.product-detail {
    padding: 30px 0 60px 0;
    background-color: #fff;
}

.product-detail-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.breadcrumb {
    padding: 15px 0;
    font-size: 14px;
    color: #999;
}

.breadcrumb a {
    color: var(--theme-color);
}

.breadcrumb span {
    color: #333;
}

.product-detail-content {
    display: flex;
    gap: 40px;
    padding: 20px 0;
}

.product-detail-left {
    flex: 0 0 45%;
}

.product-detail-img {
    width: 100%;
    height: auto;
    border: 1px solid #eee;
}

.product-detail-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.product-detail-thumb {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border: 1px solid #ddd;
    cursor: pointer;
    transition: border-color 0.3s;
}

.product-detail-thumb:hover {
    border-color: var(--theme-color);
}

.product-detail-right {
    flex: 1;
}

.product-detail-title {
    font-size: 28px;
    font-weight: normal;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.product-detail-info {
    margin-bottom: 25px;
}

.info-item {
    font-size: 15px;
    color: #555;
    line-height: 2;
}

.info-label {
    color: #999;
}

.product-detail-desc {
    margin-bottom: 30px;
}

.product-detail-desc h3 {
    font-size: 18px;
    font-weight: normal;
    color: #333;
    margin-bottom: 12px;
}

.product-detail-desc p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
}

.contact-btn {
    display: inline-block;
    padding: 10px 30px;
    background-color: var(--theme-color);
    color: #fff;
    font-size: 14px;
    border-radius: 4px;
    transition: opacity 0.3s;
}

.contact-btn:hover {
    opacity: 0.85;
}

/* Page title section */
.page-title-section {
    padding: 40px 0 20px 0;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.page-title {
    font-size: 30px;
    color: rgb(43, 43, 43);
    font-weight: normal;
}

/* Products page */
.products-page-section {
    padding: 20px 0 60px 0;
    background-color: #fff;
}

.products-page-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-page-item {
    text-align: center;
    text-decoration: none;
    color: inherit;
    border: 1px solid #eee;
    padding: 15px;
    transition: box-shadow 0.3s;
    display: block;
}

.product-page-item:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.product-page-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
}

.product-page-item .product-name {
    margin-top: 10px;
    font-size: 15px;
    color: #333;
}

/* About page */
.about-page-section {
    padding: 20px 0 40px 0;
    background-color: #fff;
}

.about-page-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: 18px;
    line-height: 36px;
    color: #333;
    font-family: "FangSong", "仿宋", "SimSun", serif;
}

.about-page-text p {
    margin-bottom: 10px;
}

/* Stats section */
.stats-section {
    padding: 40px 0;
    background-color: #fff;
}

.stats-grid {
    display: flex;

    justify-content: space-around;
    text-align: center;
}

.stat-item {
    flex: 1;
}

.stat-number {
    font-size: 30px;
    color: rgb(43, 43, 43);
    line-height: 27px;
}

.stat-label {
    font-size: 14px;
    color: rgb(153, 153, 153);
    line-height: 27px;
}

/* Brand section */
.brand-section {
    padding: 20px 0;
    background-color: #fff;
}

.brand-title {
    font-size: 24px;
    color: rgb(43, 43, 43);
    font-weight: normal;
}

.brand-images {
    padding: 0 0 60px 0;
    background-color: #fff;
}

.brand-images-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.brand-img-item img {
    width: 100%;
    height: auto;
    display: block;
}

@media screen and (max-width: 768px) {
    .products-page-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { flex-direction: column; gap: 20px; }
    .brand-images-grid { grid-template-columns: repeat(2, 1fr); }
    .about-page-text { font-size: 15px; line-height: 28px; }
}

/* News page */
.news-page-section {
    padding: 20px 0 60px 0;
    background-color: #fff;
}

.news-page-list {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 15px;
}

.news-page-item {
    border-bottom: 1px solid #eee;
    padding: 25px 0;
}

.news-page-title {
    font-size: 18px;
    font-weight: normal;
    color: #333;
    margin-bottom: 8px;
}

.news-page-date {
    font-size: 13px;
    color: #999;
    display: block;
    margin-bottom: 12px;
}

.news-page-summary {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

/* Contact page */
.contact-page-section {
    padding: 20px 0 60px 0;
    background-color: #fff;
}

.contact-page-image {
    max-width: 1200px;
    margin: 0 auto 30px auto;
    padding: 0 15px;
}

.contact-page-image img {
    width: 100%;
    height: auto;
    display: block;
}

.contact-page-text {
    max-width: 1200px;
    margin: 0 auto 30px auto;
    padding: 0 15px;
    font-size: 14px;
    line-height: 30px;
    color: rgb(135, 134, 134);
}

.contact-page-info {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-info-block {
    flex: 1;
    min-width: 300px;
}

.contact-info-block h3 {
    font-size: 20px;
    font-weight: normal;
    color: #333;
    margin-bottom: 15px;
}

.contact-info-block .info-item {
    font-size: 15px;
    color: #555;
    line-height: 2.2;
}

.contact-info-block .info-label {
    color: #999;
}

.map-block {
    flex: 1;
    min-width: 300px;
}

.map-block h3 {
    font-size: 20px;
    font-weight: normal;
    color: #333;
    margin-bottom: 15px;
}

.map-placeholder {
    width: 100%;
    height: 300px;
    background-color: #e8e8e8;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #666;
}

.map-placeholder .map-company {
    font-size: 18px;
    margin-bottom: 8px;
}

.map-placeholder .map-address {
    font-size: 14px;
    color: #999;
}

/* Invest page */
.invest-page-section {
    padding: 20px 0 40px 0;
    background-color: #fff;
}

.invest-page-text {
    max-width: 1200px;
    margin: 0 auto 30px auto;
    padding: 0 15px;
    font-size: 14px;
    line-height: 30px;
    color: rgb(136, 136, 136);
}

.advantage-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px 40px 15px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.advantage-item {
    text-align: center;
    padding: 20px 10px;
}

.advantage-item img {
    width: 66px;
    height: auto;
    margin: 0 auto 15px auto;
}

.advantage-item-title {
    font-size: 16px;
    color: #555;
    margin-bottom: 10px;
}

.advantage-item-desc {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
}

.invest-images-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px 40px 15px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.invest-img-item img {
    width: 100%;
    height: auto;
    display: block;
}

.join-section {
    padding: 20px 0 60px 0;
    background-color: #fff;
}

.join-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 15px;
}

.join-text {
    font-size: 14px;
    line-height: 35px;
    color: rgb(153, 153, 153);
    margin-bottom: 20px;
}

.join-hotline {
    font-size: 18px;
    color: rgb(153, 153, 153);
    line-height: 35px;
}

.join-hotline .hotline-number {
    font-size: 24px;
}

.join-form {
    max-width: 600px;
    margin-top: 20px;
}

.join-form .form-row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.join-form .form-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #ddd;
    background-color: #fff;
    color: #333;
    font-size: 14px;
    font-family: inherit;
}

.join-form .form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    background-color: #fff;
    color: #333;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 80px;
    margin-bottom: 12px;
}

@media screen and (max-width: 768px) {
    .product-detail-content {
        flex-direction: column;
        gap: 20px;
    }

    .product-detail-left {
        flex: 1;
    }

    .product-detail-title {
        font-size: 22px;
    }

    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .invest-images-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-page-info { flex-direction: column; }
}