/* ============================================================
   NeuroHearing Daily - Editorial Advertorial
   Aesthetic: WebMD/Healthline base + Fox-News breaking ribbon
   Audience: adults researching brain lipids and healthy aging, mobile-first
   ============================================================ */

/* ---------- 1. Fonts (Fontsource via jsdelivr, no Google tracking) ---------- */
@font-face {
  font-family: 'Source Serif Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/h5/assets/neurohearing-reference/fonts/source-serif-pro-latest-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Serif Pro';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/h5/assets/neurohearing-reference/fonts/source-serif-pro-latest-latin-400-italic.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Serif Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/h5/assets/neurohearing-reference/fonts/source-serif-pro-latest-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Serif Pro';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/h5/assets/neurohearing-reference/fonts/source-serif-pro-latest-latin-700-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/h5/assets/neurohearing-reference/fonts/inter-latest-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/h5/assets/neurohearing-reference/fonts/inter-latest-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/h5/assets/neurohearing-reference/fonts/inter-latest-latin-700-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('/h5/assets/neurohearing-reference/fonts/inter-latest-latin-800-normal.woff2') format('woff2');
}

/* ---------- 2. Design tokens ---------- */
:root {
  /* Color */
  --bg: #FFFFFF;
  --bg-soft: #F7F7F7;
  --bg-comments: #F4F4F2;
  --text: #1A1A1A;
  --text-body: #222222;
  --text-muted: #6B6B6B;
  --text-faint: #8E8E8E;
  --link: #1A56DB;
  --breaking-red: #D7252B;
  --hairline: #E5E5E5;
  --hairline-soft: #EFEFEF;
  --highlight: #FFE066;
  --cta-green: #10B981;
  --cta-green-dark: #0F9E6F;
  --price-strike: #DC2626;
  --star: #F59E0B;
  --verified: #16A34A;

  /* Type */
  --font-serif: 'Source Serif Pro', Charter, Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Rhythm */
  --container: 1180px;
  --col-main: 680px;
  --col-aside: 340px;
  --gap-col: 56px;

  /* Radius scale (Shape Consistency Lock: one system, all-soft 4-8px) */
  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 8px;
  --r-pill: 999px;
}

/* ---------- 3. Reset + base ---------- */
* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-body);
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration: none; }
strong, b { font-weight: 700; color: var(--text); }
em, i { font-style: italic; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ---------- 4. Top reading progress bar ---------- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--breaking-red);
  z-index: 1000;
  transition: width 80ms linear;
}

/* ---------- 5. Breaking news ribbon (Fox-News style) ---------- */
.breaking-ribbon {
  background: var(--breaking-red);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.45;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px;
}
.breaking-label {
  background: #fff;
  color: var(--breaking-red);
  padding: 3px 8px;
  font-weight: 800;
  letter-spacing: 0.04em;
  font-size: 11px;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  white-space: nowrap;
  /* Visually align label baseline with first text line */
  margin-top: 1px;
}
.breaking-text {
  flex: 1 1 auto;
  min-width: 0;
}
@media (min-width: 768px) {
  .breaking-ribbon {
    align-items: center;
    padding: 10px 20px;
    gap: 14px;
  }
  .breaking-label { margin-top: 0; }
}

/* ---------- 6. Masthead ---------- */
.masthead {
  background: #fff;
  border-bottom: 1px solid var(--hairline);
}
.masthead-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  margin-right: auto;
}
.brand-mark {
  width: 36px;
  height: 36px;
  background: var(--text);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
}
.brand-name {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand-name em {
  font-weight: 400;
  font-style: italic;
  color: var(--text-muted);
}
.primary-nav {
  display: none;
  gap: 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
}
.primary-nav a {
  color: var(--text);
  text-decoration: none;
}
.primary-nav a:hover { color: var(--breaking-red); }
.trending-badge {
  display: none;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 6px 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
}
@media (min-width: 768px) {
  .primary-nav { display: flex; }
}
@media (min-width: 1024px) {
  .trending-badge { display: inline-flex; align-items: center; }
}

/* ---------- 7. Breadcrumb ---------- */
.breadcrumb {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-muted);
  padding-top: 14px;
  padding-bottom: 14px;
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--breaking-red); text-decoration: underline; }
.breadcrumb .sep { margin: 0 6px; color: var(--text-faint); }
.breadcrumb [aria-current="page"] { color: var(--text); font-weight: 600; }

/* ---------- 8. Article wrap (main + sidebar) ---------- */
.article-wrap {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding-bottom: 56px;
}
.article-main {
  width: 100%;
  max-width: var(--col-main);
  margin: 0 auto;
}
@media (min-width: 1024px) {
  .article-wrap {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--gap-col);
    max-width: var(--container);
    padding-left: 24px;
    padding-right: 24px;
  }
  .article-main {
    margin: 0;
    flex: 1 1 var(--col-main);
    min-width: 0;
  }
  .sidebar {
    flex: 0 0 var(--col-aside);
    position: sticky;
    top: 24px;
    align-self: flex-start;
  }
}

