/* ============================================
   神秘视频 - 原创样式表
   品牌：神秘视频 | 域名：boliping123.cn
   配色：活力橙 + 糖心粉 + 深邃蓝黑
   ============================================ */

/* === 基础重置与变量 === */
:root {
    --tx-primary: #FF6B35;
    --tx-secondary: #1A1A2E;
    --tx-accent: #E84393;
    --tx-bg-dark: #0F0F1A;
    --tx-text-light: #EAEAEA;
    --tx-card-bg: #16213E;
    --tx-gradient: linear-gradient(135deg, #FF6B35, #E84393);
    --tx-gradient-hover: linear-gradient(135deg, #E84393, #FF6B35);
    --tx-border: rgba(255, 107, 53, 0.2);
    --tx-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --tx-radius: 12px;
    --tx-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--tx-bg-dark);
    color: var(--tx-text-light);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--tx-accent);
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === 头部导航 === */
.tx-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--tx-border);
    transition: var(--tx-transition);
}

.tx-header.scrolled {
    background: rgba(15, 15, 26, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.tx-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.tx-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--tx-text-light);
}

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

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

.tx-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tx-nav a {
    padding: 8px 16px;
    color: rgba(234, 234, 234, 0.8);
    font-size: 0.95rem;
    border-radius: 8px;
    transition: var(--tx-transition);
    white-space: nowrap;
}

.tx-nav a:hover,
.tx-nav a.active {
    color: #fff;
    background: rgba(255, 107, 53, 0.15);
}

.tx-nav a.active {
    background: var(--tx-gradient);
    color: #fff;
}

/* 移动端菜单按钮 */
.tx-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.tx-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--tx-text-light);
    border-radius: 2px;
    transition: var(--tx-transition);
}

/* === 搜索框 === */
.tx-search-bar {
    background: var(--tx-secondary);
    padding: 12px 0;
    border-bottom: 1px solid var(--tx-border);
    margin-top: 68px;
}

.tx-search-wrap {
    max-width: 680px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
    padding: 0 20px;
}

.tx-search-wrap input {
    flex: 1;
    padding: 10px 18px;
    background: var(--tx-card-bg);
    border: 1px solid var(--tx-border);
    border-radius: 24px;
    color: var(--tx-text-light);
    font-size: 0.95rem;
    outline: none;
    transition: var(--tx-transition);
}

.tx-search-wrap input:focus {
    border-color: var(--tx-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
}

.tx-search-wrap input::placeholder {
    color: rgba(234, 234, 234, 0.4);
}

.tx-search-wrap button {
    padding: 10px 24px;
    background: var(--tx-gradient);
    border: none;
    border-radius: 24px;
    color: #fff;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--tx-transition);
    white-space: nowrap;
}

.tx-search-wrap button:hover {
    background: var(--tx-gradient-hover);
    transform: translateY(-1px);
}

/* === Banner区域 === */
.tx-banner {
    position: relative;
    width: 100%;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--tx-secondary);
}

.tx-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.55;
}

.tx-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15, 15, 26, 0.3) 0%, rgba(15, 15, 26, 0.85) 100%);
}

.tx-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px;
    max-width: 800px;
}

.tx-banner-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
}

.tx-banner-content h1 .highlight {
    background: var(--tx-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tx-banner-content p {
    font-size: 1.15rem;
    color: rgba(234, 234, 234, 0.85);
    margin-bottom: 28px;
    line-height: 1.8;
}

.tx-banner-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.tx-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 28px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--tx-transition);
    border: none;
}

.tx-btn-primary {
    background: var(--tx-gradient);
    color: #fff;
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}

.tx-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
    color: #fff;
}

.tx-btn-outline {
    background: transparent;
    color: var(--tx-text-light);
    border: 2px solid rgba(234, 234, 234, 0.3);
}

.tx-btn-outline:hover {
    border-color: var(--tx-primary);
    color: var(--tx-primary);
    transform: translateY(-2px);
}

