/* ===================================
   FIXED HOME DESIGN
   Clean, Modern & Working
   =================================== */

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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --accent: #f59e0b;
    --dark: #0f172a;
    --gray: #64748b;
    --light: #f1f5f9;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    font-size: 16px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* 允许复制的文本内容区域 */
.site-header,
.hero-section,
.features-section,
.products-section,
.recommended-section,
.about-section,
.cta-section,
.footer,
.product-info,
.feature-item,
.about-content,
.stats-container,
.stat-box,
.footer-contact p {
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

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

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

input, button {
    outline: none;
}

.container {
    max-width: 1348px;
    margin: 0 auto;
    padding: 0 20px;
}

.pc-show { display: block; }
.phone-show { display: none; }

/* ==================== HEADER ==================== */
.site-header {
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Top Bar */
.top-bar {
    background: #f8f9fa;
    border-bottom: 1px solid var(--border);
}

.top-bar .container {
    padding: 8px 20px;
}

.email-info {
    text-align: right;
}

.email-label {
    font-size: 14px;
    color: var(--gray);
}

.email-link {
    margin-left: 8px;
    font-size: 14px;
    color: #0066CC;
    text-decoration: underline;
}

/* Main Header */
.main-header {
    padding: 0;
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    gap: 30px;
}

/* Logo */
.logo {
    flex: 0 0 auto;
}

.logo a {
    display: block;
}

.logo img {
    height: 50px;
}

/* Navigation */
.main-nav {
 /*   flex: 1 0 auto;*/
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-link {
    display: block;
    padding: 0 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--primary);
}

/* Dropdown */
.nav-item {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 15px;
    color: var(--gray);
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: var(--light);
    color: var(--primary);
    padding-left: 25px;
}

/* Search */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box input {
    width: 250px;
    padding: 10px 40px 10px 15px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    border-color: var(--primary);
}

.search-box .search-icon {
    position: absolute;
    right: 3px;
    width: 32px;
    height: 32px;
    cursor: pointer;
	top: 3px;
}
.search-icon {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: inline-block;
}

.search-icon img {
    display: block;
    /* 保持原有的图片样式 */
}
/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    width: 35px;
    padding: 5px 0;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--dark);
    transition: all 0.3s ease;
}

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

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

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

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 70%;
    height: 100vh;
    background: var(--white);
    z-index: 999;
    overflow-y: auto;
    padding: 80px 20px 20px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav li {
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--border);
}

.mobile-nav a {
    display: block;
    padding: 15px 0;
    font-size: 18px;
    font-weight: 500;
    color: var(--dark);
}

.mobile-nav a:hover {
    color: var(--primary);
}

/* ==================== HERO SLIDER ==================== */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 600px;
}

.hero-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    display: none;
}

.hero-slide.active {
    display: block;
    animation: fadeIn 0.8s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(1.05);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.7) 0%, rgba(15, 23, 42, 0.3) 100%);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 900px;
    z-index: 10;
    text-align: center;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
    animation: slideUp 0.8s ease 0.2s both;
}

.hero-content p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: slideUp 0.8s ease 0.4s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-btn-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 0.8s ease 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

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

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

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

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

.btn-accent:hover {
    background: #d97706;
    transform: translateY(-2px);
}

/* Slider Navigation */
.hero-nav-left,
.hero-nav-right {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
}

.hero-nav-left {
    left: 30px;
}

.hero-nav-right {
    right: 30px;
}

.hero-nav-left button,
.hero-nav-right button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-nav-left button:hover,
.hero-nav-right button:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.hero-nav-center {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
}

.hero-indicators {
    display: flex;
    gap: 12px;
}

.hero-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-indicator.active {
    background: var(--white);
    width: 40px;
    border-radius: 6px;
}

.hero-indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* ==================== FEATURES ==================== */
.features-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #7186b3 0%, #5a6d94 100%);
}

.features-section .container {
    padding: 0 20px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    color: var(--white);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-item p {
    font-size: 15px;
    opacity: 0.95;
}

/* ==================== PRODUCTS ==================== */
.products-section {
    padding: 60px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 10px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray);
}

.tabs-header {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tabs-header a {
    padding: 12px 25px;
    background: var(--light);
    color: var(--gray);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
}

.tabs-header a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--white);
}

.tabs-header a.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.tabpage {
    display: none;
}

.tabpage.active {
    display: block;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.product-card a {
    display: block;
}

.product-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
    z-index: 5;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.product-info p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.btn-link {
    color: var(--primary);
    font-weight: 600;
    transition: color 0.3s ease;
}

