/* ============================================
   艾基生物 - 解决方案页面共享样式 (浅色主题)
   Light Theme Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;900&family=Playfair+Display:wght@400;600;700&display=swap');

:root {
    --primary: #0076c0;
    --primary-dark: #005a94;
    --primary-light: #0095f0;
    --accent: #E77718;
    --accent-light: #ff9933;
    --bg-body: #f5f7fa;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fa;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --text-light: #aaaaaa;
    --border-color: #e8e8e8;
    --border-light: #f0f0f0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --gradient-1: linear-gradient(135deg, #0076c0 0%, #0095f0 100%);
    --gradient-2: linear-gradient(135deg, #E77718 0%, #ff9933 100%);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-body);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Background Effects - 浅色版
   ============================================ */

.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: orbFloat 20s ease-in-out infinite;
}

.bg-orb--1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #0076c0 0%, transparent 70%);
    top: -150px;
    right: -150px;
    animation-delay: 0s;
}

.bg-orb--2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #E77718 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.bg-orb--3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #0076c0 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
    opacity: 0.08;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -30px) scale(1.05); }
    50% { transform: translate(-15px, 15px) scale(0.95); }
    75% { transform: translate(30px, 20px) scale(1.02); }
}

/* DNA Grid Background - 浅色 */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 118, 192, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 118, 192, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   Modern Tech Header - 现代科技风格头部
   ============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 118, 192, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 30px rgba(0, 118, 192, 0.12);
}

.header-top {
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: #fff;
    font-size: 12px;
    padding: 6px 0;
    position: relative;
    overflow: hidden;
}

.header-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.header-top .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-top a {
    color: #fff;
    text-decoration: none;
    margin-left: 15px;
}

.header-top a:hover {
    color: rgba(255,255,255,0.8);
    text-decoration: underline;
}

.header-main {
    background: transparent;
    padding: 12px 0;
}

/* Logo区域科技感设计 */
.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    position: relative;
}

.logo-area::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.4s ease;
}

.logo-area:hover::after {
    width: 100%;
}

.logo-area img {
    height: 50px;
    filter: drop-shadow(0 2px 8px rgba(0,118,192,0.2));
    transition: transform 0.3s ease;
}

.logo-area:hover img {
    transform: scale(1.05);
}

.company-name {
    display: flex;
    flex-direction: column;
}

.company-name .cn {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.company-name .en {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* 现代导航菜单 */
.main-nav {
    display: flex;
    list-style: none;
    gap: 8px;
}

.main-nav li {
    position: relative;
}

.main-nav li a {
    display: block;
    padding: 10px 18px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    border-radius: 8px;
}

.main-nav li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    border-radius: 8px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
    z-index: -1;
}

.main-nav li a:hover,
.main-nav li a.active {
    color: #fff;
}

.main-nav li a:hover::before,
.main-nav li a.active::before {
    opacity: 1;
    transform: scale(1);
}

.main-nav li a::after {
    display: none;
}

/* 下拉菜单现代风格 */
.has-dropdown {
    position: relative;
}

.has-dropdown .arrow {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    margin-left: 6px;
    transition: transform 0.3s ease;
}

.has-dropdown:hover .arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 240px;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 118, 192, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    list-style: none;
    padding: 12px;
    border: 1px solid rgba(0, 118, 192, 0.1);
    backdrop-filter: blur(20px);
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(255, 255, 255, 0.98);
}

.dropdown-menu li {
    margin: 4px 0;
}

.dropdown-menu li a {
    padding: 12px 16px;
    font-size: 13px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dropdown-menu li a::before {
    display: none;
}

.dropdown-menu li a:hover {
    background: rgba(0, 118, 192, 0.08);
    color: var(--primary);
}

.dropdown-menu li a.current {
    background: var(--gradient-1);
    color: #fff;
}

.dropdown-menu li a.current:hover {
    color: #fff;
}

/* 移动端菜单 */
.mobile-header {
    display: none;
    padding: 12px 20px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.mobile-toggle:hover {
    background: rgba(0,118,192,0.1);
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.open span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: rgba(255,255,255,0.98);
    padding: 80px 24px 24px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow-y: auto;
}

