/* 公开官网布局：导航、首屏、产品卡片、基础设施展示与联系页脚。 */
/* 导入方：app/layouts/official-site.vue。 */
.official-site {
  min-height: 100vh;
  color: var(--p-text-color, #334155);
  background: var(--console-page-bg, #f8fafc);
  --official-primary: var(--p-primary-color, #0052d9);
  --official-accent: #eff6ff;
}
.official-site a {
  color: inherit;
  text-decoration: none;
}
/* 滚动时保持此区域可见；定位偏移需与页面固定顶栏及父级滚动容器一起核对。 */
.official-header {
  z-index: 20;
  border-bottom: 1px solid var(--console-panel-border, #e2e8f0);
  background: color-mix(
    in srgb,
    var(--p-content-background, #fff) 92%,
    transparent
  );
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
}
.official-header-inner {
  align-items: center;
  gap: 32px;
  width: min(1200px, 100% - 36px);
  min-height: 66px;
  margin: 0 auto;
  display: flex;
}
.official-brand {
  align-items: center;
  gap: 10px;
  min-width: 0;
  display: inline-flex;
}
.official-brand-mark {
  background: color-mix(
    in srgb,
    var(--official-primary) 11%,
    var(--p-content-background)
  );
  border-radius: 5px;
  justify-content: center;
  align-items: flex-end;
  gap: 2px;
  width: 30px;
  height: 30px;
  padding: 6px;
  display: inline-flex;
}
.official-brand-mark span {
  background: var(--official-primary);
  border-radius: 2px 2px 1px 1px;
  width: 4px;
}
.official-brand-mark span:first-child {
  opacity: 0.6;
  height: 8px;
}
.official-brand-mark span:nth-child(2) {
  height: 14px;
}
.official-brand-mark span:nth-child(3) {
  opacity: 0.8;
  height: 10px;
}
.official-brand-image {
  -o-object-fit: contain;
  object-fit: contain;
  width: auto;
  max-width: 136px;
  max-height: 36px;
  display: block;
}
.official-brand-copy {
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
  display: flex;
}
.official-brand-copy strong {
  color: var(--p-text-color);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1rem;
  font-weight: 650;
  overflow: hidden;
}
.official-brand-copy small {
  color: var(--p-text-muted-color);
  white-space: nowrap;
  margin-top: 3px;
  font-size: 0.75rem;
}
.official-nav {
  flex: 1;
  justify-content: center;
  align-items: center;
  gap: 27px;
  display: flex;
}
.official-mobile-nav a,
.official-nav a {
  color: var(--p-text-muted-color);
  font-size: 0.92rem;
  transition: color 0.18s;
}
.official-mobile-nav a:hover,
.official-nav a:hover {
  color: var(--official-primary);
}
.official-header-actions {
  align-items: center;
  gap: 10px;
  display: flex;
}
.official-header-login {
  border: 1px solid var(--console-panel-border);
  background: var(--p-content-background);
  color: var(--p-text-color);
  white-space: nowrap;
  border-radius: 4px;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  font-size: 0.88rem;
  transition:
    border-color 0.18s,
    color 0.18s;
  display: inline-flex;
}
.official-header-login i {
  color: var(--official-primary);
  font-size: 0.78rem;
}
.official-header-login:hover {
  border-color: var(--official-primary);
  color: var(--official-primary);
}
.official-menu-toggle {
  border: 1px solid var(--console-panel-border);
  background: var(--p-content-background);
  width: 38px;
  height: 38px;
  color: var(--p-text-color);
  cursor: pointer;
  border-radius: 4px;
  display: none;
}
.official-mobile-nav {
  display: none;
}
.official-main {
  width: min(1200px, 100% - 36px);
  margin: 0 auto;
}
.official-page {
  padding: 35px 0 50px;
}
.official-hero-top {
  grid-template-columns: 1.05fr 0.95fr;
  align-items: end;
  gap: 56px;
  padding: 36px 0 28px;
  display: grid;
