.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:3000;display:grid;grid-template-columns:repeat(2,1fr);max-width:480px;margin:0 auto;padding:0 16px calc(8px + env(safe-area-inset-bottom));background:#ffffffe0;border-top:1px solid rgba(255,255,255,.75);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 -4px 20px #1e3a5f0d}.bottom-nav__item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 4px 8px;color:var(--color-subtle);text-decoration:none;transition:color .15s ease}.bottom-nav__item.is-active{color:var(--color-brand)}.bottom-nav__icon{width:22px;height:22px;display:grid;place-items:center}.bottom-nav__icon svg{width:20px;height:20px}.bottom-nav__label{font-size:11px;font-weight:500}.main-layout{min-height:100dvh;display:flex;flex-direction:column}.main-layout__content{flex:1;min-height:0;padding-bottom:calc(56px + env(safe-area-inset-bottom))}.login-page{min-height:100dvh;padding:calc(56px + env(safe-area-inset-top)) 20px calc(24px + env(safe-area-inset-bottom));display:flex;flex-direction:column;position:relative}.login-page__actions{margin-top:auto;display:flex;flex-direction:column;gap:16px;padding:20px;border-radius:var(--radius-lg);background:#ffffffc7;border:1px solid rgba(255,255,255,.9);box-shadow:0 10px 30px #1e3a5f0f;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.login-page__brand{margin-top:10vh;margin-bottom:48px}.login-page__mark{margin:0 0 16px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--color-brand)}.login-page__title{margin:0 0 8px;font-size:28px;font-weight:600;letter-spacing:-.03em;color:var(--color-ink)}.login-page__desc{margin:0;max-width:300px;font-size:14px;line-height:1.6;color:var(--color-muted)}.login-page__field{display:flex;flex-direction:column;gap:6px}.login-page__label{font-size:13px;font-weight:500;color:var(--color-muted)}.login-page__input{width:100%;min-height:44px;padding:0 12px;border:1px solid var(--color-line);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-ink);outline:none;transition:border-color .15s ease}.login-page__input::placeholder{color:var(--color-subtle)}.login-page__input:focus{border-color:var(--color-brand)}.login-page__hint{margin:0;font-size:12px;line-height:1.5;color:var(--color-subtle);text-align:center}.login-page__message{margin:0;font-size:13px;line-height:1.5;color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:var(--radius-md);padding:10px 12px}.login-page__wechat-btn{width:100%;min-height:44px;border:0;border-radius:var(--radius-md);background:#07c160;color:#fff;font-size:15px;font-weight:600}.login-page__wechat-btn:disabled{opacity:.6}.login-page__wechat-tip{margin:0;font-size:13px;line-height:1.55;color:var(--color-ink);background:#eff6ff;border:1px solid #bfdbfe;border-radius:var(--radius-md);padding:10px 12px}.login-page__wechat-hint{margin:0;font-size:12px;line-height:1.5;color:var(--color-muted);text-align:center}.login-page__wechat-fallback{margin:0;padding:0;border:0;background:none;color:var(--color-brand);font:inherit;font-size:12px;text-decoration:underline;cursor:pointer}.login-page__wechat-fallback:disabled{opacity:.6;cursor:not-allowed}.login-page__wechat-secondary{width:100%;min-height:40px;border:1px solid #07c160;border-radius:var(--radius-md);background:transparent;color:#07c160;font-size:14px;font-weight:500}.login-page__wechat-secondary:disabled{opacity:.6}.login-page__divider{margin:0;text-align:center;font-size:12px;color:var(--color-subtle)}.login-page__bind-tip{margin:0;font-size:13px;line-height:1.5;color:var(--color-ink);background:#ecfdf5;border:1px solid #a7f3d0;border-radius:var(--radius-md);padding:10px 12px}.login-page__foot{margin:24px 0 0;text-align:center;font-size:11px;color:var(--color-subtle)}:root{--color-brand: #1e3a5f;--color-brand-hover: #152a45;--color-brand-soft: #eef2f7;--color-ink: #111827;--color-muted: #6b7280;--color-subtle: #9ca3af;--color-line: #e5e7eb;--color-surface: #ffffff;--color-bg: #eef1f6;--color-bg-accent: rgba(30, 58, 95, .06);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 10px;--shadow-sm: 0 1px 2px rgba(17, 24, 39, .04);--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;color:var(--color-ink);font-family:var(--font-sans);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{min-width:320px;max-width:480px;margin:0 auto;min-height:100dvh;position:relative;isolation:isolate;background-color:var(--color-bg);background-image:radial-gradient(ellipse 90% 60% at 50% -12%,rgba(30,58,95,.1),transparent 58%),radial-gradient(ellipse 70% 45% at 100% 0%,rgba(148,163,184,.14),transparent 52%),radial-gradient(ellipse 55% 40% at 0% 100%,rgba(30,58,95,.07),transparent 50%),linear-gradient(180deg,#f3f6fb,#f8f9fc 42%,#eceff4);background-attachment:fixed}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;opacity:.45;background-image:linear-gradient(rgba(255,255,255,.36) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.36) 1px,transparent 1px);background-size:28px 28px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 85%);mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 85%)}button,input,select,textarea{font:inherit}.page-header{margin-bottom:16px}.page-header h1{margin:0 0 4px;font-size:20px;font-weight:600;color:var(--color-ink);letter-spacing:-.02em}.page-header p{margin:0;font-size:13px;color:var(--color-muted)}.surface-card{background:#ffffffeb;border:1px solid rgba(255,255,255,.8);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm),0 8px 24px #1e3a5f0a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:44px;border-radius:var(--radius-md);border:0;font-size:15px;font-weight:500;cursor:pointer;transition:background-color .15s ease,opacity .15s ease}.btn:active{opacity:.92}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{color:#fff;background:var(--color-brand)}.btn-primary:not(:disabled):hover{background:var(--color-brand-hover)}.btn-ghost{color:var(--color-ink);background:var(--color-surface);border:1px solid var(--color-line)}.btn-danger{color:#fff;background:#dc2626;border:1px solid #dc2626}.btn-danger:not(:disabled):hover{background:#b91c1c;border-color:#b91c1c}.btn-sm{width:auto;min-height:34px;padding:0 14px;font-size:13px;border-radius:var(--radius-sm)}.page-loading{min-height:100dvh;display:grid;place-items:center;color:var(--color-muted);font-size:14px}.tone-warn{color:#92400e;background:#fffbeb}.tone-info{color:#1e40af;background:#eff6ff}.tone-accent{color:#1e3a5f;background:#eef2f7}.tone-ok{color:#065f46;background:#ecfdf5}.tone-muted{color:#6b7280;background:#f3f4f6}