/**
 * 武汉时代金丰仪器有限公司 - 主样式文件
 * Modern Corporate Website Styles
 */

/* ========== 基础重置与变量 ========== */
:root {
    --primary: #0A2463;
    --primary-light: #1a3a7a;
    --gold: #C9A962;
    --gold-light: #d4b978;
    --bg-gray: #F5F6F8;
    --white: #FFFFFF;
    --text-dark: #2D3436;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --border: #E5E7EB;
    --blue-light: #E8EEF5;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --radius: 8px;
    --radius-sm: 4px;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

ul, ol {
    list-style: none;
}

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

/* ========== 导航栏 ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: var(--transition);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo img{
    height: 60px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 18px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo-sub {
    font-size: 11px;
    color: var(--text-gray);
    font-weight: 400;
}

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

.nav-item {
    position: relative;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary);
}

.nav-item:hover::after,
.nav-item.active::after {
    width: 60%;
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
}

.header-contact i {
    font-size: 18px;
    color: var(--gold);
}

/* 汉堡菜单 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== 按钮组件 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

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

.btn-primary:hover {
    background: var(--gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-gold {
    background: var(--gold);
    color: var(--white);
}

.btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

/* ========== 页面横幅 ========== */
.page-banner {
    position: relative;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
    overflow: hidden;
}

.page-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.page-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 36, 99, 0.85) 0%, rgba(10, 36, 99, 0.7) 100%);
    z-index: 1;
}

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

.page-banner h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 14px;
    opacity: 0.9;
}

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

.breadcrumb-sep {
    opacity: 0.5;
}

/* ========== 区块标题 ========== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--gold);
}

.section-header p {
    font-size: 16px;
    color: var(--text-gray);
    margin-top: 20px;
}

.section-header-left {
    text-align: left;
}

.section-header-left h2::after {
    left: 0;
    transform: none;
}

/* ========== 卡片组件 ========== */
.card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.card-img {
    overflow: hidden;
    position: relative;
}

.card-img img {
    width: 100%;
    transition: var(--transition);
}

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

.card-body {
    padding: 24px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.card-text {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ========== 首页 Hero 轮播 ========== */
.hero {
    position: relative;
    height: 550px;
    margin-top: 70px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
    background-size: cover;
    background-position: center;
}

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

.hero-slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(10, 36, 99, 0.85) 0%, rgba(10, 36, 99, 0.5) 60%, transparent 100%);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: var(--max-width);
    padding: 0 24px;
    z-index: 2;
    color: var(--white);
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.3s;
}

.hero-slide.active .hero-title {
    opacity: 1;
    transform: translateY(0);
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.5s;
    max-width: 600px;
}

.hero-slide.active .hero-subtitle {
    opacity: 0.9;
    transform: translateY(0);
}

.hero-btns {
    display: flex;
    gap: 16px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.7s;
}

.hero-slide.active .hero-btns {
    opacity: 1;
    transform: translateY(0);
}

/* 轮播箭头 */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    z-index: 3;
    font-size: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-arrow:hover {
    background: rgba(255, 255, 255, 0.4);
}

.hero-arrow.prev {
    left: 30px;
}

.hero-arrow.next {
    right: 30px;
}

/* 轮播指示点 */
.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-dot.active {
    background: var(--gold);
    border-color: var(--gold);
    transform: scale(1.2);
}

.hero-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

/* ========== 通用区块 ========== */
.section {
    padding: 80px 0;
}

.section-gray {
    background: var(--bg-gray);
}

.section-blue {
    background: var(--blue-light);
}

/* ========== 公司简介区 ========== */
.about-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

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

.about-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

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

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dark);
}

.about-feature i {
    color: var(--gold);
    font-size: 16px;
}

/* ========== 产品网格 ========== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

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

.product-card-img {
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gray);
    padding: 20px;
}

.product-card-img img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: var(--transition);
}

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

.product-card-body {
    padding: 20px;
    text-align: center;
}

.product-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.product-card-cat {
    font-size: 13px;
    color: var(--text-gray);
}

/* 产品分类标签 */
.product-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.product-tab {
    padding: 10px 28px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-gray);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.product-tab:hover,
.product-tab.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* ========== 新闻列表 ========== */
.news-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.news-featured {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.news-featured img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 24px 24px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
}

