/* ============================================================
   91传媒 · 全站样式表
   艺术展览风：米白基调 / 深灰文字 / 金色点缀
   ============================================================ */

/* ============================================================
   Base
   ============================================================ */
*,
*::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: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1a1a1a;
  background-color: #f7f6f3;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: #1a1a1a;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #c9a96a;
}

ul,
ol {
  list-style: none;
}

figure {
  margin: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

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

/* ============================================================
   Layout · 全站统一骨架
   ============================================================ */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e8e6e1;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 600;
  color: #1a1a1a;
  letter-spacing: 0.02em;
}

.brand-slogan {
  font-size: 13px;
  color: #6b6b6b;
  letter-spacing: 0.04em;
}

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

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: #4a4a4a;
  border-radius: 4px;
  white-space: nowrap;
}

.nav-list li a:hover {
  color: #1a1a1a;
  background-color: #f7f6f3;
}

.nav-list li a.is-current {
  color: #c9a96a;
  font-weight: 600;
  background-color: rgba(201, 169, 106, 0.08);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid #e8e6e1;
  border-radius: 6px;
  background: #ffffff;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: #1a1a1a;
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s 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 {
  flex: 1;
  width: 100%;
}

.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #6b6b6b;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: #6b6b6b;
}

.breadcrumb a:hover {
  color: #c9a96a;
}

.breadcrumb-sep {
  color: #b0aca5;
}

.breadcrumb-current {
  color: #1a1a1a;
  font-weight: 500;
}

/* 页面标题区 */
.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.4;
  color: #1a1a1a;
  margin-bottom: 10px;
}

.page-description {
  font-size: 16px;
  color: #6b6b6b;
  max-width: 720px;
}

/* ============================================================
   Layout · 三栏系统
   ============================================================ */
.page-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: start;
}

.page-layout.sidebar-left {
  grid-template-columns: 240px minmax(0, 1fr) 280px;
}

/* guide / about：侧栏在 body 直接子元素时用 body 做网格 */
.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-body .page-layout {
  display: grid;
}

/* ============================================================
   Layout · 首页三栏
   ============================================================ */
.home-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: start;
}

/* ============================================================
   Components · 页脚
   ============================================================ */
.site-footer {
  background-color: #1a1a1a;
  color: #b0aca5;
  margin-top: auto;
}

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

.footer-brand-name {
  font-size: 20px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #8a8a8a;
}

.footer-nav-title {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 14px;
}

.footer-nav ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}

.footer-nav ul li a {
  font-size: 14px;
  color: #b0aca5;
}

.footer-nav ul li a:hover {
  color: #c9a96a;
}

.footer-meta {
  text-align: right;
}

.footer-lang {
  font-size: 14px;
  color: #8a8a8a;
  margin-bottom: 8px;
}

.footer-copyright {
  font-size: 13px;
  color: #6b6b6b;
}

/* ============================================================
   Components · 首页 hero
   ============================================================ */
.hero-section {
  position: relative;
  background-color: #1a1a1a;
  min-height: 420px;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 72px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
}

.hero-content h1 {
  font-size: 40px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 16px;
  max-width: 640px;
}

.hero-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 560px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  padding: 12px 32px;
  background-color: #c9a96a;
  color: #1a1a1a;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.hero-cta:hover {
  background-color: #b8985a;
  color: #1a1a1a;
  transform: translateY(-2px);
}

/* ============================================================
   Components · 首页侧栏
   ============================================================ */
.home-sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
  min-width: 0;
}

.channel-tags-panel,
.notice-preview,
.guide-steps-preview {
  background-color: #ffffff;
  border: 1px solid #e8e6e1;
  border-radius: 8px;
  padding: 24px;
}

.channel-tags-panel h2,
.notice-preview h2,
.guide-steps-preview h2 {
  font-size: 17px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid #c9a96a;
}

.channel-tags-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.channel-tags-list li a {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  color: #4a4a4a;
  border-radius: 4px;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.channel-tags-list li a:hover {
  color: #1a1a1a;
  background-color: #f7f6f3;
  border-left-color: #c9a96a;
}

.panel-more {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  color: #c9a96a;
  font-weight: 500;
}

