/* 视频懒加载样式 */
.auto-play-video {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    /* GPU 加速：让 transform/opacity 走合成层 */
    transform: translateZ(0);
    will-change: transform, opacity;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    line-height: 1.6;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    padding: 0 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    z-index: 1000;
    background: transparent;
    transition: background 0.3s ease, transform 0.3s ease;
}

header.navbar-hidden {
    transform: translateY(-100%);
}

header.scrolled {
    background: rgba(0, 0, 0, 0.918);
}

/* 深色滚动态（recruitment 深色页等使用） */
header.scrolled-dark {
    background: rgba(0, 0, 0, 0.918);
    color: #fff;
}

header.scrolled-dark .main-nav a,
header.scrolled-dark .nav-right > a,
header.scrolled-dark .nav-locale,
header.scrolled-dark .nav-locale .locale-icon,
header.scrolled-dark .nav-locale .chev {
    color: #fff;
    fill: #fff;
}

/* Logo */
.logo {
    width: 180px;
    height: auto;
    object-fit: contain;
    display: block;
}

.logo-small {
    width: 161px;
    height: 11px;
    object-fit: contain;
}

/* 主导航菜单 */
.main-nav {
    display: flex;
    align-items: center;
    gap: 36px;
    height: 100%;
}

.main-nav > .nav-item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.main-nav > .nav-item > a,
.main-nav > .nav-item > .nav-trigger {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    height: 100%;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
}

.main-nav > .nav-item > a:hover,
.main-nav > .nav-item:hover > .nav-trigger,
.main-nav > .nav-item.is-open > .nav-trigger {
    color: rgba(255, 255, 255, 0.7);
}

.main-nav > .nav-item.is-open > .nav-trigger .chev {
    transform: rotate(180deg);
}

.chev {
    width: 12px;
    height: 12px;
    fill: currentColor;
    transition: transform 0.25s ease;
}

/* 下拉菜单容器 */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 8px);
    min-width: 125px;
    padding: 10px;
    background: rgba(20, 20, 22, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 1100;
}

.nav-item.is-open > .nav-dropdown,
.nav-item:hover > .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.nav-dropdown a {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    transition: background 0.2s ease, color 0.2s ease;
    white-space: nowrap;
    text-align: center;
}

.nav-dropdown a:hover,
.nav-dropdown a.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* 导航右侧 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 100%;
}

.nav-locale {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    user-select: none;
    text-decoration: none;
}

.nav-locale .locale-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
    flex: 0 0 auto;
    /* 黑色原图 → 白色（配合白色文字导航） */
    filter: brightness(0) invert(1);
}

.join-link {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.join-link:hover {
    color: rgba(255, 255, 255, 0.7);
}

.cta-btn {
    background: #ff4444;
    color: #fff !important;
    text-decoration: none;
    padding: 9px 22px;
    border-radius: 999px;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 6px 16px rgba(255, 68, 68, 0.25);
}

.cta-btn:hover {
    background: #e8252b;
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(232, 37, 43, 0.35);
}

.cta-icon {
    width: 14px;
    height: 14px;
    filter: invert(1);
}

/* 主视觉区块通用 */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

/* 第一屏：Banner */
.hero-banner {
    background-color: #000;
    color: #fff;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.banner-subtitle-top {
    font-size: 19.2px ;
}

.banner-title-img {
    max-width: 100%;
    height: auto;
}


.banner-subtitle-bottom {
    font-size: 24px;
    font-weight: 300;
}

/* 轮播样式 */
.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

/* 轮播视频背景 */
.banner-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.carousel-slide .hero-content {
    position: relative;
    z-index: 1;
}

.banner-slide-1 {
    background-image: url('../images/home/banner1.webp');
    background-position: left center;
    justify-content: flex-end;
    align-items: center;
    padding-right: 10%;
}

.banner-slide-1 .hero-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 40%;
    margin-top: 0;
    text-align: center;
}

.banner-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    background: #e8252b;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 999px;
    text-decoration: none;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 8px 24px rgba(232, 37, 43, 0.35);
    align-self: center;
}

.banner-cta:hover {
    background: #c91d23;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(232, 37, 43, 0.45);
}

