*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:#e0e0e0;line-height:1.6;background:#0a1628}

.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,22,40,0.95);backdrop-filter:blur(12px);padding:0 40px;height:60px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(0,180,216,0.12)}
.nav-l{display:flex;align-items:center;gap:10px;color:#fff;font-weight:600;font-size:16px}
.nav-r{display:flex;gap:20px;align-items:center}
.nav-r a{color:rgba(255,255,255,0.65);font-size:13px;transition:color 0.2s;text-decoration:none}
.nav-r a:hover{color:#00b4d8}

.hero{background:linear-gradient(160deg,#030b17 0%,#0a1628 30%,#0d2137 60%,#0a1628 100%);padding:120px 20px 80px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(0,180,216,0.06) 0%,transparent 70%);pointer-events:none}
.hero-inner{max-width:750px;margin:0 auto;position:relative;z-index:1}
.hero-icon{font-size:64px;margin-bottom:12px}
.hero h1{color:#fff;font-size:40px;font-weight:800;margin-bottom:8px;letter-spacing:-0.5px}
.hero h1 span{background:linear-gradient(135deg,#0077b6,#00b4d8,#48cae4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero .sub{color:rgba(255,255,255,0.45);font-size:16px;margin-bottom:8px}
.hero .ver{color:rgba(255,255,255,0.3);font-size:13px;margin-bottom:30px}

.hero-badge{display:inline-block;background:rgba(0,180,216,0.12);border:1px solid rgba(0,180,216,0.25);color:#00b4d8;padding:4px 14px;border-radius:20px;font-size:12px;font-weight:600;margin-bottom:20px;letter-spacing:1px}

.hero-small{padding:100px 20px 60px;text-align:center}
.hero-small h1{color:#fff;font-size:32px;font-weight:700;margin-bottom:4px}
.hero-small .sub{color:rgba(255,255,255,0.45);font-size:14px}

.dash-hero{padding:100px 20px 60px;text-align:center}
.dash-hero h1{color:#fff;font-size:32px;font-weight:700;margin-bottom:4px}
.dash-hero .sub{color:rgba(255,255,255,0.45);font-size:14px}

.login-inline{color:#0077b6;text-decoration:none}

.stats-bar{background:rgba(0,119,182,0.05);border-top:1px solid rgba(0,180,216,0.06);border-bottom:1px solid rgba(0,180,216,0.06);padding:40px 20px}
.stats-grid{max-width:800px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
.stats-grid .num{font-size:34px;font-weight:800;background:linear-gradient(135deg,#0077b6,#48cae4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stats-grid .lbl{font-size:13px;color:rgba(255,255,255,0.35);margin-top:4px}

.features{padding:80px 20px;background:#0a1628}
.features h2{text-align:center;font-size:30px;font-weight:700;margin-bottom:8px;color:#fff}
.features .sub2{text-align:center;color:rgba(255,255,255,0.35);font-size:15px;margin-bottom:50px}
.feat-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat-card{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:28px 22px;transition:transform 0.2s,border-color 0.2s,background 0.2s}
.feat-card:hover{transform:translateY(-4px);border-color:rgba(0,180,216,0.3);background:rgba(0,180,216,0.04)}
.feat-card .icon{font-size:32px;margin-bottom:12px}
.feat-card h3{font-size:16px;font-weight:600;margin-bottom:6px;color:#e0e0e0}
.feat-card p{font-size:13px;color:rgba(255,255,255,0.45);line-height:1.7}

.settings{padding:80px 20px;background:rgba(0,119,182,0.04);border-top:1px solid rgba(0,180,216,0.06);border-bottom:1px solid rgba(0,180,216,0.06)}
.settings h2{text-align:center;font-size:30px;font-weight:700;margin-bottom:8px;color:#fff}
.settings .sub2{text-align:center;color:rgba(255,255,255,0.35);font-size:15px;margin-bottom:50px}
.settings-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.settings-card{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:24px 20px}
.settings-card h4{font-size:15px;font-weight:600;margin-bottom:12px;color:#e0e0e0}
.settings-card ul{list-style:none}
.settings-card li{font-size:13px;color:rgba(255,255,255,0.45);line-height:1.8;padding-left:16px;position:relative}
.settings-card li::before{content:"•";position:absolute;left:0;color:#00b4d8}

