/* ============================================================
 * 环球奇观 Wonder Vision - 央视红色主题样式
 * ============================================================ */

/* ========== CSS 变量 ========== */
:root {
    --color-primary: #dc2626;
    --color-primary-dark: #b91c1c;
    --color-primary-light: #ef4444;
    --color-gold: #fbbf24;
    --color-gold-dark: #d97706;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #ffffff;
    --color-border: #e5e7eb;
    --color-footer: #1a1a1a;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --container-width: 1200px;
    --header-height: 56px;
    --transition: all 0.3s ease;
}

/* ========== 基础重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

/* ========== 通用容器 ========== */
.wv-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== Header 顶部导航 ========== */
.wv-header {
    background: #ffffff;
}

.wv-header-top {
    padding: 12px 0;
}

.wv-header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.wv-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.wv-header-logo-img {
    height: 50px;
    width: auto;
    display: block;
}

.wv-nav {
    display: flex;
    align-items: center;
    white-space: nowrap;
    flex-shrink: 0;
}

.wv-nav-item {
    padding: 12px 24px;
    color: #333;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.wv-nav-item:hover {
    color: #d41418;
}

.wv-nav-active {
    color: #d41418 !important;
    font-weight: 700;
}

.wv-header-bottom {
    height: 4px;
    background: #d41418;
}

/* ========== 移动端汉堡按钮 + 抽屉 ========== */
.wv-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.wv-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

.wv-menu-toggle:hover span {
    background: var(--color-primary);
}

/* 遮罩 */
.wv-menu-mask {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.wv-menu-mask.active {
    opacity: 1;
    visibility: visible;
}

/* 抽屉面板 */
.wv-menu-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    max-width: 80vw;
    background: #ffffff;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
}

.wv-menu-drawer.active {
    transform: translateX(0);
}

.wv-menu-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.wv-menu-drawer-logo {
    height: 40px;
    width: auto;
}

.wv-menu-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-text-light);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.wv-menu-close:hover {
    color: var(--color-primary);
    transform: rotate(90deg);
}

.wv-menu-drawer-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 8px 0;
    overflow-y: auto;
}

.wv-menu-drawer-item {
    display: block;
    padding: 16px 24px;
    font-size: 16px;
    color: var(--color-text);
    border-bottom: 1px solid #f3f4f6;
    transition: var(--transition);
}

.wv-menu-drawer-item:hover {
    background: rgba(220, 38, 38, 0.06);
    color: var(--color-primary);
    padding-left: 28px;
}

.wv-menu-drawer-item.wv-nav-active {
    color: var(--color-primary);
    font-weight: 700;
    background: rgba(220, 38, 38, 0.06);
    border-left: 3px solid var(--color-primary);
    padding-left: 21px;
}

/* ========== Banner 区域 ========== */
.wv-banner {
    background: linear-gradient(180deg, #c21807 0%, #8b0000 50%, #5a0000 100%);
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 6;
    min-height: 280px;
    max-height: 500px;
    overflow: hidden;
}

.wv-banner-slider {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.wv-banner-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.wv-banner-slide.wv-banner-active {
    opacity: 1;
}

.wv-banner-slide a {
    display: block;
    width: 100%;
    height: 100%;
}

.wv-banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
}

.wv-banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.wv-banner-right {
    width: 220px;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
}

.wv-banner-video {
    flex: 1;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 20px 10px;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.wv-video-play {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 24px;
    padding-left: 5px;
}

.wv-banner-news {
    background: var(--color-primary);
    color: #ffffff;
    text-align: center;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
    margin: 0 20px 20px;
    border-radius: 4px;
}

/* ========== 通用 Section ========== */
.wv-section {
    padding: 48px 0;
}

.wv-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    padding: 0;
    background: none;
    border-bottom: 2px solid var(--color-primary);
    position: relative;
}

.wv-section-title {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    padding-left: 14px;
    position: relative;
}

.wv-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 2px;
}

.wv-section-icon {
    font-size: 16px;
}

.wv-section-en {
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-light);
    letter-spacing: 0.5px;
}

.wv-section-more {
    font-size: 13px;
    color: var(--color-text-light);
}

.wv-section-more:hover {
    color: var(--color-primary);
}

/* ========== 频道栏目 ========== */
.wv-channel-content {
    display: flex;
    gap: 24px;
    flex-direction: column;
}

/* 基础panel样式 - 默认隐藏 */
.wv-channel-panel {
    display: none;
}

.wv-channel-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

/* ========== 频道栏目页 - Banner ========== */
.wv-channel-banner {
    position: relative;
    height: 320px;
    overflow: hidden;
    background: #1f2937;
}

