:root {
  --ink: #171819;
  --paper: #f6f3ee;
  --muted: #6f7479;
  --line: rgba(23, 24, 25, 0.12);
  --white: #ffffff;
  --red: #d73b31;
  --red-dark: #a92c26;
  --teal: #1e8f8a;
  --amber: #d59d34;
  --carbon: #0f1112;
  --glass: rgba(255, 255, 255, 0.1);
  --shadow: 0 24px 70px rgba(12, 15, 18, 0.22);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--carbon);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
}

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

button {
  font: inherit;
}

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

.site-header {
  position: fixed;
  z-index: 40;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 44px;
  color: var(--white);
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.site-header.scrolled {
  padding: 14px 34px;
  background: rgba(15, 17, 18, 0.9);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: var(--white);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-text {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.brand-text strong {
  overflow-wrap: anywhere;
  font-size: 16px;
  letter-spacing: 0;
}

.brand-text small {
  color: rgba(255, 255, 255, 0.68);
  font-size: 10px;
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}

.main-nav a {
  position: relative;
  padding: 8px 0;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--red);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.side-nav {
  position: fixed;
  z-index: 30;
  top: 50%;
  left: 0;
  display: grid;
  gap: 8px;
  transform: translateY(-50%);
}

.side-nav a {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 44px;
  padding: 5px 0 5px 32px;
  color: rgba(255, 255, 255, 0.55);
  font-family: Arial, sans-serif;
  font-weight: 700;
}

.side-nav a::before {
  position: absolute;
  left: 0;
  width: 20px;
  height: 1px;
  background: currentColor;
  content: "";
  transition: width 0.25s ease, background 0.25s ease;
}

.side-nav span {
  width: 18px;
}

.side-nav b {
  overflow: hidden;
  width: 0;
  white-space: nowrap;
  transition: width 0.25s ease;
}

.side-nav a.active,
.side-nav a:hover {
  color: var(--red);
}

.side-nav a.active::before,
.side-nav a:hover::before {
  width: 88px;
}

.side-nav a.active b,
.side-nav a:hover b {
  width: 78px;
}

.float-contact {
  position: fixed;
  z-index: 35;
  right: 22px;
  top: 42%;
  display: grid;
  gap: 10px;
}

.float-contact a,
.float-contact button {
  position: relative;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(15, 17, 18, 0.78);
  color: var(--white);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
  cursor: pointer;
}

.float-contact b {
  position: absolute;
  right: 58px;
  width: max-content;
  padding: 4px 9px;
  background: var(--red);
  color: var(--white);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.float-contact a:hover b,
.float-contact button:hover b {
  opacity: 1;
  transform: translateX(0);
}

.float-icon {
  font-weight: 800;
}

.chatbot-panel {
  position: fixed;
  z-index: 50;
  right: 88px;
  top: 50%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(370px, calc(100vw - 118px));
  height: min(620px, calc(100vh - 96px));
  max-height: calc(100vh - 96px);
  overflow: hidden;
  border: 1px solid rgba(15, 17, 18, 0.08);
  background: #f4f4f4;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.22);
  opacity: 0;
  pointer-events: none;
  transform: translate(16px, -50%) scale(0.98);
  transform-origin: right center;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.chatbot-panel.open {
  opacity: 1;
  pointer-events: auto;
  transform: translate(0, -50%) scale(1);
}

.chatbot-panel.is-dragging {
  transition: none;
}

.chatbot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
  padding: 10px 14px 10px 18px;
  background: #111314;
  color: var(--white);
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.chatbot-panel.is-dragging .chatbot-header {
  cursor: grabbing;
}

.chatbot-header div {
  display: grid;
  gap: 1px;
}

.chatbot-header strong {
  font-size: 15px;
  line-height: 1.2;
}

.chatbot-header span {
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
}

.chatbot-header button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.76);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.chatbot-body {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 0;
  overflow-y: auto;
  padding: 14px 14px 18px;
  color: #1f2326;
}

.chat-service-tip {
  margin: 0 0 2px;
  color: #b6b6b6;
  font-size: 13px;
  text-align: center;
}

.chat-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.chat-row.user {
  justify-content: flex-end;
}

.chat-avatar {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(215, 59, 49, 0.14);
  background: var(--white);
  color: var(--red);
  font-size: 11px;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
}

.chat-card,
.chat-bubble {
  max-width: min(280px, calc(100vw - 150px));
  background: var(--white);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.06);
}

