/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo-img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

.nav-logo h2 {
    color: #FF6B6B;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #FF6B6B;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #FF6B6B;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    justify-content: space-between;
    height: 20px;
    padding: 0;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: #333;
    transition: 0.3s;
    margin: 0;
}

/* 主页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    padding: 120px 0 50px;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1400px;
    padding-left: 3rem;
}

.hero-content {
    flex: 0 0 auto;
    max-width: 600px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,165.3C384,171,480,149,576,138.7C672,128,768,128,864,144C960,160,1056,192,1152,197.3C1248,203,1344,181,1392,170.7L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
    animation: fadeInUp 1s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.highlight {
    color: #FFE66D;
    position: relative;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s backwards;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-image {
    flex: 1;
    position: relative;
    z-index: 2;
}

.floating-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
    color: #FF6B6B;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: #FF6B6B;
    color: white;
}

.btn-primary:hover {
    background: #FF5252;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #FF6B6B;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #FF6B6B;
    border: 2px solid #FF6B6B;
}

.btn-outline:hover {
    background: #FF6B6B;
    color: white;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* 区域样式 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 核心权益对比 */
.benefits {
    background: #f8f9fa;
}

.comparison-table {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.feature-col {
    padding: 1.5rem;
    font-weight: 600;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.plan-col {
    padding: 0;
    position: relative;
}

.plan-header {
    padding: 1.5rem 1.5rem;
    text-align: center;
    position: relative;
}

.plan-icon {
    display: none;
}

.plan-header h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.plan-price {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.plan-desc {
    font-size: 0.9rem;
    opacity: 0.9;
}

.recommended-badge {
    position: absolute;
    top: 10px;
    right: 20px;
    background: #FFE66D;
    color: #333;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid #e9ecef;
    align-items: center;
}

.comparison-row:last-child {
    border-bottom: none;
}

.feature-col {
    padding: 1.5rem;
    background: #f8f9fa;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #2c3e50;
}

.feature-col i {
    color: #FF6B6B;
    width: 20px;
}

.plan-col {
    padding: 1.5rem;
    text-align: center;
    border-right: 1px solid #e9ecef;
}

.plan-col:last-child {
    border-right: none;
}

.plan-col[colspan="2"] {
    grid-column: span 2;
}

.text-success {
    color: #28a745;
}

.text-warning {
    color: #ffc107;
}

.comparison-footer {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    background: #f8f9fa;
}

.comparison-footer .feature-col {
    border-right: none;
}

.comparison-footer .plan-col {
    padding: 2rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-footer .plan-col:first-child {
    background: #f8f9fa;
}

.comparison-footer .plan-col:last-child {
    background: #f8f9fa;
}

.comparison-footer .plan-col:last-child .btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.comparison-footer .plan-col:last-child .btn:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #667eea 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.comparison-footer .btn {
    width: 100%;
    max-width: 200px;
    padding: 1rem 2rem;
    font-weight: 600;
}

/* 适用场景 */
.scenarios {
    background: white;
}

.scenario-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: 2px solid #e9ecef;
    background: white;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn:hover {
    border-color: #FF6B6B;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.tab-btn.active {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF5252 100%);
    border-color: #FF6B6B;
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.tab-btn.active:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.tab-icon {
    font-size: 1.2rem;
}

.scenarios-content {
    display: none;
}

.scenarios-content.active {
    display: block;
    animation: fadeInUp 0.6s ease;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.scenario-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.scenario-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-color: #FF6B6B;
}

.premium-scenario {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, #667eea 0%, #764ba2 100%) border-box;
}

.premium-scenario:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 70px rgba(102, 126, 234, 0.25);
    border-color: #667eea;
}

.scenario-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.scenario-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #333;
}

.scenario-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

.scenario-reason h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #FF6B6B;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.scenario-reason ul {
    list-style: none;
}

.scenario-reason li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.scenario-reason li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* 加盟流程 */
.process {
    background: #f8f9fa;
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #FF6B6B, #764ba2);
    transform: translateX(-50%);
}

