:root{
  --ink:#1e2a2f;--muted:#64736f;
  --primary:#0f4f46;--primary-dark:#0a3a33;--primary-soft:#e7efe9;
  --brass:#a87e37;--brass-deep:#8a6526;--brass-soft:#f6efe0;
  --paper:#f7f6f1;--line:#e2dfd4;--light:#eef2ec;--white:#fff;
  --danger:#a53f32;--shadow:0 1px 2px rgba(30,42,47,.05),0 14px 36px rgba(30,42,47,.07);
  --serif:Georgia,"Times New Roman","Songti SC","STSong","SimSun",serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
button,input,textarea,select{font:inherit}
button,a,input,textarea,select,summary{touch-action:manipulation}
button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}
button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #d9bd85;outline-offset:3px}
[hidden]{display:none!important}

/* ---------- top bar ---------- */
.topbar{max-width:1240px;margin:0 auto;padding:26px 36px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:18px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:700;letter-spacing:.05em;font-family:var(--serif);font-size:16px}
.brand:hover{text-decoration:none}
.brand-icon{display:grid;place-items:center;width:36px;height:36px;color:#f4ead2;background:linear-gradient(160deg,#125c51,#0a3a33);border-radius:10px 10px 10px 2px;font-family:var(--serif);font-size:23px;font-weight:700;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.topbar nav{display:flex;align-items:center;gap:24px;font-size:13px}
.link-button,.text-button{border:0;background:none;padding:4px 0;color:var(--primary);font-weight:600}
.text-button:hover,.link-button:hover{color:var(--primary-dark)}

/* ---------- layout ---------- */
.shell{max-width:1168px;margin:0 auto;padding:44px 28px 72px}
.hero{padding:20px 0 46px;max-width:780px}
.eyebrow,.step{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--brass-deep);text-transform:uppercase}
.hero h1{font-family:var(--serif);font-weight:500;letter-spacing:-.015em;font-size:56px;line-height:1.22;margin:16px 0 22px}
.hero-sub{max-width:620px;font-size:16px;line-height:1.95;color:var(--muted)}
.trust-row{display:flex;gap:20px;flex-wrap:wrap;color:var(--primary);font-size:12px;margin-top:26px}
.trust-row span::before{content:'✓';padding-right:7px;color:var(--brass)}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:26px;align-items:start}
.card{background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.form-card{padding:32px 34px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}
.section-heading h2{margin:4px 0 0}
h2{font-size:23px;line-height:1.5;font-weight:600;letter-spacing:-.02em}
h3{font-size:15px;margin:0 0 8px;font-weight:650}
p{margin:10px 0 16px}
.muted{color:var(--muted)}
.small,small{font-size:12px}
.wide{width:100%}

/* ---------- 三步引导 ---------- */
.step-strip{display:flex;gap:0;flex-wrap:wrap;align-items:stretch;margin:26px 0 0;padding:0;list-style:none}
.step-strip li{flex:1 1 180px;display:flex;gap:12px;align-items:flex-start;padding:14px 18px 14px 14px;background:var(--white);border:1px solid var(--line);border-radius:14px;position:relative}
.step-strip li+li{margin-left:14px}
.step-strip li+li::before{content:'';position:absolute;left:-15px;top:50%;width:14px;height:1px;background:var(--line)}
.step-num{flex:none;display:grid;place-items:center;width:26px;height:26px;margin-top:2px;border-radius:50%;background:var(--primary);color:#f2ead6;font-family:var(--serif);font-size:14px;font-weight:700}
.step-strip b{display:block;font-size:13px;font-weight:650;line-height:1.5}
.step-strip span{display:block;font-size:11px;color:var(--muted);line-height:1.7}

/* ---------- forms ---------- */
label{display:block;font-size:13px;font-weight:600;margin:18px 0 8px}
label .muted{font-weight:400;font-size:11px;padding-left:5px}
input:not([type=checkbox]):not([type=file]),textarea,select{width:100%;border:1px solid var(--line);border-radius:9px;background:#fcfbf8;padding:12px 13px;color:var(--ink);outline:none;transition:border-color .15s ease,box-shadow .15s ease}
textarea{resize:vertical;min-height:90px;line-height:1.75}
input:hover,textarea:hover,select:hover{border-color:#c9c5b4}
input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,79,70,.09)}
input[type=checkbox]{accent-color:var(--primary);width:17px;height:17px;margin:3px 0 0;flex-shrink:0}
input[type=date]{min-height:48px}
.field-hint{display:flex;justify-content:space-between;gap:12px;font-size:10px;color:var(--muted);margin-top:6px}
.upload-box{border:1.5px dashed #c8c3b0;border-radius:11px;padding:18px;display:flex;gap:13px;align-items:center;cursor:pointer;font-weight:400;background:#fcfbf7;transition:border-color .15s ease,background .15s ease}
.upload-box:hover{border-color:var(--primary);background:#f7faf6}
.upload-box input{position:absolute;opacity:0;width:1px;height:1px}
.upload-box:focus-within{outline:3px solid #d9bd85}
.upload-box strong{display:block;font-size:13px}
.upload-box small{display:block;font-size:10px;color:var(--muted);margin-top:3px}
.upload-icon{font-size:25px;color:var(--brass)}
.upload-status{font-size:12px;color:var(--muted)}
.optional-fields{margin:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0}
summary{cursor:pointer;color:var(--ink);font-size:13px;font-weight:600}
summary span{float:right;font-size:11px;font-weight:400;color:var(--muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.two-col>*{min-width:0}
.check{display:flex;align-items:flex-start;gap:10px;font-weight:400;font-size:12px;line-height:1.8;margin:18px 0}
.check small{display:block;color:var(--muted);font-size:10px;margin-top:4px}
.check a{text-decoration:underline}
.consent-panel{background:var(--brass-soft);border-radius:11px;padding:3px 15px}

