@import url('https://fonts.googleapis.com/css2?family=Anton&family=Epilogue:wght@400;500;600;700&display=swap');

/* ===== 变量 ===== */
:root {
  --c-bg: #172617;
  --c-bg2: #1e2e1e;
  --c-bg3: #223322;
  --c-green: #69ff69;
  --c-cyan: #00ffff;
  --c-pink: #ff69b4;
  --c-white: #f0fff0;
  --c-muted: #7aaa7a;
  --c-border: #2d4a2d;
  --c-card-bg: #1b2e1b;
  --font-head: 'Anton', 'Impact', system-ui, sans-serif;
  --font-body: 'Epilogue', system-ui, -apple-system, sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-card: 0 4px 20px rgba(105, 255, 105, 0.12), 0 2px 8px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(105, 255, 105, 0.4);
  --shadow-cyan: 0 0 20px rgba(0, 255, 255, 0.4);
  --aside-w: 260px;
  --transition: 0.25s ease;
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background-color: var(--c-bg);
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--c-green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-cyan); text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ===== 公告条 ===== */
.announce-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: linear-gradient(90deg, #0d1a0d 0%, #172617 50%, #0d1a0d 100%);
  border-bottom: 1px solid var(--c-green);
  padding: 6px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.75rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--c-green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.announce-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 6px var(--c-green);
  animation: pulse-dot 2s ease-in-out infinite;
  display: inline-block;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

/* ===== 侧边栏 aside ===== */
.site-aside {
  position: fixed;
  top: 32px;
  left: 0;
  width: var(--aside-w);
  height: calc(100vh - 32px);
  background: var(--c-bg2);
  border-right: 1px solid var(--c-border);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 90;
  padding-bottom: 40px;
}
.site-aside::-webkit-scrollbar { width: 4px; }
.site-aside::-webkit-scrollbar-track { background: var(--c-bg); }
.site-aside::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 2px; }

.nav-brand {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--c-border);
}
.brand-link {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--c-green);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-shadow: 0 0 12px rgba(105,255,105,0.6);
  display: block;
  line-height: 1.3;
}
.brand-link:hover { color: var(--c-cyan); text-decoration: none; }

.site-aside nav > ul {
  padding: 8px 0;
}
.site-aside nav > ul > li > a {
  display: block;
  padding: 10px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--c-muted);
  line-height: 1.4;
  border-left: 2px solid transparent;
  transition: all var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.site-aside nav > ul > li > a:hover,
.site-aside nav > ul > li > a[aria-current="page"] {
  color: var(--c-green);
  border-left-color: var(--c-green);
  background: rgba(105,255,105,0.06);
  text-decoration: none;
}

.aside-block {
  padding: 16px;
  border-top: 1px solid var(--c-border);
}
.aside-title {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin-bottom: 10px;
}
.aside-links { display: flex; flex-direction: column; gap: 2px; }
.aside-links li a {
  display: block;
  padding: 7px 8px;
  font-size: 0.8rem;
  color: var(--c-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
  line-height: 1.4;
}
.aside-links li a:hover {
  color: var(--c-green);
  background: rgba(105,255,105,0.06);
  text-decoration: none;
}

/* ===== 页面主包裹 ===== */
.page-wrap {
  margin-left: var(--aside-w);
  margin-top: 32px;
  min-height: calc(100vh - 32px);
}

/* ===== Hero：首页 ===== */
.hero {
  position: relative;
  min-height: 45vh;
  display: flex;
  align-items: center;
  padding: 56px 48px 48px;
  background:
    linear-gradient(135deg, rgba(23,38,23,0.97) 60%, rgba(0,30,20,0.97) 100%);
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 50%, rgba(105,255,105,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 30%, rgba(0,255,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 700px; }
.hero-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--c-white);
  text-shadow: 0 0 40px rgba(105,255,105,0.3);
  margin-bottom: 16px;
}
.hero-desc {
  font-size: 1rem;
  color: var(--c-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 28px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== Hero：内页 ===== */
.inner-hero {
  position: relative;
  padding: 44px 48px 36px;
  background: linear-gradient(135deg, var(--c-bg2) 0%, var(--c-bg) 100%);
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}
.inner-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-green), transparent);
}
.inner-hero--rank::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 80% at 5% 50%, rgba(105,255,105,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.inner-hero--compare::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 80% at 5% 50%, rgba(0,255,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.inner-hero__eyebrow {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.inner-hero__title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 1.1;
  color: var(--c-white);
  text-shadow: 0 0 30px rgba(105,255,105,0.2);
  position: relative;
  z-index: 1;
}

