/**
 * 仁工志能科技主题 - 主样式文件
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    --background: #0f172a;
    --background-light: #1e293b;
    --foreground: #f8fafc;
    --foreground-muted: #94a3b8;
    
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #8b5cf6;
    --secondary-dark: #7c3aed;
    --accent: #06b6d4;
    
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    
    --border-color: rgba(255, 255, 255, 0.1);
    --card-bg: rgba(255, 255, 255, 0.03);
    
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --shadow-glow-blue: 0 0 40px rgba(59, 130, 246, 0.3);
    --shadow-glow-purple: 0 0 40px rgba(139, 92, 246, 0.3);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

/* ========================================
   Typography
   ======================================== */
.text-gradient {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Navigation
   ======================================== */
.rgzn-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.rgzn-nav.scrolled {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.rgzn-nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.rgzn-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
}

.rgzn-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.rgzn-logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.rgzn-logo-text {
    display: flex;
    flex-direction: column;
}

.rgzn-logo-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--foreground);
    line-height: 1.2;
}

.rgzn-logo-subtitle {
    font-size: 0.625rem;
    color: var(--foreground-muted);
    letter-spacing: 0.05em;
    line-height: 1;
}

/* Desktop Menu */
.rgzn-menu {
    display: none;
    list-style: none;
    gap: 0.25rem;
}

@media (min-width: 768px) {
    .rgzn-menu {
        display: flex;
    }
}

.rgzn-menu a {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--foreground-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.rgzn-menu a:hover,
.rgzn-menu .current-menu-item a {
    color: var(--foreground);
    background: rgba(255, 255, 255, 0.05);
}

/* Nav Buttons */
.rgzn-nav-buttons {
    display: none;
    align-items: center;
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .rgzn-nav-buttons {
        display: flex;
    }
}

/* Mobile Toggle */
.rgzn-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: var(--radius-md);
    color: var(--foreground-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rgzn-mobile-toggle:hover {
    color: var(--foreground);
    background: rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .rgzn-mobile-toggle {
        display: none;
    }
}

.rgzn-icon-close {
    display: none;
}

.rgzn-mobile-toggle.active .rgzn-icon-menu {
    display: none;
}

.rgzn-mobile-toggle.active .rgzn-icon-close {
    display: block;
}

/* Mobile Menu */
.rgzn-mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
}

.rgzn-mobile-menu.active {
    display: block;
}

.rgzn-mobile-menu-list {
    list-style: none;
}

.rgzn-mobile-menu-list a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--foreground-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.rgzn-mobile-menu-list a:hover {
    color: var(--foreground);
    background: rgba(255, 255, 255, 0.05);
}

.rgzn-mobile-buttons {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.rgzn-nav-spacer {
    height: 5rem;
}

/* ========================================
   Buttons
   ======================================== */
.rgzn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.rgzn-btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.rgzn-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-blue);
}

.rgzn-btn-ghost {
    background: transparent;
    color: var(--foreground-muted);
}

.rgzn-btn-ghost:hover {
    color: var(--foreground);
}

.rgzn-btn-outline {
    background: transparent;
    color: var(--foreground-muted);
    border: 1px solid var(--border-color);
}

.rgzn-btn-outline:hover {
    color: var(--foreground);
    border-color: rgba(59, 130, 246, 0.5);
}

.rgzn-btn-full {
    flex: 1;
}

/* ========================================
   Hero Section
   ======================================== */
.rgzn-hero {
    position: relative;
    min-height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 3rem 0 0;
}

.rgzn-hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--gradient-hero);
}

.rgzn-hero-content {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem 0.5rem;
    text-align: center;
}

.rgzn-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 9999px;
    margin-bottom: 2rem;
}

.rgzn-hero-badge span {
    font-size: 0.875rem;
    color: #93c5fd;
}

.rgzn-hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.rgzn-hero-title .white {
    color: var(--foreground);
}

.rgzn-hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--foreground-muted);
    margin-bottom: 0.5rem;
}

.rgzn-hero-desc {
    font-size: 1rem;
    color: var(--foreground-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.rgzn-hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .rgzn-hero-buttons {
        flex-direction: row;
    }
}

.rgzn-hero-buttons .rgzn-btn {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.rgzn-hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .rgzn-hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.rgzn-stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.rgzn-stat-label {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

.rgzn-hero-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8rem;
    background: linear-gradient(to top, var(--background), transparent);
    z-index: 10;
}

/* ========================================
   Section Common Styles
   ======================================== */
.rgzn-section {
    position: relative;
    padding: 6rem 0;
    overflow: hidden;
}

.rgzn-section-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.rgzn-section-bg.gradient-blue {
    background: linear-gradient(to bottom, var(--background), rgba(30, 58, 138, 0.1), var(--background));
}

.rgzn-section-bg.gradient-purple {
    background: linear-gradient(to bottom, var(--background), rgba(88, 28, 135, 0.1), var(--background));
}

.rgzn-section-bg.gradient-cyan {
    background: linear-gradient(to bottom, var(--background), rgba(22, 78, 99, 0.1), var(--background));
}

.rgzn-section-container {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.rgzn-section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.rgzn-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
}

.rgzn-section-badge.blue {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.rgzn-section-badge.blue span {
    color: #93c5fd;
}

.rgzn-section-badge.purple {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.rgzn-section-badge.purple span {
    color: #c4b5fd;
}

.rgzn-section-badge.cyan {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.rgzn-section-badge.cyan span {
    color: #67e8f9;
}

.rgzn-section-title {
    font-size: clamp(1.875rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.rgzn-section-title .white {
    color: var(--foreground);
}

.rgzn-section-desc {
    font-size: 1.125rem;
    color: var(--foreground-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   About Section
   ======================================== */
.rgzn-about-grid {
    display: grid;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .rgzn-about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.rgzn-about-content {
    opacity: 0;
    transform: translateX(-3rem);
    transition: all 1s ease;
}

