/* =========================================================
   磁力猫搜索 - 全站样式表
   主题：磁力搜索引擎 · 深空科技风
   ========================================================= */

/* ---------- 1. 变量与基础 ---------- */
:root {
  --bg: #070b14;
  --bg-2: #0a101f;
  --panel: #0e1628;
  --panel-2: #121c33;
  --line: rgba(148, 163, 184, 0.16);
  --txt: #e8eef8;
  --muted: #9aa8bf;
  --brand: #5b8cff;
  --brand-2: #22d3ee;
  --accent: #a78bfa;
  --ok: #34d399;
  --warn: #fbbf24;
  --grad: linear-gradient(135deg, #5b8cff 0%, #22d3ee 100%);
  --grad-soft: linear-gradient(135deg, rgba(91,140,255,.20), rgba(34,211,238,.14));
  --shadow-lg: 0 24px 60px rgba(2, 6, 18, .55);
  --shadow-glow: 0 12px 40px rgba(91, 140, 255, .35);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 72px;
  --max: 1200px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--txt);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

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

a { color: var(--brand-2); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--brand); }

ul, ol { list-style: none; }

button { font-family: inherit; cursor: pointer; }

::selection { background: rgba(91, 140, 255, .45); color: #fff; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: 10px 18px;
  z-index: 2000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- 2. 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; position: relative; }
.section-alt { background: var(--bg-2); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--brand-2);
  text-transform: uppercase;
  background: rgba(34, 211, 238, .08);
  border: 1px solid rgba(34, 211, 238, .25);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 16px;
  background: linear-gradient(120deg, #fff 30%, #9fc0ff 70%, var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc { color: var(--muted); font-size: 16.5px; }

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  border: 0;
}

/* ---------- 3. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(.98); }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 18px 48px rgba(91, 140, 255, .5);
}

.btn-ghost {
  background: transparent;
  color: var(--txt);
  border-color: rgba(148, 163, 184, .35);
}
.btn-ghost:hover {
  border-color: var(--brand-2);
  color: var(--brand-2);
  transform: translateY(-3px);
  background: rgba(34, 211, 238, .06);
}

.btn-light { background: #fff; color: #101830; font-weight: 600; }
.btn-light:hover { color: #101830; transform: translateY(-3px); box-shadow: 0 16px 40px rgba(255,255,255,.25); }

.btn-sm { padding: 9px 22px; font-size: 14px; }
.btn-lg { padding: 17px 42px; font-size: 16.5px; }
.btn-block { width: 100%; }

/* ---------- 4. 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(7, 11, 20, .72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(7, 11, 20, .92);
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px rgba(2, 6, 18, .5);
}

.navbar {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--grad);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-glow);
  animation: pulseGlow 3.5s ease-in-out infinite;
}
.brand-logo svg { width: 22px; height: 22px; }
.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--txt);
  letter-spacing: .5px;
}
.brand-name em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 15px;
  position: relative;
  transition: color .25s ease, background .25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: translateX(-50%);
  transition: width .3s ease;
}
.nav-link:hover { color: var(--txt); }
.nav-link:hover::after { width: 22px; }
.nav-link.active { color: var(--txt); background: rgba(91, 140, 255, .12); }
.nav-link.active::after { width: 22px; }

.nav-cta-item { margin-left: 10px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--txt);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. Hero 主视觉 ---------- */
.hero {
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
  background:
    radial-gradient(60% 50% at 15% 20%, rgba(91, 140, 255, .18) 0%, transparent 60%),
    radial-gradient(50% 45% at 85% 25%, rgba(34, 211, 238, .14) 0%, transparent 60%),
    radial-gradient(40% 40% at 60% 90%, rgba(167, 139, 250, .10) 0%, transparent 60%),
    var(--bg);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--brand-2);
  background: rgba(34, 211, 238, .08);
  border: 1px solid rgba(34, 211, 238, .3);
  padding: 7px 18px;
  border-radius: 999px;
  margin-bottom: 22px;
  animation: fadeDown .8s ease both;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px var(--ok);
  animation: pulseDot 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(34px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 1px;
  margin-bottom: 20px;
  animation: fadeUp .8s ease .1s both;
}
.hero-title .grad {
  background: linear-gradient(120deg, #5b8cff 10%, #22d3ee 55%, #a78bfa 95%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradShift 6s ease infinite;
}

