@font-face {
  font-family: "Zhongan Latin";
  src: url("../fonts/alibaba-puhuiti-latin-20260909.woff2") format("woff2");
  unicode-range: U+0020-007E, U+00A0-024F;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Zhongan Icons";
  src: url("../fonts/iconfont.woff2") format("woff2");
  font-style: normal;
  font-weight: normal;
  font-display: swap;
}

:root {
  --font: "Zhongan Latin", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  --gold: #ca9f84;
  --gold-deep: #c29070;
  --ink: #202020;
  --body: #666666;
  --line: #e6e6e6;
  --soft: #f8f8f8;
  --white: #ffffff;
  --header-height: 88px;
  --content: 1200px;
  --wide: 1440px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  line-height: 1.8;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
}

ul,
ol,
dl,
dd,
p,
h1,
h2,
h3 {
  margin-top: 0;
}

:focus-visible {
  outline: 3px solid rgba(202, 159, 132, .65);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  z-index: 10000;
  padding: 10px 16px;
  color: #fff;
  background: #222;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 12px;
}

.content-width {
  width: min(calc(100% - 64px), var(--content));
  margin-inline: auto;
}

.wide-width {
  width: min(calc(100% - 64px), var(--wide));
  margin-inline: auto;
}

.section {
  padding: 92px 0 100px;
}

.section-soft {
  background: #f9f9f9;
}

.iconfont {
  font-family: "Zhongan Icons" !important;
  font-style: normal;
  font-weight: normal;
  -webkit-font-smoothing: antialiased;
}

.icon-phone::before { content: "\e969"; }
.icon-school::before { content: "\e836"; }
.icon-hospital::before { content: "\e6ff"; }
.icon-transport::before { content: "\e61e"; }
.icon-finance::before { content: "\e606"; }
.icon-government::before { content: "\e614"; }
.icon-enterprise::before { content: "\e646"; }
.icon-property::before { content: "\e602"; }
.icon-tourism::before { content: "\e63a"; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .2);
  transition: color .4s ease, background-color .4s ease, box-shadow .4s ease;
}

.site-header.is-scrolled,
.site-header.is-menu-open,
.site-header.is-nav-active {
  color: #333;
  background: #fff;
  box-shadow: 0 3px 8px rgba(0, 0, 0, .07);
}

.header-shell {
  position: relative;
  width: min(calc(100% - 56px), 1600px);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  animation: fadeInDown 1s ease-in-out both;
}

.brand {
  position: relative;
  z-index: 2;
  width: 179px;
  flex: 0 0 179px;
}

.brand img {
  width: 179px;
  height: auto;
  transition: opacity .35s ease;
}

.brand .logo-color {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.site-header.is-scrolled .logo-white,
.site-header.is-menu-open .logo-white,
.site-header.is-nav-active .logo-white {
  opacity: 0;
}

.site-header.is-scrolled .logo-color,
.site-header.is-menu-open .logo-color,
.site-header.is-nav-active .logo-color {
  opacity: 1;
}

.main-nav {
  height: 100%;
  margin-left: auto;
}

.nav-list {
  height: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  list-style: none;
}

.nav-item {
  height: 100%;
  padding: 0 20px;
  display: flex;
  align-items: center;
}

.nav-link {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  font-size: 16px;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: 4px;
  height: 2px;
  background: currentColor;
  transition: left .3s ease, right .3s ease;
}

.nav-link:hover::after,
.nav-link.is-current::after,
.nav-item:hover > .nav-link::after {
  left: 0;
  right: 0;
}

.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-link.is-current,
.site-header.is-scrolled .nav-item:hover > .nav-link,
.site-header.is-menu-open .nav-link:hover,
.site-header.is-menu-open .nav-link.is-current,
.site-header.is-nav-active .nav-link:hover,
.site-header.is-nav-active .nav-link.is-current,
.site-header.is-nav-active .nav-item:hover > .nav-link {
  color: var(--gold);
}

.submenu {
  position: fixed;
  z-index: 5;
  top: var(--header-height);
  left: 0;
  right: 0;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  color: #333;
  background: #f5f5f5;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .06);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}

.nav-item:hover .submenu,
.nav-item:focus-within .submenu {
  visibility: visible;
  opacity: 1;
  transform: none;
}

