/* =========================================================
   DATARA · 汽车售后可信数字化诊断系统
   产品官网样式系统
   设计方向：工业诊断仪器 / 深色工程科技 / 安全橙 + 诊断绿
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  --bg: #090b0c;
  --bg-2: #0d1112;
  --surface: #121819;
  --surface-2: #171f20;
  --surface-3: #1d2627;
  --line: rgba(231, 242, 236, 0.1);
  --line-strong: rgba(231, 242, 236, 0.2);
  --text: #edf4f0;
  --text-2: #a6b3ad;
  --text-3: #73817b;
  --orange: #ff5c1a;
  --orange-2: #ff7a3d;
  --orange-soft: rgba(255, 92, 26, 0.12);
  --mint: #3ee0a4;
  --mint-2: #78f0c4;
  --mint-soft: rgba(62, 224, 164, 0.12);
  --yellow: #f4c451;
  --danger: #ff6b6b;
  --radius: 3px;
  --radius-lg: 6px;
  --max: 1240px;
  --gutter: 28px;
  --font-display: "Bahnschrift", "DIN Alternate", "Arial Narrow", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(237, 244, 240, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237, 244, 240, 0.032) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: screen;
}

::selection {
  background: var(--orange);
  color: #080a0a;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
}

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

/* ---------- 3. Utilities ---------- */
.shell {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mint {
  color: var(--mint);
}

.orange {
  color: var(--orange);
}

.muted {
  color: var(--text-2);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 10000;
  padding: 10px 16px;
  background: var(--mint);
  color: #08100c;
  font-weight: 700;
}

.skip-link:focus {
  top: 16px;
}

/* ---------- 4. Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(9, 11, 12, 0.82);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
}

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

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  position: relative;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border-color: var(--mint);
}

.brand-mark::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--mint);
  border-left: 2px solid var(--mint);
}

.brand-mark::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--orange);
  border-right: 2px solid var(--orange);
}

.brand-mark svg {
  width: 22px;
  height: 22px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.14em;
  font-weight: 800;
}

.brand-text small {
  margin-top: 3px;
  color: var(--text-3);
  font-size: 10px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.site-nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 12px;
  color: var(--text-2);
  font-size: 13px;
  transition: color 0.2s, background 0.2s;
}

.site-nav a span {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-3);
  letter-spacing: 0.08em;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.site-nav a:hover span,
.site-nav a.is-active span {
  color: var(--orange);
}

.header-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border: 1px solid var(--line);
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 1px;
  background: var(--text);
  transform: translateX(-50%);
  transition: transform 0.25s var(--ease), opacity 0.25s;
}

.nav-toggle span {
  top: 50%;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  left: 0;
  transform: none;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, color 0.25s, box-shadow 0.25s;
}

.btn .arrow {
  font-size: 16px;
  line-height: 1;
  transition: transform 0.25s var(--ease);
}

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

.btn-primary {
  background: var(--orange);
  color: #0a0c0c;
  box-shadow: 0 0 0 0 rgba(255, 92, 26, 0);
}

.btn-primary:hover {
  background: var(--orange-2);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -12px rgba(255, 92, 26, 0.7);
}

.btn-outline {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.015);
}

.btn-outline:hover {
  border-color: var(--mint);
  color: var(--mint);
  transform: translateY(-2px);
}

.btn-mint {
  background: var(--mint);
  color: #06110c;
}

.btn-mint:hover {
  background: var(--mint-2);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -12px rgba(62, 224, 164, 0.6);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text-2);
}

.btn-ghost:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.btn-text {
  padding-inline: 0;
  min-height: auto;
  color: var(--text-2);
  border: 0;
}

.btn-text:hover {
  color: var(--mint);
}

.btn-sm {
  min-height: 38px;
  padding-inline: 14px;
  font-size: 12px;
}

.btn-lg {
  min-height: 54px;
  padding-inline: 28px;
  font-size: 15px;
}

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  padding: 168px 0 96px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(48% 52% at 74% 34%, rgba(62, 224, 164, 0.11), transparent 70%),
    radial-gradient(38% 42% at 16% 12%, rgba(255, 92, 26, 0.09), transparent 72%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent 46%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 54px;
  align-items: center;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow .dot {
  width: 7px;
  height: 7px;
  background: var(--mint);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(62, 224, 164, 0.5);
  animation: pulse 2.4s infinite;
}

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

.hero h1 {
  font-size: clamp(46px, 6.6vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

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

.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.02em;
  height: 0.07em;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: left;
  animation: underline 0.9s 0.5s var(--ease) forwards;
}

.hero-lede {
  max-width: 520px;
  margin-top: 28px;
  color: var(--text-2);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 44px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-right: 26px;
  margin-right: 26px;
  border-right: 1px solid var(--line);
}

.hero-facts li:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}

.hero-facts strong {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1;
  color: var(--text);
}

.hero-facts span {
  color: var(--text-3);
  font-size: 11px;
  letter-spacing: 0.06em;
}

/* Console visual */
.hero-visual {
  position: relative;
}

.console {
  position: relative;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 40%),
    rgba(13, 17, 18, 0.92);
  box-shadow:
    0 40px 80px -40px rgba(0, 0, 0, 0.9),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.console::before,
.console::after {
  content: "";
  position: absolute;
  z-index: 3;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.console::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--mint);
  border-left: 2px solid var(--mint);
}

.console::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--orange);
  border-right: 2px solid var(--orange);
}

