/* ============================================
   东莞市丽虹环保材料有限公司 (lnong) - 主样式文件
   蜂窝纸板产品官网
   ============================================ */

/* ============================================
   0. Performance Optimizations
   ============================================ */

/* 图片懒加载占位 */
.lazy-image {
    opacity: 0;
    transition: opacity 0.3s ease;
    background: #f0f0f0;
}

.lazy-image.loaded {
    opacity: 1;
}

/* 图片加载动画 */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.lazy-image:not(.loaded) {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* ============================================
   1. Reset & Base Styles
   ============================================ */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333333;
    background: #f8f5f0;
    overflow-x: hidden;
    padding-top: 80px; /* 为固定头部留出空间 */
}

body.home-page {
    padding-top: 80px; /* 与固定导航同高，轮播不被挡住 */
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease, background 0.3s ease;
}

a:hover {
    color: #8B7355;
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    vertical-align: middle;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.4;
    color: #333333;
}

p {
    margin-bottom: 1em;
    color: #666666;
    line-height: 1.8;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

::selection {
    background: #8B7355;
    color: #ffffff;
}


/* ============================================
   2. Layout & Container
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

main {
    min-height: calc(100vh - 80px);
}


/* ============================================
   3. Header / Navigation (公共头部)
   ============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: #ffffff;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: box-shadow 0.3s ease, background 0.3s ease;
}

.site-header .header-inner {
    max-width: 1200px;
    height: 80px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo 区域 */
.header-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    flex-shrink: 0;
}

.header-logo .logo {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: #8B7355;
    line-height: 1.2;
    letter-spacing: 1px;
}

.header-logo .logo-sub {
    font-size: 12px;
    color: #666666;
    white-space: nowrap;
    margin-top: 2px;
    letter-spacing: 0.5px;
}

/* 导航菜单（桌面端） */
.site-header nav {
    flex-shrink: 0;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-item a {
    display: block;
    padding: 8px 18px;
    font-size: 15px;
    color: #333333;
    text-decoration: none;
    border-radius: 4px;
    transition: color 0.2s ease, background 0.2s ease;
    position: relative;
}

.nav-item a:hover {
    color: #8B7355;
    background: #faf6f0;
}

.nav-item.active a {
    color: #8B7355;
    font-weight: 600;
    background: #faf6f0;
}

.nav-item.active a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: #8B7355;
    border-radius: 2px;
}

/* 右侧操作区 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #555;
}

.header-phone .phone-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.header-phone .phone-icon svg {
    width: 18px;
    height: 18px;
    fill: #8B7355;
}

/* 获取报价按钮 */
.btn-quote {
    display: inline-block;
    padding: 9px 22px;
    font-size: 14px;
    color: #ffffff;
    background: #8B7355;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
    white-space: nowrap;
    font-weight: 500;
}

.btn-quote:hover {
    background: #705d45;
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-quote:active {
    transform: translateY(0);
}

/* 汉堡菜单按钮 */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    gap: 5px;
}

.hamburger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: #333333;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-btn.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.open span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 移动端菜单面板 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 999;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
}

.mobile-menu.show {
    display: block;
}

.mobile-menu .nav-menu {
    flex-direction: column;
    padding: 12px 20px;
    gap: 0;
}

.mobile-menu .nav-item a {
    padding: 14px 16px;
    font-size: 16px;
    border-bottom: 1px solid #f0f0f0;
    border-radius: 0;
}

.mobile-menu .nav-item:last-child a {
    border-bottom: none;
}

.mobile-menu .nav-item.active a {
    background: #faf6f0;
    border-left: 3px solid #8B7355;
    color: #8B7355;
    font-weight: 600;
}

.mobile-menu .mobile-actions {
    padding: 16px 20px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    gap: 12px;
}


/* ============================================
   4. Footer (公共底部)
   ============================================ */

.site-footer {
    /* 具体样式见 public/footer.html；保持浅色，高度由 footer 内联控制 */
    background: #ffffff;
    color: #666666;
    padding-top: 0;
}

/* 产品列表页底部 */
.product-list-page .site-footer {
    padding-top: 30px;
}

.product-list-page .footer-main {
    padding-top: 0;
}

/* 底部主内容区 */
.footer-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 32px 40px;
}

/* 底部品牌信息 */
.footer-brand .footer-logo {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #8B7355;
    margin-bottom: 12px;
}

.footer-brand .footer-logo-sub {
    font-size: 13px;
    color: #999999;
    margin-bottom: 16px;
}

.footer-brand .footer-desc {
    font-size: 14px;
    color: #999999;
    line-height: 1.8;
}

/* 底部导航列 */
.footer-col h4 {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: #8B7355;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #999999;
    font-size: 14px;
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.footer-col ul li a:hover {
    color: #8B7355;
    padding-left: 4px;
}

/* 底部联系方式 */
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 14px;
    color: #999999;
}

.footer-contact li .contact-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.footer-contact li .contact-icon svg {
    width: 18px;
    height: 18px;
    fill: #8B7355;
}

.footer-contact li span {
    line-height: 1.6;
}

/* 底部版权栏 */
.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: #777777;
}

.footer-bottom a {
    color: #999999;
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: #8B7355;
}

.footer-bottom .footer-links {
    display: flex;
    gap: 20px;
}


/* ============================================
   5. Section Common Styles (公共板块样式)
   ============================================ */

/* 板块标题 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 12px;
}

.section-title .title-line {
    display: inline-block;
    width: 50px;
    height: 3px;
    background: #8B7355;
    border-radius: 2px;
    margin-bottom: 12px;
}

.section-title p {
    font-size: 15px;
    color: #666666;
    max-width: 600px;
    margin: 0 auto;
}

.section-title .en-subtitle {
    font-size: 13px;
    color: #999999;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

/* 通用按钮 */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
    line-height: 1.5;
}

.btn-primary {
    background: #8B7355;
    color: #ffffff;
    border: 2px solid #8B7355;
}

.btn-primary:hover {
    background: #705d45;
    border-color: #705d45;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 115, 85, 0.3);
}

.btn-secondary {
    background: #ffffff;
    color: #8B7355;
    border: 2px solid #8B7355;
}

.btn-secondary:hover {
    background: #8B7355;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 115, 85, 0.3);
}

.btn-white {
    background: #ffffff;
    color: #333333;
    border: 2px solid #ffffff;
}

.btn-white:hover {
    background: transparent;
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-white:hover {
    background: #ffffff;
    color: #333333;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 40px;
    font-size: 16px;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 13px;
}

/* 通用卡片 */
.card {
    background: #ffffff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card .card-img {
    width: 100%;
    height: auto;
    overflow: hidden;
}

.card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-img img {
    transform: scale(1.05);
}

.card .card-body {
    padding: 20px;
}

.card .card-body h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333333;
}

.card .card-body p {
    font-size: 14px;
    color: #666666;
    line-height: 1.7;
    margin-bottom: 0;
}


/* ============================================
   6. Home Page - Hero Banner
   ============================================ */

.hero-section {
    position: relative;
    height: calc(100vh - 80px);
    min-height: 520px;
    margin-top: 0;
    background: #000;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.hero-section .hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-section .hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: center center / cover no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-section .hero-slide.active {
    opacity: 1;
}

