:root {
    --primary-color: #0d6efd;
    --primary-dark: #0a4da2;
    --danger-color: #dc3545;
    --danger-dark: #b91c1c;
    --text-dark: #1a1a2e;
    --text-gray: #6c757d;
    --bg-light: #f8fafc;
    --bg-dark: #0f1724;
    --border-color: #e2e8f0;
}

@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 20px 40px rgba(220, 53, 69, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 25px 50px rgba(220, 53, 69, 0.5);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

.btn {
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.45);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-dark));
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(220, 53, 69, 0.45);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: white;
}

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

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

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

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: white;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    border-bottom: 3px solid var(--danger-color);
}

.header-top {
    background: var(--bg-dark);
    padding: 0.6rem 0;
}

.header-contact {
    display: flex;
    gap: 2rem;
}

.header-contact span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

.header-contact i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.header-slogan {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.header-slogan i {
    margin-right: 0.5rem;
}

.header-main {
    padding: 0.75rem 0;
    background: white;
}

.logo-wrapper {
    display: flex;
    align-items: center;
}

.logo-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon {
    width: 65px;
    height: 65px;
    line-height: 65px;
    text-align: center;
    background: transparent;
    border-radius: 10px;
    color: var(--primary-color);
    font-size: 1.2rem;
    position: relative;
    overflow: hidden;
    border: none;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: transparent;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.2;
}

.company-en {
    font-size: 0.65rem;
    color: var(--text-gray);
    letter-spacing: 1px;
    font-weight: 500;
}

.navbar {
    padding: 0;
}

.navbar-nav {
    display: flex;
    gap: 0.25rem;
}

@media (max-width: 768px) {
    .navbar-collapse.d-lg-none {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        padding: 1rem;
        z-index: 1000;
    }
}

.nav-item .nav-link {
    padding: 0.85rem 1rem;
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
}

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

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

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

.header-cta {
    margin-left: 1.5rem;
    padding: 0.65rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
}

.header-cta:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
    font-size: 1.25rem;
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: none;
}

.hero {
    min-height: 400px;
    height: calc(100vh - 110px);
    max-height: 925px;
    width: 100%;
    max-width: 1900px;
    margin: 110px auto 0;
    position: relative;
    overflow: hidden;
}

.heroSwiper {
    width: 100%;
    height: 100%;
    position: relative;
}

.swiper-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
}

.swiper-slide {
    width: 100%;
    height: 100%;
    flex-shrink: 0;
    position: relative;
}

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

.swiper-pagination {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.swiper-pagination .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    margin: 0 5px;
    border-radius: 50%;
}

.swiper-pagination .swiper-pagination-bullet-active {
    background: white;
    width: 30px;
    border-radius: 6px;
}

.swiper-button-next,
.swiper-button-prev {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

.swiper-button-next {
    right: 30px;
}

.swiper-button-prev {
    left: 30px;
}

.section-features {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    z-index: 10;
    margin-top: -80px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding: 0 2rem;
}

.feature-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    border-radius: 20px;
    background: white;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(13, 110, 253, 0.1);
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--danger-color), var(--primary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-item:hover::before {
    transform: scaleX(1);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(13, 110, 253, 0.25);
}

.feature-icon {
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    font-size: 1.75rem;
    margin: 0 auto 1.5rem;
    position: relative;
    transition: all 0.4s ease;
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
}

.feature-item:hover .feature-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--danger-color), #b91c1c);
    box-shadow: 0 12px 35px rgba(220, 53, 69, 0.4);
}

.feature-item h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    position: relative;
}

.feature-item h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--danger-color), var(--primary-color));
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-item:hover h3::after {
    opacity: 1;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.section-about {
    padding: 8rem 0;
    background: linear-gradient(135deg, white 0%, #f8fafc 100%);
    position: relative;
}

.section-about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color), var(--primary-color));
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.15), rgba(220, 53, 69, 0.1));
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 1rem;
    border: 1px solid rgba(13, 110, 253, 0.2);
}

.section-header {
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

.about-images {
    position: relative;
    padding-right: 3rem;
}

.about-img-main {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.img-placeholder {
    width: 100%;
    height: 350px;
    background: linear-gradient(135deg, #e8f4ff 0%, #dbeafe 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.img-placeholder i {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.5;
}

