:root {
  --primary: #C85C7A;
  --primary-dark: #A54462;
  --peach: #E7B7A8;
  --ink: #2B2228;
  --text: #342F32;
  --muted: #746A6F;
  --paper: #FBF7F5;
  --paper-2: #F3E9E6;
  --accent: #D9913D;
  --white: #FFFFFF;
  --line: rgba(43, 34, 40, 0.12);
  --line-strong: rgba(43, 34, 40, 0.22);
  --shadow: 0 18px 48px rgba(43, 34, 40, 0.08);
  --radius-s: 12px;
  --radius-m: 20px;
  --radius-l: 32px;
  --shell: min(1180px, calc(100vw - 48px));
  --content: min(760px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--primary-dark); }
img { display: block; max-width: 100%; height: auto; }
button, input { font: inherit; }
button { cursor: pointer; }
::selection { background: var(--peach); color: var(--ink); }
.shell { width: var(--shell); margin-inline: auto; }
.narrow { width: var(--content); margin-inline: auto; }
.skip-link {
  position: fixed;
  left: 18px;
  top: 12px;
  z-index: 999;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 247, 245, 0.94);
  backdrop-filter: blur(14px);
}
.header-inner {
  min-height: 78px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: max-content;
}
.brand-lockup img { width: 48px; height: 48px; object-fit: contain; border-radius: 14px; }
.brand-text { display: grid; line-height: 1.2; }
.brand-text strong { color: var(--ink); font-size: 1.08rem; letter-spacing: 0.04em; }
.brand-text small { margin-top: 4px; color: var(--muted); font-size: 0.72rem; }
.primary-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.primary-nav a {
  padding: 9px 10px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  font-size: 0.93rem;
}
.primary-nav a:hover,
.primary-nav a[aria-current="page"] { background: var(--paper-2); color: var(--ink); }
.search-trigger,
.menu-toggle {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  padding: 10px 15px;
}
.search-trigger:hover,
.menu-toggle:hover { border-color: var(--primary); color: var(--primary-dark); }
.menu-toggle { display: none; }

.search-modal[hidden] { display: none !important; }
.search-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: start center; padding-top: min(16vh, 150px); }
.search-backdrop { position: absolute; inset: 0; background: rgba(43, 34, 40, 0.48); }
.search-panel {
  position: relative;
  width: min(720px, calc(100vw - 36px));
  border-radius: var(--radius-l);
  background: var(--paper);
  box-shadow: 0 28px 80px rgba(43, 34, 40, 0.28);
  padding: 28px;
}
.search-panel-head { display: flex; gap: 24px; align-items: start; justify-content: space-between; }
.search-panel h2 { margin: 4px 0 20px; color: var(--ink); font-size: clamp(1.35rem, 3vw, 2rem); line-height: 1.28; }
.icon-button { border: 0; background: var(--paper-2); color: var(--ink); border-radius: 999px; padding: 8px 12px; }
.search-form label { display: block; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.search-input-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.search-input-row input {
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--white);
  padding: 13px 15px;
  color: var(--text);
}
.search-input-row button,
.button,
.text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  padding: 12px 18px;
  font-weight: 800;
  text-decoration: none;
}
.button--primary { background: var(--primary); color: var(--white); }
.button--soft { background: var(--paper-2); color: var(--ink); border: 1px solid var(--line); }
.button:hover, .text-button:hover, .search-input-row button:hover { filter: brightness(0.97); color: inherit; }
.search-hint { margin: 14px 0 0; color: var(--muted); font-size: 0.88rem; }

.eyebrow {
  display: inline-block;
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.lede { color: var(--muted); font-size: clamp(1rem, 1.8vw, 1.14rem); }
.section-title { margin: 0; color: var(--ink); font-size: clamp(1.7rem, 4vw, 3rem); line-height: 1.12; letter-spacing: -0.02em; }
.section-intro { margin: 14px 0 0; max-width: 760px; color: var(--muted); }
.section-head { display: flex; gap: 32px; align-items: end; justify-content: space-between; margin-bottom: 28px; }
.section-head .section-intro { max-width: 600px; }

