:root {
  --bg: #f8fbff;
  --text: #26334d;
  --muted: #64708b;
  --line: rgba(18, 76, 180, 0.12);
  --primary: #1a7eff;
  --primary-deep: #0d58da;
  --card: rgba(255, 255, 255, 0.86);
  --navy: #111b3e;
  --shadow: 0 22px 60px rgba(43, 98, 196, 0.14);
  --mobile-menu-top: 74px;
  --mobile-menu-inline-gap: 14px;
  --nav-font-family: "Noto Sans SC", "Noto Sans JP", "Microsoft YaHei", sans-serif;
  --nav-label-size: 16px;
  --nav-category-size: 14px;
  --nav-service-size: 12px;
  --nav-text-color: #31507d;
  --nav-active-color: #0063e6;
  --nav-hover-bg: #ecf2fa;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(74, 180, 255, 0.14), transparent 28%),
    linear-gradient(180deg, #f3f9ff 0%, #ffffff 26%, #f7fbff 55%, #ffffff 100%);
  color: var(--text);
}

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

button {
  font: inherit;
}

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

.container {
  width: min(1200px, calc(100vw - 48px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(4px);
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid #dbdde0;
  box-shadow: none;
  font-family: var(--nav-font-family);
}

.nav {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}


.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 999px;
  transition: transform 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.brand:hover {
  background: rgba(46, 116, 245, 0.06);
  box-shadow: 0 10px 26px rgba(70, 124, 231, 0.08);
  transform: translateY(-1px);
}

.brand-mark {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 4px 14px rgba(31, 120, 255, 0.22));
}

.brand-text {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
}

.brand-text strong {
  display: block;
  width: 100%;
  white-space: nowrap;
  font-size: 20px;
  line-height: 1.1;
  font-weight: 800;
  color: #2570f4;
}

.brand-text small {
  display: flex;
  align-items: baseline;
  justify-content: flex-start;
  column-gap: 0.5px;
  width: 100%;
  white-space: nowrap;
  font-family: "Outfit", sans-serif;
  font-size: 13px;
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: 0;
  color: #6690e3;
}

.brand-word-shixian {
  letter-spacing: 0.065em;
}

.brand-word-tech {
  letter-spacing: 0.095em;
}

.menu {
  display: flex;
  align-items: center;
  gap: 32px;
  font-family: var(--nav-font-family);
  font-size: var(--nav-label-size);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0;
}

.menu .nav-link,
.menu-trigger {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: inherit;
  font-size: inherit;
  font-weight: 400;
  line-height: inherit;
  letter-spacing: inherit;
}

.menu-home {
  color: #31507d;
  font-weight: 400;
}

.menu-home::before {
  content: none;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(30, 116, 235, 0.22);
  border-radius: 10px;
  background: rgba(244, 250, 255, 0.9);
  align-items: center;
  justify-content: center;
  place-items: center;
  padding: 0;
  line-height: 0;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.menu-toggle-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  display: block;
  margin: auto;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.menu-toggle.active .menu-toggle-icon {
  transform: rotate(90deg) scale(0.96);
}

.mobile-menu {
  position: fixed;
  inset: var(--mobile-menu-top) 0 0;
  z-index: 39;
  background: rgba(15, 34, 74, 0.26);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 0 var(--mobile-menu-inline-gap) 16px;
  overflow: hidden;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

html.menu-open,
body.menu-open {
  overflow: hidden;
  overscroll-behavior: none;
}

.mobile-menu-panel {
  width: min(100%, 720px);
  background: #ffffff;
  border-bottom: 1px solid rgba(59, 125, 232, 0.14);
  box-shadow: 0 24px 50px rgba(24, 72, 161, 0.14);
  padding: 12px 16px 20px;
  display: grid;
  gap: 6px;
  transform: translateY(-8px);
  transition: transform 0.2s ease;
  border-radius: 0 0 20px 20px;
  overflow: hidden auto;
  max-height: calc(100dvh - var(--mobile-menu-top) - 16px);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.mobile-menu.open .mobile-menu-panel {
  transform: translateY(0);
}

.mobile-menu-panel a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: #294676;
  font-size: 14px;
  font-family: var(--nav-font-family);
  line-height: 1.4;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.mobile-menu-panel a:hover,
.mobile-menu-panel a:focus-visible {
  background: rgba(42, 116, 232, 0.08);
  color: #1d63d9;
  outline: none;
}

.mobile-menu-link {
  font-weight: 500;
}

.mobile-menu-section-link {
  color: #1d63d9;
  font-weight: 700;
}

.mobile-service-menu {
  display: grid;
  gap: 10px;
  margin: 0 4px 6px;
  padding: 10px 10px 12px;
  border: 1px solid rgba(116, 171, 255, 0.26);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(247, 251, 255, 0.96), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at 88% 22%, rgba(115, 170, 255, 0.18), transparent 36%);
}

.mobile-service-group {
  display: grid;
  gap: 4px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(59, 125, 232, 0.08);
}

.mobile-service-group:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.mobile-menu-panel .mobile-service-title {
  padding: 6px 8px 3px;
  color: #2f3548;
  font-size: 13px;
  font-weight: 700;
}

.mobile-menu-panel .mobile-service-item {
  padding: 6px 8px 6px 18px;
  color: #425a83;
  font-size: 13px;
  line-height: 1.35;
}

.mobile-lang-tabs {
  display: none;
}

.menu a,
.menu-trigger {
  color: var(--nav-text-color);
  position: relative;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.menu .nav-link.active-nav {
  color: var(--nav-active-color);
}

.menu a:hover,
.menu a:focus-visible,
.menu-trigger:hover,
.menu-trigger:focus-visible {
  color: var(--nav-active-color);
  outline: none;
}

.menu > a::after,
.menu-trigger::after {
  content: none;
}

.menu > a:hover::after,
.menu-trigger:hover::after,
.menu-item-dropdown.open .menu-trigger::after {
  transform: none;
}

