/* 星海科技网站主样式 - 严格按照设计图 */
:root {
    /* 主题色 - 深蓝色调 */
    --primary-color: #0a1628;
    --primary-dark: #070f1a;
    --primary-light: #0d1f35;
    --secondary-color: #1a3a5c;

    /* 强调色 - 蓝色 */
    --accent-color: #2563eb;
    --accent-light: #3b82f6;
    --accent-dark: #1d4ed8;
    --accent-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);

    /* 文字颜色 */
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --text-light: #94a3b8;
    --white: #ffffff;
    --white-90: rgba(255, 255, 255, 0.9);
    --white-75: rgba(255, 255, 255, 0.75);
    --white-60: rgba(255, 255, 255, 0.6);
    --white-50: rgba(255, 255, 255, 0.5);

    /* 背景色 */
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-dark: #0a1628;
    --bg-darker: #070f1a;

    /* 边框颜色 */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;

    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);

    /* 其他 */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s ease;
    --container-width: 1200px;
    --spacing-section: 100px;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 容器 */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    text-decoration: none !important;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    outline: none;
}

/* 所有链接和按钮去掉下划线 */
a {
    text-decoration: none !important;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.btn-outline {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
    z-index: 0;
}

.btn-outline span {
    position: relative;
    z-index: 1;
}

.btn-outline:hover {
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-outline:hover::before {
    transform: translateX(0);
}

.btn-white {
    background: var(--white);
    color: var(--accent-color);
    font-weight: 600;
}

.btn-white:hover {
    background: var(--bg-light);
}

/* 章节通用样式 */
.section {
    padding: var(--spacing-section) 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.section-title p {
    font-size: 16px;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ==================== 头部导航样式 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.header.scrolled {
    background: rgba(10, 22, 40, 0.98);
    padding: 8px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    transition: padding 0.3s ease;
}

.header.scrolled .header-container {
    padding: 12px 0;
}

.logo-container {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
    transition: transform 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.02);
}

.logo-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(37, 99, 235, 0.3));
    transition: filter 0.3s ease;
}

.logo-container:hover .logo-icon img {
    filter: drop-shadow(0 2px 12px rgba(37, 99, 235, 0.5));
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
    margin: 0;
}

.nav-links li a {
    color: var(--white-75);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 18px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-radius: 8px;
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.nav-links li a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.nav-links li a:hover::before {
    width: 200%;
    height: 200%;
}

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.nav-links li a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    border-radius: 2px;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown>a {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropdown>a i {
    font-size: 12px;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.dropdown:hover>a i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    list-style: none;
    margin-top: 12px;
}

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

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 20px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    position: relative;
}

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

.dropdown-menu li a:hover {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(59, 130, 246, 0.08) 100%);
    color: var(--accent-color);
    transform: translateX(4px);
    padding-left: 24px;
}

.dropdown-menu li a i {
    font-size: 18px;
    width: 22px;
    text-align: center;
    color: var(--text-gray);
    transition: color 0.3s ease;
}

.dropdown-menu li a:hover i {
    color: var(--accent-color);
}

/* 导航按钮 */
.nav-btn {
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

/* 立即咨询下拉菜单 */
.consult-dropdown .dropdown-menu {
    right: 0;
    left: auto;
    min-width: 180px;
    margin-top: 8px;
    /* 减少边距，防止悬停中断 */
}

.consult-dropdown .dropdown-menu li a {
    padding: 12px 20px;
}

.consult-dropdown .dropdown-menu li a i {
    font-size: 18px;
    width: 24px;
}

/* 立即咨询下拉菜单图标颜色 */
.consult-dropdown .dropdown-menu li a .fa-telegram {
    color: #0088cc;
}

.consult-dropdown .dropdown-menu li a .fa-whatsapp {
    color: #25D366;
}

.nav-btn::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 0.4s ease, height 0.4s ease;
}

.nav-btn:hover::before {
    width: 300%;
    height: 300%;
}

.nav-btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    color: var(--white);
}

.nav-btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent-color) 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    padding: 12px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

