@font-face{font-family:Shanshan;src:url('/assets/linshanshan-name.ttf') format('truetype');font-display:swap}
:root{color-scheme:dark;--bg:#090b0a;--text:#edf2ed;--muted:#8d968f;--line:#ffffff15;--green:#b0ed8d;--soft:#b9d4bd;--radius:22px;font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;font-synthesis:none}
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@media(min-width:1650px){.hero{min-height:800px}.hero-art{right:-70px;width:66%}.hero-njfu{font-size:196px}.guide-title{font-size:90px}}
@media(max-width:1100px){.shell{width:calc(100% - 72px)}.hero{padding-top:65px;min-height:730px}.hero-art{right:-20px;width:65%;opacity:.8}.hero-description{display:block}.hero-description p{margin-top:13px;border:0;padding:0}.assistant-card{gap:32px;padding:38px}.assistant-copy h3{font-size:28px}.assistant-preview{padding:23px}.card-top{padding-inline:20px}.card-content{padding-inline:20px}.card-content h3{font-size:20px}.build-layout{gap:50px}.contribution-panel{padding-left:35px}.desktop-nav{gap:22px}}
@media(max-width:800px){.shell{width:calc(100% - 44px)}.header{height:82px}.desktop-nav{display:none}.hero{padding-top:50px;min-height:740px;align-items:start}.hero-copy{width:100%}.eyebrow{margin-bottom:28px}.welcome{font-size:19px}.hero-njfu{font-size:clamp(114px,19vw,150px)}.guide-title{font-size:clamp(47px,8vw,64px)}.hero-description h2{font-size:16px}.hero-art{top:20px;height:600px;width:72%;right:-22px;opacity:.6;mask-image:linear-gradient(90deg,transparent,#000 40%)}.hero-description,.hero-actions{position:relative}.hero-baseline>span{display:none}.section{padding-top:64px}.section-heading{align-items:start;gap:20px;margin-bottom:25px}.section-heading>p{max-width:190px;padding-top:24px;font-size:11px}.section-heading h2{font-size:27px}.assistant-card{gap:25px;padding:32px;grid-template-columns:1fr 1fr}.assistant-copy h3{font-size:24px}.assistant-copy>p{font-size:11px}.assistant-preview{padding:17px}.preview-question{font-size:11px;margin-left:0;padding:14px}.preview-answer{font-size:11px}.preview-top{font-size:6px}.preview-source{font-size:8px;padding:12px;gap:8px}.feature-tags{gap:8px;font-size:8px}.feature-tags span+span{padding-left:8px}.button{padding-inline:18px;font-size:12px;gap:22px}.guide-grid{gap:12px}.card-top{padding:17px 16px 0}.card-art{height:150px}.card-content{padding:14px 16px 21px}.card-content h3{font-size:17px;line-height:1.5}.card-content>p:not(.card-kicker){font-size:10px}.status{font-size:8px;padding:5px 6px}.food-art b{font-size:23px}.food-art i{width:135px;height:105px}.food-art i:nth-child(2){width:107px;height:78px}.food-art i:nth-child(3){width:80px;height:50px}.map-word{font-size:20px;left:26%}.club-flower{font-size:134px}.club-orbit{font-size:6px;right:12px}.roadmap-intro{min-width:180px}.campus-filter{gap:0}.campus-filter button{padding:7px 10px;font-size:10px}.roadmap{padding-bottom:65px}.build-section{padding-block:58px}.build-layout{gap:30px}.build-copy h2{font-size:38px}.build-copy>p:not(.section-index){font-size:11px}.contribution-panel{padding-left:25px}.contribution-panel h3{font-size:17px}.contribution-panel>p,.contribution-panel li p{font-size:10px}.contribution-panel h4{font-size:12px}.email-link{font-size:25px;gap:20px}.closing-spark{font-size:60px}.footer{flex-wrap:wrap;gap:15px}.footer>p{order:3;width:100%;font-size:9px}}
