* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover, a:focus-visible {
  text-decoration: none;
}
button {
  font: inherit;
}
button, a {
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
}
[hidden] {
  display: none !important;
}
.container {
  width: min(100% - var(--gutter) * 2, var(--content));
  margin-inline: auto;
}
.icon {
  display: block;
  width: 18px;
  height: 18px;
  flex: none;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 100;
  padding: 8px 16px;
  background: var(--white);
  color: var(--navy);
}
.skip-link:focus {
  top: 12px;
}
/* Shared header / navigation */
.site-header {
  position: relative;
  z-index: 20;
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: none;
  color: var(--navy);
}
.brand-mark {
  position: relative;
  display: block;
  width: 32px;
  height: 31px;
  overflow: hidden;
}
.brand-mark span {
  position: absolute;
  left: 0;
  width: 24px;
  height: 7px;
  background: var(--blue);
  transform: skewY(-27deg);
  border-radius: 1px;
}
.brand-mark span:nth-child(1) {
  top: 3px;
  left: 6px;
}
.brand-mark span:nth-child(2) {
  top: 12px;
  background: var(--navy);
}
.brand-mark span:nth-child(3) {
  top: 21px;
  left: 6px;
  background: #65b4ff;
}
.brand-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.05;
}
.brand-logo {
  display: block;
  max-width: 180px;
  max-height: 56px;
  object-fit: contain;
}
@media (max-width: 640px) {
  .brand-logo {
    max-width: 150px;
    max-height: 46px;
  }
}
.brand-name span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
}
.site-nav, .nav-list {
  display: flex;
  align-items: center;
}
.site-nav {
  flex: 1;
  justify-content: flex-end;
  gap: clamp(20px, 3vw, 44px);
  height: 100%;
}
.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  gap: clamp(13px, 1.65vw, 28px);
  height: 100%;
}
.nav-list > li {
  display: flex;
  align-items: center;
  height: 100%;
}
.nav-list > li > a, .dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}
.nav-list > li > a:hover, .dropdown-toggle:hover, .nav-list > li > a[aria-current] {
  color: var(--blue);
}
.dropdown-toggle .icon {
  width: 15px;
  height: 15px;
  transition: transform .2s;
}
.dropdown-toggle[aria-expanded="true"] .icon {
  transform: rotate(180deg);
}
.header-auth {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}
.header-auth a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  min-height: 38px;
  padding: 7px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.header-auth .auth-login {
  color: var(--ink);
}
.header-auth .auth-login:hover {
  color: var(--blue);
}
.header-auth .auth-register {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}
.header-auth .auth-register:hover {
  background: var(--blue-hover);
  border-color: var(--blue-hover);
}
.auth-message {
  position: absolute;
  z-index: 2;
  top: calc(100% + 13px);
  right: 0;
  width: max-content;
  max-width: min(290px, 85vw);
  padding: 9px 13px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 6px 18px rgb(16 42 72 / 12%);
  color: var(--ink);
  font-size: 12px;
  line-height: 1.5;
}
.mega-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  padding: 0 var(--gutter);
  background: var(--white);
  border-top: 1px solid var(--line);
  box-shadow: 0 14px 26px rgb(16 42 72 / 12%);
}
.nav-dropdown.is-open .mega-menu {
  display: block;
}
.mega-menu-inner {
  display: grid;
  width: min(100%, var(--content));
  margin-inline: auto;
  padding-block: 22px 25px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
}
.mega-column {
  display: grid;
  align-content: start;
  gap: 2px;
  min-width: 0;
  padding: 0 22px;
  border-left: 1px solid var(--line);
}
.mega-column:first-child {
  padding-left: 0;
  border-left: 0;
}
.mega-column:last-child {
  padding-right: 0;
}
.mega-column > strong {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 15px;
}
.mega-column a {
  display: block;
  min-width: 0;
