:root {
  --paper: #fffaf4;
  --paper-strong: #fffdf9;
  --ink: #2f211b;
  --muted: #735f55;
  --line: rgba(84, 53, 38, 0.13);
  --orange: #ec6b2d;
  --orange-deep: #c84a17;
  --orange-soft: #ffd9be;
  --apricot: #fff0e1;
  --silver: #e7e8e8;
  --radius-card: 28px;
  --radius-small: 16px;
  --shadow: 0 28px 80px rgba(118, 69, 39, 0.12);
  --shell: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
button, a { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }

:where(a, button):focus-visible {
  outline: 3px solid rgba(236, 107, 45, .48);
  outline-offset: 4px;
}

.noscript-notice {
  margin: 0;
  padding: 12px 20px;
  background: #2d2420;
  color: #fff;
  text-align: center;
  font-size: 14px;
  line-height: 1.6;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 8px;
  left: 8px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
}
.skip-link:focus { transform: translateY(0); }
.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: 72px;
  border-bottom: 1px solid rgba(84, 53, 38, 0.08);
  background: rgba(255, 250, 244, 0.88);
  backdrop-filter: blur(18px);
}
.nav-shell {
  width: var(--shell);
  height: 100%;
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: .04em; white-space: nowrap; }
.brand-mark { width: 40px; height: 40px; overflow: hidden; border: 1px solid var(--ink); border-radius: 50%; background: #fff; }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); }
.site-nav { justify-self: end; display: flex; align-items: center; gap: clamp(18px, 2vw, 32px); color: var(--muted); font-size: 14px; white-space: nowrap; }
.site-nav a { position: relative; transition: color .2s ease; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: var(--orange); transition: right .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--orange-deep); }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.nav-cta, .primary-button {
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  padding: 0 22px;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
}
.nav-cta:disabled, .primary-button:disabled { cursor: not-allowed; opacity: .56; filter: saturate(.72); }
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: calc(100dvh - 72px);
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 28%, rgba(255, 199, 157, .38), transparent 31%),
    linear-gradient(180deg, #fffaf4 0%, #fff7ed 76%, #fffdf9 100%);
}
.hero-glow { position: absolute; width: 42vw; height: 42vw; right: -10vw; top: -15vw; border-radius: 50%; background: rgba(255, 224, 199, .36); filter: blur(70px); }
.hero-grid {
  position: relative;
  z-index: 2;
  min-height: calc(100dvh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, .97fr);
  align-items: center;
  gap: clamp(30px, 5vw, 78px);
  padding-block: clamp(42px, 7vh, 76px) 92px;
}
.hero-copy { max-width: 610px; }
.hero-kicker, .section-label { margin: 0 0 24px; color: var(--orange-deep); font-size: 13px; font-weight: 750; letter-spacing: .1em; }
.hero h1 {
  margin: 0;
  font-family: "STZhongsong", "SimSun", "Songti SC", serif;
  font-size: clamp(42px, 3.6vw, 58px);
  line-height: 1.16;
  letter-spacing: -.055em;
  font-weight: 650;
}
.hero-intro { margin: 28px 0 0; max-width: 580px; color: var(--muted); font-size: clamp(16px, 1.35vw, 19px); line-height: 1.9; }
.hero-action { margin-top: 32px; display: flex; align-items: center; gap: 16px; }
.hero-action span { color: var(--muted); font-size: 14px; }
.primary-button { min-width: 132px; min-height: 50px; }

.hero-visual { position: relative; align-self: stretch; min-height: 520px; display: flex; align-items: center; }
.hero-image-window {
  position: relative;
  width: 100%;
  aspect-ratio: 1.02;
  overflow: hidden;
  border-radius: var(--radius-card);
  border: 1px solid rgba(255,255,255,.85);
  background: #fff4e8;
  box-shadow: var(--shadow);
}
.hero-image-window::after { content: ""; position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; height: 18%; background: linear-gradient(180deg, transparent, rgba(255, 246, 235, .96)); pointer-events: none; }
.hero-image-window img { position: absolute; width: 220%; max-width: none; height: auto; left: -121%; top: -11%; }
.hero-wave { position: absolute; z-index: 3; left: -4%; right: -4%; bottom: -1px; height: 82px; border-radius: 50% 50% 0 0 / 70% 70% 0 0; background: var(--paper-strong); transform: rotate(-1deg); }

.promise-strip { background: var(--paper-strong); }
.promise-inner { min-height: 110px; display: flex; justify-content: center; align-items: center; gap: clamp(18px, 5vw, 68px); color: #644f44; font-size: 14px; font-weight: 700; letter-spacing: .12em; }
.promise-inner i { width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }

.section { padding-block: clamp(92px, 11vw, 150px); }
.value-section { background: var(--paper-strong); }
.value-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(48px, 8vw, 126px); align-items: start; }
.value-heading h2, .section-heading h2, .workflow-title h2, .scene-heading h2, .about-statement h2, .contact-title h2 {
  margin: 0;
  font-size: clamp(36px, 4.2vw, 62px);
  line-height: 1.2;
  letter-spacing: -.045em;
}
.features-section { background: linear-gradient(180deg, #fff7ed 0%, #fffaf4 100%); }
.section-heading { max-width: 800px; margin-bottom: 58px; }
.feature-grid { display: grid; grid-template-columns: 1.08fr .92fr; grid-template-areas: "one two" "one three" "four five"; gap: 18px; }
.feature {
  position: relative;
  min-height: 246px;
  overflow: hidden;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(255,255,255,.72);
}
.feature h3 { margin: 0 0 14px; font-size: 27px; }
.feature p { margin: 0; max-width: 38em; color: var(--muted); line-height: 1.85; }
.feature-index { display: block; margin-bottom: 44px; color: var(--orange-deep); font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.feature-primary { grid-area: one; min-height: 512px; display: flex; flex-direction: column; justify-content: space-between; background: linear-gradient(145deg, #f47639, #dd541c); color: #fff; border: 0; }
.feature-primary .feature-index, .feature-primary p { color: rgba(255,255,255,.82); }
.feature-ai { grid-area: two; background: linear-gradient(145deg, #fffdf9, #f0f1f1); }
.feature-emotion { grid-area: three; background: linear-gradient(145deg, #fff1e4, #ffe1c9); }
.feature-highlight { grid-area: four; background: #fffdf9; }
.feature-growth { grid-area: five; background: linear-gradient(145deg, #ececed, #fafafa); }
.sound-rings { display: flex; align-items: center; justify-content: center; gap: 9px; min-height: 120px; }
.sound-rings b { display: block; width: 8px; border-radius: 999px; background: rgba(255,255,255,.88); }
.sound-rings b:nth-child(1), .sound-rings b:nth-child(5) { height: 34px; opacity: .56; }
.sound-rings b:nth-child(2), .sound-rings b:nth-child(4) { height: 76px; opacity: .78; }
.sound-rings b:nth-child(3) { height: 112px; }
.editorial-lines { position: absolute; right: -18px; bottom: 22px; width: 42%; display: grid; gap: 11px; transform: rotate(-6deg); opacity: .64; }
.editorial-lines i { height: 8px; border-radius: 99px; background: var(--orange-soft); }
.editorial-lines i:nth-child(2) { width: 72%; }
.editorial-lines i:nth-child(3) { width: 88%; }
.editorial-lines i:nth-child(4) { width: 54%; }

.workflow-section { background: #fffdf9; }
.workflow-title { max-width: 780px; margin-bottom: 70px; }
.workflow-list { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; }
.workflow-list::before { content: ""; position: absolute; top: 16px; left: 4%; right: 4%; height: 1px; background: var(--line); }
.workflow-list li { position: relative; padding: 55px 28px 0 0; }
.workflow-list li > span { position: absolute; top: 0; left: 0; display: grid; place-items: center; width: 33px; height: 33px; border: 1px solid var(--orange); border-radius: 50%; background: #fffdf9; color: var(--orange-deep); font-size: 10px; font-weight: 800; }
.workflow-list h3 { margin: 0 0 14px; font-size: 22px; }
.workflow-list p { margin: 0; padding-right: 18px; color: var(--muted); line-height: 1.75; }
.workflow-summary { margin: 58px 0 0; padding: 22px 24px; border-radius: var(--radius-small); background: var(--apricot); color: #5d473d; text-align: center; line-height: 1.8; }
.workflow-summary b { padding-inline: 7px; color: var(--orange); }

.scene-section { padding-block: clamp(72px, 8vw, 112px); background: #f4f4f3; }
.scene-shell { display: block; }
.scene-frame { width: min(760px, 100%); margin: 0 auto; overflow: hidden; border-radius: var(--radius-card); background: #fff; box-shadow: 0 24px 70px rgba(55, 50, 46, .12); }
.scene-frame img { width: 100%; height: auto; }

