@charset "UTF-8";

/* ============================================================
   世弘自动化 · 泵车远程视频监控系统
   Promotional landing page
   ============================================================ */

:root {
  --ink: #071014;
  --ink-2: #0b181d;
  --ink-3: #102228;
  --paper: #f4f1ea;
  --paper-2: #ebe7de;
  --white: #ffffff;
  --text: #142022;
  --muted: #5c6967;
  --muted-light: #9caeaf;
  --orange: #d94012;
  --orange-bright: #ff7040;
  --orange-deep: #b8310b;
  --teal: #67e8d8;
  --teal-deep: #0c766c;
  --line-dark: rgba(7, 16, 20, 0.13);
  --line-light: rgba(255, 255, 255, 0.13);
  --font-sans: "MiSans", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-latin: "Bahnschrift", "DIN Alternate", "Roboto Condensed", "Arial Narrow", Arial, sans-serif;
  --container: 1240px;
  --radius: 4px;
  --shadow-soft: 0 24px 60px rgba(7, 16, 20, 0.1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  border: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

p,
h1,
h2,
h3,
h4,
dl,
dd,
figure {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

::selection {
  background: var(--orange-bright);
  color: #071014;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  padding: 10px 16px;
  background: var(--orange);
  color: var(--white);
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: none;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 130;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--teal));
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ---------- Typography / shared ---------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--orange-bright);
  font-family: var(--font-latin);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.17em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow-slash {
  opacity: 0.36;
  letter-spacing: 0;
}

.eyebrow-en {
  font-weight: 400;
  opacity: 0.72;
  letter-spacing: 0.18em;
}

.eyebrow-dark {
  color: var(--orange-deep);
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(103, 232, 216, 0.12), 0 0 18px rgba(103, 232, 216, 0.55);
  animation: pulse-dot 2.8s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.82); }
}

.section {
  position: relative;
  padding: clamp(76px, 9vw, 132px) 0;
  overflow: clip;
}

.section-paper {
  background: var(--paper);
  color: var(--text);
}

.section-dark {
  background: var(--ink);
  color: #f4f8f7;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.62fr);
  align-items: end;
  gap: clamp(28px, 5vw, 84px);
  margin-bottom: clamp(40px, 5vw, 68px);
}

.section-head h2 {
  margin-top: 18px;
  color: var(--text);
  font-size: clamp(2.1rem, 4.3vw, 3.85rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.1;
  text-wrap: balance;
}

.section-dark .section-head h2 {
  color: #f4f8f7;
}

.section-head .lead {
  max-width: 500px;
  padding-bottom: 4px;
}

.lead {
  color: var(--muted);
  font-size: clamp(0.95rem, 1.2vw, 1.03rem);
  line-height: 1.9;
}

.section-dark .lead {
  color: var(--muted-light);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(217, 64, 18, 0.42);
  color: var(--orange-deep);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.text-link:hover {
  border-color: currentColor;
  color: var(--orange);
}

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

.text-link:hover span {
  transform: translateY(3px);
}

.text-link-light {
  border-color: rgba(103, 232, 216, 0.34);
  color: var(--teal);
}

.text-link-light:hover {
  color: #b5fff6;
}

.text-link-light:hover span {
  transform: translate(3px, -3px);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
  text-align: center;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

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

.btn-arrow {
  font-family: var(--font-latin);
  font-size: 1.06em;
  font-weight: 400;
  line-height: 1;
  transition: transform 0.22s ease;
}

.btn:hover .btn-arrow {
  transform: translate(2px, -2px);
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(217, 64, 18, 0.22);
}

.btn-primary:hover {
  background: #e94a19;
  box-shadow: 0 14px 34px rgba(217, 64, 18, 0.3);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.025);
  color: #eaf2f1;
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.07);
}

.btn-outline {
  border-color: rgba(7, 16, 20, 0.2);
  background: transparent;
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.btn-sm {
  min-height: 40px;
  padding-inline: 16px;
  font-size: 0.8rem;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}

.site-header.is-scrolled,
body.nav-open .site-header {
  border-color: rgba(255, 255, 255, 0.09);
  background: rgba(7, 16, 20, 0.9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  height: 82px;
  align-items: center;
  gap: 34px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 13px;
}

.brand-mark {
  width: 38px;
  height: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.2;
}

.brand-text strong {
  color: #f4f8f7;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.brand-text small {
  color: #91a4a4;
  font-size: 0.61rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: clamp(16px, 2.1vw, 30px);
}

.site-nav a {
  position: relative;
  padding: 9px 0;
  color: #b2c0c0;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.site-nav .mobile-nav-cta {
  display: none;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 1px;
  background: var(--orange-bright);
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform 0.24s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: #ffffff;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: 0 50%;
}

.header-cta {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 20px;
}

.header-phone {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.25;
}

.header-phone span {
  color: #91a4a4;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.header-phone strong {
  color: #e7efee;
  font-family: var(--font-latin);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.menu-toggle {
  position: relative;
  display: none;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: transparent;
}

.menu-toggle span {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1px;
  background: #e9f1f0;
  transition: transform 0.25s ease, opacity 0.25s ease, top 0.25s ease;
}

.menu-toggle span:nth-child(1) { top: 14px; }
.menu-toggle span:nth-child(2) { top: 20px; }
.menu-toggle span:nth-child(3) { top: 26px; }

body.nav-open .menu-toggle span:nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
}

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

body.nav-open .menu-toggle span:nth-child(3) {
  top: 20px;
  transform: rotate(-45deg);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 146px 0 0;
  background: var(--ink);
  color: #f4f8f7;
  overflow: clip;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse at 60% 30%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse at 60% 30%, #000 0%, transparent 72%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -220px;
  width: 700px;
  height: 700px;
  border: 1px solid rgba(103, 232, 216, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(103, 232, 216, 0.018), 0 0 0 180px rgba(103, 232, 216, 0.014);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(12px);
}

.hero-glow-a {
  top: 4%;
  right: 4%;
  width: 46vw;
  height: 46vw;
  background: radial-gradient(circle, rgba(103, 232, 216, 0.1), transparent 66%);
}

.hero-glow-b {
  bottom: 2%;
  left: -10%;
  width: 44vw;
  height: 44vw;
  background: radial-gradient(circle, rgba(255, 112, 64, 0.13), transparent 66%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: clamp(36px, 4.5vw, 76px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding: 44px 0 48px;
}

.eyebrow-hero {
  color: #d9e7e5;
  font-size: 0.66rem;
}

.eyebrow-hero .eyebrow-dot {
  width: 6px;
  height: 6px;
}

.eyebrow-hero .eyebrow-slash {
  margin-inline: 2px;
  color: var(--orange-bright);
  opacity: 0.8;
}

.eyebrow-hero .eyebrow-en {
  color: #95a9a9;
  opacity: 1;
}

.hero h1 {
  margin: 27px 0 28px;
  color: #f6f9f8;
  font-size: clamp(3.1rem, 5.7vw, 5.35rem);
  font-weight: 850;
  letter-spacing: -0.06em;
  line-height: 1.03;
  text-wrap: balance;
}

.hero h1 em {
  position: relative;
  display: inline-block;
  color: var(--orange-bright);
  font-style: normal;
}

.hero h1 em::after {
  content: "";
  position: absolute;
  right: 2px;
  bottom: -0.08em;
  left: 2px;
  height: 0.055em;
  background: linear-gradient(90deg, rgba(255, 112, 64, 0.75), rgba(255, 112, 64, 0.04));
}

.hero-lede {
  max-width: 550px;
  color: #aebfbe;
  font-size: clamp(1rem, 1.35vw, 1.13rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin: 34px 0 30px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 11px 22px;
  list-style: none;
  color: #c0cecc;
  font-size: 0.8rem;
}

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

.hero-points .icon {
  width: 13px;
  height: 13px;
  color: var(--teal);
  stroke-width: 2;
}

