@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Josefin+Sans:wght@300;400;500;600;700&display=swap');

/* ─── 基础变量 ─── */
:root {
  --clr-primary: #87ff71;
  --clr-accent: #01cdfe;
  --clr-dark: #192617;
  --clr-deep: #0a0f1a;
  --clr-surface: rgba(255,255,255,0.04);
  --clr-surface-hover: rgba(255,255,255,0.09);
  --clr-border: rgba(135,255,113,0.18);
  --clr-border-accent: rgba(1,205,254,0.25);
  --clr-text: #e8f8e0;
  --clr-muted: #8ab882;
  --glow-green: 0 0 8px #87ff71, 0 0 20px rgba(135,255,113,0.45);
  --glow-cyan: 0 0 8px #01cdfe, 0 0 20px rgba(1,205,254,0.45);
  --font-title: 'Cinzel', 'Georgia', serif;
  --font-body: 'Josefin Sans', 'Helvetica Neue', Arial, sans-serif;
  --nav-h: 120px;
  --radius: 0;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ─── 重置 ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 17px;
  background: var(--clr-deep);
  color: var(--clr-text);
}
body {
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  background: linear-gradient(160deg, #0a0f1a 0%, #12042a 40%, #021a20 80%, #0a0f1a 100%);
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-primary); }
ul { list-style: none; }
address { font-style: normal; }

/* ─── 滚动偏移（吸顶导航）─── */
div[id] { scroll-margin-top: calc(var(--nav-h) + 16px); }

/* ─── 扫描线纹理 ─── */
.vaporwave-body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.08) 3px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ─── 页头 ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(10,15,26,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border-accent);
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.7rem 2.4rem;
  border-bottom: 1px solid rgba(135,255,113,0.08);
}
.brand-link { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand-logo { height: 36px; width: auto; }
.brand-text-logo {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--clr-primary);
  text-shadow: var(--glow-green);
}
.brand-slogan {
  font-size: 0.78rem;
  color: var(--clr-muted);
  letter-spacing: 0.06em;
  font-family: var(--font-body);
  font-weight: 300;
}

/* 菜单行 */
.main-nav {
  padding: 0 2.4rem;
}
.main-nav p {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.55rem 0;
}
.main-nav p a {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1rem;
  min-height: 40px;
  font-size: 0.82rem;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--clr-text);
  background: rgba(135,255,113,0.06);
  border: 1px solid var(--clr-border);
  border-radius: 999px;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.main-nav p a:hover {
  background: rgba(135,255,113,0.15);
  color: var(--clr-primary);
  border-color: var(--clr-primary);
  box-shadow: var(--glow-green);
}

/* ─── Hero ─── */
.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0f1a 0%, #12042a 50%, #021a20 100%);
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(1,205,254,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 60%, rgba(135,255,113,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 80% 40% at 50% 0%, rgba(185,103,255,0.10) 0%, transparent 60%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 3rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2.4rem;
}
.hero-text {
  flex: 1 1 55%;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: flex-start;
}
.hero-badge {
  display: inline-block;
  padding: 0.28rem 0.9rem;
  font-size: 0.7rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--clr-dark);
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: 999px;
  text-transform: uppercase;
}
.hero-h1 {
  font-family: var(--font-title);
  font-size: clamp(1.9rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-primary);
  text-shadow: var(--glow-green);
  letter-spacing: 0.04em;
}
.hero-desc {
  font-size: 1rem;
  color: var(--clr-muted);
  max-width: 480px;
  line-height: 1.75;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 2rem;
  min-height: 48px;
  font-family: var(--font-title);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--clr-dark);
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
}
.hero-cta:hover {
  box-shadow: 0 0 18px rgba(135,255,113,0.6), 0 0 36px rgba(1,205,254,0.3);
  transform: translateY(-2px);
  color: var(--clr-dark);
}
.hero-media {
  flex: 0 0 38%;
  max-width: 420px;
  position: relative;
}
.hero-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 0 32px rgba(1,205,254,0.25), 0 0 64px rgba(135,255,113,0.12);
}
/* 占位媒体 */
.hero-media-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--clr-border-accent);
}
.vaporwave-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(transparent 50%, rgba(1,205,254,0.06) 50%),
    linear-gradient(90deg, transparent 50%, rgba(1,205,254,0.06) 50%);
  background-size: 40px 40px;
  transform: perspective(300px) rotateX(30deg);
  transform-origin: bottom center;
}
.neon-orb {
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(135,255,113,0.25) 0%, rgba(1,205,254,0.15) 50%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse-orb 3s ease-in-out infinite;
}
@keyframes pulse-orb {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}
/* 扫描线叠加 */
.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 5px,
    rgba(0,0,0,0.06) 5px,
    rgba(0,0,0,0.06) 6px
  );
  pointer-events: none;
  z-index: 3;
}

