/* ============================================
   酒便利官网 - IE11 兼容样式表
   IE Compatibility Stylesheet for JBL Website
   ============================================ */

/* ========================================
   IE 浏览器：全局降级
   ======================================== */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {

  /* === 设计变量降级（IE11 不支持 CSS 变量）=== */
  body {
    font-family: "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif !important;
    font-size: 18px;
    line-height: 1.6;
    color: #2D2D2D !important;
    background-color: #F8F6F3 !important;
    overflow-x: hidden;
    display: block;
  }

  /* === 容器 === */
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
  }

  /* === 标题 === */
  .section-title {
    font-size: 38px;
    font-weight: 700;
    color: #0F0F0F;
    text-align: center;
    letter-spacing: 0.05em;
    line-height: 1.25;
  }

  .section-title--white {
    color: #FFFFFF !important;
  }

  .section-subtitle {
    font-size: 17px;
    color: #666666;
    text-align: center;
    margin-top: 20px;
    line-height: 1.8;
  }

  .section-subtitle--white {
    color: rgba(255,255,255,0.7) !important;
  }

  .accent-line {
    width: 60px;
    height: 2px;
    background: #D4A574;
    margin: 20px auto 0;
  }

  .accent-line--white {
    background: #E0BF9E;
  }

  /* === 按钮 === */
  .btn {
    display: inline-block;
    padding: 12px 36px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 9999px;
    cursor: pointer;
    letter-spacing: 1px;
    font-family: "Microsoft YaHei", sans-serif;
    text-decoration: none;
    border: none;
  }

  .btn--primary {
    background: #D4A574;
    color: #FFFFFF !important;
  }

  .btn--primary:hover {
    background: #B8895A;
  }

  .btn--outline {
    border: 1px solid #D4A574;
    color: #D4A574 !important;
    background: transparent;
  }

  .btn--outline:hover {
    background: #D4A574;
    color: #FFFFFF !important;
  }

  .btn--ghost {
    border: 1px solid rgba(255,255,255,0.3);
    color: #FFFFFF !important;
    background: transparent;
  }

  .btn--ghost:hover {
    border-color: #D4A574;
  }

  /* === 顶部标题栏 === */
  /* IE11：始终白色背景，和 Edge 一致 */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px !important;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    box-shadow: 0 2px 24px rgba(0,0,0,0.06);
  }

  .site-header--transparent {
    background: rgba(255,255,255,0.97) !important;
    box-shadow: 0 2px 24px rgba(0,0,0,0.06);
  }

  .site-header--scrolled,
  .site-header--light {
    background: rgba(255,255,255,0.98) !important;
    box-shadow: 0 2px 24px rgba(0,0,0,0.06);
  }

  .header-inner {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: justify;
    justify-content: space-between;
    height: 64px;
  }

  .header-logo {
    -ms-flex-negative: 0;
    flex-shrink: 0;
    display: -ms-flexbox;
    display: flex;
    align-items: center;
  }

  .header-logo img {
    height: 32px;
    width: auto;
  }

  .header-nav {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    gap: 8px;
  }

  .nav-link {
    display: -ms-inline-flexbox;
    display: inline-flex;
    -ms-flex-align: center;
    align-items: center;
    padding: 8px 16px;
    font-size: 15px;
    color: #2D2D2D;
    text-decoration: none;
    border-radius: 9999px;
    position: relative;
  }

  .nav-link:hover {
    color: #B8895A;
    background: #F5EDE4;
  }

  .nav-link.active {
    color: #B8895A;
    background: #F5EDE4;
  }

  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: #D4A574;
    border-radius: 1px;
  }

  .header-phone {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    gap: 8px;
    color: #666666;
    font-size: 14px;
  }

  .header-phone img {
    width: 16px;
    height: 16px;
  }

  .header-phone strong {
    color: #B8895A;
    font-size: 16px;
  }

  /* 汉堡菜单 */
  .hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
  }

  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #0F0F0F;
    border-radius: 1px;
  }

  /* === Hero 区域 === */
  .hero {
    position: relative;
    height: 100vh;
    min-height: 500px;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    overflow: hidden;
  }