  padding: 4px 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}
.mega-column a:hover {
  color: var(--blue);
}
.mega-column small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
}
.nav-dropdown-products .mega-menu::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(210px + max(var(--gutter), (100% - var(--content)) / 2));
  background: var(--surface);
  pointer-events: none;
}
.nav-dropdown-products .mega-menu-inner {
  position: relative;
  z-index: 1;
  display: block;
  padding: 0;
}
.product-menu {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  min-height: 320px;
  max-height: min(610px, calc(100dvh - var(--header-height)));
}
.product-menu-sidebar {
  overflow-y: auto;
  padding: 22px 18px 26px 0;
  background: var(--surface);
}
.product-menu-sidebar h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
}
.product-menu-sidebar p {
  margin: 15px 0 8px;
  color: var(--muted);
  font-size: 12px;
}
.product-menu-categories {
  display: grid;
  gap: 2px;
}
.product-menu-category {
  width: 100%;
  padding: 7px 10px;
  border: 0;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--ink);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
}
.product-menu-category:hover, .product-menu-category[aria-expanded="true"] {
  background: var(--white);
  color: var(--blue);
}
.product-menu-content {
  min-width: 0;
  overflow-y: auto;
  padding: 18px 24px 32px;
}
.product-menu-search {
  display: block;
  max-width: 460px;
}
.product-menu-search input {
  width: 100%;
  height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
}
.product-menu-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 13px 0 18px;
}
.product-menu-shortcuts button {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink);
  font-size: 12px;
  cursor: pointer;
}
.product-menu-shortcuts button:hover, .product-menu-shortcuts button.is-active {
  border-color: var(--blue);
  background: var(--ice);
  color: var(--blue);
}
.product-menu-all {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
}
.product-menu-all:hover, .product-menu-all:focus-visible {
  color: var(--blue-hover);
}
.product-menu-tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.product-menu-tile {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 108px;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--surface);
  overflow-wrap: anywhere;
}
.product-menu-tile:hover, .product-menu-tile:focus-visible {
  background: var(--ice);
}
.product-menu-tile strong {
  font-size: 14px;
  line-height: 1.5;
}
.product-menu-tile span {
  display: -webkit-box;
  margin-top: 7px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.product-menu-tile .product-menu-tile-group {
  margin: 0 0 7px;
  color: var(--blue);
  font-size: 12px;
  line-height: 1.4;
}
.product-menu-empty {
  margin: 20px 0;
  color: var(--muted);
}
.nav-toggle {
  display: none;
  border-radius: var(--radius-control);
}

/* Full-width video and image share one text overlay and carousel frame. */
.hero {
  background: var(--navy-deep);
}
.hero-carousel {
  position: relative;
  outline-offset: -4px;
}
.hero-slide {
  position: relative;
  display: flex;
  align-items: center;
  height: clamp(470px, 36vw, 520px);
  overflow: hidden;
}
.hero-copy {
  position: relative;
  z-index: 2;
  width: min(100% - var(--gutter) * 2, var(--content));
  margin-inline: auto;
  color: var(--white);
}
.hero-copy-inner {
  width: min(100%, 540px);
  padding: 20px 0 62px;
}
.hero-copy h1, .hero-copy h2 {
  margin: 25px 0 20px;
  font-size: clamp(38px, 3.25vw, 52px);
  line-height: 1.26;
  font-weight: 700;
  letter-spacing: -.035em;
}
.hero-copy-inner > p {
  max-width: 375px;
  margin: 0 0 34px;
  color: #e1ecf8;
  font-size: 15px;
  line-height: 1.9;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: var(--radius-control);
  font-size: 14px;
  font-weight: 600;
  transition: background .2s, color .2s;
}
.button-light {
  background: var(--white);
