:root {
    --custom-dog-houses-primary-dark: #1a1a1a;
    --custom-dog-houses-primary-gold: #c6a87c;
    --custom-dog-houses-secondary-gray: #f4f4f4;
    --custom-dog-houses-text-body: #4a4a4a;
    --custom-dog-houses-white: #ffffff;
    --custom-dog-houses-transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --custom-dog-houses-font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.custom-dog-houses h2 {
    font-size: 2.5rem;
    color: var(--custom-dog-houses-primary-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.custom-dog-houses h3 {
    color: var(--custom-dog-houses-primary-dark);
}

.custom-dog-houses p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.custom-dog-houses .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.custom-dog-houses .section-spacer {
    padding: 80px 0;
}

/* --- 动画工具类 --- */
.custom-dog-houses .reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.custom-dog-houses .reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- 模块 1: 尺寸选购 --- */
.custom-dog-houses .size-selector-section {
    background-color: var(--custom-dog-houses-white);
    text-align: center;
}

.custom-dog-houses .size-header-box {
    padding-bottom: 40px;
}

.custom-dog-houses .size-table-container {
    margin: 40px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.custom-dog-houses .size-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: var(--custom-dog-houses-white);
}

.custom-dog-houses .size-table th,
.custom-dog-houses .size-table td {
    padding: 20px;
    border: 1px solid #eee;
    text-align: center;
}

.custom-dog-houses .size-table th {
    background-color: var(--custom-dog-houses-primary-dark);
    color: var(--custom-dog-houses-primary-gold);
    text-transform: uppercase;
    font-size: 0.9rem;
}

.custom-dog-houses .reinforced-sub-section {
    background: var(--custom-dog-houses-secondary-gray);
    padding: 60px 40px;
    margin-top: 40px;
    border-left: 5px solid var(--custom-dog-houses-primary-gold);
    text-align: left;
}

/* --- 模块 2: 室内定制 --- */
.custom-dog-houses .indoor-intro {
    text-align: center;
    margin-bottom: 60px;
}

.custom-dog-houses .indoor-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.custom-dog-houses .indoor-feature-card {
    background: var(--custom-dog-houses-secondary-gray);
    padding: 40px;
    border-radius: 4px;
    text-align: center;
    transition: var(--custom-dog-houses-transition);
}

.custom-dog-houses .indoor-feature-card:hover {
    background: var(--custom-dog-houses-white);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

.custom-dog-houses .indoor-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.custom-dog-houses .indoor-hybrid-module {
    margin-top: 60px;
    background: var(--custom-dog-houses-primary-dark);
    color: var(--custom-dog-houses-white);
    padding: 60px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 40px;
}

.custom-dog-houses .hybrid-content {
    flex: 1;
}

.custom-dog-houses .hybrid-content h3 {
    color: var(--custom-dog-houses-primary-gold);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.custom-dog-houses .hybrid-tag {
    display: inline-block;
    background: rgba(198, 168, 124, 0.2);
    color: var(--custom-dog-houses-primary-gold);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.custom-dog-houses .feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}

.custom-dog-houses .tag {
    background: #464646;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--custom-dog-houses-white);
}

/* --- 模块 3: 全配套方案 --- */
.custom-dog-houses .full-package-section {
    background: var(--custom-dog-houses-primary-dark);
    color: var(--custom-dog-houses-white);
    padding: 100px 0;
}

.custom-dog-houses .package-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
}

.custom-dog-houses .package-header h2 {
    color: var(--custom-dog-houses-primary-gold);
}

.custom-dog-houses .bed-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.custom-dog-houses .bed-feature-item {
    display: flex;
    gap: 20px;
    background: rgba(255,255,255,0.05);
    padding: 30px;
    border-radius: 4px;
    border: 1px solid rgba(198, 168, 124, 0.2);
}

.custom-dog-houses .bed-feature-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.custom-dog-houses .bed-feature-text h4 {
    color: var(--custom-dog-houses-primary-gold);
    margin: 0 0 10px 0;
    font-size: 1.2rem;
}

