/* ============================================================
   anzi.cc · 设计升级层 (theme.css)
   在 kuai.cx 既有深蓝科技风基础上「升级统一」：
   - 新增签名渐变 / 玻璃拟态 / 光泽投影 token
   - 重做可见深色组件：导航、Hero 极光、按钮、强调、卡片、页脚、控制台
   - 加载于 style.css 之后，等权覆盖，保证全站零破版
   ============================================================ */

:root {
  /* 签名渐变 */
  --brand:        linear-gradient(135deg, #1E9BFF 0%, #2DD4BF 52%, #7C84F2 100%);
  --brand-soft:   linear-gradient(135deg, #1E9BFF, #7C84F2);
  --brand-2:      linear-gradient(120deg, #2DD4BF, #1E9BFF);
  --brand-line:   linear-gradient(90deg, #1E9BFF, #2DD4BF, #7C84F2);

  /* 玻璃拟态 */
  --glass:        rgba(255, 255, 255, .07);
  --glass-2:      rgba(255, 255, 255, .04);
  --glass-brd:    rgba(255, 255, 255, .14);
  --glass-blur:   14px;

  /* 光泽与极光 */
  --glow-blue:    0 10px 34px rgba(30, 155, 255, .38);
  --glow-teal:    0 10px 34px rgba(45, 212, 191, .30);
  --aurora-1:     radial-gradient(60% 60% at 18% 12%, rgba(30,155,255,.40), transparent 60%);
  --aurora-2:     radial-gradient(55% 55% at 86% 18%, rgba(124,132,242,.34), transparent 60%);
  --aurora-3:     radial-gradient(60% 60% at 60% 92%, rgba(45,212,191,.28), transparent 62%);
  --radius-xl:    22px;

  /* 升级后的主色（更通透） */
  --blue:         #1E9BFF;
  --blue-dark:    #0B7FE0;
  --teal:         #2DD4BF;
  --indigo:       #7C84F2;
  --purple:       #A78BFA;
  --green:        #34D399;
}

/* ---------- 工具类 ---------- */
.grad-text {
  background: var(--brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.eyebrow {
  background: var(--brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
  letter-spacing: .14em;
}
.c-blue, .c-blue * { color: var(--blue) !important; }

/* ---------- 导航：玻璃拟态 + 渐变下划线 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 16, 48, .72);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.nav-inner { max-width: var(--wrap); margin: 0 auto; padding: 14px 20px; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--brand);
  display: grid; place-items: center;
  box-shadow: var(--glow-blue);
}
.logo span:not(.logo-mark) { font-weight: 800; letter-spacing: .02em; }
.logo small {
  display: block; font-size: 10px; letter-spacing: .22em;
  background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-weight: 700;
}
.nav-links > a, .nav-links li > a {
  position: relative; padding: 8px 2px;
}
.nav-links > a::after, .nav-links li > a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--brand-line); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.nav-links > a:hover::after, .nav-links li > a:hover::after,
.nav-links > a.active::after, .nav-links li > a.active::after { transform: scaleX(1); }
.nav-tel {
  border: 1px solid var(--glass-brd); padding: 7px 14px; border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(8px);
}
.btn-primary {
  background: var(--brand) !important;
  background-image: var(--brand) !important;
  border: none !important; color: #fff !important;
  box-shadow: var(--glow-blue);
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.35), transparent 70%);
  transform: translateX(-120%); transition: transform .6s var(--ease);
}
.btn-primary:hover::before { transform: translateX(120%); }
.btn-primary:hover { box-shadow: 0 14px 40px rgba(30,155,255,.5); transform: translateY(-1px); }
.btn-ghost-light { border: 1px solid rgba(255,255,255,.22); color: #fff; }

