:root {
  --paper: #f6f1eb;
  --paper-soft: #fbf8f4;
  --ink: #241b20;
  --ink-soft: #675a61;
  --wine: #7b2f4a;
  --wine-deep: #501b31;
  --rose: #e8cbd4;
  --rose-soft: #f4e7eb;
  --sage: #60786f;
  --line: rgba(80, 27, 49, 0.15);
  --shadow: 0 24px 70px rgba(51, 29, 39, 0.1);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shell: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
[id] { scroll-margin-top: 110px; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(232, 203, 212, 0.45), transparent 30rem),
    var(--paper);
  font-family: "Noto Serif SC", "Songti SC", "STSong", "Microsoft YaHei", serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--wine); }
img { display: block; max-width: 100%; }
button, input { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 999px;
  color: #fff;
  background: var(--wine-deep);
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.shell { width: var(--shell); margin-inline: auto; }
.narrow { width: min(780px, calc(100vw - 48px)); margin-inline: auto; }
.wide-narrow { width: min(920px, calc(100vw - 48px)); margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 80;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(246, 241, 235, 0.9);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(48, 28, 37, 0.06);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(123, 47, 74, 0.38);
  border-radius: 50%;
  color: var(--wine);
  font-family: Georgia, serif;
  font-size: 26px;
  font-style: italic;
  line-height: 1;
}

.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 18px; letter-spacing: 0.12em; }
.brand-copy small { margin-top: 5px; color: var(--ink-soft); font: 11px/1.2 "Microsoft YaHei", sans-serif; letter-spacing: 0.04em; }

.primary-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.primary-nav a {
  padding: 9px 10px;
  border-radius: 999px;
  color: #493d43;
  font: 13px/1.2 "Microsoft YaHei", sans-serif;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--wine-deep);
  background: var(--rose-soft);
}

.header-cta { margin-left: 4px; }

.menu-button {
  width: 44px;
  height: 44px;
  display: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--wine-deep);
  background: var(--paper-soft);
  cursor: pointer;
}

.menu-button span:not(.sr-only) {
  width: 18px;
  height: 1px;
  display: block;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 21px;
  border: 1px solid var(--wine);
  border-radius: 999px;
  color: #fff;
  background: var(--wine);
  box-shadow: 0 12px 28px rgba(123, 47, 74, 0.18);
  font: 600 14px/1.25 "Microsoft YaHei", sans-serif;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  color: #fff;
  background: var(--wine-deep);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(80, 27, 49, 0.24);
}

.button-ghost {
  color: var(--wine-deep);
  border-color: rgba(123, 47, 74, 0.26);
  background: transparent;
  box-shadow: none;
}

.button-ghost:hover { color: var(--wine-deep); background: var(--rose-soft); }
.button-small { min-height: 40px; padding: 9px 17px; font-size: 13px; }
.button[aria-disabled="true"] { opacity: 0.58; pointer-events: none; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--wine);
  font: 700 12px/1.35 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero { padding: 92px 0 78px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(350px, 0.75fr); gap: 72px; align-items: center; }

.hero h1,
.page-hero h1,
.article-header h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.hero h1 em { color: var(--wine); font-style: normal; }
.hero-lead { max-width: 700px; margin: 26px 0 0; color: #594b52; font-size: clamp(18px, 2vw, 22px); line-height: 1.75; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.privacy-line { margin: 19px 0 0; color: var(--ink-soft); font: 13px/1.6 "Microsoft YaHei", sans-serif; }

.question-card {
  position: relative;
  min-height: 440px;
  padding: 46px 42px;
  overflow: hidden;
  border: 1px solid rgba(123, 47, 74, 0.16);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, #5d2038, #351623);
  box-shadow: var(--shadow);
  color: #fff;
}

.question-card::before {
  content: "?";
  position: absolute;
  right: -10px;
  bottom: -92px;
  color: rgba(255,255,255,0.07);
  font: italic 390px/1 Georgia, serif;
}

