/* =========================================================
   麻豆天美传媒 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================= */

/* ---------------------------------------------------------
   1. base — 变量、重置、排版基础
   --------------------------------------------------------- */
:root {
  --paper: #FAF8F4;
  --ink: #16202C;
  --ink-deep: #101B2D;
  --brick: #B4462F;
  --blue: #1F6F8B;
  --rule: #DCD6CB;
  --muted: #5C6672;
  --paper-alt: #F3EFE7;
  --header-h: 64px;
  --radius: 4px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --shadow-soft: 0 2px 10px rgba(16, 27, 45, 0.06);
}

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

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

body.site-body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--blue);
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover,
a:focus-visible {
  color: var(--brick);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

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

figure {
  margin: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-variant-numeric: tabular-nums;
}

button {
  font-family: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--ink-deep);
  color: #F7F4EE;
  border-radius: var(--radius);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 10px;
  color: #fff;
}

/* ---------------------------------------------------------
   2. layout — 页头、主导航、主容器、页脚骨架
   --------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--ink-deep);
  border-bottom: 1px solid rgba(220, 214, 203, 0.16);
}

.header-inner {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
  color: #F7F4EE;
}

.brand:hover,
.brand:focus-visible {
  color: #fff;
}

.brand-mark {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--brick);
}

.brand-tag {
  font-size: 12px;
  color: #B9C0CA;
  letter-spacing: 0.06em;
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.nav-list li {
  display: flex;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 12px;
  font-size: 15px;
  color: #D7DCE3;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: #fff;
  border-bottom-color: rgba(180, 70, 47, 0.55);
}

.nav-list a.is-current {
  color: #fff;
  border-bottom-color: var(--brick);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(220, 214, 203, 0.32);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: #F7F4EE;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

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

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

.site-main {
  display: block;
}

.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px 72px;
}

.container {
  width: 100%;
}

/* 页脚 */
.site-footer {
  background: var(--ink-deep);
  color: #C9D0D9;
  font-size: 14px;
  line-height: 1.7;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

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

.footer-brand-name {
  font-size: 17px;
  font-weight: 700;
  color: #F7F4EE;
  margin-bottom: 10px;
}

.footer-brand-desc {
  color: #B4BCC6;
  margin-bottom: 10px;
}

.footer-brand-note {
  color: #8D97A3;
  font-size: 13px;
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: #F7F4EE;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(220, 214, 203, 0.18);
}

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

.footer-links a {
  color: #C9D0D9;
  font-size: 14px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 28px;
  border-top: 1px solid rgba(220, 214, 203, 0.16);
  font-size: 13px;
  color: #8D97A3;
}

.footer-statement {
  margin-top: 6px;
  color: #7B8693;
}

/* ---------------------------------------------------------
   3. components — 通用模块
   --------------------------------------------------------- */

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}

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

.breadcrumb-sep {
  color: #A9B0B9;
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}

.page-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-description {
  font-size: 17px;
  line-height: 1.8;
  color: #33404E;
  max-width: 760px;
  margin-bottom: 10px;
}

.page-meta {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-lead {
  font-size: 18px;
  line-height: 1.8;
  color: #33404E;
  max-width: 760px;
  margin-bottom: 10px;
}

/* 两栏布局：主内容在前，aside 在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
}

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

.content-aside,
.layout-aside {
  min-width: 0;
  font-size: 14px;
  line-height: 1.7;
}

/* 侧栏注记块 */
.aside-block {
  padding: 18px 20px;
  background: var(--paper-alt);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
  margin-bottom: 20px;
}

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

.aside-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.aside-block p {
  color: #3D4A58;
  font-size: 14px;
  margin-bottom: 8px;
}

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

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

.aside-list li,
.aside-link-list li {
  font-size: 14px;
  color: #3D4A58;
  padding-left: 12px;
  position: relative;
}

.aside-list li::before,
.aside-link-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  background: var(--brick);
  border-radius: 1px;
}

