:root {
  --paper:var(--qj-background);
  --ink:var(--qj-ink);
  --muted:var(--qj-secondary);
  --green:var(--qj-link);
  --line:var(--qj-line);
  --orange:var(--qj-warm);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
* {
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:100px;
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a {
  color:inherit;
  text-decoration:none;
}
button {
  font:inherit;
}
img {
  display:block;
  max-width:100%;
}
button,a {
  -webkit-tap-highlight-color:transparent;
}
a:focus-visible,button:focus-visible {
  outline:3px solid var(--green);
  outline-offset:6px;
}
a:hover {
  color:var(--green);
}
.shell {
  width:min(1180px,calc(100% - 80px));
  margin-inline:auto;
}
.skip-link {
  position:fixed;
  top:8px;
  left:12px;
  z-index:100;
  background:white;
  padding:10px 20px;
  transform:translateY(-160%);
}
.skip-link:focus {
  transform:none;
}
.site-header {
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(242,242,247,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.header-inner {
  display:flex;
  justify-content:space-between;
  align-items:center;
  height:86px;
  gap:24px;
}
.brand {
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:19px;
  font-weight:650;
  white-space:nowrap;
  letter-spacing:.02em;
}
.brand img {
  border-radius:11px;
}
nav {
  display:flex;
  align-items:center;
  gap:32px;
  font-size:14px;
}
.nav-download {
  padding:9px 18px;
  border:1px solid #bedbd3;
  border-radius:100px;
}
.nav-download span {
  margin-left:12px;
}
.hero {
  display:grid;
  grid-template-columns:1.05fr 1fr;
  align-items:center;
  gap:30px;
  padding-block:76px 90px;
  min-height:760px;
}
.eyebrow {
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--green);
  margin:0 0 24px;
}
.tiny-dot {
  display:inline-block;
  width:7px;
  height:7px;
  background:var(--green);
  border-radius:50%;
  margin-right:10px;
  vertical-align:middle;
}
h1,h2,h3,p {
  margin-top:0;
}
h1 {
  font-size:clamp(40px,4.6vw,65px);
  font-weight:650;
  letter-spacing:-.05em;
  line-height:1.35;
  margin-bottom:30px;
}
.marked {
  position:relative;
  white-space:nowrap;
}
.marked svg {
  position:absolute;
  bottom:-8px;
  left:0;
  width:100%;
  height:14px;
  stroke:var(--orange);
  stroke-width:5;
  stroke-linecap:round;
  fill:none;
  z-index:-1;
}
.hero-description {
  font-size:18px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:32px;
}
.hero-actions {
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}
.store-button {
  display:inline-flex;
  align-items:center;
  gap:12px;
  background:var(--ink);
  color:white;
  border-radius:13px;
  padding:12px 19px;
  line-height:1.2;
  transition:transform .2s,background .2s;
}
.store-button:hover {
  background:var(--green);
  color:white;
  transform:translateY(-2px);
}
.store-button svg {
  width:23px;
  height:29px;
}
.store-button small {
  display:block;
  font-size:10px;
  letter-spacing:.05em;
  margin-bottom:4px;
}
.store-button strong {
  font-size:22px;
  font-weight:600;
  letter-spacing:-.02em;
}
.button-arrow {
  align-self:start;
  margin-left:18px;
  font-size:19px;
}
.text-link {
  font-size:13px;
  border-bottom:1px solid #bedbd3;
  padding-block:6px;
}
.text-link span {
  margin-left:10px;
}
.device-note {
  color:var(--muted);
  font-size:11px;
  margin:17px 0 0;
}
.hero-visual {
  position:relative;
  height:580px;
  isolation:isolate;
}
.visual-orbit {
  position:absolute;
  width:110%;
  aspect-ratio:1;
  border-radius:50%;
  background:var(--qj-soft);
  left:-6%;
  top:5%;
  z-index:-1;
}
.visual-orbit:after {
  content:"";
  position:absolute;
  inset:22px;
  border:1px solid #c1e7dc;
  border-radius:50%;
}
.hero-shot {
  position:absolute;
  overflow:hidden;
  border-radius:19px;
  box-shadow:0 20px 42px -20px #1a463b66;
  outline:1px solid #ffffff9c;
  line-height:0;
}
.hero-shot img {
  width:100%;
  height:auto;
}
.shot-back {
  width:43%;
  top:10px;
  left:1%;
  transform:rotate(-8deg);
}
.shot-front {
  width:49%;
  right:0;
