/* 曜阳云智企业官网 - 现代科技风样式 */
/* 基础重置和变量定义 */
:root {
    --primary-color: #0066ff;
    --secondary-color: #00a8e8;
    --accent-color: #7b61ff;
    --dark-color: #ffffff;
    --dark-gray: #f8fafc;
    --medium-gray: #e2e8f0;
    --light-gray: #64748b;
    --text-color: #1e293b;
    --text-secondary: #475569;
    --light-color: #ffffff;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-dark: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 20px rgba(0, 102, 255, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--light-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--light-color);
    transform: translateY(-3px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

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

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

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

.nav-menu li {
    margin-left: 40px;
}

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

.nav-menu a:hover {
    color: var(--secondary-color);
}

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

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

.nav-cta {
    display: flex;
    gap: 15px;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* AIGC大赛轮播横幅样式 */
.aigc-banner {
    padding: 100px 0 0;
    background: #f8f7f4;
    position: relative;
}

.carousel-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 60px;
    position: relative;
}

.carousel-wrapper {
    position: relative;
    min-height: 420px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    transform: translateX(30px);
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* 大赛卡片整体样式 */
.competition-card {
    display: flex;
    gap: 40px;
    background: #fafaf9;
    border: 1px solid #e7e5e4;
    border-radius: 24px;
    padding: 40px 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

/* 左侧主内容区 */
.competition-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 方向标签 */
.direction-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f5f5f4;
    border: 1px solid #e7e5e4;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #57534e;
    width: fit-content;
    margin-bottom: 20px;
}

.direction-tag i {
    color: #0d9488;
    font-size: 0.85rem;
}

/* 大赛标题 */
.competition-title {
    font-size: 2.8rem;
    font-weight: 600;
    color: #1c1917;
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* 大赛描述 */
.competition-desc {
    font-size: 1rem;
    color: #57534e;
    line-height: 1.7;
    margin-bottom: 24px;
    max-width: 520px;
}

/* 标签组 */
.competition-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.tag-item {
    padding: 8px 18px;
    background: #f5f5f4;
    border: 1px solid #e7e5e4;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #44403c;
    transition: all 0.2s ease;
}

.tag-item:hover {
    background: #e7e5e4;
}

/* 查看详情按钮 */
.competition-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: #0c4a6e;
    color: white;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 30px;
    width: fit-content;
    transition: all 0.3s ease;
}

.competition-btn:hover {
    background: #075985;
    transform: translateX(3px);
}

.competition-btn i {
    font-size: 0.85rem;
    transition: transform 0.3s ease;
}

.competition-btn:hover i {
    transform: translateX(3px);
}

/* 右侧亮点区域 */
.competition-highlight {
    flex: 0 0 360px;
    display: flex;
}

.highlight-card {
    background: white;
    border: 1px solid #e7e5e4;
    border-radius: 16px;
    padding: 28px;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.highlight-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #0c4a6e;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}

.highlight-desc {
    font-size: 1.1rem;
    color: #292524;
    line-height: 1.6;
    margin-bottom: 24px;
    flex: 1;
}

.highlight-tags {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.highlight-tags .tag-item {
    text-align: center;
    padding: 10px 16px;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: #d6d3d1;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    width: 24px;
    border-radius: 4px;
    background: #0c4a6e;
}

.indicator:hover {
    background: #0c4a6e;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #e7e5e4;
    background: white;
    color: #57534e;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: #0c4a6e;
    color: white;
    border-color: #0c4a6e;
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 4px 12px rgba(12, 74, 110, 0.2);
}

.carousel-prev {
    left: 0;
}

.carousel-next {
    right: 0;
}

/* 第二种轮播图样式 - 图片样式 */
.carousel-content-img {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    background: linear-gradient(135deg, #fefce8 0%, #fef9c3 50%, #fef08a 100%);
    border-radius: 24px;
    padding: 50px 60px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* 第三种轮播图样式 - 全图片展示 */
.carousel-full-image {
    position: relative;
    width: 100%;
    height: 420px;
    border-radius: 24px;
    overflow: hidden;
}

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

.full-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.1) 100%);
    display: flex;
    align-items: center;
}

.full-image-content {
    padding: 60px;
    color: white;
    max-width: 600px;
}

.full-image-tag {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #10b981, #34d399);
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.full-image-content h2 {
    font-size: 3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 16px;
    line-height: 1.2;
}

.full-image-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 30px;
}

.carousel-text-img {
    flex: 1;
}

.carousel-tag-img {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #ef4444, #f97316);
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.carousel-tag-img.tag-red {
    background: linear-gradient(135deg, #ef4444, #f97316);
}