.question-card .eyebrow { color: #efc8d3; }
.question-card .text-link { position: relative; z-index: 1; display: inline-block; margin-top: 14px; color: #f4dce3; }
.question-card .text-link:hover, .question-card .text-link:focus-visible { color: #fff; }
.question-card h2 { max-width: 320px; margin: 0; font-size: 35px; line-height: 1.28; font-weight: 500; }
.question-card p { position: relative; max-width: 330px; margin: 28px 0 0; color: rgba(255,255,255,0.78); }
.question-card .answer { position: absolute; z-index: 1; left: 42px; right: 42px; bottom: 40px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.2); color: #f4dce3; font-size: 15px; }

.section { padding: 90px 0; }
.section-compact { padding: 64px 0; }
.section-white { background: rgba(255,255,255,0.48); border-block: 1px solid rgba(80, 27, 49, 0.08); }
.section-wine { color: #fff; background: var(--wine-deep); }

.section-heading { margin-bottom: 38px; display: grid; grid-template-columns: 1fr minmax(260px, 0.55fr); gap: 50px; align-items: end; }
.section-heading h2 { margin: 0; font-size: clamp(32px, 4vw, 50px); font-weight: 560; line-height: 1.18; letter-spacing: -0.03em; }
.section-heading > p { margin: 0; color: var(--ink-soft); }
.section-wine .section-heading > p { color: rgba(255,255,255,0.68); }
.section-wine .eyebrow { color: #edc3d0; }

.situation-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.situation-card {
  min-height: 230px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-soft);
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.situation-card:hover { transform: translateY(-5px); border-color: rgba(123,47,74,.34); box-shadow: var(--shadow); }
.situation-card .number { color: var(--wine); font: italic 27px/1 Georgia, serif; }
.situation-card h3 { margin: 30px 0 10px; font-size: 20px; line-height: 1.45; }
.situation-card span:last-child { margin-top: auto; color: var(--wine); font: 13px/1.4 "Microsoft YaHei", sans-serif; }

.topic-list { border-top: 1px solid var(--line); }
.topic-row {
  display: grid;
  grid-template-columns: 60px minmax(220px, 0.42fr) 1fr 90px;
  gap: 24px;
  align-items: center;
  padding: 26px 10px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.topic-row:hover { background: rgba(255,255,255,0.42); }
.topic-index { color: var(--wine); font: italic 20px/1 Georgia, serif; }
.topic-row h3 { margin: 0; font-size: 21px; font-weight: 600; }
.topic-row p { margin: 0; color: var(--ink-soft); }
.topic-row .arrow { color: var(--wine); text-align: right; }

.perspective-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 70px; align-items: center; }
.quote-panel { padding: 46px; border-radius: var(--radius-xl); background: var(--rose-soft); }
.quote-panel blockquote { margin: 0; font-size: clamp(26px, 3.6vw, 42px); line-height: 1.4; }
.quote-panel p { margin: 26px 0 0; color: var(--ink-soft); }
.perspective-copy h2 { margin: 0 0 22px; font-size: clamp(32px, 4vw, 50px); line-height: 1.2; }
.perspective-copy p { color: #51434a; }

.path-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: path; }
.path-item { position: relative; padding: 32px 24px 26px 0; border-top: 1px solid rgba(255,255,255,0.24); }
.path-item:not(:last-child)::after { content: "→"; position: absolute; right: 10px; top: 31px; color: rgba(255,255,255,.35); }
.path-item::before { counter-increment: path; content: "0" counter(path); display: block; margin-bottom: 18px; color: #e9bac8; font: italic 18px/1 Georgia, serif; }
.path-item h3 { margin: 0 0 8px; font-size: 18px; }
.path-item p { margin: 0; color: rgba(255,255,255,.65); font-size: 15px; }

.dream-card {
  padding: 60px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(120deg, var(--paper-soft), var(--rose-soft));
  text-align: center;
}
.dream-card h2 { max-width: 900px; margin: 0 auto; font-size: clamp(29px, 4.2vw, 48px); line-height: 1.45; font-weight: 500; }
.dream-card p { max-width: 720px; margin: 22px auto 0; color: var(--ink-soft); }

.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.trust-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255,255,255,.5); }
.trust-card strong { display: block; margin-bottom: 10px; font-size: 20px; }
.trust-card p { margin: 0; color: var(--ink-soft); font-size: 15px; }

.course-strip { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.course-strip h2 { margin: 0; font-size: clamp(30px, 4vw, 48px); line-height: 1.2; }
.course-strip p { max-width: 720px; margin: 16px 0 0; color: rgba(255,255,255,.72); }

