/* ========================================
   恒硕优品建站 - 首页专用样式
   ======================================== */

/* Hero Banner */
.hero {
    height: 100vh;
    min-height: 700px;
    background: linear-gradient(135deg, var(--primary-red) 0%, #8b1528 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/bg-pattern.png') repeat;
    opacity: 0.1;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--pure-white);
}

.hero-badge {
    display: inline-block;
    background: var(--primary-gold);
    color: var(--text-dark);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 25px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 25px;
    font-weight: 700;
}

.hero-title span {
    color: var(--primary-gold);
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.hero-shape {
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--primary-gold);
    border-radius: 50%;
    top: -50px;
    right: -50px;
    opacity: 0.3;
}

/* 核心优势板块 */
.features {
    background: var(--light-gray);
    position: relative;
}

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

.feature-card {
    background: var(--pure-white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.4s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-red), var(--primary-gold));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-gold));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 40px;
    height: 40px;
    fill: var(--pure-white);
}

.feature-card h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* 快速入口 */
.quick-access {
    background: var(--pure-white);
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.access-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 400px;
    group: ;
}

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

.access-card:hover .access-img {
    transform: scale(1.1);
}

.access-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 30px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--pure-white);
}

.access-overlay h3 {
    font-size: 26px;
    margin-bottom: 10px;
}

.access-overlay p {
    opacity: 0.9;
    margin-bottom: 20px;
}

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

.access-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.access-card:hover .access-link::after {
    transform: translateX(5px);
}

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

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

.news-tab {
    padding: 12px 30px;
    background: var(--pure-white);
    border: 2px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

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

.news-card {
    background: var(--pure-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.news-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 200px;
}

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

.news-card:hover .news-img {
    transform: scale(1.1);
}

.news-date {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-red);
    color: var(--pure-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.news-content {
    padding: 25px;
}

.news-content h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-content p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-light);
}

.news-more {
    text-align: center;
    margin-top: 50px;
}

/* CTA 板块 */
.cta {
    background: linear-gradient(135deg, var(--primary-red) 0%, #8b1528 100%);
    padding: 100px 0;
    text-align: center;
    color: var(--pure-white);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('../images/bg-pattern.png') repeat;
    opacity: 0.1;
    animation: rotate 60s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

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

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

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .features-grid,
    .access-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .cta h2 {
        font-size: 32px;
    }
}