/* ==========================================================================
   Luna Air 官网 - iOS 拟态玻璃设计系统 (Apple Liquid Frosted Glass 3.3)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@500;700;800&display=swap');

/* --- 全局 Design Tokens (Dark Titanium 钛黑晶玻) --- */
:root {
  --bg: #07080c;
  --bg-soft: #0b0d14;
  --bg-elevated: #11141f;

  /* iOS 拟态玻璃核心材质 */
  --glass-bg: rgba(255, 255, 255, 0.035);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --glass-shine: rgba(255, 255, 255, 0.12);
  --glass-blur: blur(24px) saturate(190%);

  /* 内嵌槽位微材质 (Slot Surface) */
  --slot-bg: rgba(0, 0, 0, 0.28);
  --slot-border: rgba(255, 255, 255, 0.06);
  --slot-chip-bg: rgba(255, 255, 255, 0.06);
  --slot-fader-track: rgba(255, 255, 255, 0.1);

  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-faint: #64748b;

  --purple: #8c52ff;
  --purple-light: #a87ffb;
  --pink: #f43f8e;
  --cyan: #38bdf8;
  --emerald: #10b981;
  --qq-blue: #12b7f5;

  --purple-glow: rgba(140, 82, 255, 0.28);
  --pink-glow: rgba(244, 63, 142, 0.18);
  --cyan-glow: rgba(56, 189, 248, 0.18);

  --gradient-primary: linear-gradient(135deg, #8c52ff 0%, #d946ef 50%, #f43f8e 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);

  --shadow-glass: inset 0 1px 0 var(--glass-shine), 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-glass-hover: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 24px var(--purple-glow);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --header-height: 72px;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Segoe UI', Roboto, 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, Menlo, monospace;

  color-scheme: dark;
}

/* ========================================================================== */
/* Luna Air creator console                                                   */
/* ========================================================================== */

.account-console-layout {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.account-console-layout [hidden] {
  display: none !important;
}

.account-console-workspace,
.account-content-grid {
  min-width: 0;
}

.account-content-grid {
  grid-template-columns: minmax(0, 1fr);
}

.account-content-grid > *,
.account-section-card {
  min-width: 0;
  max-width: 100%;
}

.account-console-sidebar {
  position: sticky;
  top: 92px;
  min-height: calc(100vh - 120px);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  z-index: 12;
}

.console-sidebar-title {
  padding: 8px 10px 20px;
  display: grid;
  gap: 5px;
}

.console-sidebar-title span {
  color: var(--muted, #8d92a4);
  font-size: 10px;
  letter-spacing: .16em;
}

.console-sidebar-title strong {
  font-size: 20px;
  letter-spacing: -.03em;
}

.console-nav-list {
  display: grid;
  gap: 6px;
}

.console-nav-item {
  width: 100%;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 13px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--muted, #a8acba);
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: .2s ease;
}

.console-nav-item:hover {
  color: var(--text, #fff);
  background: rgba(255,255,255,.045);
}

.account-console-layout button:focus-visible,
.account-console-layout select:focus-visible,
.account-console-layout input:focus-visible,
.account-console-layout summary:focus-visible {
  outline: 2px solid #8b5cf6;
  outline-offset: 2px;
}

.console-nav-item.is-active {
  color: #fff;
  border-color: rgba(148,91,255,.42);
  background: linear-gradient(135deg, rgba(121,67,255,.28), rgba(255,55,137,.12));
  box-shadow: inset 0 1px rgba(255,255,255,.08), 0 12px 30px rgba(76,39,153,.15);
}

.console-nav-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255,255,255,.07);
  font-size: 14px;
}

.console-nav-item i {
  margin-left: auto;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  background: #ff3b82;
  font-size: 10px;
  font-style: normal;
}

.console-sidebar-foot {
  margin-top: auto;
  padding: 15px 10px 5px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  gap: 10px;
}

.console-sidebar-foot div {
  display: grid;
  gap: 3px;
}

.console-sidebar-foot strong { font-size: 12px; }
.console-sidebar-foot small { color: var(--muted, #8d92a4); font-size: 10px; }
.console-service-dot { width: 9px; height: 9px; border-radius: 50%; background: #36d890; box-shadow: 0 0 14px #36d890; }

.console-panel:not(.is-active) {
  display: none !important;
}

.console-section-heading {
  align-items: flex-start;
}

.console-section-heading .section-title-wrap p {
  margin: 7px 0 0;
  color: var(--muted, #9ba0b0);
  font-size: 13px;
}

.console-cover-form {
  display: grid;
  gap: 14px;
}

.console-step-card {
  position: relative;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  background: rgba(255,255,255,.025);
}

.console-step-number {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: #cdbaff;
  background: linear-gradient(145deg, rgba(128,76,255,.25), rgba(255,56,139,.12));
  border: 1px solid rgba(159,112,255,.25);
  font-size: 12px;
  font-weight: 800;
}

.console-step-content h3,
.console-store-block h3 {
  margin: 2px 0 15px;
  font-size: 16px;
}

.console-source-switch,
.console-pitch-options {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 15px;
}

.console-source-switch button,
.console-pitch-options span {
  min-height: 38px;
  padding: 0 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 11px;
  color: var(--muted, #afb3c2);
  background: rgba(255,255,255,.035);
  cursor: pointer;
}

.console-source-switch button.is-active,
.console-pitch-options input:checked + span {
  color: #fff;
  border-color: rgba(150,95,255,.55);
  background: rgba(126,71,255,.22);
}

.console-pitch-options label { position: relative; }
.console-pitch-options input { position: absolute; opacity: 0; pointer-events: none; }

.console-field-stack,
.console-upload-grid label {
  display: grid;
  gap: 8px;
  color: var(--muted, #aeb2c0);
  font-size: 12px;
}

.console-field-stack select,
.console-field-stack input,
.console-upload-grid input,
.console-task-tools select {
  width: 100%;
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 11px;
  color: var(--text, #f7f7fb);
  background: rgba(8,9,15,.62);
  outline: none;
}

.console-field-stack small { color: var(--muted, #8d92a4); }

.console-check-row {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text, #f7f7fb);
  cursor: pointer;
}

.console-advanced-settings {
  margin-top: 16px;
  padding: 13px 15px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 13px;
  background: rgba(0,0,0,.1);
}

.console-advanced-settings summary { cursor: pointer; color: #c6b3ff; }

.console-range-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
}

.console-range-grid label { display: grid; grid-template-columns: 1fr auto; gap: 8px; color: var(--muted, #b4b7c4); font-size: 12px; }
.console-range-grid input { grid-column: 1 / -1; width: 100%; accent-color: #8f5cff; }
.console-range-grid output { color: #fff; }

.console-submit-bar,
.console-upload-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  border-radius: 17px;
  background: linear-gradient(110deg, rgba(118,68,255,.15), rgba(255,61,142,.08));
  border: 1px solid rgba(151,99,255,.2);
}

.console-operation-state {
  min-width: 0;
  flex: 1;
  display: grid;
  gap: 5px;
}

.console-operation-state strong { font-size: 13px; }
.console-operation-state span { color: var(--muted, #9ca1b1); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.console-progress-track {
  width: 100%;
  height: 5px;
  margin-top: 5px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  overflow: hidden;
}

.console-progress-track i {
  height: 100%;
  display: block;
  border-radius: inherit;
  background: linear-gradient(90deg, #7958ff, #ff3b89);
  transition: width .25s ease;
}

.console-create-button { min-width: 150px; }

.console-upload-panel {
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid rgba(151,99,255,.24);
  border-radius: 17px;
  background: rgba(113,61,226,.08);
}

.console-upload-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.console-upload-grid input[type="file"] { padding: 9px 11px; }

.console-model-grid,
.console-product-grid,
.console-slot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.console-model-card,
.console-product-card,
.console-slot-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(255,255,255,.085);
  border-radius: 16px;
  background: rgba(255,255,255,.028);
}

.console-model-cover {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  object-fit: cover;
  background: linear-gradient(145deg, #714dff, #ff478f);
}

.console-model-head { display: flex; align-items: center; gap: 12px; }
.console-model-head div { min-width: 0; display: grid; gap: 5px; }
.console-model-head strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.console-model-head small,
.console-product-card p,
.console-slot-card small { color: var(--muted, #969bab); }

.console-model-actions,
.console-product-actions,
.console-task-actions {
  margin-top: 15px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.console-mini-button {
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 9px;
  color: var(--text, #f7f7fb);
  background: rgba(255,255,255,.045);
  cursor: pointer;
}

.console-mini-button.is-danger { color: #ff9dbf; border-color: rgba(255,75,132,.25); }

.console-task-tools { display: flex; gap: 8px; }
.console-task-tools select { width: 130px; }

.console-task-list { display: grid; gap: 12px; }

.console-task-card {
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  background: rgba(255,255,255,.025);
}

.console-task-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 15px;
}

.console-task-title { min-width: 0; display: grid; gap: 5px; }
.console-task-title strong { font-size: 15px; }
.console-task-title small { color: var(--muted, #969bab); }
.console-task-state { flex: none; padding: 5px 9px; border-radius: 999px; color: #c9b9ff; background: rgba(128,76,255,.13); font-size: 11px; }
.console-task-state.is-success { color: #78e8b5; background: rgba(44,199,132,.12); }
.console-task-state.is-failed { color: #ff8aac; background: rgba(255,58,119,.11); }
.console-task-progress-row { margin-top: 14px; display: grid; grid-template-columns: 110px minmax(0, 1fr) 44px; align-items: center; gap: 12px; color: var(--muted, #a2a6b4); font-size: 11px; }
.console-task-progress-row .console-progress-track { margin: 0; }
.console-result-list { margin-top: 13px; display: flex; flex-wrap: wrap; gap: 9px; }

