/* 资料库视觉系统：米白底、深蓝绿、清晰的文字层级和证据边界。 */
:root{--brand:#1b5a68;--brand-deep:#172d36;--ink:#172d36;--ink-2:#485d63;--ink-3:#687978;--line:#dde2dc;--card:#fff;--bg:#f7f7f2;--r:6px;--radius-lg:8px;--radius:6px;--shadow-sm:none;--shadow:none;--grad-brand:linear-gradient(135deg,#1b5a68,#25434b);--grad-hero:linear-gradient(120deg,#183d48,#24535d)}
html{scroll-behavior:auto}body{background:#f7f7f2;color:#172d36;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.75}a,button{transition:color .12s,background-color .12s,border-color .12s}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #aa914f;outline-offset:3px}h1,h2,h3{letter-spacing:-.02em;text-wrap:pretty}img{max-width:100%}.wrap{max-width:1180px;width:calc(100% - 64px);margin-left:auto;margin-right:auto}.topbar{display:none}.header{background:#f7f7f2;border-bottom:1px solid #dde2dc;box-shadow:none;position:relative}.header .wrap{min-height:88px;gap:24px;display:flex;align-items:center}.library-brand{display:flex;align-items:center;gap:10px;color:#172d36;flex-shrink:0}.library-brand-mark{display:grid;place-items:center;width:40px;height:42px;background:#1b5a68;color:#fff;font-size:14px;font-weight:800;border-radius:3px}.library-brand strong{display:block;font-size:21px;line-height:1.3}.library-brand small{display:block;font-size:10px;letter-spacing:3px;font-weight:500;color:#657570}.nav a{font-size:14px;color:#42565c}.nav-menu{gap:18px}.nav-menu>li>a{padding:10px 0}.nav-menu>li.current-menu-item>a{color:#1b5a68}.header-cta .phone{display:none}.header-cta .btn{white-space:nowrap;padding:0 16px}.btn,.fbtn,.pq-search button,.fws-verify button,.verify-link{border-radius:4px;background:#1b5a68;color:#fff;box-shadow:none;border:1px solid #1b5a68}.btn:hover,.pq-search button:hover,.fws-verify button:hover{background:#164a56;color:#fff}.btn-outline{background:transparent;color:#1b5a68}.reveal{opacity:1!important;transform:none!important;transition:none!important}.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.library-hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:76px;padding-top:66px;padding-bottom:54px}.library-kicker{color:#63726e;font-size:12px;letter-spacing:1.5px;margin:0 0 16px}.library-kicker span{padding:0 8px;color:#bfa66f}.library-hero h1{font-size:clamp(36px,4.6vw,58px);line-height:1.2;margin:0 0 26px;font-weight:750;letter-spacing:-2px}.library-hero h1 span{color:#1b5a68}.library-summary{font-size:15px;color:#5a6b69;line-height:1.9;margin-bottom:28px}.library-search{display:flex;border:1px solid #c6d1c9;background:#fff;padding:6px;gap:6px;border-radius:4px}.library-search input{width:0;min-width:0;flex:1;background:transparent;border:0;padding:8px 12px;font-size:14px;color:#172d36;box-shadow:none}.library-search button{border:0;background:#1b5a68;color:#fff;font-size:14px;white-space:nowrap;padding:14px 20px;border-radius:3px;cursor:pointer}.library-search button span{margin-left:10px}.library-quick{display:flex;gap:22px;font-size:12px;margin-top:17px;flex-wrap:wrap}.library-quick span{color:#7a8580}.library-quick a{color:#1b5a68}.library-evidence{background:#fff;border:1px solid #dce2da;border-top:3px solid #bfa66f;padding:24px 28px 18px;box-shadow:0 12px 32px #20352b06;align-self:center}.library-evidence-top{display:flex;justify-content:space-between;align-items:center;color:#66746e;font-size:11px;letter-spacing:1px}.library-evidence-top b{font-size:13px;letter-spacing:3px;color:#b19a65}.library-evidence h2{font-size:23px;line-height:1.5;margin:18px 0 20px}.library-evidence dl{margin:0}.library-evidence dl>div{display:flex;justify-content:space-between;border-top:1px solid #edf0e9;padding:11px 0;font-size:12px;gap:12px}.library-evidence dt{color:#9b936d;font-size:11px;flex-shrink:0}.library-evidence dt span{font-size:12px;color:#344b50;margin-left:12px}.library-evidence dd{color:#78847d;margin:0;text-align:right}.library-evidence>a{display:flex;justify-content:space-between;color:#1b5a68;border-top:1px solid #edf0e9;padding-top:16px;font-size:12px}
