/* ==================== 基础重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Lexend', 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
}

/* ==================== CSS变量 ==================== */
:root {
    --primary: #1d1d1f;
    --primary-light: #424245;
    --secondary: #86868b;
    --accent: #e60000;
    --accent-hover: #cc0000;
    --bg-white: #ffffff;
    --bg-gray: #f5f5f7;
    --text-main: #1d1d1f;
    --text-sub: #86868b;
    --border-color: #d2d2d7;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
}

/* ==================== 容器 ==================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background-color: #ffffff;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 32px;

}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-brand:hover {
    opacity: 0.9;
}

.brand-logo-img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    display: block;
    border-radius: 14px;
    padding: 10px;
    box-shadow: var(--shadow-sm);
}

.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-text h1 {
    display: flex;
    align-items: baseline;
    gap: 2px;
    margin: 0;
    line-height: 1;
}

.brand-city {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-sub);
    letter-spacing: 1.5px;
}

.brand-main-name {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -2px;
    background: linear-gradient(135deg, var(--primary) 0%, #d40000 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-tagline {
    display: block;
    font-size: 12px;
    color: var(--text-sub);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-top: 4px;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    gap: 4px;
    align-items: center;
}

.nav-link {
    position: relative;
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-main);
    font-size: 16px;
    font-weight: 600;
    padding: 8px 16px;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background-color: var(--accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
    background-color: transparent;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 24px;
}

.nav-link i {
    display: none;
    /* icons removed, just in case */
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 4px;
}

.hamburger span {
    width: 20px;
    height: 2px;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 17px;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-white);
    box-shadow: none;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 0, 0, 0.3);
}

.btn-phone {
    background-color: rgba(230, 0, 0, 0.08);
    color: var(--accent);
    border: 1px solid rgba(230, 0, 0, 0.15);
    font-weight: 700;
    font-size: 15px;
    padding: 10px 20px;
    gap: 8px;
}

.btn-phone:hover {
    background-color: var(--accent);
    color: var(--bg-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(230, 0, 0, 0.2);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.hero-outline-btn {
    border-color: var(--primary);
    color: var(--primary);
}

.hero-outline-btn:hover {
    border-color: var(--primary);
    background-color: var(--primary);
    color: var(--bg-white);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.btn-outline.white {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline.white:hover {
    background-color: var(--primary);
    color: var(--bg-white);
}

/* ==================== Hero区域 ==================== */
.hero {
    min-height: 90vh;
    background: url('../images/hg.jpg') center center / cover no-repeat;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    /* 半透明白色遮罩，保证文字可读性 */
    z-index: 0;
}



.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(230, 0, 0, 0.2);
    color: #0071e3;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(230, 0, 0, 0.3);
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 21px;
    color: var(--secondary);
    margin-bottom: 16px;
    font-weight: 400;
    line-height: 1.4;
}

.hero-description {
    font-size: 17px;
    color: var(--secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 21px;
    color: var(--secondary);
    margin-bottom: 16px;
    font-weight: 400;
    line-height: 1.4;
}

.hero-description {
    font-size: 17px;
    color: var(--secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

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

.stat-number {
    font-size: 48px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: #86868b;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background-color: var(--border-color);
}

/* ==================== 页面头部Banner ==================== */
.page-header {
    background: var(--bg-gray);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}



.page-header .container {
    position: relative;
    z-index: 1;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.breadcrumb i {
    color: var(--border-color);
    font-size: 12px;
}

.breadcrumb span {
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    line-height: 1.2;
}

.page-subtitle {
    font-size: 18px;
    color: var(--secondary);
    font-weight: 400;
}

/* ==================== 关于我们 ==================== */
.about-section {
    background-color: var(--bg-white);
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content .section-header {
    text-align: left;
    margin-bottom: 32px;
}

.about-text {
    margin-bottom: 32px;
}

.about-text p {
    color: var(--secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.about-stat {
    text-align: center;
    padding: 20px;
    background-color: var(--bg-gray);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.about-stat:hover {
    background-color: var(--accent);
    transform: translateY(-4px);
}

.about-stat:hover .about-stat-number,
.about-stat:hover .about-stat-label {
    color: var(--bg-white);
}

.about-stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
    line-height: 1;
    transition: all 0.3s ease;
}

.about-stat-label {
    font-size: 14px;
    color: var(--secondary);
    transition: all 0.3s ease;
}

.about-cta {
    display: flex;
    gap: 16px;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

/* ==================== Section通用 ==================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background: var(--bg-gray);
    color: var(--secondary);
    border: 1px solid var(--border-color);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.section-subtitle {
    color: var(--text-sub);
    font-size: 17px;
    max-width: 600px;
    margin: 0 auto;
}

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

/* ==================== 核心优势 ==================== */
.advantages {
    background-color: var(--bg-gray);
}

/* ==================== 产品筛选 ==================== */
.products-filter {
    background-color: var(--bg-white);
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: var(--bg-gray);
    border: 2px solid transparent;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab i {
    font-size: 16px;
}

.filter-tab:hover {
    background-color: rgba(230, 0, 0, 0.1);
    color: var(--accent);
}

.filter-tab.active {
    background-color: var(--accent);
    color: var(--bg-white);
    border-color: var(--accent);
}

/* ==================== 产品列表 ==================== */
.products-list {
    background-color: var(--bg-gray);
    padding: 60px 0 100px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.product-item {
    opacity: 1;
    transition: all 0.3s ease;
}

.product-item.hidden {
    display: none;
    opacity: 0;
}

.product-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    height: 450px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: all 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-actions {
    width: 100%;
    display: flex;
    justify-content: center;
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 14px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--bg-white);
}

.product-badge.hot {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
}

.product-badge.new {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a3a0 100%);
}

.product-info {
    padding: 24px;
}

.product-category {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--accent);
    font-weight: 500;
}

.product-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.product-info>p {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.product-features span {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background-color: var(--bg-gray);
    border-radius: 6px;
    font-size: 12px;
    color: var(--secondary);
}

.product-features span i {
    color: var(--accent);
    font-size: 10px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.product-tag {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: #ffa502;
    font-weight: 500;
}

.product-view {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--secondary);
}

/* ==================== 新闻分类 ==================== */
.news-categories {
    background-color: var(--bg-white);
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 12px 28px;
    background-color: var(--bg-gray);
    border: 2px solid transparent;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tab:hover {
    background-color: rgba(230, 0, 0, 0.1);
    color: var(--accent);
}

.category-tab.active {
    background-color: var(--accent);
    color: var(--bg-white);
    border-color: var(--accent);
}

/* ==================== 新闻列表 ==================== */
.news-section {
    background-color: var(--bg-white);
    padding: 64px 0 100px;
}

.news-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.news-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.news-item {
    background-color: var(--bg-gray);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: background-color 0.3s ease;
    border: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
}

.news-item:hover {
    background-color: rgba(230, 0, 0, 0.04);
    box-shadow: none;
    transform: none;
}