.console-overview-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
}

.console-overview-metrics article {
  padding: 16px;
  display: grid;
  gap: 6px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 15px;
  background: rgba(255,255,255,.025);
}

.console-overview-metrics span,
.console-overview-metrics small { color: var(--muted, #969bab); font-size: 11px; }
.console-overview-metrics strong { font-size: 22px; }
.console-store-block { margin-top: 24px; }
.console-product-card strong { display: block; font-size: 16px; }
.console-product-price { margin: 12px 0; font-size: 24px; font-weight: 800; }
.console-product-price small { font-size: 12px; font-weight: 500; color: var(--muted, #969bab); }
.console-slot-card { display: grid; gap: 7px; }
.console-slot-card.is-empty { border-style: dashed; }
.console-slot-index { color: #b99cff; font-size: 11px; letter-spacing: .08em; }

.console-empty-state {
  grid-column: 1 / -1;
  min-height: 120px;
  padding: 24px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(255,255,255,.1);
  border-radius: 15px;
  color: var(--muted, #969bab);
  text-align: center;
}

[data-theme="light"] .console-nav-item:hover,
[data-theme="light"] .console-model-card,
[data-theme="light"] .console-product-card,
[data-theme="light"] .console-slot-card,
[data-theme="light"] .console-task-card,
[data-theme="light"] .console-step-card,
[data-theme="light"] .console-overview-metrics article {
  background: rgba(255,255,255,.62);
  border-color: rgba(66,47,105,.12);
}

[data-theme="light"] .console-nav-item.is-active {
  color: #54227e;
  border-color: rgba(126,71,255,.32);
  background: linear-gradient(135deg, rgba(126,71,255,.16), rgba(255,61,142,.1));
}

[data-theme="light"] .console-nav-item.is-active .console-nav-icon {
  color: #6f37a8;
  background: rgba(126,71,255,.1);
}

[data-theme="light"] .console-field-stack select,
[data-theme="light"] .console-field-stack input,
[data-theme="light"] .console-upload-grid input,
[data-theme="light"] .console-task-tools select {
  color: #22202a;
  background: rgba(255,255,255,.82);
  border-color: rgba(66,47,105,.15);
}

/* Light creator console: active controls must look actionable, not disabled. */
html[data-theme="light"] .account-console-layout {
  --muted: #5f6b7c;
}

html[data-theme="light"] .console-sidebar-title span,
html[data-theme="light"] .console-sidebar-foot small,
html[data-theme="light"] .console-section-heading .section-title-wrap p,
html[data-theme="light"] .console-field-stack small,
html[data-theme="light"] .console-model-head small,
html[data-theme="light"] .console-product-card p,
html[data-theme="light"] .console-slot-card small,
html[data-theme="light"] .console-task-title small,
html[data-theme="light"] .console-task-progress-row,
html[data-theme="light"] .console-overview-metrics span,
html[data-theme="light"] .console-overview-metrics small,
html[data-theme="light"] .console-product-price small,
html[data-theme="light"] .console-operation-state span {
  color: #5f6b7c;
}

html[data-theme="light"] .console-nav-item {
  color: #475569;
}

html[data-theme="light"] .console-nav-item:hover {
  color: #4c1d95;
  border-color: #ddd6fe;
  background: #f7f3ff;
}

html[data-theme="light"] .console-nav-icon {
  color: #64748b;
  background: #f1f3f8;
}

html[data-theme="light"] .console-step-card,
html[data-theme="light"] .console-model-card,
html[data-theme="light"] .console-product-card,
html[data-theme="light"] .console-slot-card,
html[data-theme="light"] .console-task-card,
html[data-theme="light"] .console-overview-metrics article {
  border-color: #dfe3ec;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(35, 27, 66, .045);
}

html[data-theme="light"] .console-step-number {
  color: #6d28d9;
  border-color: #d8b4fe;
  background: linear-gradient(145deg, #ede9fe, #fce7f3);
  box-shadow: inset 0 1px 0 #ffffff;
}

html[data-theme="light"] .console-source-switch button,
html[data-theme="light"] .console-pitch-options span {
  color: #475569;
  border-color: #d7dce7;
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(15, 23, 42, .035);
}

html[data-theme="light"] .console-source-switch button:hover,
html[data-theme="light"] .console-pitch-options label:hover span {
  color: #5b21b6;
  border-color: #a78bfa;
  background: #f7f3ff;
}

html[data-theme="light"] .console-source-switch button.is-active,
html[data-theme="light"] .console-pitch-options input:checked + span {
  color: #ffffff;
  border-color: #6d28d9;
  background: linear-gradient(135deg, #7c3aed 0%, #a735d2 58%, #db2777 100%);
  box-shadow: 0 7px 18px rgba(109, 40, 217, .2), inset 0 1px rgba(255, 255, 255, .24);
}

html[data-theme="light"] .console-field-stack,
html[data-theme="light"] .console-upload-grid label,
html[data-theme="light"] .console-range-grid label {
  color: #475569;
}

html[data-theme="light"] .console-field-stack select,
html[data-theme="light"] .console-field-stack input,
html[data-theme="light"] .console-upload-grid input,
html[data-theme="light"] .console-task-tools select {
  color: #172033;
  border-color: #cfd5e1;
  background: #ffffff;
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, .025);
}

html[data-theme="light"] .console-field-stack select:hover,
html[data-theme="light"] .console-field-stack input:hover,
html[data-theme="light"] .console-upload-grid input:hover,
html[data-theme="light"] .console-task-tools select:hover {
  border-color: #a78bfa;
}

html[data-theme="light"] .console-field-stack select:focus,
html[data-theme="light"] .console-field-stack input:focus,
html[data-theme="light"] .console-upload-grid input:focus,
html[data-theme="light"] .console-task-tools select:focus {
  border-color: #7c3aed;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, .13);
}

html[data-theme="light"] .console-upload-grid input::file-selector-button {
  color: #5b21b6;
  border: 1px solid #ddd6fe;
  border-radius: 8px;
  background: #f5f3ff;
  cursor: pointer;
}

html[data-theme="light"] .console-check-row {
  color: #172033;
}

html[data-theme="light"] .console-check-row input {
  accent-color: #7c3aed;
}

html[data-theme="light"] .console-advanced-settings {
  border-color: #ddd6fe;
  background: #f8f7fc;
  box-shadow: inset 0 1px #ffffff;
}

html[data-theme="light"] .console-advanced-settings summary {
  color: #6422c3;
  font-weight: 700;
}

html[data-theme="light"] .console-range-grid output {
  color: #5b21b6;
  font-weight: 700;
}

html[data-theme="light"] .console-submit-bar,
html[data-theme="light"] .console-upload-actions {
  border-color: #d8c9fa;
  background: linear-gradient(110deg, #f3efff, #fff1f7);
  box-shadow: inset 0 1px #ffffff;
}

html[data-theme="light"] .console-operation-state strong {
  color: #172033;
}

html[data-theme="light"] .console-progress-track {
  background: #e6e0f2;
}

html[data-theme="light"] .console-upload-panel {
  border-color: #d8c9fa;
  background: #f8f5ff;
}

html[data-theme="light"] .console-mini-button {
  color: #334155;
  border-color: #d7dce7;
  background: #ffffff;
}

html[data-theme="light"] .console-mini-button:hover {
  color: #5b21b6;
  border-color: #a78bfa;
  background: #f7f3ff;
}

html[data-theme="light"] .console-mini-button.is-danger {
  color: #be123c;
  border-color: #fecdd3;
  background: #fff7f8;
}

html[data-theme="light"] .console-task-state {
  color: #5b21b6;
  background: #ede9fe;
}

html[data-theme="light"] .console-task-state.is-success {
  color: #047857;
  background: #d1fae5;
}

html[data-theme="light"] .console-task-state.is-failed {
  color: #be123c;
  background: #ffe4e6;
}

html[data-theme="light"] .console-slot-index {
  color: #6d28d9;
  font-weight: 700;
}

html[data-theme="light"] .console-empty-state {
  color: #64748b;
  border-color: #cbd5e1;
  background: #f8fafc;
}

html[data-theme="light"] .console-cover-form button:disabled,
html[data-theme="light"] .console-upload-panel button:disabled,
html[data-theme="light"] .console-task-card button:disabled {
  color: #94a3b8;
  border-color: #e2e8f0;
  background: #f1f5f9;
  box-shadow: none;
  cursor: not-allowed;
  opacity: .78;
}

@media (max-width: 1080px) {
  .account-console-layout { grid-template-columns: 1fr; }
  .account-console-sidebar { position: sticky; top: 74px; min-height: 0; padding: 10px; overflow-x: auto; }
  .console-sidebar-title, .console-sidebar-foot { display: none; }
  .console-nav-list { display: flex; min-width: max-content; }
  .console-nav-item { width: auto; }
  .console-model-grid, .console-product-grid, .console-slot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .account-header .header-shell { gap: 8px; }
  .account-header .header-left-group { min-width: 0; gap: 8px; }
  .account-header .brand { gap: 8px; }
  .account-header .brand-text small { display: none; }
  .account-header .nav-actions { gap: 7px; flex-shrink: 0; }
  .account-header .back-home-btn,
  .account-header .btn-logout { width: 38px; min-width: 38px; height: 38px; padding: 0; }
  .account-header .back-home-btn span,
  .account-header .btn-logout span { display: none; }
  .account-header .btn-logout { border: 1px solid var(--glass-border); border-radius: 50%; background: var(--glass-bg); color: var(--text-muted); }
  .account-header .btn-logout svg { width: 17px; height: 17px; }
  .account-console-sidebar { margin-inline: -8px; }
  .console-nav-icon { display: none; }
  .console-nav-item { min-height: 40px; padding: 0 11px; font-size: 12px; }
  .console-step-card { grid-template-columns: 1fr; }
  .console-step-number { width: 38px; height: 38px; border-radius: 12px; }
  .console-upload-grid, .console-range-grid, .console-model-grid, .console-product-grid, .console-slot-grid, .console-overview-metrics { grid-template-columns: 1fr; }
  .console-submit-bar, .console-upload-actions, .console-task-head, .console-section-heading { align-items: stretch; flex-direction: column; }
  .console-create-button { width: 100%; }
  .console-task-progress-row { grid-template-columns: 1fr 42px; }
  .console-task-progress-row > span:first-child { grid-column: 1 / -1; }
}

