:root{
  --green-950:#052e24;--green-900:#064e3b;--green-800:#065f46;--green-700:#047857;
  --green-500:#10b981;--green-300:#6ee7b7;--green-100:#d1fae5;--green-50:#ecfdf5;
  --ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--paper:#fff;--bg:#f5f8f7;
  --amber:#b45309;--amber-bg:#fffbeb;--red:#b91c1c;--red-bg:#fef2f2;
  font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit}
.platform-nav{position:fixed;top:18px;right:24px;z-index:1000;display:flex;gap:7px;align-items:center;padding:5px;border:1px solid rgba(255,255,255,.26);border-radius:16px;background:rgba(3,40,30,.68);box-shadow:0 10px 30px rgba(0,0,0,.16);backdrop-filter:blur(14px)}
.platform-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 13px;border-radius:11px;color:#d1fae5;text-decoration:none;font-size:12px;font-weight:850;white-space:nowrap;transition:.2s}
.platform-nav a:hover{background:rgba(255,255,255,.12);color:#fff}.platform-nav a.active{background:#fff;color:var(--green-800);box-shadow:0 4px 14px rgba(0,0,0,.12)}
.page{min-height:100vh}.hero{min-height:510px;padding:92px 28px 54px;color:#fff;background:linear-gradient(105deg,rgba(2,38,29,.95) 0%,rgba(3,72,53,.82) 42%,rgba(2,44,36,.42) 72%,rgba(0,0,0,.18) 100%),url('/static/common/platform-hero.jpg') center 62%/cover no-repeat;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:auto -80px -190px 45%;height:380px;border:1px solid rgba(255,255,255,.12);border-radius:50%;transform:rotate(-8deg);box-shadow:0 0 0 42px rgba(255,255,255,.025),0 0 0 86px rgba(255,255,255,.018)}
.hero-inner{width:min(1260px,100%);margin:0 auto;position:relative;z-index:1}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(167,243,208,.28);border-radius:999px;background:rgba(3,40,30,.34);color:#d1fae5;font-size:10px;font-weight:900;letter-spacing:.10em}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 12px #34d399}.hero h1{margin:22px 0 16px;font-size:clamp(42px,6.2vw,76px);line-height:1.04;letter-spacing:-2px}.hero-sub{max-width:860px;margin:0;color:#d8f3e8;font-size:15px;line-height:1.9;font-weight:580}.hero-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:930px;margin-top:34px}.hero-metric{padding:17px 18px;border:1px solid rgba(255,255,255,.15);border-radius:18px;background:rgba(2,44,32,.45);backdrop-filter:blur(10px)}.hero-metric span,.hero-metric small{display:block}.hero-metric span{color:#bbf7d0;font-size:10px;font-weight:800;letter-spacing:.08em}.hero-metric strong{display:block;margin:5px 0 3px;font-size:27px}.hero-metric small{color:#d1fae5;font-size:10px}
.content-shell{width:min(1260px,calc(100% - 40px));margin:-36px auto 0;position:relative;z-index:5;padding-bottom:80px}.workspace-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:20px}.panel,.result-card{background:#fff;border:1px solid #e4ebe8;border-radius:24px;box-shadow:0 16px 48px rgba(15,64,48,.08)}.panel{padding:27px}.panel-heading{display:flex;justify-content:space-between;gap:18px;margin-bottom:22px}.step{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:23px;padding:0 9px;border-radius:999px;background:var(--green-50);color:var(--green-700);font-size:10px;font-weight:900}.panel h2,.section-title-row h2{margin:9px 0 6px;font-size:22px;letter-spacing:-.4px}.panel p,.section-title-row p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}.muted{opacity:.62}.dropzone{min-height:250px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px;border:1.5px dashed #8dd8b9;border-radius:20px;background:linear-gradient(180deg,#fbfffd,#f1fbf6);transition:.2s}.dropzone.dragging{border-color:var(--green-500);background:#e9fbf2}.dropzone input{display:none}.drop-icon{display:flex;align-items:center;justify-content:center;width:54px;height:54px;margin-bottom:15px;border-radius:17px;background:var(--green-800);color:#fff;font-weight:900;box-shadow:0 10px 24px rgba(4,120,87,.2)}.dropzone strong{font-size:14px}.dropzone span{max-width:380px;margin-top:8px;color:var(--muted);font-size:11px;line-height:1.7}.file-info{display:flex;align-items:center;gap:13px;margin-top:14px;padding:14px;border:1px