:root{--color-bg: #faf9f7;--color-surface: #ffffff;--color-text: #1a1a1a;--color-text-secondary: #666;--color-accent: #7b3b2e;--color-accent-hover: #6a3226;--color-accent-light: #f5ebe8;--color-border: #e8e6e3;--color-assistant-bg: #f3f1ee;--color-ink: #2c2420;--color-user-bg: #7b3b2e;--color-user-text: #fff;--color-risk-red: #a83232;--color-risk-amber: #b8860b;--color-risk-green: #2d6a4e;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .06);--shadow-card: 0 2px 8px rgba(44, 36, 32, .06);--report-section-gap: 20px;--page-bottom-inset: calc(20px + env(safe-area-inset-bottom, 0px)) ;--font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;line-height:1.6}button{font-family:inherit;cursor:pointer;border:none;background:none;-webkit-tap-highlight-color:transparent}input,textarea{font-family:inherit;font-size:16px}.app{display:flex;flex-direction:column;height:100%;max-width:480px;margin:0 auto;background:var(--color-bg);padding-left:max(0px,env(safe-area-inset-left,0px));padding-right:max(0px,env(safe-area-inset-right,0px))}.welcome{flex:1;display:flex;flex-direction:column;padding:28px 20px 32px;justify-content:center;gap:20px}.welcome-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-card)}.welcome-badge{display:inline-block;font-size:12px;color:var(--color-accent);background:var(--color-accent-light);padding:4px 12px;border-radius:20px;margin-bottom:14px;width:fit-content}.welcome h1{font-size:22px;font-weight:600;line-height:1.4;margin-bottom:10px;color:var(--color-ink)}.welcome-tagline{font-size:15px;color:var(--color-text-secondary);margin-bottom:20px;line-height:1.7}.welcome-points{list-style:none}.welcome-points li{font-size:14px;color:var(--color-text-secondary);padding:6px 0 6px 20px;position:relative}.welcome-points li:before{content:"·";position:absolute;left:4px;color:var(--color-accent);font-weight:700}.welcome-privacy{font-size:12px;color:var(--color-text-secondary);padding:10px 12px;background:var(--color-assistant-bg);border-radius:var(--radius-sm);line-height:1.6}.btn-cta-large{padding:16px 24px;font-size:17px;font-weight:600;letter-spacing:.02em;border-radius:var(--radius);box-shadow:0 4px 12px #7b3b2e40}.btn-cta-large:active{background:var(--color-accent-hover)}.btn-primary{display:block;width:100%;padding:14px 24px;background:var(--color-accent);color:#fff;font-size:16px;font-weight:500;border-radius:var(--radius);transition:opacity .2s}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-primary:not(:disabled):active{opacity:.85}.btn-secondary{display:block;width:100%;padding:12px 24px;background:var(--color-surface);color:var(--color-text);font-size:15px;border:1px solid var(--color-border);border-radius:var(--radius);margin-top:8px}.chat-header{padding:16px 20px;border-bottom:1px solid var(--color-border);background:var(--color-surface);text-align:center}.chat-header h2{font-size:15px;font-weight:600}.chat-header p{font-size:12px;color:var(--color-text-secondary);margin-top:2px}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;-webkit-overflow-scrolling:touch}.bubble{max-width:85%;padding:12px 16px;border-radius:var(--radius);font-size:15px;line-height:1.6;word-break:break-word;white-space:pre-wrap}.bubble-assistant{align-self:flex-start;background:var(--color-assistant-bg);color:var(--color-text);border-bottom-left-radius:4px}.bubble-user{align-self:flex-end;background:var(--color-user-bg);color:var(--color-user-text);border-bottom-right-radius:4px}.bubble-typing{align-self:flex-start;background:var(--color-assistant-bg);padding:12px 20px;border-radius:var(--radius);display:flex;gap:4px}.bubble-typing span{width:6px;height:6px;background:#aaa;border-radius:50%;animation:typing 1.2s infinite}.bubble-typing span:nth-child(2){animation-delay:.2s}.bubble-typing span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.options{display:flex;flex-direction:column;gap:8px;padding:0 16px 8px}.option-btn{padding:12px 16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;text-align:left;color:var(--color-text);transition:border-color .15s,background .15s}.option-btn:active:not(:disabled){border-color:var(--color-accent);background:var(--color-accent-light)}.option-btn:disabled{opacity:.5}.chat-input-bar{padding:12px 