.panel-more:hover {
  color: #1a1a1a;
}

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

.notice-mini-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.notice-date {
  font-size: 13px;
  color: #8a8a8a;
}

.notice-mini-list li a {
  font-size: 14px;
  color: #4a4a4a;
  line-height: 1.5;
}

.notice-mini-list li a:hover {
  color: #c9a96a;
}

.steps-mini-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  counter-reset: step-counter;
}

.steps-mini-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #c9a96a;
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps-mini-list li a {
  font-size: 14px;
  color: #4a4a4a;
  line-height: 1.5;
  padding-top: 2px;
}

.steps-mini-list li a:hover {
  color: #c9a96a;
}

/* ============================================================
   Components · 首页专题推荐
   ============================================================ */
.featured-topics {
  min-width: 0;
}

.featured-topics > h2 {
  font-size: 22px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid #c9a96a;
}

.topic-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.topic-card {
  background-color: #ffffff;
  border: 1px solid #e8e6e1;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.topic-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

.topic-info {
  padding: 20px 24px;
}

.topic-info h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.topic-info p {
  font-size: 15px;
  color: #6b6b6b;
  line-height: 1.6;
}

/* ============================================================
   Components · 首页底部反馈通栏
   ============================================================ */
.feedback-cta {
  background-color: #1a1a1a;
}

.cta-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px;
  text-align: center;
}

.cta-inner h2 {
  font-size: 24px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 12px;
}

.cta-inner p {
  font-size: 16px;
  color: #b0aca5;
  margin-bottom: 24px;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  padding: 12px 36px;
  background-color: #c9a96a;
  color: #1a1a1a;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  transition: background-color 0.25s ease;
}

.cta-button:hover {
  background-color: #b8985a;
  color: #1a1a1a;
}

/* ============================================================
   Components · 相关链接
   ============================================================ */
.related-links {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid #e8e6e1;
}

.related-links-label {
  font-size: 14px;
  color: #6b6b6b;
  font-weight: 500;
}

.related-links-item {
  font-size: 14px;
  color: #4a4a4a;
  padding: 6px 14px;
  border: 1px solid #e8e6e1;
  border-radius: 4px;
  background-color: #ffffff;
  transition: all 0.2s ease;
}

.related-links-item:hover {
  border-color: #c9a96a;
  color: #c9a96a;
}

/* ============================================================
   Components · 频道总览页
   ============================================================ */
.sidebar-left-aside,
.sidebar-right-aside,
.sidebar-left-panel,
.sidebar-right-panel,
.content-sidebar,
.sidebar {
  min-width: 0;
}

.aside-title,
.sidebar-title {
  font-size: 16px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #c9a96a;
}

.channel-index,
.channel-tips,
.step-index-card,
.verify-card,
.sidebar-block,
.feedback-guide,
.process-flow,
.archive-index,
.notice-tags {
  background-color: #ffffff;
  border: 1px solid #e8e6e1;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.anchor-list,
.step-index-list,
.sidebar-links,
.archive-list,
.tags-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.anchor-list li a,
.step-index-list li a,
.sidebar-links li a,
.archive-list li a,
.tags-list li a {
  display: block;
  padding: 9px 12px;
  font-size: 14px;
  color: #4a4a4a;
  border-radius: 4px;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.anchor-list li a:hover,
.step-index-list li a:hover,
.sidebar-links li a:hover,
.archive-list li a:hover,
.tags-list li a:hover {
  color: #1a1a1a;
  background-color: #f7f6f3;
  border-left-color: #c9a96a;
}

.channel-list {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-content: start;
}

.channel-card {
  background-color: #ffffff;
  border: 1px solid #e8e6e1;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.channel-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.channel-card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.channel-card-media figure {
  width: 100%;
  height: 100%;
}

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

.channel-card-content {
  padding: 20px;
}

.channel-card-title {
  font-size: 17px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.channel-card-desc {
  font-size: 14px;
  color: #6b6b6b;
  line-height: 1.6;
}

.channel-tips p {
  font-size: 14px;
  color: #6b6b6b;
  line-height: 1.7;
  margin-bottom: 12px;
}

