/* ==========================================================================
   HST Theme - Custom Layout Styles
   ========================================================================== */

/* --- Brand Colors ---
   Red: #e60012
   Dark: #111
   Light Gray: #f5f5f5
   Text: #333
   Subtitle: #666
*/

/* --- 4-Column Grid: First Item Red Background --- */
.block-1-red-bg .wp-block-column:first-child {
    background-color: #e60012;
    color: #fff;
    padding: 30px;
    border-radius: 4px;
}

.block-1-red-bg .wp-block-column:first-child h3,
.block-1-red-bg .wp-block-column:first-child p {
    color: #fff;
}

/* --- 8 Advantage Cards Hover Effect --- */
.advantage-card {
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #eee;
    padding: 20px;
    border-radius: 4px;
    background: #fff;
    text-align: center;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.advantage-card.advantage-card-red {
    background-color: #e60012;
    color: #fff;
}

.advantage-card.advantage-card-red h3,
.advantage-card.advantage-card-red p {
    color: #fff;
}

/* --- Business Circle (Radial) Layout --- */
.business-circle-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
    width: 100%;
    min-height: 400px;
}

.business-center-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: #e60012;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: bold;
    font-size: var(--hst-font-card-title);
    z-index: 10;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.business-center-circle.gray {
    background: #333;
}

.business-item {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 280px;
    margin-left: -140px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: var(--hst-font-body-sm);
}

.bp1 {
    transform: rotate(-90deg) translateX(220px) rotate(90deg);
}

.bp2 {
    transform: rotate(-30deg) translateX(220px) rotate(30deg);
}

.bp3 {
    transform: rotate(30deg) translateX(220px) rotate(-30deg);
}

.bp4 {
    transform: rotate(90deg) translateX(220px) rotate(-90deg);
}

.bp5 {
    transform: rotate(150deg) translateX(220px) rotate(-150deg);
}

.bp6 {
    transform: rotate(210deg) translateX(220px) rotate(-210deg);
}

/* --- Breadcrumbs --- */
.hst-breadcrumbs {
    width: min(var(--hst-container-width), calc(100% - (var(--hst-container-gutter) * 2)));
    max-width: var(--hst-container-width);
    margin: 0 auto;
    padding: 18px 0;
    box-sizing: border-box;
    color: #777;
    font-size: 13px;
    line-height: 1.6;
}

.hst-breadcrumbs__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.hst-breadcrumbs__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hst-breadcrumbs__item:not(:last-child)::after {
    content: "/";
    color: #bbb;
}

.hst-breadcrumbs a {
    color: #666;
    text-decoration: none !important;
    transition: color 0.2s ease;
}

.hst-breadcrumbs a:hover,
.hst-breadcrumbs a:focus {
    color: #e60012;
}

.hst-breadcrumbs__item:last-child {
    color: #333;
    font-weight: 600;
}

.hst-home-main + .hst-breadcrumbs,
body.home .hst-breadcrumbs,
body.hst-language-home .hst-breadcrumbs {
    display: none;
}

/* --- Shared Figma Header/Footer --- */
.hst-about-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    height: 72px;
    background: #fff;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

body.admin-bar .hst-about-header {
    top: 32px;
}

body:not(.home):not(.hst-language-home):not(.hst-about-page):not(.hst-products-page):not(.hst-service-page) #content {
    padding-top: 72px;
}

body.hst-about-page .hst-breadcrumbs,
body.hst-products-page .hst-breadcrumbs,
body.hst-service-page .hst-breadcrumbs {
    margin-top: 15px;
    padding-top: 0;
}

body.admin-bar.hst-about-page .hst-breadcrumbs,
body.admin-bar.hst-products-page .hst-breadcrumbs,
body.admin-bar.hst-service-page .hst-breadcrumbs {
    margin-top: 15px;
}

body.hst-legal-page .hst-breadcrumbs {
    width: 100%;
    max-width: none;
    padding-right: 0;
    padding-left: 0;
}

.hst-about-header__inner {
    width: min(var(--hst-container-width), calc(100% - (var(--hst-container-gutter) * 2)));
    max-width: var(--hst-container-width);
    height: 72px;
    margin: 0 auto;
    padding: 0;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    gap: 24px;
    position: relative;
}

