/* ==========================================================================
   CSS Reset / Normalize
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: #333;
    background-color: #fff;
}

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

button, input, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* ==========================================================================
   CSS Variables / Colors
   ========================================================================== */
:root {
    /* Primary Colors */
    --primary-color: #1a365d;
    --primary-dark: #0f2440;
    --primary-light: #2a4a7f;
    --primary-lighter: #3a5a9f;
    
    /* Accent Colors */
    --accent-color: #c9a84c;
    --accent-dark: #b8953d;
    --accent-light: #d4b86a;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1rem;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    margin: var(--spacing-md) auto;
    border-radius: 2px;
}

.section-description {
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-sm) 0;
}

.header-top-inner {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--spacing-xl);
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.lang-btn:hover,
.lang-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.lang-divider {
    color: rgba(255, 255, 255, 0.3);
}

.header-search {
    display: flex;
    align-items: center;
}

.search-form {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: var(--spacing-xs);
}

.search-input {
    background: transparent;
    border: none;
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    width: 150px;
    font-size: 0.875rem;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-btn {
    color: var(--white);
    padding: var(--spacing-xs);
}

.main-navigation {
    background: var(--white);
    padding: var(--spacing-md) 0;
}

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

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

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

.logo-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.main-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.menu-item {
    position: relative;
    display: flex;
    align-items: center;
}

.menu-item > a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-700);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.menu-item > a:hover {
    color: var(--primary-color);
}

.dropdown-toggle {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-xs);
    color: var(--gray-500);
    transition: transform var(--transition-fast);
}

.dropdown-toggle[aria-expanded="true"] {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
}

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

.dropdown-menu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
    background: var(--gray-50);
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: all var(--transition-fast);
}

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

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

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

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */
.breadcrumbs {
    background: var(--gray-50);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-sm);
    color: var(--gray-400);
}

.breadcrumb-list a {
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
    color: var(--primary-color);
}

.breadcrumb-list span {
    color: var(--gray-400);
}

/* ==========================================================================
   Hero Banner / Slider
   ========================================================================== */
.hero-banner {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.banner-slide.active {
    opacity: 1;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.85), rgba(15, 36, 64, 0.75));
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 0 var(--container-padding);
}

.banner-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
}

.banner-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.slider-prev:hover,
.slider-next:hover {
    background: var(--accent-color);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transition: all var(--transition-fast);
}

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

/* ==========================================================================
   Page Header
   ========================================================================== */
.page-header {
    position: relative;
    background-color: var(--primary-color);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.85), rgba(15, 36, 64, 0.75));
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--accent-color);
    color: var(--primary-dark);
}

.btn-secondary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.125rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
    background: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

/* ==========================================================================
   News Cards
   ========================================================================== */
.news-section {
    background: var(--white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.news-card.news-featured {
    grid-column: span 2;
    grid-row: span 2;
}

.news-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.news-card.news-featured .news-image {
    aspect-ratio: auto;
    height: 300px;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.news-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--accent-color);
    color: var(--primary-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.news-content {
    padding: var(--spacing-lg);
}

.news-date {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.news-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.news-title a {
    transition: color var(--transition-fast);
}

.news-title a:hover {
    color: var(--primary-lighter);
}

.news-excerpt {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.news-link:hover {
    color: var(--primary-lighter);
    gap: var(--spacing-sm);
}

/* ==========================================================================
   Identification Services
   ========================================================================== */
.identification-section {
    background: var(--gray-50);
}

.identification-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.identification-text p {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.feature-list {
    margin-bottom: var(--spacing-2xl);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    color: var(--gray-700);
}

.feature-list svg {
    flex-shrink: 0;
    color: var(--accent-color);
    margin-top: 2px;
}

.button-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.identification-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

/* ==========================================================================
   Services Grid
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-xl);
    background: var(--gray-50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.service-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.service-features {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--gray-600);
}

.service-features svg {
    flex-shrink: 0;
    color: var(--success-color);
}

.service-price {
    margin-bottom: var(--spacing-xl);
}

.price-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-xs);
}

.price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ==========================================================================
   Why Choose Section
   ========================================================================== */
.why-choose-section {
    background: var(--primary-color);
    color: var(--white);
}

.why-choose-section .section-title {
    color: var(--white);
}

.why-choose-section .section-divider {
    background: var(--accent-color);
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
}

.why-choose-item {
    text-align: center;
}

.why-choose-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
}

.why-choose-item h3 {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.why-choose-item p {
    opacity: 0.9;
    line-height: 1.6;
}

/* ==========================================================================
   Quick Actions
   ========================================================================== */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.quick-action-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.quick-action-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.quick-action-card h3 {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.quick-action-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-text {
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-section .btn-secondary {
    background: var(--accent-color);
    color: var(--primary-dark);
}

