:root {
  --bg: #f5f6f7;
  --panel: #ffffff;
  --ink: #151719;
  --muted: #5f6873;
  --line: #dde2e7;
  --red: #d71920;
  --red-dark: #aa1016;
  --blue: #183e68;
  --dark: #101820;
  --soft: #eef2f5;
  --shadow: 0 18px 44px rgba(21, 23, 25, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Lao", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 58px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(221, 226, 231, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  line-height: 1.15;
  font-size: 17px;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(14px, 2.8vw, 30px);
  font-size: 14px;
  font-weight: 750;
  color: #28323c;
}

.top-nav a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.top-nav a:hover {
  color: var(--red);
  border-color: var(--red);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(58px, 8vw, 108px) clamp(20px, 6vw, 88px);
  background:
    linear-gradient(90deg, rgba(9, 14, 20, 0.96) 0%, rgba(9, 14, 20, 0.78) 42%, rgba(9, 14, 20, 0.18) 100%),
    url("assets/generated/hero-ecosystem.webp") center / cover no-repeat,
    var(--dark);
  color: #fff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(transparent, #0f171f);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffb5b8;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 6.6vw, 78px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.18;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 1.9vw, 20px);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-weight: 800;
}

.btn.primary {
  background: var(--red);
  color: #fff;
}

.btn.primary:hover {
  background: var(--red-dark);
}

.btn.secondary {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero-console {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: clamp(18px, 2.4vw, 28px);
  align-self: end;
  background: rgba(23, 34, 44, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(16px);
}

.hero-console::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.console-top,
.signal-row {
  position: relative;
  z-index: 1;
}

.console-top {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
}

.console-top span {
  color: #ffb5b8;
  font-size: 12px;
  font-weight: 900;
}

.console-top strong {
  max-width: 300px;
  text-align: right;
  font-size: clamp(24px, 3vw, 42px);
  line-height: 1.02;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 4px;
}

.signal-row span {
  min-height: 82px;
  padding: 12px 10px;
  color: rgba(255, 255, 255, 0.82);
  text-align: left;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 800;
}

.signal-row b {
  display: block;
  color: #fff;
  font-size: 34px;
  line-height: 1;
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(20px, 6vw, 88px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1.14fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  background: var(--panel);
}

.intro p:last-child,
.section-heading p,
.scene-title p,
.contact-section p {
  color: var(--muted);
}

.section-heading {
  max-width: 880px;
  margin-bottom: 34px;
}

.hotel-lab {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  background:
    linear-gradient(90deg, rgba(15, 23, 31, 0.96), rgba(15, 23, 31, 0.82), rgba(15, 23, 31, 0.62)),
    url("assets/generated/hotel-command.webp") center / cover no-repeat,
    #0f171f;
  color: #fff;
}

.hotel-lab .section-kicker {
  color: #ffb5b8;
}

.hotel-lab-copy {
  position: sticky;
  top: 104px;
}

.hotel-lab-copy p:last-child {
  color: rgba(255, 255, 255, 0.72);
}

.hotel-experience {
  display: grid;
  gap: 18px;
}

.hotel-stage {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  padding: clamp(18px, 3vw, 32px);
  background:
    radial-gradient(circle at 50% 42%, rgba(215, 25, 32, 0.16), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.025));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  backdrop-filter: blur(4px);
}

.hotel-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.8;
}

.hotel-stage::after {
  content: "";
  position: absolute;
  inset: -30%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(215, 25, 32, 0.18) 32deg, transparent 70deg);
  animation: rotateSweep 9s linear infinite;
}

.hotel-map {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 456px;
  place-items: center;
}

.hotel-map img {
  width: min(86%, 680px);
  max-height: 430px;
  object-fit: contain;
  filter: drop-shadow(0 28px 35px rgba(0, 0, 0, 0.35));
  transform: perspective(900px) rotateX(2deg);
}

.hotel-radar {
  position: absolute;
  left: 50%;
  top: 52%;
  z-index: 1;
  width: min(70vw, 580px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow:
    inset 0 0 0 72px rgba(255, 255, 255, 0.02),
    inset 0 0 0 144px rgba(255, 255, 255, 0.015);
}

.hotel-node {
  position: absolute;
  z-index: 4;
  display: grid;
  place-items: center;
}

