:root {
  --blue: #176db0;
  --deep: #0d487c;
  --pale: #eff7fc;
  --orange: #f39732;
  --ink: #183349;
  --muted: #687e90;
  --line: #dce7ef;
  --radius: 12px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 95px;
}
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.8;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 5px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h2 {
  font-size: 32px;
  line-height: 1.45;
  letter-spacing: -0.8px;
}
h3 {
  line-height: 1.5;
}
p {
  color: var(--muted);
}
.container {
  max-width: 1248px;
  padding: 0 24px;
  margin: auto;
}
.header {
  height: 76px;
  position: sticky;
  top: 0;
  background: #fffffff5;
  z-index: 30;
  border-bottom: 1px solid #e5edf3;
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.brand {
  flex-shrink: 0;
}
.logo-slot {
  display: flex;
  align-items: center;
}
.logo-slot img {
  max-width: 160px;
  max-height: 48px;
  object-fit: contain;
  display: none;
}
.brand-word {
  font-size: 25px;
  letter-spacing: 2px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1.2;
}
.brand-word small {
  display: block;
  font-size: 9px;
  letter-spacing: 2px;
  margin-top: 7px;
  font-weight: 400;
  color: var(--muted);
}
nav {
  display: flex;
  gap: 23px;
  font-size: 13px;
}
nav a:hover,
.text-link:hover {
  color: var(--blue);
}
.header-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 11px;
  color: var(--muted);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 12px 24px;
  border: 1px solid var(--blue);
  border-radius: 6px;
  background: var(--blue);
  color: white;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.6;
  transition:
    transform 0.18s,
    box-shadow 0.18s;
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 14px #0d487c19;
}
.button.small {
  padding: 9px 15px;
  font-size: 12px;
}
.orange {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}
.outline {
  background: transparent;
  color: var(--blue);
  border-color: #9ebed6;
}
.white-outline {
  border-color: #ffffff70;
  background: transparent;
}
.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.menu-toggle {
  display: none;
}
.hero {
  background: linear-gradient(110deg, #eff7fc 20%, #e3f1fb 100%);
  padding: 57px 0 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 55% 45%;
  min-height: 490px;
  align-items: center;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 14px;
}
.hero .eyebrow {
  font-size: 13px;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.eyebrow span {
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 50%;
}
h1 {
  font-size: 46px;
  letter-spacing: -1.5px;
  line-height: 1.35;
  margin: 18px 0;
}
.hero-sub {
  font-size: 25px;
  color: var(--deep);
  font-weight: 500;
  line-height: 1.55;
}
.hero-description {
  max-width: 470px;
  margin-top: 20px;
  font-size: 14px;
}
.tags {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin: 24px 0 30px;
}
.tags span {
  font-size: 11px;
  border: 1px solid #bdd6e9;
  border-radius: 4px;
  padding: 3px 9px;
  color: var(--blue);
}
.hero-note {
  font-size: 11px;
  margin-top: 20px;
}
.hero-visual {
  padding: 20px 0 20px 22px;
}
.visual-caption {
  font-size: 10px;
  letter-spacing: 2px;
  color: #6f91ac;
}
.media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  background: #f4f8fb;
  border: 1px dashed #bfceda;
  border-radius: var(--radius);
  overflow: hidden;
  padding: 25px;
  color: #7891a4;
  gap: 8px;
}
.media:before {
  content: "＋";
  font-size: 32px;
  font-weight: 200;
  color: #9bb3c5;
  line-height: 1;
}
.media .placeholder-label {
  font-size: 14px;
  font-weight: 500;
}
.media .placeholder-hint {
  font-size: 11px;
  max-width: 290px;
  line-height: 1.8;
  color: #879baa;
}
.media .placeholder-path {
  font:
    10px Consolas,
    monospace;
  color: #9aaebb;
  margin-top: 10px;
}
.media.has-image {
  border: 0;
  background: transparent;
  padding: 0;
  cursor: zoom-in;
}
.media.has-image:before {
  display: none;
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.main-device {
  height: 355px;
  margin: 20px 0;
  background: #ffffff4d;
  border-color: #b3cfe2;
}
.visual-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  color: #708ba0;
}
.visual-foot > span:first-child {