.trust-section { background: var(--paper); }
.trust-panel { display: grid; grid-template-columns: 160px 1fr; gap: 52px; align-items: center; padding: clamp(46px, 7vw, 84px); border-radius: var(--radius-card); background: linear-gradient(135deg, #ffc996 0%, #fff1df 55%, #e6e7e7 100%); }
.trust-panel h2 { margin: 0; max-width: 860px; font-size: clamp(30px, 3.2vw, 48px); line-height: 1.35; letter-spacing: -.035em; }
.trust-panel p { margin: 26px 0 0; max-width: 700px; color: var(--muted); font-size: 17px; line-height: 1.85; }
.trust-mark { width: 128px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid rgba(47,33,27,.18); border-radius: 50%; background: rgba(255,255,255,.43); }
.trust-mark span { width: 6px; height: 44px; border-radius: 999px; background: var(--orange); box-shadow: -17px 10px 0 rgba(236,107,45,.58), 17px -8px 0 rgba(236,107,45,.72), -34px 18px 0 rgba(236,107,45,.3), 34px 13px 0 rgba(236,107,45,.38); }

.about-section { background: #fffdf9; }
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(48px, 10vw, 150px); align-items: end; }
.about-statement p { margin: 32px 0 0; color: var(--muted); font-size: 19px; line-height: 1.9; }
.about-detail { padding: 48px; border-radius: var(--radius-card); background: var(--apricot); }
.about-detail p { margin: 0; color: #5f493f; font-family: "STZhongsong", "SimSun", "Songti SC", serif; font-size: clamp(22px, 2.2vw, 30px); line-height: 1.8; }

.contact-section { padding-block: 96px; background: #edeceb; }
.contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(40px, 8vw, 120px); }
.contact-title h2 { font-size: clamp(34px, 3.6vw, 52px); }
.contact-title p { margin: 22px 0 0; color: var(--muted); line-height: 1.7; }
.company-list { margin: 0; }
.company-list > div { display: grid; grid-template-columns: minmax(150px, .7fr) 1.3fr; gap: 28px; padding: 24px 0; border-bottom: 1px solid rgba(47,33,27,.12); }
.company-list > div:first-child { padding-top: 4px; }
.company-list dt { color: var(--muted); font-size: 14px; }
.company-list dd { margin: 0; font-weight: 700; line-height: 1.55; }
.contact-link { color: var(--orange-deep); text-decoration: underline; text-decoration-color: rgba(200, 74, 23, .28); text-underline-offset: 4px; }
.contact-link:hover, .contact-link:focus-visible { text-decoration-color: currentColor; }

.site-footer { padding-block: 44px; background: #2d2420; color: rgba(255,255,255,.9); }
.footer-grid { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; }
.footer-grid strong { font-size: 17px; }
.footer-grid p { margin: 8px 0 0; color: rgba(255,255,255,.58); font-size: 13px; }
.footer-meta { display: grid; justify-items: end; gap: 12px; max-width: 620px; }
.footer-meta > p { margin-top: 0; text-align: right; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 18px; color: rgba(255,255,255,.68); font-size: 12px; line-height: 1.6; }
.footer-links a:hover, .footer-links a:focus-visible, .footer-filing a:hover, .footer-filing a:focus-visible { color: #fff; }
.footer-filing { margin-top: 28px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.11); display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; color: rgba(255,255,255,.66); font-size: 12px; text-align: center; }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
  .site-nav { gap: 16px; }
  .site-nav a:nth-child(4) { display: none; }
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .hero h1 { font-size: clamp(39px, 5vw, 55px); }
  .hero-image-window { aspect-ratio: .88; }
  .hero-image-window img { width: 248%; left: -139%; top: -4%; }
}

@media (max-width: 767px) {
  :root { --shell: min(100% - 32px, 620px); --radius-card: 22px; --radius-small: 14px; }
  .site-header { height: 64px; }
  .nav-shell { grid-template-columns: 1fr auto; gap: 12px; }
  .brand-mark { width: 35px; height: 35px; }
  .menu-toggle { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: #fffaf4; }
  .nav-cta { display: none; }
  .site-nav { position: absolute; top: 64px; left: 16px; right: 16px; display: none; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-small); background: rgba(255,253,249,.97); box-shadow: var(--shadow); }
  .site-nav.is-open { display: grid; }
  .site-nav a, .site-nav a:nth-child(4) { display: block; padding: 12px 10px; }
  .site-nav a::after { display: none; }

  .hero { min-height: auto; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; padding-block: 58px 110px; }
  .hero h1 { font-size: clamp(38px, 11vw, 53px); line-height: 1.2; }
  .hero-intro { font-size: 16px; line-height: 1.8; }
  .hero-visual { min-height: auto; }
  .hero-image-window { aspect-ratio: 1.05; }
  .hero-image-window img { width: 220%; left: -121%; top: -12%; }
  .hero-wave { height: 55px; }
  .promise-inner { min-height: 94px; gap: 13px; font-size: 12px; letter-spacing: .05em; }

  .section { padding-block: 82px; }
  .value-layout, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 42px; }
  .value-heading h2, .section-heading h2, .workflow-title h2, .about-statement h2, .contact-title h2 { font-size: clamp(34px, 9vw, 46px); }

