/* ==========================================================================
   黑料网吃瓜 · 整站样式表
   法律专业风：衬线标题、无衬线正文、沉稳配色、规则分隔
   ========================================================================== */

/* ==========================================================================
   Base — 基础重置与全局变量
   ========================================================================== */

:root {
  --color-primary: #2c3e50;
  --color-secondary: #34495e;
  --color-light: #ecf0f1;
  --color-accent: #c0392b;
  --color-white: #ffffff;
  --color-text: #2c3e50;
  --color-text-light: #5d6d7e;
  --color-border: #d5dbdb;
  --color-bg: #f8f9fa;
  --color-bg-deep: #1a252f;

  --font-serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --font-sans: Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;

  --container-width: 1200px;
  --container-padding: 24px;
  --radius-sm: 4px;
  --radius-md: 8px;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;

  --font-size-base: 16px;
  --line-height-base: 1.6;

  --breakpoint-mobile: 768px;
}

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

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
}

/* ==========================================================================
   Layout — 全站布局骨架
   ========================================================================== */

.site-header {
  background-color: var(--color-primary);
  border-bottom: 3px solid var(--color-accent);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.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: 72px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  padding: 8px 0;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 1px;
}

.brand-slogan {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

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

.site-nav {
  display: flex;
  align-items: center;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  gap: 5px;
}

.nav-toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 1px;
}

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

.nav-list li a {
  display: block;
  padding: 10px 18px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

.nav-list li a.is-current {
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
}

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

.site-footer {
  background-color: var(--color-bg-deep);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--space-xl);
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--container-padding);
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--space-lg);
}

.footer-brand {
  padding-right: var(--space-md);
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
}

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

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-sm) var(--container-padding);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  max-width: var(--container-width);
  margin: 0 auto;
}

/* ==========================================================================
   Components — 通用组件
   ========================================================================== */

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

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

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

.breadcrumb-sep {
  color: var(--color-border);
}

.breadcrumb-current {
  color: var(--color-primary);
  font-weight: 700;
}

/* 页面标题区 */
.page-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-primary);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

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

/* 区块标题 */
.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: 14px;
}

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

.section-intro {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  max-width: 760px;
  line-height: 1.7;
}

/* 侧边栏通用 */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.sidebar-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.sidebar-block {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.sidebar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-accent);
}

.sidebar-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  line-height: 1.5;
}

.sidebar-list li:last-child {
  border-bottom: none;
}

.sidebar-list li a {
  color: var(--color-text);
  display: block;
  transition: color 0.2s ease;
}

.sidebar-list li a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   Pages — 首页
   ========================================================================== */

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

/* Hero 首屏 */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.hero-text h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.hero-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  max-width: 520px;
}

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

.hero-cta a {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.hero-cta a:first-child {
  background-color: var(--color-accent);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
}

.hero-cta a:first-child:hover {
  background-color: #a93226;
  border-color: #a93226;
}

.hero-cta a:last-child {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.hero-cta a:last-child:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.hero-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.hero-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

/* 频道导航带 */
.channels-band {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.channels-band h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: 14px;
}

.channels-band h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background-color: var(--color-accent);
}

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

.channel-tags li a {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 14px;
  color: var(--color-primary);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.channel-tags li a:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* 最新资讯 */
.latest-news {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.latest-news h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  position: relative;
  padding-left: 14px;
}

.latest-news h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background-color: var(--color-accent);
}

.news-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.news-list li:last-child {
  border-bottom: none;
}

.news-item article h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}

.news-item article h3 a {
  color: var(--color-primary);
  transition: color 0.2s ease;
}

.news-item article h3 a:hover {
  color: var(--color-accent);
}

.news-excerpt {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 6px;
  max-width: 720px;
}

.news-item time {
  font-size: 13px;
  color: var(--color-text-light);
  font-style: italic;
}

/* 专题推荐 */
.topics-recommend {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.topics-recommend h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  position: relative;
  padding-left: 14px;
}

.topics-recommend h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background-color: var(--color-accent);
}

.topic-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.topic-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.topic-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.topic-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.topic-card h3 {
  font-size: 18px;
  font-weight: 700;
  padding: var(--space-sm) var(--space-sm) 4px;
  line-height: 1.4;
}

.topic-card h3 a {
  color: var(--color-primary);
}

.topic-card h3 a:hover {
  color: var(--color-accent);
}

.topic-card p {
  font-size: 14px;
  color: var(--color-text-light);
  padding: 0 var(--space-sm) var(--space-sm);
  line-height: 1.6;
}

