/* ============================================
   Warframe 氏族网站 - 共享样式表
   主题：虚空晨光（亮色·高端）
   ============================================ */

/* ===== CSS 变量 ===== */
:root {
  --gold: #b8860b;
  --gold-light: #d4a017;
  --gold-glow: rgba(184, 134, 11, 0.25);
  --teal: #0d9488;
  --teal-light: #14b8a6;
  --teal-glow: rgba(13, 148, 136, 0.2);
  --purple: #7c3aed;
  --purple-glow: rgba(124, 58, 237, 0.15);
  --red: #dc2626;
  --amber: #d97706;

  --bg: #f9f7f3;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --text: #1e1b2e;
  --text-secondary: #4a4658;
  --text-dim: #928ea0;
  --border: #e6e2d8;
  --border-light: #f0ede6;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.08);
  --shadow-gold: 0 4px 28px rgba(184,134,11,0.14);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --max-width: 920px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 全局重置 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 21px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== 背景装饰 ===== */
.bg-decoration {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  overflow: hidden;
}
.bg-decoration::before {
  content: '';
  position: absolute; top: -120px; right: -120px;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(184,134,11,0.1) 0%, transparent 65%);
  border-radius: 50%;
}
.bg-decoration::after {
  content: '';
  position: absolute; bottom: -120px; left: -100px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(13,148,136,0.08) 0%, transparent 65%);
  border-radius: 50%;
}
.bg-decoration-extra {
  position: fixed; pointer-events: none; z-index: 0;
  top: 40%; left: 50%; transform: translate(-50%, -50%);
  width: 1000px; height: 600px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.05) 0%, transparent 70%);
}

/* 动态网格线 */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(184,134,11,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,134,11,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-drift 20s linear infinite;
}
@keyframes grid-drift {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 60px 60px, 60px 60px; }
}

/* 漂浮光点 */
.bg-particles {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
}
.bg-particles::before,
.bg-particles::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  animation: float-particle 8s ease-in-out infinite;
}
.bg-particles::before {
  width: 6px; height: 6px;
  background: rgba(184,134,11,0.3);
  top: 20%; left: 15%;
  box-shadow:
    200px 80px 0 rgba(184,134,11,0.2),
    400px 300px 0 rgba(13,148,136,0.2),
    600px 150px 0 rgba(124,58,237,0.15),
    100px 500px 0 rgba(184,134,11,0.2),
    500px 450px 0 rgba(13,148,136,0.18),
    700px 50px 0 rgba(124,58,237,0.12),
    300px 600px 0 rgba(184,134,11,0.15),
    650px 550px 0 rgba(13,148,136,0.13);
}
.bg-particles::after {
  width: 4px; height: 4px;
  background: rgba(13,148,136,0.25);
  top: 60%; left: 30%;
  box-shadow:
    250px -100px 0 rgba(124,58,237,0.2),
    450px -200px 0 rgba(184,134,11,0.18),
    150px 200px 0 rgba(13,148,136,0.2),
    550px 100px 0 rgba(184,134,11,0.15),
    350px 350px 0 rgba(124,58,237,0.15),
    50px -50px 0 rgba(13,148,136,0.2),
    600px -300px 0 rgba(184,134,11,0.12);
}
@keyframes float-particle {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.6; }
  25% { transform: translateY(-30px) translateX(15px); opacity: 1; }
  50% { transform: translateY(-10px) translateX(-10px); opacity: 0.5; }
  75% { transform: translateY(-40px) translateX(-20px); opacity: 0.8; }
}

/* ===== 顶部导航栏 ===== */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(249, 247, 243, 0.9);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.topbar.scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,0.07);
}
.topbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
}
.topbar-logo {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
  transition: border-color var(--transition);
  cursor: pointer;
}
.topbar-logo:hover { border-color: var(--gold); }
.topbar-logo img { width: 100%; height: 100%; display: block; object-fit: cover; }
.topbar-name {
  font-size: 22px; font-weight: 700;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.topbar-nav { margin-left: auto; display: flex; gap: 2px; }
.topbar-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 19px; font-weight: 500;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.topbar-nav a::after {
  content: '';
  position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: width var(--transition);
}
.topbar-nav a:hover { color: var(--gold); }
.topbar-nav a:hover::after { width: 18px; }
.topbar-nav a.active { color: var(--gold); font-weight: 600; }
.topbar-nav a.active::after { width: 18px; }

