/* 官网首页专属样式（电脑端）
   归属：cms 插件。只服务 theme-pc-fixed/index.html
   依赖：/static/frontend/css/tokens.css（唯一真源）、/static/frontend/css/pc.css（外壳与通用组件）
   首屏幻灯片、工具界面示意、交付清单、内容三栏、关于、底部联系区都在本文件 */

/* ---------- 首屏：工具幻灯片 ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 15px 0 0;
  background: linear-gradient(180deg, var(--lr-bg) 0%, var(--lr-bg-page) 100%);
}

/* 光斑层：随当前工具横向移动，只移动不换色 */
.hero::before {
  content: "";
  position: absolute;
  top: -240px;
  left: 50%;
  width: 900px;
  height: 500px;
  margin-left: -450px;
  pointer-events: none;
  /* 渐变取装饰色，不进令牌 */
  background: radial-gradient(closest-side, #dbe7ff 0%, rgba(219,231,255,0) 72%);
  transform: translateX(var(--glow-x, 300px));
  transition: transform .6s cubic-bezier(.22,.61,.36,1);
}
.hero[data-tool="1"] { --glow-x: -140px; }
.hero[data-tool="2"] { --glow-x: 20px; }
.hero[data-tool="3"] { --glow-x: 180px; }
.hero[data-tool="4"] { --glow-x: 340px; }

.hero > .wrap {
  position: relative;
  z-index: 1;
}

.slider {
  --slide-in: var(--lr-space-9);
  --slide-out: calc(var(--lr-space-9) * -1);
  padding-bottom: var(--lr-space-9);
}
.slider[data-dir="prev"] {
  --slide-in: calc(var(--lr-space-9) * -1);
  --slide-out: var(--lr-space-9);
}

.slider-track {
  display: grid;
  min-height: 420px;
}

/* 首页幻灯片面板，限定在 slider-track 内，避免与工作台的 .panel 同名互相影响 */
.slider-track .panel {
  grid-area: 1 / 1;
  display: grid;
  grid-template-columns: 520px 1fr;
  gap: var(--lr-space-9);
  align-items: center;
  opacity: 0;
  visibility: hidden;
  filter: blur(2px);
  transform: translateX(var(--slide-in)) scale(1.02);
  transition: opacity .42s ease, visibility .42s, transform .52s var(--lr-ease-enter), filter .42s ease;
}
.slider-track .panel.is-leaving {
  transform: translateX(var(--slide-out)) scale(.96);
}
.slider-track .panel.is-active {
  opacity: 1;
  visibility: visible;
  filter: blur(0);
  transform: translateX(0) scale(1);
}

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

.panel-index {
  display: flex;
  align-items: baseline;
  gap: var(--lr-space-2);
  font-variant-numeric: tabular-nums;
}
.panel-index-now {
  font-size: var(--lr-text-xl);
  font-weight: var(--lr-weight-strong);
  color: var(--lr-accent);
}
.panel-index-all {
  font-size: var(--lr-text-sm);
  color: var(--lr-text-muted);
}

.slider-track .panel-title {
  margin-top: var(--lr-space-2);
  font-size: var(--lr-text-2xl);
  font-weight: var(--lr-weight-strong);
  line-height: var(--lr-leading-snug);
  letter-spacing: var(--lr-tracking-tight);
}

.panel-tags {
  display: flex;
  align-items: center;
  gap: var(--lr-space-2);
  margin-top: var(--lr-space-3);
}
.tag {
  padding: 2px var(--lr-space-2);
  background: var(--lr-accent-soft);
  border-radius: var(--lr-radius-sm);
  font-size: var(--lr-text-xs);
  color: var(--lr-accent);
}
.panel-scene {
  font-size: var(--lr-text-xs);
  color: var(--lr-text-muted);
}

.panel-desc {
  margin-top: var(--lr-space-3);
  font-size: var(--lr-text-base);
  line-height: var(--lr-leading-read);
  color: var(--lr-text-secondary);
}

