/* ============================================================
   POST PAGE — 文章页专属（milestone / report / guide）
   依赖 tokens + base + layout + components
   注：header 用 gs-* 命名（与主页 site-* 不同），P1-E 会统一改名
   ============================================================ */

/* 文章页容器宽度（覆盖 tokens.css 的 1320px） */
:root {
  --max-width: 1200px;
}

/* ============ PRINT TABLE ============ */
.print-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.print-table>thead>tr>td,
.print-table>tbody>tr>td,
.print-table>tfoot>tr>td {
  padding: 0;
  border: none;
  vertical-align: top;
  max-width: 0;
  overflow: hidden;
}

.print-header,
.print-footer {
  display: none;
}

/* ============ HEADER（文章页专属 gs-* 版）============ */
.gs-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(12, 20, 139, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.gs-nav-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: var(--header-height);
}

.gs-logo {
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 0.5px;
  color: var(--yellow);
  flex-shrink: 0;
}

.gs-header-title {
  flex: 1;
  text-align: center;
  min-width: 0;
}

.gs-header-h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--yellow);
  line-height: 1.2;
  letter-spacing: -0.3px;
  text-decoration: none;
  transition: color 0.2s;
}

.gs-header-h1:hover {
  color: var(--accent);
}

.gs-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.gs-list-btn {
  display: none;
}

.gs-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: var(--header-btn-height);
  color: var(--muted);
  font-size: 19px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
  flex-shrink: 0;
}

.gs-back:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.gs-back-arrow {
  display: none;
}

.gs-back-text {
  display: inline;
}

/* ============ MAIN ============ */
.gs-main {
  max-width: var(--max-width)
  margin: 0 auto;
  padding: var(--space-8) 24px;
}

/* ============ DOC CONTAINER ============ */
.gs-doc {
  background: var(--doc-bg);
  color: var(--doc-text);
  border-radius: var(--radius);
  padding: 56px 48px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ============ ACTIONS ============ */
.gs-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.gs-actions-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.gs-reads {
  font-size: 16px;
  color: var(--doc-muted);
  letter-spacing: 0.3px;
}

.gs-reads-num {
  font-weight: 700;
  color: var(--doc-accent);
  font-family: "SF Mono", "Consolas", "Monaco", monospace;
}

.gs-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  text-decoration: none;
}

.gs-btn-primary {
  background: var(--doc-accent);
  color: #fff;
  border-color: var(--doc-accent);
}

.gs-btn-primary:hover {
  background: #1d4ed8;
  border-color: #1d4ed8;
}

.gs-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.gs-stars {
  display: inline-flex;
  gap: 2px;
  align-items: center;
}

.gs-star {
  background: transparent;
  border: none;
  color: #d1d5db;
  font-size: 26px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color 0.2s, transform 0.15s;
}

.gs-star:hover,
.gs-star.active {
  color: var(--gold);
  transform: scale(1.1);
}

/* ============ 评分星星：全 / 半 / 部分 / 空 ============ */
.gs-star.full {
  color: var(--gold);
}

.gs-star.half {
  background: linear-gradient(90deg, var(--gold) 50%, #d1d5db 50%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.gs-star.partial {
  background: linear-gradient(90deg, var(--gold) 0%, #d1d5db 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.gs-star.empty {
  color: #d1d5db;
}

/* hover 预览：整组星星全黄 */
.gs-stars:hover .gs-star {
  color: var(--gold);
  background: none;
  -webkit-text-fill-color: inherit;
}

/* 已评分后禁用 hover 预览 */
.gs-stars.voted:hover .gs-star {
  color: inherit;
  background: inherit;
  -webkit-text-fill-color: inherit;
  color: inherit;
}

.gs-stars.voted .gs-star.voted.half {
  background: linear-gradient(90deg, var(--gold) 50%, #d1d5db 50%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.gs-stars.voted .gs-star.voted.partial {
  background: linear-gradient(90deg, var(--gold) 0%, #d1d5db 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.gs-stars.voted .gs-star.voted.full {
  color: var(--gold);
  background: none;
  -webkit-text-fill-color: inherit;
}

.gs-stars.voted .gs-star.voted.empty {
  color: #d1d5db;
  background: none;
  -webkit-text-fill-color: inherit;
}

.gs-rating-avg {
  margin-left: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  font-family: "SF Mono", "Consolas", "Monaco", monospace;
  vertical-align: middle;
}