  color: var(--blue-hover);
}
.button-light:hover {
  background: var(--ice);
}
.button .icon {
  width: 18px;
  height: 18px;
}
.hero-media {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgb(8 27 49 / 88%) 0%, rgb(8 27 49 / 64%) 35%, rgb(8 27 49 / 12%) 72%, transparent 100%);
  pointer-events: none;
}
.hero-media > img, .hero-media > video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-slide-video .hero-media::after {
  background: linear-gradient(90deg, rgb(14 35 65 / 82%) 0%, rgb(14 35 65 / 54%) 32%, transparent 70%);
}
.image-note {
  position: absolute;
  z-index: 1;
  right: 24px;
  bottom: 82px;
  padding: 3px 7px;
  background: rgb(9 28 48 / 68%);
  color: #fff;
  font-size: 11px;
}
.hero-controls {
  position: absolute;
  z-index: 3;
  inset: auto 0 0;
  pointer-events: none;
}
.controls-inner {
  display: flex;
  align-items: center;
  height: 70px;
}
.hero-dots {
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
}
.hero-dot {
  display: block;
  width: 30px;
  height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.hero-dot::after {
  content: "";
  display: block;
  height: 2px;
  background: #87a6c5;
  transition: background .2s, height .2s;
}
.hero-dot[aria-current="true"]::after {
  height: 3px;
  background: var(--white);
}

/* Shared section spacing */
.section {
  padding-block: var(--section-space);
}

/* Product discovery — category strip, introduction and product tiles. */
.product-feature {
  padding-top: var(--section-space);
  background: var(--white);
}
.product-feature .section-head {
  max-width: 800px;
  margin: 0 auto 34px;
  text-align: center;
}
.product-feature .section-head-title {
  margin: 0 0 14px;
  color: var(--navy-deep);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.35;
}
.product-feature .section-head-desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.product-feature .section-head-desc a {
  display: inline-block;
  margin-left: 12px;
  color: var(--blue);
  font-weight: 600;
  white-space: nowrap;
}
.product-feature .section-head-desc a:hover, .product-feature .section-head-desc a:focus-visible {
  color: var(--blue-hover);
}
.product-feature .tab-box-head {
  padding: 0 12px;
  background: var(--white);
}
.product-feature .tab-box-menu {
  display: flex;
  justify-content: safe center;
  gap: 8px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}
.product-feature .tab-box-menu li {
  flex: 1 0 auto;
  min-width: 0;
  max-width: 280px;
}
.product-feature .tab-box-menu button {
  position: relative;
  display: block;
  width: 100%;
  min-height: 58px;
  padding: 13px 20px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  overflow-wrap: anywhere;
  cursor: pointer;
}
.product-feature .tab-box-menu button:hover {
  color: var(--blue);
}
.product-feature .tab-box-menu button[aria-selected="true"] {
  color: var(--blue);
}
.product-feature .tab-box-menu button[aria-selected="true"]::after {
  content: "";
  position: absolute;
  right: 20px;
  bottom: 0;
  left: 20px;
  height: 3px;
  background: var(--blue);
}
.product-showcase {
  padding: 28px 0 52px;
  border-top: 1px solid var(--surface-line);
  background: #f6f9fd;
}
.product-feature .tab-box-panel {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  align-items: start;
  gap: 16px;
}
.product-feature-aside {
  display: grid;
  grid-template-rows: repeat(2, minmax(150px, auto));
  gap: 16px;
  min-width: 0;
}
.product-feature-intro, .product-feature-consult {
  padding: 26px 24px;
  border: 1px solid var(--surface-line);
  border-radius: var(--radius);
  background: var(--white);
}
.product-feature-intro {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: #fff url(../images/products/showcase-intro.jpg) center / cover no-repeat;
}
.product-feature-intro h3 {
  margin: 0 0 14px;
  color: var(--navy-deep);
