding: 28px;
    }
    .faculty-cta .cta-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .faculty-hero {
        height: 50vh;
        min-height: 320px;
    }
    .faculty-overview,
    .faculty-philosophy,
    .faculty-chief,
    .faculty-core,
    .faculty-experts {
        padding: 60px 0;
    }
    .faculty-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    .faculty-stat-card {
        padding: 20px 12px;
    }
    .faculty-stat-card .stat-num {
        font-size: 1.8rem;
    }
    .chief-card {
        padding: 20px;
    }
    .chief-name {
        font-size: 1.6rem;
    }
    .core-name {
        font-size: 1.4rem;
    }
    .expert-name {
        font-size: 1.3rem;
    }
    .carousel-btn {
        width: 40px;
        height: 40px;
    }
    .carousel-btn svg {
        width: 16px;
        height: 16px;
    }
    .faculty-cta .cta-text h2 {
        font-size: 1.4rem;
    }
    .faculty-cta {
        padding: 50px 0;
    }
}