/* ══════════════════════════════════════════════════════════════════════════
   SWISS EDITORIAL GRID / ARCHITECTURAL HAIRLINE LIGHT THEME
   浅色纸张底 · 1px 建筑线条网格 · 衬线标题 + 等宽数字 + 舒适正文阅读
   ══════════════════════════════════════════════════════════════════════════ */

:root {
  color-scheme: light;
  --paper: #faf8f5;
  --sheet: #ffffff;
  --subtle: #f3f0ea;
  --ink: #121212;
  --body: #22211f;
  --muted: #6b675e;
  --faint: #969186;
  --rule: #dedad0;
  --rule-strong: #121212;
  --accent: #121212;
  --up: #146c43;
  --up-bg: #eaf5ef;
  --down: #b02a37;
  --down-bg: #fbecee;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  accent-color: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  text-decoration-color: var(--faint);
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}
a:hover {
  color: var(--ink);
  text-decoration-color: var(--ink);
}

:target {
  scroll-margin-top: 4.5rem;
}

.skip {
  position: absolute;
  inset-inline-start: -9999px;
}
.skip:focus {
  inset-inline-start: 1rem;
  inset-block-start: 1rem;
  background: var(--sheet);
  padding: 0.5rem 1rem;
  border: 1px solid var(--ink);
  z-index: 100;
}

/* ── 外层建筑网格画框 (Architectural Frame) ── */
.frame {
  max-inline-size: 82.5rem; /* 1320px */
  margin-inline: auto;
  min-block-size: 100dvh;
  border-inline: 1px solid var(--rule);
  background-color: var(--paper);
  display: flex;
  flex-direction: column;
}

/* ── 顶栏 (Compact Top Bar, < 12% viewport height) ── */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 40;
  background-color: rgba(250, 248, 245, 0.94);
  backdrop-filter: blur(8px);
  border-block-end: 1px solid var(--rule-strong);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 0.85rem;
  padding-inline: 2rem;
}

.brand-group {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.brand {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand-divider {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  gap: 0.35rem 1.4rem;
  font-size: 0.875rem;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.site-header nav a:hover {
  color: var(--ink);
}

.lang-switch {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--rule-strong);
  color: var(--ink) !important;
}
.lang-switch:hover {
  background-color: var(--ink);
  color: var(--paper) !important;
}

/* ── 报头横幅 (Masthead) ── */
.masthead {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: end;
  padding-block: 2.5rem 2rem;
  padding-inline: 2rem;
  border-block-end: 1px solid var(--rule);
}

@media (max-width: 860px) {
  .masthead {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding-block: 1.75rem 1.5rem;
    padding-inline: 1.25rem;
  }
}

.masthead-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-block-end: 0.45rem;
}

.masthead-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
}

.masthead-lead {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted);
  border-inline-start: 1px solid var(--rule-strong);
  padding-inline-start: 1rem;
  text-wrap: pretty;
}

/* ── 顶部期数时间轴切换条 (Issue Chronology Switcher Bar) ── */
.chrono-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  padding-block: 0.6rem;
  padding-inline: 2rem;
  border-block-end: 1px solid var(--rule);
  background-color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.chrono-label {
  color: var(--muted);
  letter-spacing: 0.08em;
  font-weight: 600;
}

.chrono-track {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  flex: 1;
}

.chrono-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.6rem;
  border: 1px solid var(--rule);
  background-color: var(--sheet);
  color: var(--body);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
}
.chrono-item:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.chrono-item.is-active {
  background-color: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.chrono-tag {
  font-size: 0.66rem;
  opacity: 0.7;
}
.chrono-all {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
.chrono-all:hover {
  text-decoration: underline;
}

/* ── 1px 建筑线条行情横栏 (Architectural Index Strip) ── */
.snapshot-strip {
  border-block-end: 1px solid var(--rule-strong);
  background-color: var(--sheet);
}

.strip-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding-block: 0.5rem;
  padding-inline: 2rem;
  border-block-end: 1px solid var(--rule);
  background-color: var(--subtle);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.strip-kicker {
  color: var(--ink);
  font-weight: 600;
}

.ticker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.ticker-cell {
  padding: 1.1rem 1.5rem;
  border-inline-end: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.55rem;
  transition: background-color 0.15s ease;
}
.ticker-cell:last-child {
  border-inline-end: 0;
}
.ticker-cell:hover {
  background-color: var(--paper);
}

.ticker-top {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.ticker-idx {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--faint);
}

.ticker-label {
  font-size: 0.8125rem;
  color: var(--muted);
  font-weight: 500;
}

.ticker-bottom {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.ticker-value {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.ticker-change {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: 0.1rem 0.4rem;
}

.badge-up {
  color: var(--up);
  background-color: var(--up-bg);
}
.badge-down {
  color: var(--down);
  background-color: var(--down-bg);
}
.badge-flat {
  color: var(--muted);
}

/* ── 主体双栏建筑网格 (Editorial Two-Column Grid) ── */
.editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 23.5rem; /* 主阅读栏 + 376px 侧栏 */
  grid-template-areas: "main side";
  align-items: stretch;
  flex: 1;
}