.img-placeholder span {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 500;
}

.img-placeholder.small {
    height: 200px;
}

.img-placeholder.large {
    height: 280px;
}

.about-img-small {
    position: absolute;
    bottom: -30px;
    right: 0;
    width: 45%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border: 6px solid white;
}

.about-badge {
    position: absolute;
    top: 30px;
    right: 0;
    background: linear-gradient(135deg, var(--danger-color), #b91c1c);
    color: white;
    padding: 1.75rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(220, 53, 69, 0.4);
    animation: badgePulse 3s ease-in-out infinite;
}

.about-badge .number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.about-badge .text {
    font-size: 0.875rem;
    opacity: 0.9;
}

.about-content {
    padding-left: 2rem;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-content .lead {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin: 2rem 0;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

.stat-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.section-products {
    padding: 8rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #f8fafc 100%);
    position: relative;
}

.product-sidebar {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(13, 110, 253, 0.08);
    position: sticky;
    top: 100px;
}

.sidebar-header {
    margin-bottom: 1.75rem;
    position: relative;
}

.sidebar-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-header h3 i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.sidebar-line {
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
    border-radius: 3px;
}

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

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    color: var(--text-gray);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    background: transparent;
}

.sidebar-menu li a i {
    font-size: 0.95rem;
    width: 20px;
    text-align: center;
}

.sidebar-menu li:hover a {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.08), rgba(220, 53, 69, 0.05));
    color: var(--primary-color);
    transform: translateX(5px);
}

.sidebar-menu li.active a {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.sidebar-menu li.active a i {
    color: white;
}

.sidebar-contact {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e5e7eb;
}

.contact-box {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.08), rgba(220, 53, 69, 0.05));
    border-radius: 16px;
    padding: 1.75rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), transparent);
    border-radius: 50%;
}

.contact-box h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.contact-box .phone {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--danger-color);
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.contact-box .email {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 1;
}

.contact-box .btn-outline {
    position: relative;
    z-index: 1;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.65rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-box .btn-outline:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--danger-color));
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.35);
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-info h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.header-info p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

.header-info p .text-primary {
    color: var(--primary-color);
    font-weight: 700;
}

.header-filter {
    display: flex;
    gap: 0.5rem;
    background: white;
    padding: 0.375rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(13, 110, 253, 0.08);
}

.filter-btn {
    padding: 0.65rem 1.5rem;
    border: none;
    background: transparent;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-gray);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.filter-btn:hover {
    color: var(--primary-color);
    background: rgba(13, 110, 253, 0.08);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.35);
}

.filter-btn.active:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.45);
}



.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid rgba(13, 110, 253, 0.08);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 60px -15px rgba(13, 110, 253, 0.25);
}

.product-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: 0 15px 40px rgba(13, 110, 253, 0.15);
}

.product-card.featured::after {
    content: '推荐';
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--danger-color), #b91c1c);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 20;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

.product-img {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #e8f4ff 0%, #dbeafe 100%);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.95), rgba(220, 53, 69, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-overlay a {
    color: white;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: 2px solid white;
    border-radius: 50px;
    background: transparent;
    transition: all 0.3s ease;
}

.product-overlay a:hover {
    background: white;
    color: var(--danger-color);
    transform: scale(1.05);
}

.product-info {
    padding: 1.75rem;
    position: relative;
}

.product-info h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.product-card:hover .product-info h3 {
    color: var(--primary-color);
}

.product-info p {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.product-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin-bottom: 0.75rem;
}

.product-badge.hot {
    background: linear-gradient(135deg, #dc3545, #b91c1c);
    color: white;
}

.product-badge.new {
    background: linear-gradient(135deg, #0d6efd, #0a4da2);
    color: white;
}

.section-services {
    padding: 8rem 0;
    background: linear-gradient(135deg, white 0%, #f8fafc 50%, white 100%);
    position: relative;
    overflow: hidden;
}



.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.service-card {
    padding: 2.5rem 2rem;
    background: white;
    border-radius: 24px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    transform: translateY(-8px);
    border-color: var(--danger-color);
    box-shadow: 0 20px 60px rgba(13, 110, 253, 0.3);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, white, #f8fafc);
    color: var(--primary-color);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.service-card:hover h3,
.service-card:hover p {
    color: white;
}

