:root {
  --color-primary: #0b4fd6;
  --color-primary-dark: #073aa4;
  --color-primary-soft: #eaf1ff;
  --color-cyan: #16a6c9;
  --color-navy: #081f42;
  --color-navy-2: #0b2a56;
  --color-ink: #10233f;
  --color-text: #42526b;
  --color-muted: #6d7b90;
  --color-line: #dfe7f2;
  --color-surface: #ffffff;
  --color-surface-soft: #f5f8fc;
  --color-success: #16835b;
  --color-success-soft: #e8f7f1;
  --color-warning: #a66108;
  --color-warning-soft: #fff5df;
  --color-danger: #ba3131;
  --color-danger-soft: #fff0f0;
  --shadow-sm: 0 12px 32px rgba(27, 55, 95, 0.08);
  --shadow-lg: 0 30px 80px rgba(15, 46, 91, 0.16);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --container: 1180px;
  --header-height: 76px;
  --font-sans:
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body,
button,
input {
  font-family: var(--font-sans);
}

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

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

:focus-visible {
  outline: 3px solid rgba(11, 79, 214, 0.34);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 12px;
  z-index: 999;
  padding: 9px 14px;
  color: #fff;
  background: var(--color-navy);
  border-radius: 8px;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.icon {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.93);
  border-bottom: 1px solid rgba(218, 229, 243, 0.76);
  backdrop-filter: blur(18px);
  transition:
    box-shadow 0.25s ease,
    background 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 26px rgba(25, 47, 82, 0.09);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand-logo {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  color: var(--color-ink);
  font-size: 19px;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--color-muted);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #354967;
  font-size: 14px;
  font-weight: 600;
}

.site-nav > a {
  position: relative;
  transition: color 0.2s ease;
}

.site-nav > a:not(.nav-action)::after {
  position: absolute;
  right: 50%;
  bottom: -9px;
  left: 50%;
  height: 2px;
  content: "";
  background: var(--color-primary);
  border-radius: 2px;
  transition:
    right 0.2s ease,
    left 0.2s ease;
}

.site-nav > a:hover {
  color: var(--color-primary);
}

.site-nav > a:not(.nav-action):hover::after {
  right: 0;
  left: 0;
}

.nav-action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 17px;
  color: #fff;
  background: var(--color-primary);
  border-radius: 9px;
  box-shadow: 0 8px 18px rgba(11, 79, 214, 0.2);
}

.nav-action:hover {
  color: #fff !important;
  background: var(--color-primary-dark);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: 0;
  border-radius: 8px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px 0;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform 0.2s ease;
}

.hero {
  position: relative;
  min-height: 720px;
  padding: calc(var(--header-height) + 76px) 0 74px;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 14%, rgba(26, 158, 205, 0.15), transparent 28%),
    linear-gradient(135deg, #f7faff 0%, #ffffff 48%, #edf4ff 100%);
}

.hero::before {
  position: absolute;
  top: 96px;
  right: -240px;
  width: 620px;
  height: 620px;
  content: "";
  border: 1px solid rgba(11, 79, 214, 0.09);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(11, 79, 214, 0.025),
    0 0 0 140px rgba(11, 79, 214, 0.018);
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.33;
  background-image:
    linear-gradient(rgba(28, 77, 145, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 77, 145, 0.04) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(430px, 0.98fr);
  gap: 74px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 700;
  background: rgba(234, 241, 255, 0.9);
  border: 1px solid #d6e4ff;
  border-radius: 999px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  background: var(--color-cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(22, 166, 201, 0.13);
}

.hero h1 {
  margin: 24px 0 22px;
  color: var(--color-ink);
  font-size: clamp(42px, 4.5vw, 58px);
  font-weight: 780;
  line-height: 1.16;
  letter-spacing: -0.045em;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero-lead {
  max-width: 650px;
  margin: 0;
  color: #52647d;
  font-size: 18px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  border-radius: 10px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: var(--color-primary);
  box-shadow: 0 12px 26px rgba(11, 79, 214, 0.23);
}

.button-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 16px 30px rgba(11, 79, 214, 0.27);
}