  font-size: 21px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.product-feature-intro p, .product-feature-consult p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.product-feature-consult {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 0;
  padding: 18px 20px;
}
.product-feature-consult h4 {
  margin: 0 0 8px;
  color: var(--navy-deep);
  font-size: 17px;
  line-height: 1.4;
}
.product-feature-consult a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 12px;
  padding: 7px 16px;
  border-radius: var(--radius-control);
  background: var(--blue);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
}
.product-feature-consult a:hover {
  background: var(--blue-hover);
}
.product-results {
  min-width: 0;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-content: start;
  gap: 16px;
  min-width: 0;
}
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 150px;
  padding: 22px 24px;
  border: 1px solid var(--surface-line);
  border-radius: var(--radius);
  background: #fff url(../images/products/showcase-card.png) right bottom / auto 88px no-repeat;
  transition: border-color .2s, box-shadow .2s;
}
.product-card:hover, .product-card:focus-visible {
  border-color: #a8c9f9;
  box-shadow: 0 6px 18px rgb(19 45 80 / 7%);
}
.product-card-title {
  display: block;
  padding-right: 20px;
  color: var(--navy-deep);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.product-card-desc {
  display: -webkit-box;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  overflow: hidden;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.product-card-arrow {
  position: absolute;
  top: 19px;
  right: 22px;
  color: var(--blue);
  font-size: 19px;
  line-height: 1;
}
.product-empty {
  margin: 0;
  padding: 52px 20px;
  border: 1px dashed var(--surface-line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--muted);
  text-align: center;
}

/* Why us */
.why-us {
  padding: var(--section-space) 0;
  background: var(--white);
}
.why-us-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 0 36px;
  text-align: center;
}
.why-us-title {
  margin: 0;
  color: var(--navy-deep);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.35;
}
.why-us-desc {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.why-us-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 190px;
  padding: 27px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
}
.why-us-item:hover {
  border-color: #a8c9f9;
  box-shadow: 0 12px 28px rgb(19 45 80 / 7%);
}
.why-us-main {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
}
.why-us-item-title {
  margin: 0 0 9px;
  color: var(--navy-deep);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}
.why-us-item-desc {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.why-us-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.why-us-tag {
  padding: 2px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  line-height: 20px;
}
.why-us-icon {
  flex: none;
  width: 76px;
  height: 76px;
}
.why-us-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Contact CTA and shared footer */
.cta-section {
  padding: 38px 0;
  background: var(--blue);
  color: var(--white);
}
.cta-layout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
}
.cta-layout p {
  margin: 0 0 4px;
  color: #d9ecfa;
  font-size: 13px;
}
.cta-layout h2 {
  margin: 0 0 5px;
  font-size: clamp(23px, 2vw, 29px);
  line-height: 1.4;
}
.cta-layout span {
  color: #d9ecfa;
  font-size: 12px;
}
.cta-layout .button {
  flex: none;
}
.site-footer {
  background: #111f33;
  color: #b9c7d8;
}
.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 88px);
  padding-top: 64px;
  padding-bottom: 56px;
}
.footer-identity {
  min-width: 0;
}
.footer-identity:only-child {
  grid-column: 1 / -1;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 60px;
  padding: 10px 16px;
  border-radius: var(--radius);
  color: var(--navy-deep);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  overflow-wrap: anywhere;
}
.footer-logo {
  display: block;
