.body {
    background: #F5F8FD;
}
.content-area h1, h2, h3, h4, h5 {
    margin-bottom: 0;
    margin: 0;
}
#header {
    background: none;
}

hr {
    margin: 24px 0;
}
.head {
    height: 472px;
    padding-top: 68px;
    background: url("../../../img/helpcenter/bg-helpcenter.png") no-repeat center center;
    background-size: cover;
}
.head .search-input>input {
    font-size: 16px;
    color: #98999B;
}
@media screen and (max-width: 480px){
    .head {
        height: 200px;
        padding:0;
        background: url("../../../img/helpcenter/bg-helpcenter-m.png") no-repeat;
        background-size: 100% 100%;
    }
    .head .search-input>input {
        font-size: 14px;
    }
    .headeWrap {
        width: 100% !important;
        margin: 0 !important;
    }
    #content {
        padding: 0;
        background-color: #E5E9F1;
    }
}
.headeWrap {
    display: flex;
    flex-direction: column;
    position: relative;
    width: 1200px;
    margin: 134px auto 147px auto;
}

.head-h1 {
    font-weight: bold;
    font-size: 48px;
    color: #12141D;
    line-height: 64px;
    letter-spacing: 3px;
    height: 64px;
}
.head-c_1, .head-c_2 {
    height: 60px;
}
.head-c_2 {
    margin-top: 62px;
    position: relative;
}
.searchMark {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    display: none;
    z-index: 1;
}
.nav-block {
    display: flex;
    width: 1200px;
    margin: 0 auto;
    justify-content: space-between;
}
.head-c_3 {
    width: 100%;
    border: 1px solid #DDE2E9;
    background-color: rgba(255,255,255,0.4);
    transform: translateY(-45px);
    backdrop-filter: blur(10px);
}
.head-c_3 a {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
    gap: 10px;
    box-sizing: border-box;
    color: var(--color_2);
    cursor: pointer;
}
.head-c_3 a:hover h2{
    color: #2878FF;
}
.head-c_3>.flex-complement {
    width: 0;
}
.head-c_3>a:hover * {
    color: #2878FF!important;
}
@media screen and (min-width: 480px) and (max-width: 768px){
    .head-c_3>a {
        width: 33%;
    }
    .head-c_3>.flex-complement {
        width: 33%;
    }
}
@media screen and (max-width: 480px){
    .head-c_3>a {
        width: 50%;
    }
    .head-c_3>.flex-complement {
        width: 50%;
    }
}
.f-left{
    display: flex;
    align-items: center;
}
.f-left>img {
    width: 48px;
}
@media screen and (max-width: 480px){
    .f-left>img {
        width: 38px;
    }
}
.f-right {
    display: flex;
    flex-direction: column;
    align-items: start;
}
.f-right>h2 {
    font-size: 20px;
    font-weight: 500;
}
.f-right>span {
    color: #828282;
    font-size: 12px;
}
@media screen and (max-width: 480px){
    .f-right>h2 {
        font-size: 16px;
    }
}
.ornament {
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    box-sizing: border-box;
    padding: 10px 0;
    background: rgba(86, 204, 242, 0.1);
    border-radius: 20px;
}
@media screen and (max-width: 1200px){
    .ornament {
        display: none;
    }
}
.ornament>span {
    width: 70%;
    height: 10px;
    border-radius: 20px;
    /*background-color: var(--color-white);*/
    background-color: rgba(255, 255, 255, 0.9);
}
.ornament_1 {
    top:93px;
    left:195px;
    width: 83px;
    height: 104px;
    /*mix-blend-mode: multiply;*/
}
.ornament_2 {
    top: 85px;
    left: 930px;
    width: 75px;
    height: 114px;
}
.ornament_3 {
    top: 30px;
    left: 1100px;
    width: 114px;
    height: 166px;
}
.ornament_3>span {
    height: 12px;
}
.ornament_4 {
    top: 10px;
    left: 1130px;
    width: 114px;
    height: 140px;
    /*mix-blend-mode: multiply;*/
}