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

/* ============================================================
   Components · 使用引导页
   ============================================================ */
.guide-content {
  min-width: 0;
}

.guide-step-block {
  margin-bottom: 40px;
  scroll-margin-top: 88px;
}

.step-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #c9a96a;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-title {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
}

.step-body p {
  font-size: 15px;
  color: #4a4a4a;
  line-height: 1.7;
  margin-bottom: 14px;
}

.guide-figure {
  margin-top: 16px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e8e6e1;
}

.guide-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.verify-table {
  width: 100%;
  font-size: 14px;
}

.verify-table thead th {
  background-color: #f7f6f3;
  color: #1a1a1a;
  font-weight: 600;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid #c9a96a;
}

.verify-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid #e8e6e1;
  color: #4a4a4a;
  line-height: 1.5;
}

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

/* ============================================================
   Components · 站内公告页
   ============================================================ */
.layout-shell.page-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: start;
}

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

.content-media {
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 28px;
}

.content-media img {
  width: 100%;
  aspect-ratio: 21 / 8;
  object-fit: cover;
}

.content-media figcaption {
  font-size: 13px;
  color: #8a8a8a;
  padding: 8px 12px;
  background-color: #ffffff;
  border: 1px solid #e8e6e1;
  border-top: none;
  border-radius: 0 0 8px 8px;
}

.notice-list > h2 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid #c9a96a;
}

.notice-item {
  background-color: #ffffff;
  border: 1px solid #e8e6e1;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
  scroll-margin-top: 88px;
}

.notice-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.notice-date {
  font-size: 14px;
  color: #8a8a8a;
}

.notice-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 500;
}

.tag-channel {
  background-color: rgba(201, 169, 106, 0.15);
  color: #a08040;
}

.tag-topic {
  background-color: rgba(26, 26, 26, 0.06);
  color: #4a4a4a;
}

.tag-guide {
  background-color: rgba(107, 107, 107, 0.12);
  color: #6b6b6b;
}

.notice-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.notice-item p {
  font-size: 15px;
  color: #4a4a4a;
  line-height: 1.6;
  margin-bottom: 8px;
}

.notice-link {
  margin-top: 12px;
}

.notice-link a {
  font-size: 14px;
  color: #c9a96a;
  font-weight: 500;
}

.notice-link a:hover {
  color: #1a1a1a;
}

.tags-note {
  font-size: 13px;
  color: #8a8a8a;
  margin-top: 16px;
  line-height: 1.6;
}

/* ============================================================
   Components · 内容说明页
   ============================================================ */
.content-main {
  min-width: 0;
}

.content-section {
  margin-bottom: 40px;
  scroll-margin-top: 88px;
}

.content-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid #c9a96a;
}

.content-section p {
  font-size: 15px;
  color: #4a4a4a;
  line-height: 1.7;
  margin-bottom: 14px;
}

.content-section a {
  color: #c9a96a;
  font-weight: 500;
}

.content-section a:hover {
  color: #1a1a1a;
}

.content-figure {
  margin: 20px 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e8e6e1;
}

.content-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.content-figure figcaption {
  font-size: 13px;
  color: #8a8a8a;
  padding: 8px 12px;
  background-color: #ffffff;
}

.boundary-list {
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.boundary-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  color: #4a4a4a;
  line-height: 1.6;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #c9a96a;
}

.table-wrapper {
  overflow-x: auto;
  border: 1px solid #e8e6e1;
  border-radius: 8px;
  margin: 16px 0;
}

.data-table {
  font-size: 14px;
  min-width: 480px;
}

.data-table thead th {
  background-color: #f7f6f3;
  color: #1a1a1a;
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid #c9a96a;
}

.data-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid #e8e6e1;
  color: #4a4a4a;
  line-height: 1.6;
}

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

/* ============================================================
   Components · 问题反馈页
   ============================================================ */
.feedback-guide h2,
.process-flow h2,
.center-content > h2 {
  font-size: 17px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid #c9a96a;
}

.feedback-guide p {
  font-size: 14px;
  color: #6b6b6b;
  line-height: 1.7;
  margin-bottom: 12px;
}

