/* ========================================
   大宅门 — 响应式 / 移动端自适应
   ======================================== */

.header-spacer {
  display: none;
}

/* ---------- 通用 ---------- */
@media (max-width: 1200px) {
  :root {
    --nav-pad-l: 40px;
    --nav-pad-r: 32px;
    --container: 100%;
  }

  html,
  body {
    overflow-x: hidden;
  }

  .container,
  .site-footer .footer-inner {
    width: 100%;
    max-width: 100%;
    padding-left: 24px;
    padding-right: 24px;
    box-sizing: border-box;
  }

  /* 案例详情报价条：Mac / 窄屏避免表单撑破白底面板 */
  .case-detail-quote {
    flex-wrap: wrap;
  }

  .case-detail-quote .quote-form {
    flex: 1 1 280px;
    min-width: 0;
  }

  .case-detail-quote .form-field {
    min-width: 0;
  }

  .page-hero {
    width: 100%;
    height: auto;
    aspect-ratio: 1520 / 762;
    min-height: 360px;
    max-height: none;
  }

  .feature-bar-inner {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding: 0 24px;
    box-sizing: border-box;
  }

  .dual-grid {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
  }

  .dual-card {
    width: calc(50% - 18px);
    max-width: 100%;
    height: 320px;
  }

  .quality-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: center;
    gap: 24px;
    min-height: auto;
  }

  .quality-card,
  .quality-card-media {
    width: 100%;
    max-width: 276px;
    margin-left: auto;
    margin-right: auto;
  }

  .guides-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    justify-content: center;
  }

  .guide-col,
  .guide-col-img {
    width: 100%;
    max-width: 374px;
    margin-left: auto;
    margin-right: auto;
  }

  .cases-gallery-grid,
  .related-cases-grid,
  .service-cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: center;
    gap: 20px;
  }

  .cases-gallery-grid .case-card,
  .cases-gallery-grid .case-card-img,
  .related-cases-grid .case-card,
  .related-cases-grid .case-card-img,
  .service-cases-grid .case-card,
  .service-cases-grid .case-card-img {
    width: 100%;
    max-width: 100%;
  }

  .cases-gallery-grid .case-card,
  .related-cases-grid .case-card,
  .service-cases-grid .case-card {
    height: auto;
  }

  .cases-gallery-grid .case-card-img,
  .related-cases-grid .case-card-img,
  .service-cases-grid .case-card-img {
    height: auto;
    aspect-ratio: 378 / 240;
  }

  .about-intro-grid,
  .about-culture-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-intro-img,
  .about-intro-img img,
  .about-culture-img,
  .about-culture-img img,
  .support-feature-media,
  .support-feature-media img {
    width: 100%;
    height: auto;
    max-width: 570px;
    margin: 0 auto;
  }

  .service-mosaic .mosaic-card,
  .service-mosaic .mosaic-card:nth-child(n) {
    width: calc(50% - 6px);
    max-width: 100%;
    height: 240px;
  }

  .feedback-panel {
    width: 100%;
    max-width: 100%;
  }

  .contact-feedback .btn,
  .feedback-actions .btn {
    min-width: 0;
  }

  /* 服务页：优势卡片 / 流程 / 免费服务 */
  .advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    justify-content: stretch;
  }

  .advantage-card {
    width: 100%;
    max-width: none;
    height: auto;
    min-height: 240px;
    flex-shrink: 1;
    padding: 28px 16px 20px;
  }

  .process-timeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px 16px;
    padding: 0;
    align-items: start;
  }

  .process-step,
  .process-step:nth-child(odd),
  .process-step:nth-child(even) {
    width: 100%;
    flex-shrink: 1;
    margin: 0;
    flex-direction: column-reverse;
  }

  .process-info p {
    max-width: none;
  }

  .free-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .free-card {
    width: 100%;
    max-width: none;
    flex-shrink: 1;
  }