/* ============ DOC HEADER ============ */
.gs-doc-header {
  text-align: center;
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-6);
  border-bottom: 3px solid var(--doc-accent);
}

.gs-doc-header h1 {
  font-size: 40px;
  color: var(--doc-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.gs-doc-header .subtitle {
  font-size: 24px;
  color: var(--doc-muted);
  margin-bottom: var(--space-4);
  font-weight: 400;
}

.doc-version {
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  color: var(--doc-muted);
  background: var(--doc-card);
  border: 1px solid var(--doc-border);
  padding: 2px 10px;
  border-radius: 20px;
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0.5px;
  font-family: "SF Mono", "Consolas", "Monaco", monospace;
}

.gs-meta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 16px;
  color: var(--doc-muted);
  background: var(--doc-card);
  padding: 8px 20px;
  border-radius: 40px;
  border: 1px solid var(--doc-border);
  flex-wrap: wrap;
  justify-content: center;
}

.gs-meta .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--doc-accent);
}

.gs-author {
  color: var(--doc-accent);
  font-weight: 600;
  text-decoration: none;
}

.gs-author:hover {
  text-decoration: underline;
}

/* ============ 2-COL GRID ============ */
.gs-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.gs-col {
  background: var(--doc-card);
  border: 1px solid var(--doc-border);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
}

.gs-col-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--doc-accent);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-5);
  border-bottom: 2px solid var(--doc-accent-soft);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.gs-col-title .icon {
  font-size: 26px;
}

.gs-col-title .zh {
  font-size: 16px;
  color: var(--doc-muted);
  font-weight: 400;
  margin-left: auto;
}

.gs-group {
  margin-bottom: var(--space-5);
}

.gs-group:last-child {
  margin-bottom: 0;
}

.gs-group-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--doc-text);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.gs-group-title .icon {
  font-size: 20px;
}

.gs-list {
  list-style: none;
  padding-left: 4px;
}

.gs-list li {
  font-size: 17px;
  color: var(--doc-text);
  padding: 7px 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: 1.6;
}

.gs-list li .check {
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
  width: 20px;
  font-size: 18px;
}

.gs-list li .check-x {
  color: var(--warn);
  font-weight: 700;
  flex-shrink: 0;
  width: 20px;
  font-size: 18px;
}

/* ============ COMPARE TABLE ============ */
.gs-compare {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-bottom: var(--space-6);
  border: 1px solid var(--doc-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.gs-compare thead th {
  background: var(--doc-accent);
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  padding: var(--space-4) var(--space-5);
  text-align: left;
}

.gs-compare thead th:first-child {
  background: #9ca3af;
}

.gs-compare tbody tr:nth-child(odd) {
  background: var(--doc-card);
}

.gs-compare tbody tr:nth-child(even) {
  background: #fff;
}

.gs-compare td {
  padding: var(--space-4) var(--space-5);
  font-size: 17px;
  border-bottom: 1px solid var(--doc-border);
  vertical-align: top;
}

.gs-compare tbody tr:last-child td {
  border-bottom: none;
}

.gs-compare td .before {
  color: var(--doc-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.gs-compare td .after {
  color: var(--doc-text);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.gs-compare td .check-x {
  color: var(--warn);
  font-weight: 700;
  font-size: 18px;
}

.gs-compare td .check {
  color: var(--success);
  font-weight: 700;
  font-size: 18px;
}

/* ============ ISSUES TABLE ============ */
.gs-issues {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-bottom: var(--space-6);
  border: 1px solid var(--doc-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.gs-issues thead th {
  background: #4b5568;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: var(--space-3) var(--space-4);
  text-align: left;
}

.gs-issues tbody tr:nth-child(odd) {
  background: var(--doc-card);
}

.gs-issues tbody tr:nth-child(even) {
  background: #fff;
}

.gs-issues td {
  padding: var(--space-3) var(--space-4);
  font-size: 16px;
  border-bottom: 1px solid var(--doc-border);
  vertical-align: top;
}

.gs-issues tbody tr:last-child td {
  border-bottom: none;
}

/* ============ STEPS ============ */
.gs-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.gs-step-card {
  background: var(--doc-card);
  border: 1px solid var(--doc-border);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  border-top: 4px solid var(--doc-accent);
}

