:root {
  --ink: #171714;
  --paper: #f3efe5;
  --paper-2: #e8e1d3;
  --paper-3: #ddd3c1;
  --red: #bd2b22;
  --muted: #6f6a60;
  --line: #c9c0af;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); font-size: 17px; line-height: 1.75; overflow-x: hidden; }
button, input, a { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.site-header {
  height: 88px;
  padding: 0 max(24px, calc((100vw - 1280px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(243, 239, 229, .94);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
}

.brand { display: flex; align-items: center; gap: 14px; font-weight: 700; letter-spacing: .12em; line-height: 1.2; }
.brand-mark { width: 42px; height: 42px; flex: 0 0 auto; overflow: hidden; border: 1px solid var(--ink); border-radius: 50%; background: #fff; }
.brand-mark img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 50% 47%; transform: scale(1.55); }
.brand small { display: block; margin-top: 7px; color: var(--muted); font: 10px/1.2 sans-serif; letter-spacing: .18em; }
.site-header nav { display: flex; align-items: center; gap: 26px; font: 13px/1 sans-serif; }
.site-header nav a { padding: 10px 0; border-bottom: 1px solid transparent; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--red); border-color: var(--red); outline: 0; }

.hero {
  min-height: calc(100svh - 88px);
  max-width: 1280px;
  margin: auto;
  padding: clamp(64px, 9vw, 132px) 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: clamp(70px, 12vw, 170px);
  align-items: center;
}

.eyebrow { margin: 0 0 20px; color: var(--red); font: 700 11px/1.4 sans-serif; letter-spacing: .2em; text-transform: uppercase; }
.hero h1 { max-width: 830px; margin: 0; font-size: clamp(56px, 7.2vw, 102px); line-height: 1.04; letter-spacing: -.055em; }
.hero h1 em { color: var(--red); font-style: normal; font-weight: inherit; }
.hero-intro { max-width: 660px; margin: 36px 0 0; color: #3b3933; font-size: clamp(18px, 1.8vw, 24px); line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 32px; margin-top: 46px; }
.primary-action { padding: 14px 20px; color: var(--paper); background: var(--ink); font: 14px/1.4 sans-serif; }
.primary-action:hover, .primary-action:focus-visible { background: var(--red); outline: 0; }
.text-action { padding: 10px 0; border-bottom: 1px solid var(--ink); font: 14px/1.4 sans-serif; }
.text-action span { margin-left: 10px; color: var(--red); }

.hero-note { align-self: end; padding: 28px 0 0; border-top: 1px solid var(--ink); }
.note-number { color: var(--red); font: 700 56px/1 sans-serif; opacity: .18; }
.hero-note > p { margin: 18px 0 34px; color: var(--muted); font-size: 14px; }
.hero-note dl { margin: 0; }
.hero-note dl div { padding: 18px 0; display: flex; align-items: baseline; gap: 16px; border-top: 1px solid var(--line); }
.hero-note dt { min-width: 74px; color: var(--red); font: 700 30px/1 sans-serif; }
.hero-note dd { margin: 0; color: var(--muted); font: 12px/1.5 sans-serif; }

.section { padding: 110px max(24px, calc((100vw - 1280px) / 2)); border-top: 1px solid var(--line); }
.section-header { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 80px; align-items: end; margin-bottom: 58px; }
.section-header h2, .reading-header h2 { margin: 0; font-size: clamp(36px, 4.5vw, 64px); line-height: 1.15; letter-spacing: -.035em; }
.section-header > p { margin: 0 0 6px; color: var(--muted); }

.section-boards { background: var(--paper-2); }
.board-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.board-card { min-height: 280px; padding: 28px 24px; display: grid; grid-template-columns: 1fr; align-content: start; gap: 0; border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: transparent; text-align: left; }
.board-card:hover, .board-card:focus-visible, .board-card.is-active { color: var(--paper); background: var(--red); outline: 0; }
.board-card .item-number { color: var(--muted); font: 11px/1 sans-serif; }
.board-card:hover .item-number, .board-card.is-active .item-number { color: #f5c8c4; }
.board-card h3 { margin: 20px 0 0; font-size: clamp(34px, 3.4vw, 52px); line-height: 1.2; letter-spacing: -.02em; }
.board-card p { margin: 16px 0 24px; color: var(--muted); font-size: 14px; }
.board-card:hover p, .board-card.is-active p { color: #f5d9d6; }
.board-card small { align-self: end; font: 12px/1.4 sans-serif; }
.board-card small b { margin-left: 8px; color: var(--red); }
.board-card:hover small b, .board-card.is-active small b { color: var(--paper); }

