/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors - 低调奢感 · 美妆制造集团型 */
    --primary-color: #2B2B2B;
    --secondary-color: #5E5E5E;
    --accent-color: #B8A98A;
    --accent-gold: #B8A98A;
    --accent-gold-light: #C4B69A;
    --accent-gold-dark: #9C8F75;
    
    /* Text Colors */
    --text-dark: #2B2B2B;
    --text-light: #5E5E5E;
    --text-muted: #9A9A9A;
    --text-white: #ffffff;
    --text-gold: #B8A98A;
    
    /* Background Colors - 集团感专业 */
    --bg-white: #ffffff;
    --bg-light: #FCFCFB;
    --bg-gray-light: #EAEAEA;
    --bg-cream: #FCFCFB;
    --bg-warm-gray: #EAEAEA;
    --bg-gradient-start: #FCFCFB;
    --bg-gradient-end: #FCFCFB;
    
    /* Border & Shadow */
    --border-color: #EAEAEA;
    --border-light: #F5F5F5;
    --border-gold: rgba(184, 169, 138, 0.3);
    --border-dark: rgba(43, 43, 43, 0.1);
    --shadow: 0 2px 8px rgba(43, 43, 43, 0.06), 0 1px 3px rgba(43, 43, 43, 0.04);
    --shadow-lg: 0 8px 24px rgba(43, 43, 43, 0.08), 0 4px 8px rgba(43, 43, 43, 0.04);
    --shadow-xl: 0 16px 40px rgba(43, 43, 43, 0.12);
    --shadow-gold: 0 4px 16px rgba(184, 169, 138, 0.12);
    --shadow-luxury: 0 4px 20px rgba(43, 43, 43, 0.08);
    --shadow-elegant: 0 2px 12px rgba(43, 43, 43, 0.06);
    
    /* Gradient Colors - 低调专业 */
    --gradient-primary: linear-gradient(135deg, #2B2B2B 0%, #5E5E5E 100%);
    --gradient-hero: linear-gradient(135deg, #FCFCFB 0%, #EAEAEA 50%, #FCFCFB 100%);
    --gradient-accent: linear-gradient(135deg, #B8A98A 0%, #C4B69A 100%);
    --gradient-gold: linear-gradient(135deg, #B8A98A 0%, #9C8F75 100%);
    --gradient-dark: linear-gradient(135deg, #2B2B2B 0%, #5E5E5E 100%);
    --gradient-subtle: linear-gradient(135deg, #FCFCFB 0%, #EAEAEA 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--bg-light);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(252, 252, 251, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(43, 43, 43, 0.08);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
    box-shadow: 0 2px 8px rgba(43, 43, 43, 0.1);
    background: rgba(252, 252, 251, 0.99);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-image {
    height: 50px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.logo a:hover .logo-image {
    opacity: 0.85;
    transform: scale(1.02);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-item-dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.7rem;
    margin-left: 0.25rem;
    transition: transform 0.3s ease;
    display: inline-block;
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--bg-white);
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
    list-style: none;
    min-width: 200px;
    padding: 0.5rem 0;
    margin-top: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    z-index: 1000;
    backdrop-filter: blur(20px);
}

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

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
}

.dropdown-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-gold);
    transform: scaleY(0);
    transition: transform 0.2s ease;
}

.dropdown-menu a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 1.75rem;
}

.dropdown-menu a:hover::before {
    transform: scaleY(1);
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 0;
    height: 1px;
    background: var(--accent-gold);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
    transform: translateX(-50%) scaleX(1);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero区域 - 轮播图，以背景图为主，保证区域明亮 */
.hero-carousel {
    position: relative;
    height: 100vh;
    min-height: 750px;
    overflow: hidden;
    background: #f8f8f8;
}

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

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(100%);
    z-index: 1;
    pointer-events: none;
}

.carousel-slide.active {
    opacity: 1;
    transform: translateX(0);
    z-index: 2;
    pointer-events: auto;
}

.carousel-slide.prev {
    opacity: 0;
    transform: translateX(-100%);
    z-index: 0;
    pointer-events: none;
}

