@font-face {
  font-family: "RobotoLocal";
  src: url("../font/roboto-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: "RobotoLocal";
  src: url("../font/roboto-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: "RobotoLocal";
  src: url("../font/roboto-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
}

:root {
  --color-primary: #3F5AB6;
  --color-primary-hover: #3556AE;
  --color-secondary: #3AA6D8;
  --color-accent: #5CC3C8;
  --color-bg-soft: #F4F8FD;
  --color-surface: #FFFFFF;
  --color-border: #DCE3F0;
  --color-border-soft: #E9EFF8;
  --color-border-strong: #C7D3E6;
  --color-text-strong: #1F2B4D;
  --color-text: #4A5678;
  --color-text-muted: #667391;
  --color-text-subtle: #7F8CAA;
  --color-header-top: #3556AE;
  --color-footer-bg: #1A2542;
  --color-gradient: linear-gradient(90deg, #3F5AB6 0%, #3AA6D8 58%, #5CC3C8 100%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "RobotoLocal", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg-soft);
  line-height: 1.45;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
video {
  display: block;
  width: 100%;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.zs-skip-link {
  position: absolute;
  left: -624.9375rem;
}

.zs-skip-link:focus {
  left: 0.75rem;
  top: 0.75rem;
  z-index: 50;
  background: var(--color-surface);
  border: 1px solid var(--color-text-strong);
  padding: 0.5rem 0.75rem;
}

.zs-page {
  min-height: 100vh;
}

.zs-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-surface);
  box-shadow: 0 0.25rem 1rem rgba(18, 33, 75, 0.06);
}

.zs-header-top {
  display: flex;
  justify-content: flex-end;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-soft);
  padding: 0.5rem 7%;
  transition: all 0.3s ease;
  overflow: hidden;
  max-height: 50px;
  opacity: 1;
}

body.zs-header-scrolled .zs-header-top {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-bottom-color: transparent;
  opacity: 0;
}

.zs-top-links {
  display: flex;
  gap: 1.375rem;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.zs-header-main {
  height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 7%;
  position: relative;
}

.zs-logo-title {
  margin: 0;
  width: 6.75rem;
  flex-shrink: 0;
}

.zs-logo-link,
.zs-mobile-logo {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface);
  border-radius: 999px;
  padding: 0.35rem 0.6rem;
  box-shadow: 0 10px 28px rgba(18, 33, 75, 0.12);
}

.zs-main-menu {
  display: flex;
  gap: 1.875rem;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  height: 100%;
  text-transform: capitalize;
}

.zs-main-menu > li {
  display: flex;
  align-items: center;
  height: 100%;
}

.zs-main-menu a {
  color: var(--color-text-strong);
}

/* Dropdown */
.zs-has-dropdown {
  position: static !important;
}

.zs-has-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.zs-has-dropdown > a::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 0.25rem solid transparent;
  border-right: 0.25rem solid transparent;
  border-top: 0.25rem solid var(--color-text-strong);
  transition: transform 0.3s;
}

.zs-has-dropdown:hover > a::after {
  transform: rotate(180deg);
}

.zs-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-surface);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  transition: max-height 0.4s ease-in-out, opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
  box-shadow: 0 0.25rem 0.625rem rgba(0, 0, 0, 0.1);
  z-index: 100;
}

.zs-has-dropdown:hover .zs-dropdown {
  max-height: 31.25rem;
  opacity: 1;
  visibility: visible;
  transition: max-height 0.6s ease-in-out, opacity 0.6s ease-in-out, visibility 0.6s ease-in-out;
}

.zs-dropdown-inner {
  padding: 2.5rem 7%;
}

.zs-dropdown-menu {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.zs-dropdown-menu a {
  color: var(--color-text-strong);
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  transition: color 0.3s;
}

.zs-dropdown-menu a:hover {
  color: var(--color-primary);
}

.zs-dropdown-menu a.zs-fw-bold {
  font-weight: 700;
}

/* Solutions Dropdown Specific */
.zs-dropdown-solutions {
  padding-bottom: 1.25rem;
}

.zs-solutions-categories {
  display: flex;
  gap: 5rem;
}

.zs-solutions-category {
  display: flex;
  flex-direction: column;
}

.zs-solutions-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-strong);
  margin-bottom: 1.5rem;
}

.zs-solutions-cols {
  display: flex;
  gap: 3.75rem;
}

.zs-solutions-bottom {
  margin-top: 1.875rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
}

.zs-view-all {
  color: var(--color-text-strong);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s;
}

