/* ==========================================================================
   yanfankeji.com - Faithful Recreation
   Combined: style.css + index.css + base.css
   Primary: #0363E9 | Accent: #33AAFF | Container: 1000px
   ========================================================================== */

/* ---------- 0. Font ---------- */
@font-face {
  font-family: 'OPPOSans';
  src: url('../fonts/OPPOSans-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'OPPOSans';
  src: url('../fonts/OPPOSans-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ---------- 1. Design Tokens ---------- */
:root {
  /* Brand */
  --color-primary: #0363E9;
  --color-primary-hover: #024ec0;
  --color-primary-light: #33AAFF;
  --color-primary-bg: rgba(3, 99, 233, 0.06);

  /* Text */
  --color-text-1: #1d2129;
  --color-text-2: #4e5969;
  --color-text-3: #86909c;
  --color-text-4: #c9cdd4;

  /* Fill / Border */
  --color-fill-1: #f7f8fa;
  --color-fill-2: #f2f3f5;
  --color-border: #e5e6eb;
  --color-bg: #ffffff;

  /* Banner */
  --color-banner-bg: #0a1e5c;
  --color-banner-text: #ffffff;
  --color-banner-sub: rgba(255, 255, 255, 0.75);

  /* Layout */
  --container-width: 1440px;
  --container-padding: 40px;
  --header-height: 72px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadow */
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);

  /* Transition */
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.25s;
}

/* ---------- 1b. Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: "OPPOSans", "PingFang SC", "Helvetica Neue", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-weight: 400;
  color: var(--color-text-1);
  line-height: 1.6;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6, strong, b, th {
  font-weight: 500;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color .3s;
}
ul, ol {
  list-style: none;
}
img {
  border: 0;
  display: inline-block;
  max-width: 100%;
  vertical-align: middle;
}
input, button, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}
button {
  cursor: pointer;
  border: none;
  background: transparent;
}

/* ---------- 2. Utilities (base.css) ---------- */
.clearfix::before,
.clearfix::after {
  display: table;
  content: "";
}
.clearfix::after {
  clear: both;
}
.fl { float: left; }
.fr { float: right; }
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }
.overflow-hidden { overflow: hidden; }

/* Container: 1440px centered */
.auto {
  width: 1440px;
  max-width: calc(100% - 80px);
  margin: 0 auto;
}

/* Alias for existing HTML that uses .container */
.container {
  width: 1440px;
  max-width: calc(100% - 80px);
  margin: 0 auto;
}

/* Spacer for fixed header */
.head-box {
  height: 72px;
}

/* Hover lift effect */
.item_scale {
  transition: transform .3s ease, box-shadow .3s ease;
}
.item_scale:hover {
  transform: translateY(-10px);
}

/* ---------- 3. Header ---------- */
.head {
  position: fixed;
  width: 100%;
  left: 0;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow .3s ease, background .3s ease;
}
.head.scrolled {
  background: #fff;
  box-shadow: 0 1px 16px rgba(0, 0, 0, 0.06);
}
.head > .auto {
  display: flex;
  align-items: center;
  height: 72px;
}

/* Logo */
.hd_logo {
  margin-right: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.hd_logo .img {
  width: 148px;
  height: auto;
  object-fit: contain;
  transition: opacity .2s;
}
.hd_logo:hover .img {
  opacity: 0.8;
}

/* Nav list */
.hd_nav {
  display: flex;
  align-items: center;
  flex: 1;
  padding: 0;
  margin: 0;
  list-style: none;
  gap: 0;
}
.hd_nav li {
  position: static;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 72px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 400;
  color: #1d2129;
  cursor: pointer;
  transition: color .25s ease;
  white-space: nowrap;
}
.hd_nav li a {
  color: inherit;
  text-decoration: none;
  position: relative;
}

/* Sliding underline indicator */
.hd_nav li::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 32px;
  height: 3px;
  background: #0363E9;
  border-radius: 2px;
  transition: transform .3s cubic-bezier(0.4, 0, 0.2, 1);
}
.hd_nav li:hover::after,
.hd_nav li.cur::after {
  transform: translateX(-50%) scaleX(1);
}
.hd_nav li:hover {
  color: #0363E9;
}
.hd_nav li.cur {
  color: #0363E9;
  font-weight: 500;
}

/* Arrow icon — rotate on hover */
.hd_nav_item_menu_img {
  width: 16px;
  height: 16px;
  margin-left: 2px;
  opacity: 0.4;
  transition: transform .3s ease, opacity .25s ease;
}
.hd_nav li:hover .hd_nav_item_menu_img {
  transform: rotate(180deg);
  opacity: 0.7;
}

/* CTA button — pinned right */
.hd_nav_item_btn {
  margin-left: auto;
  padding: 0 24px;
  height: 38px;
  line-height: 38px;
  border-radius: 4px;
  background: #0363E9;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .25s ease, box-shadow .25s ease, transform .2s ease;
}
.hd_nav_item_btn a {
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.hd_nav_item_btn a::after {
  content: '\2192';
  font-size: 15px;
  transition: transform .25s ease;
}
.hd_nav_item_btn:hover {
  background: #024ec0;
  box-shadow: 0 4px 12px rgba(3, 99, 233, 0.3);
  transform: translateY(-1px);
}
.hd_nav_item_btn:hover a::after {
  transform: translateX(3px);
}

/* Mega menu (full-width dropdown under nav) */
.hd_nav_item_menu {
  display: none;
  position: absolute;
  top: 72px;
  width: 100vw;
  height: 456px;
  text-align: center;
  background: #fff;
  left: 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
  z-index: 99;
  animation: menuFadeIn .2s ease;
}
@keyframes menuFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hd_nav li:hover .hd_nav_item_menu {
  display: flex;
}

/* Mega menu left panel */
.hd_nav_item_menu .popup-left {
  position: relative;
  width: 300px;
  padding: 40px 20px;
  text-align: left;
  background-size: cover;
  background-position: center;
}
.hd_nav_item_menu .popup-left .popup-left-title {
  color: #1d2129;
  font-size: 24px;
  font-weight: 500;
  line-height: 32px;
}
.hd_nav_item_menu .popup-left .popup-left-desc {
  color: #1d2129;
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  margin-top: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Mega menu product list */
.hd_nav_item_menu .popup-list {
  flex: 1;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-content: flex-start;
  padding: 20px;
  text-align: left;
  overflow-y: auto;
}
.hd_nav_item_menu .popup-item {
  width: 30%;
  padding: 20px;
  margin: 0;
  line-height: 2;
  color: #333;
  cursor: pointer;
  transition: background .2s;
}
.hd_nav_item_menu .popup-item > a {
  display: grid;
}
.hd_nav_item_menu .popup-item:hover {
  background-color: #fff;
}
.hd_nav_item_menu .popup-item:hover .popup-item-title {
  color: #0363E9;
}
.popup-item-title {
  color: #1d2129;
  font-size: 16px;
  font-weight: 500;
  line-height: 24px;
}
.popup-item-desc {
  color: #4e5969;
  font-size: 14px;
  font-family: 'Microsoft YaHei', sans-serif;
  line-height: 22px;
  margin-top: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Standard dropdown (single column) */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, .08);
  border: 1px solid #f2f3f5;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s, transform .25s;
  pointer-events: none;
  z-index: 99;
}
.nav-item:hover .dropdown,
.hd_nav_item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: #1d2129;
  border-radius: 4px;
  transition: background .2s;
  white-space: nowrap;
}
.dropdown a:hover {
  background: #e6f0ff;
  color: #0363E9;
}