.mobile-nav.open .mobile-nav-content {
    transform: translateX(0);
}

.mobile-nav a {
    display: block;
    padding: 16px 0;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid rgba(0,118,192,0.1);
    transition: all 0.3s ease;
}

.mobile-nav a:hover {
    color: var(--primary);
    padding-left: 10px;
}

.mobile-sub-title {
    padding: 16px 0 8px;
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-sub {
    padding-left: 16px;
}

.mobile-sub a {
    font-size: 14px;
    padding: 12px 0;
    border-bottom: none;
}

.mobile-sub a.active {
    color: var(--primary);
    font-weight: 600;
}

.header-main .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-logo img {
    height: 60px;
}

.header-logo-text h1 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.header-logo-text p {
    font-size: 12px;
    color: #666;
    margin: 0;
}

.main-nav {
    display: flex;
    list-style: none;
    gap: 0;
}

.main-nav li {
    position: relative;
}

.main-nav li a {
    display: block;
    padding: 10px 20px;
    color: #333;
    text-decoration: none;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

.main-nav li a:hover,
.main-nav li a.active {
    color: #0076c0;
}

.main-nav li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #0076c0;
    transition: var(--transition);
    transform: translateX(-50%);
}

.main-nav li a:hover::after,
.main-nav li a.active::after {
    width: 60%;
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    list-style: none;
    padding: 8px 0;
    border: 1px solid var(--border-color);
}

.main-nav li:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    padding: 10px 20px;
    font-size: 14px;
    border-bottom: none;
}

.dropdown-menu li a::after {
    display: none;
}

.dropdown-menu li a:hover {
    background: #f5f7fa;
    color: #0076c0;
}

.dropdown-menu li a.current {
    background: #e6f3fa;
    color: #0076c0;
    font-weight: 500;
}

/* Mobile Header */
.mobile-header {
    display: none;
    padding: 15px 20px;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
}

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

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: #333;
    transition: var(--transition);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 10000;
}

.mobile-nav-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: #fff;
    padding: 20px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-nav.active .mobile-nav-content {
    transform: translateX(0);
}

/* ============================================
   Page Container
   ============================================ */

.page-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

body {
    padding-top: 140px !important;
}

/* ============================================
   Hero Section - 浅色版 + 配图
   ============================================ */

.hero {
    position: relative;
    padding: 80px 0 60px;
    text-align: center;
    background: linear-gradient(180deg, #fff 0%, #f8f9fa 100%);
    border-radius: var(--radius-xl);
    margin-bottom: 40px;
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.hero__image {
    position: relative;
    max-width: 1000px;
    margin: 40px auto 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 118, 192, 0.15);
}

.hero__image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.hero__image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(255,255,255,0.3) 100%);
    pointer-events: none;
}

.hero__image-wrapper {
    position: relative;
}

.hero__image-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 20px;
    background: linear-gradient(180deg, rgba(0,118,192,0.1), transparent);
    border-radius: 50%;
    filter: blur(10px);
}

/* Hero Animation */
.hero__badge {
    animation: fadeInDown 0.8s ease-out;
}

.hero__title {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero__subtitle {
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero__description {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero__image {
    animation: fadeInUp 1s ease-out 0.5s both;
}

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

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

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 28px;
    background: linear-gradient(135deg, #e6f3fa 0%, #d4edfc 100%);
    border: 2px solid #0076c0;
    border-radius: 100px;
    font-size: 16px;
    font-weight: 600;
    color: #0076c0;
    letter-spacing: 1px;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(0, 118, 192, 0.15);
}

.hero__badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #0076c0;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
    font-family: 'Playfair Display', 'Noto Sans SC', serif;
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.hero__title-gradient {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: clamp(14px, 2vw, 18px);
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero__description {
    max-width: 720px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-secondary);
}

