@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:wght@400;600;700&family=EB+Garamond:wght@400;500;600;700;800&display=swap');

/* ==============================
   CSS 自定义属性
   ============================== */
:root {
  --c-bg: #1a1a2e;
  --c-gold: #c9a84c;
  --c-cream: #e8e0d0;
  --c-bg-2: #16213e;
  --c-bg-3: #0f3460;
  --c-gold-dim: rgba(201, 168, 76, 0.18);
  --c-gold-mid: rgba(201, 168, 76, 0.45);
  --c-cream-dim: rgba(232, 224, 208, 0.12);
  --c-cream-mid: rgba(232, 224, 208, 0.55);
  --c-text: #e8e0d0;
  --c-text-dim: rgba(232, 224, 208, 0.65);
  --c-border: rgba(201, 168, 76, 0.25);
  --nav-h: 64px;
  --font-serif: 'EB Garamond', 'Crimson Text', 'Georgia', 'Times New Roman', serif;
  --font-ui: 'Crimson Text', 'EB Garamond', 'Georgia', serif;
  --radius: 0px;
  --content-max: 860px;
  --wrap-max: 1200px;
  --gap: clamp(16px, 4vw, 40px);
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==============================
   重置与基础
   ============================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 18px;
}

body {
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

a {
  color: var(--c-gold);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover {
  color: var(--c-cream);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

ul, ol, menu {
  list-style: none;
}

/* ==============================
   排版
   ============================== */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--c-cream);
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2rem, 6vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.4rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1em; }

time.art-date {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--c-gold);
  font-family: var(--font-ui);
  letter-spacing: 0.05em;
  margin-right: 1em;
}

/* ==============================
   包裹容器
   ============================== */
.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gap);
  padding-right: var(--gap);
}

/* ==============================
   Kinetic 标题动效
   ============================== */
@keyframes kinetic-reveal {
  from {
    opacity: 0;
    transform: translateY(32px) skewY(2deg);
    letter-spacing: 0.15em;
  }
  to {
    opacity: 1;
    transform: translateY(0) skewY(0deg);
    letter-spacing: 0.01em;
  }
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes typing-cursor {
  0%, 100% { border-color: var(--c-gold); }
  50% { border-color: transparent; }
}

.kinetic-h1 {
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-cream) 50%, var(--c-gold) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: kinetic-reveal 0.9s cubic-bezier(0.16, 1, 0.3, 1) both,
             gradient-shift 4s ease infinite;
}

/* ==============================
   导航
   ============================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 26, 46, 0.92);
  border-bottom: 1px solid var(--c-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-details {
  position: relative;
}

.nav-details > summary {
  list-style: none;
  cursor: default;
}

.nav-details > summary::-webkit-details-marker {
  display: none;
}

.nav-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 var(--gap);
  gap: 12px;
}

.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-right {
  justify-content: flex-end;
}

.nav-left li a,
.nav-right li a {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  font-size: 0.82rem;
  font-family: var(--font-ui);
  color: var(--c-cream-mid);
  white-space: nowrap;
  letter-spacing: 0.03em;
  transition: color var(--transition);
  min-height: 40px;
  border-bottom: 2px solid transparent;
}

.nav-left li a:hover,
.nav-right li a:hover,
.nav-left li a[aria-current="page"],
.nav-right li a[aria-current="page"] {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom-color: var(--c-gold);
}

.brand-center {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-text {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--c-gold);
  letter-spacing: 0.04em;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--c-gold), var(--c-cream));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-logo-mark {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--c-border);
  cursor: pointer;
  padding: 10px;
  min-height: 40px;
  min-width: 40px;
  flex-shrink: 0;
  transition: border-color var(--transition);
}

.nav-hamburger:hover {
  border-color: var(--c-gold);
}

.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--c-gold);
  transition: transform var(--transition), opacity var(--transition);
}

/* 全屏遮罩菜单 */
.nav-fullscreen-menu {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 46, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 200;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 40px 20px;
  overflow-y: auto;
}

.nav-details[open] .nav-fullscreen-menu {
  display: flex;
}

.nav-fullscreen-menu li {
  width: 100%;
  max-width: 480px;
  border-bottom: 1px solid var(--c-border);
}

.fs-menu-link {
  display: block;
  padding: 18px 24px;
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  font-weight: 600;
  color: var(--c-cream);
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
  min-height: 56px;
  display: flex;
  align-items: center;
}

.fs-menu-link:hover {
  color: var(--c-gold);
  padding-left: 36px;
  text-decoration: none;
}

