/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c5f2d;
    --secondary-color: #8B7355;
    --accent-color: #D2B48C;
    --background-color: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #888888;
    --border-color: #e0e0e0;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --max-width: 1200px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Latao';
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: var(--transition);
}

.nav-brand:hover {
    opacity: 0.8;
}

.nav-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.nav-brand h1 {

    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

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

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

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

.sound-control-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sound-icon {
    cursor: pointer;
    padding: 12px;
    border-radius: 50%;
    background: var(--accent-color);
    color: white;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sound-status {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    min-width: 30px;
}

/* 主页样式 */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(44, 95, 45, 0.7) 0%,
        rgba(139, 115, 85, 0.6) 50%,
        rgba(210, 180, 140, 0.5) 100%
    );
    z-index: -1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: white;
    max-width: 1000px;
    padding: 0 24px;
}

.hero-text {
    margin-bottom: 3rem;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 900px;
    opacity: 0.9;
    font-weight: 400;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

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

.hero-box {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(25px);
    padding: 3.5rem 4.5rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    text-align: center;
    animation: floatAnimation 6s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

@keyframes floatAnimation {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-title {

    font-size: 2.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    opacity: 0.8;
    margin-bottom: 2rem;
    font-weight: 300;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.cta-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.8px;
    box-shadow: 0 4px 15px rgba(44, 95, 45, 0.4);
}

.cta-button:hover {
    background: #1e4220;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 30px rgba(44, 95, 45, 0.5);
}

/* 预览区域 */
.preview-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-title {

    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-weight: 600;
}

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

.preview-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px var(--shadow-light);
    text-align: center;
    transition: var(--transition);
}

.preview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-medium);
}

.preview-card h3 {

    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.preview-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.preview-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    padding: 12px 24px;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.preview-link:hover {
    background: var(--primary-color);
    color: white;
}

/* 历史页面样式 */
.history-main,
.soundmap-main,
.workshops-main,
.support-main {
    padding-top: 120px;
    padding-bottom: 120px;
    min-height: 100vh;
}

.page-header {
    text-align: center;
    margin-bottom: 5rem;
}

.page-title {

    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.page-description {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.interactive-video-container {
    margin: 4rem auto;
    max-width: 450px;
    width: 50%;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.interactive-video-container:hover {
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
    transform: translateY(-5px);
}

.interactive-video {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: var(--transition);
}

.history-timeline {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.history-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.history-item.reverse {
    direction: rtl;
}

.history-item.reverse > * {
    direction: ltr;
}

.history-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 12px 40px var(--shadow-medium);
}

.history-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition);
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(44, 95, 45, 0.2) 0%, 
        rgba(139, 115, 85, 0.1) 100%);
}

.history-content {
    padding: 2rem;
}

.history-number {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.history-title {

    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.history-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

/* 声音地图样式 */
.soundmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.sound-item {
    cursor: pointer;
    transition: var(--transition);
}

.sound-item:hover {
    transform: translateY(-5px);
}

.sound-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
    height: 300px;
}

.sound-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sound-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 95, 45, 0.85) 0%, rgba(139, 115, 85, 0.85) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.sound-item:hover .sound-overlay {
    opacity: 1;
}

.click-to-listen {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    padding: 1.5rem 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.click-to-listen:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.sound-info h3 {

    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.sound-info p {
    color: var(--text-secondary);
}

/* 故事弹窗 */
.story-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.story-modal.active {
    display: flex;
}

.story-content {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    max-width: 600px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

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

.story-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.story-close:hover {
    color: var(--text-primary);
}

.story-content h2 {

    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    line-height: 1.4;
}

.story-content p {
    line-height: 1.7;
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* 工作坊样式 */
.workshop-description {
    max-width: 800px;
    margin: 0 auto 4rem;
}

.workshop-address {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.video-container {
    margin-bottom: 4rem;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 12px 40px var(--shadow-medium);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.cultural-statement {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--border-radius);
    padding: 3rem;
    color: white;
}

.statement-content {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.statement-icon {
    flex-shrink: 0;
}

.statement-text h3 {

    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.statement-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.9;
}

/* 支持页面样式 */
.visit-section,
.testimonial-section,
.support-section {
    margin-bottom: 8rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 700px;
    margin: 1.5rem auto 0;
}

.visit-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.visit-button {
    display: flex;
    align-items: center;
    padding: 2.5rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08);
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 1.75rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.visit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.visit-button:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(44, 95, 45, 0.15);
    border-color: var(--accent-color);
}

