/*
 * BOUGERMAN (宝格曼) - Premium CSS Style System
 * Aesthetic: Ultra-Premium Organic Minimalist (Espresso, Warm Sand, Champagne Gold)
 */

/* ==========================================================================
   1. Theme Custom Variables & Tokens
   ========================================================================== */
:root {
    /* Color Palette */
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F9F7F5;          /* Warm Linen Sand */
    --color-bg-console: #FAF9F8;            /* Primer Light Gray */
    --color-text-primary: #1E1611;          /* Espresso Black */
    --color-text-secondary: #655A52;        /* Muted Warm Charcoal */
    --color-accent: #C5A880;                /* Champagne Gold */
    --color-accent-hover: #B4966E;
    
    /* Semantic Status Colors (Open-Design Badges) */
    --color-success-bg: #E8F5E9;
    --color-success-text: #2E7D32;
    --color-primary-bg: #E3F2FD;
    --color-primary-text: #1565C0;
    --color-warning-bg: #FFF8E1;
    --color-warning-text: #F57F17;
    
    /* Borders & Lines */
    --border-color-light: #E5DFD9;          /* Calm Linen Border */
    --border-color-dark: #2A1E17;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Typography Stacks */
    --font-serif: "Cormorant Garamond", "Playfair Display", "Georgia", "SimSun", serif;
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    /* Transitions & Dynamics */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    /* Spacing Units */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 48px;
    --space-xxl: 80px;
    
    /* Depth Shadows */
    --shadow-subtle: 0 4px 20px rgba(30, 22, 17, 0.03);
    --shadow-premium: 0 20px 40px rgba(30, 22, 17, 0.06);
    --shadow-console: 0 1px 3px rgba(30, 22, 17, 0.05);

    /* Dynamic Luxury Header & Menu Variables */
    --color-header-bg: rgba(255, 255, 255, 0.75);
    --color-header-bg-scrolled: rgba(255, 255, 255, 0.92);
    --color-header-border: rgba(229, 223, 217, 0.5);
    --color-mobile-menu-bg: rgba(255, 255, 255, 0.95);
    --color-card-bg: #FFFFFF;
    --color-modal-bg: #FFFFFF;
    --color-input-bg: #FFFFFF;
    --color-input-border: #E5DFD9;
}

/* ==========================================================================
   1.1 Luxury Native Dark Theme Overrides
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg-primary: #120D0A;          /* 极深纯粹黑茶 */
        --color-bg-secondary: #1C1510;        /* 丝缎暖炭黑 */
        --color-bg-console: #18120E;          /* 深舱调色 */
        --color-text-primary: #F5EFEB;        /* 象牙柔丝白 */
        --color-text-secondary: #A3968F;      /* 磨砂温暖砂灰 */
        --color-accent: #E5C396;              /* 高荧光香槟金 */
        --color-accent-hover: #F2D2A7;
        
        --border-color-light: #2E251F;        /* 微弱编织黑褐界限 */
        --border-color-dark: #F5EFEB;
        
        --color-header-bg: rgba(18, 13, 10, 0.75);
        --color-header-bg-scrolled: rgba(18, 13, 10, 0.92);
        --color-header-border: rgba(46, 37, 31, 0.5);
        --color-mobile-menu-bg: rgba(18, 13, 10, 0.96);
        --color-card-bg: #1C1510;
        --color-modal-bg: #1C1510;
        --color-input-bg: #18120E;
        --color-input-border: #2E251F;
        
        --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.45);
        --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.55);
        --shadow-console: 0 1px 3px rgba(0, 0, 0, 0.35);
    }
    
    body {
        background-color: var(--color-bg-primary);
        color: var(--color-text-primary);
    }
    
    .main-header {
        border-bottom-color: var(--color-header-border) !important;
    }
    
    .catalog-card, 
    .tech-card, 
    .console-wrapper, 
    .partner-form-container, 
    .invoice-container, 
    .lab-card {
        background-color: var(--color-card-bg) !important;
        border-color: var(--border-color-light) !important;
    }
    
    .console-toolbar, 
    .console-tab.active, 
    .console-table td, 
    .console-footer-info, 
    .deep-tech-card,
    .modal-close,
    .modal-image-wrapper {
        background-color: var(--color-bg-secondary) !important;
        border-color: var(--border-color-light) !important;
        color: var(--color-text-primary) !important;
    }
    
    .console-table td {
        border-bottom-color: var(--border-color-light) !important;
    }
    
    .console-tab.active {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
    }
    
    .console-row:hover td {
        background-color: var(--color-bg-console) !important;
    }
    
    /* Premium High-Contrast Dark Navigation Overrides */
    .logo-txt {
        color: var(--color-accent) !important;
    }
    
    .logo-cn {
        color: var(--color-text-primary) !important;
    }
    
    .nav-item {
        color: rgba(245, 239, 235, 0.85) !important;
    }
    
    .nav-item:hover, .nav-item.active {
        color: var(--color-accent) !important;
        opacity: 1 !important;
    }
    
    .nav-burger span {
        display: block !important;
        width: 22px !important;
        height: 2px !important;
        background-color: var(--color-text-primary) !important;
    }

    
    .nav-action-btn {
        border-color: var(--color-accent) !important;
        color: var(--color-accent) !important;
    }
    
    .nav-action-btn:hover {
        background-color: var(--color-accent) !important;
        color: #120D0A !important;
    }

    /* Scrolled Header and Mobile Menu Overrides in Dark Mode */
    .main-header.header-scrolled {
        background-color: #120D0A !important; /* Solid tea black when scrolled */
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.85) !important;
        border-bottom: 1px solid rgba(229, 195, 150, 0.15) !important;
    }

    select option {
        background-color: #1C1510 !important;
        color: #F5EFEB !important;
    }

    input::placeholder, textarea::placeholder {
        color: #7A6F66 !important; /* Elegant dark sand placeholder */
    }

    input:focus, select:focus, textarea:focus {
        border-color: var(--color-accent) !important;
        box-shadow: 0 0 0 1px var(--color-accent) !important;
    }
}

/* Double-insurance high-contrast mobile rules under prefers-color-scheme: dark */
@media (prefers-color-scheme: dark) and (max-width: 768px) {
    .nav-links {
        background-color: #120D0A !important; /* Solid tea black mobile menu bg */
    }
    .nav-links .nav-item {
        color: #F5EFEB !important; /* Ivory white links */
    }
    .nav-links .nav-item:hover, 
    .nav-links .nav-item.active {
        color: var(--color-accent) !important; /* Gold accent */
    }
    .nav-burger span {
        display: block !important;
        width: 22px !important;
        height: 2px !important;
        background-color: var(--color-accent) !important; /* Gold hamburger on dark mobile */
    }

