/* =========================================================
   糖心小桃 · 全站样式表
   说明：本文件按 base / layout / components / pages /
   responsive 分组编写，覆盖整站真实 DOM。
   ========================================================= */

/* =========================================================
   Base —— 变量、重置、全局基础
   ========================================================= */
:root {
  --color-bg: #f6f4ef;
  --color-text: #2d2a28;
  --color-accent: #b76e79;
  --color-accent-dark: #9c5a64;
  --color-blue: #a3a9b4;
  --color-green: #9aae9c;
  --color-purple: #b5a3b8;
  --color-yellow: #cbb896;
  --color-pink: #c99aa2;
  --color-gray: #b0b0b0;
  --color-card: #ffffff;
  --color-border: #e6e2da;
  --color-text-light: #6b6763;
  --color-text-lighter: #8a8682;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container-width: 1200px;
  --content-width: 720px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(45, 42, 40, 0.06);
  --shadow-md: 0 2px 8px rgba(45, 42, 40, 0.08);
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}

h1 {
  font-size: 34px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 17px;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

.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;
}

/* =========================================================
   Layout —— 页头、页脚、容器、栅格骨架
   ========================================================= */

/* ---- 全站容器 ---- */
.header-inner,
.footer-inner,
.hero-inner,
.guide-cta-inner,
.policy-summary-inner,
.inner-main,
.error-panel {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---- 页头 ---- */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand a {
  display: inline-flex;
  align-items: center;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

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

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.nav-toggle-icon {
  position: relative;
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: background-color var(--transition);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition);
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  top: 7px;
}

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

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

.nav-list li a:hover {
  background-color: rgba(183, 110, 121, 0.08);
  color: var(--color-accent);
}

.nav-list li a.is-current {
  color: var(--color-accent);
  font-weight: 600;
  background-color: rgba(183, 110, 121, 0.1);
}

/* ---- 页脚 ---- */
.site-footer {
  background-color: #ece9e3;
  border-top: 1px solid var(--color-border);
  margin-top: 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-top: 48px;
  padding-bottom: 40px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.footer-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 14px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-text-light);
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 18px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-text-lighter);
  margin: 0;
}

/* ---- 内页通用骨架 ---- */
.inner-main {
  padding-top: 36px;
  padding-bottom: 72px;
  min-height: 60vh;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-lighter);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

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

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

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

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

/* 页面标题区 */
.page-header {
  margin-bottom: 40px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.page-description {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 640px;
  line-height: 1.8;
}

/* ---- 通用按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color var(--transition), color var(--transition), box-shadow var(--transition);
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
  background-color: rgba(183, 110, 121, 0.08);
  color: var(--color-accent-dark);
}

/* ---- 通用文本链接 ---- */
.text-link {
  display: inline-flex;
  align-items: center;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--transition);
}

.text-link:hover {
  color: var(--color-accent-dark);
}

.text-link::after {
  content: "→";
  margin-left: 6px;
  transition: transform var(--transition);
}

.text-link:hover::after {
  transform: translateX(3px);
}

/* ---- 通用区块标题 ---- */
.section-header {
  margin-bottom: 28px;
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

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

/* ---- 通用侧栏布局（主内容在前 aside 在后） ---- */
.layout-shell.sidebar-right {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: start;
}

.layout-shell.sidebar-right .main-content {
  min-width: 0;
}

.layout-shell.sidebar-right .sidebar-content {
  min-width: 0;
}

/* ---- 页内目录侧栏（viewing / policy） ---- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 48px;
  align-items: start;
}

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

.sidebar {
  min-width: 0;
}

.sidebar-inner {
  position: sticky;
  top: 92px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.sidebar-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-links li,
.sidebar-list li {
  margin-bottom: 4px;
}

.sidebar-links a,
.sidebar-list a {
  display: block;
  padding: 6px 10px;
  font-size: 14px;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), color var(--transition);
}

.sidebar-links a:hover,
.sidebar-list a:hover {
  background-color: rgba(183, 110, 121, 0.06);
  color: var(--color-accent);
}

/* =========================================================
   Components —— 频道标签、卡片、列表、FAQ、时间线等
   ========================================================= */

/* ---- 频道标签 ---- */
.channel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 999px;
  line-height: 1.6;
}

