/* ASD 家庭支持助手 — 专业版样式 */

:root {
  /* 主色：柔和天蓝 — 可信、平静、医疗而不冷硬 */
  --color-primary: #6ea8fe;
  --color-primary-dark: #4d7fd6;
  --color-primary-light: #9cc3ff;
  --color-primary-soft: #e7f0ff;
  --color-primary-softer: #f2f7ff;

  /* 强调色：柔和暖珊瑚 — 人文关怀、温馨 */
  --color-accent: #f2a179;
  --color-accent-soft: #fdf0e8;

  /* 功能色（降低饱和度，柔和） */
  --color-success: #7fb88a;
  --color-success-soft: #eef6ef;
  --color-warning: #e6b45c;
  --color-warning-soft: #fdf6e6;
  --color-danger: #e58a7d;
  --color-danger-soft: #fdf0ee;
  --color-info: #7fb8c9;
  --color-info-soft: #eef6f9;

  /* 中性色：暖白米纸张感 */
  --color-bg: #faf9f7;
  --color-bg-alt: #f3f1ec;
  --color-card: #ffffff;
  --color-text: #33404f;
  --color-text-secondary: #6b7684;
  --color-text-light: #a8b0ba;
  --color-border: #ebe6dd;
  --color-border-light: #f4f1ea;

  /* 标签色 */
  --color-tag-bg: #e7f0ff;
  --color-tag-text: #4d7fd6;
  --color-warning-bg: #fdf6e6;
  --color-warning-border: #f3e2b8;
  --color-star: #f2cf6b;

  /* 阴影系统：更柔和、更大泛光 */
  --shadow-xs: 0 1px 2px rgba(51, 64, 79, 0.05);
  --shadow-sm: 0 2px 6px rgba(51, 64, 79, 0.05), 0 1px 3px rgba(51, 64, 79, 0.04);
  --shadow-md: 0 6px 16px rgba(51, 64, 79, 0.06), 0 2px 6px rgba(51, 64, 79, 0.05);
  --shadow-lg: 0 14px 30px rgba(51, 64, 79, 0.08), 0 4px 10px rgba(51, 64, 79, 0.05);
  --shadow-xl: 0 24px 60px rgba(51, 64, 79, 0.1), 0 8px 16px rgba(51, 64, 79, 0.06);
  --shadow-glow: 0 0 0 5px rgba(110, 168, 254, 0.14);

  /* 圆角：更圆润，更柔和 */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  --max-width: 880px;

  /* 过渡：更丝滑 */
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  font-size: 15px;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* 学术衬线字体用于标题 */
h1, h2, h3, h4, .logo-text, .hero h1, .article h1,
.overseas-detail h1, .list-hero h1, .section-title {
  font-family: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Header ============ */
.site-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.logo-text {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.site-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.site-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.site-nav a:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

/* ============ Main ============ */
main {
  padding: 32px 24px 64px;
  min-height: calc(100vh - 140px);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  font-size: 13px;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 40px;
}

.site-footer p { margin: 4px 0; }

/* ============ Hero ============ */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 140% at 85% -10%, rgba(110, 168, 254, 0.28) 0%, transparent 55%),
    radial-gradient(120% 140% at 0% 110%, rgba(242, 161, 121, 0.22) 0%, transparent 55%),
    linear-gradient(160deg, #eef5ff 0%, #f7f4ef 55%, #fdf1ea 100%);
  color: var(--color-text);
  padding: 56px 42px;
  border-radius: var(--radius-xl);
  margin-bottom: 32px;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.hero::before {
  content: '';
  position: absolute;
  top: -45%;
  right: -8%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(110, 168, 254, 0.4) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroBreathe 7s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -55%;
  left: -8%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(242, 161, 121, 0.32) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroBreathe 9s ease-in-out infinite reverse;
}

@keyframes heroBreathe {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.85; }
  50% { transform: translateY(-14px) scale(1.12); opacity: 1; }
}

.hero h1 {
  font-size: 32px;
  margin-bottom: 14px;
  font-weight: 900;
  letter-spacing: 0.01em;
  position: relative;
  z-index: 1;
  color: var(--color-primary-dark);
}

/* Hero 背景：晨星光点 Canvas（置于文字下方） */
.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}

.hero p {
  font-size: 15px;
  color: var(--color-text-secondary);
  font-weight: 400;
  line-height: 1.8;
  position: relative;
  z-index: 1;
  max-width: 620px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(110, 168, 254, 0.35);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

.hero-cta,
.hero-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.hero-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(110, 168, 254, 0.4);
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(110, 168, 254, 0.5);
}
.hero-cta:active { transform: translateY(-1px); }

.hero-cta-secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-primary-dark);
  border: 1px solid rgba(110, 168, 254, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-cta, .hero-cta-secondary { justify-content: center; }
}

/* ============ Section title ============ */
.section-title {
  font-size: 20px;
  font-weight: 700;
  margin: 36px 0 16px;
  color: var(--color-text);
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 18px;
  background: var(--color-primary);
  border-radius: 1px;
}

.section-en {
  font-family: "Noto Sans SC", -apple-system, "Helvetica Neue", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-text-light);
  text-transform: uppercase;
  margin-left: 2px;
}

/* ============ Categories ============ */
.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .category-grid { grid-template-columns: 1fr 1fr; }
}

.category-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
  display: block;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  transform: scaleY(0);
  transform-origin: top;
  transition: var(--transition);
}

.category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-primary-light);
}

.category-card:hover::before {
  transform: scaleY(1);
}

.category-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.category-card .count {
  display: inline-block;
  font-size: 12px;
  color: var(--color-text-light);
  background: var(--color-bg-alt);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: 500;
}

.category-card .articles-preview {
  margin-top: 12px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.category-card .articles-preview li {
  list-style: none;
  padding: 3px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.category-card .articles-preview li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--color-primary-light);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============ 首页阶段目录 ============ */
.stage-guide {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.stage-block {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-xs);
}

.stage-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.stage-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stage-head-text h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.stage-head-text p {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.stage-articles {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stage-article {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  transition: var(--transition);
}

.stage-article:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateX(2px);
}

.stage-article-tag {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 500;
}

.stage-article-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stage-article-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.stage-article-desc {
  font-size: 12px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stage-article-arrow {
  flex-shrink: 0;
  color: var(--color-text-light);
  font-size: 14px;
}

/* ============ Article list ============ */
.article-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-list li {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}

.article-list li:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateX(2px);
}

.article-list a {
  text-decoration: none;
  color: var(--color-text);
  display: block;
}

.article-list a:hover h4 { color: var(--color-primary); }

.article-list h4 {
  font-size: 15px;
  margin-bottom: 6px;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: var(--transition);
}

.article-list .meta {
  font-size: 12px;
  color: var(--color-text-light);
}

/* ============ Article page ============ */
.article {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.back-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-light);
  background: var(--color-primary-soft);
}

.article h1 {
  font-size: 28px;
  margin-bottom: 16px;
  line-height: 1.35;
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-light);
}

.tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
}

.tag.age { background: var(--color-accent-soft); color: var(--color-accent); }
.tag.severity { background: var(--color-danger-soft); color: var(--color-danger); }
.tag.evidence { background: var(--color-success-soft); color: var(--color-success); }

.star { color: var(--color-star); }

/* ============ Article body ============ */
.article-body { font-size: 15px; line-height: 1.85; color: var(--color-text); }

.article-body h2 {
  font-size: 20px;
  margin: 32px 0 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.article-body h2:first-child { border-top: none; padding-top: 0; }

.article-body h3 {
  font-size: 17px;
  margin: 24px 0 10px;
  color: var(--color-text);
  font-weight: 600;
}

.article-body p { margin: 12px 0; }

.article-body ul, .article-body ol {
  margin: 12px 0;
  padding-left: 24px;
}

.article-body li { margin: 6px 0; }

.article-body strong { color: var(--color-text); font-weight: 600; }

.article-body a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-primary-light);
  transition: var(--transition);
}

.article-body a:hover {
  border-bottom-color: var(--color-primary);
}

.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  background: linear-gradient(90deg, var(--color-primary-soft) 0%, transparent 100%);
  padding: 14px 18px;
  margin: 16px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.article-body code {
  background: var(--color-bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: "SF Mono", "JetBrains Mono", Monaco, "Cascadia Code", monospace;
  color: var(--color-accent);
}

/* ============ Evidence Summary ============ */
.evidence-summary {
  background: linear-gradient(135deg, var(--color-info-soft) 0%, var(--color-primary-soft) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-top: 32px;
  font-size: 14px;
}

.evidence-summary h2 {
  color: var(--color-text-secondary);
  font-size: 13px;
  margin-top: 0;
  border-top: none;
  padding-top: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.evidence-summary h3 {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ============ Related ============ */
.related-links {
  margin-top: 28px;
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--color-accent-soft) 0%, var(--color-warning-soft) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-warning-border);
}

.related-links h3 {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: 12px;
  font-weight: 600;
}

.related-links a {
  display: block;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 8px 12px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.5);
  margin-bottom: 4px;
}

.related-links a:hover {
  background: var(--color-card);
  color: var(--color-primary);
  transform: translateX(4px);
}

/* ============ Search ============ */
.search-box {
  width: 100%;
  padding: 14px 20px 14px 44px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 15px;
  margin-bottom: 20px;
  background: var(--color-card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E") no-repeat 16px center;
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}

.search-box:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.search-box::placeholder { color: var(--color-text-light); }

/* ============ Loading / empty ============ */
.loading, .empty {
  text-align: center;
  padding: 64px 16px;
  color: var(--color-text-light);
  font-size: 15px;
}

/* ============ About page ============ */
.about-page { padding: 16px 0; max-width: 720px; margin: 0 auto; }

