body {
    margin: 0;
    padding: 0;
    background: #fff;
    color: #fff;
    font-family: '微软雅黑', Arial, sans-serif;
}
a{text-decoration: none;}
/* Header 样式 */
.header {
    background: #fff;
    color: #222;
    padding: 0 40px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header-left {
    display: flex;
    align-items: center;
}
.logo {
    height: 60px;
    margin-right: 18px;
}
.company-title {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.company-title-cn {
    font-size: 24px;
    font-weight: bold;
    color: #222;
}
.company-title-en {
    font-size: 13px;
    color: #b3b3b3;
    letter-spacing: 1px;
}
.nav {
    display: flex;
    align-items: center;
    margin-left: 60px;
}
.nav a {
    color: #222;
    text-decoration: none;
    font-size: 16px;
    margin: 0 14px;
    position: relative;
    padding-bottom: 6px;
    transition: color 0.2s;
}
.nav a.active,
.nav a:hover {
    color: #e94d4d;
}
.nav a.active::after {
    content: '';
    display: block;
    width: 60%;
    height: 2px;
    background: #e94d4d;
    margin: 0 auto;
    border-radius: 1px;
    position: absolute;
    left: 20%;
    bottom: 0;
}
.header-right {
    display: flex;
    align-items: center;
}
.phone-icon {
    height: 32px;
    margin-right: 8px;
}
.phone-number {
    color: #b3b3b3;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 1px;
}
/* Footer 样式 */
.footer {
    background: #181e23;
    padding: 40px 0 20px 0;
}
.footer-content {
    display: flex;
    justify-content: space-around;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
}
.footer-section {
    flex: 1;
    min-width: 220px;
    margin: 0 20px;
}
.footer-section h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 10px;
    border-left: 3px solid #e94d4d;
    padding-left: 10px;
}
.footer-section p, .footer-section li {
    color: #fff;
    font-size: 15px;
    margin: 6px 0;
}
.footer-section ul {
    list-style: none;
    padding: 0;
}
.footer-bottom {
    text-align: center;
    color: #ccc;
    font-size: 13px;
    margin-top: 30px;
}
.footer-bottom a {
    color: #ccc;
    text-decoration: none;
    margin: 0 5px;
}

/* 右侧固定信息栏样式 */
.right-sidebar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.sidebar-item {
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 70px;
    width: 70px;
    height: 70px;
    border: 2px solid transparent;
    position: relative;
}


.sidebar-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    min-height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: all 0.3s ease;
    z-index: 2;
    flex-shrink: 0;
}

.sidebar-item:hover .sidebar-icon {
    transform: scale(1.1);
}

.phone-item .sidebar-icon {
    background: linear-gradient(135deg, #4CAF50, #45a049);
}

.qq-item .sidebar-icon {
    background: linear-gradient(135deg, #1976D2, #1565C0);
}

.back-to-top .sidebar-icon {
    background: linear-gradient(135deg, #FF5722, #E64A19);
}



.sidebar-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-20px);
    transition: all 0.3s ease;
    white-space: nowrap;
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%) translateX(-20px);
    background: #fff;
    color: #333;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #ddd;
    margin-right: 10px;
    z-index: 1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sidebar-text::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: #fff;
}

.sidebar-text::before {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 7px solid transparent;
    border-left-color: #ddd;
    z-index: -1;
}

.sidebar-item:hover .sidebar-text {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.sidebar-label {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

.sidebar-value {
    font-size: 14px;
    color: #333;
    font-weight: bold;
}

/* 回到顶部按钮特殊样式 */
.back-to-top {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .right-sidebar {
        right: 10px;
        gap: 10px;
    }

    .sidebar-item {
        min-width: 60px;
        width: 60px;
        height: 60px;
        padding: 8px;
    }

    .sidebar-icon {
        width: 45px;
        height: 45px;
        min-width: 45px;
        min-height: 45px;
        flex-shrink: 0;
    }

    .sidebar-text {
        padding: 6px 10px;
        margin-right: 8px;
    }

    .sidebar-text::after {
        border-width: 5px;
        border-left-color: #fff;
    }

