/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    font-family: 'Segoe UI', 'Arial', sans-serif;
    background: #f8f9fa;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

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

/* Background Animation */
.bg-gradient {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -2;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 400% 400%;
    animation: gradientMove 20s ease-in-out infinite;
}

/* 添加浮动粒子效果 */
.bg-gradient::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: floatParticles 15s ease-in-out infinite;
}

/* 添加几何图形背景 */
.bg-gradient::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.03) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(255, 255, 255, 0.03) 50%, transparent 60%);
    background-size: 100px 100px;
    animation: geometricMove 25s linear infinite;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes floatParticles {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
        opacity: 0.3;
    }
    25% { 
        transform: translateY(-20px) rotate(90deg);
        opacity: 0.6;
    }
    50% { 
        transform: translateY(-10px) rotate(180deg);
        opacity: 0.4;
    }
    75% { 
        transform: translateY(-30px) rotate(270deg);
        opacity: 0.7;
    }
}

@keyframes geometricMove {
    0% { background-position: 0 0; }
    100% { background-position: 100px 100px; }
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 40px;
    z-index: 1001;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    padding: 8px 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-switcher:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.current-lang {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: #333;
}

.current-lang i {
    color: #667eea;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    padding: 8px 0;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 150px;
}

.language-switcher.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    border-radius: 8px;
}

.lang-option:hover {
    background: #f8f9fa;
    transform: translateX(5px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 国旗emoji样式 */
.flag-emoji {
    font-size: 16px;
    transition: transform 0.3s ease;
    display: inline-block;
}

.lang-option:hover .flag-emoji {
    transform: scale(1.2);
}

/* 使用emoji国旗，删除复杂的CSS国旗样式 */

/* 移除旧的img样式，因为现在使用CSS国旗 */

/* Header and Navigation */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

.main-nav {
    padding: 0;
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 0;
}

.main-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 120px; /* 为语言选择器留出空间 */
}

.logo h1 {
    font-size: 2.2em;
    font-weight: 700;
    color: #333;
    margin: 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo a {
    font-size: 2.2em;
    font-weight: 700;
    color: #333;
    text-decoration: none;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.nav-logo a:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.tagline {
    font-size: 0.9em;
    color: #666;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: #667eea;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span,
.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 80px 0;
    min-height: 80vh;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content h2 {
    font-size: 3.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2em;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1em;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Overview Section */
.overview-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.9);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.overview-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.overview-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.overview-card i {
    font-size: 3em;
    color: #667eea;
    margin-bottom: 20px;
}

.overview-card h3 {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.overview-card p {
    color: #666;
    line-height: 1.6;
}



/* Company Profile Section */
.company-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.9);
}

/* Company Profile Page Styles */

/* Products Page Styles */
.products-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.products-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.products-hero-content {
    position: relative;
    z-index: 2;
}

.products-hero h1 {
    font-size: 3.5em;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.products-hero p {
    font-size: 1.3em;
    margin-bottom: 50px;
    opacity: 0.9;
}

.products-content-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.products-content {
    max-width: 1200px;
    margin: 0 auto;
}

.product-intro {
    text-align: center;
    margin-bottom: 80px;
}

.product-intro h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
}

.product-intro p {
    font-size: 1.2em;
    line-height: 1.8;
    color: #666;
    max-width: 900px;
    margin: 0 auto;
}

/* Online Showroom */
.showroom-section {
    margin: 60px 0;
    padding: 40px 0;
}

.showroom-section h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 2.5rem;
    color: #333;
    font-weight: 600;
}

.showroom-section p {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
}

.showroom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.showroom-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    background: white;
}

.showroom-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.showroom-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

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

.showroom-item:hover .showroom-image img {
    transform: scale(1.1);
}

.showroom-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
    color: white;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.showroom-item:hover .showroom-overlay {
    transform: translateY(0);
}

.showroom-caption {
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    display: block;
}

.showroom-zoom-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.showroom-item:hover .showroom-zoom-icon {
    opacity: 1;
}

.showroom-item {
    cursor: pointer;
}

.showroom-item::after {
    content: '点击查看大图';
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
    pointer-events: none;
}

.showroom-item:hover::after {
    opacity: 1;
}

/* Simple Lightbox Styles */
.simple-lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.simple-lightbox-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 800px;
    height: 90%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.simple-lightbox-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
    transition: color 0.3s ease;
}

