.efh-page{--efh-primary: #022a99;--efh-primary-dark: #021f70;--efh-accent: #0ea5b7;--efh-success: #12a878;--efh-warn: #c98a12;--efh-danger: #e5484d;--efh-radius-lg: 26px;--efh-radius-md: 20px;--efh-radius-sm: 12px;--efh-shadow: 0 20px 50px rgba(15, 23, 42, .1);--efh-shadow-soft: 0 8px 26px rgba(15, 23, 42, .06);--efh-sans: var(--font-sans, Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif);--efh-mono: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace);min-height:100vh;padding:clamp(16px,2.6vw,34px);color:var(--text-primary, #0f172a);background:var(--bg-page, #f4f7fc);font-family:var(--efh-sans);font-size:14px}.efh-page *,.efh-page *:before,.efh-page *:after{box-sizing:border-box}.efh-page h1,.efh-page h2{margin:0;color:var(--text-primary, #0f172a);letter-spacing:-.02em}.efh-hero,.efh-shell,.efh-status{width:min(1320px,100%);margin-left:auto;margin-right:auto}.efh-hero{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:end;padding:clamp(24px,3.4vw,40px);border:1px solid var(--border-color, #e5eaf3);border-radius:var(--efh-radius-lg);background:linear-gradient(135deg,var(--primary-bg, #eef3ff),transparent 62%),var(--bg-card, #ffffff);box-shadow:var(--efh-shadow);overflow:hidden}.efh-hero:after{content:"";position:absolute;right:-110px;bottom:-130px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(2,42,153,.1),transparent 68%);pointer-events:none}.efh-back{position:absolute;left:20px;top:20px;display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border:1px solid var(--border-color, #c3d2ff);border-radius:999px;color:var(--text-link, #022a99);background:var(--bg-card, #ffffff);text-decoration:none;font-size:13px;font-weight:800;transition:background .18s ease,transform .18s ease}.efh-back:hover{background:var(--primary-bg, #eef3ff);transform:translate(-2px)}.efh-eyebrow{display:inline-flex;align-items:center;margin-bottom:10px;padding:6px 11px;border:1px solid var(--border-color, #c3d2ff);border-radius:999px;color:var(--text-link, #022a99);background:var(--primary-bg, #eef3ff);font-size:11px;font-weight:900;letter-spacing:.09em;text-transform:uppercase}.efh-eyebrow.ai{border-color:#0ea5b773}.efh-eyebrow.ai:before{content:"";width:6px;height:6px;margin-right:7px;border-radius:50%;background:var(--efh-accent)}.efh-hero-main h1{margin:4px 0 10px;font-size:clamp(28px,3.4vw,42px);font-weight:900;line-height:1.08;letter-spacing:-.045em}.efh-hero-main p{max-width:700px;margin:0;color:var(--text-secondary, #41506b);font-size:15px;line-height:1.75}.efh-hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.efh-pill{display:inline-flex;align-items:center;min-height:28px;padding:0 12px;border:1px solid var(--border-color, #e5eaf3);border-radius:999px;color:var(--text-secondary, #41506b);background:var(--bg-card, #ffffff);font-size:12px;font-weight:800}.efh-pill.ai{border-color:#0ea5b773;color:var(--text-link, #022a99);background:var(--primary-bg, #eef3ff)}.efh-pill.sm{min-height:24px;font-size:11px}.efh-hero-stats{display:grid;grid-template-columns:repeat(3,minmax(96px,1fr));gap:10px;min-width:246px}.efh-hero-stats span{padding:13px 10px;border:1px solid var(--border-color, #e5eaf3);border-radius:16px;background:var(--bg-card, #ffffff);text-align:center;box-shadow:0 8px 20px #022a990f}.efh-hero-stats strong,.efh-hero-stats small{display:block}.efh-hero-stats strong{color:var(--text-link, #022a99);font-size:21px;font-variant-numeric:tabular-nums}.efh-hero-stats small{margin-top:3px;color:var(--text-tertiary, #6b7a94);font-size:11px;font-weight:800}.efh-shell{margin-top:16px}.efh-workspace{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start}.efh-main{display:flex;min-width:0;flex-direction:column;gap:16px}.efh-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:stretch}.efh-grid-2>*{min-width:0}.efh-card{display:flex;flex-direction:column;min-width:0;overflow:hidden;border:1px solid