*{box-sizing:border-box}:root{--bg:#f7f8fb;--bg2:#eef2ff;--text:#111827;--muted:#4b5563;--soft:#6b7280;--line:rgba(17,24,39,.10);--card:rgba(255,255,255,.9);--primary:#111827;--accent:#4f46e5}body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;color:var(--text);background:linear-gradient(135deg,var(--bg),var(--bg2))}.site-header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 7%;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.brand{font-size:24px;font-weight:800;letter-spacing:-.03em}nav{display:flex;flex-wrap:wrap;gap:16px}nav a{color:#374151;text-decoration:none;font-size:15px}nav a:hover{color:var(--text)}.container{width:min(1120px,92%);margin:0 auto;padding:72px 0}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:13px}h1{font-size:clamp(38px,6vw,68px);line-height:1.05;margin:12px 0 22px;letter-spacing:-.06em}h2{font-size:24px;margin-top:0}p,li{font-size:17px;line-height:1.75;color:#374151}.lead{font-size:20px;color:var(--muted)}.actions,.download-box,.tool-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:12px;text-decoration:none;font-weight:700;border:0;cursor:pointer;font-size:15px}.primary{background:var(--primary);color:#fff}.secondary{background:#fff;color:var(--primary);border:1px solid rgba(17,24,39,.12)}.disabled{opacity:.55;cursor:not-allowed;pointer-events:none}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:0 18px 50px rgba(17,24,39,.08)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.tool-section{margin-top:42px}.tool-section-header{display:flex;align-items:end;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:20px}.tool-section-header h2{margin:0}.tool-count{color:var(--soft);font-size:14px}.tool-card{display:flex;flex-direction:column;gap:12px}.tool-card p{margin:0}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 0}.tag{display:inline-flex;padding:4px 9px;border-radius:999px;font-size:12px;color:#3730a3;background:rgba(79,70,229,.10)}.article{max-width:860px}.article section{margin-top:32px}.note,.tool-mini{font-size:14px;color:var(--soft)}footer{padding:28px 7%;border-top:1px solid var(--line)}footer p{font-size:14px;color:var(--soft)}.tool-layout{display:grid;grid-template-columns:1fr;gap:20px}.tool-panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 14px 40px rgba(17,24,39,.06)}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.tool-label{display:block;margin:12px 0 8px;font-weight:700;color:#1f2937}.tool-input,.tool-textarea,.tool-select{width:100%;border:1px solid rgba(17,24,39,.14);border-radius:12px;padding:12px 14px;font-size:15px;background:#fff;color:var(--text)}.tool-textarea{min-height:220px;resize:vertical;line-height:1.55;font-family:Consolas,Monaco,"Courier New",monospace}.tool-output{white-space:pre-wrap;word-break:break-word;min-height:160px;border:1px solid rgba(17,24,39,.12);border-radius:12px;padding:14px;background:#f9fafb;font-family:Consolas,Monaco,"Courier New",monospace;font-size:14px;line-height:1.6}.tool-checkbox{display:inline-flex;align-items:center;gap:6px;margin-right:12px;color:#374151}.tool-danger{color:#b91c1c}.tool-success{color:#047857}.tool-preview{min-height:260px;background:#fff;border:1px solid rgba(17,24,39,.12);border-radius:12px;padding:20px;overflow:auto}.tool-preview pre{overflow:auto;padding:12px;border-radius:10px;background:#f3f4f6}.tool-preview code,code{display:inline-block;max-width:100%;overflow-wrap:anywhere;padding:3px 6px;border-radius:6px;background:rgba(17,24,39,.06);font-family:Consolas,Monaco,monospace;font-size:14px}.tool-table-wrap{width:100%;overflow:auto;border-radius:12px;border:1px solid rgba(17,24,39,.08)}.tool-table{width:100%;border-collapse:collapse;background:#fff}.tool-table th,.tool-table td{border-bottom:1px solid rgba(17,24,39,.08);padding:10px 12px;text-align:left;font-size:14px;white-space:nowrap}.tool-table th{background:#f3f4f6;font-weight:800}.back-link{display:inline-flex;margin-bottom:18px;color:var(--accent);text-decoration:none;font-weight:700}@media(max-width:760px){.site-header{align-items:flex-start;flex-direction:column}.hero,.grid,.tool-grid{grid-template-columns:1fr}.container{padding:48px 0}}

.tool-code {
  font-family: Consolas, Monaco, monospace;
  background: #f8fafc;
  border: 1px solid rgba(17,24,39,0.08);
  border-radius: 12px;
  padding: 12px 14px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}


.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #111827;
  text-decoration: none;
}

.brand:visited,
.brand:hover,
.brand:active {
  color: #111827;
  text-decoration: none;
}

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(17, 24, 39, 0.16));
}


.brand-text {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #111827;
}


.download-app-head {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
}


.app-icon {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  box-shadow: 0 16px 38px rgba(17, 24, 39, 0.16);
  flex: 0 0 auto;
}


.app-title-group h2 {
  margin-bottom: 4px;
}

.app-subtitle {
  margin: 0;
  font-size: 15px;
  color: #6b7280;
}

@media (max-width: 760px) {
  .brand-logo {
    width: 36px;
    height: 36px;
  }

  .download-app-head {
    align-items: flex-start;
  }

  .app-icon {
    width: 68px;
    height: 68px;
    border-radius: 18px;
  }
}

.app-meta-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}


/* V0.6.3 safe brand header fix */
.site-header .brand {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  color: #111827 !important;
  text-decoration: none !important;
  line-height: 1 !important;
}

.site-header .brand:visited,
.site-header .brand:hover,
.site-header .brand:active {
  color: #111827 !important;
  text-decoration: none !important;
}

.site-header .brand-logo {
  width: 28px !important;
  height: 28px !important;
  max-width: 28px !important;
  max-height: 28px !important;
  min-width: 28px !important;
  min-height: 28px !important;
  object-fit: contain !important;
  display: block !important;
  flex: 0 0 28px !important;
  filter: drop-shadow(0 4px 8px rgba(17, 24, 39, 0.14));
}

.site-header .brand-text {
  font-size: 24px !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
  line-height: 1 !important;
  color: #111827 !important;
}

.download-app-head {
  display: flex !important;
  gap: 18px !important;
  align-items: center !important;
  margin-bottom: 18px !important;
}

.app-icon {
  width: 88px !important;
  height: 88px !important;
  max-width: 88px !important;
  max-height: 88px !important;
  min-width: 88px !important;
  min-height: 88px !important;
  object-fit: cover !important;
  border-radius: 22px !important;
  box-shadow: 0 16px 38px rgba(17, 24, 39, 0.16) !important;
  flex: 0 0 88px !important;
}

.app-title-group h2 {
  margin-bottom: 4px !important;
}

.app-subtitle {
  margin: 0 !important;
  font-size: 15px !important;
  color: #6b7280 !important;
}

@media (max-width: 760px) {
  .site-header .brand-logo {
    width: 26px !important;
    height: 26px !important;
    max-width: 26px !important;
    max-height: 26px !important;
    min-width: 26px !important;
    min-height: 26px !important;
    flex-basis: 26px !important;
  }

  .app-icon {
    width: 68px !important;
    height: 68px !important;
    max-width: 68px !important;
    max-height: 68px !important;
    min-width: 68px !important;
    min-height: 68px !important;
    flex-basis: 68px !important;
    border-radius: 18px !important;
  }
}


/* V0.6.4 header row fix */
.site-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 24px !important;
  flex-wrap: nowrap !important;
}

.site-header nav {
  display: flex !important;
  align-items: center !important;
  gap: 24px !important;
  flex-wrap: wrap !important;
}

.site-header .brand {
  display: inline-flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 8px !important;
  white-space: nowrap !important;
  text-decoration: none !important;
  color: #111827 !important;
  line-height: 1 !important;
}

.site-header .brand:hover,
.site-header .brand:visited,
.site-header .brand:active {
  text-decoration: none !important;
  color: #111827 !important;
}

.site-header .brand-logo {
  width: 34px !important;
  height: 34px !important;
  max-width: 34px !important;
  max-height: 34px !important;
  min-width: 34px !important;
  min-height: 34px !important;
  object-fit: contain !important;
  display: block !important;
  flex: 0 0 34px !important;
}

.site-header .brand-text {
  display: inline-block !important;
  font-size: 24px !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
  line-height: 1 !important;
  color: #111827 !important;
}

.download-app-head {
  display: flex !important;
  align-items: center !important;
  gap: 18px !important;
  margin-bottom: 18px !important;
}

.app-icon {
  width: 88px !important;
  height: 88px !important;
  object-fit: cover !important;
  border-radius: 22px !important;
  flex: 0 0 88px !important;
}

@media (max-width: 760px) {
  .site-header {
    flex-wrap: wrap !important;
    gap: 16px !important;
  }

  .site-header nav {
    gap: 14px !important;
  }

  .site-header .brand-logo {
    width: 30px !important;
    height: 30px !important;
    max-width: 30px !important;
    max-height: 30px !important;
    min-width: 30px !important;
    min-height: 30px !important;
    flex-basis: 30px !important;
  }

  .site-header .brand-text {
    font-size: 22px !important;
  }

  .app-icon {
    width: 72px !important;
    height: 72px !important;
    flex-basis: 72px !important;
  }
}


/* V0.7 tool result table helpers */
.result-ok {
  color: #047857;
  font-weight: 700;
}

.result-warn {
  color: #b45309;
  font-weight: 700;
}

.result-error {
  color: #b91c1c;
  font-weight: 700;
}

.tool-actions-sticky {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.small-input {
  max-width: 260px;
}

.issue-list {
  margin: 0;
  padding-left: 18px;
}

.issue-list li {
  font-size: 14px;
  line-height: 1.55;
}


/* V0.8.2 REAL tools search/filter */
.tools-toolbar {
  display: grid;
  gap: 16px;
  margin: 30px 0 34px;
  padding: 22px;
  border: 2px solid rgba(79, 70, 229, 0.18);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 40px rgba(17, 24, 39, 0.07);
}

.tools-search-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.tools-search {
  width: 100%;
  min-height: 52px;
  border: 2px solid rgba(79, 70, 229, 0.24);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 16px;
  background: #fff;
  color: #111827;
}

.tools-search:focus {
  outline: 3px solid rgba(79, 70, 229, 0.18);
  border-color: rgba(79, 70, 229, 0.58);
}

.tools-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-chip {
  border: 1px solid rgba(17, 24, 39, 0.12);
  background: #fff;
  color: #374151;
  border-radius: 999px;
  padding: 9px 14px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
}

.filter-chip.active {
  background: #111827;
  border-color: #111827;
  color: #fff;
}

.tools-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: #6b7280;
  font-size: 14px;
}

.no-results {
  display: none;
  padding: 28px;
  border: 1px dashed rgba(17, 24, 39, 0.18);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.75);
  color: #6b7280;
}

.quick-tools {
  margin-top: 26px;
}

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

.quick-card {
  padding: 18px;
  border-radius: 18px;
}

.quick-card h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.quick-card p {
  font-size: 14px;
  line-height: 1.55;
}

@media (max-width: 980px) {
  .quick-tools .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .tools-search-row {
    flex-direction: column;
    align-items: stretch;
  }

  .quick-tools .grid {
    grid-template-columns: 1fr;
  }
}


/* V0.9 search polish + developer tools */
.tools-toolbar.v09 {
  position: sticky;
  top: 82px;
  z-index: 6;
  display: grid;
  gap: 16px;
  margin: 30px 0 34px;
  padding: 22px;
  border: 2px solid rgba(79, 70, 229, 0.18);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 55px rgba(17, 24, 39, 0.10);
  backdrop-filter: blur(16px);
}

.tools-toolbar-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.tools-toolbar-title h2 {
  margin: 0;
}

.tools-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.tools-search-icon {
  position: absolute;
  left: 16px;
  color: #6b7280;
  font-size: 18px;
  pointer-events: none;
}

.tools-search.v09 {
  width: 100%;
  min-height: 56px;
  border: 2px solid rgba(79, 70, 229, 0.24);
  border-radius: 16px;
  padding: 15px 16px 15px 46px;
  font-size: 17px;
  background: #fff;
  color: #111827;
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.08);
}

.tools-search.v09:focus {
  outline: 4px solid rgba(79, 70, 229, 0.16);
  border-color: rgba(79, 70, 229, 0.62);
}

.keyword-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.keyword-chip {
  border: 1px solid rgba(79, 70, 229, 0.14);
  background: rgba(79, 70, 229, 0.06);
  color: #3730a3;
  border-radius: 999px;
  padding: 7px 11px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
}

.keyword-chip:hover {
  background: rgba(79, 70, 229, 0.12);
}

.tools-filter-row.v09 {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-chip.v09 {
  border: 1px solid rgba(17, 24, 39, 0.12);
  background: #fff;
  color: #374151;
  border-radius: 999px;
  padding: 9px 14px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
}

.filter-chip.v09.active {
  background: #111827;
  border-color: #111827;
  color: #fff;
}

.tools-summary.v09 {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: #6b7280;
  font-size: 14px;
}