.news-item.featured {
    grid-column: 1 / -1;
    flex-direction: row;
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    padding-bottom: 32px;
}

.news-item.featured:hover {
    background-color: transparent;
}

.news-image {
    position: relative;
    height: 240px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-item.featured .news-image {
    width: 50%;
    height: 360px;
    border-radius: var(--radius-sm);
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news-item:hover .news-image img {
    transform: scale(1.03);
}

.news-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    color: var(--bg-white);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.news-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.news-item.featured .news-content {
    padding: 32px 0 32px 48px;
    width: 50%;
    justify-content: center;
}

.news-meta-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.news-category {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(29, 29, 31, 0.08);
}

.news-category.company {
    color: var(--accent);
    background: rgba(230, 0, 0, 0.08);
}

.news-category.product {
    color: #0077ed;
    background: rgba(0, 119, 237, 0.08);
}

.news-category.industry {
    color: #8854d0;
    background: rgba(136, 84, 208, 0.08);
}

.news-category.technology {
    color: #ff7f50;
    background: rgba(255, 127, 80, 0.08);
}

.news-date {
    font-size: 13px;
    font-weight: 500;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-item.featured h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.news-content h2,
.news-content h3 {
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.news-content h2 a,
.news-content h3 a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

.news-content h2 a:hover,
.news-content h3 a:hover {
    color: var(--accent);
}

.news-content h3 {
    font-size: 18px;
    font-weight: 600;
}

.news-content>p {
    color: var(--secondary);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
}

.news-views,
.news-comments {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--secondary);
}

.read-more {
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.read-more:hover {
    gap: 10px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.advantage-card {
    background-color: var(--bg-white);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--bg-gray) 0%, #e8eef5 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: var(--accent);
}

.advantage-card h3 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.advantage-card p {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.7;
}

.advantage-tag {
    background-color: var(--accent);
    color: var(--bg-white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* ==================== 产品系列 ==================== */
.products-preview {
    background-color: var(--bg-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
}

.product-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    height: 450px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 24px;
    opacity: 0;
    transition: all 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-btn {
    background-color: var(--accent);
    color: var(--bg-white);
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 14px;
}

.product-info {
    padding: 24px;
}

.product-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-sub);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
}

.product-category i {
    font-size: 14px;
}

.product-info h3 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.product-info p {
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-features {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.product-features span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background-color: var(--bg-gray);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-sub);
}

.product-features span i {
    color: var(--accent);
    font-size: 10px;
}

/* ==================== 成功案例 ==================== */
.cases {
    background-color: var(--bg-gray);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.case-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.case-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

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

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: all 0.3s ease;
}

.case-item:hover .case-overlay {
    opacity: 1;
}

.case-info {
    color: var(--bg-white);
}

.case-info h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.case-info p {
    font-size: 14px;
    opacity: 0.9;
}

/* ==================== 新闻资讯 ==================== */
.news-preview {
    background-color: var(--bg-white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
}

.news-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    border: 1px solid var(--border-color);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

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

.news-date {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: var(--accent);
    color: var(--bg-white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.date-day {
    font-size: 24px;
    font-weight: 600;
    line-height: 1;
}

.date-month {
    font-size: 12px;
    margin-top: 2px;
}

.news-info {
    padding: 24px;
}

.news-info h3 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.4;
}

.news-info p {
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.news-meta {
    display: flex;
    gap: 16px;
    color: var(--text-sub);
    font-size: 13px;
}

.news-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ==================== 合作伙伴 ==================== */
.partners {
    background-color: var(--bg-gray);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
}

.partner-item {
    background-color: var(--bg-white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--border-color);
}

.partner-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.partner-item i {
    font-size: 32px;
    color: var(--text-sub);
}

.partner-item span {
    font-size: 15px;
    font-weight: 500;
    color: var(--primary);
}

/* ==================== CTA ==================== */
.cta-section {
    background: var(--bg-white);
    color: var(--primary);
    padding: 100px 0;
    border-top: 1px solid var(--border-color);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 40px;
    margin-bottom: 16px;
    font-weight: 600;
    color: var(--primary);
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 32px;
    color: var(--secondary);
}

.cta-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(230, 0, 0, 0.08);
    color: var(--accent);
    border-radius: 4px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ==================== 页脚 ==================== */
/* ==================== 页脚 ==================== */
/* ==================== 页脚 ==================== */
.footer {
    background: var(--bg-gray);
    color: var(--secondary);
    padding: 40px 0 24px;
    border-top: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    font-size: 12px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.1fr 1.9fr;
    gap: 36px;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
}

.footer-top-panel {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
    margin-bottom: 28px;
    padding: 22px 24px;
    border-radius: 18px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.footer-top-copy {
    max-width: 720px;
}

.footer-top-label {
    display: inline-flex;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--bg-gray);
    color: var(--secondary);
    border: 1px solid var(--border-color);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.footer-top-copy h3 {
    font-size: 24px;
    line-height: 1.3;
    margin-bottom: 8px;
    color: var(--primary);
    font-weight: 600;
}

.footer-top-copy p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--secondary);
}

.footer-top-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-mini-btn {
    background: var(--bg-white);
    color: var(--primary);
    border: 1px solid var(--border-color);
}

.footer-mini-btn:hover {
    background: var(--bg-gray);
    color: var(--primary);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo-img {
    width: 60px;
    height: auto;
    object-fit: contain;
    display: block;
}

.footer-brand p {
    margin-bottom: 20px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--secondary);
}

.footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.footer-badges span {
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    font-size: 11px;
    font-weight: 600;
    color: var(--primary-light);
}

.footer-contact-card {
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--primary-light);
}

.footer-contact i {
    color: var(--secondary);
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--bg-white);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.link-column h4 {
    font-size: 12px;
    margin-bottom: 12px;
    color: var(--primary);
    font-weight: 600;
}

.link-column {
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: none;
}

.link-column-highlight {
    background: transparent;
    border-color: transparent;
}

.link-column a {
    display: block;
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.3s ease;
    margin-bottom: 10px;
    font-size: 12px;
    line-height: 1.4;
}

.link-column a:hover {
    color: var(--primary);
    text-decoration: underline;
    transform: none;
}

.footer-bottom {
    text-align: left;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links-inline {
    display: flex;
    gap: 12px;
}

.footer-links-inline a {
    color: var(--primary-light);
    text-decoration: none;
    font-size: 12px;
    transition: color 0.3s ease;
}

.footer-links-inline span {
    color: var(--border-color);
}

.footer-links-inline a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.footer-bottom p {
    color: var(--secondary);
    font-size: 12px;
}

/* ==================== 关于页面特殊样式 ==================== */
.about-intro {
    background-color: var(--bg-white);
    padding: 80px 0;
}

.about-intro .about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-intro .about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.about-intro .about-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
}