/* ---------- 9. Article header ---------- */
.article-header {
  padding-top: 8px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 28px;
}
.article-category {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--breaking-red);
  margin-bottom: 16px;
}
.article-headline {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0 0 18px;
}
.article-deck {
  font-family: var(--font-serif);
  font-style: normal;
  font-weight: 400;
  font-size: 21px;
  line-height: 1.55;
  color: var(--text);
  margin: 0 0 24px;
}
.article-deck mark {
  background: linear-gradient(180deg, transparent 55%, var(--highlight) 55%, var(--highlight) 92%, transparent 92%);
  color: var(--text);
  padding: 0 2px;
  font-weight: 600;
}
@media (min-width: 768px) {
  .article-headline { font-size: 44px; }
  .article-deck { font-size: 22px; }
}
@media (min-width: 1024px) {
  .article-headline { font-size: 50px; }
}

/* ---------- 10. Byline ---------- */
.byline {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0 20px;
}
.byline-author {
  display: flex;
  gap: 14px;
  align-items: center;
}
.byline-avatar,
.t-avatar,
.c-avatar,
.ci-avatar {
  border-radius: 999px !important;
  flex-shrink: 0;
  overflow: hidden;
  padding: 0 !important;
  min-height: 0 !important;
  border: 1px solid var(--hairline) !important;
  background: var(--bg-soft) !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
}
.byline-avatar { width: 52px !important; height: 52px !important; max-width: 52px !important; flex: 0 0 52px; }
.t-avatar { width: 48px !important; height: 48px !important; max-width: 48px !important; flex: 0 0 48px; }
.c-avatar, .ci-avatar { width: 36px !important; height: 36px !important; max-width: 36px !important; flex: 0 0 36px; }
/* For avatars, the img-label inside is just the initials - style them as visible initials */
.byline-avatar .img-label,
.t-avatar .img-label,
.c-avatar .img-label,
.ci-avatar .img-label {
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.02em !important;
  text-transform: none !important;
  color: var(--text-muted) !important;
  margin: 0 !important;
  line-height: 1;
}
.c-avatar .img-label, .ci-avatar .img-label { font-size: 11px !important; }
.t-avatar .img-label { font-size: 13px !important; }
.byline-avatar .img-label { font-size: 14px !important; }
.c-avatar-brand .img-label { color: var(--link) !important; }
.byline-avatar .img-label,
.t-avatar .img-label,
.c-avatar .img-label,
.ci-avatar .img-label {
  font-size: 9px !important;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin: 0 !important;
}
.byline-avatar .img-direction,
.t-avatar .img-direction,
.c-avatar .img-direction,
.ci-avatar .img-direction {
  display: none !important;
}
.byline-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-muted);
}
.byline-name { color: var(--text); font-weight: 500; }
.byline-name strong { font-weight: 700; }
.byline-role { font-weight: 500; }
.byline-meta { font-size: 13px; }
.trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--r-pill);
  background: var(--bg-soft);
  border: 1px solid var(--hairline);
  color: var(--text);
}
.pill-evidence { color: var(--verified); border-color: #BBEDD2; background: #ECFDF5; }
.pill-review { color: var(--link); border-color: #C7D7FA; background: #EEF2FF; }

/* ---------- 11. Hero figure ---------- */
.hero-figure { margin: 24px 0 0; }
.article-figure { margin: 28px 0; }
.article-figure figcaption,
.hero-figure figcaption {
  font-family: var(--font-sans);
  font-size: 13px;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.5;
  padding-top: 8px;
}
.caption-source { font-style: normal; color: var(--text-faint); }

/* ---------- 11b. Real image styles ---------- */
.hero-img, .article-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r-md);
}
.avatar-img {
  overflow: hidden;
  position: relative;
}
.avatar-img img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  object-position: center 28%;
  display: block;
}
/* Split figure (2-up) */
.split-figure {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin: 28px 0;
}
.split-panel {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  background: #1A1A1A;
}
.split-panel img { width: 100%; height: 100%; object-fit: cover; display: block; }
.panel-label {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(0,0,0,0.78);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  border-radius: var(--r-sm);
}
@media (min-width: 640px) {
  .split-figure { grid-template-columns: 1fr 1fr; }
}

/* 3-options figure */
.options-figure {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 28px 0;
}
.option-panel {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  background: #1A1A1A;
  aspect-ratio: 4 / 3;
}
.option-panel img { width: 100%; height: 100%; object-fit: cover; display: block; }
.option-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.88) 60%);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 36px 14px 14px;
  text-align: center;
}
.option-price {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--breaking-red);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: var(--r-sm);
}
.option-refill {
  background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
}
.option-qmark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 140px;
  font-weight: 700;
  color: var(--cta-green);
  line-height: 1;
  padding-bottom: 40px;
}
.option-refill .option-label {
  background: linear-gradient(180deg, transparent 0%, rgba(15, 158, 111, 0.95) 70%);
  color: #fff;
}
@media (min-width: 640px) {
  .options-figure { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 12. Image placeholders (only for slots still without real assets) ---------- */
.img-placeholder {
  position: relative;
  width: 100%;
  background: #F8F8F6;
  border: 1px dashed #C8C8C2;
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 20px;
  color: var(--text-muted);
  font-family: var(--font-sans);
  min-height: 180px;
}
.img-placeholder .img-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.img-placeholder .img-direction {
  font-size: 12px;
  line-height: 1.5;
  max-width: 540px;
  color: var(--text-muted);
}
.img-hero { aspect-ratio: 16 / 9; min-height: 220px; }
.img-infographic { aspect-ratio: 16 / 9; min-height: 200px; }
.img-comparison { aspect-ratio: 16 / 8; min-height: 200px; }
.img-options { aspect-ratio: 16 / 8; min-height: 200px; }
.img-product { aspect-ratio: 4 / 3; min-height: 240px; }
.img-formula { aspect-ratio: 4 / 3; min-height: 240px; }
.img-price-tease { aspect-ratio: 4 / 3; min-height: 220px; }
.img-price { aspect-ratio: 16 / 9; min-height: 220px; }
.img-guarantee { aspect-ratio: 16 / 8; min-height: 200px; }

