:root {
  --page-bg: #f5f7f4;
  --panel: #ffffff;
  --panel-soft: #f9fbf8;
  --text: #15241f;
  --muted: #60716b;
  --line: #dbe5df;
  --green: #167c72;
  --green-dark: #0b5f58;
  --blue: #2f6ea6;
  --gold: #b7791f;
  --shadow: 0 18px 48px rgba(21, 36, 31, .08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(180deg, #f8faf7 0%, var(--page-bg) 56%, #eef5f2 100%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}

a { color: var(--green-dark); }

.notice-bar {
  background: #eaf4ef;
  border-bottom: 1px solid var(--line);
  color: var(--green-dark);
  font-size: 14px;
}

.notice-inner, .site-header, .article-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.notice-inner {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 950;
  line-height: 1.2;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 9px;
}

.nav-link, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .82);
  color: var(--text);
  font-weight: 850;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary, .nav-link.cta {
  border-color: var(--green-dark);
  background: var(--green-dark);
  color: #fff;
  box-shadow: 0 14px 30px rgba(11, 95, 88, .18);
}

.btn-secondary {
  border-color: rgba(22, 124, 114, .28);
  background: #fff;
  color: var(--green-dark);
}

.btn-soft {
  background: #edf7f3;
  color: var(--green-dark);
}

.article-shell { padding: 12px 0 86px; }

.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 22px;
  align-items: stretch;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, .78);
  box-shadow: var(--shadow);
}

.article-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #eaf4ef;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 850;
}

.tag.blue { background: #e9f2fb; color: var(--blue); }
.tag.gold { background: #fff4de; color: var(--gold); }

h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.14;
  letter-spacing: 0;
}

.article-summary {
  max-width: 780px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

.purchase-card, .conclusion-card, .risk-card, .article-toc, .article-main {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.purchase-card {
  padding: 20px;
}

.purchase-card.compact { box-shadow: none; }

.purchase-card h2, .purchase-card h3, .conclusion-card h2, .risk-card h2, .article-toc h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.25;
}

.price-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 4px 0 12px;
  color: var(--green-dark);
  font-weight: 950;
}

.price-line strong { font-size: 36px; line-height: 1; }
.price-line span { color: var(--muted); font-size: 14px; }

.check-list, .risk-list {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
}

.check-list li, .risk-list li {
  position: relative;
  padding-left: 18px;
}

.check-list li::before, .risk-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.card-note { margin: 12px 0 0; color: var(--muted); font-size: 13px; }

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 780px) 300px;
  gap: 22px;
  align-items: start;
  margin-top: 24px;
}

.article-main {
  padding: clamp(20px, 3vw, 30px);
}

.article-sidebar {
  display: grid;
  gap: 14px;
  position: sticky;
  top: 16px;
}

.conclusion-card, .risk-card, .article-toc {
  margin: 0 0 22px;
  padding: 18px;
  box-shadow: none;
}

.conclusion-card {
  background: linear-gradient(135deg, #f0fbf7, #ffffff);
}

.risk-card {
  background: #fffaf0;
  border-color: #f0dfbd;
}

.article-toc ol {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
}

.article-body {
  max-width: 100%;
  font-size: 17px;
}

.article-body h2 {
  margin: 34px 0 12px;
  font-size: 28px;
  line-height: 1.25;
  letter-spacing: 0;
}

.article-body h3 {
  margin: 24px 0 8px;
  font-size: 21px;
}

.article-body p { margin: 12px 0; }
.article-body ul, .article-body ol { padding-left: 24px; }
.article-body li { margin: 7px 0; }

.article-body .compare, .article-body .table {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.article-body .compare {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.article-body .compare div, .article-body .row, .article-body .trust-item, .article-body .note-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-soft);
  padding: 14px;
}

.article-body .row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 10px;
}

.article-body .trust-strip, .article-body .feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.article-body .feedback-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 8px;
  text-decoration: none;
}

.article-body .feedback-card img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: top;
  border-radius: 12px;
}

.feedback-caption, .soft-text, .note { color: var(--muted); font-size: 14px; }

.inline-purchase {
  margin: 28px 0;
}

.bottom-purchase { margin: 32px 0 8px; }

.footer-note {
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.mobile-cta {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: 10px;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 62px;
  padding: 8px 10px 8px 13px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 18px 45px rgba(21, 36, 31, .18);
}

.mobile-cta strong, .mobile-cta span { display: block; line-height: 1.25; }
.mobile-cta span { color: var(--muted); font-size: 12px; }
.mobile-cta-actions { display: flex; gap: 8px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 86px;
  transform: translateX(-50%);
  z-index: 80;
  opacity: 0;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(21, 36, 31, .92);
  color: #fff;
  font-size: 14px;
  pointer-events: none;
  transition: opacity .18s ease;
}

.toast.show { opacity: 1; }

@media (max-width: 960px) {
  .article-hero, .article-grid { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 680px) {
  .notice-inner, .site-header, .article-shell { width: min(100% - 22px, 1120px); }
  .notice-inner, .site-header { align-items: flex-start; flex-direction: column; }
  .nav-actions { justify-content: flex-start; }
  .article-shell { padding-bottom: 108px; }
  .article-hero, .article-main { border-radius: 22px; }
  .hero-actions, .card-actions { flex-direction: column; }
  .btn { width: 100%; }
  .article-body .compare, .article-body .row, .article-body .trust-strip, .article-body .feedback-grid { grid-template-columns: 1fr; }
  .article-body h2 { font-size: 24px; }
  .mobile-cta { display: flex; }
  .mobile-cta .btn { width: auto; min-height: 40px; padding: 0 14px; }
}