.custom-dog-houses .bed-feature-text p {
    font-size: 0.95rem;
    margin: 0;
    color: #ccc;
}

.custom-dog-houses .solution-guide {
    background: var(--custom-dog-houses-white);
    color: var(--custom-dog-houses-primary-dark);
    padding: 50px;
    border-radius: 8px;
    margin-top: 40px;
}

.custom-dog-houses .solution-guide h3 {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--custom-dog-houses-primary-gold);
    display: table;
    margin: 0 auto 30px auto;
    padding-bottom: 10px;
}

.custom-dog-houses .guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.custom-dog-houses .guide-col h5 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--custom-dog-houses-primary-gold);
}

.custom-dog-houses .guide-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.custom-dog-houses .guide-col li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    font-size: 0.95rem;
}

/* --- 模块 4: 户外定制 --- */
.custom-dog-houses .outdoor-grid-v2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.custom-dog-houses .outdoor-card-v2 {
    background: var(--custom-dog-houses-secondary-gray);
    padding: 40px;
    border-radius: 4px;
    border-top: 4px solid var(--custom-dog-houses-primary-gold);
}

.custom-dog-houses .outdoor-showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.custom-dog-houses .showcase-item {
    aspect-ratio: 1/1;
    background-color: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #666;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}
.custom-dog-houses .showcase-item img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.custom-dog-houses .style-comparison-table {
    width: 100%;
    margin-top: 40px;
    border-collapse: collapse;
}

.custom-dog-houses .style-comparison-table th {
    text-align: left;
    padding: 15px;
    background: var(--custom-dog-houses-primary-dark);
    color: var(--custom-dog-houses-primary-gold);
}

.custom-dog-houses .style-comparison-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

/* --- 模块 5: DIY与图纸 --- */
.custom-dog-houses .blueprint-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #003366;
    color: var(--custom-dog-houses-white);
    padding: 40px;
    border-radius: 8px;
    background-image: radial-gradient(#ffffff 1px, transparent 1px);
    background-size: 20px 20px;
}

.custom-dog-houses .blueprint-text h2 {
    color: var(--custom-dog-houses-white);
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.custom-dog-houses .download-btn {
    background: var(--custom-dog-houses-primary-gold);
    color: var(--custom-dog-houses-primary-dark);
    padding: 15px 30px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--custom-dog-houses-transition);
}

/* --- 模块 6: 专业与工业 --- */
.custom-dog-houses .professional-section {
    background-color: #f9f9f9;
}

.custom-dog-houses .pro-title-center,
.custom-dog-houses .pro-desc-center,
.custom-dog-houses .pro-sub-heading {
    text-align: center;
}

.custom-dog-houses .pro-desc-center {
    max-width: 800px;
    margin: 0 auto 40px;
}

.custom-dog-houses .pro-sub-heading {
    color: var(--custom-dog-houses-primary-gold);
    font-size: 1.5rem;
    margin-bottom: 25px;
    text-transform: uppercase;
}

.custom-dog-houses .pro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
    margin-bottom: 60px;
}

.custom-dog-houses .pro-card {
    background: var(--custom-dog-houses-white);
    padding: 40px 30px;
    border-left: 4px solid var(--custom-dog-houses-primary-gold);
    transition: var(--custom-dog-houses-transition);
}

.custom-dog-houses .pro-card:hover {
    background: var(--custom-dog-houses-primary-dark);
    color: var(--custom-dog-houses-white);
}

.custom-dog-houses .pro-card h3 {
    font-size: 1.2rem;
    text-transform: uppercase;
    margin-top: 0;
}

.custom-dog-houses .pro-card:hover h3 {
    color: var(--custom-dog-houses-white);
}

.custom-dog-houses .industry-user-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 60px;
}

.custom-dog-houses .user-tag {
    background: var(--custom-dog-houses-primary-dark);
    color: var(--custom-dog-houses-primary-gold);
    padding: 15px;
    text-align: center;
    font-weight: bold;
    border-radius: 4px;
}

.custom-dog-houses .pro-comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 60px;
    background: var(--custom-dog-houses-white);
}

