/* Unified visual layer for the homepage and the Zuojingguantian detail page. */
:root {
  --xinyu-paper: #f7f1e8;
  --xinyu-paper-deep: #f1e8dc;
  --xinyu-surface: #fffdf9;
  --xinyu-surface-soft: #fbf7f1;
  --xinyu-ink: #253341;
  --xinyu-muted: #69746f;
  --xinyu-blue: #415a77;
  --xinyu-blue-deep: #31475f;
  --xinyu-sage: #44755d;
  --xinyu-orange: #d46a4c;
  --xinyu-line: #ddd1c4;
  --xinyu-radius-control: 14px;
  --xinyu-radius-card: 24px;
  --xinyu-radius-stage: 28px;
  --xinyu-shadow-soft: 0 14px 36px rgba(78, 64, 48, .08), 0 2px 8px rgba(78, 64, 48, .04);
  --xinyu-shadow-raised: 0 22px 54px rgba(65, 52, 39, .14), 0 5px 16px rgba(65, 52, 39, .07);
  --xinyu-ease: cubic-bezier(.2, .72, .22, 1);
}

html:has(body:is(.workbench-home, .workbench-courseware-detail)) {
  color-scheme: light;
  background: var(--xinyu-paper);
}

body:is(.workbench-home, .workbench-courseware-detail) {
  min-width: 320px;
  overflow-x: clip;
  color: var(--xinyu-ink);
  background:
    radial-gradient(circle at 8% 4%, rgba(255, 253, 249, .96), transparent 29rem),
    radial-gradient(circle at 92% 18%, rgba(213, 224, 215, .3), transparent 30rem),
    linear-gradient(180deg, var(--xinyu-paper) 0%, #f9f4ed 58%, var(--xinyu-paper-deep) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-optical-sizing: auto;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body:is(.workbench-home, .workbench-courseware-detail)::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .12;
  background-image: radial-gradient(rgba(65, 90, 119, .14) .55px, transparent .55px);
  background-size: 8px 8px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 76%);
  mask-image: linear-gradient(to bottom, #000, transparent 76%);
}

body:is(.workbench-home, .workbench-courseware-detail) :where(h1, h2, h3) {
  color: var(--xinyu-ink);
  font-family: inherit;
  text-wrap: balance;
}

body:is(.workbench-home, .workbench-courseware-detail) :where(p, li) {
  text-wrap: pretty;
}

body:is(.workbench-home, .workbench-courseware-detail) :where(a, button, .preview-stage):focus-visible {
  outline: 3px solid color-mix(in srgb, var(--xinyu-blue) 68%, white);
  outline-offset: 4px;
}

body:is(.workbench-home, .workbench-courseware-detail) .topbar {
  border: 1px solid rgba(221, 209, 196, .78);
  border-radius: 20px;
  background: rgba(255, 253, 249, .78);
  box-shadow: 0 10px 30px rgba(78, 64, 48, .07), inset 0 1px 0 rgba(255, 255, 255, .76);
  -webkit-backdrop-filter: blur(18px) saturate(118%);
  backdrop-filter: blur(18px) saturate(118%);
}

body.workbench-home .topbar {
  position: relative;
  top: 12px;
  z-index: 40;
  margin-top: 12px;
  padding: 14px 18px;
  animation: none;
}

body.workbench-courseware-detail .topbar {
  top: 10px;
  width: min(1228px, calc(100% - 24px));
  margin: 10px auto 0;
  border-bottom-color: rgba(221, 209, 196, .78);
}

body:is(.workbench-home, .workbench-courseware-detail) .mark {
  border-radius: 13px;
  color: #fffdf9;
  background: linear-gradient(145deg, #536d8a, var(--xinyu-blue-deep));
  box-shadow: 0 8px 20px rgba(49, 71, 95, .18), inset 0 1px 0 rgba(255, 255, 255, .28);
}

body:is(.workbench-home, .workbench-courseware-detail) .nav a {
  font-weight: 680;
}

body.workbench-courseware-detail .links a,
body.workbench-home .nav .nav-support {
  border-radius: 999px;
}

body.workbench-home .hero {
  min-height: min(760px, calc(100svh - 82px));
  padding-top: 46px;
  gap: clamp(28px, 4vw, 58px);
}