.tools-summary.v09 strong {
  color: #111827;
}

.no-results.v09 {
  display: none;
  padding: 28px;
  border: 1px dashed rgba(17, 24, 39, 0.18);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.75);
  color: #6b7280;
}

.tool-card mark {
  padding: 0 2px;
  border-radius: 4px;
  background: rgba(250, 204, 21, 0.38);
  color: inherit;
}

.tool-status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(5, 150, 105, 0.10);
  color: #047857;
  font-size: 12px;
  font-weight: 800;
}

.copy-toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 99;
  display: none;
  padding: 12px 16px;
  border-radius: 14px;
  background: #111827;
  color: #fff;
  box-shadow: 0 18px 50px rgba(17, 24, 39, 0.25);
}

@media (max-width: 760px) {
  .tools-toolbar.v09 {
    position: static;
    padding: 18px;
  }

  .tools-toolbar-title {
    align-items: flex-start;
    flex-direction: column;
  }
}


/* V1.0 unified search/filter boxes */
.tools-toolbar.v09,
.tools-toolbar.v10 {
  position: sticky;
  top: 82px;
  z-index: 6;
  display: grid;
  gap: 18px;
  margin: 30px 0 34px;
  padding: 24px;
  border: 2px solid rgba(79, 70, 229, 0.18);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 55px rgba(17, 24, 39, 0.10);
  backdrop-filter: blur(16px);
}

.tools-search-row {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 12px !important;
  align-items: stretch !important;
}

.tools-search-wrap {
  width: 100%;
}

.tools-search.v09,
.tools-search.v10 {
  width: 100%;
  height: 54px !important;
  min-height: 54px !important;
  border: 2px solid rgba(79, 70, 229, 0.24);
  border-radius: 16px;
  padding: 0 16px 0 46px;
  font-size: 16px;
  background: #fff;
  color: #111827;
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.08);
}

.tools-search-row .button {
  width: 120px !important;
  height: 54px !important;
  padding: 0 !important;
  border-radius: 16px !important;
  font-size: 16px !important;
}

.keyword-row,
.tools-filter-row.v09,
.tools-filter-row.v10 {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(116px, 1fr));
  gap: 10px !important;
}

.keyword-chip,
.filter-chip.v09,
.filter-chip.v10 {
  width: 100% !important;
  height: 44px !important;
  min-height: 44px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  border-radius: 12px !important;
  padding: 0 10px !important;
  line-height: 1.1 !important;
  white-space: nowrap !important;
}

.filter-chip.v09,
.filter-chip.v10 {
  border: 1px solid rgba(17, 24, 39, 0.12);
  background: #fff;
  color: #374151;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
}

.filter-chip.v09.active,
.filter-chip.v10.active {
  background: #111827;
  border-color: #111827;
  color: #fff;
}

.keyword-chip {
  border: 1px solid rgba(79, 70, 229, 0.14);
  background: rgba(79, 70, 229, 0.06);
  color: #3730a3;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
}

.tool-code {
  font-family: Consolas, Monaco, monospace;
  background: #f8fafc;
  border: 1px solid rgba(17,24,39,0.08);
  border-radius: 12px;
  padding: 12px 14px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media (max-width: 760px) {
  .tools-toolbar.v09,
  .tools-toolbar.v10 {
    position: static;
    padding: 18px;
  }

  .tools-search-row {
    grid-template-columns: 1fr !important;
  }

  .tools-search-row .button {
    width: 100% !important;
  }

  .keyword-row,
  .tools-filter-row.v09,
  .tools-filter-row.v10 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


/* V1.1 strict equal-width chips + extra tools */
.keyword-row,
.tools-filter-row.v09,
.tools-filter-row.v10,
.tools-filter-row.v11 {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 10px !important;
  align-items: center !important;
}

.keyword-chip,
.filter-chip.v09,
.filter-chip.v10,
.filter-chip.v11 {
  width: 126px !important;
  min-width: 126px !important;
  max-width: 126px !important;
  height: 44px !important;
  min-height: 44px !important;
  max-height: 44px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  border-radius: 12px !important;
  padding: 0 8px !important;
  line-height: 1.1 !important;
  white-space: nowrap !important;
  box-sizing: border-box !important;
}

.filter-chip.v11 {
  border: 1px solid rgba(17, 24, 39, 0.12);
  background: #fff;
  color: #374151;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
}

.filter-chip.v11.active {
  background: #111827;
  border-color: #111827;
  color: #fff;
}

.tool-inline-help {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(79, 70, 229, 0.06);
  color: #374151;
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 760px) {
  .keyword-chip,
  .filter-chip.v09,
  .filter-chip.v10,
  .filter-chip.v11 {
    width: calc(50% - 5px) !important;
    min-width: calc(50% - 5px) !important;
    max-width: calc(50% - 5px) !important;
  }
}


/* V1.2 image tools */
.image-preview-wrap {
  display: grid;
  gap: 14px;
}

.image-preview {
  max-width: 100%;
  max-height: 460px;
  border-radius: 16px;
  border: 1px solid rgba(17, 24, 39, 0.10);
  background: #f8fafc;
  object-fit: contain;
}

.image-meta {
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: #4b5563;
}

.icon-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.icon-preview-card {
  padding: 16px;
  border: 1px solid rgba(17, 24, 39, 0.10);
  border-radius: 18px;
  background: rgba(255,255,255,0.82);
  text-align: center;
}

.icon-preview-card img {
  display: block;
  object-fit: cover;
  margin: 0 auto 10px;
  box-shadow: 0 12px 28px rgba(17,24,39,0.14);
}

.icon-preview-card p {
  margin: 0;
  color: #4b5563;
  font-size: 14px;
}

.icon-dark-preview {
  background: #111827;
}

.drop-zone {
  border: 2px dashed rgba(79, 70, 229, 0.25);
  border-radius: 18px;
  background: rgba(79, 70, 229, 0.04);
  padding: 18px;
}

.drop-zone input[type="file"] {
  width: 100%;
}

.range-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.range-row input[type="range"] {
  flex: 1;
}


/* V1.3 test page + release tools */
.test-dashboard {
  display: grid;
  gap: 18px;
}

.test-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.test-stat-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(17,24,39,0.08);
  box-shadow: 0 12px 30px rgba(17,24,39,0.05);
}

.test-stat-card strong {
  display: block;
  font-size: 28px;
  color: #111827;
  line-height: 1.1;
}

.test-stat-card span {
  color: #6b7280;
  font-size: 14px;
}

.test-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(17,24,39,0.08);
}

.test-table th,
.test-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(17,24,39,0.08);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

.test-table th {
  background: #f8fafc;
  color: #374151;
}

.status-ok { color: #047857; font-weight: 800; }
.status-warn { color: #b45309; font-weight: 800; }
.status-error { color: #b91c1c; font-weight: 800; }

.release-checklist {
  display: grid;
  gap: 10px;
}

.release-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(17,24,39,0.08);
}

.release-checklist input {
  margin-top: 4px;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}


/* V1.4 dev hiding + site tools */
.site-tool-preview {
  border: 1px solid rgba(17,24,39,0.08);
  background: #f8fafc;
  border-radius: 14px;
  padding: 14px;
  overflow: auto;
}

.warning-card {
  border: 1px solid rgba(180, 83, 9, 0.22);
  background: rgba(251, 191, 36, 0.10);
  border-radius: 16px;
  padding: 14px 16px;
  color: #92400e;
}

.secret-note {
  border: 1px dashed rgba(79, 70, 229, 0.28);
  background: rgba(79, 70, 229, 0.06);
  border-radius: 16px;
  padding: 14px 16px;
  color: #3730a3;
}


/* V1.5 dynamic tools home + extra dev tools */
.personal-tools {
  display: none;
  margin: 22px 0 28px;
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(17, 24, 39, 0.08);
  background: rgba(255,255,255,0.82);
  box-shadow: 0 12px 34px rgba(17,24,39,0.06);
}

.personal-tools.active {
  display: block;
}

.personal-tool-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.personal-tool-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid rgba(17,24,39,0.12);
  color: #111827;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.personal-tool-link:hover {
  border-color: rgba(79,70,229,0.38);
}

.favorite-tool-btn {
  margin-top: 10px;
  width: 100%;
  min-height: 38px;
  border: 1px solid rgba(79,70,229,0.16);
  background: rgba(79,70,229,0.06);
  color: #3730a3;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
}

.favorite-tool-btn.active {
  background: rgba(250, 204, 21, 0.20);
  border-color: rgba(202, 138, 4, 0.24);
  color: #92400e;
}

.dev-preview-box {
  min-height: 160px;
  border-radius: 18px;
  border: 1px solid rgba(17,24,39,0.08);
  background: #f8fafc;
  padding: 18px;
}

.color-swatch {
  width: 100%;
  height: 92px;
  border-radius: 16px;
  border: 1px solid rgba(17,24,39,0.10);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.45);
}

.gradient-preview {
  height: 180px;
  border-radius: 18px;
  border: 1px solid rgba(17,24,39,0.10);
}


/* V1.6 what's new + common tools */
.whats-new-banner {
  margin: 24px 0 24px;
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(79, 70, 229, 0.16);
  background: linear-gradient(135deg, rgba(79,70,229,0.08), rgba(6,182,212,0.07));
  box-shadow: 0 16px 44px rgba(17, 24, 39, 0.07);
}

.whats-new-banner h2 {
  margin: 0 0 8px;
}

.whats-new-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 16px;
}

.whats-new-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: #374151;
}

.whats-new-item strong {
  color: #111827;
}

.version-timeline {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.version-card {
  border: 1px solid rgba(17,24,39,0.08);
  border-radius: 22px;
  background: rgba(255,255,255,0.88);
  padding: 22px;
  box-shadow: 0 12px 34px rgba(17,24,39,0.05);
}

.version-card h2 {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(79,70,229,0.10);
  color: #3730a3;
  font-size: 13px;
  font-weight: 800;
}

.progress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.progress-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(17,24,39,0.08);
}

.progress-card strong {
  display: block;
  font-size: 26px;
  color: #111827;
  line-height: 1.1;
}

.progress-card span {
  color: #6b7280;
  font-size: 14px;
}

.common-tools-note {
  margin-top: 10px;
  color: #6b7280;
  font-size: 14px;
}


/* V1.7 sidebar layout + extra tools */
.tools-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.tools-sidebar {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(17,24,39,0.08);
  box-shadow: 0 14px 34px rgba(17,24,39,0.06);
}

.tools-sidebar h2 {
  margin: 0;
  font-size: 18px;
}

.sidebar-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 12px;
  color: #374151;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid rgba(17,24,39,0.06);
  background: rgba(248,250,252,0.88);
}

.sidebar-link:hover {
  border-color: rgba(79,70,229,0.24);
  color: #111827;
}

.sidebar-link span {
  color: #6b7280;
  font-weight: 800;
  font-size: 12px;
}

.tools-content {
  min-width: 0;
}

.tool-section {
  scroll-margin-top: 110px;
}

.watermark-preview {
  max-width: 100%;
  max-height: 520px;
  border-radius: 16px;
  border: 1px solid rgba(17,24,39,0.10);
  background: #f8fafc;
  object-fit: contain;
}

.sequence-preview {
  max-height: 360px;
  overflow: auto;
}

@media (max-width: 980px) {
  .tools-shell {
    grid-template-columns: 1fr;
  }

  .tools-sidebar {
    position: static;
  }
}


/* V1.8 tools page UX polish */
.personal-tools {
  margin: 22px 0 28px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(17,24,39,0.08);
  box-shadow: 0 16px 38px rgba(17,24,39,0.06);
}

.personal-tools h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.personal-tools.active {
  display: block;
}

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

.personal-tool-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  text-decoration: none;
  background: rgba(79,70,229,0.08);
  color: #4338ca;
  font-weight: 800;
  border: 1px solid rgba(79,70,229,0.12);
}

.personal-tools-empty {
  color: #6b7280;
  margin: 8px 0 0;
}

.category-jump-card {
  margin: 0 0 28px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(17,24,39,0.08);
  box-shadow: 0 16px 38px rgba(17,24,39,0.06);
}

.category-jump-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.category-jump-head h2 {
  margin: 0;
  font-size: 24px;
}

.category-jump-sub {
  color: #6b7280;
  margin: 0;
}

.category-jump-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.category-jump-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 14px;
  text-decoration: none;
  color: #111827;
  background: rgba(248,250,252,0.96);
  border: 1px solid rgba(17,24,39,0.08);
  font-weight: 800;
}

.category-jump-link span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(79,70,229,0.08);
  color: #4338ca;
  font-size: 12px;
}

.category-jump-link:hover {
  border-color: rgba(79,70,229,0.22);
  color: #4338ca;
}

.tools-shell.v18 {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
}

.tools-sidebar.v18 {
  padding: 18px;
  gap: 10px;
}

.tools-sidebar.v18 .sidebar-link {
  min-height: 42px;
  border-radius: 12px;
  padding: 0 12px;
}

.sidebar-link.active {
  background: rgba(79,70,229,0.10);
  border-color: rgba(79,70,229,0.24);
  color: #4338ca;
}

