/* ============================================================
   星美传媒官网 · 整站样式表
   设计方向：酒店服务风（暖白背景 / 深墨正文 / 香槟金点缀）
   字体：衬线标题 + 无衬线正文
   ============================================================ */

/* ============================================================
   Base —— 基础变量、Reset、字体与通用元素
   ============================================================ */
:root {
  --bg-warm: #F7F4EF;
  --bg-card: #FFFFFF;
  --ink-deep: #1F2A24;
  --gold-accent: #B08D57;
  --line-soft: #E8E0D3;
  --green-status: #2E5A4E;
  --gold-status: #C08A4D;
  --text-body: #3A453F;
  --text-muted: #6B756F;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --shadow-card: 0 1px 4px rgba(31, 42, 36, 0.06);
  --shadow-hover: 0 6px 20px rgba(31, 42, 36, 0.08);
  --transition-base: 0.25s ease;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-warm);
  color: var(--ink-deep);
  line-height: 1.8;
  font-size: 15px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--ink-deep);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink-deep);
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 26px;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 16px;
}

p {
  color: var(--text-body);
}

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

.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 —— 全站骨架：页头、页脚、主容器、面包屑
   ============================================================ */
.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--bg-warm);
}

.site-header {
  background-color: rgba(31, 42, 36, 0.92);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.brand {
  flex-shrink: 0;
}

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

.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.02em;
}

.brand-tag {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  border-left: 1px solid rgba(255, 255, 255, 0.25);
  padding-left: 10px;
  line-height: 1.4;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  gap: 5px;
}

.toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #FFFFFF;
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base), color var(--transition-base);
}

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

.nav-list li a.is-current {
  color: #FFFFFF;
  background-color: rgba(176, 141, 87, 0.25);
  box-shadow: inset 0 -2px 0 var(--gold-accent);
}

.site-main {
  flex: 1;
  width: 100%;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

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

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

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

.page-header {
  margin-bottom: 32px;
  max-width: 820px;
}

.page-title {
  font-size: 32px;
  margin-bottom: 10px;
}

.page-description {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* 页脚 */
.site-footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--line-soft);
  margin-top: auto;
}

.footer-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
}

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

.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 360px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  margin-bottom: 12px;
  color: var(--ink-deep);
}

.footer-col ul li {
  margin-bottom: 6px;
}

.footer-col ul li a {
  font-size: 13px;
  color: var(--text-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--line-soft);
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================================
   Components —— 通用组件：文本链接、徽章、卡片、按钮
   ============================================================ */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gold-accent);
  margin-top: 16px;
}

.text-link::after {
  content: "→";
  transition: transform var(--transition-base);
}

.text-link:hover::after {
  transform: translateX(4px);
}

.section-head {
  margin-bottom: 28px;
}

.section-title {
  font-size: 26px;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 640px;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.section-heading p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 640px;
}

.meta-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
}

.status-green {
  background-color: rgba(46, 90, 78, 0.12);
  color: var(--green-status);
}

.status-gold {
  background-color: rgba(192, 138, 77, 0.14);
  color: var(--gold-status);
}

/* ============================================================
   Components —— 首页模块
   ============================================================ */
.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 64px;
}

/* 首屏焦点区 */
.hero-section {
  padding: 40px 0 48px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}

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

.hero-figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  min-height: 320px;
  box-shadow: var(--shadow-card);
}

.hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.hero-channels {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.hero-channels .section-title {
  font-size: 22px;
  margin-bottom: 16px;
}

.channel-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.channel-tag-list li a {
  display: block;
  padding: 6px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-body);
  background-color: #FFFFFF;
  transition: border-color var(--transition-base), color var(--transition-base), background-color var(--transition-base);
}

.channel-tag-list li a:hover {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
  background-color: rgba(176, 141, 87, 0.05);
}

.hero-note {
  margin-top: auto;
  padding-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.hero-latest {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.hero-latest .section-title {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

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

.latest-list li a {
  display: block;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.5;
}

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

.hero-latest .text-link {
  margin-top: auto;
  padding-top: 16px;
}

/* 频道更新日程 */
.channel-schedule {
  padding: 48px 0;
  border-top: 1px solid var(--line-soft);
}

.schedule-track {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
}

.date-rail {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px 0;
}

.date-rail::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: var(--line-soft);
}

.date-rail li {
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  z-index: 1;
  cursor: pointer;
  transition: opacity var(--transition-base);
}

.date-rail li:hover {
  opacity: 0.85;
}

.date-label {
  font-size: 13px;
  color: var(--text-muted);
  min-width: 64px;
  text-align: right;
  font-weight: 500;
}