.home-cover {
  padding: clamp(42px, 8vw, 92px) 0 54px;
  border-bottom: 1px solid var(--line);
}
.cover-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
}
.cover-copy h1 {
  margin: 12px 0 20px;
  max-width: 830px;
  color: var(--ink);
  font-size: clamp(2.6rem, 6vw, 5.7rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.cover-copy h1 em { color: var(--primary); font-style: normal; }
.cover-copy .lede { max-width: 700px; }
.cover-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.cover-note { margin-top: 24px; padding-left: 16px; border-left: 3px solid var(--peach); color: var(--muted); font-size: 0.9rem; }
.cover-visual {
  position: relative;
  min-height: 530px;
  border-radius: 46px 46px 18px 46px;
  overflow: hidden;
  background: var(--paper-2);
  box-shadow: var(--shadow);
}
.cover-visual img { width: 100%; height: 100%; min-height: 530px; object-fit: cover; }
.cover-caption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(251, 247, 245, 0.92);
  backdrop-filter: blur(10px);
  color: var(--ink);
}
.cover-caption strong { display: block; margin-bottom: 4px; }
.cover-caption span { color: var(--muted); font-size: 0.9rem; }

.intent-strip { padding: 26px 0; border-bottom: 1px solid var(--line); }
.intent-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.intent-item { padding: 14px 26px; border-left: 1px solid var(--line); }
.intent-item:first-child { border-left: 0; padding-left: 0; }
.intent-item:last-child { padding-right: 0; }
.intent-item span { display: block; color: var(--primary-dark); font-weight: 800; font-size: 0.78rem; }
.intent-item strong { display: block; margin: 4px 0 5px; color: var(--ink); font-size: 1.05rem; }
.intent-item p { margin: 0; color: var(--muted); font-size: 0.88rem; }

.editorial-section { padding: clamp(64px, 9vw, 118px) 0; }
.editorial-section--soft { background: var(--paper-2); }
.editorial-section--ink { background: var(--ink); color: var(--paper); }
.editorial-section--ink .section-title,
.editorial-section--ink h2,
.editorial-section--ink h3 { color: var(--white); }
.editorial-section--ink .section-intro,
.editorial-section--ink p { color: rgba(255,255,255,0.72); }

.pathway-grid { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(34px, 6vw, 84px); align-items: start; }
.pathway-aside { position: sticky; top: 112px; }
.pathway-aside p { color: var(--muted); }
.pathway-list { border-top: 1px solid var(--line-strong); }
.pathway-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 18px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.pathway-row .index { color: var(--primary-dark); font-weight: 800; }
.pathway-row h3 { margin: 0 0 8px; color: var(--ink); font-size: 1.22rem; }
.pathway-row p { margin: 0; color: var(--muted); }
.pathway-row a { align-self: center; color: var(--ink); font-weight: 800; text-decoration: none; }
.pathway-row a::after { content: " →"; color: var(--primary); }

.watch-feature { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; align-items: stretch; }
.watch-feature-main {
  min-height: 520px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-l);
  background: var(--ink);
}
.watch-feature-main img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; opacity: 0.68; }
.watch-feature-overlay {
  position: absolute;
  inset: auto 0 0;
  padding: clamp(24px, 5vw, 48px);
  background: linear-gradient(to top, rgba(43,34,40,0.96), rgba(43,34,40,0));
  color: var(--white);
}
.watch-feature-overlay h3 { max-width: 650px; margin: 8px 0 12px; font-size: clamp(1.7rem, 4vw, 3.4rem); line-height: 1.05; }
.watch-feature-overlay p { max-width: 680px; color: rgba(255,255,255,0.8); }
.watch-feature-overlay a { color: var(--white); font-weight: 800; }
.watch-rail { display: grid; gap: 16px; }
.watch-rail-item {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 16px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  text-decoration: none;
}
.watch-rail-item:first-child { border-top: 0; padding-top: 0; }
.watch-rail-item img { width: 132px; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 16px; }
.watch-rail-item strong { display: block; color: var(--ink); line-height: 1.35; }
.watch-rail-item span { display: block; margin-top: 6px; color: var(--muted); font-size: 0.86rem; }