    .nav-action-btn {
        border-color: var(--color-accent) !important;
        color: var(--color-accent) !important;
    }
}


/* ==========================================================================
   2. Global Resets & Base Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    line-height: 1.62;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

/* ==========================================================================
   3. Typography & Micro-details
   ========================================================================== */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
}

p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.text-accent {
    color: var(--color-accent) !important;
}

.text-green {
    color: var(--color-success-text) !important;
}

.font-semibold {
    font-weight: 600;
}

.font-bold {
    font-weight: 700;
}

/* Section Header Styles */
.section-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-xxl) var(--space-lg);
}

.section-header-centered {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-xl) auto;
}

.section-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-accent);
    display: inline-block;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: 2.5rem;
    letter-spacing: 0.03em;
    margin-bottom: var(--space-md);
}

.section-divider {
    width: 60px;
    height: 1px;
    background-color: var(--color-accent);
    margin: 0 auto var(--space-md) auto;
}

.section-intro {
    font-size: 1.05rem;
    line-height: 1.7;
}

/* ==========================================================================
   4. Glassmorphic Navigation Bar
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--color-header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-header-border);
    transition: var(--transition-smooth);
}

/* Scroll shrink effect */
.main-header.header-scrolled {
    background-color: var(--color-header-bg-scrolled);
    box-shadow: 0 4px 30px rgba(30, 22, 17, 0.05);
    border-bottom-color: var(--color-header-border);
}

.main-header.header-scrolled .nav-container {
    padding: var(--space-sm) var(--space-lg);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth); /* Smooth padding shrink */
}

.brand-logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
    text-decoration: none;
}

.logo-txt, .logo-cn {
    transition: var(--transition-smooth);
}

.brand-logo:hover .logo-txt {
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(197, 168, 128, 0.25);
}

.brand-logo:hover .logo-cn {
    color: var(--color-text-primary);
    letter-spacing: 0.5em;
}

.logo-txt {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.18em;
}

.logo-cn {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.4em;
    color: var(--color-text-secondary);
    margin-top: 2px;
    margin-left: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-item {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-item::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.nav-item:hover::after {
    width: 100%;
    left: 0;
}

.nav-item.active {
    color: var(--color-accent) !important;
}

.nav-item.active::after {
    width: 100% !important;
    left: 0 !important;
}

.nav-action-btn {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 8px 18px;
    border: 1px solid var(--color-text-primary);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.nav-action-btn:hover {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
}

/* Burger Mobile Menu */
.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    border: none;
    background: transparent;
    padding: 0;
    flex-shrink: 0;
    -webkit-appearance: none;
    appearance: none;
}

.nav-burger span {
    width: 22px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-fast);
    display: block;
    border-radius: 1px;
}

/* ==========================================================================
   5. Luxury Hero Section
   ========================================================================== */
.hero-section {
    height: 100vh;
    min-height: 650px;
    background-color: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 var(--space-lg);
    z-index: 1;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 45%;
    height: 100%;
    background-image: url('5月日化ai图任务/美工组/5.10/抖音宝格曼/香云纱/氛围感图/氛围图1.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.75;
    z-index: -1;
    mask-image: linear-gradient(to left, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
}

.hero-content {
    max-width: 650px;
    z-index: 2;
    padding-top: var(--space-xl);
}

.hero-collab-badge {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: 4px 12px;
    border-radius: 100px;
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: 4rem;
    line-height: 1.15;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, #4A3B32 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.75;
    margin-bottom: var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
}

.btn-primary-luxury {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 15px rgba(30, 22, 17, 0.12);
    transition: var(--transition-fast);
}

.btn-primary-luxury:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(197, 168, 128, 0.35);
}

.btn-secondary-luxury {
    border: 1px solid var(--border-color-light);
    background-color: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(5px);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.btn-secondary-luxury:hover {
    background-color: var(--color-bg-secondary);
    border-color: var(--color-text-primary);
    transform: translateY(-2px);
}

.scroll-down-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-secondary);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-8px) translateX(-50%); }
    60% { transform: translateY(-4px) translateX(-50%); }
}

/* ==========================================================================
   6. Scientific Tech Highlights Section
   ========================================================================== */
.tech-section {
    background-color: var(--color-bg-primary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.tech-card {
    background-color: var(--color-bg-secondary);
    padding: var(--space-lg);
    border: 1px solid rgba(229, 223, 217, 0.4);
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-subtle);
    border-color: var(--color-accent);
}

.tech-icon-wrapper {
    width: 44px;
    height: 44px;
    background-color: var(--color-bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    box-shadow: 0 2px 8px rgba(30, 22, 17, 0.02);
}

.tech-card h3 {
    font-size: 1.3rem;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-sm);
}

.tech-card p {
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ==========================================================================
   7. Dynamic Product Catalog Section
   ========================================================================== */
.catalog-section {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--border-color-light);
    border-bottom: 1px solid var(--border-color-light);
}

.catalog-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.filter-wrapper {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-btn {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 8px 18px;
    border: 1px solid var(--border-color-light);
    background-color: var(--color-bg-primary);
    border-radius: 100px;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

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

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: var(--space-lg);
    min-height: 400px;
}

/* Product Card Styling */
.product-card {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-premium), 0 0 0 1px var(--color-accent) inset;
    border-color: var(--color-accent);
}

.product-media-wrapper {
    position: relative;
    height: 280px;
    background-color: #FFFFFF;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.product-bg-img {
    height: 90%;
    width: auto;
    object-fit: contain;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0s linear 0s;
    opacity: 1;
    visibility: visible;
}

/* Instant hide on hover for cards with ambient views to avoid double-exposure ghosting */
.product-card.has-ambient:hover .product-bg-img,
.product-card:has(.ambient-hover-view):hover .product-bg-img {
    opacity: 0 !important;
    visibility: hidden !important;
    transform: scale(0.95) !important;
    transition: opacity 0s !important, transform 0s !important, visibility 0s !important;
}

.product-card.has-ambient .product-bg-img,
.product-card:has(.ambient-hover-view) .product-bg-img {
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Scale up the primary image if there is NO ambient hover view (never goes blank) */
.product-card:not(.has-ambient):not(:has(.ambient-hover-view)):hover .product-bg-img {
    transform: scale(1.05) !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* Ambient Photo Hover Effect (Premium feature!) */
.ambient-hover-view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    z-index: 2;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(1.05);
    pointer-events: none; /* Block cursor interception */
}

.product-card:hover .ambient-hover-view {
    opacity: 1;
    transform: scale(1);
}