  width: auto;
  max-width: min(200px, 100%);
  max-height: 52px;
  object-fit: contain;
}
.footer-description {
  max-width: 320px;
  margin: 22px 0 20px;
  font-size: 13px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.footer-contact {
  display: grid;
  gap: 9px;
  padding-top: 18px;
  font-style: normal;
}
.footer-contact p {
  display: flex;
  flex-wrap: wrap;
  gap: 0 12px;
  min-width: 0;
  margin: 0;
  font-size: 12px;
  overflow-wrap: anywhere;
}
.footer-contact span {
  flex: none;
  color: #91a8c0;
}
.footer-contact strong {
  color: var(--white);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
}
.footer-navigation {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(125px, 1fr));
  align-content: start;
  gap: 28px 22px;
  min-width: 0;
  padding-top: 8px;
}
.footer-column {
  min-width: 0;
  overflow-wrap: anywhere;
}
.footer-column h2 {
  margin: 0 0 18px;
  color: var(--white);
  font-size: 15px;
  line-height: 1.4;
}
.footer-column a {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 11px 0;
  font-size: 13px;
  line-height: 1.5;
}
.footer-column a:hover, .footer-column a:focus-visible,
.footer-friends a:hover, .footer-friends a:focus-visible {
  color: var(--white);
}
.footer-bottom {
  padding-top: 20px;
  padding-bottom: 26px;
  border-top: 1px solid #35465b;
  font-size: 12px;
}
.footer-friends {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  padding-bottom: 16px;
  overflow-wrap: anywhere;
}
.footer-friends strong {
  color: #e0e8ef;
  font-weight: 600;
}
.footer-bottom p {
  margin: 0;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

/* Floating customer service */
.service-widget {
  position: fixed;
  z-index: 50;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
}
.service-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 54px;
  min-height: 116px;
  padding: 12px 9px;
  border: 0;
  border-radius: var(--radius);
  background: var(--blue);
  box-shadow: 0 6px 18px rgb(19 45 80 / 12%);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.25;
  cursor: pointer;
}
.service-toggle:hover, .service-toggle[aria-expanded="true"] {
  background: var(--blue-hover);
}
.service-toggle svg {
  width: 23px;
  height: 23px;
  flex: none;
}
.service-toggle span {
  writing-mode: vertical-rl;
  letter-spacing: .12em;
}
.service-panel {
  position: absolute;
  top: 50%;
  right: calc(100% + 14px);
  display: flex;
  flex-direction: column;
  width: min(640px, calc(100vw - 110px));
  max-height: calc(100dvh - 40px);
  transform: translateY(-50%);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 32px rgb(19 45 80 / 12%);
}
.service-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex: none;
  padding: 22px 28px 19px;
  border-top: 3px solid var(--blue);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  color: var(--navy-deep);
}
.service-eyebrow {
  color: var(--blue);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
}
.service-panel-head h2 {
  margin: 5px 0 3px;
  font-size: 21px;
  line-height: 1.4;
}
.service-panel-head p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}
.service-close {
  flex: none;
  align-self: flex-start;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--white);
  color: var(--muted);
  font-size: 23px;
  line-height: 1;
  cursor: pointer;
}
.service-close:hover {
  background: var(--ice);
  color: var(--blue);
}
.service-panel-body {
  min-height: 0;
  overflow-y: auto;
  padding: 22px 28px 18px;
}
.service-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 28px;
}
.service-group {
  min-width: 0;
}
/* 首个分组（售前咨询）客服数量最多，独占整行、每行 4 个；
   售后/技术支持、投诉建议等其余分组共享下一行，默认每行 2 个。 */
.service-group:first-child {
  grid-column: 1 / -1;
}
.service-group:first-child .service-agents {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.service-group h3 {
  margin: 0 0 10px;
  color: var(--navy-deep);
  font-size: 14px;
  font-weight: 700;
}