.site-footer { padding: 66px 0 28px; color: #eadfe3; background: #23171d; }
.footer-grid { display: grid; grid-template-columns: 1.2fr repeat(3, 0.7fr); gap: 42px; }
.site-footer .brand-mark { color: #efc7d2; border-color: rgba(255,255,255,.25); }
.site-footer .brand-copy small { color: rgba(255,255,255,.55); }
.footer-intro { max-width: 350px; color: rgba(255,255,255,.58); font-size: 14px; }
.footer-column h2 { margin: 0 0 17px; color: #fff; font: 700 12px/1.3 "Microsoft YaHei", sans-serif; letter-spacing: .12em; }
.footer-column a { display: block; margin: 9px 0; color: rgba(255,255,255,.67); font-size: 14px; text-decoration: none; }
.footer-bottom { margin-top: 48px; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.45); font: 12px/1.6 "Microsoft YaHei", sans-serif; }

.breadcrumbs { padding-top: 26px; color: var(--ink-soft); font: 13px/1.5 "Microsoft YaHei", sans-serif; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs span { margin: 0 8px; color: #a29199; }

.page-hero { padding: 68px 0 64px; }
.page-hero h1 { max-width: 930px; font-size: clamp(38px, 5.2vw, 66px); }
.page-lead { max-width: 780px; margin: 24px 0 0; color: var(--ink-soft); font-size: 20px; }
.page-kicker { display: inline-flex; margin-top: 28px; padding: 8px 14px; border-radius: 999px; color: var(--wine-deep); background: var(--rose-soft); font: 13px/1.4 "Microsoft YaHei", sans-serif; }

.answer-panel { padding: 34px 38px; border-left: 4px solid var(--wine); border-radius: 0 var(--radius-lg) var(--radius-lg) 0; background: var(--paper-soft); }
.answer-panel h2 { margin: 0 0 12px; font-size: 24px; }
.answer-panel p { margin: 0; font-size: 18px; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 70px; align-items: start; }
.prose { min-width: 0; }
.prose > *:first-child { margin-top: 0; }
.prose h2 { margin: 56px 0 16px; font-size: 31px; line-height: 1.35; }
.prose h3 { margin: 34px 0 12px; font-size: 22px; line-height: 1.45; }
.prose p { margin: 0 0 20px; }
.prose ul, .prose ol { margin: 0 0 24px; padding-left: 1.3em; }
.prose li { margin: 8px 0; }
.prose blockquote { margin: 34px 0; padding: 24px 30px; border-radius: var(--radius-lg); color: var(--wine-deep); background: var(--rose-soft); font-size: 21px; }
.prose a { color: var(--wine-deep); }

.scene-panel {
  margin: 34px 0 42px;
  padding: 38px;
  overflow: hidden;
  border-radius: var(--radius-xl);
  color: #fff;
  background: linear-gradient(135deg, #2b1b23, #5b2036);
}
.scene-panel .eyebrow { color: #efc8d3; }
.scene-panel h2 { margin: 0 0 16px; color: #fff; font-size: clamp(27px, 3.4vw, 38px); }
.scene-panel p { max-width: 760px; margin: 0 0 16px; color: rgba(255,255,255,.78); }
.scene-panel p:last-child { margin-bottom: 0; }
.scene-panel strong { color: #fff; }
.inner-voice { margin: 22px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.inner-voice span { padding: 15px 16px; border: 1px solid rgba(255,255,255,.14); border-radius: 14px; color: #f5e7ec; background: rgba(255,255,255,.06); font-size: 15px; }
.desire-panel { margin: 42px 0; padding: 32px 36px; border: 1px solid rgba(123,47,74,.18); border-radius: var(--radius-lg); background: linear-gradient(120deg, #fbf8f4, #f4e7eb); }
.desire-panel h2 { margin: 0 0 12px; font-size: 28px; }
.desire-panel p:last-child { margin-bottom: 0; }
.moment-list { margin: 24px 0 38px; display: grid; gap: 12px; }
.moment-list > * { margin: 0; padding: 18px 20px; border-left: 3px solid var(--rose); background: rgba(255,255,255,.46); }

