@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Hebrew:wght@300;400;500;700&display=swap');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background: #0d0d0d;
  color: #e0e0e0;
}

body.cyberpunk-body {
  font-family: 'Noto Sans Hebrew', 'Segoe UI', system-ui, monospace;
  background: #0d0d0d;
  color: #e0e0e0;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ===== 扫描线叠层 ===== */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
  opacity: 0.4;
}

/* ===== CSS 变量 ===== */
:root {
  --c-primary: #8000ff;
  --c-secondary: #ff00ff;
  --c-bg: #0d0d0d;
  --c-bg2: #111118;
  --c-bg3: #16161f;
  --c-border: rgba(128, 0, 255, 0.35);
  --c-border2: rgba(255, 0, 255, 0.25);
  --c-text: #e0e0e0;
  --c-muted: #888899;
  --c-glow-purple: 0 0 12px rgba(128, 0, 255, 0.8), 0 0 30px rgba(128, 0, 255, 0.4);
  --c-glow-pink: 0 0 12px rgba(255, 0, 255, 0.8), 0 0 30px rgba(255, 0, 255, 0.4);
  --nav-h: 64px;
  --radius: 18px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

section {
  scroll-margin-top: calc(var(--nav-h) + 8px);
}

/* ===== 字体 ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Sans Hebrew', monospace;
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
}

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

a:hover, a:focus-visible {
  color: var(--c-secondary);
  text-shadow: var(--c-glow-pink);
  outline: none;
}

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

ul, ol {
  list-style: none;
}

/* ===== 容器 ===== */
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 2px 20px rgba(128, 0, 255, 0.15);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-shadow: none;
}

.brand-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(128,0,255,0.2), rgba(255,0,255,0.1));
  box-shadow: var(--c-glow-purple);
}

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

.logo-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
  text-shadow: var(--c-glow-purple);
  letter-spacing: 0.05em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 8px;
  margin-left: auto;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.hud-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-primary);
  box-shadow: var(--c-glow-purple);
  transition: transform var(--transition), opacity var(--transition);
}

.top-nav {
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-list li a {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-muted);
  border: 1px solid transparent;
  border-radius: 6px;
  letter-spacing: 0.04em;
  min-height: 40px;
  white-space: nowrap;
  transition: all var(--transition);
}

.nav-list li a:hover,
.nav-list li a:focus-visible {
  color: var(--c-secondary);
  border-color: var(--c-border2);
  background: rgba(255, 0, 255, 0.06);
  text-shadow: var(--c-glow-pink);
}

.cta-btn {
  flex-shrink: 0;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: #fff !important;
  font-weight: 700;
  font-size: 13px;
  border-radius: 8px;
  letter-spacing: 0.06em;
  min-height: 40px;
  display: flex;
  align-items: center;
  box-shadow: var(--c-glow-purple);
  transition: box-shadow var(--transition), transform var(--transition);
  text-shadow: none !important;
}

.cta-btn:hover,
.cta-btn:focus-visible {
  box-shadow: var(--c-glow-pink), var(--c-glow-purple);
  transform: translateY(-1px);
}

/* ===== Hero ===== */
.hero-section {
  min-height: 45vh;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--c-border);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(128,0,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,0,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-aside {
  flex-shrink: 0;
  width: 160px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  order: -1;
}

.badge-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.badge {
  display: inline-block;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 6px;
  text-align: center;
  border: 1px solid;
}

.badge-primary {
  color: var(--c-primary);
  border-color: var(--c-primary);
  background: rgba(128,0,255,0.1);
  box-shadow: inset 0 0 8px rgba(128,0,255,0.1);
}

.badge-secondary {
  color: var(--c-secondary);
  border-color: var(--c-secondary);
  background: rgba(255,0,255,0.08);
}

.badge-accent {
  color: #00ffff;
  border-color: #00ffff;
  background: rgba(0,255,255,0.06);
}

.badge-glow {
  color: #fff;
  border-color: var(--c-border);
  background: rgba(128,0,255,0.15);
  text-shadow: var(--c-glow-purple);
}

.aside-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-primary), transparent);
}