/* Mega dropdown (two-column grid) */
.mega-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 440px;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, .08);
  border: 1px solid #f2f3f5;
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s, transform .25s;
  pointer-events: none;
  z-index: 99;
}
.nav-item:hover .mega-dropdown,
.hd_nav_item:hover .mega-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.mega-dropdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
}
.mega-dropdown-grid a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 14px;
  color: #1d2129;
  border-radius: 4px;
  transition: background .2s;
  white-space: nowrap;
}
.mega-dropdown-grid a:hover {
  background: #e6f0ff;
  color: #0363E9;
}
.mega-dropdown-grid a .mega-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: #e6f0ff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #0363E9;
  font-size: 16px;
}

/* btn-nav alias (uses same style as header CTA) */
.btn-nav {
  display: inline-block;
  padding: 0 24px;
  border-radius: 4px;
  color: #fff;
  background-color: #0363E9;
  border: 0;
  line-height: 38px;
  font-size: 14px;
  cursor: pointer;
  transition: background .25s ease, box-shadow .25s ease, transform .2s ease;
  text-align: center;
  text-decoration: none;
}
.btn-nav:hover {
  background-color: #024ec0;
  box-shadow: 0 4px 12px rgba(3, 99, 233, 0.3);
  transform: translateY(-1px);
}

/* Nav right wrapper */
.nav-right {
  display: flex;
  align-items: center;
  margin-left: auto;
  flex-shrink: 0;
}

/* Mobile menu toggle */
.sj_menu,
.menu-toggle,
.hd_mobile_menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.sj_menu span,
.menu-toggle span,
.hd_mobile_menu span {
  width: 24px;
  height: 2px;
  background: #1d2129;
  border-radius: 2px;
  transition: .3s;
}

/* ---------- 4. Banner ---------- */
.index_banner,
.idx_banner,
.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-top: 0;
  height: 620px;
  background: #eef1f6;
}
.index_banner > .banner-video {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.index_banner > .banner-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Hero background overlay */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 13, 45, 0.85) 0%, rgba(10, 30, 92, 0.7) 50%, rgba(0, 62, 179, 0.6) 100%);
}

/* Banner content overlay */
.index_banner.idx_banner .idx_banner_content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  top: 72px;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  width: 1440px;
  max-width: calc(100% - 80px);
  box-sizing: border-box;
  z-index: 3;
}

/* Banner left text */
.idx_banner .idx_banner_left {
  max-width: 680px;
}
.idx_banner .idx_banner_left .title {
  color: var(--color-text-1);
  font-size: 48px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 2px;
}
.idx_banner .idx_banner_left .descrip {
  font-size: 16px;
  color: var(--color-text-2);
  line-height: 30px;
  margin-top: 28px;
  letter-spacing: 0.5px;
}

/* Banner right placeholder */
.idx_banner_right {
  width: 420px;
  height: 420px;
  flex-shrink: 0;
}

/* Inner banner (product/system pages) */
.inner_banner {
  height: 480px;
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  box-sizing: border-box;
  padding-left: calc((100% - 1440px) / 2);
  padding-right: calc((100% - 1440px) / 2);
}
.inner_banner .top-main .top-title {
  color: #1d2129;
  font-size: 48px;
  font-weight: 400;
  line-height: 56px;
}
.inner_banner .top-main .top-line {
  width: 94px;
  height: 5px;
  flex-shrink: 0;
}
.inner_banner .top-main .top-content {
  margin-top: 20px;
  color: #4e5969;
  font-size: 24px;
  font-weight: 400;
  line-height: 32px;
  width: 630px;
}

/* Blue accent line */
.idx_banner_left .line {
  width: 94px;
  height: 5px;
  background: #33AAFF;
  margin: 16px 0;
}

/* Hero buttons */
.hero-btns {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* Banner bottom bar */
.idx_banner_bottom {
  display: flex;
  justify-content: space-evenly;
  background-color: rgba(255, 255, 255, 0.4);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  height: 100px;
  position: absolute;
  bottom: 0;
  width: 100%;
  align-items: center;
  z-index: 3;
}
.idx_banner_bottom_item {
  text-align: center;
}
.idx_banner_bottom .idx_banner_bottom_title {
  color: #0b1d30;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  line-height: 24px;
  margin-bottom: 8px;
}
.idx_banner_bottom .idx_banner_bottom_msg {
  color: #4e5969;
  text-align: center;
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 40px;
  border-radius: 2px;
  font-size: 16px;
  font-weight: 400;
  cursor: pointer;
  border: none;
  transition: transform .2s, box-shadow .2s, background .2s;
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: #fff;
  color: #0363E9;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid #fff;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, .1);
}
.btn-blue {
  background: #0363E9;
  color: #fff;
}
.btn-blue:hover {
  background: #024ec0;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(3, 99, 233, .3);
}

/* ---------- 6. Stats / Metrics Bar ---------- */
.idx_top {
  width: 1440px;
  max-width: calc(100% - 80px);
  margin: 0 auto;
  height: 280px;
  position: relative;
}
.idx_top .clearfix.index-show {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 100%;
}
.idx_top li {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0;
  box-shadow: none;
}
.idx_top li .info {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.idx_top .icon {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}
.idx_top .num {
  font-family: 'D-DIN', 'DIN Alternate', 'Roboto Condensed', monospace;
  font-size: 28px;
  color: #111;
  font-weight: bold;
  line-height: normal;
}
.idx_top .num span {
  font-size: 36px;
  color: #0363E9;
}
.idx_top .font {
  color: #666;
  font-size: 12px;
  line-height: normal;
}

/* ---------- 7. Section Titles (shared) ---------- */
.section {
  padding: 80px 0;
}
.section-light {
  background: #f7f8fa;
}
.section-dark {
  background: #000d2d;
  color: #fff;
}