  .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 0;
  }

  .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000000;
    filter: alpha(opacity=20);
    opacity: 0.2;
    z-index: 1;
  }

  .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #FFFFFF;
    padding: 0 20px;
    padding-top: 64px;
    padding-bottom: 60px;
  }

  .hero-title {
    font-size: 50px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
  }

  .hero-title span {
    color: #D4A574;
  }

  .hero-subtitle {
    font-size: 19px;
    opacity: 0.9;
    margin-bottom: 16px;
  }

  .hero-disclaimer {
    font-size: 13px;
    opacity: 0.6;
  }

  /* === Feature Strip === */
  .feature-strip {
    margin: -300px auto 0;
    position: relative;
    z-index: 3;
    padding: 0;
    background: #FFFFFF;
    max-width: 1280px;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.12);
    overflow: hidden;
  }

  .feature-strip-inner {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    max-width: 1280px;
    margin: 0 auto;
  }

  .feature-item {
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
    text-align: center;
    padding: 32px 16px;
    position: relative;
  }

  .feature-icon {
    width: 52px;
    height: 52px;
    margin-bottom: 14px;
  }

  .feature-name {
    font-size: 20px;
    font-weight: 700;
    color: #0F0F0F;
    margin-bottom: 8px;
    letter-spacing: 4px;
  }

  .feature-desc {
    font-size: 13px;
    color: #666666;
    line-height: 1.6;
    max-width: 140px;
    margin-left: auto;
    margin-right: auto;
  }

  .feature-line {
    width: 30px;
    height: 2px;
    background: #D4A574;
    margin: 8px auto 0;
  }

  /* === Intro Section === */
  .intro-section {
    padding: 96px 0;
    background: #F8F6F3;
  }

  .intro-grid {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-align: center;
    align-items: center;
    gap: 80px;
  }

  .intro-image {
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
  }

  .intro-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
  }

  .intro-text {
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
  }

  .intro-tag {
    font-size: 12px;
    color: #D4A574;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    text-transform: uppercase;
  }

  .intro-title {
    font-size: 30px;
    font-weight: 700;
    color: #0F0F0F;
    margin-bottom: 20px;
    line-height: 1.25;
  }

  .intro-subtitle {
    font-size: 17px;
    color: #666666;
    line-height: 1.8;
    margin-bottom: 40px;
  }

  .intro-stats {
    display: -ms-flexbox;
    display: flex;
    gap: 48px;
  }

  .stat-item {
    text-align: center;
    display: inline-block;
    margin: 0 20px;
  }

  .stat-number {
    font-size: 40px;
    font-weight: 700;
    color: #D4A574;
  }

  .stat-label {
    font-size: 14px;
    color: #666666;
    margin-top: 4px;
  }

  /* === Invest Section === */
  .invest-section {
    padding: 96px 0;
    background: #0F0F0F;
  }

  .invest-content {
    color: #FFFFFF;
  }

  .invest-cards {
    display: -ms-flexbox !important;
    display: flex !important;
    gap: 32px;
    margin-top: 48px;
  }

  .invest-card {
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 40px 32px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.2);
    margin-right: 32px;
  }

  .invest-card:last-child {
    margin-right: 0;
  }

  .invest-card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
  }

  .invest-card-title {
    font-size: 22px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 12px;
  }

  .invest-card-desc {
    font-size: 15px;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
  }

  .invest-cta {
    text-align: center;
    margin-top: 48px;
  }

  .invest-phone {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 20px;
  }

  .invest-phone strong {
    font-size: 24px;
    color: #FFFFFF;
  }

  /* === News Section === */
  .news-section {
    padding: 96px 0;
    background: #FFFFFF;
  }

  .news-header {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -ms-flex-align: center;
    align-items: center;
    margin-bottom: 48px;
  }

  .news-more {
    font-size: 15px;
    color: #D4A574;
    text-decoration: none;
  }