.simple-lightbox-close:hover,
.simple-lightbox-close:focus {
    color: #bbb;
    text-decoration: none;
}

#simple-lightbox-image {
    max-width: 100%;
    max-height: 80%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.simple-lightbox-caption {
    color: white;
    text-align: center;
    margin-top: 20px;
    font-size: 1.1rem;
    font-weight: 500;
}

.product-showcase {
    margin-bottom: 80px;
}

.product-showcase h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 50px;
    text-align: center;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.showcase-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.showcase-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.showcase-image {
    height: 250px;
    overflow: hidden;
}

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

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

.showcase-content {
    padding: 30px;
}

.showcase-content h3 {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.showcase-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.showcase-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.showcase-features span {
    background: #f0f2f5;
    color: #667eea;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.9em;
    font-weight: 500;
}

.product-inquiry {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
    margin-top: 80px;
}

.inquiry-content h2 {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 20px;
}

.inquiry-content p {
    font-size: 1.2em;
    margin-bottom: 30px;
    opacity: 0.9;
}

.inquiry-content .btn-primary {
    background: white;
    color: #667eea;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.inquiry-content .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}
.company-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.company-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.company-hero-content {
    position: relative;
    z-index: 2;
}

.company-hero h1 {
    font-size: 3.5em;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.company-hero p {
    font-size: 1.3em;
    margin-bottom: 50px;
    opacity: 0.9;
}

.company-hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px 20px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stat .stat-number {
    display: block;
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 10px;
}

.hero-stat span:last-child {
    font-size: 0.9em;
    opacity: 0.8;
}

.company-content-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.company-content {
    max-width: 1200px;
    margin: 0 auto;
}

.company-content .company-intro {
    margin-bottom: 80px;
    text-align: center;
}

.company-content .company-intro h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
}

.company-content .company-intro p {
    font-size: 1.2em;
    line-height: 1.8;
    color: #666;
    max-width: 900px;
    margin: 0 auto;
}

.company-content .global-presence h2,
.company-content .product-range h2,
.company-content .global-sales h2,
.company-content .company-advantages h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

.company-content .global-presence > p,
.company-content .product-range > p,
.company-content .global-sales > p {
    text-align: center;
    font-size: 1.2em;
    color: #666;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.company-content {
    max-width: 1200px;
    margin: 0 auto;
}

.company-intro {
    text-align: center;
    margin-bottom: 80px;
}

.company-text h3 {
    font-size: 2em;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.company-text p {
    font-size: 1.1em;
    line-height: 1.8;
    color: #666;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat-card {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    font-size: 2.5em;
    color: #667eea;
    margin-bottom: 15px;
}

.stat-info .stat-number {
    display: block;
    font-size: 2em;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.stat-info span:last-child {
    color: #666;
    font-size: 0.9em;
}

.global-presence {
    margin-bottom: 80px;
}

.global-presence h3 {
    font-size: 2em;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.global-presence > p {
    text-align: center;
    font-size: 1.1em;
    color: #666;
    margin-bottom: 40px;
}

.global-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.global-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.global-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.global-flag {
    font-size: 3em;
    margin-bottom: 15px;
}

.global-card h4 {
    font-size: 1.3em;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.global-card ul {
    list-style: none;
    padding: 0;
}

.global-card li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.global-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.global-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

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

.global-stat .stat-number {
    display: block;
    font-size: 2.5em;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
}

.global-stat span:last-child {
    color: #666;
    font-size: 1em;
}

.product-range {
    margin-bottom: 80px;
}

.product-range h3 {
    font-size: 2em;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.product-range > p {
    text-align: center;
    font-size: 1.1em;
    color: #666;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.product-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.product-category {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-category h4 {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.product-category ul {
    list-style: none;
    padding: 0;
}

.product-category li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 25px;
}

.product-category li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.2em;
}

.global-sales {
    margin-bottom: 80px;
    text-align: center;
}

.global-sales h3 {
    font-size: 2em;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
}

.global-sales > p {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.sales-highlight {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 40px;
    border-radius: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.sales-number {
    margin-bottom: 20px;
}

.sales-number .stat-number {
    font-size: 3em;
    font-weight: 700;
    margin-right: 10px;
}