/* ---------- buttons ---------- */
.button{border:1px solid transparent;border-radius:9px;padding:12px 19px;font-weight:600;font-size:13px;transition:background .15s ease,transform .06s ease;display:inline-flex;align-items:center;justify-content:center;gap:9px}
.button:active:not(:disabled){transform:translateY(1px)}
.primary{background:linear-gradient(180deg,#12584d,var(--primary) 55%,#0d453e);color:#f5f1e4;box-shadow:0 1px 0 rgba(255,255,255,.10) inset,0 6px 16px rgba(15,79,70,.22)}
.primary:hover:not(:disabled){background:linear-gradient(180deg,#0d4f45,var(--primary-dark) 60%)}
.secondary{background:var(--white);color:var(--ink);border-color:var(--line)}
.secondary:hover:not(:disabled){background:var(--light);border-color:#c9c5b4}
.footnote{font-size:10px;color:var(--muted);line-height:1.8;margin:12px 0 0}

/* ---------- sidebar ---------- */
.side-card{padding:28px}
.side-card h2{font-size:20px;margin:9px 0 27px}
.benefit{display:flex;gap:17px;margin-bottom:25px}
.benefit:last-child{margin-bottom:0}
.benefit>span{color:var(--brass);font-size:12px;font-family:var(--serif);margin-top:2px;font-weight:700}
.benefit h3{font-size:13px;margin-bottom:5px}
.benefit p{font-size:12px;color:var(--muted);margin:0;line-height:1.85}
.soft-card{background:var(--light);border:1px solid #dfe7dd;border-radius:15px;padding:27px;margin-top:20px}
.soft-card p{font-size:12px;color:#48625a}
.soft-card h3{font-size:15px}

/* ---------- messages ---------- */
.message,.notice{border:1px solid #e5d9bd;background:#faf6ea;color:#6f5a26;border-radius:11px;padding:14px 16px;font-size:13px;margin:15px 0}
.message{border-color:#e8c9c2;background:#fdf5f2;color:var(--danger)}
.success{color:#0d4a41;border-color:#c6dfd2;background:#eef7f1}
.warning{margin-top:25px}
.warning h3{margin:0 0 10px}
.warning li{font-size:12px;line-height:1.9;margin-bottom:6px}
.danger-text{color:var(--danger)}
.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

/* ---------- history ---------- */
.history{margin-top:32px;padding:26px}
.history-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
footer{max-width:1168px;margin:0 auto;border-top:1px solid var(--line);padding:22px 28px;display:flex;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted)}

/* ---------- report page ---------- */
.page-title{font-family:var(--serif);font-weight:500;font-size:37px;line-height:1.32;letter-spacing:-.01em;margin:15px 0 30px}
.report-shell{max-width:1010px}
.report-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:18px}
.badge{display:inline-block;background:var(--primary-soft);color:var(--primary-dark);font-size:11px;padding:5px 10px;border-radius:6px;font-weight:600;letter-spacing:.02em}
.badge.experiment{color:#8a5326;background:#f6ecda}
.badge.uncertain{color:#6d6134;background:#f2eed6}
.summary-card{padding:26px 32px;background:linear-gradient(180deg,#ffffff,#fcfbf7)}
.summary-card h2{font-size:18px;margin:0}
.summary-card p{margin-bottom:0}
.report-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:22px 0 26px}
.report-item{padding:26px 30px;margin-bottom:20px;overflow-wrap:anywhere}
.item-top{display:flex;justify-content:space-between;align-items:center;gap:14px}
.report-item blockquote{margin:20px 0;padding:15px 17px;border-left:3px solid var(--brass);background:#faf8f1;color:#4d5c57;font-size:13px;white-space:pre-wrap}
.meaning{font-weight:500}
.report-item section{margin-top:14px}
.report-item h3{font-size:13px;color:var(--primary-dark)}
.report-item ul{padding-left:18px;font-size:13px;color:#44554f;margin:8px 0 15px}
.report-item li{margin-bottom:7px}
.report-item details{border-top:1px solid var(--line);padding-top:16px;margin-top:12px}
.report-item details p{font-size:12px;color:var(--muted)}
.consultation{padding:30px;margin-top:35px}
.consultation h2{margin-top:8px}
.consultation fieldset{border:0;padding:0;margin:20px 0}
.consultation legend{font-size:13px;font-weight:600}
.issue-choice{border:1px solid var(--line);padding:12px 13px;border-radius:9px;margin:10px 0;font-size:12px;transition:border-color .15s ease,background .15s ease}
.issue-choice:hover{border-color:var(--primary);background:#fafcf9}
.bottom-actions{display:flex;justify-content:space-between;margin-top:28px;gap:20px}

