@media (max-width: 768px) {
  .page-cross-border {
    overflow-x: hidden;
  }

  .page-cross-border .container {
    width: 100%;
    max-width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
  }

  /* ---------- 首屏（group_2 / text_5–8 / group_4 光晕） ---------- */
  .cross-hero {
    height: auto;
    min-height: clamp(380px, 123vw, 520px);
    background-image: url('../assets/images/cross-border/cross-hero-main-bg@2x_m.png');
  }

  .cross-hero::after {
    display: none;
  }

  .cross-hero__inner {
    padding: clamp(20px, 5vw, 36px) 15px clamp(28px, 8vw, 48px);
    height: auto;
  }

  .cross-hero__copy {
    max-width: 100%;
  }

  .cross-hero__en {
    margin-top: 4px;
    font-size: clamp(11px, 3.2vw, 16px);
    letter-spacing: 0.04em;
  }

  .cross-hero__title {
    margin-top: 8px;
    font-size: clamp(20px, 8vw, 30px);
  }

  .cross-hero__title::before {
    width: clamp(64px, 20vw, 128px);
    height: 6px;
  }

  .cross-hero__lead,
  .cross-hero__desc {
    margin-top: clamp(14px, 3.5vw, 22px);
    font-size: clamp(12px, 3.5vw, 15px);
    line-height: 1.75;
    max-width: 100%;
  }

  .cross-hero__lead {
    margin-top: 20px;
  }

  .cross-hero__desc {
    margin-top: 10px;
  }

  /* ---------- 介绍区（group_5–9：左红线 + 大标题 + 数据条） ---------- */
  .cross-intro {
    padding: clamp(20px, 10vw, 28px) 0;
  }

  .cross-intro__inner {
    display: block;
  }

  .cross-intro__content {
    border-left: 4px solid #d82f2f;
    padding-left: clamp(14px, 4vw, 20px);
  }

  .cross-intro__content::before {
    display: none;
  }

  .cross-intro__kicker {
    font-size: clamp(20px, 5.5vw, 28px);
  }

  .cross-intro h2 {
    margin-top: 4px;
    max-width: none;
    font-size: clamp(22px, 6.2vw, 30px);
    line-height: 1.35;
  }

  .cross-intro p {
    margin-top: clamp(12px, 3vw, 18px);
    max-width: none;
    font-size: 12px;
    line-height: 1.65;
    color: #666;
  }

  .cross-stats {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: flex-start;
    gap: clamp(8px, 2vw, 14px) clamp(10px, 3vw, 20px);
    margin-top: clamp(28px, 7vw, 40px);
    grid-template-columns: none;
    column-gap: normal;
  }

  .cross-stats div {
    min-width: 0;
    flex: 1 1 calc(33.333% - 12px);
    min-width: 5.5rem;
  }

  .cross-stats__number {
    height: 33px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    object-position: left bottom;
  }

  .cross-stats dd {
    margin: 6px 0 0;
    font-size: clamp(12px, 3.2vw, 14px);
    line-height: 1.35;
  }

  .cross-intro__media {
    margin-top: clamp(28px, 7vw, 40px);
    min-height: 0;
  }

  .cross-intro__media::before {
    left: -10px;
    bottom: -12px;
    width: 100px;
    height: 100px;
  }

  .cross-intro .cross-intro__kicker {
    color: #000;
    font-size: 15px;
  }

  /* ---------- 产品区（group_12–13：底图 + SERVICES 水印 + Tab + 列表） ---------- */
  .cross-products {
    padding: 28px 15px;
  }

  .cross-products__inner {
    min-height: 0;
    width: auto;
    max-width: calc(100% - 30px);
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  .cross-products__watermark {
    display: block;
    position: absolute;
    z-index: 0;
    left: 50%;
    top: clamp(52px, 14vw, 72px);
    transform: translateX(-50%);
    width: max-content;
    max-width: 100%;
    margin: 0;
    font-family: var(--font-family-oswald);
    font-weight: 500;
    font-size: clamp(56px, 15vw, 86px);
    line-height: 1;
    letter-spacing: clamp(0.12em, 2.5vw, 0.2em);
    color: rgba(255, 255, 255, 0.08);
    text-align: center;
    white-space: nowrap;
    pointer-events: none;
  }

