/* Essay AI · 高考作文训练工作台 · scoped to .essay-ai-root
   基于 yulai-home.css 设计系统，统一视觉风格 */

.essay-ai-root {
  /* 配色系统 - hex fallback first, OKLCH enhancement below */
  --bg: #f9f5f0;
  --bg-2: #f4f0e9;
  --bg-3: #efeae2;
  --ink: #1f1915;
  --ink-2: #423c37;
  --ink-3: #76706c;
  --ink-4: #a8a3a0;
  --line: #d3cec8;
  --line-2: #e5e0da;
  --accent: #bf6e3e;
  --accent-soft: rgba(191, 110, 62, 0.12);
  --cool: #496973;
  --warn: #b54c3d;
  --safe: #537d5c;

  /* 字体系统 - 宋体感 + 克制 */
  --serif: 'Noto Serif SC', 'Songti SC', serif;
  --sans: 'Inter', 'PingFang SC', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

@supports (color: oklch(0.5 0 0)) {
  .essay-ai-root {
    --bg: oklch(0.972 0.008 80);
    --bg-2: oklch(0.955 0.01 80);
    --bg-3: oklch(0.94 0.012 80);
    --ink: oklch(0.22 0.012 60);
    --ink-2: oklch(0.36 0.012 60);
    --ink-3: oklch(0.55 0.01 60);
    --ink-4: oklch(0.72 0.008 60);
    --line: oklch(0.86 0.01 70);
    --line-2: oklch(0.91 0.008 70);
    --accent: oklch(0.62 0.12 50);
    --accent-soft: oklch(0.62 0.12 50 / 0.12);
    --cool: oklch(0.5 0.04 220);
    --warn: oklch(0.55 0.14 30);
    --safe: oklch(0.55 0.07 150);
  }
}

.essay-ai-root * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.essay-ai-root a {
  color: inherit;
  text-decoration: none;
}

.essay-ai-root button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

.essay-product-nav-shell {
  --bg: #f9f5f0;
  --ink: #1f1915;
  --ink-2: #423c37;
  --ink-3: #76706c;
  --line: #d3cec8;
  --line-2: #e5e0da;
  --serif: 'Noto Serif SC', 'Songti SC', serif;
  --sans: 'Inter', 'PingFang SC', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
}

@supports (color: oklch(0.5 0 0)) {
  .essay-product-nav-shell {
    --bg: oklch(0.972 0.008 80);
    --ink: oklch(0.22 0.012 60);
    --ink-2: oklch(0.36 0.012 60);
    --ink-3: oklch(0.55 0.01 60);
    --line: oklch(0.86 0.01 70);
    --line-2: oklch(0.91 0.008 70);
  }
}

.essay-product-nav-shell * {
  box-sizing: border-box;
}

.essay-product-nav-shell a {
  color: inherit;
  text-decoration: none;
}

.essay-product-nav-shell button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

.essay-product-nav-shell .nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  background: rgba(249, 245, 240, 0.7);
  background: oklch(0.972 0.008 80 / 0.7);
  border-bottom: 1px solid var(--line-2);
}

.essay-product-nav-shell .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 56px;
}

.essay-product-nav-shell .brand {
  display: flex;
  align-items: center;
  min-width: 0;
  white-space: nowrap;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.essay-product-nav-shell .nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.essay-product-nav-shell .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.essay-product-nav-shell .btn-ghost {
  color: var(--ink-2);
}

.essay-product-nav-shell .btn-ghost:hover,
.essay-product-nav-shell .btn-ghost.is-active {
  color: var(--ink);
}

.essay-product-nav-shell .tu-nav-auth {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--ink-2);
  font-size: 13px;
  font-family: var(--serif);
  transition: color 0.2s ease;
}

.essay-product-nav-shell .tu-nav-auth:hover {
  color: var(--ink);
}

.essay-product-nav-shell .tu-nav-user-wrap {
  position: relative;
}

.essay-product-nav-shell .tu-nav-user {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 180px;
  padding: 7px 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-2);
  font-size: 12px;
  font-family: var(--serif);
  transition: all 0.2s ease;
}

.essay-product-nav-shell .tu-nav-user:hover {
  border-color: var(--ink-3);
  color: var(--ink);
}

.essay-product-nav-shell .tu-nav-user-loading {
  display: inline-block;
  width: 86px;
  height: 32px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.03);
}

.essay-product-nav-shell .tu-nav-user-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #bf6e3e;
  background: oklch(0.62 0.12 50);
}

.essay-product-nav-shell .tu-nav-user-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink);
  font-weight: 500;
}

.essay-product-nav-shell .tu-nav-user-caret {
  margin-left: 2px;
  color: var(--ink-3);
  font-size: 10px;
}

.essay-product-nav-shell .tu-nav-user-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 160px;
  padding: 6px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: #fdfcf8;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
}

.essay-product-nav-shell .tu-nav-user-item {
  display: block;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
  font-family: var(--serif);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.essay-product-nav-shell .tu-nav-user-item:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--ink);
}

