/* ==========================================================================
   CyberShell — 赛博安全 · 全行业安全设计系统
   深空黑 × 青蓝霓虹 / 玻璃拟态 / HUD 网格
   ========================================================================== */

/* ---- 设计令牌 ---- */
:root {
  /* 色板 */
  --space-950: #050816;
  --space-900: #0b1026;
  --space-850: #0e142e;
  --space-800: #111831;
  --space-700: #151c3a;
  --space-600: #1a2247;
  --line: rgba(88, 166, 255, 0.14);
  --line-strong: rgba(88, 166, 255, 0.32);

  --cyan: #22d3ee;
  --cyan-600: #06b6d4;
  --blue: #3b82f6;
  --violet: #8b5cf6;

  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --text-faint: #64748b;

  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "JetBrains Mono", Menlo, monospace;

  /* 间距（4 基准） */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;

  /* 圆角 / 阴影 */
  --r-s: 8px; --r-m: 12px; --r-l: 16px;
  --glass-bg: rgba(17, 24, 58, 0.62);
  --glass-border: rgba(120, 190, 255, 0.16);
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 10px 30px rgba(0, 0, 0, 0.35);
  --glow-cyan: 0 0 18px rgba(34, 211, 238, 0.35);
  --glow-blue: 0 0 22px rgba(59, 130, 246, 0.35);

  /* 动效 */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 160ms;
  --t-mid: 260ms;

  --container: 1000px;
}

/* ---- 基础重置 ---- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  overflow-x: hidden;
  background-color: var(--space-950);
  background-image:
    radial-gradient(1200px 620px at 16% 0%, rgba(59, 130, 246, 0.10), transparent 60%),
    radial-gradient(1000px 520px at 84% 18%, rgba(34, 211, 238, 0.08), transparent 60%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* 动态太空背景层（canvas），位于内容之下 */
.as-space {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
}

.as-body, .as-footer { position: relative; z-index: 1; }

a { color: var(--cyan); text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: #7ff0ff; }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.35;
  color: #f1f5f9;
  font-weight: 700;
  margin: 0 0 0.5em;
  letter-spacing: 0.01em;
}

/* 长内容（超长 URL / 无空格字符串）安全断行 */
.as-main, .as-article-content, .as-widget, .as-card-title a {
  overflow-wrap: break-word;
  word-break: break-word;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

/* 跳过导航 */
.screen-reader-text { position: absolute; width: 1px; height: 1px; clip: rect(0 0 0 0); overflow: hidden; }
.screen-reader-text:focus {
  clip: auto; width: auto; height: auto; padding: var(--sp-2) var(--sp-4);
  background: var(--space-800); color: var(--cyan); z-index: 99;
}

/* ==========================================================================
   顶部导航
   ========================================================================== */
.as-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 8, 22, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
}
.as-header.is-scrolled { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45); }

.as-header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  min-height: 68px;
}

.as-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 20px;
  color: #f1f5f9;
  white-space: nowrap;
}
.as-brand .as-brand-symbol {
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}
.as-brand a { color: inherit; }
.as-brand a:hover { color: var(--cyan); }
.as-brand-img { display: flex; align-items: center; }
.as-brand-img img { max-height: 40px; width: auto; }
.as-logo { display: block; height: 34px; width: auto; filter: drop-shadow(0 0 10px rgba(34, 211, 238, 0.35)); }

.as-nav { margin-left: auto; }
.as-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.as-menu li { position: relative; }
.as-menu a {
  display: block;
  padding: 10px 14px;
  color: var(--text-dim);
  font-size: 15px;
  border-radius: var(--r-s);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.as-menu a:hover { color: var(--cyan); background: rgba(34, 211, 238, 0.08); }
.as-menu > .current-menu-item > a,
.as-menu > .current-menu-ancestor > a {
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.10);
  box-shadow: inset 0 -2px 0 var(--cyan);
}
.as-menu li.menu-item-has-children > a::after {
  content: "▾";
  margin-left: 6px;
  font-size: 11px;
  color: var(--text-faint);
}

