:root {
    --primary-color: #1d7ec3;
    --primary-hover: #2193e2;
    --deep-blue: #005f9c;
    --text-main: #333333;
    --text-muted: #666666;
    --text-light: #999999;
    --border-color: #dddddd;
    --page-bg: #f5f5f5;
    --soft-bg: #eeeeee;
    --footer-bg: #333333;
    --footer-line: #484848;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: "Noto Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    color: var(--text-muted);
    background: var(--page-bg);
    line-height: 1.6;
    font-size: 14px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s, background 0.3s, border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

ul,
ol {
    list-style: none;
}

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

input,
button,
textarea,
select {
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: 1470px;
    margin: 0 auto;
    padding: 0 15px;
}

.main-content {
    min-height: 460px;
}

/* ============================================
   Header
   ============================================ */
.top-bar {
    display: none;
}

.main-nav {
    position: relative;
    z-index: 100;
    background: #ffffff;
    box-shadow: 0 10px 10px #efefef;
}

.main-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 90px;
}

.logo {
    flex-shrink: 0;
    margin-right: 48px;
}

.logo a {
    display: flex;
    align-items: center;
    min-height: 68px;
}

.logo img {
    width: 214px;
    height: 68px;
    object-fit: contain;
}

.logo .site-name {
    display: none;
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid #e7e7e7;
    border-radius: 4px;
    cursor: pointer;
    background: #fff;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    height: 90px;
}

.nav-menu li {
    flex-shrink: 0;
}

.nav-menu .nav-product {
    position: static;
}

.nav-menu > li > a {
    height: 90px;
    display: flex;
    align-items: center;
    margin-right: 34px;
    color: var(--text-main);
    font-size: 20px;
    font-weight: 400;
    position: relative;
    white-space: nowrap;
}

.nav-menu > li > a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--primary-color);
}

.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
    transform: scaleX(1);
}

.nav-menu > li > a .nav-icon {
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 5px;
}

.nav-menu > li > a .nav-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.header-down {
    width: 100%;
    display: block;
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 6;
    padding: 0;
    background: #ffffff;
    border-top: 1px solid #eeeeee;
    border-bottom: 4px solid var(--primary-color);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
    transform: translateY(6px);
    transition: opacity 0.22s, visibility 0.22s, transform 0.22s;
}

.nav-product:hover .header-down,
.header-down:hover {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.header-down-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 0 14px;
    border-bottom: 1px solid #eeeeee;
}

.header-down-head strong {
    display: block;
    color: var(--text-main);
    font-size: 20px;
    line-height: 1.2;
    margin-bottom: 4px;
}

.header-down-head span {
    color: var(--text-light);
    font-size: 13px;
}

.header-down-head a {
    flex-shrink: 0;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border: 1px solid var(--primary-color);
    border-radius: 2px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 400;
}

.header-down-head a:hover {
    background: var(--primary-color);
    color: #fff;
}

.header-down-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    padding: 0;
    background: #ffffff;
    border-left: 1px solid #eeeeee;
}

.header-down-card {
    min-height: 74px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 16px;
    background: #fff;
    border-right: 1px solid #eeeeee;
    border-bottom: 1px solid #eeeeee;
    border-radius: 0;
    color: var(--text-main);
}

.header-down-card:hover {
    background: var(--primary-color);
    color: #fff;
    box-shadow: none;
    transform: none;
}

.header-down-card .header-down-img {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    border-radius: 50%;
    background: #f3f8fc;
    border: 1px solid #e5eef6;
    padding: 5px;
    overflow: hidden;
    transition: background 0.3s, border-color 0.3s;
}

.header-down-card .header-down-img img {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.header-down-card:hover .header-down-img {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.45);
}

.header-down-card p {
    width: auto;
    flex: 1;
    color: var(--text-main);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.35;
    text-align: left;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.header-down-card:hover p {
    color: #fff;
}

.nav-right {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.search-box {
    width: 220px;
    margin-right: 18px;
}

.search-box form {
    position: relative;
    display: block;
}

.search-box input {
    width: 100%;
    height: 36px;
    border: 1px solid var(--primary-color);
    border-radius: 18px;
    background: #fff;
    outline: none;
    padding: 0 46px 0 16px;
    color: var(--text-main);
    font-size: 14px;
}