.gs-step-card.long-term {
  border-top-color: var(--gold);
}

.gs-step-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--doc-text);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.gs-step-title .icon {
  font-size: 24px;
}

/* ============ SECTIONS ============ */
.gs-section {
  margin-bottom: var(--space-7);
}

.gs-section:last-child {
  margin-bottom: 0;
}

.gs-h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--doc-text);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--doc-accent-soft);
}

.gs-h2-zh {
  font-size: 18px;
  color: var(--doc-muted);
  font-weight: 400;
  margin-bottom: var(--space-5);
}

.gs-h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--doc-accent);
  margin-top: var(--space-5);
  margin-bottom: var(--space-3);
}

.gs-p {
  font-size: 17px;
  color: var(--doc-text);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.gs-doc-list {
  list-style: none;
  padding-left: 4px;
  margin-bottom: var(--space-4);
}

.gs-doc-list li {
  font-size: 17px;
  color: var(--doc-text);
  padding: 5px 0 5px 24px;
  position: relative;
  line-height: 1.6;
}

.gs-doc-list li::before {
  content: "▸";
  position: absolute;
  left: 4px;
  color: var(--doc-accent);
  font-weight: 700;
}

.gs-doc-list.gs-doc-list-num {
  list-style: decimal;
  padding-left: 24px;
}

.gs-doc-list.gs-doc-list-num li {
  padding-left: 0;
  display: list-item;
}

.gs-doc-list.gs-doc-list-num li::before {
  content: none;
}

/* ============ DATA TABLE ============ */
.gs-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-bottom: var(--space-5);
  border: 1px solid var(--doc-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 16px;
}

.gs-table thead th {
  background: var(--doc-accent);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
}

.gs-table tbody tr:nth-child(odd) {
  background: var(--doc-card);
}

.gs-table tbody tr:nth-child(even) {
  background: #fff;
}

.gs-table td {
  padding: 10px 16px;
  font-size: 16px;
  border-bottom: 1px solid var(--doc-border);
  vertical-align: top;
}

.gs-table tbody tr:last-child td {
  border-bottom: none;
}

.gs-table code {
  background: #f3f4f6;
  color: #1f2937;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "SF Mono", "Consolas", "Monaco", monospace;
  font-size: 16px;
}

/* ============ CALLOUT ============ */
.callout {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  border-left: 4px solid;
}

.callout-info {
  background: #eff6ff;
  border-color: #3b82f6;
  color: #1e3a8a;
}

.callout-warn {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #78350f;
}

.callout-success {
  background: #d1fae5;
  border-color: #10b981;
  color: #064e3b;
}

.callout-title {
  font-weight: 700;
  margin-bottom: 6px;
  font-size: 16px;
}

.callout p {
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

/* ============ VERDICT ============ */
.verdict {
  background: var(--doc-card);
  border: 2px solid var(--doc-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  margin: var(--space-5) 0;
  text-align: center;
}

.verdict-label {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--doc-accent);
  margin-bottom: var(--space-2);
}

.verdict-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--doc-text);
  line-height: 1.4;
}

.verdict-sub {
  font-size: 16px;
  color: var(--doc-muted);
  margin-top: var(--space-2);
}

/* ============ CODE ============ */
.gs-code {
  background: #1a1a2e;
  color: #e5e7eb;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  font-family: "SF Mono", "Consolas", "Monaco", "Menlo", monospace;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: auto;
  margin-bottom: var(--space-4);
  white-space: pre;
}

/* ============ CHECKLIST ============ */
.gs-checklist {
  list-style: none;
  padding-left: 0;
}

.gs-part-label {
  display: inline-block;
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--doc-accent);
  background: var(--doc-accent-soft);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: var(--space-3);
}

.gs-checklist li {
  font-size: 17px;
  color: var(--doc-text);
  padding: 8px 0 8px 32px;
  position: relative;
  line-height: 1.6;
  border-bottom: 1px solid var(--doc-border);
}

.gs-checklist li:last-child {
  border-bottom: none;
}

.gs-checklist li::before {
  content: "☐";
  position: absolute;
  left: 6px;
  color: var(--doc-accent);
  font-weight: 700;
  font-size: 18px;
}

/* ============ SWATCHES ============ */
.gs-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.gs-swatch {
  border: 1px solid var(--doc-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.gs-swatch-color {
  height: 60px;
}