.button-secondary {
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.82);
  border-color: #cfdbea;
}

.button-secondary:hover {
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.trust-points {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 0;
  margin: 32px 0 0;
  color: #52647d;
  font-size: 13px;
  list-style: none;
}

.trust-points li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.trust-points .icon {
  color: var(--color-success);
  font-size: 18px;
}

.hero-service-panel {
  position: relative;
}

.query-card {
  position: relative;
  z-index: 4;
  padding: 28px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(207, 220, 238, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.query-card::before {
  position: absolute;
  top: 0;
  right: 28px;
  left: 28px;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--color-primary), var(--color-cyan));
  border-radius: 0 0 3px 3px;
}

.query-card-heading {
  display: flex;
  align-items: center;
  gap: 15px;
}

.query-icon {
  display: grid;
  flex: 0 0 auto;
  width: 50px;
  height: 50px;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 14px;
  place-items: center;
}

.query-icon .icon {
  font-size: 27px;
}

.section-kicker {
  margin: 0 0 7px;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.16em;
}

.query-card h2 {
  margin: 0;
  color: var(--color-ink);
  font-size: 25px;
  line-height: 1.3;
}

.query-description {
  margin: 18px 0 20px;
  color: var(--color-text);
  font-size: 14px;
}

.query-form > label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 700;
}

.query-field {
  position: relative;
  display: flex;
  align-items: center;
}

.field-icon {
  position: absolute;
  left: 15px;
  z-index: 1;
  color: #76879e;
  font-size: 20px;
}

.query-field input {
  width: 100%;
  height: 52px;
  padding: 0 76px 0 46px;
  color: var(--color-ink);
  font-size: 16px;
  letter-spacing: 0.035em;
  background: #f9fbfe;
  border: 1px solid #cfdbea;
  border-radius: 10px;
  outline: none;
  transition:
    border 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.query-field input:focus {
  background: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(11, 79, 214, 0.1);
}

.query-field input[aria-invalid="true"] {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 4px rgba(186, 49, 49, 0.09);
}

.paste-button {
  position: absolute;
  right: 8px;
  height: 36px;
  padding: 0 11px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  background: var(--color-primary-soft);
  border: 0;
  border-radius: 7px;
}

.paste-button:hover {
  background: #dce8ff;
}

.field-help,
.field-error {
  min-height: 20px;
  margin: 6px 0 0;
  font-size: 12px;
}

.field-help {
  color: var(--color-muted);
}

.field-error {
  min-height: 0;
  color: var(--color-danger);
}

.field-error:not(:empty) {
  margin-top: 3px;
}

.query-submit {
  width: 100%;
  height: 50px;
  margin-top: 17px;
  color: #fff;
  font-weight: 750;
  background: var(--color-primary);
  border: 0;
  border-radius: 10px;
  box-shadow: 0 10px 22px rgba(11, 79, 214, 0.2);
  transition:
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.query-submit:hover:not(:disabled) {
  background: var(--color-primary-dark);
  box-shadow: 0 13px 28px rgba(11, 79, 214, 0.25);
}

.query-submit:disabled {
  opacity: 0.76;
}

.button-loading {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 9px;
}

.query-submit.is-loading .button-label {
  display: none;
}

.query-submit.is-loading .button-loading {
  display: inline-flex;
}

.spinner {
  width: 17px;
  height: 17px;
  border: 2px solid rgba(255, 255, 255, 0.48);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.query-security-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 17px;
  color: #6b7b91;
  font-size: 12px;
}

.query-security-note .icon {
  flex: 0 0 auto;
  margin-top: 3px;
  color: var(--color-success);
  font-size: 15px;
}

.result-label {
  margin: 0 0 3px;
  color: var(--color-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.hero-visual {
  position: relative;
  z-index: 1;
  width: calc(100% + 36px);
  margin: -26px -18px 0;
  opacity: 0.97;
}

.hero-visual img {
  width: 100%;
  filter: drop-shadow(0 18px 28px rgba(20, 66, 129, 0.09));
}

.service-assurance {
  position: relative;
  z-index: 5;
  background: var(--color-navy);
}