.topic-band { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.topic-card {
  grid-column: span 4;
  min-height: 360px;
  position: relative;
  display: flex;
  align-items: end;
  overflow: hidden;
  border-radius: var(--radius-m);
  text-decoration: none;
  background: var(--paper-2);
}
.topic-card:nth-child(1), .topic-card:nth-child(5) { grid-column: span 7; }
.topic-card:nth-child(2), .topic-card:nth-child(6) { grid-column: span 5; }
.topic-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.topic-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(43,34,40,0.88), rgba(43,34,40,0.08)); }
.topic-card-content { position: relative; z-index: 1; padding: 24px; color: var(--white); }
.topic-card-content .eyebrow { color: var(--peach); }
.topic-card-content h3 { margin: 6px 0 8px; font-size: 1.45rem; line-height: 1.2; }
.topic-card-content p { margin: 0; color: rgba(255,255,255,0.78); font-size: 0.9rem; }

.article-stream { display: grid; grid-template-columns: 1fr 330px; gap: 54px; align-items: start; }
.stream-list { border-top: 1px solid var(--line-strong); }
.stream-item { display: grid; grid-template-columns: 160px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.stream-item img { width: 160px; aspect-ratio: 4/3; object-fit: cover; border-radius: 16px; }
.stream-item h3 { margin: 3px 0 8px; color: var(--ink); font-size: 1.24rem; line-height: 1.35; }
.stream-item h3 a { text-decoration: none; }
.stream-item p { margin: 0; color: var(--muted); }
.meta-line { display: flex; flex-wrap: wrap; gap: 10px 16px; color: var(--muted); font-size: 0.8rem; }
.meta-line strong { color: var(--primary-dark); }
.stream-aside { position: sticky; top: 110px; padding: 26px; border-radius: var(--radius-m); background: var(--paper-2); }
.stream-aside h3 { margin-top: 0; color: var(--ink); }
.stream-aside p { color: var(--muted); }
.stream-aside a { display: block; padding: 12px 0; border-top: 1px solid var(--line); text-decoration: none; font-weight: 700; }

.mobile-feature { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 42px; align-items: center; }
.mobile-collage { display: grid; grid-template-columns: 1fr 0.78fr; gap: 14px; align-items: end; }
.mobile-collage img { width: 100%; object-fit: cover; border-radius: 28px; background: var(--paper-2); }
.mobile-collage img:first-child { aspect-ratio: 3/4; }
.mobile-collage img:last-child { aspect-ratio: 4/5; margin-bottom: 42px; }
.mobile-copy h2 { margin: 10px 0 16px; color: var(--ink); font-size: clamp(1.9rem, 4vw, 3.5rem); line-height: 1.07; }
.mobile-copy p { color: var(--muted); }
.mobile-points { margin: 24px 0 0; padding: 0; list-style: none; }
.mobile-points li { padding: 13px 0 13px 30px; border-top: 1px solid var(--line); position: relative; }
.mobile-points li::before { content: ""; position: absolute; left: 0; top: 20px; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); }

.guide-rhythm { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: guide; }
.guide-step { counter-increment: guide; padding: 24px 22px; min-height: 260px; border-top: 4px solid var(--peach); background: var(--white); }
.guide-step::before { content: "0" counter(guide); display: block; margin-bottom: 34px; color: var(--primary-dark); font-weight: 900; font-size: 0.85rem; }
.guide-step h3 { color: var(--ink); line-height: 1.3; }
.guide-step p { color: var(--muted); }

.name-note { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: stretch; }
.name-note-copy { padding: clamp(28px, 5vw, 52px); border-radius: var(--radius-l); background: var(--ink); color: var(--paper); }
.name-note-copy h2 { margin: 8px 0 16px; color: var(--white); font-size: clamp(2rem, 4vw, 3.8rem); line-height: 1.04; }
.name-note-copy p { color: rgba(255,255,255,0.72); }
.name-note-copy a { color: var(--peach); font-weight: 800; }
.name-note-visual { border-radius: var(--radius-l); overflow: hidden; min-height: 440px; }
.name-note-visual img { width: 100%; height: 100%; min-height: 440px; object-fit: cover; }

.faq-teaser { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 62px; align-items: start; }
.faq-teaser-intro { position: sticky; top: 112px; }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 20px 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-weight: 800; }
.faq-question span:last-child { color: var(--primary); font-size: 1.4rem; }
.faq-answer { padding: 0 44px 20px 0; color: var(--muted); }
.faq-answer[hidden] { display: none; }

