:root{--jk-bg:#f7f7fc;--jk-card:#ffffff;--jk-card-border:rgba(23,23,42,0.1);--jk-text:#17172a;--jk-text-2:#565b74;--jk-text-3:#8a8fa8;--jk-accent:#6b46ff;--jk-accent-2:#0eb4d4;--jk-grad:linear-gradient(135deg,#6b46ff,#0eb4d4);--jk-radius:16px;--jk-nav-bg:rgba(247,247,252,0.82);--jk-nav-border:rgba(23,23,42,0.08);--jk-glow-1:rgba(107,70,255,0.12);--jk-glow-2:rgba(14,180,212,0.09);--jk-fill-2:rgba(23,23,42,0.04);--jk-fill-3:#ffffff;--jk-border-2:rgba(23,23,42,0.14);--jk-accent-soft-text:#5b3ce8;--jk-accent-soft-bg:rgba(107,70,255,0.08);--jk-accent-soft-border:rgba(107,70,255,0.25);--jk-cyan-soft-text:#0e7490;--jk-cyan-soft-bg:rgba(14,180,212,0.1);--jk-cyan-soft-border:rgba(14,180,212,0.3);--jk-green-text:#16a34a;--jk-green-bg:rgba(22,163,74,0.12);--jk-red-text:#dc2626;--jk-red-bg:rgba(220,38,38,0.1);--jk-amber-text:#b45309;--jk-amber-bg:rgba(245,158,11,0.14);--jk-amber-border:rgba(245,158,11,0.35);--jk-old-panel-bg:rgba(220,38,38,0.04);--jk-new-panel-bg:linear-gradient(160deg,rgba(107,70,255,0.1),rgba(14,180,212,0.07));--jk-new-panel-border:rgba(107,70,255,0.35);--jk-new-panel-shadow:rgba(107,70,255,0.12);--jk-icon-bg:linear-gradient(135deg,rgba(107,70,255,0.14),rgba(14,180,212,0.1));--jk-icon-border:rgba(107,70,255,0.3);--jk-hover-border:rgba(107,70,255,0.45);--jk-hover-shadow:rgba(107,70,255,0.12);--jk-custom-box-bg:linear-gradient(160deg,rgba(107,70,255,0.1),rgba(14,180,212,0.05));--jk-custom-box-border:rgba(107,70,255,0.35);--jk-custom-glow:rgba(107,70,255,0.18);--jk-toast-bg:#ffffff;--jk-toast-border:rgba(107,70,255,0.5);--jk-toast-shadow:rgba(0,0,0,0.15);--jk-btn-shadow:rgba(107,70,255,0.3);--jk-btn-shadow-hover:rgba(107,70,255,0.45)}.dark{--jk-bg:#07070f;--jk-card:rgba(255,255,255,0.035);--jk-card-border:rgba(255,255,255,0.09);--jk-text:#eef0f6;--jk-text-2:#a7abc0;--jk-text-3:#6f7390;--jk-accent:#7c5cff;--jk-accent-2:#22d3ee;--jk-grad:linear-gradient(135deg,#7c5cff,#22d3ee);--jk-radius:16px;--jk-nav-bg:rgba(7,7,15,0.72);--jk-nav-border:rgba(255,255,255,0.06);--jk-glow-1:rgba(124,92,255,0.16);--jk-glow-2:rgba(34,211,238,0.1);--jk-fill-2:rgba(255,255,255,0.05);--jk-fill-3:rgba(7,7,15,0.5);--jk-border-2:rgba(255,255,255,0.14);--jk-accent-soft-text:#b3a6ff;--jk-accent-soft-bg:rgba(124,92,255,0.1);--jk-accent-soft-border:rgba(124,92,255,0.25);--jk-cyan-soft-text:#67e8f9;--jk-cyan-soft-bg:rgba(34,211,238,0.12);--jk-cyan-soft-border:rgba(34,211,238,0.35);--jk-green-text:#34d399;--jk-green-bg:rgba(52,211,153,0.15);--jk-red-text:#f87171;--jk-red-bg:rgba(248,113,113,0.15);--jk-amber-text:#fbbf24;--jk-amber-bg:rgba(251,191,36,0.14);--jk-amber-border:rgba(251,191,36,0.3);--jk-old-panel-bg:rgba(255,90,90,0.04);--jk-new-panel-bg:linear-gradient(160deg,rgba(124,92,255,0.14),rgba(34,211,238,0.1));--jk-new-panel-border:rgba(124,92,255,0.4);--jk-new-panel-shadow:rgba(124,92,255,0.18);--jk-icon-bg:linear-gradient(135deg,rgba(124,92,255,0.22),rgba(34,211,238,0.18));--jk-icon-border:rgba(124,92,255,0.35);--jk-hover-border:rgba(124,92,255,0.5);--jk-hover-shadow:rgba(124,92,255,0.16);--jk-custom-box-bg:linear-gradient(160deg,rgba(124,92,255,0.16),rgba(34,211,238,0.08));--jk-custom-box-border:rgba(124,92,255,0.4);--jk-custom-glow:rgba(124,92,255,0.28);--jk-toast-bg:#171727;--jk-toast-border:rgba(124,92,255,0.5);--jk-toast-shadow:rgba(0,0,0,0.5);--jk-btn-shadow:rgba(124,92,255,0.35);--jk-btn-shadow-hover:rgba(124,92,255,0.5)}.jk-skin{--background:240 33% 98%;--foreground:240 33% 13%;--muted:240 20% 94%;--muted-foreground:235 12% 46%;--border:240 15% 88%;--input:240 15% 88%;--primary:252 100% 64%;--primary-foreground:0 0% 100%;--secondary:240 20% 93%;--secondary-foreground:240 33% 13%;--accent:190 88% 44%;--accent-foreground:0 0% 100%;--ring:252 100% 64%;--radius:1rem}.dark .jk-skin{--background:240 36% 4%;--foreground:233 44% 95%;--muted:240 10% 14%;--muted-foreground:232 14% 71%;--border:240 12% 18%;--input:240 12% 18%;--primary:252 100% 68%;--primary-foreground:0 0% 100%;--secondary:240 12% 16%;--secondary-foreground:233 44% 95%;--accent:190 96% 51%;--accent-foreground:240 36% 4%;--ring:252 100% 68%;--radius:1rem}@keyframes jk-float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes jk-scroll{to{transform:translateX(-50%)}}@keyframes