.about-page h1 {
  font-size: 28px;
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.about-page p { margin: 14px 0; font-size: 15px; line-height: 1.85; }

/* ============ Mobile adjustments ============ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  main { padding: 20px 16px 40px; }
  .article { padding: 24px 20px; border-radius: var(--radius-lg); }
  .article h1 { font-size: 22px; }
  .hero { padding: 32px 24px; border-radius: var(--radius-lg); }
  .hero h1 { font-size: 22px; }
  .hero p { font-size: 14px; }
  .section-title { font-size: 18px; }
}

/* ============ AI Chat Widget ============ */
.ai-chat-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  cursor: pointer;
  box-shadow:
    0 10px 25px -5px rgba(37, 99, 235, 0.4),
    0 4px 10px -2px rgba(37, 99, 235, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: var(--transition);
}

.ai-chat-toggle::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  opacity: 0.3;
  z-index: -1;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.15); opacity: 0; }
}

.ai-chat-toggle:hover {
  transform: scale(1.08) rotate(4deg);
  box-shadow:
    0 15px 30px -5px rgba(37, 99, 235, 0.5),
    0 6px 12px -2px rgba(37, 99, 235, 0.3);
}

.ai-chat-panel {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 380px;
  max-height: 560px;
  background: var(--color-card);
  border-radius: var(--radius-xl);
  box-shadow:
    0 25px 50px -12px rgba(15, 23, 42, 0.25),
    0 8px 16px -8px rgba(15, 23, 42, 0.15);
  display: none;
  flex-direction: column;
  z-index: 998;
  overflow: hidden;
  border: 1px solid var(--color-border);
  animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.ai-chat-panel.active { display: flex; }

.ai-chat-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.ai-chat-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  border-radius: 50%;
}

.ai-chat-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
  position: relative;
  z-index: 1;
}

.ai-chat-close {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: white;
  font-size: 18px;
  cursor: pointer;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.ai-chat-close:hover { background: rgba(255, 255, 255, 0.25); transform: rotate(90deg); }

.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 420px;
  background: var(--color-bg);
}

.ai-message { display: flex; flex-direction: column; }

.ai-message.ai-user { align-items: flex-end; }

.ai-message.ai-user .ai-bubble {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-radius: var(--radius-lg) var(--radius-lg) 4px var(--radius-lg);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.ai-message.ai-ai,
.ai-message.ai-system { align-items: flex-start; }

.ai-message.ai-ai .ai-bubble,
.ai-message.ai-system .ai-bubble {
  background: var(--color-card);
  color: var(--color-text);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 4px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}

.ai-bubble {
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.7;
  max-width: 100%;
  word-break: break-word;
}

.ai-bubble p { margin: 6px 0; }

.ai-bubble strong { font-weight: 600; color: inherit; }

.ai-bubble ul, .ai-bubble ol { margin: 6px 0; padding-left: 20px; }

.ai-bubble li { margin: 3px 0; }

.ai-bubble a {
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
  font-weight: 500;
}

.ai-bubble a:hover { color: var(--color-accent); }

.ai-bubble em {
  color: var(--color-text-light);
  font-style: normal;
  font-size: 12px;
  display: block;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--color-border);
}

.ai-bubble .ai-loading {
  display: inline-block;
  padding: 4px 0;
}

.ai-bubble .ai-loading::after {
  content: '...';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%, 20% { content: ''; }
  40% { content: '.'; }
  60% { content: '..'; }
  80%, 100% { content: '...'; }
}

.ai-chat-input-area {
  display: flex;
  border-top: 1px solid var(--color-border);
  padding: 12px 14px;
  gap: 8px;
  background: var(--color-card);
}

.ai-chat-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 14px;
  outline: none;
  background: var(--color-bg);
  color: var(--color-text);
  transition: var(--transition);
}

.ai-chat-input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  background: var(--color-card);
}

.ai-chat-send {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.ai-chat-send:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.35);
}

.ai-chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* AI chat on mobile */
@media (max-width: 480px) {
  .ai-chat-panel {
    position: fixed;
    bottom: 88px;
    right: 12px;
    left: 12px;
    width: auto;
    max-height: 70vh;
  }
  .ai-chat-toggle {
    bottom: 16px;
    right: 16px;
    width: 50px;
    height: 50px;
  }
}

/* ============ 首页快速工具 ============ */
.quick-tools { margin-bottom: 36px; }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.tool-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.tool-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at top right, var(--color-primary-soft) 0%, transparent 70%);
  opacity: 0;
  transition: var(--transition);
}

.tool-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.tool-card:hover::after { opacity: 1; }

.tool-card-icon {
  font-size: 32px;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-info-soft) 100%);
  border-radius: var(--radius);
}

.tool-card-content h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.tool-card-content p {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-light);
}

.tool-card-arrow {
  margin-left: auto;
  color: var(--color-text-light);
  font-size: 20px;
  transition: var(--transition);
}

.tool-card:hover .tool-card-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* ============ 问卷样式 ============ */
.quiz-container {
  max-width: 720px;
  margin: 0 auto;
}

.quiz-header {
  text-align: center;
  margin-bottom: 28px;
}

.quiz-header h1 {
  margin-bottom: 12px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.quiz-intro {
  background: var(--color-card);
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  text-align: left;
  font-size: 14px;
  line-height: 1.85;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}

.quiz-intro p { margin: 6px 0; }

.quiz-disclaimer {
  background: linear-gradient(135deg, var(--color-warning-soft) 0%, var(--color-accent-soft) 100%);
  border-left: 4px solid var(--color-warning);
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-top: 14px;
  color: var(--color-text-secondary);
}

.quiz-info-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.quiz-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-full);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.quiz-question {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.quiz-question-number {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  margin-bottom: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.quiz-question-text {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.quiz-question-example {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 22px;
  padding: 10px 14px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-text-light);
}

.quiz-options {
  display: flex;
  gap: 16px;
}

.quiz-option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 24px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-size: 16px;
  font-weight: 600;
  background: var(--color-card);
  color: var(--color-text-secondary);
}

.quiz-option:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.quiz-option.selected {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.quiz-option input[type="radio"] { display: none; }

.quiz-navigation {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.quiz-btn {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.quiz-btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.quiz-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.35);
}

.quiz-btn-secondary {
  background: var(--color-card);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.quiz-btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.quiz-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.quiz-btn-complete {
  background: linear-gradient(135deg, var(--color-success) 0%, #34d399 100%) !important;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3) !important;
}

.shake { animation: shake 0.3s ease; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* 问卷结果页 */
.result-header {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-xl);
  margin-bottom: 28px;
  background: var(--color-card);
  border: 2px solid;
  box-shadow: var(--shadow-md);
}

.result-level {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.result-score {
  font-size: 16px;
  color: var(--color-text-secondary);
}

.result-bar {
  display: flex;
  height: 12px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 20px 0 10px;
  background: var(--color-bg-alt);
}

.result-bar-low { background: linear-gradient(90deg, var(--color-success) 0%, #34d399 100%); }
.result-bar-mid { background: linear-gradient(90deg, var(--color-warning) 0%, #fbbf24 100%); }
.result-bar-high { background: linear-gradient(90deg, var(--color-danger) 0%, #f87171 100%); }

.result-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: 500;
}

.result-risk-items {
  background: var(--color-card);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}

.result-risk-items h3 { margin-bottom: 14px; font-size: 17px; font-weight: 600; }

.result-risk-items ul { list-style: none; padding: 0; }

.result-risk-items li {
  padding: 12px 14px;
  margin-bottom: 8px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-primary);
  font-size: 14px;
  transition: var(--transition);
}

.result-risk-items li:hover {
  background: var(--color-primary-soft);
  transform: translateX(2px);
}

.result-risk-items li.critical {
  border-left-color: var(--color-danger);
  background: var(--color-danger-soft);
}

.badge-critical {
  display: inline-block;
  background: var(--color-danger);
  color: white;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 6px;
  font-weight: 600;
}

.result-recommendation {
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-info-soft) 100%);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  border-left: 4px solid var(--color-primary);
  border: 1px solid var(--color-border);
}

.result-recommendation h3 { margin-bottom: 14px; font-size: 17px; font-weight: 600; }

.result-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.result-history {
  background: var(--color-card);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
}

.history-table th,
.history-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 14px;
}

.history-table th {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quiz-disclaimer {
  font-size: 12px;
  color: var(--color-text-light);
  text-align: center;
  padding: 14px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}

/* ============ 个性化引导 ============ */
.onboarding-container {
  max-width: 620px;
  margin: 0 auto;
}

.onboarding-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 36px;
  gap: 0;
}

.onboarding-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  border: 2px solid var(--color-border);
}

.onboarding-step.active .step-circle {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-color: var(--color-primary);
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.onboarding-step.completed .step-circle {
  background: linear-gradient(135deg, var(--color-success) 0%, #34d399 100%);
  color: white;
  border-color: var(--color-success);
}

.step-line {
  width: 48px;
  height: 2px;
  background: var(--color-border);
  margin: 0 6px;
  margin-bottom: 28px;
  border-radius: 1px;
}

.onboarding-question h2 {
  font-size: 24px;
  margin-bottom: 6px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.onboarding-hint {
  color: var(--color-text-light);
  font-size: 14px;
  margin-bottom: 24px;
}

.onboarding-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.onboarding-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  background: var(--color-card);
}

.onboarding-option:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-soft);
}

.onboarding-option.selected {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-info-soft) 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.option-emoji { font-size: 26px; }

.option-label { font-size: 15px; font-weight: 500; }

.onboarding-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
}

/* 仪表盘 */
.dashboard {
  max-width: 720px;
  margin: 0 auto;
}

.dashboard-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
  padding: 28px;
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-info-soft) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.dashboard-avatar { font-size: 52px; }

