/* 国产精品 - 主样式文件 */
/* 品牌：国产精品 | 域名：hrvrxpl.cn */

/* ===== 基础重置与变量 ===== */
:root {
    --primary-color: #ff6b9d;
    --secondary-color: #c44569;
    --accent-color: #f8a5c2;
    --dark-bg: #1a1a2e;
    --darker-bg: #16213e;
    --light-bg: #f8f9fa;
    --text-dark: #2d3436;
    --text-light: #636e72;
    --text-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #ff6b9d 0%, #c44569 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --shadow-soft: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-hover: 0 8px 30px rgba(255,107,157,0.3);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

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

/* ===== 头部导航 ===== */
.header {
    background: var(--gradient-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-soft);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-white);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    color: var(--text-white);
    font-size: 16px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 24px;
    cursor: pointer;
}

/* ===== 搜索框 ===== */
.search-bar {
    background: var(--darker-bg);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.search-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.search-input {
    width: 100%;
    max-width: 500px;
    padding: 12px 20px;
    border: 2px solid transparent;
    border-radius: 25px;
    background: rgba(255,255,255,0.1);
    color: var(--text-white);
    font-size: 16px;
    transition: var(--transition);
}

.search-input::placeholder {
    color: rgba(255,255,255,0.6);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255,255,255,0.15);
}

.search-btn {
    padding: 12px 25px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 25px;
    color: var(--text-white);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}

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

/* ===== Hero区域 ===== */
.hero {
    background: var(--gradient-dark);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-banner.jpg') center/cover no-repeat;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-white);
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.hero h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* ===== 视频卡片 ===== */
.video-section {
    padding: 60px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-title {
    font-size: 28px;
    color: var(--text-dark);
    position: relative;
    padding-left: 20px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: 3px;
}

.view-more {
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.view-more:hover {
    color: var(--secondary-color);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.video-card {
    background: var(--text-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255,107,157,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.video-card:hover .play-btn {
    opacity: 1;
}

.play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 18px solid white;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 5px;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.video-info {
    padding: 15px;
}

.video-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-light);
}

.video-author {
    display: flex;
    align-items: center;
    gap: 8px;
}

.video-author img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

.video-stats {
    display: flex;
    gap: 15px;
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== 分类标签 ===== */
.category-section {
    padding: 40px 0;
    background: var(--text-white);
}

.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.category-tag {
    padding: 10px 25px;
    background: var(--light-bg);
    border-radius: 25px;
    font-size: 14px;
    color: var(--text-dark);
    transition: var(--transition);
}

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

/* ===== 专家展示 ===== */
.expert-section {
    padding: 60px 0;
    background: var(--gradient-dark);
    color: var(--text-white);
}

.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.expert-card {
    background: rgba(255,255,255,0.1);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.expert-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.expert-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    margin-bottom: 15px;
}

.expert-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
}

.expert-title {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.expert-bio {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 20px;
    line-height: 1.6;
}

.expert-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.btn {
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* ===== 社区互动 ===== */
.community-section {
    padding: 60px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.feature-card {
    background: var(--text-white);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
    color: var(--text-white);
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== 用户评价 ===== */
.testimonial-section {
    padding: 60px 0;
    background: var(--light-bg);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.testimonial-card {
    background: var(--text-white);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow-soft);
}

.testimonial-content {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 16px;
    color: var(--text-dark);
}

.author-info p {
    font-size: 13px;
    color: var(--text-light);
}

.rating {
    color: #ffc107;
    font-size: 14px;
}

/* ===== 合作品牌 ===== */
.partner-section {
    padding: 60px 0;
    background: var(--text-white);
}

.partner-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.partner-logo {
    height: 50px;
    opacity: 0.6;
    filter: grayscale(100%);
    transition: var(--transition);
}

.partner-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* ===== FAQ区域 ===== */
.faq-section {
    padding: 60px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--text-white);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 25px 20px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ===== 联系我们 ===== */
.contact-section {
    padding: 60px 0;
    background: var(--gradient-dark);
    color: var(--text-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.contact-item p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 10px;
    line-height: 1.6;
}

.qr-code {
    width: 120px;
    height: 120px;
    background: var(--text-white);
    border-radius: 10px;
    padding: 10px;
    margin-top: 10px;
}

.qr-code img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ===== 社交分享 ===== */
.share-section {
    padding: 30px 0;
    background: var(--darker-bg);
    text-align: center;
}

.share-title {
    font-size: 16px;
    color: var(--text-white);
    margin-bottom: 15px;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.share-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-white);
    transition: var(--transition);
}

.share-btn.wechat { background: #07c160; }
.share-btn.weibo { background: #e6162d; }
.share-btn.douyin { background: #000; }
.share-btn.bilibili { background: #fb7299; }

.share-btn:hover {
    transform: translateY(-3px) scale(1.1);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--dark-bg);
    color: var(--text-white);
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

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

.footer-section a {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    opacity: 0.8;
}

.footer-bottom .update-time {
    margin-top: 10px;
    font-size: 12px;
    opacity: 0.6;
}

/* ===== 面包屑导航 ===== */
.breadcrumb {
    padding: 15px 0;
    background: var(--text-white);
    border-bottom: 1px solid #eee;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    font-size: 14px;
}

.breadcrumb-list li::after {
    content: '/';
    margin-left: 10px;
    color: var(--text-light);
}

.breadcrumb-list li:last-child::after {
    display: none;
}

.breadcrumb-list a {
    color: var(--text-light);
}

.breadcrumb-list a:hover {
    color: var(--primary-color);
}

.breadcrumb-list li:last-child {
    color: var(--text-dark);
    font-weight: 500;
}

/* ===== 内页样式 ===== */
.page-header {
    background: var(--gradient-dark);
    padding: 60px 0;
    text-align: center;
    color: var(--text-white);
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 16px;
    opacity: 0.9;
}

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

/* ===== 响应式设计 ===== */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-bg);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 22px;
    }

    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

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

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

    .qr-code {
        margin: 10px auto 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 26px;
    }

    .hero p {
        font-size: 16px;
    }

    .stat-number {
        font-size: 28px;
    }

    .search-container {
        flex-direction: column;
    }

    .search-input {
        max-width: 100%;
    }
}

/* ===== 懒加载动画 ===== */
.lazy-load {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.lazy-load.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 加载动画 ===== */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,107,157,0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}


/* ===== 资质荣誉区域 ===== */
.awards-section {
    padding: 60px 0;
    background: var(--light-bg);
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.award-item {
    text-align: center;
    padding: 30px 20px;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

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

.award-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.award-item h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.award-item p {
    font-size: 13px;
    color: var(--text-light);
}

/* ===== 专家资质标签 ===== */
.expert-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin: 10px 0;
}

.credential-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 12px;
    border-radius: 20px;
}

/* ===== 用户评价区域 ===== */
.testimonial-section {
    padding: 60px 0;
    background: #fff;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.testimonial-card {
    padding: 30px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 60px;
    color: var(--primary-color);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 20px;
    padding-top: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 3px;
}

.author-info p {
    font-size: 13px;
    color: var(--text-light);
}

.testimonial-rating {
    margin-top: 15px;
    color: #ffc107;
    font-size: 18px;
}

/* ===== 内容区域通用 ===== */
.content-section {
    padding: 60px 0;
    background: #fff;
}

/* ===== 页脚Logo ===== */
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
}

.footer-logo span {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
}

/* ===== 响应式优化 ===== */
@media (max-width: 992px) {
    .awards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .awards-grid {
        grid-template-columns: 1fr;
    }
    
    .expert-credentials {
        flex-direction: column;
        align-items: center;
    }
}