:root{--green: #4e9b91;--deep-green: #2f776f;--green-light: #e7eee9;--green-soft: #d7e7e3;--orange: #bd733f;--orange-light: #f6e8d5;--ink: #3f3f3f;--muted: #878787;--title-display: #2f2a24;--title-primary: #4a4033;--title-secondary: #6f6253;--title-tertiary: #9a8b78;--paper: #f5f2ea;--paper-light: #fbf8f2;--line: #eee5d8;--line-strong: #e3d9c8;--white: #ffffff;--danger: #f04438;--danger-light: #fff1f0;--success: #2f776f;--success-light: #eef8f5;--warning: #f0a357;--warning-light: #fff7ea;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow: 0 4px 14px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .16);--font-sans: "Source Han Sans CN", "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:var(--font-sans);color:var(--ink);background-color:var(--paper);-webkit-font-smoothing:antialiased}button{font-family:inherit}a{color:var(--green);text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 18px;font-size:14px;font-weight:600;border:none;border-radius:20px;cursor:pointer;transition:all .2s ease;line-height:1.5;background:var(--paper-light);color:var(--title-primary);border:1px solid var(--line-strong)}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.btn-primary{background:linear-gradient(135deg,var(--deep-green) 0%,var(--green) 100%);color:#fff;border-color:transparent}.btn-primary:hover{box-shadow:0 6px 16px #2f776f73}.btn-danger{background:var(--danger-light);color:var(--danger);border-color:#ffc6bd}.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--title-secondary)}.field{margin-bottom:16px}.field label{display:block;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--title-secondary)}.input,.textarea,.select{width:100%;padding:9px 12px;font-size:14px;color:var(--ink);background:var(--white);border:1px solid var(--line-strong);border-radius:var(--radius-sm);outline:none;transition:border-color .2s,box-shadow .2s}.input:focus,.textarea:focus,.select:focus{border-color:var(--green);box-shadow:0 0 0 3px #4e9b9126}.textarea{resize:vertical;line-height:1.6}.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px}.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;line-height:1.6;margin-bottom:16px}.alert-success{background:var(--success-light);color:var(--success);border:1px solid #bfe3d9}.alert-error{background:var(--danger-light);color:var(--danger);border:1px solid #ffc6bd}.alert-warning{background:var(--warning-light);color:#b05622;border:1px solid #f5d5a8}.spinner{width:28px;height:28px;border:3px solid var(--green-soft);border-top-color:var(--deep-green);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty{text-align:center;padding:48px 16px;color:var(--muted);font-size:15px}.page{min-height:100vh;padding:32px 16px;background:linear-gradient(180deg,var(--paper-light) 0%,var(--paper) 100%);display:flex;justify-content:center}.center-box{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:12vh}.muted{color:var(--muted);font-size:14px}.paper-card{width:100%;max-width:760px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:36px 32px}.wenjuan-title{font-size:24px;font-weight:700;color:var(--title-display);text-align:center;margin-bottom:8px}.wenjuan-desc{text-align:center;color:var(--title-secondary);font-size:14px;line-height:1.8;margin-bottom:24px;white-space:pre-line}.questions{display:flex;flex-direction:column;gap:18px}.question-card{background:var(--paper-light);border:1px solid var(--line);border-left:4px solid var(--green);border-radius:var(--radius);padding:18px 18px 16px}.question-title-row{display:flex;gap:10px;align-items:flex-start;margin-bottom:14px}.question-no{flex:none;width:24px;height:24px;border-radius:50%;background:var(--green);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}.question-title{flex:1;font-size:15px;font-weight:600;color:var(--title-primary);line-height:1.7}.required{flex:none;color:var(--danger);font-weight:700}.question-tigan img{max-width:100%;cursor:zoom-in;border-radius:var(--radius-sm)}.options{display:flex;flex-direction:column;gap:10px}.option-item{display:flex;flex-direction:column;gap:8px;background:var(--white);border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:10px 14px;cursor:pointer;transition:all .2s ease}.option-item:hover{border-color:var(--green)}.option-item.checked{border-color:var(--green);background:var(--success-light)}.option-main{display:flex;align-items:flex-start;gap:10px}.option-radio,.option-check{flex:none;width:18px;height:18px;margin-top:2px;border:1.5px solid var(--line-strong);background:#fff;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.option-radio{border-radius:50%}.option-check{border-radius:4px}.option-radio.on{border-color:var(--green)}.option-radio.on:after{content:"";width:10px;height:10px;border-radius:50%;background:var(--green)}.option-check.on{border-color:var(--green);background:var(--green)}.option-check.on:after{content:"✓";color:#fff;font-size:12px;font-weight:700;line-height:1}.option-content{flex:1;font-size:14px;color:var(--ink);line-height:1.7}.option-content img{max-width:100%;cursor:zoom-in;border-radius:var(--radius-sm);display:block}.other-input{width:100%;padding:8px 12px;font-size:14px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);outline:none;background:#fff}.other-input:focus{border-color:var(--green);box-shadow:0 0 0 3px #4e9b9126}.textarea-wrap{position:relative}.answer-textarea{width:100%;min-height:120px;padding:14px;font-size:15px;line-height:1.7;font-family:inherit;border:1px solid var(--line-strong);border-radius:var(--radius-sm);outline:none;resize:none;color:var(--ink);background:var(--white)}.answer-textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #4e9b9126}.char-count{position:absolute;right:12px;bottom:10px;font-size:12px;color:var(--muted);background:#ffffffeb;padding:2px 8px;border-radius:10px}.char-count.warning{color:var(--warning)}.submit-bar{margin-top:28px;text-align:center}.submit-btn{padding:12px 56px;font-size:16px}.image-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000d9;display:flex;align-items:center;justify-content:center;padding:24px}.image-modal-content{position:relative;max-width:92vw;max-height:92vh;background:#fff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-lg)}.image-modal-content img{max-width:88vw;max-height:82vh;object-fit:contain;border-radius:var(--radius-sm);display:block}.image-modal-close{position:absolute;top:4px;right:14px;font-size:30px;line-height:1;color:var(--title-primary);cursor:pointer;z-index:2}.image-modal-close:hover{color:var(--danger)}@media (max-width: 560px){.page{padding:12px 8px}.paper-card{padding:20px 14px;border-radius:var(--radius)}.wenjuan-title{font-size:20px}}