@font-face{font-family:PuHuiTi;src:url('./fonts/PuHuiTi-Regular.otf') format('opentype');font-weight:400;font-display:swap}
@font-face{font-family:PuHuiTi;src:url('./fonts/PuHuiTi-Medium.otf') format('opentype');font-weight:500 600;font-display:swap}
@font-face{font-family:PuHuiTi;src:url('./fonts/PuHuiTi-Bold.otf') format('opentype');font-weight:700 900;font-display:swap}
/* MasterGo tokens: paint_3:305/313/337/456/668, effect_3:375/675/670.
   Fixed 1200px content; 1920px reference canvas. No responsive scaling. */
:root{
  --page-width:1200px;--canvas-width:1920px;--header-height:67px;--banner-height:440px;--main-height:1893px;--footer-height:70px;
  --page-bg:#edf5ff;--paper:#fff;--ink:#010f5c;--muted:#7186a6;--brand:#073d87;--nav:#31557e;--link:#0c4a9e;--primary:#2a7dff;--active:#1d5dc1;--stroke:#dde9fb;--subtle:#f6faff;--placeholder:#a4b1c5;
  --category-paper:#1060ee;--category-course:#28acae;--category-industry:#f87f19;--category-frontier:#8553ee;--category-ai:#f93b58;--category-case:#3890f9;
  --heading-line:#c8dcfc;--heading-accent:linear-gradient(90deg,#1d5dc1 0%,#4e8cfa 53%,#18a8f9 99%);--banner-tint:linear-gradient(90deg,rgba(26,77,137,.7) 47%,rgba(26,77,137,.3) 76%,rgba(26,77,137,0) 94%);--banner-text:#9ad3f6;--banner-emphasis:linear-gradient(180deg,#d2f1fe 0%,#78d9fe 100%);
  --card-shadow:0 4px 20px rgba(5,54,141,.1);--search-shadow:0 4px 15px rgba(16,96,238,.1);--button-shadow:0 4px 13px rgba(23,102,226,.4);--header-shadow:0 9px 19px 5px rgba(13,70,137,.4);--text-shadow:0 4px 10px #013876;
  --s1:4px;--s2:8px;--s3:10px;--s4:11px;--s5:15px;--s6:20px;--s7:25px;--s8:30px;--s9:33px;--s10:40px;--s11:50px;--s12:60px;--s13:75px;--s14:100px;
  --research-height:100px;--research-button-size:44px;--research-icon-size:20px;--research-icon-offset:2px;--research-surface:var(--paper);--research-shortcuts-top:308px;
  --banner-art-height:442px;--banner-tint-width:410px;--banner-dot-size:12px;--banner-dot-active:36px;--banner-dot-hit:28px;--banner-dots-bottom:8px;--banner-fade-duration:500ms;
  --radius-sm:8px;--radius-card:10px;--radius-button:15px;--radius-search:20px;--radius-pill:30px;
  --font-body:PuHuiTi,'PingFang SC','Microsoft YaHei',sans-serif;--font-brand:'Alimama ShuHeiTi',PuHuiTi,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:var(--page-width);background:var(--page-bg);color:var(--ink);font-family:var(--font-body);font-size:15px;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}button,input{font:inherit}button{cursor:pointer}button,a,input{-webkit-tap-highlight-color:transparent}button{color:inherit;background:none;border:0;padding:0}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:var(--s1)}img{display:block}svg{display:block;max-width:100%;max-height:100%}.content{position:relative;width:var(--page-width);margin:0 auto}.icon{display:inline-flex;align-items:center;justify-content:center;flex:none}
.site-header{position:relative;z-index:3;width:100%;height:var(--header-height);background:var(--paper);box-shadow:none}
.header-inner{height:100%;margin:0 var(--s14);display:grid;grid-template-columns:245px minmax(0,1.317fr) 796px minmax(0,1fr) 160px;align-items:center;min-width:1201px}
.brand{display:flex;align-items:flex-start;gap:5px;width:245px;height:35px}.brand-icon{width:40px;height:auto;flex:none;align-self:flex-start}.brand-copy{width:200px}.brand strong{display:block;font:700 18px/18px var(--font-brand);letter-spacing:.18px;white-space:nowrap;color:var(--brand)}.brand small{display:block;white-space:nowrap;font-size:8.5px;line-height:18px;letter-spacing:-.255px;color:var(--muted)}
.header-center{grid-column:3;display:flex;align-items:center;gap:var(--s13);height:100%}.main-nav{display:flex;gap:34px;height:100%;align-items:center;white-space:nowrap}.main-nav a,.main-nav button{position:relative;color:var(--nav);font-size:15px;line-height:15px;font-weight:500}.main-nav .active{color:var(--active)}.main-nav .active::after{content:'';position:absolute;left:1px;bottom:-26px;width:30px;height:3px;border-radius:5px 5px 0 0;background:var(--active)}
.header-search{display:flex;align-items:center;gap:16px;flex:none;width:220px;height:34px;padding:0 12px;border:1px solid var(--stroke);border-radius:var(--radius-sm);background:var(--subtle)}.header-search .icon{width:11px;height:12px}.header-search input{width:165px;min-width:0;padding:0;border:0;outline:none;background:none;font-size:12px;color:var(--nav)}.header-search input::placeholder{color:var(--placeholder)}
