/* ============================================================
   ONE游戏官网 live-hub 主题样式
   配色: 深红 #7A1B2B / 深蓝 #102A56 / 广播光 #FFD9A0 / 夜 #0C0E14
   设计方向: Sports x Online Live Hub / 体育与在线互动内容中心
   ============================================================ */

:root {
    --lh-red: #7A1B2B;
    --lh-navy: #102A56;
    --lh-broadcast: #FFD9A0;
    --lh-night: #0C0E14;
    --lh-panel: #151A28;
    --lh-line: rgba(255, 217, 160, 0.16);
    --lh-muted: #9AA3B5;
}

/* ---- 基础 ---- */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--lh-night);
    color: #E8EBF3;
    line-height: 1.7;
}

img {
    display: block;
}

.lh-wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

.lh-section {
    padding: 46px 0;
}

.lh-head {
    margin-bottom: 26px;
}

.lh-head__title {
    font-size: 26px;
    color: #FFFFFF;
    margin: 0 0 6px;
}

.lh-head__note {
    color: var(--lh-muted);
    margin: 0;
}

/* ---- Header: 直播导航(深蓝底红色高亮) ---- */
.lh-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--lh-navy);
    border-bottom: 2px solid var(--lh-red);
}

.lh-header__inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
    min-height: 64px;
}

.lh-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.lh-brand__icon {
    color: #E0455C;
    font-size: 22px;
}

.lh-brand__name {
    color: var(--lh-broadcast);
    font-weight: 700;
    letter-spacing: 1px;
}

.lh-nav {
    display: flex;
    gap: 4px;
}

.lh-nav__link {
    color: #D8DEEA;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 15px;
}

.lh-nav__link:hover {
    color: var(--lh-broadcast);
    background: rgba(255, 217, 160, 0.08);
}

.lh-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--lh-line);
    color: var(--lh-broadcast);
    font-size: 18px;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
}

/* ---- 按钮体系 ---- */
.lh-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 15px;
    cursor: pointer;
    border: 1px solid transparent;
}

.lh-btn--primary {
    background: var(--lh-red);
    color: #FFFFFF;
}

.lh-btn--primary:hover {
    background: #93232F;
}

.lh-btn--ghost {
    color: var(--lh-broadcast);
    border-color: var(--lh-line);
    background: transparent;
}

.lh-btn--ghost:hover {
    border-color: var(--lh-broadcast);
}

.lh-btn--big {
    font-size: 17px;
    padding: 14px 34px;
}

/* ---- 状态圆点 ---- */
.lh-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #E0455C;
    box-shadow: 0 0 0 0 rgba(224, 69, 92, 0.6);
    animation: lh-pulse 1.8s infinite;
    display: inline-block;
}

@keyframes lh-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(224, 69, 92, 0.55);
    }
    70% {
        box-shadow: 0 0 0 9px rgba(224, 69, 92, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(224, 69, 92, 0);
    }
}

/* ---- Hero: 双舞台首屏 ---- */
.lh-hero {
    background:
        radial-gradient(900px 420px at 85% 10%, rgba(122, 27, 43, 0.35), transparent 60%),
        linear-gradient(160deg, #0C1222 0%, var(--lh-night) 60%);
    padding: 56px 0 48px;
}

.lh-hero__grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 40px;
    align-items: center;
}

.lh-hero__kicker {
    display: inline-block;
    color: var(--lh-broadcast);
    border: 1px solid var(--lh-line);
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 13px;
    margin: 0 0 14px;
}

.lh-hero__title {
    font-size: 34px;
    line-height: 1.35;
    margin: 0 0 14px;
    color: #FFFFFF;
}

.lh-hero__subtitle {
    color: #C6CDDB;
    max-width: 520px;
    margin: 0 0 20px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.hero-tags span {
    background: rgba(255, 217, 160, 0.10);
    color: var(--lh-broadcast);
    border: 1px solid var(--lh-line);
    border-radius: 999px;
    padding: 5px 14px;
    font-size: 13px;
}

.lh-hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.lh-hero__visual {
    position: relative;
}

.lh-hero__img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    border-radius: 14px;
    border: 1px solid var(--lh-line);
}

.lh-hero__ribbon {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    background: rgba(12, 14, 20, 0.82);
    border: 1px solid var(--lh-line);
    border-radius: 10px;
    padding: 10px 14px;
}

.lh-hero__status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #EDF0F6;
    font-size: 13px;
}