.about-intro .about-text p {
    color: var(--secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-intro .about-features {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background-color: rgba(230, 0, 0, 0.1);
    color: var(--accent);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* 发展历程 - Timeline */
/* ==================== 发展历程 (Apple 风格垂直轴) ==================== */
.timeline {
    background-color: var(--bg-gray);
    padding: 120px 0;
}

.timeline-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 120px;
    width: 2px;
    background: var(--border-color);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-left: 180px;
    padding-bottom: 64px;
    opacity: 0.8;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item:hover {
    opacity: 1;
    transform: translateX(8px);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 115px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-gray);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    z-index: 2;
}

.timeline-item:hover::before {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.3);
    box-shadow: 0 0 0 4px rgba(230, 0, 0, 0.15);
}

.timeline-year {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    letter-spacing: -0.02em;
    width: 100px;
    text-align: right;
    transition: color 0.3s ease;
}

.timeline-item:hover .timeline-year {
    color: var(--accent);
}

.timeline-content {
    background: transparent;
}

.timeline-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

.timeline-content p {
    color: var(--secondary);
    font-size: 16px;
    line-height: 1.6;
    max-width: 600px;
}

/* 关于页面核心优势 */
.about-advantages {
    background-color: var(--bg-white);
    padding: 100px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.advantage-card-modern {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.advantage-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(230, 0, 0, 0.03) 0%, transparent 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.advantage-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(230, 0, 0, 0.2);
}

.advantage-card-modern:hover::before {
    opacity: 1;
}

.advantage-icon-bg {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--bg-white);
    margin-bottom: 20px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.advantage-card-modern:hover .advantage-icon-bg {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 10px 20px rgba(230, 0, 0, 0.2);
}

.advantage-badge-num {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 48px;
    font-weight: 700;
    color: var(--bg-gray);
    opacity: 0.3;
    line-height: 1;
}

.advantage-content-modern h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.advantage-content-modern>p {
    color: var(--secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.advantage-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advantage-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.advantage-features li i {
    color: var(--accent);
    font-size: 14px;
}

/* 荣誉资质 */
.honors {
    background-color: var(--bg-gray);
    padding: 100px 0;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.honor-card-modern {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
}

.honor-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(230, 0, 0, 0.2);
}

.honor-badge {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--bg-white);
    margin-bottom: 20px;
    transition: all 0.4s ease;
}

.honor-card-modern:hover .honor-badge {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(230, 0, 0, 0.25);
}

.honor-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.honor-content p {
    color: var(--secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
}

.honor-year {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 8px;
}

.honor-tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(230, 0, 0, 0.1);
    color: var(--accent);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* 企业文化 */
.culture {
    background-color: var(--bg-white);
    padding: 100px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.culture-card-modern {
    text-align: center;
    padding: 40px 32px;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.culture-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.culture-icon-wrapper {
    margin-bottom: 24px;
}

.culture-icon-bg {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--bg-white);
    margin: 0 auto;
}

.culture-english {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.culture-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.culture-content>p {
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.culture-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.culture-keywords span {
    padding: 6px 14px;
    background-color: var(--bg-gray);
    color: var(--secondary);
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
}

/* ==================== 联系我们 ==================== */
.contact-section {
    background-color: var(--bg-white);
    padding: 80px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
}

/* 联系信息区域 */
.contact-info {
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.contact-info h2 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--primary);
}

.contact-info>p {
    color: var(--text-sub);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(230, 0, 0, 0.08);
    color: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
}

.contact-text h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--primary);
}

.contact-text p {
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 2px;
}

/* 社交媒体链接 */
.social-links h4 {
    font-size: 15px;
    margin-bottom: 16px;
    font-weight: 600;
    color: var(--primary);
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 18px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    color: var(--bg-white);
    transform: translateY(-2px);
}

.social-icon.weixin:hover {
    background-color: #07c160;
    border-color: #07c160;
}

.social-icon.weibo:hover {
    background-color: #e6162d;
    border-color: #e6162d;
}

.social-icon.linkedin:hover {
    background-color: #0077b5;
    border-color: #0077b5;
}

.social-icon.qq:hover {
    background-color: #12b7f5;
    border-color: #12b7f5;
}

/* 联系表单区域 */
.contact-form-wrapper {
    background-color: var(--bg-white);
}

.contact-form-wrapper h2 {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--primary);
}

.contact-form-wrapper>p {
    color: var(--secondary);
    margin-bottom: 32px;
}

/* 表单样式 */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-group label i {
    color: var(--accent);
    font-size: 14px;
}

.form-group label .required {
    color: #ef4444;
    margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--primary);
    background-color: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background-color: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(230, 0, 0, 0.1);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2386868b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* 复选框样式 */
.form-agreement {
    margin-top: 8px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--accent);
    cursor: pointer;
}

.checkbox-label a {
    color: var(--accent);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* 表单提示 */
.form-tip {
    font-size: 13px;
    color: var(--secondary);
    opacity: 0.8;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.form-tip i {
    color: var(--accent);
}

/* ==================== 地图区域 ==================== */
.map-section {
    background-color: var(--bg-gray);
    padding: 80px 0;
}

.map-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 32px;
    align-items: center;
}

.map-info h2 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--primary);
}

.map-info>p {
    color: var(--secondary);
    margin-bottom: 24px;
}

.map-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.map-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--primary);
}

.map-feature i {
    color: var(--accent);
    font-size: 18px;
}

.map-placeholder {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.map-box {
    background-color: var(--bg-white);
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.map-box i {
    font-size: 64px;
    color: var(--accent);
    margin-bottom: 16px;
}

.map-box p {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.map-box span {
    font-size: 14px;
    color: var(--secondary);
}

/* ==================== 常见问题 ==================== */
.faq-section {
    background-color: var(--bg-white);
    padding: 80px 0;
}

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

.faq-item {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.faq-question {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    background-color: var(--bg-white);
}

.faq-question h3 {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-question h3 i {
    color: var(--accent);
    font-size: 18px;
    flex-shrink: 0;
}

.faq-question>i.fa-chevron-down {
    color: var(--secondary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question>i.fa-chevron-down {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px;
    max-height: 200px;
}

.faq-answer p {
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.8;
}

/* ==================== 回到顶部 ==================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--bg-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    background-color: var(--accent);
    transform: translateY(-4px);
}

/* ==================== 响应式设计 ==================== */
.hero-upgraded .container {
    width: 100%;
}

.hero-shell {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
    padding: 80px 0 40px;
    position: relative;
    z-index: 1;
}

.hero-copy {
    text-align: left;
    max-width: 720px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--bg-white);
    color: var(--primary);
    border: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
}

.hero-upgraded .hero-title,
.hero-upgraded .hero-subtitle,
.hero-upgraded .hero-description {
    font-size: 17px;
    color: var(--secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-panel-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-sm);
    color: var(--primary);
}

.hero-panel-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 12px;
}

.hero-panel-card h2 {
    font-size: 18px;
    line-height: 1.45;
    margin-bottom: 14px;
    font-weight: 600;
    color: var(--primary);
}

