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

:root {
    --primary-color: #ff6b9d;
    --secondary-color: #ffc6d9;
    --accent-color: #ffeb3b;
    --text-dark: #333;
    --text-light: #666;
    --text-white: #fff;
    --bg-light: #fff5f8;
    --bg-white: #ffffff;
    --border-color: #ffe0ec;
    --shadow: 0 4px 15px rgba(255, 107, 157, 0.1);
    --shadow-hover: 0 8px 25px rgba(255, 107, 157, 0.2);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* 导航栏 */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

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

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #ff8fab);
    color: var(--text-white);
}

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

.btn-secondary {
    background: var(--bg-white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--secondary-color) 100%);
    padding: 80px 0;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
}

.hero-title {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-emoji {
    text-align: center;
}

.emoji-float {
    font-size: 15rem;
    animation: float 3s ease-in-out infinite;
}

.emoji-float-img {
    max-width: 400px;
    width: 100%;
    height: auto;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 10px 30px rgba(255, 107, 157, 0.3));
}

/* 特色区域 */
.features {
    padding: 80px 0;
}

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

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

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

.feature-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-light);
}

/* 表情预览 */
.preview {
    padding: 80px 0;
    background: var(--bg-light);
}

.emoji-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.emoji-preview-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.emoji-preview-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

.emoji-image {
    width: 100%;
    max-width: 150px;
    height: 150px;
    object-fit: contain;
    margin: 0 auto 1rem;
    display: block;
    border-radius: 10px;
}

.emoji-placeholder {
    font-size: 4rem;
    margin-bottom: 0.5rem;
    display: none;
}

.emoji-large {
    font-size: 4rem;
    margin-bottom: 0.5rem;
}

.emoji-preview-card p {
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 0.5rem;
}

.text-center {
    text-align: center;
    margin-top: 3rem;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), #ff8fab);
    color: var(--text-white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 表情展示页 */
.emoji-gallery {
    padding: 80px 0;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.category-tab {
    padding: 10px 25px;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-dark);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.category-tab:hover,
.category-tab.active {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.emoji-category {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--border-color);
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
}

.emoji-card {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.emoji-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.emoji-img {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.emoji-img-real {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.emoji-info h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.emoji-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 产品页 */
.products {
    padding: 80px 0;
}

.product-category {
    margin-bottom: 4rem;
}

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

.product-card {
    background: var(--bg-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.product-image {
    background: var(--bg-light);
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
}

.product-emoji {
    font-size: 5rem;
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.product-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

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

.price {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

.original-price {
    font-size: 1rem;
    color: var(--text-light);
    text-decoration: line-through;
}

/* 购买提示 */
.purchase-notice {
    background: var(--bg-light);
    padding: 60px 0;
}

.notice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

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

.notice-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.notice-item h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

/* 联系页 */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2,
.contact-form-wrapper h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 15px;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-block;
    padding: 5px 15px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 15px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* 联系表单 */
.contact-form-wrapper {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}

/* FAQ区域 */
.faq-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.faq-item {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.faq-item h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 地图区域 */
.map-section {
    padding: 80px 0;
}

.map-placeholder {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 4rem;
    text-align: center;
    margin-top: 2rem;
}

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

.map-placeholder p {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.map-note {
    color: var(--text-light);
    font-size: 1rem !important;
}

/* 底部 */
.footer {
    background: linear-gradient(135deg, var(--text-dark), #555);
    color: var(--text-white);
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* 关于我们页面样式 */
.about-story {
    padding: 80px 0;
}

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

.story-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.story-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 1.5rem;
}

.story-image {
    text-align: center;
}

.about-emoji {
    font-size: 12rem;
    animation: float 3s ease-in-out infinite;
}

.mission-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.mission-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.mission-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.mission-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.mission-card p {
    color: var(--text-light);
    line-height: 1.8;
}

.timeline-section {
    padding: 80px 0;
}

.timeline {
    max-width: 800px;
    margin: 3rem auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(even) .timeline-year {
    order: 2;
}

.timeline-item:nth-child(even) .timeline-content {
    order: 1;
    text-align: right;
}

.timeline-year {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-content {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

.timeline-content h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-light);
    line-height: 1.8;
}

.team-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.team-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.team-avatar {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.team-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.team-card p {
    color: var(--text-light);
}

.values-section {
    padding: 80px 0;
}

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

.value-item {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    transition: var(--transition);
}

.value-item:hover {
    transform: translateX(10px);
    background: var(--bg-white);
    box-shadow: var(--shadow);
}

.value-item h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-item p {
    color: var(--text-light);
    line-height: 1.8;
}

.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), #ff8fab);
    color: var(--text-white);
}

.stats-section .section-title {
    color: var(--text-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

.join-section {
    padding: 80px 0;
    background: var(--bg-light);
    text-align: center;
}

.join-content h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.join-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.join-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .emoji-float {
        font-size: 8rem;
    }

    .emoji-float-img {
        max-width: 250px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

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

    .feature-grid,
    .emoji-preview-grid,
    .emoji-grid,
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .story-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-emoji {
        font-size: 8rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 50px;
    }

    .timeline-item:nth-child(even) .timeline-year {
        order: 1;
    }

    .timeline-item:nth-child(even) .timeline-content {
        order: 2;
        text-align: left;
    }

    .timeline-year {
        position: absolute;
        left: 0;
        font-size: 1.5rem;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .emoji-float {
        font-size: 6rem;
    }

    .feature-card,
    .emoji-card,
    .product-card {
        padding: 1rem;
    }
}