/* ====================================
   码上发 - 个人开发者官网样式
   ================================== */

/* CSS 变量定义 */
:root {
    /* 主色调 - 科技蓝绿渐变 */
    --color-primary: #00d4aa;
    --color-primary-dark: #00b894;
    --color-primary-light: #55efc4;
    --color-accent: #fd79a8;
    
    /* 背景色 - 深色主题 */
    --color-bg-dark: #0a0a0f;
    --color-bg: #0f0f17;
    --color-bg-light: #16161f;
    --color-bg-card: #1a1a25;
    --color-bg-hover: #222233;
    
    /* 文字颜色 */
    --color-text: #f8f9fa;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6c6c7c;
    
    /* 边框和分割线 */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.15);
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #00d4aa 0%, #00b4d8 50%, #9b59b6 100%);
    --gradient-hero: linear-gradient(180deg, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    
    /* 字体 */
    --font-primary: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(0, 212, 170, 0.3);
    
    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 布局 */
    --header-height: 80px;
    --container-width: 1280px;
}

/* 重置和基础样式 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

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

/* ====================================
   导航栏
   ================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(15, 15, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    z-index: 1001;
}

.logo-icon {
    width: 32px;
    height: 32px;
    stroke: var(--color-primary);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

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

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-normal);
    transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ====================================
   Hero 区域
   ================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

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

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.15) 0%, transparent 60%);
    filter: blur(60px);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.8; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg-dark);
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.4);
}

.btn-arrow {
    transition: transform var(--transition-fast);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-light);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
}

/* 统计数据 */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease 0.4s both;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    animation: fadeInUp 0.6s ease 0.5s both;
}

.scroll-arrow {
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

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

/* ====================================
   公共部分标题
   ================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header.left-align {
    text-align: left;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-header.left-align .section-desc {
    margin: 0;
}

/* ====================================
   行业痛点对比
   ================================== */
.pain-points {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.pain-points::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.05) 0%, transparent 60%);
    filter: blur(40px);
    pointer-events: none;
}

.comparison-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.comparison-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.comparison-card:hover {
    transform: translateY(-4px);
}

.pain-card {
    border-color: rgba(255, 107, 107, 0.3);
}

.pain-card:hover {
    box-shadow: 0 12px 40px rgba(255, 107, 107, 0.1);
    border-color: rgba(255, 107, 107, 0.5);
}

.benefit-card {
    border-color: rgba(0, 212, 170, 0.3);
}

.benefit-card:hover {
    box-shadow: 0 12px 40px rgba(0, 212, 170, 0.15);
    border-color: rgba(0, 212, 170, 0.5);
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.comparison-header h3 {
    font-size: 1.35rem;
    font-weight: 700;
}

.comparison-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pain-header .comparison-icon {
    background: rgba(255, 107, 107, 0.15);
    color: #ff6b6b;
}

.pain-header .comparison-icon svg {
    stroke: #ff6b6b;
}

.pain-header h3 {
    color: #ff6b6b;
}

.benefit-header .comparison-icon {
    background: rgba(0, 212, 170, 0.15);
    color: var(--color-primary);
}

.benefit-header .comparison-icon svg {
    stroke: var(--color-primary);
}

.benefit-header h3 {
    color: var(--color-primary);
}

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

.comparison-list li {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-fast);
}

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

.pain-item {
    background: rgba(255, 107, 107, 0.05);
}

.pain-item:hover {
    background: rgba(255, 107, 107, 0.1);
}

.benefit-item {
    background: rgba(0, 212, 170, 0.05);
}

.benefit-item:hover {
    background: rgba(0, 212, 170, 0.1);
}

.list-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pain-item .list-icon {
    background: rgba(255, 107, 107, 0.15);
}

.pain-item .list-icon svg {
    stroke: #ff6b6b;
}

.benefit-item .list-icon {
    background: rgba(0, 212, 170, 0.15);
}

.benefit-item .list-icon svg {
    stroke: var(--color-primary);
}

.list-content h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.list-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* 服务定位 */
.target-audience {
    background: linear-gradient(145deg, rgba(0, 212, 170, 0.08) 0%, rgba(0, 180, 216, 0.05) 100%);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.audience-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.audience-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: rgba(0, 212, 170, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.audience-icon svg {
    stroke: var(--color-primary);
}

