/* ======================================================================
   安知 · 登录 / 注册页（白昼指挥中心）  —— 左侧 60% 动态舞台 + 右侧毛玻璃卡片
   依赖 app.css 变量；动画逻辑见 js/pages/login_fx.js、login_form.js
   ====================================================================== */
html,body{height:100%}
.lg-page{background:#F3F6FA;overflow:hidden;--d5g:#0A6CFF;--dbc:#6A4FD8;--dllm:#F08C00;--diot:#12B886;--dgen:#A9B4C3}

/* ---------- 背景层：光晕 + 细网格（canvas 在其上，内容在最上） ---------- */
.lg-bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  background:radial-gradient(ellipse 70% 80% at 30% 45%,#FFFFFF 0,rgba(255,255,255,0) 70%),linear-gradient(180deg,#F6F9FC,#EEF3F9)}
.lg-bg .grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(10,108,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(10,108,255,.05) 1px,transparent 1px),
  linear-gradient(rgba(10,108,255,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(10,108,255,.075) 1px,transparent 1px);
  background-size:28px 28px,28px 28px,140px 140px,140px 140px;background-position:-1px -1px;
  -webkit-mask-image:radial-gradient(ellipse 60% 70% at 30% 48%,#000 20%,rgba(0,0,0,.25) 100%);
          mask-image:radial-gradient(ellipse 60% 70% at 30% 48%,#000 20%,rgba(0,0,0,.25) 100%)}
.lg-bg .glow{position:absolute;border-radius:50%;filter:blur(90px)}
.lg-bg .ga{width:46vw;height:46vw;left:6vw;top:8vh;background:radial-gradient(circle,#D6E6FF,rgba(214,230,255,0) 70%);opacity:.9;animation:lgDrift 24s ease-in-out infinite alternate}
.lg-bg .gb{width:34vw;height:34vw;right:-6vw;bottom:-10vw;background:#D2F3FA;opacity:.6;animation:lgDrift 30s ease-in-out infinite alternate-reverse}
.lg-bg .gc{width:26vw;height:26vw;right:22vw;top:-12vw;background:#E4E0FF;opacity:.45;animation:lgDrift 36s ease-in-out infinite alternate}
@keyframes lgDrift{to{transform:translate(4vw,3vh) scale(1.08)}}
.lg-fx{position:fixed;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}

/* ---------- 布局 ---------- */
.lg-wrap{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,60fr) minmax(0,40fr);height:100vh;min-height:600px}
.stage{position:relative;min-width:0;overflow:hidden;--cx:50%;--cy:48%;--R:110px}
.lg-side{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px clamp(24px,4vw,80px);
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.38) 40%,rgba(255,255,255,.55))}
.lg-side::before{content:'';position:absolute;left:0;top:8%;bottom:8%;width:1px;
  background:linear-gradient(180deg,transparent,rgba(10,108,255,.28) 30%,rgba(0,184,217,.28) 70%,transparent)}
.lg-side::after{content:'';position:absolute;left:-2px;top:0;width:5px;height:60px;border-radius:3px;
  background:linear-gradient(180deg,transparent,var(--cyan),transparent);opacity:.8;animation:lgRail 6s ease-in-out infinite}
@keyframes lgRail{0%{transform:translateY(8vh);opacity:0}15%{opacity:.8}85%{opacity:.8}100%{transform:translateY(86vh);opacity:0}}

/* HUD 角标（舞台与卡片共用） */
.hc{position:absolute;width:16px;height:16px;border:0 solid var(--hud);pointer-events:none;z-index:3}
.hc.ctl{left:0;top:0;border-left-width:1.5px;border-top-width:1.5px}
.hc.ctr{right:0;top:0;border-right-width:1.5px;border-top-width:1.5px}
.hc.cbl{left:0;bottom:0;border-left-width:1.5px;border-bottom-width:1.5px}
.hc.cbr{right:0;bottom:0;border-right-width:1.5px;border-bottom-width:1.5px}
