:root {
  --bg: #fff8fb;
  --surface: #ffffff;
  --surface-soft: #fff0f5;
  --ink: #28222d;
  --muted: #706777;
  --brand: #df4d7a;
  --brand-dark: #982b58;
  --accent: #7d62c9;
  --line: #efdce4;
  --shadow: 0 18px 45px rgba(80, 35, 60, .12);
  --radius: 24px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fff8fb 0%, #ffffff 40%, #fff6fa 100%);
  line-height: 1.7;
}

a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

img, video { max-width: 100%; display: block; }

.site-header {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.top-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: center;
  padding: 8px 18px;
  background: #2a2030;
  color: #fff;
  font-size: 13px;
}

.header-inner,
.main-nav,
.fake-search,
main,
.site-footer .footer-grid {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  gap: 24px;
  align-items: center;
  padding: 22px 0 16px;
}

.brand-logo img,
.footer-logo img { width: 210px; height: auto; }

.brand-copy p { margin: 0; color: var(--muted); }
.eyebrow {
  color: var(--brand-dark) !important;
  font-weight: 700;
  letter-spacing: .03em;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 0 16px;
}

.main-nav a {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-weight: 700;
}

.fake-search {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 0 0 18px;
}

.fake-search label {
  font-weight: 700;
  color: var(--brand-dark);
}

.fake-search input {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 15px;
  background: #fff;
}

.fake-search button,
.btn,
.share-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(156, 54, 104, .18);
}

.search-hint {
  grid-column: 2 / 4;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

main { padding: 28px 0 56px; }

.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  align-items: center;
  padding: 28px;
  border-radius: 34px;
  background: radial-gradient(circle at top left, #ffe2ec, #fff 52%, #f7f1ff);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.82);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(32px, 4.2vw, 58px);
  line-height: 1.14;
}

.hero p { color: var(--muted); font-size: 18px; }

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

.btn.secondary {
  background: #fff;
  color: var(--brand-dark);
  border: 1px solid var(--line);
}

.hero-media {
  margin: 0;
}

.hero-media img {
  border-radius: 26px;
  box-shadow: 0 24px 45px rgba(83, 44, 74, .18);
}

.image-desc,
.fig-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 24px 0;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(80, 35, 60, .07);
}

.stat-card strong {
  display: block;
  font-size: 26px;
  color: var(--brand-dark);
}

.section {
  margin-top: 34px;
  padding: 26px;
  background: rgba(255,255,255,.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 34px rgba(80, 35, 60, .06);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.section-heading h2,
.section h2,
.article-body h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }

.card,
.article-card,
.author-card,
.comment-card,
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 8px 24px rgba(80, 35, 60, .055);
}

.card h3,
.article-card h3,
.author-card h3 {
  margin: 12px 0 8px;
  font-size: 20px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--muted);
  font-size: 13px;
  margin: 8px 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 12px 0 0;
  list-style: none;
}

.tag-list li,
.tag {
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--brand-dark);
  padding: 5px 10px;
  font-size: 13px;
  font-weight: 700;
}

.video-card {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  background: #2a2030;
  min-height: 220px;
  box-shadow: var(--shadow);
}

.video-card img,
.video-card video {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  transition: transform .3s ease, opacity .3s ease;
}

.video-card:hover img,
.video-card:hover video { transform: scale(1.04); opacity: .88; }

.play-icon {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 70px;
  height: 70px;
  transform: translate(-50%, -50%) scale(.92);
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  opacity: 0;
  transition: opacity .22s ease, transform .22s ease;
  display: grid;
  place-items: center;
}

.play-icon::before {
  content: "";
  display: block;
  margin-left: 5px;
  border-left: 22px solid var(--brand);
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
}

.video-card:hover .play-icon { opacity: 1; transform: translate(-50%, -50%) scale(1); }

.video-label {
  position: absolute;
  left: 14px;
  bottom: 14px;
  right: 14px;
  border-radius: 18px;
  padding: 10px 12px;
  color: #fff;
  background: linear-gradient(180deg, rgba(20,15,25,.12), rgba(20,15,25,.82));
}

.video-label strong { display: block; }

.list-compact {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list-compact li {
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
}

.list-compact li:last-child { border-bottom: 0; }

.topic-banner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 22px;
  align-items: center;
  background: linear-gradient(135deg, #fff0f5, #f7f3ff);
  border-radius: 26px;
  padding: 20px;
}

.topic-banner img { border-radius: 22px; }

.breadcrumb {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 18px;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
}

.article-body {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 4vw, 42px);
  box-shadow: var(--shadow);
}

.article-body h1 {
  margin-top: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
}

.article-body p { font-size: 17px; }

.article-body figure {
  margin: 24px 0;
}

.article-body figure img {
  border-radius: 22px;
}

.sidebar {
  display: grid;
  gap: 18px;
  align-content: start;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  background: #fff0f5;
  color: var(--brand-dark);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--brand-dark);
}

.comments {
  display: grid;
  gap: 14px;
}

.comment-card strong { color: var(--brand-dark); }

.share-panel {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.notice {
  border-left: 5px solid var(--brand);
  background: #fff5f8;
  padding: 14px 16px;
  border-radius: 16px;
  color: #5c4a58;
}

.site-footer {
  background: #211926;
  color: #fff;
  padding: 34px 0;
}

.site-footer a { color: #ffd9e4; }
.site-footer h2 { margin-top: 0; }
.site-footer .muted { color: #d8cbdc; }

.footer-grid {
  display: grid;
  grid-template-columns: 240px 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #211926;
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  z-index: 40;
}

@media (max-width: 920px) {
  .hero,
  .topic-banner,
  .article-shell,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .grid.three,
  .grid.four,
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .fake-search {
    grid-template-columns: 1fr;
  }
  .search-hint { grid-column: auto; }
  .header-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .grid.two,
  .grid.three,
  .grid.four,
  .stats-strip {
    grid-template-columns: 1fr;
  }
  .section { padding: 18px; }
  .hero { padding: 20px; }
  .main-nav { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 12px; }
  .main-nav a { white-space: nowrap; }
}