/* ========== CSS Variables ========== */
:root {
    --color-primary: #c4956a;
    --color-primary-dark: #a07850;
    --color-text: #333;
    --color-text-light: #666;
    --color-text-muted: #999;
    --color-bg: #fff;
    --color-bg-light: #f8f6f3;
    --color-border: #e8e4df;
    --font-body: "Noto Sans SC", "Microsoft YaHei", sans-serif;
    --font-heading: "Noto Sans SC", "Microsoft YaHei", serif;
    --section-padding: 80px 0;
    --container-max: 1200px;
}

.pagination {
    --bs-pagination-active-bg: #c4956a !important;
    --bs-pagination-active-border-color: #c4956a;
    --bs-link-color: #999;
    --bs-pagination-hover-color: #c4956a
}

.page-wrap {
    background: url('../imgs/page_bg.jpg') repeat-y;
    background-size: cover;
}
/* ========== Reset & Base ========== */
body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.8;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s;
}

    a:hover {
        color: var(--color-primary-dark);
    }

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    text-align: center;
    margin-bottom: 8px;
    color: var(--color-text);
    font-weight: 600;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 48px;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 20px;
    border: 1px solid var(--color-border);
    /*  background: #fff;*/
    color: var(--color-text);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
}

    .btn-more:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
    }

    .btn-more::after {
        content: "\25B6";
        font-size: 0.7rem;
    }

/* ========== Scroll Reveal ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

/* ========== Header ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 0;
}

    .site-header .navbar {
        padding: 12px 0;
        max-width: var(--container-max);
        margin: 0 auto;
        width: 100%;
    }

    .site-header .navbar-brand img {
        height: 40px;
    }

    .site-header .navbar-nav {
        flex: 1;
        justify-content: center;
    }

    .site-header .nav-link {
        color: var(--color-text);
        font-size: 0.9rem;
        padding: 8px 16px;
        position: relative;
    }

        .site-header .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-primary);
            transform: scaleX(0);
            transition: transform 0.3s;
        }

        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            transform: scaleX(1);
        }

        .site-header .nav-link.active {
            color: var(--color-primary);
        }

.header-icons {
    display: flex;
    align-items: center;
    gap: 16px;
}

    .header-icons img {
        height: 20px;
        cursor: pointer;
        opacity: 0.6;
        transition: opacity 0.3s;
    }

        .header-icons img:hover {
            opacity: 1;
        }

    .header-icons .icon-lang {
        font-size: 0.85rem;
        color: var(--color-text-muted);
        border: 1px solid var(--color-border);
        padding: 2px 8px;
        border-radius: 2px;
    }

/* ========== Dropdown Menu ========== */
.site-header .nav-item.dropdown {
    position: relative;
}

.site-header .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 8px 0;
    margin: 0;
    list-style: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    display: block;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s ease;
    z-index: 1001;
}

.site-header .nav-item.dropdown:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.site-header .dropdown-menu li a {
    display: block;
    padding: 8px 20px;
    color: var(--color-text);
    font-size: 0.85rem;
    white-space: nowrap;
    transition: all 0.2s;
}

    .site-header .dropdown-menu li a:hover {
        color: var(--color-primary);
        background: var(--color-bg-light);
    }

/* ========== Hero Section ========== */
.hero-section {
    position: relative;
    overflow: hidden;
}

    .hero-section .swiper {
        width: 100%;
    }

    .hero-section .swiper-slide {
        width: 100%;
        flex-shrink: 0;
        position: relative;
    }

    .hero-section img {
        width: 100%;
        display: block;
    }

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    pointer-events: none;
}

.hero-section .swiper-pagination {
    pointer-events: auto;
}

.hero-overlay h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 8px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    margin: 0;
}

.hero-overlay h2 {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 6px;
    margin-top: 16px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-section .swiper-pagination,
.hero-section .hero-pagination {
    position: absolute;
    bottom: 32px;
    left: 50%;
    /*  transform: translateX(-50%);*/
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    width: auto;
}

    .hero-section .swiper-pagination .swiper-pagination-bullet,
    .hero-section .hero-pagination .swiper-pagination-bullet {
        background: rgba(255, 255, 255, 0.5) !important;
        width: 10px !important;
        height: 10px !important;
        border-radius: 50% !important;
        opacity: 1 !important;
        margin: 0 !important;
        transition: all 0.3s ease;
        cursor: pointer;
    }

    .hero-section .swiper-pagination .swiper-pagination-bullet-active,
    .hero-section .hero-pagination .swiper-pagination-bullet-active {
        background: #fff !important;
        width: 28px !important;
        border-radius: 5px !important;
    }

