:root{--navy:#103a63;--navy2:#174f80;--gold:#f2bd3d;--green:#14845d;--ink:#172839;--muted:#667789;--line:#d8e1e9;--paper:#fff;--bg:#eef4f7;--warn:#b84c27}
*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}button,input,textarea{font:inherit}.shell{width:min(1100px,calc(100% - 32px));margin:auto}.welcome-shell,.success-shell{min-height:100vh;display:grid;align-content:center;gap:24px;padding:32px 0}.brand-panel{display:flex;align-items:center;gap:12px;color:var(--navy)}.brand-panel small{display:block;color:var(--muted)}.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:8px;background:var(--navy);color:#fff;font-weight:800}.welcome-card,.success-card,.identity-card,.question-stage{background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 32px rgba(16,58,99,.08)}.welcome-card,.success-card{padding:40px}.eyebrow{margin:0 0 6px;color:var(--navy2);font-size:14px;font-weight:700}.welcome-card h1,.success-card h1{margin:0 0 16px;font-size:34px;letter-spacing:0}.lead{font-size:17px;color:#42576b;max-width:760px}.project-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0}.project-summary div{padding:16px;background:#f6f9fb;border-top:3px solid var(--navy2)}.project-summary span,.download-box span{display:block;color:var(--muted);font-size:13px}.project-summary strong{display:block;margin-top:5px}.notice{padding:16px 18px;background:#fff8df;border-left:4px solid var(--gold)}.notice p{margin:4px 0 0}.actions,.question-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.button{border:0;border-radius:6px;padding:11px 20px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.button-primary{background:var(--navy);color:#fff}.button-accent{background:var(--gold);color:#2f2a17}.button-secondary{background:#dfe9f0;color:var(--navy)}.button-light{background:#f3f6f8;color:#39536a;border:1px solid var(--line)}.button:disabled{opacity:.45;cursor:not-allowed}.sticky-progress{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 14px rgba(16,58,99,.08)}.progress-inner{width:min(1100px,calc(100% - 32px));height:72px;margin:auto;display:grid;grid-template-columns:minmax(250px,1fr) minmax(240px,1.5fr) minmax(170px,.7fr);align-items:center;gap:18px}.progress-copy strong,.progress-copy span{display:block}.progress-copy span,.progress-inner small{color:var(--muted);font-size:13px}.progress-track,.mini-track{height:9px;background:#dbe7eb;border-radius:99px;overflow:hidden}.progress-track span,.mini-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,#17a273,#38b795);transition:width .2s}.questionnaire-shell{padding:22px 0 48px}.section-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:16px}.step{padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted);font-size:13px}.step strong,.step span{display:block}.step.active{border-color:var(--navy2);box-shadow:inset 0 0 0 1px var(--navy2);color:var(--navy)}.step.done{background:#e9f7f1;border-color:#76bea3;color:#136746}.identity-card,.question-stage{padding:24px;margin-bottom:18px}.section-heading{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.section-heading h1{margin:0 0 16px;font-size:24px}.status-badge{padding:5px 10px;border-radius:99px;background:#eef2f5;color:var(--muted);font-size:12px;font-weight:700}.status-badge.done{background:#e4f5ed;color:#126747}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}label{display:block;font-weight:700;font-size:14px;color:#334d63}input,textarea{width:100%;margin-top:5px;border:1px solid #becbd5;border-radius:5px;padding:10px 11px;background:#fff;color:var(--ink)}input[readonly]{background:#f1f5f7;color:#52697b}.module-banner{padding:16px 18px;border-left:5px solid var(--gold);background:#fff8df;margin-bottom:14px}.module-banner h2{margin:0 0 3px;font-size:22px}.module-banner