.common-tools-note.v18 {
  margin: 0 0 16px;
}

.whats-new-banner.v18 {
  margin-bottom: 24px;
}

@media (max-width: 980px) {
  .tools-shell.v18 {
    grid-template-columns: 1fr;
  }
  .tools-sidebar.v18 {
    display: none;
  }
}


/* V1.9 adjustable search area + compact mode */
.tools-toolbar.v19 {
  transition: padding 0.18s ease, margin 0.18s ease, box-shadow 0.18s ease;
}

.tools-toolbar-title.v19 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.tools-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.toolbar-small-btn {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(17,24,39,0.12);
  background: rgba(255,255,255,0.92);
  color: #374151;
  font-weight: 800;
  cursor: pointer;
}

.toolbar-small-btn:hover {
  border-color: rgba(79,70,229,0.28);
  color: #4338ca;
}

.tools-toolbar.v19.is-collapsed {
  padding: 16px 18px;
  margin-bottom: 22px;
}

.tools-toolbar.v19.is-collapsed .keyword-row,
.tools-toolbar.v19.is-collapsed .tools-filter-row,
.tools-toolbar.v19.is-collapsed .tools-summary {
  display: none !important;
}

.tools-toolbar.v19.is-collapsed .tools-toolbar-title {
  margin-bottom: 0;
}

.tools-toolbar.v19.is-collapsed .tools-search-row {
  margin-top: 4px;
}

.tools-toolbar.v19.is-collapsed .tools-search.v10 {
  height: 44px !important;
  min-height: 44px !important;
}

.tools-toolbar.v19.is-collapsed .tools-search-row .button {
  height: 44px !important;
}

body.tools-density-compact .grid {
  gap: 14px;
}

body.tools-density-compact .card.tool-card {
  padding: 18px;
  border-radius: 18px;
}

body.tools-density-compact .card.tool-card h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

body.tools-density-compact .card.tool-card p {
  margin: 0 0 10px;
  line-height: 1.45;
}

body.tools-density-compact .favorite-tool-btn {
  min-height: 32px;
  margin-top: 8px;
}

body.tools-density-compact .whats-new-banner,
body.tools-density-compact .category-jump-card,
body.tools-density-compact .personal-tools {
  padding: 18px;
  border-radius: 20px;
}

body.tools-density-compact .whats-new-list {
  gap: 6px;
}

.search-mode-hint {
  color: #6b7280;
  font-size: 13px;
  margin-top: -4px;
}

@media (max-width: 760px) {
  .tools-toolbar-title.v19 {
    align-items: flex-start;
    flex-direction: column;
  }

  .tools-toolbar-actions {
    justify-content: flex-start;
  }
}


/* V2.0 stability + CSV + batch QR */
.result-card-list{display:grid;gap:16px}.result-card{border:1px solid rgba(17,24,39,.08);border-radius:18px;background:rgba(255,255,255,.86);padding:16px}.result-card h3{margin:0 0 10px}.result-card .tool-code,.result-card .tool-output{max-height:260px;overflow:auto}.batch-qr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}.batch-qr-card{padding:16px;border:1px solid rgba(17,24,39,.08);border-radius:18px;background:#fff;display:grid;gap:10px}.batch-qr-card canvas{width:100%;height:auto;max-width:220px;justify-self:center;border:1px solid rgba(17,24,39,.08);border-radius:14px;padding:10px;background:white}.dev-test-toolbar{display:flex;flex-wrap:wrap;gap:10px}.dev-test-filter{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.dev-test-pill{min-height:34px;padding:0 12px;border-radius:999px;border:1px solid rgba(17,24,39,.10);background:white;cursor:pointer;font-weight:800}.dev-test-pill.active{background:#111827;color:white}.test-detail-list{margin:0;padding-left:18px}.test-detail-list li{margin:4px 0}.v2-note{border:1px solid rgba(79,70,229,.16);background:rgba(79,70,229,.06);border-radius:18px;padding:14px 16px;color:#3730a3}.tool-checkbox{display:inline-flex;align-items:center;gap:6px}


/* V2.1 JiffyVault download release */
.software-grid {
  display: grid;
  gap: 24px;
  margin-top: 22px;
}

.software-card {
  position: relative;
  overflow: hidden;
}

.software-card::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(124,58,237,0.16), rgba(34,211,238,0.02) 62%, transparent 70%);
  pointer-events: none;
}

.download-app-head {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 16px;
}

.app-icon {
  width: 88px;
  height: 88px;
  object-fit: cover;
  border-radius: 22px;
  flex: 0 0 88px;
  box-shadow: 0 14px 34px rgba(17,24,39,0.12);
}

.app-title-group h2 {
  margin: 0 0 6px;
}

.app-subtitle {
  margin: 0;
  color: #6b7280;
}

.software-meta {
  display: grid;
  gap: 8px;
  margin: 18px 0;
}

.software-meta p {
  margin: 0;
}

.sha-code {
  word-break: break-all;
  white-space: normal;
}

.version-badge.history {
  background: rgba(17,24,39,0.06);
  color: #6b7280;
}

.release-note {
  border-radius: 18px;
  border: 1px solid rgba(79,70,229,0.16);
  background: rgba(79,70,229,0.06);
  padding: 14px 16px;
  color: #3730a3;
}

@media (max-width: 700px) {
  .download-app-head {
    align-items: flex-start;
  }
  .app-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    flex-basis: 72px;
  }
}


/* V2.2 user-facing polish */
.public-highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 26px;
}
.public-feature-card {
  padding: 26px;
  border-radius: 26px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(17,24,39,0.08);
  box-shadow: 0 18px 44px rgba(17,24,39,0.07);
}
.public-feature-card h2 { margin-top: 0; }
.public-feature-card p { color: #4b5563; }
.public-badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; }
.public-badge {
  display: inline-flex; align-items: center; min-height: 30px; padding: 0 11px;
  border-radius: 999px; font-size: 13px; font-weight: 800;
  background: rgba(79,70,229,0.10); color: #4338ca;
}
.public-badge.safe { background: rgba(16,185,129,0.10); color: #047857; }
.public-badge.warn { background: rgba(245,158,11,0.12); color: #92400e; }
.public-warning {
  border-radius: 20px; border: 1px solid rgba(245,158,11,0.22);
  background: rgba(245,158,11,0.08); padding: 16px 18px;
  color: #92400e; margin: 18px 0;
}
.public-info {
  border-radius: 20px; border: 1px solid rgba(79,70,229,0.16);
  background: rgba(79,70,229,0.06); padding: 16px 18px;
  color: #3730a3; margin: 18px 0;
}
.public-check-list { display: grid; gap: 10px; margin: 18px 0; padding: 0; list-style: none; }
.public-check-list li { padding-left: 30px; position: relative; color: #374151; }
.public-check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: #059669; font-weight: 900; }
.app-detail-hero { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 22px; align-items: center; }
.app-detail-hero .app-icon { width: 110px; height: 110px; border-radius: 28px; }
.faq-list { display: grid; gap: 16px; margin-top: 22px; }
.faq-item {
  padding: 22px; border-radius: 22px; background: rgba(255,255,255,0.9);
  border: 1px solid rgba(17,24,39,0.08);
}
.faq-item h2 { margin-top: 0; font-size: 22px; }
@media (max-width: 700px) { .app-detail-hero { grid-template-columns: 1fr; } }


/* V2.3 tools sidebar scroll fix */
.tools-layout,
.tools-shell,
.tools-shell.v18 {
  align-items: start;
}

.tools-sidebar,
.tools-sidebar.v18 {
  position: sticky;
  top: 74px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  z-index: 5;
}

.tools-sidebar::-webkit-scrollbar,
.tools-sidebar.v18::-webkit-scrollbar {
  width: 8px;
}

.tools-sidebar::-webkit-scrollbar-thumb,
.tools-sidebar.v18::-webkit-scrollbar-thumb {
  background: rgba(17,24,39,0.16);
  border-radius: 999px;
}

.tools-sidebar::-webkit-scrollbar-track,
.tools-sidebar.v18::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-top-actions {
  display: grid;
  gap: 8px;
  margin-bottom: 4px;
}

.sidebar-mini-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 800;
  color: #4338ca;
  background: rgba(79,70,229,0.08);
  border: 1px solid rgba(79,70,229,0.14);
}

.sidebar-mini-link:hover {
  border-color: rgba(79,70,229,0.28);
  background: rgba(79,70,229,0.12);
}

.tools-content {
  min-width: 0;
}

.tool-section,
.quick-tools,
.category-jump-card,
.tools-toolbar {
  scroll-margin-top: 92px;
}

@media (max-width: 980px) {
  .tools-sidebar,
  .tools-sidebar.v18 {
    position: static;
    max-height: none;
    overflow: visible;
  }
}


/* V2.4 independent tools pane */
body.tools-page-v24 {
  background: #f6f7fb;
}

.tools-shell.v24 {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
  height: calc(100dvh - 132px);
  min-height: 560px;
  max-height: 880px;
  overflow: hidden;
  margin-top: 24px;
}

.tools-sidebar.v24 {
  position: static !important;
  top: auto !important;
  height: 100%;
  max-height: none !important;
  overflow-y: auto !important;
  overscroll-behavior: contain;
  padding-bottom: 18px;
}

.tools-content.v24 {
  height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 10px;
  scroll-behavior: smooth;
}

.tools-content.v24::-webkit-scrollbar,
.tools-sidebar.v24::-webkit-scrollbar {
  width: 8px;
}

.tools-content.v24::-webkit-scrollbar-thumb,
.tools-sidebar.v24::-webkit-scrollbar-thumb {
  background: rgba(17,24,39,0.16);
  border-radius: 999px;
}

.tools-content.v24::-webkit-scrollbar-track,
.tools-sidebar.v24::-webkit-scrollbar-track {
  background: transparent;
}

.tools-pane-tip {
  margin: 14px 0 0;
  color: #6b7280;
  font-size: 14px;
}

.tools-content.v24 .tool-section,
.tools-content.v24 .quick-tools {
  scroll-margin-top: 14px;
}

@media (max-width: 980px) {
  .tools-shell.v24 {
    display: block;
    height: auto;
    min-height: 0;
    max-height: none;
    overflow: visible;
  }

  .tools-sidebar.v24 {
    display: none;
  }

  .tools-content.v24 {
    height: auto;
    overflow: visible;
    padding-right: 0;
  }
}


/* V2.5 dual-pane workspace mode for tools page */
@media (min-width: 981px) {
  body.tools-page-v25 {
    height: 100dvh;
    overflow: hidden;
    background: #f6f7fb;
  }

  body.tools-page-v25 .site-header {
    height: 64px;
    min-height: 64px;
  }

  body.tools-page-v25 footer {
    display: none;
  }

  body.tools-page-v25 main.container {
    height: calc(100dvh - 64px);
    max-width: 1480px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  body.tools-page-v25 main.container > .eyebrow,
  body.tools-page-v25 main.container > h1,
  body.tools-page-v25 main.container > .lead,
  body.tools-page-v25 main.container > .note,
  body.tools-page-v25 main.container > .whats-new-banner,
  body.tools-page-v25 main.container > .personal-tools,
  body.tools-page-v25 main.container > .category-jump-card,
  body.tools-page-v25 main.container > .tools-pane-tip {
    display: none !important;
  }

  body.tools-page-v25 .tools-toolbar {
    flex: 0 0 auto;
    margin-bottom: 16px;
    padding: 18px;
    border-radius: 22px;
  }

  body.tools-page-v25 .tools-toolbar.is-collapsed {
    padding: 14px 16px;
  }

  body.tools-page-v25 .tools-search-row {
    margin-top: 8px;
  }

  body.tools-page-v25 .tools-shell,
  body.tools-page-v25 .tools-shell.v18,
  body.tools-page-v25 .tools-shell.v24,
  body.tools-page-v25 .tools-shell.v25 {
    flex: 1 1 auto;
    min-height: 0;
    height: auto;
    max-height: none;
    overflow: hidden;
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 22px;
    align-items: stretch;
    margin-top: 0;
  }

  body.tools-page-v25 .tools-sidebar,
  body.tools-page-v25 .tools-sidebar.v18,
  body.tools-page-v25 .tools-sidebar.v24,
  body.tools-page-v25 .tools-sidebar.v25 {
    position: static !important;
    top: auto !important;
    height: 100%;
    max-height: none !important;
    min-height: 0;
    overflow-y: auto !important;
    overscroll-behavior: contain;
    padding: 18px;
    border-radius: 22px;
  }

  body.tools-page-v25 .tools-content,
  body.tools-page-v25 .tools-content.v24,
  body.tools-page-v25 .tools-content.v25 {
    height: 100%;
    min-height: 0;
    overflow-y: auto !important;
    overscroll-behavior: contain;
    padding-right: 18px;
    scroll-behavior: smooth;
  }

  body.tools-page-v25 .tools-content::-webkit-scrollbar {
    width: 15px;
  }

  body.tools-page-v25 .tools-content::-webkit-scrollbar-track {
    background: rgba(17,24,39,0.06);
    border-radius: 999px;
  }

  body.tools-page-v25 .tools-content::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(79,70,229,0.70), rgba(124,58,237,0.70));
    border-radius: 999px;
    border: 3px solid rgba(246,247,251,1);
  }

  body.tools-page-v25 .tools-sidebar::-webkit-scrollbar {
    width: 10px;
  }

  body.tools-page-v25 .tools-sidebar::-webkit-scrollbar-track {
    background: transparent;
  }

  body.tools-page-v25 .tools-sidebar::-webkit-scrollbar-thumb {
    background: rgba(17,24,39,0.18);
    border-radius: 999px;
  }

  body.tools-page-v25 .tools-content {
    scrollbar-width: auto;
    scrollbar-color: rgba(79,70,229,0.70) rgba(17,24,39,0.06);
  }

  body.tools-page-v25 .tools-sidebar {
    scrollbar-width: thin;
    scrollbar-color: rgba(17,24,39,0.18) transparent;
  }

  body.tools-page-v25 .quick-tools,
  body.tools-page-v25 .tool-section {
    scroll-margin-top: 8px;
  }

  body.tools-page-v25 .quick-tools:first-child {
    margin-top: 0;
  }

  .dual-pane-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 10px;
    padding: 6px 10px;
    border-radius: 999px;
    color: #4338ca;
    background: rgba(79,70,229,0.08);
    font-size: 13px;
    font-weight: 800;
  }
}