  top:55px;
  transform:rotate(6deg);
}
.visual-caption {
  position:absolute;
  bottom:-10px;
  left:5%;
  font-size:12px;
  letter-spacing:.04em;
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--muted);
}
.visual-caption span {
  font-size:28px;
  color:var(--green);
}
.workflow {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding-block:36px;
  margin-bottom:100px;
}
.workflow article {
  padding-inline:40px;
  border-right:1px solid var(--line);
}
.workflow article:first-child {
  padding-left:0;
}
.workflow article:last-child {
  border-right:0;
}
.step-no {
  color:var(--green);
  font-size:12px;
  letter-spacing:.08em;
}
h2 {
  font-size:clamp(30px,3.2vw,43px);
  line-height:1.45;
  letter-spacing:-.035em;
  font-weight:600;
}
.workflow h2 {
  font-size:23px;
  margin:12px 0 8px;
}
.workflow p {
  font-size:14px;
  line-height:1.9;
  color:var(--muted);
  margin:0;
}
.screens-section {
  background:var(--qj-faint);
  padding-block:80px 64px;
}
.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:42px;
}
.section-heading h2 {
  margin-bottom:0;
}
.section-heading>p {
  font-size:14px;
  color:var(--muted);
  margin-bottom:7px;
}
.section-heading .eyebrow {
  margin-bottom:16px;
}
.screens-grid {
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:20px;
}
.screen-card {
  margin:0;
  min-width:0;
}
.screenshot-button {
  padding:0;
  border:0;
  position:relative;
  display:block;
  width:100%;
  border-radius:14px;
  overflow:hidden;
  cursor:zoom-in;
  background:var(--qj-accent);
  box-shadow:0 8px 24px -16px #173e3270;
  transition:transform .25s,box-shadow .25s;
}
.screenshot-button:hover {
  transform:translateY(-6px);
  box-shadow:0 18px 30px -18px #173e3270;
}
.screenshot-button img {
  width:100%;
  height:auto;
}
.zoom-label {
  position:absolute;
  bottom:12px;
  right:10px;
  border-radius:30px;
  padding:4px 10px;
  font-size:10px;
  background:#fff;
  color:var(--ink);
  opacity:0;
  transition:opacity .2s;
}
.screenshot-button:is(:hover,:focus-visible) .zoom-label {
  opacity:1;
}
figcaption {
  display:flex;
  gap:10px;
  margin-top:20px;
}
.screen-number {
  color:var(--green);
  font-size:11px;
  padding-top:4px;
  font-variant-numeric:tabular-nums;
}
figcaption h3 {
  font-size:16px;
  margin-bottom:5px;
  font-weight:600;
}
figcaption p {
  font-size:12px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
}
.swipe-hint {
  display:none;
}
.understand {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:100px;
  padding-block:100px;
}
.understand h2 {
  margin-bottom:0;
}
.understand-copy {
  padding-top:5px;
  max-width:450px;
}
.large-copy {
  font-size:25px;
  line-height:1.7;
  margin-bottom:20px;
}
.understand-copy>p:not(.large-copy) {
  color:var(--muted);
  font-size:14px;
  line-height:2;
}
.understand-copy .ai-note {
  font-size:11px!important;
  border-top:1px solid var(--line);
  padding-top:14px;
  margin-top:25px;
}
.download-section {
  margin-bottom:70px;
}
.download-panel {
  background:linear-gradient(120deg,var(--qj-soft),#e5f7f5);
  color:var(--qj-ink);
  border-radius:26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:50px;
  padding:56px 64px;
  position:relative;
  overflow:hidden;
}
.download-panel .eyebrow {
  color:var(--qj-link);
  font-size:12px;
}
.download-panel h2 {
  font-size:37px;
  margin-bottom:25px;
}
.download-panel .store-button {
  background:var(--qj-ink);
  color:#fff;
}
.download-panel .store-button:hover {
  background:var(--qj-deep);
}
.download-panel .device-note {
  color:var(--qj-secondary);
}
.qr-card {
  background:#fff;
  color:var(--ink);
  border-radius:16px;
  padding:20px 25px;
  display:flex;
  flex-direction:column;
  align-items:center;
  flex-shrink:0;
}
.qr-card img {
  margin-bottom:12px;
}
.qr-card strong {
  font-size:13px;
  font-weight:600;
}
.qr-card span {
  font-size:10px;
  color:var(--muted);
  margin-top:3px;
}
.site-footer {
  padding-bottom:30px;
}
.footer-top {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:25px;