.chat-card {
  overflow: hidden;
  border-radius: 0 12px 12px 12px;
}

.chat-intro {
  margin: 0;
  padding: 14px 16px 12px;
  color: #2450b7;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.45;
}

.chat-options {
  display: grid;
  border-top: 1px solid #ececec;
}

.chat-options button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 0 14px 0 16px;
  border: 0;
  border-bottom: 1px solid #ececec;
  background: var(--white);
  color: #2b3034;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.chat-options button:last-child {
  border-bottom: 0;
}

.chat-options button:hover {
  background: #fff7f6;
  color: var(--red);
}

.chat-options span {
  overflow-wrap: anywhere;
}

.chat-options i {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-top: 1px solid #b6b6b6;
  border-right: 1px solid #b6b6b6;
  transform: rotate(45deg);
}

.chat-bubble {
  padding: 11px 14px;
  border-radius: 0 12px 12px 12px;
  color: #2b3034;
  font-size: 14px;
  line-height: 1.6;
}

.chat-bubble p {
  margin: 0;
}

.chat-bubble a {
  color: var(--red);
  font-weight: 800;
}

.chat-reply {
  display: grid;
  gap: 10px;
}

.chat-reply-title,
.chat-reply-note {
  margin: 0;
}

.chat-reply-title {
  color: #1f2326;
  font-weight: 800;
}

.chat-reply-note {
  color: #4b5054;
}

.chat-reply ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chat-reply li,
.chat-contact-line {
  display: grid;
  gap: 3px;
  padding: 8px 10px;
  background: #f7f7f7;
  border-left: 3px solid rgba(215, 59, 49, 0.82);
}

.chat-reply li span,
.chat-contact-line span {
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
}

.chat-reply li b,
.chat-contact-line b {
  color: #2b3034;
  font-weight: 600;
}

.chat-contact-line a {
  width: max-content;
  font-size: 18px;
  line-height: 1.25;
}

.chat-row.user .chat-bubble {
  border-radius: 12px 0 12px 12px;
  background: var(--red);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(215, 59, 49, 0.18);
}

.chat-time {
  color: #b6b6b6;
  font-size: 12px;
}

.section-shell {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  background: var(--carbon);
  color: var(--white);
}

.section-shell.light {
  background: var(--paper);
  color: var(--ink);
}

.section-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
}

.hero {
  min-height: 92vh;
  padding-top: 90px;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(15, 17, 18, 0.93) 0%, rgba(15, 17, 18, 0.74) 35%, rgba(15, 17, 18, 0.3) 100%),
    linear-gradient(180deg, rgba(15, 17, 18, 0.2), rgba(15, 17, 18, 0.9));
}

.hero-inner {
  display: grid;
  min-height: calc(92vh - 90px);
  grid-template-columns: minmax(760px, 1fr) 360px;
  gap: 40px;
  align-items: center;
  padding: 60px 0 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 980px;
  margin: 0;
  color: var(--white);
  font-size: clamp(44px, 4.6vw, 68px);
  line-height: 1.08;
  letter-spacing: 0;
  white-space: nowrap;
}

.hero-lede {
  max-width: 640px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: background 0.25s ease, color 0.25s ease, border 0.25s ease, transform 0.25s ease;
}

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

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

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

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.26);
  color: var(--white);
}

.btn.ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.btn.full {
  width: 100%;
}

.hero-panel {
  align-self: end;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(15, 17, 18, 0.66);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel span {
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
}

.hero-panel strong {
  display: block;
  margin-top: 12px;
  font-size: 22px;
  line-height: 1.35;
}

.hero-panel p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.split-layout {
  display: grid;
  min-height: 78vh;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: center;
  padding: 90px 0;
}

.section-title h2,
.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-title p:not(.eyebrow),
.section-heading p:not(.eyebrow) {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.68);
}

.section-title.inverted h2,
.section-title.inverted p:not(.eyebrow) {
  color: var(--white);
}

.about-content {
  color: #34383b;
  font-size: 16px;
}

.about-content p {
  margin: 0 0 16px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: var(--line);
}

.metric-grid div {
  padding: 22px 14px;
  background: var(--paper);
}

.metric-grid strong {
  display: block;
  color: var(--red);
  font-size: 30px;
  line-height: 1;
}

.metric-grid span {
  color: var(--muted);
  font-size: 14px;
}

.services {
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(15, 17, 18, 0.94), rgba(15, 17, 18, 0.74)),
    radial-gradient(circle at 78% 18%, rgba(30, 143, 138, 0.28), transparent 32%),
    linear-gradient(135deg, #161210, #111415 55%, #181614);
}

