@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Orbitron:wght@700;900&display=swap');

/* =====================
   CSS 自定义属性
   ===================== */
:root {
  --c-red: #ff0000;
  --c-pink: #ff006e;
  --c-dark: #1a1a2e;
  --c-dark2: #0f0f1a;
  --c-dark3: #16213e;
  --c-glass: rgba(255,255,255,0.05);
  --c-glass-border: rgba(255,0,110,0.25);
  --c-text: #e8e8f0;
  --c-text-dim: #9090b0;
  --c-neon-glow-r: 0 0 8px #ff0000, 0 0 20px rgba(255,0,0,0.5);
  --c-neon-glow-p: 0 0 8px #ff006e, 0 0 20px rgba(255,0,110,0.5);
  --font-title: 'Orbitron', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', monospace;
  --nav-h: 64px;
  --radius-card: 18px;
  --max-w: 1100px;
  --transition: 0.2s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background: var(--c-dark2);
  color: var(--c-text);
}

body.dark-body {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.7;
  background: var(--c-dark2);
  color: var(--c-text);
  min-height: 100vh;
  padding-bottom: calc(var(--nav-h) + 16px);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-pink); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-red); }
ul[role="list"] { list-style: none; }

/* =====================
   CRT 扫描线叠层
   ===================== */
.scanlines-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.12) 3px,
    rgba(0,0,0,0.12) 4px
  );
  animation: scanlines-drift 8s linear infinite;
}

@keyframes scanlines-drift {
  0% { background-position: 0 0; }
  100% { background-position: 0 400px; }
}

/* =====================
   导航（底部固定条）
   ===================== */
.site-header {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.bottom-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(26,26,46,0.95);
  border-top: 1px solid var(--c-glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  height: var(--nav-h);
  overflow-x: auto;
  scrollbar-width: none;
}
.bottom-nav::-webkit-scrollbar { display: none; }

.brand-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--c-red);
  box-shadow: var(--c-neon-glow-r);
  color: var(--c-red);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 0.65rem;
  letter-spacing: 0.02em;
  text-align: center;
  line-height: 1.1;
}
.brand-logo-img { width: 32px; height: 32px; object-fit: contain; }
.brand-glyph { font-family: var(--font-title); font-size: 0.6rem; font-weight: 900; color: var(--c-red); }

.nav-pills-wrap {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,0,110,0.4);
  background: rgba(255,0,110,0.08);
  color: var(--c-text-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: nowrap;
  transition: all var(--transition);
}
.nav-pill:hover, .nav-pill.active {
  border-color: var(--c-pink);
  background: rgba(255,0,110,0.2);
  color: #fff;
  box-shadow: var(--c-neon-glow-p);
}

.nav-search-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  margin-left: auto;
}
.nav-search {
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,0,0,0.3);
  background: rgba(255,0,0,0.07);
  color: var(--c-text);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  outline: none;
  width: 130px;
  transition: all var(--transition);
}
.nav-search:focus {
  border-color: var(--c-red);
  box-shadow: var(--c-neon-glow-r);
  width: 180px;
}
.nav-search::placeholder { color: var(--c-text-dim); }

/* =====================
   Neon テキスト / タイトル
   ===================== */
.neon-title {
  font-family: var(--font-title);
  font-weight: 900;
  color: #fff;
  text-shadow: var(--c-neon-glow-r);
  line-height: 1.2;
}

.neon-subtitle {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--c-pink);
  text-shadow: var(--c-neon-glow-p);
  letter-spacing: 0.06em;
}

.neon-link {
  color: var(--c-pink);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  transition: all var(--transition);
}
.neon-link:hover {
  color: #fff;
  text-shadow: var(--c-neon-glow-p);
}

.neon-hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink), transparent);
  margin: 6px 0 24px;
  box-shadow: 0 0 6px var(--c-pink);
}