  font-size: 22px;
  font-weight: 600;
  color: var(--deep);
  letter-spacing: 1px;
}
.series {
  font-size: 10px;
  font-weight: 400;
}
.hero-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: #6b879b;
  border-top: 1px solid #cbdfea;
  margin-top: 32px;
  padding-top: 13px;
  padding-bottom: 13px;
}
.hero-bottom b {
  margin-left: 25px;
  color: var(--blue);
}
.section {
  padding: 76px 0;
  background: #fff;
}
.pale {
  background: var(--pale);
}
.section-heading {
  margin-bottom: 36px;
}
.section-heading p:not(.eyebrow) {
  margin-top: 13px;
  font-size: 13px;
}
.centered {
  text-align: center;
}
.grid {
  display: grid;
  gap: 20px;
}
.four {
  grid-template-columns: repeat(4, 1fr);
}
.three {
  grid-template-columns: repeat(3, 1fr);
}
.two {
  grid-template-columns: repeat(2, 1fr);
}
.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 4px 14px #0d487c03;
}
.icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: var(--pale);
  border-radius: 9px;
  margin-bottom: 19px;
}
.icon svg {
  width: 23px;
  height: 23px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}
.card p {
  font-size: 12px;
  line-height: 1.95;
}
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.product-gallery {
  padding: 30px;
  background: #f9fcfe;
  border-right: 1px solid var(--line);
}
.product-image {
  height: 410px;
  background: white;
}
.thumbs {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  justify-content: center;
}
.thumb {
  background: white;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 7px 20px;
  font-size: 12px;
  color: var(--muted);
}
.thumb.active {
  color: var(--blue);
  border-color: var(--blue);
}
.product-info {
  padding: 37px 42px;
}
.pill {
  background: var(--pale);
  padding: 5px 10px;
  border-radius: 4px;
  color: var(--blue);
  font-size: 10px;
}
.product-info h3 {
  font-size: 28px;
  margin: 17px 0;
}
.product-info > p {
  font-size: 12px;
}
.product-facts {
  font-size: 12px;
  margin: 21px 0;
}
.product-facts div {
  display: flex;
  margin-bottom: 8px;
}
.product-facts dt {
  width: 90px;
  color: var(--muted);
}
.product-facts dd {
  margin: 0;
}
.price {
  border-top: 1px solid var(--line);
  padding-top: 17px;
  margin-bottom: 20px;
}
.price > span {
  font-size: 11px;
  color: var(--muted);
  margin-right: 20px;
}
.price strong {
  font-size: 25px;
  color: var(--blue);
}
.price p {
  font-size: 11px;
  margin-top: 5px;
}
.compact {
  margin-top: 23px;
}
.compact .card {
  display: grid;
  grid-template-columns: 36px 1fr;
  column-gap: 14px;
  padding: 21px 25px;
  box-shadow: none;
}
.compact .icon {
  grid-row: span 2;
  margin: 0;
  background: transparent;
  width: 34px;
}
.compact h3 {
  font-size: 14px;
  margin-bottom: 3px;
}
.compact p {
  font-size: 11px;
}
.status {
  display: inline-block;
  font-size: 10px;
  background: #f1f5f8;
  color: #7990a0;
  border-radius: 3px;
  padding: 1px 7px;
  margin-bottom: 10px;
}
.feature-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
}
.feature-top .icon {
  margin-bottom: 16px;
}
.feature-top .status {
  margin-top: 6px;
}
figure {
  margin: 0;
}
figcaption {
  padding: 18px 2px 24px;
}
figcaption h3 {
  font-size: 16px;
}
figcaption p {
  font-size: 12px;
  margin-top: 6px;
}
.wide {
  height: 430px;
  background: #fff;
}
.report {
  height: 255px;
  background: #fff;
}
.spec-grid {
  display: grid;
  grid-template-columns: 37% 1fr;
  gap: 45px;
  align-items: start;
}
.detail {
  height: 455px;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
}
caption {
  text-align: left;
  background: var(--deep);
  padding: 12px 18px;
  color: white;
  border-radius: 7px 7px 0 0;
  font-weight: 600;
}
th,
td {
  padding: 11px 18px;
  border-bottom: 1px solid #e7eef4;
  text-align: left;
}
th {
  width: 42%;
  font-weight: 400;
  color: #607b8e;
}
tr:nth-child(even) {
  background: #f4f8fb;
}
.note {
  font-size: 11px;
  margin: 18px 0;
}
.text-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
}
.consult-band {
  background: linear-gradient(105deg, var(--deep), var(--blue));
  color: #fff;
  padding: 37px 0;
}
.band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.consult-band h2 {
  font-size: 25px;
  letter-spacing: 0;
}