.hero-section .container {
    margin-left: 12%;
    margin-right: auto;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0;
    padding: 0 20px;
    text-align: left;
}

.hero-content .hero-tag {
    display: inline-block;
    font-size: 15px;
    color: #ffffff;
    background: #8B7355;
    padding: 6px 18px;
    border-radius: 20px;
    letter-spacing: 1px;
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 700;
    color: #2c2c2c;
    margin-bottom: 20px;
    letter-spacing: 1px;
    line-height: 1.3;
}

.hero-content h1 span {
    color: #8B7355;
}

.hero-content .hero-keywords {
    font-size: 17px;
    color: #666666;
    margin-bottom: 40px;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: 1px;
}

.hero-content .hero-btns {
    display: flex;
    gap: 20px;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 50px;
}

.hero-content .hero-btns .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-content .hero-btns .btn-primary {
    background: #8B7355;
    color: #ffffff;
    border: 2px solid #8B7355;
}

.hero-content .hero-btns .btn-outline-white {
    background: transparent;
    color: #8B7355;
    border: 1px solid #8B7355;
}

.hero-content .hero-btns .btn-outline-white:hover {
    background: #8B7355;
    color: #ffffff;
    border-color: #8B7355;
}

.hero-content .hero-btns .btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.hero-content .hero-btns .btn:hover svg {
    transform: translateX(4px);
}

.hero-features {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.hero-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.hero-feature-item:hover {
    transform: translateY(-3px);
}

.hero-feature-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.hero-feature-text {
    text-align: center;
}

.hero-feature-text h4 {
    font-size: 15px;
    color: #333333;
    margin-bottom: 6px;
    font-weight: 600;
}

.hero-feature-text p {
    font-size: 13px;
    color: #666666;
    margin: 0;
}


/* ============================================
   7. Home Page - Core Advantages (核心优势)
   ============================================ */

.advantages-section {
    padding: 40px 0;
    background: #ffffff;
    height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    justify-content: center;
}

.advantage-item {
    text-align: center;
    padding: 0;
    border-radius: 12px;
    background: #ffffff;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: none;
    box-shadow: none;
    border-color: inherit;
}

/* 图片区域 */
.advantage-item .adv-img-stack {
    position: relative;
    width: 100%;
    height: 180px;
    margin: 0;
    padding-top: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #faf6f0;
    overflow: visible;
}

.advantage-item .adv-img-stack .base-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.advantage-item .adv-img-stack .overlay-img {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    object-fit: contain;
    z-index: 2;
    background: transparent;
    border-radius: 0;
}

/* 文字区域 */
.advantage-item .adv-text-area {
    padding: 20px 16px 24px;
    border: 1px solid #e8e0d5;
    border-top: none;
    border-radius: 0 0 12px 12px;
    height: 175px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.advantage-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #A67C52;
    margin-bottom: 12px;
}

.advantage-item p {
    font-size: 13px;
    color: #666666;
    line-height: 1.8;
    margin-bottom: 0;
}


/* ============================================
   8. Home Page - Product Center (产品中心)
   ============================================ */

.home-products-section {
    padding: 0;
    background: #ffffff;
    height: calc(100vh - 80px);
}

/* 产品Banner */
.product-banner {
    position: relative;
    height: calc(100vh - 80px);
    overflow: hidden;
    background: #1a1a1a;
}

.product-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1a1a1a;
}

.product-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.product-banner-content {
    position: relative;
    z-index: 2;
    height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.product-banner-text {
    flex: 1;
    max-width: 500px;
}

.product-banner-text h2 {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
    line-height: 1.2;
}

.product-banner-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 24px;
    font-weight: 400;
    letter-spacing: 1px;
}

.product-banner-line {
    width: 40px;
    height: 3px;
    background: #C9A96E;
    margin-bottom: 24px;
    border-radius: 2px;
}

.product-banner-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 2;
    margin: 0;
}

.product-banner-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.product-banner-image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    opacity: 0.9;
}

/* 蜂窝产品系列 */
.product-series-section {
    padding: 40px 0;
    background: #f8f5f0;
    height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow-x: auto;
    overflow-y: hidden;
}

.product-series-header {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto 30px;
    padding: 0 20px;
}

.product-series-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 12px;
}

.product-series-line {
    width: 40px;
    height: 3px;
    background: #C9A96E;
    margin-bottom: 16px;
    border-radius: 2px;
}

.product-series-header p {
    font-size: 15px;
    color: #666666;
    margin: 0;
}

.product-series-grid {
    display: flex;
    gap: 32px;
    max-width: none;
    margin: 0;
    padding: 0 40px;
    flex-wrap: nowrap;
    scroll-snap-type: x mandatory;
}

.product-series-grid::-webkit-scrollbar {
    display: none;
}

.product-series-grid {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.product-series-item {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    flex-shrink: 0;
    width: 320px;
    scroll-snap-align: center;
}

.product-series-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

.product-series-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: #faf6f0;
}

.product-series-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-series-item:hover .product-series-img img {
    transform: scale(1.1);
}

.product-series-info {
    padding: 28px;
}

.product-series-info h4 {
    font-size: 20px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 12px;
}

.product-series-info p {
    font-size: 15px;
    color: #666666;
    line-height: 1.7;
    margin: 0;
}

/* 选择我们的蜂窝产品 */
.why-choose-section {
    padding: 40px 0;
    background: #f5f5f5;
    height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow-y: auto;
}

.why-choose-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.why-choose-inner {
    background: #fafafa;
    border-radius: 12px;
    padding: 40px;
}

.why-choose-header h3 {
    color: #333333;
}

.why-choose-item h4 {
    color: #333333;
}

.why-choose-item p {
    color: #666666;
}

.why-choose-icon img {
    filter: none;
    opacity: 1;
}

.why-choose-header {
    text-align: left;
    margin-bottom: 40px;
}

.why-choose-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 12px;
}

.why-choose-line {
    width: 40px;
    height: 3px;
    background: #C9A96E;
    border-radius: 2px;
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.why-choose-item {
    text-align: center;
    padding: 20px 16px;
    background: transparent;
    transition: all 0.3s ease;
    border-right: 1px solid #e8e8e8;
}

.why-choose-item:last-child {
    border-right: none;
}

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

.why-choose-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-choose-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.why-choose-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 8px;
}

.why-choose-item p {
    font-size: 13px;
    color: #666666;
    line-height: 1.7;
    margin: 0;
}

/* 案例中心模块 */
.case-center-section {
    margin-top: 0;
    padding-bottom: 0;
    background: transparent;
}

.case-center-header {
    text-align: center;
    margin-bottom: 36px;
}

.case-center-header .case-center-label {
    font-family: "GASE CENTEF", Arial, sans-serif;
    font-size: 14px;
    color: #A67C52;
    letter-spacing: 4px;
    margin-bottom: 16px;
}

.case-center-header h2 {
    font-size: 32px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 16px;
}

.case-center-header .case-center-line {
    width: 60px;
    height: 3px;
    background: #A67C52;
    margin: 0 auto 20px;
    border-radius: 2px;
}