.stage>.hc{width:22px;height:22px;border-color:rgba(10,108,255,.45);animation:lgHc .9s cubic-bezier(.2,.7,.2,1) both}
.stage>.hc.ctl{left:16px;top:16px}.stage>.hc.ctr{right:16px;top:16px}
.stage>.hc.cbl{left:16px;bottom:16px}.stage>.hc.cbr{right:16px;bottom:16px}
@keyframes lgHc{from{opacity:0;transform:scale(1.8)}to{opacity:1;transform:none}}

/* 雷达扫掠 + 扫描线（中心点由 JS 写入 --cx/--cy/--R） */
.st-sweep{position:absolute;left:var(--cx);top:var(--cy);width:calc(var(--R) * 6.4);height:calc(var(--R) * 6.4);
  margin:calc(var(--R) * -3.2) 0 0 calc(var(--R) * -3.2);border-radius:50%;pointer-events:none;
  background:conic-gradient(from 0deg,transparent 0deg,rgba(10,108,255,.10) 30deg,rgba(0,184,217,.04) 58deg,transparent 70deg,transparent 360deg);
  -webkit-mask-image:radial-gradient(circle,transparent 0,#000 12%,#000 42%,transparent 70%);
          mask-image:radial-gradient(circle,transparent 0,#000 12%,#000 42%,transparent 70%);
  animation:spin 11s linear infinite}
.st-scan{position:absolute;left:0;right:0;top:0;height:140px;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(10,108,255,.045) 80%,rgba(0,184,217,.35) 99.3%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 15%,#000 85%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 15%,#000 85%,transparent);
  animation:lgScan 8s linear infinite}
@keyframes lgScan{from{transform:translateY(-140px)}to{transform:translateY(100vh)}}

/* ---------- 顶栏：品牌 + 系统状态 ---------- */
.st-top{position:absolute;left:clamp(30px,3vw,52px);right:clamp(30px,3vw,52px);top:clamp(26px,3.6vh,40px);display:flex;align-items:center;justify-content:space-between;gap:16px;z-index:4;animation:lgFadeDown .8s .1s cubic-bezier(.2,.7,.2,1) both}
.st-brand{display:flex;align-items:center;gap:12px}
.st-brand .logo{width:44px;height:44px;flex:none;filter:drop-shadow(0 6px 14px rgba(10,108,255,.32))}
.st-brand b{display:block;font-size:22px;letter-spacing:.12em;line-height:1.15}
.st-brand small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--ink3);text-transform:uppercase;margin-top:3px}
.st-sys{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:14px;font-size:11px;letter-spacing:.12em;color:var(--ink2);
  background:rgba(255,255,255,.72);border:1px solid rgba(10,108,255,.14);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);white-space:nowrap}
.st-sys em{font-style:normal;color:var(--green);font-weight:600}
.st-sys .sep{width:1px;height:12px;background:var(--line)}
.st-sys time{color:var(--ink3);font-variant-numeric:tabular-nums}
.pls{position:relative;width:7px;height:7px;border-radius:50%;background:var(--green);flex:none}
.pls::after{content:'';position:absolute;inset:0;border-radius:50%;background:inherit;animation:ping 1.8s ease-out infinite}
@keyframes lgFadeDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
@keyframes lgFadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- 漂浮数据芯片（真实统计） ---------- */
.fchip{position:absolute;z-index:4;width:178px;padding:11px 13px 12px;border-radius:4px;
  border:1px solid rgba(10,108,255,.16);
  background:
   linear-gradient(var(--hud),var(--hud)) 0 0/9px 1.5px no-repeat,linear-gradient(var(--hud),var(--hud)) 0 0/1.5px 9px no-repeat,
   linear-gradient(var(--hud),var(--hud)) 100% 100%/9px 1.5px no-repeat,linear-gradient(var(--hud),var(--hud)) 100% 100%/1.5px 9px no-repeat,
   linear-gradient(160deg,rgba(255,255,255,.86),rgba(255,255,255,.62));