.carousel-tag-img.tag-blue {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
}

.carousel-tag-img.tag-green {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.carousel-text-img h2 {
    font-size: 2.6rem;
    font-weight: 600;
    color: #1c1917;
    margin-bottom: 16px;
    line-height: 1.2;
}

.carousel-text-img p {
    font-size: 1.05rem;
    color: #57534e;
    line-height: 1.7;
    margin-bottom: 24px;
}

.carousel-tags-img {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}

.tag-img {
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    font-size: 0.9rem;
    color: #44403c;
}

.carousel-image-box {
    flex: 0 0 420px;
    height: 280px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.carousel-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.carousel-slide:hover .carousel-image-box img {
    transform: scale(1.05);
}

@media (max-width: 992px) {
    .competition-card {
        flex-direction: column;
        padding: 30px;
    }

    .competition-highlight {
        flex: 1;
        width: 100%;
    }

    .competition-title {
        font-size: 2.2rem;
    }

    .highlight-card {
        padding: 24px;
    }

    .highlight-tags {
        flex-direction: row;
        flex-wrap: wrap;
    }

    /* 图片样式响应式 */
    .carousel-content-img {
        flex-direction: column;
        padding: 30px;
        gap: 30px;
    }

    .carousel-text-img {
        text-align: center;
    }

    .carousel-text-img h2 {
        font-size: 2rem;
    }

    .carousel-tags-img {
        justify-content: center;
    }

    .carousel-image-box {
        flex: 0 0 auto;
        width: 100%;
        max-width: 450px;
        height: 240px;
        order: -1;
    }

    /* 全图片样式响应式 */
    .carousel-full-image {
        height: 380px;
    }

    .full-image-content {
        padding: 40px;
    }

    .full-image-content h2 {
        font-size: 2.4rem;
    }
}

@media (max-width: 768px) {
    .carousel-container {
        padding: 30px 15px;
    }

    .carousel-wrapper {
        min-height: auto;
    }

    .competition-card {
        padding: 24px;
        border-radius: 16px;
    }

    .competition-title {
        font-size: 1.8rem;
    }

    .competition-tags {
        gap: 8px;
    }

    .tag-item {
        padding: 6px 14px;
        font-size: 0.85rem;
    }

    .carousel-btn {
        display: none;
    }

    /* 图片样式移动端 */
    .carousel-content-img {
        padding: 24px;
    }

    .carousel-text-img h2 {
        font-size: 1.6rem;
    }

    .carousel-image-box {
        height: 200px;
    }

    /* 全图片样式移动端 */
    .carousel-full-image {
        height: 320px;
        border-radius: 16px;
    }

    .full-image-content {
        padding: 30px;
        max-width: 100%;
    }

    .full-image-content h2 {
        font-size: 1.8rem;
    }

    .full-image-content p {
        font-size: 1rem;
    }
}

/* 关于我们样式 */
.about {
    padding: 100px 0;
    background: #ffffff;
}

/* 页脚样式 */
.footer {
    background: #f1f5f9;
    padding: 80px 0 30px;
    border-top: 1px solid var(--medium-gray);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer .logo-image {
    height: 30px;
    margin-bottom: 15px;
}

.footer-col h4 {
    margin-bottom: 25px;
    font-size: 1.2rem;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--medium-gray);
    border-radius: 50%;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.subscribe-form {
    display: flex;
    margin-top: 15px;
}

.subscribe-form input {
    flex: 1;
    padding: 12px 15px;
    background: var(--light-color);
    border: 1px solid var(--medium-gray);
    border-right: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    color: var(--text-color);
}

.subscribe-form button {
    padding: 12px 20px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    color: var(--light-color);
    cursor: pointer;
    transition: var(--transition);
}

.subscribe-form button:hover {
    opacity: 0.9;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--medium-gray);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 10px;
}

.footer-bottom a:hover {
    color: var(--secondary-color);
}

/* 备案信息链接 */
.beian-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 10px;
}

.beian-links a {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin: 0;
}

.beian-links a:hover {
    color: var(--secondary-color);
}

.gongan-icon {
    height: 14px;
    width: auto;
    margin-right: 5px;
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--light-color);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .logo-image {
        height: 35px;
    }

    .footer .logo-image {
        height: 25px;
    }

    .beian-links {
        flex-direction: column;
        gap: 15px;
    }

    .gongan-icon {
        height: 12px;
    }

    /* 移动端AIGC横幅调整 */
    .aigc-banner {
        padding: 80px 0 0;
    }

    .carousel-container {
        padding: 20px 15px;
    }

    .carousel-wrapper {
        min-height: 320px;
        height: 320px;
    }

    .carousel-slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        visibility: hidden;
        transform: translateX(30px);
        display: block;
    }