.audience-text h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.audience-text p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.audience-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* ====================================
   项目案例
   ================================== */
.projects {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-dark);
}

/* 项目分区 */
.project-section {
    margin-bottom: var(--spacing-2xl);
}

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

.project-section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.project-section-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

/* 分区标签样式 */
.section-label {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.section-label.miniprogram-label {
    background: rgba(7, 193, 96, 0.15);
    color: #07c160;
    border: 1px solid rgba(7, 193, 96, 0.3);
}

.section-label.website-label {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.section-label.template-label {
    background: rgba(255, 107, 107, 0.15);
    color: #ff6b6b;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.section-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-left: auto;
}

/* 项目网格 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-lg);
}

.project-card.hidden {
    display: none;
}

.project-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

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

.placeholder-icon {
    width: 48px;
    height: 48px;
    opacity: 0.9;
    stroke: rgba(255, 255, 255, 0.9);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    padding: 12px 24px;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-radius: var(--radius-full);
    font-weight: 600;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-info {
    padding: var(--spacing-md);
}

.project-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.tag {
    padding: 4px 10px;
    background: rgba(0, 212, 170, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.project-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.project-tech span {
    padding: 4px 8px;
    background: var(--color-bg-light);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

/* 小程序专用卡片样式 */
.miniprogram-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.miniprogram-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.miniprogram-card:hover {
    transform: translateY(-6px);
    border-color: rgba(7, 193, 96, 0.4);
    box-shadow: 0 12px 40px rgba(7, 193, 96, 0.15);
}

.miniprogram-qr {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: transparent;
}

.miniprogram-qr img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: #fff;
    padding: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal);
}

.miniprogram-card:hover .miniprogram-qr img {
    transform: scale(1.03);
    box-shadow: 0 8px 30px rgba(7, 193, 96, 0.2);
}

.miniprogram-info {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.miniprogram-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.miniprogram-tags .tag {
    background: rgba(7, 193, 96, 0.1);
    color: #07c160;
}

.miniprogram-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin: var(--spacing-xs) 0;
}

.miniprogram-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    flex: 1;
}

.miniprogram-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: var(--spacing-sm);
}

.miniprogram-tech span {
    padding: 3px 8px;
    background: var(--color-bg-light);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-family: var(--font-mono);
}

/* 模板站样式 */
.template-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.template-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.template-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 107, 107, 0.4);
    box-shadow: 0 12px 40px rgba(255, 107, 107, 0.15);
}

.template-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.template-preview {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg-light);
}

.template-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.template-card:hover .template-preview img {
    transform: scale(1.05);
}

.template-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.template-card:hover .template-overlay {
    opacity: 1;
}

.preview-btn {
    padding: 10px 24px;
    background: #ff6b6b;
    color: #fff;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

.template-card:hover .preview-btn {
    transform: translateY(0);
}

.template-info {
    padding: var(--spacing-md);
}

.template-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.template-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.template-more {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.template-more p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.template-more strong {
    color: #ff6b6b;
    font-size: 1.25rem;
}

.template-contact-btn {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    color: #fff;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.template-contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.35);
}

/* 网站开发卡片样式 */
.website-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.website-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.website-card:hover {
    transform: translateY(-6px);
    border-color: rgba(102, 126, 234, 0.4);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.15);
}

.website-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.website-preview {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg-light);
}

.website-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.website-card:hover .website-preview img {
    transform: scale(1.05);
}

.website-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.website-card:hover .website-overlay {
    opacity: 1;
}

.visit-btn {
    padding: 10px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

.website-card:hover .visit-btn {
    transform: translateY(0);
}

.website-info {
    padding: var(--spacing-md);
}

.website-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.website-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ====================================
   服务流程
   ================================== */
.process {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg);
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
}

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--color-bg-card);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    position: relative;
    z-index: 1;
    transition: all var(--transition-normal);
}

.process-step:hover .step-icon {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    box-shadow: var(--shadow-glow);
}

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

.step-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-xs);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.step-desc {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* 个人优势 */
.advantages {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.advantages-title {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xl);
}