.essay-product-nav-shell .tu-nav-user-item-danger {
  color: #b0553b;
}

.essay-product-nav-shell .tu-nav-user-item-danger:hover {
  background: rgba(217, 119, 87, 0.08);
  color: #b0553b;
}

/* 导航栏 */
.essay-ai-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  background: rgba(249, 245, 240, 0.7);
  background: oklch(0.972 0.008 80 / 0.7);
  border-bottom: 1px solid var(--line-2);
}

.essay-ai-nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  min-height: 64px;
}

.essay-ai-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--ink);
  transition: opacity 0.2s ease;
}

.essay-ai-brand:hover {
  opacity: 0.7;
}

.essay-ai-brand-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  font-size: 13px;
  font-family: var(--serif);
}

.essay-ai-nav-links {
  display: flex;
  gap: 6px;
  flex: 1;
}

.essay-ai-nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-2);
  border-radius: 999px;
  transition: all 0.2s;
}

.essay-ai-nav-link:hover {
  color: var(--ink);
  background: var(--bg-2);
}

.essay-ai-nav-link.active {
  color: white;
  background: var(--accent);
}

/* 容器 */
.essay-ai-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 32px;
}

/* 按钮系统 - 胶囊型 */
.essay-btn,
.essay-ai-root .essay-btn-primary,
.essay-ai-root .essay-btn-secondary,
.essay-ai-root .essay-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 999px;
  transition: all 0.25s ease;
  white-space: nowrap;
  border: none;
  cursor: pointer;
}

.essay-ai-root .essay-btn-primary {
  background: var(--ink)!important;
  color: #f9f5f0!important;
  -webkit-text-fill-color: #f9f5f0;
}

.essay-ai-root .essay-btn-primary:hover {
  background: var(--accent)!important;
  color: #f9f5f0!important;
  -webkit-text-fill-color: #f9f5f0;
  transform: translateY(-1px);
}

.essay-ai-root .essay-btn-secondary {
  background: transparent!important;
  color: var(--ink-2)!important;
  -webkit-text-fill-color: currentColor;
  border: 1px solid var(--line)!important;
}

.essay-ai-root .essay-btn-secondary:hover {
  color: var(--ink)!important;
  border-color: var(--ink-3)!important;
}

.essay-ai-root .essay-btn-ghost {
  background: transparent!important;
  color: var(--ink-2)!important;
  -webkit-text-fill-color: currentColor;
}

.essay-ai-root .essay-btn-ghost:hover {
  color: var(--accent)!important;
}

.essay-ai-root .essay-btn:disabled,
.essay-ai-root .essay-btn-primary:disabled,
.essay-ai-root .essay-btn-secondary:disabled,
.essay-ai-root .essay-btn-ghost:disabled {
  cursor: not-allowed;
  opacity: 0.52;
  transform: none;
}

/* 卡片系统 */
.essay-card {
  background: white;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 32px;
  transition: all 0.3s;
}

.essay-card:hover {
  border-color: var(--line);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.essay-card-compact {
  padding: 24px;
}

.essay-card-soft {
  background: var(--bg-2);
  border-color: var(--line-2);
}

/* 排版系统 */
.essay-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}

.essay-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.essay-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(32px, 3.4vw, 48px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin-bottom: 20px;
}

.essay-title-lg {
  font-size: clamp(40px, 4.4vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.essay-title-md {
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.3;
}

.essay-title-sm {
  font-size: 20px;
  line-height: 1.4;
}

.essay-lede {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 680px;
}

.essay-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.essay-caption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-3);
}

/* Hero 区域 */
.essay-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 64px;
}

.essay-hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.essay-hero-aside {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 32px;
}

/* 付费计划 */
.essay-pricing {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 28px;
  align-items: start;
  padding: 36px 0;
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}

.essay-pricing-copy {
  max-width: 660px;
}

.essay-pricing-plans {
  display: grid;
  gap: 14px;
}

.essay-pricing-plan {
  display: grid;
  grid-template-columns: minmax(84px, auto) minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-height: 86px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.essay-pricing-plan:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}

.essay-pricing-plan.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(191, 110, 62, 0.1), rgba(255, 255, 255, 0.86));
}

.essay-pricing-price {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink);
}

.essay-pricing-name {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-2);
}

.essay-pricing-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--ink);
  color: #f9f5f0;
  -webkit-text-fill-color: #f9f5f0;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

/* 作文支付页 */
.essay-ai-root .essay-checkout-container {
  max-width: 1080px;
  padding-top: 40px;
}

.essay-ai-root .essay-checkout-loading {
  display: grid;
  min-height: 320px;
  place-items: center;
  color: var(--ink-3);
  font-size: 15px;
}

.essay-ai-root .essay-checkout-back {
  margin-bottom: 22px;
}

.essay-ai-root .essay-checkout {
  display: grid;
  gap: 18px;
  max-width: 860px;
  margin: 0 auto 56px;
}

.essay-ai-root .essay-checkout-intro {
  max-width: 700px;
}

.essay-ai-root .essay-checkout-order,
.essay-ai-root .essay-checkout-panel {
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}

.essay-ai-root .essay-checkout-order {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  padding: 30px;
}

