.landing-footer {
  background-color: #01032c;
  color: #fff;
  /* Footer spacing: fluid + responsive */
  padding: clamp(36px, 4.2vw, 64px) 0 clamp(24px, 2.4vw, 32px);
}

.landing-footer__container {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}

@media (min-width: 1200px) {
  .landing-footer__container {
    max-width: 88.88888vw;
  }
}

.landing-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

/* 768-1024：改为两列（左信息 + 右表单），避免列太多导致挤压错乱 */
@media (min-width: 768px) and (max-width: 1024px) {
  .landing-footer__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    column-gap: 32px;
    row-gap: 28px;
    align-items: start;
  }

  /* 右侧表单固定在第二列 */
  .landing-footer__grid > .landing-footer__form-card {
    grid-column: 2;
    /* 避免跨太多隐式行导致高度异常 */
    grid-row: 1 / span 3;
    justify-self: end;
    max-width: 360px;
    width: 100%;
  }

  /* 左侧其它内容全部放第一列，按顺序自然换行 */
  .landing-footer__grid > :not(.landing-footer__form-card) {
    grid-column: 1;
  }

  /* 左侧 YACHT 两列仍保留 */
  .landing-footer__list.landing-footer__list--nav-columns {
    column-count: 2;
    column-gap: 24px;
  }
}

/* >=1025：6列非等宽（桌面端） */
@media (min-width: 1025px) {
  .landing-footer__grid {
    /* 6列非等宽：列宽不同，但列间距(column-gap)一致；YACHT 跨两列 */
    grid-template-columns: 240px 2.25fr 1.25fr 0.95fr 1.65fr;
    column-gap: 48px;
    row-gap: 32px;
    align-items: start;
  }

  .landing-footer__form-card {
    max-width: 460px;
    width: 100%;
  }
}

/* 1920+：页脚文字/间距按比例变大（2000→20px, 3000→30px） */
@media (min-width: 1921px) {
  .landing-footer__container {
    padding-left: calc(0.8vw + 24px);
    padding-right: calc(0.8vw + 24px);
  }

  .landing-footer__grid {
    column-gap: calc(1.6vw + 16px); /* 2000→48, 3000→64 */
    row-gap: calc(0.8vw + 8px);     /* 2000→24, 3000→32 */
    grid-template-columns: 240px 2.25fr 1.25fr 0.95fr 1.9fr;
  }

  .landing-footer__form-card {
    max-width: calc(0.8vw + 460px);
    width: 100%;
  }

  .landing-footer__form {
    gap: calc(0.3vw + 8px);
  }

  .landing-footer__textarea {
    min-height: calc(1.2vw + 72px);
  }

  .landing-footer__heading {
    font-size: 1vw;                 /* 2000→20, 3000→30 */
    line-height: 1.4;
    margin-bottom: calc(0.6vw + 4px);/* 2000→16, 3000→22 */
  }

  .landing-footer__link,
  .landing-footer__meta {
    font-size: calc(0.4vw + 10px);  /* 2000→18, 3000→22 */
    line-height: 1.6;
  }

  .landing-footer__meta {
    gap: calc(0.3vw + 2px);         /* 2000→8, 3000→11 */
  }

  .landing-footer__meta-icon {
    width: calc(0.2vw + 12px);      /* 2000→16, 3000→18 */
    height: calc(0.2vw + 12px);
  }

  .landing-footer__input,
  .landing-footer__textarea {
    font-size: calc(0.4vw + 8px);   /* 2000→16, 3000→20 */
    padding: calc(0.2vw + 6px) calc(0.6vw + 4px);
  }

  .landing-footer__submit {
    font-size: calc(0.4vw + 10px);  /* 2000→18, 3000→22 */
    padding: calc(0.2vw + 6px) calc(0.8vw + 8px);
  }

  .landing-footer__copy {
    font-size: calc(0.3vw + 8px);   /* 2000→14, 3000→17 */
  }
}