    .sidebar-text::before {
        border-width: 6px;
        border-left-color: #ddd;
    }

    .sidebar-label {
        font-size: 11px;
    }

    .sidebar-value {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .right-sidebar {
        right: 5px;
        gap: 8px;
    }

    .sidebar-item {
        min-width: 55px;
        width: 55px;
        height: 55px;
        padding: 6px;
    }

    .sidebar-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
        flex-shrink: 0;
    }

    .sidebar-text {
        padding: 5px 8px;
        margin-right: 6px;
    }

    .sidebar-text::after {
        border-width: 4px;
        border-left-color: #fff;
    }

    .sidebar-text::before {
        border-width: 5px;
        border-left-color: #ddd;
    }

    .sidebar-icon svg {
        width: 24px;
        height: 24px;
    }

    .sidebar-label {
        font-size: 10px;
    }

    .sidebar-value {
        font-size: 12px;
    }
}
.footer-bottom a:hover {
    text-decoration: underline;
}
.icp {
    display: block;
    margin-top: 8px;
    color: #ccc;
    font-size: 12px;
}
@media (max-width: 900px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
    }
    .footer-section {
        margin-bottom: 30px;
    }
    .header {
        flex-direction: column;
        height: auto;
        padding: 20px 10px;
    }
    .nav {
        margin-left: 0;
        flex-wrap: wrap;
    }
}
.banner-carousel {
    position: relative;
    width: 100%;
    max-width: 1920px;
    height: 420px;
    margin: 0 auto 40px auto;
    overflow: hidden;
    background: #eee;
}
.banner-images {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.banner-img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    flex-shrink: 0;
    position: relative;
}
.banner-img.active {
    opacity: 1;
    z-index: 2;
}
.banner-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.3);
    color: #fff;
    border: none;
    font-size: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    outline: none;
    transition: background 0.2s;
}
.banner-btn:hover {
    background: rgba(0,0,0,0.6);
}
.banner-btn.prev {
    left: 32px;
}
.banner-btn.next {
    right: 32px;
}
.banner-dots {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 11;
}
.dot {
    display: block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255,255,255,0.7);
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 0 2px #888;
}
.dot.active {
    background: #e94d4d;
    box-shadow: 0 0 6px #e94d4d;
}
@media (max-width: 900px) {
    .banner-carousel {
        height: 180px;
    }
    .banner-img {
        height: 180px;
    }
    .banner-btn.prev {
        left: 8px;
    }
    .banner-btn.next {
        right: 8px;
    }
}
.about-section {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1600px;
    margin: 60px auto 0 auto;
    padding: 0 40px;
    min-height: 480px;
    background: #fff;
}
.about-left {
    flex: 1.1;
    min-width: 420px;
    position: relative;
    opacity: 0;
    transition: opacity 0.8s, transform 0.8s;
    transform: translateX(-80px);
}
.about-title {
    font-size: 28px;
    font-weight: bold;
    color: #222;
    margin-bottom: 16px;
    z-index: 2;
    position: relative;
}
.about-bg-title {
    font-size: 80px;
    color: #f5f5f5;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    letter-spacing: 2px;
    pointer-events: none;
    user-select: none;
    line-height: 1;
}
.about-desc {
    color: #333;
    font-size: 16px;
    line-height: 2;
    margin: 60px 0 36px 0;
    z-index: 2;
    position: relative;
}
.about-desc b {
    color: #222;
}
.about-stats {
    display: flex;
    gap: 24px;
    margin-top: 18px;
    flex-wrap: nowrap;
}
.stat-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    padding: 24px 20px 18px;
    min-width: 0;
    text-align: center;
    flex: 1 1 0;
    max-width: 25%;
}
.stat-num {
    font-size: 32px;
    font-weight: bold;
    color: #f7a600;
    margin-bottom: 8px;
}
.stat-num small {
    font-size: 18px;