@media(max-width:600px){.shell{width:calc(100% - 40px)}.header{height:76px}.brand{font-size:16px;gap:9px}.brand svg{width:28px;height:28px}.brand-sub{font-size:7px}.header-entry{font-size:11px;gap:12px}.hero{min-height:620px;min-height:min(650px,calc(100svh - 76px));padding-top:42px;padding-bottom:94px}.eyebrow{font-size:10px;letter-spacing:.08em;margin-bottom:28px}.welcome{font-size:16px;margin-bottom:18px;letter-spacing:.17em}.hero-njfu{font-size:clamp(100px,26vw,148px);line-height:.86}.title-spark{font-size:26px;right:-43px;top:5px}.guide-title{font-size:clamp(39px,10.6vw,60px);margin-top:17px}.hero-description{margin-top:27px}.hero-description h2{font-size:15px;letter-spacing:.05em}.hero-description p{font-size:11px;line-height:1.9;max-width:70%;margin-top:12px}.hero-art{width:78%;height:480px;right:-20px;top:120px;opacity:.58;mask-image:linear-gradient(90deg,transparent,#000 38%)}.art-coordinate{display:none}.hero-actions{gap:19px;margin-top:28px;flex-wrap:wrap}.hero-actions .button{min-height:45px;font-size:11px;padding:0 16px;gap:18px}.hero-actions .text-link{font-size:10px;gap:8px}.hero-baseline{min-height:59px;font-size:10px}.campus-names{font-size:10px;gap:14px}.scroll-link{gap:13px}.section{padding-top:53px}.section-heading{display:block;margin-bottom:24px}.section-index{font-size:8px;margin-bottom:14px}.section-heading h2{font-size:26px}.section-heading>p{max-width:none;padding:0;margin-top:12px;font-size:11px}.section-heading>p br{display:none}.assistant-card{display:block;padding:27px 24px 30px;border-radius:17px}.assistant-copy h3{font-size:28px;line-height:1.45;margin-top:18px;margin-bottom:13px}.status{font-size:9px;padding:5px 8px}.assistant-copy>p{font-size:11px}.feature-tags{font-size:9px;gap:12px;margin:18px 0 22px}.feature-tags span+span{padding-left:12px}.assistant-preview{margin:35px 2px 0;padding:22px;transform:rotate(-2deg)}.preview-top{font-size:7px}.preview-question{font-size:12px;margin-top:20px;margin-left:25px}.preview-answer{font-size:12px}.preview-source{font-size:9px}.preview-note{font-size:8px}.roadmap-intro{margin-top:15px}.roadmap-intro>p{font-size:11px}.campus-filter{gap:5px;margin-top:19px}.campus-filter button{padding:8px 15px;font-size:11px}.guide-grid{grid-template-columns:1fr;gap:17px}.guide-card{min-height:295px}.card-top{padding:20px 22px 0}.card-art{position:absolute;right:0;top:62px;width:49%;height:152px;margin:0;opacity:.75;pointer-events:none}.card-content{padding:35px 22px 22px;position:relative;z-index:1}.card-kicker{font-size:8px;margin-bottom:14px}.card-content h3{font-size:23px;margin-bottom:13px}.card-content>p:not(.card-kicker){font-size:11px;max-width:78%;text-shadow:0 1px 10px #111411}.card-link{margin-top:27px;padding-top:18px;font-size:11px}.food-art b{font-size:24px}.food-art i{width:145px;height:113px}.map-word{font-size:21px}.pin-one{left:8%}.club-flower{font-size:145px;opacity:.6}.club-orbit{display:none}.open-road{gap:18px;align-items:start;padding-block:23px}.open-road>div{gap:13px}.open-road strong{font-size:12px;line-height:1.6}.open-road p>span{font-size:10px}.open-road>a{font-size:10px;padding-top:5px}.open-road>a>span{display:block;margin:10px 0 0;text-align:right}.build-layout{grid-template-columns:1fr;gap:38px}.build-section{padding:49px 0}.build-copy h2{font-size:44px}.build-copy>p:not(.section-index){font-size:12px}.email-link{font-size:30px;margin-top:25px;gap:40px}.contribution-panel{border-left:0;border-top:1px