  .news-grid {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 24px;
  }

  .news-card {
    -ms-flex: 0 0 calc(25% - 18px);
    flex: 0 0 calc(25% - 18px);
    max-width: calc(25% - 18px);
    background: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    display: block;
    border: 1px solid #E8E5E0;
    margin-right: 24px;
    margin-bottom: 24px;
  }

  .news-card:nth-child(4n) {
    margin-right: 0;
  }

  .news-card-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: #F8F6F3;
  }

  .news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .news-card-body {
    padding: 24px;
  }

  .news-card-title {
    font-size: 20px;
    font-weight: 700;
    color: #0F0F0F;
    margin-bottom: 8px;
    line-height: 1.4;
  }

  .news-card-meta {
    margin-bottom: 12px;
  }

  .news-card-date {
    font-size: 13px;
    color: #999999;
  }

  .news-card-desc {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
  }

  .news-card-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    color: #D4A574;
    font-weight: 500;
  }

  /* === Help Section（主页） === */
  [data-page="home"] .help-section {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
    background: url('../images/five_5.png') center / cover no-repeat;
  }

  .help-bg {
    /* IE: 背景图直接挂在 .help-section 上，.help-bg 隐藏 */
    display: none;
  }

  .help-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(15,15,15);
    filter: alpha(opacity=85);
    opacity: 0.85;
    z-index: 1;
  }

  .help-content {
    position: relative;
    z-index: 2;
    color: #FFFFFF;
  }

  .help-services {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-pack: center;
    justify-content: center;
    margin-top: 60px;
  }

  .help-service {
    text-align: center;
    margin-right: 60px;
  }

  .help-service:last-child {
    margin-right: 0;
  }

  .help-service-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    background: rgba(212,165,116,0.1);
    border: 1px solid rgba(212,165,116,0.2);
    border-radius: 50%;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
  }

  .help-service-icon img {
    width: 36px;
    height: 36px;
  }

  .help-service-name {
    font-size: 17px;
    font-weight: 400;
    color: #FFFFFF;
    letter-spacing: 4px;
  }

  .help-cta {
    text-align: center;
    margin-top: 48px;
  }

  /* === Footer === */
  .site-footer {
    background: #0A0A0A;
    color: #AAAAAA;
    padding: 60px 0 0;
  }

  .footer-hotline {
    background: #0F0F0F;
    border-bottom: 1px solid rgba(212,165,116,0.15);
    padding: 20px 0;
  }

  .footer-hotline-inner {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    gap: 24px;
    color: #FFFFFF;
    font-size: 15px;
    flex-wrap: wrap;
  }

  .footer-hotline-item {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    gap: 8px;
    margin-right: 24px;
  }

  .footer-hotline-item:last-of-type {
    margin-right: 0;
  }

  .footer-hotline-item img {
    width: 20px;
    height: 20px;
  }

  .footer-hotline-item strong {
    font-size: 22px;
    color: #D4A574;
  }

  .footer-hotline-divider {
    width: 1px;
    height: 20px;
    background: rgba(255,255,255,0.15);
    margin-right: 24px;
  }

  .footer-hotline-slogan {
    font-size: 14px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 2px;
  }

  .footer-main {
    padding: 64px 0 40px;
  }

  .footer-grid {
    display: -ms-flexbox !important;
    display: flex !important;
    gap: 40px;
  }

  .footer-section {
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
  }

  .footer-section-title {
    font-size: 17px;
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: 24px;
    padding-bottom: 12px;
    letter-spacing: 2px;
    position: relative;
  }

  .footer-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: #D4A574;
  }

  .footer-section p,
  .footer-section a {
    font-size: 15px;
    color: #AAAAAA;
    line-height: 1.7;
    text-decoration: none;
  }

  .footer-section a:hover {
    color: #D4A574;
  }

  .footer-bottom {
    border-top: 1px solid #333333;
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: #666666;
  }

  /* === 移动端菜单 === */
  .nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#80000000,endColorstr=#80000000);
    z-index: 1050;
  }

  .nav-overlay.active {
    display: block;
  }

  .mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: #FFFFFF;
    z-index: 1080;
    padding: 80px 32px 32px;
    box-shadow: -4px 0 20px rgba(0,0,0,0.2);
  }