.hotel-node b {
  display: block;
  width: 13px;
  height: 13px;
  background: var(--red);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(215, 25, 32, 0.22);
}

.hotel-node i {
  position: absolute;
  top: 20px;
  left: 14px;
  min-width: 92px;
  padding: 7px 9px;
  color: #fff;
  background: rgba(215, 25, 32, 0.9);
  border-radius: 999px;
  font-size: 12px;
  font-style: normal;
  font-weight: 850;
  white-space: nowrap;
}

.node-arrival {
  left: 30%;
  top: 72%;
}

.node-lobby {
  left: 43%;
  top: 58%;
}

.node-elevator {
  left: 60%;
  top: 50%;
}

.node-room {
  left: 55%;
  top: 33%;
}

.node-safety {
  left: 38%;
  top: 47%;
}

.journey-panel {
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.journey-panel span {
  display: block;
  margin-bottom: 8px;
  color: #ffb5b8;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.journey-panel strong {
  display: block;
  margin-bottom: 14px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.16;
}

.journey-panel ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: hotel-step;
}

.journey-panel li {
  min-height: 86px;
  padding: 14px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  counter-increment: hotel-step;
}

.journey-panel li::before {
  content: "0" counter(hotel-step);
  display: block;
  margin-bottom: 6px;
  color: #ffb5b8;
  font-weight: 900;
}

.hotel-products {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.hotel-products article {
  min-height: 180px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.hotel-products article:hover {
  background: rgba(215, 25, 32, 0.18);
  border-color: rgba(255, 181, 184, 0.45);
  transform: translateY(-6px);
}

.hotel-products span {
  display: block;
  margin-bottom: 18px;
  color: #ffb5b8;
  font-weight: 900;
}

.hotel-products strong,
.hotel-products p {
  display: block;
}

.hotel-products strong {
  margin-bottom: 8px;
  font-size: 17px;
}

.hotel-products p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

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

.deep-dive {
  background: #f5f6f7;
}

.detail-story {
  position: relative;
  display: grid;
  grid-template-columns: minmax(330px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
  overflow: hidden;
  margin-bottom: clamp(28px, 5vw, 64px);
  padding: clamp(26px, 5vw, 62px);
  color: #fff;
  background: #0f171f;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(21, 23, 25, 0.14);
}

.detail-story::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.92;
  background: var(--detail-bg) center / cover no-repeat;
}

.detail-story::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 23, 31, 0.9), rgba(15, 23, 31, 0.5));
}

.detail-hotel {
  --detail-bg: url("assets/generated/hotel-command.webp");
}

.detail-commerce {
  --detail-bg: url("assets/generated/commerce-command.webp");
}

.detail-industrial {
  --detail-bg: url("assets/generated/industrial-command.webp");
}

.detail-bank {
  --detail-bg: url("assets/generated/hero-ecosystem.webp");
}

.detail-visual,
.detail-copy {
  position: relative;
  z-index: 1;
}

.detail-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: center;
}

.detail-visual img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
  filter: drop-shadow(0 24px 30px rgba(0, 0, 0, 0.35));
}

.detail-visual img:only-child {
  grid-column: 1 / -1;
  width: min(92%, 620px);
  justify-self: center;
}

.detail-copy span {
  display: block;
  margin-bottom: 10px;
  color: #ffb5b8;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.detail-copy h3 {
  max-width: 820px;
  font-size: clamp(30px, 4.2vw, 58px);
}

.detail-copy > p {
  max-width: 880px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 22px 0;
}

.process-line b {
  position: relative;
  min-height: 54px;
  padding: 12px 10px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  font-size: 13px;
}

.process-line b::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  height: 2px;
  background: var(--red);
  box-shadow: 0 0 14px rgba(215, 25, 32, 0.85);
}

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

.product-stack article {
  min-height: 162px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  backdrop-filter: blur(8px);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.product-stack article:hover {
  background: rgba(215, 25, 32, 0.2);
  border-color: rgba(255, 181, 184, 0.45);
  transform: translateY(-5px);
}

.product-stack strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  line-height: 1.25;
}

.product-stack p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.scene-section {
  padding-bottom: 0;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.scene-card {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.scene-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.08;
  pointer-events: none;
  background: var(--scene-bg, none) center / cover no-repeat;
}