/* 下拉子菜单 */
.as-menu .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  padding: 6px;
  list-style: none;
  background: rgba(13, 18, 40, 0.96);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
}
.as-menu li:hover > .sub-menu,
.as-menu li.focus > .sub-menu,
.as-menu li:focus-within > .sub-menu { display: block; }
.as-menu .sub-menu a { padding: 9px 12px; border-radius: var(--r-s); }
.as-menu .sub-menu li.menu-item-has-children > a::after { content: "▸"; float: right; }

/* 移动端导航按钮 */
.as-nav-toggle {
  display: none;
  margin-left: auto;
  width: 40px; height: 40px;
  padding: 9px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}
.as-nav-toggle span {
  display: block; height: 2px; width: 100%;
  background: var(--cyan);
  border-radius: 2px;
  transition: transform var(--t-mid) var(--ease), opacity var(--t-mid) var(--ease);
}
.as-nav-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.as-nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.as-nav-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ==========================================================================
   首页 Hero
   ========================================================================== */
.as-hero {
  position: relative;
  overflow: hidden;
  padding: var(--sp-7) 0 var(--sp-6);
  text-align: center;
}
.as-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 340px at 18% 10%, rgba(59, 130, 246, 0.16), transparent 60%),
    radial-gradient(560px 320px at 82% 22%, rgba(34, 211, 238, 0.14), transparent 60%),
    radial-gradient(500px 300px at 50% 130%, rgba(139, 92, 246, 0.10), transparent 60%);
  pointer-events: none;
}
.as-hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 180px;
  background-image:
    linear-gradient(rgba(88, 166, 255, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 166, 255, 0.10) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  pointer-events: none;
}
.as-hero-inner { position: relative; z-index: 1; }
.as-hero .as-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: var(--sp-4);
}
.as-hero .as-hero-kicker::before,
.as-hero .as-hero-kicker::after {
  content: "";
  display: inline-block;
  width: 26px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}
.as-hero .as-hero-kicker::after { background: linear-gradient(90deg, var(--cyan), transparent); }
.as-hero h1 {
  font-size: clamp(30px, 4vw, 42px);
  letter-spacing: 0.06em;
  margin: 0 0 var(--sp-3);
  background: linear-gradient(120deg, #f1f5f9 10%, var(--cyan) 45%, var(--blue) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.as-hero .as-hero-desc {
  max-width: 620px;
  margin: 0 auto var(--sp-4);
  color: var(--text-dim);
  font-size: 15px;
}
.as-hero-stats {
  display: flex;
  gap: var(--sp-5);
  justify-content: center;
  flex-wrap: wrap;
}
.as-hero-stat { text-align: center; }
.as-hero-stat .as-hero-stat-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  display: block;
}
.as-hero-stat .as-hero-stat-label {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* Hero 行动按钮 */
.as-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--sp-4);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #04121a;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan-600), var(--blue));
  border: none;
  cursor: pointer;
  box-shadow: var(--glow-cyan);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.as-hero-cta:hover {
  color: #04121a;
  transform: translateY(-2px);
  box-shadow: 0 0 26px rgba(34, 211, 238, 0.55);
}

/* ==========================================================================
   主体布局
   ========================================================================== */
.as-body { padding: var(--sp-6) 0 var(--sp-8); }
.as-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 20px;
  align-items: start;
}
.as-main { min-width: 0; }
.as-sidebar { position: sticky; top: 88px; }

/* 区块通用标题（分类页/搜索页头） */
.as-heading {
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.as-heading h1 { margin: 0; font-size: 24px; }
.as-heading .as-heading-meta { color: var(--text-faint); font-size: 14px; font-family: var(--font-mono); }

/* ==========================================================================
   文章卡片
   ========================================================================== */
.as-card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-l);
  padding: 16px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-card);
  transition: transform var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.as-card:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: var(--shadow-card), 0 0 24px rgba(34, 211, 238, 0.14);
}
.as-card.is-sticky { border-left: 3px solid var(--warning); }

