@charset "utf-8";

/* 首页改版主样式 —— 在此逐步覆盖/重写各模块 */

/* ========== 全屏视频首屏 ========== */
.hero-video {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 480px;
    overflow: hidden;
    background: #0a1a2e;
    transition: height 0.5s ease, min-height 0.5s ease, opacity 0.4s ease;
}

.hero-video.is-collapsed {
    height: 0;
    min-height: 0;
    opacity: 0;
    pointer-events: none;
}

.hero-video-media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

html.android-wx .hero-video-brand {
    pointer-events: none;
}
html.android-wx .hero-search,
html.android-wx .hero-stats,
html.android-wx .hero-video-scroll,
html.android-wx .hero-video-logo {
    pointer-events: auto;
}

.hero-video-brand {
    position: absolute;
    left: 50%;
    top: 14%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 36px;
    transform: translateX(-50%);
    width: min(1100px, calc(100% - 48px));
}

.hero-video-logo {
    display: block;
}

.hero-video-logo img {
    display: block;
    height: 110px;
    width: auto;
    max-width: 100%;
    /* filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.35)); */
}

.hero-search {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 480px;
    height: 50px;
    padding: 6px 8px 6px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.28);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-sizing: border-box;
}

.hero-search-field {
    position: relative;
    flex: 1;
    min-width: 0;
    height: 100%;
}

.hero-search-input {
    width: 100%;
    height: 100%;
    padding: 0 44px 0 22px;
    border: none;
    border-radius: 999px;
    background: #fff;
    font-size: 15px;
    color: var(--text);
    outline: none;
    box-sizing: border-box;
}

.hero-search-input::placeholder {
    color: #9aa5b1;
}

.hero-search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: var(--primary);
    pointer-events: none;
    line-height: 1;
}

.hero-search-btn {
    flex-shrink: 0;
    height: 100%;
    min-width: 96px;
    padding: 0 28px;
    border: none;
    border-radius: 999px;
    background: var(--primary-dark);
    color: #fff;
    font-size: 16px;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: background 0.2s ease;
}

.hero-search-btn:hover {
    background: var(--primary);
}

/* 市区数据统计 */
.hero-stats {
    padding-top: 24px;
    width: 100%;
    color: #fff;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.25);
}

.hero-stats-select {
    position: relative;
    width: 200px;
    margin: 0 auto 12px;
}

.hero-stats-select-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 6px 16px;
    border: none;
    background: transparent;
    color: #fff;
    font-size: 16px;
    letter-spacing: 0.08em;
    cursor: pointer;
    outline: none;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

.hero-stats-select-trigger .iconfont {
    font-size: 12px;
    color: #fff;
    line-height: 1;
    transition: transform 0.2s ease;
}

.hero-stats-select.is-open .hero-stats-select-trigger .iconfont {
    transform: rotate(180deg);
}

.hero-stats-select-options {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    margin: 0;
    padding: 6px 0;
    list-style: none;
    background: rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 5;
}

.hero-stats-select.is-open .hero-stats-select-options {
    display: block;
}

.hero-stats-select-options li {
    padding: 10px 20px;
    color: #fff;
    font-size: 15px;
    text-align: center;
    cursor: pointer;
    transition: background 0.2s ease;
    white-space: nowrap;
}

.hero-stats-select-options li:hover,
.hero-stats-select-options li.is-active {
    background: rgba(255, 255, 255, 0.12);
}

.hero-stats-line {
    width: 100%;
    height: 1px;
    margin-bottom: 20px;
    margin-top: 20px;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.45) 50%, transparent);
}

.hero-stats-list {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}

.hero-stats-item {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
}

.hero-stats-item .iconfont {
    font-size: 28px;
    color: #fff;
    line-height: 1;
}

.hero-stats-num {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 0.02em;
}

.hero-stats-item span {
    font-size: 12px;
    line-height: 1.4;
    opacity: 0.95;
    white-space: nowrap;
}

@media (max-width: 900px) {
    .hero-stats-list {
        flex-wrap: wrap;
        row-gap: 20px;
    }

    .hero-stats-item {
        flex: 0 0 25%;
    }

    .hero-stats-num {
        font-size: 22px;
    }

    .hero-stats-item span {
        white-space: normal;
        font-size: 11px;
    }
}

