:root{--ink:#102b38;--muted:#667e87;--line:#d9e8e9;--paper:#f6fbfb;--card:#fff;--teal:#008f91;--teal2:#24c4b4;--navy:#0c2b3b;--lime:#dff58e;--shadow:0 14px 34px rgba(14,59,68,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font:15px/1.65 Arial,"Microsoft YaHei",sans-serif}.topbar{height:76px;padding:0 max(5vw,28px);display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.brand{font-size:22px;font-weight:800;letter-spacing:-1px;color:var(--ink);text-decoration:none}.brand i{color:var(--teal);font-style:normal}.brand-mark{color:var(--teal);font-size:16px;margin-right:4px}.topbar nav{display:flex;gap:6px}.topbar nav a{padding:8px 12px;color:#3e5660;text-decoration:none;border-radius:8px}.topbar nav a:hover,.topbar nav a.active{color:var(--teal);background:#e8f9f6}main{width:min(1160px,calc(100% - 44px));margin:0 auto;padding:56px 0 74px}footer{padding:34px max(5vw,28px);background:#0b2936;color:#c0d0d3;display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;align-items:center;font-size:13px}.footer-brand{font-weight:bold;color:#fff;font-size:16px}.footer-brand span{display:block;color:#78a0a8;font-size:11px;letter-spacing:1px}.beian{display:inline-flex;align-items:center;gap:5px;color:#c0d0d3;text-decoration:none}.beian:hover{color:#fff}.beian img{width:18px;height:20px;object-fit:contain}.eyebrow{margin:0 0 9px;color:var(--teal);font-size:11px;letter-spacing:2px;font-weight:800}.eyebrow.light{color:#91e5d9}.hero{min-height:470px;border-radius:25px;padding:62px;overflow:hidden;position:relative;display:flex;align-items:center;background:linear-gradient(122deg,#0b2937 0%,#113d4c 63%,#177b7a 100%);color:#fff;box-shadow:var(--shadow)}.hero-copy{max-width:650px;position:relative;z-index:2}.hero h1{font-size:clamp(40px,5.3vw,66px);line-height:1.1;letter-spacing:-3px;margin:0 0 20px}.hero h1 em{font-style:normal;color:#bff6d7}.hero-text{font-size:17px;color:#c9dde0}.hero-actions{display:flex;gap:11px;margin-top:30px}.button{border:0;border-radius:9px;padding:11px 17px;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-weight:bold;text-decoration:none;cursor:pointer;font-size:14px}.primary{background:var(--teal2);color:#06363b}.primary:hover{background:#76e3d5}.secondary{border:1px solid rgba(255,255,255,.55);color:#fff}.secondary:hover{background:rgba(255,255,255,.12)}.hero-art{position:absolute;right:7%;top:50%;width:360px;height:360px;transform:translateY(-50%)}.ring{position:absolute;border:1px solid rgba(176,248,229,.42);border-radius:50%}.r1{width:340px;height:170px;top:95px;transform:rotate(-26deg)}.r2{width:270px;height:132px;top:115px;left:38px;transform:rotate(-26deg)}.r3{width:190px;height:90px;top:136px;left:76px;transform:rotate(-26deg)}.dot{position:absolute;border-radius:50%;background:var(--lime);box-shadow:0 0 32px 12px rgba(222,245,142,.4)}.d1{width:17px;height:17px;top:165px;left:155px}.d2{width:9px;height:9px;top:120px;left:260px}.d3{width:7px;height:7px;top:225px;left:55px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0 78px}.stat-grid article{padding:23px 25px;border:1px solid var(--line);border-radius:16px;background:#fff}.stat-grid b{display:block;color:var(--teal);font-size:35px;line-height:1}.stat-grid span{display:block;font-weight:bold;margin:7px 0 2px}.stat-grid small{color:var(--muted)}.section-heading{display:flex;align-items:end;justify-content:space-between;margin:0 0 21px}.section-heading h2{font-size:31px;letter-spacing:-1px;margin:0}.section-heading>a{color:var(--teal);text-decoration:none;font-weight:bold}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:25px}.feature-card h3{margin:8px 0}.feature-card p{color:var(--muted);margin:0}.feature-no{color:var(--teal);font-weight:bold;font-size:12px;letter-spacing:1px}.collection-strip{margin-top:76px;padding:37px 43px;border-radius:18px;background:#d7f5ed;display:flex;justify-content:space-between;align-items:center;gap:24px}.collection-strip h2{margin:0;font-size:27px;line-height:1.25}.page-intro{margin-bottom:30px}.page-intro.centered{text-align:center;max-width:720px;margin:0 auto 32px}.page-intro h1{font-size:45px;letter-spacing:-2px;margin:0 0 8px}.page-intro