/* === 通用板块 === */
.tx-section {
    padding: 72px 0;
}

.tx-section-alt {
    background: var(--tx-secondary);
}

.tx-section-title {
    text-align: center;
    margin-bottom: 48px;
}

.tx-section-title h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.tx-section-title h2 .highlight {
    background: var(--tx-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tx-section-title p {
    color: rgba(234, 234, 234, 0.6);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* === 视频卡片网格 === */
.tx-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.tx-video-card {
    background: var(--tx-card-bg);
    border-radius: var(--tx-radius);
    overflow: hidden;
    transition: var(--tx-transition);
    border: 1px solid transparent;
}

.tx-video-card:hover {
    transform: translateY(-6px);
    border-color: var(--tx-border);
    box-shadow: var(--tx-shadow);
}

.tx-video-thumb {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    cursor: pointer;
}

.tx-video-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--tx-transition);
}

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

.tx-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 107, 53, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--tx-transition);
    z-index: 2;
}

.tx-play-btn::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent #fff;
    margin-left: 4px;
}

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

.tx-video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    z-index: 2;
}

.tx-video-info {
    padding: 16px;
}

.tx-video-info h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tx-video-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: rgba(234, 234, 234, 0.5);
}

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

.tx-video-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.tx-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(255, 107, 53, 0.12);
    color: var(--tx-primary);
    border-radius: 12px;
    font-size: 0.78rem;
}

/* === 模块卡片 === */
.tx-module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.tx-module-card {
    background: var(--tx-card-bg);
    border-radius: var(--tx-radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--tx-transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.tx-module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--tx-gradient);
    transform: scaleX(0);
    transition: var(--tx-transition);
}

.tx-module-card:hover::before {
    transform: scaleX(1);
}

.tx-module-card:hover {
    transform: translateY(-4px);
    border-color: var(--tx-border);
    box-shadow: var(--tx-shadow);
}

.tx-module-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--tx-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.tx-module-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.tx-module-card p {
    font-size: 0.92rem;
    color: rgba(234, 234, 234, 0.6);
    line-height: 1.6;
}

/* === 专家展示 === */
.tx-expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.tx-expert-card {
    background: var(--tx-card-bg);
    border-radius: var(--tx-radius);
    overflow: hidden;
    transition: var(--tx-transition);
    border: 1px solid transparent;
}

.tx-expert-card:hover {
    transform: translateY(-4px);
    border-color: var(--tx-border);
    box-shadow: var(--tx-shadow);
}

.tx-expert-photo {
    width: 100%;
    height: 260px;
    object-fit: cover;
}

.tx-expert-info {
    padding: 20px;
}

.tx-expert-info h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.tx-expert-role {
    color: var(--tx-primary);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.tx-expert-info p {
    font-size: 0.9rem;
    color: rgba(234, 234, 234, 0.6);
    line-height: 1.6;
    margin-bottom: 14px;
}

.tx-expert-btns {
    display: flex;
    gap: 10px;
}

.tx-expert-btns a {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid var(--tx-border);
    color: var(--tx-text-light);
    transition: var(--tx-transition);
}

.tx-expert-btns a:hover {
    background: var(--tx-gradient);
    border-color: transparent;
    color: #fff;
}

/* === FAQ === */
.tx-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.tx-faq-item {
    background: var(--tx-card-bg);
    border-radius: var(--tx-radius);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid transparent;
    transition: var(--tx-transition);
}

.tx-faq-item:hover {
    border-color: var(--tx-border);
}

.tx-faq-q {
    padding: 18px 24px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--tx-transition);
}

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

.tx-faq-q::after {
    content: '+';
    font-size: 1.4rem;
    color: var(--tx-primary);
    transition: var(--tx-transition);
}

.tx-faq-item.active .tx-faq-q::after {
    transform: rotate(45deg);
}

.tx-faq-a {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    color: rgba(234, 234, 234, 0.7);
    font-size: 0.95rem;
    line-height: 1.7;
}

.tx-faq-item.active .tx-faq-a {
    padding: 0 24px 18px;
    max-height: 300px;
}

/* === 用户评论 === */
.tx-review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.tx-review-card {
    background: var(--tx-card-bg);
    border-radius: var(--tx-radius);
    padding: 24px;
    transition: var(--tx-transition);
    border: 1px solid transparent;
}

.tx-review-card:hover {
    border-color: var(--tx-border);
    transform: translateY(-3px);
}