.dashboard-header h1 {
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.dashboard-subtitle {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.dashboard-edit {
  color: var(--color-primary);
  font-size: 13px;
  margin-left: 8px;
  text-decoration: underline;
  font-weight: 500;
}

.dashboard-section {
  background: var(--color-card);
  padding: 24px 28px;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}

.dashboard-section h2 {
  font-size: 18px;
  margin-bottom: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.dashboard-section h3 {
  font-size: 15px;
  margin-bottom: 12px;
  font-weight: 600;
}

.next-steps { list-style: none; padding: 0; }

.next-steps li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 14px;
  line-height: 1.7;
}

.next-steps li:last-child { border-bottom: none; }

.step-number {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.tool-cards { display: grid; gap: 12px; }

.tool-card.priority {
  border-color: var(--color-primary-light);
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, transparent 100%);
}

.tool-emoji { font-size: 28px; }

.tool-info h3 { margin: 0 0 4px; font-size: 15px; font-weight: 600; }

.tool-info p { margin: 0; font-size: 13px; color: var(--color-text-light); }

.badge-new {
  background: linear-gradient(135deg, var(--color-success) 0%, #34d399 100%);
  color: white;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.recommended-articles {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.recommended-article {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.recommended-article:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  transform: translateX(4px);
}

.article-arrow { color: var(--color-text-light); }

/* ============ 资源模块 ============ */
.resources-container {
  max-width: 920px;
  margin: 0 auto;
}

.resources-container h1 {
  margin-bottom: 8px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.resources-intro {
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  font-size: 15px;
}

.city-selector { margin-bottom: 28px; }

.city-selector label {
  display: block;
  margin-bottom: 12px;
  font-weight: 600;
  font-size: 15px;
}

.city-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.city-btn {
  padding: 10px 22px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-card);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  color: var(--color-text-secondary);
}

.city-btn:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.city-btn.selected {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.city-content {
  min-height: 100px;
  margin-bottom: 36px;
}

.city-placeholder {
  text-align: center;
  padding: 48px;
  color: var(--color-text-light);
  font-size: 15px;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
}

.city-detail h2 {
  margin-bottom: 24px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.resources-subsection { margin-bottom: 28px; }

.resources-subsection h3 {
  margin-bottom: 14px;
  font-size: 17px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hospital-list,
.subsidy-list,
.education-list {
  display: grid;
  gap: 12px;
}

.hospital-card,
.subsidy-card,
.education-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}

.hospital-card:hover,
.subsidy-card:hover,
.education-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.hospital-name {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 10px;
  color: var(--color-text);
}

.level-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-danger) 0%, #f87171 100%);
  color: white;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 6px;
  font-weight: 600;
}

.hospital-detail {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.hospital-dept {
  font-weight: 600;
  color: var(--color-text);
}

.subsidy-type {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.subsidy-amount {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.subsidy-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.education-type {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.education-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.resources-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.resources-section {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--color-border);
}

.resources-section h2 {
  margin-bottom: 24px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hotline-list {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.hotline-item {
  background: var(--color-card);
  padding: 18px 20px;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-primary);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}

.hotline-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(2px);
}

.hotline-item strong { font-size: 15px; }

.hotline-phone {
  display: inline-block;
  margin-left: 8px;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 16px;
}

.hotline-item p {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.policy-list {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.policy-card {
  background: var(--color-card);
  padding: 18px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}

.policy-card:hover { box-shadow: var(--shadow-md); }

.policy-card h4 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 600;
}

.policy-card p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.policy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.policy-tag {
  display: inline-block;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-weight: 500;
}

.tips-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tip-item {
  padding: 12px 16px;
  background: var(--color-card);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.7;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-success);
}

.resources-disclaimer {
  margin-top: 36px;
  padding: 18px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--color-text-light);
  text-align: center;
}

/* ============ 移动端适配 ============ */
@media (max-width: 480px) {
  .tools-grid { grid-template-columns: 1fr; }
  .quiz-options { flex-direction: column; }
  .hospital-list, .subsidy-list { grid-template-columns: 1fr; }
  .result-actions { flex-direction: column; }
  .onboarding-progress { gap: 0; }
  .step-line { width: 24px; }
  .quiz-question { padding: 24px 20px; }
  .quiz-question-text { font-size: 17px; }
  .dashboard-header { padding: 20px; gap: 14px; }
  .dashboard-avatar { font-size: 40px; }
  .dashboard-header h1 { font-size: 20px; }
}

/* ============ 主题切换 & 暗黑模式 ============ */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
  color: var(--color-text-secondary);
}

.theme-toggle:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  transform: rotate(-15deg);
}

.theme-toggle .theme-icon { line-height: 1; }

/* 暗黑模式变量 */
[data-theme="dark"] {
  --color-bg: #0b1220;
  --color-bg-alt: #131c2e;
  --color-card: #161f33;
  --color-text: #e2e8f0;
  --color-text-secondary: #a3aec2;
  --color-text-light: #6b7891;
  --color-border: #243149;
  --color-border-light: #1c2840;
  --color-tag-bg: #1e3a5f;
  --color-tag-text: #93c5fd;
  --color-primary: #60a5fa;
  --color-primary-dark: #3b82f6;
  --color-primary-light: #93c5fd;
  --color-primary-soft: rgba(96, 165, 250, 0.15);
  --color-primary-softer: rgba(96, 165, 250, 0.08);
  --color-accent: #fb923c;
  --color-accent-soft: rgba(251, 146, 60, 0.12);
  --color-success-soft: rgba(16, 185, 129, 0.15);
  --color-warning-soft: rgba(245, 158, 11, 0.12);
  --color-danger-soft: rgba(239, 68, 68, 0.15);
  --color-info-soft: rgba(6, 182, 212, 0.15);
  --color-warning-bg: rgba(245, 158, 11, 0.08);
  --color-warning-border: rgba(245, 158, 11, 0.3);
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 0 4px rgba(96, 165, 250, 0.15);
}

[data-theme="dark"] body {
  background: var(--color-bg);
  color: var(--color-text);
}

[data-theme="dark"] .site-header {
  background: rgba(22, 31, 51, 0.85);
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .site-footer {
  background: var(--color-card);
  border-top-color: var(--color-border);
}

[data-theme="dark"] .logo-text {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 45%, #3b82f6 100%);
  box-shadow:
    0 20px 40px -12px rgba(59, 130, 246, 0.4),
    0 4px 12px -4px rgba(59, 130, 246, 0.25);
}

[data-theme="dark"] .category-card,
[data-theme="dark"] .article-list li,
[data-theme="dark"] .article,
[data-theme="dark"] .quiz-intro,
[data-theme="dark"] .quiz-question,
[data-theme="dark"] .result-header,
[data-theme="dark"] .result-risk-items,
[data-theme="dark"] .result-recommendation,
[data-theme="dark"] .result-history,
[data-theme="dark"] .dashboard-section,
[data-theme="dark"] .dashboard-header,
[data-theme="dark"] .hospital-card,
[data-theme="dark"] .subsidy-card,
[data-theme="dark"] .education-card,
[data-theme="dark"] .policy-card,
[data-theme="dark"] .hotline-item,
[data-theme="dark"] .city-placeholder,
[data-theme="dark"] .tool-card,
[data-theme="dark"] .tip-item,
[data-theme="dark"] .recommended-article,
[data-theme="dark"] .city-btn,
[data-theme="dark"] .ai-chat-panel,
[data-theme="dark"] .search-box,
[data-theme="dark"] .back-link {
  background: var(--color-card);
  border-color: var(--color-border);
}

[data-theme="dark"] .tag { background: var(--color-tag-bg); color: var(--color-tag-text); }
[data-theme="dark"] .tag.age { background: var(--color-accent-soft); color: var(--color-accent); }
[data-theme="dark"] .tag.severity { background: var(--color-danger-soft); color: #f87171; }
[data-theme="dark"] .tag.evidence { background: var(--color-success-soft); color: #34d399; }

[data-theme="dark"] .article-body blockquote {
  background: var(--color-primary-soft);
  border-left-color: var(--color-primary);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .article-body code {
  background: var(--color-bg-alt);
  color: var(--color-accent);
}

[data-theme="dark"] .article-body a {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary-dark);
}

[data-theme="dark"] .evidence-summary {
  background: linear-gradient(135deg, var(--color-info-soft) 0%, var(--color-primary-soft) 100%);
  border-color: var(--color-border);
}

[data-theme="dark"] .related-links {
  background: linear-gradient(135deg, var(--color-accent-soft) 0%, var(--color-warning-soft) 100%);
  border-color: var(--color-warning-border);
}

[data-theme="dark"] .search-box {
  background: var(--color-card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%236b7891' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E") no-repeat 16px center;
  color: var(--color-text);
  border-color: var(--color-border);
}

[data-theme="dark"] .quiz-disclaimer {
  background: linear-gradient(135deg, var(--color-warning-soft) 0%, var(--color-accent-soft) 100%);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .quiz-question-example {
  background: var(--color-bg-alt);
  border-left-color: var(--color-text-light);
}

[data-theme="dark"] .quiz-option {
  background: var(--color-card);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .quiz-option:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

[data-theme="dark"] .quiz-option.selected {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-color: var(--color-primary);
}

[data-theme="dark"] .result-risk-items li.critical {
  background: var(--color-danger-soft);
  border-left-color: var(--color-danger);
}

[data-theme="dark"] .result-risk-items li {
  background: var(--color-bg-alt);
}

[data-theme="dark"] .onboarding-option {
  background: var(--color-card);
  color: var(--color-text);
}

[data-theme="dark"] .onboarding-option:hover {
  background: var(--color-primary-soft);
}

[data-theme="dark"] .onboarding-option.selected {
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-info-soft) 100%);
  border-color: var(--color-primary);
}