/* ========== About Section ========== */
.about-section {
    padding: var(--section-padding);
    text-align: center;
}

    .about-section .about-text {
        margin: 0 auto 24px;
        color: var(--color-text-light);
        font-size: 0.95rem;
        line-height: 2;
    }

.about-icons {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-top: 60px;
}

.about-icon-item {
    text-align: center;
}

    .about-icon-item img {
        width: 64px;
        height: 64px;
        margin-bottom: 16px;
        opacity: 0.7;
    }

    .about-icon-item h4 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 8px;
    }

    .about-icon-item p {
        font-size: 0.8rem;
        color: var(--color-text-muted);
        margin: 0;
    }

/* ========== Product Section (Homepage) ========== */
.product-section {
    padding: var(--section-padding);
}

.product-carousel .swiper {
    width: 100%;
    overflow: hidden;
}

.product-carousel .swiper-slide {
    width: 100%;
    flex-shrink: 0;
}

    .product-carousel .swiper-slide img {
        width: 100%;
        display: block;
        border-radius: 4px;
    }

.product-carousel .swiper-button-prev,
.product-carousel .swiper-button-next {
    width: 44px;
    height: 44px;
    background: rgba(196, 149, 106, 0.9);
    border-radius: 50%;
    color: #fff;
    transition: all 0.3s ease;
}

    .product-carousel .swiper-button-prev:hover,
    .product-carousel .swiper-button-next:hover {
        background: var(--color-primary);
        transform: scale(1.1);
    }

    .product-carousel .swiper-button-prev::after,
    .product-carousel .swiper-button-next::after {
        font-size: 1rem;
        font-weight: 700;
    }

.product-swatches {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 24px;
}

.product-swatch-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.product-swatch-color {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-border);
}

.product-swatch-label {
    font-weight: 600;
}

    .product-swatch-label span {
        display: block;
        font-weight: 400;
        font-size: 0.85rem;
        color: var(--color-text-muted);
    }

/* ========== Feature Section (Homepage) ========== */
.feature-section {
    padding: var(--section-padding);
}

    .feature-section .feature-inner {
        display: flex;
        align-items: center;
        gap: 60px;
    }

    .feature-section .feature-text {
        flex: 1;
    }

        .feature-section .feature-text h3 {
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

    .feature-section .feature-carousel {
        flex: 1;
        position: relative;
    }

.feature-carousel .swiper {
    width: 100%;
    overflow: hidden;
    border-radius: 4px;
    aspect-ratio: 4 / 3;
    max-height: 420px;
}

.feature-carousel .swiper-slide {
    width: 100%;
    height: 100%;
    flex-shrink: 0;
}

    .feature-carousel .swiper-slide img {
        width: 100%;
        height: 100%;
        display: block;
        object-fit: cover;
    }

.feature-carousel .swiper-button-prev,
.feature-carousel .swiper-button-next {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    border-radius: 2px;
    color: #fff;
}

    .feature-carousel .swiper-button-prev::after,
    .feature-carousel .swiper-button-next::after {
        font-size: 0.8rem;
    }

/* ========== Page Banner ========== */
.page-banner {
    position: relative;
    overflow: hidden;
}

    .page-banner img {
        width: 100%;
        display: block;
    }

.page-banner-overlay {
    padding: 60px 0;
}

    .page-banner-overlay .section-title {
        color: #fff;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    .page-banner-overlay .section-subtitle {
        color: rgba(255, 255, 255, 0.8);
    }

.page-banner-simple {
    padding: 40px 0 20px;
    text-align: center;
}

/* ========== About Detail Section ========== */
.about-detail-section {
    padding: var(--section-padding);
}

.about-detail-inner {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
}

.about-detail-image {
    flex: 1;
    position: relative;
}

    .about-detail-image::before {
        content: "";
        position: absolute;
        top: -10px;
        left: -10px;
        right: 20px;
        bottom: 20px;
        background: var(--color-primary);
        opacity: 0.1;
        transform: skewX(-5deg);
        z-index: 0;
    }

    .about-detail-image img {
        position: relative;
        z-index: 1;
        width: 100%;
        border-radius: 4px;
    }

.about-detail-text {
    flex: 1.2;
}

    .about-detail-text p {
        color: var(--color-text-light);
        font-size: 0.9rem;
        line-height: 2;
        margin-bottom: 16px;
        text-align: justify;
    }

/* ========== Culture Section ========== */
.culture-section {
    position: relative;
    padding: 100px 0;
    background-image: url("../imgs/pages/aboutus_honner_bg.jpg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