.wv-channel-banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.wv-channel-banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.wv-channel-banner-slide a {
    display: block;
    width: 100%;
    height: 100%;
}

.wv-channel-banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
}

.wv-banner-active {
    opacity: 1;
}

.wv-channel-banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.wv-banner-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.wv-banner-dot.wv-dot-active {
    width: 24px;
    border-radius: 4px;
    background: #ffffff;
}

/* ========== 频道栏目页 - 主内容 ========== */
.wv-channel-main {
    padding: 30px 0 50px;
}

.wv-channel-inner {
    display: flex;
    gap: 30px;
}

.wv-channel-sidebar {
    width: 200px;
    flex-shrink: 0;
    background: #f0f0f0;
}

.wv-sidebar-title {
    background: linear-gradient(90deg, var(--color-primary) 0%, #ef4444 100%);
    color: #ffffff;
    padding: 14px 20px;
    font-size: 18px;
    font-weight: 700;
    position: relative;
}

.wv-sidebar-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
}

.wv-sidebar-menu {
    list-style: none;
}

.wv-sidebar-item {
    display: block;
    padding: 14px 20px;
    font-size: 15px;
    color: var(--color-text);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.wv-sidebar-item:hover {
    background: rgba(220, 38, 38, 0.08);
    color: var(--color-primary);
    padding-left: 24px;
}

.wv-sidebar-active {
    background: #ffffff;
    color: var(--color-primary) !important;
    font-weight: 600;
    border-left: 3px solid var(--color-primary);
}

/* ========== 频道栏目页/合作页/公告页/专题页 通用 ========== */
.wv-programs-channel-content,
.wv-cooperation-channel-content,
.wv-announcement-channel-content,
.wv-special-channel-content {
    flex: 1;
    min-width: 0;
    display: block;
}

.wv-programs-channel-content .wv-channel-panel,
.wv-cooperation-channel-content .wv-channel-panel,
.wv-announcement-channel-content .wv-channel-panel,
.wv-special-channel-content .wv-channel-panel {
    display: none !important;
}

.wv-programs-channel-content .wv-channel-panel.wv-channel-panel-active,
.wv-cooperation-channel-content .wv-channel-panel.wv-channel-panel-active,
.wv-announcement-channel-content .wv-channel-panel.wv-channel-panel-active,
.wv-special-channel-content .wv-channel-panel.wv-channel-panel-active {
    display: block !important;
}

.wv-channel-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--color-border);
    width: 100%;
    display: block;
    writing-mode: horizontal-tb;
}

/* ========== 节目列表 ========== */
.wv-program-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
    width: 100%;
    clear: both;
}

.wv-program-grid::after {
    content: '';
    display: block;
    clear: both;
}

.wv-program-item {
    cursor: pointer;
    transition: var(--transition);
}

.wv-program-item:hover {
    transform: translateY(-3px);
}

.wv-program-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 2px;
    margin-bottom: 10px;
}

.wv-program-title {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.wv-program-item:hover .wv-program-title {
    color: var(--color-primary);
}

/* ========== 节目简介 ========== */
.wv-program-intro {
    padding-top: 20px;
    border-top: 1px dashed var(--color-border);
}

.wv-intro-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    position: relative;
    padding-left: 12px;
}

.wv-intro-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--color-primary);
}

.wv-intro-text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    text-indent: 2em;
}

/* ========== 频道合作页 - 栏目介绍 ========== */
.wv-coop-intro {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px dashed var(--color-border);
}

.wv-coop-image {
    width: 200px;
    height: 145px;
    flex-shrink: 0;
    border-radius: 2px;
}

.wv-coop-text {
    flex: 1;
    min-width: 0;
}

.wv-coop-text p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.9;
    text-indent: 2em;
}

/* ========== 频道合作页 - 嘉宾列表 ========== */
.wv-guest-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.wv-guest-item {
    cursor: pointer;
    transition: var(--transition);
}

.wv-guest-item:hover {
    transform: translateY(-3px);
}

.wv-guest-thumb {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 2px;
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
}

.wv-guest-name-tag {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: var(--color-primary);
    color: #ffffff;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 2px;
}

.wv-guest-name {
    font-size: 14px;
    color: var(--color-text-light);
    text-align: left;
}

.wv-guest-item:hover .wv-guest-name {
    color: var(--color-primary);
}

/* ========== 频道公告页 - 新闻列表 ========== */
.wv-news-list {
    margin-bottom: 30px;
}

.wv-news-item {
    padding: 18px 0;
    border-bottom: 1px dashed var(--color-border);
    transition: var(--transition);
}