/* ---- 直播磁贴 ---- */
.lh-tiles__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.lh-tile {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    overflow: hidden;
    animation: lh-breathe 3.6s ease-in-out infinite;
}

.lh-tile__img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.lh-tile__body {
    padding: 14px 16px 16px;
}

.lh-tile__tag {
    display: inline-block;
    background: rgba(122, 27, 43, 0.28);
    color: #FFB3BE;
    border: 1px solid rgba(224, 69, 92, 0.5);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px;
    margin-bottom: 8px;
}

.lh-tile__title {
    margin: 0 0 6px;
    font-size: 17px;
    color: #FFFFFF;
}

.lh-tile__text {
    margin: 0;
    color: var(--lh-muted);
    font-size: 14px;
}

@keyframes lh-breathe {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 217, 160, 0);
    }
    50% {
        box-shadow: 0 0 24px 4px rgba(255, 217, 160, 0.10);
    }
}

/* ---- 双栏信息流 ---- */
.lh-feeds {
    background: #10141F;
}

.lh-feeds__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.lh-feed {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 20px;
}

.lh-feed__title {
    margin: 0 0 12px;
    color: var(--lh-broadcast);
    font-size: 17px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.lh-feed__list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 178px;
    overflow: hidden;
}

.lh-feed__item {
    padding: 10px 12px;
    border-left: 3px solid var(--lh-red);
    background: rgba(255, 255, 255, 0.03);
    margin-bottom: 8px;
    border-radius: 4px;
    font-size: 14px;
    color: #D5DBE7;
}

/* ---- 活动卡 ---- */
.lh-events__grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr 1fr;
    gap: 20px;
    align-items: stretch;
}

.lh-event {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.lh-event--featured {
    padding: 0;
    overflow: hidden;
}

.lh-event__img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
}

.lh-event__body {
    padding: 16px 18px 18px;
}

.lh-event__state {
    align-self: flex-start;
    background: rgba(16, 42, 86, 0.6);
    color: var(--lh-broadcast);
    border: 1px solid var(--lh-line);
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    margin-bottom: 10px;
}

.lh-event__title {
    margin: 0 0 6px;
    font-size: 18px;
    color: #FFFFFF;
}

.lh-event__text {
    margin: 0;
    color: var(--lh-muted);
    font-size: 14px;
}

/* ---- 在线状态带 ---- */
.lh-status {
    background: linear-gradient(90deg, var(--lh-navy), var(--lh-red));
    padding: 26px 0;
}

.lh-status__lead {
    color: var(--lh-broadcast);
    margin: 0 0 16px;
    text-align: center;
}

.lh-status__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.lh-status__cell {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(12, 14, 20, 0.32);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    padding: 14px;
    color: #FFFFFF;
    font-size: 15px;
}

/* ---- 游戏中心 ---- */
.lh-games__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
}

.lh-games__text {
    color: #C6CDDB;
}

.lh-games__cats {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 0;
    margin: 18px 0 0;
}

.lh-games__cats li {
    background: rgba(16, 42, 86, 0.5);
    border: 1px solid var(--lh-line);
    border-radius: 999px;
    padding: 8px 18px;
    color: #EDF0F6;
}

.lh-games__img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--lh-line);
}

/* ---- 移动端说明 ---- */
.lh-mobile {
    background: #10141F;
}

.lh-mobile__grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 32px;
    align-items: center;
}

.lh-mobile__text {
    color: #C6CDDB;
    margin: 0 0 8px;
}

.lh-mobile__points {
    list-style: none;
    padding: 0;
    margin: 14px 0 0;
}

.lh-mobile__points li {
    position: relative;
    padding: 8px 0 8px 26px;
    color: #D5DBE7;
}

.lh-mobile__points li::before {
    content: "\f058";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--lh-broadcast);
}

.lh-mobile__img {
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--lh-line);
}

/* ---- 用户评价 ---- */
.lh-reviews__stage {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
}

.lh-review {
    margin: 0;
    display: none;
}

.lh-review--active {
    display: block;
}

.lh-review__text {
    font-size: 17px;
    color: #EDF0F6;
    margin: 0 0 12px;
}

.lh-review__who {
    font-style: normal;
    color: var(--lh-broadcast);
    font-size: 14px;
}

.lh-review__dots {
    margin-top: 18px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.lh-review__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid var(--lh-line);
    background: transparent;
    cursor: pointer;
    padding: 0;
}