.tag-blue {
  background-color: rgba(163, 169, 180, 0.25);
  color: #5a6472;
}

.tag-green {
  background-color: rgba(154, 174, 156, 0.25);
  color: #4f6953;
}

.tag-purple {
  background-color: rgba(181, 163, 184, 0.25);
  color: #6b5a72;
}

.tag-yellow {
  background-color: rgba(203, 184, 150, 0.3);
  color: #6f5f3c;
}

.tag-pink {
  background-color: rgba(201, 154, 162, 0.25);
  color: #7a4a52;
}

.tag-gray {
  background-color: rgba(176, 176, 176, 0.2);
  color: #5f5f5f;
}

/* ---- 频道标签条（browse 页锚点） ---- */
.channel-tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  padding: 16px 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.channel-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 999px;
  transition: opacity var(--transition), transform var(--transition);
  min-height: 36px;
}

.channel-tag:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* ---- 三入口索引卡（首页） ---- */
.quick-index {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.index-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.index-card-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.index-card-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 14px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.card-link::after {
  content: "→";
  margin-left: 6px;
  transition: transform var(--transition);
}

.card-link:hover::after {
  transform: translateX(3px);
}

/* ---- 内容速览混合列表（首页） ---- */
.view-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.view-item {
  display: flex;
  gap: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: box-shadow var(--transition);
}

.view-item:hover {
  box-shadow: var(--shadow-md);
}

.view-item img {
  width: 180px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.view-item-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.view-item-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.view-item-excerpt {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 10px;
}

.view-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  align-self: flex-start;
}

.view-link::after {
  content: "→";
  margin-left: 6px;
  transition: transform var(--transition);
}

.view-link:hover::after {
  transform: translateX(3px);
}

/* 紧凑列表 */
.compact-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 8px 0;
}

.compact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  transition: background-color var(--transition);
  border-radius: var(--radius-sm);
}

.compact-item:hover {
  background-color: rgba(183, 110, 121, 0.04);
}

.compact-cat {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-lighter);
  background-color: rgba(176, 176, 176, 0.15);
  padding: 2px 10px;
  border-radius: 999px;
}

.compact-title {
  font-size: 15px;
  color: var(--color-text);
  transition: color var(--transition);
  min-width: 0;
}

.compact-item:hover .compact-title {
  color: var(--color-accent);
}

/* ---- 专题片单横卡 ---- */
.featured-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.featured-card {
  display: flex;
  gap: 24px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: box-shadow var(--transition);
}

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

.featured-card img {
  width: 240px;
  height: 150px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.featured-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  flex: 1;
}

.featured-card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.featured-card-summary {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 10px;
}

.featured-audience {
  font-size: 13px;
  color: var(--color-text-lighter);
  margin-bottom: 12px;
}

.featured-audience strong {
  font-weight: 600;
  color: var(--color-text-light);
}

.card-entry {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  align-self: flex-start;
}

.card-entry::after {
  content: "→";
  margin-left: 6px;
  transition: transform var(--transition);
}

.card-entry:hover::after {
  transform: translateX(3px);
}

/* ---- 双按钮引导区（首页） ---- */
.guide-cta-inner {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: left;
}

.guide-cta-inner .section-title {
  margin-bottom: 12px;
}

.guide-cta-text {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 640px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---- 更新动态时间线（首页） ---- */
.update-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.timeline-date {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--color-text-lighter);
  font-variant-numeric: tabular-nums;
}

.timeline-type {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-lighter);
  background-color: rgba(176, 176, 176, 0.15);
  padding: 2px 10px;
  border-radius: 999px;
}

.timeline-title {
  font-size: 15px;
  color: var(--color-text);
  transition: color var(--transition);
  min-width: 0;
}

.timeline-item:hover .timeline-title {
  color: var(--color-accent);
}

.more-link {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  margin-top: 16px;
}

.more-link::after {
  content: "→";
  margin-left: 6px;
  transition: transform var(--transition);
}

.more-link:hover::after {
  transform: translateX(3px);
}

/* ---- 收录规则摘要（首页） ---- */
.policy-summary-inner {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
}

.policy-lines {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
  margin-bottom: 16px;
}

.policy-lines p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

.policy-lines strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ---- 折叠问答 ---- */
.faq-section {
  margin-top: 48px;
}

.faq-section h2 {
  margin-bottom: 8px;
}

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

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: background-color var(--transition);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}

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

.faq-item summary:hover {
  background-color: rgba(183, 110, 121, 0.04);
}

.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin: 0;
}

/* =========================================================
   Pages —— 首页与各内页特有模块
   ========================================================= */