.rgzn-about-content.visible {
    opacity: 1;
    transform: translateX(0);
}

.rgzn-about-text {
    font-size: 1.125rem;
    color: var(--foreground-muted);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.rgzn-about-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.rgzn-about-stat {
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.rgzn-about-stat.blue {
    border-color: rgba(59, 130, 246, 0.3);
}

.rgzn-about-stat.purple {
    border-color: rgba(139, 92, 246, 0.3);
}

.rgzn-about-stat.cyan {
    border-color: rgba(6, 182, 212, 0.3);
}

.rgzn-about-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.rgzn-about-stat-value.blue { color: #60a5fa; }
.rgzn-about-stat-value.purple { color: #a78bfa; }
.rgzn-about-stat-value.cyan { color: #22d3ee; }

.rgzn-about-stat-label {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

.rgzn-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    opacity: 0;
    transform: translateX(3rem);
    transition: all 1s ease 0.3s;
}

.rgzn-features-grid.visible {
    opacity: 1;
    transform: translateX(0);
}

.rgzn-feature-card {
    padding: 1.5rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.rgzn-feature-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-glow-blue);
}

.rgzn-feature-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1rem;
    transition: transform var(--transition-normal);
}

.rgzn-feature-card:hover .rgzn-feature-icon {
    transform: scale(1.1);
}

.rgzn-feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-feature-desc {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    line-height: 1.6;
}

/* ========================================
   Services Section
   ======================================== */
.rgzn-services-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 1s ease 0.2s;
}

.rgzn-services-tabs.visible {
    opacity: 1;
    transform: translateY(0);
}

.rgzn-tab-group {
    display: inline-flex;
    padding: 0.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.rgzn-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--foreground-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rgzn-tab.active {
    color: white;
}

.rgzn-tab[data-tab="enterprise"].active {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.rgzn-tab[data-tab="personal"].active {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.rgzn-services-grid {
    display: grid;
    gap: 1.5rem;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 1s ease 0.4s;
}

.rgzn-services-grid.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 768px) {
    .rgzn-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.rgzn-service-card {
    padding: 2rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.rgzn-service-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-glow-blue);
}

.rgzn-service-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.rgzn-service-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.rgzn-service-icon.blue {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

.rgzn-service-icon.purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
}

.rgzn-service-content {
    flex: 1;
}

.rgzn-service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.75rem;
}

.rgzn-service-desc {
    font-size: 0.9375rem;
    color: var(--foreground-muted);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.rgzn-service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.rgzn-service-tag {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    border-radius: 9999px;
}

.rgzn-service-tag.blue {
    background: rgba(59, 130, 246, 0.1);
    color: #93c5fd;
}

.rgzn-service-tag.purple {
    background: rgba(139, 92, 246, 0.1);
    color: #c4b5fd;
}

.rgzn-service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.rgzn-service-link.blue {
    color: #60a5fa;
}

.rgzn-service-link.blue:hover {
    color: #93c5fd;
}

.rgzn-service-link.purple {
    color: #a78bfa;
}

.rgzn-service-link.purple:hover {
    color: #c4b5fd;
}

/* ========================================
   Cases Section
   ======================================== */
.rgzn-cases-grid {
    display: grid;
    gap: 2rem;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 1s ease 0.2s;
}

.rgzn-cases-grid.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 1024px) {
    .rgzn-cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.rgzn-case-card {
    position: relative;
    padding: 2rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.rgzn-case-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-glow-blue);
}

.rgzn-case-card.blue:hover {
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.2);
}

.rgzn-case-card.purple:hover {
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.2);
}

.rgzn-case-card.cyan:hover {
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.2);
}

.rgzn-case-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.rgzn-case-category.blue {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
}

.rgzn-case-category.purple {
    background: rgba(139, 92, 246, 0.1);
    color: #a78bfa;
}

.rgzn-case-category.cyan {
    background: rgba(6, 182, 212, 0.1);
    color: #22d3ee;
}

.rgzn-case-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 1rem;
}

.rgzn-case-desc {
    font-size: 0.9375rem;
    color: var(--foreground-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.rgzn-case-results {
    space: 0.75rem;
}

.rgzn-case-result {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: #cbd5e1;
}

.rgzn-case-result svg {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.rgzn-case-result.blue svg { color: #60a5fa; }
.rgzn-case-result.purple svg { color: #a78bfa; }
.rgzn-case-result.cyan svg { color: #22d3ee; }

.rgzn-case-glow {
    position: absolute;
    top: 0;
    right: 0;
    width: 8rem;
    height: 8rem;
    border-radius: 50%;
    filter: blur(3rem);
    opacity: 0.2;
    z-index: -1;
    transition: opacity var(--transition-normal);
}

.rgzn-case-card:hover .rgzn-case-glow {
    opacity: 0.4;
}

.rgzn-case-glow.blue { background: rgba(59, 130, 246, 0.3); }
.rgzn-case-glow.purple { background: rgba(139, 92, 246, 0.3); }
.rgzn-case-glow.cyan { background: rgba(6, 182, 212, 0.3); }

.rgzn-stats-bar {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 1s ease 0.4s;
}

.rgzn-stats-bar.visible {
    opacity: 1;
    transform: translateY(0);
}

.rgzn-stats-bar .rgzn-stat {
    text-align: center;
    padding: 0 1rem;
}

/* ========================================
   Contact Section
   ======================================== */
.rgzn-contact-grid {
    display: grid;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .rgzn-contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.rgzn-contact-info {
    opacity: 0;
    transform: translateX(-3rem);
    transition: all 1s ease 0.2s;
}

.rgzn-contact-info.visible {
    opacity: 1;
    transform: translateX(0);
}

.rgzn-contact-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rgzn-contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.rgzn-contact-item:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.rgzn-contact-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.rgzn-contact-item:hover .rgzn-contact-icon {
    transform: scale(1.1);
}

.rgzn-contact-label {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    margin-bottom: 0.25rem;
}

.rgzn-contact-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--foreground);
}