/* ---------- 13. Article body type ---------- */
.article-section { padding: 8px 0 12px; }
.article-section p,
.article-section li {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.75;
  color: var(--text-body);
  margin: 0 0 18px;
}
.article-section p:last-child { margin-bottom: 0; }
.article-section mark {
  background: linear-gradient(180deg, transparent 55%, var(--highlight) 55%, var(--highlight) 92%, transparent 92%);
  color: var(--text);
  padding: 0 2px;
}
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--breaking-red);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.article-subhead {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.25;
  color: var(--text);
  margin: 4px 0 20px;
  letter-spacing: -0.01em;
}
.article-subhead-sm {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.3;
  color: var(--text);
  margin: 32px 0 16px;
}
@media (min-width: 768px) {
  .article-section p, .article-section li { font-size: 20px; }
  .article-subhead { font-size: 30px; }
  .article-subhead-sm { font-size: 24px; }
}

.lede {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.55;
  font-weight: 400;
  color: var(--text);
  margin: 0 0 22px;
}
.lede mark {
  background: linear-gradient(180deg, transparent 55%, var(--highlight) 55%, var(--highlight) 92%, transparent 92%);
  padding: 0 2px;
}

.pain-list, .article-bullets, .article-numbered {
  padding-left: 24px;
  margin: 0 0 22px;
}
.pain-list li, .article-bullets li, .article-numbered li {
  margin-bottom: 14px;
  padding-left: 4px;
}
.article-numbered { list-style: decimal; }

.step-list {
  list-style: none;
  padding: 0;
  margin: 0 0 26px;
  display: grid;
  gap: 12px;
  counter-reset: step;
}
.step-list li {
  counter-increment: step;
  position: relative;
  padding: 16px 18px 16px 56px;
  background: var(--bg-soft);
  border-left: 3px solid var(--breaking-red);
  border-radius: var(--r-sm);
  font-family: var(--font-sans);
  font-size: 14px !important;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}
.step-list li::before {
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  background: var(--breaking-red);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-pill);
}

/* ---------- 13b. Native components: formula chart / price tease / price reveal ---------- */

/* NeuroBrake formula chart */
.formula-figure {
  background: #FAFAF6;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px 20px;
}
.formula-header { text-align: center; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--hairline); }
.formula-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--breaking-red);
  margin-bottom: 6px;
}
.formula-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 32px;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.formula-sub {
  font-family: var(--font-sans) !important;
  font-size: 13px !important;
  color: var(--text-muted) !important;
  margin: 0 !important;
  line-height: 1.4 !important;
}
.formula-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.formula-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--breaking-red);
  border-radius: var(--r-md);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "dose name"
    "dose target"
    "detail detail";
  gap: 2px 14px;
  align-items: center;
}
.formula-dose {
  grid-area: dose;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 28px;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.02em;
  min-width: 64px;
}
.formula-unit { font-size: 16px; font-weight: 600; color: var(--text-muted); margin-left: 1px; }
.formula-name {
  grid-area: name;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}
.formula-target {
  grid-area: target;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--breaking-red);
  letter-spacing: 0.02em;
}
.formula-detail {
  grid-area: detail;
  font-family: var(--font-serif) !important;
  font-size: 14px !important;
  line-height: 1.55 !important;
  color: var(--text-body) !important;
  margin: 8px 0 0 !important;
  padding-top: 8px;
  border-top: 1px solid var(--hairline-soft);
}
@media (min-width: 640px) {
  .formula-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
}

/* Price tease (blurred bottle + ???) */
.price-tease-figure {
  position: relative;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 32px 24px;
  text-align: center;
  overflow: hidden;
}
.price-tease-bottle {
  max-width: 200px;
  margin: 0 auto;
  display: block;
  filter: blur(14px) saturate(0.5);
  opacity: 0.6;
}
.price-tease-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-sans);
  font-size: 90px;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: -0.04em;
  line-height: 1;
}

/* Price reveal (composite: crossed-out $69 + $41.40 + bottle) */
.price-reveal-figure {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px 20px;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 24px;
}
.price-reveal-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  text-align: left;
}
.price-reveal-was {
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--price-strike);
  text-decoration-thickness: 3px;
  line-height: 1;
}
.price-reveal-now {
  font-family: var(--font-sans);
  font-size: 72px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 6px 0 8px;
}
.price-reveal-badge {
  display: inline-block;
  background: var(--breaking-red);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 7px 12px;
  border-radius: var(--r-sm);
}
.price-reveal-bottle {
  max-width: 220px;
  margin: 0 auto;
  display: block;
}
@media (min-width: 640px) {
  .price-reveal-figure {
    grid-template-columns: 1fr auto;
    padding: 28px 32px;
  }
  .price-reveal-now { font-size: 88px; }
}

/* ---------- 14. Identity / pull quote ---------- */
.identity-block {
  margin: 16px 0 24px;
  padding: 22px 22px 22px 24px;
  border-left: 4px solid var(--text);
  background: var(--bg-soft);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.identity-block p {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.6;
  color: var(--text);
  margin: 0 0 12px;
  font-style: italic;
}
.identity-block p:last-child { margin-bottom: 0; }
@media (min-width: 768px) {
  .identity-block p { font-size: 20px; }
}