.idx_titbox,
.section-title {
  padding-top: 0;
  text-align: center;
  margin-bottom: 64px;
}
.idx_titbox {
  padding-top: 80px;
}
.idx_titbox .title,
.section-title h2 {
  color: #1d2129;
  text-align: center;
  font-size: 36px;
  font-weight: 500;
  line-height: 44px;
  margin-bottom: 12px;
}
.idx_titbox .msg,
.section-title p {
  color: #4e5969;
  text-align: center;
  font-size: 16px;
  line-height: 24px;
  margin-top: 12px;
}
.section-dark .section-title h2 {
  color: #fff;
}
.section-dark .section-title p {
  color: rgba(255, 255, 255, .6);
}

/* Title bottom border accent */
.title-bottom-border {
  margin: 25px auto 0;
  width: 128px;
  height: 4px;
  background-color: #0363E9;
  box-shadow: 0 12px 12px 0 rgba(3, 99, 233, 0.4);
}

/* ---------- 8. Ecosystem / Industry ---------- */
.index-industry,
.ecosystem-section {
  padding: 80px 0;
}
.ecosystem-section .container,
.index-industry .auto {
  text-align: center;
}
.industry-img,
.ecosystem-img {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
}
.industry-img img,
.ecosystem-img img {
  width: 100%;
  height: auto;
  display: block;
}
.industry-img video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 9. Products / Domain Info ---------- */
.domain-info {
  background-image: url("../images/banners/index-scheme-bg.png");
  background-size: 115%;
  background-position: bottom;
  background-repeat: no-repeat;
  padding: 80px 0;
}
.products-section {
  padding: 80px 0;
  background: #f7f8fa;
}

/* Tab navigation for domain-info */
.domain-tab {
  display: flex;
  margin-top: 80px;
}
.pc-tab {
  width: 200px;
  margin-right: 30px;
  flex-shrink: 0;
}
.pc-tab-option {
  display: block;
  padding: 16px 20px;
  font-size: 16px;
  color: #4e5969;
  cursor: pointer;
  border-radius: 8px;
  transition: background .2s, color .2s;
  margin-bottom: 8px;
  text-align: left;
}
.pc-tab-option:hover {
  background: rgba(255, 255, 255, .5);
}
.pc-tab-option.active {
  background: rgba(255, 255, 255, .8);
  color: #0363E9;
  font-weight: 500;
}

/* Swiper area */
.info-swiper {
  flex: 1;
  height: 810px;
  overflow: hidden;
  position: relative;
}
.info-slide {
  display: none;
}
.info-slide.active {
  display: block;
}
.swiper-title {
  font-size: 48px;
  font-weight: 500;
  line-height: 56px;
  color: #1d2129;
}
.swiper-msg {
  font-size: 20px;
  color: #4e5969;
  line-height: 28px;
  margin-top: 24px;
}
.domain-tab .img-inner {
  margin-top: 24px;
  width: 960px;
  max-width: 100%;
  height: 508px;
  border-radius: 12px;
  border: 1px solid #fff;
  background-color: rgba(255, 255, 255, .4);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  overflow: hidden;
}
.img-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Product cards grid (modern layout) */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  display: block;
  background: #fff;
  border: 1px solid #f2f3f5;
  border-radius: 4px;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  text-decoration: none;
  color: inherit;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
}
.product-card-img {
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: #e6f0ff;
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.product-card:hover .product-card-img img {
  transform: scale(1.05);
}
.product-card-body {
  padding: 20px;
}
.product-card-body h3 {
  font-size: 16px;
  font-weight: 500;
  line-height: 24px;
  color: #1d2129;
  margin-bottom: 8px;
}
.product-card-body p {
  font-size: 14px;
  line-height: 22px;
  color: #86909c;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 10. Architecture ---------- */
.architecture-section {
  padding: 80px 0;
}
.architecture-section .container {
  text-align: center;
}
.architecture-img {
  max-width: 100%;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
}
.architecture-img img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 11. Why Us / Core Services ---------- */
.idx_core_services,
.why-section {
  padding: 80px 0;
  background: #f7f8fa;
}
.idx_core_services .list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.idx_core_services .item {
  height: 248px;
  display: flex;
  flex-direction: column;
  background: transparent;
  padding: 32px 24px;
  transition: transform .3s;
}
.idx_core_services .item:hover {
  transform: translateY(-4px);
}
.idx_core_services .item .img {
  width: 50px;
  height: 50px;
  margin-bottom: 16px;
}
.idx_core_services .item .title {
  color: #1d2129;
  font-size: 24px;
  font-weight: 500;
  line-height: 32px;
  margin-bottom: 12px;
}
.idx_core_services .item .desc {
  width: 500px;
  color: #4e5969;
  font-size: 16px;
  line-height: 28px;
}

/* Why-us cards (modern layout) */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: #fff;
  border: 1px solid #f2f3f5;
  border-radius: 4px;
  padding: 32px 24px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
  border-color: #91caff;
}
.why-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #e6f0ff, #bae0ff);
}
.why-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.why-icon svg {
  width: 40px;
  height: 40px;
  color: #0363E9;
}
.why-card h3 {
  font-size: 18px;
  font-weight: 500;
  line-height: 26px;
  color: #1d2129;
  margin-bottom: 12px;
}
.why-card p {
  font-size: 14px;
  line-height: 22px;
  color: #86909c;
}

/* ---------- 12. CTA Section ---------- */
.idx_last,
.cta-section {
  height: 240px;
  background-image: url("../images/banners/index-bottom-bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cta-section {
  height: auto;
  padding: 80px 0;
}
.cta-section .cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.cta-section .cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

/* Original CTA layout (two-column) */
.idx_ad {
  display: flex;
  height: 100%;
  align-items: center;
  width: 1000px;
  margin: 0 auto;
}
.idx_ad_left {
  width: 50%;
}
.idx_ad_left .title {
  font-size: 36px;
  font-weight: 500;
  color: #fff;
  line-height: 48px;
}
.idx_ad_left .msg {
  font-size: 16px;
  font-weight: 400;
  color: #fff;
  line-height: 24px;
  margin-top: 8px;
}
.idx_ad_right {
  display: flex;
  width: 50%;
  justify-content: space-around;
}
.idx_ad_right .item {
  text-align: center;
}
.idx_ad_right .item .title {
  font-size: 14px;
  color: rgba(255, 255, 255, .8);
  line-height: 22px;
}
.idx_ad_right .item .msg {
  font-size: 36px;
  font-weight: bold;
  color: #fff;
  line-height: 44px;
  margin-top: 8px;
}

/* Modern CTA layout (centered) */
.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}
.cta-content h2 {
  font-size: 36px;
  font-weight: 500;
  line-height: 48px;
  color: #fff;
}
.cta-content p {
  font-size: 18px;
  line-height: 28px;
  color: rgba(255, 255, 255, .6);
  max-width: 640px;
}
.cta-content .btn {
  margin-top: 8px;
}
.cta-btns {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
}
.cta-section .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, .4);
}
.cta-section .btn-outline:hover {
  background: rgba(255, 255, 255, .1);
  border-color: #fff;
}