/* ==================== Hero区域 ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, rgba(10, 22, 40, 0.92) 0%, rgba(13, 31, 53, 0.88) 40%, rgba(10, 22, 40, 0.92) 100%),
        url('https://images.pexels.com/photos/3183150/pexels-photo-3183150.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(29, 78, 216, 0.1) 0%, transparent 50%);
    pointer-events: none;
    animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 2;
    padding: 80px 0;
}

.hero-badge {
    display: inline-block;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    color: var(--white-75);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 28px;
    animation: fadeInUp 0.8s ease-out;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

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

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.3;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero h1 span {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 17px;
    color: var(--white-60);
    margin-bottom: 80px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}



/* 统计数据 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero-stat {
    text-align: center;
    transition: transform 0.3s ease;
}

.hero-stat:hover {
    transform: translateY(-5px);
}

.hero-stat-number {
    font-size: 52px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1;
    text-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
}

.hero-stat-label {
    font-size: 15px;
    color: var(--white-60);
    font-weight: 500;
}

/* ==================== 服务区域 ==================== */
.services-section {
    background: var(--bg-white);
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 45px 35px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
    border-color: var(--accent-light);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    color: var(--white);
    position: relative;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.4);
}

.service-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

.service-card>p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}

.service-features {
    list-style: none;
    text-align: left;
    position: relative;
    z-index: 1;
}

.service-features li {
    color: var(--text-gray);
    font-size: 13px;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    transition: all 0.3s ease;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
}

.service-card:hover .service-features li {
    color: var(--text-dark);
}

.service-card:hover .service-features li::before {
    transform: translateY(-50%) scale(1.3);
}

/* ==================== 问题困扰区域 ==================== */
.problems-section {
    background: var(--bg-light);
    position: relative;
}

.problems-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.problem-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 45px 35px;
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.03) 0%, rgba(248, 113, 113, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.3);
}

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

.problem-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(248, 113, 113, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 36px;
    color: #ef4444;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.15);
}

.problem-card:hover .problem-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(239, 68, 68, 0.25);
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

.problem-card>p {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}

.problem-features {
    list-style: none;
    text-align: left;
    padding: 0;
    position: relative;
    z-index: 1;
}

.problem-features li {
    color: var(--text-gray);
    font-size: 14px;
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    transition: all 0.3s ease;
}

.problem-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: linear-gradient(135deg, #ef4444, #f87171);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
    transition: all 0.3s ease;
}

.problem-card:hover .problem-features li {
    color: var(--text-dark);
}

.problem-card:hover .problem-features li::before {
    transform: translateY(-50%) scale(1.3);
}

/* ==================== 为什么选择我们 ==================== */
.why-section {
    background: var(--bg-white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    background: var(--accent-gradient);
    border-radius: var(--border-radius);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    color: var(--white);
}

.why-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.why-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: var(--white);
}

.why-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--white);
}

.why-card p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    line-height: 1.7;
}

/* ==================== 流程区域 ==================== */
.process-section {
    background: var(--bg-light);
}

.process-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.process-line {
    position: absolute;
    top: 60px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
    z-index: 0;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.process-step {
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.step-box {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 24px 20px;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    min-width: 150px;
    margin-bottom: 35px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.step-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.process-step:hover .step-box {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--accent-light);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
}

.process-step:hover .step-box::before {
    opacity: 1;
}

.step-box h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.step-box p {
    font-size: 13px;
    color: var(--text-gray);
    margin: 0;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: var(--white);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 2;
}

.process-step:hover .step-number {
    transform: scale(1.15);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.4);
}

/* ==================== FAQ区域 ==================== */
.faq-section {
    background: var(--bg-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover h3 {
    color: var(--accent-color);
}

.faq-question h3 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    margin: 0;
}

.faq-toggle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    font-size: 12px;
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    background: var(--accent-color);
    color: var(--white);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 0 20px;
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* ==================== CTA区域 ==================== */
.cta-section {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.92) 0%, rgba(29, 78, 216, 0.92) 100%),
        url('https://images.pexels.com/photos/3183150/pexels-photo-3183150.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
    padding: 100px 0;
    text-align: center;
}