@media (max-width: 980px) {
  body.tools-page-v25 {
    overflow: auto;
  }
}


/* V2.6 hybrid scroll polish: normal page scroll + independent tool panes */
body.tools-page-v26 {
  min-height: 100dvh;
  overflow-y: auto;
  background:
    radial-gradient(circle at 16% 8%, rgba(124,58,237,0.08), transparent 26%),
    radial-gradient(circle at 86% 18%, rgba(34,211,238,0.08), transparent 24%),
    #f6f7fb;
}

body.tools-page-v26 .site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,0.88);
}

body.tools-page-v26 main.container {
  max-width: 1560px;
  width: min(1560px, calc(100% - 56px));
  padding-top: 42px;
  padding-bottom: 42px;
}

body.tools-page-v26 main.container > .eyebrow,
body.tools-page-v26 main.container > h1,
body.tools-page-v26 main.container > .lead,
body.tools-page-v26 main.container > .note {
  display: block !important;
}

body.tools-page-v26 main.container > .whats-new-banner {
  display: block !important;
  margin-bottom: 24px;
}

body.tools-page-v26 main.container > .personal-tools,
body.tools-page-v26 main.container > .category-jump-card {
  display: none !important;
}

body.tools-page-v26 .tools-toolbar {
  position: sticky;
  top: 76px;
  z-index: 20;
  margin: 20px auto 24px;
  padding: 22px;
  border-radius: 26px;
  max-width: 1200px;
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(124,58,237,0.14);
  box-shadow: 0 24px 70px rgba(17,24,39,0.10);
}

body.tools-page-v26 .tools-search-row {
  margin-top: 12px;
}

body.tools-page-v26 .tools-pane-tip {
  display: block;
  max-width: 1200px;
  margin: 0 auto 16px;
  color: #6b7280;
  font-size: 14px;
}

body.tools-page-v26 .tools-shell,
body.tools-page-v26 .tools-shell.v26 {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 26px;
  align-items: stretch;
  width: 100%;
  min-height: 720px;
  height: min(82dvh, 920px);
  max-height: 920px;
  margin: 0 auto 48px;
  overflow: visible;
}

body.tools-page-v26 .tools-sidebar,
body.tools-page-v26 .tools-sidebar.v26 {
  position: static !important;
  top: auto !important;
  height: 100%;
  min-height: 0;
  max-height: none !important;
  overflow-y: auto !important;
  overscroll-behavior: contain;
  padding: 20px;
  border-radius: 26px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(17,24,39,0.08);
  box-shadow: 0 22px 55px rgba(17,24,39,0.08);
}

body.tools-page-v26 .tools-content,
body.tools-page-v26 .tools-content.v26 {
  height: 100%;
  min-height: 0;
  overflow-y: auto !important;
  overscroll-behavior: contain;
  padding-right: 20px;
  scroll-behavior: smooth;
  border-radius: 26px;
}

body.tools-page-v26 .tools-content .grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

body.tools-page-v26 .tools-content .card.tool-card {
  border-radius: 24px;
  box-shadow: 0 18px 44px rgba(17,24,39,0.07);
}

body.tools-page-v26 .tools-content::-webkit-scrollbar {
  width: 16px;
}

body.tools-page-v26 .tools-content::-webkit-scrollbar-track {
  background: rgba(17,24,39,0.06);
  border-radius: 999px;
  margin: 8px 0;
}

body.tools-page-v26 .tools-content::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(79,70,229,0.72), rgba(124,58,237,0.72));
  border-radius: 999px;
  border: 3px solid #f6f7fb;
}

body.tools-page-v26 .tools-sidebar::-webkit-scrollbar {
  width: 10px;
}

body.tools-page-v26 .tools-sidebar::-webkit-scrollbar-thumb {
  background: rgba(17,24,39,0.20);
  border-radius: 999px;
}

body.tools-page-v26 .tools-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

body.tools-page-v26 .tools-content {
  scrollbar-width: auto;
  scrollbar-color: rgba(79,70,229,0.72) rgba(17,24,39,0.06);
}

body.tools-page-v26 .tools-sidebar {
  scrollbar-width: thin;
  scrollbar-color: rgba(17,24,39,0.20) transparent;
}

body.tools-page-v26 .quick-tools,
body.tools-page-v26 .tool-section {
  scroll-margin-top: 12px;
}

body.tools-page-v26 footer {
  display: block;
}

@media (max-width: 1180px) {
  body.tools-page-v26 main.container {
    width: min(100% - 32px, 1180px);
  }

  body.tools-page-v26 .tools-shell,
  body.tools-page-v26 .tools-shell.v26 {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

@media (max-width: 980px) {
  body.tools-page-v26 {
    overflow-y: auto;
  }

  body.tools-page-v26 main.container {
    width: min(100% - 24px, 760px);
    padding-top: 26px;
  }

  body.tools-page-v26 .tools-toolbar {
    position: static;
    max-width: none;
  }

  body.tools-page-v26 .tools-shell,
  body.tools-page-v26 .tools-shell.v26 {
    display: block;
    height: auto;
    min-height: 0;
    max-height: none;
    overflow: visible;
  }

  body.tools-page-v26 .tools-sidebar,
  body.tools-page-v26 .tools-sidebar.v26 {
    display: none;
  }

  body.tools-page-v26 .tools-content,
  body.tools-page-v26 .tools-content.v26 {
    height: auto;
    overflow: visible !important;
    padding-right: 0;
  }
}


/* V2.7 left category scrollbar enhancement */
@media (min-width: 981px) {
  body.tools-page-v27 .tools-shell,
  body.tools-page-v27 .tools-shell.v27 {
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 26px;
    align-items: stretch;
    width: 100%;
    min-height: 720px;
    height: min(82dvh, 920px);
    max-height: 920px;
    margin: 0 auto 48px;
    overflow: visible;
  }

  body.tools-page-v27 .tools-sidebar,
  body.tools-page-v27 .tools-sidebar.v27 {
    position: static !important;
    top: auto !important;
    height: 100%;
    max-height: 100%;
    min-height: 0;
    overflow-y: scroll !important;
    overflow-x: hidden !important;
    overscroll-behavior: contain;
    padding: 20px 16px 20px 20px;
    border-radius: 26px;
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(17,24,39,0.08);
    box-shadow: 0 22px 55px rgba(17,24,39,0.08);
    scrollbar-gutter: stable both-edges;
  }

  body.tools-page-v27 .tools-content,
  body.tools-page-v27 .tools-content.v27 {
    height: 100%;
    min-height: 0;
    overflow-y: auto !important;
    overscroll-behavior: contain;
    padding-right: 20px;
    scroll-behavior: smooth;
    border-radius: 26px;
  }

  body.tools-page-v27 .tools-sidebar::-webkit-scrollbar,
  body.tools-page-v27 .tools-sidebar.v27::-webkit-scrollbar {
    width: 14px;
  }

  body.tools-page-v27 .tools-sidebar::-webkit-scrollbar-track,
  body.tools-page-v27 .tools-sidebar.v27::-webkit-scrollbar-track {
    background: rgba(79,70,229,0.08);
    border-radius: 999px;
    margin: 12px 0;
  }

  body.tools-page-v27 .tools-sidebar::-webkit-scrollbar-thumb,
  body.tools-page-v27 .tools-sidebar.v27::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(79,70,229,0.72), rgba(124,58,237,0.72));
    border-radius: 999px;
    border: 3px solid rgba(255,255,255,0.94);
  }

  body.tools-page-v27 .tools-sidebar,
  body.tools-page-v27 .tools-sidebar.v27 {
    scrollbar-width: auto;
    scrollbar-color: rgba(79,70,229,0.72) rgba(79,70,229,0.08);
  }

  body.tools-page-v27 .sidebar-scroll-hint {
    display: block;
    margin: 8px 0 12px;
    padding: 8px 10px;
    border-radius: 12px;
    color: #6d28d9;
    background: rgba(124,58,237,0.08);
    font-size: 12px;
    font-weight: 800;
    text-align: center;
  }

  body.tools-page-v27 .tools-sidebar .sidebar-link,
  body.tools-page-v27 .tools-sidebar .sidebar-mini-link {
    margin-right: 4px;
  }
}

@media (max-width: 980px) {
  body.tools-page-v27 .tools-sidebar,
  body.tools-page-v27 .tools-sidebar.v27 {
    display: none;
  }

  body.tools-page-v27 .tools-content,
  body.tools-page-v27 .tools-content.v27 {
    height: auto;
    overflow: visible !important;
    padding-right: 0;
  }
}


/* V2.8 tool quality big iteration */
.result-warn {
  color: #92400e;
  font-weight: 800;
}
.tool-page-tips {
  display: grid;
  gap: 10px;
  border-radius: 18px;
  background: rgba(79,70,229,0.06);
  border: 1px solid rgba(79,70,229,0.14);
  padding: 14px 16px;
  color: #3730a3;
}
.tool-table-wrap {
  overflow: auto;
}


/* V2.9 navigation polish and dev redirect */
.home-section{margin-top:34px}.home-section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.home-section-head h2{margin:0;font-size:clamp(28px,4vw,46px)}.home-section-head p{margin:6px 0 0;color:#6b7280}.featured-tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.featured-tool-card{position:relative;display:grid;gap:14px;padding:22px;border-radius:24px;background:rgba(255,255,255,.94);border:1px solid rgba(17,24,39,.08);box-shadow:0 16px 42px rgba(17,24,39,.07);text-decoration:none;color:#111827;overflow:hidden}.featured-tool-card:after{content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:999px;background:radial-gradient(circle,rgba(79,70,229,.16),transparent 66%)}.featured-tool-card strong{font-size:20px;position:relative}.featured-tool-card span{color:#6b7280;position:relative}.featured-tool-card:hover{transform:translateY(-2px);border-color:rgba(79,70,229,.25);box-shadow:0 22px 56px rgba(17,24,39,.11)}.software-quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}.software-quick-card{display:grid;grid-template-columns:74px minmax(0,1fr);gap:18px;align-items:center;padding:24px;border-radius:26px;background:rgba(255,255,255,.94);border:1px solid rgba(17,24,39,.08);box-shadow:0 18px 48px rgba(17,24,39,.07)}.software-quick-card img{width:74px;height:74px;border-radius:20px;object-fit:cover}.software-quick-card h3{margin:0 0 6px}.software-quick-card p{margin:0 0 12px;color:#6b7280}.dev-redirect-card{max-width:760px;margin:70px auto;text-align:center}.dev-redirect-card .actions{justify-content:center}.dev-status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:0 12px;border-radius:999px;background:rgba(79,70,229,.10);color:#4338ca;font-weight:800;font-size:13px}@media(max-width:700px){.home-section-head{display:block}.software-quick-card{grid-template-columns:1fr}}


/* V3.0-V3.3 productized toolbox */
.tool-template-card{margin:22px 0;padding:20px;border-radius:22px;background:rgba(79,70,229,.06);border:1px solid rgba(79,70,229,.14)}.tool-template-card h2{margin-top:0}.stat-card{border-radius:18px;background:rgba(255,255,255,.88);border:1px solid rgba(17,24,39,.08);padding:16px}.stat-card strong{display:block;font-size:26px}.stat-card span{color:#6b7280}.homepage-local-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}.homepage-local-card{border-radius:24px;background:rgba(255,255,255,.94);border:1px solid rgba(17,24,39,.08);padding:22px;box-shadow:0 16px 42px rgba(17,24,39,.07)}.homepage-local-list{display:grid;gap:10px;margin-top:12px}.homepage-local-list a{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:14px;background:rgba(79,70,229,.07);color:#312e81;text-decoration:none;font-weight:800}.homepage-local-empty{color:#6b7280}.dev-test-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:22px;align-items:start}.dev-test-panel{position:sticky;top:92px}.test-result-ok{color:#047857;font-weight:800}.test-result-fail{color:#b91c1c;font-weight:800}.test-result-warn{color:#92400e;font-weight:800}.dev-check-row{display:grid;grid-template-columns:80px minmax(0,1fr);gap:8px;padding:10px 0;border-bottom:1px solid rgba(17,24,39,.08)}.dev-check-row code{word-break:break-all}.tool-table-wrap{overflow:auto}.tool-output pre{white-space:pre-wrap}@media(max-width:900px){.dev-test-layout{display:block}.dev-test-panel{position:static;margin-bottom:18px}}