.case-center-header .case-center-desc {
    font-size: 15px;
    color: #666666;
    line-height: 1.8;
}

/* 分类按钮 */
.case-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 25px;
}

.case-categories .category-btn {
    padding: 10px 24px;
    font-size: 14px;
    color: #666666;
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-categories .category-btn:hover {
    border-color: #A67C52;
    color: #A67C52;
}

.case-categories .category-btn.active {
    background: #A67C52;
    color: #ffffff;
    border-color: #A67C52;
}

/* 案例卡片网格 */
.case-cards-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.case-card-item {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.case-card-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.case-card-img {
    width: 100%;
    height: 130px;
    overflow: hidden;
    background: #e8e2d8;
}

.case-card-img img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-card-item:hover .case-card-img img {
    transform: scale(1.05);
}

.case-card-info {
    padding: 16px;
}

.case-card-info .case-card-number {
    font-size: 12px;
    color: #A67C52;
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
}

.case-card-info h3 {
    font-size: 15px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 10px;
}

.case-card-info .case-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.case-card-info .case-card-tags span {
    padding: 4px 10px;
    font-size: 11px;
    color: #888888;
    background: #f5f5f5;
    border-radius: 4px;
}

.case-card-info .case-card-link {
    font-size: 12px;
    color: #A67C52;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.3s ease;
}

.case-card-info .case-card-link:hover {
    gap: 8px;
}

.case-card-info .case-card-link::after {
    content: '→';
    font-size: 12px;
}

/* 查看全部案例按钮 */
.case-center-footer {
    text-align: center;
    margin-top: 40px;
}

.case-center-footer .case-center-btn {
    display: inline-block;
    padding: 14px 40px;
    font-size: 15px;
    color: #A67C52;
    font-weight: 500;
    border: 1px solid #A67C52;
    border-radius: 28px;
    transition: all 0.3s ease;
}

.case-center-footer .case-center-btn:hover {
    background: #A67C52;
    color: #ffffff;
}


/* ============================================
   9. Home Page - Gift Box Display (礼盒展示)
   ============================================ */

.giftbox-section {
    padding: 90px 0;
    background: #f8f5f0;
}

.giftbox-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.giftbox-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.giftbox-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.giftbox-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.giftbox-item .giftbox-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 16px 16px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
    color: #ffffff;
}

.giftbox-item .giftbox-overlay h4 {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 4px;
}

.giftbox-item .giftbox-overlay p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}


/* ============================================
   10. Home Page - Case Display (案例展示)
   ============================================ */

.cases-section {
    padding: 90px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f5f0 100%);
    height: auto;
    min-height: 0;
    display: block;
    align-items: unset;
    overflow: visible;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.case-card .card-img {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.case-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-card:hover .card-img img {
    transform: scale(1.08);
}

.case-card .card-img .case-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    font-size: 12px;
    color: #ffffff;
    background: #8B7355;
    border-radius: 3px;
}

.case-card .card-body {
    padding: 20px;
}

.case-card .card-body h3 {
    font-size: 17px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 6px;
}

.case-card .card-body p {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 0;
}

.cases-section .view-more {
    text-align: center;
    margin-top: 50px;
}


/* ============================================
   11. Home Page - Factory Strength (工厂实力)
   ============================================ */

.factory-section {
    padding: 90px 0;
    background: #ffffff;
    color: #333333;
    height: auto;
    min-height: 0;
    display: block;
    align-items: unset;
    overflow: visible;
}

.factory-section .section-title .section-label {
    font-size: 14px;
    letter-spacing: 2px;
    color: #A67C52;
    margin-bottom: 10px;
    font-weight: 500;
    text-transform: uppercase;
}

.factory-section .section-title h2 {
    color: #333333;
}

.factory-section .section-title p {
    color: #666666;
}

.factory-section .section-title .title-line {
    background: #A67C52;
}

/* 工厂实力主体布局 */
.factory-main {
    display: flex;
    align-items: center;
    gap: 30px;
    max-width: 1200px;
    margin: 50px auto 0;
    padding: 0 20px;
}

/* 左侧文字区域 */
.factory-left {
    flex: 1;
    background: linear-gradient(135deg, #fff9f0 0%, #ffffff 100%);
    padding: 40px 30px;
    border-radius: 12px;
    position: relative;
}

.factory-left-title {
    font-size: 28px;
    font-weight: 700;
    color: #8B7355;
    margin-bottom: 16px;
}

.factory-left-desc {
    font-size: 13px;
    color: #666666;
    line-height: 1.8;
    margin-bottom: 24px;
}

.factory-left-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.factory-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.factory-feature-item img {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    margin-top: 2px;
}

.factory-feature-item p {
    font-size: 13px;
    font-weight: 600;
    color: #333333;
    margin: 0;
    line-height: 1.4;
}

.factory-feature-item p span {
    font-size: 12px;
    font-weight: normal;
    color: #999999;
}

/* 中间图片区域 */
.factory-center {
    flex: 1.2;
    display: flex;
    justify-content: center;
    align-items: center;
}

.factory-main-img {
    width: 100%;
    max-height: 360px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

/* 右侧数据区域 */
.factory-right {
    flex: 0.8;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.factory-stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #A67C52;
    padding: 14px 18px;
    border-radius: 8px;
    color: #ffffff;
}

.factory-stat-item img {
    width: 28px;
    height: 28px;
    filter: brightness(0) invert(1);
    flex-shrink: 0;
}

.factory-stat-item .stat-num {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.2;
}

.factory-stat-item .stat-num span {
    font-size: 13px;
    font-weight: normal;
    margin-left: 2px;
}

.factory-stat-item .stat-text {
    font-size: 12px;
    opacity: 0.9;
    margin-top: 2px;
}

/* 工厂实拍图片网格 */
.factory-photos-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    max-width: 1200px;
    margin: 40px auto 0;
    padding: 0 20px;
}

.factory-photo-item {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.factory-photo-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.factory-photo-img {
    width: 100%;
    height: 120px;
    overflow: hidden;
}

.factory-photo-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.factory-photo-item:hover .factory-photo-img img {
    transform: scale(1.08);
}

.factory-photo-info {
    padding: 12px 10px;
    text-align: center;
}

.factory-photo-info h4 {
    font-size: 13px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 4px;
}

.factory-photo-info p {
    font-size: 11px;
    color: #999999;
    margin: 0;
    line-height: 1.5;
}


/* ============================================
   12. Home Page - Production Process (生产流程)
   ============================================ */

.process-section {
    padding: 60px 0;
    background: #f7f5f3;
}

.process-section .container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.process-section .section-title {
    margin-bottom: 20px;
}

.process-section .section-title h2 {
    font-size: 28px;
    margin-bottom: 8px;
}

.process-section .section-title .section-label {
    font-size: 13px;
    letter-spacing: 2px;
    color: #A67C52;
    margin-bottom: 8px;
    font-weight: 500;
    text-transform: uppercase;
}

.process-section .section-title p {
    font-size: 14px;
    margin-top: 8px;
}

/* 新生产流程卡片布局 */
.process-steps-new {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 0;
    margin: 0 auto;
    padding: 0;
    position: relative;
}

