:root{color-scheme:dark;--bg:#0b1114;--panel:#151e21;--panel-soft:#1b2628;--line:#304043;--text:#eaf2ed;--muted:#aabbb6;--accent:#b8e76f;--accent-dark:#1b2b13;--danger:#f4aaa2;font-family:"Segoe UI","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}
html{min-width:320px;background:var(--bg)}
body{margin:0;color:var(--text);background:radial-gradient(circle at 16% 12%,#18252a 0,transparent 36%),var(--bg);min-height:100vh}
button,input{font:inherit}
button{cursor:pointer}
button:disabled{cursor:wait;opacity:.7}
[hidden]{display:none!important}
::selection{background:var(--accent);color:#152012}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.shell{max-width:1540px;min-height:100vh;margin:auto;padding:0 clamp(22px,4.5vw,72px);display:flex;flex-direction:column}
.topbar{height:98px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #28363a}
.brand{display:inline-flex;gap:13px;align-items:center;color:var(--text);text-decoration:none;font-size:22px;font-weight:760;letter-spacing:-.04em}
.brand-dot{color:var(--accent)}
.brand-mark{position:relative;width:29px;height:29px;display:inline-block;transform:rotate(-13deg)}
.brand-mark span{position:absolute;display:block;background:var(--accent);border-radius:3px;height:6px}
.brand-mark span:nth-child(1){left:1px;top:2px;width:25px}
.brand-mark span:nth-child(2){left:7px;top:11px;width:19px}
.brand-mark span:nth-child(3){left:13px;top:20px;width:13px}
.topbar-right{display:flex;align-items:center;gap:34px}
.status{font-size:13px;color:var(--muted);letter-spacing:.02em;white-space:nowrap}
.status-dot,.online-dot{display:inline-block;vertical-align:middle;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:8px;box-shadow:0 0 0 4px #b8e76f13}
.text-button{border:0;background:none;color:var(--text);font-size:13px;padding:10px 0}
.text-button:hover{color:var(--accent)}
.main-grid{flex:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(410px,520px);gap:clamp(44px,6vw,110px);align-items:center;padding:clamp(60px,6vw,100px) 0}
.intro{height:100%;min-height:610px;display:flex;flex-direction:column;justify-content:space-between}
.intro-inner{padding-top:10px}
.intro-rule{width:72px;height:5px;border-radius:4px;background:var(--accent);margin-bottom:47px}
h1{font-size:clamp(64px,6.3vw,100px);line-height:1.13;letter-spacing:-.04em;margin:0;font-weight:760}
h1 em{font-style:normal;color:var(--accent)}
.intro-copy{max-width:560px;color:#bbc9c3;font-size:17px;line-height:1.9;margin:32px 0 54px}
.flow{max-width:470px;border-top:1px solid var(--line)}
.flow-item{display:grid;grid-template-columns:55px 1fr;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}
.flow-index{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--accent);font-size:12px;padding-top:3px}
.flow-item strong{display:block;font-size:15px;font-weight:650}
.flow-item small{display:block;margin-top:6px;font-size:12px;color:var(--muted)}
.intro-footer{display:flex;align-items:center;gap:13px;color:#819b93;font-size:11px;letter-spacing:.2em;font-weight:700}
.pulse-line{width:38px;height:1px;background:var(--accent);display:inline-block}
.workspace{background:var(--panel);border:1px solid #526662;border-radius:18px;padding:clamp(28px,3.4vw,48px);align-self:center;width:100%;min-height:580px}
.workspace-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:42px}
h2{margin:0;font-size:30px;letter-spacing:-.03em;font-weight:700}
.panel-state{border:1px solid #4e634b;border-radius:99px;padding:7px 10px;color:var(--accent);font-size:11px;letter-spacing:.04em;white-space:nowrap;margin-top:4px}
.panel-copy{color:var(--muted);font-size:14px;line-height:1.8;margin:0 0 34px}
.form-block{display:flex;flex-direction:column}
label{color:#d6e3dd;font-size:13px;font-weight:650;margin:0 0 11px}
input{width:100%;height:54px;padding:0 17px;color:var(--text);background:#0e171a;border:1px solid #435659;border-radius:10px;outline:none;transition:border-color .2s,box-shadow .2s}
