/* 登录页 · 编辑感纸面设计（2026-10 重制）：在 styles.css 之后加载，作用域限定 .login */
.login{--paper:#f5f7f6;--ink:#1b1e1c;--ink-2:#474d47;--ink-3:#6d736a;--hairline:#e2e6e3;--accent:#0f6a5f;--accent-deep:#0a5249;--warn:#7d5f26;--error:#9c4030;min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:1.06fr .94fr;background:#fff;color:var(--ink)}
.login a{color:var(--accent);text-decoration-color:rgba(15,106,95,.3);text-underline-offset:3px}
.login a:hover{color:var(--accent-deep)}
.login a:focus-visible,.login button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ===== 左屏：纸面 ===== */
.login-intro{position:relative;padding:36px 64px 34px;background:var(--paper);border-right:1px solid var(--hairline);display:flex;flex-direction:column;color:var(--ink)}
.login-intro .login-lede{color:var(--ink-2)}
.login-brand{display:flex;align-items:center;gap:12px}
.login-brand .brand-icon{width:38px;height:38px;border-radius:10px;display:block;box-shadow:0 0 0 1px rgba(10,74,66,.25)}
.login-brand b{font-size:15.5px;font-weight:650;letter-spacing:.02em;display:block;line-height:1.35}
.login-brand span{font-size:11.5px;color:var(--ink-3);letter-spacing:.06em}
.login-hero{flex:1;display:flex;flex-direction:column;justify-content:center;padding:48px 0 40px;max-width:520px}
.login-kicker{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:650;letter-spacing:.04em;color:var(--accent);margin:0 0 22px}
.login-kicker::before{content:"";width:26px;height:2px;background:var(--accent)}
.login-hero h1{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(32px,3.2vw,46px);font-weight:600;line-height:1.42;letter-spacing:.015em;margin:0 0 20px;color:var(--ink)}
.login-lede{color:var(--ink-2);font-size:15px;line-height:1.95;margin:0;max-width:400px}
.login-points{list-style:none;padding:0;margin:0;border-top:1px solid var(--hairline)}
.login-points li{display:flex;gap:22px;align-items:baseline;padding:17px 0;border-bottom:1px solid var(--hairline)}
.login-points b{font-size:11.5px;font-weight:600;color:var(--ink-3);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.login-points strong{display:block;font-size:14.5px;font-weight:650;letter-spacing:.02em;margin-bottom:3px}
.login-points span{font-size:13px;color:var(--ink-2);line-height:1.75}
.login-platforms{font-size:11.5px;color:var(--ink-3);letter-spacing:.14em;padding-top:24px}