.zs-view-all::after {
  content: "鈫?;
}

.zs-view-all:hover {
  color: var(--color-primary);
}

/* Services Dropdown Specific */
.zs-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3.75rem;
}

.zs-services-card {
  display: flex;
  align-items: flex-end;
  height: 100%;
  gap: 0.625rem;
}

.zs-services-card-content {
  flex: 0 0 auto;
}

.zs-services-card-img {
  flex: 1;
}

.zs-services-card-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.zs-services-link {
  color: var(--color-primary) !important;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: underline;
  transition: color 0.3s;
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
}

.zs-services-link:hover {
  color: var(--color-primary-hover);
}

.zs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.75rem;
  padding: 0 1.5rem;
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
  border-radius: 1.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

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

.zs-header-actions .zs-btn {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 0.375rem 1rem rgba(63, 90, 182, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.zs-header-actions .zs-btn::after {
  content: "";
  position: absolute;
  top: -20%;
  left: -35%;
  width: 30%;
  height: 140%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0));
  transform: rotate(18deg);
  transition: left 0.45s ease;
  pointer-events: none;
}

.zs-header-actions .zs-btn:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-0.125rem);
  box-shadow: 0 0.75rem 1.5rem rgba(63, 90, 182, 0.24);
}

.zs-header-actions .zs-btn:hover::after {
  left: 112%;
}

.zs-header-actions .zs-btn:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 0.1875rem rgba(92, 195, 200, 0.28), 0 0.75rem 1.5rem rgba(63, 90, 182, 0.22);
}

/* Header Actions & Search */
.zs-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.zs-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.zs-search-toggle {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: border-color 0.3s, color 0.3s;
}

.zs-search-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.zs-search-wrapper.is-active .zs-search-toggle {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.zs-search-bar {
  position: absolute;
  right: 1.375rem; /* starts from the middle of the toggle button */
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  overflow: hidden;
  background: var(--color-surface);
  border-radius: 1.375rem 0 0 1.375rem;
  box-shadow: -0.25rem 0 0.625rem rgba(0,0,0,0.05);
  transition: width 0.4s ease-in-out;
  z-index: 1;
  opacity: 0;
}

.zs-search-wrapper.is-active .zs-search-bar {
  width: 16.25rem;
  opacity: 1;
}

.zs-search-bar form {
  display: flex;
  height: 2.75rem;
  width: 16.25rem; /* fixed width inside to avoid input squishing */
}

.zs-search-bar input {
  width: 100%;
  height: 100%;
  border: 1px solid var(--color-border);
  border-right: none;
  border-radius: 1.375rem 0 0 1.375rem;
  padding: 0 1.25rem;
  font-size: 0.875rem;
  outline: none;
  font-family: inherit;
}

.zs-search-bar input:focus {
  border-color: var(--color-secondary);
}

.zs-main {
  overflow: hidden;
  background-color: var(--color-bg-soft);
}

.zs-hero {
  position: relative;
  background: var(--color-bg-soft);
  height: 38.75rem;
}

.zs-hero-track {
  position: relative;
  height: 100%;
  overflow: hidden;
  cursor: grab;
}

.zs-hero-track:active {
  cursor: grabbing;
}

.zs-hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.zs-hero-slide.is-active {
  opacity: 1;
  visibility: visible;
}

.zs-hero-slide picture,
.zs-hero-slide .zs-video-wrap {
  width: 100%;
  height: 100%;
}

.zs-hero-slide img,
.zs-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zs-hero-content {
  position: absolute;
  left: 8%;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  max-width: 35rem;
}

.zs-hero-content h2 {
  font-size: 3.5rem;
  font-weight: 700;
  margin: 0 0 0.625rem;
  letter-spacing: 0.02em;
}

.zs-hero-content p {
  margin: 0 0 1.625rem;
  font-size: 1.375rem;
  line-height: 1.35;
}

.zs-hero-content--link {
  top: auto;
  left: 8%;
  bottom: 3.125rem;
  transform: none;
}

.zs-btn-red {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.75rem 1.375rem;
  text-transform: none; /* 仅首字母大写由 HTML 控制 */
}

.zs-btn-red:hover {
  background: var(--color-primary-hover);
}

.zs-btn-red--arrow::after {
  content: "鈫?;
  margin-left: 0.625rem;
}

.zs-btn-rounded {
  border-radius: 1.375rem;
}

.zs-hero-controls {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 1.875rem;
  z-index: 10;
  pointer-events: none;
}

.zs-hero-prev,
.zs-hero-next {
  width: 3.125rem;
  height: 3.125rem;
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  transition: transform 0.3s;
}