  .free-card-img {
    height: auto;
    aspect-ratio: 285 / 475;
  }
}

/* ---------- 平板 / 手机导航 ---------- */
.nav-toggle {
  display: none;
  position: relative;
  z-index: 120;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-header.is-solid .nav-toggle span {
  background: var(--text);
}

.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 300;
  pointer-events: none;
  visibility: hidden;
}

.mobile-nav.is-open {
  pointer-events: auto;
  visibility: visible;
}

.mobile-nav-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-nav.is-open .mobile-nav-backdrop {
  opacity: 1;
}

.mobile-nav-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(320px, 86vw);
  height: 100%;
  background: #fff;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  padding: 72px 24px 32px;
  box-sizing: border-box;
  overflow-y: auto;
}

.mobile-nav.is-open .mobile-nav-panel {
  transform: translateX(0);
}

.mobile-nav-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  font-size: 28px;
  line-height: 1;
  color: #666;
  cursor: pointer;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-nav-link {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid #eee;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: bold;
  color: var(--text);
  letter-spacing: 1px;
}

.mobile-nav-link.active,
.mobile-nav-link:hover {
  color: var(--red);
}

.mobile-nav-phone {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #eee;
  color: var(--red);
}

.mobile-nav-phone .phone-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  flex-shrink: 0;
}

.mobile-nav-phone .phone-icon img {
  width: 16px;
  height: 16px;
  filter: brightness(0) invert(1);
}

.mobile-nav-phone .label {
  font-size: 12px;
  color: #999;
  margin-bottom: 4px;
}

.mobile-nav-phone strong {
  font-size: 18px;
  letter-spacing: 0.5px;
}

body.nav-open {
  overflow: hidden;
}

@media (max-width: 992px) {
  :root {
    --header-h: 64px;
    --nav-pad-l: 16px;
    --nav-pad-r: 16px;
    --nav-pad-t: 12px;
  }

  .site-header {
    height: var(--header-h);
    background: rgba(0, 0, 0, 0.35);
  }

  .site-header.is-solid {
    height: 72px;
  }

  .header-inner {
    align-items: center;
    min-height: var(--header-h);
    padding-top: var(--nav-pad-t);
    padding-bottom: 12px;
    display: grid;
    grid-template-columns: 44px 1fr 44px;
    align-items: center;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .nav-toggle {
    display: flex;
    grid-column: 1;
    justify-self: start;
  }

  .mobile-nav {
    display: block;
  }

  .header-logo {
    position: static;
    transform: none;
    grid-column: 2;
    justify-self: center;
    align-self: start;
    margin: 0;
    width: 44px;
    line-height: 0;
  }

  .header-logo img {
    width: 44px;
    height: auto;
    max-height: 66px;
    object-fit: contain;
    object-position: top center;
  }

  .site-header.is-solid .header-logo,
  .site-header.is-solid .header-logo img {
    width: 44px;
    max-height: 66px;
  }

  .header-spacer {
    display: block;
    grid-column: 3;
    width: 44px;
    height: 44px;
  }

  .section-title {
    font-size: 28px;
  }

  .page-hero {
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }

  .page-hero-content {
    padding: 60px 24px 0;
    max-width: 900px;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
  }

  .page-hero h1 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 16px;
  }

  .page-hero p {
    font-size: 15px;
    letter-spacing: 1px;
    opacity: 0.9;
  }

  .page-hero .scroll-hint {
    bottom: 24px;
  }

  .hero-slider {
    height: 520px;
  }

  .hero-content {
    padding: 120px 24px 0;
    align-items: flex-start;
  }

  .hero-content-inner h1 {
    font-size: 34px;
    white-space: normal;
  }

  .hero-content-inner .hero-desc {
    max-width: 100%;
    margin-bottom: 36px;
  }

  .feature-bar-inner {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 24px;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 20px 16px;
  }

  .feature-item {
    flex: 0 0 calc(50% - 8px);
  }

  .dual-card {
    width: 100%;
    max-width: 100%;
    height: 300px;
    flex-shrink: 1;
  }