    font-weight: normal;
    color: #f7a600;
}
.stat-label {
    font-size: 16px;
    color: #888;
}
.about-right {
    flex: 1;
    min-width: 380px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-left: 40px;
    opacity: 0;
    transition: opacity 0.8s, transform 0.8s;
    transform: translateX(80px);
}
.about-img {
    width: 100%;
    max-width: 800px;
    border-radius: 8px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    object-fit: cover;
    transition: box-shadow 0.3s;
}
.about-img:hover {
    animation: img-bounce 0.8s cubic-bezier(.34,1.56,.64,1);
    box-shadow: 0 12px 32px rgba(0,0,0,0.16);
}
@media (max-width: 1100px) {
    .about-section {
        flex-direction: column;
        align-items: stretch;
        padding: 0 10px;
    }
    .about-right {
        margin-left: 0;
        margin-top: 32px;
        justify-content: center;
    }
}
.about-animate .about-left {
    opacity: 1;
    transform: translateX(0);
}
.about-animate .about-right {
    opacity: 1;
    transform: translateX(0);
}
.about-nav-bar {
    width: 100%;
    background: #fff;
    margin: 0 auto;
    padding: 0 0 8px 0;
}
.about-nav {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    font-size: 17px;
    font-weight: 400;
    color: #222;
    gap: 28px;
    padding: 24px 40px 0 40px;
}
.about-nav-item {
    color: #222;
    font-weight: 400;
    cursor: pointer;
    transition: color 0.2s;
}
.about-nav-item.active {
    font-weight: bold;
}
.about-nav-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, #eee 80%, #fff 100%);
    border: none;
    margin: 0;
}
@media (max-width: 900px) {
    .about-stats {
        flex-wrap: wrap;
    }
    .stat-card {
        max-width: 100%;
        flex-basis: 48%;
    }
}
@keyframes img-bounce {
    0% { transform: scale(1); }
    10% { transform: scale(0.92); }
    25% { transform: scale(1.10); }
    40% { transform: scale(0.96); }
    55% { transform: scale(1.06); }
    70% { transform: scale(0.98); }
    85% { transform: scale(1.03); }
    100% { transform: scale(1); }
}
.company-gallery-section {
    max-width: 1600px;
    margin: 56px auto 0 auto;
    padding: 0 40px;
    overflow: visible;
    opacity: 0;
    transform: translateX(120px);
    transition: opacity 0.8s, transform 0.8s;
}
.company-gallery-animate {
    opacity: 1;
    transform: translateX(0);
}
.company-gallery {
    display: flex;
    gap: 48px;
    justify-content: center;
    align-items: flex-start;
}
.company-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}
.company-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
    transition: box-shadow 0.3s;
    border-radius: 0;
}
.company-img:hover {
    animation: img-bounce 0.8s cubic-bezier(.34,1.56,.64,1);
    box-shadow: 0 12px 32px rgba(0,0,0,0.16);
}
.company-caption {
    width: 100%;
    background: rgba(34,34,34,0.7);
    color: #fff;
    font-size: 18px;
    text-align: center;
    padding: 12px 0 10px 0;
    position: absolute;
    left: 0;
    bottom: 0;
    letter-spacing: 1px;
}
@media (max-width: 1200px) {
    .company-gallery {
        flex-direction: column;
        gap: 32px;
        align-items: center;
    }
    .company-card {
        max-width: 98vw;
    }
}
.product-nav-gap {
    height: 48px;
    background: transparent;
}
.product-nav-bar {
    width: 100%;
    background: #232c32;
    padding: 32px 0 24px 0;
}
.product-nav {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}
.product-item span{color:#333;}
.product-nav a {
    color: #fff;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 1px;
    white-space: nowrap;
}
@media (max-width: 1100px) {
    .product-nav {
        gap: 24px;
        font-size: 15px;
    }
    .product-nav span {
        font-size: 15px;
    }
} 


@media (max-width: 1400px) {
	.header-left {width:250px;}
	.header-left img{width:100%;height:auto;}
	.nav{margin-left:30px;}
	.nav a {font-size:14px;}
	.header{padding:0;}
	.phone-number{font-size:12px;}
	.stat-num{font-size: 22px;}
	.stat-label{font-size:14px;}
}