body.workbench-home .hero-copy {
  max-width: 590px;
}

body.workbench-home h1 {
  max-width: 8em;
  margin-bottom: 24px;
  color: var(--xinyu-ink);
  font-size: clamp(50px, 5.55vw, 74px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.045em;
}

body.workbench-home .sub {
  max-width: 31em;
  margin-bottom: 32px;
  color: var(--xinyu-muted);
  font-size: clamp(17px, 1.45vw, 19px);
  line-height: 1.82;
}

body.workbench-home .sub strong {
  color: var(--xinyu-ink);
  font-weight: 720;
}

body.workbench-home .cta-row {
  gap: 12px;
  margin-bottom: 30px;
}

body.workbench-home .btn,
body.workbench-home .nav-support,
body.workbench-courseware-detail :where(.site-return-link, .detail-online-link, .zuojing-purchase-button) {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--xinyu-radius-control);
  font-weight: 750;
  line-height: 1.2;
  touch-action: manipulation;
}

body.workbench-home .btn {
  padding: 13px 24px;
  font-size: 15px;
}

body.workbench-home .btn-primary {
  color: #fffdf9;
  background: var(--xinyu-blue);
  box-shadow: 0 10px 22px rgba(49, 71, 95, .18), inset 0 1px 0 rgba(255, 255, 255, .16);
}

body.workbench-home .btn-ghost {
  border: 1px solid color-mix(in srgb, var(--xinyu-orange) 62%, var(--xinyu-line));
  color: #a84f37;
  background: color-mix(in srgb, var(--xinyu-orange) 9%, var(--xinyu-surface));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .78);
}

body.workbench-home .trust {
  gap: 9px 22px;
  color: var(--xinyu-muted);
  font-size: 13px;
}

body.workbench-home .visual {
  height: clamp(470px, 46vw, 570px);
  perspective: none;
}

body.workbench-home .visual-inner {
  border-radius: 34px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 253, 249, .92), transparent 35%),
    linear-gradient(145deg, rgba(214, 226, 216, .52), rgba(226, 214, 199, .42));
}

body.workbench-home :where(.glow, .fx) {
  display: none;
  animation: none;
}

body.workbench-home .blob {
  inset: 7%;
  border-radius: 28px;
  background: linear-gradient(140deg, rgba(255, 253, 249, .48), rgba(65, 90, 119, .05));
  animation: none;
}

body.workbench-home .shot,
body.workbench-home .tag,
body.workbench-home .copy > * {
  animation: none;
}

body.workbench-home .shot {
  padding: 9px;
  border: 1px solid rgba(221, 209, 196, .9);
  border-radius: var(--xinyu-radius-card);
  background: var(--xinyu-surface);
  box-shadow: var(--xinyu-shadow-soft);
  will-change: auto;
}

body.workbench-home .shot img {
  border-radius: 17px;
  object-fit: cover;
}

body.workbench-home .shot-main {
  --home-base-transform: rotate(-.8deg);
  width: 64%;
  left: 4%;
  top: 16%;
  z-index: 3;
  box-shadow: var(--xinyu-shadow-raised);
}

body.workbench-home .shot-second {
  --home-base-transform: rotate(1deg);
  top: 4%;
}

body.workbench-home .shot-tool {
  --home-base-transform: rotate(-1deg);
}

body.workbench-home .tag {
  border: 1px solid rgba(221, 209, 196, .82);
  box-shadow: var(--xinyu-shadow-soft);
  font-weight: 720;
  will-change: auto;
}

body.workbench-home .tag-vr,
body.workbench-home .tag-edit,
body.workbench-home .tag-free {
  --home-base-transform: rotate(0deg);
}

body.workbench-home .lines {
  margin-bottom: 42px;
  padding: 36px 32px 44px;
  border: 1px solid rgba(221, 209, 196, .8);
  border-radius: 32px;
  background: rgba(255, 253, 249, .54);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .68);
}

body.workbench-home .lines h2 {
  margin-bottom: 20px;
  color: var(--xinyu-ink);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 760;
  letter-spacing: -.025em;
}

body.workbench-home .line-grid {
  gap: 18px;
}

body.workbench-home .line-card {
  border-color: rgba(221, 209, 196, .92);
  border-radius: var(--xinyu-radius-card);
  background: rgba(255, 253, 249, .94);
  box-shadow: var(--xinyu-shadow-soft);
}

body.workbench-home .line-card-tools,
body.workbench-home .line-card-courseware,
body.workbench-home .line-card-recording {
  background: var(--xinyu-surface);
}

