/* ========================================
   云佳美日化科技集团 - 全局样式表
   主色：深海科技蓝 #0066CC
   风格：Apple Ins极简 + 蓝月亮高端蓝
   ======================================== */

/* ===== CSS 变量 ===== */
:root {
    --color-primary: #0066CC;
    --color-primary-light: #3D8BD9;
    --color-primary-dark: #004C99;
    --color-primary-gradient: linear-gradient(135deg, #0066CC 0%, #004C99 100%);
    --color-white: #FFFFFF;
    --color-bg-gray: #F5F7FA;
    --color-text-dark: #333333;
    --color-text-gray: #666666;
    --color-text-light: #999999;
    --color-border: #E8EAED;
    --color-shadow: rgba(0, 102, 204, 0.12);
    --color-shadow-hover: rgba(0, 102, 204, 0.22);
    --color-overlay: rgba(0, 76, 153, 0.85);
    --color-footer: #1A2332;
    --color-footer-dark: #0F1620;

    --font-cn: "Microsoft YaHei", "Source Han Sans SC", "PingFang SC", "Helvetica Neue", sans-serif;
    --font-en: "Arial", "Helvetica Neue", sans-serif;

    --max-width: 1200px;
    --nav-height: 92px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-cn);
    color: var(--color-text-dark);
    background: var(--color-white);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

/* ===== 布局容器 ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: 100px 0;
}

.section-sm {
    padding: 60px 0;
}

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

.section-bg-blue {
    background: var(--color-primary-gradient);
    color: var(--color-white);
}

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

/* ===== 标题排版 ===== */
.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.section-title-white {
    color: var(--color-white);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-gray);
    margin-bottom: 50px;
    font-weight: 400;
    letter-spacing: 1px;
}

.section-subtitle-white {
    color: rgba(255, 255, 255, 0.8);
}

.title-divider {
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
    margin: 20px auto 40px;
}

.title-divider-white {
    background: var(--color-white);
}

.title-left .title-divider {
    margin-left: 0;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 60px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid var(--color-border);
}

/* 页面非首页时导航栏始终白色实底 */
.navbar.navbar-solid {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid var(--color-border);
}

.nav-logo {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.nav-logo-img {
    height: 90px;
    width: auto;
    object-fit: contain;
}

/* 旧版文字logo样式保留备用 */
.nav-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.nav-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.nav-logo-text .logo-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: 1px;
}

.nav-logo-text .logo-en {
    font-size: 0.7rem;
    color: var(--color-text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: var(--font-en);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu > li > a {
    display: block;
    padding: 8px 18px;
    font-size: 0.95rem;
    color: var(--color-text-dark);
    border-radius: var(--radius-sm);
    font-weight: 500;
    position: relative;
    transition: var(--transition-fast);
}

.nav-menu > li > a:hover {
    color: var(--color-primary);
    background: rgba(0, 102, 204, 0.06);
}

.nav-menu > li > a.active {
    color: var(--color-primary);
}

.nav-menu > li > a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

/* ===== 二级下拉菜单 ===== */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-arrow {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.nav-dropdown.open .nav-arrow {
    transform: rotate(180deg);
}

.nav-submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.12);
    padding: 8px 0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 1001;
    border: 1px solid var(--color-border);
}

.nav-dropdown.open .nav-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(4px);
}

.nav-submenu li a {
    display: block;
    padding: 10px 24px;
    font-size: 0.9rem;
    color: var(--color-text-dark);
    white-space: nowrap;
    transition: var(--transition-fast);
}

.nav-submenu li a:hover {
    background: rgba(0, 102, 204, 0.06);
    color: var(--color-primary);
}

.nav-submenu li a.sub-active {
    color: var(--color-primary);
    font-weight: 600;
    background: rgba(0, 102, 204, 0.04);
}

/* 移动端汉堡按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 26px;
    height: 3px;
    background: var(--color-text-dark);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--color-primary-gradient);
    color: var(--color-white);
    box-shadow: 0 8px 30px var(--color-shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--color-shadow-hover);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

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

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

/* ===== 卡片 ===== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 102, 204, 0.15);
}

.card-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    background: var(--color-bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.card-body {
    padding: 28px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text-dark);
}

.card-text {
    color: var(--color-text-gray);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ===== 网格布局 ===== */
.grid {
    display: grid;
    gap: 30px;
}

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

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

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

/* ===== 页面Banner（内页通用）- 顺丰风格：图片清晰 + 文字左叠加 ===== */
.page-banner {
    position: relative;
    height: 420px;
    display: flex;
    align-items: center;
    text-align: left;
    background-color: var(--color-primary-dark);
    background-size: cover;
    background-position: center 35%;
    background-repeat: no-repeat;
    overflow: hidden;
    margin-top: var(--nav-height);
}