}
.official-eyebrow,
.official-section-eyebrow {
  color: var(--official-primary);
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
}
.official-eyebrow {
  border: 1px solid
    color-mix(in srgb, var(--official-primary) 18%, var(--console-panel-border));
  background: color-mix(
    in srgb,
    var(--official-primary) 5%,
    var(--p-content-background)
  );
  border-radius: 20px;
  padding: 6px 10px;
}
.official-eyebrow > span {
  background: var(--official-primary);
  width: 7px;
  height: 7px;
  box-shadow: 0 0 0 3px
    color-mix(in srgb, var(--official-primary) 13%, transparent);
  border-radius: 50%;
}
.official-hero-heading h1 {
  max-width: 700px;
  color: var(--p-text-color);
  letter-spacing: -0.055em;
  white-space: pre-line;
  margin: 21px 0 9px;
  font-size: clamp(2.15rem, 4.25vw, 3.7rem);
  font-weight: 700;
  line-height: 1.18;
}
.official-hero-heading h2 {
  color: var(--p-text-muted-color);
  margin: 0;
  font-size: clamp(1.1rem, 1.7vw, 1.42rem);
  font-weight: 500;
}
.official-hero-intro {
  padding: 0 0 3px;
}
.official-hero-intro > p {
  max-width: 500px;
  color: var(--p-text-muted-color);
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.8;
}
.official-hero-features {
  flex-wrap: wrap;
  gap: 9px 18px;
  margin-bottom: 22px;
  display: flex;
}
.official-hero-features span {
  color: var(--p-text-color);
  align-items: center;
  gap: 7px;
  font-size: 0.88rem;
  display: inline-flex;
}
.official-hero-features i {
  color: var(--official-primary);
  font-size: 0.82rem;
}
.official-contact-actions,
.official-hero-actions {
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  display: flex;
}
.official-button {
  border: 1px solid #0000;
  border-radius: 4px;
  justify-content: center;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  padding: 8px 13px;
  font-size: 0.91rem;
  font-weight: 500;
  line-height: 1.3;
  transition:
    background 0.18s,
    border-color 0.18s,
    color 0.18s,
    transform 0.18s;
  display: inline-flex;
}
.official-button:hover {
  transform: translateY(-1px);
}
.official-button.primary {
  background: var(--official-primary);
  color: var(--p-primary-contrast-color, #fff);
  box-shadow: 0 2px 5px
    color-mix(in srgb, var(--official-primary) 20%, transparent);
}
.official-button.primary:hover {
  filter: brightness(0.96);
}
.official-button.secondary {
  border-color: var(--console-panel-border);
  background: var(--p-content-background);
  color: var(--p-text-color);
}
.official-button.secondary:hover {
  border-color: color-mix(
    in srgb,
    var(--official-primary) 40%,
    var(--console-panel-border)
  );
  color: var(--official-primary);
}
.official-button i {
  font-size: 0.8rem;
}
/* 首屏装饰性网络图由CSS元素组成，与真实资源监控数据无关。 */
.official-hero-visual {
  border: 1px solid
    color-mix(in srgb, var(--official-primary) 17%, var(--console-panel-border));
  background: linear-gradient(
    122deg,
    color-mix(in srgb, var(--official-accent) 86%, var(--p-content-background))
      0,
    var(--p-content-background) 57%,
    color-mix(in srgb, var(--official-primary) 10%, var(--p-content-background))
      100%
  );
  min-height: 315px;
  box-shadow: var(--console-panel-shadow);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}
.official-visual-grid {
  opacity: 0.48;
  background-image:
    linear-gradient(
      to right,
      color-mix(in srgb, var(--official-primary) 11%, transparent) 1px,
      transparent 1px
    ),
    linear-gradient(
      to bottom,
      color-mix(in srgb, var(--official-primary) 11%, transparent) 1px,
