/* ===== 全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f4f2eb;
    font-family: 'Inter', sans-serif;
    color: #1e2a2a;
    line-height: 1.5;
}

h1, h2, h3, h4, h5 {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 颜色工具类 ===== */
.text-gold {
    color: #D4AF37;
}

.bg-gold {
    background-color: #D4AF37;
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-block;
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    padding: 12px 32px;
    border-radius: 4px;
    text-decoration: none;
    transition: 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: #D4AF37;
    color: #0B3B2F;
    border: 2px solid #D4AF37;
}

.btn-primary:hover {
    background-color: transparent;
    color: #D4AF37;
}

/* ===== Amazon按钮样式 ===== */
.amazon-btn {
    background: #FF9900;
    color: #1e2a2a;
    font-weight: 700;
    padding: 15px 20px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    width: 100%;
    font-size: 1.2rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.amazon-btn:hover {
    background: #e68a00;
    transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(255, 153, 0, 0.3);
}

.amazon-btn i {
    font-size: 1.5rem;
}

/* ===== 导航样式 ===== */
.nav-bar {
    background: #0B3B2F;
    padding: 16px 0;
    border-bottom: 3px solid #D4AF37;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.nav-logo {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: white;
    text-decoration: none;
}

/* ===== 模块标题样式 ===== */
.module-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.module-number {
    background: #D4AF37;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    color: #0B3B2F;
}

.module-title {
    font-size: 2.8rem;
    color: #0B3B2F;
}

/* ===== 产品网格 ===== */
.product-grid-section {
    background: #f4f2eb;
    padding: 60px 40px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #0B1E33;
    margin-bottom: 15px;
    font-family: 'Oswald', sans-serif;
}

.section-subtitle {
    color: #4A5568;
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    cursor: pointer;
    border: 1px solid #E2E8F0;
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(211, 47, 47, 0.15);
    border-color: #D32F2F;
}

.card-image-container {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
}

.card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .card-image {
    transform: scale(1.08);
}

.card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #D32F2F;
    color: white;
    padding: 6px 15px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    z-index: 2;
}

.card-badge.sale {
    background: #FFB300;
    color: #0B1E33;
}

.card-badge.new {
    background: #0B1E33;
    color: white;
}

.card-badge.guide {
    background: #2ECC71;
    color: white;
}

.card-badge.best-value {
    background: #D4AF37;
    color: #0B1E33;
}

.card-info {
    padding: 20px 18px;
    background: white;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-category {
    font-size: 0.7rem;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0B1E33;
    margin-bottom: 8px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8rem;
}

.card-rating {
    color: #FFB300;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.card-rating span {
    color: #718096;
    margin-left: 5px;
    font-size: 0.8rem;
}

.card-price-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 5px;
}

.card-price {
    font-size: 1.4rem;
    font-weight: 800;
    color: #D32F2F;
}

.card-old-price {
    font-size: 1rem;
    color: #A0AEC0;
    text-decoration: line-through;
}

.card-cta {
    background: #0B1E33;
    color: white;
    border: none;
    padding: 12px 18px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    text-decoration: none;
    display: block;
    margin-top: auto;
}

.card-cta.best-value {
    background: #D4AF37;
    color: #0B1E33;
}

.view-all-btn {
    display: inline-block;
    background: transparent;
    color: #D32F2F;
    padding: 14px 35px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid #D32F2F;
}

.view-all-btn:hover {
    background: #D32F2F;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(211, 47, 47, 0.3);
}

/* ===== 页脚 ===== */
.footer {
    background: #0B3B2F;
    color: #ddd;
    padding: 40px 0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: #ddd;
    text-decoration: none;
}

/* ===== 模块通用样式 ===== */
.section-padding {
    padding: 30px 0 80px 0;  /* 上30，下80 */
}

.bg-light {
    background: #f4f2eb;
}

/* 双面展示布局 */
.dual-display {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.dual-images {
    flex: 1 1 400px;
}

.image-pair {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.image-card {
    flex: 1 1 200px;
    text-align: center;
}

.image-frame {
    background: white;
    border-radius: 20px;
    padding: 15px;
    box-shadow: 0 15px 25px rgba(0,0,0,0.1);
}

.image-frame img {
    width: 100%;
    border-radius: 12px;
    display: block;
}

.timezone-badge {
    margin-top: 12px;
    padding: 5px;
    border-radius: 30px;
}

.timezone-badge.eastern {
    background: #0B3B2F;
    color: white;
}

.timezone-badge.pacific {
    background: #D4AF37;
    color: #0B3B2F;
    font-weight: bold;
}

.flip-tag {
    background: #f0e9db;
    padding: 8px 25px;
    border-radius: 40px;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* 卖点卡片 */
.selling-points {
    flex: 1 1 300px;
    background: white;
    border-radius: 28px;
    padding: 30px;
    box-shadow: 0 20px 30px rgba(0,0,0,0.05);
}

.selling-points-title {
    font-size: 2rem;
    color: #0B3B2F;
    margin-bottom: 15px;
}