/* 攻略中心下拉菜单 */
.topbar-dropdown {
  position: relative;
  display: flex; align-items: center;
}
.topbar-dropdown > a {
  cursor: default;
  color: var(--text-secondary);
}
.topbar-dropdown-menu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: var(--bg-glass);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 200px;
  padding: 8px 0;
  opacity: 0; visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: all 0.25s ease;
  z-index: 60;
}
.topbar-dropdown:hover .topbar-dropdown-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.topbar-dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.topbar-dropdown-menu a:hover {
  color: var(--gold);
  background: rgba(184, 134, 11, 0.07);
}
.topbar-dropdown-menu a::after {
  display: none;
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  background: none; border: none;
  width: 40px; height: 40px;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; cursor: pointer;
  margin-left: auto;
}
.menu-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 680px) {
  .topbar-nav { display: none; }
  .topbar-nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px;
  }
  .menu-toggle { display: flex; }
}

/* ===== 页尾 ===== */
.site-footer {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-dim);
  font-size: 14px;
  border-top: 1px solid var(--border-light);
  position: relative; z-index: 1;
}

/* ===== 内容容器 ===== */
.page-container {
  position: relative; z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  background: var(--bg);
}

/* ===== 英雄区块 ===== */
.hero {
  text-align: center;
  padding: 72px 0 48px;
  position: relative;
}
/* 四角装饰 */
.hero-corners { position: absolute; inset: 0; pointer-events: none; }
.hero-corners .hc {
  position: absolute;
  width: 40px; height: 40px;
  border-color: var(--gold);
  border-style: solid;
  opacity: 0.25;
}
.hc.tl { top: 10px; left: 10px; border-width: 2px 0 0 2px; border-radius: 6px 0 0 0; }
.hc.tr { top: 10px; right: 10px; border-width: 2px 2px 0 0; border-radius: 0 6px 0 0; }
.hc.bl { bottom: 10px; left: 10px; border-width: 0 0 2px 2px; border-radius: 0 0 0 6px; }
.hc.br { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; border-radius: 0 0 6px 0; }
/* 光环 */
.hero-aura {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,134,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-aura-ring {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(184,134,11,0.12);
  pointer-events: none;
  animation: ring-pulse 4s ease-in-out infinite;
}
@keyframes ring-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.12); opacity: 1; }
}
.hero-logo-wrap {
  display: inline-block;
  position: relative; z-index: 2;
  padding: 6px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--border-light);
}
.hero-logo-wrap::after {
  content: '';
  position: absolute; inset: -3px;
  border-radius: 20px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--gold), var(--teal), var(--purple)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.7;
}
.hero-logo-wrap img {
  width: 144px; height: 144px;
  display: block;
  border-radius: 12px;
  background: var(--bg);
  object-fit: cover;
}
.hero-name {
  margin-top: 28px;
  font-size: 52px; font-weight: 900;
  letter-spacing: 10px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 45%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.06));
  position: relative; z-index: 2;
}
.hero-subtitle {
  margin-top: 12px;
  font-size: 16px; font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 10px;
  position: relative; z-index: 2;
}
.hero-divider {
  width: 120px; height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--teal), transparent);
  margin: 20px auto 0;
  border-radius: 2px;
  position: relative; z-index: 2;
}
.hero-tagline {
  margin-top: 14px;
  font-size: 15px; font-weight: 300;
  color: var(--text-dim);
  letter-spacing: 8px;
  font-style: italic;
  position: relative; z-index: 2;
}

/* ===== 数据条 ===== */
.stats-strip {
  display: flex; align-items: center; justify-content: center;
  gap: 0;
  margin: 8px 0 44px;
  padding: 24px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
}
.stat-item {
  display: flex; flex-direction: column; align-items: center;
  padding: 0 36px;
  min-width: 100px;
}
.stat-num {
  font-size: 24px; font-weight: 900;
  background: linear-gradient(135deg, var(--gold), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
}
.stat-label {
  font-size: 13px; color: var(--text-dim);
  margin-top: 4px; letter-spacing: 2px;
}
.stat-divider {
  width: 1px; height: 36px;
  background: var(--border);
}
@media (max-width: 680px) {
  .stat-item { padding: 8px 20px; min-width: auto; }
  .stat-divider { display: none; }
  .stats-strip { gap: 0; }
}