.menu-item {
  position: relative;
}

.menu-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: auto;
  min-width: 120px;
  height: 40px;
  padding: 0 18px;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: #2f3548;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.menu-trigger:hover,
.menu-trigger:focus-visible,
.menu-item-dropdown.open .menu-trigger {
  background: var(--nav-hover-bg);
  color: var(--nav-active-color);
  outline: none;
}

.menu-trigger.interactive:hover,
.menu-trigger.interactive:focus,
.menu-trigger.interactive:focus-visible,
.menu-trigger.interactive:active,
.menu-item-dropdown.open .menu-trigger.interactive {
  transform: none;
  box-shadow: none;
}

.menu-caret {
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.22s ease;
}

.menu-item-dropdown.open .menu-caret {
  transform: rotate(-135deg) translateX(-1px);
}

.dropdown-panel {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  z-index: 25;
  width: auto;
  height: 220px;
  padding: 32px max(32px, calc((100vw - 1180px) / 2)) 0;
  box-sizing: border-box;
  overflow: hidden;
  border-radius: 0;
  isolation: isolate;
  background: rgba(255, 255, 255, 0.36);
  border: 0;
  border-bottom: 1px solid rgba(219, 221, 224, 0.72);
  box-shadow: none;
  backdrop-filter: blur(28px) saturate(165%);
  -webkit-backdrop-filter: blur(28px) saturate(165%);
  transform: translateY(-14px) scaleY(0.96);
  transform-origin: top center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.28s cubic-bezier(0.2, 0.75, 0.18, 1), visibility 0.22s ease;
}

.menu-item-dropdown.open .dropdown-panel,
.menu-item-dropdown:hover .dropdown-panel,
.menu-item-dropdown:focus-within .dropdown-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scaleY(1);
}

.dropdown-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.34) 54%, rgba(255, 255, 255, 0.18) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.62) 0%, rgba(244, 249, 255, 0.46) 100%),
    rgba(255, 255, 255, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 -1px 0 rgba(219, 221, 224, 0.42),
    0 20px 54px rgba(35, 82, 145, 0.08);
  backdrop-filter: blur(36px) saturate(190%);
  -webkit-backdrop-filter: blur(36px) saturate(190%);
}

.dropdown-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.72) 1px, transparent 1.4px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18), rgba(210, 225, 246, 0.08), rgba(255, 255, 255, 0.16));
  background-size: 5px 5px, 100% 100%;
  mix-blend-mode: screen;
}

.dropdown-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 6px 10px;
  border-radius: 10px;
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.dropdown-card:hover {
  background: rgba(66, 125, 255, 0.06);
  transform: translateY(-1px);
}

.dropdown-panel {
  display: grid;
  grid-template-columns:
    minmax(170px, 1fr)
    minmax(210px, 1fr)
    minmax(310px, 1fr)
    minmax(190px, 1fr);
  column-gap: clamp(38px, 4.5vw, 78px);
  row-gap: 0;
  align-items: start;
  justify-content: start;
}

.dropdown-icon {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  display: block;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.dropdown-icon svg {
  display: none;
}

.dropdown-panel .dropdown-card:nth-child(1) .dropdown-icon {
  background-image: url("./assets/home-index/nav-dropdown/car-sharing.png");
  background-size: 26px auto;
}

.dropdown-panel .dropdown-card:nth-child(2) .dropdown-icon {
  background-image: url("./assets/home-index/nav-dropdown/iot-system.png");
  background-size: 26px auto;
}

.dropdown-panel .dropdown-card:nth-child(3) .dropdown-icon {
  background-image: url("./assets/home-index/nav-dropdown/iot-mass.png");
  background-size: 26px auto;
}

.dropdown-panel .dropdown-card:nth-child(4) .dropdown-icon {
  background-image: url("./assets/home-index/nav-dropdown/motor-control.png");
  background-size: 26px auto;
}

.dropdown-panel .dropdown-card:nth-child(5) .dropdown-icon {
  background-image: url("./assets/home-index/nav-dropdown/mower-inspection.png");
  background-size: 26px auto;
}

.dropdown-panel .dropdown-card:nth-child(6) .dropdown-icon {
  background-image: url("./assets/home-index/nav-dropdown/locomotive-remote.png");
  background-size: 26px auto;
}

.dropdown-label {
  font-family: var(--nav-font-family);
  font-size: var(--nav-service-size);
  font-weight: 400;
  line-height: 1.2;
  color: #282828;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.dropdown-label:active {
    color: #0063E6;
    font-weight: inherit;
}

.dropdown-category {
  position: relative;
  z-index: 1;
  min-width: 0;
  width: 100%;
}

.dropdown-category-head {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 24px;
  margin-bottom: 18px;
  min-width: max-content;
}

.dropdown-category-icon {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  object-fit: contain;
  display: block;
}

.dropdown-category-title {
  font-family: var(--nav-font-family);
  font-size: var(--nav-category-size);
  line-height: 1.2;
  color: #2f3548;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.dropdown-service-list {
  display: grid;
  gap: 13px;
  padding-left: 38px;
  min-width: max-content;
}

.menu .dropdown-service-link {
  width: fit-content;
  min-width: 0;
  color: #282828;
  font-family: var(--nav-font-family);
  font-size: var(--nav-service-size);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: 2px;
  padding: 8px 10px;
  background: transparent;
  margin-left: -10px;
  white-space: nowrap;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.menu .dropdown-service-link:hover,
.menu .dropdown-service-link:focus-visible {
  color: var(--nav-active-color);
  background: var(--nav-hover-bg);
  outline: none;
}
.lang-switch,
.primary-btn,
.ghost-btn,
.carousel-btn,
.tool,
.link-btn {
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.lang-switcher {
  position: relative;
  z-index: 30;
}

.lang-switch {
  border: 0;
  background: transparent;
  color: #0063e6;
  min-width: 72px;
  height: 40px;
  border-radius: 2px;
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 8px;
  font-family: var(--nav-font-family);
  font-size: var(--nav-label-size);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.lang-switch:hover,
.lang-switch:focus-visible {
  background: transparent;
  color: #0063e6;
  outline: none;
}

