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

/* Ensure touch-friendly on mobile devices */
a, button {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Text selection optimization on mobile devices */
@media (max-width: 768px) {
    * {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    }
}

:root {
    /* Gray color scheme main colors */
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-200: #dee2e6;
    --gray-300: #ced4da;
    --gray-400: #adb5bd;
    --gray-500: #6c757d;
    --gray-600: #495057;
    --gray-700: #343a40;
    --gray-800: #212529;
    
    /* アクセントカラー */
    --primary-blue: #0d6efd;
    --secondary-blue: #6ea8fe;
    
    /* Compatibility variables (based on new color scheme) */
    --bg-light: var(--gray-50);
    --bg-medium: var(--gray-100);
    --bg-dark: var(--gray-200);
    --text-dark: var(--gray-800);
    --text-medium: var(--gray-500);
    --accent-blue: var(--primary-blue);
    --border-color: var(--gray-300);
    --primary-color: var(--primary-blue);
    --secondary-color: var(--secondary-blue);
    --success-color: #198754;
    --danger-color: #dc3545;
    --info-color: var(--primary-blue);
    --bg-color: #ffffff;
    --text-color: var(--text-dark);
    --card-bg: var(--bg-light);
    
    /* Shadow effects */
    --shadow: 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);
}

[data-theme="dark"] {
    /* Dark theme uses gray color scheme */
    --bg-light: var(--gray-700);
    --bg-medium: var(--gray-600);
    --bg-dark: var(--gray-500);
    --text-dark: var(--gray-50);
    --text-medium: var(--gray-400);
    --border-color: var(--gray-600);
    --bg-color: var(--gray-800);
    --text-color: var(--text-dark);
    --card-bg: var(--bg-medium);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: var(--bg-light);
    color: var(--text-color);
    min-height: 100vh;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Main Content Area */
.main-content {
    flex: 1;
    width: 100%;
}

/* Navigation Bar Styles */
.navbar {
    background-color: var(--gray-700);
    color: #ffffff;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-logo a {
    color: #ffffff;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.nav-logo a:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 0;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin: 0;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    padding: 10px 20px;
    display: block;
    transition: background-color 0.3s ease, color 0.3s ease;
    border-radius: 4px;
    font-weight: 500;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.nav-link.nav-cta {
    background-color: var(--accent-blue);
    margin-left: 10px;
}

.nav-link.nav-cta:hover {
    background-color: var(--secondary-blue);
}

/* Navigation Menu - Default display on PC */
.nav-menu {
    display: flex;
}

/* Mobile Menu Toggle Button - Hidden on PC */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Responsive Design - Mobile */
@media (max-width: 768px) {
    /* Navigation Bar Responsive */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--gray-700);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        z-index: 999;
    }

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

    .nav-item {
        width: 100%;
    }

    .nav-link {
        padding: 15px 20px;
        width: 100%;
    }

    .nav-link.nav-cta {
        margin-left: 0;
        margin-top: 10px;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* Container Responsive */
    .container {
        padding: 0 15px;
    }

    /* General Section Responsive */
    .section-header {
        margin-bottom: 40px;
    }

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

    .section-subtitle {
        font-size: 1.1rem;
    }

    /* Main Content Area Responsive */
    .main-content {
        padding: 0;
    }
}

/* Homepage Hero Section */
.hero {
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-600) 50%, var(--gray-500) 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(13, 110, 253, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(13, 110, 253, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: #ffffff;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-primary.btn-large {
    background-color: var(--accent-blue);
    color: #ffffff;
    border: 2px solid var(--accent-blue);
}

.btn-primary.btn-large:hover {
    background-color: var(--secondary-blue);
    border-color: var(--secondary-blue);
}

.btn-secondary.btn-large {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.btn-secondary.btn-large:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
}

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.scroll-indicator:hover {
    color: #ffffff;
}

.scroll-indicator svg {
    animation: bounce 2s infinite;
}

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

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

/* Hero Section Responsive Design */
@media (max-width: 768px) {
    .hero {
        min-height: 90vh;
        padding: 80px 20px 60px;
    }

    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 20px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn-large {
        width: 100%;
        max-width: 300px;
        padding: 14px 30px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    /* Hero Section Small Screen Responsive */
    .hero {
        min-height: 85vh;
        padding: 60px 15px 40px;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }

    .hero-buttons {
        gap: 10px;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 0.95rem;
    }
}

/* General Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto;
}

/* About Us Section */
.about {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-card {
    background-color: var(--bg-medium);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.about-card-icon {
    width: 64px;
    height: 64px;
    background-color: var(--accent-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: #ffffff;
}

.about-card-icon svg {
    width: 32px;
    height: 32px;
}

.about-card-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--accent-blue);
    padding-bottom: 12px;
}

.about-card-content {
    color: var(--text-dark);
    line-height: 1.8;
}

.about-card-content p {
    margin-bottom: 16px;
    font-size: 1rem;
}

.about-card-content p:last-child {
    margin-bottom: 0;
}

/* About Us Section Responsive Design */
@media (max-width: 768px) {
    .about {
        padding: 60px 20px;
    }