.console-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 44px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--text-3);
}

.console-lights {
  display: inline-flex;
  gap: 5px;
}

.console-lights i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-3);
  opacity: 0.6;
}

.console-lights i:nth-child(1) {
  background: var(--orange);
  opacity: 1;
}

.console-status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--mint);
}

.console-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  animation: blink 2s infinite;
}

.console-body {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr;
  min-height: 370px;
}

.scan-stage {
  position: relative;
  overflow: hidden;
  border-right: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 48%, rgba(62, 224, 164, 0.07), transparent 58%),
    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: auto, 32px 32px, 32px 32px;
  display: grid;
  place-items: center;
  padding: 30px;
}

.scan-stage::before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px dashed rgba(62, 224, 164, 0.18);
  pointer-events: none;
}

.car-svg {
  width: auto;
  height: 86%;
  max-width: 78%;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.6));
}

.car-body {
  fill: #1c2628;
  stroke: rgba(237, 244, 240, 0.4);
  stroke-width: 1.4;
}

.car-glass {
  fill: #111a1c;
  stroke: rgba(62, 224, 164, 0.38);
  stroke-width: 1;
}

.car-wheel {
  fill: #080b0c;
  stroke: rgba(237, 244, 240, 0.22);
  stroke-width: 1;
}

.car-detail {
  fill: none;
  stroke: rgba(62, 224, 164, 0.55);
  stroke-width: 1;
}

.car-scan-ring {
  fill: none;
  stroke: rgba(62, 224, 164, 0.22);
  stroke-width: 1;
  stroke-dasharray: 3 6;
}

.car-scan-ring-2 {
  fill: none;
  stroke: rgba(255, 92, 26, 0.18);
  stroke-width: 1;
  stroke-dasharray: 2 8;
}

.scan-line {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--mint), transparent);
  box-shadow: 0 0 16px 2px rgba(62, 224, 164, 0.35);
  animation: scan 4.6s cubic-bezier(0.45, 0, 0.55, 1) infinite;
  z-index: 2;
  pointer-events: none;
}

.callout {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 8px;
  background: rgba(10, 14, 15, 0.92);
  border: 1px solid var(--line-strong);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.callout::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--mint);
  border-radius: 50%;
}

.callout b {
  color: var(--mint);
  font-size: 10px;
}

.callout-a {
  top: 20%;
  left: 6%;
}

.callout-b {
  top: 46%;
  right: 4%;
}

.callout-b::before {
  background: var(--orange);
}

.callout-b b {
  color: var(--orange);
}

.callout-c {
  bottom: 17%;
  left: 12%;
}

.console-side {
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  gap: 18px;
}

.metric {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}

.metric > span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--text-3);
}

.metric strong {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: 52px;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--text);
}

.metric small {
  margin-left: 4px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 10px;
}

.bars {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.bar-row {
  display: grid;
  grid-template-columns: 58px 1fr 26px;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-3);
}

.bar-track {
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: var(--w, 70%);
  background: var(--mint);
  transform-origin: left;
  animation: barGrow 1.2s var(--ease) both;
}

.bar-row:nth-child(2) .bar-fill {
  background: var(--orange);
}

.bar-row:nth-child(3) .bar-fill {
  background: var(--yellow);
}

.bar-row b {
  color: var(--text-2);
  font-weight: 500;
  text-align: right;
}

.evidence {
  margin-top: auto;
  padding: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.evidence span {
  display: block;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.14em;
}

.evidence b {
  display: block;
  margin-top: 3px;
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1;
}

.evidence small {
  display: block;
  margin-top: 2px;
  color: var(--text-3);
  font-size: 10px;
}

.console-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  color: var(--text-3);
}

.float-tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  background: rgba(13, 17, 18, 0.94);
  border: 1px solid var(--line-strong);
  box-shadow: 0 16px 40px -18px rgba(0, 0, 0, 0.9);
  font-size: 11px;
  color: var(--text-2);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  animation: float 6s ease-in-out infinite;
}

.float-tag .mono {
  color: var(--orange);
  font-size: 9px;
}

.float-a {
  top: -18px;
  right: -18px;
}

.float-b {
  bottom: -18px;
  left: -22px;
  animation-delay: -3s;
}

.hero-scroll {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 56px;
  color: var(--text-3);
}

.hero-scroll .mono {
  font-size: 9px;
}

.hero-scroll i {
  display: block;
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--orange), transparent);
}

/* ---------- 7. Section basics ---------- */
.section {
  position: relative;
  padding: 110px 0;
  scroll-margin-top: 86px;
}

#install,
#qrcode,
#steps,
#faq {
  scroll-margin-top: 96px;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 760px;
  margin-bottom: 54px;
}

.section-head-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  max-width: none;
  align-items: end;
}

.section-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-tag span {
  color: var(--orange);
}

.section-tag::after {
  content: "";
  width: 44px;
  height: 1px;
  background: var(--line-strong);
}

.section h2 {
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.section h2 em {
  font-style: normal;
  color: var(--mint);
}

.section-head > p:not(.section-tag),
.section-note {
  margin-top: 20px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
}

.section-note {
  margin-top: 0;
  padding-bottom: 4px;
}

/* ---------- 8. Problem section ---------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.problem-card {
  position: relative;
  background: var(--bg-2);
  padding: 34px 30px 30px;
  min-height: 230px;
  overflow: hidden;
  transition: background 0.35s var(--ease);
}

