/* ==========================================================================
   糖豆视频 - 全站样式表
   版本: 1.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Base - 基础变量、重置、字体、通用元素
   -------------------------------------------------------------------------- */
:root {
  --color-primary: #1E3A5F;
  --color-primary-light: #2C5282;
  --color-secondary: #E8F0FE;
  --color-warning: #F59E0B;
  --color-text: #2D3748;
  --color-text-light: #4A5568;
  --color-text-muted: #718096;
  --color-bg: #F8FAFC;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-light: #EDF2F7;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Liberation Mono",
    Menlo, Courier, monospace;

  --container-width: 1200px;
  --container-padding: 24px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(30, 58, 95, 0.06);
  --shadow-md: 0 4px 12px rgba(30, 58, 95, 0.08);
  --shadow-lg: 0 8px 24px rgba(30, 58, 95, 0.1);

  --transition-base: 0.2s ease;
  --transition-smooth: 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-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  object-fit: cover;
}

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

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

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

strong {
  font-weight: 600;
  color: var(--color-primary);
}

figure {
  margin: 0;
}

figcaption {
  font-size: 14px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 8px;
  line-height: 1.5;
}

time {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-muted);
}

details summary {
  cursor: pointer;
  list-style: none;
}

details summary::-webkit-details-marker {
  display: none;
}

/* --------------------------------------------------------------------------
   2. Layout - 全站骨架：页头、导航、页脚、主容器
   -------------------------------------------------------------------------- */

/* 站点主体 */
.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color-bg);
}

/* 页头 */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
  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: 64px;
  gap: 16px;
}

/* 品牌 */
.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.brand-tag {
  font-size: 13px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
}

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

.nav-list li {
  position: relative;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.nav-list a:hover {
  color: var(--color-primary);
  background-color: var(--color-secondary);
}

.nav-list a.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: var(--color-secondary);
}

/* 移动端导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  min-height: 44px;
  transition: background-color var(--transition-base);
}

.nav-toggle:hover {
  background-color: var(--color-border);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* 主内容 */
.site-main {
  flex: 1;
  width: 100%;
}

.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px var(--container-padding) 48px;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px var(--container-padding) 48px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-light);
}

.page-title {
  font-size: 28px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 720px;
  line-height: 1.6;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-primary);
  color: #CBD5E0;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px var(--container-padding) 24px;
}

.footer-brand {
  margin-bottom: 28px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: #A0AEC0;
  max-width: 560px;
}

.footer-brand strong {
  display: block;
  font-size: 18px;
  color: var(--color-white);
  margin-bottom: 6px;
  font-weight: 700;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 28px;
}

.footer-col h4 {
  font-size: 15px;
  color: var(--color-white);
  margin-bottom: 12px;
  font-weight: 600;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  font-size: 14px;
  color: #A0AEC0;
  transition: color var(--transition-base);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-boundary {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 16px;
  margin-bottom: 12px;
}

.footer-boundary p {
  font-size: 13px;
  color: #A0AEC0;
  line-height: 1.6;
}

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.footer-copy p {
  font-size: 13px;
  color: #A0AEC0;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   3. Components - 通用组件：卡片、标签、按钮、步骤、警示框、时间线
   -------------------------------------------------------------------------- */

/* 区块标题通用 */
.section-title {
  font-size: 22px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 20px;
  max-width: 640px;
}

.section-intro {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

/* 频道标签 */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  background-color: var(--color-secondary);
  color: var(--color-primary);
  border: 1px solid transparent;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  min-height: 40px;
}

.tag:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  color: var(--color-primary);
}

.tag-film {
  background-color: #EEF2FF;
  color: #4338CA;
  border-color: #C7D2FE;
}

.tag-drama {
  background-color: #F0FDF4;
  color: #166534;
  border-color: #BBF7D0;
}

.tag-documentary {
  background-color: #FFF7ED;
  color: #9A3412;
  border-color: #FED7AA;
}

.tag-anime {
  background-color: #FDF2F8;
  color: #9D174D;
  border-color: #FBCFE8;
}

.tag-variety {
  background-color: #FFFBEB;
  color: #92400E;
  border-color: #FDE68A;
}

