:root {
    --ink: #06101d;
    --ink-2: #0b1828;
    --panel: #101f31;
    --line: rgba(255,255,255,.13);
    --muted: #9caabd;
    --paper: #f4f7f8;
    --white: #fff;
    --cyan: #26d9ff;
    --blue: #2577ff;
    --lime: #b8f238;
    --orange: #ff7848;
    --container: min(1180px, calc(100vw - 48px));
    --radius: 24px;
    --shadow: 0 30px 80px rgba(0,0,0,.28);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { background: var(--ink); color: var(--white); font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; overflow-x: hidden; }
body.modal-open { overflow: hidden; }
button, a, input { font: inherit; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { border: 0; cursor: pointer; }
::selection { color: var(--ink); background: var(--lime); }
.container { width: var(--container); margin-inline: auto; }
.skip-link { position: fixed; z-index: 20000; top: 10px; left: 10px; padding: 10px 16px; color: var(--ink); background: var(--lime); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

/* Welcome */
.welcome-screen { position: fixed; inset: 0; z-index: 10000; display: grid; place-content: center; justify-items: center; background: var(--ink); overflow: hidden; transition: opacity .6s ease, visibility .6s ease; }
.welcome-screen.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.welcome-grid, .hero-grid { position: absolute; inset: 0; opacity: .2; background-image: linear-gradient(rgba(38,217,255,.17) 1px, transparent 1px), linear-gradient(90deg, rgba(38,217,255,.17) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, black, transparent 90%); }
.welcome-logo { width: 150px; height: 150px; object-fit: contain; filter: drop-shadow(0 0 28px rgba(38,217,255,.24)); animation: introLogo .8s ease both; }
.welcome-kicker { margin-top: 22px; color: var(--cyan); font-size: 12px; font-weight: 800; letter-spacing: .35em; }
.welcome-title { margin-top: 7px; font-size: clamp(30px, 5vw, 56px); font-weight: 900; letter-spacing: -.06em; }
.welcome-track { width: min(340px, 70vw); height: 3px; margin-top: 28px; background: rgba(255,255,255,.1); overflow: hidden; }
.welcome-track span { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--lime)); transform-origin: left; animation: introTrack 1.65s ease both; }
.welcome-skip { margin-top: 22px; padding: 8px; color: var(--muted); background: transparent; font-size: 12px; }
@keyframes introLogo { from { opacity: 0; transform: scale(.8) rotate(-4deg); } }
@keyframes introTrack { from { transform: scaleX(0); } }

/* Navigation */
.site-header { position: fixed; z-index: 1000; top: 0; left: 0; width: 100%; transition: background .25s, border-color .25s; }
.site-header.scrolled { background: rgba(6,16,29,.84); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.nav-shell { width: min(1280px, calc(100vw - 36px)); height: 82px; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 48px; height: 48px; object-fit: contain; }
.brand span { display: grid; gap: 1px; }
.brand b { font-size: 14px; letter-spacing: .11em; }
.brand small { color: var(--muted); font-size: 11px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links > a { color: rgba(255,255,255,.78); font-size: 14px; transition: color .2s; }
.nav-links > a:hover { color: var(--cyan); }
.nav-join { padding: 12px 20px; color: var(--ink); background: var(--lime); border-radius: 999px; font-weight: 800; }
.nav-toggle { display: none; width: 42px; height: 42px; background: transparent; }
.nav-toggle span { display: block; width: 24px; height: 2px; margin: 5px auto; background: white; transition: .25s; }

