/* 全局样式重置和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #6366F1;
    --secondary-color: #7C3AED;
    --text-dark: #1F2937;
    --text-medium: #4B5563;
    --text-light: #6B7280;
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-gray: #F3F4F6;
    --border-color: #E5E7EB;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.nav-buttons {
    display: flex;
    gap: 1rem;
    margin-left: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-text {
    background: transparent;
    color: var(--primary-color);
    padding: 0;
}

.btn-text:hover {
    color: var(--primary-dark);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0.05;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-medium);
    margin-bottom: 3rem;
    font-weight: 400;
}

.hero-promises {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.promise-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.check-icon {
    color: var(--success-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.trust-anchor {
    margin-top: 2rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Section 通用样式 */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-medium);
    font-size: 1.2rem;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Pain Points Section */
.pain-points {
    background: var(--bg-light);
}

.pain-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pain-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pain-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.pain-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.pain-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* Solutions Section */
.solutions {
    background: white;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.solution-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.solution-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.solution-desc {
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.solution-features {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.solution-features::-webkit-scrollbar {
    height: 3px;
}

.solution-features::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.feature-tag {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--primary-color);
    white-space: nowrap;
    flex-shrink: 0;
}

.placeholder-image {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.workflow-diagram {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.workflow-diagram.vertical {
    flex-direction: column;
}

.workflow-node {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.workflow-arrow {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.workflow-arrow.vertical {
    transform: rotate(0deg);
}

.calendar-mockup {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.calendar-header {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    border-bottom: 2px solid var(--bg-gray);
    padding-bottom: 0.75rem;
}

.calendar-item {
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    background: var(--bg-light);
    border-radius: 8px;
    color: var(--text-dark);
}

.calendar-item.pending {
    opacity: 0.6;
}

/* Case Studies Section */
.cases {
    background: var(--bg-light);
}

.case-cards {
    display: grid;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.case-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.case-company {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
}

.case-industry {
    font-size: 0.9rem;
    color: var(--text-light);
    background: var(--bg-light);
    padding: 0.4rem 1rem;
    border-radius: 20px;
}

.case-challenge {
    margin-bottom: 2rem;
}

.challenge-text {
    font-size: 1.2rem;
    color: var(--text-medium);
    font-style: italic;
    padding: 1.5rem;
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
}

.case-solution {
    margin-bottom: 2rem;
}

.case-solution p {
    color: var(--text-medium);
    font-size: 1.1rem;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

.result-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.result-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.result-label {
    color: var(--text-medium);
    font-size: 0.95rem;
}

.case-quote {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-light), white);
    border-radius: 12px;
    font-style: italic;
    color: var(--text-medium);
    font-size: 1.1rem;
    line-height: 1.8;
}

.case-quote cite {
    display: block;
    margin-top: 1rem;
    font-style: normal;
    color: var(--text-dark);
    font-weight: 600;
}

/* Pricing Section */
.pricing {
    background: white;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card .btn {
    margin-top: auto;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.price {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.price-old {
    font-size: 1.2rem;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-current {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.price-start {
    font-size: 1.2rem;
    font-weight: 600;
    margin-left: 0.3rem;
}

.price-badge {
    background: var(--warning-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.price-description {
    color: var(--text-medium);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.price-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
    flex-grow: 1;
}

.price-features li {
    padding: 0.75rem 0;
    color: var(--text-medium);
    border-bottom: 1px solid var(--bg-gray);
}

.price-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.pricing-note p {
    color: var(--text-medium);
    font-size: 1rem;
    margin: 0.5rem 0;
}

.pricing-addons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.addon-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.addon-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.addon-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.addon-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-medium);
}

.addon-card ul {
    list-style: none;
}

.addon-card ul li {
    padding: 0.5rem 0;
    color: var(--text-medium);
}

.addon-card p {
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* About Section */
.about {
    background: var(--bg-light);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-story {
    margin-bottom: 4rem;
}

.story-with-image {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-story blockquote {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-medium);
    padding: 3rem;
    background: white;
    border-left: 4px solid var(--primary-color);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin: 0;
}

