:root {
  --ink: #102033;
  --muted: #5c6f86;
  --line: #dce6ef;
  --soft: #f4f8fb;
  --white: #ffffff;
  --blue: #1f66d1;
  --blue-dark: #164b9b;
  --teal: #10a6a2;
  --green: #17a56a;
  --gold: #d79922;
  --navy: #0c2442;
  --shadow: 0 22px 60px rgba(20, 58, 105, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  background: #ffffff;
  letter-spacing: 0;
}

body.modal-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.91);
  border-bottom: 1px solid rgba(220, 230, 239, 0.78);
  backdrop-filter: blur(14px);
}

.navbar {
  width: min(1220px, calc(100% - 32px));
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--navy);
  white-space: nowrap;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border-radius: 6px;
  color: #28435e;
  font-size: 15px;
  transition: 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  background: rgba(31, 102, 209, 0.08);
}

.nav-toggle {
  width: 42px;
  height: 42px;
  display: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.nav-toggle span {
  width: 19px;
  height: 2px;
  display: block;
  margin: 3px auto;
  background: var(--navy);
}

.section-band {
  position: relative;
  overflow: hidden;
}

.section {
  padding: 96px 0;
}

.section-muted {
  background:
    linear-gradient(180deg, rgba(244, 248, 251, 0.96), rgba(255, 255, 255, 0.98)),
    radial-gradient(circle at 12% 0%, rgba(16, 166, 162, 0.08), transparent 30%);
}

.section-dark {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(12, 36, 66, 0.97), rgba(17, 75, 124, 0.94)),
    url("assets/ppt-media/image36.png") center / cover;
}

.hero {
  min-height: 860px;
  padding: 150px 0 96px;
  background:
    linear-gradient(112deg, rgba(245, 250, 255, 0.98) 0%, rgba(245, 250, 255, 0.9) 48%, rgba(214, 238, 246, 0.92) 100%),
    url("assets/ppt-media/image1.jpeg") center / cover;
}

.hero-bg {
  position: absolute;
  inset: 76px 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(31, 102, 209, 0.42), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(460px, 560px);
  gap: 52px;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: var(--navy);
  font-size: 62px;
  line-height: 1.05;
  font-weight: 900;
}

.hero h1 span {
  display: block;
  color: var(--teal);
  font-size: 0.8em;
}

.hero-lead {
  max-width: 680px;
  margin: 24px 0 32px;
  color: #3b526a;
  font-size: 20px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--teal));
  box-shadow: 0 15px 28px rgba(31, 102, 209, 0.22);
}

.btn-ghost {
  color: var(--blue-dark);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(31, 102, 209, 0.22);
}

.btn-dark {
  color: var(--white);
  background: var(--navy);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 1fr));
  gap: 12px;
  max-width: 620px;
}

.metric-row div {
  min-height: 110px;
  padding: 18px;
  border: 1px solid rgba(31, 102, 209, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 34px rgba(20, 58, 105, 0.08);
}

.metric-row strong {
  color: var(--blue-dark);
  font-size: 32px;
  line-height: 1;
}

.metric-row span {
  margin-left: 2px;
  color: var(--teal);
  font-weight: 800;
}

.metric-row p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-panel {
  position: relative;
  z-index: 1;
}

.browser-frame {
  overflow: hidden;
  border: 1px solid rgba(31, 102, 209, 0.16);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.frame-bar {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  color: #6e8195;
  background: #f7fafc;
  border-bottom: 1px solid var(--line);
}

.frame-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d1dbe5;
}

.frame-bar span:first-child {
  background: #f36a5a;
}

.frame-bar span:nth-child(2) {
  background: #f0b344;
}

.frame-bar span:nth-child(3) {
  background: #37b277;
}

.frame-bar small {
  margin-left: auto;
  color: #71849a;
  font-size: 12px;
}

.screen-stack {
  position: relative;
  min-height: 370px;
  background: #eaf3fb;
}

.screen-stack img {
  width: 100%;
  height: 390px;
  object-fit: cover;
  object-position: center;
}

.product-console {
  background: #f6fbff;
}

.console-screen {
  min-height: 420px;
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(236, 249, 249, 0.94)),
    radial-gradient(circle at 76% 18%, rgba(31, 102, 209, 0.12), transparent 28%);
}

.console-sidebar {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 22px 14px;
  border-right: 1px solid rgba(220, 230, 239, 0.9);
  background: rgba(255, 255, 255, 0.68);
}

.console-sidebar img {
  width: 48px;
  height: 48px;
}

.console-sidebar b {
  color: var(--navy);
  font-size: 15px;
}

.console-sidebar span {
  min-height: 32px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 6px;
  color: #5f7287;
  font-size: 13px;
  font-weight: 700;
}

.console-sidebar .side-active {
  color: var(--blue-dark);
  background: rgba(31, 102, 209, 0.1);
}