  border-bottom:1px solid var(--line);
}
.footer-top .brand {
  font-size:16px;
}
.footer-top nav {
  font-size:12px;
  gap:24px;
}
.legal {
  display:flex;
  justify-content:space-between;
  gap:20px;
  font-size:10px;
  color:var(--muted);
  padding-top:23px;
}
.legal>div {
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}
.dialog-close {
  position:absolute;
  right:16px;
  top:10px;
  border:0;
  border-radius:20px;
  padding:6px 14px;
  color:var(--ink);
  background:var(--qj-soft);
  cursor:pointer;
  font-size:12px;
}
.dialog-close span {
  margin-left:8px;
  font-size:18px;
}
body.preview-open {
  overflow:hidden;
}
@media(min-width:1500px) {
  .hero {
    min-height:800px;
  }
  .hero-visual {
    height:600px;
  }
}
@media(max-width:1000px) {
  .shell {
    width:calc(100% - 48px);
  }
  .hero {
    min-height:680px;
    padding-block:60px;
    gap:20px;
  }
  .hero-visual {
    height:490px;
  }
  .hero-description {
    font-size:16px;
  }
  .hero-actions {
    gap:16px;
  }
  .text-link {
    font-size:12px;
  }
  .shot-front {
    top:70px;
  }
  .shot-back {
    top:35px;
  }
  .visual-caption {
    bottom:0;
    font-size:10px;
  }
  .workflow article {
    padding-inline:24px;
  }
  .screens-grid {
    gap:14px;
  }
  figcaption {
    gap:6px;
  }
  figcaption h3 {
    font-size:14px;
  }
  .screen-number {
    display:none;
  }
  .understand {
    gap:50px;
  }
  .download-panel {
    padding:40px;
    gap:30px;
  }
  .download-panel h2 {
    font-size:32px;
  }
}
@media(max-width:700px) {
  html {
    scroll-padding-top:85px;
  }
  .shell {
    width:calc(100% - 40px);
  }
  .header-inner {
    height:70px;
    gap:12px;
  }
  .brand {
    font-size:16px;
    gap:8px;
  }
  .brand img {
    width:32px;
    height:32px;
  }
  .header-inner nav {
    gap:0;
  }
  .header-inner nav>a:not(.nav-download) {
    display:none;
  }
  .nav-download {
    font-size:12px;
    padding:7px 13px;
  }
  .nav-download span {
    margin-left:6px;
  }
  .hero {
    grid-template-columns:1fr;
    padding-block:42px 40px;
    gap:30px;
    min-height:0;
  }
  .hero h1 {
    font-size:clamp(37px,8.8vw,58px);
    line-height:1.4;
    margin-bottom:24px;
  }
  .hero-description {
    font-size:16px;
    line-height:1.85;
    margin-bottom:26px;
  }
  .eyebrow {
    margin-bottom:18px;
    font-size:11px;
  }
  .hero-actions {
    gap:18px;
  }
  .store-button {
    padding:11px 15px;
  }
  .store-button strong {
    font-size:20px;
  }
  .button-arrow {
    margin-left:12px;
  }
  .hero-visual {
    height:calc((100vw - 40px)*1.12);
    max-height:600px;
    max-width:460px;
    width:100%;
    margin-inline:auto;
    margin-top:16px;
  }
  .visual-orbit {
    width:99%;
    left:0;
  }
  .shot-back {
    width:43%;
    top:6px;
    left:4%;
  }
  .shot-front {
    width:47%;
    top:38px;
    right:4%;
  }
  .hero-shot {
    border-radius:13px;
  }
  .visual-caption {
    bottom:-5px;
    left:6%;
    font-size:11px;
  }
  .workflow {
    grid-template-columns:1fr;
    margin-bottom:56px;
    padding:6px 0;
  }
  .workflow article {
    padding:22px 0!important;
    border-right:0;
    border-bottom:1px solid var(--line);
    display:grid;
    grid-template-columns:92px 1fr;
    column-gap:12px;
  }
  .workflow article:last-child {
    border-bottom:0;
  }
  .step-no {
    grid-row:1/3;
    padding-top:5px;
    font-size:11px;
  }
  .workflow h2 {
    margin:0 0 6px;
    font-size:21px;
  }
  .workflow p {
    font-size:13px;
  }
  .workflow br {
    display:none;
  }
  .screens-section {
    padding-block:48px 30px;
    overflow:hidden;
  }
  .section-heading {
    display:block;
    margin-bottom:28px;
  }
  .section-heading h2 {
    font-size:32px;
  }
  .section-heading>p {
    margin-top:20px;
    font-size:13px;
  }
  .section-heading>p br {
    display:none;
  }
  .screens-grid {
    display:flex;
    overflow-x:auto;
    gap:20px;
    scroll-snap-type:x mandatory;
    margin-inline:-20px;
    padding:5px 20px 18px;
    scroll-padding-left:20px;