.essay-ai-root .essay-checkout-product {
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.essay-ai-root .essay-checkout-name {
  margin-bottom: 10px;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink);
}

.essay-ai-root .essay-checkout-amount {
  display: grid;
  justify-items: end;
  gap: 4px;
  min-width: 170px;
}

.essay-ai-root .essay-checkout-amount span {
  color: var(--ink-3);
  font-size: 13px;
}

.essay-ai-root .essay-checkout-amount strong {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
}

.essay-ai-root .essay-checkout-amount em {
  color: var(--safe);
  font-size: 12px;
  font-style: normal;
}

.essay-ai-root .essay-checkout-panel {
  padding: 24px 30px;
}

.essay-ai-root .essay-checkout-panel h3 {
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.essay-ai-root .essay-checkout-field-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.essay-ai-root .essay-checkout-channel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.essay-ai-root .essay-checkout-channel {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink-2);
  font-size: 14px;
  transition: all 0.2s ease;
}

.essay-ai-root .essay-checkout-channel:hover {
  border-color: var(--accent);
  color: var(--ink);
}

.essay-ai-root .essay-checkout-channel.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--ink);
  font-weight: 600;
}

.essay-ai-root .essay-checkout-pay {
  width: 100%;
  min-height: 48px;
}

.essay-ai-root .essay-checkout-error {
  margin-top: 10px;
  color: var(--warn);
  font-size: 13px;
  line-height: 1.6;
}

/* 网格布局 */
.essay-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.essay-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* 题目卡片 */
.essay-topic-card {
  background: white;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 280px;
  transition: all 0.3s;
}

.essay-topic-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.essay-topic-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.essay-topic-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
}

.essay-topic-excerpt {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
  flex: 1;
}

/* 样例卡片 */
.essay-sample-card {
  background: white;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.essay-sample-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-2);
}

.essay-sample-score {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  padding: 4px 10px;
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  background: var(--accent-soft);
}

.essay-sample-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.essay-sample-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.essay-sample-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.essay-sample-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.essay-ai-root .essay-samples-page {
  padding-bottom: 56px;
}

.essay-ai-root .essay-sample-question-card {
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(244, 240, 233, 0.64));
  padding: 28px 32px;
}

.essay-ai-root .essay-sample-question-text {
  display: grid;
  gap: 12px;
  max-width: 82ch;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.85;
}

.essay-ai-root .essay-sample-teaching-card {
  display: grid;
  gap: 8px;
}

.essay-ai-root .essay-sample-breakdowns {
  display: grid;
  gap: 18px;
}

.essay-ai-root .essay-sample-breakdown-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.45fr);
  gap: 24px;
  align-items: end;
  border-top: 1px solid var(--line-2);
  padding-top: 30px;
}

.essay-ai-root .essay-sample-breakdown-list {
  display: grid;
  gap: 14px;
}

.essay-ai-root .essay-sample-breakdown {
  display: grid;
  grid-template-columns: minmax(220px, 0.36fr) minmax(0, 1fr);
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  padding: 20px;
}

.essay-ai-root .essay-sample-breakdown-title {
  display: grid;
  align-content: start;
  gap: 12px;
}

.essay-ai-root .essay-sample-breakdown-title h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
}

.essay-ai-root .sample-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.essay-ai-root .sample-meta span {
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--ink-3);
  padding: 5px 9px;
  font-size: 12px;
  line-height: 1.2;
}

.essay-ai-root .breakdown-grid {
  display: grid;
  gap: 10px;
}

.essay-ai-root .breakdown-item {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: white;
  padding: 14px;
}

.essay-ai-root .breakdown-item strong {
  color: var(--accent);
  font-size: 14px;
  line-height: 1.65;
}

.essay-ai-root .breakdown-item p {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.72;
}

/* 表单元素 */
.essay-input,
.essay-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  background: white;
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: all 0.2s;
}

.essay-input:focus,
.essay-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.essay-textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--sans);
}

/* 标签 */
.essay-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--bg-2);
}

.essay-tag-accent {
  color: var(--accent);
  border-color: var(--accent-soft);
  background: var(--accent-soft);
}

/* 分隔线 */
.essay-divider {
  height: 1px;
  background: var(--line-2);
  border: none;
  margin: 32px 0;
}

/* 响应式 */
@media (max-width: 1024px) {
  .essay-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .essay-grid-3 {
    grid-template-columns: 1fr;
  }

  .essay-grid-2 {
    grid-template-columns: 1fr;
  }

  .essay-pricing {
    grid-template-columns: 1fr;
  }

  .essay-ai-root .essay-checkout-order {
    grid-template-columns: 1fr;
  }

  .essay-ai-root .essay-checkout-amount {
    justify-items: start;
  }

  .essay-ai-root .essay-sample-breakdown-head,
  .essay-ai-root .essay-sample-breakdown {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .essay-product-nav-shell .nav-inner {
    height: 64px;
    padding: 0 20px;
    gap: 12px;
  }

