/* 欲盾电脑管家 · 官方下载站 */
:root {
  --bg: #0a0e13;
  --panel: #121a22;
  --panel-2: #0e141b;
  --line: rgba(255, 255, 255, .07);
  --txt: #e7eef5;
  --muted: #8b98a5;
  --green: #5cb85c;
  --green-2: #449d44;
  --radius: 16px;
}

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

html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(92, 184, 92, .12), transparent 60%),
    radial-gradient(700px 380px at -10% 30%, rgba(68, 157, 68, .07), transparent 60%),
    var(--bg);
  color: var(--txt);
  font-family: Manrope, "Microsoft YaHei", "PingFang SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 14, 19, .78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 980px; margin: 0 auto; padding: 11px 22px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--txt); }
.brand-logo {
  width: 33px; height: 33px; border-radius: 9px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #06130a;
  box-shadow: 0 6px 18px rgba(92, 184, 92, .35);
}
.brand-logo svg { width: 19px; height: 19px; }
.brand-text { line-height: 1.15; }
.brand-text b { display: block; font-size: 15px; font-weight: 700; }
.brand-text i { display: block; font-style: normal; font-size: 11px; color: var(--muted); letter-spacing: .08em; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links > a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; transition: color .2s; }
.nav-links > a:not(.btn):hover { color: var(--txt); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #06130a; text-decoration: none; font-weight: 700;
  border-radius: 12px; transition: transform .15s, box-shadow .2s;
  box-shadow: 0 8px 24px rgba(92, 184, 92, .30);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(92, 184, 92, .42); }
.btn svg { width: 17px; height: 17px; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 10px; }
.btn-lg { padding: 12px 26px; font-size: 15.5px; border-radius: 13px; }
.btn-ghost {
  background: transparent; color: var(--txt);
  border: 1px solid rgba(255, 255, 255, .16);
  box-shadow: none;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .05); box-shadow: none; }

/* ---------- Hero ---------- */
.hero {
  max-width: 980px; margin: 0 auto; padding: 60px 22px 50px;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 38px; align-items: center;
}
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; color: var(--green);
  border: 1px solid rgba(92, 184, 92, .35); border-radius: 999px;
  padding: 5px 12px; background: rgba(92, 184, 92, .08);
}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(92, 184, 92, .15); }
.hero h1 {
  font-family: Sora, "Microsoft YaHei", sans-serif;
  font-size: 38px; line-height: 1.18; margin: 18px 0 14px; letter-spacing: -.01em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--green), #9ed89e);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { color: var(--muted); font-size: 15px; line-height: 1.75; max-width: 430px; }
.hero-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 20px; margin-top: 22px; list-style: none; flex-wrap: wrap; }
.hero-meta li { color: var(--muted); font-size: 12.5px; position: relative; padding-left: 16px; }
.hero-meta li::before { content: ""; position: absolute; left: 0; top: 6px; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }

/* ---------- 产品预览 ---------- */
.hero-visual { position: relative; }
.glow {
  position: absolute; inset: 8% 4%;
  background: radial-gradient(closest-side, rgba(92, 184, 92, .22), transparent);
  filter: blur(30px); z-index: 0;
}
.mock {
  position: relative; z-index: 1;
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: linear-gradient(180deg, #0e141b, #0a0f15);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .55), 0 0 0 1px rgba(92, 184, 92, .06);
}
.mock-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 14px; border-bottom: 1px solid var(--line); background: #0c1117;
}
.mock-bar span { width: 10px; height: 10px; border-radius: 50%; background: #2a3540; }
.mock-bar span:first-child { background: rgba(92, 184, 92, .7); }
.mock-bar i { font-style: normal; margin-left: 10px; font-size: 12px; color: var(--muted); }
.mock-body { display: grid; grid-template-columns: 112px 1fr; min-height: 252px; }
.mock-side { border-right: 1px solid var(--line); padding: 15px 12px; display: flex; flex-direction: column; gap: 10px; }
.mock-brand { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, var(--green), var(--green-2)); margin-bottom: 8px; }
.mock-nav { height: 12px; border-radius: 6px; background: #17202a; }
.mock-nav.active { background: rgba(92, 184, 92, .28); border: 1px solid rgba(92, 184, 92, .35); }
.mock-main { padding: 18px; }
.mock-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mock-card { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 12px; }
.mock-card b { display: block; font-size: 17px; color: var(--green); font-family: Sora, sans-serif; }
.mock-card span { font-size: 10.5px; color: var(--muted); }
.mock-scan { margin: 20px auto 8px; width: 108px; height: 108px; border-radius: 50%; position: relative; display: grid; place-items: center;
  background: conic-gradient(var(--green) 0 70%, #18232d 70% 100%);
  box-shadow: 0 0 40px rgba(92, 184, 92, .25);
}
.mock-scan::before { content: ""; position: absolute; inset: 10px; border-radius: 50%; background: #0d1319; }
.mock-scan i { font-style: normal; font-size: 13px; font-weight: 700; color: var(--txt); position: relative; }