.carousel-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.8s ease-in-out;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: high-quality;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.carousel-slide.active .carousel-image img {
    transform: scale(1);
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 1;
    pointer-events: none;
}

.carousel-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    padding: 4rem 0;
    animation: fadeInUp 1s ease;
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    gap: 0;
}

.carousel-badge {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: rgba(43, 43, 43, 0.9);
    border: 1px solid var(--accent-gold);
    border-radius: 6px;
    color: var(--text-white);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 30px rgba(212, 175, 55, 0.25);
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
    align-self: flex-start;
    position: relative;
}

.carousel-badge:focus {
    outline: 2px solid var(--accent-gold);
    outline-offset: 3px;
    background: rgba(43, 43, 43, 0.95);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.5), 0 0 40px rgba(212, 175, 55, 0.3);
}

.carousel-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--text-white);
    text-shadow: 0 6px 30px rgba(0, 0, 0, 0.5), 0 3px 12px rgba(0, 0, 0, 0.4), 0 1px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    transition: all 0.3s ease;
    word-spacing: 0.05em;
}

.carousel-title:focus {
    outline: 2px solid var(--accent-gold);
    outline-offset: 4px;
    border-radius: 4px;
    padding: 0.5rem;
    margin: -0.5rem;
}

.carousel-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 120px;
    height: 4px;
    background: linear-gradient(to right, var(--accent-gold), rgba(212, 175, 55, 0.5));
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
}

.carousel-subtitle {
    font-size: 1.375rem;
    margin-bottom: 3.5rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.98);
    font-weight: 400;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8), 0 2px 6px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    max-width: 85%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.carousel-subtitle:focus {
    outline: 2px solid var(--accent-gold);
    outline-offset: 4px;
    border-radius: 4px;
    background: rgba(43, 43, 43, 0.3);
    padding: 0.75rem;
    margin: -0.75rem;
}

.carousel-buttons {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    color: var(--text-white);
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--accent-gold);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-prev {
    left: 2rem;
}

.carousel-next {
    right: 2rem;
}

.carousel-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-indicator:hover {
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.carousel-indicator.active {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    width: 32px;
    border-radius: 6px;
}

/* Hero区域 - 保留原有样式以兼容 */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    text-align: left;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-light);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(43, 43, 43, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(94, 94, 94, 0.015) 0%, transparent 50%);
    z-index: 1;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.03) 0%, rgba(245, 245, 240, 0.05) 100%);
    opacity: 0.6;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.7) 60%, rgba(255, 255, 255, 0.4) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 700px;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-block;
    padding: 0.625rem 1.5rem;
    background: var(--primary-color);
    border: 1px solid var(--accent-gold);
    border-radius: 2px;
    color: var(--text-white);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

@keyframes badgeFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--primary-color);
    animation: titleFadeIn 1s ease-out;
    position: relative;
}

.hero-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 1px;
    background: var(--accent-gold);
    animation: lineExpand 1.2s ease-out;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
    color: var(--text-dark);
    font-weight: 400;
    opacity: 0.8;
    animation: subtitleFadeIn 1.2s ease-out;
}

@keyframes subtitleFadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 0.8;
        transform: translateY(0);
    }
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 500;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--accent-gold);
    border: none;
    border-radius: 2px;
    color: var(--text-white);
    font-size: 0.7rem;
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
    font-weight: 600;
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(43, 43, 43, 0.3), 0 2px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.02em;
    padding: 1rem 2.5rem;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(43, 43, 43, 0.4), 0 4px 12px rgba(0, 0, 0, 0.3);
    background: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.02em;
    padding: 1rem 2.5rem;
    font-weight: 600;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.btn-block {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--secondary-color);
    font-weight: 500;
    animation: bounce 2s infinite;
}

.scroll-indicator .arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
    transform: rotate(45deg);
    margin: 10px auto;
}

/* 通用区块样式 */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: var(--accent-gold);
    animation: lineExpand 1s ease-out;
}