.banner-cta .cta-icon {
    width: 14px;
    height: 14px;
}

.banner-slide-2 {
     background-image: url(../images/home/banner2.webp);
    background-position: right center;
    justify-content: flex-start;
    align-items: center;
    padding-left: 6%;
    padding-bottom: 5%;
}

.banner-slide-2 .hero-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 50%;
    margin-top: 0;
    text-align: left;
}

.banner-slide-2 .hero-content  .banner-title-img{
    width:50%;
    height: auto;
}
.banner-slide-2 .hero-content .banner-subtitle-top{
    color:#000;
    font-size: 44.8px;
    font-weight: 800;

}
.banner-slide-2 .hero-content .banner-subtitle-bottom{
    color:rgba(0, 0, 0, 0.6);
    font-size: 28.8px;
}

.banner-slide-3 {
    background-image: url('../images/home/banner3.webp');
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 10%;
}

/* 第 2、3 个轮播：一激活立即淡入文字（不等待视频播完） */
.carousel-slide.banner-slide-2.active .hero-content > *,
.carousel-slide.banner-slide-3.active .hero-content > * {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

/* 视频播完后也不再重新触发动画，保持已淡入的状态 */
.carousel-slide.banner-slide-2.show-text .hero-content > *,
.carousel-slide.banner-slide-3.show-text .hero-content > * {
    opacity: 1;
    transform: translateY(0);
    animation: none;
}

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

.carousel-slide .hero-content>* {
    opacity: 0;
    transform: translateY(30px);
}

.carousel-slide.show-text .hero-content>* {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.carousel-slide.show-text .hero-content>*:nth-child(1) {
    animation-delay: 0s;
}

.carousel-slide.show-text .hero-content>*:nth-child(2) {
    animation-delay: 0.15s;
}

.carousel-slide.show-text .hero-content>*:nth-child(3) {
    animation-delay: 0.3s;
}

.carousel-slide.show-text .hero-content>*:nth-child(4) {
    animation-delay: 0.45s;
}

.carousel-progress {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 10;
    background: rgba(217, 217, 217, 0.6);
    padding: 16px 19.2px;
    border-radius: 20px;
}

.progress-bar-container {
    width: 8px;
    height: 8px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    flex: 0 0 auto;
    transition: width 0.3s ease, border-radius 0.3s ease, height 0.3s ease;
}

.progress-bar-container.active {
    width: 40px;
    height: 6px;
    background: #404040;
    border-radius: 3px;
}

.progress-bar-container.active .progress-bar {
    width: 0%;
    height: 100%;
    background: #212121;
    border-radius: 3px;
    transition: none;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    font-size: 32px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(255, 255, 255, 0.3);
}

.carousel-prev {
    left: 30px;
}

.carousel-next {
    right: 30px;
}

/* 第二屏：金底 */
section.hero-gold {
    background: url('../images/home/section2-bg.webp') center/cover no-repeat;
    justify-content: flex-start !important;
    align-items: center;
    overflow: hidden;
    min-height: 100vh;
}

/* hero-gold 视频背景 */
.gold-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-gold .hero-content {
    margin-left: 8%;
    text-align: center;
    width: 40%;
    position: relative;
    z-index: 1;
}

.section-title-img {
    max-width: 90%;
    height: auto;
    margin-bottom: 5px;
}

.hero-gold .hero-content p {
    color: #FFFFFF;
    opacity: 0.6;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    font-weight: 300;
    font-size: 22.4px;
}

.gold-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 6.4px;
    margin-top: 32px;
    background: #e8252b;
    color: #fff;
    font-size: 14.4px;
    font-weight: 500;
    padding: 8.8px 24px;
    border-radius: 999px;
    text-decoration: none;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 8px 24px rgba(232, 37, 43, 0.35);
}

.gold-cta-btn:hover {
    background: #c91d23;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(232, 37, 43, 0.45);
}

.gold-cta-arrow {
    width: 16px;
    height: 16px;
    color: #fff;
    object-fit: contain;
}

.product-img {
    margin-top: 50px;
    max-height: 60vh;
    /* object-fit: contain; */
}

/* 第三屏：产品栅格 */
.product-grid {
    min-height: 100vh;
    margin-top: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 16px;
    background: #f5f5f5;
}

.grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 500px;
    padding: 50px 30px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}




.card-svg-1 {
    background: url('../images/svg/gl2f.svg') no-repeat center / cover;
}