.submenu-inner {
  position: relative;
  left: var(--submenu-center, 50%);
  width: max-content;
  max-width: calc(100vw - 32px);
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 44px;
  transform: translateX(-50%);
}

.submenu-inner a {
  font-size: 15px;
  transition: color .2s ease;
}

.submenu-inner a:hover {
  color: var(--gold-deep);
}

.solution-menu {
  gap: 24px;
}

.header-phone {
  margin-left: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.header-phone .iconfont {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: var(--gold);
  background: #fff;
  border-radius: 50%;
  font-size: 19px;
}

.site-header.is-scrolled .header-phone .iconfont,
.site-header.is-menu-open .header-phone .iconfont,
.site-header.is-nav-active .header-phone .iconfont {
  color: #fff;
  background: var(--gold);
}

.header-phone strong {
  font-family: var(--font);
  font-size: 22px;
  letter-spacing: .02em;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  margin: 5px 0;
  display: block;
  background: currentColor;
  transition: transform .25s ease, opacity .25s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero {
  position: relative;
  height: 100svh;
  min-height: 650px;
  overflow: hidden;
  color: #fff;
  background: #333;
}

.hero-slide {
  position: absolute;
  inset: 0;
  visibility: hidden;
  opacity: 0;
  transition: opacity 1s ease, visibility 1s ease;
}

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

.hero-slide > img {
  width: 100%;
  height: 100%;
  min-width: 1200px;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
}

.hero-slide.is-active > img {
  animation: heroZoom 7s ease-in-out both;
}

.hero-slide:nth-child(2) > img { object-position: center 38%; }
.hero-slide:nth-child(3) > img { object-position: center 40%; }

@keyframes heroZoom {
  to { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, .32), rgba(0, 0, 0, .02) 72%);
}

.hero-copy {
  position: absolute;
  top: 50%;
  left: 50%;
  opacity: 0;
  transform: translate(-50%, -46%) translateX(-45px);
}

.hero-slide.is-active .hero-copy {
  animation: heroCopyIn 1.4s .5s ease-in-out forwards;
}

@keyframes heroCopyIn {
  from { opacity: 0; transform: translate(-50%, -46%) translateX(-2000px); }
  to { opacity: 1; transform: translate(-50%, -46%) translateX(0); }
}

.hero-copy p {
  margin-bottom: 8px;
  font-family: var(--font);
  font-size: 30px;
  font-weight: 700;
}

.hero-copy h1,
.hero-copy h2 {
  margin-bottom: 10px;
  color: #fff;
  font-size: 64px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 4px;
}

.hero-copy span {
  display: block;
  font-size: 18px;
  font-weight: 300;
}

.hero-dots {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: 50px;
  display: flex;
  gap: 10px;
  transform: translateX(-50%);
}

.hero-dots button {
  width: 50px;
  height: 18px;
  padding: 8px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.hero-dots button::before {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  transition: background .25s ease;
}

.hero-dots button.is-active::before {
  background: var(--gold);
}

.section-title {
  position: relative;
  margin-bottom: 58px;
  text-align: center;
}

.section-title p {
  margin: 0;
  color: #eeeeee;
  font-family: var(--font);
  font-size: 50px;
  font-weight: 800;
  line-height: .95;
}

.section-title h2 {
  position: relative;
  margin: -4px 0 0;
  color: #000;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
}

.section-title-left {
  margin-bottom: 30px;
  text-align: left;
}

.section-title-left h2 {
  font-size: 40px;
}

.section-title-light p {
  color: rgba(255, 255, 255, .35);
}

.section-title-light h2 {
  color: #fff;
}

.about-home {
  width: 100%;
  padding: 80px 0;
  display: flex;
  overflow: hidden;
}

.about-spacer {
  width: 12.5%;
  flex: 0 0 12.5%;
}

.about-shell {
  width: 87.5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.about-copy {
  width: 50%;
  max-width: none;
  padding: 16px 0 110px;
  background: url("../images/about-line-art.png") left bottom / contain no-repeat;
}

.about-text p {
  margin: 0 0 14px;
  color: var(--body);
  font-size: 16px;
  text-align: justify;
  text-indent: 2em;
}

.metrics {
  margin: 34px 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.metrics > div {
  min-width: 0;
}

.metrics dt {
  color: var(--gold);
  font-family: var(--font);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.15;
  white-space: nowrap;
}

