:root{--navy:#071b32;--navy2:#0c2947;--blue:#185de0;--lime:#d3f76b;--ink:#142b43;--muted:#647280;--paper:#f8faf9;--line:#dce3e7;--mono:'SFMono-Regular',Consolas,'Liberation Mono',monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,'Microsoft YaHei','PingFang SC',system-ui,sans-serif;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #3482ff;outline-offset:6px}button{color:inherit}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}button{border:0}::selection{background:var(--lime);color:var(--navy)}.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.section{padding-block:104px}.header{height:88px;padding:0 56px;background:var(--navy);color:#fff;display:flex;align-items:center;gap:38px;border-bottom:1px solid #ffffff18;position:sticky;top:0;z-index:30}.brand{display:flex;gap:12px;align-items:center;flex-shrink:0}.brand img{border-radius:50%}.brand>span{font-size:22px;font-weight:750;letter-spacing:2px}.brand small{display:block;font-family:var(--mono);font-size:8px;font-weight:400;letter-spacing:1.1px;margin-top:3px}.header nav{display:flex;gap:32px;margin-left:auto}.header nav a{font-size:13px;color:#c6d0d9;transition:color .2s}.header nav a:hover,.header nav a.active{color:var(--lime)}.nav-join{border:1px solid #a9bcce55;padding:12px 18px;font-size:13px;border-radius:3px}.nav-join span{margin-left:22px;color:var(--lime);font-size:18px}.menu-toggle{display:none}.skip-link{position:fixed;top:-80px;left:16px;background:var(--lime);padding:12px;z-index:100}.skip-link:focus{top:12px}.hero{position:relative;overflow:hidden;color:white;background:var(--navy)}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(#ffffff04 1px,transparent 1px),linear-gradient(90deg,#ffffff04 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to right,transparent,#000)}.hero-orbit{position:absolute;width:850px;height:850px;border:1px solid #3c657b2b;border-radius:50%;top:-100px;right:-140px;box-shadow:0 0 0 70px #17354d12,0 0 0 140px #17354d10}.hero-inner{position:relative;display:grid;grid-template-columns:1fr 1.03fr;align-items:center;gap:48px;min-height:680px;padding-block:70px 62px}.eyebrow{font-size:11px;letter-spacing:1.1px;display:flex;gap:10px;align-items:center;color:#bacad8;white-space:nowrap}.status-dot{display:inline-block;flex-shrink:0;width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px #cafa7770}.since{margin-left:12px;font-family:var(--mono);font-size:10px;color:#93a5b5}.hero h1{font-size:clamp(52px,5.55vw,80px);line-height:1.18;letter-spacing:-3px;font-weight:850;margin-top:29px}.lime-word{color:var(--lime);position:relative}.spark{display:inline-block;font-family:system-ui;font-size:64px;vertical-align:top;line-height:1;margin-left:18px;font-weight:400;animation:turn 35s linear infinite}.hero-sub{font-size:20px;letter-spacing:5px;margin-top:27px;color:#e6edf4}.hero-description{font-size:13px;line-height:1.95;color:#93a7b9;margin-top:17px}.hero-actions{display:flex;align-items:center;gap:30px;margin-top:31px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:46px;padding:17px 24px;font-size:14px;font-weight:650;border-radius:3px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-3px);background:#e1ff95}.button span{font-size:21px}.lime{background:var(--lime);color:var(--navy)}.text-link{display:inline-flex;align-items:center;gap:10px;font-size:12px;background:none;padding:0}.play-icon{border:1px solid #7991a6;border-radius:50%;width:29px;height:29px;display:grid;place-items:center}.hero-note{font-size:9px;font-family:var(--mono);letter-spacing:1.2px;color:#8397a8;display:flex;align-items:center;gap:12px;margin-top:39px}.hero-note i{height:1px;width:23px;background:#496174}.hero-visual{position:relative;align-self:center;margin-top:14px;padding-bottom:25px;min-width:0}.photo-coordinate{display:flex;justify-content:space-between;gap:8px;font:8px var(--mono);letter-spacing:1.3px;color:#9caebd;margin-bottom:12px}.photo-coordinate