  backdrop-filter:blur(10px) saturate(1.4);-webkit-backdrop-filter:blur(10px) saturate(1.4);
  box-shadow:0 1px 2px rgba(16,40,80,.04),0 16px 36px -18px rgba(16,40,80,.28);
  animation:lgFadeUp .9s var(--d,0s) cubic-bezier(.2,.7,.2,1) both,lgFloat 7s calc(var(--d,0s) + 1s) ease-in-out infinite alternate}
.fchip::after{content:'';position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:linear-gradient(105deg,transparent 38%,rgba(10,108,255,.08) 50%,transparent 62%);background-size:250% 100%;background-position:120% 0;
  animation:lgSheen 8s calc(var(--d,0s) + 2s) ease-in-out infinite}
@keyframes lgFloat{from{translate:0 -4px}to{translate:0 5px}}
@keyframes lgSheen{0%,72%{background-position:120% 0}100%{background-position:-20% 0}}
.fchip.c1{left:clamp(30px,3vw,52px);top:13.5%}
.fchip.c2{right:clamp(30px,3vw,52px);top:15%;animation-direction:normal,alternate-reverse}
.fchip.c3{right:clamp(26px,2.6vw,48px);top:52%}
.fchip.c4{left:clamp(26px,2.6vw,48px);top:50%;animation-direction:normal,alternate-reverse}
.fk{display:flex;align-items:center;gap:6px;font-size:10px;letter-spacing:.16em;color:var(--ink3);white-space:nowrap}
.fk i{width:6px;height:6px;border-radius:1px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 0 6px rgba(0,184,217,.6)}
.fv{display:flex;align-items:baseline;gap:5px;margin-top:5px}
.fv b{font-family:var(--mono);font-size:28px;font-weight:600;letter-spacing:-.02em;line-height:1.05;font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,#0E1A2B 30%,var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.fv small{font-size:12px;color:var(--ink3)}
.fd{font-size:12.5px;color:var(--ink2);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fd .mono{color:var(--blue);font-weight:600}
.fbar{display:flex;gap:2px;height:4px;margin-top:9px;border-radius:2px;overflow:hidden;background:var(--line2)}
.fbar i{display:block;height:100%;min-width:3px;transform-origin:left;animation:lgGrow 1.2s calc(var(--d,0s) + .4s) cubic-bezier(.2,.7,.2,1) both}
.fbar .d-5g_nas{background:var(--d5g)}.fbar .d-blockchain{background:var(--dbc)}.fbar .d-llm_security{background:var(--dllm)}
.fbar .d-iot{background:var(--diot)}.fbar .d-general{background:var(--dgen)}
@keyframes lgGrow{from{transform:scaleX(0)}to{transform:none}}
.fdots{display:flex;gap:4px;margin-top:9px}
.fdots i{width:9px;height:4px;border-radius:1px;background:var(--blue);opacity:.25;animation:lgBlink 2.4s calc(var(--i) * .22s) ease-in-out infinite}
@keyframes lgBlink{0%,100%{opacity:.22}40%{opacity:1;box-shadow:0 0 6px rgba(10,108,255,.6)}}
.ftags{display:flex;gap:4px;margin-top:8px}
.ftags i{font-style:normal;font-size:10.5px;line-height:18px;padding:0 6px;border-radius:3px;color:#0089A3;background:#E6F8FC;border:1px solid #C5EEF7}

/* ---------- 文案 + 三阶段指示 ---------- */
.st-copy{position:absolute;left:clamp(30px,3vw,52px);right:calc(clamp(30px,3vw,52px) + clamp(240px,19vw,290px) + 28px);bottom:clamp(28px,4.4vh,48px);max-width:480px;z-index:4;animation:lgFadeUp .9s .25s cubic-bezier(.2,.7,.2,1) both}
.st-copy .eb{display:flex;align-items:center;gap:8px;font-size:10.5px;letter-spacing:.2em;color:var(--blue);white-space:nowrap}
.st-copy .eb span{width:18px;height:1.5px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.st-copy h1{font-size:clamp(28px,2.35vw,40px);font-weight:700;letter-spacing:.06em;line-height:1.22;margin:8px 0 8px;white-space:nowrap;
