.article-detail-container {
            display: flex;
            margin: 0 auto;
            background-color: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        
        /* 侧边栏样式 */
        .article-detail-sidebar {
            width: 250px;
            padding: 0;
            background-color: #fff;
            border: 1px solid #e0e0e0;
            border-radius: 0;
            position: sticky;
            top: 0;
        }
        
        .article-detail-sidebar-nav {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .article-detail-sidebar-nav-item {
            margin-bottom: 0;
            cursor: pointer;
        }
        
        .article-detail-sidebar-nav-link {
            display: block;
            padding: 12px 16px;
            color: #333;
            text-decoration: none;
            border-radius: 0;
            transition: all 0.3s ease;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            background-color: #fff;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .article-detail-sidebar-nav-link:hover {
            background-color: #f5f5f5;
            color: #634003;
            text-decoration: none;
        }
        
        .article-detail-sidebar-nav-link.active {
            background-color: #f5f5f5;
            color: #634003;
            font-weight: 600;
        }
        
        /* 二级导航样式 */
        .article-detail-nav-sub {
            padding: 0;
            margin: 0;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .article-detail-nav-sub-link {
            display: block;
            padding: 10px 24px 10px 32px;
            color: #666;
            text-decoration: none;
            border-radius: 0;
            transition: all 0.3s ease;
            font-size: 13px;
            background-color: #f9f9f9;
            border-bottom: 1px solid #eaeaea;
        }
        
        .article-detail-nav-sub-link:hover {
            background-color: #f0f0f0;
            color: #634003;
            text-decoration: none;
        }
        
        .article-detail-nav-sub-link.active {
            color: #000;
            font-weight: 600;
            background-color: #f0f0f0;
        }
        
        /* 确保最后一个子链接没有下边框 */
        .article-detail-nav-sub-link:last-child {
            border-bottom: none;
        }
        
        /* 导航箭头样式 */
        .article-detail-nav-arrow {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: #666;
            transition: all 0.3s ease;
            font-size: 12px;
        }
        
        /* 激活状态的箭头样式 */
        .article-detail-sidebar-nav-link.active .article-detail-nav-arrow {
            color: #634003;
        }
        
        /* 调整容器布局 */
        .article-detail-container {
            display: flex;
            min-height: 100vh;
            margin-bottom: 20px;
        }
        
        /* 主内容区域样式 */
        .article-detail-content {
            flex: 1;
            padding: 20px;
            background-color: #f9f9f9;
        }
        
        /* 文章内容区域 */
        .article-detail-content {
            flex: 1;
            padding: 40px;
        }
        
        .article-detail-header {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .article-detail-title {
            font-size: 32px;
            font-weight: bold;
            color: #000000;
            margin: 0 0 15px 0;
            line-height: 1.2;
        }
        
        .article-detail-meta {
            display: flex;
            align-items: center;
            color: #999;
            font-size: 14px;
        }
        
        .article-detail-meta-item {
            margin-right: 20px;
        }
        
        .article-detail-meta-divider {
            margin-right: 20px;
        }
        
        /* 文章主体内容 */
        .article-detail-body {
            font-size: 16px;
            line-height: 1.8;
            color: #333;
        }
        
        .article-detail-section-title {
            font-size: 24px;
            font-weight: 500;
            color: #000000;
            margin: 0 0 20px 0;
        }

/* Privacy Policy 样式 */
.privacy-policy-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.8;
    color: #333;
}

.privacy-intro {
    background: #f8f9fa;
    padding: 25px 30px;
    border-left: 4px solid #634003;
    margin-bottom: 40px;
    border-radius: 0 8px 8px 0;
}

.privacy-intro p {
    margin-bottom: 15px;
    font-size: 15px;
    color: #555;
}

.privacy-intro p:last-child {
    margin-bottom: 0;
}

.privacy-section {
    margin-bottom: 50px;
}

.privacy-section h2 {
    font-size: 24px;
    font-weight: 600;
    color: #222;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e8e8e8;
}

.privacy-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: #444;
    margin: 25px 0 15px 0;
}

.privacy-section p {
    margin-bottom: 15px;
    text-align: left;
    font-size: 15px;
    color: #555;
}

.privacy-section ul {
    margin: 15px 0;
    padding-left: 25px;
}

.privacy-section li {
    margin-bottom: 10px;
    line-height: 1.7;
    color: #555;
}

.info-category,
.share-category {
    margin-bottom: 25px;
    padding: 20px;
    background: #fafafa;
    border-radius: 8px;
}

