/* ========================================
   三角洲陪玩网 - 现代电竞平台风格
   深色 + 紫蓝渐变配色
   ======================================== */

/* CSS 变量定义 */
:root {
    /* 主色调 - 深色背景 */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #0f0f18;
    --color-bg-tertiary: #151520;
    --color-bg-card: #1a1a28;
    --color-bg-card-hover: #22223a;
    
    /* 强调色 - 紫蓝渐变 */
    --color-primary: #7c3aed;
    --color-primary-light: #a78bfa;
    --color-primary-dark: #5b21b6;
    --color-secondary: #3b82f6;
    --color-secondary-light: #60a5fa;
    --color-accent: #06b6d4;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #3b82f6 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-glow: linear-gradient(135deg, rgba(124, 58, 237, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
    
    /* 文字颜色 */
    --color-text-primary: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    /* 边框 */
    --color-border: #1e293b;
    --color-border-light: #334155;
    
    /* 字体 */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft YaHei", "PingFang SC", sans-serif;
    --font-display: "Inter", "Microsoft YaHei", sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.3);
    
    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 容器 */
    --container-width: 1280px;
}

/* ========================================
   基础重置
   ======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

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

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

::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-border-light);
    border-radius: var(--radius-full);
}

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

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

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

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

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

/* 渐变文字 */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   按钮样式
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(124, 58, 237, 0.5);
    color: white;
}

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

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(124, 58, 237, 0.1);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    font-size: 0.8em;
}

/* ========================================
   导航栏
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

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

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.875rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
    background: rgba(124, 58, 237, 0.1);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ========================================
   Hero 首页
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(72px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.02)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-lg);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

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

/* ========================================
   通用区块样式
   ======================================== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-dark {
    background: var(--color-bg-secondary);
}

.section-gradient {
    background: 
        linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%),
        var(--color-bg-secondary);
}

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

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-xs);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.section-desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

/* ========================================
   陪玩项目
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

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

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-glow);
    border-radius: var(--radius-md);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.service-content {
    flex: 1;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.service-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.service-tags li {
    padding: 0.25rem 0.75rem;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--color-primary-light);
}

.service-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary-light);
}

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

/* ========================================
   陪玩价格
   ======================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    align-items: stretch;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.pricing-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-5px);
}

.pricing-card.popular {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--gradient-primary);
    color: white;
    padding: 0.35rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 0 var(--radius-xl) 0 var(--radius-md);
}

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

.pricing-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.pricing-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.pricing-body {
    padding: var(--spacing-lg);
    flex: 1;
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.price-currency {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    vertical-align: top;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.pricing-features {
    list-style: none;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li.included {
    color: var(--color-text-primary);
}

.pricing-features li.excluded {
    color: var(--color-text-muted);
}

.feature-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: bold;
}

.included .feature-icon {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.excluded .feature-icon {
    background: rgba(100, 116, 139, 0.2);
    color: var(--color-text-muted);
}

.pricing-footer {
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--gradient-glow);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-lg);
}

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

/* ========================================
   陪玩流程
   ======================================== */
.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
}

.process-step {
    flex: 1;
    min-width: 200px;
    max-width: 260px;
    text-align: center;
    position: relative;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

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

.step-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.step-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.process-line {
    width: 60px;
    height: 2px;
    background: var(--gradient-primary);
    margin-top: 5rem;
    flex-shrink: 0;
    opacity: 0.5;
}

/* ========================================
   护航优势
   ======================================== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.advantage-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.advantage-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.advantage-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.advantage-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   游戏攻略
   ======================================== */
.guides-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-md);
}

.guide-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    grid-column: span 4;
}

.guide-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-3px);
}

.guide-card.featured {
    grid-column: span 8;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.guide-image {
    background: var(--gradient-glow);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.guide-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary-light);
    font-weight: 600;
    opacity: 0.5;
}

.guide-placeholder span:first-child {
    font-size: 3rem;
}

.guide-content {
    padding: var(--spacing-md);
}

.guide-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(124, 58, 237, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-sm);
}

.guide-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.featured .guide-title {
    font-size: 1.25rem;
}

.guide-excerpt {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.guide-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ========================================
   常见问题
   ======================================== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    cursor: pointer;
    list-style: none;
    transition: var(--transition-fast);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    background: var(--color-bg-card-hover);
}

.faq-q {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.faq-text {
    flex: 1;
    font-weight: 600;
}

.faq-arrow {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.faq-item[open] .faq-arrow {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    padding-left: calc(var(--spacing-md) + 28px + var(--spacing-sm));
}

.faq-answer p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ========================================
   相关资讯
   ======================================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-md);
}

.news-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    grid-column: span 4;
}

.news-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-3px);
}

.news-card.large {
    grid-column: span 6;
}

.news-image {
    height: 180px;
    background: var(--gradient-glow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-placeholder {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-light);
    opacity: 0.3;
}

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

.news-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--color-secondary-light);
    margin-bottom: var(--spacing-xs);
}

.news-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.news-excerpt {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.news-date {
    color: var(--color-text-muted);
}

.news-link {
    font-weight: 600;
    color: var(--color-primary-light);
}

/* ========================================
   联系预约
   ======================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.method-icon {
    font-size: 1.5rem;
}

.method-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

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

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

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

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%2394a3b8" stroke-width="2"><polyline points="6,9 12,15 18,9"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
}

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

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

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

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

.footer-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    max-width: 300px;
}

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

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        border-bottom: 1px solid var(--color-border);
        max-height: calc(100vh - 72px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
    }
    
    .nav-actions {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guide-card {
        grid-column: span 6;
    }
    
    .guide-card.featured {
        grid-column: span 12;
    }
    
    .news-card {
        grid-column: span 6;
    }
    
    .news-card.large {
        grid-column: span 12;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-desc {
        max-width: none;
    }
    
    .footer-links {
        justify-items: center;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-2xl: 3.5rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .process-step {
        max-width: 100%;
    }
    
    .process-line {
        width: 2px;
        height: 30px;
        margin: 0;
    }
    
    .guide-card,
    .guide-card.featured {
        grid-column: span 12;
    }
    
    .guide-card.featured {
        grid-template-columns: 1fr;
    }
    
    .news-card,
    .news-card.large {
        grid-column: span 12;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .stat-card {
        padding: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}