.hero-sub {
  font-size: 17.5px;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 34px;
  animation: fadeUp .8s ease .2s both;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(14, 22, 40, .85);
  border: 1px solid rgba(91, 140, 255, .35);
  border-radius: 999px;
  padding: 8px 8px 8px 22px;
  max-width: 560px;
  box-shadow: var(--shadow-glow);
  transition: border-color .3s ease, box-shadow .3s ease;
  animation: fadeUp .8s ease .3s both;
}
.search-box:focus-within {
  border-color: var(--brand-2);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, .15), var(--shadow-glow);
}
.search-box svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--muted); }
.search-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--txt);
  font-size: 15.5px;
  font-family: inherit;
}
.search-input::placeholder { color: rgba(154, 168, 191, .6); }
.search-btn {
  border: 0;
  background: var(--grad);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform .25s ease, box-shadow .25s ease;
}
.search-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(91, 140, 255, .5); }

.hot-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-size: 13.5px;
  color: var(--muted);
  animation: fadeUp .8s ease .4s both;
}
.tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, .03);
  transition: all .25s ease;
}
.tag:hover {
  color: var(--brand-2);
  border-color: rgba(34, 211, 238, .5);
  background: rgba(34, 211, 238, .08);
  transform: translateY(-2px);
}

.hero-visual { position: relative; animation: fadeUp .9s ease .25s both; }
.hero-img {
  width: 100%;
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}

.float-card {
  position: absolute;
  background: rgba(14, 22, 40, .9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(91, 140, 255, .35);
  border-radius: 14px;
  padding: 12px 18px;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  animation: float 5s ease-in-out infinite;
}
.float-card strong { color: var(--brand-2); }
.fc1 { top: -22px; left: -14px; animation-delay: 0s; }
.fc2 { bottom: 40px; left: -26px; animation-delay: 1.2s; }
.fc3 { top: 38%; right: -18px; animation-delay: 2.2s; }

/* ---------- 6. 核心特性 ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.feature-card {
  position: relative;
  background: linear-gradient(160deg, rgba(18, 28, 51, .9), rgba(10, 16, 31, .9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px;
  overflow: hidden;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity .35s ease;
}
.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(91, 140, 255, .45);
  box-shadow: var(--shadow-lg);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--grad-soft);
  border: 1px solid rgba(91, 140, 255, .3);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  transition: transform .35s ease;
}
.feature-card:hover .feature-icon { transform: scale(1.08) rotate(-4deg); }
.feature-icon svg { width: 26px; height: 26px; color: var(--brand-2); }

.feature-title { font-size: 19px; font-weight: 600; margin-bottom: 10px; color: var(--txt); }
.feature-desc { font-size: 14.5px; color: var(--muted); }
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--brand-2);
}
.feature-link:hover { gap: 10px; }

/* ---------- 7. 服务介绍 ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.service-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(34, 211, 238, .4);
}
.service-img { overflow: hidden; aspect-ratio: 16 / 10; }
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.service-card:hover .service-img img { transform: scale(1.06); }
.service-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.service-tag {
  align-self: flex-start;
  font-size: 12px;
  color: var(--brand-2);
  background: rgba(34, 211, 238, .1);
  border: 1px solid rgba(34, 211, 238, .3);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.service-title { font-size: 18.5px; font-weight: 600; margin-bottom: 10px; }
.service-desc { font-size: 14.5px; color: var(--muted); flex: 1; }
.service-more { margin-top: 16px; font-size: 14px; color: var(--brand-2); display: inline-flex; align-items: center; gap: 6px; }
.service-more:hover { gap: 10px; }

/* ---------- 8. 图文分栏 / 流程 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media { position: relative; }
.split-media img {
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  width: 100%;
}
.split-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 18px;
}
.split-desc { color: var(--muted); margin-bottom: 26px; }

