/* 墨壳 MOKE - 墨水屏手机壳定制网站样式 */

:root {
    --primary: #2c2c2c;
    --primary-light: #4a4a4a;
    --accent: #6b6b6b;
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f5f5f5;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-lg: rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 24px;
    color: var(--primary);
}

.logo-text {
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero 区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(200, 200, 200, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(180, 180, 180, 0.2) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 56px;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.title-line {
    display: block;
}

.title-line.highlight {
    font-weight: 500;
    color: var(--primary);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn {
    padding: 14px 32px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
}

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

.btn-large {
    padding: 18px 48px;
    font-size: 16px;
}

.hero-visual {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 0;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #e8e8e8, #ffffff);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 40px 80px rgba(0, 0, 0, 0.1),
        inset 0 2px 4px rgba(255, 255, 255, 0.8);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #f0f0f0;
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.eink-pattern {
    width: 80%;
    height: 80%;
    background: 
        linear-gradient(90deg, transparent 49%, #ddd 49%, #ddd 51%, transparent 51%),
        linear-gradient(0deg, transparent 49%, #ddd 49%, #ddd 51%, transparent 51%);
    background-size: 20px 20px;
    opacity: 0.5;
}

/* 通用区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
}

/* 案例展示 */
.cases-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.case-card {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px var(--shadow-lg);
}

.case-image {
    height: 240px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-pattern {
    width: 60%;
    height: 60%;
    opacity: 0.8;
}

.pattern-1 {
    background: 
        linear-gradient(45deg, transparent 45%, #333 45%, #333 55%, transparent 55%),
        linear-gradient(-45deg, transparent 45%, #333 45%, #333 55%, transparent 55%);
    background-size: 30px 30px;
}

.pattern-2 {
    background: radial-gradient(ellipse at center, transparent 30%, #aaa 70%);
    border-radius: 50%;
}

.pattern-3 {
    background: 
        linear-gradient(90deg, #333 1px, transparent 1px),
        linear-gradient(0deg, #333 1px, transparent 1px);
    background-size: 15px 15px;
}

.pattern-4 {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 300;
    color: #333;
    letter-spacing: 4px;
}

.pattern-4::after {
    content: '梦';
}

.case-info {
    padding: 20px;
}

.case-info h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 4px;
}

.case-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

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

.tag {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* 图片展示 */
.gallery-section {
    padding: 100px 0;
    background: var(--bg-tertiary);
}

.gallery-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 24px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-image {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.gallery-pattern {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pattern-svg {
    width: 80%;
    height: 80%;
}

.text-pattern {
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 8px;
}

.pattern-text {
    color: #333;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-title {
    font-size: 16px;
    font-weight: 500;
}

.gallery-use {
    padding: 8px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-use:hover {
    background: var(--primary-light);
}

/* 定制界面 */
.customize-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.customize-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.customize-preview {
    position: sticky;
    top: 100px;
}

.phone-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.phone-frame {
    width: 260px;
    height: 520px;
    background: linear-gradient(145deg, #e0e0e0, #ffffff);
    border-radius: 36px;
    padding: 10px;
    box-shadow: 
        0 24px 48px rgba(0, 0, 0, 0.12),
        inset 0 2px 4px rgba(255, 255, 255, 0.8);
}

.phone-display {
    width: 100%;
    height: 100%;
    background: #f8f8f8;
    border-radius: 28px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border);
}

.display-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
}

.display-placeholder i {
    font-size: 48px;
}

.display-placeholder span {
    font-size: 14px;
}

.phone-model-selector select {
    padding: 10px 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-secondary);
    cursor: pointer;
}

.customize-controls {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary);
    background: var(--bg-tertiary);
}

.upload-box i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.upload-box p {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 13px;
    color: var(--text-muted);
}

.uploaded-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 12px;
}

.uploaded-image {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    background: var(--bg-tertiary);
}

.uploaded-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
}

.uploaded-image .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.customize-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.option-buttons {
    display: flex;
    gap: 8px;
}

.option-btn {
    padding: 10px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

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

.option-group input[type="range"] {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    appearance: none;
    cursor: pointer;
}

.option-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
}

.customize-actions {
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.price-info {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-top: 16px;
    justify-content: center;
}

.price {
    font-size: 28px;
    font-weight: 500;
    color: var(--text-primary);
}

.price-note {
    font-size: 13px;
    color: var(--text-muted);
}

/* 视频展示 */
.video-section {
    padding: 100px 0;
    background: var(--bg-tertiary);
}

.video-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: center;
}

.video-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: #1a1a1a;
}

.video-placeholder {
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
}

.video-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.video-placeholder:hover .video-content {
    color: white;
}

.video-content i {
    font-size: 64px;
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    display: flex;
    align-items: center;
    gap: 16px;
}

.video-btn {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.video-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.video-progress {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    cursor: pointer;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: white;
    border-radius: 2px;
    transition: width 0.1s linear;
}

.video-time {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    font-variant-numeric: tabular-nums;
}

.video-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-item {
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-icon i {
    font-size: 20px;
    color: var(--primary);
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
}

.feature-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 页脚 */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-brand .logo-icon {
    font-size: 28px;
}

.footer-brand .logo-text {
    font-size: 18px;
    font-weight: 500;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--text-primary);
}

.footer-social {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .customize-container {
        grid-template-columns: 1fr;
    }
    
    .customize-preview {
        position: static;
    }
    
    .video-container {
        grid-template-columns: 1fr;
    }
    
    .video-features {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-items: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .video-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 16px 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .cases-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .video-features {
        grid-template-columns: 1fr;
    }
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}