:root{--bg:#030a25;--bg2:#071043;--surface:#0c1436;--surface2:#111b45;--surface3:#091638;--line:#263d75;--text:#f5f8ff;--muted:#99a8c9;--blue:#1595ff;--electric:#36a8ff;--cyan:#17e0e1;--green:#20bd72;--orange:#ff8418;--nav:#050b2b;--hero1:#020722;--hero2:#101d65;--glow:#1595ff55;--soft:#0e2260}body.light{--bg:#e9f2fb;--bg2:#deebf7;--surface:#f8fbff;--surface2:#edf5fc;--surface3:#dcebf8;--line:#c4d8e8;--text:#0b1d3c;--muted:#5f718c;--blue:#126fe0;--electric:#197ff0;--cyan:#008fae;--green:#13995b;--orange:#e66c09;--nav:#f7fbff;--hero1:#10245f;--hero2:#17669b;--glow:#197ff033;--soft:#cce4f5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","Segoe UI",Arial,sans-serif;transition:.3s}button{font:inherit;cursor:pointer}.top{height:76px;background:var(--nav);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 max(24px,calc((100% - 1220px)/2));gap:35px}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap}.brandmark{width:30px;height:30px;border:2px solid var(--cyan);border-radius:5px;transform:rotate(45deg);position:relative;box-shadow:0 0 20px var(--cyan)}.brandmark:after{content:"";position:absolute;width:11px;height:11px;left:7px;top:7px;background:var(--electric);border-radius:2px;box-shadow:0 0 15px var(--electric)}.brand strong{font-size:22px;letter-spacing:2px}.nav{height:100%;display:flex;align-items:center;justify-content:center;gap:27px;flex:1}.nav a{height:100%;display:flex;align-items:center;color:var(--muted);font-size:13px;position:relative;white-space:nowrap;cursor:pointer}.nav a.active{color:var(--text);font-weight:bold}.nav a.active:after{content:"";position:absolute;height:3px;bottom:0;left:0;right:0;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}.tools{display:flex;gap:8px}.theme{width:38px;height:38px;padding:0;border:1px solid #4b679d;background:#0d1740;color:var(--text);border-radius:50%;font-size:0;display:grid;place-items:center;position:relative;white-space:nowrap;transition:.25s;margin-right:4px;transform:translateX(-1vw)}.theme:hover{border-color:var(--cyan);box-shadow:0 0 18px #17e0e155;transform:translateX(-1vw) translateY(-1px)}.theme:before{content:"";width:14px;height:14px;border:1.8px solid var(--cyan);border-radius:50%;display:block;box-shadow:0 0 10px #17e0e188}.theme:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:#0d1740;top:10px;left:15px;box-shadow:3px -2px 0 0 var(--cyan)}body.light .theme{background:#eef6ff;border-color:#b4cbe2}body.light .theme:before{width:14px;height:14px;border:0;background:var(--orange);box-shadow:0 0 12px #ff9b3d99}body.light .theme:after{content:"";width:3px;height:3px;top:5px;left:18px;background:var(--orange);box-shadow:0 20px 0 -1px var(--orange),20px 0 0 -1px var(--orange),-20px 0 0 -1px var(--orange),14px 14px 0 -1px var(--orange),-14px -14px 0 -1px var(--orange),14px -14px 0 -1px var(--orange),-14px 14px 0 -1px var(--orange)}.login{border:1px solid #278ff0;background:linear-gradient(135deg,#126fe0,#168edb);color:#fff;border-radius:8px;padding:10px 18px;white-space:nowrap;box-shadow:0 0 18px #168eff45;transition:.2s}.login:hover{box-shadow:0 0 25px #168eff88;transform:translateY(-1px)}.primary,.secondary{border-radius:8px}.hero{min-height:620px;background:linear-gradient(120deg,var(--hero1),var(--hero2) 66%,#075c91);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#64b7ff0b 1px,transparent 1px),linear-gradient(90deg,#64b7ff0b 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,#000 0%,#000 62%,transparent 100%)}.hero:after{content:"";position:absolute;width:850px;height:850px;border:1px solid #43baff55;border-radius:50%;right:-240px;top:-430px;box-shadow:0 