.closing-strip { padding: 36px 0; border-top: 1px solid var(--line); }
.closing-grid { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.closing-grid h2 { margin: 0 0 6px; color: var(--ink); font-size: 1.45rem; }
.closing-grid p { margin: 0; color: var(--muted); }
.closing-links { display: flex; gap: 12px; flex-wrap: wrap; }

.page-hero { padding: clamp(42px, 7vw, 86px) 0 38px; border-bottom: 1px solid var(--line); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr); gap: 58px; align-items: end; }
.page-hero h1 { margin: 10px 0 18px; color: var(--ink); font-size: clamp(2.4rem, 5.5vw, 5rem); line-height: 1.02; letter-spacing: -0.045em; }
.page-hero p { color: var(--muted); font-size: 1.08rem; }
.page-hero-visual img { width: 100%; aspect-ratio: 5/4; object-fit: cover; border-radius: 36px 36px 14px 36px; }
.page-kicker { display: inline-flex; gap: 8px; align-items: center; color: var(--primary-dark); font-weight: 800; font-size: 0.82rem; }
.page-kicker::before { content: ""; width: 22px; height: 2px; background: var(--primary); }

.breadcrumb { margin: 22px auto 0; width: var(--shell); color: var(--muted); font-size: 0.84rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: var(--line-strong); }
.breadcrumb a { text-decoration: none; }

.info-split { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 62px; align-items: start; }
.info-split > aside { position: sticky; top: 112px; }
.info-split > aside h2 { color: var(--ink); margin-top: 0; font-size: 1.55rem; }
.info-split > aside p { color: var(--muted); }
.prose h2 { margin: 54px 0 16px; color: var(--ink); font-size: clamp(1.55rem, 3vw, 2.35rem); line-height: 1.2; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 32px 0 12px; color: var(--ink); font-size: 1.25rem; }
.prose p { margin: 0 0 18px; color: var(--text); }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li { margin-bottom: 10px; }
.prose a { color: var(--primary-dark); font-weight: 700; }
.callout { margin: 32px 0; padding: 22px 24px; border-left: 4px solid var(--accent); background: var(--paper-2); }
.callout strong { display: block; margin-bottom: 6px; color: var(--ink); }

.brand-map { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.brand-map article { padding: 28px; border-radius: var(--radius-m); background: var(--white); border: 1px solid var(--line); }
.brand-map article:nth-child(2) { transform: translateY(28px); }
.brand-map .number { color: var(--primary-dark); font-weight: 900; }
.brand-map h2 { margin: 18px 0 10px; color: var(--ink); font-size: 1.45rem; }
.brand-map p { color: var(--muted); }
.brand-map a { font-weight: 800; text-decoration: none; }

.watch-index { display: grid; grid-template-columns: 280px 1fr; gap: 48px; align-items: start; }
.watch-index-nav { position: sticky; top: 110px; padding: 22px; border-radius: var(--radius-m); background: var(--paper-2); }
.watch-index-nav h2 { margin-top: 0; color: var(--ink); font-size: 1.05rem; }
.watch-index-nav a { display: block; padding: 10px 0; border-top: 1px solid var(--line); text-decoration: none; }
.watch-index-content section { padding: 0 0 46px; margin-bottom: 46px; border-bottom: 1px solid var(--line); }
.watch-index-content h2 { color: var(--ink); font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.1; }
.watch-index-content p { color: var(--muted); }

.library-layout { display: grid; grid-template-columns: 220px 1fr; gap: 44px; }
.library-filter { position: sticky; top: 110px; align-self: start; }
.library-filter h2 { font-size: 1rem; color: var(--ink); }
.library-filter a { display: block; padding: 8px 0; text-decoration: none; color: var(--muted); }
.library-filter a:hover { color: var(--primary-dark); }
.library-list { border-top: 1px solid var(--line-strong); }
.library-item { display: grid; grid-template-columns: 180px 1fr; gap: 26px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.library-item img { width: 180px; aspect-ratio: 4/3; object-fit: cover; border-radius: 18px; }
.library-item h2 { margin: 6px 0 10px; color: var(--ink); font-size: 1.45rem; line-height: 1.3; }
.library-item h2 a { text-decoration: none; }
.library-item p { margin: 0; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.tag { display: inline-flex; padding: 5px 9px; border-radius: 999px; background: var(--paper-2); color: var(--muted); font-size: 0.76rem; }