solid #aec39e25;padding:29px 0 0}.contribution-panel h3{font-size:20px}.contribution-panel>p,.contribution-panel li p{font-size:11px}.contribution-panel h4{font-size:13px}.contribution-panel li{margin-top:20px}.afterword{padding-top:40px}.letter h2{font-size:21px}.letter-intro{font-size:10px}.letter-toggle{width:34px;height:34px;flex-shrink:0;font-size:19px}.letter-body{font-size:12px;line-height:2;padding-bottom:22px}.letter-belief{font-size:16px}.closing{padding-block:44px}.closing h2{font-size:36px}.closing p{font-size:7px;letter-spacing:.16em;margin-bottom:15px}.closing-spark{font-size:41px;right:0;top:49px}.footer{padding-top:20px;padding-bottom:25px;gap:13px}.footer-brand{font-size:13px}.footer-brand span{font-size:7px;margin-left:3px}.footer>div{gap:13px;font-size:9px}.dialog{padding:30px 23px 23px;border-radius:16px}.dialog h2{font-size:25px}.dialog>p:not(.section-index){font-size:12px}.dialog ul{font-size:12px}.form-row{gap:10px}.form-actions{gap:15px}.form-actions .button{font-size:11px;gap:15px}.form-actions .text-link{font-size:10px}}
@media(max-width:360px){.shell{width:calc(100% - 32px)}.hero{min-height:610px}.hero-art{right:-16px}.hero-actions{gap:14px}.hero-njfu{font-size:25vw}.title-spark{right:-33px;font-size:22px}.guide-title{font-size:10.3vw}.closing h2{font-size:31px}.closing-spark{font-size:32px}.feature-tags{gap:8px}.feature-tags span+span{padding-left:8px}.button{gap:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.guide-card:hover,.button:hover{transform:none}.club-card:hover .club-flower{transform:rotate(-10deg)}}

/* Tighter spacing after removing decorative captions. */
.roadmap-intro{min-width:0}.roadmap-intro .campus-filter{margin-top:0}
.build-copy>p:not(.section-index){max-width:30em}
/* 标题「给我们投稿/加入我们」在窄屏只在斜杠处换行，不从词中间断开 */
.build-copy h2{word-break:keep-all;overflow-wrap:anywhere}
/* 社团入驻：需要比普通段落显眼一点，用左侧竖线做强调 */
.build-copy .build-clubs{color:#cfe0c4!important;font-size:14px!important;border-left:2px solid #b0ed8d55;padding-left:16px}
.build-copy .build-clubs .text-link{font-size:13px;margin-left:6px}
@media(max-width:600px){.hero{min-height:min(590px,calc(100svh - 76px))}.roadmap-intro{margin-top:18px}}
@media(max-width:360px){.hero{min-height:550px}}

/* Draw decorative asterisks as vectors so mobile fonts cannot replace them with emoji. */
.spark-symbol{display:block;width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:6;stroke-linecap:butt}
.title-spark{color:var(--green)}
.club-flower{display:block;width:1em;height:1em;flex-shrink:0}

.dialog .recipient-note{margin:18px 0 0;font-size:12px;line-height:1.9;overflow-wrap:anywhere;color:#c0cbb9}
.recipient-note a{color:var(--green);overflow-wrap:anywhere}
.draft-status,.dialog-note{overflow-wrap:anywhere}
.email-address{min-width:0;overflow-wrap:anywhere}
.email-link{width:fit-content;max-width:100%;gap:16px;font-size:clamp(18px,2.4vw,30px)}
.email-link>span:last-child{flex-shrink:0}
.handbook-source{color:#99aa90;font-size:12px;line-height:1.85;overflow-wrap:anywhere}
.handbook-source a{color:#c0dfa9;text-decoration:underline;text-decoration-color:#c0dfa960;text-underline-offset:3px;overflow-wrap:anywhere}
.handbook-source a:hover{color:var(--green)}
.contact-body .handbook-source{font-size:12px;color:#99aa90;margin-top:10px}