/* 1570px 左右：改为 2 行 3 列布局（更稳、更不挤） */
@media (min-width: 1025px) and (max-width: 1570px) {
  .landing-footer__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 40px;
    row-gap: 28px;
  }

  /* 第一行：LOGO / YACHT / COMPANY */
  .landing-footer__brand {
    grid-column: 1;
  }
  .landing-footer__col--yacht {
    grid-column: 2;
  }
  .landing-footer__col--company {
    grid-column: 3;
  }

  /* 第二行：CONTACT / FORM(跨两列) */
  .landing-footer__col--contact {
    grid-column: 1;
  }
  .landing-footer__form-card {
    grid-column: 2 / span 2;
    justify-self: stretch;
    max-width: none;
    width: 100%;
  }

  /* 该断点下取消 YACHT 跨两列的规则 */
  .landing-footer__col--yacht {
    grid-column: 2;
  }
}

.landing-footer__brand {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.landing-footer__logo {
  display: block;
  max-width: min(200px, 100%);
  height: auto;
  object-fit: contain;
}

@media (min-width: 768px) {

  .landing-footer__brand {
    justify-self: start;
  }

  .landing-footer__form-card {
    justify-self: end;
    max-width: 360px;
    width: 100%;
  }
}

.landing-footer__heading {
  font-size: 18px;
  line-height: 28px;
  font-weight: 600;
  margin: 0 0 16px;
}

.landing-footer__link {
  color: #D1D5D8;
  text-decoration: none;
  transition: color 0.15s ease;
}

.landing-footer__link:hover {
  color: #fff;
}

.landing-footer__link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.landing-footer__link-grid--nav {
  grid-template-columns: 1fr;
}

.landing-footer__list.landing-footer__list--nav-columns {
  display: block;
  column-count: 2;
  column-gap: 24px;
}

.landing-footer__list--nav-columns li {
  break-inside: avoid;
  margin-bottom: 8px;
}

.landing-footer__form-row--captcha {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
}

.landing-footer__captcha-img {
  height: 40px;
  width: auto;
  cursor: pointer;
  border-radius: 4px;
  border: 1px solid #d1d5db;
}

.landing-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.landing-footer__meta {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  color: #D1D5D8;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.landing-footer__meta-item {
  display: flex;
  align-items: center;
}

.landing-footer__meta-item--top {
  align-items: flex-start;
}

.landing-footer__meta-icon {
  margin-right: 8px;
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.landing-footer__meta-item--top .landing-footer__meta-icon {
  margin-top: 4px;
}

.landing-footer__social {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  row-gap: 12px;
}

.landing-footer__social-link {
  color: #D1D5D8;
  transition: color 0.15s ease;
}

.landing-footer__social-link:hover {
  color: #fff;
}

.landing-footer__social-link i {
  width: 26px;
  height: 26px;
  font-size: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.landing-footer__form-card {

  color: #1f2937;
}

.landing-footer__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.landing-footer__form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.landing-footer__form-row__code {
  /* 修复：原来 grid-template-columns 写法无效，导致断点时布局异常 */
  display: grid;
  grid-template-columns: repeat(minmax(0, 1fr));
  gap: 12px;
}

@media (max-width: 480px) {
  .landing-footer__form-row {
    grid-template-columns: 1fr;
  }
}

.landing-footer__form-row--single {
  grid-template-columns: 1fr;
}

.landing-footer__input,
.landing-footer__textarea {
  box-sizing: border-box;
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  line-height: 20px;
  font-family: inherit;
}

.landing-footer__textarea {
  min-height: 96px;
  resize: vertical;
}

.landing-footer__submit {
  width: 100%;
  box-sizing: border-box;
  background: #ffffff;
  color: #1f2937;
  border: none;
  border-radius: 12px;
  padding: 8px 24px;
  font-weight: 500;
  font-size: 16px;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}