  background:linear-gradient(100deg,#0E1A2B 0,#0E1A2B 48%,var(--blue) 78%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.st-copy p{font-size:14px;line-height:1.75;color:var(--ink2)}
.st-phase{position:absolute;right:clamp(30px,3vw,52px);bottom:clamp(28px,4.4vh,48px);width:clamp(240px,19vw,290px);list-style:none;display:flex;flex-direction:column;gap:5px;z-index:4;animation:lgFadeUp .9s .4s cubic-bezier(.2,.7,.2,1) both}
.st-phase li{position:relative;display:flex;align-items:center;gap:9px;padding:6px 10px 9px;border-radius:4px;border:1px solid transparent;
  background:rgba(255,255,255,.45);transition:background .5s,border-color .5s,box-shadow .5s,opacity .5s;opacity:.6}
.st-phase li i{flex:none;font-style:normal;font-size:10.5px;line-height:18px;height:18px;padding:0 5px;border-radius:3px;color:var(--ink3);background:var(--line2);transition:.5s}
.st-phase li div{flex:1;min-width:0;display:flex;align-items:baseline;gap:8px}
.st-phase li b{flex:none;font-size:14px;font-weight:600;color:var(--ink2);transition:color .5s}
.st-phase li span{order:3;flex:none;margin-left:auto;font-size:9.5px;letter-spacing:.14em;color:var(--ink4)}
.st-phase li em{flex:1;min-width:0;font-style:normal;font-size:12px;color:var(--ink3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.st-phase li u{position:absolute;left:10px;right:10px;bottom:3px;height:2px;border-radius:1px;background:var(--line2);overflow:hidden}
.st-phase li u s{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.st-phase li.on{opacity:1;background:rgba(255,255,255,.86);border-color:rgba(10,108,255,.22);box-shadow:0 12px 26px -16px rgba(10,108,255,.45)}
.st-phase li.on i{color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan))}
.st-phase li.on b{color:var(--blue)}
.st-phase li.done u s{width:100%!important;opacity:.45}
.st-meta{position:absolute;right:clamp(34px,3vw,56px);top:calc(clamp(26px,3.6vh,40px) + 36px);font-size:10px;letter-spacing:.14em;color:var(--ink4);z-index:4;white-space:nowrap}
.st-meta b{font-weight:500;color:var(--ink3)}

/* ---------- 右侧毛玻璃登录卡 ---------- */
.card{position:relative;width:min(404px,100%);padding:28px 28px 22px;border-radius:8px;
  background:linear-gradient(160deg,rgba(255,255,255,.84),rgba(255,255,255,.6) 60%,rgba(240,247,255,.66));
  backdrop-filter:blur(22px) saturate(1.6);-webkit-backdrop-filter:blur(22px) saturate(1.6);
  border:1px solid rgba(255,255,255,.95);
  box-shadow:0 0 0 1px rgba(10,108,255,.12),inset 0 1px 0 #fff,0 2px 4px rgba(16,40,80,.04),0 40px 80px -36px rgba(16,40,80,.42),0 18px 40px -24px rgba(10,108,255,.3);
  animation:lgCardIn 1s .15s cubic-bezier(.2,.7,.2,1) both}
@keyframes lgCardIn{from{opacity:0;transform:translateY(18px) scale(.985);filter:blur(4px)}to{opacity:1;transform:none;filter:none}}
.card::before{content:'';position:absolute;left:28px;right:28px;top:-1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--blue) 25%,var(--cyan) 75%,transparent);box-shadow:0 0 12px rgba(10,108,255,.55)}
.card>.hc{width:14px;height:14px;border-color:var(--blue);animation:lgCorner 1s .5s cubic-bezier(.2,.7,.2,1) both}
.card>.hc.ctl{left:-7px;top:-7px;--fx:-8px;--fy:-8px}.card>.hc.ctr{right:-7px;top:-7px;--fx:8px;--fy:-8px}
.card>.hc.cbl{left:-7px;bottom:-7px;--fx:-8px;--fy:8px}.card>.hc.cbr{right:-7px;bottom:-7px;--fx:8px;--fy:8px}