.wv-news-item:hover {
    padding-left: 8px;
}

.wv-news-title {
    display: block;
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
    transition: var(--transition);
}

.wv-news-title:hover {
    color: var(--color-primary);
}

.wv-news-summary {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========== 分页 ========== */
.wv-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 30px 0;
}

.wv-page-btn,
.wv-page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    font-size: 14px;
    color: var(--color-text-light);
    background: #f5f5f5;
    border-radius: 2px;
    transition: var(--transition);
}

.wv-page-btn:hover,
.wv-page-num:hover {
    background: var(--color-primary);
    color: #ffffff;
}

.wv-page-active {
    background: var(--color-primary) !important;
    color: #ffffff !important;
    font-weight: 600;
}

/* ========== 精彩专题页 - 专题列表 ========== */
.wv-special-list {
    margin-bottom: 30px;
}

.wv-special-item-vertical {
    padding: 22px 0;
    border-bottom: 1px dashed var(--color-border);
    transition: var(--transition);
}

.wv-special-item-vertical:hover {
    padding-left: 8px;
}

.wv-special-item-title {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 10px;
    transition: var(--transition);
}

.wv-special-item-title:hover {
    color: var(--color-primary);
}

.wv-special-item-summary {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ========== 关于我们 - 频道介绍 ========== */
.wv-about-content {
    padding: 10px 0;
}

.wv-about-content p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 2;
    text-indent: 2em;
    margin-bottom: 15px;
}

.wv-about-content p:last-child {
    margin-bottom: 0;
}

/* ========== 关于我们 - 联系我们 ========== */
.wv-contact-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 30px 0;
    gap: 40px;
}

.wv-contact-info {
    flex: 1;
}

.wv-contact-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.wv-contact-fullname {
    font-size: 15px;
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.wv-contact-detail {
    font-size: 14px;
    color: var(--color-text);
    line-height: 2.2;
}

.wv-contact-detail p {
    margin-bottom: 8px;
}

.wv-contact-detail p:last-child {
    margin-bottom: 0;
}

.wv-contact-qr {
    display: flex;
    gap: 24px;
    flex-shrink: 0;
}

.wv-qr-item {
    text-align: center;
}

.wv-qr-img {
    width: 140px;
    height: 140px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.wv-qr-placeholder {
    width: 180px;
    height: 180px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.wv-qr-placeholder::before {
    content: '二维码';
    position: absolute;
    font-size: 14px;
    color: var(--color-text-light);
    background: repeating-linear-gradient(
        45deg,
        #f3f4f6,
        #f3f4f6 10px,
        #e5e7eb 10px,
        #e5e7eb 20px
    );
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wv-qr-label {
    margin-top: 12px;
    font-size: 13px;
    color: var(--color-text-light);
}

/* ========== 节目预告页 ========== */
.wv-schedule-content {
    padding: 20px 0;
}

.wv-schedule-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-primary);
}

.wv-schedule-body {
    font-size: 16px;
    color: var(--color-text);
    line-height: 2;
}

.wv-schedule-body p {
    margin-bottom: 16px;
}

.wv-schedule-body h1,
.wv-schedule-body h2,
.wv-schedule-body h3 {
    margin: 24px 0 16px;
    font-weight: 700;
}

.wv-schedule-body h1 { font-size: 24px; }
.wv-schedule-body h2 { font-size: 20px; }
.wv-schedule-body h3 { font-size: 18px; }

.wv-schedule-body ul,
.wv-schedule-body ol {
    margin: 16px 0;
    padding-left: 24px;
}

.wv-schedule-body li {
    margin-bottom: 8px;
}

.wv-schedule-body strong {
    color: var(--color-primary);
}

.wv-schedule-body .schedule-date {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin: 24px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--color-border);
}

.wv-schedule-body .schedule-item {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.wv-schedule-body .schedule-time {
    color: var(--color-primary);
    font-weight: 600;
    margin-right: 12px;
}

/* ========== 文章详情页 ========== */
.wv-article-detail-wrapper {
    padding: 20px 0;
}

.wv-article-detail {
    background: #fff;
    padding: 30px;
    border-radius: 4px;
}

.wv-article-detail-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-title);
    margin-bottom: 16px;
    line-height: 1.4;
    text-align: center;
}

.wv-article-detail-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 13px;
    color: var(--color-text-light);
    padding-bottom: 20px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.wv-article-detail-body {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.8;
}

.wv-article-detail-body p {
    margin-bottom: 16px;
    text-indent: 2em;
}

.wv-article-detail-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 16px auto;
}