.service-grid {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 45% 55%;
  gap: 30px;
  align-items: center;
  padding: 90px 0 78px;
}

.service-left {
  padding-left: 64px;
}

.service-menu {
  display: grid;
  gap: 8px;
  margin-top: 32px;
}

.service-item {
  display: grid;
  grid-template-columns: 42px 74px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  width: 100%;
  padding: 8px 0;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  text-align: left;
  cursor: pointer;
}

.service-no {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.8);
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.service-item i {
  display: block;
  width: 42px;
  height: 1px;
  background: rgba(255, 255, 255, 0.24);
  transition: width 0.25s ease, background 0.25s ease;
}

.service-item strong {
  display: block;
  font-size: 16px;
  line-height: 1.3;
}

.service-item small {
  color: rgba(255, 255, 255, 0.42);
  font-family: Arial, sans-serif;
  font-size: 11px;
  text-transform: uppercase;
}

.service-item.active,
.service-item:hover {
  color: var(--white);
}

.service-item.active .service-no,
.service-item:hover .service-no {
  border-color: var(--red);
  background: var(--red);
}

.service-item.active i,
.service-item:hover i {
  width: 74px;
  background: var(--red);
}

.service-right {
  position: relative;
  min-height: 560px;
}

.service-visual {
  position: absolute;
  top: 10px;
  right: 0;
  width: min(92%, 630px);
  height: 390px;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.orbit-one {
  inset: 14px 80px 70px 30px;
}

.orbit-two {
  inset: 64px 20px 20px 104px;
  border-color: rgba(30, 143, 138, 0.32);
}

.screen-stack {
  position: absolute;
  inset: 38px 10px 12px 44px;
  perspective: 900px;
}

.screen {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(14px);
}

.screen.top {
  top: 0;
  right: 30px;
  width: 68%;
  height: 46%;
  transform: rotateY(-18deg) rotateX(6deg);
}

.screen.middle {
  right: 120px;
  bottom: 74px;
  width: 56%;
  height: 38%;
  background: rgba(215, 59, 49, 0.14);
  transform: rotateY(-24deg);
}

.screen.bottom {
  right: 14px;
  bottom: 0;
  width: 48%;
  height: 32%;
  background: rgba(30, 143, 138, 0.14);
  transform: rotateY(-14deg);
}

.screen span,
.screen b,
.screen em {
  position: absolute;
  display: block;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
}

.screen.top span:nth-child(1) {
  top: 28px;
  left: 28px;
  width: 44%;
  height: 8px;
}

.screen.top span:nth-child(2) {
  top: 58px;
  left: 28px;
  width: 68%;
  height: 8px;
}

.screen.top span:nth-child(3) {
  right: 30px;
  bottom: 26px;
  width: 82px;
  height: 82px;
  border: 12px solid rgba(213, 157, 52, 0.75);
  background: transparent;
  border-radius: 50%;
}

.screen.middle b {
  bottom: 26px;
  width: 28px;
  background: var(--red);
  border-radius: 0;
}

.screen.middle b:nth-child(1) {
  left: 34px;
  height: 42px;
}

.screen.middle b:nth-child(2) {
  left: 80px;
  height: 72px;
}

.screen.middle b:nth-child(3) {
  left: 126px;
  height: 56px;
}

.screen.bottom em:nth-child(1) {
  top: 28px;
  left: 24px;
  width: 74%;
  height: 6px;
}

.screen.bottom em:nth-child(2) {
  top: 54px;
  left: 24px;
  width: 52%;
  height: 6px;
}

.screen.bottom em:nth-child(3) {
  right: 24px;
  bottom: 22px;
  width: 46px;
  height: 46px;
  background: var(--teal);
}

.service-detail {
  position: absolute;
  right: 26px;
  bottom: 22px;
  width: min(560px, 86%);
  padding: 34px 40px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.detail-kicker {
  margin: 0 0 8px;
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.service-detail h3 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.service-detail p {
  margin: 16px 0;
  color: #474b4f;
}

.service-detail ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-detail li {
  position: relative;
  padding-left: 18px;
  color: #2f3336;
  font-size: 14px;
}

.service-detail li::before {
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--red);
  content: "";
}

.section-heading {
  max-width: 100%;
  margin-bottom: 44px;
}

.section-heading h2 {
  white-space: nowrap;
}

.process {
  min-height: 84vh;
  padding: 96px 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}

.process-card {
  min-height: 270px;
  padding: 30px;
  background: var(--paper);
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.process-card:hover {
  background: var(--ink);
  color: var(--white);
  transform: translateY(-6px);
}

