:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --ink: #102033;
  --muted: #5d6d80;
  --line: #e4ebf3;
  --blue: #1677d6;
  --blue-dark: #0d5fb0;
  --green: #6faf2f;
  --green-dark: #56891f;
  --shadow: 0 10px 30px rgba(16,32,51,.08);
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.55 "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--blue); }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  min-height: 84px;
}
.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
}
.brand img {
  height: 68px;
  width: auto;
  max-width: min(420px, 48vw);
  background: none;
  border-radius: 0;
}
nav { display: flex; flex-wrap: wrap; gap: 16px; }
nav a { text-decoration: none; color: var(--muted); font-size: 14px; font-weight: 600; }
nav a:hover { color: var(--ink); }
.hero { padding: 48px 0 18px; text-align: center; }
.kicker { color: var(--blue); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; }
h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.12; margin: 10px 0 12px; }
.lead { color: var(--muted); max-width: 720px; margin: 0 auto; font-size: 18px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; padding: 22px 0 48px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; }
.logo-bar { background: #000; }
.logo-bar img { width: 100%; height: 86px; object-fit: contain; }
.photo,
.shot {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  min-height: 320px;
  object-fit: contain;
  object-position: center;
  background: #111;
}
.body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.avail { color: var(--green-dark); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; }
h2 { margin: 0; font-size: 28px; }
.price { font-size: 22px; margin: 0; }
.price small { color: var(--muted); font-size: 14px; font-weight: 500; }
.btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.btn { display: inline-block; text-decoration: none; border-radius: 10px; padding: 11px 15px; font-weight: 700; border: 1px solid transparent; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-green { background: var(--green); color: #fff; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: start; padding: 10px 0 36px; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
ul.feat { margin: 0; padding-left: 18px; color: var(--muted); }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin: 10px 0; }
.faq summary { cursor: pointer; font-weight: 700; }
footer { border-top: 1px solid var(--line); margin-top: 20px; padding: 28px 0 48px; color: var(--muted); font-size: 14px; background: #fff; }
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.crumbs { color: var(--muted); font-size: 14px; padding-top: 22px; }
.gallery { display: grid; gap: 12px; }
.gallery img { width: 100%; border-radius: 12px; border: 1px solid var(--line); }
.jump {
  position: sticky;
  top: 84px;
  z-index: 15;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 8px;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.jump a {
  text-decoration: none;
  color: var(--ink);
  background: #f5f7fb;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 650;
}
.jump a:hover { border-color: var(--blue); color: var(--blue); }
.chapter { scroll-margin-top: 170px; padding: 22px 0 8px; }
.chapter h2 { margin-bottom: 10px; }
@media (max-width: 860px) {
  .grid2, .split { grid-template-columns: 1fr; }
}