.landing-footer__submit:hover {
  background: #2563eb;
  color: #ffffff;
}

.landing-footer__copy {
  margin-top: clamp(28px, 3.2vw, 48px);
  padding-top: clamp(20px, 2.4vw, 32px);
  border-top: 1px solid #374151;
  text-align: center;
  color: #9ca3af;
  font-size: 14px;
}

.landing-footer__copy p {
  margin: 0;
}

/* ------------------------------------------------------------
   Responsive breakpoints (per project standard)
------------------------------------------------------------ */

/* 1. 小屏手机（iPhone SE / 安卓小屏）*/
@media (max-width: 375px) {


  .landing-footer__container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .landing-footer__logo {
    max-width: 160px;
  }

  .landing-footer__heading {
    font-size: 16px;
    margin-bottom: 12px;
  }

  .landing-footer__social {
    gap: 22px;
  }

  .landing-footer__captcha-img {
    height: 34px;
  }
}

/* 2. 普通手机（主流竖屏）*/
@media (max-width: 480px) {

  .landing-footer__container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .landing-footer__grid {
    gap: 24px;
  }

  /* YACHT 两列在手机上改为 1 列，避免拥挤 */
  .landing-footer__list.landing-footer__list--nav-columns {
    column-count: 1;
    column-gap: 0;
  }


}

/* 3. 大屏手机 / 横屏手机 */
@media (max-width: 640px) {
  .landing-footer__container {
    padding-left: 20px;
    padding-right: 20px;
  }

  /* 640 及以下：整体居中（LOGO/标题/列表/联系方式/社交/表单） */
  .landing-footer__grid {
    justify-items: center;
  }

  .landing-footer__brand {
    justify-content: center;
  }

  .landing-footer__col {
    width: 100%;
    text-align: center;
  }

  .landing-footer__list,
  .landing-footer__meta {
    align-items: center;
  }

  .landing-footer__meta-item {
    justify-content: center;
  }

  .landing-footer__social {
    gap: 20px;
    justify-content: center;
  }

  .landing-footer__form-card {
    justify-self: center;
  }
}

/* 4. 平板竖屏 / 小屏笔记本 */
@media (max-width: 767px) {
  /* <=767：手机/小屏，单列堆叠 */
  .landing-footer__grid {
    grid-template-columns: 1fr;
  }

  /* 小屏隐藏 COMPANY 栏 */
  .landing-footer__col--company {
    display: none;
  }

  .landing-footer__brand {
    justify-content: flex-start;
  }

  .landing-footer__form-card {
    max-width: none;
    width: 100%;
  }

  /* Small screens: keep icon close to text */
  .landing-footer__meta-item {
    gap: 8px;
  }

  .landing-footer__meta-icon {
    margin-right: 0;
  }
}

/* 5. 平板横屏 / 轻薄本 */
@media (max-width: 1024px) {
  .landing-footer__container {
    padding-left: 24px;
    padding-right: 24px;
  }

  /* 轻薄本：缩小列间距，表单稍窄，信息更紧凑 */
  .landing-footer__grid {
    column-gap: 32px;
  }

  /* 1024 时隐藏 YACHT 栏 */
  .landing-footer__col--yacht {
    display: none;
  }
}

/* 6. 普通桌面显示器 */
@media (max-width: 1366px) {
  .landing-footer__grid {
    column-gap: 40px;
  }
}

/* 7. 2K 大屏 / 笔记本高分屏 */
@media (max-width: 1920px) {
  /* 默认样式已适配，无需额外调整 */
}

/* 8. 4K 大屏（3840×2160）*/
@media (min-width: 2560px) {


  .landing-footer__grid {
    column-gap: 56px;
  }

  .landing-footer__heading {
    font-size: 20px;
  }

  .landing-footer__logo {
    max-width: 240px;
  }

  .landing-footer__social-link i {
    width: 30px;
    height: 30px;
    font-size: 26px;
  }
}