.as-card-thumb {
  display: block;
  border-radius: var(--r-m);
  overflow: hidden;
  margin-bottom: var(--sp-3);
  line-height: 0;
  position: relative;
}
.as-card-thumb img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  transition: transform var(--t-mid) var(--ease), filter var(--t-mid) var(--ease);
}
.as-card:hover .as-card-thumb img { transform: scale(1.02); }
.as-card-thumb--fallback {
  aspect-ratio: 16 / 7;
  background:
    radial-gradient(120px 90px at 20% 18%, rgba(34, 211, 238, 0.25), transparent 65%),
    radial-gradient(140px 100px at 78% 30%, rgba(59, 130, 246, 0.22), transparent 65%),
    linear-gradient(135deg, var(--space-800), var(--space-700));
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}
.as-card-thumb-sat {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  color: rgba(34, 211, 238, 0.55);
  text-shadow: var(--glow-cyan);
}

.as-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: var(--sp-2);
  font-family: var(--font-mono);
}
.as-meta a.as-meta-cat { color: var(--cyan-600); }
.as-meta a.as-meta-cat:hover { color: var(--cyan); }
.as-meta-sep { color: var(--text-faint); }

.as-card h2.as-card-title { font-size: 17px; margin: 0 0 var(--sp-3); letter-spacing: 0.01em; }
.as-card h2.as-card-title a { color: #f1f5f9; }
.as-card h2.as-card-title a:hover { color: var(--cyan); }

.as-card-excerpt { color: var(--text-dim); margin: 0 0 var(--sp-3); font-size: 14px; }

/* 卡片统计（访问量/热度/时长） */
.as-card-stats {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 0 0 10px;
  font-size: 12.5px;
  color: var(--text-faint);
  font-family: var(--font-mono);
}
.as-card-stats .as-stat {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
.as-card-stats .as-stat svg { flex: none; }
.as-stat-hot {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: #1a0a00;
  padding: 2px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--warning), var(--danger));
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.35);
}
.as-card { scroll-margin-top: 92px; }
.as-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px dashed var(--line);
}
.as-read-more {
  font-size: 13px;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.as-read-more::after {
  content: "→";
  transition: transform var(--t-fast) var(--ease);
}
.as-read-more:hover::after { transform: translateX(4px); }

/* ==========================================================================
   文章详情
   ========================================================================== */
.as-article {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-l);
  padding: var(--sp-5);
  box-shadow: var(--shadow-card);
}
.as-article h1.as-article-title { font-size: clamp(22px, 2.6vw, 28px); margin: 0 0 var(--sp-3); }
.as-article .as-meta { margin-bottom: var(--sp-4); padding-bottom: var(--sp-4); border-bottom: 1px solid var(--line); }
.as-article-content { font-size: 15px; }

.as-article-content h2 {
  font-size: 20px;
  margin: 1.5em 0 0.6em;
  padding-left: var(--sp-3);
  border-left: 3px solid var(--cyan);
}
.as-article-content h3 { font-size: 18px; }
.as-article-content h4 { font-size: 16px; }
.as-article-content p, .as-article-content ul, .as-article-content ol {
  margin: 0 0 1.1em;
}
.as-article-content ul, .as-article-content ol { padding-left: 1.4em; }
.as-article-content li { margin-bottom: 0.35em; }
.as-article-content blockquote {
  margin: 0 0 1.2em;
  padding: var(--sp-3) var(--sp-5);
  border-left: 3px solid var(--blue);
  background: rgba(59, 130, 246, 0.08);
  border-radius: 0 var(--r-s) var(--r-s) 0;
  color: var(--text-dim);
}
.as-article-content img { border-radius: var(--r-m); margin: 0.5em 0; }
.as-article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.2em;
  font-size: 15px;
}
.as-article-content th, .as-article-content td {
  border: 1px solid var(--line);
  padding: var(--sp-2) var(--sp-3);
  text-align: left;
}
.as-article-content th { background: rgba(34, 211, 238, 0.10); color: var(--cyan); }
.as-article-content hr { border: none; border-top: 1px dashed var(--line); margin: 1.8em 0; }
.as-article-content a { text-decoration: underline; text-underline-offset: 3px; }