.info-category h3,
.share-category h3 {
    margin-top: 0;
    color: #634003;
    font-size: 16px;
    font-weight: 600;
}

.note {
    background: #fff3cd;
    padding: 12px 15px;
    border-radius: 6px;
    margin-top: 15px;
    font-size: 14px;
    color: #856404;
    border-left: 3px solid #ffc107;
}

  .our-story-content {
 max-width: 1100px; margin: 0 auto; padding: 0 20px; font-family: 'Montserrat', sans-serif;
 }
           

 /* Ring Size Guide Styles */

/* Main Container */
.ring-guide-container {
    max-width: 100%;
    margin: 0 auto;
    font-family: 'Montserrat', sans-serif;
    color: #1a1a1a;
    background-color: #ffffff;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

/* Hero Section */
.ring-guide-hero {
    padding: 70px 24px 60px;
    text-align: center;
}

.ring-guide-hero-title {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: -0.01em;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.ring-guide-hero-subtitle {
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: #7b5c40;
    text-transform: uppercase;
    margin-bottom: 30px;
    font-weight: 600;
}

.ring-guide-hero-text {
    font-size: 0.95rem;
    color: #4a4a4a;
    line-height: 1.9;
    max-width: 750px;
    margin: 0 auto;
}

/* Section Wrapper */
.ring-guide-section-wrapper {
    max-width: 1000px;
    margin: 0 auto 70px;
    padding: 60px 50px;
    background-color: #fcfaf7;
    display: flex;
    align-items: flex-start;
    gap: 60px;
    flex-wrap: wrap;
}

.ring-guide-section-col {
    flex: 1;
    min-width: 280px;
}

.ring-guide-section-col-bordered {
    flex: 1;
    min-width: 280px;
    border-left: 1px solid #e0e0e0;
    padding-left: 50px;
}

.ring-guide-section-title {
    font-size: 1.4rem;
    font-weight: 300;
    margin-bottom: 25px;
    color: #1a1a1a;
}

.ring-guide-text {
    font-size: 0.95rem;
    margin-bottom: 25px;
    color: #4a4a4a;
}

.ring-guide-text-small {
    font-size: 0.95rem;
    margin-bottom: 15px;
    color: #4a4a4a;
}

.ring-guide-text-italic {
    font-size: 0.95rem;
    color: #4a4a4a;
    font-style: italic;
}

/* Lists */
.ring-guide-list {
    list-style: none;
    padding: 0;
    font-size: 0.95rem;
    line-height: 2;
    color: #4a4a4a;
}

.ring-guide-list li {
    margin-bottom: 12px;
}

.ring-guide-list-bordered {
    list-style: none;
    padding: 0;
    line-height: 2;
}

.ring-guide-list-bordered li {
    margin-bottom: 22px;
}

/* Button */
.ring-guide-btn {
    display: inline-block;
    margin-top: 30px;
    padding: 15px 40px;
    background: #3d2b1f;
    color: #fff;
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    font-weight: 500;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.ring-guide-btn:hover {
    opacity: 0.9;
    color: #fff;
}

.ring-guide-btn-center {
    display: inline-block;
    padding: 16px 45px;
    background: #3d2b1f;
    color: #fff;
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    font-weight: 500;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.ring-guide-btn-center:hover {
    opacity: 0.9;
    color: #fff;
}

/* Chart Section */
.ring-guide-chart-section {
    max-width: 1000px;
    margin: 0 auto 70px;
    padding: 0 20px;
}

.ring-guide-chart-title {
    font-size: 1.6rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.ring-guide-chart-subtitle {
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 45px;
    color: #4a4a4a;
}

.ring-guide-chart-wrapper {
    overflow-x: auto;
    border: 1px solid #e8e2de;
    background-color: #ffffff;
}

.ring-guide-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: center;
}

.ring-guide-table thead tr {
    background-color: #f2ede8;
    border-bottom: 2px solid #b8925a;
}

.ring-guide-table th {
    padding: 18px 12px;
    font-weight: 600;
    color: #1a1a1a;
    letter-spacing: 0.5px;
}

.ring-guide-table td {
    padding: 14px;
}

.ring-guide-table tbody {
    color: #4a4a4a;
}

.ring-guide-table tbody tr {
    border-bottom: 1px solid #f0e8e0;
}

.ring-guide-table tbody tr:nth-child(even) {
    background-color: #faf8f6;
}

.ring-guide-table tbody tr:nth-child(odd) {
    background-color: #ffffff;
}

.ring-guide-chart-note {
    font-size: 0.8rem;
    color: #a1938a;
    text-align: center;
    margin-top: 25px;
}