/* ---------- 13. Performance Highlights ---------- */
.performance-section {
  padding: 80px 0;
  background: #f7f8fa;
}
.performance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.performance-card {
  background: #fff;
  border: 1px solid #f2f3f5;
  border-radius: 4px;
  padding: 40px 24px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.performance-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
}
.performance-num {
  font-family: 'D-DIN', 'DIN Alternate', 'Roboto Condensed', monospace;
  font-size: 48px;
  font-weight: 400;
  color: #0363E9;
  line-height: 1;
  margin-bottom: 12px;
}
.performance-label {
  font-size: 14px;
  color: #4e5969;
  line-height: 22px;
}

/* ---------- 14. Partner Marquee ---------- */
.partner-section {
  padding: 80px 0;
}
.partner-track-wrap {
  overflow: hidden;
  width: 100%;
  position: relative;
}
.partner-track-wrap::before,
.partner-track-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.partner-track-wrap::before {
  left: 0;
  background: linear-gradient(to right, #fff, transparent);
}
.partner-track-wrap::after {
  right: 0;
  background: linear-gradient(to left, #fff, transparent);
}
.partner-track {
  display: flex;
  gap: 20px;
  animation: marquee-scroll 120s linear infinite;
  width: max-content;
}
.partner-track:hover {
  animation-play-state: paused;
}
.partner-track.reverse {
  animation-direction: reverse;
}
.partner-card {
  flex-shrink: 0;
  width: 200px;
  height: 80px;
  background: #fff;
  border: 1px solid #f2f3f5;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  transition: border-color .2s, box-shadow .2s;
}
.partner-card:hover {
  border-color: #91caff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .04);
}
.partner-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter .3s, opacity .3s;
}
.partner-card:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- 15. Footer ---------- */
.footer {
  background: #2a2e3b;
  color: #fff;
  padding: 64px 0 32px;
}
.footer > .auto,
.footer .container {
  width: 1000px;
  margin: 0 auto;
}

/* Footer top - columns */
.footer_t,
.footer-grid {
  display: flex;
  gap: 48px;
  margin-bottom: 48px;
}

/* Footer column */
.ft_col1,
.footer-col {
  flex: 1;
}
.ft_col1 .tit,
.footer-col h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 15px;
  font-weight: 500;
  line-height: 28px;
}
.ft_col1 .lk,
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  line-height: 30px;
  transition: color .2s;
  padding: 2px 0;
}
.ft_col1 .lk:hover,
.footer-col a:hover {
  color: #fff;
}

/* Footer brand */
.footer-brand {
  width: 320px;
  flex-shrink: 0;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 500;
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand .footer-logo img {
  height: 32px;
  width: auto;
  object-fit: contain;
}
.footer-brand p {
  font-size: 14px;
  line-height: 24px;
  color: #c9cdd4;
}

/* QR code */
.footer-col.footer-qr {
  flex: none;
}
.footer-qr-grid {
  display: flex;
  gap: 24px;
}
.footer-qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.footer-qr-item img {
  width: 125px;
  height: 125px;
  border-radius: 4px;
  background: #fff;
}
.footer-qr-item span {
  font-size: 12px;
  color: #c9cdd4;
}

/* Footer bottom */
.footer_b,
.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom a {
  color: rgba(255, 255, 255, .4);
  transition: color .2s;
}
.footer-bottom a:hover {
  color: #fff;
}
.footer-bottom-links {
  display: flex;
  gap: 16px;
  align-items: center;
}
.footer-bottom-links span {
  color: rgba(255, 255, 255, .4);
}

/* ---------- 16. Online Service Sidebar ---------- */
.online,
.float-contact {
  position: fixed;
  right: 20px;
  bottom: 100px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.online .item,
.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #eee;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 16px rgba(0, 0, 0, .08);
  transition: all .3s ease;
  position: relative;
  text-decoration: none;
}
.online .item:hover,
.float-btn:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, .14);
  transform: scale(1.06);
  border-color: #91caff;
}
.online .item .fa {
  font-size: 20px;
  color: #4e5969;
  transition: color .3s;
}
.online .item:hover .fa {
  color: #0363E9;
}
.float-btn svg {
  width: 24px;
  height: 24px;
  stroke: #1d2129;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: all .3s;
  color: #1d2129;
}
.float-btn:hover svg {
  stroke: #0363E9;
  color: #0363E9;
}

/* Popup panel (left side) */
.online .item .panel,
.float-btn .float-panel {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%) scale(.95);
  min-width: 220px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .12);
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: all .25s ease;
}
.online .item:hover .panel,
.float-btn:hover .float-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) scale(1);
}
.float-panel::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  border: 8px solid transparent;
  border-left-color: #fff;
  border-right: none;
}
.float-panel-title {
  font-size: 15px;
  font-weight: 600;
  color: #1d2129;
  margin-bottom: 8px;
}
.float-panel-desc {
  font-size: 13px;
  color: #86909c;
  line-height: 1.6;
}
.float-panel-phone {
  font-size: 20px;
  font-weight: 600;
  color: #0363E9;
  letter-spacing: .5px;
}
.float-panel-sub {
  font-size: 12px;
  color: #86909c;
  margin-top: 4px;
}
.float-panel-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.float-panel-qr img {
  width: 140px;
  height: 140px;
  border-radius: 8px;
  background: #f5f5f5;
}
.float-panel-qr span {
  font-size: 12px;
  color: #86909c;
  margin-top: 8px;
}

/* Back to top */
.float-btn.back-top {
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
}
.float-btn.back-top.show {
  opacity: 1;
  pointer-events: auto;
}
.float-btn.back-top svg {
  stroke: #1d2129;
}
.float-btn.back-top:hover svg {
  stroke: #0363E9;
}

/* Back to top (standalone) */
.back-top-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  color: #1d2129;
  font-size: 16px;
  line-height: 44px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .15);
  cursor: pointer;
  border: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  z-index: 999;
}
.back-top-btn.show {
  opacity: 1;
  pointer-events: auto;
}
.back-top-btn:hover {
  background: #0363E9;
  color: #fff;
}

