:root{--m88-brand-700: #0B5F59;--m88-brand-600: #0F766E;--m88-brand-500: #14B8A6;--m88-brand-050: #E6F4F1;--m88-navy-900: #08211F;--m88-navy-800: #0B2B2A;--m88-navy-700: #0C2F2C;--m88-bg: #F4F7F7;--m88-surface: #FFFFFF;--m88-surface-2: #F8FBFA;--m88-line: #E6EDEC;--m88-line-strong: #D7E3E1;--m88-text: #0F1F1E;--m88-text-2: #475A58;--m88-text-3: #7B8F8C;--m88-success: #15803D;--m88-warning: #B45309;--m88-danger: #B42318;--m88-radius-card: 10px;--m88-radius-control: 8px;--m88-radius-tag: 6px;--login-panel: #F7FAF9;--login-panel-line: #DCE7E5;--login-brand-300: #5EEAD4;--login-placeholder: #A9B9B6;--login-icon: #9CAFAC;--login-control-radius: 10px}*{box-sizing:border-box}html,body,#app{min-height:100%}body{margin:0;min-width:320px;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;color:var(--m88-text);background:var(--m88-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.logo svg,.feature-icon svg,.card-brand svg,.input-icon,.reveal-icon{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.portal-shell{display:flex;min-height:100vh;background:var(--m88-bg)}.brand-stage{position:relative;display:flex;flex:1 1 58%;flex-direction:column;min-width:0;overflow:hidden;padding:40px 56px 34px;color:#fff;background:radial-gradient(900px 600px at 82% 18%,rgba(20,184,166,.2),transparent 62%),radial-gradient(700px 520px at 10% 90%,rgba(13,148,136,.16),transparent 60%),linear-gradient(158deg,#0a2c29,#0c3a35 46%,#08211f)}.poster-image{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:.12;filter:saturate(.45) brightness(.8) blur(3px);transform:scale(1.03);-webkit-mask-image:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.55) 26%,#000 62%);mask-image:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.55) 26%,#000 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rgba(94,234,212,.1);border-radius:50%}.brand-rings:before{top:110px;right:110px;bottom:110px;left:110px}.brand-rings:after{top:230px;right:230px;bottom:230px;left:230px;border-color:#5eead429}.brand-top,.brand-copy,.brand-foot{position:relative;z-index:2}.brand-top{display:flex;align-items:center;gap:11px}.logo{display:inline-flex;flex:none;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(150deg,#2dd4bf,#0f766e);box-shadow:0 8px 20px #0d948859}.logo svg{width:22px;height:22px;stroke:#fff;stroke-width:1.6}.wordmark{margin:0;font-size:16px;font-weight:600;letter-spacing:.03em;line-height:1.2}.wordmark span{margin-left:9px;font-size:12px;font-weight:400;letter-spacing:.12em;color:#7fa8a2}.brand-copy{max-width:560px;margin:auto 0;padding:40px 0}.eyebrow{margin:0 0 22px;font-size:11px;letter-spacing:.24em;color:#5ea79f}.brand-copy h1{margin:0;font-size:44px;font-weight:600;line-height:1.34;letter-spacing:.01em;color:#f4fbfa}.brand-copy h1 em{font-style:normal;color:var(--login-brand-300)}.lede{max-width:440px;margin:18px 0 0;font-size:14.5px;line-height:1.9;color:#9dbdb8}.features{display:flex;gap:34px;margin:44px 0 0;padding:0;list-style:none}.feature{display:flex;flex-direction:column;gap:10px}.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid rgba(94,234,212,.18);border-radius:9px;background:#5eead41a;color:var(--login-brand-300)}.feature-icon svg{width:17px;height:17px}.feature-title{font-size:13.5px;font-weight:500;color:#d6eae7}.feature-sub{font-size:11.5px;color:#7fa39e}.brand-foot{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;letter-spacing:.02em;color:#5c807c}.form-panel{position:relative;display:flex;flex:1 1 42%;align-items:center;justify-content:center;min-width:420px;padding:48px 56px;background:var(--login-panel)}.form-panel:before{content:"";position:absolute;top:0;bottom:0;left:0;width:1px;background:linear-gradient(180deg,transparent,var(--login-panel-line) 18%,var(--login-panel-line) 82%,transparent)}.login-card{position:relative;width:100%;max-width:356px}.card-brand{display:none;align-items:center;gap:9px;margin-bottom:26px}.card-brand .logo{width:30px;height:30px;border-radius:9px;box-shadow:0 4px 10px #0d948842}.card-brand .logo svg{width:18px;height:18px;stroke:#fff;stroke-width:1.6}.card-brand-name{font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--m88-text-2)}.login-card h2{margin:0;font-size:26px;font-weight:600;line-height:1.3;letter-spacing:-.01em;color:var(--m88-text)}.sub{margin:9px 0 0;font-size:13.5px;line-height:1.6;color:var(--m88-text-3)}.form{display:flex;flex-direction:column;gap:18px;margin-top:34px}.field{display:flex;flex-direction:column;gap:8px}.field label{font-size:12.5px;font-weight:500;letter-spacing:.02em;color:var(--m88-text-2)}.input-wrap{position:relative;display:flex;align-items:center}.input-wrap input{width:100%;height:46px;padding:0 14px 0 42px;border:1px solid var(--m88-line);border-radius:var(--login-control-radius);background:var(--m88-surface);font:inherit;font-size:14px;color:var(--m88-text);box-shadow:0 1px 2px #0f1f1e08;transition:border-color .15s ease,box-shadow .15s ease}.input-wrap input.input-password{padding-right:44px}.input-wrap input:focus{border-color:var(--m88-brand-600);box-shadow:0 0 0 3px #0f766e21;outline:none}.input-wrap input::placeholder{color:var(--login-placeholder)}.input-icon{position:absolute;top:50%;left:14px;width:17px;height:17px;color:var(--login-icon);transform:translateY(-50%);pointer-events:none}.reveal{position:absolute;top:50%;right:8px;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--login-icon);cursor:pointer;transform:translateY(-50%);transition:color .15s ease,background-color .15s ease}.reveal:hover{background:var(--m88-brand-050);color:var(--m88-brand-600)}.reveal:focus-visible{outline:2px solid rgba(15,118,110,.35);outline-offset:1px}.reveal-icon{width:18px;height:18px}.error{margin:0;padding:9px 11px;border:1px solid rgba(180,35,24,.18);border-radius:var(--m88-radius-control);background:#fdf3f2;font-size:12.5px;line-height:1.6;color:var(--m88-danger)}.submit{height:46px;margin-top:8px;border:0;border-radius:var(--login-control-radius);background:var(--m88-brand-600);color:#fff;font:inherit;font-size:14.5px;font-weight:600;letter-spacing:.14em;cursor:pointer;box-shadow:0 8px 20px #0f766e38;transition:background-color .15s ease,box-shadow .15s ease}.submit:hover:not(:disabled){background:var(--m88-brand-700)}.submit:focus-visible{outline:2px solid rgba(15,118,110,.4);outline-offset:2px}.submit:disabled{opacity:.62;cursor:wait;box-shadow:none}.hint{margin:20px 0 0;font-size:11.5px;line-height:1.8;color:#9bada9;text-align:center}.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:40px;font-size:11.5px;color:#a3b5b1}@media(max-width:1180px){.brand-stage{padding:36px 40px 30px}.brand-copy 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