/* ---- 首页首屏 ---- */
.hero-section {
  padding: 48px 0 56px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

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

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  padding: 4px 14px;
  background-color: rgba(183, 110, 121, 0.1);
  border-radius: 999px;
}

.hero-title {
  font-size: 36px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
  margin-bottom: 14px;
}

.hero-description {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 24px;
}

.hero-figure {
  margin-bottom: 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.hero-figure img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

/* ---- 首页内容速览 ---- */
.quick-view-section {
  padding: 48px 0;
}

/* 首页 section 容器宽度 */
.home-main > section {
  padding-left: 24px;
  padding-right: 24px;
}

.home-main > section > .section-header,
.home-main > section > .view-list,
.home-main > section > .featured-cards,
.home-main > section > .update-timeline,
.home-main > section > .more-link {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
}

/* ---- 首页专题片单 ---- */
.featured-collection-section {
  padding: 48px 0;
  background-color: #f0ede7;
}

/* ---- 首页观看指南双按钮 ---- */
.guide-cta-section {
  padding: 48px 0;
}

/* ---- 首页更新动态摘要 ---- */
.update-summary-section {
  padding: 48px 0;
}

/* ---- 首页收录规则摘要 ---- */
.policy-summary-section {
  padding: 0 0 56px;
}

/* ---- quickstart 页 ---- */
.steps-section {
  margin-bottom: 40px;
}

.steps-section h2 {
  margin-bottom: 8px;
}

.section-intro {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 24px;
  line-height: 1.8;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.step-card {
  display: flex;
  gap: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow var(--transition);
}

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

.step-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-accent);
  background-color: rgba(183, 110, 121, 0.1);
  border-radius: 50%;
}

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

.step-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 10px;
}

/* 路径说明图 */
.path-figure {
  margin: 32px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.path-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.path-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-lighter);
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
}

/* 下一步入口 */
.next-steps {
  margin-top: 40px;
}

.next-steps h2 {
  margin-bottom: 8px;
}

.next-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

.next-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow var(--transition);
}

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

.next-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.next-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 14px;
}

/* ---- browse 页 ---- */
.content-group {
  margin-bottom: 48px;
  scroll-margin-top: 88px;
}

.group-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-border);
}

.group-desc {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.7;
}

.featured-row {
  display: flex;
  gap: 24px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

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

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

.featured-media figcaption {
  font-size: 13px;
  color: var(--color-text-lighter);
  padding: 8px 4px 0;
}

.featured-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.featured-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 10px;
}

.featured-meta {
  font-size: 13px;
  color: var(--color-text-lighter);
  margin-bottom: 14px;
}

/* browse 页紧凑列表 */
.browse .compact-list {
  border: none;
  padding: 0;
  background-color: transparent;
}

.content-group .compact-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 8px 0;
}

.content-group .compact-item {
  border-bottom: 1px solid rgba(230, 226, 218, 0.6);
}

.content-group .compact-item:last-child {
  border-bottom: none;
}

.content-group .compact-item a {
  display: block;
  font-size: 15px;
  color: var(--color-text);
  transition: color var(--transition);
}

.content-group .compact-item:hover a {
  color: var(--color-accent);
}

/* 衔接入口 */
.next-links {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 16px;
}

.next-links-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.next-links-desc {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.next-links-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.next-link-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background-color: rgba(183, 110, 121, 0.04);
  border: 1px solid rgba(183, 110, 121, 0.15);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: background-color var(--transition), border-color var(--transition);
}

.next-link-card:hover {
  background-color: rgba(183, 110, 121, 0.08);
  border-color: var(--color-accent);
}

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

.next-link-card:hover .next-link-title {
  color: var(--color-accent);
}

.next-link-desc {
  font-size: 13px;
  color: var(--color-text-light);
}

/* 相关链接 */
.related-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.related-links-item {
  font-size: 14px;
  color: var(--color-text-light);
  padding: 4px 12px;
  background-color: rgba(176, 176, 176, 0.12);
  border-radius: 999px;
  transition: background-color var(--transition), color var(--transition);
}

.related-links-item:hover {
  background-color: rgba(183, 110, 121, 0.1);
  color: var(--color-accent);
}

/* ---- featured 页 ---- */
.featured-note {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 40px;
}

.featured-note h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.featured-note p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin: 0;
}

