:root{
  --canvas:#fbfaf6;--canvas-deep:#f2eee3;--surface:#fff;--surface-soft:#fdfcf8;
  --ink:#22231f;--ink-2:#5d5b53;--ink-3:#747168;--line:#e9e6dd;--line-strong:#d9d4c8;
  --yellow:#f8c84b;--yellow-strong:#e9ac1e;--yellow-soft:#fff1bd;--green:#384039;
  --ease:cubic-bezier(.22,.72,.26,1)
}
*{box-sizing:border-box}
html,body{min-width:1180px;min-height:100%;margin:0}
body{background:var(--canvas);color:var(--ink);font-family:Inter,system-ui,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
button,input{font:inherit}button{color:inherit;cursor:pointer}.symbol-library{position:absolute;width:0;height:0;overflow:hidden}
.auth-shell{position:relative;min-height:100vh;display:grid;grid-template-rows:78px minmax(710px,1fr) 58px;overflow:hidden}
.auth-shell::before{content:"";position:absolute;z-index:-2;inset:0;background:radial-gradient(circle at 14% 14%,rgba(248,200,75,.10),transparent 26%),linear-gradient(120deg,#fbfaf6 0 52%,#f4f0e6 52% 100%)}
.auth-shell::after{content:"";position:absolute;z-index:-1;right:-210px;top:45px;width:630px;height:630px;border:1px solid rgba(143,128,88,.11);border-radius:50%;box-shadow:0 0 0 78px rgba(255,255,255,.15),0 0 0 156px rgba(255,255,255,.10)}
.auth-header{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 54px;border-bottom:1px solid rgba(217,212,200,.72);background:rgba(251,250,246,.84);backdrop-filter:blur(15px)}
.brand-lockup{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}.brand-mark{width:39px;height:39px;display:grid;place-items:center;border:1px solid #8d752f;border-radius:12px;background:#2d312d;color:#ffd76a;font-family:"Songti SC",STSong,serif;font-size:17px;font-weight:800;box-shadow:0 8px 20px rgba(45,49,45,.12)}
.brand-lockup strong,.brand-lockup small{display:block}.brand-lockup strong{font-size:14px;letter-spacing:.08em}.brand-lockup small{margin-top:3px;color:#9a7620;font-size:7px;font-weight:850;letter-spacing:.19em}
.security-caption{display:flex;align-items:center;gap:7px;color:var(--ink-3);font-size:11px}.security-caption svg{width:16px;height:16px;color:#587060;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.auth-main{width:min(1220px,calc(100vw - 120px));margin:0 auto;display:grid;grid-template-columns:minmax(0,1.05fr) 468px;align-items:center;gap:106px;padding:52px 0 58px}
.entry-context{max-width:535px;padding-left:18px}.context-eyebrow{display:flex;align-items:center;gap:10px;color:#8a6712;font-size:10px;font-weight:850;letter-spacing:.19em}.context-eyebrow span{width:24px;height:2px;border-radius:99px;background:var(--yellow-strong)}
.entry-context h1{margin:24px 0 17px;font-size:46px;line-height:1.14;letter-spacing:-.048em}.entry-context>p{max-width:455px;margin:0;color:var(--ink-2);font-size:14px;line-height:1.8}
.team-ribbon{display:flex;gap:10px;margin-top:42px}.member{position:relative;width:76px;display:grid;justify-items:center;gap:7px}.member span{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:#f0eee7;color:#5c5d57;font-size:13px;font-weight:850;box-shadow:inset 0 0 0 1px rgba(69,66,56,.055);transition:.5s var(--ease)}.member b{color:var(--ink-3);font-size:8px;white-space:nowrap}.member:hover span{transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(69,66,56,.08),0 9px 22px rgba(52,50,43,.08)}
.member-lead span{background:#363c36;color:#fff3be}.member-growth span{background:#ffdf79;color:#5f490e}.member-user span{background:#dce9df;color:#315a45}.member-deal span{background:#eedbd3;color:#70483e}.member-knowledge span{background:#dfe7ee;color:#435c70}
.continuity-note{max-width:495px;display:grid;grid-template-columns:35px minmax(0,1fr);align-items:center;gap:12px;margin-top:44px;padding-top:21px;border-top:1px solid #ddd8cc}.continuity-note>svg{width:35px;height:35px;padding:8px;border-radius:11px;background:#edf4ef;color:#53705f;fill:none;stroke:currentColor;stroke-width:1.55;stroke-linecap:round;stroke-linejoin:round}.continuity-note strong,.continuity-note span{display:block}.continuity-note strong{font-size:10px}.continuity-note span{margin-top:4px;color:var(--ink-3);font-size:9px;line-height:1.6}