/* ===== 板块导航卡片 ===== */
.section-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 44px;
}
.section-card {
  display: flex; flex-direction: column; align-items: center;
  text-decoration: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 18px 30px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.section-card::before {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--teal));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.section-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(184,134,11,0.02) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.section-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(184,134,11,0.13);
  border-color: rgba(184, 134, 11, 0.3);
}
.section-card:hover::before { transform: scaleX(1); }
.section-card:hover::after { opacity: 1; }
.section-card .card-icon-bg {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  margin-bottom: 14px;
  position: relative; z-index: 1;
  background: linear-gradient(135deg, rgba(184,134,11,0.08), rgba(13,148,136,0.06));
  transition: all var(--transition);
}
.section-card:hover .card-icon-bg {
  background: linear-gradient(135deg, rgba(184,134,11,0.15), rgba(13,148,136,0.12));
  transform: scale(1.08);
  box-shadow: 0 4px 20px rgba(184,134,11,0.12);
}
.section-card .card-title {
  font-size: 18px; font-weight: 700;
  color: var(--text);
  position: relative; z-index: 1;
  margin-bottom: 4px;
}
.section-card .card-desc {
  font-size: 13px; color: var(--text-dim);
  position: relative; z-index: 1;
  line-height: 1.5;
}
.section-card .card-arrow {
  font-size: 16px; color: var(--text-dim);
  margin-top: 12px;
  transition: all var(--transition);
  position: relative; z-index: 1;
  opacity: 0;
  transform: translateX(-8px);
}
.section-card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--gold);
}

@media (max-width: 860px) {
  .section-cards { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
@media (max-width: 480px) {
  .section-cards { grid-template-columns: 1fr; }
}

/* ===== 装饰分隔条 ===== */
.ornament-divider {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 40px;
  padding: 0 20px;
}
.od-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.od-icon {
  font-size: 18px; color: var(--gold);
  animation: subtle-float 3s ease-in-out infinite;
}

/* ===== QQ群卡片 ===== */
.qq-card {
  display: flex; align-items: center; gap: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 56px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
/* 顶部装饰条 */
.qq-deco-top {
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--teal), var(--purple));
}
.qq-card::after {
  content: '';
  position: absolute; right: -30px; bottom: -30px;
  width: 160px; height: 160px;
  border-radius: 50%;
  border: 1px solid rgba(184,134,11,0.06);
  pointer-events: none;
}
.qq-info { flex: 1; min-width: 240px; position: relative; z-index: 1; }
.qq-label {
  font-size: 14px; font-weight: 700;
  color: var(--teal);
  letter-spacing: 6px;
  text-transform: uppercase;
}
.qq-number {
  font-size: 40px; font-weight: 900;
  letter-spacing: 5px;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 8px 0 6px;
}
.qq-hint {
  font-size: 15px; color: var(--text-dim);
  margin-bottom: 18px;
}
.qq-qr-wrap {
  display: flex; flex-direction: column; align-items: center;
  gap: 8px;
  position: relative; z-index: 1;
}
.qq-qr {
  width: 140px; height: 140px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.qq-qr:hover {
  border-color: var(--gold);
  box-shadow: 0 6px 28px rgba(184,134,11,0.15);
  transform: scale(1.04);
}
.qq-qr img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}
.qr-label {
  font-size: 12px; color: var(--text-dim);
  letter-spacing: 2px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff;
  box-shadow: 0 2px 14px var(--gold-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--gold-glow);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.btn-copy {
  background: rgba(184, 134, 11, 0.09);
  border: 1px solid rgba(184, 134, 11, 0.28);
  color: var(--gold);
}
.btn-copy:hover {
  background: rgba(184, 134, 11, 0.18);
  border-color: var(--gold);
}
.btn-copy.copied {
  background: rgba(13, 148, 136, 0.1);
  border-color: var(--teal);
  color: var(--teal);
}

