/*
  国际专线站样式 · 与主站同设计语言
*/

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }

:root {
  --bg: #0e0e10;
  --bg-elev: #18181b;
  --bg-elev-2: #1f1f24;
  --border: #2a2a30;
  --text: #ededee;
  --text-dim: #a0a0a8;
  --text-faint: #6e6e76;
  --accent: #5b8ff9;
  --accent-hover: #7aa3fa;
  --tag-enterprise: #5b8ff9;
  --tag-free: #6ed99c;
  --tag-diy: #d99748;
  --radius: 14px;
  --radius-sm: 8px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hover); }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.logo { font-weight: 600; letter-spacing: 0.3px; }
.topbar-meta { font-size: 13px; color: var(--text-faint); }

main {
  flex: 1;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 24px 24px;
}

.intro { text-align: center; margin-bottom: 56px; }
.intro h1 {
  font-size: clamp(28px, 5vw, 38px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.intro .lead {
  color: var(--text-dim);
  font-size: 15px;
  max-width: 580px;
  margin: 0 auto;
}

.solutions {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 48px;
}

.solution {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.solution-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.solution-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 12px;
  letter-spacing: 0.5px;
}
.tag-enterprise { background: rgba(91, 143, 249, 0.15); color: var(--tag-enterprise); }
.tag-free       { background: rgba(110, 217, 156, 0.15); color: var(--tag-free); }
.tag-diy        { background: rgba(217, 151, 72, 0.15); color: var(--tag-diy); }

.solution h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.solution-meta {
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 14px;
}

.solution p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 14px;
}

.solution-note {
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--bg-elev-2);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

.link-list { list-style: none; padding: 0; margin: 0; }
.link-list li { margin-bottom: 10px; }
.link-list li:last-child { margin-bottom: 0; }
.link-list li a {
  display: block;
  padding: 12px 14px;
  background: var(--bg-elev-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all 0.15s;
}
.link-list li a:hover {
  border-color: var(--accent);
  background: rgba(91, 143, 249, 0.05);
}
.link-list .link-title {
  display: block;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 2px;
  font-size: 14px;
}
.link-list .link-desc {
  display: block;
  color: var(--text-faint);
  font-size: 12px;
  line-height: 1.5;
}

.disclaimer {
  margin-top: 48px;
  padding: 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}
.disclaimer h3 {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 12px;
  font-weight: 600;
}
.disclaimer p { margin-bottom: 8px; }
.disclaimer p:last-child { margin-bottom: 0; }

footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-faint);
}
footer a { color: var(--accent); }