/* 编辑推荐 */
.editorial-picks {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.editorial-picks h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  position: relative;
  padding-left: 14px;
}

.editorial-picks h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background-color: var(--color-accent);
}

.editorial-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.editorial-list li:last-child {
  border-bottom: none;
}

.editorial-item article h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}

.editorial-item article h3 a {
  color: var(--color-primary);
}

.editorial-item article h3 a:hover {
  color: var(--color-accent);
}

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

/* 信息来源与反馈 */
.source-feedback {
  padding: var(--space-lg) 0;
}

.source-feedback h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: 14px;
}

.source-feedback h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background-color: var(--color-accent);
}

.source-feedback p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 800px;
  margin-bottom: var(--space-xs);
}

/* ==========================================================================
   Pages — 内页通用布局
   ========================================================================== */

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

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

.layout-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--container-padding);
}

.page-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--container-padding);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-lg);
  align-items: start;
}

.page-layout .main-content {
  min-width: 0;
}

/* 侧栏在前时 */
.sidebar-left .page-layout {
  grid-template-columns: 320px minmax(0, 1fr);
}

.sidebar-left .page-layout .sidebar {
  order: -1;
}

/* 文章正文排版 */
.main-content {
  min-width: 0;
  font-size: 15px;
  line-height: 1.8;
}

.main-content p {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.main-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--space-lg) 0 var(--space-sm);
  position: relative;
  padding-left: 14px;
}

.main-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background-color: var(--color-accent);
}

.main-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--space-md) 0 var(--space-xs);
}

/* ==========================================================================
   Pages — 频道分类页
   ========================================================================== */

.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.channel-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.channel-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.channel-media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.channel-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  padding: var(--space-sm) var(--space-sm) 4px;
}

.channel-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  padding: 0 var(--space-sm) var(--space-sm);
}

.channel-intro-section {
  margin-bottom: var(--space-lg);
}

.intro-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.intro-item {
  padding: var(--space-sm);
  background-color: var(--color-bg);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.intro-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.intro-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* 相关推荐 */
.related-links {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.related-links h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.related-links p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.related-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.related-list li a {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-primary);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.related-list li a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ==========================================================================
   Pages — 内容专题页
   ========================================================================== */

.topic-grid-section {
  margin-bottom: var(--space-lg);
}

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

.topic-grid .topic-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.topic-grid .topic-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.topic-media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

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

.topic-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}

.topic-card-body h3 a {
  color: var(--color-primary);
}

.topic-card-body h3 a:hover {
  color: var(--color-accent);
}

.topic-card-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}

.topic-card-body a {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
}

.topic-card-body a:hover {
  text-decoration: underline;
}

/* 专题介绍区 */
.topic-intro-section {
  margin-bottom: var(--space-lg);
}

.topic-intro-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.topic-intro-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

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

.topic-intro-aside h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-accent);
}

.topic-intro-aside ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-light);
}

.topic-intro-aside ul li:last-child {
  border-bottom: none;
}

/* ==========================================================================
   Pages — 深度解读页
   ========================================================================== */

.insight-list {
  margin-bottom: var(--space-lg);
}

.insight-card {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.insight-card:last-child {
  border-bottom: none;
}

.insight-media img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.insight-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

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

.insight-body h3 a:hover {
  color: var(--color-accent);
}

.insight-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 分析方法 */
.analysis-method {
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.analysis-method > p {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.method-steps {
  margin: var(--space-sm) 0;
}

.method-steps li {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.method-steps li:last-child {
  border-bottom: none;
}

.method-steps li h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

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

.analysis-method > p:last-child {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.analysis-method > p a {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  transition: background-color 0.2s ease;
}

.analysis-method > p a:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* ==========================================================================
   Pages — 实用指南页
   ========================================================================== */

.guide-list {
  margin-bottom: var(--space-lg);
}

.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.guide-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.guide-item {
  padding: var(--space-sm);
  background-color: var(--color-bg);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
}

.guide-steps {
  margin-bottom: var(--space-lg);
}

.step-list {
  margin: var(--space-sm) 0 var(--space-md);
}

.step-item {
  padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.step-item::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
}

.step-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

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

.guide-media {
  margin: var(--space-md) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.guide-media .content-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.guide-media figcaption {
  font-size: 13px;
  color: var(--color-text-light);
  text-align: center;
  padding: var(--space-xs);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.step-note {
  font-size: 14px;
  color: var(--color-text-light);
  margin-top: var(--space-sm);
}