.card-svg-2 {
    background: url('../images/svg/gl3f.svg') no-repeat center / cover;
}

.card-svg-3 {
    background: url('../images/motai.jpg') no-repeat center / cover;
}

.card-solid-1 {
    background: #f0f0f0;
}

.card-solid-2 {
    background: url('../images/home/wish.webp') no-repeat center / cover;
}

/* 滚动渐显动画 */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 卡片文字区域 */
.card-info {
    position: relative;
    z-index: 2;
    width: 100%;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-series {
    font-size: 12px;
    color: rgb(35, 35, 35);
    letter-spacing: 1px;
}

.card-title {
    font-size: 28.8px;
    font-weight: 600;
    color: #111;
}

.card-desc {
    font-size: 13.6px;
    color: #666;
    margin-bottom: 10px;
}

.card-links {
    display: flex;
    gap: 24px;
    margin-top: auto;
    align-self: flex-end;
}

.card-link {
    color: #333;
    text-decoration: none;
    font-size: 12.8px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.card-link:hover {
    color: #000;
}

.link-arrow {
    width: 12px;
    height: 12px;
    margin-left: 1px;
    display: inline-block;
    vertical-align: middle;
}

/* 深色卡片文字颜色 */
.card-svg-2 .card-series,
.card-svg-3 .card-series,
.card-solid-2 .card-series {
    color: rgba(255, 255, 255, 0.55);
}

.card-svg-2 .card-title,
.card-svg-3 .card-title,
.card-solid-2 .card-title {
    color: #fff;
    font-size: 32px;
}

.card-svg-2 .card-desc,
.card-svg-3 .card-desc,
.card-solid-2 .card-desc {
    color: rgba(255, 255, 255, 0.6);
}

/* 浅色卡片标题字号 */
.card-svg-1 .card-title,
.card-solid-1 .card-title {
    font-size: 32px;
}

.card-svg-2 .card-link,
.card-svg-3 .card-link,
.card-solid-2 .card-link {
    color: #ccc;
}

.card-svg-2 .card-link:hover,
.card-svg-3 .card-link:hover,
.card-solid-2 .card-link:hover {
    color: #fff;
}

/* 卡片产品图 */
.card-img {
    max-width: 280px;
    max-height: 280px;
    width: 100%;
    object-fit: contain;
    margin-top: auto;
}

/* 第四屏：创新故事 */
.innovation-section {
    padding: 80px 0px;
    text-align: center;
}

.innovation-title {
    font-size: 35.2px;
    margin-bottom: 16px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    font-weight: 600;
    color: #111;
}

.innovation-subtitle {
    font-size: 15.2px;
    color: #666;
    margin-bottom: 50px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
}

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

.innovation-card {
    height: 692px;
    background: url('../images/about.webp') no-repeat center / cover;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 50px 30px 0;
    position: relative;
    overflow: hidden;
}

.innovation-card:nth-child(1) {
    background: url('../images/home/white-paper.webp') no-repeat center / cover;
}

/* 第二张卡片（关于我们）背景偏暗，文字改为白色 */
.innovation-card:nth-child(2) .innovation-tag {
    color: rgba(255, 255, 255, 0.65);
}

.innovation-card:nth-child(2) .innovation-card-title {
    color: #fff;
}

.innovation-card:nth-child(2) .innovation-link {
    color: rgba(255, 255, 255, 0.85);
}

.innovation-card:nth-child(2) .innovation-link:hover {
    color: #fff;
}

.innovation-card-content {
    z-index: 1;
}

.innovation-tag {
    font-size: 14.4px;
    color: #666;
    margin-bottom: 14px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
}

.innovation-card-title {
    font-size: 28.8px;
    font-weight: 600;
    margin-bottom: 12.8px;
    color: #111;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.4;
}

.innovation-link {
    color: #333;
    text-decoration: none;
    font-size: 14.4px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.innovation-link:hover {
    color: #000;
}

/* 解决方案横向轮播 */
.solutions-section {
    padding: 120px 0;
    padding-bottom: 0px;
    overflow: hidden;
}

.solutions-title {
    text-align: center;
    font-size: 24px;
    font-weight: 400;
    color: #1a1a1a;
    margin-bottom: 40px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
}