0 0 42px #168eff20,0 0 0 92px #168eff12,0 0 80px #168eff44}.hero-inner{max-width:1220px;margin:auto;padding:70px 25px;display:grid;grid-template-columns:1fr 530px;gap:52px;align-items:center;position:relative;z-index:1}.hero-copy{padding-left:18px}.eyebrow,.tag{font-size:11px;letter-spacing:3px;color:var(--cyan);font-weight:bold}.eyebrow{margin-bottom:20px}.hero h1{font-size:55px;line-height:1.15;letter-spacing:-2px;margin:0 0 20px;color:#fff;text-shadow:0 0 25px #168eff35}.hero p{font-size:17px;line-height:1.9;color:#c4d7ee;max-width:570px;margin:0}.actions{display:flex;gap:11px;margin-top:31px}.primary{border:0;background:var(--green);color:#fff;border-radius:5px;padding:12px 22px;font-weight:bold;box-shadow:0 0 23px #20bd7244}.secondary{border:0;background:var(--green);color:#fff;border-radius:5px;padding:12px 22px;font-weight:bold;box-shadow:0 0 23px #20bd7244}.hero-note{font-size:11px;color:#92b4d5;margin-top:22px}.visual{height:410px;position:relative}.screen{height:100%;background:linear-gradient(145deg,#101943,#080f31);border:1px solid #4e8fbd;border-radius:12px;padding:18px;transform:rotate(2deg);box-shadow:0 25px 55px #000b,0 0 35px #168eff33,inset 0 0 0 5px #040a25;position:relative;overflow:hidden}.screen:after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--cyan);box-shadow:0 0 14px var(--cyan);animation:scan 4s linear infinite}@keyframes scan{0%{top:5%}100%{top:95%}}.screen-top{display:flex;justify-content:space-between;color:#9db7d0;font-size:10px;border-bottom:1px solid #315477;padding-bottom:13px}.screen-title{font-size:15px;font-weight:bold;margin:16px 0 12px;color:#fff}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px}.metric{background:#172353;border:1px solid #345685;border-radius:6px;padding:12px}.metric small{font-size:10px;color:#a8bdd4}.metric b{font-size:20px;display:block;margin:6px 0;color:#fff}.metric em{font-size:10px;color:#57dfbf;font-style:normal}.chart{height:164px;background:#111b45;border:1px solid #345477;border-radius:6px;margin-top:10px;padding:11px}.chart-head{font-size:10px;color:#a6bfd3}.chart svg{width:100%;height:125px}.event-mini{display:flex;align-items:center;gap:12px;padding:10px 11px;background:#14234b;border:1px solid #326283;border-radius:6px;margin-top:10px}.event-icon{height:29px;width:29px;border-radius:5px;background:#096b9d;color:#72eaf0;display:grid;place-items:center;box-shadow:0 0 15px #16cfe455}.event-mini b{font-size:11px;color:#fff}.event-mini small{display:block;color:#9bb3c8;font-size:9px;margin-top:3px}.signal{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 15px var(--cyan);animation:pulse 1.8s infinite}.s1{right:28%;top:18%}.s2{right:8%;bottom:24%}.s3{left:9%;bottom:11%}@keyframes pulse{50%{transform:scale(1.8);opacity:.4}}.main{max-width:1220px;margin:auto;padding:74px 25px 90px}.center{text-align:center;margin-bottom:32px}.center h2{font-size:29px;margin:0 0 9px;letter-spacing:-.6px}.center p{color:var(--muted);font-size:13px;margin:0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.step{background:var(--surface);border:1px solid var(--line);border-radius:9px;overflow:hidden;box-shadow:0 12px 30px #0002;transition:.25s}.step:hover,.service:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:0 0 24px var(--glow)}.step-art{height:142px;background:var(--surface3);display:grid;place-items:center;position:relative;overflow:hidden}.step-art svg{width:205px;height:115px;position:relative;z-index:1}.step-body{text-align:center;padding:20px 20px 23px}.step-num{color:var(--cyan);font-size:10px;letter-spacing:1.5px}.step