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF5252 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 2rem;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.step-content {
    flex: 1;
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
}

.step-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border-style: solid;
}

.process-step:nth-child(odd) .step-content::before {
    left: -10px;
    border-width: 10px 10px 10px 0;
    border-color: transparent white transparent transparent;
}

.process-step:nth-child(even) .step-content::before {
    right: -10px;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent white;
}

.step-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #333;
}

.step-content p {
    color: #666;
    margin-bottom: 1rem;
}

.step-time {
    background: #FFE66D;
    color: #333;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
}

/* 联系我们 */
.contact {
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    font-size: 2rem;
    color: #FF6B6B;
    width: 50px;
    text-align: center;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: #333;
}

.contact-item p {
    color: #666;
    font-size: 0.95rem;
}

.contact-form {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #333;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FF6B6B;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚 */
.footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #FF6B6B;
}

.footer-section p,
.footer-section ul {
    color: #ccc;
    line-height: 1.8;
}

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

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

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #FF6B6B;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #999;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 120px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF5252 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
    border: none;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar {
        min-height: 90px;
    }
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
        position: relative;
        cursor: pointer;
        padding: 5px;
        border-radius: 5px;
        transition: background-color 0.3s ease;
        height: 30px;
        justify-content: center;
        align-items: center;
    }

    .hamburger:hover {
        background-color: rgba(0, 0, 0, 0.1);
    }

    .hamburger span {
        width: 25px;
        height: 3px;
        background: #333;
        margin: 3px 0;
        transition: 0.3s;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .nav-menu {
        position: fixed;
        top: 90px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 998;
        max-height: 70vh;
        overflow-y: auto;
        border-bottom-left-radius: 20px;
        border-bottom-right-radius: 20px;
    }

    .nav-menu.active {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .nav-menu li {
        margin: 0.8rem 0;
        text-align: center;
    }

    .nav-menu a {
        color: #333;
        font-size: 1.1rem;
        font-weight: 500;
        padding: 1rem 1.5rem;
        display: block;
        border-radius: 12px;
        transition: all 0.3s ease;
        background: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 107, 107, 0.1);
        text-decoration: none;
    }

    .nav-menu a:hover {
        background: linear-gradient(135deg, #FF6B6B 0%, #FF5252 100%);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
    }

    .nav-logo h2 {
        font-size: 1.4rem;
    }

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

    .hero .container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        padding-left: 20px;
    }
    
    .hero-content {
        margin-left: 0;
        max-width: 100%;
    }
    
    .hero-image {
        justify-content: center;
    }
    
    .hero {
        padding: 140px 0 50px;
    }

    .hero-title {
        font-size: 2.5rem;
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
    }
    
    .hero-subtitle {
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .comparison-header,
    .comparison-row,
    .comparison-footer {
        grid-template-columns: 1fr;
    }

    .comparison-footer .feature-col {
        display: none;
    }

    /* 优化手机端整体表格样式 */
    .comparison-table {
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
        border: 2px solid rgba(255, 107, 107, 0.1);
        background: white;
    }

    .comparison-header {
        background: linear-gradient(135deg, #fff5f5 0%, #ffe0e0 20%, #f8f9fa 100%);
        color: #333;
        padding: 1.2rem 1rem;
        text-align: center;
        border-radius: 16px 16px 0 0;
        box-shadow: 0 4px 20px rgba(255, 107, 107, 0.15);
        position: relative;
        border-bottom: 2px solid #FF6B6B;
    }

    .comparison-header::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 10%;
        right: 10%;
        height: 3px;
        background: linear-gradient(90deg, transparent, #FF6B6B, #FFE66D, #FF6B6B, transparent);
        border-radius: 2px;
        animation: shimmer 3s ease-in-out infinite;
    }

    @keyframes shimmer {
        0%, 100% { opacity: 0.7; transform: scaleX(0.8); }
        50% { opacity: 1; transform: scaleX(1); }
    }