.main {
    width: 1200px;
    margin: 90px auto 0 auto;
}

.main>div {
    margin-bottom: 60px;
}
.haWrap {
    border: 1px solid #EDF1F6;
    color: var(--color_2);
    border-radius: 4px;
    box-shadow: 0px 4px 4px 0px rgba(145,166,190,0.1);
}
.ha_title {
    display: flex;
    align-items: center;
    margin-bottom: 26px;
}
.ha_title>img {
    width: 40px;
}
.ha_title>h3 {
    margin: 0;
    margin-left: 5px;
    font-weight: bold;
    font-size: 24px;
    color: #12141D;
    line-height: 28px;
    height: 28px;
}
.ha_content {
    flex-wrap: wrap;
    padding: 42px 48px;
    row-gap: 30px;
    background: #ffffff;
    border-radius: 4px;
}
.hc-content_a {
    font-size: 16px;
    color: #6B6D70;
    line-height: 19px;
    height: 19px;
    border-radius: 2px;
    position: relative;
    white-space: nowrap;
}
.hot_article .hc-content_a.hot-article-item {
    overflow: visible;
}

.hot_article .hc-content_a.hot-article-item > .hot-article-text {
    display: inline-block;
    position: relative;
    padding-right: 46px;
}

.hot_article .hc-content_a.hot-article-item > .hot-article-text > .hc-hot-badge {
    position: absolute;
    right: 0;
    top: -10px;
    width: 42px;
    height: 26px;
}
.es_content .hc-content_a {
    font-size: 14px;
    line-height: 16px;
    height: 16px;
}
.es_content .fl_content {
    row-gap: 16px;
}
.ug_content .hc-content_a {
    font-size: 14px;
    line-height: 16px;
    height: 16px;
}
.ug_content .fl_content {
    row-gap: 16px;
}
.hc-content_a:hover {
    /*background-color: rgba(244, 245, 245, .8);*/
    color: #2878FF;
}
.ha_content>a {
    width: 25%;
}
@media screen and (max-width: 768px){
    .ha_content>a {
        width: 50%;
    }
}
@media screen and (max-width: 480px){
    .ha_content { border-radius: 4px;padding: 24px 32px; row-gap: 6px}
    .hc-content_a {
        padding-right: 0;
    }
    .ha_content>a {
        width: 100%;
    }
}
.es_title, .ug_title {
    align-items: center;
    margin-bottom: 26px;
}
.es_title>h2, .ug_title>h2 {
    font-size: 24px;
    margin: 0;
    margin-left: 5px;
}
.es_title>img, .ug_title>img {
    width: 40px;
    height: 40px;
}
.main-content {
    padding: 42px 50px;
    border: 1px solid #EDF1F6;
    border-radius: 5px;
    background: #ffffff;
}

@media screen and (max-width: 480px){
    .main-content>div {
        flex-direction: column;
    }
}
.fl_title {
    box-sizing: border-box;
    width: 166px;
    cursor: default;
}
.fl_content {
    flex: 1;
    flex-wrap: wrap;
    row-gap: 30px;
}
.fl_content>a {
    box-sizing: border-box;
    /*color: #2878FF;*/
    width: 20%;
}
.flex-x {
    align-items: center;
}
@media screen and (max-width: 768px){
    .fl_content>a {
        width: 33%;
    }
}
@media screen and (max-width: 480px){
    .fl_content>a {
        width: 50%;
    }
}

/* 顶部不同于正式文档的顶部 */
.search-inputWrap {
    width: 588px;
}
@media screen and (max-width: 650px){
    .search-inputWrap {
        width: calc(100vw - 20px);
        height: 32px;
    }
}
@media screen and (max-width: 480px){
    .hot_article .hc-content_a.hot-article-item > .hot-article-text {
        padding-right: 40px;
    }