.visit-button:hover::before {
    opacity: 0.03;
}

.visit-button:hover .button-icon {
    background: var(--primary-color);
    transform: rotate(10deg) scale(1.1);
}

.visit-button:hover .button-arrow {
    transform: translateX(5px);
}

.visit-button > * {
    position: relative;
    z-index: 1;
}

.button-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.4s ease;
}

.button-content {
    flex: 1;
}

.button-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.button-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.button-arrow {
    flex-shrink: 0;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

/* Testimonial Section */
.testimonial-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 24px;
    padding: 4rem;
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.08);
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.quote-mark {
    font-size: 8rem;

    color: var(--accent-color);
    line-height: 1;
    opacity: 0.15;
    margin-bottom: 1rem;
    font-weight: 400;
}

.testimonial-quote {
    font-size: 1.35rem;
    line-height: 1.8;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 3rem;
    font-weight: 400;
}

.testimonial-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.testimonial-avatar {
    flex-shrink: 0;
}

.testimonial-avatar img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
}

.testimonial-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial-name {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.35rem;
    font-weight: 600;
}

.testimonial-citation {
    color: var(--text-secondary);
    font-size: 1rem;
    font-style: italic;
}

/* Support Section */
.support-header {
    text-align: center;
    margin-bottom: 3rem;
}

.support-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 700px;
    margin: 1rem auto 0;
}

.support-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.support-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e4220 100%);
    color: white;
    padding: 1.25rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.15rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(44, 95, 45, 0.25);
    position: relative;
    overflow: hidden;
}

.support-button::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 0.5s;
}

.support-button:hover::before {
    left: 100%;
}

.support-button:hover {
    background: linear-gradient(135deg, #1e4220 0%, var(--primary-color) 100%);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(44, 95, 45, 0.35);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-box {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .history-item {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .history-item.reverse {
        direction: ltr;
    }
    
    .soundmap-grid {
        grid-template-columns: 1fr;
    }
    
    .visit-buttons {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .visit-button {
        padding: 1.75rem;
        gap: 1.25rem;
    }
    
    .button-icon {
        width: 56px;
        height: 56px;
    }
    
    .button-content h3 {
        font-size: 1.2rem;
    }
    
    .button-content p {
        font-size: 0.9rem;
    }
    
    .testimonial-card {
        padding: 2.5rem 1.5rem;
    }
    
    .quote-mark {
        font-size: 6rem;
    }
    
    .testimonial-quote {
        font-size: 1.15rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-info {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .testimonial-avatar img {
        width: 60px;
        height: 60px;
    }
    
    .testimonial-name {
        font-size: 1.2rem;
    }
    
    .section-description,
    .support-subtitle {
        font-size: 1.1rem;
    }
    
    .statement-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .interactive-video-container {
        margin: 2rem auto;
        border-radius: 15px;
    }
    
    .page-description {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: none;
    z-index: 1000;
    padding: 8px 0 max(env(safe-area-inset-bottom), 8px) 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 4px;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    font-size: 0.75rem;
    font-weight: 500;
}

.mobile-nav-item:hover,
.mobile-nav-item.active {
    color: white;
}

.mobile-nav-item svg {
    transition: var(--transition);
}

.mobile-nav-item.active svg {
    transform: scale(1.1);
}

.mobile-nav-item span {
    font-size: 0.7rem;
}

/* Show mobile bottom nav on small screens */
@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
    }
    
    .main-content {
        padding-bottom: 80px;
    }
    
    .history-main,
    .soundmap-main,
    .workshops-main,
    .support-main {
        padding-bottom: 90px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-brand h1 {
        font-size: 1.2rem;
    }
    
    .sound-status {
        display: none;
    }
}

/* Cultural Experience Message */
.cultural-message {
    text-align: center;
    padding: 3rem 2rem;
    margin-top: 4rem;
    background: linear-gradient(135deg, rgba(44, 95, 45, 0.03) 0%, rgba(139, 115, 85, 0.03) 100%);
    border-radius: 20px;
    border: 1px solid rgba(44, 95, 45, 0.1);
}

.cultural-question {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.cultural-call {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-top: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* 响应式调整文化信息 */
@media (max-width: 768px) {
    .cultural-message {
        padding: 2rem 1.5rem;
        margin-top: 3rem;
    }
    
    .cultural-question {
        font-size: 1.2rem;
    }
    
    .cultural-call {
        font-size: 1.3rem;
    }
}