      transparent 1px
    );
  background-size: 34px 34px;
  position: absolute;
  inset: 0;
  -webkit-mask-image: linear-gradient(110deg, #000 5%, #0000 83%);
  mask-image: linear-gradient(110deg, #000 5%, #0000 83%);
}
.official-visual-orbit {
  border: 1px solid color-mix(in srgb, var(--official-primary) 18%, transparent);
  border-radius: 50%;
  width: 290px;
  height: 290px;
  position: absolute;
}
.orbit-one {
  top: 11px;
  left: 8%;
}
.orbit-one,
.orbit-two {
  transform: scaleX(1.45);
}
.orbit-two {
  top: 54px;
  left: 14%;
}
.official-visual-network {
  position: absolute;
  inset: 0;
}
.network-line {
  transform-origin: 0;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, var(--official-primary) 55%, #fff),
    transparent
  );
  width: 47%;
  height: 1px;
  position: absolute;
  top: 50%;
  left: 14%;
}
.line-one {
  transform: rotate(-18deg);
}
.line-two {
  transform: rotate(19deg);
}
.network-node {
  border: 2px solid var(--p-content-background);
  background: var(--official-primary);
  width: 8px;
  height: 8px;
  box-shadow: 0 0 0 4px
    color-mix(in srgb, var(--official-primary) 14%, transparent);
  border-radius: 50%;
  position: absolute;
}
.node-one {
  top: 26%;
  left: 23%;
}
.node-two {
  top: 68%;
  left: 33%;
}
.node-three {
  top: 37%;
  left: 53%;
}
.node-four {
  top: 62%;
  left: 62%;
}
.official-art-caption {
  color: color-mix(in srgb, var(--p-text-color) 74%, transparent);
  align-items: center;
  gap: 9px;
  font-size: 0.84rem;
  display: inline-flex;
  position: absolute;
  bottom: 23px;
  left: 25px;
}
.official-art-pulse {
  background: var(--official-primary);
  border-radius: 50%;
  width: 7px;
  height: 7px;
}
.official-hero-stat {
  width: min(265px, 40%);
  min-height: 215px;
  padding: 20px;
  position: absolute;
  top: 28px;
  right: 28px;
}
.official-stat-kicker {
  color: var(--p-text-muted-color);
  font-size: 0.82rem;
}
.official-stat-value {
  color: var(--p-text-color);
  letter-spacing: -0.04em;
  margin-top: 18px;
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.1;
}
.official-stat-value small {
  color: var(--p-text-muted-color);
  letter-spacing: 0;
  margin-left: 4px;
  font-size: 0.85rem;
  font-weight: 500;
}
.official-hero-stat strong {
  color: var(--p-text-color);
  margin-top: 11px;
  font-size: 0.95rem;
  font-weight: 600;
  display: block;
}
.official-hero-stat p {
  color: var(--p-text-muted-color);
  margin: 6px 0 0;
  font-size: 0.82rem;
  line-height: 1.55;
}
.official-floating-label {
  border: 1px solid var(--console-panel-border);
  background: var(--p-content-background);
  color: var(--p-text-color);
  box-shadow: var(--console-panel-shadow);
  border-radius: 4px;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  font-size: 0.86rem;
  display: inline-flex;
  position: absolute;
  bottom: 66px;
  left: 7%;
}
.official-floating-label i {
  color: var(--official-primary);
  font-size: 0.82rem;
}
.official-section {
  margin-top: 52px;
  scroll-margin-top: 87px;
}
.official-section-head {
  justify-content: space-between;
  align-items: flex-end;
  gap: 25px;
  margin-bottom: 20px;
  display: flex;
}
.official-contact-panel h2,
.official-infra-copy h2,
.official-section-head h2 {
  color: var(--p-text-color);
  letter-spacing: -0.035em;
  margin: 7px 0 6px;
  font-size: clamp(1.45rem, 2.5vw, 2rem);
  font-weight: 650;
  line-height: 1.3;
}
.official-contact-panel p,
.official-infra-copy > p,
.official-section-head p {
  max-width: 690px;
