@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;700&display=swap');

/* ===== 变量 ===== */
:root {
  --green: #87ff71;
  --blue: #01cdfe;
  --dark: #192617;
  --purple: #b967ff;
  --pink: #ff71ce;
  --bg: #0a0f09;
  --bg2: #111a10;
  --bg3: #0d1a1f;
  --text: #e8ffe4;
  --text-muted: #7ab87a;
  --card-border: rgba(135,255,113,0.25);
  --radius: 28px;
  --nav-h: 48px;
  --header-h: 96px;
  --font: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
}
body.body-root {
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
  background: var(--bg);
  min-height: 100vh;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue); }
ul, menu { list-style: none; }
button, input { font-family: var(--font); }
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }

/* ===== 扫描线叠加 ===== */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
}

/* ===== 站点包装 ===== */
.site-wrapper { position: relative; z-index: 1; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(10,15,9,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(135,255,113,0.15);
}

.brand-row {
  display: flex;
  align-items: center;
  padding: 0 2rem;
  height: 52px;
  border-bottom: 1px solid rgba(135,255,113,0.08);
}

.brand-anchor {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-logo { height: 32px; width: auto; }

.brand-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.04em;
  text-shadow: 0 0 18px rgba(135,255,113,0.6), 0 0 40px rgba(135,255,113,0.3);
}

.nav-row {
  padding: 0 2rem;
  height: 44px;
  display: flex;
  align-items: center;
}

/* 桌面导航 */
.nav-desktop { display: flex; }
.nav-list-desktop {
  display: flex;
  gap: 0.2rem;
  align-items: center;
}
.nav-list-desktop .nav-link {
  display: flex;
  align-items: center;
  height: 44px;
  padding: 0 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition), text-shadow var(--transition);
}
.nav-list-desktop .nav-link:hover {
  color: var(--green);
  border-bottom-color: var(--green);
  text-shadow: 0 0 12px rgba(135,255,113,0.7);
}

/* details 导航（移动端） */
.nav-details { display: none; width: 100%; }
.nav-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  list-style: none;
  padding: 0.5rem 0;
  min-height: 44px;
  user-select: none;
}
.nav-toggle::-webkit-details-marker { display: none; }
.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.06em;
}
.nav-details[open] .nav-toggle .hamburger-bar:nth-child(1) { transform: rotate(45deg) translate(3px, 3px); }
.nav-details[open] .nav-toggle .hamburger-bar:nth-child(2) { opacity: 0; }
.nav-details[open] .nav-toggle .hamburger-bar:nth-child(3) { transform: rotate(-45deg) translate(3px, -3px); }

.nav-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(10,15,9,0.97);
  border-bottom: 2px solid var(--green);
  padding: 0.5rem 0;
  z-index: 300;
}
.nav-menu li { border-bottom: 1px solid rgba(135,255,113,0.08); }
.nav-menu .nav-link {
  display: flex;
  align-items: center;
  padding: 0.85rem 2rem;
  min-height: 48px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
}
.nav-menu .nav-link:hover { color: var(--green); background: rgba(135,255,113,0.05); }

/* ===== Hero ===== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0f09 0%, #0d1a1f 50%, #1a0a2e 100%);
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(185,103,255,0.08) 0%, transparent 60%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 40px,
      rgba(1,205,254,0.04) 40px,
      rgba(1,205,254,0.04) 41px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 40px,
      rgba(1,205,254,0.03) 40px,
      rgba(1,205,254,0.03) 41px
    );
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}

.hero-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(8rem, 20vw, 22rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(135,255,113,0.06);
  letter-spacing: 0.1em;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 0;
  animation: bgTextPulse 6s ease-in-out infinite alternate;
}

@keyframes bgTextPulse {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  width: 100%;
}

.hero-text { display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start; }

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--blue);
  text-transform: uppercase;
  text-shadow: 0 0 12px rgba(1,205,254,0.7);
  border: 1px solid rgba(1,205,254,0.3);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  display: inline-block;
}

.hero-h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 30px rgba(135,255,113,0.5), 0 0 60px rgba(135,255,113,0.2);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: var(--dark);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  text-decoration: none;
  min-height: 48px;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
  box-shadow: 0 0 20px rgba(135,255,113,0.3);
}
.hero-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 0 40px rgba(135,255,113,0.5), 0 0 80px rgba(1,205,254,0.2);
  filter: brightness(1.1);
  color: var(--dark);
}

.hero-media {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-img {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius);
  border: 1px solid rgba(135,255,113,0.2);
  box-shadow: 0 0 60px rgba(135,255,113,0.1), 0 0 120px rgba(1,205,254,0.08);
  animation: heroFloat 4s ease-in-out infinite alternate;
}