/* ---------- Hero：极光背景 ---------- */
.hero {
  position: relative;
  background:
    var(--aurora-1),
    var(--aurora-2),
    var(--aurora-3),
    linear-gradient(180deg, #0B1030 0%, #0E163F 55%, #0B1030 100%);
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(70% 70% at 50% 30%, #000, transparent);
}
.hero-blob { filter: drop-shadow(0 20px 40px rgba(30,155,255,.4)); animation: blobFloat 9s ease-in-out infinite; }
@keyframes blobFloat { 0%,100% { transform: translateY(0) rotate(0) } 50% { transform: translateY(-18px) rotate(6deg) } }
.hero .h1 { font-size: clamp(34px, 5vw, 60px); line-height: 1.08; letter-spacing: -.01em; }
.hero .lead { color: var(--navy-body, #A8A5C8); font-size: 18px; }
.hero-pill {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 16px 7px 12px; margin-bottom: 18px;
  border-radius: 999px; font-size: 13px; font-weight: 600; color: #dfe7fb;
  background: var(--glass); border: 1px solid var(--glass-brd);
  backdrop-filter: blur(8px); box-shadow: var(--glow-blue);
}
.hero-pill i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--brand);
  box-shadow: 0 0 0 4px rgba(30,155,255,.2); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .4 } }
.hero-cta .btn { padding: 14px 26px; font-weight: 700; }
.hero-note span {
  background: var(--glass); border: 1px solid var(--glass-brd);
  padding: 8px 14px; border-radius: 999px; backdrop-filter: blur(8px);
}

/* ---------- 控制台 mock：玻璃质感 ---------- */
.console {
  background: rgba(20, 28, 82, .55) !important;
  border: 1px solid var(--glass-brd) !important;
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl) !important;
  box-shadow: 0 30px 80px rgba(0,0,0,.45) !important;
  overflow: hidden;
}
.console-bar {
  background: rgba(255,255,255,.05); border-bottom: 1px solid var(--glass-brd);
}
.console-bar i { background: #ff5f57; }
.console-bar i:nth-child(2) { background: #febc2e; }
.console-bar i:nth-child(3) { background: #28c840; }
.console-tabs span.on {
  background: var(--brand); color: #fff; border-radius: 999px;
}
.inst { background: var(--glass-2); border: 1px solid rgba(255,255,255,.06); border-radius: 12px; }
.inst .dot { background: var(--green); box-shadow: 0 0 0 4px rgba(52,211,153,.18); }
.inst .dot.blue { background: var(--blue); box-shadow: 0 0 0 4px rgba(30,155,255,.18); }
.inst .dot.orange { background: var(--orange); box-shadow: 0 0 0 4px rgba(251,191,36,.18); }
.inst .tag { background: rgba(30,155,255,.14); color: #bfe0ff; border: 1px solid rgba(30,155,255,.3); }
.console-metrics { border-top: 1px solid var(--glass-brd); }
.metric b { background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.float-badge {
  background: rgba(20,28,82,.7) !important; border: 1px solid var(--glass-brd) !important;
  backdrop-filter: blur(var(--glass-blur)); border-radius: 16px !important;
  box-shadow: var(--glow-blue) !important;
}

/* ---------- 数据墙 / 统计 ---------- */
.stats { background: linear-gradient(180deg, #0B1030, #0E163F); }
.stat b {
  background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-size: clamp(30px, 4vw, 46px);
}
.stat b i { -webkit-text-fill-color: var(--blue); }
.logo-wall span {
  background: var(--glass); border: 1px solid var(--glass-brd);
  color: #cdd7f0; border-radius: 999px; padding: 8px 16px; backdrop-filter: blur(8px);
}

/* ---------- 区块标题 ---------- */
.section-head h2 { font-size: clamp(26px, 3.4vw, 40px); letter-spacing: -.01em; }
.section-head h2 .grad-text { font-weight: 900; }

/* ---------- 卡片：玻璃悬浮 ---------- */
.card, .plan-card, .prod-card, .sol-card, .tier-card, .news-card, .faq-item, .activity-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover, .plan-card:hover, .prod-card:hover, .sol-card:hover, .tier-card:hover, .news-card:hover, .activity-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(14, 22, 63, .12);
  border-color: rgba(30,155,255,.4);
}

/* ---------- 页脚：渐变顶边 ---------- */
.footer { position: relative; border-top: none; }
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--brand-line);
}
.footer .btn-primary { box-shadow: var(--glow-blue); }

/* ---------- 滚动入场：沿用 style.css 既有 .reveal/.vis 机制（JS 加 .vis） ---------- */

/* ---------- 响应式微调 ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .nav-links { background: rgba(11,16,48,.96); backdrop-filter: blur(14px); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-blob { animation: none !important; transition: none !important; }
}