/* ========================================
   糖心vlog 原创样式表
   域名：fo595266.cn
   配色：玫瑰粉 + 深夜蓝
   ======================================== */

/* CSS变量 */
:root {
    --tx-rose: #E8457C;
    --tx-rose-light: #FF6B9D;
    --tx-rose-dark: #C73566;
    --tx-navy: #1B1F3B;
    --tx-navy-light: #252A4A;
    --tx-orange: #FFB347;
    --tx-bg-light: #FFF5F7;
    --tx-bg-dark: #0F1225;
    --tx-text: #2D2D3F;
    --tx-text-muted: #8B8FA3;
    --tx-white: #FFFFFF;
    --tx-border: rgba(232,69,124,0.12);
    --tx-shadow: 0 4px 24px rgba(27,31,59,0.08);
    --tx-shadow-hover: 0 8px 40px rgba(232,69,124,0.15);
    --tx-radius: 12px;
    --tx-radius-sm: 8px;
    --tx-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--tx-text);
    background: var(--tx-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--tx-rose); text-decoration: none; transition: var(--tx-transition); }
a:hover { color: var(--tx-rose-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

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

/* ========================================
   头部导航
   ======================================== */
.tx-header {
    background: var(--tx-white);
    border-bottom: 2px solid var(--tx-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(27,31,59,0.06);
}
.tx-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}
.tx-logo img { height: 48px; width: auto; }
.tx-nav {
    display: flex;
    gap: 6px;
}
.tx-nav-link {
    padding: 8px 16px;
    color: var(--tx-text);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--tx-radius-sm);
    transition: var(--tx-transition);
}
.tx-nav-link:hover, .tx-nav-link.active {
    color: var(--tx-rose);
    background: rgba(232,69,124,0.06);
}
.tx-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.tx-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--tx-navy);
    border-radius: 2px;
    transition: var(--tx-transition);
}

/* 搜索框 */
.tx-search-bar {
    padding: 10px 0 14px;
}
.tx-search-form {
    display: flex;
    max-width: 680px;
    margin: 0 auto;
    background: var(--tx-bg-light);
    border-radius: 50px;
    border: 2px solid transparent;
    overflow: hidden;
    transition: var(--tx-transition);
}
.tx-search-form:focus-within {
    border-color: var(--tx-rose);
    box-shadow: 0 0 0 4px rgba(232,69,124,0.1);
}
.tx-search-input {
    flex: 1;
    padding: 12px 24px;
    border: none;
    background: transparent;
    font-size: 0.95rem;
    color: var(--tx-text);
    outline: none;
}
.tx-search-input::placeholder { color: var(--tx-text-muted); }
.tx-search-btn {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--tx-rose), var(--tx-rose-light));
    color: var(--tx-white);
    border: none;
    cursor: pointer;
    transition: var(--tx-transition);
}
.tx-search-btn:hover { opacity: 0.9; }

/* ========================================
   Hero Banner
   ======================================== */
.tx-hero {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.tx-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.tx-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,18,37,0.82), rgba(232,69,124,0.45));
}
.tx-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 80px 20px;
}
.tx-hero-title {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--tx-white);
    margin-bottom: 16px;
    line-height: 1.3;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.tx-hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.88);
    margin-bottom: 32px;
    font-weight: 400;
}
.tx-hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
}
.tx-hero-stats {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}
.tx-stat-item {
    text-align: center;
    color: var(--tx-white);
}
.tx-stat-item strong {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--tx-orange);
}
.tx-stat-item span {
    font-size: 0.85rem;
    opacity: 0.85;
}

/* 按钮 */
.tx-btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--tx-transition);
    text-align: center;
}
.tx-btn-primary {
    background: linear-gradient(135deg, var(--tx-rose), var(--tx-rose-light));
    color: var(--tx-white);
    box-shadow: 0 4px 16px rgba(232,69,124,0.3);
}
.tx-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(232,69,124,0.4);
    color: var(--tx-white);
}
.tx-btn-outline {
    border: 2px solid var(--tx-white);
    color: var(--tx-white);
    background: transparent;
}
.tx-btn-outline:hover {
    background: var(--tx-white);
    color: var(--tx-rose);
}
.tx-btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--tx-rose), var(--tx-rose-light));
    color: var(--tx-white);
}
.tx-btn-sm:hover { color: var(--tx-white); opacity: 0.9; }
.tx-btn-outline-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
    border-radius: 50px;
    border: 1px solid var(--tx-rose);
    color: var(--tx-rose);
}
.tx-btn-outline-sm:hover { background: var(--tx-rose); color: var(--tx-white); }

