/* 基础样式 */
:root {
    --primary: #1e40af;
    --secondary: #3b82f6;
    --accent: #60a5fa;
    --dark: #1e293b;
    --light: #f8fafc;
    --text: #334155;
    --text-light: #94a3b8;
    --bg-gradient: linear-gradient(135deg, #1e40af, #3b82f6);
}

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

body {
    font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: #0f172a;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 页面布局 */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(30, 64, 175, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-cta {
    background: var(--accent);
    color: white !important;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

/* 头部区域 */
.header {
    background: var(--bg-gradient);
    color: white;
    padding: 140px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/assets/img/login-head.png') center/cover no-repeat;
    opacity: 0.1;
    z-index: 0;
}

.header-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.site-title {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 25px;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, 
        #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, 
        #feca57, #ff9ff3, #54a0ff, #5f27cd
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite, floatTitle 6s ease-in-out infinite;
    line-height: 1.2;
    position: relative;
    display: inline-block;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes floatTitle {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-5px) rotate(-1deg); }
    66% { transform: translateY(5px) rotate(1deg); }
}

.site-title::before {
    content: '🚀';
    position: absolute;
    top: -30px;
    right: -40px;
    font-size: 2rem;
    animation: rocketFly 8s ease-in-out infinite;
}

@keyframes rocketFly {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -15px) rotate(5deg); }
    50% { transform: translate(-10px, 10px) rotate(-3deg); }
    75% { transform: translate(15px, 5px) rotate(2deg); }
}

.site-desc {
    font-size: 1.5rem;
    margin: 0 auto 50px;
    opacity: 0.9;
    max-width: 800px;
    line-height: 1.6;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.15);
    padding: 20px;
    border-radius: 16px;
    min-width: 120px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 8px;
    display: block;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
    background: linear-gradient(45deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 500;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    background: var(--accent);
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 5px 20px rgba(96, 165, 250, 0.3);
    transition: all 0.3s ease;
}

.cta-button.primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(96, 165, 250, 0.4);
}

.cta-button.primary:hover {
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.cta-button i {
    margin-left: 10px;
    transition: transform 0.3s;
}

.cta-button:hover i {
    transform: translateX(5px);
}

/* 服务区域 */
.services {
    background-color: #1e293b;
    padding: 100px 0;
    color: white;
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.02)"/></svg>');
    background-size: cover;
    opacity: 0.2;
}

/* 工作流程区域 */
.workflow {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    padding: 100px 0;
    color: white;
    position: relative;
}

.workflow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,50 Q50,0 100,50 Q50,100 0,50" fill="rgba(255,255,255,0.02)"/></svg>');
    background-size: cover;
    opacity: 0.1;
}

.workflow-container {
    position: relative;
    padding: 50px 0;
}

.workflow-line {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--accent), var(--secondary));
    z-index: 1;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 2;
}

.step {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
    position: relative;
    backdrop-filter: blur(10px);
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
}

.step:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.step-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.step:hover .step-icon {
    transform: scale(1.2);
    color: var(--secondary);
}

.step-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto 15px;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

@media (max-width: 1200px) {
    .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .workflow-steps {
        grid-template-columns: 1fr;
    }
    
    .workflow-line {
        display: none;
    }
    
    .step {
        max-width: 400px;
        margin: 0 auto;
    }
}

/* 平台支持区域 */
.platforms {
    background-color: #1e293b;
    padding: 100px 0;
    color: white;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.platform-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.platform-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-icon img {
    max-width: 40px;
    max-height: 40px;
}

.platform-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: white;
}

.platform-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* 栏目分类样式 */
.section-category {
    text-align: center;
    margin-bottom: 25px;
}

.category-badge {
    display: inline-block;
    background: linear-gradient(45deg, var(--primary), var(--accent));
    color: white;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 8px 25px;
    border-radius: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.category-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.category-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.category-badge:hover::before {
    left: 100%;
}

/* 优化效果展示区域样式增强 */
.optimization-results {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    padding: 100px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.optimization-results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.02)"/></svg>');
    background-size: cover;
    opacity: 0.2;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
    justify-content: center;
}