.panel-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--lr-space-2) var(--lr-space-6);
  margin-top: var(--lr-space-6);
  padding-top: var(--lr-space-6);
  border-top: 1px dashed var(--lr-border);
}
.panel-points li {
  position: relative;
  padding-left: 18px;
  font-size: var(--lr-text-sm);
  color: var(--lr-text-secondary);
}
.panel-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lr-accent-border);
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: var(--lr-space-4);
  margin-top: var(--lr-space-7);
}
.panel-price {
  display: flex;
  align-items: baseline;
  gap: var(--lr-space-3);
  margin-right: var(--lr-space-2);
}
.price-num {
  font-size: var(--lr-text-2xl);
  font-weight: var(--lr-weight-strong);
  line-height: var(--lr-leading-tight);
  color: var(--lr-text);
  font-variant-numeric: tabular-nums;
}
.price-num small {
  margin-left: 2px;
  font-size: var(--lr-text-base);
}
.price-note {
  padding-left: var(--lr-space-3);
  border-left: 1px solid var(--lr-border);
  font-size: var(--lr-text-xs);
  color: var(--lr-text-muted);
}
.panel-sell {
  padding: 1px var(--lr-space-3) 2px;
  background: var(--lr-accent-soft);
  border: 1px solid var(--lr-accent-border);
  border-radius: var(--lr-radius-sm);
  font-size: var(--lr-text-xs);
  font-weight: var(--lr-weight-strong);
  letter-spacing: .5px;
  white-space: nowrap;
  color: var(--lr-accent);
}

.panel-shot { min-width: 0; }

/* ---------- 工具界面示意 ---------- */

.app {
  background: var(--lr-bg-raised);
  border: 1px solid var(--lr-border);
  border-radius: var(--lr-radius-xl);
  box-shadow: var(--lr-shadow-overlay);
  overflow: hidden;
}

.app-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 var(--lr-space-4);
  background: var(--lr-bg-sunken);
  border-bottom: 1px solid var(--lr-border);
}
.app-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lr-border-strong);
}
.app-title {
  margin-left: var(--lr-space-2);
  font-size: var(--lr-text-xs);
  color: var(--lr-text-muted);
}
.app-bar-note {
  width: 76px;
  height: 12px;
  margin-left: auto;
  border-radius: var(--lr-radius-sm);
  background: var(--lr-border-subtle);
}

/* app-body-novel、app-body-write、app-body-music 沿用横向双栏 */
.app-body {
  height: 330px;
  display: flex;
}
.app-body-comic { flex-direction: column; }

.app-tree {
  flex: 0 0 152px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--lr-space-6) var(--lr-space-4);
  background: var(--lr-bg-sunken);
  border-right: 1px solid var(--lr-border);
}
.app-tree-item {
  height: 12px;
  border-radius: var(--lr-radius-sm);
  background: var(--lr-border);
}
.app-tree-item.is-on {
  background: var(--lr-accent-border);
  box-shadow: inset 3px 0 0 var(--lr-accent);
}

.app-form {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  gap: var(--lr-space-3);
  padding: var(--lr-space-6);
  background: var(--lr-bg-sunken);
  border-right: 1px solid var(--lr-border);
}

.app-doc {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--lr-space-6);
  min-width: 0;
}

.app-line {
  height: 10px;
  border-radius: var(--lr-radius-sm);
  background: var(--lr-border-subtle);
}
.app-line.is-short { width: 62%; }
.app-line-title {
  height: 16px;
  width: 46%;
  background: var(--lr-border-strong);
}

.app-foot {
  display: flex;
  gap: var(--lr-space-2);
  margin-top: auto;
}
.app-chip {
  width: 64px;
  height: 22px;
  border-radius: var(--lr-radius-md);
  background: var(--lr-bg-sunken);
  border: 1px solid var(--lr-border);
}
.app-chip.is-solid {
  width: 84px;
  background: var(--lr-accent);
  border-color: var(--lr-accent);
}

.app-form-foot {
  display: flex;
  gap: var(--lr-space-2);
  margin-top: auto;
}

.app-field {
  height: 34px;
  border-radius: var(--lr-radius-md);
  background: var(--lr-bg-raised);
  border: 1px solid var(--lr-border);
}
.app-field.is-tall { height: 68px; }

.app-tabs {
  display: flex;
  gap: var(--lr-space-2);
  margin-bottom: var(--lr-space-1);
}
.app-tab {
  width: 52px;
  height: 22px;
  border-radius: var(--lr-radius-sm);
  background: var(--lr-border-subtle);
}
.app-tab.is-on { background: var(--lr-accent); }