.process-card span {
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 34px;
  font-weight: 800;
}

.process-card h3 {
  margin: 44px 0 14px;
  font-size: 22px;
}

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

.process-card:hover p {
  color: rgba(255, 255, 255, 0.72);
}

.cases {
  min-height: 88vh;
  background:
    linear-gradient(90deg, rgba(15, 17, 18, 0.96), rgba(15, 17, 18, 0.86)),
    linear-gradient(135deg, rgba(215, 59, 49, 0.2), transparent 36%),
    linear-gradient(315deg, rgba(213, 157, 52, 0.16), transparent 38%),
    #111312;
  padding: 100px 0;
}

.case-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 70px;
  align-items: center;
}

.case-list {
  display: grid;
  gap: 16px;
}

.case-card {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  transition: border 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.case-card:hover {
  border-color: rgba(215, 59, 49, 0.8);
  background: rgba(215, 59, 49, 0.12);
  transform: translateX(8px);
}

.case-card strong {
  font-size: 22px;
}

.case-card p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.contact {
  min-height: 78vh;
  padding: 82px 0;
}

.contact .section-inner {
  width: min(100% - 260px, 1180px);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(480px, 1.1fr);
  gap: 22px 56px;
  align-items: stretch;
}

.contact-copy {
  grid-column: 1 / -1;
  min-width: 0;
}

.contact-copy p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.contact-box {
  align-self: stretch;
  padding: 24px 28px;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(18, 22, 24, 0.12);
}

.contact-box dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.contact-box dl div {
  display: grid;
  gap: 5px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
}

.contact-box dt {
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
}

.contact-box dd {
  margin: 0;
  color: #2d3134;
  font-size: 15px;
  line-height: 1.52;
  overflow-wrap: anywhere;
}

.contact-map {
  display: grid;
  grid-template-rows: auto auto;
  align-self: stretch;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(18, 22, 24, 0.12);
}

.map-visual {
  position: relative;
  overflow: hidden;
  height: clamp(260px, 24vw, 320px);
  min-height: 0;
  background: #ece9e4;
}

.map-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.map-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 0;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.register-page {
  background: var(--paper);
}

.register-page .site-header {
  padding-right: 98px;
}

.register-close {
  position: fixed;
  z-index: 45;
  top: 18px;
  right: 28px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-size: 28px;
  line-height: 1;
  transition: background 0.2s ease, transform 0.2s ease;
}

.register-close:hover {
  background: var(--red);
  transform: translateY(-2px);
}

.register-hero {
  min-height: calc(100vh - 72px);
  padding: 132px 0 96px;
}

.register-layout {
  display: grid;
  justify-items: center;
}

.lead-form {
  display: grid;
  gap: 18px;
  width: min(560px, 100%);
  padding: 34px;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(18, 22, 24, 0.12);
}

.form-field {
  display: grid;
  gap: 8px;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-field label {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(23, 24, 25, 0.16);
  background: #fbfaf8;
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-field input {
  min-height: 48px;
  padding: 0 14px;
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
  padding: 12px 14px;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--red);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(215, 59, 49, 0.12);
}

.field-hint,
.field-error,
.form-status {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
}

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

.field-error {
  min-height: 20px;
  color: var(--red);
}

.form-submit {
  width: 100%;
  margin-top: 4px;
  border: 0;
  cursor: pointer;
}

.form-submit:disabled {
  cursor: not-allowed;
  opacity: 0.68;
  transform: none;
}

.form-status {
  min-height: 22px;
  color: var(--muted);
  text-align: center;
}

.form-status.success {
  color: var(--teal);
}

.form-status.error {
  color: var(--red);
}

.lead-modal {
  position: fixed;
  z-index: 70;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.lead-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.lead-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 17, 18, 0.72);
  backdrop-filter: blur(8px);
}

.lead-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(560px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  overflow-y: auto;
  background: var(--white);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
  transform: translateY(16px) scale(0.98);
  transition: transform 0.22s ease;
}

.lead-modal.open .lead-modal-dialog {
  transform: translateY(0) scale(1);
}

.lead-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(23, 24, 25, 0.12);
  background: var(--white);
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lead-modal-close:hover {
  background: var(--red);
  color: var(--white);
}

.lead-modal-head {
  padding: 34px 34px 0;
}

.lead-modal-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: 30px;
  line-height: 1.2;
}

