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#experts .expert-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin-top:28px;max-width:960px}#experts .expert-row img{max-width:160px;aspect-ratio:3/4;margin:0 auto;object-fit:cover;object-position:top}#experts .expert-row h3{font-size:20px;margin:14px 0 8px}#experts .expert-row p{font-size:14px;line-height:1.7}.more-experts{margin-top:28px}.more-experts summary{cursor:pointer;color:#1554ad;font-size:16px;list-style:none;text-align:center;padding:12px}.more-experts[open] summary{border-bottom:1px solid #d5dddf}@media(max-width:1000px){#experts .expert-row{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:600px){#experts .expert-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 18px}#experts .expert-row img{max-width:140px}}

.certificates{background:#f6f5f0;min-height:0;padding:70px 6%}.certificates h2{font-family:'PingFang SC',sans-serif;font-size:38px}.cert-heading{display:flex;justify-content:space-between;gap:35px;align-items:end}.cert-heading p{max-width:480px;font-size:17px}.cert-group{padding-top:30px}.cert-group h3{font-size:22px;font-weight:500;margin:0 0 18px}.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.cert-item{margin:0}.cert-preview{position:relative;display:block;border:0;padding:0;width:100%;background:white;box-shadow:0 5px 20px #18304610;cursor:zoom-in}.cert-preview img{width:100%;height:auto;display:block}.cert-preview:after{content:'样张';position:absolute;inset:0;display:grid;place-items:center;font-size:45px;color:#20344760;transform:rotate(-18deg);pointer-events:none}.cert-item figcaption{font-size:15px;padding-top:13px;color:#536477}.certificates .cert-note{font-size:14px;margin-top:30px}.cert-lightbox{max-width:1100px;width:92vw;padding:22px}.cert-lightbox .cert-preview{cursor:default}.cert-lightbox .cert-preview:after{font-size:80px}.cert-lightbox button{float:right}.cert-lightbox::backdrop{background:#102234bb}@media(max-width:750px){.cert-heading{display:block}.cert-grid{grid-template-columns:1fr}.certificates h2{font-size:30px}}

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@media(max-width:900px){.live-hero{min-height:650px}.hero-heading{max-width:65%;margin-top:55px}.hero-heading h1{font-size:45px}.hero-heading>p:not(.hero-kicker){font-size:15px}.hero-content{padding-bottom:55px}.hero-heading .actions{flex-wrap:wrap}.standard-link{font-size:15px}}
@media(max-width:600px){.live-hero .hero-scene{opacity:.22;width:100%}.live-hero:after{background:linear-gradient(90deg,#fcfbf8d9,#fcfbf844)}.hero-heading{max-width:100%;margin-top:40px}.hero-heading h1{font-size:36px}.live-hero{min-height:580px}.hero-nav{gap:18px}.hero-nav img{width:110px}.hero-nav summary{font-size:14px}.hero-heading .button{padding:13px 20px}.cert-preview{max-width:310px}.section-links{gap:16px}section{padding-top:40px;padding-bottom:40px}}


.hero-nav{display:flex;flex-wrap:wrap;gap:12px 26px}.hero-nav>a:first-child{}.hero-nav #open-search{}.personal-entries{gap:10px}.desktop-channels{flex-basis:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:23px 0 12px;border:0;background:transparent}.desktop-channels a{position:relative;font-size:17px;font-weight:500;letter-spacing:.2px;text-decoration:none;white-space:nowrap;padding:9px 0 13px;color:#294259;transition:color .18s}.desktop-channels a:after{content:'';position:absolute;left:0;right:0;bottom:4px;height:3px;border-radius:2px;background:#1262d6;transform:scaleX(0);transition:transform .18s}.desktop-channels a:first-child{color:#125ac3;font-weight:650}.desktop-channels a:first-child:after,.desktop-channels a:hover:after,.desktop-channels a:focus-visible:after{transform:scaleX(1)}.desktop-channels a:hover{color:#135bcc}#channel-menu{display:none}.personal-entries a{padding:9px 15px;border:0;background:transparent;font-size:15px}.personal-entries a:nth-child(-n+2){color:#657685;font-size:14px;padding:7px 8px}.personal-entries a:nth-child(3){margin-left:12px;background:#ffffffcf;color:#174a79;border-radius:22px}.personal-entries .workshop-entry{border-radius:22px;background:#1458cb;color:white;box-shadow:0 3px 10px #1553a815}.hero-heading{margin-top:44px}@media(prefers-reduced-motion:reduce){.desktop-channels a,.desktop-channels a:after{transition:none}}
@media(max-width:1100px) and (min-width:701px){.desktop-channels{justify-content:flex-start;gap:10px 25px;flex-wrap:wrap}}
@media(max-width:700px){.desktop-channels{display:none}#channel-menu{display:block;}.hero-nav #open-search{}.personal-entries{display:grid;grid-template-columns:repeat(2,1fr);width:100%}.personal-entries a{font-size:14px}.hero-heading{margin-top:35px}}

