:root{--color-primary:#4F46E5;--color-primary-light:#6366F1;--color-primary-lighter:#818CF8;--color-primary-dark:#4338CA;--color-primary-bg:#EEF2FF;--color-primary-bg-hover:#E0E7FF;--color-accent:#0D9488;--color-accent-light:#14B8A6;--color-accent-bg:#F0FDFA;--color-text:#0F172A;--color-text-secondary:#475569;--color-text-tertiary:#94A3B8;--color-text-quaternary:#CBD5E1;--color-border:#E2E8F0;--color-border-light:#F1F5F9;--color-bg:#F8FAFC;--color-bg-alt:#F1F5F9;--color-white:#FFFFFF;--color-success:#10B981;--color-success-bg:#ECFDF5;--color-warning:#F59E0B;--color-warning-bg:#FFFBEB;--color-danger:#EF4444;--color-danger-bg:#FEF2F2;--color-info:#3B82F6;--color-info-bg:#EFF6FF;--shadow-xs:0 1px 2px rgba(15,23,42,0.04);--shadow-sm:0 1px 3px rgba(15,23,42,0.06),0 1px 2px rgba(15,23,42,0.04);--shadow-md:0 4px 6px -1px rgba(15,23,42,0.07),0 2px 4px -2px rgba(15,23,42,0.05);--shadow-lg:0 10px 15px -3px rgba(15,23,42,0.08),0 4px 6px -4px rgba(15,23,42,0.05);--shadow-xl:0 20px 25px -5px rgba(15,23,42,0.10),0 8px 10px -6px rgba(15,23,42,0.06);--shadow-2xl:0 25px 50px -12px rgba(15,23,42,0.15);--shadow-glow:0 0 0 4px rgba(79,70,229,0.12);--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-2xl:24px;--radius-full:9999px;--max-width:1200px;--header-height:64px;--transition:background-color 0.2s cubic-bezier(0.4,0,0.2,1),color 0.2s cubic-bezier(0.4,0,0.2,1),border-color 0.2s cubic-bezier(0.4,0,0.2,1),box-shadow 0.2s cubic-bezier(0.4,0,0.2,1),transform 0.2s cubic-bezier(0.4,0,0.2,1),opacity 0.2s cubic-bezier(0.4,0,0.2,1);--transition-slow:background-color 0.3s cubic-bezier(0.4,0,0.2,1),color 0.3s cubic-bezier(0.4,0,0.2,1),border-color 0.3s cubic-bezier(0.4,0,0.2,1),box-shadow 0.3s cubic-bezier(0.4,0,0.2,1),transform 0.3s cubic-bezier(0.4,0,0.2,1),opacity 0.3s cubic-bezier(0.4,0,0.2,1);--navbar-bg:rgba(255,255,255,0.85)}[data-theme="dark"]{--color-primary:#818CF8;--color-primary-light:#A5B4FC;--color-primary-lighter:#C7D2FE;--color-primary-dark:#6366F1;--color-primary-bg:rgba(99,102,241,0.15);--color-primary-bg-hover:rgba(99,102,241,0.25);--color-accent:#2DD4BF;--color-accent-light:#5EEAD4;--color-accent-bg:rgba(45,212,191,0.12);--color-text:#F1F5F9;--color-text-secondary:#CBD5E1;--color-text-tertiary:#94A3B8;--color-text-quaternary:#64748B;--color-border:#334155;--color-border-light:#1E293B;--color-bg:#0F172A;--color-bg-alt:#1E293B;--color-white:#1E293B;--color-success:#34D399;--color-success-bg:rgba(52,211,153,0.12);--color-warning:#FBBF24;--color-warning-bg:rgba(251,191,36,0.12);--color-danger:#F87171;--color-danger-bg:rgba(248,113,113,0.12);--color-info:#60A5FA;--color-info-bg:rgba(96,165,250,0.12);--shadow-xs:0 1px 2px rgba(0,0,0,0.2);--shadow-sm:0 1px 3px rgba(0,0,0,0.3),0 1px 2px rgba(0,0,0,0.2);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.3),0 2px 4px -2px rgba(0,0,0,0.2);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.35),0 4px 6px -4px rgba(0,0,0,0.2);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.4),0 8px 10px -6px rgba(0,0,0,0.3);--shadow-2xl:0 25px 50px -12px rgba(0,0,0,0.5);--shadow-glow:0 0 0 4px rgba(129,140,248,0.15);--navbar-bg:rgba(15,23,42,0.85)}[data-theme="dark"] body{background:#0F172A}[data-theme="dark"] .navbar{background:var(--navbar-bg);border-bottom-color:var(--color-border)}[data-theme="dark"] .hero{background:linear-gradient(180deg,#0F172A 0%,#1E293B 100%)}[data-theme="dark"] .cta-section{background:linear-gradient(135deg,#312E81 0%,#1E1B4B 100%)}[data-theme="dark"] .footer{background:#020617;border-top-color:var(--color-border)}[data-theme="dark"] .ai-features-section{background:linear-gradient(180deg,#0F172A 0%,#1E1B4B 50%,#0F172A 100%)}[data-theme="dark"] .modal{background:var(--color-bg-alt)}[data-theme="dark"] .form-input,[data-theme="dark"] .form-select,[data-theme="dark"] .form-textarea{background:#0F172A;border-color:var(--color-border);color:var(--color-text)}[data-theme="dark"] .form-input::placeholder,[data-theme="dark"] .form-textarea::placeholder{color:var(--color-text-tertiary)}[data-theme="dark"] .job-card:hover{border-color:var(--color-primary)}[data-theme="dark"] .hero-card-float{background:rgba(30,41,59,0.9);border-color:var(--color-border)}[data-theme="dark"] .mascot-glow{background:radial-gradient(circle,rgba(99,102,241,0.15) 0%,transparent 60%)}.theme-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);background:var(--color-bg-alt);color:var(--color-text-secondary);cursor:pointer;transition:var(--transition);border:1px solid var(--color-border);flex-shrink:0}.theme-toggle:hover{background:var(--color-primary-bg);color:var(--color-primary);border-color:var(--color-primary)}.theme-toggle svg{transition:transform 0.3s cubic-bezier(0.4,0,0.2,1)}.theme-toggle:hover svg{transform:rotate(15deg)}.