/* ==========================================================================
   Base
   ========================================================================== */
:root {
  --color-primary: #173042;
  --color-accent: #d97706;
  --color-secondary: #0e7490;
  --color-bg: #f5f7fa;
  --color-text: #1f2933;
  --color-muted: #5b6b7a;
  --color-border: #dce3ea;
  --color-white: #ffffff;
  --color-table-head: #eef2f6;
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.3;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 23px;
}

h3 {
  font-size: 17px;
}

p {
  margin-bottom: 1em;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.site-error {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.site-header {
  background-color: var(--color-primary);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.brand-area {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-link {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand-link:hover {
  color: var(--color-white);
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.5px;
}

.brand-tagline {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
}

/* Navigation */
.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-list a:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-list a.is-current {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.16);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 1px;
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Archive strip */
.archive-strip {
  background-color: #1e3a4f;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.archive-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 8px 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.archive-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
}

.archive-link {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.06);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.archive-link:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.14);
}

/* Inner page shell */
.inner-main {
  width: 100%;
}

.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 14px 20px 0;
  font-size: 13px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumb a {
  color: var(--color-muted);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-sep {
  color: #a3b0bc;
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 28px 20px 8px;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.page-description {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 720px;
  line-height: 1.7;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.82);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 44px 20px 30px;
  display: grid;
  grid-template-columns: 1.3fr repeat(4, 1fr);
  gap: 32px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}

.footer-brand-desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
  max-width: 260px;
}

.footer-col-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 14px;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 20px;
  text-align: center;
}

.copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

/* ==========================================================================
   Components
   ========================================================================== */

/* Section titles */
.section-title {
  font-size: 23px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.section-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 720px;
}

.section-intro {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

/* Table scroll wrapper */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
}

.table-scroll table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.table-scroll th,
.table-scroll td {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.6;
}

.table-scroll th {
  background-color: var(--color-table-head);
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}

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

.table-scroll tbody tr:hover {
  background-color: #f8fafc;
}

/* Status tags */
.status-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: 999px;
  font-weight: 500;
  white-space: nowrap;
}

.status-done {
  background-color: #e6f4ea;
  color: #1e7b3c;
}

.status-progress {
  background-color: #fff4e5;
  color: #b45309;
}

.status-archived {
  background-color: #eef1f4;
  color: #5b6b7a;
}

/* Sidebar layouts */
.sidebar-left .page-layout,
.sidebar-left.layout-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 20px 40px;
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.sidebar-left .page-layout .sidebar-panel,
.sidebar-left .page-layout .sidebar,
.sidebar-left.layout-shell .method-sidebar {
  grid-column: 1;
}

.sidebar-left .page-layout .content-panel,
.sidebar-left .page-layout .content-area,
.sidebar-left.layout-shell .method-content {
  grid-column: 2;
  min-width: 0;
}

/* Sidebar panel */
.sidebar-panel,
.sidebar,
.method-sidebar {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.sidebar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-secondary);
}

.sidebar-block {
  margin-bottom: 24px;
}

.sidebar-block:last-child {
  margin-bottom: 0;
}

.archive-list li {
  margin-bottom: 6px;
}

.archive-list a {
  display: block;
  padding: 6px 10px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.archive-list a:hover {
  background-color: #f0f4f8;
  color: var(--color-secondary);
}

.sidebar-note,
.filter-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

.sidebar-note p,
.filter-note p {
  margin-bottom: 0;
}

.sidebar-note a {
  color: var(--color-secondary);
  font-weight: 500;
}

/* Breadcrumb + page-layout on hangye-guancha */
.page-layout.sidebar-left {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 20px 40px;
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

/* ==========================================================================
   Pages
   ========================================================================== */

/* ---------- Home ---------- */

.home-main {
  width: 100%;
}

/* Hero */
.home-hero {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 56px 0 48px;
}

.hero-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step-item {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
}

.step-num {
  display: inline-block;
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 0;
}

.hero-media {
  margin: 0;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}

/* Quarter archive */
.quarter-archive {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 20px 16px;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.archive-card {
  display: block;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.archive-card:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 4px 12px rgba(14, 116, 144, 0.1);
}

.archive-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.archive-card-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

/* Topic FAQ */
.topic-faq-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 16px;
}

.topic-faq-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.topic-sidebar {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: sticky;
  top: 130px;
}

.topic-list li {
  margin-bottom: 4px;
}

.topic-link {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.topic-link:hover {
  background-color: #f0f4f8;
  color: var(--color-secondary);
}

.faq-group {
  margin-bottom: 28px;
}

.faq-group-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-secondary);
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  overflow: hidden;
}

.faq-question {
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: background-color 0.2s ease;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-secondary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question {
  background-color: #f8fafc;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-question:hover {
  background-color: #f8fafc;
}

.faq-answer {
  padding: 0 18px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}

/* Service matrix */
.service-matrix {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 16px;
}

.matrix-table {
  min-width: 640px;
}

.matrix-table td a {
  font-weight: 500;
}

/* Method overview */
.method-overview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 16px;
}