.library-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #d6ded4;border-bottom:1px solid #d6ded4;padding:26px 0 16px}.library-stats>div{padding-left:34px;border-left:1px solid #d6ded4}.library-stats>div:first-child{padding-left:0;border-left:0}.library-stats strong{display:block;font-size:34px;font-weight:650;letter-spacing:-1px;line-height:1.3}.library-stats span{font-size:12px;color:#67766d}.library-stats>p{grid-column:1/-1;font-size:11px;color:#7a867d;margin:18px 0 0}.library-section{padding-top:52px;padding-bottom:6px}.library-section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.library-section-head .library-kicker{margin-bottom:7px}.library-section h2{font-size:26px;line-height:1.4;margin:0}.library-section-head>a{color:#1b5a68;font-size:12px;white-space:nowrap}.library-platforms{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;border-top:1px solid #d9e1d7;border-left:1px solid #d9e1d7}.library-platforms>a{display:flex;position:relative;flex-direction:column;min-height:102px;padding:19px 18px;border-right:1px solid #d9e1d7;border-bottom:1px solid #d9e1d7;background:#fff}.library-platforms>a:hover{background:#eef3ec}.library-platforms span{font-size:16px;font-weight:600;color:#263e46}.library-platforms small{color:#7b877d;font-size:11px;margin-top:6px}.library-platforms b{position:absolute;right:13px;top:17px;color:#87988c;font-weight:400}.library-cities{display:grid;grid-template-columns:1fr 1fr;gap:0 36px}.library-cities>a{display:grid;grid-template-columns:30px 1fr auto 24px;align-items:center;gap:14px;border-bottom:1px solid #dce3d8;padding:15px 4px;color:#253e43}.library-cities>a:hover{background:#edf2ea}.library-city-num{color:#97a292;font-size:11px}.library-cities strong{font-size:15px;font-weight:550}.library-cities small{color:#7c897f;font-size:11px}.library-cities a>span:last-child{color:#829986;text-align:right}.library-reading{display:grid;grid-template-columns:1fr 1fr;gap:72px;padding-bottom:44px;padding-top:58px}.library-reading>div>p:not(.library-kicker){font-size:13px;color:#6e7e73;max-width:420px;margin:16px 0 22px}.library-reading .btn{font-size:12px}.library-reading-links>a{display:flex;align-items:center;gap:22px;padding:17px 0;border-top:1px solid #d9e1d5}.library-reading-links span{font-size:11px;color:#a89d76}.library-reading-links h3{font-size:16px;font-weight:550;color:#314d52;margin:0 0 4px}.library-reading-links p{font-size:12px;color:#7d8a7c;margin:0}.library-reading-links b{margin-left:auto;color:#879887;font-weight:400}.library-consult{display:grid;grid-template-columns:1fr auto;gap:50px;padding:30px 34px;background:#e9efe6;border:1px solid #d7e0d1;margin-bottom:56px;align-items:center}.library-consult .library-kicker{margin-bottom:6px}.library-consult h2{font-size:24px;margin:0 0 10px}.library-consult p:not(.library-kicker){font-size:12px;color:#6a7b6c;max-width:630px;margin:0}.library-consult>div:last-child{display:flex;flex-direction:column;gap:12px;align-items:center}.library-phone{font-size:11px;color:#52725a}
/* 既有目录、详情、文章和咨询页共享资料库风格。 */
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.verify-cta,.verify-card{border-radius:4px;border-color:#dce4d7}.fws-verify .verify-card.is-certified{background:#f4f5ea;color:#4d6753;border-color:#dce2c8}.fws-verify button,.fws-verify .verify-link{background:#1b5a68;border-radius:4px}.fws-verify .verify-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pagination a,.pagination span,.evidence-pagination .page-numbers{border-radius:3px}.pagination .current,.evidence-pagination .current{background:#1b5a68;border-color:#1b5a68;color:#fff}.footer{background:#173840;color:#dce6df;padding:40px 0 20px}.footer