.console-main {
  padding: 24px;
}

.console-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(16, 166, 162, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 34px rgba(12, 36, 66, 0.08);
}

.console-top p {
  margin: 0 0 7px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

.console-top strong {
  color: var(--navy);
  line-height: 1.55;
}

.console-top button {
  min-height: 38px;
  padding: 0 14px;
  border: 0;
  border-radius: 6px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--teal));
  font-weight: 800;
  white-space: nowrap;
}

.console-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.console-stats span {
  min-height: 74px;
  display: grid;
  align-content: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.86);
}

.console-stats b {
  color: var(--blue-dark);
  font-size: 28px;
  line-height: 1;
}

.console-flow {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.console-flow span {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 6px;
  color: #1b557d;
  background: #eaf6fb;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.console-flow i {
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, rgba(31, 102, 209, 0.16), rgba(16, 166, 162, 0.84));
}

.console-table {
  display: grid;
  gap: 10px;
}

.console-table div {
  min-height: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
}

.console-table span {
  color: var(--navy);
  font-weight: 800;
}

.console-table b {
  color: var(--muted);
}

.console-table em {
  min-width: 44px;
  padding: 4px 8px;
  border-radius: 5px;
  color: var(--teal);
  background: rgba(16, 166, 162, 0.1);
  font-style: normal;
  font-weight: 800;
  text-align: center;
}

.assistant-card {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: min(360px, calc(100% - 44px));
  padding: 18px;
  border: 1px solid rgba(16, 166, 162, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(12, 36, 66, 0.16);
  animation: floatCard 4.8s ease-in-out infinite;
}

.assistant-card span {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 4px 8px;
  border-radius: 5px;
  color: var(--teal);
  background: rgba(16, 166, 162, 0.1);
  font-size: 12px;
  font-weight: 800;
}

.assistant-card strong {
  display: block;
  color: var(--navy);
  line-height: 1.55;
}

.assistant-card p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.value-strip {
  padding: 32px 0;
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.seo-intro {
  padding: 70px 0;
}

.seo-intro .container {
  max-width: 980px;
}

.seo-intro h2 {
  margin: 0 0 18px;
  color: var(--navy);
  font-size: 32px;
  line-height: 1.32;
  text-align: center;
}

.seo-intro p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  text-align: center;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.value-grid article {
  min-height: 170px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.value-grid span {
  color: var(--gold);
  font-weight: 900;
}

.value-grid h2,
.section-head h2,
.workflow-grid h2,
.template-grid h2,
.split-grid h2,
.contact-grid h2 {
  margin: 8px 0 14px;
  color: var(--navy);
  font-size: 38px;
  line-height: 1.25;
}

.value-grid h2 {
  font-size: 22px;
}

.value-grid p,
.section-head p,
.feature-card p,
.wide-text,
.scene-grid p,
.case-card p,
.price-card li,
.contact-grid p {
  color: var(--muted);
  line-height: 1.75;
}

.section-head {
  max-width: 780px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-head p:last-child {
  margin: 0;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  min-height: 245px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  transition: 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(31, 102, 209, 0.34);
  transform: translateY(-4px);
  box-shadow: 0 18px 42px rgba(20, 58, 105, 0.1);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--teal));
  font-size: 13px;
  font-weight: 900;
}

.feature-card:nth-child(2) .feature-icon,
.feature-card:nth-child(5) .feature-icon {
  background: linear-gradient(135deg, var(--green), var(--teal));
}

.feature-card:nth-child(3) .feature-icon,
.feature-card:nth-child(6) .feature-icon {
  background: linear-gradient(135deg, var(--gold), #e15d3a);
}

.feature-card h3,
.scene-grid h3,
.case-card h3,
.price-card h3,
.lead-form h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 22px;
}

.feature-card p,
.scene-grid p,
.case-card p {
  margin: 0;
}

.workflow-grid,
.template-grid,
.split-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 46px;
  align-items: center;
}

.flow-animation {
  position: relative;
  min-height: 430px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  overflow: hidden;
}

.flow-node,
.flow-result {
  position: absolute;
  width: 190px;
  min-height: 86px;
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(12, 36, 66, 0.08);
}

.flow-node strong,
.flow-result strong {
  color: var(--navy);
}

.flow-node span,
.flow-result span {
  color: var(--muted);
  font-size: 13px;
}

.flow-node.patient {
  top: 38px;
  left: 32px;
}

.flow-node.ai {
  top: 164px;
  left: 50%;
  transform: translateX(-50%);
  border-color: rgba(16, 166, 162, 0.32);
}

.channel-list {
  position: absolute;
  top: 54px;
  right: 30px;
  display: grid;
  gap: 12px;
}

