@font-face {
  font-family: "Inter"; /* taste-skill-ignore default-font: shared product family across Yaozhi software sites */
  src: url("assets/inter-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

:root {
  --bg: #f1f5f9;
  --surface: #ffffff;
  --surface-soft: #e2e8f0;
  --ink: #0f172a;
  --text: #334155;
  --muted: #526173;
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --accent-soft: #dbeafe;
  --deep: #0f172a;
  --deep-raised: #182235;
  --cyan: #06b6d4;
  --cyan-strong: #0e7490;
  --ok: #15803d;
  --ok-soft: #dcfce7;
  --warning: #d97706;
  --warning-strong: #92400e;
  --warning-soft: #fef3c7;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --font: "Inter", "Microsoft YaHei", "PingFang SC", sans-serif;
  --radius: 12px;
  --content: 1240px;
  --margin: clamp(1.25rem, 3.5vw, 2.75rem);
  --section: clamp(5rem, 9vw, 8.5rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.125rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body,
button,
a {
  font-family: var(--font);
}

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

h1,
h2,
h3 {
  color: var(--ink);
  font-weight: 700;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--cyan-strong);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: var(--margin);
  top: 0.75rem;
  z-index: 200;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: #fff;
  transform: translateY(-170%);
}

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

.shell {
  width: min(100%, var(--content));
  margin-inline: auto;
  padding-inline: var(--margin);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
}

.nav-shell {
  width: min(100%, var(--content));
  min-height: 74px;
  margin-inline: auto;
  padding-inline: var(--margin);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  width: max-content;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 2vw, 2rem);
  color: var(--muted);
  font-size: 1rem;
}

.nav-links a,
.text-link {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
  transition: color 150ms ease, text-decoration-color 150ms ease;
}

.nav-links a:hover,
.text-link:hover {
  color: var(--ink);
  text-decoration-color: currentColor;
}

.nav-action,
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: 9px;
  border: 0;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  transition: background-color 150ms ease, transform 140ms var(--ease);
}

.nav-action:hover,
.button:hover {
  background: var(--accent-strong);
}

.nav-action:active,
.button:active {
  transform: scale(0.97);
}

.hero {
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(560px, 1.18fr);
  align-items: center;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  padding-block: clamp(4.5rem, 8vw, 8rem) clamp(3.5rem, 6vw, 6rem);
}

.hero h1 {
  width: max-content;
  max-width: 100%;
  font-size: clamp(3.25rem, 5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero-copy > p {
  max-width: 43ch;
  margin-top: 1.5rem;
  color: var(--text);
  font-size: clamp(1.25rem, 1.7vw, 1.5rem);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.15rem;
  margin-top: 2rem;
}

.button-primary {
  min-height: 50px;
  padding-inline: 1.5rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.3rem;
  margin-top: 1.5rem;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 1rem;
}

.hero-meta li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--cyan);
  vertical-align: 0.12em;
}

.hero-screen {
  overflow: hidden;
  padding: 12px;
  border-radius: 18px;
  background: var(--surface);
}

.screen-caption {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0.7rem 0.8rem;
  color: var(--text);
  font-size: 1rem;
}

.screen-caption strong {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ok);
}

.screen-caption i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ok);
}

.hero-screen > img {
  width: 100%;
  height: auto;
  border-radius: 9px;
  background: var(--surface);
}

.hero-screen figcaption {
  padding: 0.85rem 0.7rem 0.15rem;
  color: var(--muted);
  font-size: 1rem;
}

.diagnostic-strip {
  background: var(--deep);
  color: #fff;
}

.diagnostic-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
  padding-block: 2rem;
}

.diagnostic-strip p {
  max-width: 32ch;
}

.diagnostic-strip strong,
.diagnostic-strip span {
  display: block;
}

.diagnostic-strip strong {
  color: #fff;
}

.diagnostic-strip span {
  margin-top: 0.25rem;
  color: #cbd5e1;
  font-size: 1rem;
}

.capabilities {
  padding-block: var(--section);
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-intro h2,
.workflow h2,
.download h2,
.faq h2,
.report-copy h2 {
  max-width: 11ch;
  font-size: clamp(2.25rem, 3.6vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.section-intro p {
  max-width: 55ch;
  color: var(--text);
  font-size: clamp(1.2rem, 1.5vw, 1.5rem);
  line-height: 1.45;
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.capability-screen {
  overflow: hidden;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--surface);
}

.capability-screen img {
  width: 100%;
  height: auto;
  border-radius: 7px;
}

.capability-screen figcaption {
  padding: 0.8rem 0.4rem 0.15rem;
  color: var(--muted);
  font-size: 1rem;
}