.section-situations { background: var(--ink); color: var(--paper); }
.section-situations .section-header > p { color: #aaa397; }
.situation-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid #49463f; }
.situation-card { min-height: 210px; padding: 30px 32px; display: grid; grid-template-columns: 48px 1fr; align-content: start; gap: 0 18px; border: 0; border-right: 1px solid #49463f; border-bottom: 1px solid #49463f; background: transparent; color: var(--paper); text-align: left; }
.situation-card:nth-child(even) { border-right: 0; }
.situation-card:hover, .situation-card:focus-visible, .situation-card.is-active { background: var(--red); outline: 0; }
.item-number { grid-row: 1 / span 3; color: #817c72; font: 11px/1 sans-serif; }
.situation-card:hover .item-number, .situation-card.is-active .item-number { color: #f5c8c4; }
.situation-card h3 { margin: 0; font-size: clamp(23px, 2.3vw, 34px); line-height: 1.35; }
.situation-card p { margin: 14px 0 22px; color: #aaa397; font-size: 14px; }
.situation-card:hover p, .situation-card.is-active p { color: #f5d9d6; }
.situation-card small { align-self: end; font: 12px/1.4 sans-serif; }
.situation-card small b { margin-left: 8px; color: var(--red); }
.situation-card:hover small b, .situation-card.is-active small b { color: var(--paper); }

.topic-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.topic-card { min-height: 200px; padding: 30px 28px; display: grid; grid-template-columns: 44px minmax(0, 1fr) 48px; gap: 20px; align-items: start; border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: transparent; text-align: left; }
.topic-card:nth-child(even) { border-right: 0; }
.topic-card:hover, .topic-card:focus-visible, .topic-card.is-active { background: var(--paper-2); outline: 0; }
.topic-card h3 { margin: 0; font-size: clamp(22px, 2.1vw, 30px); line-height: 1.4; }
.topic-card p { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.topic-card strong { color: var(--red); font: 700 28px/1 sans-serif; text-align: right; }

.reading-section { background: #ece6da; }
.reading-header { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 80px; align-items: end; margin-bottom: 34px; }
.reading-header > div > p:last-child { max-width: 690px; margin: 20px 0 0; color: var(--muted); }
.reading-tools label { display: block; margin-bottom: 10px; color: var(--muted); font: 11px/1 sans-serif; letter-spacing: .12em; }
.search-box { display: flex; border-bottom: 1px solid var(--ink); }
.search-box input { min-width: 0; flex: 1; padding: 12px 0; border: 0; background: transparent; outline: 0; }
.search-box button { flex: 0 0 auto; padding: 12px 0 12px 18px; border: 0; background: transparent; color: var(--red); font: 12px/1 sans-serif; }
.active-filter { margin: 0 0 34px; padding: 13px 16px; display: flex; align-items: center; justify-content: space-between; background: var(--paper-3); font: 12px/1.4 sans-serif; }
.active-filter button { border: 0; background: none; color: var(--red); }
.group-chips { margin: 0 0 34px; display: flex; flex-wrap: wrap; gap: 10px; }
.group-chips[hidden] { display: none; }
.group-chip { padding: 9px 14px; border: 1px solid var(--ink); background: transparent; font: 13px/1 sans-serif; }
.group-chip b { margin-left: 8px; color: var(--red); font-weight: 400; }
.group-chip:hover, .group-chip:focus-visible { outline: 0; border-color: var(--red); color: var(--red); }
.group-chip.is-active { color: var(--paper); background: var(--ink); }
.group-chip.is-active b { color: #f5c8c4; }
.reading-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.reading-card { min-width: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.reading-card:nth-child(even) { border-right: 0; }
.reading-card-button { width: 100%; height: 100%; min-height: 520px; padding: 36px 34px 30px; display: flex; flex-direction: column; border: 0; background: transparent; text-align: left; }
.reading-card-button:hover, .reading-card-button:focus-visible { background: var(--paper); outline: 0; }
.reading-card-meta { display: flex; gap: 16px; color: var(--muted); font: 11px/1 sans-serif; letter-spacing: .08em; }
.reading-card-meta span:first-child { color: var(--red); font-size: 22px; font-weight: 700; }
.reading-card-meta time { margin-left: auto; }
.reading-card h3 { margin: 28px 0 16px; font-size: clamp(27px, 2.8vw, 40px); line-height: 1.35; letter-spacing: -.02em; }
.card-summary { margin: 0 0 28px; color: var(--muted); font-size: 14px; }
.reading-card blockquote { margin: 0; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: #3b3933; font-size: 17px; line-height: 1.9; }
.card-footer { margin-top: auto; padding-top: 28px; display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.card-footer ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.card-footer li { padding: 6px 8px; border: 1px solid var(--line); color: var(--muted); font: 10px/1 sans-serif; }
.card-footer > span { flex: 0 0 auto; color: var(--red); font: 12px/1.4 sans-serif; }
.load-more-wrap { padding-top: 46px; text-align: center; }
.load-more { min-width: 180px; padding: 13px 22px; border: 1px solid var(--ink); background: transparent; font: 13px/1 sans-serif; }
.load-more:hover, .load-more:focus-visible { color: var(--paper); background: var(--ink); outline: 0; }
.load-more[hidden] { display: none; }
.empty-state { grid-column: 1 / -1; padding: 80px 24px; text-align: center; }
.empty-state strong { font-size: 26px; }
.empty-state p { color: var(--muted); }

