:root {
  --bg: #f3eee5;
  --bg-soft: #fbf8f3;
  --paper: #fffdf9;
  --ink: #151515;
  --ink-soft: #4f4b45;
  --line: rgba(30, 26, 20, 0.12);
  --line-strong: rgba(30, 26, 20, 0.2);
  --brand: #124734;
  --brand-deep: #0b3024;
  --accent: #c96f2d;
  --accent-soft: rgba(201, 111, 45, 0.12);
  --shadow: 0 24px 60px rgba(37, 31, 23, 0.08);
  --shadow-soft: 0 12px 30px rgba(37, 31, 23, 0.06);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --header-height: 78px;
  --content-width: 1240px;
  --font-body: "Avenir Next", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-display: "Iowan Old Style", "Songti SC", "Noto Serif CJK SC", "STSong", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(201, 111, 45, 0.14), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(18, 71, 52, 0.12), transparent 24%),
    linear-gradient(180deg, #faf6ef 0%, #f3eee5 38%, #efe9de 100%);
  font-family: var(--font-body);
  line-height: 1.7;
}

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

img {
  max-width: 100%;
}

.page-shell {
  min-height: 100vh;
  overflow-x: clip;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  padding: 18px 0;
  transition: padding 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-compact {
  padding: 10px 0;
}

.site-header.is-compact .shell-bar {
  box-shadow: 0 18px 40px rgba(18, 16, 11, 0.12);
}

.shell-wrap {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
}

.shell-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: calc(var(--header-height) - 10px);
  padding: 14px 18px 14px 20px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.78);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-copy {
  min-width: 0;
}

.brand-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-subtitle {
  display: block;
  color: var(--ink-soft);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.site-nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.site-nav-link:hover,
.site-nav-link.is-active {
  color: var(--ink);
  background: rgba(18, 71, 52, 0.08);
  transform: translateY(-1px);
}

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

.btn-shell,
.btn-accent,
.btn-ghost,
.btn-subtle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.btn-shell:hover,
.btn-accent:hover,
.btn-ghost:hover,
.btn-subtle:hover {
  transform: translateY(-1px);
}

.btn-accent {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  box-shadow: 0 16px 30px rgba(18, 71, 52, 0.18);
}

.btn-ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.75);
  border-color: var(--line);
}

.btn-subtle {
  color: var(--ink-soft);
  background: rgba(18, 71, 52, 0.06);
}

.nav-toggle {
  width: 46px;
  padding: 0;
}

.hero-section,
.content-section {
  padding: 24px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 28px;
}

.hero-panel,
.card-panel,
.editor-card,
.metric-card,
.story-card,
.tool-card,
.info-card,
.status-card,
.file-card {
  position: relative;
  overflow: hidden;
  background: rgba(255, 253, 249, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-panel::before,
.card-panel::before,
.editor-card::before,
.story-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 38%);
}

.hero-panel {
  padding: 56px;
}

.hero-panel.kicker-panel {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(18, 71, 52, 0.08);
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title,
.section-title,
.page-title,
.error-title {
  margin: 18px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
}

.hero-title em,
.page-title em {
  color: var(--accent);
  font-style: normal;
}

.hero-text,
.section-text,
.page-lead,
.story-text,
.error-text {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-stats,
.metrics-grid,
.feature-grid,
.tool-grid,
.story-grid,
.info-grid {
  display: grid;
  gap: 18px;
}

.hero-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 40px;
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tool-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.info-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card,
.tool-card,
.story-card,
.info-card,
.status-card {
  padding: 24px;
}

.metric-value {
  display: block;
  margin-bottom: 8px;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.metric-label,
.card-copy,
.tool-copy,
.story-copy,
.info-copy {
  color: var(--ink-soft);
}

.tool-card {
  min-height: 100%;
}

.tool-card h3,
.story-card h3,
.info-card h3,
.file-card h3 {
  margin: 0 0 10px;
  font-size: 1.16rem;
  font-weight: 800;
}