  .cases-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .cases-slider-wrap,
  .reviews-slider-wrap {
    margin-left: 0;
    padding-left: 24px;
  }

  .cases-section .slider-track,
  .reviews-section .slider-track {
    padding-right: 24px;
  }

  .cases-section .case-slide,
  .cases-section .case-slide .case-card-img {
    flex: 0 0 min(85vw, 480px);
    width: min(85vw, 480px);
    max-width: min(85vw, 480px);
  }

  .cases-section .case-slide .case-card-img {
    height: auto;
    aspect-ratio: 602 / 396;
  }

  .review-card {
    flex: 0 0 min(85vw, 340px);
    width: min(85vw, 340px);
    max-width: min(85vw, 340px);
    height: auto;
    min-height: 220px;
  }

  .quote-bar-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .quote-form {
    flex-wrap: wrap;
  }

  .quote-form .form-field {
    flex: 1 1 calc(50% - 6px);
    min-width: 140px;
  }

  .quote-form .btn-primary {
    width: 100%;
    flex: 1 1 100%;
  }

  .cases-filter-quote {
    flex-direction: column;
    align-items: stretch;
  }

  .cases-filter-quote .quote-form {
    flex-direction: column;
  }

  .cases-filter-quote .quote-form .form-field,
  .cases-filter-quote .btn-primary {
    width: 100%;
    flex: none;
  }

  .footer-main {
    flex-wrap: wrap;
    gap: 28px 20px;
  }

  .footer-col {
    flex: 1 1 calc(33.333% - 20px);
    min-width: 120px;
  }

  .footer-service,
  .footer-qr {
    flex: 1 1 auto;
    margin-left: 0;
  }

  .news-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .news-sidebar {
    order: -1;
  }

  .support-feature-row,
  .support-feature-row.reverse {
    flex-direction: column;
    gap: 24px;
  }

  .support-feature-media,
  .support-feature-media img {
    width: 100%;
    height: auto;
  }

  .about-stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .service-cases-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .service-cases-header .tabs {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .service-cases-header .tab-item {
    font-size: 12px;
    padding: 0 12px;
    height: 32px;
  }

  .service-cases-grid .case-card,
  .service-cases-grid .case-card-img {
    width: 100%;
    height: auto;
  }

  .service-cases-grid .case-card-img {
    aspect-ratio: 378 / 240;
    height: auto;
  }

  .service-cases-grid .case-card {
    min-height: 0;
  }

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

  .advantage-card {
    min-height: 0;
    height: auto;
    padding: 24px 14px 18px;
  }

  .advantage-card h3 {
    font-size: 14px;
  }

  .process-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 20px;
  }

  .process-step,
  .process-step:nth-child(odd),
  .process-step:nth-child(even) {
    flex-direction: column-reverse;
    margin: 0;
    width: 100%;
  }

  .process-info h4 {
    font-size: 14px;
  }

  .process-note {
    flex-wrap: wrap;
    margin-top: 36px;
    font-size: 13px;
    text-align: center;
  }

  .free-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-detail-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .news-detail-layout .news-sidebar {
    order: -1;
  }

  .news-detail-title {
    font-size: 22px;
  }

  .cta-section {
    padding: 56px 0 64px;
  }

  .cta-form .btn {
    width: 100%;
    min-width: 0;
  }

  .float-sidebar {
    right: 8px;
    top: auto;
    bottom: 16px;
    transform: translateY(0) translateX(24px);
    z-index: 90;
  }

  .float-sidebar.is-visible {
    transform: translateY(0) translateX(0);
  }

  .float-sidebar-bar {
    width: 48px;
    min-height: 0;
    height: auto;
    padding: 10px 4px;
    border-radius: 24px;
    background: var(--red);
  }