input::placeholder{color:#8ca29b;opacity:1}
input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #b8e76f1a}
.input-wrap{position:relative;display:flex;align-items:center}
.input-wrap input{flex:1;min-width:0}
.input-wrap:has(.country-code) input{padding-left:65px}
.country-code{position:absolute;left:17px;color:#d5e4dc;border-right:1px solid #435659;padding-right:11px;font-size:14px;pointer-events:none}
.reveal-button{position:absolute;right:10px;padding:8px;border:0;background:transparent;color:var(--muted);font-size:12px}
.reveal-button:hover{color:var(--accent)}
.primary-button,.secondary-button{height:54px;width:100%;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-radius:10px;margin-top:20px;font-weight:700;font-size:14px;transition:background .2s,transform .2s}
.primary-button{background:var(--accent);color:#15220e;border:1px solid var(--accent)}
.primary-button:hover:not(:disabled){background:#d0f69a;transform:translateY(-2px)}
.secondary-button{background:transparent;color:var(--accent);border:1px solid #63775a}
.secondary-button:hover:not(:disabled){background:#223324}
.form-footnote{color:#91aaa1;font-size:12px;line-height:1.7;margin:25px 0 0}
.notice{font-size:13px;line-height:1.6;border-radius:10px;padding:13px 15px;margin:-17px 0 24px;border:1px solid #865753;color:var(--danger);background:#402725}
.notice.success{border-color:#486b3d;color:#ceecba;background:#223325}
.account-toolbar{display:flex;justify-content:space-between;gap:14px;align-items:center;color:#dce9e0;font-size:13px;margin:-10px 0 16px}
.account-toolbar>div{display:flex;align-items:center}
.account-count{margin-left:10px;color:var(--accent);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.toolbar-note{color:var(--muted);font-size:11px}
.account-list{max-height:198px;overflow-y:auto;scrollbar-color:#4c6059 transparent;scrollbar-width:thin}
.account-row{display:flex;align-items:center;gap:13px;padding:12px 0;border-top:1px solid var(--line)}
.account-icon{height:34px;width:34px;display:grid;place-items:center;border-radius:8px;background:#334b31;color:var(--accent);font-size:14px;font-weight:800}
.account-info{display:flex;flex-direction:column;gap:4px;flex:1}
.account-info strong{font-size:13px;letter-spacing:.03em}
.account-info small{color:var(--muted);font-size:11px}
.connected{color:var(--accent);font-size:11px}
.empty-state{border:1px dashed #52645f;border-radius:10px;padding:20px;color:var(--muted);font-size:13px;line-height:1.6}
.divider{height:1px;background:var(--line);position:relative;margin:32px 0 33px}
.divider span{position:absolute;top:-10px;left:0;background:var(--panel);padding-right:14px;font-weight:700;font-size:13px;color:var(--text)}
#code-group{margin-top:22px}
#code-group input{margin-bottom:0}
.bottom-bar{height:60px;border-top:1px solid #28363a;display:flex;justify-content:space-between;align-items:center;color:#a8bdb5;font-size:11px;letter-spacing:.1em}
@media(max-width:980px){.main-grid{grid-template-columns:1fr;gap:55px;padding:56px 0 70px}.intro{min-height:0}.intro-footer{display:none}.intro-copy{margin-bottom:30px}.flow{max-width:none;display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.flow-item{border-bottom:0;grid-template-columns:1fr;gap:8px;padding-right:12px}.workspace{max-width:700px;justify-self:center;min-height:0}}
@media(max-width:600px){.shell{padding:0 20px}.topbar{height:74px}.brand{font-size:20px}.topbar-right{gap:14px}.status{font-size:0}.status-dot{margin:0}.text-button{font-size:12px}.main-grid{padding:40px 0 52px;gap:38px}.intro-rule{margin-bottom:30px}h1{font-size:clamp(50px,12vw,70px)}.intro-copy{font-size:14px;margin:23px 0 25px;line-height:1.75}.flow{display:none}.workspace{padding:26px 22px;border-radius:15px}.workspace-head{margin-bottom:30px}h2{font-size:25px}.panel-state{font-size:11px;padding:6px 8px}.toolbar-note{display:none}.bottom-bar{height:54px;font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}