/* 仅左侧淡淡暗色渐变，图片其余区域保持清晰可见 */
.page-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 55%; height: 100%;
    background: linear-gradient(90deg, rgba(0,12,30,0.55) 0%, rgba(0,20,45,0.25) 50%, transparent 100%);
    z-index: 1;
}
/* 底部淡淡过渡 */
.page-banner::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 35%;
    background: linear-gradient(180deg, transparent 0%, rgba(0,15,35,0.18) 100%);
    z-index: 1;
}

.page-banner-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
    width: 100%;
}

.page-banner h1 {
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-bottom: 14px;
    line-height: 1.25;
    text-shadow: 0 2px 14px rgba(0,0,0,0.25);
}

.page-banner p {
    font-size: 1.05rem;
    opacity: 0.9;
    letter-spacing: 2px;
    max-width: 520px;
    text-shadow: 0 1px 8px rgba(0,0,0,0.2);
}

.page-banner-en {
    font-size: 0.82rem;
    opacity: 0.65;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-family: var(--font-en);
    font-weight: 500;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-footer);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
}

.footer-brand .logo-name {
    font-size: 1.3rem;
    color: var(--color-white);
    font-weight: 700;
    margin-bottom: 16px;
    display: block;
}

.footer-logo-img {
    max-width: 200px;
    height: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--color-white);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact-item .icon {
    color: var(--color-primary-light);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    background: var(--color-footer-dark);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* ===== 滚动动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* ===== 数字统计 ===== */
.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 12px;
    font-family: var(--font-en);
}

.stat-number-white {
    color: var(--color-white);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    letter-spacing: 1px;
}

.stat-label-white {
    color: rgba(255, 255, 255, 0.8);
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
}

/* ===== 时间轴 ===== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 50px 50px 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding: 0 0 50px 50px;
}

.timeline-item:nth-child(even) .timeline-content {
    text-align: right;
}

.timeline-dot {
    position: absolute;
    right: -8px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 4px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--color-primary);
    z-index: 2;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
    right: auto;
}

.timeline-content {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: 0 10px 40px var(--color-shadow-hover);
    transform: translateY(-4px);
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 8px;
    font-family: var(--font-en);
}

.timeline-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-dark);
}

.timeline-desc {
    font-size: 0.88rem;
    color: var(--color-text-gray);
    line-height: 1.7;
}

/* ===== 荣誉证书卡片 ===== */
.honor-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--color-border);
}

.honor-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 50px var(--color-shadow-hover);
    border-color: var(--color-primary-light);
}

.honor-card-img {
    height: 220px;
    background: var(--color-bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.honor-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

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

.honor-card-body h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

/* ===== 团队卡片 ===== */
.team-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px var(--color-shadow-hover);
    border-color: var(--color-primary-light);
}

.team-card-photo {
    width: 100%;
    height: 320px;
    background: var(--color-bg-gray);
    overflow: hidden;
    position: relative;
}

.team-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.team-card-body {
    padding: 28px 24px;
}

.team-card-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 6px;
}

.team-card-position {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 14px;
}

.team-card-bio {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    line-height: 1.7;
}

/* ===== 产品卡片 ===== */
.product-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px var(--color-shadow-hover);
}

.product-card-img {
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--color-bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.product-card-body {
    padding: 24px;
    text-align: center;
}

.product-card-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 8px;
}

.product-card-desc {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    line-height: 1.6;
}

.product-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(0, 102, 204, 0.1);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
}

/* ===== 新闻卡片 ===== */
.news-card {
    display: flex;
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    margin-bottom: 24px;
}

/* 新闻卡片作为链接：去掉下划线，保持卡片外观 */
a.news-card-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.news-card:hover {
    box-shadow: 0 12px 40px var(--color-shadow-hover);
    transform: translateX(4px);
}

.news-card-img {
    width: 280px;
    min-height: 180px;
    flex-shrink: 0;
    overflow: hidden;
    background: var(--color-bg-gray);
}

.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.news-card-body {
    padding: 28px 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-card-date {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 10px;
    font-family: var(--font-en);
}

.news-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 10px;
    transition: var(--transition-fast);
}

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

.news-card-excerpt {
    font-size: 0.88rem;
    color: var(--color-text-gray);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-pin {
    display: inline-block;
    padding: 2px 10px;
    background: var(--color-primary);
    color: white;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 10px;
    vertical-align: middle;
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 50px;
}

.pagination a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-text-gray);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

/* ===== 联系页面 ===== */
.contact-info-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    text-align: center;
    border-top: 4px solid var(--color-primary);
}