  .section-heading { margin-bottom: 38px; }
  .feature-grid { grid-template-columns: 1fr; grid-template-areas: "one" "two" "three" "four" "five"; }
  .feature, .feature-primary { min-height: 300px; padding: 28px; }
  .feature-primary { min-height: 430px; }
  .feature-index { margin-bottom: 34px; }

  .workflow-title { margin-bottom: 50px; }
  .workflow-list { grid-template-columns: 1fr; gap: 36px; padding-left: 18px; }
  .workflow-list::before { top: 0; bottom: 0; left: 34px; right: auto; width: 1px; height: auto; }
  .workflow-list li { padding: 0 0 0 62px; min-height: 98px; }
  .workflow-list li > span { left: 0; }
  .workflow-summary { overflow-wrap: anywhere; text-align: left; }

  .trust-panel { grid-template-columns: 1fr; gap: 28px; padding: 36px 28px; }
  .trust-mark { width: 82px; }
  .trust-panel h2 { font-size: 29px; }
  .about-detail { padding: 30px 26px; }

  .company-list > div { grid-template-columns: 1fr; gap: 9px; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
  .footer-meta { justify-items: start; }
  .footer-meta > p { text-align: left; }
  .footer-links { justify-content: flex-start; }
}

/* Policy and legal pages */
.legal-page { min-height: 100dvh; display: flex; flex-direction: column; }
.legal-page .site-header { position: static; }
.legal-main { flex: 1; padding-block: clamp(56px, 8vw, 104px); background: linear-gradient(180deg, var(--paper), var(--paper-strong)); }
.legal-article { width: min(840px, calc(100% - 48px)); margin-inline: auto; }
.legal-heading { margin-bottom: 42px; }
.legal-heading h1 { margin: 0; font-family: "STZhongsong", "SimSun", "Songti SC", serif; font-size: clamp(38px, 6vw, 64px); line-height: 1.15; letter-spacing: -.035em; }
.legal-heading p { margin: 18px 0 0; color: var(--muted); line-height: 1.8; }
.legal-section { padding-block: 28px; border-top: 1px solid var(--line); }
.legal-section h2 { margin: 0 0 14px; font-size: 22px; }
.legal-section p, .legal-section li { color: var(--muted); line-height: 1.9; }
.legal-section p { margin: 0; }
.legal-section p + p { margin-top: 12px; }
.legal-section ul { margin: 0; padding-inline-start: 1.25em; }
.legal-section ol { margin: 0; padding-inline-start: 1.4em; }
.legal-section li + li { margin-top: 8px; }
.legal-section h3 { margin: 24px 0 10px; font-size: 17px; }
.legal-section a:not(.legal-back) { color: var(--orange-deep); text-decoration: underline; text-decoration-color: rgba(200, 74, 23, .28); text-underline-offset: 4px; }
.legal-section a:hover, .legal-section a:focus-visible { text-decoration-color: currentColor; }
.legal-lead { max-width: 70ch; font-size: 17px; }
.legal-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 18px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.legal-toc { margin: 0 0 42px; padding: 24px 26px; border-radius: var(--radius-small); background: var(--apricot); }
.legal-toc strong { display: block; margin-bottom: 12px; }
.legal-toc div { display: flex; flex-wrap: wrap; gap: 9px 22px; }
.legal-toc a { color: var(--muted); font-size: 14px; line-height: 1.6; text-decoration: underline; text-decoration-color: rgba(115, 95, 85, .28); text-underline-offset: 4px; }
.legal-note { margin: 18px 0 0; padding: 18px 20px; border-radius: var(--radius-small); background: var(--apricot); color: #5d473d; line-height: 1.85; }
.legal-table-wrap { margin-top: 18px; overflow-x: auto; border-radius: var(--radius-small); background: #fff; }
.legal-table { width: 100%; min-width: 680px; border-collapse: collapse; color: var(--muted); font-size: 14px; line-height: 1.7; }
.legal-table th, .legal-table td { padding: 15px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.legal-table th { background: var(--apricot); color: var(--ink); font-weight: 750; }
.legal-table tr:last-child td { border-bottom: 0; }
.legal-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; margin: 18px 0 0; padding: 0; list-style: none; }
.legal-links a { display: inline-flex; min-height: 42px; align-items: center; }
.legal-contact { margin-top: 18px; display: grid; gap: 10px; }
.legal-contact div { display: grid; grid-template-columns: minmax(120px, .38fr) 1fr; gap: 20px; padding-block: 12px; border-bottom: 1px solid var(--line); }
.legal-contact dt { color: var(--muted); }
.legal-contact dd { margin: 0; color: var(--ink); font-weight: 700; overflow-wrap: anywhere; }
.policy-header-link { justify-self: end; color: var(--muted); font-size: 14px; font-weight: 700; }
.policy-header-link:hover, .policy-header-link:focus-visible { color: var(--orange-deep); }
.legal-back { display: inline-flex; min-height: 44px; align-items: center; margin-top: 34px; padding-inline: 20px; border-radius: 999px; background: var(--orange); color: #fff; font-weight: 700; }
.legal-back:hover, .legal-back:focus-visible { background: var(--orange-deep); }