  color: var(--p-text-muted-color);
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.7;
}
.official-section-badges {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  display: flex;
}
.official-section-badges span {
  border: 1px solid var(--console-panel-border);
  background: var(--p-content-background);
  color: var(--p-text-muted-color);
  white-space: nowrap;
  border-radius: 4px;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  font-size: 0.8rem;
  display: inline-flex;
}
.official-section-badges i {
  color: var(--official-primary);
  font-size: 0.72rem;
}
/* 官网产品卡片网格，不改变商品接口或库存判定。 */
.official-product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  display: grid;
}
.official-product-card {
  min-height: 315px;
  padding: 18px;
  transition:
    border-color 0.18s,
    box-shadow 0.18s,
    transform 0.18s;
  position: relative;
}
.official-product-card:hover {
  border-color: color-mix(
    in srgb,
    var(--official-primary) 30%,
    var(--console-panel-border)
  );
  transform: translateY(-2px);
  box-shadow: 0 5px 14px #0f172a14;
}
.official-product-icon {
  border: 1px solid
    color-mix(in srgb, var(--official-primary) 15%, var(--console-panel-border));
  background: color-mix(
    in srgb,
    var(--official-primary) 7%,
    var(--p-content-background)
  );
  width: 38px;
  height: 38px;
  color: var(--official-primary);
  border-radius: 4px;
  place-items: center;
  font-size: 1.2rem;
  display: grid;
}
.official-product-title-row {
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-top: 16px;
  display: flex;
}
.official-product-title-row h3 {
  color: var(--p-text-color);
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}
.official-product-title-row span {
  color: var(--p-text-muted-color);
  letter-spacing: 0.08em;
  margin-top: 3px;
  font-size: 0.72rem;
  display: block;
}
.official-product-title-row > i {
  color: var(--p-text-muted-color);
  margin-top: 3px;
  font-size: 0.88rem;
}
.official-product-description {
  min-height: 42px;
  color: var(--p-text-muted-color);
  margin: 12px 0 0;
  font-size: 0.87rem;
  line-height: 1.6;
}
.official-product-price {
  color: var(--p-text-color);
  align-items: baseline;
  gap: 7px;
  margin-top: 15px;
  font-size: 1.13rem;
  font-weight: 650;
  display: flex;
}
.official-product-price small {
  color: var(--p-text-muted-color);
  font-size: 0.79rem;
  font-weight: 400;
}
.official-product-features {
  border-top: 1px solid var(--console-panel-border);
  gap: 7px;
  margin: 14px 0;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
}
.official-product-features li {
  color: var(--p-text-muted-color);
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.83rem;
  display: flex;
}
.official-product-features i {
  color: var(--official-primary);
  font-size: 0.72rem;
}
.official-product-link {
  align-items: center;
  gap: 7px;
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-flex;
  color: var(--official-primary) !important;
}
.official-product-link i {
  font-size: 0.75rem;
  transition: transform 0.18s;
}
.official-product-link:hover i {
  transform: translate(3px);
}
.official-empty-card {
  min-height: 200px;
  color: var(--p-text-muted-color);
  justify-content: center;
  align-items: center;
  gap: 8px;
  display: flex;
}
.official-infra-panel {
  grid-template-columns: 0.9fr 1.1fr;
  min-height: 350px;
  padding: 25px;
  display: grid;
  overflow: hidden;
}
.official-infra-copy {
  flex-direction: column;
  align-items: flex-start;
  display: flex;
}
.official-infra-copy > p {