.check-list { display: grid; gap: 14px; margin-bottom: 30px; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 15px;
}
.check-list svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--ok);
  margin-top: 3px;
}
.check-list strong { color: var(--txt); font-weight: 600; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  transition: transform .3s ease, border-color .3s ease;
}
.step-card:hover { transform: translateY(-6px); border-color: rgba(91, 140, 255, .45); }
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  box-shadow: var(--shadow-glow);
}
.step-title { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.step-desc { font-size: 14px; color: var(--muted); }

/* ---------- 9. 数据指标 ---------- */
.stats-band {
  background:
    radial-gradient(50% 80% at 20% 20%, rgba(91, 140, 255, .16) 0%, transparent 60%),
    radial-gradient(50% 80% at 80% 80%, rgba(34, 211, 238, .12) 0%, transparent 60%),
    var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 70px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat-num {
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.stat-label { color: var(--muted); font-size: 14.5px; margin-top: 6px; }

/* ---------- 10. 新闻卡片 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.news-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(91, 140, 255, .4);
}
.news-img { aspect-ratio: 16 / 9; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-card:hover .news-img img { transform: scale(1.06); }
.news-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.news-tag {
  font-size: 12px;
  color: var(--brand-2);
  background: rgba(34, 211, 238, .1);
  border: 1px solid rgba(34, 211, 238, .3);
  padding: 2px 12px;
  border-radius: 999px;
}
.news-title { font-size: 17.5px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; }
.news-title a { color: var(--txt); }
.news-title a:hover { color: var(--brand-2); }
.news-excerpt { font-size: 14px; color: var(--muted); flex: 1; }
.news-more {
  margin-top: 16px;
  font-size: 14px;
  color: var(--brand-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-more:hover { gap: 10px; }

.center-more { text-align: center; margin-top: 44px; }

.chip-cloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.chip {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 14px;
  transition: all .25s ease;
}
.chip:hover, .chip.active {
  background: var(--grad-soft);
  border-color: rgba(91, 140, 255, .5);
  color: var(--txt);
  transform: translateY(-2px);
}

.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 50px; }
.page-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 14.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
}
.page-btn:hover { border-color: var(--brand); color: var(--txt); transform: translateY(-2px); }
.page-btn.active { background: var(--grad); border-color: transparent; color: #fff; }

/* ---------- 11. 常见问题 FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 16px; }
.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color .3s ease;
}
.faq-item[open] { border-color: rgba(91, 140, 255, .45); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--txt);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--brand-2);
  flex-shrink: 0;
  transition: transform .3s ease;
  line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-a {
  padding: 0 24px 22px;
  color: var(--muted);
  font-size: 14.5px;
}

/* ---------- 12. CTA 行动号召 ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(60% 90% at 15% 10%, rgba(91, 140, 255, .25) 0%, transparent 60%),
    radial-gradient(50% 80% at 85% 90%, rgba(34, 211, 238, .2) 0%, transparent 60%),
    linear-gradient(135deg, #101a33, #0c1226);
  border-top: 1px solid rgba(91, 140, 255, .25);
  padding: 90px 0;
  text-align: center;
}
.cta-title {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-desc { color: var(--muted); max-width: 640px; margin: 0 auto 36px; font-size: 16.5px; }
.cta-actions { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }

/* ---------- 13. 页脚 ---------- */
.site-footer {
  background: #060911;
  border-top: 1px solid var(--line);
  padding-top: 70px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 50px;
}
.footer-brand .brand { margin-bottom: 18px; }
.footer-desc { color: var(--muted); font-size: 14px; max-width: 320px; }
.footer-title { font-size: 16px; font-weight: 600; margin-bottom: 20px; color: var(--txt); }
.footer-links { display: grid; gap: 12px; }
.footer-links a { color: var(--muted); font-size: 14px; transition: color .25s ease, padding-left .25s ease; }
.footer-links a:hover { color: var(--brand-2); padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  text-align: center;
  color: var(--muted);
  font-size: 13.5px;
}
.footer-bottom p { margin: 4px 0; }
.footer-note { opacity: .75; }