body.workbench-home .line-preview {
  border-radius: 16px;
  background: var(--xinyu-surface-soft);
}

body.workbench-home .line-preview img {
  border-radius: inherit;
}

body.workbench-home .status-line {
  border-top: 1px solid var(--xinyu-line);
  color: var(--xinyu-muted);
}

body.workbench-courseware-detail {
  --courseware-paper: var(--xinyu-paper);
  --courseware-surface: var(--xinyu-surface);
  --courseware-ink: var(--xinyu-ink);
  --courseware-muted: var(--xinyu-muted);
  --courseware-structure: var(--xinyu-blue);
  --courseware-sage: var(--xinyu-sage);
  --courseware-clay: var(--xinyu-orange);
  --courseware-line: var(--xinyu-line);
  --courseware-shadow: var(--xinyu-shadow-raised);
  background: transparent;
}

body.workbench-courseware-detail > :where(.topbar, main, footer) {
  z-index: 1;
}

body.workbench-courseware-detail .nav {
  min-height: 66px;
}

body.workbench-courseware-detail .preview-section {
  padding: 16px 0 76px;
}

body.workbench-courseware-detail .site-return-wrap {
  width: min(1180px, calc(100% - 48px));
  margin-top: 18px;
  margin-bottom: 4px;
}

body.workbench-courseware-detail .site-return-link {
  min-height: 44px;
  padding: 8px 15px;
  border-color: rgba(65, 90, 119, .2);
  color: var(--xinyu-blue-deep);
  background: rgba(255, 253, 249, .72);
  box-shadow: 0 8px 22px rgba(78, 64, 48, .06);
}

body.workbench-courseware-detail .courseware-detail-intro {
  width: auto;
  margin: 0;
  padding: 34px 0 20px;
}

body.workbench-courseware-detail .courseware-detail-kicker {
  margin-bottom: 8px;
  color: var(--xinyu-sage);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

body.workbench-courseware-detail .courseware-detail-intro h1 {
  color: var(--xinyu-ink);
  font-size: clamp(40px, 5.2vw, 62px);
  font-weight: 800;
  letter-spacing: -.05em;
}

body.workbench-courseware-detail .courseware-preview {
  margin-top: 0;
  padding: 15px;
  border: 1px solid rgba(221, 209, 196, .9);
  border-radius: 32px;
  background: rgba(255, 253, 249, .82);
  box-shadow: var(--xinyu-shadow-soft);
}

body.workbench-courseware-detail .preview-toolbar {
  min-height: 42px;
  padding: 0 8px;
  color: var(--xinyu-muted);
  font-family: inherit;
  font-size: 12px;
  font-weight: 760;
  letter-spacing: .04em;
}

body.workbench-courseware-detail .preview-stage {
  border: 1px solid rgba(65, 90, 119, .22);
  border-radius: var(--xinyu-radius-stage);
  background: #20364d;
  box-shadow: 0 25px 58px rgba(37, 48, 60, .19);
}

body.workbench-courseware-detail .preview-slide.has-real-image .preview-copy {
  border-radius: 16px;
  background: rgba(22, 38, 54, .76);
}

body.workbench-courseware-detail .preview-controls {
  border-radius: 16px;
  background: rgba(31, 52, 72, .76);
  box-shadow: 0 10px 26px rgba(9, 20, 31, .22);
}

body.workbench-courseware-detail [data-motion-carousel] .preview-controls > button {
  border-radius: var(--xinyu-radius-control);
  background: var(--xinyu-sage);
}

body.workbench-courseware-detail :where(.detail-online-experience, .zuojing-doc-previews, .package-panel, .zuojing-purchase) {
  margin-top: 22px;
  border: 1px solid rgba(221, 209, 196, .92);
  border-radius: var(--xinyu-radius-card);
  background: rgba(255, 253, 249, .92);
  box-shadow: var(--xinyu-shadow-soft);
}

body.workbench-courseware-detail .detail-online-experience {
  padding: 22px 24px;
}

body.workbench-courseware-detail .detail-online-kicker,
body.workbench-courseware-detail .zuojing-section-head > span,
body.workbench-courseware-detail .package-head span {
  color: var(--xinyu-sage);
  font-weight: 800;
  letter-spacing: .06em;
}

body.workbench-courseware-detail .detail-online-copy p {
  color: var(--xinyu-ink);
  font-size: 16px;
}