@media (max-width: 640px) {
    .hero-search {
        height: 52px;
        gap: 8px;
        padding: 6px;
    }

    .hero-search-input {
        padding: 0 38px 0 16px;
        font-size: 14px;
    }

    .hero-search-btn {
        min-width: 72px;
        padding: 0 16px;
        font-size: 14px;
    }

    .hero-stats-item {
        flex: 0 0 50%;
    }
}

.hero-video-scroll {
    position: absolute;
    left: 50%;
    bottom: 36px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transform: translateX(-50%);
    color: #fff;
    text-decoration: none;
    opacity: 0.85;
    transition: opacity 0.25s ease;
}

.hero-video-scroll:hover {
    opacity: 1;
    color: #fff;
}

.hero-video-scroll-icon {
    font-size: 22px;
    line-height: 1;
    animation: heroScrollBounce 1.6s ease-in-out infinite;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
    transform: rotate(180deg);
}

@keyframes heroScrollBounce {
    0%, 100% { transform: rotate(180deg) translateY(0); opacity: 0.7; }
    50% { transform: rotate(180deg) translateY(8px); opacity: 1; }
}

.home {
    min-height: 60vh;
    padding-bottom: 40px;
}

/* 顶部 Banner */
.banner {
    width: 100%;
    height: 380px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #1a5a8a 100%);
    background-size: cover;
    background-position: center;
}

.news {
    margin-top: 24px;
}

.news-main {
    display: flex;
    gap: 24px;
}

.news-pic {
    flex: 0 0 600px;
    height: 346px;
    margin-top: 20px;
    overflow: hidden;
    border-radius: 12px;
}

.news-pic a {
    display: block;
    width: 100%;
    height: 100%;
}

.news-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.news-list {
    flex: 1;
    min-width: 0;
    /* background: var(--bg-card); */
    /* box-shadow: var(--shadow); */
    border-radius: var(--radius);
    padding: 0px 20px;
    height: 380px;
}

.tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
    padding-bottom: 8px;
}

.tabs-item {
    position: relative;
    padding: 8px 18px;
    font-size: 16px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease;
    border-radius: 6px;
    user-select: none;
}

.tabs-item:hover {
    color: var(--primary);
}

.tabs-item.is-active {
    background: var(--nav);
    color: #fff;
    font-weight: 600;
    border-radius: 6px;
}

.tabs-item.is-active::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 100%;
    margin-top: -1px;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 7px solid var(--nav);
}

.tabs-item.is-active:hover {
    color: #fff;
}

.tabs-more {
    font-weight: 400;
    margin-left: auto;
    padding: 8px 0;
    font-size: 14px;
    color: #A47C50;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: opacity 0.2s ease;
}

.tabs-more:hover {
    opacity: 0.75;
}

.tabs-panel {
    display: none;
}

.tabs-panel.is-show {
    display: block;
}

.tabs-panel li {
}

.tabs-panel li:last-child {
    border-bottom: none;
}

.tabs-panel .news-item-link {
    display: block;
    padding: 10px 0;
    color: var(--text);
    text-decoration: none;
}

.tabs-panel .news-item-normal {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.tabs-panel .news-item-hover {
    display: none;
    align-items: center;
    gap: 16px;
}

.tabs-panel .news-item-link.is-hover .news-item-normal {
    display: none;
}

.tabs-panel .news-item-link.is-hover .news-item-hover {
    display: flex;
}

.tabs-panel .news-item-title {
    flex: 1;
    min-width: 0;
    font-size: 15px;
    line-height: 1.6;
}

.tabs-panel .news-item-date {
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 14px;
}

.tabs-panel .news-item-date-badge {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    background: url('../images/08.png') center center / cover no-repeat;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.tabs-panel .news-item-date-md {
    font-size: 20px;
    font-weight: 400;
    color: var(--nav);
    line-height: 1.1;
}

.tabs-panel .news-item-date-year {
    margin-top: 4px;
    padding: 1px 8px;
    background: var(--nav);
    color: #fff;
    font-size: 12px;
    line-height: 1.5;
    border-radius: 10px;
}

.tabs-panel .news-item-body {
    flex: 1;
    min-width: 0;
}

.tabs-panel .news-item-hover-title {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--nav);
    line-height: 1.5;
    margin-bottom: 6px;
}

.tabs-panel .news-item-intro {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.news-ad {
    margin-top: 36px;
}