solid var(--line);border-radius:16px}.file-badge{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:13px;background:#ecfdf5;color:#047857;font-size:11px;font-weight:900}.file-meta-main{min-width:0;flex:1}.file-meta-main strong,.file-meta-main span{display:block}.file-meta-main strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.file-meta-main span{margin-top:4px;color:var(--muted);font-size:10px}.text-btn{border:0;background:transparent;color:var(--green-700);font-size:11px;font-weight:800}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field-wide{grid-column:1/-1}.field-label{font-size:12px;font-weight:850}.field small{color:var(--muted);font-size:10px;line-height:1.6}.field select{width:100%;height:45px;padding:0 12px;border:1px solid #d9e3df;border-radius:13px;background:#fff;color:var(--ink);outline:none}.field select:focus{border-color:#34d399;box-shadow:0 0 0 3px rgba(52,211,153,.12)}.toggle-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.toggle-option,.choice{border:1px solid #dce6e2;background:#fff;color:var(--ink);transition:.18s}.toggle-option{height:42px;border-radius:12px;font-size:11px;font-weight:800}.toggle-option.active,.choice.active{border-color:#34d399;background:#ecfdf5;color:#047857;box-shadow:0 0 0 2px rgba(52,211,153,.08)}.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.choice{min-height:74px;padding:12px;border-radius:14px;text-align:left}.choice b,.choice span{display:block}.choice b{font-size:12px}.choice span{margin-top:5px;color:var(--muted);font-size:9px;line-height:1.45}.primary-btn{width:100%;height:49px;margin-top:20px;border:0;border-radius:14px;background:linear-gradient(135deg,#047857,#059669);color:#fff;font-weight:900;box-shadow:0 10px 22px rgba(4,120,87,.18)}.primary-btn:disabled{cursor:not-allowed;opacity:.46}.primary-btn.loading{position:relative;color:transparent}.primary-btn.loading:after{content:"";position:absolute;left:50%;top:50%;width:17px;height:17px;margin:-9px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.results{margin-top:54px}.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-title-row.compact{margin-top:60px}.section-kicker{color:var(--green-700);font-size:10px;font-weight:900;letter-spacing:.12em}.outline-btn{height:38px;padding:0 14px;border:1px solid #cfdcd7;border-radius:11px;background:#fff;color:var(--green-800);font-size:11px;font-weight:800}.diagnosis-hero{display:grid;grid-template-columns:1fr 220px;gap:18px;padding:28px;border-radius:24px;background:linear-gradient(128deg,#052e24,#075f46 68%,#0a7758);color:#fff;box-shadow:0 18px 42px rgba(4,78,59,.2)}.diagnosis-label{font-size:10px;color:#a7f3d0;font-weight:850;letter-spacing:.08em}.diagnosis-title{margin:8px 0 5px;font-size:34px;font-weight:950;letter-spacing:-.8px}.diagnosis-path{font-size:12px;color:#d1fae5;font-weight:750}.diagnosis-main p{max-width:760px;margin:15px 0 0;color:#d8f3e8;font-size:11px;line-height:1.8}.confidence-card{display:flex;flex-direction:column;justify-content:center;padding:20px;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:rgba(2,44,32,.36)}.confidence-card span{color:#a7f3d0;font-size:10px;font-weight:850}.confidence-card strong{margin:6px 0;font-size:32px}.confidence-card small{color:#d1fae5;font-size:10px;line-height:1.5}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:16px}.metric-card{padding:19px;border:1px solid #e0ebe6;border-radius:18px;background:#fff}.metric-card span,.metric-card small{display:block}.metric-card span{color:var(--muted);font-size:10px;font-weight:800}.metric-card strong{display:block;margin:7px 0 5px;font-size:25px}.metric-card small{color:#94a3b8;font-size:9px;line-height:1.5}.result-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:16px;margin-top:16px}.result-card{padding:22px}.result-card-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:16px}.result-card-head span{color:var(--green-700);font-size:9px;font-weight:900;letter-spacing:.08em}.result-card-head h3{margin:5px 