span{font-size:8px;letter-spacing:0}.main-photo{height:421px;position:relative;clip-path:polygon(0 0,90% 0,100% 12%,100% 100%,0 100%);border-radius:5px;overflow:hidden}.main-photo>img{width:100%;height:100%;object-fit:cover;object-position:50% 48%;filter:saturate(.82)}.photo-shade{position:absolute;inset:0;background:linear-gradient(transparent 55%,#05182bef)}.photo-label{position:absolute;bottom:24px;left:24px;right:24px;display:flex;gap:9px;align-items:center;font-size:11px;letter-spacing:1px}.photo-number{margin-left:auto;color:#c2ced6;font:7px var(--mono);letter-spacing:1px}.floating-stamp{position:absolute;top:-30px;right:12px;background:var(--lime);color:var(--navy);padding:23px 24px;transform:rotate(7deg);font-size:22px;line-height:1.35;box-shadow:0 8px 30px #0002}.floating-stamp strong{font-weight:850}.floating-stamp>span{font:7px var(--mono);letter-spacing:.7px;display:block;margin-top:12px}.lab-status{display:flex;gap:10px;align-items:center;position:relative;background:#102d47;border:1px solid #355269;border-radius:4px;margin:-1px 0 0 33px;padding:19px 21px;box-shadow:0 15px 30px #0002}.lab-status>span:nth-child(2){font-size:10px;color:#9db3c3}.lab-status b{margin-left:auto;font-family:var(--mono);font-size:21px;font-weight:500}.lab-status b span{color:var(--lime);padding-left:20px}.hero-bottom{position:relative;border-top:1px solid #ffffff1c;display:flex;align-items:center;justify-content:space-between;padding-block:22px 24px;color:#8ba0b0;font-size:10px;letter-spacing:1.5px}.hero-bottom a{font:9px var(--mono);letter-spacing:1px}.hero-bottom a span{font-size:18px;margin-left:30px;color:var(--lime)}.ticker{overflow:hidden;background:var(--lime);color:var(--navy);padding:18px 0;white-space:nowrap;font:600 13px var(--mono);letter-spacing:2px}.ticker>div{width:max-content;animation:marquee 45s linear infinite}.ticker span{font-size:23px;margin:0 36px;vertical-align:middle}.section-kicker{display:flex;justify-content:space-between;gap:20px;font-size:11px;letter-spacing:1px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:38px}.section-kicker>span:first-child{font-family:var(--mono);font-size:10px;letter-spacing:1.4px}.section-kicker>span:last-child{color:var(--muted)}h2{font-size:42px;line-height:1.4;letter-spacing:-1.5px;font-weight:800}.blue-text{color:var(--blue)}.about-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:start}.about-heading p{font-size:13px;line-height:2;color:var(--muted);margin:2px 0 15px}.inline-link{display:inline-flex;align-items:center;gap:35px;font-size:12px;font-weight:650;border-bottom:1px solid #a7b5c3;padding-bottom:9px}.inline-link:hover{color:var(--blue)}.inline-link span{font-size:19px}.values{display:grid;grid-template-columns:repeat(4,1fr);margin-top:55px;border-top:1px solid var(--line);padding-top:30px}.values article{padding-left:26px;border-left:1px solid var(--line)}.values article:first-child{padding-left:0;border:0}.value-mark{font-size:41px;font-family:var(--mono);font-weight:500;letter-spacing:-2px;display:block;line-height:1.2}.value-mark span{font-size:25px;color:var(--blue);margin-left:9px}.values h3{font-size:13px;margin-top:14px;font-weight:650}.values p{font-size:11px;color:var(--muted);line-height:1.8;margin-top:9px}.learn-section{background:#eff3f4}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}.section-heading>p{font-size:12px;line-height:1.9;color:var(--muted);padding-bottom:8px}.learning-tabs{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #d4dfe6}.learning-tabs button{background:transparent;padding:22px 23px;display:flex;align-items:center;gap:15px;font:11px var(--mono);border-right:1px solid #d4dfe6;text-align:left}.learning-tabs button:last-child{border:0}.learning-tabs button span{font-family:'Microsoft YaHei',system-ui,sans-serif;font-size:14px;font-weight:650}.learning-tabs button b{margin-left:auto;font-size:21px;font-weight:400}.learning-tabs button[aria-selected=true]{color:white;background:var(--navy)}.learning-tabs button[aria-selected=true] b{color:var(--lime)}.learning-panel{background:white;padding:46px;display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center;border:1px solid #d4dfe6;border-top:0}.mini-label{font:10px var(--mono);letter-spacing:1.5px;color:var(--blue)}.learning-copy h3{font-size:27px;line-height:1.6;letter-spacing:-.8px;margin-top:20px}.learning-copy>p{font-size:12px;line-height:2;color:var(--muted);margin-top:17px;max-width:390px}.