.news-ad a {
    display: block;
    overflow: hidden;
    border-radius: var(--radius);
}

.news-ad img {
    width: 100%;
    height: auto;
    display: block;
}

.service {
    box-sizing: border-box;
    background: url('../images/23.jpg') center / cover no-repeat;
    height: 615px;
    margin-top: 36px;
    width: 100%;
}

.service-title {
    display: flex;
    justify-content: center;
    padding-top: 32px;
}

.service-title img {
    display: block;
    height: auto;
}

.service-item {
    width: var(--width);
    max-width: 100%;
    margin: 0 auto;
    padding-top: 36px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 275px);
    gap: 28px;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.service-card {
    background-color: #fff;
    border-radius: 8px;
}

.service-card a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 85px;
    box-sizing: border-box;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 42, 92, 0.06);
    color: var(--text);
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0, 42, 92, 0.1);
}

.service-card-bg24 a {
    position: relative;
    overflow: hidden;
}

.service-card-bg24 a::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: url('../images/24.png') repeat-x left center / auto 100%;
    z-index: 0;
    pointer-events: none;
}

.service-card-bg24 a:hover::before {
    animation: service-bg24-marquee 12s linear infinite;
}

.service-card-bg24 a .iconfont,
.service-card-bg24 a span {
    position: relative;
    z-index: 1;
}

@keyframes service-bg24-marquee {
    from {
        background-position: 0 center;
    }
    to {
        background-position: calc(-670px * 85 / 154) center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .service-card-bg24 a:hover::before {
        animation: none;
    }
}

.service-card .iconfont {
    font-size: 28px;
    line-height: 1;
    /* color: var(--primary-dark); */
}

.service-card-red .iconfont {
    background: linear-gradient(180deg, #FD4132 0%, #FE826B 100%);
}

.service-card-blue .iconfont {
    background: linear-gradient(180deg, #469CF1 0%, #2281E0 100%);
}

.service-card-green .iconfont {
    background: linear-gradient(180deg, #5ECDA3 0%, #1C845F 100%);
} 

.service-card .iconfont {
    font-size: 28px;
    line-height: 1;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.service-card span {
    margin-top: 8px;
    font-size: 14px;
    line-height: 1.2;
}

.service-bot {
    text-align: center;
    margin-top: 40px;
}

.service-bot img,
.service-title img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 1200px) {
    .service {
        height: auto;
        padding: 0 16px 40px;
        background-size: cover;
        background-position: center top;
    }

    .service-title {
        padding-top: 28px;
    }

    .service-item {
        width: 100%;
        max-width: 640px;
        padding-top: 24px;
    }

    .service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .service-card a {
        height: 80px;
    }

    .service-bot {
        margin-top: 28px;
    }
}

@media (max-width: 640px) {
    .service {
        margin-top: 24px;
        padding: 0 12px 32px;
    }

    .service-title {
        padding-top: 20px;
    }

    .service-title img {
        width: min(280px, 72vw);
    }

    .service-item {
        padding-top: 16px;
    }

    .service-grid {
        gap: 12px;
    }

    .service-card a {
        height: 72px;
        padding: 0 8px;
    }

    .service-card .iconfont {
        font-size: 24px;
    }

    .service-card span {
        margin-top: 6px;
        font-size: 13px;
    }

    .service-bot {
        margin-top: 20px;
    }

    .service-bot img {
        width: min(220px, 56vw);
    }
}

.topic {
    width: 100%;
    height: 570px;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.topic-list {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 24px;
    width: 1400px;
    max-width: 100%;
    height: 426px;
    box-sizing: border-box;
}

.topic-title-img,
.topic-item {
    display: block;
    overflow: hidden;
    height: 100%;
    flex-shrink: 0;
}

.topic-title-img {
    width: 95px;
}

.topic-item:nth-of-type(1) {
    width: 289px;
}

.topic-item {
    width: 270px;
    opacity: 0;
    transition: transform 1.5s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 1.5s ease,
        box-shadow 0.25s ease;
    will-change: transform, opacity;
}

