@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@300;400;500;600;700&family=Russo+One&display=swap');

/* ===== 基础变量 ===== */
:root {
  --green: #87ff71;
  --yellow: #ffce5c;
  --dark: #192617;
  --dark2: #1e2e1a;
  --dark3: #253321;
  --text: #e8f5e4;
  --text-muted: #a3c49a;
  --glass-bg: rgba(25,38,23,0.72);
  --glass-border: rgba(135,255,113,0.18);
  --card-radius: 4px;
  --font-head: 'Russo One', 'Chakra Petch', system-ui, sans-serif;
  --font-body: 'Chakra Petch', system-ui, sans-serif;
  --max-w: 1140px;
  --nav-h: 100px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--dark);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { color: var(--yellow); }
ul { list-style: none; }

/* ===== Memphis 背景图案 ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 28px,
      rgba(135,255,113,0.04) 28px,
      rgba(135,255,113,0.04) 29px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 28px,
      rgba(255,206,92,0.03) 28px,
      rgba(255,206,92,0.03) 29px
    );
}

.site-wrap { position: relative; z-index: 1; }

/* ===== 站点顶部 header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(25,38,23,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--green);
}

.header-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px dashed rgba(135,255,113,0.25);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo { width: 36px; height: 36px; object-fit: contain; }

.brand-name {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--green);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* 搜索框 */
.header-search {
  display: flex;
  align-items: center;
  gap: 0;
  border: 2px solid var(--green);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.header-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 8px 12px;
  width: 200px;
}

.header-search input::placeholder { color: var(--text-muted); }

.header-search button {
  background: var(--green);
  border: none;
  color: var(--dark);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 8px 14px;
  cursor: pointer;
  min-height: 40px;
  transition: background 0.2s;
}

.header-search button:hover { background: var(--yellow); }

/* 导航 details/summary/menu */
.site-nav { padding: 0 24px; }

.nav-details { }

.nav-details[open] > .nav-summary::after { content: '▲'; }
.nav-summary::after { content: '▼'; margin-left: 6px; font-size: 0.7rem; }

.nav-summary {
  display: none; /* 桌面隐藏 summary，始终展开 */
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 4px 0;
}

.nav-menu li a {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  border-bottom: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  min-height: 40px;
  display: flex;
  align-items: center;
}

.nav-menu li a:hover,
.nav-menu li a[aria-current="page"] {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ===== 玻璃拟态卡片基础 ===== */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  border-radius: var(--card-radius);
  padding: 24px;
}

/* ===== 几何装饰形状 ===== */
.shape {
  position: absolute;
  pointer-events: none;
}

.shape-tri-1 {
  width: 0; height: 0;
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 104px solid rgba(135,255,113,0.15);
  top: 10%;
  right: 8%;
  transform: rotate(15deg);
  animation: floatShape 6s ease-in-out infinite;
}

.shape-circle-1 {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: rgba(255,206,92,0.12);
  border: 3px dashed rgba(255,206,92,0.4);
  top: 30%;
  right: 15%;
  animation: spinShape 12s linear infinite;
}

.shape-rect-1 {
  width: 40px; height: 40px;
  background: rgba(135,255,113,0.1);
  border: 2px solid rgba(135,255,113,0.3);
  bottom: 20%;
  right: 5%;
  transform: rotate(30deg);
  animation: floatShape 8s ease-in-out infinite reverse;
}

.shape-squig {
  width: 100px; height: 40px;
  border: 3px solid rgba(255,206,92,0.35);
  border-radius: 50%;
  top: 60%;
  right: 12%;
  transform: rotate(-20deg);
  animation: floatShape 7s ease-in-out infinite 2s;
}

.shape-tri-sm {
  width: 0; height: 0;
  border-left: 30px solid transparent;
  border-right: 30px solid transparent;
  border-bottom: 52px solid rgba(255,206,92,0.2);
  top: 20%;
  right: 5%;
  transform: rotate(-10deg);
}

.shape-dot-grid {
  width: 120px; height: 120px;
  background-image: radial-gradient(circle, rgba(135,255,113,0.35) 2px, transparent 2px);
  background-size: 14px 14px;
  bottom: 10%;
  left: 2%;
}

.shape-about-1 {
  width: 0; height: 0;
  border-left: 50px solid transparent;
  border-right: 50px solid transparent;
  border-bottom: 86px solid rgba(135,255,113,0.12);
  top: 15%;
  right: 10%;
  transform: rotate(25deg);
}