.tx-review-stars {
    color: var(--tx-primary);
    font-size: 1rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.tx-review-text {
    font-size: 0.95rem;
    color: rgba(234, 234, 234, 0.75);
    line-height: 1.7;
    margin-bottom: 16px;
    font-style: italic;
}

.tx-review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tx-review-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--tx-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
}

.tx-review-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.tx-review-date {
    font-size: 0.8rem;
    color: rgba(234, 234, 234, 0.4);
}

/* === 合作品牌墙 === */
.tx-brand-wall {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    align-items: center;
    padding: 20px 0;
}

.tx-brand-item {
    padding: 16px 28px;
    background: var(--tx-card-bg);
    border-radius: var(--tx-radius);
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(234, 234, 234, 0.5);
    transition: var(--tx-transition);
    border: 1px solid transparent;
}

.tx-brand-item:hover {
    color: var(--tx-primary);
    border-color: var(--tx-border);
    transform: scale(1.05);
}

/* === 页脚 === */
.tx-footer {
    background: var(--tx-secondary);
    border-top: 1px solid var(--tx-border);
    padding: 48px 0 24px;
}

.tx-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 36px;
    margin-bottom: 36px;
}

.tx-footer-col h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--tx-text-light);
}

.tx-footer-col p,
.tx-footer-col a {
    font-size: 0.9rem;
    color: rgba(234, 234, 234, 0.55);
    line-height: 2;
    display: block;
}

.tx-footer-col a:hover {
    color: var(--tx-primary);
}

.tx-footer-qr {
    display: flex;
    gap: 16px;
}

.tx-footer-qr img {
    width: 110px;
    height: 110px;
    border-radius: 8px;
    object-fit: cover;
}

.tx-footer-bottom {
    border-top: 1px solid var(--tx-border);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(234, 234, 234, 0.4);
}

.tx-footer-bottom a {
    color: rgba(234, 234, 234, 0.5);
}

/* === 社交分享 === */
.tx-share-bar {
    display: flex;
    gap: 12px;
    justify-content: center;
    padding: 24px 0;
}

.tx-share-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--tx-card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tx-text-light);
    font-size: 0.85rem;
    font-weight: 700;
    transition: var(--tx-transition);
    border: 1px solid var(--tx-border);
    cursor: pointer;
}

.tx-share-btn:hover {
    background: var(--tx-gradient);
    border-color: transparent;
    transform: scale(1.1);
    color: #fff;
}

/* === 面包屑 === */
.tx-breadcrumb {
    padding: 16px 0;
    font-size: 0.88rem;
    color: rgba(234, 234, 234, 0.5);
    margin-top: 68px;
}

.tx-breadcrumb a {
    color: rgba(234, 234, 234, 0.6);
}

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

.tx-breadcrumb span {
    margin: 0 8px;
}

/* === 内页头部 === */
.tx-page-hero {
    position: relative;
    padding: 80px 0 48px;
    text-align: center;
    background: var(--tx-secondary);
    margin-top: 68px;
}

.tx-page-hero h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.tx-page-hero p {
    font-size: 1.05rem;
    color: rgba(234, 234, 234, 0.65);
    max-width: 600px;
    margin: 0 auto;
}

/* === 内容区 === */
.tx-content {
    padding: 48px 0;
}

.tx-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 16px;
    margin-top: 32px;
}

.tx-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    margin-top: 24px;
    color: var(--tx-primary);
}

.tx-content p {
    margin-bottom: 16px;
    color: rgba(234, 234, 234, 0.78);
    line-height: 1.8;
}

.tx-content-img {
    width: 100%;
    border-radius: var(--tx-radius);
    margin: 24px 0;
}

/* === 联系信息 === */
.tx-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.tx-contact-card {
    background: var(--tx-card-bg);
    border-radius: var(--tx-radius);
    padding: 28px;
    text-align: center;
    transition: var(--tx-transition);
    border: 1px solid transparent;
}

.tx-contact-card:hover {
    border-color: var(--tx-border);
    transform: translateY(-3px);
}

.tx-contact-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    background: var(--tx-gradient);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.tx-contact-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.tx-contact-card p {
    font-size: 0.9rem;
    color: rgba(234, 234, 234, 0.6);
}