    .hot_article .hc-content_a.hot-article-item > .hot-article-text > .hc-hot-badge {
        top: -7px;
        width: 36px;
        height: 22px;
    }
}
@media screen and (max-width: 480px){
    .head-h1 {
        font-size: 20px;
        color: #12141D;
        line-height: 28px;
        letter-spacing: 2px;
    }
    .head-c_1 { margin-bottom: 0; margin-top:68px; padding: 0 24px}
    .head-c_2 {
        margin: 68px auto 20px auto;
    }
    .head-c_2 .search-inputRight{
        height: 32px;
        font-size: 12px;
    }
    .search-a {
        font-size: 12px;
    }
    .head-c_3 {
        transform: translateY(45px);
    }
    .searchMark {
        display: block;
    }
    .nav-block {
        width: 100%;
        gap: 32px;
        justify-content: center;
    }
    .head-c_3 a {
        flex-direction: column;
        width: initial;
        gap: 2px;
        height: 60px;
    }
    .f-left>img {
        width: 20px;
        height: 20px;
    }
    .f-right>h2 {
        font-size: 12px;
        color: #12141D;
        line-height: 14px;
    }
    .main {
        margin: 0;
        width: 100%;
        background: #F5F8FD;
    }
    .main>div {
        padding: 60px 24px 0 24px;
        margin-bottom: 0;
    }
    .ha_title>img {
        width: 20px;
    }
    .ha_title>h3 {
        font-size: 12px;
        color: #12141D;
        line-height: 18px;
        height: 18px;
    }
    .hot_article .before-·::before {
        font-size: 22px;
    }
    .hc-content_a {
        font-size: 10px;
    }
    .ha_title {
        margin-bottom: 16px;
    }
    .main .entry_see {
        padding: 16px 24px 0 16px;
    }
    .es_title>img, .ug_title>img {
        width: 20px;
        height: 20px;
    }
    .es_title>h2, .ug_title>h2 {
        font-size: 12px;
        color: #12141D;
        line-height: 18px;
        height: 18px;
    }
    .main-content {
        padding: 16px;
    }
    .fl_title {
        text-align: left;
        margin-bottom: 8px;
    }
    .fl_title h3 {
        font-size: 11px;
    }
    .flex-x {
        align-items: flex-start;
    }
    .es_content .fl_content {
        row-gap: 4px;
    }
    .es_content .hc-content_a {
        font-size: 10px;
    }
    .ug_content .hc-content_a {
        font-size: 10px;
    }
    .es_title, .ug_title {
        margin-bottom: 16px;
    }
    .main .using_guide {
        padding-top: 16px;
    }
    .head .search-input>input {
        font-size: 10px;
    }
    .head-c_1, .head-c_2 {
        height: 32px;
    }
}

.hc-landing {
    background: #ffffff;
    color: #1d293d;
    overflow: hidden;
}

.hc-container {
    width: min(1200px, calc(100vw - 48px));
    margin: 0 auto;
}

.hc-hero {
    padding: 152px 0 0;
    background: url("../../../img/helpcenter/v4/hero-bg.jpg") no-repeat center top;
    background-size: cover;
}

.hc-hero .searchMark {
    display: none;
}

.hc-hero-badge {
    width: fit-content;
    margin: 0 auto 22px;
    padding: 4px 12px;
    border: 1px solid rgba(190, 211, 244, 0.9);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.75);
    color: #7c8ca3;
    font-size: 12px;
    line-height: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hc-hero-badge-icon {
    width: 14px;
    height: 14px;
    display: block;
    flex-shrink: 0;
}

.hc-hero-title {
    margin: 0;
    text-align: center;
    font-size: 36px;
    line-height: 50px;
    font-weight: 700;
    letter-spacing: 0;
    color: #12141d;
}

.hc-hero-subtitle {
    margin: 14px 0 0;
    text-align: center;
    font-size: 14px;
    line-height: 20px;
    color: #6b6d70;
}

.hc-hero-search {
    width: min(800px, 100%);
    margin: 48px auto 0;
    position: relative;
    z-index: 1;
}

.hc-landing .search-inputWrap {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 64px;
    padding: 8px;
    padding-left: 8px;
    border-radius: 8px;
    border: 1px solid #dae3f5;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 8px 24px rgba(126, 157, 204, 0.1);
    backdrop-filter: blur(12px);
}

.hc-landing .search-inputWrap.active {
    z-index: 4;
}

.hc-landing .search-input {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    flex: 1;
    padding-left: 16px;
    border-radius: 6px;
    background: transparent;
}

.hc-landing .search-input::before {
    content: "";
    width: 20px;
    height: 20px;
    flex: none;
    margin-right: 12px;
    background: url("../../../img/helpcenter/v3/icon-search-figma.svg") no-repeat center center;
    background-size: 20px 20px;
    opacity: 0.45;
    filter: grayscale(1) brightness(1.05);
}

.hc-landing .search-input > input {
    width: 100%;
    padding-left: 0;
    font-size: 14px;
    line-height: 22px;
    height: 22px;
    color: #1d293d;
}

.hc-landing .search-input > input::placeholder {
    color: #c0c6d4;
}

.hc-landing .search-inputRight {
    flex: none;
    width: 100px;
    height: 48px;
    padding: 0;
    margin-right: 0;
    border-radius: 6px;
    background: linear-gradient(180deg, #4f96ff 0%, #337ff8 100%);
    box-shadow: none;
}