.topic-list { display: grid; gap: 32px; }
.topic-list-item { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 32px; align-items: center; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.topic-list-item:nth-child(even) { grid-template-columns: 1.2fr 0.8fr; }
.topic-list-item:nth-child(even) .topic-list-image { order: 2; }
.topic-list-image img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 26px; }
.topic-list-copy h2 { margin: 8px 0 12px; color: var(--ink); font-size: clamp(1.6rem, 3vw, 2.65rem); line-height: 1.08; }
.topic-list-copy p { color: var(--muted); }
.topic-list-copy a { font-weight: 800; }

.article-header { padding: 52px 0 28px; }
.article-header-inner { width: min(900px, calc(100vw - 48px)); margin: 0 auto; }
.article-header h1 { margin: 12px 0 18px; color: var(--ink); font-size: clamp(2.2rem, 5vw, 4.7rem); line-height: 1.04; letter-spacing: -0.04em; }
.article-header .lede { max-width: 760px; }
.article-cover { width: min(1050px, calc(100vw - 48px)); margin: 22px auto 0; }
.article-cover img { width: 100%; max-height: 620px; object-fit: cover; border-radius: 36px; }
.article-body { display: grid; grid-template-columns: 220px minmax(0, 760px); gap: 44px; justify-content: center; padding: 54px 0 86px; }
.article-aside { position: sticky; top: 110px; align-self: start; font-size: 0.86rem; }
.article-aside h2 { margin-top: 0; color: var(--ink); font-size: 1rem; }
.article-aside a { display: block; padding: 8px 0; color: var(--muted); text-decoration: none; }
.article-prose h2 { scroll-margin-top: 120px; }
.article-prose p { font-size: 1.04rem; }
.article-related { width: var(--shell); margin: 0 auto 88px; padding-top: 38px; border-top: 1px solid var(--line); }
.article-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.article-related a { display: block; padding: 20px; border-radius: 16px; background: var(--paper-2); text-decoration: none; }
.article-related strong { display: block; color: var(--ink); }
.article-related span { display: block; margin-top: 6px; color: var(--muted); font-size: 0.86rem; }

.guide-list { display: grid; gap: 22px; }
.guide-block { scroll-margin-top: 110px; display: grid; grid-template-columns: 0.65fr 1.35fr; gap: 34px; padding: 30px 0; border-top: 1px solid var(--line); }
.guide-block h2 { margin: 6px 0 10px; color: var(--ink); font-size: 1.5rem; }
.guide-block p { color: var(--muted); }
.guide-block ol { margin: 0; padding-left: 1.3rem; }
.guide-block li { margin-bottom: 14px; }

.app-split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.app-pane { padding: clamp(28px, 5vw, 46px); border-radius: var(--radius-l); background: var(--paper-2); }
.app-pane--visual { padding: 0; overflow: hidden; min-height: 500px; }
.app-pane--visual img { width: 100%; height: 100%; object-fit: cover; }
.app-pane h2 { margin-top: 0; color: var(--ink); font-size: clamp(1.7rem, 3.4vw, 3rem); line-height: 1.12; }
.app-pane p { color: var(--muted); }
.app-checks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.app-check { padding: 22px; border-top: 3px solid var(--peach); background: var(--white); }
.app-check h3 { color: var(--ink); }
.app-check p { color: var(--muted); }

.simple-page { padding: 52px 0 88px; }
.simple-page-grid { display: grid; grid-template-columns: 280px minmax(0, 760px); gap: 58px; }
.simple-side { position: sticky; top: 112px; align-self: start; }
.simple-side img { width: 100%; border-radius: 24px; margin-bottom: 20px; }
.simple-side p { color: var(--muted); font-size: 0.9rem; }
.simple-content h1 { margin: 0 0 20px; color: var(--ink); font-size: clamp(2.2rem, 5vw, 4.2rem); line-height: 1.04; }
.simple-content h2 { margin: 42px 0 14px; color: var(--ink); font-size: 1.65rem; }
.simple-content p { color: var(--text); }
.simple-content ul { padding-left: 1.2rem; }
.simple-content li { margin-bottom: 12px; }