/* ========== Footer 底部 ========== */
.wv-footer {
    background: #1a1a1a;
}

.wv-footer-content {
    padding: 24px 0;
}

.wv-footer-content .wv-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.wv-footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.wv-footer-nav a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    padding: 0 16px;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.wv-footer-nav a:first-child {
    padding-left: 0;
}

.wv-footer-nav a:last-child {
    border-right: none;
}

.wv-footer-nav a:hover {
    color: #fff;
}

.wv-footer-info-row {
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

.wv-footer-left {
    flex: 1;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 2;
}

.wv-footer-center {
    flex: 1;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 2;
    text-align: center;
}

.wv-footer-right {
    display: flex;
    gap: 30px;
    justify-content: flex-end;
}

.wv-footer-base {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.wv-qrcode-item {
    text-align: center;
}

.wv-qrcode-placeholder {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin-bottom: 6px;
}

.wv-qrcode-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 4px;
    margin-bottom: 6px;
}

.wv-qrcode-item span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.wv-footer-copyright {
    text-align: center;
    padding-top: 20px;
    margin-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .wv-nav-item {
        padding: 12px 16px;
        font-size: 14px;
    }
    .wv-channel-content {
        flex-direction: column;
    }
    .wv-footer-right {
        flex-direction: column;
    }
    .wv-footer-content {
        padding: 20px 0;
    }
    .wv-footer-nav a {
        padding: 0 12px;
        font-size: 12px;
    }
    .wv-footer-info-row {
        gap: 24px;
    }
    .wv-footer-left,
    .wv-footer-center {
        font-size: 12px;
    }
    .wv-footer-base {
        font-size: 13px;
    }
    .wv-qrcode-img {
        width: 70px;
        height: 70px;
    }
    .wv-qrcode-item span {
        font-size: 11px;
    }
    /* 频道页 Banner - pad */
    .wv-channel-banner {
        height: 160px;
    }
    /* 频道页侧栏 - pad */
    .wv-channel-main {
        padding: 24px 0 44px;
    }
    .wv-channel-inner {
        gap: 20px;
    }
    .wv-channel-sidebar {
        width: 170px;
    }
    .wv-sidebar-item {
        padding: 12px 16px;
        font-size: 14px;
    }
    /* 联系我们 - pad */
    .wv-contact-wrapper {
        gap: 24px;
        padding: 24px 0;
    }
    .wv-qr-img {
        width: 120px;
        height: 120px;
    }
    .wv-contact-name {
        font-size: 20px;
    }
    .wv-contact-fullname {
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .wv-header-top-inner {
        gap: 12px;
    }
    .wv-header-logo-img {
        height: 40px;
    }
    /* 桌面导航隐藏，显示汉堡按钮 */
    .wv-nav {
        display: none;
    }
    .wv-menu-toggle {
        display: flex;
    }
    /* Banner 移动端 */
    .wv-banner {
        aspect-ratio: auto;
        height: 180px;
        min-height: 0;
        max-height: none;
    }
    .wv-banner-slide img {
        object-fit: cover;
        object-position: center center;
    }
    .wv-banner-dots {
        bottom: 8px;
        gap: 6px;
    }
    .wv-banner-dot {
        width: 6px;
        height: 6px;
    }
    /* 频道页 Banner - 手机 */
    .wv-channel-banner {
        height: 120px;
    }
    .wv-channel-banner-dots {
        bottom: 10px;
    }
    .wv-footer-bottom-inner {
        flex-direction: column;
    }
    .wv-image-channel-grid {
        grid-template-columns: 1fr;
    }
    /* Section header 移动端微调 */
    .wv-section-title {
        font-size: 18px;
    }
    .wv-section-en {
        display: none;
    }
    .wv-footer-nav {
        gap: 4px 0;
        padding-bottom: 16px;
        justify-content: center;
    }
    .wv-footer-nav a {
        padding: 6px 12px;
        font-size: 12px;
        border-right: none;
    }
    .wv-footer-nav a:first-child {
        padding-left: 12px;
    }
    .wv-footer-info-row {
        flex-direction: column;
        gap: 20px;
    }
    .wv-footer-left,
    .wv-footer-center {
        font-size: 13px;
        line-height: 1.9;
    }
    .wv-footer-center {
        text-align: left;
    }
    .wv-footer-right {
        flex-direction: row;
        justify-content: center;
        gap: 24px;
    }
    .wv-qrcode-img {
        width: 80px;
        height: 80px;
    }
    .wv-qrcode-item span {
        font-size: 11px;
    }
    .wv-footer-copyright {
        font-size: 11px;
        padding-top: 16px;
        line-height: 1.6;
    }