/* ============================================
   Quick Nav
   ============================================ */

.quick-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.quick-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: #fff;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.quick-nav a:hover {
    background: #0076c0;
    border-color: #0076c0;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero区域快速导航按钮 */
.hero-quick-nav {
    margin: 20px 0 30px;
}

.quick-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border: 2px solid var(--primary);
    color: var(--primary);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 118, 192, 0.15);
}

.quick-nav-btn:hover {
    background: var(--gradient-1);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 118, 192, 0.3);
}

.quick-nav-btn .btn-icon {
    font-size: 18px;
}

.quick-nav-btn .btn-text {
    letter-spacing: 0.5px;
}

/* ============================================
   Solutions Navigation
   ============================================ */

.solutions-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 60px;
    padding: 20px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.solutions-nav a {
    padding: 16px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    background: #f8f9fa;
    border: 1px solid transparent;
}

.solutions-nav a::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.solutions-nav a:hover::before {
    width: 12px;
    height: 12px;
    background: var(--accent);
}

.solutions-nav a.active::before {
    background: #fff;
    width: 10px;
    height: 10px;
}

.solutions-nav a:hover {
    background: #e6f3fa;
    border-color: #cce7f5;
    color: #0076c0;
    transform: translateX(4px);
}

.solutions-nav a.active {
    background: #0076c0;
    color: #fff;
    border-color: #0076c0;
}

/* ============================================
   Process Flow Section
   ============================================ */

.process-section {
    margin-bottom: 60px;
    text-align: center;
    padding: 40px 0;
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #0076c0;
    margin-bottom: 12px;
}

.section-label::before,
.section-label::after {
    content: '';
    width: 30px;
    height: 1px;
    background: #0076c0;
    opacity: 0.3;
}

.section-title {
    font-family: 'Playfair Display', 'Noto Sans SC', serif;
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
    letter-spacing: -0.3px;
}

.process-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
    position: relative;
}

.process-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    position: relative;
    padding: 0 20px;
}

.process-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    padding: 12px;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.process-circle:hover {
    transform: scale(1.08);
    border-color: #0076c0;
    box-shadow: 0 0 0 4px rgba(0, 118, 192, 0.1);
    color: #0076c0;
}

.process-step-num {
    font-size: 11px;
    color: #0076c0;
    font-weight: 600;
    letter-spacing: 1px;
}

.process-arrow {
    font-size: 20px;
    color: var(--text-light);
    margin: 0 8px;
    align-self: center;
    margin-top: -30px;
}

/* ============================================
   Content Modules - 浅色卡片
   ============================================ */

.content-module {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.content-module::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.content-module.visible {
    opacity: 1;
    transform: translateY(0);
}

.content-module:hover {
    box-shadow: var(--shadow-md);
    border-color: #cce7f5;
}

.content-module:hover::before {
    opacity: 1;
}

.module-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
}

.module-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(0, 118, 192, 0.25);
}

.module-title-group {
    flex: 1;
}

.module-step {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #0076c0;
    margin-bottom: 4px;
}

.module-title {
    font-family: 'Playfair Display', 'Noto Sans SC', serif;
    font-size: clamp(22px, 2.5vw, 28px);
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.2px;
}

.module-content {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 28px;
    padding-left: 76px;
}

/* ============================================
   Services Grid
   ============================================ */

.services-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 14px;
    padding-left: 76px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
    padding-left: 76px;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #f8f9fa;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 400;
}

.service-item::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #0076c0;
    flex-shrink: 0;
    transition: var(--transition);
}

.service-item:hover {
    background: #e6f3fa;
    border-color: #cce7f5;
    color: #0076c0;
    transform: translateX(4px);
}

.service-item:hover::before {
    transform: scale(1.3);
}

/* ============================================
   Modern Tech Footer - 现代科技风格底部
   ============================================ */

.site-footer {
    background: linear-gradient(180deg, #0a1628 0%, #0d1f3a 100%);
    color: #fff;
    padding: 0;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
}