var(--border-color, #e5eaf3);border-radius:var(--efh-radius-md);background:var(--bg-card, #ffffff);box-shadow:var(--efh-shadow-soft)}.efh-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:16px 18px;border-bottom:1px solid var(--border-color, #e5eaf3);background:var(--bg-muted, #f7f9fd)}.efh-card-head h2{font-size:18px;line-height:1.25}.efh-body{display:flex;flex-direction:column;gap:12px;padding:16px 18px;min-width:0}.efh-chip-soft{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:800;white-space:nowrap}.efh-chip-soft.good{color:#0b7a55;background:#e7f8f0}.efh-chip-soft.warn{color:#8a5a06;background:#fff5e0}.efh-actions{display:flex;flex-wrap:wrap;gap:8px}.efh-btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 14px;border:1px solid transparent;border-radius:11px;color:var(--text-secondary, #41506b);background:var(--bg-card, #ffffff);font-family:inherit;font-size:13px;font-weight:800;white-space:nowrap;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease}.efh-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 22px #0f172a1f}.efh-btn:disabled{opacity:.5;cursor:not-allowed}.efh-btn.ghost{border-color:var(--border-color, #e5eaf3)}.efh-btn.ghost:hover:not(:disabled){border-color:var(--text-link, #022a99);color:var(--text-link, #022a99);background:var(--primary-bg, #eef3ff)}.efh-btn.primary{color:#fff;background:linear-gradient(135deg,var(--efh-primary),var(--efh-primary-dark));box-shadow:0 12px 26px #022a992e}.efh-btn.ai{color:#fff;background:linear-gradient(135deg,var(--efh-primary),var(--efh-accent));box-shadow:0 12px 28px #022a9933}.efh-btn.block{width:100%;margin-top:14px}.efh-textarea{width:100%;min-height:168px;margin:0;padding:16px 18px;border:0;outline:none;resize:vertical;color:var(--text-primary, #0f172a);background:var(--bg-card, #ffffff);font-family:var(--efh-mono);font-size:14px;line-height:1.75}.efh-textarea:focus{box-shadow:inset 0 0 0 3px var(--primary-bg, rgba(2, 42, 153, .14))}.efh-textarea::placeholder{color:var(--text-tertiary, #6b7a94)}.efh-token-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:14px 18px;border-top:1px solid var(--border-color, #e5eaf3);background:var(--bg-muted, #f7f9fd)}.efh-token-block{min-width:0}.efh-section-title{display:block;margin-bottom:8px;color:var(--text-secondary, #41506b);font-size:12.5px;font-weight:900}.efh-tags{display:flex;flex-wrap:wrap;gap:6px}.efh-tags span,.efh-tags em{display:inline-flex;min-height:26px;align-items:center;padding:0 9px;border-radius:999px;font-family:var(--efh-mono);font-size:12px;font-style:normal;font-weight:800}.efh-tags .fn{color:var(--text-link, #022a99);background:var(--primary-bg, #eef3ff)}.efh-tags .ref{color:#0b7285;background:#0ea5b71f}.efh-tags em{color:var(--text-tertiary, #6b7a94);background:var(--bg-muted, #eef2f9)}.efh-fn-list,.efh-step-list,.efh-bullet-list,.efh-risk-list{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;list-style:none}.efh-fn-list li{display:flex;flex-wrap:wrap;gap:8px;padding:10px 12px;border:1px solid var(--border-color, #e5eaf3);border-radius:var(--efh-radius-sm);background:var(--bg-muted, #f7f9fd)}.efh-fn-list b{color:var(--text-link, #022a99);font-family:var(--efh-mono);font-size:13px}.efh-fn-list span{flex:1 1 220px;min-width:0;color:var(--text-secondary, #41506b);font-size:13px;line-height:1.65}.efh-step-list li{display:flex;flex-direction:column;gap:4px;padding:10px 12px;border-left:3px solid var(--text-link, #022a99);border-radius:0 var(--efh-radius-sm) var(--efh-radius-sm) 0;background:var(--bg-muted, #f7f9fd)}.efh-step-list code{color:var(--text-primary, #0f172a);font-family:var(--efh-mono);font-size:12.5px;word-break:break-all}.efh-step-list span{color:var(--text-secondary, #41506b);font-size:13px;line-height:1.65}.efh-bullet-list li{position:relative;padding-left:16px;color:var(--text-secondary, #41506b);font-size:13px;line-height:1.7}.efh-bullet-list