/* ---------- 15. Price callout ---------- */
.price-callout {
  font-family: var(--font-sans) !important;
  font-size: 22px !important;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: var(--bg-soft);
  border-radius: var(--r-md);
  margin: 8px 0 22px !important;
}
.price-was {
  text-decoration: line-through;
  text-decoration-color: var(--price-strike);
  text-decoration-thickness: 2px;
  color: var(--text-muted);
}
.price-arrow { color: var(--text-faint); font-weight: 400; }
.price-now-inline { color: var(--text); font-weight: 700; font-size: 26px; }

/* ---------- 16. Testimonials (Facebook-comment style cards) ---------- */
.section-testimonials { padding-top: 24px; }
.demo-note {
  padding: 12px 14px;
  border: 1px solid #d7e3dc;
  border-radius: var(--r-md);
  background: #f3f8f5;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 13px !important;
  line-height: 1.55 !important;
}
.testimonial-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  margin-bottom: 18px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.t-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 12px;
}
.t-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--r-pill) !important;
  flex-shrink: 0;
  min-height: 48px !important;
  padding: 0 !important;
}
.t-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}
.t-avatar .img-label { font-size: 9px; }
.t-avatar .img-direction { display: none; }
.t-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-muted);
}
.t-name { font-weight: 700; color: var(--text); font-size: 15px; }
.t-loc { font-size: 12px; }
.t-context {
  margin-top: 2px;
  color: #46705d;
  font-size: 11px;
  font-weight: 700;
}
.t-rating {
  color: var(--star);
  font-size: 14px;
  letter-spacing: 1px;
  margin-top: 2px;
}
.t-verified {
  display: inline-block;
  margin-left: 6px;
  color: var(--verified);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: #ECFDF5;
  border: 1px solid #BBEDD2;
  padding: 2px 6px;
  border-radius: var(--r-sm);
}
.t-headline {
  font-family: var(--font-serif) !important;
  font-size: 18px !important;
  font-weight: 700 !important;
  color: var(--text) !important;
  line-height: 1.4 !important;
  margin: 4px 0 12px !important;
}
.t-body {
  font-family: var(--font-serif) !important;
  font-size: 16px !important;
  line-height: 1.65 !important;
  color: var(--text-body) !important;
  margin: 0 0 10px !important;
}
.t-body:last-child { margin-bottom: 0 !important; }

/* ---------- 17. As Seen On strip ---------- */
.section-aso {
  margin: 40px 0;
  padding: 24px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  text-align: center;
}
.aso-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 36px;
  align-items: center;
  justify-content: center;
}
.logo-strip img {
  height: 22px;
  width: auto;
  max-width: 130px;
  filter: grayscale(1);
  opacity: 0.65;
  transition: opacity 0.2s ease;
}
.logo-strip img:hover { opacity: 1; filter: grayscale(0); }
.aso-disclaimer {
  font-family: var(--font-sans) !important;
  font-size: 11px !important;
  color: var(--text-faint) !important;
  margin: 16px 0 0 !important;
  font-style: italic;
}
@media (min-width: 768px) {
  .logo-strip { gap: 32px 48px; }
  .logo-strip img { height: 26px; }
}

/* ---------- 18. Guarantee section ---------- */
.section-guarantee {
  background: #FFFCF2;
  border: 1px solid #F0E4B8;
  border-radius: var(--r-lg);
  padding: 28px 24px;
  margin: 32px 0;
}
.section-guarantee .section-eyebrow { color: #B8860B; }

/* ---------- 19. CTA buttons ---------- */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
  text-decoration: none;
  min-height: 58px;
  padding: 16px 28px;
  border-radius: var(--r-md);
  border: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.18s ease, background 0.18s ease;
  text-align: center;
}
.cta-green {
  background: var(--cta-green);
  color: #fff;
  box-shadow: 0 1px 0 var(--cta-green-dark), 0 4px 12px rgba(16, 185, 129, 0.22);
}
.cta-green:hover {
  background: var(--cta-green-dark);
  box-shadow: 0 1px 0 var(--cta-green-dark), 0 6px 18px rgba(16, 185, 129, 0.32);
}
.cta-green:active {
  transform: translateY(1px);
  box-shadow: 0 0 0 var(--cta-green-dark), 0 2px 6px rgba(16, 185, 129, 0.32);
}
.cta-full { width: 100%; display: flex; }
.cta-block-btn {
  width: 100%;
  margin-top: 18px;
  font-size: 18px;
  min-height: 62px;
}
.cta-question {
  width: 100%;
  min-height: 54px;
  margin-top: 18px;
  padding: 14px 20px;
  font-size: 15px;
}
@media (min-width: 768px) {
  .cta-block-btn { width: auto; min-width: 320px; }
  .cta-question { width: auto; }
  .section-cta-block, .section-remember { text-align: left; }
}

.section-cta-block, .section-remember {
  background: var(--bg-soft);
  padding: 28px 24px;
  border-radius: var(--r-lg);
  margin: 32px 0;
}