.contact-info-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 50px var(--color-shadow-hover);
}

.contact-info-card .icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(0, 102, 204, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: var(--color-primary);
}

.contact-info-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-text-dark);
}

.contact-info-card p {
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 600;
    font-family: var(--font-en);
}

.contact-info-card .label {
    font-size: 0.82rem;
    color: var(--color-text-gray);
    margin-top: 4px;
}

/* ===== 业务版图 ===== */
.map-region-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 36px 30px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    border: 1px solid var(--color-border);
    height: 100%;
}

.map-region-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 50px var(--color-shadow-hover);
    border-color: var(--color-primary-light);
}

.map-region-card .region-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--color-primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: white;
}

.map-region-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text-dark);
}

.map-region-card .region-en {
    font-size: 0.75rem;
    color: var(--color-text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
    font-family: var(--font-en);
}

.map-region-card ul {
    margin-top: 16px;
}

.map-region-card ul li {
    padding: 8px 0;
    font-size: 0.88rem;
    color: var(--color-text-gray);
    border-bottom: 1px dashed var(--color-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.map-region-card ul li:last-child {
    border-bottom: none;
}

.map-region-card ul li::before {
    content: '▸';
    color: var(--color-primary);
}

/* ===== 业务体系标签 ===== */
.business-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--color-white);
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.business-tag:hover {
    background: var(--color-primary-gradient);
    color: var(--color-white);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px var(--color-shadow-hover);
}

.business-tag .tag-icon {
    font-size: 1.2rem;
}

/* ===== 新闻分类标签栏（永久固定，点击不消失） ===== */
.news-section {
    padding: 15px 0;
}

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

.news-tab {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-gray);
    background: #f0f4f8;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    user-select: none;
}

.news-tab:hover {
    background: #e0e8f0;
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,102,204,0.15);
}

.news-tab.active {
    background: var(--color-primary-gradient);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(0,102,204,0.3);
    font-weight: 600;
}

/* ===== 快捷入口卡片 ===== */
.quick-entry {
    position: relative;
    height: 280px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    display: flex;
    align-items: flex-end;
    padding: 32px;
    transition: var(--transition);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.quick-entry::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.78) 0%, rgba(0, 102, 204, 0.72) 100%);
    z-index: 1;
    transition: var(--transition);
}

.quick-entry:hover::before {
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.65) 0%, rgba(0, 102, 204, 0.58) 100%);
}

.quick-entry::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Ccircle cx='20' cy='20' r='1.5'/%3E%3C/g%3E%3C/svg%3E");
    z-index: 2;
}

.quick-entry:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px var(--color-shadow-hover);
}

.quick-entry-content {
    position: relative;
    z-index: 3;
    color: var(--color-white);
}

.quick-entry-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.quick-entry-content p {
    font-size: 0.85rem;
    opacity: 0.8;
}

.quick-entry-arrow {
    position: absolute;
    top: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    z-index: 3;
    transition: var(--transition);
    font-size: 1.2rem;
}

.quick-entry:hover .quick-entry-arrow {
    background: var(--color-white);
    color: var(--color-primary);
    transform: rotate(-45deg);
}

/* ===== 工具类 ===== */
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }
.py-20 { padding-top: 20px; padding-bottom: 20px; }
.text-primary { color: var(--color-primary); }
.text-gray { color: var(--color-text-gray); }
.text-white { color: var(--color-white); }
.fw-bold { font-weight: 700; }
.fw-600 { font-weight: 600; }

/* ===== 回到顶部 ===== */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 20px var(--color-shadow);
    font-size: 1.2rem;
}

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

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ===== 移动端遮罩 ===== */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    display: block;
    opacity: 1;
}

/* ===== 首页全屏轮播 ===== */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1.2s ease;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    z-index: 2;
}

/* 视频背景 */
.hero-slide-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
    pointer-events: none;
}

/* 图片背景 */
.hero-slide-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

/* Canvas 粒子动画层 */
.hero-slide-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-slide-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.15) 100%);
}

.hero-slide.has-video .hero-slide-overlay {
    background: linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.25) 50%, rgba(0,0,0,0.45) 100%);
}

.hero-slide-pattern {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'%3E%3Cpath d='M0 40h80M40 0v80'/%3E%3Ccircle cx='40' cy='40' r='30'/%3E%3C/g%3E%3C/svg%3E");
}

.hero-slide-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: 0 40px;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 1s ease 0.3s, opacity 1s ease 0.3s;
}