/* 代码块（含 HUD 控制条） */
.as-article-content pre,
.as-article-content code {
  font-family: var(--font-mono);
}
.as-article-content :not(pre) > code {
  background: rgba(34, 211, 238, 0.10);
  color: #7ff0ff;
  padding: 0.15em 0.4em;
  border-radius: 6px;
  font-size: 0.9em;
}
.as-codeblock { position: relative; margin: 0 0 1.2em; border-radius: var(--r-m); overflow: hidden; border: 1px solid var(--line); }
.as-codeblock-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px 7px var(--sp-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  background: rgba(13, 18, 40, 0.9);
  border-bottom: 1px solid var(--line);
}
.as-codeblock-tag::before {
  content: "▣ ";
  color: var(--cyan);
}
.as-code-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.10);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 3px 12px;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.as-code-copy:hover { border-color: var(--cyan-600); box-shadow: var(--glow-cyan); background: rgba(34, 211, 238, 0.18); }
.as-code-copy.is-copied { color: var(--success); border-color: var(--success); box-shadow: 0 0 12px rgba(52, 211, 153, 0.35); }
.as-article-content pre {
  margin: 0;
  padding: var(--sp-4);
  overflow: auto;
  background: #070b1c;
  color: #d8e4ff;
  font-size: 14px;
  line-height: 1.7;
  border-radius: 0;
}
.as-codeblock pre { border-radius: 0 0 var(--r-m) var(--r-m); }

/* 标签 */
.as-post-tags { margin-top: var(--sp-5); display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.as-post-tags .as-tag {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
  background: rgba(34, 211, 238, 0.05);
}
.as-post-tags .as-tag:hover { color: var(--cyan); border-color: var(--cyan-600); box-shadow: var(--glow-cyan); }

/* 上/下篇 */
.as-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-5);
}
.as-navlink {
  background: var(--glass-bg);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  padding: var(--sp-4);
  font-size: 14px;
  color: var(--text-dim);
  transition: border-color var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
}
.as-navlink:hover { border-color: var(--cyan-600); transform: translateY(-2px); }
.as-navlink .as-navlink-label { display: block; font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); margin-bottom: 4px; }
.as-navlink.next { text-align: right; }

/* ==========================================================================
   小部件（侧边栏）
   ========================================================================== */
.as-widget {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-m);
  padding: 14px;
  margin-bottom: var(--sp-3);
  box-shadow: var(--shadow-card);
}
.as-widget-title {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 var(--sp-2);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.as-widget-title::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.as-widget ul {
  list-style: none;
  margin: 0; padding: 0;
}
.as-widget ul li {
  padding: 6px 0;
  border-bottom: 1px dashed rgba(88, 166, 255, 0.10);
  font-size: 13.5px;
}
.as-widget ul li:last-child { border-bottom: none; }
.as-widget ul li a { color: var(--text-dim); display: block; }
.as-widget ul li a:hover { color: var(--cyan); padding-left: 3px; }
.as-widget ul li a .count,
.as-widget.widget_tag_cloud a { color: var(--text-dim); }

/* 搜索框 */
.as-search {
  display: flex;
  gap: var(--sp-2);
}
.as-search input[type="search"] {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  border-radius: var(--r-s);
  border: 1px solid var(--line);
  background: rgba(7, 11, 28, 0.7);
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-sans);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.as-search input[type="search"]:focus {
  outline: none;
  border-color: var(--cyan-600);
  box-shadow: var(--glow-cyan);
}
.as-search button {
  padding: 0 16px;
  border: 1px solid var(--cyan-600);
  background: linear-gradient(135deg, var(--cyan-600), var(--blue));
  color: #04121a;
  font-weight: 700;
  border-radius: var(--r-s);
  cursor: pointer;
  transition: filter var(--t-fast) var(--ease);
}
.as-search button:hover { filter: brightness(1.15); }