.solutions-carousel {
    overflow: hidden;
    width: 100%;
}

.solutions-track {
    display: flex;
    gap: 16px;
    animation: scrollLeft 40s linear infinite;
    width: max-content;
    padding: 0 20px;
}

.solutions-track:hover {
    animation-play-state: paused;
}

.solution-card {
    width: 580px;
    height: 397px;
    padding: 50px 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    position: relative;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.719) 0%, rgba(0, 0, 0, 0) 100%);
    pointer-events: none;
}

.solution-card > * {
    position: relative;
    z-index: 1;
}

.solution-card[data-field="research"] {
    background-image: url('../images/home/field1.webp');
}

.solution-card[data-field="industry"] {
    background-image: url('../images/home/field2.webp');
}

.solution-card[data-field="medical"] {
    background-image: url('../images/home/field3.webp');
}

.solution-card[data-field="education"] {
    background-image: url('../images/home/field4.webp');
}

.solution-title {
    font-size: 25.6px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
}

.solution-link {
    color: #fff;
    text-decoration: none;
    font-size: 12.8px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.solution-link:hover {
    color: rgba(255, 255, 255, 0.7);
}

@keyframes scrollLeft {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}



/* Careers 区域 */
.careers-section {
    position: relative;
    overflow: hidden;
    height: 100vh;
    min-height: 480px;
}

.careers-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.careers-container {
    margin: 0 auto;
    position: relative;
    z-index: 1;
    height: 100%;
}

.careers-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
}

.careers-cta-wrapper {
    position: absolute;
    top: 60%;
    left: 25%;
    z-index: 2;
}

.careers-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #e8252b;
    color: #fff;
    font-size: 17.6px;
    font-weight: 500;
    padding: 8.8px 24px;
    border-radius: 999px;
    text-decoration: none;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 8px 24px rgba(232, 37, 43, 0.35);
}

.careers-cta-button:hover {
    background: #c91d23;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(232, 37, 43, 0.45);
}

.careers-cta-arrow {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

.careers-img-wrapper {
    overflow: hidden;
    display: block;
}

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

.careers-img.mobile {
    display: none;
}

/* Section Divider */
.section-divider {
    width: 80%;
    height: 1px;
    background: #ddd;
    margin: 0 auto;
}

/* Footer Social Icons */
.footer-social {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 36px;
    padding-bottom: 60px;
}

/* ========== 滚动渐显动画 ========== */
.fade-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
}

.footer-social-link:hover {
    opacity: 0.6;
}

.footer-social-link img {
    height: 20px;
    width: auto;
    display: block;
}

/* Site Footer */
.site-footer {
    position: relative;
    overflow: hidden;
    padding: 60px 50px 20px;
    padding-top: 140px;
}

.footer-bg {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    filter: blur(200px);
    pointer-events: none;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

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

.footer-left {
    max-width: 480px;
}

.footer-title {
    font-size: 44.8px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #111;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.2;
}

.footer-desc {
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.7;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
}

.footer-contacts {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon-box {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.02);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #b1452b;
}

.contact-label {
    font-size: 12.8px;
    color: #888;
    margin-bottom: 4px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
}

.contact-value {
    font-size: 17.6px;
    font-weight: 500;
    color: #111;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
}

.footer-right {
    width: 100%;
}

.form-panel {
    position: relative;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.02);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 32px;
    padding: 40px;
}

.form-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 256px;
    height: 256px;
    background: rgba(177, 69, 43, 0.1);
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}

.form-panel h3 {
    font-size: 28.8px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #111;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    position: relative;
    z-index: 1;
}

.form-desc {
    font-size: 14.4px;
    color: #666;
    margin-bottom: 24px;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    position: relative;
    z-index: 1;
}

.form-panel form {
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    z-index: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.form-label {
    font-size: 12px;
    color: #888;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    margin-left: 2px;
}

.form-row {
    display: flex;
    gap: 14px;
}

.form-row .form-group {
    flex: 1;
}

.form-panel input,
.form-panel textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.05);
    font-size: 14.4px;
    color: #111;
    outline: none;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    transition: border-color 0.3s;
}

.form-panel input:focus,
.form-panel textarea:focus {
    border-color: #b1452b;
}

.form-panel input::placeholder,
.form-panel textarea::placeholder {
    color: #999;
}