/* ========================================
   关键词标签云
   ======================================== */
.tx-tags {
    background: var(--tx-navy);
    padding: 14px 0;
    overflow-x: auto;
    white-space: nowrap;
}
.tx-tags .tx-container {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.tx-tags a {
    display: inline-block;
    padding: 5px 16px;
    background: rgba(232,69,124,0.15);
    color: rgba(255,255,255,0.78);
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    transition: var(--tx-transition);
    white-space: nowrap;
}
.tx-tags a:hover {
    background: var(--tx-rose);
    color: var(--tx-white);
}

/* ========================================
   通用区块
   ======================================== */
.tx-section {
    padding: 72px 0;
}
.tx-section:nth-child(even) {
    background: var(--tx-bg-light);
}
.tx-section-header {
    text-align: center;
    margin-bottom: 48px;
}
.tx-section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--tx-navy);
    margin-bottom: 12px;
}
.tx-section-header p {
    font-size: 1rem;
    color: var(--tx-text-muted);
    max-width: 640px;
    margin: 0 auto;
}
.tx-section-more {
    text-align: center;
    margin-top: 40px;
}

/* ========================================
   筛选标签
   ======================================== */
.tx-filter-tabs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.tx-filter-tab {
    padding: 8px 22px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--tx-text-muted);
    background: var(--tx-bg-light);
    border: 1px solid var(--tx-border);
    transition: var(--tx-transition);
}
.tx-filter-tab:hover, .tx-filter-tab.active {
    background: var(--tx-rose);
    color: var(--tx-white);
    border-color: var(--tx-rose);
}

/* ========================================
   视频卡片网格
   ======================================== */
.tx-video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.tx-video-card {
    background: var(--tx-white);
    border-radius: var(--tx-radius);
    overflow: hidden;
    box-shadow: var(--tx-shadow);
    transition: var(--tx-transition);
}
.tx-video-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--tx-shadow-hover);
}
.tx-video-thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}
.tx-video-thumb img {
    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%);
    opacity: 0;
    transition: var(--tx-transition);
    cursor: pointer;
}
.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: var(--tx-white);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
.tx-video-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--tx-rose);
    color: var(--tx-white);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 600;
}
.tx-video-info {
    padding: 16px;
}
.tx-video-info h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--tx-navy);
    margin-bottom: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.tx-video-info p {
    font-size: 0.82rem;
    color: var(--tx-text-muted);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.tx-video-meta {
    display: flex;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--tx-text-muted);
}

/* ========================================
   影视传媒模块
   ======================================== */
.tx-media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.tx-media-card {
    background: var(--tx-white);
    border-radius: var(--tx-radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--tx-shadow);
    transition: var(--tx-transition);
    border: 1px solid var(--tx-border);
}
.tx-media-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tx-shadow-hover);
    border-color: var(--tx-rose);
}
.tx-media-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}
.tx-media-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--tx-navy);
    margin-bottom: 10px;
}
.tx-media-card p {
    font-size: 0.88rem;
    color: var(--tx-text-muted);
    line-height: 1.6;
}

/* ========================================
   AI赋能模块
   ======================================== */
.tx-ai { background: var(--tx-navy) !important; }
.tx-ai .tx-section-header h2 { color: var(--tx-white); }
.tx-ai .tx-section-header p { color: rgba(255,255,255,0.65); }
.tx-ai-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.tx-ai-card {
    background: var(--tx-navy-light);
    border-radius: var(--tx-radius);
    padding: 32px 24px;
    border: 1px solid rgba(232,69,124,0.2);
    transition: var(--tx-transition);
}
.tx-ai-card:hover {
    border-color: var(--tx-rose);
    transform: translateY(-4px);
}
.tx-ai-num {
    font-size: 2rem;
    font-weight: 900;
    color: var(--tx-rose);
    margin-bottom: 12px;
}
.tx-ai-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tx-white);
    margin-bottom: 10px;
}
.tx-ai-card p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
}

/* ========================================
   娱乐专区
   ======================================== */
.tx-ent-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 24px;
}
.tx-ent-card {
    position: relative;
    border-radius: var(--tx-radius);
    overflow: hidden;
    aspect-ratio: 4/3;
}
.tx-ent-large {
    grid-row: span 2;
    aspect-ratio: auto;
}
.tx-ent-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--tx-transition);
}
.tx-ent-card:hover img { transform: scale(1.05); }
.tx-ent-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,18,37,0.85) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
}
.tx-ent-overlay h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--tx-white);
    margin-bottom: 8px;
}
.tx-ent-overlay p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 14px;
}