@media (max-width: 767px) {
  .legal-article { width: min(100% - 32px, 840px); }
  .legal-heading { margin-bottom: 32px; }
  .legal-section { padding-block: 24px; }
  .legal-toc { margin-bottom: 30px; padding: 20px; }
  .legal-links { grid-template-columns: 1fr; }
  .legal-contact div { grid-template-columns: 1fr; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* Standalone error page */
.error-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.error-page .site-header { position: static; }

.error-header-link {
  justify-self: end;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  transition: color .2s ease;
}

.error-header-link:hover,
.error-header-link:focus-visible { color: var(--orange-deep); }

.error-main {
  flex: 1;
  display: grid;
  place-items: center;
  padding-block: clamp(48px, 9vw, 112px);
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 199, 157, .38), transparent 26%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-strong) 100%);
}

.error-panel {
  width: min(900px, 100%);
  display: grid;
  grid-template-columns: minmax(220px, .72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: clamp(36px, 7vw, 88px);
  padding: clamp(40px, 7vw, 78px);
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--paper-strong);
  box-shadow: var(--shadow);
}

.error-code {
  position: relative;
  margin: 0;
  color: var(--orange);
  font-family: "STZhongsong", "SimSun", "Songti SC", serif;
  font-size: clamp(92px, 15vw, 176px);
  font-weight: 650;
  line-height: .82;
  letter-spacing: -.035em;
}

.error-code::after {
  content: "";
  position: absolute;
  width: 72px;
  height: 72px;
  right: 2%;
  bottom: -34px;
  border-radius: 50%;
  background: var(--orange-soft);
  opacity: .72;
}

.error-copy { min-width: 0; }
.error-copy h1 {
  margin: 0;
  font-family: "STZhongsong", "SimSun", "Songti SC", serif;
  font-size: clamp(34px, 4.5vw, 54px);
  line-height: 1.24;
  letter-spacing: -.035em;
}

.error-copy p {
  max-width: 34em;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.error-primary,
.error-secondary {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 22px;
  border-radius: 999px;
  font-weight: 750;
}

.error-primary { background: var(--orange); color: #fff; }
.error-primary:hover,
.error-primary:focus-visible { background: var(--orange-deep); }
.error-secondary { border: 1px solid var(--line); background: var(--paper); color: var(--ink); }
.error-secondary:hover,
.error-secondary:focus-visible { border-color: rgba(200, 74, 23, .42); color: var(--orange-deep); }

@media (max-width: 767px) {
  .error-panel { grid-template-columns: 1fr; gap: 38px; padding: 42px 28px; }
  .error-code { font-size: clamp(88px, 32vw, 132px); }
  .error-code::after { width: 54px; height: 54px; right: auto; left: 150px; bottom: -18px; }
  .error-copy p { font-size: 16px; }
  .error-actions { align-items: stretch; flex-direction: column; }
}

/* Review adjustments: modular product imagery and tighter lower-page rhythm */
.hero-image-window { aspect-ratio: 640 / 520; }
.hero-image-window::after { display: none; }
.hero-image-window img {
  position: static;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.value-layout {
  grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr);
  grid-template-areas: "copy image" "quote image";
  gap: 32px clamp(46px, 7vw, 96px);
  align-items: center;
}
.value-content { grid-area: copy; }
.value-content h2 { margin: 0; font-size: clamp(36px, 4.2vw, 62px); line-height: 1.2; letter-spacing: -.045em; }
.value-content p { margin: 30px 0 0; color: var(--muted); font-size: 17px; line-height: 1.95; }
.value-product { grid-area: image; margin: 0; overflow: hidden; border-radius: var(--radius-card); background: linear-gradient(145deg, #fff, #f0f1f1); box-shadow: var(--shadow); }
.value-product img { width: 100%; aspect-ratio: 1.12; object-fit: cover; }
.feature-showcase { margin: 0 0 20px; height: clamp(280px, 35vw, 410px); overflow: hidden; border-radius: var(--radius-card); background: #fff; box-shadow: 0 20px 60px rgba(118,69,39,.09); }
.feature-showcase img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.scene-section { padding-block: clamp(70px, 8vw, 108px); }
.scene-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 22px; align-items: start; }
.scene-frame { width: 100%; margin: 0; }
.scene-primary, .scene-wear { position: relative; }
.scene-primary img, .scene-wear img { width: 100%; height: auto; }