.tag-talk {
  background-color: #F5F3FF;
  color: #5B21B6;
  border-color: #DDD6FE;
}

.tag-short {
  background-color: #ECFEFF;
  color: #0E7490;
  border-color: #A5F3FC;
}

.tag-sports {
  background-color: #FEF2F2;
  color: #991B1B;
  border-color: #FECACA;
}

.tag-education {
  background-color: #F0F9FF;
  color: #075985;
  border-color: #BAE6FD;
}

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  min-height: 44px;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  min-height: 44px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* 侧栏卡片 */
.side-module {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.side-module h2 {
  font-size: 18px;
  margin-bottom: 10px;
}

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

.side-card {
  display: block;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 12px;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.side-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}

.side-card h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.side-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

.side-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background-color: var(--color-secondary);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  min-height: 44px;
  transition: background-color var(--transition-base);
}

.side-btn:hover {
  background-color: var(--color-border);
  color: var(--color-primary);
}

/* 步骤编号通用 */
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-warning);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 警示框 */
.warning-box {
  background-color: #FFFBEB;
  border: 1px solid #FDE68A;
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 16px 0;
}

.warning-box h3 {
  color: #92400E;
  font-size: 16px;
  margin-bottom: 8px;
}

.warning-box p {
  font-size: 14px;
  color: #78350F;
  margin-bottom: 10px;
}

.warning-box ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 12px;
}

.warning-box ul li {
  font-size: 14px;
  color: #78350F;
  margin-bottom: 4px;
  line-height: 1.5;
}

/* FAQ */
.faq-group {
  margin-bottom: 16px;
}

.faq-group h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--color-primary);
}

.faq-group details {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  background-color: var(--color-white);
  overflow: hidden;
}

.faq-group summary {
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color var(--transition-base);
}

.faq-group summary:hover {
  background-color: var(--color-secondary);
}

.faq-group summary::after {
  content: "+";
  font-size: 18px;
  color: var(--color-text-muted);
  transition: transform var(--transition-smooth);
  flex-shrink: 0;
}

.faq-group details[open] summary::after {
  transform: rotate(45deg);
}

.faq-group details p {
  padding: 0 16px 12px;
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 时间线归档条目 */
.archive-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.archive-item:last-child {
  border-bottom: none;
}

.archive-meta {
  flex-shrink: 0;
  width: 140px;
  padding-top: 2px;
}

.archive-meta time {
  display: block;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.archive-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-primary);
  background-color: var(--color-secondary);
  padding: 3px 10px;
  border-radius: 999px;
}

.archive-content {
  flex: 1;
}

.archive-content h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.archive-content p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.archive-content a {
  font-size: 14px;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   4. Pages - 首页
   -------------------------------------------------------------------------- */

/* 媒体焦点区 */
.media-focus {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.focus-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.focus-figure {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 320px;
}

.focus-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.focus-side {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.focus-side .section-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.dynamic-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.dynamic-list li {
  border-bottom: 1px solid var(--color-border-light);
}

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

.dynamic-list a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-text);
  transition: color var(--transition-base), padding-left var(--transition-base);
}

.dynamic-list a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

.hot-topic-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: auto;
  padding: 10px 0;
}

.hot-topic-link:hover {
  color: var(--color-primary-light);
}

/* 频道分类带 */
.channel-strip {
  margin-bottom: 40px;
}

.channel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 首页专题片单 */
.home-topic-wrap {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.topic-card-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.topic-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

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

.topic-card h3 {
  padding: 14px 16px 4px;
}

.topic-card h3 a {
  color: var(--color-primary);
  font-size: 16px;
}

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

.topic-card p {
  padding: 0 16px 14px;
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.5;
}

.topic-aside {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.topic-aside h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.topic-aside ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.topic-aside ul li {
  border-bottom: 1px solid var(--color-border-light);
}

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

.topic-aside ul a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-text);
}

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

.more-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  padding: 8px 0;
}

.more-link:hover {
  color: var(--color-primary-light);
}

/* 观看指南步骤 */
.guide-steps-wrap {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.steps-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.step-item {
  display: flex;
  gap: 14px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.step-body h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.step-body p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.5;
}