.gs-swatch-info {
  padding: 10px 12px;
  background: var(--doc-card);
}

.gs-swatch-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--doc-text);
  font-family: "SF Mono", "Consolas", "Monaco", monospace;
  margin-bottom: 2px;
}

.gs-swatch-value {
  font-size: 16px;
  color: var(--doc-muted);
  font-family: "SF Mono", "Consolas", "Monaco", monospace;
}

/* ============ TOC ============ */
.toc {
  background: var(--doc-card);
  border: 1px solid var(--doc-border);
  border-radius: var(--radius-sm);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-7);
}

.toc-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--doc-accent);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--doc-accent-soft);
}

.toc-parts {
  column-count: 2;
  column-gap: var(--space-7);
}

.toc-part {
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  padding-bottom: var(--space-4);
  margin-bottom: 0;
}

.toc-part:last-child {
  padding-bottom: 0;
}

.toc-part-title {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--doc-muted);
  margin-bottom: var(--space-2);
}

.toc-list {
  list-style: none;
  padding-left: 0;
}

.toc-list li {
  padding: 3px 0;
}

.toc-list a {
  color: var(--doc-text);
  font-size: 16px;
  transition: color 0.2s;
}

.toc-list a:hover {
  color: var(--doc-accent);
  text-decoration: underline;
}

.toc-num {
  color: var(--doc-muted);
  font-family: "SF Mono", "Consolas", "Monaco", monospace;
  margin-right: 6px;
  font-size: 16px;
}

/* ============ FOOTER（文章页 gs-* 版）============ */
.gs-footer {
  text-align: center;
  padding: var(--space-6) 24px;
  color: var(--muted);
  font-size: 22px;
}

.gs-footer .name {
  color: var(--yellow);
  font-weight: 600;
}

/* ============ COLOR SECTIONS ============ */
.gs-color-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6) var(--space-7);
}

.gs-color-section .gs-h3:first-child {
  margin-top: 0;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .gs-main {
    padding: var(--space-5) 16px;
  }

  .gs-doc {
    padding: 32px 20px;
  }

  .gs-grid-2,
  .gs-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .gs-doc-header h1 {
    font-size: 30px;
  }

  .gs-doc-header .subtitle {
    font-size: 20px;
  }

  .gs-compare td,
  .gs-compare thead th {
    padding: 14px 16px;
    font-size: 16px;
  }

  .gs-issues td,
  .gs-issues thead th {
    padding: 10px 12px;
    font-size: 14px;
  }

  .gs-h2 {
    font-size: 22px;
  }

  .gs-h2-zh {
    font-size: 16px;
  }

  .gs-h3 {
    font-size: 18px;
  }

  .gs-table td,
  .gs-table thead th {
    padding: 10px 12px;
    font-size: 16px;
  }

  .verdict-text {
    font-size: 17px;
  }

  .gs-logo {
    font-size: 26px;
  }

  .gs-col-title {
    font-size: 20px;
    flex-wrap: wrap;
  }

  .gs-col-title .zh {
    margin-left: 0;
  }

  .gs-list li {
    font-size: 16px;
  }

  .gs-group-title {
    font-size: 17px;
  }

  .gs-h2 {
    font-size: 22px;
  }

  .gs-h2-zh {
    font-size: 16px;
  }

  .gs-h3 {
    font-size: 18px;
  }

  .gs-table td,
  .gs-table thead th {
    padding: 10px 12px;
    font-size: 14px;
  }

  .toc-parts {
    column-count: 1;
  }

  .gs-color-sections {
    grid-template-columns: 1fr;
  }

  .gs-swatches {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 64px;
  }

  .gs-header-title {
    display: none;
  }

  .gs-list-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: var(--header-btn-height);
    padding: 0 12px;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: background 0.2s, color 0.2s;
    flex-shrink: 0;
    text-decoration: none;
  }

  .gs-list-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--accent);
  }

  .gs-list-icon {
    font-size: 20px;
    line-height: 1;
  }

  .gs-back {
    padding: 0 12px;
    font-size: 18px;
  }

  .gs-back-arrow {
    display: inline;
  }

  .gs-back-text {
    display: none;
  }

  .gs-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
  }

  .gs-btn {
    justify-content: center;
  }

  .gs-actions-right {
    align-items: center;
  }

  .gs-stars {
    justify-content: center;
  }
}