.account{grid-column:5;display:flex;gap:var(--s6);align-items:center}.notification{position:relative;width:25px;height:25px}.notification .bell{position:absolute;width:18px;height:22px;left:4px;top:2px}.notification .badge{position:absolute;left:15px;top:2px;width:6px;height:6px}.profile{display:flex;gap:var(--s3);align-items:center;white-space:nowrap;font-size:15px;color:var(--nav)}.avatar{position:relative;width:36px;height:36px;flex:none}.avatar>span{position:absolute;inset:0}.avatar .avatar-inner{inset:3px}.avatar img{position:absolute;inset:3px;width:30px;height:30px;border-radius:50%;object-fit:cover}.profile-arrow{width:9px;height:13px}
.banner{position:relative;width:100%;height:var(--banner-height);overflow:hidden;background-image:url('./images/hall.png');background-position:center;background-size:cover}.banner::before{content:'';position:absolute;left:0;top:0;width:calc(50% + 410px);height:100%;background:var(--banner-tint)}.banner-trails{position:absolute;width:1414px;height:283px;left:calc(50% - 970px);top:229px;opacity:.6;mask-image:linear-gradient(90deg,black 59%,transparent 87%);pointer-events:none}.banner .content{height:100%}.banner-copy{position:absolute;left:-53px;top:113px}.banner h1{font-size:65px;font-weight:700;line-height:87px;white-space:nowrap;color:var(--paper);text-shadow:var(--text-shadow)}.banner h1 em{font-style:normal;background:var(--banner-emphasis);color:transparent;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-fill-color:transparent;text-shadow:none}.banner-rule{width:65px;height:2px;margin-top:var(--s1);background:var(--banner-text)}.banner p{font-size:35px;line-height:93px;letter-spacing:10.5px;white-space:nowrap;color:var(--paper)}.banner-dots{position:absolute;left:calc(50% - 40px);bottom:16px;display:flex;align-items:center;gap:var(--s3);width:80px;height:12px}.banner-dots .selected{width:36px;height:12px;background:var(--paper);border-radius:var(--radius-search)}.banner-dots .dot-pair{position:relative;width:34px;height:12px}.banner-dots .dot-pair svg{max-width:none}.banner-dots .dot-pair::after{content:"";position:absolute;right:0;top:0;width:var(--s3);height:var(--s3);border-radius:50%;background:var(--paper)}
.home-main{position:relative;height:var(--main-height);isolation:isolate;overflow:hidden}.home-main::before,.home-main::after{content:'';position:absolute;left:0;width:100%;z-index:-1;pointer-events:none;background-position:center top;background-repeat:no-repeat}.home-main::before{top:1px;height:1384px;background-image:url('./images/glass-background.png');background-size:1920px 1268px;opacity:.2;mask-image:linear-gradient(black 67%,transparent 92%)}.home-main::after{bottom:0;height:724px;background-image:url('./images/campus-background.png');background-size:1920px 724px;mask-image:linear-gradient(transparent 3%,black 28%)}.main-content{height:100%}
.research{position:absolute;left:0;top:0;width:100%;height:373px}.research-title{position:absolute;left:324px;top:55px;width:581px;height:64px}.research-intro{position:absolute;left:280px;top:143px;white-space:nowrap;font-size:20px;line-height:20px;font-weight:500;color:var(--nav)}.research-form{position:absolute;left:100px;top:188px;display:flex;align-items:center;width:1000px;height:var(--research-height);padding:var(--s5) var(--s6);gap:7px;background:var(--research-surface);border-radius:var(--radius-search);box-shadow:var(--search-shadow)}.research-form .sparkle{width:37px;height:37px;flex:none}.research-field{position:relative;flex:1;height:100%;display:flex;align-items:center;min-width:0}.research-field input{position:relative;z-index:1;width:100%;height:100%;background:transparent;border:0;outline:none;padding:0;font-size:16px;color:var(--ink)}.research-placeholder{position:absolute;left:0;right:0;pointer-events:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted);font-size:16px;line-height:20px}.research-field input:not(:placeholder-shown)+.research-placeholder{display:none}.voice-button{width:20px;height:20px;flex:none;margin-left:var(--s2);margin-right:17px}.send-button{display:flex;align-items:center;justify-content:center;width:var(--research-button-size);height:var(--research-button-size);flex:none;background:var(--primary);border-radius:var(--radius-card);box-shadow:var(--button-shadow)}.send-button .icon{width:var(--research-icon-size);height:var(--research-icon-size);transform:translate(var(--research-icon-offset),calc(-1 * var(--research-icon-offset))) rotate(-45deg)}.research-shortcuts{position:absolute;left:357px;top:var(--research-shortcuts-top);display:flex;gap:var(--s7)}.research-shortcuts button{width:110px;height:32px;border:1px solid var(--stroke);border-radius:var(--radius-pill);background:var(--paper);color:var(--link);font-size:14px;font-weight:500}.research-shortcuts button:hover{border-color:var(--primary)}
.recommendations{position:absolute;top:373px;left:0;width:100%;height:834px}.section-title{position:relative;font-size:36px;line-height:36px;font-weight:700;width:max-content}.section-title::before,.section-title::after{content:'';position:absolute;top:43px;height:4px;border-radius:var(--radius-card)}.section-title::before{left:0;width:35px;background:var(--heading-accent)}.section-title::after{left:40px;width:100px;background:var(--heading-line)}.refresh{position:absolute;right:5px;top:45px;display:flex;align-items:center;gap:6px;color:var(--link);font-size:14px;font-weight:500}.refresh .icon{width:20px;height:20px}
.recommendation-grid{position:absolute;left:0;top:74px;display:grid;grid-template-columns:repeat(3,378px);gap:var(--s8) var(--s9)}.recommendation-card{position:relative;width:378px;height:365px;border-radius:var(--radius-card);background:var(--paper);box-shadow:var(--card-shadow);overflow:hidden}.card-cover{position:absolute;left:11px;top:11px;width:356px;height:200px;border-radius:var(--radius-card);object-fit:cover}.card-title{position:absolute;left:20px;top:231px;width:338px;font-size:20px;line-height:20px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:left}.card-description{position:absolute;left:20px;top:266px;width:338px;height:40px;color:var(--muted);font-size:14px;line-height:20px}.card-footer{position:absolute;left:20px;right:20px;top:321px;border-top:1px solid var(--stroke);padding-top:var(--s5);display:flex;align-items:center;justify-content:space-between;font-size:13px;line-height:16px}.category{display:flex;align-items:center;gap:6px;font-weight:600;color:var(--category)}.category .icon{width:8px;height:8px}.card-more{display:flex;gap:var(--s3);align-items:center;color:var(--link);font-size:13px;line-height:14px}.card-more .icon{width:8px;height:14px}.card-paper{--category:var(--category-paper)}.card-course{--category:var(--category-course)}.card-industry{--category:var(--category-industry)}.card-frontier{--category:var(--category-frontier)}.card-ai{--category:var(--category-ai)}.card-case{--category:var(--category-case)}
.resources{position:absolute;left:0;top:1257px;width:100%;height:636px}.resource-map{position:absolute;left:0;top:0;width:1200px;height:636px}.resource-art{position:absolute;pointer-events:none}.resource-orbit{left:204px;top:125px;width:789px;height:359px}.resource-hub{left:380px;top:147px;width:402px;height:268px;filter:saturate(.766)}.resource-entry{position:absolute;inset:0;pointer-events:none}.resource-entry img{position:absolute;left:var(--icon-x);top:var(--icon-y);width:var(--icon-w,81.859px);height:var(--icon-h,82px);filter:saturate(.77)}.resource-entry button,.resource-entry .resource-label{position:absolute;left:var(--label-x);top:var(--label-y);text-align:left;white-space:nowrap;pointer-events:auto}.resource-entry strong{display:block;font-size:20px;line-height:29px;font-weight:700}.resource-entry small{display:block;color:var(--muted);font-size:15px;line-height:20px;margin-top:2px}.resource-entry button:hover strong,.resource-entry:hover strong{color:var(--primary)}.orbit-point{position:absolute;left:var(--x);top:var(--y);width:24px;height:24px;filter:saturate(.77)}
.site-footer{width:100%;height:var(--footer-height);background:var(--brand);display:flex;justify-content:center;align-items:center}.site-footer .brand{width:248px;gap:var(--s2);transform:translateX(15px)}.site-footer .brand strong,.site-footer .brand small{color:var(--paper)}