0 0;font-size:16px}.result-card-head small{color:var(--muted);font-size:9px}.compartment-result{display:grid;gap:10px}.comp-row{display:grid;grid-template-columns:80px 1fr 54px;gap:10px;align-items:center}.comp-row b{font-size:11px}.bar-track{height:9px;border-radius:999px;background:#edf2f0;overflow:hidden}.bar-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,#10b981,#047857)}.comp-row span{font-size:10px;text-align:right;color:var(--muted)}.metric-details{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.detail-item{padding:13px;border:1px solid #e7eeeb;border-radius:14px;background:#fafcfb}.detail-item span,.detail-item strong{display:block}.detail-item span{font-size:9px;color:var(--muted)}.detail-item strong{margin-top:4px;font-size:15px}.full-card{margin-top:16px}.candidate-bars{display:grid;gap:9px;margin-bottom:18px}.candidate-bar-row{display:grid;grid-template-columns:minmax(150px,220px) 1fr 58px;gap:10px;align-items:center}.candidate-bar-row b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}.candidate-bar-row .bar-track{height:10px}.candidate-bar-row span{font-size:10px;color:var(--muted);text-align:right}.table-wrap{overflow:auto;border:1px solid #edf1ef;border-radius:15px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:11px 12px;border-bottom:1px solid #edf1ef;text-align:left;font-size:10px}th{background:#f8fbf9;color:#64748b;font-weight:850}tbody tr:last-child td{border-bottom:0}tbody tr:first-child{background:#f0fdf4}.disclaimer{margin-top:16px;padding:16px 18px;border-left:3px solid #10b981;border-radius:0 14px 14px 0;background:#f0fdf4;color:#50635d;font-size:10px;line-height:1.8}.alert{margin-bottom:16px;padding:14px 16px;border-radius:14px;font-size:11px;line-height:1.65}.alert.error{border:1px solid #fecaca;background:var(--red-bg);color:var(--red)}.alert.warning{margin-top:16px;border:1px solid #fde68a;background:var(--amber-bg);color:var(--amber)}.guide-section{margin-top:50px;padding-top:10px}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.guide-grid article{padding:21px;border:1px solid #e2ebe7;border-radius:18px;background:#fff}.guide-grid article>b{display:flex;align-items:center;justify-content:center;width:27px;height:27px;border-radius:9px;background:#ecfdf5;color:#047857;font-size:11px}.guide-grid h3{margin:13px 0 7px;font-size:13px}.guide-grid p{margin:0;color:var(--muted);font-size:10px;line-height:1.75}.hidden{display:none!important}
@media(max-width:980px){.workspace-grid,.result-grid{grid-template-columns:1fr}.hero-metrics,.metric-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}.diagnosis-hero{grid-template-columns:1fr}.confidence-card{max-width:none}.choice-grid{grid-template-columns:1fr}.hero{min-height:560px}}
@media(max-width:680px){.platform-nav{top:10px;right:10px;left:10px;overflow-x:auto;justify-content:flex-start}.platform-nav a{font-size:10px;min-height:34px;padding:0 10px}.hero{padding:92px 20px 44px}.hero h1{font-size:40px;letter-spacing:-1px}.content-shell{width:min(100% - 24px,1260px);margin-top:-24px}.panel{padding:20px}.hero-metrics,.metric-grid,.guide-grid{grid-template-columns:1fr 1fr}.diagnosis-title{font-size:27px}.candidate-bar-row{grid-template-columns:130px 1fr 48px}.section-title-row{align-items:flex-start;flex-direction:column}.form-grid{grid-template-columns:1fr}}

/* ===== v0.2: hierarchical stress-class layer ===== */
.diagnostic-pathway{display:grid;grid-template-columns:1fr 42px 1fr 42px 1fr;gap:10px;align-items:stretch;margin-top:16px;padding:14px;border:1px solid #dfeae5;border-radius:20px;background:linear-gradient(135deg,#f8fcfa,#f0f9f5)}
.path-node{min-width:0;padding:15px 16px;border:1px solid #e2ebe7;border-radius:16px;background:#fff;box-shadow:0 5px 18px rgba(15,23,42,.035)}
.path-node.emphasis{border-color:#a7f3d0;background:#f0fdf4}