@keyframes lgCorner{from{opacity:0;transform:translate(var(--fx),var(--fy))}to{opacity:1;transform:none}}
.card-scan{position:absolute;inset:0;border-radius:inherit;overflow:hidden;pointer-events:none}
.card-scan::after{content:'';position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(0,184,217,.65),transparent);box-shadow:0 0 14px rgba(0,184,217,.5);
  animation:lgCardScan 9s 1.2s ease-in-out infinite;opacity:0}
@keyframes lgCardScan{0%{transform:translateY(0);opacity:0}4%{opacity:1}22%{opacity:.8}26%{transform:translateY(560px);opacity:0}100%{transform:translateY(560px);opacity:0}}
.card-h{margin-bottom:18px}
.ceb{display:flex;align-items:center;gap:8px;font-size:10.5px;letter-spacing:.18em;color:var(--blue);font-weight:600}
.ceb em{font-style:normal;font-family:var(--sans);letter-spacing:.04em;color:var(--ink3);font-weight:400;font-size:12px;padding-left:8px;border-left:1px solid var(--line)}
.card h2{font-size:24px;font-weight:700;letter-spacing:.04em;margin:10px 0 4px;line-height:1.3}
.card .sub{font-size:13.5px;color:var(--ink3)}

/* 消息：错误抖动 / 成功淡入 */
.lg-msg{display:flex;align-items:center;gap:8px;padding:9px 12px;margin:-4px 0 14px;font-size:13.5px;border-radius:6px;
  animation:lgMsgIn .45s cubic-bezier(.2,.7,.2,1) both,lgShake .5s .35s both}
.lg-msg svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.lg-msg.ok{animation:lgMsgIn .45s cubic-bezier(.2,.7,.2,1) both}
@keyframes lgMsgIn{from{opacity:0;transform:translateY(-6px);max-height:0;padding-top:0;padding-bottom:0}to{opacity:1;transform:none;max-height:80px}}
@keyframes lgShake{0%,100%{translate:0}20%{translate:-6px}40%{translate:5px}60%{translate:-3px}80%{translate:2px}}
.card.has-err .inp[required]:not(:focus){border-color:#FFC9C9}

/* 输入框 */
.lg-form .fld{margin-bottom:14px}
.lg-form .lbl{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--sans);font-size:13px;letter-spacing:.04em;color:var(--ink2);font-weight:500;text-transform:none;margin-bottom:6px;transition:color .25s}
.lg-form .lbl span{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;color:var(--ink4);font-weight:400;transition:color .25s}
.lg-form .fld:focus-within .lbl{color:var(--blue)}
.lg-form .fld:focus-within .lbl span{color:var(--cyan)}
.fld2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ibox{position:relative}
.ibox .ico{position:absolute;left:13px;top:50%;width:18px;height:18px;margin-top:-9px;fill:none;stroke:var(--ink4);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:stroke .25s,transform .25s;pointer-events:none}
.lg-form .inp{height:44px;padding:0 40px 0 40px;font-size:14px;border-radius:6px;background:rgba(255,255,255,.72);border:1px solid #DCE4EE;transition:border-color .25s,box-shadow .25s,background .25s}
.lg-form .inp.np{padding-left:13px;padding-right:13px}
.lg-form .inp:hover{border-color:#C3D3E8}
.lg-form .inp:focus{background:#fff;border-color:var(--blue);box-shadow:0 0 0 4px rgba(10,108,255,.10),0 10px 22px -14px rgba(10,108,255,.55)}
.ibox:focus-within .ico{stroke:var(--blue);transform:scale(1.06)}
.ibar{position:absolute;left:8px;right:8px;bottom:-1px;height:2px;border-radius:2px;pointer-events:none;
  background:linear-gradient(90deg,var(--blue),var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.2,.7,.2,1);box-shadow:0 0 8px rgba(0,184,217,.6)}
