/* ============================================================
   base — 基础样式
   ============================================================ */
:root {
  --color-bg: #0d1117;
  --color-bg-soft: #161b22;
  --color-bg-card: #1f2937;
  --color-accent: #ff6b35;
  --color-accent-soft: rgba(255, 107, 53, 0.12);
  --color-text: #f5f5f5;
  --color-text-secondary: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-border: rgba(255, 255, 255, 0.08);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --radius: 8px;
  --transition: 0.25s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: #ff8a5c;
}

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.125rem;
}

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

.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 — 全站骨架
   ============================================================ */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
}

.site-header {
  background-color: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.brand-tag {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.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;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: background-color var(--transition), color var(--transition);
}

.nav-list li a:hover {
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.06);
}

.nav-list li a.is-current {
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  font-weight: 500;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle-icon {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  position: relative;
  transition: background-color 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s ease;
}

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

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

.site-main {
  flex: 1;
}

.site-footer {
  background-color: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  margin-top: 64px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}

.footer-brand .footer-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.footer-brand .footer-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================================
   components — 通用组件
   ============================================================ */
.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 24px 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

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

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

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

.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 8px;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.page-description {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 720px;
}

.section-title {
  font-size: 1.375rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.section-desc {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.section-intro {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  max-width: 720px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 500;
}

.text-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

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

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  transition: background-color var(--transition), color var(--transition);
}

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

.btn-primary:hover {
  background-color: #e55a24;
  color: #fff;
}

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

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================================
   pages / index — 首页
   ============================================================ */
.home-main {
  background-color: var(--color-bg);
}

.home-hero {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--color-text);
}

.hero-lead {
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-cta {
  display: inline-block;
  padding: 14px 32px;
  background-color: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 500;
  transition: background-color var(--transition);
}

.hero-cta:hover {
  background-color: #e55a24;
  color: #fff;
}

.hero-media figure {
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-bg-soft);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.section-head {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 8px;
}

.section-head h2 {
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.section-head p {
  color: var(--color-text-muted);
}

.channel-nav-section {
  border-top: 1px solid var(--color-border);
}

.channel-nav-section .section-head {
  padding-top: 48px;
}

.channel-tags {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.channel-tag {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: border-color var(--transition), color var(--transition),
    background-color var(--transition);
}

.channel-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

.latest-list-section {
  border-top: 1px solid var(--color-border);
}

.latest-list {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.latest-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--transition);
}

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

.item-type {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.latest-item a {
  display: block;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}

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

.item-summary {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.topic-cards-section {
  border-top: 1px solid var(--color-border);
}

.topic-cards {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.topic-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.topic-card:hover {
  border-color: var(--color-accent);
}

.topic-card figure {
  background-color: var(--color-bg-soft);
}

.topic-card figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.topic-card h3 {
  padding: 20px 20px 0;
  font-size: 1.125rem;
  color: var(--color-text);
}

.topic-card p {
  padding: 8px 20px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.topic-card a {
  display: inline-block;
  margin: 0 20px 20px;
  font-size: 0.9375rem;
  font-weight: 500;
}

.guide-entry-section {
  border-top: 1px solid var(--color-border);
}

.guide-entry-cards {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.guide-card {
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition);
}

.guide-card:hover {
  border-color: var(--color-accent);
}

.guide-card h3 {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.guide-card a {
  font-size: 0.9375rem;
  font-weight: 500;
}

/* ============================================================
   pages / channel-list — 频道分类
   ============================================================ */
.inner-main {
  background-color: var(--color-bg);
}

.page-channel-list .channel-tags {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 0;
}

.page-channel-list .channel-tags h2 {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.page-channel-list .channel-tags p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-list li a {
  display: inline-block;
  padding: 8px 18px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: border-color var(--transition), color var(--transition);
}

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

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

.channel-list > .section-title {
  margin-bottom: 8px;
}

.channel-list > .section-desc {
  margin-bottom: 32px;
}

.channel-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  transition: border-color var(--transition);
}

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

.channel-media {
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-bg-soft);
}

.channel-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.channel-info h3 {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.channel-info p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.channel-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
}

.channel-related {
  max-width: var(--container-width);
  margin: 48px auto 0;
  padding: 32px 24px;
  background-color: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.channel-related h2 {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.channel-related p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.channel-related ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.channel-related ul li a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.channel-related ul li a:hover {
  color: var(--color-accent);
}

/* ============================================================
   pages / viewing-guide — 观看指南
   ============================================================ */
.guide-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

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

.guide-steps {
  padding: 24px 0 8px;
}

.guide-steps h2 {
  font-size: 1.375rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

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

.step-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50%;
}

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

.step-body h3 {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.step-body p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.step-body .text-link {
  font-size: 0.875rem;
}

.guide-entry {
  padding: 32px 0 8px;
}

.guide-entry h2 {
  font-size: 1.375rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.entry-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 24px;
}

.entry-figure {
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-bg-soft);
}

.entry-figure img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.entry-text h3 {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.entry-text p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.entry-note {
  margin-top: 24px;
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.entry-note h3 {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 12px;
}