[data-theme="dark"] .step-circle {
  background: var(--color-bg-alt);
  border-color: var(--color-border);
  color: var(--color-text-light);
}

[data-theme="dark"] .dashboard-header {
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-info-soft) 100%);
}

[data-theme="dark"] .recommended-article {
  background: var(--color-bg-alt);
}

[data-theme="dark"] .recommended-article:hover {
  background: var(--color-primary-soft);
}

[data-theme="dark"] .tool-card.priority {
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, transparent 100%);
}

[data-theme="dark"] .city-btn {
  background: var(--color-card);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .city-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

[data-theme="dark"] .city-btn.selected {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-color: var(--color-primary);
}

[data-theme="dark"] .tool-card-icon {
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-info-soft) 100%);
}

[data-theme="dark"] .ai-chat-panel {
  background: var(--color-card);
  border-color: var(--color-border);
}

[data-theme="dark"] .ai-chat-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

[data-theme="dark"] .ai-chat-messages {
  background: var(--color-bg);
}

[data-theme="dark"] .ai-message.ai-ai .ai-bubble,
[data-theme="dark"] .ai-message.ai-system .ai-bubble {
  background: var(--color-card);
  border-color: var(--color-border);
  color: var(--color-text);
}

[data-theme="dark"] .ai-message.ai-user .ai-bubble {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
}

[data-theme="dark"] .ai-chat-input-area {
  background: var(--color-card);
  border-top-color: var(--color-border);
}

[data-theme="dark"] .ai-chat-input {
  background: var(--color-bg-alt);
  border-color: var(--color-border);
  color: var(--color-text);
}

[data-theme="dark"] .ai-chat-input:focus {
  border-color: var(--color-primary);
  background: var(--color-card);
}

[data-theme="dark"] .theme-toggle {
  background: var(--color-card);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .theme-toggle:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

[data-theme="dark"] .quiz-progress-bar {
  background: var(--color-bg-alt);
}

[data-theme="dark"] .quiz-btn-secondary {
  background: var(--color-card);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .article-body h2 {
  border-top-color: var(--color-border-light);
}

[data-theme="dark"] .result-bar {
  background: var(--color-bg-alt);
}

[data-theme="dark"] .history-table th {
  color: var(--color-text-light);
}

[data-theme="dark"] .history-table td {
  border-bottom-color: var(--color-border-light);
}

[data-theme="dark"] .quiz-intro,
[data-theme="dark"] .result-history,
[data-theme="dark"] .city-placeholder {
  color: var(--color-text-secondary);
}

/* ============ 移动端汉堡菜单 ============ */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 38px;
  height: 38px;
  cursor: pointer;
  padding: 0 9px;
  transition: var(--transition);
}

.nav-toggle:hover { border-color: var(--color-primary-light); }

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) { opacity: 0; }

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 600px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-card);
    flex-direction: column;
    padding: 12px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 200;
    border-radius: 0 0 var(--radius) var(--radius);
  }

  .site-nav.open { transform: translateY(0); }

  .site-nav a {
    padding: 14px 16px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    border-bottom: none;
  }

  [data-theme="dark"] .site-nav {
    background: var(--color-card);
    border-bottom-color: var(--color-border);
  }
}

/* ============ 收藏/书签系统 ============ */
.bookmark-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  cursor: pointer;
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 18px;
}

.bookmark-btn:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.bookmark-btn.bookmarked {
  background: linear-gradient(135deg, var(--color-warning) 0%, #fbbf24 100%);
  border-color: var(--color-warning);
  color: white;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.bookmark-btn .bookmark-icon { font-size: 14px; }

[data-theme="dark"] .bookmark-btn {
  background: var(--color-card);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .bookmark-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

[data-theme="dark"] .bookmark-btn.bookmarked {
  background: linear-gradient(135deg, var(--color-warning) 0%, #fbbf24 100%);
  border-color: var(--color-warning);
  color: white;
}

/* 收藏列表 */
.bookmarks-section { margin-bottom: 28px; }

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

.bookmark-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}

.bookmark-item:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateX(2px);
}

.bookmark-star {
  font-size: 16px;
  flex-shrink: 0;
}

.bookmark-info {
  flex: 1;
  min-width: 0;
}

.bookmark-info h4 {
  font-size: 14px;
  margin: 0 0 4px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bookmark-info .bookmark-meta {
  font-size: 12px;
  color: var(--color-text-light);
}

.bookmark-remove {
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: 18px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.bookmark-remove:hover {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

[data-theme="dark"] .bookmark-remove:hover {
  background: var(--color-danger-soft);
  color: #f87171;
}

.no-bookmarks {
  text-align: center;
  padding: 36px;
  color: var(--color-text-light);
  font-size: 14px;
  background: var(--color-card);
  border-radius: var(--radius);
  border: 2px dashed var(--color-border);
}

/* ============ 文章页收藏按钮位置 ============ */
.article-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

/* 首页收藏区块 */
.home-bookmarks-section { margin-bottom: 28px; }

.home-bookmarks { display: grid; gap: 10px; }

.home-bookmark-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}

.home-bookmark-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateX(2px);
}

.home-bookmark-card .star { font-size: 16px; }

.home-bookmark-card .title {
  flex: 1;
  font-size: 14px;
  font-weight: 600;
}

.home-bookmark-card .cat {
  font-size: 12px;
  color: var(--color-text-light);
}

.home-bookmark-card .arrow {
  color: var(--color-text-light);
  font-size: 16px;
  transition: var(--transition);
}

.home-bookmark-card:hover .arrow {
  color: var(--color-primary);
  transform: translateX(3px);
}

/* 阅读进度条 */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-accent) 100%);
  z-index: 1000;
  transition: width 0.1s;
  width: 0;
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.5);
}

/* 文章页底部操作区 */
.article-actions {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-light);
  flex-wrap: wrap;
}

.article-actions .quiz-btn {
  font-size: 14px;
  padding: 10px 18px;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-light);
}

/* 选中文字色 */
::selection {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

[data-theme="dark"] ::selection {
  background: var(--color-primary-soft);
  color: var(--color-primary-light);
}

/* ============ 文章页 TOC 侧边栏 ============ */
.article-layout {
  display: block;
  position: relative;
}

.article-main { min-width: 0; }

.article-toc {
  display: none; /* 默认隐藏，桌面端侧栏显示 */
}

/* 桌面端：双栏布局，TOC 左侧 sticky */
@media (min-width: 1100px) {
  .article-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .article-toc {
    display: block;
    position: sticky;
    top: 84px; /* header 高度 + 间距 */
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding: 18px 0;
    font-size: 13px;
  }

  .toc-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
    padding-left: 14px;
  }

  .toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-left: 2px solid var(--color-border);
  }

  .toc-item {
    position: relative;
    padding: 0;
  }

  .toc-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 13px;
    line-height: 1.5;
    border-left: 2px solid transparent;
    margin-left: -2px; /* 覆盖列表边框 */
    transition: var(--transition);
    cursor: pointer;
  }

  .toc-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-soft);
  }

  .toc-item.active .toc-link {
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: var(--color-primary);
    background: linear-gradient(90deg, var(--color-primary-soft) 0%, transparent 100%);
  }

  .toc-num {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    font-size: 10px;
    font-weight: 700;
    color: var(--color-text-light);
    background: var(--color-bg-alt);
    border-radius: 50%;
    transition: var(--transition);
  }

  .toc-item.active .toc-num {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
  }

  /* 暗黑模式 */
  [data-theme="dark"] .toc-list { border-left-color: var(--color-border); }
  [data-theme="dark"] .toc-link { color: var(--color-text-secondary); }
  [data-theme="dark"] .toc-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-soft);
  }
  [data-theme="dark"] .toc-item.active .toc-link {
    color: var(--color-primary-light);
    border-left-color: var(--color-primary);
    background: linear-gradient(90deg, var(--color-primary-soft) 0%, transparent 100%);
  }
  [data-theme="dark"] .toc-num {
    background: var(--color-bg-alt);
    color: var(--color-text-light);
  }
  [data-theme="dark"] .toc-item.active .toc-num {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
  }
}

/* 移动端/中等屏：TOC 折叠为顶部可展开的"本文目录"卡片 */
@media (max-width: 1099px) {
  .article-toc {
    display: block;
    margin-bottom: 20px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
  }

  .toc-title {
    padding: 14px 18px;
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-bg-alt);
    transition: var(--transition);
    text-transform: none;
    letter-spacing: 0;
  }

  .toc-title:hover { background: var(--color-primary-soft); color: var(--color-primary); }

  .toc-title::after {
    content: '▾';
    font-size: 12px;
    color: var(--color-text-light);
    transition: var(--transition);
  }

  .article-toc.collapsed .toc-title::after { transform: rotate(-90deg); }

  .toc-list {
    list-style: none;
    padding: 8px 0;
    margin: 0;
    max-height: 500px;
    overflow-y: auto;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .article-toc.collapsed .toc-list {
    max-height: 0;
    padding: 0;
    overflow: hidden;
  }

  .toc-item { padding: 0; }

  .toc-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.5;
    transition: var(--transition);
    cursor: pointer;
    border-left: 3px solid transparent;
  }

  .toc-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-soft);
  }

  .toc-item.active .toc-link {
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: var(--color-primary);
    background: var(--color-primary-soft);
  }

  .toc-num {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-light);
    background: var(--color-bg-alt);
    border-radius: 50%;
    transition: var(--transition);
  }

  .toc-item.active .toc-num {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
  }

