/**
 * Phone Case Vending Theme - Main Stylesheet
 */

/* 容器系统 */
.container-full {
    width: 100%;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-fixed {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* 响应式容器调整 */
@media (max-width: 1350px) {
    .container-fixed {
        width: 100%;
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }
}

/* ========================================
   导航栏样式
   ======================================== */

.main-navigation {
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.site-branding .site-title {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
}

.site-branding .custom-logo-link {
    display: inline-block;
    line-height: 0;
}

.site-branding .custom-logo {
    height: 50px;
    width: auto;
    max-width: 200px;
    display: block;
    transition: opacity var(--transition-speed) var(--transition-easing);
}

.site-branding .custom-logo:hover {
    opacity: 0.8;
}

.site-branding .site-title a {
    color: var(--text-white);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-easing);
}

.site-branding .site-title a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger {
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--text-white);
    position: relative;
    transition: background-color var(--transition-speed) var(--transition-easing);
}

.hamburger::before,
.hamburger::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--text-white);
    position: absolute;
    transition: transform var(--transition-speed) var(--transition-easing);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.menu-toggle.active .hamburger {
    background-color: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg) translate(6px, -6px);
}

.menu-items {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.menu-items li a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-speed) var(--transition-easing);
    padding: var(--spacing-xs) 0;
}

.menu-items li a:hover {
    color: var(--primary-color);
}

/* ========================================
   Hero Section样式
   ======================================== */

.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../images/video-fallback.jpg');
    background-size: cover;
    background-position: center;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--text-white);
}

.hero-title {
    font-size: var(--font-size-h1);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: var(--font-size-h2);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* ========================================
   Feature Badges样式
   ======================================== */

.feature-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.feature-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--text-white);
    border-radius: 25px;
    color: var(--text-white);
    font-weight: 600;
    font-size: 14px;
    backdrop-filter: blur(10px);
    transition: all var(--transition-speed) var(--transition-easing);
}

.feature-badge:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 116, 0, 0.3);
}

/* ========================================
   CTA Button样式
   ======================================== */

.cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--primary-color);
    color: var(--text-white);
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    border-radius: 30px;
    transition: all var(--transition-speed) var(--transition-easing);
    box-shadow: 0 4px 12px rgba(255, 116, 0, 0.3);
}

.cta-button:hover {
    background-color: #e66900;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 116, 0, 0.4);
}

.cta-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 116, 0, 0.3);
}

/* ========================================
   Footer样式
   ======================================== */

/* ========================================
   Project Cost & Revenue Section
   ======================================== */

.project-cost-section {
    background-color: #f5f5f5;
    padding: 80px 0;
}

.cost-content-wrapper {
    display: flex;
    gap: 60px;
    align-items: center;
}

.cost-left {
    flex: 1;
}

.cost-right {
    flex: 1;
}

.cost-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.cost-subtitle {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.cost-highlight {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.cost-text {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.cost-machines {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.highlight-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.roi-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all var(--transition-speed) var(--transition-easing);
    margin-bottom: 30px;
}

.roi-button:hover {
    background-color: #e66900;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 116, 0, 0.3);
}

.cost-disclaimer {
    font-size: 12px;
    color: #999;
    line-height: 1.6;
    margin-top: 20px;
}

.cost-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.cost-card {
    background-color: var(--text-white);
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    transition: all var(--transition-speed) var(--transition-easing);
}

.cost-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.cost-card.highlight {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.card-label {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.cost-card.highlight .card-label {
    color: var(--text-white);
}

.card-value {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 10px;
}

.card-value.orange {
    color: var(--primary-color);
}

.card-value.white {
    color: var(--text-white);
}

.day-text {
    font-size: 24px;
    font-weight: 600;
}

.card-desc {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.4;
}

.card-desc.white {
    color: var(--text-white);
}

/* ========================================
   Footer样式
   ======================================== */

.site-footer {
    background-color: var(--text-dark);
    color: var(--text-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.copyright {
    margin: 0;
    font-size: 14px;
}

.footer-separator {
    margin: 0 12px;
    color: rgba(255, 255, 255, 0.5);
}

.privacy-link {
    color: var(--text-white);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-easing);
}

.privacy-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ========================================
   响应式样式 - 平板
   ======================================== */

@media (max-width: 1199px) {
    :root {
        --font-size-h1: 40px;
        --font-size-h2: 28px;
    }
    
