:root {
  color-scheme: light;
  --ink: #18202b;
  --muted: #5d6978;
  --line: #dfe6ee;
  --paper: #ffffff;
  --soft: #f5f8fb;
  --teal: #e74362;
  --teal-dark: #c92e4c;
  --blue: #2868d8;
  --coral: #0f8c80;
  --amber: #d69b18;
  --shadow: 0 18px 50px rgba(24, 32, 43, 0.13);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}

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

button,
input {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(223, 230, 238, 0.82);
  backdrop-filter: blur(16px);
}

.brand,
.nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  box-shadow: 0 8px 18px rgba(231, 67, 98, 0.2);
}

.nav {
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover {
  color: var(--ink);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.nav-cta {
  color: #ffffff;
  background: var(--ink);
  font-size: 14px;
}

.button:hover,
.nav-cta:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #ffffff;
  background: var(--teal);
  box-shadow: 0 12px 28px rgba(15, 140, 128, 0.22);
}

.button.primary:hover {
  background: var(--teal-dark);
}

.button.secondary {
  color: var(--ink);
  border-color: #cbd6e2;
  background: rgba(255, 255, 255, 0.82);
}

.button.wide {
  width: 100%;
}

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  display: flex;
  gap: clamp(28px, 5vw, 78px);
  align-items: center;
  justify-content: space-between;
  padding: 108px clamp(20px, 7vw, 96px) 54px;
  background: #fff5f7;
}

.hero-canvas,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-canvas {
  width: 100%;
  height: 100%;
}

.hero-overlay {
  background: linear-gradient(90deg, rgba(255, 250, 251, 0.96), rgba(255, 250, 251, 0.76) 52%, rgba(255, 250, 251, 0.34));
}

.hero-content {
  position: relative;
  z-index: 2;
  flex: 0 1 720px;
  padding-top: 24px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  max-width: 720px;
  font-size: clamp(46px, 7vw, 86px);
  line-height: 1;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 30px;
  color: #354152;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 38px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  width: min(610px, 100%);
  margin: 0;
}

.hero-metrics div {
  padding: 14px 16px;
  border: 1px solid rgba(203, 214, 226, 0.82);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.hero-metrics dt {
  font-weight: 900;
  color: var(--ink);
}

.hero-metrics dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-showcase {
  position: relative;
  z-index: 2;
  flex: 0 1 430px;
  display: grid;
  justify-items: center;
  gap: 16px;
}

.call-device {
  width: min(100%, 390px);
  min-height: 560px;
  padding: 22px;
  border: 1px solid rgba(231, 67, 98, 0.18);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 250, 251, 0.9)),
    #ffffff;
  box-shadow: 0 26px 70px rgba(72, 38, 48, 0.18);
}

.call-topbar,
.caller-card,
.call-controls,
.scenario-strip {
  display: flex;
  align-items: center;
}

.call-topbar {
  justify-content: space-between;
  margin-bottom: 24px;
  color: #8a5260;
  font-size: 13px;
  font-weight: 800;
}

.call-live {
  color: var(--teal);
}

.caller-card {
  gap: 14px;
  padding: 16px;
  border: 1px solid #f0d3da;
  border-radius: 18px;
  background: #ffffff;
}

.caller-card img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.caller-card strong,
.caller-card span {
  display: block;
}

.caller-card strong {
  font-size: 18px;
}

.caller-card span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.sound-bars {
  height: 126px;
  margin: 26px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.sound-bars span {
  width: 12px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--teal), var(--blue));
  animation: pulseBar 1200ms ease-in-out infinite;
}

.sound-bars span:nth-child(1) { height: 42px; animation-delay: 0ms; }
.sound-bars span:nth-child(2) { height: 72px; animation-delay: 90ms; }
.sound-bars span:nth-child(3) { height: 104px; animation-delay: 180ms; }
.sound-bars span:nth-child(4) { height: 82px; animation-delay: 270ms; }
.sound-bars span:nth-child(5) { height: 118px; animation-delay: 360ms; }
.sound-bars span:nth-child(6) { height: 64px; animation-delay: 450ms; }
.sound-bars span:nth-child(7) { height: 48px; animation-delay: 540ms; }

@keyframes pulseBar {
  0%, 100% { transform: scaleY(0.72); opacity: 0.62; }
  50% { transform: scaleY(1); opacity: 1; }
}