.service-card:hover .service-card-number {
    color: rgba(255, 255, 255, 0.3);
}

.service-icon {
    width: 90px;
    height: 90px;
    line-height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    font-size: 2.25rem;
    margin: 0 auto 1.75rem;
    transition: all 0.4s ease;
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
    position: relative;
    z-index: 1;
}

.service-card-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(13, 110, 253, 0.08);
    line-height: 1;
    transition: color 0.4s ease;
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* 品牌LOGO展示区域 */
.brands-section {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(13, 110, 253, 0.1);
}

.section-sub-header {
    margin-bottom: 2.5rem;
}

.section-sub-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.section-sub-header p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

.brandsSwiper {
    width: 100%;
    padding: 0.5rem 0;
}

.brandsSwiper .swiper-wrapper {
    display: flex;
    align-items: center;
    gap: 4px;
}

.brandsSwiper .swiper-slide {
    width: 140px;
    display: flex;
    justify-content: center;
}

.brand-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    border-radius: 16px;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(13, 110, 253, 0.08);
    transform: scale(1.2);
}

.brand-item:hover {
    transform: translateY(-5px) scale(1.2);
    box-shadow: 0 12px 35px rgba(13, 110, 253, 0.15);
    border-color: var(--primary-color);
}

.brand-logo {
    width: 75px;
    height: 75px;
    line-height: 75px;
    text-align: center;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(220, 53, 69, 0.1));
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    transition: all 0.4s ease;
}

.brand-item:hover .brand-logo {
    background: linear-gradient(135deg, var(--primary-color), var(--danger-color));
    color: white;
    transform: scale(1.1);
}

.brand-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.brand-item:hover .brand-name {
    color: var(--danger-color);
}

/* 品牌轮播自定义样式 */
.brandsSwiper .swiper-slide {
    opacity: 0.6;
    filter: grayscale(50%);
    transition: all 0.4s ease;
}

.brandsSwiper .swiper-slide-active {
    opacity: 1;
    filter: grayscale(0%);
}

/* 品牌轮播容器 */
.brands-swiper-container {
    position: relative;
    padding: 0 40px;
}

/* 品牌轮播按钮样式 */
.brands-button-prev,
.brands-button-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(13, 110, 253, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.brands-button-prev:hover,
.brands-button-next:hover {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.9), rgba(220, 53, 69, 0.9));
    color: white;
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.brands-button-prev {
    left: 0;
}

.brands-button-next {
    right: 0;
}

.brands-button-prev::after,
.brands-button-next::after {
    font-size: 1.25rem;
    font-weight: bold;
}

.brands-button-prev::after {
    content: '<';
}

.brands-button-next::after {
    content: '>';
}

.section-industries {
    padding: 8rem 0;
    background: linear-gradient(135deg, white 0%, #f8fafc 50%, white 100%);
    position: relative;
}



.industries-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
}

.industry-item {
    background: white;
    padding: 2.25rem 1.25rem;
    border-radius: 24px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 2px solid transparent;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.industry-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.industry-item:hover::before {
    transform: scaleX(1);
}

.industry-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(13, 110, 253, 0.15);
    border-color: var(--primary-color);
}

.industry-item:hover .industry-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--danger-color));
    color: white;
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(13, 110, 253, 0.4);
}

.industry-item:hover h4 {
    color: var(--primary-color);
}

.industry-icon {
    width: 75px;
    height: 75px;
    line-height: 75px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(220, 53, 69, 0.1));
    color: var(--primary-color);
    font-size: 1.85rem;
    margin: 0 auto 1.25rem;
    transition: all 0.4s ease;
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.15);
}

.industry-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.industry-item p {
    font-size: 0.75rem;
    color: var(--text-gray);
    line-height: 1.5;
    transition: color 0.3s ease;
}

.industry-item:hover p {
    color: var(--text-dark);
}

.section-honor {
    padding: 8rem 0;
    background: linear-gradient(135deg, #0a4da2 0%, #0d6efd 50%, #3a8dfd 100%);
    color: white;
}

.section-honor .section-tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.section-honor .section-header h2 {
    color: white;
}

.section-honor .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.honor-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    padding: 2.75rem 1.75rem;
    border-radius: 24px;
    text-align: center;
    backdrop-filter: blur(15px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.honor-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.honor-item:hover::before {
    transform: scaleX(1);
}

