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

:root {
    --primary-color: #ff2442;
    --secondary-color: #ff6b6b;
    --accent-color: #ff8a80;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #666;
    --gradient-primary: linear-gradient(135deg, #ff2442 0%, #ff6b6b 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 15px 50px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    overflow-x: hidden;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    box-shadow: none;
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-title {
    margin-bottom: 20px;
}

.title-cn {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.title-en {
    display: block;
    font-size: 1.5rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 8px;
}

.hero-divider {
    width: 100px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 30px auto;
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 10px;
}

.hero-subtitle-en {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 4px;
}

.about-section {
    padding: 100px 0;
    background: #fff;
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: var(--shadow-medium);
}

.about-icon i {
    font-size: 2rem;
    color: #fff;
}

.about-text {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--text-light);
}

.about-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.services-section {
    padding: 100px 0;
    background: var(--light-color);
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    letter-spacing: 4px;
}

.we-offer {
    text-align: center;
    margin-bottom: 40px;
}

.we-offer h3 {
    font-size: 1.8rem;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.we-offer-en {
    font-size: 0.9rem;
    color: var(--text-light);
    letter-spacing: 3px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.feature-card h4 {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.agency-invite {
    text-align: center;
    padding: 40px;
    background: var(--gradient-dark);
    border-radius: var(--border-radius);
    margin-bottom: 60px;
}

.agency-invite h3 {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 10px;
}

.agency-invite-en {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 2px;
}

.service-list-header {
    text-align: center;
    margin-bottom: 40px;
}

.service-list-header h3 {
    font-size: 1.8rem;
    color: var(--dark-color);
}

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

.service-card {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: var(--shadow-medium);
}

.service-card.full-width {
    grid-column: 1 / -1;
}

.service-header {
    background: var(--gradient-primary);
    padding: 20px 30px;
}

.service-header h3 {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 600;
}

.service-intro {
    padding: 25px 30px;
    color: var(--text-light);
    line-height: 1.8;
    border-bottom: 1px solid #eee;
}

.service-items {
    padding: 20px 30px;
}

.service-item {
    margin-bottom: 20px;
}

.service-item:last-child {
    margin-bottom: 0;
}

.service-item h4 {
    color: var(--dark-color);
    font-size: 1rem;
    margin-bottom: 10px;
}

.service-item ul {
    list-style: none;
    padding-left: 15px;
}

.service-item li {
    color: var(--text-light);
    padding: 5px 0;
    position: relative;
    padding-left: 15px;
}

.service-item li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.course-list {
    padding: 20px 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.course-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--light-color);
    border-radius: 8px;
    transition: var(--transition);
}

.course-item:hover {
    background: #fff;
    box-shadow: var(--shadow-light);
}

.course-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.course-item span {
    color: var(--dark-color);
    font-weight: 500;
}

.past-courses {
    padding: 20px 30px;
    border-top: 1px solid #eee;
}

.past-courses h4 {
    color: var(--dark-color);
    margin-bottom: 15px;
}

.partner-logos {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.partner-logo {
    width: 60px;
    height: 60px;
    background: var(--light-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.5rem;
}

.douyin-services,
.dianping-services,
.tencent-services,
.baidu-services {
    padding: 20px 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.douyin-item,
.dianping-item,
.tencent-item,
.baidu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--light-color);
    border-radius: 8px;
    transition: var(--transition);
}

.douyin-item:hover,
.dianping-item:hover,
.tencent-item:hover,
.baidu-item:hover {
    background: #fff;
    box-shadow: var(--shadow-light);
}

.douyin-item i,
.dianping-item i,
.tencent-item i,
.baidu-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.douyin-item span,
.dianping-item span,
.tencent-item span,
.baidu-item span {
    color: var(--dark-color);
    font-size: 0.9rem;
}

.contact-section {
    padding: 100px 0;
    background: #fff;
}

.contact-header {
    text-align: center;
    margin-bottom: 60px;
}

.contact-header h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.contact-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    letter-spacing: 4px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--dark-color);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-item p {
    color: var(--text-light);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.submit-btn {
    padding: 15px 40px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.footer {
    background: var(--gradient-dark);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-top: 5px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
}

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

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-on-scroll {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.animate-ready {
    opacity: 0;
}

.animate-on-scroll.animate-in {
    opacity: 1;
}

.animate-on-scroll:nth-child(1) {
    animation-delay: 0.1s;
}

.animate-on-scroll:nth-child(2) {
    animation-delay: 0.2s;
}

.animate-on-scroll:nth-child(3) {
    animation-delay: 0.3s;
}

.animate-on-scroll:nth-child(4) {
    animation-delay: 0.4s;
}

.animate-on-scroll:nth-child(5) {
    animation-delay: 0.5s;
}

.feature-card.animate-in {
    animation: scaleIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.service-card.animate-in {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.contact-info.animate-in {
    animation: slideInLeft 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.contact-form.animate-in {
    animation: slideInRight 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.section-header.animate-in,
.we-offer.animate-in,
.service-list-header.animate-in {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.agency-invite.animate-in {
    animation: scaleIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.about-content.animate-in {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Apple-style hover effects */
.service-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

/* Apple-style button hover */
.submit-btn {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 36, 66, 0.4);
}

/* Apple-style form inputs */
.form-group input,
.form-group textarea {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 36, 66, 0.1);
    transform: translateY(-1px);
}

/* Parallax effect */
.hero {
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.03"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    opacity: 0.5;
    transform: translateZ(-1px) scale(2);
    will-change: transform;
}

@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card.full-width {
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: var(--shadow-medium);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .hamburger {
        display: flex;
    }
    
    .title-cn {
        font-size: 2.5rem;
    }
    
    .title-en {
        font-size: 1rem;
        letter-spacing: 4px;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .title-cn {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .agency-invite h3 {
        font-size: 1.2rem;
    }
    
    .agency-invite-en {
        font-size: 0.8rem;
    }
    
    .douyin-services,
    .dianping-services,
    .tencent-services,
    .baidu-services {
        flex-direction: column;
    }
    
    .douyin-item,
    .dianping-item,
    .tencent-item,
    .baidu-item {
        width: 100%;
    }
}