  .mobile-drawer.active {
    display: block;
  }

  .mobile-drawer .nav-link {
    display: block;
    padding: 16px;
    font-size: 18px;
    color: #2D2D2D !important;
    border-bottom: 1px solid #E8E5E0;
  }

  .mobile-phone {
    margin-top: 32px;
    padding: 16px;
    text-align: center;
    color: #666666;
  }

  .mobile-phone strong {
    display: block;
    font-size: 20px;
    color: #B8895A;
    margin-top: 8px;
  }

  /* === Banner 页面 === */
  .page-banner {
    position: relative;
    height: 520px;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    overflow: hidden;
  }

  .page-banner-bg {
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    bottom: 0;
    background-size: 100% 100%;
    background-position: center top;
  }

  .page-banner-overlay {
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1;
  }

  .page-banner-content {
    position: absolute;
    top: 64px;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    text-align: center;
    color: #FFFFFF;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
  }

  .page-banner-title {
    font-size: 44px;
    font-weight: 700;
    letter-spacing: 8px;
    margin-bottom: 16px;
  }

  .page-banner-title-sub {
    font-size: 17px;
    color: rgba(255,255,255,0.65);
    letter-spacing: 4px;
  }

  /* === 内容区域 === */
  .page-content {
    padding: 80px 0;
    background: #FFFFFF;
  }

  /* page.css 内页 Header 偏移（IE11 变量降级） */
  .page-banner {
    /* page.css line 9: padding-top: var(--header-height) */
    padding-top: 64px !important;
  }

  /* 文章详情页侧边栏 sticky */
  .article-sidebar .sidebar-card {
    top: 64px !important;
  }

  /* 企业动态页面 */
  .gallery-section {
    padding: 80px 0;
    background: #FFFFFF;
  }

  .gallery-image {
    margin-bottom: 32px;
  }

  .gallery-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
  }

  /* === 企业动态列表 item 样式 === */
  .news-item {
    display: -ms-flexbox;
    display: flex;
    gap: 24px;
    padding: 24px;
    background: #FFFFFF;
    border-radius: 8px;
    margin-bottom: 20px;
    text-decoration: none;
    border: 1px solid #E8E5E0;
  }

  .news-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  }

  .news-item-img {
    width: 240px;
    min-width: 240px;
    height: 160px;
    overflow: hidden;
    border-radius: 8px;
    background: #F8F6F3;
  }

  .news-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .news-item-body {
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    -ms-flex-pack: center;
    justify-content: center;
  }

  .news-item-title {
    font-size: 20px;
    font-weight: 700;
    color: #0F0F0F;
    margin-bottom: 8px;
    line-height: 1.4;
  }

  .news-item-date {
    font-size: 13px;
    color: #999999;
    margin-bottom: 12px;
  }

  .news-item-desc {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
  }

  /* === 帮助中心页面 IE 样式降级 === */
  [data-page="help"] .help-section {
    padding: 48px 0 96px;
    background: #FAF8F5;
  }

  .help-layout {
    min-height: 500px;
  }

  .help-tabs {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-pack: justify;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 40px;
  }

  .help-tab {
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    gap: 14px;
    padding: 28px 20px;
    background: #FFFFFF;
    border: 2px solid transparent;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    cursor: pointer;
    text-decoration: none;
    overflow: hidden;
    margin-right: 20px;
  }

  .help-tab:last-child {
    margin-right: 0;
  }

  .help-tab:hover {
    border-color: #F5EDE4;
  }

  .help-tab.active {
    border-color: #D4A574;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08), 0 8px 32px rgba(212,165,116,0.15);
  }

  .help-tab-icon {
    width: 48px;
    height: 48px;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    font-size: 26px;
    color: #D4A574;
    background: #F5EDE4;
    border-radius: 12px;
  }

  .help-tab.active .help-tab-icon {
    background: #D4A574;
    color: #FFFFFF;
  }

  .help-tab-label {
    font-size: 16px;
    font-weight: 600;
    color: #2D2D2D;
    letter-spacing: 1px;
  }