.cta-section .btn-secondary:hover {
    background: var(--accent-dark);
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */
.pricing-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-full);
    font-weight: 600;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 2px solid var(--gray-200);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent-color);
    color: var(--primary-dark);
    padding: var(--spacing-xs) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 600;
    border-bottom-left-radius: var(--radius-md);
}

.pricing-header {
    padding: var(--spacing-2xl);
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
}

.pricing-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.pricing-description {
    color: var(--gray-600);
    line-height: 1.6;
}

.pricing-body {
    padding: var(--spacing-2xl);
}

.pricing-price {
    margin-bottom: var(--spacing-xl);
}

.price-tier {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px dashed var(--gray-200);
}

.price-tier:last-child {
    border-bottom: none;
}

.tier-label {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.tier-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.pricing-details {
    margin-bottom: var(--spacing-xl);
}

.pricing-details h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--gray-600);
}

.pricing-features svg {
    flex-shrink: 0;
    color: var(--success-color);
}

.pricing-turnaround {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    color: var(--gray-600);
}

.pricing-turnaround svg {
    flex-shrink: 0;
    color: var(--primary-color);
}

.pricing-footer {
    padding: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.form-guidelines {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    border-left: 4px solid var(--accent-color);
}

.form-guidelines h3 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.form-guidelines ul {
    color: var(--gray-600);
}

.form-guidelines li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.form-guidelines li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.form-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.form-section-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group.full-width {
    grid-column: span 2;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.required {
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--primary-color);
}

.file-upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: var(--gray-50);
}

.file-input {
    display: none;
}

.file-upload-content {
    color: var(--gray-500);
}

.file-upload-content svg {
    margin: 0 auto var(--spacing-md);
}

.file-types {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.file-preview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.file-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.file-preview-remove {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: var(--danger-color);
    color: var(--white);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-selection {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.service-option {
    cursor: pointer;
}

.service-option input {
    display: none;
}

.service-option-content {
    padding: var(--spacing-xl);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.service-option input:checked + .service-option-content {
    border-color: var(--primary-color);
    background: rgba(26, 54, 93, 0.05);
}

.service-option-content h4 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.service-option-content p {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.service-price {
    font-weight: 700;
    color: var(--accent-color);
}

.form-actions {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.form-success {
    text-align: center;
    padding: var(--spacing-4xl);
}

.success-icon {
    color: var(--success-color);
    margin-bottom: var(--spacing-xl);
}

.form-success h3 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   Track Order / Timeline
   ========================================================================== */
.track-container {
    max-width: 800px;
    margin: 0 auto;
}

.track-search {
    margin-bottom: var(--spacing-2xl);
}

.search-input-group {
    display: flex;
    gap: var(--spacing-md);
}

.search-input-group .form-control {
    flex: 1;
}

.order-info {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
}

.order-header h2 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
}

.order-status-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.status-pending {
    background: var(--gray-100);
    color: var(--gray-600);
}

.status-received {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.status-testing {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.status-reviewing {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.status-completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.order-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.order-detail-item {
    text-align: center;
}

.detail-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-xs);
}

.detail-value {
    font-weight: 600;
    color: var(--gray-700);
}

.progress-timeline {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.progress-timeline h3 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin-bottom: var(--spacing-2xl);
}

.timeline-steps {
    position: relative;
}

.timeline-step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-2xl);
    position: relative;
}

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

.step-indicator {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.timeline-step.active .step-indicator {
    background: var(--primary-color);
    color: var(--white);
}

.timeline-step.completed .step-indicator {
    background: var(--success-color);
    color: var(--white);
}

.step-number {
    font-weight: 700;
    font-size: 1.125rem;
}

.step-content {
    flex: 1;
    padding-top: var(--spacing-sm);
}

.step-content h4 {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.step-date {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.step-connector {
    position: absolute;
    top: 48px;
    left: 23px;
    width: 2px;
    height: calc(100% - 48px);
    background: var(--gray-200);
}

.timeline-step.completed .step-connector {
    background: var(--success-color);
}

.download-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.download-section h3 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.download-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.download-icon {
    color: var(--primary-color);
}

.download-info {
    flex: 1;
}

.download-info h4 {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.download-info p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ==========================================================================
   Certificate Verification
   ========================================================================== */
.certificate-card {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--gray-200);
}

.certificate-card.certificate-valid {
    border-color: var(--success-color);
}

.certificate-card.certificate-invalid {
    border-color: var(--danger-color);
}

.certificate-header {
    padding: var(--spacing-2xl);
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
}

.certificate-status-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-status-icon.valid {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.certificate-status-icon.invalid {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.certificate-status-text {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.certificate-body {
    padding: var(--spacing-2xl);
}

.certificate-details {
    display: grid;
    gap: var(--spacing-lg);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-100);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--gray-500);
}