.shape-about-2 {
  width: 60px; height: 60px;
  border-radius: 50%;
  border: 4px dotted rgba(255,206,92,0.35);
  bottom: 20%;
  left: 5%;
}

@keyframes floatShape {
  0%, 100% { transform: translateY(0) rotate(15deg); }
  50% { transform: translateY(-16px) rotate(15deg); }
}

@keyframes spinShape {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== Hero（首页） ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--dark2) 0%, var(--dark3) 60%, #0d1a0c 100%);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  margin-bottom: -60px;
}

.hero-bg-shapes { position: absolute; inset: 0; overflow: hidden; }

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

.hero-media .hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  mix-blend-mode: luminosity;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding: 120px 48px 160px;
  text-align: left;
}

.hero-badge {
  display: inline-block;
  background: var(--yellow);
  color: var(--dark);
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 20px;
  transform: rotate(-1deg);
}

.hero-h1 {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.1;
  color: var(--green);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
  max-width: 480px;
}

.hero-btn {
  display: inline-block;
  background: var(--green);
  color: var(--dark);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--card-radius);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.2s;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
}

.hero-btn:hover {
  background: var(--yellow);
  color: var(--dark);
  transform: translateY(-3px);
}

.hero-slash {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--dark);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

/* ===== 通用容器 ===== */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== section title ===== */
.section-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  letter-spacing: 0.02em;
}

.section-num {
  font-size: 0.78rem;
  background: var(--yellow);
  color: var(--dark);
  padding: 3px 10px;
  border-radius: 2px;
  font-family: var(--font-head);
  letter-spacing: 0.08em;
}

/* ===== 首页 channel cards ===== */
.home-intro { padding: 80px 0 40px; }

.channels-section { padding: 40px 0; }

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

.channel-card {
  display: block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  text-decoration: none;
  position: relative;
}

.channel-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--green);
}

.channel-card:nth-child(2)::before { background: var(--yellow); }
.channel-card:nth-child(3)::before { background: linear-gradient(90deg, var(--green), var(--yellow)); }

.channel-card:hover {
  transform: translateY(-6px);
  border-color: var(--green);
  box-shadow: 0 12px 40px rgba(135,255,113,0.18);
}

.channel-card-inner { padding: 28px; }

.channel-card-title {
  display: block;
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--green);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.channel-card-desc {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.channel-card-count {
  display: inline-block;
  font-size: 0.78rem;
  background: rgba(135,255,113,0.12);
  color: var(--green);
  padding: 2px 8px;
  border-radius: 2px;
  margin-bottom: 12px;
}

.channel-card-arrow {
  display: block;
  font-size: 1.2rem;
  color: var(--yellow);
  text-align: right;
  transition: transform 0.2s;
}

.channel-card:hover .channel-card-arrow { transform: translateX(6px); }

/* ===== 首页最近文章 ===== */
.recent-section { padding: 40px 0 80px; }

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

.recent-card {
  display: block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 20px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
  position: relative;
}

.recent-card:hover {
  border-color: var(--yellow);
  transform: translateY(-4px);
}

.recent-card-label {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--dark);
  background: var(--yellow);
  padding: 2px 7px;
  border-radius: 2px;
  font-family: var(--font-head);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.recent-card-title {
  display: block;
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-weight: 600;
}

.recent-card-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===== channel hero ===== */
.channel-hero {
  position: relative;
  background: linear-gradient(135deg, var(--dark3) 0%, var(--dark2) 100%);
  padding: 80px 24px 60px;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
  margin-bottom: 32px;
}

.channel-hero-shapes { position: absolute; inset: 0; }

.channel-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.channel-eyebrow {
  display: inline-block;
  background: var(--green);
  color: var(--dark);
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.channel-h1 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--green);
  margin-bottom: 16px;
  line-height: 1.15;
}

.channel-lead {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}

/* ===== channel children ===== */
.channel-intro-section { padding: 20px 0 40px; }
.channel-children-section { padding: 20px 0 80px; }

.child-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.child-card {
  display: flex;
  align-items: stretch;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.child-card:hover {
  border-color: var(--green);
  transform: translateX(6px);
  box-shadow: -4px 0 0 var(--green);
}

.child-card-img {
  width: 160px;
  flex-shrink: 0;
  overflow: hidden;
}

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

.child-card-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.child-card-num {
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: rgba(135,255,113,0.25);
  line-height: 1;
}