.assurance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 104px;
}

.assurance-grid > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.assurance-grid > div:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.assurance-grid strong {
  color: #fff;
  font-size: 16px;
}

.assurance-grid span {
  margin-top: 4px;
  color: #adbed8;
  font-size: 12px;
}

.section {
  padding: 104px 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 45px;
}

.section-heading h2,
.guide-copy h2,
.integration-copy h2,
.about-copy h2 {
  margin: 0;
  color: var(--color-ink);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 760;
  line-height: 1.28;
  letter-spacing: -0.03em;
}

.section-heading > p {
  max-width: 530px;
  margin: 0 0 5px;
  color: var(--color-muted);
}

.section-heading.centered {
  display: block;
  max-width: 700px;
  margin-right: auto;
  margin-bottom: 50px;
  margin-left: auto;
  text-align: center;
}

.section-heading.centered > p {
  margin: 14px auto 0;
}

.capabilities {
  background: #fff;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.capability-card {
  position: relative;
  min-height: 390px;
  padding: 28px 24px 25px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.capability-card:hover {
  border-color: #b8ccee;
  box-shadow: var(--shadow-sm);
  transform: translateY(-5px);
}

.capability-card::after {
  position: absolute;
  right: -35px;
  bottom: -45px;
  width: 130px;
  height: 130px;
  content: "";
  background: var(--color-primary-soft);
  border-radius: 50%;
  opacity: 0.58;
}

.card-number {
  position: absolute;
  top: 21px;
  right: 22px;
  color: #c7d5ea;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.card-icon {
  display: grid;
  width: 52px;
  height: 52px;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 14px;
  place-items: center;
}

.card-icon .icon {
  font-size: 27px;
}

.capability-card h3 {
  margin: 23px 0 10px;
  color: var(--color-ink);
  font-size: 20px;
}

.capability-card > p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.capability-card ul {
  position: relative;
  z-index: 1;
  padding: 17px 0 0;
  margin: 18px 0 0;
  border-top: 1px solid #ebf0f6;
  list-style: none;
}

.capability-card li {
  position: relative;
  padding-left: 16px;
  margin: 7px 0;
  color: #4c5f78;
  font-size: 13px;
}

.capability-card li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  content: "";
  background: var(--color-cyan);
  border-radius: 50%;
}

.process-section {
  background: var(--color-surface-soft);
}

.process-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.process-list::before {
  position: absolute;
  top: 51px;
  right: 11%;
  left: 11%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, #b7c9e5, var(--color-primary), #b7c9e5);
}

.process-item {
  position: relative;
  z-index: 1;
  text-align: center;
}

.process-index {
  position: absolute;
  top: -6px;
  left: calc(50% + 28px);
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 800;
}

.process-icon {
  display: grid;
  width: 102px;
  height: 102px;
  margin: 0 auto;
  color: var(--color-primary);
  background: #fff;
  border: 1px solid #d9e4f4;
  border-radius: 50%;
  box-shadow: 0 12px 30px rgba(30, 60, 102, 0.09);
  place-items: center;
}

.process-icon .icon {
  font-size: 34px;
}

.process-item h3 {
  margin: 22px 0 8px;
  color: var(--color-ink);
  font-size: 18px;
}

.process-item p {
  margin: 0 auto;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.75;
}

.query-guide {
  background: #fff;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 90px;
  align-items: center;
}

.guide-copy > p:not(.section-kicker) {
  margin: 20px 0 25px;
  color: var(--color-muted);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 750;
}

.text-link .icon {
  transition: transform 0.2s ease;
}

.text-link:hover .icon {
  transform: translateX(4px);
}

.guide-cards {
  display: grid;
  gap: 13px;
}

.guide-card {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  align-items: start;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.status-symbol {
  display: grid;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  place-items: center;
}

.status-symbol .icon {
  font-size: 23px;
}

.guide-valid .status-symbol {
  color: var(--color-success);
  background: var(--color-success-soft);
}

.guide-warning .status-symbol {
  color: var(--color-warning);
  background: var(--color-warning-soft);
}

.guide-danger .status-symbol {
  color: var(--color-danger);
  background: var(--color-danger-soft);
}