.metrics dt small {
  margin-left: 3px;
  font-family: inherit;
  font-size: 13px;
}

.metrics dd {
  margin: 6px 0 0;
  color: var(--body);
  font-size: 12px;
  white-space: nowrap;
}

.detail-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: var(--gold-deep);
  font-size: 17px;
  font-weight: 600;
}

.detail-link span {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: color .25s ease, background .25s ease, transform .25s ease;
}

.detail-link:hover span {
  color: #fff;
  background: var(--gold);
  transform: translateX(4px);
}

.about-image {
  position: relative;
  width: 45%;
  align-self: center;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: auto;
}

.video-trigger {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 58px;
  height: 58px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(202, 159, 132, .88);
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: transform .25s ease, background .25s ease;
}

.video-trigger:hover {
  background: var(--gold-deep);
  transform: translate(-50%, -50%) scale(1.08);
}

.video-trigger span {
  width: 0;
  height: 0;
  margin-left: 4px;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 12px solid #fff;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.services {
  overflow: hidden;
}

.service-card {
  position: relative;
  height: 360px;
  overflow: hidden;
  color: #fff;
  background: #333;
}

.service-card > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: auto;
  transition: transform .65s ease;
}

.service-card:hover > img {
  transform: scale(1.05);
}

.service-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .24);
  transition: background .45s ease;
}

.service-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 174px;
  min-height: 174px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, .42);
  transform: translate(-50%, -50%);
  transition: width .45s ease, min-height .45s ease, background .35s ease, border-color .35s ease;
}

.service-panel h3 {
  margin: 0;
  color: #fff;
  font-size: 19px;
  line-height: 1.45;
}

.service-panel p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, .42);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.3;
}

.service-panel > span {
  align-self: flex-end;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--gold-deep);
  border-radius: 50%;
  transform: rotate(-45deg);
  transition: color .35s ease, background .35s ease, transform .35s ease;
}

.service-panel em {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  color: rgba(255, 255, 255, .88);
  font-size: 14px;
  font-style: normal;
  line-height: 1.7;
  transition: opacity .25s ease, max-height .45s ease;
}

.service-card:hover .service-overlay {
  background: rgba(52, 34, 25, .52);
}

.service-card:hover .service-panel {
  width: calc(100% - 46px);
  min-height: calc(100% - 46px);
  background: rgba(202, 159, 132, .9);
  border-color: rgba(255, 255, 255, .7);
}

.service-card:hover .service-panel > span {
  color: var(--gold-deep);
  background: #fff;
  transform: rotate(0);
}

.service-card:hover .service-panel em {
  max-height: 100px;
  opacity: 1;
}

.advantages {
  overflow: hidden;
  background: #fff;
}

.advantage-intro {
  max-width: 830px;
  margin: -22px auto 54px;
  text-align: center;
}

.advantage-intro h3 {
  margin: 0 0 14px;
  color: #111;
  font-size: 28px;
  font-weight: 700;
}

.advantage-intro p {
  margin: 0;
  color: var(--body);
  font-size: 16px;
}

.advantage-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.advantage-column {
  position: relative;
  min-height: 352px;
  padding: 34px 30px 30px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-left: 1px solid var(--line);
  transition: background-color .35s ease;
}

.advantage-column:last-child {
  border-right: 1px solid var(--line);
}

.advantage-column::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  top: -1px;
  height: 3px;
  background: var(--gold-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}

.advantage-column:hover {
  background: #fbfaf9;
}

.advantage-column:hover::before {
  transform: scaleX(1);
}

.advantage-number {
  color: #eeeeee;
  font-size: 68px;
  font-weight: 700;
  line-height: 1;
  transition: color .35s ease, transform .35s ease;
}

.advantage-column:hover .advantage-number {
  color: rgba(202, 159, 132, .42);
  transform: translateY(-4px);
}

.advantage-english {
  margin: 24px 0 9px;
  color: var(--gold-deep);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
}

.advantage-column h3 {
  margin: 0 0 15px;
  color: #111;
  font-size: 23px;
  font-weight: 700;
  line-height: 1.4;
}

.advantage-description {
  margin: 0;
  color: var(--body);
  font-size: 14px;
  line-height: 1.9;
}

.advantage-more {
  width: 36px;
  height: 36px;
  margin-top: auto;
  display: grid;
  place-items: center;
  color: var(--gold-deep);
  border: 1px solid var(--gold);
  border-radius: 50%;
  transition: color .3s ease, background-color .3s ease, transform .3s ease;
}