    .hero-title {
        font-size: var(--font-size-h1);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-h2);
    }
}

/* ========================================
   响应式样式 - 移动端
   ======================================== */

@media (max-width: 767px) {
    :root {
        --font-size-h1: 32px;
        --font-size-h2: 20px;
        --spacing-xl: 32px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-speed) var(--transition-easing);
    }
    
    .nav-menu.active {
        max-height: 400px;
    }
    
    .menu-items {
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
    }
    
    .menu-items li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .menu-items li:last-child {
        border-bottom: none;
    }
    
    .menu-items li a {
        display: block;
        padding: var(--spacing-sm) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-h1);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-h2);
    }
    
    .feature-badges {
        gap: var(--spacing-xs);
    }
    
    .feature-badge {
        font-size: 12px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .cta-button {
        font-size: 16px;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    /* Project Cost Section 移动端样式 */
    .cost-content-wrapper {
        flex-direction: column;
        gap: 40px;
    }
    
    .cost-title {
        font-size: 28px;
    }
    
    .cost-subtitle {
        font-size: 18px;
    }
    
    .cost-highlight {
        font-size: 18px;
    }
    
    .cost-text {
        font-size: 16px;
    }
    
    .cost-machines {
        font-size: 16px;
    }
    
    .highlight-number {
        font-size: 24px;
    }
    
    .cost-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .card-value {
        font-size: 36px;
    }
    
    .day-text {
        font-size: 18px;
    }
    
    .project-cost-section {
        padding: 50px 0;
    }
    
    /* FAQ Section 移动端样式 */
    .faq-section {
        padding: 50px 0;
    }
    
    .faq-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    .faq-question {
        font-size: 16px;
        padding: 20px 20px;
    }
    
    .faq-answer {
        padding: 0 20px;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 20px 20px 20px;
    }
    
    .faq-answer p,
    .faq-answer ul,
    .faq-answer ol {
        font-size: 14px;
    }
    
    .faq-contact-button {
        font-size: 16px;
        padding: 12px 30px;
    }
}

/* ========================================
   可访问性增强
   ======================================== */

/* 跳过导航链接 */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

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

/* 减少动画（尊重用户偏好） */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}


/* ========================================
   Application Scenarios Section
   ======================================== */

.application-section {
    background-color: #f5f0eb;
    padding: 80px 0;
}

.application-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 60px;
}

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

.application-card {
    text-align: center;
}

.card-image-container {
    position: relative;
    margin-bottom: 20px;
    border-radius: 20px;
    overflow: hidden;
    /* box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); */
    transition: all var(--transition-speed) var(--transition-easing);
}

.application-card:hover .card-image-container {
    transform: translateY(-5px);
    /* box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2); */
}

.social-stats {
    position: absolute;
    top: 8%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 8px 12px;
    border-radius: 20px;
    z-index: 2;
    backdrop-filter: blur(5px);
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.social-icon.tiktok {
    background-color: #000000;
}

.social-icon.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-icon.youtube {
    background-color: #FF0000;
}

.social-icon.twitter {
    background-color: #1DA1F2;
}

.stat-number {
    color: var(--text-white);
    font-weight: 600;
    font-size: 14px;
}

.stat-icon {
    font-size: 14px;
}

.stat-icon.heart {
    color: #ff0000;
}

.stat-icon.circle {
    color: #cccccc;
    font-size: 12px;
}

.application-image {
    width: 100%;
    height: auto;
    display: block;
}

.scenario-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.scenario-description {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin: 0;
}

.application-cta {
    text-align: center;
    margin-top: 30px;
}

.application-contact-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 15px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all var(--transition-speed) var(--transition-easing);
}

.application-contact-button:hover {
    background-color: #e66900;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 116, 0, 0.3);
}

/* 响应式 - 平板 */
@media (max-width: 1199px) {
    .application-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .application-title {
        font-size: 36px;
    }
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
    .application-section {
        padding: 50px 0;
    }
    
    .application-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .application-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .scenario-title {
        font-size: 20px;
    }
    
    .scenario-description {
        font-size: 13px;
    }
    
    .social-stats {
        padding: 6px 10px;
        gap: 6px;
    }
    
    .social-icon {
        width: 20px;
        height: 20px;
    }
    
    .stat-number {
        font-size: 12px;
    }
    
    .application-contact-button {
        font-size: 16px;
        padding: 12px 30px;
    }
}