.topic-item--from-top {
    transform: translateY(-64px);
}

.topic-item--from-bottom {
    transform: translateY(64px);
}

.topic-item.is-in {
    opacity: 1;
    transform: translateY(0);
}

.topic-item.is-in:hover {
    transform: translateY(-4px);
}

.topic-title-img img,
.topic-item img {
    display: block;
}

@media (prefers-reduced-motion: reduce) {
    .topic-item,
    .topic-item--from-top,
    .topic-item--from-bottom,
    .topic-item.is-in,
    .topic-item.is-in:hover {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.mailbox {
    width: var(--width);
    max-width: 100%;
    margin-top: 48px;
    margin-bottom: 48px;
    padding: 0 16px;
    box-sizing: border-box;
}

.mailbox-panel {
    display: flex;
    align-items: stretch;
    gap: 48px;
    padding: 28px 36px 32px;
    background: #fff;
    border: 1px solid #e8eef5;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(10, 74, 138, 0.06);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(48px);
    transition: transform 1.9s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.9s ease;
    will-change: transform, opacity;
}

.mailbox-panel.is-in {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .mailbox-panel,
    .mailbox-panel.is-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.mailbox-panel::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 11px;
    background: #8eb8e0;
}

.mailbox-side {
    flex: 0 0 50%;
    min-width: 0;
    padding-top: 8px;
}

.mailbox-side-title {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 20px;
    padding-left: 14px;
    position: relative;
}

.mailbox-side-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.28em;
    width: 4px;
    height: 1.5em;
    background: #1A73E8;
    border-radius: 2px;
}

.mailbox-side-title-cn {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
}

.mailbox-side-title-en {
    font-size: 20px;
    letter-spacing: 0.08em;
    color: #c4b39a;
    line-height: 1;
}

.mailbox-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.mailbox-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 14px;
    background: #e8eef8;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.mailbox-link:hover {
    background: #dce6f5;
    transform: translateY(-1px);
}

.mailbox-link .iconfont {
    flex-shrink: 0;
    font-size: 22px;
}

.mailbox-link span {
    font-size: 15px;
    line-height: 1.4;
}

.mailbox-search {
    flex: 1;
    min-width: 0;
    padding-top: 4px;
}

.mailbox-search-tabs {
    display: flex;
    align-items: flex-end;
    gap: 28px;
    border-bottom: 1px solid #e5eaf0;
    margin-bottom: 10px;
}

.mailbox-search-tab {
    position: relative;
    padding: 0 2px 12px;
    border: 0;
    background: none;
    font-size: 22px;
    color: #8a94a0;
    cursor: pointer;
    line-height: 1.2;
}

.mailbox-search-tab.is-active {
    color: var(--primary-dark);
    font-weight: 700;
}

.mailbox-search-tab.is-active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 3px;
    background: #1A73E8;
    border-radius: 2px 2px 0 0;
}

.mailbox-search-form {
    display: none;
    flex-direction: column;
    gap: 14px;
}

.mailbox-search-form.is-show {
    display: flex;
}

.mailbox-search-input {
    width: 78%;
    height: 45px;
    padding: 0 22px;
    border: 1px solid #d5dde6;
    border-radius: 999px;
    background: #fff;
    font-size: 14px;
    color: var(--text);
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s ease;
}

.mailbox-search-input::placeholder {
    color: #a0aab6;
}

.mailbox-search-input:focus {
    border-color: var(--primary);
}

.mailbox-search-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mailbox-search-row .mailbox-search-input {
    flex: 1;
    min-width: 0;
}

.mailbox-search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-shrink: 0;
    height: 44px;
    padding: 0 28px;
    border: 0;
    border-radius: 999px;
    background: var(--primary-dark);
    color: #fff;
    font-size: 15px;
    cursor: pointer;
    transition: background 0.2s ease, opacity 0.2s ease;
}

.mailbox-search-btn:hover {
    background: var(--primary);
}

.mailbox-search-btn .iconfont {
    font-size: 16px;
}

@media (max-width: 1100px) {
    .mailbox-panel {
        flex-direction: column;
        gap: 28px;
        padding: 24px 20px 28px;
    }

    .mailbox-side {
        flex: none;
        max-width: none;
    }
}

.cultural {
    width: var(--width);
    max-width: 100%;
    margin-top: 48px;
    margin-bottom: 48px;
    padding: 0 16px;
    box-sizing: border-box;
}

.cultural-title {
    display: flex;
    justify-content: center;
    margin-bottom: 36px;
}

.cultural-title img {
    display: block;
    height: auto;
}

.cultural-slider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
}

.cultural-viewport {
    width: 1200px;
    max-width: 100%;
    overflow: hidden;
}