/* ---------- 14. 子页面 Hero ---------- */
.page-hero {
  position: relative;
  padding: 90px 0 70px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(55% 60% at 20% 15%, rgba(91, 140, 255, .18) 0%, transparent 60%),
    radial-gradient(45% 55% at 80% 20%, rgba(34, 211, 238, .13) 0%, transparent 60%),
    var(--bg);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(65% 65% at 50% 35%, #000 25%, transparent 100%);
  -webkit-mask-image: radial-gradient(65% 65% at 50% 35%, #000 25%, transparent 100%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 {
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 800;
  margin-bottom: 16px;
  animation: fadeUp .8s ease both;
}
.page-hero .lead {
  color: var(--muted);
  max-width: 660px;
  margin: 0 auto;
  font-size: 16.5px;
  animation: fadeUp .8s ease .15s both;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
  font-size: 13.5px;
  color: var(--muted);
  animation: fadeUp .8s ease .25s both;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand-2); }
.breadcrumb .sep { opacity: .5; }
.breadcrumb .current { color: var(--txt); }

/* ---------- 15. 产品与价格 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.product-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(34, 211, 238, .4); }
.product-img { aspect-ratio: 16 / 10; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.product-card:hover .product-img img { transform: scale(1.06); }
.product-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.product-title { font-size: 18.5px; font-weight: 600; margin-bottom: 10px; }
.product-desc { font-size: 14.5px; color: var(--muted); flex: 1; }
.product-foot {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.product-price { font-size: 15px; color: var(--brand-2); font-weight: 600; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-size: 14.5px;
}
.compare-table th, .compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.compare-table thead th {
  background: rgba(91, 140, 255, .1);
  color: var(--txt);
  font-weight: 600;
  white-space: nowrap;
}
.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table tbody tr { transition: background .25s ease; }
.compare-table tbody tr:hover { background: rgba(91, 140, 255, .05); }
.compare-table td .yes { color: var(--ok); font-weight: 600; }
.compare-table td .no { color: #64748b; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}
.price-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.price-card.featured {
  border-color: rgba(91, 140, 255, .55);
  background: linear-gradient(170deg, rgba(91, 140, 255, .12), rgba(14, 22, 40, .9));
  box-shadow: var(--shadow-glow);
}
.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad);
  color: #fff;
  font-size: 12.5px;
  padding: 5px 18px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: var(--shadow-glow);
}
.price-name { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.price-num { font-size: 38px; font-weight: 800; color: var(--txt); line-height: 1.2; }
.price-num small { font-size: 14px; color: var(--muted); font-weight: 400; }
.price-unit { color: var(--muted); font-size: 13.5px; margin: 4px 0 24px; }
.price-list { display: grid; gap: 12px; margin-bottom: 30px; flex: 1; }
.price-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--muted);
}
.price-list svg { width: 18px; height: 18px; color: var(--ok); flex-shrink: 0; margin-top: 3px; }

.code-block {
  background: #0a0f1d;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 24px;
  overflow-x: auto;
  font-family: "JetBrains Mono", Consolas, "Courier New", monospace;
  font-size: 13.5px;
  line-height: 1.8;
  color: #c9d6f2;
}
.code-block .ck { color: #c792ea; }
.code-block .cs { color: #a5e075; }
.code-block .cf { color: #82aaff; }
.code-block .cc { color: #5b6b85; }

/* ---------- 16. 关于我们 ---------- */
.story-split img { border-radius: 20px; }
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  transition: transform .3s ease, border-color .3s ease;
}
.value-card:hover { transform: translateY(-6px); border-color: rgba(34, 211, 238, .4); }
.value-icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--grad-soft);
  border: 1px solid rgba(91, 140, 255, .3);
  display: grid;
  place-items: center;
}
.value-icon svg { width: 26px; height: 26px; color: var(--brand-2); }
.value-title { font-size: 16.5px; font-weight: 600; margin-bottom: 8px; }
.value-desc { font-size: 13.5px; color: var(--muted); }