.workflow{padding:80px 20px;background:rgba(0,119,182,0.04);border-top:1px solid rgba(0,180,216,0.06);border-bottom:1px solid rgba(0,180,216,0.06)}
.workflow h2{text-align:center;font-size:30px;font-weight:700;margin-bottom:8px;color:#fff}
.workflow .sub2{text-align:center;color:rgba(255,255,255,0.35);font-size:15px;margin-bottom:50px}
.wf-grid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:30px;text-align:center}
.wf-step{position:relative}
.wf-step .step-num{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#0077b6,#00b4d8);color:#fff;font-size:20px;font-weight:700;margin-bottom:16px}
.wf-step h3{color:#e0e0e0;font-size:16px;font-weight:600;margin-bottom:6px}
.wf-step p{color:rgba(255,255,255,0.4);font-size:13px;line-height:1.6}
.wf-note{max-width:900px;margin:30px auto 0;text-align:center}
.wf-note p{color:rgba(255,255,255,0.35);font-size:13px}

.advantages{padding:80px 20px;background:#0a1628}
.advantages h2{text-align:center;font-size:30px;font-weight:700;margin-bottom:8px;color:#fff}
.advantages .sub2{text-align:center;color:rgba(255,255,255,0.35);font-size:15px;margin-bottom:50px}
.adv-grid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.adv-item{display:flex;align-items:flex-start;gap:14px;padding:20px;background:rgba(255,255,255,0.02);border-radius:10px;border:1px solid rgba(255,255,255,0.04)}
.adv-item .check{color:#00b4d8;font-size:18px;flex-shrink:0;margin-top:2px}
.adv-item h4{color:#e0e0e0;font-size:14px;font-weight:600;margin-bottom:3px}
.adv-item p{color:rgba(255,255,255,0.4);font-size:12px;line-height:1.5}

.cta{padding:60px 20px;background:linear-gradient(135deg,rgba(0,119,182,0.08),rgba(0,180,216,0.04));text-align:center}
.cta h2{color:#fff;font-size:26px;font-weight:700;margin-bottom:8px}
.cta p{color:rgba(255,255,255,0.4);font-size:14px;margin-bottom:24px}

.dash-content{padding:40px 20px;background:#0a1628}
.dash-inner{max-width:900px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.dash-card{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:24px}
.dash-card h3{font-size:15px;font-weight:600;color:#e0e0e0;margin-bottom:12px}
.dash-avatar{width:52px;height:52px;background:linear-gradient(135deg,#0077b6,#00b4d8);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;font-weight:bold}
.dash-row{display:flex;justify-content:space-between;padding:8px 0;font-size:13px;border-top:1px solid rgba(255,255,255,0.06)}
.dash-row .label{color:rgba(255,255,255,0.4)}
.dash-row .value{color:rgba(255,255,255,0.7)}
.dash-row .value-primary{color:#00b4d8;font-weight:600}
.dash-row .value-success{color:#4caf50;font-weight:600}
.dash-edit-btn{font-size:13px;color:#00b4d8;cursor:pointer;padding:4px 10px;border:1px solid rgba(0,180,216,0.4);border-radius:4px;white-space:nowrap}
.dash-edit-btn:hover{background:rgba(0,180,216,0.08)}
.dash-logout{color:#f44336;font-size:12px;text-decoration:none}
.dash-logout:hover{color:#ff6e6e}

.edit-form{display:none;margin-top:12px;padding-top:12px;border-top:2px solid #0077b6}
.edit-form label{font-size:12px;color:rgba(255,255,255,0.4);display:block;margin-bottom:3px}
.edit-form input{width:100%;padding:8px 10px;border:1px solid rgba(255,255,255,0.12);border-radius:6px;font-size:14px;box-sizing:border-box;background:rgba(255,255,255,0.05);color:#e0e0e0;margin-bottom:10px}
.edit-form .btn-row{display:flex;gap:8px;justify-content:flex-end}
.edit-form .btn-cancel{background:rgba(255,255,255,0.15);color:#e0e0e0;border:none;padding:8px 20px;border-radius:6px;cursor:pointer;font-size:13px}
.edit-form .btn-save{background:linear-gradient(135deg,#0077b6,#00b4d8);color:#fff;border:none;padding:8px 20px;border-radius:6px;cursor:pointer;font-size:13px}
.edit-error{color:#d32f2f;font-size:12px;margin-bottom:8px;display:none}