.product-action-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    background-color: rgba(30, 22, 17, 0.05);
    padding: 3px 8px;
    border-radius: 2px;
}

.product-content {
    padding: var(--space-lg);
    border-top: 1px solid rgba(229, 223, 217, 0.4);
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.product-id-badge {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color-light);
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
}

.product-ph {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--color-accent);
}

.product-title {
    font-size: 1.45rem;
    letter-spacing: 0.02em;
    color: var(--color-text-primary);
}

.product-eng-title {
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.product-desc {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: var(--space-md);
    height: 66px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--space-lg);
}

.card-tag {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border: 1px solid var(--border-color-light);
    padding: 1px 6px;
    border-radius: 2px;
}

.product-footer-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(229, 223, 217, 0.4);
    padding-top: var(--space-md);
}

.product-spec {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.view-cert-btn {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.view-cert-btn svg {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.view-cert-btn:hover {
    color: var(--color-accent);
}

.view-cert-btn:hover svg {
    transform: translateX(3px) scale(1.1);
}

/* ==========================================================================
   8. Quality Verification Center (Open-Design Dashboard)
   ========================================================================== */
.verification-section {
    background-color: var(--color-bg-primary);
}

.console-wrapper {
    background-color: var(--color-bg-console);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-console);
    overflow: hidden;
}

.console-toolbar {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color-light);
    background-color: #FFFFFF;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.console-status-box {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.status-dot-active {
    width: 8px;
    height: 8px;
    background-color: #2DA44E; /* Primer Green */
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px rgba(45, 164, 78, 0.5);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

.console-status-text {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.console-tabs-wrapper {
    display: flex;
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-bg-secondary);
    padding: 3px;
}

.console-tab {
    font-size: 0.78rem;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.console-tab.active {
    background-color: #FFFFFF;
    color: var(--color-text-primary);
    box-shadow: 0 1px 3px rgba(30, 22, 17, 0.05);
}

.console-badge-count {
    font-size: 0.65rem;
    font-weight: 600;
    background-color: var(--color-bg-console);
    color: var(--color-text-secondary);
    padding: 1px 6px;
    border-radius: 100px;
    border: 1px solid rgba(229, 223, 217, 0.8);
}

.console-tab.active .console-badge-count {
    background-color: var(--color-text-primary);
    color: #FFFFFF;
    border-color: var(--color-text-primary);
}

/* High-Density Data Table */
.console-table-container {
    overflow-x: auto;
    width: 100%;
}

.console-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.85rem;
}

.console-table th {
    font-weight: 500;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-console);
    padding: 10px 16px;
    font-size: 0.78rem;
    border-bottom: 1px solid var(--border-color-light);
}

.console-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color-light);
    background-color: var(--color-bg-primary);
    vertical-align: middle;
}


.console-row {
    transition: var(--transition-fast);
}

.console-row:hover td {
    background-color: var(--color-bg-secondary);
}

.doc-info-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.doc-icon {
    color: var(--color-text-secondary);
    flex-shrink: 0;
}

.doc-primary-name {
    font-weight: 500;
    color: var(--color-text-primary);
}

.doc-secondary-meta {
    font-size: 0.72rem;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.type-pill {
    font-size: 0.72rem;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color-light);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--color-text-secondary);
}

/* Clickable Copyable Cryptographic Hashes */
.hash-copy-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    background-color: var(--color-bg-console);
    border: 1px solid var(--border-color-light);
    padding: 3px 8px;
    border-radius: var(--border-radius-sm);
    position: relative;
    transition: var(--transition-fast);
}

.hash-copy-wrapper:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg-secondary);
    box-shadow: 0 0 10px rgba(197, 168, 128, 0.2);
}


.hash-copy-wrapper code {
    font-family: "Courier New", Courier, monospace;
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--color-text-secondary);
}

.copy-icon {
    color: var(--color-text-secondary);
}

.hash-copy-wrapper:hover .copy-icon {
    color: var(--color-text-primary);
}

.hash-copy-wrapper .tooltip {
    visibility: hidden;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-text-primary);
    color: #FFFFFF;
    text-align: center;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.65rem;
    z-index: 10;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s;
}

.hash-copy-wrapper:hover .tooltip {
    visibility: visible;
    opacity: 1;
}

.copy-success-tag {
    position: absolute;
    right: -55px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--color-success-text);
    color: #FFFFFF;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 2px;
    animation: popIn 0.2s ease-out;
}

@keyframes popIn {
    0% { transform: translateY(-50%) scale(0.8); opacity: 0; }
    100% { transform: translateY(-50%) scale(1); opacity: 1; }
}

/* Badges */
.badge-status {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 100px;
    display: inline-block;
}

.badge-success {
    background-color: var(--color-success-bg);
    color: var(--color-success-text);
}

.badge-primary {
    background-color: var(--color-primary-bg);
    color: var(--color-primary-text);
}

/* Row Action Buttons */
.action-btn-console {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-view {
    border: 1px solid var(--color-text-primary);
    background-color: var(--color-text-primary);
    color: #FFFFFF;
}

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

.btn-download {
    border: 1px solid var(--border-color-light);
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    margin-left: 4px;
}


.btn-download:hover {
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.empty-table-state {
    text-align: center;
    padding: var(--space-xl) !important;
    color: var(--color-text-secondary);
}

.empty-table-state svg {
    margin-bottom: var(--space-sm);
}

.console-footer-info {
    padding: 10px var(--space-lg);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--border-color-light);
    background-color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.console-footer-info code {
    background-color: var(--color-bg-secondary);
    padding: 2px 6px;
    border-radius: 2px;
    color: var(--color-text-primary);
}

/* ==========================================================================
   9. Bulk Procurement & Distributor Portal
   ========================================================================== */
.distributor-section {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--border-color-light);
}

.distributor-layout-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.distributor-info-panel .desc-para {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.qualification-box {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--border-color-light);
    padding: var(--space-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-xl);
}

.qualification-box h4 {
    font-size: 1.15rem;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.qualification-box ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.qualification-box li {
    font-size: 0.88rem;
    position: relative;
    padding-left: 18px;
    color: var(--color-text-secondary);
}

.qualification-box li::before {
    content: "•";
    position: absolute;
    left: 4px;
    color: var(--color-accent);
    font-size: 1.2rem;
    top: -2px;
}

.contract-download-area h4 {
    font-size: 1.15rem;
    margin-bottom: var(--space-md);
}

.contract-card-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contract-download-item {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-md);
    padding: 12px var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-fast);
}

.contract-download-item:hover {
    border-color: var(--color-accent);
}

.contract-icon-box {
    color: var(--color-accent);
    flex-shrink: 0;
}

.contract-meta-info {
    flex-grow: 1;
    margin-left: var(--space-md);
}

.contract-filename {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.contract-filesize {
    font-size: 0.72rem;
    color: var(--color-text-secondary);
}