.hero-proof-list {
    display: grid;
    gap: 10px;
}

.hero-proof-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.hero-proof-item i {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gray);
    color: var(--accent);
}

.hero-proof-item strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
}

.hero-proof-item span {
    display: block;
    font-size: 13px;
    color: var(--secondary);
}

.hero-panel-grid {
    display: grid;
    gap: 12px;
}

.hero-panel-grid .hero-panel-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-sm);
    color: var(--primary);
}

.hero-panel-grid strong {
    display: block;
    font-size: 12px;
    color: var(--secondary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.hero-panel-grid span {
    display: block;
    font-size: 14px;
    color: var(--primary);
}

.trust-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    padding-bottom: 40px;
    position: relative;
    z-index: 1;
}

.trust-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 14px 16px;
    color: var(--primary);
}

.trust-label {
    display: block;
    font-size: 12px;
    color: var(--secondary);
    margin-bottom: 4px;
}

.trust-item strong {
    font-size: 14px;
    font-weight: 700;
}

.brand-story-section {
    padding: 110px 0;
}

.brand-story-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}

.section-header-left {
    text-align: left;
    margin-bottom: 28px;
}

.section-header-left .section-subtitle {
    margin-left: 0;
    margin-right: 0;
}

.brand-story-copy .about-text {
    margin-bottom: 22px;
}

.story-points {
    display: grid;
    gap: 12px;
    margin-bottom: 28px;
}

.story-point {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: var(--secondary);
    font-size: 15px;
}

.story-point i {
    color: var(--accent);
    margin-top: 2px;
}

.brand-story-visual {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.brand-story-visual img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    display: block;
}

.story-card {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(2, 6, 23, 0.08);
    box-shadow: 0 18px 60px rgba(2, 6, 23, 0.18);
}

.story-card span {
    display: block;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-sub);
    margin-bottom: 4px;
}

.story-card strong {
    display: block;
    font-size: 14px;
    color: var(--text-main);
    line-height: 1.4;
}

.story-card-dark {
    left: 18px;
    right: auto;
    bottom: auto;
    top: 18px;
    width: calc(100% - 36px);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--border-color);
}

.story-card-dark span,
.story-card-dark strong {
    color: var(--primary);
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.capability-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 22px 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    height: 100%;
}

.capability-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.capability-card h3 {
    font-size: 18px;
    margin: 14px 0 10px;
    color: var(--text-main);
    font-weight: 700;
    text-align: center;
}

.capability-card p {
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.case-spotlight-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.case-spotlight-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.case-spotlight-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.case-spotlight-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.case-spotlight-content {
    padding: 18px 18px 20px;
}

.case-spotlight-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.case-spotlight-meta span {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(230, 0, 0, 0.12);
    border: 1px solid rgba(230, 0, 0, 0.18);
    padding: 6px 10px;
    border-radius: 999px;
}

.case-spotlight-content h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-main);
}

.case-spotlight-content p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 14px;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-tags .tag {
    font-size: 12px;
    color: var(--secondary);
    background: rgba(2, 6, 23, 0.04);
    border: 1px solid rgba(2, 6, 23, 0.06);
    padding: 6px 10px;
    border-radius: 999px;
}

.proof-wall {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: 28px 26px;
}

.proof-wall-copy {
    margin-bottom: 18px;
}

.proof-wall-copy .section-title {
    margin-bottom: 10px;
}

.proof-wall-copy .section-subtitle {
    max-width: 760px;
    margin-left: 0;
    margin-right: 0;
}

.proof-wall-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0 20px;
}

.proof-wall-grid .partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 10px;
    background: rgba(2, 6, 23, 0.03);
    border: 1px solid rgba(2, 6, 23, 0.05);
    border-radius: 14px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.proof-wall-badges {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.proof-badge {
    border-radius: 16px;
    border: 1px solid rgba(2, 6, 23, 0.06);
    background: rgba(2, 6, 23, 0.02);
    padding: 14px 14px;
}

.proof-badge strong {
    display: block;
    font-size: 14px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
}

.proof-badge span {
    display: block;
    font-size: 13px;
    color: var(--text-sub);
}

.final-cta-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    text-align: center;
}

.final-cta-panel .section-badge {
    display: inline-block;
    background: var(--bg-gray);
    color: var(--secondary);
    border: 1px solid var(--border-color);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.final-cta-panel h2 {
    margin-bottom: 10px;
}

.final-cta-panel p {
    max-width: 680px;
    margin: 0 auto;
}

.product-detail-section {
    background: var(--bg-gray);
    padding: 72px 0 96px;
}

.product-detail-container {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) 360px;
    gap: 28px;
    align-items: start;
}

.product-detail-main,
.product-detail-sidebar>div {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.product-detail-main {
    padding: 28px;
}

.product-detail-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 18px;
}

.product-category-tag,
.product-badges {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.product-category-tag {
    background: rgba(230, 0, 0, 0.08);
    color: var(--accent);
    padding: 10px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
}

.product-badges .badge {
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    background: rgba(2, 6, 23, 0.06);
    color: var(--primary);
}

.product-badges .badge.hot {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
}

.product-badges .badge.recommend {
    background: rgba(14, 165, 233, 0.12);
    color: var(--accent);
}

.product-detail-title {
    font-size: 42px;
    line-height: 1.15;
    color: var(--text-main);
    margin-bottom: 12px;
}

.product-detail-intro {
    color: var(--text-sub);
    font-size: 18px;
    line-height: 1.75;
    margin-bottom: 22px;
}

.product-intro-panel {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 18px;
    margin-bottom: 22px;
}

.product-intro-copy,
.product-trust-metrics {
    background: var(--bg-gray);
    border-radius: 18px;
    padding: 18px;
}

.product-intro-copy h2 {
    font-size: 20px;
    line-height: 1.4;
    margin-bottom: 10px;
    color: var(--text-main);
}

.product-intro-copy p {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.75;
}

.product-trust-metrics {
    display: grid;
    gap: 12px;
}

.metric-card {
    background: var(--bg-white);
    border: 1px solid rgba(2, 6, 23, 0.06);
    border-radius: 16px;
    padding: 14px 14px;
}

.metric-card strong {
    display: block;
    font-size: 13px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-sub);
    margin-bottom: 4px;
}

.metric-card span {
    display: block;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
}

.product-gallery {
    margin-bottom: 24px;
}

.gallery-main {
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 12px;
}

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

.gallery-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.thumb {
    border-radius: 14px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
}

.thumb.active,
.thumb:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.thumb img {
    width: 100%;
    height: 92px;
    object-fit: cover;
    display: block;
}

.product-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 14px;
    background: rgba(230, 0, 0, 0.06);
    border: 1px solid rgba(230, 0, 0, 0.1);
    border-radius: 16px;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 700;
}