.process-steps-new::before {
    display: none;
}

.process-card {
    flex: 1 1 140px;
    min-width: 130px;
    max-width: 180px;
    text-align: center;
    position: relative;
    padding: 20px 16px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fbfaf8;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    overflow: visible;
    margin: 0 8px;
}

.process-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* 顶部圆形图标 */
.process-icon-circle {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 2px solid #c9a97f;
    border-radius: 50%;
    z-index: 2;
    position: relative;
    box-shadow: 0 4px 12px rgba(166, 124, 82, 0.1);
}

.process-icon-circle img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

/* 步骤编号 */
.process-number {
    font-size: 18px;
    font-weight: 600;
    color: #c9a97f;
    margin-bottom: 6px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    letter-spacing: 1px;
    position: relative;
}

.process-number::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: #c9a97f;
    border-radius: 1px;
}

/* 步骤标题 */
.process-title {
    font-size: 15px;
    font-weight: 600;
    color: #222222;
    margin-top: 16px;
    margin-bottom: 16px;
}

/* 步骤图片 */
.process-img {
    width: 100%;
    height: 110px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 16px;
}

.process-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.process-card:hover .process-img img {
    transform: scale(1.05);
}

/* 步骤描述 */
.process-desc {
    font-size: 12px;
    color: #888888;
    line-height: 1.7;
    margin: 0;
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    box-sizing: border-box;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    flex: 0;
    max-height: none;
    overflow: visible;
    text-align: center;
}

/* 箭头连接线 */
.process-arrow {
    position: absolute;
    top: 36px;
    right: -16px;
    z-index: 3;
    width: 16px;
    height: 16px;
}

.process-arrow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    border-top: 1px dashed #d4b896;
    transform: translateY(-50%);
}

.process-arrow::after {
    content: '→';
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    color: #c9a97f;
    font-size: 10px;
    font-weight: bold;
    line-height: 1;
}

.process-card:last-child .process-arrow {
    display: none;
}

/* 底部特性栏 */
.process-features-bar {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    max-width: 1120px;
    margin: 20px auto 0;
    padding: 20px 40px;
    background: #f5f1ec;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.process-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    padding: 0 20px;
    position: relative;
}

.process-feature-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: #e8e0d4;
}

.process-feature-item img {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.process-feature-item h4 {
    font-size: 14px;
    font-weight: 600;
    color: #333333;
    margin: 0 0 4px 0;
}

.process-feature-item p {
    font-size: 12px;
    color: #999999;
    margin: 0;
}


/* ============================================
   13. Home Page - Partner Clients (合作客户)
   ============================================ */

.partners-section {
    padding: 50px 0;
    background: #fdfcfa;
    position: relative;
}

.partners-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    width: 100%;
}

.partners-section::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    height: 200px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 200' fill='none'%3E%3Cg opacity='0.06' stroke='%23A67C52' stroke-width='1'%3E%3Cellipse cx='200' cy='100' rx='150' ry='60'/%3E%3Cellipse cx='600' cy='100' rx='200' ry='80'/%3E%3Cellipse cx='1000' cy='100' rx='180' ry='70'/%3E%3C/g%3E%3C/svg%3E") no-repeat center;
    background-size: cover;
    pointer-events: none;
}

.partners-section .section-title {
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.partners-section .section-title h2 {
    font-size: 24px;
}

.partners-section .section-title p {
    font-size: 13px;
    margin-bottom: 0;
}

.partners-section .section-title .section-label {
    font-size: 14px;
    letter-spacing: 2px;
    color: #A67C52;
    margin-bottom: 10px;
    font-weight: 500;
    text-transform: uppercase;
}

/* 品牌logo网格 */
.partners-logos-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 12px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.partner-logo-item {
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    cursor: pointer;
}

.partner-logo-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.partner-logo-item:hover::after {
    content: attr(data-name);
    position: absolute;
    bottom: -28px;
    left: 50%;
    transform: translateX(-50%);
    background: #222;
    color: #fff;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    animation: tooltipFadeIn 0.2s ease forwards;
    z-index: 10;
    pointer-events: none;
}

.partner-logo-item:hover::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 4px;
    border-style: solid;
    border-color: transparent transparent #222 transparent;
    opacity: 0;
    animation: tooltipFadeIn 0.2s ease forwards;
    z-index: 10;
    pointer-events: none;
}

@keyframes tooltipFadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(2px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* 数据统计 */
.partners-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 18px auto 0;
    padding: 0 60px;
    position: relative;
    z-index: 1;
}

.partner-stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.partner-stat-item img {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.partner-stat-item .stat-info {
    display: flex;
    flex-direction: column;
}

.partner-stat-item .stat-number {
    font-size: 20px;
    font-weight: 700;
    color: #A67C52;
    line-height: 1.2;
}

.partner-stat-item .stat-label {
    font-size: 12px;
    color: #666666;
    margin-top: 2px;
}

/* 底部图片展示 */
.partners-showcase {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    width: 100%;
    margin: 18px 0 0;
    padding: 0;
}

.partners-showcase .showcase-img {
    border-radius: 6px;
    overflow: hidden;
    height: 80px;
}

.partners-showcase .showcase-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.partners-showcase .showcase-img:hover img {
    transform: scale(1.08);
}


/* ============================================
   14. Product Page - Product List (产品中心页)
   ============================================ */

/* 产品页面Banner - 居中布局 */
body .product-page-banner {
    position: relative;
    height: 420px;
    overflow: hidden;
    background: #1a1a1a !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

body .product-page-banner .product-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/assets/images/case-banner.jpg') center center / cover no-repeat;
    opacity: 0.6;
}

body .product-page-banner .product-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.6) !important;
    z-index: 1;
}

body .product-page-banner .product-banner-content {
    position: relative;
    z-index: 2;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
}

body .product-page-banner .product-banner-text {
    display: flex;
    flex: none;
    max-width: none;
    text-align: center;
    flex-direction: column;
    align-items: center;
}

body .product-page-banner .product-banner-image {
    display: none;
}

body .product-page-banner .banner-tag {
    font-size: 14px;
    color: #C9A96E !important;
    letter-spacing: 3px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

body .product-page-banner h1 {
    font-size: 42px;
    font-weight: 700;
    color: #ffffff !important;
    margin-bottom: 12px;
    line-height: 1.2;
}

body .product-page-banner .banner-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9) !important;
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 1px;
}

body .product-page-banner .banner-line {
    width: 40px;
    height: 3px;
    background: #C9A96E;
    margin-bottom: 20px;
    border-radius: 2px;
}

body .product-page-banner .banner-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75) !important;
    line-height: 2;
    margin-bottom: 30px;
}

body .product-page-banner .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6) !important;
}

body .product-page-banner .breadcrumb a {
    color: rgba(255, 255, 255, 0.6) !important;
    transition: color 0.3s;
}

body .product-page-banner .breadcrumb a:hover {
    color: #ffffff !important;
}

body .product-page-banner .breadcrumb .separator {
    color: rgba(255, 255, 255, 0.4);
}

body .product-page-banner .product-banner-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

body .product-page-banner .product-banner-image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    opacity: 0.9;
}