    .carousel-slide.active {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    /* 移动端统一轮播图容器高度 */
    .competition-card,
    .carousel-content-img,
    .carousel-full-image {
        height: 320px;
        min-height: 320px;
        overflow: hidden;
    }

    /* 卡片样式移动端简化 - 隐藏赛事亮点 */
    .competition-card {
        padding: 20px;
        gap: 0;
        flex-direction: column;
    }

    .competition-main {
        width: 100%;
    }

    .competition-title {
        font-size: 1.4rem;
        margin-bottom: 12px;
    }

    .competition-desc {
        font-size: 0.85rem;
        margin-bottom: 12px;
        line-height: 1.5;
    }

    .competition-tags {
        gap: 6px;
        margin-bottom: 16px;
    }

    .tag-item {
        padding: 5px 10px;
        font-size: 0.75rem;
    }

    /* 移动端隐藏赛事亮点卡片 */
    .competition-highlight {
        display: none;
    }

    .competition-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    /* 图片样式移动端调整 - 隐藏图片 */
    .carousel-content-img {
        padding: 20px;
        gap: 0;
        flex-direction: column;
        background: linear-gradient(135deg, #fefce8 0%, #fef9c3 100%);
        border-radius: 16px;
    }

    /* 移动端隐藏轮播图2的图片 */
    .carousel-image-box {
        display: none;
    }

    .carousel-text-img {
        text-align: left;
    }

    .carousel-text-img h2 {
        font-size: 1.4rem;
        margin-bottom: 12px;
    }

    .carousel-text-img p {
        font-size: 0.85rem;
        margin-bottom: 12px;
        line-height: 1.5;
    }

    .carousel-tags-img {
        gap: 6px;
        margin-bottom: 16px;
    }

    .tag-img {
        padding: 5px 10px;
        font-size: 0.75rem;
    }

    .carousel-tag-img {
        padding: 6px 14px;
        font-size: 0.75rem;
        margin-bottom: 12px;
    }

    /* 全图片样式移动端调整 - 改为卡片样式 */
    .carousel-full-image {
        height: 320px;
        border-radius: 16px;
        background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    }

    /* 移动端隐藏全图片背景，改为纯色背景 */
    .carousel-full-image > img {
        display: none;
    }

    .full-image-overlay {
        position: relative;
        background: none;
        height: 100%;
        display: flex;
        align-items: flex-start;
        padding: 20px;
    }

    .full-image-content {
        padding: 0;
        max-width: 100%;
    }

    .full-image-content h2 {
        font-size: 1.4rem;
        margin-bottom: 12px;
    }

    .full-image-content p {
        font-size: 0.85rem;
        margin-bottom: 16px;
        line-height: 1.5;
    }

    .full-image-tag {
        padding: 6px 14px;
        font-size: 0.75rem;
        margin-bottom: 12px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.8rem;
    }

    .logo-image {
        height: 30px;
    }

    /* 小屏幕进一步优化 */
    .aigc-banner {
        padding: 70px 0 0;
    }

    .carousel-wrapper {
        min-height: 280px;
        height: 280px;
    }

    .competition-card,
    .carousel-content-img,
    .carousel-full-image {
        height: 280px;
        min-height: 280px;
    }

    .competition-title,
    .carousel-text-img h2,
    .full-image-content h2 {
        font-size: 1.25rem;
    }

    .competition-desc,
    .carousel-text-img p,
    .full-image-content p {
        font-size: 0.8rem;
    }

    .footer .logo-image {
        height: 20px;
    }

    .beian-links {
        gap: 10px;
    }

    .gongan-icon {
        height: 10px;
    }
}

/* ==================== AI创作工具区样式 ==================== */
.ai-tools {
    padding: 100px 0;
    background: linear-gradient(135deg, #fafaf9 0%, #f5f5f4 100%);
}

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

.tool-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e7e5e4;
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    border-color: #0d9488;
}

.tool-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
    color: white;
}

.tool-card:nth-child(2) .tool-icon {
    background: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%);
}

.tool-card:nth-child(3) .tool-icon {
    background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
}

.tool-card h3 {
    font-size: 1.5rem;
    color: #1c1917;
    margin-bottom: 12px;
    font-weight: 600;
}

.tool-card p {
    font-size: 0.95rem;
    color: #57534e;
    line-height: 1.6;
    margin-bottom: 20px;
}