.article-header { padding: 54px 0 44px; }
.article-header h1 { max-width: 900px; font-size: clamp(38px, 5vw, 64px); }
.article-meta { margin-top: 25px; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--ink-soft); font: 13px/1.5 "Microsoft YaHei", sans-serif; }
.article-meta span:not(:last-child)::after { content: "·"; margin-left: 22px; color: #baaab1; }

.key-points { margin: 28px 0 42px; padding: 30px 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255,255,255,.48); }
.key-points h2 { margin: 0 0 12px; font-size: 20px; }
.key-points ul { margin: 0; }

.aside-card { position: sticky; top: 104px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper-soft); }
.aside-card h2 { margin: 0 0 10px; font-size: 20px; }
.aside-card p { margin: 0 0 16px; color: var(--ink-soft); font-size: 14px; }
.aside-card a { color: var(--wine); font: 600 13px/1.4 "Microsoft YaHei", sans-serif; }

.notice { margin: 38px 0; padding: 28px 30px; border-radius: var(--radius-lg); background: #edf2ef; }
.notice strong { display: block; margin-bottom: 8px; color: #334b43; }
.notice p { margin: 0; color: #4f625c; }
.notice-warm { background: #f4e7eb; }
.notice-warm strong { color: var(--wine-deep); }
.notice-warm p { color: #66515a; }

.source-list { padding-left: 1.1em; font-size: 14px; color: var(--ink-soft); }
.source-list li { margin: 10px 0; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.content-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper-soft); }
.content-card h2, .content-card h3 { margin: 0 0 12px; font-size: 21px; line-height: 1.42; }
.content-card p { margin: 0 0 20px; color: var(--ink-soft); font-size: 15px; }
.text-link { color: var(--wine); font: 600 14px/1.4 "Microsoft YaHei", sans-serif; text-decoration: none; }

.subtopic-group { margin-top: 42px; }
.subtopic-group h2 { margin-bottom: 20px; }
.article-list { border-top: 1px solid var(--line); }
.article-link { padding: 20px 4px; display: grid; grid-template-columns: 1fr auto; gap: 24px; border-bottom: 1px solid var(--line); text-decoration: none; }
.article-link strong { font-size: 18px; }
.article-link span { color: var(--wine); }

.ad-slot { margin: 50px 0; }
.ad-card { padding: 32px; display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; border: 1px solid rgba(123,47,74,.18); border-radius: var(--radius-lg); background: linear-gradient(120deg, #f4e7eb, #fbf8f4); }
.ad-card h2 { margin: 0 0 8px; font-size: 23px; }
.ad-card p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.ad-card > div { min-width: 0; }
.ad-card .button { max-width: 250px; white-space: normal; text-align: center; color: #fff; }
.ad-card .button:hover, .ad-card .button:focus-visible { color: #fff; }
.ad-topics { margin: 14px 0 0; padding-left: 1.2em; color: var(--ink-soft); font-size: 14px; }
.ad-topics li { margin: 5px 0; }
.ad-label { margin-bottom: 8px; color: var(--wine); font: 700 11px/1.3 "Microsoft YaHei", sans-serif; letter-spacing: .12em; }

.landing-hero { padding: 70px 0 78px; }
.landing-grid { display: grid; grid-template-columns: 1.1fr .72fr; gap: 70px; align-items: center; }
.teacher-card { padding: 14px; border-radius: var(--radius-xl); background: #fff; box-shadow: var(--shadow); transform: rotate(1.2deg); }
.teacher-card img { width: 100%; aspect-ratio: 4/5; object-fit: cover; object-position: center 20%; border-radius: 25px; }
.teacher-caption { padding: 16px 10px 8px; display: flex; justify-content: space-between; gap: 15px; color: var(--ink-soft); font: 13px/1.4 "Microsoft YaHei", sans-serif; }
.badge-row { margin-bottom: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.badge { padding: 7px 12px; border-radius: 999px; color: var(--wine-deep); background: var(--rose-soft); font: 12px/1.3 "Microsoft YaHei", sans-serif; }
.check-list { padding: 0; list-style: none; }
.check-list li { position: relative; padding: 8px 0 8px 30px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--wine); font-weight: 700; }