/* CTA Section */
.ring-guide-cta-section {
    max-width: 1000px;
    margin: 0 auto 70px;
    padding: 0 20px;
}

.ring-guide-cta-title {
    font-size: 1.6rem;
    font-weight: 300;
    margin-bottom: 35px;
    text-align: center;
    color: #1a1a1a;
}

.ring-guide-cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.ring-guide-cta-card {
    padding: 40px;
    border: 1px solid #e8e2de;
    text-align: center;
    background-color: #fcfaf7;
}

.ring-guide-cta-text {
    font-size: 0.95rem;
    color: #4a4a4a;
    margin-bottom: 30px;
    line-height: 1.8;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .ring-guide-hero {
        padding: 40px 20px;
    }

    .ring-guide-hero-title {
        font-size: 1.5rem;
    }

    .ring-guide-hero-subtitle {
        font-size: 0.65rem;
        letter-spacing: 2px;
    }

    .ring-guide-hero-text {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .ring-guide-section-wrapper {
        padding: 30px 20px;
        margin-bottom: 40px;
        gap: 30px;
    }

    .ring-guide-section-col,
    .ring-guide-section-col-bordered {
        min-width: 100%;
        border-left: none;
        padding-left: 0;
    }

    .ring-guide-section-title {
        font-size: 1.2rem;
    }

    .ring-guide-text,
    .ring-guide-text-small,
    .ring-guide-text-italic {
        font-size: 0.9rem;
    }

    .ring-guide-btn,
    .ring-guide-btn-center {
        display: block;
        width: 100%;
        max-width: 280px;
        margin: 20px auto 0;
        padding: 12px 30px;
        font-size: 0.75rem;
    }

    .ring-guide-chart-section {
        padding: 0 15px;
        margin-bottom: 40px;
    }

    .ring-guide-chart-title {
        font-size: 1.3rem;
    }

    .ring-guide-chart-subtitle {
        font-size: 0.85rem;
    }

    .ring-guide-chart-wrapper {
        overflow-x: scroll;
        -webkit-overflow-scrolling: touch;
    }

    .ring-guide-table {
        font-size: 0.8rem;
        min-width: 600px;
    }

    .ring-guide-table th,
    .ring-guide-table td {
        padding: 10px 8px;
    }

    .ring-guide-cta-section {
        padding: 0 15px;
        margin-bottom: 40px;
    }

    .ring-guide-cta-title {
        font-size: 1.3rem;
    }

    .ring-guide-cta-card {
        padding: 25px 20px;
    }

    .ring-guide-cta-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .ring-guide-hero-title {
        font-size: 1.3rem;
    }

    .ring-guide-section-title {
        font-size: 1.1rem;
    }

    .ring-guide-list li,
    .ring-guide-list-bordered li {
        margin-bottom: 15px;
    }

    .ring-guide-btn,
    .ring-guide-btn-center {
        padding: 12px 25px;
        font-size: 0.7rem;
    }
}

/* Diamond 4Cs Guide Styles */

/* Main Container */
.diamond-4cs-container {
    font-family: 'Montserrat', sans-serif;
    color: #1a1a1a;
    max-width: 1100px;
    margin: 0 auto;
    line-height: 1.8;
    background-color: #ffffff;
    padding: 40px 20px;
}

/* Header Section */
.diamond-4cs-header {
    text-align: center;
    margin-bottom: 60px;
}

.diamond-4cs-header-label {
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #b8925a;
    font-weight: 600;
    display: block;
    margin-bottom: 15px;
}

.diamond-4cs-header-line {
    width: 50px;
    height: 1px;
    background: #b8925a;
    margin: 0 auto 20px;
}

.diamond-4cs-header-text {
    font-size: 0.95rem;
    color: #4a4a4a;
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.9;
    font-weight: 400;
}

/* Section Base */
.diamond-4cs-section {
    margin-bottom: 60px;
}

.diamond-4cs-section-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.diamond-4cs-section-row-reverse {
    display: flex;
    flex-wrap: wrap-reverse;
    align-items: center;
    gap: 40px;
}