.guide-card h3 {
  margin: 0 0 5px;
  color: var(--color-ink);
  font-size: 17px;
}

.guide-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.integration-section {
  position: relative;
  padding: 96px 0;
  overflow: hidden;
  color: #d7e3f5;
  background:
    radial-gradient(circle at 82% 20%, rgba(30, 154, 198, 0.18), transparent 28%),
    var(--color-navy);
}

.integration-section::after {
  position: absolute;
  right: -150px;
  bottom: -320px;
  width: 580px;
  height: 580px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(255, 255, 255, 0.02),
    0 0 0 140px rgba(255, 255, 255, 0.015);
}

.integration-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1.1fr);
  gap: 80px;
  align-items: center;
}

.section-kicker.light {
  color: #6fd8eb;
}

.integration-copy h2 {
  color: #fff;
}

.integration-copy > p {
  max-width: 540px;
  margin: 22px 0 0;
  color: #b9c9df;
}

.integration-note {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 13px;
  margin-top: 22px;
  color: #d8e8f8;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9px;
}

.integration-note .icon {
  color: #6fd8eb;
}

.integration-options {
  display: grid;
  grid-template-columns: 1fr 42px 1fr;
  gap: 10px;
  align-items: stretch;
}

.integration-options article {
  padding: 25px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
}

.integration-options article > span {
  display: inline-flex;
  padding: 4px 9px;
  color: #8de2f0;
  font-size: 11px;
  font-weight: 750;
  background: rgba(61, 197, 222, 0.12);
  border-radius: 999px;
}

.integration-options h3 {
  margin: 18px 0 8px;
  color: #fff;
  font-size: 18px;
}

.integration-options p {
  margin: 0;
  color: #afc0d8;
  font-size: 13px;
}

.option-divider {
  display: grid;
  place-items: center;
}

.option-divider span {
  display: grid;
  width: 32px;
  height: 32px;
  color: #95a8c2;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  place-items: center;
}

.about-section {
  background: #fff;
}

.about-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 72px;
  align-items: center;
  max-width: 970px;
}

.about-mark {
  position: relative;
  display: grid;
  width: 270px;
  height: 270px;
  background:
    linear-gradient(135deg, rgba(234, 241, 255, 0.96), rgba(245, 251, 255, 0.96));
  border: 1px solid #dce7f5;
  border-radius: 50%;
  place-items: center;
}

.about-mark::before,
.about-mark::after {
  position: absolute;
  content: "";
  border: 1px dashed #c7d7ed;
  border-radius: 50%;
}

.about-mark::before {
  inset: 20px;
}

.about-mark::after {
  inset: -15px;
}

.about-mark img {
  width: 150px;
  height: 150px;
  object-fit: contain;
}

.about-copy > p:not(.section-kicker) {
  margin: 16px 0 0;
  color: var(--color-muted);
}

.about-domain {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  padding: 10px 14px;
  margin-top: 24px;
  background: var(--color-primary-soft);
  border-radius: 9px;
}

.about-domain span {
  color: var(--color-muted);
  font-size: 12px;
}

.about-domain strong {
  color: var(--color-primary);
  font-size: 17px;
}

.site-footer {
  color: #adbed4;
  background: #061831;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 80px;
  padding-top: 54px;
  padding-bottom: 44px;
}

.brand-footer .brand-copy strong {
  color: #fff;
}

.brand-footer .brand-copy small {
  color: #91a6c2;
}

.footer-brand > p {
  max-width: 480px;
  margin: 18px 0 0;
  color: #8298b5;
  font-size: 12px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 1fr));
  gap: 42px;
}

.footer-links > div {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-links strong {
  margin-bottom: 5px;
  color: #fff;
  font-size: 13px;
}

.footer-links a {
  color: #8ea3be;
  font-size: 12px;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  font-size: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a:hover {
  color: #fff;
}

.reveal {
  opacity: 1;
  transform: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1080px) {
  .site-nav {
    gap: 19px;
  }

  .hero-layout {
    gap: 42px;
  }

  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .capability-card {
    min-height: auto;
  }