.problem-card:hover {
  background: var(--surface);
}

.problem-index {
  display: block;
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 1;
  color: rgba(237, 244, 240, 0.1);
  letter-spacing: -0.05em;
  margin-bottom: 24px;
  transition: color 0.35s;
}

.problem-card:hover .problem-index {
  color: var(--orange);
}

.problem-card h3 {
  font-size: 21px;
  margin-bottom: 10px;
}

.problem-card p {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.8;
}

.problem-line {
  position: absolute;
  left: 30px;
  right: 30px;
  bottom: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.problem-card:hover .problem-line {
  transform: scaleX(1);
}

.statement {
  margin-top: 72px;
  padding: 48px 0 0;
  border-top: 1px solid var(--line);
  position: relative;
}

.statement::before {
  content: "\201C";
  position: absolute;
  top: 18px;
  left: -8px;
  font-family: Georgia, serif;
  font-size: 120px;
  line-height: 1;
  color: rgba(62, 224, 164, 0.16);
}

.statement p {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.25;
  letter-spacing: -0.03em;
  padding-left: 42px;
}

.statement em {
  font-style: normal;
  color: var(--mint);
}

/* ---------- 9. Terminals ---------- */
.terminal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}

.terminal-grid::before {
  content: "";
  position: absolute;
  top: 58px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent);
  z-index: 0;
}

.terminal-card {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 360px;
  padding: 22px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), border-color 0.35s, background 0.35s;
}

.terminal-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  background: var(--surface);
}

.terminal-card::before,
.terminal-card::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  opacity: 0;
  transition: opacity 0.3s;
}

.terminal-card::before {
  top: -1px;
  left: -1px;
  border-top: 1px solid var(--mint);
  border-left: 1px solid var(--mint);
}

.terminal-card::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 1px solid var(--orange);
  border-right: 1px solid var(--orange);
}

.terminal-card:hover::before,
.terminal-card:hover::after {
  opacity: 1;
}

.terminal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 30px;
}

.terminal-type {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--text-3);
  border: 1px solid var(--line);
  padding: 3px 7px;
}

.terminal-status {
  font-size: 10px;
  color: var(--text-3);
}

.terminal-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  margin-bottom: 20px;
  color: var(--mint);
  background: var(--mint-soft);
}

.terminal-icon svg {
  width: 24px;
  height: 24px;
}

.terminal-card h3 {
  font-size: 22px;
  margin-bottom: 4px;
}

.terminal-role {
  color: var(--orange);
  font-size: 11px;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.terminal-card p {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.75;
}

.terminal-card ul {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.terminal-card li {
  position: relative;
  padding-left: 13px;
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.6;
}

.terminal-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 4px;
  height: 4px;
  background: var(--text-3);
}

.terminal-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 22px;
  color: var(--mint);
  font-size: 12px;
  font-weight: 700;
}

.terminal-link span {
  transition: transform 0.25s var(--ease);
}

.terminal-link:hover span {
  transform: translateX(4px);
}

.terminal-link.muted {
  color: var(--text-3);
}

.terminal-sa .terminal-icon {
  color: var(--orange);
  background: var(--orange-soft);
}

.terminal-mini .terminal-icon {
  color: #5ce07a;
  background: rgba(92, 224, 122, 0.1);
}

/* ---------- 10. Capabilities ---------- */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cap-card {
  position: relative;
  background: var(--bg-2);
  padding: 30px 26px;
  min-height: 250px;
  transition: background 0.35s;
}

.cap-card:hover {
  background: var(--surface);
}

.cap-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 34px;
}

.cap-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--mint);
  border: 1px solid var(--line);
}

.cap-icon svg {
  width: 20px;
  height: 20px;
}

.cap-tag {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  color: var(--text-3);
  border: 1px solid var(--line);
  padding: 3px 6px;
}

.cap-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.cap-card p {
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.75;
}

.cap-card:nth-child(2) .cap-icon,
.cap-card:nth-child(5) .cap-icon {
  color: var(--orange);
}

/* ---------- 11. Flow ---------- */
.flow-track {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.flow-step {
  position: relative;
  padding: 28px 18px 30px;
  border-right: 1px solid var(--line);
  transition: background 0.3s;
}

.flow-step:last-child {
  border-right: 0;
}

.flow-step:hover {
  background: rgba(255, 255, 255, 0.025);
}

.flow-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 18px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--text-3);
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.flow-step:hover::before {
  background: var(--mint);
  border-color: var(--mint);
  box-shadow: 0 0 0 4px rgba(62, 224, 164, 0.15);
}

.flow-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 16px;
}

.flow-step h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.flow-step p {
  color: var(--text-2);
  font-size: 11px;
  line-height: 1.7;
  min-height: 56px;
}

.flow-actor {
  display: inline-block;
  margin-top: 12px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--text-3);
  border: 1px solid var(--line);
}

.flow-actor.actor-sa {
  color: var(--orange);
  border-color: rgba(255, 92, 26, 0.3);
}

.flow-actor.actor-tech {
  color: var(--mint);
  border-color: rgba(62, 224, 164, 0.3);
}

.flow-actor.actor-customer {
  color: var(--yellow);
  border-color: rgba(244, 196, 81, 0.3);
}

/* ---------- 12. Value ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.value-card {
  position: relative;
  padding: 34px 30px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent);
  overflow: hidden;
}

.value-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(62, 224, 164, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.value-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-bottom: 22px;
}