.guide-detail-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  padding: 8px 0;
}

.guide-detail-link:hover {
  color: var(--color-primary-light);
}

.guide-aside {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.guide-aside h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.guide-aside p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

.feedback-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  min-height: 44px;
  transition: background-color var(--transition-base);
}

.feedback-link:hover {
  background-color: var(--color-primary-light);
  color: var(--color-white);
}

/* 问题反馈入口 */
.feedback-entry {
  margin-bottom: 40px;
}

.feedback-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feedback-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.feedback-card:hover {
  box-shadow: var(--shadow-md);
}

.feedback-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.feedback-card p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 12px;
  line-height: 1.5;
}

.feedback-card a {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}

.feedback-card a:hover {
  color: var(--color-primary-light);
}

/* 时间归档与关于入口 */
.archive-about-entry {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.archive-entry,
.about-entry {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.archive-entry:hover,
.about-entry:hover {
  box-shadow: var(--shadow-md);
}

.archive-entry h3,
.about-entry h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.archive-entry h3 a,
.about-entry h3 a {
  color: var(--color-primary);
}

.archive-entry h3 a:hover,
.about-entry h3 a:hover {
  color: var(--color-primary-light);
}

.archive-entry p,
.about-entry p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   4. Pages - 内页通用布局
   -------------------------------------------------------------------------- */

/* 内页布局容器 */
.page-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  align-items: start;
}

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

.layout-side {
  min-width: 0;
}

/* 内容主栏与侧栏 */
.content-primary {
  min-width: 0;
}

.sidebar {
  min-width: 0;
}

/* 侧栏右侧 */
.layout-sidebar-right {
  grid-template-columns: 2fr 1fr;
}

/* 布局外壳 */
.layout-shell {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  align-items: start;
}

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

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

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

/* --------------------------------------------------------------------------
   4. Pages - 频道分类页
   -------------------------------------------------------------------------- */

.channel-overview {
  margin-bottom: 40px;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.channel-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.channel-card:hover {
  box-shadow: var(--shadow-md);
}

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

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

.channel-card-body {
  padding: 16px;
}

.channel-card-body h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.channel-card-body p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
  line-height: 1.5;
}

.channel-card-body .channel-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-primary);
  background-color: var(--color-secondary);
  padding: 3px 10px;
  border-radius: 999px;
}

.channel-samples {
  margin-bottom: 20px;
}

.sample-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sample-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.sample-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.sample-item ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sample-item ul li {
  font-size: 13px;
  color: var(--color-text-light);
  background-color: var(--color-bg);
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border-light);
}

/* 侧栏专题推荐 */
.side-topics {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.side-topics h2 {
  font-size: 18px;
  margin-bottom: 10px;
}

.side-card-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-card-list .side-card {
  margin-bottom: 0;
}

.side-card-list .side-card h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.side-card-list .side-card p {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

.side-card-list .side-card a {
  display: block;
  color: var(--color-text);
}

.side-card-list .side-card a:hover {
  color: var(--color-primary);
}

/* 侧栏指南 */
.side-guide {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.side-guide h2 {
  font-size: 18px;
  margin-bottom: 10px;
}

.side-guide p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 12px;
  line-height: 1.5;
}

.side-guide p a {
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   4. Pages - 专题片单页
   -------------------------------------------------------------------------- */

.topic-list-section {
  margin-bottom: 20px;
}

.topic-list-section .topic-card {
  display: flex;
  gap: 20px;
  padding: 20px;
  margin-bottom: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.topic-list-section .topic-card:hover {
  box-shadow: var(--shadow-md);
}

.topic-media {
  flex-shrink: 0;
  width: 200px;
}

.topic-media figure {
  width: 100%;
  height: 140px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.topic-body {
  flex: 1;
  min-width: 0;
}

.topic-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

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

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

.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.topic-tags .tag {
  font-size: 12px;
  padding: 4px 12px;
  min-height: 28px;
}

.topic-reason {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
  line-height: 1.6;
}