.modal-form {
  width: 100%;
  box-shadow: none;
}

body.lead-modal-open {
  overflow: hidden;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  justify-content: center;
  padding: 24px;
  background: #0b0c0d;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .site-header {
    padding: 18px 24px;
  }

  .main-nav {
    gap: 18px;
  }

  .hero-inner,
  .split-layout,
  .service-grid,
  .case-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-copy {
    grid-column: auto;
  }

  .hero-panel {
    max-width: 520px;
  }

  .split-layout {
    gap: 34px;
    min-height: auto;
  }

  .service-grid {
    min-height: auto;
    padding: 96px 0;
  }

  .service-left {
    padding-left: 0;
  }

  .service-right {
    min-height: 520px;
  }

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

}

@media (max-width: 780px) {
  body.nav-open {
    overflow: hidden;
  }

  .site-header,
  .site-header.scrolled {
    padding: 14px 16px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-text strong {
    max-width: 210px;
    font-size: 14px;
  }

  .brand-text small {
    display: none;
  }

  .register-page .site-header {
    padding-right: 68px;
  }

  .register-close {
    top: 13px;
    right: 16px;
    width: 40px;
    height: 40px;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    inset: 68px 14px auto 14px;
    display: grid;
    gap: 0;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(15, 17, 18, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .main-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .main-nav a {
    padding: 12px;
  }

  .side-nav {
    display: none;
  }

  .float-contact {
    right: 14px;
    top: auto;
    bottom: 18px;
  }

  .float-contact a,
  .float-contact button {
    width: 44px;
    height: 44px;
  }

  .chatbot-panel {
    right: 14px;
    top: auto;
    bottom: 118px;
    width: min(360px, calc(100vw - 28px));
    height: min(560px, calc(100vh - 150px));
    max-height: calc(100vh - 150px);
    transform: translateY(16px) scale(0.98);
  }

  .chatbot-panel.open {
    transform: translateY(0) scale(1);
  }

  .chat-card,
  .chat-bubble {
    max-width: calc(100vw - 98px);
  }

  .section-inner {
    width: min(100% - 32px, 1180px);
  }

  .hero {
    min-height: 90vh;
    padding-top: 70px;
  }

  .hero-inner {
    min-height: calc(90vh - 70px);
    gap: 22px;
    padding: 44px 0 52px;
  }

  .hero h1 {
    font-size: 42px;
    white-space: normal;
  }

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

  .hero-actions {
    margin-top: 26px;
  }

  .btn {
    min-height: 44px;
    padding: 0 18px;
  }

  .hero-panel {
    padding: 22px;
  }

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

  .service-menu {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .service-item {
    grid-template-columns: 1fr;
    gap: 6px;
    align-content: start;
    min-height: 112px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
  }

  .service-item i {
    display: none;
  }

  .service-right {
    min-height: auto;
  }

  .service-visual {
    position: relative;
    width: 100%;
    height: 280px;
  }

  .service-detail {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    padding: 28px;
  }

  .process,
  .cases,
  .contact,
  .register-hero {
    padding: 76px 0;
  }

  .contact .section-inner {
    width: min(100% - 32px, 1180px);
  }

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

  .process-card {
    min-height: 210px;
  }

  .contact-box {
    padding: 24px;
  }

  .contact-map {
    min-height: auto;
  }

  .map-visual {
    min-height: 260px;
  }

  .map-actions {
    padding: 18px 20px 20px;
  }

  .map-actions .btn {
    width: 100%;
  }

  .register-hero {
    padding-top: 104px;
  }

  .lead-form {
    padding: 24px;
  }

  .lead-modal {
    padding: 14px;
  }

  .lead-modal-dialog {
    max-height: calc(100vh - 28px);
  }

  .lead-modal-head {
    padding: 28px 24px 0;
  }

  .lead-modal-head h2 {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 34px;
  }

  .section-title h2,
  .section-heading h2,
  .contact-copy h2 {
    font-size: 28px;
    white-space: normal;
  }

  .service-menu {
    grid-template-columns: 1fr;
  }

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

  .screen.top {
    width: 76%;
  }

  .screen.middle {
    right: 74px;
    width: 62%;
  }

  .screen.bottom {
    width: 58%;
  }

  .site-footer {
    padding-bottom: 78px;
  }

  .chatbot-panel {
    left: 10px;
    right: 10px;
    bottom: 116px;
    width: auto;
    height: min(520px, calc(100vh - 140px));
    max-height: calc(100vh - 140px);
  }

  .chatbot-body {
    padding: 12px 10px 16px;
  }

  .chat-intro {
    font-size: 14px;
  }
}