  [data-theme="dark"] .article-toc {
    background: var(--color-card);
    border-color: var(--color-border);
  }
  [data-theme="dark"] .toc-title { background: var(--color-bg-alt); color: var(--color-text); }
  [data-theme="dark"] .toc-title:hover { background: var(--color-primary-soft); color: var(--color-primary-light); }
  [data-theme="dark"] .toc-link { color: var(--color-text-secondary); }
  [data-theme="dark"] .toc-link:hover { color: var(--color-primary-light); background: var(--color-primary-soft); }
  [data-theme="dark"] .toc-item.active .toc-link {
    color: var(--color-primary-light);
    border-left-color: var(--color-primary);
    background: var(--color-primary-soft);
  }
  [data-theme="dark"] .toc-num { background: var(--color-bg-alt); color: var(--color-text-light); }
  [data-theme="dark"] .toc-item.active .toc-num {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
  }
}

/* 移动端点击标题展开/折叠 */
@media (max-width: 480px) {
  .toc-link { padding: 11px 16px; font-size: 14px; }
  .toc-title { padding: 12px 16px; font-size: 14px; }
}

/* ============ 媒体卡片（文章页配套资源）============ */
.article-media {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-light);
}
.article-media-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
}
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.media-card {
  display: flex;
  flex-direction: column;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}
.media-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.media-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 46px;
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.media-card.video .media-card-thumb {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-info) 100%);
}
.media-card.image .media-card-thumb {
  background: linear-gradient(135deg, var(--color-accent) 0%, #fbbf24 100%);
}
.media-play-icon {
  position: absolute;
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.22);
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  padding-left: 4px;
  backdrop-filter: blur(4px);
}
.media-card-body { padding: 14px 16px 16px; }
.media-card-title { font-size: 15px; font-weight: 600; margin-bottom: 4px; letter-spacing: -0.01em; }
.media-card-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
}
.media-card-source {
  display: inline-block;
  font-size: 11px;
  color: var(--color-text-light);
  background: var(--color-bg-alt);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

/* 顶部媒体区：位于正文上方，与文本一起呈现 */
.article-media.top {
  margin: 0 0 28px;
  padding: 20px;
  border-top: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--color-primary-softer) 0%, var(--color-card) 100%);
  box-shadow: var(--shadow-xs);
}
.article-media.top .article-media-title {
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-media.top .article-media-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* 内联媒体卡片：正文中占位符 {{media:ID}} 插入，横向紧凑布局 */
.media-card.inline {
  flex-direction: row;
  align-items: stretch;
  margin: 20px 0;
  border-radius: var(--radius);
}
.media-card.inline .media-card-thumb {
  width: 200px;
  max-width: 40%;
  aspect-ratio: 16 / 10;
  flex-shrink: 0;
}
.media-card.inline .media-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 14px 18px;
}
@media (max-width: 480px) {
  .media-card.inline { flex-direction: column; }
  .media-card.inline .media-card-thumb { width: 100%; max-width: none; }
}

/* ============ 问卷媒体折叠 ============ */
.quiz-media-toggle {
  margin-top: 12px;
  background: var(--color-primary-softer);
  border: 1px dashed var(--color-primary-light);
  color: var(--color-primary);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.quiz-media-toggle:hover { background: var(--color-primary-soft); }
.quiz-media-collapsible {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  margin-top: 0;
}
.quiz-media-collapsible.open {
  max-height: 500px;
  margin-top: 12px;
}
.quiz-media-collapsible .media-card-thumb { aspect-ratio: 16/9; }

/* ============ 多维度发育观察清单 ============ */
.result-dev-checklist {
  margin-top: 20px;
  padding: 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}
.result-dev-checklist h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}
.result-dev-checklist .hint {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}
.dev-dim {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.dev-dim:last-child { border-bottom: none; }
.dev-dim h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}
.dev-dim ul { list-style: none; padding: 0; }
.dev-dim li {
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 5px 0 5px 18px;
  position: relative;
  line-height: 1.6;
}
.dev-dim li::before {
  content: '○';
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
}
.dev-dim li a {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 12px;
  margin-left: 6px;
}
.dev-dim li a:hover { text-decoration: underline; }

/* ============ 发育里程碑自查 ============ */
.milestone-container { padding: 8px 0; }
.milestone-header h1 { margin-bottom: 8px; }
.milestone-intro {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.7;
}
.milestone-age-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.milestone-age-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px 18px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  min-width: 76px;
  box-shadow: var(--shadow-xs);
}
.milestone-age-tab .tab-emoji { font-size: 24px; }
.milestone-age-tab .tab-label { font-size: 13px; font-weight: 600; color: var(--color-text); }
.milestone-age-tab:hover { border-color: var(--color-primary-light); transform: translateY(-2px); }
.milestone-age-tab.active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-color: var(--color-primary);
  color: white;
}
.milestone-age-tab.active .tab-label { color: white; }

.milestone-cover {
  position: relative;
  aspect-ratio: 16 / 7;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: rgba(255, 255, 255, 0.96);
  margin-bottom: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.milestone-cover .cover-emoji { font-size: 60px; text-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.milestone-cover .cover-label { font-size: 20px; font-weight: 700; letter-spacing: 0.02em; }
.milestone-cover .cover-sub { font-size: 13px; opacity: 0.9; }

.milestone-section-title {
  font-size: 17px;
  font-weight: 600;
  margin: 8px 0 14px;
}
.milestone-domains {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.milestone-domain {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-xs);
}
.milestone-domain-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
}
.milestone-domain-header .dom-emoji { font-size: 20px; }
.milestone-domain ul { list-style: none; padding: 0; margin-bottom: 12px; }
.milestone-domain li {
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 5px 0 5px 20px;
  position: relative;
  line-height: 1.6;
}
.milestone-domain li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}
.milestone-redflag {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  background: var(--color-danger-soft);
  border-left: 3px solid var(--color-danger);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.6;
}
.milestone-redflag .rf-icon { flex-shrink: 0; }
.milestone-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}
.milestone-note {
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--color-warning-soft);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  border: 1px solid var(--color-warning-border);
}

/* dark 模式下媒体/里程碑卡片背景已通过 var 自动适配，补充缩略图在深色下的微调 */
[data-theme="dark"] .media-card,
[data-theme="dark"] .result-dev-checklist,
[data-theme="dark"] .milestone-domain,
[data-theme="dark"] .milestone-age-tab,
[data-theme="dark"] .quiz-media-toggle {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .quiz-media-toggle { background: var(--color-primary-softer); color: var(--color-primary-light); }
[data-theme="dark"] .media-card-source { background: var(--color-bg-alt); }
[data-theme="dark"] .milestone-redflag { background: var(--color-danger-soft); }

/* 三选选项（能独立完成/尝试但未达/无法独立完成） */
.quiz-options.triple { display: flex; flex-direction: column; gap: 10px; }
.quiz-options.triple .quiz-option {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 14px 18px;
}
.quiz-options.triple .quiz-option .quiz-option-label { font-weight: 600; }
.quiz-options.triple .quiz-option .quiz-option-hint {
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: 400;
}
.quiz-options.triple .quiz-option.selected .quiz-option-hint { color: var(--color-primary-light); }

/* 结果：「有尝试但未达标」温和标注 */
.badge-gentle {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  background: var(--color-warning-soft);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}
.result-risk-items li.gentle { opacity: 0.92; }

/* ============ 开放性观察题目 ============ */
.quiz-open-question { padding: 8px 0; }
.quiz-open-textarea {
  width: 100%;
  margin-top: 14px;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.7;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  resize: vertical;
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}
.quiz-open-textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow);
}
.quiz-open-textarea::placeholder { color: var(--color-text-light); }
.quiz-open-hint {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-text-light);
}

/* 开放性分析结果 */
.result-open-analysis {
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--color-primary-softer);
  border: 1px solid var(--color-primary-soft);
  border-radius: var(--radius-lg);
}
.result-open-analysis h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}
.result-open-analysis ul {
  list-style: none;
  padding: 0;
  margin: 0 0 10px;
}
.result-open-analysis li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
  border-bottom: 1px dashed var(--color-primary-soft);
}
.result-open-analysis li:last-child { border-bottom: none; }
.result-open-analysis li::before {
  content: '🔎';
  position: absolute;
  left: 0;
  top: 8px;
  font-size: 13px;
}
.result-open-analysis a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}
.result-open-analysis .hint {
  font-size: 12px;
  color: var(--color-text-light);
  line-height: 1.6;
}
[data-theme="dark"] .result-open-analysis {
  background: var(--color-primary-softer);
  border-color: var(--color-info);
}
[data-theme="dark"] .result-open-analysis h3 { color: var(--color-primary-light); }

/* ============ 星宝的世界（共情体验） ============ */
.sw-page { padding: 8px 0 24px; }

.sw-hero {
  text-align: center;
  padding: 28px 20px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-accent-soft) 100%);
  border: 1px solid var(--color-primary-soft);
  margin-bottom: 24px;
}
.sw-hero-badge {
  display: inline-block;
  font-size: 12px;
  color: var(--color-primary);
  background: var(--color-card);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  font-weight: 600;
}
.sw-hero h1 { font-size: 28px; margin: 0 0 10px; color: var(--color-primary-dark); }
.sw-hero p { font-size: 15px; color: var(--color-text); margin: 0 0 6px; line-height: 1.7; }
.sw-hero-sub { font-size: 13px; color: var(--color-text-secondary); margin-top: 8px; }

.sw-section { margin-bottom: 28px; }
.sw-section .section-title { margin-bottom: 8px; }
.sw-desc { font-size: 14px; line-height: 1.8; color: var(--color-text-secondary); margin: 0 0 14px; }

.sw-demo {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-xs);
  margin-bottom: 14px;
}
.sw-demo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.sw-demo-title { font-size: 14px; font-weight: 600; color: var(--color-text); }
.sw-demo-controls { display: flex; gap: 8px; }