  .help-tab.active .help-tab-label {
    color: #0F0F0F;
  }

  .help-tab-desc {
    font-size: 13px;
    color: #999999;
  }

  [data-page="help"] .help-content {
    background: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    overflow: hidden;
  }

  .help-content-title-bar {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    gap: 16px;
    padding: 32px 56px 24px;
    border-bottom: 1px solid #E8E5E0;
  }

  .help-content-title-text h2 {
    font-size: 24px;
    font-weight: 700;
    color: #0F0F0F;
    letter-spacing: 2px;
    margin: 0;
  }

  .help-content-title-text p {
    font-size: 14px;
    color: #999999;
    margin: 4px 0 0;
    letter-spacing: 1px;
  }

  .help-content-body {
    font-size: 16px;
    color: #2D2D2D;
    line-height: 2;
    padding: 2px 0;
  }

  .help-content-body p {
    margin-bottom: 20px;
  }

  .help-content-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 16px 0;
  }

  .help-content-body a {
    color: #B8895A;
    text-decoration: underline;
  }

  .help-content-inner {
    padding: 48px 56px;
  }

  .help-loading {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 20px;
    padding: 48px 56px;
  }

  .help-loading-line {
    height: 16px;
    background: #E8E5E0;
    border-radius: 4px;
  }

  /* IE 禁用 shimmer 动画 */
  .help-loading-line {
    animation: none !important;
  }

  .help-empty {
    text-align: center;
    padding: 80px 40px;
  }

  .help-empty-icon {
    font-size: 48px;
    color: #999999;
    margin-bottom: 16px;
  }

  .help-empty-text {
    font-size: 16px;
    color: #999999;
    letter-spacing: 1px;
  }

  /* === 文章详情页面 IE 样式降级 === */
  .article-layout {
    display: -ms-flexbox !important;
    display: flex !important;
    gap: 48px;
  }

  .article-main {
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
    background: #FFFFFF;
    border-radius: 12px;
    padding: 48px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  }

  .article-sidebar {
    width: 320px;
    min-width: 320px;
  }

  .article-title {
    font-size: 30px;
    font-weight: 700;
    color: #0F0F0F;
    line-height: 1.5;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }

  .article-meta {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    gap: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid #E8E5E0;
    margin-bottom: 32px;
  }

  .article-date {
    font-size: 15px;
    color: #999999;
  }

  .article-body {
    font-size: 16px;
    color: #2D2D2D;
    line-height: 2;
  }

  .article-body p {
    margin-bottom: 16px;
  }

  .article-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 16px 0;
  }

  .sidebar-card {
    background: #FFFFFF;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    margin-bottom: 24px;
  }

  .sidebar-card-title {
    font-size: 17px;
    font-weight: 600;
    color: #0F0F0F;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #D4A574;
    letter-spacing: 2px;
  }

  .sidebar-phone p {
    font-size: 15px;
    color: #999999;
    margin-bottom: 8px;
  }

  .sidebar-phone strong {
    font-size: 26px;
    color: #B8895A;
  }

  .sidebar-article-item {
    padding: 12px 0;
    border-bottom: 1px solid #E8E5E0;
  }

  .sidebar-article-link {
    font-size: 15px;
    color: #2D2D2D;
    line-height: 1.6;
    display: block;
    overflow: hidden;
    text-decoration: none;
  }

  .sidebar-article-link:hover {
    color: #B8895A;
  }

  .sidebar-article-date {
    font-size: 13px;
    color: #999999;
    margin-top: 6px;
  }

  /* === 联系我们页面 === */
  .contact-grid {
    display: -ms-flexbox !important;
    display: flex !important;
    max-width: 1000px;
    margin: 0 auto;
  }

  .contact-card {
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
    background: #FFFFFF;
    border-radius: 12px;
    padding: 36px 28px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    text-align: center;
    border-top: 3px solid #D4A574;
    margin-right: 28px;
  }

  .contact-card:last-child {
    margin-right: 0;
  }

  .contact-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #0F0F0F;
    margin-bottom: 24px;
    letter-spacing: 2px;
  }

