*{box-sizing:border-box}html,body{margin:0;padding:0}:root{--auth-user-btn-start:#d8a76f;--auth-user-btn-end:#cf9b5d;--auth-user-btn-shadow:rgba(133,92,41,.24)}body{font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;min-height:100vh;color:#fff;background:#08111e}
.auth-screen{position:relative;min-height:100vh;overflow:hidden;background:#08111e}.auth-media{position:absolute;inset:0;overflow:hidden;background:#0a1220}.auth-poster,.auth-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.auth-poster{background-position:center;background-size:cover;filter:saturate(1.05) contrast(1.04);transform:scale(1.04)}.auth-video{opacity:.94}.auth-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,15,29,.62) 0%,rgba(9,21,39,.34) 38%,rgba(7,15,26,.78) 100%),radial-gradient(circle at 20% 20%,rgba(50,118,255,.20),transparent 42%),radial-gradient(circle at 78% 18%,rgba(0,210,255,.10),transparent 30%),linear-gradient(180deg,rgba(4,9,18,.30),rgba(4,9,18,.76))}.auth-overlay-admin{background:linear-gradient(180deg,rgba(9,21,37,.24) 0%,rgba(6,17,30,.62) 52%,rgba(5,10,18,.84) 100%),radial-gradient(circle at 20% 18%,rgba(66,153,225,.18),transparent 30%),radial-gradient(circle at 80% 14%,rgba(34,197,94,.16),transparent 28%)}
.auth-admin-screen{background:radial-gradient(circle at 18% 8%,rgba(34,197,94,.18),transparent 26%),radial-gradient(circle at 82% 10%,rgba(56,189,248,.14),transparent 22%),linear-gradient(180deg,#07131d 0%,#0a1c2a 34%,#08141f 100%)}.auth-media-admin{background:linear-gradient(180deg,#0b1f2d 0%,#0d2435 42%,#08141f 100%)}.auth-admin-glow{position:absolute;border-radius:999px;filter:blur(30px);opacity:.82}.auth-admin-glow-left{width:420px;height:420px;left:-130px;top:-100px;background:rgba(59,130,246,.18)}.auth-admin-glow-right{width:360px;height:360px;right:-90px;top:24px;background:rgba(34,197,94,.20)}.auth-admin-pitch{position:absolute;left:50%;bottom:-11vh;transform:translateX(-50%);width:min(1280px,150vw);height:70vh;border-radius:50% 50% 0 0;background:radial-gradient(circle at center top,rgba(74,222,128,.24),rgba(8,56,39,.96) 66%);box-shadow:inset 0 0 0 2px rgba(255,255,255,.04),0 -30px 120px rgba(15,118,110,.18)}.auth-admin-pitch::before{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);width:2px;height:100%;background:rgba(255,255,255,.15)}.auth-admin-pitch::after{content:"";position:absolute;left:50%;top:23%;transform:translateX(-50%);width:250px;height:250px;border-radius:50%;border:2px solid rgba(255,255,255,.12)}
.auth-wrap{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:34px}.auth-wrap-center{justify-content:center}.auth-shell{width:min(1120px,100%);display:grid;grid-template-columns:1fr minmax(420px,520px);gap:36px;align-items:center}.auth-side{display:grid;gap:18px;align-content:center}.auth-brand{font-size:52px;font-weight:900;line-height:1.05;text-shadow:0 14px 36px rgba(0,0,0,.28)}.auth-tag{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.10);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.18);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.auth-copy{max-width:560px;font-size:16px;line-height:1.95;color:rgba(255,255,255,.88)}
.auth-card{position:relative;width:min(100%,560px);padding:30px 28px;border-radius:34px;background:linear-gradient(180deg,rgba(255,255,255,.22),rgba(255,255,255,.10));border:1px solid rgba(255,255,255,.24);box-shadow:0 32px 90px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.18);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px)}.auth-card::before{content:"";position:absolute;inset:10px;border-radius:26px;border:1px solid rgba(255,255,255,.14);pointer-events:none}.auth-card-compact{width:min(100%,480px)}.auth-card-wide{width:min(100%,620px)}.auth-card-admin{width:min(100%,460px);background:linear-gradient(180deg,rgba(9,30,43,.80),rgba(7,18,29,.88));border-color:rgba(113,177,255,.24);box-shadow:0 34px 96px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.08)}
.auth-header{position:relative;z-index:1;margin-bottom:18px;text-align:center}.auth-title{margin:0;font-size:34px;font-weight:900;color:#fff;letter-spacing:.03em}.auth-subtitle{margin:8px 0 0;color:rgba(255,255,255,.78);line-height:1.7;font-size:14px}.auth-top-logos{position:relative;z-index:1;display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:10px 0 16px}.auth-top-logos span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 10px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);font-size:12px;font-weight:900;color:#fff;letter-spacing:.08em}.auth-top-logos-admin span{background:rgba(133,176,255,.12);border-color:rgba(133,176,255,.20)}
.alert{position:relative;z-index:1;margin-bottom:16px;padding:13px 14px;border-radius:14px;font-size:14px;line-height:1.7}.alert-error{background:rgba(153,27,27,.78);color:#fff;border:1px solid rgba(254,202,202,.28)}.alert-success{background:rgba(22,101,52,.78);color:#fff;border:1px solid rgba(187,247,208,.28)}
.auth-form{position:relative;z-index:1;display:grid;gap:14px}.auth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.auth-field{display:grid;gap:8px}.auth-field.full{grid-column:1/-1}.auth-label{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:800;color:rgba(255,255,255,.96)}.auth-label-required::after{content:"*";display:inline-flex;align-items:center;justify-content:center;min-width:16px;height:16px;border-radius:999px;background:rgba(255,75,95,.18);color:#ff5c72;font-size:13px;font-weight:900;line-height:1;box-shadow:0 0 0 1px rgba(255,92,114,.16),0 0 14px rgba(255,92,114,.18)}.auth-required-tip{margin-top:-2px;text-align:right;font-size:12px;color:rgba(255,255,255,.74)}.auth-required-tip span{color:#ff6b80;font-weight:900}.auth-input,.auth-select{width:100%;height:52px;padding:0 16px;border-radius:16px;border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.10);color:#fff;font-size:14px;outline:none;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}.auth-input:focus,.auth-select:focus{border-color:rgba(144,190,255,.76);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(76,129,255,.14)}.auth-input::placeholder{color:rgba(255,255,255,.62)}.auth-input[readonly]{background:rgba(255,255,255,.06);color:rgba(255,255,255,.78);cursor:not-allowed}
.auth-field-note{margin-top:2px;min-height:19px;font-size:12px;line-height:1.6;color:rgba(255,255,255,.70)}