  max-width: 470px;
}
.official-infra-stats {
  flex-wrap: wrap;
  gap: 28px;
  margin: auto 0 0;
  padding-top: 30px;
  display: flex;
}
.official-infra-stats div {
  flex-direction: column-reverse;
  gap: 4px;
  display: flex;
}
.official-infra-stats dt {
  color: var(--p-text-muted-color);
  font-size: 0.8rem;
}
.official-infra-stats dd {
  color: var(--p-text-color);
  margin: 0;
  font-size: 1.2rem;
  font-weight: 650;
}
.official-infra-stats dd small {
  color: var(--p-text-muted-color);
  margin-left: 4px;
  font-size: 0.78rem;
  font-weight: 400;
}
.official-infra-visual {
  border: 1px solid
    color-mix(in srgb, var(--official-primary) 14%, var(--console-panel-border));
  background: linear-gradient(
    130deg,
    color-mix(in srgb, var(--official-accent) 70%, var(--p-content-background)),
    var(--p-content-background)
  );
  border-radius: 5px;
  min-height: 285px;
  position: relative;
  overflow: hidden;
}
.official-infra-world {
  opacity: 0.55;
  place-items: center;
  display: grid;
  position: absolute;
  inset: 0;
}
.official-infra-world:after,
.official-infra-world:before {
  content: "";
  border: 1px solid color-mix(in srgb, var(--official-primary) 28%, transparent);
  border-radius: 50%;
  width: 205px;
  height: 205px;
  position: absolute;
}
.official-infra-world:after {
  width: 270px;
  height: 120px;
  transform: rotate(-27deg);
}
.official-infra-world span {
  background: var(--official-primary);
  width: 6px;
  height: 6px;
  box-shadow: 0 0 0 5px
    color-mix(in srgb, var(--official-primary) 13%, transparent);
  border-radius: 50%;
  position: absolute;
}
.official-infra-world span:first-child {
  top: 28%;
  left: 30%;
}
.official-infra-world span:nth-child(2) {
  top: 40%;
  right: 21%;
}
.official-infra-world span:nth-child(3) {
  bottom: 20%;
  left: 49%;
}
.official-infra-world span:nth-child(4) {
  bottom: 33%;
  left: 22%;
}
.official-infra-world span:nth-child(5) {
  top: 19%;
  right: 39%;
}
.official-infra-card {
  width: min(320px, 74%);
  padding: 15px;
  position: absolute;
  top: 22px;
  right: 22px;
}
.official-infra-card-kicker {
  color: var(--official-primary);
  letter-spacing: 0.09em;
  font-size: 0.72rem;
  font-weight: 600;
  display: block;
}
.official-infra-card > strong {
  color: var(--p-text-color);
  margin-top: 7px;
  font-size: 0.98rem;
  display: block;
}
.official-infra-card > p {
  color: var(--p-text-muted-color);
  margin: 4px 0 14px;
  font-size: 0.78rem;
}
.official-resource-row {
  color: var(--p-text-muted-color);
  grid-template-columns: 86px minmax(40px, 1fr) auto;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 0.77rem;
  display: grid;
}
.official-resource-track {
  background: color-mix(
    in srgb,
    var(--official-primary) 10%,
    var(--console-panel-border)
  );
  border-radius: 5px;
  height: 5px;
  overflow: hidden;
}
.official-resource-track i {
  border-radius: inherit;
  background: var(--official-primary);
  height: 100%;
  display: block;
}
.official-resource-row b {
  color: var(--p-text-color);
  white-space: nowrap;
  font-size: 0.74rem;
  font-weight: 500;
}
.official-reviews-head {
  justify-content: flex-start;
}
.official-review-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  display: grid;
}
.official-review-card {
  min-height: 190px;
  padding: 18px;
}
.official-review-mark {
  color: var(--official-primary);
  font-size: 2rem;
  font-weight: 700;
  line-height: 0.9;
}
.official-review-card > p {
  min-height: 52px;
  color: var(--p-text-color);