.btn-contract-action {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 14px;
    border: 1px solid var(--color-text-primary);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.btn-contract-action:hover {
    background-color: var(--color-text-primary);
    color: #FFFFFF;
}

/* Dynamic Calculator Visuals */
.distributor-calc-panel {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
}

.calc-header-badge {
    background-color: var(--color-text-primary);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 12px;
    text-align: center;
}

.calc-form-container {
    padding: var(--space-xl) var(--space-lg);
}

.calc-form-container h3 {
    font-size: 1.65rem;
    margin-bottom: var(--space-xs);
}

.calc-form-sub {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.calc-field-group {
    margin-bottom: var(--space-md);
}

.calc-field-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.select-wrapper {
    position: relative;
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-bg-secondary);
    overflow: hidden;
}

.select-wrapper select {
    width: 100%;
    padding: 10px var(--space-md);
    cursor: pointer;
    font-size: 0.88rem;
}

.calc-field-group input[type="number"] {
    width: 100%;
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-sm);
    padding: 10px var(--space-md);
    background-color: var(--color-bg-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.calc-field-group input[type="number"]:focus,
.calc-field-group select:focus {
    border-color: var(--color-accent) !important;
    outline: 2px solid var(--color-accent) !important;
    outline-offset: 2px !important;
    background-color: #FFFFFF !important;
    box-shadow: var(--shadow-subtle) !important;
}

.calc-slider-hint {
    font-size: 0.72rem;
    color: var(--color-text-secondary);
    margin-top: 6px;
    font-weight: 500;
}

/* Digital Invoice Receipt */
.invoice-container {
    background-color: var(--color-bg-secondary);
    border: 1px dashed var(--border-color-light);
    padding: var(--space-md);
    border-radius: var(--border-radius-sm);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--border-color-light);
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.invoice-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    padding: 5px 0;
}

.inv-label {
    color: var(--color-text-secondary);
}

.inv-value {
    font-weight: 500;
}

.invoice-divider {
    border-top: 1px solid var(--border-color-light);
    margin: 8px 0;
}

.savings-highlight {
    background-color: rgba(45, 164, 78, 0.04);
    padding: 6px;
    border-radius: 2px;
}

.grand-total-row {
    font-size: 1rem;
    padding-top: var(--space-sm);
}

.grand-total-val {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.btn-calc-submit {
    width: 100%;
    background-color: var(--color-text-primary);
    color: #FFFFFF;
    font-weight: 500;
    letter-spacing: 0.1em;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 4px 10px rgba(30, 22, 17, 0.08);
}

.btn-calc-submit:hover {
    background-color: var(--color-accent);
}

.calc-safety-hint {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: 10px;
    line-height: 1.4;
}

/* ==========================================================================
   10. High-Fidelity Lightbox Document Modal
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 22, 17, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background-color: var(--color-modal-bg);
    width: 100%;
    max-width: 1000px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 30px 60px rgba(30, 22, 17, 0.2);
    overflow: hidden;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-container {
    transform: translateY(0) scale(1);
}

.modal-header {
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-bg-secondary);
}

.modal-header h3 {
    font-size: 1.6rem;
    color: var(--color-text-primary);
}

.modal-header p {
    font-size: 0.75rem;
    margin-top: 2px;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: #FFFFFF;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s, color 0.2s;
}

.modal-close:hover {
    background-color: var(--color-text-primary);
    color: #FFFFFF;
    transform: rotate(90deg);
}

/* Modal Split Layout */
.modal-body-layout {
    display: grid;
    grid-template-columns: 55fr 45fr;
    flex-grow: 1;
    overflow: hidden;
}

/* Left Column: Image Viewer */
.modal-viewer-col {
    padding: var(--space-lg);
    background-color: #F6F4F2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--border-color-light);
    position: relative;
    overflow: hidden;
}

.modal-image-viewport {
    width: 100%;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image-wrapper {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.modal-cert-img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 15px rgba(30, 22, 17, 0.08);
}

.zoom-helper-badge {
    position: absolute;
    bottom: var(--space-sm);
    background-color: rgba(30, 22, 17, 0.7);
    color: #FFFFFF;
    font-size: 0.65rem;
    padding: 3px 8px;
    border-radius: 100px;
    display: flex;
    align-items: center;
    gap: 3px;
    backdrop-filter: blur(2px);
}

/* Pager */
.modal-pager-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.pager-arrow-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #FFFFFF;
    border: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(30, 22, 17, 0.04);
    transition: var(--transition-fast);
}

.pager-arrow-btn:hover {
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.pager-indicator {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* Fallback Document View (When no images found, e.g. large PDF files) */
.modal-fallback-view {
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-text-secondary);
}

.modal-fallback-view h4 {
    font-size: 1.3rem;
    margin-top: var(--space-sm);
    color: var(--color-text-primary);
}

.filepath-txt {
    font-family: monospace;
    font-size: 0.75rem;
    background-color: rgba(30, 22, 17, 0.05);
    padding: 3px 8px;
    border-radius: 2px;
    display: inline-block;
    margin: var(--space-sm) 0;
}

.desc-txt {
    font-size: 0.8rem;
    margin-bottom: var(--space-md);
}

.fallback-action-btn {
    background-color: var(--color-text-primary);
    color: #FFFFFF;
    font-size: 0.75rem;
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.fallback-action-btn:hover {
    background-color: var(--color-accent);
}

/* Right Column: Metadata Detail */
.modal-metadata-col {
    padding: var(--space-xl);
    overflow-y: auto;
    max-height: 500px;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.meta-section h4 {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.meta-card-text {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-sm);
    padding: 12px;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--color-text-primary);
}

.meta-card-hash {
    background-color: var(--color-bg-console);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-sm);
    padding: 12px;
}

.meta-card-hash code {
    font-family: monospace;
    font-size: 0.78rem;
    font-weight: bold;
    color: var(--color-text-primary);
    word-break: break-all;
    display: block;
    margin-bottom: 6px;
}

.hash-explain-txt, .path-explain-txt {
    font-size: 0.68rem;
    color: var(--color-text-secondary);
}

.meta-card-path {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-sm);
    padding: 12px;
}

.folder-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.folder-path-code {
    font-family: monospace;
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--color-accent-hover);
    display: block;
    margin-bottom: 4px;
}