.channel-card {
  width: 160px;
  padding: 14px 16px;
  border-radius: 8px;
  color: var(--white);
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(12, 36, 66, 0.13);
  animation: pulseChannel 3s ease-in-out infinite;
}

.channel-card.sms {
  background: var(--blue);
}

.channel-card.call {
  background: var(--green);
  animation-delay: 0.35s;
}

.channel-card.wechat {
  background: var(--teal);
  animation-delay: 0.7s;
}

.flow-result {
  right: 30px;
  bottom: 32px;
  width: 240px;
}

.flow-line {
  position: absolute;
  height: 3px;
  background: linear-gradient(90deg, rgba(31, 102, 209, 0.2), rgba(16, 166, 162, 0.78));
  transform-origin: left center;
  overflow: hidden;
}

.flow-line::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 60px;
  background: rgba(255, 255, 255, 0.8);
  animation: flowMove 2.2s linear infinite;
}

.line-one {
  top: 130px;
  left: 170px;
  width: 220px;
  transform: rotate(28deg);
}

.line-two {
  top: 202px;
  left: 380px;
  width: 190px;
  transform: rotate(-24deg);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.scene-grid article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(20, 58, 105, 0.07);
}

.scene-grid img {
  width: 100%;
  aspect-ratio: 1.2 / 1;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.scene-grid h3 {
  padding: 18px 18px 0;
  font-size: 20px;
}

.scene-grid p {
  padding: 0 18px 20px;
  font-size: 14px;
}

.template-preview {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.template-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.template-toolbar button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: #f8fbfd;
  font-weight: 700;
}

.template-toolbar button.active {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.template-form {
  display: grid;
  gap: 14px;
}

.template-form label {
  color: var(--navy);
  font-weight: 800;
}

.range-bar {
  height: 12px;
  border-radius: 6px;
  background: #e6eef5;
  overflow: hidden;
}

.range-bar span {
  display: block;
  width: 72%;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--gold));
  animation: rangeShift 4s ease-in-out infinite;
}

.choice-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.choice-row span,
.tag-list span,
.partner-points span {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 6px;
  color: #31506d;
  background: #eef6f7;
  font-weight: 700;
}

.input-row {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: #f8fbfd;
}

.input-row strong {
  color: var(--blue-dark);
}

.tag-list,
.partner-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.case-card {
  min-height: 205px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(20, 58, 105, 0.07);
}

.case-logo {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border: 1px solid rgba(31, 102, 209, 0.18);
  border-radius: 8px;
  color: var(--blue-dark);
  background: linear-gradient(145deg, #f7fbff, #e9f4f2);
  font-weight: 900;
}

.case-card.placeholder .case-logo {
  color: var(--gold);
  border-color: rgba(215, 153, 34, 0.24);
  background: #fff8ec;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.price-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(20, 58, 105, 0.07);
}

.price-card.highlight {
  border-color: rgba(31, 102, 209, 0.26);
  background: linear-gradient(180deg, #ffffff, #f0f7ff);
}

.plan-kicker {
  color: var(--teal);
  font-weight: 900;
  text-transform: uppercase;
}

.price {
  margin: 10px 0 22px;
  color: var(--blue-dark);
  font-size: 32px;
  font-weight: 900;
}

.price-card ul {
  min-height: 178px;
  margin: 0 0 26px;
  padding-left: 20px;
}

.price-card li + li {
  margin-top: 10px;
}

.lead-form {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(20, 58, 105, 0.1);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.lead-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: #334c67;
  font-size: 14px;
  font-weight: 800;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid #cfdbe7;
  border-radius: 6px;
  color: var(--ink);
  background: #fbfdff;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.lead-form textarea {
  min-height: 112px;
  padding: 12px;
  resize: vertical;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(31, 102, 209, 0.11);
}

.form-tip {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.contact-grid {
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.82fr);
}

.contact-grid h2,
.contact-grid .eyebrow,
.contact-grid p,
.contact-list span {
  color: var(--white);
}

.contact-grid p {
  opacity: 0.84;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.contact-list span {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}

.trial-inline {
  background: rgba(255, 255, 255, 0.98);
}

.site-footer {
  padding: 24px 0;
  color: #536b83;
  background: #f8fbfd;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 14px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 36, 66, 0.58);
  backdrop-filter: blur(5px);
}

.modal-card {
  position: relative;
  width: min(520px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 30px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
}

.modal-card h2 {
  margin: 0 0 8px;
  color: var(--navy);
}

.modal-card p {
  color: var(--muted);
}

.modal-form {
  padding: 0;
  border: 0;
  box-shadow: none;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: #f7fafc;
  font-size: 24px;
  line-height: 1;
}

.float-trial {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 45;
  width: 58px;
  height: 58px;
  border: 0;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--green));
  box-shadow: 0 16px 34px rgba(31, 102, 209, 0.28);
  font-weight: 900;
}