.step-note a {
  color: var(--color-accent);
  font-weight: 700;
}

.step-note a:hover {
  text-decoration: underline;
}

/* 安全提示 */
.safety-tips {
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.safety-tips > p {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.safety-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.safety-list li {
  padding: 10px var(--space-sm);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
}

/* 快速提示 */
.quick-tips {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.quick-tips h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-accent);
}

.tips-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.tips-list li:last-child {
  border-bottom: none;
}

/* ==========================================================================
   Pages — 404 错误页
   ========================================================================== */

.site-error {
  background-color: var(--color-bg);
}

.error-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--container-padding);
  flex: 1 0 auto;
}

.error-panel {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.error-code {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.error-panel h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.error-desc {
  font-size: 15px;
  color: var(--color-text-light);
  max-width: 520px;
  margin: 0 auto var(--space-md);
  line-height: 1.7;
}

.error-home-link {
  display: inline-block;
  padding: 12px 32px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  transition: background-color 0.2s ease;
}

.error-home-link:hover {
  background-color: #a93226;
  color: var(--color-white);
}

.error-suggest {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.error-suggest h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  text-align: center;
}

.error-suggest ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  max-width: 640px;
  margin: 0 auto;
}

.error-suggest ul li a {
  display: block;
  padding: 12px 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.error-suggest ul li a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ==========================================================================
   Responsive — 响应式
   ========================================================================== */

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

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: var(--space-md);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
    --space-lg: 28px;
    --space-xl: 40px;
  }

  /* 页头 */
  .header-inner {
    min-height: 60px;
    flex-wrap: wrap;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .brand-name {
    font-size: 20px;
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--color-primary);
    padding: var(--space-xs) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    gap: 0;
  }

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

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

  .nav-list li a {
    padding: 12px 16px;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-list li a.is-current {
    background-color: transparent;
    color: var(--color-accent);
    font-weight: 700;
  }

  /* 首页 */
  .hero-section {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
  }

  .hero-text h1 {
    font-size: 28px;
  }

  .hero-figure img {
    height: 200px;
  }

  .hero-cta a {
    padding: 10px 20px;
    font-size: 14px;
  }

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

  .channel-tags {
    gap: 6px;
  }

  .channel-tags li a {
    padding: 6px 14px;
    font-size: 13px;
  }

  /* 内页布局 */
  .page-layout {
    grid-template-columns: 1fr;
    padding: var(--space-md) var(--container-padding);
  }

  .page-layout .sidebar,
  .page-layout .sidebar-area {
    order: 2;
    margin-top: var(--space-md);
  }

  .sidebar-left .page-layout .sidebar {
    order: 0;
  }

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

  /* 频道页 */
  .channel-grid {
    grid-template-columns: 1fr;
  }

  .channel-media img {
    height: 140px;
  }

  .intro-list {
    gap: var(--space-xs);
  }

  /* 专题页 */
  .topic-grid {
    grid-template-columns: 1fr;
  }

  .topic-intro-content {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* 深度解读 */
  .insight-card {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .insight-media img {
    height: 160px;
  }

  .analysis-method > p:last-child {
    flex-direction: column;
  }

  .analysis-method > p a {
    text-align: center;
  }

  /* 指南页 */
  .step-item {
    padding-left: var(--space-sm);
  }

  .step-item::before {
    position: static;
    display: block;
    margin-bottom: 4px;
  }

  .guide-media .content-image {
    height: 180px;
  }

  .safety-list {
    gap: 6px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: var(--space-md) var(--container-padding);
  }

  .footer-brand {
    padding-right: 0;
  }

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

  /* 404 */
  .error-code {
    font-size: 56px;
  }

  .error-panel h1 {
    font-size: 24px;
  }

  .error-suggest ul {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .brand-slogan {
    display: none;
  }

  .hero-text h1 {
    font-size: 24px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta a {
    width: 100%;
  }

  .news-item article h3 {
    font-size: 16px;
  }

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

  .footer-col {
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer-col:last-child {
    border-bottom: none;
  }

  .topic-card-body h3 {
    font-size: 16px;
  }

  .insight-body h3 {
    font-size: 16px;
  }

  .error-panel {
    padding: var(--space-lg) var(--space-sm);
  }

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

/* ==========================================================================
   Utilities & Motion — 动效增强（不影响初始可见性）
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 焦点可见性 */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* 打印样式 */
@media print {
  .site-header,
  .site-footer,
  .sidebar,
  .sidebar-area,
  .nav-toggle {
    display: none !important;
  }

  .page-layout {
    display: block;
  }

  body {
    background-color: var(--color-white);
  }

  .main-content,
  .page-layout {
    padding: 0;
    max-width: 100%;
  }
}