  .cross-tabs {
    position: relative;
    z-index: 1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin: 0;
  }

  .cross-tab {
    min-height: 55px;
    padding: clamp(14px, 4vw, 20px) clamp(12px, 3vw, 18px);
    gap: clamp(10px, 2.5vw, 18px);
  }

  .cross-tab__icon-registration {
    width: auto;
    height: 22px;
  }

  .cross-tab__icon-bank {
    width: auto;
    height: 19px;
  }

  .cross-tab strong {
    font-size: 14px;
  }

  .cross-tab em {
    display: none;
  }

  .cross-tab::after {
    bottom: -10px;
    border-left-width: 10px;
    border-right-width: 10px;
    border-top-width: 10px;
  }

  .cross-panel {
    position: relative;
    z-index: 1;
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(12px, 3.2vw, 18px);
    padding: clamp(28px, 7vw, 40px) clamp(14px, 4vw, 22px) clamp(32px, 8vw, 44px);
  }

  .cross-card {
    min-height: clamp(72px, 32vw, 74px);
    padding: 10px 12px;
    gap: clamp(12px, 3vw, 20px);
    box-shadow: 0 6px 14px rgba(7, 17, 31, 0.1);
  }

  .cross-card:hover {
    transform: none;
    box-shadow: 0 6px 14px rgba(7, 17, 31, 0.1);
    background: #f6f6f6;
  }

  .cross-card:hover .cross-card__arrow {
    background-image: url('../assets/images/cross-border/card-arrow@2x.png');
  }

  .cross-card > img:not(.cross-card__arrow) {
    width: 72px;
    height: auto;
    flex-shrink: 0;
  }

  .cross-card__arrow {
    width: 32px;
    height: 32px;
  }

  .cross-card strong {
    font-size: clamp(15px, 4.2vw, 18px);
  }

  .cross-card em {
    font-size: clamp(11px, 3vw, 13px);
    margin-top: 4px;
  }

  [data-cross-panel='registration'] .cross-card strong,
  [data-cross-panel='bank'] .cross-card strong {
    font-size: clamp(15px, 4.2vw, 18px);
  }

  /* ---------- 六大核心（group_14：浅灰底 + 白卡片 + 阴影） ---------- */
  .cross-core {
    padding: clamp(48px, 12vw, 64px) 0 clamp(56px, 14vw, 80px);
  }

  .cross-core__header {
    margin-bottom: clamp(22px, 6vw, 32px);
    max-width: none;
    padding: 0 4px;
  }

  .cross-core__header h2 {
    font-size: 18px;
    line-height: 1.35;
  }

  .cross-core__header p {
    margin-top: 10px;
    font-size: 12px;
    line-height: 1.65;
  }

  .cross-core__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(14px, 3.5vw, 20px);
  }

  .cross-core-card {
    min-height: 0;
    padding: clamp(28px, 7vw, 40px) clamp(18px, 5vw, 24px) clamp(24px, 6vw, 32px);
    box-shadow: 0 4px 7px 2px rgba(0, 0, 0, 0.05);
  }

  .cross-core-card:hover {
    transform: none;
    box-shadow: 0 4px 7px 2px rgba(0, 0, 0, 0.05);
  }

  .cross-core-card img {
    max-width: 53px;
    height: auto;
    margin-bottom: clamp(14px, 4vw, 20px);
  }

  .cross-core-card h3 {
    font-size: 18px;
    line-height: 1.4;
    margin-bottom: 8px;
  }

  .cross-core-card p {
    max-width: none;
    font-size: 12px;
    line-height: 1.65;
  }
}