:root{--font-family:'Microsoft YaHei UI','PingFang SC',sans-serif}.fi-simple-layout{background:radial-gradient(ellipse at 15% 15%,#dbeafe 0,transparent 45%),radial-gradient(ellipse at 85% 80%,#e0f2fe 0,transparent 40%),#f3f6fb}.fi-simple-main{border:1px solid #e2e8f0;box-shadow:0 20px 70px #1e3a8a14;border-radius:20px;background:white}.fi-sidebar{border-right:1px solid #e5eaf3;background:white}.fi-main{background:#f6f8fc}.fi-topbar{border-bottom:1px solid #e5eaf3}.fi-section,.fi-ta-ctn{border:1px solid #e5eaf3;box-shadow:0 3px 15px #17255404}.contacts-brand{display:flex;align-items:center;gap:11px;color:#0f2544;font-weight:700;font-size:18px;white-space:nowrap}.contacts-brand-icon{display:flex;align-items:center;justify-content:center;background:#2563eb;color:white;border-radius:11px;width:36px;height:36px}.contacts-brand small{display:block;font-size:10px;font-weight:500;letter-spacing:2px;color:#94a3b8}.contacts-welcome{background:linear-gradient(110deg,#172f55,#2455a0);border-radius:16px;padding:28px;color:white;display:flex;justify-content:space-between;gap:24px;margin-bottom:24px}.contacts-welcome h2{font-size:24px;font-weight:700;margin-bottom:10px}.contacts-welcome p{color:#c6dcfa;font-size:14px;line-height:1.8}.contacts-welcome .contacts-tag{border:1px solid #ffffff30;border-radius:99px;padding:7px 14px;color:#c6dcfa;font-size:12px;align-self:flex-start;white-space:nowrap}.contacts-help{font-size:13px;color:#64748b;line-height:1.9;margin-top:24px}@media(max-width:640px){.contacts-welcome{padding:22px;flex-direction:column}.contacts-welcome h2{font-size:20px}}
.contacts-error{margin:0;background:#f3f6fb;color:#172f55;font:16px "Microsoft YaHei UI",sans-serif;min-height:100vh;display:grid;place-items:center}.contacts-error main{max-width:520px;background:white;border:1px solid #e2e8f0;border-radius:20px;padding:48px;margin:24px;box-shadow:0 20px 70px #1e3a8a14}.contacts-error-code{font-size:64px;font-weight:700;color:#2563eb}.contacts-error h1{font-size:26px}.contacts-error p{color:#64748b;line-height:1.8}.contacts-error a{display:inline-block;margin:16px 16px 0 0;color:#2563eb;text-decoration:none}