:root{--bg:#06101d;--panel:#0a1624;--line:#22364a;--text:#eef6ff;--muted:#8297aa;--cyan:#4fd9ff;--green:#54e6aa;--amber:#f2c36b;--red:#ff7f8b}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;background:#050b12;color:var(--text)}body{min-height:100vh;overflow-x:hidden;background:radial-gradient(circle at 14% 24%,rgba(52,154,255,.13),transparent 32%),radial-gradient(circle at 84% 76%,rgba(70,226,174,.08),transparent 30%),linear-gradient(135deg,#07111d,#03080d 62%,#071018)}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(380px,.65fr);position:relative;overflow:hidden}.login-shell:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.65),transparent)}.login-orbit{position:absolute;border:1px solid rgba(79,217,255,.17);border-radius:50%;pointer-events:none}.orbit-a{width:760px;height:760px;left:-270px;top:-210px}.orbit-b{width:500px;height:500px;right:-210px;bottom:-240px;border-color:rgba(84,230,170,.12)}.login-visual,.login-panel-wrap{position:relative;z-index:1}.login-visual{padding:7vh 7vw 7vh 8vw;display:flex;flex-direction:column;justify-content:center}.login-brandline{display:flex;align-items:center;gap:16px;margin-bottom:70px}.xyx-mark{width:58px;height:58px;border:1px solid rgba(79,217,255,.55);display:grid;place-items:center;font-weight:900;letter-spacing:1px;background:linear-gradient(145deg,rgba(79,217,255,.12),rgba(255,255,255,.02));box-shadow:0 0 30px rgba(79,217,255,.08)}.login-brandline b{display:block;font-size:23px;letter-spacing:4px}.login-brandline span{display:block;font-size:10px;letter-spacing:3px;color:var(--muted);margin-top:5px}.release-pill{display:inline-flex;align-items:center;gap:9px;width:max-content;padding:8px 12px;border:1px solid var(--line);background:rgba(8,20,32,.75);font-size:11px;letter-spacing:1.3px;color:#a8bed0}.release-pill i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}h1{font-size:clamp(44px,5.6vw,78px);line-height:1.04;letter-spacing:-2px;margin:26px 0 22px;max-width:900px}h1 em{font-style:normal;color:var(--cyan)}.login-copy{max-width:720px;color:#a0b2c2;font-size:16px;line-height:1.85;margin:0}.login-feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:48px;max-width:920px}.login-feature-grid>div{min-height:120px;padding:18px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(12,28,43,.78),rgba(7,17,28,.58))}.login-feature-grid span{display:block;color:#567189;font-size:11px;margin-bottom:20px}.login-feature-grid b{display:block;font-size:14px}.login-feature-grid small{display:block;color:var(--muted);font-size:11px;line-height:1.5;margin-top:7px}.login-flow{display:flex;align-items:center;gap:10px;margin-top:30px;color:#70869a;font-size:10px;letter-spacing:1.5px}.login-flow i{width:48px;height:1px;background:#2d465c}.login-panel-wrap{display:flex;align-items:center;justify-content:center;padding:38px 5vw 38px 28px}.login-panel{width:min(470px,100%);padding:34px;border:1px solid #20364a;background:rgba(7,17,27,.88);box-shadow:0 28px 90px rgba(0,0,0,.34);backdrop-filter:blur(18px)}.login-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:32px}.login-panel-head span{font-size:10px;color:var(--green);letter-spacing:2px}.login-panel-head h2{font-size:27px;margin:7px 0 0;letter-spacing:.3px}.login-panel-head>b{font-size:11px;color:var(--cyan);border:1px solid #284a5f;padding:7px 10px;font-weight:600}.login-field{display:block;margin-bottom:17px}.login-field>span{display:block;font-size:11px;color:#94a8b9;margin-bottom:8px}.login-field input{width:100%;height:54px;border:1px solid #263d51;background:#07121d;color:var(--text);padding:0 15px;font-size:15px;outline:none;transition:.18s}.login-field input:focus{border-color:#4f9dbf;box-shadow:0 0 0 3px rgba(79,217,255,.06)}.login-field input::placeholder{color:#52697c}.login-options{display:flex;justify-content:space-between;align-items:center;margin:7px 0 24px;font-size:11px;color:var(--muted)}.login-options label{display:flex;gap:8px;align-items:center}.login-options input{accent-color:#42c8f0}.login-submit{width:100%;height:56px;border:0;background:linear-gradient(90deg,#38c6ee,#4e8fff);color:#04111c;font-weight:800;display:flex;align-items:center;justify-content:space-between;padding:0 20px;cursor:pointer;font-size:14px;letter-spacing:.5px}.login-submit b{font-size:24px}.login-security{margin-top:25px;padding-top:18px;border-top:1px solid #1b2d3d;display:flex;align-items:center;gap:10px;color:#687f92;font-size:10px;line-height:1.5}.login-security i{width:7px;height:7px;border-radius:50%;background:var(--green)}.login-error{border:1px solid rgba(255,127,139,.38);background:rgba(120,30,45,.16);color:#ffabb3;padding:11px 12px;margin-bottom:17px;font-size:12px}@media(max-width:1100px){.login-shell{grid-template-columns:1fr}.login-visual{padding:42px 30px 18px}.login-brandline{margin-bottom:35px}.login-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.login-panel-wrap{padding:20px 30px 50px;justify-content:flex-start}.login-panel{width:100%;max-width:650px}h1{font-size:48px}}@media(max-width:620px){.login-visual{padding:24px 16px 10px}.login-brandline{margin-bottom:24px}.login-brandline b{font-size:19px}.release-pill{font-size:9px}h1{font-size:38px;letter-spacing:-1px}.login-copy{font-size:13px}.login-feature-grid{grid-template-columns:1fr 1fr;margin-top:28px}.login-feature-grid>div{min-height:100px;padding:14px}.login-flow{display:none}.login-panel-wrap{padding:14px 16px 30px}.login-panel{padding:24px 18px}.login-panel-head h2{font-size:23px}}