.auth-card{position:relative;padding:34px 38px 30px;border:1px solid #ded9cd;border-radius:24px;background:rgba(255,255,255,.96);box-shadow:0 22px 65px rgba(58,53,41,.09),0 2px 4px rgba(58,53,41,.03)}
.auth-card::before{content:"";position:absolute;left:38px;top:0;width:46px;height:3px;border-radius:0 0 3px 3px;background:var(--yellow-strong)}
.step-label{display:inline-flex;align-items:center;min-height:23px;padding:0 8px;border-radius:7px;background:#fff4cf;color:#785a0e;font-size:8px;font-weight:850;letter-spacing:.08em}.auth-card-head h2{margin:13px 0 0;font-size:27px;line-height:1.2;letter-spacing:-.035em}.auth-card-head p{margin:8px 0 0;color:var(--ink-3);font-size:11px}
.state-banner{grid-template-columns:30px minmax(0,1fr);align-items:start;gap:10px;margin-top:18px;padding:11px 12px;border:1px solid #ead5c9;border-radius:12px;background:#fdf7f3;color:#8b523f}.state-banner:not([hidden]){display:grid;animation:reveal .5s var(--ease)}.state-banner>svg{width:30px;height:30px;padding:7px;border-radius:9px;background:#f3e6df;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.state-banner strong,.state-banner span{display:block}.state-banner strong{font-size:9px}.state-banner span{margin-top:4px;color:#916b5d;font-size:8px;line-height:1.45}
.state-banner.is-info{border-color:#dfdfd4;background:#f7f7f2;color:#59645d}.state-banner.is-info>svg{background:#eaeee9}.state-banner.is-invite{border-color:#eadca8;background:#fffaf0;color:#79601a}.state-banner.is-invite>svg{background:#fff0bd}
.auth-form{display:grid;gap:16px;margin-top:24px}.field{display:grid;gap:7px}.field[hidden]{display:none}.field>span:first-child{font-size:10px;font-weight:780}.input-shell{height:48px;display:grid;grid-template-columns:20px minmax(0,1fr);align-items:center;gap:8px;padding:0 14px;border:1px solid #dcd7cc;border-radius:12px;background:#fff;transition:.5s var(--ease)}.input-shell:focus-within{border-color:#c7a94f;box-shadow:0 0 0 3px rgba(248,200,75,.12),0 7px 18px rgba(53,50,42,.04)}.input-shell>svg{width:17px;height:17px;color:#8a877e;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.input-shell input{width:100%;height:44px;padding:0;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}.input-shell input::placeholder{color:#aaa69d}.code-shell{grid-template-columns:20px minmax(0,1fr) auto}.code-action{height:30px;padding:0 0 0 12px;border:0;border-left:1px solid #ece8df;background:transparent;color:#785b13;font-size:9px;font-weight:800;transition:.5s var(--ease)}.code-action:hover{color:#3c382d}.code-action:disabled{cursor:default;color:#aaa69d}.field-error{color:#a75c45;font-size:8px;font-style:normal}.field.has-error .input-shell{border-color:#ca826a;box-shadow:0 0 0 3px rgba(187,94,65,.08)}
.primary-action{height:48px;display:flex;align-items:center;justify-content:center;gap:10px;margin-top:2px;border:1px solid #2d463b;border-radius:12px;background:#354c42;color:#fff9df;font-size:11px;font-weight:820;box-shadow:0 8px 19px rgba(44,70,59,.14);transition:.5s var(--ease)}.primary-action:hover{background:#2a4137;transform:translateY(-1px);box-shadow:0 12px 25px rgba(44,70,59,.18)}.primary-action:focus-visible,.mode-switch:focus-visible,.wechat-action:focus-visible,.code-action:focus-visible{outline:3px solid rgba(248,200,75,.34);outline-offset:2px}.submit-arrow{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:.5s var(--ease)}.primary-action:hover .submit-arrow{transform:translateX(3px)}.button-spinner{display:none;width:15px;height:15px;border:2px solid rgba(255,249,223,.28);border-top-color:#fff9df;border-radius:50%;animation:spin .8s linear infinite}.primary-action.is-loading{pointer-events:none}.primary-action.is-loading .submit-arrow{display:none}.primary-action.is-loading .button-spinner{display:block}
.mode-switch{width:100%;min-height:47px;display:flex;align-items:center;justify-content:center;gap:6px;margin-top:18px;border:1px solid #e4dfd5;border-radius:12px;background:#fdfcf8;color:var(--ink-2);font-size:9px;transition:.5s var(--ease)}.mode-switch strong{color:#765a14}.mode-switch svg{width:13px;height:13px;fill:none;stroke:#8f732c;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:.5s var(--ease)}.mode-switch:hover{border-color:#d1bd7b;background:#fffdf6}.mode-switch:hover svg{transform:translateX(2px)}