.lang-switch.interactive:hover,
.lang-switch.interactive:focus,
.lang-switch.interactive:focus-visible,
.lang-switch.interactive:active {
  transform: none;
  box-shadow: none;
}

.lang-current {
  line-height: 1;
}

.lang-caret {
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.2s ease;
}

.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  width: 112px;
  padding: 12px 0;
  border-radius: 28px;
  background: rgba(245, 245, 249, 0.98);
  box-shadow: 0 18px 36px rgba(67, 95, 148, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -8px) scale(0.98);
  transition: opacity 0.2s ease, transform 0.24s ease, visibility 0.2s ease;
}

.lang-option {
  width: 100%;
  border: 0;
  background: transparent;
  color: #6e6f76;
  font-size: 14px;
  font-family: var(--nav-font-family);
  font-weight: 400;
  line-height: 1;
  padding: 20px 22px;
  text-align: center;
  cursor: pointer;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.lang-option:hover,
.lang-option:focus-visible {
  color: #2268da;
  background: rgba(31, 105, 226, 0.06);
  outline: none;
}

.lang-switcher.open .lang-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0) scale(1);
}

.lang-switcher.open .lang-caret {
  transform: rotate(-135deg) translateX(-1px);
}

.hero {
  --hero-height: clamp(520px, min(calc(100vh - 80px), calc(100vw / 1.92)), 1000px);
  height: var(--hero-height);
  position: relative;
  overflow: clip;
  background: #eef3fb;
}

@supports (height: 100svh) {
  .hero {
    --hero-height: clamp(520px, min(calc(100svh - 80px), calc(100vw / 1.92)), 1000px);
  }
}

.hero-slides {
  position: relative;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.02);
  transition: opacity 0.55s ease, transform 0.55s ease, visibility 0.55s ease;
  background:
    linear-gradient(90deg, rgba(241, 247, 255, 0.95) 0%, rgba(241, 247, 255, 0.84) 0%, rgba(241, 247, 255, 0.38) 0%, rgba(241, 247, 255, 0.08) 0%),
    var(--hero-bg) center center / cover no-repeat;
  background-position: center center;
}

.hero-slide[data-href] {
  cursor: pointer;
}

.hero-slide.active-slide {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.hero-inner {
  height: 100%;
  display: flex;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 520px;
  padding-top: 48px;
}

.eyebrow {
  display: block;
  width: 460px;
  height: 1px;
  background: linear-gradient(90deg, #2160f0, transparent);
  margin-bottom: 24px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(44px, 7vw, 68px);
  line-height: 1.15;
  color: #225cef;
  font-weight: 900;
}

.hero p {
  margin: 14px 0 0;
  font-size: clamp(22px, 4vw, 40px);
  font-family: "Outfit", sans-serif;
  color: #225cef;
  font-weight: 300;
}

.hero-actions {
  margin-top: 56px;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 240px;
  height: 68px;
  border-radius: 999px;
  border: 1px solid #178dff;
  box-shadow: 0 10px 24px rgba(23, 141, 255, 0.25);
}

.primary-btn {
  background: transparent;
  color: #178dff;
  box-shadow: none;
}

.ghost-btn {
  min-width: 180px;
  height: 42px;
  background: transparent;
  color: var(--primary);
  box-shadow: none;
}

.hero-art {
  display: none;
}

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  gap: 14px;
  z-index: 2;
}

.hero-dot {
  width: 42px;
  height: 6px;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, 0.66);
  box-shadow: 0 6px 16px rgba(57, 112, 215, 0.14);
  transition: background-color 0.2s ease, transform 0.2s ease, width 0.2s ease;
}

.hero-dot.active-dot {
  width: 54px;
  background: rgba(45, 104, 238, 0.92);
}

.hero-dot:hover {
  transform: translateY(-1px);
  background: rgba(45, 104, 238, 0.75);
}

body.detail-page {
  background:
    linear-gradient(180deg, #f6fbff 0, #f3f8ff 400px, #edf5ff 401px, #f8fbff 100%);
}

.car-sharing-main {
  overflow: clip;
}

.car-sharing-hero {
  position: relative;
}

.car-sharing-hero-bg {
  height: 400px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.08)),
    url("./assets/car-sharing/hero-bg.png") center top / cover no-repeat;
  opacity: 0.16;
}

.car-sharing-title-wrap {
  position: absolute;
  inset: 50px 0 auto;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.car-sharing-title-card {
  width: min(771px, calc(100vw - 48px));
  min-height: 219px;
  padding: 48px 48px 40px;
  text-align: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
  pointer-events: auto;
}

.car-sharing-title-card h1,
.car-sharing-heading h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #2f3548;
}

.car-sharing-en,
.car-sharing-heading span {
  display: block;
  margin-top: 10px;
  font-family: "Outfit", sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: currentColor;
}

.car-sharing-summary,
.car-sharing-heading p {
  margin: 16px auto 0;
  max-width: 680px;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.12em;
  color: #2f3548;
}

.car-sharing-banner {
  margin-top: -36px;
  padding: 78px 0 62px;
  background:
    linear-gradient(180deg, #0063e6 0%, #0063e6 72%, rgba(0, 99, 230, 0.82) 100%);
  box-shadow: inset 0 -22px 40px rgba(255, 255, 255, 0.34);
}

.car-sharing-heading {
  text-align: center;
  color: #ffffff;
}

.car-sharing-heading p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.92);
}

.car-sharing-heading.dark {
  color: #2f3548;
}

.car-sharing-heading.dark p {
  color: #5c667f;
}

.car-sharing-visual {
  position: relative;
  width: min(1101px, 100%);
  margin: 28px auto 0;
}

.car-sharing-visual-main {
  width: 100%;
  filter: drop-shadow(0 26px 36px rgba(0, 58, 138, 0.32));
}

.car-sharing-visual-badge {
  position: absolute;
  top: 8px;
  right: 6%;
  width: min(154px, 18%);
}