.date-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 2px solid var(--gold-accent);
  transition: background-color var(--transition-base);
}

.date-rail li:hover .date-dot {
  background-color: var(--gold-accent);
}

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

.schedule-card {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

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

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

.schedule-card p:last-child {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 精选专题片单 */
.featured-collections {
  padding: 48px 0;
  border-top: 1px solid var(--line-soft);
}

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

.collection-card {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.collection-card figure {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

.collection-card h3 {
  font-size: 16px;
  padding: 16px 16px 4px;
}

.collection-card .meta-line {
  padding: 0 16px;
}

.collection-card > p {
  font-size: 13px;
  color: var(--text-muted);
  padding: 0 16px 16px;
  line-height: 1.6;
}

/* 观看入门引导 */
.guide-steps {
  padding: 48px 0;
  border-top: 1px solid var(--line-soft);
}

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

.step-item {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.step-item:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--gold-accent);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--gold-accent);
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 14px;
}

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

.step-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 更新动态摘要 */
.updates-summary {
  padding: 48px 0;
  border-top: 1px solid var(--line-soft);
}

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

.summary-list li article {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.summary-list li article:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--gold-accent);
}

.summary-list h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.summary-list article > p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 首页底部相关链接 */
.related-links {
  border-top: 1px solid var(--line-soft);
  padding: 24px 0;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.related-links-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.related-links-item {
  font-size: 14px;
  color: var(--ink-deep);
  padding: 6px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 100px;
  background-color: var(--bg-card);
  transition: border-color var(--transition-base), color var(--transition-base);
}

.related-links-item:hover {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
}

/* ============================================================
   Pages —— 内页模块
   ============================================================ */

/* ---------- 内页共用：大图头 ---------- */
.page-lead {
  margin-bottom: 40px;
}

.lead-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
}

.lead-figure {
  position: relative;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

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

.lead-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  margin-top: 12px;
}

.meta-item {
  font-size: 13px;
  color: var(--text-muted);
  padding: 4px 14px;
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 100px;
}

/* ---------- 频道导航 ---------- */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.channel-card {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

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

.channel-media {
  position: relative;
  aspect-ratio: 16 / 8;
  overflow: hidden;
}

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

.channel-body {
  padding: 20px 24px 24px;
  flex: 1;
}

.channel-body h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.channel-fields {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
}

.field-row::before {
  content: "";
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--gold-accent);
  margin-top: 10px;
}

.channel-note {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.note-inner {
  max-width: 800px;
}

.note-inner h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

.note-inner p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.note-inner p:last-child {
  margin-bottom: 0;
}

/* ---------- 专题片单 ---------- */
.page-lead .lead-figure figcaption {
  padding: 12px 4px;
  font-size: 13px;
  color: var(--text-muted);
}

.collection-grid {
  margin-bottom: 40px;
}

.collection-grid > h2 {
  font-size: 26px;
  margin-bottom: 24px;
}

.collection-grid .collection-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  margin-bottom: 24px;
}

.collection-media {
  position: relative;
  aspect-ratio: 16 / 10;
  min-height: 240px;
  overflow: hidden;
}

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

.collection-meta {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.collection-meta h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

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

.meta-list .meta-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: none;
  border: 0;
  padding: 0;
  font-size: 14px;
  border-radius: 0;
}

.meta-list dt {
  flex-shrink: 0;
  min-width: 72px;
  font-weight: 600;
  color: var(--ink-deep);
  font-size: 13px;
}

.meta-list dd {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.7;
  min-width: 0;
}

.collection-order-note {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.collection-order-note h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

.collection-order-note p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 12px;
  max-width: 800px;
}

.collection-order-note p:last-child {
  margin-bottom: 0;
}

/* ---------- 入门指南 ---------- */
.guide-steps-sequence {
  margin-bottom: 48px;
}

.guide-steps-sequence > h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.guide-steps-sequence > .section-desc {
  margin-bottom: 28px;
}

.steps-track {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.steps-track::before {
  content: "";
  position: absolute;
  left: 39px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background-color: var(--line-soft);
}

.step-card {
  display: flex;
  gap: 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  z-index: 1;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

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

.step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--gold-accent);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 15px;
  margin-top: 4px;
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-content h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.step-owner {
  font-size: 13px;
  color: var(--gold-accent);
  font-weight: 500;
  margin-bottom: 8px;
}

.step-content p:last-child {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.prepare-note {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 48px;
}

.prepare-note > h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.prepare-note > .section-desc {
  margin-bottom: 24px;
}

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

.prepare-list li {
  padding: 16px 20px;
  background-color: var(--bg-warm);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