/* ========================================
   Revolutionary Breakthrough Section
   ======================================== */

.revolutionary-section {
    background-color: #f9f9f9;
    padding: 80px 0;
}

.revolutionary-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 60px;
}

.revolutionary-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.revolutionary-left {
    flex: 1;
}

.revolutionary-right {
    flex: 1;
    text-align: center;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 40px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    margin-bottom: 15px;
    background-color: #fff5eb;
    border-radius: 200px;
    transition: all var(--transition-speed) var(--transition-easing);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-dot {
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
}

.feature-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
}

.revolutionary-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.revolutionary-cta {
    text-align: center;
    margin-top: 40px;
}

.revolutionary-contact-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 15px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all var(--transition-speed) var(--transition-easing);
}

.revolutionary-contact-button:hover {
    background-color: #e66900;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 116, 0, 0.3);
}

/* 响应式 - 平板 */
@media (max-width: 1199px) {
    .revolutionary-title {
        font-size: 36px;
    }
    
    .revolutionary-content {
        gap: 40px;
    }
    
    .feature-text {
        font-size: 18px;
    }
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
    .revolutionary-section {
        padding: 50px 0;
    }
    
    .revolutionary-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .revolutionary-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .feature-item {
        padding: 15px;
        margin-bottom: 10px;
    }
    
    .feature-text {
        font-size: 16px;
    }
    
    .revolutionary-contact-button {
        font-size: 16px;
        padding: 12px 30px;
    }
}

/* ========================================
   Professional Qualification Certificate Section
   ======================================== */

.certificate-section {
    background-color: #f5f0eb;
    padding: 80px 0;
}

.certificate-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 60px;
}

.certificate-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
}

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

.stat-number-large {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    font-weight: 600;
    color: #555;
    line-height: 1.4;
}

.stat-divider {
    width: 2px;
    height: 60px;
    background-color: #ccc;
}

.certificate-image-wrapper {
    text-align: center;
    margin-top: 40px;
}

.certificate-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* 响应式 - 平板 */
@media (max-width: 1199px) {
    .certificate-title {
        font-size: 36px;
    }
    
    .certificate-stats {
        gap: 30px;
    }
    
    .stat-number-large {
        font-size: 32px;
    }
    
    .stat-label {
        font-size: 14px;
    }
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
    .certificate-section {
        padding: 50px 0;
    }
    
    .certificate-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .certificate-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .stat-divider {
        width: 60px;
        height: 2px;
    }
    
    .stat-number-large {
        font-size: 28px;
    }
    
    .stat-label {
        font-size: 13px;
    }
}

/* ========================================
   Customer Testimonials Section
   ======================================== */

.testimonials-section {
    background-color: #f5f5f5;
    padding: 80px 0;
    width: 100%;
    overflow: hidden;
}

.testimonials-container {
    max-width: 100%;
    margin: 0 auto;
}

.testimonials-title {
    font-size: 48px;
    font-weight: bold;
    color: #000000;
    text-align: center;
    margin: 0 0 60px 0;
    padding: 0 20px;
}

.testimonials-row {
    width: 100%;
    overflow: hidden;
    margin-bottom: 30px;
}

.testimonials-track {
    display: flex;
    gap: 30px;
    width: fit-content;
}

.testimonials-row-left .testimonials-track {
    animation: scrollLeft 40s linear infinite;
}

.testimonials-row-right .testimonials-track {
    animation: scrollRight 40s linear infinite;
}

@keyframes scrollLeft {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes scrollRight {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}

.testimonial-card {
    background-color: #ffffff;
    border-radius: 16px;
    padding: 30px;
    width: 600px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.testimonial-text {
    color: #333333;
    font-size: 16px;
    line-height: 1.6;
    margin: 0 0 25px 0;
}

.testimonial-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
}

.testimonial-author {
    display: flex;
    gap: 15px;
    align-items: center;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-info {
    flex: 1;
}

.author-name {
    color: #000000;
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 5px 0;
}

.author-title {
    color: #666666;
    font-size: 14px;
    margin: 0 0 5px 0;
}

.author-rating {
    color: #ffd700;
    font-size: 16px;
}

.testimonial-image {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
    flex-shrink: 0;
}

/* 响应式 - 平板 */
@media (max-width: 1199px) {
    .testimonials-title {
        font-size: 40px;
    }
    