.tool-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

.feature-tag {
    padding: 6px 12px;
    background: #f5f5f4;
    border-radius: 20px;
    font-size: 0.8rem;
    color: #57534e;
}

.feature-tag i {
    margin-right: 4px;
    color: #0d9488;
}

.tool-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: #1c1917;
    color: white;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tool-btn:hover {
    background: #0d9488;
    transform: translateX(4px);
}

/* 快捷创作入口 */
.quick-create {
    background: linear-gradient(135deg, #1c1917 0%, #292524 100%);
    border-radius: 24px;
    padding: 50px;
    text-align: center;
}

.quick-create-content h3 {
    font-size: 2rem;
    color: white;
    margin-bottom: 8px;
    font-weight: 600;
}

.quick-create-content p {
    color: #a8a29e;
    margin-bottom: 30px;
}

.quick-input-group {
    display: flex;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto 20px;
}

.quick-input {
    flex: 1;
    padding: 16px 24px;
    border-radius: 12px;
    border: 1px solid #44403c;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.quick-input:focus {
    border-color: #0d9488;
    background: rgba(255, 255, 255, 0.1);
}

.quick-input::placeholder {
    color: #78716c;
}

.quick-btn {
    padding: 16px 32px;
    background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
    color: white;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.quick-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(13, 148, 136, 0.4);
}

.quick-examples {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    color: #78716c;
    font-size: 0.9rem;
}

.quick-examples a {
    color: #0d9488;
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: all 0.3s ease;
}

.quick-examples a:hover {
    text-decoration-color: #0d9488;
}

/* ==================== 作品展示区样式 ==================== */
.gallery {
    padding: 100px 0;
    background: #ffffff;
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.gallery-tab {
    padding: 12px 24px;
    background: #f5f5f4;
    border: none;
    border-radius: 30px;
    font-size: 0.95rem;
    color: #57534e;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-tab:hover {
    background: #e7e5e4;
}

.gallery-tab.active {
    background: #1c1917;
    color: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.gallery-item {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e7e5e4;
}

.gallery-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.1);
}

.gallery-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    z-index: 1;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 50;
}

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

.gallery-action {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    color: #1c1917;
}

.gallery-action:hover {
    transform: scale(1.1);
    background: #0d9488;
    color: white;
}

.gallery-action.play {
    width: 56px;
    height: 56px;
    font-size: 1.2rem;
}

.gallery-info {
    padding: 16px;
}

.gallery-info h4 {
    font-size: 1rem;
    color: #1c1917;
    margin-bottom: 8px;
    font-weight: 600;
}

.gallery-stats {
    font-size: 0.85rem;
    color: #78716c;
    margin-bottom: 10px;
}

.gallery-stats i {
    margin-right: 6px;
}

/* 视频信息标签 - 左下角浏览数，右下角时长 */
.video-views,
.video-duration {
    position: absolute;
    bottom: 10px;
    color: white;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    z-index: 100;
    pointer-events: none;
    line-height: 1;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.video-views {
    left: 10px;
}

.video-duration {
    right: 10px;
}

.video-views i,
.video-duration i {
    font-size: 0.7rem;
}

.gallery-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.gallery-tag {
    padding: 4px 10px;
    background: #f5f5f4;
    border-radius: 12px;
    font-size: 0.75rem;
    color: #57534e;
}

/* 音频卡片样式 */
.audio-card {
    background: linear-gradient(135deg, #1c1917 0%, #292524 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.audio-visual {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 60px;
}

.audio-wave {
    width: 6px;
    background: linear-gradient(180deg, #0d9488 0%, #14b8a6 100%);
    border-radius: 3px;
    animation: audioWave 1s ease-in-out infinite;
}

.audio-wave:nth-child(1) { height: 20px; animation-delay: 0s; }
.audio-wave:nth-child(2) { height: 40px; animation-delay: 0.1s; }
.audio-wave:nth-child(3) { height: 60px; animation-delay: 0.2s; }
.audio-wave:nth-child(4) { height: 35px; animation-delay: 0.3s; }
.audio-wave:nth-child(5) { height: 25px; animation-delay: 0.4s; }

@keyframes audioWave {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

.gallery-more {
    text-align: center;
}

/* 加载状态样式 */
.gallery-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #78716c;
    font-size: 1.1rem;
}

.gallery-loading i {
    margin-right: 10px;
    color: #0d9488;
}

.gallery-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #ef4444;
    font-size: 1.1rem;
}