  margin: 10px 0 18px;
  font-size: 0.92rem;
  line-height: 1.65;
}
.official-review-person {
  border-top: 1px solid var(--console-panel-border);
  align-items: center;
  gap: 10px;
  padding-top: 13px;
  display: flex;
}
.official-review-avatar,
.official-review-person img {
  -o-object-fit: cover;
  object-fit: cover;
  background: color-mix(
    in srgb,
    var(--official-primary) 11%,
    var(--p-content-background)
  );
  width: 34px;
  height: 34px;
  color: var(--official-primary);
  border-radius: 50%;
  place-items: center;
  display: grid;
}
.official-review-person div {
  flex-direction: column;
  gap: 2px;
  display: flex;
}
.official-review-person strong {
  color: var(--p-text-color);
  font-size: 0.83rem;
  font-weight: 600;
}
.official-review-person small {
  color: var(--p-text-muted-color);
  font-size: 0.75rem;
}
.official-contact-section {
  margin-top: 50px;
}
.official-contact-panel {
  border-left: 3px solid var(--official-primary);
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding: 25px;
  display: flex;
}
.official-contact-panel > div:first-child {
  max-width: 670px;
}
.official-contact-actions {
  flex-shrink: 0;
  justify-content: flex-end;
}
/* 官网联系信息和页脚链接区域，与会员控制台页脚分别维护。 */
.official-footer {
  border-top: 1px solid var(--console-panel-border);
  background: var(--p-content-background);
}
.official-footer-main {
  grid-template-columns: 1.15fr 1.4fr 0.9fr;
  gap: 42px;
  width: min(1200px, 100% - 36px);
  margin: 0 auto;
  padding: 35px 0 28px;
  display: grid;
}
.official-footer-brand > p {
  max-width: 300px;
  color: var(--p-text-muted-color);
  margin: 15px 0 0;
  font-size: 0.83rem;
  line-height: 1.65;
}
.official-footer-groups {
  flex-wrap: wrap;
  gap: 30px;
  display: flex;
}
.official-footer-contact,
.official-footer-group {
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  display: flex;
}
.official-footer-contact h2,
.official-footer-group h2 {
  color: var(--p-text-color);
  margin: 2px 0 4px;
  font-size: 0.88rem;
  font-weight: 600;
}
.official-footer-contact a,
.official-footer-contact p,
.official-footer-group a {
  color: var(--p-text-muted-color);
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
}
.official-footer-contact a:hover,
.official-footer-group a:hover {
  color: var(--official-primary);
}
.official-footer-contact a,
.official-footer-contact p {
  align-items: flex-start;
  gap: 8px;
  display: flex;
}
.official-footer-contact i {
  color: var(--official-primary);
  margin-top: 2px;
  font-size: 0.78rem;
}
.official-footer-qr {
  color: var(--p-text-muted-color);
  align-items: center;
  gap: 10px;
  font-size: 0.76rem;
  display: flex;
}
.official-footer-qr img {
  border: 1px solid var(--console-panel-border);
  -o-object-fit: contain;
  object-fit: contain;
  border-radius: 4px;
  width: 56px;
  height: 56px;
}
.official-footer-bottom {
  border-top: 1px solid var(--console-panel-border);
  width: min(1200px, 100% - 36px);
  min-height: 50px;
  color: var(--p-text-muted-color);
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 0 auto;
  font-size: 0.76rem;
  display: flex;
}
.official-footer-bottom > div {
  gap: 17px;
  display: flex;
}
.official-footer-bottom a:hover {
  color: var(--official-primary);
}
/* 键盘操作的可见焦点：不要只保留鼠标 hover 效果而移除此反馈。 */
.official-site a:focus-visible,
.official-site button:focus-visible {
  outline: 2px solid var(--official-primary);
  outline-offset: 3px;
}
/* 视口条件 (width<=900px) 下的响应式覆盖；保留相对基础规则的层叠顺序。 */
@media (width<=900px) {
  .official-header-inner {