/* ===== 内容页面通用样式 ===== */
.content-section {
  padding: 48px 0;
}
.content-section h2 {
  font-size: 32px; font-weight: 800;
  color: var(--text);
  margin: 40px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-light);
  display: flex; align-items: center; gap: 10px;
}
.content-section h3 {
  font-size: 24px; font-weight: 700;
  color: var(--text-secondary);
  margin: 32px 0 12px;
}
.content-section p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 20px;
}
.content-section ul, .content-section ol {
  padding-left: 24px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.content-section li {
  margin-bottom: 10px;
  font-size: 20px;
}
.content-section a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.content-section a:hover { border-bottom-color: var(--teal); }

/* 信息卡片 */
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
  font-size: 20px;
}
.info-card.warning {
  background: rgba(184, 134, 11, 0.05);
  border-color: rgba(184, 134, 11, 0.22);
  border-left-color: var(--gold);
}
.info-card.tip {
  background: rgba(13, 148, 136, 0.05);
  border-color: rgba(13, 148, 136, 0.22);
  border-left-color: var(--teal);
}

/* ===== 攻略页面布局 ===== */
.guide-layout {
  display: flex; gap: 32px;
  padding: 36px 0 52px;
}
.guide-sidebar {
  width: 270px; flex-shrink: 0;
  position: sticky; top: 90px;
  align-self: flex-start;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}
.guide-sidebar-title {
  font-size: 22px; font-weight: 900;
  color: var(--text);
  letter-spacing: 4px;
  margin-bottom: 16px;
  padding-left: 14px;
}
.guide-sidebar a {
  display: block;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 18px; font-weight: 500;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 3px;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}
.guide-sidebar a:hover,
.guide-sidebar a.active {
  color: var(--gold);
  background: rgba(184, 134, 11, 0.07);
  border-left-color: var(--gold);
}
.guide-content {
  flex: 1;
  min-width: 0;
}
.guide-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 36px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
  scroll-margin-top: 100px;
}
.guide-block h2 {
  margin-top: 0;
  font-size: 26px;
}
.guide-coming-soon {
  background: var(--bg-card);
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 48px 36px;
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 24px;
  scroll-margin-top: 100px;
}
.guide-coming-soon .icon { font-size: 42px; margin-bottom: 10px; }

@media (max-width: 720px) {
  .guide-layout { flex-direction: column; }
  .guide-sidebar {
    width: 100%;
    position: static;
    max-height: none;
    display: flex; gap: 8px;
    flex-wrap: wrap;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 24px;
  }
  .guide-sidebar-title { width: 100%; }
  .guide-sidebar a {
    font-size: 14px; padding: 8px 12px;
    border-left: none;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
  }
  .guide-sidebar a:hover,
  .guide-sidebar a.active {
    border-color: var(--gold);
  }
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-size: 16px; color: var(--text-dim);
  padding: 24px 0 0;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: var(--text); font-weight: 500; }

/* ===== 装饰分隔符 ===== */
.section-divider {
  display: flex; align-items: center; gap: 16px;
  margin: 44px 0;
  color: var(--gold);
  font-size: 20px; letter-spacing: 8px; font-weight: 700;
}
.section-divider::before,
.section-divider::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ===== 悬浮导航 ===== */
.floating-nav {
  position: fixed; right: 18px; bottom: 50%;
  transform: translateY(50%);
  z-index: 40;
  display: flex; flex-direction: column;
  gap: 7px;
}
.floating-nav a {
  display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 24px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.floating-nav a:hover {
  border-color: var(--gold);
  color: var(--gold);
  box-shadow: var(--shadow-gold);
  transform: translateX(-3px);
}
.floating-nav a .tooltip {
  position: absolute; right: 60px;
  background: var(--text);
  color: #fff;
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 5px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.floating-nav a:hover .tooltip { opacity: 1; }