    .testimonial-card {
        width: 550px;
    }
}

/* 响应式 - 移动端 */
@media (max-width: 768px) {
    .testimonials-section {
        padding: 60px 0;
    }

    .testimonials-title {
        font-size: 36px;
        margin-bottom: 40px;
    }

    .testimonial-card {
        width: 450px;
        padding: 25px;
    }

    .testimonial-text {
        font-size: 15px;
    }

    .author-avatar {
        width: 50px;
        height: 50px;
    }

    .author-name {
        font-size: 16px;
    }

    .testimonial-image {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 480px) {
    .testimonials-section {
        padding: 40px 0;
    }

    .testimonials-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .testimonial-card {
        width: 320px;
        padding: 20px;
    }

    .testimonial-text {
        font-size: 14px;
    }

    .author-avatar {
        width: 45px;
        height: 45px;
    }

    .author-name {
        font-size: 15px;
    }

    .author-title {
        font-size: 13px;
    }

    .testimonial-image {
        width: 80px;
        height: 80px;
    }
}

/* ========================================
   Contact Form Section
   ======================================== */

.contact-form-section {
    background: linear-gradient(135deg, #ff7400 0%, #ff8e53 100%);
    padding: 80px 0;
}

.contact-content-wrapper {
    display: flex;
    gap: 60px;
    align-items: center;
}

.contact-left {
    flex: 1;
}

.contact-right {
    flex: 1;
}

.contact-main-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 40px;
    line-height: 1.3;
}

.contact-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.check-icon {
    width: 28px;
    height: 28px;
    background-color: var(--text-white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.contact-feature-item .feature-text {
    font-size: 20px;
    font-weight: 500;
    color: var(--text-white);
}

.contact-form-card {
    background-color: var(--text-white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.contact-form-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin: 0 0 30px 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: all var(--transition-speed) var(--transition-easing);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 116, 0, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #ccc;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-submit-button {
    background-color: var(--primary-color);
    color: var(--text-white);
    font-size: 20px;
    font-weight: 700;
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-easing);
    box-shadow: 0 4px 12px rgba(255, 116, 0, 0.3);
    margin-top: 10px;
}

.contact-submit-button:hover {
    background-color: #e66900;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 116, 0, 0.4);
}

.contact-submit-button:active {
    transform: translateY(0);
}

/* 响应式 - 平板 */
@media (max-width: 1199px) {
    .contact-content-wrapper {
        gap: 40px;
    }
    
    .contact-main-title {
        font-size: 36px;
    }
    
    .contact-feature-item .feature-text {
        font-size: 18px;
    }
    
    .contact-form-card {
        padding: 35px;
    }
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
    .contact-form-section {
        padding: 50px 0;
    }
    
    .contact-content-wrapper {
        flex-direction: column;
        gap: 40px;
    }
    
    .contact-left {
        width: 100%;
    }
    
    .contact-right {
        width: 100%;
        max-width: 100%;
    }
    
    .contact-main-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    .contact-feature-item {
        margin-bottom: 15px;
    }
    
    .check-icon {
        width: 24px;
        height: 24px;
        font-size: 16px;
    }
    
    .contact-feature-item .feature-text {
        font-size: 16px;
    }
    
    .contact-form-card {
        padding: 35px 30px;
        width: 100%;
        max-width: 100%;
    }
    
    .contact-form-title {
        font-size: 28px;
        margin-bottom: 25px;
    }
    
    .form-group label {
        font-size: 15px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 12px 15px;
        font-size: 15px;
        width: 100%;
    }
    
    .contact-submit-button {
        font-size: 18px;
        padding: 14px 40px;
        width: 100%;
    }
}

/* ========================================
   FAQ Section
   ======================================== */

.faq-section {
    background-color: var(--text-white);
    padding: 80px 0;
}

.faq-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 50px;
}

.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: #f9f9f9;
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all var(--transition-speed) var(--transition-easing);
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.faq-question {
    width: 100%;
    background-color: transparent;
    border: none;
    padding: 25px 30px;
    text-align: left;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-speed) var(--transition-easing);
}

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

.faq-icon {
    color: var(--primary-color);
    font-size: 16px;
    transition: transform var(--transition-speed) var(--transition-easing);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-item.active .faq-question {
    background-color: #fff5f0;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 30px;
}

.faq-item.active .faq-answer {
    max-height: 2000px;
    padding: 25px 30px 25px 30px;
}