.advantage-column:hover .advantage-more {
  color: #fff;
  background: var(--gold-deep);
  transform: translateX(5px);
}

.case-focus {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #1c1c1c url("../images/cases-bg-optimized-20260909.webp") center / cover no-repeat;
}

.case-focus::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, .54);
}

.case-focus > * {
  position: relative;
  z-index: 1;
}

.case-track {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
}

.case-item {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.case-item::after {
  content: "";
  position: absolute;
  left: 50%;
  right: -50%;
  bottom: 8px;
  height: 1px;
  background: rgba(255, 255, 255, .7);
}

.case-item:last-child::after {
  display: none;
}

.case-item .iconfont {
  position: relative;
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: 50%;
  font-size: 44px;
  transition: color .35s ease, border-color .35s ease, transform .5s ease;
}

.case-item .iconfont::after {
  content: "";
  position: absolute;
  inset: 11px;
  border: 1px solid rgba(255, 255, 255, .75);
  border-radius: 50%;
}

.case-item:hover .iconfont {
  color: var(--gold);
  border-color: var(--gold);
  transform: rotateY(360deg);
}

.case-item strong {
  margin-top: 24px;
  font-size: 18px;
}

.case-item > span {
  min-height: 52px;
  margin-top: 2px;
  color: rgba(255, 255, 255, .72);
  font-family: var(--font);
  font-size: 12px;
}

.case-item > span::after {
  content: "";
  position: absolute;
  z-index: 2;
  left: calc(50% - 8px);
  bottom: 0;
  width: 15px;
  height: 15px;
  border: 1px solid #fff;
  border-radius: 50%;
  background: transparent;
  transition: background .25s ease;
}

.case-item:hover > span::after {
  background: #fff;
}

.news {
  background: #fff;
}

.news-feature {
  display: grid;
  grid-template-columns: 45% 55%;
  min-height: 330px;
}

.news-image {
  position: relative;
  min-width: 0;
  overflow: hidden;
}

.news-image .news-cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.news-feature:hover .news-image img {
  transform: scale(1.025);
}

.news-copy {
  padding: 32px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--soft);
}

.news-copy time {
  color: var(--gold);
  font-family: var(--font);
  font-size: 22px;
}

.news-copy h3 {
  margin: 14px 0 16px;
  color: #000;
  font-size: 25px;
  line-height: 1.5;
}

.news-copy > p {
  margin-bottom: 24px;
  color: var(--body);
  font-size: 15px;
  text-align: justify;
}

.site-footer {
  padding: 50px 0 0;
  background: var(--soft);
  border-top: 8px solid var(--gold-deep);
}

.footer-top {
  padding-bottom: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 70px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 18px;
}

.footer-nav div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-nav h2 {
  margin: 0 0 20px;
  color: #000;
  font-size: 15px;
}

.footer-nav a {
  margin-bottom: 6px;
  color: var(--body);
  font-size: 13px;
  transition: color .2s ease;
}

.footer-nav a:hover {
  color: var(--gold-deep);
}

.footer-contact {
  margin: 0;
  width: 236px;
  text-align: left;
  font-style: normal;
}

.footer-socials { display: flex; justify-content: flex-end; gap: 28px; margin-bottom: 0; }
.footer-social { position: relative; }
.social-trigger { display: flex; flex-direction: column; align-items: center; gap: 7px; padding: 0; border: 0; background: none; color: var(--body); font: 13px/1.5 var(--font); cursor: pointer; }
.social-icon { --social-background: #a6a6a6; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; color: #fff; background: var(--social-background); transition: background-color .15s ease; }
.social-trigger:hover .social-icon, .social-trigger:focus-visible .social-icon, .social-trigger[aria-expanded="true"] .social-icon { --social-background: var(--gold-deep); }
.social-icon g { fill: var(--social-background); }
.social-icon svg { width: 24px; height: 24px; }
.social-trigger:focus-visible { outline: 2px solid var(--gold-deep); outline-offset: 5px; }
.social-code { position: absolute; z-index: 30; bottom: 100%; left: 50%; transform: translateX(-50%); width: 224px; padding: 12px; margin-bottom: 12px; background: white; border: 1px solid #e6ded7; border-radius: 5px; box-shadow: 0 6px 24px #00000014; text-align: center; }
.social-code[hidden] { display: none; }
.footer-social:last-child .social-code { left: auto; right: 0; transform: none; }
.social-code::after { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 14px; }
.social-code img { width: 198px; height: 198px; object-fit: contain; }
.social-code p { margin: 8px 0 0; font-size: 12px; color: var(--body); }
.footer-address {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: var(--body);
  font-style: normal;
  font-size: 12px;
  line-height: 1.7;
}
.footer-address svg { display: block; width: 17px; height: 17px; flex-shrink: 0; color: var(--gold-deep); }