  .integration-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 68px;
  }

  .brand-copy small {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 20px;
    left: 20px;
    display: none;
    align-items: stretch;
    padding: 14px;
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 0 0 14px 14px;
    box-shadow: var(--shadow-lg);
  }

  .site-nav.is-open {
    display: grid;
    gap: 4px;
  }

  .site-nav a {
    padding: 10px 12px;
    border-radius: 8px;
  }

  .site-nav > a:not(.nav-action)::after {
    display: none;
  }

  .nav-action {
    margin-top: 4px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 52px);
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero h1 {
    font-size: clamp(40px, 8vw, 58px);
  }

  .hero-service-panel {
    max-width: 680px;
  }

  .assurance-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .assurance-grid > div:nth-child(3) {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .assurance-grid > div:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .section-heading {
    display: block;
  }

  .section-heading > p {
    margin-top: 15px;
  }

  .process-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 44px 30px;
  }

  .process-list::before {
    display: none;
  }

  .guide-layout {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .about-layout {
    grid-template-columns: 220px 1fr;
    gap: 48px;
  }

  .about-mark {
    width: 210px;
    height: 210px;
  }

  .about-mark img {
    width: 120px;
    height: 120px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 38px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand-logo {
    width: 39px;
    height: 39px;
  }

  .brand-copy strong {
    font-size: 17px;
  }

  .site-nav {
    right: 14px;
    left: 14px;
  }

  .hero {
    min-height: 0;
    padding-bottom: 45px;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: 39px;
    letter-spacing: -0.04em;
  }

  .hero-lead {
    font-size: 16px;
    line-height: 1.75;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .trust-points {
    display: grid;
    gap: 9px;
  }

  .query-card {
    padding: 24px 18px 20px;
    border-radius: 18px;
  }

  .query-card h2 {
    font-size: 22px;
  }

  .hero-visual {
    width: calc(100% + 12px);
    margin-right: -6px;
    margin-left: -6px;
  }

  .assurance-grid {
    grid-template-columns: 1fr;
    padding: 10px 0;
  }

  .assurance-grid > div {
    padding: 14px 6px;
    border: 0 !important;
  }

  .section {
    padding: 76px 0;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .process-list {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .process-item {
    display: grid;
    grid-template-columns: 74px 1fr;
    column-gap: 18px;
    text-align: left;
  }

  .process-icon {
    grid-row: 1 / 4;
    width: 74px;
    height: 74px;
    margin: 0;
  }

  .process-icon .icon {
    font-size: 27px;
  }

  .process-index {
    top: -7px;
    left: 52px;
  }

  .process-item h3 {
    margin: 4px 0;
  }

  .guide-card {
    grid-template-columns: 40px 1fr;
    gap: 13px;
    padding: 18px;
  }

  .status-symbol {
    width: 40px;
    height: 40px;
  }

  .integration-section {
    padding: 76px 0;
  }

  .integration-options {
    grid-template-columns: 1fr;
  }

  .option-divider {
    min-height: 28px;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .about-mark {
    width: 190px;
    height: 190px;
    margin-inline: auto;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 3px;
    min-height: 82px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

}

/* 独立防伪查询页 */
.query-page {
  min-height: 100vh;
  background: var(--color-surface-soft);
}

.query-page-hero {
  position: relative;
  padding: calc(var(--header-height) + 42px) 0 48px;
  overflow: hidden;
  color: #d8e6f8;
  background:
    radial-gradient(circle at 82% 18%, rgba(30, 175, 205, 0.22), transparent 30%),
    linear-gradient(135deg, #071a38 0%, #0a2c5f 58%, #0b4b8a 100%);
}

.query-page-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(90deg, transparent, #000 42%, #000);
}

.query-page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 25px;
  color: #99b1d0;
  font-size: 13px;
}

.breadcrumb a {
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: #fff;
}

.query-page-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
}

.query-page-heading .section-kicker {
  color: #6ed7eb;
}

.query-page-heading h1 {
  margin: 5px 0 9px;
  color: #fff;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.query-page-heading > div:first-child > p:last-child {
  max-width: 650px;
  margin: 0;
  color: #b7cae2;
}