.call-script {
  display: grid;
  gap: 10px;
}

.call-script p {
  margin: 0;
  padding: 11px 12px;
  border-radius: 12px;
  background: #f7f9fb;
  color: #344054;
  font-size: 13px;
  line-height: 1.55;
}

.call-script b {
  margin-right: 8px;
  color: var(--teal);
}

.control-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid #f0d3da;
  border-radius: 12px;
  background: #fff8fa;
  color: #8a5260;
  font-size: 12px;
}

.control-badge span {
  text-decoration: line-through;
  opacity: 0.72;
}

.control-badge strong {
  color: var(--teal);
}

.call-controls {
  justify-content: center;
  gap: 18px;
  margin-top: 24px;
}

.call-controls span {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #eef2f6;
}

.call-controls .hang {
  background: var(--teal);
  box-shadow: 0 12px 24px rgba(231, 67, 98, 0.26);
}

.scenario-strip {
  width: min(100%, 430px);
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.scenario-strip span {
  padding: 8px 10px;
  border: 1px solid rgba(231, 67, 98, 0.18);
  border-radius: 999px;
  color: #8a5260;
  background: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 800;
}

.section {
  padding: 88px clamp(20px, 7vw, 96px);
}

.section-head {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-head.compact {
  margin-bottom: 28px;
}

.section h2 {
  max-width: 780px;
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-head p:not(.section-kicker),
.quality-copy p,
.contact-section p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.workflow-section,
.domains-section {
  background: var(--paper);
}

.timeline h3,
.audit-panel h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.timeline p,
.audit-panel p,
.audit-panel li,
.domain-grid p {
  color: var(--muted);
  line-height: 1.7;
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.domain-showcase {
  display: grid;
  grid-template-columns: 220px 1fr 360px;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  padding: 24px;
  border: 1px solid #eadfe3;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(231, 67, 98, 0.08), rgba(40, 104, 216, 0.06)),
    #ffffff;
}

.domain-phone-visual {
  min-height: 190px;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 28px;
  color: #ffffff;
  background: linear-gradient(180deg, #1c2230, #303b51);
  box-shadow: 0 18px 42px rgba(24, 32, 43, 0.18);
}

.domain-phone-visual img {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #ffffff;
}

.domain-phone-visual strong,
.domain-phone-visual span {
  display: block;
}

.domain-phone-visual strong {
  font-size: 18px;
}

.domain-phone-visual span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.domain-routes {
  position: relative;
  height: 190px;
}

.domain-routes::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
}

.domain-routes span {
  position: absolute;
  right: 0;
  width: 58%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(231, 67, 98, 0.65));
  transform-origin: right center;
}

.domain-routes span:nth-child(1) { top: 24px; transform: rotate(-20deg); }
.domain-routes span:nth-child(2) { top: 76px; transform: rotate(-7deg); }
.domain-routes span:nth-child(3) { bottom: 76px; transform: rotate(7deg); }
.domain-routes span:nth-child(4) { bottom: 24px; transform: rotate(20deg); }

.domain-scenes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.domain-scenes span {
  min-height: 82px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(231, 67, 98, 0.16);
  border-radius: 8px;
  color: #7a4a58;
  background: rgba(255, 255, 255, 0.78);
  font-weight: 900;
}

.domain-grid article {
  min-height: 170px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f8fbfc);
}

.domain-grid h3 {
  margin-bottom: 9px;
  font-size: 20px;
}

.difference-section {
  background:
    linear-gradient(135deg, rgba(231, 67, 98, 0.08), rgba(40, 104, 216, 0.07)),
    #ffffff;
}

.difference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.control-visual {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.control-visual div {
  min-height: 122px;
  padding: 18px;
  border: 1px solid rgba(231, 67, 98, 0.16);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 14px 32px rgba(24, 32, 43, 0.08);
}

.control-visual span,
.control-visual strong {
  display: block;
}

.control-visual span {
  margin-bottom: 26px;
  color: var(--teal);
  font-weight: 900;
}

.control-visual strong {
  color: var(--ink);
  line-height: 1.45;
}

.compare-card {
  min-height: 320px;
  padding: 28px;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.compare-card h3 {
  margin-bottom: 20px;
  font-size: 26px;
}

.compare-card ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compare-card li {
  position: relative;
  padding-left: 28px;
  color: #3d4857;
  line-height: 1.55;
}

.compare-card li::before {
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 900;
}

.muted-card {
  background: rgba(255, 255, 255, 0.72);
}

.muted-card h3 {
  color: #6a7584;
}

.muted-card li::before {
  content: "!";
  color: #8a5260;
  background: #f7dce3;
}