.search-results { padding: 50px 0 88px; }
.search-results h1 { margin: 0 0 10px; color: var(--ink); font-size: clamp(2rem, 5vw, 4rem); }
.search-results > .shell > p { color: var(--muted); }
.result-list { margin-top: 34px; border-top: 1px solid var(--line-strong); }
.result-item { display: grid; grid-template-columns: 100px 1fr auto; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); align-items: start; }
.result-type { color: var(--primary-dark); font-weight: 800; font-size: 0.82rem; }
.result-item h2 { margin: 0 0 8px; color: var(--ink); font-size: 1.35rem; }
.result-item p { margin: 0; color: var(--muted); }
.result-item a { font-weight: 800; text-decoration: none; }
.empty-state { margin-top: 28px; padding: 30px; border-radius: var(--radius-m); background: var(--paper-2); }
.empty-state h2 { margin-top: 0; color: var(--ink); }
.empty-state p { color: var(--muted); }

.error-page { min-height: 66vh; display: grid; align-items: center; padding: 70px 0; }
.error-grid { display: grid; grid-template-columns: 0.65fr 1.35fr; gap: 54px; align-items: center; }
.error-code { color: var(--peach); font-size: clamp(6rem, 18vw, 14rem); font-weight: 900; line-height: 0.8; letter-spacing: -0.08em; }
.error-copy h1 { margin: 0 0 14px; color: var(--ink); font-size: clamp(2rem, 5vw, 4rem); }
.error-copy p { color: var(--muted); }
.error-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

.site-footer { border-top: 1px solid var(--line); background: var(--paper-2); padding: 54px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 0.7fr); gap: 44px; }
.footer-grid h2 { margin: 0 0 14px; color: var(--ink); font-size: 0.95rem; }
.footer-grid > div > a { display: block; margin: 8px 0; color: var(--muted); text-decoration: none; }
.footer-brand p { max-width: 500px; color: var(--muted); font-size: 0.9rem; }
.brand-lockup--footer { margin-bottom: 16px; }
.footer-bottom { margin-top: 38px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 22px; color: var(--muted); font-size: 0.82rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { text-decoration: none; font-weight: 700; }