.sales-number span:last-child {
    font-size: 1.2em;
    opacity: 0.9;
}

.sales-highlight p {
    font-size: 1.1em;
    margin-bottom: 15px;
}

.sales-highlight small {
    opacity: 0.8;
    font-size: 0.9em;
}

.company-advantages {
    margin-bottom: 80px;
}

.company-advantages h3 {
    font-size: 2em;
    font-weight: 700;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    font-size: 3em;
    color: #667eea;
    margin-bottom: 20px;
}

.advantage-card h4 {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.advantage-card p {
    color: #666;
    line-height: 1.6;
}

.company-invitation {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
}

.invitation-content h3 {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 20px;
}

.invitation-content p {
    font-size: 1.2em;
    margin-bottom: 30px;
    opacity: 0.9;
}

.invitation-content .btn-primary {
    background: white;
    color: #667eea;
    font-size: 1.1em;
    padding: 15px 40px;
}

.invitation-content .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}



/* Products Section */
.products-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.9);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid #667eea;
    background: transparent;
    color: #667eea;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
    background: #667eea;
    color: white;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.btn-view {
    background: white;
    color: #667eea;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-view:hover {
    transform: scale(1.05);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 1.3em;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.product-info p {
    color: #666;
    margin-bottom: 15px;
}

.product-specs {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 15px;
}

.product-specs span {
    font-size: 0.9em;
    color: #888;
}

.product-price {
    font-size: 1.2em;
    font-weight: 700;
    color: #667eea;
}

/* Process Section */
.process-section {
    padding: 100px 0;
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

/* 移除竖线 */

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
    position: relative;
}

.process-step:nth-child(odd) {
    flex-direction: row;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2em;
    z-index: 2;
    position: relative;
}

.step-content {
    flex: 1;
    padding: 0 40px;
    text-align: center;
}

.step-content h3 {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.step-content p {
    color: #666;
    line-height: 1.6;
}

/* Service Section */
.service-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.9);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-card i {
    font-size: 3em;
    color: #667eea;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.service-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    text-align: left;
}

.service-card li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-details {
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 1.5em;
    color: #667eea;
    width: 40px;
}

.contact-item h4 {
    font-size: 1.1em;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.contact-item a,
.contact-item p {
    color: #666;
    text-decoration: none;
}

.contact-item a:hover {
    color: #667eea;
}

/* Contact Form */
.contact-form-container {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-right: 60px;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1em;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: #999;
    transition: all 0.3s ease;
    pointer-events: none;
    background: white;
    padding: 0 5px;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    left: 10px;
    font-size: 0.8em;
    color: #667eea;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Footer */
footer {
    background: #333;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: #667eea;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    text-align: center;
    color: #ccc;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease, transform 1s ease;
}

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

/* 添加鼠标跟随光效 */
.mouse-glow {
    position: fixed;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    transition: all 0.1s ease;
    opacity: 0;
}

/* 添加卡片悬停动画 */
.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 添加文字发光效果 */
.text-glow {
    text-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
    transition: text-shadow 0.3s ease;
}

.text-glow:hover {
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.8);
}

/* 添加按钮脉冲效果 */
.btn-pulse {
    position: relative;
    overflow: hidden;
}

.btn-pulse::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-pulse:hover::before {
    width: 300px;
    height: 300px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .language-switcher {
        position: fixed;
        top: 15px;
        right: 15px;
        z-index: 1001;
        padding: 6px 12px;
        font-size: 0.9em;
    }
    
    .nav-container {
        padding-right: 80px;
    }
    
    .current-lang span {
        display: inline;
    }
    
    .current-lang i:first-child {
        margin-right: 5px;
    }
    
    .current-lang span {
        display: none;
    }
    
    .current-lang i:first-child {
        margin-right: 0;
    }
    
    .lang-dropdown {
        right: -5px;
        min-width: 120px;
    }
    
    .lang-option {
        padding: 8px 12px;
        font-size: 0.9em;
    }

    /* Company Profile Section */
    .company-intro {
        text-align: center;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .global-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .global-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .product-categories-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .company-invitation {
        padding: 40px 20px;
    }
    
    .invitation-content h3 {
        font-size: 2em;
    }
    
    .sales-highlight {
        padding: 30px 20px;
    }
    
    .sales-number .stat-number {
        font-size: 2.5em;
    }
    
    /* Company Profile Page Responsive */
    .company-hero h1 {
        font-size: 2.5em;
    }
    
