:root{
  --bg:#0b1020;
  --card: rgba(255,255,255,.08);
  --card2: rgba(255,255,255,.10);
  --stroke: rgba(255,255,255,.14);
  --text:#eaf0ff;
  --muted: rgba(234,240,255,.72);
  --muted2: rgba(234,240,255,.55);
  --accent1:#4aa3ff;
  --accent2:#7c5cff;
  --accent3:#1ee3cf;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --r20: 20px;
  --r28: 28px;
  --r999: 999px;
  --font: Inter, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC","Microsoft Yahei", sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(124,92,255,.45), transparent 60%),
    radial-gradient(900px 500px at 85% 10%, rgba(74,163,255,.45), transparent 55%),
    radial-gradient(700px 500px at 50% 100%, rgba(30,227,207,.25), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height: 1.45;
}

a{color:inherit;text-decoration:none}
.app{
  max-width: 520px;
  margin: 0 auto;
  padding: 14px 14px 0;
}

/* 顶部栏 */
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 6px 2px 10px;
}
.brand{display:flex;align-items:center;gap:10px}
.logo{
  width:40px;height:40px;border-radius:14px;
  background: linear-gradient(135deg, rgba(74,163,255,.9), rgba(124,92,255,.9));
  position:relative;
  box-shadow: 0 12px 28px rgba(74,163,255,.18);
  overflow:hidden;
}
.logo::after{
  content:"";
  position:absolute;inset:-30%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.65), transparent 55%);
  transform: rotate(18deg);
}
.logo-dot{
  position:absolute;width:10px;height:10px;border-radius:999px;
  background: rgba(255,255,255,.9);
  left:10px;top:12px;
}
.logo-dot.d2{left:20px;top:20px;opacity:.65}
.brand-text .brand-name{font-weight:900;letter-spacing:.4px;font-size:16px;line-height:1}
.brand-text .brand-sub{
  margin-top:4px;
  font-size:12px;
  color:var(--muted2);
  letter-spacing:.2px;
  line-height:1.55;
}

.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 12px;border-radius:999px;
  background: rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 22px rgba(0,0,0,.18);
  font-weight:700;
}
.chip-icon{filter: saturate(1.2);}

/* Hero */
.hero{position:relative}
.hero-bg{
  position:absolute;inset: 6px 0 auto;
  height: 320px;
  background: linear-gradient(180deg, rgba(74,163,255,.40), rgba(124,92,255,.28) 55%, rgba(11,16,32,0));
  border-radius: 28px;
  filter: blur(.2px);
  z-index:0;
}
.hero-card{
  position:relative;
  z-index:1;
  margin-top: 8px;
  border-radius: var(--r28);
  padding: 18px;
  display:flex;
  gap:14px;
  box-shadow: var(--shadow);
}
.glass{
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(14px);
}
.hero-left{flex:1;min-width: 0}
.hello{font-weight:800;color:rgba(255,255,255,.85);font-size:14px}

.hero-title{
  margin-top:8px;
  font-size:28px;
  font-weight:950;
  line-height:1.12;
  letter-spacing:.3px;
}

.hero-metric{margin-top:14px}
.metric-label{
  font-size:12px;
  color:var(--muted2);
  letter-spacing:.2px;
  line-height:1.55;
}
.metric-value{
  font-size:40px;
  font-weight:950;
  letter-spacing: .6px;
  margin-top:2px;
  line-height: 1.08;
}
.metric-note{
  margin-top:6px;
  font-size:12px;
  color:rgba(234,240,255,.72);
  letter-spacing:.2px;
  line-height:1.5;
}

.cta-row{
  margin-top:16px;
  display:flex;gap:12px;flex-wrap:wrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 14px;border-radius: 14px;
  font-weight:900;
  border:1px solid transparent;
  gap:10px;
}
.btn-primary{
  background: linear-gradient(135deg, rgba(74,163,255,.95), rgba(124,92,255,.95));
  box-shadow: 0 16px 32px rgba(74,163,255,.20);
}
.btn-ghost{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
}
.btn.sm{padding:10px 12px;border-radius: 14px}
.btn-arrow{opacity:.95}

