.auth-page { min-height: 100vh; background: linear-gradient(180deg, #eef7ff 0, #f8fbff 46%, #fff 100%); }
.auth-page .page-shell { min-height: 100vh; }
.auth-main { min-height: 560px; padding: 48px 0 66px; background: radial-gradient(circle at 15% 30%, rgba(75, 157, 232, .12), transparent 35%), radial-gradient(circle at 85% 25%, rgba(24, 99, 183, .1), transparent 32%); }
.auth-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(380px, 470px); align-items: center; gap: 60px; }
.auth-intro { padding: 12px 0; color: #365c84; }
.auth-intro-kicker { display: inline-flex; align-items: center; gap: 7px; padding: 5px 11px; border-radius: 20px; color: #0b67bc; background: #e1f0ff; font-size: 12px; }
.auth-intro-kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #1c83e7; box-shadow: 0 0 0 4px rgba(28, 131, 231, .12); }
.auth-intro h1 { margin: 20px 0 12px; color: #07529e; font-family: "STKaiti", "KaiTi", serif; font-size: clamp(34px, 4vw, 54px); font-weight: 700; letter-spacing: .06em; }
.auth-intro p { max-width: 550px; margin: 0; color: #607f9f; font-size: 15px; line-height: 2; }
.auth-feature-list { display: grid; gap: 13px; max-width: 510px; margin: 28px 0 0; padding: 0; list-style: none; }
.auth-feature-list li { display: flex; align-items: center; gap: 10px; color: #4f7397; font-size: 13px; }
.auth-feature-list li::before { content: "✓"; display: grid; place-items: center; width: 21px; height: 21px; border-radius: 50%; color: #fff; background: linear-gradient(135deg, #258fec, #0a62bb); font-size: 12px; font-weight: 700; }
.auth-card { padding: 29px 31px 27px; border: 1px solid #d6e7f7; border-radius: 11px; background: rgba(255,255,255,.98); box-shadow: 0 15px 42px rgba(26, 91, 148, .13); }
.auth-card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; margin-bottom: 21px; }
.auth-card-heading h2 { margin: 0; color: #104f91; font-size: 24px; letter-spacing: .04em; }
.auth-card-heading p { margin: 6px 0 0; color: #8aa2b9; font-size: 11px; }
.auth-card-heading > span { color: #e5a03d; font-size: 25px; }
.auth-field { display: grid; gap: 7px; margin-top: 14px; }
.auth-field label { color: #466b8f; font-size: 12px; }
.auth-field input, .auth-field select { width: 100%; min-height: 39px; box-sizing: border-box; padding: 0 12px; border: 1px solid #cbddec; border-radius: 5px; outline: 0; color: #315f89; background: #fbfdff; font-size: 13px; transition: border-color .2s, box-shadow .2s; }
.auth-field input:focus { border-color: #328de2; box-shadow: 0 0 0 3px rgba(50, 141, 226, .12); }
.auth-field select:focus { border-color: #328de2; box-shadow: 0 0 0 3px rgba(50, 141, 226, .12); }
.auth-field label em { color: #d75656; font-style: normal; }
.auth-hint { color: #829ab1; font-size: 11px; line-height: 1.6; }
.auth-hint a { color: #0d6dcc; }
.captcha-row { display: grid; grid-template-columns: minmax(0, 1fr) 126px; gap: 9px; }
.captcha-code { display: flex; align-items: center; justify-content: center; gap: 7px; min-height: 39px; border: 1px dashed #82b5df; border-radius: 5px; color: #075da9; background: #eef7ff; letter-spacing: .16em; font-weight: 700; }
.captcha-code small { color: #6b8aa7; letter-spacing: 0; font-size: 10px; font-weight: 400; }
.auth-agreement { display: flex; align-items: flex-start; gap: 8px; margin-top: 15px; color: #7891aa; font-size: 11px; line-height: 1.6; }
.auth-agreement input { margin-top: 2px; accent-color: #0d6dcc; }
.auth-agreement a { color: #0d6dcc; }
.auth-submit { width: 100%; height: 40px; margin-top: 20px; border-radius: 5px; color: #fff; background: linear-gradient(135deg, #268fe9, #0968c8); box-shadow: 0 5px 13px rgba(18, 111, 207, .2); font-size: 13px; }
.auth-submit:hover { background: linear-gradient(135deg, #319bf1, #0759ae); }
.auth-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 19px; color: #8aa1b8; font-size: 11px; }
.auth-card-footer a { color: #0e6dca; }
.auth-message { min-height: 18px; margin: -5px 0 1px; color: #d05656; font-size: 12px; line-height: 1.5; }
.auth-message.success { color: #22885d; }
.auth-back { display: inline-flex; align-items: center; gap: 5px; color: #5f81a0; font-size: 11px; }
@media (max-width: 850px) { .auth-main { padding: 30px 0 45px; }.auth-layout { grid-template-columns: 1fr; gap: 24px; }.auth-intro { text-align: center; }.auth-intro p, .auth-feature-list { margin-right: auto; margin-left: auto; }.auth-feature-list { text-align: left; }.auth-card { max-width: 520px; margin: 0 auto; } }
@media (max-width: 520px) { .auth-card { padding: 24px 19px 22px; }.auth-intro h1 { font-size: 35px; }.auth-intro p { font-size: 13px; }.auth-card-footer { align-items: flex-start; flex-direction: column; } }