/* --- 浅色模式 (Studio Pure Light - 通透温润拟态) --- */
html[data-theme='light'] {
  --bg: #f8f9fc;
  --bg-soft: #f1f3f9;
  --bg-elevated: #ffffff;

  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-bg-hover: #ffffff;
  --glass-border: rgba(15, 23, 42, 0.08);
  --glass-border-hover: rgba(140, 82, 255, 0.35);
  --glass-shine: rgba(255, 255, 255, 0.95);
  --glass-blur: blur(20px) saturate(180%);

  /* 浅色内嵌槽位：温润通透 */
  --slot-bg: rgba(15, 23, 42, 0.035);
  --slot-border: rgba(15, 23, 42, 0.08);
  --slot-chip-bg: rgba(15, 23, 42, 0.05);
  --slot-fader-track: rgba(15, 23, 42, 0.1);

  --text: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-faint: #94a3b8;

  --purple-glow: rgba(140, 82, 255, 0.15);
  --pink-glow: rgba(244, 63, 142, 0.1);
  --cyan-glow: rgba(56, 189, 248, 0.1);

  --shadow-glass: inset 0 1px 0 var(--glass-shine), 0 8px 30px rgba(15, 23, 42, 0.05);
  --shadow-glass-hover: inset 0 1px 0 #ffffff, 0 16px 40px rgba(30, 20, 60, 0.08), 0 0 20px var(--purple-glow);

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 20px); }

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* 细腻深邃背景网格点阵与弥散光环 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 10%, #000 35%, transparent 100%);
}

html[data-theme='light'] body::before {
  background-image: radial-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: 
    radial-gradient(circle at 80% 8%, var(--purple-glow), transparent 32%),
    radial-gradient(circle at 15% 42%, var(--pink-glow), transparent 28%),
    radial-gradient(circle at 85% 75%, var(--cyan-glow), transparent 30%);
  filter: blur(65px);
}

button, a, input { font: inherit; color: inherit; }
a { text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.shell { width: min(1200px, calc(100% - 48px)); margin-inline: auto; }

.skip-link {
  position: fixed; top: -60px; left: 20px; z-index: 9999;
  padding: 10px 18px; border-radius: var(--radius-sm);
  background: var(--text); color: var(--bg); font-weight: 700; transition: top 0.2s;
}
.skip-link:focus { top: 16px; }

/* 文本工具类 */
.text-purple { color: var(--purple-light) !important; }
.text-emerald { color: var(--emerald) !important; }
.text-cyan { color: var(--cyan) !important; }

/* ==========================================================================
   iOS 拟态玻璃基类 (.glass-card)
   ========================================================================== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius-lg);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.35s ease,
              box-shadow 0.35s ease,
              background 0.35s ease;
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-glass-hover);
}

/* ==========================================================================
   1. 全宽通栏置顶导航栏 (Full-width Sticky Top Nav Header)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom-color: var(--glass-border-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* 品牌 Logo 与动效声波 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  position: relative;
  display: flex;
  width: 36px;
  height: 36px;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  padding-bottom: 7px;
  border: 1px solid var(--glass-border);
  border-radius: 11px;
  background: var(--glass-bg);
  box-shadow: inset 0 1px 0 var(--glass-shine);
}

.brand-mark i {
  width: 3px;
  border-radius: 6px;
  background: var(--gradient-primary);
  animation: pulseHeight 2s ease-in-out infinite alternate;
}
.brand-mark i:nth-child(1) { height: 11px; animation-delay: 0.1s; }
.brand-mark i:nth-child(2) { height: 20px; animation-delay: 0.4s; }
.brand-mark i:nth-child(3) { height: 14px; animation-delay: 0.25s; }

@keyframes pulseHeight {
  0% { transform: scaleY(0.7); }
  100% { transform: scaleY(1.15); }
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.brand-text strong {
  font-size: 19px;
  letter-spacing: 0.18em;
  background: linear-gradient(180deg, #ffffff 30%, #cbd5e1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

html[data-theme='light'] .brand-text strong {
  background: linear-gradient(180deg, #0f172a 30%, #334155 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-text small {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--purple-light);
  padding: 1px 6px;
  border-radius: 6px;
  background: rgba(140, 82, 255, 0.12);
  border: 1px solid rgba(140, 82, 255, 0.25);
}

/* 算力集群状态标 */
.cluster-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--emerald);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* 导航链接 */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-inline: auto;
}

.desktop-nav a {
  position: relative;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  transition: color 0.25s ease;
  padding: 6px 0;
}

.desktop-nav a:hover { color: var(--text); }

.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient-primary);
  transition: width 0.25s ease, left 0.25s ease;
}

.desktop-nav a:hover::after {
  width: 100%;
  left: 0;
}

/* 顶栏按钮组 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-button, .text-button, .primary-button, .secondary-button {
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
}

.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  background: var(--glass-bg);
  color: var(--text-muted);
  box-shadow: inset 0 1px 0 var(--glass-shine);
}

.icon-button:hover {
  color: var(--text);
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
  transform: translateY(-1px);
}

.icon-button svg { width: 17px; height: 17px; }
.sun-icon { display: none; }
html[data-theme='light'] .sun-icon { display: block; }
html[data-theme='light'] .moon-icon { display: none; }

.text-button {
  padding: 7px 16px;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  border-radius: 9999px;
}

.text-button:hover {
  color: var(--text);
  background: var(--glass-bg-hover);
}

.primary-button {
  gap: 8px;
  min-height: 40px;
  padding: 0 20px;
  border-radius: 9999px;
  background: var(--gradient-primary);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 18px var(--purple-glow), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.primary-button::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}

.primary-button:hover::after { left: 140%; }
.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(140, 82, 255, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}
.primary-button:active { transform: translateY(0); }

.secondary-button {
  gap: 8px;
  min-height: 40px;
  padding: 0 20px;
  border-radius: 9999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  backdrop-filter: var(--glass-blur);
  box-shadow: inset 0 1px 0 var(--glass-shine);
}

.secondary-button:hover {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
  color: #ffffff;
  transform: translateY(-2px);
}

html[data-theme='light'] .secondary-button:hover { color: var(--text); }

.primary-button.full, .secondary-button.full { width: 100%; }

.btn-arrow, .btn-icon, .btn-icon-sm {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}
.btn-icon-sm { width: 16px; height: 16px; }

.primary-button:hover .btn-arrow,
.secondary-button:hover .btn-arrow {
  transform: translateX(3px);
}

.menu-toggle, .mobile-menu { display: none; }

/* ==========================================================================
   2. 次世代超级工作台首屏 (Hero Studio Cockpit)
   ========================================================================== */
.hero-section {
  padding-block: 56px 90px;
  position: relative;
  text-align: center;
}

.hero-ambient-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(140, 82, 255, 0.2) 0%, rgba(244, 63, 142, 0.07) 45%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-header {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin-inline: auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: rgba(140, 82, 255, 0.1);
  border: 1px solid rgba(140, 82, 255, 0.25);
  color: var(--purple-light);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.eyebrow-ping {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: pulseDot 1.8s infinite;
}

.hero-title {
  margin: 0;
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text);
}

.hero-accent {
  display: block;
  margin-top: 10px;
  background: linear-gradient(120deg, #c084fc 0%, #f472b6 45%, #38bdf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: normal;
  filter: drop-shadow(0 2px 24px rgba(192, 132, 252, 0.3));
}

.hero-description {
  max-width: 660px;
  margin: 24px auto 0;
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.8;
}

/* 精简单行 CTA 组与辅助标签 */
.hero-cta-wrapper {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.hero-cta-btn {
  height: 50px;
  padding: 0 32px;
  font-size: 15px;
  font-weight: 700;
}

.hero-secondary-btn {
  height: 50px;
  padding: 0 26px;
  font-size: 15px;
}

.hero-os-badge {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
}

.hero-highlights li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.highlight-check {
  display: inline-grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald);
  font-style: normal;
  font-size: 11px;
  font-weight: 800;
}

/* 3D 工作台展台与挂件 */
.hero-stage {
  position: relative;
  z-index: 2;
  margin-top: 56px;
  display: grid;
  grid-template-columns: 230px 1fr 230px;
  align-items: center;
  gap: 24px;
  perspective: 1400px;
}

/* 悬挂小部件 */
.cockpit-widget {
  padding: 18px;
  text-align: left;
  animation: widgetFloat 4s ease-in-out infinite alternate;
}

.widget-left { animation-delay: 0s; }
.widget-right { animation-delay: 2s; }

@keyframes widgetFloat {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-8px); }
}

.widget-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 12px;
}

.widget-head b {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.metric-row strong {
  font-family: var(--font-mono);
  font-size: 13px;
}

.pulse-sparkline {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 24px;
  margin-top: 10px;
}

