/* ============ SC 参照管家 · 全站共享（与汉化助手官网同一设计语言） ============ */
@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('./_fonts/BricolageGrotesque-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('./_fonts/BricolageGrotesque-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #f7f8fa;
  --bg2: #ffffff;
  --ink: #1d2433;
  --muted: #5f6b7d;
  --rule: #e3e7ee;
  --accent: #4f46e5;
  --accent2: #8b5cf6;
  --accent-soft: rgba(79, 70, 229, 0.06);
  --grad: linear-gradient(135deg, var(--accent), var(--accent2));
  --radius: 14px;
  --shadow: 0 1px 2px rgba(29, 36, 51, 0.05), 0 8px 28px rgba(79, 70, 229, 0.08);
  --font-body: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-display: "Bricolage Grotesque", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  background-image:
    radial-gradient(ellipse 900px 500px at 85% -5%, rgba(79,70,229,0.07), transparent 60%),
    radial-gradient(ellipse 800px 500px at 5% 30%, rgba(139,92,246,0.06), transparent 60%),
    radial-gradient(ellipse 700px 400px at 90% 75%, rgba(79,70,229,0.05), transparent 60%);
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ============ 导航 ============ */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 62px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.brand-name { font-weight: 700; font-size: 1.05rem; }
.brand-en { font-family: var(--font-display); font-size: 0.78rem; color: var(--muted); letter-spacing: 0.04em; }
.nav-links { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  background: var(--grad);
  color: #fff !important;
  padding: 7px 18px;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
}

/* ============ 区块通用 ============ */
section { padding: 64px 0 0; }
.sec-head { text-align: center; margin-bottom: 40px; }
.sec-eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); font-weight: 700; margin-top: 8px; }
.sec-desc { color: var(--muted); max-width: 560px; margin: 10px auto 0; }

/* ============ 玻璃卡 ============ */
.glass {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ============ FAQ ============ */
.faq { max-width: 720px; margin: 0 auto; }
details {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; align-items: center; gap: 10px; }
summary::before {
  content: '+';
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  font-size: 1.15rem;
  width: 20px;
  flex: none;
}
details[open] summary::before { content: '−'; }
details p { margin-top: 10px; font-size: 0.93rem; color: var(--muted); }

/* ============ 页脚 ============ */
footer { margin-top: 80px; border-top: 1px solid var(--rule); padding: 40px 0 48px; background: var(--bg2); }
.foot-grid { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.foot-brand { display: flex; align-items: center; gap: 10px; }
.foot-brand img { width: 30px; height: 30px; border-radius: 7px; }
.foot-col { font-size: 0.9rem; color: var(--muted); }
.foot-col a { color: var(--muted); text-decoration: none; display: block; margin-bottom: 6px; }
.foot-col a:hover { color: var(--accent); }
.foot-col h4 { color: var(--ink); font-size: 0.92rem; margin-bottom: 10px; }
.copyright { margin-top: 30px; text-align: center; font-size: 0.84rem; color: var(--muted); }

@media (max-width: 620px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-inner { gap: 16px; }
  section { padding-top: 48px; }
}