.topic-note {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* 侧栏：创作记录 */
.creation-note {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.creation-note h2 {
  font-size: 18px;
  margin-bottom: 10px;
}

.creation-note p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 10px;
}

/* 侧栏：演出信息 */
.release-info {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.release-info h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.release-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.release-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 12px;
  background-color: var(--color-bg);
}

.release-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.release-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4px;
}

.release-place {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* 侧栏：相关专题 */
.related-topics {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.related-topics h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related-list li {
  border-bottom: 1px solid var(--color-border-light);
}

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

.related-list a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-text);
  transition: color var(--transition-base), padding-left var(--transition-base);
}

.related-list a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

/* --------------------------------------------------------------------------
   4. Pages - 观看指南页
   -------------------------------------------------------------------------- */

.guide-steps-section {
  margin-bottom: 32px;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-card {
  display: flex;
  gap: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-warning);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.step-card .step-body {
  flex: 1;
}

.step-card .step-body h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

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

.guide-warning-section {
  margin-bottom: 20px;
}

.warning-figure {
  margin-top: 12px;
}

.warning-figure img {
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.warning-figure figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* 侧栏 FAQ */
.guide-faq-section {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.guide-faq-section h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

/* 相关链接 */
.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
  padding: 16px 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-right: 4px;
}

.related-links-item {
  font-size: 14px;
  color: var(--color-primary-light);
  padding: 6px 12px;
  background-color: var(--color-secondary);
  border-radius: 999px;
  transition: background-color var(--transition-base);
}

.related-links-item:hover {
  background-color: var(--color-border);
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   4. Pages - 时间归档页
   -------------------------------------------------------------------------- */

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

.side-col {
  min-width: 0;
}

.archive-section h2 {
  font-size: 20px;
  margin-bottom: 16px;
}

.content-media {
  margin-bottom: 20px;
}

.content-media img {
  width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.content-media-inline {
  margin-bottom: 24px;
}

.side-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-cards .side-card {
  margin-bottom: 0;
}

.side-cards .side-card h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.side-cards .side-card p {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   4. Pages - 关于本站页
   -------------------------------------------------------------------------- */

.about-section {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.about-section h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

.about-section p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
}

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

.about-figure img {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.about-figure figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 6px;
}

.about-list,
.about-boundary-list {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 12px;
}

.about-list li,
.about-boundary-list li {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 6px;
  line-height: 1.6;
}

.about-links {
  margin-top: 28px;
}

.about-links h2 {
  font-size: 20px;
  margin-bottom: 16px;
}

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

.about-link-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.about-link-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}

.about-link-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}

.about-link-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* 侧栏 */
.sidebar-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.sidebar-card h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav li {
  border-bottom: 1px solid var(--color-border-light);
}

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

.sidebar-nav a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-text);
  transition: color var(--transition-base), padding-left var(--transition-base);
}

.sidebar-nav a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

/* --------------------------------------------------------------------------
   4. Pages - 问题反馈页
   -------------------------------------------------------------------------- */

.feedback-intro {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.feedback-intro .section-title {
  font-size: 20px;
  margin-bottom: 10px;
}

.feedback-intro p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 12px;
}

.feedback-figure {
  margin-top: 16px;
}

.feedback-figure img {
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.feedback-figure figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 6px;
}

.feedback-categories {
  margin-bottom: 32px;
}

.feedback-categories .section-title {
  font-size: 20px;
  margin-bottom: 8px;
}

.feedback-categories > p {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.feedback-card-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feedback-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.feedback-card:hover {
  box-shadow: var(--shadow-md);
}

.feedback-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.feedback-card p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 10px;
  line-height: 1.5;
}

.feedback-card ul {
  list-style: disc;
  padding-left: 18px;
}

.feedback-card ul li {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
  line-height: 1.5;
}

.feedback-process {
  margin-bottom: 32px;
}

.feedback-process .section-title {
  font-size: 20px;
  margin-bottom: 8px;
}

.feedback-process > p {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

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

.process-step {
  display: flex;
  gap: 12px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.process-step .step-num {
  width: 28px;
  height: 28px;
  font-size: 14px;
}