.query-page-trust {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 13px;
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 13px;
  backdrop-filter: blur(8px);
}

.query-page-trust > .icon {
  width: 31px;
  height: 31px;
  color: #63d5e9;
}

.query-page-trust > span {
  display: grid;
}

.query-page-trust strong {
  color: #fff;
  font-size: 14px;
}

.query-page-trust small {
  margin-top: 2px;
  color: #9fb5d1;
  font-size: 11px;
}

.query-page-content {
  position: relative;
  padding: 52px 0 66px;
}

.query-workspace {
  display: grid;
  grid-template-columns: minmax(310px, 360px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.query-search-column {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  display: grid;
  gap: 18px;
}

.query-search-card,
.demo-switcher,
.query-empty-state,
.query-loading-state,
.query-detail-result {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
}

.query-search-card {
  padding: 26px;
}

.query-search-heading {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid #e9eef5;
}

.query-search-heading .query-icon {
  width: 45px;
  height: 45px;
  border-radius: 12px;
}

.query-search-heading h2 {
  margin: 0;
  color: var(--color-ink);
  font-size: 21px;
  line-height: 1.3;
}

.query-search-card .query-submit .button-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.query-search-card .query-submit .button-label .icon {
  font-size: 18px;
}

.query-search-card .query-submit.is-loading .button-label {
  display: none;
}

.demo-switcher {
  padding: 20px;
  border-style: dashed;
  box-shadow: none;
}

.demo-switcher[hidden] {
  display: none;
}

.demo-switcher-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 14px;
}

.demo-switcher-heading > div {
  display: grid;
}

.demo-switcher-heading span {
  width: max-content;
  padding: 3px 7px;
  color: #7e570a;
  font-size: 10px;
  font-weight: 800;
  background: var(--color-warning-soft);
  border-radius: 5px;
}

.demo-switcher-heading strong {
  margin-top: 7px;
  color: var(--color-ink);
  font-size: 14px;
}

.demo-switcher-heading small {
  color: var(--color-muted);
  font-size: 10px;
}

.demo-status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.demo-status-grid button {
  min-height: 36px;
  padding: 7px 9px;
  color: #4b5f78;
  font-size: 12px;
  font-weight: 650;
  background: #f7f9fc;
  border: 1px solid #e3e9f2;
  border-radius: 8px;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.demo-status-grid button:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-color: #bdd0f3;
}

.query-result-column {
  min-width: 0;
}

.query-empty-state,
.query-loading-state {
  display: grid;
  min-height: 590px;
  padding: 55px;
  text-align: center;
  place-content: center;
  justify-items: center;
}

.query-empty-state[hidden],
.query-loading-state[hidden],
.query-detail-result[hidden] {
  display: none;
}

.empty-state-icon {
  display: grid;
  width: 84px;
  height: 84px;
  color: #6580a8;
  background:
    radial-gradient(circle, #edf3fc 0 54%, transparent 55%),
    var(--color-primary-soft);
  border: 1px solid #d8e4f5;
  border-radius: 24px;
  place-items: center;
  transform: rotate(-4deg);
}

.empty-state-icon .icon {
  width: 40px;
  height: 40px;
}

.query-empty-state h2,
.query-loading-state h2 {
  margin: 24px 0 9px;
  color: var(--color-ink);
  font-size: 25px;
}

.query-empty-state > p,
.query-loading-state > p:not(.section-kicker) {
  max-width: 450px;
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.query-empty-state ul {
  display: flex;
  gap: 22px;
  padding: 20px 0 0;
  margin: 24px 0 0;
  color: #61728a;
  font-size: 12px;
  border-top: 1px solid #e7edf5;
  list-style: none;
}

.query-empty-state li {
  position: relative;
  padding-left: 12px;
}

.query-empty-state li::before {
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 4px;
  height: 4px;
  content: "";
  background: var(--color-cyan);
  border-radius: 50%;
}

.query-loading-state .section-kicker {
  margin-top: 24px;
}

.query-loading-state h2 {
  margin-top: 6px;
}

.query-loading-orbit {
  position: relative;
  display: grid;
  width: 94px;
  height: 94px;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 50%;
  place-items: center;
}