/* ---------- 通用区块 ---------- */
.section { max-width: 980px; margin: 0 auto; padding: 48px 22px; }
.section-title { font-family: Sora, "Microsoft YaHei", sans-serif; font-size: 27px; text-align: center; }
.section-title span { background: linear-gradient(90deg, var(--green), #9ed89e); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-sub { text-align: center; color: var(--muted); margin-top: 8px; font-size: 14px; }

/* ---------- 特性 ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 34px; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  padding: 22px 20px; transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(92, 184, 92, .35); }
.icon {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(92, 184, 92, .12); color: var(--green); margin-bottom: 14px;
}
.icon svg { width: 20px; height: 20px; }
.card h3 { font-size: 15.5px; margin-bottom: 7px; }
.card p { color: var(--muted); font-size: 13px; line-height: 1.7; }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 34px; }
.step { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 22px 20px; position: relative; overflow: hidden; }
.step b {
  font-family: Sora, sans-serif; font-size: 14px; color: var(--green);
  display: inline-grid; place-items: center; width: 36px; height: 36px;
  border-radius: 11px; background: rgba(92, 184, 92, .12); margin-bottom: 12px;
}
.step h3 { font-size: 15.5px; margin-bottom: 7px; }
.step p { color: var(--muted); font-size: 13px; line-height: 1.7; }
.notice {
  margin-top: 18px; display: flex; gap: 11px; align-items: flex-start;
  border: 1px solid rgba(92, 184, 92, .3); background: rgba(92, 184, 92, .07);
  border-radius: 13px; padding: 14px 18px;
}
.notice svg { width: 18px; height: 18px; color: var(--green); flex-shrink: 0; margin-top: 2px; }
.notice p { color: #c9d6d0; font-size: 13px; line-height: 1.7; }

/* ---------- 下载面板 ---------- */
.dl-panel {
  border: 1px solid rgba(92, 184, 92, .3);
  background:
    radial-gradient(600px 220px at 90% 0%, rgba(92, 184, 92, .16), transparent 65%),
    var(--panel);
  border-radius: 20px; padding: 34px 36px;
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
}
.dl-info h2 { font-family: Sora, sans-serif; font-size: 24px; }
.dl-info h2 span { color: var(--green); font-size: 16px; margin-left: 6px; }
.dl-info p { color: var(--muted); margin-top: 10px; font-size: 14px; }
.dl-info code {
  display: block; margin-top: 14px; font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 11.5px; color: #7fae93; word-break: break-all;
  background: rgba(0, 0, 0, .3); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px;
}

/* ---------- 页脚 ---------- */
.footer {
  max-width: 980px; margin: 0 auto; padding: 24px 22px 34px;
  border-top: 1px solid var(--line); margin-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  color: var(--muted); font-size: 12.5px;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 44px; }
  .grid, .steps { grid-template-columns: 1fr; }
  .nav-links > a:not(.btn) { display: none; }
  .hero h1 { font-size: 31px; }
}