#office,
#shop {
  --scene-bg: url("assets/generated/commerce-command.webp");
}

#hotel {
  --scene-bg: url("assets/generated/hotel-command.webp");
}

#mining,
#warehouse {
  --scene-bg: url("assets/generated/industrial-command.webp");
}

#bank {
  --scene-bg: url("assets/generated/hero-ecosystem.webp");
}

.scene-title {
  padding: 24px 24px 0;
}

.scene-title span {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.scene-title p {
  margin-bottom: 18px;
}

.scene-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin-bottom: 18px;
  padding: 8px 12px;
  color: #fff;
  background: var(--red);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 850;
}

.scene-link:hover {
  background: var(--red-dark);
}

.scene-stage {
  position: relative;
  min-height: 380px;
  margin: 0 16px 16px;
  background: #fbfcfd;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.scene-stage img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  padding: 24px;
  object-fit: contain;
}

.hotspot {
  position: absolute;
  left: var(--x);
  top: var(--y);
  z-index: 3;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  transform: translate(-50%, -50%);
  outline: 0;
}

.hotspot b,
.hotspot::before {
  position: absolute;
  content: "";
  border-radius: 50%;
}

.hotspot::before {
  width: 34px;
  height: 34px;
  background: rgba(215, 25, 32, 0.22);
  animation: hotspotPulse 2.2s infinite;
}

.hotspot b {
  width: 14px;
  height: 14px;
  background: var(--red);
  box-shadow: 0 0 0 4px #fff;
}

.hotspot i {
  position: absolute;
  left: 26px;
  bottom: 22px;
  width: min(260px, 48vw);
  padding: 14px;
  color: #fff;
  background: rgba(16, 24, 32, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(16, 24, 32, 0.28);
  font-style: normal;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px) scale(0.96);
  transition: opacity 180ms ease, transform 180ms ease;
}

.hotspot i strong {
  display: block;
  margin-bottom: 5px;
  color: #ffb5b8;
  font-size: 14px;
  line-height: 1.25;
}

.hotspot:hover i,
.hotspot:focus i {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@keyframes hotspotPulse {
  0% {
    transform: scale(0.75);
    opacity: 0.95;
  }
  70% {
    transform: scale(1.45);
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

.ecosystem {
  margin-top: clamp(44px, 7vw, 90px);
  background: var(--dark);
  color: #fff;
}

.ecosystem .section-kicker {
  color: #ffb5b8;
}

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

.ecosystem-grid article {
  min-height: 136px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.ecosystem-grid strong,
.ecosystem-grid span {
  display: block;
}

.ecosystem-grid strong {
  margin-bottom: 10px;
  font-size: 20px;
}

.ecosystem-grid span {
  color: rgba(255, 255, 255, 0.76);
}

.delivery {
  background: var(--panel);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  min-height: 180px;
  padding: 22px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  counter-increment: step;
}

.steps li::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: 18px;
  color: var(--red);
  font-weight: 900;
}

.steps strong,
.steps span {
  display: block;
}

.steps span {
  margin-top: 8px;
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1.14fr);
  gap: 28px;
  align-items: start;
  margin: clamp(24px, 5vw, 58px);
  padding: clamp(32px, 6vw, 58px);
  background: #111820;
  color: #fff;
  border-radius: 8px;
}

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

.contact-grid a,
.contact-grid div {
  display: block;
  min-height: 92px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.contact-grid span,
.contact-grid strong {
  display: block;
}

.contact-grid span {
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-grid strong {
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 6vw, 88px);
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
}

.site-footer a {
  color: var(--blue);
  font-weight: 750;
}

.scenario-page {
  background: #f6f7f8;
}

.scenario-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(58px, 8vw, 110px) clamp(20px, 6vw, 88px);
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8, 13, 18, 0.95), rgba(8, 13, 18, 0.76), rgba(8, 13, 18, 0.25)),
    var(--scenario-bg) center / cover no-repeat,
    #101820;
}

.scenario-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 28%;
  background: linear-gradient(transparent, rgba(16, 24, 32, 0.92));
  pointer-events: none;
}

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

.scenario-lao {
  margin: -10px 0 18px;
  color: #ffb5b8;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 850;
}