.query-loading-orbit .icon {
  width: 38px;
  height: 38px;
}

.query-loading-orbit::before,
.query-loading-orbit span {
  position: absolute;
  inset: -8px;
  content: "";
  border: 2px solid transparent;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
}

.query-loading-orbit span {
  inset: -15px;
  border-top-color: transparent;
  border-right-color: var(--color-cyan);
  animation-duration: 1.8s;
  animation-direction: reverse;
}

.query-loading-track {
  width: min(320px, 80%);
  height: 5px;
  margin-top: 30px;
  overflow: hidden;
  background: #e7edf6;
  border-radius: 999px;
}

.query-loading-track span {
  display: block;
  width: 42%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-cyan));
  border-radius: inherit;
  animation: query-loading-slide 1.2s ease-in-out infinite;
}

@keyframes query-loading-slide {
  0% {
    transform: translateX(-110%);
  }
  100% {
    transform: translateX(345%);
  }
}

.query-detail-result {
  position: relative;
  min-height: 590px;
  padding: 34px;
  overflow: hidden;
  outline: none;
}

.result-status-bar {
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: var(--color-primary);
}

.result-summary {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 19px;
  padding-bottom: 28px;
  border-bottom: 1px solid #e8eef6;
}

.result-hero-icon {
  display: grid;
  width: 62px;
  height: 62px;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 17px;
  place-items: center;
}

.result-hero-icon .icon {
  width: 32px;
  height: 32px;
}

.result-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.result-meta-row .result-label {
  margin: 0;
}

.simulation-badge {
  padding: 3px 7px;
  color: #815707;
  font-size: 10px;
  font-weight: 800;
  line-height: 1.4;
  background: var(--color-warning-soft);
  border-radius: 5px;
}

.simulation-badge[hidden] {
  display: none;
}

.result-summary h2 {
  margin: 7px 0 8px;
  color: var(--color-ink);
  font-size: clamp(24px, 3vw, 31px);
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.result-summary-copy > p:last-child {
  max-width: 720px;
  margin: 0;
  color: #5a6b82;
  font-size: 14px;
}

.result-code-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  margin-top: 24px;
  background: #f7f9fc;
  border: 1px solid #e4eaf2;
  border-radius: 11px;
}

.result-code-panel > span {
  color: var(--color-muted);
  font-size: 12px;
}

.result-code-panel strong {
  min-width: 0;
  overflow: hidden;
  color: var(--color-ink);
  font-size: 15px;
  letter-spacing: 0.055em;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-code-panel button {
  padding: 5px 9px;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  background: #fff;
  border: 1px solid #cfdbed;
  border-radius: 6px;
}

.query-result-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 0;
}

.query-result-facts:empty {
  display: none;
}

.query-result-facts div {
  min-width: 0;
  padding: 14px 15px;
  background: #fff;
  border: 1px solid #e5ebf3;
  border-radius: 10px;
}

.query-result-facts div.is-emphasis {
  background: #fff9ed;
  border-color: #f0d9aa;
}

.query-result-facts dt {
  color: var(--color-muted);
  font-size: 11px;
}

.query-result-facts dd {
  margin: 5px 0 0;
  overflow: hidden;
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 720;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-guidance {
  padding: 20px 22px;
  margin-top: 22px;
  background: #f6f9fd;
  border-radius: 12px;
}

.result-guidance-title {
  display: flex;
  align-items: center;
  gap: 9px;
}

.result-guidance-title .icon {
  color: var(--color-primary);
  font-size: 18px;
}

.result-guidance h3 {
  margin: 0;
  color: var(--color-ink);
  font-size: 15px;
}

.result-guidance ul {
  display: grid;
  gap: 7px;
  padding: 0;
  margin: 13px 0 0;
  color: #53657d;
  font-size: 13px;
  list-style: none;
}

.result-guidance li {
  position: relative;
  padding-left: 17px;
}

.result-guidance li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  content: "";
  background: var(--color-primary);
  border-radius: 50%;
}

.result-footer-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  margin-top: 22px;
  color: var(--color-muted);
  font-size: 11px;
  border-top: 1px solid #e8eef6;
}