/* 底部装饰网格 */
.site-footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(0, 118, 192, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 118, 192, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px 40px;
    display: flex;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.footer-main {
    display: flex;
    flex: 1;
    gap: 50px;
}

.footer-links {
    flex: 1;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-light);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-links a:hover::before {
    width: 100%;
}

/* 联系信息区域 */
.footer-contact-section {
    width: 360px;
    flex-shrink: 0;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.08);
}

.footer-contact-section .phone {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.footer-contact-section .contact-info {
    margin-bottom: 20px;
}

.footer-contact-section .contact-info p {
    margin: 0 0 8px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact-section .contact-info p::before {
    content: '›';
    color: var(--primary-light);
    font-weight: bold;
}

.footer-contact-section .qr-codes {
    display: flex;
    gap: 16px;
}

.footer-contact-section .qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-contact-section .qr-code-box {
    width: 90px;
    height: 90px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.25);
    line-height: 0;
    font-size: 0;
}

.footer-contact-section .qr-code-box img {
    width: 90px;
    height: 90px;
    object-fit: cover;
    border-radius: 10px;
    display: block;
}

.footer-contact-section .qr-code-label {
    font-size: 11px;
    color: rgba(255,255,255,0.7);
    text-align: center;
}

.footer-contact-section .qr-code {
    width: 100px;
    height: 100px;
    background: #fff;
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.footer-contact-section .qr-code img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

/* 底部版权区域 */
.footer-bottom {
    background: rgba(0,0,0,0.3);
    padding: 25px 0;
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-bottom img {
    height: 35px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-bottom p {
    margin: 0;
    font-size: 12px;
    color: rgba(255,255,255,0.6);
}

.footer-bottom a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* 社交媒体图标 */
.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,118,192,0.4);
}

/* ============================================
   Back to Top
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: #fff;
    border: 1px solid var(--border-color);
    color: #0076c0;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    z-index: 1000;
}

.back-to-top:hover {
    background: #0076c0;
    border-color: #0076c0;
    color: #fff;
    transform: translateY(-3px);
}

.back-to-top.visible {
    display: flex;
}

/* ============================================
   Footer Space
   ============================================ */

.page-footer-space {
    height: 40px;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .solutions-nav {
        grid-template-columns: repeat(2, 1fr);
    }

    .content-module {
        padding: 36px;
    }

    .module-content,
    .services-label,
    .services-grid {
        padding-left: 0;
    }

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

@media (max-width: 768px) {
    body {
        padding-top: 60px !important;
    }

    .header-top,
    .main-nav {
        display: none;
    }

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

    .mobile-toggle {
        display: flex;
    }

    .hero {
        padding: 40px 20px;
    }

    .solutions-nav {
        grid-template-columns: 1fr;
        padding: 16px;
    }

    .process-flow {
        flex-direction: column;
        gap: 16px;
    }

    .process-arrow {
        transform: rotate(90deg);
        margin: 0;
    }

    .content-module {
        padding: 28px 20px;
        border-radius: var(--radius-lg);
    }

    .module-header {
        flex-direction: column;
        gap: 12px;
    }

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

    .quick-nav {
        gap: 10px;
    }

    .quick-nav a {
        padding: 10px 20px;
        font-size: 13px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-main {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .footer-links {
        flex: 1 1 40%;
    }
    
    .footer-contact-section {
        width: 100%;
    }
}

/* ============================================
   Utility
   ============================================ */

.anchor-target {
    scroll-margin-top: 160px;
}

/* ============================================
   Module Image - 各模块配图
   ============================================ */

.module-image {
    position: relative;
    margin: 30px 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 118, 192, 0.1);
}

.module-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.module-image:hover img {
    transform: scale(1.02);
}

.module-image__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: #fff;
    font-size: 13px;
}

/* ============================================
   Feature Cards - 特色卡片
   ============================================ */

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 30px 0;
}

.feature-card {
    position: relative;
    background: linear-gradient(145deg, #fff 0%, #f8f9fa 100%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.4s ease;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 118, 192, 0.15);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card__icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
    box-shadow: 0 8px 24px rgba(0, 118, 192, 0.3);
}