/* ---------- 17. Cases Page (案例展示) ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: #fff;
  border: 1px solid #f2f3f5;
  border-radius: 4px;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
}
.case-card-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
}
.case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.case-card:hover .case-card-img img {
  transform: scale(1.05);
}
.case-card-body {
  padding: 20px;
}
.case-card-body h3 {
  font-size: 16px;
  font-weight: 500;
  line-height: 24px;
  color: #1d2129;
  margin-bottom: 8px;
}
.case-card-body p {
  font-size: 14px;
  line-height: 22px;
  color: #86909c;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 18. About Page ---------- */
.about-hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #000d2d 0%, #0a1e5c 50%, #003eb3 100%);
  color: #fff;
  text-align: center;
}
.about-hero h1 {
  font-size: 40px;
  font-weight: 500;
  line-height: 52px;
  margin-bottom: 16px;
}
.about-hero p {
  font-size: 18px;
  line-height: 30px;
  color: rgba(255, 255, 255, .8);
  max-width: 640px;
  margin: 0 auto;
}
.about-section {
  padding: 80px 0;
}
.about-section h2 {
  font-size: 36px;
  font-weight: 500;
  line-height: 44px;
  color: #1d2129;
  margin-bottom: 24px;
  text-align: center;
}
.about-section p {
  font-size: 16px;
  line-height: 28px;
  color: #4e5969;
}

/* Contact info */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card {
  background: #fff;
  border: 1px solid #f2f3f5;
  border-radius: 4px;
  padding: 32px 24px;
  text-align: center;
}
.contact-card .icon {
  font-size: 32px;
  color: #0363E9;
  margin-bottom: 16px;
}
.contact-card h3 {
  font-size: 16px;
  font-weight: 500;
  color: #1d2129;
  margin-bottom: 8px;
}
.contact-card p {
  font-size: 14px;
  color: #4e5969;
  line-height: 22px;
}

/* Certs / qualifications */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cert-card {
  background: #fff;
  border: 1px solid #f2f3f5;
  border-radius: 4px;
  overflow: hidden;
  text-align: center;
  padding: 16px;
}
.cert-card img {
  width: 100%;
  height: auto;
  margin-bottom: 8px;
}
.cert-card p {
  font-size: 13px;
  color: #4e5969;
}

/* ---------- 18b. About Page — Banner Override ---------- */
.about-page .inner_banner {
  position: relative;
  height: 400px;
  justify-content: center;
  text-align: center;
  color: #fff;
}
.about-page .inner_banner .top-main {
  position: relative;
  z-index: 2;
}
.about-page .inner_banner .top-title {
  font-size: 42px;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 12px;
}
.about-page .inner_banner .top-line {
  width: 60px;
  height: 3px;
  background: #33AAFF;
  margin: 0 auto 16px;
}
.about-page .inner_banner .top-content {
  font-size: 18px;
  color: rgba(255,255,255,.85);
  width: auto;
}

/* Company introduction */
.introduced {
  padding: 80px 0;
}
.introduced .auto {
  display: flex;
  align-items: center;
  gap: 48px;
}
.introduced-img {
  flex: 0 0 420px;
}
.introduced-img img {
  width: 100%;
  border-radius: 8px;
}
.introduced-info .title {
  font-size: 28px;
  font-weight: 600;
  color: #1d2129;
  margin-bottom: 20px;
}
.introduced-info .content {
  font-size: 16px;
  line-height: 28px;
  color: #4e5969;
}

/* Our Vision */
.our-vision {
  padding: 80px 0;
  background: #f7f8fa;
}
.our-vision-content {
  font-size: 18px;
  line-height: 32px;
  color: #4e5969;
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
}
.our-vision-earth {
  width: 100%;
  height: 200px;
  background: radial-gradient(ellipse at center, rgba(3,99,233,.15) 0%, transparent 70%);
  border-radius: 50%;
}

/* Our Mission */
.our-vision2 {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, #000d2d 0%, #0a1e5c 60%, #003eb3 100%);
  color: #fff;
}
.our-vision2 .idx_titbox .title {
  color: #fff;
}
.our-vision2-content {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-top: 48px;
}
.our-vision2-item {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 32px 24px;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.12);
}
.our-vision2-item .img1 {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(51,170,255,.2);
  border-radius: 50%;
}
.our-vision2-item .title {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}
.our-vision2-item .desc {
  font-size: 14px;
  line-height: 22px;
  color: rgba(255,255,255,.75);
}

/* Enterprise Qualifications */
.enterprise-qualification {
  position: relative;
  padding: 80px 0;
}
.enterprise-qualification .cert-grid {
  margin-top: 40px;
}

/* ---------- 18c. Demo Page — Tab + Content Panels ---------- */
.structure {
  padding: 40px 0 80px;
  margin-top: 0;
}
.structure-bg {
  max-width: 1000px;
  margin: 0 auto;
}
.structure-content-tab {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  border-bottom: 2px solid #f2f3f5;
  padding-bottom: 0;
}
.structure-content-tab .tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  cursor: pointer;
  font-size: 15px;
  color: #4e5969;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color .3s, border-color .3s;
  white-space: nowrap;
}
.structure-content-tab .tab-btn img {
  width: 24px;
  height: 24px;
}
.structure-content-tab .tab-btn:hover {
  color: #0363E9;
}
.structure-content-tab .tab-btn.pitch {
  color: #0363E9;
  font-weight: 500;
  border-bottom-color: #0363E9;
}

/* Hospital cards */
.hospital-content,
.product-content,
.business-content,
.energy-content,
.structure-content {
  display: none;
}
.hospital-content.active,
.product-content.active,
.business-content.active,
.energy-content.active,
.structure-content.active {
  display: block;
}
.hospital-main {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.hospital-card {
  background: #fff;
  border: 1px solid #e5e6eb;
  border-radius: 8px;
  padding: 24px;
  transition: transform .3s, box-shadow .3s;
}
.hospital-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
}
.hospital-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px;
  font-weight: 500;
  color: #1d2129;
  margin-bottom: 8px;
}
.hospital-go-system {
  position: relative;
  width: 24px;
  height: 24px;
}
.hospital-go-system .arrows {
  width: 24px;
  position: absolute;
  top: 0;
  left: 0;
}
.hospital-go-system .arrows-a {
  width: 24px;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity .3s;
}
.hospital-card:hover .arrows-a {
  opacity: 1;
}
.hospital-card:hover .arrows {
  opacity: 0;
}
.hospital-text {
  font-size: 14px;
  line-height: 22px;
  color: #86909c;
  margin-bottom: 16px;
}
.hospital-img {
  border-radius: 4px;
  overflow: hidden;
}
.hospital-img img {
  width: 100%;
  display: block;
}

/* Product cards (demo page) */
.product-content .product-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid #e5e6eb;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 16px;
  transition: transform .3s, box-shadow .3s;
}
.product-content .product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}
.product-content .product-icon {
  flex: 0 0 48px;
}
.product-content .product-icon img {
  width: 48px;
  height: 48px;
}
.product-content .product-info-title {
  font-size: 16px;
  font-weight: 500;
  color: #1d2129;
  margin-bottom: 6px;
}
.product-content .product-info-description {
  font-size: 14px;
  line-height: 22px;
  color: #86909c;
}