.form-panel textarea {
    resize: none;
}

.form-panel .submit-btn {
    width: 100%;
    padding: 14px;
    background: #111;
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 15.2px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    transition: background 0.3s;
    margin-top: 4px;
}

.form-panel .submit-btn:hover {
    background: #333;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 60px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 12.8px;
    color: #888;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-logo {
    height: 32px;
    width: auto;
}

.footer-links {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: #888;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #111;
}

/* ========== 汉堡菜单按钮 ========== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    gap: 5px;
    z-index: 1101;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

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

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

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

/* ========== 移动端导航面板 ========== */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1099;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
}

.mobile-nav-overlay.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 75%;
    max-width: 320px;
    height: 100%;
    background: #111;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    padding: 80px 32px 32px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
}

.mobile-nav-overlay.is-open .mobile-nav-panel {
    transform: translateX(0);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav-group:last-child {
    border-bottom: none;
}

.mobile-nav-group-title {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.mobile-nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 20px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: opacity 0.2s;
}

.mobile-nav-group a {
    font-size: 16px;
    padding: 8px 0;
    color: rgba(255, 255, 255, 0.85);
    border-bottom: none;
}

.mobile-nav-group a.active {
    color: #e8252b;
}

.mobile-nav-links a:hover {
    opacity: 0.7;
}

.mobile-nav-links a.active {
    opacity: 0.6;
}

.mobile-nav-actions {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav-actions .join-link {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
}

.mobile-nav-actions .nav-locale {
    color: #fff;
    font-size: 15px;
}

.mobile-nav-actions .cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #ff4444;
    color: #fff;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 999px;
    font-size: 16px;
}

.mobile-nav-actions .cta-icon {
    width: 16px;
    height: 16px;
    filter: invert(1);
}

/* ========== 移动端适配 ========== */

/* 平板及更小宽度：内容总宽超过视口，提前切到汉堡菜单避免遮挡 */
@media (max-width: 1024px) {
    .main-nav,
    .nav-right {
        display: none;
    }

    .hamburger {
        display: flex;
    }
}

@media (max-width: 768px) {

    /* 导航栏 */
    header {
        height: 60px;
        padding: 0 20px;
    }

    .logo {
        width: 130px;
    }

    .main-nav,
    .nav-right {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .logo {
        height: 28px;
    }

    /* ===== Banner 轮播 — 全部居中 ===== */
    .hero-banner {
        height: 80vh;
        min-height: 480px;
    }

    .banner-slide-1,
    .banner-slide-2,
    .banner-slide-3 {
        justify-content: center !important;
        align-items: center !important;
        padding: 0 16px;
        background-position: center !important;
    }

    .banner-slide-1 .hero-content,
    .banner-slide-2 .hero-content,
    .banner-slide-3 .hero-content {
        width: 85%;
        max-width: 384px;
        margin: 0;
        text-align: center;
    }

    .banner-subtitle-top {
        font-size: 16px !important;
        letter-spacing: 2px;
        margin-bottom: 6px;
    }



    .banner-subtitle-bottom {
        font-size: 17.6px !important;
        letter-spacing: 3px;
        margin-top: 6px;
    }

    .carousel-prev,
    .carousel-next {
        width: 36px;
        height: 36px;
        font-size: 22.4px;
    }

    .carousel-progress {
        bottom: 24px;
        padding: 6px 12px;
        gap: 6px;
    }

    .progress-bar-container {
        width: 28px;
        height: 5px;
    }

    /* ===== Section 2: hero-gold ===== */
    section.hero-gold {
        justify-content: center !important;
        align-items: center;
        padding: 10vh 5%;
        min-height: 100vh;
    }

    .hero-gold .hero-content {
        width: 100%;
        margin-left: 0;
        text-align: center;
    }

    .section-title-img {
        max-width: 70%;
    }

    .hero-gold .hero-content p {
        font-size: 17.6px;
    }

    .gold-cta-btn {
        font-size: 16px;
        padding: 10.4px 25.6px;
    }

    /* ===== 产品网格 ===== */
    .product-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 16px;
        padding: 30px 16px;
        max-width: 448px;
        margin: 0 auto;
    }

    .grid-item {
        height: 320px;
        min-height: 260px;
        padding: 20px 16px;
    }

    .card-series {
        font-size: 12px;
    }

    .card-svg-1 .card-title,
    .card-svg-2 .card-title,
    .card-solid-1 .card-title,
    .card-solid-2 .card-title,
    .card-title {
        font-size: 20px;
    }