.feature-card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-card__desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Stats Section - 数据展示
   ============================================ */

.stats-section {
    background: var(--gradient-1);
    border-radius: var(--radius-xl);
    padding: 50px;
    margin: 40px 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
    color: #fff;
}

.stats-item__number {
    font-size: 48px;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.stats-item__label {
    font-size: 14px;
    opacity: 0.9;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
        padding: 30px;
    }
    
    .stats-item__number {
        font-size: 36px;
    }
}

/* ============================================
   Timeline - 时间线
   ============================================ */

.timeline {
    position: relative;
    padding: 30px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item__content {
    width: 45%;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary);
}

.timeline-item:nth-child(even) .timeline-item__content {
    border-left: none;
    border-right: 4px solid var(--accent);
}

.timeline-item__marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px var(--primary);
}

@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: row;
        padding-left: 50px;
    }
    
    .timeline-item__content {
        width: 100%;
        border-left: 4px solid var(--primary) !important;
        border-right: none !important;
    }
    
    .timeline-item__marker {
        left: 20px;
    }
}

/* ============================================
   Floating Elements - 悬浮装饰
   ============================================ */

.floating-element {
    position: absolute;
    opacity: 0.1;
    pointer-events: none;
    animation: float 6s ease-in-out infinite;
}

.floating-element--1 {
    top: 10%;
    right: 5%;
    animation-delay: 0s;
}

.floating-element--2 {
    bottom: 20%;
    left: 3%;
    animation-delay: -2s;
}

.floating-element--3 {
    top: 40%;
    left: 8%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* ============================================
   Scroll Reveal Animation
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ============================================
   Smooth Interactions - 丝滑交互增强
   ============================================ */

/* 按钮悬浮效果 */
.btn-smooth {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.btn-smooth:hover::before {
    width: 300px;
    height: 300px;
}

.btn-smooth:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,118,192,0.3);
}

/* 链接下划线动画 */
.link-underline {
    position: relative;
    text-decoration: none;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.link-underline:hover::after {
    width: 100%;
}

/* 卡片悬浮3D效果 */
.card-3d {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
}

.card-3d:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 25px 50px rgba(0,118,192,0.15);
}

/* 图片缩放效果 */
.img-zoom {
    overflow: hidden;
}

.img-zoom img {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.img-zoom:hover img {
    transform: scale(1.08);
}

/* 文字渐变动画 */
.text-gradient-animate {
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

/* 脉冲光晕效果 */
.pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,118,192,0.4); }
    50% { box-shadow: 0 0 20px 10px rgba(0,118,192,0); }
}

/* 磁性按钮效果 */
.magnetic-btn {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.magnetic-btn:hover {
    transform: scale(1.05);
}

/* 玻璃拟态效果 */
.glass {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

/* 霓虹发光效果 */
.neon-glow {
    position: relative;
}

.neon-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-1);
    border-radius: inherit;
    opacity: 0;
    filter: blur(15px);
    transition: opacity 0.3s ease;
    z-index: -1;
}

.neon-glow:hover::before {
    opacity: 0.6;
}

/* 加载动画 */
.loading-shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* 平滑滚动优化 */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* 焦点样式 */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* 选中文字样式 */
::selection {
    background: var(--primary);
    color: #fff;
}

/* ============================================
   Solutions Overview Page - 总览页面样式
   ============================================ */

.solutions-overview {
    margin: 60px 0;
    text-align: center;
}

.solutions-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

@media (max-width: 1024px) {
    .solutions-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .solutions-cards {
        grid-template-columns: 1fr;
    }
}

.solution-card {
    display: block;
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 4px 20px rgba(0, 118, 192, 0.08);
    border: 1px solid var(--border-light);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 118, 192, 0.15);
    border-color: transparent;
}

.solution-card__image {
    height: 180px;
    overflow: hidden;
}

.solution-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.solution-card:hover .solution-card__image img {
    transform: scale(1.1);
}