.result-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 35px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
}

.result-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.result-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    display: block;
    transition: transform 0.3s ease;
}

.result-card:hover .result-icon {
    transform: scale(1.1) rotate(5deg);
}

.result-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.result-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
    text-shadow: 0 2px 15px rgba(245, 158, 11, 0.5);
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    display: block;
    line-height: 1.2;
}

.result-card:hover .result-number {
    transform: scale(1.1);
    text-shadow: 0 4px 20px rgba(245, 158, 11, 0.5);
}

.result-desc {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.5;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .results-grid {
        grid-template-columns: repeat(2, minmax(250px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: repeat(2, minmax(200px, 1fr));
        gap: 15px;
    }
    
    .result-card {
        padding: 20px 15px;
    }
    
    .result-number {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .results-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .result-card {
        padding: 18px 12px;
    }
    
    .result-number {
        font-size: 2rem;
    }
    
    .category-badge {
        padding: 6px 18px;
        font-size: 0.8rem;
    }
}

/* 平台支持区域 */
.platforms {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    padding: 100px 0;
    color: white;
    position: relative;
}

.platforms::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,100 L0,100 Z" fill="rgba(255,255,255,0.02)"/></svg>');
    background-size: cover;
    opacity: 0.2;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.platform-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.platform-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-icon i {
    font-size: 2rem;
}

.platform-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: white;
}

.platform-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* 优势展示区域 */
.benefits {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    padding: 100px 0;
    color: white;
    position: relative;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,100 L100,0 L100,100 Z" fill="rgba(255,255,255,0.02)"/></svg>');
    background-size: cover;
    opacity: 0.2;
}

.benefit-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.benefit-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--secondary), var(--accent));
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.benefit-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.benefit-desc {
    color: var(--text-light);
    line-height: 1.6;
}

/* 优化效果展示区域 */
.results {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    padding: 100px 0;
    position: relative;
}

.results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.02)"/></svg>');
    background-size: cover;
    opacity: 0.2;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.result-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
}

.result-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.result-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    display: block;
    transition: all 0.3s ease;
}

.result-card:hover .result-icon {
    transform: scale(1.2) rotate(5deg);
}

.result-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 10px;
    text-shadow: 0 2px 15px rgba(245, 158, 11, 0.5);
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    display: block;
    line-height: 1.2;
}

.result-card:hover .result-number {
    transform: scale(1.1);
    text-shadow: 0 4px 20px rgba(245, 158, 11, 0.5);
}

.result-unit {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-left: 5px;
}

.result-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.result-desc {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.5;
}

@media (max-width: 1200px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .result-card {
        max-width: 400px;
        margin: 0 auto;
    }
}

/* 统计区域样式 */
.stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.15);
    padding: 20px;
    border-radius: 16px;
    min-width: 120px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 8px;
    display: block;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
    background: linear-gradient(45deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 500;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.section-title {
    text-align: center;
    margin-bottom: 25px;
    font-size: 2.8rem;
    font-weight: 700;
    color: white;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    margin: 25px auto;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.section-title.no-underline::after {
    display: none;
}

.section-subtitle {
    text-align: center;
    margin: 0 auto 70px;
    max-width: 800px;
    font-size: 1.25rem;
    color: var(--text-light);
    line-height: 1.6;
}

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

.service-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary), transparent);
    opacity: 0.6;
}

.service-icon img {
    max-width: 40px;
    max-height: 40px;
    z-index: 1;
    position: relative;
}

.service-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.service-desc {
    color: var(--text-light);
    margin-bottom: 25px;
    flex-grow: 1;
    font-size: 1rem;
    line-height: 1.6;
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: white;
    background: rgba(255, 255, 255, 0.1);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 30px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.service-link:hover {
    background: var(--primary);
    color: white;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.service-link i {
    margin-left: 8px;
    font-size: 0.9rem;
}

/* 价格计算器样式 */
.price-calculator {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 30px;
    margin: 40px 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.price-calculator h3 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 25px;
    color: white;
}

.calculator-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.form-group input[type="range"] {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    outline: none;
}