/* V3.4 collapsible search and navigation polish */
.tools-toolbar.v34 {
  transition: padding .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.tools-toolbar.v34 .toolbar-actions {
  align-items: center;
}

.tools-toolbar.v34.is-search-collapsed {
  padding: 14px 18px !important;
}

.tools-toolbar.v34.is-search-collapsed .tools-search-row,
.tools-toolbar.v34.is-search-collapsed .tools-filter-panel,
.tools-toolbar.v34.is-search-collapsed .keyword-chips,
.tools-toolbar.v34.is-search-collapsed .tools-summary-row {
  display: none !important;
}

.tools-toolbar.v34.is-search-collapsed .toolbar-subtitle {
  display: inline-flex;
  margin-left: 8px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(79,70,229,0.08);
  color: #4338ca;
  font-size: 13px;
  font-weight: 800;
}

.tools-toolbar.v34 .collapse-search-button::before {
  content: "收起搜索栏";
}

.tools-toolbar.v34.is-search-collapsed .collapse-search-button::before {
  content: "展开搜索栏";
}

.tools-toolbar.v34.is-search-collapsed .toolbar-title-row {
  margin-bottom: 0;
}

.tools-toolbar.v34.is-search-collapsed h2 {
  margin-bottom: 0;
}

.tools-toolbar-mini-status {
  display: none;
  color: #6b7280;
  font-weight: 700;
  font-size: 14px;
}

.tools-toolbar.v34.is-search-collapsed .tools-toolbar-mini-status {
  display: inline-flex;
}

.floating-search-toggle {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(79,70,229,0.20);
  background: rgba(255,255,255,0.94);
  color: #4338ca;
  box-shadow: 0 18px 50px rgba(17,24,39,0.16);
  font-weight: 900;
  cursor: pointer;
  backdrop-filter: blur(14px);
}

body.search-bar-collapsed .floating-search-toggle {
  display: inline-flex;
}

.tool-card .tool-card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.tool-open-link {
  text-decoration: none;
}

.tool-mini-action {
  min-height: 38px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(79,70,229,0.14);
  background: rgba(79,70,229,0.07);
  color: #4338ca;
  font-weight: 800;
  cursor: pointer;
}

.tool-mini-action:hover {
  background: rgba(79,70,229,0.12);
}

.index-export-card {
  margin-top: 20px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(17,24,39,0.08);
  box-shadow: 0 16px 42px rgba(17,24,39,0.07);
}

.index-export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

@media (max-width: 720px) {
  .floating-search-toggle {
    right: 16px;
    bottom: 16px;
  }
  .tools-toolbar.v34.is-search-collapsed .toolbar-subtitle {
    display: none;
  }
}


/* V4.0 stable productized release */
.v40-hero {
  position: relative;
  overflow: hidden;
}
.v40-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 360px;
  height: 360px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(79,70,229,.16), transparent 68%);
}
.v40-section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(260px,1fr));
  gap: 20px;
}
.v40-card {
  border-radius: 26px;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(17,24,39,.08);
  box-shadow: 0 18px 48px rgba(17,24,39,.07);
  padding: 24px;
}
.v40-card h2,.v40-card h3 { margin-top:0; }
.v40-metric-grid {
  display:grid;
  grid-template-columns: repeat(auto-fit,minmax(160px,1fr));
  gap:14px;
  margin-top:20px;
}
.v40-metric {
  border-radius:20px;
  background: rgba(79,70,229,.07);
  padding:18px;
}
.v40-metric strong {
  display:block;
  font-size:30px;
}
.related-tools { margin-top: 28px; }
.related-tools-grid {
  display:grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap:14px;
}
.related-tool-link {
  display:grid;
  gap:6px;
  padding:16px;
  border-radius:18px;
  text-decoration:none;
  color:#111827;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(17,24,39,.08);
}
.related-tool-link strong { color:#111827; }
.related-tool-link span { color:#6b7280; font-size:14px; }
.tool-index-table-wrap {
  overflow:auto;
  border-radius:22px;
  border:1px solid rgba(17,24,39,.08);
  background:#fff;
}
.tool-index-table {
  width:100%;
  border-collapse:collapse;
}
.tool-index-table th,.tool-index-table td {
  padding:14px 16px;
  border-bottom:1px solid rgba(17,24,39,.08);
  text-align:left;
  vertical-align:top;
}
.tool-index-table th {
  background:rgba(79,70,229,.07);
}
.settings-danger {
  border-color:rgba(220,38,38,.18);
  background:rgba(254,242,242,.8);
}


/* V4.2-V4.6: SEO, PWA, mobile, product pages, workflows */
.mobile-nav-toggle{display:none;border:1px solid rgba(17,24,39,.12);background:#fff;border-radius:14px;min-width:42px;min-height:38px;font-weight:900}
.product-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:28px;align-items:center}
.product-icon-large{width:132px;height:132px;border-radius:30px;object-fit:cover;box-shadow:0 18px 50px rgba(17,24,39,.14)}
.product-feature-grid,.product-faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:22px}
.product-feature-card,.product-faq-card{padding:22px;border-radius:24px;background:rgba(255,255,255,.94);border:1px solid rgba(17,24,39,.08);box-shadow:0 16px 42px rgba(17,24,39,.07)}
.product-warning{border-color:rgba(245,158,11,.25);background:rgba(255,251,235,.8)}
.offline-card{max-width:760px;margin:80px auto;text-align:center}
.pwa-install-tip{display:none;margin-top:14px;padding:14px;border-radius:18px;background:rgba(79,70,229,.08);color:#4338ca;font-weight:800}
.tool-template-card{margin:22px 0;padding:20px;border-radius:22px;background:rgba(79,70,229,.06);border:1px solid rgba(79,70,229,.14)}
.related-tools{margin-top:28px}.related-tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.related-tool-link{display:grid;gap:6px;padding:16px;border-radius:18px;text-decoration:none;color:#111827;background:rgba(255,255,255,.92);border:1px solid rgba(17,24,39,.08)}.related-tool-link span{color:#6b7280;font-size:14px}
@media(max-width:860px){
  .site-header{position:sticky;top:0;z-index:80;display:flex;align-items:center;justify-content:space-between;gap:12px}
  .mobile-nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .site-header nav,.site-header .site-nav{display:none;position:absolute;left:16px;right:16px;top:64px;padding:14px;border-radius:20px;background:rgba(255,255,255,.98);box-shadow:0 20px 55px rgba(17,24,39,.16);border:1px solid rgba(17,24,39,.08);flex-direction:column;align-items:stretch}
  body.mobile-nav-open .site-header nav, body.mobile-nav-open .site-header .site-nav{display:flex}
  .site-header nav a,.site-header .site-nav a{padding:10px 12px;border-radius:12px}
  .product-hero{grid-template-columns:1fr}
  .tools-toolbar{top:66px!important}
  .tools-search-row{display:grid!important;grid-template-columns:1fr!important}
  .button{width:auto}
  .tool-layout{grid-template-columns:1fr!important}
  textarea.tool-textarea{min-height:220px!important}
}


/* V4.6.3 mobile-only search collapse */
.mobile-search-toggle{display:none}
@media(max-width:860px){
  .tools-toolbar.v463-mobile-search{padding:12px 14px!important;border-radius:18px!important}
  .tools-toolbar.v463-mobile-search .toolbar-title-row,
  .tools-toolbar.v463-mobile-search .tools-search-row,
  .tools-toolbar.v463-mobile-search .keyword-chips,
  .tools-toolbar.v463-mobile-search .tools-summary-row,
  .tools-toolbar.v463-mobile-search .tools-filter-panel{display:none!important}
  .tools-toolbar.v463-mobile-search .mobile-search-toggle{display:flex;width:100%;min-height:48px;align-items:center;justify-content:space-between;gap:12px;padding:0 14px;border:1px solid rgba(79,70,229,.16);border-radius:16px;background:rgba(79,70,229,.07);color:#111827;font-size:16px;font-weight:900;cursor:pointer}
  .tools-toolbar.v463-mobile-search .mobile-search-toggle small{color:#6b7280;font-size:12px;font-weight:800;white-space:nowrap}
  .tools-toolbar.v463-mobile-search.mobile-search-open .tools-search-row{display:grid!important;grid-template-columns:1fr!important;gap:10px!important;margin-top:12px}
  .tools-toolbar.v463-mobile-search.mobile-search-open .keyword-chips{display:flex!important;margin-top:12px;overflow-x:auto;padding-bottom:4px}
  .tools-toolbar.v463-mobile-search.mobile-search-open .tools-filter-panel.filter-visible{display:block!important;margin-top:12px}
  .tools-toolbar.v463-mobile-search.mobile-search-open .tools-summary-row{display:flex!important;margin-top:10px;flex-wrap:wrap;gap:8px}
  .tools-toolbar.v463-mobile-search.mobile-search-open #toolSearch,.tools-toolbar.v463-mobile-search.mobile-search-open .button{width:100%}
  .tools-toolbar.v463-mobile-search.mobile-search-open #collapseSearchButton::before{content:"收起搜索栏"}
  .tools-toolbar.v463-mobile-search:not(.mobile-search-open) #collapseSearchButton,
  .tools-toolbar.v463-mobile-search:not(.mobile-search-open) #toggleFilterButton,
  .tools-toolbar.v463-mobile-search:not(.mobile-search-open) #densityToggle,
  .tools-toolbar.v463-mobile-search:not(.mobile-search-open) #toolbarMiniStatus{display:none!important}
  body.search-bar-collapsed .floating-search-toggle{display:none!important}
}
@media(min-width:861px){.tools-toolbar.v463-mobile-search .mobile-search-toggle{display:none!important}}


/* V4.6.4 compact mobile navigation */
@media (max-width: 860px) {
  .site-header {
    min-height: 58px;
    padding: 10px 18px !important;
  }

  .site-header .brand {
    margin: 0 auto;
    transform: translateX(18px);
  }

  .mobile-nav-toggle {
    position: absolute;
    right: 14px;
    top: 10px;
    z-index: 102;
    width: 42px;
    height: 38px;
    min-width: 42px;
    min-height: 38px;
    border-radius: 14px;
    background: rgba(255,255,255,0.92);
    box-shadow: 0 8px 24px rgba(17,24,39,0.10);
  }

  .site-header nav,
  .site-header .site-nav {
    left: auto !important;
    right: 14px !important;
    top: 56px !important;
    width: min(210px, calc(100vw - 28px)) !important;
    max-height: calc(100vh - 90px);
    overflow: auto;
    padding: 8px !important;
    border-radius: 18px !important;
    background: rgba(255,255,255,0.96) !important;
    box-shadow: 0 16px 42px rgba(17,24,39,0.18) !important;
    border: 1px solid rgba(17,24,39,0.08) !important;
    backdrop-filter: blur(16px);
  }

  body.mobile-nav-open::before {
    content: none !important;
    display: none !important;
  }

  .site-header nav a,
  .site-header .site-nav a {
    display: block;
    width: 100%;
    padding: 10px 12px !important;
    border-radius: 12px;
    text-align: left !important;
    font-size: 15px !important;
    line-height: 1.2 !important;
    color: #374151;
  }

  .site-header nav a:hover,
  .site-header .site-nav a:hover {
    background: rgba(79,70,229,0.08);
    color: #4338ca;
  }

  body.mobile-nav-open .site-header {
    background: rgba(255,255,255,0.96);
    box-shadow: 0 10px 34px rgba(17,24,39,0.10);
  }

  .mobile-nav-hint {
    display: none !important;
  }
}


/* V4.6.5 mobile nav collapsed by default */
@media (max-width: 860px) {
  body:not(.mobile-nav-open) .site-header nav,
  body:not(.mobile-nav-open) .site-header .site-nav {
    display: none !important;
    pointer-events: none !important;
    opacity: 0 !important;
    transform: translateY(-6px) scale(.98) !important;
  }

  body.mobile-nav-open .site-header nav,
  body.mobile-nav-open .site-header .site-nav {
    display: flex !important;
    pointer-events: auto !important;
    opacity: 1 !important;
    transform: translateY(0) scale(1) !important;
  }

  .site-header nav,
  .site-header .site-nav {
    transition: opacity .14s ease, transform .14s ease;
  }

  .mobile-nav-toggle {
    font-size: 0 !important;
  }

  .mobile-nav-toggle::before {
    content: "☰";
    font-size: 20px;
    line-height: 1;
  }

  body.mobile-nav-open .mobile-nav-toggle::before {
    content: "×";
    font-size: 24px;
  }

