/* 糖心vlog官网主样式文件 - zjtyzzsh.com */
:root {
    --brand-primary: #ff6b9d;
    --brand-secondary: #4ecdc4;
    --brand-accent: #45b7d1;
    --brand-warm: #ffa726;
    --brand-success: #66bb6a;
    --text-primary: #2c3e50;
    --text-secondary: #ffffff;
    --text-muted: #7f8c8d;
    --bg-white: #ffffff;
    --bg-light: #faf9f8;
    --bg-gradient: linear-gradient(135deg, #ff6b9d, #4ecdc4);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.2);
    --border-radius: 20px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #ffa8cc 0%, #84fab0 100%);
    min-height: 100vh;
}

.website-container, .platform-wrapper {
    max-width: 1600px;
    margin: 0 auto;
    background: var(--bg-white);
    min-height: 100vh;
    box-shadow: 0 0 60px rgba(255, 107, 157, 0.3);
}

/* Header 样式 */
.site-header, .main-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1600px;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 107, 157, 0.2);
}

.header-wrapper, .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.brand-section, .logo-section {
    display: flex;
    flex-direction: column;
}

.brand-section h1, .logo-section h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.brand-logo, .logo-link {
    text-decoration: none;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-motto, .platform-tagline {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.main-navigation, .primary-navigation {
    display: flex;
}

.menu-items, .nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2.5rem;
}

.menu-link, .nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.8rem 0;
}

.menu-link:hover, .nav-link:hover, 
.menu-link.active, .nav-link.active {
    color: var(--brand-primary);
    transform: translateY(-2px);
}

.menu-link::after, .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--bg-gradient);
    transition: width 0.3s ease;
}

.menu-link:hover::after, .nav-link:hover::after,
.menu-link.active::after, .nav-link.active::after {
    width: 100%;
}

.cta-button, .contact-btn {
    background: var(--bg-gradient) !important;
    color: white !important;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    box-shadow: var(--shadow-md);
    font-weight: 600;
}

/* Main Content */
.site-content, .main-content {
    margin-top: 90px;
}

.page-banner, .page-hero {
    background: var(--bg-gradient);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-main-title, .page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-description, .page-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* Hero Section */
.hero-banner {
    background: var(--bg-gradient);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.hero-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.hero-heading {
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subheading {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 2rem;
    line-height: 1.4;
}

.brand-highlight {
    color: var(--brand-warm);
    text-shadow: 0 0 20px rgba(255, 167, 38, 0.3);
}

.service-highlight {
    background: linear-gradient(45deg, var(--brand-warm), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-intro {
    font-size: 1.2rem;
    opacity: 0.95;
    margin-bottom: 3rem;
    line-height: 1.7;
}

.platform-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-box {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.25);
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--brand-warm);
    text-shadow: 0 0 25px rgba(255, 167, 38, 0.5);
    margin-bottom: 0.5rem;
}

.stat-unit {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.primary-btn, .btn-primary {
    background: var(--brand-warm);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.primary-btn:hover, .btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.secondary-btn, .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: 1.2rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.secondary-btn:hover, .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.9);
}

.hero-visual {
    position: relative;
}

.visual-container {
    position: relative;
}

.hero-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 25px;
    box-shadow: var(--shadow-xl);
    transition: all 0.3s ease;
}

.hero-image:hover {
    transform: scale(1.05);
}

.feature-animations {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.feature-popup {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 0.8rem 1.2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    animation: float 4s ease-in-out infinite;
}

.popup-emoji {
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

/* Content Wrapper */
.content-wrapper, .content-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

/* Services Section */
.core-services {
    background: var(--bg-white);
    padding: 5rem 0;
}

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

.section-heading, .section-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-desc, .section-subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
}

.services-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.service-item {
    background: var(--bg-light);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
    border: 3px solid transparent;
}

.service-item:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-xl);
    border-color: var(--brand-primary);
}

.service-visual {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.service-info {
    padding: 2.5rem;
}

.service-name {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.service-summary {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-points {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-points li {
    padding: 0.5rem 0;
    color: var(--text-muted);
    font-size: 1rem;
}

.service-metrics {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--brand-primary);
    font-weight: 600;
    flex-wrap: wrap;
}

/* User Testimonials */
.user-testimonials {
    background: var(--bg-light);
    padding: 5rem 0;
}

.testimonials-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
}

.testimonial-item {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 25px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 5px solid var(--brand-primary);
}

.testimonial-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.user-profile {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

.user-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--brand-warm);
}

.user-info {
    flex: 1;
}

.user-name {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.user-type {
    color: var(--brand-primary);
    font-weight: 600;
    margin-bottom: 0.3rem;
    display: block;
}

.user-followers {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
    display: block;
}

.join-duration {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: block;
}

.rating-stars {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

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

.user-achievements {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    flex-wrap: wrap;
}