/* =====================
   Glitch 动画
   ===================== */
.glitch-text {
  position: relative;
  display: inline-block;
  animation: glitch-main 4s infinite;
}
@keyframes glitch-main {
  0%, 90%, 100% { transform: none; filter: none; }
  92% { transform: skewX(-3deg) translateX(2px); filter: hue-rotate(60deg); }
  94% { transform: skewX(2deg) translateX(-2px); filter: hue-rotate(-60deg); }
  96% { transform: none; }
}

/* =====================
   Buttons
   ===================== */
.btn-neon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--c-red);
  background: rgba(255,0,0,0.1);
  color: #fff;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  transition: all var(--transition);
  cursor: pointer;
  text-shadow: 0 0 6px rgba(255,0,0,0.6);
}
.btn-neon:hover {
  background: rgba(255,0,0,0.25);
  box-shadow: var(--c-neon-glow-r);
  color: #fff;
}
.btn-neon-pink {
  border-color: var(--c-pink);
  background: rgba(255,0,110,0.1);
  text-shadow: 0 0 6px rgba(255,0,110,0.6);
}
.btn-neon-pink:hover {
  background: rgba(255,0,110,0.25);
  box-shadow: var(--c-neon-glow-p);
}
.btn-sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.78rem;
}

/* =====================
   Hero（首页双图错位）
   ===================== */
.hero-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 60px 20px 40px;
  background:
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(255,0,110,0.08) 0%, transparent 70%),
    linear-gradient(180deg, var(--c-dark2) 0%, var(--c-dark) 100%);
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,0,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,0,0,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-media {
  position: relative;
  height: 320px;
}
.hero-img-block {
  position: absolute;
  border-radius: var(--radius-card);
  border: 1px solid var(--c-glass-border);
  background: var(--c-glass);
  overflow: hidden;
}
.hero-img-a {
  width: 72%;
  height: 75%;
  top: 0;
  left: 0;
  box-shadow: 0 0 30px rgba(255,0,0,0.3);
  z-index: 2;
}
.hero-img-b {
  width: 65%;
  height: 70%;
  bottom: 0;
  right: 0;
  box-shadow: 0 0 30px rgba(255,0,110,0.3);
  z-index: 1;
  background: linear-gradient(135deg, rgba(255,0,110,0.15), rgba(26,26,46,0.8));
}
.hero-img { width: 100%; height: 100%; object-fit: cover; }

.floating-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  z-index: 3;
}
.badge-red {
  background: rgba(255,0,0,0.3);
  border: 1px solid var(--c-red);
  color: #fff;
  box-shadow: var(--c-neon-glow-r);
}
.badge-pink {
  background: rgba(255,0,110,0.3);
  border: 1px solid var(--c-pink);
  color: #fff;
  box-shadow: var(--c-neon-glow-p);
  bottom: 12px;
  right: 12px;
  left: auto;
}

.hero-copy {
  text-align: center;
}
.hero-eyebrow {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-pink);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.hero-h1 {
  font-size: clamp(1.6rem, 4vw, 3rem);
  margin-bottom: 16px;
}
.hero-sub {
  font-size: 0.95rem;
  color: var(--c-text-dim);
  max-width: 460px;
  margin: 0 auto 28px;
  line-height: 1.7;
}
.hero-cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =====================
   卡片 Grid
   ===================== */
.section-heading-wrap {
  max-width: var(--max-w);
  margin: 40px auto 0;
  padding: 0 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px;
}
.card-grid-sm {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.glass-card {
  background: var(--c-glass);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-card);
  padding: 22px 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,0,110,0.4), transparent);
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(255,0,110,0.2);
  border-color: var(--c-pink);
}
.glass-card h3 {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
  color: #fff;
}
.glass-card h3 a { color: #fff; transition: color var(--transition), text-shadow var(--transition); }
.glass-card h3 a:hover { color: var(--c-pink); text-shadow: var(--c-neon-glow-p); }