    /* 手机端显示内部方案对比 */
    .comparison-row .mobile-plans {
        display: block !important;
        margin-top: 0.8rem;
        padding: 0.8rem;
        background: rgba(255, 107, 107, 0.05);
        border-radius: 12px;
        border: 1px solid rgba(255, 107, 107, 0.1);
        width: 100%;
    }

    .mobile-plan {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        font-size: 0.95rem;
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .mobile-plan:last-child {
        border-bottom: none;
    }

    .mobile-plan .plan-name {
        color: #FF6B6B;
        font-weight: 600;
        flex-shrink: 0;
        font-size: 0.9rem;
    }

    .mobile-plan .plan-value {
        color: #333;
        font-weight: 500;
        text-align: right;
        flex: 1;
        margin-left: 1rem;
    }

    .mobile-plan small {
        color: #666;
        font-size: 0.8rem;
        display: block;
        text-align: right;
        margin-top: 2px;
        font-weight: 400;
    }

    .mobile-plan[style*="grid-column: 1 / -1"] {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.8rem;
        background: white;
        border-radius: 8px;
        margin-bottom: 0.5rem;
    }

    .mobile-plan[style*="grid-column: 1 / -1"] .plan-value {
        text-align: left;
        width: 100%;
        margin-left: 0;
        margin-top: 0.5rem;
    }

    /* 隐藏桌面端的方案列 */
    .comparison-row .plan-col,
    .comparison-footer .plan-col {
        display: none;
    }

    .comparison-footer .plan-col {
        padding: 1.5rem;
    }

    .comparison-footer .btn {
        max-width: none;
    }

    .plan-col[colspan="2"] {
        grid-column: span 1;
    }

    .comparison-row .feature-col {
        border-right: none;
        border-bottom: 1px solid #e9ecef;
        display: flex !important;
        flex-direction: column;
        align-items: flex-start !important;
        background: white !important;
        color: #2c3e50 !important;
        padding: 1.5rem !important;
        border-radius: 16px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        margin-bottom: 1rem;
    }

    /* 移动端表头样式重设计 */
    .comparison-header .feature-col {
        background: linear-gradient(135deg, #fff5f5 0%, #ffe0e0 30%, #f8f9fa 100%) !important;
        color: #d63031 !important;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 1rem !important;
        text-align: center;
        border-radius: 16px 16px 0 0;
        margin-bottom: 0;
        box-shadow: 0 2px 8px rgba(255, 107, 107, 0.1);
        position: relative;
        overflow: hidden;
        border-bottom: 1px solid rgba(255, 107, 107, 0.3);
    }

    .comparison-header .feature-col::before {
        content: '📊';
        position: absolute;
        top: 0.5rem;
        left: 1rem;
        font-size: 1.2rem;
        opacity: 0.8;
        animation: pulse 2s infinite;
    }

    @keyframes pulse {
        0%, 100% { transform: scale(1); opacity: 0.8; }
        50% { transform: scale(1.1); opacity: 1; }
    }

    .comparison-header .feature-col .hide-on-mobile {
        display: block;
        font-weight: 700;
        letter-spacing: 0.5px;
        margin-left: 2rem;
        background: linear-gradient(45deg, #FF6B6B, #FF5252);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

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

    .scenario-tabs {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }

    .tab-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .tab-icon {
        font-size: 1rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .process-timeline::before {
        left: 20px;
    }

    .process-step {
        flex-direction: row !important;
        margin-left: 40px;
    }

    .step-number {
        position: absolute;
        left: -40px;
        margin: 0;
    }

    .step-content::before {
        left: -10px !important;
        border-width: 10px 10px 10px 0 !important;
        border-color: transparent white transparent transparent !important;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .scenario-card,
    .contact-form {
        padding: 1.5rem;
    }

    .process-step {
        margin-left: 30px;
    }

    .step-number {
        left: -30px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #FF6B6B;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #FF5252;
}

/* 手机端显示内部方案对比 - 默认隐藏，只在移动端显示 */
.mobile-plans {
    display: none;
}

/* 加载动画 */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.show {
    opacity: 1;
    transform: translateY(0);
}

/* 工具提示 */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}