* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "微软雅黑",sans-serif;
}
body {
    background: #000;
    color: #fff;
    scroll-behavior: smooth; /* 锚点跳转平滑滚动 */
}
a {text-decoration: none; color: inherit;}
img {width: 100%;display: block;}
.container-full {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
    max-width: 1400px;
}
.title {
    text-align: center;
    font-size: 36px;
    padding: 60px 0 40px;
    color: #fff;
}

/* 导航栏样式 */
.header {
    width: 100%;
    height: 80px;
    background: #111;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 50px;
    border-bottom: 1px solid #333;
}
.logo-wrap {
    display: flex;
    flex-direction: column;
}
.logo {
    font-size: 26px;
    font-weight: bold;
    color: #fff;
}
.logo-tel {
    font-size: 14px;
    color: #ccc;
    margin-top: 4px;
}
.nav {
    display: flex;
    gap: 45px;
    align-items: center;
}
.nav a {
    color: #ddd;
    font-size: 16px;
    transition: 0.3s;
}
.nav a:hover,.nav a.active {
    color: #c8a765;
}
/* 中英切换按钮 */
.lang-switch {
    color: #fff;
    cursor: pointer;
    font-size: 16px;
    padding: 5px 10px;
    border: 1px solid #666;
    border-radius: 4px;
}
.lang-switch .active {
    color: #c8a765;
    font-weight: bold;
}
.menu-btn {
    display: none;
    font-size: 30px;
    color: #fff;
    cursor: pointer;
}

/* 轮播图样式（文字靠下） */
.banner {
    width: 100%;
    height: 100vh;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}
.banner-wrap {
    width: 100%;
    height: 100%;
}
.banner-item {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
}
.banner-item.active {
    opacity: 1;
}
.banner-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner-text {
    position: absolute;
    left: 50%;
    bottom: 15%;
    transform: translateX(-50%);
    text-align: center;
    color: #fff;
    background: rgba(0,0,0,0.4);
    padding: 30px 50px;
    border-radius: 8px;
}
.banner-text h2 {
    font-size: 38px;
    margin-bottom: 15px;
}
.banner-text p {
    font-size: 18px;
}
.banner-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
}
.banner-dots span {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
}
.banner-dots span.on {
    background: #fff;
}

/* 首页类目按钮 */
.cate-entry {
    width: 100%;
    padding: 60px 0;
    background: #111;
}
.cate-entry .container-full {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.cate-box {
    width: 180px;
    height: 80px;
    line-height: 80px;
    text-align: center;
    border: 1px solid #666;
    color: #fff;
    font-size: 18px;
    border-radius: 6px;
    transition: 0.3s;
}
.cate-box:hover {
    background: #c8a765;
    border-color: #c8a765;
}

/* 首页热门款式 */
.home-pro {
    width: 100%;
    background: #000;
    padding-bottom: 60px;
}
.home-pro-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}
.home-pro-card {
    background: #111;
    padding: 20px;
    border: 1px solid #333;
    border-radius: 6px;
}
.pro-img-wrap {
    width: 100%;
    padding-top: 100%;
    position: relative;
    overflow: hidden;
}
.pro-img-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.home-pro-card h3 {
    text-align: center;
    padding-top: 15px;
    color: #ccc;
}

/* 关于我们样式 */
.about {
    width: 100%;
    background: #111;
    padding-bottom: 60px;
}
.about-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.about-banner {
    width: 100%;
    height: 300px;
    position: relative;
    overflow: hidden;
}
.about-item {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    opacity: 0;
    transition: 0.8s;
}
.about-item.active {
    opacity: 1;
}
.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #fff;
}
.about-text p {
    line-height: 2;
    color: #bbb;
    font-size: 16px;
}

/* 联系我们样式 */
.contact {
    width: 100%;
    background: #000;
    padding-bottom: 60px;
}
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}
.contact-info p {
    font-size: 18px;
    line-height: 2.5;
    color: #ccc;
}
.contact-qr h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #fff;
}
.contact-qr img {
    width: 200px;
    margin: 0 auto;
    border: 2px solid #333;
}