/* Business cards (demo page) */
.business-content {
  display: none;
}
.business-content.active {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.business-card {
  position: relative;
  height: 220px;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.business-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, transparent 60%);
}
.business-info {
  position: relative;
  z-index: 1;
  padding: 20px;
  color: #fff;
}
.business-title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 6px;
}
.business-description {
  font-size: 13px;
  line-height: 20px;
  color: rgba(255,255,255,.85);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Energy / Structure overview empty state */
.energy-content.active,
.structure-content.active {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: #86909c;
  font-size: 16px;
}

/* Cases page categories */
.cases-category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.cases-category-card {
  background: #fff;
  border: 1px solid #e5e6eb;
  border-radius: 8px;
  padding: 32px 24px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.cases-category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  border-color: #91caff;
}
.cases-category-card .cat-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.cases-category-card h3 {
  font-size: 18px;
  font-weight: 500;
  color: #1d2129;
  margin-bottom: 8px;
}
.cases-category-card p {
  font-size: 14px;
  line-height: 22px;
  color: #86909c;
}

/* Responsive for new about/demo sections */
@media (max-width: 767px) {
  .inner_banner {
    height: 280px;
  }
  .inner_banner .top-title {
    font-size: 28px;
  }
  .introduced .auto {
    flex-direction: column;
  }
  .introduced-img {
    flex: none;
    width: 100%;
  }
  .our-vision2-content {
    flex-direction: column;
    align-items: center;
  }
  .hospital-main {
    grid-template-columns: 1fr;
  }
  .business-content.active {
    grid-template-columns: 1fr;
  }
  .structure-content-tab {
    flex-wrap: wrap;
  }
  .cases-category-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 19. Product Detail Pages ---------- */
.product-hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #000d2d 0%, #0a1e5c 50%, #003eb3 100%);
  color: #fff;
  margin-top: 0;
}
.product-hero h1 {
  font-size: 40px;
  font-weight: 500;
  line-height: 52px;
  margin-bottom: 16px;
}
.product-hero p {
  font-size: 18px;
  line-height: 30px;
  color: rgba(255, 255, 255, .8);
  max-width: 640px;
}
.product-detail {
  padding: 80px 0;
}
.product-detail h2 {
  font-size: 36px;
  font-weight: 500;
  line-height: 44px;
  color: #1d2129;
  margin-bottom: 24px;
  text-align: center;
}
.product-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.product-feature-card {
  background: #fff;
  border: 1px solid #f2f3f5;
  border-radius: 4px;
  padding: 32px 24px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.product-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
}
.product-feature-card .icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
}
.product-feature-card h3 {
  font-size: 18px;
  font-weight: 500;
  color: #1d2129;
  margin-bottom: 8px;
}
.product-feature-card p {
  font-size: 14px;
  line-height: 22px;
  color: #4e5969;
}

/* ---------- 20. Demo Page ---------- */
.demo-section {
  padding: 120px 0 80px;
  margin-top: 0;
}
.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.demo-card {
  background: #fff;
  border: 1px solid #f2f3f5;
  border-radius: 4px;
  padding: 32px 24px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
  cursor: pointer;
}
.demo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
  border-color: #91caff;
}
.demo-card .icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
}
.demo-card h3 {
  font-size: 18px;
  font-weight: 500;
  color: #1d2129;
  margin-bottom: 8px;
}
.demo-card p {
  font-size: 14px;
  line-height: 22px;
  color: #4e5969;
}

/* ---------- 21. Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* WOW.js compatibility (scroll-triggered) */
.wow {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.wow.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Slide animations */
.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .6s ease, transform .6s ease;
}
.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .6s ease, transform .6s ease;
}
.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .6s ease, transform .6s ease;
}
.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- 22. Responsive: Tablet (768px - 1024px) ---------- */
@media (max-width: 1200px) {
  .auto,
  .container,
  .header .container,
  .footer .container {
    width: 100%;
    padding: 0 40px;
  }
  .head > .auto,
  .header > .container,
  .header .container {
    width: 100%;
    padding: 0 40px;
  }
  .footer > .auto,
  .footer .container {
    width: 100%;
    padding: 0 40px;
  }
  .idx_banner_content,
  .hero-content {
    width: 100%;
    padding: 0 40px;
  }
  .idx_ad {
    width: 100%;
    padding: 0 40px;
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .performance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid,
  .footer_t {
    flex-wrap: wrap;
  }
  .footer-brand {
    width: 100%;
  }
  .hd_nav_item_btn,
  .btn-nav {
    margin-left: 40px;
  }
  .swiper-img,
  .img-inner {
    width: 100%;
  }
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cert-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .metrics-grid {
    flex-wrap: wrap;
  }
  .metric-item {
    min-width: 50%;
  }
  .metric-item:nth-child(3)::before {
    display: none;
  }
  .hd_nav li,
  .hd_nav_item,
  .nav-item {
    width: auto;
    padding: 0 14px;
    font-size: 14px;
  }
  .hd_logo,
  .logo {
    margin-right: 40px;
  }
  .domain-tab {
    flex-direction: column;
  }
  .pc-tab {
    display: flex;
    width: auto;
    flex-wrap: wrap;
    margin-right: 0;
    margin-bottom: 24px;
    gap: 8px;
  }
  .info-swiper {
    height: auto;
  }
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-features {
    grid-template-columns: repeat(2, 1fr);
  }
  .demo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 23. Responsive: Mobile (320px - 767px) ---------- */
@media (max-width: 767px) {
  .auto,
  .container,
  .header .container,
  .footer .container {
    width: 100%;
    padding: 0 16px;
  }
  .head > .auto,
  .header > .container,
  .header .container {
    width: 100%;
    padding: 0 16px;
  }
  .footer > .auto,
  .footer .container {
    width: 100%;
    padding: 0 16px;
  }

  /* Header becomes hamburger */
  .hd_nav,
  .nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: #fff;
    border-top: 1px solid #f2f3f5;
    padding: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
    margin-left: 0;
    z-index: 100;
  }
  .hd_nav.open,
  .nav.open {
    display: flex;
  }
  .sj_menu,
  .menu-toggle,
  .hd_mobile_menu {
    display: flex;
  }
  .nav-right {
    display: none;
  }
  .hd_nav_item_btn {
    display: none;
  }
  .hd_nav li,
  .hd_nav_item,
  .nav-item {
    width: 100%;
    height: auto;
    padding: 12px 20px;
    line-height: 1.6;
    border-bottom: none;
    text-align: left;
    justify-content: flex-start;
  }
  .hd_nav li:hover,
  .hd_nav_item:hover,
  .nav-item:hover,
  .nav-item.active {
    border-bottom: none;
  }

