:root{--auth-blue:#1273ea;--auth-dark:#071422;--auth-muted:#728091;--auth-line:#dfe6ee}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body.auth-page{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#162133;background:#eef4fa}.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1.08fr) minmax(420px,.92fr)}.auth-visual{position:relative;isolation:isolate;display:flex;min-height:100vh;align-items:center;overflow:hidden;padding:70px clamp(48px,7vw,110px);color:#fff;background:linear-gradient(135deg,#061322 0%,#0a2c50 55%,#0c68cc 100%)}.auth-visual:before,.auth-visual:after{content:"";position:absolute;z-index:-1;border-radius:50%;filter:blur(1px)}.auth-visual:before{width:540px;height:540px;right:-190px;top:-150px;border:1px solid rgba(90,181,255,.28);box-shadow:0 0 0 80px rgba(31,124,215,.08),0 0 0 160px rgba(31,124,215,.05)}.auth-visual:after{width:300px;height:300px;left:-170px;bottom:-120px;background:rgba(29,145,255,.18)}.auth-brand{position:absolute;left:clamp(48px,7vw,110px);top:42px;display:flex;align-items:center;gap:13px;color:#fff;text-decoration:none}.auth-brand img{width:46px;height:46px;border-radius:9px}.auth-brand b{display:block;font-size:19px}.auth-brand span{display:block;margin-top:2px;color:#8ec8ff;font-size:10px;letter-spacing:.2em}.auth-visual-copy{max-width:620px}.auth-kicker{display:flex;align-items:center;gap:12px;color:#7cc4ff;font-size:11px;font-weight:700;letter-spacing:.2em}.auth-kicker:before{content:"";width:34px;height:2px;background:#1888ff}.auth-visual h1{margin:20px 0 18px;font-size:clamp(40px,4.7vw,68px);line-height:1.15;letter-spacing:-.04em}.auth-visual h1 span{color:#55adff}.auth-visual p{max-width:550px;margin:0;color:#bdd0e1;font-size:16px;line-height:1.9}.auth-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:40px}.auth-points div{padding:18px;border:1px solid rgba(151,202,247,.18);border-radius:10px;background:rgba(4,20,36,.28);backdrop-filter:blur(8px)}.auth-points b,.auth-points small{display:block}.auth-points b{font-size:14px}.auth-points small{margin-top:7px;color:#9db4c9;font-size:11px;line-height:1.6}.auth-panel{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:70px clamp(30px,6vw,92px);background:#fff}.auth-card{width:min(440px,100%)}.auth-card>a{color:#657385;font-size:13px;text-decoration:none}.auth-card h2{margin:28px 0 8px;color:#111d2d;font-size:32px;line-height:1.25}.auth-card>.auth-subtitle{margin:0 0 28px;color:var(--auth-muted);font-size:14px;line-height:1.75}.auth-alert{margin-bottom:18px;padding:12px 14px;border-radius:8px;background:#fff1ee;color:#c94534;font-size:13px}.auth-field{display:block;margin-bottom:17px}.auth-field>span{display:block;margin-bottom:8px;color:#344255;font-size:13px;font-weight:700}.auth-field input{width:100%;height:50px;padding:0 15px;border:1px solid var(--auth-line);border-radius:8px;outline:0;background:#fbfcfe;color:#162133;font:inherit;font-size:14px;transition:.2s}.auth-field input:focus{border-color:var(--auth-blue);background:#fff;box-shadow:0 0 0 3px rgba(18,115,234,.1)}.auth-row{display:flex;align-items:center;justify-content:space-between;margin:2px 0 20px;color:#6c7888;font-size:12px}.auth-row label{display:flex;align-items:center;gap:7px}.auth-row input{accent-color:var(--auth-blue)}.auth-submit{width:100%;height:52px;border:0;border-radius:8px;background:linear-gradient(90deg,#126ee0,#1687f7);color:#fff;font:inherit;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 12px 26px rgba(18,115,234,.22);transition:.2s}.auth-submit:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(18,115,234,.28)}.auth-switch{margin:24px 0 0;color:#788493;font-size:13px;text-align:center}.auth-switch a{color:var(--auth-blue);font-weight:700;text-decoration:none}.auth-note{display:flex;gap:10px;margin-top:28px;padding-top:22px;border-top:1px solid #edf0f4;color:#8a95a3;font-size:11px;line-height:1.7}.auth-note:before{content:"✓";display:grid;width:22px;height:22px;flex:0 0 22px;place-items:center;border-radius:50%;background:#eaf5ff;color:var(--auth-blue);font-weight:700}@media(max-width:900px){.auth-shell{display:block}.auth-visual{min-height:340px;padding:105px 28px 45px}.auth-brand{left:28px;top:27px}.auth-visual h1{font-size:38px}.auth-points{display:none}.auth-panel{min-height:auto;padding:46px 24px 90px}.auth-card h2{margin-top:20px}}@media(max-width:480px){.auth-visual{min-height:300px}.auth-visual p{font-size:13px}.auth-visual h1{font-size:33px}.auth-panel{padding:38px 20px 80px}.auth-card h2{font-size:28px}}