/* 产品页一级导航 */
.product-nav-一级 {
    width: 100%;
    background: #111;
    padding: 20px 0;
    margin-top: 80px;
    border-bottom: 1px solid #333;
}
.product-nav-wrap {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}
.product-nav-btn {
    padding: 10px 20px;
    background: #222;
    border-radius: 6px;
    color: #fff;
    font-size: 16px;
    transition: 0.3s;
}
.product-nav-btn:hover, .product-nav-btn.active {
    background: #c8a765;
    color: #000;
}
.back-btn {
    background: #c8a765;
    color: #000 !important;
}
.back-btn:hover {
    background: #d8b775 !important;
}

/* 产品类目样式 */
.product-category {
    padding: 60px 0;
    border-bottom: 1px solid #333;
}
.category-title {
    font-size: 32px;
    text-align: center;
    margin-bottom: 40px;
    color: #c8a765;
}

/* 产品二级导航 */
.product-subnav-wrap {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.product-subnav-btn {
    padding: 8px 15px;
    background: #222;
    border-radius: 4px;
    color: #fff;
    font-size: 14px;
    transition: 0.3s;
}
.product-subnav-btn:hover {
    background: #c8a765;
    color: #000;
}

/* 产品子类目 */
.product-subcategory {
    margin-bottom: 60px;
}
.subcategory-title {
    font-size: 24px;
    text-align: center;
    margin-bottom: 30px;
    color: #fff;
}

/* 产品图片网格 */
.product-img-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 30px;
}
.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}
.product-img-item {
    background: #111;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid #333;
}
.img-wrap {
    width: 100%;
    padding-top: 100%;
    position: relative;
    overflow: hidden;
    margin-bottom: 10px;
}
.img-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.3s;
}
.img-wrap img:hover {
    transform: scale(1.05);
}
.img-name {
    text-align: center;
    color: #ccc;
    font-size: 14px;
}

/* 返回按钮组 */
.back-btn-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

/* 页脚样式 */
.footer {
    width: 100%;
    background: #111;
    text-align: center;
    padding: 20px 0;
    color: #888;
    font-size: 14px;
    border-top: 1px solid #333;
}

/* 手机端适配 */
@media (max-width:768px){
    .header {padding:0 20px;height:70px;}
    .logo {font-size:20px;}
    .nav {
        position: absolute;
        top:70px;
        left:0;
        width:100%;
        background:#111;
        flex-direction: column;
        gap:15px;
        padding:20px 0;
        display: none;
    }
    .lang-switch {margin-top: 10px;}
    .menu-btn {display: block;}
    
    .banner {height: 60vh;margin-top:70px;}
    .banner-text {padding:20px 30px;}
    .banner-text h2 {font-size:24px;}
    .banner-text p {font-size:14px;}
    
    .cate-entry .container-full {gap:20px;}
    .cate-box {width: 140px;height: 70px;line-height:70px;font-size:16px;}
    
    .home-pro-list {grid-template-columns: repeat(2, 1fr);}
    
    .about-wrap,.contact-wrap {grid-template-columns: 1fr;}
    
    /* 产品页手机适配 */
    .product-nav-wrap {gap:15px;}
    .product-nav-btn {padding:8px 15px;font-size:14px;}
    .product-img-grid.grid-4 {grid-template-columns: repeat(2, 1fr);}
    .product-subnav-wrap {gap:10px;}
    .product-subnav-btn {padding:6px 10px;font-size:12px;}
}

@media (max-width:480px){
    .product-img-grid.grid-4 {grid-template-columns: 1fr;}
    .home-pro-list {grid-template-columns: 1fr;}
    .cate-box {width: 100%;max-width: 200px;}
}
/* ========== 新增：图片点击放大模态框样式 ========== */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
    cursor: pointer;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    animation: zoom 0.3s;
}

@keyframes zoom {
    from {transform: scale(0)} 
    to {transform: scale(1)}
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

#caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: 50px;
    font-size: 18px;
}
/* ============================================
   高 级 升 级 样 式 (Premium Upgrades)
   不破坏任何原有结构，叠加增强
   ============================================ */

/* ---------- 1. 字体增强 ---------- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    letter-spacing: 0.5px;
}

/* ---------- 2. 全局过渡 (精确作用范围，避免影响大量图片) ---------- */
a, button, .cate-box, .home-pro-card, .product-img-item,
.product-nav-btn, .product-subnav-btn, .lang-switch,
.logo, .nav a, .contact-box, .contact-qrcode, .close {
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* ---------- 3. 毛玻璃导航栏 ---------- */
.header {
    background: rgba(17, 17, 17, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(200, 167, 101, 0.15);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header.header-scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    border-bottom-color: rgba(200, 167, 101, 0.3);
}

.logo {
    background: linear-gradient(135deg, #fff 0%, #c8a765 50%, #fff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    position: relative;
}

.logo::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #c8a765, transparent);
    border-radius: 1px;
}

.logo-tel {
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.6);
}

.nav a {
    position: relative;
    padding: 4px 0;
}

.nav a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #c8a765);
    transition: width 0.3s ease, left 0.3s ease;
    border-radius: 1px;
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
    left: 0;
}

.nav a:hover {
    color: #d4b87a !important;
}

.lang-switch {
    border-color: rgba(200, 167, 101, 0.3);
    transition: all 0.3s ease;
}

.lang-switch:hover {
    border-color: #c8a765;
    box-shadow: 0 0 15px rgba(200, 167, 101, 0.2);
}

/* ---------- 4. 标题渐变金色 ---------- */
.title {
    background: linear-gradient(135deg, #fff 0%, #c8a765 40%, #e8d5a3 60%, #c8a765 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: 4px;
    position: relative;
    padding-bottom: 20px;
}

.title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #c8a765, transparent);
    border-radius: 2px;
}

.category-title {
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.category-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #c8a765, transparent);
    border-radius: 2px;
}

/* ---------- 5. 轮播图增强 ---------- */
.banner-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 30%, rgba(0,0,0,0) 50%);
    z-index: 1;
    pointer-events: none;
}

.banner-text {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(200, 167, 101, 0.2);
    padding: 35px 60px;
    z-index: 2;
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-item.active .banner-text {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.banner-item.active .banner-text h2 {
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

.banner-item.active .banner-text p {
    transition: opacity 0.6s ease 0.4s, transform 0.6s ease 0.4s;
}

.banner-text h2 {
    font-weight: 700;
    letter-spacing: 3px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.banner-item.active .banner-text h2 {
    opacity: 1;
    transform: translateY(0);
}

.banner-text p {
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.85);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.banner-item.active .banner-text p {
    opacity: 1;
    transform: translateY(0);
}

.banner-dots span {
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    transition: all 0.4s ease;
}

.banner-dots span.on {
    background: #c8a765;
    border-color: #c8a765;
    box-shadow: 0 0 12px rgba(200, 167, 101, 0.5);
    transform: scale(1.2);
}

.banner-dots span:hover {
    border-color: #c8a765;
}

/* ---------- 6. 卡片悬停效果 ---------- */
.cate-box {
    position: relative;
    overflow: hidden;
    border-color: rgba(200, 167, 101, 0.2);
}

.cate-box::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(200, 167, 101, 0.15), transparent);
    transition: left 0.5s ease;
}

.cate-box:hover::before {
    left: 100%;
}

.cate-box:hover {
    background: linear-gradient(135deg, #c8a765, #d4b87a);
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(200, 167, 101, 0.3);
}

.home-pro-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.home-pro-card:hover {
    transform: translateY(-8px);
    border-color: rgba(200, 167, 101, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(200, 167, 101, 0.1);
}

.pro-img-wrap img {
    transition: transform 1.0s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.home-pro-card:hover .pro-img-wrap img {
    transform: scale(1.08);
}