.rgzn-contact-hours {
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-lg);
}

.rgzn-contact-hours h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 1rem;
}

.rgzn-contact-hours p {
    color: var(--foreground-muted);
    margin-bottom: 0.5rem;
}

.rgzn-contact-form-wrapper {
    opacity: 0;
    transform: translateX(3rem);
    transition: all 1s ease 0.4s;
}

.rgzn-contact-form-wrapper.visible {
    opacity: 1;
    transform: translateX(0);
}

.rgzn-contact-form {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.rgzn-contact-form h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 1.5rem;
}

.rgzn-form-group {
    margin-bottom: 1rem;
}

.rgzn-form-group label {
    display: block;
    font-size: 0.875rem;
    color: var(--foreground-muted);
    margin-bottom: 0.5rem;
}

.rgzn-form-input,
.rgzn-form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    color: var(--foreground);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.rgzn-form-input:focus,
.rgzn-form-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.rgzn-form-input::placeholder,
.rgzn-form-textarea::placeholder {
    color: #64748b;
}

.rgzn-form-textarea {
    resize: none;
    min-height: 120px;
}

.rgzn-form-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: white;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.rgzn-form-submit:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-blue);
}

.rgzn-form-message {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    display: none;
}

.rgzn-form-message.success {
    display: block;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.rgzn-form-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* ========================================
   Footer
   ======================================== */
.rgzn-footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
    background: linear-gradient(to bottom, var(--background), rgba(30, 58, 138, 0.1));
}

.rgzn-footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.rgzn-footer-grid {
    display: grid;
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .rgzn-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .rgzn-footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.rgzn-footer-brand {
    max-width: 320px;
}

.rgzn-footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.rgzn-footer-desc {
    font-size: 0.9375rem;
    color: var(--foreground-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.rgzn-social-links {
    display: flex;
    gap: 0.75rem;
}

.rgzn-social-link {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--foreground-muted);
    transition: all var(--transition-fast);
}

.rgzn-social-link:hover {
    color: var(--foreground);
    border-color: rgba(59, 130, 246, 0.3);
}

.rgzn-footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 1.25rem;
}

.rgzn-footer-links ul {
    list-style: none;
}

.rgzn-footer-links li {
    margin-bottom: 0.75rem;
}

.rgzn-footer-links a {
    font-size: 0.9375rem;
    color: var(--foreground-muted);
    transition: color var(--transition-fast);
}

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

.rgzn-footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

@media (min-width: 640px) {
    .rgzn-footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.rgzn-copyright {
    font-size: 0.875rem;
    color: #64748b;
}

.rgzn-footer-legal {
    display: flex;
    gap: 1.5rem;
}

.rgzn-footer-legal a {
    font-size: 0.875rem;
    color: #64748b;
    transition: color var(--transition-fast);
}

.rgzn-footer-legal a:hover {
    color: var(--foreground);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rgzn-animate-in {
    animation: fadeInUp 0.8s ease forwards;
}

/* ========================================
   Utility Classes
   ======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   Product Matrix Section (v3.0)
   ======================================== */
.rgzn-products {
    position: relative;
    padding: 0 0 6rem;
    overflow: hidden;
}

.rgzn-products-grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .rgzn-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .rgzn-products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.rgzn-product-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.rgzn-product-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-glow-blue);
    transform: translateY(-2px);
}

.rgzn-product-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.rgzn-product-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.rgzn-product-icon-blue { background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%); }
.rgzn-product-icon-purple { background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%); }
.rgzn-product-icon-cyan { background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%); }
.rgzn-product-icon-green { background: linear-gradient(135deg, #22c55e 0%, #10b981 100%); }
.rgzn-product-icon-orange { background: linear-gradient(135deg, #f97316 0%, #eab308 100%); }
.rgzn-product-icon-pink { background: linear-gradient(135deg, #ec4899 0%, #f472b6 100%); }
.rgzn-product-icon-gold { background: linear-gradient(135deg, #eab308 0%, #f59e0b 100%); }
.rgzn-product-icon-teal { background: linear-gradient(135deg, #14b8a6 0%, #06b6d4 100%); }

.rgzn-product-status {
    padding: 0.2rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 500;
    border-radius: 9999px;
}

.rgzn-status-live {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.rgzn-status-dev {
    background: rgba(234, 179, 8, 0.1);
    color: #facc15;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.rgzn-product-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-product-desc {
    font-size: 0.9375rem;
    color: var(--foreground-muted);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.rgzn-product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.rgzn-product-tag {
    padding: 0.2rem 0.6rem;
    font-size: 0.7rem;
    background: rgba(59, 130, 246, 0.1);
    color: #93c5fd;
    border-radius: 9999px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.rgzn-product-link {
    display: inline-flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: auto;
    color: #60a5fa;
    transition: color var(--transition-fast);
}

.rgzn-product-link:hover {
    color: #93c5fd;
}

.rgzn-product-link-disabled {
    color: #64748b;
    pointer-events: none;
}

/* ========================================
   Products Extras (App + WeChat)
   ======================================== */
.rgzn-products-extras {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .rgzn-products-extras {
        grid-template-columns: 1fr 1fr;
    }
}

.rgzn-extras-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    text-align: center;
}

.rgzn-extras-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.rgzn-extras-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.rgzn-extras-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 1rem;
}

.rgzn-extras-qr {
    margin-bottom: 1rem;
}

.rgzn-extras-qr-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.rgzn-qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--foreground-muted);
}

.rgzn-qr-placeholder span {
    font-size: 0.7rem;
    text-align: center;
    line-height: 1.2;
}

.rgzn-qr-sm {
    width: 80px;
    height: 80px;
}

.rgzn-extras-platforms {
    display: flex;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--foreground-muted);
    margin-bottom: 0.75rem;
}

.rgzn-extras-status {
    font-size: 0.8125rem;
    color: #facc15;
    margin-bottom: 1rem;
}

