/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    padding-top: 66px;
    font-family: Poppins-Light,Arial, sans-serif;
    color: #333;
    line-height: 1.6;
}
html,body{font-size: 12px;}
ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}
.text-center{text-align: center;}
@font-face{
    font-family: Poppins-Light;
    src: url(../font/Poppins-Light.otf);
}
@font-face{
    font-family: Poppins-Medium;
    src: url(../font/Poppins-Medium.otf);
}
@font-face{
    font-family: Poppins-SemiBold;
    src: url(../font/Poppins-SemiBold.otf);
}

/* Header & Navigation */
.header {
    top: 0;
    position: fixed;
    width: 100%;
    background: #fff;
    padding: 0 40px;
    height: 66px;
    z-index: 100;
    border-bottom: 1px solid #f0f0f0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 35px;
    width: auto;
}

.nav-menu ul {
    display: flex;
}

.nav-menu a.main-nav-item {
    font-family: Poppins-Medium;
    font-size: 1.15rem;
    color: #262626;
    letter-spacing: 0.5px;
    transition: color 0.3s;
    line-height: 66px;
    display: block;
    padding: 0 25px;
}

.nav-menu a:hover,.nav-menu a.menu-on {
    color: #0056b3;
}


/* =========================================
   Full Width Dropdown Menu (Level 2 & 3)
   ========================================= */

/* --- Level 2 容器 (Products 下面的第一层下拉) --- */
.main-nav-son {
    position: fixed;          /* 固定定位，脱离父级 li 的宽度限制 */
    top: 66px;               /* 对应 header 的高度 (根据原有CSS padding估算) */
    left: 0;
    width: 100%;             /* 满屏宽度 */
    background: #fff;        /* 白色背景 */
    border-top: 1px solid #f0f0f0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    z-index: 90;             /* 保证在内容之上 */
    display: none;           /* 默认隐藏，由JS控制 */
    padding: 0;
}

/* Level 2 列表布局 */
.main-nav-son > ul {
    display: flex;
    justify-content: center; /* 居中对齐所有选项 */
    align-items: center;
    height: 60px;            /* 二级菜单高度 */
    margin: 0 auto;
    max-width: 100%;
}

.main-nav-son > ul > li {
    margin: 0 30px;          /* 选项间距 */
    position: static;        /* 关键：取消 relative，让三级菜单相对于窗口定位 */
    height: 100%;
    display: flex;
    align-items: center;
}

.main-nav-son > ul > li > a {
    font-size: 1.1rem;
    font-weight: 500;
    color: #555;
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

/* Level 2 选中/悬停状态 */
.main-nav-son > ul > li:hover > a,
.main-nav-son > ul > li > a:hover {
    color: #000;
}

/* --- Level 3 容器 (Round welding sink 下面的子菜单) --- */
/* 注意：HTML中它是嵌套在二级li里的，但我们用 fixed 让它视觉上跑到下一行 */
.main-nav-son > ul > li > ul {
    position: fixed;         /* 再次固定定位 */
    top: 126px;              /* Header高度(66) + 二级菜单高度(60) */
    left: 0;
    width: 100%;             /* 满屏宽度 */
    background: #f9f9fa;     /* 浅灰色背景，区分层级 */
    height: 50px;            /* 三级菜单高度 */
    display: none !important;           /* 默认隐藏 */
    justify-content: center; /* 内容居中 */
    align-items: center;
    z-index: 89;             /* 在二级菜单下方 */
    border-bottom: 1px solid #eee;
    box-shadow: 0 5px 10px rgba(0,0,0,0.03);
}

.main-nav-son > ul > li > ul > li {
    margin: 0 20px;
}

.main-nav-son > ul > li > ul a {
    font-size: 13px;
    color: #666;
}

.main-nav-son > ul > li > ul a:hover {
    color: #0056b3;
    text-decoration: underline;
}

.nav-right {
    display: flex;
    align-items: center;
}

.nav-right a {
    margin-left: 20px;
}

.nav-right img {
    height: 20px;
    width: auto;
}

/* Banner Styles */
.banner {
    width: 100%;
    height: calc(100vh - 70px);
    overflow: hidden;
}

.banner-swiper {
    width: 100%;
    height: 100%;
}

.slide-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.slide-content {
    position: absolute;
    bottom: 90px;
    width: 100%;
    display: flex;
    align-items: center;
    padding: 0 90px;
}

.slide-content .container {
    max-width: 50%;
}

.slide-content h1 {
    line-height: 1.1;
    color: #fff;
    margin-bottom: 20px;
    font-family: Poppins-Medium;
    font-size: 4.5rem;
}

.slide-content p {
    color: #fff;
    font-size: 1.5rem;
    max-width: 550px;
    opacity: 0.9;
}


/* --- Search Modal (Line Box Style) --- */
.search-modal {
    display: none; /* 默认隐藏 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999; /* 确保在最顶层 */
}

/* 黑色透明背景 */
.search-modal-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85); /* 85% 透明度黑色 */
    cursor: pointer;
}

/* 居中容器 */
.search-box-wrap {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 800px;
    z-index: 2;
}

/* 线性表单样式 */
.line-search-form .input-group {
    position: relative;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3); /* 默认下划线颜色 */
    display: flex;
    align-items: center;
    transition: border-color 0.3s;
}

/* 聚焦时下划线变亮 */
.line-search-form .input-group:focus-within {
    border-bottom-color: #fff;
}

/* 输入框样式 */
.line-search-input {
    width: 100%;
    background: transparent;
    border: none;
    height: 70px;
    line-height: 70px;
    font-size: 30px;
    color: #fff;
    font-family: Poppins-Light, Arial, sans-serif;
    outline: none;
    padding: 0 10px;
}

.line-search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
    font-size: 24px;
}

/* 搜索按钮样式 */
.line-search-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0 15px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.line-search-btn:hover {
    opacity: 1;
}

.line-search-btn img {
    width: 30px;
    height: auto;
    filter: invert(1); /* 将黑色图标反转为白色 */
}

/* 底部提示文字 */
.close-tips {
    color: rgba(255,255,255,0.4);
    text-align: center;
    margin-top: 20px;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

/* Swiper Pagination Customization */
.banner .swiper-pagination{bottom: 20px;}
.banner .swiper-pagination .swiper-pagination-bullet{margin: 0 6px;}
.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #fff;
    opacity: 0.5;
    transition-duration: 350ms;
    border-radius: 12px;
}

.swiper-pagination-bullet-active {
    width: 50px;
    opacity: 1;
    background: #fff;
}

/* Container */
.container-full {
    width: 100%;
    padding: 0 90px;
}

/* Standard Intro */
.standard-intro {
    padding: 120px 0;
    text-align: center;
}

.standard-intro .sub-title {
    color: #777;
    font-size: 1.5rem;
    display: block;
    margin-bottom: 20px;
}

.standard-intro .main-title {
    font-family: Poppins-Medium;
    color: #262626;
    font-size: 4rem;
    line-height: 1.3;
}

.standard-intro .title-line {
    width: 90px;
    height: 3px;
    background: #333;
    margin: 50px auto 0;
}

/* Handmade Feature */
.handmade-feature {
    margin-bottom: 40px;
}

.feature-img-box {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.feature-img-box img {
    width: 100%;
    transition: transform 0.5s;
}

.feature-img-box:hover img {
    transform: scale(1.02);
}

.feature-text {
    position: absolute;
    bottom: 90px;
    left: 90px;
    color: #fff;
}

.feature-text h3 {
    font-size: 3.5rem;
    line-height: 1.4;
}

.feature-text p {
    font-size: 1.5rem;
    opacity: 0.8;
}

/* Product Grid */
.product-grid {
    padding-bottom: 100px;
}

.grid-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    justify-content: space-between;
    gap: 50px 30px;
}

.product-item {
    width: 100%;
    /* 新增：添加过渡，让上浮和阴影平滑 */
    
    
}
/* ================= 产品列表页侧边栏布局 ================= */

/* 1. 整体左右布局 */
.product-layout {
    display: flex;
    gap: 60px; /* 左侧栏与右侧内容的间距 */
    align-items: flex-start;
}

/* 左侧边栏宽度 */
.product-sidebar {
    width: 280px;
    flex-shrink: 0; /* 防止被挤压 */
}