.menu-close-row {
  text-align: right;
  border-bottom: none !important;
  width: 100%;
  max-width: 480px;
  margin-bottom: 16px;
}

.menu-close {
  background: none;
  border: 1px solid var(--c-border);
  color: var(--c-cream-mid);
  padding: 10px 20px;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  cursor: pointer;
  min-height: 40px;
  transition: color var(--transition), border-color var(--transition);
}

.menu-close:hover {
  color: var(--c-gold);
  border-color: var(--c-gold);
}

.menu-search-row {
  border-top: 1px solid var(--c-border);
  border-bottom: none !important;
  margin-top: 16px;
  width: 100%;
  max-width: 480px;
}

.nav-search {
  display: flex;
  gap: 0;
  padding: 16px 0;
}

.nav-search input {
  flex: 1;
  background: var(--c-cream-dim);
  border: 1px solid var(--c-border);
  border-right: none;
  color: var(--c-cream);
  padding: 12px 16px;
  font-family: var(--font-ui);
  font-size: 1rem;
  min-height: 44px;
  outline: none;
}

.nav-search input::placeholder {
  color: var(--c-text-dim);
}

.nav-search input:focus {
  border-color: var(--c-gold);
}

.nav-search button {
  background: var(--c-gold);
  border: 1px solid var(--c-gold);
  color: var(--c-bg);
  padding: 12px 20px;
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 44px;
  transition: background var(--transition);
}

.nav-search button:hover {
  background: var(--c-cream);
  border-color: var(--c-cream);
}

/* ==============================
   锚点条（栏目页）
   ============================== */
.anchor-bar {
  background: var(--c-bg-2);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: var(--nav-h);
  z-index: 90;
  overflow-x: auto;
  scrollbar-width: none;
}

.anchor-bar::-webkit-scrollbar { display: none; }

.anchor-bar-inner {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.anchor-link {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  font-size: 0.85rem;
  color: var(--c-cream-mid);
  white-space: nowrap;
  border-right: 1px solid var(--c-border);
  min-height: 44px;
  transition: color var(--transition), background var(--transition);
}

.anchor-link:hover {
  color: var(--c-gold);
  background: var(--c-gold-dim);
  text-decoration: none;
}

/* ==============================
   Hero（首页）
   ============================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(201,168,76,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(15,52,96,0.6) 0%, transparent 60%);
}

.hero-inner {
  position: relative;
  width: 100%;
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 40px) var(--gap) 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  min-height: 100vh;
}

.hero-text-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--c-gold);
  text-transform: uppercase;
  font-family: var(--font-ui);
  border-left: 3px solid var(--c-gold);
  padding-left: 12px;
  margin-bottom: 4px;
}

.hero-h1 {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--c-text-dim);
  max-width: 480px;
  line-height: 1.8;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--c-gold);
  color: var(--c-bg);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  border: 2px solid var(--c-gold);
  min-height: 48px;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--c-cream);
  border-color: var(--c-cream);
  color: var(--c-bg);
  text-decoration: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: transparent;
  color: var(--c-gold);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.04em;
  border: 2px solid var(--c-gold);
  min-height: 48px;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--c-gold);
  color: var(--c-bg);
  text-decoration: none;
}

.hero-img-col {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.hero-img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  border: 1px solid var(--c-border);
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}

.hero-decoration {
  position: absolute;
  bottom: -20px;
  left: -20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  padding: 16px 20px;
}

.deco-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-gold);
  font-family: var(--font-serif);
  line-height: 1;
}

.deco-line {
  display: block;
  width: 40px;
  height: 2px;
  background: var(--c-gold);
}

.deco-label {
  font-size: 0.75rem;
  color: var(--c-text-dim);
  letter-spacing: 0.08em;
}

/* ==============================
   主内容布局
   ============================== */
.home-content-wrap {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding-top: 60px;
  padding-bottom: 80px;
  align-items: start;
}

.home-primary {
  min-width: 0;
}

.content-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding-top: 40px;
  padding-bottom: 80px;
  align-items: start;
}

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

/* ==============================
   Aside 侧边栏
   ============================== */
.content-aside,
.home-aside {
  position: sticky;
  top: calc(var(--nav-h) + 16px);
  background: rgba(22, 33, 62, 0.7);
  border: 1px solid var(--c-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: calc(100vh - var(--nav-h) - 32px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--c-border) transparent;
}

.aside-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-cream);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.aside-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.aside-menu li a {
  display: flex;
  align-items: center;
  padding: 9px 10px;
  font-size: 0.9rem;
  color: var(--c-cream-mid);
  border-left: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition), padding-left var(--transition);
  min-height: 40px;
}