@keyframes floatCard {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulseChannel {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(-8px);
  }
}

@keyframes flowMove {
  from {
    transform: translateX(-70px);
  }
  to {
    transform: translateX(240px);
  }
}

@keyframes rangeShift {
  0%,
  100% {
    width: 72%;
  }
  50% {
    width: 88%;
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .workflow-grid,
  .template-grid,
  .split-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .scene-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-grid {
    gap: 28px;
  }
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    justify-content: center;
  }

  .hero {
    padding-top: 122px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero-lead {
    font-size: 18px;
  }

  .value-grid,
  .capability-grid,
  .case-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .navbar {
    width: min(100% - 24px, 1220px);
    height: 66px;
  }

  .brand span {
    max-width: 210px;
    white-space: normal;
    line-height: 1.25;
  }

  .nav-links {
    top: 66px;
  }

  .section {
    padding: 68px 0;
  }

  .hero {
    padding-top: 96px;
    padding-bottom: 42px;
  }

  .hero h1,
  .value-grid h2,
  .section-head h2,
  .workflow-grid h2,
  .template-grid h2,
  .split-grid h2,
  .contact-grid h2 {
    font-size: 32px;
  }

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

  .form-grid,
  .scene-grid {
    grid-template-columns: 1fr;
  }

  .metric-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .metric-row div {
    min-height: 92px;
    padding: 13px 10px;
  }

  .metric-row strong {
    font-size: 26px;
  }

  .metric-row p {
    font-size: 12px;
  }

  .screen-stack img {
    height: 160px;
  }

  .console-screen {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .console-sidebar {
    grid-template-columns: 36px auto;
    align-items: center;
    gap: 10px;
    padding: 14px;
  }

  .console-sidebar img {
    width: 36px;
    height: 36px;
  }

  .console-sidebar span {
    display: none;
  }

  .console-main {
    padding: 14px;
  }

  .console-top,
  .console-table div {
    grid-template-columns: 1fr;
  }

  .console-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .console-stats span {
    min-height: 64px;
    padding: 0 8px;
    font-size: 12px;
  }

  .console-stats b {
    font-size: 24px;
  }

  .console-flow {
    grid-template-columns: 1fr;
  }

  .console-flow i {
    display: none;
  }

  .assistant-card {
    display: none;
  }

  .screen-stack {
    min-height: auto;
  }

  .flow-animation {
    min-height: 560px;
  }

  .flow-node.patient,
  .flow-node.ai,
  .channel-list,
  .flow-result {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    width: 100%;
    transform: none;
  }

  .flow-animation {
    display: grid;
    gap: 14px;
  }

  .flow-line {
    display: none;
  }

  .channel-list {
    display: grid;
    gap: 10px;
  }

  .channel-card {
    width: 100%;
  }

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

  .footer-inner {
    flex-direction: column;
  }

  .float-trial {
    right: 14px;
    bottom: 14px;
  }
}

/* 2026 AI patient-operation refresh */
:root {
  --ink: #10243d;
  --muted: #5a6f86;
  --line: #d8e5f0;
  --soft: #f4f8fc;
  --blue: #1f8aff;
  --blue-dark: #1166c8;
  --teal: #16bed1;
  --green: #18a874;
  --gold: #f2b84b;
  --navy: #071a33;
  --shadow: 0 22px 60px rgba(7, 34, 70, 0.13);
}

body {
  background: #f7faff;
}

.site-header {
  background: rgba(5, 22, 46, 0.94);
  border-bottom-color: rgba(120, 177, 235, 0.16);
}

.navbar {
  height: 72px;
}

.brand {
  color: #ffffff;
}

.brand img {
  width: 44px;
  height: 44px;
}

.nav-links {
  gap: 6px;
}

.nav-links a {
  min-height: 38px;
  padding: 0 12px;
  color: #bdcde0;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  background: rgba(31, 138, 255, 0.2);
}

.nav-links .nav-cta {
  margin-left: 8px;
  padding: 0 18px;
  color: #ffffff;
  background: #1f8aff;
  box-shadow: 0 8px 22px rgba(31, 138, 255, 0.26);
}

.nav-links .nav-cta:hover,
.nav-links .nav-cta.active {
  color: #ffffff;
  background: #0f76e6;
}

.nav-toggle {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle span {
  background: #ffffff;
}

.hero {
  min-height: 640px;
  padding: 100px 0 76px;
  color: #ffffff;
  background:
    linear-gradient(90deg, rgba(5, 22, 46, 0.99) 0%, rgba(5, 22, 46, 0.96) 38%, rgba(5, 22, 46, 0.66) 62%, rgba(5, 22, 46, 0.08) 100%),
    url("assets/ai-operations-visual.jpg") 62% center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 72px 0 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(69, 159, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(69, 159, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 74%);
}