/* 页面头部横幅 */
.page-banner {
    position: relative;
    height: 300px;
    min-height: 200px;
    background: #2d2d2d;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-banner .banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: center center / cover no-repeat;
    opacity: 0.4;
}

.page-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(45, 45, 45, 0.5) 100%);
}

.page-banner .banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-banner h1 {
    font-size: 36px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.page-banner .breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.page-banner .breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s;
}

.page-banner .breadcrumb a:hover {
    color: #ffffff;
}

.page-banner .breadcrumb .separator {
    color: rgba(255, 255, 255, 0.4);
}

/* 产品筛选栏 */
.product-filter {
    padding: 30px 0;
    background: #ffffff;
    border-bottom: 1px solid #f0f0f0;
}

.product-filter .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 24px;
    font-size: 14px;
    color: #666666;
    background: #f5f5f5;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    color: #8B7355;
    background: #faf6f0;
}

.filter-btn.active {
    color: #ffffff;
    background: #8B7355;
    border-color: #8B7355;
}

/* 产品列表 */
.product-list-section {
    padding: 80px 0 60px;
    background: #ffffff;
}

.product-list-header {
    text-align: left;
    max-width: 1200px;
    margin: 0 auto 40px;
    padding: 0 20px;
}

.product-list-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 12px;
}

.product-list-line {
    width: 40px;
    height: 3px;
    background: #C9A96E;
    margin-bottom: 16px;
    border-radius: 2px;
}

.product-list-header p {
    font-size: 15px;
    color: #666666;
    margin: 0;
}

.product-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.product-list-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.product-list-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: transparent;
}

.product-list-card .card-img {
    height: 260px;
    overflow: hidden;
    position: relative;
}

.product-list-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-list-card:hover .card-img img {
    transform: scale(1.08);
}

.product-list-card .card-img .product-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 12px;
    font-size: 12px;
    color: #ffffff;
    background: #4CAF50;
    border-radius: 3px;
}

.product-list-card .card-body {
    padding: 24px;
}

.product-list-card .card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 8px;
}

.product-list-card .card-body .product-desc {
    font-size: 14px;
    color: #666666;
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-list-card .card-body .product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.product-list-card .card-body .product-specs span {
    padding: 3px 10px;
    font-size: 12px;
    color: #8B7355;
    background: #faf6f0;
    border-radius: 3px;
}

.product-list-card .card-body .card-link {
    font-size: 14px;
    color: #8B7355;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s ease;
}

.product-list-card .card-body .card-link:hover {
    gap: 10px;
    color: #705d45;
}


/* ============================================
   15. Product Page - Product Detail (产品详情页)
   ============================================ */

.product-detail-section {
    padding: 60px 0 90px;
    background: #ffffff;
}

.product-detail {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.product-detail .detail-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

/* 产品图片画廊 */
.product-gallery {
    position: relative;
}

.product-gallery .gallery-main {
    width: 100%;
    height: 440px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
    background: #f5f5f5;
    border: 1px solid #f0f0f0;
}

.product-gallery .gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-gallery .gallery-thumbs {
    display: flex;
    gap: 12px;
}

.product-gallery .gallery-thumbs .thumb-item {
    width: 80px;
    height: 80px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s;
    background: #f5f5f5;
}

.product-gallery .gallery-thumbs .thumb-item.active,
.product-gallery .gallery-thumbs .thumb-item:hover {
    border-color: #8B7355;
}

.product-gallery .gallery-thumbs .thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 产品信息 */
.product-info h1 {
    font-size: 28px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 16px;
}

.product-info .product-subtitle {
    font-size: 15px;
    color: #666666;
    margin-bottom: 24px;
    line-height: 1.7;
}

.product-info .product-meta {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid #f0f0f0;
}

.product-info .product-meta .meta-item {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 14px;
}

.product-info .product-meta .meta-label {
    color: #999999;
    width: 80px;
    flex-shrink: 0;
}

.product-info .product-meta .meta-value {
    color: #333333;
    font-weight: 500;
}

.product-info .product-actions {
    display: flex;
    gap: 16px;
    margin-top: 30px;
}

/* 产品详情内容 */
.product-detail-content {
    margin-top: 60px;
}

.product-detail-content .detail-tabs {
    display: flex;
    border-bottom: 2px solid #f0f0f0;
    margin-bottom: 30px;
}

.product-detail-content .detail-tab {
    padding: 12px 30px;
    font-size: 15px;
    color: #666666;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
    background: none;
    font-family: inherit;
}

.product-detail-content .detail-tab:hover {
    color: #8B7355;
}

.product-detail-content .detail-tab.active {
    color: #8B7355;
    border-bottom-color: #8B7355;
    font-weight: 600;
}

.detail-tab-content {
    line-height: 1.8;
    color: #666666;
    font-size: 15px;
}

.detail-tab-content h3 {
    font-size: 20px;
    color: #333333;
    margin: 30px 0 16px;
}

.detail-tab-content p {
    margin-bottom: 16px;
}

.detail-tab-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.detail-tab-content table th,
.detail-tab-content table td {
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    font-size: 14px;
    text-align: left;
}

.detail-tab-content table th {
    background: #f8f8f5;
    color: #333333;
    font-weight: 600;
}

.detail-tab-content table td {
    color: #666666;
}

.detail-tab-content img {
    max-width: 100%;
    margin: 20px 0;
    border-radius: 6px;
}

/* 相关产品推荐 */
.related-products {
    margin-top: 60px;
    padding-top: 50px;
    border-top: 1px solid #f0f0f0;
}

.related-products h2 {
    font-size: 24px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 30px;
    text-align: center;
}

.related-products .products-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.related-products .product-card .card-img {
    height: 200px;
}


/* ============================================
   16. Case Page - Sample Cases (样品案例页)
   ============================================ */

.case-filter-section {
    padding: 60px 0 30px;
    background: #ffffff;
}

.case-filter-bar {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.case-list-section {
    padding: 30px 0 90px;
    background: #f8f8f5;
}

.case-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.case-list-card {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.case-list-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.case-list-card .case-img {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.case-list-card .case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-list-card:hover .case-img img {
    transform: scale(1.08);
}

.case-list-card .case-img .case-category {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    font-size: 12px;
    color: #ffffff;
    background: #8B7355;
    border-radius: 3px;
}

.case-list-card .case-body {
    padding: 20px;
}

.case-list-card .case-body h3 {
    font-size: 17px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 8px;
}

.case-list-card .case-body p {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-list-card .case-body .case-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: #999999;
}

.case-list-card .case-body .case-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 案例详情 */
.case-detail-section {
    padding: 60px 0 90px;
    background: #ffffff;
}

.case-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.case-detail .case-detail-header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid #f0f0f0;
}

.case-detail .case-detail-header h1 {
    font-size: 30px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 16px;
}

.case-detail .case-detail-header .case-info {
    display: flex;
    gap: 24px;
    font-size: 14px;
    color: #999999;
}

.case-detail .case-detail-content {
    line-height: 1.8;
    color: #666666;
}

.case-detail .case-detail-content p {
    margin-bottom: 16px;
}

.case-detail .case-detail-content img {
    width: 100%;
    border-radius: 8px;
    margin: 20px 0;
}