.zs-hero-prev:hover,
.zs-hero-next:hover {
  transform: scale(1.1);
}

.zs-blank {
  height: 1.25rem;
}

.zs-grid {
  width: min(100%, 107.5rem);
  margin: 0 auto;
}

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

.zs-underpad {
  background: #fff;
  height: 33.75rem;
}

.zs-underpad .zs-grid--2 {
  display: flex;
  height: 100%;
  width: 100%;
  max-width: none;
  margin: 0;
  gap: 0;
}

.zs-underpad-text {
  flex: 0 0 50%;
  padding-left: 7%;
  padding-right: 7.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.zs-underpad-text article h2 {
  font-size: 2.375rem;
  margin-bottom: 1.5rem;
}

.zs-underpad-text article p {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.zs-underpad h2,
.zs-excerpt h2,
.zs-brochure h2,
.zs-news h2 {
  margin: 0 0 1.375rem;
  font-size: 2.875rem;
  line-height: 1.05;
  color: var(--color-text-strong);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.zs-underpad p,
.zs-excerpt p,
.zs-brochure p {
  margin: 0 0 1.125rem;
  font-size: 1.1875rem;
  color: var(--color-text);
  line-height: 1.62;
}

.zs-underpad .zs-btn-red {
  margin-top: 1.125rem;
}

.zs-underpad-video {
  flex: 0 0 50%;
  height: 100%;
  position: relative;
}

.zs-underpad-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zs-youtube-mask {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
}

.zs-youtube-mask img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zs-cookie-overlay {
  position: absolute;
  inset: auto 1.5rem 1.5rem;
  background: rgba(0, 0, 0, 0.63);
  color: #fff;
  font-size: 0.9375rem;
  padding: 1.125rem 1.25rem;
}

.zs-cookie-overlay a {
  text-decoration: underline;
}

.zs-excerpt {
  margin-top: 3.125rem;
  background: #fff;
  height: 28.75rem;
}

.zs-excerpt .zs-grid--2 {
  display: flex;
  height: 100%;
  width: 100%;
  max-width: none;
  margin: 0;
  gap: 0;
}

.zs-card {
  display: flex;
  flex-direction: column;
  position: relative;
  text-decoration: none;
  color: inherit;
  flex: 0 0 50%;
}

.zs-card--text {
  padding-left: 7%;
  padding-right: 3.125rem;
  justify-content: center;
  align-items: flex-start;
  background: #fff;
}

.zs-card--text h2 {
  font-size: 1.25rem;
  margin-bottom: 2.125rem;
}

.zs-card--text p {
  font-size: 1.5rem;
  line-height: 1.2;
  margin-bottom: 2.1875rem;
}

.zs-news-content span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  text-decoration: underline;
  transition: text-decoration 0.3s;
}

.zs-news-content > a:hover span {
  text-decoration: none;
}

.zs-card--image {
  position: relative;
  height: 100%;
  overflow: hidden; /* 闃叉鍥剧墖鏀惧ぇ鏃舵孩鍑哄鍣?*/
}

.zs-card--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.zs-card--image:hover img {
  transform: scale(1.05);
}

.zs-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0 7.5rem;
  color: #fff;
}

.zs-card-overlay h2 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 2.125rem;
}

.zs-card-overlay p {
  color: #fff;
  font-size: 1.5rem;
  line-height: 1.2;
  margin-bottom: 3.125rem;
}

.zs-card-overlay strong {
  color: #fff;
  text-decoration: underline;
  transition: color 0.3s, text-decoration 0.3s;
}

.zs-card--image:hover .zs-card-overlay strong {
  color: var(--color-primary);
  text-decoration: none;
}

.zs-card strong {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: none;
  color: var(--color-primary);
  transition: color 0.3s;
  display: inline-block;
  text-decoration: underline;
}

.zs-card:hover strong {
  color: var(--color-primary-hover);
}

.zs-brochure {
  margin-top: 3.125rem;
  background: #fff;
  height: 24.375rem;
}

.zs-brochure .zs-grid--2 {
  display: flex;
  height: 100%;
  width: 100%;
  max-width: none;
  margin: 0;
  gap: 0;
}

.zs-brochure-text {
  flex: 0 0 50%;
  padding-left: 7%;
  padding-right: 3.125rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  background: #fff;
}

.zs-brochure-text h2 {
  margin-bottom: 1.5rem;
}

.zs-brochure-text p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.zs-brochure-download {
  flex: 0 0 50%;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zs-brochure-download img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  z-index: 1;
}