/* ========================================
   社区功能
   ======================================== */
.tx-comm-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.tx-comm-card {
    background: var(--tx-white);
    border-radius: var(--tx-radius);
    padding: 28px;
    text-align: center;
    box-shadow: var(--tx-shadow);
    transition: var(--tx-transition);
    border-bottom: 3px solid transparent;
}
.tx-comm-card:hover {
    border-bottom-color: var(--tx-rose);
    transform: translateY(-4px);
}
.tx-comm-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 12px;
}
.tx-comm-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tx-navy);
    margin-bottom: 8px;
}
.tx-comm-card p {
    font-size: 0.85rem;
    color: var(--tx-text-muted);
}

/* ========================================
   专家展示
   ======================================== */
.tx-experts { background: var(--tx-bg-light) !important; }
.tx-expert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.tx-expert-card {
    background: var(--tx-white);
    border-radius: var(--tx-radius);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--tx-shadow);
    transition: var(--tx-transition);
}
.tx-expert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tx-shadow-hover);
}
.tx-expert-card img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 16px;
    border: 3px solid var(--tx-rose);
}
.tx-expert-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--tx-navy);
    margin-bottom: 4px;
}
.tx-expert-title {
    display: inline-block;
    padding: 3px 14px;
    background: rgba(232,69,124,0.1);
    color: var(--tx-rose);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.tx-expert-card p {
    font-size: 0.88rem;
    color: var(--tx-text-muted);
    margin-bottom: 16px;
    line-height: 1.6;
}
.tx-expert-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* ========================================
   合作品牌
   ======================================== */
.tx-partner-wall {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
}
.tx-partner-item {
    padding: 16px 32px;
    background: var(--tx-white);
    border-radius: var(--tx-radius-sm);
    font-weight: 600;
    color: var(--tx-navy);
    box-shadow: var(--tx-shadow);
    border: 1px solid var(--tx-border);
    transition: var(--tx-transition);
}
.tx-partner-item:hover {
    border-color: var(--tx-rose);
    color: var(--tx-rose);
}

/* How-To 步骤 */
.tx-howto {
    background: var(--tx-white);
    border-radius: var(--tx-radius);
    padding: 40px;
    box-shadow: var(--tx-shadow);
}
.tx-howto h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--tx-navy);
    text-align: center;
    margin-bottom: 32px;
}
.tx-howto-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.tx-howto-step {
    text-align: center;
}
.tx-step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--tx-rose), var(--tx-rose-light));
    color: var(--tx-white);
    font-size: 1.3rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
}
.tx-howto-step h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tx-navy);
    margin-bottom: 8px;
}
.tx-howto-step p {
    font-size: 0.88rem;
    color: var(--tx-text-muted);
    line-height: 1.6;
}

/* ========================================
   用户评价
   ======================================== */
.tx-review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.tx-review-card {
    background: var(--tx-white);
    border-radius: var(--tx-radius);
    padding: 28px;
    box-shadow: var(--tx-shadow);
    border-left: 4px solid var(--tx-rose);
    transition: var(--tx-transition);
}
.tx-review-card:hover { transform: translateY(-3px); }
.tx-review-stars {
    color: var(--tx-orange);
    font-size: 1.1rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}
.tx-review-text {
    font-size: 0.92rem;
    color: var(--tx-text);
    line-height: 1.7;
    margin-bottom: 16px;
    font-style: italic;
}
.tx-review-author strong {
    display: block;
    font-size: 0.9rem;
    color: var(--tx-navy);
}
.tx-review-author span {
    font-size: 0.78rem;
    color: var(--tx-text-muted);
}

/* ========================================
   FAQ
   ======================================== */
.tx-faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.tx-faq-item {
    border: 1px solid var(--tx-border);
    border-radius: var(--tx-radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    background: var(--tx-white);
}
.tx-faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--tx-navy);
    text-align: left;
    transition: var(--tx-transition);
}
.tx-faq-question:hover { color: var(--tx-rose); }
.tx-faq-arrow {
    transition: var(--tx-transition);
    flex-shrink: 0;
}
.tx-faq-item.active .tx-faq-arrow {
    transform: rotate(180deg);
}
.tx-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.tx-faq-item.active .tx-faq-answer {
    max-height: 300px;
}
.tx-faq-answer p {
    padding: 0 24px 18px;
    font-size: 0.92rem;
    color: var(--tx-text-muted);
    line-height: 1.7;
}