.hc-landing .search-a {
    display: block;
    width: auto;
    font-size: 16px;
    font-weight: 500;
    line-height: 20px;
    text-align: center;
    text-align-last: auto;
    color: #fff;
}

.hc-landing .input-cancel-button {
    right: 12px;
}

.hc-landing .searchResultWrap {
    top: calc(100% + 10px);
    left: 0;
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 22px 60px rgba(31, 75, 140, 0.18);
}

.hc-hot {
    width: min(800px, 100%);
    min-height: 88px;
    margin: 24px auto 0;
}

.hc-hot-label {
    margin-bottom: 16px;
    font-size: 12px;
    line-height: 20px;
    color: #adb6c7;
    width: auto;
}

.hc-hot-panel {
    display: flex;
    align-items: center;
    gap: 24px;
}

.hc-hot-viewport {
    position: relative;
    flex: none;
    width: 732px;
    min-height: 36px;
}

.hc-hot[data-state="collapsed"] .hc-hot-viewport {
    height: 36px;
}

.hc-hot-page {
    display: flex;
    flex-wrap: nowrap;
    gap: 24px;
}

.hc-hot[data-state="collapsed"] .hc-hot-page {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity .32s ease, transform .32s ease;
}

.hc-hot[data-state="collapsed"] .hc-hot-page.is-active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.hc-hot[data-state="expanded"] .hc-hot-page {
    position: static;
    opacity: 1;
    pointer-events: auto;
    transform: none;
}

.hc-hot[data-state="expanded"] .hc-hot-viewport {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hc-hot-chip {
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    flex: none;
    height: 36px;
    min-height: 36px;
    padding: 8px 12px;
    border-radius: 999px;
    background: #ebf1fa;
    color: #7d848f;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0;
    line-height: 20px;
    white-space: nowrap;
    overflow: hidden;
    transition: background-color .2s ease, color .2s ease;
}

.hc-hot-chip > span:first-child {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hc-hot-chip:hover {
    color: #2878ff;
    background: rgba(40, 120, 255, 0.12);
}

.hc-hot-chip.is-emphasis {
    background: #e9f1ff;
    color: #2878ff;
}

.hc-hot-chip-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 14px;
    padding: 0 3px;
    border-radius: 6px;
    background: linear-gradient(180deg, #ff7f7b 0%, #ff5f73 100%);
    color: #fff;
    font-size: 9px;
    line-height: 14px;
    font-weight: 700;
}

.hc-hot-chip-top-1 { width: 190px; }
.hc-hot-chip-top-2 { width: 156px; }
.hc-hot-chip-top-3 { width: 158px; }
.hc-hot-chip-top-4 { width: 156px; }

.hc-hot-chip-bottom-1 { width: 156px; }
.hc-hot-chip-bottom-2 { width: 158px; }
.hc-hot-chip-bottom-3 { width: 134px; }
.hc-hot-chip-bottom-4 { width: 224px; }

.hc-hot-toggle {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #7e8ca0;
    transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.hc-hot-toggle-mobile {
    display: none;
}

.hc-hot-toggle:hover {
    background: rgba(40, 120, 255, 0.12);
    color: #2878ff;
}

.hc-hot-toggle-icon {
    font-size: 12px;
    line-height: 1;
    transition: transform .2s ease;
    margin-right: 0;
    margin-top: 4px;
}

.hc-hot[data-state="expanded"] .hc-hot-toggle {
    background: rgba(40, 120, 255, 0.12);
    color: #2878ff;
}

.hc-hot[data-state="expanded"] .hc-hot-toggle-icon {
    transform: rotate(180deg);
    margin-top: -4px;
}

.hc-section {
    padding-bottom: 86px;
}

.hc-card-section {
    margin-top: 100px;
    padding-bottom: 120px;
}

.hc-card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.hc-feature-card {
    box-sizing: border-box;
    position: relative;
    height: 230px;
    min-height: 230px;
    padding: 30px;
    border: 1px solid #dae3f5;
    border-radius: 8px;
    background: #fff;
    box-shadow: none;
    overflow: hidden;
    transition: border-color .22s ease, box-shadow .22s ease;
}

.hc-feature-card:hover {
    border-color: #c8d7f2;
    box-shadow: 0 10px 24px rgba(112, 140, 184, 0.08);
}

.hc-feature-card-wide {
    grid-column: span 2;
    box-sizing: border-box;
    height: 140px;
    min-height: 140px;
}