.value-card h3 {
  font-size: 25px;
  margin-bottom: 12px;
}

.value-card p {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.8;
}

.value-card ul {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.value-card li {
  color: var(--text-2);
  font-size: 12px;
  padding-left: 14px;
  position: relative;
}

.value-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 1px;
  background: var(--mint);
}

/* ---------- 13. Downloads ---------- */
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.download-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px;
  border: 1px solid var(--line);
  background:
    radial-gradient(80% 80% at 100% 0%, rgba(255, 92, 26, 0.08), transparent 60%),
    var(--bg-2);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s;
}

.download-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
}

.download-card.download-tech {
  background:
    radial-gradient(80% 80% at 100% 0%, rgba(62, 224, 164, 0.08), transparent 60%),
    var(--bg-2);
}

.download-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 26px;
}

.app-badge {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #0a0c0c;
  background: var(--orange);
}

.download-tech .app-badge {
  background: var(--mint);
}

.download-head .mono {
  color: var(--text-3);
  font-size: 9px;
}

.download-card h3 {
  font-size: 30px;
  margin-bottom: 6px;
}

.download-card > p {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.75;
  max-width: 420px;
}

.mini-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 18px;
  margin: 22px 0 26px;
}

.mini-list li {
  position: relative;
  padding-left: 14px;
  color: var(--text-2);
  font-size: 12px;
}

.mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border: 1px solid var(--mint);
}

.download-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.download-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 22px;
}

.mini-cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  margin-top: 16px;
  padding: 30px 32px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(92, 224, 122, 0.06), transparent 55%),
    var(--bg-2);
}

.mini-cta-copy .mono {
  color: #5ce07a;
  font-size: 9px;
}

.mini-cta-copy h3 {
  font-size: 25px;
  margin: 12px 0 6px;
}

.mini-cta-copy p {
  color: var(--text-2);
  font-size: 13px;
  max-width: 620px;
}

.mini-cta-copy .btn {
  margin-top: 20px;
}

.mini-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: #fff;
  color: #15201b;
  transition: transform 0.3s var(--ease);
}

.mini-qr:hover {
  transform: scale(1.03);
}

.mini-qr img {
  width: 150px;
  height: 150px;
}

.mini-qr span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* ---------- 14. Page hero (sub pages) ---------- */
.page-hero {
  position: relative;
  padding: 150px 0 76px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 60% at 78% 20%, rgba(62, 224, 164, 0.1), transparent 70%),
    radial-gradient(36% 42% at 12% 50%, rgba(255, 92, 26, 0.07), transparent 72%);
  pointer-events: none;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.breadcrumb a:hover {
  color: var(--mint);
}

.breadcrumb .sep {
  color: var(--orange);
}

.page-hero h1 {
  font-size: clamp(40px, 5.4vw, 70px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.page-hero h1 em {
  font-style: normal;
  color: var(--mint);
}

.page-lede {
  max-width: 540px;
  margin-top: 22px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
}

.app-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.app-kicker .app-badge {
  width: 48px;
  height: 48px;
  font-size: 17px;
}

.app-kicker .mono {
  color: var(--text-3);
  font-size: 9px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.meta-pill b {
  color: var(--mint);
  font-weight: 500;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.download-note {
  margin-top: 14px;
  color: var(--text-3);
  font-size: 11px;
}

/* Phone mockup */
.phone-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  position: relative;
}

.phone-wrap::before {
  content: "";
  position: absolute;
  width: 78%;
  height: 78%;
  top: 11%;
  left: 11%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(62, 224, 164, 0.12), transparent 68%);
  filter: blur(20px);
  pointer-events: none;
}

.phone {
  position: relative;
  z-index: 1;
  width: 292px;
  aspect-ratio: 9 / 19;
  padding: 9px;
  border: 1px solid #2a3537;
  border-radius: 38px;
  background: #050708;
  box-shadow:
    0 50px 90px -40px rgba(0, 0, 0, 0.95),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.phone::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 50%;
  width: 86px;
  height: 17px;
  background: #050708;
  border-radius: 0 0 12px 12px;
  transform: translateX(-50%);
  z-index: 5;
}

.phone-screen {
  height: 100%;
  padding: 30px 12px 12px;
  border-radius: 30px;
  background: #0d1314;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.phone-status {
  display: flex;
  justify-content: space-between;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.06em;
  padding: 0 4px;
}

.phone-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 3px 4px;
}

.phone-head strong {
  font-size: 13px;
  letter-spacing: -0.01em;
}

.phone-head span {
  font-family: var(--font-mono);
  font-size: 7px;
  color: var(--text-3);
}

.phone-tabs {
  display: flex;
  gap: 4px;
  padding: 2px 0 5px;
}

.phone-tabs span {
  padding: 4px 7px;
  font-size: 8px;
  color: var(--text-3);
  border: 1px solid var(--line);
}

.phone-tabs span.on {
  background: var(--orange);
  border-color: var(--orange);
  color: #0b0d0d;
  font-weight: 700;
}

.phone-card {
  padding: 10px;
  border: 1px solid var(--line);
  background: #141c1d;
  border-radius: 7px;
}

.phone-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 7px;
}

.plate {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--text);
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 7px;
  color: var(--mint);
}

.status-dot::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
}

.status-dot.warn {
  color: var(--orange);
}

.phone-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--text-3);
  font-size: 8px;
  line-height: 1.6;
}