/* 右侧内容自适应 */
.product-content {
    flex: 1;
}

/* 列表顶部标题 */
.list-header h2 {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 3rem;
    color: #000;
    margin-bottom: 40px;
}

/* 覆盖原有的 grid-row，改为3列显示以适应加了侧边栏后的宽度 */
.product-content .grid-row {
    grid-template-columns: repeat(3, 1fr); 
}


/* ================= 侧边栏组件样式 ================= */

/* --- 搜索框 --- */
.sidebar-search {
    position: relative;
    margin-bottom: 40px;
    border: 1px solid #000;
    height: 50px;
    display: flex;
    align-items: center;
    padding: 0 15px;
}

.side-search-input {
    width: 100%;
    border: none;
    outline: none;
    font-size: 14px;
    font-family: 'Poppins-Light', sans-serif;
    background: transparent;
    color: #333;
}

.side-search-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.side-search-btn img {
    width: 18px;
    height: auto;
}

/* --- 筛选组通用 --- */
.filter-group {
    margin-bottom: 35px;
}

.filter-title {
    font-family: 'Poppins-SemiBold', sans-serif;
    font-size: 1.6rem;
    color: #000;
    margin-bottom: 15px;
    font-weight: bold;
}

/* --- 目录按钮 (Catalogue Grid) --- */
.cat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* 两列 */
    gap: 10px;
}

.cat-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    border: 1px solid #000;
    padding: 10px 5px;
    font-size: 1rem;
    font-weight: bold;
    color: #000;
    text-decoration: none;
    transition: all 0.3s;
    min-height: 40px;
    line-height: 1.2;
}

.cat-btn:hover,.cat-btn.menu-on {
    background: #000;
    color: #fff;
}

/* --- 复选框列表 (Checkboxes) --- */
.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-transform: capitalize;
}

/* 双列布局的复选框 (Material, Finish 等) */
.checkbox-list.two-cols {
    flex-direction: row;
    flex-wrap: wrap;
}

.checkbox-list.two-cols .check-item {
    width: 50%; /* 各占一半 */
}

/* 复选框项 */
.check-item {
    display: flex;
    cursor: pointer;
    font-size: 1rem;
    color: #333;
    user-select: none;
}

.check-item input[type="checkbox"] {
    appearance: none; /* 清除默认样式 */
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid #999;
    border-radius: 2px;
    margin-top: 2px;
    margin-right: 10px;
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
}

/* 选中状态 */
.check-item input[type="checkbox"]:checked {
    background-color: #000;
    border-color: #000;
}

/* 选中后的对勾图标 */
.check-item input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.check-item:hover {
    color: #000;
}


/* 确保链接块状显示，撑满容器 */
.product-item a {
    display: block;
    transition: all 0.4s ease;
    text-decoration: none;
    color: inherit;
    border-radius: 4px; /* 可选：轻微圆角让阴影更好看 */
    position: relative;
}

.product-img {
    background: #fff;
    border: 1px solid #f1f1f1;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    aspect-ratio: 1/1;
    /* 新增：关键属性，隐藏图片放大后的溢出部分 */
    overflow: hidden;
}

.product-img img {
    max-width: 75%;
    max-height: 75%;
    height: auto;
    /* 新增：图片缩放过渡 */
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
}

/* 左右信息栏添加过渡 */
.info-left, 
.info-right {
    transition: transform 0.4s ease;
}
.product-item .product-img-two{opacity: 0;position: absolute;top: 0;left: 0;width: 100%;transition-duration: 500ms;}

/* ================= 鼠标悬停效果 (Hover) ================= */

/* 1. 整体上浮 + 阴影 */
.product-item:hover a{
    transform: translateY(-10px); /* 向上浮动 10px */
    box-shadow: 0 15px 30px rgba(0,0,0,0.1); /* 添加柔和阴影 */
}

/* 2. 图片背景轻微变深 + 图片放大 */
.product-item:hover .product-img {
    /*background: #e8e8e8; /* 背景稍微变深一点点 */*/
}

.product-item:hover .product-img img {
    transform: scale(1.08); /* 图片放大 1.08倍 */
}
.product-item a:hover .product-img-two{opacity: 1;}

/* 可选：箭头变色增强互动感 */
.product-item:hover .arrow-btn {
    background: #000; /* 假设原箭头背景是透明或浅色 */
}

.info-left h4 {
    font-family: Poppins-SemiBold;
    color: #262626;
    font-size: 2.2rem;
    line-height: 1.4;
}

.info-left p {
    color: #999;
    font-size: 1.5rem;
}

.arrow-btn {
    width: 35px;
    height: 35px;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.arrow-btn:hover {
    background: #333;
}

.arrow-btn img {
    width: 15px;
}

/* Industrial Standard */
.industrial-standard {
    padding: 120px 0 0;
    background: #f8f9fa;
}

.industrial-standard .section-header {
    margin-bottom: 90px;
    text-align: left;
    padding: 0 90px;
    color: #262626;
}

.industrial-standard .title {
    font-family: Poppins-Medium;
    font-size: 4rem;
    letter-spacing: 5px;
    font-weight: bold;
}

.industrial-standard .subtitle {
    
    font-size: 1.5rem;
    margin-bottom: 25px;
}

.industrial-standard .header-line {
    width: 120px;
    height: 2px;
    background: #262626;
}

.standard-grid {
    display: flex;
    gap: 0;
}

.standard-item {
    position: relative;
    width: 50%;
    overflow: hidden;
}

.standard-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s;
}

.standard-item:hover img {
    transform: scale(1.05);
}

.standard-item .item-overlay {
    position: absolute;
    bottom: 40px;
    left: 40px;
    right: 40px;
    color: #fff;
}

.standard-item h3 {
    font-size: 4rem;
    font-family: Poppins-Medium;
    margin-bottom: 10px;
    line-height: 1.4;
}

.standard-item p {
    opacity: 0.8;
    line-height: 1.4;
    max-width: 500px;
    font-size: 1.4rem;
}

/* Concept & Innovation */
.concept-innovation {
    padding: 100px 0 200px;
    background: #fff;
}

.concept-header {
    text-align: center;
    margin-bottom: 120px;
}

.concept-header .vertical-line {
    width: 2px;
    height: 100px;
    background: #333;
    margin: 0 auto 30px;
}

.concept-header .title {
    letter-spacing: 5px;
    font-family: Poppins-Medium;
    font-size: 4rem;
}

.concept-content {
    display: flex;
    gap: 30px;
}

.concept-left {
    flex: 2;
}

.concept-left img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.concept-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.concept-info-box {
    background: #f3f4f6;
    padding: 60px 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.concept-info-box h3 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.concept-info-box p {
    color: #4d5965;
    font-size: 1.5rem;
}
.concept-info-box a{font-size: 1.4rem;margin-top: 40px;}
.rd-link {
    font-weight: bold;
    text-decoration: underline;
    color: #333;
}

.concept-small-img img {
    width: 100%;
}

/* Essential Accessories */
.essential-accessories {
    padding: 140px 0 150px;
    background: #f8f9fb;
}

.essential-accessories .section-header {
    margin-bottom: 70px;
}

.essential-accessories .title {
    font-size: 4rem;
    color: #000;
}

.essential-accessories .subtitle {
    font-size: 2rem;
    color: #4d5965;
}

.accessory-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    justify-content: space-between;
    gap: 20px;
}

.accessory-item {
    background: #fff;
    border: 1px solid #f2f2f2;
    transition: all 0.3s ease;
}

.accessory-item:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: #eee;
}

.accessory-img {
    background: #fcfcfc;
    aspect-ratio: 1/1;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    padding: 30px;
}

.accessory-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.accessory-info {
    padding: 25px 30px;
    position: relative;
}

.accessory-info h4 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #000;
}

.accessory-info p {
    color: #727986;
    font-size: 1.4rem;
    line-height: 1.5;
    margin-bottom: 20px;
}

.plus-btn {
    width: 38px;
    height: 38px;
    line-height: 36px;
    border: 1px solid #ddd;
    border-radius: 50%;
    display: inline-block;
    text-align: center;
    color: #000;
    font-size: 2rem;
    transition: all 0.3s;
}