.search-box input::placeholder {
    color: #999;
}

.search-box button {
    width: 42px;
    height: 36px;
    position: absolute;
    top: 0;
    right: 0;
    border: 0;
    background: transparent;
    color: transparent;
    cursor: pointer;
    font-size: 0;
}

.search-box button::before {
    content: "";
    width: 15px;
    height: 15px;
    position: absolute;
    top: 9px;
    left: 11px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
}

.search-box button::after {
    content: "";
    width: 9px;
    height: 2px;
    position: absolute;
    top: 23px;
    left: 24px;
    background: var(--primary-color);
    transform: rotate(45deg);
    border-radius: 2px;
}

.login-btn,
.register-btn {
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    color: var(--text-main);
    font-size: 16px;
    white-space: nowrap;
}

.login-btn {
    border-right: 1px solid var(--border-color);
}

.register-btn {
    margin-left: 8px;
    color: var(--primary-color);
}

.login-btn:hover,
.register-btn:hover {
    color: var(--primary-hover);
}

.sub-nav {
    background: #fff;
    border-bottom: 1px solid #eeeeee;
}

.sub-nav .container {
    display: flex;
    align-items: center;
    min-height: 46px;
    overflow-x: auto;
}

.sub-nav a {
    height: 46px;
    display: flex;
    align-items: center;
    margin-right: 24px;
    color: var(--text-muted);
    white-space: nowrap;
    border-bottom: 3px solid transparent;
}

.sub-nav a:hover,
.sub-nav a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* ============================================
   Shared Components
   ============================================ */
.section-title {
    color: var(--text-main);
    font-size: 34px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.section-title::after {
    content: "";
    display: block;
    width: 58px;
    height: 4px;
    margin-top: 12px;
    background: var(--primary-color);
}

.section-title .sub-link {
    float: right;
    margin-top: 12px;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
}

.page-header {
    background: #fff !important;
    color: var(--text-main) !important;
    padding: 48px 0 34px !important;
    text-align: left !important;
    border-bottom: 1px solid #eeeeee;
}

.page-header h1 {
    font-size: 34px;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--text-main) !important;
}

.page-header p {
    color: var(--text-light) !important;
    font-size: 16px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 26px;
    border: 1px solid var(--primary-color);
    border-radius: 18px;
    background: var(--primary-color);
    color: #fff;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #fff;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 26px;
    border: 1px solid var(--deep-blue);
    border-radius: 18px;
    background: #fff;
    color: var(--deep-blue);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
}

.btn-outline:hover {
    background: var(--deep-blue);
    color: #fff;
}

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

.pagination a,
.pagination span {
    display: inline-flex;
    min-width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    margin: 0 3px;
    background: #fff;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    font-size: 14px;
}

.pagination a:hover,
.pagination .active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ============================================
   Product and Category Cards
   ============================================ */
.category-card {
    width: 222px;
    min-height: 258px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
}

.category-card .img-wrap {
    width: 220px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 2px;
    padding: 10px;
    margin-bottom: 10px;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s;
}

.category-card .img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.category-card .name {
    color: var(--text-main);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
}

.category-card:hover .img-wrap {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(29, 126, 195, 0.12);
}

.product-item {
    background: #fff;
    border: 1px solid #eeeeee;
    border-radius: 2px;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
    cursor: pointer;
}

.product-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-3px);
}

.product-item .image {
    background: #fff;
}

.product-item .image img {
    object-fit: contain;
}

.product-item .name {
    color: var(--text-main);
}

.product-item .price {
    color: #ed0505;
}

.product-item .btn-wrap .detail-btn {
    background: var(--primary-color);
    color: #fff;
}

.product-item .btn-wrap .detail-btn:hover {
    background: var(--primary-hover);
    color: #fff;
}

.product-item .btn-wrap .inquiry-btn {
    background: #fff;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.product-item .btn-wrap .inquiry-btn:hover {
    background: var(--primary-color);
    color: #fff;
}

/* ============================================
   Footer
   ============================================ */
.footer-top-warp {
    background: var(--soft-bg);
    padding: 24px 0;
}

.footer-top-list {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 18px 26px;
}

.footer-top-warp .ft-box {
    display: flex;
    align-items: center;
    color: var(--text-muted);
}