.phone-line b {
  color: var(--text-2);
  font-weight: 500;
}

.phone-progress {
  height: 3px;
  margin-top: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.phone-progress i {
  display: block;
  height: 100%;
  width: var(--w, 60%);
  background: var(--mint);
}

.phone-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.phone-stat {
  padding: 8px 6px;
  border: 1px solid var(--line);
  text-align: center;
}

.phone-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1;
}

.phone-stat span {
  display: block;
  margin-top: 3px;
  color: var(--text-3);
  font-size: 6px;
  letter-spacing: 0.06em;
}

.phone-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
}

.phone-item:last-child {
  border-bottom: 0;
}

.phone-item-icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--mint);
  font-size: 8px;
  flex-shrink: 0;
}

.phone-item-icon.orange {
  color: var(--orange);
}

.phone-item-main {
  flex: 1;
  min-width: 0;
}

.phone-item-main b {
  display: block;
  font-size: 8px;
  color: var(--text-2);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.phone-item-main span {
  display: block;
  margin-top: 2px;
  color: var(--text-3);
  font-size: 7px;
}

.phone-item-state {
  font-size: 7px;
  color: var(--mint);
}

.phone-item-state.warn {
  color: var(--orange);
}

.phone-score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 10px;
  border: 1px solid rgba(62, 224, 164, 0.25);
  background: rgba(62, 224, 164, 0.06);
}

.phone-score strong {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.phone-score span {
  display: block;
  color: var(--text-3);
  font-size: 7px;
  letter-spacing: 0.06em;
}

.phone-score em {
  font-style: normal;
  color: var(--mint);
  font-size: 8px;
}

.phone-sign {
  margin-top: auto;
  padding: 10px;
  border: 1px dashed var(--line-strong);
  color: var(--text-3);
  font-size: 7px;
  text-align: center;
}

.phone-sign b {
  display: block;
  margin-top: 14px;
  font-family: "Segoe Script", "Comic Sans MS", cursive;
  font-size: 13px;
  color: var(--text-2);
  font-weight: 400;
  transform: rotate(-4deg);
}

.phone-btn {
  margin-top: auto;
  padding: 8px;
  background: var(--orange);
  color: #0b0d0d;
  text-align: center;
  font-size: 8px;
  font-weight: 700;
  border-radius: 4px;
}

.phone-btn.mint {
  background: var(--mint);
}

.phone-photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.phone-photo {
  aspect-ratio: 1;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(62, 224, 164, 0.12), transparent),
    #101718;
  display: grid;
  place-items: center;
  color: var(--text-3);
  font-size: 7px;
}

.phone-badge {
  display: inline-block;
  padding: 2px 5px;
  font-size: 6px;
  letter-spacing: 0.06em;
  color: var(--mint);
  border: 1px solid rgba(62, 224, 164, 0.3);
}

.phone-badge.orange {
  color: var(--orange);
  border-color: rgba(255, 92, 26, 0.3);
}

/* ---------- 15. Feature grid / screens / steps / specs ---------- */
.subsection {
  padding: 96px 0;
}

.subsection + .subsection {
  border-top: 1px solid var(--line);
}

.subhead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 44px;
}

.subhead h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.06;
}

.subhead p {
  max-width: 420px;
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-card {
  background: var(--bg-2);
  padding: 28px 26px;
  min-height: 190px;
  transition: background 0.3s;
}

.feature-card:hover {
  background: var(--surface);
}

.feature-card .cap-icon {
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 7px;
}

.feature-card p {
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.75;
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  justify-items: center;
}

.screen-grid.screen-grid-2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 760px;
  margin-inline: auto;
}

.screen-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 100%;
}

.screen-item .phone {
  width: min(232px, 100%);
}

.screen-caption {
  text-align: center;
}

.screen-caption b {
  display: block;
  font-size: 14px;
}

.screen-caption span {
  display: block;
  margin-top: 4px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
}

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

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

.step-card {
  background: var(--bg-2);
  padding: 28px 24px;
}

.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--orange);
  margin-bottom: 18px;
}

.step-card h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.step-card p {
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.75;
}

.notice {
  display: flex;
  gap: 14px;
  margin-top: 22px;
  padding: 16px 18px;
  border: 1px solid rgba(244, 196, 81, 0.22);
  background: rgba(244, 196, 81, 0.05);
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.75;
}

.notice .mono {
  flex-shrink: 0;
  color: var(--yellow);
  font-size: 9px;
  padding-top: 2px;
}

.spec-table {
  border: 1px solid var(--line);
}

.spec-row {
  display: grid;
  grid-template-columns: 170px 1fr;
  border-bottom: 1px solid var(--line);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-key {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-right: 1px solid var(--line);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.spec-val {
  padding: 14px 18px;
  color: var(--text-2);
  font-size: 12px;
  word-break: break-all;
}

.spec-val code {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
}

.cross-link {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  margin-top: 16px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  transition: border-color 0.3s, background 0.3s;
}

.cross-link:hover {
  border-color: var(--line-strong);
  background: var(--surface);
}

.cross-link b {
  display: block;
  font-size: 17px;
}

.cross-link span {
  display: block;
  margin-top: 3px;
  color: var(--text-3);
  font-size: 11px;
}

.cross-link .arrow {
  font-size: 22px;
  color: var(--mint);
}

/* ---------- 16. Mini program page ---------- */
.qr-panel {
  position: relative;
  z-index: 1;
  padding: 18px;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.9);
  max-width: 330px;
}

.qr-panel img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.qr-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 12px;
  color: #56625d;
  font-size: 11px;
}