/* 不同平台的 CTA 区域背景 */
.cta-section.facebook {
    background: linear-gradient(rgba(24, 119, 242, 0.9), rgba(29, 78, 216, 0.9)),
        url('https://images.pexels.com/photos/4348404/pexels-photo-4348404.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.cta-section.tiktok {
    background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(26, 26, 46, 0.9)),
        url('https://images.pexels.com/photos/6064545/pexels-photo-6064545.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.cta-section.kwai {
    background: linear-gradient(rgba(255, 85, 0, 0.85), rgba(255, 85, 0, 0.75)),
        url('https://images.pexels.com/photos/3184360/pexels-photo-3184360.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.cta-section.google {
    background: linear-gradient(rgba(66, 133, 244, 0.85), rgba(52, 168, 83, 0.75)),
        url('https://images.pexels.com/photos/3184460/pexels-photo-3184460.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

/* 团队介绍区域 */
.team-section {
    background: linear-gradient(rgba(10, 22, 40, 0.9), rgba(10, 22, 40, 0.85)),
        url('https://images.pexels.com/photos/3829156/pexels-photo-3829156.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
    padding: 100px 0;
    text-align: center;
    color: var(--white);
}

/* 不同平台的团队区域背景 */
.team-section.tiktok {
    background: linear-gradient(rgba(0, 0, 0, 0.9), rgba(26, 26, 46, 0.85)),
        url('https://images.pexels.com/photos/6064545/pexels-photo-6064545.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.team-section.kwai {
    background: linear-gradient(rgba(255, 85, 0, 0.9), rgba(255, 85, 0, 0.85)),
        url('https://images.pexels.com/photos/3184360/pexels-photo-3184360.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.team-section.google {
    background: linear-gradient(rgba(66, 133, 244, 0.85), rgba(52, 168, 83, 0.75)),
        url('https://images.pexels.com/photos/3184460/pexels-photo-3184460.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.team-section.facebook {
    background: linear-gradient(rgba(24, 119, 242, 0.85), rgba(29, 78, 216, 0.75)),
        url('https://images.pexels.com/photos/4348404/pexels-photo-4348404.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--white-75);
    margin-bottom: 32px;
    font-size: 16px;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 80px 0 30px;
    width: 100%;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-desc {
    color: var(--white-60);
    font-size: 14px;
    line-height: 1.8;
    margin-top: 20px;
    max-width: 300px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--white);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--white-60);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--white-60);
    font-size: 14px;
}

.footer-contact li i {
    color: var(--accent-light);
    margin-top: 4px;
    font-size: 14px;
}

.footer-contact li a {
    color: var(--accent-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-contact li a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--white-50);
    font-size: 13px;
}

/* ==================== 各页面特定样式 ==================== */

/* Hero Section 通用样式 */
.hero-section {
    padding: 160px 0 100px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
}

.hero-feature i {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.hero-feature span {
    font-size: 14px;
    text-align: left;
    line-height: 1.4;
}

/* Kwai 页面样式 */
.hero-section.kwai {
    background: linear-gradient(180deg, rgba(255, 85, 0, 0.85) 0%, rgba(255, 85, 0, 0.75) 50%, rgba(10, 22, 40, 0.85) 100%),
        url('https://images.pexels.com/photos/3184360/pexels-photo-3184360.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.hero-section.kwai::before {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(255, 140, 0, 0.15) 0%, transparent 50%);
}

.btn-kwai-orange {
    padding: 14px 32px;
    background: #ffffff;
    color: #FF5500;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    transition: var(--transition);
    border: none;
}

.btn-kwai-orange:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-outline-white {
    padding: 14px 32px;
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.value-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.value-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.value-image {
    width: 100%;
    max-width: 500px;
    height: 350px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.value-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.value-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.value-text>p {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 32px;
}

.value-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.value-point {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
}

.value-point i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FF5500, #FF8C00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 20px;
    color: var(--white);
}

.value-point h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.value-buttons {
    display: flex;
    gap: 16px;
}