.highlight-item i {
    color: var(--accent);
}

.value-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.value-strip-item {
    background: linear-gradient(180deg, rgba(230, 0, 0, 0.08), rgba(230, 0, 0, 0.02));
    border: 1px solid rgba(230, 0, 0, 0.08);
    border-radius: 16px;
    padding: 16px;
}

.value-strip-item span {
    display: block;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-sub);
    margin-bottom: 4px;
}

.value-strip-item strong {
    display: block;
    color: var(--text-main);
    line-height: 1.55;
    font-size: 14px;
}

.product-detail-tabs {
    margin-top: 10px;
}

.detail-tabs-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.tab-btn {
    border: 1px solid rgba(2, 6, 23, 0.08);
    background: var(--bg-gray);
    color: var(--secondary);
    border-radius: 999px;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--accent);
    color: var(--bg-white);
    border-color: var(--accent);
}

.tab-content {
    display: none;
    padding: 22px;
    border-radius: 20px;
    background: var(--bg-gray);
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    font-size: 24px;
    margin-bottom: 14px;
    color: var(--text-main);
}

.tab-content h4 {
    font-size: 18px;
    margin: 18px 0 12px;
    color: var(--text-main);
}

.tab-content p,
.tab-content .lead,
.tab-content li,
.case-desc,
.case-type {
    color: var(--text-sub);
    line-height: 1.75;
    font-size: 15px;
}

.feature-list,
.custom-list,
.promise-list {
    display: grid;
    gap: 12px;
    list-style: none;
}

.feature-list li,
.custom-list li,
.promise-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.feature-list i,
.custom-list i,
.promise-list i,
.case-tags .tag,
.app-item i {
    color: var(--accent);
}

.applications {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.app-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-white);
    border: 1px solid rgba(2, 6, 23, 0.06);
    border-radius: 16px;
    padding: 12px 14px;
    color: var(--text-main);
    font-weight: 700;
}

.specs-table,
.quick-specs {
    display: grid;
    gap: 12px;
}

.specs-row,
.quick-spec-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-white);
    border-radius: 14px;
    border: 1px solid rgba(2, 6, 23, 0.06);
}

.specs-label,
.spec-key {
    color: var(--text-sub);
    font-size: 14px;
}

.specs-value,
.spec-value {
    color: var(--text-main);
    font-size: 14px;
    font-weight: 700;
    text-align: right;
}

.size-options,
.case-items,
.journey-steps {
    display: grid;
    gap: 12px;
}

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

.size-option,
.case-item,
.journey-step {
    background: var(--bg-white);
    border: 1px solid rgba(2, 6, 23, 0.06);
    border-radius: 18px;
}

.size-option {
    padding: 16px;
    text-align: center;
}

.size-option.highlight {
    border-color: rgba(230, 0, 0, 0.3);
    box-shadow: 0 12px 28px rgba(230, 0, 0, 0.08);
}

.size-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 6px;
}

.size-desc {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
}

.size-app {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.6;
}

.case-item {
    display: grid;
    grid-template-columns: 220px 1fr;
    overflow: hidden;
}

.case-item .case-image {
    height: 100%;
}

.case-item .case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.case-item .case-info {
    padding: 18px;
    color: var(--text-main);
}

.case-item .case-info h4 {
    margin-bottom: 6px;
    font-size: 20px;
}

.related-products-section {
    margin-top: 24px;
}

.related-products-section>h3 {
    font-size: 24px;
    margin-bottom: 14px;
    color: var(--text-main);
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.related-product-card {
    text-decoration: none;
    color: inherit;
    background: var(--bg-gray);
    border: 1px solid rgba(2, 6, 23, 0.06);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.25s ease;
}

.related-product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.rp-image img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
}

.rp-info {
    padding: 14px;
}

.rp-category {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 6px;
}

.rp-info h4 {
    font-size: 17px;
    color: var(--text-main);
    margin-bottom: 6px;
}

.rp-info p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
}

.product-detail-sidebar {
    display: grid;
    gap: 16px;
}

.product-detail-sidebar>div {
    padding: 20px;
}

.inquiry-card {
    position: sticky;
    top: 108px;
}

.inquiry-card h3,
.quick-specs h3,
.download-section h3,
.service-promise h3,
.product-journey h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-main);
}

.inquiry-card>p,
.service-promise span,
.download-size {
    color: var(--text-sub);
    line-height: 1.7;
}

.inquiry-phone {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 14px 16px;
    background: rgba(230, 0, 0, 0.08);
    border-radius: 16px;
    color: var(--text-main);
    font-weight: 700;
    margin: 16px 0;
}

.inquiry-phone i {
    color: var(--accent);
}

.inquiry-actions {
    display: grid;
    gap: 10px;
}

.inquiry-actions .btn {
    width: 100%;
}

.sidebar-note {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-top: 14px;
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.7;
}

.sidebar-note i {
    color: var(--accent);
    margin-top: 2px;
}

.download-section,
.product-journey,
.service-promise,
.quick-specs {
    background: var(--bg-white);
}

.download-item {
    display: flex;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    padding: 14px 0;
    border-top: 1px solid rgba(2, 6, 23, 0.06);
}

.download-item:first-of-type {
    border-top: none;
}

.download-item i {
    color: var(--accent);
    font-size: 20px;
    margin-top: 4px;
}

.download-name {
    display: block;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 3px;
}

.product-journey {
    padding: 20px;
}

.journey-steps {
    grid-template-columns: 1fr;
}

.journey-step {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 14px 16px;
}

.journey-step strong {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(230, 0, 0, 0.08);
    color: var(--accent);
    font-size: 15px;
}

.journey-step span {
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.5;
}

.contact-response-panel {
    display: grid;
    gap: 12px;
    margin-top: 24px;
}

.response-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 14px 16px;
}

.response-card strong {
    display: block;
    font-size: 14px;
    margin-bottom: 4px;
    color: var(--primary);
}

.response-card span {
    display: block;
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-sub);
}

.contact-text a {
    color: var(--accent);
    text-decoration: none;
}

.contact-text a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        padding: 24px;
        box-shadow: var(--shadow-md);
        transition: all 0.3s ease;
        align-items: stretch;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 15px;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link:hover,
    .nav-link.active {
        background-color: rgba(230, 0, 0, 0.08);
        border-radius: 8px;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 56px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 16px;
        line-height: 1.15;
        letter-spacing: -0.02em;
    }

    .hero-shell {
        grid-template-columns: 1fr;
        padding: 64px 0 28px;
    }

    .hero-subtitle {
        font-size: 21px;
        color: var(--secondary);
        margin-bottom: 16px;
        font-weight: 400;
        line-height: 1.4;
    }

    .hero-description {
        font-size: 17px;
        color: var(--secondary);
        margin-bottom: 40px;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
        line-height: 1.6;
    }

    .page-title {
        font-size: 48px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 12px;
        line-height: 1.2;
    }

    .page-subtitle {
        font-size: 18px;
        color: var(--secondary);
        font-weight: 400;
    }

