/* 上线版新增组件：公开页页眉、注册/登录、用量条、一次性密钥框、阅读页。依赖 shared.css 的 token。 */

/* 公开页页眉（首页、注册、登录、条款共用） */
.nav{height:64px;border-bottom:1px solid var(--border);background:var(--bg);position:relative}
.nav .wrap{height:100%;display:flex;align-items:center;gap:8px}
.nav .links{display:flex;gap:4px;margin-left:24px}
.nav .links a{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 12px;border-radius:8px;font-size:14px;font-weight:500;text-decoration:none;color:var(--text-2);white-space:nowrap}
.nav .links a:hover{background:var(--surface-2);color:var(--text)}
.nav .links a[aria-current=page]{color:var(--text);font-weight:600}
.nav .sp{flex:1}
.nav .menu{display:none}
.mpanel{display:none}
.mpanel[data-open=true]{display:block}
.beta{margin-left:4px}

/* 注册 / 登录 */
.auth{padding:48px 0 96px}
.auth-grid{display:grid;grid-template-columns:minmax(0,520px) minmax(0,1fr);gap:64px;align-items:start}
.auth-card{padding:32px}
.auth-card h1{font-size:28px;line-height:36px;font-weight:700;letter-spacing:-.01em}
.auth-card .sub{margin-top:8px;font-size:16px;line-height:26px;color:var(--text-2)}
.auth-card form,.auth-card .body{margin-top:24px;display:grid;gap:16px}
.auth .input.lg{height:48px;font-size:16px}
.agree{display:flex;gap:12px;align-items:flex-start;padding:11px 0;font-size:14px;line-height:22px;color:var(--text-2)}
.agree input{width:20px;height:20px;margin:1px 0 0;flex:none;accent-color:var(--ink)}
.agree a{padding:0 1px}
.agree a{color:var(--text);text-underline-offset:3px}
.auth-card .btn-lg{width:100%}
.alt{font-size:14px;line-height:22px;color:var(--text-2)}
.alt a{color:var(--text);font-weight:600;text-underline-offset:3px}
.aside h2{font-size:18px;line-height:28px;font-weight:600}
.aside .facts{margin-top:16px;display:grid;gap:0}
.aside .facts li{display:grid;grid-template-columns:140px minmax(0,1fr);gap:16px;padding:12px 0;border-bottom:1px solid var(--border);font-size:14px;line-height:22px}
.aside .facts li:first-child{border-top:1px solid var(--border)}
.aside .facts b{font-weight:600}
.aside .know{margin-top:24px;display:grid;gap:12px}
.aside .know li{display:flex;gap:12px;font-size:14px;line-height:22px;color:var(--text-2)}
.aside .know svg{margin-top:1px;color:var(--text)}
.working{display:flex;gap:12px;align-items:center;padding:12px 16px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);font-size:14px;line-height:20px}
.bar{display:block;height:8px;border-radius:4px;background:var(--surface-2);position:relative;border:1px solid var(--border)}
.bar i{position:absolute;left:-1px;top:-1px;bottom:-1px;border-radius:4px;background:var(--ink)}
.bar.warn i{background:var(--warn)}
.bar.full i{background:var(--err)}

/* 一次性密钥框 */
.keyshow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center}
.keyshow .val{min-height:48px;border-radius:8px;border:1px solid var(--border-strong);background:var(--surface);display:flex;align-items:center;padding:10px 12px;font-size:14px;line-height:20px}
.keyshow .val span{min-width:0;white-space:normal;overflow-wrap:anywhere;word-break:break-all}
.keyshow .row2{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap}

/* 阅读页（条款、隐私） */
.read{padding:48px 0 96px}
.read .doc{max-width:720px;margin:0 auto}
.read h1{font-size:32px;line-height:40px;font-weight:700;letter-spacing:-.015em;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.read .meta{margin-top:8px;font-size:14px;line-height:22px;color:var(--text-3)}
.read h2{margin-top:40px;font-size:20px;line-height:28px;font-weight:700}
.read p,.read li{margin-top:12px;font-size:16px;line-height:28px;color:var(--text-2)}
.read ul{padding-left:20px;list-style:disc}
.read li{margin-top:8px}
.read .tabs{margin-top:24px}
.foot{border-top:1px solid var(--border);padding:32px 0 48px;font-size:14px;line-height:20px;color:var(--text-2)}
.foot .row{display:flex;gap:24px;flex-wrap:wrap;align-items:center}
.foot a{text-decoration:none;display:inline-flex;align-items:center;gap:6px;min-height:24px}
.foot a:hover{text-decoration:underline}
.foot .legal{margin-top:16px;color:var(--text-3);font-size:12px;line-height:16px;max-width:720px}

@media (max-width:1100px){.auth-grid{grid-template-columns:minmax(0,1fr);gap:40px}.auth-card{max-width:560px}}
@media (max-width:820px){
  .btn.sm{height:44px}
  .nav{height:56px}.nav .links,.nav .cta-nav{display:none}.nav .menu{display:inline-flex}
  .nav .wrap{gap:4px}
  .mpanel{position:absolute;left:0;right:0;top:56px;z-index:5;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow);padding:8px 20px 16px;display:none}
  .mpanel[data-open=true]{display:block}
  .mpanel a{display:flex;align-items:center;gap:8px;min-height:48px;border-bottom:1px solid var(--border);text-decoration:none;font-size:16px}
  .mpanel a:last-child{border-bottom:0}
  .auth{padding:24px 0 64px}
  .auth-card{padding:20px}
  .auth-card h1{font-size:24px;line-height:32px}
  .aside .facts li{grid-template-columns:minmax(0,1fr);gap:2px}
  .keyshow{grid-template-columns:minmax(0,1fr)}
  .read{padding:24px 0 64px}.read h1{font-size:24px;line-height:32px}.read h2{margin-top:32px;font-size:18px;line-height:26px}
}

[hidden]{display:none!important}

@media (max-width:520px){.beta{display:none}}

.nav .iconbtn,.nav .menu{flex:none}
@media (max-width:820px){
  .btn.sm{height:44px;min-width:44px}
  .nav .iconbtn,.nav .menu{width:44px;min-width:44px}
}