.news-featured-date {
    font-size: 13px;
    opacity: 0.8;
    margin-bottom: 8px;
}

.news-featured-title {
    font-size: 18px;
    font-weight: 600;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.news-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--radius);
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.news-item:hover {
    border-left-color: var(--gold);
    background: var(--blue-light);
    transform: translateX(4px);
}

.news-item-date {
    min-width: 70px;
    text-align: center;
}

.news-item-date .day {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.news-item-date .month {
    font-size: 12px;
    color: var(--text-gray);
}

.news-item-content {
    flex: 1;
}

.news-item-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-item:hover .news-item-title {
    color: var(--primary);
}

/* ========== 客户案例 ========== */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.client-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    min-height: 140px;
}

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

.client-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    font-weight: 700;
}

.client-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    text-align: center;
}

/* ========== 联系区块 ========== */
.contact-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.contact-bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    padding: 40px 24px;
}

.contact-bar-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 24px;
    box-shadow: var(--shadow);
}

.contact-bar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

.contact-bar-info {
    font-size: 15px;
    color: var(--text-gray);
}

/* ========== Footer ========== */
.footer {
    background: var(--primary);
    color: var(--white);
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
    color: var(--white);
    margin-bottom: 16px;
    display: block;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--gold);
}

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

.footer-links a {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--gold);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 14px;
    opacity: 0.9;
}

.footer-contact-item i {
    color: var(--gold);
    margin-top: 3px;
    min-width: 16px;
}

.footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    opacity: 0.7;
}

.footer-bottom a {
    opacity: 0.8;
}

.footer-bottom a:hover {
    opacity: 1;
    color: var(--gold);
}

/* ========== 浮动工具栏 ========== */
.float-bar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
}

.float-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-hover);
    font-size: 18px;
    position: relative;
}

.float-btn:hover {
    background: var(--gold);
    transform: scale(1.1);
}

.float-btn .tooltip {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-dark);
    color: var(--white);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.float-btn:hover .tooltip {
    opacity: 1;
    visibility: visible;
}

.float-btn.gold {
    background: var(--gold);
}

.float-btn.gold:hover {
    background: var(--gold-light);
}

/* ========== 返回顶部 ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gold);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    z-index: 998;
    font-size: 18px;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--gold-light);
    transform: translateY(-4px);
}

/* ========== 关于页面 ========== */
.about-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.about-info-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.about-info-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary);
    font-size: 28px;
}

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

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

/* 时间轴 */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--gold);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 2px var(--gold);
}

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

.timeline-content {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========== 支持页面 ========== */
.support-services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.support-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.support-card-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--primary);
    font-size: 32px;
}

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

.support-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* FAQ */
.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-header:hover {
    background: var(--bg-gray);
}

.faq-header h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
}

.faq-icon {
    font-size: 20px;
    color: var(--gold);
    transition: var(--transition);
    min-width: 24px;
    text-align: center;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-body {
    max-height: 300px;
}

.faq-body-inner {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ========== 招聘页面 ========== */
.job-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.job-item {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.job-header {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.job-header:hover {
    background: var(--bg-gray);
}

.job-info h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 6px;
}

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

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

.job-tag {
    padding: 4px 12px;
    background: var(--blue-light);
    color: var(--primary);
    font-size: 12px;
    border-radius: 20px;
    font-weight: 500;
}

.job-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.job-item.active .job-body {
    max-height: 500px;
}

.job-body-inner {
    padding: 0 24px 24px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.job-body-inner h5 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 16px 0 8px;
}

.job-body-inner h5:first-child {
    margin-top: 0;
}

.job-body-inner ul {
    padding-left: 20px;
    list-style: disc;
}

.job-body-inner li {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 6px;
    line-height: 1.6;
}

/* ========== 联系页面 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

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

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-info-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-hover);
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 50%;
    background: var(--blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
}

.contact-info-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.contact-info-item p {
    font-size: 14px;
    color: var(--text-gray);
}

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

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    font-size: 15px;
    color: var(--text-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10, 36, 99, 0.1);
}

textarea.form-control {
    height: auto;
    padding: 12px 16px;
    min-height: 120px;
    resize: vertical;
}

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

/* ========== 滚动动画 ========== */
.animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }
.animate-delay-5 { transition-delay: 0.5s; }

/* ========== 侧边栏 + 内容布局 ========== */
.page-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
}