.child-card-title {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.child-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.child-card-date {
  font-size: 0.78rem;
  color: rgba(163,196,154,0.6);
  margin-top: auto;
}

/* ===== article ===== */
.article-wrap { padding-top: 40px; padding-bottom: 80px; }

.article-section {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}

.article-body { }

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

.article-meta-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.breadcrumb-link {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.breadcrumb-link:hover { color: var(--green); }

.breadcrumb-sep {
  font-size: 0.7rem;
  color: rgba(163,196,154,0.4);
}

.article-date-badge {
  display: inline-block;
  background: rgba(255,206,92,0.15);
  color: var(--yellow);
  border: 1px solid rgba(255,206,92,0.3);
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 2px;
  font-family: var(--font-body);
}

.article-h1 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.2;
}

.article-lead {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  border-left: 3px solid var(--green);
  padding-left: 16px;
}

.article-hero-wrap {
  border-radius: var(--card-radius);
  overflow: hidden;
  margin-bottom: 28px;
}

.article-hero-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

.article-updated {
  margin-top: 32px;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px dashed rgba(135,255,113,0.2);
  padding-top: 16px;
}

/* 正文内容区 */
.page-content { font-size: 1rem; line-height: 1.8; }

.page-content h2 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--green);
  margin: 36px 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--yellow);
}

.page-content h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin: 24px 0 10px;
}

.page-content p { margin-bottom: 16px; }

.page-content ul, .page-content ol {
  padding-left: 1.4em;
  margin-bottom: 16px;
  list-style: revert;
}

.page-content li { margin-bottom: 6px; }

.page-content a { color: var(--green); border-bottom: 1px dashed rgba(135,255,113,0.4); }
.page-content a:hover { color: var(--yellow); border-bottom-color: var(--yellow); }

.page-content blockquote {
  border-left: 4px solid var(--yellow);
  background: rgba(255,206,92,0.07);
  padding: 14px 18px;
  border-radius: 0 var(--card-radius) var(--card-radius) 0;
  margin: 20px 0;
  color: var(--text-muted);
  font-style: italic;
}

.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.9rem;
}

.page-content th {
  background: var(--green);
  color: var(--dark);
  padding: 10px 14px;
  font-family: var(--font-head);
  text-align: left;
}

.page-content td {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(135,255,113,0.1);
  vertical-align: top;
}

.page-content tr:nth-child(even) td { background: rgba(135,255,113,0.04); }

/* ===== 文章侧边related ===== */
.article-related {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}

.related-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.related-links { display: flex; flex-direction: column; gap: 10px; }

.related-link {
  display: block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 14px 16px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
}

.related-link:hover {
  border-color: var(--yellow);
  transform: translateX(4px);
}

.related-link strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
}

.related-link span {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== about ===== */
.about-banner {
  position: relative;
  background: linear-gradient(135deg, #0d1a0c 0%, var(--dark3) 100%);
  padding: 80px 24px 64px;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 4% 100%);
  margin-bottom: 32px;
}

.about-banner-shapes { position: absolute; inset: 0; }

.about-banner-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.about-eyebrow {
  display: inline-block;
  background: var(--yellow);
  color: var(--dark);
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.about-h1 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--green);
  line-height: 1.15;
}

.about-wrap { padding-bottom: 80px; }

.about-section {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 48px;
  align-items: start;
  padding-top: 20px;
}

.about-article { }

.about-sidebar { display: flex; flex-direction: column; gap: 20px; }

.about-card { }

.about-card-title {
  display: block;
  font-family: var(--font-head);
  font-size: 0.9rem;
  color: var(--green);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

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

.about-info-list li {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-bottom: 1px dashed rgba(135,255,113,0.12);
  padding-bottom: 8px;
}

.info-label { color: var(--text); font-weight: 600; }

.about-nav-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-nav-links strong {
  display: block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.about-nav-btn {
  display: block;
  padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  font-size: 0.88rem;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.about-nav-btn:hover { border-color: var(--green); color: var(--green); }

/* ===== privacy ===== */
.privacy-banner {
  background: linear-gradient(160deg, var(--dark3) 0%, var(--dark2) 100%);
  padding: 60px 24px 48px;
  border-bottom: 2px dashed rgba(135,255,113,0.2);
  margin-bottom: 32px;
}