.car-sharing-section {
  padding: 74px 0 0;
}

.car-sharing-advantages {
  margin-top: -12px;
}

.cs-tab-card,
.cs-feature-card,
.cs-support-card,
.cs-system-card {
  border-radius: 12px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
}

.cs-tab-card {
  overflow: hidden;
  background: #f9fcff;
}

.cs-tab-header {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
}

.cs-tab-pill {
  height: 58px;
  display: grid;
  place-items: center;
  background: linear-gradient(90deg, #128cff, #69b7ff);
  color: #ffffff;
  font-size: 24px;
}

.cs-tab-pill-active {
  height: 83px;
  border-radius: 12px 12px 0 0;
}

.cs-tab-body {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  gap: 56px;
  padding: 52px 56px;
}

.cs-tab-body img {
  width: 120px;
}

.cs-tab-body p,
.cs-feature-card p,
.cs-support-card p,
.cs-system-copy li {
  margin: 0;
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.08em;
  color: #717171;
}

.cs-feature-card {
  overflow: hidden;
  background: #f9fcff;
}

.cs-feature-card-head {
  padding: 36px 32px;
  text-align: center;
  background: linear-gradient(90deg, #128cff, #69b7ff);
}

.cs-feature-card-head h3,
.cs-api-side-card strong,
.cs-support-tab,
.cs-system-copy h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 400;
}

.cs-feature-card-head h3,
.cs-api-side-card strong,
.cs-support-tab {
  color: #ffffff;
}

.cs-feature-card-body {
  display: grid;
  grid-template-columns: 152px 1fr;
  align-items: center;
  gap: 40px;
  padding: 54px 40px;
}

.cs-feature-card-body img {
  width: 152px;
}

.cs-feature-card h4 {
  margin: 0 0 14px;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #2f3548;
}

.cs-api-flow {
  display: grid;
  grid-template-columns: 364px 1fr 364px;
  align-items: center;
  gap: 54px;
  margin: 30px 0;
}

.cs-api-side-card {
  min-height: 180px;
  padding: 32px 24px;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 18px;
  border-radius: 12px;
  background: linear-gradient(90deg, #128cff, #69b7ff);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
}

.cs-api-side-card img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.cs-api-center {
  display: grid;
  place-items: center;
}

.cs-api-center img {
  width: min(312px, 100%);
}

.cs-feature-card-plain {
  background: #f9fcff;
}

.car-sharing-support-section {
  padding-top: 88px;
}

.cs-support-card {
  margin-top: 46px;
  display: grid;
  grid-template-columns: 340px 1fr;
  overflow: hidden;
  background: linear-gradient(90deg, #c0e1ff 0%, rgba(255, 255, 255, 0.6) 60.096%);
}

.cs-support-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-support-content {
  padding: 42px 44px 28px;
}

.cs-support-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 39px;
  margin-bottom: 22px;
}

.cs-support-tab {
  min-height: 58px;
  display: grid;
  place-items: center;
  border-radius: 12px 12px 0 0;
  background: linear-gradient(90deg, #128cff, rgba(105, 183, 255, 0.78));
}

.car-sharing-systems-section {
  padding: 80px 0 110px;
  background: #ffffff;
}

.cs-systems-tree {
  margin-top: 46px;
}

.cs-system-card {
  position: relative;
  display: grid;
  grid-template-columns: 152px 1fr;
  gap: 40px;
  padding: 40px;
  background: linear-gradient(90deg, #c0e1ff 0%, #f9fcff 60.096%);
}

.cs-system-card-main {
  min-height: 280px;
}

.cs-system-icon {
  display: grid;
  align-content: start;
  justify-items: center;
}

.cs-system-icon img {
  width: 120px;
  object-fit: contain;
}

.cs-system-copy h3 {
  margin-bottom: 14px;
  color: #2f3548;
}

.cs-system-copy ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.cs-system-copy li {
  position: relative;
  padding-left: 18px;
}

.cs-system-copy li::before {
  content: "·";
  position: absolute;
  left: 0;
  top: 0;
  color: #2f3548;
}

.cs-system-watermark {
  position: absolute;
  right: 28px;
  top: 34px;
  width: 180px;
  opacity: 0.08;
}

.cs-system-branches {
  height: 160px;
  position: relative;
}

.cs-system-branches span {
  position: absolute;
  background: #74bcff;
}

.cs-system-branches span:nth-child(1) {
  left: 50%;
  top: 0;
  width: 4px;
  height: 82px;
  transform: translateX(-50%);
}

.cs-system-branches span:nth-child(2) {
  left: calc(25% + 2px);
  right: calc(25% + 2px);
  top: 82px;
  height: 4px;
}

.cs-system-branches span:nth-child(3) {
  left: 25%;
  top: 82px;
  width: 50%;
  height: 78px;
  background: transparent;
}

.cs-system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 39px;
}

.cs-system-grid .cs-system-card {
  min-height: 240px;
}

@media (max-width: 1180px) {
  .cs-api-flow {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .cs-api-center {
    order: -1;
  }

  .cs-tab-pill {
    font-size: 18px;
  }

  .cs-support-card {
    grid-template-columns: 1fr;
  }

  .cs-support-photo {
    max-height: 320px;
  }
}

@media (max-width: 860px) {
  .car-sharing-title-card {
    min-height: auto;
    padding: 36px 22px 30px;
  }

  .car-sharing-summary,
  .car-sharing-heading p {
    letter-spacing: 0.04em;
  }

  .car-sharing-banner {
    padding-top: 92px;
  }

  .cs-tab-header,
  .cs-support-tabs,
  .cs-system-grid {
    grid-template-columns: 1fr;
  }

  .cs-tab-pill,
  .cs-tab-pill-active {
    height: 58px;
    border-radius: 0;
  }

  .cs-tab-body,
  .cs-feature-card-body,
  .cs-system-card,
  .cs-support-card {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .cs-tab-body,
  .cs-feature-card-body,
  .cs-support-content,
  .cs-system-card {
    padding: 30px 22px;
  }