h3{font-size:17px;margin:9px 0 7px}.step p{font-size:12px;color:var(--muted);line-height:1.75;margin:0}.heading{text-align:center;margin:75px 0 26px}.heading h2{font-size:28px;margin:0 0 8px}.heading p{color:var(--muted);font-size:13px;margin:0}.services{display:grid;grid-template-columns:1fr 1fr;gap:18px}.service{background:var(--surface);border:1px solid var(--line);border-radius:9px;overflow:hidden;display:grid;grid-template-columns:44% 56%;min-height:275px;transition:.25s}.service-art{background:#080f31;display:grid;place-items:center;padding:14px;position:relative}.service-art:before{content:"";position:absolute;inset:22px;border:1px solid #1a8ae855;border-radius:50%;box-shadow:0 0 25px #168eff22}.service-art.light-art{background:var(--surface3)}.service-art svg{width:100%;height:190px;position:relative;z-index:1}.service-body{padding:27px}.service h3{font-size:21px;margin:11px 0 9px}.service p{font-size:13px;color:var(--muted);line-height:1.85;margin:0}.service a,.download a{display:inline-block;margin-top:19px;color:var(--cyan);font-size:12px;cursor:pointer}.marketing{margin-top:70px;display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}.marketing-copy{padding:35px 30px;background:linear-gradient(135deg,#0b2d60,#0b637b);border:1px solid #238ca7;border-radius:10px;color:#fff;position:relative;overflow:hidden}.marketing-copy:after{content:"✦  ✧  ✦  ✧  ✦";position:absolute;right:20px;top:18px;color:#7ae9f033;font-size:26px;letter-spacing:12px}.marketing-copy h2{font-size:27px;line-height:1.35;margin:12px 0}.marketing-copy p{color:#b9d9e4;line-height:1.85;font-size:13px;margin:0}.marketing-copy button{margin-top:25px}.marketing-visual{border-radius:10px;min-height:260px;background:#080f31;border:1px solid #31557b;display:grid;place-items:center;overflow:hidden;position:relative}.marketing-visual:before{content:"";position:absolute;width:380px;height:380px;border:1px solid #1fc8ed55;border-radius:50%;box-shadow:0 0 0 35px #168eff19,0 0 0 70px #168eff0f}.orbit{width:320px;height:180px;position:relative;z-index:1}.orbit span{position:absolute;border:1px solid #28b9ed88;border-radius:50%;width:100%;height:100%;transform:rotate(-18deg);box-shadow:0 0 14px #168eff33}.orbit span:nth-child(2){transform:rotate(52deg);border-color:#25d9c777}.orbit span:nth-child(3){transform:rotate(90deg);border-color:#ff841877}.orbit i{position:absolute;width:66px;height:66px;left:127px;top:57px;background:linear-gradient(135deg,#18c5e8,#176be8);border-radius:17px;transform:rotate(45deg);box-shadow:0 0 35px #18c5e899}.orbit i:after{content:"汇";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:25px;font-style:normal;transform:rotate(-45deg);font-weight:bold}.download{margin-top:70px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:34px 39px;display:flex;align-items:center;justify-content:space-between;gap:25px}.download h2{font-size:25px;margin:0 0 9px}.download p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}.download .primary{white-space:nowrap}.directory{margin-top:18px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:34px 38px;text-align:center}.directory h2{font-size:25px;margin:0 0 8px}.directory p{font-size:13px;color:var(--muted);margin:0}.broker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;text-align:left;margin-top:26px}.broker{padding:17px;border:1px solid var(--line);border-radius:7px;display:flex;align-items:center;gap:11px;background:var(--surface2);transition:.2s;cursor:pointer}.broker:hover{border-color:var(--cyan);box-shadow:0 0 16px