.hero-bg {
  inset: 72px 0 auto;
  background: linear-gradient(90deg, transparent, rgba(63, 165, 255, 0.5), transparent);
}

.hero-grid {
  position: relative;
  z-index: 2;
  grid-template-columns: minmax(0, 720px) 1fr;
  min-height: 450px;
}

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

.hero-panel {
  display: none;
}

.hero .eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #6ed6ff;
  letter-spacing: 0.08em;
}

.status-dot,
.live-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
  background: #2ee6a6;
  box-shadow: 0 0 0 5px rgba(46, 230, 166, 0.12), 0 0 18px rgba(46, 230, 166, 0.7);
}

.hero h1 {
  max-width: 720px;
  color: #ffffff;
  font-size: 58px;
  line-height: 1.12;
}

.hero h1 span {
  margin-bottom: 10px;
  color: #50b5ff;
  font-size: 0.72em;
}

.hero-lead {
  max-width: 690px;
  margin: 24px 0 20px;
  color: #d4e0ee;
  font-size: 18px;
  line-height: 1.85;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 28px;
}

.hero-tags span {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 0 11px;
  border: 1px solid rgba(110, 214, 255, 0.24);
  border-radius: 5px;
  color: #d7efff;
  background: rgba(31, 138, 255, 0.11);
  font-size: 13px;
  font-weight: 700;
}

.hero .btn-primary {
  background: #1f8aff;
  box-shadow: 0 15px 30px rgba(31, 138, 255, 0.3);
}

.hero .btn-ghost {
  color: #e3f2ff;
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.08);
}

.hero .metric-row {
  max-width: 690px;
  gap: 0;
}

.hero .metric-row div {
  min-height: 76px;
  padding: 10px 22px;
  border: 0;
  border-left: 1px solid rgba(142, 192, 239, 0.24);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.hero .metric-row div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero .metric-row strong {
  color: #ffffff;
  font-size: 25px;
}

.hero .metric-row p {
  margin-top: 7px;
  color: #aebfd3;
  font-size: 13px;
}

.hero-trustbar {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  min-height: 68px;
  display: flex;
  align-items: center;
  border-top: 1px solid rgba(125, 180, 232, 0.16);
  background: rgba(4, 18, 39, 0.82);
  backdrop-filter: blur(12px);
}

.hero-trustbar .container {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #d4e1ef;
  font-size: 14px;
}

.hero-trustbar span {
  color: #62c7ff;
  font-weight: 800;
}

.hero-trustbar b {
  color: #ffffff;
}

.hero-trustbar small {
  margin-left: auto;
  color: #91a8bf;
}

.value-strip {
  padding: 0;
  border: 0;
  background: #ffffff;
}

.value-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.value-grid article {
  min-height: 164px;
  padding: 30px 28px;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
}

.value-grid article:first-child {
  border-left: 1px solid var(--line);
}

.value-grid span {
  color: var(--blue);
  font-size: 12px;
}

.value-grid h2 {
  margin-top: 10px;
  font-size: 20px;
}

.value-grid p {
  margin-bottom: 0;
  font-size: 14px;
}

.section-muted {
  background: #f4f8fc;
}

.section-head {
  max-width: 820px;
}

.section-head h2,
.ai-call-copy h2 {
  margin: 8px 0 16px;
  color: var(--navy);
  font-size: 40px;
  line-height: 1.25;
}

.ai-call-section {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  background: #061a34;
}

.ai-call-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(79, 168, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 168, 255, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
}

.ai-call-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
  gap: 72px;
  align-items: center;
}

.ai-call-copy .eyebrow {
  color: #65cdff;
}

.ai-call-copy h2 {
  color: #ffffff;
}

.ai-call-copy > .wide-text {
  margin-bottom: 28px;
  color: #b9cadc;
}

.ai-benefit-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 24px;
  margin-bottom: 30px;
}

.ai-benefit-list article {
  min-height: 112px;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid rgba(139, 190, 235, 0.18);
}

.ai-benefit-list article > b {
  color: #43b2ff;
  font-size: 13px;
}

.ai-benefit-list h3 {
  margin: 0 0 7px;
  color: #ffffff;
  font-size: 17px;
}

.ai-benefit-list p {
  margin: 0;
  color: #9fb3c8;
  font-size: 13px;
  line-height: 1.7;
}

.ai-call-visual {
  position: relative;
  min-height: 540px;
}

.voice-command {
  position: absolute;
  top: 82px;
  left: 50%;
  width: 330px;
  min-height: 350px;
  padding: 24px;
  transform: translateX(-50%);
  border: 1px solid rgba(93, 191, 255, 0.4);
  border-radius: 8px;
  background: rgba(7, 37, 72, 0.9);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.32), inset 0 0 60px rgba(31, 138, 255, 0.08);
}

.voice-command-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #88cfff;
  font-size: 12px;
  font-weight: 800;
}