li:before{content:"";position:absolute;left:4px;top:8px;width:5px;height:5px;border-radius:50%;background:var(--efh-accent)}.efh-risk-list li{padding:10px 12px;border:1px solid rgba(201,138,18,.28);border-radius:var(--efh-radius-sm);color:#8a5a06;background:#fff8ea;font-size:13px;line-height:1.65}.efh-empty{margin:0;color:var(--text-tertiary, #6b7a94);font-size:13px}.efh-tip{margin:0;color:var(--text-tertiary, #6b7a94);font-size:12.5px;line-height:1.7}.efh-ai-result .efh-body>.efh-section-title:not(:first-child){margin-top:4px}.efh-formula-box{padding:14px 16px;border:1px solid rgba(14,165,183,.35);border-radius:var(--efh-radius-sm);background:var(--bg-muted, #eef8fa)}.efh-formula-box code{display:block;overflow-x:auto;color:var(--text-primary, #0f172a);font-family:var(--efh-mono);font-size:13.5px;line-height:1.7;white-space:pre-wrap;word-break:break-all}.efh-summary{margin:0;color:var(--text-primary, #0f172a);font-size:14px;font-weight:700;line-height:1.7}.efh-ai-panel{position:sticky;top:18px}.efh-ai-desc{margin:14px 18px 0;color:var(--text-tertiary, #6b7a94);font-size:12.5px;line-height:1.7}.efh-mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:12px 18px 0}.efh-mode{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border:1px solid var(--border-color, #e5eaf3);border-radius:var(--efh-radius-sm);background:var(--bg-muted, #f7f9fd);color:var(--text-secondary, #41506b);text-align:left;cursor:pointer;transition:border-color .18s ease,background .18s ease,transform .18s ease}.efh-mode:hover{transform:translateY(-1px);border-color:var(--text-link, #022a99)}.efh-mode strong{color:var(--text-primary, #0f172a);font-size:13px}.efh-mode small{color:var(--text-tertiary, #6b7a94);font-size:11px;line-height:1.45}.efh-mode.is-on{border-color:var(--text-link, #022a99);color:var(--text-link, #022a99);background:var(--primary-bg, #eef3ff)}.efh-field{display:flex;flex-direction:column;gap:7px;padding:0 18px;margin-top:12px}.efh-field>span{color:var(--text-secondary, #41506b);font-size:12.5px;font-weight:900}.efh-input,.efh-mini-textarea{width:100%;padding:10px 12px;border:1px solid var(--border-color, #e5eaf3);border-radius:var(--efh-radius-sm);outline:none;color:var(--text-primary, #0f172a);background:var(--bg-card, #ffffff);font-family:var(--efh-sans);font-size:13px;line-height:1.6;resize:vertical}.efh-mini-textarea{min-height:88px}.efh-input:focus,.efh-mini-textarea:focus{border-color:var(--text-link, #022a99);box-shadow:0 0 0 3px var(--primary-bg, rgba(2, 42, 153, .14))}.efh-ai-panel>.efh-btn.block{width:calc(100% - 36px);margin:14px 18px 0}.efh-ai-hints{margin:12px 18px 18px;padding:0;list-style:none;color:var(--text-tertiary, #6b7a94);font-size:11.5px;line-height:1.7}.efh-ai-hints li{position:relative;padding-left:12px}.efh-ai-hints li:before{content:"·";position:absolute;left:2px}.efh-status{margin-top:14px;padding:12px 14px;border-radius:14px;font-size:13px;font-weight:800}.efh-status.success{color:#0b7a55;background:#e7f8f0;border:1px solid #b7ecd3}.efh-status.error{color:#b3261e;background:#fdecec;border:1px solid #f6c9c6}.efh-status.info{color:#02237f;background:#eef3ff;border:1px solid #c3d2ff}@media (max-width: 1180px){.efh-workspace{grid-template-columns:1fr}.efh-ai-panel{position:static}}@media (max-width: 900px){.efh-hero{grid-template-columns:1fr;align-items:start}.efh-hero-stats{min-width:0}.efh-grid-2{grid-template-columns:1fr}}@media (max-width: 640px){.efh-page{padding:12px}.efh-hero,.efh-card{border-radius:18px}.efh-back{position:static;width:fit-content;margin-bottom:14px}.efh-hero-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.efh-hero-stats strong{font-size:18px}.efh-token-row,.efh-mode-grid{grid-template-columns:1fr}.efh-card-head{flex-direction:column;align-items:flex-start}.efh-actions{width:100%}.efh-btn{flex:1 1 auto}.efh-textarea{min-height:150px;font-size:13px}}