var(--glow)}.logo{width:35px;height:35px;border-radius:6px;display:grid;place-items:center;background:#dceeff;color:#124c7a;font-size:11px;font-weight:bold}.broker b{font-size:13px}.broker small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.broker i{margin-left:auto;color:var(--cyan);font-style:normal;font-size:18px}.foot{background:var(--nav);border-top:1px solid var(--line);padding:27px max(24px,calc((100% - 1220px)/2));display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.toast{display:none;position:fixed;right:24px;bottom:24px;padding:13px 18px;background:#101a42;color:#fff;border:1px solid #327d9e;border-radius:5px;font-size:13px;z-index:4}.toast-success{background:#0d3920;border-color:#20bd72;box-shadow:0 0 18px #20bd7233}.toast-error{background:#3b1014;border-color:#e0442e;box-shadow:0 0 18px #e0442e33}@media(max-width:930px){.top{padding:0 20px;gap:15px}.nav{gap:11px}.hero-inner{grid-template-columns:1fr}.visual{display:none}.hero-copy{text-align:center;padding:0}.hero p{margin:auto}.actions{justify-content:center}.hero-note{text-align:center}.services,.marketing{grid-template-columns:1fr}.broker-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.nav{display:none}.top{justify-content:space-between}.hero h1{font-size:38px}.steps{grid-template-columns:1fr}.broker-grid{grid-template-columns:1fr}.download{display:block;padding:27px 21px}.download .primary{margin-top:20px}.foot{display:block}.foot span{display:block;margin:6px 0}}
.page-shell{max-width:1220px;margin:auto;padding:72px 25px 100px}.page-hero{padding:58px 48px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(135deg,var(--surface),var(--surface2));position:relative;overflow:hidden}.page-hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid var(--cyan);opacity:.12;border-radius:50%;right:-120px;top:-180px}.page-hero h1{font-size:42px;margin:13px 0}.page-hero p{max-width:690px;color:var(--muted);line-height:1.9;font-size:15px}.page-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}.info-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px}.info-card h3{margin:10px 0;font-size:19px}.info-card p{color:var(--muted);font-size:13px;line-height:1.8;margin:0}.icon-box{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:20px}.data-table{width:100%;border-collapse:collapse;margin-top:24px;background:var(--surface);border:1px solid var(--line)}.data-table th,.data-table td{padding:15px 17px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}.data-table th{color:var(--muted);font-weight:normal;background:var(--surface2)}.pill{display:inline-block;padding:4px 9px;border-radius:20px;background:#ff841822;color:var(--orange);font-size:11px}.form-card{max-width:720px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:30px}.form-card label{display:block;color:var(--muted);font-size:12px;margin:0 0 7px}.form-card input,.form-card textarea,.form-card select{width:100%;margin:0 0 17px;padding:12px 13px;border:1px solid var(--line);border-radius:8px;background:var(--surface2);color:var(--text);font:inherit;box-sizing:border-box}.form-card textarea{min-height:130px}.page-footer{background:var(--nav);border-top:1px solid var(--line);padding:28px max(24px,calc((100% - 1220px)/2));display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.ghost-link{color:var(--cyan);text-decoration:none;font-size:13px}@media(max-width:760px){.page-hero{padding:34px 24px}.page-hero h1{font-size:32px}.page-grid{grid-template-columns:1fr}.page-footer{display:block}}
/* v7 polished product header */
.top{height:82px;padding:0 max(28px,calc((100% - 1280px)/2));gap:26px;background:rgba(5,11,43,.94);backdrop-filter:blur(18px);position:relative;z-index:20}