    .culture-section::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(196, 149, 106, 0.85), rgba(0, 0, 0, 0.5));
    }

.culture-content {
    position: relative;
    z-index: 1;
    color: #fff;
}

    .culture-content h3 {
        font-size: 1.3rem;
        margin-bottom: 8px;
        font-weight: 600;
    }

    .culture-content p {
        font-size: 0.9rem;
        opacity: 0.9;
        margin-bottom: 24px;
    }

.culture-card {
    /*  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;*/
    padding: 32px;
    margin-bottom: 24px;
}

/* ========== Feature Detail Section ========== */
.feature-detail-section {
    padding: var(--section-padding);
}

.feature-detail-inner {
    display: flex;
    align-items: center;
    gap: 60px;
}

.feature-detail-text {
    flex: 1;
}

    .feature-detail-text p {
        color: var(--color-text-light);
        font-size: 0.9rem;
        line-height: 2;
        margin-bottom: 16px;
        text-align: justify;
    }

.feature-detail-carousel {
    flex: 1;
    position: relative;
    min-width: 0;
    overflow: hidden;
}

    .feature-detail-carousel .swiper {
        width: 100%;
        overflow: hidden;
        border-radius: 4px;
    }

    .feature-detail-carousel .swiper-wrapper {
        width: 100%;
    }

    .feature-detail-carousel .swiper-slide {
        width: 100%;
        flex-shrink: 0;
    }

        .feature-detail-carousel .swiper-slide img {
            width: 100%;
            height: auto;
            max-height: 420px;
            object-fit: cover;
            display: block;
        }

.feature-master-swiper {
    width: 100%;
    overflow: hidden;
    position: relative;
}

    .feature-master-swiper > .swiper-wrapper > .swiper-slide {
        width: 100%;
        flex-shrink: 0;
    }

    .feature-master-swiper .master-prev,
    .feature-master-swiper .master-next {
        width: 44px;
        height: 44px;
        background: rgba(196, 149, 106, 0.9);
        border-radius: 50%;
        color: #fff;
    }

        .feature-master-swiper .master-prev::after,
        .feature-master-swiper .master-next::after {
            font-size: 1rem;
        }

.feature-detail-carousel .sub-prev,
.feature-detail-carousel .sub-next {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    border-radius: 2px;
    color: #fff;
}

    .feature-detail-carousel .sub-prev::after,
    .feature-detail-carousel .sub-next::after {
        font-size: 0.8rem;
    }

/* ========== Products Page ========== */
.products-page {
    background-color: var(--color-bg-light);
}

    .products-page .page-bg {
        background-image: url("../imgs/page_bg.jpg");
        background-repeat: repeat;
        overflow: hidden;
    }

.product-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
    padding: 40px 0 60px;
}

.category-item {
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s;
}

    .category-item:hover {
        transform: translateY(-4px);
    }

    .category-item.active .category-circle {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px rgba(196, 149, 106, 0.2);
    }

.category-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 12px;
    border: 2px solid var(--color-border);
    transition: border-color 0.3s;
}

    .category-circle img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.category-item span {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.product-series {
    margin-bottom: 60px;
}

.product-series-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

    .product-series-header h3 {
        font-size: 1.3rem;
        font-weight: 500;
        color: var(--color-primary-dark);
        margin: 0;
    }

.color-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.color-swatch {
    display: block;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
}

    .color-swatch:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        color: inherit;
    }

    .color-swatch .swatch-image {
        width: 100%;
        /*aspect-ratio: 3 / 4;*/
        object-fit: cover;
        display: block;
    }
        .color-swatch .swatch-image img{
            max-width:100%;
        }
        .color-swatch .swatch-label {
            padding: 12px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--color-text-light);
            background: #fff;
        }

/* ========== Contact Bar ========== */
.contact-bar {
    padding: 48px 0;
    text-align: center;
    background: var(--color-bg-light);
}

    .contact-bar p {
        margin: 0;
        font-size: 0.95rem;
        color: var(--color-text-light);
    }

    .contact-bar .brand-name {
        font-size: 1.5rem;
        color: var(--color-primary);
        margin: 16px 0;
        font-weight: 300;
        letter-spacing: 8px;
    }

    .contact-bar .hotline {
        color: var(--color-primary);
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .contact-bar .divider {
        width: 60px;
        height: 1px;
        background: var(--color-border);
        margin: 16px auto;
    }

.contact-bar-alt .brand-name {
    font-size: 2rem;
    letter-spacing: 12px;
}

/* ========== Footer ========== */
.site-footer {
    padding: 60px 0 0;
    background: #fff;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-col {
    min-width: 100px;
}