  .cs-tab-body img,
  .cs-feature-card-body img,
  .cs-system-icon img {
    width: min(120px, 42vw);
  }

  .cs-system-watermark {
    width: 120px;
  }

  .cs-system-branches {
    display: none;
  }
}

.section {
  padding: 120px 0;
}

.section-heading {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 56px;
}

.section-heading h2,
.about-copy h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 38px);
}

.section-heading span,
.about-copy span {
  display: block;
  margin-top: 8px;
  color: #6f7a90;
  font-family: "Outfit", sans-serif;
  letter-spacing: 0.04em;
}

.section-heading p,
.about-copy p {
  margin: 18px auto 0;
  line-height: 2;
  color: var(--muted);
}

.intro {
  position: relative;
}

.intro::before,
.cooperation::before {
  content: "";
  position: absolute;
  inset: auto auto 12% -10%;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(71, 182, 255, 0.24), transparent 68%);
  filter: blur(10px);
  pointer-events: none;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px;
}

.service-card,
.partner-card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  background: var(--card);
  border: 1px solid rgba(204, 224, 255, 0.66);
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.service-card {
  display: flex;
  flex-direction: column;
}

.service-card:hover,
.partner-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 68px rgba(42, 100, 201, 0.2);
  border-color: rgba(58, 132, 255, 0.3);
}

.service-card img {
  flex: 0 0 auto;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform 0.45s ease, filter 0.3s ease;
}

.service-card:hover img {
  transform: scale(1.04);
  filter: saturate(1.05);
}

.card-body {
  display: grid;
  grid-template-rows: auto 1fr auto;
  flex: 1;
  padding: 14px 20px 16px;
}

.card-body small,
.partner-card small {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 13px;
}

.card-body small::before,
.partner-card small::before {
  /*content: "";*/
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(26, 126, 255, 0.08);
}

.card-body h3,
.partner-card h3 {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.45;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  border: 0;
  background: none;
  padding: 0;
  color: var(--primary);
  font-size: 14px;
  transition: gap 0.18s ease, color 0.18s ease;
}

.link-btn::before {
 /* content: "";*/
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #7dc4ff, #1a7eff 72%);
  box-shadow: 0 8px 18px rgba(26, 126, 255, 0.22);
}

.link-btn::after {
  content: "→";
}

.service-card:hover .link-btn {
  gap: 11px;
  color: #0d58da;
}

.service-card.is-clickable {
  cursor: pointer;
}

.service-card.is-clickable:focus-visible {
  outline: none;
  transform: translateY(-8px);
  box-shadow: 0 28px 68px rgba(42, 100, 201, 0.2);
  border-color: rgba(58, 132, 255, 0.3);
}

.service-card.is-clickable:focus-visible img {
  transform: scale(1.04);
  filter: saturate(1.05);
}

.service-card.is-clickable:focus-visible .link-btn {
  gap: 11px;
  color: #0d58da;
}

.link-btn.interactive:hover,
.link-btn.interactive:focus,
.link-btn.interactive:focus-visible,
.link-btn.interactive:active {
  background: transparent !important;
  box-shadow: none !important;
  transform: none !important;
}

.about {
  position: relative;
  overflow: clip;
  padding: 90px 0 84px;
  background:
    radial-gradient(circle at 50% 20%, rgba(157, 201, 255, 0.44) 0%, rgba(157, 201, 255, 0.22) 22%, rgba(226, 237, 250, 0) 56%),
    linear-gradient(180deg, #dce8f5 0%, #e5eef8 44%, #e5ebf5 100%);
}

.about::before {
  position: absolute;
  content: "";
  left: 50%;
  top: 0;
  width: min(1500px, 90vw);
  height: 360px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: radial-gradient(circle, rgba(111, 172, 255, 0.42), rgba(111, 172, 255, 0.15) 44%, transparent 72%);
  filter: blur(30px);
  pointer-events: none;
}

.about::after {
  position: absolute;
  content: "";
  left: 0;
  right: 0;
  bottom: 0;
  height: 220px;
  background: linear-gradient(180deg, rgba(237, 244, 251, 0), rgba(255, 255, 255, 0.82) 78%, rgba(255, 255, 255, 0.95));
  pointer-events: none;
}

.home-about-stage {
  position: relative;
  width: min(1200px, calc(100vw - 48px));
  min-height: clamp(610px, 46vw, 770px);
  margin: 0 auto;
  outline: none;
}

.home-about-stage > .building,
.home-about-logo {
  position: absolute;
  display: block;
  max-width: none;
  height: auto;
  pointer-events: none;
}

.home-about-stage > .building {
  left: 12.2%;
  top: 8%;
  z-index: 1;
  width: 54.2%;
  content: url("./assets/home-index/about-building.png");
  filter: drop-shadow(0 22px 44px rgba(71, 117, 184, 0.14));
}

.home-about-logo {
  left: calc(60.8% + 260px);
  top: calc(18.4% - 40px);
  z-index: 10;
  width: 9.84%;
  transform: rotate(-15deg) scale(1);
  transform-origin: center center;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), filter 0.6s ease;
  filter: drop-shadow(0 18px 34px rgba(33, 128, 255, 0.09));
  will-change: transform;
}

.home-about-stage::after {
  content: "";
  position: absolute;
  left: 21%;
  bottom: 5%;
  width: 57%;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(114, 167, 244, 0.4), rgba(114, 167, 244, 0.11) 46%, transparent 76%);
  filter: blur(20px);
  pointer-events: none;
}

.home-about-stage.reveal.visible:hover .home-about-logo,
.home-about-stage.reveal.visible:focus .home-about-logo,
.home-about-stage.reveal.visible:focus-visible .home-about-logo,
.home-about-stage.reveal.visible:focus-within .home-about-logo {
  transform: rotate(0deg) scale(1.2);
}

.home-about-copy {
  position: absolute;
  left: 58%;
  top: 18.4%;
  z-index: 3;
  width: 42%;
  max-width: none;
  padding-top: 0;
}

.home-about-copy p {
  max-width: 100%;
  margin-top: 22px;
  line-height: 1.95;
  color: #4d5b75;
  letter-spacing: 0.06em;
}

