:root{--bg: #f4f7f5;--card: #ffffff;--text: #1e2a24;--muted: #6b7a72;--primary: #157a4c;--primary-dark: #0f5f3b;--primary-bg: #e6f4ec;--accent: #d9a441;--accent-bg: #fdf6e7;--danger: #c0392b;--danger-bg: #fdecea;--border: #dde7e1;--radius: 12px;--shadow: 0 2px 12px rgba(21, 122, 76, .08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;-webkit-font-smoothing:antialiased}#root{min-height:100vh}a{color:var(--primary);text-decoration:none}.page{max-width:1080px;margin:0 auto;padding:24px 20px 64px}.page-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap}.page-header h2{margin:0;font-size:22px}.page-desc{color:var(--muted);margin:-12px 0 20px;font-size:14px}.topbar{position:sticky;top:0;z-index:50;background:var(--card);border-bottom:1px solid var(--border)}.topbar-inner{max-width:1080px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.topbar .brand{font-size:17px;font-weight:800;color:var(--primary);white-space:nowrap}.topbar .spacer{flex:1}.nav-links{display:flex;gap:2px;flex-wrap:wrap}.nav-links a{padding:8px 12px;border-radius:8px;font-size:14px;color:var(--muted);font-weight:600}.nav-links a:hover{background:var(--bg);color:var(--text)}.nav-links a.active{background:var(--primary-bg);color:var(--primary)}.lang-toggle{display:flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.lang-toggle button{border:none;background:transparent;padding:6px 10px;font-size:13px;cursor:pointer;color:var(--muted)}.lang-toggle button.active{background:var(--primary);color:#fff}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}.card h3{margin:0 0 10px;font-size:17px}.card .muted{color:var(--muted);font-size:13px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.stat{text-align:left}.stat .num{font-size:30px;font-weight:800;color:var(--primary)}.stat .label{font-size:13px;color:var(--muted);margin-top:4px}.row-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.row-item:last-child{border-bottom:none}.row-item .grow{flex:1;min-width:0}.row-item .title{font-weight:700}.row-item .sub{font-size:13px;color:var(--muted);margin-top:2px}.dim{opacity:.45}.tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--primary-bg);color:var(--primary);white-space:nowrap}.tag.warn{background:var(--accent-bg);color:#9a6b1a}.tag.gray{background:#eef1ef;color:var(--muted)}.tag.ai{background:#e8efff;color:#2b4fd8}.form{display:grid;gap:14px}.form-row{display:grid;gap:14px;grid-template-columns:1fr 1fr}label.field{display:grid;gap:6px;font-size:14px;font-weight:600}label.field .hint{font-weight:400;color:var(--muted);font-size:12px}input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],select,textarea{width:100%;padding:10px 12px;font-size:15px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);font-family:inherit}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:-1px;border-color:var(--primary)}textarea{resize:vertical;min-height:70px}.checkbox-row{display:flex;align-items:center;gap:10px;font-size:14px;cursor:pointer;-webkit-user-select:none;user-select:none}.checkbox-row input{width:18px;height:18px;accent-color:var(--primary);cursor:pointer}.btn{display:inline-block;border:none;border-radius:8px;padding:10px 18px;font-size:15px;font-weight:700;cursor:pointer;background:var(--primary);color:#fff;font-family:inherit}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:#eef1ef;color:var(--text)}.btn-secondary:hover{background:#e0e6e2}.btn-ghost{background:transparent;color:var(--muted);padding:8px 10px}.btn-ghost:hover{background:var(--bg);color:var(--text)}.btn-danger{background:transparent;color:var(--danger);padding:8px 10px}.btn-danger:hover{background:var(--danger-bg)}.btn-small{padding:7px 12px;font-size:13px}.alert{padding:12px 14px;border-radius:8px;font-size:14px;margin-bottom:16px}.alert-error{background:var(--danger-bg);color:var(--danger)}.alert-ok{background:var(--primary-bg);color:var(--primary-dark)}.alert-info{background:var(--accent-bg);color:#7a5410}.empty{text-align:center;color:var(--muted);padding:28px 12px;font-size:14px}.auth-wrap{max-width:420px;margin:60px auto;padding:0 20px}.auth-card{text-align:left}.auth-card h2{margin:0 0 6px}.auth-card .tagline{color:var(--muted);font-size:14px;margin-bottom:20px}.auth-switch{margin-top:16px;font-size:14px;text-align:center}.result-hero{display:flex;align-items:baseline;gap:10px;margin:6px 0 14px}.result-hero .amount{font-size:34px;font-weight:800;color:var(--primary)}.result-line{padding:8px 0;border-bottom:1px dashed var(--border);font-size:15px}.result-line:last-child{border-bottom:none}.explanation{white-space:pre-wrap;font-size:14px;line-height:1.7}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#141e1973;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:#fff;border-radius:var(--radius);padding:22px;max-width:560px;width:100%;max-height:88vh;overflow-y:auto;box-shadow:0 12px 40px #0000002e}.modal h3{margin:0 0 16px}@media (max-width: 720px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}.topbar-inner{gap:8px}.nav-links{order:3;width:100%}.page{padding:16px 14px 48px}}@media (max-width: 420px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-size:14px;padding:6px 0}.link-btn:hover{text-decoration:underline}