.btn-link:hover {
    color: var(--primary-dark);
}

/* ==================== RECOMMENDED ==================== */
.recommended-section {
    padding: 60px 0;
    background: var(--light);
}

.recommended-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.recommended-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
}

/* ==================== ABOUT ==================== */
.about-section {
    padding: 60px 0;
    background: var(--white);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-video-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
}

.about-video-wrapper video {
    width: 100%;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.video-play-btn {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.video-play-btn::before {
    content: '';
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 25px solid var(--primary);
    margin-left: 5px;
}

.about-video-wrapper:hover .video-play-btn {
    transform: scale(1.1);
    background: var(--white);
}

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

.about-content p {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 15px;
    line-height: 1.8;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-box {
    text-align: center;
    padding: 25px;
    background: var(--light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.stat-box:hover {
    background: var(--primary);
    color: var(--white);
}

.stat-number {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 15px;
    opacity: 0.8;
}

/* ==================== CTA ==================== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #c3cee7 0%, #9fb5fd 100%);
    text-align: center;
    color: var(--white);
}

.cta-section h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-section .btn {
    background: var(--white);
    color: #1e40af;
    padding: 18px 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.cta-section .btn:hover {
    background: var(--light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-brand img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 15px;
    line-height: 1.7;
}

.footer h4 {
    color: var(--white);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.footer a {
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--white);
}

.footer-contact p {
    margin-bottom: 15px;
    font-size: 15px;
}

.footer-contact strong {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 40px;
}

.footer-bottom p {
    margin-bottom: 8px;
    font-size: 14px;
}

/* ==================== FLOATING BUTTONS ==================== */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #7186b3;
    color: var(--white);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.floating-btn img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.floating-btn:hover {
    transform: scale(1.1);
    background: rgb(255 255 255 / 80%);
}

.floating-btn a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

/* 返回顶部按钮 - 滚动控制显示隐藏 */
#scrollTopBtn {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

#scrollTopBtn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 客服悬浮按钮 */
.customer-service-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #22c55e;
    border: none;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: breathe 2s ease-in-out infinite;
    z-index: 1001;
}

/* 悬停时停止呼吸动画 */
.customer-service-btn:hover {
    animation: none;
}

@keyframes breathe {
    0% {
        box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 8px 30px rgba(34, 197, 94, 0.8);
        transform: scale(1.1);
    }
    100% {
        box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
        transform: scale(1);
    }
}

.customer-icon-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.customer-service-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(34, 197, 94, 0.8);
}

.customer-service-btn:hover .customer-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.customer-dropdown {
    position: absolute;
    bottom: 60px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1002;
}

.customer-service-btn:hover .customer-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.customer-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--white);
    border-radius: 8px;
    color: var(--dark);
    box-shadow: var(--shadow);
    white-space: nowrap;
    transition: all 0.3s ease;
}

.customer-link:hover {
    background: var(--light);
    color: var(--primary);
    transform: translateX(-5px);
    box-shadow: var(--shadow-lg);
}

.link-icon {
    font-size: 18px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.link-icon img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.link-text {
    font-size: 14px;
    font-weight: 500;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 992px) {
    .hero-content h2 {
        font-size: 36px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .about-container {
        grid-template-columns: 1fr;
    }

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

    .main-nav {
        display: none;
    }

    .search-box {
        display: none;
    }
}

@media (max-width: 768px) {
    .pc-show { display: none; }
    .phone-show { display: block; }

    .hero-slider {
        height: 450px;
    }

    .hero-content h2 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 14px;
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .stats-container {
        grid-template-columns: 1fr;
    }

    .recommended-header {
        flex-direction: column;
        text-align: center;
    }

    .hero-nav-left button,
    .hero-nav-right button {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .logo img {
        height: 50px;
    }
}

/* ==================== QUALITY ADVANTAGES ==================== */
.margin-t60 {
    margin-top: 60px;
}

.cptd-box {
    width: 100%;
}

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

.yunu-section-title {
    text-align: center;
    font-size: 40px;
    margin-bottom: 40px;
}

.yunu-section-title span {
    display: inline-block;
    position: relative;
    padding: 0 30px;
    font-weight: bold;
    color: inherit;
}

.yunu-section-title span:before,
.yunu-section-title span:after {
    width: 20px;
    height: 1px;
    position: absolute;
    content: '';
    top: 50%;
}

.yunu-section-title span:before {
    right: 100%;
}

.yunu-section-title span:after {
    left: 100%;
}

.yunu-section-title p {
    margin: 15px 0 0;
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.yunu-section-title.white {
    color: #fff;
}