.voice-command-head em {
  padding: 4px 7px;
  border-radius: 4px;
  color: #40e5a8;
  background: rgba(64, 229, 168, 0.1);
  font-style: normal;
}

.voice-ring {
  width: 174px;
  height: 174px;
  display: grid;
  place-items: center;
  margin: 34px auto 24px;
  border: 1px solid rgba(79, 182, 255, 0.52);
  border-radius: 50%;
  box-shadow: 0 0 0 18px rgba(31, 138, 255, 0.06), 0 0 0 38px rgba(31, 138, 255, 0.025);
  animation: voicePulse 2.8s ease-in-out infinite;
}

.voice-ring > div {
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #ffffff;
  background: #1f8aff;
  box-shadow: 0 0 34px rgba(31, 138, 255, 0.56);
  font-size: 30px;
  font-weight: 900;
}

.voice-ring small {
  display: block;
  margin-top: -28px;
  font-size: 11px;
}

.voice-bars,
.waveform {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.voice-bars i,
.waveform i {
  width: 4px;
  height: 12px;
  border-radius: 3px;
  background: #4fc3ff;
  animation: voiceBar 1.1s ease-in-out infinite;
}

.voice-bars i:nth-child(2n),
.waveform i:nth-child(2n) {
  height: 26px;
  animation-delay: 0.15s;
}

.voice-bars i:nth-child(3n),
.waveform i:nth-child(3n) {
  height: 18px;
  animation-delay: 0.3s;
}

.voice-command > p {
  color: #97acc2;
  font-size: 12px;
  text-align: center;
}

.call-step {
  position: absolute;
  width: 168px;
  min-height: 92px;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-content: center;
  gap: 4px 10px;
  padding: 16px;
  border: 1px solid rgba(84, 170, 238, 0.26);
  border-radius: 7px;
  background: rgba(9, 43, 79, 0.88);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.18);
}

.call-step span {
  grid-row: 1 / 3;
  align-self: center;
  color: #45b6ff;
  font-size: 13px;
  font-weight: 900;
}

.call-step b {
  color: #ffffff;
  font-size: 15px;
}

.call-step small {
  color: #8ea6bf;
}

.step-one {
  top: 18px;
  left: 0;
}

.step-two {
  top: 18px;
  right: 0;
}

.step-three {
  bottom: 18px;
  left: 0;
}

.step-four {
  right: 0;
  bottom: 18px;
}

.capability-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
  position: relative;
  min-height: 270px;
  overflow: hidden;
  border-color: #dce8f2;
  background: #ffffff;
}

.feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: #1f8aff;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.feature-card:hover::after {
  transform: scaleX(1);
}

.feature-card.feature-primary {
  color: #ffffff;
  border-color: #126fd2;
  background: #0a3d75;
}

.feature-card.feature-primary h3,
.feature-card.feature-primary p {
  color: #ffffff;
}

.feature-card.feature-primary p {
  opacity: 0.76;
}

.feature-label {
  position: absolute;
  top: 28px;
  right: 24px;
  color: #7890a8;
  font-size: 11px;
  font-weight: 800;
}

.feature-primary .feature-label {
  color: #80caff;
}

.feature-icon {
  border-radius: 7px;
  background: #1f8aff;
}

.feature-card:nth-child(2) .feature-icon,
.feature-card:nth-child(5) .feature-icon {
  background: #18a874;
}

.feature-card:nth-child(3) .feature-icon,
.feature-card:nth-child(6) .feature-icon {
  background: #e49b1f;
}

.operation-section {
  background: #f1f6fb;
}

.operation-figure {
  margin: 0;
}

.operation-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid #d7e4ef;
  border-radius: 8px 8px 0 0;
  box-shadow: 0 28px 70px rgba(13, 54, 98, 0.13);
}

.operation-figure figcaption {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid #d7e4ef;
  border-top: 0;
  border-radius: 0 0 8px 8px;
  background: #ffffff;
}

.operation-figure figcaption span {
  min-height: 82px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 0 20px;
  border-right: 1px solid #dfe9f2;
  color: #698097;
  font-size: 12px;
}

.operation-figure figcaption span:last-child {
  border-right: 0;
}

.operation-figure figcaption b {
  color: #12385f;
  font-size: 15px;
}

.compare-section {
  background: #ffffff;
}

.compare-table {
  overflow: hidden;
  border: 1px solid #d7e4ef;
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(15, 52, 92, 0.08);
}

.compare-head,
.compare-row {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
}

.compare-head {
  min-height: 62px;
  align-items: center;
  color: #ffffff;
  background: #092b54;
}

.compare-head b,
.compare-row > * {
  padding: 0 24px;
}

.compare-head b {
  font-size: 14px;
}

.compare-head b:last-child {
  color: #7fd2ff;
}

.compare-row {
  min-height: 82px;
  align-items: stretch;
  border-top: 1px solid #e1eaf2;
}