.featured-list {
  margin-bottom: 48px;
}

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

/* featured 页片单卡片 */
.featured-list .featured-card {
  margin-bottom: 20px;
}

.featured-card-media {
  flex-shrink: 0;
  width: 240px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.featured-card-media img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.featured-card-audience {
  font-size: 13px;
  color: var(--color-text-lighter);
  margin-bottom: 12px;
}

.featured-card-audience strong {
  font-weight: 600;
  color: var(--color-text-light);
}

.featured-card-link {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  align-self: flex-start;
}

.featured-card-link::after {
  content: "→";
  margin-left: 6px;
  transition: transform var(--transition);
}

.featured-card-link:hover::after {
  transform: translateX(3px);
}

/* 筛选逻辑 */
.featured-logic {
  margin-bottom: 48px;
}

.featured-logic .section-title {
  margin-bottom: 8px;
}

.featured-logic-intro {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.logic-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.logic-list li {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  counter-increment: logic;
  position: relative;
}

.logic-list li::before {
  content: counter(logic);
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 32px;
  font-weight: 600;
  color: rgba(183, 110, 121, 0.15);
  line-height: 1;
}

.logic-list h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.logic-list p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

/* 衔接入口 */
.featured-guide-entry {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.featured-guide-entry h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.featured-guide-entry p {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.guide-entry-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---- viewing 页 ---- */
.verify-steps {
  margin-bottom: 40px;
}

.verify-steps h2 {
  margin-bottom: 8px;
}

.verify-steps > p {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.step-block {
  display: flex;
  gap: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  transition: box-shadow var(--transition);
}

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

.step-block .step-number {
  width: 40px;
  height: 40px;
  font-size: 16px;
}

.step-block h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-block p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin: 0;
}

.viewing-path {
  margin-bottom: 40px;
}

.viewing-path h2 {
  margin-bottom: 8px;
}

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

/* 反馈说明 */
.feedback-note {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 40px;
}

.feedback-note h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

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

.feedback-item {
  padding: 16px 20px;
  background-color: rgba(246, 244, 239, 0.6);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.feedback-item h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.feedback-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

/* 下一步入口 */
.next-entry {
  margin-top: 48px;
}

.next-entry h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

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

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

.entry-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

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

.entry-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.entry-card:hover .entry-card-title {
  color: var(--color-accent);
}

.entry-card-desc {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ---- policy 页 ---- */
.policy-section {
  margin-bottom: 40px;
  scroll-margin-top: 88px;
}

.policy-section h2 {
  font-size: 22px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.policy-section > p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

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

.policy-list li {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.policy-list h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.policy-list p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

.policy-figure {
  margin: 32px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.policy-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.policy-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-lighter);
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
}

.policy-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.policy-steps li {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.policy-steps h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.policy-steps p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

/* 相关链接卡片 */
.policy-links {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 16px;
}

.policy-links h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

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

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

.link-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background-color: rgba(183, 110, 121, 0.04);
  border: 1px solid rgba(183, 110, 121, 0.15);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: background-color var(--transition), border-color var(--transition);
}

.link-card:hover {
  background-color: rgba(183, 110, 121, 0.08);
  border-color: var(--color-accent);
}

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

.link-card:hover .link-card-title {
  color: var(--color-accent);
}

.link-card-desc {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ---- archive 页 ---- */
.archive-stage-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding: 16px 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.stage-anchor {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  background-color: rgba(176, 176, 176, 0.12);
  border-radius: 999px;
  transition: background-color var(--transition), color var(--transition);
  min-height: 36px;
}

.stage-anchor:hover {
  background-color: rgba(183, 110, 121, 0.1);
  color: var(--color-accent);
}

.archive-group {
  margin-bottom: 48px;
  scroll-margin-top: 88px;
}

.archive-group-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-border);
}

.archive-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.archive-item {
  display: flex;
  gap: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: box-shadow var(--transition);
}

.archive-item:hover {
  box-shadow: var(--shadow-md);
}

.archive-thumb {
  flex-shrink: 0;
  width: 160px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.archive-thumb img {
  width: 100%;
  height: 100px;
  object-fit: cover;
}

.archive-item-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.archive-date {
  font-size: 13px;
  color: var(--color-text-lighter);
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}

.archive-item-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.archive-item-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 10px;
}

.archive-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 999px;
}

.tag-category {
  background-color: rgba(163, 169, 180, 0.2);
  color: #5a6472;
}