  .essay-product-nav-shell .nav-cta {
    gap: 6px;
  }

  .essay-product-nav-shell .btn {
    padding: 9px 12px;
    font-size: 13px;
  }

  .essay-product-nav-shell .tu-nav-user-name {
    max-width: 70px;
  }

  .essay-ai-container {
    padding: 32px 20px;
  }

  .essay-ai-nav-inner {
    padding: 0 20px;
    min-height: 56px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .essay-ai-nav-links {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .essay-ai-nav-links::-webkit-scrollbar {
    display: none;
  }

  .essay-card {
    padding: 24px;
  }

  .essay-title {
    font-size: 28px;
  }

  .essay-btn {
    padding: 10px 18px;
    font-size: 13px;
  }

  .essay-pricing-plan {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .essay-pricing-action {
    width: 100%;
  }

  .essay-ai-root .essay-checkout-container {
    padding-top: 28px;
  }

  .essay-ai-root .essay-checkout {
    gap: 14px;
  }

  .essay-ai-root .essay-checkout-order,
  .essay-ai-root .essay-checkout-panel {
    padding: 22px;
  }

  .essay-ai-root .essay-checkout-field-row,
  .essay-ai-root .essay-checkout-channel-grid {
    grid-template-columns: 1fr;
  }

  .essay-ai-root .essay-checkout-field-row .essay-btn {
    width: 100%;
  }

  .essay-ai-root .essay-sample-question-card,
  .essay-ai-root .essay-sample-breakdown {
    padding: 22px;
  }

  .essay-ai-root .breakdown-item {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .essay-product-nav-shell .nav-inner {
    padding: 0 16px;
  }

  .essay-product-nav-shell .brand {
    font-size: 16px;
  }

  .essay-product-nav-shell .tu-nav-user-caret {
    display: none;
  }
}

/* 工具类 */
.essay-flex {
  display: flex;
}

.essay-flex-col {
  display: flex;
  flex-direction: column;
}

.essay-gap-4 {
  gap: 16px;
}

.essay-gap-6 {
  gap: 24px;
}

.essay-gap-8 {
  gap: 32px;
}

.essay-mt-4 {
  margin-top: 16px;
}

.essay-mt-6 {
  margin-top: 24px;
}

.essay-mt-8 {
  margin-top: 32px;
}

.essay-mb-4 {
  margin-bottom: 16px;
}

.essay-mb-6 {
  margin-bottom: 24px;
}

.essay-mb-8 {
  margin-bottom: 32px;
}

/* ============================================
   古诗词默写模块样式
   ============================================ */

.poetry-mode-tabs {
  width: min(800px, calc(100% - 40px));
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.poetry-mode-tab {
  appearance: none;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease;
}

.poetry-mode-tab:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(57, 48, 42, 0.06);
  box-shadow: 0 8px 20px oklch(0.28 0.02 55 / 0.06);
}

.poetry-mode-tab.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff9f2;
}

.poetry-mode-count {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-3);
}

.poetry-mode-tab.is-active .poetry-mode-count {
  color: rgba(255, 249, 242, 0.78);
}

/* 练习容器 */
.poetry-practice {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* 控制栏 */
.poetry-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  align-items: center;
}

.poetry-controls select {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  font-family: var(--sans);
  outline: none;
  transition: border-color 160ms ease;
}

.poetry-controls select:hover {
  border-color: var(--accent);
}

.poetry-controls select:focus {
  border-color: var(--accent);
}

/* 进度条 */
.poetry-progress {
  margin-bottom: 32px;
}

.poetry-progress-text {
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 8px;
}

.poetry-progress-bar {
  height: 6px;
  background: var(--line-2);
  border-radius: 999px;
  overflow: hidden;
}

.poetry-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #d78349);
  background: linear-gradient(90deg, var(--accent), oklch(0.68 0.14 45));
  border-radius: inherit;
  transition: width 220ms ease;
}

/* 卡片舞台 */
.poetry-card-stage {
  perspective: 1800px;
  margin-bottom: 32px;
  min-height: 520px;
}

.poetry-card {
  width: 100%;
  height: clamp(520px, 58vh, 680px);
  min-height: 520px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.62s cubic-bezier(0.2, 0.8, 0.2, 1);
  cursor: pointer;
}

.poetry-card.is-flipped {
  transform: rotateY(180deg);
}

.poetry-card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 8px;
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--line);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  box-shadow: 0 2px 8px oklch(0 0 0 / 0.04);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.poetry-card-back {
  transform: rotateY(180deg);
}

/* 卡片头部 */
.poetry-card-header {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.poetry-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
}

/* 卡片标题 */
.poetry-card-title-group {
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 16px;
}

.poetry-card-title {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.poetry-card-author {
  font-size: 14px;
  color: var(--ink-3);
}

/* 上下文提示 */
.poetry-context {
  padding: 16px;
  background: var(--bg-2);
  border-radius: 6px;
  border-left: 3px solid var(--accent);
}

.poetry-context-label {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.poetry-context-text {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.8;
}

/* 默写提示 */
.poetry-prompt {
  padding: 20px;
  background: var(--bg-3);
  border-radius: 6px;
}