    .footer-col h5 {
        font-size: 0.9rem;
        font-weight: 600;
        margin-bottom: 16px;
        color: var(--color-text);
    }

    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

        .footer-col ul li {
            margin-bottom: 8px;
        }

            .footer-col ul li a {
                color: var(--color-text-muted);
                font-size: 0.8rem;
            }

                .footer-col ul li a:hover {
                    color: var(--color-primary);
                }

.footer-brand {
    text-align: right;
    min-width: 160px;
}

    .footer-brand img {
        height: 48px;
        margin-bottom: 8px;
    }

    .footer-brand .hotline {
        color: var(--color-primary);
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .footer-brand .hotline-label {
        font-size: 0.8rem;
        color: var(--color-text-muted);
    }

.footer-bottom {
    margin-top: 40px;
    padding: 20px 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
}

    .footer-bottom a {
        color: var(--color-text-muted);
    }

/* ========== Footer Detailed (Products Page) ========== */
.site-footer-detailed .footer-inner {
    flex-wrap: wrap;
}

.site-footer-detailed .footer-col-address {
    max-width: 300px;
    flex: 1;
}

    .site-footer-detailed .footer-col-address p {
        font-size: 0.8rem;
        color: var(--color-text-muted);
        line-height: 1.8;
        margin: 0;
    }

/* ========== Contact Info Section ========== */
.contact-info-section {
    padding: var(--section-padding);
}

    .contact-info-section .contact-map {
        margin-bottom: 40px;
    }

        .contact-info-section .contact-map img {
            width: 100%;
            border-radius: 4px;
        }

.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.contact-info-card {
    text-align: center;
}

    .contact-info-card img {
        width: 48px;
        height: 48px;
        margin-bottom: 16px;
        opacity: 0.7;
    }

    .contact-info-card h4 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 8px;
    }

    .contact-info-card p {
        font-size: 0.85rem;
        color: var(--color-text-light);
        line-height: 1.8;
        margin: 0;
    }

    .contact-info-card a {
        color: var(--color-text-light);
    }

/* ========== Message Form ========== */
.message-form-section {
    padding: 0 0 60px;
}

    .message-form-section h3 {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }

    .message-form-section .form-subtitle {
        color: var(--color-text-muted);
        font-size: 0.85rem;
        margin-bottom: 32px;
    }

.message-form {
    max-width: 700px;
    margin: 0 auto;
}

    .message-form .form-row {
        display: flex;
        gap: 24px;
        margin-bottom: 24px;
    }

    .message-form .form-group {
        flex: 1;
    }

        .message-form .form-group label {
            display: block;
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
        }

    .message-form .form-control {
        width: 100%;
        padding: 12px 16px;
        border: 1px solid var(--color-border);
        border-radius: 4px;
        font-size: 0.9rem;
        font-family: var(--font-body);
        transition: border-color 0.3s;
    }

        .message-form .form-control:focus {
            outline: none;
            border-color: var(--color-primary);
        }

    .message-form textarea.form-control {
        min-height: 120px;
        resize: vertical;
    }

    .message-form .form-group.full-width {
        margin-bottom: 32px;
    }

    .message-form .btn-submit {
        display: block;
        margin: 0 auto;
        padding: 10px 40px;
        background: var(--color-primary);
        color: #fff;
        border: none;
        border-radius: 4px;
        font-size: 0.95rem;
        cursor: pointer;
        transition: background 0.3s;
    }

        .message-form .btn-submit:hover {
            background: var(--color-primary-dark);
        }

/* ========== QR Codes ========== */
.qr-codes {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

.qr-item {
    text-align: center;
}

    .qr-item img {
        width: 120px;
        height: 120px;
        border: 1px solid var(--color-border);
        border-radius: 4px;
        padding: 8px;
        background: #fff;
    }

    .qr-item p {
        margin-top: 8px;
        font-size: 0.8rem;
        color: var(--color-text-muted);
    }

/* ========== Breadcrumb ========== */
.breadcrumb-bar {
    background: var(--color-bg-light);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

    .breadcrumb-bar .breadcrumb {
        margin: 0;
        padding: 0;
        background: none;
        font-size: 0.85rem;
    }

        .breadcrumb-bar .breadcrumb a {
            color: var(--color-text-muted);
        }

            .breadcrumb-bar .breadcrumb a:hover {
                color: var(--color-primary);
            }

    .breadcrumb-bar .breadcrumb-item.active {
        color: var(--color-primary);
    }