.consult-band p {
  color: #d1e4f3;
  font-size: 12px;
  margin-top: 8px;
}
.consult-band .eyebrow {
  color: #b1d4ed;
  font-size: 9px;
  margin-top: 0;
  margin-bottom: 8px;
}
.scene-card {
  display: grid;
  grid-template-columns: 37% 1fr;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 175px;
}
.scene-card .media {
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  padding: 15px;
  background: var(--pale);
}
.scene-card .placeholder-label {
  font-size: 11px;
}
.scene-card .placeholder-hint,
.scene-card .placeholder-path {
  display: none;
}
.scene-copy {
  padding: 23px;
}
.scene-copy small {
  font-size: 10px;
  color: var(--blue);
  letter-spacing: 1px;
}
.scene-copy h3 {
  font-size: 18px;
  margin: 6px 0;
}
.scene-copy p {
  font-size: 12px;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.about-grid p:not(.eyebrow) {
  font-size: 13px;
  margin: 16px 0;
}
.about-grid .about-lead {
  font-size: 23px !important;
  color: var(--deep);
  line-height: 1.7;
}
.company {
  height: 360px;
  background: #fff;
}
.faq-layout {
  display: grid;
  grid-template-columns: 34% 1fr;
  gap: 60px;
}
.faq-layout h2 {
  font-size: 31px;
}
.faq-layout .text-link {
  display: inline-block;
  margin-top: 30px;
}
details {
  border-bottom: 1px solid var(--line);
}
summary {
  padding: 19px 32px 19px 0;
  cursor: pointer;
  font-weight: 500;
  font-size: 14px;
  list-style: none;
  position: relative;
}
summary::-webkit-details-marker {
  display: none;
}
summary:after {
  content: "＋";
  position: absolute;
  right: 0;
  color: var(--blue);
  font-size: 18px;
}
details[open] summary:after {
  content: "−";
}
details[open] summary {
  color: var(--blue);
}
details p {
  font-size: 12px;
  padding: 0 32px 20px 0;
  line-height: 2;
}
.article {
  padding: 26px;
  display: flex;
  flex-direction: column;
}
.article-category {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--blue);
  margin-bottom: 15px;
}
.article h3 {
  font-size: 17px;
  margin-bottom: 10px;
}
.article p {
  font-size: 12px;
  flex: 1;
}
.article-bottom {
  border-top: 1px solid var(--line);
  margin-top: 23px;
  padding-top: 13px;
  font-size: 10px;
  color: #8799a7;
  display: flex;
  justify-content: space-between;
}
.bottom-band {
  padding: 46px 0;
}
footer {
  background: #0d2f4b;
  color: #e8f0f6;
  padding: 47px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.3fr 1fr 1fr;
  gap: 35px;
}
footer h2 {
  font-size: 20px;
  letter-spacing: 0;
  margin-bottom: 15px;
}
footer h3 {
  font-size: 13px;
  margin-bottom: 17px;
}
footer p,
footer a {
  font-size: 11px;
  color: #aec2d2;
}
footer a {
  display: block;
  margin: 7px 0;
}
.footer-company p {
  margin: 8px 0;
}
.footer-note {
  font-size: 9px;
  color: #7c9bb2;
}
.qr {
  width: 113px;
  height: 113px;
  background: #f4f8fb;
  border-radius: 6px;
  padding: 10px;
}
.qr .placeholder-path,
.qr .placeholder-hint {
  display: none;
}
.qr .placeholder-label {
  font-size: 10px;
}
.qr:before {
  font-size: 20px;
}
.qr-area > span {
  font-size: 9px;
  color: #aec2d2;
}
.copyright {
  display: flex;
  justify-content: space-between;
  color: #7898af;
  font-size: 10px;
  border-top: 1px solid #ffffff15;
  margin-top: 38px;
  padding-top: 17px;
  padding-bottom: 17px;
}
.floating {
  position: fixed;
  right: 17px;
  bottom: 30px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  z-index: 20;
  box-shadow: 0 3px 20px #0d487c12;
}
.floating a,
.floating button {
  display: flex;
  width: 49px;
  height: 57px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--blue);
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.floating span {
  font-size: 20px;
  line-height: 1.2;
}
.floating small {
  font-size: 9px;
}
.floating a:last-child {
  border: 0;
}
.skip {
  position: fixed;
  top: -100px;
  z-index: 100;
  background: white;
  padding: 10px;
}
.skip:focus {
  top: 0;
}
dialog {
  max-width: min(1000px, 92vw);
  max-height: 90vh;
  border: 0;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 12px 60px #0004;
}
dialog::backdrop {
  background: #10283bcc;
}
dialog > img {
  display: block;
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
  margin: auto;
}
dialog > p {
  text-align: center;
  font-size: 12px;