.case-detail .case-detail-content h3 {
    font-size: 22px;
    color: #333333;
    margin: 40px 0 16px;
}

/* 案例图片画廊 */
.case-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 30px 0;
}

.case-gallery img {
    width: 100%;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.case-gallery img:hover {
    transform: scale(1.02);
}


/* ============================================
   17. About Page (关于我们页)
   ============================================ */

/* 公司简介 */
.about-intro-section {
    padding: 80px 0;
    background: #ffffff;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-intro .about-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 20px;
}

.about-intro .about-text .text-line {
    width: 50px;
    height: 3px;
    background: #8B7355;
    border-radius: 2px;
    margin-bottom: 24px;
}

.about-intro .about-text p {
    font-size: 15px;
    color: #666666;
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-intro .about-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.about-intro .about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 数据统计 */
.stats-section {
    padding: 70px 0;
    background: #8B7355;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-item .stat-number span {
    font-size: 24px;
}

.stat-item .stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

/* 工厂实力 - 关于页面 */
.about-factory-section {
    padding: 90px 0;
    background: #f8f8f5;
}

.about-factory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-factory-card {
    border-radius: 8px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.about-factory-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.about-factory-card .card-img {
    height: 220px;
    overflow: hidden;
}

.about-factory-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-factory-card:hover .card-img img {
    transform: scale(1.05);
}

.about-factory-card .card-body {
    padding: 20px;
}

.about-factory-card .card-body h3 {
    font-size: 17px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 8px;
}

.about-factory-card .card-body p {
    font-size: 14px;
    color: #666666;
    line-height: 1.7;
    margin-bottom: 0;
}

/* 质量认证 */
.certifications-section {
    padding: 90px 0;
    background: #ffffff;
}

.cert-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.cert-item {
    width: 180px;
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #ffffff;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.cert-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.cert-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}


/* ============================================
   18. Contact Page (联系我们页)
   ============================================ */

.contact-section {
    padding: 80px 0;
    background: #ffffff;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 联系信息 */
.contact-info h2 {
    font-size: 26px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 16px;
}

.contact-info .info-line {
    width: 50px;
    height: 3px;
    background: #8B7355;
    border-radius: 2px;
    margin-bottom: 24px;
}

.contact-info > p {
    font-size: 15px;
    color: #666666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-list-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-list-item .contact-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #faf6f0;
    border-radius: 50%;
}

.contact-list-item .contact-icon svg {
    width: 20px;
    height: 20px;
    fill: #8B7355;
}

.contact-list-item .contact-text h4 {
    font-size: 15px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 4px;
}

.contact-list-item .contact-text p {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 0;
}

/* 联系表单 */
.contact-form-wrapper {
    background: #f8f8f5;
    border-radius: 8px;
    padding: 40px;
}

.contact-form-wrapper h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #333333;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    color: #333333;
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: #8B7355;
    box-shadow: 0 0 0 3px rgba(139, 115, 85, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #cccccc;
}

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

.form-group .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-submit {
    margin-top: 8px;
}

.form-submit .btn {
    width: 100%;
    padding: 14px 32px;
}

/* 地图区域 */
.map-section {
    padding: 60px 0;
    background: #f5f5f5;
}

.map-section .section-title {
    margin-bottom: 30px;
}

.map-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    background: #e0e0e0;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* 微信二维码区域 */
.wechat-section {
    padding: 60px 0;
    background: #ffffff;
}

.wechat-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.wechat-qr .qr-img {
    width: 160px;
    height: 160px;
    padding: 12px;
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.wechat-qr .qr-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.wechat-qr p {
    font-size: 14px;
    color: #666666;
    margin-bottom: 0;
}

.wechat-info h3 {
    font-size: 22px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 12px;
}

.wechat-info p {
    font-size: 15px;
    color: #666666;
    line-height: 1.8;
}


/* ============================================
   19. Animations (通用动画)
   ============================================ */

/* 淡入 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-fadeIn {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

.animate-fadeIn.delay-1 {
    animation-delay: 0.1s;
}

.animate-fadeIn.delay-2 {
    animation-delay: 0.2s;
}

.animate-fadeIn.delay-3 {
    animation-delay: 0.3s;
}

.animate-fadeIn.delay-4 {
    animation-delay: 0.4s;
}

/* 上滑进入 */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slideUp {
    opacity: 0;
    animation: slideUp 0.6s ease forwards;
}

.animate-slideUp.delay-1 {
    animation-delay: 0.1s;
}

.animate-slideUp.delay-2 {
    animation-delay: 0.2s;
}

.animate-slideUp.delay-3 {
    animation-delay: 0.3s;
}

.animate-slideUp.delay-4 {
    animation-delay: 0.4s;
}

/* 左滑进入 */
@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-slideLeft {
    opacity: 0;
    animation: slideLeft 0.6s ease forwards;
}

/* 右滑进入 */
@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-slideRight {
    opacity: 0;
    animation: slideRight 0.6s ease forwards;
}

/* 缩放进入 */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-scaleIn {
    opacity: 0;
    animation: scaleIn 0.5s ease forwards;
}

/* 数字递增动画容器 */
.counter-animate {
    display: inline-block;
}

/* 触发动画的可见状态（配合 JS IntersectionObserver） */
.animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.slide-left {
    transform: translateX(30px);
}

.animate-on-scroll.slide-left.animated {
    transform: translateX(0);
}

.animate-on-scroll.slide-right {
    transform: translateX(-30px);
}

.animate-on-scroll.slide-right.animated {
    transform: translateX(0);
}


/* ============================================
   20. Utility Classes (通用工具类)
   ============================================ */

/* 文字颜色 */
.text-primary { color: #8B7355; }
.text-success { color: #4CAF50; }
.text-dark { color: #333333; }
.text-muted { color: #666666; }
.text-light-muted { color: #999999; }
.text-white { color: #ffffff; }

/* 背景颜色 */
.bg-primary { background-color: #8B7355; }
.bg-success { background-color: #4CAF50; }
.bg-white { background-color: #ffffff; }
.bg-light { background-color: #f5f5f5; }
.bg-warm-light { background-color: #f8f8f5; }
.bg-dark { background-color: #1a1a1a; }
.bg-dark-secondary { background-color: #2d2d2d; }

/* 字体大小 */
.text-xs { font-size: 12px; }
.text-sm { font-size: 13px; }
.text-base { font-size: 14px; }
.text-md { font-size: 16px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }
.text-3xl { font-size: 28px; }
.text-4xl { font-size: 32px; }

/* 字重 */
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* 文字对齐 */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Flex 工具 */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.gap-24 { gap: 24px; }
.gap-30 { gap: 30px; }
.gap-40 { gap: 40px; }

/* Grid 工具 */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Margin */
.mt-0 { margin-top: 0; }
.mt-10 { margin-top: 10px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mt-50 { margin-top: 50px; }
.mt-60 { margin-top: 60px; }
.mb-0 { margin-bottom: 0; }
.mb-10 { margin-bottom: 10px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.mb-50 { margin-bottom: 50px; }
.mb-60 { margin-bottom: 60px; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding */
.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }
.py-section { padding-top: 80px; padding-bottom: 80px; }
.py-section-lg { padding-top: 100px; padding-bottom: 100px; }