.prepare-list h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.prepare-list p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.channel-collection-flow {
  margin-bottom: 48px;
}

.channel-collection-flow > h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.channel-collection-flow > .section-desc {
  margin-bottom: 24px;
}

.flow-block {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 16px;
}

.flow-block h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--gold-accent);
}

.flow-block p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 8px;
}

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

.record-rewatch-note {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.record-rewatch-note > h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.record-rewatch-note > .section-desc {
  margin-bottom: 24px;
}

.record-steps {
  padding: 16px 20px;
  border-left: 3px solid var(--gold-accent);
  margin-bottom: 16px;
}

.record-steps h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.record-steps p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.related-tip {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.related-tip a {
  color: var(--gold-accent);
  font-weight: 500;
}

/* ---------- 观看帮助 ---------- */
.faq-directory {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  margin-bottom: 40px;
}

.faq-directory h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-intro {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.directory-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 24px;
}

.directory-list li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-body);
  border-bottom: 1px dashed var(--line-soft);
  transition: color var(--transition-base), border-color var(--transition-base);
}

.directory-list li a::before {
  content: "·";
  font-size: 18px;
  color: var(--gold-accent);
  line-height: 1;
}

.directory-list li a:hover {
  color: var(--gold-accent);
  border-color: var(--gold-accent);
}

.faq-list {
  margin-bottom: 40px;
}

.faq-list > h2 {
  font-size: 26px;
  margin-bottom: 24px;
}

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

.faq-item[open] {
  border-color: var(--gold-accent);
}

.faq-item summary {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: color var(--transition-base);
}

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

.faq-item summary::before {
  content: "+";
  font-size: 18px;
  color: var(--gold-accent);
  font-weight: 400;
  line-height: 1;
  transition: transform var(--transition-base);
}

.faq-item[open] summary::before {
  content: "−";
}

.faq-item summary:hover {
  color: var(--gold-accent);
}

.faq-answer {
  padding: 0 24px 20px 48px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 8px;
}

.faq-answer p strong {
  display: block;
  font-size: 13px;
  color: var(--ink-deep);
  margin-bottom: 2px;
}

.more-help {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
}

.more-help h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.more-help > p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.help-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 24px;
}

.help-links li a {
  display: block;
  padding: 10px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-body);
  background-color: var(--bg-warm);
  transition: border-color var(--transition-base), color var(--transition-base);
}

.help-links li a:hover {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
}

/* ---------- 进阶技巧 ---------- */
.page-lead-visual {
  margin-bottom: 40px;
}

.page-lead-visual .lead-figure {
  aspect-ratio: 16 / 7;
}

.tips-groups {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-bottom: 48px;
}

.tips-group {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
}

.tips-group-head {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.tips-group-head h2 {
  font-size: 22px;
  margin-bottom: 6px;
}

.tips-scene {
  font-size: 13px;
  color: var(--gold-accent);
  font-weight: 500;
}

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

.tip-item {
  padding: 20px;
  background-color: var(--bg-warm);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base);
}

.tip-item:hover {
  border-color: var(--gold-accent);
}

.tip-item h3 {
  font-size: 15px;
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.tip-item h3::before {
  content: "◆";
  font-size: 10px;
  color: var(--gold-accent);
  margin-top: 6px;
}

.tip-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.adjacent-nav {
  border-top: 1px solid var(--line-soft);
  padding-top: 32px;
}

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

.adjacent-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.adjacent-link:hover {
  border-color: var(--gold-accent);
  box-shadow: var(--shadow-hover);
}

.adjacent-direction {
  font-size: 12px;
  color: var(--text-muted);
}

.adjacent-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-deep);
}

/* ---------- 更新动态 ---------- */
.lead-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
}

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

.version-track {
  margin-bottom: 48px;
}

.version-track > h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.version-track > .section-desc {
  margin-bottom: 28px;
}

.track-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.track-list::before {
  content: "";
  position: absolute;
  left: 71px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background-color: var(--line-soft);
}

.track-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  position: relative;
  z-index: 1;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.track-item:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--gold-accent);
}

.track-date {
  flex-shrink: 0;
  width: 48px;
  text-align: center;
  background-color: var(--bg-warm);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: 6px 0;
}

.date-day {
  display: block;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-deep);
  line-height: 1.2;
}

.date-month {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

.track-content {
  flex: 1;
  min-width: 0;
}

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

.track-impact,
.track-status {
  font-size: 13px;
  margin-bottom: 4px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.track-impact strong,
.track-status strong {
  color: var(--gold-accent);
  font-weight: 600;
}

.track-content > p:last-child {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 8px;
}