  .float-sidebar-brand {
    display: none;
  }

  .float-item {
    padding: 8px 2px;
    font-size: 0;
    gap: 0;
  }

  .float-item span {
    display: none;
  }

  .float-item img {
    width: 18px;
    height: 18px;
  }

  .float-wechat-pop {
    right: calc(100% + 4px);
  }

  .float-wechat-pop__inner {
    gap: 8px;
    padding: 10px;
  }

  .float-wechat-pop__item {
    min-width: 84px;
  }

  .float-wechat-pop__item img {
    width: 84px;
    height: 84px;
  }

  .modal {
    width: min(480px, calc(100vw - 32px));
    margin: 16px;
  }

  .feedback-panel {
    padding: 32px 24px;
  }

  .feedback-row {
    grid-template-columns: 1fr 1fr;
  }

  .dual-card-btns,
  .mosaic-card .dual-card-btns {
    opacity: 1;
    transform: none;
    pointer-events: auto;
    margin-top: 16px;
  }

  .dual-card:hover .dual-card-content h3,
  .dual-card:hover .dual-card-content p,
  .mosaic-card:hover .mosaic-card-body h3,
  .mosaic-card:hover .mosaic-card-body p {
    transform: none;
  }

  .service-mosaic .mosaic-card,
  .service-mosaic .mosaic-card:nth-child(n) {
    width: 100%;
    height: auto;
    min-height: 260px;
    flex-shrink: 1;
    align-items: stretch;
  }

  .mosaic-card-body {
    padding: 24px 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .mosaic-card-body h3,
  .mosaic-card.large .mosaic-card-body h3 {
    font-size: 24px;
  }

  .mosaic-card-body p,
  .mosaic-card.large .mosaic-card-body p {
    max-width: 100%;
  }

  .mosaic-card .dual-card-btns {
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
  }

  .mosaic-card .dual-card-btns .btn {
    flex: 1 1 auto;
    min-width: 0;
    box-sizing: border-box;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .hero-slider {
    height: 460px;
  }

  .hero-content {
    padding-top: 96px;
  }

  .hero-content-inner h1 {
    font-size: 28px;
    letter-spacing: 1px;
  }

  .feature-bar {
    padding: 28px 0;
  }

  .feature-item {
    flex: 1 1 100%;
  }

  .dual-service,
  .guides-section,
  .reviews-section,
  .cases-section,
  .quality-section,
  .about-intro,
  .contact-info,
  .news-page,
  .service-mosaic-section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .quality-grid,
  .guides-grid,
  .cases-gallery-grid,
  .related-cases-grid,
  .service-cases-grid {
    grid-template-columns: 1fr;
  }

  .service-mosaic {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 12px;
  }

  .quality-card,
  .quality-card-media,
  .guide-col,
  .guide-col-img {
    max-width: none;
    width: 100%;
  }

  .quality-card-media {
    height: auto;
    aspect-ratio: 276 / 475;
  }

  .quality-section {
    min-height: 0;
  }

  .guides-grid {
    row-gap: 32px;
  }

  .about-intro-img,
  .about-intro-img img,
  .about-culture-img,
  .about-culture-img img,
  .support-feature-media,
  .support-feature-media img {
    max-width: none;
  }

  .advantages-section,
  .process-section,
  .free-services-section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .advantages-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .advantage-card {
    border-radius: 8px;
    padding: 22px 12px 16px;
  }

  .process-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 12px;
  }

  .process-icon-wrap {
    width: 64px;
    height: 64px;
  }

  .process-icon-wrap img {
    width: 30px;
    height: 30px;
  }

  .free-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }

  .contact-feedback {
    padding-bottom: 48px;
  }

  .feedback-panel {
    width: 100%;
    padding: 32px 20px;
  }

  .support-features {
    padding-top: 48px;
  }

  .support-faq {
    padding-bottom: 48px;
  }

  .about-intro-text h2,
  .about-culture-text h2,
  .support-feature-text h2 {
    font-size: 26px;
  }

  .service-mosaic .mosaic-card,
  .service-mosaic .mosaic-card:nth-child(n) {
    width: 100%;
    height: auto;
    min-height: 280px;
    flex-shrink: 1;
    align-items: stretch;
  }