.device-section { padding-block: clamp(82px, 9vw, 126px); overflow: hidden; background: var(--paper-strong); }
.device-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 38px; }
.device-heading h2 { margin: 0; font-size: clamp(36px, 4vw, 58px); line-height: 1.2; letter-spacing: -.045em; }
.device-controls { display: flex; gap: 10px; }
.device-controls button { width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--ink); cursor: pointer; font-size: 20px; transition: transform .2s ease, border-color .2s ease; }
.device-controls button:hover { border-color: var(--orange); transform: translateY(-2px); }
.device-controls button:active { transform: translateY(0) scale(.97); }
.device-rail { display: grid; grid-auto-flow: column; grid-auto-columns: min(72vw, 720px); align-items: start; gap: 20px; overflow-x: auto; padding: 4px max(24px, calc((100vw - 1180px) / 2)) 24px 0; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: var(--orange-soft) transparent; cursor: grab; touch-action: pan-y; user-select: none; }
.device-rail:active { cursor: grabbing; scroll-snap-type: none; }
.device-rail figure { height: min(1050px, 78vw); margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-card); background: #fff; box-shadow: 0 18px 50px rgba(80,55,40,.08); scroll-snap-align: start; }
.device-rail img { width: 100%; height: 100%; object-fit: contain; }

.workflow-section { padding-block: clamp(86px, 9vw, 124px); }
.workflow-title { margin-bottom: 54px; }

.about-section { padding-block: clamp(68px, 7vw, 92px); }
.about-grid { grid-template-columns: 1.04fr .96fr; gap: clamp(42px, 7vw, 86px); align-items: center; }
.about-copy h2 { margin: 0; font-size: clamp(34px, 3.7vw, 52px); line-height: 1.2; letter-spacing: -.045em; }
.about-copy p { margin: 22px 0 0; max-width: 42em; color: var(--muted); font-size: 16px; line-height: 1.85; }
.testimonial-frame { height: 390px; margin: 0; overflow: hidden; border-radius: var(--radius-card); background: #fff7ed; box-shadow: 0 18px 48px rgba(96,58,36,.09); }
.testimonial-frame img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }

.contact-section { padding-block: 74px; background: linear-gradient(135deg, #fff0e2, #f6f4f1); }
.contact-grid { grid-template-columns: .7fr 1.3fr; align-items: start; }
.contact-title p { margin-top: 18px; color: var(--orange-deep); font-weight: 700; }
.company-list { padding: 12px 32px; border: 1px solid rgba(84,53,38,.09); border-radius: var(--radius-card); background: rgba(255,255,255,.65); }
.company-list > div:last-child { border-bottom: 0; }

@media (max-width: 767px) {
  .hero-image-window { aspect-ratio: 640 / 520; }
  .hero-image-window img { position: static; width: 100%; height: 100%; }
  .value-layout { grid-template-columns: 1fr; grid-template-areas: "copy" "image" "quote"; gap: 30px; }
  .value-content h2 { font-size: clamp(34px, 9vw, 46px); }
  .value-product { width: 100%; }
  .feature-showcase { height: 270px; }
  .scene-grid { grid-template-columns: 1fr; gap: 16px; }
  .scene-frame { border-radius: 18px; }
  .device-heading { align-items: flex-end; }
  .device-heading h2 { font-size: 36px; }
  .device-controls button { width: 42px; height: 42px; }
  .device-rail { grid-auto-columns: 88vw; gap: 14px; padding-right: 16px; }
  .device-rail figure { height: 620px; }
  .workflow-section { padding-block: 78px; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .testimonial-frame { height: 310px; }
  .contact-section { padding-block: 62px; }
  .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .company-list { padding: 8px 22px; }
}

.value-slider { grid-area: image; min-width: 0; }
.value-slides { position: relative; height: auto; aspect-ratio: 2363 / 4957; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-card); background: #fff; box-shadow: var(--shadow); cursor: grab; touch-action: pan-y; user-select: none; }
.value-slides:active { cursor: grabbing; }
.value-slides figure { position: absolute; inset: 0; margin: 0; display: grid; place-items: center; opacity: 0; transform: translateX(18px); transition: opacity .55s ease, transform .55s ease; pointer-events: none; }
.value-slides figure.is-active { opacity: 1; transform: translateX(0); pointer-events: auto; }
.value-slides img { width: 100%; height: 100%; object-fit: contain; }
.value-controls { display: flex; justify-content: center; align-items: center; margin-top: 14px; }
.value-controls button, .testimonial-controls button { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: #fff; cursor: pointer; font-size: 18px; }
.value-dots { display: flex; justify-content: center; gap: 8px; }
.value-dots button { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: #decfc5; cursor: pointer; transition: background .3s ease, transform .3s ease; }
.value-dots button.is-active { width: 28px; border-radius: 999px; background: var(--orange); }