/* ==========================================================================
   11. Footer Section
   ========================================================================== */
.main-footer {
    background-color: var(--color-text-primary);
    color: #FAF9F8;
    border-top: 1px solid var(--border-color-dark);
    padding-top: var(--space-xl);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg) var(--space-xl) var(--space-lg);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.footer-brand-info {
    max-width: 400px;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    letter-spacing: 0.18em;
    display: block;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-copyright {
    font-size: 0.72rem;
    color: #8C8077;
    line-height: 1.6;
}

.footer-copyright code {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1px 6px;
    border-radius: 2px;
    color: #FAF9F8;
}

.footer-links-grid {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: var(--space-md);
    letter-spacing: 0.02em;
}

.footer-col a {
    display: block;
    font-size: 0.8rem;
    color: #B2A79E;
    margin-bottom: var(--space-sm);
    transition: color 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: left;
}

.footer-col a:hover {
    color: var(--color-accent);
    transform: translateX(4px);
}

/* ==========================================================================
   12. Utilities, Animations & Dynamic Feedback
   ========================================================================== */
.toast-notification {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background-color: var(--color-text-primary);
    color: #FFFFFF;
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 10px 25px rgba(30, 22, 17, 0.15);
    font-size: 0.82rem;
    font-weight: 500;
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.show {
    transform: translateY(0);
    opacity: 1;
}

.loading-spinner {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-xl);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* Dynamic Animation Utilities */
.fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-in-up {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   13. Responsive Overrides (Mobile Adaptability)
   ========================================================================== */
@media (max-width: 992px) {
    .distributor-layout-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .modal-body-layout {
        grid-template-columns: 1fr;
    }
    
    .modal-viewer-col {
        border-right: none;
        border-bottom: 1px solid var(--border-color-light);
    }
    
    .modal-metadata-col {
        max-height: 350px;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-bg-overlay {
        width: 100%;
        opacity: 0.25;
        mask-image: none;
        -webkit-mask-image: none;
    }
    
    .nav-links {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-mobile-menu-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: var(--space-xl);
        gap: var(--space-xl);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.5s;
        z-index: 990;
    }
    
    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        font-size: 1.4rem;
        letter-spacing: 0.1em;
        transform: translateY(20px);
        opacity: 0;
        transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s, color 0.3s;
    }
    
    .nav-links.active a {
        transform: translateY(0);
        opacity: 1;
    }
    
    /* Staggered slide in for mobile links */
    .nav-links.active a:nth-child(1) { transition-delay: 0.10s; }
    .nav-links.active a:nth-child(2) { transition-delay: 0.15s; }
    .nav-links.active a:nth-child(3) { transition-delay: 0.20s; }
    .nav-links.active a:nth-child(4) { transition-delay: 0.25s; }
    .nav-links.active a:nth-child(5) { transition-delay: 0.30s; }
    .nav-links.active a:nth-child(6) { transition-delay: 0.35s; }
    
    .nav-burger {
        display: flex;
        position: relative;
        z-index: 1000;
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
        flex-shrink: 0;
    }
    
    .nav-burger span {
        display: block;
        width: 22px;
        height: 2px;
        flex-shrink: 0;
    }
    
    .nav-burger.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-burger.open span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-burger.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .catalog-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .console-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .console-tabs-wrapper {
        width: 100%;
        flex-direction: column;
    }
    
    .console-tab {
        justify-content: space-between;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .btn-primary-luxury, .btn-secondary-luxury {
        text-align: center;
        width: 100%;
    }
}

/* ==========================================================================
   14. Subpage Banner & General Subpage Styles
   ========================================================================== */
.subpage-hero-banner {
    height: 45vh;
    min-height: 320px;
    background-color: var(--color-bg-secondary);
    background-image: url('5月日化ai图任务/美工组/5.10/抖音宝格曼/香云纱/氛围感图/氛围图1.webp');
    background-size: cover;
    background-position: center 30%;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    border-bottom: 1px solid var(--border-color-light);
    margin-top: 72px; /* Navigation height */
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 22, 17, 0.65);
    z-index: 1;
}

.banner-content {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    z-index: 2;
    text-align: center;
    color: #FFFFFF;
}

.banner-badge {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
    display: inline-block;
}

.banner-title {
    font-size: 3rem;
    color: #FFFFFF;
    margin-bottom: var(--space-sm);
    letter-spacing: 0.05em;
}

.banner-subtitle {
    font-size: 1rem;
    color: var(--border-color-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ==========================================================================
   15. Product Explorer & Search Toolbar
   ========================================================================== */
.products-explorer-section {
    background-color: var(--color-bg-primary);
}

.catalog-toolbar-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-lg);
    border-bottom: 1px solid rgba(229, 223, 217, 0.5);
    padding-bottom: var(--space-lg);
}

.search-box-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color-light);
    border-radius: 100px;
    background-color: var(--color-bg-secondary);
    padding: 2px 6px;
    display: flex;
    align-items: center;
    transition: var(--transition-fast);
}

.search-box-wrapper:focus-within {
    border-color: var(--color-text-primary);
    background-color: #FFFFFF;
    box-shadow: var(--shadow-subtle);
}

.search-icon {
    color: var(--color-text-secondary);
    margin-left: 12px;
    flex-shrink: 0;
}

.search-box-wrapper input {
    width: 100%;
    padding: 8px 12px;
    font-size: 0.88rem;
    color: var(--color-text-primary);
}

.search-box-wrapper input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}

/* ==========================================================================
   16. Standalone Product Detail Page (PDP)
   ========================================================================== */
.pdp-breadcrumb {
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--border-color-light);
    padding: var(--space-md) var(--space-lg);
    margin-top: 72px; /* Header height */
}

.breadcrumb-container {
    max-width: 1280px;
    margin: 0 auto;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-container a {
    transition: var(--transition-fast);
}

.breadcrumb-container a:hover {
    color: var(--color-accent);
}

.breadcrumb-container .separator {
    color: var(--border-color-light);
}

.breadcrumb-container .current-page {
    color: var(--color-text-primary);
    font-weight: 600;
}

.pdp-wrapper {
    background-color: var(--color-bg-primary);
    padding: var(--space-xl) var(--space-lg);
    min-height: calc(100vh - 200px);
}

.pdp-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: var(--space-xxl);
    align-items: start;
}

.pdp-gallery-col {
    background-color: transparent; /* No container background */
    border: none; /* Borderless design */
    border-radius: 0;
    overflow: visible; /* Prevent clipping premium floating drop shadows */
    position: relative;
    box-shadow: none; /* No card shadow */
    display: flex;
    flex-direction: column;
}

.pdp-image-viewport {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 700px; /* Grand layout height, expanded to balance the text column */
    padding: var(--space-md); /* Space to breathe and avoid drop shadow clipping */
    background: transparent; /* Seamless blend with page background */
    border-bottom: none; /* Remove harsh borders */
    position: relative;
    overflow: hidden;
}