.qr-caption b {
  color: #15201b;
}

.qr-caption .wechat-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #07c160;
  font-weight: 700;
}

.qr-caption .wechat-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #07c160;
}

.qr-wrap {
  position: relative;
  width: fit-content;
  margin-left: auto;
}

.qr-wrap::before,
.qr-wrap::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  pointer-events: none;
}

.qr-wrap::before {
  top: -8px;
  left: -8px;
  border-top: 2px solid var(--mint);
  border-left: 2px solid var(--mint);
}

.qr-wrap::after {
  bottom: -8px;
  right: -8px;
  border-bottom: 2px solid var(--orange);
  border-right: 2px solid var(--orange);
}

.qr-hint {
  margin-top: 14px;
  color: var(--text-3);
  font-size: 11px;
  text-align: center;
}

.qr-hint a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mini-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.mini-hero-points span {
  padding: 5px 9px;
  border: 1px solid var(--line);
  color: var(--text-2);
  font-size: 10px;
}

.mini-hero-points span::before {
  content: "✓";
  margin-right: 5px;
  color: var(--mint);
}

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

.mini-feature {
  padding: 26px 24px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  transition: background 0.3s, border-color 0.3s;
}

.mini-feature:hover {
  background: var(--surface);
  border-color: var(--line-strong);
}

.mini-feature .cap-icon {
  margin-bottom: 18px;
}

.mini-feature h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.mini-feature p {
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.75;
}

.share-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 42px;
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(255, 92, 26, 0.06), transparent 52%),
    var(--bg-2);
}

.share-panel h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.08;
}

.share-panel p {
  margin-top: 16px;
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.8;
}

.share-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.share-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.65;
}

.share-list b {
  flex-shrink: 0;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  padding-top: 2px;
}

.share-mock {
  border: 1px solid var(--line-strong);
  background: #111819;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.9);
}

.share-mock-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.share-mock-body {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 16px;
}

.share-mock-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(62, 224, 164, 0.3);
  color: var(--mint);
  background: var(--mint-soft);
}

.share-mock-icon svg {
  width: 24px;
  height: 24px;
}

.share-mock-body b {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

.share-mock-body span {
  display: block;
  color: var(--text-3);
  font-size: 10px;
  line-height: 1.7;
}

.share-mock-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 10px;
}

.share-mock-foot .mint {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
}

/* ---------- 16b. FAQ ---------- */
.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
  transition: transform 0.25s var(--ease);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:hover {
  color: var(--mint);
}

.faq-item p {
  max-width: 880px;
  padding: 0 4px 22px;
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.8;
}

/* ---------- 17. Footer ---------- */
.site-footer {
  position: relative;
  border-top: 1px solid var(--line);
  background: #070909;
  padding: 64px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.7fr 0.9fr;
  gap: 48px;
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-brand p {
  max-width: 320px;
  color: var(--text-3);
  font-size: 12px;
  line-height: 1.8;
}

.footer-col h4 {
  margin-bottom: 16px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col a,
.footer-col span {
  color: var(--text-2);
  font-size: 12px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--mint);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 52px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.footer-bottom .status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.footer-bottom .status::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
}

/* ---------- 18. Reveal animation ---------- */
.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.reveal-delay-1 {
  transition-delay: 0.08s;
}

.reveal-delay-2 {
  transition-delay: 0.16s;
}

.reveal-delay-3 {
  transition-delay: 0.24s;
}

/* ---------- 19. Keyframes ---------- */
@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(62, 224, 164, 0.45);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(62, 224, 164, 0);
  }
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

@keyframes underline {
  to {
    transform: scaleX(1);
  }
}

@keyframes scan {
  0% {
    top: 14%;
    opacity: 0;
  }
  12% {
    opacity: 1;
  }
  88% {
    opacity: 1;
  }
  100% {
    top: 84%;
    opacity: 0;
  }
}

@keyframes barGrow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

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

/* ---------- 20. Responsive ---------- */
@media (max-width: 1120px) {
  .header-inner {
    gap: 16px;
  }

  .site-nav a {
    padding-inline: 8px;
  }

  .hero-grid,
  .page-hero-grid {
    gap: 36px;
  }

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

  .terminal-grid::before {
    display: none;
  }

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

  .flow-track {
    grid-template-columns: repeat(4, 1fr);
  }

  .flow-step:nth-child(4) {
    border-right: 0;
  }

  .flow-step:nth-child(n + 5) {
    border-top: 1px solid var(--line);
  }

  .footer-grid {
    grid-template-columns: 1.2fr 0.8fr 0.8fr;
  }

  .footer-col:last-child {
    display: none;
  }
}

@media (max-width: 900px) {
  :root {
    --gutter: 20px;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    background: rgba(9, 11, 12, 0.98);
    border-bottom: 1px solid var(--line);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
  }

  .nav-toggle {
    display: block;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding: 130px 0 70px;
  }

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

  .hero-visual {
    max-width: 620px;
    width: 100%;
    margin: 0 auto;
  }

  .float-a {
    right: 0;
  }

  .float-b {
    left: 0;
  }

  .section {
    padding: 82px 0;
  }

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

  .section-note {
    margin-top: 8px;
  }

  .problem-grid,
  .value-grid {
    grid-template-columns: 1fr;
  }

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

  .statement p {
    padding-left: 0;
  }

  .statement::before {
    display: none;
  }

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

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

  .screen-grid,
  .screen-grid.screen-grid-2 {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .steps,
  .steps.steps-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .share-panel {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 30px;
  }