body.workbench-courseware-detail .detail-online-link,
body.workbench-courseware-detail .zuojing-purchase-button {
  min-width: 136px;
  border-color: var(--xinyu-sage);
  color: #fffdf9;
  background: var(--xinyu-sage);
  box-shadow: 0 10px 22px rgba(68, 117, 93, .17), inset 0 1px 0 rgba(255, 255, 255, .16);
}

body.workbench-courseware-detail .zuojing-doc-previews,
body.workbench-courseware-detail .package-panel,
body.workbench-courseware-detail .zuojing-purchase {
  padding: 24px;
}

body.workbench-courseware-detail .zuojing-section-head {
  margin-bottom: 20px;
}

body.workbench-courseware-detail .zuojing-section-head h2 {
  color: var(--xinyu-ink);
  font-size: clamp(27px, 3.2vw, 38px);
  letter-spacing: -.035em;
}

body.workbench-courseware-detail .zuojing-doc-grid {
  gap: 16px;
}

body.workbench-courseware-detail .zuojing-doc-card {
  padding: 13px;
  border-color: rgba(221, 209, 196, .92);
  border-radius: 18px;
  background: var(--xinyu-surface-soft);
}

body.workbench-courseware-detail .zuojing-doc-card h3 {
  color: var(--xinyu-ink);
  font-size: 16px;
  font-weight: 760;
}

body.workbench-courseware-detail .zuojing-doc-sheet {
  border-radius: 13px;
}

body.workbench-courseware-detail .package-files {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

body.workbench-courseware-detail .package-files li {
  min-height: 58px;
  padding: 11px 13px;
  border-color: rgba(221, 209, 196, .86);
  border-radius: 14px;
  background: var(--xinyu-surface-soft);
}

body.workbench-courseware-detail .zuojing-purchase {
  border-color: rgba(68, 117, 93, .28);
  background: linear-gradient(135deg, #f2f6f1, #e9f0e8);
  box-shadow: 0 16px 38px rgba(68, 117, 93, .1);
}

body.workbench-courseware-detail .zuojing-price strong {
  color: var(--xinyu-sage);
}

body.workbench-courseware-detail footer {
  border-top-color: rgba(221, 209, 196, .92);
  color: var(--xinyu-muted);
  background: rgba(241, 232, 220, .76);
}

html.xinyu-motion-ready body:is(.workbench-home, .workbench-courseware-detail) [data-xinyu-motion-interactive] {
  transition-property: color, background-color, border-color, box-shadow, filter;
}

html.xinyu-motion-ready body.workbench-home :where(.btn, .nav-support, .shot-link, .line-card),
html.xinyu-motion-ready body.workbench-courseware-detail :where(.site-return-link, .detail-online-link, .zuojing-doc-card, .zuojing-purchase-button) {
  transform: none;
}

@media (hover: hover) and (pointer: fine) {
  body.workbench-home :where(.shot-link, .line-card):hover,
  body.workbench-home :where(.shot-link, .line-card):focus-visible,
  body.workbench-courseware-detail .zuojing-doc-card:hover {
    box-shadow: var(--xinyu-shadow-raised);
  }

  body.workbench-home :where(.shot-main, .shot-second):hover img,
  body.workbench-home :where(.shot-main, .shot-second):focus-visible img,
  body.workbench-home .line-card:hover .line-preview img,
  body.workbench-home .line-card:focus-visible .line-preview img {
    transform: scale(1.012);
  }
}

@media (max-width: 900px) {
  body.workbench-home .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    padding-top: 54px;
  }

  body.workbench-home .hero-copy {
    max-width: 720px;
  }

  body.workbench-home .visual {
    height: min(70vw, 560px);
  }

  body.workbench-courseware-detail .package-files {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body.workbench-home .topbar {
    top: 8px;
    width: calc(100% - 24px);
    margin-top: 8px;
    padding: 9px 10px;
    border-radius: 17px;
  }

  body.workbench-home .hero {
    width: calc(100% - 24px);
    padding: 48px 0 46px;
  }

  body.workbench-home h1 {
    font-size: clamp(44px, 13vw, 56px);
  }

  body.workbench-home .sub {
    font-size: 16px;
  }

  body.workbench-home .btn {
    min-height: 48px;
    padding: 12px 16px;
    font-size: 14px;
  }

