/* 第5套 web · 深色工具站 · 顶栏固定下载条 */
:root {
  --bg: #12151c;
  --panel: #1b202a;
  --line: #2c3340;
  --text: #e7eaf0;
  --muted: #9aa3b2;
  --acc: #3d8bfd;
  --acc-2: #62d4a3;
  --sans: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --mono: Consolas, "Courier New", monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.76;
}
a { color: #8cb6ff; }
.toolbar {
  position: sticky; top: 0; z-index: 30;
  background: #0d1016;
  border-bottom: 1px solid var(--line);
}
.toolbar__in {
  width: min(1120px, calc(100% - 24px));
  margin: 0 auto;
  min-height: 60px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  color: #fff; text-decoration: none; font-weight: 800;
}
.brand svg { width: 26px; height: 26px; color: var(--acc); }
.nav { display: flex; gap: 4px; align-items: center; }
.nav a {
  color: var(--muted); text-decoration: none;
  padding: 6px 10px; border-radius: 4px;
  display: inline-flex; align-items: center; gap: 6px;
}
.nav a svg { width: 14px; height: 14px; }
.nav a:hover { color: #fff; background: #232a36; }
.nav a[aria-current="page"] { color: #fff; background: #232a36; }
.fix-dl {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--acc); color: #061018 !important;
  padding: 8px 12px; border-radius: 4px; font-weight: 800; text-decoration: none;
}
.fix-dl:hover { background: #5aa3ff; }
.shell { width: min(1120px, calc(100% - 24px)); margin: 22px auto 36px; }
.kicker { color: var(--acc-2); font-family: var(--mono); font-size: 12px; margin: 0 0 8px; }
h1 { font-size: 30px; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 0 0 10px; color: #d5e4ff; }
h3 { font-size: 17px; margin: 14px 0 6px; }
p { margin: 0 0 12px; color: #d5dae3; }
.pane {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 18px 8px;
  margin: 0 0 14px;
}
.meta {
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 10px;
}
.plat {
  display: grid; grid-template-columns: 40px 1fr auto;
  gap: 10px; align-items: center;
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.plat svg { width: 24px; height: 24px; color: var(--acc); }
.strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.strip div { background: #141821; border: 1px solid var(--line); padding: 12px; text-align: center; }
.strip b { display: block; color: var(--acc-2); font-size: 20px; }
.faq details { border: 1px solid var(--line); margin-bottom: 8px; padding: 4px 12px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 8px 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.btn, .btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 40px; padding: 0 14px; border-radius: 4px;
  text-decoration: none; font-weight: 700;
  transition: background 0.15s ease;
}
.btn { background: var(--acc); color: #061018; }
.btn:hover { background: #5aa3ff; }
.btn-ghost { background: transparent; color: #d5e4ff; border: 1px solid #4a5770; }
.btn-ghost:hover { background: #232a36; }
.btn svg, .btn-ghost svg { width: 16px; height: 16px; }
.foot { border-top: 1px solid var(--line); padding: 20px 0 32px; color: var(--muted); }
.foot__in { width: min(1120px, calc(100% - 24px)); margin: 0 auto; font-size: 13px; }
.foot p { color: var(--muted); }
@media (max-width: 800px) {
  .strip, .plat { grid-template-columns: 1fr; }
  h1 { font-size: 24px; }
  .nav a span { display: none; }
}