.diamond-4cs-section-col-image {
    flex: 1.2;
    min-width: 320px;
}

.diamond-4cs-section-col-content {
    flex: 1;
    min-width: 300px;
}

/* Image Wrapper */
.diamond-4cs-image-wrapper {
    width: 100%;
    height: 360px;
    background-color: #f7f7f7;
    border: 1px solid #e8e2de;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.diamond-4cs-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.diamond-4cs-image-wrapper-cover img {
    object-fit: cover;
}

/* Section Number */
.diamond-4cs-number {
    font-size: 1.4rem;
    color: #b8925a;
    font-weight: 300;
    display: block;
    margin-bottom: 5px;
}

.diamond-4cs-number-small {
    font-size: 1.2rem;
    color: #b8925a;
    font-weight: 300;
}

/* Section Title */
.diamond-4cs-title {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #1a1a1a;
}

.diamond-4cs-title-small {
    font-size: 1.1rem;
    font-weight: 400;
    margin: 15px 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #1a1a1a;
}

/* Text Styles */
.diamond-4cs-text {
    font-size: 0.9rem;
    color: #4a4a4a;
    margin-bottom: 20px;
}

.diamond-4cs-text-small {
    font-size: 0.9rem;
    color: #4a4a4a;
    margin-bottom: 15px;
}

.diamond-4cs-label {
    font-size: 0.7rem;
    letter-spacing: 1px;
    color: #a1938a;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: 600;
}

/* Pro Tip Box */
.diamond-4cs-protip {
    padding: 20px;
    border-left: 2px solid #b8925a;
    background-color: #fcfbf9;
    font-size: 0.85rem;
    line-height: 1.7;
}

.diamond-4cs-protip strong {
    color: #b8925a;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Gold Standard Box */
.diamond-4cs-gold-box {
    font-size: 0.85rem;
    border: 1px solid #b8925a;
    padding: 15px 22px;
    display: inline-block;
    letter-spacing: 0.5px;
}

.diamond-4cs-gold-box span {
    color: #b8925a;
}

/* Cards Grid */
.diamond-4cs-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.diamond-4cs-card {
    background-color: #fcfbf9;
    padding: 35px;
    border-top: 1px solid #e8e2de;
}

.diamond-4cs-card-image {
    width: 100%;
    height: 150px;
    background-color: #fff;
    margin-bottom: 20px;
    border: 1px solid #eee;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.diamond-4cs-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 5px;
}

.diamond-4cs-card-list {
    font-size: 0.85rem;
    padding-left: 18px;
    color: #4a4a4a;
    line-height: 1.9;
}

.diamond-4cs-card-note {
    font-size: 0.85rem;
    border-top: 1px solid #e8e2de;
    padding-top: 18px;
    font-style: italic;
    color: #4a4a4a;
}

/* GIA Section */
.diamond-4cs-gia-section {
    text-align: center;
    padding: 60px 30px;
    background-color: #3d2b1f;
    color: #ffffff;
    margin-bottom: 60px;
}

.diamond-4cs-gia-title {
    font-size: 1.4rem;
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.diamond-4cs-gia-content {
    max-width: 750px;
    margin: 0 auto;
}

.diamond-4cs-gia-text {
    font-size: 0.95rem;
    opacity: 0.85;
    margin-bottom: 30px;
    line-height: 1.9;
    font-weight: 300;
}

.diamond-4cs-gia-note {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
    letter-spacing: 1px;
}

/* CTA Section */
.diamond-4cs-cta {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #e8e2de;
}

.diamond-4cs-cta-title {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 30px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #1a1a1a;
}

.diamond-4cs-cta-btn {
    display: inline-block;
    padding: 18px 55px;
    background-color: #3d2b1f;
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 3px;
    font-weight: 500;
    transition: 0.3s;
    border: none;
    cursor: pointer;
}

.diamond-4cs-cta-btn:hover {
    opacity: 0.9;
    color: #fff;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .diamond-4cs-container {
        padding: 20px 15px;
    }

    .diamond-4cs-header {
        margin-bottom: 40px;
    }

    .diamond-4cs-header-label {
        font-size: 0.65rem;
        letter-spacing: 2px;
    }

    .diamond-4cs-header-text {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .diamond-4cs-section {
        margin-bottom: 40px;
    }

    .diamond-4cs-section-row,
    .diamond-4cs-section-row-reverse {
        gap: 25px;
    }

    .diamond-4cs-section-col-image,
    .diamond-4cs-section-col-content {
        flex: 1 1 100%;
        min-width: auto;
    }