.notice{position:fixed;z-index:10;left:50%;bottom:var(--s8);transform:translateX(-50%);max-width:600px;padding:var(--s5) var(--s6);background:var(--brand);color:var(--paper);border-radius:var(--radius-sm);box-shadow:var(--card-shadow);font-size:14px}.notice[hidden]{display:none}

.recommendation-status{position:absolute;right:var(--s14);top:var(--s10);color:var(--muted);font-size:14px;line-height:var(--s6)}.recommendation-status:empty{display:none}.refresh:disabled{opacity:.5;cursor:wait}.card-description{overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
/* Visitor recommendations contain one line of source metadata, not a synopsis. */
:root{--recommendation-card-height:325px;--recommendation-meta-top:260px;--recommendation-footer-top:285px;--recommendation-section-height:754px;--resources-top:1177px;--main-height:1813px}
.recommendations{height:var(--recommendation-section-height)}
.recommendation-card{height:var(--recommendation-card-height)}
.recommendation-card .card-description{top:var(--recommendation-meta-top);height:var(--s6);display:block;white-space:nowrap;text-overflow:ellipsis}
.recommendation-card .card-footer{top:var(--recommendation-footer-top);padding-top:var(--s3)}
.resources{top:var(--resources-top)}
:root{--footer-height:150px;--footer-title-size:18px;--footer-info-size:14px}
.site-footer{flex-direction:column;gap:var(--s3);color:var(--paper);padding:var(--s6)}
.footer-platform{font-size:var(--footer-title-size);line-height:var(--s7)}
.footer-registration{display:flex;align-items:center;gap:var(--s3);font-size:var(--footer-info-size);line-height:var(--s6)}
.footer-registration a{display:inline-flex;align-items:center;gap:var(--s2);color:inherit}
.footer-registration a:hover{text-decoration:underline}
.footer-registration a:focus-visible{outline:1px solid currentColor;outline-offset:var(--s1)}
.footer-registration img{width:var(--s6);height:var(--s6)}
.footer-operator{margin:0;font-size:var(--footer-info-size);line-height:var(--s6)}

.account{position:relative}.message-panel{position:absolute;z-index:20;right:0;top:calc(100% + var(--s5));width:calc(var(--s14) * 3);padding:var(--s10) var(--s6);border:1px solid var(--stroke);border-radius:var(--radius-card);background:var(--paper);box-shadow:var(--card-shadow);color:var(--muted);text-align:center}.message-panel[hidden]{display:none}

a.resource-entry img{pointer-events:auto;cursor:pointer}a.resource-entry:focus-visible{outline:none}a.resource-entry:focus-visible .resource-label{outline:2px solid var(--primary);outline-offset:var(--s1)}

/* Keep the 1920px design canvas centered; exported artwork is genuine 2x. */
.banner::before{display:none}
.banner-slide{position:absolute;inset:0;overflow:hidden;opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--banner-fade-duration) ease-in-out,visibility 0s linear var(--banner-fade-duration)}
.banner-slide.is-active{opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s}
.banner-slide[hidden]{display:none}
.banner-slide-original::before{content:'';position:absolute;left:0;top:0;width:calc(50% + var(--banner-tint-width));height:100%;background:var(--banner-tint)}
.banner-art{position:absolute;left:50%;top:0;transform:translateX(-50%);width:100%;min-width:var(--canvas-width);height:var(--banner-art-height);object-fit:cover}
.banner-dots{left:50%;transform:translateX(-50%);bottom:var(--banner-dots-bottom);width:auto;height:var(--banner-dot-hit);gap:var(--s3)}
.banner-dots .banner-dot{position:relative;width:var(--banner-dot-size);height:var(--banner-dot-hit);background:none;border-radius:var(--radius-search)}
.banner-dots .banner-dot::before{content:'';position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);height:var(--banner-dot-size);border-radius:var(--radius-search);background:var(--paper)}
.banner-dots .banner-dot.selected{width:var(--banner-dot-active)}
.banner-dot:focus-visible{outline-color:var(--paper)}
@media(prefers-reduced-motion:reduce){.banner-slide{transition:none}}

.voice-status{position:absolute;left:calc(var(--s6) + var(--s10));right:var(--s14);bottom:var(--s1);font-size:12px;line-height:16px;color:var(--nav);pointer-events:none}.voice-status[hidden]{display:none}.voice-button.is-listening{color:var(--active);background:var(--stroke);border-radius:var(--radius-pill);box-shadow:0 0 0 var(--s2) var(--stroke)}.voice-button.is-listening svg path{fill:currentColor}