.aside-link-list a {
  color: var(--blue);
}

/* 通用区块 */
.section {
  margin-bottom: 44px;
}

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

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 4px solid var(--brick);
}

.section-intro {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 20px;
}

.block-intro {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 18px;
}

.section-more {
  margin-top: 18px;
  font-size: 15px;
}

.section-more a {
  color: var(--brick);
  font-weight: 600;
  border-bottom: 1px solid rgba(180, 70, 47, 0.35);
  padding-bottom: 1px;
}

.section-more a:hover,
.section-more a:focus-visible {
  border-bottom-color: var(--brick);
}

/* 表格 */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: #FFFDFA;
}

.data-table {
  min-width: 560px;
  font-size: 15px;
  line-height: 1.65;
}

.data-table thead th {
  text-align: left;
  font-weight: 600;
  font-size: 14px;
  color: var(--blue);
  padding: 12px 16px;
  background: var(--paper-alt);
  border-bottom: 2px solid var(--brick);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule);
  color: #2C3846;
  vertical-align: top;
}

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

.data-table tbody tr:hover {
  background: #F6F2EA;
}

.data-table tbody tr:focus-within {
  background: #F6F2EA;
  outline: 2px solid rgba(31, 111, 139, 0.35);
  outline-offset: -2px;
}

.data-table tbody td:first-child {
  font-weight: 600;
  color: var(--ink);
}

.table-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px 0;
  font-size: 13px;
  color: var(--muted);
}

.table-note,
.table-footnote {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.table-note a,
.table-footnote a {
  color: var(--blue);
}

/* 图片容器 */
.content-media,
.section-media,
.topic-figure,
.media-figure,
.page-figure,
.article-figure {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-alt);
}

.content-media img,
.section-media img,
.topic-figure img,
.media-figure img,
.page-figure img,
.article-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--paper-alt);
}

.content-media figcaption,
.section-media figcaption,
.topic-figure figcaption,
.media-figure figcaption,
.page-figure figcaption,
.article-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--rule);
}

/* 折叠问答 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 860px;
}

.faq-item {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: #FFFDFA;
  overflow: hidden;
}

.faq-item[open] {
  border-color: #C9C0B2;
  box-shadow: var(--shadow-soft);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  min-height: 48px;
}

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

.faq-question::after {
  content: "+";
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  line-height: 20px;
  text-align: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--brick);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-question:hover {
  color: var(--brick);
}

.faq-answer {
  padding: 0 18px 16px;
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.8;
  color: #3D4A58;
  margin-bottom: 10px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* 按钮 */
.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background: var(--brick);
  color: #FFF8F4;
  border: 1px solid var(--brick);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #9C3823;
  border-color: #9C3823;
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid #B9B0A2;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--brick);
  color: var(--brick);
}

/* ---------------------------------------------------------
   4. pages — 首页
   --------------------------------------------------------- */
.home-main {
  display: block;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 首屏焦点区 */
.hero {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.hero-text {
  min-width: 0;
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--brick);
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}

.hero-text h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.22;
  color: var(--ink);
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.8;
  color: #33404E;
  margin-bottom: 24px;
}

.hero-method {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  margin-bottom: 26px;
}

.method-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 12px;
}

.method-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.method-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: #2C3846;
}

.method-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brick);
  border: 1px solid rgba(180, 70, 47, 0.45);
  border-radius: var(--radius);
  font-variant-numeric: tabular-nums;
}

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

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-media {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-figure {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-alt);
}

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--paper-alt);
}

.hero-caption {
  padding: 10px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--rule);
}

.hero-quicknav {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: #FFFDFA;
  padding: 16px 18px;
}

.quicknav-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 12px;
}

.quicknav-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.quicknav-list li {
  min-width: 0;
}

.quicknav-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper-alt);
  border: 1px solid transparent;
  border-radius: var(--radius);
}

.quicknav-list a:hover,
.quicknav-list a:focus-visible {
  color: var(--brick);
  border-color: rgba(180, 70, 47, 0.4);
  background: #FBF6EE;
}