/* 底部搜索（无标准搜索框时） */
.as-widget form.search-form { display: flex; gap: var(--sp-2); }
.as-widget form.search-form input.search-field {
  flex: 1; min-width: 0;
  padding: 10px 14px;
  border-radius: var(--r-s);
  border: 1px solid var(--line);
  background: rgba(7, 11, 28, 0.7);
  color: var(--text);
}
.as-widget form.search-form input.search-field:focus { outline: none; border-color: var(--cyan-600); }
.as-widget form.search-form .search-submit {
  padding: 0 16px;
  border: 1px solid var(--cyan-600);
  background: linear-gradient(135deg, var(--cyan-600), var(--blue));
  color: #04121a;
  font-weight: 700;
  border-radius: var(--r-s);
  cursor: pointer;
}

/* 标签云 */
.as-widget.widget_tag_cloud a {
  display: inline-block;
  font-size: 13px !important;
  font-family: var(--font-mono);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
  margin: 3px 2px;
  background: rgba(34, 211, 238, 0.05);
}
.as-widget.widget_tag_cloud a:hover { color: var(--cyan); border-color: var(--cyan-600); box-shadow: var(--glow-cyan); }

/* ==========================================================================
   评论
   ========================================================================== */
.as-comments { margin-top: var(--sp-6); }
#comments .as-comments-title { font-size: 20px; }
.comment-list { list-style: none; margin: 0 0 var(--sp-5); padding: 0; }
.comment-list .comment { margin-bottom: var(--sp-4); }
.comment-body {
  background: rgba(17, 24, 58, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  padding: var(--sp-4);
}
.comment-body .avatar { border-radius: 50%; border: 1px solid var(--cyan-600); margin-right: var(--sp-3); }
.comment-author .fn { font-style: normal; color: #f1f5f9; font-weight: 600; }
.comment-author .says { color: var(--text-faint); }
.comment-metadata { font-size: 12.5px; color: var(--text-faint); font-family: var(--font-mono); }
.comment-content p { color: var(--text-dim); }
.comment-reply-link { font-size: 13px; color: var(--cyan); }
.comment-list .children { list-style: none; margin-top: var(--sp-4); padding-left: var(--sp-5); }

.comment-respond {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-m);
  padding: var(--sp-5);
}
.comment-form label { display: block; margin-bottom: 4px; font-size: 14px; color: var(--text-dim); }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--r-s);
  border: 1px solid var(--line);
  background: rgba(7, 11, 28, 0.7);
  color: var(--text);
  margin-bottom: var(--sp-3);
  font-family: var(--font-sans);
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--cyan-600); box-shadow: var(--glow-cyan); }
.comment-form .submit {
  padding: 10px 26px;
  border: 1px solid var(--cyan-600);
  background: linear-gradient(135deg, var(--cyan-600), var(--blue));
  color: #04121a;
  font-weight: 700;
  border-radius: var(--r-s);
  cursor: pointer;
  transition: filter var(--t-fast) var(--ease);
}
.comment-form .submit:hover { filter: brightness(1.15); }

/* ==========================================================================
   分页
   ========================================================================== */
.as-pagination .nav-links {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  justify-content: center;
  padding: var(--sp-3) 0;
}
.as-pagination .page-numbers {
  min-width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--glass-bg);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.as-pagination .page-numbers:hover,
.as-pagination .page-numbers.current {
  color: var(--cyan);
  border-color: var(--cyan-600);
  box-shadow: var(--glow-cyan);
}

/* ==========================================================================
   首页左侧文章索引（竖排 第一篇/第二篇… 半透明）
   ========================================================================== */
.as-card-nav-rail {
  position: fixed;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  opacity: 0.55;
  transition: opacity var(--t-mid) var(--ease);
}
.as-card-nav-rail:hover { opacity: 1; }

.as-card-nav-rail-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 6px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.as-card-nav-rail-list::before {
  content: "";
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 1px;
  background: var(--line);
}
.as-card-nav-rail-fill {
  position: absolute;
  left: 0; top: 6px;
  width: 2px; height: 0;
  transform: translateX(-50%);
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  box-shadow: var(--glow-cyan);
  transition: height var(--t-mid) var(--ease);
}
.as-card-nav-rail-item a {
  display: block;
  min-height: 18px;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease), text-shadow var(--t-fast) var(--ease);
}
.as-card-nav-rail-item a:hover { color: var(--cyan); }
.as-card-nav-rail-item.is-active a {
  color: var(--cyan);
  font-weight: 700;
  text-shadow: 0 0 8px rgba(34, 211, 238, 0.55);
}
@media (max-width: 720px) {
  .as-card-nav-rail { display: none; }
}
.as-card-nav { display: none; }
@media (min-width: 721px) {
  .as-card-nav { display: block; }
}