.claim-panel { padding: 42px; border-radius: var(--radius-xl); background: var(--paper-soft); box-shadow: var(--shadow); }
.channel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.channel-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.channel-card h3 { margin: 0 0 10px; }
.channel-card p { color: var(--ink-soft); font-size: 14px; }
.is-disabled, .is-disabled:hover { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.channel-status { display: inline-flex; margin-top: 10px; padding: 5px 9px; border-radius: 999px; color: var(--ink-soft); background: #eee8e5; font: 11px/1.3 "Microsoft YaHei", sans-serif; }

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { padding: 22px 0; display: flex; justify-content: space-between; gap: 20px; cursor: pointer; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--wine); font-size: 23px; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 0 24px; color: var(--ink-soft); }

.policy-nav { display: flex; flex-wrap: wrap; gap: 10px; }
.policy-nav a { padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; font: 13px/1.3 "Microsoft YaHei", sans-serif; text-decoration: none; }

.not-found { min-height: 64vh; display: grid; place-items: center; text-align: center; }
.not-found strong { display: block; color: var(--rose); font: italic 180px/0.8 Georgia, serif; }
.not-found h1 { margin: 24px 0 10px; font-size: 45px; }

@media (max-width: 1080px) {
  :root { --shell: min(1180px, calc(100vw - 36px)); }
  .primary-nav a { padding-inline: 7px; font-size: 12px; }
  .hero-grid, .landing-grid { gap: 42px; }
  .situation-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .scene-panel { padding: 28px 24px; }
  .inner-voice { grid-template-columns: 1fr; }
  .desire-panel { padding: 26px 24px; }
}

@media (max-width: 920px) {
  .header-inner { min-height: 70px; }
  .menu-button { display: block; margin-left: auto; }
  .header-cta { display: none; }
  .primary-nav {
    position: fixed;
    inset: 70px 0 auto;
    max-height: calc(100vh - 70px);
    padding: 22px 18px 30px;
    display: none;
    overflow: auto;
    border-bottom: 1px solid var(--line);
    background: var(--paper-soft);
    box-shadow: 0 30px 50px rgba(48,28,37,.14);
  }
  .primary-nav.is-open { display: grid; }
  .primary-nav a { padding: 14px 16px; border-radius: 12px; font-size: 15px; }
  .hero { padding-top: 58px; }
  .hero-grid, .landing-grid, .perspective-grid, .content-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 44px; }
  .question-card { min-height: 380px; }
  .content-grid { gap: 42px; }
  .aside-card { position: static; }
  .path-list { grid-template-columns: 1fr 1fr; }
  .path-item:not(:last-child)::after { display: none; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .topic-row { grid-template-columns: 45px minmax(190px, .45fr) 1fr 50px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100vw - 28px); }
  body { font-size: 16px; }
  .narrow, .wide-narrow { width: calc(100vw - 28px); }
  .brand-copy small { display: none; }
  .hero, .section { padding: 62px 0; }
  .hero h1, .page-hero h1, .article-header h1 { letter-spacing: -0.035em; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .question-card { min-height: 350px; padding: 34px 28px; }
  .question-card h2 { font-size: 29px; }
  .question-card .answer { left: 28px; right: 28px; bottom: 30px; }
  .section-heading { grid-template-columns: 1fr; gap: 16px; }
  .situation-grid, .card-grid, .trust-grid, .channel-grid { grid-template-columns: 1fr; }
  .situation-card { min-height: 195px; }
  .topic-row { grid-template-columns: 36px 1fr 30px; gap: 12px; }
  .topic-row p { grid-column: 2 / -1; }
  .topic-row .arrow { grid-column: 3; grid-row: 1; }
  .path-list { grid-template-columns: 1fr; }
  .path-item { padding-right: 0; }
  .dream-card, .quote-panel, .claim-panel { padding: 34px 24px; }
  .course-strip, .ad-card { grid-template-columns: 1fr; }
  .course-strip .button, .ad-card .button { width: 100%; }
  .ad-card .button { max-width: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .article-meta { display: grid; gap: 6px; }
  .article-link { grid-template-columns: 1fr; gap: 7px; }
  .article-link span { font-size: 14px; line-height: 1.55; }
  .article-meta span:not(:last-child)::after { display: none; }
  .answer-panel, .key-points { padding: 25px 23px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}