/* Hero */
.hero { position: relative; min-height: 820px; height: 100svh; display: flex; align-items: center; overflow: hidden; background: #07111f; }
.hero-photo { position: absolute; inset: 0; background: url("picture/a28bf22324ede1457951a3d64661e0d.jpg") 63% center / cover no-repeat; transform: scale(1.02); animation: heroIn 1.3s ease both; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,12,23,.98) 0%, rgba(4,12,23,.88) 42%, rgba(4,12,23,.28) 75%, rgba(4,12,23,.55) 100%), linear-gradient(0deg, #06101d 0%, transparent 27%); }
.hero-grid { opacity: .11; }
.hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0,1fr) 310px; gap: 80px; align-items: center; padding-top: 70px; }
.hero-copy { max-width: 790px; }
.eyebrow { width: max-content; max-width: 100%; display: flex; align-items: center; gap: 9px; margin-bottom: 24px; padding: 9px 14px; border: 1px solid rgba(184,242,56,.35); background: rgba(184,242,56,.08); border-radius: 999px; color: #d9ff85; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 6px rgba(184,242,56,.12); animation: pulse 1.5s infinite; }
.hero h1 { max-width: 800px; font-size: clamp(52px, 6.8vw, 98px); line-height: .98; letter-spacing: -.075em; font-weight: 950; text-wrap: balance; }
.hero h1 em { color: transparent; font-style: normal; background: linear-gradient(95deg, var(--cyan), var(--lime)); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 660px; margin-top: 28px; color: #c5cfdb; font-size: clamp(16px, 1.4vw, 20px); line-height: 1.8; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 25px; }
.hero-tags span { padding: 8px 12px; border: 1px solid var(--line); border-radius: 6px; background: rgba(255,255,255,.05); color: #dbe4ed; font-size: 13px; }
.hero-actions, .join-actions, .modal-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { min-height: 52px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; border-radius: 8px; font-size: 15px; font-weight: 800; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--lime); box-shadow: 0 12px 40px rgba(184,242,56,.16); }
.button-primary:hover { background: #ceff64; }
.button-primary b { font-size: 20px; }
.button-ghost { color: white; background: rgba(255,255,255,.06); border: 1px solid var(--line); }
.button-ghost:hover { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.1); }
.hero-note { margin-top: 15px; color: #7f8fa3; font-size: 12px; }
.hero-note span { color: var(--cyan); }
.hero-card { position: relative; min-height: 430px; padding: 32px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); background: rgba(8,22,37,.58); box-shadow: var(--shadow); backdrop-filter: blur(18px); overflow: hidden; }
.hero-card::before { content: ""; position: absolute; top: 0; right: 0; width: 70px; height: 70px; background: linear-gradient(135deg, transparent 50%, var(--lime) 51%); opacity: .9; }
.card-number { color: rgba(255,255,255,.08); font-size: 142px; font-weight: 950; line-height: .75; letter-spacing: -.09em; }
.card-label { margin-top: 16px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .22em; }
.hero-card h2 { margin-top: 5px; font-size: 29px; }
.hero-card dl { margin-top: 25px; border-top: 1px solid var(--line); }
.hero-card dl div { padding: 13px 0; display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); font-size: 12px; }
.hero-card dt { color: var(--muted); }.hero-card dd { text-align: right; font-weight: 700; }
.card-copy { width: 100%; margin-top: 20px; padding: 12px; color: var(--cyan); border: 1px solid rgba(38,217,255,.3); border-radius: 7px; background: rgba(38,217,255,.08); font-weight: 700; }
.scroll-cue { position: absolute; z-index: 3; bottom: 28px; left: 50%; display: flex; align-items: center; gap: 12px; color: #77899d; font-size: 9px; letter-spacing: .23em; transform: translateX(-50%); }
.scroll-cue span { width: 36px; height: 1px; background: var(--cyan); }
.particle { position: absolute; bottom: -10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px currentColor; animation: particleUp linear forwards; }
@keyframes heroIn { from { opacity: .6; transform: scale(1.1); } }
@keyframes pulse { 50% { opacity: .45; } }
@keyframes particleUp { to { transform: translateY(-105vh) translateX(var(--drift)); opacity: 0; } }