.achievement {
    background: var(--bg-light);
    color: var(--brand-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    font-weight: 600;
    border: 1px solid rgba(255, 107, 157, 0.2);
}

/* Platform Highlights */
.platform-highlights {
    background: var(--bg-white);
    padding: 5rem 0;
}

.highlights-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.highlight-group {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 25px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.highlight-group:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.group-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.group-icon {
    font-size: 2.5rem;
}

.group-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-collection {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-block {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-white);
    padding: 1rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-block:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 8px;
}

.feature-title {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.feature-badge.expert { background: #fef3c7; color: #92400e; }
.feature-badge.pro { background: #dcfce7; color: #166534; }

/* Content Preview */
.content-preview {
    background: var(--bg-light);
    padding: 5rem 0;
}

.preview-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.featured-content {
    background: var(--bg-white);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border: 3px solid var(--brand-warm);
}

.featured-content:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.content-thumbnail {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.content-details {
    padding: 2.5rem;
}

.content-label {
    background: var(--bg-gradient);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

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

.content-author {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.author-tag {
    background: var(--brand-warm);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-weight: 600;
}

.content-data {
    color: var(--text-muted);
    font-weight: 500;
}

.content-excerpt {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.content-interactions {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    flex-wrap: wrap;
}

.interaction {
    background: var(--bg-light);
    color: var(--brand-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-weight: 600;
}

.content-gallery {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.gallery-item {
    background: var(--bg-white);
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.gallery-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
}

.gallery-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.gallery-author {
    color: var(--brand-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.gallery-views {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Platform Updates */
.platform-updates {
    background: var(--bg-white);
    padding: 5rem 0;
}

.updates-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.main-update {
    background: var(--bg-light);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.main-update:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.update-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.update-content {
    padding: 2.5rem;
}

.update-type {
    background: var(--brand-success);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.update-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.update-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.update-author {
    color: var(--brand-primary);
    font-weight: 600;
}

.update-summary {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.more-details-btn {
    background: var(--bg-gradient);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.more-details-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.updates-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-updates, .contact-widget {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.sidebar-heading {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.sidebar-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.sidebar-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-sm);
}

.sidebar-thumb {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
}

.sidebar-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    line-height: 1.4;
}

.sidebar-date {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.contact-icon {
    font-size: 1.2rem;
    color: var(--brand-primary);
}

.instant-chat-btn {
    width: 100%;
    background: var(--bg-gradient);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.instant-chat-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

/* Footer */
.site-footer, .main-footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: var(--text-secondary);
    padding: 4rem 0 2rem;
}

.footer-wrapper, .footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.footer-sections, .footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 3rem;
}

.footer-heading, .footer-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--brand-warm);
}

.footer-intro, .footer-description {
    line-height: 1.8;
    margin-bottom: 2rem;
    color: #bdc3c7;
}

.footer-legal, .footer-copyright {
    color: #95a5a6;
    font-size: 0.85rem;
}

.footer-links, .footer-menu {
    list-style: none;
}

.footer-links li, .footer-menu li {
    margin-bottom: 0.8rem;
}

.footer-links a, .footer-menu a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover, .footer-menu a:hover {
    color: var(--brand-warm);
}

.contact-details p, .contact-info p {
    margin-bottom: 0.8rem;
    color: #bdc3c7;
    font-size: 0.95rem;
}

/* 动画效果 */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.feature-popup:nth-child(1) { animation-delay: 0s; }
.feature-popup:nth-child(2) { animation-delay: 1s; }
.feature-popup:nth-child(3) { animation-delay: 2s; }

/* 表单样式 */
.form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 25px;
    box-shadow: var(--shadow-lg);
}

.review-submission, .cooperation-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-section, .input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-section label, .input-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-section input, .form-section select, .form-section textarea,
.input-group input, .input-group select, .input-group textarea {
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--bg-white);
}

.form-section input:focus, .form-section select:focus, .form-section textarea:focus,
.input-group input:focus, .input-group select:focus, .input-group textarea:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
}

.submit-review-btn, .form-submit-btn {
    background: var(--bg-gradient);
    color: white;
    padding: 1.2rem 2rem;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    margin-top: 1rem;
}

.submit-review-btn:hover, .form-submit-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.rating-control {
    display: flex;
    gap: 0.5rem;
    font-size: 1.5rem;
}

.rating-star {
    cursor: pointer;
    opacity: 0.3;
    transition: all 0.3s ease;
}

.rating-star:hover, .rating-star.active {
    opacity: 1;
    transform: scale(1.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-wrapper, .header-container {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1rem 2rem;
    }
    
    .menu-items, .nav-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .hero-info {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .platform-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .preview-layout, .updates-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-sections, .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .input-row {
        grid-template-columns: 1fr;
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-gradient);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-primary);
}