.hero-visual {
  position: relative;
  z-index: 1;
  align-self: center;
  padding: 10px 0;
}

.vision-console {
  position: relative;
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(22, 45, 51, 0.96), rgba(6, 14, 17, 0.98));
  box-shadow:
    0 44px 100px rgba(0, 0, 0, 0.56),
    0 0 0 1px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transform: perspective(1500px) rotateY(-4.5deg) rotateX(2.2deg);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.vision-console::before {
  content: "";
  position: absolute;
  inset: 8% -6% -8%;
  z-index: -1;
  border-radius: 24px;
  background: radial-gradient(ellipse at 50% 50%, rgba(103, 232, 216, 0.14), transparent 66%);
  filter: blur(26px);
  pointer-events: none;
}

.vision-console:hover {
  transform: perspective(1500px) rotateY(-1.5deg) rotateX(0.6deg);
}

.console-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 3px 4px 11px;
  color: #879b9b;
  font-family: var(--font-latin);
  font-size: 0.63rem;
  letter-spacing: 0.08em;
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ffad90;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.live-pill i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #ff5a2e;
  box-shadow: 0 0 10px rgba(255, 90, 46, 0.8);
  animation: live-blink 1.6s ease-in-out infinite;
}

@keyframes live-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.console-id {
  color: #c7d5d4;
  letter-spacing: 0.09em;
}

.console-net {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #a8bcbb;
}

.signal-bars {
  display: inline-flex;
  height: 10px;
  align-items: flex-end;
  gap: 2px;
}

.signal-bars i {
  display: block;
  width: 2px;
  background: var(--teal);
  opacity: 0.85;
}

.signal-bars i:nth-child(1) { height: 3px; }
.signal-bars i:nth-child(2) { height: 5px; }
.signal-bars i:nth-child(3) { height: 7px; }
.signal-bars i:nth-child(4) { height: 9px; }

.console-screen {
  position: relative;
  aspect-ratio: 800 / 520;
  overflow: hidden;
  border-radius: 10px;
  background: #0a1a1e;
}

.feed-svg {
  width: 100%;
  height: 100%;
}

.feed-drift {
  animation: feed-drift 18s ease-in-out infinite alternate;
  transform-box: view-box;
  transform-origin: center;
}

@keyframes feed-drift {
  0% { transform: scale(1.015) translate(0, 0); }
  100% { transform: scale(1.035) translate(-7px, -4px); }
}

.target-box {
  animation: target-breathe 3.6s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}

@keyframes target-breathe {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 0.55; }
}

.screen-scan {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(103, 232, 216, 0.55), transparent);
  box-shadow: 0 0 12px rgba(103, 232, 216, 0.2);
  animation: scan-screen 7s linear infinite;
  pointer-events: none;
}

@keyframes scan-screen {
  0% { transform: translateY(0); opacity: 0; }
  6% { opacity: 0.75; }
  58% { opacity: 0.45; }
  64%, 100% { transform: translateY(430px); opacity: 0; }
}

.screen-hud {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

.screen-hud-top {
  top: 13px;
  left: 14px;
}

.hud-chip {
  padding: 5px 7px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 2px;
  background: rgba(4, 12, 14, 0.36);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #d6e4e2;
  font-family: var(--font-latin);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  line-height: 1;
}

.hud-chip-accent {
  border-color: rgba(255, 112, 64, 0.42);
  color: #ffb69c;
}

.screen-hud-bottom {
  right: 15px;
  bottom: 11px;
  color: rgba(217, 232, 230, 0.62);
  font-family: var(--font-latin);
  font-size: 0.54rem;
  letter-spacing: 0.09em;
}

.pip {
  position: absolute;
  right: 14px;
  bottom: 39px;
  width: 30%;
  overflow: hidden;
  border: 1px solid rgba(103, 232, 216, 0.45);
  border-radius: 4px;
  background: #071417;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
}

.pip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-bottom: 1px solid rgba(103, 232, 216, 0.18);
  color: #bfe8e3;
  font-family: var(--font-latin);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
}

.pip-head span:last-child {
  color: #6f9290;
}

.pip svg {
  width: 100%;
  height: auto;
}

.console-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 4px 2px;
}

.view-tabs {
  display: inline-flex;
  gap: 3px;
}

.view-tabs span {
  padding: 5px 8px;
  border-radius: 2px;
  color: #728889;
  font-size: 0.62rem;
  line-height: 1;
}

.view-tabs span.is-active {
  background: rgba(255, 255, 255, 0.1);
  color: #e1ecea;
}

.console-zoom {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 7px;
  max-width: 128px;
  color: #7d9393;
  font-family: var(--font-latin);
  font-size: 0.55rem;
}

.zoom-track {
  position: relative;
  height: 2px;
  flex: 1;
  background: rgba(255, 255, 255, 0.15);
}

.zoom-track i {
  position: absolute;
  top: 50%;
  left: 62%;
  width: 7px;
  height: 7px;
  border: 1px solid #aeece4;
  border-radius: 50%;
  background: #153d3d;
  transform: translate(-50%, -50%);
}

.ptz-pad {
  position: relative;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
}

.ptz-pad i {
  position: absolute;
  width: 0;
  height: 0;
  border: 3px solid transparent;
}

.ptz-up { top: 5px; left: 15px; border-bottom-color: #9db1b0 !important; }
.ptz-down { bottom: 5px; left: 15px; border-top-color: #9db1b0 !important; }
.ptz-left { top: 15px; left: 5px; border-right-color: #9db1b0 !important; }
.ptz-right { top: 15px; right: 5px; border-left-color: #9db1b0 !important; }
.ptz-center { top: 15px; left: 15px; width: 6px !important; height: 6px !important; border: 1px solid #6b8989 !important; border-radius: 50%; }

.float-card {
  position: absolute;
  z-index: 3;
  display: flex;
  min-width: 92px;
  flex-direction: column;
  gap: 1px;
  padding: 11px 13px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 2px;
  background: rgba(7, 18, 21, 0.9);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.float-card span {
  color: var(--teal);
  font-family: var(--font-latin);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

.float-card small {
  color: #95a9a8;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
}

.float-card-a {
  bottom: 104px;
  left: -22px;
}

.float-card-b {
  top: 74px;
  right: -18px;
}

.hero-visual-note {
  margin-top: 17px;
  color: #64797a;
  font-size: 0.65rem;
  line-height: 1.6;
  text-align: right;
}

.hero-metrics-wrap {
  position: relative;
  z-index: 2;
  margin-top: clamp(34px, 4.8vw, 58px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  padding: 25px 0 3px;
}

.hero-metrics > div {
  min-width: 0;
  padding: 0 clamp(10px, 1.8vw, 26px);
  border-left: 1px solid rgba(255, 255, 255, 0.11);
}

.hero-metrics > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-metrics dt {
  color: #f4f8f7;
  font-family: var(--font-latin);
  font-size: clamp(1.75rem, 2.9vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1;
}

.hero-metrics dt span {
  margin-left: 3px;
  color: var(--orange-bright);
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0;
}

.hero-metrics dd {
  margin-top: 8px;
  color: #829696;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.hero-footnote {
  padding: 14px 0 27px;
  color: #7b8f8f;
  font-size: 0.62rem;
  letter-spacing: 0.02em;
}

/* ---------- Tech strip ---------- */

.tech-strip {
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  background: #0a161a;
}

.tech-track {
  display: flex;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.tech-group {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
}

.tech-group span {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  padding: 15px 0 15px 28px;
  color: #839797;
  font-family: var(--font-latin);
  font-size: 0.64rem;
  letter-spacing: 0.13em;
  white-space: nowrap;
}

.tech-group span::after {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--orange-bright);
  transform: rotate(45deg);
  opacity: 0.7;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- Pain section ---------- */

.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.pain-card {
  position: relative;
  display: flex;
  min-height: 282px;
  flex-direction: column;
  padding: 28px 26px 24px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.22);
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.pain-card:hover {
  z-index: 1;
  background: #fffdf9;
  box-shadow: 0 18px 40px rgba(7, 16, 20, 0.07);
  transform: translateY(-4px);
}