    .card-desc {
        font-size: 14px;
        margin-bottom: 0;
    }

    .card-links {
        margin-top: auto;
    }

    .card-svg-1 .card-link,
    .card-svg-2 .card-link,
    .card-solid-1 .card-link,
    .card-solid-2 .card-link,
    .card-link {
        font-size: 12px;
    }

    .card-link .link-arrow {
        width: 13.6px;
        height: 13.6px;
    }

    /* ===== 创新故事 ===== */
    .innovation-section {
        padding: 40px 16px;
    }

    .innovation-title {
        font-size: 25.6px;
    }

    .innovation-subtitle {
        font-size: 14.4px;
    }

    .innovation-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .innovation-card {
        height: 320px;
        padding: 28px 20px 0;
    }

    .innovation-tag {
        font-size: 13.6px;
    }

    .innovation-card-title {
        font-size: 20.8px;
    }

    .solutions-section {
        margin-top: 36px;
    }

    .solutions-title {
        font-size: 18.4px;
        padding: 0 10px;
        margin-bottom: 20px;
    }

    .solution-card {
        width: 260px;
        height: 190px;
        padding: 24px 20px;
        flex-shrink: 0;
    }

    .solution-title {
        font-size: 16.8px;
    }

    .solution-link {
        font-size: 13.6px;
    }



    .careers-cta-wrapper {
        top: 19.2px;
        left: 50%;
        transform: translateX(-50%);
    }

    .careers-cta-button {
       display: none;
    }

    /* ===== Footer ===== */
    .site-footer {
        padding: 60px 0 20px;
    }

    .footer-inner {
        padding: 0 16px;
    }

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

    .footer-left {
        max-width: 100%;
    }

    .footer-title {
        font-size: 25.6px;
    }

    .footer-desc {
        font-size: 14.4px;
        margin-bottom: 28px;
    }

    .footer-contacts {
        gap: 16px;
    }

    .contact-item {
        gap: 12px;
    }

    .contact-icon-box {
        width: 40px;
        height: 40px;
    }

    .contact-icon-box svg {
        width: 18px;
        height: 18px;
    }

    .contact-label {
        font-size: 12px;
    }

    .contact-value {
        font-size: 14.4px;
        word-break: break-all;
    }

    .form-panel {
        padding: 20px 16px;
        border-radius: 24px;
    }

    .form-bg {
        width: 160px;
        height: 160px;
    }

    .form-panel h3 {
        font-size: 18.4px;
    }

    .form-desc {
        font-size: 13.6px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .form-panel input,
    .form-panel textarea {
        font-size: 14.4px;
        padding: 10px 14px;
    }

    .form-panel .submit-btn {
        padding: 12px 20px;
        font-size: 15.2px;
    }

    .footer-social {
        gap: 10px;
        margin-bottom: 16px;
    }

    .footer-social-link {
        width: 36px;
        height: 36px;
    }

    .footer-social-link svg,
    .footer-social-link img {
        width: 18px;
        height: 18px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        margin-top: 32px;
    }

    .footer-logo {
        height: 24px;
    }

    .footer-links {
        justify-content: center;
        gap: 10px;
        font-size: 11.2px;
        flex-direction: column;
    }

    .section-divider {
        width: 90%;
    }
}

/* ========== 深色页面（如 recruitment.html）导航栏覆盖 ========== */
.site-body header,
.dark header {
    background: rgba(20, 20, 22, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #fff;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.site-body .main-nav > .nav-item > a,
.site-body .main-nav > .nav-item > .nav-trigger,
.dark .main-nav > .nav-item > a,
.dark .main-nav > .nav-item > .nav-trigger {
    color: #fff;
}

.site-body .nav-locale,
.dark .nav-locale {
    color: #fff;
}

.site-body .join-link,
.dark .join-link {
    color: #fff;
}

.site-body .nav-dropdown,
.dark .nav-dropdown {
    background: rgba(40, 40, 44, 0.96);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.site-body .nav-dropdown a,
.dark .nav-dropdown a {
    color: #fff;
}

.site-body .nav-dropdown a:hover,
.site-body .nav-dropdown a.active,
.dark .nav-dropdown a:hover,
.dark .nav-dropdown a.active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}