:root,:root[data-theme=dark]{--theme-bg-primary: #050712;--theme-bg-secondary: rgba(8, 12, 28, .85);--theme-bg-card: rgba(12, 17, 42, .72);--theme-text-primary: rgba(234, 242, 255, .95);--theme-text-secondary: rgba(234, 242, 255, .72);--theme-text-muted: rgba(234, 242, 255, .5);--theme-accent-1: #22d3ee;--theme-accent-2: #a855f7;--theme-accent-3: #60a5fa;--theme-border: rgba(234, 242, 255, .14);--theme-line-soft: rgba(240, 246, 255, .08);--theme-shadow-1: 0 18px 60px rgba(0, 0, 0, .45);--theme-shadow-2: 0 28px 110px rgba(0, 0, 0, .55);--theme-shadow-card: 0 12px 44px rgba(0, 0, 0, .46);--theme-surface-1: rgba(10, 14, 32, .72);--theme-surface-2: rgba(12, 18, 44, .64);--theme-nav-bg: rgba(5, 7, 18, .72);--theme-nav-bg-scrolled: rgba(5, 7, 18, .88);--theme-nav-border: rgba(240, 246, 255, .08);--theme-glow-cyan: 0 0 20px rgba(34, 211, 238, .4), 0 0 40px rgba(34, 211, 238, .2);--theme-glow-purple: 0 0 20px rgba(168, 85, 247, .4), 0 0 40px rgba(168, 85, 247, .2);--theme-glow-pink: 0 0 20px rgba(236, 72, 153, .4), 0 0 40px rgba(236, 72, 153, .2);--theme-overlay-before-opacity: .9;--theme-overlay-after-opacity: .55;--theme-mobile-menu-bg: rgba(8, 12, 28, .95);--theme-syntax-keyword: #a855f7;--theme-syntax-function: #22d3ee;--theme-syntax-string: #34d399;--theme-syntax-number: #fbbf24;--theme-syntax-comment: #6b7280;--theme-syntax-operator: #f472b6;--theme-syntax-variable: #60a5fa}:root[data-theme=light]{--theme-bg-primary: #fdf6e3;--theme-bg-secondary: rgba(250, 240, 218, .88);--theme-bg-card: rgba(253, 248, 235, .92);--theme-text-primary: rgba(41, 37, 28, .96);--theme-text-secondary: rgba(68, 63, 50, .78);--theme-text-muted: rgba(101, 95, 78, .58);--theme-accent-1: #0e7490;--theme-accent-2: #7c3aed;--theme-accent-3: #1d4ed8;--theme-border: rgba(41, 37, 28, .12);--theme-line-soft: rgba(41, 37, 28, .06);--theme-shadow-1: 0 12px 34px rgba(41, 37, 28, .1);--theme-shadow-2: 0 24px 70px rgba(41, 37, 28, .14);--theme-shadow-card: 0 4px 16px rgba(41, 37, 28, .08);--theme-surface-1: rgba(253, 248, 235, .92);--theme-surface-2: rgba(250, 240, 218, .82);--theme-nav-bg: rgba(253, 246, 227, .82);--theme-nav-bg-scrolled: rgba(253, 246, 227, .96);--theme-nav-border: rgba(41, 37, 28, .08);--theme-glow-cyan: 0 2px 12px rgba(14, 116, 144, .15);--theme-glow-purple: 0 2px 12px rgba(124, 58, 237, .15);--theme-glow-pink: 0 2px 12px rgba(219, 39, 119, .12);--theme-overlay-before-opacity: 0;--theme-overlay-after-opacity: 0;--theme-mobile-menu-bg: rgba(253, 246, 227, .96);--theme-syntax-keyword: #7c3aed;--theme-syntax-function: #0e7490;--theme-syntax-string: #0f766e;--theme-syntax-number: #b45309;--theme-syntax-comment: #78716c;--theme-syntax-operator: #db2777;--theme-syntax-variable: #1d4ed8}:root{--bg-primary: var(--theme-bg-primary);--bg-secondary: var(--theme-bg-secondary);--bg-card: var(--theme-bg-card);--text-primary: var(--theme-text-primary);--text-secondary: var(--theme-text-secondary);--text-muted: var(--theme-text-muted);--accent-primary: var(--theme-accent-1);--accent-secondary: var(--theme-accent-2);--accent-gradient: linear-gradient( 135deg, var(--theme-accent-1) 0%, var(--theme-accent-2) 55%, var(--theme-accent-3) 100% );--border-color: var(--theme-border);--shadow: var(--theme-shadow-1);--shadow-lg: var(--theme-shadow-2);--bg: var(--theme-bg-primary);--surface: var(--theme-surface-1);--surface-2: var(--theme-surface-2);--text: var(--theme-text-primary);--text-2: var(--theme-text-secondary);--text-3: var(--theme-text-muted);--line: var(--theme-border);--line-2: var(--theme-line-soft);--c1: var(--theme-accent-1);--c2: var(--theme-accent-2);--c3: var(--theme-accent-3);--grad: linear-gradient(135deg, var(--c1) 0%, var(--c2) 55%, var(--c3) 100%);--shadow-2: var(--theme-shadow-card);--neon-cyan: var(--theme-accent-1);--neon-purple: var(--theme-accent-2);--neon-pink: #ec4899;--neon-blue: var(--theme-accent-3);--neon-green: #10b981;--glow-cyan: var(--theme-glow-cyan);--glow-purple: var(--theme-glow-purple);--glow-pink: var(--theme-glow-pink);--syntax-keyword: var(--theme-syntax-keyword);--syntax-function: var(--theme-syntax-function);--syntax-string: var(--theme-syntax-string);--syntax-number: var(--theme-syntax-number);--syntax-comment: var(--theme-syntax-comment);--syntax-operator: var(--theme-syntax-operator);--syntax-variable: var(--theme-syntax-variable);--nav-bg: var(--theme-nav-bg);--nav-bg-scrolled: var(--theme-nav-bg-scrolled);--nav-border: var(--theme-nav-border);--theme-transition: .25s cubic-bezier(.16, 1, .3, 1)}:root[data-theme=light]{--neon-pink: #db2777;--neon-green: #059669}html.theme-preload *,html.theme-preload *:before,html.theme-preload *:after{transition:none!important}html:not(.theme-preload) body,html:not(.theme-preload) .navbar,html:not(.theme-preload) .main-content,html:not(.theme-preload) .member-card,html:not(.theme-preload) .achievement-item,html:not(.theme-preload) .project-item,html:not(.theme-preload) .news-item,html:not(.theme-preload) .contact-info,html:not(.theme-preload) .intro-container,html:not(.theme-preload) .theme-toggle,html:not(.theme-preload) .language-trigger,html:not(.theme-preload) .nav-cta,html:not(.theme-preload) .scroll-progress,html:not(.theme-preload) .footer,html:not(.theme-preload) .panel,html:not(.theme-preload) .section,html:not(.theme-preload) .metric,html:not(.theme-preload) .social-link,html:not(.theme-preload) .lightbox-content,html:not(.theme-preload) .timeline-event{transition:background-color var(--theme-transition),color var(--theme-transition),border-color var(--theme-transition),box-shadow var(--theme-transition)}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--border-color);background:transparent;color:var(--text-secondary);cursor:pointer;flex-shrink:0}.theme-toggle:hover{color:var(--accent-primary);border-color:var(--accent-primary);background:#22d3ee14}:root[data-theme=light] .theme-toggle:hover{background:#0e749014}.theme-toggle-icon{width:18px;height:18px;stroke-linecap:round;stroke-linejoin:round}:root[data-theme=light] body:before{opacity:0!important}:root[data-theme=light] body:after{opacity:0!important}:root[data-theme=light] .navbar{background:var(--nav-bg);border-bottom-color:var(--nav-border);box-shadow:0 1px 3px #0000000f}:root[data-theme=light] .navbar.is-scrolled{background:var(--nav-bg-scrolled);box-shadow:0 4px 12px #00000014}:root[data-theme=light] .nav-logo{color:var(--c1)}:root[data-theme=light] .nav-logo-img{border-color:#29251c1f;background:#29251c08;box-shadow:0 4px 12px #29251c14}:root[data-theme=light] .nav-links a:hover{background:#29251c0a;border-color:#0e749038}:root[data-theme=light] .nav-cta{background:#0e749014;border-color:#0e749038;color:var(--text)}:root[data-theme=light] .language-trigger{background:#29251c0a;border-color:#29251c1a}:root[data-theme=light] .language-dropdown{background:#fdf8ebf5;border-color:#29251c1f;box-shadow:0 8px 24px #29251c1f}:root[data-theme=light] .lang-btn:hover{background:#0e74900f}:root[data-theme=light] .nav-toggle{background:#29251c0a;border-color:#29251c1a;color:var(--text-primary)}:root[data-theme=light] .nav-toggle:hover{background:#29251c14;border-color:#0e749040}:root[data-theme=light] .nav-mobile-menu{background:var(--theme-mobile-menu-bg);border-color:#29251c1a;box-shadow:0 12px 32px #29251c1f}:root[data-theme=light] .nav-mobile-links a{background:#29251c05;border-color:#29251c0d}:root[data-theme=light] .nav-mobile-links a:hover,:root[data-theme=light] .nav-mobile-links a.active{background:#0e74900f;border-color:#0e74902e}:root[data-theme=light] .hero-title{text-shadow:none}:root[data-theme=light] .main-content{background:#fdf8ebb8;border-color:#29251c14;backdrop-filter:blur(18px)}:root[data-theme=light] .member-card,:root[data-theme=light] .achievement-item,:root[data-theme=light] .project-item,:root[data-theme=light] .news-item,:root[data-theme=light] .contact-info,:root[data-theme=light] .intro-container{background:#fdf8ebeb;border-color:#29251c14;box-shadow:0 2px 8px #29251c0a;backdrop-filter:none}:root[data-theme=light] .member-card:hover,:root[data-theme=light] .achievement-item:hover,:root[data-theme=light] .project-item:hover,:root[data-theme=light] .news-item:hover{border-color:#0e749033;box-shadow:0 8px 24px #29251c14}:root[data-theme=light] .section-title:after{box-shadow:none}:root[data-theme=light] .scroll-progress{box-shadow:none}:root[data-theme=light] .cta-button{color:#fff}:root[data-theme=light] .footer{background:#29251c08;border-top-color:#29251c14}:root[data-theme=light] .back-to-top{background:#fdf8ebeb;border-color:#29251c1f;color:var(--text-secondary);box-shadow:0 4px 12px #29251c14}:root[data-theme=light] .back-to-top:hover{background:#fdf8eb;border-color:var(--accent-primary);color:var(--accent-primary)}:root[data-theme=light] .panel{background:#fdf8ebf2;border-color:#29251c1a;box-shadow:0 4px 16px #29251c0f}:root[data-theme=light] .panel:before{opacity:0}:root[data-theme=light] .panel-metrics{border-top-color:#29251c14}:root[data-theme=light] .metric{border-color:#29251c14;background:#29251c08}:root[data-theme=light] .panel-kicker-badge{box-shadow:0 0 8px #0e749033}:root[data-theme=light] .section{background:#fdf8ebe0;border-color:#29251c14}:root[data-theme=light] .section:before{opacity:.5}:root[data-theme=light] .section:after{opacity:0}:root[data-theme=light] .timeline-dot{border-color:#fdf6e3;box-shadow:0 0 0 4px #0e74901f}:root[data-theme=light] .timeline-event{border-color:#29251c14;background:#29251c08}:root[data-theme=light] .timeline-marker:before,:root[data-theme=light] .timeline-marker:after{background:#29251c1f}:root[data-theme=light] .intro-stats{border-top-color:#29251c14}:root[data-theme=light] .member-avatar{border-color:#29251c1a;background:#29251c08;box-shadow:0 4px 12px #29251c14}:root[data-theme=light] .social-link{background:#29251c08;border-color:#29251c14}:root[data-theme=light] .social-link:hover{border-color:#0e749038;background:#0e74900a}:root[data-theme=light] .lightbox-backdrop{background:#29251c73}:root[data-theme=light] .lightbox-content{background:#fdf8ebf5;border-color:#29251c1f;box-shadow:0 24px 70px #29251c2e}:root[data-theme=light] .lightbox-close{background:#fdf8ebeb;color:var(--text-primary)}:root[data-theme=light] .prose pre{background:#29251c0a!important;border-color:#29251c1a}:root[data-theme=light] .prose pre:before{color:#fff}:root[data-theme=light] .prose :not(pre)>code{background:#0e749014;color:var(--c1);border-color:#0e749029}:root[data-theme=light] .secondary-button:hover{background:#0e74900f;border-color:#0e749038}:root[data-theme=light] .hero-typed{background:linear-gradient(135deg,rgba(41,37,28,.96) 0%,var(--theme-accent-2) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}:root[data-theme=light] .hero-brand.typing:after,:root[data-theme=light] .hero-motto.typing:after,:root[data-theme=light] .hero-motto.typing-done:after{-webkit-text-fill-color:var(--theme-accent-2)}:root[data-theme=light] .achievement-item:hover,:root[data-theme=light] .project-item:hover,:root[data-theme=light] .news-item:hover{border-color:#0e749038;box-shadow:0 8px 24px #29251c14;background:#fdf8ebf2}:root[data-theme=light] .member-card:hover{box-shadow:0 8px 24px #29251c14}:root[data-theme=light] .member-card:hover .member-name{color:#b45309}:root[data-theme=light] .detail-value{color:#b45309}:root[data-theme=light] .member-now-at{border-color:#b4530940;background:#f59e0b14}:root[data-theme=light] .logo{background:#29251c08;border-color:#29251c14;box-shadow:0 4px 12px #29251c0f}:root[data-theme=light] .achievement-result{color:var(--c1)}:root[data-theme=light] .contact-wechat-img,:root[data-theme=light] .contact-redbook-img{mix-blend-mode:multiply}:root{--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--text-6xl: 3.75rem;--leading-tight: 1.25;--leading-snug: 1.375;--leading-normal: 1.5;--leading-relaxed: 1.625;--leading-loose: 1.85;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--z-base: 0;--z-dropdown: 10;--z-sticky: 20;--z-fixed: 30;--z-modal-backdrop: 40;--z-modal: 50;--z-popover: 60;--z-tooltip: 70;--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--ease-out-back: cubic-bezier(.34, 1.56, .64, 1);--ease-in-out-smooth: cubic-bezier(.4, 0, .2, 1);--ease-spring: cubic-bezier(.175, .885, .32, 1.275);--duration-instant: .1s;--duration-fast: .15s;--duration-normal: .25s;--duration-slow: .4s;--duration-slower: .6s;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--radius-2xl: 24px;--radius-full: 9999px}.skip-link{position:fixed;top:-100%;left:50%;transform:translate(-50%);z-index:9999;padding:1rem 2rem;background:var(--accent-gradient);color:#fff;text-decoration:none;font-weight:600;border-radius:0 0 12px 12px;box-shadow:var(--shadow-lg);transition:top .3s ease}.skip-link:focus{top:0;outline:none}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}a:focus-visible,button:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px;border-radius:4px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:60px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 20%,rgba(59,130,246,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(96,165,250,.1) 0%,transparent 50%),radial-gradient(circle at 40% 60%,rgba(59,130,246,.05) 0%,transparent 50%);animation:backgroundFloat 20s ease-in-out infinite;z-index:-1}@keyframes backgroundFloat{0%,to{transform:scale(1) rotate(0)}50%{transform:scale(1.05) rotate(2deg)}}.navbar{position:fixed;top:0;left:0;right:0;background:var(--nav-bg);backdrop-filter:blur(20px);border-bottom:1px solid var(--nav-border);z-index:1000;padding:1rem 0;opacity:0;animation:slideDown .8s ease-out .5s forwards}.navbar.is-scrolled{background:var(--nav-bg-scrolled)}@keyframes slideDown{to{opacity:1;transform:translateY(0)}}.nav-content{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.nav-actions{display:flex;align-items:center;gap:2rem;min-width:0}.nav-logo{display:flex;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;cursor:pointer;transition:opacity .3s ease}.nav-logo:hover{opacity:.8}.nav-logo-img{width:32px;height:32px;border-radius:6px;object-fit:cover}.nav-links{display:flex;gap:2rem;list-style:none;align-items:center;min-width:0}.nav-links li{display:flex}.nav-links a{display:inline-flex;align-items:center;white-space:nowrap;text-decoration:none;color:var(--text-secondary);font-weight:500;transition:all .3s ease;position:relative}.nav-links a:hover{color:var(--text-primary)}.nav-links a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent-gradient);transition:width .3s ease}.nav-links a:hover:after{width:100%}.nav-links a.active{color:var(--text-primary)}.nav-links a.active:after{width:100%}@media(max-width:1024px){.nav-actions{gap:1rem}.nav-links{gap:1.25rem}}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.card-link{color:inherit;text-decoration:none;display:block}.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;position:relative;padding:8rem 0 4rem}.hero-content{opacity:0;animation:fadeInUp 1s ease-out .3s forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.logo-container{margin-bottom:3rem;position:relative}.logo{width:120px;height:120px;margin:0 auto;background:var(--bg-card);border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);border:2px solid var(--border-color);position:relative;overflow:hidden;transition:transform .3s ease}.logo:hover{transform:scale(1.05)}.logo:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:conic-gradient(from 0deg,transparent,var(--accent-primary),transparent);animation:rotate 3s linear infinite;opacity:.3}@keyframes rotate{to{transform:rotate(360deg)}}.logo img{width:90%;height:90%;object-fit:cover;border-radius:8px;position:relative;z-index:1}.hero-title{position:relative;font-size:clamp(3rem,8vw,6rem);font-weight:700;margin-bottom:1.5rem;line-height:1.3}.hero-placeholder{visibility:hidden;display:block}.hero-typed{position:absolute;top:0;left:0;width:100%;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-line{display:block}.hero-brand.typing:after,.hero-motto.typing:after{content:"|";display:inline-block;width:0;overflow:visible;-webkit-text-fill-color:var(--accent-secondary);font-weight:300;animation:blink 1s step-end infinite}.hero-motto.typing-done:after{content:"|";display:inline-block;width:0;overflow:visible;-webkit-text-fill-color:var(--accent-secondary);font-weight:300;animation:blink .6s step-end 1,cursorFadeOut .3s ease .6s forwards}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}@keyframes cursorFadeOut{to{opacity:0}}.hero-subtitle{font-size:1.5rem;color:var(--text-secondary);margin-bottom:3rem;font-weight:400}.cta-button{display:inline-flex;align-items:center;gap:.5rem;padding:1rem 2rem;background:var(--accent-gradient);color:#fff;text-decoration:none;border-radius:50px;font-weight:600;font-size:1.1rem;transition:all .3s ease;box-shadow:var(--shadow);position:relative;overflow:hidden}.cta-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.cta-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.cta-button:hover:before{left:100%}.main-content{background:var(--bg-secondary);border-radius:24px;margin:4rem 0;box-shadow:var(--shadow-lg);border:1px solid var(--border-color);overflow:hidden;position:relative}.main-content:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent-gradient)}.content-inner{padding:3rem}.section{margin-bottom:4rem;opacity:0;animation:fadeInUp .8s ease-out 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