.hst-about-logo {
    display: inline-flex;
    align-items: center;
    line-height: 1;
    text-decoration: none !important;
    white-space: nowrap;
}

.hst-about-logo img {
    display: block;
    height: 36px;
    width: auto;
}

.hst-about-logo-tagline {
    max-width: 118px;
    margin-left: 0;
    padding-left: 16px;
    color: #555;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.25;
    text-transform: uppercase;
}

.hst-about-nav {
    flex: 1;
    display: flex;
    justify-content: flex-start;
    align-items: stretch;
    height: 72px;
}

/* 桌面端：移动端专用顶栏/关闭按钮隐藏；滚动区作为横向 flex 容器承载菜单项 */
.hst-mobile-nav-bar,
.hst-mobile-nav-close {
    display: none !important;
}
.hst-mobile-nav-scroll {
    display: flex;
    justify-content: flex-start;
    align-items: stretch;
    flex: 1 1 auto;
    height: 72px;
}

.hst-about-nav > a,
.hst-mobile-nav-scroll > a,
.hst-about-nav-item > a {
    min-width: 0;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333 !important;
    font-size: var(--hst-font-body-sm);
    line-height: 1.15;
    white-space: nowrap;
    text-decoration: none !important;
    transition: 0.25s ease;
}

.hst-about-nav > a.is-active,
.hst-mobile-nav-scroll > a.is-active,
.hst-about-nav-item > a.is-active {
    color: #fff !important;
    background: rgba(223, 6, 21, 0.3);
}

.hst-about-nav > a:hover,
.hst-mobile-nav-scroll > a:hover,
.hst-about-nav > a.is-active:hover,
.hst-mobile-nav-scroll > a.is-active:hover,
.hst-about-nav-item:hover > a,
.hst-about-nav-item:focus-within > a {
    color: #fff !important;
    background: #e60012;
}

.hst-about-nav-item {
    position: relative;
    display: flex;
    align-items: stretch;
}

.hst-about-submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 168px;
    margin: 0;
    padding: 8px 0;
    list-style: none;
    background: #fff;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

.hst-about-submenu li {
    position: relative;
}

.hst-about-nav-item:hover > .hst-about-submenu,
.hst-about-nav-item:focus-within > .hst-about-submenu,
.hst-about-submenu li:hover > .hst-about-submenu--nested,
.hst-about-submenu li:focus-within > .hst-about-submenu--nested {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.hst-about-submenu--nested {
    top: -8px;
    left: 100%;
    transform: translateX(-8px);
}

.hst-about-submenu li:hover > .hst-about-submenu--nested,
.hst-about-submenu li:focus-within > .hst-about-submenu--nested {
    transform: translateX(0);
}

.hst-about-submenu a {
    display: block;
    padding: 12px 18px;
    color: #333 !important;
    font-size: var(--hst-font-body-sm);
    line-height: 1.35;
    white-space: nowrap;
    text-decoration: none !important;
}

.hst-about-nav-item-products .hst-about-submenu li.has-children > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.hst-about-submenu-toggle {
    display: none;
}

.hst-about-nav-item-products .hst-about-submenu li.has-children > a::after {
    content: "";
    width: 8px;
    height: 8px;
    flex: 0 0 auto;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(-45deg);
}

.hst-about-nav-item-products .hst-about-submenu li.has-children:hover > a::after,
.hst-about-nav-item-products .hst-about-submenu li.has-children:focus-within > a::after {
    transform: rotate(-45deg) translateX(2px);
}

.hst-about-nav-item-products .hst-about-submenu li.is-product > a {
    color: #555 !important;
    font-size: 13px;
}

.hst-about-submenu a:hover,
.hst-about-submenu a:focus {
    color: #fff !important;
    background: #e60012;
}

.hst-about-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-left: 0;
    position: relative;
}

.hst-about-search-wrap {
    width: 220px;
    height: 38px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: stretch;
}

@media (max-width: 1180px) and (min-width: 769px) {
    .hst-about-header__inner {
        width: min(var(--hst-container-width), calc(100% - (var(--hst-container-gutter) * 2)));
        padding: 0;
        gap: 14px;
    }