.plus-btn:hover {
    background: #000;
    color: #fff;
    border-color: #000;
}

/* Advanced Production Flows */
.production-flows {
    padding: 190px 0;
    background: #fff;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.production-flows::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 65%;
    height: 100%;
    background: #eef2fe;
    clip-path: polygon(20% 0%, 100% 0%, 100% 100%, 0% 100%);
    z-index: -1;
}

.flow-content {
    display: flex;
    align-items: center;
}

.flow-left {
    flex: 1.2;
}

.main-flow-img {
    width: 100%;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.main-flow-img img {
    width: 100%;
    height: auto;
    display: block;
}

.flow-right {
    flex: 1;
    padding-left: 80px;
}

.flow-text-wrap .badge {
    background: #1a237e;
    color: #fff;
    padding: 6px 16px;
    font-weight: bold;
    display: inline-block;
    font-size: 1.5rem;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.flow-text-wrap .title {
    font-size: 6rem;
    line-height: 1.15;
    margin-bottom: 45px;
    color: #000;
}

.flow-item {
    display: flex;
    margin-bottom: 35px;
}

.flow-icon {
    width: 80px;
    height: 80px;
    background: #fff;
    box-shadow: 0 10px 25px rgba(0,0,0,0.06);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    margin-right: 25px;
}

.flow-icon img {
    width: 40px;
    height: auto;
}

.flow-info h3 {
    font-size: 2.5rem;
    line-height: 1;
    margin-bottom: 1rem;
    color: #000;
}

.flow-info p {
    color: #4d5965;
    font-size: 1.5rem;
}

/* Engineering Excellence */
.engineering-excellence {
    padding: 150px 0 500px;
    background: #fff;
    background-image: url('/template/images/engineering_bg.jpg');
    background-size: 100%;
    background-position: center bottom;
    background-repeat: no-repeat;
}

.eng-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 100px;
}

.eng-text {
    flex: 1;
}

.eng-title {
    font-family: Poppins-SemiBold;
    font-size: 5rem;
    color: #1a237e;
    line-height: 1.2;
    margin-bottom: 50px;
}

.eng-text p {
    font-size: 2rem;
    color: #232323;
    margin-bottom: 20px;
    line-height: 1.8;
}

.eng-logos {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 80px;
    padding-top: 100px;
}

.logo-row {
    display: flex;
    gap: 25px;
    align-items: center;
}

.eng-logos img {
    width: auto;
    object-fit: contain;
}

/* Inspiration Gallery */
.inspiration-gallery {
    padding: 140px 0 0;
}

.inspiration-gallery .section-header {
    margin-bottom: 100px;
}

.inspiration-gallery .index-title {
    letter-spacing: 5px;
    font-family: Poppins-Medium;
    font-size: 4rem;
    color: #262626;
}
.inspiration-gallery .index-subtitle {
    font-size: 2rem;
    color: #b7babe;

}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
}

.gallery-left {
    flex: 1.5;
}

.gallery-left img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #ddd;
    min-height: 500px;
}

.gallery-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.gallery-right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #ddd;
    min-height: 240px;
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background-color: #fff;
    background-size: cover;
    background-position: center;
    color: #000;
}

.cta-section .index-title {
    font-family: Poppins-SemiBold;
    font-size: 6rem;
    color: #000;
}

.cta-section .index-subtitle {
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #666;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.cta-btns a {
    font-size: 1.5rem;
    padding: 15px 80px;
    line-height: 48px;
    font-family: Poppins-SemiBold;
    display: inline-block;
    transition: all 0.3s;
}

.btn-white {
    background: #000;
    color: #fff;
}

.btn-white:hover {
    background: #333;
}

.btn-outline {
    border: 1px solid #000;
    color: #000;
}

.btn-outline:hover {
    background: #000;
    color: #fff;
}

/* Footer */
.footer {
    padding: 80px 0 30px;
    background: #1a237e;
    color: #7e83b5;
}
.footer p,.footer a {
    font-size: 1.3rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-brand {
    flex: 1;
    padding-right: 100px;
}

.footer-logo {
    height: 55px;
    margin-bottom: 30px;
}

.footer-brand p {
    opacity: 0.7;
    line-height: 1.8;
    margin-bottom: 30px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links img {
    width: 25px;
}

.footer-links {
    flex: 2;
    display: flex;
    justify-content: space-between;
}

.link-col h4 {
    margin-bottom: 25px;
    font-size: 1.7rem;
    color: #fff;
    font-family: Poppins-SemiBold;
}

.link-col ul li {
    margin-bottom: 5px;
}

.link-col ul a {
   transition-duration: 350ms;
   display: block;
}

.link-col ul a:hover {
    opacity: 1;
    color: #fff;
}

.contact-info p {
    line-height: 1.8;
    margin-bottom: 15px;
}

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}
.footer-bottom p{font-size: 1.1rem;color: #6068b2;}




/* =========================================
   Pagination / Page List Styles
   ========================================= */

/* 翻页容器 */
.page-list {
    text-align: center;      /* 居中显示 */
    margin: 0 auto;  /* 上下留白 */
    font-size: 0;            /* 消除 inline-block 间隙 */
}

/* 列表项 */
.page-list li {
    display: inline-block;
    vertical-align: middle;
    margin: 0 5px;           /* 按钮之间的间距 */
    font-size: 1.2rem;         /* 恢复字体大小 */
}

/* 通用链接和文本样式 */
.page-list li a,
.page-list li span {
    display: inline-block;
    border: 1px solid #ddd;  /* 默认灰色边框 */
    color: #666;             /* 默认文字颜色 */
    background: #fff;        /* 白色背景 */
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 2px;
    width: 38px;
    height: 38px;
    line-height: 36px;
    text-align: center;
    font-size: 1.4rem;
    font-family: Poppins-Medium, Arial, sans-serif;
}

/* 链接悬停效果 */
.page-list li a:hover {
    border-color: #000;      /* 悬停时边框变黑 */
    background: #000;        /* 背景变黑 */
    color: #fff;             /* 文字变白 */
}

/* 当前页样式 (.thisclass) */
.page-list li.thisclass a,
.page-list li.thisclass span {
    background: #000;        /* 黑色背景 */
    border-color: #000;      /* 黑色边框 */
    color: #fff;             /* 白色文字 */
    cursor: default;         /* 当前页不可点击 */
}

/* 特殊按钮微调 (上一页/下一页/首页/末页) */
.page-list li a.i,
.page-list li.n a,.page-list li.p a,
.page-list li a.e {
    font-family: Arial, serif; /* 符号使用 Arial 渲染更好看 */
    line-height: 38px;
}

/* 统计信息样式 (.pageinfo) */
/* 针对 "共 1 页 / 4 条数据" 这种纯文本 */
.page-list li span.pageinfo {
    border: none;            /* 去除边框 */
    background: transparent; /* 透明背景 */
    color: #999;             /* 浅灰色文字 */
    cursor: default;
    padding: 0 10px;
    font-size: 1.4rem;
    width: auto;
    font-family: Poppins-Light;
}



/* ================= Product Detail Page Styles ================= */

.product-detail-wrap {
    padding-top: 40px;
    padding-bottom: 80px;
}

/* 面包屑微调 */
.breadcrumb-nav {
    margin-bottom: 40px;
    font-size: 1.1rem;
    color: #999;
}
.breadcrumb-nav a {
    color: #666;
}

/* 主布局：左右结构 */
.product-view {
    display: flex;
    gap: 60px; /* 左右间距 */
    align-items: flex-start;
}

/* --- 左侧相册 (Gallery) --- */

.gallery-section {
    flex: 1.2;
    display: flex;
    width: 50%;
    height: 500px; /* 固定高度以支持垂直缩略图 */
    gap: 20px;
}

/* 缩略图区域 */
.gallery-thumbs {
    width: 118px; /* 缩略图列宽 */
    height: 100%;
    margin: 0 !important; /* 覆盖swiper默认margin */
}

.gallery-thumbs .swiper-slide {
    width: 100%;
    height: auto;
    opacity: 0.4;
    cursor: pointer;
    border: 1px solid #ccc;
    transition: all 0.3s;
}

.gallery-thumbs .swiper-slide-thumb-active {
    opacity: 1;
    border-color: #000; /* 选中时边框 */
}