.strong-card {
  color: #ffffff;
  border-color: rgba(231, 67, 98, 0.2);
  background: linear-gradient(135deg, #e74362, #2868d8);
  box-shadow: 0 20px 52px rgba(82, 67, 126, 0.22);
}

.strong-card h3,
.strong-card li {
  color: #ffffff;
}

.strong-card li::before {
  content: "✓";
  color: #e74362;
  background: #ffffff;
}

.solution-section {
  background: #ffffff;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.system-map {
  display: grid;
  grid-template-columns: minmax(100px, 0.9fr) 34px minmax(70px, 0.7fr) 34px minmax(150px, 1.4fr) 34px minmax(70px, 0.7fr) 34px minmax(100px, 0.9fr);
  align-items: center;
  margin-bottom: 22px;
  padding: 20px;
  border: 1px solid #eadfe3;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #fff8fa);
}

.system-node {
  min-height: 78px;
  display: grid;
  place-items: center;
  padding: 12px;
  border: 1px solid rgba(231, 67, 98, 0.18);
  border-radius: 8px;
  color: #7a4a58;
  background: #ffffff;
  text-align: center;
  font-weight: 900;
}

.system-node.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--teal), var(--blue));
}

.system-line {
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
}

.solution-grid article {
  position: relative;
  min-height: 210px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid #eadfe3;
  border-radius: 8px;
  background: #ffffff;
}

.solution-grid article:first-child,
.solution-grid article:nth-child(2) {
  grid-column: span 2;
}

.solution-grid article::after {
  content: "";
  position: absolute;
  right: -42px;
  bottom: -42px;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: rgba(231, 67, 98, 0.08);
}

.solution-grid span {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--teal);
  font-weight: 900;
}

.solution-grid h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.solution-grid p {
  position: relative;
  z-index: 1;
  color: var(--muted);
  line-height: 1.68;
}

.demo-section,
.quality-section {
  background: var(--soft);
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 22px;
  align-items: stretch;
}

.demo-panel,
.audit-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.demo-panel {
  overflow: hidden;
}

.demo-toolbar {
  display: flex;
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.segmented {
  min-width: 72px;
  min-height: 34px;
  border: 1px solid #cbd6e2;
  border-radius: 8px;
  color: var(--muted);
  background: #ffffff;
  cursor: pointer;
}

.segmented.is-active {
  color: #ffffff;
  border-color: var(--teal);
  background: var(--teal);
}

.case-phone-shell {
  min-height: 640px;
  padding: 26px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 12%, rgba(231, 67, 98, 0.12), transparent 32%),
    #ffffff;
}

.phone-bezel {
  position: relative;
  width: min(100%, 372px);
  min-height: 620px;
  padding: 12px;
  border: 1px solid rgba(30, 35, 43, 0.12);
  border-radius: 42px;
  background: #151922;
  box-shadow: 0 30px 78px rgba(24, 32, 43, 0.24);
}

.phone-statusbar {
  position: absolute;
  z-index: 3;
  top: 22px;
  left: 34px;
  right: 34px;
  display: flex;
  justify-content: space-between;
  color: #642738;
  font-size: 12px;
  font-weight: 900;
}

.phone-notch {
  position: absolute;
  z-index: 4;
  top: 20px;
  left: 50%;
  width: 94px;
  height: 27px;
  border-radius: 999px;
  background: #151922;
  transform: translateX(-50%);
}

.phone-call-screen {
  min-height: 596px;
  padding: 46px 20px 22px;
  border-radius: 32px;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.72), transparent 25%),
    linear-gradient(180deg, #fff7f9, #f3f7ff 58%, #ffffff);
  overflow: hidden;
}

.phone-call-head,
.phone-contact,
.phone-duration,
.phone-controls,
.caption-head {
  display: flex;
  align-items: center;
}

.phone-call-head {
  justify-content: space-between;
  margin-bottom: 22px;
  color: #7a4a58;
  font-size: 12px;
  font-weight: 900;
}

.call-live-pill {
  padding: 6px 9px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--teal);
}

.phone-contact {
  flex-direction: column;
  text-align: center;
}

.phone-contact img {
  width: 92px;
  height: 92px;
  margin-bottom: 14px;
  border-radius: 50%;
  box-shadow: 0 16px 38px rgba(231, 67, 98, 0.22);
}