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

.advantage-card {
    text-align: center;
    padding: var(--spacing-md);
}

.advantage-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.advantage-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-primary);
}

.advantage-card h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.advantage-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ====================================
   关于我
   ================================== */
.about {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-dark);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-intro p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

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

.about-philosophy {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--gradient-card);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.about-philosophy blockquote {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-text);
}

.skills-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.skills-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.skills-category {
    margin-bottom: var(--spacing-lg);
}

.skills-category:last-child {
    margin-bottom: 0;
}

.skills-category h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.skill-tags span {
    padding: 6px 14px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.skill-tags span:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* 关于我 - 联系方式卡片 */
.about-contact {
    margin-top: var(--spacing-2xl);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.about-contact-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.about-contact-title svg {
    stroke: var(--color-primary);
}

.about-contact-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.about-qr-grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.about-qr-item {
    text-align: center;
}

.about-qr-wrapper {
    width: 160px;
    height: 160px;
    padding: 12px;
    background: #fff;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.about-qr-wrapper:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.about-qr-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.about-qr-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ====================================
   联系合作（项目咨询表单）
   ================================== */
.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg);
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.info-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

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

.social-links {
    margin-top: var(--spacing-xl);
}

.social-links h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icon {
    width: 44px;
    height: 44px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.social-icon:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-dark);
}

/* 社交媒体区域 */
.social-media-section {
    margin-top: var(--spacing-lg);
}

.social-media-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

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

.social-qr-item {
    text-align: center;
}

.qr-wrapper {
    width: 120px;
    height: 120px;
    padding: 8px;
    background: #fff;
    border-radius: var(--radius-md);
    margin: 0 auto var(--spacing-sm);
    transition: all var(--transition-normal);
}

.qr-wrapper:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.qr-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.qr-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

.social-hint {
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* 联系表单 */
.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

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

.error-message {
    display: block;
    font-size: 0.8rem;
    color: var(--color-accent);
    margin-top: 4px;
    min-height: 20px;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--color-accent);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-sm);
}

/* ====================================
   页脚
   ================================== */
.footer {
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-2xl);
}

.footer-column h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
}

.icp-info {
    margin-top: var(--spacing-xs);
}

.icp-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.beian-icon {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

.icp-info a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.icp-info a:hover {
    color: var(--color-primary);
}

/* ====================================
   返回顶部按钮
   ================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-dark);
}

/* ====================================
   响应式设计
   ================================== */

/* 平板端 */
@media (max-width: 1024px) {
    :root {
        --header-height: 70px;
    }

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

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

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

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

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

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
}

/* 移动端 */
@media (max-width: 768px) {
    :root {
        --spacing-2xl: 3rem;
    }

    /* 导航 */
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: var(--color-bg-dark);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: all var(--transition-normal);
        z-index: 999;
    }

    .nav.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .nav-link {
        font-size: 1.75rem;
        font-weight: 500;
        color: var(--color-text);
        display: block;
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    .nav-link::after {
        display: none;
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--color-primary);
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .header {
        background: transparent;
    }

    .header.scrolled {
        background: rgba(10, 10, 15, 0.95);
    }

    /* Hero - 修复顶部徽章和导航贴合问题 */
    .hero-badge {
        margin-top: var(--spacing-sm);
    }

    /* Hero - 保持统计数据在一排显示 */
    .hero-stats {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: var(--spacing-sm);
        justify-content: center;
    }

    .stat-item {
        flex: 1;
        min-width: 0;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .stat-divider {
        width: 1px;
        height: 30px;
        flex-shrink: 0;
    }

    .scroll-indicator {
        display: none;
    }

    /* 项目 */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .miniprogram-grid {
        grid-template-columns: 1fr;
    }

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

    .website-grid {
        grid-template-columns: 1fr;
    }

    .project-section-header {
        flex-wrap: wrap;
    }

    .section-hint {
        width: 100%;
        margin-left: 0;
        margin-top: var(--spacing-xs);
    }

    /* 流程 */
    .process-timeline::before {
        left: 30px;
    }

    .step-icon {
        width: 60px;
        height: 60px;
    }

    .step-icon svg {
        width: 24px;
        height: 24px;
    }

    .step-title {
        font-size: 1.25rem;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    /* 表单 */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* 关于我 - 联系方式 */
    .about-qr-grid {
        gap: var(--spacing-lg);
    }