.home-about-copy .ghost-btn {
  margin-top: 34px;
  min-width: 184px;
  height: 44px;
  border-color: rgba(74, 162, 255, 0.88);
  color: #2d7df3;
  background: rgba(255, 255, 255, 0.22);
}

.home-about-copy .ghost-btn:hover,
.home-about-copy .ghost-btn:focus-visible {
  border-color: rgba(40, 125, 241, 0.96);
  background: rgba(66, 154, 255, 0.12);
}

.cooperation-row {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 72px;
  align-items: center;
  gap: 14px;
}

.cooperation-viewport {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding: 40px 40px 50px 40px;
  
}

.cooperation-viewport::after {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  bottom: 0;
  z-index: 0;
  height: 24px;
  pointer-events: none;

}

.partner-grid {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 24px;
  transition: transform 0.42s cubic-bezier(0.2, 0.78, 0.16, 1);
  will-change: transform;
  align-items: stretch;
}

.partner-grid .partner-card {
  flex: 0 0 calc((100% - 48px) / 3);
}

.cooperation-row.has-overflow .partner-grid .partner-card {
  flex-basis: calc((100% - 66px) / 3.5);
}

.partner-card {
  padding: 0 0 24px;
  border: 1px solid rgba(190, 206, 236, 0.78);
  background: linear-gradient(
    180deg,
    rgba(248, 251, 255, 0.98) 0%,
    rgba(241, 246, 254, 0.95) 64%,
    rgba(251, 253, 255, 0.99) 100%
  );
  box-shadow:
    0 12px 26px rgba(62, 91, 146, 0.08),
    0 26px 30px -24px rgba(64, 95, 151, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.partner-card:hover {
  transform: translateY(-6px);
  border-color: rgba(147, 177, 231, 0.8);
  box-shadow:
    0 18px 34px rgba(65, 95, 153, 0.12),
    0 28px 34px -24px rgba(68, 98, 158, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.partner-visual {
  height: 240px;
  background: linear-gradient(180deg, rgba(237, 243, 253, 0.98) 0%, rgba(231, 238, 251, 0.9) 100%);
  display: grid;
  place-items: center;
  padding: 28px;
  border-bottom: 1px solid rgba(194, 211, 239, 0.6);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.84);
  transition: background 0.22s ease, filter 0.22s ease;
}

.partner-card:hover .partner-visual {
  background: linear-gradient(180deg, rgba(234, 241, 254, 1) 0%, rgba(229, 237, 252, 0.94) 100%);
}

.partner-visual img {
  max-width: 74%;
  max-height: 100px;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(36, 102, 219, 0.14));
}

.partner-visual.text-only strong {
  color: #164bff;
  font-size: 32px;
  line-height: 1.2;
  text-align: center;
  font-family: "Outfit", sans-serif;
}

.partner-card small,
.partner-card h3 {
  padding-inline: 24px;
}

.partner-card small {
  color: #2f7cf2;
  font-weight: 500;
}

.partner-card h3 {
  color: #2a3b60;
}

.carousel-btn {
  width: 52px;
  height: 52px;
  justify-self: center;
  border-radius: 50%;
  border: 1px solid rgba(154, 187, 235, 0.42);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(242, 247, 255, 0.95));
  color: var(--primary);
  box-shadow: 0 10px 24px rgba(84, 116, 178, 0.12);
}

.carousel-btn:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(237, 244, 255, 0.98));
  color: #0f63e4;
  box-shadow: 0 16px 32px rgba(67, 103, 172, 0.18);
}

.carousel-btn:disabled {
  opacity: 0.4;
  cursor: default;
  box-shadow: 0 8px 18px rgba(106, 135, 189, 0.08);
}

.carousel-btn:disabled:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(242, 247, 255, 0.95));
  color: var(--primary);
}

.contact {
  background: linear-gradient(180deg, #178dff 0%, #1980f8 100%);
  color: white;
}

.section-heading.light span,
.section-heading.light p {
  color: rgba(255, 255, 255, 0.82);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 26px;
  margin-top: 64px;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.contact-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 176px;
  padding: 32px 36px;
  text-align: left;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.09));
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 24px 50px rgba(8, 60, 154, 0.14);
}

.contact-item label {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
  font-size: 14px;
  letter-spacing: 0.08em;
}

.contact-item a,
.contact-value {
  font-family: "Outfit", sans-serif;
  font-size: clamp(24px, 2.8vw, 38px);
  font-weight: 500;
  line-height: 1.35;
  word-break: break-word;
}

.contact-item--mail .contact-value {
  font-size: clamp(22px, 2.3vw, 30px);
}

.contact-wechat-qr {
  display: block;
  width: 120px;
  height: 120px;
  object-fit: contain;
}

.contact-item--phone,
.contact-item--wechat {
  justify-content: flex-start;
}

.footer {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  background: #111a3c;
  color: #d8def0;
  padding: 68px 0 26px;
}

.footer-glow {
  position: absolute;
  left: 50%;
  top: 72%;
  width: min(760px, 100%);
  height: 120px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(71, 125, 255, 0.5), transparent 68%);
  filter: blur(14px);
}

.footer-inner {
  position: relative;
  width: min(1200px, calc(100vw - 64px));
}

.footer-links {
  display: grid;
  grid-template-columns: minmax(260px, 1.18fr) minmax(360px, 1.55fr) minmax(150px, 0.72fr) minmax(210px, 0.9fr);
  gap: 48px;
  margin-bottom: 38px;
}

.footer-links h4 {
  margin: 0 0 14px;
  font-family: "Outfit", sans-serif;
  color: white;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
}

.footer-column-spacer {
  visibility: hidden;
}

.footer-links a {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 9px 0;
  color: #d5dcf4;
  font-size: 12px;
  line-height: 1.45;
  white-space: nowrap;
  transition: color 0.18s ease, transform 0.18s ease, text-shadow 0.18s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #ffffff;
  transform: translateX(2px);
  text-shadow: 0 0 10px rgba(123, 168, 255, 0.35);
}