    -webkit-overflow-scrolling:touch;
  }
  .screen-card {
    flex:0 0 76vw;
    max-width:310px;
    scroll-snap-align:start;
  }
  .screenshot-button {
    border-radius:18px;
  }
  figcaption {
    gap:12px;
    margin-top:18px;
  }
  .screen-number {
    display:block;
  }
  figcaption h3 {
    font-size:18px;
  }
  figcaption p {
    font-size:13px;
  }
  .swipe-hint {
    display:block;
    text-align:right;
    color:var(--muted);
    font-size:11px;
    margin:10px 0 0;
  }
  .swipe-hint span {
    margin-left:10px;
  }
  .understand {
    grid-template-columns:1fr;
    gap:28px;
    padding-block:54px;
  }
  .understand h2 {
    font-size:32px;
  }
  .understand-copy {
    max-width:none;
  }
  .large-copy {
    font-size:23px;
  }
  .download-section {
    margin-bottom:42px;
  }
  .download-panel {
    border-radius:20px;
    padding:32px 26px;
    display:block;
  }
  .download-panel h2 {
    font-size:28px;
  }
  .download-panel .eyebrow {
    font-size:10px;
  }
  .qr-card {
    margin-top:32px;
    flex-direction:row;
    gap:14px;
    flex-wrap:wrap;
    justify-content:center;
    padding:16px;
  }
  .qr-card img {
    width:96px;
    height:96px;
    margin:0;
  }
  .qr-card span {
    display:none;
  }
  .qr-card strong {
    max-width:90px;
    line-height:1.8;
  }
  .footer-top {
    align-items:flex-start;
    gap:20px;
    flex-direction:column;
  }
  .footer-top nav {
    gap:24px;
  }
  .legal {
    flex-direction:column;
    gap:12px;
    font-size:10px;
  }
  .legal>div {
    gap:8px 18px;
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  *,*::before,*::after {
    transition:none!important;
  }
}
/* A lightweight overlay also supports Safari versions without native dialog. */
.image-dialog[hidden] {
  display:none;
}
.image-dialog {
  display:flex;
  align-items:center;
  justify-content:center;
  position:fixed;
  inset:0;
  z-index:100;
  padding:16px;
  border-radius:0;
  max-width:none;
  max-height:none;
  margin:0;
  background:#063e34e6;
  backdrop-filter:blur(6px);
}
.dialog-panel {
  position:relative;
  padding:54px 14px 14px;
  background:var(--paper);
  border-radius:16px;
  max-height:94vh;
  max-height:94dvh;
  max-width:100%;
  box-shadow:0 20px 80px #0005;
}
.dialog-panel>img {
  width:auto;
  max-width:100%;
  max-height:calc(94vh - 84px);
  max-height:calc(94dvh - 84px);
  object-fit:contain;
  border-radius:8px;
}
/* Review refinements: tighter hierarchy, brand-led action and larger targets. */
.hero{padding-block:58px 70px;min-height:690px}
.hero-visual{height:540px}
.shot-back{width:40%;left:5%;transform:rotate(-4deg)}
.shot-front{width:45%;right:4%;top:42px;transform:rotate(3deg)}
.hero .eyebrow{display:inline-flex;align-items:center;padding:6px 12px;background:var(--qj-soft);border-radius:100px;letter-spacing:.06em}
.hero .store-button,.download-panel .store-button{background:var(--qj-deep);color:white}
.hero .store-button:hover,.download-panel .store-button:hover{background:var(--qj-link)}
.text-link{display:inline-flex;align-items:center;min-height:44px;font-size:14px}
.device-note{font-size:12px}
.header-inner nav>a,.footer-top nav>a{min-height:44px;display:inline-flex;align-items:center}
.site-footer .legal{font-size:12px}
.site-footer .legal a{display:inline-block;padding-block:4px}
.screenshot-button:focus-visible{outline-offset:4px}
.zoom-label{opacity:1;background:#ffffffed}
.screen-card figcaption p{font-size:13px}
@media(max-width:1000px) and (min-width:701px){.hero{min-height:620px}.hero-visual{height:470px}.visual-caption{font-size:11px}}
@media(max-width:700px){
 .hero{padding-block:32px 38px;min-height:0;gap:20px}
 .hero h1{font-size:clamp(34px,8.6vw,50px)}
 .hero-visual{height:calc((100vw - 40px)*1.04);max-height:500px;margin-top:8px}
 .shot-back{width:42%;left:5%;top:0}
 .shot-front{width:46%;right:4%;top:25px}
 .visual-caption{bottom:-7px;font-size:10px}
 .hero-description{margin-bottom:22px}
 .hero-actions{gap:12px}
 .text-link{font-size:12px}
 .legal>div{gap:8px 14px}
}