  margin-top: 15px;
}
.dialog-close {
  position: absolute;
  top: 8px;
  right: 12px;
  background: transparent;
  border: 0;
  color: var(--deep);
  font-size: 27px;
}
.dialog-qr {
  width: 220px;
  height: 220px;
  margin: 20px auto;
}
#wechat-dialog {
  text-align: center;
}
#wechat-dialog h2 {
  font-size: 23px;
}
.media[role="button"]:focus-visible {
  outline: 3px solid var(--blue);
}
@media (min-width: 1500px) {
  .floating {
    right: 30px;
  }
}
@media (max-width: 1150px) {
  nav {
    gap: 14px;
    font-size: 12px;
  }
  .header-contact > span {
    display: none;
  }
  .header-inner {
    gap: 15px;
  }
  h1 {
    font-size: 39px;
  }
  .hero-sub {
    font-size: 22px;
  }
  .product-info {
    padding: 30px;
  }
  .footer-grid {
    gap: 20px;
  }
}
@media (max-width: 900px) {
  .menu-toggle {
    display: block;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 5px;
    color: var(--blue);
    padding: 4px 11px;
    font-size: 22px;
    margin-left: auto;
  }
  .header {
    height: 70px;
  }
  nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    padding: 20px 24px;
    box-shadow: 0 10px 15px #1833490d;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  nav.open {
    display: grid;
  }
  .hero-grid {
    grid-template-columns: 54% 46%;
  }
  h1 {
    font-size: 32px;
  }
  .hero-sub {
    font-size: 20px;
  }
  .hero-description {
    font-size: 13px;
  }
  .hero-visual {
    padding-left: 15px;
  }
  .main-device {
    height: 330px;
  }
  .four {
    grid-template-columns: repeat(2, 1fr);
  }
  .three {
    grid-template-columns: repeat(2, 1fr);
  }
  .compact.three {
    grid-template-columns: repeat(3, 1fr);
  }
  .compact .card {
    display: block;
    padding: 20px;
  }
  .compact .icon {
    margin-bottom: 10px;
  }
  .product-image {
    height: 390px;
  }
  .product-info h3 {
    font-size: 24px;
  }
  .product-info {
    padding: 25px;
  }
  .spec-grid {
    grid-template-columns: 34% 1fr;
    gap: 25px;
  }
  .band-inner {
    align-items: start;
    flex-direction: column;
  }
  .consult-band .actions {
    flex-shrink: 0;
  }
  .about-grid {
    gap: 30px;
  }
  .faq-layout {
    grid-template-columns: 30% 1fr;
    gap: 25px;
  }
  .faq-layout h2 {
    font-size: 26px;
  }
  .scene-card {
    grid-template-columns: 33% 1fr;
  }
  .scene-copy {
    padding: 18px;
  }
  .footer-grid {
    grid-template-columns: 1.6fr 1.3fr 1fr;
  }
  .qr-area {
    grid-column: 1/-1;
    display: flex;
    align-items: center;
    gap: 15px;
  }
  .qr-area .qr {
    width: 85px;
    height: 85px;
  }
  .section {
    padding: 60px 0;
  }
}
@media (max-width: 600px) {
  .container {
    padding-left: 21px;
    padding-right: 21px;
  }
  .header-inner {
    gap: 12px;
  }
  .brand-word {
    font-size: 22px;
  }
  .header-contact .small {
    font-size: 11px;
    padding: 8px 11px;
  }
  .hero {
    padding-top: 32px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-copy {
    padding-top: 8px;
  }
  h1 {
    font-size: 34px;
    letter-spacing: -1px;
    margin: 16px 0;
  }
  .hero-sub {
    font-size: 22px;
  }
  .hero-sub br {
    display: none;
  }
  .hero-description {
    max-width: 100%;
    font-size: 13px;
  }
  .hero .eyebrow {
    font-size: 11px;
  }
  .tags {
    margin: 20px 0 25px;
    gap: 6px;
  }
  .tags span {
    font-size: 10px;
    padding: 3px 7px;
  }
  .hero-note {
    font-size: 10px;
  }
  .hero-visual {
    padding: 30px 0 0;
  }
  .main-device {
    height: 290px;
    margin: 13px 0;
  }
  .visual-caption {
    font-size: 9px;
  }
  .visual-foot > span:first-child {
    font-size: 20px;
  }
  .hero-bottom {
    margin-top: 24px;
  }
  .section {
    padding: 48px 0;
  }
  h2 {
    font-size: 25px;
    letter-spacing: -0.5px;
  }
  .section-heading {
    margin-bottom: 26px;
  }
  .section-heading p:not(.eyebrow) {
    font-size: 12px;
  }
  .eyebrow {
    font-size: 9px;
    margin-bottom: 10px;
  }
  .grid {
    gap: 13px;
  }
  .four {
    grid-template-columns: repeat(2, 1fr);
  }
  .card {
    padding: 20px 17px;
  }
  .card h3 {
    font-size: 15px;
  }
  .card p {
    font-size: 11px;
  }
  .icon {
    margin-bottom: 15px;
    width: 34px;