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon{display:block}[data-theme="dark"] .theme-toggle .icon-sun{display:block}[data-theme="dark"] .theme-toggle .icon-moon{display:none}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;color-scheme:light dark}body{font-family:-apple-system,BlinkMacSystemFont,"Inter","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.6;color:var(--color-text);background:var(--color-white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{text-decoration:none;color:inherit;cursor:pointer}button{cursor:pointer;border:none;font-family:inherit;transition:var(--transition)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:2px}.skip-link{position:absolute;top:-40px;left:0;background:var(--color-primary);color:#fff;padding:8px 16px;font-size:14px;font-weight:600;z-index:9999;border-radius:0 0 var(--radius-sm) 0;transition:top 0.2s ease}.skip-link:focus{top:0}ul{list-style:none}img{max-width:100%;display:block}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;white-space:nowrap;transition:var(--transition);letter-spacing:-0.01em}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--color-white);color:var(--color-primary);border:1px solid var(--color-primary)}.btn-secondary:hover{background:var(--color-primary-bg)}.btn-outline{background:var(--color-white);color:var(--color-text-secondary);border:1px solid var(--color-border)}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-bg)}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-bg-alt);color:var(--color-text)}.btn-lg{padding:12px 28px;font-size:15px}.btn-sm{padding:6px 14px;font-size:13px}.btn-block{width:100%}.tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-xs);font-size:11px;font-weight:500;line-height:1.5}.tag-primary{background:var(--color-primary-bg);color:var(--color-primary)}.tag-blue{background:var(--color-info-bg);color:var(--color-info)}.tag-green{background:var(--color-success-bg);color:var(--color-success)}.tag-red{background:var(--color-danger-bg);color:var(--color-danger)}.tag-gray{background:var(--color-bg-alt);color:var(--color-text-secondary)}.tag-orange{background:var(--color-warning-bg);color:var(--color-warning)}.card{background:var(--color-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition-slow);border:1px solid var(--color-border-light)}.card:hover{box-shadow:var(--shadow-lg)}.navbar{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:var(--navbar-bg);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--color-border);z-index:1000;transition:var(--transition)}.navbar .container{display:flex;align-items:center;justify-content:space-between;height:100%}.nav-logo{display:flex;align-items:center;gap:10px;cursor:pointer}.nav-logo .logo-mark{width:36px;height:36px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.nav-logo .logo-mark::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 0%,rgba(255,255,255,0.2) 100%)}.nav-logo .logo-mark svg{width:20px;height:20px;position:relative;z-index:1}.nav-logo .logo-text{display:flex;flex-direction:column;line-height:1.2}.nav-logo .logo-text .name{font-size:18px;font-weight:700;color:var(--color-text);letter-spacing:-0.02em}.nav-logo .logo-text .sub{font-size:10px;color:var(--color-text-tertiary);font-weight:400;letter-spacing:0.02em}.nav-menu{display:flex;align-items:center;gap:4px}.nav-menu a{font-size:14px;color:var(--color-text-secondary);font-weight:500;transition:var(--transition);position:relative;padding:8px 14px;border-radius:var(--radius-sm)}.nav-menu a:hover{color:var(--color-text);background:var(--color-bg-alt)}.nav-menu a.active{color:var(--color-primary);background:var(--color-primary-bg)}.nav-actions{display:flex;align-items:center;gap:10px}.