    .about-qr-wrapper {
        width: 130px;
        height: 130px;
    }

    /* 页脚已经是居中的，不需要额外调整 */

    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 44px;
        height: 44px;
    }
}

/* 小屏幕移动端 */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

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

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    /* 小屏幕统计数据优化 */
    .hero-stats {
        gap: 0.25rem;
        padding: 0 var(--spacing-xs);
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .stat-divider {
        height: 24px;
        margin: 0 0.25rem;
    }

    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .process-timeline::before {
        display: none;
    }

    .contact-form {
        padding: var(--spacing-md);
    }
}

/* 动画效果 - 滚动触发 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 性能优化 - 减少动画 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* 表单分区提示样式 */
.form-section-hint {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(0, 212, 170, 0.08);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.form-section-hint .hint-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(0, 212, 170, 0.15);
    border-radius: 50%;
    color: var(--color-primary);
}

.form-section-hint .hint-icon svg {
    stroke: var(--color-primary);
}

.form-section-hint .hint-text {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
}

/* 选填标签样式 */
.optional-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    margin-left: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    vertical-align: middle;
}

/* ====================================
   联系方式电话号码
   ==================================== */
.about-contact-phone {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.about-contact-phone a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.about-contact-phone a:hover {
    color: var(--color-primary-light);
    text-shadow: 0 0 20px rgba(0, 212, 170, 0.5);
}

/* ====================================
   服务保障区块
   ==================================== */
.guarantees {
    margin-top: var(--spacing-2xl);
}

.guarantees-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

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

.guarantee-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    position: relative;
}

.guarantee-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.3), rgba(0, 180, 216, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.guarantee-item:hover::before {
    opacity: 1;
}

.guarantee-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.1);
}

.guarantee-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 50%;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.guarantee-icon svg {
    stroke: var(--color-primary);
}

.guarantee-content h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.guarantee-content p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ====================================
   价格参考区块
   ==================================== */
.pricing-reference {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.pricing-subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

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

.pricing-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: left;
    transition: all var(--transition-normal);
}

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

.pricing-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(145deg, rgba(0, 212, 170, 0.08) 0%, var(--color-bg-card) 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    padding: 4px 16px;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.pricing-header h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.pricing-range {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

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

.pricing-note {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-lg);
}

.pricing-note a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.pricing-note a:hover {
    color: var(--color-primary-light);
}

/* ====================================
   移动端专属组件
   ==================================== */

/* 移动端底部固定操作栏 - 默认隐藏 */
.mobile-bottom-bar {
    display: none;
}

/* 移动端浮动微信按钮 - 默认隐藏 */
.mobile-wechat-float {
    display: none;
}

/* 微信弹窗 */
.wechat-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.wechat-modal.active {
    opacity: 1;
    visibility: visible;
}

.wechat-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.wechat-modal-content {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 320px;
    width: 90%;
    text-align: center;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.wechat-modal.active .wechat-modal-content {
    transform: scale(1) translateY(0);
}

.wechat-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-light);
    border: none;
    border-radius: 50%;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.wechat-modal-close:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
}

.wechat-modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.wechat-modal-header p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.wechat-modal-header span {
    color: var(--color-primary);
    font-weight: 600;
}

.wechat-modal-qr {
    padding: var(--spacing-md);
    background: #fff;
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    display: inline-block;
}

.wechat-modal-qr img {
    width: 180px;
    height: 180px;
    object-fit: contain;
}

.wechat-copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: 12px 24px;
    background: #07c160;
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.wechat-copy-btn:hover {
    background: #06ad56;
    transform: translateY(-2px);
}

.wechat-copy-btn.copied {
    background: var(--color-primary);
}

.wechat-modal-tip {
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* 响应式 - 行业痛点对比 */
@media (max-width: 1024px) {
    .comparison-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .comparison-card {
        padding: var(--spacing-lg);
    }

    .comparison-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .comparison-header h3 {
        font-size: 1.2rem;
    }