.footer-links a:focus-visible {
  outline: 2px solid rgba(112, 165, 255, 0.7);
  outline-offset: 4px;
  border-radius: 4px;
}

.footer-brand {
  display: flex;
  justify-content: center;
  margin-bottom: 18px;
}

.footer-brand img {
  width: 50px;
  object-fit: contain;
  filter: drop-shadow(0 4px 16px rgba(89, 144, 255, 0.28));
  transition: transform 0.2s ease, filter 0.2s ease;
}

.footer-brand:hover img {
  transform: translateY(-2px) scale(1.04);
  filter: drop-shadow(0 8px 22px rgba(89, 144, 255, 0.36));
}

.footer p {
  margin: 0;
  text-align: center;
  color: #cdd5ea;
  font-size: 13px;
  line-height: 1.5;
}

@media (max-width: 1180px) {
  .footer {
    min-height: 0;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 56px;
  }
}

.floating-tools {
  position: fixed;
  right: 12px;
  bottom: 86px;
  z-index: 30;
  display: grid;
  gap: 8px;
}

.tool-item {
  position: relative;
}

.tool {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  border: 1px solid rgba(21, 109, 226, 0.4);
  background: rgba(244, 248, 255, 0.9);
  color: #4b5d89;
  display: grid;
  place-items: center;
  font-size: 22px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 22px rgba(34, 102, 209, 0.12);
}

.tool img {
  object-fit: contain;
}

.tool-service-icon {
  width: 32px;
  height: 40px;
}



.tool-wechat-icon {
  width: 34px;
  height: 34px;
}

.tool-top {
  font-size: 20px;
  color: #3e5c91;
  background: rgba(241, 246, 255, 0.94);
}

.tool:focus-visible,
.wechat-badge:focus-visible,
.brand:focus-visible {
  outline: 2px solid rgba(73, 142, 255, 0.7);
  outline-offset: 3px;
}

.interactive:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 30px rgba(25, 112, 223, 0.16);
}

.interactive:active {
  transform: translateY(0) scale(0.96);
  box-shadow: 0 8px 18px rgba(25, 112, 223, 0.14);
}

.primary-btn:hover,
.primary-btn:focus,
.primary-btn:focus-visible,
.primary-btn:active {
  background: transparent;
  box-shadow: none;
}

.tool:hover {
  border-color: rgba(53, 128, 255, 0.34);
}


.tool-top:hover {
  color: #1a64f4;
}

.tool img {
  object-fit: contain;
}

.tool-popup {
  position: absolute;
  right: calc(100%);
  top: 50%;
  transform: translateX(20px) translateY(-50%);
  transform-origin: right center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  border-radius: 8px;
  background: rgba(245, 249, 255, 0.97);
  box-shadow: 0 10px 18px rgba(35, 86, 179, 0.14);
  overflow: hidden;
  will-change: transform, opacity;
  transition: transform 0.8s cubic-bezier(0.22, 0.61, 0.36, 1), opacity 0.8s ease, visibility 0s linear 0.8s;
}

.tool-popup.open {
  transform: translateX(0) translateY(-50%);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.tool-popup-main {
  width: 100%;
  height: 100%;
  padding: 8px;
}

.tool-popup-title {
  margin: 0;
  font-size: 12px;
  line-height: 1.2;
  color: #6f7f9f;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}

.popup-title-icon {
  font-size: 12px;
  line-height: 1;
  color: #7a83a4;
}

.tool-popup-phone {
  margin: 6px 0 5px;
  font-size: 18px;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: 0.005em;
  color: #000;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
}

.tool-popup-sub {
  margin: 0;
  font-size: 10px;
  line-height: 1.2;
  color: #7d8ba9;
  font-weight: 500;
}

.service-popup {
  width: 198px;
  height: 80px;
}

.wechat-popup {
  width: 198px;
  height: 80px;
}

.qr-main {
  display: flex;
  align-items: center;
  gap: 8px;
}

.qr-image {
  width: 72px;
  height: 72px;
  border-radius: 4px;
  border: 1px solid rgba(86, 108, 159, 0.28);
  object-fit: cover;
  background: #fff;
}

.qr-text {
  font-size: 12px;
  line-height: 1.2;
  color: #7d8ba9;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(16px);
  min-width: 260px;
  max-width: min(90vw, 560px);
  padding: 14px 18px;
  border-radius: 999px;
  background: rgba(17, 27, 62, 0.92);
  color: white;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  body.menu-open .topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 45;
  }

  .menu {
    display: none;
  }

  .menu-toggle {
    display: grid;
    margin-left: 0;
    flex: 0 0 42px;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }

  .menu-toggle.interactive:hover,
  .menu-toggle.interactive:focus-visible {
    transform: translateY(-50%) scale(1.01);
    box-shadow: 0 10px 18px rgba(25, 112, 223, 0.12);
    border-color: rgba(30, 116, 235, 0.28);
  }

  .menu-toggle.interactive:active {
    transform: translateY(-50%) scale(0.985);
    box-shadow: 0 6px 14px rgba(25, 112, 223, 0.1);
  }

  .lang-switcher {
    display: none;
  }

  .nav {
    position: relative;
    padding-right: 56px;
    gap: 8px;
  }

  .mobile-lang-tabs {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
    margin-left: auto;
    margin-right: 6px;
    padding: 4px 20px;
    border-radius: 999px;
    background: rgba(245, 245, 249, 0.96);
    box-shadow: 0 8px 18px rgba(67, 95, 148, 0.1);
    flex: 0 1 auto;
    min-width: 0;
    max-width: 200px;
  }

  .mobile-lang-option {
    border: 0;
    background: transparent;
    color: #787b84;
    font-size: 14px;
    line-height: 1;
    letter-spacing: 0.01em;
    padding: 4px 0;
    cursor: pointer;
    transition: color 0.18s ease;
    white-space: nowrap;
    border-radius: 8px;
  }