.auth-divider{position:relative;height:30px;display:grid;place-items:center;margin-top:13px}.auth-divider::before{content:"";position:absolute;left:0;right:0;height:1px;background:#ece8df}.auth-divider span{position:relative;padding:0 10px;background:#fff;color:#a09c93;font-size:8px}
.wechat-action{width:100%;height:44px;display:grid;grid-template-columns:20px minmax(0,1fr) auto;align-items:center;gap:8px;padding:0 13px;border:1px solid #e0ddd5;border-radius:11px;background:#f7f7f3;color:#777a74;text-align:left;transition:.5s var(--ease)}.wechat-action>svg{width:17px;height:17px;color:#8a9b91;fill:none;stroke:currentColor;stroke-width:1.55;stroke-linecap:round;stroke-linejoin:round}.wechat-action>span{font-size:10px;font-weight:740}.wechat-action em{padding:4px 6px;border-radius:6px;background:#e9ece8;color:#6f7b74;font-size:7px;font-style:normal;font-weight:800}.wechat-action:hover{border-color:#d5d3cc;background:#f4f4f0}.wechat-note{display:flex;align-items:center;gap:5px;margin:8px 0 0;color:#8c8980;font-size:8px;line-height:1.45}.wechat-note svg{width:12px;height:12px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.auth-footer{height:58px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 54px;border-top:1px solid rgba(217,212,200,.65);color:#98948a;font-size:8px}.auth-footer>div{display:flex;align-items:center;gap:10px}.auth-footer>div button{padding:0;border:0;background:transparent;color:#77746c;font-size:8px}.auth-footer i{width:2px;height:2px;border-radius:50%;background:#aaa69c}.auth-footer>span:last-child{text-align:right}
.prototype-toast{position:fixed;left:50%;bottom:76px;z-index:20;display:flex;align-items:center;gap:8px;max-width:420px;padding:11px 14px;border-radius:11px;background:#363b36;color:#fff9e1;box-shadow:0 14px 38px rgba(38,40,36,.22);font-size:9px;transform:translateX(-50%);animation:toastIn .5s var(--ease)}.prototype-toast[hidden]{display:none}.prototype-toast svg{width:15px;height:15px;fill:none;stroke:#f4cf64;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.auth-card.is-changing{animation:cardChange .5s var(--ease)}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes reveal{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}@keyframes cardChange{0%{opacity:.72;transform:translateY(4px)}100%{opacity:1;transform:none}}
@media(max-width:1260px){.auth-main{width:calc(100vw - 72px);grid-template-columns:minmax(0,1fr) 440px;gap:58px}.entry-context{padding-left:0}.auth-header,.auth-footer{padding-inline:36px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Account login shares the approved studio palette and spacing. */
.password-visibility{display:grid;place-items:center;width:30px;height:32px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--ink-3)}
.password-visibility svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.password-visibility:hover{background:var(--surface-soft);color:var(--ink)}
.account-help{margin:22px 0 0;padding-top:18px;border-top:1px solid var(--line);color:var(--ink-3);font-size:11px;line-height:1.8}
.footer-shield{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.6}
.noscript-note{position:fixed;bottom:14px;width:100%;text-align:center;color:#8b523f}
@media(max-width:900px){html,body{min-width:320px}.auth-shell{grid-template-rows:72px 1fr auto}.auth-header{height:72px;padding-inline:24px}.auth-main{width:min(560px,calc(100vw - 40px));grid-template-columns:1fr;gap:32px;padding:36px 0}.entry-context h1{font-size:34px;margin-top:16px}.entry-context>p{font-size:13px}.team-ribbon{margin-top:22px;gap:4px;justify-content:space-between}.member{width:62px}.continuity-note{display:none}.auth-card{padding:28px}.auth-footer{padding:20px;gap:10px;grid-template-columns:1fr;justify-items:center;height:auto}.auth-footer>span:last-child{text-align:center}.security-caption{font-size:10px}.auth-card-head p,.field>span:first-child,.primary-action{font-size:13px}.input-shell input{font-size:16px}.state-banner strong{font-size:12px}.state-banner span,.field-error{font-size:11px}}