/* 首页正文图 */
.content-media-primary {
  max-width: 1200px;
  margin: 0 auto 44px;
}

.content-media-primary img {
  aspect-ratio: 21 / 9;
}

/* 编辑结论 */
.conclusions {
  padding: 44px 0;
  background: var(--paper-alt);
  border-bottom: 1px solid var(--rule);
}

.conclusion-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.conclusion-item {
  display: flex;
  gap: 14px;
  padding-top: 16px;
  border-top: 2px solid var(--brick);
  min-width: 0;
}

.conclusion-num {
  flex-shrink: 0;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--brick);
  font-variant-numeric: tabular-nums;
}

.conclusion-body {
  min-width: 0;
}

.conclusion-text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 6px;
}

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

/* 首页各区块通用间距 */
.channels-overview,
.topic-timeline,
.schedule-batch,
.verify,
.picks-preview,
.faq-excerpt {
  padding: 44px 0;
  border-bottom: 1px solid var(--rule);
}

.faq-excerpt {
  border-bottom: none;
}

.section-head {
  margin-bottom: 22px;
}

.section-head .section-intro {
  margin-bottom: 0;
}

/* 专题时间线（首页） */
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 2px solid var(--rule);
  margin-left: 6px;
}

.timeline-item {
  position: relative;
  display: flex;
  gap: 20px;
  padding: 0 0 26px 24px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-mark {
  position: absolute;
  left: -8px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--paper);
  border: 2px solid var(--blue);
  border-radius: 50%;
}

.timeline-body {
  min-width: 0;
}

.timeline-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.timeline-channels {
  font-size: 13px;
  color: var(--blue);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.timeline-summary {
  font-size: 15px;
  line-height: 1.75;
  color: #3D4A58;
  max-width: 760px;
}

/* 入口核验清单 */
.verify-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.verify-intro {
  min-width: 0;
}

.verify-intro p {
  font-size: 15px;
  line-height: 1.8;
  color: #3D4A58;
  margin-bottom: 12px;
  max-width: 620px;
}

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

.verify-list-wrap {
  min-width: 0;
  padding: 20px 22px;
  background: #FFFDFA;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.verify-list-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

.verify-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: verify;
}

.verify-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  min-width: 0;
}

.verify-item::before {
  counter-increment: verify;
  content: counter(verify);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 700;
  color: #FFF8F4;
  background: var(--brick);
  border-radius: 2px;
  font-variant-numeric: tabular-nums;
}

.verify-name {
  display: block;
  font-weight: 600;
  color: var(--ink);
}

.verify-standard {
  display: block;
  font-size: 14px;
  color: var(--muted);
}

/* 首页榜单预览 */
.picks-note {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.picks-note a {
  color: var(--blue);
}

.picks-table .rank {
  font-variant-numeric: tabular-nums;
  color: var(--brick);
  font-weight: 700;
}

/* ---------------------------------------------------------
   5. pages — 内页通用与各页模块
   --------------------------------------------------------- */

/* 频道总览 */
.section-channel-table,
.section-channel-detail,
.section-channel-topic-map {
  margin-bottom: 44px;
}

.section-channel-topic-map {
  margin-bottom: 0;
}

.section-channel-table .section-media {
  margin-bottom: 20px;
}

.channel-table tbody td:first-child {
  white-space: nowrap;
}

.section-channel-detail .channel-item {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}

.section-channel-detail .channel-item:last-child {
  border-bottom: 1px solid var(--rule);
}

.channel-item-head {
  min-width: 0;
}

.channel-item-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.channel-item-focus {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.channel-item-body {
  min-width: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #3D4A58;
}