  body.workbench-home .trust {
    display: grid;
    gap: 8px;
  }

  body.workbench-home .visual {
    height: 350px;
  }

  body.workbench-home .visual-inner {
    border-radius: 25px;
  }

  body.workbench-home .lines {
    width: calc(100% - 24px);
    margin-bottom: 24px;
    padding: 26px 12px 18px;
    border-radius: 24px;
  }

  body.workbench-home .line-grid {
    gap: 14px;
  }

  body.workbench-home .line-card {
    border-radius: 20px;
  }

  body.workbench-courseware-detail .topbar {
    top: 6px;
    width: calc(100% - 12px);
    margin-top: 6px;
    border-radius: 17px;
  }

  body.workbench-courseware-detail .site-return-wrap,
  body.workbench-courseware-detail :where(.nav, .wrap, .footer-inner) {
    width: calc(100% - 24px);
  }

  body.workbench-courseware-detail .site-return-wrap {
    margin-top: 14px;
  }

  body.workbench-courseware-detail .courseware-detail-intro {
    padding: 28px 0 16px;
  }

  body.workbench-courseware-detail .courseware-detail-intro h1 {
    font-size: 40px;
  }

  body.workbench-courseware-detail .courseware-preview {
    padding: 8px;
    border-radius: 22px;
  }

  body.workbench-courseware-detail .preview-toolbar {
    min-height: 36px;
    padding: 0 5px;
  }

  body.workbench-courseware-detail .preview-stage {
    border-radius: 17px;
  }

  body.workbench-courseware-detail :where(.detail-online-experience, .zuojing-purchase) {
    align-items: stretch;
    flex-direction: column;
  }

  body.workbench-courseware-detail :where(.detail-online-link, .zuojing-purchase-button) {
    width: 100%;
  }

  body.workbench-courseware-detail .detail-online-experience,
  body.workbench-courseware-detail .zuojing-doc-previews,
  body.workbench-courseware-detail .package-panel,
  body.workbench-courseware-detail .zuojing-purchase {
    margin-top: 16px;
    padding: 16px;
    border-radius: 18px;
  }

  body.workbench-courseware-detail .package-files {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-transparency: reduce) {
  body:is(.workbench-home, .workbench-courseware-detail) .topbar,
  body.workbench-courseware-detail .site-return-link,
  body.workbench-courseware-detail .courseware-preview,
  body.workbench-courseware-detail :where(.detail-online-experience, .zuojing-doc-previews, .package-panel) {
    background: var(--xinyu-surface);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.xinyu-motion-ready body:is(.workbench-home, .workbench-courseware-detail) [data-xinyu-motion-interactive] {
    transform: none !important;
  }

  body:is(.workbench-home, .workbench-courseware-detail) :where(.shot-link, .line-card, .btn, .nav-support, .site-return-link, .detail-online-link, .zuojing-doc-card, .zuojing-purchase-button) {
    transform: none !important;
  }
}

/* Keep the current homepage-only static brand light field. */
body.workbench-home .visual-inner {
  isolation: isolate;
  background:
    radial-gradient(ellipse 78% 72% at 64% 24%, rgba(143, 175, 164, .16), transparent 67%),
    radial-gradient(ellipse 58% 52% at 82% 88%, rgba(212, 106, 76, .07), transparent 74%),
    radial-gradient(circle at 30% 25%, rgba(255, 253, 249, .92), transparent 35%),
    linear-gradient(145deg, rgba(214, 226, 216, .52), rgba(226, 214, 199, .42));
}

body.workbench-home .visual-inner::before {
  content: "";
  position: absolute;
  inset: -10% -7% -16% 12%;
  z-index: 0;
  pointer-events: none;
  border: 1px solid rgba(65, 90, 119, .06);
  border-radius: 50%;
  transform: rotate(-11deg);
}

@media (max-width: 640px) {
  body.workbench-home .visual-inner {
    background:
      radial-gradient(ellipse 84% 70% at 62% 22%, rgba(143, 175, 164, .10), transparent 69%),
      radial-gradient(ellipse 62% 50% at 82% 88%, rgba(212, 106, 76, .04), transparent 74%),
      radial-gradient(circle at 30% 25%, rgba(255, 253, 249, .92), transparent 35%),
      linear-gradient(145deg, rgba(214, 226, 216, .52), rgba(226, 214, 199, .42));
  }

  body.workbench-home .visual-inner::before {
    opacity: .35;
  }
}