.trust-row{
  margin-top:14px;
  display:flex;gap:14px;flex-wrap:wrap;
  color:rgba(234,240,255,.78);
  font-size:12px;
  letter-spacing:.2px;
  line-height:1.55;
}
.trust-item{display:flex;align-items:center;gap:8px}
.t-dot{
  width:8px;height:8px;border-radius:999px;
  background: linear-gradient(135deg, rgba(30,227,207,.95), rgba(74,163,255,.95));
  box-shadow: 0 8px 16px rgba(30,227,207,.18);
}

/* 右侧视觉 */
.hero-right{width: 40%; min-width: 150px; display:flex; align-items:flex-end; justify-content:flex-end}
.mascot{position:relative; width:100%; height: 220px}
.mascot-orb{
  position:absolute; right: -6px; top: 6px;
  width: 160px; height: 160px; border-radius: 999px;
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,.70), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(30,227,207,.28), transparent 55%),
    linear-gradient(135deg, rgba(74,163,255,.75), rgba(124,92,255,.75));
  filter: blur(.2px);
  box-shadow: 0 30px 70px rgba(124,92,255,.22);
  opacity:.95;
}
.mascot-card{
  position:absolute;
  left: 0; right: 0;
  bottom: 10px;
  padding: 12px 12px;
  border-radius: 18px;
  background: rgba(11,16,32,.55);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.mascot-card.small{
  width: 78%;
  right:auto;
  bottom: 120px;
  opacity:.95;
}
.mascot-card.small.s2{bottom: 160px; width: 66%; opacity:.9}
.mc-title{font-weight:950;letter-spacing:.2px; line-height:1.25}
.mc-sub{margin-top:6px;font-size:12px;color:rgba(234,240,255,.70); letter-spacing:.2px; line-height:1.55}
.mc-badges{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.badge{
  font-size:11px;
  padding:6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(234,240,255,.82);
  letter-spacing:.2px;
}

/* 大胶囊按钮 */
.hero-cta-wrap{
  margin-top: 14px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 10px;
}
.big-pill{
  width: 100%;
  border-radius: 999px;
  padding: 16px 16px;
  display:flex; align-items:center; justify-content:center;
  gap: 10px;
  font-weight: 950;
  background:
    radial-gradient(900px 240px at 50% -40%, rgba(255,255,255,.50), transparent 60%),
    linear-gradient(135deg, rgba(74,163,255,.95), rgba(124,92,255,.95));
  box-shadow: 0 22px 50px rgba(74,163,255,.22);
  border: 1px solid rgba(255,255,255,.14);
}
.pill-icon{filter:saturate(1.1)}
.hero-links{
  font-size:12px;
  color:rgba(234,240,255,.70);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;
  letter-spacing:.2px;
  line-height:1.55;
}
.hero-links .dot{opacity:.5}

/* 通知栏 */
.ticker{
  margin-top: 14px;
  margin-bottom: 18px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 12px 12px;
  display:flex;
  align-items:center;
  gap: 10px;
  position:relative;
  overflow:hidden;
  box-shadow: 0 18px 46px rgba(0,0,0,.18);
}
.ticker-icon{
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:.95;
  border-radius: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
  font-size: 15px;
}
.ticker-viewport{
  flex: 1 1 auto;
  overflow:hidden;
  display:flex;
  align-items:center;
  min-height: 28px;
}
.ticker-inner{
  display:flex;
  align-items:center;
  gap: 32px;
  white-space: nowrap;
  will-change: transform;
}
.ticker-item{
  font-size: 14px;
  color: rgba(234,240,255,.86);
  letter-spacing:.2px;
  line-height: 1.6;
}