/* ==========================================================================
   首页太空网络安全时间轴 特辑横幅
   ========================================================================== */
.as-timeline {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  margin: var(--sp-2) 0 var(--sp-5);
  padding: 22px 26px;
  border-radius: var(--r-l);
  background:
    radial-gradient(420px 180px at 12% 0%, rgba(34, 211, 238, 0.14), transparent 62%),
    radial-gradient(360px 160px at 88% 110%, rgba(139, 92, 246, 0.16), transparent 62%),
    rgba(10, 15, 34, 0.72);
  border: 1px solid transparent;
  background-clip: padding-box;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.as-timeline::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(120deg, rgba(34, 211, 238, 0.75), rgba(59, 130, 246, 0.4), rgba(139, 92, 246, 0.75));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}
/* 顶部扫描辉光 */
.as-timeline::after {
  content: "";
  position: absolute;
  top: 0; left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(120, 230, 255, 0.85), transparent);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.8);
}
.as-timeline-orbit {
  position: absolute;
  inset: auto -60px -80px auto;
  width: 240px; height: 240px;
  border-radius: 50%;
  border: 1px dashed rgba(88, 166, 255, 0.18);
}
.as-timeline-icon {
  flex: none;
  filter: drop-shadow(0 0 12px rgba(34, 211, 238, 0.55));
  animation: asOrbitFloat 6s ease-in-out infinite;
}
@keyframes asOrbitFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.as-timeline-text { min-width: 0; }
.as-timeline-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: 6px;
}
.as-timeline-title {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #f1f5f9;
  background: linear-gradient(120deg, #f1f5f9, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.as-timeline-desc {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
}
.as-timeline-btn {
  flex: none;
  margin-left: auto;
  padding: 11px 24px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #04121a;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan-600), var(--blue));
  box-shadow: var(--glow-cyan);
  white-space: nowrap;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-mid) var(--ease), filter var(--t-fast) var(--ease);
}
.as-timeline-btn:hover {
  color: #04121a;
  transform: translateY(-2px);
  box-shadow: 0 0 26px rgba(34, 211, 238, 0.6);
  filter: brightness(1.1);
}

/* 太空网络安全时间轴 特辑 —— 整卡可点击 */
a.as-timeline--link {
  display: flex;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
a.as-timeline--link:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.35), 0 16px 40px rgba(0, 0, 0, 0.45), var(--glow-cyan);
}
a.as-timeline--link:hover .as-timeline-title {
  background-image: linear-gradient(120deg, #ffffff, #67e8f9);
}
a.as-timeline--link .as-timeline-btn {
  pointer-events: none;
}

/* SPARTA 战术矩阵 特辑 —— 整卡可点击（紫色系 hover 辉光） */
a.as-timeline--sparta:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.4), 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 26px rgba(167, 139, 250, 0.28);
}

@media (max-width: 760px) {
  .as-timeline { flex-direction: column; align-items: flex-start; gap: var(--sp-3); padding: 18px; }
  .as-timeline-btn { margin-left: 0; }
  .as-timeline-title { font-size: 19px; }
}

/* 特辑双横幅：时间轴 + SPARTA */
.as-special {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin: var(--sp-2) 0 var(--sp-5);
}
.as-special .as-timeline { margin: 0; min-width: 0; }
.as-timeline--sparta::before {
  background: linear-gradient(120deg, rgba(139, 92, 246, 0.8), rgba(59, 130, 246, 0.45), rgba(34, 211, 238, 0.8));
}
.as-timeline--sparta .as-timeline-kicker { color: var(--violet); text-shadow: 0 0 10px rgba(139, 92, 246, 0.6); }
.as-timeline--sparta .as-timeline-title {
  background: linear-gradient(120deg, #f1f5f9, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.as-timeline--sparta .as-timeline-btn {
  background: linear-gradient(135deg, #7c3aed, var(--blue));
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.45);
}
.as-timeline--sparta .as-timeline-btn:hover { box-shadow: 0 0 26px rgba(139, 92, 246, 0.65); }
@media (max-width: 980px) {
  .as-special { grid-template-columns: 1fr; }
}