.phone-contact strong {
  font-size: 24px;
  line-height: 1.2;
}

.phone-contact span,
.phone-contact em {
  display: block;
  margin-top: 6px;
  color: #6b7280;
  font-size: 13px;
  font-style: normal;
}

.phone-duration {
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  color: #7a4a58;
  font-size: 13px;
}

.phone-duration strong {
  color: var(--ink);
  font-size: 18px;
}

.latency-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.latency-strip span,
.latency-strip strong {
  padding: 5px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
}

.latency-strip span {
  color: #6b7280;
  background: rgba(255, 255, 255, 0.78);
}

.latency-strip strong {
  color: #ffffff;
  background: var(--teal);
}

.phone-wave {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.phone-wave span {
  width: 8px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--teal), var(--blue));
  animation: pulseBar 1100ms ease-in-out infinite;
}

.phone-wave span:nth-child(1) { height: 28px; animation-delay: 0ms; }
.phone-wave span:nth-child(2) { height: 52px; animation-delay: 120ms; }
.phone-wave span:nth-child(3) { height: 72px; animation-delay: 240ms; }
.phone-wave span:nth-child(4) { height: 44px; animation-delay: 360ms; }
.phone-wave span:nth-child(5) { height: 62px; animation-delay: 480ms; }
.phone-wave span:nth-child(6) { height: 34px; animation-delay: 600ms; }

.live-caption {
  min-height: 190px;
  padding: 12px;
  border: 1px solid rgba(231, 67, 98, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(12px);
}

.caption-head {
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  color: #8a5260;
  font-size: 12px;
  font-weight: 900;
}

.caption-lines {
  display: grid;
  gap: 7px;
  max-height: 150px;
  overflow: hidden;
}

.call-turn {
  position: relative;
  padding: 8px 10px 8px 28px;
  border-radius: 10px;
  color: #273241;
  background: #f4f7fa;
  font-size: 12px;
  line-height: 1.45;
}

.call-turn.sales {
  background: #e8f2ff;
}

.call-turn.customer {
  background: #fff0f3;
}

.call-turn.audit {
  color: #7a5511;
  background: #fff7e6;
}

.call-turn::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 13px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9aa7b5;
}

.call-turn.sales::before {
  background: var(--blue);
}

.call-turn.customer::before {
  background: var(--teal);
}

.call-turn.audit::before {
  background: var(--amber);
}

.call-turn small {
  display: block;
  margin-bottom: 2px;
  color: #6a7584;
  font-size: 11px;
  font-weight: 800;
}

.phone-controls {
  display: grid;
  grid-template-columns: repeat(3, 66px);
  justify-content: center;
  gap: 10px 18px;
  margin-top: 20px;
}

.phone-control {
  position: relative;
  width: 66px;
  height: 76px;
  background: transparent;
}

.phone-control::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #404a58;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 0 0 1px rgba(24, 32, 43, 0.08);
  font-weight: 900;
  transform: translateX(-50%);
}

.phone-control::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  color: #5d6978;
  text-align: center;
  font-size: 11px;
  font-weight: 800;
}

.phone-control.mic::before { content: "｜"; }
.phone-control.mic::after { content: "静音"; }
.phone-control.keypad::before { content: "···"; }
.phone-control.keypad::after { content: "拨号键盘"; }
.phone-control.speaker::before { content: ")))"; }
.phone-control.speaker::after { content: "扬声器"; }
.phone-control.add::before { content: "+"; }
.phone-control.add::after { content: "添加"; }
.phone-control.video::before { content: "▭"; }
.phone-control.video::after { content: "视频"; }

.phone-control.hang {
  background: transparent;
  box-shadow: 0 14px 26px rgba(231, 67, 98, 0.3);
}

.phone-control.hang::before {
  content: "";
  width: 24px;
  height: 10px;
  border-radius: 999px 999px 4px 4px;
  background: #ffffff;
  transform: rotate(0deg);
  background-color: #ffffff;
  box-shadow: none;
  background-clip: padding-box;
}

.phone-control.hang::after {
  content: "挂断";
  color: var(--teal);
}

.phone-control.hang {
  border-radius: 0;
}

.phone-control.hang::before {
  top: 0;
  left: 50%;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--teal);
}

.phone-control.hang::after {
  bottom: 0;
}

.phone-control.hang {
  box-shadow: none;
}

.phone-control.hang::before {
  box-shadow: 0 14px 26px rgba(231, 67, 98, 0.3);
}