.detail-value {
    font-weight: 600;
    color: var(--gray-700);
}

/* 证书未找到提示 */
.certificate-not-found {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-2xl);
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.not-found-icon {
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
}

.certificate-not-found h3 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.certificate-not-found p {
    color: var(--gray-500);
}

/* 矿物成分表格 */
.certificate-minerals {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.minerals-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.minerals-table-wrap {
    overflow-x: auto;
}

.minerals-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.minerals-table th,
.minerals-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
}

.minerals-table th {
    background: var(--gray-50);
    color: var(--gray-600);
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
}

.minerals-table td {
    color: var(--gray-700);
}

.minerals-table tbody tr:hover {
    background: var(--gray-50);
}

/* 证书图片展示 */
.certificate-images {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.images-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.certificate-image-item {
    text-align: center;
}

.certificate-img {
    width: 100%;
    max-width: 360px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.certificate-img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.image-label {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* 按钮加载状态 */
.btn-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.faq-list {
    display: grid;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-icon {
    flex-shrink: 0;
    margin-left: var(--spacing-md);
    transition: transform var(--transition-fast);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-answer[aria-hidden="false"] {
    max-height: 1000px;
}

.faq-answer-content {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    color: var(--gray-600);
    line-height: 1.8;
}

/* ==========================================================================
   Content Layout (Sidebar)
   ========================================================================== */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
}

.content-main {
    min-width: 0;
}

.content-sidebar {
    min-width: 0;
    width: 100%;
    overflow: hidden;
}

.sidebar-widget {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.sidebar-widget .widget-title {
    font-family: 'Merriweather', serif;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent-color);
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu li a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.sidebar-menu li a:hover {
    background: var(--white);
    color: var(--primary-color);
}

.sidebar-menu li.active a {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 600;
}

.quick-facts {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.fact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.fact-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.fact-content {
    display: flex;
    flex-direction: column;
}

.fact-number {
    font-family: 'Merriweather', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.fact-label {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.sidebar-cta {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.sidebar-cta h3 {
    color: var(--white);
    border-bottom-color: var(--accent-color);
}

.sidebar-cta p {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.sidebar-cta .btn {
    width: 100%;
}

.content-block {
    margin-bottom: var(--spacing-3xl);
}

.content-block h2 {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
}

.content-block p {
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.25rem;
    color: #000;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--accent-color);
}

.sidebar-menu li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-100);
}

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

.sidebar-menu a {
    display: block;
    padding: var(--spacing-sm);
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.sidebar-menu a:hover,
.sidebar-menu li.active a {
    color: var(--primary-color);
    padding-left: var(--spacing-md);
}

.quick-facts {
    display: grid;
    gap: var(--spacing-lg);
}

.fact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.fact-icon {
    width: 48px;
    height: 48px;
    background: var(--gray-50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.fact-number {
    display: block;
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.fact-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.sidebar-cta {
    background: var(--primary-color);
    color: var(--white);
}

.sidebar-cta h3 {
    color: var(--white);
}

.sidebar-cta p {
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

/* ==========================================================================
   News Layout
   ========================================================================== */
.news-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
}

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

.news-filter {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.sidebar-search {
    display: flex;
    gap: var(--spacing-sm);
}

.sidebar-search .form-control {
    flex: 1;
}

.category-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-100);
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list a {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-sm);
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.category-list a:hover,
.category-list li.active a {
    color: var(--primary-color);
}

.category-list .count {
    background: var(--gray-100);
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

.recent-news li {
    margin-bottom: var(--spacing-lg);
}

.recent-news li:last-child {
    margin-bottom: 0;
}

.recent-news a {
    display: flex;
    gap: var(--spacing-md);
}

.recent-news-image {
    width: 80px;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

.recent-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recent-news-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.recent-news-info time {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
}

.pagination-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.pagination-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-link.current {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.pagination-dots {
    padding: var(--spacing-sm);
    color: var(--gray-400);
}

/* ==========================================================================
   News Detail
   ========================================================================== */
.news-detail-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
}

.page-meta {
    display: flex;
    gap: var(--spacing-xl);
    color: var(--gray-500);
    font-size: 0.875rem;
}

.meta-category {
    background: var(--accent-color);
    color: var(--primary-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.news-featured-image {
    margin-bottom: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.image-caption {
    padding: var(--spacing-md);
    background: var(--gray-50);
    font-size: 0.875rem;
    color: var(--gray-500);
    text-align: center;
}

.news-article-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.news-article-content h2,
.news-article-content h3 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin: var(--spacing-2xl) 0 var(--spacing-lg);
}

.news-article-content p {
    margin-bottom: var(--spacing-lg);
}

.news-article-content img {
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
}