.training-home{display:grid;grid-template-columns:1fr 1.2fr;align-items:stretch;background:#f3f3ef;gap:30px}
.training-copy{padding:25px 0;align-self:center}.training-copy h2{font-family:inherit}.training-copy p{font-size:18px;margin:12px 0}.training-copy .button{margin-top:22px}
.training-scene{position:relative;overflow:hidden;margin:0;min-height:380px;aspect-ratio:1.15;background:#e6e6e0}.training-scene img{position:absolute;width:217%;height:auto;max-width:none;right:0;top:50%;transform:translateY(-50%)}.training-scene figcaption{position:absolute;right:12px;bottom:10px;background:#10294acc;color:white;padding:3px 8px;font-size:13px}
.institution-copy .institution-logo{width:160px;height:auto;display:block}.preview-state{font-size:14px!important;color:#536477;margin-bottom:15px}
:focus-visible{outline:3px solid #1761c9;outline-offset:4px}dialog{max-width:min(90vw,800px);max-height:85vh;overflow:auto}
@media(max-width:700px){.experience header,.experience footer{display:flex;flex-direction:column;align-items:stretch;gap:15px}.experience .actions,.hero-heading .actions{flex-wrap:wrap}.experience .actions .button{width:100%;text-align:center}.experience footer p{margin-top:0}.training-home{grid-template-columns:1fr;gap:16px}.training-copy{padding:0}.training-copy h2 br{display:none}.training-scene{min-height:0;aspect-ratio:1.4}.personal-entries a:nth-child(3){margin-left:0}.film{height:280px}.hero-menu{max-width:85vw}.hero-nav{gap:12px}}

/* Portrait framing: original pixels preserved; individual crops only. */
#experts .portrait{position:relative;width:min(100%,160px);aspect-ratio:3/4;margin:0 auto;overflow:hidden;border-radius:5px}
#experts .expert-row .portrait img{position:absolute;max-width:none;height:auto;aspect-ratio:auto;margin:0;left:50%;transform:translateX(-50%);object-fit:contain}
#experts .portrait img[alt="李剑平"]{width:115%;top:-12%}
#experts .portrait img[alt="郭鑫"]{width:130%;top:0}
#experts .portrait img[alt="方志宏"]{width:140%;top:-21%}
#experts .portrait img[alt="柳洪博"]{width:110%;top:-1%}
@media(max-width:600px){#experts .portrait{width:min(100%,140px)}}
/* Keyboard access remains independent of the visual channel layout. */
.skip{position:fixed;top:8px;left:8px;z-index:1000;transform:translateY(-200%);background:#fff;color:#10294a;padding:12px 20px;border:2px solid #1458cb}
.skip:focus{transform:none;outline:3px solid #1458cb;outline-offset:2px}
#main:focus{outline:2px solid #1458cb;outline-offset:6px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*::before,*::after{animation:none!important;transition:none!important}}
/* Preserve the inherited 44px interactive target baseline on the new home. */
button,.button,.hero-nav a,.hero-nav summary,.course-link{min-height:44px;display:inline-flex;align-items:center}