.aside-menu li a:hover {
  color: var(--c-gold);
  border-left-color: var(--c-gold);
  padding-left: 16px;
  text-decoration: none;
}

.aside-sub-title {
  font-size: 0.78rem;
  color: var(--c-gold);
  letter-spacing: 0.08em;
  margin-top: 12px;
  margin-bottom: 4px;
  font-family: var(--font-ui);
}

.aside-extra {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--c-border);
}

.aside-link {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  font-size: 0.85rem;
  color: var(--c-text-dim);
  min-height: 40px;
  border-left: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.aside-link:hover {
  color: var(--c-gold);
  border-left-color: var(--c-gold);
  text-decoration: none;
}

/* ==============================
   Eyebrow / small 标题装饰
   ============================== */
small.eyebrow-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--c-gold);
  text-transform: uppercase;
  font-family: var(--font-ui);
  margin-bottom: 6px;
  padding-left: 10px;
  border-left: 2px solid var(--c-gold);
}

/* ==============================
   Section 公共样式
   ============================== */
.section-header {
  margin-bottom: 32px;
}

.section-title {
  color: var(--c-cream);
}

/* ==============================
   频道卡片（首页）
   ============================== */
.channels-section {
  padding: 48px 0;
  border-top: 1px solid var(--c-border);
}

.channel-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
}

.channel-card {
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  border-bottom: 3px solid transparent;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition);
  position: relative;
}

.channel-card:hover {
  background: var(--c-bg-2);
  border-bottom-color: var(--c-gold);
  text-decoration: none;
}

.card-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-gold-mid);
  font-family: var(--font-serif);
  line-height: 1;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-cream);
  line-height: 1.3;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--c-text-dim);
  line-height: 1.5;
  flex: 1;
}

.card-arrow {
  font-size: 1.2rem;
  color: var(--c-gold);
  align-self: flex-end;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--transition), transform var(--transition);
}

.channel-card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ==============================
   最新文章列表（首页 dl）
   ============================== */
.latest-section {
  padding: 48px 0;
  border-top: 1px solid var(--c-border);
}

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

.latest-dt {
  padding: 16px 20px 4px;
  font-size: 1rem;
  font-weight: 700;
}

.latest-dt a {
  color: var(--c-cream);
  transition: color var(--transition);
}

.latest-dt a:hover {
  color: var(--c-gold);
  text-decoration: none;
}

.latest-dd {
  padding: 4px 20px 16px;
  font-size: 0.88rem;
  color: var(--c-text-dim);
  border-bottom: 1px solid var(--c-border);
}

.latest-list dt:last-of-type + dd {
  border-bottom: none;
}

/* ==============================
   首页正文
   ============================== */
.page-content-block {
  padding: 0 0 40px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 40px;
}

/* ==============================
   栏目页 Hero
   ============================== */
.channel-main {
  padding-bottom: 0;
}

.channel-hero {
  position: relative;
  padding: 80px 0 60px;
  margin-bottom: 0;
  overflow: hidden;
}

.channel-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.channel-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent, var(--c-bg) 100%);
}

.channel-hero-text {
  position: relative;
  z-index: 1;
}

.channel-h1 {
  margin-top: 8px;
}

/* ==============================
   子页列表（栏目页 dl > dt > a）
   ============================== */
.ch-children-section {
  padding: 40px 0;
  border-top: 1px solid var(--c-border);
}

.child-list {
  border: 1px solid var(--c-border);
}

.child-dt {
  padding: 16px 20px 4px;
  font-size: 1rem;
  font-weight: 700;
  border-bottom: none;
}

.child-dt a {
  color: var(--c-cream);
  transition: color var(--transition);
}

.child-dt a:hover {
  color: var(--c-gold);
  text-decoration: none;
}

.child-dd {
  padding: 4px 20px 16px;
  font-size: 0.88rem;
  color: var(--c-text-dim);
  border-bottom: 1px solid var(--c-border);
}

/* ==============================
   文章页
   ============================== */
.article-main,
.about-main,
.privacy-main {
  padding-bottom: 0;
}

.article-header,
.about-header,
.privacy-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 40px;
}

.article-h1,
.about-h1,
.channel-h1,
.privacy-h1 {
  margin-top: 8px;
}

.article-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.article-hero-wrap {
  margin-top: 24px;
}

.article-hero-img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border: 1px solid var(--c-border);
}

.article-content,
.about-content,
.privacy-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-text);
}

.article-content h2,
.about-content h2,
.privacy-content h2 {
  margin-top: 2em;
  margin-bottom: 0.6em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
}