.daily-archive { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.daily-archive a { min-height: 190px; padding: 26px 24px; display: flex; flex-direction: column; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.daily-archive a:last-child { border-right: 0; }
.daily-archive a:hover, .daily-archive a:focus-visible { color: var(--paper); background: var(--red); outline: 0; }
.daily-archive span { color: var(--muted); font: 11px/1 sans-serif; }
.daily-archive time { margin-top: 25px; font-size: 25px; }
.daily-archive b { margin-top: auto; font: 12px/1.4 sans-serif; }

footer { min-height: 270px; padding: 74px max(24px, calc((100vw - 1280px) / 2)); display: grid; grid-template-columns: 1fr 2fr auto; gap: 50px; align-items: start; color: var(--paper); background: var(--ink); }
footer strong { font-size: 24px; letter-spacing: .15em; }
footer p { max-width: 590px; margin: 0; color: #bbb5aa; }
footer span { color: var(--red); font: 14px/1 sans-serif; }

.drawer-layer { position: fixed; inset: 0; width: 100vw; height: 100dvh; overflow: hidden; z-index: 30; }
.drawer-layer[hidden] { display: none; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(15, 14, 12, .55); }
.drawer { position: absolute; inset: 0 0 0 auto; width: min(620px, 94vw); padding: 36px 42px 64px; overflow: auto; background: var(--paper); box-shadow: -20px 0 70px rgba(0, 0, 0, .2); outline: 0; animation: drawer-in .22s ease-out; }
@keyframes drawer-in { from { transform: translateX(100%); } }
.drawer-handle { display: none; }
.drawer > header { padding-bottom: 24px; display: flex; justify-content: space-between; gap: 26px; border-bottom: 1px solid var(--ink); }
.drawer > header .eyebrow { margin-bottom: 8px; }
.drawer h2 { margin: 0; font-size: clamp(28px, 3.1vw, 40px); line-height: 1.35; }
.drawer-close { width: 42px; height: 42px; flex: 0 0 auto; border: 1px solid var(--ink); background: transparent; font: 28px/1 sans-serif; }
.drawer-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 0; }
.drawer-tags span { padding: 7px 9px; color: var(--paper); background: var(--ink); font: 11px/1 sans-serif; }
.drawer-summary { margin: 24px 0; color: var(--muted); }
.source-meta { margin: 0 0 34px; padding: 18px 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; background: var(--paper-2); }
.source-meta div { min-width: 0; }
.source-meta dt { color: var(--muted); font: 10px/1.4 sans-serif; letter-spacing: .1em; }
.source-meta dd { margin: 5px 0 0; overflow-wrap: anywhere; font-size: 13px; }
.source-stack { border-top: 1px solid var(--ink); }
.source-message { padding: 28px 0; border-bottom: 1px solid var(--line); }
.source-message > div { display: flex; justify-content: space-between; color: var(--red); font: 11px/1 sans-serif; }
.source-message p { margin: 18px 0 0; font-size: 18px; line-height: 1.95; }
.source-message small { display: block; margin-top: 12px; color: var(--muted); font: 11px/1.4 sans-serif; }
.drawer-daily-link { display: block; margin-top: 34px; padding: 14px 16px; color: var(--paper); background: var(--red); text-align: center; font: 13px/1.4 sans-serif; }
.load-error { padding: 80px 24px; }