  /* Dropdowns become inline */
  .dropdown,
  .mega-dropdown {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 16px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    min-width: auto;
  }
  .mega-dropdown-grid {
    grid-template-columns: 1fr;
  }

  /* Mega menu */
  .hd_nav_item_menu {
    position: static;
    width: 100%;
    height: auto;
    flex-direction: column;
    box-shadow: none;
  }
  .popup-left {
    width: 100%;
    padding: 20px 16px;
  }
  .popup-list {
    padding: 16px;
  }
  .popup-item {
    width: 100%;
  }

  /* Hero */
  .index_banner,
  .idx_banner,
  .hero {
    min-height: 400px;
  }
  .idx_banner_content,
  .hero-content {
    width: 100%;
    padding: 0 16px;
  }
  .idx_banner_left .title,
  .hero-content h1 {
    font-size: 28px;
    line-height: 38px;
  }
  .idx_banner_left .msg,
  .hero-content p {
    font-size: 16px;
    line-height: 26px;
  }
  .hero-btns {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-btns .btn {
    width: 100%;
  }

  /* Banner bottom */
  .idx_banner_bottom {
    display: none;
  }

  /* Metrics */
  .idx_top,
  .metrics-bar {
    height: auto;
  }
  .metrics-grid {
    flex-wrap: wrap;
  }
  .metric-item {
    min-width: 50%;
    padding: 20px 0;
  }
  .metric-item::before {
    display: none !important;
  }
  .idx_top .icon,
  .metric-icon {
    width: 64px;
    height: 64px;
  }
  .idx_top .num,
  .metric-value .num,
  .metric-value .counter {
    font-size: 24px;
    line-height: 32px;
  }

  /* Section titles */
  .section {
    padding: 56px 0;
  }
  .idx_titbox {
    padding-top: 56px;
  }
  .section-title,
  .idx_titbox {
    margin-bottom: 40px;
  }
  .idx_titbox .title,
  .section-title h2 {
    font-size: 24px;
    line-height: 32px;
  }

  /* Products */
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product-card-img {
    height: 200px;
  }

  /* Domain tab layout */
  .domain-tab {
    flex-direction: column;
  }
  .pc-tab {
    display: flex;
    width: auto;
    flex-wrap: wrap;
    margin-right: 0;
    margin-bottom: 16px;
  }
  .info-swiper {
    height: auto;
  }
  .swiper-title {
    font-size: 28px;
    line-height: 36px;
  }
  .swiper-msg {
    font-size: 16px;
    line-height: 24px;
  }
  .swiper-img,
  .img-inner {
    width: 100%;
    height: auto;
  }

  /* Why us / Core services */
  .why-grid {
    grid-template-columns: 1fr;
  }
  .idx_core_services .item {
    height: auto;
  }
  .idx_core_services .item .desc {
    width: 100%;
  }

  /* Performance */
  .performance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .performance-num {
    font-size: 36px;
  }

  /* CTA */
  .idx_last {
    height: auto;
    padding: 40px 0;
  }
  .idx_ad {
    flex-direction: column;
    text-align: center;
    padding: 0 16px;
  }
  .idx_ad_left,
  .idx_ad_right {
    width: 100%;
  }
  .idx_ad_right {
    margin-top: 24px;
  }
  .cta-content h2 {
    font-size: 24px;
    line-height: 34px;
  }
  .cta-content p {
    font-size: 15px;
  }

  /* Partner */
  .partner-track-wrap::before,
  .partner-track-wrap::after {
    width: 40px;
  }
  .partner-card {
    width: 160px;
    height: 64px;
  }

  /* Footer */
  .footer_t,
  .footer-grid {
    flex-direction: column;
    gap: 32px;
  }
  .footer_b,
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .footer-qr-grid {
    justify-content: center;
  }
  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Floating contact */
  .online,
  .float-contact {
    right: 12px;
    bottom: 80px;
  }
  .online .item,
  .float-btn {
    width: 44px;
    height: 44px;
  }
  .float-btn svg {
    width: 20px;
    height: 20px;
  }
  .online .item .panel,
  .float-btn .float-panel {
    display: none;
  }

  /* Cases */
  .cases-grid {
    grid-template-columns: 1fr;
  }

  /* Certs */
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* Product features */
  .product-features {
    grid-template-columns: 1fr;
  }

  /* Demo */
  .demo-grid {
    grid-template-columns: 1fr;
  }

  /* About hero */
  .about-hero {
    padding: 80px 0 56px;
  }
  .about-hero h1 {
    font-size: 28px;
    line-height: 38px;
  }

  /* Product hero */
  .product-hero {
    padding: 80px 0 56px;
  }
  .product-hero h1 {
    font-size: 28px;
    line-height: 38px;
  }
}

/* ---------- 24. Smartpark (Business System Pages) ---------- */
.smarkpark {
  padding-bottom: 60px;
}
.smarkpark-show {
  padding: 60px 0 40px;
  text-align: center;
}
.smarkpark-show .idx_titbox {
  padding-top: 40px;
  margin-bottom: 40px;
}
.smarkpark-show .idx_titbox .cn,
.smarkpark-operation .idx_titbox .cn,
.advantage .idx_titbox .cn,
.platform-preview .idx_titbox .cn {
  font-size: 30px;
  font-weight: 500;
  color: #1D2129;
  display: inline-block;
}
.smarkpark-show .idx_titbox .cn span,
.smarkpark-operation .idx_titbox .cn span,
.advantage .idx_titbox .cn span,
.platform-preview .idx_titbox .cn span {
  position: relative;
  display: inline-block;
}
.smarkpark-show .idx_titbox .en,
.smarkpark-operation .idx_titbox .en,
.advantage .idx_titbox .en,
.platform-preview .idx_titbox .en {
  font-size: 14px;
  color: #86909C;
  margin-bottom: 8px;
}
.title-border {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #0363E9;
  border-radius: 2px;
}
.show-img {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
  display: block;
}
.smarkpark-operation {
  padding: 60px 0;
  text-align: center;
}
.smarkpark-operation .idx_titbox {
  padding-top: 0;
  margin-bottom: 30px;
}
.operation-content {
  max-width: 900px;
  margin: 0 auto 40px;
  padding: 0 20px;
  font-size: 15px;
  line-height: 28px;
  color: #4E5969;
  text-align: left;
}
.operation-img {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
}
.operation-img .img-inner {
  width: 100%;
  display: block;
}
.advantage {
  position: relative;
  padding: 60px 0 80px;
  overflow: hidden;
}
.advantage-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.advantage-bg .img-inner {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.advantage .idx_titbox {
  position: relative;
  z-index: 1;
  padding-top: 0;
  margin-bottom: 50px;
}
.advantage-info {
  position: relative;
  z-index: 1;
}
.page-center {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.advantage-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.advantage-option {
  background: #fff;
  border-radius: 12px;
  padding: 28px 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}
.advantage-option:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}
.option-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.option-title {
  font-size: 18px;
  font-weight: 500;
  color: #1D2129;
}
.option-img {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}
.option-content {
  font-size: 14px;
  line-height: 24px;
  color: #4E5969;
}
.platform-preview {
  position: relative;
  padding: 60px 0;
  text-align: center;
}
.platform-preview .idx_titbox {
  padding-top: 0;
  margin-bottom: 30px;
}
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 30px auto 0;
  padding: 0 20px;
}
.preview-grid .preview-item {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}
.preview-grid .preview-item img {
  width: 100%;
  display: block;
}
.preview-grid .preview-item:first-child {
  grid-column: 1 / -1;
}