.story-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    min-height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.image-placeholder span {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.image-placeholder p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.footer-slogan {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

.commitments h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-dark);
}

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

.commitment-item {
    display: flex;
    gap: 1rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.commitment-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.commitment-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.commitment-item p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* Booking Section */
.booking {
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
}

.booking-qrcode {
    max-width: 800px;
    margin: 0 auto;
}

.qrcode-container {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.qrcode-placeholder {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    border: 3px dashed var(--primary-color);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qr-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.qr-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-bottom: 1rem;
    border-radius: 8px;
}

.qr-hint {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.qr-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.qr-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.qrcode-benefits {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.qrcode-benefits .benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.qrcode-benefits .benefit-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.qrcode-benefits .benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.qrcode-benefits .benefit-item span {
    font-size: 1rem;
    font-weight: 500;
}

.contact-info {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact-info p {
    color: var(--text-medium);
    margin: 0.5rem 0;
    font-size: 1rem;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-column a,
.footer-column p {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

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

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

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

.fade-in-left {
    opacity: 0;
    animation: fadeInLeft 0.8s ease-out forwards;
}

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

.fade-in-right {
    opacity: 0;
    animation: fadeInRight 0.8s ease-out forwards;
}

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

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .solution-item {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .booking-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .solutions-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .story-with-image {
        grid-template-columns: 1fr;
    }

    .qrcode-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* 移动端容器优化 */
    .container {
        padding: 0 12px;
    }

    section {
        padding: 40px 0;
    }

    /* 导航栏移动端优化 - 显示logo和CTA按钮 */
    .nav-wrapper {
        padding: 0.75rem 0;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        padding: 0.5rem 0;
        font-size: 0.95rem;
    }
    
    .nav-buttons {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        padding: 0.75rem 12px 0.75rem 12px;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
        z-index: 1001;
        display: flex;
        flex-direction: row;
        gap: 0.5rem;
        margin: 0;
    }
    
    .nav-buttons .btn {
        flex: 1;
        padding: 0.65rem 0.4rem;
        font-size: 0.8rem;
        white-space: nowrap;
        min-width: 0;
        line-height: 1.2;
    }

    .nav-buttons .btn-outline {
        border-width: 1.5px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hero区域移动端优化 */
    .hero {
        padding: 100px 0 50px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
        line-height: 1.6;
    }
    
    .hero-promises {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .promise-item {
        font-size: 1rem;
    }

    .btn-large {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        width: 100%;
    }

    .trust-anchor {
        font-size: 0.875rem;
        margin-top: 1.5rem;
    }
    
    /* 标题优化 */
    .section-title {
        font-size: 1.75rem;
        line-height: 1.3;
        margin-bottom: 0.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2.5rem;
        padding: 0 1rem;
    }
    
    /* 痛点卡片移动端优化 - 一行两个 */
    .pain-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        margin-top: 1.5rem;
    }

    .pain-card {
        padding: 1rem 0.6rem;
    }

    .pain-icon {
        font-size: 2rem;
        margin-bottom: 0.4rem;
    }

    .pain-card h3 {
        font-size: 0.95rem;
        margin-bottom: 0.4rem;
    }

    .pain-card p {
        font-size: 0.8rem;
        line-height: 1.4;
    }

    /* 解决方案移动端优化 - 一行两个 */
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        margin-top: 1.5rem;
    }

    .solution-card {
        padding: 1rem 0.5rem;
        min-height: 260px;
        overflow: hidden;
    }

    .solution-icon {
        font-size: 2.2rem;
        margin-bottom: 0.4rem;
    }

    .solution-card h3 {
        font-size: 0.9rem;
        margin-bottom: 0.4rem;
        line-height: 1.2;
    }

    .solution-desc {
        font-size: 0.75rem;
        line-height: 1.3;
        margin-bottom: 0.6rem;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
        word-break: break-word;
    }

    .solution-features {
        gap: 0.35rem;
    }

    .feature-tag {
        font-size: 0.65rem;
        padding: 0.2rem 0.4rem;
    }
    
    /* 成功案例移动端优化 */
    .case-card {
        padding: 1.5rem 1rem;
    }

    .case-company {
        font-size: 1.2rem;
    }

    .case-industry {
        font-size: 0.8rem;
        padding: 0.3rem 0.75rem;
    }