.gallery-thumbs img {
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
}

/* 大图区域 */
.gallery-top {
    flex: 1;
    height: 100%;
    background: #fff; /* 大图背景灰 */
    border: 1px solid #f8f8f8;
}
.gallery-section .swiper-slide{display: flex;justify-content: center;align-items: center;padding: 5px;border-radius: 3px;}
.gallery-top img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain; /* 保持比例完整显示 */
}


/* --- 右侧信息 (Info) --- */
.info-section {
    flex: 1;
    padding-top: 20px;
}

.sub-category {
    font-size: 1.3rem;
    color: #666;
    display: block;
    margin-bottom: 10px;
}

.product-title {
    font-family: 'Poppins-SemiBold';
    font-size: 3rem;
    color: #262626;
    line-height: 1.2;
    margin-bottom: 10px;
}
/* 标题和分享图标的包裹层 */
.title-share-wrapper {
    display: flex;
    justify-content: space-between; /* 标题靠左，图标靠右 */
    align-items: center; /* 垂直居中 */
    gap: 20px; /* 标题和图标之间的间距 */
    margin-bottom: 25px; /* 替换原 .product-title 的 margin-bottom */
}

/* 覆盖原有的 margin-bottom */
.product-title {
    margin-bottom: 0; 
    flex: 1; /* 让标题占据剩余空间 */
}

/* 图标组容器 */
.share-icons {
    display: flex;
    gap: 12px; /* 图标之间的间距 */
    flex-shrink: 0; /* 防止图标被挤压 */
}

/* 单个图标链接 */
.share-btn {
    display: block;
    width: 32px;  /* 根据您的图片实际大小调整 */
    height: 32px;
    transition: transform 0.3s, opacity 0.3s;
}

.share-btn img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 悬停效果 */
.share-btn:hover {
    transform: translateY(-3px); /* 轻微上浮 */
    opacity: 0.8;
}
.product-code {
    font-size: 1.1rem;
    color: #999;
    margin-bottom: 30px;
}

/* 标题下的分割线 (图中的虚线或留白，这里用留白处理) */
.info-divider {
    height: 1px;
    margin-bottom: 40px;
}

.spec-header {
    font-family: 'Poppins-Medium';
    font-size: 1.5rem;
    color: #000;
    margin-bottom: 25px;
}


/* --- 2. 相关产品轮播样式 --- */

/* 重置原有的 Grid 布局，让 Swiper 接管 */
.related-grid-swiper {
    display: flex; /* Swiper 需要 flex 布局 */
    gap: 0; /* Swiper 通过 spaceBetween 控制间距 */
    margin: 0;
    padding: 0;
}

.related-item.swiper-slide {
    height: auto; /* 确保高度自适应 */
    /* 移除原来可能的 margin-bottom */
    margin-bottom: 0; 
}

/* 调整 Swiper 容器内边距，防止箭头挡住内容 */
.related-swiper {
    padding: 20px 5px 40px; /* 底部留出空间，如果需要分页器的话 */
    position: relative;
}

/* 自定义导航箭头样式 */
.related-prev,
.related-next {
    width: 40px;
    height: 40px;
    background-color: #fff; /* 白色背景 */
    border-radius: 50%; /* 圆形 */
    box-shadow: 0 4px 12px rgba(0,0,0,0.1); /* 阴影 */
    color: #333; /* 箭头颜色 */
    transition: all 0.3s;
    top: 55%; /* 稍微调整垂直位置 */
}

/* 箭头图标大小调整 */
.related-prev::after,
.related-next::after {
    font-size: 18px;
    font-weight: bold;
}

.related-prev {
    left: -50px; /* 向左移出一点 */
}

.related-next {
    right: -50px; /* 向右移出一点 */
}

/* 悬停效果 */
.related-prev:hover,
.related-next:hover {
    background-color: #2c65f5; /* 品牌色 (根据您网站风格调整) */
    color: #fff;
}
/* 如果第一页或最后一页禁用状态 */
.swiper-button-disabled {
    opacity: 0.3;
    cursor: auto;
    pointer-events: none;
}

/* --- 参数列表样式 (模仿图片中的 Table 结构) --- */
.spec-list {
    border-top: 1px solid #e0e0e0; /* 顶部分割线 */
}

.spec-row {
    display: flex;
    padding: 15px 0; /* 上下内边距 */
    border-bottom: 1px solid #e0e0e0; /* 底部分割线 */
    align-items: center;
    transition: background 0.3s;
}

.spec-row:hover {
    background: #fcfcfc; /* 鼠标悬停轻微变色 */
}

.spec-label {
    width: 35%; /* 左列宽度 */
    font-family: 'Poppins-Medium', Arial, sans-serif;
    color: #262626;
    font-size: 1.3rem;
    font-weight: 600; /* 加粗标签 */
}

.spec-value {
    width: 65%; /* 右列宽度 */
    color: #666;
    font-size: 1.3rem;
}

/* 按钮样式 */
.product-actions {
    margin-top: 50px;
}

.btn-black {
    display: inline-block;
    background: #000;
    color: #fff;
    padding: 12px 40px;
    font-family: 'Poppins-Medium', sans-serif;
    font-size: 1.1rem;
    transition: background 0.3s;
}

.btn-black:hover {
    background: #333;
}
/* ================= Related Products Styles ================= */

.related-section {
    margin-top: 100px; /* 与上方详情页拉开距离 */
    padding-top: 60px;
    border-top: 1px solid #f0f0f0; /* 可选：顶部加一条淡分割线 */
}

.related-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 32px;
    color: #000;
    margin-bottom: 40px;
    text-align: left; /* 标题居左，如需居中改为 center */
}

.related-grid {
    display: grid;
    /* 核心布局：4列等宽，间距20px */
    grid-template-columns: repeat(4, 1fr); 
    gap: 30px 20px; /* 行间距30px，列间距20px */
}

/* 复用并覆盖 product-item 的宽度设置 */
.related-grid .product-item {
    width: 100% !important; /* 强制撑满网格单元 */
}

/* 确保图片容器比例一致 */
.related-grid .product-img {
    aspect-ratio: 1/1;
    background: #f9f9f9;
}

.related-grid .info-left h4{font-size: 2rem;}
.related-grid .info-left p{font-size: 1.3rem;}

/* ================= 模块一：全球制造标准 (新版) ================= */

.section-global-mfg {
    padding-top: 100px; /* 顶部留白 */
    background: #fff;   /* 背景纯白 */
    overflow: hidden;
}

/* --- 文字部分 --- */
.mfg-text-wrap {
    max-width: 1000px;
    margin: 0 auto; /* 底部留出 50px 间距给图片 */
    text-align: center;
}

.mfg-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 6rem;
    line-height: 1.25;
    margin-bottom: 25px;
    font-weight: bold;
    
    /* --- 核心修改：45度文字渐变 --- */
    /* 渐变方向 45deg，颜色从 #2563eb 到 #00b2d2 */
    background: linear-gradient(45deg, #2563eb, #00b2d2);
    
    /* 将背景裁剪为文字形状 */
    -webkit-background-clip: text;
    background-clip: text;
    
    /* 让文字填充变透明，从而显示出背景的渐变 */
    -webkit-text-fill-color: transparent;
    color: #2563eb; /* 兼容性回退颜色 */
}

.mfg-desc {
    padding: 0 100px;
    font-size: 1.5rem;
    color: #666;           /* 灰色描述文字 */
    line-height: 1.6;
    margin: 0 auto;        /* 居中 */
}

/* --- 图片部分 --- */
.mfg-image-wrap {
    width: 100%;           /* 容器满宽 */
    font-size: 0;          /* 消除图片底部的幽灵间隙 */
}

.full-screen-img {
    width: 100%;           /* 关键：图片强制满屏宽 */
    height: auto;          /* 高度自适应 */
    display: block;
    object-fit: cover;     /* 保持比例填充 */
}

/* ================= 模块二：关于我们 (完整样式) ================= */

.section-about-gradient {
    padding: 100px 0;
    background: #fff;
    overflow: hidden;
}

.about-grad-wrap {
    display: flex;
    align-items: center; /* 垂直居中 */
    justify-content: space-between;
    gap: 90px; /* 左右间距 */
}