.service-agents {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.service-agents li {
  min-width: 0;
}
.service-agents a {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 42px;
  padding: 7px 8px;
  border-radius: var(--radius-control);
  color: var(--ink);
  font-size: 12px;
  overflow-wrap: anywhere;
}
.service-agents a:hover, .service-agents a:focus-visible {
  background: var(--ice);
  color: var(--blue-hover);
}
.service-qq-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ice);
  color: var(--blue);
}
.service-qq-icon svg {
  width: 13px;
  height: 13px;
}
.service-link-arrow {
  margin-left: auto;
  color: var(--blue);
}
.service-group-empty {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--white);
  color: var(--muted);
  font-size: 12px;
}
/* QQ contact guidance uses the shared site layout. */
.qq-page {
  min-height: 480px;
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--ice-light);
}
.qq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 530px);
  align-items: center;
  gap: clamp(40px, 7vw, 110px);
}
.qq-kicker {
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
}
.qq-intro h1 {
  margin: 16px 0;
  color: var(--navy-deep);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.3;
}
.qq-intro p {
  max-width: 440px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.qq-guide {
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 26px rgb(19 45 80 / 6%);
}
.qq-guide-heading {
  padding: 22px 28px 0;
}
.qq-guide-heading span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
}
.qq-guide-heading h2 {
  margin: 7px 0 0;
  color: var(--navy-deep);
  font-size: 23px;
}
.qq-guide-content {
  padding: 18px 28px 28px;
}
.qq-guide-content p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}
.qq-guide-content p:first-child {
  color: var(--ink);
  font-weight: 600;
}
.qq-number {
  display: block;
  margin: 22px 0;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ice-light);
  color: var(--navy-deep);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .04em;
  overflow-wrap: anywhere;
  user-select: text;
}
.qq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.qq-actions button {
  min-height: 44px;
  padding: 9px 18px;
  border: 1px solid var(--blue);
  border-radius: var(--radius-control);
  background: var(--blue);
  color: var(--white);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.qq-actions button:hover {
  background: var(--blue-hover);
}
.qq-actions button + button {
  background: var(--white);
  color: var(--blue);
}
.qq-actions button + button:hover {
  background: var(--ice);
}
.qq-actions button:disabled {
  opacity: .5;
  cursor: not-allowed;
}
.qq-guide-content .qq-status {
  min-height: 22px;
  margin: 14px 0 0;
  font-size: 13px;
}
.qq-agent-name {
  display: block;
  margin: 18px 0 -10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
}
.qq-guide-content p.qq-status-error {
  margin: 0 0 14px;
  color: var(--danger);
  font-weight: 600;
}
.qq-agent-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.qq-agent-list li + li {
  margin-top: 8px;
}
.qq-agent-list a {
  color: var(--blue);
  font-size: 14px;
  font-weight: 600;
}
.qq-agent-list a:hover {
  color: var(--blue-hover);
}

@media (max-width: 1100px) {
  .header-inner {
    gap: 17px;
  }
  .site-nav {
    gap: 18px;
  }
  .nav-list {
    gap: 13px;
  }
  .nav-list > li > a, .dropdown-toggle {
    font-size: 13px;
  }
}
@media (max-width: 900px) {
  .qq-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
  .qq-intro p {
    max-width: none;
  }
  .nav-toggle {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--line);
    background: var(--white);
    cursor: pointer;
  }
  .nav-toggle .icon {
    width: 22px;
    height: 22px;
  }
  .nav-toggle .icon-close {
    display: none;
  }
  .nav-toggle[aria-expanded="true"] .icon-open {
    display: none;
  }
  .nav-toggle[aria-expanded="true"] .icon-close {
    display: block;