@media (max-width: 980px) {
  .editorial-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "main"
      "side";
  }
}

.col-main {
  grid-area: main;
  min-inline-size: 0;
  background-color: var(--sheet);
  padding: 2.75rem 3.25rem 4rem;
  border-inline-end: 1px solid var(--rule);
}

@media (max-width: 980px) {
  .col-main {
    padding: 1.75rem 1.25rem 2.5rem;
    border-inline-end: 0;
    border-block-end: 1px solid var(--rule);
  }
}

.col-side {
  grid-area: side;
  min-inline-size: 0;
  background-color: var(--paper);
}

.side-rail {
  position: sticky;
  inset-block-start: 3.3rem;
  display: flex;
  flex-direction: column;
}

/* ── 正文报纸版心 (Brief Sheet & Typography) ── */
.brief-sheet {
  max-inline-size: 74ch;
}

.banner {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  background-color: var(--subtle);
  border-inline-start: 2px solid var(--ink);
  padding: 0.55rem 0.85rem;
  margin: 0 0 1.5rem;
}

.dateline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-block-end: 0.75rem;
}

.dateline .sep {
  color: var(--faint);
}

.verified-tag {
  color: var(--up);
  font-weight: 600;
}

.brief-title {
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 1.25rem + 1.1vw, 2.15rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 1.5rem;
  padding-block-end: 1.25rem;
  border-block-end: 1px solid var(--rule-strong);
  text-wrap: balance;
}
.brief-title a {
  text-decoration: none;
  color: inherit;
}

/* 编者点评：极简上下细线引文框 */
.comment {
  margin: 1.5rem 0 2.25rem;
  padding: 1.1rem 1.25rem;
  background-color: var(--paper);
  border-block: 1px solid var(--rule);
  border-inline-start: 2px solid var(--ink);
}
.comment-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin-block-end: 0.35rem;
}
.comment p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--body);
  text-wrap: pretty;
}

/* 正文排版 */
.prose {
  max-inline-size: 74ch;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--body);
}

.prose p, .prose li, .prose blockquote {
  text-wrap: pretty;
}

.prose h2 {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--ink);
  margin: 2.5rem 0 1rem;
  padding-block-top: 1.25rem;
  border-block-start: 1px solid var(--rule);
  line-height: 1.35;
  text-wrap: balance;
}

.prose h2:first-child {
  margin-block-start: 0.5rem;
}

.prose h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  margin: 1.5rem 0 0.5rem;
  text-wrap: balance;
}

.prose ul, .prose ol {
  padding-inline-start: 1.25rem;
  margin: 0 0 1.25rem;
}

.prose li {
  margin-block-end: 0.7rem;
  padding-inline-start: 0.25rem;
}

.prose strong {
  color: var(--ink);
  font-weight: 600;
}

.prose a {
  font-size: 0.92em;
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--rule);
}
.prose a:hover {
  color: var(--ink);
  text-decoration-color: var(--ink);
}

.prose hr {
  border: 0;
  border-block-start: 1px solid var(--rule);
  margin: 2.25rem 0;
}

.prose table {
  border-collapse: collapse;
  inline-size: 100%;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.prose th, .prose td {
  border: 1px solid var(--rule);
  padding: 0.5rem 0.75rem;
  text-align: start;
}
.prose th {
  background-color: var(--paper);
  font-weight: 600;
  text-wrap: balance;
}

/* ── 右侧建筑规格栏模块 (Side Rail Blocks) ── */
.side-block {
  padding: 1.6rem 1.75rem;
  border-block-end: 1px solid var(--rule);
}

.block-head {
  margin-block-end: 0.9rem;
}

.block-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-block-end: 0.2rem;
}

.block-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  line-height: 1.35;
}

/* 目录导航 (Numbered Index TOC) */
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.toc-list li {
  border-block-start: 1px solid var(--rule);
}
.toc-list li:first-child {
  border-block-start: 0;
}
.toc-list a {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding-block: 0.45rem;
  font-size: 0.875rem;
  color: var(--body);
  text-decoration: none;
}
.toc-list a:hover {
  color: var(--ink);
}
.toc-list a:hover .toc-text {
  text-decoration: underline;
}
.toc-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--faint);
  flex-shrink: 0;
}

/* 订阅表单：极简底线输入 + 墨黑按钮 */
.sub-desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 1rem;
  line-height: 1.6;
}

.subscribe label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-block-end: 0.15rem;
}

.hint-above {
  display: block;
  font-size: 0.75rem;
  color: var(--faint);
  margin-block-end: 0.45rem;
}

.subscribe .row {
  display: flex;
  gap: 0;
  border: 1px solid var(--ink);
  background-color: var(--sheet);
}