p:not(.eyebrow){color:var(--muted);margin:0}.library-tools{display:flex;justify-content:space-between;gap:18px;align-items:center;border-top:1px solid var(--line);padding-top:20px}.filter-tabs{display:flex;gap:7px;flex-wrap:wrap}.filter-tabs a{padding:8px 12px;border-radius:999px;background:#e7f0f0;color:#506872;text-decoration:none;font-size:13px}.filter-tabs a.selected{background:var(--navy);color:#fff}.search-form{display:flex;gap:8px}.search-form input,.admin-form input,.admin-form select,.admin-form textarea,.login-shell input{border:1px solid #cddfe1;border-radius:8px;background:#fff;padding:11px 12px;color:var(--ink);font:inherit}.search-form input{width:280px}.result-count{color:var(--muted);font-size:13px;margin:25px 0 13px}.result-count b{color:var(--teal)}.spectra-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:17px}.spectrum-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;text-decoration:none;color:inherit;transition:.2s transform,.2s box-shadow}.spectrum-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.spectrum-image{height:192px;background:#edf6f6;display:flex;align-items:center;justify-content:center}.spectrum-image img{width:100%;height:100%;object-fit:cover}.spectrum-info{padding:16px}.tag{display:inline-block;padding:3px 8px;border-radius:999px;background:#e0f7f1;color:#087f78;font-size:11px;font-weight:bold}.spectrum-info h3{font-size:18px;margin:9px 0 2px}.spectrum-info p{color:var(--muted);font-size:13px;margin:0 0 10px}.spectrum-info small{display:flex;justify-content:space-between;color:#819297}.spectrum-info small b{color:var(--teal)}.empty-state{grid-column:1/-1;background:#fff;border:1px dashed #bed5d7;border-radius:16px;text-align:center;padding:55px;color:var(--muted)}.back-link{color:var(--teal);text-decoration:none;font-weight:bold;display:inline-block;margin-bottom:18px}.detail-hero{display:grid;grid-template-columns:minmax(0,1.15fr) 1fr;gap:34px;padding:27px;background:#fff;border:1px solid var(--line);border-radius:20px}.detail-image{min-height:370px;background:#f2f7f7;display:flex;align-items:center}.detail-image img{width:100%;max-height:520px;object-fit:contain}.detail-summary h1{font-size:39px;letter-spacing:-2px;line-height:1.1;margin:12px 0 5px}.english{color:var(--muted);margin:0 0 22px}.key-values{display:grid;grid-template-columns:1fr 1fr;gap:10px}.key-values div{border-top:1px solid var(--line);padding-top:11px}.key-values span{display:block;font-size:12px;color:var(--muted)}.key-values b{font-size:14px}.description{color:#4b626a;margin-top:22px}.metadata-section{margin-top:28px}.compact{margin-bottom:15px}.metadata-grid{display:grid;grid-template-columns:repeat(3,1fr);margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.metadata-grid div{padding:15px 17px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.metadata-grid dt{font-size:12px;color:var(--muted)}.metadata-grid dd{margin:4px 0 0;font-weight:bold;word-break:break-word}.notes-box{margin-top:16px;padding:18px 20px;border-radius:13px;background:#edf8f7;color:#49626a}.notes-box p{margin:6px 0 0}.analyze-layout{display:grid;grid-template-columns:1.45fr .8fr;gap:18px}.upload-panel,.method-note{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.drop-zone{min-height:230px;border:2px dashed #8bd2ca;background:#f3fcfa;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;text-align:center}.drop-zone input{display:none}.upload-icon{width:45px;height:45px;border-radius:50%;display:grid;place-items:center;background:#d4f4ec;color:#087f78;font-size:27px;margin-bottom:9px}.drop-zone small,.privacy-note,.method-note p{color:var(--muted)}.wide{width:100%;margin-top:15px}.privacy-note{font-size:12px;margin:12px 0 0;text-align:center}.method-note h3{font-size:23px;margin:4px 0 12px}.analysis-results{margin-top:28px}.analysis-results>#status{color:var(--muted)}.analysis-result{display:flex;align-items:center;gap:17px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 17px;margin-top:10px;color:inherit;text-decoration:none}.analysis-result:hover{border-color:#80cac3}.analysis-result>b{font-size:24px;color:var(--teal);min-width:72px}.analysis-result span{font-weight:bold;flex:1}.analysis-result small{display:block;color:var(--muted);font-weight:normal}.analysis-result