.feedback-guide a {
  color: #c9a96a;
}

.feedback-guide a:hover {
  color: #1a1a1a;
}

.feedback-guide ul {
  margin: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feedback-guide ul li {
  font-size: 14px;
  color: #4a4a4a;
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

.feedback-guide ul li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: #c9a96a;
  font-weight: 600;
}

.feedback-guide ul li strong {
  color: #1a1a1a;
  font-weight: 600;
}

.center-content > p {
  font-size: 15px;
  color: #6b6b6b;
  margin-bottom: 20px;
}

.self-help-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.help-item {
  background-color: #ffffff;
  border: 1px solid #e8e6e1;
  border-radius: 6px;
  overflow: hidden;
}

.help-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: #1a1a1a;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: background-color 0.2s ease;
}

.help-item summary::-webkit-details-marker {
  display: none;
}

.help-item summary::after {
  content: "+";
  font-size: 20px;
  color: #c9a96a;
  font-weight: 400;
  transition: transform 0.2s ease;
}

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

.help-item summary:hover {
  background-color: #f7f6f3;
}

.help-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: #6b6b6b;
  line-height: 1.7;
}

.help-item p a {
  color: #c9a96a;
}

.help-item p a:hover {
  color: #1a1a1a;
}

.feedback-media {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e8e6e1;
}

.feedback-media img {
  width: 100%;
  aspect-ratio: 21 / 8;
  object-fit: cover;
}

.feedback-media figcaption {
  font-size: 13px;
  color: #8a8a8a;
  padding: 8px 12px;
  background-color: #ffffff;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 18px;
  counter-reset: process-counter;
  margin-bottom: 16px;
}

.process-steps li {
  position: relative;
  padding-left: 44px;
}

.process-steps li::before {
  content: counter(process-counter);
  counter-increment: process-counter;
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #c9a96a;
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-steps li h3 {
  font-size: 15px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 4px;
}

.process-steps li p {
  font-size: 14px;
  color: #6b6b6b;
  line-height: 1.6;
}

.process-note {
  font-size: 13px;
  color: #8a8a8a;
  line-height: 1.6;
  border-top: 1px solid #e8e6e1;
  padding-top: 14px;
}

.process-note a {
  color: #c9a96a;
}

.process-note a:hover {
  color: #1a1a1a;
}

/* ============================================================
   Components · 404 页
   ============================================================ */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 64px 24px;
}

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

.error-code {
  font-size: 72px;
  font-weight: 600;
  color: #c9a96a;
  line-height: 1;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: 24px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: #6b6b6b;
  line-height: 1.7;
  margin-bottom: 28px;
}

.error-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.btn-home,
.btn-channel {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  font-size: 15px;
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-home {
  background-color: #c9a96a;
  color: #1a1a1a;
}

.btn-home:hover {
  background-color: #b8985a;
  color: #1a1a1a;
}

.btn-channel {
  background-color: #ffffff;
  color: #1a1a1a;
  border: 1px solid #e8e6e1;
}

.btn-channel:hover {
  border-color: #c9a96a;
  color: #c9a96a;
}

.error-help {
  font-size: 14px;
  color: #8a8a8a;
}

.error-help a {
  color: #c9a96a;
}

.error-help a:hover {
  color: #1a1a1a;
}

/* ============================================================
   Responsive · 桌面窄屏
   ============================================================ */
@media (max-width: 1100px) {
  .page-layout,
  .page-layout.sidebar-left,
  .layout-shell.page-layout,
  .home-layout {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .page-layout .sidebar-right,
  .page-layout .sidebar-right-aside,
  .layout-shell.page-layout .sidebar-right-panel,
  .page-layout .content-sidebar:last-child,
  .home-layout .sidebar-right {
    grid-column: 1 / -1;
  }

  .sidebar-right,
  .sidebar-right-aside,
  .sidebar-right-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .sidebar-right .notice-preview,
  .sidebar-right .guide-steps-preview,
  .sidebar-right-aside .channel-tips,
  .sidebar-right-panel .process-flow {
    margin-bottom: 0;
  }
}

/* ============================================================
   Responsive · 移动端
   ============================================================ */
@media (max-width: 768px) {
  .header-inner {
    height: 60px;
    padding: 0 16px;
  }

