:root{--ink:#18313f;--muted:#657987;--line:#dbe7ec;--soft:#f5f8fa;--panel:#ffffff;--primary:#007bb8;--primary-dark:#005f8e;--accent:#18a889;--accent-soft:#e8f7f3;--shadow:0 12px 32px rgba(24,49,63,0.08)}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f7fafb;font-family:Arial,"Microsoft YaHei",sans-serif;font-size:14px}a{color:inherit;text-decoration:none}#HeaderContainer{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;min-height:64px;padding:10px clamp(16px,4vw,48px);background:#ffffff;border-bottom:1px solid var(--line);box-shadow:0 6px 20px rgba(24,49,63,0.04)}#LogoAndTitle{display:flex;align-items:center;gap:10px}#Logo{width:38px;height:38px;object-fit:contain}#Head{color:var(--ink);font-size:20px;font-weight:700}#NavAndMenu{display:flex;align-items:center}#NavBar{display:flex;align-items:center;gap:6px}#NavBar a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;color:var(--muted);border-radius:6px;font-size:14px;white-space:nowrap}#NavBar a:hover{color:var(--primary);background:#edf7fb}#MenuIcon,#CloseIcon{display:none;border:0;background:transparent;cursor:pointer;color:var(--ink)}.home-container,.nav-page{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 48px}.tool-hero,.nav-hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,0.75fr);gap:24px;align-items:stretch;padding:clamp(28px,5vw,54px);background:linear-gradient(135deg,#ffffff 0%,#eef8fb 100%);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.nav-hero{display:block}.eyebrow{display:inline-flex;margin-bottom:10px;color:var(--accent);font-size:12px;font-weight:700;letter-spacing:0;text-transform:uppercase}.hero-copy h1,.nav-hero h1{margin:0 0 14px;max-width:760px;font-size:clamp(30px,5vw,48px);line-height:1.15;letter-spacing:0}.hero-copy p,.nav-hero p,.section-title p{margin:0;max-width:720px;color:var(--muted);font-size:16px;line-height:1.7}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn-primary,.btn-secondary,.btn-text,.tool-link,#SearchForm input[type="submit"]{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 18px;border-radius:6px;border:1px solid transparent;font-weight:700;cursor:pointer}.btn-primary,#SearchForm input[type="submit"]{background:var(--primary);color:#ffffff}.btn-primary:hover,#SearchForm input[type="submit"]:hover{background:var(--primary-dark)}.btn-secondary{color:var(--primary);background:#edf7fb;border-color:#cbe6f1}.btn-secondary:hover{background:#dff1f8}.btn-text{color:var(--accent);background:var(--accent-soft)}.hero-panel{display:grid;grid-template-columns:1fr 1fr;gap:12px}.hero-panel div{display:flex;min-height:100px;flex-direction:column;justify-content:center;padding:18px;background:#ffffff;border:1px solid var(--line);border-radius:8px}.hero-panel strong{color:var(--primary);font-size:24px}.hero-panel span{margin-top:4px;color:var(--muted)}.section-block,.recommended-tools,.all-tools,.cta-strip{margin-top:28px}.section-title{margin-bottom:16px}.section-title h2,.cta-strip h2{margin:0 0 8px;font-size:24px;letter-spacing:0}.inline-title{display:flex;justify-content:space-between;align-items:end;gap:16px}.compact-grid,.quick-tool-grid,.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}.service-card,.quick-tool,.tool-card,.contact-item{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 22px rgba(24,49,63,0.05)}.service-card{padding:22px}.service-card h3,.tool-card h3,.contact-item h3{margin:10px 0 10px;color:var(--ink);font-size:18px}.service-card p,.tool-card p,.contact-item p,.contact-item li{color:var(--muted);line-height:1.65}.card-badge,.tool-tag,.tool-mark{display:inline-flex;min-height:24px;align-items:center;padding:0 9px;border-radius:999px;font-size:12px;font-weight:700}.card-badge,.tool-tag{color:var(--primary);background:#edf7fb}.tool-mark{color:#0f7a63;background:var(--accent-soft)}.quick-tool{display:flex;min-height:104px;flex-direction:column;justify-content:center;padding:18px;transition:transform 0.18s ease,border-color 0.18s ease}.quick-tool:hover,.tool-card:hover,.service-card:hover{transform:translateY(-2px);border-color:#b8dce8}.quick-tool strong{margin-bottom:6px;color:var(--ink);font-size:17px}.quick-tool