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:23px}.tags span{font-size:10px;border:1px solid var(--line);padding:6px 9px;border-radius:2px;color:#536775}.learning-route{display:flex;gap:12px;align-items:center;font-size:10px;margin-top:25px;color:#526674}.learning-route b{color:var(--blue);font-size:15px;font-weight:400}.learning-copy .inline-link{margin-top:28px}.circuit-art{position:relative;background:#0b243d;border-radius:8px;min-height:340px;overflow:hidden;display:grid;place-items:center;color:#7baf96;background-image:radial-gradient(#91b4b725 1px,transparent 1px);background-size:17px 17px}.scene{position:absolute;inset:0;display:grid;place-items:center}.scene[hidden]{display:none}.board-label{position:absolute;left:21px;right:21px;top:20px;display:flex;justify-content:space-between;font:8px var(--mono);letter-spacing:1px;color:#91a9b8}.traces{position:absolute;inset:0;width:100%;height:100%;color:#5f9875;opacity:.65}.chip{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;width:136px;height:136px;border:7px solid #adc1bd;outline:8px dashed #738b89;background:#172426;box-shadow:0 10px 30px #0008;transform:rotate(-8deg)}.chip-brand{font:7px var(--mono);letter-spacing:1px;color:#728e8b}.chip strong{font:25px var(--mono);color:#edf5df;margin-top:13px}.chip>span:nth-last-child(2){font:7px var(--mono);margin-top:8px;letter-spacing:.5px;color:#a1b3a5}.chip-dot{position:absolute;width:5px;height:5px;background:#b2c4ae;border-radius:50%;left:8px;bottom:8px}.board-components{position:absolute;right:30px;top:75px;display:flex;gap:7px}.board-components i{width:8px;height:25px;background:#536554;border-block:5px solid #b4bca6}.board-bottom{position:absolute;bottom:19px;left:21px;right:21px;display:flex;justify-content:space-between;align-items:center;gap:8px;font:8px var(--mono)}.board-bottom>span{display:flex;align-items:center;gap:7px;color:#a6b8bd}.board-bottom i{width:9px;height:9px;display:block;background:#536574;border:1px solid #7d918a;border-radius:50%}.board-bottom i.on{background:var(--lime);box-shadow:0 0 9px 4px #b9fa6555;border-color:#edffc9}.board-bottom button{border:1px solid #cbed8055;border-radius:2px;color:var(--lime);font-size:10px;background:#162f3f;padding:9px 10px}.board-bottom button span{padding-left:9px}
.led-lamp{position:absolute;left:52px;top:142px;width:36px;height:36px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#4a2a28,#251114 72%);border:3px solid #a9bab6;box-shadow:inset 0 -4px 8px #0008;transition:background .3s,box-shadow .3s}
.led-lamp::after{content:'';position:absolute;left:8px;right:8px;bottom:-9px;height:5px;background:#7d918a;border-radius:2px;box-shadow:0 6px 0 -1px #7d918a}
.circuit-art.running .led-lamp{background:radial-gradient(circle at 35% 30%,#ffe0d6,#ff3b30 58%,#8f1210);border-color:#e8f2e6;box-shadow:0 0 22px 8px #ff4b3a55,inset 0 -4px 8px #0004}
.scope{position:absolute;inset:0;width:100%;height:100%}
.scope-screen{fill:#04101c;stroke:#2c5069;stroke-width:2}
.scope-grid{stroke:#15324a;stroke-width:1}
.wave{stroke:#33544b;stroke-width:3;fill:none;stroke-linejoin:round;transition:stroke .3s}
.circuit-art.running .wave{stroke:var(--lime);filter:drop-shadow(0 0 7px #d3f76b88);stroke-dasharray:36 14;animation:wave-run 1.6s linear infinite}
@keyframes wave-run{to{stroke-dashoffset:-100}}
.scope-read{font:11px var(--mono);letter-spacing:1px;fill:#6d8595}
.scope-vout{font-size:12px}
.circuit-art.running .scope-vout{fill:var(--lime)}
.scope-right{text-anchor:end}
.knobs circle{fill:#0f2b44;stroke:#3a5a74;stroke-width:2}