.phone-control.hang {
  color: #ffffff;
}

.phone-control.hang::before {
  content: "⌒";
  color: #ffffff;
  font-size: 26px;
  line-height: 1;
  transform: translateX(-50%) rotate(180deg);
}

.audit-panel {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.audit-panel ul {
  display: grid;
  gap: 10px;
  margin: 8px 0 24px;
  padding-left: 18px;
}

.audit-panel .button {
  margin-top: auto;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.delivery-preview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.delivery-screen {
  border: 1px solid #dfe6ee;
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 16px 38px rgba(24, 32, 43, 0.08);
}

.screen-head {
  display: flex;
  gap: 6px;
  padding: 12px;
  background: #f5f8fb;
}

.screen-head span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #c9d3df;
}

.screen-head span:first-child {
  background: var(--teal);
}

.screen-body {
  min-height: 132px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 20px;
}

.screen-body strong {
  font-size: 20px;
}

.screen-body span {
  color: var(--muted);
  line-height: 1.5;
}

.timeline li {
  padding: 24px;
  border-top: 3px solid var(--teal);
  background: #ffffff;
}

.timeline span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 24px;
  border: 1px solid #cbd6e2;
  border-radius: 50%;
  color: var(--teal);
  font-weight: 900;
}

.quality-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 46px;
  align-items: center;
}

.quality-list {
  display: grid;
  gap: 14px;
}

.quality-list div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 76px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.quality-list strong {
  color: var(--ink);
  font-size: 18px;
}

.quality-list span {
  color: var(--muted);
  line-height: 1.6;
}

.company-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 40px;
  align-items: center;
  background: #ffffff;
}

.company-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.company-board {
  padding: 28px;
  border: 1px solid #f0d3da;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(231, 67, 98, 0.08), rgba(40, 104, 216, 0.06)),
    #ffffff;
  box-shadow: var(--shadow);
}

.company-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.company-metrics div {
  min-height: 116px;
  padding: 18px;
  border: 1px solid rgba(231, 67, 98, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.company-metrics strong,
.company-metrics span {
  display: block;
}

.company-metrics strong {
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 34px;
  line-height: 1;
}

.company-metrics span,
.company-board p {
  color: var(--muted);
  line-height: 1.6;
}

.product-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 14px;
}

.product-line span {
  padding: 9px 12px;
  border-radius: 999px;
  color: #8a5260;
  background: #fff8fa;
  border: 1px solid #f0d3da;
  font-weight: 800;
}

.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  background: #ffffff;
}

.contact-section > div:first-child {
  max-width: 680px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 7vw, 96px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-overlay {
    background: rgba(255, 250, 251, 0.88);
  }

  .hero-content,
  .hero-showcase {
    width: 100%;
    flex: none;
  }

  .domain-grid,
  .difference-grid,
  .control-visual,
  .solution-grid,
  .demo-layout,
  .delivery-preview,
  .timeline,
  .quality-section,
  .company-section {
    grid-template-columns: 1fr;
  }

  .domain-showcase,
  .system-map {
    grid-template-columns: 1fr;
  }

  .domain-routes {
    height: 70px;
  }

  .domain-routes::before {
    top: 50%;
  }

  .domain-routes span {
    display: none;
  }

  .system-line {
    width: 2px;
    height: 24px;
    justify-self: center;
  }

  .case-phone-shell {
    min-height: 560px;
    padding: 18px;
  }

  .contact-section,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .site-header {
    height: 62px;
    padding: 0 16px;
  }

  .brand span:last-child {
    max-width: 88px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-cta {
    min-height: 36px;
    padding: 0 12px;
  }

  .hero {
    padding: 92px 18px 44px;
  }

  .hero-copy {
    font-size: 17px;
    line-height: 1.62;
  }

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

  .call-device {
    min-height: auto;
    padding: 18px;
    border-radius: 24px;
  }

  .sound-bars {
    height: 88px;
    margin: 18px 0;
  }

  .section {
    padding: 64px 18px;
  }

  .timeline li,
  .audit-panel,
  .case-phone-shell {
    padding: 18px;
  }

  .phone-bezel {
    width: min(100%, 350px);
    min-height: 590px;
  }

  .phone-call-screen {
    min-height: 566px;
  }

  .demo-toolbar {
    overflow-x: auto;
  }

  .quality-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .company-metrics {
    grid-template-columns: 1fr;
  }

  .domain-scenes {
    grid-template-columns: 1fr;
  }
}