/* 加载更多按钮禁用状态 */
.gallery-more button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ==================== 平台数据统计样式 ==================== */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

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

.stat-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.8rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    font-family: 'Orbitron', sans-serif;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ==================== 关于我们简化样式 ==================== */
.about-simple {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-content-left .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.about-desc {
    font-size: 1.05rem;
    color: #57534e;
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-features-inline {
    display: flex;
    gap: 30px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    background: #f5f5f4;
    border-radius: 12px;
    font-weight: 500;
    color: #1c1917;
}

.about-feature i {
    font-size: 1.2rem;
    color: #0d9488;
}

.about-contact-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #e7e5e4;
}

.about-contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #1c1917;
}

.about-contact-card .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.95rem;
    color: #57534e;
}

.about-contact-card .contact-item i {
    color: #0d9488;
    margin-top: 3px;
}

/* ==================== 响应式调整 ==================== */
@media (max-width: 1200px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-simple {
        grid-template-columns: 1fr;
    }

    .quick-create {
        padding: 40px 30px;
    }

    .quick-input-group {
        flex-direction: column;
    }

    .quick-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        padding: 30px 20px;
    }

    .quick-create {
        padding: 30px 20px;
    }

    .quick-create-content h3 {
        font-size: 1.5rem;
    }

    .gallery-tabs {
        gap: 8px;
    }

    .gallery-tab {
        padding: 10px 16px;
        font-size: 0.85rem;
    }

    .gallery-grid {
        gap: 16px;
    }

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

    .stat-number {
        font-size: 2rem;
    }

    .about-features-inline {
        flex-direction: column;
        gap: 12px;
    }

    .about-feature {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .ai-tools {
        padding: 60px 0;
    }

    .gallery {
        padding: 60px 0;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .gallery-info {
        padding: 12px;
    }

    .gallery-info h4 {
        font-size: 0.9rem;
    }

    .gallery-stats {
        font-size: 0.75rem;
    }

    .stats-section {
        padding: 60px 0;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 1.3rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .about-contact-card {
        padding: 20px;
    }
}

/* ==================== 视频播放弹窗样式 ==================== */

/* 视频弹窗遮罩 */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.video-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    cursor: pointer;
}

/* 视频弹窗容器 */
.video-modal-container {
    position: relative;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
    z-index: 1;
}

.video-modal.active .video-modal-container {
    transform: scale(1) translateY(0);
}

/* 弹窗头部 */
.video-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: #f8f7f4;
    border-bottom: 1px solid #e7e5e4;
}

.video-modal-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1c1917;
    margin: 0;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 16px;
}

.video-modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: #ffffff;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #57534e;
    font-size: 1rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.video-modal-close:hover {
    background: #ef4444;
    color: #ffffff;
    transform: rotate(90deg);
}

/* 弹窗主体 */
.video-modal-body {
    padding: 0;
    overflow-y: auto;
    max-height: calc(90vh - 70px);
}

/* 视频播放器包装器 */
.video-player-wrapper {
    position: relative;
    width: 100%;
    background: #000000;
    aspect-ratio: 16 / 9;
}

.video-player {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 视频信息区域 */
.video-modal-info {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px 20px;
    background: #ffffff;
    border-bottom: 1px solid #e7e5e4;
}

.video-info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: #57534e;
}

.video-info-item i {
    color: #0d9488;
    font-size: 0.85rem;
}

/* 视频简介 */
.video-modal-summary {
    padding: 16px 20px;
    background: #ffffff;
}

.video-modal-summary p {
    margin: 0;
    font-size: 0.95rem;
    color: #44403c;
    line-height: 1.6;
}

/* 视频加载状态 */
.video-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(3px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: #ffffff;
    font-size: 1rem;
}

.video-loading-spinner i {
    font-size: 2rem;
    color: #0d9488;
}

/* 视频弹窗响应式 */
@media (max-width: 768px) {
    .video-modal-container {
        width: 95%;
        max-height: 80vh;
        border-radius: 12px;
    }

    .video-modal-header {
        padding: 12px 16px;
    }

    .video-modal-title {
        font-size: 1rem;
    }

    .video-modal-close {
        width: 32px;
        height: 32px;
    }

    .video-modal-info {
        padding: 12px 16px;
        gap: 12px;
    }

    .video-info-item {
        font-size: 0.85rem;
    }

    .video-modal-summary {
        padding: 12px 16px;
    }

    .video-modal-summary p {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .video-modal-container {
        width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .video-modal-body {
        max-height: calc(100vh - 60px);
    }

    .video-player-wrapper {
        aspect-ratio: 16 / 9;
    }
}