.selling-points-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.selling-point-card {
    flex: 1;
    background: #f8f6f0;
    border-radius: 16px;
    padding: 15px;
    text-align: center;
}

.selling-point-card .image-wrapper {
    width: 100%;
    height: 120px;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 10px;
}

.selling-point-card .image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.selling-point-tag {
    background: #0B3B2F;
    color: white;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-block;
}

.selling-point-tag.gold {
    background: #D4AF37;
    color: #0B3B2F;
    font-weight: bold;
}

.selling-point-card p {
    margin-top: 8px;
    font-weight: bold;
}

.selling-points-list {
    list-style: none;
}

.selling-points-list li {
    margin-bottom: 12px;
}

.selling-points-list i {
    color: #D4AF37;
    margin-right: 10px;
}

.size-info {
    background: #0B3B2F;
    color: white;
    padding: 12px;
    border-radius: 12px;
    margin-top: 15px;
    text-align: center;
}

/* 三列布局 */
.three-col {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: stretch;
    margin-bottom: 40px;
}

.col-card {
    flex: 1 1 250px;
    min-width: 250px;
    background: white;
    border-radius: 20px;
    padding: 15px;
    box-shadow: 0 15px 25px rgba(0,0,0,0.1);
    height: 100%;
}

/* 卖点总结卡片 */
.summary-card {
    background: white;
    border-radius: 28px;
    padding: 35px 30px;
    box-shadow: 0 20px 30px rgba(0,0,0,0.05);
    margin-top: 30px;
}

.summary-title {
    font-size: 1.8rem;
    color: #0B3B2F;
    margin-bottom: 30px;
    text-align: center;
    border-bottom: 2px dashed #D4AF37;
    padding-bottom: 15px;
}

.summary-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.summary-item {
    flex: 1 1 200px;
    text-align: center;
    padding: 15px 10px;
}

.summary-icon {
    background: #D4AF37;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    color: #0B3B2F;
    margin: 0 auto 15px;
}

.summary-item h5 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.summary-item p {
    color: #5b6b6b;
    line-height: 1.4;
}

.summary-divider {
    border-left: 1px dashed #D4AF37;
    border-right: 1px dashed #D4AF37;
}

.summary-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.summary-footer span {
    background: #f0e9db;
    padding: 5px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
}

/* 尺寸对比卡片 */
.size-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    align-items: flex-end;
}

.size-card {
    flex: 1 1 200px;
    max-width: 250px;
    text-align: center;
    background: white;
    border-radius: 20px;
    padding: 25px 15px;
    box-shadow: 0 15px 25px rgba(0,0,0,0.1);
    border: 2px solid #0B3B2F;
}

.size-card.popular {
    max-width: 300px;
    padding: 35px 20px;
    border: 3px solid #D4AF37;
    transform: scale(1.05);
}

.size-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}

.size-title {
    font-size: 2rem;
    color: #0B3B2F;
}

.size-dimension {
    font-size: 1.3rem;
    font-weight: bold;
    color: #D4AF37;
    margin-bottom: 15px;
}

.size-features {
    background: #f8f6f0;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
}

.size-features p {
    color: #5b6b6b;
}

.size-badge {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 5px;
}

.size-list {
    list-style: none;
    text-align: left;
}

.size-list li {
    margin-bottom: 8px;
}

.size-list i {
    color: #D4AF37;
    margin-right: 8px;
}

.size-guide {
    background: #f0e9db;
    border-radius: 50px;
    padding: 20px;
    margin-top: 30px;
    text-align: center;
}

/* 时区网格 */
.timezone-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.timezone-card {
    background: white;
    border-radius: 20px;
    padding: 25px 15px;
    box-shadow: 0 15px 25px rgba(0,0,0,0.1);
    border: 2px solid #0B3B2F;
    text-align: center;
    position: relative;
}

.timezone-card.bilingual {
    border: 3px solid #D4AF37;
}

.bilingual-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #D4AF37;
    color: #0B3B2F;
    padding: 5px 15px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 0.7rem;
}

.timezone-flag {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.timezone-card h4 {
    font-size: 1.5rem;
    color: #0B3B2F;
    margin-bottom: 5px;
}

.timezone-label {
    font-size: 1rem;
    color: #D4AF37;
    font-weight: bold;
    margin-bottom: 10px;
}

.timezone-cities {
    background: #f8f6f0;
    border-radius: 12px;
    padding: 10px;
    margin-bottom: 10px;
}

.timezone-cities p {
    color: #5b6b6b;
}

.timezone-note {
    font-size: 0.9rem;
}

.timezone-note i {
    color: #D4AF37;
}

.timezone-special {
    background: #f0e9db;
    border-radius: 30px;
    padding: 20px;
    margin-top: 20px;
    text-align: center;
    border-left: 6px solid #D4AF37;
}

/* 双行布局 - 模块7 */
.row-block {
    margin-bottom: 30px;
}

.row-card {
    background: white;
    border-radius: 28px;
    padding: 30px;
    box-shadow: 0 20px 30px rgba(0,0,0,0.1);
}