    .hst-about-logo img {
        height: 32px;
    }

    .hst-about-logo-tagline {
        display: none;
    }

    .hst-about-nav > a,
    .hst-mobile-nav-scroll > a,
    .hst-about-nav-item > a {
        padding: 0 9px;
        font-size: 13px;
    }

    .hst-about-search-wrap {
        width: 180px;
    }
}

@media (max-width: 980px) and (min-width: 769px) {
    .hst-about-header__inner {
        gap: 10px;
    }

    .hst-about-nav > a,
    .hst-mobile-nav-scroll > a,
    .hst-about-nav-item > a {
        padding: 0 7px;
        font-size: 12.5px;
    }

    .hst-about-search-wrap {
        width: 150px;
    }
}

.hst-about-search-form {
    width: 100%;
    height: 38px;
    display: flex;
    align-items: stretch;
    border: 1px solid #eceff3;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(18, 34, 66, 0.06);
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.hst-about-search-form:focus-within {
    border-color: #e60012;
    box-shadow: 0 3px 10px rgba(230, 0, 18, 0.12);
}

.hst-about-search-form input {
    width: 100%;
    min-width: 0;
    height: 100%;
    padding: 0 14px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #333;
    font-size: var(--hst-font-body-sm);
    outline: none;
    box-sizing: border-box;
}

.hst-about-search-form input::placeholder {
    color: #a9b0ba;
    opacity: 1;
}

.hst-about-search-submit,
.hst-about-language-toggle {
    padding: 0;
    border: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.hst-about-search-submit {
    flex: 0 0 48px;
    height: 100%;
    border-radius: 0 9px 9px 0;
    background: #df0615;
    color: #fff;
    opacity: 0.3;
    transition: background-color 0.2s ease;
}

.hst-about-search-submit:hover,
.hst-about-search-submit:focus {
    background: #e60012;
    opacity: 1;
}

.hst-about-search-submit svg {
    display: block;
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.hst-about-language-toggle {
    min-width: 72px;
    height: 38px;
    padding: 0 10px;
    border: 0;
    border-radius: 9px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(18, 34, 66, 0.05);
    transition: box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

/* Legacy open-state selectors are kept harmless for cached markup. */
.hst-about-search-wrap.is-open .hst-about-search-form {
    opacity: 1;
    pointer-events: auto;
}

.hst-about-language-wrap,
.hst-about-language-menu,
.hst-about-language-menu li {
    margin: 0;
    padding: 0;
    list-style: none;
}

.hst-about-language-wrap {
    position: relative;
}

.hst-about-language-toggle {
    gap: 6px;
}

.hst-about-language-toggle:hover,
.hst-about-language-toggle:focus {
    background: rgba(230, 0, 18, 0.04);
    box-shadow: 0 4px 12px rgba(230, 0, 18, 0.14);
}

.hst-about-language-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 24px;
    font-size: 24px;
    line-height: 1;
}

.hst-about-language-code {
    color: #222;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0;
}

.hst-about-language-toggle:hover .hst-about-language-code,
.hst-about-language-toggle:focus .hst-about-language-code {
    color: #e60012;
}

.hst-about-language-arrow {
    width: 6px;
    height: 6px;
    margin-top: -4px;
    border-right: 2px solid #212121;
    border-bottom: 2px solid #212121;
    transform: rotate(45deg);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.hst-about-language-toggle:hover .hst-about-language-arrow,
.hst-about-language-toggle:focus .hst-about-language-arrow {
    border-color: #e60012;
}

.hst-about-language-wrap.is-open .hst-about-language-arrow {
    margin-top: 4px;
    transform: rotate(225deg);
}

.hst-about-language-menu {
    position: absolute;
    top: calc(100% + 18px);
    right: 0;
    min-width: 132px;
    padding: 8px 0;
    background: #fff;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: 0.2s ease;
}

.hst-about-language-wrap.is-open .hst-about-language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.hst-about-language-menu a {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    width: 100%;
    height: 38px;
    padding: 0 14px;
    color: #333 !important;
    font-size: var(--hst-font-body-sm);
    text-decoration: none !important;
    box-sizing: border-box;
}

.hst-about-language-menu a:hover,
.hst-about-language-menu a.active {
    color: #fff !important;
    background: #e60012;
}