.lh-review__dot--active {
    background: var(--lh-broadcast);
}

/* ---- FAQ: 在线服务台 ---- */
.lh-faq-section {
    background: #10141F;
}

.lh-faq__desk {
    display: grid;
    grid-template-columns: 0.9fr 1.4fr;
    gap: 30px;
    align-items: start;
}

.lh-faq__side {
    background: linear-gradient(180deg, var(--lh-navy), #0C1222);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 26px;
}

.lh-faq__title {
    color: #FFFFFF;
    margin: 0 0 10px;
    font-size: 22px;
}

.lh-faq__side-text {
    color: #C6CDDB;
    margin: 0 0 18px;
}

.lh-faq__item {
    border: 1px solid var(--lh-line);
    border-radius: 10px;
    margin-bottom: 10px;
    background: var(--lh-panel);
    overflow: hidden;
}

.lh-faq__question {
    width: 100%;
    text-align: left;
    background: none;
    border: 0;
    color: #FFFFFF;
    padding: 14px 16px;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lh-faq__question::after {
    content: "+";
    color: var(--lh-broadcast);
    font-size: 18px;
}

.lh-faq__item--open .lh-faq__question::after {
    content: "-";
}

.lh-faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.lh-faq__item--open .lh-faq__answer {
    max-height: 160px;
}

.lh-faq__answer p {
    margin: 0;
    padding: 0 16px 14px;
    color: #C6CDDB;
    font-size: 14px;
}

/* ---- Final CTA ---- */
.lh-final__box {
    text-align: center;
    background: radial-gradient(700px 260px at 50% 0%, rgba(122, 27, 43, 0.4), transparent 70%);
    border: 1px solid var(--lh-line);
    border-radius: 16px;
    padding: 46px 24px;
}

.lh-final__title {
    font-size: 28px;
    color: #FFFFFF;
    margin: 0 0 8px;
}

.lh-final__text {
    color: #C6CDDB;
    margin: 0 0 22px;
}

/* ---- Footer: 广播台 ---- */
.lh-footer {
    background: #0A0D15;
    border-top: 2px solid var(--lh-red);
    padding: 40px 0 28px;
}

.lh-footer__top {
    margin-bottom: 24px;
}

.lh-footer__logo {
    color: var(--lh-broadcast);
    font-weight: 700;
    text-decoration: none;
}

.lh-footer__logo:hover {
    text-decoration: underline;
}

.lh-footer__tag {
    color: var(--lh-muted);
    font-size: 13px;
    margin: 6px 0 0;
}

.lh-footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.lh-footer__nav a {
    color: #D8DEEA;
    text-decoration: none;
}

.lh-footer__nav a:hover {
    color: var(--lh-broadcast);
}

.lh-friends {
    border: 1px solid var(--lh-line);
    border-radius: 10px;
    padding: 16px 18px;
    margin-bottom: 22px;
}

.lh-friends__title {
    color: #FFFFFF;
    font-size: 15px;
    margin: 0 0 10px;
}

.lh-friends__list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin: 0;
    padding: 0;
}

.lh-friends__list a {
    color: var(--lh-muted);
    text-decoration: none;
    font-size: 13px;
}

.lh-friends__list a:hover {
    color: var(--lh-broadcast);
}

.lh-footer__notice {
    color: #6C7588;
    font-size: 12px;
    margin: 0 0 10px;
    max-width: 920px;
}

.lh-footer__copy {
    color: var(--lh-broadcast);
    font-size: 13px;
    margin: 0;
}

/* ---- 内页: 页头 ---- */
.lh-pagehead {
    background: linear-gradient(160deg, #0C1222, var(--lh-night));
    border-bottom: 1px solid var(--lh-line);
    padding: 44px 0;
}

.lh-pagehead__grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    align-items: center;
}

.lh-pagehead__crumb {
    color: var(--lh-muted);
    font-size: 13px;
    margin: 0 0 10px;
}

.lh-pagehead__title {
    color: #FFFFFF;
    font-size: 30px;
    margin: 0 0 12px;
}

.lh-pagehead__intro {
    color: #C6CDDB;
    margin: 0;
}

.lh-pagehead__img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--lh-line);
}

/* ---- 内页: 关于(定位三支柱 + 脉络) ---- */
.lh-story__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.lh-story__card {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 24px;
}