  .site-header nav a,
  .site-header .site-nav a {
    white-space: nowrap;
  }
}


/* V4.7 quick find and navigation polish */
.quick-find-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.quick-find-box {
  padding: 22px;
  border-radius: 28px;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(79,70,229,.14);
  box-shadow: 0 18px 52px rgba(17,24,39,.08);
}
.quick-find-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  gap: 12px;
  align-items: center;
}
.quick-find-input {
  width: 100%;
  min-height: 54px;
  border-radius: 18px;
  border: 1px solid rgba(79,70,229,.22);
  padding: 0 18px;
  font-size: 17px;
  font-weight: 700;
  outline: none;
}
.quick-find-input:focus {
  border-color: rgba(79,70,229,.55);
  box-shadow: 0 0 0 4px rgba(79,70,229,.10);
}
.quick-find-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.quick-find-chip {
  border: 1px solid rgba(79,70,229,.16);
  background: rgba(79,70,229,.07);
  color: #4338ca;
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 900;
  cursor: pointer;
}
.quick-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 22px;
}
.quick-result-card {
  display: grid;
  gap: 10px;
  min-height: 170px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(17,24,39,.08);
  box-shadow: 0 16px 42px rgba(17,24,39,.07);
  text-decoration: none;
  color: #111827;
}
.quick-result-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 58px rgba(17,24,39,.10);
}
.quick-result-card strong {
  font-size: 20px;
}
.quick-result-card span {
  color: #6b7280;
}
.quick-result-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.quick-result-meta small {
  border-radius: 999px;
  padding: 5px 9px;
  color: #4338ca;
  background: rgba(79,70,229,.08);
  font-weight: 900;
}
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
  width: 46px;
  height: 46px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(79,70,229,.18);
  background: rgba(255,255,255,.94);
  color: #4338ca;
  box-shadow: 0 16px 42px rgba(17,24,39,.16);
  font-size: 20px;
  font-weight: 900;
  cursor: pointer;
}
.back-to-top.visible {
  display: flex;
}
.home-mini-search {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 12px;
}
@media (max-width: 860px) {
  .quick-find-row,
  .home-mini-search {
    grid-template-columns: 1fr;
  }
  .quick-find-input {
    min-height: 50px;
    font-size: 15px;
  }
  .back-to-top {
    right: 16px;
    bottom: 16px;
  }
  .site-header .site-nav a[href$="settings.html"] {
    display: none;
  }
}


/* V5.0 stable toolbox polish */
.v5-stable-badge {
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(16,185,129,.10);
  color:#047857;
  font-weight:900;
  font-size:13px;
}
.v5-tool-utility {
  margin: 18px 0 22px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(79,70,229,.14);
  box-shadow: 0 14px 40px rgba(17,24,39,.07);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:space-between;
}
.v5-tool-utility-left,
.v5-tool-utility-right {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.v5-tool-pill {
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(79,70,229,.07);
  color:#4338ca;
  font-size:13px;
  font-weight:900;
}
.v5-mini-btn {
  min-height:38px;
  padding:0 12px;
  border-radius:14px;
  border:1px solid rgba(79,70,229,.16);
  background:rgba(255,255,255,.92);
  color:#4338ca;
  font-weight:900;
  text-decoration:none;
  cursor:pointer;
}
.v5-mini-btn:hover {
  background:rgba(79,70,229,.08);
}
.v5-mini-btn.is-favorite {
  background:rgba(250,204,21,.16);
  color:#92400e;
  border-color:rgba(250,204,21,.36);
}
.v5-tool-note {
  margin: 14px 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(79,70,229,.06);
  color: #4b5563;
  border: 1px solid rgba(79,70,229,.10);
  font-size: 14px;
  line-height: 1.7;
}
.v5-site-status-grid {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap:16px;
  margin-top:20px;
}
.v5-status-card {
  padding:20px;
  border-radius:22px;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(17,24,39,.08);
  box-shadow:0 14px 38px rgba(17,24,39,.06);
}
.v5-status-card strong {
  display:block;
  font-size:28px;
  margin-bottom:6px;
}
.v5-status-card span {
  color:#6b7280;
}
.quick-result-card {
  position:relative;
}
.quick-fav-btn {
  position:absolute;
  right:14px;
  top:14px;
  min-width:36px;
  min-height:34px;
  border-radius:999px;
  border:1px solid rgba(79,70,229,.16);
  background:rgba(255,255,255,.90);
  color:#4338ca;
  cursor:pointer;
  font-weight:900;
}
.quick-fav-btn.is-favorite {
  background:rgba(250,204,21,.18);
  color:#92400e;
  border-color:rgba(250,204,21,.38);
}
.tool-index-actions {
  display:flex;
  gap:8px;
  align-items:center;
  flex-wrap:wrap;
}
.tool-index-actions .v5-mini-btn {
  min-height:32px;
  padding:0 10px;
  font-size:13px;
}
.v5-stable-checklist li {
  margin: 8px 0;
}
@media (max-width: 860px) {
  .v5-tool-utility {
    align-items:stretch;
  }
  .v5-tool-utility-left,
  .v5-tool-utility-right {
    width:100%;
  }
  .v5-mini-btn {
    flex:1 1 auto;
    justify-content:center;
    text-align:center;
  }
  .tool-index-table th:nth-child(3),
  .tool-index-table td:nth-child(3) {
    display:none;
  }
}


/* V5.0.1 unified tool action button sizing */
.v5-tool-utility {
  gap: 14px !important;
}

.v5-tool-utility-left {
  flex: 1 1 auto;
  min-width: 260px;
}

.v5-tool-utility-right {
  flex: 0 0 auto;
  display: grid !important;
  grid-template-columns: repeat(4, minmax(118px, 132px));
  gap: 10px !important;
  justify-content: end;
  align-items: center;
}

.v5-tool-utility-right .v5-mini-btn {
  width: 100%;
  min-width: 118px;
  min-height: 44px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  box-sizing: border-box;
  line-height: 1;
  text-align: center;
}

.v5-tool-utility-left .v5-tool-pill {
  min-height: 38px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

@media (max-width: 980px) {
  .v5-tool-utility {
    display: grid !important;
    grid-template-columns: 1fr;
  }

  .v5-tool-utility-left {
    min-width: 0;
  }

  .v5-tool-utility-right {
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
  }

  .v5-tool-utility-right .v5-mini-btn {
    min-width: 0;
  }
}

@media (max-width: 520px) {
  .v5-tool-utility {
    padding: 14px !important;
    border-radius: 18px !important;
  }

  .v5-tool-utility-left {
    display: flex !important;
    gap: 8px !important;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .v5-tool-utility-left .v5-tool-pill {
    flex: 0 0 auto;
    min-height: 34px;
    font-size: 12px;
  }

  .v5-tool-utility-right {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px !important;
  }

  .v5-tool-utility-right .v5-mini-btn {
    min-height: 42px;
    font-size: 14px;
  }
}


/* V5.5 CSV toolkit and final UI polish */
:root {
  --v55-action-width: 172px;
  --v55-action-height: 48px;
}

/* 强制工具页顶部四个操作按钮同宽同高：桌面端精确等宽 */
.v5-tool-utility-right {
  flex: 0 0 auto !important;
  display: grid !important;
  grid-template-columns: repeat(4, var(--v55-action-width)) !important;
  gap: 12px !important;
  justify-content: end !important;
  align-items: center !important;
}

.v5-tool-utility-right .v5-mini-btn {
  width: var(--v55-action-width) !important;
  min-width: var(--v55-action-width) !important;
  max-width: var(--v55-action-width) !important;
  height: var(--v55-action-height) !important;
  min-height: var(--v55-action-height) !important;
  max-height: var(--v55-action-height) !important;
  padding: 0 14px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  white-space: nowrap !important;
  box-sizing: border-box !important;
  line-height: 1 !important;
  text-align: center !important;
}

/* 工具页输入输出区统一 */
.tool-panel {
  border-radius: 26px !important;
}

.tool-label {
  display: block;
  margin: 14px 0 8px;
  font-weight: 900;
  color: #111827;
}

.tool-input,
.tool-textarea,
.tool-panel select {
  border-radius: 16px !important;
  border: 1px solid rgba(17,24,39,.12) !important;
  box-sizing: border-box !important;
}

.tool-code {
  border-radius: 18px !important;
  line-height: 1.65 !important;
}

.tool-row {
  gap: 10px !important;
  flex-wrap: wrap !important;
}

/* 工具分级标签 */
.tool-card-topline {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.tool-level-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  color: #4338ca;
  background: rgba(79,70,229,.08);
  border: 1px solid rgba(79,70,229,.14);
}

.level-recommended {
  color: #047857;
  background: rgba(16,185,129,.10);
  border-color: rgba(16,185,129,.20);
}

@media (max-width: 1180px) {
  .v5-tool-utility {
    display: grid !important;
    grid-template-columns: 1fr !important;
  }
  .v5-tool-utility-right {
    width: 100% !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    justify-content: stretch !important;
  }
  .v5-tool-utility-right .v5-mini-btn {
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
  }
}

@media (max-width: 560px) {
  .v5-tool-utility-right {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }
  .v5-tool-utility-right .v5-mini-btn {
    height: 44px !important;
    min-height: 44px !important;
    max-height: 44px !important;
    font-size: 14px !important;
  }
}


/* V6.0 productized stable */
.v6-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 34px;
  align-items: center;
  padding-top: 42px;
}
.v6-hero-panel {
  padding: 28px;
  border-radius: 32px;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(79,70,229,.12);
  box-shadow: 0 22px 64px rgba(17,24,39,.08);
}
.v6-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.v6-metric-grid {
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
  margin-top: 20px;
}
.v6-metric {
  padding: 18px;
  border-radius: 22px;
  background: rgba(79,70,229,.06);
  border: 1px solid rgba(79,70,229,.10);
}
.v6-metric strong {
  display:block;
  font-size: 34px;
  letter-spacing: -.04em;
}
.v6-metric span {
  color:#6b7280;
  font-weight: 800;
}
.v6-section {
  margin-top: 46px;
}
.v6-section-head {
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap: 18px;
  margin-bottom: 18px;
}
.v6-section-head p {
  max-width: 720px;
}
.v6-grid {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 18px;
}
.v6-card {
  display:grid;
  gap: 12px;
  padding: 24px;
  border-radius: 26px;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(17,24,39,.08);
  box-shadow: 0 16px 42px rgba(17,24,39,.06);
  text-decoration:none;
  color:#111827;
}
.v6-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 58px rgba(17,24,39,.10);
}
.v6-card strong {
  font-size: 22px;
}
.v6-card span {
  color:#6b7280;
  line-height: 1.65;
}
.v6-card-meta {
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.v6-chip {
  display:inline-flex;
  align-items:center;
  min-height: 26px;
  padding: 0 10px;
  border-radius:999px;
  color:#4338ca;
  background:rgba(79,70,229,.08);
  font-size: 12px;
  font-weight: 900;
}
.v6-workflow-step {
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.v6-step-no {
  width:30px;
  height:30px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:#4f46e5;
  flex: 0 0 30px;
  font-weight:900;
}
.v6-category-hero {
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:22px;
  align-items:center;
}
.v6-category-stat {
  min-width: 160px;
  padding: 20px;
  border-radius: 24px;
  background:rgba(79,70,229,.08);
  text-align:center;
}
.v6-category-stat strong {
  display:block;
  font-size:38px;
}
.v6-category-tools {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:18px;
  margin-top: 22px;
}
.v6-footer-note {
  margin-top: 34px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255,255,255,.68);
  border: 1px solid rgba(17,24,39,.08);
  color:#6b7280;
}
.v6-home-search {
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:12px;
  margin-top: 18px;
}
.v6-home-search input {
  min-height: 54px;
  border-radius:18px;
  border:1px solid rgba(79,70,229,.18);
  padding: 0 16px;
  font-size:16px;
  font-weight:800;
  outline:none;
}
.v6-home-search input:focus {
  border-color: rgba(79,70,229,.50);
  box-shadow: 0 0 0 4px rgba(79,70,229,.10);
}
.v6-tool-count-inline {
  font-weight: 900;
  color: #4338ca;
}
@media(max-width: 900px) {
  .v6-hero,
  .v6-category-hero {
    grid-template-columns:1fr;
  }
  .v6-section-head {
    display:block;
  }
  .v6-home-search {
    grid-template-columns:1fr;
  }
}
@media(max-width: 560px) {
  .v6-hero {
    padding-top: 18px;
  }
  .v6-hero-panel {
    padding: 20px;
    border-radius:24px;
  }
  .v6-metric-grid {
    grid-template-columns:1fr 1fr;
  }
  .v6-metric {
    padding: 14px;
  }
  .v6-metric strong {
    font-size: 28px;
  }
}