.impact-note {
  background-color: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.impact-note > h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.impact-note > .section-desc {
  margin-bottom: 24px;
}

.impact-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.impact-item {
  padding: 20px;
  background-color: var(--bg-warm);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

.impact-item h3 {
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--gold-accent);
}

.impact-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.impact-note .related-links {
  border-top: 1px solid var(--line-soft);
  border-bottom: 0;
  padding: 24px 0 0;
  margin-top: 8px;
}

.impact-note .related-links h3 {
  font-size: 16px;
  margin-bottom: 12px;
  width: 100%;
}

.impact-note .related-links ul {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.impact-note .related-links ul li a {
  display: block;
  padding: 8px 18px;
  border: 1px solid var(--line-soft);
  border-radius: 100px;
  background-color: var(--bg-card);
  font-size: 13px;
  color: var(--text-body);
  transition: border-color var(--transition-base), color var(--transition-base);
}

.impact-note .related-links ul li a:hover {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
}

/* ---------- 404 页面 ---------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1;
}

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

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

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

.error-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

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

.btn-back,
.btn-guide {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.btn-back {
  background-color: var(--ink-deep);
  color: #FFFFFF;
}

.btn-back:hover {
  background-color: var(--green-status);
  color: #FFFFFF;
}

.btn-guide {
  border: 1px solid var(--gold-accent);
  color: var(--gold-accent);
}

.btn-guide:hover {
  background-color: var(--gold-accent);
  color: #FFFFFF;
}

.error-tip {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================================
   Responsive —— 响应式适配（断点 1024px / 768px）
   ============================================================ */
@media (max-width: 1024px) {
  .header-inner {
    padding: 0 20px;
  }

  .home-main,
  .inner-main {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-layout {
    grid-template-columns: 1fr 1fr;
  }

  .hero-visual {
    grid-column: 1 / -1;
    aspect-ratio: 16 / 8;
  }

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

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

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

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

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

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

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

@media (max-width: 768px) {
  .site-header {
    position: sticky;
  }

  .header-inner {
    flex-wrap: wrap;
    padding: 12px 16px;
    gap: 8px;
  }

  .brand {
    margin-right: auto;
  }

  .nav-toggle {
    display: flex;
    order: 3;
    margin-left: auto;
  }

  .site-nav {
    order: 4;
    width: 100%;
    flex-basis: 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 8px 0;
    gap: 2px;
  }

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

  .nav-list li a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.9);
  }

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

  .hero-section {
    padding: 24px 0 32px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero-visual {
    grid-column: auto;
    aspect-ratio: 16 / 10;
  }

  .hero-channels,
  .hero-latest {
    padding: 20px 16px;
  }

  .schedule-track {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .date-rail {
    flex-direction: row;
    justify-content: flex-start;
    gap: 8px;
    padding: 0 4px;
    overflow-x: auto;
  }

  .date-rail::before {
    display: none;
  }

  .date-rail li {
    flex-shrink: 0;
    gap: 8px;
  }

  .date-label {
    min-width: auto;
    text-align: left;
  }

  .collection-scroll {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .step-item {
    padding: 20px 16px;
  }

  .page-header {
    margin-bottom: 20px;
  }

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

  .page-description {
    font-size: 14px;
  }

  .page-lead .lead-figure {
    aspect-ratio: 16 / 10;
  }

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

  .channel-body {
    padding: 16px 20px 20px;
  }

  .channel-note {
    padding: 24px;
  }

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

  .collection-media {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }

  .collection-meta {
    padding: 20px;
  }

  .collection-order-note {
    padding: 24px;
  }

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

  .prepare-note {
    padding: 24px;
  }

  .steps-track::before {
    left: 31px;
  }

  .step-card {
    gap: 16px;
    padding: 20px;
  }

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

  .record-rewatch-note {
    padding: 24px;
  }

  .faq-directory {
    padding: 24px;
  }

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

  .faq-item summary {
    padding: 16px 16px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 0 16px 16px 40px;
  }

  .more-help {
    padding: 24px;
  }

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

  .tips-group {
    padding: 24px;
  }

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

  .tips-groups {
    gap: 24px;
  }

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

  .track-list::before {
    left: 51px;
  }

  .track-item {
    gap: 16px;
    padding: 16px;
  }

  .track-date {
    width: 40px;
  }

  .impact-note {
    padding: 24px;
  }

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

  .footer-layout {
    padding: 32px 16px 24px;
    gap: 24px;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .footer-bottom {
    padding: 12px 16px;
  }

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

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

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

  .btn-back,
  .btn-guide {
    width: 200px;
    text-align: center;
  }
}