.app-steps {
  display: flex;
  gap: var(--lr-space-2);
  padding: var(--lr-space-6) var(--lr-space-6) 0;
}
.app-step {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--lr-border-subtle);
}
.app-step.is-done { background: var(--lr-accent-border); }
.app-step.is-on { background: var(--lr-accent); }

.app-comic {
  display: flex;
  flex: 1;
  min-height: 0;
  padding-top: var(--lr-space-4);
}

.app-shots {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
  gap: var(--lr-space-3);
  padding: var(--lr-space-6);
}
.app-shot {
  border-radius: var(--lr-radius-md);
  background: var(--lr-border-subtle);
  border: 1px solid var(--lr-border);
}
.app-shot.is-on {
  background: var(--lr-accent-soft);
  border-color: var(--lr-accent-border);
}

.app-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 62px;
  margin-bottom: var(--lr-space-2);
}
.app-bar-seg {
  flex: 1;
  height: 100%;
  border-radius: 3px;
  background: var(--lr-border-subtle);
  transform-origin: bottom;
  transform: scaleY(.34);
}
.app-bar-seg.is-on {
  background: var(--lr-accent-border);
  transform: scaleY(1);
}

.app-caret {
  width: 2px;
  height: 14px;
  background: var(--lr-accent);
  opacity: 0;
}

/* ---------- 示意内部动效：只在当前屏运行 ---------- */

.app-line,
.app-line-title { transform-origin: left; }

.panel.is-active .app-line-title,
.panel.is-active .app-line {
  animation: line-grow .5s var(--lr-ease-enter) both;
}
.app-doc .app-line:nth-child(2) { animation-delay: .08s; }
.app-doc .app-line:nth-child(3) { animation-delay: .17s; }
.app-doc .app-line:nth-child(4) { animation-delay: .26s; }
.app-doc .app-line:nth-child(5) { animation-delay: .35s; }
.app-doc .app-line:nth-child(6) { animation-delay: .44s; }
.app-doc .app-line:nth-child(7) { animation-delay: .53s; }
.app-doc .app-line:nth-child(8) { animation-delay: .62s; }

@keyframes line-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.panel.is-active .app-caret {
  animation: caret-blink 1s steps(2, jump-none) infinite;
  animation-delay: .8s;
}

@keyframes caret-blink {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* 小说：章节树高亮条逐项下移 */
.panel.is-active .app-tree-item {
  animation: tree-sweep 6s linear infinite;
}
.app-tree-item:nth-child(4n+1) { animation-delay: 0s; }
.app-tree-item:nth-child(4n+2) { animation-delay: 1.5s; }
.app-tree-item:nth-child(4n+3) { animation-delay: 3s; }
.app-tree-item:nth-child(4n+4) { animation-delay: 4.5s; }

@keyframes tree-sweep {
  0%, 12% {
    background: var(--lr-accent-border);
    box-shadow: inset 3px 0 0 var(--lr-accent);
  }
  12.01%, 100% {
    background: var(--lr-border);
    box-shadow: none;
  }
}

/* 写作：四个页签轮流高亮 */
.panel.is-active .app-tab {
  animation: tab-sweep 4s linear infinite;
}
.app-tab:nth-child(1) { animation-delay: 0s; }
.app-tab:nth-child(2) { animation-delay: 1s; }
.app-tab:nth-child(3) { animation-delay: 2s; }
.app-tab:nth-child(4) { animation-delay: 3s; }

@keyframes tab-sweep {
  0%, 22% { background: var(--lr-accent); }
  22.01%, 100% { background: var(--lr-border-subtle); }
}

/* 漫剧：步骤条推进、分镜格依次点亮 */
.panel.is-active .app-step.is-on {
  animation: step-fill 5s linear both;
}
.app-step { transform-origin: left; }

@keyframes step-fill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.panel.is-active .app-shot {
  animation: shot-light 2.4s linear infinite;
}
.app-shot:nth-child(3n+1) { animation-delay: 0s; }
.app-shot:nth-child(3n+2) { animation-delay: .4s; }
.app-shot:nth-child(3n+3) { animation-delay: .8s; }

