:root{--blue:#3158b7;--deep:#13285f;--cyan:#19b9d4;--ink:#111b37;--muted:#69758e;--line:#dce5f2;--soft:#f3f7ff;--ok:#19a974;--danger:#e15361}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#f7faff}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.shell{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1fr) minmax(470px,.82fr)}.visual{position:relative;overflow:hidden;padding:44px 5vw;background:radial-gradient(circle at 72% 28%,rgba(59,111,236,.38),transparent 27%),linear-gradient(145deg,#081632,#132c6c 58%,#2250ad);color:#fff}.visual:before{content:"";position:absolute;inset:-10%;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:68px 68px;transform:rotate(-7deg)}.visual:after{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-250px;bottom:-100px;box-shadow:0 0 0 80px rgba(255,255,255,.035),0 0 0 160px rgba(255,255,255,.018)}.visual-logo{position:relative;z-index:2;width:250px;filter:brightness(0) invert(1)}.visual-copy{position:absolute;z-index:2;left:5vw;bottom:9vh}.visual-copy small{font:700 11px/1 ui-monospace,monospace;letter-spacing:.2em;color:#8fe6f5}.visual-copy h1{font-size:clamp(42px,5vw,72px);line-height:1.08;letter-spacing:-.05em;margin:18px 0}.visual-copy p{color:#c3cce0;line-height:1.8;max-width:530px}.visual-node{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 8px rgba(25,185,212,.12),0 0 25px rgba(25,185,212,.8);animation:float 5s ease-in-out infinite}.vn1{left:24%;top:32%}.vn2{right:22%;top:19%;animation-delay:-2s}.vn3{left:55%;bottom:30%;animation-delay:-3.6s}.panel{display:flex;align-items:center;justify-content:center;padding:56px;background:#fff;position:relative}.panel:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 90% 10%,rgba(49,88,183,.08),transparent 24%);pointer-events:none}.card{position:relative;width:min(100%,440px)}.kicker{color:var(--blue);font:700 10px/1 ui-monospace,monospace;letter-spacing:.18em}.card h2{font-size:34px;margin:16px 0 10px;letter-spacing:-.03em}.lead{color:var(--muted);line-height:1.7;margin:0 0 30px}.qr-frame{width:272px;height:272px;margin:0 auto 24px;padding:16px;border:1px solid var(--line);border-radius:30px;background:#fff;box-shadow:0 24px 70px rgba(25,52,113,.13);position:relative;display:grid;place-items:center}.qr-frame:before,.qr-frame:after{content:"";position:absolute;width:42px;height:42px;border:3px solid var(--cyan);border-right:0;border-bottom:0;border-radius:10px 0 0;left:-5px;top:-5px}.qr-frame:after{left:auto;top:auto;right:-5px;bottom:-5px;transform:rotate(180deg)}.qr-frame img{width:100%;height:100%;object-fit:contain;border-radius:16px}.qr-placeholder{text-align:center;color:#94a0b5;font-size:13px;line-height:1.7}.qr-placeholder i{display:block;width:38px;height:38px;margin:0 auto 12px;border:3px solid #e4eaf3;border-top-color:var(--blue);border-radius:50%;animation:spin 1s linear infinite}.status{text-align:center;font-size:13px;color:var(--muted);min-height:24px}.status:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#f2b84b;margin-right:8px;box-shadow:0 0 0 5px rgba(242,184,75,.12)}.status.ok{color:var(--ok)}.status.ok:before{background:var(--ok)}.status.error{color:var(--danger)}.status.error:before{background:var(--danger)}.refresh{display:block;margin:15px auto 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img{width:230px}.user-menu{display:flex;align-items:center;gap:15px}.avatar{width:42px;height:42px;border-radius:14px;object-fit:cover;background:linear-gradient(145deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:800}.user-name{font-size:13px;font-weight:700}.user-role{display:block;font-size:10px;color:var(--muted);margin-top:4px}.logout{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 13px;cursor:pointer;color:#66728a}.apps-main{max-width:1180px;margin:auto;padding:90px 24px}.apps-main .kicker{display:block;margin-bottom:16px}.apps-main h1{font-size:clamp(40px,5vw,68px);letter-spacing:-.05em;margin:0}.apps-main>p{color:var(--muted);margin:20px 0 50px}.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.app-card{min-height:310px;border:1px solid rgba(192,207,235,.8);border-radius:30px;background:rgba(255,255,255,.83);padding:34px;position:relative;overflow:hidden;box-shadow:0 20px 60px rgba(26,60,130,.08);transition:.35s}.app-card:before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:-80px;top:-90px;background:var(--accent);opacity:.15;filter:blur(35px)}.app-card:hover{transform:translateY(-7px);box-shadow:0 30px 80px rgba(26,60,130,.16);border-color:#b7c9e7}.app-icon{width:68px;height:68px;border-radius:21px;background:linear-gradient(145deg,var(--accent),var(--deep));color:#fff;display:grid;place-items:center;font-size:25px;font-weight:800;box-shadow:0 14px 30px rgba(31,70,155,.22)}.app-card small{display:block;color:var(--accent);font:700 9px/1 ui-monospace,monospace;letter-spacing:.17em;margin:34px 0 10px}.app-card h2{margin:0;font-size:25px}.app-card p{color:var(--muted);font-size:13px;line-height:1.7;max-width:350px}.app-card .go{position:absolute;right:30px;bottom:28px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:18px;transition:.3s}.app-card:hover 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