/* ===== 徽章 badge ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-body);
}
.badge--neon {
  background: rgba(105,255,105,0.12);
  border: 1px solid var(--c-green);
  color: var(--c-green);
  text-shadow: 0 0 8px rgba(105,255,105,0.8);
  box-shadow: 0 0 8px rgba(105,255,105,0.2);
}
.badge--chrome {
  background: linear-gradient(135deg, rgba(180,180,200,0.15), rgba(100,100,120,0.1));
  border: 1px solid rgba(200,200,220,0.4);
  color: #c8d0e0;
}
.badge--cyan {
  background: rgba(0,255,255,0.1);
  border: 1px solid var(--c-cyan);
  color: var(--c-cyan);
  text-shadow: 0 0 8px rgba(0,255,255,0.8);
}
.badge--glow {
  background: rgba(255,105,180,0.1);
  border: 1px solid var(--c-pink);
  color: var(--c-pink);
}
.badge--ghost {
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-muted);
}
.badge--rank {
  background: rgba(105,255,105,0.1);
  border: 1px solid var(--c-green);
  color: var(--c-green);
  font-size: 0.65rem;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 44px;
  border: none;
  text-decoration: none !important;
}
.btn--primary {
  background: linear-gradient(135deg, var(--c-green), #40cc40);
  color: var(--c-bg);
  box-shadow: 0 0 16px rgba(105,255,105,0.4), 0 4px 12px rgba(0,0,0,0.3);
}
.btn--primary:hover {
  background: linear-gradient(135deg, #80ff80, var(--c-green));
  box-shadow: 0 0 24px rgba(105,255,105,0.6), 0 6px 16px rgba(0,0,0,0.3);
  transform: translateY(-1px);
  color: var(--c-bg);
}
.btn--ghost {
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-muted);
}
.btn--ghost:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}

/* ===== 装饰火花 ===== */
.hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.spark {
  position: absolute;
  color: var(--c-green);
  font-size: 1.2rem;
  animation: spark-float 4s ease-in-out infinite;
  opacity: 0.5;
}
.spark-1 { top: 15%; right: 20%; animation-delay: 0s; color: var(--c-green); }
.spark-2 { top: 60%; right: 10%; animation-delay: 1s; color: var(--c-cyan); font-size: 0.8rem; }
.spark-3 { top: 30%; right: 35%; animation-delay: 2s; color: var(--c-pink); font-size: 0.9rem; }
.spark-4 { bottom: 20%; right: 25%; animation-delay: 0.5s; color: var(--c-green); font-size: 1.4rem; }
@keyframes spark-float {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.5; }
  50% { transform: translateY(-10px) rotate(15deg); opacity: 1; }
}

/* ===== 主内容区 ===== */
main { padding: 40px 48px 60px; max-width: 900px; }

/* ===== content-article / article ===== */
.content-article { width: 100%; }
.content-section { margin-bottom: 48px; }

/* ===== Prose 正文 ===== */
.prose { font-size: 1rem; line-height: 1.75; color: var(--c-white); }
.prose h2 {
  font-family: var(--font-head);
  font-size: 1.6rem;
  color: var(--c-green);
  margin: 36px 0 4px;
  letter-spacing: 0.02em;
  text-shadow: 0 0 16px rgba(105,255,105,0.3);
}
.prose h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--c-cyan);
  margin: 28px 0 4px;
  letter-spacing: 0.02em;
}
.prose h2 + hr,
.prose h3 + hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 0 0 16px;
}
.prose hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 24px 0;
}
.prose p { margin-bottom: 16px; }
.prose ul, .prose ol { margin: 16px 0 16px 20px; }
.prose li { margin-bottom: 8px; }
.prose ul li { list-style: disc; }
.prose ol li { list-style: decimal; }
.prose strong { color: var(--c-green); font-weight: 700; }
.prose em { color: var(--c-cyan); font-style: italic; }
.prose a { color: var(--c-green); border-bottom: 1px solid rgba(105,255,105,0.3); }
.prose a:hover { color: var(--c-cyan); border-bottom-color: var(--c-cyan); text-decoration: none; }
.prose blockquote {
  border-left: 3px solid var(--c-green);
  padding: 12px 20px;
  background: rgba(105,255,105,0.04);
  margin: 20px 0;
  color: var(--c-muted);
  font-style: italic;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.9rem;
}
.prose th {
  background: var(--c-bg3);
  color: var(--c-green);
  font-weight: 700;
  padding: 10px 14px;
  border: 1px solid var(--c-border);
  text-align: left;
}
.prose td {
  padding: 9px 14px;
  border: 1px solid var(--c-border);
  color: var(--c-white);
}
.prose tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.prose code {
  font-family: 'Courier New', monospace;
  background: rgba(105,255,105,0.08);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.88em;
  color: var(--c-green);
}

/* ===== h2 + hr 通用（正文外） ===== */
h2 + hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 4px 0 20px;
}
h3 + hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 4px 0 16px;
}

/* ===== 卡片网格 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(105,255,105,0.18), 0 2px 8px rgba(0,0,0,0.6);
}
.card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.3;
}
.card h3 a { color: var(--c-white); }
.card h3 a:hover { color: var(--c-green); text-decoration: none; }
.card p { font-size: 0.85rem; color: var(--c-muted); line-height: 1.55; margin-bottom: 10px; }
.card time { font-size: 0.75rem; color: rgba(122,170,122,0.7); }
.card--rank { border-color: rgba(105,255,105,0.2); }
.card--rank:hover { border-color: var(--c-green); }