    .section-title {
        font-size: 32px;
    }

    .hero-stats {
        display: flex;
        justify-content: center;
        gap: 48px;
        padding: 40px 0;
        border-top: 1px solid var(--border-color);
    }

    .trust-strip {
        grid-template-columns: 1fr;
    }

    .stat-divider {
        width: 1px;
        height: 60px;
        background-color: var(--border-color);
    }

    .hero-cta,
    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .products-grid,
    .cases-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .brand-story-grid,
    .case-spotlight-grid,
    .proof-wall-badges,
    .proof-wall-grid,
    .capability-grid {
        grid-template-columns: 1fr;
    }

    .product-detail-container,
    .product-intro-panel,
    .product-highlights,
    .value-strip,
    .applications,
    .size-options,
    .related-products-grid,
    .contact-wrapper,
    .map-content {
        grid-template-columns: 1fr;
    }

    .brand-story-visual img {
        height: 420px;
    }

    .gallery-main img {
        height: 320px;
    }

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

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

    .inquiry-card {
        position: static;
    }

    .final-cta-panel {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-top-panel {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 18px;
    }

    .footer-top-copy h3 {
        font-size: 22px;
    }

    .footer-top-actions {
        width: 100%;
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 56px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 16px;
        line-height: 1.15;
        letter-spacing: -0.02em;
    }

    .section-title {
        font-size: 28px;
    }

    .page-title {
        font-size: 48px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 12px;
        line-height: 1.2;
    }

    .hero-stats {
        display: flex;
        justify-content: center;
        gap: 48px;
        padding: 40px 0;
        border-top: 1px solid var(--border-color);
    }

    .stat-number {
        font-size: 48px;
        font-weight: 600;
        color: var(--primary);
        margin-bottom: 8px;
        line-height: 1;
    }

    .advantage-card,
    .product-info,
    .news-info {
        padding: 20px;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-links-inline {
        flex-direction: column;
        gap: 8px;
    }

    .footer-links-inline span {
        display: none;
    }
}

/* 响应式调整 - 发展历程 */
@media (max-width: 768px) {
    .timeline-container {
        padding-left: 16px;
    }

    .timeline-container::before {
        left: 16px;
    }

    .timeline-item {
        padding-left: 48px;
        padding-bottom: 48px;
    }

    .timeline-item::before {
        left: 11px;
    }

    .timeline-year {
        position: relative;
        text-align: left;
        width: auto;
        margin-bottom: 8px;
        font-size: 24px;
    }

    .timeline-item:hover {
        transform: translateX(4px);
    }
}

/* ==================== 首页品牌收口区 ==================== */
.brand-closure-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.closure-wrapper {
    background: linear-gradient(135deg, var(--primary) 0%, #000000 100%);
    border-radius: var(--radius-xl);
    padding: 80px 40px;
    position: relative;
    overflow: hidden;
    color: var(--bg-white);
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.closure-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(230, 0, 0, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.closure-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.closure-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 24px;
    color: var(--bg-white);
}

.closure-badge i {
    color: var(--accent);
}

.closure-title {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.closure-desc {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
}

.closure-trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.trust-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.trust-pill i {
    color: var(--accent);
}

.closure-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-outline.white {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--bg-white);
}

.btn-outline.white:hover {
    background-color: var(--bg-white);
    color: var(--primary);
    border-color: var(--bg-white);
}

@media (max-width: 768px) {
    .closure-wrapper {
        padding: 48px 24px;
        border-radius: var(--radius-lg);
    }

    .closure-title {
        font-size: 32px;
    }

    .closure-desc {
        font-size: 16px;
    }

    .closure-desc br {
        display: none;
    }

    .closure-actions {
        flex-direction: column;
        width: 100%;
    }

    .closure-actions .btn {
        width: 100%;
    }
}

/* ==================== 首页服务方法模块 ==================== */
.service-method-section {
    padding: 100px 0;
    background-color: var(--bg-gray);
}

.process-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 60px auto 0;
    position: relative;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
    width: 160px;
    transition: transform 0.3s ease;
}

.process-step:hover {
    transform: translateY(-8px);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-white);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.process-step:hover .step-icon {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--bg-white);
    box-shadow: 0 12px 24px rgba(230, 0, 0, 0.2);
}

.step-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 13px;
    color: var(--secondary);
    line-height: 1.5;
}

.process-arrow {
    color: var(--border-color);
    font-size: 24px;
    opacity: 0.6;
    animation: pulseArrow 2s infinite;
}

@keyframes pulseArrow {
    0% {
        transform: translateX(0);
        opacity: 0.3;
    }

    50% {
        transform: translateX(5px);
        opacity: 0.8;
    }

    100% {
        transform: translateX(0);
        opacity: 0.3;
    }
}

@media (max-width: 1024px) {
    .process-flow {
        flex-wrap: wrap;
        justify-content: center;
        gap: 32px 16px;
    }

    .process-arrow {
        display: none;
    }

    .process-step {
        width: calc(33.333% - 16px);
    }
}

@media (max-width: 768px) {
    .process-step {
        width: calc(50% - 16px);
    }

    .step-icon {
        width: 64px;
        height: 64px;
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .process-step {
        width: 100%;
        flex-direction: row;
        text-align: left;
        align-items: center;
        gap: 20px;
        background: var(--bg-white);
        padding: 20px;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
    }

    .process-step:hover {
        transform: translateX(8px);
    }

    .step-icon {
        margin-bottom: 0;
        flex-shrink: 0;
    }
}

/* 响应式调整 - 新闻模块 */
@media (max-width: 992px) {
    .news-item.featured {
        flex-direction: column;
        padding-bottom: 24px;
    }

    .news-item.featured .news-image {
        width: 100%;
        height: 240px;
    }

    .news-item.featured .news-content {
        width: 100%;
        padding: 24px 0 0 0;
    }

    .news-item.featured h2 {
        font-size: 24px;
    }
}

/* ==================== 新闻详情页 ==================== */
.news-detail-section {
    padding: 64px 0 100px;
    background-color: var(--bg-white);
}

.news-detail-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
}

.news-detail-main {
    background: var(--bg-white);
}

.article-header {
    margin-bottom: 32px;
}

.article-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.3;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.article-category {
    margin-bottom: 16px;
}

.news-category {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(230, 0, 0, 0.08);
    color: var(--accent);
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    color: var(--secondary);
    font-size: 14px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

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

.article-image {
    margin-bottom: 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.image-caption {
    text-align: center;
    font-size: 13px;
    color: var(--secondary);
    margin-top: 12px;
}

.article-content {
    font-size: 17px;
    line-height: 1.8;
    color: #333333;
}

.article-lead {
    font-size: 20px;
    line-height: 1.6;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 40px;
    padding-left: 24px;
    border-left: 4px solid var(--accent);
}

.article-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 24px;
}

.article-content p {
    margin-bottom: 24px;
}

.article-list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
}

.article-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 16px;
}

.article-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 20px;
    line-height: 1;
}