.footer-bottom {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid #e5e5e5;
  color: #888;
  font-size: 12px;
}

.footer-bottom p {
  margin: 0;
}

.back-top {
  position: fixed;
  z-index: 100;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  visibility: hidden;
  opacity: 0;
  color: #fff;
  background: var(--gold-deep);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transform: translateY(10px);
  transition: opacity .25s ease, visibility .25s, transform .25s ease;
}

.back-top.is-visible {
  visibility: visible;
  opacity: 1;
  transform: none;
}

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 5000;
  padding: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  background: rgba(0, 0, 0, .88);
  transition: opacity .25s ease, visibility .25s;
}

.video-modal.is-open {
  visibility: visible;
  opacity: 1;
}

.video-modal video {
  width: min(1180px, 100%);
  max-height: calc(100vh - 144px);
  background: #000;
}

.video-close {
  position: absolute;
  top: 22px;
  right: 28px;
  width: 44px;
  height: 44px;
  padding: 0;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .65);
  border-radius: 50%;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .8s ease, transform .8s ease;
}

.reveal-from-left,
.reveal-from-right,
.reveal-up-big {
  visibility: hidden;
  opacity: 0;
}

.reveal-from-left.is-visible {
  visibility: visible;
  animation: fadeInLeftBig 1s .3s ease-in-out both;
}

.reveal-from-right.is-visible {
  visibility: visible;
  animation: fadeInRightBig 1s .3s ease-in-out both;
}

.reveal-up-big.is-visible {
  visibility: visible;
  animation: fadeInUpBig 1s var(--delay, 0s) ease-in-out both;
}

@keyframes fadeInLeftBig {
  from { opacity: 0; transform: translateX(-2000px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRightBig {
  from { opacity: 0; transform: translateX(2000px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInUpBig {
  from { opacity: 0; transform: translateY(2000px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; top: -20px; }
  to { opacity: 1; top: 0; }
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1480px) {
  .header-shell { width: calc(100% - 32px); }
  .nav-item { padding-inline: 13px; }
  .header-phone { margin-left: 18px; }
  .header-phone strong { font-size: 19px; }
  .solution-menu { gap: 18px; }
  .case-item .iconfont { width: 96px; height: 96px; font-size: 38px; }
}

@media (max-width: 1180px) {
  :root { --header-height: 76px; }
  .site-header { color: #333; background: rgba(255, 255, 255, .98); box-shadow: 0 3px 8px rgba(0, 0, 0, .07); }
  .logo-white { opacity: 0; }
  .brand .logo-color { opacity: 1; }
  .header-phone { margin-left: 18px; }
  .menu-toggle { display: block; }
  .main-nav {
    position: fixed;
    inset: var(--header-height) 0 0;
    height: auto;
    margin: 0;
    visibility: hidden;
    opacity: 0;
    background: #fff;
    overflow-y: auto;
    transform: translateY(-10px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .main-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .nav-list { height: auto; padding: 22px 28px 60px; flex-direction: column; align-items: stretch; }
  .nav-item { height: auto; padding: 0; display: block; border-bottom: 1px solid var(--line); }
  .nav-link { min-height: 58px; height: auto; font-size: 17px; }
  .nav-link::after { display: none; }
  .submenu { position: static; display: none; visibility: visible; opacity: 1; transform: none; box-shadow: none; }
  .has-submenu.is-expanded .submenu { display: block; }
  .submenu-inner,
  .solution-menu { position: static; left: auto; width: auto; max-width: none; min-height: 0; padding: 12px 0 20px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 18px; justify-content: stretch; transform: none; }
  .submenu-inner a { padding: 8px 12px; font-size: 14px; }
  .hero-copy h1,
  .hero-copy h2 { font-size: 50px; }
  .about-home { display: block; }
  .about-spacer { display: none; }
  .about-shell { width: min(calc(100% - 48px), var(--content)); margin-inline: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 46px; }
  .about-copy,
  .about-image { width: auto; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .about-copy { padding-bottom: 80px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-columns { grid-template-columns: repeat(2, 1fr); }
  .advantage-column:nth-child(2) { border-right: 1px solid var(--line); }
  .advantage-column:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .case-track { grid-template-columns: repeat(4, 1fr); gap: 56px 0; }
  .case-item:nth-child(4)::after,
  .case-item:nth-child(8)::after { display: none; }
  .news-feature { grid-template-columns: 1fr 1fr; }
  .news-copy { padding: 32px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(4, 1fr); gap: 34px 24px; }
  .footer-contact { text-align: left; }
}