    .comparison-icon {
        width: 48px;
        height: 48px;
    }

    .comparison-icon svg {
        width: 24px;
        height: 24px;
    }

    .comparison-list li {
        padding: var(--spacing-sm);
    }

    .list-icon {
        width: 32px;
        height: 32px;
    }

    .list-icon svg {
        width: 16px;
        height: 16px;
    }

    .list-content h4 {
        font-size: 0.95rem;
    }

    .list-content p {
        font-size: 0.85rem;
    }

    .audience-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .audience-icon {
        width: 64px;
        height: 64px;
    }

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

    .audience-text h3 {
        font-size: 1.15rem;
    }

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

/* 响应式 - 服务保障 */
@media (max-width: 1024px) {
    .guarantees-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .guarantees-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .guarantee-item {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .guarantee-icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--spacing-sm);
    }

    .guarantee-icon svg {
        width: 24px;
        height: 24px;
    }

    .guarantee-content h4 {
        font-size: 0.95rem;
    }

    .guarantee-content p {
        font-size: 0.8rem;
        line-height: 1.5;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        order: -1;
    }
    
    .about-contact-phone {
        font-size: 1.3rem;
    }

    /* ====================================
       移动端专属组件样式
       ==================================== */
    
    /* 底部固定操作栏 */
    .mobile-bottom-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(15, 15, 23, 0.95);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--color-border);
        padding: 8px 12px;
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
        gap: 8px;
    }

    .mobile-action-btn {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        padding: 10px 8px;
        border: none;
        border-radius: var(--radius-md);
        font-size: 0.75rem;
        font-weight: 600;
        text-decoration: none;
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .mobile-action-btn svg {
        flex-shrink: 0;
    }

    .phone-btn {
        background: rgba(255, 107, 107, 0.15);
        color: #ff6b6b;
    }

    .phone-btn:hover, .phone-btn:active {
        background: #ff6b6b;
        color: #fff;
    }

    .wechat-btn {
        background: rgba(7, 193, 96, 0.15);
        color: #07c160;
    }

    .wechat-btn:hover, .wechat-btn:active {
        background: #07c160;
        color: #fff;
    }

    .consult-btn {
        background: rgba(0, 212, 170, 0.15);
        color: var(--color-primary);
    }

    .consult-btn:hover, .consult-btn:active {
        background: var(--color-primary);
        color: var(--color-bg-dark);
    }

    /* 浮动微信按钮 */
    .mobile-wechat-float {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        right: 16px;
        bottom: 90px;
        width: 56px;
        height: 56px;
        background: #07c160;
        border: none;
        border-radius: 50%;
        color: #fff;
        box-shadow: 0 4px 20px rgba(7, 193, 96, 0.4);
        cursor: pointer;
        z-index: 999;
        transition: all var(--transition-normal);
        animation: floatPulse 2s ease-in-out infinite;
    }

    .mobile-wechat-float:hover, .mobile-wechat-float:active {
        transform: scale(1.1);
        box-shadow: 0 6px 30px rgba(7, 193, 96, 0.5);
    }

    .float-badge {
        position: absolute;
        top: -8px;
        right: -8px;
        padding: 4px 8px;
        background: #ff6b6b;
        color: #fff;
        font-size: 0.65rem;
        font-weight: 700;
        border-radius: var(--radius-full);
        white-space: nowrap;
        animation: badgeBounce 2s ease-in-out infinite;
    }

    @keyframes floatPulse {
        0%, 100% { box-shadow: 0 4px 20px rgba(7, 193, 96, 0.4); }
        50% { box-shadow: 0 4px 30px rgba(7, 193, 96, 0.6); }
    }

    @keyframes badgeBounce {
        0%, 100% { transform: scale(1); }
        50% { transform: scale(1.1); }
    }

    /* 为底部操作栏预留空间 */
    .footer {
        padding-bottom: calc(var(--spacing-lg) + 80px);
    }

    /* 返回顶部按钮位置调整 */
    .back-to-top {
        bottom: 100px;
    }

    /* 微信弹窗移动端优化 */
    .wechat-modal-content {
        max-width: 300px;
        padding: var(--spacing-lg);
    }

    .wechat-modal-qr img {
        width: 160px;
        height: 160px;
    }
}