.btn-telegram {
    padding: 12px 24px;
    background: #0088cc;
    color: var(--white);
    border-radius: 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* TikTok 页面样式 */
.hero-section.tiktok {
    background: linear-gradient(180deg, rgba(1, 1, 1, 0.88) 0%, rgba(26, 26, 46, 0.82) 50%, rgba(1, 1, 1, 0.88) 100%),
        url('https://images.pexels.com/photos/6064545/pexels-photo-6064545.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.hero-section.tiktok::before {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(255, 0, 80, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 242, 234, 0.2) 0%, transparent 50%);
}

/* Facebook 页面样式 */
.hero-section.facebook {
    background: linear-gradient(180deg, rgba(24, 119, 242, 0.85) 0%, rgba(24, 119, 242, 0.7) 50%, rgba(10, 22, 40, 0.85) 100%),
        url('https://images.pexels.com/photos/4348404/pexels-photo-4348404.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.hero-section.facebook::before {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(37, 99, 235, 0.2) 0%, transparent 50%);
}

/* Google 页面样式 */
.hero-section.google {
    background: linear-gradient(180deg, rgba(66, 133, 244, 0.85) 0%, rgba(52, 168, 83, 0.75) 50%, rgba(10, 22, 40, 0.85) 100%),
        url('https://images.pexels.com/photos/3184460/pexels-photo-3184460.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
}

.hero-section.google::before {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
}

/* 其他按钮样式 */
.btn-telegram-large {
    padding: 16px 40px;
    font-size: 18px;
    background: #0088cc;
    color: var(--white);
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-telegram-large:hover {
    background: #0077b3;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 136, 204, 0.3);
}

.btn-whatsapp-large {
    padding: 16px 40px;
    font-size: 18px;
    background: #25D366;
    color: var(--white);
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-whatsapp-large:hover {
    background: #20BD5A;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

/* 案例相关样式 */
.case-image {
    width: 100%;
    height: 220px;
    position: relative;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 联系我们相关样式 */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.qr-code-large {
    width: 180px;
    height: 180px;
    margin: 0 auto 30px;
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    font-size: 14px;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.btn-telegram {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.95) 0%, rgba(29, 78, 216, 0.95) 100%),
        url('https://images.pexels.com/photos/3183150/pexels-photo-3183150.jpeg?auto=compress&cs=tinysrgb&w=2070') center/cover no-repeat;
    padding: 140px 0 100px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 70%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    animation: pulseGlow 10s ease-in-out infinite;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 18px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out;
}

.page-header p {
    font-size: 17px;
    color: var(--white-75);
    max-width: 700px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {

    .services-grid,
    .problems-grid,
    .why-grid,
    .detail-service-grid,
    .platform-service-grid,
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .process-line {
        display: none;
    }

    .process-steps {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
    }

    .process-step {
        flex: 0 0 calc(33.333% - 16px);
    }

    .hero h1 {
        font-size: 40px;
    }

    .page-header h1 {
        font-size: 38px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-stats {
        gap: 40px;
    }

    .hero-stat-number {
        font-size: 36px;
    }

    .services-grid,
    .problems-grid,
    .why-grid,
    .detail-service-grid,
    .platform-service-grid,
    .advantage-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .process-step {
        flex: 0 0 calc(50% - 12px);
    }

    .section-title h2 {
        font-size: 28px;
    }

    .cta-section h2 {
        font-size: 28px;
    }

    .page-header h1 {
        font-size: 32px;
    }

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

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

@media (max-width: 576px) {
    .hero h1 {
        font-size: 26px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .section-title h2 {
        font-size: 24px;
    }

    .hero-stat-number {
        font-size: 32px;
    }

    .hero-stats {
        gap: 24px;
    }

    .process-step {
        flex: 0 0 100%;
    }

    .page-header h1 {
        font-size: 26px;
    }

    .cta-section h2 {
        font-size: 26px;
    }

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

/* 移动端菜单样式 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        padding: 80px 20px 20px;
        gap: 20px;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        height: 100vh;
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-links {
        flex-direction: column;
        gap: 10px;
        width: 100%;
        display: none;
    }

