/* Reset and Base Styles */


/* Header Styles */
.header {
  
   
    position: relative;
    
    z-index: 1000;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 2rem;
    max-width: 1000px;
  
    height: 100px;
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    width: 200px;
    
}

.logo-text {
    font-size: 1.2rem;
    font-weight: bold;
    color: #d32f2f;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: #666;
    margin-left: -10px;
}

/* Navigation Menu */
.nav-menu {
    margin:0 auto;
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 900;
    padding: 1rem 0;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #73b72a;
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.nav-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Dropdown Menu Styles */
.dropdown-menu {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(-15px);
    background: #fff;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    min-width: 280px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}



/* JavaScript控制的活跃状态 */
.nav-item.dropdown-active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-content {
    padding: 1.5rem;
}

/* Services Dropdown */
.services-dropdown {
      
    width: 1200px;
}

.services-dropdown .dropdown-content {
    display: grid;
    
    gap: 1.5rem;
    padding: 2rem;
}

a.dropdown-section {
   /* display: flex;*/
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem 1.5rem 0 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    background: #fff;
    text-decoration: none;
    color: inherit;
    
}

a.dropdown-section:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: inherit;
}



.industry-item:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: inherit;
}

.material-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
   
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    background: #fff;
    text-decoration: none;
    color: inherit;
}

.material-item:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: inherit;
}

.section-image {
    margin: 0 auto;
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.dropdown-section .content {
    flex: 1;
}

.dropdown-section h3 {
    text-align: center;
  padding-top: 0.5rem;
    color: #3182CE;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.dropdown-section p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.view-all {
    color: #3182CE;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.view-all:hover {
    color: #3182CE;
}

/* Remove underlines from all dropdown menu links */
.dropdown-menu a {
    text-decoration: none;
}

.dropdown-menu a:hover {
    text-decoration: none;
}
.solu{margin-top: 2rem;}
/* Specific styles for industry items and material items */
.industry-item a,
.material-item a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.industry-item a:hover,
.material-item a:hover {
    text-decoration: none;
}

/* Capabilities Dropdown */
.capabilities-dropdown {
    width: 1200px;
}

.capabilities-dropdown .dropdown-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    padding: 2rem 2rem 0.5rem 2rem;
}
.dropdown-column{}
.dropdown-column h3 {
    padding-top: 0.5rem;
    color: #3182CE;
    font-size: 1.1rem;
    margin-bottom: 1rem;
  text-align: center;
    padding-bottom: 0.5rem;
}

/* Industries Grid */
.industry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.industry-grids {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.industry-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
   padding: 0 0 0.5rem 0;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    background: #fff;
    text-decoration: none;
    color: inherit;
}

.industry-item:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.industry-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
   border-top-left-radius: 6px;
border-top-right-radius: 6px;
    flex-shrink: 0;
}

.industry-item h4 {
    color: #3182CE;
    font-size: 1rem;
    margin-bottom: 0.1rem;
    font-weight: 600;
}
.industry-item h4:hover {
    color: #73b72a;
}
.material-info h4:hover {
    color: #73b72a;
}
.dropdown-section h3:hover { color:#73b72a}
.industry-item p {
    color: #666;
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Finish Options */
.finish-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.finish-item {
    background: #f0f0f0;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    color: #666;
    transition: all 0.3s ease;
}

.finish-item:hover {
    background: #d32f2f;
    color: #fff;
}

/* Materials List */
.materials-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}


.industry-item img {
    width: 100%;
    height: 100px;
}

.solut {
    margin-top: 20px;
}

.dropdown-image {
    margin-top: 2rem;
    width: 370px;
}

.dropdown-image img {
    width: 100%;
}
.material-item img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
}

.material-info h4 {
    padding-top: 10px;
    color: #333;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

/* Simple Dropdown for Resources and Company */
.dropdown-link {
    display: block;
    padding: 1rem 1.5rem;
    color: #333;
    text-decoration: none;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.dropdown-link:hover {
    color: #d32f2f;
    background-color: #f8f9fa;
    padding-left: 2rem;
}

.dropdown-link:last-child {
    border-bottom: none;
}

/* CTA Button */
.cta-button {
    margin-left: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-quote {
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    padding: 0.8rem 1.2rem;
    border: 2px solid #d32f2f;
    background: #d32f2f;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    white-space: nowrap;
}

.btn-quote:hover {
    background: #b71c1c;
    border-color: #b71c1c;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
}

/* Phone Button Styles */
.btn-phone {
    background: #d32f2f;
    color: #fff;
    border-color: #d32f2f;
}

.btn-phone:hover {
    background: #b71c1c;
    border-color: #b71c1c;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
}

.phone-icon {
    font-size: 1.1rem;
}

/* Social Media Dropdown */
.social-media-dropdown {
    position: relative;
}

.btn-social {
    background: #4CAF50;
    border-color: #4CAF50;
    color: #fff;
}

.btn-social:hover {
    background: #45a049;
    border-color: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.btn-social .social-icon {
    font-size: 1.1rem;
}

.btn-social .dropdown-arrow {
    margin-left: auto;
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.social-media-dropdown:hover .btn-social .dropdown-arrow {
    transform: rotate(180deg);
}

.social-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    min-width: 200px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    margin-top: 0.8rem;
    overflow: hidden;
}

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

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid #f5f5f5;
    font-size: 0.9rem;
    font-weight: 500;
}

.social-link:last-child {
    border-bottom: none;
}

.social-link:hover {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #4CAF50;
    padding-left: 2rem;
    transform: translateX(5px);
}

.social-link .social-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
    transition: transform 0.3s ease;
}

.social-link:hover .social-icon {
    transform: scale(1.2);
}


/* Main Content */
.main-content {
    margin-top: 70px;
    padding: 2rem;
}

.hero {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

.hero h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 100px;
    left: 0;
    width: 100%;
    height: calc(100vh - 100px);
    background: #fff;
    z-index: 999;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

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

.mobile-nav-content {
    padding: 1rem;
}

.mobile-nav-item {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.mobile-nav-link:hover {
    color: #d32f2f;
}

.mobile-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.mobile-nav-item.active .mobile-arrow {
    transform: rotate(180deg);
}

/* Mobile Submenu */
.mobile-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: #f8f9fa;
    margin: 0;
}

.mobile-submenu.active {
    max-height: 500px;
}

.mobile-submenu-section {
    padding: 0.5rem 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.mobile-submenu-section h4 {
    color: #3182CE;
    font-size: 1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.mobile-submenu-link {
    display: block;
    padding: 0.5rem 0;
    color: #666;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    padding-left: 1rem;
    border-left: 2px solid transparent;
}

.mobile-submenu-link:hover {
    color: #d32f2f;
    padding-left: 1rem;
}

.mobile-submenu-link:last-child {
    border-bottom: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        right: 30px;
    position: absolute;
        display: flex;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .cta-button {
        display: none;
    }
    
    .navbar {
        padding: 0 1rem;
    }
    
    .logo img {
        width: 150px;
    }
    
    .main-content {
        margin-top: 100px;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        height: 80px;
        padding: 0 0.5rem;
    }
    
    .mobile-nav {
        top: 130px;
        height: calc(100vh - 80px);
    }
    
    .logo img {
        width: 120px;
    }
    
    .main-content {
        margin-top: 80px;
        padding: 1rem;
    }
    
    .hero {
        padding: 1.5rem 0.5rem;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .mobile-nav-link {
        font-size: 1rem;
    }
}