  .mini-cta {
    grid-template-columns: 1fr;
  }

  .mini-qr {
    justify-self: start;
  }

  .subhead {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .page-hero {
    padding: 126px 0 60px;
  }

  .phone-wrap {
    margin-top: 10px;
  }

  .qr-wrap {
    margin: 10px auto 0;
  }
}

@media (max-width: 620px) {
  .brand-text small {
    display: none;
  }

  .hero h1 {
    font-size: clamp(40px, 12vw, 58px);
  }

  .hero-lede {
    font-size: 15px;
  }

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

  .hero-facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .hero-facts li {
    border-right: 0;
    padding-right: 0;
    margin-right: 0;
  }

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

  .scan-stage {
    min-height: 300px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .console-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .metric {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .metric strong {
    font-size: 40px;
  }

  .callout {
    font-size: 8px;
    padding: 4px 6px;
  }

  .callout-a {
    top: 13%;
    left: 2%;
  }

  .callout-b {
    top: 50%;
    right: 1%;
  }

  .callout-c {
    bottom: 13%;
    left: 5%;
  }

  .float-tag {
    display: none;
  }

  .terminal-grid,
  .capability-grid,
  .feature-grid,
  .mini-feature-grid,
  .steps,
  .steps.steps-3 {
    grid-template-columns: 1fr;
  }

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

  .flow-step:nth-child(2n) {
    border-right: 0;
  }

  .flow-step:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .flow-step p {
    min-height: 0;
  }

  .download-card {
    padding: 24px;
  }

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

  .download-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

  .download-actions .btn-primary,
  .download-actions .btn-mint {
    width: 100%;
  }

  .mini-qr img {
    width: 128px;
    height: 128px;
  }

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

  .spec-key {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .footer-col:last-child {
    display: block;
  }

  .phone {
    width: 270px;
  }

  .section h2 {
    font-size: clamp(30px, 9vw, 42px);
  }

  .qr-panel {
    margin: 0 auto;
  }
}

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

  .reveal,
  .js .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* =========================================================
   21. 2026-11 视觉升级：真实场景、简洁图标、清晰下载入口
   ========================================================= */

body {
  background: #0a0d0e;
}

body::before {
  display: none;
}

body::after {
  opacity: 0.012;
}

.hero {
  padding: 144px 0 88px;
}

.hero::before {
  background:
    radial-gradient(46% 52% at 78% 32%, rgba(62, 224, 164, 0.07), transparent 72%),
    radial-gradient(34% 38% at 10% 20%, rgba(255, 92, 26, 0.05), transparent 72%);
}

.hero-grid {
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 62px;
}

.hero h1 {
  font-size: clamp(44px, 5.6vw, 76px);
  line-height: 1.04;
}

.hero h1 em::after {
  display: none;
}

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

.hero-scroll {
  margin-top: 40px;
}

.section {
  padding: 96px 0;
}

.section-head {
  margin-bottom: 44px;
}

.subsection {
  padding: 84px 0;
}

.btn {
  border-radius: 10px;
  font-weight: 650;
}

.btn-lg {
  min-height: 50px;
}

.site-nav a {
  padding-inline: 10px;
  font-size: 14px;
}

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

.brand-mark {
  border-radius: 11px;
  background: transparent;
}

.brand-mark::before,
.brand-mark::after {
  display: none;
}

.brand-mark svg {
  width: 25px;
  height: 25px;
  color: var(--mint);
}

.terminal-card::before,
.terminal-card::after,
.qr-wrap::before,
.qr-wrap::after {
  display: none;
}

.terminal-card,
.mini-feature,
.value-card,
.download-card,
.mini-cta,
.share-panel,
.cross-link {
  border-radius: 16px;
}

.problem-grid,
.capability-grid,
.feature-grid,
.steps,
.spec-table {
  border-radius: 16px;
  overflow: hidden;
}

.terminal-card:hover,
.download-card:hover {
  transform: translateY(-3px);
}

.terminal-icon,
.cap-icon {
  width: 26px;
  height: 26px;
  border: 0;
  border-radius: 0;
  background: transparent !important;
}

.terminal-icon {
  margin-bottom: 18px;
}

.terminal-icon svg,
.cap-icon svg {
  width: 24px;
  height: 24px;
}

.cap-top {
  margin-bottom: 26px;
}

.cap-tag {
  padding: 0;
  border: 0;
}

.feature-card .cap-icon,
.mini-feature .cap-icon {
  margin-bottom: 16px;
}

.app-badge {
  border-radius: 12px;
  font-size: 17px;
}

.download-tech .app-badge {
  font-size: 13px;
}

.download-card,
.download-card.download-tech {
  padding: 30px;
  background: var(--bg-2);
}

.problem-index {
  font-size: 42px;
  color: var(--text-3);
  opacity: 0.55;
}

.statement::before {
  display: none;
}

.statement p {
  padding-left: 0;
}

.qr-panel,
.mini-qr {
  border-radius: 14px;
}

.qr-panel img {
  border-radius: 6px;
}

/* 真实场景图片 */
.photo-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 26px 64px -34px rgba(0, 0, 0, 0.72);
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 38%, rgba(5, 8, 8, 0.88) 100%);
  pointer-events: none;
}

