:root{--bg:#FFFFFF;--paper:#FFFFFF;--ink:#111111;--ink-2:#3D3D3D;--ink-3:#696969;--ink-4:#8A8A8A;--ink-5:#A6A6A6;--line:#E7E7E7;--line-2:#DDDDDD;--line-strong:#D2D2D2;--line-soft:#F0F0F0;--blue:#1677FF;--blue-deep:#0A64E8;--blue-soft:#F0F5FF;--blue-line:#D6E3FB;--warm:#8A8A8A;--warm-soft:#F4F4F4;--shadow:30px 60px 90px -40px rgba(0,0,0,.16);--side:#FAFAFA;--card:#FFFFFF;--table:#FAFAFA;--table-head:#F4F4F4;--radius:14px}*{box-sizing:border-box;margin:0;padding:0}html{overflow-x:hidden}body{background:var(--bg);color:var(--ink);font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}a{color:inherit;text-decoration:none}::selection{background:#dce8ff}.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}.dialog :focus-visible,.q:focus-visible{outline-offset:3px}.nav{height:76px;padding:0 80px;flex:0 0 auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-bottom:1px solid var(--line);background:#ffffffe0;-webkit-backdrop-filter:saturate(1.2) blur(8px);backdrop-filter:saturate(1.2) blur(8px);position:relative;z-index:5}.brand{display:flex;align-items:center;gap:10px;justify-self:start;padding:4px;margin-left:-4px;border-radius:8px}.brand:focus-visible{outline-offset:2px}.brand-mark{width:26px;height:26px;border-radius:7px;display:block;flex:0 0 26px}.brand-name{font-size:15px;font-weight:600;letter-spacing:.2px}.nav-links{display:flex;gap:34px;justify-self:center}.nav-links a{font-size:14px;color:var(--ink-3);transition:color .16s ease}.nav-links a:hover{color:var(--ink)}.nav-links a.is-current{color:var(--ink);font-weight:600}.nav-right{justify-self:end}.btn-login{height:38px;padding:0 22px;border-radius:10px;background:var(--blue);color:#fff;font-size:14px;font-weight:500;display:inline-flex;align-items:center;transition:background .16s ease,transform .12s ease}.btn-login:hover{background:var(--blue-deep)}.btn-login:active{transform:scale(.985)}.btn-login.is-account{background:#fff;color:var(--ink);border:1px solid var(--line-2)}.btn-login.is-account:hover{background:var(--paper);border-color:var(--line-strong)}.simple-top{height:76px;padding:0 80px;display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:5}.simple-top .brand{justify-self:auto}.simple-top .top-title{font-size:14px;color:var(--ink-3);padding-left:20px;border-left:1px solid var(--line)}.simple-top .back-home{margin-left:auto;font-size:13.5px;color:var(--ink-3)}.simple-top .back-home:hover{color:var(--blue)}.footer{position:relative;z-index:1;margin-top:auto;padding-top:80px}.footer .hr{height:1px;background:var(--line);margin:0 80px}.footer-row{max-width:1440px;margin:0 auto;padding:24px 80px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:12.5px;color:var(--ink-4);flex-wrap:wrap}.footer-brand{display:flex;align-items:center;gap:10px}.footer-brand svg{width:18px;height:18px;border-radius:5px;display:block;opacity:.85}.footer-links{display:flex;gap:24px;flex-wrap:wrap}.footer-links button,.footer-links a{font-size:12.5px;color:var(--ink-4);transition:color .16s ease}.footer-links button:hover,.footer-links a:hover{color:var(--ink-2)}.footer-links [aria-disabled=true]{color:var(--ink-5);cursor:not-allowed;text-decoration:none}.footer-links [aria-disabled=true]:hover{color:var(--ink-5)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:none;place-items:center;padding:24px}.modal.is-open{display:grid}.mask{position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffff9e;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);animation:fade .24s ease both}@keyframes fade{0%{opacity:0}to{opacity:1}}.dialog:focus{outline:none}.dialog{position:relative;width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 38px;box-shadow:0 30px 80px #0000001f;animation:pop .28s cubic-bezier(.22,.61,.36,1) both}@keyframes pop{0%{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}.dialog-close{position:absolute;top:20px;right:20px;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:var(--ink-5);transition:background .16s ease,color .16s ease}.dialog-close:hover{background:#f4f4f4;color:var(--ink)}.dialog h3{font-size:20px;font-weight:600}.dialog .lead{font-size:13px;color:var(--ink-3);margin-top:10px;line-height:1.7}.dialog .hr{height:1px;background:var(--line);margin:24px 0 16px}.dialog .terms{font-size:12px;color:var(--ink-4);line-height:1.7}.dialog .terms a{color:var(--ink-3);border-bottom:1px solid var(--line-2)}.dialog-actions{display:flex;gap:10px;margin-top:24px}.btn{height:42px;border-radius:10px;font-size:13.5px;font-weight:500;flex:1;display:inline-flex;align-items:center;justify-content:center;transition:background .16s ease,border-color .16s ease}.btn-line{border:1px solid var(--line-2);color:var(--ink-2);background:#fff}.btn-line:hover{background:var(--paper);border-color:var(--line-strong)}.btn-solid{background:var(--blue);color:#fff}.btn-solid:hover{background:var(--blue-deep)}.btn:disabled,.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed}.login-form{margin-top:22px;display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:7px}.field-label{font-size:12.5px;color:var(--ink-3)}.input{height:42px;padding:0 13px;border:1px solid var(--line-2);border-radius:10px;font-size:14px;color:var(--ink);background:#fff;width:100%}.input::placeholder{color:var(--ink-5)}.input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}.input:disabled{background:var(--side);color:var(--ink-4);cursor:not-allowed}.btn-code:disabled{color:var(--ink-5);cursor:not-allowed}[hidden]{display:none!important}.code-line{display:flex;gap:10px}.code-line .input{flex:1 1 auto;min-width:0}.code-line .btn-code{flex:0 0 auto;height:42px;padding:0 14px;border:1px solid var(--line-2);border-radius:10px;font-size:13px;color:var(--ink-2);white-space:nowrap}.code-line .btn-code:hover{border-color:var(--line-strong);background:var(--warm-soft)}.form-note{font-size:12px;color:var(--ink-4);line-height:1.7}.dev-note{margin-top:16px;padding:10px 12px;border-radius:9px;background:var(--blue-soft);color:#2c6399;font-size:12px;line-height:1.65}.btn-block{width:100%;margin-top:4px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,14px);background:#111111eb;color:#fff;font-size:13px;padding:10px 18px;border-radius:10px;z-index:90;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease}.toast.show{opacity:1;transform:translate(-50%)}@media(max-width:1100px){.nav,.simple-top{padding:0 32px}.footer .hr{margin:0 32px}.footer-row{padding:22px 32px 36px}}@media(max-width:760px){.nav{padding:0 20px;grid-template-columns:auto 1fr auto;gap:12px;height:68px}.nav-links{gap:18px;justify-self:start;margin-left:6px}.nav-links a{font-size:13px}.brand-name{font-size:14px}.btn-login{height:34px;padding:0 16px;font-size:13px}.simple-top{padding:0 20px;height:64px;gap:12px}.simple-top .brand-name{display:none}.simple-top .top-title{padding-left:12px;font-size:13px}.simple-top .back-home{font-size:12.5px}.footer .hr{margin:0 20px}.footer-row{padding:20px 20px 32px;font-size:12px}.footer-links{gap:18px}.dialog{padding:28px 22px;border-radius:16px}.dialog h3{font-size:18px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}