.entry-note ul li {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.entry-note ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.guide-feedback {
  padding: 32px 0 8px;
}

.guide-feedback h2 {
  font-size: 1.375rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.feedback-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.feedback-step {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.feedback-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 600;
}

.feedback-step h3 {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.feedback-step p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.guide-faq {
  padding: 32px 0 8px;
}

.guide-faq h2 {
  font-size: 1.375rem;
  color: var(--color-text);
  margin-bottom: 24px;
}

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

.faq-item summary {
  padding: 16px 20px;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 40px;
  transition: background-color var(--transition);
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}

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

.faq-item summary:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

.faq-item p {
  padding: 0 20px 16px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.guide-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 0 8px;
}

.aside-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.aside-card h3 {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 16px;
}

.aside-links li {
  margin-bottom: 12px;
}

.aside-links li a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.aside-links li a:hover {
  color: var(--color-accent);
}

/* ============================================================
   pages / short-film-topic — 短片专题
   ============================================================ */
.layout-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-short-film-topic .layout-shell {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

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

.topic-section {
  padding: 32px 0 8px;
}

.topic-section h2 {
  font-size: 1.375rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.topic-section .section-intro {
  margin-bottom: 24px;
}

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

.topic-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.topic-card:hover {
  border-color: var(--color-accent);
}

.topic-media {
  background-color: var(--color-bg-soft);
}

.topic-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.topic-content {
  padding: 20px;
}

.topic-content h3 {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.topic-content p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.topic-tag {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  padding: 4px 12px;
  border-radius: 999px;
}

.section-more {
  margin-top: 24px;
}

.section-more a {
  font-size: 0.9375rem;
  font-weight: 500;
}

.sidebar-area {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px 0 8px;
}

.sidebar-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.sidebar-card h2 {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 12px;
}

.sidebar-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.sidebar-card a {
  font-size: 0.9375rem;
  font-weight: 500;
}

.related-links {
  margin-top: 8px;
}

.related-links li {
  margin-bottom: 12px;
}

.related-links li a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.related-links li a:hover {
  color: var(--color-accent);
}

/* ============================================================
   pages / creator-spotlight — 创作者
   ============================================================ */
.sidebar-left {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  align-items: start;
}

.page-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px 0 8px;
}

.page-aside .aside-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.page-aside .aside-card h2 {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 12px;
}

.page-aside .aside-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.page-aside .aside-card .text-link {
  font-size: 0.875rem;
}

.page-aside .aside-links li {
  margin-bottom: 12px;
}

.page-aside .aside-links li a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.page-aside .aside-links li a:hover {
  color: var(--color-accent);
}

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

.creator-section {
  padding: 32px 0 8px;
}

.creator-section h2 {
  font-size: 1.375rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.creator-section > p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

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

.creator-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--transition);
}

.creator-card:hover {
  border-color: var(--color-accent);
}

.creator-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 16px;
  background-color: var(--color-bg-soft);
}

.creator-card h3 {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.creator-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 8px;
}

.feature-item {
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
}

.feature-item h3 {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: 6px;
}

.feature-item p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.entry-list li {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.entry-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

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

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

.error-code {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-box h1 {
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.error-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}

.error-links a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

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

/* ============================================================
   responsive — 响应式
   ============================================================ */
@media (max-width: 1024px) {
  .creator-card-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 900px) {
  .home-hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 40px;
  }

  .hero-content {
    order: 1;
  }

  .hero-media {
    order: 2;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

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

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

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

  .page-short-film-topic .layout-shell {
    grid-template-columns: 1fr;
  }

  .sidebar-left {
    grid-template-columns: 1fr;
  }

  .page-aside {
    order: 2;
    padding-top: 0;
  }

  .page-main-content {
    order: 1;
  }

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

@media (max-width: 768px) {
  .header-inner {
    height: 56px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background-color: var(--color-bg-soft);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px;
    gap: 4px;
  }

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

  .nav-list li a {
    padding: 12px 16px;
  }

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

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

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

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

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

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

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

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

  .page-header {
    padding-top: 24px;
  }

  .page-title {
    font-size: 1.625rem;
  }

  .breadcrumb {
    padding-top: 16px;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0 16px;
  }

  .brand-tag {
    display: none;
  }

  .layout-shell {
    padding: 0 16px;
  }

  .section-head,
  .page-header,
  .breadcrumb {
    padding-left: 16px;
    padding-right: 16px;
  }

  .channel-tags,
  .latest-list,
  .topic-cards,
  .guide-entry-cards {
    padding-left: 16px;
    padding-right: 16px;
  }

  .home-hero {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }

  .hero-lead {
    font-size: 1.0625rem;
  }

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

  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .footer-bottom {
    padding: 16px;
  }

  .error-code {
    font-size: 3rem;
  }

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

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .step-item {
    gap: 16px;
  }

  .step-number {
    width: 36px;
    height: 36px;
    font-size: 0.9375rem;
  }

  .channel-related {
    padding-left: 16px;
    padding-right: 16px;
  }
}