.photo-frame figcaption {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 26px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.photo-kicker {
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.photo-frame figcaption strong {
  max-width: 480px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.photo-frame figcaption > span:last-child:not(.photo-kicker) {
  color: #c9d3ce;
  font-size: 12px;
  line-height: 1.65;
}

.hero-photo-wrap {
  position: relative;
}

.hero-photo {
  aspect-ratio: 1.22 / 1;
}

.hero-photo img {
  object-position: 58% center;
}

.hero-proof-card {
  position: absolute;
  top: 24px;
  left: -18px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 17px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: rgba(11, 16, 16, 0.94);
  box-shadow: 0 16px 40px -22px rgba(0, 0, 0, 0.8);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.proof-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--mint);
}

.proof-icon svg {
  width: 18px;
  height: 18px;
}

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

.hero-proof-card strong {
  font-size: 13px;
}

.hero-proof-card div > span {
  margin-top: 2px;
  color: var(--text-2);
  font-size: 10px;
}

.photo-index {
  position: absolute;
  top: 20px;
  right: 22px;
  z-index: 1;
  color: rgba(255, 255, 255, 0.76);
  font-size: 8px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
}

/* 首页真实现场三联图 */
.scene-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 64px;
}

.scene-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-2);
}

.scene-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.scene-card:hover img {
  transform: scale(1.025);
}

.scene-card figcaption {
  padding: 22px;
}

.scene-card figcaption > span {
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scene-card figcaption strong {
  display: block;
  margin: 8px 0 7px;
  font-size: 20px;
}

.scene-card figcaption p {
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.75;
}

/* 下载页首屏：场景图 + 可保存下载二维码 */
.download-hero-visual {
  position: relative;
  padding: 0 0 86px 36px;
}

.download-tech-visual {
  padding: 0 36px 86px 0;
}

.app-photo {
  aspect-ratio: 1.08 / 1;
}

.app-photo figcaption strong {
  font-size: 18px;
}

.download-qr-card {
  position: absolute;
  bottom: 0;
  width: 220px;
  padding: 14px;
  border-radius: 16px;
  background: #fff;
  color: #15201b;
  box-shadow: 0 24px 54px -24px rgba(0, 0, 0, 0.75);
}

.download-sa-visual .download-qr-card {
  left: 0;
}

.download-tech-visual .download-qr-card {
  right: 0;
}

.qr-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  color: #65736c;
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.qr-card-head .mono {
  color: #65736c;
  font-size: 8px;
}

.qr-card-head > span:last-child {
  color: #14865b;
  font-weight: 700;
}

.download-qr-card > img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.qr-card-copy {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #e5ebe7;
}

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

.qr-card-copy strong {
  font-size: 13px;
}

.qr-card-copy span {
  margin-top: 4px;
  color: #607069;
  font-family: var(--font-mono);
  font-size: 9px;
}

.download-qr-card > a {
  display: inline-block;
  margin-top: 8px;
  color: #14865b;
  font-size: 11px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 首页下载卡二维码 */
.download-scan {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.download-scan img {
  width: 104px;
  height: 104px;
  flex-shrink: 0;
  padding: 5px;
  border-radius: 10px;
  background: #fff;
}

.download-scan strong,
.download-scan span,
.download-scan small {
  display: block;
}

.download-scan strong {
  font-size: 13px;
}

.download-scan span {
  margin-top: 4px;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 10px;
}

.download-scan small {
  margin-top: 4px;
  color: var(--text-3);
  font-size: 10px;
}

.share-photo {
  aspect-ratio: 1.2 / 1;
}

/* 视觉升级响应式 */
@media (max-width: 1120px) {
  .hero-grid {
    gap: 38px;
  }

  .hero-photo {
    min-height: 420px;
  }

  .download-qr-card {
    width: 200px;
  }
}

@media (max-width: 900px) {
  .hero {
    padding: 126px 0 72px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .hero-photo {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

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

  .scene-card {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
  }

  .scene-card img {
    height: 100%;
    aspect-ratio: auto;
  }

  .download-hero-visual,
  .download-tech-visual {
    padding: 0 0 190px;
  }

  .app-photo {
    aspect-ratio: 16 / 10;
  }

  .download-sa-visual .download-qr-card,
  .download-tech-visual .download-qr-card {
    left: 50%;
    right: auto;
    width: 220px;
    transform: translateX(-50%);
  }

  .share-photo {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 620px) {
  .hero h1 {
    font-size: clamp(38px, 11vw, 52px);
  }

  .hero-photo-wrap {
    padding-bottom: 0;
  }

  .hero-photo {
    aspect-ratio: 4 / 5;
  }

  .hero-photo img {
    object-position: 64% center;
  }

  .hero-photo figcaption {
    left: 20px;
    right: 20px;
    bottom: 22px;
  }

  .hero-proof-card {
    position: relative;
    top: auto;
    left: auto;
    bottom: auto;
    margin: 12px 0 0;
  }

  .photo-index {
    display: none;
  }

  .scene-card {
    display: block;
  }

  .scene-card img {
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .download-hero-visual,
  .download-tech-visual {
    padding-bottom: 182px;
  }

  .app-photo {
    aspect-ratio: 4 / 3;
  }

  .app-photo figcaption strong {
    font-size: 16px;
  }

  .download-sa-visual .download-qr-card,
  .download-tech-visual .download-qr-card {
    width: 208px;
  }

  .download-scan {
    align-items: flex-start;
  }

  .download-scan img {
    width: 96px;
    height: 96px;
  }

  .share-photo {
    aspect-ratio: 4 / 3;
  }
}