.pulse-sparkline i {
  flex: 1;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--purple-light), var(--pink));
  animation: sparkJump 1.5s ease-in-out infinite alternate;
}
.pulse-sparkline i:nth-child(1) { height: 30%; animation-delay: 0.1s; }
.pulse-sparkline i:nth-child(2) { height: 70%; animation-delay: 0.4s; }
.pulse-sparkline i:nth-child(3) { height: 45%; animation-delay: 0.2s; }
.pulse-sparkline i:nth-child(4) { height: 90%; animation-delay: 0.5s; }
.pulse-sparkline i:nth-child(5) { height: 60%; animation-delay: 0.3s; }
.pulse-sparkline i:nth-child(6) { height: 80%; animation-delay: 0.15s; }
.pulse-sparkline i:nth-child(7) { height: 40%; animation-delay: 0.35s; }
.pulse-sparkline i:nth-child(8) { height: 65%; animation-delay: 0.25s; }

@keyframes sparkJump {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1.1); }
}

.vst-track-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.vst-meter {
  flex: 1;
  height: 6px;
  border-radius: 4px;
  background: var(--slot-fader-track);
  overflow: hidden;
  position: relative;
}

.vst-meter i {
  display: block;
  height: 100%;
  width: 75%;
  border-radius: 4px;
  background: var(--purple-light);
  box-shadow: 0 0 8px var(--purple-glow);
}

.meter-accent i { width: 90%; background: var(--gradient-primary); }
.meter-cyan i { width: 80%; background: var(--cyan); }
.vst-meta {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  text-align: right;
}

/* 巨幕 3D 展台窗口 */
.cockpit-stage-wrapper { position: relative; }

.cockpit-stage-glow {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle, rgba(140, 82, 255, 0.25) 0%, rgba(244, 63, 142, 0.1) 50%, transparent 75%);
  filter: blur(45px);
  z-index: 0;
}

.cockpit-window {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  transform: rotateX(2deg);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
}

.cockpit-window:hover {
  transform: rotateX(0) scale(1.015);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 35px 90px rgba(0, 0, 0, 0.75), 0 0 45px var(--purple-glow);
}

.cockpit-titlebar {
  display: flex;
  height: 42px;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.02);
}

.traffic-lights { display: flex; gap: 7px; }
.traffic-lights span { width: 10px; height: 10px; border-radius: 50%; }
.traffic-lights span:nth-child(1) { background: #ff5f56; }
.traffic-lights span:nth-child(2) { background: #ffbd2e; }
.traffic-lights span:nth-child(3) { background: #27c93f; }

.titlebar-center {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}
.titlebar-logo { width: 14px; height: 14px; color: var(--purple-light); }

.titlebar-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--emerald);
}
.status-indicator { width: 6px; height: 6px; border-radius: 50%; background: var(--emerald); }

.cockpit-screen {
  position: relative;
  aspect-ratio: 1499 / 938;
  background: #07080c;
  overflow: hidden;
}

.cockpit-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  transition: opacity 0.4s ease, transform 0.6s ease;
}

.cockpit-screen.is-loading img { opacity: 0; }

.cockpit-skeleton {
  position: absolute;
  inset: 0;
  display: none;
  background: var(--bg-soft);
}
.is-loading .cockpit-skeleton { display: block; }

.skeleton-shimmer {
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  animation: skeletonShimmer 1.5s infinite;
}

@keyframes skeletonShimmer {
  to { transform: translateX(100%); }
}

/* ==========================================================================
   3. iOS 拟态玻璃特性矩阵微卡片 (Glass Metric Cards Grid)
   ========================================================================== */
.proof-ribbon-section {
  padding-block: 20px 60px;
}

.proof-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.proof-card {
  padding: 24px;
}

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

.proof-number {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #ffffff 0%, var(--purple-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

html[data-theme='light'] .proof-number {
  background: linear-gradient(135deg, #0f172a 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.proof-number small {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.proof-icon-pill {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 14px;
  background: var(--slot-bg);
  border: 1px solid var(--slot-border);
}

.proof-info b {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.proof-info p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
}

/* ==========================================================================
   通用板块头部规范
   ========================================================================== */
.section {
  padding-block: 100px;
  position: relative;
}

.section-tag {
  display: inline-block;
  color: var(--purple-light);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

html[data-theme='light'] .section-tag {
  color: var(--purple);
}

.section-header-compact {
  max-width: 680px;
  margin: 0 auto 50px;
  text-align: center;
}

.section-header-compact h2 {
  margin: 0 0 14px;
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.section-header-compact p {
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
}

.section-header-split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 50px;
}

.section-header-split > div { max-width: 620px; }
.section-header-split h2 {
  margin: 0;
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.section-header-split > p {
  max-width: 440px;
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ==========================================================================
   4. 互动式 4 步创作演播室 (Interactive Pipeline Showroom)
   ========================================================================== */
.pipeline-track-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pipeline-node-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.node-step-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  color: var(--purple-light);
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(140, 82, 255, 0.12);
  border: 1px solid rgba(140, 82, 255, 0.25);
}

html[data-theme='light'] .node-step-badge {
  color: var(--purple);
}

.node-icon-box {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: var(--slot-bg);
  color: var(--text);
  box-shadow: inset 0 1px 0 var(--glass-shine);
  transition: all 0.3s ease;
}

.pipeline-node-card:hover .node-icon-box {
  background: var(--gradient-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 0 20px var(--purple-glow);
}

.node-icon-box svg { width: 20px; height: 20px; }

.node-content h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.node-content p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* 内嵌展示小区域：自适应深浅槽位背景 */
.node-visual {
  margin-top: 20px;
  padding: 12px;
  border: 1px solid var(--slot-border);
  border-radius: var(--radius-sm);
  background: var(--slot-bg);
}

.wave-lines {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 24px;
  gap: 3px;
}

.wave-lines i {
  flex: 1;
  border-radius: 3px;
  background: var(--purple-light);
  height: 6px;
  animation: wavePulse 1.8s ease-in-out infinite alternate;
}
html[data-theme='light'] .wave-lines i { background: var(--purple); }
.wave-lines i:nth-child(odd) { background: var(--pink); }
.wave-lines i:nth-child(1) { height: 10px; }
.wave-lines i:nth-child(2) { height: 22px; }
.wave-lines i:nth-child(3) { height: 14px; }
.wave-lines i:nth-child(4) { height: 24px; }
.wave-lines i:nth-child(5) { height: 16px; }
.wave-lines i:nth-child(6) { height: 24px; }
.wave-lines i:nth-child(7) { height: 12px; }
.wave-lines i:nth-child(8) { height: 18px; }

@keyframes wavePulse {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1); }
}

.timbre-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.timbre-chips .chip {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--slot-chip-bg);
  color: var(--text-secondary);
}
.timbre-chips .chip.active {
  background: rgba(140, 82, 255, 0.18);
  color: var(--purple-light);
  border: 1px solid rgba(140, 82, 255, 0.35);
}
html[data-theme='light'] .timbre-chips .chip.active {
  color: var(--purple);
}

.cloud-progress-track { display: grid; gap: 6px; }
.cloud-bar {
  height: 6px;
  border-radius: 6px;
  background: var(--gradient-primary);
  box-shadow: 0 0 10px var(--purple-glow);
}
.cloud-status-text {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--emerald);
}

.export-file-badge { display: flex; align-items: center; gap: 8px; }
.file-ext {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--purple);
  color: #ffffff;
}
.file-desc { font-size: 11px; color: var(--text-muted); }

/* ==========================================================================
   5. 核心生产力矩阵 (Bento Matrix 2.0 - iOS 拟态玻璃)
   ========================================================================== */
.bento-matrix-section {
  border-top: 1px solid var(--glass-border);
}

.bento-layout-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: 340px 290px;
  gap: 20px;
}

.bento-card {
  padding: 34px;
  display: flex;
  flex-direction: column;
}

.bento-hero-card { grid-row: span 2; }
.bento-vst-card { grid-column: span 2; }

.bento-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  color: var(--purple-light);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
html[data-theme='light'] .bento-badge { color: var(--purple); }

.bento-text h3 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.bento-text p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
}

/* Bento 01: 16 频段实时声谱 (浅色自适应) */
.bento-spectrum-display {
  margin-top: auto;
  padding: 18px 20px 14px;
  border: 1px solid var(--slot-border);
  border-radius: var(--radius-md);
  background: var(--slot-bg);
}

.spectrum-track {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 6px;
  height: 170px;
}

.spectrum-track i {
  flex: 1;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--purple-light) 55%, var(--pink) 100%);
  opacity: 0.88;
  box-shadow: 0 0 10px rgba(140, 82, 255, 0.25);
  animation: spectrumJump 2s ease-in-out infinite alternate;
}

.spectrum-track i:nth-child(1) { height: 35%; animation-delay: 0.1s; }
.spectrum-track i:nth-child(2) { height: 60%; animation-delay: 0.3s; }
.spectrum-track i:nth-child(3) { height: 85%; animation-delay: 0.15s; }
.spectrum-track i:nth-child(4) { height: 45%; animation-delay: 0.45s; }
.spectrum-track i:nth-child(5) { height: 75%; animation-delay: 0.2s; }
.spectrum-track i:nth-child(6) { height: 95%; animation-delay: 0.5s; }
.spectrum-track i:nth-child(7) { height: 65%; animation-delay: 0.35s; }
.spectrum-track i:nth-child(8) { height: 40%; animation-delay: 0.6s; }
.spectrum-track i:nth-child(9) { height: 80%; animation-delay: 0.25s; }
.spectrum-track i:nth-child(10) { height: 90%; animation-delay: 0.4s; }
.spectrum-track i:nth-child(11) { height: 70%; animation-delay: 0.55s; }
.spectrum-track i:nth-child(12) { height: 50%; animation-delay: 0.1s; }
.spectrum-track i:nth-child(13) { height: 82%; animation-delay: 0.3s; }
.spectrum-track i:nth-child(14) { height: 62%; animation-delay: 0.45s; }
.spectrum-track i:nth-child(15) { height: 42%; animation-delay: 0.2s; }
.spectrum-track i:nth-child(16) { height: 28%; animation-delay: 0.15s; }