h4{font-size:13px;color:#e4ebe2;letter-spacing:1px}.footer a{color:#c3d2c7;font-size:12px}.footer p{color:#adc3b5;font-size:12px}.footer .library-brand{color:#fff}.footer .library-brand small{color:#92b2a3}.footer .library-brand-mark{background:#315964}.footer .footer-columns{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}.footer .bottom{border-color:#31515a;margin-top:26px;padding-top:16px;font-size:11px}.footer .disclaimer{color:#92ada1;font-size:10px;line-height:1.9}.library-results{margin:30px auto 55px}.library-results form{max-width:620px;margin:18px 0}.library-result-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;border-bottom:1px solid #dae3d3}.library-result-row h2{font-size:20px;margin:0}.library-result-row p{font-size:12px;color:#6e7f6c;margin:6px 0}.library-result-row>a{white-space:nowrap;font-size:13px}.library-result-note{max-width:720px;color:#607669;font-size:13px}.skip-link{position:absolute;left:12px;top:-100px;z-index:99999;background:#fff;padding:10px;color:#1b5a68}.skip-link:focus{top:12px}
@media(max-width:1100px){.header .wrap{gap:18px}.nav-menu{gap:12px}.nav a{font-size:13px}.library-hero{gap:40px}.library-platforms{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:900px){.wrap{width:calc(100% - 40px)}.header .wrap{min-height:76px}.header .nav{display:none}.header .nav.is-open,.header .nav.open{display:block;position:absolute;top:76px;left:0;right:0;background:#f7f7f2;z-index:30;padding:20px;border-bottom:1px solid #dce3d6}.nav-toggle{display:block;margin-left:auto}.header-cta{display:none}.library-hero{gap:28px;padding-top:40px;padding-bottom:36px;grid-template-columns:1.2fr 1fr}.library-hero h1{font-size:42px}.library-evidence{padding:20px}.library-evidence h2{font-size:21px}.library-evidence dl>div{display:block}.library-evidence dd{text-align:left;margin:4px 0 0 25px}.library-reading{gap:36px}.library-section h2{font-size:24px}.library-consult{padding:24px;gap:24px}.page-content{padding:28px}.sec-head h1,.sec-head h2{font-size:24px}.sec-head small{display:block;margin:7px 0 0}.footer .footer-columns{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.wrap{width:calc(100% - 32px)}.library-brand strong{font-size:19px}.library-hero{grid-template-columns:1fr;padding-top:34px;gap:30px}.library-hero h1{font-size:40px;letter-spacing:-1px}.library-summary{font-size:13px}.desktop-break{display:none}.library-search input{padding:8px;font-size:13px}.library-search button{padding:12px 14px;font-size:13px}.library-search button span{display:none}.library-quick{gap:18px}.library-evidence{padding:20px 22px}.library-evidence h2{font-size:22px}.library-evidence dl>div{display:flex}.library-evidence dd{margin:0;text-align:right}.library-stats{grid-template-columns:1fr 1fr;gap:20px 0;padding:20px 0 16px}.library-stats>div{padding-left:20px}.library-stats>div:nth-child(3){border-left:0;padding-left:0}.library-stats strong{font-size:29px}.library-stats>p{margin-top:0}.library-section{padding-top:34px}.library-section-head{align-items:start;gap:12px}.library-section h2{font-size:22px}.library-section-head>a{margin-top:5px;font-size:11px}.library-platforms{grid-template-columns:repeat(2,minmax(0,1fr))}.library-platforms>a{min-height:92px;padding:16px}.library-cities{grid-template-columns:1fr}.library-cities>a{padding:14px 2px}.library-reading{grid-template-columns:1fr;gap:28px;padding-bottom:30px}.library-consult{grid-template-columns:1fr;gap:24px;padding:22px;margin-bottom:32px}.library-consult>div:last-child{align-items:start}.supplier-grid{grid-template-columns:1fr}.lp-hero h1,.v4-banner h1,.archive-hero h1,.polish-hero h1{font-size:26px}.page-content{padding:22px 18px;margin:22px auto 32px}.page-content h1{font-size:27px}.page-content h2{font-size:21px}.lead-form{padding:16px}.lead-fields{grid-template-columns:1fr;gap:6px}.lead-form input,.lead-form select,.lead-form textarea{font-size:16px}.fws-verify .verify-grid{grid-template-columns:1fr}.ranklist .rankitem{padding:18px 14px}.rankitem .body h4{font-size:16px}.footer .footer-columns{grid-template-columns:1fr 1fr;gap:26px 20px}.footer .footer-brand{grid-column:1/-1}.footer .footer-contact{grid-column:1/-1}.library-result-row{display:block}.library-result-row>a{display:inline-block;margin-top:6px}.library-results h1{font-size:26px}.page-content table{display:table}.page-content .source-ledger table{min-width:650px}.page-content:has(table):not(:has(.table-scroll)){overflow-x:auto}}