/* 宽度 */
.w-full { width: 100%; }
.max-w-600 { max-width: 600px; }
.max-w-800 { max-width: 800px; }
.max-w-1000 { max-width: 1000px; }
.max-w-1200 { max-width: 1200px; }

/* 圆角 */
.rounded { border-radius: 4px; }
.rounded-md { border-radius: 6px; }
.rounded-lg { border-radius: 8px; }
.rounded-full { border-radius: 50%; }

/* 阴影 */
.shadow-sm { box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06); }
.shadow { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); }
.shadow-lg { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12); }

/* 显示/隐藏 */
.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }
.overflow-hidden { overflow: hidden; }

/* 图片工具 */
.img-cover { object-fit: cover; width: 100%; height: 100%; }
.img-contain { object-fit: contain; width: 100%; height: 100%; }

/* 定位 */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

/* 行高 */
.leading-tight { line-height: 1.2; }
.leading-normal { line-height: 1.6; }
.leading-relaxed { line-height: 1.8; }

/* 文字截断 */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 分割线 */
.divider {
    width: 100%;
    height: 1px;
    background: #e0e0e0;
}

.divider-dark {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

/* 环保标签 / 徽章 */
.badge {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 3px;
    color: #ffffff;
    background: #4CAF50;
}

.badge-primary {
    background: #8B7355;
}

/* 成功消息 / 提示 */
.alert {
    padding: 16px 20px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 20px;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* 加载状态 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}


/* ============================================
   21. Responsive Header (响应式导航)
   ============================================ */

@media (max-width: 992px) {
    .container {
        margin-left: auto;
        margin-right: auto;
    }

    .site-header nav {
        display: none;
    }

    .header-actions .btn-quote,
    .header-actions .header-phone {
        display: none;
    }

    .hamburger-btn {
        display: flex;
    }

    .hero-section {
        height: calc(100vh - 80px);
        min-height: 420px;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .hero-content .hero-tag {
        font-size: 14px;
        letter-spacing: 2px;
    }

    .hero-content .hero-keywords {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .hero-features {
        flex-wrap: wrap;
        gap: 30px;
    }

    .hero-feature-item {
        width: calc(50% - 15px);
    }

    .hero-feature-icon {
        width: 40px;
        height: 40px;
    }

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

    .products-grid,
    .product-list-grid,
    .case-list-grid,
    .case-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .giftbox-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .about-intro {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .product-detail .detail-top {
        grid-template-columns: 1fr;
    }

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

    .process-steps {
        flex-wrap: wrap;
    }

    .process-steps::before {
        display: none;
    }

    .process-step {
        width: 50%;
        margin-bottom: 30px;
    }

    .process-step:not(:last-child)::after {
        display: none;
    }

    .factory-photos-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-steps-new {
        flex-wrap: wrap;
        gap: 20px;
    }

    .process-steps-new::before {
        display: none;
    }

    .process-card {
        width: calc(50% - 10px);
    }

    .process-card .process-arrow {
        display: none;
    }

    .process-features-bar {
        flex-wrap: wrap;
        gap: 20px;
        padding: 20px;
    }

    .process-feature-item {
        width: calc(50% - 10px);
    }

    .partners-logos-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .partners-stats {
        flex-wrap: wrap;
        gap: 20px;
        padding: 0 20px;
    }

    .partner-stat-item {
        width: calc(50% - 10px);
    }

    .partners-showcase {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    .container {
        margin-left: auto;
    }

    .section-title h2 {
        font-size: 26px;
    }

    .hero-section {
        height: calc(100vh - 80px);
        min-height: 370px;
    }

    .hero-content {
        text-align: center;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .hero-content .hero-tag {
        font-size: 13px;
        letter-spacing: 2px;
    }

    .hero-content .hero-keywords {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .hero-content .hero-btns {
        flex-direction: column;
        align-items: center;
        margin-bottom: 30px;
    }

    .hero-features {
        justify-content: center;
        gap: 24px;
    }

    .hero-feature-item {
        width: calc(50% - 12px);
    }

    .hero-feature-icon {
        width: 36px;
        height: 36px;
    }

    .hero-feature-text h4 {
        font-size: 14px;
    }

    .hero-feature-text p {
        font-size: 12px;
    }

    .product-banner {
        height: 400px;
    }

    .product-banner-content {
        height: 400px;
        flex-direction: column;
        justify-content: center;
        text-align: center;
        gap: 30px;
    }

    .product-banner-text {
        max-width: 100%;
    }

    .product-banner-text h2 {
        font-size: 32px;
    }

    .product-banner-subtitle {
        font-size: 16px;
    }

    .product-banner-line {
        margin: 0 auto 20px;
    }

    .product-banner-image {
        display: none;
    }

    .product-series-section {
        padding: 50px 0;
    }

    .product-series-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .product-series-img {
        height: 200px;
    }

    .why-choose-section {
        padding: 50px 0;
    }

    .why-choose-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .product-page-banner {
        height: 400px;
    }

    .product-page-banner .product-banner-content {
        height: 400px;
        flex-direction: column;
        justify-content: center;
        text-align: center;
        gap: 20px;
    }

    .product-page-banner .product-banner-text {
        max-width: 100%;
    }

    .product-page-banner h1 {
        font-size: 30px;
    }

    .product-page-banner .banner-subtitle {
        font-size: 15px;
    }

    .product-page-banner .banner-line {
        margin: 0 auto 16px;
    }

    .product-page-banner .banner-desc {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .product-page-banner .breadcrumb {
        justify-content: center;
    }

    .product-page-banner .product-banner-image {
        display: none;
    }

    .product-list-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .product-filter {
        padding: 20px 0;
    }

    .filter-btn {
        padding: 6px 16px;
        font-size: 13px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stat-item .stat-number {
        font-size: 32px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .products-grid,
    .product-list-grid,
    .case-list-grid,
    .about-factory-grid {
        grid-template-columns: 1fr;
    }

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

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

    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .page-banner {
        height: 220px;
    }

    .page-banner h1 {
        font-size: 28px;
    }

    .product-gallery .gallery-main {
        height: 300px;
    }

    .product-gallery .gallery-thumbs .thumb-item {
        width: 60px;
        height: 60px;
    }

    .product-detail .detail-top {
        gap: 30px;
    }

    .product-info h1 {
        font-size: 22px;
    }

    .product-detail-content .detail-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .product-detail-content .detail-tab {
        padding: 10px 20px;
        white-space: nowrap;
    }

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

    .about-intro .about-text h2 {
        font-size: 24px;
    }

    .about-factory-section,
    .certifications-section,
    .advantages-section,
    .home-products-section,
    .cases-section,
    .process-section,
    .partners-section,
    .product-list-section {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .giftbox-section,
    .about-intro-section,
    .contact-section {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .form-group .form-row {
        grid-template-columns: 1fr;
    }

    .wechat-wrapper {
        flex-direction: column;
        text-align: center;
    }

    .map-container {
        height: 300px;
    }

    .cert-grid {
        gap: 20px;
    }

    .cert-item {
        width: 140px;
        height: 190px;
    }

    .case-gallery {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        gap: 20px;
    }