@media (max-width: 860px) {
  body { font-size: 16px; }
  .site-header { height: 74px; padding: 0 14px; gap: 12px; }
  .brand { gap: 9px; font-size: 15px; }
  .brand small { display: none; }
  .brand-mark { width: 36px; height: 36px; }
  .site-header nav { gap: 10px; font-size: 11px; }
  .site-header nav a { padding: 8px 2px; }
  .hero { min-height: auto; padding: 72px 20px 84px; display: block; }
  .hero h1 { font-size: clamp(52px, 16vw, 72px); line-height: 1.1; }
  .hero-intro { margin-top: 28px; font-size: 18px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; margin-top: 36px; }
  .hero-note { margin-top: 72px; }
  .section { padding: 80px 20px; }
  .section-header, .reading-header { display: block; margin-bottom: 42px; }
  .section-header > p { margin-top: 20px; }
  .reading-tools { margin-top: 34px; }
  .situation-grid, .topic-grid, .reading-list { grid-template-columns: 1fr; }
  .situation-card, .topic-card, .reading-card { border-right: 0; }
  .situation-card { min-height: 190px; padding: 26px 18px; grid-template-columns: 36px 1fr; gap: 0 10px; }
  .topic-card { min-height: 180px; padding: 25px 16px; grid-template-columns: 30px minmax(0, 1fr) 40px; gap: 12px; }
  .reading-card-button { min-height: 500px; padding: 30px 18px 26px; }
  .reading-card h3 { font-size: 29px; }
  .reading-card blockquote { font-size: 16px; }
  .card-footer { align-items: flex-start; flex-direction: column; }
  .daily-archive { grid-template-columns: 1fr 1fr; }
  .daily-archive a:nth-child(2) { border-right: 0; }
  .daily-archive a { min-height: 160px; }
  footer { min-height: 0; padding: 54px 20px; display: block; }
  footer p { margin: 18px 0 28px; }
  .drawer { inset: auto 0 0; width: 100%; height: 94svh; padding: 18px 20px 50px; border-radius: 18px 18px 0 0; animation: sheet-in .22s ease-out; }
  @keyframes sheet-in { from { transform: translateY(100%); } }
  .drawer-handle { display: block; width: 42px; height: 4px; margin: 0 auto 18px; border-radius: 4px; background: var(--line); }
  .source-meta { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}

/* 处境阅读动线（四段式策展路径） */
.situation-path-preview { grid-column: 1 / -1; margin: 0 0 18px; padding: 14px 0 0; border-top: 1px solid #49463f; list-style: none; }
.situation-path-preview li { padding: 5px 0; color: #cdc6b8; font-size: 13px; line-height: 1.6; }
.situation-path-preview li::before { content: "— "; color: var(--red); }
.situation-card:hover .situation-path-preview li, .situation-card.is-active .situation-path-preview li { color: #fbe9e7; }
.situation-card:hover .situation-path-preview li::before, .situation-card.is-active .situation-path-preview li::before { color: #f5c8c4; }

.path-stage { grid-column: 1 / -1; border-bottom: 1px solid var(--ink); }
.path-stage-header { display: flex; align-items: baseline; gap: 18px; padding: 34px 32px 22px; }
.path-stage-header span { color: var(--red); font: 700 22px/1 sans-serif; }
.path-stage-header h3 { margin: 0; font-size: clamp(20px, 2vw, 28px); }
.path-stage .path-card { border-bottom: 0; }
.path-stage-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }

.path-more { grid-column: 1 / -1; border-bottom: 1px solid var(--ink); }
.path-more > summary { padding: 26px 32px; cursor: pointer; color: var(--muted); font: 14px/1.4 sans-serif; list-style: none; }
.path-more > summary::before { content: "＋ "; color: var(--red); }
.path-more[open] > summary::before { content: "－ "; }
.path-more > summary:hover { color: var(--ink); }
.path-more-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }

@media (max-width: 860px) {
  .path-stage-header { padding: 26px 18px 16px; }
  .path-stage-cards, .path-more-list { grid-template-columns: 1fr; }
  .path-more > summary { padding: 20px 18px; }
}