@keyframes lineExpand {
    from {
        width: 0;
    }
    to {
        width: 80px;
    }
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.25rem;
    letter-spacing: -0.03em;
    animation: titleSlideIn 0.8s ease-out;
    position: relative;
    line-height: 1.2;
}

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

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.6;
    font-weight: 400;
}

/* 关于我们 */
.about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}

.about-text h3 {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    line-height: 1.3;
    letter-spacing: -0.01em;
    flex-shrink: 0;
}

.about-text-content p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
}

.about-text-content h3 {
    margin-bottom: 1.5rem;
}

.about-text {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 500px;
}

.about-text-content {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    flex-shrink: 0;
}

.stat-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-white);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.08);
}

.stat-item:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--border-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
    animation: numberCount 1s ease-out;
}

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

.about-image {
    position: relative;
    height: 100%;
    display: flex;
    align-items: stretch;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    position: relative;
    overflow: hidden;
}

.factory-image-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    height: 100%;
    min-height: 500px;
}

.factory-image-main {
    width: 100%;
    flex: 1;
    min-height: 0;
}

.factory-img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
    cursor: pointer;
}

.factory-img:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-xl);
    filter: brightness(1.05);
}

.factory-image-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    flex-shrink: 0;
}

.factory-image-item {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    min-height: 0;
}

.factory-img-small {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.factory-img-small::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(43, 43, 43, 0);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    border-radius: 8px;
}

.factory-img-small:hover {
    transform: scale(1.15) translateY(-4px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

.factory-img-small:hover::before {
    background: rgba(43, 43, 43, 0.1);
}

/* 产品中心 */
.products {
    background: var(--bg-white);
    padding: 6rem 0;
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, var(--bg-light), var(--bg-white));
    z-index: 0;
}

.products .container {
    position: relative;
    z-index: 1;
}

.product-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.category-btn {
    background: var(--bg-white);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.05);
}

.category-btn:hover {
    background: var(--gradient-accent);
    color: var(--text-white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-pink);
}

.category-btn {
    padding: 0.875rem 1.75rem;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-dark);
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.category-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.category-btn.active {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

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

@media (max-width: 1400px) {
    .products-grid-luxury {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .products-grid-luxury {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .certification-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .products-grid-luxury {
        grid-template-columns: 1fr;
    }
}

/* Luxury Product Card */
.product-card-luxury {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.product-card-luxury:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border-color: var(--accent-gold);
}

/* Product Image Gallery */
.product-image-gallery {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    background: var(--bg-gray-light);
    overflow: hidden;
    border-radius: 12px 12px 0 0;
}

.product-image-main {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.product-image-main:hover {
    transform: scale(1.02);
}

.product-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card-luxury:hover .product-main-img {
    transform: scale(1.08);
}

.image-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    opacity: 0;
    transition: all 0.3s ease;
    cursor: pointer;
    pointer-events: none;
}

.product-card-luxury:hover .image-hover-overlay {
    background: rgba(0, 0, 0, 0.2);
    opacity: 1;
}

/* Product Image Thumbnails */
.product-image-thumbnails {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px;
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card-luxury:hover .product-image-thumbnails {
    opacity: 1;
}

.product-image-thumbnails .thumbnail {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.product-image-thumbnails .thumbnail:hover {
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.product-image-thumbnails .thumbnail.active {
    border-color: var(--primary-color);
}

/* Product Content Luxury */
.product-content-luxury {
    padding: 1.75rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-height: 150px;
    justify-content: space-between;
}

.product-content-luxury h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
}

.product-title-editable {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
    outline: none;
    transition: all 0.3s ease;
    min-height: 1.5rem;
}

.product-title-editable:focus {
    background: rgba(212, 175, 55, 0.05);
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    margin: -0.25rem -0.5rem;
}

.product-subtitle-editable {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
    min-height: 2.5rem;
    outline: none;
    transition: all 0.3s ease;
    flex: 1;
}

.product-subtitle-editable:focus {
    background: rgba(212, 175, 55, 0.05);
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    margin: -0.25rem -0.5rem;
}