.rgzn-extras-hint {
    font-size: 0.8125rem;
    color: var(--foreground-muted);
    margin-bottom: 0.5rem;
}

.rgzn-btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.rgzn-btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

/* ========================================
   Hero v3.0 Updates
   ======================================== */
.rgzn-hero-container {
    position: relative;
    z-index: 10;
    width: 100%;
}

.rgzn-hero-stat {
    text-align: center;
}

.rgzn-hero-stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.rgzn-hero-stat-label {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    display: block;
}

/* ========================================
   About Section v3.0 (Compact)
   ======================================== */
.rgzn-about {
    position: relative;
    padding: 6rem 0;
    overflow: hidden;
    text-align: center;
}

.rgzn-about-desc {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.rgzn-about-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.rgzn-about-stat {
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
}

.rgzn-about-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.25rem;
}

.rgzn-about-stat-label {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    display: block;
}


/* ========================================
   v2.0 Multi-Page Architecture — Additional Styles
   Complements the v3.0 section above.
   Only includes styles NOT already covered.
   ======================================== */

/* ========================================
   3. Product Detail Page Common Styles
   ======================================== */
.rgzn-page-hero {
    position: relative;
    padding: 5rem 0 4rem;
    overflow: hidden;
}

.rgzn-page-hero .rgzn-section-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.rgzn-page-hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.rgzn-page-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.rgzn-page-hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.rgzn-page-hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--foreground-muted);
    margin-bottom: 1rem;
}

.rgzn-page-hero-desc {
    font-size: 1.0625rem;
    color: var(--foreground-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.rgzn-page-hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

@media (min-width: 640px) {
    .rgzn-page-hero-buttons {
        flex-direction: row;
    }
}

/* Feature list */
.rgzn-feature-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .rgzn-feature-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .rgzn-feature-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

.rgzn-feature-item {
    padding: 1.5rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.rgzn-feature-item:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.rgzn-feature-item-icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.rgzn-feature-item-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-feature-item-desc {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    line-height: 1.6;
}

/* How it works - 3 step flow */
.rgzn-flow {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: center;
}

@media (min-width: 768px) {
    .rgzn-flow {
        grid-template-columns: 1fr auto 1fr auto 1fr;
    }
}

.rgzn-flow-step {
    padding: 2rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    text-align: center;
}

.rgzn-flow-step-number {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
    margin: 0 auto 1rem;
}

.rgzn-flow-step-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-flow-step-desc {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    line-height: 1.6;
}

.rgzn-flow-arrow {
    display: none;
    color: #64748b;
    font-size: 1.5rem;
}

@media (min-width: 768px) {
    .rgzn-flow-arrow {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Screenshot gallery */
.rgzn-screenshots {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .rgzn-screenshots {
        grid-template-columns: repeat(3, 1fr);
    }
}

.rgzn-screenshot {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    aspect-ratio: 16 / 10;
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 0.8125rem;
}

.rgzn-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Bottom CTA */
.rgzn-bottom-cta {
    text-align: center;
    padding: 4rem 0;
}

.rgzn-bottom-cta .rgzn-btn {
    padding: 1rem 2.5rem;
    font-size: 1.0625rem;
}

/* ========================================
   4. About Page Full Styles
   ======================================== */
.rgzn-about-page-intro {
    font-size: 1.125rem;
    color: var(--foreground-muted);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

/* Core data - 4 columns */
.rgzn-core-data {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .rgzn-core-data {
        grid-template-columns: repeat(4, 1fr);
    }
}

.rgzn-core-data-item {
    padding: 2rem 1.5rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    text-align: center;
}

.rgzn-core-data-value {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.rgzn-core-data-label {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

/* Tech strength cards - 4 columns */
.rgzn-tech-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .rgzn-tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .rgzn-tech-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.rgzn-tech-card {
    padding: 1.5rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.rgzn-tech-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.rgzn-tech-card-icon {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.rgzn-tech-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-tech-card-desc {
    font-size: 0.8125rem;
    color: var(--foreground-muted);
    line-height: 1.6;
}

/* Timeline */
.rgzn-timeline {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 4rem;
}

.rgzn-timeline::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #3b82f6, #8b5cf6, #06b6d4);
}

.rgzn-timeline-item {
    position: relative;
    padding-bottom: 2rem;
    padding-left: 1.5rem;
}

.rgzn-timeline-item:last-child {
    padding-bottom: 0;
}

.rgzn-timeline-item::before {
    content: '';
    position: absolute;
    left: -1.625rem;
    top: 0.375rem;
    width: 0.75rem;
    height: 0.75rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: 2px solid var(--background);
}

.rgzn-timeline-year {
    font-size: 0.875rem;
    font-weight: 600;
    color: #60a5fa;
    margin-bottom: 0.25rem;
}

.rgzn-timeline-event {
    font-size: 1rem;
    color: var(--foreground);
    line-height: 1.6;
}

.rgzn-timeline-event.upcoming {
    color: #fbbf24;
    font-style: italic;
}

/* Contact info block on about page */
.rgzn-contact-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .rgzn-contact-block {
        grid-template-columns: repeat(3, 1fr);
    }
}

.rgzn-contact-block-item {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
}

.rgzn-contact-block-icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.rgzn-contact-block-label {
    font-size: 0.8125rem;
    color: var(--foreground-muted);
    margin-bottom: 0.25rem;
}

.rgzn-contact-block-value {
    font-size: 0.9375rem;
    color: var(--foreground);
    font-weight: 500;
}

.rgzn-contact-block-value a {
    color: #60a5fa;
}

.rgzn-contact-block-value a:hover {
    color: #93c5fd;
}

/* ========================================
   5. Legal Page Styles (Privacy / Terms)
   ======================================== */
.rgzn-legal-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

.rgzn-legal-page h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-legal-updated {
    font-size: 0.875rem;
    color: #64748b;
    margin-bottom: 3rem;
}

