:root {
    --primary-color: #0d0d0d;
    --secondary-color: #1a1a2e;
    --accent-color: #00ff88;
    --accent-color-hover: #00cc6a;
    --neon-blue: #00d4ff;
    --neon-purple: #9d4edd;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border-color: rgba(0, 255, 136, 0.2);
    --gradient-start: #0f0f23;
    --gradient-end: #1a1a2e;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Discount Banner */
.discount-banner {
    background: linear-gradient(90deg, var(--neon-purple), var(--neon-blue), var(--accent-color));
    padding: 12px 0;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    overflow: hidden;
}

.discount-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(50%); }
}

.discount-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.discount-badge {
    background: rgba(0,0,0,0.3);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 12px;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.discount-text {
    color: var(--primary-color);
    font-weight: 600;
}

.discount-code {
    background: rgba(0,0,0,0.3);
    padding: 4px 16px;
    border-radius: 4px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--primary-color);
}

.banner-close {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 20px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.banner-close:hover {
    opacity: 1;
}

/* Header Styles */
.site-header {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: fixed;
    top: 44px;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-size: 32px;
    font-weight: 900;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: 3px;
    position: relative;
}

.site-logo::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent-color);
    border-radius: 50%;
    top: 50%;
    right: -18px;
    transform: translateY(-50%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--accent-color); }
    50% { opacity: 0.5; box-shadow: 0 0 20px var(--accent-color); }
}

.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 50px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.main-navigation a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s ease;
    padding: 10px 0;
}

.main-navigation a::before {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.main-navigation a:hover {
    color: var(--accent-color);
}

.main-navigation a:hover::before {
    width: 100%;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-trigger {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(13, 13, 13, 0.98);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    list-style: none;
    padding: 8px 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    margin: 0;
    padding: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.dropdown-menu a {
    display: flex;
    align-items: center;
    padding: 14px 25px;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: none;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    white-space: nowrap;
    gap: 12px;
}

.dropdown-menu a::before {
    content: '▸';
    color: var(--accent-color);
    font-size: 10px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.dropdown-menu a:hover {
    background: rgba(0, 255, 136, 0.1);
    color: var(--accent-color);
    padding-left: 20px;
}

.dropdown-menu a:hover::before {
    opacity: 1;
}



/* Hero Slider Section */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 700px;
    margin-top: 116px;
    overflow: hidden;
}

.slides-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
}

.slide-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 13, 13, 0.9) 0%, rgba(26, 26, 46, 0.7) 50%, rgba(13, 13, 13, 0.8) 100%);
}

.slide-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.slide-inner {
    max-width: 900px;
    padding: 0 30px;
}

.slide-badge {
    display: inline-block;
    background: rgba(0, 255, 136, 0.15);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 10px 30px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 30px;
    animation: slideIn 0.8s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 25px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

.slide-title span {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slide-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.slide-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #00cc6a 100%);
    color: var(--primary-color);
    padding: 20px 50px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: 0 4px 25px rgba(0, 255, 136, 0.4);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 255, 136, 0.6);
}

.cta-button-secondary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.25);
    color: var(--text-primary);
    padding: 20px 50px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    cursor: pointer;
}

.cta-button-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(0, 255, 136, 0.08);
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

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

.slider-dot.active {
    background: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-color);
    transform: scale(1.2);
}

.slider-arrows {
    position: absolute;
    top: 50%;
    left: 30px;
    right: 30px;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    z-index: 10;
}

.slider-arrow {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.slider-arrow:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-badge {
    display: inline-block;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Categories Section */
.categories-section {
    padding: 120px 0;
    position: relative;
}

.products-section {
    padding: 120px 0;
    position: relative;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 35px;
}

/* Category Card Styles */
.category-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 0;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--neon-blue), var(--neon-purple));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    border-radius: 25px 25px 0 0;
}

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

.category-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 255, 136, 0.5);
    box-shadow: 0 25px 70px rgba(0, 255, 136, 0.15);
}

.category-image-wrapper {
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-placeholder {
    font-size: 80px;
    color: var(--accent-color);
    opacity: 0.6;
}

.category-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.category-badge.coming-soon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
}

.category-info {
    padding: 30px;
}

.category-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.category-description {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 15px;
    line-height: 1.6;
}

.category-count {
    font-size: 13px;
    color: var(--neon-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Product Card Styles */
.product-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
    cursor: pointer;
}