    .partner-item {
        width: 120px;
        height: 60px;
    }

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

    .process-card {
        width: 100%;
    }

    .process-feature-item {
        width: 100%;
    }

    .partners-logos-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .partner-stat-item {
        width: calc(50% - 10px);
    }

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

@media (max-width: 480px) {
    html, body {
        font-size: 14px;
    }

    .container {
        padding: 0 15px;
        margin-left: auto;
    }

    .hero-section {
        height: calc(100vh - 80px);
        min-height: 320px;
    }

    .hero-content h1 {
        font-size: 24px;
    }

    .hero-content .hero-tag {
        font-size: 12px;
        letter-spacing: 1px;
    }

    .hero-content .hero-keywords {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .hero-content .hero-btns {
        margin-bottom: 24px;
    }

    .hero-feature-item {
        width: calc(50% - 10px);
    }

    .section-title h2 {
        font-size: 22px;
    }

    .section-title p {
        font-size: 14px;
    }

    .stats-grid {
        gap: 20px;
    }

    .stat-item .stat-number {
        font-size: 28px;
    }

    .giftbox-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .btn-lg {
        padding: 12px 28px;
        font-size: 15px;
    }

    .product-gallery .gallery-main {
        height: 240px;
    }

    .map-container {
        height: 240px;
    }

    .footer-bottom .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
}


/* ============================================
   22. Scroll to Top Button
   ============================================ */

.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #8B7355;
    color: #ffffff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(139, 115, 85, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 900;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    background: #705d45;
    transform: translateY(-2px);
}

.scroll-top-btn svg {
    width: 20px;
    height: 20px;
    fill: #ffffff;
}


/* ============================================
   23. Print Styles
   ============================================ */

@media print {
    .site-header,
    .site-footer,
    .scroll-top-btn,
    .mobile-menu,
    .hamburger-btn {
        display: none !important;
    }

    body {
        padding-top: 0;
        color: #000;
        background: #fff;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .card,
    .product-list-card,
    .case-list-card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}


/* ============================================
   22. Page Loader (页面加载动画)
   ============================================ */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #faf6f0 0%, #f5f0e8 100%);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-logo {
    font-size: 42px;
    font-weight: 700;
    color: #8B7355;
    letter-spacing: 2px;
    margin-bottom: 30px;
    animation: loaderPulse 1.5s ease-in-out infinite;
}

@keyframes loaderPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.loader-bar {
    width: 200px;
    height: 3px;
    background: #e8e0d5;
    border-radius: 2px;
    overflow: hidden;
}

.loader-bar-inner {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #8B7355, #C9A96E);
    border-radius: 2px;
    animation: loaderProgress 1.5s ease-out forwards;
}

@keyframes loaderProgress {
    0% { width: 0%; }
    30% { width: 40%; }
    60% { width: 70%; }
    100% { width: 100%; }
}

.loader-text {
    margin-top: 16px;
    font-size: 13px;
    color: #999;
    letter-spacing: 1px;
}


/* ============================================
   23. Image Lazy Loading (图片懒加载)
   ============================================ */
/* 原生 loading=lazy 不强制透明，避免图片一直被灰色底挡住 */
img[loading="lazy"] {
    opacity: 1;
}

.lazy-placeholder {
    background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}


/* ============================================
   24. Enhanced Hover Effects (增强悬停效果)
   ============================================ */

/* 卡片悬停效果 */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

/* 按钮悬停效果 */
.btn-enhance {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-enhance::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

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

/* 图片悬停放大 */
.img-zoom {
    overflow: hidden;
}

.img-zoom img {
    transition: transform 0.5s ease;
}

.img-zoom:hover img {
    transform: scale(1.08);
}

/* 链接下划线动画 */
.link-underline {
    position: relative;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #8B7355;
    transition: width 0.3s ease;
}

.link-underline:hover::after {
    width: 100%;
}


/* ============================================
   25. Staggered Animations (交错动画)
   ============================================ */
.stagger-item {
    opacity: 1;
    transform: none;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 网格项交错延迟 */
.stagger-grid .stagger-item:nth-child(1) { transition-delay: 0.05s; }
.stagger-grid .stagger-item:nth-child(2) { transition-delay: 0.1s; }
.stagger-grid .stagger-item:nth-child(3) { transition-delay: 0.15s; }
.stagger-grid .stagger-item:nth-child(4) { transition-delay: 0.2s; }
.stagger-grid .stagger-item:nth-child(5) { transition-delay: 0.25s; }
.stagger-grid .stagger-item:nth-child(6) { transition-delay: 0.3s; }
.stagger-grid .stagger-item:nth-child(7) { transition-delay: 0.35s; }
.stagger-grid .stagger-item:nth-child(8) { transition-delay: 0.4s; }
.stagger-grid .stagger-item:nth-child(9) { transition-delay: 0.45s; }


/* ============================================
   26. Counter Animation (数字递增动画)
   ============================================ */
.counter {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

.counter-wrapper {
    transition: transform 0.3s ease;
}

.counter-wrapper.bumped {
    transform: scale(1.1);
}


/* ============================================
   27. Smooth Scrollbar (平滑滚动条)
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f5f5f5;
}

::-webkit-scrollbar-thumb {
    background: #c9a96e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8B7355;
}


/* ============================================
   28. Enhanced Transitions (增强过渡效果)
   ============================================ */

/* 透明度渐变 */
.fade-hover {
    transition: opacity 0.3s ease;
}

.fade-hover:hover {
    opacity: 0.85;
}

/* 背景渐变 */
.bg-hover {
    transition: background 0.3s ease;
}

/* 边框渐变 */
.border-hover {
    transition: border-color 0.3s ease;
}

.border-hover:hover {
    border-color: #8B7355;
}


/* ============================================
   29. Parallax Effect (视差效果)
   ============================================ */
.parallax-bg {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

@media (max-width: 768px) {
    .parallax-bg {
        background-attachment: scroll;
    }
}


/* ============================================
   30. Ripple Effect (波纹效果)
   ============================================ */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: rippleAnim 0.6s linear;
    pointer-events: none;
}

@keyframes rippleAnim {
    to {
        transform: scale(4);
        opacity: 0;
    }
}


/* ============================================
   31. Morphing Animation (变形动画)
   ============================================ */
.morph-hover {
    transition: border-radius 0.3s ease, transform 0.3s ease;
}

.morph-hover:hover {
    border-radius: 12px;
    transform: translateY(-4px);
}


/* ============================================
   32. Shine Effect (闪光效果)
   ============================================ */
.shine {
    position: relative;
    overflow: hidden;
}

.shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg) translateX(-100%);
    transition: transform 0.6s ease;
}

.shine:hover::after {
    transform: rotate(30deg) translateX(100%);
}


/* ============================================
   33. Glow Effect (发光效果)
   ============================================ */
.glow-hover {
    transition: box-shadow 0.3s ease;
}

.glow-hover:hover {
    box-shadow: 0 0 20px rgba(139, 115, 85, 0.3);
}


/* ============================================
   34. Text Reveal Animation (文字揭示动画)
   ============================================ */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}

.text-reveal.visible span {
    transform: translateY(0);
}