    .nav-menu.active .nav-links {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links li a {
        display: block;
        padding: 12px 16px;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(255, 255, 255, 0.05);
        box-shadow: none;
        margin-top: 0;
        display: none;
        border: none;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown-menu li a {
        color: var(--white-75);
    }

    .dropdown-menu li a:hover {
        background: transparent;
        color: var(--white);
    }
}

/* 案例卡片颜色样式 */
.case-header.color-purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
}

.case-header.color-purple-dark {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.case-header.color-orange {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.case-header.color-orange-light {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
}

.case-header.color-orange-dark {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

.case-header.color-red {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.case-header.color-red-light {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
}

.case-header.color-cyan {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
}

.case-header.color-cyan-light {
    background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%);
}

.case-header.color-green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.case-header.color-green-light {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.case-header.color-lime {
    background: linear-gradient(135deg, #84cc16 0%, #65a30d 100%);
}

.case-header.color-lime-light {
    background: linear-gradient(135deg, #84cc16 0%, #a3e635 100%);
}

.case-header.color-indigo {
    background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
}

.case-header.color-pink {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
}

.case-header.color-pink-light {
    background: linear-gradient(135deg, #f472b6 0%, #f9a8d4 100%);
}

/* 案例卡片带背景图的颜色样式 */
.case-header.color-blue-bg {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.85) 0%, rgba(59, 130, 246, 0.85) 100%), url('https://images.pexels.com/photos-1511512578047-dfb367046420.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-purple-bg {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.85) 0%, rgba(139, 92, 246, 0.85) 100%), url('https://images.pexels.com/photos/3184460/pexels-photo-3184460.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-purple-light-bg {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.85) 0%, rgba(167, 139, 250, 0.85) 100%), url('https://images.pexels.com/photos-6311478/pexels-photo-6311478.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-green-bg {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.85) 0%, rgba(52, 211, 153, 0.85) 100%), url('https://images.pexels.com/photos-1640776/pexels-photo-1640776.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-red-bg {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.85) 0%, rgba(239, 68, 68, 0.85) 100%), url('https://images.pexels.com/photos/4246109/pexels-photo-4246109.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-pink-bg {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.85) 0%, rgba(190, 24, 93, 0.85) 100%), url('https://images.pexels.com/photos-3065096/pexels-photo-3065096.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-pink-dark-bg {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.85) 0%, rgba(219, 39, 119, 0.85) 100%), url('https://images.pexels.com/photos-3373745/pexels-photo-3373745.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-orange-bg {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.85) 0%, rgba(251, 191, 36, 0.85) 100%), url('https://images.pexels.com/photos-557956/pexels-photo-557956.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-orange-red-bg {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.85) 0%, rgba(251, 146, 60, 0.85) 100%), url('https://images.pexels.com/photos-302899/pexels-photo-302899.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-lime-bg {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.85) 0%, rgba(22, 163, 74, 0.85) 100%), url('https://images.pexels.com/photos/5699455/pexels-photo-5699455.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-indigo-bg {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.85) 0%, rgba(129, 140, 248, 0.85) 100%), url('https://images.pexels.com/photos-45170/pexels-photo-45170.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-violet-bg {
    background: linear-gradient(135deg, rgba(76, 29, 149, 0.85) 0%, rgba(109, 40, 217, 0.85) 100%), url('https://images.pexels.com/photos/3183150/pexels-photo-3183150.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-blue-alt-bg {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.85) 0%, rgba(59, 130, 246, 0.85) 100%), url('https://images.pexels.com/photos-2582937/pexels-photo-2582937.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-cyan-bg {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.85) 0%, rgba(34, 211, 238, 0.85) 100%), url('https://images.pexels.com/photos-6492400/pexels-photo-6492400.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-teal-bg {
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.85) 0%, rgba(14, 116, 144, 0.85) 100%), url('https://images.pexels.com/photos/1581094792592-782917cb9db2.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-amber-bg {
    background: linear-gradient(135deg, rgba(124, 45, 18, 0.85) 0%, rgba(146, 64, 14, 0.85) 100%), url('https://images.pexels.com/photos/1531403009284-440f080d1e12.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