.result-footer-note > span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.result-footer-note .icon {
  font-size: 14px;
}

.result-tone-valid {
  border-color: #b9e2d3;
}

.result-tone-valid .result-status-bar {
  background: linear-gradient(90deg, var(--color-success), #28af7c);
}

.result-tone-valid .result-hero-icon {
  color: var(--color-success);
  background: var(--color-success-soft);
}

.result-tone-valid .result-guidance li::before {
  background: var(--color-success);
}

.result-tone-warning {
  border-color: #efd59d;
}

.result-tone-warning .result-status-bar {
  background: linear-gradient(90deg, #b16a09, #e6a72e);
}

.result-tone-warning .result-hero-icon {
  color: var(--color-warning);
  background: var(--color-warning-soft);
}

.result-tone-warning .result-guidance li::before {
  background: var(--color-warning);
}

.result-tone-danger {
  border-color: #edc1c1;
}

.result-tone-danger .result-status-bar {
  background: linear-gradient(90deg, #aa2929, #df5b5b);
}

.result-tone-danger .result-hero-icon {
  color: var(--color-danger);
  background: var(--color-danger-soft);
}

.result-tone-danger .result-guidance li::before {
  background: var(--color-danger);
}

.result-tone-info .result-hero-icon {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.query-help-section {
  padding: 0 0 70px;
  background: var(--color-surface-soft);
}

.query-help-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.query-help-grid article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 21px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 13px;
}

.query-help-grid article > span {
  display: grid;
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 10px;
  place-items: center;
}

.query-help-grid article > span .icon {
  width: 21px;
  height: 21px;
}

.query-help-grid h2 {
  margin: 0 0 4px;
  color: var(--color-ink);
  font-size: 15px;
}

.query-help-grid p {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
}

.query-footer-main {
  align-items: center;
}

.footer-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #d4e2f3;
  font-size: 13px;
  font-weight: 700;
}

.footer-back-link .icon {
  transform: rotate(180deg);
}

.footer-back-link:hover {
  color: #fff;
}

@media (max-width: 960px) {
  .query-page-heading {
    align-items: start;
  }

  .query-page-trust {
    display: none;
  }

  .query-workspace {
    grid-template-columns: 1fr;
  }

  .query-search-column {
    position: static;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  }

  .query-empty-state,
  .query-loading-state,
  .query-detail-result {
    min-height: 0;
  }

  .query-empty-state,
  .query-loading-state {
    padding-block: 72px;
  }

  .query-result-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .query-help-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .query-page-hero {
    padding-top: calc(var(--header-height) + 30px);
    padding-bottom: 36px;
  }

  .breadcrumb {
    margin-bottom: 17px;
  }

  .query-page-heading h1 {
    font-size: 34px;
  }

  .query-page-heading > div:first-child > p:last-child {
    font-size: 14px;
  }

  .query-page-content {
    padding: 28px 0 44px;
  }

  .query-search-column {
    grid-template-columns: 1fr;
  }

  .query-search-card,
  .query-detail-result {
    padding: 21px 18px;
    border-radius: 15px;
  }

  .query-empty-state,
  .query-loading-state {
    padding: 55px 20px;
    border-radius: 15px;
  }

  .query-empty-state ul {
    display: grid;
    gap: 7px;
    text-align: left;
  }

  .result-summary {
    grid-template-columns: 49px 1fr;
    gap: 13px;
  }

  .result-hero-icon {
    width: 48px;
    height: 48px;
    border-radius: 13px;
  }

  .result-hero-icon .icon {
    width: 26px;
    height: 26px;
  }

  .result-summary h2 {
    margin-top: 5px;
    font-size: 22px;
  }

  .result-code-panel {
    grid-template-columns: 1fr auto;
    gap: 7px 10px;
  }

  .result-code-panel > span {
    grid-column: 1 / -1;
  }

  .result-code-panel strong {
    text-align: left;
  }

  .query-result-facts {
    grid-template-columns: 1fr;
  }

  .result-footer-note {
    display: grid;
    gap: 4px;
  }

  .query-help-section {
    padding-bottom: 48px;
  }
}