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

.hero-slide-en {
    font-size: 0.75rem;
    letter-spacing: 3px;
    opacity: 0.6;
    margin-bottom: 20px;
    font-family: var(--font-en);
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.hero-slide-content h2 {
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: 2px;
    line-height: 1.3;
    margin-bottom: 24px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.hero-slide-desc {
    font-size: 1.15rem;
    opacity: 0.85;
    letter-spacing: 2px;
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 视频幻灯片品牌水印 */
.hero-slide-brand {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.08);
    letter-spacing: 20px;
    z-index: 2;
    pointer-events: none;
    text-shadow: 0 0 60px rgba(0, 102, 204, 0.15);
    white-space: nowrap;
}

/* 轮播控制器 */
.hero-dots {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

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

.hero-dot.active {
    background: var(--color-white);
    width: 36px;
    border-radius: 6px;
}

.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
}

.hero-arrow-left { left: 40px; }
.hero-arrow-right { right: 40px; }

/* ===== 集团简介导语 ===== */
.intro-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-block .intro-en {
    font-size: 0.8rem;
    letter-spacing: 4px;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 20px;
    font-family: var(--font-en);
    font-weight: 600;
}

.intro-block .intro-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--color-text-dark);
    letter-spacing: 2px;
}

.intro-block .intro-text {
    font-size: 1.05rem;
    color: var(--color-text-gray);
    line-height: 2;
    letter-spacing: 1px;
}

/* ===== 全球版图地图区域（深色科技蓝风） ===== */
.world-map-section {
    position: relative;
    background: linear-gradient(180deg, #0a1929 0%, #0d2847 50%, #0a1929 100%);
    padding: 60px 0;
    padding-top: calc(60px + var(--nav-height));
    overflow: hidden;
}

.world-map-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(ellipse at center, rgba(0, 102, 204, 0.12) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.world-map-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 60px rgba(0, 102, 204, 0.15);
    padding-bottom: 56.8%;
    height: 0;
    background: linear-gradient(180deg, rgba(10,25,41,0.95) 0%, rgba(13,40,71,0.95) 100%);
    border: 1px solid rgba(0, 102, 204, 0.25);
}

.world-map-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0,102,204,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,102,204,0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.world-map-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 16px;
}

.map-dot {
    cursor: pointer;
    transition: all 0.3s ease;
    animation: mapGlow 2s ease-in-out infinite;
}
.map-dot-hq {
    cursor: pointer;
    animation: mapGlowHQ 1.5s ease-in-out infinite;
}

.map-dot:hover { r: 8; fill: #ff4444 !important; }
.map-dot-hq:hover { r: 10; fill: #ff4444 !important; }

.map-dot-label {
    fill: #1a2a3a;
    font-size: 10px;
    font-family: 'Microsoft YaHei','PingFang SC',sans-serif;
    pointer-events: none;
}

.map-pulse {
    pointer-events: none;
}

.map-marker-label {
    pointer-events: none;
}
.map-marker-label rect {
    fill: rgba(0, 102, 204, 0.85);
    stroke: rgba(255, 255, 255, 0.3);
    stroke-width: 0.5;
}
.map-marker-label text {
    fill: #ffffff;
    font-size: 11px;
    font-weight: 600;
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    text-anchor: middle;
    dominant-baseline: middle;
}
.map-marker-hq rect {
    fill: rgba(230, 57, 70, 0.9);
    stroke: rgba(255, 255, 255, 0.4);
    stroke-width: 0.8;
}
.map-sub-label {
    fill: rgba(255, 255, 255, 0.6);
    font-size: 9px;
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

/* 动画连接线 - 流动效果 */
.flow-line {
    fill: none;
    stroke: #0066CC;
    stroke-width: 1.5;
    stroke-dasharray: 8, 12;
    opacity: 0.6;
    animation: flowDash 2s linear infinite;
}

@keyframes flowDash {
    to { stroke-dashoffset: -20; }
}

/* 脉冲圆环 */
.pulse-ring {
    animation: pulseRing 2.5s ease-out infinite;
    transform-origin: center;
}

@keyframes pulseRing {
    0% { transform: scale(0.6); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

@keyframes mapGlow {
    0%, 100% { opacity: 0.95; }
    50% { opacity: 0.6; }
}
@keyframes mapGlowHQ {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
@keyframes pulse-text {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ===== 关于集团 - 图文左右排列 ===== */
.about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-split-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.about-split-img img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-split-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text-dark);
}

.about-split-text .about-en {
    font-size: 0.8rem;
    letter-spacing: 3px;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 16px;
    font-family: var(--font-en);
    font-weight: 600;
}

.about-split-text p {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 2;
    margin-bottom: 16px;
}

.about-features {
    margin-top: 30px;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.about-feature-item .check-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 102, 204, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.about-feature-item span {
    font-size: 0.95rem;
    color: var(--color-text-dark);
    font-weight: 500;
}