.case-header.color-red-light-bg {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.85) 0%, rgba(248, 113, 113, 0.85) 100%), url('https://images.pexels.com/photos-3661356/pexels-photo-3661356.jpeg?auto=compress&cs=tinysrgb&w=600') center/cover no-repeat;
}

/* Service icon 图标容器样式 */
.service-icon.with-image {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.service-icon.with-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 联系按钮容器 */
.contact-cta-container {
    display: flex;
    justify-content: center;
}

/* 联系按钮特殊样式 */
.btn-telegram.btn-large {
    padding: 16px 40px;
    font-size: 18px;
    width: 240px;
}

/* 特殊背景色按钮 */
.btn-telegram.bg-youtube {
    background: #4285F4;
}

.btn-telegram.bg-kwai {
    background: #FF5500;
}

.btn-telegram.bg-whatsapp {
    background: #25D366;
}

/* 二维码图片样式 */
.qr-code-large img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ==================== 缺失的 CSS 类定义 ==================== */

/* Case 页面样式 */
.cases-section {
    padding: var(--spacing-section) 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.case-header {
    padding: 40px;
    text-align: center;
    color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.case-header i {
    font-size: 40px;
    margin-bottom: 15px;
}

.case-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}

.case-content {
    padding: 30px;
}

.case-content h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 22px;
}

.case-content p {
    color: var(--text-gray);
    line-height: 1.8;
}

.case-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

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

.case-stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.case-stat-label {
    font-size: 14px;
    color: var(--text-gray);
}

.cases-cta {
    text-align: center;
    margin-top: 50px;
}

/* 筛选按钮样式 */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 30px;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-gray);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
}

.filter-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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

/* 通用统计样式 */
.stats-section {
    padding: var(--spacing-section) 0;
    background: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-gray);
}

/* 子标题样式 */
.subtitle {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 30px;
}

/* 按钮变体样式 */
.btn-google-white {
    background: var(--white);
    color: #4285F4;
    border: 2px solid var(--white);
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.btn-google-white:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary-blue {
    background: linear-gradient(135deg, #4285F4 0%, #5fa8ff 100%);
    border-color: #4285F4;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(66, 133, 244, 0.3);
}

.btn-primary-blue:hover {
    background: linear-gradient(135deg, #3367D6 0%, #4285F4 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(66, 133, 244, 0.4);
}

.btn-tiktok-pink {
    background: linear-gradient(135deg, #FE2C55 0%, #ff4d7a 100%);
    border-color: #FE2C55;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(254, 44, 85, 0.3);
}

.btn-tiktok-pink:hover {
    background: linear-gradient(135deg, #e0264a 0%, #FE2C55 100%);
    border-color: #e0264a;
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(254, 44, 85, 0.4);
}

.btn-kwai-orange {
    background: linear-gradient(135deg, #FF5500 0%, #ff7b33 100%);
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(255, 85, 0, 0.3);
}

.btn-kwai-orange:hover {
    background: linear-gradient(135deg, #E04D00 0%, #FF5500 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255, 85, 0, 0.4);
}

/* Contact 页面样式 */
.contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-decoration: none;
    padding: 16px 36px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.contact-btn.telegram {
    background: linear-gradient(135deg, #0088cc 0%, #00a8e8 100%);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(0, 136, 204, 0.3);
}

.contact-btn.telegram:hover {
    background: linear-gradient(135deg, #0077b5 0%, #0088cc 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 136, 204, 0.4);
}

.contact-btn.whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #34d77e 100%);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.contact-btn.whatsapp:hover {
    background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.online-service-card {
    background: var(--bg-white);
    padding: 50px 40px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
}

.online-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
    border-color: var(--accent-light);
}

.scan-text {
    margin-top: 18px;
    color: var(--text-gray);
    font-size: 16px;
    font-weight: 500;
}