.faq-answer p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #555;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer ul,
.faq-answer ol {
    margin-left: 20px;
    line-height: 1.8;
    color: #555;
}

.faq-answer li {
    margin-bottom: 12px;
}

.faq-answer strong {
    color: var(--text-dark);
    font-weight: 600;
}

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

.faq-contact-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 15px 40px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all var(--transition-speed) var(--transition-easing);
}

.faq-contact-button:hover {
    background-color: #e66900;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 116, 0, 0.3);
}


/* ========================================
   6-Step Process Section
   ======================================== */

.process-section {
    background-color: var(--text-white);
    padding: 80px 0;
}

.process-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 60px;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.process-step {
    text-align: center;
}

.step-image-wrapper {
    position: relative;
    margin-bottom: 25px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-speed) var(--transition-easing);
}

.process-step:hover .step-image-wrapper {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.step-image {
    width: 100%;
    height: auto;
    display: block;
}

.step-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 4px 8px rgba(255, 116, 0, 0.3);
    z-index: 2;
}

.step-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.3;
}

.step-description {
    font-size: 15px;
    color: #555;
    line-height: 1.6;
    margin: 0;
}

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

.process-contact-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 15px 40px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all var(--transition-speed) var(--transition-easing);
}

.process-contact-button:hover {
    background-color: #e66900;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 116, 0, 0.3);
}

/* 响应式 - 平板 */
@media (max-width: 1199px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 35px;
    }
    
    .process-title {
        font-size: 36px;
    }
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
    .process-section {
        padding: 50px 0;
    }
    
    .process-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .step-number {
        width: 45px;
        height: 45px;
        font-size: 20px;
        top: 15px;
        right: 15px;
    }
    
    .step-title {
        font-size: 18px;
    }
    
    .step-description {
        font-size: 14px;
    }
    
    .process-contact-button {
        font-size: 16px;
        padding: 12px 30px;
    }
}

/* ========================================
   Core Product Advantages Section
   ======================================== */

.advantages-section {
    background-color: #fdf3f1;
    padding: 80px 0;
}

.advantages-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 60px;
}

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

.advantage-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    /* border: 3px solid var(--primary-color); */
    transition: all var(--transition-speed) var(--transition-easing);
    cursor: pointer;
    height: 400px;
}

.advantage-card:hover {
    /* border-color: #d66300; */
    border: 3px solid var(--primary-color); 
    /* box-shadow: 0 8px 24px rgba(255, 116, 0, 0.4); */
    transform: translateY(-5px);
}

.card-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.card-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-hover-text {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    color: var(--text-white);
    padding: 20px;
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 2;
    display: flex;
    align-items: flex-start;
    padding-top: 30px;
}

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

.card-hover-text p {
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 25px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.6) 70%, transparent 100%);
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-white);
    margin: 0;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    flex: 1;
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    transition: all var(--transition-speed) var(--transition-easing);
}

.advantage-card:hover .card-icon {
    background-color: #d66300;
    transform: rotate(45deg);
}

/* Product Specifications */
.product-specs {
    /* max-width: 1000px; */
    margin: 60px auto 40px;
    background-color: var(--text-white);
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    padding: 40px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 10px;
}

.spec-label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 16px;
    min-width: 140px;
}

.spec-value {
    color: #555;
    font-size: 16px;
}

.advantages-cta {
    text-align: center;
    margin-top: 40px;
}

.advantages-contact-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 15px 40px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all var(--transition-speed) var(--transition-easing);
}

.advantages-contact-button:hover {
    background-color: #e66900;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 116, 0, 0.3);
}

/* 响应式 - 平板 */
@media (max-width: 1199px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .advantages-title {
        font-size: 36px;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-specs {
        padding: 30px;
    }
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
    .advantages-section {
        padding: 50px 0;
    }
    
    .advantages-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-card {
        height: 350px;
    }
    
    .card-title {
        font-size: 20px;
    }
    
    .card-hover-text p {
        font-size: 13px;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .product-specs {
        padding: 25px;
        margin: 40px auto 30px;
    }
    
    .spec-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px;
    }
    
    .spec-label {
        min-width: auto;
        font-size: 14px;
    }
    
    .spec-value {
        font-size: 14px;
    }
    
    .advantages-contact-button {
        font-size: 16px;
        padding: 12px 30px;
    }
}