    .diamond-4cs-image-wrapper {
        height: 250px;
    }

    .diamond-4cs-number {
        font-size: 1.2rem;
    }

    .diamond-4cs-title {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }

    .diamond-4cs-text,
    .diamond-4cs-text-small {
        font-size: 0.85rem;
    }

    .diamond-4cs-protip {
        padding: 15px;
        font-size: 0.8rem;
    }

    .diamond-4cs-gold-box {
        padding: 12px 18px;
        font-size: 0.8rem;
    }

    .diamond-4cs-cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }

    .diamond-4cs-card {
        padding: 25px 20px;
    }

    .diamond-4cs-card-image {
        height: auto;
    }

    .diamond-4cs-gia-section {
        padding: 40px 20px;
        margin-bottom: 40px;
    }

    .diamond-4cs-gia-title {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .diamond-4cs-gia-text {
        font-size: 0.85rem;
    }

    .diamond-4cs-cta {
        padding-top: 30px;
    }

    .diamond-4cs-cta-title {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .diamond-4cs-cta-btn {
        display: block;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        padding: 15px 30px;
        font-size: 0.75rem;
        letter-spacing: 2px;
    }
}

@media (max-width: 480px) {
    .diamond-4cs-header-label {
        font-size: 0.6rem;
    }

    .diamond-4cs-title {
        font-size: 1rem;
    }

    .diamond-4cs-title-small {
        font-size: 1rem;
    }

    .diamond-4cs-image-wrapper {
        height: 200px;
    }

    .diamond-4cs-card-image {
        height: auto;
    }

    .diamond-4cs-gia-title {
        font-size: 1rem;
    }

    .diamond-4cs-cta-btn {
        padding: 12px 25px;
        font-size: 0.7rem;
    }
}


/* Metal Guide Styles */

/* Main Container */
.metal-guide-container {
    max-width: 1000px;
    margin: 0 auto;
    font-family: 'Montserrat', sans-serif;
    color: #1a1a1a;
    line-height: 1.8;
    background-color: #ffffff;
    padding-bottom: 60px;
}

/* Header Section */
.metal-guide-header {
    max-width: 750px;
    margin: 0 auto 40px;
    text-align: center;
    padding: 30px 20px 0;
}

.metal-guide-header-line {
    width: 50px;
    height: 1px;
    background: #b8925a;
    margin: 0 auto 20px;
}

.metal-guide-header-text {
    font-size: 0.95rem;
    color: #4a4a4a;
    font-style: italic;
    line-height: 1.9;
}

/* Metal Section */
.metal-guide-section {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 45px;
    align-items: flex-start;
    padding: 0 20px;
}

.metal-guide-section-col-image {
    flex: 1;
    min-width: 280px;
    padding-right: 30px;
}

.metal-guide-section-col-content {
    flex: 2;
    min-width: 300px;
}

/* Image Wrapper */
.metal-guide-image {
    width: 100%;
    height: 200px;
    /* background-color: #faf8f6; */
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    margin-bottom: 15px;
}

.metal-guide-image-double {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.metal-guide-image-half {
    flex: 1;
    height: 180px;
    /* background-color: #faf8f6; */
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

/* Metal Title */
.metal-guide-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    color: #1a1a1a;
    margin: 5px 0 0 0;
    font-weight: 400;
    letter-spacing: 1px;
    line-height: 1.3;
}

.metal-guide-subtitle {
    color: #b8925a;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 3px;
    margin: 5px 0 0 0;
}

/* Text Styles */
.metal-guide-text {
    font-size: 0.9rem;
    margin-bottom: 20px;
    color: #4a4a4a;
    line-height: 1.8;
}

/* Info Box */
.metal-guide-info-box {
    background-color: #f9f8f6;
    padding: 30px;
    border-left: 2px solid #b8925a;
}

.metal-guide-info-title {
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    color: #1a1a1a;
    letter-spacing: 1.5px;
}

.metal-guide-list {
    margin: 0;
    padding-left: 20px;
    font-size: 0.85rem;
    color: #4a4a4a;
    line-height: 2;
}

.metal-guide-list li {
    margin-bottom: 10px;
}

/* Divider */
.metal-guide-divider {
    max-width: 150px;
    margin: 15px auto 25px;
    text-align: center;
    color: #e8e2de;
    font-size: 12px;
}

/* Feature Boxes */
.metal-guide-feature-box {
    max-width: 800px;
    margin: 30px auto 35px;
    padding: 30px 30px;
    background: #f9f8f6;
    border-bottom: 2px solid #b8925a;
}