.captcha-wrap{display:grid;grid-template-columns:minmax(0,1fr) 124px;gap:10px;align-items:center}.captcha-question{display:flex;align-items:center;justify-content:center;height:52px;border-radius:16px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);font-size:18px;font-weight:900;letter-spacing:.04em;color:#fff}
.auth-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(255,255,255,.82);line-height:1.7}.auth-check input{margin-top:2px}.auth-btn{width:100%;height:52px;border:none;border-radius:16px;background:linear-gradient(135deg,#2b71ff,#4ec7ff);color:#fff;font-size:16px;font-weight:900;letter-spacing:.2em;cursor:pointer;box-shadow:0 18px 40px rgba(31,82,190,.28)}.auth-btn-user{background:linear-gradient(180deg,var(--auth-user-btn-start) 0%,var(--auth-user-btn-end) 100%);box-shadow:0 18px 40px var(--auth-user-btn-shadow)}.auth-btn-admin{background:linear-gradient(135deg,#1f8d57,#4bb1ff)}.auth-btn:hover{filter:brightness(1.04)}
.auth-links{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:14px;font-size:14px}.auth-links.center{justify-content:center}.auth-links a,.auth-links span{color:rgba(255,255,255,.82);text-decoration:none}.auth-links a:hover{color:#fff}
@media (max-width:900px){.auth-shell{grid-template-columns:1fr}.auth-side{display:none}.auth-wrap{padding:20px}.auth-card,.auth-card-compact,.auth-card-wide,.auth-card-admin{width:min(100%,680px)}}
@media (max-width:640px){.auth-grid{grid-template-columns:1fr}.captcha-wrap{grid-template-columns:1fr}.auth-card{padding:24px 18px;border-radius:26px}.auth-card::before{inset:8px;border-radius:20px}.auth-title{font-size:28px}.auth-top-logos span{min-width:38px;height:38px;font-size:11px}.auth-wrap{padding:14px}.auth-input,.auth-select,.captcha-question,.auth-btn{height:50px}.auth-label-required::after{min-width:15px;height:15px;font-size:12px}}