/* ==========================================================================
   页脚
   ========================================================================== */
.as-footer {
  margin-top: var(--sp-7);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(8, 12, 30, 0.85));
}
.as-footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-7) var(--sp-4) var(--sp-5);
}
.as-footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--sp-6);
  align-items: start;
  margin-bottom: var(--sp-6);
}
.as-footer-brand .as-brand-symbol { font-size: 26px; }
.as-footer-brand p { color: var(--text-faint); font-size: 14px; margin: var(--sp-3) 0 0; }
.as-footer-quote {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--text-faint);
  border-left: 2px solid var(--cyan);
  padding-left: var(--sp-4);
  margin: var(--sp-3) 0 0;
}
.as-foot-widget-title { font-size: 14px; letter-spacing: 0.16em; color: var(--text-dim); }
.as-footer-bottom {
  border-top: 1px dashed var(--line);
  padding-top: var(--sp-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  align-items: center;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 13.5px;
}
.as-footer-bottom a { color: var(--text-dim); }
.as-footer-bottom a:hover { color: var(--cyan); }

/* 回到顶部 */
.as-top {
  position: fixed;
  right: 22px; bottom: 26px;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(13, 18, 40, 0.9);
  color: var(--cyan);
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
  z-index: 60;
}
.as-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.as-top:hover { box-shadow: var(--glow-cyan); }

/* 阅读进度条 */
.as-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  z-index: 90;
  pointer-events: none;
}
.as-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  box-shadow: var(--glow-cyan);
}

/* 卡片渐入（JS 增强，无 JS / 减少动效时保持可见） */
@keyframes asCardIn { from { opacity: 0; } to { opacity: 1; } }
html.js .as-card:not(.is-in) { opacity: 0; }
html.js .as-card.is-in { animation: asCardIn 0.5s ease both; }

/* ==========================================================================
   404
   ========================================================================== */
.as-404 { text-align: center; padding: var(--sp-8) 0; }
.as-404 .as-404-code {
  font-family: var(--font-mono);
  font-size: clamp(70px, 12vw, 130px);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: none;
}
.as-404 h1 { font-size: 26px; }
.as-404 p { color: var(--text-dim); max-width: 480px; margin: 0 auto var(--sp-5); }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .as-grid { grid-template-columns: minmax(0, 1fr) 260px; gap: var(--sp-4); }
}

@media (max-width: 900px) {
  .as-grid { grid-template-columns: 1fr; }
  .as-sidebar { position: static; }

  .as-nav-toggle { display: flex; }
  .as-nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(5, 8, 22, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    display: none;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
    padding: var(--sp-3);
  }
  .as-nav.is-open { display: block; }
  .as-menu { flex-direction: column; align-items: stretch; gap: 2px; }
  .as-menu a { padding: 13px 14px; }
  .as-menu .sub-menu { position: static; display: none; box-shadow: none; border: none; background: rgba(13, 18, 40, 0.55); margin: 0 0 0 var(--sp-3); }
  .as-menu li.is-expanded > .sub-menu { display: block; }
  .as-menu li.menu-item-has-children > a::after { content: "▾"; float: right; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .as-card { padding: var(--sp-4); }
  .as-article { padding: var(--sp-4); }
  .as-post-nav { grid-template-columns: 1fr; }
  .as-footer-top { grid-template-columns: 1fr; gap: var(--sp-4); }
  .as-hero { padding: var(--sp-6) 0 var(--sp-5); }
  .as-hero-stat .as-hero-stat-num { font-size: 22px; }
  .as-header-inner { gap: var(--sp-3); }
  .as-brand { font-size: 17px; }
}

/* ==========================================================================
   动效偏好：减少动画
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html.js .as-card:not(.is-in) { opacity: 1; }
}