/* --- 左侧文字 --- */
.grad-text-col {
    flex: 1;
    max-width: 50%;
}

.grad-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 4rem;
    line-height: 1.15;
    color: #000;
    margin-bottom: 35px;
    font-weight: bold;
}

/* 蓝色渐变文字 */
.txt-gradient-blue {
    background: linear-gradient(135deg, #2c65f5 0%, #1a4bd0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* 绿色渐变文字 */
.txt-gradient-green {
    background: linear-gradient(135deg, #00a855 0%, #008a44 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* 文字列表项 */
.grad-item {
    margin-bottom: 25px;
}
.grad-item:last-child {
    margin-bottom: 0;
}
.grad-item h3 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #222;
    margin-bottom: 5px;
    font-family: 'Poppins-Medium', sans-serif;
}
.grad-item p {
    font-size: 1.4rem;
    line-height: 1.6;
    color: #666;
    margin: 0;
}
.grad-item p strong {
    color: #000;
    font-family: Poppins-Medium;
}

/* --- 右侧轮播图 --- */
.grad-img-col {
    flex: 1.2; /* 图片区域稍宽 */
    width: 50%;
}

.about-swiper {
    width: 100%;
    height: 100%;
    min-height: 450px; /* 设定最小高度 */
    border-radius: 4px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08); /* 整体阴影 */
    overflow: hidden;
}

.about-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 自动裁剪填满 */
    display: block;
}

/* 轮播分页点样式 */
.about-swiper .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: #fff;
    opacity: 0.5;
    margin: 0 6px !important;
}
.about-swiper .swiper-pagination-bullet-active {
    opacity: 1;
    background: #2c65f5; /* 选中变蓝 */
    width: 25px; /* 选中拉长 */
    border-radius: 5px;
    transition: width 0.3s;
}

/* ================= 模块三：时间里程碑样式 ================= */

.section-milestone {
    padding: 100px 0;
    /* 背景图设置 */
    background: url('/template/images/about_box3_bg.jpg') no-repeat center center;
    background-size: cover;
    color: #fff;
    position: relative;
}

/* 头部文字 */
.milestone-header {
    margin-bottom: 60px;
    padding: 0 20px;
}

.ms-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 4rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.ms-subtitle {
    font-size: 1.6rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 轮播容器 */
.milestone-content {
    position: relative;
    padding: 0 60px; /* 给左右按钮留出空间 */
    max-width: 1600px; /* 限制最大宽度，防止在大屏太散 */
    margin: 0 auto;
}
.milestone-content .swiper{padding: 20px 0;}

/* 单个卡片样式 */
.ms-card {
    background: #fff;
    color: #333;
    padding: 40px 25px;
    text-align: center;
    height: 370px; /* 固定高度，保证整齐 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s;
    /* 简单的悬停效果 */
    cursor: default;
}

.ms-card:hover {
    transform: translateY(-10px);
}

.ms-year {
    font-family: 'Poppins-SemiBold', sans-serif;
    font-size: 3.2rem;
    font-weight: bold;
    color: #000;
    margin-bottom: 15px;
}

.ms-card-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #000;
}

.ms-card-desc {
    font-size: 1.3rem;
    color: #666;
    line-height: 1.5;
}

/* 自定义 Swiper 导航按钮 (白色圆形) */
.ms-btn-prev, .ms-btn-next {
    width: 50px;
    height: 50px;
    background: #fff;
    border-radius: 50%;
    color: #002c5f; /* 箭头颜色：深蓝 */
    transition: all 0.3s;
}

.ms-btn-prev::after, .ms-btn-next::after {
    font-size: 1.6rem;
    font-weight: bold;
}

.ms-btn-prev:hover, .ms-btn-next:hover {
    background: #00bcd4; /* 悬停变成青色 */
    color: #fff;
}

/* 修正按钮位置 */
.ms-btn-prev { left: 0; }
.ms-btn-next { right: 0; }

/* ================= 模块四：企业数据 (Numbers) ================= */

.section-numbers {
    padding: 100px 0;
    background: #fff;
}

.numbers-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 80px;
}

/* --- 左侧文字 --- */
.num-text-col {
    flex: 0 0 40%; /* 占约 35% 宽度 */
}

.num-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 3.5rem;
    line-height: 1.2;
    color: #000;
    margin-bottom: 30px;
    font-weight: bold;
}

.num-desc {
    font-size: 1.3rem;
    color: #666;
    line-height: 1.8;
}

/* --- 右侧数据网格 --- */
.num-grid-col {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3列布局 */
    gap: 50px 30px; /* 行间距 50px，列间距 30px */
}

.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-right: 40%;
}

.stat-item:nth-child(n+4){margin-left: 40%;margin-right: 0;}
/* 图标容器 */
.stat-icon {
    width: 70px;
    height: 70px;
    background: #f8f9fa; /* 浅灰底 */
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    color: #94a3b8; /* 默认图标颜色 (Slate-400) */
}

/* SVG 尺寸 */
.stat-icon svg {
    width: 32px;
    height: 32px;
}

/* 悬停效果：图标变色 */
.stat-item:hover .stat-icon {
    background: #000;
    color: #fff;
    transform: translateY(-5px);
}

/* 数字样式 */
.stat-value {
    font-family: 'Poppins-SemiBold', sans-serif;
    font-size: 3.5rem;
    font-weight: bold;
    color: #000;
    line-height: 1;
    margin-bottom: 10px;
}

/* 标签样式 */
.stat-label {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 5px;
    text-transform: uppercase;
}

/* 副标签样式 */
.stat-sub {
    font-size: 1rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
}


/* ================= 模块五：管理体系与认证样式 ================= */

.section-cert {
    padding: 100px 0;
    background-color: #f8f9fb; /* 指定的浅灰背景色 */
}

/* 头部文字 */
.cert-header {
    margin-bottom: 70px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cert-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 3.5rem;
    color: #262626;
    margin-bottom: 20px;
    font-weight: bold;
}

.cert-desc {
    font-size: 1.3rem;
    color: #666;
    line-height: 1.6;
}

/* 图标网格布局 */
.cert-grid {
    display: flex;
    justify-content: space-between; /* 两端对齐，中间自动间隔 */
    align-items: center; /* 垂直居中 */
    flex-wrap: wrap; /* 允许换行 */
    gap: 40px; /* 图标之间的最小间距 */
}

.cert-item {
    flex: 1; /* 让每个图标平分空间 */
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 120px; /* 防止在小屏上挤得太小 */
    transition: transform 0.3s ease;
}

/* 简单的悬停上浮效果 */
.cert-item:hover {
    transform: translateY(-5px);
}

.cert-item img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}




/* 新闻网格布局 */
.news-grid {
    display: grid;
    gap: 30px; /* 图片间距 */
    grid-template-columns: repeat(3, 1fr);
}

/* 新闻项样式 */
.news-item {
    width: 100%; /* 确保三列等宽并留有间距 */
    overflow: hidden;
    transition-duration: 350ms;
}

.news-image {
    height: 280px; /* 根据图片高度估算 */
    overflow: hidden;
    position: relative;
}
.news-image::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: #1a237e;
    opacity: 0;
    transition-duration: 350ms;
}
.news-image em{z-index: 3;opacity: 0;transition-duration: 350ms;
color: #fff;font-size: 2rem;position: absolute;bottom: 20px;left: 20px;width: calc(100% - 40px);}
.news-item:hover .news-image::after{opacity: 0.8;}
.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.news-item:hover{
    box-shadow: 0 4px 12px rgba(0,0,0,0.1); /* 悬停时出现阴影 */
}
.news-item:hover .news-image em{opacity: 1;}