.hst-about-mobile-language {
    display: none;
}

.hst-about-mobile-language-wrap {
    display: none;
}

.hst-about-menu {
    display: none;
}

.hst-about-footer {
    background: linear-gradient(135deg, #151515 0%, #242424 100%);
    color: #fff;
    padding: 72px 0 0;
}

.hst-about-footer__inner {
    width: min(var(--hst-container-width), calc(100% - (var(--hst-container-gutter) * 2)));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 0.65fr 0.8fr 0.85fr 0.7fr;
    gap: 54px;
}

.hst-about-footer h3 {
    margin: 0 0 24px;
    color: #fff;
    font-size: var(--hst-font-body-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.hst-about-footer p,
.hst-about-footer a {
    display: block;
    margin: 0 0 14px;
    color: rgba(255,255,255,0.8) !important;
    font-size: var(--hst-font-caption);
    line-height: 1.7;
    text-decoration: none !important;
}

.hst-footer-brand {
    max-width: 310px;
}

.hst-about-footer .hst-footer-logo {
    display: inline-flex;
    align-items: center;
    margin-bottom: 24px !important;
    line-height: 1;
}

.hst-about-footer .hst-footer-logo img {
    display: block;
    width: 160px;
    max-width: 100%;
    height: auto;
}

.hst-footer-brand p {
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.72) !important;
}

.hst-footer-whatsapp {
    display: inline-flex !important;
    width: fit-content;
    padding: 8px 14px;
    border: 1px solid rgba(230, 0, 18, 0.72);
    color: #fff !important;
    background: rgba(230, 0, 18, 0.12);
}

.hst-footer-whatsapp:hover {
    background: #e60012;
}

.hst-footer-nav a,
.hst-footer-services a,
.hst-footer-contact a,
.hst-footer-bottom-bar a {
    transition: color 0.2s ease, transform 0.2s ease;
}

.hst-footer-nav a:hover,
.hst-footer-nav a:focus,
.hst-footer-nav a:active,
.hst-footer-services a:hover,
.hst-footer-services a:focus,
.hst-footer-services a:active,
.hst-footer-contact a:hover,
.hst-footer-contact a:focus,
.hst-footer-contact a:active,
.hst-footer-bottom-bar a:hover,
.hst-footer-bottom-bar a:focus,
.hst-footer-bottom-bar a:active {
    color: #e60012 !important;
    transform: translateX(3px);
}

.hst-footer-contact-title {
    display: block !important;
    margin: 0 !important;
    color: #fff !important;
    font-size: inherit !important;
    font-weight: inherit;
    line-height: inherit;
    text-decoration: none !important;
    transition: color 0.2s ease, transform 0.2s ease;
}

.hst-footer-contact-title:hover,
.hst-footer-contact-title:focus,
.hst-footer-contact-title:active {
    color: #e60012 !important;
    transform: translateX(3px);
}

.hst-footer-contact p {
    color: rgba(255, 255, 255, 0.72) !important;
}

.hst-footer-socials {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 18px;
}

.hst-footer-socials a,
.hst-footer-social-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 41px;
    height: 41px;
    margin: 0 !important;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 50%;
    color: #fff !important;
    font-size: 17px !important;
    font-weight: 700;
    line-height: 1 !important;
}

.hst-footer-social-placeholder {
    cursor: default;
    opacity: 0.45;
}

.hst-footer-socials a:hover {
    border-color: #e60012;
    background: #e60012;
    color: #fff !important;
    transform: none;
}

.hst-footer-social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1em;
    color: currentColor;
    text-transform: none;
}

.hst-footer-social-img {
    display: block;
    width: 18px;
    height: 18px;
    pointer-events: none;
}

.hst-footer-qr-column {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hst-footer-qr-column h3 {
    margin-bottom: 12px;
}

.hst-footer-qr-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hst-footer-qr-list figure {
    margin: 0;
}

.hst-footer-qr {
    display: block;
    width: 96px;
    height: 96px;
    padding: 6px;
    background: #fff;
    object-fit: contain;
}

.hst-footer-qr-list figcaption {
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.68);
    font-size: var(--hst-font-caption);
    line-height: 1.35;
}