@keyframes spectrumJump {
  0% { transform: scaleY(0.45); }
  100% { transform: scaleY(1.05); }
}

.spectrum-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
}

/* Bento 02: 0 硬件雷达 */
.hardware-radar-visual {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hardware-radar-visual strong {
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #ffffff 0%, var(--purple-light) 60%, var(--pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

html[data-theme='light'] .hardware-radar-visual strong {
  background: linear-gradient(135deg, #0f172a 0%, var(--purple) 60%, var(--pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.radar-center small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}

/* Bento 03: 资产安全仓 */
.asset-vault-visual {
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--slot-border);
  border-radius: var(--radius-md);
  background: var(--slot-bg);
}

.vault-sync-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--emerald);
}

.sync-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 6px var(--emerald);
}

/* Bento 04: VST 调音台通道 (浅色自适应) */
.vst-console-visual {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--slot-border);
  border-radius: var(--radius-md);
  background: var(--slot-bg);
}

.console-channel { display: grid; gap: 6px; text-align: center; }
.channel-label { font-family: var(--font-mono); font-size: 10px; font-weight: 700; color: var(--text-muted); }
.fader-track { position: relative; height: 56px; width: 6px; margin: 0 auto; border-radius: 3px; background: var(--slot-fader-track); }
.fader-thumb { position: absolute; left: 50%; transform: translateX(-50%); width: 20px; height: 12px; border-radius: 3px; background: #cbd5e1; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3); }
.fader-1 { top: 30%; }
.fader-2 { top: 20%; background: var(--gradient-primary); box-shadow: 0 0 10px var(--purple-glow); }
.fader-3 { top: 50%; }
.fader-4 { top: 25%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan-glow); }
.channel-db { font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); }

/* ==========================================================================
   6. 沉浸式作品画廊 (Studio Workspace Gallery)
   ========================================================================== */
.gallery-immersive-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.gallery-immersive-card { margin: 0; padding: 14px; }
.gallery-image-frame {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  background: #07080c;
}

.gallery-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-immersive-card:hover img { transform: scale(1.03); }

.gallery-caption { display: grid; gap: 4px; padding: 14px 4px 4px; }
.gallery-caption b { font-size: 15px; font-weight: 700; color: var(--text); }
.gallery-caption span { color: var(--text-muted); font-size: 13px; }

.gallery-wide-feature { grid-column: 1 / -1; }
.gallery-wide-feature .gallery-image-frame { aspect-ratio: 1499 / 938; }

/* ==========================================================================
   7. 沉浸式作品试听剧场 (Vinyl Masterpiece Lounge)
   ========================================================================== */
.audio-lounge-grid { display: grid; gap: 14px; }

.audio-track-card {
  display: grid;
  grid-template-columns: 60px minmax(200px, 1fr) 1.5fr 44px;
  align-items: center;
  gap: 20px;
  width: 100%;
  padding: 12px 18px;
  text-align: left;
  cursor: pointer;
}

.audio-track-card.playing {
  border-color: var(--purple-light);
  box-shadow: var(--shadow-glass-hover);
}

.track-vinyl-cover {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, #2b1f55 0%, #8c2a68 100%);
  display: grid;
  place-items: center;
}

.track-vinyl-cover img { width: 100%; height: 100%; object-fit: cover; }
.vinyl-grooves { width: 24px; height: 24px; border: 2px solid rgba(255, 255, 255, 0.6); border-radius: 50%; }

.vinyl-play-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.track-vinyl-cover:hover .vinyl-play-overlay,
.audio-track-card.playing .vinyl-play-overlay { opacity: 1; }
.vinyl-play-overlay svg { width: 22px; height: 22px; fill: #ffffff; }

.track-meta { display: grid; gap: 3px; }
.track-title { font-size: 15px; font-weight: 700; color: var(--text); }
.track-subtitle { color: var(--text-muted); font-size: 13px; }

.track-dynamic-bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 28px;
  opacity: 0.5;
}

.audio-track-card:hover .track-dynamic-bars,
.audio-track-card.playing .track-dynamic-bars { opacity: 1; }

.track-dynamic-bars i {
  width: 3px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--purple-light) 0%, var(--pink) 100%);
  height: 8px;
}

.audio-track-card.playing .track-dynamic-bars i { animation: dynamicBarJump 1.2s ease-in-out infinite alternate; }
.audio-track-card.playing .track-dynamic-bars i:nth-child(1) { height: 10px; animation-delay: 0.1s; }
.audio-track-card.playing .track-dynamic-bars i:nth-child(2) { height: 22px; animation-delay: 0.3s; }
.audio-track-card.playing .track-dynamic-bars i:nth-child(3) { height: 28px; animation-delay: 0.15s; }
.audio-track-card.playing .track-dynamic-bars i:nth-child(4) { height: 14px; animation-delay: 0.4s; }
.audio-track-card.playing .track-dynamic-bars i:nth-child(5) { height: 26px; animation-delay: 0.25s; }
.audio-track-card.playing .track-dynamic-bars i:nth-child(6) { height: 12px; animation-delay: 0.5s; }
.audio-track-card.playing .track-dynamic-bars i:nth-child(7) { height: 22px; animation-delay: 0.35s; }
.audio-track-card.playing .track-dynamic-bars i:nth-child(8) { height: 10px; animation-delay: 0.2s; }

@keyframes dynamicBarJump {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1.15); }
}

.track-action-btn {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  background: var(--slot-bg);
  color: var(--text);
  transition: all 0.2s ease;
}
.track-action-btn svg { width: 18px; height: 18px; fill: currentColor; }

.audio-track-card:hover .track-action-btn {
  background: var(--purple);
  color: #ffffff;
}

.audio-track-card.playing .track-action-btn {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 0 14px var(--purple-glow);
}

.content-placeholder {
  display: grid;
  min-height: 180px;
  place-items: center;
  align-content: center;
  gap: 10px;
  color: var(--text-muted);
}
.placeholder-icon { font-size: 30px; }

/* ==========================================================================
   8. 创作进阶视频学院 (Video Masterclass Academy)
   ========================================================================== */
.tutorial-academy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tutorial-theater-card {
  padding: 0;
  overflow: hidden;
  text-align: left;
  cursor: pointer;
}

.featured-master { grid-column: span 2; }

.theater-cover-box {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #07080c;
}

.theater-cover-box img, .theater-default-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.tutorial-theater-card:hover .theater-cover-box img { transform: scale(1.03); }

.theater-default-bg {
  background: radial-gradient(circle at 35% 40%, rgba(244, 63, 142, 0.4), transparent 30%), linear-gradient(135deg, #161224 0%, #301f60 50%, #101c2b 100%);
}

.theater-cover-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.65) 100%);
}

.theater-glow-play {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  background: rgba(10, 11, 16, 0.65);
  color: #ffffff;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
}

.tutorial-theater-card:hover .theater-glow-play {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--gradient-primary);
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 24px var(--purple-glow);
}

.theater-glow-play svg { width: 20px; height: 20px; fill: currentColor; margin-left: 2px; }

.theater-time-badge {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.75);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.theater-info-box { padding: 22px; }
.theater-cat {
  color: var(--purple-light);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
html[data-theme='light'] .theater-cat { color: var(--purple); }

.theater-title {
  display: block;
  margin-top: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.theater-desc {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ==========================================================================
   9. 创作会员方案 (Membership & Plans - 水晶拟态玻璃)
   ========================================================================== */
.pricing-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.price-tier-card {
  display: flex;
  flex-direction: column;
  padding: 36px 32px;
  position: relative;
}

.tier-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  color: var(--purple-light);
  letter-spacing: 0.14em;
  margin-bottom: 10px;
}
html[data-theme='light'] .tier-badge { color: var(--purple); }

.tier-name { margin: 0 0 8px; font-size: 22px; font-weight: 800; color: var(--text); }
.tier-desc { margin: 0; color: var(--text-muted); font-size: 13px; line-height: 1.7; min-height: 44px; }

.tier-price-row {
  display: flex;
  align-items: baseline;
  margin: 28px 0 20px;
}

.price-val {
  display: flex;
  align-items: baseline;
}

.price-val strong {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text);
}

.duration-badge {
  margin-left: 8px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
}

.tier-divider {
  height: 1px;
  background: var(--glass-border);
  margin-bottom: 24px;
}

.tier-feature-list {
  display: grid;
  gap: 12px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  color: var(--text-secondary);
  font-size: 13px;
}

.tier-feature-list li { display: flex; align-items: center; gap: 10px; }

.feature-icon {
  display: inline-grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border-radius: 50%;
  background: rgba(140, 82, 255, 0.15);
  color: var(--purple-light);
  font-style: normal;
  font-size: 11px;
  font-weight: 800;
}
html[data-theme='light'] .feature-icon { color: var(--purple); }

.tier-action-btn { margin-top: auto; }

/* ==========================================================================
   10. 创作者疑问中心 (Creator FAQ Hub - iOS 拟态玻璃)
   ========================================================================== */
.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}

.faq-contact-card {
  margin-top: 32px;
  padding: 22px;
}

.faq-contact-card b { display: block; font-size: 15px; color: var(--text); margin-bottom: 6px; }
.faq-contact-card p { margin: 0 0 16px; font-size: 13px; color: var(--text-muted); }

.faq-accordion-list { display: grid; gap: 14px; }
.faq-modern-item { padding: 0 24px; }