.hc-feature-card-copy {
    position: relative;
    z-index: 0;
}

.hc-feature-card-copy h2 {
    margin: 0;
    font-size: 24px;
    line-height: 28px;
    font-weight: 600;
    color: #12141d;
    letter-spacing: -0.01em;
}

.hc-feature-card-copy p {
    margin: 9px 0 0;
    font-size: 14px;
    line-height: 20px;
    color: #6b6d70;
}

.hc-feature-card-media {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hc-card-illustration {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 282px;
    height: 140px;
    object-fit: contain;
    object-position: center bottom;
    max-width: none;
}

.hc-card-illustration-wide {
    left: auto;
    right: 0;
    top: 0;
    bottom: auto;
    width: 310px;
    height: 140px;
    object-position: right center;
}

.hc-faq-section {
    padding-bottom: 0;
}

.hc-section-title {
    margin: 0 0 80px;
    text-align: center;
    font-size: 36px;
    line-height: 54px;
    color: #12141d;
    font-weight: 500;
    letter-spacing: 0;
}

.hc-faq-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.hc-faq-card {
    min-height: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 20px;
    border-radius: 8px;
    background: #f5f8fd;
    border: 1px solid transparent;
    color: #12141d;
    font-size: 16px;
    line-height: 22px;
    transition: box-shadow .2s ease, border-color .2s ease, color .2s ease;
}

.hc-faq-card .hc-faq-icon {
    width: 24px;
    height: 24px;
    flex: none;
    display: block;
    background: var(--faq-icon-default) no-repeat center / 24px 24px;
    transition: background-image .2s ease;
}

.hc-faq-card:hover,
.hc-faq-card.is-active {
    color: #2878ff;
    box-shadow: none;
}

.hc-faq-card:hover .hc-faq-icon,
.hc-faq-card.is-active .hc-faq-icon {
    background-image: var(--faq-icon-active);
}
.hot {
    position: absolute;
    left: 140px;
}
@media screen and (max-width: 1280px) {
    .hc-card-grid,
    .hc-faq-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hc-feature-card-wide {
        grid-column: span 1;
    }
}

@media screen and (max-width: 767px) {
    .hc-container {
        width: calc(100vw - 48px);
    }

    .hc-hero {
        padding: 40px 0 0;
        background-position: center top;
        background-size: cover;
    }

    .hc-hero-badge {
        margin: 0 auto 14px;
        padding: 4px 10px;
        font-size: 10px;
        line-height: 14px;
    }

    .hc-hero-badge-icon {
        width: 12px;
        height: 12px;
    }

    .hc-hero-title {
        font-size: 20px;
        line-height: 28px;
        letter-spacing: 2px;
    }

    .hc-hero-subtitle {
        margin-top: 6px;
        font-size: 12px;
        line-height: 17px;
    }

    .hc-hero-search {
        width: 100%;
        margin-top: 24px;
    }

    .hc-hero .searchMark {
        display: block;
    }

    .hc-landing .search-inputWrap {
        height: 42px;
        padding: 5px 6px 5px 0;
        border: none;
        border-radius: 4px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        backdrop-filter: none;
    }

    .hc-landing .search-input {
        padding-left: 12px;
    }

    .hc-landing .search-input::before {
        width: 18px;
        height: 18px;
        margin-right: 8px;
        background-size: 18px 18px;
        opacity: 0.38;
    }

    .hc-landing .search-input > input,
    .hc-landing .search-input > input::placeholder {
        font-size: 12px;
        line-height: 18px;
    }

    .hc-landing .search-inputRight {
        width: 60px;
        height: 30px;
        border-radius: 4px;
        background: #2878ff;
    }

    .hc-landing .search-a {
        font-size: 12px;
        line-height: 18px;
    }

    .hc-hot {
        width: 100%;
        min-height: 0;
        margin-top: 16px;
    }

    .hc-hot-label {
        display: none;
    }

    .hc-hot-panel {
        width: 100%;
        gap: 10px;
    }

    .hc-hot-viewport {
        width: 100%;
        height: auto !important;
        min-height: 0;
    }

    .hc-hot[data-state="collapsed"] .hc-hot-viewport {
        height: auto;
    }

    .hc-hot[data-state="collapsed"] .hc-hot-page {
        display: none;
    }

    .hc-hot[data-state="collapsed"] .hc-hot-page.is-active {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 12px 6px;
        opacity: 1;
        pointer-events: auto;
        transform: none;
    }

    .hc-hot[data-state="collapsed"] .hc-hot-page.is-active .hc-hot-chip:nth-child(n+4) {
        display: none;
    }