    height: 34px;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product-gallery {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 20px;
  }
  .product-image {
    height: 310px;
  }
  .product-info {
    padding: 26px;
  }
  .product-info h3 {
    font-size: 26px;
  }
  .compact.three {
    grid-template-columns: 1fr;
  }
  .compact .card {
    display: grid;
    grid-template-columns: 33px 1fr;
    padding: 17px 20px;
  }
  .compact .icon {
    margin: 0;
  }
  .three {
    grid-template-columns: 1fr;
  }
  .feature-card {
    padding: 24px;
  }
  .feature-card h3 {
    font-size: 17px;
  }
  .feature-card p {
    font-size: 12px;
  }
  .two {
    grid-template-columns: 1fr;
  }
  .wide {
    height: 240px;
  }
  .report {
    height: 220px;
  }
  figcaption {
    padding: 14px 0 20px;
  }
  .spec-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .detail {
    height: 270px;
  }
  th,
  td {
    padding: 11px 12px;
    font-size: 11px;
  }
  .consult-band {
    padding: 30px 0;
  }
  .consult-band h2 {
    font-size: 23px;
  }
  .band-inner {
    gap: 22px;
  }
  .scene-card {
    grid-template-columns: 33% 1fr;
    min-height: 155px;
  }
  .scene-copy {
    padding: 18px;
  }
  .scene-copy h3 {
    font-size: 17px;
  }
  .scene-copy p {
    font-size: 11px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .about-grid .about-lead {
    font-size: 21px !important;
  }
  .company {
    height: 260px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .faq-layout h2 br {
    display: none;
  }
  .faq-layout .text-link {
    margin-top: 15px;
  }
  .faq-layout h2 {
    font-size: 25px;
  }
  summary {
    font-size: 13px;
    padding-top: 17px;
    padding-bottom: 17px;
  }
  .article {
    padding: 23px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px 15px;
  }
  .footer-company {
    grid-column: 1/-1;
  }
  .qr-area {
    grid-column: 1/-1;
  }
  .copyright {
    flex-direction: column;
    gap: 5px;
    padding-bottom: 25px;
    font-size: 9px;
  }
  .floating {
    right: 8px;
    bottom: 16px;
  }
  .floating a,
  .floating button {
    width: 39px;
    height: 46px;
  }
  .floating span {
    font-size: 17px;
  }
  .floating small {
    font-size: 8px;
  }
  .actions .button {
    padding: 12px 18px;
    font-size: 13px;
    gap: 13px;
  }
  dialog {
    padding: 35px 22px;
  }
  nav {
    font-size: 12px;
  }
  .bottom-band {
    scroll-margin-top: 70px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}
/* 精简落地页：合并产品配置，功能采用紧凑图文排列。 */
.hero-note {
  font-size: 14px;
  color: #536f85;
  line-height: 1.8;
}
.button-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.button:has(.button-icon) {
  gap: 9px;
}
.product-info h3 {
  margin: 15px 0;
  font-size: 28px;
}
.merged-specs {
  scroll-margin-top: 100px;
  margin-top: 24px;
}
.merged-specs h4,
.quote-invite h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 10px;
}
.merged-specs th {
  width: 46%;
}
.merged-specs td {
  color: #607b8e;
}
.quote-invite {
  margin: 23px 0 18px;
  padding-top: 19px;
  border-top: 1px solid var(--line);
}
.quote-invite h4 {
  font-size: 17px;
  margin-bottom: 5px;
}
.quote-invite p {
  font-size: 13px;
}
#feature-cards {
  gap: 0 30px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 25px;
}
#feature-cards .feature-card {
  position: relative;
  display: grid;
  grid-template-columns: 38px 1fr;
  column-gap: 14px;
  padding: 23px 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}
#feature-cards .feature-top {
  grid-row: span 2;
  display: block;
}
#feature-cards .icon {
  width: 38px;
  height: 38px;
  margin: 0;
}
#feature-cards h3 {
  font-size: 16px;
  margin: 0 0 5px;
}
#feature-cards p {
  font-size: 12px;
  line-height: 1.7;
}
#feature-cards .feature-card:nth-child(n + 4) {
  border-top: 1px solid var(--line);
}
@media (max-width: 900px) and (min-width: 601px) {
  #feature-cards .feature-card:nth-child(3) {
    border-top: 1px solid var(--line);
  }
}
@media (max-width: 600px) {
  .hero-note {
    font-size: 14px;
    margin-top: 18px;
  }
  .product-info {
    padding: 23px;
  }
  .product-image {
    height: 270px;
  }
  .product-info h3 {
    font-size: 24px;
  }
  .merged-specs {
    margin-top: 20px;
  }
  .merged-specs th,
  .merged-specs td {