.pain-no {
  position: absolute;
  top: 23px;
  right: 24px;
  color: #a8b1ad;
  font-family: var(--font-latin);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.pain-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 31px;
  border: 1px solid rgba(217, 64, 18, 0.24);
  background: rgba(217, 64, 18, 0.06);
  color: var(--orange-deep);
}

.pain-icon .icon {
  width: 22px;
  height: 22px;
}

.pain-card h3 {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.pain-card p {
  color: #687471;
  font-size: 0.86rem;
  line-height: 1.8;
}

.pain-tag {
  display: inline-block;
  margin-top: auto;
  padding-top: 22px;
  color: #9b7b6c;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
}

.insight {
  position: relative;
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) minmax(200px, 248px);
  align-items: center;
  gap: clamp(24px, 4vw, 54px);
  margin-top: 24px;
  padding: clamp(32px, 4.8vw, 56px);
  overflow: hidden;
  background: var(--ink);
  color: #f4f8f7;
}

.insight::before {
  content: "“";
  position: absolute;
  top: -95px;
  right: 34px;
  color: rgba(255, 255, 255, 0.035);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 290px;
  line-height: 1;
  pointer-events: none;
}

.insight::after {
  content: "";
  position: absolute;
  right: -15%;
  bottom: -130%;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 112, 64, 0.15), transparent 65%);
  pointer-events: none;
}

.insight-label {
  display: flex;
  align-self: start;
  flex-direction: column;
  padding-left: 12px;
  border-left: 1px solid var(--orange-bright);
  color: var(--orange-bright);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.7;
  white-space: nowrap;
}

.insight-label span {
  color: #758b8b;
  font-family: var(--font-latin);
  font-size: 0.56rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.insight > p {
  position: relative;
  z-index: 1;
  color: #eef5f3;
  font-size: clamp(1.55rem, 2.9vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.32;
}

.insight > p strong {
  color: var(--orange-bright);
  font-weight: 700;
}

.insight-side {
  position: relative;
  z-index: 1;
  align-self: end;
  padding-bottom: 4px;
}

.insight-side p {
  color: #9db0b0;
  font-size: 0.79rem;
  line-height: 1.8;
}

.insight-side .text-link {
  margin-top: 17px;
  color: var(--teal);
  border-color: rgba(103, 232, 216, 0.35);
}

/* ---------- Product / mechanism ---------- */

.product-section {
  background:
    radial-gradient(ellipse at 18% 42%, rgba(103, 232, 216, 0.06), transparent 43%),
    radial-gradient(ellipse at 88% 10%, rgba(255, 112, 64, 0.06), transparent 38%),
    var(--ink);
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: clamp(38px, 6vw, 92px);
}

.device-stage {
  position: relative;
  padding: 17px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: linear-gradient(155deg, rgba(20, 43, 48, 0.62), rgba(6, 15, 18, 0.92));
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.4);
}

.stage-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 3px 3px 13px;
}

.stage-label {
  color: #839898;
  font-family: var(--font-latin);
  font-size: 0.61rem;
  letter-spacing: 0.14em;
}

.stage-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #a6dcd5;
  font-family: var(--font-latin);
  font-size: 0.57rem;
  letter-spacing: 0.09em;
}

.stage-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px rgba(103, 232, 216, 0.75);
}

.device-wrap {
  position: relative;
  display: grid;
  min-height: 560px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background-color: #09161a;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 38px 38px;
}

.device-wrap::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 72%;
  aspect-ratio: 1;
  border: 1px solid rgba(103, 232, 216, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 44px rgba(103, 232, 216, 0.014), 0 0 0 88px rgba(103, 232, 216, 0.01);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.device-svg {
  position: relative;
  z-index: 1;
  width: min(100%, 486px);
  height: auto;
}

.device-svg .barrel-move {
  transform: translateY(0);
  transition: transform 1.12s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.device-wrap:not(.is-open) .barrel-move {
  transform: translateY(120px);
}

.device-svg .wiper {
  transform: rotate(-28deg);
  transform-box: view-box;
  transform-origin: 376px 398px;
}

.device-wrap.is-open .wiper {
  animation: wiper-sweep 4.6s cubic-bezier(0.45, 0, 0.55, 1) 0.9s infinite;
}

@keyframes wiper-sweep {
  0%, 7% { transform: rotate(-28deg); }
  38%, 50% { transform: rotate(26deg); }
  81%, 100% { transform: rotate(-28deg); }
}

.device-svg .stowed-ghost {
  opacity: 0;
  transition: opacity 0.35s ease 0.6s;
}

.device-wrap:not(.is-open) .stowed-ghost {
  opacity: 0.55;
}

.cam-halo {
  transition: opacity 0.7s ease 0.35s;
}

.device-wrap.is-open .cam-halo {
  opacity: 1;
}

.wiper-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 9px;
  border: 1px solid rgba(255, 112, 64, 0.3);
  background: rgba(5, 14, 17, 0.78);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-5px);
  transition: opacity 0.35s ease 0.5s, transform 0.35s ease 0.5s;
}

.device-wrap.is-open .wiper-badge {
  opacity: 1;
  transform: none;
}

.wiper-badge i {
  position: relative;
  display: block;
  width: 11px;
  height: 11px;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 156, 118, 0.7);
  border-radius: 50%;
}

.wiper-badge i::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 4px;
  width: 1px;
  height: 5px;
  background: #ff9c76;
  transform-origin: 50% 100%;
  animation: badge-wiper 1.8s ease-in-out infinite;
}

@keyframes badge-wiper {
  0%, 100% { transform: rotate(-32deg); }
  50% { transform: rotate(32deg); }
}

.wiper-badge span {
  color: #ffb79c;
  font-family: var(--font-latin);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1;
}

.wiper-badge small {
  color: #9aafae;
  font-size: 0.56rem;
  line-height: 1;
  white-space: nowrap;
}

.device-state-label {
  position: absolute;
  bottom: 12px;
  left: 14px;
  z-index: 2;
  color: #7f9494;
  font-family: var(--font-latin);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.25s ease;
}

.device-wrap.is-open .device-state-label {
  color: #8fb4b1;
}

.stage-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-top: 8px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(4, 12, 14, 0.7);
}

.stage-controls button {
  min-height: 42px;
  background: transparent;
  color: #8b9f9f;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  transition: background 0.22s ease, color 0.22s ease;
}

.stage-controls button:hover {
  color: #ffffff;
}

.stage-controls button[aria-pressed="true"] {
  background: var(--orange);
  color: #ffffff;
}

.device-caption {
  padding: 12px 2px 1px;
  color: #809595;
  font-size: 0.62rem;
  letter-spacing: 0.02em;
}

.product-copy h2 {
  margin: 20px 0 23px;
  color: #f5f8f7;
  font-size: clamp(2.05rem, 3.5vw, 3.05rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.11;
  text-wrap: balance;
}

.product-copy > p {
  max-width: 570px;
  color: #a5b5b5;
  font-size: 0.98rem;
  line-height: 1.86;
}

.stage-steps {
  margin: 35px 0 31px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stage-step {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.55;
  transition: opacity 0.35s ease;
}

.stage-step.is-active {
  opacity: 1;
}

.step-no {
  padding-top: 3px;
  color: var(--orange-bright);
  font-family: var(--font-latin);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.stage-step h3 {
  margin-bottom: 5px;
  color: #e9f0ef;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.stage-step p {
  color: #8fa3a3;
  font-size: 0.83rem;
  line-height: 1.75;
}

.mini-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.mini-specs > div {
  padding: 16px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.018);
}

.mini-specs strong {
  display: block;
  color: #eef6f4;
  font-family: var(--font-latin);
  font-size: 1.22rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.mini-specs span {
  color: #7f9595;
  font-size: 0.68rem;
}