/* ---------- 20. Sidebar (sticky on desktop) ---------- */
.sidebar { width: 100%; }
.sidebar-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.sidebar-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  background: var(--bg-soft);
  padding: 4px 8px;
  border-radius: var(--r-sm);
  margin-bottom: 14px;
}
.sidebar-product { aspect-ratio: 1 / 1; min-height: 200px !important; margin-bottom: 16px; }
.sidebar-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--text);
}
.sidebar-sub {
  font-family: var(--font-sans) !important;
  font-size: 13px !important;
  line-height: 1.5 !important;
  color: var(--text-muted) !important;
  margin: 0 0 16px !important;
}
.sidebar-price {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.price-strike {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--price-strike);
  text-decoration-thickness: 2px;
}
.price-now {
  font-family: var(--font-sans);
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1;
}
.price-tag {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--breaking-red);
}
.sidebar-bullets {
  list-style: none;
  padding: 14px 0 0;
  margin: 0;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-muted);
}
.sidebar-bullets li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 6px;
  line-height: 1.5;
}
.sidebar-bullets li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cta-green);
  font-weight: 700;
}

/* ---------- 21. Comments section (FB 2020 aesthetic) ---------- */
.comments-section {
  background: var(--bg-comments);
  border-top: 1px solid var(--hairline);
  padding: 40px 0;
}
.comments-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 22px;
  color: var(--text);
  margin: 0 0 20px;
  max-width: var(--col-main);
  margin-left: auto;
  margin-right: auto;
}
.comments-count { color: var(--text-muted); font-weight: 500; font-size: 16px; }

.comment-input {
  display: flex;
  gap: 10px;
  align-items: center;
  max-width: var(--col-main);
  margin: 0 auto 24px;
  padding: 0;
}
.ci-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--r-pill) !important;
  flex-shrink: 0;
  min-height: 36px !important;
  padding: 0 !important;
}
.ci-avatar .img-label { font-size: 8px; }
.ci-field {
  flex: 1;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  padding: 10px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-muted);
}

.comment-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: var(--col-main);
}
.comment {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  align-items: flex-start;
}
.c-avatar {
  width: 36px !important;
  height: 36px !important;
  min-height: 36px !important;
  border-radius: var(--r-pill) !important;
  flex-shrink: 0;
  padding: 0 !important;
}
.c-avatar .img-label { font-size: 9px; }
.c-avatar .img-direction { display: none; }
.c-avatar-brand { background: #DBEAFE; border-color: #93C5FD; }
.c-body {
  flex: 1;
  min-width: 0;
}
.c-body .c-name {
  display: block;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 2px;
}
.c-verified {
  color: #fff;
  background: var(--link);
  border-radius: var(--r-pill);
  padding: 0 5px;
  font-size: 11px;
  margin-left: 4px;
  font-weight: 700;
}
.c-text {
  font-family: var(--font-sans) !important;
  font-size: 15px !important;
  line-height: 1.5 !important;
  color: var(--text-body) !important;
  background: #fff;
  border-radius: 16px;
  padding: 10px 14px;
  margin: 0 0 6px !important;
}
.c-meta {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-muted);
  padding-left: 6px;
}
.c-meta a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
}
.c-meta a:hover { color: var(--link); }
.c-meta span + a, .c-meta a + span { margin-left: 2px; }
.comment-replies {
  list-style: none;
  padding: 8px 0 0;
  margin: 0;
}
.comment-replies .comment { margin-bottom: 10px; }

.comments-load-more {
  display: block;
  margin: 24px auto 0;
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--r-md);
  cursor: pointer;
}
.comments-load-more:hover { background: #fff; }

/* ---------- 22. Footer ---------- */
.site-footer {
  background: #1A1A1A;
  color: #BFBFBF;
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 48px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid #333;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
}
.footer-col a {
  display: block;
  color: #BFBFBF;
  text-decoration: none;
  margin-bottom: 8px;
  font-size: 14px;
}
.footer-col a:hover { color: #fff; }
.footer-brand {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  display: block;
  margin-bottom: 8px;
}
.footer-brand em { font-weight: 400; font-style: italic; color: #9CA3AF; }
.footer-tagline { font-size: 13px; color: #9CA3AF; line-height: 1.5; margin: 0; }

.footer-disclosure {
  padding: 28px 0;
  border-bottom: 1px solid #333;
  font-size: 12px;
  color: #9CA3AF;
  line-height: 1.6;
}
.footer-disclosure h5 {
  font-size: 12px;
  font-weight: 700;
  color: #BFBFBF;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
}
.footer-disclosure h5:not(:first-child) { margin-top: 20px; }
.footer-disclosure p { margin: 0 0 10px; font-size: 12px; }
.footer-citations {
  padding-left: 18px;
  font-size: 12px;
}
.footer-citations li { margin-bottom: 6px; }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 20px;
  font-size: 12px;
  color: #9CA3AF;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

/* ---------- 23. Sticky bottom CTA (mobile) ---------- */
.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  border-top: 1px solid var(--hairline);
  padding: 10px 16px max(10px, env(safe-area-inset-bottom));
  z-index: 900;
  transform: translateY(120%);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
}
.sticky-cta.is-visible {
  transform: translateY(0);
}
.sticky-cta-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
}
.sticky-cta-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
  flex-shrink: 0;
  line-height: 1.1;
}
.sticky-cta-price {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
}
.sticky-cta-price .price-strike { font-size: 12px; }
.sticky-cta-price strong { font-size: 18px; font-weight: 800; }
.sticky-cta-label {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 700;
  color: var(--breaking-red);
  letter-spacing: 0.04em;
}
.cta-sticky {
  flex: 1;
  min-height: 52px;
  padding: 12px 18px;
  font-size: 15px;
  white-space: nowrap;
}