/* === How-To指南 === */
.tx-howto-steps {
    max-width: 700px;
    margin: 0 auto;
}

.tx-howto-step {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
    align-items: flex-start;
}

.tx-step-num {
    min-width: 48px;
    height: 48px;
    background: var(--tx-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.tx-step-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.tx-step-content p {
    font-size: 0.92rem;
    color: rgba(234, 234, 234, 0.65);
    line-height: 1.6;
}

/* === 懒加载占位 === */
.tx-lazy {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.tx-lazy.loaded {
    opacity: 1;
}

/* === 数据统计条 === */
.tx-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 40px 0;
}

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

.tx-stat-num {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--tx-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tx-stat-label {
    font-size: 0.9rem;
    color: rgba(234, 234, 234, 0.55);
    margin-top: 4px;
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
    .tx-banner-content h1 {
        font-size: 2.2rem;
    }
    .tx-stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tx-nav {
        display: none;
        position: fixed;
        top: 68px;
        left: 0;
        width: 100%;
        background: rgba(15, 15, 26, 0.98);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        border-bottom: 1px solid var(--tx-border);
    }

    .tx-nav.open {
        display: flex;
    }

    .tx-nav a {
        width: 100%;
        text-align: center;
        padding: 12px;
    }

    .tx-menu-btn {
        display: flex;
    }

    .tx-banner {
        min-height: 420px;
    }

    .tx-banner-content h1 {
        font-size: 1.8rem;
    }

    .tx-banner-content p {
        font-size: 1rem;
    }

    .tx-section {
        padding: 48px 0;
    }

    .tx-section-title h2 {
        font-size: 1.6rem;
    }

    .tx-video-grid {
        grid-template-columns: 1fr;
    }

    .tx-module-grid {
        grid-template-columns: 1fr;
    }

    .tx-expert-grid {
        grid-template-columns: 1fr;
    }

    .tx-review-grid {
        grid-template-columns: 1fr;
    }

    .tx-stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .tx-stat-num {
        font-size: 1.6rem;
    }

    .tx-footer-grid {
        grid-template-columns: 1fr;
    }

    .tx-page-hero {
        padding: 48px 0 32px;
    }

    .tx-page-hero h1 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .tx-banner-content h1 {
        font-size: 1.5rem;
    }

    .tx-banner-btns {
        flex-direction: column;
        align-items: center;
    }

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

    .tx-footer-qr {
        flex-direction: column;
        align-items: center;
    }
}

/* === 动画效果 === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tx-animate {
    animation: fadeInUp 0.6s ease forwards;
}

/* === 内页侧边栏推荐 === */
.tx-sidebar-rec {
    background: var(--tx-card-bg);
    border-radius: var(--tx-radius);
    padding: 20px;
    margin-bottom: 24px;
}

.tx-sidebar-rec h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--tx-border);
}

.tx-sidebar-rec-item {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
    align-items: center;
}

.tx-sidebar-rec-item img {
    width: 80px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
}

.tx-sidebar-rec-item h5 {
    font-size: 0.88rem;
    font-weight: 500;
    line-height: 1.4;
}

/* === 内页两栏布局 === */
.tx-two-col {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
}

@media (max-width: 900px) {
    .tx-two-col {
        grid-template-columns: 1fr;
    }
}

/* === EEAT 作者/审核信息栏 === */
.tx-eeat-info {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 12px 16px;
    background: rgba(255, 107, 53, 0.06);
    border-left: 3px solid var(--tx-primary);
    border-radius: 0 var(--tx-radius) var(--tx-radius) 0;
    margin-bottom: 24px;
    font-size: 0.85rem;
    color: #999;
}

.tx-eeat-info span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.tx-eeat-info a {
    color: var(--tx-primary);
    text-decoration: none;
}

.tx-eeat-info a:hover {
    text-decoration: underline;
}

/* === 专家资质标签 === */
.tx-expert-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--tx-border);
}

.tx-expert-credentials span {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 6px;
    font-size: 0.78rem;
    color: var(--tx-primary);
}

@media (max-width: 768px) {
    .tx-eeat-info {
        flex-direction: column;
        gap: 6px;
    }
    .tx-expert-credentials {
        flex-direction: column;
    }
}