.cultural-grid {
    list-style: none;
    margin: 0;
    padding: 8px 0 24px;
    overflow: hidden;
}

.cultural-grid .cultural-card {
    float: left;
    width: 175px;
    height: 230px;
    margin-right: 68px;
}

.cultural .cultural-card {
    opacity: 0;
    transform: translateX(-56px);
    transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.9s ease;
    will-change: transform, opacity;
}

.cultural .cultural-card:nth-child(1) { transition-delay: 0s; }
.cultural .cultural-card:nth-child(2) { transition-delay: 0.07s; }
.cultural .cultural-card:nth-child(3) { transition-delay: 0.14s; }
.cultural .cultural-card:nth-child(4) { transition-delay: 0.21s; }
.cultural .cultural-card:nth-child(5) { transition-delay: 0.28s; }
.cultural .cultural-card:nth-child(6) { transition-delay: 0.35s; }
.cultural .cultural-card:nth-child(7) { transition-delay: 0.42s; }
.cultural .cultural-card:nth-child(8) { transition-delay: 0.49s; }
.cultural .cultural-card:nth-child(n + 9) { transition-delay: 0.56s; }

.cultural.is-in .cultural-card {
    opacity: 1;
    transform: translateX(0);
}

.cultural-arrow {
    position: relative;
    flex-shrink: 0;
    width: 22px;
    height: 80px;
    padding: 0;
    border: none;
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    transition: opacity 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.cultural-arrow:hover:not(:disabled) {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.16);
    transform: scale(1.04);
}

.cultural-arrow:disabled {
    opacity: 0.35;
    cursor: default;
}

.cultural-arrow::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-style: solid;
    transform: translate(-50%, -50%);
}

.cultural-arrow--prev::after {
    margin-left: -1px;
    border-width: 6px 8px 6px 0;
    border-color: transparent #2f7de0 transparent transparent;
}

.cultural-arrow--next::after {
    margin-left: 1px;
    border-width: 6px 0 6px 8px;
    border-color: transparent transparent transparent #2f7de0;
}

.cultural-card-link {
    position: relative;
    display: block;
    width: 175px;
    height: 230px;
    overflow: hidden;
    border-radius: 4px;
    background: #e8eef5;
    box-shadow: 0 4px 16px rgba(6, 48, 92, 0.12);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.cultural-card-link::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 8%;
    height: 100%;
    z-index: 2;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.5) 0%, rgba(100, 100, 100, 0.2) 30%, rgba(255, 255, 255, 0.5) 55%, rgba(255, 255, 255, 0) 100%);
    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.4);
    pointer-events: none;
}

.cultural-card-link:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 24px rgba(6, 48, 92, 0.18);
}

.cultural-card-cover {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.cultural-card-link:hover .cultural-card-cover {
    transform: scale(1.06);
}

.cultural-card-title {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    padding: 28px 10px 10px;
    font-size: 13px;
    line-height: 1.35;
    color: #fff;
    text-align: center;
    background: linear-gradient(transparent, rgba(6, 48, 92, 0.88));
    opacity: 0;
    transition: opacity 0.25s ease;
}

.cultural-card-link:hover .cultural-card-title {
    opacity: 1;
}

.cultural-more {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 36px;
    color: #a47c52;
    text-decoration: none;
    opacity: 0;
    transform: translateX(-56px);
    transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.9s ease,
        color 0.2s ease;
    transition-delay: 0.35s;
    will-change: transform, opacity;
}

.cultural-more.is-in {
    opacity: 1;
    transform: translateX(0);
}

.cultural-more:hover {
    color: #a47c52;
    opacity: 0.9;
}

.cultural-more .iconfont {
    font-size: 36px;
    line-height: 1;
    transition: transform 0.5s ease;
}

.cultural-more:hover .iconfont {
    transform: rotate(60deg);
}

.cultural-more-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.25;
}

.cultural-more-cn {
    font-size: 15px;
    letter-spacing: 0.04em;
}

.cultural-more-en {
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

@media (prefers-reduced-motion: reduce) {
    .cultural .cultural-card,
    .cultural .cultural-card.is-in,
    .cultural-more,
    .cultural-more.is-in {
        opacity: 1;
        transform: none;
        transition: none;
        transition-delay: 0s;
    }
}