16px;border-top:1px solid var(--color-border);background:var(--color-surface);display:flex;gap:8px}.chat-input-bar input{flex:1;padding:10px 14px;border:1px solid var(--color-border);border-radius:20px;outline:none}.chat-input-bar input:focus{border-color:var(--color-accent)}.chat-input-bar button{padding:10px 18px;background:var(--color-accent);color:#fff;border-radius:20px;font-size:14px;font-weight:500}.chat-input-bar button:disabled{opacity:.5}.report.page-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:20px 20px calc(96px + var(--page-bottom-inset))}.report.report-answers-expanded{padding-bottom:calc(148px + var(--page-bottom-inset))}.report-overall{padding:20px;border-radius:var(--radius);margin-bottom:var(--report-section-gap, 20px);text-align:center}.report-overall-green{background:#e8f2eb}.report-overall-yellow{background:#faf3e0}.report-overall-red{background:#faeaea}.report-overall h3{font-size:18px;font-weight:600;margin-bottom:6px}.report-overall p{font-size:14px;color:var(--color-text-secondary)}.report-dimensions{list-style:none;margin-bottom:0}.report-dimensions li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--color-border);align-items:flex-start}.level-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;margin-top:6px}.report-dim-name{font-size:14px;font-weight:500;margin-bottom:2px}.report-dim-note{font-size:13px;color:var(--color-text-secondary);line-height:1.5}.report-disclaimer{font-size:12px;color:var(--color-text-secondary);line-height:1.7;padding:16px;background:var(--color-surface);border-radius:var(--radius-sm);border:1px solid 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0;background:none;border:none}.chat-header-center{flex:1;text-align:center}.progress-bar{height:4px;background:var(--color-border);border-radius:2px;margin:10px 20px 0;overflow:hidden}.progress-fill{height:100%;background:var(--color-accent);border-radius:2px;transition:width .3s ease}.autosave-hint{font-size:11px;color:var(--color-text-secondary);text-align:center;margin-top:6px;padding-bottom:4px}.q-edit-banner{font-size:13px;color:#8a6d3b;background:#fef6e0;padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:12px}.q-history-compact .q-history-q{display:none}.btn-prev{margin-bottom:4px}.sticky-footer{position:sticky;bottom:0;z-index:2;background:linear-gradient(to bottom,rgba(250,249,247,0) 0%,var(--color-bg) 16px);padding:12px 0 var(--page-bottom-inset);border-top:1px solid var(--color-border);margin-top:8px}.sticky-footer .btn-primary{width:100%}.report-actions{display:flex;gap:16px;justify-content:center;margin:16px 0}.btn-text,.btn-link{font-size:14px;color:var(--color-accent);background:none;border:none;padding:8px 0;text-decoration:underline;text-underline-offset:3px}.answers-review{margin:var(--report-section-gap, 20px) 0}.answers-review-list{list-style:none;margin-top:12px;padding-bottom:12px}.answers-review-item{padding:14px 0;border-bottom:1px solid var(--color-border)}.answers-review-item:last-child{border-bottom:none;padding-bottom:4px}.answers-review-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.answers-review-level{font-size:12px;font-weight:500}.answers-review-q{font-size:13px;color:var(--color-text-secondary);margin-bottom:4px}.answers-review-a{font-size:14px;font-weight:500;margin-bottom:4px}.answers-review-note{font-size:13px;color:var(--color-text-secondary);margin-bottom:4px}.answers-review-ack{font-size:12px;color:var(--color-text-secondary);margin-bottom:8px}.review{padding:0 20px calc(24px + var(--page-bottom-inset))}.review-title{font-size:20px;font-weight:600;margin-bottom:8px}.review-desc{font-size:13px;color:var(--color-text-secondary);margin-bottom:16px;line-height:1.6}.lead-page{flex:1;display:flex;flex-direction:column;overflow-y:auto;-webkit-overflow-scrolling:touch}.lead-page .page-nav{padding:12px 20px 0}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:100;padding:24px}.modal-card{background:var(--color-surface);border-radius:var(--radius);padding:24px;width:100%;max-width:360px;box-shadow:0 8px 32px #0000001f}.modal-card h3{font-size:18px;margin-bottom:8px}.modal-card p{font-size:14px;color:var(--color-text-secondary);margin-bottom:20px;line-height:1.6}.modal-card .btn-primary{margin-bottom:8px}.success-summary{width:100%;text-align:left;padding:14px 16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);margin-bottom:20px}.success-summary-label{font-size:12px;color:var(--color-text-secondary);margin-bottom:4px}.success-summary-title{font-size:15px;font-weight:600;margin-bottom:6px}.success-summary-note{font-size:13px;color:var(--color-text-secondary);line-height:1.6;margin-bottom:0!important}.success-actions{display:flex;flex-direction:column;gap:8px;width:100%;margin-top:8px}.questionnaire{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}.chat-header-row{display:flex;align-items:flex-start;gap:8px}.chat-header-center{flex:1}.btn-back-inline{font-size:13px;color:var(--color-accent);padding:4px 0;white-space:nowrap}.autosave-hint{font-size:11px;color:var(--color-text-secondary);margin-top:8px;text-align:center}.questionnaire-history{flex:1;overflow-y:auto;padding:12px 16px;-webkit-overflow-scrolling:touch;min-height:0}.q-intro-card{font-size:14px;line-height:1.7;color:var(--color-text-secondary);background:var(--color-assistant-bg);padding:14px 16px;border-radius:var(--radius);margin-bottom:12px;white-space:pre-wrap}.q-summary-card{margin-bottom:10px;padding:10px 14px;background:var(--color-surface);border-radius:var(--radius-sm);border-left:3px solid var(--color-border)}.q-summary-choice{font-size:13px;font-weight:500;line-height:1.5;margin-bottom:4px}.q-summary-ack{font-size:12px;color:var(--color-text-secondary);line-height:1.5}.q-dimension-tag{display:inline-block;font-size:11px;color:var(--color-accent);background:var(--color-accent-light);padding:2px 10px;border-radius:12px;margin-bottom:8px}.questionnaire-current-panel{flex-shrink:0;padding:12px 16px var(--page-bottom-inset);border-top:1px solid var(--color-border);background:var(--color-surface);box-shadow:0 -2px 8px #0000000a}.q-edit-banner{font-size:12px;color:var(--color-accent);background:var(--color-accent-light);padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:10px;text-align:center}.q-current-card{padding:14px 16px;background:var(--color-bg);border-radius:var(--radius);border:1px solid var(--color-border);margin-bottom:12px}.q-current-text{font-size:15px;line-height:1.7;font-weight:500;color:var(--color-ink)}.q-loading{display:flex;align-items:center;gap:10px;padding:12px 0;font-size:13px;color:var(--color-text-secondary)}.q-options-list{display:flex;flex-direction:column;gap:8px;max-height:42vh;overflow-y:auto;-webkit-overflow-scrolling:touch}.q-options-list .option-btn{display:flex;gap:6px;align-items:flex-start;line-height:1.5;padding:12px 14px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;text-align:left;transition:border-color .15s,background .15s}.q-options-list .option-btn:active:not(:disabled){border-color:var(--color-accent);background:var(--color-accent-light)}.option-btn-selected{border-color:var(--color-accent)!important;background:var(--color-accent-light)!important}.option-current-tag{font-size:12px;color:var(--color-accent);margin-left:4px}.option-id{flex-shrink:0;font-weight:600;color:var(--color-accent)}.btn-prev{margin-top:10px;font-size:14px}.report-stats{font-size:14px;font-weight:500;margin:8px 0 10px;line-height:1.6}.report-dim-level{font-size:12px;margin-left:8px;font-weight:500}.btn-review-toggle{display:block;width:100%;padding:12px;font-size:14px;color:var(--color-accent);text-align:center;border:1px dashed var(--color-border);border-radius:var(--radius-sm);margin-bottom:12px}.report-actions-secondary{text-align:center;margin-bottom:var(--report-section-gap, 20px)}.btn-text-muted{font-size:13px;color:var(--color-text-secondary);text-decoration:underline;text-underline-offset:2px}.report-section{margin-bottom:var(--report-section-gap, 20px)}.report-section-title{font-size:14px;font-weight:600;margin-bottom:10px;color:var(--color-text)}.report-risk-points{list-style:none}.report-risk-points li{padding:12px 0;border-bottom:1px solid var(--color-border)}.report-risk-points li:last-child{border-bottom:none}.report-next-step{font-size:14px;line-height:1.7;padding:14px 16px;background:#f3f1ee;border-radius:var(--radius-sm);margin-bottom:var(--report-section-gap, 20px)}