.metal-guide-feature-box-bordered {
    max-width: 800px;
    margin: 25px auto 35px;
    padding: 30px 35px;
    background: #ffffff;
    border: 1px solid #e8e2de;
}

.metal-guide-feature-box-left {
    max-width: 800px;
    margin: 25px auto 35px;
    padding: 30px 35px;
    background: #f9f8f6;
    border-left: 3px solid #b8925a;
}

.metal-guide-feature-box-right {
    max-width: 800px;
    margin: 25px auto 35px;
    padding: 30px 35px;
    background: #f9f8f6;
    border-right: 3px solid #b8925a;
    text-align: right;
}

.metal-guide-feature-box-bottom {
    max-width: 800px;
    margin: 25px auto 35px;
    padding: 30px 35px;
    background: #ffffff;
    border: 1px solid #e8e2de;
    border-bottom: 2px solid #b8925a;
}

.metal-guide-feature-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #b8925a;
    margin-bottom: 20px;
}

.metal-guide-feature-title-center {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #b8925a;
    text-align: center;
    margin-bottom: 20px;
}

.metal-guide-feature-text {
    font-size: 0.9rem;
    color: #4a4a4a;
    line-height: 1.8;
    margin-bottom: 15px;
}

.metal-guide-feature-text:last-child {
    margin-bottom: 0;
}

/* Comparison Grid */
.metal-guide-comparison {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.metal-guide-comparison-item {
    flex: 1;
    min-width: 180px;
    text-align: center;
}

.metal-guide-comparison-title {
    font-size: 0.85rem;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.metal-guide-comparison-desc {
    font-size: 0.8rem;
    color: #4a4a4a;
}

/* CTA Section */
.metal-guide-cta {
    text-align: center;
    background-color: #3d2b1f;
    padding: 50px 30px;
    color: #ffffff;
    margin: 30px 20px 40px;
}

.metal-guide-cta-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 300;
    letter-spacing: 1.5px;
}

.metal-guide-cta-text {
    font-size: 0.9rem;
    color: #d1c7c0;
    margin-bottom: 25px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.metal-guide-cta-btn {
    display: inline-block;
    padding: 16px 45px;
    border: 1px solid #ffffff;
    color: #ffffff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 3px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.metal-guide-cta-btn:hover {
    background-color: #ffffff;
    color: #3d2b1f;
}

/* Footer */
.metal-guide-footer {
    text-align: center;
    margin-top: 30px;
    border-top: 1px solid #eee;
    padding-top: 30px;
}

.metal-guide-footer-quote {
    font-family: 'Montserrat', sans-serif;
    font-style: italic;
    font-size: 1rem;
    color: #b8925a;
}

.metal-guide-footer-brand {
    font-size: 0.7rem;
    color: #a1938a;
    margin-top: 15px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .metal-guide-container {
        padding-bottom: 40px;
    }

    .metal-guide-header {
        margin-bottom: 30px;
        padding: 20px 15px 0;
    }

    .metal-guide-header-text {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .metal-guide-section {
        margin-bottom: 35px;
        padding: 0 15px;
    }

    .metal-guide-section-col-image,
    .metal-guide-section-col-content {
        flex: 1 1 100%;
        min-width: auto;
        padding-right: 0;
    }

    .metal-guide-section-col-image {
        margin-bottom: 20px;
    }

    .metal-guide-image {
        height: 220px;
    }

    .metal-guide-image-double {
        flex-direction: column;
        gap: 10px;
    }

    .metal-guide-image-half {
        height: 150px;
    }

    .metal-guide-title {
        font-size: 1.2rem;
    }

    .metal-guide-subtitle {
        font-size: 0.65rem;
        letter-spacing: 2px;
    }

    .metal-guide-text {
        font-size: 0.85rem;
    }

    .metal-guide-info-box {
        padding: 20px;
    }

    .metal-guide-list {
        font-size: 0.8rem;
    }

    .metal-guide-feature-box,
    .metal-guide-feature-box-bordered,
    .metal-guide-feature-box-left,
    .metal-guide-feature-box-right,
    .metal-guide-feature-box-bottom {
        margin: 20px 15px;
        padding: 25px 20px;
    }

    .metal-guide-feature-box-right {
        text-align: left;
    }

    .metal-guide-feature-title,
    .metal-guide-feature-title-center {
        font-size: 0.75rem;
        letter-spacing: 1.5px;
    }