.card-sm { padding: 16px; }
.card-eyebrow {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--c-red);
  font-family: var(--font-title);
  margin-bottom: 8px;
  font-weight: 700;
}
.card-desc {
  font-size: 0.82rem;
  color: var(--c-text-dim);
  line-height: 1.6;
  margin-bottom: 14px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.card-tag {
  font-family: var(--font-title);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--c-pink);
  color: var(--c-pink);
  background: rgba(255,0,110,0.1);
}
.card-link {
  display: inline-block;
  margin-top: 4px;
}

/* =====================
   内页通用布局
   ===================== */
.inner-article {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.content-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 0 20px;
}

.page-eyebrow {
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-red);
  margin-bottom: 12px;
  text-transform: uppercase;
}

/* content-body 内部排版（正文 HTML 来自 page.content） */
.content-body h2 {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-pink);
  margin: 36px 0 6px;
  text-shadow: var(--c-neon-glow-p);
}
.content-body h2 + hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink), transparent);
  margin: 0 0 20px;
}
.content-body h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin: 28px 0 10px;
}
.content-body p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-text);
  margin-bottom: 16px;
}
.content-body a {
  color: var(--c-pink);
  border-bottom: 1px solid rgba(255,0,110,0.3);
  transition: all var(--transition);
}
.content-body a:hover {
  color: #fff;
  border-color: var(--c-pink);
  text-shadow: var(--c-neon-glow-p);
}
.content-body strong { color: #fff; font-weight: 700; }
.content-body em { color: var(--c-pink); font-style: normal; }
.content-body code {
  font-family: var(--font-mono);
  background: rgba(255,0,0,0.1);
  border: 1px solid rgba(255,0,0,0.2);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.88em;
  color: var(--c-red);
}
.content-body pre {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,0,0,0.2);
  border-radius: 10px;
  padding: 18px;
  overflow-x: auto;
  margin: 20px 0;
}
.content-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--c-text);
}
.content-body ul, .content-body ol {
  padding-left: 1.4em;
  margin-bottom: 16px;
}
.content-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}
.content-body blockquote {
  border-left: 3px solid var(--c-pink);
  padding: 12px 20px;
  margin: 20px 0;
  background: rgba(255,0,110,0.06);
  border-radius: 0 10px 10px 0;
  color: var(--c-text-dim);
  font-style: italic;
}
.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.88rem;
}
.content-body th {
  background: rgba(255,0,110,0.15);
  color: var(--c-pink);
  font-family: var(--font-title);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--c-pink);
}
.content-body td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--c-text);
  vertical-align: top;
}
.content-body tr:hover td {
  background: rgba(255,0,110,0.04);
}

/* =====================
   FAQ 页样式
   ===================== */
.inner-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 48px 0 40px;
  border-bottom: 1px solid rgba(255,0,110,0.15);
  margin-bottom: 36px;
}
.inner-hero-copy h1 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
.inner-hero-copy .hero-sub { max-width: 600px; }

.faq-hero-deco .deco-num {
  font-family: var(--font-title);
  font-size: 5rem;
  font-weight: 900;
  color: rgba(255,0,110,0.1);
  letter-spacing: -0.04em;
  line-height: 1;
  text-shadow: 0 0 40px rgba(255,0,110,0.2);
}

.faq-body { max-width: 780px; margin: 0 auto; }

/* =====================
   Article 页样式
   ===================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding: 20px 0 0;
  margin-bottom: 28px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
}
.bc-link { color: var(--c-text-dim); transition: color var(--transition); }
.bc-link:hover { color: var(--c-pink); }
.bc-sep { color: rgba(255,255,255,0.2); }
.bc-cur { color: var(--c-text); }

.article-header {
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,0,110,0.15);
  margin-bottom: 32px;
}
.article-hero-wrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 20px;
  max-height: 400px;
}
.article-hero-img { width: 100%; height: 100%; object-fit: cover; }
.article-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.article-date {
  font-size: 0.78rem;
  color: var(--c-text-dim);
  font-family: var(--font-mono);
}
.article-date-mod { opacity: 0.7; }
.article-h1 { font-size: clamp(1.4rem, 3.5vw, 2.4rem); margin-bottom: 12px; }
.article-lead { font-size: 1rem; color: var(--c-text-dim); line-height: 1.7; max-width: 700px; }
.article-content { max-width: 780px; margin: 0 auto; }
.article-footer-nav { max-width: 780px; margin: 32px auto 0; }