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--color-bg-alt);border:none;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0;transition:var(--transition)}.nav-toggle span{display:block;width:20px;height:2px;background:var(--color-text);border-radius:2px;transition:var(--transition)}.nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}.nav-toggle.active span:nth-child(2){opacity:0}.nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.nav-overlay{display:none;position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background:rgba(15,23,42,0.4);z-index:999}.nav-overlay.show{display:block}.page{display:none;padding-top:var(--header-height);animation:fadeIn 0.4s ease}.page.active{display:block}@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.hero{background:var(--color-white);padding:80px 0 100px;position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:-20%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(79,70,229,0.08) 0%,transparent 60%);border-radius:50%;pointer-events:none}.hero::after{content:'';position:absolute;bottom:-30%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(13,148,136,0.06) 0%,transparent 60%);border-radius:50%;pointer-events:none}.hero-content{position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--color-primary-bg);border:1px solid var(--color-primary-bg-hover);border-radius:var(--radius-full);font-size:13px;color:var(--color-primary);font-weight:500;margin-bottom:24px}.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--color-primary);animation:pulse-dot 2s ease-in-out infinite}@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:0.4}}.hero h1{font-size:48px;font-weight:800;line-height:1.15;margin-bottom:20px;color:var(--color-text);letter-spacing:-0.03em;text-wrap:balance}.hero h1 .gradient-text{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 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28px;border-radius:var(--radius-full);background:var(--color-primary);color:#fff;font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px}.search-bar .btn-search:hover{background:var(--color-primary-dark)}.hot-searches{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;font-size:13px}.hot-searches .label{color:var(--color-text-tertiary)}.hot-searches a,.hot-searches .hot-search-tag{color:var(--color-text-secondary);padding:4px 12px;border-radius:var(--radius-full);transition:var(--transition);background:var(--color-bg-alt);border:none;font-family:inherit;font-size:13px;cursor:pointer}.hot-searches a:hover,.hot-searches .hot-search-tag:hover{background:var(--color-primary-bg);color:var(--color-primary)}.hero-stats{display:flex;align-items:center;justify-content:center;gap:48px;margin-top:56px}.hero-stat{text-align:center}.hero-stat .num{font-size:36px;font-weight:800;color:var(--color-text);line-height:1;letter-spacing:-0.03em;font-variant-numeric:tabular-nums}.hero-stat .label{font-size:13px;color:var(--color-text-tertiary);margin-top:6px;font-weight:500}.hero-stat-divider{width:1px;height:48px;background:var(--color-border)}.hero-cards{position:absolute;inset:0;pointer-events:none;z-index:0}.hero-card-float{position:absolute;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,0.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(226,232,240,0.8);border-radius:var(--radius-lg);padding:14px 18px;box-shadow:var(--shadow-lg);animation:hero-card-float 4s ease-in-out infinite}.hero-card-float .hero-card-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0}.hero-card-float .hero-card-icon.icon-primary{background:var(--color-primary-bg);color:var(--color-primary)}.hero-card-float .hero-card-icon.icon-success{background:var(--color-success-bg);color:var(--color-success)}.hero-card-float .hero-card-icon.icon-warning{background:var(--color-warning-bg);color:var(--color-warning)}.hero-card-float .hero-card-icon.icon-info{background:var(--color-info-bg);color:var(--color-info)}.hero-card-float .hero-card-title{font-size:13px;font-weight:600;color:var(--color-text);line-height:1.3}.hero-card-float .hero-card-desc{font-size:11px;color:var(--color-text-tertiary);margin-top:2px}.hero-card-1{top:12%;right:6%;animation-delay:0s}.hero-card-2{top:42%;right:2%;animation-delay:1.2s}.hero-card-3{bottom:14%;right:8%;animation-delay:2.4s}.hero-card-4{top:28%;left:4%;animation-delay:0.6s}@keyframes