.article-content h3,
.about-content h3,
.privacy-content h3 {
  margin-top: 1.6em;
  margin-bottom: 0.5em;
}

.article-content p,
.about-content p,
.privacy-content p {
  margin-bottom: 1.2em;
}

.article-content ul,
.about-content ul,
.privacy-content ul {
  list-style: disc;
  padding-left: 1.5em;
  margin-bottom: 1em;
}

.article-content ol,
.about-content ol,
.privacy-content ol {
  list-style: decimal;
  padding-left: 1.5em;
  margin-bottom: 1em;
}

.article-content li,
.about-content li,
.privacy-content li {
  margin-bottom: 0.4em;
}

.article-content a,
.about-content a,
.privacy-content a {
  color: var(--c-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==============================
   面包屑
   ============================== */
.breadcrumb {
  padding: 16px 0;
  border-bottom: 1px solid var(--c-border);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--c-text-dim);
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb-list li:not(:last-child)::after {
  content: '›';
  margin-left: 8px;
  color: var(--c-gold);
}

.breadcrumb-list a {
  color: var(--c-gold);
}

.breadcrumb-list [aria-current] {
  color: var(--c-text-dim);
}

/* ==============================
   关于页
   ============================== */
.about-channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  margin-top: 16px;
}

.about-channel-card {
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 16px;
  border-bottom: 3px solid transparent;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition);
}

.about-channel-card:hover {
  background: var(--c-bg-2);
  border-bottom-color: var(--c-gold);
  text-decoration: none;
}

.about-nav-links {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--c-border);
}

.about-nav-title {
  margin-top: 8px;
  margin-bottom: 16px;
}

/* ==============================
   隐私页
   ============================== */
.privacy-nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--c-border);
}

/* ==============================
   页脚
   ============================== */
.site-footer {
  background: var(--c-bg-2);
  border-top: 1px solid var(--c-border);
  margin-top: 80px;
}

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

.footer-dl {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--c-gold);
  padding-bottom: 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
  letter-spacing: 0.04em;
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--c-text-dim);
  line-height: 1.6;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--c-cream);
  letter-spacing: 0.05em;
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--c-border);
}

.footer-dl dd {
  padding: 4px 0;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--c-text-dim);
  min-height: 32px;
  transition: color var(--transition), padding-left var(--transition);
}

.footer-link:hover {
  color: var(--c-gold);
  padding-left: 8px;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--c-border);
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 20px var(--gap);
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--c-text-dim);
  text-align: center;
  letter-spacing: 0.04em;
}

/* ==============================
   Scroll Reveal 动效
   ============================== */
.reveal-section,
.reveal-card {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-card {
  transition-delay: var(--delay, 0ms);
}

.reveal-section.is-visible,
.reveal-card.is-visible {
  opacity: 1;
  transform: none;
}

/* ==============================
   Hover 微交互
   ============================== */
.channel-card,
.about-channel-card,
.btn-primary,
.btn-secondary {
  position: relative;
  overflow: hidden;
}

.channel-card::before,
.about-channel-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--c-gold-dim), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.channel-card:hover::before,
.about-channel-card:hover::before {
  opacity: 1;
}

/* ==============================
   prefers-reduced-motion
   ============================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal-section,
  .reveal-card {
    opacity: 1;
    transform: none;
  }
  .kinetic-h1 {
    animation: none;
  }
}

/* ==============================
   移动端断点
   ============================== */
@media (max-width: 900px) {
  :root { --nav-h: 58px; }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    min-height: 100vh;
    padding-top: calc(var(--nav-h) + 32px);
  }

  .hero-img-col {
    display: none;
  }

  .home-content-wrap,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .content-aside,
  .home-aside {
    position: static;
    max-height: none;
  }

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

  .footer-col.footer-brand-col {
    grid-column: 1 / -1;
  }

  .nav-left li:nth-child(n+3),
  .nav-right li:nth-child(n+3) {
    display: none;
  }
}

@media (max-width: 600px) {
  html { font-size: 17px; }

  :root { --nav-h: 56px; }

  .nav-left,
  .nav-right {
    display: none;
  }

  .brand-center {
    margin: 0 auto;
  }

  .nav-bar-inner {
    justify-content: space-between;
  }

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

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

  .hero-cta-row {
    flex-direction: column;
    gap: 12px;
  }

  .btn-primary,
  .btn-secondary {
    justify-content: center;
  }

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

  .anchor-bar-inner {
    gap: 0;
  }
}

@media (max-width: 375px) {
  html { font-size: 16px; }

  .hero-h1 { font-size: 1.9rem; }
}