.honor-item:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.08));
    transform: translateY(-8px);
    border-color: rgba(220, 53, 69, 0.4);
    box-shadow: 0 20px 40px rgba(220, 53, 69, 0.2);
}

.honor-icon {
    width: 85px;
    height: 85px;
    line-height: 85px;
    margin: 0 auto 1.25rem;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.3), rgba(220, 53, 69, 0.3));
    font-size: 2.5rem;
    transition: all 0.4s ease;
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.2);
}

.honor-item:hover .honor-icon {
    background: linear-gradient(135deg, var(--danger-color), var(--primary-color));
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(220, 53, 69, 0.4);
}

.honor-item h4 {
    font-size: 1.15rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

.honor-item:hover h4 {
    color: var(--danger-color);
}

/* 荣誉证书展示 */
.certificates-section {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.certificates-section .section-sub-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.certificate-item {
    text-align: center;
    transition: all 0.4s ease;
}

.certificate-image {
    position: relative;
    width: 100%;
    padding-bottom: 125%; /* 4:5 比例 */
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.certificate-item:hover .certificate-image {
    transform: translateY(-8px);
    border-color: rgba(220, 53, 69, 0.6);
    box-shadow: 0 15px 40px rgba(220, 53, 69, 0.3);
}

.cert-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.2), rgba(220, 53, 69, 0.2));
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.7);
}

.certificate-item:hover .cert-placeholder {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.3), rgba(220, 53, 69, 0.3));
}

.cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.8), rgba(220, 53, 69, 0.8));
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.certificate-item:hover .cert-overlay {
    opacity: 1;
}

.cert-overlay i {
    font-size: 1.8rem;
    color: white;
}

.certificate-item h4 {
    margin-top: 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.3s ease;
}

.certificate-item:hover h4 {
    color: var(--danger-color);
}

.section-news {
    padding: 8rem 0;
    background: linear-gradient(135deg, white 0%, #f8fafc 50%, white 100%);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.news-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(13, 110, 253, 0.06);
    position: relative;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.news-card:hover::before {
    transform: scaleX(1);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(13, 110, 253, 0.15);
}

.news-img {
    height: 180px;
    overflow: hidden;
    position: relative;
}

.news-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(255,255,255,0.8), transparent);
    pointer-events: none;
}

.news-img .img-placeholder {
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(220, 53, 69, 0.1));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.news-card:hover .news-img .img-placeholder {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.2), rgba(220, 53, 69, 0.2));
    transform: scale(1.05);
}

.news-content {
    padding: 1.75rem;
}

.news-cat {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(220, 53, 69, 0.1));
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.news-card:hover .news-cat {
    background: linear-gradient(135deg, var(--primary-color), var(--danger-color));
    color: white;
}

.news-content h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    line-height: 1.5;
    font-weight: 700;
}

.news-content h3 a {
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.news-card:hover .news-content h3 a {
    color: var(--primary-color);
    transform: translateX(5px);
}

.news-content h3 a:hover {
    text-decoration: underline;
}

.news-content p {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.news-date {
    font-size: 0.8rem;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.news-date::before {
    content: '';
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
}

.news-img .img-placeholder i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.news-card:hover .news-img .img-placeholder i {
    color: var(--danger-color);
}

.news-img .img-placeholder span {
    font-size: 0.85rem;
    color: var(--text-gray);
    font-weight: 600;
}

.section-contact {
    padding: 8rem 0;
    background: var(--bg-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
}

.contact-info {
    padding: 3rem;
    background: linear-gradient(135deg, #0a4da2 0%, #0d6efd 100%);
    color: white;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.contact-info > p {
    opacity: 0.9;
    margin-bottom: 2rem;
}

.contact-list {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item i {
    width: 45px;
    height: 45px;
    line-height: 45px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    text-align: center;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.25rem;
}

.contact-item p {
    margin: 0;
    font-size: 1rem;
}

.contact-item a {
    color: white;
}

.contact-form-wrapper {
    padding: 3rem;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-form textarea {
    resize: none;
}

.contact-form .captcha-row {
    grid-template-columns: 1fr auto;
    align-items: center;
}

.captcha-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(220, 53, 69, 0.1));
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(13, 110, 253, 0.15);
}