.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-weight: 700;
  color: var(--brand);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.section-title {
  margin: 12px 0 10px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.section-note {
  color: var(--ink-soft);
  max-width: 32ch;
  text-align: right;
}

.flow-list {
  display: grid;
  gap: 18px;
}

.flow-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 26px;
  background: rgba(255, 252, 247, 0.84);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.flow-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 20px;
  background: rgba(201, 111, 45, 0.14);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.8rem;
}

.page-hero {
  padding: 20px 0 34px;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  gap: 26px;
}

.page-hero-card {
  padding: 42px;
}

.page-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(18, 71, 52, 0.08);
  color: var(--brand);
  font-size: 0.92rem;
  font-weight: 700;
}

.workspace-section {
  padding-bottom: 80px;
}

.editor-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.workspace-main {
  display: grid;
  gap: 20px;
}

.file-card,
.editor-card {
  padding: 22px;
}

.card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.card-title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
}

.card-meta {
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.file-actions,
.action-row,
.status-row,
.toolbar-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.file-actions {
  margin-bottom: 14px;
}

.action-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
  font-weight: 700;
}

.action-pill:hover {
  border-color: var(--line-strong);
  background: #fff;
}

.file-list {
  display: grid;
  gap: 10px;
}

.file-entry {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.file-entry:hover {
  transform: translateY(-1px);
  border-color: rgba(18, 71, 52, 0.26);
}

.file-entry.is-active {
  border-color: rgba(18, 71, 52, 0.45);
  background: rgba(18, 71, 52, 0.08);
}

.file-name {
  margin: 0 0 4px;
  font-weight: 800;
}

.file-subtitle {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.editor-surface {
  position: relative;
  min-height: 620px;
  border-radius: 22px;
  border: 1px solid rgba(18, 71, 52, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.95)),
    repeating-linear-gradient(0deg, transparent 0, transparent 35px, rgba(21, 21, 21, 0.025) 35px, rgba(21, 21, 21, 0.025) 36px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  overflow: hidden;
}

.editor-surface.is-dragover {
  border-color: rgba(201, 111, 45, 0.55);
  background:
    linear-gradient(180deg, rgba(255, 248, 239, 0.95), rgba(255, 255, 255, 0.98)),
    repeating-linear-gradient(0deg, transparent 0, transparent 35px, rgba(201, 111, 45, 0.03) 35px, rgba(201, 111, 45, 0.03) 36px);
}

.editor-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 30px;
  color: var(--ink-soft);
  text-align: center;
}

.editor-native {
  width: 100%;
  min-height: 620px;
  padding: 28px 26px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 500 1rem/1.85 "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  resize: none;
  outline: 0;
}

.ace_editor,
.CodeMirror,
.quill-stage,
.ql-container {
  min-height: 620px;
}

.CodeMirror {
  height: auto;
  padding-bottom: 28px;
  background: transparent;
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
}

.EasyMDEContainer {
  height: 100%;
}

.EasyMDEContainer .editor-toolbar {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.EasyMDEContainer .CodeMirror,
.EasyMDEContainer .editor-preview-side {
  min-height: 560px;
  padding: 22px;
  background: transparent;
}

.EasyMDEContainer .editor-preview,
.EasyMDEContainer .editor-preview-side {
  background: rgba(255, 253, 249, 0.92);
}

.quill-stage {
  display: flex;
  flex-direction: column;
  min-height: 620px;
}

.quill-stage .ql-toolbar.ql-snow {
  border: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
  padding: 14px 16px;
}

.quill-stage .ql-container.ql-snow {
  border: 0;
  font-family: var(--font-body);
  font-size: 1rem;
}

.quill-stage .ql-editor {
  min-height: 560px;
  padding: 34px 32px 44px;
  line-height: 1.8;
}