.rgzn-legal-page h2 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--foreground);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.rgzn-legal-page h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.rgzn-legal-page p {
    font-size: 0.9375rem;
    color: var(--foreground-muted);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.rgzn-legal-page ul,
.rgzn-legal-page ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.rgzn-legal-page li {
    font-size: 0.9375rem;
    color: var(--foreground-muted);
    line-height: 1.8;
    margin-bottom: 0.375rem;
}

.rgzn-legal-page a {
    color: #60a5fa;
}

.rgzn-legal-page a:hover {
    color: #93c5fd;
    text-decoration: underline;
}

.rgzn-legal-page strong {
    color: var(--foreground);
    font-weight: 600;
}

/* ========================================
   6. App Download Page Styles
   ======================================== */
.rgzn-app-reserve {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    margin-bottom: 3rem;
}

.rgzn-app-reserve-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 1.5rem;
}

.rgzn-app-reserve-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .rgzn-app-reserve-form {
        flex-direction: row;
        max-width: 500px;
    }
}

.rgzn-app-reserve-input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    color: var(--foreground);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-family: inherit;
}

.rgzn-app-reserve-input:focus {
    outline: none;
    border-color: var(--primary);
}

.rgzn-app-reserve-input::placeholder {
    color: #64748b;
}

/* Feature preview cards - 5 columns */
.rgzn-app-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 3rem;
}

@media (min-width: 480px) {
    .rgzn-app-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .rgzn-app-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .rgzn-app-features {
        grid-template-columns: repeat(5, 1fr);
    }
}

.rgzn-app-feature-card {
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.rgzn-app-feature-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.rgzn-app-feature-icon {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.rgzn-app-feature-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.375rem;
}

.rgzn-app-feature-desc {
    font-size: 0.8125rem;
    color: var(--foreground-muted);
    line-height: 1.5;
}

/* System requirements */
.rgzn-system-req {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    flex-wrap: wrap;
}

.rgzn-system-req-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

/* ========================================
   7. Navigation Dropdown Menu
   ======================================== */
.rgzn-nav-dropdown {
    position: relative;
}

.rgzn-nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--foreground-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
}

.rgzn-nav-dropdown-toggle:hover,
.rgzn-nav-dropdown:hover .rgzn-nav-dropdown-toggle {
    color: var(--foreground);
    background: rgba(255, 255, 255, 0.05);
}

.rgzn-nav-dropdown-arrow {
    width: 1rem;
    height: 1rem;
    transition: transform var(--transition-fast);
}

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

.rgzn-nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 240px;
    padding: 0.5rem;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
}

.rgzn-nav-dropdown:hover .rgzn-nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.rgzn-nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--foreground-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.rgzn-nav-dropdown-item:hover {
    color: var(--foreground);
    background: rgba(255, 255, 255, 0.05);
}

.rgzn-nav-dropdown-item-icon {
    font-size: 1.125rem;
    width: 1.5rem;
    text-align: center;
}

/* Mobile dropdown (expanded list) */
@media (max-width: 767px) {
    .rgzn-nav-dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        background: rgba(255, 255, 255, 0.02);
        min-width: 0;
        padding: 0;
        margin-top: 0.25rem;
        display: none;
    }

    .rgzn-nav-dropdown.active .rgzn-nav-dropdown-menu {
        display: block;
    }

    .rgzn-nav-dropdown-arrow {
        display: none;
    }
}

/* ========================================
   8. Language Switch Button
   ======================================== */
.rgzn-lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.rgzn-lang-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--foreground-muted);
    background: transparent;
    border: none;
    border-radius: calc(var(--radius-md) - 2px);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.rgzn-lang-btn.active {
    color: white;
    background: var(--gradient-primary);
}

.rgzn-lang-btn:hover:not(.active) {
    color: var(--foreground);
}

/* ========================================
   9. Footer QR Code Area
   ======================================== */
.rgzn-footer-qr {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.rgzn-footer-qr-item {
    text-align: center;
}

.rgzn-footer-qr-img {
    width: 80px;
    height: 80px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.rgzn-footer-qr-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.rgzn-footer-qr-label {
    font-size: 0.6875rem;
    color: #64748b;
    margin-top: 0.375rem;
    white-space: nowrap;
}

/* ========================================
   10. Page Template Body Classes
   ======================================== */
.page-about .rgzn-page-hero .rgzn-section-bg {
    background: linear-gradient(to bottom, var(--background), rgba(88, 28, 135, 0.1), var(--background));
}

.page-privacy .rgzn-page-hero,
.page-terms .rgzn-page-hero {
    padding: 3rem 0 2rem;
}

.page-app .rgzn-page-hero .rgzn-section-bg {
    background: linear-gradient(to bottom, var(--background), rgba(22, 78, 99, 0.1), var(--background));
}

.page-product .rgzn-page-hero .rgzn-section-bg {
    background: linear-gradient(to bottom, var(--background), rgba(30, 58, 138, 0.1), var(--background));
}

/* ========================================
   11. Responsive Adjustments (New Components)
   ======================================== */

/* Tablet: 768px */
@media (max-width: 768px) {
    .rgzn-core-data {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .rgzn-flow {
        grid-template-columns: 1fr;
    }

    .rgzn-flow-arrow {
        display: none;
    }

    .rgzn-flow-step {
        text-align: left;
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .rgzn-flow-step-number {
        margin: 0;
        flex-shrink: 0;
    }

    .rgzn-screenshots {
        grid-template-columns: 1fr;
    }
}

/* Mobile: 480px */
@media (max-width: 480px) {
    .rgzn-core-data {
        grid-template-columns: 1fr;
    }

    .rgzn-tech-grid {
        grid-template-columns: 1fr;
    }

    .rgzn-app-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .rgzn-page-hero-title {
        font-size: 1.75rem;
    }

    .rgzn-footer-qr {
        justify-content: center;
    }
}

/* ========================================
   12. Bilingual Content Toggle
   ======================================== */
.rgzn-i18n {
    display: none;
}