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

    .section-subtitle {
        font-size: 1.1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .about-card {
        padding: 30px;
    }

    .about-card-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .about {
        padding: 40px 15px;
    }

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

    .section-subtitle {
        font-size: 1rem;
    }

    .about-card {
        padding: 24px;
    }

    .about-card-icon {
        width: 56px;
        height: 56px;
    }

    .about-card-icon svg {
        width: 28px;
        height: 28px;
    }
}

/* Header Styles */
header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 20px;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-color);
    opacity: 0.8;
}

/* Main Content Area */
main {
    display: block;
    width: 100%;
}

/* Card Styles */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

/* Button Styles */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover {
    background: #4f46e5;
}

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

.btn-secondary:hover {
    background: #7c3aed;
}

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

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-info:hover {
    background: #2563eb;
}

/* Counter Display */
.counter-display {
    text-align: center;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 8px;
    margin-top: 20px;
}

.counter-display p {
    font-size: 1.2rem;
    font-weight: 600;
}

.counter-display span {
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--bg-color);
    color: var(--text-color);
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Result Display */
.result {
    margin-top: 20px;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 8px;
    border-left: 4px solid var(--success-color);
    display: none;
}

.result.show {
    display: block;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* List Styles */
.item-list {
    list-style: none;
    margin-top: 20px;
}

.item-list li {
    padding: 15px;
    margin-bottom: 10px;
    background: var(--bg-color);
    border-radius: 8px;
    border-left: 4px solid var(--info-color);
    animation: slideIn 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.item-list li:last-child {
    margin-bottom: 0;
}

/* Footer Styles */
footer {
    text-align: center;
    padding: 20px;
    background: var(--card-bg);

    box-shadow: var(--shadow);
    color: var(--text-color);
    opacity: 0.8;
}

/* General Responsive Design */
@media (max-width: 768px) {
    /* Header Styles Responsive */
    header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    main {
        grid-template-columns: 1fr;
    }

    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    /* Cards and Grid Responsive */
    .services-grid,
    .about-content,
    .details-grid,
    .news-grid,
    .columns-grid,
    .basics-grid,
    .team-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Form Responsive */
    .contact-content {
        display: block;
    }

    .contact-form-wrapper,
    .contact-info {
        width: 100%;
    }

    /* Table Responsive */
    .comparison-table {
        overflow-x: auto;
    }

    .comparison-table table {
        min-width: 600px;
    }

    /* Footer Responsive */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Animation Effects */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

body {
    animation: fadeIn 0.5s ease;
}

/* ============================================
   Cookie授权弹窗样式
   ============================================ */

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--gray-800);
    color: #ffffff;
    padding: 20px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    border-top: 3px solid var(--primary-blue);
    display: none; /* Hidden by default, controlled by JavaScript */
}

.cookie-consent.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.cookie-text {
    flex: 1;
    min-width: 300px;
}

.cookie-text h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #ffffff;
}

.cookie-text p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-buttons .btn {
    padding: 10px 24px;
    font-size: 0.95rem;
    white-space: nowrap;
}

.cookie-buttons .btn-primary {
    background-color: var(--primary-blue);
    color: #ffffff;
    border: none;
}

.cookie-buttons .btn-primary:hover {
    background-color: var(--secondary-blue);
}

.cookie-buttons .btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cookie-buttons .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Cookie Popup Responsive Design */
@media (max-width: 768px) {
    .cookie-consent {
        padding: 15px;
    }

    .cookie-content {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }

    .cookie-text {
        min-width: 100%;
    }

    .cookie-text h3 {
        font-size: 1.1rem;
    }

    .cookie-text p {
        font-size: 0.9rem;
    }

    .cookie-buttons {
        width: 100%;
        flex-direction: column;
    }

    .cookie-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .cookie-consent {
        padding: 12px;
    }

    .cookie-text h3 {
        font-size: 1rem;
    }

    .cookie-text p {
        font-size: 0.85rem;
    }
}

/* ============================================
   首页样式
   ============================================ */

/* Service Features Section */
.services {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background-color: var(--bg-color);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: #ffffff;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.service-description {
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 1rem;
}

/* Company Overview Preview */
.about-preview {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.about-preview-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-preview-text {
    color: var(--text-dark);
    line-height: 1.8;
}

.about-preview-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.about-preview-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-medium);
}

/* Company Overview Preview Responsive Design */
@media (max-width: 768px) {
    .about-preview-content {
        display: block;
    }

    .about-preview-stats {
        display: block;
    }
}

/* CTA Section */
.cta {
    padding: 100px 20px;
    background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-600) 100%);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    color: #ffffff;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #ffffff;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   关于我们页面样式
   ============================================ */

/* Company History */
.history {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -25px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--primary-blue);
    border: 4px solid var(--bg-light);
    z-index: 1;
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-medium);
    line-height: 1.8;
}

/* Management Philosophy */
.philosophy {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.philosophy-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.philosophy-card {
    background-color: var(--bg-medium);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.philosophy-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 12px;
}