@keyframes heroFloat {
  from { transform: translateY(0); }
  to { transform: translateY(-12px); }
}

.hero-placeholder {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  border: 1px solid rgba(135,255,113,0.2);
  overflow: hidden;
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-grid-anim {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(180deg, rgba(185,103,255,0.15) 0%, rgba(1,205,254,0.15) 100%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 30px,
      rgba(135,255,113,0.1) 30px,
      rgba(135,255,113,0.1) 31px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 30px,
      rgba(135,255,113,0.1) 30px,
      rgba(135,255,113,0.1) 31px
    );
  animation: gridShift 3s linear infinite;
}

@keyframes gridShift {
  from { background-position: 0 0, 0 0, 0 0; }
  to { background-position: 0 0, 0 31px, 31px 0; }
}

/* ===== 内容区 ===== */
.content-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: start;
}

.main-content { min-width: 0; }
.page-article { width: 100%; }

/* ===== 正文内容注入区 ===== */
.content-sections { width: 100%; }

/* 正文内 section 样式 */
.content-sections section {
  margin-bottom: 5rem;
  scroll-margin-top: var(--header-h);
}

.content-sections h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--green);
  margin-bottom: 1.5rem;
  text-shadow: 0 0 20px rgba(135,255,113,0.4);
  position: relative;
  padding-bottom: 0.75rem;
}

.content-sections h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  border-radius: 2px;
}

.content-sections h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 1rem;
  text-shadow: 0 0 12px rgba(1,205,254,0.4);
}

.content-sections p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 1rem;
}

.content-sections ul, .content-sections ol {
  padding-left: 1.5rem;
  margin-bottom: 1.2rem;
}

.content-sections li {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.content-sections a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.content-sections a:hover { color: var(--blue); }

.content-sections strong { color: var(--green); font-weight: 700; }

.content-sections table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.content-sections th {
  background: rgba(135,255,113,0.1);
  color: var(--green);
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid var(--card-border);
  font-weight: 700;
}

.content-sections td {
  padding: 0.75rem 1rem;
  border: 1px solid rgba(135,255,113,0.1);
  color: var(--text);
}

.content-sections td:hover { background: rgba(135,255,113,0.03); }

/* section 卡片化 */
.content-sections > section {
  background: linear-gradient(135deg, rgba(25,38,23,0.6) 0%, rgba(13,26,31,0.6) 100%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.content-sections > section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--purple));
  opacity: 0.6;
}

.content-sections > section:hover {
  border-color: rgba(135,255,113,0.4);
  box-shadow: 0 0 40px rgba(135,255,113,0.06);
}

/* ===== 侧边栏 ===== */
.sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.aside-inner {
  background: linear-gradient(135deg, rgba(25,38,23,0.8) 0%, rgba(13,26,31,0.8) 100%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.aside-heading {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--blue);
  text-shadow: 0 0 10px rgba(1,205,254,0.5);
}

.aside-heading span { display: inline; }

.aside-nav-list { display: flex; flex-direction: column; gap: 0.3rem; }

.aside-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
  min-height: 40px;
}
.aside-link::before {
  content: '›';
  color: var(--green);
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
}
.aside-link:hover {
  background: rgba(135,255,113,0.08);
  color: var(--green);
}

.aside-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.badge-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(135,255,113,0.8);
  animation: blink 1.5s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.aside-brand-block {
  border-top: 1px solid rgba(135,255,113,0.1);
  padding-top: 1rem;
}

.aside-brand-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 0.25rem;
}

.aside-brand-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===== 页脚 ===== */
.site-footer {
  background: linear-gradient(180deg, var(--bg2) 0%, #050a04 100%);
  border-top: 1px solid rgba(135,255,113,0.12);
  margin-top: 4rem;
}

.footer-top-block {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.footer-block-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--green);
  margin-bottom: 1rem;
  text-shadow: 0 0 10px rgba(135,255,113,0.4);
}

.footer-block-title span { display: inline; }

.footer-contact-item {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.footer-link {
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-link:hover { color: var(--green); }

.footer-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-nav-list { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-nav-list li a {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  min-height: 32px;
  transition: color var(--transition);
}
.footer-nav-list li a:hover { color: var(--green); }

.subscribe-form { display: flex; flex-direction: column; gap: 0.75rem; }

.sub-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
}

.sub-row { display: flex; gap: 0.5rem; }

.sub-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(135,255,113,0.2);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  color: var(--text);
  font-size: 0.88rem;
  outline: none;
  min-height: 40px;
  transition: border-color var(--transition);
}
.sub-input:focus { border-color: var(--green); }
.sub-input::placeholder { color: rgba(122,184,122,0.4); }