.capability-list article {
  padding: 1rem 0;
}

.capability-list article + article {
  margin-top: 0.25rem;
}

.capability-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.capability-title h3 {
  font-size: 1.25rem;
}

.capability-list p {
  margin: 0.45rem 0 0 1.4rem;
  max-width: 44ch;
}

.output {
  display: inline-block;
  margin: 0.65rem 0 0 1.4rem;
  padding: 0.3rem 0.55rem;
  border-radius: 5px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 1rem;
}

.status-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
}

.status-dot.ok { background: var(--ok); }
.status-dot.warning { background: var(--warning); }
.status-dot.danger { background: var(--danger); }
.status-dot.blue { background: var(--accent); }

.status-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.4rem;
  margin-top: 2rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
}

.status-legend strong {
  color: var(--ink);
}

.status-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.status-legend p {
  max-width: 40ch;
  margin-left: auto;
  color: var(--muted);
}

.workflow {
  padding-block: clamp(5rem, 8vw, 8rem);
  background: var(--deep);
  color: #fff;
}

.workflow h2 {
  color: #fff;
}

.workflow-head {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.workflow-head p {
  max-width: 58ch;
  color: #cbd5e1;
  font-size: 1.125rem;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.workflow-steps li {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 1.2rem;
}

.step-number {
  width: max-content;
  padding: 0.35rem 0.55rem;
  border-radius: 5px;
  background: var(--cyan);
  color: var(--deep);
  font-size: 1rem;
  font-weight: 700;
}

.workflow-steps h3 {
  color: #fff;
  font-size: 1.125rem;
}

.workflow-steps p {
  margin-top: 0.55rem;
  color: #cbd5e1;
  font-size: 1rem;
}

.screens {
  padding-block: var(--section);
}

.screen-gallery {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.screen-gallery figure {
  min-width: 0;
  overflow: hidden;
  padding: 10px;
  border-radius: var(--radius);
  background: var(--surface);
}

.shot-large {
  grid-column: span 7;
}

.screen-gallery figure:nth-child(2) {
  grid-column: span 5;
}

.screen-gallery figure:nth-child(3),
.screen-gallery figure:nth-child(4),
.screen-gallery figure:nth-child(5) {
  grid-column: span 4;
}

.screen-gallery figure:nth-child(6) {
  grid-column: span 12;
}

.screen-gallery a {
  display: block;
  overflow: hidden;
  border-radius: 7px;
  background: #fff;
}

.screen-gallery img {
  width: 100%;
  height: auto;
  aspect-ratio: 1476 / 988;
  object-fit: contain;
  transition: transform 300ms var(--ease);
}

.screen-gallery a:hover img {
  transform: scale(1.018);
}

.screen-gallery figcaption {
  display: grid;
  gap: 0.18rem;
  padding: 0.8rem 0.35rem 0.2rem;
  font-size: 1rem;
}

.screen-gallery figcaption strong {
  color: var(--ink);
}

.screen-gallery figcaption span {
  color: var(--text);
}

.report-section {
  padding-block: clamp(5rem, 8vw, 8rem);
  background: var(--surface);
}

.report-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(350px, 0.98fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.report-copy > p {
  max-width: 46ch;
  margin-top: 1.4rem;
  color: var(--text);
  font-size: clamp(1.2rem, 1.55vw, 1.5rem);
  line-height: 1.45;
}

.report-points {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
}

.report-points li {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  align-items: start;
}

.report-points strong {
  color: var(--ink);
}

.report-points span {
  color: var(--text);
}

.text-link-light {
  color: var(--accent-strong);
}

.report-preview {
  overflow: hidden;
  border-radius: 16px;
  background: var(--deep);
  color: #fff;
}

.report-score {
  padding: 2.2rem 1.5rem;
  text-align: center;
  background: #132d25;
}

.report-score strong {
  display: block;
  color: #4ade80;
  font-size: clamp(4rem, 7vw, 6rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.report-score span {
  display: block;
  margin-top: 0.65rem;
  color: #bbf7d0;
}

.report-preview dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  padding: 1.2rem;
}

.report-preview dl div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem;
  background: var(--deep-raised);
}

.report-preview dt {
  color: #cbd5e1;
}

.report-preview dd {
  color: #fff;
  font-weight: 700;
}

.report-preview .state-ok {
  color: #4ade80;
}

.report-preview > p {
  padding: 0 1.25rem 1.35rem;
  color: #cbd5e1;
  font-size: 1rem;
}

.download {
  padding-block: var(--section);
}

.download-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2.5rem;
  align-items: end;
  padding: clamp(2rem, 4vw, 3.5rem);
  border-radius: 18px;
  background: var(--accent);
  color: #fff;
}