.method-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 32px;
  align-items: start;
}

.method-media {
  margin: 0;
}

.method-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.method-table {
  min-width: 520px;
}

/* Report preview */
.report-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 16px;
}

.report-preview-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 32px;
  align-items: start;
}

.report-cover {
  margin: 0;
}

.report-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.report-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.report-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 16px;
  align-items: start;
}

.report-item-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  grid-column: 1;
}

.report-item-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 0;
  grid-column: 1;
}

.report-item .status-tag {
  grid-column: 2;
  grid-row: 1;
}

.report-link {
  grid-column: 1 / -1;
  font-size: 13px;
  font-weight: 500;
}

/* Cooperation guide */
.cooperation-guide {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 48px;
}

.cooperation-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.coop-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
}

.coop-step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.coop-step-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.cooperation-note {
  font-size: 14px;
  color: var(--color-muted);
  text-align: center;
  margin-bottom: 0;
}

.cooperation-note a {
  margin: 0 6px;
  font-weight: 500;
}

/* Related links */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 20px 40px;
}

.related-links-label {
  font-size: 13px;
  color: var(--color-muted);
  margin-right: 12px;
}

.related-links-item {
  display: inline-block;
  font-size: 14px;
  color: var(--color-secondary);
  margin-right: 16px;
  font-weight: 500;
}

.related-links-item:hover {
  color: var(--color-accent);
}

/* ---------- Hangye Guancha ---------- */

.archive-section {
  margin-bottom: 36px;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.observation-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: border-color 0.2s ease;
}

.observation-item:hover {
  border-color: var(--color-secondary);
}

.item-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.item-excerpt {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

.item-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 13px;
  color: var(--color-muted);
}

.tag-label {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  border-radius: 999px;
  background-color: #eef2f6;
  color: var(--color-primary);
}

.tag-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag-item {
  display: inline-block;
  padding: 5px 14px;
  font-size: 13px;
  border-radius: 999px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tag-item:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.count {
  font-size: 12px;
  color: var(--color-muted);
  margin-left: 4px;
}

.observation-figure {
  margin: 32px 0;
}

.observation-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.observation-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 4px 0;
  text-align: center;
}

.related-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.related-list li a {
  font-size: 14px;
  font-weight: 500;
}

/* ---------- Fenxi Fangfa ---------- */

.method-sidebar {
  position: sticky;
  top: 130px;
}

.anchor-list li {
  margin-bottom: 4px;
}

.anchor-list a {
  display: block;
  padding: 7px 12px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.anchor-list a:hover {
  background-color: #f0f4f8;
  color: var(--color-secondary);
}

.method-content {
  min-width: 0;
}

.stage-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.stage-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.stage-num {
  display: inline-block;
  width: 32px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  border-radius: 50%;
  background-color: var(--color-secondary);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
}

.stage-head h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

.stage-block > p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.action-list {
  list-style: none;
}

.action-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 6px;
}

.action-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.checklist-section,
.quick-terms {
  margin-top: 36px;
}

.term-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.term-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.term-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.term-card p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

.term-card a {
  font-size: 13px;
  font-weight: 500;
}

.quick-terms > a {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
}

.method-figure {
  margin: 32px 0;
}

.method-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.method-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 4px 0;
  text-align: center;
}

.related-links p {
  font-size: 14px;
  color: var(--color-text);
}

.related-links p a {
  margin: 0 8px;
  font-weight: 500;
}

/* ---------- Shuyu Shouce ---------- */

.term-filter,
.term-table-section,
.term-note {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 20px 8px;
}

.filter-tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.filter-tag {
  padding: 7px 18px;
  font-size: 14px;
  border-radius: 999px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-tag:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.filter-tag.is-active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.term-table {
  min-width: 680px;
}

.term-table td:first-child {
  font-weight: 600;
  color: var(--color-primary);
}

.note-content {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.note-content p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.note-content p:last-child {
  margin-bottom: 0;
}

.related-links .entry-card-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.entry-card {
  display: block;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.entry-card:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 4px 12px rgba(14, 116, 144, 0.08);
}

.entry-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.entry-card-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.term-figure {
  max-width: var(--container-width);
  margin: 32px auto 0;
  padding: 0 20px;
}

.term-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.term-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 4px 0;
  text-align: center;
}

/* ---------- Zhuanti Baogao ---------- */

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-chip {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  background-color: #f0f4f8;
  color: var(--color-text);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.filter-chip:hover {
  background-color: #e2eaf0;
  color: var(--color-secondary);
}

.filter-chip.is-active {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 500;
}

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.report-table {
  min-width: 640px;
}

.report-note {
  margin-top: 24px;
}

.report-note p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.report-media {
  max-width: var(--container-width);
  margin: 32px auto 0;
  padding: 0 20px;
}

.report-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.report-media figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 4px 0;
  text-align: center;
}

.related-links .related-list li {
  margin-bottom: 8px;
}

.related-links .related-list li span {
  display: block;
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 2px;
}

/* ---------- Changjian Wenti ---------- */

.faq-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 20px 16px;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: start;
}

.faq-main {
  min-width: 0;
}

.faq-aside {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.faq-figure {
  margin: 0 0 16px;
}

.faq-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.faq-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 4px 0;
  text-align: center;
}

.aside-note {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.7;
}

.aside-note p {
  margin-bottom: 0;
}

.entry-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 20px 48px;
}

.entry-inner {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.entry-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.entry-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.entry-card-title a {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
}

.entry-card-title a:hover {
  color: var(--color-accent);
}

/* ---------- 404 ---------- */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  flex: 1;
}

.error-panel {
  max-width: 640px;
  text-align: center;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-actions {
  margin-bottom: 24px;
}

.error-home-link {
  display: inline-block;
  padding: 10px 28px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  transition: background-color 0.2s ease;
}

.error-home-link:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
}

.error-links a {
  font-size: 14px;
  font-weight: 500;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr repeat(2, 1fr);
    gap: 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-media {
    max-width: 560px;
  }

  .topic-faq-layout {
    grid-template-columns: 1fr;
  }

  .topic-sidebar {
    position: static;
  }

  .topic-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .topic-list li {
    margin-bottom: 0;
  }

  .method-layout,
  .report-preview-layout {
    grid-template-columns: 1fr;
  }

  .method-media,
  .report-cover {
    max-width: 560px;
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-aside {
    order: -1;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 14px;
  }

  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 20px;
  }

  .header-inner {
    min-height: 56px;
    padding: 0 16px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-tagline {
    font-size: 11px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.18);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    padding: 10px 16px 16px;
    gap: 2px;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list a {
    padding: 12px 14px;
    font-size: 15px;
  }

  .archive-inner {
    padding: 8px 16px;
    gap: 6px 10px;
  }

  .archive-link {
    font-size: 12px;
    padding: 4px 8px;
  }

  .breadcrumb {
    padding: 12px 16px 0;
  }

  .page-header {
    padding: 20px 16px 8px;
  }

  .page-title {
    font-size: 26px;
  }

  .page-description {
    font-size: 14px;
  }

  /* Sidebar layouts */
  .sidebar-left .page-layout,
  .sidebar-left.layout-shell,
  .page-layout.sidebar-left {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px 16px 36px;
  }

  .sidebar-left .page-layout .sidebar-panel,
  .sidebar-left .page-layout .sidebar,
  .sidebar-left.layout-shell .method-sidebar {
    grid-column: 1;
    order: 1;
  }

  .sidebar-left .page-layout .content-panel,
  .sidebar-left .page-layout .content-area,
  .sidebar-left.layout-shell .method-content {
    grid-column: 1;
    order: 2;
  }

  .method-sidebar {
    position: static;
  }

  .anchor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
  }

  .anchor-list li {
    margin-bottom: 0;
  }

  .anchor-list a {
    padding: 6px 12px;
    font-size: 13px;
    background-color: #f0f4f8;
    border-radius: 999px;
  }

  /* Home */
  .home-hero {
    padding: 40px 0 36px;
  }

  .hero-content {
    padding: 0 16px;
    gap: 28px;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-subtitle {
    font-size: 15px;
    margin-bottom: 24px;
  }

  .hero-steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .step-item {
    padding: 16px;
  }

  .quarter-archive,
  .topic-faq-section,
  .service-matrix,
  .method-overview,
  .report-preview,
  .cooperation-guide,
  .related-links {
    padding-left: 16px;
    padding-right: 16px;
  }

  .archive-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .archive-card {
    padding: 16px;
  }

  .cooperation-steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .coop-step {
    padding: 18px 16px;
  }

  .report-item {
    grid-template-columns: 1fr;
  }

  .report-item .status-tag {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
  }

  .report-link {
    grid-column: 1;
  }

  /* Inner pages */
  .term-filter,
  .term-table-section,
  .term-note {
    padding-left: 16px;
    padding-right: 16px;
  }

  .filter-tag-group {
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .filter-tag {
    flex-shrink: 0;
    padding: 6px 14px;
    font-size: 13px;
  }

  .term-card-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .related-links .entry-card-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .entry-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .entry-inner {
    padding: 20px 16px;
  }

  .faq-section,
  .entry-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .faq-layout {
    gap: 20px;
  }

  .faq-aside {
    padding: 16px;
  }

  .faq-figure {
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }

  .error-main {
    padding: 48px 16px;
  }

  .error-panel {
    padding: 32px 20px;
  }

  .error-code {
    font-size: 48px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 24px 16px;
    padding: 32px 16px 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    padding: 14px 16px;
  }
}

@media (max-width: 480px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-col {
    padding-bottom: 8px;
  }

  .table-scroll table {
    min-width: 560px;
  }

  .term-table {
    min-width: 560px;
  }

  .matrix-table {
    min-width: 560px;
  }

  .method-table {
    min-width: 480px;
  }

  .report-table {
    min-width: 560px;
  }
}