.sub-btn {
  background: var(--green);
  color: var(--dark);
  border: none;
  border-radius: 8px;
  padding: 0 1.2rem;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  min-height: 40px;
  letter-spacing: 0.06em;
  transition: background var(--transition), box-shadow var(--transition);
}
.sub-btn:hover {
  background: var(--blue);
  box-shadow: 0 0 16px rgba(1,205,254,0.4);
}

.footer-bottom {
  border-top: 1px solid rgba(135,255,113,0.08);
}

.footer-bottom-nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-logo-wrap { flex-shrink: 0; }
.footer-brand-link { display: flex; align-items: center; }
.footer-brand-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 12px rgba(135,255,113,0.5);
}

.footer-bottom-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  flex: 1;
}

.footer-btm-link {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  min-height: 40px;
  display: flex;
  align-items: center;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: color var(--transition), background var(--transition);
}
.footer-btm-link:hover {
  color: var(--green);
  background: rgba(135,255,113,0.06);
}

.footer-copy {
  text-align: center;
  flex-shrink: 0;
}
.footer-copy p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.footer-disclaimer {
  font-size: 0.75rem;
  opacity: 0.6;
}

/* ===== Glitch 动效（标题） ===== */
@keyframes glitch {
  0% { text-shadow: 0 0 30px rgba(135,255,113,0.5); }
  20% { text-shadow: 3px 0 0 rgba(255,113,206,0.8), -3px 0 0 rgba(1,205,254,0.8); }
  40% { text-shadow: 0 0 30px rgba(135,255,113,0.5); }
  60% { text-shadow: -3px 0 0 rgba(185,103,255,0.8), 3px 0 0 rgba(135,255,113,0.8); }
  80% { text-shadow: 0 0 30px rgba(135,255,113,0.5); }
  100% { text-shadow: 3px 0 0 rgba(1,205,254,0.6), -3px 0 0 rgba(255,113,206,0.6); }
}

.hero-h1 { animation: glitch 5s ease-in-out infinite; }

/* ===== Stagger list 入场动效 ===== */
.content-sections > section {
  opacity: 0;
  transform: translateY(24px);
  animation: sectionIn 0.5s ease forwards;
}

.content-sections > section:nth-child(1) { animation-delay: 0.1s; }
.content-sections > section:nth-child(2) { animation-delay: 0.2s; }
.content-sections > section:nth-child(3) { animation-delay: 0.3s; }
.content-sections > section:nth-child(4) { animation-delay: 0.4s; }
.content-sections > section:nth-child(5) { animation-delay: 0.5s; }
.content-sections > section:nth-child(6) { animation-delay: 0.6s; }
.content-sections > section:nth-child(7) { animation-delay: 0.7s; }

@keyframes sectionIn {
  to { opacity: 1; transform: translateY(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; }
  .hero-h1 { animation: none; }
  .content-sections > section {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

/* ===== 移动端 ===== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    padding: 5rem 1.5rem 3rem;
    text-align: center;
  }
  .hero-text { align-items: center; }
  .hero-media { display: none; }
  .hero-bg-text { font-size: clamp(5rem, 30vw, 10rem); }

  .content-shell {
    grid-template-columns: 1fr;
    padding: 2.5rem 1.5rem;
    gap: 2rem;
  }

  .sidebar {
    position: static;
    order: -1;
  }

  .footer-top-block {
    grid-template-columns: 1fr 1fr;
    padding: 3rem 1.5rem;
    gap: 2rem;
  }

  .footer-bottom-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
  }

  .footer-copy { text-align: left; }
}

@media (max-width: 600px) {
  .nav-desktop { display: none; }
  .nav-details { display: block; }

  .brand-name { font-size: 1.2rem; }
  .brand-row { padding: 0 1rem; }
  .nav-row { padding: 0 1rem; position: relative; }

  .hero-h1 { font-size: clamp(1.8rem, 8vw, 2.5rem); }
  .hero-desc { font-size: 0.95rem; }

  .content-sections > section { padding: 1.5rem; }
  .content-sections h2 { font-size: 1.3rem; }

  .footer-top-block {
    grid-template-columns: 1fr;
    padding: 2.5rem 1rem;
  }

  .sub-row { flex-direction: column; }
  .sub-btn { width: 100%; min-height: 48px; }

  :root { --header-h: 96px; }
}

@media (max-width: 375px) {
  .footer-bottom-links { gap: 0.25rem; }
  .footer-btm-link { font-size: 0.78rem; padding: 0.4rem 0.5rem; }
}