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

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

.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 255, 136, 0.5);
    box-shadow: 0 25px 70px rgba(0, 255, 136, 0.15);
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.product-card:hover .product-image-wrapper img {
    transform: scale(1.05);
}

.product-placeholder {
    font-size: 100px;
    transition: transform 0.5s ease;
}

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

/* badge已隐藏 */
.product-badge {
    display: none;
}

.product-info {
    padding: 30px;
}

.product-category {
    font-size: 13px;
    color: var(--neon-blue);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.product-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.product-card:hover .product-title {
    color: var(--accent-color);
}

.product-description {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 25px;
    line-height: 1.7;
}

/* 价格和标识已隐藏 */
.product-price,
.product-badge {
    display: none;
}

.product-button {
    display: inline-block;
    background: transparent;
    border: none;
    color: var(--accent-color);
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    margin-top: 15px;
}

.product-button:hover {
    background: var(--accent-color);
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
}

.product-button:active {
    transform: translateY(-1px);
}

.product-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.product-actions .product-button {
    flex: 1;
    margin-top: 0;
    padding: 10px 16px;
    font-size: 12px;
}

.product-actions .inquiry-btn {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--accent-color);
}

.product-actions .inquiry-btn:hover {
    background: var(--accent-color);
}

/* Features Section */
.features-section {
    padding: 120px 0;
    background: rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(157, 78, 221, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 45px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.12) 0%, transparent 70%);
    transition: transform 0.6s ease;
}

.feature-item:hover::before {
    transform: scale(2.5);
}

.feature-item:hover {
    border-color: rgba(0, 255, 136, 0.5);
    transform: translateY(-8px);
}

.feature-icon {
    font-size: 64px;
    margin-bottom: 30px;
    color: var(--accent-color);
    position: relative;
    z-index: 1;
}

.feature-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}

.feature-description {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* B2B Highlight Cards */
.feature-item-highlight {
    background: rgba(0, 255, 136, 0.03);
    border-color: rgba(0, 255, 136, 0.15);
}

.feature-item-highlight:hover {
    border-color: rgba(0, 255, 136, 0.6);
    box-shadow: 0 20px 60px rgba(0, 255, 136, 0.08);
}

.feature-tag {
    display: inline-block;
    background: linear-gradient(135deg, #00ff88, #00cc6a);
    color: #000;
    font-size: 11px;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: 20px;
    margin-top: 18px;
    letter-spacing: 1.5px;
    position: relative;
    z-index: 1;
}

.features-grid-b2b {
    margin-bottom: 35px;
}

/* B2B Stats Bar */
.b2b-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 60px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
}

.b2b-stat-item {
    text-align: center;
    padding: 40px 20px;
    position: relative;
}

.b2b-stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: var(--border-color);
}

.b2b-stat-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.b2b-stat-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 2px;
}

@media (max-width: 768px) {
    .b2b-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .b2b-stat-item:nth-child(2)::after {
        display: none;
    }

    .b2b-stat-number {
        font-size: 28px;
    }
}

/* About Section */
.about-section {
    padding: 120px 0;
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    font-size: 44px;
    font-weight: 900;
    margin-bottom: 30px;
    line-height: 1.2;
}

.about-text h2 span {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.9;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.about-highlights .highlight-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
}

.about-highlights .highlight-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.about-highlights .highlight-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.about-image {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image-placeholder {
    font-size: 150px;
    color: var(--accent-color);
    opacity: 0.3;
}

.about-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Gallery Section */
.gallery-section {
    padding: 120px 0;
    background: rgba(0, 0, 0, 0.3);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-placeholder {
    font-size: 80px;
    color: var(--accent-color);
    opacity: 0.5;
    transition: all 0.4s ease;
}

.gallery-item:hover .gallery-placeholder {
    transform: scale(1.2);
    opacity: 0.8;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 255, 136, 0);
    transition: background 0.3s ease;
}

.gallery-item:hover::before {
    background: rgba(0, 255, 136, 0.15);
}

.gallery-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 50px;
    color: var(--accent-color);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 2;
}

.gallery-item:hover .gallery-overlay {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

/* Contact Section */
.contact-section {
    padding: 120px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    font-size: 44px;
    font-weight: 900;
    margin-bottom: 25px;
}

.contact-info > p {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 25px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent-color);
}