/* CTA 样式 */
.cta-section {
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 40px;
    font-weight: 800;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-content p {
    color: var(--white-90);
    font-size: 18px;
    margin-bottom: 35px;
}

.cta-section .btn-white {
    padding: 16px 40px;
    font-size: 17px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cta-section .btn-white:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* Label 样式 */
.label {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

/* Num 样式（用于编号） */
.num {
    font-weight: 700;
    color: var(--accent-color);
}

/* About 页面样式 */
.about-intro {
    padding: 80px 0;
    position: relative;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}



.intro-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
    line-height: 1.4;
}

.intro-text p {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 20px;
}



.intro-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
    border-color: var(--accent-light);
}

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

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 8px;
    line-height: 1;
    position: relative;
    z-index: 1;
}

.stat-label {
    font-size: 15px;
    color: var(--text-gray);
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.mission-section {
    padding: var(--spacing-section) 0;
    position: relative;
}

.mission-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mission-card {
    background: var(--bg-white);
    padding: 45px 35px;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.mission-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.15);
    border-color: var(--accent-light);
}

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

.mission-icon {
    width: 85px;
    height: 85px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 38px;
    color: var(--white);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.mission-card:hover .mission-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.4);
}

.mission-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

.mission-card p {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.values-section {
    padding: var(--spacing-section) 0;
    background: var(--bg-light);
    position: relative;
}

.values-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
}



.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.value-item {
    text-align: center;
    padding: 35px 25px;
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.value-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
    border-color: var(--accent-light);
}

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

.value-item i {
    font-size: 42px;
    margin-bottom: 18px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: inline-block;
}

.value-item:hover i {
    transform: scale(1.15) rotate(5deg);
}

.value-item h4 {
    color: var(--text-dark);
    margin: 18px 0 12px;
    position: relative;
    z-index: 1;
}

.value-item p {
    color: var(--text-gray);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

/* Footer 样式 */
.footer-about {
    margin-bottom: 20px;
}

.footer-about p {
    color: var(--white-75);
    line-height: 1.8;
}

/* 广告类型样式 */
.ad-types-section {
    padding: var(--spacing-section) 0;
}

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

.ad-type-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.ad-type-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.ad-type-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 45px;
    color: var(--white);
}

.ad-type-card h3 {
    color: var(--text-dark);
    margin: 20px 0 15px;
}

.ad-type-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 优势样式 */
.advantage-section {
    padding: 100px 0;
    background: var(--bg-light);
    position: relative;
}

.advantage-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
    border-color: var(--accent-light);
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: var(--white);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.4);
}

.advantage-card h3 {
    color: var(--text-dark);
    margin: 0 0 16px 0;
    font-size: 19px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.advantage-card p {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* 平台服务样式 */
.platform-service-section {
    padding: 100px 0;
    background: var(--bg-light);
    position: relative;
}

.platform-service-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
}

.platform-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.platform-service-card {
    background: var(--bg-white);
    padding: 45px 35px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.platform-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.platform-service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.15);
    border-color: var(--accent-light);
}

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

.platform-service-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    font-size: 38px;
    color: var(--white);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.platform-service-card:hover .platform-service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.4);
}

.platform-service-card.facebook .platform-service-icon {
    background: linear-gradient(135deg, #1877f2 0%, #3b82f6 100%);
}

.platform-service-card.tiktok .platform-service-icon {
    background: linear-gradient(135deg, #fe2c55 0%, #25f4ee 100%);
}

.platform-service-card.kwai .platform-service-icon {
    background: linear-gradient(135deg, #ff5500 0%, #ff8c00 100%);
}

.platform-service-card.google .platform-service-icon {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
}

.platform-service-card h3 {
    color: var(--text-dark);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.platform-service-card p {
    color: var(--text-gray);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.platform-service-card .btn-outline {
    margin-top: 20px;
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: transparent;
    cursor: pointer;
}

.platform-service-card .btn-outline:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.platform-service-card.facebook .btn-outline {
    border-color: #1877f2;
    color: #1877f2;
}

.platform-service-card.facebook .btn-outline:hover {
    background: #1877f2;
    color: var(--white);
    box-shadow: 0 8px 20px rgba(24, 119, 242, 0.3);
}