@media (min-width: 1024px) {
  .sticky-cta { display: none; }
}

/* ---------- 24. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .progress-bar { display: none; }
  .sticky-cta { transition: none; }
}

/* ---------- 25. Print ---------- */
@media print {
  .breaking-ribbon, .sticky-cta, .progress-bar, .masthead, .sidebar, .comments-section { display: none; }
  body { font-size: 12pt; }
}

/* ---------- 26. Nervonic acid bilingual article ---------- */
html[data-active-lang="en"] [data-locale="zh"],
html[data-active-lang="zh"] [data-locale="en"] {
  display: none !important;
}

html[lang="zh-CN"] body,
html[lang="zh-CN"] .article-section p,
html[lang="zh-CN"] .article-section li {
  font-family: "Songti SC", "Noto Serif CJK SC", STSong, serif;
}

html[lang="zh-CN"] .article-headline,
html[lang="zh-CN"] .article-subhead,
html[lang="zh-CN"] .article-subhead-sm,
html[lang="zh-CN"] .article-category,
html[lang="zh-CN"] .section-eyebrow,
html[lang="zh-CN"] .masthead,
html[lang="zh-CN"] .byline,
html[lang="zh-CN"] .cta,
html[lang="zh-CN"] .site-footer {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

.brand-mark {
  background: #234d3c;
}

.primary-nav a {
  white-space: nowrap;
}

.language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--bg-soft);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
}

.language-switch a {
  min-width: 38px;
  padding: 5px 8px;
  border-radius: var(--r-sm);
  color: var(--text-muted);
  text-align: center;
  text-decoration: none;
}

.language-switch a[aria-current="page"] {
  color: #fff;
  background: #234d3c;
}

.product-effect-figure {
  overflow: hidden;
  border-radius: var(--r-md);
  background: #dbe5ea;
}

.product-effect-figure figcaption {
  padding: 9px 12px 11px;
  background: #f7f9fa;
  border: 1px solid var(--hairline);
  border-top: 0;
  border-radius: 0 0 var(--r-md) var(--r-md);
}

.reference-brain-figure {
  overflow: hidden;
  border-radius: var(--r-md);
  background: #111820;
}

.reference-image-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.reference-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.reference-person-figure .reference-image-frame {
  aspect-ratio: 19 / 10;
}

.reference-person-figure .reference-image-frame img {
  object-position: center top;
}

.content-callout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 18px;
  align-items: center;
  margin: 24px 0;
  padding: 18px 20px;
  border: 1px solid #d9c4a0;
  border-left: 5px solid #a66b18;
  border-radius: var(--r-md);
  background: #fffaf1;
}

.content-callout span {
  color: #76501b;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.content-callout > strong {
  color: #9f1b1b;
  font-family: var(--font-sans);
  font-size: 34px;
  line-height: 1;
}

.content-callout p {
  grid-column: 1 / -1;
  margin: 5px 0 0 !important;
  color: #514839;
  font-family: var(--font-sans) !important;
  font-size: 14px !important;
  line-height: 1.6 !important;
}

.section-summary {
  position: relative;
  margin: 26px 0 0 !important;
  padding: 16px 18px 16px 20px;
  border-left: 4px solid #b22121;
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: #f8f4ee;
  color: #34302b;
  font-family: var(--font-sans) !important;
  font-size: 16px !important;
  line-height: 1.65 !important;
}

.section-summary strong {
  color: #9f1b1b;
}

.signal-explainer {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 26px 0;
  overflow: hidden;
  border: 1px solid #d8e3dc;
  border-radius: var(--r-md);
  background: #d8e3dc;
}

.signal-explainer div {
  position: relative;
  min-height: 112px;
  padding: 22px 18px 18px 62px;
  background: #f4f8f5;
}

.signal-explainer span {
  position: absolute;
  top: 20px;
  left: 18px;
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #234d3c;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
}

.signal-explainer strong,
.signal-explainer small {
  display: block;
  font-family: var(--font-sans);
}

.signal-explainer strong {
  color: var(--text);
  font-size: 16px;
}

.signal-explainer small {
  margin-top: 5px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.4;
}

.evidence-note,
.review-gate {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 4px solid #2f7d58;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: #f0f8f3;
  color: #23382f;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
}

.evidence-note-warn,
.review-gate {
  border-left-color: #c68a17;
  background: #fff8e8;
  color: #574213;
}

.article-section .review-gate {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
}

.research-list {
  margin: 8px 0 28px;
  border-top: 1px solid var(--hairline);
}

.research-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--hairline);
}

.research-item h3 {
  margin: 7px 0 10px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 20px;
  line-height: 1.35;
}

.research-item p {
  margin-bottom: 12px;
  font-size: 17px;
}

.research-type,
.case-status {
  display: inline-block;
  color: #2f684f;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.research-item cite {
  display: block;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-style: normal;
  line-height: 1.55;
}

.product-facts {
  display: grid;
  grid-template-columns: 1fr;
  margin: 24px 0;
  border-top: 1px solid var(--hairline);
}

.product-facts div {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
}

.product-facts dt,
.product-facts dd {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.45;
}

.product-facts dt {
  color: var(--text);
  font-weight: 700;
}

.product-facts dd {
  color: #8a6416;
  font-weight: 600;
}

.selection-steps li {
  padding-top: 15px;
  padding-bottom: 15px;
  letter-spacing: 0;
}