.rgzn-i18n.active {
    display: block;
}

/* When lang=zh is active */
html[lang="zh"] .rgzn-i18n.zh,
html[lang="zh-CN"] .rgzn-i18n.zh,
body.lang-zh .rgzn-i18n.zh {
    display: block;
}

html[lang="zh"] .rgzn-i18n.en,
html[lang="zh-CN"] .rgzn-i18n.en,
body.lang-zh .rgzn-i18n.en {
    display: none;
}

/* When lang=en is active */
html[lang="en"] .rgzn-i18n.en,
body.lang-en .rgzn-i18n.en {
    display: block;
}

html[lang="en"] .rgzn-i18n.zh,
body.lang-en .rgzn-i18n.zh {
    display: none;
}

/* Inline bilingual spans */
.rgzn-i18n-inline {
    display: none;
}

html[lang="zh"] .rgzn-i18n-inline.zh,
html[lang="zh-CN"] .rgzn-i18n-inline.zh,
body.lang-zh .rgzn-i18n-inline.zh {
    display: inline;
}

html[lang="en"] .rgzn-i18n-inline.en,
body.lang-en .rgzn-i18n-inline.en {
    display: inline;
}

/* ========================================
   v2.0 新增样式 - 多页面架构 + 产品矩阵
   ======================================== */

/* --- 产品矩阵区域 --- */
.rgzn-products {
    padding: 0 0 6rem;
    background: var(--background);
}

.rgzn-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.rgzn-product-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.rgzn-product-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow-blue);
}

.rgzn-product-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.rgzn-product-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.rgzn-product-icon-blue { background: rgba(59, 130, 246, 0.15); }
.rgzn-product-icon-purple { background: rgba(139, 92, 246, 0.15); }
.rgzn-product-icon-cyan { background: rgba(6, 182, 212, 0.15); }
.rgzn-product-icon-orange { background: rgba(249, 115, 22, 0.15); }
.rgzn-product-icon-green { background: rgba(34, 197, 94, 0.15); }
.rgzn-product-icon-pink { background: rgba(236, 72, 153, 0.15); }
.rgzn-product-icon-gold { background: rgba(234, 179, 8, 0.15); }
.rgzn-product-icon-teal { background: rgba(20, 184, 166, 0.15); }

.rgzn-product-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 500;
}

.rgzn-status-live {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

.rgzn-status-dev {
    background: rgba(249, 115, 22, 0.15);
    color: #fb923c;
}

.rgzn-product-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-product-desc {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    margin-bottom: 1rem;
}

.rgzn-product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.rgzn-product-tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    color: var(--foreground-muted);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.rgzn-product-link {
    font-size: 0.875rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    margin-top: auto;
    transition: var(--transition-fast);
}

.rgzn-product-link:hover {
    color: var(--secondary);
}

.rgzn-product-link-disabled {
    color: var(--foreground-muted);
    cursor: default;
    font-weight: 400;
}

/* --- App 下载 + 微信入口 整合区域 --- */
.rgzn-products-extras {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.rgzn-extras-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.rgzn-extras-icon {
    font-size: 2rem;
}

.rgzn-extras-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
}

.rgzn-extras-qr {
    margin: 0.5rem 0;
}

.rgzn-extras-qr-group {
    display: flex;
    gap: 1rem;
    margin: 0.5rem 0;
}

.rgzn-extras-platforms {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

.rgzn-extras-status {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

.rgzn-extras-hint {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

/* --- 二维码占位 --- */
.rgzn-qr-placeholder {
    width: 120px;
    height: 120px;
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--foreground-muted);
    font-size: 0.75rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
}

.rgzn-qr-sm {
    width: 80px;
    height: 80px;
    font-size: 0.625rem;
}

.rgzn-qr-large {
    width: 160px;
    height: 160px;
    margin: 1rem auto;
}

.rgzn-footer-qr-placeholder {
    width: 80px;
    height: 80px;
    font-size: 0.625rem;
}

/* --- 关于我们区域（首页精简版） --- */
.rgzn-about {
    padding: 6rem 0;
    background: var(--background-light);
    text-align: center;
}

.rgzn-about-desc {
    max-width: 640px;
    margin: 0 auto;
}

.rgzn-about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 2.5rem 0;
}

.rgzn-about-stat {
    text-align: center;
}

.rgzn-about-stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rgzn-about-stat-label {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    margin-top: 0.25rem;
}

/* --- 页面 Hero --- */
.rgzn-page-hero {
    padding: 6rem 0 4rem;
    background: var(--gradient-hero);
    text-align: center;
}

.rgzn-page-hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--foreground);
    margin-top: 1rem;
    line-height: 1.2;
}

.rgzn-page-hero-subtitle {
    font-size: 1.25rem;
    color: var(--foreground-muted);
    margin-top: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.rgzn-product-hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* --- 页面通用 Section --- */
.rgzn-page-section {
    padding: 5rem 0;
}

.rgzn-section-alt {
    background: var(--background-light);
}

.rgzn-page-section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--foreground);
    text-align: center;
    margin-bottom: 2.5rem;
}

.rgzn-text-lg {
    font-size: 1.125rem;
    color: var(--foreground-muted);
    line-height: 1.8;
}

/* --- 功能卡片网格 --- */
.rgzn-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.rgzn-feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: var(--transition-normal);
}

.rgzn-feature-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.rgzn-feature-icon {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.rgzn-feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-feature-card p {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    line-height: 1.6;
}

.rgzn-feature-coming {
    opacity: 0.7;
    border-style: dashed;
}

/* --- 技术实力卡片 --- */
.rgzn-tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.rgzn-tech-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    text-align: center;
}

.rgzn-tech-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.rgzn-tech-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-tech-card p {
    font-size: 0.8125rem;
    color: var(--foreground-muted);
}

/* --- 发展历程时间线 --- */
.rgzn-timeline {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    padding-left: 2rem;
}

.rgzn-timeline::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.rgzn-timeline-item {
    position: relative;
    padding: 1.5rem 0 1.5rem 2rem;
}