.form-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

.form-group select {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: white;
    font-size: 1rem;
}

.calculator-result {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    margin-top: 30px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.result-item span:first-child {
    color: var(--text-light);
}

.result-item span:last-child {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.calculator-cta {
    display: block;
    width: 100%;
    background: var(--primary);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calculator-cta:hover {
    background: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

#keywords-value {
    display: inline-block;
    margin-left: 10px;
    color: var(--accent);
    font-weight: 600;
}

/* 实时聊天组件 */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 350px;
    background: #1e293b;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
    overflow: hidden;
}

.chat-widget.active {
    transform: translateY(0);
    opacity: 1;
}

.chat-header {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    padding: 15px 20px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.chat-close:hover {
    transform: rotate(90deg);
}

.chat-body {
    height: 400px;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.chat-message {
    margin-bottom: 15px;
    max-width: 80%;
    padding: 12px 15px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.4;
}

.chat-message.bot {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 18px 18px 18px 4px;
    margin-right: auto;
}

.chat-message.user {
    background: var(--accent);
    color: white;
    border-radius: 18px 18px 4px 18px;
    margin-left: auto;
}

.chat-input {
    display: flex;
    padding: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-input input {
    flex: 1;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    color: white;
    font-size: 0.95rem;
    outline: none;
}

.chat-input input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.chat-send {
    background: var(--accent);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-left: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-send:hover {
    background: var(--secondary);
    transform: scale(1.1);
}

.chat-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(37, 99, 235, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
}

.chat-toggle:hover {
    transform: scale(1.1);
}

.chat-widget.active + .chat-toggle {
    opacity: 0;
    pointer-events: none;
}

/* 滚动条样式 */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 价格区域样式 */
.pricing {
    background-color: #0f172a;
    padding: 100px 0;
    color: white;
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.02);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.pricing-title {
    font-size: 1.8rem;
}

/* 工作流程美化样式 */
.workflow-step {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.workflow-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.workflow-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.workflow-step:hover::before {
    opacity: 1;
}

.step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.step-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: white;
    margin: 0;
}

.step-badge {
    background: linear-gradient(45deg, #f59e0b, #fbbf24);
    color: #1e293b;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
}

.step-desc {
    color: #cbd5e1;
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 1rem;
}

.step-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    transition: all 0.2s ease;
}

.detail-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.detail-item i {
    color: #60a5fa;
    font-size: 1.1rem;
}

.detail-item span {
    color: #e2e8f0;
    font-size: 0.9rem;
    font-weight: 500;
}

.step-tip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 12px;
    color: #fbbf24;
    font-size: 0.9rem;
    font-weight: 500;
}

.step-tip i {
    color: #f59e0b;
}

.step-number {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #2563eb, #60a5fa);
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
    z-index: 2;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .workflow-step {
        padding: 20px;
    }
    
    .step-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .step-details {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        top: -10px;
        right: -10px;
    }
}

@media (max-width: 480px) {
    .step-details {
        grid-template-columns: 1fr;
    }
    
    .workflow-step {
        padding: 15px;
    }
}

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

.pricing-option {
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    text-align: left;
}

.pricing-option h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: white;
}

.pricing-option p {
    margin: 5px 0;
    color: var(--text-light);
}

.price {
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
}

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

.pricing-features {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-button {
    display: inline-block;
    background: var(--primary);
    color: white;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    margin-top: 25px;
    transition: all 0.3s ease;
}

.pricing-button:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

/* 联系区域 */
.contact {
    background-color: #1e293b;
    padding: 100px 0;
    color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 35px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-card:hover {
    transform: translateY(-10px);
}

.qr-code {
    width: 180px;
    height: 180px;
    background: white;
    border-radius: 12px;
    padding: 10px;
    margin: 0 auto 20px;
}

.qr-code img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.contact-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 20px 0 15px;
    color: white;
}

.contact-desc {
    color: var(--text-light);
    margin-bottom: 25px;
}

.wechat-id {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 30px;
    color: white;
    font-weight: 500;
}