/* ---------- prose / privacy ---------- */
.prose{max-width:850px;margin:36px auto;padding:42px 48px}
.prose h2{font-size:20px;margin-top:28px}
.prose p{font-size:14px;line-height:2;color:#4b5f59}

/* ---------- admin ---------- */
.login-card{max-width:460px;margin:40px auto 90px;padding:38px}
.login-card h1{font-family:var(--serif);font-weight:500;font-size:29px;margin:12px 0}
.login-card .button{margin-top:22px}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0}
.metric{padding:20px 22px;display:flex;flex-direction:column}
.metric strong{font-family:var(--serif);font-size:26px;line-height:1.3;margin-top:12px;font-weight:600}
.filters{display:flex;align-items:end;gap:18px;flex-wrap:wrap;margin:23px 0}
.filters label{min-width:130px;margin:0}
.filters select{margin-top:5px;padding:9px 12px}
.filters>span{padding-bottom:8px}
.button-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.table-card{overflow:hidden}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:12px;text-align:left;white-space:nowrap}
thead{background:var(--light)}
th{font-weight:600;padding:15px 20px;letter-spacing:.02em}
td{border-top:1px solid var(--line);padding:18px 20px}
td small{display:block;margin-top:3px}
.pagination{display:flex;justify-content:center;align-items:center;gap:24px;padding:20px;font-size:12px}
.detail-card{margin-top:28px;padding:30px;scroll-margin-top:20px}
.detail-card details{border-top:1px solid var(--line);padding:16px 0;margin-top:15px}
.detail-card #update-form{margin:16px 0 25px}
.plain-block{font-family:inherit;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;background:#faf9f4;border-radius:9px;padding:17px;max-height:400px;overflow:auto}
.evidence-image{max-width:100%;max-height:700px;object-fit:contain;border:1px solid var(--line);border-radius:8px}
.note{border-left:2px solid var(--brass);padding:8px 0 8px 16px;margin-top:16px}
.note p{font-size:13px;white-space:pre-wrap;margin-bottom:0}
.audit-card{margin-top:25px;padding:22px}
.audit-card .button{margin:16px 0}
.audit-line{overflow-wrap:anywhere}
.detail-card .report-item{padding:18px;box-shadow:none}
#contact-detail p{font-size:13px;overflow-wrap:anywhere;white-space:pre-wrap}
.admin-body .shell{max-width:1260px}

/* ---------- responsive ---------- */
@media(max-width:900px){.workspace{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:20px}.soft-card{margin-top:0}.hero h1{font-size:46px}.metric-grid{grid-template-columns:repeat(2,1fr)}.section-heading .button-row{max-width:200px}.step-strip li+li{margin-left:0;margin-top:12px}.step-strip li+li::before{display:none}.step-strip li{flex:1 1 100%}}
@media(max-width:600px){.topbar{padding:17px 18px}.topbar nav{gap:13px;font-size:11px}.brand{font-size:13px;gap:7px}.brand-icon{width:30px;height:30px;font-size:19px}.shell{padding:24px 18px 45px}.hero{padding:10px 0 28px}.hero h1{font-size:40px}.hero-sub{font-size:14px}.form-card{padding:23px 20px}.section-heading{align-items:start}.section-heading h2{font-size:21px}.two-col{grid-template-columns:1fr}.sidebar{grid-template-columns:1fr}.side-card{padding:23px}.trust-row{gap:13px;font-size:10px}.page-title{font-size:28px}.summary-card,.report-item,.consultation,.detail-card{padding:22px 20px}.report-toolbar{gap:8px}.report-toolbar .button{font-size:11px;padding:10px 13px}.report-meta{gap:10px}.bottom-actions{flex-direction:column}.prose{margin:20px 18px;padding:25px}.metric-grid{gap:10px}.metric{padding:16px}.metric strong{font-size:22px}.filters{gap:12px}.section-heading{flex-wrap:wrap}.section-heading .button-row{max-width:none}.pagination{gap:14px}.login-card{padding:26px;margin:25px auto}.field-hint{font-size:9px}footer{padding:20px 18px;flex-wrap:wrap}th,td{padding:13px}.upload-box small{font-size:9px}.step-strip li{padding:12px}}
@media print{body{background:white;color:black;font-size:11px}.topbar,footer,.report-toolbar,.consultation,.bottom-actions,#report-message{display:none!important}.shell{padding:0;max-width:none}.page-title{font-size:25px;break-after:avoid}.card{box-shadow:none;border:1px solid #ccc;border-radius:0}.report-item{break-inside:avoid}.report-item details{display:block}.report-item details>*{display:block}.two-col{grid-template-columns:1fr 1fr}.notice{background:white}.summary-card h2{font-size:16px}}