.channel-item-body p {
  margin-bottom: 10px;
}

.channel-item-body p:last-child {
  margin-bottom: 0;
}

.channel-item-link {
  font-weight: 600;
  color: var(--blue);
}

.channel-topic-table tbody td:first-child {
  white-space: nowrap;
}

/* 专题中心 */
.page-head {
  margin-bottom: 24px;
}

.page-head .page-lead {
  margin-bottom: 10px;
}

.page-head .page-meta {
  margin-bottom: 0;
}

.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
}

.topic-timeline {
  margin-bottom: 44px;
}

.topic-timeline .timeline-list {
  border-left: 2px solid var(--rule);
  margin-left: 8px;
}

.topic-timeline .timeline-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  padding: 0 0 26px 22px;
}

.topic-timeline .timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-scale {
  position: relative;
  min-width: 0;
  padding-top: 2px;
}

.timeline-tick {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  background: var(--paper-alt);
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-variant-numeric: tabular-nums;
}

.timeline-title {
  position: absolute;
  left: -31px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--paper);
  border: 2px solid var(--blue);
  border-radius: 50%;
}

.topic-detail {
  margin-bottom: 44px;
}

.topic-figure {
  margin-bottom: 20px;
}

.topic-table tbody td:first-child {
  white-space: nowrap;
}

.topic-index {
  margin-bottom: 0;
}

.topic-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.topic-card {
  min-width: 0;
  padding: 18px 20px;
  background: #FFFDFA;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--brick);
  border-radius: var(--radius);
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}

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

.topic-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.topic-card-lead {
  font-size: 14px;
  line-height: 1.7;
  color: #3D4A58;
  margin-bottom: 10px;
}

.topic-card-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

.link-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
}

/* 编辑推荐榜 */
.picks-dimensions {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--rule);
}

.picks-dimensions h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 4px solid var(--brick);
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.dimension-item {
  min-width: 0;
  padding-top: 14px;
  border-top: 2px solid var(--brick);
}

.dimension-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.dimension-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.picks-board {
  margin-bottom: 32px;
}

.picks-board h2,
.picks-read h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 4px solid var(--brick);
}

.picks-table .cell-rank {
  font-variant-numeric: tabular-nums;
  color: var(--brick);
  font-weight: 700;
  white-space: nowrap;
}

.picks-table .cell-topic {
  font-weight: 600;
  color: var(--ink);
}

.media-figure {
  margin-bottom: 32px;
}

.picks-read {
  margin-bottom: 0;
}

.picks-read p {
  font-size: 15px;
  line-height: 1.8;
  color: #3D4A58;
  margin-bottom: 12px;
  max-width: 760px;
}

.picks-read p:last-child {
  margin-bottom: 0;
}

/* 观看指南 */
.page-title-block {
  margin-bottom: 24px;
}

.page-title-block .page-lead {
  margin-bottom: 10px;
}

.page-title-block .page-meta {
  margin-bottom: 0;
}

.guide-steps .page-figure,
.page-guide .page-figure {
  margin-bottom: 32px;
}

.guide-steps,
.verify-checklist,
.guide-issues,
.guide-more {
  margin-bottom: 44px;
}

.guide-more {
  margin-bottom: 0;
}

.guide-steps h2,
.verify-checklist h2,
.guide-issues h2,
.guide-more h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 4px solid var(--brick);
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.step-item {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 28px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.step-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.step-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-size: 14px;
  font-weight: 700;
  color: #FFF8F4;
  background: var(--brick);
  border-radius: var(--radius);
  font-variant-numeric: tabular-nums;
}

.step-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
  padding-top: 3px;
}

.step-body {
  min-width: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #3D4A58;
}

.step-body p {
  margin-bottom: 10px;
}

.step-body p:last-child {
  margin-bottom: 0;
}

.step-body a {
  color: var(--blue);
  border-bottom: 1px solid rgba(31, 111, 139, 0.35);
}

.step-check {
  font-size: 14px;
  color: var(--muted);
  padding-left: 12px;
  border-left: 2px solid var(--rule);
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: #FFFDFA;
}

.checklist-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 20px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--rule);
}

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

.checklist-name {
  font-weight: 600;
  color: var(--ink);
  font-size: 15px;
  min-width: 0;
}