.captcha-wrap{display:grid;grid-template-columns:minmax(0,1fr) 124px;gap:10px;align-items:center}.captcha-question{display:none}.captcha-image-box{position:relative;display:flex;align-items:center;justify-content:center;width:124px;height:52px;padding:0;border-radius:16px;border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.12);cursor:pointer;overflow:hidden;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}.captcha-image-box:hover{border-color:rgba(144,190,255,.76);background:rgba(255,255,255,.16);box-shadow:0 0 0 4px rgba(76,129,255,.10)}.captcha-image{display:block;width:124px;height:52px;max-width:100%;object-fit:cover}.auth-admin-screen .captcha-image-box{background:rgba(255,255,255,.08)}@media (max-width:640px){.captcha-wrap{grid-template-columns:1fr}.captcha-image-box,.captcha-image{width:100%}}


.auth-btn[disabled],.auth-btn:disabled,.captcha-image-box[disabled],.captcha-image-box:disabled{cursor:not-allowed;opacity:.72}.auth-btn[disabled],.auth-btn:disabled{filter:saturate(.9)}


.auth-center-toast{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) scale(.96);min-width:min(86vw,320px);max-width:min(86vw,520px);padding:18px 22px;border-radius:18px;background:rgba(15,23,42,.94);color:#fff;font-size:15px;font-weight:800;line-height:1.75;text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.32);opacity:0;pointer-events:none;z-index:9999;transition:opacity .18s ease,transform .18s ease}
.auth-center-toast.is-visible{opacity:1;transform:translate(-50%,-50%) scale(1)}
.auth-center-toast.is-error{background:rgba(153,27,27,.96)}
.auth-center-toast.is-success{background:rgba(22,101,52,.95)}
@media (max-width:640px){.auth-center-toast{min-width:min(92vw,320px);padding:16px 18px;font-size:14px;border-radius:16px}}

@media (max-width: 768px){
  body{background:linear-gradient(180deg,#0b1c2c 0%,#102a42 42%,#0f2032 100%)}
  .auth-screen{background:linear-gradient(180deg,#102a42 0%,#0f2235 48%,#0b1826 100%)}
  .auth-media{display:none}
  .auth-wrap{padding:0;align-items:flex-end;justify-content:stretch}
  .auth-card,.auth-card-compact,.auth-card-wide,.auth-card-admin{
    width:100%;min-height:auto;margin:0;border-radius:28px 28px 0 0;padding:24px 18px calc(24px + env(safe-area-inset-bottom));
    background:#fff;border:0;box-shadow:0 -24px 60px rgba(0,0,0,.24);backdrop-filter:none;-webkit-backdrop-filter:none
  }
  .auth-card::before{display:none}
  .auth-header{text-align:left;margin-bottom:16px}
  .auth-title{font-size:30px;color:#11263d;letter-spacing:0}
  .auth-subtitle{color:#6b7c90;font-size:13px;margin-top:6px}
  .auth-label{color:#17324d}
  .auth-input,.auth-select{height:50px;border-radius:16px;border:1px solid #d8e3ef;background:#f7fafc;color:#132238;font-size:14px}
  .auth-input::placeholder{color:#8ca0b4}
  .auth-input:focus,.auth-select:focus{border-color:#7ba6d9;background:#fff;box-shadow:0 0 0 4px rgba(76,129,255,.12)}
  .captcha-image-box{border-color:#d8e3ef;background:#f7fafc}
  .auth-btn{height:52px;border-radius:16px;letter-spacing:.08em;background:linear-gradient(135deg,#1e5a93,#249e7b);box-shadow:0 14px 30px rgba(17,73,125,.22)}.auth-btn-user{background:linear-gradient(180deg,var(--auth-user-btn-start) 0%,var(--auth-user-btn-end) 100%);box-shadow:0 14px 30px rgba(133,92,41,.22)}
  .auth-links{gap:14px;justify-content:space-between}
  .auth-links a,.auth-links span{color:#597089}
  .auth-field-note,.auth-required-tip{color:#7f93a7}
}
@media (max-width: 420px){
  .auth-card,.auth-card-compact,.auth-card-wide,.auth-card-admin{padding:22px 16px calc(22px + env(safe-area-inset-bottom));border-radius:24px 24px 0 0}
  .auth-title{font-size:28px}
}