.zs-brochure-download:hover img {
  transform: scale(1.05);
}

.zs-download-link {
  position: relative;
  z-index: 2;
  color: var(--color-text-muted);
  background: #fff;
  font-size: 0.875rem;
  font-weight: 400;
  text-decoration: none;
  padding: 0.75rem 1.875rem;
  border-radius: 1.375rem;
  transition: background 0.3s, color 0.3s;
}

.zs-download-link:hover {
  background: var(--color-primary);
  color: #fff;
}

.zs-news {
  padding: 5rem 7% 5rem;
}

.zs-news h2 {
  margin-bottom: 1.875rem;
  font-size: 1.25rem;
}

.zs-news-grid {
  display: flex;
  justify-content: space-between;
}

.zs-news-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 28.4375rem;
}

.zs-news-item:first-child {
  width: 35%;
  grid-template-columns: 65% 35%;
}

.zs-news-item:last-child {
  width: 60%;
  grid-template-columns: 45% 55%;
}

.zs-news-content {
  background: #fff;
  padding: 2.75rem 2.125rem;
  display: flex;
  flex-direction: column;
}

.zs-news-content > a {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.zs-news-content h4 {
  margin: 0 0 3.75rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.zs-news-content h3 {
  margin: 0 0 1rem;
  color: var(--color-primary);
  font-size: 1.5rem;
  line-height: 1.2;
  font-weight: 700;
}

.zs-news-content time,
.zs-news-content p {
  display: block;
  margin: 0 0 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

.zs-news-image img {
  height: 100%;
  object-fit: cover;
}

.zs-newsletter {
  background: #fff;
  padding: 3.75rem 0;
}

.zs-newsletter a {
  display: block;
  text-align: center;
}

.zs-newsletter span {
  color: var(--color-secondary);
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: 0.02em;
  font-weight: 500;
}

.zs-footer {
  background: var(--color-footer-bg);
  color: #fff;
}

.zs-footer-top {
  width: min(100%, 107.5rem);
  margin: 0 auto;
  padding: 3.25rem 2.125rem;
  display: flex;
  justify-content: space-between;
}

.zs-footer-company,
.zs-footer-contacts {
  width: 20%;
}

.zs-footer-links {
  width: 30%;
}

.zs-footer-company img {
  width: 12.5rem;
  margin-bottom: 5rem;
}

.zs-social ul {
  display: flex;
  gap: 0.625rem;
}

.zs-footer-contacts_right {
  width: 20%;
}
.zs-footer-contacts_right strong{font-size: 1.5rem;}
.zs-footer-contacts_right img{width: 50%;}

.zs-social a {
  width: 3.125rem;
  height: 3.125rem;
  font-size: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  transition: background 0.3s, border-color 0.3s;
}

.zs-social a:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.zs-footer-links {
  display: flex;
  justify-content: space-between;
}

.zs-footer-main-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 1.5rem;
  font-weight: 500;
}

.zs-footer-sub-links {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.82);
}

.zs-footer-contacts strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.zs-footer-contact-buttons {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.875rem;
}

.zs-btn--dark {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.68);
  color: rgba(255, 255, 255, 0.82);
  padding: 0.625rem 3.125rem;
  font-size: 1.125rem;
  border-radius: 12.5rem;
  text-align: left;
  line-height: 1.625rem;
  display: inline-block;
  height: auto;
}

.zs-btn--dark:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--color-accent);
  color: #fff;
}

.zs-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  width: min(100%, 107.5rem);
  margin: 0 auto;
  padding: 1.375rem 2.125rem 2.125rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.zs-footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.72);
}

.zs-legal-links {
  display: flex;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.875rem;
}

.zs-main-nav {
  display: block;
  height: 100%;
}

.zs-mobile-nav {
  display: none;
}

@media (max-width: 76.875rem) {
  .zs-header-main {
    padding: 0 1.25rem;
  }

  .zs-main-menu {
    gap: 1rem;
    font-size: 0.8125rem;
  }

  .zs-btn {
    padding: 0 0.875rem;
  }
}

@media (max-width: 63.9375rem) {
  .zs-main-nav, .zs-header-main .zs-btn {
    display: none;
  }

  .zs-header {
    display: none;
  }

  .zs-mobile-nav {
    display: block;
    position: sticky;
    top: 0;
    z-index: 30;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-soft);
  }

  .zs-mobile-nav-top {
    height: 4.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.125rem;
  }

  .zs-mobile-logo {
    width: 6.125rem;
  }

  .zs-mobile-menu-btn {
    width: 2.625rem;
    height: 2.625rem;
    border: 0;
    background: transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.375rem;
    cursor: pointer;
  }