span{color:var(--muted);line-height:1.55}.accent-tool{background:var(--accent-soft);border-color:#b8eadf}.cta-strip{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:24px;background:var(--ink);color:#ffffff;border-radius:8px}.cta-strip p{margin:0;color:rgba(255,255,255,0.78);line-height:1.6}.nav-toolbar{margin-top:20px;padding:18px;background:#ffffff;border:1px solid var(--line);border-radius:8px}.tool-search{display:block}.tool-search span{display:block;margin-bottom:8px;color:var(--muted);font-weight:700}.tool-search input,#SearchForm input[type="text"]{width:100%;min-height:42px;padding:0 14px;color:var(--ink);background:#ffffff;border:1px solid var(--line);border-radius:6px;font-size:15px}.tool-search input:focus,#SearchForm input[type="text"]:focus{outline:2px solid rgba(0,123,184,0.14);border-color:var(--primary)}.category-filters{display:flex;gap:8px;margin-top:14px;overflow-x:auto;padding-bottom:2px}.category-filter{flex:0 0 auto;min-height:34px;padding:0 14px;color:var(--muted);background:var(--soft);border:1px solid var(--line);border-radius:999px;cursor:pointer;white-space:nowrap}.category-filter.active,.category-filter:hover{color:#ffffff;background:var(--primary);border-color:var(--primary)}.tool-card{display:flex;min-height:210px;flex-direction:column;padding:18px}.tool-card-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.tool-card p{flex:1;margin:0 0 16px}.tool-actions{display:flex;flex-wrap:wrap;gap:8px}.tool-link{align-self:flex-start;color:var(--primary);background:#edf7fb}.tool-link:hover{color:#ffffff;background:var(--primary)}.secondary-link{color:#0f7a63;background:var(--accent-soft)}.secondary-link:hover{color:#ffffff;background:var(--accent)}.result-count{color:var(--muted);white-space:nowrap}.empty-state{padding:28px;text-align:center;color:var(--muted);background:#ffffff;border:1px solid var(--line);border-radius:8px}.search-container,.result-header,.loading-message,.error-message{width:min(1180px,calc(100% - 32px));margin:20px auto}.query-intro{width:min(1180px,calc(100% - 32px));margin:28px auto 0;padding:24px;background:linear-gradient(135deg,#ffffff 0%,#eef8fb 100%);border:1px solid var(--line);border-radius:8px}.query-intro h1{margin:0 0 10px;font-size:clamp(28px,4vw,40px);letter-spacing:0}.query-intro 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var(--line);text-align:center}.freight-table th{color:#ffffff;background:var(--primary);font-weight:700}.freight-table tr:hover td{background:#f6fbfd}.no-data,.loading-message{color:var(--muted);text-align:center}.loading-message,.error-message{padding:16px;background:#ffffff;border:1px solid var(--line);border-radius:8px}.error-message{color:#9b2c2c;background:#fff5f5;border-color:#ffd6d6;text-align:center}.pagination{display:flex;width:min(1180px,calc(100% - 32px));margin:16px auto 0;padding:14px 16px;justify-content:space-between;align-items:center;gap:12px;background:#ffffff;border:1px solid var(--line);border-radius:8px}.pagination-summary{color:var(--muted);font-weight:700;white-space:nowrap}.pagination-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.pagination-btn{min-width:38px;min-height:34px;padding:0 11px;color:var(--primary);background:#edf7fb;border:1px solid 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18px;color:#ffffff;background:var(--primary);border-radius:6px}footer{margin-top:48px;padding:22px 16px;color:var(--muted);background:#ffffff;border-top:1px solid var(--line);text-align:center}@media screen and (max-width:820px){#MenuIcon{display:inline-flex;align-items:center;min-height:36px;font-size:15px}#NavBar{position:fixed;top:0;right:0;display:none;width:min(260px,82vw);height:100%;padding:72px 18px 18px;flex-direction:column;align-items:stretch;background:#ffffff;border-left:1px solid var(--line);box-shadow:-18px 0 40px rgba(24,49,63,0.16)}#NavBar.active{display:flex}#NavBar a{justify-content:center;min-height:44px;font-size:16px}#CloseIcon{position:absolute;top:18px;right:18px;display:block;font-size:30px}.tool-hero{grid-template-columns:1fr;padding:26px 18px}.hero-panel{grid-template-columns:1fr 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