.brand{min-width:178px;gap:13px}.brand strong{font-size:21px;letter-spacing:2px;color:#f5f8ff}.brandmark{width:29px;height:29px;border-radius:9px;box-shadow:0 0 24px #17e0e199}.brandmark:after{border-radius:5px}
.nav{height:48px;flex:1;justify-content:center;gap:3px;padding:4px 6px;background:#0b1640;border:1px solid #203b70;border-radius:16px;box-shadow:inset 0 1px #ffffff0b,0 8px 25px #0002}
.nav a{height:40px;padding:0 17px;border-radius:12px;color:#91a4c5;font-size:13px;font-weight:500;transition:color .22s,background .22s,box-shadow .22s,transform .22s;text-decoration:none!important}
.nav a:after{display:none!important}.nav a:hover{color:#f5f8ff;background:#ffffff0c;text-shadow:none;transform:translateY(-1px)}
.nav a.active{color:#fff;background:linear-gradient(135deg,#1355a7,#11788f);box-shadow:0 5px 18px #168eff44,inset 0 1px #ffffff22;text-shadow:none}.nav a.active:before{display:none}
.tools{min-width:190px;justify-content:flex-end;align-items:center;gap:10px}.theme{width:38px;height:38px;margin:0;transform:none!important;border-radius:12px;border-color:#294b82;background:#0b1741}.theme:hover{transform:translateY(-1px)!important}
.login{padding:10px 15px;border:1px solid #3a5689;background:transparent;color:#d7e6ff;border-radius:11px;box-shadow:none;font-size:12px;text-decoration:none!important;display:inline-flex;align-items:center;justify-content:center;transition:.2s}.login:hover{background:#ffffff0c;border-color:#6da7e8;transform:translateY(-1px)}
.signup{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:11px;background:linear-gradient(135deg,#1383e9,#16b8cf);color:#fff;text-decoration:none;font-size:12px;font-weight:700;box-shadow:0 7px 20px #168eff44;transition:.2s}.signup:hover{transform:translateY(-1px);box-shadow:0 10px 28px #168eff77}
.nav a.cta{color:#e0e7f0}.nav a.cta:hover{background:#1a3a5722;color:#fff}
.page-footer a,.foot a{color:var(--muted);text-decoration:none;transition:color .2s}.page-footer a:hover,.foot a:hover{color:var(--cyan)}
@media(max-width:1100px){.brand{min-width:145px}.nav a{padding:0 10px}.tools{min-width:165px}.signup{padding:10px 11px}.login{padding:10px 10px}}
@media(max-width:760px){.top{height:70px;padding:0 18px}.brand{min-width:auto}.brand strong{font-size:18px}.nav{display:none}.tools{min-width:auto}.signup{display:none}.login{font-size:0;width:38px;height:38px;padding:0}.login:before{content:'↗';font-size:17px}.theme{width:38px}}

/* light navigation theme */
body.light .top{background:rgba(247,251,255,.94);border-bottom-color:#c8d9e9;box-shadow:0 5px 22px #366b9214}
body.light .brand strong{color:#10264a}.light .brandmark{box-shadow:0 0 18px #008fae66}
body.light .nav{background:#e7f0f8;border-color:#c4d8e8;box-shadow:inset 0 1px #fff,0 7px 20px #366b9212}
body.light .nav a{color:#61758d}.light .nav a:hover{color:#12345d;background:#fff}
body.light .nav a.active{color:#0c5cb5;background:linear-gradient(135deg,#deefff,#c8e6ff);box-shadow:inset 0 0 0 1px #a9cdf0,0 3px 10px #126fe033;text-shadow:none}
body.light .nav a.cta{color:#61758d;background:transparent;box-shadow:none}.light .nav a.cta:hover{color:#12345d;background:#ffffff88;transform:translateY(-1px)}
body.light .nav a.cta.active{color:#0c5cb5;background:linear-gradient(135deg,#deefff,#c8e6ff);box-shadow:inset 0 0 0 1px #a9cdf0,0 3px 10px #126fe033;text-shadow:none}
body.light .login{color:#17436c;border-color:#9fbad2;background:#fff}.light .login:hover{background:#eaf4fc;border-color:#4289ca}
body.light .signup{background:linear-gradient(135deg,#126fe0,#008fae);box-shadow:0 7px 18px #126fe033}