  .contact-card p {
    font-size: 16px;
    color: #666666;
    line-height: 2;
    margin-bottom: 8px;
  }

  .contact-card p:last-child {
    margin-bottom: 0;
  }

  .contact-card strong {
    color: #B8895A;
    font-weight: 600;
  }

  .contact-card-icon {
    font-size: 36px;
    margin-bottom: 12px;
  }

  /* === 招聘页面 === */
  .recruit-grid {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
  }

  .recruit-card {
    -ms-flex: 0 0 calc(50% - 14px);
    flex: 0 0 calc(50% - 14px);
    max-width: calc(50% - 14px);
    background: #FFFFFF;
    border-radius: 12px;
    padding: 36px 32px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    margin-bottom: 28px;
  }

  .recruit-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #0F0F0F;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid #F5EDE4;
    letter-spacing: 2px;
    position: relative;
  }

  .recruit-card h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: #D4A574;
  }

  .recruit-card p {
    font-size: 16px;
    color: #666666;
    line-height: 1.9;
    margin-bottom: 10px;
  }

  .recruit-card p:last-child {
    margin-bottom: 0;
  }

  .recruit-card strong {
    color: #2D2D2D;
    font-weight: 600;
  }

  .benefits-grid {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-top: 20px;
  }

  .benefit-tag {
    display: -ms-inline-flexbox;
    display: inline-flex;
    -ms-flex-align: center;
    align-items: center;
    padding: 8px 20px;
    font-size: 15px;
    color: #0F0F0F;
    background: #F5EDE4;
    border-radius: 9999px;
    letter-spacing: 1px;
    margin-right: 12px;
    margin-bottom: 12px;
  }

  /* === 404 页面 === */
  .page-404 {
    min-height: 100vh;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
    background: #F8F6F3;
  }

  .page-404-number {
    font-size: 120px;
    font-weight: 700;
    color: #D4A574;
    line-height: 1;
    padding-top: 80px;
  }

  .page-404-title {
    font-size: 32px;
    font-weight: 700;
    color: #0F0F0F;
    margin: 20px 0;
  }

  .page-404-desc {
    font-size: 16px;
    color: #666666;
    line-height: 1.8;
    margin-bottom: 32px;
  }

  .page-404-timer {
    font-size: 14px;
    color: #999999;
    margin-top: 16px;
  }

  /* ========================================
     动画降级：IE 不支持 CSS 动画
     ======================================== */
  .fade-in,
  .fade-in-left,
  .fade-in-right,
  .fade-in-scale,
  .slide-up {
    opacity: 1 !important;
    -ms-transform: none !important;
    transform: none !important;
    visibility: visible !important;
  }

  /* ========================================
     object-fit 降级
     ======================================== */
  .news-card-img img,
  .intro-image img,
  .gallery-image img {
    width: 100%;
    height: auto;
  }

  /* ========================================
     IE 图片占位符样式
     ======================================== */
  .ie-placeholder-img {
    background: #F0F0F0;
    min-height: 100px;
    display: inline-block;
  }

  .ie-bg-placeholder {
    background-image: none !important;
    background-color: #F0F0F0 !important;
    min-height: 200px;
  }

  /* ========================================
     IE11 滚动条
     ======================================== */
  body {
    -ms-overflow-style: scrollbar;
  }

  /* ========================================
     Right Sidebar IE 降级
     ======================================== */
  .right-sidebar {
    position: fixed;
    right: 0;
    top: 50%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    z-index: 900;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    border-radius: 12px 0 0 12px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.12);
  }

  .sidebar-item {
    width: 56px;
    padding: 14px 0;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    background: #0F0F0F;
    cursor: pointer;
    position: relative;
  }

  .sidebar-item:hover {
    background: #3A3A3A;
  }

  .sidebar-item + .sidebar-item {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .sidebar-icon {
    width: 22px;
    height: 22px;
    color: rgba(255, 255, 255, 0.85);
  }