.poetry-prompt-label {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.poetry-masked {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink);
  line-height: 2;
  letter-spacing: 0.5px;
}

.poetry-open-practice {
  max-width: 900px;
}

.poetry-open-practice .poetry-card {
  height: clamp(560px, 62vh, 720px);
  min-height: 560px;
}

.poetry-open-card-heading {
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 8px;
}

.poetry-open-prompt {
  padding: 22px;
  background: var(--bg-2);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.poetry-open-prompt-label {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 10px;
}

.poetry-open-prompt-text {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  line-height: 1.85;
}

.poetry-open-answer-input {
  width: 100%;
  min-height: 150px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.85;
  padding: 18px 20px;
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.poetry-open-answer-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(198, 109, 58, 0.12);
  box-shadow: 0 0 0 3px oklch(0.62 0.13 45 / 0.12);
}

.poetry-open-answer-input::placeholder {
  color: var(--ink-3);
}

.poetry-open-answer-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.poetry-open-answer {
  display: flex;
  gap: 14px;
  padding: 18px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
}

.poetry-open-answer-no {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff9f2;
  font-size: 13px;
  font-weight: 600;
}

.poetry-open-answer-main {
  min-width: 0;
}

.poetry-open-answer-text {
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.85;
  color: var(--ink);
}

.poetry-open-answer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: var(--ink-3);
  font-size: 13px;
}

.poetry-open-scope {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--line-2);
  color: var(--ink-3);
}

.poetry-open-scope.core {
  background: var(--accent-soft);
  color: var(--accent);
}

.poetry-open-source {
  color: var(--ink-3);
}

/* 全文显示 */
.poetry-full-text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.poetry-line {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: 6px;
  transition: background 160ms ease;
}

.poetry-line.is-target {
  background: rgba(222, 187, 143, 0.3);
  background: oklch(0.95 0.08 50 / 0.3);
  border-left: 3px solid var(--accent);
}

.poetry-line-no {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--line-2);
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 500;
}

.poetry-line.is-target .poetry-line-no {
  background: var(--accent);
  color: white;
}

.poetry-line-text {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
  line-height: 1.8;
  flex: 1;
}

/* 提示文本 */
.poetry-tip {
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.6;
  padding-top: 12px;
  border-top: 1px solid var(--line-2);
}

/* 操作按钮 */
.poetry-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

/* 快捷键提示 */
.poetry-shortcuts {
  text-align: center;
  font-size: 13px;
  color: var(--ink-3);
  padding: 16px;
  background: var(--bg-2);
  border-radius: 6px;
}

.poetry-shortcuts strong {
  color: var(--ink-2);
  font-weight: 600;
}

/* 空状态 */
.poetry-empty {
  text-align: center;
  padding: 80px 20px;
}

.poetry-empty h2 {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--ink);
  margin-bottom: 12px;
}

.poetry-empty p {
  font-size: 15px;
  color: var(--ink-3);
}

/* ============================================
   高考祈福模块样式
   ============================================ */

.gaokao-pray {
  --pray-red: #a9342b;
  --pray-red-soft: rgba(169, 52, 43, 0.11);
  --pray-gold: #d49a35;
  --pray-paper: #fffaf2;
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 84px 56px 96px;
}

@supports (color: oklch(0.5 0 0)) {
  .gaokao-pray {
    --pray-red: oklch(0.49 0.15 32);
    --pray-red-soft: oklch(0.49 0.15 32 / 0.11);
    --pray-gold: oklch(0.7 0.12 74);
  }
}

.pray-hero {
  max-width: 760px;
}

.pray-kicker {
  margin-bottom: 16px;
  color: var(--pray-red);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.pray-hero h1 {
  font-family: var(--serif);
  font-size: clamp(56px, 9vw, 112px);
  line-height: 0.98;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--ink);
}

.pray-lede {
  max-width: 600px;
  margin-top: 24px;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.85;
}

.pray-option-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 14px;
  margin-top: 48px;
}

.pray-option-card {
  min-height: 224px;
  display: grid;
  grid-template-rows: 78px 1fr;
  align-items: start;
  justify-items: center;
  gap: 16px;
  padding: 22px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 242, 0.54);
  background: oklch(0.985 0.01 80 / 0.54);
  color: var(--ink);
  text-align: center;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.pray-option-card:not(:disabled):hover,
.pray-option-card:focus-visible,
.pray-option-card.is-active {
  border-color: var(--pray-red);
  outline: none;
  background: var(--pray-red-soft);
  box-shadow: 0 16px 40px rgba(80, 40, 24, 0.08);
  box-shadow: 0 16px 40px oklch(0.28 0.04 48 / 0.08);
}

.pray-option-card:not(:disabled):hover {
  transform: translateY(-2px);
}

.pray-option-card:disabled {
  cursor: default;
  opacity: 0.5;
}

.pray-option-card.is-active:disabled {
  opacity: 1;
}

.pray-portrait {
  width: 74px;
  height: 74px;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: #f7ead2;
}

.pray-portrait svg {
  width: 100%;
  height: 100%;
  display: block;
}

.pray-option-copy {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.pray-option-name {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.25;
}