.hst-footer-qr-column p {
    max-width: 118px;
    margin: 10px 0 0;
    color: rgba(255, 255, 255, 0.68) !important;
    line-height: 1.55;
}

.hst-footer-bottom-bar {
    width: min(var(--hst-container-width), calc(100% - (var(--hst-container-gutter) * 2)));
    margin: 58px auto 0;
    padding: 22px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.hst-footer-bottom-bar p {
    margin: 0;
    color: rgba(255, 255, 255, 0.58) !important;
}

.hst-footer-bottom-bar nav {
    display: flex;
    gap: 22px;
}

.hst-footer-bottom-bar a {
    margin: 0;
    color: rgba(255, 255, 255, 0.66) !important;
    white-space: nowrap;
}

/* --- Site Footer --- */
.site-footer-container {
    background: #111;
    color: #aaa;
    padding: 50px 20px;
}

.site-footer-container a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

.site-footer-container a:hover,
.site-footer-container a:focus,
.site-footer-container a:active {
    color: #e60012;
}

.site-footer-columns {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    max-width: var(--hst-container-width);
    margin: 0 auto;
}

.site-footer-columns > div {
    flex: 1;
    min-width: 200px;
}

.site-footer-columns h4 {
    color: #fff;
    margin-bottom: 15px;
    font-size: var(--hst-font-body);
}

.site-footer-columns ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer-columns ul li {
    margin-bottom: 8px;
}

.site-footer-bottom {
    text-align: center;
    border-top: 1px solid #333;
    padding-top: 20px;
    margin-top: 30px;
    max-width: var(--hst-container-width);
    margin-left: auto;
    margin-right: auto;
    font-size: var(--hst-font-body-sm);
}

/* --- Language Switcher --- */
.language-switcher {
    list-style: none;
    display: flex;
    gap: 10px;
    margin: 0;
    padding: 0;
}

.language-switcher li a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    font-size: var(--hst-font-body-sm);
    padding: 5px 10px;
    border: 0;
    border-radius: 3px;
    transition: background-color 0.3s, color 0.3s;
}

.hst-language-flag {
    line-height: 1;
}

.hst-language-name {
    white-space: nowrap;
}

.language-switcher li a:hover,
.language-switcher li a.active {
    background: #e60012;
    color: #fff;
}

/* --- Hero Section Overrides --- */
.hst-hero .wp-block-cover__inner-container {
    max-width: 800px;
    text-align: center;
}

.hst-hero h1 {
    font-size: var(--hst-font-section-title);
    font-weight: 700;
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hst-hero p {
    font-size: var(--hst-font-body-lg);
    color: #eee;
    margin-bottom: 20px;
}

.hst-hero .wp-block-button__link {
    background-color: #e60012;
    border-radius: 4px;
    font-weight: 600;
}

.hst-hero .wp-block-button__link:hover {
    background-color: #c40010;
}

/* --- Section Titles --- */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: var(--hst-font-section-title);
    font-weight: 700;
    color: #333;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #e60012;
}

/* --- Business 3-Column Section --- */
.business-card {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
}

.business-card .wp-block-cover {
    min-height: 300px;
}

.business-card-number {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.3);
    position: absolute;
    top: 20px;
    left: 20px;
}

/* --- About Page: Project Case Section --- */
.project-case-section .wp-block-cover {
    min-height: 400px;
}

.project-case-section .wp-block-cover__inner-container {
    background: rgba(0, 0, 0, 0.6);
    padding: 30px;
    border-radius: 4px;
    max-width: 500px;
}

/* --- Contact Section --- */
.contact-section .wp-block-column {
    text-align: center;
    padding: 30px;
    background: #f9f9f9;
    border-radius: 4px;
}