/* ---------- 25. Hotel ---------- */
.hotel {
  padding-bottom: 0;
}
.hotel .inner_banner {
  width: 100%;
  min-height: 400px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hotel .top-main {
  text-align: center;
  padding: 40px 20px;
}
.hotel .top-title {
  font-size: 36px;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.hotel-center {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.hotel-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}
.hotel-title .title-line {
  width: 80px;
  height: 1px;
  background: #ddd;
  position: relative;
}
.hotel-title .title-ball {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0363E9;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
.hotel-title .title-line:first-child .title-ball {
  right: 0;
}
.hotel-title .title-line:last-child .title-ball {
  left: 0;
}
.hotel-title .title-text {
  font-size: 28px;
  font-weight: 500;
  color: #1D2129;
  white-space: nowrap;
}
.hotel-service {
  padding: 60px 0 40px;
}
.service-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-option {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s;
}
.service-option:hover {
  transform: translateY(-4px);
}
.service-img .img-inner {
  width: 100%;
  display: block;
  height: 200px;
  object-fit: cover;
}
.option-main {
  padding: 24px;
  display: flex;
  align-items: center;
  min-height: 120px;
}
.service-title {
  font-size: 20px;
  font-weight: 500;
  color: #1D2129;
  margin-bottom: 8px;
}
.service-content {
  font-size: 14px;
  line-height: 22px;
  color: #4E5969;
}
.hotel-describe {
  padding: 60px 0;
  background: #f7f8fa;
}
.describe-tabar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 40px;
}
.tabar-option {
  padding: 10px 28px;
  font-size: 16px;
  color: #4E5969;
  cursor: pointer;
  transition: color 0.3s;
  white-space: nowrap;
}
.tabar-option.is-active {
  color: #0363E9;
  font-weight: 500;
}
.tabar-line {
  width: 1px;
  height: 16px;
  background: #ddd;
}
.describe-option {
  display: none;
  gap: 40px;
  align-items: flex-start;
}
.describe-option:first-child,
.describe-option.active {
  display: flex;
}
.describe-img {
  flex: 0 0 45%;
}
.describe-img .img-inner {
  width: 100%;
  border-radius: 8px;
  display: block;
}
.describe-content {
  flex: 1;
}
.describe-content .content-title {
  font-size: 18px;
  font-weight: 500;
  color: #1D2129;
  margin-bottom: 8px;
  margin-top: 0;
}
.describe-content p {
  font-size: 14px;
  line-height: 26px;
  color: #4E5969;
}
.content-line {
  width: 100%;
  height: 1px;
  background: #eee;
  margin: 16px 0;
}
.hotel-system {
  padding: 60px 0;
}
.system-main {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.system-option {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  cursor: pointer;
  transition: transform 0.3s;
}
.system-option:hover {
  transform: translateY(-4px);
}
.system-option .option-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.system-option .option-bg .img-inner {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.system-option .option-content {
  position: relative;
  z-index: 1;
  font-size: 18px;
  font-weight: 500;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.hotel-sence {
  padding: 60px 0;
  background: #f7f8fa;
}
.sence-bg {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  min-height: 400px;
}
.sence-main {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  padding: 40px 20px;
}
.sence-option {
  padding: 12px 24px;
  background: linear-gradient(135deg, #0363E9, #33AAFF);
  color: #fff;
  font-size: 15px;
  border-radius: 24px;
  cursor: pointer;
  transition: transform 0.3s;
}
.sence-option:hover {
  transform: scale(1.05);
}
.sence-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.sence-icon .img-inner {
  width: 60px;
  display: block;
  margin: 0 auto 8px;
}
.sence-text {
  font-size: 16px;
  color: #1D2129;
  text-align: center;
}
.hotel-domain {
  padding: 60px 0;
}
.domain-bg {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.hotel-domain .domain-main {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.domain-option {
  border-radius: 8px;
  overflow: hidden;
}
.domain-option .img-inner {
  width: 100%;
  display: block;
}
.hotel-join {
  margin-top: 40px;
}
.join-bg {
  background: linear-gradient(135deg, #0363E9, #002b80);
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.join-main {
  text-align: center;
  padding: 40px 20px;
}
.join-title {
  font-size: 30px;
  font-weight: 500;
  color: #fff;
  margin-bottom: 12px;
}
.join-content {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 24px;
}
.join-btn {
  display: inline-block;
  padding: 12px 36px;
  background: #fff;
  color: #0363E9;
  font-size: 16px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.3s;
}
.join-btn:hover {
  opacity: 0.9;
}
.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Smartpark / Hotel responsive */
@media (max-width: 768px) {
  .advantage-list {
    grid-template-columns: 1fr;
  }
  .service-list {
    grid-template-columns: 1fr;
  }
  .system-main {
    grid-template-columns: repeat(2, 1fr);
  }
  .hotel-domain .domain-main {
    grid-template-columns: repeat(2, 1fr);
  }
  .preview-grid {
    grid-template-columns: 1fr;
  }
  .preview-grid .preview-item:first-child {
    grid-column: auto;
  }
  .smarkpark-show .idx_titbox .cn,
  .smarkpark-operation .idx_titbox .cn,
  .advantage .idx_titbox .cn,
  .platform-preview .idx_titbox .cn {
    font-size: 24px;
  }
  .hotel .top-title {
    font-size: 24px;
  }
  .hotel-title .title-text {
    font-size: 22px;
  }
  .describe-option,
  .describe-option:first-child,
  .describe-option.active {
    flex-direction: column;
  }
  .describe-img {
    flex: none;
    width: 100%;
  }
}

/* ---------- 26. Print ---------- */
@media print {
  .head,
  .header,
  .online,
  .float-contact,
  .sj_menu,
  .menu-toggle {
    display: none !important;
  }
  .head-box {
    height: 0;
  }
  body {
    color: #000;
    background: #fff;
  }
  .section {
    padding: 32px 0;
  }
}