:root {
  --paper: #fff7ed;
  --surface: #ffffff;
  --ink: #251b13;
  --muted: #715f52;
  --line: #ead7c5;
  --green: #c45113;
  --green-2: #e1681e;
  --coral: #f08a24;
  --yellow: #ffbd5a;
  --blue: #a94811;
  --charcoal: #24160e;
  --shadow: 0 18px 46px rgba(196, 81, 19, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(196, 81, 19, 0.045) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(180deg, #fffdf8 0%, var(--paper) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.rail-toggle {
  display: none;
}

.site-shell {
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  min-height: 100vh;
}

.site-rail {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 30px 22px;
  color: #f8fff8;
  background: var(--charcoal);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  font-size: 20px;
  font-weight: 900;
  border-radius: 8px;
  background: #f97316;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 19px;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

.rail-nav {
  display: grid;
  gap: 8px;
  margin-top: 42px;
}

.rail-nav a {
  min-height: 40px;
  padding: 8px 11px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 760;
  border-left: 3px solid transparent;
}

.rail-nav a:hover {
  color: #fff;
  border-color: var(--yellow);
  background: rgba(255, 255, 255, 0.06);
}

.rail-note {
  margin-top: 42px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.rail-note span {
  color: var(--yellow);
  font-size: 13px;
  font-weight: 900;
}

.rail-note p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.rail-cta,
.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 800;
}

.rail-cta {
  width: 100%;
  margin-top: 18px;
  color: #fff;
  background: var(--green-2);
}

main {
  min-width: 0;
}

.brief {
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(360px, 1.08fr);
  gap: 36px;
  align-items: center;
  padding: 54px 5vw 28px;
}

.brief-copy {
  max-width: 760px;
}

.crumb {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(34px, 4.35vw, 58px);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 3.35vw, 44px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.25;
  letter-spacing: 0;
}

.lead {
  color: #5b4a3d;
  font-size: 19px;
}

.brief-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-action {
  padding: 0 20px;
  color: #fff;
  background: var(--green);
  box-shadow: 0 14px 30px rgba(196, 81, 19, 0.24);
}

.secondary-action {
  padding: 0 20px;
  color: var(--green);
  background: var(--surface);
  border: 1px solid var(--line);
}

.brief-visual {
  margin: 0;
}

.brief-visual img {
  width: 100%;
  aspect-ratio: 1717 / 916;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(196, 81, 19, 0.12);
}

.brief-visual figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.source-register {
  display: grid;
  grid-template-columns: 1.25fr 0.55fr 1fr;
  gap: 1px;
  margin: 0 5vw 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: 0 10px 28px rgba(196, 81, 19, 0.08);
}

.source-register div {
  min-height: 82px;
  padding: 17px 18px;
  background: rgba(255, 255, 255, 0.88);
}

.source-register span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.source-register strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.35;
}

.keyword-strip {
  display: flex;
  gap: 10px;
  padding: 0 5vw 48px;
  overflow-x: auto;
}

.keyword-strip span {
  flex: 0 0 auto;
  padding: 8px 12px;
  color: #693a19;
  font-size: 14px;
  font-weight: 800;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.section {
  padding: 72px 5vw;
  border-top: 1px solid var(--line);
}

.section-title {
  max-width: 820px;
  margin-bottom: 32px;
}

.section-title p + h2 {
  margin-top: 0;
}

.verdict {
  background: #fffaf3;
}

.verdict-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(320px, 0.78fr);
  gap: 30px;
  align-items: start;
}

.verdict-copy {
  max-width: 780px;
  color: #58463a;
  font-size: 18px;
}

.verdict-copy strong {
  color: var(--green);
}

.fact-sheet {
  display: grid;
  gap: 10px;
  margin: 0;
}

.fact-sheet div {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 14px;
  min-height: 72px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.fact-sheet dt {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.fact-sheet dd {
  margin: 0;
  font-weight: 850;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(196, 81, 19, 0.07);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 18px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  color: #5d2f13;
  font-size: 14px;
  background: #fff0df;
}

td {
  color: #5e4b3e;
}

tr:last-child td {
  border-bottom: 0;
}

.locations {
  background: #fff1e2;
}

.location-ledger {
  display: grid;
  gap: 14px;
}

.location-ledger article {
  display: grid;
  grid-template-columns: 150px minmax(180px, 0.35fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 22px;
  border: 1px solid #ebcdb3;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
}

.location-ledger span,
.reading-list span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.location-ledger p {
  margin-bottom: 0;
  color: var(--muted);
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.scenario-list article {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  min-height: 188px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.scenario-list span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #fff;
  font-weight: 900;
  border-radius: 8px;
  background: #de5f17;
}

.scenario-list p,
.reading-list em,
.faq-list p,
.site-footer p {
  color: var(--muted);
}

.choice {
  background: var(--charcoal);
  color: #fff;
}

.choice .crumb {
  color: var(--yellow);
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: item;
}

.checklist li {
  min-height: 84px;
  padding: 18px 18px 18px 58px;
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  counter-increment: item;
  position: relative;
}

.checklist strong {
  display: block;
  margin-bottom: 3px;
  color: #fff;
}

.checklist li::before {
  content: counter(item);
  position: absolute;
  left: 18px;
  top: 18px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--charcoal);
  font-weight: 900;
  border-radius: 8px;
  background: var(--yellow);
}