.yunu-section-title.white span:before,
.yunu-section-title.white span:after {
    background-color: #fff;
}

.yunu-pinzhi {
    margin-left: -8px;
    display: flex;
    flex-wrap: wrap;
}

.yunu-pinzhi li {
    float: left;
    width: 20%;
}

.yunu-pinzhi li a {
    display: block;
    margin-left: 8px;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.img-center {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.img-center img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.yunu-pinzhi li a:hover .img-center img {
    transform: scale(1.1);
}

.yunu-pinzhi li .text {
    background-color: #fff;
    text-align: center;
    position: relative;
    z-index: 1;
    height: 232px;
    padding: 20px;
    transition: all 0.4s ease;
}

.yunu-pinzhi li i {
    display: inline-block;
    background: no-repeat center;
    height: 68px;
    margin-top: -34px;
    width: 68px;
    position: relative;
    top: 34px;
    z-index: 2;
}

.yunu-pinzhi li h4 {
    line-height: 50px;
    background: url(/static/images/pinz_line01.gif) no-repeat center bottom;
    font-size: 18px;
    margin: 0;
    color: #333;
    font-weight: bold;
}

.yunu-pinzhi li p {
    color: #777;
    line-height: 1.8;
    font-size: 14px;
    margin-top: 10px;
}

.yunu-pinzhi li .box {
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #7186b3 0%, #5a6d94 100%);
    padding: 20px;
    text-align: center;
    opacity: 0;
    transition: all 0.4s ease;
    /*display: flex;*/
    flex-direction: column;
    justify-content: center;
}

.yunu-pinzhi li .box i {
    margin-top: 110px;
}

.yunu-pinzhi li .box h4 {
    background-image: url(/static/images/pinz_line02.gif);
    color: #fff;
}

.yunu-pinzhi li .box p {
    color: #fff;
}

.yunu-pinzhi li a:hover .text {
    opacity: 0;
}

.yunu-pinzhi li a:hover .box {
    top: 0;
    opacity: 1;
}

.clearfix {
    *zoom: 1;
}

.clearfix:before,
.clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}

/* Quality advantages user-select text */
.yunu-pinzhi li h4,
.yunu-pinzhi li p,
.yunu-section-title,
.yunu-section-title span,
.yunu-section-title p {
    user-select: text !important;
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
}

/* Mobile responsive for quality advantages */
@media (max-width: 1200px) {
    .yunu-pinzhi li {
        width: 33.333%;
    }
}

@media (max-width: 992px) {
    .yunu-pinzhi li {
        width: 50%;
    }

    .yunu-section-title {
        font-size: 32px;
    }

    .yunu-section-title p {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .yunu-section-title {
        font-size: 28px;
    }

    .yunu-section-title p {
        font-size: 16px;
    }

    .yunu-pinzhi li {
        width: 100%;
    }

    .yunu-pinzhi li .text {
        height: auto;
        min-height: 200px;
    }

    .yunu-pinzhi li i {
        margin-top: 0;
        top: 0;
        margin-bottom: 10px;
    }

    .yunu-pinzhi li .box i {
        margin-top: 0;
        top: 0;
        margin-bottom: 10px;
    }

    .img-center {
        height: 180px;
    }
}

/* ==================== new  Carousel fade in/fade out effect - added to CSS file ==================== */
/* 客服按钮气泡提示 */
.customer-service-btn {
    position: relative;
}

.chat-bubble-footer {
    position: absolute;
    bottom: 10px;  /* 往下调，原来是 bottom: 50% */
    right: 70px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    animation: fadeInOut 10s ease-in-out infinite;  /* 延长周期到10秒 */
    z-index: 1000;
    pointer-events: none;
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(2px);
}

/* 小尾巴 - 指向客服按钮 */
.chat-bubble-footer::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 8px solid #128C7E;
}

/* 渐变消失和重现动画 - 停留6秒后渐变消失 */
@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: translateX(10px);
    }
    10% {
        opacity: 1;
        transform: translateX(0);
    }
    70% {  /* 前70%的时间都在显示 (10%到70%是60%的时间，即6秒) */
        opacity: 1;
        transform: translateX(0);
    }
    85% {  /* 70%到85%渐变消失 (1.5秒) */
        opacity: 0;
        transform: translateX(10px);
    }
    100% {
        opacity: 0;
        transform: translateX(10px);
    }
}

/* 手机端适配 */
@media (max-width: 768px) {
    .chat-bubble-footer {
        font-size: 12px;
        padding: 6px 12px;
        right: 60px;
        bottom: 5px;  /* 手机端也往下调 */
    }
}