.contact-section .wp-block-button__link {
    background-color: #e60012;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    body.admin-bar .hst-about-header { top: 46px; }
    .hst-about-header__inner { padding: 0; }
    .hst-breadcrumbs {
        width: calc(100% - 40px);
        padding: 14px 0;
        font-size: 13px;
    }
    body.admin-bar.hst-about-page .hst-breadcrumbs,
    body.admin-bar.hst-products-page .hst-breadcrumbs,
    body.admin-bar.hst-service-page .hst-breadcrumbs {
        margin-top: 15px;
    }
    .hst-about-logo-tagline { display: none; }
    .hst-about-nav {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        max-width: 100%;
        height: 100vh;
        height: 100dvh;
        margin: 0;
        padding: 0;
        flex-direction: column;
        background: #fff;
        z-index: 11000;
        overflow: hidden;
        transform: translateX(-100%);
        visibility: hidden;
        transition: transform 0.32s cubic-bezier(0.22, 0.61, 0.36, 1),
                    visibility 0.32s ease;
        box-shadow: 0 0 40px rgba(0, 0, 0, 0.18);
        box-sizing: border-box;
    }
    .hst-about-nav.is-open {
        transform: translateX(0);
        visibility: visible;
    }
    /* 移动端菜单打开时锁定页面滚动，并隐藏底部悬浮联系条避免遮挡 */
    body.hst-mobile-nav-open {
        overflow: hidden;
    }
    body.hst-mobile-nav-open .hst-contact-mobile,
    body.hst-mobile-nav-open .hst-contact-sidebar {
        display: none !important;
    }
    /* 面板顶部固定栏：左 Logo + 右关闭按钮 */
    .hst-mobile-nav-bar {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        height: 60px;
        padding: 0 18px;
        flex: 0 0 auto;
        border-bottom: 1px solid #f0f0f0;
        background: #fff;
    }
    .hst-mobile-nav-logo {
        display: inline-flex;
        align-items: center;
        text-decoration: none !important;
    }
    .hst-mobile-nav-logo img {
        max-height: 34px;
        width: auto;
    }
    .hst-mobile-nav-logo-text {
        color: #e60012;
        font-size: 24px;
        font-weight: 900;
        letter-spacing: -1.5px;
        line-height: 1;
    }
    .hst-mobile-nav-logo-text sup {
        color: #222;
        font-size: 11px;
        margin-left: 2px;
    }
    .hst-mobile-nav-close {
        display: inline-flex !important;
        position: relative;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        border: 0;
        background: transparent;
        cursor: pointer;
    }
    .hst-mobile-nav-close span {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 22px;
        height: 2px;
        border-radius: 2px;
        background: #222;
        transition: transform 0.25s ease, background 0.2s ease;
    }
    .hst-mobile-nav-close span:nth-child(1) {
        transform: translate(-50%, -50%) rotate(45deg);
    }
    .hst-mobile-nav-close span:nth-child(2) {
        transform: translate(-50%, -50%) rotate(-45deg);
    }
    .hst-mobile-nav-close:hover span,
    .hst-mobile-nav-close:focus span {
        background: #e60012;
    }
    /* 可滚动菜单列表区 */
    .hst-mobile-nav-scroll {
        display: flex !important;
        flex: 1 1 auto;
        overflow-y: auto;
        overflow-x: hidden;
        flex-direction: column;
        -webkit-overflow-scrolling: touch;
    }
    .hst-about-nav > a,
    .hst-mobile-nav-scroll > a,
    .hst-about-nav-item > a {
        height: 54px;
        justify-content: flex-start;
        padding: 0 22px;
        font-family: "Open Sans", "Noto Sans SC", Arial, sans-serif;
        font-size: 16px;
        font-weight: 600;
        line-height: 1.2;
        letter-spacing: 0;
        color: #1a1a1a !important;
        border-bottom: 1px solid #f0f0f0;
    }
    .hst-about-nav-item {
        display: block;
        position: relative;
    }
    .hst-about-nav-item > .hst-about-submenu-toggle--top {
        position: absolute;
        top: 0;
        right: 0;
        width: 54px;
        height: 54px;
    }
    /* 一级目录默认展开，隐藏顶部展开按钮，仅保留三级折叠按钮 */
    .hst-about-nav-item-products > .hst-about-submenu-toggle--top,
    .hst-about-nav-item-solutions > .hst-about-submenu-toggle--top,
    .hst-about-nav-item-news > .hst-about-submenu-toggle--top {
        display: none !important;
    }
    /* 一级目录的二级菜单默认自动展开 */