.ref-card{background:rgba(0,119,182,0.08);border:1px dashed rgba(0,180,216,0.2);border-radius:8px;padding:16px;text-align:center;margin-bottom:12px}
.ref-card .hint{font-size:11px;color:rgba(255,255,255,0.35);margin-bottom:6px}
.ref-card .code{font-size:24px;font-weight:700;color:#00b4d8;letter-spacing:3px;cursor:pointer}
.ref-card .copytip{font-size:11px;color:rgba(255,255,255,0.25);margin-top:6px}
.ref-stats{display:flex;gap:16px}
.ref-stats>div{flex:1;text-align:center;padding:14px;background:rgba(255,255,255,0.03);border-radius:8px}
.ref-stats .num{font-size:22px;font-weight:700;color:#e0e0e0}
.ref-stats .lbl{font-size:12px;color:rgba(255,255,255,0.35);margin-top:2px}

.stat-box{text-align:center;padding:16px;background:rgba(255,255,255,0.03);border-radius:8px}
.stat-box .num{font-size:28px;font-weight:700;color:#00b4d8}
.stat-box .lbl{font-size:12px;color:rgba(255,255,255,0.35);margin-top:4px}

.recent-item{display:flex;justify-content:space-between;padding:8px 0;font-size:13px;border-bottom:1px solid rgba(255,255,255,0.06)}
.recent-item .name{color:#e0e0e0}
.recent-item .time{color:rgba(255,255,255,0.3);font-size:11px}

.verify-btn{background:#0077b6;color:#fff;border:none;padding:8px 12px;border-radius:6px;font-size:12px;cursor:pointer;white-space:nowrap}
.verify-btn:hover{background:#006494}

.footer{background:#030b17;color:rgba(255,255,255,0.2);text-align:center;padding:30px 20px;font-size:12px;border-top:1px solid rgba(255,255,255,0.04)}

.btn-primary{display:inline-block;background:linear-gradient(135deg,#0077b6,#00b4d8);color:#fff;padding:12px 36px;border-radius:8px;font-size:16px;font-weight:700;text-decoration:none;transition:transform 0.2s,box-shadow 0.2s;box-shadow:0 4px 20px rgba(0,119,182,0.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,119,182,0.5)}
.btn-outline{display:inline-block;background:transparent;color:#00b4d8;padding:10px 28px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;border:1.5px solid rgba(0,180,216,0.4);transition:all 0.2s}
.btn-outline:hover{background:rgba(0,180,216,0.08);border-color:#00b4d8}
.btn-sm{display:inline-block;padding:7px 18px;border-radius:6px;font-size:13px;font-weight:600;text-decoration:none;transition:opacity 0.2s}
.btn-sm-primary{background:linear-gradient(135deg,#0077b6,#00b4d8);color:#fff}
.btn-sm-primary:hover{opacity:0.9}
.btn-sm-success{background:#4caf50;color:#fff;padding:10px 28px;border-radius:6px;font-size:14px;font-weight:600}

.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:200;align-items:center;justify-content:center}
.modal-box{background:#fff;border-radius:14px;padding:36px;width:400px;max-width:90vw;box-shadow:0 20px 60px rgba(0,0,0,0.3);position:relative;color:#333}
.modal-close{position:absolute;top:12px;right:16px;font-size:22px;color:#999;cursor:pointer}
.modal-title{font-size:18px;color:#333;margin-bottom:20px}
.modal-input{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;margin-bottom:12px;box-sizing:border-box}
.modal-btn{width:100%;background:#0077b6;color:#fff;border:none;padding:11px;border-radius:6px;font-size:15px;cursor:pointer;transition:background 0.2s}
.modal-btn:hover{background:#006494}
.modal-btn-success{background:#4caf50}
.modal-btn-success:hover{background:#388e3c}
.modal-link{color:#0077b6;text-decoration:none;font-size:13px}
.modal-link:hover{color:#00b4d8}
.modal-tip{font-size:13px;color:#888;text-align:center;margin-top:14px}
.modal-error{color:#d32f2f;font-size:13px;margin-bottom:10px;display:none}

.section-dark{background:rgba(0,119,182,0.04);border-top:1px solid rgba(0,180,216,0.06);border-bottom:1px solid rgba(0,180,216,0.06);padding:80px 20px}
.section-dark h2{text-align:center;font-size:30px;font-weight:700;margin-bottom:8px;color:#fff}
.section-dark .sub2{text-align:center;color:rgba(255,255,255,0.35);font-size:15px;margin-bottom:50px}

.card-white{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:12px;padding:24px}

@media(max-width:768px){
  .hero h1{font-size:28px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:1fr}
  .settings-grid{grid-template-columns:1fr}
  .wf-grid{grid-template-columns:1fr;gap:20px}
  .adv-grid{grid-template-columns:1fr}
  .dash-inner{grid-template-columns:1fr}
  .nav{padding:0 16px}
  .hero .btn-outline{margin-left:0;margin-top:10px}
}