.knobs path{stroke:#c7d6cf;stroke-width:2;stroke-linecap:round}
.track-svg{position:absolute;inset:0;width:100%;height:100%}
.road{stroke:#14344e;stroke-width:38;fill:none}
.road-center{stroke:#4b7f68;stroke-width:2;fill:none;stroke-dasharray:12 16}
.checker rect{fill:#cfe0d8}
.waypoint{fill:#2c5069}
.rover-body{fill:#123049;stroke:#9fb8c8;stroke-width:2}
.rover-stripe{fill:var(--lime)}
.rover-eye{fill:#d3f76b}
.rover-wheel{fill:#0a1e30;stroke:#3a5a74}
.beam{fill:var(--lime);opacity:0;transition:opacity .3s}
.circuit-art.running .beam{opacity:.28}.learning-foot{display:flex;gap:30px;align-items:center;justify-content:space-between;font-size:11px;margin-top:22px}.learning-foot>span{font-weight:650}.learning-foot p{color:var(--muted);font-size:10px}.competition-feature{display:grid;grid-template-columns:1.15fr 1fr;gap:0;background:#eff3f4}.competition-photo{position:relative;min-height:390px}.competition-photo img{width:100%;height:100%;object-fit:cover}.competition-photo>span{position:absolute;bottom:20px;left:22px;color:white;font:9px var(--mono);padding:8px 11px;background:#071b32bc;letter-spacing:1px}.competition-story{padding:38px}.competition-story h3{font-size:28px;line-height:1.5;margin-top:21px}.competition-story>p{font-size:12px;line-height:2;color:var(--muted);margin-top:16px}.competition-stat{display:flex;gap:25px;align-items:center;padding-top:23px;margin-top:23px;border-top:1px solid #d4dfe4}.competition-stat strong{font:54px var(--mono);color:var(--blue);line-height:1}.competition-stat small{font-size:13px;margin-left:7px}.competition-stat>span{font-size:11px;line-height:1.8}.competition-story .tags{margin-top:24px}.honor-list{margin-top:45px}.list-heading{display:flex;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid #aebbc5;font:10px var(--mono);letter-spacing:1px}details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:35px;padding:24px 0;transition:color .2s}summary::-webkit-details-marker{display:none}summary:hover{color:var(--blue)}summary>b{font:23px var(--mono);width:145px;flex-shrink:0}summary>span{font-size:13px}summary>i{margin-left:auto;font:23px var(--mono);font-style:normal;transition:transform .2s}details[open]>summary>i{transform:rotate(45deg);color:var(--blue)}.honor-detail{padding:0 40px 25px 180px}.honor-detail p{display:flex;justify-content:space-between;gap:20px;font-size:11px;line-height:1.8;margin-top:10px}.honor-detail strong{font-weight:500}.honor-detail span{color:var(--blue);text-align:right}.source-note{color:#84919b;font-size:9px;margin-top:16px}.people-section{background:var(--navy);color:#fff;position:relative;overflow:hidden}.people-section .section-kicker{border-color:#ffffff21}.people-section .section-kicker>span:last-child{color:#8ca3b6}.people-heading{position:relative;padding-top:8px}.quote-mark{display:block;width:fit-content;color:var(--lime);font:84px/0.7 Georgia,serif;margin:-8px 0 2px -10px}.people-heading h2{font-size:48px}.people-heading h2 span{color:var(--lime)}.people-heading>p{color:#97aabc;font-size:12px;line-height:2;margin-top:23px}.alumni-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}.alumni-grid article{border:1px solid #69819655;padding:28px;background:#0d2741}.alumni-grid article>span{color:#819aad;font-size:10px;letter-spacing:1px}.alumni-grid h3{font-size:21px;display:flex;gap:12px;justify-content:space-between;margin-top:29px}.alumni-grid h3 b{font-size:22px;font-weight:400;color:var(--lime)}.alumni-grid p{font-size:11px;line-height:2;color:#9aafbe;margin-top:18px}.alumni-grid small{display:block;font-size:9px;color:#aac0cd;border-top:1px solid #ffffff20;margin-top:27px;padding-top:20px}.alumni-grid .your-story{background:var(--lime);color:var(--navy);border-color:var(--lime)}.your-story>span{color:#526b33!important}.your-story h3 b{color:var(--navy)}.your-story p{color:#536244}.your-story a{display:flex;justify-content:space-between;font-size:12px;font-weight:650;margin-top:27px;border-top:1px solid #071b3240;padding-top:18px}.gallery{display:grid;grid-template-columns:1.28fr 1fr;gap:22px}.gallery-card{position:relative;min-height:380px;overflow:hidden;padding:0;text-align:left;color:white;background:var(--navy)}.gallery-card>img{width:100%;height:380px;object-fit:cover;transition:transform .5s}.gallery-card:hover>img{transform:scale(1.035)}.gallery-card::after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 45%,#071b32da)}.gallery-card>span{position:absolute;z-index:1;bottom:25px;left:27px;right:27px;display:grid;grid-template-columns:1fr auto}.gallery-card small{font:9px var(--mono);letter-spacing:1.5px;margin-bottom:10px;grid-column:1}.gallery-card b{font-size:20px;font-weight:600;grid-column:1}.gallery-card i{grid-column:2;grid-row:1/3;align-self:end;display:grid;place-items:center;width:39px;height:39px;border:1px solid #ffffff66;border-radius:50%;font-size:22px;font-style:normal}.join-section{background:#eaf0f2}.join-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:45px;align-items:center}.join-copy .mini-label{color:#667b88;font-size:9px}.join-copy h2{font-size:55px;line-height:1.3;position:relative;margin-top:19px}.join-copy h2>span{color:var(--blue)}.join-copy h2>b{position:absolute;font-weight:400;font-size:88px;right:24px;top:37px;color:var(--blue)}.join-copy>p{font-size:12px;line-height:2;color:var(--muted);margin-top:23px}.join-location{display:flex;align-items:center;gap:12px;margin-top:28px}.join-location>span{font-size:28px;color:var(--blue)}.join-location small{display:block;font-size:9px;color:var(--muted);margin-bottom:6px}.join-location strong{font-size:11px;font-weight:600}.join-links{display:flex;gap:20px;margin-top:29px}.join-links>a,.join-links>button{font-size:10px;text-decoration:underline;text-underline-offset:5px}.qr-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.qr-card{padding:23px 20px;background:white;border:1px solid var(--line);border-radius:5px;text-align:center;min-width:0;display:flex;flex-direction:column;align-items:center}.qr-category{display:flex;width:100%;justify-content:space-between;align-items:center;font:8px var(--mono);letter-spacing:.4px;color:#708291}.qr-category b{color:var(--blue);font-size:20px;font-weight:400}.qr-card>img{width:182px;height:188px;object-fit:contain;margin:20px auto 15px}.qr-card h3{font-size:16px;line-height:1.5}.qr-card p{font-size:10px;color:var(--muted);margin-top:9px}.copy-button{display:flex;align-items:center;gap:10px;justify-content:center;font:12px var(--mono);background:#f2f5f7;border-radius:3px;padding:12px 8px;width:100%;margin-top:19px;white-space:nowrap}.copy-button>span{font:8px system-ui;color:var(--blue)}.qr-card>a{font-size:9px;color:#738594;display:inline-block;margin-top:18px;text-decoration:underline;text-underline-offset:4px}.bilibili-word{font:bold italic 25px 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#546c80;border-radius:8px;background:var(--navy);color:white;max-width:min(900px,92vw);max-height:92vh;overflow:auto}dialog::backdrop{background:#020d1edd;backdrop-filter:blur(8px)}dialog>img{max-height:78vh;max-width:100%;width:auto;object-fit:contain;margin:auto}dialog>p{font-size:12px;color:#c4d4df;text-align:center;padding-top:15px;line-height:1.6}.dialog-close{position:sticky;top:0;float:right;width:34px;height:34px;margin:0 0 8px 8px;border-radius:50%;background:var(--lime);color:var(--navy);font-size:27px;z-index:1}.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);background:var(--navy);border:1px solid #759097;border-radius:5px;color:white;z-index:80;padding:14px 23px;font-size:12px;max-width:90%;text-align:center;opacity:0;visibility:hidden;transition:.2s}.toast.visible{opacity:1;visibility:visible;transform:translate(-50%,0)}@keyframes turn{to{transform:rotate(360deg)}}@keyframes marquee{to{transform:translateX(-35%)}}
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@keyframes fade-in{from{opacity:0}}
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