.news-info {
    padding: 20px;
    text-align: center;
}

.news-info h4 {
    font-size: 18px;
    font-weight: normal;
    color: #000;
}

.news-info p {
    font-size: 14px;
    color: #888;
}


.news-menu{padding-bottom: 60px;text-align: center;}
.news-menu li{display: inline-block;margin: 0 20px;}
.news-menu li a{
    display: block;
    font-size: 3rem;
    text-decoration: none;
    color: #000;
    border-bottom: 2px solid #000;
    padding: 10px 15px;
    line-height: 1.5;
    transition: color 0.35s ease;
    position: relative;
}
.news-menu li a::after{
    content: '';
    position: absolute;
    bottom: -2px;
    right: 0;
    width: 0;
    height: 5px;
    background: #0056b3;
    transition-duration: 350ms;
}
.news-menu li a:hover,.news-menu li.cur a{color: #0056b3;}
.news-menu li a:hover::after,.news-menu li.cur a::after{
    width: 100%;
    left: 0;
}
/* ================= 工厂页面 (Workshop Tour) 实图版样式 ================= */

.factory-banner {
    position: relative; /* 作为定位基准 */
    width: 100%;
    line-height: 0;     /* 消除图片底部的幽灵间隙 */
    overflow: hidden;
}

/* 图片样式：宽度撑满，高度自动 */
.banner-img {
    width: 100%;
    height: auto;       /* 关键：高度随宽度等比缩放 */
    display: block;
}

/* 遮罩层：绝对定位填满整个容器 */
.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3); /* 30% 黑色半透明 */
    z-index: 1;
}

/* 文字容器：绝对定位实现水平垂直居中 */
.banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* 精确居中 */
    z-index: 2;
    width: 100%; /* 防止文字换行不可控 */
    text-align: center;
}

.banner-text h1 {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 4rem;
    color: #fff;
    font-weight: bold;
    letter-spacing: 2px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
    margin: 0;
    line-height: 1.2;
}
/* ================= 工厂车间模块样式 (1-10) ================= */

.workshop-section {
    padding: 100px 0;
    overflow: hidden;
}

/* 背景色定义 */
.bg-white {
    background-color: #ffffff;
}
.bg-grey {
    background-color: #efefef;
}

/* 布局容器 Flexbox */
.ws-box {
    display: flex;
    gap: 80px; /* 图文间距 */
    width: 100%;
}

/* 垂直居中对齐 (默认) */
.align-center {
    align-items: center;
}

/* 底部对齐 (用于模块1) */
.align-bottom {
    align-items: flex-end; /* 内容底部对齐 */
    padding-bottom: 20px;
}

/* 图片区域 */
.ws-img {
    flex: 1.2; /* 图片稍大 */
}

.ws-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* 文字区域 */
.ws-text {
    flex: 1;
}

/* 标题样式 */
.ws-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 4rem;
    color: #000;
    margin-bottom: 30px;
    line-height: 1.2;
}

/* 列表样式 */
.ws-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* 双列布局 */
.ws-list.two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px 30px; /* 行间距15px, 列间距30px */
}

.ws-list li {
    font-size: 1.4rem;
    color: #333;
    position: relative;
    padding-left: 15px;
    line-height: 1.5;
}

/* 列表项前面的小圆点 */
.ws-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 5px;
    height: 5px;
    background-color: #cbd5e1; /* 灰色圆点 */
    border-radius: 50%;
}


/* ================= Sustainability Roadmap Styles ================= */

.sus-roadmap-section {
    padding: 100px 0;
    background: #fff; /* 纯白背景 */
}

/* 头部样式 */
.sus-header {
    max-width: 800px;
    margin: 0 auto 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 顶部胶囊标签 (Vision 2030) */
.sus-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #e0f2f1; /* 极浅的薄荷绿背景 */
    color: #00897b;       /* 深薄荷绿文字 */
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 30px;
    border: 1px solid #b2dfdb;
}

.sus-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 4.5rem;
    line-height: 1.1;
    color: #0f172a; /* 深蓝黑 */
    margin-bottom: 25px;
    font-weight: bold;
}

/* 绿色高亮文字 (Roadmap.) */
.text-green {
    color: #00bfa5; /* 图片中的鲜艳薄荷绿 */
}

.sus-desc {
    font-size: 1.6rem;
    color: #64748b; /* 蓝灰色描述 */
    line-height: 1.6;
    max-width: 650px;
}

/* 卡片网格 */
.sus-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4列等分 */
    gap: 30px;
}

/* 单个卡片 */
.sus-card {
    background: #fff;
    border-radius: 8px; /* 轻微圆角 */
    padding: 50px 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03); /* 非常柔和的阴影 */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f8f8f8; /* 极淡的边框 */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sus-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}

/* 图标圆形背景 */
.card-icon-circle {
    width: 80px;
    height: 80px;
    background: #e0f2f1; /* 浅薄荷绿底 */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
    color: #00bfa5; /* 图标颜色 */
}

.card-icon-circle svg {
    width: 36px;
    height: 36px;
    stroke-width: 1.5px;
}

/* 卡片文字 */
.card-label {
    font-size: 11px;
    font-weight: bold;
    color: #94a3b8; /* 浅灰标签 */
    letter-spacing: 1px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.card-value {
    font-family: 'Poppins-SemiBold', sans-serif;
    font-size: 3.5rem; /* 大号数字 */
    color: #0f172a;    /* 深色数值 */
    line-height: 1;
    margin-bottom: 20px;
    font-weight: bold;
}

.card-tag {
    display: inline-block;
    background: #e0f2f1;
    color: #00897b;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 500;
}

/* ================= Zero Carbon Ambition Styles ================= */

.zero-carbon-section {
    padding: 100px 0;
    background: #f8f9fa;
}

/* 头部样式 */
.zc-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end; /* 底部对齐 */
    margin-bottom: 60px;
    gap: 50px;
}

.zc-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: bold;
    color: #00bfa5;
    background: #e0f2f1;
    padding: 5px 12px;
    border-radius: 12px;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.zc-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 4rem;
    line-height: 1.1;
    color: #0f172a;
    font-weight: bold;
}

.zc-right p {
    font-size: 1.5rem;
    color: #475569;
    line-height: 1.6;
    max-width: 600px;
}

/* 内容网格 */
.zc-content-grid {
    display: flex;
    gap: 40px;
    align-items: stretch;
}

/* --- 左侧绿色卡片 --- */
.zc-green-card {
    flex: 0 0 38%; /* 占约38%宽度 */
    background: #00a86b; /* 图片中的深绿色 */
    border-radius: 16px;
    color: #fff;
    padding: 50px 40px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 168, 107, 0.2);
}
.card-bg-icon {
    position: absolute;
    top: -45px;     /* 根据视觉调整位置 */
    right: -40px;   /* 放在右上角 */
    pointer-events: none; /* 让鼠标穿透，不影响交互 */
    z-index: 0;
}

.card-bg-icon svg {
    width: 350px;   /* 放大图标 */
    height: 350px;
    stroke: #fff;   /* 白色线条 */
    opacity: 0.08;  /* 很低的透明度，形成水印效果 */
    transform: rotate(15deg); /* 逆时针稍微倾斜 */
}


.zc-icon svg {
    width: 40px;
    height: 40px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.zc-label {
    font-size: 12px;
    letter-spacing: 1px;
    opacity: 0.8;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.zc-value {
    font-family: 'Poppins-SemiBold', sans-serif;
    font-size: 6rem;
    font-weight: bold;
    line-height: 1;
    margin-bottom: 5px;
}

.zc-sub {
    font-size: 2rem;
    font-family: 'Poppins-Medium', sans-serif;
    margin-bottom: 40px;
}

.zc-divider {
    height: 1px;
    background: rgba(255,255,255,0.2);
    margin-bottom: 30px;
}

.zc-footer {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.check-icon {
    background: #fff;
    color: #00a86b;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.zc-footer p {
    font-size: 1.2rem;
    line-height: 1.5;
    opacity: 0.9;
}

/* --- 右侧图表 --- */
.zc-chart-wrap {
    flex: 1;
    background: #f8fafc; /* 极淡的灰蓝色背景 */
    border-radius: 16px;
    padding: 40px;
}

.chart-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.chart-top h3 {
    font-size: 1.8rem;
    color: #0f172a;
    font-family: 'Poppins-SemiBold', sans-serif;
    font-weight: bold;
}

.chart-legend {
    display: flex;
    gap: 20px;
    font-size: 11px;
    font-weight: bold;
    color: #64748b;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 18px;height: 18px;
}
.legend-item:nth-child(1){color: #000;}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.dark { background: #1e293b; }
.dot.green { background: #00bfa5; }

