/**
 * 福州掘金网络科技 - 全站统一科技感样式
 * Modern Tech Premium Design System
 */

/* ============================================
   CSS 变量 - 设计令牌
============================================ */
:root {
    /* 主色 - 科技蓝 */
    --primary-50: #E6F0FF;
    --primary-100: #CCE0FF;
    --primary-500: #0066FF;
    --primary-600: #0052CC;
    --primary-900: #003D99;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    --gradient-bg: linear-gradient(135deg, #0a0a1a 0%, #0d1b2a 50%, #1a1a2e 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    
    /* 中性色 */
    --neutral-50: #FAFAFA;
    --neutral-100: #F5F5F5;
    --neutral-200: #E5E5E5;
    --neutral-500: #A3A3A3;
    --neutral-700: #404040;
    --neutral-900: #171717;
    
    /* 字体 */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    
    /* 间距 */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 动效 */
    --duration-fast: 200ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --easing: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-primary);
    background: #0a0a1a;
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ============================================
   布局容器
============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.section {
    position: relative;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

/* ============================================
   动态背景系统
============================================ */
.page-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.bg-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-bg);
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 102, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.bg-particles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: glowFloat 8s ease-in-out infinite;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.3) 0%, transparent 70%);
    top: -200px;
    right: -100px;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: -3s;
}

.bg-glow-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -5s;
}

@keyframes glowFloat {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
    50% { transform: translate(30px, -30px) scale(1.1); opacity: 0.3; }
}

/* 数据流线条 */
.data-lines {
    position: fixed;
    inset: 0;
    overflow: hidden;
    opacity: 0.2;
    pointer-events: none;
    z-index: -1;
}

.data-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.6), transparent);
    animation: dataFlow 5s linear infinite;
}

.data-line:nth-child(1) { top: 15%; width: 200px; left: -200px; animation-delay: 0s; }
.data-line:nth-child(2) { top: 30%; width: 150px; left: -150px; animation-delay: 1s; }
.data-line:nth-child(3) { top: 50%; width: 180px; left: -180px; animation-delay: 2s; }
.data-line:nth-child(4) { top: 70%; width: 220px; left: -220px; animation-delay: 3s; }
.data-line:nth-child(5) { top: 85%; width: 160px; left: -160px; animation-delay: 4s; }

@keyframes dataFlow {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(100vw + 250px)); }
}

/* ============================================
   顶部导航
============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--duration-normal) var(--easing);
}

.header.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 26, 0.95);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 18px;
    transition: opacity var(--duration-fast);
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.logo-icon svg {
    width: 22px;
    height: 22px;
    color: white;
}

.nav-menu {
    display: flex;
    gap: 36px;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--duration-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    transition: width var(--duration-normal) var(--easing);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: white;
}

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

.header-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.header-contact svg {
    width: 16px;
    height: 16px;
    color: var(--primary-500);
}

/* 微信联系方式 */
.contact-wechat {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all var(--duration-fast) var(--easing);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
}

button.contact-wechat {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 4px 8px;
}

.contact-wechat:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-500);
    transform: translateY(-1px);
}

button.contact-wechat:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.3);
}

.contact-wechat svg {
    width: 16px;
    height: 16px;
    color: #07C160; /* 微信绿 */
}

.contact-wechat span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 500;
}

.contact-wechat:hover span {
    color: white;
}

/* 微信模态弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    z-index: 99999;
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 20px;
    box-sizing: border-box;
}

/* 显示状态 - 使用多个选择器确保兼容性 */
.modal-overlay.show,
.modal-overlay[style*="display: flex"],
.modal-overlay[style*="opacity: 1"] {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
}

.modal-content {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #1a1a2e 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    max-width: 400px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s var(--easing);
    margin: auto;
    flex-shrink: 0;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 16px;
    height: 16px;
    color: rgba(255, 255, 255, 0.7);
}

.modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-header h3 {
    color: var(--primary-500);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.modal-header p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.modal-body {
    text-align: center;
}

.qr-container {
    margin-bottom: 20px;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.05) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.05) 75%),
                linear-gradient(45deg, rgba(255, 255, 255, 0.05) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.05) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    border: 2px dashed rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    border-radius: 12px;
    transition: all var(--duration-normal);
}