.pray-option-intro {
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.55;
}

.pray-option-note {
  color: var(--pray-red);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
}

.pray-drawing {
  width: min(420px, 100%);
  margin: 36px auto 0;
  display: grid;
  justify-items: center;
  gap: 12px;
  color: var(--pray-red);
  font-weight: 800;
}

.pray-draw-visual {
  position: relative;
  width: 180px;
  height: 174px;
  display: grid;
  place-items: end center;
}

.pray-draw-slip {
  position: absolute;
  left: 64px;
  top: 8px;
  width: 52px;
  height: 112px;
  display: grid;
  place-items: center;
  color: var(--pray-red);
  background: #fff7dc;
  border: 2px solid var(--pray-red);
  border-radius: 4px;
  box-shadow: 0 10px 24px rgba(92, 47, 23, 0.16);
  font-size: 24px;
  font-weight: 900;
  writing-mode: vertical-rl;
  animation: pray-slip-out 1.05s ease-in-out infinite alternate;
}

.pray-draw-tube {
  position: relative;
  width: 132px;
  height: 92px;
  border: 3px solid var(--pray-red);
  border-radius: 10px 10px 18px 18px;
  background: linear-gradient(180deg, #b94335, #8f2e27);
  box-shadow: 0 18px 30px rgba(92, 47, 23, 0.18);
  overflow: hidden;
}

.pray-draw-tube::before,
.pray-draw-tube::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.72);
}

.pray-draw-tube::before {
  top: 14px;
  height: 8px;
}

.pray-draw-tube::after {
  left: 24px;
  right: 24px;
  bottom: 18px;
  height: 10px;
  background: rgba(255, 250, 240, 0.34);
}

@keyframes pray-slip-out {
  from {
    transform: translateY(34px) rotate(-3deg);
  }
  to {
    transform: translateY(-10px) rotate(3deg);
  }
}

.pray-locked-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 40px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 242, 0.56);
  background: oklch(0.985 0.01 80 / 0.56);
}

.pray-locked-panel p {
  color: var(--ink-2);
  font-size: 17px;
  font-weight: 600;
}

.pray-overlay {
  --pray-red: #a9342b;
  --pray-red-soft: rgba(169, 52, 43, 0.11);
  --pray-paper: #fffaf2;
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(31, 25, 21, 0.34);
  background: oklch(0.22 0.012 60 / 0.34);
}

@supports (color: oklch(0.5 0 0)) {
  .pray-overlay {
    --pray-red: oklch(0.49 0.15 32);
    --pray-red-soft: oklch(0.49 0.15 32 / 0.11);
  }
}

.pray-result-dialog {
  position: relative;
  width: min(640px, 100%);
  max-height: min(86vh, 780px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--pray-paper);
  box-shadow: 0 24px 80px rgba(58, 37, 22, 0.26);
  box-shadow: 0 24px 80px oklch(0.28 0.04 48 / 0.26);
  padding: 30px;
  animation: pray-pop 180ms ease-out;
}

@keyframes pray-pop {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.pray-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-right: 58px;
}

.pray-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink-3);
  font-size: 22px;
  line-height: 1;
}

.pray-close:hover {
  color: var(--pray-red);
  border-color: var(--pray-red);
}

.pray-sign-meta {
  margin-bottom: 12px;
  color: var(--pray-red);
  font-size: 14px;
  font-weight: 800;
}

.pray-sign-text {
  font-family: var(--serif);
  font-size: clamp(28px, 5vw, 38px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.pray-detail,
.pray-message,
.pray-share-panel {
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding-top: 22px;
}

.pray-detail h2,
.pray-message h2,
.pray-share-panel h3 {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.pray-detail h2 {
  color: var(--pray-red);
}

.pray-detail p {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.85;
}

.pray-message-form {
  display: grid;
  gap: 12px;
}

.pray-message-form input,
.pray-message-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--pray-paper);
  color: var(--ink);
  font: inherit;
  outline: none;
  padding: 13px 14px;
}

.pray-message-form textarea {
  min-height: 116px;
  resize: none;
  max-height: 150px;
  overflow-y: auto;
  line-height: 1.75;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    height 160ms ease;
}

.pray-message-form input::placeholder,
.pray-message-form textarea::placeholder {
  color: var(--ink-3);
  opacity: 1;
}

.pray-message-form input:focus,
.pray-message-form textarea:focus {
  border-color: var(--pray-red);
  box-shadow: 0 0 0 3px rgba(169, 52, 43, 0.1);
  box-shadow: 0 0 0 3px oklch(0.49 0.15 32 / 0.1);
}

.pray-submit-row {
  display: block;
}

.pray-submit-row .essay-btn-primary {
  width: 100%;
  justify-content: center;
}

.pray-share-image {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.pray-share-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.pray-share-status {
  margin-top: 12px;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.6;
}

/* 响应式 */
@media (max-width: 640px) {
  .poetry-mode-tabs {
    width: calc(100% - 32px);
    margin-top: 28px;
    grid-template-columns: 1fr;
  }