.tag-featured {
  background-color: rgba(201, 154, 162, 0.2);
  color: #7a4a52;
}

.tag-guide {
  background-color: rgba(154, 174, 156, 0.2);
  color: #4f6953;
}

.archive-next-links {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 16px;
}

.archive-next-desc {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.archive-next-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---- 404 页 ---- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px 24px;
}

.error-panel {
  text-align: center;
  max-width: 560px;
  padding: 48px 40px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.error-code {
  font-size: 72px;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-panel h1 {
  font-size: 26px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 28px;
}

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

/* =========================================================
   Responsive —— 移动端适配
   ========================================================= */

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 32px;
  }

  .layout-shell.sidebar-right,
  .page-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 32px;
  }

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

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

@media (max-width: 900px) {
  /* 导航切换为汉堡 */
  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: 8px 24px 16px;
    gap: 0;
    z-index: 99;
  }

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

  .nav-list li a {
    padding: 12px 8px;
    border-bottom: 1px solid rgba(230, 226, 218, 0.6);
    font-size: 15px;
  }

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

  /* 首页首屏改单列 */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  /* 内页侧栏改单列 */
  .layout-shell.sidebar-right,
  .page-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .sidebar-inner {
    position: static;
  }

  /* 片单卡片单列 */
  .featured-card {
    flex-direction: column;
  }

  .featured-card img,
  .featured-card-media {
    width: 100%;
    height: 200px;
  }

  .featured-card-media img {
    height: 200px;
  }

  /* browse 重点条目单列 */
  .featured-row {
    flex-direction: column;
  }

  .featured-media {
    width: 100%;
  }

  .featured-img {
    height: 200px;
  }

  /* 首页速览条目 */
  .view-item {
    flex-direction: column;
  }

  .view-item img {
    width: 100%;
    height: 180px;
  }

  /* 页脚单列 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .next-cards,
  .next-links-group,
  .entry-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    height: 60px;
  }

  .nav-list {
    top: 60px;
  }

  .brand a {
    font-size: 18px;
  }

  h1 {
    font-size: 28px;
  }

  .hero-title {
    font-size: 28px;
  }

  .page-title {
    font-size: 28px;
  }

  .hero-figure img {
    height: 220px;
  }

  .quick-index {
    grid-template-columns: 1fr;
  }

  .hero-section {
    padding: 32px 0 40px;
  }

  .quick-view-section,
  .featured-collection-section,
  .guide-cta-section,
  .update-summary-section {
    padding: 40px 0;
  }

  .policy-summary-section {
    padding-bottom: 40px;
  }

  .guide-cta-inner,
  .policy-summary-inner {
    padding: 24px;
  }

  .cta-buttons,
  .guide-entry-actions,
  .archive-next-buttons,
  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .timeline-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .timeline-date {
    width: 100%;
  }

  .step-card {
    flex-direction: column;
    gap: 12px;
  }

  .step-number {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .step-block {
    flex-direction: column;
    gap: 12px;
  }

  .step-block .step-number {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  .path-figure img,
  .policy-figure img {
    height: 200px;
  }

  .archive-item {
    flex-direction: column;
  }

  .archive-thumb {
    width: 100%;
  }

  .archive-thumb img {
    height: 160px;
  }

  .archive-stage-bar {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .stage-anchor {
    flex-shrink: 0;
  }

  .channel-tagbar {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .channel-tag {
    flex-shrink: 0;
  }

  .featured-card-media img {
    height: 180px;
  }

  .featured-img {
    height: 180px;
  }

  .view-item img {
    height: 160px;
  }

  .error-panel {
    padding: 32px 24px;
  }

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

  .policy-list li,
  .policy-steps li,
  .feedback-item {
    padding: 16px;
  }

  .footer-inner {
    padding-top: 40px;
    padding-bottom: 32px;
  }

  .inner-main {
    padding-top: 28px;
    padding-bottom: 56px;
  }

  .breadcrumb {
    margin-bottom: 20px;
  }

  .page-header {
    margin-bottom: 32px;
  }
}

/* 滚动出现动画（不影响初始可见性） */
@media (prefers-reduced-motion: no-preference) {
  .index-card,
  .view-item,
  .compact-item,
  .featured-card,
  .step-card,
  .step-block,
  .archive-item,
  .faq-item {
    transition: box-shadow var(--transition), transform var(--transition);
  }
}