    /* 频道页侧栏 - 手机：瘦身红条 + 横滑胶囊（参考 page-about.css） */
    .wv-channel-main {
        padding: 20px 0 36px;
    }
    .wv-channel-inner {
        flex-direction: column;
        gap: 16px;
    }
    .wv-channel-sidebar {
        width: 100%;
        background: transparent;
    }
    .wv-sidebar-title {
        width: 100%;
        box-sizing: border-box;
        margin: 0;
        padding: 9px 14px;
        font-size: 14px;
        font-weight: 700;
        letter-spacing: 2px;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(220, 38, 38, 0.16);
    }
    .wv-sidebar-title::after {
        display: none;
    }
    .wv-sidebar-menu {
        display: flex;
        gap: 8px;
        margin-top: 12px;
        padding-bottom: 4px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .wv-sidebar-menu::-webkit-scrollbar {
        display: none;
    }
    .wv-sidebar-menu li {
        flex-shrink: 0;
    }
    .wv-sidebar-item {
        display: inline-block;
        padding: 8px 15px;
        font-size: 13px;
        line-height: 1.4;
        white-space: nowrap;
        color: #444;
        background: #ffffff;
        border: 1px solid #ececec;
        border-bottom: 1px solid #ececec;
        border-radius: 999px;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    }
    .wv-sidebar-item:hover {
        padding-left: 15px;
        color: var(--color-primary);
    }
    .wv-sidebar-active {
        background: var(--color-primary) !important;
        color: #ffffff !important;
        border-color: var(--color-primary) !important;
        border-left: none;
        box-shadow: 0 2px 8px rgba(220, 38, 38, 0.28);
    }

    /* 联系我们 - 手机 */
    .wv-contact-wrapper {
        flex-direction: column;
        gap: 24px;
        padding: 16px 0;
    }
    .wv-contact-info {
        width: 100%;
    }
    .wv-contact-name {
        font-size: 18px;
        margin-bottom: 6px;
    }
    .wv-contact-fullname {
        font-size: 14px;
        margin-bottom: 16px;
    }
    .wv-contact-detail {
        font-size: 13px;
        line-height: 2;
    }
    .wv-contact-qr {
        justify-content: center;
        gap: 20px;
    }
    .wv-qr-img {
        width: 110px;
        height: 110px;
    }
    .wv-qr-label {
        margin-top: 8px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    /* Banner - 小屏 */
    .wv-banner {
        height: 140px;
    }
    .wv-banner-dots {
        bottom: 6px;
    }

    /* Footer - 小屏 */
    .wv-footer-content {
        padding: 16px 0;
    }
    .wv-footer-nav a {
        padding: 5px 10px;
        font-size: 11px;
    }
    .wv-footer-base {
        font-size: 12px;
        margin-bottom: 6px;
    }
    .wv-footer-left,
    .wv-footer-center {
        font-size: 12px;
        line-height: 1.8;
    }
    .wv-qrcode-img {
        width: 64px;
        height: 64px;
    }
    .wv-qrcode-item span {
        font-size: 10px;
    }
    .wv-footer-copyright {
        font-size: 10px;
        padding-top: 14px;
    }

    .wv-contact-qr {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    .wv-qr-img {
        width: 100px;
        height: 100px;
    }
    /* 频道页 Banner - 小屏 */
    .wv-channel-banner {
        height: 100px;
    }
    .wv-sidebar-title {
        padding: 8px 12px;
        font-size: 13px;
    }
    .wv-sidebar-item {
        padding: 7px 13px;
        font-size: 12.5px;
    }
}

/* ========== 影像中国频道页 ========== */
.wv-image-channel-content .wv-channel-panel {
    display: none;
}

.wv-image-channel-content .wv-channel-panel.wv-channel-panel-active {
    display: block;
}

.wv-image-channel-list {
    margin-top: 20px;
}

.wv-image-channel-list-item {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 16px;
    color: var(--color-text);
    transition: var(--transition);
}

.wv-image-channel-list-item:hover {
    color: var(--color-primary);
    padding-left: 8px;
}

.wv-image-channel-list-item:last-child {
    border-bottom: none;
}

.wv-image-channel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 24px;
}

.wv-image-channel-item {
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.wv-image-channel-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.wv-image-channel-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #e5e7eb;
    overflow: hidden;
}

.wv-image-channel-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.wv-image-channel-name-tag {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wv-image-channel-info {
    padding: 16px;
}

.wv-image-channel-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-title);
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wv-image-channel-subtitle {
    font-size: 13px;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.wv-image-channel-summary {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}