/* ─── 主内容 ─── */
.main-content {
  width: 100%;
}
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2.4rem;
}
.content-section {
  width: 100%;
}
.content-article {
  width: 100%;
}
.content-layout {
  display: flex;
  gap: 2.4rem;
  align-items: flex-start;
}

/* ─── Aside 侧边栏（左侧）─── */
.content-aside {
  flex: 0 0 200px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.aside-inner {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(10px);
  padding: 1.4rem;
}
.aside-title {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--clr-primary);
  text-shadow: var(--glow-green);
  margin-bottom: 0.6rem;
}
.aside-inner hr {
  border: none;
  border-top: 1px solid var(--clr-border);
  margin-bottom: 1rem;
}
.aside-inner ul {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.aside-inner ul li a {
  display: block;
  padding: 0.4rem 0.6rem;
  min-height: 40px;
  font-size: 0.8rem;
  font-family: var(--font-body);
  color: var(--clr-muted);
  border-left: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  line-height: 1.4;
  display: flex;
  align-items: center;
}
.aside-inner ul li a:hover {
  color: var(--clr-accent);
  border-left-color: var(--clr-accent);
  background: rgba(1,205,254,0.07);
}

/* ─── 正文内容区 ─── */
.content-body {
  flex: 1 1 0;
  min-width: 0;
}

/* 正文内通用 div 样式 */
.content-body div {
  margin-bottom: 3.5rem;
  padding: 2rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}
.content-body div::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--clr-primary), var(--clr-accent));
}
.content-body h2,
.content-body h3 {
  font-family: var(--font-title);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
.content-body h2 {
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  color: var(--clr-primary);
  text-shadow: 0 0 12px rgba(135,255,113,0.4);
}
.content-body h3 {
  font-size: 1.08rem;
  color: var(--clr-accent);
  text-shadow: 0 0 8px rgba(1,205,254,0.3);
}
.content-body hr {
  border: none;
  border-top: 1px solid var(--clr-border-accent);
  margin: 0.6rem 0 1.2rem;
}
.content-body p {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--clr-text);
}
.content-body ul, .content-body ol {
  padding-left: 1.4rem;
  margin-bottom: 1rem;
}
.content-body ul { list-style: disc; }
.content-body ol { list-style: decimal; }
.content-body li {
  margin-bottom: 0.45rem;
  font-size: 0.97rem;
  line-height: 1.7;
  color: var(--clr-text);
}
.content-body a {
  color: var(--clr-accent);
  border-bottom: 1px solid rgba(1,205,254,0.3);
  transition: color var(--transition), border-color var(--transition);
}
.content-body a:hover {
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.content-body strong {
  color: var(--clr-primary);
  font-weight: 600;
}
.content-body em {
  color: var(--clr-accent);
  font-style: normal;
}
.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.2rem;
  font-size: 0.92rem;
}
.content-body th {
  background: rgba(135,255,113,0.1);
  color: var(--clr-primary);
  font-family: var(--font-title);
  font-weight: 600;
  padding: 0.6rem 1rem;
  border: 1px solid var(--clr-border);
  text-align: left;
}
.content-body td {
  padding: 0.55rem 1rem;
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
}
.content-body td:hover {
  background: rgba(1,205,254,0.05);
}
.content-body blockquote {
  border-left: 3px solid var(--clr-accent);
  padding: 0.8rem 1.2rem;
  margin: 1.2rem 0;
  background: rgba(1,205,254,0.06);
  color: var(--clr-muted);
  font-size: 0.95rem;
}

