@font-face{font-family:StudySong;src:url("/fonts/StudySong-regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
:root{color-scheme:light;--paper:#faf9f5;--ink:#292822;--muted:#73726c;--line:#d9d7d0;--surface:#fff;--accent:#b96549;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100svh;display:flex;flex-direction:column}a{color:inherit}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.brand{display:flex;align-items:center;justify-content:center;gap:10px;margin:46px auto 0;text-decoration:none;width:fit-content}.brand img{border-radius:7px}.brand span{font:600 25px/1.3 Georgia,"Songti SC",SimSun,serif;letter-spacing:-.6px}.auth-main{width:100%;max-width:400px;margin:auto;padding:55px 20px 38px}.intro{text-align:center;margin-bottom:30px}.intro h1{margin:0 0 14px;font:400 46px/1.25 Georgia,StudySong,"Songti SC","Noto Serif CJK SC",SimSun,serif;letter-spacing:-1.5px}.intro p{margin:0;font-size:15px;color:var(--muted);line-height:1.7}.auth-panel{padding:0 4px}label{display:block;font-size:14px;font-weight:500;margin:0 0 9px}input:not([type=checkbox]){display:block;width:100%;height:49px;padding:0 14px;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:var(--surface);font-size:15px;transition:border-color .15s,box-shadow .15s}input:not([type=checkbox]):focus{outline:none;border-color:#8c8980;box-shadow:0 0 0 2px #2928220c}input::placeholder{color:#99968d}form>input,form>div:not(.label-row):not(.password-wrap){margin-bottom:20px}.label-row{display:flex;align-items:baseline;justify-content:space-between;margin-top:20px}.label-row .text-button{font-size:12px}.password-wrap{position:relative;margin-bottom:8px}.password-wrap input{padding-right:48px!important}.show-password{position:absolute;top:0;right:0;height:49px;width:46px;border:0;background:transparent;color:var(--muted);display:grid;place-items:center;border-radius:8px}.show-password:hover{color:var(--ink)}.primary,.secondary{display:block;width:100%;min-height:48px;padding:12px 16px;border:1px solid transparent;border-radius:9px;font-size:15px;font-weight:500;text-align:center;line-height:1.5;text-decoration:none;transition:background .15s}.primary{background:#292822;color:#fff;margin-top:24px}.primary:hover{background:#45433c}.secondary{background:transparent;border-color:var(--line);color:var(--ink);margin-top:12px}.secondary:hover{background:#eeede6}.switch-line{text-align:center;font-size:13px;color:var(--muted);margin:22px 0 0}.text-button{padding:3px 0;border:0;background:transparent;color:var(--ink);font-size:13px;text-decoration:underline;text-underline-offset:3px}.hint{font-size:12px;line-height:1.6;color:var(--muted);margin:7px 0 18px}.auth-note{margin:30px 0 0;text-align:center;color:var(--muted);font-size:12px;line-height:1.8}.back-link{display:block;text-align:center;color:var(--muted);font-size:12px;margin-top:13px;text-decoration:none}.back-link:hover{text-decoration:underline}footer{padding:0 20px 22px;text-align:center;color:#8b887e;font-size:11px}.error{padding:11px 12px;background:#f7ebe6;border:1px solid #e6cfc2;border-radius:7px;color:#88442e;font-size:13px;line-height:1.6;margin:18px 0 0}.quiet{font-size:14px;line-height:1.8;color:var(--muted)}h2{font:500 21px/1.4 Georgia,"Songti SC",serif;margin:0 0 12px}.recovery-code{display:block;word-break:break-all;padding:16px;margin:20px 0;border:1px solid var(--line);border-radius:8px;background:#fff;font:14px/1.8 ui-monospace,monospace;user-select:all}.check-row{display:flex;gap:9px;align-items:flex-start;margin:24px 0 12px;line-height:1.7;font-weight:400}.check-row input{margin-top:5px;accent-color:var(--ink)}.disabled{opacity:.4;pointer-events:none}.divider{border-top:1px solid var(--line);margin:26px 0}.account-detail{display:grid;grid-template-columns:80px 1fr;gap:12px;font-size:14px;line-height:1.7;margin:0}.account-detail dt{color:var(--muted)}.account-detail dd{margin:0;overflow-wrap:anywhere}.account-message{margin:18px 0;color:var(--muted);font-size:13px;line-height:1.8}.account-message:empty{display:none}.link-box{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.link-box p{font-size:13px;line-height:1.8;color:var(--muted)}@media(max-width:480px){.brand{margin-top:32px}.brand span{font-size:23px}.auth-main{padding:42px 26px 32px;max-width:404px}.intro h1{font-size:40px}.intro{margin-bottom:28px}footer{padding-bottom:18px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Login: one quiet sheet, compact proportions and no secondary page chrome. */
.login-page{background:#f7f6f2;color:#302f2a;align-items:center}
.login-page .auth-main{width:100%;max-width:408px;margin:auto;padding:42px 24px}
.login-page .brand{margin:0 auto 28px;gap:9px;opacity:.94}
.login-page .brand img{width:28px;height:28px;border-radius:7px}
.login-page .brand span{font:600 20px/1.4 Georgia,"Songti SC",SimSun,serif;letter-spacing:-.3px}
.login-page .intro{margin:0 0 25px;text-align:center}
.login-page .intro h1{margin:0;font:400 34px/1.3 StudySong,"Songti SC","Noto Serif CJK SC",Georgia,serif;letter-spacing:-1px}
.login-page .intro p{margin:10px 0 0;font-size:13px;line-height:1.7;color:#8b8175;letter-spacing:.5px}
.login-page .auth-panel{padding:25px 25px 22px;background:#fff;border:1px solid #e8e5de;border-radius:14px;box-shadow:0 2px 8px #27251e04,0 12px 30px #27251e03}
.login-page label{color:#57564f;font-size:12px;font-weight:500;margin-bottom:8px}
.login-page input:not([type=checkbox]){height:46px;border-radius:8px;border-color:#dedbd3;background:#fdfdfb;font-size:14px;padding:0 13px}
.login-page input:not([type=checkbox]):focus{border-color:#b69783;box-shadow:0 0 0 3px #b6978315}
.login-page input::placeholder{color:#aaa69d}
.login-page .label-row{margin-top:18px}
.login-page .label-row .text-button{color:#8c8174;font-size:11px;text-decoration:none}
.login-page .label-row .text-button:hover{text-decoration:underline}
.login-page .show-password{height:46px;width:42px;color:#a6a196}
.login-page .primary{min-height:45px;margin-top:22px;padding:11px 14px;border-radius:8px;background:#34332e;font-size:14px;font-weight:500;box-shadow:0 1px 2px #00000012}
.login-page .primary:hover{background:#4a4840}
.login-page .switch-line{margin-top:19px;line-height:1.4}
.login-page .switch-line .text-button{color:#8c6854;text-decoration:none;font-size:12px;padding:3px 8px}
.login-page .switch-line .text-button:hover{color:#5b4233;text-decoration:underline}
.login-page .hint{font-size:11px;color:#8e8980}
.login-page .quiet{font-size:13px}
.login-page .error{font-size:12px}
@media(max-width:380px){.login-page .auth-main{padding:28px 20px}.login-page .auth-panel{padding:23px 21px}.login-page .intro h1{font-size:32px}}
@media(max-height:700px){.login-page .auth-main{padding-top:26px;padding-bottom:26px}.login-page .brand{margin-bottom:21px}.login-page .intro{margin-bottom:22px}}