hero-card-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}.mascot-section{background:var(--color-white);position:relative;overflow:hidden;border-top:1px solid var(--color-border-light);border-bottom:1px solid var(--color-border-light)}.mascot-section::before{content:'';position:absolute;top:-20%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(79,70,229,0.06) 0%,transparent 60%);border-radius:50%;pointer-events:none}.mascot-layout{display:grid;grid-template-columns:0.85fr 1.15fr;gap:48px;align-items:center;position:relative;z-index:1}.mascot-media{position:relative;display:flex;align-items:center;justify-content:center;max-width:420px;margin:0 auto}.mascot-glow{position:absolute;width:80%;height:80%;background:radial-gradient(circle,rgba(79,70,229,0.10) 0%,rgba(6,182,212,0.05) 50%,transparent 70%);border-radius:50%;filter:blur(40px);animation:mascot-glow-pulse 4s ease-in-out infinite}@keyframes mascot-glow-pulse{0%,100%{transform:scale(1);opacity:0.8}50%{transform:scale(1.1);opacity:1}}.mascot-image{width:100%;max-width:420px;height:auto;border-radius:var(--radius-2xl);position:relative;z-index:1;filter:drop-shadow(0 24px 48px rgba(15,23,42,0.10));transition:var(--transition-slow)}.mascot-image:hover{transform:translateY(-8px) scale(1.01)}.mascot-content{padding-left:16px}.mascot-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--color-primary-bg);border:1px solid var(--color-primary-bg-hover);border-radius:var(--radius-full);font-size:13px;color:var(--color-primary);font-weight:600;margin-bottom:20px}.mascot-title{font-size:36px;font-weight:800;line-height:1.2;margin-bottom:20px;color:var(--color-text);letter-spacing:-0.03em;text-wrap:balance}.mascot-desc{font-size:16px;color:var(--color-text-secondary);line-height:1.8;margin-bottom:28px}.mascot-skills{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:32px}.mascot-skill{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--color-text);font-weight:500}.skill-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.skill-dot-1{background:var(--color-primary)}.skill-dot-2{background:#06B6D4}.skill-dot-3{background:var(--color-warning)}.skill-dot-4{background:var(--color-success)}[data-theme="dark"] .skill-dot-2{background:#22D3EE}.mascot-actions{display:flex;align-items:center;gap:12px}.mascot-actions .btn{display:inline-flex;align-items:center}.section{padding:72px 0}.section-header{text-align:center;margin-bottom:48px}.section-title{font-size:32px;font-weight:700;margin-bottom:10px;color:var(--color-text);letter-spacing:-0.02em;text-wrap:balance}.section-subtitle{font-size:15px;color:var(--color-text-secondary)}.section-link{font-size:14px;color:var(--color-primary);font-weight:500;display:inline-flex;align-items:center;gap:4px;background:none;border:none;cursor:pointer;font-family:inherit}.section-link:hover{gap:8px}.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.industry-card{background:var(--color-white);border-radius:var(--radius-lg);padding:24px 16px;text-align:center;cursor:pointer;transition:var(--transition-slow);border:1px solid var(--color-border-light);position:relative;overflow:hidden}.industry-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--color-primary);transform:scaleX(0);transition:transform 0.3s ease}.industry-card:hover{border-color:var(--color-primary-lighter);transform:translateY(-4px);box-shadow:var(--shadow-lg)}.industry-card:hover::before{transform:scaleX(1)}.industry-card .icon{width:48px;height:48px;border-radius:var(--radius-md);background:var(--color-primary-bg);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;transition:var(--transition)}.industry-card:hover .icon{background:var(--color-primary);transform:scale(1.1)}.industry-card .icon svg{width:24px;height:24px;color:var(--color-primary);transition:var(--transition)}.industry-card:hover .icon svg{color:#fff}.industry-card .name{font-size:14px;font-weight:600;margin-bottom:4px;color:var(--color-text)}.industry-card .count{font-size:12px;color:var(--color-text-tertiary)}.jobs-section{background:var(--color-bg)}.jobs-layout{display:grid;grid-template-columns:240px 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