.subscribe input[type="email"] {
  flex: 1 1 10rem;
  min-inline-size: 0;
  font: inherit;
  font-size: 0.875rem;
  padding: 0.55rem 0.75rem;
  border: 0;
  background: transparent;
  color: var(--ink);
}
.subscribe input[type="email"]:focus {
  outline: none;
  background-color: #fffef9;
}
.subscribe input[type="email"]:user-invalid,
.subscribe input[type="email"].user-invalid-fallback {
  background-color: var(--down-bg);
}
.subscribe input[type="email"]:user-valid,
.subscribe input[type="email"].user-valid-fallback {
  background-color: var(--up-bg);
}

.error-msg {
  display: none;
  color: var(--down);
  font-size: 0.78rem;
  margin: 0.4rem 0 0;
}
.field:has(input:user-invalid) .error-msg,
.field:has(input.user-invalid-fallback) .error-msg {
  display: block;
}

button, .button-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.55rem 1rem;
  border: 0;
  background-color: var(--ink);
  color: var(--paper);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}
button:hover, .button-link:hover {
  background-color: #33322e;
  color: var(--paper);
  text-decoration: none;
}
button:disabled {
  opacity: 0.5;
  cursor: progress;
}
button:focus-visible, input:focus-visible, a:focus-visible {
  outline: 1.5px solid var(--ink);
  outline-offset: 2px;
}

.status {
  min-block-size: 1.25em;
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
}
.status.ok { color: var(--up); }
.status.err { color: var(--down); }

.hint {
  color: var(--muted);
  font-size: 0.75rem;
  margin: 0.5rem 0 0;
  line-height: 1.55;
}

.hp {
  position: absolute;
  inset-inline-start: -10000px;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
}

/* ── 创作者规格表 (Curator Spec Table: WHO / WORK / VALUE / CONTACT) ── */
.spec-list {
  margin: 0;
}
.spec-row {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.75rem;
  padding-block: 0.6rem;
  border-block-start: 1px solid var(--rule);
  font-size: 0.825rem;
  line-height: 1.6;
}
.spec-row:first-child {
  border-block-start: 0;
  padding-block-start: 0.2rem;
}
.spec-row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
}
.spec-row dd {
  margin: 0;
  color: var(--body);
}
.mono-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink);
}

/* ── 往期归档列表 (Archive Chronology) ── */
.archive-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.archive-list li {
  border-block-start: 1px solid var(--rule);
}
.archive-list li:first-child {
  border-block-start: 0;
}
.archive-list a {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-block: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}
.archive-list a:hover span {
  text-decoration: underline;
}
.archive-list time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.more-link {
  margin: 0.75rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* ── 归档页按月分组与检索 (Detailed Archive & Search) ── */
.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.archive-Controls {
  margin-block-end: 1.75rem;
}
.archive-search {
  inline-size: 100%;
  font: inherit;
  font-size: 0.9rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--ink);
  background-color: var(--paper);
  color: var(--ink);
}
.archive-search:focus {
  outline: none;
  background-color: var(--sheet);
}
.archive-month {
  margin-block-end: 2.25rem;
}
.archive-month-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  padding-block-end: 0.45rem;
  border-block-end: 1px solid var(--ink);
  margin: 0 0 0.5rem;
}
.archive-month-title span {
  color: var(--muted);
  font-weight: 400;
}
.archive-detailed-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.archive-entry {
  border-block-end: 1px solid var(--rule);
}
.archive-entry a {
  display: block;
  padding-block: 0.9rem;
  text-decoration: none;
  color: var(--body);
}
.archive-entry a:hover .archive-entry-title {
  text-decoration: underline;
}
.archive-entry-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem;
  margin-block-end: 0.25rem;
}
.archive-entry-top time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.archive-entry-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
}
.archive-entry-sum {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
}

/* 打赏框 */
.tip-items {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-block-start: 0.75rem;
}
.tip figure {
  margin: 0;
}
.tip img {
  display: block;
  inline-size: 7.5rem;
  block-size: 7.5rem;
  object-fit: contain;
  border: 1px solid var(--rule);
  background: #fff;
  padding: 0.25rem;
}
.tip figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-block-start: 0.25rem;
}

/* 翻页与状态盒 */
.pager {
  display: flex;
  justify-content: space-between;
  margin-block-start: 2.5rem;
  padding-block-top: 1.25rem;
  border-block-start: 1px solid var(--rule-strong);
  font-family: var(--font-mono);
  font-size: 0.825rem;
}
.other-lang {
  margin-block-start: 2rem;
  font-family: var(--font-mono);
  font-size: 0.825rem;
}
.status-box {
  max-inline-size: 32rem;
  margin: 4rem auto;
  padding: 2rem;
  border: 1px solid var(--rule-strong);
  background-color: var(--sheet);
}

/* ── 页脚 (Architectural Colophon Footer) ── */
.site-footer {
  border-block-start: 1px solid var(--rule-strong);
  background-color: var(--paper);
  font-size: 0.8rem;
  color: var(--muted);
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-disclaimer {
  padding: 1.75rem 2rem;
  border-inline-end: 1px solid var(--rule);
}

.footer-meta {
  padding: 1.75rem 2rem;
}

.footer-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ink);
  font-weight: 600;
  margin: 0 0 0.4rem !important;
}

.site-footer p {
  margin: 0 0 0.4rem;
  line-height: 1.65;
}