.custom-dog-houses .pro-comparison-table th,
.custom-dog-houses .pro-comparison-table td {
    padding: 20px;
    border: 1px solid #eee;
}

.custom-dog-houses .pro-comparison-table th {
    background: var(--custom-dog-houses-primary-dark);
    color: var(--custom-dog-houses-primary-gold);
}

.custom-dog-houses .highlight-card {
    background: var(--custom-dog-houses-primary-dark);
    color: var(--custom-dog-houses-white);
    padding: 50px;
    border-radius: 8px;
}

.custom-dog-houses .highlight-card h3 {
    color: var(--custom-dog-houses-primary-gold);
    margin-top: 0;
}

.custom-dog-houses .pain-point-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.custom-dog-houses .pain-point-item {
    background: var(--custom-dog-houses-white);
    color: var(--custom-dog-houses-primary-dark);
    padding: 25px;
    border-radius: 4px;
}

.custom-dog-houses .pain-point-item h4 {
    color: var(--custom-dog-houses-primary-gold);
    margin-top: 0;
}

/* --- 文章列表 --- */
.custom-dog-houses .article-list-b {
    background: var(--custom-dog-houses-white);
}

.custom-dog-houses .article-row-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.custom-dog-houses .article-row-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 20px;
    border: 1px solid #eee;
    transition: var(--custom-dog-houses-transition);
}

.custom-dog-houses .article-row-thumb {
    width: 150px;
    height: 100px;
    background: #ccc;
    flex-shrink: 0;
}

.custom-dog-houses .article-row-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.custom-dog-houses .article-row-item a {
    display: block;
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--custom-dog-houses-primary-dark);
    text-decoration: none;
    margin-bottom: 10px;
}

/* --- FAQ --- */
.custom-dog-houses .faq-section-b {
    background-color: var(--custom-dog-houses-secondary-gray);
}

.custom-dog-houses .faq-grid-b-title {
    text-align: center;
    margin-bottom: 40px;
}

.custom-dog-houses .faq-grid-b {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 900px;
    margin: 0 auto;
}

.custom-dog-houses .faq-box-b {
    background: var(--custom-dog-houses-white);
    border-radius: 8px;
    overflow: hidden;
}

.custom-dog-houses .faq-box-b h3 {
    font-size: 1.1rem;
    padding: 20px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0;
}

.custom-dog-houses .faq-box-b h3::after {
    content: '↓';
    color: var(--custom-dog-houses-primary-gold);
}

.custom-dog-houses .faq-box-b.active h3::after {
    content: '↑';
}

.custom-dog-houses .faq-answer-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.custom-dog-houses .faq-answer-content p {
    padding: 0 30px 20px 30px;
    margin: 0;
    white-space: pre-line;
}

/* --- 移动端排版优化 (Mobile Optimization) --- */
@media (max-width: 992px) {
    .custom-dog-houses h2 { font-size: 2rem; }
    .custom-dog-houses .section-spacer { padding: 50px 0; }

    .custom-dog-houses .indoor-feature-grid,
    .custom-dog-houses .bed-feature-grid,
    .custom-dog-houses .guide-grid,
    .custom-dog-houses .outdoor-grid-v2,
    .custom-dog-houses .outdoor-showcase-grid,
    .custom-dog-houses .pro-grid,
    .custom-dog-houses .industry-user-grid,
    .custom-dog-houses .pain-point-grid {
        grid-template-columns: 1fr;
    }

    .custom-dog-houses .indoor-hybrid-module {
        flex-direction: column;
        padding: 30px;
        text-align: center;
    }

    .custom-dog-houses .blueprint-container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .custom-dog-houses .article-row-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .custom-dog-houses .article-row-thumb {
        width: 100%;
        height: 200px;
    }

    .custom-dog-houses .solution-guide {
        padding: 30px 20px;
    }

    .custom-dog-houses .pro-comparison-table-container {
        overflow-x: auto;
    }

    .custom-dog-houses .pro-comparison-table {
        min-width: 700px;
    }
}