.scenario-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: center;
  padding: clamp(18px, 3vw, 34px);
  background:
    radial-gradient(circle at 50% 40%, rgba(215, 25, 32, 0.18), transparent 34%),
    rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  backdrop-filter: blur(12px);
}

.scenario-visual img {
  width: 100%;
  max-height: 460px;
  object-fit: contain;
  filter: drop-shadow(0 28px 36px rgba(0, 0, 0, 0.35));
}

.scenario-visual img:only-child {
  grid-column: 1 / -1;
  width: min(92%, 680px);
  justify-self: center;
}

.scenario-overview {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(360px, 1.22fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: start;
  background: var(--panel);
}

.scope-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.scope-list li {
  padding: 10px 14px;
  color: #25303a;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 800;
}

.why-hikvision {
  background: #111820;
  color: #fff;
}

.why-hikvision .section-kicker,
.linkage-section .section-kicker {
  color: #ffb5b8;
}

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

.why-grid article {
  min-height: 210px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.why-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.linkage-section {
  background:
    linear-gradient(90deg, rgba(15, 23, 31, 0.94), rgba(15, 23, 31, 0.78)),
    url("assets/generated/hero-ecosystem.webp") center / cover no-repeat;
  color: #fff;
}

.linkage-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.linkage-list li {
  position: relative;
  min-height: 158px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.linkage-list li::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 14px;
  height: 2px;
  background: var(--red);
  box-shadow: 0 0 14px rgba(215, 25, 32, 0.8);
}

.linkage-list span,
.linkage-list strong {
  display: block;
}

.linkage-list span {
  margin-bottom: 14px;
  color: #ffb5b8;
  font-weight: 950;
}

.linkage-list strong {
  line-height: 1.35;
}

.product-section {
  background: #f6f7f8;
}

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

.product-detail-card {
  overflow: hidden;
  min-height: 250px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(21, 23, 25, 0.07);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.product-detail-card:hover {
  border-color: rgba(215, 25, 32, 0.36);
  box-shadow: 0 22px 46px rgba(21, 23, 25, 0.12);
  transform: translateY(-5px);
}

.product-media {
  display: grid;
  min-height: 190px;
  place-items: center;
  padding: 18px;
  background:
    radial-gradient(circle at 50% 40%, rgba(215, 25, 32, 0.08), transparent 38%),
    linear-gradient(135deg, #ffffff, #eef2f5);
  border-bottom: 1px solid var(--line);
}

.official-media {
  align-content: center;
  gap: 10px;
  text-align: center;
}

.official-media span {
  color: var(--red);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
}

.official-media strong {
  max-width: 100%;
  color: #151719;
  font-size: clamp(24px, 2.5vw, 36px);
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.official-media a {
  justify-self: center;
  min-height: 34px;
  padding: 6px 12px;
  color: #fff;
  background: var(--red);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 850;
}

.official-media a:hover {
  background: var(--red-dark);
}

.product-card-body {
  padding: 18px;
}

.product-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.product-card-top span {
  color: var(--red);
  font-weight: 950;
}

.product-card-top b {
  max-width: 74%;
  padding: 4px 8px;
  color: #24303a;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.product-detail-card h3 {
  font-size: 21px;
}

.product-detail-card p {
  margin: 0;
  color: var(--muted);
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
  padding: 0;
  list-style: none;
}

.product-specs li {
  padding: 6px 8px;
  color: #26323c;
  background: #f3f5f7;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.product-env {
  display: block;
  color: var(--red);
  font-size: 13px;
  line-height: 1.5;
}

.local-team {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.18fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  margin: clamp(24px, 5vw, 58px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.local-team p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.map-hero {
  min-height: 620px;
}

.map-section {
  background: var(--panel);
}

.map-grid {
  display: grid;
  gap: 20px;
}

.map-card {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(360px, 1.2fr);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.map-copy {
  padding: clamp(22px, 4vw, 38px);
}

.map-copy h3 {
  font-size: clamp(28px, 3.4vw, 42px);
}

.map-copy p:not(.section-kicker) {
  color: var(--muted);
}

.map-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.map-secondary {
  color: var(--ink);
  border-color: var(--line);
}