/* Common sections */
.section { padding: 120px 0; }
.section-index { color: var(--cyan); font-size: 11px; font-weight: 900; letter-spacing: .24em; text-transform: uppercase; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; margin-bottom: 64px; }
.section-heading h2, .gallery-head h2, .faq-intro h2 { margin-top: 14px; font-size: clamp(40px, 5.2vw, 70px); line-height: 1.08; letter-spacing: -.06em; }
.section-heading > p, .faq-intro > p { color: #718092; font-size: 16px; line-height: 1.9; }
.section-heading.compact { margin-bottom: 52px; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* Signal */
.signal-bar { border-block: 1px solid var(--line); background: #091522; }
.signal-grid { min-height: 112px; display: grid; grid-template-columns: repeat(4,1fr); }
.signal-grid div { padding: 24px 30px; display: grid; align-content: center; gap: 5px; border-right: 1px solid var(--line); }
.signal-grid div:first-child { border-left: 1px solid var(--line); }
.signal-grid strong { color: var(--lime); font-size: 20px; }.signal-grid span { color: var(--muted); font-size: 12px; }

/* About */
.about { color: var(--ink); background: var(--paper); }
.about .section-index { color: #007f9b; }.about .section-heading > p { color: #506072; }
.about-layout { display: grid; grid-template-columns: 1.18fr .82fr; gap: 18px; }
.feature-photo { position: relative; min-height: 580px; border-radius: var(--radius); overflow: hidden; }
.feature-photo img { width: 100%; height: 100%; position: absolute; object-fit: cover; }
.feature-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,12,20,.84), transparent 50%); }
.feature-photo figcaption { position: absolute; z-index: 2; left: 30px; right: 30px; bottom: 28px; display: grid; gap: 6px; color: white; }
.feature-photo figcaption span { color: var(--cyan); font-size: 10px; font-weight: 800; letter-spacing: .25em; }.feature-photo figcaption b { font-size: 22px; }
.value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.value-card { min-height: 281px; padding: 26px; display: flex; flex-direction: column; border: 1px solid #dbe2e7; border-radius: var(--radius); background: white; transition: transform .25s, box-shadow .25s; }
.value-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(5,20,35,.09); }
.value-card > span { color: #0086a4; font: 800 12px monospace; }.value-card h3 { margin-top: auto; font-size: 23px; }.value-card p { margin-top: 10px; color: #657282; font-size: 13px; line-height: 1.7; }

/* Growth */
.growth { background: #0a1725; }
.track-list { border-top: 1px solid var(--line); }
.track-item { min-height: 145px; display: grid; grid-template-columns: 150px 1fr auto; gap: 40px; align-items: center; border-bottom: 1px solid var(--line); transition: padding .25s, background .25s; }
.track-item:hover { padding-inline: 22px; background: linear-gradient(90deg, rgba(38,217,255,.07), transparent); }
.track-step { color: var(--cyan); font: 700 11px monospace; letter-spacing: .13em; }
.track-item h3 { font-size: 27px; }.track-item p { margin-top: 7px; color: var(--muted); font-size: 14px; }
.track-item > span { color: rgba(255,255,255,.05); font-size: clamp(40px,6vw,74px); font-weight: 950; letter-spacing: -.08em; }

/* Competitions */
.competitions { background: var(--ink); }
.competition-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.competition-card { position: relative; min-height: 410px; padding: 42px; display: flex; align-items: flex-end; justify-content: space-between; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .3s, border-color .3s; }
.competition-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(38,217,255,.18), transparent 40%), linear-gradient(135deg,#0e2135,#091522); }
.competition-card:hover { transform: translateY(-6px); border-color: rgba(38,217,255,.5); }
.competition-card img { position: absolute; z-index: 1; top: 34px; right: 34px; width: 145px; height: 145px; object-fit: contain; filter: drop-shadow(0 15px 25px rgba(0,0,0,.25)); }
.competition-card > div { position: relative; z-index: 2; }.competition-card p { color: var(--cyan); font-size: 10px; font-weight: 800; letter-spacing: .2em; }.competition-card h2 { margin-top: 11px; font-size: clamp(28px,3.4vw,44px); line-height: 1.13; }.competition-card span { display: inline-block; margin-top: 26px; color: var(--lime); font-weight: 800; font-size: 13px; }
.competition-card.nuedc::before { background: radial-gradient(circle at 80% 20%, rgba(255,120,72,.17), transparent 40%), linear-gradient(135deg,#201d2b,#0d1725); }

