/* 基础样式 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
    --primary-color: #8D3B2A;
    --secondary-color: #D9A566;
    --dark-color: #2C2C2C;
    --light-color: #F5F5F5;
    --gray-color: #666666;
    --light-gray: #E0E0E0;
    --white-color: #FFFFFF;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif SC', serif;
    font-weight: 600;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    color: var(--dark-color);
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 12px 28px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #6d2e21;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

section {
    padding: 100px 0;
}

/* 导航栏 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
}

.logo {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    justify-content: space-around;
    width: 40%;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
}

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

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

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

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 5px;
    transition: var(--transition);
}

/* 英雄区域 */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('./img/1.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white-color);
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 5rem;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    font-weight: 400;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 关于部分 */
.about {
    background-color: var(--light-color);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.about-image img:hover {
    transform: scale(1.05);
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--gray-color);
}

.stats {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.label {
    font-size: 1rem;
    color: var(--gray-color);
}

/* 作品部分 */
.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
    gap: 10px;
}

.filter-btn {
    background: none;
    border: 2px solid var(--light-gray);
    padding: 8px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    color: var(--gray-color);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-color);
    color: var(--white-color);
    border-color: var(--primary-color);
}

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

.work-item {
    background-color: var(--light-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)), url('./img/home.png') no-repeat center center/cover;
}

.work-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.work-info {
    padding: 25px;
    text-align: center;
    color: var(--white-color);
    background-color: rgba(0, 0, 0, 0.7);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.work-item:hover .work-info {
    opacity: 1;
}

.work-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.work-info p {
    margin-bottom: 15px;
    font-size: 1rem;
}

.category {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.more-works {
    text-align: center;
    margin-top: 30px;
}

/* 评价部分 */
.testimonials {
    background-color: var(--light-color);
    text-align: center;
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.testimonial {
    padding: 20px;
}

.quote {
    font-size: 1.3rem;
    font-style: italic;
    margin-bottom: 30px;
    position: relative;
    padding: 0 30px;
}

.quote::before, .quote::after {
    content: '"';
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
}

.quote::before {
    top: -20px;
    left: 0;
}

.quote::after {
    bottom: -40px;
    right: 0;
}

.author {
    font-weight: 600;
    color: var(--primary-color);
}

.slider-dots {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--light-gray);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary-color);
}

/* 联系部分 */
.contact-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
    color: var(--gray-color);
    font-size: 1.1rem;
}

.contact-content {
    display: flex;
    gap: 50px;
}

.contact-form, .contact-info {
    flex: 1;
}

.contact-form h3, .contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--dark-color);
}

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

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    font-size: 1rem;
    font-family: 'Noto Sans SC', sans-serif;
    transition: var(--transition);
}

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

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    width: 30px;
    text-align: center;
}

.info-item p {
    font-size: 1.1rem;
    color: var(--gray-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--light-color);
    color: var(--primary-color);
    font-size: 1.3rem;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-5px);
}

/* 页脚 */
footer {
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: 70px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.footer-logo p {
    color: var(--light-gray);
}

.footer-links h4, .footer-newsletter h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--light-gray);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-newsletter p {
    color: var(--light-gray);
    margin-bottom: 15px;
}

.newsletter-form {
    display: flex;
}

.newsletter-form input {
    padding: 10px 15px;
    border: none;
    border-radius: 4px 0 0 4px;
    width: 70%;
    font-size: 0.9rem;
}

.newsletter-form button {
    background-color: var(--primary-color);
    color: var(--white-color);
    border: none;
    padding: 0 15px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: #6d2e21;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--light-gray);
}

/* 响应式设计 */
@media screen and (max-width: 1024px) {
    .nav-links {
        width: 60%;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .footer-content > div {
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 768px) {
    body {
        overflow-x: hidden;
    }
    
    .nav-links {
        position: absolute;
        right: 0;
        height: 92vh;
        top: 8vh;
        background-color: var(--white-color);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 50%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        box-shadow: -5px 0 10px rgba(0, 0, 0, 0.1);
        z-index: 1;
    }
    
    .nav-links li {
        opacity: 0;
        margin: 20px 0;
    }
    
    .burger {
        display: block;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .works-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .footer-content {
        flex-direction: column;
    }
}

@media screen and (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.2rem;
    }
    
    .about-text h3 {
        font-size: 1.5rem;
    }
    
    .stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 80%;
    }
    
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        width: 100%;
        border-radius: 4px;
        margin-bottom: 10px;
    }
    
    .newsletter-form button {
        width: 100%;
        border-radius: 4px;
        padding: 10px;
    }
}

.nav-active {
    transform: translateX(0%);
}

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

.toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.toggle .line2 {
    opacity: 0;
}

.toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
}