.rgzn-timeline-item::before {
    content: '';
    position: absolute;
    left: -1.6rem;
    top: 1.75rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid var(--background);
}

.rgzn-timeline-future::before {
    background: var(--foreground-muted);
}

.rgzn-timeline-year {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.rgzn-timeline-future .rgzn-timeline-year {
    color: var(--foreground-muted);
}

.rgzn-timeline-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.25rem;
}

.rgzn-timeline-content p {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

/* --- 联系方式 --- */
.rgzn-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.rgzn-contact-item {
    text-align: center;
}

.rgzn-contact-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.rgzn-contact-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-contact-item a,
.rgzn-contact-item p {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

.rgzn-contact-item a {
    color: var(--primary);
    text-decoration: none;
}

.rgzn-contact-item a:hover {
    color: var(--secondary);
}

.rgzn-contact-links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* --- 法律文档样式 --- */
.rgzn-legal-content {
    padding: 4rem 0;
}

.rgzn-legal-container {
    max-width: 800px;
    margin: 0 auto;
}

.rgzn-legal-date {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    margin-top: 1rem;
}

.rgzn-legal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--foreground);
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.rgzn-legal-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin: 1.5rem 0 0.75rem;
}

.rgzn-legal-content p {
    font-size: 0.9375rem;
    color: var(--foreground-muted);
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.rgzn-legal-content ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1rem;
}

.rgzn-legal-content ul li {
    font-size: 0.9375rem;
    color: var(--foreground-muted);
    line-height: 1.8;
    padding-left: 1.5rem;
    position: relative;
}

.rgzn-legal-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.rgzn-legal-content a {
    color: var(--primary);
    text-decoration: none;
}

.rgzn-legal-content a:hover {
    color: var(--secondary);
}

/* --- App 下载页 --- */
.rgzn-app-hero {
    padding-bottom: 3rem;
}

.rgzn-app-status-badge {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    background: rgba(249, 115, 22, 0.15);
    color: #fb923c;
    font-size: 0.875rem;
    font-weight: 500;
}

.rgzn-app-reserve {
    text-align: center;
}

.rgzn-app-reserve-inner {
    max-width: 480px;
    margin: 0 auto;
}

.rgzn-app-form {
    margin-top: 2rem;
}

.rgzn-app-form-group {
    display: flex;
    gap: 0.75rem;
}

.rgzn-app-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
    color: var(--foreground);
    font-size: 0.875rem;
    outline: none;
    transition: var(--transition-fast);
}

.rgzn-app-input:focus {
    border-color: var(--primary);
}

.rgzn-app-input::placeholder {
    color: var(--foreground-muted);
}

.rgzn-app-form-hint {
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    min-height: 1.25rem;
}

.rgzn-hint-success {
    color: #4ade80;
}

.rgzn-hint-error {
    color: #f87171;
}

.rgzn-app-features {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
}

.rgzn-app-feature {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.rgzn-app-feature-icon {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.rgzn-app-feature h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.25rem;
}

.rgzn-app-feature p {
    font-size: 0.75rem;
    color: var(--foreground-muted);
}

.rgzn-app-requirements {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.rgzn-app-requirement {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    color: var(--foreground-muted);
}

.rgzn-app-req-icon {
    font-size: 1.25rem;
}

/* --- 流程步骤 --- */
.rgzn-flow-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.rgzn-flow-step {
    text-align: center;
    max-width: 240px;
    flex: 1;
}

.rgzn-flow-step-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.rgzn-flow-step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
}

.rgzn-flow-step h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-flow-step p {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

.rgzn-flow-arrow {
    font-size: 1.5rem;
    color: var(--primary);
    padding-top: 2rem;
}

/* --- 技术规格 --- */
.rgzn-tech-specs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.rgzn-tech-spec {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
}

.rgzn-tech-spec-label {
    display: block;
    font-size: 0.75rem;
    color: var(--foreground-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.rgzn-tech-spec-value {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
}

/* --- 技术步骤 --- */
.rgzn-tech-integration {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.rgzn-tech-step {
    text-align: center;
    max-width: 280px;
    flex: 1;
}

.rgzn-tech-step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
}

.rgzn-tech-step h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-tech-step p {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

/* --- 微信区域 --- */
.rgzn-wechat-section {
    display: flex;
    align-items: center;
    gap: 3rem;
    max-width: 640px;
    margin: 0 auto;
}

.rgzn-wechat-qr {
    flex-shrink: 0;
}

.rgzn-wechat-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.rgzn-wechat-info p {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    margin-bottom: 1rem;
}

.rgzn-wechat-info ul {
    list-style: none;
    padding: 0;
}

.rgzn-wechat-info ul li {
    font-size: 0.875rem;
    color: var(--foreground-muted);
    padding: 0.25rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.rgzn-wechat-info ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4ade80;
}

/* --- CTA 区域 --- */
.rgzn-cta-section {
    text-align: center;
}

.rgzn-cta-inner h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 1.5rem;
}

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

/* --- 导航栏下拉菜单 --- */
.rgzn-menu-dropdown {
    position: relative;
}

.rgzn-menu-dropdown .rgzn-menu-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.rgzn-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition-fast);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 100;
}

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

.rgzn-dropdown li a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    color: var(--foreground-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.rgzn-dropdown li a:hover {
    color: var(--foreground);
    background: rgba(255, 255, 255, 0.05);
}

/* --- 语言切换按钮 --- */
.rgzn-btn-lang {
    font-size: 0.8125rem;
    font-weight: 600;
    min-width: 40px;
}

/* --- Footer 二维码区域 --- */
.rgzn-footer-qrs {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

.rgzn-footer-qr-item {
    text-align: center;
}

.rgzn-footer-qr-label {
    display: block;
    font-size: 0.75rem;
    color: var(--foreground-muted);
    margin-top: 0.5rem;
}

/* --- 移动端下拉菜单 --- */
.rgzn-mobile-dropdown-toggle > a {
    cursor: pointer;
}

.rgzn-mobile-dropdown-list {
    display: none;
    list-style: none;
    padding: 0.5rem 0 0.5rem 1.5rem;
}