/* Awards */
.awards { color: var(--ink); background: var(--paper); }
.awards .section-index { color: #007f9b; }.awards .section-heading > p { color: #506072; }
.award-showcase { display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; }
.photo-button { text-align: left; background: transparent; }
.award-main { position: relative; min-height: 530px; overflow: hidden; border-radius: var(--radius); }
.award-main img { position: absolute; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }.award-main:hover img { transform: scale(1.035); }
.award-main::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,12,20,.9), transparent 55%); }
.award-main > span { position: absolute; z-index: 2; left: 28px; bottom: 28px; display: grid; gap: 5px; color: white; font-size: 14px; }.award-main > span b { color: var(--lime); font-size: 26px; }
.award-stats { display: grid; gap: 18px; }
.award-stats article { padding: 28px; display: flex; flex-direction: column; justify-content: center; border: 1px solid #dbe2e7; border-radius: var(--radius); background: white; }
.award-stats strong { color: #0086a4; font-size: 13px; }.award-stats h3 { margin-top: 8px; font-size: 21px; }.award-stats p { margin-top: 7px; color: #718092; font-size: 12px; }
.certificate-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 18px; }
.certificate { aspect-ratio: 4/3; overflow: hidden; border: 1px solid #dbe2e7; border-radius: 14px; background: white; }
.certificate img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .35s; }.certificate:hover img { transform: scale(1.04); }

/* Gallery */
.gallery { padding-bottom: 140px; background: #091522; overflow: hidden; }
.gallery-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 42px; }
.gallery-controls { display: flex; gap: 10px; }.gallery-controls button { width: 48px; height: 48px; border: 1px solid var(--line); border-radius: 50%; background: rgba(255,255,255,.04); font-size: 20px; }.gallery-controls button:hover { color: var(--ink); background: var(--lime); }
.photo-rail { display: flex; gap: 18px; padding-inline: max(24px, calc((100vw - 1180px)/2)); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }.photo-rail::-webkit-scrollbar { display: none; }
.photo-card { position: relative; flex: 0 0 min(420px,78vw); height: 480px; overflow: hidden; border-radius: 18px; scroll-snap-align: center; }.photo-card.wide { flex-basis: min(700px,88vw); }
.photo-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }.photo-card:hover img { transform: scale(1.04); }
.photo-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(2,8,14,.8),transparent 45%); }
.photo-card span { position: absolute; z-index: 2; left: 22px; bottom: 20px; color: white; font-size: 13px; font-weight: 800; }

/* Alumni */
.alumni { background: var(--ink); }
.alumni-list { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.alumni-list a { min-height: 118px; padding: 25px; display: grid; grid-template-columns: 50px 1fr auto; align-items: center; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 24px; font-weight: 800; transition: color .2s, background .2s; }
.alumni-list a:hover { color: var(--ink); background: var(--lime); }.alumni-list span { color: var(--muted); font: 700 11px monospace; }.alumni-list a:hover span { color: #425312; }.alumni-list b { font-size: 17px; }
.alumni-more { margin-top: 20px; color: var(--muted); font-size: 12px; }

/* FAQ */
.faq { color: var(--ink); background: var(--paper); }
.faq .section-index { color: #007f9b; }
.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; }
.faq-intro > p { margin-top: 20px; }.text-link { margin-top: 24px; padding-bottom: 5px; color: #007f9b; border-bottom: 1px solid currentColor; background: transparent; font-weight: 800; }
.faq-list { border-top: 1px solid #ccd5dc; }
.faq-list details { border-bottom: 1px solid #ccd5dc; }.faq-list summary { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 20px; list-style: none; font-size: 18px; font-weight: 800; cursor: pointer; }.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary span { font-size: 28px; font-weight: 300; transition: transform .25s; }.faq-list details[open] summary span { transform: rotate(45deg); }.faq-list details p { max-width: 700px; padding: 0 50px 28px 0; color: #607083; line-height: 1.8; font-size: 14px; }