.surface-word .ql-editor {
  width: min(210mm, calc(100% - 28px));
  margin: 30px auto;
  padding: 22mm 18mm;
  background: #fff;
  box-shadow: 0 25px 45px rgba(18, 16, 11, 0.12);
}

.surface-word .ql-editor p,
.surface-word .ql-editor li {
  font-family: "Times New Roman", "Songti SC", serif;
  font-size: 14pt;
}

.surface-word .ql-editor h1,
.surface-word .ql-editor h2,
.surface-word .ql-editor h3 {
  font-family: var(--font-display);
}

.editor-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.editor-hint-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.editor-hint-list li {
  display: flex;
  align-items: start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(30, 26, 20, 0.08);
}

.editor-hint-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.hint-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 82px;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(18, 71, 52, 0.08);
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 800;
}

.footer {
  padding: 0 0 34px;
}

.footer-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 30px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 28px;
  background: rgba(255, 250, 243, 0.82);
  box-shadow: var(--shadow-soft);
}

.footer-copy {
  color: var(--ink-soft);
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.drawer {
  background:
    radial-gradient(circle at top right, rgba(201, 111, 45, 0.12), transparent 34%),
    linear-gradient(180deg, #fffaf1 0%, #f7f1e8 100%);
}

.drawer .offcanvas-header {
  padding: 24px 24px 16px;
}

.drawer .offcanvas-body {
  padding: 0 24px 24px;
}

.drawer-section {
  padding: 22px 0;
  border-bottom: 1px solid rgba(30, 26, 20, 0.08);
}

.drawer-section:last-child {
  border-bottom: 0;
}

.drawer-title {
  margin: 0 0 12px;
  font-size: 1.02rem;
  font-weight: 800;
}

.drawer-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.drawer-link span {
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 600;
}

.seo-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.seo-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(201, 111, 45, 0.1);
  color: #8f4d1d;
  font-size: 0.86rem;
  font-weight: 700;
}

.error-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 30px 16px;
}

.error-card {
  width: min(100%, 860px);
  padding: 52px;
  text-align: center;
}

.error-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(18, 71, 52, 0.08);
  color: var(--brand);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.mobile-only {
  display: none;
}

@media (max-width: 1199px) {
  .site-nav {
    display: none;
  }

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

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

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

  .editor-layout {
    grid-template-columns: 1fr;
  }

  .file-card {
    order: 2;
  }

  .workspace-main {
    order: 1;
  }
}

@media (max-width: 767px) {
  .shell-wrap {
    width: min(calc(100% - 20px), var(--content-width));
  }

  .shell-bar,
  .hero-panel,
  .page-hero-card,
  .file-card,
  .editor-card,
  .metric-card,
  .tool-card,
  .story-card,
  .info-card,
  .error-card,
  .footer-panel {
    border-radius: 22px;
  }

  .shell-bar {
    min-height: auto;
    padding: 12px 14px;
  }

  .brand-subtitle,
  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: inline-flex;
  }

  .hero-panel,
  .page-hero-card,
  .error-card {
    padding: 30px 22px;
  }

  .hero-stats,
  .metrics-grid,
  .feature-grid,
  .tool-grid,
  .story-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

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

  .section-head,
  .editor-toolbar,
  .editor-status,
  .footer-panel {
    align-items: start;
    flex-direction: column;
  }

  .page-chip-row,
  .hero-actions,
  .shell-actions,
  .file-actions,
  .action-row {
    width: 100%;
  }

  .btn-shell,
  .btn-accent,
  .btn-ghost,
  .btn-subtle {
    width: 100%;
  }

  .editor-surface,
  .editor-native,
  .ace_editor,
  .CodeMirror,
  .quill-stage,
  .ql-container {
    min-height: 500px;
  }

  .surface-word .ql-editor {
    width: calc(100% - 16px);
    margin: 8px;
    padding: 18mm 12mm;
  }
}