/* ===== 排行榜专区 ===== */
.rankings-section h2, .children-section h2, .about-nav-section h2, .content-section h2 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--c-green);
  margin-bottom: 4px;
  text-shadow: 0 0 16px rgba(105,255,105,0.25);
}

/* ===== 关于页快速链接 ===== */
.about-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.about-quick-links li a {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--c-muted);
  transition: all var(--transition);
  min-height: 40px;
}
.about-quick-links li a:hover {
  border-color: var(--c-green);
  color: var(--c-green);
  text-decoration: none;
}

/* ===== 元信息日期 ===== */
.meta-date {
  font-size: 0.8rem;
  color: var(--c-muted);
  margin-top: 10px;
}
.meta-dates {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--c-muted);
}

/* ===== 页脚 ===== */
footer {
  margin-left: var(--aside-w);
  padding: 24px 48px;
  border-top: 1px solid var(--c-border);
  background: var(--c-bg2);
  text-align: center;
}
.footer-links {
  font-size: 0.82rem;
  color: var(--c-muted);
  margin-bottom: 8px;
}
.footer-links a {
  color: var(--c-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--c-green); text-decoration: none; }
footer small {
  display: block;
  font-size: 0.75rem;
  color: rgba(122,170,122,0.5);
}

/* ===== Scroll Reveal 动效 ===== */
@media (prefers-reduced-motion: no-preference) {
  .card, .content-section, .inner-hero, .hero-inner {
    animation: reveal-up 0.5s ease both;
  }
  .card-grid .card:nth-child(1) { animation-delay: 0.05s; }
  .card-grid .card:nth-child(2) { animation-delay: 0.1s; }
  .card-grid .card:nth-child(3) { animation-delay: 0.15s; }
  .card-grid .card:nth-child(4) { animation-delay: 0.2s; }
  .card-grid .card:nth-child(5) { animation-delay: 0.25s; }
  .card-grid .card:nth-child(6) { animation-delay: 0.3s; }
  @keyframes reveal-up {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ===== 响应式：平板 ===== */
@media (max-width: 900px) {
  :root { --aside-w: 220px; }
  .hero { padding: 40px 32px 36px; }
  main { padding: 32px 32px 48px; }
  footer { padding: 20px 32px; }
  .inner-hero { padding: 36px 32px 28px; }
}

/* ===== 响应式：移动端 ===== */
@media (max-width: 640px) {
  :root { --aside-w: 0px; }

  .site-aside {
    position: static;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--c-border);
    overflow: visible;
    top: auto; left: auto;
  }
  .site-aside nav {
    display: flex;
    flex-direction: column;
  }
  .nav-brand { padding: 12px 16px; }
  .brand-link { font-size: 1rem; }
  .site-aside nav > ul {
    display: flex;
    flex-wrap: wrap;
    padding: 4px 8px 8px;
    gap: 2px;
  }
  .site-aside nav > ul > li { flex: 0 0 auto; }
  .site-aside nav > ul > li > a {
    padding: 8px 12px;
    font-size: 0.78rem;
    border-left: none;
    border-bottom: 2px solid transparent;
    border-radius: var(--radius-sm);
    min-height: 40px;
  }
  .site-aside nav > ul > li > a:hover,
  .site-aside nav > ul > li > a[aria-current="page"] {
    border-left-color: transparent;
    border-bottom-color: var(--c-green);
  }
  .aside-block { display: none; }

  .page-wrap {
    margin-left: 0;
    margin-top: 32px;
  }
  .hero {
    min-height: auto;
    padding: 28px 20px 28px;
  }
  .hero-title { font-size: 2rem; }
  .hero-desc { font-size: 0.9rem; }
  .inner-hero { padding: 24px 20px 20px; }
  .inner-hero__title { font-size: 1.5rem; }
  main { padding: 24px 20px 40px; }
  footer { margin-left: 0; padding: 20px 20px; }
  .card-grid { grid-template-columns: 1fr; }
  .announce-bar { font-size: 0.68rem; padding: 5px 12px; }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .about-quick-links li a { padding: 10px 14px; font-size: 0.82rem; }
}

/* ===== 金属光泽渐变装饰 ===== */
.inner-hero--rank .inner-hero__title {
  background: linear-gradient(135deg, #69ff69 0%, #c8ffc8 50%, #00ffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}
.inner-hero--compare .inner-hero__title {
  background: linear-gradient(135deg, #00ffff 0%, #80ffff 50%, #69ff69 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}

/* ===== FAQ 专区 ===== */
.faq-prose .prose { font-size: 1rem; }

/* ===== 比较表强化 ===== */
.compare-prose .prose table th { background: var(--c-bg3); }

/* ===== 滚动条全局 ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-green); }