.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand), var(--brand-2), transparent);
}
.tl-item { position: relative; padding-bottom: 42px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -34px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--brand);
  box-shadow: 0 0 12px rgba(91, 140, 255, .6);
}
.tl-year {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--brand-2);
  background: rgba(34, 211, 238, .1);
  border: 1px solid rgba(34, 211, 238, .3);
  padding: 2px 14px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.tl-title { font-size: 17.5px; font-weight: 600; margin-bottom: 6px; }
.tl-desc { font-size: 14.5px; color: var(--muted); }

.compliance-box {
  max-width: 860px;
  margin: 0 auto;
  background: var(--panel);
  border: 1px solid rgba(251, 191, 36, .3);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  gap: 20px;
}
.compliance-box svg { width: 30px; height: 30px; color: var(--warn); flex-shrink: 0; margin-top: 4px; }
.compliance-box h3 { font-size: 17px; margin-bottom: 10px; }
.compliance-box p { color: var(--muted); font-size: 14.5px; margin-bottom: 8px; }
.compliance-box p:last-child { margin-bottom: 0; }

/* ---------- 17. 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 70px;
}
.contact-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.contact-card:hover { transform: translateY(-6px); border-color: rgba(91, 140, 255, .45); box-shadow: var(--shadow-lg); }
.contact-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 14px;
  background: var(--grad-soft);
  border: 1px solid rgba(91, 140, 255, .3);
  display: grid;
  place-items: center;
}
.contact-icon svg { width: 24px; height: 24px; color: var(--brand-2); }
.contact-title { font-size: 15.5px; font-weight: 600; margin-bottom: 6px; }
.contact-value { font-size: 14px; color: var(--muted); word-break: break-all; }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.form-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 14px; color: var(--txt); font-weight: 500; }
.form-field label .req { color: #f87171; margin-left: 4px; }
.form-field input,
.form-field select,
.form-field textarea {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--txt);
  font-size: 14.5px;
  font-family: inherit;
  outline: none;
  transition: border-color .25s ease, box-shadow .25s ease;
  width: 100%;
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(91, 140, 255, .15);
}
.form-field .err {
  font-size: 12.5px;
  color: #f87171;
  display: none;
}
.form-field.invalid input,
.form-field.invalid textarea,
.form-field.invalid select { border-color: #f87171; }
.form-field.invalid .err { display: block; }
.form-check {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--muted);
}
.form-check input { width: 16px; height: 16px; margin-top: 3px; accent-color: var(--brand); }

.contact-side-title { font-size: 22px; font-weight: 700; margin-bottom: 14px; }
.contact-side-desc { color: var(--muted); font-size: 15px; margin-bottom: 26px; }
.contact-side-list { display: grid; gap: 22px; }
.contact-side-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-side-list svg { width: 22px; height: 22px; color: var(--brand-2); flex-shrink: 0; margin-top: 2px; }
.contact-side-list strong { display: block; font-size: 15px; margin-bottom: 2px; }
.contact-side-list span { font-size: 14px; color: var(--muted); }

/* ---------- 18. 新闻详情 ---------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 46px;
  align-items: start;
}
.article-main {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 44px 46px;
}
.article-head { margin-bottom: 30px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.article-head .news-meta { margin-bottom: 14px; }
.article-title { font-size: clamp(24px, 3.2vw, 34px); font-weight: 700; line-height: 1.4; }
.article-lead {
  margin-top: 16px;
  color: var(--brand-2);
  font-size: 15.5px;
  background: rgba(34, 211, 238, .07);
  border-left: 3px solid var(--brand-2);
  padding: 12px 18px;
  border-radius: 0 8px 8px 0;
}
.prose h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 38px 0 16px;
  padding-left: 14px;
  border-left: 4px solid;
  border-image: linear-gradient(180deg, var(--brand), var(--brand-2)) 1;
}
.prose h3 { font-size: 18px; font-weight: 600; margin: 26px 0 12px; }
.prose p { color: #b8c4da; font-size: 15.5px; margin-bottom: 16px; }
.prose ul { margin: 0 0 18px 4px; display: grid; gap: 10px; }
.prose ul li {
  position: relative;
  padding-left: 22px;
  color: #b8c4da;
  font-size: 15px;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad);
}
.prose blockquote {
  margin: 22px 0;
  padding: 18px 22px;
  background: rgba(91, 140, 255, .07);
  border-left: 4px solid var(--brand);
  border-radius: 0 10px 10px 0;
  color: #c3cfe6;
  font-size: 15px;
}
.prose img {
  border-radius: 12px;
  margin: 22px 0;
  border: 1px solid var(--line);
  width: 100%;
}
.prose figcaption {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: -14px;
  margin-bottom: 20px;
}