  }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: auto;
    max-height: calc(100dvh - var(--header-height) - 30px);
    overflow-y: auto;
    padding: 6px var(--gutter) 20px;
    background: var(--white);
    border-top: 1px solid var(--line);
    box-shadow: 0 16px 24px rgb(16 42 72 / 12%);
  }
  .site-nav.is-open {
    display: block;
  }
  .nav-list {
    display: block;
    height: auto;
  }
  .nav-list > li {
    display: block;
    height: auto;
    border-bottom: 1px solid var(--line);
  }
  .nav-list > li > a, .dropdown-toggle {
    min-height: 49px;
    width: 100%;
    font-size: 15px;
  }
  .dropdown-toggle {
    justify-content: space-between;
    padding: 0;
  }
  .mega-menu {
    position: static;
    width: 100%;
    padding: 0;
    box-shadow: none;
    border: 0;
  }
  .mega-menu-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 14px;
    padding-block: 8px 20px;
  }
  .mega-column, .mega-column:first-child {
    padding: 0 0 0 13px;
    border-left: 2px solid var(--line);
  }
  .mega-column > strong {
    margin-bottom: 4px;
  }
  .nav-dropdown-products .mega-menu::before {
    display: none;
  }
  .nav-dropdown-products .mega-menu-inner {
    padding: 8px 0 20px;
  }
  .product-menu {
    display: block;
    max-height: none;
  }
  .product-menu-sidebar {
    overflow: visible;
    padding: 15px;
  }
  .product-menu-sidebar h2 {
    font-size: 17px;
  }
  .product-menu-categories {
    display: flex;
    gap: 6px;
    overflow-x: auto;
  }
  .product-menu-category {
    width: auto;
    flex: none;
    padding: 7px 10px;
    white-space: nowrap;
  }
  .product-menu-content {
    overflow: visible;
    padding: 18px 0;
  }
  .product-menu-tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .header-auth {
    margin-top: 18px;
  }
  .auth-message {
    top: calc(100% + 8px);
    right: auto;
    left: 0;
  }
  .hero-slide {
    height: 520px;
  }
  .hero-copy h1, .hero-copy h2 {
    font-size: clamp(34px, 4.3vw, 43px);
  }
  .product-feature .tab-box-panel {
    grid-template-columns: minmax(200px, 240px) minmax(0, 1fr);
  }
  .product-feature-intro {
    padding: 22px;
  }
  .product-feature-consult {
    padding: 12px 16px;
  }
  .product-feature-consult a {
    margin-top: 8px;
  }
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .why-us-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .footer-main {
    grid-template-columns: minmax(0, 255px) minmax(0, 1fr);
    gap: 32px;
  }
  .footer-navigation {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 16px;
  }
}
@media (max-width: 700px) {
  .service-groups {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
  .service-group:first-child .service-agents {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .service-panel-body {
    padding: 18px;
  }
  .service-panel-head {
    padding: 18px;
  }
  .service-widget {
    top: auto;
    right: 14px;
    bottom: max(18px, env(safe-area-inset-bottom));
    transform: none;
  }
  .service-toggle {
    flex-direction: row;
    gap: 7px;
    width: auto;
    min-height: 46px;
    padding: 9px 14px;
    border-radius: 23px;
  }
  .service-toggle svg {
    width: 20px;
    height: 20px;
  }
  .service-toggle span {
    writing-mode: horizontal-tb;
    letter-spacing: 0;
  }
  .service-panel {
    top: auto;
    right: 0;
    bottom: calc(100% + 12px);
    width: min(480px, calc(100vw - 28px));
    max-height: calc(100dvh - 90px - env(safe-area-inset-bottom));
    transform: none;
  }
  .hero-slide {
    height: 465px;
  }
  .hero-media::after {
    background: linear-gradient(90deg, rgb(8 27 49 / 87%), rgb(8 27 49 / 44%) 66%, rgb(8 27 49 / 20%));
  }
  .hero-media > img, .hero-media > video {
    object-position: 55% center;
  }
  .hero-slide-video .hero-media::after {
    background: linear-gradient(90deg, rgb(14 35 65 / 83%), rgb(14 35 65 / 38%) 78%);
  }
  .hero-copy-inner {
    width: min(100%, 470px);
    padding: 0 0 48px;