    .metal-guide-feature-text {
        font-size: 0.85rem;
    }

    .metal-guide-comparison {
        flex-direction: column;
        gap: 20px;
    }

    .metal-guide-comparison-item {
        min-width: auto;
    }

    .metal-guide-cta {
        padding: 40px 20px;
        margin: 20px 15px 30px;
    }

    .metal-guide-cta-title {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }

    .metal-guide-cta-text {
        font-size: 0.85rem;
    }

    .metal-guide-cta-btn {
        display: block;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
        padding: 14px 30px;
        font-size: 0.65rem;
        letter-spacing: 2px;
    }

    .metal-guide-footer {
        margin-top: 20px;
        padding-top: 25px;
    }

    .metal-guide-footer-quote {
        font-size: 0.9rem;
    }

    .metal-guide-footer-brand {
        font-size: 0.65rem;
    }
}

@media (max-width: 480px) {
    .metal-guide-header-text {
        font-size: 0.85rem;
    }

    .metal-guide-image {
        height: 180px;
    }

    .metal-guide-image-half {
        height: 120px;
    }

    .metal-guide-title {
        font-size: 1.1rem;
    }

    .metal-guide-cta-title {
        font-size: 1rem;
    }

    .metal-guide-cta-btn {
        padding: 12px 25px;
        font-size: 0.6rem;
    }
}



/* 响应式 */
@media (max-width: 768px) {
    .privacy-policy-wrapper {
        padding: 15px;
    }
    
    .privacy-section h2 {
        font-size: 20px;
    }
    
    .privacy-section h3 {
        font-size: 16px;
    }
    
    .info-category,
    .share-category {
        padding: 15px;
    }
}

        
        /* 响应式设计 */
        /* 手机模式下的侧边栏样式 */
        @media (max-width: 768px) {
            .article-detail-container {
                flex-direction: column;
            }
            
            .article-detail-sidebar {
                width: 250px;
                height: 100vh;
                position: fixed;
                top: 0;
                left: -250px;
                z-index: 1001;
                border-right: 1px solid #e0e0e0;
                border-bottom: none;
                transition: transform 0.3s ease;
                box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
            }
            
            /* 侧边栏展开状态 */
            .article-detail-sidebar.open {
                transform: translateX(250px);
            }
            
            .article-detail-content {
                padding: 30px 20px;
                transition: margin-left 0.3s ease;
            }
            
            .article-detail-title {
                font-size: 28px;
            }
            
            .article-detail-section-title {
                font-size: 22px;
            }
        }
        
        @media (max-width: 768px) {
            .article-detail-content {
                padding: 20px 15px;
                max-width: 100%;
                overflow-x: hidden;
                box-sizing: border-box;
                /* padding-right: 65px; */
            }
            .our-story-content {
                padding: 0 !important;
            }

            /* Prevent content overflow */
            .article-detail-body {
                max-width: 100%;
                overflow-x: hidden;
                word-wrap: break-word;
                word-break: break-word;
            }

            .article-detail-body * {
                max-width: 100% !important;
                box-sizing: border-box !important;
            }

            .article-detail-body img {
                max-width: 100% !important;
                height: auto !important;
            }

            .article-detail-body table {
                display: block;
                width: 100% !important;
                overflow-x: auto;
            }

            .article-detail-body td,
            .article-detail-body th {
                word-break: break-word;
            }
            .article-detail-title {
                font-size: 24px;
            }

            .article-detail-section-title {
                font-size: 20px;
            }

            .article-detail-contact-methods {
                flex-direction: column;
                gap: 20px;
            }

            .article-detail-related-grid {
                grid-template-columns: 1fr;
            }

            .article-detail-actions {
                flex-direction: column;
            }
        }
        
        /* 侧边栏展开按钮样式 */
        .article-detail-sidebar-toggle {
            position: fixed;
            top: 10px;
            left: 10px;
            width: 40px;
            height: 40px;
            background-color: #fff;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            display: none;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 1000;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        
        @media (max-width: 992px) {
            .article-detail-sidebar-toggle {
                display: flex;
            }
        }
        
        .article-detail-sidebar-toggle-icon {
            width: 20px;
            height: 2px;
            background-color: #333;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .article-detail-sidebar-toggle-icon:before,
        .article-detail-sidebar-toggle-icon:after {
            content: '';
            position: absolute;
            width: 20px;
            height: 2px;
            background-color: #333;
            transition: all 0.3s ease;
        }
        