.footer-top-warp .ft-box .icon {
    width: 60px;
    height: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    border-radius: 50%;
    background: #fff;
    color: var(--primary-color);
}

.footer-top-warp .ft-box .icon svg {
    width: 30px;
    height: 30px;
    fill: currentColor;
}

.footer-top-warp .ft-box .text {
    font-size: 16px;
    color: var(--text-muted);
    transition: color 0.3s;
    white-space: nowrap;
}

.footer-top-warp .ft-box:hover .text {
    color: var(--primary-color);
}

.footer {
    background: var(--footer-bg);
    color: rgba(255, 255, 255, 0.6);
}

.footer-main {
    padding: 44px 0 36px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 0.3fr repeat(3, 138px) 1.5fr;
    gap: 30px;
    align-items: start;
}

.footer-column h3 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 15px;
    font-weight: 500;
    position: relative;
    padding-left: 14px;
}

.footer-column h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    width: 3px;
    height: 16px;
    background: #3a8dc7;
}

.footer-column ul li {
    margin-bottom: 7px;
}

.footer-column ul li a,
.footer-contact .contact-item,
.footer-contact .contact-item span,
.footer-qr .qr-text {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-column ul li a:hover {
    color: #fff;
}

.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
}

.footer-contact .contact-item .ci-icon {
    display: none;
}

.footer-contact .contact-item strong {
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
    font-weight: 400;
}

.footer-platforms {
    display: none;
}

.footer-qr {
    text-align: center;
}

.footer-qr .qr-img {
    width: 88px;
    height: 88px;
    padding: 4px;
    margin: 0 auto 8px;
    background: #fff;
}

.footer-qr .qr-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.footer-bottom {
    border-top: 1px solid var(--footer-line);
    padding: 18px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.45);
    font-size: 13px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.45);
}

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

.footer-bottom .divider {
    margin: 0 10px;
    color: rgba(255, 255, 255, 0.28);
}

/* ============================================
   Fixed Tools
   ============================================ */
.bottom-toolbar {
    position: fixed;
    top: 60%;
    right: 0;
    left: auto;
    bottom: auto;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    transform: translateY(-50%);
    background: transparent;
    box-shadow: none;
}

.bottom-toolbar .tool-item {
    width: 49px;
    height: 49px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #fff;
    border: 1px solid #eeeeee;
    color: var(--text-muted);
    transition: all 0.3s;
    position: relative;
}

.bottom-toolbar .tool-item + .tool-item {
    border-top: 0;
}

.bottom-toolbar .tool-item svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    fill: currentColor;
}

.bottom-toolbar .tool-badge {
    min-width: 18px;
    height: 18px;
    position: absolute;
    top: 3px;
    right: 3px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    border-radius: 9px;
    background: #ed0505;
    color: #fff;
    font-size: 11px;
    font-style: normal;
    line-height: 18px;
}

.bottom-toolbar .tool-item span {
    width: 0;
    opacity: 0;
    white-space: nowrap;
    overflow: hidden;
    color: #fff;
    font-size: 14px;
    transition: opacity 0.2s, width 0.2s, margin 0.2s;
}

.bottom-toolbar .tool-item:hover {
    width: auto;
    min-width: 118px;
    padding: 0 18px;
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    border-radius: 50rem 0 0 50rem;
}

.bottom-toolbar .tool-item:hover span {
    width: auto;
    opacity: 1;
    margin-left: 10px;
}

.back-to-top {
    display: none;
    position: fixed;
    right: 0;
    top: calc(60% + 78px);
    width: 49px;
    height: 49px;
    background: #fff;
    color: var(--text-muted);
    border: 1px solid #eeeeee;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 998;
    transition: all 0.3s;
}

.back-to-top:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

/* ============================================
   Hengyangbuy Reference Parity
   ============================================ */
body {
    background: #f5f5f5;
    font-family: "Noto Sans SC", -apple-system, Arial, sans-serif;
}

div,
a,
p {
    font-size: 14px;
    color: #666666;
}

.container {
    max-width: 1470px;
}

.main-nav {
    position: relative;
    z-index: 2;
    background: #ffffff;
    box-shadow: 0 10px 10px #efefef;
}