  .sidebar-item:hover .sidebar-icon {
    color: #D4A574;
  }

  .sidebar-popup {
    position: absolute;
    right: 66px;
    top: 50%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    background: #FFFFFF;
    border-radius: 8px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.12);
    padding: 16px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .sidebar-popup::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    -ms-transform: translateY(-50%) rotate(45deg);
    transform: translateY(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: #FFFFFF;
    box-shadow: 2px -2px 4px rgba(0,0,0,0.05);
  }

  .sidebar-item:hover .sidebar-popup {
    opacity: 1;
    visibility: visible;
    right: 62px;
    pointer-events: auto;
  }

  .sidebar-popup-text {
    font-size: 14px;
    color: #666666;
    margin-bottom: 8px;
  }

  .sidebar-popup-qr {
    width: 140px;
    height: auto;
    border-radius: 4px;
  }

  .sidebar-popup-phone {
    font-size: 15px;
    color: #0F0F0F;
    font-weight: 600;
  }

  .sidebar-popup-phone strong {
    color: #B8895A;
    font-size: 20px;
  }

  /* ========================================
     IE11 过渡效果禁用
     ======================================== */
  * {
    transition: none !important;
    animation: none !important;
  }

  /* ========================================
     IE11 响应式
     ======================================== */
  @media screen and (max-width: 768px) {
    .page-banner {
      height: 300px;
    }
  }
}

/* ========================================
   html.ie 覆盖（不依赖 @media，更可靠）
   ======================================== */
html.ie [data-page="home"] .help-section {
  background: url('../images/five_5.png') center / cover no-repeat;
}
html.ie .help-bg {
  display: none;
}
html.ie .footer-hotline-item img {
  margin-right: 8px;
}
html.ie .footer-hotline-item strong {
  margin-left: 6px;
}

/* html.ie Right Sidebar 降级 */
html.ie .sidebar-item {
  background: #0F0F0F;
}
html.ie .sidebar-item:hover {
  background: #3A3A3A;
}
html.ie .sidebar-popup {
  background: #FFFFFF;
}
html.ie .sidebar-popup::after {
  background: #FFFFFF;
}
html.ie .sidebar-popup-text {
  color: #666666;
}
html.ie .sidebar-popup-phone {
  color: #0F0F0F;
}
html.ie .sidebar-popup-phone strong {
  color: #B8895A;
}
html.ie .sidebar-icon {
  color: rgba(255, 255, 255, 0.85);
}
html.ie .sidebar-item:hover .sidebar-icon {
  color: #D4A574;
}

@media screen and (max-width: 768px) {
  .header-nav {
    display: none !important;
  }

  .header-phone {
    display: none !important;
  }

  .hamburger {
    display: block !important;
  }

  .feature-strip-inner {
    -ms-flex-direction: column;
    flex-direction: column;
  }

  .feature-item {
    margin-bottom: 32px;
  }

  .invest-cards {
    -ms-flex-direction: column;
    flex-direction: column;
  }

  .invest-card {
    margin-right: 0;
    margin-bottom: 24px;
  }

  .news-grid {
    -ms-flex-direction: column;
    flex-direction: column;
  }

  .news-card {
    max-width: 100% !important;
    -ms-flex: none !important;
    flex: none !important;
    margin-right: 0;
    margin-bottom: 24px;
  }

  .intro-grid {
    -ms-flex-direction: column;
    flex-direction: column;
  }

  .intro-image {
    margin-bottom: 40px;
  }

  .footer-grid {
    -ms-flex-direction: column;
    flex-direction: column;
  }

  .footer-section {
    margin-bottom: 32px;
  }

  .hero-title {
    font-size: 32px;
  }

  .contact-grid {
    -ms-flex-direction: column;
    flex-direction: column;
    padding: 0 16px;
  }

  .contact-card {
    margin-right: 0;
    margin-bottom: 20px;
    padding: 28px 20px;
  }

  .contact-card h3 {
    font-size: 20px;
  }

  .contact-card p {
    font-size: 15px;
  }

  .recruit-card {
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: 20px;
    padding: 28px 24px;
  }

  .benefit-tag {
    padding: 6px 16px;
    font-size: 14px;
  }

  .page-banner-title {
    font-size: 28px;
  }
}