.aside-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-muted);
  text-transform: uppercase;
}

.aside-status {
  font-size: 12px;
  color: #00ff88;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #00ff88;
  box-shadow: 0 0 8px #00ff88;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-content {
  flex: 1;
  position: relative;
  z-index: 1;
  padding: 32px 40px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: rgba(16, 16, 30, 0.6);
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--c-secondary);
  text-shadow: var(--c-glow-pink);
  margin-bottom: 12px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: #fff;
  text-shadow: 0 0 20px rgba(128,0,255,0.6);
  margin-bottom: 16px;
  animation: glitch-in 0.6s ease forwards;
}

@keyframes glitch-in {
  0% { opacity: 0; transform: skewX(-5deg) translateX(-8px); }
  60% { opacity: 1; transform: skewX(1deg) translateX(2px); }
  100% { opacity: 1; transform: skewX(0) translateX(0); }
}

.subtitle {
  font-size: 16px;
  color: var(--c-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border-radius: 10px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  box-shadow: var(--c-glow-purple);
  letter-spacing: 0.05em;
  transition: all var(--transition);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--c-glow-pink), var(--c-glow-purple);
  color: #fff;
  text-shadow: none;
}

.btn-ghost {
  padding: 12px 24px;
  color: var(--c-primary);
  font-weight: 500;
  font-size: 15px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  background: rgba(128,0,255,0.05);
  transition: all var(--transition);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--c-secondary);
  color: var(--c-secondary);
  background: rgba(255,0,255,0.08);
  text-shadow: var(--c-glow-pink);
}

/* HUD 角标 */
.hero-hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: var(--radius);
}

.hud-corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--c-secondary);
  border-style: solid;
  opacity: 0.7;
}

.hud-tl { top: 8px; left: 8px; border-width: 2px 0 0 2px; }
.hud-tr { top: 8px; right: 8px; border-width: 2px 2px 0 0; }
.hud-bl { bottom: 8px; left: 8px; border-width: 0 0 2px 2px; }
.hud-br { bottom: 8px; right: 8px; border-width: 0 2px 2px 0; }

/* ===== 正文区域 ===== */
.content-section {
  padding: 60px 0;
}

.page-content {
  width: 100%;
}

/* page.content 内部样式 */
.page-content h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  color: #fff;
  margin: 56px 0 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-border);
  text-shadow: 0 0 15px rgba(128,0,255,0.5);
  position: relative;
}

.page-content h2::before {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  box-shadow: var(--c-glow-pink);
}

.page-content h3 {
  font-size: 1.15rem;
  color: var(--c-primary);
  margin: 28px 0 10px;
  text-shadow: 0 0 8px rgba(128,0,255,0.4);
}

.page-content p {
  font-size: 16px;
  line-height: 1.8;
  color: #c8c8d8;
  margin-bottom: 16px;
}

.page-content ul,
.page-content ol {
  margin: 12px 0 20px 0;
  padding-left: 0;
}

.page-content ul li,
.page-content ol li {
  font-size: 16px;
  line-height: 1.75;
  color: #c8c8d8;
  padding: 6px 0 6px 20px;
  position: relative;
}

.page-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--c-secondary);
  font-size: 12px;
  top: 9px;
}

.page-content ol {
  counter-reset: ol-count;
  list-style: none;
}

.page-content ol li {
  counter-increment: ol-count;
}

.page-content ol li::before {
  content: counter(ol-count, decimal-leading-zero);
  position: absolute;
  left: 0;
  color: var(--c-primary);
  font-size: 12px;
  font-weight: 700;
  top: 8px;
}

.page-content a {
  color: var(--c-secondary);
  border-bottom: 1px solid rgba(255,0,255,0.3);
}

.page-content a:hover {
  border-color: var(--c-secondary);
}

.page-content blockquote {
  border-left: 3px solid var(--c-primary);
  margin: 24px 0;
  padding: 16px 20px;
  background: rgba(128,0,255,0.07);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--c-muted);
}