.lh-story__icon {
    color: #E0455C;
    font-size: 22px;
    margin-bottom: 10px;
}

.lh-story__title {
    color: #FFFFFF;
    margin: 0 0 8px;
    font-size: 18px;
}

.lh-story__text {
    margin: 0;
    color: #C6CDDB;
    font-size: 14px;
}

.lh-timeline {
    background: #10141F;
}

.lh-timeline__grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    align-items: center;
}

.lh-timeline__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.lh-timeline__list li {
    position: relative;
    padding: 12px 0 12px 30px;
    color: #D5DBE7;
    border-left: 2px solid var(--lh-red);
    margin-left: 8px;
    padding-left: 22px;
}

.lh-timeline__list span {
    display: block;
    color: var(--lh-broadcast);
    font-weight: 700;
    margin-bottom: 2px;
}

.lh-timeline__img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--lh-line);
}

.lh-values__note {
    color: var(--lh-muted);
    margin: 0 0 18px;
}

.lh-values__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

.lh-values__cell {
    background: rgba(16, 42, 86, 0.4);
    border: 1px solid var(--lh-line);
    border-radius: 10px;
    padding: 16px 8px;
    text-align: center;
    color: var(--lh-broadcast);
}

.lh-about-cta__box {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 22px 24px;
}

.lh-about-cta__text {
    margin: 0;
    color: #C6CDDB;
}

/* ---- 内页: 产品(双入口面板 + 流程) ---- */
.lh-panels__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.lh-panel {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    overflow: hidden;
}

.lh-panel__img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.lh-panel__body {
    padding: 20px 22px 24px;
}

.lh-panel__title {
    color: #FFFFFF;
    font-size: 20px;
    margin: 0 0 10px;
}

.lh-panel__list {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
}

.lh-panel__list li {
    padding: 7px 0 7px 26px;
    position: relative;
    color: #D5DBE7;
}

.lh-panel__list li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--lh-broadcast);
}

.lh-steps {
    background: #10141F;
}

.lh-steps__list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 0;
    padding: 0;
    counter-reset: lh-step;
}

.lh-steps__list li {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 10px;
    padding: 18px;
    color: #EDF0F6;
    text-align: center;
}

.lh-steps__num {
    display: block;
    color: var(--lh-broadcast);
    font-weight: 700;
    margin-bottom: 6px;
}

.lh-board__grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    align-items: center;
}

.lh-board__text {
    color: #C6CDDB;
    margin: 0 0 10px;
}

.lh-board__img {
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--lh-line);
}

.lh-product-cta__box {
    background: linear-gradient(90deg, var(--lh-navy), var(--lh-red));
    border-radius: 12px;
    padding: 26px 30px;
}

.lh-product-cta__title {
    margin: 0;
    color: #FFFFFF;
    font-size: 24px;
}

/* ---- 内页: 动态台(头条 + 列表 + 公告板) ---- */
.lh-feature__grid {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 30px;
    align-items: center;
}

.lh-feature__img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--lh-line);
}

.lh-feature__tag {
    display: inline-block;
    background: rgba(122, 27, 43, 0.28);
    color: #FFB3BE;
    border: 1px solid rgba(224, 69, 92, 0.5);
    border-radius: 4px;
    padding: 2px 10px;
    font-size: 12px;
    margin-bottom: 10px;
}

.lh-feature__title {
    color: #FFFFFF;
    font-size: 24px;
    margin: 0 0 10px;
}

.lh-feature__text {
    color: #C6CDDB;
    margin: 0 0 8px;
}

.lh-newslist__grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr;
    gap: 26px;
    align-items: start;
}

.lh-newsrow {
    display: flex;
    gap: 16px;
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 10px;
    padding: 16px 18px;
    margin-bottom: 12px;
}

.lh-newsrow__tag {
    flex: 0 0 auto;
    background: rgba(16, 42, 86, 0.6);
    color: var(--lh-broadcast);
    border-radius: 6px;
    padding: 4px 12px;
    font-size: 13px;
    height: fit-content;
}

.lh-newsrow__title {
    color: #FFFFFF;
    font-size: 16px;
    margin: 0 0 6px;
}

.lh-newsrow__text {
    margin: 0;
    color: var(--lh-muted);
    font-size: 14px;
}

.lh-bulletin {
    background: linear-gradient(180deg, var(--lh-navy), #0C1222);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 20px;
}