.scene-grid { align-items: stretch; }
.scene-side { display: grid; height: 100%; grid-template-rows: auto 1fr; gap: 22px; }
.scene-product { height: 100%; }
.scene-product img { width: 100%; height: 100%; object-fit: cover; }

.testimonial-panel { min-width: 0; }
.testimonial-scroll { height: 390px; overflow-y: auto; overflow-x: hidden; border: 1px solid var(--line); border-radius: var(--radius-card); background: #fff; box-shadow: 0 18px 48px rgba(96,58,36,.09); scrollbar-width: thin; scrollbar-color: var(--orange-soft) transparent; scroll-behavior: smooth; }
.testimonial-scroll img { width: 100%; height: auto; }
.testimonial-controls { display: flex; justify-content: center; gap: 10px; margin-top: 14px; }

@media (max-width: 767px) {
  .value-slides { height: auto; aspect-ratio: 2363 / 4957; }
  .scene-side { gap: 16px; }
  .scene-side { height: auto; grid-template-rows: auto auto; }
  .scene-product { height: auto; }
  .scene-product img { height: auto; object-fit: contain; }
  .testimonial-scroll { height: 430px; }
}

@media (max-width: 767px) {
  .menu-toggle { width: 42px; min-height: 42px; justify-content: center; padding: 0; border: 0; border-radius: 0; background: transparent; font-size: 26px; line-height: 1; }
  .hero h1 { font-size: clamp(24px, 7.5vw, 30px); line-height: 1.28; letter-spacing: -.06em; white-space: nowrap; }
  .value-content h2 { font-size: clamp(25px, 7.2vw, 29px); line-height: 1.32; letter-spacing: -.055em; white-space: nowrap; }
  .section-heading h2 { font-size: clamp(30px, 8.3vw, 36px); line-height: 1.2; white-space: nowrap; }
  .workflow-title h2 { max-width: 12em; font-size: clamp(27px, 7.5vw, 31px); line-height: 1.28; word-break: keep-all; text-wrap: balance; }
  .about-copy h2, .contact-title h2, .device-heading h2 { font-size: clamp(29px, 8vw, 34px); line-height: 1.2; white-space: nowrap; }
  .device-rail { touch-action: auto; -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; }
  .device-rail:active { scroll-snap-type: x mandatory; }
}

.value-layout {
  grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr);
  grid-template-areas: "copy image";
  align-items: center;
}
.value-slider { width: min(100%, 410px); justify-self: end; }
.value-slides {
  background-color: #fff8ef;
  background-image:
    radial-gradient(circle at 16% 12%, rgba(236,107,45,.12) 0 1px, transparent 1.6px),
    radial-gradient(circle at 82% 74%, rgba(200,74,23,.08) 0 1px, transparent 1.5px),
    linear-gradient(135deg, rgba(255,255,255,.72), rgba(255,239,224,.42));
  background-size: 24px 24px, 31px 31px, 100% 100%;
}
.value-content blockquote {
  margin: 28px auto 0;
  padding: 20px 0 0;
  border: 0;
  position: relative;
  max-width: 28em;
  color: var(--ink);
  font-family: "STZhongsong", "SimSun", "Songti SC", serif;
  font-size: clamp(20px, 1.8vw, 25px);
  line-height: 1.7;
  text-align: center;
}
.value-content blockquote::before { content: ""; position: absolute; top: 0; left: 50%; width: 46px; height: 3px; border-radius: 999px; background: var(--orange); transform: translateX(-50%); }

@media (max-width: 767px) {
  .value-layout { grid-template-columns: 1fr; grid-template-areas: "copy" "image"; gap: 28px; }
  .value-slider { width: 100%; justify-self: stretch; }
  .value-content blockquote { margin-top: 24px; font-size: 19px; }
}

.value-slides {
  background-color: #fff3e7;
  background-image:
    radial-gradient(circle, rgba(222,105,50,.13) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(194,93,45,.07) 0 1px, transparent 1.4px);
  background-position: 0 0, 13px 13px;
  background-size: 26px 26px;
}
.value-layout { grid-template-columns: minmax(0, 1.05fr) minmax(320px, .65fr); gap: clamp(58px, 7vw, 94px); }
.value-content { max-width: 620px; }
.value-content h2 { max-width: 11em; font-size: clamp(38px, 3.8vw, 55px); line-height: 1.28; letter-spacing: -.04em; text-wrap: balance; }
.value-content > p { max-width: 32em; margin-top: 38px; font-size: 17px; line-height: 2.05; letter-spacing: .01em; text-wrap: pretty; }
.value-content blockquote { max-width: 25em; margin-top: 34px; font-size: clamp(20px, 1.7vw, 24px); line-height: 1.85; }