    .company-hero p {
        font-size: 1.1em;
    }
    
    .company-hero-stats {
        gap: 30px;
    }
    
    .hero-stat {
        padding: 20px 15px;
    }
    
    .hero-stat .stat-number {
        font-size: 2em;
    }
    
    /* Products Page Responsive */
    .products-hero h1 {
        font-size: 2.5em;
    }
    
    .products-hero p {
        font-size: 1.1em;
    }
    
    .product-intro h2 {
        font-size: 2em;
    }
    
    .product-intro p {
        font-size: 1.1em;
    }
    
    .showroom-section h2 {
        font-size: 2em;
    }
    
    .showroom-section p {
        font-size: 1rem;
    }
    
    .showroom-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .showroom-image {
        height: 220px;
    }
    
    .product-showcase h2 {
        font-size: 2em;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-inquiry {
        padding: 40px 20px;
    }
    
    .inquiry-content h2 {
        font-size: 2em;
    }
    
    .company-content .company-intro h2,
    .company-content .global-presence h2,
    .company-content .product-range h2,
    .company-content .global-sales h2,
    .company-content .company-advantages h2 {
        font-size: 2em;
    }
    
    .company-content .company-intro p,
    .company-content .global-presence > p,
    .company-content .product-range > p,
    .company-content .global-sales > p {
        font-size: 1.1em;
    }
    .language-switcher {
        top: 15px;
        right: 20px;
        padding: 6px 12px;
        font-size: 0.9em;
    }
    
    .lang-dropdown {
        right: -10px;
        min-width: 140px;
    }
    
    .nav-container {
        padding-left: 20px;
        padding-right: 80px; /* 移动端减少右边距 */
    }
    
    .nav-logo a {
        font-size: 1.8em;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        max-width: 100%;
        margin: 0;
    }
    
    .hero-content h2 {
        font-size: 2.5em;
    }
    

    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
        max-width: 100%;
        margin: 0;
    }
    
    .contact-form-container {
        margin-right: 0;
    }
    
    /* 移动端竖线已移除 */
    
    .process-step {
        flex-direction: row !important;
        margin-bottom: 40px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1em;
    }
    
    .step-content {
        padding-left: 80px;
        text-align: left;
        flex: 1;
    }
    
    .category-tabs {
        flex-wrap: wrap;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .showroom-section h2 {
        font-size: 1.8em;
    }
    
    .showroom-section p {
        font-size: 0.9rem;
    }
    
    .showroom-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .showroom-image {
        height: 200px;
    }
    
    .showroom-overlay {
        padding: 15px;
    }
    
    .showroom-caption {
        font-size: 1rem;
    }
    
    .simple-lightbox-content {
        width: 95%;
        padding: 15px;
    }
    
    .simple-lightbox-close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }
    
    #simple-lightbox-image {
        max-height: 70%;
    }
    
    .simple-lightbox-caption {
        font-size: 1rem;
        margin-top: 15px;
    }
    
    .language-switcher {
        top: 10px;
        right: 15px;
        padding: 5px 10px;
        font-size: 0.8em;
    }
    
    .nav-container {
        padding-left: 15px;
        padding-right: 60px; /* 小屏幕进一步减少右边距 */
    }
    
    .nav-logo a {
        font-size: 1.5em;
    }
    
    .current-lang span {
        display: none;
    }
    
    .current-lang i:first-child {
        margin-right: 0;
    }
    
    .lang-dropdown {
        right: -5px;
        min-width: 120px;
    }
    
    .lang-option {
        padding: 8px 12px;
        font-size: 0.9em;
    }
    
    /* 小屏幕竖线已移除 */
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 0.9em;
    }
    
    .step-content {
        padding-left: 60px;
    }
    
    /* Brochure Page Responsive */
    .brochure-hero h1 {
        font-size: 2.5em;
        animation: typewriter 2s steps(30) 0.5s forwards;
        white-space: normal;
        border-right: none;
    }
    
    .brochure-hero p {
        font-size: 1.1em;
    }
    
    .brochure-features {
        gap: 20px;
    }
    
    .feature-item {
        padding: 12px 20px;
        font-size: 0.9em;
    }
    
    .brochure-text h2 {
        font-size: 2em;
    }
    
    .brochure-text p {
        font-size: 1.1em;
    }
    
    .pdf-viewer-section {
        padding: 20px;
    }
    
    .pdf-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .pdf-container iframe {
        height: 600px;
    }
    