.solution-card__content {
    padding: 24px;
    text-align: left;
}

.solution-card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.solution-card__subtitle {
    font-size: 12px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.solution-card__desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.solution-card__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    transition: all 0.3s ease;
}

.solution-card:hover .solution-card__link {
    color: var(--accent);
}

/* ============================================
   Advantages Section - 服务优势
   ============================================ */

.advantages-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f4fc 100%);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    margin: 60px 0;
    text-align: center;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 40px;
}

@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

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

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 118, 192, 0.3);
}

.advantage-icon svg {
    width: 32px;
    height: 32px;
    color: #fff;
}

.advantage-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.advantage-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Contact Section - 联系我们
   ============================================ */

.contact-section {
    background: var(--gradient-1);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    margin: 60px 0;
    text-align: center;
    color: #fff;
}

.contact-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-content p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    padding: 14px 36px;
    background: #fff;
    color: var(--primary);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    display: inline-block;
    padding: 14px 36px;
    background: transparent;
    color: #fff;
    text-decoration: none;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* ============================================
   Floating Side Navigation - 左侧悬浮导航
   ============================================ */

.floating-nav {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.floating-nav__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 14px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 118, 192, 0.1);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    white-space: nowrap;
    overflow: hidden;
}

.floating-nav__item:hover {
    background: #fff;
    color: var(--primary);
    transform: translateX(5px);
    box-shadow: 0 8px 30px rgba(0, 118, 192, 0.15);
}

.floating-nav__item.active {
    background: var(--gradient-1);
    color: #fff;
    box-shadow: 0 8px 25px rgba(0, 118, 192, 0.3);
}

.floating-nav__icon {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.floating-nav__item.active .floating-nav__icon {
    background: #fff;
}

.floating-nav__item:hover .floating-nav__icon {
    transform: scale(1.3);
}

@media (max-width: 1200px) {
    .floating-nav {
        display: none;
    }
}

/* ============================================
   Floating QR Code - 右侧悬浮二维码
   ============================================ */

.floating-qrcode {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 118, 192, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.floating-qrcode:hover {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 12px 40px rgba(0, 118, 192, 0.2);
}

.floating-qrcode__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.floating-qrcode__title::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #07c160;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.floating-qrcode__image {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 10px;
    border: 1px solid var(--border-light);
}

.floating-qrcode__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.floating-qrcode__hint {
    font-size: 11px;
    color: var(--text-muted);
}

@media (max-width: 1200px) {
    .floating-qrcode {
        display: none;
    }
}

/* ============================================
   Floating Steps Navigation - 左侧流程步骤导航
   ============================================ */

.floating-steps {
    position: fixed;
    left: 180px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 16px 12px;
    box-shadow: 0 4px 24px rgba(0, 118, 192, 0.12);
    border: 1px solid rgba(0, 118, 192, 0.1);
}

.floating-steps__item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.floating-steps__item:hover {
    background: rgba(0, 118, 192, 0.05);
}

.floating-steps__item.active {
    background: var(--gradient-1);
    box-shadow: 0 4px 16px rgba(0, 118, 192, 0.25);
}

.floating-steps__item.active .floating-steps__name {
    color: #fff;
}

.floating-steps__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #d0d8e0;
    flex-shrink: 0;
    transition: all 0.3s ease;
    position: relative;
}

.floating-steps__item.active .floating-steps__dot {
    background: #fff;
    transform: scale(1.2);
}

.floating-steps__dot::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    width: 1px;
    height: 16px;
    background: #e0e5ea;
    transform: translateX(-50%);
}

.floating-steps__item:last-child .floating-steps__dot::after {
    display: none;
}

.floating-steps__item.active .floating-steps__dot::after {
    background: rgba(255, 255, 255, 0.3);
}

.floating-steps__name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.floating-steps__item:hover .floating-steps__name {
    color: var(--primary);
}

@media (max-width: 1400px) {
    .floating-steps {
        display: none;
    }
}