.pdp-ambient-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.4);
    width: 75%;
    height: 75%;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(65px) opacity(0.35); /* Elegant diffuse ambient glow backdrop */
    pointer-events: none;
    z-index: 1;
    transition: background-image 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

#pdp-active-img {
    max-height: 650px; /* Immersive large image sizing, enlarged from 520px */
    max-width: 100%;
    object-fit: contain;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 15px 35px rgba(30, 22, 17, 0.06)); /* Soft premium atmospheric drop shadow */
    /* Slow, elastic transition for breathing entry */
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Immersive Hover Elevation */
.pdp-image-viewport:hover #pdp-active-img {
    transform: scale(1.05) translateY(-8px); /* Elegant weightless lift */
    filter: drop-shadow(0 25px 45px rgba(30, 22, 17, 0.12)); /* Deepened soft shadow on hover */
}

/* Luxury Breath Transition States */
.pdp-ambient-glow.fade-out {
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 0;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease-in;
}
#pdp-active-img.fade-out {
    transform: scale(0.94) translateY(10px) rotate(-1.5deg); /* Elegant contracting tilt */
    opacity: 0;
    filter: drop-shadow(0 5px 10px rgba(30, 22, 17, 0));
    /* Extremely rapid smooth fade out so it is fully hidden before the image resource swaps */
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease-in, filter 0.25s ease-in;
}

.pdp-ambient-glow.fade-in-prepare {
    transform: translate(-50%, -50%) scale(1.4);
    opacity: 0;
    transition: none !important;
}
#pdp-active-img.fade-in-prepare {
    transform: scale(1.06) translateY(-10px) rotate(1.5deg); /* Elegant expanding entry tilt state */
    opacity: 0;
    transition: none !important; /* Bypass transitions during midpoint swap */
}

/* Thumbnail Gallery Tray - Redesigned as a Premium Floating Capsule Dock */
.pdp-gallery-thumbs {
    position: relative; /* Establish relative bounds to guarantee exact child offsetLeft calculations */
    display: flex;
    justify-content: center;
    justify-content: safe center;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    background-color: rgba(244, 240, 236, 0.45); /* Warm sand semi-transparent dock tint */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(225, 219, 213, 0.6);
    border-radius: 100px; /* Floating capsule appearance */
    overflow-x: auto;
    max-width: fit-content;
    margin: var(--space-md) auto var(--space-lg) auto;
    box-shadow: 0 4px 20px rgba(30, 22, 17, 0.02);
    scrollbar-width: none; /* Hide scrollbars for ultra-clean aesthetic */
}

.pdp-gallery-thumbs::-webkit-scrollbar {
    display: none; /* Hide scrollbars on Webkit browsers */
}

.pdp-thumb {
    width: 50px;
    height: 50px;
    border-radius: 50%; /* Rounded circular thumbnail rings */
    border: 2px solid transparent;
    background-color: #FFFFFF;
    cursor: pointer;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 2px 8px rgba(30, 22, 17, 0.04);
    flex-shrink: 0;
}

.pdp-thumb:hover {
    border-color: var(--color-accent);
    transform: scale(1.08);
}

.pdp-thumb.active {
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(197, 168, 128, 0.35);
    transform: scale(1.12);
}

.pdp-thumb img {
    width: 90%; /* Slight internal margin to keep product inside the ring */
    height: 90%;
    object-fit: contain;
    border-radius: 50%;
}

/* Standalone PDP Bottom Detail Page Styling */
.pdp-detail-section {
    max-width: 1280px;
    margin: 80px auto 0 auto;
    border-top: 1px solid rgba(229, 223, 217, 0.6);
    padding-top: 60px;
}

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

.pdp-detail-header h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.pdp-detail-header p {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
}

.pdp-detail-content {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    max-width: 900px;
    margin: 0 auto;
}

.pdp-detail-long-img {
    width: 100%;
    height: auto;
    display: block;
}

.pdp-info-col {
    position: relative;
}

.pdp-info-sticky-box {
    position: sticky;
    top: 100px; /* Offset for header */
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.pdp-id-txt {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-accent);
}

.pdp-title {
    font-size: 2.2rem;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.pdp-eng-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

.pdp-meta-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-sm);
}

.pdp-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pdp-divider {
    height: 1px;
    background-color: rgba(229, 223, 217, 0.6);
    margin: var(--space-sm) 0;
}

.pdp-info-block h4 {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    border-bottom: 1px solid rgba(229, 223, 217, 0.4);
    padding-bottom: 4px;
}

.pdp-detail-txt {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--color-text-primary);
}

.pdp-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pdp-features-list li {
    font-size: 0.88rem;
    position: relative;
    padding-left: 18px;
    line-height: 1.6;
    color: var(--color-text-primary);
}

.pdp-features-list li::before {
    content: "•";
    position: absolute;
    left: 2px;
    color: var(--color-accent);
    font-size: 1.2rem;
    top: -2px;
}

.pdp-action-block {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.btn-pdp-action {
    background-color: var(--color-text-primary);
    color: #FFFFFF;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    padding: 16px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-fast);
    box-shadow: 0 4px 15px rgba(30, 22, 17, 0.1);
}

.btn-pdp-action:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(197, 168, 128, 0.35);
}

.btn-pdp-action-secondary {
    border: 1px solid var(--border-color-light);
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    padding: 14px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.btn-pdp-action-secondary:hover {
    background-color: #FFFFFF;
    border-color: var(--color-text-primary);
}

/* ==========================================================================
   17. About Subpage Timelines & Grid Layouts
   ========================================================================== */
.subpage-about {
    background-color: var(--color-bg-primary);
}

.about-split-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-xxl);
    align-items: center;
}

.narrative-text-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.narrative-heading {
    font-size: 2.6rem;
    line-height: 1.2;
    color: var(--color-text-primary);
}

.narrative-para {
    font-size: 1rem;
    line-height: 1.7;
}

.narrative-quote {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
    border-left: 2px solid var(--color-accent);
    padding-left: var(--space-lg);
    margin: var(--space-md) 0;
    font-style: italic;
    display: flex;
    flex-direction: column;
}

.quote-author {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-top: 8px;
    font-style: normal;
}

.narrative-visual-col {
    display: flex;
    justify-content: center;
}

.lab-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl) var(--space-lg);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-premium);
}

.lab-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.lab-param-row {
    display: flex;
    gap: var(--space-md);
}

.lab-param-item {
    flex: 1;
    background-color: #FFFFFF;
    border: 1px solid rgba(229, 223, 217, 0.6);
    padding: var(--space-md) var(--space-sm);
    border-radius: var(--border-radius-md);
    text-align: center;
    box-shadow: var(--shadow-console);
}