.faq-summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  transition: color 0.2s ease;
}

.faq-summary:hover { color: var(--purple-light); }
.faq-summary::-webkit-details-marker { display: none; }

.faq-toggle-icon {
  position: relative;
  width: 16px;
  height: 2px;
  background: var(--text-muted);
  transition: transform 0.3s ease, background 0.3s ease;
}

.faq-toggle-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 16px;
  height: 2px;
  background: inherit;
  transform: rotate(90deg);
  transition: transform 0.3s ease;
}

.faq-modern-item[open] .faq-toggle-icon::after { transform: rotate(0deg); }
.faq-modern-item[open] .faq-toggle-icon { background: var(--purple-light); }
.faq-answer { padding-bottom: 22px; }
.faq-answer p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.8; }

/* ==========================================================================
   11. 终极行动召唤 (Cosmic Orb Heroic CTA)
   ========================================================================== */
.final-heroic-cta { padding-block: 20px 100px; }

.heroic-cta-box {
  position: relative;
  overflow: hidden;
  padding: 60px 48px;
  text-align: center;
}

.cta-orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(140, 82, 255, 0.15);
  border-radius: 50%;
  pointer-events: none;
}

.ring-1 { width: 380px; height: 380px; }
.ring-2 { width: 620px; height: 620px; }

.cta-content-wrapper {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin-inline: auto;
}

.cta-tag {
  color: var(--purple-light);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
html[data-theme='light'] .cta-tag { color: var(--purple); }

.heroic-cta-box h2 {
  margin: 14px 0 12px;
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.04em;
  color: var(--text);
}

.heroic-cta-box p {
  margin: 0 0 32px;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
}

.cta-action-group { display: flex; justify-content: center; }
.cta-os-badge { margin-top: 14px; }

/* ==========================================================================
   12. 旗舰页脚 (Flagship Footer)
   ========================================================================== */
.site-footer {
  padding: 70px 0 32px;
  border-top: 1px solid var(--glass-border);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
}

.footer-matrix-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 50px;
  padding-bottom: 50px;
}

.footer-bio {
  max-width: 280px;
  margin: 18px 0 14px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.8;
}

.footer-version-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--emerald);
}
.version-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--emerald); }

.footer-links-col { display: grid; align-content: start; gap: 12px; }
.footer-links-col b { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 6px; }

.footer-links-col a,
.footer-links-col button,
.footer-links-col span {
  padding: 0;
  border: 0;
  background: none;
  color: var(--text-muted);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s ease;
}

.footer-links-col a:hover,
.footer-links-col button:hover { color: var(--text); }
.footer-dl-btn { color: var(--purple-light) !important; font-weight: 700; }
html[data-theme='light'] .footer-dl-btn { color: var(--purple) !important; }

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  padding-top: 22px;
  border-top: 1px solid var(--glass-border);
  color: var(--text-faint);
  font-size: 12px;
}

/* ==========================================================================
   13. 全站常驻 Hi-Fi 悬浮音频播放台 (Audio Dock)
   ========================================================================== */
.audio-dock-wrapper {
  position: fixed;
  right: 24px;
  bottom: 24px;
  left: 24px;
  z-index: 990;
  max-width: 740px;
  margin: auto;
  opacity: 0;
  transform: translateY(120%);
  pointer-events: none;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.audio-dock-wrapper.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.audio-dock-inner {
  display: grid;
  grid-template-columns: 44px 180px 1fr 48px 28px;
  align-items: center;
  gap: 16px;
  padding: 10px 18px;
  border-radius: 9999px;
}

.dock-play-toggle {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #ffffff;
  cursor: pointer;
  box-shadow: 0 0 14px var(--purple-glow);
  transition: transform 0.2s ease;
}
.dock-play-toggle:hover { transform: scale(1.08); }
.dock-play-icon { width: 18px; height: 18px; fill: currentColor; }

.dock-info-area { display: grid; gap: 2px; min-width: 0; }
.dock-status-label { font-family: var(--font-mono); font-size: 10px; font-weight: 800; color: var(--purple-light); }
html[data-theme='light'] .dock-status-label { color: var(--purple); }
.dock-track-name { color: var(--text); font-size: 13px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.dock-progress-wrapper { height: 6px; border-radius: 6px; background: var(--slot-fader-track); cursor: pointer; position: relative; }
.dock-progress-fill { display: block; width: 0; height: 100%; border-radius: 6px; background: var(--gradient-primary); box-shadow: 0 0 10px var(--purple-glow); }
.dock-time-display { color: var(--text-muted); font-family: var(--font-mono); font-size: 12px; font-weight: 600; text-align: right; }
.dock-close-btn { border: 0; background: transparent; color: var(--text-muted); font-size: 22px; cursor: pointer; display: grid; place-items: center; }
.dock-close-btn:hover { color: var(--text); }

/* ==========================================================================
   14. 剧场级教学视频弹窗 (Video Theater Dialog)
   ========================================================================== */
.video-theater-dialog {
  width: min(1040px, calc(100% - 40px));
  padding: 0;
  overflow: visible;
  border-radius: var(--radius-xl);
  color: var(--text);
}

.video-theater-dialog::backdrop, .auth-glass-dialog::backdrop {
  background: rgba(4, 5, 8, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.dialog-video-container {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: calc(var(--radius-xl) - 1px) calc(var(--radius-xl) - 1px) 0 0;
  background: #000000;
}

.dialog-video-container video { width: 100%; height: 100%; }
.dialog-meta-container { display: grid; gap: 4px; padding: 20px 24px; }
.dialog-tag { color: var(--purple-light); font-family: var(--font-mono); font-size: 11px; font-weight: 800; letter-spacing: 0.12em; }
html[data-theme='light'] .dialog-tag { color: var(--purple); }
.dialog-video-title { font-size: 17px; font-weight: 700; color: var(--text); }

.dialog-close-btn {
  position: absolute;
  top: -44px;
  right: 0;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  font-size: 20px;
  cursor: pointer;
  display: grid;
  place-items: center;
  backdrop-filter: blur(8px);
}
.dialog-close-btn:hover { background: var(--purple); border-color: #ffffff; }

/* ==========================================================================
   15 & 16. 原生 iOS 拟态玻璃超级登录与收银台弹窗 (Apple Liquid Frosted Glass 3.3)
   ========================================================================== */
.auth-glass-dialog {
  width: min(440px, calc(100% - 32px));
  max-height: min(860px, calc(100vh - 32px));
  padding: 0;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.015) 100%), rgba(11, 13, 20, 0.92);
  backdrop-filter: blur(36px) saturate(210%);
  -webkit-backdrop-filter: blur(36px) saturate(210%);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.3),
              inset 0 0 24px rgba(140, 82, 255, 0.08),
              0 32px 96px rgba(0, 0, 0, 0.85),
              0 0 45px rgba(140, 82, 255, 0.28);
  color: var(--text);
  margin: auto;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.auth-glass-dialog [hidden] {
  display: none !important;
}

html[data-theme='light'] .auth-glass-dialog {
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.92) 100%);
  border-color: rgba(140, 82, 255, 0.22);
  box-shadow: inset 0 1px 1px #ffffff,
              0 30px 80px rgba(15, 23, 42, 0.15),
              0 0 35px rgba(140, 82, 255, 0.14);
}

.auth-modal-card {
  padding: 36px 32px;
  position: relative;
}

.auth-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  background: var(--slot-bg);
  color: var(--text-muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: inset 0 1px 0 var(--glass-shine);
}

.auth-modal-close svg { width: 14px; height: 14px; stroke-width: 2.2; }

.auth-modal-close:hover {
  background: var(--glass-bg-hover);
  color: var(--text);
  border-color: var(--glass-border-hover);
  transform: rotate(90deg) scale(1.08);
}

/* 顶部立体微晶芯片徽章 */
.auth-modal-header {
  text-align: center;
  margin-bottom: 22px;
}

.auth-chip-badge {
  position: relative;
  display: inline-grid;
  place-items: center;
  margin-bottom: 14px;
}

.chip-glow-halo {
  position: absolute;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
  filter: blur(10px);
  animation: pulseDot 2.2s infinite;
}

.chip-inner-box {
  position: relative;
  z-index: 1;
  padding: 3px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.04));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
}

.chip-inner-box .brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
}

.auth-glow-title {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 30%, var(--purple-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

html[data-theme='light'] .auth-glow-title {
  background: linear-gradient(135deg, #0f172a 30%, var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.auth-sub-desc {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* 分段控制器 Segmented Control Tab */
.auth-segmented-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 4px;
  border-radius: 14px;
  background: var(--slot-bg);
  border: 1px solid var(--slot-border);
  margin-bottom: 20px;
  gap: 4px;
}

.auth-segmented-nav-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.segmented-item {
  border: 0;
  background: transparent;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.segmented-item .seg-icon { width: 14px; height: 14px; }

.seg-icon-qq {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--qq-blue);
  color: #ffffff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.seg-qq-svg { width: 11px; height: 11px; }

.segmented-item:hover { color: var(--text); }

.segmented-item.active {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 4px 12px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

html[data-theme='light'] .segmented-item.active {
  background: #ffffff;
  color: var(--purple);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

/* 表单控件体系 */
.auth-glass-form {
  display: grid;
  gap: 16px;
}

.form-item { display: grid; gap: 7px; text-align: left; }
.form-item label { font-size: 12px; font-weight: 600; color: var(--text-secondary); }

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.forgot-link {
  font-size: 12px;
  color: var(--purple-light);
  font-weight: 600;
}
.link-button {
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
}
html[data-theme='light'] .forgot-link { color: var(--purple); }
.forgot-link:hover { text-decoration: underline; }