.wechat-icon {
    color: #07C160;
    margin-right: 8px;
}

/* 页脚 */
.footer {
    background-color: #0a0f18;
    color: var(--text-light);
    padding: 40px 0;
    text-align: center;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.footer-desc {
    max-width: 600px;
    margin: 0 auto 30px;
}

.footer-links {
    display: flex;
    gap: 25px;
    margin-bottom: 30px;
    justify-content: center;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
}

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

.copyright {
    font-size: 0.9rem;
}

/* 优化效果展示区域样式 */
.optimization-results {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.optimization-results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,100 L0,100 Z" fill="rgba(255,255,255,0.02)"/></svg>');
    background-size: cover;
    opacity: 0.3;
}

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

.result-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.result-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.result-card.featured {
    border: 2px solid var(--secondary);
    transform: scale(1.05);
}

.result-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--secondary), #60a5fa);
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--secondary);
    color: white;
    font-weight: 700;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.8rem;
}

.result-icon-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.result-icon-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary), transparent);
    border-radius: 50%;
    opacity: 0.6;
}

.result-icon {
    position: relative;
    font-size: 2.5rem;
    z-index: 2;
}

.result-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: white;
    margin-bottom: 15px;
}

.result-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
}

.result-desc {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1rem;
}

.result-progress {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    height: 8px;
    margin: 20px 0;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--secondary), #60a5fa);
    height: 100%;
    border-radius: 10px;
    transition: width 2s ease;
}

.result-stats {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary);
    text-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.stat-label {

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
}

.ranking-badges {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 15px 0;
}

.ranking-badge {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.platform-coverage {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.platform-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.conversion-metrics {
    margin: 20px 0;
}

.metric {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 12px 0;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.metric-icon {
    width: 35px;
    height: 35px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.metric-content {
    flex: 1;
}

.metric-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
}

.result-chart {
    display: flex;
    justify-content: center;
    align-items: end;
    gap: 10px;
    height: 100px;
    margin: 20px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.chart-bar {
    width: 25px;
    background: linear-gradient(to top, var(--secondary), #93c5fd);
    border-radius: 6px 6px 0 0;
    position: relative;
    transition: height 1s ease;
}

.chart-value {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--secondary);
}

.timeline {
    margin: 20px 0;
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 10px 0;
}

.timeline-dot {
    width: 12px;
    height: 12px;
    background: var(--secondary);
    border-radius: 50%;
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
}

.timeline-time {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
}

.timeline-desc {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
}

.success-rate {
    text-align: center;
    margin: 20px 0;
}

.rate-circle {
    width: 80px;
    height: 80px;
    border: 3px solid var(--secondary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.rate-value {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--secondary);
}

.rate-label {
    font-size: 0.7rem;
    color: var(--text-light);
}

.case-studies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.case-study {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
    position: relative;
    overflow: hidden;
}

.case-study::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
}

.case-study:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.case-logo {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

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

.case-content {
    flex: 1;
}

.case-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: white;
}

.case-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.case-stats {
    display: flex;
    gap: 15px;
}

.stat {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 15px;
    border-radius: 8px;
}

.stat-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
    display: block;
}

@media (max-width: 768px) {
    .case-studies {
        grid-template-columns: 1fr;
    }
    
    .case-study {
        flex-direction: column;
        text-align: center;
    }
    
    .case-stats {
        justify-content: center;
    }
}

.case-studies-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 30px;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-study {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.case-study:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.case-avatar {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

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

.case-content {
    flex: 1;
}

.case-company {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.case-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.5;
}

.case-stats {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.case-stat {
    background: rgba(59, 130, 246, 0.2);
    color: var(--secondary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* 动画效果 */
@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card {
    animation: countUp 0.6s ease forwards;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .site-title {
        font-size: 2.5rem;
    }
    
    .service-row {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        gap: 30px;
    }
    
    .nav-links {
        display: none;
    }

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

    .result-card.featured {
        transform: none;
    }

    .featured-badge {
        right: -35px;
        font-size: 0.7rem;
        padding: 5px 35px;
    }

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

    .case-study {
        flex-direction: column;
        text-align: center;
    }
}
}