.article-aside { display: grid; gap: 24px; position: sticky; top: calc(var(--nav-h) + 24px); }
.aside-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.aside-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.toc-list { display: grid; gap: 10px; }
.toc-list a { color: var(--muted); font-size: 14px; display: flex; gap: 8px; }
.toc-list a:hover { color: var(--brand-2); }
.toc-list .toc-idx {
  color: var(--brand-2);
  font-weight: 600;
  font-size: 12.5px;
  margin-top: 2px;
}
.related-card {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}
.related-card:last-child { border-bottom: 0; padding-bottom: 0; }
.related-card img { width: 74px; height: 54px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.related-card span { font-size: 13.5px; color: var(--txt); line-height: 1.5; }
.related-card:hover span { color: var(--brand-2); }
.aside-tags { display: flex; flex-wrap: wrap; gap: 10px; }

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}
.article-nav a {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  color: var(--muted);
  font-size: 14px;
  transition: border-color .25s ease, transform .25s ease;
}
.article-nav a:hover { border-color: rgba(91, 140, 255, .45); transform: translateY(-3px); color: var(--txt); }
.article-nav .label { display: block; font-size: 12.5px; color: var(--brand-2); margin-bottom: 6px; }
.article-nav .next { text-align: right; }

/* ---------- 19. 悬浮元素 ---------- */
.back-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(91, 140, 255, .4);
  background: rgba(14, 22, 40, .9);
  backdrop-filter: blur(8px);
  color: var(--brand-2);
  font-size: 20px;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all .35s ease;
  z-index: 900;
  box-shadow: var(--shadow-lg);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--grad); color: #fff; border-color: transparent; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translate(-50%, 20px);
  background: rgba(14, 22, 40, .95);
  border: 1px solid rgba(91, 140, 255, .45);
  color: var(--txt);
  font-size: 14.5px;
  padding: 13px 26px;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all .35s ease;
  z-index: 1500;
  max-width: 86vw;
  text-align: center;
}
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* ---------- 20. 动画 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(91, 140, 255, .45); }
  50% { box-shadow: 0 0 0 10px rgba(91, 140, 255, 0); }
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}
@keyframes gradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1024px) {
  .features-grid, .services-grid, .news-grid, .product-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; }
}

@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .hero { padding: 80px 0 70px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-media { order: 0; }
  .contact-layout { grid-template-columns: 1fr; }

  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(7, 11, 20, .98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 18px 24px 26px;
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-link { display: block; padding: 13px 16px; border-radius: 10px; font-size: 16px; }
  .nav-cta-item { margin: 10px 0 0; }
  .nav-cta-item .btn { width: 100%; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .container { padding: 0 18px; }
  .section { padding: 60px 0; }
  .features-grid, .services-grid, .news-grid, .product-grid,
  .pricing-grid, .steps-grid, .stats-grid, .values-grid,
  .contact-grid, .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-title { font-size: 32px; }
  .search-box { flex-wrap: nowrap; padding-left: 16px; }
  .search-btn { padding: 12px 20px; }
  .fc2 { display: none; }
  .float-card { padding: 9px 13px; font-size: 12px; }
  .article-main { padding: 28px 22px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .next { text-align: left; }
  .form-card { padding: 26px 20px; }
  .compliance-box { flex-direction: column; padding: 24px; }
  .cta-actions .btn { width: 100%; }
  .back-top { right: 16px; bottom: 16px; }
}