.page-content strong {
  color: #fff;
  font-weight: 700;
}

.page-content section {
  padding: 40px 32px;
  margin-bottom: 32px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(16,16,30,0.8), rgba(13,13,20,0.9));
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-content section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary), transparent);
  opacity: 0.6;
}

.page-content section:hover {
  border-color: rgba(128,0,255,0.6);
  box-shadow: 0 0 30px rgba(128,0,255,0.12);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
  padding: 60px 24px 0;
  max-width: 100%;
}

.footer-top {
  max-width: 1200px;
  margin: 0 auto 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--c-border);
}

.footer-logo {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.7;
  margin-bottom: 8px;
}

.footer-keyword {
  font-size: 12px;
  color: rgba(128,0,255,0.7);
  letter-spacing: 0.05em;
}

.footer-contact-title {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 8px;
}

.footer-contact .subtitle {
  font-size: 14px;
  color: var(--c-muted);
  margin-bottom: 16px;
}

.contact-hint {
  font-size: 13px;
  color: var(--c-muted);
  padding: 16px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  background: rgba(128,0,255,0.04);
}

.footer-nav {
  max-width: 1200px;
  margin: 0 auto 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

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

.dl-heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-primary);
  text-transform: uppercase;
  text-shadow: var(--c-glow-purple);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
}

.footer-dl dd {
  margin: 0;
}

.footer-dl dd a,
.footer-dl dt a {
  display: block;
  padding: 7px 0;
  font-size: 13px;
  color: var(--c-muted);
  min-height: 40px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(128,0,255,0.08);
  transition: color var(--transition), padding-left var(--transition);
}

.footer-dl dd a:hover,
.footer-dl dt a:hover,
.footer-dl dd a:focus-visible,
.footer-dl dt a:focus-visible {
  color: var(--c-secondary);
  padding-left: 6px;
  text-shadow: var(--c-glow-pink);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0 24px;
  border-top: 1px solid var(--c-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.copyright {
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 12px;
  color: var(--c-muted);
}

.footer-links a {
  color: var(--c-muted);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 4px;
}

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

/* ===== 滚动揭示动画 ===== */
.page-content section {
  opacity: 0;
  transform: translateY(24px);
  animation: reveal 0.6s ease forwards;
}

.page-content section:nth-child(1) { animation-delay: 0.05s; }
.page-content section:nth-child(2) { animation-delay: 0.15s; }
.page-content section:nth-child(3) { animation-delay: 0.25s; }
.page-content section:nth-child(4) { animation-delay: 0.35s; }
.page-content section:nth-child(5) { animation-delay: 0.45s; }
.page-content section:nth-child(6) { animation-delay: 0.55s; }
.page-content section:nth-child(7) { animation-delay: 0.65s; }

@keyframes reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Glitch 动画 ===== */
@keyframes glitch-skew {
  0%, 100% { transform: skewX(0deg); }
  20% { transform: skewX(-1.5deg); }
  40% { transform: skewX(1deg); }
  60% { transform: skewX(-0.5deg); }
  80% { transform: skewX(0.8deg); }
}

.site-header {
  animation: glitch-skew 8s ease-in-out infinite;
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .hero-section {
    flex-direction: column;
    min-height: unset;
    padding: 40px 0 32px;
  }

  .hero-aside {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    order: 0;
  }

  .badge-list {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .aside-divider { display: none; }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 640px) {
  :root { --nav-h: 56px; }

  .nav-toggle {
    display: flex;
  }

  .top-nav {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(13,13,13,0.97);
    border-bottom: 1px solid var(--c-border);
    padding: 16px 24px;
    z-index: 999;
  }

  .top-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-list li a {
    font-size: 15px;
    padding: 12px 16px;
    min-height: 48px;
  }

  .cta-btn {
    display: none;
  }

  .hero-content {
    padding: 24px 20px;
  }

  .hero-section {
    padding: 28px 0 24px;
  }

  .page-content section {
    padding: 28px 20px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .wrap {
    padding: 0 16px;
  }

  .site-footer {
    padding: 40px 16px 0;
  }
}

/* ===== prefers-reduced-motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

button[aria-expanded]{min-width:44px;min-height:44px}