  .poetry-mode-tab {
    min-height: 52px;
    font-size: 15px;
  }

  .poetry-practice {
    padding: 24px 16px;
  }

  .poetry-open-practice .poetry-card {
    height: clamp(560px, 70vh, 720px);
  }

  .poetry-card-face {
    padding: 24px 20px;
  }

  .poetry-card-title {
    font-size: 20px;
  }

  .poetry-masked {
    font-size: 18px;
  }

  .poetry-open-prompt-text,
  .poetry-open-answer-text {
    font-size: 18px;
  }

  .poetry-actions {
    flex-wrap: wrap;
  }

  .poetry-actions button {
    flex: 1 1 calc(50% - 6px);
    min-width: 120px;
  }

  .gaokao-pray {
    padding: 48px 18px 72px;
  }

  .pray-hero h1 {
    font-size: clamp(48px, 18vw, 72px);
  }

  .pray-option-grid {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .pray-option-card {
    min-height: 154px;
    grid-template-columns: 72px 1fr;
    grid-template-rows: none;
    text-align: left;
    justify-items: start;
    align-items: center;
  }

  .pray-option-copy {
    justify-items: start;
  }

  .pray-locked-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .pray-result-dialog {
    padding: 22px;
  }

  .pray-dialog-head {
    gap: 12px;
  }

  .pray-submit-row {
    justify-content: stretch;
  }

  .pray-submit-row button {
    width: 100%;
  }

  .pray-share-actions {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Practice View 视觉升级
   ============================================ */

.essay-ai-root .essay-practice {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}

.essay-ai-root .essay-practice-back {
  align-self: flex-start;
  padding-left: 0;
}

.essay-ai-root .essay-practice-topic,
.essay-ai-root .essay-practice-panel,
.essay-ai-root .essay-feedback-loading,
.essay-ai-root .essay-feedback-card,
.essay-ai-root .essay-exam-note-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
}

.essay-ai-root .essay-practice-topic {
  padding: 20px 24px;
}

.essay-ai-root .essay-practice-kicker,
.essay-ai-root .essay-feedback-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.essay-ai-root .essay-practice-material {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.essay-ai-root .essay-practice-direction {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-3);
}

.essay-ai-root .essay-practice-direction span {
  font-weight: 600;
  color: var(--ink-2);
}

.essay-ai-root .essay-practice-step {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.essay-ai-root .essay-practice-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.essay-ai-root .essay-practice-title {
  margin-top: 6px;
  font-family: var(--serif);
  font-size: clamp(26px, 2.6vw, 34px);
  font-weight: 500;
  line-height: 1.25;
  color: var(--ink);
}

.essay-ai-root .essay-practice-subtitle {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
}

.essay-ai-root .essay-practice-timer {
  display: grid;
  min-width: 180px;
  gap: 8px;
  justify-items: end;
}

.essay-ai-root .essay-practice-timer span {
  font-size: 12px;
  color: var(--ink-3);
}

.essay-ai-root .essay-practice-timer strong {
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.essay-ai-root .essay-practice-progress {
  display: flex;
  gap: 7px;
}

.essay-ai-root .essay-practice-progress span {
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--line);
}

.essay-ai-root .essay-practice-progress span.active {
  background: var(--accent);
}

.essay-ai-root .essay-focus-note {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.essay-ai-root .essay-practice-panel {
  display: grid;
  gap: 18px;
  padding: 22px 24px;
}

.essay-ai-root .essay-field {
  display: grid;
  gap: 8px;
  width: 100%;
}

.essay-ai-root .essay-field-label {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.essay-ai-root .essay-input,
.essay-ai-root .essay-textarea {
  display: block;
  width: 100%;
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.essay-ai-root .essay-input:focus,
.essay-ai-root .essay-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: #fff;
  outline: none;
}

.essay-ai-root .essay-input::placeholder,
.essay-ai-root .essay-textarea::placeholder {
  color: var(--ink-4);
}

.essay-ai-root .essay-textarea {
  min-height: 112px;
  resize: vertical;
}

.essay-ai-root .essay-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.essay-ai-root .essay-advanced-fields {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.54);
}

.essay-ai-root .essay-advanced-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
}

.essay-ai-root .essay-advanced-summary::-webkit-details-marker {
  display: none;
}

.essay-ai-root .essay-advanced-summary::before {
  content: "▸";
  color: var(--accent);
  transition: transform 0.18s ease;
}

.essay-ai-root .essay-advanced-fields[open] .essay-advanced-summary::before {
  transform: rotate(90deg);
}

.essay-ai-root .essay-advanced-body {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.essay-ai-root .essay-relation-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.essay-ai-root .essay-relation-option {
  min-height: 38px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-2);
  font-size: 14px;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.essay-ai-root .essay-relation-option:hover {
  border-color: var(--accent);
  color: var(--ink);
  background: var(--accent-soft);
}

.essay-ai-root .essay-relation-option.active {
  border-color: var(--ink);
  background: var(--ink);
  color: #f9f5f0;
  -webkit-text-fill-color: #f9f5f0;
}

.essay-ai-root .essay-relation-hint,
.essay-ai-root .essay-action-hint,
.essay-ai-root .essay-feedback-muted {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-3);
}