.sw-btn {
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.sw-btn:hover:not(:disabled) { border-color: var(--color-primary-light); transform: translateY(-1px); }
.sw-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.sw-btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.sw-btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); }
.sw-btn-ghost { background: var(--color-primary-soft); border-color: var(--color-primary-soft); color: var(--color-primary); }
.sw-btn-ghost:hover:not(:disabled) { background: var(--color-primary-softer); }

/* 声音仪表 */
.sw-meter {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 44px;
  padding: 6px 8px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: 10px;
}
.sw-meter .sw-bar {
  flex: 1;
  height: 8px;
  background: var(--color-primary-soft);
  border-radius: 2px;
  transition: height 0.12s ease;
}
.sw-meter.active .sw-bar { background: var(--color-accent); }

.sw-tip { font-size: 12px; color: var(--color-text-light); line-height: 1.6; margin: 4px 0 0; }

.sw-understand {
  padding: 14px 16px;
  background: var(--color-primary-softer);
  border: 1px solid var(--color-primary-soft);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text);
}
.sw-understand ul { margin: 8px 0 0; padding-left: 18px; }
.sw-understand li { margin: 4px 0; }

/* 视觉过载 */
.sw-visual-box {
  position: relative;
  height: 180px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  overflow: hidden;
  margin-bottom: 10px;
}
.sw-visual-box span {
  position: absolute;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary-light);
  opacity: 0;
  transition: opacity 0.2s;
}
.sw-visual-box.active span {
  opacity: 1;
  animation: swFly 1.1s ease-in-out infinite alternate;
}
@keyframes swFly {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(var(--dx, 8px), var(--dy, -8px)) scale(1.3); }
  100% { transform: translate(calc(var(--dx, 8px) * -1), calc(var(--dy, -8px) * -1)) scale(0.9); }
}
.sw-visual-box.active span:nth-child(3n+1) { background: var(--color-accent); }
.sw-visual-box.active span:nth-child(3n+2) { background: var(--color-success); }

/* 荧光灯闪烁 */
.sw-demo-row { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 720px) { .sw-demo-row { grid-template-columns: 1fr 1fr; } }
.sw-flicker-box {
  padding: 26px 16px;
  text-align: center;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  line-height: 1.8;
}
.sw-flicker-box.active { animation: swFlicker 0.14s steps(2) infinite; }
@keyframes swFlicker {
  0% { opacity: 1; }
  100% { opacity: 0.35; }
}

/* 情景卡片 */
.sw-scenarios { display: flex; flex-direction: column; gap: 12px; }
.sw-scenario-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-xs);
}
.sw-scenario-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.sw-scenario-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  font-size: 18px;
}
.sw-scenario-head h3 { font-size: 15px; margin: 0; color: var(--color-primary-dark); }
.sw-scenario-seen { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin: 0 0 10px; }
.sw-scenario-inner {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-soft);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text);
}
.sw-scenario-card.revealed .sw-scenario-inner { display: block; }
.sw-scenario-key {
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 600;
}

/* 科普卡 */
.sw-knowledge { display: flex; flex-direction: column; gap: 12px; }
.sw-knowledge-card {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-xs);
}
.sw-knowledge-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-soft);
  border-radius: var(--radius);
  font-size: 20px;
}
.sw-knowledge-body h3 { font-size: 15px; margin: 0 0 6px; color: var(--color-primary-dark); }
.sw-knowledge-body p { font-size: 14px; line-height: 1.8; color: var(--color-text-secondary); margin: 0; }

/* 行动建议 */
.sw-actions-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 720px) { .sw-actions-grid { grid-template-columns: 1fr 1fr; } }
.sw-action-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-xs);
}
.sw-action-card b { display: block; font-size: 15px; color: var(--color-primary-dark); margin-bottom: 6px; }
.sw-action-card span { font-size: 13px; line-height: 1.7; color: var(--color-text-secondary); }

/* 相关阅读 */
.sw-related-links { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.sw-related-links a {
  padding: 8px 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
}
.sw-related-links a:hover { background: var(--color-primary-softer); transform: translateY(-1px); }
.sw-disclaimer {
  font-size: 12px;
  color: var(--color-text-light);
  line-height: 1.7;
  padding: 12px 14px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}

/* 深色模式微调 */
[data-theme="dark"] .sw-demo,
[data-theme="dark"] .sw-scenario-card,
[data-theme="dark"] .sw-knowledge-card,
[data-theme="dark"] .sw-action-card { background: var(--color-card); border-color: var(--color-border); }
[data-theme="dark"] .sw-hero { background: linear-gradient(135deg, var(--color-primary-softer) 0%, var(--color-accent-soft) 100%); }
[data-theme="dark"] .sw-scenario-inner { background: var(--color-accent-soft); box-shadow: none; }

/* ============ 译海灯塔 · 海外孤独症科研翻译平台 ============ */
/* 三大内容柱 */
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 720px) { .pillars-grid { grid-template-columns: repeat(3, 1fr); } }

.pillar-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
}
.pillar-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.pillar-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary-soft);
  border-radius: 6px;
  position: relative;
  z-index: 1;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
/* 图标呼吸光环：柔和扩散，贴合「灯塔光束」意象 */
.pillar-icon::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 10px;
  background: radial-gradient(circle, rgba(110, 168, 254, 0.35) 0%, rgba(110, 168, 254, 0) 70%);
  z-index: -1;
  animation: pillarPulse 3.2s ease-in-out infinite;
}
.pillar-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 8px;
  border: 1px solid rgba(110, 168, 254, 0.25);
  z-index: -1;
  animation: pillarRing 3.2s ease-in-out infinite;
}
@keyframes pillarPulse {
  0%, 100% { opacity: 0.5; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.12); }
}
@keyframes pillarRing {
  0%, 100% { opacity: 0.15; transform: scale(0.9); }
  50% { opacity: 0.55; transform: scale(1.18); }
}
.pillar-card:hover .pillar-icon {
  background: var(--color-primary-light);
  color: #fff;
  border-color: var(--color-primary-light);
  transform: scale(1.04);
}
.pillar-card:hover .pillar-icon::after { animation-duration: 1.6s; }
.pillar-card:hover .pillar-icon::before { animation-duration: 1.6s; }
.pillar-body { flex: 1; min-width: 0; }
.pillar-name {
  font-family: "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.pillar-en {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
}
.pillar-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 6px 0;
}
.pillar-count {
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 600;
}
.pillar-arrow {
  flex-shrink: 0;
  color: var(--color-text-light);
  font-size: 18px;
  transition: var(--transition);
}
.pillar-card:hover .pillar-arrow { color: var(--color-primary); transform: translateX(4px); }

/* 三大内容柱：学术背景图（克制裁剪 + 留白） */
.pillar-card {
  background-size: cover;
  background-position: center;
}
.pillar-card .pillar-bg-cover {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.96) 0%,
    rgba(255, 255, 255, 0.9) 48%,
    rgba(255, 255, 255, 0.55) 100%
  );
  pointer-events: none;
}
.pillar-card.has-bg .pillar-icon,
.pillar-card.has-bg .pillar-body,
.pillar-card.has-bg .pillar-arrow {
  position: relative;
  z-index: 1;
}
.pillar-card.has-bg {
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* 首页精选视频区 */
.home-video { margin: 8px 0 8px; }
.home-video-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.home-video-head .section-title { margin: 24px 0 12px; }
.home-video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: stretch;
}
.home-video-grid .video-wrap {
  display: flex;
  align-items: center;
  min-height: 100%;
}
@media (min-width: 720px) {
  .home-video-grid { grid-template-columns: 1.35fr 1fr; }
}
.home-video .video-player { margin: 0; }
.home-video-info {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
}
.hv-title { font-size: 17px; font-weight: 700; line-height: 1.4; color: var(--color-text); font-family: "Noto Serif SC", Georgia, serif; }
.hv-meta { font-size: 12px; color: var(--color-primary); font-weight: 600; margin: 6px 0; letter-spacing: 0.02em; }
.hv-caption { font-size: 14px; line-height: 1.8; color: var(--color-text-secondary); margin-bottom: 14px; }

/* 海外内容卡片 */
.overseas-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 720px) { .overseas-grid { grid-template-columns: repeat(2, 1fr); } }

.overseas-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
  border-left: 4px solid var(--color-border);
}
.overseas-card.paper { border-left-color: var(--color-primary); }
.overseas-card.video { border-left-color: var(--color-info); padding: 10px 10px 14px; }
.overseas-card .oc-thumb { margin: 0; }
.overseas-card .oc-thumb .video-player { margin: 0; border-radius: calc(var(--radius-lg) - 6px); }
.overseas-card .oc-thumb .vp-play { width: 52px; height: 52px; font-size: 19px; }
.overseas-card .oc-thumb .vp-hint { font-size: 12px; }
.overseas-card .oc-body { display: flex; flex-direction: column; gap: 6px; padding: 8px 8px 0; }
.overseas-card .oc-link { text-decoration: none; }
.overseas-card.video:hover .oc-link .oc-arrow { color: var(--color-primary); transform: translateX(3px); }
.overseas-card.digest { border-left-color: var(--color-accent); }
.overseas-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.oc-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
}
.oc-title { font-size: 16px; font-weight: 700; line-height: 1.4; color: var(--color-text); }
.oc-meta { font-size: 12px; color: var(--color-text-light); }
.oc-summary { font-size: 13px; color: var(--color-text-secondary); line-height: 1.7; }
.oc-key {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-primary-dark);
  background: var(--color-primary-softer);
  border-left: 3px solid var(--color-primary);
  border-radius: 4px;
  padding: 8px 12px;
  font-weight: 500;
}
.oc-foot {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.oc-source { font-size: 12px; color: var(--color-primary); font-weight: 600; }
.oc-arrow { font-size: 14px; color: var(--color-text-light); transition: var(--transition); }
.overseas-card:hover .oc-arrow { color: var(--color-primary); transform: translateX(3px); }