@keyframes shot-light {
  0%, 14% {
    background: var(--lr-accent-soft);
    border-color: var(--lr-accent-border);
  }
  14.01%, 100% {
    background: var(--lr-border-subtle);
    border-color: var(--lr-border);
  }
}

/* 音乐：段落条起伏 */
.panel.is-active .app-bar-seg { animation: eq-low 1.6s ease-in-out infinite; }
.panel.is-active .app-bar-seg.is-on { animation: eq-high 1.6s ease-in-out infinite; }
.app-bar-seg:nth-child(4n+1) { animation-delay: 0s; }
.app-bar-seg:nth-child(4n+2) { animation-delay: .2s; }
.app-bar-seg:nth-child(4n+3) { animation-delay: .4s; }
.app-bar-seg:nth-child(4n+4) { animation-delay: .6s; }

@keyframes eq-low {
  0%, 100% { transform: scaleY(.34); }
  50% { transform: scaleY(.62); }
}

@keyframes eq-high {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(.52); }
}

/* ---------- 幻灯片切换条 ---------- */

.slider-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--lr-space-6);
  margin-top: var(--lr-space-7);
}

.slider-tab {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  min-height: var(--lr-hit-min);
}

.slider-tab-head {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: var(--lr-space-2);
  padding-bottom: var(--lr-space-3);
}
.slider-tab-no {
  font-size: var(--lr-text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--lr-text-muted);
  transition: color var(--lr-dur-fast);
}
.slider-tab-name {
  font-size: var(--lr-text-base);
  color: var(--lr-text-muted);
  transition: color var(--lr-dur-fast);
}
.slider-tab:hover .slider-tab-name { color: var(--lr-text-secondary); }

.slider-tab-bar {
  display: block;
  height: 3px;
  border-radius: var(--lr-radius-xs);
  background: var(--lr-border);
  overflow: hidden;
}
.slider-tab-fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: var(--lr-radius-xs);
  background: var(--lr-accent);
}
.slider-tab.is-active .slider-tab-no,
.slider-tab.is-active .slider-tab-name {
  color: var(--lr-text);
}
.slider-tab.is-active .slider-tab-name { font-weight: var(--lr-weight-strong); }
.slider-tab.is-active .slider-tab-fill {
  animation: slide-progress var(--lr-dur-slide) linear forwards;
}
.slider.is-paused .slider-tab.is-active .slider-tab-fill {
  animation-play-state: paused;
}
.slider-tab.is-seen .slider-tab-fill {
  width: 100%;
  background: var(--lr-accent-border);
}

@keyframes slide-progress {
  from { width: 0; }
  to { width: 100%; }
}

.slider-tab.is-active .slider-tab-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: var(--lr-radius-xs);
  background: var(--lr-accent);
  animation: tab-line var(--lr-dur-slide) linear forwards;
}
.slider.is-paused .slider-tab.is-active .slider-tab-head::after {
  animation-play-state: paused;
}

@keyframes tab-line {
  from { width: 0; }
  to { width: 100%; }
}

/* ---------- 交付清单 ---------- */

.delivery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--lr-space-6);
}

.delivery {
  padding: var(--lr-space-6);
  background: var(--lr-bg-sunken);
  border: 1px solid var(--lr-border);
  border-radius: var(--lr-radius-xl);
  transition: border-color .2s;
}
.delivery:hover { border-color: var(--lr-accent-border); }

.delivery-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--lr-hit-default);
  height: var(--lr-hit-default);
  background: var(--lr-accent-soft);
  border-radius: var(--lr-radius-md);
  color: var(--lr-accent);
}

.delivery-name {
  margin-top: var(--lr-space-4);
  font-size: var(--lr-text-base);
  font-weight: var(--lr-weight-strong);
}

.delivery-desc {
  margin-top: var(--lr-space-2);
  font-size: var(--lr-text-sm);
  line-height: var(--lr-leading-read);
  color: var(--lr-text-secondary);
}