.news-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.tags-label {
    font-weight: 600;
    color: var(--gray-700);
}

.tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--primary-color);
    color: var(--white);
}

.news-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.share-label {
    font-weight: 600;
    color: var(--gray-700);
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.share-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.share-btn.facebook {
    background: #3b5998;
    color: var(--white);
}

.share-btn.twitter {
    background: #1da1f2;
    color: var(--white);
}

.share-btn.linkedin {
    background: #0077b5;
    color: var(--white);
}

.share-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.news-navigation {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

.related-news li {
    margin-bottom: var(--spacing-lg);
}

.related-news li:last-child {
    margin-bottom: 0;
}

.related-news a {
    display: flex;
    gap: var(--spacing-md);
}

.related-news-image {
    width: 100px;
    height: 75px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

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

.related-news-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.related-news-info time {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ==========================================================================
   Newsletters
   ========================================================================== */
.newsletters-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
}

.newsletter-list {
    display: grid;
    gap: var(--spacing-xl);
}

.newsletter-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

.newsletter-item:hover {
    box-shadow: var(--shadow-md);
}

.newsletter-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.newsletter-info {
    flex: 1;
}

.newsletter-title {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.newsletter-description {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.newsletter-date {
    font-size: 0.75rem;
    color: var(--gray-400);
}

.newsletter-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.subscribe-form {
    display: grid;
    gap: var(--spacing-md);
}

.archive-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-100);
}

.archive-list li:last-child {
    border-bottom: none;
}

.archive-list a {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-sm);
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.archive-list a:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   Cooperation Section
   ========================================================================== */
.cooperation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.cooperation-features {
    display: grid;
    gap: var(--spacing-xl);
}

.feature-item {
    display: flex;
    gap: var(--spacing-lg);
}

.feature-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.feature-content h3 {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.feature-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

.cooperation-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.cooperation-form-section {
    background: var(--gray-50);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.form-header h2 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

/* ==========================================================================
   Error Page
   ========================================================================== */
.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    background: var(--gray-50);
}

.error-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-4xl);
}

.error-code {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 8rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-lg);
    opacity: 0.2;
}

.error-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.error-text {
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.error-suggestions {
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

.error-suggestions h3 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.suggestion-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.suggestion-links a {
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

.suggestion-links a:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   Help Section
   ========================================================================== */
.help-section {
    background: var(--gray-50);
}

.help-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.help-content h3 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.help-content p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.help-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* ==========================================================================
   Info Section
   ========================================================================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.info-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-xl);
    background: var(--gray-50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.info-card h3 {
    font-family: 'Merriweather', Georgia, serif;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.info-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--primary-dark);
    color: var(--white);
}

.footer-main {
    padding: var(--spacing-4xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
}

/* 核心功能：页脚标题白色文字，限定在 .site-footer 内避免影响侧边栏 */
.site-footer .widget-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--white);
}

.footer-about-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-links li {
    padding: var(--spacing-xs) 0;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: var(--spacing-sm);
}

.footer-contact {
    display: grid;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
}

.contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--accent-color);
}

.contact-item a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-lg) 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

/* ==========================================================================
   Back to Top Button
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --container-max: 100%;
    }
    
    .hero-banner {
        height: 500px;
    }
    
    .banner-title {
        font-size: 2.5rem;
    }
    
    .about-grid,
    .identification-content,
    .cooperation-grid {
        grid-template-columns: 1fr;
    }
    
    .content-grid,
    .news-layout,
    .news-detail-layout,
    .newsletters-layout {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-choose-grid,
    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .order-details {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .header-top-inner {
        justify-content: center;
    }
    
    .nav-inner {
        flex-wrap: wrap;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        padding: var(--spacing-lg) 0;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .menu-item > a {
        padding: var(--spacing-md);
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        padding-left: var(--spacing-lg);
    }
    
    .has-dropdown.active .dropdown-menu {
        display: block;
    }
    
    .hero-banner {
        height: 400px;
    }
    
    .banner-title {
        font-size: 1.75rem;
    }
    
    .banner-subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .news-grid,
    .news-list-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card.news-featured {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    .services-grid,
    .pricing-grid,
    .why-choose-grid,
    .quick-actions-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .service-selection {
        grid-template-columns: 1fr;
    }
    
    .search-input-group {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-inner {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .banner-buttons,
    .button-group,
    .cta-buttons,
    .error-actions,
    .help-links {
        flex-direction: column;
        align-items: center;
    }
    
    .newsletter-item {
        flex-direction: column;
        text-align: center;
    }
    
    .news-share {
        flex-direction: column;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-banner {
        height: 350px;
    }
    
    .banner-title {
        font-size: 1.5rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .slider-prev,
    .slider-next {
        display: none;
    }
    
    .order-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .order-details {
        grid-template-columns: 1fr;
    }
}