.checklist-standard {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  min-width: 0;
}

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

.more-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.more-links li {
  min-width: 0;
  padding: 14px 16px;
  background: var(--paper-alt);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius);
}

.more-links a {
  display: block;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 4px;
}

.more-desc {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* 更新编排 */
.page-schedule .page-head {
  margin-bottom: 28px;
}

.content-media-inline {
  max-width: 760px;
}

.content-media-inline img {
  aspect-ratio: 16 / 7;
}

.content-block {
  margin-bottom: 44px;
}

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

.content-block h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 4px solid var(--brick);
}

.rhythm-item {
  padding: 18px 0;
  border-top: 1px solid var(--rule);
}

.rhythm-item:last-child {
  border-bottom: 1px solid var(--rule);
}

.rhythm-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.rhythm-item p {
  font-size: 15px;
  line-height: 1.8;
  color: #3D4A58;
  max-width: 760px;
}

.layout-aside .aside-block h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

/* 常见问题 */
.page-faq .page-hero {
  margin-bottom: 28px;
}

.page-hero-inner {
  margin-bottom: 20px;
}

.page-hero-inner .page-lead {
  margin-bottom: 10px;
}

.page-hero-inner .page-meta {
  margin-bottom: 0;
}

.page-faq .page-figure {
  max-width: 760px;
}

.anchor-bar {
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}

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

.anchor-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper-alt);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.anchor-list a:hover,
.anchor-list a:focus-visible {
  color: var(--brick);
  border-color: rgba(180, 70, 47, 0.45);
}

.faq-group {
  margin-bottom: 40px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.faq-group .section-title {
  margin-bottom: 10px;
}

.faq-group .faq-list,
.faq-group details {
  max-width: 860px;
}

.faq-group .faq-item {
  margin-bottom: 10px;
}

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

.boundary-note {
  padding: 20px 24px;
  background: var(--paper-alt);
  border-left: 4px solid var(--brick);
  border-radius: var(--radius);
  max-width: 860px;
}

.boundary-note .section-title {
  font-size: 18px;
  border-left: none;
  padding-left: 0;
  margin-bottom: 10px;
}

.boundary-text {
  font-size: 15px;
  line-height: 1.8;
  color: #3D4A58;
}

/* 反馈与纠错 */
.page-intro {
  margin-bottom: 28px;
}

.page-intro .page-lead {
  margin-bottom: 10px;
}

.page-intro .page-meta {
  margin-bottom: 0;
}

.feedback-layout {
  grid-template-columns: minmax(0, 1fr) 320px;
}

.feedback-layout .content-main {
  max-width: 860px;
}

.article-figure {
  margin-bottom: 32px;
}

.feedback-types,
.feedback-keys,
.feedback-flow,
.related-links {
  margin-bottom: 44px;
}

.related-links {
  margin-bottom: 0;
}

.feedback-types h2,
.feedback-keys h2,
.feedback-flow h2,
.related-links h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 4px solid var(--brick);
}

.feedback-type {
  padding: 18px 20px;
  margin-bottom: 14px;
  background: #FFFDFA;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.feedback-type:last-child {
  margin-bottom: 0;
}

.feedback-type-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.feedback-type-sign {
  font-size: 14px;
  line-height: 1.75;
  color: #3D4A58;
  margin-bottom: 8px;
}

.feedback-type-scope {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.scope-label {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  background: rgba(31, 111, 139, 0.08);
  border: 1px solid rgba(31, 111, 139, 0.3);
  border-radius: 2px;
}

.feedback-type-scope a {
  color: var(--blue);
  margin-left: 4px;
}

.key-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.key-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.key-num {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--brick);
  font-variant-numeric: tabular-nums;
}

.key-text {
  font-size: 15px;
  line-height: 1.8;
  color: #3D4A58;
  min-width: 0;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.flow-step {
  min-width: 0;
  padding: 16px 18px;
  background: var(--paper-alt);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius);
}