.mini-specs .mini-spec-wide {
  display: flex;
  grid-column: 1 / -1;
  align-items: baseline;
  gap: 11px;
}

.mini-specs .mini-spec-wide strong {
  flex: 0 0 auto;
  font-size: 1.05rem;
}

/* ---------- Capabilities ---------- */

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.cap-card {
  position: relative;
  min-height: 255px;
  padding: 27px 28px 30px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.18);
  transition: background 0.24s ease, transform 0.24s ease;
}

.cap-card:hover {
  z-index: 1;
  background: #fffdf9;
  transform: translateY(-3px);
}

.cap-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.3s ease;
}

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

.cap-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 31px;
}

.cap-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(7, 16, 20, 0.18);
  color: var(--orange-deep);
}

.cap-icon .icon {
  width: 22px;
  height: 22px;
}

.cap-no {
  color: #a8b1ad;
  font-family: var(--font-latin);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
}

.cap-card h3 {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cap-card p {
  color: #697572;
  font-size: 0.85rem;
  line-height: 1.8;
}

.mini-badge {
  display: inline-block;
  margin-left: 5px;
  padding: 2px 6px;
  border: 1px solid rgba(217, 64, 18, 0.28);
  color: var(--orange-deep);
  font-size: 0.6rem;
  line-height: 1.4;
  vertical-align: 1px;
  white-space: nowrap;
}

/* ---------- Configurations ---------- */

.section-configs {
  background: var(--paper-2);
}

.section-configs::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(7, 16, 20, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 16, 20, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 52%);
  mask-image: linear-gradient(to bottom, #000, transparent 52%);
  pointer-events: none;
}

.section-configs > .container {
  position: relative;
  z-index: 1;
}

.plan-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
  gap: 22px;
}

.plan {
  position: relative;
  display: flex;
  min-height: 590px;
  flex-direction: column;
  padding: clamp(28px, 3.3vw, 42px);
  border: 1px solid var(--line-dark);
  background: #fffdf8;
  overflow: hidden;
}

.plan-standard {
  box-shadow: 0 12px 34px rgba(7, 16, 20, 0.04);
}

.plan-flagship {
  border-color: rgba(255, 112, 64, 0.42);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(255, 112, 64, 0.2), transparent 36%),
    linear-gradient(150deg, #11252b, #071014 72%);
  color: #f5f8f7;
  box-shadow: 0 28px 70px rgba(7, 16, 20, 0.22);
}

.plan-flagship::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -100px;
  width: 330px;
  height: 330px;
  border: 1px solid rgba(103, 232, 216, 0.09);
  border-radius: 50%;
  box-shadow: 0 0 0 44px rgba(103, 232, 216, 0.02), 0 0 0 88px rgba(103, 232, 216, 0.014);
  pointer-events: none;
}

.plan-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.plan-kicker {
  color: #6f7b77;
  font-family: var(--font-latin);
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  line-height: 1.4;
}

.plan-flagship .plan-kicker {
  color: #ff9c76;
}

.plan h3 {
  margin-top: 9px;
  color: var(--text);
  font-size: clamp(1.9rem, 3.1vw, 2.65rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.plan-flagship h3 {
  color: #f7faf9;
}

.plan-icon {
  display: grid;
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(7, 16, 20, 0.15);
  color: #73817e;
}

.plan-icon .icon {
  width: 25px;
  height: 25px;
}

.plan-flagship .plan-icon {
  border-color: rgba(255, 112, 64, 0.34);
  background: rgba(255, 112, 64, 0.07);
  color: var(--orange-bright);
}

.plan-badge {
  align-self: flex-start;
  padding: 5px 10px;
  background: var(--orange);
  color: #fff;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.plan-tagline {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  color: var(--orange-deep);
  font-size: 0.87rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.plan-flagship .plan-tagline {
  color: var(--teal);
}

.plan-desc {
  position: relative;
  z-index: 1;
  margin: 11px 0 26px;
  color: #687471;
  font-size: 0.85rem;
  line-height: 1.8;
}

.plan-flagship .plan-desc {
  color: #9eafaf;
}

.plan-specs {
  position: relative;
  z-index: 1;
  margin-bottom: 19px;
  border-top: 1px solid var(--line-dark);
}

.plan-specs > div {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: baseline;
  gap: 13px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-dark);
}

.plan-specs span {
  color: #77827e;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.plan-specs strong {
  color: #293635;
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.55;
}

.plan-flagship .plan-specs {
  border-color: rgba(255, 255, 255, 0.13);
}

.plan-flagship .plan-specs > div {
  border-color: rgba(255, 255, 255, 0.11);
}

.plan-flagship .plan-specs span {
  color: #95a7a7;
}

.plan-flagship .plan-specs strong {
  color: #e9f1ef;
}

.plan-shared {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 17px;
  color: #788480;
  font-size: 0.67rem;
  line-height: 1.6;
}

.plan-shared > span {
  padding: 2px 6px;
  border: 1px solid rgba(7, 16, 20, 0.14);
  color: #646f6b;
  font-size: 0.6rem;
  letter-spacing: 0.04em;
}

.plan-shared-dark {
  color: #7f9292;
}

.plan-shared-dark > span {
  border-color: rgba(255, 255, 255, 0.16);
  color: #a9b8b7;
}

.plan-btn {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-top: auto;
}

.plan-flagship .btn-primary {
  box-shadow: 0 12px 30px rgba(217, 64, 18, 0.3);
}

.plan-note {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  color: #78837f;
  font-size: 0.64rem;
  line-height: 1.5;
  text-align: center;
}

.plan-flagship .plan-note {
  color: #8b9d9d;
}

.shared-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  margin-top: 22px;
  padding: 18px 24px;
  border: 1px solid var(--line-dark);
  background: rgba(255, 253, 248, 0.58);
}

.shared-strip strong {
  color: var(--orange-deep);
  font-size: 0.7rem;
  letter-spacing: 0.07em;
}

.shared-strip span {
  position: relative;
  padding-left: 15px;
  color: #5f6b68;
  font-size: 0.74rem;
}

.shared-strip span::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 4px;
  height: 4px;
  background: #8fa09d;
  transform: translateY(-50%) rotate(45deg);
}

.compare-block {
  margin-top: clamp(54px, 7vw, 86px);
}

.compare-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 26px;
  margin-bottom: 21px;
}

.compare-title h3 {
  margin-top: 11px;
  color: var(--text);
  font-size: clamp(1.42rem, 2.3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.compare-title > p {
  color: #727e7a;
  font-size: 0.76rem;
}

.compare-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-dark);
  background: #fffdf8;
  scrollbar-color: rgba(7, 16, 20, 0.28) transparent;
  scrollbar-width: thin;
}

.compare-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.compare-table th,
.compare-table td {
  padding: 14px 22px;
  border-bottom: 1px solid rgba(7, 16, 20, 0.08);
  text-align: left;
  vertical-align: top;
}

.compare-table thead th {
  border-bottom: 1px solid rgba(7, 16, 20, 0.12);
  background: #f1eee7;
  color: #687370;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
}

.compare-table thead th:first-child {
  width: 22%;
}

.compare-table thead th.col-highlight {
  background: #fff1ea;
  color: var(--orange-deep);
}

.compare-table tbody th {
  color: #394543;
  font-weight: 600;
}

.compare-table tbody td {
  color: #586462;
}

.compare-table tbody td.col-highlight {
  background: #fff9f5;
  color: #263331;
  font-weight: 600;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.table-note {
  margin-top: 11px;
  color: #75807c;
  font-size: 0.66rem;
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.choice-card {
  padding: 26px 28px;
  border: 1px solid var(--line-dark);
  background: rgba(255, 253, 248, 0.7);
}

.choice-card-high {
  border-color: rgba(217, 64, 18, 0.28);
  background: #fff8f3;
}

.choice-card h4 {
  margin-bottom: 16px;
  color: #3c4946;
  font-size: 0.98rem;
  font-weight: 500;
}