.product-content-luxury .product-description {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
    min-height: 2.5rem;
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: translate(-50%, -50%) scale(0.8); }
    to { transform: translate(-50%, -50%) scale(1); }
}

.modal-close {
    position: absolute;
    top: 30px;
    right: 45px;
    color: var(--text-white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--text-white);
    opacity: 0.8;
}

.modal-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 10001;
}

.modal-prev,
.modal-next {
    background: rgba(43, 43, 43, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    font-size: 1.75rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-prev:hover,
.modal-next:hover {
    background: rgba(43, 43, 43, 0.8);
    border-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.05);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    padding: 2rem 0;
}

.pagination button {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    padding: 0.75rem 1.25rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.pagination button:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.pagination button.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.product-card.hidden {
    display: none;
}

.product-card {
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gold);
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

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

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--border-color);
}

.product-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--bg-gray-light);
    position: relative;
    flex-shrink: 0;
}

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover .product-image::after {
    opacity: 1;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: block;
    background: var(--bg-gray-light);
}

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

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.product-card:hover .product-image::after {
    opacity: 1;
}

.product-card:hover .product-img {
    transform: scale(1.03);
    filter: brightness(1.02);
}

.product-content {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.3;
}

.product-description {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 1.25rem;
    flex: 1;
}

.product-features {
    margin-bottom: 1.5rem;
    flex-shrink: 0;
}

.product-features li {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 0.4rem;
}

.product-content h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.product-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.product-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.5px;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* 工厂展示 */
.factory-showcase {
    background: var(--bg-white);
    padding: 6rem 0;
    position: relative;
}

.factory-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, var(--bg-light), var(--bg-white));
    z-index: 0;
}

.factory-showcase .container {
    position: relative;
    z-index: 1;
}

.factory-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.factory-text h3 {
    font-size: 1.875rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.factory-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.factory-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.factory-features li {
    color: var(--text-light);
    font-size: 0.95rem;
    padding-left: 0.5rem;
}

.factory-visual {
    position: relative;
}

.factory-main-image {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.factory-large-img {
    height: 450px;
    background: var(--bg-gray-light);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.factory-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(43, 43, 43, 0.6) 0%, rgba(43, 43, 43, 0.4) 100%);
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.factory-large-img:hover .factory-image-overlay {
    background: linear-gradient(135deg, rgba(43, 43, 43, 0.7) 0%, rgba(43, 43, 43, 0.5) 100%);
}

.factory-image-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-white);
    padding: 2rem;
}

.factory-image-content span {
    display: block;
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.factory-image-content .image-caption {
    font-size: 1rem;
    opacity: 0.95;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
    line-height: 1.6;
}

.factory-large-img:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* 公司实力 */
.strength {
    background: var(--bg-white);
    padding: 6rem 0;
}

/* 认证展示 */
.certification {
    background: var(--bg-light);
    padding: 6rem 0;
    position: relative;
}

.certification-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.cert-item {
    text-align: center;
    padding: 0;
    background: var(--bg-white);
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 0.707; /* A4纸比例 (1:1.414) */
}

.cert-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(43, 43, 43, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.cert-item:hover::before {
    opacity: 1;
}

.cert-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--accent-gold);
}

.cert-image-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-gray-light);
    padding: 1rem;
}

.cert-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.cert-item:hover .cert-image {
    transform: scale(1.02);
}

/* 客户评价 */
.testimonials {
    background: var(--bg-white);
    padding: 6rem 0;
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

.testimonial-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 0.75rem;
    left: 1.25rem;
    font-size: 3.5rem;
    color: var(--accent-gold);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-color);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-content {
    margin-bottom: 1.75rem;
    flex: 1 1 auto;
    min-height: 150px;
    display: flex;
    align-items: flex-start;
}

.testimonial-text {
    color: var(--text-light);
    line-height: 1.75;
    font-style: italic;
    font-size: 0.95rem;
    width: 100%;
    letter-spacing: 0.01em;
}