.path-node span,.path-node small,.path-node strong{display:block}.path-node span{color:#047857;font-size:9px;font-weight:900;letter-spacing:.08em}.path-node small{margin-top:3px;color:#64748b;font-size:9px}.path-node strong{margin-top:7px;font-size:16px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.path-arrow{display:flex;align-items:center;justify-content:center;color:#059669;font-size:22px;font-weight:900}
.three-layer-grid{grid-template-columns:.88fr 1.02fr 1.18fr}
.stress-class-result{display:grid;gap:11px}.class-row{display:grid;grid-template-columns:minmax(86px,112px) 1fr 54px;gap:10px;align-items:center;padding:8px 0}.class-row.is-top{padding:10px;border-radius:12px;background:#f8fcfa}.class-label{display:flex;align-items:center;gap:7px;min-width:0}.class-label b{font-size:11px;white-space:nowrap}.class-dot{flex:0 0 8px;width:8px;height:8px;border-radius:50%}.class-dot.biotic{background:#059669}.class-dot.abiotic{background:#64748b}.class-dot.healthy{background:#22c55e}.class-fill.biotic{background:linear-gradient(90deg,#10b981,#047857)}.class-fill.abiotic{background:linear-gradient(90deg,#94a3b8,#475569)}.class-fill.healthy{background:linear-gradient(90deg,#86efac,#16a34a)}.class-row>span{font-size:10px;color:#64748b;text-align:right}.class-note{margin-top:13px;padding:11px 12px;border-radius:12px;background:#f8faf9;color:#52645e;font-size:9px;line-height:1.65;border:1px solid #e8efec}
@media(max-width:1180px){.three-layer-grid{grid-template-columns:1fr 1fr}.three-layer-grid>.result-card:last-child{grid-column:1/-1}.diagnostic-pathway{grid-template-columns:1fr 34px 1fr 34px 1fr}}
@media(max-width:760px){.diagnostic-pathway{grid-template-columns:1fr}.path-arrow{transform:rotate(90deg);height:22px}.three-layer-grid{grid-template-columns:1fr}.three-layer-grid>.result-card:last-child{grid-column:auto}.path-node strong{white-space:normal}.class-row{grid-template-columns:100px 1fr 48px}}


/* ===== v0.3: bottom usage + schematic sections ===== */
.usage-section .section-title-row p,.schematic-section .section-title-row p{margin:8px 0 0;color:var(--muted);font-size:11px;line-height:1.7}
.usage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.usage-card{padding:22px;border:1px solid #e2ebe7;border-radius:18px;background:#fff;box-shadow:0 8px 22px rgba(15,23,42,.035)}
.usage-step{display:inline-flex;align-items:center;justify-content:center;min-height:26px;padding:0 10px;border-radius:999px;background:#ecfdf5;color:#047857;font-size:10px;font-weight:900;letter-spacing:.06em}
.usage-card h3{margin:12px 0 8px;font-size:15px;line-height:1.35}
.usage-card p{margin:0;color:var(--muted);font-size:10px;line-height:1.8}
.usage-card code{padding:2px 6px;border-radius:6px;background:#f3f4f6;color:#0f172a;font-size:10px}
.usage-note{margin-top:16px;padding:15px 18px;border-left:4px solid #10b981;border-radius:0 16px 16px 0;background:#f0fdf4;color:#4b635b;font-size:10px;line-height:1.85}
.schematic-card{padding:18px;border:1px solid #dfe9e4;border-radius:24px;background:linear-gradient(180deg,#ffffff,#fbfdfc);box-shadow:0 12px 30px rgba(15,23,42,.035)}
.schematic-svg{display:block;width:100%;height:auto}
@media(max-width:1180px){.usage-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.usage-grid{grid-template-columns:1fr}.schematic-card{padding:10px}}

.mechanism-note{margin-top:14px;padding:14px 18px;border:1px solid #dfe9e4;border-radius:16px;background:#f8fbf9;color:#52645e;font-size:10px;line-height:1.8}.mechanism-note strong{color:#0f513f}

/* ===== v0.5: generated guide images embedded at page bottom ===== */
.guide-image-card{margin:18px 0 0;padding:14px;border:1px solid #dfe9e4;border-radius:22px;background:#fff;box-shadow:0 10px 28px rgba(15,23,42,.045)}
.guide-image-card a{display:block;border-radius:16px;overflow:hidden;background:#f8fbf9;cursor:zoom-in}
.guide-image-card img{display:block;width:100%;height:auto;object-fit:contain}
.guide-image-card figcaption{margin:11px 4px 2px;color:#64748b;font-size:10px;line-height:1.75}
.usage-image-card{margin-top:18px}
@media(max-width:760px){.guide-image-card{padding:8px;border-radius:16px}.guide-image-card a{border-radius:12px}.guide-image-card figcaption{font-size:9px}}