.main-nav .container {
    min-height: 90px;
    position: relative;
    z-index: 8;
}

.logo {
    flex-shrink: 0;
    margin-right: 50px;
}

.logo a {
    min-height: 68px;
}

.logo img {
    width: 214px;
    height: 68px;
    object-fit: contain;
}

.nav-menu {
    height: 90px;
}

.nav-menu > li > a {
    height: 90px;
    margin-right: 36px;
    color: #333333;
    font-size: 20px;
    font-weight: 400;
}

.nav-menu > li > a::after {
    display: none;
}

.nav-menu > li > a .nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 3px;
}

.nav-menu > li > a .nav-icon svg {
    width: 20px;
    height: 20px;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--primary-color);
}

.search-box {
    width: 220px;
    margin-right: 18px;
}

.search-box input {
    height: 36px;
    border-color: #1d7dc2;
    border-radius: 18px;
}

.search-box button::before {
    border-color: #1d7dc2;
}

.search-box button::after {
    background: #1d7dc2;
}

.login-btn,
.register-btn {
    height: 90px;
    color: #333333;
    font-size: 20px;
    font-weight: 400;
}

.login-btn {
    border-right: 0;
}

.register-btn {
    margin-left: 0;
    color: #333333;
}

.login-btn::after {
    content: "|";
    width: 20px;
    text-align: center;
    color: #dddddd;
    margin-left: 12px;
}

.login-btn:hover,
.register-btn:hover {
    color: var(--primary-color);
}

.header-down {
    display: none;
    visibility: visible;
    opacity: 0;
    width: 100%;
    background: #ffffff;
    padding: 25px 0 15px;
    border-top: 0;
    border-bottom: 5px solid var(--primary-color);
    box-shadow: none;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 6;
    transform: none;
}

.nav-product:hover .header-down,
.header-down:hover {
    display: block;
    visibility: visible;
    opacity: 1;
    transform: none;
}

.header-down-head {
    display: none;
}

.header-down-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px 30px;
    padding: 0;
    background: transparent;
    border-left: 0;
}

.header-down-card {
    min-height: 160px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 16px;
    background: #F8F8F8;
    border: 0;
    border-radius: 0;
    color: #333333;
}

.header-down-card:hover {
    background: #F8F8F8;
    color: #333333;
    box-shadow: none;
    transform: none;
}

.header-down-text {
    flex: 1;
    min-width: 0;
}

.header-down-text p,
.header-down-card p {
    display: block;
    width: auto;
    color: #333333;
    font-size: 22px;
    font-weight: 400;
    line-height: 1.35;
    margin: 0;
    overflow: visible;
    text-align: left;
}

.header-down-card:hover p {
    color: #333333;
}

.header-down-card .header-down-img {
    width: 160px;
    height: 160px;
    flex: 0 0 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
}

.header-down-card .header-down-img img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.header-down-card:hover .header-down-img {
    background: transparent;
    border-color: transparent;
}

.home-screen {
    padding-top: 87px;
    background-color: #f5f5f5;
}

.home-screen .screen-title-box {
    align-items: flex-end;
    margin-bottom: 20px;
    gap: 0;
}

.home-screen .title-img {
    width: 162px;
    height: 62px;
    padding: 8px;
    background: transparent;
    margin-bottom: 0;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.home-screen .dashed-line {
    margin: 0 10px 8px;
    height: 14px;
    background: url("/static/images/ref-home/bg-line.png") no-repeat bottom / 100% auto;
}

.home-screen .process-btn {
    height: 32px;
    min-height: 32px;
    border-color: #005f9c;
    border-radius: 999px;
    padding: 0 22px;
    color: #005f9c;
    font-size: 14px;
    line-height: 32px;
    font-weight: 700;
}

.home-screen .process-btn:hover {
    background: #005f9c;
    color: #fff;
}

.category-grid {
    grid-template-columns: repeat(auto-fill, 220px);
    justify-content: space-between;
    gap: 20px 22px;
    padding-top: 20px;
}

.category-card {
    width: 222px;
    min-height: 222px;
    border-radius: 2px;
    position: relative;
}

.category-card .img-wrap {
    width: 220px;
    height: 220px;
    padding: 10px;
    background: #fff;
    margin-bottom: 10px;
    border-radius: 2px;
    box-shadow: none;
}