/* CSS 柱状图实现 */
.js-bar-chart {
    position: relative;
    height: 300px;
    display: flex;
    align-items: flex-end;
    padding-left: 40px;
    width: 100%;
}
/* Y轴标签 (背景网格线) */
.grid-lines {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1;
    pointer-events: none; /* 让鼠标穿透 */
}

.grid-lines span {
    font-size: 10px;
    color: #cbd5e1;
    position: relative;
    text-align: right;
    width: 30px; /* 标签宽度 */
    transform: translateY(-50%); /* 垂直居中对齐线 */
}

/* 虚线 */
.grid-lines span::after {
    content: '';
    position: absolute;
    left: 40px;
    top: 50%;
    width: calc(100% - 40px);
    border-top: 1px dashed #e2e8f0;
}
.grid-lines span:last-child::after {
    border-top: 1px solid #e2e8f0; /* 底线实线 */
}

/* 柱子容器 */
.bars-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
    height: 100%;
    padding-top: 20px; /* 顶部留白 */
    z-index: 2;
}

.bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
    position: relative; /* 用于定位 tooltip */
}

.bar {
    width: 60%; /* 柱子宽度 */
    max-width: 40px;
    border-radius: 4px 4px 0 0;
    transition: height 1s ease, background-color 0.3s;
    position: relative;
    cursor: pointer;
}

.bar.dark { background: #1e293b; }
.bar.green { background: #00bfa5; }

/* 悬停变色效果 */
.bar.dark:hover { background: #334155; }
.bar.green:hover { background: #2dd4bf; }

.year {
    margin-top: 15px;
    font-size: 11px;
    color: #64748b;
    font-weight: 500;
}

/* 悬停提示 (Tooltip) */
.tooltip {
    position: absolute;
    top: -35px; /* 在柱子上方 */
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #0f172a;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

/* 小三角 */
.tooltip::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    margin-left: -4px;
    border-width: 4px 4px 0;
    border-style: solid;
    border-color: #0f172a transparent transparent transparent;
}
/* 图表容器 */
.js-bar-chart {
    position: relative;
    height: 300px;
    display: flex;
    align-items: flex-end;
    padding-left: 40px; /* 给Y轴留空 */
    width: 100%;
}

/* Y轴网格 (保持不变) */
.grid-lines {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1;
    pointer-events: none;
}
.grid-lines span {
    font-size: 10px;
    color: #cbd5e1;
    position: relative;
    text-align: right;
    width: 30px;
    transform: translateY(-50%);
}
.grid-lines span::after {
    content: '';
    position: absolute;
    left: 40px;
    top: 50%;
    width: calc(100% - 40px);
    border-top: 1px dashed #e2e8f0;
}
.grid-lines span:last-child::after { border-top: 1px solid #e2e8f0; }

/* 柱子容器 */
.bars-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
    height: 100%;
    padding-top: 20px;
    z-index: 2;
}

.bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
    position: relative;
}

/* 柱子核心样式 */
.bar {
    width: 60%;
    max-width: 40px;
    border-radius: 4px 4px 0 0;
    position: relative;
    cursor: pointer;
    
    /* 关键：CSS 过渡动画 */
    transition: height 1.5s cubic-bezier(0.22, 0.61, 0.36, 1), background-color 0.3s;
}

/* 颜色变体 */
.bar.dark { background: #1e293b; }
.bar.green { background: #00bfa5; }
.bar.dark:hover { background: #334155; }
.bar.green:hover { background: #2dd4bf; }

/* 年份 */
.year {
    margin-top: 15px;
    font-size: 11px;
    color: #64748b;
    font-weight: 500;
}

/* 悬停数值 Tooltip */
.tooltip {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #0f172a;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    opacity: 0;         /* 默认隐藏 */
    pointer-events: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    z-index: 10;
}

.tooltip::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    margin-left: -4px;
    border-width: 4px 4px 0;
    border-style: solid;
    border-color: #0f172a transparent transparent transparent;
}

/* 鼠标指向柱子时显示 Tooltip */
.bar:hover .tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
/* 确保内容在背景图标之上 */
.card-inner {
    position: relative;
    z-index: 1;
}
/* --- 图表标题图标 (Trending Down) --- */
.chart-top h3 {
    display: flex;
    align-items: center;
    gap: 12px; /* 图标与文字间距 */
}

.title-icon svg {
    width: 28px;
    height: 28px;
    stroke: #94a3b8; /* 使用浅灰色，避免抢夺文字注意力 */
    stroke-width: 2;
}


/* ================= Module 3: Material Circular Styles ================= */

.material-circular-section {
    padding: 100px 0;
    background: #fff;
}

.mc-wrapper {
    display: flex;
    gap: 80px;
    align-items: stretch;
}

/* --- 左侧内容 --- */
.mc-content {
    flex: 1;
    padding-right: 20px;
}

.mc-badge {
    font-size: 11px;
    color: #00bfa5;
    letter-spacing: 1px;
    font-weight: bold;
    display: block;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.mc-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 4rem;
    line-height: 1.1;
    color: #0f172a;
    margin-bottom: 25px;
    font-weight: bold;
}

.mc-desc {
    font-size: 1.5rem;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 50px;
    max-width: 90%;
}

/* 进度条样式 */
.mc-bars {
    margin-bottom: 40px;
}

.bar-item {
    margin-bottom: 25px;
}

.bar-header {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    font-weight: bold;
    color: #94a3b8;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.bar-val {
    color: #00bfa5; /* 绿色文字 */
}

.bar-track {
    width: 100%;
    height: 15px;
    background: #e2e8f0; /* 灰色背景 (代表 CO2 Emission) */
    border-radius: 2px;
    overflow: hidden;
}

.bar-fill-wrap {
    height: 100%;
    /* 宽度由内联样式控制 (例如 style="width: 20%") */
}

.bar-fill {
    width: 0; /* 初始宽度为0，等待动画 */
    height: 100%;
    background: #22c68d; /* 绿色进度条 */
    border-radius: 4px;
}

/* --- 您指定的动画类 --- */
.fade-in-width.is-visible { 
    transition-duration: 1500ms;
    width: 100%;
    opacity: 1;
}

/* 图例 */
.mc-legend {
    display: flex;
    gap: 30px;
    font-size: 11px;
    font-weight: bold;
    color: #64748b;
    margin-top: 20px;
}

.dot.gray { background: #e2e8f0; }

/* --- 右侧图片 --- */
.mc-image-col {
    flex: 0.9;
    position: relative;
    overflow: hidden;
    min-height: 500px;
}

.mc-image-col img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 图片覆盖层文字 */
.img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 50px 40px 40px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: #fff;
}

.overlay-year {
    font-family: 'Poppins-SemiBold', sans-serif;
    font-size: 5rem;
    line-height: 1;
    opacity: 0.2; /* 半透明大字背景 */
    position: absolute;
    top: 0;
    left: 30px;
    z-index: 0;
}

.overlay-text {
    position: relative;
    z-index: 1;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 10px;
    padding-left: 5px;
}

.overlay-line {
    width: 50px;
    height: 3px;
    background: #00bfa5;
    position: relative;
    z-index: 1;
    margin-left: 5px;
}


/* ================= Contact Us Section Styles ================= */

.contact-section {
    padding: 100px 0;
    background: #f8f9fb; /* 页面整体浅灰背景 */
}

.contact-layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

/* --- Left Column: Info Cards --- */
.contact-info-col {
    flex: 0 0 40%; /* 左侧占40% */
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-card {
    background: #fff;
    padding: 50px 40px;
    /* 极淡的阴影，还原图片中的卡片质感 */
    /* box-shadow: 0 5px 20px rgba(0,0,0,0.02); */ 
    border: 1px solid #f0f0f0; /* 或者使用极淡边框 */
}

/* Square Icon Box (Headquarters) */
.icon-box-square {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    color: #2c65f5; /* 品牌蓝 */
}

/* Labels */
.info-label {
    display: block;
    font-size: 11px;
    font-weight: bold;
    color: #9ca3af; /* 浅灰标签 */
    letter-spacing: 1.5px;
    margin-bottom: 5px;
    text-transform: uppercase;
}