.sidebar {
    position: sticky;
    top: 90px;
    align-self: start;
}

.sidebar-header {
    background: linear-gradient(135deg, #1a5f9e 0%, #0d3a6a 100%);
    border-radius: var(--radius);
    padding: 28px 24px;
    color: var(--white);
    margin-bottom: 16px;
}

.sidebar-header h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}

.sidebar-header span {
    font-size: 13px;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.sidebar-link {
    display: block;
    padding: 14px 24px;
    font-size: 15px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border);
    position: relative;
    transition: var(--transition);
}

.sidebar-link:last-child {
    border-bottom: none;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

.sidebar-link:hover,
.sidebar-link.active {
    background: var(--blue-light);
    color: var(--primary);
    padding-left: 28px;
}

.sidebar-link:hover::before,
.sidebar-link.active::before {
    opacity: 1;
}

.sidebar-contact {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.sidebar-contact-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.sidebar-contact-title .label-cn {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.sidebar-contact-title .label-en {
    font-size: 11px;
    color: var(--gold);
    text-transform: uppercase;
}

.sidebar-phone {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.sidebar-contact-info {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 2;
}

.sidebar-contact-info p {
    margin: 0;
}

/* 内容区域 */
.main-content {
    min-width: 0;
}

.content-section {
    margin-bottom: 60px;
}

.section-title-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-title-bar h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title-bar h2 .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: var(--white);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 700;
}

.breadcrumb-inline {
    font-size: 13px;
    color: var(--text-gray);
}

.breadcrumb-inline a {
    color: var(--text-gray);
}

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

.content-body {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    font-size: 15px;
    line-height: 2;
    color: var(--text-dark);
}

.content-body p {
    margin-bottom: 16px;
    text-indent: 2em;
}

.content-body p:last-child {
    margin-bottom: 0;
}

/* 企业文化条目 */
.culture-item {
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
    line-height: 1.8;
}

.culture-item:last-child {
    border-bottom: none;
}

.culture-star {
    color: #e74c3c;
    font-size: 16px;
    margin-right: 4px;
}

/* 产品树形菜单 */
.product-tree {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.tree-item {
    border-bottom: 1px solid var(--border);
}

.tree-item:last-child {
    border-bottom: none;
}

.tree-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}

.tree-toggle:hover {
    background: var(--blue-light);
    color: var(--primary);
}

.tree-toggle.active {
    background: var(--blue-light);
    color: var(--primary);
    font-weight: 600;
}

.tree-arrow {
    font-size: 12px;
    transition: var(--transition);
}

.tree-toggle.active .tree-arrow {
    transform: rotate(90deg);
}

.tree-children {
    display: none;
    background: var(--bg-gray);
}

.tree-children.show {
    display: block;
}

.tree-child-link {
    display: block;
    padding: 10px 20px 10px 36px;
    font-size: 13px;
    color: var(--text-gray);
    border-bottom: 1px solid #eee;
    transition: var(--transition);
}

.tree-child-link:last-child {
    border-bottom: none;
}

.tree-child-link:hover,
.tree-child-link.active {
    color: var(--primary);
    background: var(--blue-light);
}

/* 新闻列表（源站风格） */
.news-list-classic {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
}

.news-list-classic .news-row-item {
    display: flex;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
    transition: var(--transition);
}

.news-row-item:last-child {
    border-bottom: none;
}

.news-row-item:hover {
    color: var(--primary);
    padding-left: 8px;
}

.news-row-item .dot {
    color: var(--text-light);
    margin-right: 10px;
    font-size: 12px;
}

.news-row-item .title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-row-item .date {
    color: var(--text-gray);
    font-size: 13px;
    margin-left: 16px;
    min-width: 90px;
    text-align: right;
}

/* 客户网格 */
.client-logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.client-logo-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 12px;
    text-align: center;
    font-size: 13px;
    color: var(--text-dark);
    transition: var(--transition);
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

/* 案例页面 ========== */
.case-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.case-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.case-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.case-card-img {
    background: var(--blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
}

.case-card-img i {
    font-size: 48px;
    color: var(--primary);
}

.case-card-body {
    padding: 24px;
}

.case-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.case-card-body .date {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.case-card-body p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ========== 分页 ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.page-item {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-gray);
    background: var(--white);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.page-item:hover,
.page-item.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}