@media (max-width: 767px) {
  .value-layout { grid-template-columns: 1fr; gap: 30px; }
  .value-content { max-width: none; }
  .value-content h2 { max-width: none; font-size: clamp(25px, 7.2vw, 29px); line-height: 1.36; white-space: nowrap; }
  .value-content > p { max-width: none; margin-top: 26px; font-size: 16px; line-height: 1.9; }
  .value-content blockquote { margin-top: 26px; font-size: 18px; line-height: 1.75; }
}

.analysis-section { padding-block: clamp(86px, 9vw, 126px); overflow: hidden; background: #fff8ef; }
.analysis-heading { margin-bottom: 38px; }
.analysis-heading h2 { margin: 0; font-size: clamp(36px, 4vw, 58px); line-height: 1.2; letter-spacing: -.045em; }
.analysis-layout { display: grid; grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 4vw, 58px); align-items: start; }
.analysis-right { display: flex; flex-direction: column; align-items: center; min-width: 0; padding-top: clamp(68px, 7vw, 108px); }
.analysis-intro { width: min(82%, 430px); padding: 0 4px; }
.analysis-intro span { display: block; margin-bottom: 14px; color: var(--orange); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.analysis-intro h3 { max-width: 430px; margin: 0; font-size: clamp(21px, 2vw, 28px); line-height: 1.38; letter-spacing: -.025em; }
.analysis-intro p { max-width: 410px; margin: 16px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.analysis-card { display: grid; grid-template-rows: minmax(0, 1fr) 42px; min-width: 0; height: 100%; }
.analysis-card-left .analysis-slides { aspect-ratio: 512 / 1108; }
.analysis-card-right { width: min(82%, 430px); height: auto; margin-top: 28px; }
.analysis-card-right .analysis-slides { aspect-ratio: 1080 / 2118; }
.analysis-slides { position: relative; min-height: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-card); background-color: #fff3e7; background-image: radial-gradient(circle, rgba(222,105,50,.12) 0 1px, transparent 1.5px), radial-gradient(circle, rgba(194,93,45,.06) 0 1px, transparent 1.4px); background-position: 0 0, 13px 13px; background-size: 26px 26px; box-shadow: 0 18px 50px rgba(80,55,40,.08); cursor: pointer; touch-action: pan-y; user-select: none; }
.analysis-slides figure { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; opacity: 0; pointer-events: none; transform: translateX(2%); transition: opacity .42s ease, transform .52s cubic-bezier(.22,.61,.36,1); }
.analysis-slides figure.is-active { opacity: 1; pointer-events: auto; transform: translateX(0); }
.analysis-slides img { display: block; width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.analysis-dots { display: flex; align-items: end; justify-content: center; gap: 9px; padding-top: 16px; }
.analysis-dots button { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 999px; background: #dbcac0; cursor: pointer; transition: background .25s ease, transform .2s ease; }
.analysis-dots button:hover { transform: scale(1.12); }
.analysis-dots button.is-active { width: 32px; background: var(--orange); }

@media (max-width: 767px) {
  .analysis-section { padding-block: 76px; }
  .analysis-heading { margin-bottom: 28px; }
  .analysis-heading h2 { font-size: clamp(30px, 8.3vw, 35px); white-space: nowrap; }
  .analysis-layout { grid-template-columns: 1fr; gap: 42px; height: auto; }
  .analysis-right { display: flex; flex-direction: column; gap: 0; padding-top: 10px; }
  .analysis-intro { display: block; width: 92%; padding: 0 2px; }
  .analysis-intro span { display: block; margin-bottom: 12px; }
  .analysis-intro h3 { max-width: none; font-size: clamp(23px, 6.4vw, 28px); line-height: 1.35; }
  .analysis-intro p { max-width: none; margin-top: 12px; font-size: 14px; line-height: 1.75; }
  .analysis-card { height: auto; }
  .analysis-card-left .analysis-slides { aspect-ratio: 512 / 1108; }
  .analysis-card-right { width: 92%; height: auto; margin-top: 24px; }
  .analysis-card-right .analysis-slides { aspect-ratio: 1080 / 2118; }
  .analysis-slides { border-radius: 24px; }
  .analysis-dots { padding-top: 14px; }
}