    .challenge-text {
        font-size: 0.9rem;
        padding: 1rem;
    }

    .case-solution p {
        font-size: 0.9rem;
    }

    .case-results {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }

    .result-item {
        padding: 0.75rem 0.5rem;
    }

    .result-number {
        font-size: 1.5rem;
    }

    .result-label {
        font-size: 0.75rem;
    }

    .case-quote {
        padding: 1rem;
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    /* 定价区域移动端优化 - 更紧凑 */
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .pricing-card {
        padding: 1.25rem 1rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .featured-badge {
        top: -10px;
        right: 15px;
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }

    .pricing-card h3 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .price {
        margin-bottom: 1rem;
        gap: 0.5rem;
    }

    .price-current {
        font-size: 1.75rem;
    }

    .price-start {
        font-size: 0.9rem;
    }

    .price-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.6rem;
    }

    .price-description {
        font-size: 0.85rem;
        margin-bottom: 1rem;
        line-height: 1.5;
    }

    .price-features {
        margin-bottom: 1rem;
    }

    .price-features li {
        font-size: 0.85rem;
        padding: 0.5rem 0;
    }

    .pricing-addons {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        margin-top: 1rem;
    }

    .addon-card {
        padding: 1rem;
    }

    .addon-card h4 {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }

    .addon-price {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .addon-card ul li {
        padding: 0.4rem 0;
        font-size: 0.85rem;
    }

    .addon-card p {
        font-size: 0.85rem;
        margin-bottom: 0.75rem;
    }

    .pricing-note {
        padding: 1rem;
        margin-top: 1.5rem;
    }

    .pricing-note p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    /* 关于我们移动端优化 */
    .story-with-image {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-story blockquote {
        font-size: 0.9rem;
        line-height: 1.6;
        padding: 1.25rem;
    }

    .image-placeholder {
        padding: 2rem;
        min-height: 200px;
    }

    .image-placeholder span {
        font-size: 4rem;
    }

    .image-placeholder p {
        font-size: 1rem;
    }

    .commitments h3 {
        font-size: 1.6rem;
        margin-bottom: 1.5rem;
    }

    .commitment-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .commitment-item {
        padding: 0.875rem 0.6rem;
    }

    .commitment-icon {
        font-size: 1.5rem;
    }

    .commitment-item h4 {
        font-size: 1rem;
        margin-bottom: 0.3rem;
    }

    .commitment-item p {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    /* 二维码区域移动端优化 */
    .qrcode-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem 1rem;
    }

    .qrcode-placeholder {
        padding: 1.5rem 1rem;
        min-height: 220px;
    }

    .qr-icon {
        font-size: 4rem;
    }

    .qr-image {
        width: 180px;
        height: 180px;
    }

    .qr-text {
        font-size: 1.1rem;
    }

    .qr-number {
        font-size: 1.3rem;
    }

    .qrcode-benefits {
        gap: 1rem;
    }

    .qrcode-benefits .benefit-item {
        padding: 0.875rem;
    }

    .qrcode-benefits .benefit-icon {
        font-size: 1.3rem;
    }

    .qrcode-benefits .benefit-item span {
        font-size: 0.95rem;
    }

    .contact-info {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }

    .contact-info p {
        font-size: 0.9rem;
    }
    
    /* 页脚移动端优化 */
    .footer {
        padding: 3rem 0 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 2rem;
    }

    .footer-brand {
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-column {
        text-align: center;
    }

    .footer-column h4 {
        font-size: 1rem;
    }

    .footer-column a,
    .footer-column p {
        font-size: 0.9rem;
    }

    .footer-bottom p {
        font-size: 0.85rem;
        padding: 0 1rem;
    }

    /* 返回顶部按钮移动端优化 */
    .back-to-top {
        width: 45px !important;
        height: 45px !important;
        bottom: 20px !important;
        right: 20px !important;
        font-size: 20px !important;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
}