    .breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
        color: var(--color-text-muted);
    }

/* ========== Product Detail Section ========== */
.product-detail-section {
    padding: var(--section-padding);
    background: #fff;
}

.product-detail-inner {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.product-detail-image {
    flex: 1;
    max-width: 520px;
}

.product-gallery {
    width: 100%;
}

.gallery-main {
    width: 100%;
    overflow: hidden;
    border-radius: 4px;
    background: var(--color-bg-light);
    aspect-ratio: 400 / 600;
}

    .gallery-main .swiper-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

.gallery-thumbs-wrap {
    margin-top: 12px;
    display:none;
}

.gallery-thumbs {
    overflow: hidden;
}

    .gallery-thumbs .swiper-slide {
        width: 80px;
        height: 60px;
        border-radius: 4px;
        overflow: hidden;
        cursor: pointer;
        border: 2px solid transparent;
        opacity: 0.7;
        transition: all 0.3s;
    }

        .gallery-thumbs .swiper-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

    .gallery-thumbs .swiper-slide-thumb-active {
        border-color: var(--color-primary);
        opacity: 1;
    }

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

.product-detail-series {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 2px 10px;
    border-radius: 2px;
    margin-bottom: 12px;
}

.product-detail-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text);
}

.product-detail-desc {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 32px;
}

.product-detail-more {
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
    margin-top: 32px;
    margin-bottom: 32px;
}

    .product-detail-more h4 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 16px;
        color: var(--color-text);
    }

    .product-detail-more ul {
        list-style: disc;
        padding-left: 20px;
        margin: 0;
    }

    .product-detail-more li {
        font-size: 0.85rem;
        line-height: 1.8;
        color: var(--color-text-muted);
        margin-bottom: 6px;
    }

        .product-detail-more li:last-child {
            margin-bottom: 0;
        }

.product-detail-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-contact {
    display: inline-flex;
    align-items: center;
    padding: 12px 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background 0.3s;
}

    .btn-contact:hover {
        background: var(--color-primary-dark);
        color: #fff;
    }

.btn-back {
    display: inline-flex;
    align-items: center;
    padding: 12px 32px;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: 4px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

    .btn-back:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
    }

/* ========== Product Colors Section ========== */
.product-colors-section {
    padding: 0 0 60px;
    background: #fff;
}

.product-colors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-color-card {
    display: block;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s;
    border: 2px solid transparent;
}

    .product-color-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    }

    .product-color-card.active {
        border-color: var(--color-primary);
    }

.color-card-preview {
    width: 100%;
    aspect-ratio: 3 / 2;
    display: block;
}

.color-card-info {
    padding: 12px 16px;
}

    .color-card-info h5 {
        font-size: 0.9rem;
        font-weight: 500;
        margin-bottom: 4px;
        color: var(--color-text);
    }

    .color-card-info p {
        font-size: 0.8rem;
        color: var(--color-text-muted);
        margin: 0;
    }

/* ========== Related Products Section ========== */
.related-products-section {
    padding: 0 0 80px;
    background: var(--color-bg-light);
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.related-product-card {
    display: block;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s;
}

    .related-product-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    }

.related-product-img {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
}

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

.related-product-card h5 {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 16px;
    margin: 0;
    color: var(--color-text);
}

/* ========== Responsive ========== */
@media (max-width: 991px) {
    .site-header .navbar-nav {
        justify-content: flex-start;
    }

    .hero-overlay h1 {
        font-size: 2rem;
        letter-spacing: 4px;
    }

    .hero-overlay h2 {
        font-size: 1rem;
        letter-spacing: 3px;
    }

    .about-icons {
        gap: 40px;
    }

    .about-detail-inner,
    .feature-detail-inner {
        flex-direction: column;
    }

    .feature-section .feature-inner {
        flex-direction: column;
    }

    .footer-inner {
        flex-wrap: wrap;
    }

    .footer-brand {
        text-align: left;
        margin-top: 32px;
    }

    .color-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-info-cards {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .message-form .form-row {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 575px) {
    .section-title {
        font-size: 1.5rem;
    }

    .about-icons {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }

    .product-categories {
        gap: 16px;
    }

    .category-circle {
        width: 48px;
        height: 48px;
    }

    .color-grid {
        grid-template-columns: 1fr;
    }

    .footer-col {
        min-width: 80px;
    }

    .qr-codes {
        gap: 32px;
    }
}

.amap-icon img {
    object-fit: contain;
}

.hover-box {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer
}

    .hover-box:hover {
        transform: translateY(-5px);
    }

.hover-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .hover-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    }