/* 滚动渐入动效（克制型：上浮淡入 + 交错延迟） */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  transition-delay: calc(var(--i, 0) * 60ms);
  will-change: opacity, transform;
}
.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.more-link {
  display: inline-block;
  margin: 14px 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}
.more-link:hover { color: var(--color-primary-dark); transform: translateX(3px); }

/* ============ 研究视频 · 海外报纸排版 ============ */
.np-paper {
  max-width: 980px;
  margin: 0 auto;
  background: #fbfaf6;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 28px 30px 24px;
  box-shadow: var(--shadow-md);
  color: #2b2f36;
}
/* 报头 */
.np-masthead { text-align: center; margin-bottom: 22px; }
.np-masthead-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #6a6f78;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.np-title {
  font-family: "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: 40px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: #1c2026;
  line-height: 1.1;
  margin: 6px 0 4px;
}
.np-sub {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #7a7f88;
  margin: 4px 0 12px;
}
/* 双横线与单横线（报纸经典分隔） */
.np-rule { border-top: 1px solid #1c2026; margin: 10px 0; }
.np-rule-double { border-top: 3px double #1c2026; }
.np-ticker {
  font-size: 12px;
  color: #4a4f58;
  letter-spacing: 0.02em;
  padding: 2px 0 10px;
}
/* 头条 */
.np-lead {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 6px 0 20px;
}
@media (min-width: 760px) { .np-lead { grid-template-columns: 1.15fr 1fr; gap: 24px; } }
.np-lead-highlight .video-player { margin: 0; border: 1px solid #d8d4c8; border-radius: 2px; }
.np-lead-body { display: flex; flex-direction: column; gap: 8px; }
.np-section {
  font-family: Georgia, serif;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #9a3b2e;
  font-weight: 700;
}
.np-lead-title {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.3;
  color: #1c2026;
}
.np-lead-meta, .np-col-meta { font-size: 12px; color: #7a7f88; font-style: italic; }
.np-lead-caption, .np-col-caption { font-size: 13px; color: #4a4f58; line-height: 1.75; }
.np-lead-link, .np-col-link {
  font-size: 13px;
  font-weight: 700;
  color: #9a3b2e;
  text-decoration: none;
  letter-spacing: 0.02em;
  margin-top: 4px;
}
.np-lead-link:hover, .np-col-link:hover { text-decoration: underline; }
/* 专栏分栏 */
.np-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  border-top: 1px solid #1c2026;
  padding: 18px 0 6px;
}
@media (min-width: 640px) { .np-columns { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .np-columns { grid-template-columns: repeat(3, 1fr); } }
.np-col { display: flex; flex-direction: column; gap: 7px; }
.np-col-media .video-player { margin: 0; border: 1px solid #d8d4c8; border-radius: 2px; }
/* 论文 / 速读头版：证据徽标 */
.np-paper-badge {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  border: 1px solid #d8d4c8;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.6), rgba(250,249,246,0.2)),
    repeating-linear-gradient(0deg, transparent, transparent 23px, rgba(28,32,38,0.04) 24px);
  padding: 24px;
  text-align: center;
}
.np-badge-evidence {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 22px;
  font-weight: 800;
  color: #9a3b2e;
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.np-badge-journal {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #6a6f78;
  text-transform: uppercase;
}
.np-col-title {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
  color: #1c2026;
}
.np-col-tags { font-size: 11px; letter-spacing: 0.06em; color: #9a3b2e; }
/* 版权栏 */
.np-colophon { margin-top: 18px; }
.np-colophon-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: #6a6f78;
}
[data-theme="dark"] .np-paper { background: #20242a; border-color: #33383f; color: #e2e6ea; }
[data-theme="dark"] .np-title,
[data-theme="dark"] .np-lead-title,
[data-theme="dark"] .np-col-title { color: #f0f2f5; }
[data-theme="dark"] .np-rule { border-top-color: #8a9099; }
[data-theme="dark"] .np-rule-double { border-top: 3px double #8a9099; }
[data-theme="dark"] .np-sub,
[data-theme="dark"] .np-date,
[data-theme="dark"] .np-edition,
[data-theme="dark"] .np-colophon-inner { color: #9aa0a9; }
[data-theme="dark"] .np-ticker,
[data-theme="dark"] .np-lead-caption,
[data-theme="dark"] .np-col-caption { color: #c3c7cd; }
[data-theme="dark"] .np-lead-meta,
[data-theme="dark"] .np-col-meta { color: #8a9099; }
[data-theme="dark"] .np-lead-highlight .video-player,
[data-theme="dark"] .np-col-media .video-player,
[data-theme="dark"] .np-paper-badge { border-color: #3a3f46; }
[data-theme="dark"] .np-section,
[data-theme="dark"] .np-lead-link,
[data-theme="dark"] .np-col-link,
[data-theme="dark"] .np-col-tags { color: #e08a7a; }

/* ============ 权威资源库 ============ */
.lib-paper {
  max-width: 980px;
  margin: 0 auto;
  background: #fbfaf6;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 28px 30px 24px;
  box-shadow: var(--shadow-md);
  color: #2b2f36;
}
.lib-groups { display: flex; flex-direction: column; gap: 26px; }
.lib-group-head {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid #1c2026;
  padding-bottom: 10px;
  margin-bottom: 16px;
}
.lib-group-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.lib-group-name {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 18px;
  font-weight: 800;
  color: #1c2026;
}
.lib-group-en { font-size: 11px; letter-spacing: 0.1em; color: #7a7f88; text-transform: uppercase; }
.lib-item-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 640px) { .lib-item-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .lib-item-grid { grid-template-columns: 1fr 1fr 1fr; } }
.lib-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 14px;
  background: #ffffff;
  border: 1px solid #e6e1d5;
  border-radius: 6px;
  text-decoration: none;
  color: #2b2f36;
  transition: var(--transition);
}
.lib-item:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.lib-item-top { display: flex; justify-content: space-between; align-items: center; }
.lib-tag {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: #9a3b2e;
  font-weight: 700;
}
.lib-external { color: var(--color-primary); font-size: 14px; }
.lib-item-name {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 15px;
  font-weight: 800;
  color: #1c2026;
  line-height: 1.35;
}
.lib-item-en { font-size: 11px; color: #7a7f88; font-style: italic; }
.lib-item-desc { font-size: 12.5px; color: #4a4f58; line-height: 1.7; flex: 1; }
.lib-item-link { font-size: 12.5px; font-weight: 700; color: #9a3b2e; margin-top: 4px; }
.lib-item:hover .lib-item-link { text-decoration: underline; }
[data-theme="dark"] .lib-paper { background: #20242a; border-color: #33383f; color: #e2e6ea; }
[data-theme="dark"] .lib-group-name,
[data-theme="dark"] .lib-item-name { color: #f0f2f5; }
[data-theme="dark"] .lib-group-head { border-bottom-color: #8a9099; }
[data-theme="dark"] .lib-item { background: #262b32; border-color: #3a3f46; color: #e2e6ea; }
[data-theme="dark"] .lib-item-desc { color: #c3c7cd; }
[data-theme="dark"] .lib-group-en,
[data-theme="dark"] .lib-item-en { color: #9aa0a9; }
[data-theme="dark"] .lib-tag,
[data-theme="dark"] .lib-item-link { color: #e08a7a; }

/* 首页权威资源库入口 */
.library-callout {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 22px 0 4px;
  padding: 18px 22px;
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-accent-soft) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
}
.library-callout:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-primary-light);
}
.library-callout-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: var(--radius);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--shadow-sm);
}
.library-callout-body { flex: 1; min-width: 0; }
.library-callout-title {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-primary-dark);
}
.library-callout-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 4px;
  line-height: 1.7;
}
.library-callout-arrow {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--color-primary);
  transition: var(--transition);
}
.library-callout:hover .library-callout-arrow { transform: translateX(4px); }

/* 信任区 */
.trust-block { margin: 40px 0 8px; }
.trust-points { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 720px) { .trust-points { grid-template-columns: repeat(3, 1fr); } }
.trust-point {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}
.trust-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary-soft);
  border-radius: 6px;
}
.trust-body h4 { font-size: 15px; font-weight: 600; margin: 0 0 6px; color: var(--color-primary-dark); }
.trust-body p { font-size: 13px; line-height: 1.7; color: var(--color-text-secondary); margin: 0; }
.trust-body p b { color: var(--color-danger); font-weight: 600; }
.why-intro {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-primary);
  border-radius: 6px;
  padding: 12px 16px;
  margin: 0 0 16px;
}

/* 列表页头部 */
.list-hero {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 26px;
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-info-soft) 100%);
  border: 1px solid var(--color-primary-soft);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}
.list-hero-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.list-hero h1 { font-size: 24px; font-weight: 700; margin: 0 0 6px; color: var(--color-primary-dark); }
.list-hero-desc { font-size: 14px; color: var(--color-text-secondary); margin: 0; line-height: 1.7; }