/* 突出显示关键词样式 */
.testimonial-text strong,
.testimonial-text .highlight {
    color: var(--primary-color);
    font-weight: 600;
    font-style: normal;
}

.testimonial-text .highlight-gold {
    color: var(--accent-gold);
    font-weight: 600;
    font-style: normal;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-top: auto;
    flex-shrink: 0;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
    border: 2px solid var(--border-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-gray-light);
}

.author-avatar:hover {
    transform: scale(1.1);
    border-color: var(--accent-gold);
    box-shadow: 0 4px 12px rgba(184, 169, 138, 0.3);
}

.author-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.author-info h4 {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
    color: var(--text-dark);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
}

.author-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.strength-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.strength-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-white);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
}

.strength-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    padding: 1px;
    background: var(--accent-gold);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.strength-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.strength-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.strength-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.strength-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* 团队介绍 */
.team {
    background: var(--bg-white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.team-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.team-avatar {
    margin-bottom: 1rem;
}

.avatar-placeholder {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
}

.team-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.team-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-bio {
    color: var(--text-light);
    line-height: 1.7;
}

/* 联系我们 */
.contact {
    background: var(--bg-white);
    padding: 6rem 0;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, var(--bg-light), var(--bg-white));
    z-index: 0;
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-elegant);
    border: 2px solid rgba(212, 175, 55, 0.15);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gold);
    z-index: 1;
}

.info-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.info-icon {
    min-width: 48px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(245, 241, 232, 0.6) 0%, rgba(255, 255, 255, 0.8) 100%);
    border-radius: 12px;
    color: var(--primary-color);
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.info-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.info-item:hover .info-icon {
    background: linear-gradient(135deg, var(--accent-gold) 0%, rgba(212, 175, 55, 0.9) 100%);
    color: var(--bg-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.info-text h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.info-text p {
    color: var(--text-light);
}

.contact-form {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-elegant);
    border: 2px solid rgba(212, 175, 55, 0.15);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gold);
    z-index: 1;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-white);
    color: var(--text-dark);
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(43, 43, 43, 0.08), 0 2px 8px rgba(43, 43, 43, 0.06);
    transform: translateY(-1px);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
}

/* 页脚 */
.footer {
    background: #2E3032;
    color: white;
    padding: 5rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(184, 169, 138, 0.06) 0%, transparent 50%);
    z-index: 0;
}

.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(212, 175, 55, 0.3), transparent);
    z-index: 1;
}

.footer .container {
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr 1.5fr;
    gap: 4rem;
    margin-bottom: 3rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

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

.footer-section:first-child {
    max-width: 400px;
}

.footer-logo-wrapper {
    margin-bottom: 1.5rem;
}

.footer-logo {
    height: 60px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: all 0.3s ease;
}

.footer-logo:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.footer-section h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: 1rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent-gold);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
    letter-spacing: -0.01em;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-gold);
    opacity: 0.6;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    font-size: 0.95rem;
    margin: 0;
}

.footer-description {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.02em;
    margin: 0;
    text-transform: uppercase;
}

.footer-highlight {
    color: var(--accent-gold);
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0.01em;
    margin: 0;
}

.footer-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: 0.01em;
    margin: 0;
    font-style: italic;
}

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

.footer-section ul li {
    margin-bottom: 0.875rem;
}

.footer-section ul li:last-child {
    margin-bottom: 0;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
    display: inline-block;
    position: relative;
    padding-left: 0;
}

.footer-section a::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 1px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}

.footer-section a:hover {
    color: white;
    padding-left: 12px;
}

.footer-section a:hover::before {
    width: 8px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.9);
}

.social-links a svg {
    width: 24px;
    height: 24px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 16px rgba(255, 255, 255, 0.3);
    color: white;
}

.social-links a:hover svg {
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.6;
    position: relative;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--accent-gold), transparent);
    opacity: 0.5;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 产品分类页面样式 - 紧凑 Sub-header，仅修改此灰色 Banner 区域 */
.product-category-hero {
    background: linear-gradient(180deg, #2e2e2e 0%, #2B2B2B 50%, #262626 100%);
    padding: 1.25rem 0;
    margin-top: 70px;
    color: white;
    position: relative;
    overflow: hidden;
}