/* ---------- 教程、调研报告与经验 ---------- */

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--lr-space-6);
}

.content-col {
  padding: var(--lr-space-7);
  background: var(--lr-bg-raised);
  border: 1px solid var(--lr-border);
  border-radius: var(--lr-radius-xl);
  transition: border-color .2s, box-shadow .2s;
}
.content-col:hover {
  border-color: var(--lr-accent-border);
  box-shadow: var(--lr-shadow-accent);
}

.content-col-head {
  padding-bottom: var(--lr-space-3);
  border-bottom: 1px solid var(--lr-border);
}
.content-col-title {
  font-size: var(--lr-text-xl);
  font-weight: var(--lr-weight-strong);
}

.post-list { margin-top: var(--lr-space-2); }
.post + .post { border-top: 1px solid var(--lr-border); }

.post-link {
  display: block;
  padding: var(--lr-space-4) 0;
}
.post-title {
  font-size: var(--lr-text-base);
  font-weight: 500;
  line-height: var(--lr-leading-normal);
  transition: color var(--lr-dur-fast);
}
.post-link:hover .post-title { color: var(--lr-accent); }

.post-meta {
  display: flex;
  gap: var(--lr-space-4);
  margin-top: var(--lr-space-2);
  font-size: var(--lr-text-xs);
  color: var(--lr-text-muted);
}

/* ---------- 关于 ---------- */

.about-inner {
  display: grid;
  grid-template-columns: 640px 1fr;
  gap: var(--lr-space-10);
  align-items: center;
}

/* about-copy 是栅格左列，无额外样式 */
.about-text {
  margin-top: var(--lr-space-4);
  font-size: var(--lr-text-base);
  line-height: 1.9;
  color: var(--lr-text-secondary);
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: var(--lr-space-2);
  margin-top: var(--lr-space-6);
}
.about-list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--lr-text-sm);
  color: var(--lr-text-secondary);
}
.about-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--lr-success);
  border-bottom: 2px solid var(--lr-success);
  transform: rotate(-45deg);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--lr-space-6);
}

.stat {
  padding: var(--lr-space-6);
  background: var(--lr-bg-sunken);
  border: 1px solid var(--lr-border);
  border-radius: var(--lr-radius-xl);
}
.stat-num {
  display: block;
  font-size: var(--lr-text-3xl);
  font-weight: var(--lr-weight-strong);
  line-height: var(--lr-leading-tight);
  color: var(--lr-accent);
  font-variant-numeric: tabular-nums;
}
.stat-label {
  display: block;
  margin-top: var(--lr-space-2);
  font-size: var(--lr-text-sm);
  color: var(--lr-text-secondary);
}

/* ---------- 底部联系区 ---------- */

/* 联系区渐变是装饰底，不进令牌 */
.cta {
  background: linear-gradient(120deg, #1e50e8 0%, #2f6ff0 26%, #4f8ffb 50%, #2f6ff0 74%, #1e50e8 100%);
  background-size: 220% 100%;
  animation: cta-flow 14s linear infinite;
  color: var(--lr-text-inverse);
}

@keyframes cta-flow {
  from { background-position: 0% 50%; }
  to { background-position: 100% 50%; }
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--lr-space-7);
  padding: var(--lr-space-10) 0;
}
.cta-title {
  font-size: var(--lr-text-2xl);
  font-weight: var(--lr-weight-strong);
}
.cta-desc {
  margin-top: var(--lr-space-2);
  font-size: var(--lr-text-base);
  color: rgba(255,255,255,.82);
}
.cta-actions {
  display: flex;
  gap: var(--lr-space-4);
  flex: 0 0 auto;
}

/* ---------- 偏好设置 ---------- */

/* tokens.css 已给出全局降动效，这里只补首页组件需要的静态终值 */
@media (prefers-reduced-motion: reduce) {
  .slider-track .panel,
  .slider-track .panel.is-leaving { transform: none; filter: none; }
  .slider-tab.is-active .slider-tab-fill { width: 100%; }
  .slider-tab.is-active .slider-tab-head::after { width: 100%; }
  .app-tree-item.is-on {
    background: var(--lr-accent-border);
    box-shadow: inset 3px 0 0 var(--lr-accent);
  }
  .app-bar-seg { transform: scaleY(.34); }
  .app-bar-seg.is-on { transform: scaleY(1); }
  .app-caret { opacity: 1; }
}