  .mosaic-card-body {
    padding: 22px 18px 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .mosaic-card-body h3,
  .mosaic-card.large .mosaic-card-body h3 {
    font-size: 22px;
    letter-spacing: 1px;
    margin-bottom: 8px;
  }

  .mosaic-card-body p,
  .mosaic-card.large .mosaic-card-body p {
    max-width: 100%;
    font-size: 13px;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .mosaic-card .dual-card-btns {
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
    width: 100%;
  }

  .mosaic-card .dual-card-btns .btn {
    flex: 1 1 calc(50% - 4px);
    min-width: 0;
    max-width: 100%;
    height: 38px;
    padding: 0 10px;
    font-size: 12px;
    box-sizing: border-box;
  }

  .case-slide-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .cases-controls,
  .reviews-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .form-grid.cols-2,
  .form-grid.cols-4 {
    grid-template-columns: 1fr;
  }

  .cta-form .form-grid.cols-2 {
    grid-template-columns: 1fr;
  }

  .page-hero-content {
    padding: 48px 20px 0;
  }

  .page-hero h1 {
    font-size: 32px;
    letter-spacing: 4px;
    margin-bottom: 14px;
  }

  .page-hero p {
    font-size: 14px;
    letter-spacing: 1px;
  }

  .page-hero .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-hero .hero-actions .btn {
    width: 100%;
  }

  .news-item {
    grid-template-columns: 72px 1fr;
    gap: 16px;
    padding: 24px 0;
  }

  .news-more-arrow {
    display: none;
  }

  .news-date {
    width: 72px;
    height: 72px;
    padding: 8px 4px;
  }

  .news-date .day {
    font-size: 28px;
  }

  .contact-info-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .feedback-row {
    grid-template-columns: 1fr;
  }

  .feedback-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .feedback-actions .btn {
    width: 100%;
    min-width: 0;
  }

  .footer-main {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px 12px;
    padding-bottom: 28px;
    padding-right: 52px;
    box-sizing: border-box;
  }

  .footer-col {
    flex: none;
    width: auto;
    min-width: 0;
  }

  .footer-col h4,
  .footer-service h4 {
    margin-bottom: 12px;
    font-size: 14px;
  }

  .footer-col li {
    margin-bottom: 8px;
  }

  .footer-col a {
    font-size: 12px;
  }

  .footer-service {
    grid-column: 1 / 3;
    min-width: 0;
    width: auto;
    padding: 20px 0 0;
    margin: 4px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .footer-service .hotline-num {
    font-size: 20px;
  }

  .footer-qr {
    grid-column: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    margin: 4px 0 0;
    padding: 20px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .footer-qr .qr-box {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    margin: 0;
  }

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

  .footer-qr .douyin {
    margin: 0;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    text-align: left;
    padding-right: 52px;
    box-sizing: border-box;
  }

  .footer-bottom .links {
    flex-wrap: wrap;
  }

  .filter-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .cases-page-filters {
    padding-top: 32px;
    padding-bottom: 28px;
  }

  .cases-page-filters .filter-row {
    gap: 10px;
    margin-bottom: 18px;
    align-items: stretch;
  }

  .cases-page-filters .filter-label {
    width: auto;
    max-width: none;
    white-space: nowrap;
    line-height: 1.4;
    margin-bottom: 2px;
  }

  .cases-page-filters .filter-tags {
    flex-wrap: wrap;
    gap: 8px 10px;
    width: 100%;
    padding-right: 56px;
    box-sizing: border-box;
  }

  .cases-page-filters .filter-tag {
    height: 32px;
    padding: 0 12px;
    font-size: 13px;
    white-space: nowrap;
  }

  .cases-page-filters .filter-tag.active {
    padding: 0 14px;
  }

  .case-detail-panel {
    padding: 20px 16px;
    overflow: hidden;
  }

  .case-detail-title {
    font-size: 24px;
  }

  .case-detail-quote {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .case-detail-quote .quote-form {
    flex-wrap: wrap;
    width: 100%;
  }

  .case-detail-quote .form-field {
    flex: 1 1 calc(50% - 5px);
    min-width: 0;
  }