@media (max-width: 760px) {
  .content-width,
  .wide-width { width: calc(100% - 32px); }
  .section { padding: 70px 0 76px; }
  .header-shell { width: calc(100% - 24px); }
  .brand,
  .brand img { width: 148px; }
  .brand { flex-basis: 148px; }
  .header-phone strong { display: none; }
  .header-phone .iconfont { width: 34px; height: 34px; }
  .hero { min-height: 620px; height: 100svh; }
  .hero-slide > img { min-width: 0; object-position: center; }
  .hero-slide:nth-child(1) > img { object-position: 56% center; }
  .hero-slide:nth-child(2) > img { object-position: 55% center; }
  .hero-slide:nth-child(3) > img { object-position: 64% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(0, 0, 0, .58), rgba(0, 0, 0, .12)); }
  .hero-copy { width: calc(100% - 42px); }
  .hero-copy p { font-size: 19px; }
  .hero-copy h1,
  .hero-copy h2 { max-width: 330px; font-size: 38px; line-height: 1.35; letter-spacing: 0; }
  .hero-copy span { max-width: 310px; font-size: 14px; }
  .hero-dots { bottom: 28px; }
  .hero-dots button { width: 38px; }
  .section-title { margin-bottom: 38px; }
  .section-title p { font-size: 38px; }
  .section-title h2 { font-size: 28px; }
  .section-title-left h2 { font-size: 32px; }
  .about-shell { width: calc(100% - 32px); grid-template-columns: 1fr; gap: 36px; }
  .about-copy { max-width: none; padding-bottom: 64px; }
  .about-text p { font-size: 15px; }
  .metrics { gap: 24px 16px; }
  .metrics dt { font-size: 34px; }
  .about-image { min-height: 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { height: 350px; }
  .service-panel,
  .service-card:hover .service-panel { width: calc(100% - 40px); min-height: 190px; background: rgba(30, 25, 22, .48); }
  .service-panel em { max-height: 100px; opacity: 1; }
  .advantage-intro { margin-top: -10px; margin-bottom: 38px; text-align: left; }
  .advantage-intro h3 { font-size: 24px; }
  .advantage-intro p { font-size: 15px; }
  .advantage-columns { grid-template-columns: 1fr; }
  .advantage-column { min-height: 300px; padding: 28px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .advantage-column:last-child { border-bottom: 0; }
  .advantage-number { font-size: 58px; }
  .case-track { grid-template-columns: repeat(2, 1fr); gap: 48px 0; }
  .case-item:nth-child(2n)::after { display: none; }
  .case-item .iconfont { width: 90px; height: 90px; font-size: 36px; }
  .case-item strong { font-size: 16px; }
  .news-feature { grid-template-columns: 1fr; }
  .news-image { aspect-ratio: 4 / 3; }
  .news-copy { padding: 32px 24px 38px; }
  .news-copy time { font-size: 18px; }
  .news-copy h3 { font-size: 21px; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); gap: 34px 26px; }
  .footer-bottom { padding: 18px 0; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; }
  .back-top { right: 16px; bottom: 16px; }
  .video-modal { padding: 52px 14px 20px; }
  .video-modal video { max-height: calc(100vh - 72px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}
.service-card,.advantage-column { position: relative; }
.home-card-link { position:absolute; inset:0; z-index:5; }
.home-card-link:focus-visible { outline:2px solid var(--gold-deep); outline-offset:-4px; }
.news-cover{display:block;position:relative;width:100%;aspect-ratio:3/2;overflow:hidden}
.news-cover>img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover}