/* ============================================================
   BASE
   ============================================================ */
:root {
  --color-primary: #2e5d3a;
  --color-primary-dark: #234a2d;
  --color-primary-light: #3d7a4d;
  --color-accent: #b8a06a;
  --color-accent-light: #d4c49a;
  --color-bg: #f5f0e6;
  --color-bg-light: #faf7f0;
  --color-surface: #ffffff;
  --color-text: #3a3a3a;
  --color-text-light: #6b6b6b;
  --color-text-muted: #8a8a8a;
  --color-border: #e0d8c8;
  --color-border-light: #ece5d8;
  --color-hero-overlay: rgba(46, 93, 58, 0.72);
  --color-yellow: #f2e8c9;
  --color-yellow-dark: #e4d5a8;

  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  --font-serif: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;

  --container-width: 1200px;
  --container-padding: 24px;
  --header-height: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --radius-pill: 999px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 80px;

  --shadow-sm: 0 1px 3px rgba(58, 58, 58, 0.08);
  --shadow-md: 0 4px 12px rgba(58, 58, 58, 0.08);
  --shadow-lg: 0 8px 24px rgba(58, 58, 58, 0.1);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 20px;
}

p {
  margin-bottom: var(--space-2);
}

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

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

.site-inner {
  width: 100%;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 3px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-3);
}

.brand-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.brand-slogan {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-list li {
  position: relative;
}

.nav-list a {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-list a:hover {
  color: var(--color-primary);
  background-color: rgba(46, 93, 58, 0.06);
}

.nav-list a.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: rgba(46, 93, 58, 0.1);
}

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

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  margin-top: var(--space-6);
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) var(--space-3);
}

.footer-brand {
  margin-bottom: var(--space-4);
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-1);
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  max-width: 420px;
  margin-bottom: 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-col-title {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: var(--space-2);
}

.footer-col ul li {
  margin-bottom: var(--space-1);
}

.footer-col ul a {
  display: inline-block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  padding: 4px 0;
}

.footer-col ul a:hover {
  color: var(--color-accent-light);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-3);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom p {
  margin-bottom: 0;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-2) var(--container-padding) 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

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

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

.breadcrumb-sep {
  margin: 0 8px;
  color: var(--color-border);
}

.breadcrumb-current {
  color: var(--color-text-light);
}

/* ============================================================
   PAGE HEADER (INNER PAGES)
   ============================================================ */
.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--container-padding) 0;
}

.page-title {
  font-size: 32px;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.page-description {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 760px;
  margin-bottom: 0;
}

/* ============================================================
   SECTION HEADING
   ============================================================ */
.section-heading {
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
  position: relative;
  padding-left: 14px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.section-desc {
  font-size: 14px;
  color: var(--color-text-light);
}

/* ============================================================
   COMPONENTS
   ============================================================ */

/* ---------- 首页 Hero ---------- */
.hero-section {
  background-color: var(--color-primary-dark);
  position: relative;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    var(--color-hero-overlay) 0%,
    rgba(46, 93, 58, 0.55) 55%,
    rgba(46, 93, 58, 0.3) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-6) var(--container-padding);
  color: #ffffff;
}

.hero-tag {
  display: inline-block;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 36px;
  color: #ffffff;
  margin-bottom: var(--space-3);
  max-width: 640px;
}

.hero-summary {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  max-width: 620px;
  margin-bottom: var(--space-4);
}

.hero-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hero-cta-links a {
  display: inline-block;
  padding: 11px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.hero-cta-links a:first-child {
  background-color: var(--color-accent);
  color: #ffffff;
}

.hero-cta-links a:first-child:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
}

.hero-cta-links a:last-child {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.hero-cta-links a:last-child:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* ---------- 频道分类导航带 ---------- */
.channel-nav-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) 0;
}

.channel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.channel-tag {
  display: inline-block;
  padding: 9px 24px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.channel-tag:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* ---------- 最新资讯列表 ---------- */
.latest-news-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) 0;
}

.news-list {
  display: grid;
  gap: var(--space-3);
}

.news-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-3);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.news-title {
  font-size: 18px;
  margin-bottom: var(--space-1);
}

.news-title a {
  color: var(--color-text);
}

.news-title a:hover {
  color: var(--color-primary);
}

.news-summary {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-1);
  line-height: 1.6;
}

.news-date {
  font-size: 13px;
  color: var(--color-text-muted);
  display: inline-block;
}

/* ---------- 专题推荐（首页两栏卡片） ---------- */
.topics-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) 0;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.topic-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.topic-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.topic-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-border-light);
}

.topic-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.topic-card:hover .topic-media img {
  transform: scale(1.03);
}

.topic-body {
  padding: var(--space-3);
}

.topic-title {
  font-size: 18px;
  margin-bottom: var(--space-1);
}

.topic-title a {
  color: var(--color-text);
}

.topic-title a:hover {
  color: var(--color-primary);
}

.topic-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ---------- 编辑推荐 ---------- */
.editor-picks-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) 0;
}

.picks-list {
  display: grid;
  gap: var(--space-3);
}

.pick-item {
  display: flex;
  background-color: var(--color-yellow);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.pick-item:hover {
  background-color: var(--color-yellow-dark);
  transform: translateX(4px);
}

.pick-body {
  flex: 1;
}

.pick-title {
  font-size: 17px;
  margin-bottom: var(--space-1);
}

.pick-title a {
  color: var(--color-text);
}

.pick-title a:hover {
  color: var(--color-primary);
}

.pick-reason {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ---------- 来源说明（首页） ---------- */
.source-note-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) 0;
}

.source-note-inner {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.source-note-inner .section-title {
  margin-bottom: var(--space-2);
}

.source-note-text {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.7;
}

.source-note-text a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ---------- 频道网格（channels 页） ---------- */
.channel-grid {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) 0;
}

.channel-grid-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.channel-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.channel-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.channel-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.channel-card-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.channel-card-title {
  font-size: 18px;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.channel-card-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-2);
  flex: 1;
}

.channel-card-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  align-self: flex-start;
  padding: 4px 0;
  border-bottom: 2px solid var(--color-accent);
}

.channel-card-link:hover {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
}

/* ---------- 频道说明（channels 页） ---------- */
.channel-info {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) 0;
}

.channel-info-content {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.channel-info-text {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.channel-info-text:last-child {
  margin-bottom: 0;
}

/* ---------- 专题列表（topics 页） ---------- */
.topic-list {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) 0;
}

.topic-list .topic-card {
  display: flex;
  flex-direction: row;
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.topic-list .topic-media {
  width: 320px;
  aspect-ratio: auto;
  flex-shrink: 0;
}

.topic-list .topic-media img {
  height: 100%;
}

.topic-content {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.topic-content .topic-title {
  font-size: 20px;
  margin-bottom: var(--space-1);
}

.topic-content .topic-title a {
  color: var(--color-text);
}

.topic-content .topic-title a:hover {
  color: var(--color-primary);
}

.topic-excerpt {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-2);
  flex: 1;
}

.topic-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  align-self: flex-start;
  padding: 4px 0;
  border-bottom: 2px solid var(--color-accent);
}

.topic-link:hover {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
}

/* ---------- 专题简介（topics 页） ---------- */
.topic-intro {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--container-padding) 0;
}

.intro-content {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.intro-content p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

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

/* ---------- 来源说明（topics 页） ---------- */
.source-note {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--container-padding) 0;
}

.source-note .section-title,
.source-note .source-note-title {
  font-size: 20px;
  margin-bottom: var(--space-2);
}

.source-note p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: 0;
}

/* ---------- 实用指南（guides 页） ---------- */
.guide-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--container-padding) 0;
}

.guide-heading {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-1);
  border-bottom: 2px solid var(--color-border-light);
}

.guide-intro {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.content-media {
  margin-bottom: var(--space-3);
}

.content-media-inline {
  max-width: 720px;
}

.content-media-inline img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.content-media-inline figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: var(--space-1) 0;
  text-align: center;
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.guide-step {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: box-shadow var(--transition-fast);
}

.guide-step:hover {
  box-shadow: var(--shadow-md);
}

.guide-step-title {
  font-size: 17px;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
  position: relative;
  padding-left: 28px;
}

.guide-step-title::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.guide-step p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 指南功能说明 */
.guide-feature {
  margin-top: var(--space-3);
}

.guide-feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.guide-feature-title {
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.guide-feature-list p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 指南相关链接 */
.guide-links {
  padding-bottom: var(--space-5);
}

.guide-links .guide-heading {
  margin-bottom: var(--space-2);
}

.guide-links p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.guide-links a {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 500;
  margin-right: var(--space-2);
  padding: 2px 0;
}

.guide-links a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ---------- 深度解读（analysis 页） ---------- */
.article-list-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) 0;
}

.article-list-section .section-desc {
  margin-bottom: var(--space-4);
}

.article-item {
  display: flex;
  gap: var(--space-3);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.article-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.article-media {
  width: 260px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.article-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.article-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-body h3 {
  font-size: 19px;
  margin-bottom: var(--space-1);
}

.article-body h3 a {
  color: var(--color-text);
}

.article-body h3 a:hover {
  color: var(--color-primary);
}

.article-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.article-body > p:not(.article-meta) {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-2);
  flex: 1;
}

.read-more {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  align-self: flex-start;
  padding: 4px 0;
  border-bottom: 2px solid var(--color-accent);
}

.read-more:hover {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
}

/* ---------- 分析角度（analysis 页） ---------- */
.analysis-perspective {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) var(--space-6);
}

.analysis-perspective .section-desc {
  margin-bottom: var(--space-4);
}

.perspective-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.perspective-item {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.perspective-item h3 {
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.perspective-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

.perspective-note {
  margin-top: var(--space-3);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- 404 页 ---------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--container-padding);
  flex: 1;
}

.error-content {
  text-align: center;
  max-width: 560px;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 96px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: var(--space-2);
}

.error-title {
  font-size: 24px;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.error-desc {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.error-back-btn {
  display: inline-block;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  padding: 11px 32px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.error-back-btn:hover {
  background-color: var(--color-primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
}

.error-help {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  margin-bottom: 0;
}

.error-help a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ---------- 平板（≤ 992px） ---------- */
@media (max-width: 992px) {
  :root {
    --container-padding: 20px;
  }

  .channel-grid-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .perspective-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .topic-list .topic-media {
    width: 240px;
  }

  .article-media {
    width: 200px;
  }
}

/* ---------- 手机（≤ 768px） ---------- */
@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
    --header-height: 60px;
  }

  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 21px;
  }

  h3 {
    font-size: 18px;
  }

  /* 页头 */
  .header-inner {
    min-height: var(--header-height);
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .brand-name {
    font-size: 22px;
  }

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

  /* 汉堡菜单 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    order: 3;
    width: 100%;
    flex-basis: 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) 0;
    border-top: 1px solid var(--color-border-light);
    margin-top: var(--space-2);
  }

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

  .nav-list li {
    width: 100%;
  }

  .nav-list a {
    padding: 14px 12px;
    font-size: 16px;
    border-radius: var(--radius-sm);
  }

  /* 首页 Hero */
  .hero-section {
    position: relative;
  }

  .hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
  }

  .hero-media::after {
    background: linear-gradient(
      180deg,
      rgba(46, 93, 58, 0.85) 0%,
      rgba(46, 93, 58, 0.7) 100%
    );
  }

  .hero-content {
    padding: var(--space-5) var(--container-padding);
    text-align: center;
  }

  .hero-title {
    font-size: 28px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-summary {
    margin-left: auto;
    margin-right: auto;
    font-size: 15px;
  }

  .hero-cta-links {
    justify-content: center;
  }

  .hero-cta-links a {
    padding: 10px 22px;
    font-size: 14px;
  }

  /* 首页模块间距 */
  .channel-nav-section,
  .latest-news-section,
  .topics-section,
  .editor-picks-section,
  .source-note-section {
    padding-top: var(--space-4);
  }

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

  .channel-tags {
    gap: var(--space-1);
  }

  .channel-tag {
    padding: 8px 16px;
    font-size: 14px;
  }

  .news-item {
    padding: var(--space-2);
  }

  .news-title {
    font-size: 17px;
  }

  .pick-item {
    padding: var(--space-2);
  }

  .pick-title {
    font-size: 16px;
  }

  /* 内页 */
  .page-header {
    padding-top: var(--space-3);
  }

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

  .page-description {
    font-size: 15px;
  }

  /* 频道网格 */
  .channel-grid-list {
    grid-template-columns: 1fr;
  }

  /* 专题列表（topics 页） */
  .topic-list .topic-card {
    flex-direction: column;
  }

  .topic-list .topic-media {
    width: 100%;
    aspect-ratio: 16 / 9;
  }

  .topic-content {
    padding: var(--space-2);
  }

  .topic-content .topic-title {
    font-size: 18px;
  }

  /* 指南 */
  .guide-steps {
    grid-template-columns: 1fr;
  }

  .guide-feature-list {
    grid-template-columns: 1fr;
  }

  .guide-step {
    padding: var(--space-2);
  }

  /* 深度解读 */
  .article-item {
    flex-direction: column;
    padding: var(--space-2);
  }

  .article-media {
    width: 100%;
    aspect-ratio: 16 / 9;
  }

  .article-media img {
    aspect-ratio: 16 / 9;
  }

  .article-body h3 {
    font-size: 18px;
  }

  .perspective-list {
    grid-template-columns: 1fr;
  }

  .perspective-item {
    padding: var(--space-2);
  }

  /* 页脚 */
  .footer-inner {
    padding-top: var(--space-4);
    padding-bottom: var(--space-2);
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    padding: var(--space-3) 0;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-1);
  }

  /* 404 */
  .error-code {
    font-size: 72px;
  }

  .error-main {
    padding: var(--space-5) var(--container-padding);
  }
}

/* ---------- 小手机（≤ 480px） ---------- */
@media (max-width: 480px) {
  :root {
    --container-padding: 14px;
  }

  .hero-title {
    font-size: 24px;
  }

  .hero-summary {
    font-size: 14px;
    line-height: 1.7;
  }

  .hero-cta-links {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta-links a {
    width: 100%;
    text-align: center;
  }

  .channel-tag {
    padding: 7px 14px;
    font-size: 13px;
  }

  .topic-grid {
    gap: var(--space-2);
  }

  .channel-grid-list {
    gap: var(--space-2);
  }

  .guide-steps {
    gap: var(--space-2);
  }

  .perspective-list {
    gap: var(--space-2);
  }

  .article-item {
    gap: var(--space-2);
  }

  .footer-col ul a {
    font-size: 14px;
    padding: 6px 0;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .site-header,
  .site-footer,
  .breadcrumb,
  .hero-cta-links,
  .channel-tags,
  .nav-toggle {
    display: none !important;
  }

  body {
    background-color: #ffffff;
    color: #000000;
  }

  .site-main {
    padding: 0;
  }

  .hero-section {
    background-color: #ffffff;
  }

  .hero-content {
    color: #000000;
    padding: var(--space-3) 0;
  }

  .hero-title {
    color: #000000;
  }

  .hero-summary {
    color: #333333;
  }

  .hero-media {
    display: none;
  }

  .topic-card,
  .channel-card,
  .news-item,
  .pick-item,
  .article-item,
  .guide-step,
  .perspective-item {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #dddddd;
  }
}