    .hc-hot[data-state="collapsed"] > .hc-hot-panel > .hc-hot-toggle {
        display: none;
    }

    .hc-hot[data-state="collapsed"] .hc-hot-page.is-active .hc-hot-toggle-mobile {
        display: inline-flex;
    }

    .hc-hot[data-state="expanded"] .hc-hot-panel {
        flex-direction: column;
        align-items: flex-start;
    }

    .hc-hot[data-state="expanded"] .hc-hot-viewport {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .hc-hot[data-state="expanded"] .hc-hot-page {
        display: flex;
        flex-wrap: wrap;
        gap: 14px 8px;
    }

    .hc-hot-chip,
    .hc-hot-chip-top-1,
    .hc-hot-chip-top-2,
    .hc-hot-chip-top-3,
    .hc-hot-chip-top-4,
    .hc-hot-chip-bottom-1,
    .hc-hot-chip-bottom-2,
    .hc-hot-chip-bottom-3,
    .hc-hot-chip-bottom-4 {
        width: auto;
        max-width: 100%;
        height: 30px;
        min-height: 30px;
        padding: 6px 8px;
        font-size: 11px;
        line-height: 16px;
        white-space: nowrap;
    }

    .hc-hot-toggle {
        width: 24px;
        height: 24px;
        margin: 0;
        border: none;
        background: transparent;
        flex: none;
    }

    .hc-hot-toggle-mobile {
        display: none;
    }

    .hc-hot-toggle:hover {
        background: rgba(40, 120, 255, 0.12);
    }

    .hc-hot-toggle-icon {
        font-size: 10px;
    }

    .hc-section {
        padding-bottom: 48px;
    }

    .hc-card-section {
        margin-top: 24px;
        padding-bottom: 56px;
    }

    .hc-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .bottom_bar.media-m {
        display: none;
    }

    .hc-feature-card {
        height: 158px;
        min-height: 158px;
        padding: 10px;
        border-radius: 4px;
    }

    .hc-feature-card-wide {
        grid-column: span 2;
        height: 78px;
        min-height: 78px;
    }

    .hc-feature-card-copy h2 {
        font-size: 16px;
        line-height: 22px;
        font-weight: 500;
    }

    .hc-feature-card-copy p {
        margin-top: 3px;
        font-size: 12px;
        line-height: 17px;
    }

    .hc-card-illustration {
        width: 100%;
        height: 78px;
        object-fit: cover;
        object-position: center center;
    }

    .hc-card-illustration-wide {
        width: 174px;
        height: 78px;
        right: -1px;
        top: 0;
        object-fit: cover;
        object-position: right center;
    }

    .hc-faq-section {
        padding-bottom: 24px;
    }

    .hc-section-title {
        margin-bottom: 26px;
        font-size: 20px;
        line-height: 28px;
        font-weight: 500;
    }

    .hc-faq-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 24px 21px;
        margin-bottom: 0;
    }

    .hc-faq-card {
        min-height: 0;
        height: auto;
        padding: 0;
        border: none;
        border-radius: 0;
        background: transparent;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 10px;
        font-size: 12px;
        line-height: 17px;
        box-shadow: none;
        text-align: center;
    }

    .hc-faq-card .hc-faq-icon {
        width: 36px;
        height: 36px;
        border-radius: 4px;
        background-color: #f5f8fd;
        background-image: var(--faq-icon-default);
        background-repeat: no-repeat;
        background-position: center;
        background-size: 20px 20px;
        transition: background-image .2s ease;
    }

    .hc-faq-card:first-child {
        color: #2878ff;
    }

    .hc-faq-card:first-child .hc-faq-icon,
    .hc-faq-card:hover .hc-faq-icon,
    .hc-faq-card.is-active .hc-faq-icon {
        background-image: var(--faq-icon-active);
    }
}

/* AI 化设计：桌面首行四张入口，次行 API、SDK 和 CLI 三张入口。 */
@media (min-width: 1281px) {
 .hc-card-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
 .hc-feature-card { grid-column: span 3; }
 .hc-feature-card-wide { grid-column: span 4; height: 230px; min-height: 230px; }
 .hc-card-illustration-wide { left: 50%; right: auto; top: auto; bottom: 0; transform: translateX(-50%); width: 264px; height: 140px; object-position: center bottom; }
}
@media (min-width: 768px) and (max-width: 1280px) { .card-cli { grid-column: 1 / -1; } }