/* ─── 页脚 ─── */
.site-footer {
  border-top: 1px solid var(--clr-border);
  background: rgba(10,15,26,0.95);
  margin-top: 2rem;
}
.footer-cta-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2.4rem;
  background: linear-gradient(90deg, rgba(135,255,113,0.07), rgba(1,205,254,0.07));
  border-bottom: 1px solid var(--clr-border);
  flex-wrap: wrap;
}
.footer-cta-text {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--clr-text);
  letter-spacing: 0.04em;
}
.footer-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.8rem;
  min-height: 44px;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--clr-dark);
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: 999px;
  transition: box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.footer-cta-btn:hover {
  box-shadow: var(--glow-green);
  transform: translateY(-1px);
  color: var(--clr-dark);
}
.footer-bar {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 2.4rem;
  flex-wrap: wrap;
}
.footer-address {
  font-size: 0.8rem;
  color: var(--clr-muted);
  font-family: var(--font-body);
  flex: 1 1 auto;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.8rem;
  list-style: none;
}
.footer-links li a {
  font-size: 0.78rem;
  color: var(--clr-muted);
  padding: 0.3rem 0;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  transition: color var(--transition);
}
.footer-links li a:hover { color: var(--clr-primary); }
.footer-copy {
  font-size: 0.75rem;
  color: rgba(138,184,130,0.5);
  font-family: var(--font-body);
  width: 100%;
  padding-top: 0.4rem;
  border-top: 1px solid rgba(135,255,113,0.06);
}

/* ─── Scroll Reveal 动画 ─── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ─── Parallax Hero ─── */
.hero-section { will-change: transform; }

/* ─── Glitch 标题装饰（可选类）─── */
@keyframes glitch-shift {
  0%, 100% { text-shadow: var(--glow-green); }
  25% { text-shadow: -2px 0 #ff71ce, 2px 0 var(--clr-accent), var(--glow-green); }
  75% { text-shadow: 2px 0 #b967ff, -2px 0 var(--clr-primary), var(--glow-cyan); }
}
.hero-h1 {
  animation: glitch-shift 6s ease-in-out infinite;
}

/* ─── prefers-reduced-motion ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ─── 响应式 ─── */
@media (max-width: 900px) {
  .content-layout { flex-direction: column; }
  .content-aside {
    flex: 0 0 auto;
    position: static;
    width: 100%;
  }
  .aside-inner ul { flex-direction: row; flex-wrap: wrap; }
  .aside-inner ul li a { border-left: none; border-bottom: 2px solid transparent; }
  .aside-inner ul li a:hover { border-left: none; border-bottom-color: var(--clr-accent); }
  .hero-inner { flex-direction: column; padding: 2.5rem 1.5rem; }
  .hero-media { width: 100%; max-width: 100%; }
  .hero-text { align-items: flex-start; }
}

@media (max-width: 640px) {
  :root { --nav-h: 110px; }
  .brand-row { padding: 0.6rem 1rem; }
  .brand-text-logo { font-size: 1rem; }
  .brand-slogan { display: none; }
  .main-nav { padding: 0 1rem; }
  .main-nav p { gap: 0.3rem; padding: 0.4rem 0; }
  .main-nav p a { font-size: 0.74rem; padding: 0.38rem 0.7rem; min-height: 40px; }
  .wrap { padding: 2rem 1rem; }
  .content-body div { padding: 1.2rem; }
  .hero-h1 { font-size: 1.6rem; }
  .footer-cta-block { flex-direction: column; align-items: flex-start; padding: 1.5rem 1rem; }
  .footer-bar { padding: 0.8rem 1rem; gap: 1rem; }
  .footer-links { gap: 0.2rem 0.6rem; }
}

@media (max-width: 375px) {
  .main-nav p a { font-size: 0.7rem; padding: 0.35rem 0.55rem; }
  .hero-h1 { font-size: 1.4rem; }
}