.flow-step-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.flow-step-text {
  font-size: 14px;
  line-height: 1.7;
  color: #3D4A58;
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.related-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px;
  background: #FFFDFA;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.related-list a {
  font-weight: 600;
  color: var(--blue);
}

.related-note {
  font-size: 13px;
  color: var(--muted);
}

/* 404 */
.error-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 72px 24px 88px;
}

.error-block {
  max-width: 720px;
  margin-bottom: 48px;
}

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

.error-block h1 {
  font-size: 34px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}

.error-lead {
  font-size: 17px;
  line-height: 1.8;
  color: #3D4A58;
  margin-bottom: 26px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.error-hints {
  max-width: 720px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}

.error-hints h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}

.error-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.error-list li {
  padding-left: 14px;
  position: relative;
  font-size: 15px;
  line-height: 1.7;
}

.error-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  background: var(--brick);
  border-radius: 1px;
}

/* ---------------------------------------------------------
   6. responsive — 1024 / 768 / 480
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: block;
    background: var(--ink-deep);
    border-bottom: 1px solid rgba(220, 214, 203, 0.16);
    box-shadow: 0 12px 24px rgba(16, 27, 45, 0.24);
    padding: 8px 16px 16px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

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

  .nav-list li {
    display: block;
  }

  .nav-list a {
    width: 100%;
    height: auto;
    min-height: 48px;
    padding: 0 12px;
    border-bottom: 1px solid rgba(220, 214, 203, 0.12);
    border-left: 2px solid transparent;
  }

  .nav-list a.is-current {
    border-bottom-color: rgba(220, 214, 203, 0.12);
    border-left-color: var(--brick);
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    padding-top: 36px;
  }

  .hero-text h1 {
    font-size: 36px;
  }

  .conclusion-list {
    gap: 20px;
  }

  .verify-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .page-layout,
  .layout-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .content-aside,
  .layout-aside {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
  }

  .aside-block {
    margin-bottom: 0;
  }

  .dimension-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
    gap: 12px;
  }

  .brand-tag {
    display: none;
  }

  .inner-main {
    padding: 22px 16px 56px;
  }

  .section-inner {
    padding: 0 16px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 28px 16px 32px;
  }

  .hero-text h1 {
    font-size: 30px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .content-media-primary {
    margin-bottom: 32px;
    padding: 0 16px;
  }

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

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

  .page-description,
  .page-lead {
    font-size: 16px;
  }

  .section-title,
  .picks-dimensions h2,
  .picks-board h2,
  .picks-read h2,
  .guide-steps h2,
  .verify-checklist h2,
  .guide-issues h2,
  .guide-more h2,
  .content-block h2,
  .feedback-types h2,
  .feedback-keys h2,
  .feedback-flow h2,
  .related-links h2 {
    font-size: 20px;
  }

  .conclusions,
  .channels-overview,
  .topic-timeline,
  .schedule-batch,
  .verify,
  .picks-preview,
  .faq-excerpt {
    padding: 32px 0;
  }

  .conclusion-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .quicknav-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-channel-detail .channel-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .topic-timeline .timeline-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding-left: 20px;
  }

  .timeline-title {
    left: -29px;
  }

  .step-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 18px 0;
  }

  .checklist-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .dimension-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .flow-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .more-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .topic-cards {
    grid-template-columns: minmax(0, 1fr);
  }

  .content-aside,
  .layout-aside {
    grid-template-columns: minmax(0, 1fr);
  }

  .anchor-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .anchor-list li {
    flex-shrink: 0;
  }

  .error-main {
    padding: 48px 16px 64px;
  }

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

  .error-block h1 {
    font-size: 26px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding: 36px 16px 24px;
  }

  .footer-bottom {
    padding: 14px 16px 24px;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 27px;
  }

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

  .hero-actions .btn-primary,
  .hero-actions .btn-ghost {
    width: 100%;
  }

  .quicknav-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

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

  .error-actions .btn-primary,
  .error-actions .btn-ghost {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}