.map-card iframe {
  width: 100%;
  min-height: 360px;
  border: 0;
}

@media (max-width: 1100px) {
  .hero,
  .intro,
  .hotel-lab,
  .detail-story,
  .contact-section,
  .scenario-hero,
  .scenario-overview,
  .local-team,
  .map-card {
    grid-template-columns: 1fr;
  }

  .hotel-lab-copy {
    position: static;
  }

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

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

  .ecosystem-grid,
  .steps,
  .why-grid,
  .product-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 860px) {
  .scene-grid,
  .linkage-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
  }

  .top-nav {
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 4px 16px;
  }

  .signal-row,
  .journey-panel ol,
  .hotel-products,
  .ecosystem-grid,
  .steps,
  .contact-grid,
  .why-grid,
  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .hotel-stage {
    min-height: 420px;
  }

  .hotel-map {
    min-height: 356px;
  }

  .hotel-map img {
    width: 96%;
  }

  .hotel-node i {
    min-width: auto;
    max-width: 120px;
    white-space: normal;
  }

  .scene-stage {
    min-height: auto;
  }

  .scene-stage img {
    min-height: 300px;
  }

  .hotspot {
    position: static;
    display: block;
    width: auto;
    height: auto;
    margin: 0 14px 10px;
    transform: none;
  }

  .hotspot::before,
  .hotspot b {
    display: none;
  }

  .hotspot i {
    position: static;
    display: block;
    width: auto;
    color: var(--ink);
    background: var(--soft);
    border-color: var(--line);
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

.hotspot i strong {
  color: var(--red);
}

.deep-dive {
  background: #f5f6f7;
}

.detail-story {
  position: relative;
  display: grid;
  grid-template-columns: minmax(330px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
  overflow: hidden;
  margin-bottom: clamp(28px, 5vw, 64px);
  padding: clamp(26px, 5vw, 62px);
  color: #fff;
  background: #0f171f;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(21, 23, 25, 0.14);
}

.detail-story::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.92;
  background: var(--detail-bg) center / cover no-repeat;
}

.detail-story::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 23, 31, 0.9), rgba(15, 23, 31, 0.5));
}

.detail-hotel {
  --detail-bg: url("assets/generated/hotel-command.webp");
}

.detail-commerce {
  --detail-bg: url("assets/generated/commerce-command.webp");
}

.detail-industrial {
  --detail-bg: url("assets/generated/industrial-command.webp");
}

.detail-bank {
  --detail-bg: url("assets/generated/hero-ecosystem.webp");
}

.detail-visual,
.detail-copy {
  position: relative;
  z-index: 1;
}

.detail-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: center;
}

.detail-visual img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
  filter: drop-shadow(0 24px 30px rgba(0, 0, 0, 0.35));
}

.detail-visual img:only-child {
  grid-column: 1 / -1;
  width: min(92%, 620px);
  justify-self: center;
}

.detail-copy span {
  display: block;
  margin-bottom: 10px;
  color: #ffb5b8;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.detail-copy h3 {
  max-width: 820px;
  font-size: clamp(30px, 4.2vw, 58px);
}

.detail-copy > p {
  max-width: 880px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 22px 0;
}

.process-line b {
  position: relative;
  min-height: 54px;
  padding: 12px 10px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  font-size: 13px;
}

.process-line b::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  height: 2px;
  background: var(--red);
  box-shadow: 0 0 14px rgba(215, 25, 32, 0.85);
}

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

.product-stack article {
  min-height: 162px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  backdrop-filter: blur(8px);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.product-stack article:hover {
  background: rgba(215, 25, 32, 0.2);
  border-color: rgba(255, 181, 184, 0.45);
  transform: translateY(-5px);
}

.product-stack strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  line-height: 1.25;
}

.product-stack p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.site-footer {
  display: block;
}

  .site-footer div {
    justify-content: flex-start;
    margin-top: 14px;
  }

  .detail-story,
  .detail-visual,
  .process-line,
  .product-stack {
    grid-template-columns: 1fr;
  }

  .detail-story {
    padding: 22px;
  }

  .detail-copy h3 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding-inline: 16px;
  }

  .brand small {
    max-width: 180px;
  }

  h1 {
    font-size: 38px;
  }

  .section,
  .contact-section {
    padding-inline: 16px;
  }

  .contact-section {
    margin-inline: 16px;
  }
}