.input-glass-wrap {
  position: relative;
  display: flex;
  align-items: center;
  height: 48px;
  border: 1px solid var(--slot-border);
  border-radius: 12px;
  background: var(--slot-bg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.input-glass-wrap:focus-within {
  border-color: var(--purple-light);
  box-shadow: 0 0 0 3px rgba(140, 82, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  background: var(--glass-bg-hover);
}

html[data-theme='light'] .input-glass-wrap:focus-within {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(140, 82, 255, 0.18);
}

.input-icon {
  width: 17px;
  height: 17px;
  margin-left: 14px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color 0.2s ease;
}

.input-glass-wrap:focus-within .input-icon {
  color: var(--purple-light);
}
html[data-theme='light'] .input-glass-wrap:focus-within .input-icon { color: var(--purple); }

.input-glass-wrap input {
  width: 100%;
  height: 100%;
  padding: 0 14px 0 10px;
  background: transparent;
  border: 0;
  outline: none;
  font-size: 14px;
  color: var(--text);
}

.input-glass-wrap input::placeholder { color: var(--text-faint); font-size: 13px; }

.auth-form-msg {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.5;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  animation: shake 0.3s ease;
}

.auth-form-msg.is-success {
  color: #86efac;
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.32);
  animation: none;
}

html[data-theme='light'] .auth-form-msg.is-success {
  color: #15803d;
  background: rgba(34, 197, 94, 0.08);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

html[data-theme='light'] .auth-form-msg {
  color: #dc2626;
  background: rgba(239, 68, 68, 0.08);
}

.auth-submit-btn {
  height: 48px;
  font-size: 15px;
  margin-top: 4px;
  border-radius: 12px;
}

/* 分割线与第三方登录区域 */
.oauth-divider {
  position: relative;
  text-align: center;
  margin: 22px 0 16px;
}

.oauth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--glass-border);
  z-index: 0;
}

.oauth-divider span {
  position: relative;
  z-index: 1;
  padding: 0 12px;
  background: #0d0f18;
  color: var(--text-faint);
  font-size: 11px;
  font-weight: 600;
}

html[data-theme='light'] .oauth-divider span { background: #ffffff; }

.qq-oauth-btn {
  width: 100%;
  height: 46px;
  border-radius: 12px;
  border: 1px solid rgba(18, 183, 245, 0.3);
  background: rgba(18, 183, 245, 0.08);
  color: var(--qq-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.qq-icon-pill {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--qq-blue);
  color: #ffffff;
  display: grid;
  place-items: center;
}

.qq-icon-pill .qq-icon {
  width: 16px;
  height: 16px;
}

.qq-oauth-btn:hover {
  background: var(--qq-blue);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(18, 183, 245, 0.45);
  transform: translateY(-1px);
}

.qq-oauth-btn:hover .qq-icon-pill {
  background: #ffffff;
  color: var(--qq-blue);
}

/* 快捷免密视图英雄区 */
.quick-login-hero {
  text-align: center;
  padding: 10px 0 6px;
}

.quick-hero-bubble {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(18, 183, 245, 0.25) 0%, rgba(18, 183, 245, 0.08) 100%);
  border: 1px solid rgba(18, 183, 245, 0.4);
  display: grid;
  place-items: center;
  box-shadow: 0 0 28px rgba(18, 183, 245, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  animation: widgetFloat 3.5s ease-in-out infinite alternate;
}

.quick-qq-big {
  width: 38px;
  height: 38px;
  color: var(--qq-blue);
}

.quick-login-hero h4 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
}

.quick-login-hero p {
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.qq-direct-launch-btn {
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #12b7f5 0%, #0284c7 100%);
  box-shadow: 0 4px 18px rgba(18, 183, 245, 0.4);
}
.qq-direct-launch-btn:hover {
  box-shadow: 0 8px 28px rgba(18, 183, 245, 0.55);
}

/* 底部提示 */
.auth-modal-footer {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-faint);
}

.auth-switch-link {
  border: 0;
  background: none;
  color: var(--purple-light);
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}
html[data-theme='light'] .auth-switch-link { color: var(--purple); }
.auth-switch-link:hover { text-decoration: underline; }

/* 购买确认弹窗样式 */
.purchase-product-summary {
  padding: 18px 22px;
  border: 1px solid var(--slot-border);
  border-radius: 16px;
  background: var(--slot-bg);
  margin-bottom: 20px;
}

.purchase-item-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.item-name { font-size: 16px; font-weight: 700; color: var(--text); }
.item-price { font-family: var(--font-mono); font-size: 26px; font-weight: 900; color: var(--purple-light); }
html[data-theme='light'] .item-price { color: var(--purple); }
.purchase-item-desc { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.payment-method-selector { margin-bottom: 20px; }
.payment-radios-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 6px;
}

.pay-radio-card {
  padding: 14px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: var(--slot-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}

.pay-radio-card input { display: none; }
.pay-radio-title { font-size: 13px; font-weight: 700; color: var(--text-secondary); }

.pay-radio-card.active, .pay-radio-card:hover {
  border-color: var(--purple-light);
  background: rgba(140, 82, 255, 0.14);
  box-shadow: 0 0 16px var(--purple-glow);
}
.pay-radio-card.active .pay-radio-title { color: var(--text); }

.payment-loading-text {
  grid-column: 1 / -1;
  padding: 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

/* 个人中心弹窗 (User Profile Modal) */
.user-profile-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
  text-align: left;
}

.user-avatar-wrap {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--slot-bg);
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 var(--glass-shine);
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}

.user-avatar-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.user-avatar-placeholder {
  width: 24px;
  height: 24px;
  color: var(--purple-light);
}

.user-status-dot {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--emerald);
  border: 2px solid var(--bg);
  box-shadow: 0 0 6px var(--emerald);
}

.user-profile-meta {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.user-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-name-row b {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-badge-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(140, 82, 255, 0.16);
  color: var(--purple-light);
  border: 1px solid rgba(140, 82, 255, 0.3);
}

.user-badge-tag.is-vip {
  background: linear-gradient(135deg, rgba(244, 63, 142, 0.25), rgba(140, 82, 255, 0.25));
  color: #f472b6;
  border-color: rgba(244, 63, 142, 0.4);
}

.user-account-id {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.user-membership-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--slot-bg);
  border: 1px solid var(--slot-border);
  margin-bottom: 22px;
  text-align: left;
}

.membership-info-col {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.membership-label {
  font-size: 11px;
  color: var(--text-faint);
  font-weight: 600;
}

.membership-info-col strong {
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
}

.membership-expire {
  font-size: 12px;
  color: var(--text-muted);
}

.user-upgrade-btn {
  padding: 0 16px;
  min-height: 36px;
  font-size: 13px;
  flex-shrink: 0;
}

.user-logout-btn {
  height: 44px;
  border-radius: 12px;
  gap: 8px;
  font-size: 14px;
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.2);
  background: rgba(248, 113, 113, 0.06);
}

.user-logout-btn:hover {
  background: rgba(248, 113, 113, 0.15);
  border-color: rgba(248, 113, 113, 0.4);
  color: #ef4444;
}

.logout-icon {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   滚动进场微动效 (Scroll Reveal)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}

/* ==========================================================================
   响应式断点系统 (Responsive Media Queries)
   ========================================================================== */
@media (max-width: 1140px) {
  .cluster-badge { display: none; }
  .hero-stage { grid-template-columns: 1fr; gap: 30px; }
  .cockpit-widget { display: none; }
  .bento-layout-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .bento-hero-card { grid-column: span 2; grid-row: auto; }
  .bento-vst-card { grid-column: span 2; }
  .proof-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .pipeline-track-grid { grid-template-columns: repeat(2, 1fr); }
  .tutorial-academy-grid, .pricing-matrix-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-matrix-grid { grid-template-columns: 1.5fr repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .desktop-nav, .nav-download { display: none; }
  .menu-toggle { display: grid; place-items: center; }
  .menu-toggle span { display: block; width: 18px; height: 2px; background: currentColor; margin-block: 2px; border-radius: 2px; }

  .mobile-menu {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    max-height: 0;
    overflow: hidden;
    background: color-mix(in srgb, var(--bg-elevated) 95%, transparent);
    backdrop-filter: blur(28px);
    border-bottom: 1px solid transparent;
    transition: max-height 0.35s ease, padding 0.35s ease, border-color 0.35s ease;
    box-shadow: var(--shadow-glass-hover);
  }

  .mobile-menu.open {
    max-height: 480px;
    padding: 24px 32px;
    border-bottom-color: var(--glass-border-hover);
  }

  .mobile-menu a {
    padding: 12px 0;
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 600;
  }

  .mobile-menu-actions {
    display: grid;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
  }
}

@media (max-width: 720px) {
  :root { --header-height: 64px; }
  .shell { width: min(100% - 32px, 1200px); }
  
  .hero-section { padding-block: 36px 60px; }
  .hero-title { font-size: 36px; }
  .hero-description { font-size: 15px; }
  .hero-cta-group { flex-direction: column; align-items: stretch; width: 100%; }
  .hero-cta-group > * { width: 100%; }
  
  .hero-highlights { gap: 12px; }
  .cockpit-window { transform: none !important; border-radius: var(--radius-md); }

  .proof-cards-grid { grid-template-columns: 1fr; }
  .section { padding-block: 60px; }
  .section-header-split { flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 36px; }
  .section-header-compact { margin-bottom: 36px; }

  .pipeline-track-grid { grid-template-columns: 1fr; }
  .bento-layout-grid { grid-template-columns: 1fr; }
  .bento-card, .bento-hero-card, .bento-vst-card { grid-column: auto; min-height: auto; padding: 24px; }

  .gallery-immersive-grid, .tutorial-academy-grid, .pricing-matrix-grid { grid-template-columns: 1fr; }
  .featured-master { grid-column: auto; }