    .hst-about-nav-item-products > .hst-about-submenu,
    .hst-about-nav-item-solutions > .hst-about-submenu,
    .hst-about-nav-item-news > .hst-about-submenu {
        display: block !important;
        grid-column: auto;
    }
    .hst-about-nav-item-products .hst-about-submenu li.has-submenu-toggle {
        position: relative;
        display: block;
    }
    .hst-about-nav-item-products .hst-about-submenu li.has-submenu-toggle > a {
        padding-right: 54px;
    }
    .hst-about-nav-item-products .hst-about-submenu li.has-submenu-toggle > .hst-about-submenu-toggle {
        position: absolute;
        top: 0;
        right: 0;
        width: 54px;
        height: 46px;
    }
    .hst-about-nav-item-products .hst-about-submenu li.has-children > a {
        justify-content: flex-start;
        /* 与解决方案/新闻二级菜单保持一致的字重与颜色，避免移动端色重不一致 */
        font-weight: 400;
        color: #555 !important;
    }
    .hst-about-nav-item-products .hst-about-submenu li.has-children > a::after {
        content: none;
    }
    .hst-about-submenu-toggle {
        position: relative;
        display: flex;
        width: 54px;
        height: 54px;
        align-items: center;
        justify-content: center;
        border: 0;
        background: transparent !important;
        color: #999 !important;
        cursor: pointer;
        box-shadow: none !important;
        appearance: none;
        -webkit-appearance: none;
        transition: color 0.2s ease;
    }
    /* 单个 chevron 图标：关闭指向右(>)，展开旋转 90° 指向下(v) */
    .hst-about-submenu-toggle::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        width: 9px;
        height: 9px;
        margin-top: -5px;
        margin-left: -5px;
        border-right: 2px solid currentColor;
        border-top: 2px solid currentColor;
        transform: rotate(45deg);
        transform-origin: center center;
        transition: transform 0.25s ease;
    }
    .hst-about-submenu-toggle:hover,
    .hst-about-submenu-toggle:focus,
    .hst-about-submenu-toggle:active,
    .hst-about-submenu-toggle[aria-expanded="true"] {
        background: transparent !important;
        color: #e60012 !important;
        outline: 0;
    }
    .hst-about-submenu-toggle[aria-expanded="true"]::before {
        transform: rotate(135deg);
    }
    /* 三级及更深层级默认折叠，点击展开 */
    .hst-about-nav-item-products .hst-about-submenu li.has-children:not(.is-open) > .hst-about-submenu--nested {
        display: none !important;
    }
    .hst-about-nav-item-products .hst-about-submenu li.has-children.is-open > .hst-about-submenu--nested {
        display: block !important;
    }
    .hst-about-submenu {
        position: static;
        min-width: 0;
        padding: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: #fafafa;
    }
    .hst-about-submenu a {
        padding: 13px 22px 13px 44px;
        font-family: "Open Sans", "Noto Sans SC", Arial, sans-serif;
        font-size: 14px;
        font-weight: 400;
        line-height: 1.4;
        letter-spacing: 0;
        color: #555 !important;
        white-space: normal;
        border-bottom: 1px solid #f0f0f0;
    }
    /* 移动端强制产品叶子项与同级子菜单项字号一致（覆盖桌面端 is-product 的 13px） */
    .hst-about-nav-item-products .hst-about-submenu li.is-product > a {
        font-size: 14px;
        font-weight: 400;
        line-height: 1.4;
        letter-spacing: 0;
        color: #555 !important;
    }
    .hst-about-submenu a:hover,
    .hst-about-submenu a:focus {
        color: #e60012 !important;
        background: #fff;
    }
    .hst-about-submenu-toggle + .hst-about-submenu--nested { top: auto; left: auto; }
    .hst-about-submenu--nested { top: auto; left: auto; background: #f4f4f4; }
    .hst-about-submenu--level-2 > li > a { padding-left: 44px; }
    .hst-about-submenu--level-3 > li > a { padding-left: 60px; }
    .hst-about-submenu--level-4 > li > a { padding-left: 76px; }
    .hst-about-submenu--level-5 > li > a { padding-left: 92px; }
    .hst-about-submenu--level-6 > li > a { padding-left: 108px; }
    .hst-about-nav-item-products .hst-about-submenu li.has-children:hover > a::after,
    .hst-about-nav-item-products .hst-about-submenu li.has-children:focus-within > a::after {
        transform: none;
    }
    /* 移动端语言下拉框固定在汉堡按钮左侧，独立于展开菜单 */
    .hst-about-mobile-language-wrap,