    padding: 10px 8px;
  }
  #feature-cards {
    padding: 3px 18px;
  }
  #feature-cards .feature-card {
    padding: 17px 0;
    column-gap: 12px;
  }
  #feature-cards .feature-card + .feature-card {
    border-top: 1px solid var(--line);
  }
  #feature-cards h3 {
    font-size: 15px;
    margin-bottom: 3px;
  }
  #feature-cards p {
    font-size: 12px;
  }
  .quote-invite p {
    font-size: 12px;
  }
}
/* 首屏：淡蓝几何分区与细线纹理，设备保持完整显示。 */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(110deg, #f5faff 0%, #edf6fd 55%, #e4f1fb 100%);
}
.hero:before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 0 0 48%;
  background: linear-gradient(
    132deg,
    transparent 0 26%,
    #d7eaf8aa 26% 60%,
    #f4faff99 60% 76%,
    transparent 76%
  );
  pointer-events: none;
}
.hero:after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 590px;
  height: 590px;
  border: 1px solid #176db017;
  border-radius: 50%;
  right: -70px;
  top: -170px;
  box-shadow:
    0 0 0 65px #176db005,
    0 0 0 130px #176db004;
  pointer-events: none;
}
.hero-visual {
  position: relative;
}
.hero-visual:before {
  content: "";
  position: absolute;
  inset: 20px -30px 55px 5px;
  z-index: -1;
  background-image:
    linear-gradient(#176db008 1px, transparent 1px),
    linear-gradient(90deg, #176db008 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(
    to bottom,
    transparent,
    #000 30%,
    #000 70%,
    transparent
  );
}
.hero .main-device {
  background: #ffffff70;
  border: 1px dashed #a9c9e0;
  box-shadow: 0 15px 40px #0d487c06;
}
.hero .main-device.has-image {
  border: 0;
  background: transparent;
  box-shadow: none;
}
.hero-bottom {
  background: #ffffff35;
}
/* 咨询浮栏：完整文字、统一线性图标与清晰操作层级。 */
.floating {
  width: 158px;
  right: 18px;
  bottom: 38px;
  border: 1px solid #d8e6f0;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 30px #0d487c18;
  overflow: hidden;
}
.float-heading {
  padding: 13px 15px;
  background: var(--deep);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}
.float-heading small {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 1px;
  color: #c4dcec;
}
.floating .float-action {
  width: 100%;
  height: auto;
  min-height: 75px;
  padding: 15px 13px;
  display: flex;
  flex-direction: row;
  gap: 10px;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  border: 0;
  border-bottom: 1px solid #e7eff5;
  transition: background 0.2s;
}
.floating svg {
  width: 23px;
  height: 23px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.floating .float-action span {
  font-size: 13px;
  line-height: 1.5;
  font-weight: 600;
}
.floating .float-action small {
  display: block;
  font-size: 9px;
  font-weight: 400;
  line-height: 1.5;
  color: #7b91a3;
  margin-top: 4px;
}
.floating .float-action:hover {
  background: #eff7fc;
}
.floating .float-top {
  width: 100%;
  height: 39px;
  display: flex;
  flex-direction: row;
  gap: 7px;
  color: #6d879a;
  background: #f7fafc;
}
.floating .float-top svg {
  width: 16px;
  height: 16px;
}
.floating .float-top span {
  font-size: 10px;
}
@media (max-width: 1450px) {
  .floating {
    width: 78px;
    right: 12px;
    bottom: 25px;
  }
  .float-heading {
    padding: 10px 4px;
    font-size: 12px;
    text-align: center;
  }
  .float-heading small {
    display: none;
  }
  .floating .float-action {
    flex-direction: column;
    justify-content: center;
    padding: 12px 4px;
    gap: 7px;
    min-height: 77px;
    text-align: center;
  }
  .floating .float-action span {
    font-size: 11px;
  }
  .floating .float-action small {
    display: none;
  }
  .floating .float-top {
    height: 41px;
  }
  .floating .float-top span {
    font-size: 9px;
  }
}
@media (max-width: 600px) {
  .hero:before {
    inset: 40% -35% 0 0;
    opacity: 0.65;
  }
  .hero:after {
    width: 330px;
    height: 330px;
    top: 52%;
    right: -190px;
  }
  .hero-visual:before {
    inset: 35px -20px 40px;
  }
  .floating {
    width: 54px;
    right: 8px;
    bottom: 18px;
    border-radius: 9px;
  }
  .float-heading {
    font-size: 10px;
    padding: 7px 0;
  }
  .floating .float-action {
    padding: 10px 2px;
    gap: 5px;
    min-height: 63px;
  }
  .floating svg {
    width: 21px;
    height: 21px;