.articles {
  background: #fffaf3;
}

.reading-list {
  display: grid;
  gap: 12px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.category-grid-compact {
  margin-bottom: 18px;
}

.category-grid a {
  display: grid;
  gap: 8px;
  min-height: 152px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.category-grid a:hover,
.library-list a:hover {
  border-color: rgba(196, 81, 19, 0.42);
  box-shadow: 0 10px 28px rgba(196, 81, 19, 0.1);
}

.category-grid span,
.library-list span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.category-grid strong {
  font-size: 21px;
  line-height: 1.25;
}

.category-grid em,
.library-list em {
  color: var(--muted);
  font-style: normal;
}

.section-link {
  margin: 0 0 18px;
}

.section-link a {
  color: var(--green);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.reading-list a {
  display: grid;
  grid-template-columns: 108px minmax(240px, 0.9fr) minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 98px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.reading-list a:hover {
  border-color: rgba(196, 81, 19, 0.42);
  box-shadow: 0 10px 28px rgba(196, 81, 19, 0.1);
}

.reading-list strong {
  font-size: 19px;
}

.reading-list em {
  font-style: normal;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
}

details p {
  margin: 14px 0 0;
}

.site-footer {
  padding: 34px 5vw 34px calc(286px + 5vw);
  color: rgba(255, 255, 255, 0.78);
  background: #21150e;
}

.site-footer strong {
  color: #fff;
}

.site-footer p {
  margin: 6px 0 0;
}

.footer-links a {
  color: #fff;
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-page {
  background:
    linear-gradient(90deg, rgba(196, 81, 19, 0.045) 1px, transparent 1px) 0 0 / 34px 34px,
    #fffdf8;
}

.article-header {
  max-width: 920px;
  margin: 0 auto;
  padding: 54px 5vw 26px;
}

.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 42px;
  color: var(--green);
  font-weight: 850;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.article-meta span {
  padding: 6px 10px;
  color: var(--green);
  font-size: 13px;
  font-weight: 850;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.article-header h1 {
  max-width: 880px;
  font-size: clamp(34px, 5vw, 58px);
}

.article-summary {
  color: #5b4a3d;
  font-size: 20px;
}

.article-main {
  max-width: 920px;
  margin: 0 auto;
  padding: 16px 5vw 86px;
}

.article-body {
  display: grid;
  gap: 22px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
}

.article-body h2 {
  margin: 22px 0 0;
  font-size: 30px;
}

.article-body p,
.article-body li {
  color: #5e4b3e;
  font-size: 18px;
}

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

.article-body li + li {
  margin-top: 8px;
}

.article-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 16px;
}

.article-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  color: #fff;
  font-weight: 850;
  border-radius: 8px;
  background: var(--green);
}

.article-cta a.secondary {
  color: var(--green);
  background: #fff;
  border: 1px solid var(--line);
}

.library-page {
  background:
    linear-gradient(90deg, rgba(196, 81, 19, 0.045) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(180deg, #fffdf8 0%, var(--paper) 100%);
}

.library-header,
.library-main,
.library-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding-right: 5vw;
  padding-left: 5vw;
}

.library-header {
  padding-top: 54px;
  padding-bottom: 26px;
}

.library-main {
  padding-bottom: 60px;
}

.library-section {
  padding: 38px 0;
  border-top: 1px solid var(--line);
}

.library-note {
  max-width: 900px;
  color: #5e4b3e;
  font-size: 18px;
}

.library-list {
  display: grid;
  gap: 12px;
}

.library-list a {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  min-height: 98px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.library-list strong {
  font-size: 20px;
  line-height: 1.3;
}

.library-list em {
  grid-column: 2;
}

.library-footer {
  padding-top: 28px;
  padding-bottom: 34px;
  border-top: 1px solid var(--line);
}

.library-footer strong {
  display: block;
  margin-bottom: 6px;
}

.library-footer p {
  margin: 0;
  color: var(--muted);
}

.library-footer a {
  color: var(--green);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 1080px) {
  .rail-toggle {
    position: fixed;
    right: 16px;
    top: 16px;
    z-index: 40;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 14px;
    color: #fff;
    font-weight: 850;
    border: 0;
    border-radius: 8px;
    background: var(--green);
    box-shadow: var(--shadow);
  }

  .site-shell {
    display: block;
  }

  .site-rail {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 35;
    width: min(286px, 86vw);
    transform: translateX(-105%);
    transition: transform 0.22s ease;
  }

  .site-rail.is-open {
    transform: translateX(0);
  }

  .brief,
  .verdict-layout,
  .source-register,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    padding-left: 5vw;
  }
}

@media (max-width: 760px) {
  .brief {
    padding-top: 84px;
  }

  h1 {
    font-size: 34px;
  }

  .lead {
    font-size: 18px;
  }

  .source-register {
    margin-bottom: 16px;
  }

  .keyword-strip {
    padding-bottom: 36px;
  }

  .section {
    padding: 56px 5vw;
  }

  .location-ledger article,
  .scenario-list,
  .checklist,
  .reading-list a,
  .library-list a {
    grid-template-columns: 1fr;
  }

  .library-list em {
    grid-column: auto;
  }

  .fact-sheet div {
    grid-template-columns: 1fr;
  }

  .scenario-list article {
    min-height: auto;
  }

  .reading-list a {
    align-items: start;
  }

  .article-body {
    padding: 22px;
  }
}