.philosophy-card p {
    color: var(--text-dark);
    line-height: 1.8;
}

/* Team Introduction */
.team {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.team-member {
    text-align: center;
    background-color: var(--bg-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.team-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    background-color: var(--bg-medium);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
}

.team-member h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.team-role {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Industry Certifications */
.certifications {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.certification-item {
    background-color: var(--bg-medium);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.cert-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: #ffffff;
}

.certification-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.certification-item p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* ============================================
   服务页面样式
   ============================================ */

.individual-services,
.corporate-services {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.services-list {
    max-width: 1000px;
    margin: 0 auto;
}

.service-item {
    display: flex;
    gap: 30px;
    background-color: var(--bg-color);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    align-items: flex-start;
}

.service-item-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    flex-shrink: 0;
}

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

.service-item-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.service-item-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-item-content li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-medium);
    line-height: 1.6;
}

.service-item-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* Service Details */
.details {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.detail-card {
    background-color: var(--bg-medium);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

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

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

.detail-badge {
    background-color: var(--primary-blue);
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.detail-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
}

.detail-features li {
    padding: 10px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-dark);
    line-height: 1.6;
}

.detail-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.5rem;
    line-height: 1;
}

.detail-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.price-label {
    font-size: 0.9rem;
    color: var(--text-medium);
}

.price-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

/* Service Comparison Table */
.comparison {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.comparison-table {
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--bg-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table thead {
    background-color: var(--gray-700);
    color: #ffffff;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    font-weight: 600;
    font-size: 1.1rem;
}

.comparison-table tbody tr:hover {
    background-color: var(--bg-medium);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

/* Implementation Process */
.process {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-blue);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.process-step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.process-step p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* ============================================
   金融信息页面样式
   ============================================ */

.columns,
.reports,
.basics,
.glossary {
    padding: 100px 20px;
}

.columns {
    background-color: var(--bg-light);
}

.reports {
    background-color: var(--bg-color);
}

.basics {
    background-color: var(--bg-light);
}

.glossary {
    background-color: var(--bg-color);
}

.columns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.column-card {
    background-color: var(--bg-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

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

.column-category {
    display: inline-block;
    background-color: var(--primary-blue);
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.column-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.column-excerpt {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 16px;
}

.column-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.column-link:hover {
    color: var(--secondary-blue);
}

.reports-list {
    max-width: 900px;
    margin: 0 auto;
}

.report-item {
    background-color: var(--bg-medium);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.report-date {
    font-size: 0.9rem;
    color: var(--text-medium);
    margin-bottom: 12px;
}

.report-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.report-item p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 20px;
}

.basics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.basic-card {
    background-color: var(--bg-medium);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.basic-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 12px;
}

.basic-card p {
    color: var(--text-dark);
    line-height: 1.8;
}

.glossary-list {
    max-width: 1000px;
    margin: 0 auto;
}

.glossary-item {
    background-color: var(--bg-medium);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.glossary-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.glossary-item p {
    color: var(--text-medium);
    line-height: 1.8;
    margin: 0;
}

/* ============================================
   联系页面样式
   ============================================ */

.contact {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.contact-form-wrapper {
    background-color: var(--bg-color);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.contact-form {
    width: 100%;
}

.contact-form .form-group {
    margin-bottom: 24px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--bg-color);
    color: var(--text-dark);
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

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

.checkbox-group {
    margin-bottom: 24px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    cursor: pointer;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background-color: var(--bg-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    margin-bottom: 16px;
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.info-card p {
    color: var(--text-medium);
    line-height: 1.8;
    margin: 0;
}

/* Contact Page Responsive Design */
@media (max-width: 768px) {
    .contact-content {
        display: block;
    }
}

/* FAQ */
.faq {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-medium);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.faq-question {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.faq-answer {
    color: var(--text-medium);
    line-height: 1.8;
    margin: 0;
}

/* Material Request */
.material-request {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.material-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.material-content p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.material-list {
    list-style: none;
    padding: 0;
    margin: 0 0 40px 0;
    text-align: left;
    display: inline-block;
}

.material-list li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    color: var(--text-dark);
    line-height: 1.6;
}

.material-list li::before {
    content: '📄';
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* Risk Warning */
.risk {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.risk-content {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-color);
    border-radius: 12px;
    padding: 60px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    text-align: center;
}

.risk-icon {
    width: 80px;
    height: 80px;
    background-color: #ffc107;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--text-dark);
}

.risk-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.risk-warning {
    text-align: left;
    margin-bottom: 30px;
}

.risk-warning p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 16px;
    font-size: 1rem;
}

.risk-disclaimer {
    background-color: var(--bg-medium);
    border-radius: 8px;
    padding: 20px;
    text-align: left;
}

.risk-disclaimer p {
    color: var(--text-medium);
    line-height: 1.8;
    margin: 0;
    font-size: 0.95rem;
}

/* ============================================
   页脚样式
   ============================================ */

.footer {
    background-color: var(--gray-700);
    color: #ffffff;
    padding: 60px 20px 30px;
    margin-top: 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section {
    color: rgba(255, 255, 255, 0.9);
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--primary-blue);
    transform: translateY(-2px);
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 16px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin: 0;
}