:root{--brand-dark:#25434b;--brand-soft:#edf3e9;--brand-softer:#f2f5ee;--bg-soft:#f2f5ee;--r-sm:5px;--r-xs:4px;--shadow-lg:none;--shadow-1:none;--shadow-2:none;--gold:#968154;--accent:#1b5a68}
.ranklist .ranklist-item{border:0;border-bottom:1px solid #e1e6da;border-radius:0;box-shadow:none;margin:0;padding:22px 24px;transition:none}.ranklist .ranklist-item:last-child{border-bottom:0}.ranklist .ranklist-item:hover{transform:none;box-shadow:none;background:#fafbf7}.ranklist-item::before{display:none}.ranklist-item .no,.ranklist-item.top .no,.ranklist-item .no.rank-gold,.ranklist-item .no.rank-silver,.ranklist-item .no.rank-bronze{background:#edf2e8;color:#62776a;border:0;border-radius:3px;box-shadow:none;font-size:12px}.ranklist-item .body h4{font-size:18px;font-weight:550}.ranklist-item .body h4 a{min-height:28px}.ranklist-item .badges span[class*="chip-"]{background:#edf3ec;color:#326455;border:1px solid #d5e2d3;border-radius:3px}.ranklist-item .score b{color:#46685d;font-weight:500;font-size:20px}.fws-verify .verify-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:24px}.fws-verify .verify-panel{background:#fff;border:1px solid #dce4d7;box-shadow:none}.fws-verify .verify-search{display:flex;gap:12px;margin:20px 0}.fws-verify .verify-search input{min-width:0;flex:1;padding:12px}.fws-verify button,.verify-link{padding:10px 16px;cursor:pointer;color:#fff}.fws-verify .verify-cta{background:#edf2e8;color:#365b50;border:1px solid #d7e2ce;padding:24px}.fws-verify .verify-cta h2{color:#365b50}.fws-verify .verify-cta a{color:#1b5a68;font-size:20px}.fws-verify .verify-updated{border-color:#c7d6bb;color:#65795d;border-radius:3px;font-size:12px}.fws-verify button:hover,.fws-verify .verify-cta:hover,.fws-about .about-cta a:hover{transform:none}.fws-verify .verify-card{background:#f4f7ef;padding:18px;font-size:13px}.fws-verify .verify-grid{display:grid;gap:14px;margin-top:20px}.fws-verify .verify-card p{margin:7px 0}.fws-verify .verify-information{background:#edf3e8;border-radius:4px}.fws-verify .verify-faq details{box-shadow:none;border-radius:4px}.fws-verify .verify-faq summary{color:#365c53;border-color:#bfa66f}.fws-verify .verify-request input{display:block;width:100%;padding:10px}.fws-verify .verify-request label{display:block;margin:12px 0}.fws-verify [hidden]{display:none!important}.fws-verify .verify-candidate{display:block;width:100%;text-align:left;margin:8px 0}.fws-about .about-stats strong,.fws-about .about-body h2{color:#1b5a68}.fws-about .about-stats>div{box-shadow:none;border-color:#dce4d7;border-radius:4px}.fws-about .about-body h2{border-color:#bfa66f}.fws-about .about-cta{background:#edf2e8;color:#365c53;border-radius:4px}.fws-about .about-cta h2,.fws-about .about-cta a{color:#1b5a68}.header .nav.is-open{max-height:none;overflow:visible}.footer .library-brand{min-height:44px}.footer .library-brand strong{color:#fff}.footer .library-brand small{color:#c1d2c6}
@media(max-width:650px){.ranklist .ranklist-item{padding:18px 14px;gap:12px}.ranklist-item .body h4{font-size:16px}.ranklist-item .score{text-align:left;margin-left:50px}.fws-verify .verify-layout{grid-template-columns:1fr}.fws-verify .verify-search{flex-direction:column}.fws-verify .verify-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}