.compare-row > * {
  display: flex;
  align-items: center;
  line-height: 1.65;
}

.compare-row strong {
  color: #153b61;
  background: #f5f8fb;
}

.compare-row span {
  color: #6a7c90;
  border-left: 1px solid #e1eaf2;
}

.compare-row span:last-child {
  color: #244a70;
  background: #f6fbff;
}

.compare-row i {
  min-width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  margin-right: 10px;
  border-radius: 50%;
  color: #ffffff;
  background: #1f8aff;
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}

.roi-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 52px;
  align-items: center;
  margin-top: 24px;
  padding: 34px 38px;
  border-radius: 8px;
  color: #ffffff;
  background: #092b54;
}

.roi-copy .eyebrow {
  color: #70d4ff;
}

.roi-copy h3 {
  margin: 6px 0 10px;
  font-size: 28px;
}

.roi-copy > p:last-child {
  margin: 0;
  color: #b8c9da;
  line-height: 1.75;
}

.roi-formula {
  display: grid;
  gap: 9px;
  padding-left: 34px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.roi-formula span {
  color: #6bd1ff;
  font-size: 13px;
  font-weight: 800;
}

.roi-formula strong {
  font-size: 17px;
  line-height: 1.7;
}

.roi-formula small {
  color: #98aec3;
}

.section-dark {
  background:
    linear-gradient(120deg, rgba(5, 22, 46, 0.98), rgba(8, 54, 96, 0.94)),
    url("assets/ppt-media/image36.png") center / cover;
}

.lead-form {
  border-color: #dbe6ef;
}

.float-trial {
  background: #1f8aff;
}

@keyframes voicePulse {
  0%,
  100% {
    box-shadow: 0 0 0 18px rgba(31, 138, 255, 0.06), 0 0 0 38px rgba(31, 138, 255, 0.025);
  }
  50% {
    box-shadow: 0 0 0 26px rgba(31, 138, 255, 0.09), 0 0 0 48px rgba(31, 138, 255, 0.035);
  }
}

@keyframes voiceBar {
  0%,
  100% {
    transform: scaleY(0.65);
  }
  50% {
    transform: scaleY(1.35);
  }
}

@media (max-width: 1120px) {
  .nav-links a {
    padding: 0 9px;
    font-size: 13px;
  }

  .ai-call-grid {
    grid-template-columns: 1fr;
  }

  .ai-call-visual {
    width: min(680px, 100%);
    margin: 0 auto;
  }

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

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

  .value-grid article:nth-child(3) {
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
  }

  .value-grid article:nth-child(4) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 920px) {
  .nav-links {
    top: 72px;
    border-color: rgba(29, 75, 122, 0.9);
    background: #071a33;
  }

  .nav-links a {
    color: #c8d6e4;
  }

  .nav-links .nav-cta {
    margin-left: 0;
  }

  .hero {
    min-height: 650px;
    padding-top: 100px;
    background:
      linear-gradient(90deg, rgba(5, 22, 46, 0.99), rgba(5, 22, 46, 0.9)),
      url("assets/ai-operations-visual.jpg") center / cover no-repeat;
  }

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

  .hero-trustbar .container {
    flex-wrap: wrap;
    gap: 10px 20px;
    padding: 14px 0;
  }

  .hero-trustbar small {
    width: 100%;
    margin-left: 0;
  }

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

  .operation-figure figcaption span:nth-child(2) {
    border-right: 0;
  }

  .operation-figure figcaption span:nth-child(-n + 2) {
    border-bottom: 1px solid #dfe9f2;
  }

  .compare-head,
  .compare-row {
    grid-template-columns: 140px 1fr 1fr;
  }

  .compare-head b,
  .compare-row > * {
    padding: 14px 16px;
  }

  .roi-panel {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .roi-formula {
    padding-top: 24px;
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-left: 0;
  }
}

@media (max-width: 680px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: 640px;
    padding: 96px 0 116px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero h1 span {
    font-size: 0.68em;
  }

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

  .hero .metric-row {
    display: none;
  }

  .hero-trustbar b:nth-of-type(n + 4) {
    display: none;
  }

  .value-grid,
  .capability-grid,
  .ai-benefit-list {
    grid-template-columns: 1fr;
  }

  .value-grid article,
  .value-grid article:first-child,
  .value-grid article:nth-child(3) {
    border: 0;
    border-bottom: 1px solid var(--line);
  }