.privacy-banner-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.privacy-eyebrow {
  display: inline-block;
  background: rgba(135,255,113,0.12);
  color: var(--green);
  border: 1px solid rgba(135,255,113,0.3);
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.privacy-h1 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  color: var(--text);
  margin-bottom: 12px;
}

.privacy-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.privacy-wrap { padding-bottom: 80px; }

.privacy-section {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 48px;
  align-items: start;
  padding-top: 20px;
}

.privacy-article { }

.privacy-sidebar { position: sticky; top: calc(var(--nav-h) + 20px); }

.privacy-toc-card strong {
  display: block;
  font-family: var(--font-head);
  font-size: 0.9rem;
  color: var(--green);
  margin-bottom: 14px;
}

.privacy-toc-card ul { display: flex; flex-direction: column; gap: 8px; }

.privacy-toc-card li a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color 0.2s;
  padding: 4px 0;
  display: block;
  min-height: 40px;
  display: flex;
  align-items: center;
}

.privacy-toc-card li a:hover { color: var(--green); }

/* ===== 普通页 ===== */
.page-h1 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--green);
  margin-bottom: 16px;
}

.page-date {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.page-section { padding: 60px 0 80px; }

.page-article { }

/* ===== Footer ===== */
.site-footer {
  background: #0d1a0c;
  border-top: 2px solid rgba(135,255,113,0.2);
  margin-top: 0;
}

.footer-cta-block {
  background: linear-gradient(135deg, var(--green) 0%, #5cd645 100%);
  padding: 48px 24px;
  text-align: center;
  clip-path: polygon(0 0, 100% 0, 96% 100%, 4% 100%);
}

.footer-cta-text {
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--dark);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.footer-cta-btn {
  display: inline-block;
  background: var(--dark);
  color: var(--green);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--card-radius);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-cta-btn:hover {
  background: var(--yellow);
  color: var(--dark);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px;
}

.footer-col-title {
  display: block;
  font-family: var(--font-head);
  font-size: 0.88rem;
  color: var(--green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-col ul { display: flex; flex-direction: column; gap: 8px; }

.footer-col li a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color 0.2s;
  padding: 4px 0;
  display: block;
  min-height: 40px;
  display: flex;
  align-items: center;
}

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

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  border-top: 1px solid rgba(135,255,113,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-copy { font-size: 0.82rem; color: rgba(163,196,154,0.5); }

.footer-links { display: flex; gap: 20px; }

.footer-links a {
  font-size: 0.82rem;
  color: rgba(163,196,154,0.5);
  transition: color 0.2s;
  min-height: 40px;
  display: flex;
  align-items: center;
}

.footer-links a:hover { color: var(--green); }

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .shape { animation: none !important; }
  .hero-btn, .channel-card, .child-card, .recent-card,
  .related-link, .about-nav-btn, .footer-cta-btn { transition: none; }
}

/* ===== 移动端响应式 ===== */
@media (max-width: 900px) {
  .channel-cards { grid-template-columns: 1fr; }
  .recent-grid { grid-template-columns: repeat(2, 1fr); }
  .article-section { grid-template-columns: 1fr; }
  .about-section { grid-template-columns: 1fr; }
  .privacy-section { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .article-related { position: static; }
  .privacy-sidebar { position: static; }
}

@media (max-width: 600px) {
  .header-brand-row { flex-wrap: wrap; gap: 10px; }
  .header-search { width: 100%; }
  .header-search input { width: 100%; flex: 1; }
  .brand-name { font-size: 1.2rem; }

  .nav-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    cursor: pointer;
    font-family: var(--font-head);
    font-size: 0.85rem;
    color: var(--text-muted);
    list-style: none;
    min-height: 44px;
  }

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

  .nav-details:not([open]) .nav-menu { display: none; }

  .nav-menu {
    flex-direction: column;
    padding-bottom: 8px;
  }

  .nav-menu li a {
    padding: 12px 8px;
    border-bottom: 1px solid rgba(135,255,113,0.1);
    min-height: 44px;
  }

  .hero-content { padding: 100px 24px 120px; }
  .hero-h1 { font-size: 2rem; }

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

  .child-card { flex-direction: column; }
  .child-card-img { width: 100%; height: 160px; }

  .footer-cta-block { clip-path: none; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .channel-hero { clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%); }
  .about-banner { clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%); }
}

@media (max-width: 375px) {
  body { font-size: 16px; }
  .hero-h1 { font-size: 1.7rem; }
  .wrap { padding: 0 16px; }
}