.choice-card h4 span {
  color: var(--orange-deep);
  font-weight: 700;
}

.choice-card ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
  list-style: none;
}

.choice-card li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: #66726f;
  font-size: 0.79rem;
  line-height: 1.65;
}

.choice-card .icon {
  width: 13px;
  height: 13px;
  margin-top: 4px;
  color: var(--teal-deep);
  stroke-width: 2;
}

/* ---------- Architecture ---------- */

.arch-section {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(103, 232, 216, 0.07), transparent 48%),
    var(--ink);
}

.arch-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 42%, #000, transparent 78%);
  mask-image: radial-gradient(ellipse at 50% 42%, #000, transparent 78%);
  pointer-events: none;
}

.arch-section > .container {
  position: relative;
  z-index: 1;
}

.arch-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr) 40px minmax(0, 1fr) 40px minmax(0, 1fr);
  align-items: stretch;
}

.arch-card {
  position: relative;
  display: flex;
  min-height: 325px;
  flex-direction: column;
  padding: 23px 22px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008));
}

.arch-card-accent {
  border-color: rgba(255, 112, 64, 0.4);
  background:
    radial-gradient(ellipse at 10% 0%, rgba(255, 112, 64, 0.12), transparent 46%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.008));
}

.arch-no {
  position: absolute;
  top: 22px;
  right: 21px;
  color: #4c6364;
  font-family: var(--font-latin);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.arch-en {
  margin-bottom: 9px;
  color: #7c9292;
  font-family: var(--font-latin);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
}

.arch-card h3 {
  margin-bottom: 22px;
  color: #f0f6f4;
  font-size: 1.13rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.arch-list {
  display: flex;
  flex-direction: column;
  gap: 11px;
  list-style: none;
}

.arch-list li {
  position: relative;
  padding-left: 13px;
  color: #afbfbe;
  font-size: 0.76rem;
  line-height: 1.6;
}

.arch-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 4px;
  height: 4px;
  background: var(--teal);
  opacity: 0.7;
  transform: rotate(45deg);
}

.arch-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 24px;
}

.arch-chips span {
  padding: 3px 6px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  color: #819595;
  font-family: var(--font-latin);
  font-size: 0.54rem;
  letter-spacing: 0.06em;
}

.arch-role {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #7a8e8e;
  font-size: 0.6rem;
  letter-spacing: 0.03em;
}

.arch-role span {
  color: #8fa3a3;
  font-family: var(--font-latin);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.arch-arrow {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.arch-arrow span {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0.06));
}

.arch-arrow i {
  position: absolute;
  right: 4px;
  width: 7px;
  height: 7px;
  border-top: 1px solid #6e898a;
  border-right: 1px solid #6e898a;
  transform: rotate(45deg);
}

.arch-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 23px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
}

.protocol-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 13px 30px;
}

.protocol-strip > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #74898a;
  font-size: 0.64rem;
}

.protocol-strip i {
  width: 4px;
  height: 4px;
  background: var(--orange-bright);
  transform: rotate(45deg);
}

.protocol-strip strong {
  color: #b7c6c5;
  font-weight: 500;
}

.arch-note {
  display: inline-flex;
  min-height: 34px;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid rgba(103, 232, 216, 0.2);
  color: #9cd0ca;
  font-size: 0.64rem;
}

.arch-note .icon {
  width: 14px;
  height: 14px;
}

/* ---------- Timeline ---------- */

.timeline-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(40px, 7vw, 104px);
}

.timeline-intro {
  position: sticky;
  top: 120px;
  align-self: start;
}

.big-time {
  margin: 23px 0 20px;
  color: var(--orange);
  font-family: var(--font-latin);
  font-size: clamp(5.3rem, 11vw, 9.8rem);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.78;
}

.big-time span {
  margin-left: 4px;
  font-size: 0.23em;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.timeline-intro h2 {
  color: var(--text);
  font-size: clamp(1.9rem, 3.2vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.timeline-intro .lead {
  max-width: 390px;
  margin-top: 18px;
}

.timeline-stats {
  display: flex;
  gap: 35px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
}

.timeline-stats > div {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.timeline-stats strong {
  color: var(--text);
  font-family: var(--font-latin);
  font-size: 1.18rem;
  font-weight: 600;
}

.timeline-stats span {
  color: #6e7a76;
  font-size: 0.68rem;
}

.timeline {
  position: relative;
  padding-top: 7px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 7px;
  bottom: 10px;
  left: 86px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(217, 64, 18, 0.35), rgba(7, 16, 20, 0.12));
}

.t-step {
  position: relative;
  display: grid;
  grid-template-columns: 58px 16px minmax(0, 1fr);
  column-gap: 20px;
  padding-bottom: 39px;
}

.t-step:last-child {
  padding-bottom: 0;
}

.t-time {
  padding-top: 3px;
  color: #7d8985;
  font-family: var(--font-latin);
  font-size: 0.69rem;
  letter-spacing: 0.03em;
  text-align: right;
}

.t-dot {
  position: relative;
  z-index: 1;
  width: 9px;
  height: 9px;
  margin-top: 6px;
  margin-left: 3px;
  border: 1px solid var(--orange);
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 0 4px rgba(217, 64, 18, 0.06);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.t-step:hover .t-dot {
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(217, 64, 18, 0.11);
}

.t-content {
  padding-bottom: 2px;
}

.t-content h3 {
  margin-bottom: 6px;
  color: #2b3836;
  font-size: 1.03rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.t-content p {
  max-width: 430px;
  color: #687471;
  font-size: 0.84rem;
  line-height: 1.75;
}

/* ---------- Scenes ---------- */

.scene-section {
  background:
    radial-gradient(ellipse at 90% 30%, rgba(255, 112, 64, 0.055), transparent 40%),
    var(--ink);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.scene-card {
  position: relative;
  min-height: 246px;
  padding: 27px 27px 25px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.012);
  transition: background 0.25s ease, transform 0.25s ease;
}

.scene-card:hover {
  z-index: 1;
  background: rgba(255, 255, 255, 0.045);
  transform: translateY(-3px);
}

.scene-no {
  position: absolute;
  top: 24px;
  right: 25px;
  color: #4f6566;
  font-family: var(--font-latin);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.scene-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  margin-bottom: 27px;
  border: 1px solid rgba(103, 232, 216, 0.18);
  color: var(--teal);
}

.scene-icon .icon {
  width: 20px;
  height: 20px;
}

.scene-card h3 {
  margin-bottom: 9px;
  color: #eef5f3;
  font-size: 1.06rem;
  font-weight: 700;
}

.scene-card p {
  max-width: 310px;
  color: #91a4a4;
  font-size: 0.81rem;
  line-height: 1.78;
}

.scene-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding-top: 21px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
}

.scene-cta p {
  color: #9aacac;
  font-size: 0.77rem;
}

/* ---------- Quality ---------- */

.quality-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
  align-items: center;
  gap: clamp(34px, 6vw, 78px);
}

.guard-board {
  position: relative;
  display: flex;
  min-height: 520px;
  flex-direction: column;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(7, 16, 20, 0.16);
  background:
    radial-gradient(ellipse at 18% 12%, rgba(103, 232, 216, 0.12), transparent 42%),
    radial-gradient(ellipse at 100% 100%, rgba(255, 112, 64, 0.1), transparent 38%),
    #071014;
  color: #f4f8f7;
  overflow: hidden;
}

.guard-board::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(ellipse at 30% 45%, #000, transparent 84%);
  mask-image: radial-gradient(ellipse at 30% 45%, #000, transparent 84%);
  pointer-events: none;
}

.guard-board::after {
  content: "01";
  position: absolute;
  right: -16px;
  bottom: -74px;
  color: rgba(255, 255, 255, 0.028);
  font-family: var(--font-latin);
  font-size: 17rem;
  font-weight: 600;
  letter-spacing: -0.08em;
  line-height: 1;
  pointer-events: none;
}