.lh-bulletin__title {
    color: #FFFFFF;
    margin: 0 0 12px;
    font-size: 17px;
}

.lh-bulletin__list {
    list-style: none;
    margin: 0 0 16px;
    padding: 0;
}

.lh-bulletin__list li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--lh-line);
    color: #D5DBE7;
    font-size: 14px;
}

.lh-bulletin__img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 10px;
}

.lh-news-cta__box {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 22px 24px;
}

.lh-news-cta__text {
    margin: 0;
    color: #C6CDDB;
}

/* ---- 内页: 帮助服务台(窗口 + 表单 + 快捷问答) ---- */
.lh-windows__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.lh-window {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 22px;
}

.lh-window__dl {
    margin: 0;
}

.lh-window__dl dt {
    color: #FFFFFF;
    font-size: 17px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.lh-window__dl dt i {
    color: #E0455C;
}

.lh-window__dl dd {
    margin: 0;
    color: #C6CDDB;
    font-size: 14px;
}

.lh-form {
    background: #10141F;
}

.lh-form__grid {
    display: grid;
    grid-template-columns: 0.8fr 1.4fr;
    gap: 32px;
    align-items: start;
}

.lh-form__note {
    color: var(--lh-muted);
    margin: 0;
}

.lh-form__box {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.lh-form__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: #C6CDDB;
    font-size: 14px;
}

.lh-form__field input,
.lh-form__field select,
.lh-form__field textarea {
    background: #0C0E14;
    border: 1px solid var(--lh-line);
    border-radius: 8px;
    color: #EDF0F6;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
}

.lh-form__field textarea {
    resize: vertical;
}

.lh-quick__item {
    background: var(--lh-panel);
    border: 1px solid var(--lh-line);
    border-radius: 10px;
    padding: 0 18px;
    margin-bottom: 10px;
}

.lh-quick__item summary {
    color: #FFFFFF;
    cursor: pointer;
    padding: 14px 0;
}

.lh-quick__item p {
    margin: 0;
    padding: 0 0 14px;
    color: #C6CDDB;
    font-size: 14px;
}

.lh-help-status__box {
    background: rgba(122, 27, 43, 0.22);
    border: 1px solid var(--lh-line);
    border-radius: 999px;
    padding: 12px 24px;
    color: var(--lh-broadcast);
    width: fit-content;
    margin: 0 auto;
}

/* ---- 768px 断点: 平板 ---- */
@media (max-width: 768px) {
    .lh-menu-btn {
        display: block;
    }

    .lh-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--lh-navy);
        flex-direction: column;
        padding: 8px 16px 16px;
        border-bottom: 2px solid var(--lh-red);
    }

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

    .lh-hero__grid,
    .lh-feeds__grid,
    .lh-games__grid,
    .lh-mobile__grid,
    .lh-timeline__grid,
    .lh-board__grid,
    .lh-feature__grid,
    .lh-pagehead__grid,
    .lh-form__grid {
        grid-template-columns: 1fr;
    }

    .lh-tiles__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .lh-events__grid {
        grid-template-columns: 1fr;
    }

    .lh-status__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .lh-story__grid {
        grid-template-columns: 1fr;
    }

    .lh-values__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .lh-steps__list {
        grid-template-columns: repeat(2, 1fr);
    }

    .lh-newslist__grid {
        grid-template-columns: 1fr;
    }

    .lh-faq__desk {
        grid-template-columns: 1fr;
    }

    .lh-hero__title {
        font-size: 26px;
    }
}

/* ---- 375px 断点: 手机 ---- */
@media (max-width: 480px) {
    .lh-wrap {
        padding: 0 14px;
    }

    .lh-header__inner {
        padding: 0 14px;
    }

    .lh-section {
        padding: 34px 0;
    }

    .lh-tiles__grid {
        grid-template-columns: 1fr;
    }

    .lh-status__grid,
    .lh-values__grid,
    .lh-steps__list,
    .lh-windows__grid {
        grid-template-columns: 1fr;
    }

    .lh-hero {
        padding: 36px 0 34px;
    }

    .lh-hero__title {
        font-size: 22px;
    }

    .lh-hero__ribbon {
        position: static;
        margin-top: 10px;
    }

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

    .lh-head__title {
        font-size: 22px;
    }

    .lh-final__box {
        padding: 34px 16px;
    }

    .lh-footer__nav {
        flex-direction: column;
        gap: 10px;
    }
}