.friendship {
    width: var(--width);
    max-width: 100%;
    margin-top: 24px;
    margin-bottom: 0;
    padding: 0 16px;
    box-sizing: border-box;
}

.friendship-panel {
    padding: 22px 32px 26px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 18px rgba(10, 74, 138, 0.06);
    opacity: 0;
    transform: translateY(48px);
    transition: transform 1.9s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.9s ease;
    will-change: transform, opacity;
}

.friendship-panel.is-in {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .friendship-panel,
    .friendship-panel.is-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.friendship-head {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 0 0 16px 14px;
    border-bottom: 1px solid #eceff3;
    position: relative;
}

.friendship-head::before {
    content: '';
    position: absolute;
    left: 0;
    /* top: 0.22em; */
    width: 4px;
    height: 1.5em;
    background: #e8934a;
    border-radius: 2px;
}

.friendship-title-cn {
    font-size: 20px;
    font-weight: 700;
    color: #2e4e7e;
    line-height: 1.2;
}

.friendship-title-en {
    font-size: 18px;
    letter-spacing: 0.06em;
    color: #c4b39a;
    line-height: 1;
    transform: scaleX(1.1);
}

.friendship-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    list-style: none;
    margin: 0;
    padding: 20px 4px 4px;
}

.friendship-link {
    display: block;
    font-size: 15px;
    color: #555;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.friendship-link:hover {
    color: var(--primary);
}

@media (max-width: 1100px) {
    .friendship-list {
        justify-content: flex-start;
    }

    .cultural-slider {
        gap: 12px;
    }

    .cultural-viewport {
        width: calc(100% - 80px);
    }

    .cultural-grid .cultural-card {
        margin-right: 16px;
    }
}

.placeholder {
    margin: 40px auto;
    padding: 48px 24px;
    text-align: center;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

.placeholder strong {
    display: block;
    margin-bottom: 8px;
    font-size: 18px;
    color: var(--primary);
}

@media (max-width: 1100px) {
    .news-main {
        flex-direction: column;
    }

    .news-pic {
        flex: none;
        width: 100%;
        max-height: 360px;
    }
}

.datav-drawer-tab {
    position: fixed;
    right: 0;
    top: 50%;
    z-index: 900;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    transform: translateY(-50%);
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.datav-drawer-tab-inner {
    position: relative;
    display: block;
}

.datav-drawer-tab img {
    display: block;
    width: auto;
    height: 145px;
    max-height: 28vh;
}

.datav-drawer-tab-arrow {
    position: absolute;
    left: 30px;
    top: 50%;
    font-size: 10px;
    line-height: 1;
    color: #fff;
    transform: translateY(-50%) translateX(6px) rotate(-90deg);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    opacity: 0.9;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.datav-drawer-tab:hover .datav-drawer-tab-arrow {
    opacity: 1;
    animation: floatLeftRight 1.8s ease-in-out infinite;
}

@keyframes floatLeftRight {
    0%, 100% { transform: translateY(-50%) translateX(6px) rotate(-90deg); }
    50% { transform: translateY(-50%) translateX(-6px) rotate(-90deg); }
}

.datav-drawer-tab:hover {
    opacity: 0.92;
}

.datav-drawer-panel {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: #0a1a2e;
    transform: translateX(100%);
    transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.datav-drawer-panel.is-open {
    transform: translateX(0);
}

.datav-drawer-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.datav-drawer-close:hover {
    background: rgba(255, 255, 255, 0.28);
}

.datav-drawer-frame {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
}

body.datav-drawer-open {
    overflow: hidden;
}

body.hero-visible .datav-drawer-tab {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

body.hero-visible .side-ad {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

body.datav-drawer-open .datav-drawer-tab {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

@media (max-width: 640px) {
    .datav-drawer-tab-arrow {
        left: 5px;
        font-size: 12px;
    }

    .datav-drawer-tab img {
        height: 88px;
    }
}

.side-ad {
    position: fixed;
    left: 0;
    top: 24%;
    z-index: 90;
    width: 180px;
    transform: translateY(-50%);
    display: none;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.side-ad.is-show {
    display: block;
}

.side-ad-link {
    display: block;
    line-height: 0;
}

.side-ad-link img {
    display: block;
    width: 100%;
    height: auto;
}

.side-ad-close {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 2;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
}