/* ========================================
   联系我们
   ======================================== */
.tx-contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.tx-contact-card {
    background: var(--tx-white);
    border-radius: var(--tx-radius);
    padding: 32px;
    box-shadow: var(--tx-shadow);
}
.tx-contact-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--tx-navy);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--tx-rose);
}
.tx-contact-card p {
    font-size: 0.92rem;
    color: var(--tx-text);
    margin-bottom: 8px;
    line-height: 1.6;
}
.tx-qr-group {
    display: flex;
    gap: 20px;
    margin-top: 12px;
}
.tx-qr-item {
    text-align: center;
}
.tx-qr-item img {
    border-radius: var(--tx-radius-sm);
    border: 1px solid var(--tx-border);
    margin: 0 auto;
}
.tx-qr-item span {
    display: block;
    font-size: 0.8rem;
    color: var(--tx-text-muted);
    margin-top: 6px;
}

/* ========================================
   底部
   ======================================== */
.tx-footer {
    background: var(--tx-bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 56px 0 0;
}
.tx-footer-top { margin-bottom: 40px; }
.tx-footer-brand {
    text-align: center;
    margin-bottom: 40px;
}
.tx-footer-brand img { margin: 0 auto; }
.tx-footer-slogan {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    margin-top: 10px;
}
.tx-footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}
.tx-footer-col h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tx-white);
    margin-bottom: 14px;
}
.tx-footer-col p {
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 6px;
}
.tx-footer-links li { margin-bottom: 8px; }
.tx-footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.88rem;
}
.tx-footer-links a:hover { color: var(--tx-rose); }
.tx-footer-social {
    text-align: center;
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.tx-footer-social span {
    font-size: 0.88rem;
    margin-right: 12px;
}
.tx-social-btn {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(232,69,124,0.15);
    color: rgba(255,255,255,0.75);
    border-radius: 20px;
    font-size: 0.82rem;
    margin: 4px;
    transition: var(--tx-transition);
}
.tx-social-btn:hover {
    background: var(--tx-rose);
    color: var(--tx-white);
}
.tx-footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
}

/* ========================================
   视频弹窗
   ======================================== */
.tx-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.85);
    align-items: center;
    justify-content: center;
}
.tx-modal.active { display: flex; }
.tx-modal-content {
    width: 90%;
    max-width: 900px;
    position: relative;
}
.tx-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 2rem;
    color: var(--tx-white);
    cursor: pointer;
    background: none;
    border: none;
}
.tx-modal-body { border-radius: var(--tx-radius); overflow: hidden; }

/* ========================================
   内页通用
   ======================================== */
.tx-page-hero {
    background: linear-gradient(135deg, var(--tx-navy), var(--tx-navy-light));
    padding: 60px 0 48px;
    text-align: center;
}
.tx-page-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--tx-white);
    margin-bottom: 12px;
}
.tx-page-hero p {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
}
.tx-breadcrumb {
    padding: 14px 0;
    font-size: 0.85rem;
    color: var(--tx-text-muted);
    border-bottom: 1px solid var(--tx-border);
}
.tx-breadcrumb a { color: var(--tx-rose); }
.tx-page-content {
    padding: 48px 0;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1024px) {
    .tx-video-grid { grid-template-columns: repeat(3, 1fr); }
    .tx-ai-grid { grid-template-columns: repeat(2, 1fr); }
    .tx-footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .tx-nav { display: none; }
    .tx-nav.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--tx-white);
        padding: 16px;
        box-shadow: var(--tx-shadow);
        z-index: 999;
    }
    .tx-menu-toggle { display: flex; }
    .tx-hero-title { font-size: 1.8rem; }
    .tx-hero-stats { gap: 20px; }
    .tx-stat-item strong { font-size: 1.3rem; }
    .tx-video-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .tx-media-grid { grid-template-columns: 1fr; }
    .tx-ai-grid { grid-template-columns: 1fr; }
    .tx-ent-grid { grid-template-columns: 1fr; }
    .tx-ent-large { grid-row: span 1; }
    .tx-comm-grid { grid-template-columns: repeat(2, 1fr); }
    .tx-expert-grid { grid-template-columns: 1fr; }
    .tx-review-grid { grid-template-columns: 1fr; }
    .tx-contact-grid { grid-template-columns: 1fr; }
    .tx-howto-steps { grid-template-columns: 1fr; }
    .tx-footer-grid { grid-template-columns: 1fr; }
    .tx-hero-actions { flex-direction: column; align-items: center; }
    .tx-section { padding: 48px 0; }
    .tx-section-header h2 { font-size: 1.5rem; }
}
@media (max-width: 480px) {
    .tx-video-grid { grid-template-columns: 1fr; }
    .tx-comm-grid { grid-template-columns: 1fr; }
    .tx-partner-wall { gap: 10px; }
    .tx-partner-item { padding: 10px 20px; font-size: 0.85rem; }
}