  }
  .hero-copy h1, .hero-copy h2 {
    margin: 15px 0 12px;
    font-size: clamp(29px, 6vw, 38px);
  }
  .hero-copy-inner > p {
    max-width: 370px;
    margin-bottom: 19px;
    font-size: 13px;
    line-height: 1.7;
  }
  .hero-copy .button {
    min-height: 40px;
    padding: 7px 13px;
    font-size: 12px;
  }
  .controls-inner {
    height: 52px;
  }
  .image-note {
    right: 12px;
    bottom: 65px;
  }
  .product-feature .section-head {
    margin-bottom: 28px;
  }
  .product-feature .tab-box-menu {
    justify-content: flex-start;
  }
  .product-feature .tab-box-menu li {
    flex: none;
    max-width: none;
  }
  .product-feature .tab-box-menu button {
    min-height: 56px;
    padding-inline: 18px;
    font-size: 14px;
    white-space: nowrap;
  }
  .product-feature .tab-box-panel {
    grid-template-columns: minmax(0, 1fr);
  }
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .product-feature-aside {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
  }
  .product-feature-intro {
    min-height: 0;
  }
  .why-us-head {
    padding-bottom: 34px;
  }
  .why-us-title {
    font-size: 24px;
  }
  .cta-layout {
    align-items: start;
    flex-direction: column;
  }
  .footer-main {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    padding-block: 42px 36px;
  }
  .footer-description {
    max-width: 500px;
    margin: 18px 0;
  }
  .footer-navigation {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 18px;
    padding-top: 26px;
    border-top: 1px solid #35465b;
  }
  .footer-column h2 {
    margin-bottom: 12px;
  }
}
@media (max-width: 480px) {
  .qq-page {
    min-height: 0;
  }
  .qq-guide-heading {
    padding: 20px 20px 0;
  }
  .qq-guide-content {
    padding: 16px 20px 24px;
  }
  .qq-actions button {
    flex: 1 1 100%;
  }
  .mega-menu-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 10px;
  }
  .mega-column {
    gap: 2px;
  }
  .mega-column, .mega-column:first-child {
    padding-left: 9px;
  }
  .mega-column > strong {
    font-size: 14px;
  }
  .mega-column a {
    padding: 4px 0;
    font-size: 13px;
  }
  .mega-column small {
    font-size: 11px;
  }
  .product-menu-tiles {
    grid-template-columns: minmax(0, 1fr);
  }
  .product-menu-tile {
    min-height: 88px;
  }
  .hero-slide {
    height: 440px;
  }
  .hero-media > img, .hero-media > video {
    object-position: 55% center;
  }
  .hero-media::after {
    background: linear-gradient(90deg, rgb(8 27 49 / 90%), rgb(8 27 49 / 60%) 74%, rgb(8 27 49 / 37%));
  }
  .hero-slide-video .hero-media::after {
    background: linear-gradient(90deg, rgb(14 35 65 / 88%), rgb(14 35 65 / 49%) 85%);
  }
  .hero-copy h1, .hero-copy h2 {
    font-size: 30px;
  }
  .hero-copy-inner > p {
    max-width: 280px;
  }
  .product-feature .tab-box-head {
    padding-inline: 6px;
  }
  .product-feature-aside {
    grid-template-columns: minmax(0, 1fr);
    display: contents;
  }
  .product-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .product-feature-intro, .product-feature-consult {
    padding: 20px;
  }
  .product-feature-intro {
    min-height: 0;
  }
  .product-feature-consult a {
    margin-top: 12px;
  }
  .product-feature-consult {
    order: 3;
  }
  .product-card {
    min-height: 140px;
    padding: 20px;
  }
  .why-us-item {
    gap: 18px;
    padding: 20px;
  }
  .why-us-icon {
    width: 64px;
    height: 64px;
  }
  .footer-brand {
    min-height: 54px;
    padding: 9px 13px;
  }
  .footer-logo {
    max-width: min(170px, 100%);
    max-height: 46px;
  }
  .footer-navigation {
    gap: 24px 14px;
  }
  .footer-column a {
    margin: 9px 0;
  }
  .footer-friends {
    gap: 8px 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}
/* 让产品菜单随内容自动增高 */
.nav-dropdown-products .product-menu {
  height: auto;
  max-height: none;
}

.nav-dropdown-products .product-menu-sidebar,
.nav-dropdown-products .product-menu-content {
  overflow: visible;
}