/* Join */
.join-section { position: relative; min-height: 620px; display: flex; align-items: center; overflow: hidden; }
.join-photo { position: absolute; inset: 0; background: url("picture/3.jpg") center 46% / cover no-repeat; }.join-section::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,15,27,.96), rgba(5,15,27,.6)), linear-gradient(0deg, rgba(5,15,27,.7), transparent); }
.join-content { position: relative; z-index: 2; }.join-content h2 { max-width: 900px; margin-top: 16px; font-size: clamp(44px,6vw,78px); line-height: 1.06; letter-spacing: -.06em; }.join-content > p:not(.section-index) { margin-top: 22px; color: #c5cfdb; }

/* Footer */
.footer { padding: 70px 0 24px; background: #040b13; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 50px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 15px; }.footer-brand img { width: 60px; height: 60px; object-fit: contain; }.footer-brand div, .footer-grid > div { display: grid; gap: 7px; }.footer-grid span { color: #647487; font-size: 11px; }.footer-grid b, .footer-grid button { text-align: left; background: transparent; font-size: 13px; font-weight: 700; }.footer-grid button { color: var(--cyan); }
.footer-bottom { margin-top: 55px; padding-top: 22px; display: flex; justify-content: space-between; border-top: 1px solid var(--line); color: #586779; font-size: 11px; }

/* Join helpers */
.floating-join { position: fixed; z-index: 600; right: 26px; bottom: 28px; width: 74px; height: 74px; display: grid; place-content: center; border-radius: 50%; color: var(--ink); background: var(--lime); box-shadow: 0 14px 45px rgba(184,242,56,.28); font-weight: 900; transition: transform .2s; }.floating-join:hover { transform: rotate(-5deg) scale(1.07); }.floating-join span { font-size: 13px; }.floating-join b { font-size: 16px; }
.mobile-cta { display: none; }
.modal[hidden] { display: none; }.modal { position: fixed; inset: 0; z-index: 5000; display: grid; place-items: center; padding: 24px; }.modal-backdrop { position: absolute; inset: 0; background: rgba(1,7,13,.86); backdrop-filter: blur(12px); }.join-modal-card { position: relative; width: min(860px,100%); min-height: 510px; display: grid; grid-template-columns: 1.15fr .85fr; border: 1px solid var(--line); border-radius: 26px; background: #0b1928; box-shadow: var(--shadow); overflow: hidden; animation: modalIn .25s ease both; }.modal-close { position: absolute; z-index: 5; top: 15px; right: 15px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: rgba(6,16,29,.78); font-size: 26px; line-height: 1; }.modal-copy { padding: 55px 45px; }.modal-copy h2 { margin-top: 12px; font-size: 38px; letter-spacing: -.04em; }.modal-copy > p:not(.section-index) { margin-top: 15px; color: var(--muted); line-height: 1.8; font-size: 14px; }.group-number { margin-top: 28px; padding: 18px; display: grid; gap: 4px; border: 1px solid rgba(38,217,255,.25); border-radius: 12px; background: rgba(38,217,255,.06); }.group-number span { color: var(--muted); font-size: 11px; }.group-number strong { color: var(--cyan); font: 900 30px monospace; letter-spacing: .04em; }.modal-actions { margin-top: 18px; }.modal-actions .button { flex: 1; min-width: 150px; }.qr-panel { padding: 50px 36px; display: grid; place-content: center; justify-items: center; background: white; color: var(--ink); }.qr-frame { width: 250px; height: 280px; padding: 12px; border: 2px solid var(--ink); }.qr-frame img { width: 100%; height: 100%; object-fit: cover; }.qr-panel p { margin-top: 16px; font-weight: 900; }.qr-panel span { margin-top: 4px; color: #6c7885; font-size: 11px; }.wechat-tip { color: #ffbf57 !important; }
@keyframes modalIn { from { opacity: 0; transform: translateY(15px) scale(.98); } }
.lightbox { padding: 60px; }.lightbox .modal-close { color: white; }.lightbox figure { position: relative; z-index: 2; max-width: min(1100px,90vw); max-height: 85vh; display: grid; justify-items: center; }.lightbox img { max-width: 100%; max-height: 78vh; object-fit: contain; border-radius: 8px; box-shadow: var(--shadow); }.lightbox figcaption { margin-top: 14px; color: white; font-size: 13px; }
.toast { position: fixed; z-index: 8000; left: 50%; bottom: 28px; padding: 12px 18px; color: var(--ink); background: var(--lime); border-radius: 999px; box-shadow: var(--shadow); font-size: 13px; font-weight: 800; opacity: 0; transform: translate(-50%,20px); pointer-events: none; transition: .25s; }.toast.show { opacity: 1; transform: translate(-50%,0); }