    gap: 18px;
  }
  .official-nav {
    gap: 15px;
  }
  .official-hero-top {
    gap: 35px;
  }
  .official-section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .official-section-badges {
    justify-content: flex-start;
  }
  .official-infra-panel {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .official-infra-stats {
    margin-top: 26px;
  }
  .official-footer-main {
    grid-template-columns: 1fr 1.3fr;
  }
  .official-footer-contact {
    grid-column: 2;
  }
}
/* 视口条件 (width<=680px) 下的响应式覆盖；保留相对基础规则的层叠顺序。 */
@media (width<=680px) {
  .official-footer-bottom,
  .official-footer-main,
  .official-header-inner,
  .official-main {
    width: min(100% - 24px, 560px);
  }
  .official-header-inner {
    justify-content: space-between;
    min-height: 58px;
  }
  .official-nav {
    display: none;
  }
  .official-header-login {
    padding: 8px 9px;
    font-size: 0.8rem;
  }
  .official-menu-toggle {
    place-items: center;
    display: inline-grid;
  }
  .official-mobile-nav {
    border-top: 1px solid var(--console-panel-border);
    background: var(--p-content-background);
    gap: 0;
    padding: 4px 12px 12px;
    display: grid;
  }
  .official-mobile-nav a {
    border-bottom: 1px solid var(--console-panel-border);
    padding: 11px 7px;
  }
  .official-page {
    padding: 20px 0 38px;
  }
  .official-hero-top {
    grid-template-columns: 1fr;
    gap: 19px;
    padding: 17px 0 20px;
  }
  .official-hero-heading h1 {
    margin-top: 16px;
    font-size: clamp(2rem, 8.5vw, 2.8rem);
  }
  .official-hero-intro > p {
    margin-bottom: 13px;
    font-size: 0.92rem;
  }
  .official-hero-features {
    margin-bottom: 16px;
  }
  .official-hero-visual {
    min-height: 270px;
  }
  .official-hero-stat {
    width: min(236px, 58%);
    min-height: 187px;
    padding: 14px;
    top: 16px;
    right: 14px;
  }
  .official-stat-value {
    margin-top: 13px;
    font-size: 1.55rem;
  }
  .official-floating-label {
    max-width: 48%;
    font-size: 0.76rem;
    bottom: 17px;
    left: 12px;
  }
  .official-art-caption {
    text-align: right;
    max-width: 49%;
    font-size: 0.73rem;
    bottom: 19px;
    left: auto;
    right: 14px;
  }
  .official-section {
    margin-top: 38px;
  }
  .official-product-grid {
    grid-template-columns: 1fr;
  }
  .official-product-card {
    min-height: 0;
  }
  .official-product-description {
    min-height: auto;
  }
  .official-infra-panel {
    padding: 16px;
  }
  .official-infra-visual {
    min-height: 265px;
  }
  .official-infra-card {
    width: min(310px, 82%);
    padding: 13px;
    top: 14px;
    right: 12px;
  }
  .official-infra-stats {
    gap: 18px;
  }
  .official-review-grid {
    grid-template-columns: 1fr;
  }
  .official-contact-panel {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 18px;
  }
  .official-contact-actions {
    justify-content: flex-start;
  }
  .official-footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 23px 15px;
    padding: 26px 0 21px;
  }
  .official-footer-brand {
    grid-column: 1/-1;
  }
  .official-footer-brand > p {
    max-width: 460px;
  }
  .official-footer-groups {
    grid-column: 1/-1;
    gap: 26px;
  }
  .official-footer-contact {
    grid-column: 1/-1;
  }
  .official-footer-bottom {
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 12px 0;
  }
}
/* 尊重减少动态效果偏好：保留状态信息，降低或取消非必要动画。 */
@media (prefers-reduced-motion: reduce) {
  .official-site *,
  .official-site :after,
  .official-site :before {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}