.param-num {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    color: var(--color-accent);
    display: block;
    line-height: 1;
    margin-bottom: 4px;
}

.param-label {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    display: block;
}

.lab-card-footer {
    font-size: 0.68rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: var(--space-lg);
    line-height: 1.4;
}

.about-tech-deep {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--border-color-light);
    border-bottom: 1px solid var(--border-color-light);
}

.deep-tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.deep-tech-card {
    background-color: #FFFFFF;
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-console);
    position: relative;
}

.tech-num {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-family: var(--font-serif);
    font-size: 2.2rem;
    color: rgba(197, 168, 128, 0.15);
    font-weight: bold;
    line-height: 1;
}

.deep-tech-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
    max-width: 80%;
}

.tech-desc {
    font-size: 0.88rem;
    line-height: 1.62;
    color: var(--color-text-secondary);
}

.eco-promise-section {
    background-image: url('5月日化ai图任务/美工组/5.10/抖音宝格曼/真丝/氛围感图/氛围图2.webp');
    background-size: cover;
    background-position: center;
    padding: var(--space-xxl) 0;
    position: relative;
    border-bottom: 1px solid var(--border-color-light);
}

.eco-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 22, 17, 0.7);
    z-index: 1;
}

.eco-content-box {
    max-width: 720px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-premium);
}

.eco-content-box h2 {
    font-size: 2.2rem;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.eco-content-box p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    color: var(--color-text-primary);
}

.eco-footer-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ==========================================================================
   18. Partner Portal Styles & Registration Form
   ========================================================================== */
.partner-form-section {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--border-color-light);
}

.partner-form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl) var(--space-lg);
    box-shadow: var(--shadow-subtle);
}

.partner-form-container h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: var(--space-xs);
}

.section-sub {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-xl) auto;
    line-height: 1.6;
}

.partner-apply-form {
    display: flex;
    flex-direction: column;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-field-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-field-group label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

.form-field-group input, .form-field-group select, .form-field-group textarea {
    border: 1px solid var(--color-input-border);
    border-radius: var(--border-radius-sm);
    padding: 10px var(--space-md);
    background-color: var(--color-input-bg);
    font-size: 0.88rem;
    transition: var(--transition-fast);
}

.form-field-group input:focus, .form-field-group select:focus, .form-field-group textarea:focus {
    border-color: var(--color-accent) !important;
    outline: 2px solid var(--color-accent) !important;
    outline-offset: 2px !important;
    box-shadow: var(--shadow-subtle) !important;
}

.form-field-group input::placeholder, .form-field-group textarea::placeholder {
    color: #A0968E;
    opacity: 0.8;
}

.form-checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: var(--space-md) 0 var(--space-lg) 0;
}

.form-checkbox-row input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
}

.form-checkbox-row label {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
    cursor: pointer;
}

.btn-form-submit {
    align-self: center;
    background-color: var(--color-text-primary);
    color: #FFFFFF;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    padding: 14px 48px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(30, 22, 17, 0.1);
    transition: var(--transition-fast);
}

.btn-form-submit:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

/* ==========================================================================
   19. Subpage Responsive Adaptability Overrides
   ========================================================================== */
@media (max-width: 768px) {
    .about-split-layout {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .narrative-heading {
        font-size: 2rem;
    }
    
    .eco-content-box h2 {
        font-size: 1.8rem;
    }
    
    .eco-content-box {
        padding: var(--space-lg);
    }
    
    .banner-title {
        font-size: 2.2rem;
    }
    
    .subpage-hero-banner {
        height: 35vh;
        min-height: 260px;
    }
    
    .pdp-wrapper {
        padding: var(--space-lg) var(--space-md);
    }
    
    .pdp-container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        width: 100%;
        overflow-x: hidden;
    }
    
    .pdp-gallery-col {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .pdp-image-viewport {
        min-height: 320px;
        max-height: 400px;
        padding: 0;
        margin-bottom: var(--space-sm);
        width: 100%;
        box-sizing: border-box;
    }
    
    #pdp-active-img {
        max-height: 320px;
        width: auto;
        max-width: 90%;
    }
    
    .pdp-gallery-thumbs {
        max-width: 100% !important;
        width: 100%;
        box-sizing: border-box;
        padding: 8px 16px;
        gap: 8px;
        border-radius: 50px;
        overflow-x: auto;
        white-space: nowrap;
        margin: var(--space-sm) auto var(--space-md) auto;
        -webkit-overflow-scrolling: touch; /* Butter-smooth iOS inertia scrolling */
        justify-content: flex-start !important; /* Fix horizontal left cutoff scroll bug on mobile */
    }
    
    .pdp-thumb {
        width: 42px;
        height: 42px;
        flex-shrink: 0;
    }

    .pdp-info-sticky-box {
        position: relative;
        top: 0;
    }
    
    .pdp-title {
        font-size: 1.8rem;
    }

    .pdp-detail-section {
        margin-top: 32px;
        padding-top: 24px;
        margin-left: calc(-1 * var(--space-md)) !important;
        margin-right: calc(-1 * var(--space-md)) !important;
    }

    .pdp-detail-content {
        border-radius: 0;
        border-left: none;
        border-right: none;
        box-shadow: none;
        max-width: 100%;
        width: 100vw !important;
    }

    .pdp-detail-long-img {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
    }
    
    .catalog-toolbar-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box-wrapper {
        max-width: 100%;
    }
    
    /* Additional Mobile Polishing overrides */
    .logo-txt {
        font-size: 1.25rem !important;
        letter-spacing: 0.12em !important;
    }
    
    .logo-cn {
        font-size: 0.55rem !important;
        letter-spacing: 0.25em !important;
        margin-left: 1px !important;
    }
    
    .nav-container {
        padding: 10px 16px !important;
    }
    
    .breadcrumb-container {
        flex-wrap: wrap !important;
        gap: 6px;
    }
    
    .pdp-meta-row {
        flex-wrap: wrap !important;
        gap: var(--space-sm) var(--space-md) !important;
        justify-content: flex-start !important;
    }
    
    .pdp-tags {
        flex-wrap: wrap !important;
        gap: 6px !important;
    }
}

/* ==========================================================================
   20. Premium Site-Wide Scroll-Reveal Animations
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered Delay Utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* Enhanced hovers for luxury buttons & interactive elements */
.btn-primary-luxury, .btn-secondary-luxury {
    will-change: transform, letter-spacing, background-color;
    transition: var(--transition-smooth);
}

.btn-primary-luxury:hover, .btn-secondary-luxury:hover {
    letter-spacing: 0.15em !important;
}