.category-card .name {
    position: relative;
    font-weight: 700;
    bottom: 0;
    font-size: 18px;
    color: #333;
}

.category-card:hover .img-wrap {
    transform: none;
    box-shadow: none;
}

.product-update-wrap {
    padding-bottom: 89px;
    border-radius: 4px;
}

.product-update-wrap .screen-title-box {
    padding-bottom: 20px;
}

.product-update-list {
    background-color: #fff;
    overflow-x: auto;
    overflow-y: hidden;
}

.product-update-list::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.product-update-list::-webkit-scrollbar-thumb {
    border-radius: 8px;
    background: #1d7ec3;
}

.product-update-list::-webkit-scrollbar-track {
    border-radius: 8px;
    background: #e5e5e5;
}

.product-update-list .product-update-card {
    min-width: 240px;
    max-width: 240px;
    height: 280px;
    margin: 50px 0;
    padding: 0 20px;
    border-left: solid 1px #eeeeee;
}

.product-update-list .product-update-card:first-child {
    border-left: 0;
}

.product-update-list .product-update-card img {
    width: 110px;
    height: 110px;
    object-fit: contain;
}

.product-update-list .product-update-card p {
    margin-top: 80px;
    color: #333333;
    font-size: 16px;
    line-height: 1.5;
}

.footer-top-warp {
    background: #eeeeee;
    padding: 24px 0;
}

.footer-top-list {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 18px 0;
}

.footer-top-warp .ft-box {
    margin-bottom: 0;
    margin-right: 30px;
}

.footer-top-warp .ft-box:last-child {
    margin-right: 0;
}

.footer-top-warp .ft-box .icon {
    width: 60px;
    height: 60px;
    margin-right: 20px;
    background: transparent;
}

.footer-top-warp .ft-box .text {
    font-size: 16px;
    color: #666666;
}

.footer,
.footer-warp {
    background: #333333;
}

.footer-main {
    padding: 32px 0 36px;
}

.footer-column h3 {
    color: #ffffff;
    font-size: 16px;
    margin-bottom: 15px;
    padding-left: 14px;
}

.footer-column h3::before {
    width: 3px;
    height: 16px;
    background: #3a8dc7;
    top: 5px;
}

.footer-column ul li {
    margin-bottom: 7px;
}

.footer-column ul li a,
.footer-contact .contact-item,
.footer-contact .contact-item span,
.footer-qr .qr-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
    border-top: 1px solid #484848;
}

/* 手机端专属元素（桌面端隐藏） */
.nav-mobile-only {
    display: none;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1600px) {
    .nav-menu > li > a {
        margin-right: 30px;
    }
}

@media (max-width: 1440px) {
    .logo {
        margin-right: 34px;
    }

    .nav-menu > li > a {
        margin-right: 20px;
        font-size: 18px;
    }
}

@media (max-width: 1280px) {
    .header-down {
        display: none;
    }
}

@media (max-width: 1280px) {
    .nav-menu,
    .nav-right {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav .container {
        min-height: 76px;
    }

    .logo a {
        min-height: 58px;
    }

    .logo img {
        width: 184px;
        height: 58px;
    }

    .nav-menu.active {
        position: fixed;
        top: 0;
        left: 0;
        width: 72%;
        max-width: 320px;
        height: 100vh;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        padding: 26px 22px;
        box-shadow: 8px 0 30px rgba(0, 0, 0, 0.18);
        z-index: 1001;
        overflow-y: auto;
    }

    .nav-menu.active > li > a {
        width: 100%;
        height: auto;
        margin-right: 0;
        padding: 16px 0 12px;
        font-size: 17px;
        border-bottom: 1px solid #eeeeee;
    }

    .nav-menu.active > li > a::after {
        display: none;
    }

    /* 手机端搜索和快捷入口在展开菜单时显示 */
    .nav-menu.active .nav-mobile-only {
        display: block;
    }

    .nav-menu.active .nav-mobile-only .mobile-search-form {
        display: flex;
        margin-bottom: 4px;
        padding: 12px 0;
        border-bottom: 1px solid #eeeeee;
    }