.download h2 {
  color: #fff;
}

.download-main > div > p {
  max-width: 54ch;
  margin-top: 1.1rem;
  color: #eff6ff;
}

.download-action {
  display: grid;
  justify-items: end;
  gap: 0.7rem;
}

.download-action > span {
  color: #eff6ff;
}

.download-action .button {
  min-height: 50px;
  background: #fff;
  color: var(--accent-strong);
}

.requirements {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.requirements div {
  padding: 1rem 1.15rem;
  background: var(--surface);
  border-radius: 9px;
}

.requirements dt {
  color: var(--muted);
  font-size: 1rem;
}

.requirements dd {
  margin-top: 0.25rem;
  color: var(--ink);
  font-weight: 700;
}

.download-note {
  max-width: 68ch;
  margin-top: 1.2rem;
  padding: 1rem 1.15rem;
  background: var(--warning-soft);
  color: var(--text);
}

.download-note strong {
  color: var(--warning-strong);
}

.updates {
  padding-block: 0 var(--section);
}

.updates-head {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
  margin-bottom: 2rem;
}

.updates h2 {
  max-width: 10ch;
  font-size: clamp(2.25rem, 3.6vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.updates-head p {
  max-width: 52ch;
  color: var(--text);
}

.release-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.release-list li {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
  padding: 1.2rem;
  background: var(--surface);
}

.release-list li:nth-child(even) {
  background: transparent;
}

.release-list time {
  color: var(--accent-strong);
  font-weight: 700;
}

.release-list p {
  max-width: 62ch;
  color: var(--text);
}

.faq {
  padding-block: 0 var(--section);
}

.faq h2 {
  margin-bottom: 2rem;
}

.faq-list {
  display: grid;
  gap: 0.6rem;
}

.faq-list details {
  border-radius: 9px;
  background: var(--surface);
}

.faq-list summary {
  min-height: 62px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}

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

.faq-list summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.5rem;
}

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

.faq-list details p {
  max-width: 58ch;
  padding: 0 1.2rem 1.25rem;
  color: var(--text);
}

.site-footer {
  padding-block: 2rem;
  background: var(--deep);
  color: #cbd5e1;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem 3rem;
  align-items: center;
}

.footer-inner strong {
  color: #fff;
  font-size: 1.125rem;
}

.footer-inner p {
  margin-top: 0.25rem;
  color: #94a3b8;
  font-size: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem 1.4rem;
  font-size: 1rem;
}

.footer-links a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.2em;
}

.footer-links a:hover {
  color: #fff;
  text-decoration-color: currentColor;
}

.footer-inner > p:last-child {
  grid-column: 1 / -1;
}

html.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms var(--ease), transform 800ms var(--ease);
}

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

.hero-screen {
  animation: screen-open 1.05s var(--ease) both;
}

@keyframes screen-open {
  from {
    clip-path: inset(0 0 0 100%);
    transform: translateX(22px);
  }
  to {
    clip-path: inset(0);
    transform: none;
  }
}

@media (max-width: 980px) {
  .hero,
  .capability-layout,
  .workflow-head,
  .section-intro,
  .report-layout,
  .updates-head {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 3rem;
  }

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

  .workflow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .download-main {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .download-action {
    justify-items: start;
  }

  .status-legend p {
    margin-left: 0;
  }
}

@media (max-width: 760px) {
  .nav-shell {
    min-height: 66px;
    grid-template-columns: 1fr auto;
    gap: 1rem;
  }

  .brand > span:last-child {
    max-width: none;
    font-size: 0.82rem;
    line-height: 1.1;
    white-space: nowrap;
  }

  .nav-links {
    display: none;
  }

  .nav-action {
    min-height: 42px;
    padding: 0.6rem 0.85rem;
    font-size: 0.95rem;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero h1 {
    font-size: clamp(3rem, 13vw, 4rem);
  }

  .diagnostic-strip-inner {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .capability-screen {
    padding: 7px;
  }

  .screens {
    padding-block: 4.5rem;
  }

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

  .shot-large,
  .screen-gallery figure:nth-child(2),
  .screen-gallery figure:nth-child(3),
  .screen-gallery figure:nth-child(4),
  .screen-gallery figure:nth-child(5),
  .screen-gallery figure:nth-child(6) {
    grid-column: auto;
  }

  .workflow-steps {
    grid-template-columns: 1fr;
  }

  .report-preview dl {
    grid-template-columns: 1fr;
  }

  .release-list li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .requirements {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    display: grid;
  }

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

  .report-points li {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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