:root{--color-primary: #0f766e;--color-primary-dark: #0b5c56;--color-primary-light: #f0faf8;--color-known: #10b981;--color-key: #f59e0b;--color-key-bg: #fffbeb;--color-danger: #dc2626;--color-text: #1f2937;--color-text-sub: #4b5563;--color-text-muted: #9aa3af;--color-border: #e8ebef;--color-bg: #f3f5f7;--radius: 12px;--tap-min: 44px;--nav-height: 58px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.6}#app{max-width:640px;margin:0 auto;min-height:100vh;background:#fff;position:relative;box-shadow:0 0 24px #0f172a0f}.page{padding:16px;padding-top:calc(env(safe-area-inset-top,0px) + 16px);padding-bottom:calc(var(--nav-height) + env(safe-area-inset-bottom,0px) + 20px);min-height:100vh}.page--full{padding-bottom:calc(env(safe-area-inset-bottom,0px) + 20px)}.page-header{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:700;padding:6px 0 14px}.back-btn{min-width:var(--tap-min);min-height:var(--tap-min);background:none;border:none;font-size:22px;line-height:1;color:var(--color-text);cursor:pointer;text-align:center;padding:0;margin-left:-10px}.btn{display:block;width:100%;min-height:var(--tap-min);border-radius:10px;border:none;font-size:15px;font-weight:600;cursor:pointer;padding:12px 16px}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:active{background:var(--color-primary-dark)}.btn-outline{background:#fff;border:1.5px solid var(--color-primary);color:var(--color-primary-dark)}.btn-ghost{background:#fff;border:1.5px solid var(--color-border);color:var(--color-text-sub)}.btn-known{background:var(--color-known);color:#fff}.btn-key{background:var(--color-key);color:#fff}.btn[disabled]{opacity:.55;cursor:not-allowed}.input{width:100%;min-height:var(--tap-min);border:1px solid #cbd5e1;border-radius:8px;padding:10px 12px;font-size:15px;font-family:inherit}.input:focus{outline:none;border-color:var(--color-primary)}.label{font-size:13px;color:var(--color-text-sub);margin:12px 0 4px}.card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:16px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:640px;height:var(--nav-height);display:flex;background:#fff;border-top:1px solid var(--color-border);padding-bottom:env(safe-area-inset-bottom);z-index:100}.bottom-nav a{flex:1;display:flex;align-items:center;justify-content:center;text-decoration:none;color:var(--color-text-muted);font-size:14px;font-weight:600}.bottom-nav a.router-link-active{color:var(--color-primary)}.muted{color:var(--color-text-muted)}