.guard-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  color: #758b8b;
  font-family: var(--font-latin);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
}

.guard-head span:last-child {
  color: #4d6667;
}

.guard-body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: center;
  flex: 1;
  gap: clamp(24px, 3vw, 38px);
  padding: 32px 0 28px;
}

.guard-mark {
  position: relative;
  display: flex;
  width: 190px;
  aspect-ratio: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(103, 232, 216, 0.28);
  border-radius: 50%;
  text-align: center;
}

.guard-mark::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(103, 232, 216, 0.22);
  border-radius: 50%;
}

.guard-mark::after {
  content: "";
  position: absolute;
  top: 22px;
  right: 22px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange-bright);
  box-shadow: 0 0 16px rgba(255, 112, 64, 0.6);
}

.guard-mark-label {
  color: #6d8787;
  font-family: var(--font-latin);
  font-size: 0.48rem;
  letter-spacing: 0.14em;
}

.guard-mark strong {
  margin: 3px 0 2px;
  color: #f3f8f7;
  font-family: var(--font-latin);
  font-size: 3.55rem;
  font-weight: 600;
  letter-spacing: -0.07em;
  line-height: 1;
}

.guard-mark > span:last-child {
  color: #8fa5a4;
  font-size: 0.6rem;
  line-height: 1.7;
}

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

.guard-kicker {
  color: var(--orange-bright);
  font-family: var(--font-latin);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.13em;
}

.guard-copy h3 {
  margin: 12px 0 13px;
  color: #f0f6f4;
  font-size: clamp(1.55rem, 2.35vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.25;
}

.guard-copy p {
  color: #92a6a5;
  font-size: 0.78rem;
  line-height: 1.8;
}

.guard-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 17px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.guard-tags span {
  padding: 4px 7px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #a4b6b5;
  font-size: 0.6rem;
  letter-spacing: 0.03em;
}

.guard-tags span:nth-child(3) {
  border-color: rgba(255, 112, 64, 0.34);
  color: #ffad8f;
}

.guard-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 16px;
  padding-top: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.guard-foot .frame-dot {
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--orange-bright);
}

.guard-foot p {
  color: #6d8383;
  font-size: 0.6rem;
  line-height: 1.6;
}

.quality-copy h2 {
  margin: 20px 0 21px;
  color: var(--text);
  font-size: clamp(2.1rem, 4vw, 3.55rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.12;
}

.quality-copy > .lead {
  max-width: 530px;
}

.quality-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 29px;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.quality-list > div {
  min-height: 102px;
  padding: 15px 17px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.quality-list dt {
  margin-bottom: 7px;
  color: #7b8783;
  font-size: 0.66rem;
  letter-spacing: 0.04em;
}

.quality-list dd {
  color: #2b3835;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.45;
}

.quality-list dd span {
  display: block;
  margin-top: 2px;
  color: #6d7874;
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0;
}

.standard-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 21px;
}

.standard-chips span {
  padding: 4px 7px;
  border: 1px solid rgba(7, 16, 20, 0.13);
  color: #7b8783;
  font-family: var(--font-latin);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
}

/* ---------- Contact ---------- */

.contact {
  position: relative;
  background:
    radial-gradient(ellipse at 15% 20%, rgba(255, 112, 64, 0.11), transparent 42%),
    radial-gradient(ellipse at 86% 60%, rgba(103, 232, 216, 0.07), transparent 44%),
    var(--ink);
  color: #f4f8f7;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 66px 66px;
  -webkit-mask-image: linear-gradient(to right, #000, transparent 72%);
  mask-image: linear-gradient(to right, #000, transparent 72%);
  pointer-events: none;
}

.contact-glow {
  position: absolute;
  bottom: -180px;
  left: -130px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(255, 112, 64, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(255, 112, 64, 0.025), 0 0 0 160px rgba(255, 112, 64, 0.018);
  pointer-events: none;
}

.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.72fr);
  align-items: center;
  gap: clamp(44px, 7vw, 108px);
}

.contact h2 {
  margin: 22px 0 24px;
  color: #f7faf9;
  font-size: clamp(2.7rem, 5.2vw, 4.8rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1.06;
}

.contact-copy .lead {
  max-width: 535px;
  color: #a8b8b7;
}

.contact-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  max-width: 630px;
  margin-top: 43px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.contact-steps span {
  display: block;
  margin-bottom: 7px;
  color: var(--orange-bright);
  font-family: var(--font-latin);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.contact-steps strong {
  display: block;
  color: #dfe9e7;
  font-size: 0.86rem;
  font-weight: 600;
}

.contact-steps p {
  margin-top: 3px;
  color: #8da0a0;
  font-size: 0.65rem;
  line-height: 1.55;
}

.contact-card {
  position: relative;
  padding: clamp(27px, 3.6vw, 40px);
  background: var(--paper);
  color: var(--text);
  box-shadow: 0 32px 85px rgba(0, 0, 0, 0.32);
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), rgba(217, 64, 18, 0));
}

.contact-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-dark);
}

.contact-mark {
  width: 40px;
  height: auto;
}

.contact-brand > span {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.25;
}

.contact-brand strong {
  color: #24312f;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.contact-brand small {
  color: #8a9591;
  font-family: var(--font-latin);
  font-size: 0.53rem;
  letter-spacing: 0.13em;
}

.contact-kicker {
  margin-top: 24px;
  color: #717c78;
  font-family: var(--font-latin);
  font-size: 0.6rem;
  letter-spacing: 0.13em;
}

.contact-name {
  margin-top: 5px;
  color: #2d3a37;
  font-size: 1.08rem;
  font-weight: 600;
}

.contact-phone {
  display: block;
  width: fit-content;
  margin: 7px 0 7px;
  color: #15211f;
  font-family: var(--font-latin);
  font-size: clamp(2.05rem, 3.6vw, 2.8rem);
  font-weight: 600;
  letter-spacing: 0.005em;
  line-height: 1.2;
  transition: color 0.2s ease;
}

.contact-phone:hover {
  color: var(--orange-deep);
}

.copy-phone {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  padding: 0;
  background: transparent;
  color: #7b8783;
  font-size: 0.66rem;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.copy-phone span:last-child {
  color: var(--orange-deep);
  font-size: 0.82rem;
}

.copy-phone:hover {
  color: var(--text);
}

.contact-meta {
  display: grid;
  gap: 10px;
  margin-top: 23px;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
}

.contact-meta > div {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
}

.contact-meta dt {
  color: #8b9692;
  font-size: 0.66rem;
}

.contact-meta dd {
  color: #3e4b48;
  font-size: 0.74rem;
  line-height: 1.55;
}

.contact-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 22px;
}

.contact-actions .btn {
  min-height: 44px;
  padding-inline: 12px;
  font-size: 0.75rem;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 34px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #050c0f;
  color: #839595;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  width: 28px;
  height: auto;
}

.footer-brand > span {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.2;
}

.footer-brand strong {
  color: #c9d6d5;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.footer-brand small {
  color: #5f7474;
  font-family: var(--font-latin);
  font-size: 0.46rem;
  letter-spacing: 0.12em;
}

.footer-top > p {
  color: #829696;
  font-size: 0.7rem;
}

.back-top {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #9bafae;
  font-size: 0.68rem;
  transition: color 0.2s ease;
}

.back-top span {
  color: var(--orange-bright);
  font-family: var(--font-latin);
  font-size: 0.9rem;
  transition: transform 0.2s ease;
}

.back-top:hover {
  color: #ffffff;
}

.back-top:hover span {
  transform: translateY(-3px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: #6b7f7f;
  font-size: 0.6rem;
  letter-spacing: 0.02em;
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  z-index: 200;
  padding: 11px 18px;
  border: 1px solid rgba(103, 232, 216, 0.3);
  background: rgba(7, 18, 21, 0.96);
  color: #d6f7f2;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Reveal ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.72s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.72s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: calc(var(--delay, 0) * 90ms);
}