.product-category-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(ellipse 80% 50% at 20% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 85% 20%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
    z-index: 0;
    pointer-events: none;
}

.category-hero-content {
    position: relative;
    z-index: 1;
    padding-left: 0.25rem;
}

.category-breadcrumb {
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
}

.category-breadcrumb a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.25s ease;
}

.category-breadcrumb a:hover {
    color: rgba(255, 255, 255, 0.85);
}

.category-breadcrumb span {
    color: rgba(255, 255, 255, 0.35);
    margin: 0 0.35rem;
}

.category-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
    color: white;
}

.category-description {
    font-size: 0.875rem;
    opacity: 0.85;
    line-height: 1.4;
    max-width: 640px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-category-section {
    padding: 4rem 0;
    background: var(--bg-light);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0;
        margin: 0;
        margin-left: 1rem;
    }

    .dropdown-menu a {
        padding: 0.5rem 0;
        color: var(--text-light);
    }

    .dropdown-arrow {
        display: none;
    }

    .category-title {
        font-size: 1.375rem;
    }

    .category-description {
        font-size: 0.8125rem;
        white-space: normal;
        max-height: 2.8em;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }

    .factory-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .factory-large-img {
        height: 300px;
    }

    .factory-image-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-content,
    .carousel-content {
        text-align: center;
        max-width: 100%;
    }

    .hero-badge,
    .carousel-badge {
        font-size: 0.75rem;
        padding: 0.625rem 1.5rem;
        margin-bottom: 2rem;
        letter-spacing: 0.15em;
    }

    .hero-title,
    .carousel-title {
        font-size: 3rem;
        line-height: 1.15;
        margin-bottom: 2rem;
    }

    .hero-subtitle,
    .carousel-subtitle {
        font-size: 1.125rem;
        margin-bottom: 2.5rem;
        line-height: 1.65;
        max-width: 90%;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .carousel-prev {
        left: 1rem;
    }

    .carousel-next {
        right: 1rem;
    }

    .carousel-indicators {
        bottom: 1.5rem;
    }

    .hero-features {
        justify-content: center;
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .hero-feature-item {
        font-size: 0.875rem;
    }

    .section-title {
        font-size: 2rem;
        line-height: 1.2;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info,
    .contact-form {
        padding: 2.5rem 2rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
    
    .footer-section:first-child {
        max-width: 100%;
        grid-column: 1 / -1;
    }
    
    .footer {
        padding: 4rem 0 1.5rem;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .strength-grid,
    .certification-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-card {
        max-width: 100%;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-section:first-child {
        grid-column: 1;
    }
    
    .footer-section h3 {
        font-size: 1.5rem;
    }
    
    .footer-section h4 {
        font-size: 1rem;
    }
    
    .footer {
        padding: 3.5rem 0 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title,
    .carousel-content {
        padding: 2.5rem 0;
        max-width: 100%;
    }

    .carousel-badge {
        font-size: 0.7rem;
        padding: 0.5rem 1.25rem;
        margin-bottom: 1.5rem;
    }

    .carousel-title {
        font-size: 2.25rem;
        line-height: 1.2;
        margin-bottom: 1.75rem;
    }

    .carousel-title::after {
        width: 80px;
        height: 3px;
        bottom: -15px;
    }

    .hero-subtitle,
    .carousel-subtitle {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 2rem;
        max-width: 100%;
    }

    .carousel-buttons {
        gap: 1rem;
    }

    .carousel-btn {
        width: 35px;
        height: 35px;
    }

    .carousel-prev {
        left: 0.5rem;
    }

    .carousel-next {
        right: 0.5rem;
    }

    .carousel-indicators {
        bottom: 1rem;
        gap: 0.5rem;
    }

    .carousel-indicator {
        width: 8px;
        height: 8px;
    }

    .carousel-indicator.active {
        width: 24px;
    }

    .hero-features {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    section {
        padding: 3rem 0;
    }
}