@media (max-width: 1120px) {
  .header-inner { grid-template-columns: auto auto 1fr auto; }
  .menu-toggle { display: inline-flex; justify-self: end; }
  .primary-nav {
    display: none;
    position: absolute;
    top: 77px;
    left: 24px;
    right: 24px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--paper);
    box-shadow: var(--shadow);
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .primary-nav.is-open { display: flex; }
  .search-trigger { justify-self: end; }
  .article-stream { grid-template-columns: 1fr 280px; gap: 36px; }
  .guide-rhythm { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.2fr repeat(3, 0.8fr); gap: 28px; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 1180px); --content: min(100% - 36px, 760px); }
  .cover-grid,
  .page-hero-grid,
  .pathway-grid,
  .watch-feature,
  .mobile-feature,
  .name-note,
  .faq-teaser,
  .info-split,
  .app-split,
  .simple-page-grid,
  .error-grid { grid-template-columns: 1fr; }
  .cover-visual { min-height: 420px; }
  .cover-visual img { min-height: 420px; }
  .pathway-aside,
  .faq-teaser-intro,
  .info-split > aside,
  .simple-side { position: static; }
  .watch-feature-main { min-height: 440px; }
  .watch-feature-main img { min-height: 440px; }
  .topic-card,
  .topic-card:nth-child(1),
  .topic-card:nth-child(2),
  .topic-card:nth-child(5),
  .topic-card:nth-child(6) { grid-column: span 6; }
  .article-stream { grid-template-columns: 1fr; }
  .stream-aside { position: static; }
  .article-body { grid-template-columns: 1fr; width: var(--content); margin: 0 auto; }
  .article-aside { position: static; display: flex; flex-wrap: wrap; gap: 10px 18px; }
  .article-aside h2 { width: 100%; }
  .article-related-grid { grid-template-columns: 1fr 1fr; }
  .brand-map { grid-template-columns: 1fr; }
  .brand-map article:nth-child(2) { transform: none; }
  .watch-index,
  .library-layout { grid-template-columns: 1fr; }
  .watch-index-nav,
  .library-filter { position: static; display: flex; flex-wrap: wrap; gap: 6px 18px; }
  .watch-index-nav h2,
  .library-filter h2 { width: 100%; }
  .watch-index-nav a { border-top: 0; }
  .topic-list-item,
  .topic-list-item:nth-child(even) { grid-template-columns: 1fr; }
  .topic-list-item:nth-child(even) .topic-list-image { order: initial; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .header-inner { min-height: 70px; grid-template-columns: 1fr auto auto; gap: 10px; }
  .brand-text small { display: none; }
  .brand-lockup img { width: 42px; height: 42px; }
  .primary-nav { top: 69px; left: 18px; right: 18px; }
  .search-trigger { width: 42px; height: 42px; padding: 0; overflow: hidden; color: transparent; position: relative; }
  .search-trigger::after { content: "搜"; color: var(--ink); position: absolute; inset: 0; display: grid; place-items: center; }
  .menu-toggle { padding: 9px 12px; }
  .cover-copy h1 { font-size: clamp(2.55rem, 13vw, 4.8rem); }
  .intent-list { grid-template-columns: 1fr; }
  .intent-item { border-left: 0; border-top: 1px solid var(--line); padding: 16px 0; }
  .intent-item:first-child { border-top: 0; }
  .pathway-row { grid-template-columns: 70px 1fr; }
  .pathway-row > a { grid-column: 2; }
  .watch-rail-item { grid-template-columns: 108px 1fr; }
  .watch-rail-item img { width: 108px; }
  .topic-band { grid-template-columns: 1fr; }
  .topic-card,
  .topic-card:nth-child(1),
  .topic-card:nth-child(2),
  .topic-card:nth-child(5),
  .topic-card:nth-child(6) { grid-column: auto; min-height: 320px; }
  .stream-item,
  .library-item { grid-template-columns: 118px 1fr; gap: 16px; }
  .stream-item img,
  .library-item img { width: 118px; }
  .mobile-collage { max-width: 560px; }
  .guide-rhythm { grid-template-columns: 1fr; }
  .guide-step { min-height: 0; }
  .guide-step::before { margin-bottom: 14px; }
  .closing-grid { grid-template-columns: 1fr; }
  .guide-block { grid-template-columns: 1fr; gap: 8px; }
  .app-checks { grid-template-columns: 1fr; }
  .result-item { grid-template-columns: 76px 1fr; }
  .result-item > a { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 520px) {
  :root { --shell: calc(100% - 28px); --content: calc(100% - 28px); }
  .brand-text strong { font-size: 0.98rem; }
  .home-cover { padding-top: 34px; }
  .cover-visual, .cover-visual img { min-height: 330px; }
  .cover-caption { left: 12px; right: 12px; bottom: 12px; padding: 13px; }
  .editorial-section { padding: 56px 0; }
  .section-head { display: block; }
  .section-head .button { margin-top: 16px; }
  .pathway-row { grid-template-columns: 1fr; gap: 8px; }
  .pathway-row > a { grid-column: 1; }
  .watch-feature-main, .watch-feature-main img { min-height: 390px; }
  .watch-feature-overlay { padding: 22px; }
  .watch-rail-item { grid-template-columns: 92px 1fr; }
  .watch-rail-item img { width: 92px; border-radius: 12px; }
  .stream-item,
  .library-item { grid-template-columns: 1fr; }
  .stream-item img,
  .library-item img { width: 100%; max-height: 220px; }
  .mobile-collage { grid-template-columns: 1fr 0.76fr; }
  .name-note-visual, .name-note-visual img { min-height: 330px; }
  .article-related-grid { grid-template-columns: 1fr; }
  .article-header-inner,
  .article-cover { width: var(--shell); }
  .search-input-row { grid-template-columns: 1fr; }
  .search-input-row button { width: 100%; }
  .result-item { grid-template-columns: 1fr; gap: 8px; }
  .result-item > a { grid-column: 1; }
}