.ibox:focus-within .ibar{transform:scaleX(1)}
.eye{position:absolute;right:6px;top:50%;width:32px;height:32px;margin-top:-16px;border-radius:6px;display:grid;place-items:center;color:var(--ink4);transition:color .2s,background .2s}
.eye:hover{color:var(--blue);background:var(--blue-50)}
.eye svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.eye.on{color:var(--blue)}
.eye.on::after{content:'';position:absolute;left:8px;right:8px;top:50%;height:1.6px;background:currentColor;transform:rotate(-40deg);border-radius:1px}
.lg-form .inp.bad{border-color:var(--red);box-shadow:0 0 0 4px rgba(240,62,62,.1);animation:lgShake .45s both}

/* 主按钮：光泽扫过 + 登录中状态 */
.lg-btn{position:relative;overflow:hidden;width:100%;height:46px;margin-top:6px;justify-content:center;gap:10px;font-size:15px;font-weight:600;letter-spacing:.32em;border-radius:6px;
  background:linear-gradient(120deg,#0A6CFF 0%,#2A84FF 55%,#08A9D8 100%);background-size:160% 100%;background-position:0 0;
  box-shadow:0 14px 26px -12px rgba(10,108,255,.7),inset 0 1px 0 rgba(255,255,255,.25);transition:transform .2s,box-shadow .25s,background-position .5s}
.lg-btn .bt{padding-left:.32em}
.lg-btn .ar{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s}
.lg-btn:hover{transform:translateY(-1px);background-position:100% 0;box-shadow:0 18px 30px -12px rgba(10,108,255,.75),inset 0 1px 0 rgba(255,255,255,.3)}
.lg-btn:hover .ar{transform:translateX(4px)}
.lg-btn:active{transform:translateY(0) scale(.99)}
.lg-btn:focus-visible{outline:0;box-shadow:0 0 0 4px rgba(10,108,255,.22),0 14px 26px -12px rgba(10,108,255,.7)}
.lg-btn .sh{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.5) 48%,rgba(255,255,255,.1) 56%,transparent 66%);
  transform:translateX(-120%);animation:lgBtnSheen 5s 1.6s ease-in-out infinite}
.lg-btn:hover .sh{animation:lgBtnSheen .9s ease-out}
@keyframes lgBtnSheen{0%{transform:translateX(-120%)}30%,100%{transform:translateX(120%)}}
.lg-btn.is-busy{pointer-events:none;letter-spacing:.12em;
  background-image:repeating-linear-gradient(120deg,rgba(255,255,255,.12) 0 12px,transparent 12px 24px),linear-gradient(120deg,#0A6CFF,#2A84FF 55%,#08A9D8);
  background-size:28px 100%,100% 100%;animation:lgStripe .7s linear infinite}
.lg-btn.is-busy .ar{display:none}
.lg-btn.is-busy::before{content:'';width:15px;height:15px;border:2px solid rgba(255,255,255,.9);border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
.lg-btn.is-busy .bt::after{content:'';display:inline-block;width:1.2em;text-align:left;animation:lgDots 1.2s steps(4) infinite}
@keyframes lgStripe{to{background-position:28px 0,0 0}}
@keyframes lgDots{0%{content:''}25%{content:'.'}50%{content:'..'}75%{content:'...'}}
.btn.busy::after{display:none}

/* 演示账号 */
.lg-demo{margin-top:18px;padding-top:14px;border-top:1px dashed #D8E1EC}
.lg-demo .lbl{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:8px;font-size:10.5px}
.lg-demo .lbl span{font-family:var(--sans);letter-spacing:.02em;text-transform:none;color:var(--ink4);font-size:12px}
.dm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.dm{position:relative;display:flex;align-items:center;gap:8px;height:50px;padding:0 9px;border:1px solid #DCE4EE;border-radius:6px;background:rgba(255,255,255,.7);text-align:left;overflow:hidden;
  transition:border-color .2s,transform .2s,box-shadow .25s,background .2s}