.contact-text h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
}

.contact-text p {
    font-size: 15px;
    color: var(--text-muted);
    margin: 0;
}

.contact-form {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 50px;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.form-select {
    width: 100%;
    padding: 18px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    font-size: 16px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: inherit;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    padding-right: 50px;
}

.form-select:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: rgba(0, 255, 136, 0.05);
}

.form-select option {
    background: #1a1a2e;
    color: var(--text-primary);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 18px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    font-size: 16px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.2);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
}

.contact-form textarea {
    resize: vertical;
    min-height: 160px;
}

.submit-button {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color) 0%, #00cc6a 100%);
    color: var(--primary-color);
    padding: 20px;
    border: none;
    border-radius: 15px;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 25px rgba(0, 255, 136, 0.3);
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 255, 136, 0.5);
}

/* Footer Styles */
.site-footer {
    background: rgba(0, 0, 0, 0.6);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    font-size: 32px;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: 3px;
    text-decoration: none;
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.footer-logo::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent-color);
    border-radius: 50%;
    top: 50%;
    right: -18px;
    transform: translateY(-50%);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    border-color: var(--accent-color);
}

.footer-section h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

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

.footer-newsletter p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-input {
    flex: 1;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
}

.newsletter-input:focus {
    border-color: var(--accent-color);
}

.newsletter-button {
    padding: 15px 22px;
    background: var(--accent-color);
    border: none;
    border-radius: 12px;
    color: var(--primary-color);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-button:hover {
    background: var(--accent-color-hover);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 35px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 30px;
}

.footer-bottom-links a {
    font-size: 14px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: var(--accent-color);
}

/* Product Detail Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    overflow-y: auto;
}

.modal-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    margin: 20px;
    max-width: 1200px;
    width: 100%;
    position: relative;
    padding: 60px;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
}

/* Left column: main image + thumbnails */
.product-gallery {
    display: flex;
    flex-direction: column;
}

.product-info-detail {
    padding: 40px 0;
}

.product-info-detail h1 {
    font-size: 44px;
    font-weight: 900;
    margin-bottom: 15px;
}

.product-info-detail .product-category {
    margin-bottom: 25px;
}

.product-price-detail {
    margin-bottom: 30px;
}

.current-price {
    font-size: 48px;
    font-weight: 900;
    color: var(--accent-color);
}

.original-price {
    font-size: 24px;
    font-weight: 400;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: 15px;
}

.product-description-detail h3,
.product-features-detail h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 15px;
}

.product-description-detail p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.product-features-detail ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.product-features-detail li {
    padding: 10px 20px;
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
}

.option-group {
    margin-bottom: 30px;
}

.option-group label {
    display: block;
    margin-bottom: 15px;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.option-buttons {
    display: flex;
    gap: 15px;
}

.option-btn {
    padding: 12px 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.option-btn.selected,
.option-btn:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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

.btn-add-cart-detail {
    flex: 1;
    padding: 20px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #00cc6a 100%);
    color: var(--primary-color);
    border: none;
    border-radius: 15px;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 25px rgba(0, 255, 136, 0.3);
}

.btn-add-cart-detail:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 255, 136, 0.5);
}

/* Responsive Design */
@media (max-width: 992px) {
    .slide-title {
        font-size: 48px;
    }

    .about-content,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

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

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

    .product-detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .discount-content {
        font-size: 12px;
        gap: 15px;
    }

    .banner-close {
        position: static;
        transform: none;
        margin-left: 10px;
    }

    .site-header {
        top: 40px;
    }

    .site-header .container {
        flex-direction: column;
        gap: 15px;
    }

    .main-navigation ul {
        gap: 25px;
    }

    .main-navigation a {
        font-size: 13px;
    }

    .hero-slider {
        margin-top: 180px;
    }

    .slide-title {
        font-size: 36px;
    }

    .slide-subtitle {
        font-size: 16px;
    }

    .slide-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-button,
    .cta-button-secondary {
        padding: 16px 40px;
        font-size: 14px;
    }

    .section-title {
        font-size: 36px;
    }

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

    .current-price {
        font-size: 36px;
    }
}

@media (max-width: 576px) {
    .slide-title {
        font-size: 28px;
    }

    .hero-slider {
        margin-top: 220px;
        min-height: 500px;
    }

    .section-title {
        font-size: 28px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-color);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color-hover);
}