  .zs-mobile-menu-btn span {
    display: block;
    width: 1.5rem;
    height: 0.125rem;
    background: var(--color-text-strong);
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .zs-mobile-menu-btn.is-open span:nth-child(1) {
    transform: translateY(0.5rem) rotate(45deg);
  }

  .zs-mobile-menu-btn.is-open span:nth-child(2) {
    opacity: 0;
  }

  .zs-mobile-menu-btn.is-open span:nth-child(3) {
    transform: translateY(-0.5rem) rotate(-45deg);
  }

  .zs-mobile-panel {
    display: none;
    padding: 0 1.125rem 1.5rem;
    max-height: calc(100vh - 4.75rem);
    overflow-y: auto;
    background: var(--color-surface);
    color: var(--color-text-strong);
  }

  .zs-mobile-panel.is-open {
    display: block;
  }

  .zs-mobile-list > li > a,
  .zs-mobile-dropdown-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border-soft);
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    color: inherit;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
  }

  .zs-mobile-dropdown-toggle .zs-arrow {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 0.3125rem solid transparent;
    border-right: 0.3125rem solid transparent;
    border-top: 0.3125rem solid var(--color-text-strong);
    transition: transform 0.3s ease;
  }

  .zs-mobile-has-dropdown.is-open .zs-arrow {
    transform: rotate(180deg);
  }

  .zs-mobile-dropdown-menu {
    display: none;
    padding: 0.625rem 0 0.625rem 1rem;
    background: var(--color-bg-soft);
  }

  .zs-mobile-has-dropdown.is-open .zs-mobile-dropdown-menu {
    display: block;
  }

  .zs-mobile-dropdown-menu a {
    display: block;
    font-size: 0.875rem;
    padding: 0.5rem 0;
    color: var(--color-text);
  }

  .zs-mobile-sub-list {
    margin: 1.125rem 0;
  }

  .zs-mobile-sub-list a {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    padding: 0.4375rem 0;
  }

  .zs-btn--light {
    width: 100%;
  }

  .zs-hero {
    height: auto;
  }

  .zs-hero-track {
    height: 84vw;
    min-height: 26.25rem;
  }

  .zs-hero-content {
    max-width: 76%;
  }

  .zs-hero-content h2 {
    font-size: 2.5rem;
  }

  .zs-hero-content p {
    font-size: 1.125rem;
  }

  .zs-hero-nav {
    right: 1.125rem;
  }

  .zs-grid {
    padding: 0;
  }

  .zs-underpad .zs-grid--2,
  .zs-excerpt .zs-grid--2,
  .zs-brochure .zs-grid--2 {
    display: flex;
    flex-direction: column;
    height: auto;
  }

  .zs-underpad,
  .zs-excerpt,
  .zs-brochure {
    height: auto;
  }

  .zs-news-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
  }

  .zs-news-item {
    display: flex;
    flex-direction: column;
    height: auto;
  }

  .zs-news-item:first-child,
  .zs-news-item:last-child {
    width: 100%;
  }

  .zs-footer-top {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
  }

  .zs-footer-company,
  .zs-footer-links,
  .zs-footer-contacts {
    width: 100%;
  }

  .zs-underpad-text,
  .zs-card--text,
  .zs-card-overlay,
  .zs-brochure-text,
  .zs-news-content {
    padding: 2.625rem 1.5rem;
  }

  .zs-underpad h2,
  .zs-excerpt h2,
  .zs-brochure h2,
  .zs-news h2 {
    font-size: 2.125rem;
  }

  .zs-underpad p,
  .zs-excerpt p,
  .zs-brochure p {
    font-size: 1.0625rem;
  }

  .zs-underpad-video {
    min-height: 23.75rem;
  }

  .zs-card {
    min-height: auto;
    height: auto;
  }

  .zs-card--image {
    min-height: 23.75rem;
    height: 100%;
    width: 100%;
  }

  .zs-card--image img {
    width: 140%;
    max-width: none; /* 确保图片可以突破父容器宽度 */
  }

  .zs-card-overlay {
    padding: 2.625rem 1.5rem;
  }

  .zs-news {
    padding: 0 0 2.5rem;
  }

  .zs-news h2 {
    padding: 0 1.5rem;
    margin-top: 0.625rem;
  }

  .zs-newsletter span {
    font-size: 1.125rem;
  }

  .zs-footer-top,
  .zs-footer-bottom {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .zs-footer-links {
    flex-direction: column;
    gap: 1.875rem;
  }

  .zs-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}