.qr-placeholder:hover {
    border-color: var(--primary-500);
    background: rgba(255, 255, 255, 0.02);
}

.qr-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
}

.qr-icon {
    width: 32px;
    height: 32px;
    color: #07C160;
}

.qr-inner span {
    font-size: 12px;
    font-weight: 500;
}

.qr-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
}

.wechat-info {
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.wechat-id {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.wechat-id svg {
    width: 18px;
    height: 18px;
    color: #07C160;
}

.wechat-id span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.wechat-id strong {
    color: #07C160;
    font-size: 16px;
    font-weight: 600;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: white;
    transition: all var(--duration-fast);
}

/* ============================================
   页面标题区
============================================ */
.page-header {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(0, 102, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.page-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-100);
    margin-bottom: var(--space-md);
    backdrop-filter: blur(10px);
}

.page-tag-dot {
    width: 6px;
    height: 6px;
    background: #00ff88;
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.page-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, white 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    max-width: 600px;
    margin: 0 auto;
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: var(--space-lg);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--duration-fast);
}

.breadcrumb a:hover {
    color: var(--primary-500);
}

.breadcrumb svg {
    width: 16px;
    height: 16px;
    opacity: 0.5;
}

/* ============================================
   科技感卡片
============================================ */
.tech-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--duration-normal) var(--easing);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.5), transparent);
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.tech-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 102, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 102, 255, 0.1);
}

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

.card-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    transition: all var(--duration-normal);
}

.tech-card:hover .card-icon {
    background: rgba(0, 102, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 102, 255, 0.3);
    transform: scale(1.05);
}

.card-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-500);
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: white;
}

.card-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* ============================================
   按钮系统
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--duration-normal) var(--easing);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
}

.btn-primary::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: left 0.5s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.5);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--duration-fast);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   网格布局
============================================ */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

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

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

/* ============================================
   章节标题
============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-500);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    color: white;
}

.section-desc {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* ============================================
   统计数字
============================================ */
.stats-row {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    padding: var(--space-xl) 0;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: white;
    line-height: 1;
    margin-bottom: 8px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   时间线
============================================ */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-500), rgba(0, 102, 255, 0.2));
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-xl);
    opacity: 0;
    transform: translateX(-20px);
    animation: slideIn 0.6s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-dot {
    position: absolute;
    left: -44px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--primary-500);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.5);
}

.timeline-dot::before {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid rgba(0, 102, 255, 0.3);
    border-radius: 50%;
    animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.timeline-year {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-500);
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 20px;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* ============================================
   服务流程
============================================ */
.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: var(--space-xl) 0;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.3), transparent);
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
    flex: 1;
    max-width: 180px;
}

.step-number {
    width: 64px;
    height: 64px;
    background: rgba(0, 102, 255, 0.1);
    border: 2px solid rgba(0, 102, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-500);
    margin: 0 auto var(--space-md);
    transition: all var(--duration-normal);
}

.process-step:hover .step-number {
    background: var(--primary-500);
    color: white;
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.5);
    transform: scale(1.1);
}

.step-title {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.step-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   新闻卡片
============================================ */
.news-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration-normal) var(--easing);
}

.news-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 102, 255, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.news-image {
    height: 200px;
    background: rgba(0, 102, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.news-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.2) 0%, transparent 50%);
}

.news-image svg {
    width: 48px;
    height: 48px;
    color: rgba(0, 102, 255, 0.5);
}

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

.news-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: 13px;
}

.news-category {
    padding: 4px 12px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 20px;
    color: var(--primary-500);
    font-weight: 500;
}

.news-date {
    color: rgba(255, 255, 255, 0.4);
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
    transition: color var(--duration-fast);
}

.news-card:hover .news-title {
    color: var(--primary-500);
}

.news-excerpt {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

/* ============================================
   表单样式
============================================ */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 15px;
    color: white;
    transition: all var(--duration-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    background: rgba(0, 102, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1), 0 0 20px rgba(0, 102, 255, 0.1);
}