.rgzn-mobile-dropdown-toggle.open .rgzn-mobile-dropdown-list {
    display: block;
}

.rgzn-mobile-dropdown-list li a {
    font-size: 0.875rem;
    color: var(--foreground-muted);
}

/* --- Section 通用 --- */
.rgzn-section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.rgzn-section-header {
    text-align: center;
    margin-bottom: 1rem;
}

.rgzn-section-badge {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

.rgzn-section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--foreground);
    line-height: 1.2;
}

.rgzn-section-desc {
    font-size: 1.125rem;
    color: var(--foreground-muted);
    margin-top: 0.75rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- 按钮尺寸 --- */
.rgzn-btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

.rgzn-btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.8125rem;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1024px) {
    .rgzn-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .rgzn-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .rgzn-tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .rgzn-tech-specs {
        grid-template-columns: repeat(2, 1fr);
    }
    .rgzn-app-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .rgzn-products-grid {
        grid-template-columns: 1fr;
    }
    .rgzn-products-extras {
        grid-template-columns: 1fr;
    }
    .rgzn-features-grid {
        grid-template-columns: 1fr;
    }
    .rgzn-tech-grid {
        grid-template-columns: 1fr;
    }
    .rgzn-tech-specs {
        grid-template-columns: repeat(2, 1fr);
    }
    .rgzn-about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .rgzn-contact-grid {
        grid-template-columns: 1fr;
    }
    .rgzn-app-features {
        grid-template-columns: repeat(2, 1fr);
    }
    .rgzn-page-hero-title {
        font-size: 2rem;
    }
    .rgzn-flow-steps {
        flex-direction: column;
        align-items: center;
    }
    .rgzn-flow-arrow {
        transform: rotate(90deg);
        padding: 0;
    }
    .rgzn-wechat-section {
        flex-direction: column;
        text-align: center;
    }
    .rgzn-app-form-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .rgzn-about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .rgzn-app-features {
        grid-template-columns: 1fr 1fr;
    }
    .rgzn-page-hero-title {
        font-size: 1.75rem;
    }
    .rgzn-section-title {
        font-size: 1.75rem;
    }
    .rgzn-product-hero-ctas {
        flex-direction: column;
        align-items: center;
    }
}

/* --- 二维码图片样式 --- */
.rgzn-qr-img {
    border-radius: var(--radius-md);
    display: block;
}

.rgzn-qr-img-sm {
    width: 80px;
    height: 80px;
    object-fit: cover;
}

.rgzn-qr-img-large {
    margin: 1rem auto;
    text-align: center;
}

/* ========================================
   Careers / 招聘页面样式
   ======================================== */

/* Job Card */
.rgzn-job-card {
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-top: 2rem;
}

.rgzn-job-header {
    padding: 2rem 2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .rgzn-job-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.rgzn-job-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.rgzn-job-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    white-space: nowrap;
}

.rgzn-job-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--foreground);
}

.rgzn-job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.rgzn-job-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--foreground-muted);
    white-space: nowrap;
}

/* Job Body */
.rgzn-job-body {
    padding: 2rem;
}

.rgzn-job-section {
    margin-bottom: 2rem;
}

.rgzn-job-section:last-child {
    margin-bottom: 0;
}

.rgzn-job-section h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.875rem;
    padding-left: 0.75rem;
    border-left: 3px solid var(--primary);
}

.rgzn-job-section p {
    color: var(--foreground-muted);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Job List */
.rgzn-job-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rgzn-job-list li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--foreground-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.rgzn-job-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

.rgzn-job-list li strong {
    color: var(--foreground);
}

/* Bonus Grid */
.rgzn-bonus-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .rgzn-bonus-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .rgzn-bonus-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.rgzn-bonus-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--foreground-muted);
    transition: all var(--transition-normal);
}

.rgzn-bonus-item:hover {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.05);
}

.rgzn-bonus-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Job CTA */
.rgzn-job-cta {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.rgzn-job-cta-text {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    font-size: 1rem;
    color: var(--foreground-muted);
}

.rgzn-job-cta-text strong {
    font-size: 1.125rem;
    color: var(--foreground);
}

.rgzn-job-email {
    color: var(--primary) !important;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.rgzn-job-email:hover {
    color: var(--secondary) !important;
}

.rgzn-job-cta-format {
    font-size: 0.8125rem;
    color: var(--foreground-muted);
}

.rgzn-job-cta-format code {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--accent);
}

/* Coming Roles */
.rgzn-coming-roles {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.rgzn-coming-role {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px dashed var(--border-color);
    color: var(--foreground-muted);
}

/* Page section title override for careers */
.page-careers .rgzn-page-section-title {
    text-align: center;
}

/* ========================================
   WeChat QR Code Modal
   ======================================== */
.rgzn-wechat-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
}

.rgzn-wechat-modal.active {
    display: flex;
}

.rgzn-wechat-modal-content {
    position: relative;
    background: var(--background, #0f172a);
    border: 1px solid var(--border, rgba(148, 163, 184, 0.2));
    border-radius: 1rem;
    padding: 2rem;
    max-width: 360px;
    width: 90%;
    text-align: center;
    animation: rgzn-modal-in 0.25s ease-out;
}

@keyframes rgzn-modal-in {
    from { opacity: 0; transform: scale(0.9) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.rgzn-wechat-modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--foreground-muted, #94a3b8);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem;
    transition: color 0.2s;
}

.rgzn-wechat-modal-close:hover {
    color: var(--foreground, #f8fafc);
}

.rgzn-wechat-modal-qr {
    width: 200px;
    height: 200px;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    object-fit: cover;
}

.rgzn-wechat-modal-body h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--foreground, #f8fafc);
}

.rgzn-wechat-modal-body p {
    font-size: 0.875rem;
    color: var(--foreground-muted, #94a3b8);
    margin: 0;
}