* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #f4f7fa; color: #18324b; font: 15px/1.8 Arial, "Microsoft YaHei", sans-serif; }
.legal-header { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; min-height: 68px; padding: 10px max(22px, calc((100vw - 1040px) / 2)); border-bottom: 1px solid #dbe5ee; background: rgba(255,255,255,.96); }
.legal-header > a { display: flex; align-items: center; gap: 9px; color: #18324b; text-decoration: none; font-size: 20px; }
.legal-header span { display: grid; width: 36px; height: 36px; place-items: center; background: #ff6a21; color: #fff; font-weight: 800; }
.legal-header nav { display: flex; flex-wrap: wrap; gap: 18px; }
.legal-header nav a { color: #48627b; text-decoration: none; font-weight: 700; }
main { width: min(1040px, calc(100% - 36px)); margin: 0 auto 70px; }
.legal-title { padding: 54px 0 32px; border-bottom: 2px solid #18324b; }
.legal-title p { margin: 0; color: #0d7df2; font-size: 13px; font-weight: 800; }
.legal-title h1 { margin: 5px 0; font-size: 36px; }
.legal-title span { color: #667d92; }
main > section:not(.legal-title) { padding: 36px 0; border-bottom: 1px solid #dbe5ee; }
h2 { margin: 0 0 20px; font-size: 26px; }
h3 { margin: 22px 0 5px; font-size: 17px; }
p { margin: 0 0 12px; color: #4e667d; }
.legal-action { display: inline-flex; min-height: 42px; align-items: center; margin-top: 8px; padding: 0 18px; background: #0d7df2; color: #fff; text-decoration: none; font-weight: 700; }
footer { padding: 24px; background: #17324b; color: #d9e6f0; text-align: center; }
@media (max-width: 720px) { .legal-header { align-items: flex-start; flex-direction: column; gap: 10px; } .legal-title h1 { font-size: 30px; } }