.step-content h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

.related-help {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.related-help .section-title {
  font-size: 18px;
  margin-bottom: 8px;
}

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

.help-link-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.help-link-list li {
  border-bottom: 1px solid var(--color-border-light);
}

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

.help-link-list a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-text);
  transition: color var(--transition-base), padding-left var(--transition-base);
}

.help-link-list a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

/* 侧栏 */
.content-side {
  min-width: 0;
}

.side-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.side-title {
  font-size: 18px;
  margin-bottom: 10px;
}

.side-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 10px;
}

.side-links ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.side-links li {
  border-bottom: 1px solid var(--color-border-light);
}

.side-links li:last-child {
  border-bottom: none;
}

.side-links a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-text);
  transition: color var(--transition-base), padding-left var(--transition-base);
}

.side-links a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

/* --------------------------------------------------------------------------
   4. Pages - 404 页
   -------------------------------------------------------------------------- */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px var(--container-padding);
}

.error-section {
  max-width: 560px;
  width: 100%;
  text-align: left;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-section p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 12px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
  margin-bottom: 24px;
}

.error-help {
  border-top: 1px solid var(--color-border-light);
  padding-top: 16px;
}

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

.error-help a {
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   5. Responsive - 响应式断点
   -------------------------------------------------------------------------- */

/* 平板 */
@media (max-width: 1024px) {
  :root {
    --container-padding: 20px;
  }

  .media-focus {
    grid-template-columns: 1.5fr 1fr;
  }

  .home-topic-wrap,
  .guide-steps-wrap {
    grid-template-columns: 1.5fr 1fr;
  }

  .page-layout,
  .layout-shell {
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
  }

  .topic-list-section .topic-card {
    flex-direction: column;
  }

  .topic-media {
    width: 100%;
  }

  .topic-media figure {
    height: 180px;
  }

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

  .about-links-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

  /* 页头 */
  .header-inner {
    min-height: 56px;
    flex-wrap: wrap;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .brand-tag {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding: 8px 0;
    border-top: 1px solid var(--color-border-light);
  }

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

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

  .nav-list a {
    padding: 12px 8px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 16px;
  }

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

  /* 首页 */
  .home-main {
    padding: 24px var(--container-padding) 40px;
  }

  .media-focus {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .focus-figure {
    min-height: 220px;
  }

  .focus-side {
    padding: 20px;
  }

  .dynamic-list {
    margin-bottom: 12px;
  }

  .channel-strip {
    margin-bottom: 32px;
  }

  .channel-tags {
    gap: 8px;
  }

  .home-topic-wrap {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .topic-card-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .topic-card img {
    height: 180px;
  }

  .topic-aside {
    padding: 20px;
  }

  .guide-steps-wrap {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .guide-aside {
    padding: 20px;
  }

  .feedback-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .archive-about-entry {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 内页 */
  .inner-main {
    padding: 20px var(--container-padding) 40px;
  }

  .page-header {
    margin-bottom: 24px;
  }

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

  .page-layout,
  .layout-shell {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* 频道页 */
  .channel-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .channel-card-media {
    height: 160px;
  }

  /* 专题页 */
  .topic-list-section .topic-card {
    padding: 16px;
  }

  .topic-media figure {
    height: 160px;
  }

  /* 指南页 */
  .step-card {
    padding: 16px;
  }

  .related-links {
    flex-direction: column;
    align-items: flex-start;
  }

  /* 归档页 */
  .archive-item {
    flex-direction: column;
    gap: 8px;
  }

  .archive-meta {
    width: 100%;
  }

  /* 关于页 */
  .about-section {
    padding: 20px;
  }

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

  /* 反馈页 */
  .feedback-card-group {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

  .feedback-intro {
    padding: 20px;
  }

  /* 页脚 */
  .footer-inner {
    padding: 32px var(--container-padding) 20px;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* 404 */
  .error-section {
    padding: 32px 24px;
  }

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

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .error-actions a {
    width: 100%;
  }
}

/* 小屏手机 */
@media (max-width: 390px) {
  :root {
    --container-padding: 14px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

  .feedback-card-group {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .about-links-grid {
    grid-template-columns: 1fr;
  }
}