/* ===========================
   ✅ 终极修复：steps 与 产品详情 绝不重叠
=========================== */
.steps-card{
  padding: 7px 12px !important;     /* 原来 14px -> 更紧凑 */
  border-radius: 18px !important;     /* 视觉更收敛 */
}
.steps-card{
  border-radius: var(--r20);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  padding: 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  box-shadow: 0 14px 34px rgba(0,0,0,.18); /* ✅ 减弱向下压迫感 */
  overflow:hidden;
}
.step{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  min-width: 0;
  text-align:center;
}
.icon{
  width:42px;height:42px;border-radius: 16px;
  display:grid;place-items:center;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 16px 30px rgba(0,0,0,.18);
  flex: 0 0 auto;
}
.s-title{font-weight:950; line-height:1.2}
.s-sub{
  font-size:12px;
  color:rgba(234,240,255,.70);
  letter-spacing:.2px;
  line-height:1.55;
  white-space: nowrap;
}
.divider{
  width:1px;height:56px;
  background: rgba(255,255,255,.10);
  flex: 0 0 auto;
}
/* 产品详情：自成层叠上下文 + 顶部更大间距 */
.details{
  margin-top: 0;
  padding-top: 15px;         /* ✅ 标题整体下移 */
  position: relative;
  z-index: 0;
  isolation: isolate;        /* ✅ 防止上层阴影造成“覆盖感” */
}
/* ✅ 柔和分隔带，视觉不再像被压住 */
.details::before{
  content:"";
  position:absolute;
  left:0; right:0;
  top:0;
  height: 22px;
  background: linear-gradient(180deg, rgba(11,16,32,0), rgba(11,16,32,.45));
  pointer-events:none;
  z-index: 0;
}
.details > *{
  position: relative;
  z-index: 1;
}

.section-title h2{
  margin:0;
  font-size:20px;
  font-weight:950;
  line-height:1.25;
}
.section-title p{
  margin:10px 0 0;
  font-size:12px;
  color: rgba(234,240,255,.70);
  letter-spacing:.2px;
  line-height:1.6;
}

.detail-grid{
  margin-top: 12px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.detail-item{
  padding: 12px;
  border-radius: 18px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 18px 44px rgba(0,0,0,.18);
}
.di-k{
  font-size:12px;
  color:rgba(234,240,255,.65);
  letter-spacing:.2px;
  line-height:1.55;
}
.di-v{
  margin-top:6px;
  font-weight:950;
  line-height:1.28;
}
.di-tip{
  margin-top:9px;
  font-size:11px;
  color:rgba(234,240,255,.62);
  letter-spacing:.2px;
  line-height:1.6;
}

.highlight{
  margin-top: 12px;
  border-radius: 22px;
  padding: 14px;
  background:
    radial-gradient(700px 220px at 20% 0%, rgba(30,227,207,.25), transparent 55%),
    linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
  border: 1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hl-title{font-weight:950; line-height:1.25}
.hl-sub{margin-top:6px;font-size:12px;color:rgba(234,240,255,.70); letter-spacing:.2px; line-height:1.6}

/* 底部导航 */
.safe-bottom{height: 86px;}
.bottom-nav{
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 10px;
  width: min(520px, calc(100% - 20px));
  border-radius: 22px;
  padding: 10px 10px;
  background: rgba(11,16,32,.62);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(16px);
  box-shadow: 0 30px 70px rgba(0,0,0,.42);
  display:flex;
  justify-content:space-around;
  gap: 6px;
  z-index: 50;
}
.nav-item{
  width: 24%;
  padding: 10px 8px;
  border-radius: 16px;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  color: rgba(234,240,255,.70);
}
.nav-item.active{
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(234,240,255,.92);
}
.n-ico{font-size:18px}
.n-txt{font-size:11px;font-weight:800; letter-spacing:.2px}

/* 小屏优化 */
@media (max-width: 390px){
  .hero-title{font-size:26px}
  .metric-value{font-size:38px}
  .hero-right{display:none}
  .detail-grid{grid-template-columns: 1fr}

  .ticker-item{font-size:13px}
  .steps-card{ padding: 12px; }
  .s-sub{ font-size: 11px; }
  .divider{ height: 50px; }

  /* 小屏再加一点下边距，保证不挤 */
  .steps{ margin-bottom: 44px; }
  .details{ padding-top: 30px; }
}