/* ==========================================================================
   21. Premium Contract Preview Modal Styling
   ========================================================================== */
.contract-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 13, 10, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
}

.contract-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.contract-modal-container {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color-light);
    width: 100%;
    max-width: 850px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: translateY(30px) scale(0.97);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.contract-modal-overlay.active .contract-modal-container {
    transform: translateY(0) scale(1);
}

.contract-modal-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-bg-secondary);
}

.contract-modal-header h3 {
    font-size: 1.2rem;
    font-family: var(--font-serif);
    color: var(--color-text-primary);
    font-weight: 500;
}

.contract-modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: var(--color-bg-primary);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s, color 0.2s;
}

.contract-modal-close:hover {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    transform: rotate(90deg);
}

.contract-modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    background-color: #FAF8F6;
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

/* Luxury Paper Simulation */
.contract-paper {
    background-color: #FFFFFF;
    background-image: radial-gradient(rgba(197, 168, 128, 0.05) 1px, transparent 0),
                      radial-gradient(rgba(197, 168, 128, 0.05) 1px, transparent 0);
    background-size: 8px 8px;
    background-position: 0 0, 4px 4px;
    border: 1px solid #E5DFD9;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 8px 24px rgba(30, 22, 17, 0.04);
    padding: var(--space-xl) var(--space-lg);
    width: 100%;
    max-width: 720px;
    min-height: 800px;
    box-sizing: border-box;
    font-family: "Georgia", "Times New Roman", "SimSun", serif;
    color: #2E221B;
    line-height: 1.8;
    position: relative;
}

/* Paper Monogram Stamp */
.contract-paper::before {
    content: "B";
    position: absolute;
    top: 5%;
    right: 8%;
    font-family: var(--font-serif);
    font-size: 5rem;
    font-weight: 300;
    color: rgba(197, 168, 128, 0.08);
    border: 3px double rgba(197, 168, 128, 0.08);
    border-radius: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.contract-paper h1 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: var(--space-xl);
    color: #1E1611;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.contract-section-title {
    font-weight: bold;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-xs);
    color: #1E1611;
    font-family: var(--font-serif);
    font-size: 1.05rem;
    border-bottom: 1px solid #E5DFD9;
    padding-bottom: 4px;
}

.contract-text-row {
    margin-bottom: var(--space-sm);
    text-indent: 2em;
    font-size: 0.9rem;
    text-align: justify;
}

.contract-meta-block {
    margin-top: var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    border-top: 1px dashed #E5DFD9;
    padding-top: var(--space-lg);
    font-size: 0.85rem;
}

.contract-seal {
    position: relative;
    height: 60px;
}

.contract-seal::after {
    content: "宝格曼官方专用印鉴";
    position: absolute;
    top: 50%;
    left: 20%;
    transform: translate(-50%, -50%) rotate(-12deg);
    border: 2px dashed rgba(220, 53, 69, 0.35);
    color: rgba(220, 53, 69, 0.35);
    font-size: 0.65rem;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-weight: bold;
}

.contract-modal-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-color-light);
    background-color: var(--color-bg-secondary);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

.btn-contract-modal {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-contract-modal-primary {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    border: 1px solid var(--color-text-primary);
}

.btn-contract-modal-primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #1E1611;
}

.btn-contract-modal-secondary {
    border: 1px solid var(--border-color-light);
    color: var(--color-text-primary);
    background-color: transparent;
}

.btn-contract-modal-secondary:hover {
    background-color: var(--color-bg-console);
}

/* Preferences Theme Adapters for Contract Paper */
@media (prefers-color-scheme: dark) {
    .contract-modal-body {
        background-color: #120D0A !important;
    }
    
    .contract-paper {
        background-color: #1C1510 !important;
        background-image: radial-gradient(rgba(197, 168, 128, 0.03) 1px, transparent 0),
                          radial-gradient(rgba(197, 168, 128, 0.03) 1px, transparent 0) !important;
        border-color: #2E251F !important;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3) !important;
        color: #FAF8F6 !important;
    }
    
    .contract-paper h1, .contract-section-title {
        color: var(--color-accent) !important;
        border-bottom-color: #2E251F !important;
    }
    
    .contract-meta-block {
        border-top-color: #2E251F !important;
    }
    
    .contract-paper::before {
        color: rgba(197, 168, 128, 0.04) !important;
        border-color: rgba(197, 168, 128, 0.04) !important;
    }
    
    .contract-seal::after {
        border-color: rgba(220, 53, 69, 0.5) !important;
        color: rgba(220, 53, 69, 0.5) !important;
    }
}

/* ==========================================================================
   20. Premium Site-Wide Scroll-Reveal Animations
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered Delay Utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* Enhanced hovers for luxury buttons & interactive elements */
.btn-primary-luxury, .btn-secondary-luxury {
    will-change: transform, letter-spacing, background-color;
    transition: var(--transition-smooth);
}

.btn-primary-luxury:hover, .btn-secondary-luxury:hover {
    letter-spacing: 0.15em !important;
}

/* ==========================================================================
   Luxury Partnership Direct Contact & B2B Grid
   ========================================================================== */
.partner-layout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 992px) {
    .partner-layout-grid {
        grid-template-columns: 1.6fr 1fr;
        align-items: start;
    }
}

.partner-direct-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl) var(--space-lg);
    box-shadow: var(--shadow-subtle);
    display: flex;
    flex-direction: column;
}

.partner-direct-card h3 {
    font-size: 1.6rem;
    font-family: var(--font-serif);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.03em;
}

.direct-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.contact-methods-box {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-method-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.contact-method-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-subtle);
}

.method-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

.method-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.method-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

.method-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
}

.method-value:hover {
    color: var(--color-accent);
}

.wechat-qr-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.wechat-qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background-color: var(--color-bg-primary);
    border: 1px dashed var(--border-color-light);
    border-radius: var(--border-radius-md);
    width: 100%;
    max-width: 220px;
    text-align: center;
}

.wechat-qr-placeholder span {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.qr-svg {
    color: var(--color-accent);
    opacity: 0.8;
}

.brand-auth-seal {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    border-top: 1px solid var(--border-color-light);
    padding-top: var(--space-md);
    font-size: 0.78rem;
    color: var(--color-accent);
    font-weight: bold;
    letter-spacing: 0.05em;
}

@media (prefers-color-scheme: dark) {
    .partner-direct-card {
        background-color: var(--color-card-bg) !important;
    }
    .contact-method-item {
        background-color: var(--color-bg-console) !important;
    }
    .wechat-qr-placeholder {
        background-color: var(--color-bg-console) !important;
    }
}