.essay-ai-root .essay-timeup-prompt {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  background: var(--accent-soft);
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
}

.essay-ai-root .essay-timeup-actions,
.essay-ai-root .essay-practice-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.essay-ai-root .essay-practice-actions {
  margin-top: 4px;
}

.essay-ai-root .essay-btn-primary {
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
}

.essay-ai-root .essay-btn-primary:hover {
  transform: translateY(-1px);
}

.essay-ai-root .essay-feedback-loading {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 22px;
}

.essay-ai-root .essay-feedback-spinner {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 999px;
  animation: essay-spin 0.8s linear infinite;
}

.essay-ai-root .essay-feedback-loading-title,
.essay-ai-root .essay-feedback-strong {
  font-weight: 600;
  color: var(--ink);
}

.essay-ai-root .essay-feedback-loading-list {
  margin-top: 6px;
  display: grid;
  gap: 2px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
}

.essay-ai-root .essay-feedback-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.essay-ai-root .essay-feedback-card {
  display: flex;
  min-height: 142px;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  border-left-width: 3px;
}

.essay-ai-root .essay-feedback-card.risk {
  border-left-color: var(--warn);
}

.essay-ai-root .essay-feedback-card.change {
  border-left-color: var(--safe);
}

.essay-ai-root .essay-feedback-card.note,
.essay-ai-root .essay-feedback-card.compare {
  border-left-color: var(--line);
}

.essay-ai-root .essay-feedback-card.note {
  background: rgba(246, 253, 248, 0.62);
}

.essay-ai-root .essay-feedback-card.compare {
  grid-column: 1 / -1;
}

.essay-ai-root .essay-feedback-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.essay-ai-root .essay-feedback-mark {
  display: inline-flex;
  min-width: 34px;
  height: 22px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 600;
}

.essay-ai-root .essay-feedback-body,
.essay-ai-root .essay-feedback-compare {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.essay-ai-root .essay-feedback-meta,
.essay-ai-root .essay-feedback-compare-label {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-3);
}

.essay-ai-root .essay-feedback-compare-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.essay-ai-root .essay-feedback-compare {
  border-radius: 8px;
  padding: 14px;
}

.essay-ai-root .essay-feedback-compare.before {
  background: var(--bg-2);
}

.essay-ai-root .essay-feedback-compare.after {
  background: rgba(230, 245, 235, 0.72);
}

.essay-ai-root .essay-exam-note-preview {
  border-style: dashed;
  background: rgba(246, 253, 248, 0.62);
  padding: 18px;
}

.essay-ai-root .essay-exam-note-lines {
  margin-top: 10px;
}

.essay-ai-root .essay-exam-note-line {
  padding: 8px 0;
  border-top: 1px solid rgba(211, 206, 200, 0.56);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}

.essay-ai-root .essay-exam-note-line:first-child {
  border-top: none;
}

.essay-ai-root .essay-exam-note-line span {
  color: var(--ink-3);
}

.essay-ai-root .essay-exam-note-line.strong {
  font-weight: 600;
  color: var(--ink);
}

.essay-ai-root .essay-complete {
  display: grid;
  width: min(100%, 720px);
  margin-inline: auto;
  gap: 12px;
  text-align: center;
}

.essay-ai-root .essay-complete-kicker {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.essay-ai-root .essay-complete-title {
  font-family: var(--serif);
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
}

.essay-ai-root .essay-complete-card {
  margin-top: 10px;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: rgba(246, 253, 248, 0.72);
  text-align: left;
}

.essay-ai-root .essay-complete-lines {
  margin-top: 14px;
}

.essay-ai-root .essay-complete-line {
  padding: 9px 0;
  border-top: 1px solid rgba(211, 206, 200, 0.56);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.essay-ai-root .essay-complete-line:first-child {
  border-top: none;
  font-weight: 600;
  color: var(--ink);
}

.essay-ai-root .essay-complete-label {
  color: var(--ink-3);
}

.essay-ai-root .essay-complete-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
}

@keyframes essay-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 768px) {
  .essay-ai-root .essay-ai-brand {
    flex: 0 0 100%;
  }

  .essay-ai-root .essay-ai-nav-links {
    flex: 0 0 100%;
    min-width: 0;
  }

  .essay-ai-root .essay-ai-nav-link {
    flex: 0 0 auto;
  }

  .essay-ai-root .essay-practice-header,
  .essay-ai-root .essay-timeup-prompt {
    align-items: stretch;
    flex-direction: column;
  }

  .essay-ai-root .essay-practice-timer {
    justify-items: start;
  }

  .essay-ai-root .essay-field-grid,
  .essay-ai-root .essay-feedback-cards,
  .essay-ai-root .essay-feedback-compare-row {
    grid-template-columns: 1fr;
  }

  .essay-ai-root .essay-practice-topic,
  .essay-ai-root .essay-practice-panel {
    padding: 18px;
  }

  .essay-ai-root .essay-practice-actions .essay-btn,
  .essay-ai-root .essay-timeup-actions .essay-btn {
    width: 100%;
  }
}