.row-card.side-a {
    border: 3px solid #D4AF37;
}

.row-card.side-b {
    border: 3px solid #0B3B2F;
}

.row-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.row-badge {
    padding: 5px 20px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1rem;
}

.row-badge.side-a {
    background: #D4AF37;
    color: #0B3B2F;
}

.row-badge.side-b {
    background: #0B3B2F;
    color: white;
}

.row-tag {
    background: #f0e9db;
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 0.9rem;
}

.row-content {
    display: flex;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.row-image {
    flex: 0 0 250px;
}

.image-box {
    width: 250px;
    height: 250px;
    overflow: hidden;
    border-radius: 16px;
    border: 3px solid #f0e9db;
    box-shadow: 0 15px 25px rgba(0,0,0,0.15);
}

.image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.row-image-caption {
    text-align: center;
    margin-top: 10px;
    font-size: 0.9rem;
    color: #5b6b6b;
}

.row-details {
    flex: 1;
}

.row-details h4 {
    font-size: 2rem;
    color: #0B3B2F;
    margin-bottom: 15px;
}

.features-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.feature-item {
    margin-bottom: 0;
}

.feature-icon-small {
    background: #D4AF37;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #0B3B2F;
    margin-bottom: 8px;
}

.feature-item h5 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.feature-item p {
    color: #5b6b6b;
    font-size: 0.9rem;
}

.formations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.formation-card {
    background: #f8f6f0;
    border-radius: 12px;
    padding: 12px;
    text-align: center;
    border-left: 4px solid #D4AF37;
}

.formation-card strong {
    font-size: 1.1rem;
    display: block;
    margin-bottom: 4px;
}

.formation-card p {
    font-size: 0.8rem;
    color: #5b6b6b;
}

.note-box {
    background: #f0e9db;
    border-radius: 12px;
    padding: 10px;
    text-align: center;
}

.note-box i {
    color: #D4AF37;
}

.flip-banner {
    text-align: center;
    margin-top: 20px;
}

.flip-badge {
    background: #0B3B2F;
    color: white;
    padding: 12px 35px;
    border-radius: 40px;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.flip-badge i {
    color: #D4AF37;
}

/* 场景卡片 */
.scenes-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
    justify-content: center;
}

.scene-card {
    flex: 1 1 200px;
    background: white;
    border-radius: 16px;
    padding: 18px;
    text-align: center;
    box-shadow: 0 8px 15px rgba(0,0,0,0.05);
}

.scene-icon {
    font-size: 2.2rem;
    display: block;
    margin-bottom: 10px;
}

.scene-card h5 {
    margin: 10px 0 5px;
}

.scene-card p {
    color: #5b6b6b;
    font-size: 0.9rem;
}

/* 底部套装总结 */
.bundle-summary {
    background: linear-gradient(145deg, #D4AF37, #b38f2e);
    border-radius: 60px;
    padding: 40px;
    margin-top: 60px;
    color: #0B3B2F;
    text-align: center;
}

.bundle-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.bundle-list {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 1.2rem;
}

.bundle-note {
    margin-top: 30px;
    font-size: 1.1rem;
    color: #0B3B2F;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
    
    .timezone-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .module-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 992px) {
    .size-card.popular {
        transform: scale(1);
    }
    
    .formations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .product-grid-section {
    background: #f4f2eb;
    padding: 60px 40px 30px 40px;  /* 上60，右40，下30，左40 */
}
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .module-header {
        flex-wrap: wrap;
    }
    
    .module-title {
        font-size: 1.8rem;
    }
    
    .dual-display {
        gap: 30px;
    }
    
    .summary-grid {
        gap: 20px;
    }
    
    .summary-item {
        flex: 1 1 100%;
    }
    
    .summary-divider {
        border-left: none;
        border-right: none;
        border-top: 1px dashed #D4AF37;
        border-bottom: 1px dashed #D4AF37;
        padding: 20px 0;
    }
    
    .size-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .size-card, .size-card.popular {
        max-width: 100%;
        width: 100%;
    }
    
    .timezone-grid {
        grid-template-columns: 1fr;
    }
    
    .row-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .row-image {
        flex: 0 0 auto;
        width: 100%;
    }
    
    .image-box {
        width: 100%;
        height: auto;
        aspect-ratio: 280/190;
    }
    
    .features-grid-2col {
        grid-template-columns: 1fr;
    }
    
    .formations-grid {
        grid-template-columns: 1fr;
    }
    
    .scenes-grid {
        flex-direction: column;
    }
    
    .scene-card {
        flex: 1 1 auto;
    }
    
    .bundle-summary {
        padding: 30px 20px;
    }
    
    .bundle-title {
        font-size: 1.8rem;
    }
    
    .bundle-list {
        flex-direction: column;
        gap: 10px;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .image-pair {
        flex-direction: column;
    }
    
    .image-card {
        flex: 1 1 auto;
    }
    
    .selling-points-grid {
        flex-direction: column;
    }
    
    .three-col {
        flex-direction: column;
    }
    
    .col-card {
        min-width: 100%;
    }
    
    .flip-badge {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}