:root,:root[data-theme=dark]{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;--font-serif: "Songti SC", "Noto Serif SC", "STSong", "SimSun", Georgia, serif;--bg: #141231;--bg-soft: #1c1944;--bg-elev: #24205a;--text: #f1efff;--text-soft: #b6b1e0;--text-faint: #8c87bd;--border: #2e2a63;--border-strong: #413c82;--brand-1: #a48bff;--brand-2: #7aa5ff;--gold: #ffd66b;--brand-grad: linear-gradient(120deg, #a48bff 0%, #7aa5ff 100%);--glow-1: rgba(164, 139, 255, .16);--glow-2: rgba(108, 195, 255, .12);--shadow-sm: 0 2px 10px rgba(5, 5, 25, .35);--shadow-md: 0 18px 50px rgba(5, 5, 25, .5), 0 0 40px rgba(122, 165, 255, .08);--radius: 20px;--radius-lg: 30px;--section-pad: clamp(4rem, 8vw, 7.5rem);--container: 1180px}.hero-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:48px;align-items:center}.hero-layout .hero-copy{text-align:left;margin:0}.hero-layout 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var(--border);transition:.25s}.project-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}.project-art{height:180px;border-radius:18px;position:relative;overflow:hidden;padding:18px;background:linear-gradient(145deg,#806cff,#302768)}.project-card.cyan .project-art{background:linear-gradient(145deg,#30c4d4,#17547a)}.project-card.orange .project-art{background:linear-gradient(145deg,#ff9f5b,#914127)}.project-card.lime .project-art{background:linear-gradient(145deg,#91cc59,#335b36)}.project-art>span{font:700 3rem/1 var(--font-serif);color:#fff3}.mini-window{position:absolute;left:42px;right:18px;top:58px;bottom:18px;background:#fff;border-radius:12px;padding:12px;transform:rotate(-4deg);box-shadow:0 14px 25px #0004}.mini-window i{display:inline-block;width:6px;height:6px;background:#fd786c;border-radius:50%;margin-right:4px}.mini-window i:nth-child(2){background:#f6c74b}.mini-window i:nth-child(3){background:#54cc77}.mini-window 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var(--border);background:var(--bg-soft);position:relative;overflow:hidden}.city-card:before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:-80px;top:-90px;background:#ff965528;filter:blur(10px)}.city-card.cool:before{background:#4fc8ff28}.city-code{display:flex;justify-content:space-between}.city-code span{font-size:.75rem;letter-spacing:.18em;color:var(--brand-1)}.city-code i{font-style:normal;font-size:.7rem;color:var(--text-faint)}.city-card h3{font-size:1.8rem;margin:25px 0 3px}.city-card>b{color:var(--gold);font-size:.85rem}.city-card>p{color:var(--text-soft);margin:18px 0}.city-card ul{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.city-card li{font-size:.75rem;border:1px solid var(--border);border-radius:999px;padding:6px 10px}.city-card a{color:var(--brand-2);font-weight:700;font-size:.85rem}.city-truth{text-align:center;color:var(--text-faint);font-size:.78rem;margin-top:22px}@keyframes spin{to{transform:rotate(360deg)}}@media 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span{display:inline-flex;align-items:center;gap:7px;font-size:.88rem;color:var(--text-faint)}.hero-notes i{width:7px;height:7px;border-radius:50%;background:var(--brand-grad);box-shadow:0 0 8px var(--brand-2)}.goals-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:64px}.goal-card{padding:30px 26px;border-radius:var(--radius-lg);border:1px solid var(--border);background:color-mix(in srgb,var(--bg-soft) 70%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}.goal-card:hover{transform:translateY(-5px);border-color:var(--brand-2);box-shadow:var(--shadow-md)}.goal-icon{display:grid;place-items:center;width:48px;height:48px;font-size:1.4rem;border-radius:14px;background:var(--bg-elev);border:1px solid var(--border);margin-bottom:16px}.goal-card h3{font-family:var(--font-serif);font-size:1.18rem;font-weight:700;margin-bottom:8px}.goal-card p{font-size:.92rem;color:var(--text-soft)}.curriculum{background:color-mix(in srgb,var(--bg-soft) 55%,transparent);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.curriculum-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:stretch}.module-card{position:relative;display:flex;flex-direction:column;padding:34px 30px;border-radius:var(--radius-lg);border:1px solid var(--border);background:color-mix(in srgb,var(--bg-soft) 70%,transparent);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s 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li:before{content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;border-radius:50%;background:var(--brand-grad);box-shadow:0 0 8px