/* V6.1 personal tool desk */
.v61-dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .42fr);
  gap: 22px;
  align-items: start;
}
.v61-panel {
  padding: 24px;
  border-radius: 28px;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(17,24,39,.08);
  box-shadow: 0 16px 48px rgba(17,24,39,.07);
}
.v61-panel h2 {
  margin-top: 0;
}
.v61-tool-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.v61-tool-item {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,.95);
  border: 1px solid rgba(79,70,229,.12);
  text-decoration: none;
  color: #111827;
}
.v61-tool-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 42px rgba(17,24,39,.10);
}
.v61-tool-item strong {
  font-size: 18px;
}
.v61-tool-item span {
  color: #6b7280;
  line-height: 1.55;
}
.v61-tool-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.v61-tool-meta small {
  padding: 4px 8px;
  border-radius: 999px;
  color: #4338ca;
  background: rgba(79,70,229,.08);
  font-weight: 900;
}
.v61-empty {
  padding: 22px;
  border-radius: 20px;
  background: rgba(79,70,229,.06);
  border: 1px dashed rgba(79,70,229,.25);
  color: #4b5563;
}
.v61-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.v61-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}
.v61-stat {
  padding: 16px;
  border-radius: 18px;
  background: rgba(79,70,229,.06);
  border: 1px solid rgba(79,70,229,.10);
}
.v61-stat strong {
  display:block;
  font-size: 28px;
}
.v61-stat span {
  color:#6b7280;
  font-weight:800;
}
.v61-file-input {
  width: 100%;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(17,24,39,.12);
  background: #fff;
  box-sizing: border-box;
}
.tool-card {
  position: relative;
}
.tool-card-fav {
  position: absolute;
  right: 16px;
  top: 16px;
  z-index: 4;
  width: 36px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(79,70,229,.16);
  background: rgba(255,255,255,.92);
  color: #4338ca;
  font-weight: 900;
  cursor: pointer;
}
.tool-card-fav.is-favorite {
  background: rgba(250,204,21,.18);
  color: #92400e;
  border-color: rgba(250,204,21,.38);
}
.v61-category-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}
.v61-category-shortcuts a {
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(79,70,229,.14);
  color:#4338ca;
  font-weight:900;
  text-decoration:none;
}
@media (max-width: 900px) {
  .v61-dashboard-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  .v61-panel {
    padding: 18px;
    border-radius: 22px;
  }
  .v61-stat-grid {
    grid-template-columns: 1fr 1fr;
  }
  .tool-card-fav {
    right: 12px;
    top: 12px;
  }
}


/* V6.2 Excel Lite tools */
.tool-table-wrap {
  overflow: auto;
  border-radius: 18px;
  border: 1px solid rgba(17,24,39,.08);
  background: #fff;
  max-height: 520px;
}
.excel-warning {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,251,235,.88);
  border: 1px solid rgba(245,158,11,.25);
  color: #92400e;
  font-weight: 800;
}


/* V6.3 office efficiency pack */
.office-tip {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(79,70,229,.06);
  border: 1px solid rgba(79,70,229,.12);
  color: #4b5563;
  line-height: 1.65;
}
.tool-checkbox {
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 10px;
  border-radius:999px;
  background:rgba(79,70,229,.06);
  border:1px solid rgba(79,70,229,.10);
  font-weight:800;
  color:#374151;
}


/* V7.0 frontend stable + PDF Lite */
.pdf-lite-warning {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,251,235,.88);
  border: 1px solid rgba(245,158,11,.25);
  color: #92400e;
  font-weight: 800;
  line-height: 1.65;
}
.frontend-stable-note {
  padding: 18px;
  border-radius: 24px;
  background: rgba(16,185,129,.08);
  border: 1px solid rgba(16,185,129,.18);
  color: #047857;
  font-weight: 900;
}


/* V7.0.1 Excel/PDF featured priority */
.v701-feature-zone {
  margin: 28px 0 34px;
  padding: 26px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top left, rgba(99,102,241,.24), transparent 32%),
    radial-gradient(circle at top right, rgba(14,165,233,.22), transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,.96), rgba(239,246,255,.92));
  border: 1px solid rgba(79,70,229,.16);
  box-shadow: 0 24px 70px rgba(17,24,39,.10);
}

.v701-feature-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.v701-feature-head h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: -0.04em;
}

.v701-feature-head p {
  margin-bottom: 0;
  max-width: 780px;
}

.v701-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
  gap: 16px;
}

.v701-feature-card {
  position: relative;
  min-height: 168px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 20px;
  border-radius: 24px;
  color: #111827;
  text-decoration: none;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.75);
  box-shadow: 0 16px 42px rgba(17,24,39,.10);
  transition: transform .16s ease, box-shadow .16s ease;
}

.v701-feature-card::after {
  content: "";
  position: absolute;
  inset: auto -40px -50px auto;
  width: 140px;
  height: 140px;
  border-radius: 999px;
  background: rgba(255,255,255,.34);
}

.v701-feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 68px rgba(17,24,39,.16);
}

.v701-feature-card strong {
  position: relative;
  z-index: 1;
  font-size: 21px;
  line-height: 1.25;
}

.v701-feature-card span {
  position: relative;
  z-index: 1;
  line-height: 1.58;
}

.v701-excel {
  background: linear-gradient(135deg, rgba(220,252,231,.96), rgba(236,253,245,.90));
}

.v701-pdf {
  background: linear-gradient(135deg, rgba(254,226,226,.96), rgba(255,247,237,.92));
}

.v701-feature-top {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.v701-hot-badge,
.v701-type-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.v701-hot-badge {
  color: #fff;
  background: linear-gradient(135deg, #f97316, #ef4444);
}

.v701-type-badge {
  color: #3730a3;
  background: rgba(255,255,255,.74);
  border: 1px solid rgba(255,255,255,.8);
}

@media (max-width: 860px) {
  .v701-feature-zone {
    padding: 18px;
    border-radius: 24px;
  }

  .v701-feature-head {
    display: block;
  }

  .v701-feature-head .button {
    margin-top: 14px;
    width: 100%;
  }

  .v701-feature-grid {
    grid-template-columns: 1fr;
  }
}

/* V7.1 PDF frontend operations */
.pdf-op-note{padding:14px 16px;border-radius:18px;background:rgba(239,246,255,.92);border:1px solid rgba(59,130,246,.18);color:#1d4ed8;font-weight:800;line-height:1.65;}


/* V7.1.1 UI polish: calmer Excel/PDF featured zone */
.v701-feature-zone{
  margin:24px 0 30px!important;
  padding:22px!important;
  border-radius:26px!important;
  background:rgba(255,255,255,.94)!important;
  border:1px solid rgba(17,24,39,.08)!important;
  box-shadow:0 18px 52px rgba(17,24,39,.07)!important;
}
.v701-feature-head{align-items:center!important;margin-bottom:16px!important;}
.v701-feature-head h2{font-size:clamp(24px,2.4vw,32px)!important;letter-spacing:-.035em!important;}
.v701-feature-head p{color:#6b7280!important;}
.v701-feature-grid{grid-template-columns:repeat(auto-fit,minmax(245px,1fr))!important;gap:14px!important;}
.v701-feature-card{
  min-height:138px!important;
  padding:18px!important;
  border-radius:20px!important;
  background:#fff!important;
  border:1px solid rgba(79,70,229,.12)!important;
  box-shadow:0 12px 34px rgba(17,24,39,.06)!important;
}
.v701-feature-card::after{display:none!important;}
.v701-feature-card strong{font-size:19px!important;}
.v701-feature-card span{color:#6b7280!important;}
.v701-hot-badge{color:#4338ca!important;background:rgba(79,70,229,.08)!important;}
.v701-type-badge{color:#047857!important;background:rgba(16,185,129,.08)!important;border-color:rgba(16,185,129,.12)!important;}
.v711-backend-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:18px;}
.v711-roadmap-card{padding:20px;border-radius:22px;background:#fff;border:1px solid rgba(17,24,39,.08);box-shadow:0 12px 34px rgba(17,24,39,.06);}
.v711-roadmap-card strong{display:block;font-size:20px;margin-bottom:8px;}
.v711-roadmap-card p{color:#6b7280;line-height:1.65;}
.v711-priority{display:inline-flex;padding:5px 10px;border-radius:999px;background:rgba(79,70,229,.08);color:#4338ca;font-weight:900;font-size:12px;margin-bottom:10px;}
@media(max-width:680px){
  .v701-feature-zone{padding:16px!important;border-radius:22px!important;}
  .v701-feature-card{min-height:auto!important;}
}


/* V7.1.2 professional workbench UI */
.v701-feature-zone {
  display: none !important;
}

.v712-workbench-zone {
  margin: 26px 0 34px;
  padding: 26px;
  border-radius: 28px;
  background: #fff;
  border: 1px solid rgba(17, 24, 39, .08);
  box-shadow: 0 18px 54px rgba(17, 24, 39, .07);
}

.v712-workbench-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(17, 24, 39, .07);
  padding-bottom: 18px;
}

.v712-workbench-head h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: -0.04em;
}

.v712-workbench-head p {
  max-width: 760px;
  margin-bottom: 0;
  color: #6b7280;
  line-height: 1.7;
}

.v712-workbench-actions {
  display: flex;
  gap: 10px;
  flex: 0 0 auto;
}

.v712-workbench-layout {
  display: grid;
  grid-template-columns: minmax(360px, 1.05fr) minmax(360px, .95fr);
  gap: 18px;
  align-items: stretch;
}

.v712-primary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.v712-primary-card {
  display: flex;
  min-height: 210px;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  padding: 22px;
  border-radius: 22px;
  text-decoration: none;
  color: #111827;
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  border: 1px solid rgba(79, 70, 229, .13);
  box-shadow: 0 12px 34px rgba(17, 24, 39, .055);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.v712-primary-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 46px rgba(17, 24, 39, .09);
  border-color: rgba(79, 70, 229, .22);
}

.v712-primary-card strong {
  display: block;
  font-size: 23px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.v712-primary-card p {
  margin: 0;
  color: #6b7280;
  line-height: 1.7;
}

.v712-badge,
.v712-row-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  color: #4338ca;
  background: rgba(79, 70, 229, .08);
  font-size: 12px;
  font-weight: 900;
}

.v712-link {
  color: #111827;
  font-weight: 900;
}

.v712-quick-panel {
  padding: 18px;
  border-radius: 22px;
  background: #f8fafc;
  border: 1px solid rgba(17, 24, 39, .07);
}

.v712-panel-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.v712-panel-title strong {
  font-size: 20px;
}

.v712-panel-title span {
  color: #6b7280;
  font-weight: 700;
  font-size: 13px;
}

.v712-tool-list {
  display: grid;
  gap: 10px;
}

.v712-tool-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 16px;
  text-decoration: none;
  color: #111827;
  background: #fff;
  border: 1px solid rgba(17, 24, 39, .06);
  transition: border-color .16s ease, transform .16s ease;
}

.v712-tool-row:hover {
  border-color: rgba(79, 70, 229, .22);
  transform: translateX(2px);
}

.v712-row-main {
  display: grid;
  gap: 2px;
}

.v712-row-main strong {
  font-size: 15px;
}

.v712-row-main em {
  color: #6b7280;
  font-style: normal;
  font-size: 13px;
  line-height: 1.45;
}

.v712-row-arrow {
  color: #4f46e5;
  font-weight: 900;
}

@media (max-width: 980px) {
  .v712-workbench-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .v712-workbench-actions {
    width: 100%;
  }

  .v712-workbench-actions .button {
    flex: 1;
  }

  .v712-workbench-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .v712-workbench-zone {
    padding: 16px;
    border-radius: 22px;
  }

  .v712-primary-grid {
    grid-template-columns: 1fr;
  }

  .v712-primary-card {
    min-height: auto;
  }

  .v712-workbench-actions {
    flex-direction: column;
  }

  .v712-tool-row {
    grid-template-columns: 1fr auto;
  }

  .v712-row-tag {
    grid-column: 1 / -1;
  }
}


/* V7.1.3 Owner analytics dashboard */
.v713-private-warning {
  margin: 18px 0;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 251, 235, .92);
  border: 1px solid rgba(245, 158, 11, .24);
  color: #92400e;
  line-height: 1.7;
}

.v713-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.v713-metric-card,
.v713-panel {
  background: #fff;
  border: 1px solid rgba(17, 24, 39, .08);
  box-shadow: 0 14px 38px rgba(17, 24, 39, .06);
}

.v713-metric-card {
  padding: 20px;
  border-radius: 22px;
}

.v713-metric-card span {
  display: block;
  color: #6b7280;
  font-weight: 800;
  margin-bottom: 8px;
}

.v713-metric-card strong {
  display: block;
  font-size: 34px;
  letter-spacing: -0.04em;
}

.v713-metric-card em {
  display: block;
  margin-top: 8px;
  color: #047857;
  font-style: normal;
  font-weight: 800;
}

.v713-panel {
  margin: 20px 0;
  padding: 22px;
  border-radius: 24px;
}

.v713-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 14px;
}

.v713-panel-head h2 {
  margin-top: 0;
}

.v713-panel-head p {
  color: #6b7280;
  margin-bottom: 0;
  line-height: 1.65;
}

.v713-mini-note {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(79, 70, 229, .08);
  color: #4338ca;
  font-weight: 900;
  white-space: nowrap;
}

.v713-chart {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.v713-bar-row {
  display: grid;
  grid-template-columns: minmax(120px, 220px) 1fr auto;
  align-items: center;
  gap: 12px;
}