/* ===== 右屏：表单 ===== */
.login-form{display:flex;align-items:center;justify-content:center;padding:48px 40px;background:#fff}
.login-form-inner{width:100%;max-width:372px}
.login-form .eyebrow{font-size:13px;font-weight:650;letter-spacing:.08em;color:var(--ink-2);margin-bottom:14px}
.login-form h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:30px;font-weight:600;letter-spacing:.02em;margin:0 0 8px}
.login-form .muted.small{font-size:13.5px;color:var(--ink-2);margin:0 0 32px;line-height:1.8}
.login-form form{display:grid;gap:20px;margin-top:0}
.login-form label{display:grid;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.04em;color:var(--ink-2);transition:color .18s}
.login-form label:focus-within{color:var(--ink)}
.login-form input{width:100%;box-sizing:border-box;border:1px solid var(--hairline);border-radius:8px;background:#f8faf9;padding:13px 15px;font:inherit;font-size:15px;color:var(--ink);transition:border-color .18s,background .18s,box-shadow .18s}
.login-form input::placeholder{color:#b3aea2;font-weight:400}
.login-form input:hover{border-color:#cfccc2}
.login-form input:focus{outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(27,27,24,.07)}
.password-field{position:relative;display:block}
.password-field input{padding-right:50px}
.password-toggle{position:absolute;right:7px;top:50%;transform:translateY(-50%);width:34px;height:34px;border:none;background:transparent;border-radius:8px;color:var(--ink-3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .16s,background .16s}
.password-toggle:hover{color:var(--ink);background:#edf1ee}
.password-toggle.showing{color:var(--accent)}
.password-toggle svg{width:18px;height:18px}
.caps-hint{font-size:12px;color:var(--warn);font-weight:500;letter-spacing:.02em}
.login-form .btn.primary{margin-top:4px;width:100%;justify-content:center;padding:14px;border-radius:8px;font-size:15px;font-weight:600;letter-spacing:.06em;background:var(--accent);border:none;color:#fff;box-shadow:none;transition:background .2s,transform .15s}
.login-form .btn.primary:hover{background:var(--accent-deep);transform:translateY(-1px)}
.login-form .btn.primary:active{transform:scale(.98)}
.login-form .btn.primary:disabled{opacity:.75;cursor:wait;transform:none}
.login-feedback{min-height:22px;margin-top:14px!important;font-size:13px;line-height:1.65;color:var(--ink-2)}
.login-feedback.error{color:var(--error)}
.login-form .notice{margin-top:22px;padding:0 0 0 14px;border-left:2px solid var(--hairline);border-radius:0;background:none;font-size:12.5px;line-height:1.8;color:var(--ink-2)}
.ding-login-entry{margin-top:30px;text-align:center}
.ding-login-entry>span{position:relative;display:block;font-size:12px;color:var(--ink-3);letter-spacing:.1em;margin-bottom:18px}
.ding-login-entry>span::before,.ding-login-entry>span::after{content:"";position:absolute;top:50%;width:calc(50% - 82px);height:1px;background:var(--hairline)}
.ding-login-entry>span::before{left:0}
.ding-login-entry>span::after{right:0}
.ding-login-entry .btn{width:100%;justify-content:center;padding:12px;border-radius:8px;border:1px solid var(--hairline);background:#fff;font-size:14px;font-weight:600;letter-spacing:.03em;color:var(--ink);transition:border-color .18s,background .18s}
.ding-login-entry .btn:hover{border-color:var(--ink);background:#f4f7f5}
.ding-login-entry .caption{margin-top:14px;font-size:12px;color:var(--ink-3)}

/* ===== 入场：克制的淡入 ===== */
@keyframes login-rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.login-brand,.login-kicker,.login-hero h1,.login-lede,.login-points li,.login-platforms,.login-form-inner{animation:login-rise .55s cubic-bezier(.2,.7,.3,1) both}
.login-kicker{animation-delay:.05s}
.login-hero h1{animation-delay:.1s}
.login-lede{animation-delay:.16s}
.login-points li:nth-child(1){animation-delay:.22s}
.login-points li:nth-child(2){animation-delay:.28s}
.login-points li:nth-child(3){animation-delay:.34s}
.login-platforms{animation-delay:.4s}
.login-form-inner{animation-delay:.12s}
@keyframes login-shake{10%,90%{transform:translateX(-2px)}20%,80%{transform:translateX(3px)}30%,50%,70%{transform:translateX(-4px)}40%,60%{transform:translateX(4px)}}
.login-shake{animation:login-shake .4s cubic-bezier(.36,.07,.19,.97)}

@media(max-width:960px){
  .login{grid-template-columns:1fr;grid-template-rows:auto 1fr}
  .login-intro{padding:24px 26px 0;border-right:none;border-bottom:1px solid var(--hairline)}
  .login-hero{padding:30px 0 24px}
  .login-hero h1{font-size:25px}
  .login-points li{padding:13px 0}
  .login-platforms{display:none}
  .login-form{padding:34px 24px 46px;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  .login-brand,.login-kicker,.login-hero h1,.login-lede,.login-points li,.login-platforms,.login-form-inner,.login-shake{animation:none}
  .login-form .btn.primary,.login-form input,.ding-login-entry .btn,.login-points li{transition:none}
}