/* 
 * 首页专属样式
 * 不对称双栏渐变布局
 */

/* ========== Hero Banner 区域 ========== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 50%, #3d3d3d 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero-overlay.png') repeat;
    opacity: 0.03;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

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

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(212, 184, 150, 0.15);
    border: 1px solid var(--wood-light);
    color: var(--wood-light);
    font-size: 13px;
    letter-spacing: 2px;
    margin-bottom: 25px;
    border-radius: 3px;
}

.hero h1 {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 25px;
    font-weight: 700;
}

.hero h1 span {
    color: var(--wood-light);
}

.hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 550px;
}

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

.hero-image {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.hero-shape {
    position: absolute;
    width: 400px;
    height: 400px;
    border: 2px solid rgba(212, 184, 150, 0.2);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.hero-shape:nth-child(2) {
    width: 300px;
    height: 300px;
    border-color: rgba(212, 184, 150, 0.15);
    animation-duration: 25s;
    animation-direction: reverse;
}

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

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

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

.feature-card {
    background: var(--pure-white);
    padding: 40px 30px;
    text-align: center;
    border-radius: 5px;
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-color: var(--wood-light);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(212, 184, 150, 0.1), rgba(184, 149, 107, 0.1));
    border-radius: 50%;
}

.feature-icon img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.feature-card h3 {
    font-size: 20px;
    color: var(--deep-gray);
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.7;
}

/* ========== 快速入口板块 ========== */
.quick-access {
    background: linear-gradient(135deg, var(--deep-gray), var(--medium-gray));
    padding: 80px 0;
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
}

.access-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px 20px;
    text-align: center;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    color: var(--pure-white);
}

.access-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--wood-light);
    transform: translateY(-5px);
}

.access-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.access-icon img {
    width: 35px;
    height: 35px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.access-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.access-item span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* ========== 资讯列表板块 ========== */
.news-section {
    background: var(--pure-white);
}

.news-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.news-tab {
    padding: 10px 30px;
    background: transparent;
    border: 2px solid var(--light-gray);
    color: var(--medium-gray);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 30px;
    transition: all 0.3s ease;
}

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

.news-category {
    margin-bottom: 60px;
}

.news-category-title {
    font-size: 22px;
    color: var(--deep-gray);
    margin-bottom: 25px;
    padding-left: 20px;
    border-left: 4px solid var(--wood-medium);
}

/* ========== 品牌实力展示 ========== */
.brand-strength {
    background: var(--off-white);
}

.strength-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.strength-image {
    position: relative;
}

.strength-image img {
    width: 100%;
    border-radius: 5px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.strength-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--wood-light);
    border-radius: 5px;
    z-index: -1;
}

.strength-text h2 {
    font-size: 36px;
    color: var(--deep-gray);
    margin-bottom: 25px;
}

.strength-text p {
    font-size: 16px;
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.strength-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: var(--pure-white);
    border-radius: 5px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--wood-medium);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: var(--medium-gray);
}

/* ========== 响应式调整 ========== */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 48px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .access-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-desc {
        margin: 0 auto 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .strength-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .strength-image::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .access-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .strength-stats {
        grid-template-columns: 1fr;
    }
    
    .news-tabs {
        gap: 10px;
    }
    
    .news-tab {
        padding: 8px 20px;
        font-size: 13px;
    }
}