    .brochure-highlights h2 {
        font-size: 2em;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .highlight-card {
        padding: 30px 20px;
    }
    
    .brochure-contact {
        padding: 40px 20px;
    }
    
    .contact-content h2 {
        font-size: 2em;
    }
    
    .contact-content p {
        font-size: 1.1em;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* Brochure Page Styles */
.brochure-hero {
    background: transparent;
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.brochure-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8), rgba(118, 75, 162, 0.8));
    background-size: 400% 400%;
    animation: gradientMove 15s ease-in-out infinite;
    z-index: -1;
}

.brochure-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    z-index: -1;
}

.brochure-hero-content {
    position: relative;
    z-index: 2;
}

/* Floating Particles */
.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 8s;
}

.particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
    animation-duration: 10s;
}

.particle:nth-child(3) {
    top: 40%;
    left: 60%;
    animation-delay: 4s;
    animation-duration: 7s;
}

.particle:nth-child(4) {
    top: 80%;
    left: 20%;
    animation-delay: 1s;
    animation-duration: 9s;
}

.particle:nth-child(5) {
    top: 30%;
    left: 90%;
    animation-delay: 3s;
    animation-duration: 6s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
        opacity: 0.6;
    }
    25% {
        transform: translateY(-20px) translateX(10px);
        opacity: 1;
    }
    50% {
        transform: translateY(-10px) translateX(-5px);
        opacity: 0.8;
    }
    75% {
        transform: translateY(-30px) translateX(15px);
        opacity: 0.9;
    }
}

.brochure-hero h1 {
    font-size: 3.5em;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: typewriter 3s steps(40) 1s forwards;
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid white;
    width: 0;
}

@keyframes typewriter {
    to {
        width: 100%;
    }
}

.brochure-hero p {
    font-size: 1.3em;
    margin-bottom: 40px;
    opacity: 0.9;
}

.brochure-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    animation: floatUp 2s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

.feature-item:nth-child(1) { animation-delay: 0.2s; }
.feature-item:nth-child(2) { animation-delay: 0.4s; }
.feature-item:nth-child(3) { animation-delay: 0.6s; }

.feature-item:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.feature-item i {
    font-size: 1.2em;
}

.brochure-content-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.brochure-content {
    max-width: 1200px;
    margin: 0 auto;
}

.brochure-intro {
    text-align: center;
    margin-bottom: 60px;
}

.brochure-text h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
}

.brochure-text p {
    font-size: 1.2em;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.pdf-viewer-section {
    background: white;
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.pdf-controls {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    animation: slideInFromLeft 1s ease-out 0.5s both;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.pdf-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.3s ease;
    animation: slideInUp 1s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pdf-container:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.pdf-container iframe {
    display: block;
    border: none;
}

.brochure-highlights {
    margin-bottom: 60px;
}

.brochure-highlights h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.highlight-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.highlight-card:hover::before {
    left: 100%;
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.highlight-card:hover .highlight-icon {
    transform: scale(1.1) rotate(5deg);
}

.highlight-card:hover .highlight-icon::before {
    opacity: 1;
    transform: scale(1.2);
}

.highlight-card:hover .highlight-icon i {
    transform: scale(1.2);
}

.highlight-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
    position: relative;
}

.highlight-icon::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: all 0.3s ease;
}

.highlight-icon i {
    font-size: 2em;
    color: white;
    transition: all 0.3s ease;
}

.highlight-card h3 {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.highlight-card p {
    color: #666;
    line-height: 1.6;
}

.brochure-contact {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
}

.contact-content h2 {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-content p {
    font-size: 1.2em;
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Placeholder styles */
.placeholder {
    color: #999;
    font-style: italic;
}

/* Floating Contact Button */
.floating-contact {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 15px 20px;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
}

.floating-contact:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.4);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: #333;
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    background: #667eea;
    transform: translateY(-3px);
}

/* Tooltip */
.tooltip {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.8em;
    white-space: nowrap;
    z-index: 10;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #333;
}

/* Navigation Menu Active State */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    padding: 20px;
    z-index: 1002;
}

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

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Form Focus State */
.form-group.focused label {
    top: -10px;
    left: 10px;
    font-size: 0.8em;
    color: #667eea;
}

/* Fade In Up Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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