.selection-steps strong,
.selection-steps small {
  display: block;
}

.selection-steps small {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
}

.case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.case-grid .testimonial-card {
  margin: 0;
}

.case-status {
  margin-top: 4px;
  color: #9a6500;
}

.check-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 14px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  top: 2px;
  left: 0;
  display: inline-flex;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e4f2e9;
  color: #236644;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
}

.faq-list {
  border-top: 1px solid var(--hairline);
}

.faq-list details {
  border-bottom: 1px solid var(--hairline);
}

.faq-list summary {
  position: relative;
  padding: 18px 42px 18px 0;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 15px;
  right: 4px;
  color: #2f684f;
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 500;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  padding-right: 32px;
  font-size: 17px;
}

.footer-grid-compact {
  grid-template-columns: 1fr;
}

.sticky-cta-title {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
}

@media (min-width: 640px) {
  .signal-explainer {
    grid-template-columns: repeat(3, 1fr);
  }

  .signal-explainer div {
    min-height: 124px;
    padding: 58px 16px 18px;
    text-align: center;
  }

  .signal-explainer span {
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
  }
}

@media (min-width: 768px) {
  .case-grid .testimonial-card {
    padding: 22px;
  }

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

@media (max-width: 767px) {
  .masthead-inner {
    gap: 10px;
  }

  .brand-name {
    font-size: 16px;
  }

  .language-switch a {
    min-width: 34px;
    padding-right: 6px;
    padding-left: 6px;
  }

  .article-headline {
    font-size: 33px;
  }

  html[lang="zh-CN"] .article-headline {
    font-size: 31px;
  }

  .sticky-cta-meta {
    min-width: 96px;
  }

  .content-callout {
    padding: 16px;
  }

  .content-callout > strong {
    font-size: 30px;
  }
}

@media print {
  .language-switch {
    display: none !important;
  }
}

/* ---------- 27. DTC evidence, comparison and conversion components ---------- */
.mechanism-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.mechanism-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-content: start;
  margin: 0;
  padding: 20px 16px;
  border: 1px solid #d7e4dd;
  border-radius: 14px;
  background: #f7faf8;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
}

.mechanism-number {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: #1f684c;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.mechanism-steps strong {
  display: block;
  margin: 4px 0 7px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.35;
}

.mechanism-steps p {
  margin: 0;
  color: #52635c;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
}

.comparison-table-wrap {
  max-width: 100%;
  margin: 28px 0;
  overflow-x: auto;
  border: 1px solid #d8e1dc;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(21, 52, 40, 0.06);
  -webkit-overflow-scrolling: touch;
}

.comparison-table-wrap:focus-visible {
  outline: 3px solid #96c8b1;
  outline-offset: 3px;
}

.ingredient-comparison {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  color: #26362f;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}

.ingredient-comparison caption {
  padding: 13px 16px;
  border-bottom: 1px solid #d8e1dc;
  color: #5c6b65;
  background: #f7faf8;
  font-size: 12px;
  text-align: left;
}

.ingredient-comparison th,
.ingredient-comparison td {
  padding: 15px 16px;
  border-bottom: 1px solid #e3e9e5;
  border-right: 1px solid #e3e9e5;
  text-align: left;
  vertical-align: top;
}

.ingredient-comparison th:last-child,
.ingredient-comparison td:last-child { border-right: 0; }
.ingredient-comparison tbody tr:last-child > * { border-bottom: 0; }
.ingredient-comparison thead th { color: #fff; background: #1d533f; font-size: 13px; }
.ingredient-comparison thead th:first-child { width: 23%; }
.ingredient-comparison thead small { color: #d9eee4; font-size: 11px; }
.ingredient-comparison tbody th { color: #1e4938; background: #f1f7f4; font-weight: 750; }

.scientific-references {
  margin: 30px 0 8px;
  padding: 22px 24px;
  border-top: 4px solid #2d6f53;
  border-radius: 4px 4px 12px 12px;
  background: #f4f7f5;
  color: #34453e;
  font-family: var(--font-sans);
}

.scientific-references h3 { margin: 0 0 14px; color: #1f3c31; font-size: 18px; }
.scientific-references ol { margin: 0; padding-left: 21px; }
.scientific-references li { margin: 0 0 12px; color: #34453e; font-family: var(--font-sans); font-size: 13px; line-height: 1.6; }
.scientific-references a { color: #145d41; font-weight: 750; }
.scientific-references p { margin: 14px 0 0; color: #5b6963; font-family: var(--font-sans); font-size: 12px; line-height: 1.55; }

.trust-badges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 26px;
}

.trust-badge {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 1px 9px;
  align-items: center;
  min-height: 58px;
  padding: 10px 13px;
  border: 1px solid #cfdfd6;
  border-radius: 12px;
  background: #f5faf7;
  color: #1d5c43;
  font-family: var(--font-sans);
}

.trust-badge > span { grid-row: 1 / span 2; display: grid; width: 25px; height: 25px; place-items: center; border-radius: 50%; background: #dcefe5; font-weight: 900; }
.trust-badge strong { color: #23493a; font-size: 12px; line-height: 1.35; }
.trust-badge small { color: #716444; font-size: 10px; }

.review-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0 0 18px;
  padding: 14px 16px;
  border: 1px solid #d9e0dc;
  border-radius: 12px;
  background: #fff;
  color: #45544e;
  font-family: var(--font-sans);
  font-size: 13px;
}