/* Responsive */
@media (max-width: 980px) {
    :root { --container: min(100% - 36px, 760px); }
    .nav-toggle { display: block; }.nav-links { position: fixed; top: 72px; left: 18px; right: 18px; padding: 22px; display: grid; gap: 0; border: 1px solid var(--line); border-radius: 18px; background: rgba(6,16,29,.97); backdrop-filter: blur(18px); transform: translateY(-15px); opacity: 0; visibility: hidden; transition: .25s; }.nav-links.is-open { transform: none; opacity: 1; visibility: visible; }.nav-links > a { padding: 14px 4px; border-bottom: 1px solid var(--line); }.nav-join { margin-top: 15px; }
    .hero { height: auto; min-height: 900px; }.hero-content { grid-template-columns: 1fr; gap: 32px; padding-block: 130px 90px; }.hero-copy { max-width: 680px; }.hero-card { min-height: 0; display: grid; grid-template-columns: 110px 1fr; align-items: center; gap: 0 25px; }.card-number { grid-row: span 4; font-size: 110px; }.hero-card dl { margin-top: 15px; }.card-copy { grid-column: 2; }.scroll-cue { display: none; }
    .signal-grid { grid-template-columns: 1fr 1fr; }.signal-grid div:nth-child(3) { border-left: 1px solid var(--line); }.signal-grid div { min-height: 92px; }
    .section { padding: 90px 0; }.section-heading { grid-template-columns: 1fr; gap: 25px; }.about-layout { grid-template-columns: 1fr; }.feature-photo { min-height: 490px; }
    .competition-card { min-height: 350px; padding: 28px; }.competition-card img { width: 110px; height: 110px; }
    .award-showcase { grid-template-columns: 1fr; }.award-stats { grid-template-columns: repeat(3,1fr); }.award-stats article { min-height: 155px; padding: 20px; }.certificate-row { grid-template-columns: 1fr 1fr; }
    .faq-layout { grid-template-columns: 1fr; gap: 50px; }.footer-grid { grid-template-columns: 1fr 1fr; }.footer-brand { grid-column: 1/-1; }
}