.home-pro-card h3 {
    transition: color 0.3s ease;
}

.home-pro-card:hover h3 {
    color: #c8a765;
}

/* ---------- 7. 产品页面卡片增强 ---------- */
.product-img-item {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.product-img-item:hover {
    transform: translateY(-6px);
    border-color: rgba(200, 167, 101, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(200, 167, 101, 0.08);
}

.img-wrap img {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.product-img-item:hover .img-wrap img {
    transform: scale(1.05);
}

.img-name {
    transition: color 0.3s ease;
}

.product-img-item:hover .img-name {
    color: #c8a765;
}

/* ---------- 8. 按钮增强 ---------- */
.product-nav-btn {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(200, 167, 101, 0.1);
}

.product-nav-btn::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(200, 167, 101, 0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}

.product-nav-btn:hover::before {
    width: 300px;
    height: 300px;
}

.product-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 167, 101, 0.3);
}

.product-nav-btn.active {
    box-shadow: 0 4px 15px rgba(200, 167, 101, 0.3);
}

.product-subnav-btn {
    border: 1px solid rgba(200, 167, 101, 0.1);
    transition: all 0.3s ease;
}

.product-subnav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(200, 167, 101, 0.2);
}

/* ---------- 9. 关于我们页面增强 ---------- */
.about-text h3 {
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.about-text h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #c8a765, transparent);
    border-radius: 2px;
}

.about-text p {
    line-height: 2.2;
}

/* ---------- 10. 联系我们页面增强 ---------- */
.contact-box {
    transition: all 0.4s ease;
}

.contact-box:hover {
    border-color: rgba(200, 167, 101, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.contact-qrcode {
    transition: all 0.4s ease;
}

.contact-qrcode:hover {
    transform: scale(1.05);
    border-color: #c8a765 !important;
    box-shadow: 0 0 25px rgba(200, 167, 101, 0.2);
}

/* ---------- 11. 图片放大模态框增强 ---------- */
.modal-content {
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.close {
    transition: all 0.3s ease;
}

.close:hover {
    color: #c8a765;
    transform: rotate(90deg);
}

/* ---------- 12. 滚动入场动画 (配合JS) ---------- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-left.revealed { opacity: 1; transform: translateX(0); }
.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-right.revealed { opacity: 1; transform: translateX(0); }
.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-scale.revealed { opacity: 1; transform: scale(1); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ---------- 13. 页脚增强 ---------- */
.footer {
    border-top: 1px solid rgba(200, 167, 101, 0.1);
    letter-spacing: 1px;
}
.footer p { color: rgba(255, 255, 255, 0.4); }

/* ---------- 14. 背景暗纹 ---------- */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(ellipse at 20% 50%, rgba(200, 167, 101, 0.03) 0%, transparent 50%), radial-gradient(ellipse at 80% 20%, rgba(200, 167, 101, 0.02) 0%, transparent 50%), radial-gradient(ellipse at 50% 80%, rgba(200, 167, 101, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ---------- 15. 分割线增强 ---------- */
.product-category::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(200, 167, 101, 0.2), transparent);
}

/* ---------- 16. 手机端适配 ---------- */
@media (max-width:768px){
    .banner-text { padding: 20px 25px; backdrop-filter: blur(6px); }
    .banner-text h2 { font-size: 20px; letter-spacing: 2px; }
    .banner-text p { font-size: 13px; letter-spacing: 1px; }
    .header { backdrop-filter: blur(10px); }
    .product-img-item:hover { transform: translateY(-3px); }
    .reveal, .reveal-left, .reveal-right, .reveal-scale { transform: none; opacity: 1; }
}

/* ---------- 17. 滚动条美化 ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #111; }
::-webkit-scrollbar-thumb { background: rgba(200, 167, 101, 0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(200, 167, 101, 0.5); }
/* ---------- 18. 金色邻近粒子网格 ---------- */
#particle-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.2s ease;
}