.review-summary strong { color: #172d24; font-size: 15px; }
.review-stars { display: inline-block; color: #946200; letter-spacing: 2px; }
.review-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.review-card-grid .testimonial-card { padding: 18px; }
.review-card-grid h3 { margin: 16px 0 9px; color: #1d3028; font-family: var(--font-sans); font-size: 17px; line-height: 1.35; }
.review-card-grid p { margin: 0; color: #43524c; font-family: var(--font-sans); font-size: 14px; line-height: 1.6; }
.review-card-head { display: flex; justify-content: space-between; gap: 12px; align-items: start; color: #1d3028; font-family: var(--font-sans); font-size: 13px; }
.review-card-head strong { display: block; margin-top: 6px; }
.verified-buyer { white-space: nowrap; color: #1e684a; font-size: 10px; font-weight: 800; letter-spacing: .03em; text-transform: uppercase; }

.guarantee-box,
.service-terms-box {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 13px;
  margin: 24px 0;
  padding: 20px;
  border: 1px solid #c8ded2;
  border-radius: 14px;
  background: #f2faf5;
  text-align: left;
}

.guarantee-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  background: #1e704f;
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 900;
}

.guarantee-box h3 { margin: 1px 0 6px; color: #173d2d; font-family: var(--font-sans); font-size: 19px; line-height: 1.3; }
.guarantee-box p,
.service-terms-box p { margin: 0; color: #42584e; font-family: var(--font-sans); font-size: 14px; line-height: 1.55; }
.service-terms-box { grid-template-columns: 1fr; border-color: #d9d4c5; background: #fbfaf6; }
.service-terms-box strong { color: #443d2d; font-family: var(--font-sans); font-size: 15px; }

.supplement-footer {
  margin-top: 24px;
  padding: 24px 20px;
  border-top: 1px solid #d7dfda;
  color: #5d6964;
  background: #f7f8f7;
  font-family: var(--font-sans);
  text-align: left;
}

.supplement-footer p { margin: 0 0 8px; color: #5d6964; font-family: var(--font-sans); font-size: 12px; line-height: 1.55; }
.supplement-footer p:last-child { margin-bottom: 0; }
.supplement-footer strong { color: #35433d; text-transform: uppercase; letter-spacing: .05em; }

/* Claims without supporting files stay editable in the CMS but never render publicly. */
.u-page:not(.u-editor) .verification-required { display: none !important; }
.u-editor .verification-required { position: relative; border: 2px dashed #ad7918 !important; }
.u-editor .verification-required::before {
  content: "Evidence required before public display";
  grid-column: 1 / -1;
  display: block;
  padding: 6px 9px;
  color: #5b430f;
  background: #fff3c9;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 800;
}

@media (max-width: 767px) {
  .mechanism-steps,
  .trust-badges,
  .review-card-grid { grid-template-columns: 1fr; }
  .mechanism-steps li { padding: 17px 15px; }
  .scientific-references { padding: 18px 17px; }
  .ingredient-comparison { min-width: 640px; }
  .guarantee-box { padding: 17px 15px; }
}

/* ---------- 28. Owner-only visual editor (?edit=1) ---------- */
.page-editor-toolbar {
  position: sticky;
  top: 0;
  z-index: 2000;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid #b8c8bf;
  background: rgba(244, 249, 246, 0.98);
  color: #183c2d;
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.3;
  box-shadow: 0 3px 12px rgba(15, 55, 38, 0.12);
}

.page-editor-toolbar strong {
  color: #183c2d;
  font-size: 13px;
}

.page-editor-toolbar span {
  margin-right: auto;
  color: #557064;
}

.page-editor-toolbar button {
  appearance: none;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid #9bb3a7;
  border-radius: 5px;
  background: #fff;
  color: #234d3c;
  cursor: pointer;
  font: 700 12px/1 var(--font-sans);
}

.page-editor-toolbar button:hover {
  border-color: #234d3c;
  background: #eef6f1;
}

.page-editor-toolbar button[data-editor-lang][aria-current="true"] {
  border-color: #234d3c;
  background: #234d3c;
  color: #fff;
}

.page-editor-status {
  min-width: 150px;
  color: #197044;
  font-weight: 700;
}

.page-editor-status.is-error {
  color: #b42318;
}

.editor-mode [contenteditable="true"] {
  border-radius: 3px;
  outline: 1px dashed rgba(35, 77, 60, 0.32);
  outline-offset: 3px;
}

.editor-mode [contenteditable="true"]:focus {
  outline: 2px solid #2c7a58;
  background: #f3fbf6;
}

.editor-mode img[data-edit-image-key] {
  cursor: pointer;
  outline: 2px dashed rgba(183, 28, 28, 0.45);
  outline-offset: 3px;
}

.editor-mode img[data-edit-image-key]:hover,
.editor-mode img[data-edit-image-key]:focus {
  outline-color: #b71c1c;
  filter: brightness(0.92);
}

@media (max-width: 767px) {
  .page-editor-toolbar {
    max-height: 132px;
    overflow-y: auto;
  }

  .page-editor-toolbar span {
    width: 100%;
    margin-right: 0;
  }

  .page-editor-status {
    width: 100%;
    min-width: 0;
  }
}

@media print {
  .page-editor-toolbar {
    display: none !important;
  }

  .editor-mode [contenteditable="true"],
  .editor-mode img[data-edit-image-key] {
    outline: 0 !important;
  }
}