    .hst-about-mobile-language-menu,
    .hst-about-mobile-language-menu li {
        margin: 0;
        padding: 0;
        list-style: none;
    }
    .hst-about-mobile-language-wrap {
        position: relative;
        display: block;
        margin: 0 6px 0 auto;
    }
    .hst-about-mobile-language-toggle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        height: 36px;
        padding: 0 10px;
        border: 1px solid #e5e5e5;
        border-radius: 8px;
        background: #fff;
        color: #333;
        font-size: 13px;
        font-weight: 700;
        cursor: pointer;
        line-height: 1;
    }
    .hst-about-mobile-language-toggle:hover,
    .hst-about-mobile-language-toggle:focus,
    .hst-about-mobile-language-wrap.is-open .hst-about-mobile-language-toggle {
        border-color: #e60012;
        color: #e60012;
    }
    .hst-about-mobile-language-toggle .hst-language-flag {
        font-size: 18px;
    }
    .hst-about-mobile-language-wrap.is-open .hst-about-language-arrow {
        margin-top: 4px;
        transform: rotate(225deg);
    }
    .hst-about-mobile-language-menu {
        position: absolute;
        top: calc(100% + 8px);
        right: 0;
        min-width: 120px;
        padding: 6px 0;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: 0.2s ease;
        z-index: 12000;
    }
    .hst-about-mobile-language-wrap.is-open .hst-about-mobile-language-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .hst-about-mobile-language-menu a {
        display: flex;
        align-items: center;
        gap: 8px;
        height: 40px;
        padding: 0 14px;
        color: #333 !important;
        font-size: 13px;
        font-weight: 600;
        text-decoration: none !important;
    }
    .hst-about-mobile-language-menu a:hover,
    .hst-about-mobile-language-menu a.active {
        background: #e60012;
        color: #fff !important;
    }
    .hst-about-actions { display: none; }
    .hst-about-menu {
        display: flex;
        flex-direction: column;
        gap: 5px;
        margin-left: 0;
        border: 0;
        background: none;
        padding: 8px;
        cursor: pointer;
    }
    .hst-about-menu span {
        width: 24px;
        height: 2px;
        background: #222;
        border-radius: 2px;
        transform-origin: center;
        transition: transform 0.3s ease, opacity 0.2s ease, background 0.2s ease;
    }
    /* 打开时汉堡变 X */
    .hst-about-menu.is-active span {
        background: #e60012;
    }
    .hst-about-menu.is-active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .hst-about-menu.is-active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }
    .hst-about-menu.is-active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    .hst-about-footer { padding-top: 48px; }
    .hst-about-footer__inner {
        width: calc(100% - 40px);
        grid-template-columns: 1fr;
        gap: 34px;
    }
    .hst-footer-brand { max-width: none; }
    .hst-footer-qr-column { width: fit-content; padding-top: 0; }
    .hst-footer-bottom-bar {
        width: calc(100% - 40px);
        margin-top: 42px;
        flex-direction: column;
        align-items: flex-start;
    }
    .hst-footer-bottom-bar nav {
        flex-wrap: wrap;
        gap: 14px 20px;
    }

    .business-circle-wrapper {
        min-height: auto;
        display: flex;
        flex-direction: column;
        gap: 20px;
        padding: 10px;
    }

    .business-center-circle {
        position: static;
        transform: none;
        width: 100%;
        border-radius: 5px;
        margin-bottom: 10px;
    }

    .business-item {
        position: static;
        transform: none !important;
        width: 100%;
        margin: 0;
        text-align: left;
        background: #f9f9f9;
        padding: 10px;
        border-radius: 4px;
    }

    .hst-hero h1 {
        font-size: var(--hst-font-section-title);
    }

    .site-footer-columns {
        flex-direction: column;
    }

    .section-title h2 {
        font-size: var(--hst-font-section-title);
    }

    .language-switcher {
        gap: 5px;
    }
}

@media (max-width: 480px) {
    .hst-hero h1 {
        font-size: var(--hst-font-section-title);
    }

    .advantage-card {
        padding: 15px;
    }
}