p{margin:0;color:#53687a}.module-banner.complexity{border-color:#4c86ba;background:#eef6fc}.module-banner.preference{border-color:#8066b6;background:#f5f1fb}.module-banner.support{border-color:#2d9674;background:#ecf8f3}.page-status{display:grid;grid-template-columns:1fr 220px;gap:14px;align-items:center;margin:10px 0 16px}.page-status div:first-child{display:flex;justify-content:space-between}.page-status span{color:var(--muted);font-size:13px}.friendly-alert{padding:12px 14px;background:#fff1e9;border-left:4px solid var(--warn);color:#8c351b;margin-bottom:14px}.question-card{position:relative;padding:18px 18px 16px 54px;border:1px solid var(--line);border-radius:7px;margin:0 0 12px;background:#fff;transition:border-color .15s,box-shadow .15s}.question-card:hover,.question-card:focus-within{border-color:#5d8db5;box-shadow:0 7px 18px rgba(20,66,103,.08)}.question-card.answered{border-left:5px solid var(--green);background:#f3fbf7}.question-card.missing{border:2px solid #d7673c;background:#fff7f2}.question-number{position:absolute;left:14px;top:17px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#e7edf1;color:#526779;font-size:13px;font-weight:800}.answered .question-number{background:var(--green);color:#fff}.missing .question-number{background:#d7673c;color:#fff}.question-prompt{margin:0 90px 12px 0;font-size:16px;font-weight:700;line-height:1.55}.answer-badge{position:absolute;right:16px;top:16px;font-size:12px;color:var(--green);font-weight:800;display:none}.answered .answer-badge{display:block}.missing-message{display:none;color:#a13d20;font-size:13px;font-weight:700;margin-top:8px}.missing .missing-message{display:block}.options{display:grid;gap:7px}.option{position:relative;display:flex;gap:10px;align-items:flex-start;padding:10px 38px 10px 12px;border:1px solid #d4dde5;border-radius:6px;background:#fbfcfd;font-weight:400;cursor:pointer}.option:hover{background:#f2f7fb;border-color:#8aabc5}.option.selected{border:2px solid var(--navy2);background:#edf5fb;color:#123c61}.option.selected:after{content:"✓";position:absolute;right:12px;top:9px;font-weight:900;color:var(--navy2)}.option input{width:auto;margin:4px 0 0}.question-actions{position:sticky;bottom:10px;padding:12px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:7px;box-shadow:0 8px 24px rgba(16,58,99,.12);justify-content:flex-end}.success-card{text-align:center;max-width:720px;margin:auto}.success-icon{display:grid;place-items:center;width:64px;height:64px;margin:0 auto 14px;border-radius:50%;background:#e4f5ed;color:var(--green);font-size:34px;font-weight:900}.download-box{margin:24px 0;padding:18px;background:#f5f8fa;border:1px solid var(--line);text-align:left}.download-box p,.privacy-note{color:var(--muted);font-size:13px}.download-box strong{word-break:break-all}
@media(max-width:800px){.project-summary,.form-grid,.section-steps{grid-template-columns:1fr 1fr}.progress-inner{height:auto;min-height:76px;padding:9px 0;grid-template-columns:1fr}.progress-inner small{display:none}.page-status{grid-template-columns:1fr}.question-actions{position:static}.welcome-card,.success-card{padding:26px}.question-card{padding-right:14px}.question-prompt{margin-right:0;padding-top:20px}.answer-badge{top:10px}}
@media(max-width:520px){.shell{width:min(100% - 20px,1100px)}.project-summary,.form-grid,.section-steps{grid-template-columns:1fr}.welcome-card h1{font-size:28px}.questionnaire-shell{padding-top:12px}.identity-card,.question-stage{padding:16px}.question-card{padding-left:48px}.question-actions .button{width:100%}}
.project-summary{grid-template-columns:minmax(210px,.8fr) minmax(170px,.6fr) minmax(320px,1.6fr)}
.project-summary .summary-guide{border-top-color:var(--gold);background:#fffaf0}
.success-actions{justify-content:center}
@media(max-width:800px){.project-summary{grid-template-columns:1fr 1fr}.project-summary .summary-guide{grid-column:1/-1}}
@media(max-width:520px){.project-summary{grid-template-columns:1fr}.project-summary .summary-guide{grid-column:auto}}