  .audio-track-card { grid-template-columns: 50px 1fr 36px; padding: 10px 14px; gap: 12px; }
  .track-vinyl-cover { width: 50px; height: 50px; }
  .track-dynamic-bars { display: none; }

  .heroic-cta-box { padding: 40px 20px; }
  .footer-matrix-grid { grid-template-columns: 1fr 1fr; gap: 36px 20px; }
  .footer-brand-col { grid-column: span 2; }
  .footer-bottom-bar { flex-direction: column; gap: 8px; }

  .audio-dock-inner { grid-template-columns: 40px 1fr 26px; gap: 10px; padding: 8px 14px; }
  .dock-progress-wrapper, .dock-time-display { display: none; }
  .auth-modal-card { padding: 28px 20px; }
}

@media (max-width: 420px) {
  .hero-title { font-size: 30px; }
  .footer-matrix-grid { grid-template-columns: 1fr; }
  .footer-brand-col { grid-column: auto; }
}

/* ==========================================================================
   18. 独立个人中心页面系统 (Dedicated Account Dashboard Page System)
   ========================================================================== */
.account-page-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.account-page-body .reveal,
.account-page-body .glass-card,
.account-page-body .account-section-card,
.account-page-body .profile-hero-banner,
.account-page-body .bento-account-card {
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
}

.account-header .header-left-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.account-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}

.crumb-sep { color: var(--text-faint); }
.crumb-current { color: var(--text); }

.account-main-shell {
  flex: 1;
  padding-block: 40px 80px;
}

.unauth-guard-box {
  max-width: 520px;
  margin: 60px auto;
  padding: 48px 36px;
  text-align: center;
}

.guard-icon-bubble {
  font-size: 42px;
  margin-bottom: 16px;
}

.unauth-guard-box h2 {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: 800;
}

.unauth-guard-box p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.guard-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
}

/* 巨幕 Profile 个人主控台头部 */
.profile-hero-banner {
  position: relative;
  overflow: hidden;
  padding: 36px 40px;
  margin-bottom: 28px;
}

.profile-ambient-light {
  position: absolute;
  top: -40%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.profile-hero-layout {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 28px;
}

.avatar-interactive-wrap {
  position: relative;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--slot-bg);
  border: 2px solid var(--glass-border);
  box-shadow: inset 0 1px 0 var(--glass-shine), 0 8px 24px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  overflow: hidden;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.avatar-interactive-wrap:hover {
  transform: scale(1.04);
  border-color: var(--purple-light);
}

.avatar-interactive-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.avatar-placeholder-glow svg {
  width: 38px;
  height: 38px;
  color: var(--purple-light);
}

.avatar-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.avatar-hover-overlay svg {
  width: 20px;
  height: 20px;
}

.avatar-interactive-wrap:hover .avatar-hover-overlay {
  opacity: 1;
}

.user-live-indicator {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--emerald);
  border: 3px solid var(--bg);
  box-shadow: 0 0 8px var(--emerald);
}

.profile-meta-block {
  flex: 1;
  display: grid;
  gap: 12px;
}

.meta-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.profile-name {
  margin: 0;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text);
}

.icon-button-sm {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--slot-bg);
  color: var(--text-muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-button-sm svg { width: 14px; height: 14px; }
.icon-button-sm:hover { color: var(--text); background: var(--glass-bg-hover); border-color: var(--purple-light); }

.vip-status-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 8px;
  background: var(--slot-chip-bg);
  color: var(--text-muted);
  border: 1px solid var(--glass-border);
  letter-spacing: 0.08em;
}

.vip-status-badge.is-vip {
  background: linear-gradient(135deg, rgba(244, 63, 142, 0.22) 0%, rgba(140, 82, 255, 0.22) 100%);
  color: #f472b6;
  border-color: rgba(244, 63, 142, 0.4);
  box-shadow: 0 0 14px var(--pink-glow);
}

.meta-details-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

.detail-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.detail-item strong {
  font-family: var(--font-mono);
  color: var(--text);
  font-weight: 700;
}

.detail-item-sep {
  width: 1px;
  height: 12px;
  background: var(--glass-border);
}

/* Bento 栅格双卡 */
.account-bento-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.bento-account-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card-ambient-glow {
  position: absolute;
  top: -20%;
  left: 30%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.vault-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.vault-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 20px;
  background: var(--slot-bg);
  border: 1px solid var(--slot-border);
}

.vault-title-group { display: grid; gap: 2px; }
.vault-tag { font-family: var(--font-mono); font-size: 11px; font-weight: 800; color: var(--purple-light); letter-spacing: 0.1em; }
html[data-theme='light'] .vault-tag { color: var(--purple); }
.vault-title-group h2 { margin: 0; font-size: 20px; font-weight: 800; color: var(--text); }

.expire-highlight-box {
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--slot-bg);
  border: 1px solid var(--slot-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.expire-label { font-size: 12px; color: var(--text-muted); font-weight: 600; }
.expire-highlight-box strong { font-size: 14px; font-weight: 700; color: var(--text); }

.vault-privilege-list {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.privilege-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}

.privilege-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald);
  font-size: 11px;
  font-weight: 800;
  font-style: normal;
}

.vault-footer-actions { margin-top: auto; }
.vault-cta-btn { height: 46px; font-size: 14px; border-radius: 12px; }

/* 算力点数卡片 */
.points-metric-container {
  padding: 18px 0 10px;
  position: relative;
  z-index: 1;
}

.points-display-box {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
}

.points-huge-number {
  font-family: var(--font-mono);
  font-size: 52px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #ffffff 0%, var(--purple-light) 60%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

html[data-theme='light'] .points-huge-number {
  background: linear-gradient(135deg, #0f172a 0%, var(--purple) 60%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.points-unit {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-faint);
}

.points-desc-text {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.points-status-meter {
  margin: 18px 0 24px;
  display: grid;
  gap: 8px;
}

.meter-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.meter-bar-track {
  height: 6px;
  border-radius: 6px;
  background: var(--slot-fader-track);
  overflow: hidden;
}

.meter-bar-track i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--purple-light), var(--emerald));
  border-radius: 6px;
}

/* 订单与账单卡片与通用卡片规范 */
.account-section-card {
  padding: 34px;
  margin-bottom: 28px;
}

.section-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}

.section-title-wrap { display: grid; gap: 4px; }
.section-sub-tag { font-family: var(--font-mono); font-size: 11px; font-weight: 800; color: var(--purple-light); letter-spacing: 0.12em; text-transform: uppercase; }
html[data-theme='light'] .section-sub-tag { color: var(--purple); }
.section-title-wrap h2 { margin: 0; font-size: 20px; font-weight: 800; color: var(--text); }

.orders-table-wrapper {
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid var(--slot-border);
  background: var(--slot-bg);
}

.glass-data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.glass-data-table th {
  padding: 14px 18px;
  font-weight: 700;
  color: var(--text-muted);
  font-size: 12px;
  border-bottom: 1px solid var(--slot-border);
  background: rgba(255, 255, 255, 0.02);
  white-space: nowrap;
}

.glass-data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--slot-border);
  color: var(--text);
  white-space: nowrap;
}

.glass-data-table tbody tr:last-child td {
  border-bottom: 0;
}

.glass-data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.order-no-cell code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--purple-light);
}
html[data-theme='light'] .order-no-cell code { color: var(--purple); }

.money-cell strong { font-family: var(--font-mono); font-size: 15px; }
.time-cell { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }

.status-pill {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  background: var(--slot-chip-bg);
  color: var(--text-muted);
}

.status-paid { background: rgba(16, 185, 129, 0.15); color: var(--emerald); border: 1px solid rgba(16, 185, 129, 0.3); }
.status-pending { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.status-closed { background: rgba(148, 163, 184, 0.12); color: #94a3b8; }
.status-failed { background: rgba(239, 68, 68, 0.15); color: #f87171; }

.table-action-btn {
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--glass-border);
  background: var(--slot-bg);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.table-action-btn.primary {
  background: var(--purple);
  border-color: transparent;
  color: #ffffff;
}

.table-action-btn.primary:hover {
  background: var(--purple-light);
}

.table-empty-row {
  text-align: center;
  padding: 48px 0 !important;
  color: var(--text-muted);
}

.empty-icon { font-size: 32px; display: block; margin-bottom: 8px; }

/* 账号安全卡片四宫格 */
.security-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.security-item-card {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.sec-item-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sec-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 18px;
  background: var(--slot-bg);
  border: 1px solid var(--slot-border);
}

.sec-icon-qq {
  background: var(--qq-blue);
  color: #ffffff;
}

.sec-info b { display: block; font-size: 14px; color: var(--text); margin-bottom: 2px; }
.sec-info span { font-size: 12px; color: var(--text-muted); }

.badge-status-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--emerald);
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.sec-action-btn {
  padding: 0 14px;
  min-height: 34px;
  font-size: 12px;
  flex-shrink: 0;
}

/* 换绑验证码行 */
.input-code-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.btn-send-code {
  height: 48px;
  padding: 0 16px;
  font-size: 13px;
  white-space: nowrap;
}

/* 个人中心响应式适配 */
@media (max-width: 900px) {
  .account-bento-grid { grid-template-columns: 1fr; }
  .security-cards-grid { grid-template-columns: 1fr; }
  .profile-hero-layout { flex-direction: column; text-align: center; }
  .meta-title-row { justify-content: center; }
  .meta-details-strip { justify-content: center; }
  .profile-hero-banner { padding: 28px 20px; }
}

@media (max-width: 600px) {
  .account-section-card { padding: 22px 16px; }
  .account-breadcrumb { display: none; }
}