i{font-style:normal;color:var(--teal);font-size:13px}.admin-form{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.form-section{padding:25px;border-bottom:1px solid var(--line)}.form-section h2{font-size:18px;margin:0 0 16px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.admin-form label,.login-shell label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:#506871}.admin-form textarea{min-height:82px;width:100%;resize:vertical}.admin-form>.button{margin:25px}.logout-form{margin-top:13px}.text-button{border:0;background:transparent;color:#7b8d92;cursor:pointer}.login-shell{max-width:430px;margin:45px auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px}.login-shell h1{font-size:34px;margin:0}.login-shell>p:not(.eyebrow){color:var(--muted)}.login-shell form{margin-top:24px}.flash{padding:13px 16px;margin-bottom:18px;color:#874815;background:#fff0e6;border:1px solid #ffd5b7;border-radius:10px}@media(max-width:780px){.topbar{height:auto;padding:16px 22px;align-items:flex-start;gap:13px;flex-direction:column}.topbar nav{width:100%;overflow:auto}.topbar nav a{white-space:nowrap;padding:6px 8px}main{width:min(100% - 30px,1160px);padding:30px 0 50px}.hero{min-height:440px;padding:35px 27px}.hero h1{letter-spacing:-2px}.hero-art{opacity:.45;right:-120px}.stat-grid,.feature-grid,.detail-hero,.analyze-layout,.form-grid{grid-template-columns:1fr}.stat-grid{margin-bottom:48px}.collection-strip,.library-tools,.section-heading{align-items:flex-start;flex-direction:column}.search-form{width:100%}.search-form input{width:100%}.metadata-grid{grid-template-columns:1fr 1fr}.detail-summary h1,.page-intro h1{font-size:35px}.detail-image{min-height:260px}.hero-actions{flex-wrap:wrap}footer{flex-direction:column;align-items:flex-start}.spectrum-image{height:210px}}@media(max-width:440px){.metadata-grid{grid-template-columns:1fr}.hero h1{font-size:39px}.collection-strip{padding:28px}.collection-strip h2{font-size:23px}}

/* SPECTRAL TOOLS */
.tool-tabs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:0 auto 22px}.tool-tab{border:1px solid var(--line);border-radius:999px;background:#fff;color:#506871;padding:10px 16px;font:inherit;font-weight:bold;cursor:pointer}.tool-tab.active,.tool-tab:hover{background:var(--navy);color:#fff;border-color:var(--navy)}.tool-panel{display:none}.tool-panel.active{display:block}.visual-result{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.visual-result div{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fff;text-align:center}.visual-result img{display:block;width:100%;aspect-ratio:1;object-fit:contain;background:#f3f8f8}.visual-result b{display:block;padding:10px;font-size:13px}.metric-line,.tool-note{padding:13px 16px;border-radius:10px;background:#edf8f7;color:#49626a}.metric-line b{color:var(--teal)}.merge-result{display:grid;grid-template-columns:260px 1fr;gap:20px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}.merge-result img{width:100%;aspect-ratio:1;object-fit:contain;background:#f3f8f8}.merge-result p{color:var(--muted)}.merge-result strong{color:var(--teal)}@media(max-width:780px){.visual-result,.merge-result{grid-template-columns:1fr}.merge-result img{max-width:300px}.tool-tab{font-size:13px;padding:8px 12px}}

/* UNIFIED SMART ANALYSIS */
.unified-analyze{display:grid;grid-template-columns:1.35fr .85fr;gap:18px;align-items:stretch}.unified-upload{margin:0}.auto-steps{background:#0c2b3b;color:#fff;border-radius:18px;padding:26px}.auto-steps .eyebrow{color:#91e5d9}.step-row{display:flex;gap:13px;align-items:center;padding:13px 0;border-top:1px solid rgba(255,255,255,.15)}.step-row:first-of-type{border-top:0}.step-row>span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#24c4b4;color:#07353c;font-size:11px;font-weight:bold}.step-row b,.step-row small{display:block}.step-row small{color:#b7cbd0;font-size:12px}.analysis-results #status{line-height:1.8}@media(max-width:780px){.unified-analyze{grid-template-columns:1fr}}


/* 平台完整名称：保持顶部单行并适配手机 */
.platform-brand{
  font-size:clamp(14px,1.28vw,19px);
  letter-spacing:0;
  white-space:nowrap;
}
@media(max-width:700px){
  .platform-brand{font-size:14px;max-width:66vw;overflow:hidden;text-overflow:ellipsis}
}