  }
  .floating .float-action span {
    font-size: 9px;
  }
  .floating .float-top {
    height: 35px;
    gap: 3px;
  }
  .floating .float-top span {
    font-size: 8px;
  }
  .floating .float-top svg {
    width: 13px;
  }
}
/* 真实素材：保留原始比例，避免小尺寸设备图片过度放大。 */
.logo-slot img {
  width: 94px;
  max-width: 110px;
  height: 55px;
  max-height: 55px;
  object-fit: contain;
}
.main-device.has-image img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.product-image.has-image img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.company.has-image {
  height: auto;
  min-height: 0;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.company.has-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
@media (max-width: 600px) {
  .logo-slot img {
    width: 79px;
    height: 46px;
    max-height: 46px;
  }
}
.logo-slot img {
  display: block;
}
.logo-slot:has(img) .brand-word {
  display: none;
}
/* 品牌组合、胶囊标签及产品咨询行。 */
.logo-slot {
  gap: 10px;
}
.logo-slot img {
  width: 69px;
  height: 41px;
  max-height: 41px;
}
.logo-slot:has(img) .brand-word {
  display: block;
}
.brand-word {
  font-size: 19px;
  letter-spacing: 1px;
}
.brand-word small {
  font-size: 10px;
  letter-spacing: 0;
  margin-top: 6px;
}
.header-inner {
  gap: 15px;
}
nav {
  gap: 17px;
}
.header-contact {
  gap: 12px;
}
.header-contact > [data-phone-label] {
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  white-space: nowrap;
}
.tags {
  gap: 10px;
}
.tags span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  border-radius: 999px;
  background: #ffffffba;
  border: 1px solid #cbdfea;
  font-size: 12px;
  color: #326b95;
  box-shadow: 0 2px 6px #0d487c04;
}
.tags span:before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #72a6cc;
}
.quote-invite {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 0;
}
.quote-invite > div {
  min-width: 0;
}
.quote-invite h4 {
  font-size: 15px;
}
.quote-invite .button {
  flex-shrink: 0;
  padding: 11px 15px;
  font-size: 12px;
  white-space: nowrap;
}
.quote-invite p {
  font-size: 11px;
}
.company.has-image {
  height: auto;
  min-height: 0;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.company.has-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}
@media (max-width: 1150px) and (min-width: 901px) {
  .header-contact > [data-phone-label] {
    display: none;
  }
  .brand-word {
    font-size: 17px;
  }
  nav {
    gap: 12px;
  }
}
@media (max-width: 600px) {
  .logo-slot {
    gap: 7px;
  }
  .logo-slot img {
    width: 53px;
    height: 33px;
    max-height: 33px;
  }
  .brand-word {
    font-size: 16px;
  }
  .brand-word small {
    font-size: 8px;
    margin-top: 4px;
  }
  .tags {
    gap: 6px;
  }
  .tags span {
    font-size: 10px;
    padding: 5px 9px;
    gap: 5px;
  }
  .quote-invite {
    gap: 10px;
  }
  .quote-invite h4 {
    font-size: 13px;
  }
  .quote-invite p {
    font-size: 10px;
  }
  .quote-invite .button {
    font-size: 11px;
    padding: 10px;
  }
  .header-inner {
    gap: 8px;
  }
  .menu-toggle {
    padding: 3px 7px;
  }
  .header-contact .small {
    padding: 8px;
  }
  .company.has-image {
    height: auto;
    min-height: 0;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }
}
@media (max-width: 370px) {
  .brand-word small {
    display: none;
  }
  .quote-invite h4 {
    font-size: 12px;
  }
  .quote-invite .button {
    padding: 9px 7px;
    font-size: 10px;
  }
}

.scene-card .scene-image.has-image {
  padding: 0;
  border: 0;
  background: transparent;
  align-self: stretch;
  min-height: 175px;
}
.scene-card .scene-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 页脚采购电话突出展示。 */
.footer-phone {
  margin: 0 0 16px;
}
.footer-phone > span {
  display: block;
  font-size: 11px;
  color: #aec2d2;
  margin-bottom: 5px;
}
footer .footer-phone > a {
  display: inline-block;
  margin: 0;
  font-family: Arial, sans-serif;
  font-size: 27px;
  font-weight: 700;
  letter-spacing: 0.6px;
  line-height: 1.4;
  color: #fff;
  white-space: nowrap;
}
footer .footer-phone > a:hover {
  color: #cce8ff;
  text-decoration: underline;
  text-underline-offset: 5px;
}
@media (max-width: 600px) {
  footer .footer-phone > a {
    font-size: 23px;
    letter-spacing: 0;
  }
}