.js .reveal[data-delay="1"] { --delay: 1; }
.js .reveal[data-delay="2"] { --delay: 2; }
.js .reveal[data-delay="3"] { --delay: 3; }
.js .reveal[data-delay="4"] { --delay: 4; }

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 1180px) {
  .container {
    width: min(calc(100% - 48px), var(--container));
  }

  .header-inner {
    gap: 24px;
  }

  .site-nav {
    gap: 16px;
  }

  .header-phone {
    display: none;
  }

  .float-card-a {
    left: -8px;
  }

  .float-card-b {
    right: -8px;
  }

  .hero-metrics > div {
    padding-inline: 16px;
  }
}

@media (max-width: 1020px) {
  .hero {
    padding-top: 126px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 28px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 5.5vw, 4.4rem);
  }

  .hero-actions .btn {
    padding-inline: 18px;
  }

  .float-card {
    display: none;
  }

  .vision-console {
    transform: none;
  }

  .product-grid {
    gap: 38px;
  }

  .arch-flow {
    grid-template-columns: minmax(0, 1fr) 26px minmax(0, 1fr) 26px minmax(0, 1fr) 26px minmax(0, 1fr);
  }

  .arch-card {
    padding: 21px 17px 18px;
  }

  .arch-list li {
    font-size: 0.71rem;
  }

  .arch-chips span {
    font-size: 0.51rem;
  }

  .insight {
    grid-template-columns: 74px minmax(0, 1fr) 220px;
    gap: 25px;
  }
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 82px;
  }

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

  .header-inner {
    height: 74px;
  }

  .brand-mark {
    width: 34px;
  }

  .brand-text strong {
    font-size: 0.9rem;
  }

  .header-cta {
    margin-left: auto;
    gap: 10px;
  }

  .menu-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: flex;
    height: calc(100vh - 74px);
    height: calc(100dvh - 74px);
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 18px 20px 36px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: #071014;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.28s ease, transform 0.28s ease, visibility 0s linear 0.28s;
  }

  body.nav-open .site-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition-delay: 0s;
  }

  .site-nav a {
    padding: 17px 2px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #d6e2e0;
    font-size: 1.08rem;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav .mobile-nav-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 24px;
    padding: 15px 18px;
    border: 0;
    background: var(--orange);
    color: #ffffff;
    font-size: 0.98rem;
    font-weight: 700;
  }

  .site-nav .mobile-nav-cta span {
    font-family: var(--font-latin);
    font-size: 1.1rem;
    font-weight: 400;
  }

  .header-cta .btn {
    min-height: 38px;
    padding-inline: 13px;
    font-size: 0.73rem;
  }

  .hero {
    min-height: auto;
    padding-top: 116px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .hero-copy {
    padding-bottom: 12px;
  }

  .hero h1 {
    max-width: 720px;
    font-size: clamp(3rem, 8.3vw, 5rem);
  }

  .hero-lede {
    max-width: 620px;
  }

  .hero-visual {
    max-width: 710px;
    width: 100%;
    margin-inline: auto;
  }

  .vision-console {
    transform: none;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 22px;
  }

  .hero-metrics > div:nth-child(4) {
    padding-left: 0;
    border-left: 0;
  }

  .hero-metrics > div:nth-child(n+4) {
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    padding-top: 18px;
  }

  .section-head {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 20px;
  }

  .section-head .lead {
    max-width: 620px;
  }

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

  .pain-card {
    min-height: 245px;
  }

  .insight {
    grid-template-columns: 70px minmax(0, 1fr);
    gap: 24px;
  }

  .insight-side {
    grid-column: 2;
    max-width: 470px;
    margin-top: -4px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .device-stage {
    max-width: 630px;
    width: 100%;
    margin-inline: auto;
  }

  .device-wrap {
    min-height: 510px;
  }

  .wiper-badge {
    top: 10px;
    right: 10px;
    gap: 5px;
    padding: 5px 7px;
  }

  .wiper-badge small {
    font-size: 0.5rem;
  }

  .wiper-badge span {
    font-size: 0.5rem;
  }

  .product-copy {
    max-width: 690px;
  }

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

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

  .plan {
    min-height: 0;
  }

  .plan-flagship {
    order: 2;
  }

  .compare-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

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

  .arch-flow {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .arch-card {
    min-height: 0;
  }

  .arch-arrow {
    width: 1px;
    height: 28px;
    margin: 0 auto;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.15);
  }

  .arch-arrow span {
    display: none;
  }

  .arch-arrow i {
    right: auto;
    bottom: 2px;
    transform: rotate(135deg);
  }

  .arch-chips {
    margin-top: 18px;
  }

  .arch-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .timeline-layout {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .timeline-intro {
    position: static;
  }

  .big-time {
    font-size: clamp(5rem, 17vw, 8rem);
  }

  .timeline-intro .lead {
    max-width: 600px;
  }

  .timeline {
    max-width: 620px;
  }

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

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

  .eng-visual {
    max-width: 660px;
  }

  .quality-copy {
    max-width: 680px;
  }

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

  .contact-copy {
    max-width: 690px;
  }

  .contact-card {
    max-width: 520px;
  }

  .contact-steps {
    max-width: 620px;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 72px 0;
  }

  .header-inner {
    height: 68px;
    gap: 10px;
  }

  .site-nav {
    height: calc(100vh - 68px);
    height: calc(100dvh - 68px);
  }

  .brand {
    gap: 9px;
  }

  .brand-mark {
    width: 30px;
  }

  .brand-text strong {
    font-size: 0.82rem;
    letter-spacing: 0.06em;
  }

  .brand-text small {
    font-size: 0.53rem;
    letter-spacing: 0.08em;
  }

  .header-cta .btn {
    display: none;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
  }

  .menu-toggle span {
    left: 10px;
  }

  .menu-toggle span:nth-child(1) { top: 12px; }
  .menu-toggle span:nth-child(2) { top: 18px; }
  .menu-toggle span:nth-child(3) { top: 24px; }

  body.nav-open .menu-toggle span:nth-child(1),
  body.nav-open .menu-toggle span:nth-child(3) {
    top: 18px;
  }

  .hero {
    padding-top: 104px;
  }

  .hero-copy {
    padding-top: 20px;
  }

  .eyebrow-hero {
    flex-wrap: wrap;
    row-gap: 4px;
    font-size: 0.58rem;
    letter-spacing: 0.12em;
  }

  .eyebrow-hero .eyebrow-en {
    width: 100%;
    padding-left: 16px;
  }

  .hero h1 {
    margin: 22px 0 22px;
    font-size: clamp(2.55rem, 10.8vw, 4rem);
    line-height: 1.06;
  }

  .hero-lede {
    font-size: 0.94rem;
    line-height: 1.8;
  }

  .hero-actions {
    flex-direction: column;
    margin: 27px 0 23px;
  }

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

  .hero-points {
    gap: 8px 14px;
    font-size: 0.71rem;
  }

  .vision-console {
    padding: 8px;
    border-radius: 12px;
  }

  .console-bar {
    padding-bottom: 8px;
    font-size: 0.55rem;
  }

  .console-id {
    font-size: 0.52rem;
  }

  .console-controls {
    padding-top: 9px;
  }

  .view-tabs span {
    padding: 5px 6px;
    font-size: 0.56rem;
  }

  .console-zoom {
    max-width: 90px;
    font-size: 0.51rem;
  }

  .ptz-pad {
    width: 30px;
    height: 30px;
  }

  .ptz-up { top: 3px; left: 12px; }
  .ptz-down { bottom: 3px; left: 12px; }
  .ptz-left { top: 12px; left: 3px; }
  .ptz-right { top: 12px; right: 3px; }
  .ptz-center { top: 12px; left: 12px; }

  .screen-hud-top {
    top: 9px;
    left: 9px;
    gap: 4px;
  }

  .hud-chip {
    padding: 4px 5px;
    font-size: 0.48rem;
  }

  .screen-hud-bottom {
    right: 9px;
    bottom: 8px;
    font-size: 0.46rem;
  }