.captcha-box:hover {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.2), rgba(220, 53, 69, 0.2));
    border-color: rgba(13, 110, 253, 0.3);
}

#captchaCode {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
    text-shadow: 1px 1px 2px rgba(13, 110, 253, 0.2);
}

.captcha-refresh {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: white;
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.captcha-box:hover .captcha-refresh {
    transform: rotate(180deg);
    color: var(--danger-color);
}

.site-footer {
    background: var(--bg-dark);
    color: white;
    padding-top: 5rem;
}

.footer-top {
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-slogan {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(13, 110, 253, 0.2);
    border-radius: 50px;
    display: inline-block;
    font-size: 0.875rem;
    color: var(--primary-color);
}

.footer-top h4 {
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.footer-top ul {
    list-style: none;
    padding: 0;
}

.footer-top ul li {
    margin-bottom: 0.75rem;
}

.footer-top ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-top ul li a:hover {
    color: white;
}

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

@media (max-width: 1200px) {
    .features-grid,
    .products-grid,
    .services-grid,
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .news-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .news-main {
        grid-column: 1 / -1;
    }
}

@media (max-width: 992px) {
    .hero {
        height: 70vh;
        min-height: 500px;
    }
    
    .about-images {
        padding-right: 0;
        margin-bottom: 3rem;
    }
    
    .about-content {
        padding-left: 0;
    }
    
    .about-stats {
        gap: 2rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .header-cta {
        display: none;
    }
    
    .navbar-nav {
        flex-direction: column;
        padding: 1rem 0;
    }
    
    .nav-item .nav-link {
        padding: 0.75rem 1rem;
    }
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    .hero {
        margin-top: 60px;
        height: 60vh;
        min-height: 400px;
    }
    
    .features-grid,
    .products-grid,
    .services-grid,
    .industries-grid,
    .honors-grid {
        grid-template-columns: 1fr;
    }
    
    .section-about,
    .section-products,
    .section-services,
    .section-industries,
    .section-honor,
    .section-news,
    .section-contact {
        padding: 4rem 0;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .about-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .nav-wrapper {
        gap: 0;
    }
    
    .swiper-button-next,
    .swiper-button-prev {
        width: 40px;
        height: 40px;
    }
    
    .swiper-button-next {
        right: 15px;
    }
    
    .swiper-button-prev {
        left: 15px;
    }
}

/* 右侧悬浮栏样式 */
.floating-sidebar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-item {
    position: relative;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--danger-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(13, 110, 253, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.floating-item:hover {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 8px 30px rgba(13, 110, 253, 0.5);
}

.floating-icon {
    font-size: 1.5rem;
    color: white;
    transition: all 0.3s ease;
}

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

.floating-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--danger-color));
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.floating-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 6px solid var(--danger-color);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.floating-item:hover .floating-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

/* 微信二维码弹窗 */
.wechat-qr {
    position: absolute;
    right: 75px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    min-width: 220px;
    border: 2px solid rgba(13, 110, 253, 0.1);
}

.qr-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 2px solid linear-gradient(90deg, var(--primary-color), var(--danger-color));
    border-bottom: 2px solid rgba(13, 110, 253, 0.1);
}

.qr-header i {
    font-size: 1.25rem;
    color: #07c160;
}

.qr-header span {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

.qr-image {
    width: 180px;
    height: 180px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid rgba(13, 110, 253, 0.1);
}

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

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

.qr-footer {
    text-align: center;
    margin-top: 12px;
}

.qr-footer span {
    font-size: 0.85rem;
    color: var(--text-gray);
    font-weight: 500;
}

/* 返回顶部按钮 */
.back-to-top {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-to-top:hover {
    transform: scale(1.15) rotate(-5deg);
}

/* 悬浮栏移动端响应式 */
@media (max-width: 768px) {
    .floating-sidebar {
        right: 10px;
        gap: 8px;
    }
    
    .floating-item {
        width: 48px;
        height: 48px;
    }
    
    .floating-icon {
        font-size: 1.25rem;
    }
    
    .floating-tooltip {
        font-size: 0.75rem;
        padding: 6px 12px;
    }
    
    .wechat-qr {
        right: 65px;
        min-width: 180px;
        padding: 15px;
    }
    
    .qr-image {
        width: 150px;
        height: 150px;
    }
}