  .brand-slogan {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid #e8e6e1;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
    display: block;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-list.is-open {
    max-height: 400px;
  }

  .nav-list li a {
    padding: 14px 12px;
    font-size: 16px;
    border-bottom: 1px solid #f0eeea;
    border-radius: 0;
  }

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

  .nav-list li a.is-current {
    background-color: rgba(201, 169, 106, 0.08);
  }

  .inner-main {
    padding: 24px 16px 48px;
  }

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

  .page-layout,
  .page-layout.sidebar-left,
  .layout-shell.page-layout,
  .home-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 24px 0 0;
  }

  .home-layout {
    padding: 32px 16px;
  }

  .layout-shell.page-layout {
    padding: 0;
  }

  /* 移动端顺序：H1 与核心内容在辅助侧栏之前 */
  .page-layout .sidebar-left-aside,
  .page-layout .sidebar-left-panel,
  .page-layout .content-sidebar:first-child,
  .page-layout .sidebar:first-child,
  .layout-shell.page-layout .sidebar-left-panel,
  .layout-shell.page-layout .archive-index {
    order: 2;
  }

  .page-layout .page-content,
  .page-layout .content-main,
  .page-layout .channel-list,
  .page-layout .center-content,
  .layout-shell.page-layout .center-content {
    order: 1;
  }

  .page-layout .sidebar-right,
  .page-layout .sidebar-right-aside,
  .page-layout .content-sidebar:last-child,
  .layout-shell.page-layout .sidebar-right-panel {
    order: 3;
  }

  .sidebar-right,
  .sidebar-right-aside,
  .sidebar-right-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

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

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

  .hero-section {
    min-height: 360px;
  }

  .hero-content {
    padding: 48px 16px;
  }

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

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 16px 24px;
  }

  .footer-meta {
    text-align: left;
  }

  .footer-nav ul {
    grid-template-columns: 1fr 1fr;
  }

  .related-links {
    padding: 16px;
    gap: 8px;
  }

  .cta-inner {
    padding: 40px 16px;
  }

  .cta-inner h2 {
    font-size: 20px;
  }

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

  .error-section h1 {
    font-size: 20px;
  }

  .verify-table {
    font-size: 13px;
  }

  .verify-table thead th,
  .verify-table tbody td {
    padding: 8px 10px;
  }

  .step-meta {
    gap: 10px;
  }

  .step-number {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .step-title {
    font-size: 18px;
  }

  .guide-figure img {
    aspect-ratio: 16 / 9;
  }

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

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

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

  .notice-item {
    padding: 18px;
  }

  .notice-header {
    gap: 8px;
  }

  .notice-date {
    font-size: 13px;
  }

  .notice-tag {
    font-size: 11px;
    padding: 2px 8px;
  }

  .process-steps li {
    padding-left: 40px;
  }

  .process-steps li::before {
    width: 28px;
    height: 28px;
    font-size: 13px;
  }

  .help-item summary {
    padding: 14px 16px;
  }

  .help-item p {
    padding: 0 16px 14px;
  }

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

  .btn-home,
  .btn-channel {
    width: 200px;
    justify-content: center;
  }
}

/* ============================================================
   Responsive · 超小屏
   ============================================================ */
@media (max-width: 420px) {
  .brand-name {
    font-size: 20px;
  }

  .page-title {
    font-size: 22px;
  }

  .hero-content h1 {
    font-size: 26px;
  }

  .hero-cta {
    width: 100%;
    justify-content: center;
  }

  .topic-info {
    padding: 16px;
  }

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

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

  .channel-card-title {
    font-size: 16px;
  }

  .footer-nav ul {
    grid-template-columns: 1fr;
  }

  .steps-mini-list li {
    gap: 10px;
  }

  .step-num {
    width: 26px;
    height: 26px;
    font-size: 13px;
  }

  .verify-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .verify-table thead th,
  .verify-table tbody td {
    padding: 8px;
  }
}

/* 程序验收反馈：移动端正文优先 */
@media (max-width: 768px) {
  .site-main :is(.page-content, .main-content, .content-main) {
    order: 1;
  }

  .site-main :is(aside, .sidebar) {
    order: 2;
  }
}