/* 浮动导航攻略下拉菜单 */
.floating-dropdown {
  position: relative;
}
.floating-dropdown-menu {
  position: absolute; right: 64px; top: 50%; transform: translateY(-50%);
  background: var(--bg-glass);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 200px;
  padding: 8px 0;
  opacity: 0; visibility: hidden;
  transition: all 0.25s ease;
  z-index: 60;
}
.floating-dropdown:hover .floating-dropdown-menu {
  opacity: 1; visibility: visible;
}
.floating-dropdown-menu a {
  display: block;
  width: auto; height: auto;
  padding: 10px 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary) !important;
  text-decoration: none;
  border: none !important;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transform: none !important;
  white-space: nowrap;
}
.floating-dropdown-menu a:hover {
  color: var(--gold) !important;
  background: rgba(184, 134, 11, 0.07);
  border-color: transparent !important;
  box-shadow: none !important;
  transform: none !important;
}
@media (max-width: 680px) {
  .floating-dropdown-menu { display: none; }
}

@media (max-width: 680px) {
  .floating-nav {
    right: 0; bottom: 0; left: 0;
    transform: none;
    flex-direction: row;
    justify-content: space-around;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    padding: 7px 0;
    padding-bottom: max(7px, env(safe-area-inset-bottom));
  }
  .floating-nav a {
    width: auto; height: 48px;
    flex: 1; border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    box-shadow: none;
    font-size: 24px;
  }
  .floating-nav a .tooltip { display: none; }
}

/* ===== 页头 ===== */
.page-header {
  padding: 52px 0 14px;
  text-align: center;
}
.page-header .page-icon {
  font-size: 64px; margin-bottom: 12px;
  display: inline-block;
  animation: subtle-float 4s ease-in-out infinite;
}
.page-header h1 {
  font-size: 38px; font-weight: 900;
  letter-spacing: 5px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-header p {
  color: var(--text-dim);
  font-size: 17px;
  letter-spacing: 4px;
  margin-top: 6px;
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
  animation: fadeInUp 0.6s ease forwards;
}
.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-delay-4 { animation-delay: 0.4s; opacity: 0; }

@keyframes subtle-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.float-anim { animation: subtle-float 4s ease-in-out infinite; }

/* ===== 左右装饰图 ===== */
.side-deco {
  position: fixed; top: 70px;
  z-index: 0; pointer-events: none;
  opacity: 0.8;
  animation: side-drop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
             side-sway 5s ease-in-out 0.7s infinite;
  transform-origin: top center;
}
.side-deco::before {
  content: '';
  position: absolute; top: -20px; left: 50%; transform: translateX(-50%);
  width: 2px; height: 20px;
  background: linear-gradient(180deg, var(--gold), transparent);
  border-radius: 1px;
  opacity: 0.5;
}
.left-deco {
  left: 0;
  right: auto;
}
.right-deco { right: 12px; display: none; }
.side-deco img {
  width: clamp(120px, 18vw, 380px);
  height: auto;
  display: block; object-fit: contain;
  object-position: right center;
  filter: drop-shadow(0 0 20px rgba(184,134,11,0.15));
}
.right-deco img {
  object-fit: cover;
}
@keyframes side-drop {
  from { transform: translateY(-120px); opacity: 0; }
  to { transform: translateY(0); opacity: 0.8; }
}
@keyframes side-sway {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(0.8deg); }
  75% { transform: rotate(-0.5deg); }
}
@media (max-width: 1400px) {
  .side-deco { display: none; }
}

/* ===== 图片灯箱 ===== */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.lightbox-overlay.active {
  opacity: 1; pointer-events: all;
}
.lightbox-overlay img {
  max-width: 90vw; max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 8px 60px rgba(0,0,0,0.5);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}
.lightbox-overlay.active img {
  transform: scale(1);
}
.lightbox-close {
  position: absolute; top: 20px; right: 28px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 28px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  z-index: 2;
}
.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
}
.lightbox-prev, .lightbox-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  width: 52px; height: 52px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  z-index: 2;
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-prev:hover, .lightbox-next:hover {
  background: rgba(255,255,255,0.25);
}
.lightbox-counter {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  letter-spacing: 2px;
}
@media (max-width: 680px) {
  .lightbox-prev { left: 8px; width: 40px; height: 40px; }
  .lightbox-next { right: 8px; width: 40px; height: 40px; }
  .lightbox-close { top: 10px; right: 12px; width: 40px; height: 40px; font-size: 24px; }
}

/* 可点击图片指示 */
img[data-lightbox] {
  cursor: zoom-in;
  transition: all var(--transition);
}
img[data-lightbox]:hover {
  opacity: 0.9;
}