  .case-detail-quote .btn-primary {
    flex: 1 1 100%;
    width: 100%;
    min-width: 0;
  }

  .breadcrumb {
    flex-wrap: wrap;
  }

  .btn {
    white-space: normal;
    text-align: center;
  }

  .btn-lg {
    height: auto;
    min-height: 48px;
    padding-top: 12px;
    padding-bottom: 12px;
  }
}

@media (max-width: 480px) {
  .container,
  .site-footer {
    padding-top: 36px;
  }

  .site-footer .footer-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer-main {
    gap: 20px 8px;
    padding-right: 48px;
  }

  .footer-col h4,
  .footer-service h4 {
    font-size: 13px;
  }

  .footer-col a {
    font-size: 11px;
  }

  .footer-bottom {
    padding-right: 48px;
  }

  .header-inner {
    padding-left: 12px;
    padding-right: 12px;
  }

  .header-logo,
  .header-logo img,
  .site-header.is-solid .header-logo,
  .site-header.is-solid .header-logo img {
    width: 40px;
    max-height: 58px;
  }

  .page-hero-content {
    padding-top: 40px;
  }

  .page-hero h1 {
    font-size: 28px;
    letter-spacing: 3px;
  }

  .hero-slider {
    height: 400px;
  }

  .hero-content-inner h1 {
    font-size: 24px;
  }

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

  .dual-card-content h3 {
    font-size: 24px;
  }

  .dual-card-btns {
    flex-direction: column;
    width: 100%;
  }

  .dual-card-btns .btn {
    width: 100%;
  }

  .mosaic-card-body {
    padding: 20px 56px 18px 14px;
  }

  .mosaic-card .dual-card-btns {
    flex-direction: column;
  }

  .mosaic-card .dual-card-btns .btn {
    flex: none;
    width: 100%;
  }

  .about-stats-inner {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .quote-form .form-field {
    flex: 1 1 100%;
  }

  .float-sidebar-bar {
    width: 44px;
    padding: 8px 2px;
  }

  .float-item {
    padding: 8px 2px;
  }

  .float-item span {
    display: none;
  }

  .modal-body {
    padding: 20px 16px 24px;
  }

  .modal-header h3 {
    font-size: 16px;
  }

  .service-cases-header .tab-item {
    flex: 1 1 calc(50% - 6px);
    text-align: center;
    padding: 0 8px;
    line-height: 1.2;
    white-space: normal;
    height: auto;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .quality-card-media {
    height: auto;
    aspect-ratio: 276 / 475;
  }

  .quality-card-head {
    white-space: normal;
  }

  .contact-col .value {
    font-size: 20px;
  }

  .feedback-panel {
    width: 100%;
    min-height: 0;
    padding: 24px 16px;
  }

  .faq-question {
    font-size: 15px;
    padding-right: 36px;
  }

  .mosaic-card-body {
    padding: 18px 52px 16px 14px;
  }

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

  .cases-more-link {
    align-self: flex-start;
  }

  .cases-page-filters .filter-tags {
    padding-right: 52px;
  }

  .cases-page-filters .filter-tag {
    height: 30px;
    padding: 0 10px;
    font-size: 12px;
  }

  .advantages-grid {
    gap: 10px;
  }

  .advantage-card {
    min-height: 200px;
    padding: 20px 10px 14px;
  }

  .advantage-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
  }

  .advantage-icon img {
    width: 40px;
    height: 40px;
  }

  .advantage-card h3 {
    font-size: 13px;
    margin-bottom: 8px;
  }

  .advantage-card p {
    font-size: 11px;
    line-height: 1.6;
  }

  .process-timeline {
    gap: 24px 10px;
  }

  .process-info h4 {
    font-size: 13px;
    margin-bottom: 4px;
  }

  .process-info p {
    font-size: 11px;
  }
}

/* layer 弹层移动端 */
@media (max-width: 768px) {
  .layui-layer {
    max-width: calc(100vw - 24px) !important;
  }
}