/* ========================================
   科阔启程 - 首页专用样式
   ======================================== */

/* Hero Banner 区域 */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(44, 62, 46, 0.85) 0%, rgba(61, 82, 66, 0.75) 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    padding: 10px 25px;
    background: rgba(184, 149, 107, 0.2);
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    font-size: 14px;
    letter-spacing: 3px;
    margin-bottom: 30px;
    border-radius: 30px;
    animation: fadeInDown 1s ease;
}

.hero-title {
    font-size: 56px;
    color: var(--color-cream);
    margin-bottom: 25px;
    font-weight: 700;
    line-height: 1.2;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-cream);
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s both;
}

/* 多层边框框架布局 */
.frame-wrapper {
    position: relative;
    padding: 60px;
    background: var(--color-cream);
}

.frame-outer {
    border: 3px solid var(--color-gold);
    padding: 40px;
    position: relative;
}

.frame-middle {
    border: 2px solid var(--color-green-medium);
    padding: 30px;
    position: relative;
}

.frame-inner {
    border: 1px solid rgba(184, 149, 107, 0.3);
    padding: 20px;
    background: var(--color-white);
}

/* 核心优势板块 */
.advantages {
    background: linear-gradient(135deg, var(--color-cream-light) 0%, var(--color-cream) 100%);
    position: relative;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    background: var(--color-white);
    padding: 40px 30px;
    text-align: center;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
    border: var(--border-gold);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

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

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--color-white);
}

.advantage-title {
    font-size: 18px;
    color: var(--color-green-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-text {
    color: var(--color-text-light);
    font-size: 14px;
    line-height: 1.8;
}

/* 服务模块 */
.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.service-card {
    background: var(--color-cream-light);
    padding: 45px 35px;
    border-radius: 8px;
    transition: all 0.4s ease;
    border: var(--border-gold);
    position: relative;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 60px 60px;
    border-color: transparent transparent var(--color-gold) transparent;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.service-card:hover::after {
    opacity: 1;
}

.service-number {
    font-size: 48px;
    font-weight: 700;
    color: rgba(184, 149, 107, 0.2);
    position: absolute;
    top: 20px;
    right: 20px;
}

.service-icon {
    font-size: 42px;
    margin-bottom: 25px;
    display: block;
}

.service-title {
    font-size: 20px;
    color: var(--color-green-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

.service-text {
    color: var(--color-text-light);
    font-size: 14px;
    line-height: 2;
    margin-bottom: 20px;
}

.service-link {
    color: var(--color-gold);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-link:hover {
    gap: 12px;
}

/* 快速入口 */
.quick-access {
    background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-green-medium) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.quick-access::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(184, 149, 107, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    position: relative;
    z-index: 2;
}

.access-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(184, 149, 107, 0.3);
    padding: 35px 25px;
    text-align: center;
    border-radius: 8px;
    transition: all 0.4s ease;
    cursor: pointer;
}

.access-item:hover {
    background: rgba(184, 149, 107, 0.15);
    border-color: var(--color-gold);
    transform: translateY(-5px);
}

.access-icon {
    font-size: 36px;
    margin-bottom: 15px;
    display: block;
}

.access-title {
    color: var(--color-cream);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.access-text {
    color: rgba(245, 243, 236, 0.7);
    font-size: 13px;
}

/* 资讯列表 */
.news-section {
    background: var(--color-cream-light);
}

.news-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.news-tab {
    padding: 10px 25px;
    background: var(--color-white);
    border: var(--border-gold);
    border-radius: 30px;
    color: var(--color-text-light);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.news-tab.active,
.news-tab:hover {
    background: var(--color-gold);
    color: var(--color-white);
    border-color: var(--color-gold);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* CTA 区域 */
.cta {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-title {
    font-size: 36px;
    color: var(--color-white);
    margin-bottom: 20px;
    font-weight: 700;
}

.cta-text {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 35px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.cta .btn-outline {
    border-color: var(--color-white);
    color: var(--color-white);
}

.cta .btn-outline:hover {
    background: var(--color-white);
    color: var(--color-gold);
}

/* 动画关键帧 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 42px;
    }
    
    .advantages-grid,
    .access-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 500px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .frame-wrapper {
        padding: 30px 20px;
    }
    
    .frame-outer {
        padding: 25px;
    }
    
    .frame-middle {
        padding: 20px;
    }
    
    .advantages-grid,
    .services-grid,
    .access-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .cta-text {
        font-size: 16px;
    }
}