  .pip {
    right: 8px;
    bottom: 28px;
    width: 34%;
  }

  .pip-head {
    padding: 4px 6px;
    font-size: 0.44rem;
  }

  .hero-visual-note {
    margin-top: 11px;
    font-size: 0.58rem;
    text-align: left;
  }

  .hero-metrics-wrap {
    margin-top: 34px;
  }

  .hero-metrics {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding-top: 21px;
  }

  .hero-metrics > div {
    padding: 14px 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    border-left: 1px solid rgba(255, 255, 255, 0.09);
  }

  .hero-metrics > div:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .hero-metrics > div:nth-child(1),
  .hero-metrics > div:nth-child(2) {
    padding-top: 0;
    border-top: 0;
  }

  .hero-metrics > div:nth-child(4) {
    padding-left: 12px;
    border-left: 1px solid rgba(255, 255, 255, 0.09);
  }

  .hero-metrics > div:last-child {
    grid-column: 1 / -1;
    min-height: 0;
    padding-left: 0;
    border-left: 0;
  }

  .hero-metrics dt {
    font-size: 1.65rem;
  }

  .hero-metrics dd {
    font-size: 0.65rem;
  }

  .hero-footnote {
    padding-bottom: 22px;
  }

  .tech-group span {
    padding: 12px 0 12px 20px;
    font-size: 0.56rem;
  }

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

  .section-head h2 {
    margin-top: 14px;
    font-size: clamp(1.85rem, 8.2vw, 2.6rem);
  }

  .lead {
    font-size: 0.9rem;
    line-height: 1.82;
  }

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

  .pain-card {
    min-height: 0;
    padding: 23px 21px 21px;
  }

  .pain-icon {
    margin-bottom: 22px;
  }

  .pain-tag {
    padding-top: 18px;
  }

  .insight {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 28px 24px;
  }

  .insight::before {
    top: -55px;
    right: 14px;
    font-size: 190px;
  }

  .insight-label {
    flex-direction: row;
    align-items: center;
    gap: 7px;
    align-self: start;
    padding-left: 10px;
  }

  .insight-label span {
    font-size: 0.5rem;
  }

  .insight > p {
    font-size: 1.38rem;
    line-height: 1.42;
  }

  .insight-side {
    grid-column: 1;
  }

  .device-stage {
    padding: 11px;
  }

  .device-wrap {
    min-height: 410px;
  }

  .device-svg {
    width: 100%;
  }

  .stage-controls button {
    min-height: 40px;
  }

  .product-copy h2 {
    font-size: clamp(1.9rem, 8vw, 2.7rem);
  }

  .stage-step {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
    padding: 17px 0;
  }

  .mini-specs > div {
    padding: 13px 14px;
  }

  .mini-specs strong {
    font-size: 1.08rem;
  }

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

  .cap-card {
    min-height: 0;
    padding: 23px 21px 25px;
  }

  .cap-top {
    margin-bottom: 23px;
  }

  .plan {
    padding: 25px 21px;
  }

  .plan h3 {
    font-size: 2rem;
  }

  .plan-icon {
    width: 44px;
    height: 44px;
  }

  .plan-specs > div {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 9px;
    padding: 11px 0;
  }

  .plan-specs strong {
    font-size: 0.81rem;
  }

  .shared-strip {
    gap: 7px 15px;
    padding: 15px 18px;
  }

  .shared-strip span {
    font-size: 0.68rem;
  }

  .compare-block {
    margin-top: 50px;
  }

  .compare-table th,
  .compare-table td {
    padding: 12px 16px;
  }

  .compare-table {
    font-size: 0.8rem;
  }

  .choice-card {
    padding: 22px 20px;
  }

  .arch-card {
    padding: 20px 18px;
  }

  .big-time {
    margin-top: 18px;
  }

  .timeline-stats {
    gap: 25px;
  }

  .timeline {
    padding-top: 0;
  }

  .timeline::before {
    top: 5px;
    bottom: 8px;
    left: 7px;
  }

  .t-step {
    grid-template-columns: 16px minmax(0, 1fr);
    gap: 0 15px;
    padding-bottom: 31px;
  }

  .t-time {
    grid-column: 2;
    grid-row: 1;
    padding-top: 0;
    text-align: left;
  }

  .t-dot {
    grid-column: 1;
    grid-row: 1 / span 2;
    margin-top: 3px;
    margin-left: 2px;
  }

  .t-content {
    grid-column: 2;
    grid-row: 2;
  }

  .t-content h3 {
    margin-top: 3px;
  }

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

  .scene-card {
    min-height: 0;
    padding: 23px 21px;
  }

  .scene-icon {
    margin-bottom: 21px;
  }

  .scene-cta {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .quality-list {
    grid-template-columns: 1fr;
  }

  .quality-list > div {
    min-height: 0;
  }

  .quality-copy h2 {
    font-size: clamp(1.9rem, 8.2vw, 2.7rem);
  }

  .contact {
    padding-top: 74px;
    padding-bottom: 74px;
  }

  .contact h2 {
    font-size: clamp(2.4rem, 11vw, 3.5rem);
  }

  .contact-steps {
    gap: 14px;
    margin-top: 32px;
  }

  .contact-steps strong {
    font-size: 0.78rem;
  }

  .contact-steps p {
    font-size: 0.6rem;
  }

  .contact-card {
    padding: 25px 21px;
  }

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

  .footer-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .footer-top > p {
    font-size: 0.65rem;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 2.35rem;
  }

  .hero-metrics dt {
    font-size: 1.45rem;
  }

  .hud-chip:nth-child(2) {
    display: none;
  }

  .pip {
    width: 38%;
  }

  .console-zoom {
    display: none;
  }

  .contact-phone {
    font-size: 1.95rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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


/* ---------- Mobile comparison cards ---------- */

@media (max-width: 680px) {
  .compare-scroll {
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .compare-table {
    display: block;
    width: 100%;
    min-width: 0;
    border-collapse: collapse;
    font-size: 0.8rem;
  }

  .compare-table thead {
    display: none;
  }

  .compare-table tbody {
    display: block;
    border: 1px solid var(--line-dark);
    background: #fffdf8;
  }

  .compare-table tbody tr {
    display: block;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(7, 16, 20, 0.09);
  }

  .compare-table tbody tr:last-child {
    border-bottom: 0;
  }

  .compare-table tbody th {
    display: block;
    width: auto;
    padding: 0 0 7px;
    border: 0;
    color: #8b9693;
    font-size: 0.67rem;
    font-weight: 600;
    letter-spacing: 0.04em;
  }

  .compare-table tbody td {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 8px;
    padding: 5px 0;
    border: 0;
    background: transparent !important;
    color: #5b6764;
    font-size: 0.82rem;
    font-weight: 400;
    line-height: 1.55;
  }

  .compare-table tbody td::before {
    padding-top: 1px;
    color: #8f9a97;
    font-size: 0.62rem;
    letter-spacing: 0.03em;
  }

  .compare-table tbody td:nth-child(2)::before {
    content: "4G 标准";
  }

  .compare-table tbody td:nth-child(3)::before {
    content: "5G 旗舰";
    color: var(--orange-deep);
  }

  .compare-table tbody td.col-highlight {
    color: #263331;
    font-weight: 600;
  }

  .compare-table tbody td:last-child {
    padding-bottom: 1px;
  }
}


@media (max-width: 680px) {
  .guard-board {
    min-height: 0;
    padding: 20px;
  }

  .guard-body {
    grid-template-columns: 1fr;
    gap: 23px;
    padding: 26px 0 23px;
  }

  .guard-mark {
    width: 152px;
    margin-inline: auto;
  }

  .guard-mark strong {
    font-size: 3rem;
  }

  .guard-copy h3 {
    font-size: 1.5rem;
  }

  .guard-copy p {
    font-size: 0.75rem;
  }

  .guard-foot {
    margin-top: 13px;
  }
}