#particle-layer.visible {
    opacity: 0.5;
}

#particle-layer canvas {
    width: 100%;
    height: 100%;
    display: block;
}
/* ---------- 19. 锚点导航修正（固定导航栏遮挡） ---------- */
.product-category,
.product-subcategory,
#gangmu, #kaoqiang, #zhongdao, #cuxiaotai,
#shipinjia, #fuzhuangjia, #yixingjia,
#cangchu, #gangmu-zhongdao, #chaoshi, #muying, #shipin,
#gangmu-cuxiao {
    scroll-margin-top: 90px;
}

/* ---------- 20. 产品导航按钮点击反馈 ---------- */
.product-nav-btn:active,
.product-subnav-btn:active {
    transform: scale(0.95);
}

/* ---------- 21. 图片内容渐入优化 ---------- */
.banner-item img,
.home-pro-card img,
.product-img-item img,
.about-box img,
.about-banner img,
.contact-qrcode img {
    opacity: 1;
    transition: opacity 0.4s ease;
}
/* ---------- 22. 统计数字样式 ---------- */
.stats-row {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 36px 0 16px;
    margin-top: 30px;
    border-top: 1px solid rgba(200, 167, 101, 0.12);
    opacity: 1;
}

.stat-item {
    text-align: center;
    flex: 1;
    position: relative;
}

.stat-number {
    font-size: 46px;
    font-weight: 800;
    background: linear-gradient(135deg, #c8a765 0%, #e8d5a3 40%, #c8a765 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
    line-height: 1;
    letter-spacing: 2px;
}

.stat-plus {
    font-size: 30px;
    font-weight: 700;
    background: linear-gradient(135deg, #c8a765, #e8d5a3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: 1px;
    vertical-align: super;
}

.stat-label {
    display: block;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 10px;
    letter-spacing: 3px;
}

.stat-divider {
    width: 1px;
    height: 44px;
    background: linear-gradient(180deg, transparent, rgba(200, 167, 101, 0.25), transparent);
    flex-shrink: 0;
}

/* ---------- 23. 关于页面图片边框光效 ---------- */
.about-box {
    position: relative;
}

.about-box .about-img-wrap {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.about-box .about-img-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(200, 167, 101, 0);
    border-radius: 8px;
    transition: all 0.5s ease;
    pointer-events: none;
    z-index: 1;
}

.about-box:hover .about-img-wrap::after {
    border-color: rgba(200, 167, 101, 0.35);
    box-shadow: inset 0 0 30px rgba(200, 167, 101, 0.08);
}
/* ---------- 25. 关于页面核心优势双列布局 ---------- */
ul.about-advantages {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 40px;
    padding: 0;
}

ul.about-advantages li {
    break-inside: avoid;
    padding: 10px 0;
    border-bottom: 1px solid rgba(200, 167, 101, 0.06);
}

ul.about-advantages li:last-child,
ul.about-advantages li:nth-last-child(2) {
    border-bottom: none;
}

ul.about-advantages li::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 14px;
    border: solid #c8a765;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-right: 12px;
    vertical-align: middle;
    margin-top: -2px;
}

ul.about-advantages li span {
    font-size: 16px;
    line-height: 1.6;
    color: #ccc;
}

@media (max-width: 768px) {
    ul.about-advantages {
        grid-template-columns: 1fr;
    }
}
/* ---------- 26. 返回顶部按钮 ---------- */
#back-to-top {
    position: fixed;
    bottom: 40px;
    right: 30px;
    z-index: 9998;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(200, 167, 101, 0.15);
    border: 1px solid rgba(200, 167, 101, 0.25);
    color: #c8a765;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    line-height: 1;
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    background: rgba(200, 167, 101, 0.3);
    border-color: rgba(200, 167, 101, 0.5);
    box-shadow: 0 0 20px rgba(200, 167, 101, 0.2);
    transform: translateY(-3px);
}

#back-to-top:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    #back-to-top {
        bottom: 24px;
        right: 16px;
        width: 38px;
        height: 38px;
        font-size: 16px;
    }
}