.article-footer {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.article-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.article-tags .tag {
    padding: 6px 16px;
    background: var(--bg-gray);
    color: var(--secondary);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.article-tags .tag:hover {
    background: rgba(230, 0, 0, 0.08);
    color: var(--accent);
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 48px;
    gap: 24px;
}

.nav-prev,
.nav-next,
.nav-link.prev,
.nav-link.next {
    flex: 1;
    padding: 24px;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-prev:hover,
.nav-next:hover,
.nav-link.prev:hover,
.nav-link.next:hover {
    background: rgba(230, 0, 0, 0.04);
}

.nav-next,
.nav-link.next {
    text-align: right;
    justify-content: flex-end;
}

.nav-label {
    display: block;
    font-size: 13px;
    color: var(--secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.nav-title {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.4;
}

/* 侧边栏 */
.news-detail-sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
}

.sidebar-widget {
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 32px;
}

.sidebar-widget h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-widget h3 i {
    color: var(--accent);
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: 12px;
}

.toc-list a {
    color: var(--secondary);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s ease;
}

.toc-list a:hover {
    color: var(--accent);
}

.popular-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.popular-list li {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 12px;
    margin-bottom: 16px;
    align-items: start;
}

.popular-number {
    width: 24px;
    height: 24px;
    background: rgba(29, 29, 31, 0.08);
    color: var(--primary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}

.popular-list li:nth-child(1) .popular-number,
.popular-list li:nth-child(2) .popular-number,
.popular-list li:nth-child(3) .popular-number {
    background: rgba(230, 0, 0, 0.08);
    color: var(--accent);
}

.popular-list a {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.4;
    font-weight: 500;
    transition: color 0.2s ease;
    margin-bottom: 4px;
    display: block;
}

.popular-list a:hover {
    color: var(--accent);
}

.popular-views {
    font-size: 12px;
    color: var(--secondary);
    grid-column: 2;
}

/* 文章中的功能网格 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.feature-item {
    background: var(--bg-gray);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: var(--bg-white);
}

.feature-icon {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 16px;
}

.feature-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary);
}

.feature-item p {
    font-size: 14px;
    color: var(--secondary);
    margin-bottom: 0;
}

/* 引用框 */
.quote-box {
    background: var(--bg-gray);
    padding: 40px;
    border-radius: var(--radius-lg);
    margin: 48px 0;
    text-align: center;
    position: relative;
}

.quote-box i {
    font-size: 24px;
    color: var(--accent);
    margin-bottom: 16px;
    opacity: 0.5;
}

.quote-box p {
    font-size: 20px;
    font-style: italic;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.quote-author {
    font-size: 15px;
    color: var(--secondary);
    font-weight: 600;
}

/* 相关推荐 */
.related-news {
    margin-top: 64px;
    padding-top: 48px;
    border-top: 1px solid var(--border-color);
}

.related-news h3 {
    font-size: 24px;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.related-item {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.related-image {
    aspect-ratio: 16/9;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 16px;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.related-info h4 {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 8px;
    color: var(--primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.related-date {
    font-size: 13px;
    color: var(--secondary);
}

/* 评论区 */
.comments-section {
    margin-top: 64px;
    padding-top: 48px;
    border-top: 1px solid var(--border-color);
}

.comments-section h3 {
    font-size: 24px;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.comment-item {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.comment-avatar {
    width: 48px;
    height: 48px;
    background: var(--bg-gray);
    color: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.comment-author {
    font-weight: 700;
    color: var(--primary);
}

.comment-date {
    font-size: 13px;
    color: var(--secondary);
}

.comment-text {
    font-size: 15px;
    margin-bottom: 12px;
    color: #444;
}

.comment-actions {
    display: flex;
    gap: 20px;
}

.comment-action {
    font-size: 13px;
    color: var(--secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.comment-action:hover {
    color: var(--accent);
}

.comment-form-wrapper {
    margin-top: 48px;
    padding: 32px;
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
}

.comment-form-wrapper h4 {
    margin-bottom: 24px;
    font-size: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: white;
    font-family: inherit;
    font-size: 15px;
}

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

/* 侧边栏小组件扩展 */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tags-cloud a {
    padding: 6px 14px;
    background: white;
    color: var(--secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s ease;
}

.tags-cloud a:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.sidebar-product {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    text-decoration: none;
    color: inherit;
    align-items: center;
}

.sidebar-product img {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
}

.sidebar-product-info h5 {
    font-size: 15px;
    margin-bottom: 4px;
    color: var(--primary);
}

.sidebar-product-info span {
    font-size: 12px;
    color: var(--accent);
    font-weight: 500;
}

.contact-widget p {
    margin-bottom: 12px;
    font-size: 15px;
}

.contact-widget p strong {
    color: var(--accent);
}

/* 分享 */
.share-section {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.tags-list a {
    padding: 6px 16px;
    background: var(--bg-gray);
    color: var(--secondary);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    margin-right: 8px;
    margin-bottom: 8px;
}

.tags-list a:hover {
    background: rgba(230, 0, 0, 0.08);
    color: var(--accent);
}

@media (max-width: 1024px) {
    .news-detail-container {
        grid-template-columns: 1fr;
    }

    .news-detail-sidebar {
        position: static;
        margin-top: 48px;
    }
}

@media (max-width: 768px) {
    .article-title {
        font-size: 28px;
    }

    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .article-lead {
        font-size: 18px;
    }

    .article-navigation {
        flex-direction: column;
    }

    .nav-next {
        text-align: left;
    }
}

/* ==================== 关于我们页面 ==================== */
.about-intro {
    padding: 100px 0;
}

.about-intro .about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-intro .about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.about-text h2.section-title-small {
    font-size: 32px;
    margin-bottom: 24px;
    color: var(--primary);
}

.about-text p {
    font-size: 16px;
    color: var(--secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.feature-badge {
    padding: 8px 20px;
    background: rgba(230, 0, 0, 0.05);
    border: 1px solid rgba(230, 0, 0, 0.1);
    border-radius: 30px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
}

/* 发展历程 - 时间轴 */
.timeline {
    background: var(--bg-gray);
    padding: 100px 0;
}

.timeline-container {
    max-width: 900px;
    margin: 60px auto 0;
    position: relative;
    padding-left: 40px;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -45px;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--bg-white);
    border: 3px solid var(--accent);
    border-radius: 50%;
    z-index: 2;
}

.timeline-year {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.timeline-content {
    background: var(--bg-white);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.timeline-content h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--primary);
}

.timeline-content p {
    font-size: 14px;
    color: var(--secondary);
}

/* 核心优势 - 卡片 */
.about-advantages {
    padding: 100px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.advantage-card-modern {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card-modern:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.advantage-icon-bg {
    width: 64px;
    height: 64px;
    background: var(--bg-gray);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent);
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.advantage-card-modern:hover .advantage-icon-bg {
    background: var(--accent);
    color: white;
}