var(--brand-2)}.module-outputs{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:20px;border-top:1px dashed var(--border-strong)}.teaching-block{margin-top:48px}.teaching-block:first-of-type{margin-top:0}.block-title{display:flex;align-items:center;gap:10px;font-size:1.1rem;font-weight:700;margin-bottom:20px}.block-title:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-grad);box-shadow:0 0 10px var(--brand-2)}.analogy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.analogy-item{display:flex;align-items:center;gap:10px;padding:16px 18px;border-radius:var(--radius);border:1px solid var(--border);background:color-mix(in srgb,var(--bg-soft) 70%,transparent)}.analogy-concept{flex-shrink:0;font-weight:700;font-size:.88rem;padding:4px 12px;border-radius:999px;background:var(--bg-elev);border:1px solid var(--border)}.analogy-arrow{color:var(--brand-2)}.analogy-value{font-size:.92rem;color:var(--text-soft)}.models-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.model-chip{display:flex;flex-direction:column;gap:2px;padding:16px 18px;border-radius:var(--radius);border:1px solid var(--border);background:color-mix(in srgb,var(--bg-soft) 70%,transparent);transition:transform .2s ease,border-color .2s ease}.model-chip:hover{transform:translateY(-3px);border-color:var(--brand-2)}.model-chip b{font-size:1rem}.model-chip span{font-size:.8rem;color:var(--text-faint)}.thinking-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.thinking-item{padding:18px 20px;border-radius:var(--radius);border:1px solid var(--border);background:color-mix(in srgb,var(--bg-soft) 70%,transparent)}.thinking-item b{display:block;font-family:var(--font-serif);font-size:1.1rem;margin-bottom:6px}.thinking-item 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var(--brand-2)}.journey-item.is-advanced:before{background:var(--gold);box-shadow:0 0 10px var(--gold)}.journey-step{flex-shrink:0;min-width:46px;text-align:center;font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--bg-elev);border:1px solid var(--border);color:var(--brand-2)}.journey-body b{font-size:1rem}.journey-body p{font-size:.88rem;color:var(--text-soft)}.teacher-box{max-width:760px;margin:0 auto;padding:clamp(30px,5vw,44px);border-radius:var(--radius-lg);border:1px solid var(--border);background:color-mix(in srgb,var(--bg-soft) 70%,transparent);box-shadow:var(--shadow-md)}.teacher-items{display:grid;gap:14px}.teacher-items li{display:flex;align-items:center;gap:12px;font-size:1.02rem}.teacher-items li span{color:var(--gold)}.teacher-stack{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:26px;padding-top:22px;border-top:1px dashed var(--border-strong)}.stack-label{font-size:.84rem;color:var(--text-faint);font-weight:600;margin-right:2px}.contact-box{background:color-mix(in srgb,var(--bg-soft) 85%,transparent);border:1px solid var(--border);border-radius:var(--radius-lg);padding:clamp(40px,6vw,72px);box-shadow:var(--shadow-md);text-align:center}.contact-box .section-head{margin-bottom:12px}.contact-channel{display:inline-flex;align-items:center;gap:16px;margin-top:26px;padding:18px 28px;border-radius:var(--radius);border:1px solid var(--border-strong);background:var(--bg);text-align:left}.contact-icon{font-size:1.8rem}.contact-channel b{font-size:1.05rem}.contact-channel p{font-size:.86rem;color:var(--text-soft)}.footer{border-top:1px solid var(--border);padding:40px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand .logo-mark{width:38px;height:38px;font-size:1.15rem}.footer-brand strong{font-size:1rem}.footer-brand p,.footer-copy{font-size:.82rem;color:var(--text-faint)}.footer-legal{display:grid;gap:7px;text-align:right}.footer-filing{font-size:.78rem;color:var(--text-faint);opacity:.85}[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}[data-reveal].is-visible{opacity:1;transform:none}@keyframes twinkle{0%,to{opacity:.5}50%{opacity:1}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}@media (prefers-reduced-motion: reduce){.hero-moon,.hero-stars{animation:none}[data-reveal]{transition:none}}@media (max-width: 960px){.hero{padding:130px 0 72px}.goals-grid,.curriculum-grid{grid-template-columns:1fr}.models-grid{grid-template-columns:repeat(2,1fr)}.thinking-grid{grid-template-columns:1fr}}@media (max-width: 720px){.main-nav{display:none}.mobile-toggle,.mobile-menu.is-open{display:flex}.btn-nav{display:none}.analogy-grid,.tools-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column;align-items:flex-start}.footer-legal{text-align:left}}@media (min-width: 961px){.curriculum-grid{grid-template-columns:repeat(3,1fr)}}