/* 场景卡片：清晰编号与定高局部取景。 */
.scene-copy small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  border-radius: 7px;
  background: var(--blue);
  color: #fff;
  font:
    600 15px/1 Arial,
    sans-serif;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.scene-copy h3 {
  margin: 0 0 7px;
}
.scene-card .scene-image.has-image {
  position: relative;
  height: 100%;
  min-height: 175px;
  overflow: hidden;
}
.scene-card .scene-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.scene-card:nth-child(1) .scene-image img {
  object-position: 65% 55%;
}
.scene-card:nth-child(2) .scene-image img {
  object-position: 67% 58%;
}
.scene-card:nth-child(3) .scene-image img {
  object-position: 38% 57%;
}
.scene-card:nth-child(4) .scene-image img {
  object-position: 53% 61%;
}
@media (max-width: 600px) {
  .scene-copy small {
    width: 28px;
    height: 24px;
    font-size: 13px;
    margin-bottom: 7px;
  }
  .scene-card .scene-image.has-image {
    min-height: 165px;
  }
}
/* 正式稿：场景标题同排、统一横幅及产品公开信息。 */
.scene-copy {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  column-gap: 10px;
  align-content: center;
  align-items: center;
}
.scene-copy small {
  margin: 0;
  width: 32px;
  height: 28px;
  font-size: 14px;
}
.scene-copy h3 {
  margin: 0;
  line-height: 1.5;
}
.scene-copy p {
  grid-column: 1 / -1;
  margin-top: 12px;
}
.about-grid .about-lead {
  font-size: 21px !important;
}
.consult-band .actions .button {
  min-width: 134px;
  min-height: 48px;
  border-radius: 6px;
}
.consult-band .actions .orange {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}
.consult-band .actions .white-outline {
  background: transparent;
  color: #fff;
  border-color: #ffffff80;
}
.product-disclosure {
  padding-top: 30px;
  padding-bottom: 30px;
}
.product-disclosure h3 {
  font-size: 17px;
  margin-bottom: 15px;
}
.product-disclosure dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 30px;
  margin: 0 0 17px;
  font-size: 12px;
}
.product-disclosure dl div {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
}
.product-disclosure dt {
  color: var(--muted);
}
.product-disclosure dd {
  margin: 0;
}
.product-disclosure > p {
  font-size: 12px;
  margin-top: 8px;
}
.product-disclosure .product-caution {
  color: var(--ink);
  line-height: 1.9;
}
@media (max-width: 600px) {
  .scene-copy {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 8px;
  }
  .scene-copy small {
    width: 28px;
    height: 25px;
    margin: 0;
  }
  .scene-copy p {
    margin-top: 3px;
  }
  .scene-copy h3 {
    font-size: 16px;
  }
  .product-disclosure dl {
    grid-template-columns: 1fr;
  }
  .consult-band .actions .button {
    min-width: 130px;
  }
}
/* 场景序号采用简洁数字与分隔线，不使用色块徽标。 */
.scene-copy {
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 12px;
}
.scene-copy small {
  width: 40px;
  height: 25px;
  border-radius: 0;
  border-right: 1px solid #c6dbea;
  background: transparent;
  color: #5f8fae;
  font:
    400 22px/1 Arial,
    sans-serif;
  letter-spacing: 0;
  justify-content: flex-start;
  margin: 0;
}
footer .product-disclosure {
  margin-top: 30px;
  padding-top: 23px;
  padding-bottom: 22px;
  border-top: 1px solid #ffffff20;
}
footer .product-disclosure h3 {
  font-size: 13px;
  color: #dce9f3;
  margin-bottom: 13px;
}
footer .product-disclosure dl {
  font-size: 11px;
  gap: 8px 30px;
}
footer .product-disclosure dt {
  color: #9db7ca;
}
footer .product-disclosure dd {
  color: #d1e1ed;
}
footer .product-disclosure > p {
  color: #9db7ca;
  font-size: 11px;
}
footer .product-disclosure .product-caution {
  color: #d1e1ed;
}
footer .copyright {
  margin-top: 0;
}
@media (max-width: 600px) {
  .scene-copy {
    grid-template-columns: 33px minmax(0, 1fr);
    column-gap: 9px;
  }
  .scene-copy small {
    width: 33px;
    height: 22px;
    font-size: 20px;
  }
}
/* 紧凑页尾：注册信息并入公司栏。 */
footer .footer-registration {
  font-size: 11px;
  line-height: 1.9;
  overflow-wrap: anywhere;
}
footer .copyright {
  margin-top: 32px;
  display: block;
}
footer .copyright p {
  font-size: 11px;
  line-height: 2;
  color: #9db7ca;
}
footer .copyright a {
  display: inline;
  margin: 0 5px;
  color: #bcd1e1;
  font-size: inherit;
}
footer .copyright a:hover {
  color: #fff;
}