:root{--brand-red:#a8112e;--brand-red-bright:#c2185b;--brand-red-dark:#7b1e3c;--brand-purple:#4a1b52;--brand-navy:#1e1b4b;--brand-ink:#16161d;--brand-body:#3f3f4a;--brand-muted:#6b6b78;--brand-line:#e6e6ec;--brand-bg:#ffffff;--brand-bg-soft:#f7f7fa;--radius-sm:6px;--radius:10px;--radius-lg:16px;--shadow-sm:0 1px 2px rgba(22,22,29,0.06);--shadow:0 4px 16px rgba(22,22,29,0.08);--shadow-lg:0 12px 32px rgba(22,22,29,0.12);--grad-brand:linear-gradient(135deg,#c2185b,#a8112e 55%,#6b1a3c);--maxw:1180px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--brand-bg);color:var(--brand-body);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Source Han Sans SC,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:var(--brand-red);text-decoration:none}a:hover{color:var(--brand-red-dark)}h1,h2,h3,h4{color:var(--brand-ink);line-height:1.3;margin:0 0 .5em;font-weight:700}img{max-width:100%;height:auto}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding:72px 0}.section--soft{background:var(--brand-bg-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.btn:hover{transform:translateY(-1px)}.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 4px 14px rgba(168,17,46,.28)}.btn--primary:hover{color:#fff;box-shadow:0 8px 22px rgba(168,17,46,.36)}.btn--ghost{border-color:var(--brand-line);color:var(--brand-ink);background:#fff}.btn--ghost:hover{border-color:var(--brand-red);color:var(--brand-red)}.btn--light{background:#fff;color:var(--brand-red)}.btn--light:hover{color:var(--brand-red-dark)}.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--brand-red);color:#fff;padding:10px 18px}.skip-link:focus{left:0;color:#fff}:focus-visible{outline:2px solid var(--brand-red);outline-offset:2px}@media (max-width:768px){.section{padding:52px 0}.container{padding:0 18px}}