/* 详情页 */
.overseas-detail {
  max-width: 760px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
}
.od-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.od-evidence,
.od-source {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}
.od-evidence {
  color: var(--color-success);
  background: var(--color-success-soft);
  border: 1px solid var(--color-success-soft);
}
.od-source {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary-soft);
}
.overseas-detail h1 { font-size: 26px; font-weight: 700; line-height: 1.35; margin: 0 0 10px; color: var(--color-text); }
.od-en { font-size: 14px; color: var(--color-text-light); font-style: italic; margin: 0 0 20px; }
.od-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  margin-bottom: 18px;
  font-size: 14px;
  color: var(--color-text-secondary);
}
.od-meta div span { font-weight: 700; color: var(--color-text); margin-right: 8px; }
.od-meta code { background: var(--color-card); padding: 2px 8px; border-radius: var(--radius-sm); font-size: 12px; color: var(--color-primary); }
.od-original {
  display: inline-block;
  margin-bottom: 24px;
  padding: 10px 20px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}
.od-original:hover { background: var(--color-primary-softer); }
.od-original.primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}
/* 速读详情：原文 / 深读链接组 */
.od-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 4px;
}
.od-links .od-original { margin-bottom: 0; }
.overseas-detail h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 24px 0 12px;
  color: var(--color-primary-dark);
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}
.overseas-detail h2:first-of-type { border-top: none; padding-top: 0; }
.overseas-detail > p { font-size: 15px; line-height: 1.85; color: var(--color-text); }
.od-list { padding-left: 20px; margin: 0; }
.od-list li { font-size: 15px; line-height: 1.8; color: var(--color-text-secondary); margin: 8px 0; }
.od-takeaway {
  margin-top: 24px;
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--color-warning-soft) 0%, var(--color-accent-soft) 100%);
  border: 1px solid var(--color-warning-border);
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--color-text);
}
.od-review {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--color-border);
  font-size: 12px;
  color: var(--color-text-light);
  letter-spacing: 0.03em;
}
/* 论文双模式 */
.od-tabs {
  display: flex;
  gap: 8px;
  margin: 18px 0 4px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0;
}
.od-tab {
  display: inline-block;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  background: var(--color-bg-alt);
  transition: var(--transition);
}
.od-tab:hover { color: var(--color-primary); }
.od-tab.active {
  color: var(--color-primary-dark);
  background: var(--color-card);
  border-color: var(--color-primary-light);
  box-shadow: inset 0 2px 0 var(--color-primary);
}
.od-args { display: flex; flex-direction: column; gap: 12px; }
.od-arg {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-primary);
  border-radius: 6px;
  padding: 12px 14px;
}
.od-arg-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.od-arg p { font-size: 13.5px; line-height: 1.75; color: var(--color-text); margin: 0; }
.od-full-note { font-size: 13px; color: var(--color-text-light); margin: -6px 0 14px; }
.od-bilingual {
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-text-light);
  border-radius: 6px;
  margin-bottom: 14px;
  overflow: hidden;
}
.od-bilingual-en {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  background: var(--color-bg-alt);
  padding: 12px 14px;
  font-style: italic;
}
.od-bilingual-cn {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--color-text);
  padding: 12px 14px;
}
.od-note {
  font-size: 13px;
  color: var(--color-text-light);
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: 6px;
  padding: 16px;
  margin: 12px 0;
}
.od-hook {
  padding: 16px 18px;
  background: var(--color-info-soft);
  border-left: 4px solid var(--color-info);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 8px;
}
.od-body { font-size: 15px; line-height: 1.85; color: var(--color-text); margin-bottom: 20px; }

/* 循证·防骗 组件 */
.section-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary-soft);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}
.oc-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: var(--color-success);
  background: var(--color-success-soft);
  border: 1px solid var(--color-success-soft);
  padding: 1px 8px;
  border-radius: var(--radius-full);
  margin-left: 4px;
  vertical-align: 1px;
}
.oc-play {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: var(--color-info);
  background: var(--color-info-soft);
  border: 1px solid var(--color-info-soft);
  padding: 1px 8px;
  border-radius: var(--radius-full);
  margin-left: 4px;
  vertical-align: 1px;
}
.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 18px 0;
  border: 1px solid var(--color-border);
}
.video-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* 视频播放器：封面先见、点击即播 */
.video-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 18px 0;
  border: 1px solid var(--color-border);
}
.video-player .video-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.vp-cover {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  cursor: pointer;
  transition: opacity 0.3s ease;
}
.vp-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
}
.vp-play {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: none;
  background: rgba(110, 168, 254, 0.92);
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.vp-play:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.5);
}
.vp-hint {
  position: relative;
  z-index: 1;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
  letter-spacing: 0.02em;
}
.video-wrap { margin: 0; }
.evidence-ladder { margin: 40px 0 8px; }
.ladder { display: flex; flex-direction: column; gap: 10px; }
.ladder-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  font-size: 14px;
  color: var(--color-text-secondary);
}
.ladder-item span {
  flex-shrink: 0;
  width: 34px;
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.ladder-item b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-right: 8px;
  border-radius: 4px;
  font-size: 12px;
  color: #fff;
}
.ladder-item.good b { background: var(--color-success); }
.ladder-item.warn b { background: var(--color-warning); }
.ladder-item.bad b { background: var(--color-danger); }
.ladder-item.good { border-left: 4px solid var(--color-success); }
.ladder-item.warn { border-left: 4px solid var(--color-warning); }
.ladder-item.bad { border-left: 4px solid var(--color-danger); }
.od-anti {
  margin-top: 24px;
  padding: 16px 18px;
  background: var(--color-danger-soft);
  border: 1px solid var(--color-danger-soft);
  border-left: 4px solid var(--color-danger);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text);
}
.od-anti-head {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-danger);
  margin-bottom: 6px;
}
.od-anti p { margin: 0; color: var(--color-text-secondary); }

/* 深色模式微调 */
[data-theme="dark"] .pillar-card,
[data-theme="dark"] .overseas-card,
[data-theme="dark"] .trust-point,
[data-theme="dark"] .overseas-detail { background: var(--color-card); border-color: var(--color-border); }
[data-theme="dark"] .pillar-name,
[data-theme="dark"] .trust-body h4,
[data-theme="dark"] .list-hero h1,
[data-theme="dark"] .overseas-detail h2 { color: var(--color-primary-light); }
[data-theme="dark"] .oc-eyebrow,
[data-theme="dark"] .oc-meta { color: var(--color-text-light); }
[data-theme="dark"] .oc-title { color: var(--color-text); }
[data-theme="dark"] .od-meta { background: var(--color-bg-alt); }
[data-theme="dark"] .od-evidence { color: #34d399; background: var(--color-success-soft); }
[data-theme="dark"] .od-takeaway { background: linear-gradient(135deg, var(--color-warning-soft) 0%, var(--color-accent-soft) 100%); }
[data-theme="dark"] .od-hook { background: var(--color-info-soft); }
[data-theme="dark"] .list-hero { background: linear-gradient(135deg, var(--color-primary-softer) 0%, var(--color-info-soft) 100%); }

/* 移动端 */
@media (max-width: 480px) {
  .overseas-detail { padding: 24px 20px; border-radius: var(--radius-lg); }
  .overseas-detail h1 { font-size: 21px; }
  .pillar-card { flex-direction: column; align-items: flex-start; }
  .list-hero { flex-direction: column; align-items: flex-start; }
}

/* ============ 论文速读 · 简报版式 ============ */
.brief-paper { max-width: 980px; }
.brief-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 6px 0 10px;
}
@media (min-width: 760px) { .brief-layout { grid-template-columns: 1fr 250px; gap: 28px; } }
.brief-col-head {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 16px;
  font-weight: 800;
  color: #1c2026;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid #1c2026;
  padding-bottom: 8px;
  margin-bottom: 14px;
}
/* 主栏：紧凑条目 */
.brief-list { display: flex; flex-direction: column; gap: 10px; }
.brief-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-decoration: none;
  color: #2b2f36;
  border: 1px solid #e6e1d5;
  border-radius: 6px;
  padding: 14px 16px;
  background: #ffffff;
  transition: var(--transition);
}
.brief-row:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateX(3px);
}
.brief-num {
  flex-shrink: 0;
  font-family: Georgia, serif;
  font-size: 22px;
  font-weight: 700;
  color: #c9c2b2;
  line-height: 1.2;
  min-width: 30px;
}
.brief-row:hover .brief-num { color: #9a3b2e; }
.brief-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.brief-tags {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: #7a7f88;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brief-time {
  background: #9a3b2e;
  color: #fff;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  letter-spacing: 0.02em;
}
.brief-title {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 15px;
  font-weight: 800;
  color: #1c2026;
  line-height: 1.4;
}
.brief-hook { font-size: 12.5px; color: #4a4f58; line-height: 1.6; }
.brief-arrow { flex-shrink: 0; color: #9a3b2e; font-size: 18px; margin-top: 2px; }
/* 侧栏 */
.brief-side { display: flex; flex-direction: column; gap: 14px; }
.brief-side-card {
  border: 1px solid #e6e1d5;
  border-radius: 6px;
  padding: 16px;
  background: #ffffff;
}
.brief-side-title {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 14px;
  font-weight: 800;
  color: #9a3b2e;
  margin-bottom: 8px;
}
.brief-side-card p { font-size: 12.5px; color: #4a4f58; line-height: 1.7; margin: 0; }
.brief-tips { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.brief-tips li {
  font-size: 12.5px;
  color: #4a4f58;
  line-height: 1.6;
  padding-left: 14px;
  position: relative;
}
.brief-tips li::before {
  content: '·';
  position: absolute;
  left: 2px;
  color: #9a3b2e;
  font-weight: 700;
}
.brief-side-cta {
  display: block;
  text-align: center;
  padding: 10px 14px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}
.brief-side-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
[data-theme="dark"] .brief-col-head { color: #f0f2f5; border-bottom-color: #8a9099; }
[data-theme="dark"] .brief-row { background: #262b32; border-color: #3a3f46; color: #e2e6ea; }
[data-theme="dark"] .brief-title { color: #f0f2f5; }
[data-theme="dark"] .brief-hook { color: #c3c7cd; }
[data-theme="dark"] .brief-tags { color: #9aa0a9; }
[data-theme="dark"] .brief-num { color: #5a6068; }
[data-theme="dark"] .brief-side-card { background: #262b32; border-color: #3a3f46; }
[data-theme="dark"] .brief-side-card p,
[data-theme="dark"] .brief-tips li { color: #c3c7cd; }