.dm:hover{border-color:var(--blue);background:#fff;transform:translateY(-2px);box-shadow:0 12px 22px -14px rgba(10,108,255,.55)}
.dm:focus-visible{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(10,108,255,.18)}
.dm .av{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:13px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,#3A8BFF,#00B8D9);box-shadow:0 4px 10px -4px rgba(10,108,255,.6)}
.dm .av.t{background:linear-gradient(135deg,#0A6CFF,#6A4FD8)}
.dm .av.c{background:linear-gradient(135deg,#12B886,#00B8D9)}
.dm span{min-width:0;line-height:1.25}
.dm b{display:block;font-size:13.5px;font-weight:600;color:var(--ink);white-space:nowrap}
.dm em{display:block;font-style:normal;font-size:11.5px;color:var(--ink3)}
.dm::after{content:'';position:absolute;right:7px;top:7px;width:5px;height:5px;border-radius:50%;background:var(--green);opacity:.7}
.dm.is-busy{border-color:var(--blue);pointer-events:none}
.dm.is-busy::after{width:12px;height:12px;top:50%;margin-top:-6px;background:none;border:2px solid var(--blue);border-right-color:transparent;animation:spin .7s linear infinite;opacity:1}
.card-ft{text-align:center;margin-top:14px;font-size:13.5px}
.card-ft a{position:relative;color:var(--blue);padding-bottom:2px}
.card-ft a::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transition:transform .3s;transform-origin:right}
.card-ft a:hover::after{transform:scaleX(1);transform-origin:left}
.side-ft{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:18px;font-size:10.5px;letter-spacing:.12em;color:var(--ink4);animation:lgFadeUp .9s .5s both}
.side-ft span+span::before{content:'·';margin-right:14px;color:var(--line)}

/* ---------- 适配 ---------- */
.is-reg .card{padding-top:24px;padding-bottom:20px}
.is-reg .card-h{margin-bottom:14px}
.is-reg .lg-form .fld{margin-bottom:12px}
.is-reg .lg-form .inp{height:42px}
@media (min-width:1700px) and (min-height:900px){
  .card{width:440px;padding:34px 34px 26px}
  .card h2{font-size:26px}
  .lg-form .inp{height:48px}
  .lg-btn{height:50px}
  .fchip{width:196px;padding:13px 15px 14px}
  .fv b{font-size:32px}
}
@media (max-height:760px) and (min-width:961px){
  .card{padding:22px 24px 18px}
  .card-h{margin-bottom:14px}
  .card h2{font-size:22px;margin-top:8px}
  .lg-form .fld{margin-bottom:11px}
  .lg-form .inp{height:42px}
  .lg-btn{height:44px}
  .lg-demo{margin-top:14px;padding-top:12px}
  .card-ft{margin-top:11px}
  .side-ft{margin-top:12px}
  .is-reg .lg-form .inp{height:40px}
  .is-reg .lg-form .fld{margin-bottom:10px}
}
@media (max-width:1500px){.st-phase li span{display:none}}
@media (max-width:1180px){.fchip{width:160px}.fchip .fv b{font-size:24px}.st-phase li span{display:none}}
@media (max-width:960px){
  .lg-page{overflow:auto}
  .lg-wrap{grid-template-columns:1fr;height:auto;min-height:100vh}
  .stage{height:340px}
  .lg-fx{position:absolute;height:340px}
  .fchip,.st-phase,.st-meta,.st-copy{display:none}
  .lg-side{padding:24px 16px 36px;background:none}
  .lg-side::before,.lg-side::after{display:none}
}
@media (max-height:599px) and (min-width:961px){.lg-page{overflow:auto}}
@media (prefers-reduced-motion:reduce){
  .lg-page *,.lg-page *::before,.lg-page *::after{animation:none!important;transition-duration:.01ms!important}
  .st-sweep,.st-scan,.card-scan,.lg-side::after{display:none}
}