.advantage-badge-num {
    position: absolute;
    top: 30px;
    right: 40px;
    font-size: 48px;
    font-weight: 800;
    color: var(--bg-gray);
    opacity: 0.5;
    z-index: 0;
}

.advantage-content-modern {
    position: relative;
    z-index: 1;
}

.advantage-content-modern h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.advantage-content-modern p {
    font-size: 14px;
    color: var(--secondary);
    margin-bottom: 20px;
}

.advantage-features {
    list-style: none;
    padding: 0;
}

.advantage-features li {
    font-size: 13px;
    color: var(--primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.advantage-features li i {
    color: var(--accent);
}

/* 荣誉资质 - 卡片 */
.honors {
    background: var(--bg-gray);
    padding: 100px 0;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.honor-card-modern {
    background: var(--bg-white);
    padding: 32px;
    border-radius: var(--radius-md);
    display: flex;
    gap: 20px;
    transition: all 0.3s ease;
}

.honor-card-modern:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.honor-badge {
    font-size: 32px;
    color: #cca43b;
    /* 金色调点缀荣誉 */
}

.honor-year {
    font-size: 14px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 4px;
}

.honor-content h3 {
    font-size: 17px;
    margin-bottom: 8px;
    color: var(--primary);
}

.honor-content p {
    font-size: 13px;
    color: var(--secondary);
    margin-bottom: 12px;
}

.honor-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-gray);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

/* 企业文化 - 卡片 */
.culture {
    padding: 100px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.culture-card-modern {
    display: flex;
    gap: 32px;
    padding: 48px;
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.culture-card-modern:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
}

.culture-icon-bg {
    width: 80px;
    height: 80px;
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.culture-english {
    font-size: 12px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.culture-content h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.culture-content p {
    font-size: 15px;
    color: var(--secondary);
    margin-bottom: 20px;
}

.culture-keywords {
    display: flex;
    gap: 12px;
}

.culture-keywords span {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.7;
}

@media (max-width: 1024px) {

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

    .about-intro .about-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {

    .about-advantages .advantages-grid,
    .honors .honors-grid,
    .culture .culture-grid {
        grid-template-columns: 1fr;
    }

    .culture-card-modern {
        flex-direction: column;
        padding: 32px;
        text-align: center;
    }

    .culture-icon-wrapper {
        display: flex;
        justify-content: center;
        margin-bottom: 24px;
    }
}

/* ==================== 产品参数表格 (新) ==================== */
.specs-section-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

.specs-section-header h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.specs-section-header h4 i {
    color: var(--accent);
}

.specs-table-modern {
    margin-bottom: 32px;
    overflow-x: auto;
}

.specs-table-modern table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
    background: white;
}

.specs-table-modern th {
    background: var(--bg-gray);
    color: var(--primary);
    text-align: left;
    padding: 16px;
    font-weight: 700;
    border: 1px solid var(--border-color);
}

.specs-table-modern td {
    padding: 16px;
    border: 1px solid var(--border-color);
    color: var(--secondary);
    line-height: 1.6;
}

.specs-table-modern tbody tr:hover {
    background-color: rgba(230, 0, 0, 0.02);
}

.specs-table-modern strong {
    color: var(--primary);
}

/* ==================== 工程业绩页面 ==================== */
.cases-section {
    padding: 80px 0 100px;
    background-color: var(--bg-gray);
}

.case-category-group {
    margin-bottom: 60px;
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.category-icon {
    width: 48px;
    height: 48px;
    background: rgba(230, 0, 0, 0.08);
    color: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.category-header h2 {
    font-size: 24px;
    font-weight: 700;
}

.cases-table-wrapper {
    overflow-x: auto;
}

.cases-table {
    width: 100%;
    border-collapse: collapse;
}

.cases-table th {
    text-align: left;
    padding: 16px;
    background: var(--bg-gray);
    color: var(--primary);
    font-weight: 700;
    border-bottom: 2px solid var(--border-color);
}

.cases-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--secondary);
    font-size: 15px;
}

.cases-table tr:hover {
    background-color: rgba(0, 0, 0, 0.01);
}

.cases-table td strong {
    color: var(--primary);
}

.performance-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    margin-top: 40px;
    padding: 32px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-lg);
}

.performance-footer .summary-text {
    display: flex;
    gap: 16px;
    align-items: center;
    font-size: 15px;
    max-width: 70%;
}

.performance-footer .summary-text i {
    font-size: 24px;
    opacity: 0.8;
}

.performance-footer .btn {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .performance-footer {
        flex-direction: column;
        text-align: center;
    }

    .performance-footer .summary-text {
        max-width: 100%;
        flex-direction: column;
    }
}

/* ==================== 新闻列表页 ==================== */
.news-section {
    padding: 80px 0 100px;
    background-color: var(--bg-gray);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.news-item {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.news-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.news-item.featured {
    grid-column: span 3;
    flex-direction: row;
    height: 400px;
}

.news-item.featured .news-image {
    width: 50%;
    height: 100%;
}

.news-item.featured .news-content {
    width: 50%;
    padding: 48px;
    justify-content: center;
}

.news-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

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

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

.news-content {
    padding: 32px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.news-meta-top {
    margin-bottom: 12px;
}

.news-date {
    font-size: 13px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
}

.news-item h3 a {
    text-decoration: none;
    color: var(--primary);
    transition: color 0.2s ease;
}

.news-item h3 a:hover {
    color: var(--accent);
}

.news-item p {
    font-size: 15px;
    color: var(--secondary);
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
}

.news-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.read-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.read-more:hover {
    gap: 12px;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.page-num,
.page-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    transition: all 0.3s ease;
}

.page-num:hover,
.page-btn:hover:not(.disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

.page-num.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-dots {
    color: var(--secondary);
}

@media (max-width: 1200px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-item.featured {
        grid-column: span 2;
    }
}

@media (max-width: 992px) {
    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-item.featured {
        grid-column: auto;
        flex-direction: column;
        height: auto;
    }

    .news-item.featured .news-image {
        width: 100%;
        height: 240px;
    }

    .news-item.featured .news-content {
        width: 100%;
        padding: 32px;
    }
}
/* ==================== 顶部导航栏新 Logo 排版 ==================== */
.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

.brand-top-tags {
    display: flex;
    flex-direction: column; /* 纵向排列，与名片一致 */
    align-items: flex-start;
    gap: 2px;
}

.brand-tag-red {
    font-family: 'KaiTi', 'STKaiti', '楷体', serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent); /* 红色，与驰名商标和Logo呼应 */
    letter-spacing: 2px;
    line-height: 1.1;
}

.brand-slogan-main {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
    margin: 0;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .brand-slogan-main {
        font-size: 15px;
        letter-spacing: 1px;
    }
    .brand-tag-red {
        font-size: 11px;
    }
    .brand-top-tags {
        gap: 0;
    }
}