.platform-service-card.tiktok .btn-outline {
    border-color: #fe2c55;
    color: #fe2c55;
}

.platform-service-card.tiktok .btn-outline:hover {
    background: #fe2c55;
    color: var(--white);
    box-shadow: 0 8px 20px rgba(254, 44, 85, 0.3);
}

.platform-service-card.kwai .btn-outline {
    border-color: #ff5500;
    color: #ff5500;
}

.platform-service-card.kwai .btn-outline:hover {
    background: #ff5500;
    color: var(--white);
    box-shadow: 0 8px 20px rgba(255, 85, 0, 0.3);
}

.platform-service-card.google .btn-outline {
    border-color: #4285f4;
    color: #4285f4;
}

.platform-service-card.google .btn-outline:hover {
    background: #4285f4;
    color: var(--white);
    box-shadow: 0 8px 20px rgba(66, 133, 244, 0.3);
}

/* 详细服务样式 */
.detail-service-section {
    padding: 100px 0;
    background: var(--bg-light);
    position: relative;
}

.detail-service-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
}

.detail-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.detail-service-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.detail-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.detail-service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.15);
    border-color: var(--accent-light);
}

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

.detail-service-card h3 {
    color: var(--text-dark);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.detail-service-card>p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.detail-service-list {
    list-style: none;
    margin-top: 20px;
    position: relative;
    z-index: 1;
}

.detail-service-list li {
    padding: 12px 0;
    padding-left: 36px;
    position: relative;
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.7;
    transition: all 0.3s ease;
}

.detail-service-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--white);
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    top: 10px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.detail-service-card:hover .detail-service-list li {
    color: var(--text-dark);
}

/* 流程样式 */
.process-section {
    padding: 100px 0;
    background: var(--bg-white);
    position: relative;
}

.process-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.process-card {
    text-align: center;
    padding: 30px;
    position: relative;
}

.process-card:before {
    content: attr(data-step);
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.process-card h4 {
    color: var(--text-dark);
    margin: 20px 0 10px;
}

.process-card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
}

/* 流程区域优化 */
.process-container {
    position: relative;
    max-width: 1200px;
    margin: 50px auto 0;
}

.process-line {
    position: absolute;
    top: 50px;
    left: 8%;
    right: 8%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
    z-index: 0;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.process-step {
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.step-box {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 24px 20px;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    min-width: 150px;
    margin-bottom: 35px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.step-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.process-step:hover .step-box {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--accent-light);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
}

.process-step:hover .step-box::before {
    opacity: 1;
}

.step-box h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.step-box p {
    font-size: 13px;
    color: var(--text-gray);
    margin: 0;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: var(--white);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 2;
}

.process-step:hover .step-number {
    transform: scale(1.15);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.4);
}

/* 团队特性样式 */
.team-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.team-feature {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.team-feature i {
    color: var(--accent-color);
    font-size: 30px;
    flex-shrink: 0;
}

.team-feature h4 {
    color: var(--text-dark);
    margin-bottom: 10px;
}

.team-feature p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
}

/* Why Us 样式 */
.why-us-section {
    padding: var(--spacing-section) 0;
}

/* FAQ 样式 */
.faq-section-contact {
    padding: var(--spacing-section) 0;
    background: var(--bg-light);
}

/* 服务列表样式 */
.service-list {
    list-style: none;
}

.service-list li {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.service-list li:last-child {
    border-bottom: none;
}

/* Services Grid Section */
.services-grid-section {
    padding: 100px 0;
    position: relative;
}

.services-grid-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
}

/* 服务列表样式优化 */
.service-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.service-list li {
    padding: 10px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-gray);
    font-size: 14px;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
}

.service-card:hover .service-list li {
    color: var(--text-dark);
}

.service-card:hover .service-list li::before {
    transform: translateY(-50%) scale(1.3);
}

/* No Padding Top */
.no-padding-top {
    padding-top: 0;
}

/* Case Badge */
.case-badge {
    background: var(--accent-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}