/* Select 下拉框特殊样式 */
select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300D4FF' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-color: rgba(10, 20, 50, 0.8);
    padding-right: 40px;
    cursor: pointer;
}

select.form-input option {
    background: rgba(15, 30, 60, 0.95);
    color: white;
    padding: 10px;
}

select.form-input option:hover {
    background: rgba(0, 102, 255, 0.4);
    color: white;
}

select.form-input option:checked {
    background: linear-gradient(#0066FF, #0066FF);
    background-color: rgba(0, 102, 255, 0.8);
    color: white;
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   联系信息卡片
============================================ */
.contact-card {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(0, 212, 255, 0.04) 100%);
    border: 2px solid rgba(0, 102, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    transition: all var(--duration-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.6), transparent);
}

.contact-card:hover {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.15) 0%, rgba(0, 212, 255, 0.08) 100%);
    border-color: rgba(0, 212, 255, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.2);
}

.contact-card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.2) 0%, rgba(0, 212, 255, 0.15) 100%);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--duration-normal);
}

.contact-card:hover .contact-card-icon {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, rgba(0, 102, 255, 0.25) 100%);
    border-color: rgba(0, 212, 255, 0.6);
    transform: scale(1.1) rotate(-5deg);
}

.contact-card-icon svg {
    width: 32px;
    height: 32px;
    color: #00D4FF;
    stroke-width: 1.5;
}

.contact-card-title {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin: 0;
}

.contact-card-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    word-break: break-all;
}

.contact-card-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: var(--space-md);
    padding: 12px 24px;
    background: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    transition: all var(--duration-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.contact-card-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.contact-card-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.5);
}

.contact-card-link:hover::before {
    width: 300px;
    height: 300px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-500);
}

.contact-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 4px;
}

.contact-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   页脚
============================================ */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-2xl) 0 var(--space-lg);
    margin-top: var(--space-3xl);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-500), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: var(--space-md);
    max-width: 300px;
    line-height: 1.7;
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-md);
}

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

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: all var(--duration-fast);
}

.footer-links a:hover {
    color: var(--primary-500);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
}

.footer-left {
    flex: 1;
    text-align: left;
}

.footer-center {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
}

.footer-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-sm);
}

.footer-right a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--duration-normal);
    white-space: nowrap;
}

.footer-right a:hover {
    color: var(--primary-500);
}

.copyright {
    margin: 0;
    white-space: nowrap;
}

.divider {
    opacity: 0.3;
}

.record-item {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.record-label {
    color: rgba(255, 255, 255, 0.4);
}

.record-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--duration-normal);
}

.record-link:hover {
    color: var(--primary-500);
}

/* 备案信息样式 */

.record-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.record-link {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color var(--duration-fast);
}

.record-link:hover {
    color: var(--primary-500);
}

/* ============================================
   动画效果
============================================ */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 延迟类 */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ============================================
   响应式设计
============================================ */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        flex-wrap: wrap;
        gap: var(--space-lg);
        justify-content: center;
    }
    
    .process-steps::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-2xl) 0;
    }
    
    .page-header {
        padding: 140px 0 60px;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .stats-row {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .header-contact {
        display: none;
    }
    
    .bg-glow {
        opacity: 0.2;
    }
}

/* ============================================
   Footer 专用样式
============================================ */
.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.footer-logo .logo-icon svg {
    width: 22px;
    height: 22px;
    color: white;
}

.footer-logo span {
    font-size: 16px;
    font-weight: 600;
    color: white;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-normal);
}

.social-link:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.3);
    transform: translateY(-2px);
}

.social-link svg {
    width: 18px;
    height: 18px;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--duration-normal);
}

.social-link:hover svg {
    color: var(--primary-500);
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--duration-normal);
}

.footer-links a:hover {
    color: var(--primary-500);
    padding-left: 4px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.contact-item svg {
    width: 18px;
    height: 18px;
    color: var(--primary-500);
    flex-shrink: 0;
}

.contact-item span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* Footer 响应式设计 */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .record-content {
        flex-direction: column;
        gap: var(--space-xs);
        align-items: center;
    }
    
    /* 移动端模态弹窗优化 */
    .modal-content {
        margin: 20px;
        padding: 24px;
        max-width: calc(100vw - 40px);
    }
    
    .qr-placeholder {
        width: 160px;
        height: 160px;
    }
    
    .footer-social {
        justify-content: center;
    }
}