  .section-head h2,
  .ai-call-copy h2 {
    font-size: 30px;
  }

  .ai-call-visual {
    min-height: 690px;
  }

  .voice-command {
    top: 154px;
    width: calc(100% - 24px);
  }

  .call-step {
    width: calc(50% - 6px);
    min-height: 112px;
  }

  .step-one {
    top: 0;
  }

  .step-two {
    top: 0;
  }

  .step-three {
    bottom: 0;
  }

  .step-four {
    bottom: 0;
  }

  .operation-figure figcaption {
    grid-template-columns: 1fr;
  }

  .operation-figure figcaption span,
  .operation-figure figcaption span:nth-child(2) {
    min-height: 70px;
    border-right: 0;
    border-bottom: 1px solid #dfe9f2;
  }

  .compare-head {
    display: none;
  }

  .compare-row {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .compare-row strong,
  .compare-row span {
    padding: 10px 0;
    border: 0;
    background: transparent;
  }

  .compare-row span {
    display: block;
    padding-left: 0;
  }

  .compare-row span::before {
    display: block;
    margin-bottom: 5px;
    color: #8395a7;
    font-size: 11px;
    font-weight: 800;
  }

  .compare-row span:first-of-type::before {
    content: "传统人工";
  }

  .compare-row span:last-of-type::before {
    content: "医随智访";
    color: #1f8aff;
  }

  .compare-row i {
    display: none;
  }

  .roi-panel {
    padding: 28px 24px;
  }
}

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

/* AI + human follow-up visual */
.hybrid-visual {
  position: relative;
  min-height: 510px;
  overflow: hidden;
  border: 1px solid rgba(98, 190, 255, 0.4);
  border-radius: 8px;
  background: #071d38;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
}

.hybrid-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(4, 20, 42, 0.42), transparent 35%, rgba(4, 20, 42, 0.88));
}

.hybrid-visual > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hybrid-topline,
.hybrid-role,
.handoff-status,
.hybrid-live {
  position: absolute;
  z-index: 2;
}

.hybrid-topline {
  top: 18px;
  right: 18px;
  left: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hybrid-topline span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid rgba(120, 206, 255, 0.34);
  border-radius: 5px;
  color: #dff4ff;
  background: rgba(6, 34, 66, 0.74);
  backdrop-filter: blur(10px);
  font-size: 13px;
  font-weight: 800;
}

.hybrid-topline span i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #35e3a6;
  box-shadow: 0 0 12px rgba(53, 227, 166, 0.86);
}

.hybrid-topline > b {
  color: #ffffff;
  font-size: 34px;
  line-height: 1;
  text-shadow: 0 0 24px rgba(70, 181, 255, 0.72);
}

.hybrid-role {
  bottom: 88px;
  width: calc(50% - 28px);
  min-height: 88px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid rgba(114, 199, 255, 0.28);
  border-radius: 6px;
  background: rgba(5, 28, 57, 0.78);
  backdrop-filter: blur(10px);
}

.role-ai {
  left: 18px;
}

.role-human {
  right: 18px;
}

.hybrid-role small {
  color: #65caff;
  font-size: 11px;
  font-weight: 800;
}

.hybrid-role strong {
  color: #ffffff;
  font-size: 15px;
}

.hybrid-role span {
  color: #9eb5cb;
  font-size: 11px;
}

.handoff-status {
  right: 18px;
  bottom: 18px;
  left: 18px;
  min-height: 46px;
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid rgba(97, 187, 255, 0.26);
  border-radius: 6px;
  color: #a9bfd4;
  background: rgba(4, 23, 47, 0.86);
  font-size: 11px;
}

.handoff-status i {
  height: 2px;
  background: #1f8aff;
}

.handoff-status b {
  color: #63caff;
  white-space: nowrap;
}

.hybrid-live {
  top: 66px;
  right: 18px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #a8bed2;
  font-size: 11px;
}

.hybrid-live span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #35e3a6;
  animation: livePulse 1.8s ease-in-out infinite;
}

@keyframes livePulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(53, 227, 166, 0.38);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(53, 227, 166, 0);
  }
}

@media (max-width: 680px) {
  .hybrid-visual {
    min-height: 0;
    padding-bottom: 14px;
  }

  .hybrid-visual::after {
    bottom: auto;
    height: 210px;
  }

  .hybrid-visual > img {
    position: relative;
    aspect-ratio: 16 / 9;
    height: auto;
  }

  .hybrid-topline {
    top: 10px;
    right: 10px;
    left: 10px;
  }

  .hybrid-topline span {
    min-height: 30px;
    padding: 0 9px;
    font-size: 11px;
  }

  .hybrid-topline > b {
    font-size: 26px;
  }

  .hybrid-live {
    top: 50px;
    right: 10px;
  }

  .hybrid-role,
  .role-ai,
  .role-human {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    width: auto;
    margin: 12px 12px 0;
    background: #0a2b53;
  }

  .handoff-status {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    grid-template-columns: 1fr;
    gap: 6px;
    margin: 12px 12px 0;
    padding: 12px;
    text-align: center;
  }

  .handoff-status i {
    display: none;
  }
}