.entry-date {
  font-size: 0.75rem;
  color: var(--c-red);
  font-family: var(--font-mono);
}

/* =====================
   About 页样式
   ===================== */
.about-article { padding-top: 48px; }
.about-hero {
  position: relative;
  padding: 60px 0 40px;
  border-bottom: 1px solid rgba(255,0,110,0.15);
  margin-bottom: 36px;
  overflow: hidden;
}
.about-hero-deco {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.about-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,0,110,0.15);
  transform: translate(-50%, -50%);
}
.ring-1 { width: 200px; height: 200px; }
.ring-2 { width: 300px; height: 300px; }
.ring-3 { width: 420px; height: 420px; }
.about-hero-copy h1 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); margin-bottom: 12px; }
.about-body { max-width: 780px; margin: 0 auto; }
.about-links-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  max-width: 780px;
  margin: 32px auto 0;
}

/* =====================
   Privacy 页样式
   ===================== */
.privacy-article { padding-top: 40px; }
.privacy-hero {
  padding: 48px 0 36px;
  border-bottom: 1px solid rgba(255,0,0,0.15);
  margin-bottom: 36px;
}
.privacy-hero h1 { font-size: clamp(1.4rem, 3vw, 2.2rem); margin-bottom: 10px; }
.privacy-hero .article-date { display: block; margin-bottom: 14px; }
.privacy-body { max-width: 780px; margin: 0 auto; }
.privacy-footer-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  max-width: 780px;
  margin: 32px auto 0;
}

/* =====================
   页脚
   ===================== */
.site-footer {
  background: var(--c-dark);
  border-top: 1px solid rgba(255,0,110,0.15);
  padding: 0 0 calc(var(--nav-h) + 12px);
}

.footer-cta-block {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 28px 32px;
  background: linear-gradient(90deg, rgba(255,0,0,0.08), rgba(255,0,110,0.08));
  border-bottom: 1px solid rgba(255,0,110,0.1);
}
.footer-cta-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--c-red);
  text-shadow: var(--c-neon-glow-r);
}
.footer-cta-sub {
  font-size: 0.82rem;
  color: var(--c-text-dim);
  flex: 1;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 32px 20px 24px;
}

.footer-dl dt {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--c-red);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.footer-dl dd {
  margin-bottom: 10px;
}
.footer-dl dd a {
  color: var(--c-text-dim);
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  transition: color var(--transition);
}
.footer-dl dd a:hover {
  color: var(--c-pink);
}

.footer-bottom {
  padding: 14px 20px;
  border-top: 1px solid rgba(255,255,255,0.04);
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.2);
  font-family: var(--font-mono);
}

/* =====================
   Parallax (JS driven, CSS fallback)
   ===================== */
[data-parallax] {
  will-change: transform;
}

/* =====================
   响应式 ≤ 768px
   ===================== */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .hero-media {
    height: 220px;
    order: 1;
  }
  .hero-copy {
    order: 0;
  }
  .hero-h1 { font-size: 1.6rem; }
  .faq-hero-deco { display: none; }
  .inner-hero { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 24px; }
  .about-hero-deco { opacity: 0.3; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-cta-block { flex-direction: column; align-items: flex-start; gap: 10px; }
}

@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; }
  .bottom-nav { padding: 8px 12px; gap: 6px; }
  .nav-search { width: 90px; }
  .nav-search:focus { width: 130px; }
  .hero-section { min-height: 60vh; padding: 40px 16px 32px; }
  .inner-article { padding: 24px 16px 48px; }
  .footer-cta-block { padding: 20px 16px; }
  .footer-cols { padding: 24px 16px 16px; }
}

/* =====================
   prefers-reduced-motion
   ===================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}