:root {
  --ink: #16181d;
  --muted: #5b6270;
  --line: #e3e6ec;
  --bg: #fafbfc;
  --card: #ffffff;
  --accent: #2f6bff;
  --accent-ink: #ffffff;
  --error: #b42318;
  color-scheme: light;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.wrap { max-width: 920px; margin: 0 auto; padding-inline: 20px; }
a { color: var(--accent); }
.top { border-bottom: 1px solid var(--line); background: var(--card); }
.top .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); text-decoration: none; }
.logo { width: 22px; height: 22px; border-radius: 6px; background: conic-gradient(#2f6bff 0 25%, #fff 0 50%, #2f6bff 0 75%, #fff 0); border: 1px solid #2f6bff; }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--ink); }
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; margin: 36px 0 12px; }
h2 { font-size: 22px; margin: 40px 0 12px; }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 24px; }
.tool { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin: 8px 0 32px; }
.drop { border: 2px dashed #c5ccd8; border-radius: 12px; padding: 40px 16px; text-align: center; transition: background .15s; }
.drop.over { background: #eef3ff; border-color: var(--accent); }
.drop-title { font-size: 20px; font-weight: 600; margin: 0 0 4px; }
.drop-sub { color: var(--muted); margin: 0 0 18px; }
.btn { display: inline-block; border: 0; border-radius: 10px; padding: 11px 18px; font: inherit; font-weight: 600; background: var(--accent); color: var(--accent-ink); cursor: pointer; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.status { padding: 24px 8px; text-align: center; }
.status.error p { color: var(--error); }
.bar { height: 8px; background: #edf0f5; border-radius: 99px; overflow: hidden; max-width: 420px; margin: 12px auto 0; }
.bar span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .4s; }
.checker { border-radius: 10px; overflow: hidden; background-color: #fff; background-image: linear-gradient(45deg, #d9dde4 25%, transparent 25%), linear-gradient(-45deg, #d9dde4 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #d9dde4 75%), linear-gradient(-45deg, transparent 75%, #d9dde4 75%); background-size: 24px 24px; background-position: 0 0, 0 12px, 12px -12px, -12px 0; display: flex; justify-content: center; }
.checker video { max-width: 100%; max-height: 520px; display: block; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 4px; }
.note { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--card); font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f3f5f8; font-weight: 600; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.price { font-size: 28px; font-weight: 700; margin: 4px 0; }
.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: #fff4e5; color: #8a4b00; }
figure { margin: 20px 0; }
figure img { max-width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); display: block; }
figcaption { color: var(--muted); font-size: 14px; margin-top: 6px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin: 8px 0; }
.faq summary { font-weight: 600; cursor: pointer; }
footer { margin-top: 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding-block: 20px; }
[hidden] { display: none !important; }