    .nav-menu.active .nav-mobile-only .mobile-search-form input {
        flex: 1;
        height: 38px;
        border: 1px solid var(--primary-color);
        border-radius: 4px 0 0 4px;
        padding: 0 12px;
        font-size: 14px;
        outline: none;
    }

    .nav-menu.active .nav-mobile-only .mobile-search-form button {
        width: 60px;
        height: 38px;
        background: var(--primary-color);
        color: #fff;
        border: none;
        border-radius: 0 4px 4px 0;
        font-size: 14px;
        cursor: pointer;
    }
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-qr {
        text-align: left;
    }

    .footer-qr .qr-img {
        margin-left: 0;
    }
}

/* ============================================================
   富文本内容区域通用样式（wangEditor v5 输出兼容）
   覆盖全局 img { display: block } 避免 text-align 居中失效
   ============================================================ */
.rich-content img,
.pianl-text img,
.curve-rich-content img,
.article-content img,
.help-detail-content img {
    display: inline-block !important;
    vertical-align: middle;
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }

    .main-nav .container {
        min-height: 66px;
    }

    .logo {
        margin-right: 12px;
    }

    .logo img {
        width: 158px;
        height: 50px;
    }

    .section-title {
        font-size: 24px;
    }

    .page-header {
        padding: 30px 0 24px;
    }

    .page-header h1 {
        font-size: 26px;
    }

    .category-card {
        width: 100%;
        min-height: auto;
    }

    .category-card .img-wrap {
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
    }

    .category-card .name {
        font-size: 14px;
    }

    .footer-top-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .footer-top-warp .ft-box .icon {
        width: 42px;
        height: 42px;
        margin-right: 10px;
    }

    .footer-top-warp .ft-box .icon svg {
        width: 22px;
        height: 22px;
    }

    .footer-top-warp .ft-box .text {
        font-size: 13px;
    }

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

    .footer-contact,
    .footer-qr {
        grid-column: 1 / -1;
    }

    .footer-main {
        padding: 32px 0 24px;
    }

    /* 手机端工具栏保持右侧竖排（同PC端），仅缩小按钮尺寸适配小屏 */
    .bottom-toolbar .tool-item {
        width: 42px;
        height: 42px;
    }

    .bottom-toolbar .tool-item svg {
        width: 19px;
        height: 19px;
    }

    .bottom-toolbar .tool-badge {
        top: 2px;
        right: 2px;
    }

    .back-to-top {
        right: 0;
        top: calc(60% + 66px);
        width: 42px;
        height: 42px;
    }

    .back-to-top svg {
        width: 19px;
        height: 19px;
    }
}

/* ============================================
   富文本内容列表样式恢复
   全局 ul/ol { list-style: none } 重置会导致
   富文本编辑器生成的有序/无序列表编号丢失，
   以下规则在各详情页容器中恢复列表样式
   ============================================ */
.detail-copy ol,
.pianl-text ol,
.curve-rich-content ol,
.qui_single ol,
.remark ol,
.article-main .content ol,
.help-content .content ol,
.help-body ol,
.about-text ol {
    list-style: decimal;
    margin: 10px 0;
    padding-left: 1.2em;
}

.detail-copy ul,
.pianl-text ul,
.curve-rich-content ul,
.qui_single ul,
.remark ul,
.article-main .content ul,
.help-content .content ul,
.help-body ul,
.about-text ul {
    list-style: disc;
    margin: 10px 0;
    padding-left: 1.2em;
}

.detail-copy li,
.pianl-text li,
.curve-rich-content li,
.qui_single li,
.remark li,
.article-main .content li,
.help-content .content li,
.help-body li,
.about-text li {
    margin-bottom: 6px;
}

/* 嵌套列表缩进 */
.detail-copy ol ol,
.pianl-text ol ol,
.curve-rich-content ol ol,
.qui_single ol ol,
.remark ol ol,
.article-main .content ol ol,
.help-content .content ol ol,
.help-body ol ol,
.about-text ol ol {
    list-style: lower-alpha;
    margin: 6px 0;
}

.detail-copy ul ul,
.pianl-text ul ul,
.curve-rich-content ul ul,
.qui_single ul ul,
.remark ul ul,
.article-main .content ul ul,
.help-content .content ul ul,
.help-body ul ul,
.about-text ul ul {
    list-style: circle;
    margin: 6px 0;
}