                  @media (max-width: 768px) {
                .mobile-service-item {
                    min-width: 100% !important;
                    padding: 30px 20px !important;
                    border-right: none !important;
                    border-left: none !important;
                    border-bottom: 1px solid #e8e2de !important;
                }
                .mobile-service-item:first-child {
                    border-top: none !important;
                }
                .mobile-tracking-content,
                .mobile-tracking-image {
                    min-width: 100% !important;
                    flex: 1 !important;
                }
                .mobile-tracking-image {
                    margin-top: 30px;
                    height: 350px !important;
                }
                .mobile-delivery-box {
                    min-width: 100% !important;
                    margin-bottom: 20px !important;
                    padding: 40px 25px !important;
                }
                .mobile-container {
                    padding: 0 15px !important;
                }
                .mobile-footer-btn {
                    margin: 0 10px !important;
                    padding: 15px 30px !important;
                }
                .mobile-footer-text {
                    padding: 0 10px !important;
                }
                .mobile-container-border {
                    border:none !important;
                }

                /* Article content grid layout - mobile single column */
                .article-detail-body .row,
                .article-detail-body [class*="col-"],
                .article-detail-body [style*="display: flex"],
                .article-detail-body [style*="display:flex"] {
                    display: block !important;
                    width: 100% !important;
                    flex: none !important;
                    max-width: 100% !important;
                    margin-left: 0 !important;
                    margin-right: 0 !important;
                }

                .article-detail-body [style*="grid"] {
                    display: block !important;
                }

                .article-detail-body > div > div {
                    width: 100% !important;
                    max-width: 100% !important;
                    flex: none !important;
                    margin-bottom: 20px !important;
                }
            }

        .article-detail-sidebar-toggle-icon:before {
            top: -6px;
        }
        
        .article-detail-sidebar-toggle-icon:after {
            bottom: -6px;
        }
        
        .article-detail-sidebar-toggle.open .article-detail-sidebar-toggle-icon {
            background-color: transparent;
        }
        
        .article-detail-sidebar-toggle.open .article-detail-sidebar-toggle-icon:before {
            top: 0;
            transform: rotate(45deg);
        }
        
        .article-detail-sidebar-toggle.open .article-detail-sidebar-toggle-icon:after {
            bottom: 0;
            transform: rotate(-45deg);
        }
        
        /* 遮罩层样式 */
        .article-detail-sidebar-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            display: none;
            transition: opacity 0.3s ease;
        }
        
        /* 文章列表样式 */
        .article-detail-items {
            display: grid;
            gap: 15px;
            margin-top: 15px;
        }
        
        .article-detail-item {
            background-color: #fff;
            border: 1px solid #e0e0e0;
            padding: 15px 20px;
            transition: all 0.3s ease;
        }
        
        .article-detail-item:hover {
            transform: translateY(-2px);
            border-color: #634003;
        }
        
        .article-detail-item-title {
            font-size: 22px;
            font-weight: 500;
            color: #634003;
            margin: 0 0 10px 0;
            line-height: 1.3;
        }
        
        .article-detail-item-title:hover {
            color: #634003;
        }
        
        .article-detail-item-excerpt {
            font-size: 15px;
            color: #666;
            margin: 0 0 12px 0;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .article-detail-item-read-more {
            display: inline-flex;
            align-items: center;
            color: #634003;
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s ease;
            padding: 6px 12px;
            border-radius: 4px;
            background-color: #f0f7ff;
        }
        
        .article-detail-item-read-more:hover {
            background-color: #634033;
            color: #fff;
            transform: translateX(4px);
        }
        
        .article-detail-item-read-more:after {
            content: "→";
            margin-left: 6px;
            transition: all 0.3s ease;
        }
        
        .article-detail-item-read-more:hover:after {
            margin-left: 10px;
        }
        
        /* 分页样式 */
        .article-detail-page {
            margin-top: 40px;
            text-align: center;
        }
        
        /* 响应式列表布局 */
        @media (max-width: 992px) {
            .article-detail-items {
                gap: 20px;
            }
            
            .article-detail-item {
                padding: 20px;
            }
            
            .article-detail-item-title {
                font-size: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .article-detail-items {
                gap: 15px;
            }
            
            .article-detail-item {
                padding: 15px;
            }
            
            .article-detail-item-title {
                font-size: 18px;
            }
            
            .article-detail-item-excerpt {
                font-size: 14px;
                -webkit-line-clamp: 2;
            }
        }