@media (max-width: 680px) {
    :root { --container: calc(100vw - 28px); --radius: 18px; }
    html { scroll-padding-top: 70px; }.nav-shell { width: calc(100vw - 24px); height: 68px; }.brand img { width: 40px; height: 40px; }.brand b { font-size: 12px; }
    .welcome-logo { width: 110px; height: 110px; }
    .hero { min-height: 790px; align-items: flex-end; }.hero-photo { background-position: 61% center; }.hero-overlay { background: linear-gradient(0deg,rgba(4,12,23,.99) 5%,rgba(4,12,23,.82) 65%,rgba(4,12,23,.35)); }.hero-content { display: block; padding: 125px 0 75px; }.eyebrow { margin-bottom: 17px; font-size: 11px; }.hero h1 { font-size: clamp(43px,13vw,64px); }.hero-lead { margin-top: 21px; font-size: 15px; line-height: 1.7; }.hero-tags { margin-top: 18px; }.hero-actions { margin-top: 24px; }.hero-actions .button { flex: 1; min-width: 155px; padding-inline: 14px; }.hero-note { text-align: center; }.hero-card { display: none; }
    .signal-grid { width: 100%; grid-template-columns: 1fr 1fr; }.signal-grid div { padding: 18px 14px; border-left: 0 !important; }.signal-grid div:nth-child(odd) { border-left: 1px solid var(--line) !important; }.signal-grid strong { font-size: 17px; }.signal-grid span { font-size: 10px; }
    .section { padding: 74px 0; }.section-heading, .section-heading.compact { margin-bottom: 36px; }.section-heading h2, .gallery-head h2, .faq-intro h2 { font-size: 39px; }.section-heading > p { font-size: 14px; }
    .feature-photo { min-height: 330px; }.feature-photo figcaption { left: 20px; bottom: 19px; }.feature-photo figcaption b { font-size: 17px; }.value-grid { grid-template-columns: 1fr; gap: 10px; margin-top: 10px; }.value-card { min-height: 190px; }.value-card h3 { margin-top: 45px; }
    .track-item { min-height: 145px; grid-template-columns: 75px 1fr; gap: 15px; }.track-item > span { display: none; }.track-item h3 { font-size: 21px; }.track-item p { font-size: 12px; line-height: 1.6; }
    .competition-grid { grid-template-columns: 1fr; }.competition-card { min-height: 320px; }.competition-card img { top: 20px; right: 20px; width: 100px; height: 100px; }
    .award-main { min-height: 340px; }.award-stats { grid-template-columns: 1fr; gap: 10px; }.award-stats article { min-height: 135px; }.certificate-row { gap: 10px; }.certificate { aspect-ratio: 3/4; }
    .gallery { padding-bottom: 90px; }.gallery-head { align-items: end; }.gallery-controls { display: none; }.photo-rail { gap: 12px; padding-inline: 14px; }.photo-card, .photo-card.wide { flex-basis: 84vw; height: 400px; }
    .alumni-list { grid-template-columns: 1fr 1fr; }.alumni-list a { min-height: 92px; padding: 18px; grid-template-columns: 28px 1fr auto; font-size: 18px; }
    .faq-list summary { min-height: 82px; font-size: 15px; }.join-section { min-height: 560px; }.join-content h2 { font-size: 42px; }.join-actions .button { width: 100%; }
    .footer { padding-bottom: 105px; }.footer-grid { grid-template-columns: 1fr; gap: 28px; }.footer-brand { grid-column: auto; }.footer-bottom { align-items: flex-start; gap: 15px; flex-direction: column; }
    .floating-join { display: none; }.mobile-cta { position: fixed; z-index: 900; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); min-height: 64px; padding: 9px 10px 9px 16px; display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--line); border-radius: 17px; background: rgba(6,16,29,.92); box-shadow: 0 12px 35px rgba(0,0,0,.35); backdrop-filter: blur(16px); }.mobile-cta div { display: grid; }.mobile-cta small { color: var(--cyan); font-size: 9px; }.mobile-cta b { font-size: 13px; }.mobile-cta button { padding: 12px 18px; border-radius: 10px; color: var(--ink); background: var(--lime); font-size: 13px; font-weight: 900; }
    .modal { padding: 10px; }.join-modal-card { max-height: calc(100svh - 20px); display: block; overflow-y: auto; }.modal-copy { padding: 44px 22px 22px; }.modal-copy h2 { font-size: 29px; }.qr-panel { padding: 24px; }.qr-frame { width: 210px; height: 235px; }.modal-actions { flex-direction: column; }.lightbox { padding: 20px; }.toast { bottom: 92px; white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}