/* Headquarters Address */
.info-text-lg {
    font-family: 'Poppins-Medium', sans-serif;
    font-size: 2rem; /* 大字号 */
    line-height: 1.4;
    color: #111;
    font-style: normal;
    border-bottom: 1px solid #ededed;
    padding-bottom: 20px;
    margin-bottom: 30px;
}

/* Status Line */
.info-status {
    font-size: 1.3rem;
    color: #6b7280;
    display: flex;
    align-items: center;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981; /* 绿色状态点 */
    border-radius: 50%;
    margin-right: 10px;
}

.info-status .divider {
    margin: 0 10px;
    color: #d1d5db;
}

/* Lines & Email Groups */
.group-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.text-blue {
    color: #2c65f5;
}

.mt-30 {
    margin-top: 40px;
}

.line-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #ededed; /* 极细分隔线 */
    font-size: 1.4rem;
}


.line-name {
    color: #6b7280;
}

.line-num {
    color: #111;
    font-weight: 600;
    font-family: 'Poppins-Medium', sans-serif;
}

.info-email {
    font-size: 2.2rem;
    font-family: 'Poppins-SemiBold', sans-serif;
    color: #111;
    text-decoration: none;
    transition: color 0.3s;
}

.info-email:hover {
    color: #2c65f5;
}


/* --- Right Column: Form --- */
.contact-form-col {
    flex: 1;
}

.form-wrapper {
    background: #fff;
    padding: 60px;
    border: 1px solid #f0f0f0;
}

.form-title {
    font-family: 'Poppins-SemiBold', sans-serif;
    font-size: 3.6rem;
    color: #111;
    margin-bottom: 15px;
}

.form-subtitle {
    font-size: 1.5rem;
    color: #6b7280;
    margin-bottom: 50px;
}

.custom-form label {
    display: block;
    font-size: 10px;
    font-weight: bold;
    color: #9ca3af;
    letter-spacing: 1px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.custom-form input,
.custom-form textarea {
    width: 100%;
    background: #f9fafb; /* 极浅灰输入框背景 */
    border: none;
    padding: 15px 20px;
    font-size: 1.4rem;
    font-family: 'Poppins-Light', sans-serif;
    color: #333;
    outline: none;
    margin-bottom: 30px;
    border-radius: 2px;
    transition: background 0.3s;
}

.custom-form input:focus,
.custom-form textarea:focus {
    background: #f3f4f6; /* 聚焦时稍微深一点 */
}

.custom-form textarea {
    height: 150px;
    resize: none;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.btn-submit {
    background: #0f172a; /* 深蓝黑背景 */
    color: #fff;
    border: none;
    padding: 16px 40px;
    font-size: 1.3rem;
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #2c65f5; /* 悬停变品牌蓝 */
}

/* =========================================
   新闻 / 文章内页样式 (article_ch14.htm)
   ========================================= */

/* 覆盖 css.css 里的 a:hover{color:#f00} */
.article-page a:hover {
    color: #0056b3;
}

.article-page {
    padding: 80px 0 120px;
    background: #fff;
}

/* --- 面包屑 --- */
.article-crumb {
    font-size: 1.2rem;
    color: #9a9a9a;
    letter-spacing: 1px;
    margin-bottom: 45px;
    text-transform: uppercase;
}
.article-crumb a {
    color: #9a9a9a;
    transition: color 0.3s;
}
.article-crumb a:hover {
    color: #0056b3;
}
.article-crumb .crumb-sep {
    display: inline-block;
    margin: 0 8px;
    color: #d8d8d8;
}
.article-crumb .crumb-cur {
    color: #262626;
}

/* --- 文章头部 --- */
.article-header {
    margin-bottom: 60px;
}
.article-title {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    font-size: 3.6rem;
    line-height: 1.35;
    color: #000;
    font-weight: bold;
    max-width: 900px;
    margin: 0 auto 18px;
}
.article-date {
    font-size: 1.3rem;
    color: #9a9a9a;
    letter-spacing: 1px;
}
.article-header .title-line {
    width: 90px;
    height: 3px;
    background: #0056b3;
    margin: 25px auto 0;
}

/* --- 正文 --- */
.article-content {
    max-width: 1000px;
    margin: 0 auto;
    font-family: 'Poppins-Light', Arial, sans-serif;
    font-size: 1.5rem;
    line-height: 2;
    color: #4a4a4a;
}
.article-content p {
    margin-bottom: 25px;
}
.article-content h2,
.article-content h3,
.article-content h4 {
    font-family: 'Poppins-SemiBold', Arial, sans-serif;
    color: #000;
    margin: 40px 0 18px;
    line-height: 1.4;
}
.article-content h2 { font-size: 2.4rem; }
.article-content h3 { font-size: 2rem; }
.article-content h4 { font-size: 1.7rem; }
.article-content strong {
    font-family: 'Poppins-Medium', Arial, sans-serif;
    color: #262626;
}
.article-content a {
    color: #0056b3;
    text-decoration: underline;
}
.article-content a:hover {
    color: #003d80;
}
.article-content img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 35px auto;
    border-radius: 3px;
}
.article-content ul,
.article-content ol {
    margin: 0 0 25px;
    padding-left: 24px;
}
.article-content ul li {
    list-style: disc;
    margin-bottom: 10px;
}
.article-content ol li {
    list-style: decimal;
    margin-bottom: 10px;
}
.article-content blockquote {
    border-left: 4px solid #0056b3;
    background: #f7f9fc;
    padding: 20px 25px;
    margin: 30px 0;
    color: #555;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    font-size: 1.4rem;
}
.article-content table th,
.article-content table td {
    border: 1px solid #e8e8e8;
    padding: 12px 15px;
    text-align: left;
}
.article-content table th {
    background: #f7f8fa;
    color: #000;
    font-family: 'Poppins-Medium', Arial, sans-serif;
}
.article-content iframe,
.article-content video {
    display: block;
    max-width: 100%;
    margin: 30px auto;
}

/* --- 上一篇 / 下一篇 --- */
.article-pagelist {
    max-width: 1000px;
    margin: 70px auto 0;
    padding-top: 30px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 0;
}
.article-pagelist a {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 48%;
    font-size: 1.4rem;
    line-height: 1.6;
    color: #333;
    transition: color 0.3s;
}
.article-pagelist a span {
    flex-shrink: 0;
    font-family: 'Poppins-Medium', Arial, sans-serif;
    font-size: 1.2rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #0056b3;
    border: 1px solid #0056b3;
    padding: 3px 12px;
    border-radius: 2px;
    transition: all 0.3s;
}
.article-pagelist a:hover {
    color: #0056b3;
}
.article-pagelist a:hover span {
    background: #0056b3;
    color: #fff;
}
/* 没有上一篇 / 下一篇时置灰 */
.article-pagelist a.in-nonew {
    cursor: default;
    pointer-events: none;
}
.article-pagelist a.in-nonew span {
    color: #b9b9b9;
    border-color: #e0e0e0;
}

/* --- 返回列表按钮 --- */
.article-back {
    margin-top: 60px;
    text-align: center;
}
.article-back a {
    display: inline-block;
    font-family: 'Poppins-Medium', Arial, sans-serif;
    font-size: 1.3rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 13px 45px;
    border: 1px solid #000;
    color: #000;
    transition: all 0.3s;
}
.article-back a:hover {
    background: #000;
    border-color: #000;
    color: #fff;
}


/* ===== lang-btn 文字化（中文/English） ===== */
.lang-btn {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #666;
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}
.lang-btn .lang-sep {
    margin: 0 4px;
    color: #999;
}
.lang-btn .lang-txt {
    transition: color .2s;
}
.lang-btn .lang-txt:hover {
    color: #000;
}
.lang-btn .lang-txt.lang-cur {
    color: #000;
    font-weight: 700;
}

/* ===== social-links 点击分享 ===== */
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: .8;
    transition: opacity .2s, transform .2s;
}
.social-links a:hover {
    opacity: 1;
    transform: translateY(-2px);
}
.share-toast {
    position: fixed;
    left: 50%;
    bottom: 60px;
    transform: translateX(-50%);
    background: rgba(0,0,0,.8);
    color: #fff;
    font-size: 14px;
    padding: 10px 22px;
    border-radius: 4px;
    z-index: 99999;
    display: none;
    pointer-events: none;
}