  .mobile-lang-option.active {
    color: #1f67df;
    font-weight: 500;
  }

  .cards-grid,
  .partner-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .carousel-btn {
    display: none;
  }

 



  .partner-grid {
    display: grid;
    transform: none !important;
  }

  .partner-grid .partner-card,
  .cooperation-row.has-overflow .partner-grid .partner-card {
    flex-basis: auto;
  }

  .home-about-stage {
    min-height: 620px;
  }

  .home-about-stage > .building {
    left: 4%;
    top: 96px;
    width: 63%;
  }

  .home-about-logo {
    left: calc(56% + 238px);
    top: calc(13% - 40px);
    width: 11.4%;
  }

  .home-about-copy {
    left: 56%;
    top: 13%;
    width: 40%;
  }

  .home-about-copy p {
    line-height: 1.82;
    letter-spacing: 0.05em;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100vw - 28px, 100%);
  }

  .footer {
    padding-top: 48px;
  }

  .footer-inner {
    width: min(100vw - 40px, 100%);
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .footer-business-column--secondary {
    margin-top: -20px;
  }

  .footer-column-spacer {
    display: none;
  }

  .footer-links a {
    white-space: normal;
  }

  .topbar {
    position: sticky;
    top: 0;
    z-index: 40;
  }

  .nav {
    min-height: 72px;
    gap: 6px;
    padding-right: 52px;
  }

  .mobile-menu {
    z-index: 39;
  }

  .mobile-menu-panel {
    width: min(100%, 720px);
    padding: 12px 12px 18px;
  }

  .mobile-lang-tabs {
    gap: 14px;
    padding: 4px 14px;
    max-width: 176px;
  }

  .contact-grid {
    gap: 18px;
    margin-top: 40px;
  }

  .contact-item {
    min-height: 148px;
    padding: 24px 22px;
    border-radius: 22px;
  }

  .contact-item label {
    margin-bottom: 14px;
  }

  .contact-wechat-qr {
    width: 104px;
    height: 104px;
  }

  .brand-text small {
    font-size: 13px;
  }

  .hero,
  .hero-inner,
  .hero-slides {
    height: var(--hero-height);
    min-height: 0;
  }

  .eyebrow {
    width: 200px;
  }

  .primary-btn {
    min-width: 180px;
    height: 56px;
  }

  .section {
    padding: 88px 0;
  }

  .about {
    padding: 64px 0 62px;
  }

  .home-about-stage {
    min-height: 0;
    display: grid;
    gap: 18px;
    justify-items: center;
    text-align: center;
  }

  .home-about-stage > .building,
  .home-about-logo,
  .home-about-copy {
    position: static;
  }

  .home-about-stage > .building {
    order: 2;
    width: min(100%, 760px);
    max-width: 100%;
    margin-left: 0;
    content: url("./assets/home-index/about-building.png");
  }

  .home-about-logo {
    order: 3;
    width: min(190px, 44vw);
    margin-top: -22px;
  }

  .home-about-copy {
    order: 1;
    width: 100%;
    max-width: 100%;
  }

  .home-about-copy p {
    margin-top: 16px;
    line-height: 1.72;
    letter-spacing: 0.04em;
  }

  .home-about-copy .ghost-btn {
    margin-top: 24px;
  }

  .cards-grid {
    gap: 22px;
  }

  .tool {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }

  .floating-tools {
    right: 8px;
    bottom: 20px;
  }

  .tool-popup {
    display: block;
    right: calc(100% + 8px);
    top: 50%;
    transform: translateX(12px) translateY(-50%);
    max-width: calc(100vw - 86px);
  }

  .tool-popup.open {
    transform: translateX(0) translateY(-50%);
  }

  .service-popup,
  .wechat-popup {
    width: min(198px, calc(100vw - 86px));
    height: 88px;
  }

}

@media (max-width: 480px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  main,
  .hero,
  .section,
  .footer {
    max-width: 100%;
    overflow-x: clip;
  }

  .nav {
    padding-right: 48px;
  }

  .brand {
    gap: 8px;
    padding-inline: 2px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .brand-text strong {
    font-size: 16px;
  }

  .brand-text small {
    font-size: 10.4px;
    letter-spacing: 0.04em;
  }

  .mobile-lang-tabs {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    gap: 10px;
    padding: 4px 12px;
    max-width: 148px;
  }

  .menu-toggle {
    position: fixed;
    right: 14px;
    top: 16px;
    transform: none;
    width: 40px;
    height: 40px;
    z-index: 60;
  }

  .menu-toggle.interactive:hover,
  .menu-toggle.interactive:focus-visible {
    transform: scale(1.01);
  }

  .menu-toggle.interactive:active {
    transform: scale(0.985);
  }
}

@media (max-width: 375px) {
  body {
    min-width: 375px;
  }

  .nav {
    min-height: 68px;
  }

  .brand {
    gap: 8px;
    padding-inline: 4px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .brand-text strong {
    font-size: 16px;
  }

  .brand-text small {
    font-size: 10.4px;
  }

  .mobile-lang-tabs {
    gap: 12px;
    padding: 4px 12px;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
    border-radius: 9px;
    padding: 0;
    right: 0;
  }

  .menu-toggle-icon {
    width: 18px;
    height: 18px;
  }

  .mobile-menu-panel {
    padding: 10px 10px 16px;
  }

  .mobile-menu-panel a {
    font-size: 13px;
    padding: 9px 10px;
  }

  .mobile-service-menu {
    gap: 8px;
    margin-inline: 2px;
    padding: 9px 8px 10px;
  }

  .mobile-menu-panel .mobile-service-title {
    font-size: 12px;
    padding: 5px 7px 2px;
  }

  .mobile-menu-panel .mobile-service-item {
    font-size: 12px;
    padding: 5px 7px 5px 16px;
  }

  .home-about-stage {
    gap: 14px;
  }

  .home-about-stage > .building {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
  }

  .home-about-logo {
    width: min(156px, 46vw);
    margin-top: -18px;
  }

  .home-about-copy p {
    font-size: 14px;
    line-height: 1.65;
  }
}