.v713-bar-label {
  color: #374151;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.v713-bar-track {
  height: 12px;
  border-radius: 999px;
  background: rgba(79, 70, 229, .08);
  overflow: hidden;
}

.v713-bar-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #4f46e5, #06b6d4);
}

.v713-bar-row strong {
  color: #111827;
}

@media (max-width: 760px) {
  .v713-panel-head {
    display: block;
  }
  .v713-bar-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* V7.2 office data tools */
.v72-result-list{display:grid;gap:14px}.v72-result-card{padding:16px;border-radius:18px;background:#f8fafc;border:1px solid rgba(17,24,39,.08)}.v72-result-card h3{margin:0 0 10px}.v72-result-card h3 span{color:#6b7280;font-size:13px}.v72-result-card pre{max-height:220px;overflow:auto;background:#fff;border-radius:14px;padding:12px;border:1px solid rgba(17,24,39,.06);white-space:pre-wrap}
.v72-office-data-section{margin:26px 0 34px;padding:24px;border-radius:26px;background:#fff;border:1px solid rgba(17,24,39,.08);box-shadow:0 16px 48px rgba(17,24,39,.06)}.v72-office-data-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:14px}.v72-office-data-card{display:grid;gap:8px;padding:18px;border-radius:18px;text-decoration:none;color:#111827;background:#f8fafc;border:1px solid rgba(17,24,39,.07)}.v72-office-data-card span{width:fit-content;padding:4px 9px;border-radius:999px;color:#4338ca;background:rgba(79,70,229,.08);font-size:12px;font-weight:900}.v72-office-data-card strong{font-size:18px}.v72-office-data-card em{color:#6b7280;font-style:normal;line-height:1.55}


/* V7.2.1 PDF file queue and automated test helpers */
.v721-file-queue{display:grid;gap:8px;margin-top:12px}.v721-file-row{display:grid;grid-template-columns:auto 1fr auto auto auto auto;align-items:center;gap:8px;padding:10px;border-radius:14px;background:#f8fafc;border:1px solid rgba(17,24,39,.08)}.v721-file-index{width:26px;height:26px;display:inline-grid;place-items:center;border-radius:999px;background:rgba(79,70,229,.08);color:#4338ca;font-weight:900}.v721-file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:800}.v721-file-size{color:#6b7280;font-size:13px;white-space:nowrap}.v721-mini-btn{border:1px solid rgba(17,24,39,.10);background:#fff;color:#374151;border-radius:10px;padding:6px 8px;font-weight:800;cursor:pointer}.v721-mini-btn.danger{color:#b91c1c}.v721-test-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:18px 0}.v721-test-card{padding:16px;border-radius:18px;background:#fff;border:1px solid rgba(17,24,39,.08);box-shadow:0 12px 30px rgba(17,24,39,.05)}.v721-test-card strong{display:block;font-size:28px}.v721-test-table{width:100%;border-collapse:collapse;margin-top:14px;background:#fff;border-radius:18px;overflow:hidden}.v721-test-table th,.v721-test-table td{padding:10px 12px;border-bottom:1px solid rgba(17,24,39,.07);text-align:left;vertical-align:top}.v721-ok{color:#047857;font-weight:900}.v721-fail{color:#b91c1c;font-weight:900}@media(max-width:760px){.v721-file-row{grid-template-columns:auto 1fr}.v721-file-size,.v721-mini-btn{grid-column:2}}

/* V7.3 UX Stability */
.v73-task-hub,.v73-toolbox{margin:26px 0 34px;padding:24px;border-radius:28px;background:#fff;border:1px solid rgba(17,24,39,.08);box-shadow:0 18px 54px rgba(17,24,39,.065)}.v73-section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid rgba(17,24,39,.07)}.v73-section-head h2{margin:0;font-size:clamp(24px,2.7vw,36px);letter-spacing:-.035em}.v73-section-head p{color:#6b7280;line-height:1.7;margin-bottom:0;max-width:820px}.v73-task-grid,.v73-tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}.v73-task-card,.v73-task-tool{display:grid;gap:10px;text-decoration:none;color:#111827;background:#f8fafc;border:1px solid rgba(17,24,39,.075);transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.v73-task-card{padding:20px;border-radius:22px;min-height:150px}.v73-task-tool{padding:18px;border-radius:20px}.v73-task-card:hover,.v73-task-tool:hover{transform:translateY(-2px);border-color:rgba(79,70,229,.24);box-shadow:0 16px 38px rgba(17,24,39,.07)}.v73-task-card span,.v73-task-badge{width:fit-content;display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:999px;color:#4338ca;background:rgba(79,70,229,.08);font-size:12px;font-weight:900}.v73-task-card strong,.v73-task-tool strong{font-size:20px;letter-spacing:-.02em}.v73-task-card em,.v73-task-tool em{color:#6b7280;font-style:normal;line-height:1.58}.v73-task-tool b{color:#047857;font-size:13px}.v73-note{margin:0 0 16px;padding:12px 14px;border-radius:16px;background:rgba(245,158,11,.08);color:#92400e;font-weight:800;line-height:1.65}@media(max-width:720px){.v73-task-hub,.v73-toolbox{padding:16px;border-radius:22px}.v73-section-head{display:block}.v73-section-head .button{margin-top:12px;width:100%}}


/* V7.4 Table Merge Workbench */
.v74-big-textarea{min-height:320px;}
.v74-option-row{display:flex;flex-wrap:wrap;gap:12px 18px;margin:12px 0;color:#374151;font-weight:800;}
.v74-preview-box{display:grid;gap:10px;margin-bottom:14px;}
.v74-preview-card{padding:12px 14px;border-radius:16px;background:#f8fafc;border:1px solid rgba(17,24,39,.08);}
.v74-preview-card h3{margin:0 0 6px;font-size:16px;}
.v74-preview-card h3 span{color:#6b7280;font-size:13px;}
.v74-preview-card p{margin:0;color:#6b7280;line-height:1.55;}
.v74-merge-feature{margin:24px 0 30px;padding:24px;border-radius:28px;background:#fff;border:1px solid rgba(79,70,229,.14);box-shadow:0 18px 54px rgba(17,24,39,.065);}
.v74-highlight-tool{border-color:rgba(79,70,229,.24)!important;background:#fff!important;}


/* V7.4.1 multi-file queue UX hotfix */
.v741-file-queue {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.v741-file-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto auto;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid rgba(17, 24, 39, .08);
}

.v741-file-index {
  width: 26px;
  height: 26px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(79, 70, 229, .08);
  color: #4338ca;
  font-weight: 900;
}

.v741-file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 800;
}

.v741-file-size {
  color: #6b7280;
  font-size: 13px;
  white-space: nowrap;
}

.v741-mini-btn {
  border: 1px solid rgba(17, 24, 39, .10);
  background: #fff;
  color: #374151;
  border-radius: 10px;
  padding: 6px 8px;
  font-weight: 800;
  cursor: pointer;
}

.v741-mini-btn.danger {
  color: #b91c1c;
}

@media (max-width: 760px) {
  .v741-file-row {
    grid-template-columns: auto 1fr;
  }
  .v741-file-size,
  .v741-mini-btn {
    grid-column: 2;
  }
}


/* V7.4.4 Lite search toolbar + on-demand expansion */
.tools-toolbar.v744-lite-search {
  padding: 12px 16px !important;
  border-radius: 24px !important;
  margin: 20px 0 24px !important;
  box-shadow: 0 12px 34px rgba(17,24,39,.055) !important;
  transition: padding .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.v744-search-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.v744-search-strip-main {
  min-height: 48px;
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(79,70,229,.16);
  background: rgba(79,70,229,.055);
  color: #111827;
  border-radius: 18px;
  padding: 0 16px;
  cursor: pointer;
  text-align: left;
}

.v744-search-strip-main:hover {
  border-color: rgba(79,70,229,.28);
  background: rgba(79,70,229,.085);
}

.v744-search-icon {
  font-size: 18px;
}

.v744-search-title {
  font-size: 16px;
  font-weight: 900;
}

.v744-search-strip-main small {
  margin-left: auto;
  color: #6b7280;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.v744-search-strip-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.v744-search-panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(17,24,39,.07);
}

.tools-toolbar.v744-lite-search.is-collapsed .v744-search-panel {
  display: none !important;
}

.tools-toolbar.v744-lite-search.is-open {
  padding: 18px 20px !important;
  box-shadow: 0 18px 50px rgba(17,24,39,.075) !important;
}

.tools-toolbar.v744-lite-search.is-open .v744-search-panel {
  display: block !important;
}

.tools-toolbar.v744-lite-search.is-open .tools-toolbar-title {
  display: flex !important;
}

.tools-toolbar.v744-lite-search.is-open .tools-search-row {
  display: flex !important;
}

.tools-toolbar.v744-lite-search.is-open .keyword-row,
.tools-toolbar.v744-lite-search.is-open .tools-filter-row,
.tools-toolbar.v744-lite-search.is-open .tools-summary {
  display: flex !important;
}

.tools-toolbar.v744-lite-search.is-collapsed .tools-toolbar-title,
.tools-toolbar.v744-lite-search.is-collapsed .tools-search-row,
.tools-toolbar.v744-lite-search.is-collapsed .keyword-row,
.tools-toolbar.v744-lite-search.is-collapsed .tools-filter-row,
.tools-toolbar.v744-lite-search.is-collapsed .tools-summary {
  display: none !important;
}

@media (max-width: 860px) {
  .tools-toolbar.v744-lite-search {
    padding: 10px 12px !important;
    border-radius: 18px !important;
    margin: 14px 0 18px !important;
  }

  .v744-search-strip {
    display: grid;
    gap: 10px;
  }

  .v744-search-strip-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .v744-search-strip-actions .toolbar-small-btn {
    width: 100%;
  }

  .v744-search-strip-main {
    width: 100%;
    min-height: 46px;
  }

  .v744-search-strip-main small {
    max-width: 42vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .tools-toolbar.v744-lite-search.is-open .tools-search-row {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .tools-toolbar.v744-lite-search.is-open .keyword-row,
  .tools-toolbar.v744-lite-search.is-open .tools-filter-row {
    max-height: 180px;
    overflow: auto;
    padding-bottom: 4px;
  }
}


/* V7.4.5 table file upload UX */
.v745-table-upload-card {
  padding: 16px;
  border: 1px dashed rgba(79, 70, 229, .28);
  border-radius: 18px;
  background: rgba(79, 70, 229, .045);
  margin: 0 0 16px;
}

.v745-file-info {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(17, 24, 39, .08);
  color: #4b5563;
  font-weight: 800;
}

.v745-paste-fallback {
  margin: 14px 0 18px;
  border-radius: 16px;
}

.v745-paste-fallback summary {
  cursor: pointer;
  font-weight: 900;
  color: #4338ca;
  margin-bottom: 10px;
}

.v745-paste-fallback[open] {
  padding: 0;
}


/* V7.4.6 table upload everywhere */
.v746-table-upload-card {
  padding: 16px;
  border: 1px dashed rgba(79,70,229,.30);
  border-radius: 18px;
  background: rgba(79,70,229,.045);
  margin: 0 0 14px;
}

.v746-table-upload-card .v61-file-input {
  width: 100%;
}

.v746-table-upload-card + .v745-paste-fallback {
  margin-top: 8px;
}


/* V8.0 Office format suite */
.v80-office-format-feature {
  margin: 24px 0 30px;
  padding: 24px;
  border-radius: 28px;
  background: #fff;
  border: 1px solid rgba(79,70,229,.14);
  box-shadow: 0 18px 54px rgba(17,24,39,.065);
}

.v80-result-list {
  display: grid;
  gap: 10px;
}

.v80-result-item,
.v746-file-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid rgba(17,24,39,.08);
}

.v80-result-item strong,
.v746-file-item strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.v80-result-item span,
.v746-file-item em {
  color: #6b7280;
  font-style: normal;
  font-size: 13px;
}

.v80-print-preview {
  min-height: 240px;
  padding: 24px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(17,24,39,.10);
}

.v80-print-body {
  white-space: normal;
  line-height: 1.8;
  color: #111827;
}

.v746-file-list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

@media print {
  body * { visibility: hidden !important; }
  #preview, #preview * { visibility: visible !important; }
  #preview {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    border: 0 !important;
    box-shadow: none !important;
  }
}

@media (max-width: 720px) {
  .v80-result-item,
  .v746-file-item {
    grid-template-columns: auto 1fr;
  }
  .v80-result-item span,
  .v80-result-item a,
  .v746-file-item em,
  .v746-file-item button {
    grid-column: 2;
  }
}


/* V8.0.1 critical UX fix: visible removable upload list */
.v746-file-list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}
.v746-file-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid rgba(17,24,39,.08);
}
.v746-file-item strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.v746-file-item em {
  color: #6b7280;
  font-style: normal;
  font-size: 13px;
}
@media (max-width: 720px) {
  .v746-file-item {
    grid-template-columns: auto 1fr;
  }
  .v746-file-item em,
  .v746-file-item button {
    grid-column: 2;
  }
}