/* Page Hero */
.page-hero {
    padding: 80px 0 60px;
    text-align: center;
    margin-top: 116px;
}

.page-hero .section-badge {
    margin-bottom: 20px;
}

.page-hero .section-title {
    font-size: 48px;
    margin-bottom: 20px;
}

.page-hero .section-description {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Category Tabs Section */
.category-tabs-section {
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 14px 32px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.category-tab:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.category-tab.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--primary-color);
}

/* Filters Section */
.filters-section {
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

.filters-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.filter-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.filter-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--primary-color);
}

.sort-group select {
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    cursor: pointer;
}

.sort-group select:focus {
    border-color: var(--accent-color);
}

/* Products List Section */
.products-list-section {
    padding: 60px 0 100px;
}

/* Product Detail View */
.product-detail-view {
    display: none;
    padding: 60px 0 100px;
}

.product-detail-view.active {
    display: block;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
}

.main-product-image {
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    border-radius: 30px;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 180px;
    overflow: hidden;
}

.main-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
}

.main-product-image .product-badge {
    top: 30px;
    right: 30px;
}

/* Image Carousel */
.image-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.image-carousel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
    opacity: 0;
    transition: opacity 0.4s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.image-carousel img.active {
    opacity: 1;
    position: relative;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 5;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-dot.active {
    background: var(--accent-color);
    transform: scale(1.2);
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    transition: all 0.3s ease;
    opacity: 0;
}

.main-product-image:hover .carousel-nav {
    opacity: 1;
}

.carousel-nav:hover {
    background: rgba(0, 255, 136, 0.3);
    border-color: var(--accent-color);
}

.carousel-nav.prev {
    left: 15px;
}

.carousel-nav.next {
    right: 15px;
}

/* Thumbnail strip - below main image */
.thumbnail-strip {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.thumbnail-strip::-webkit-scrollbar {
    height: 4px;
}

.thumbnail-strip::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.thumbnail-item {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.thumbnail-item.active {
    border-color: var(--accent-color);
}

.thumbnail-item:hover {
    border-color: rgba(0, 255, 136, 0.5);
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info-detail {
    padding: 40px 0;
}

.product-info-detail h1 {
    font-size: 44px;
    font-weight: 900;
    margin-bottom: 15px;
}

.product-info-detail .product-category {
    margin-bottom: 25px;
}

.product-price-detail {
    margin-bottom: 30px;
}

.current-price {
    font-size: 48px;
    font-weight: 900;
    color: var(--accent-color);
}

.original-price {
    font-size: 24px;
    font-weight: 400;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: 15px;
}

.product-description {
    margin-bottom: 30px;
}

.product-description h3,
.product-features-detail h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 15px;
}

.product-description p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.product-features-detail ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.product-features-detail li {
    padding: 10px 20px;
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
}

.option-group {
    margin-bottom: 30px;
}

.option-group label {
    display: block;
    margin-bottom: 15px;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.option-buttons {
    display: flex;
    gap: 15px;
}

.option-btn {
    padding: 12px 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.option-btn.selected,
.option-btn:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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

.btn-add-cart-detail {
    flex: 1;
    padding: 20px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #00cc6a 100%);
    color: var(--primary-color);
    border: none;
    border-radius: 15px;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 25px rgba(0, 255, 136, 0.3);
}

.btn-add-cart-detail:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 255, 136, 0.5);
}

/* Related Products */
.related-products {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--border-color);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.related-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.related-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.related-card-image {
    height: 300px;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    overflow: hidden;
    border-radius: 15px 15px 0 0;
}

.related-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-card-details {
    padding: 20px;
}

.related-card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
}

.related-card-price {
    font-size: 20px;
    font-weight: 800;
    color: var(--accent-color);
}

/* Responsive for Products Page */
@media (max-width: 992px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-hero {
        margin-top: 180px;
    }
    
    .page-hero .section-title {
        font-size: 36px;
    }
    
    .category-tabs {
        gap: 10px;
    }
    
    .category-tab {
        padding: 10px 20px;
        font-size: 12px;
    }
    
    .filters-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-group {
        width: 100%;
        justify-content: flex-start;
    }
    
    .filter-btn {
        flex: 1;
        text-align: center;
        min-width: 100px;
    }
    
    .sort-group {
        width: 100%;
    }
    
    .sort-group select {
        width: 100%;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .product-features-detail ul {
        grid-template-columns: 1fr;
    }
}