jk-chatup{to{transform:translateY(-50%)}}.jk{min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,HarmonyOS Sans SC,Microsoft YaHei,sans-serif;background-color:var(--jk-bg);color:var(--jk-text);background-image:radial-gradient(640px 420px at 18% -5%,var(--jk-glow-1),transparent 60%),radial-gradient(760px 520px at 88% 8%,var(--jk-glow-2),transparent 60%);background-repeat:no-repeat;overflow-x:hidden;line-height:1.6}.jk a{color:inherit;text-decoration:none}.jk .wrap{max-width:1120px;margin:0 auto;padding:0 24px}.jk .grad-text{background:var(--jk-grad);-webkit-background-clip:text;background-clip:text;color:transparent}.jk nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:var(--jk-nav-bg);border-bottom:1px solid var(--jk-nav-border)}.jk .nav-inner{justify-content:space-between;height:64px}.jk .logo,.jk .nav-inner{display:flex;align-items:center}.jk .logo{gap:10px;font-weight:800;font-size:19px}.jk .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--jk-grad);display:grid;place-items:center;font-size:18px;box-shadow:0 4px 16px var(--jk-btn-shadow)}.jk .nav-links{display:flex;gap:28px;font-size:14.5px;color:var(--jk-text-2)}.jk .nav-links a{transition:color .2s}.jk .nav-links a:hover{color:var(--jk-text)}.jk .nav-cta{display:inline-flex;align-items:center;background:var(--jk-grad);color:#fff;font-weight:600;font-size:14px;padding:9px 20px;border-radius:999px;border:none;cursor:pointer;box-shadow:0 4px 18px var(--jk-btn-shadow);transition:transform .2s,box-shadow .2s}.jk .nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 26px var(--jk-btn-shadow-hover)}.jk .hero{text-align:center;padding:88px 0 40px;position:relative}.jk .hero-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--jk-cyan-soft-border);background:var(--jk-cyan-soft-bg);color:var(--jk-cyan-soft-text);font-size:13.5px;padding:7px 16px;border-radius:999px;animation:jk-float 4s ease-in-out infinite}.jk .hero h1{font-size:clamp(2.1rem,5.6vw,3.6rem);font-weight:800;letter-spacing:.5px;margin:26px 0 20px;line-height:1.25}.jk .hero p.sub{font-size:clamp(1rem,1.6vw,1.15rem);color:var(--jk-text-2);max-width:680px;margin:0 auto}.jk .hero-cta{display:flex;gap:16px;justify-content:center;margin:36px 0 14px;flex-wrap:wrap}.jk .btn-primary{display:inline-flex;align-items:center;background:var(--jk-grad);color:#fff;font-weight:700;font-size:17px;padding:15px 38px;border-radius:999px;border:none;cursor:pointer;box-shadow:0 10px 36px var(--jk-btn-shadow-hover);transition:transform .2s,box-shadow .2s}.jk .btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 14px 46px var(--jk-btn-shadow-hover)}.jk .btn-ghost{display:inline-flex;align-items:center;background:var(--jk-fill-2);color:var(--jk-text);font-weight:600;font-size:17px;padding:15px 32px;border-radius:999px;border:1px solid var(--jk-border-2);cursor:pointer;transition:border-color .2s,background .2s}.jk .btn-ghost:hover{border-color:var(--jk-cyan-soft-border);background:var(--jk-cyan-soft-bg)}.jk .hero-note{font-size:13px;color:var(--jk-text-3);display:flex;gap:18px;justify-content:center;flex-wrap:wrap}.jk .hero-note span:before{content:"✓ ";color:var(--jk-green-text)}.jk .marquee{margin-top:56px;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);overflow:hidden}.jk .marquee-track{display:flex;gap:18px;width:-moz-max-content;width:max-content;animation:jk-scroll 42s linear infinite}.jk .marquee:hover .marquee-track{animation-play-state:paused}.jk .m-chip{display:flex;align-items:center;gap:10px;flex-shrink:0;background:var(--jk-card);border:1px solid var(--jk-card-border);border-radius:12px;padding:11px 18px;font-size:14px;color:var(--jk-text-2);white-space:nowrap;transition:border-color .2s}.jk .m-chip:hover{border-color:var(--jk-hover-border)}.jk .m-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--jk-grad);flex-shrink:0}.jk section{padding:80px 0}.jk .sec-head{text-align:center;margin-bottom:52px}.jk .sec-head .kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:3px;color:var(--jk-accent-2);text-transform:uppercase;margin-bottom:12px}.jk .sec-head h2{font-size:clamp(1.6rem,3.6vw,2.3rem);font-weight:800;margin-bottom:14px}.jk .sec-head h2 .old-text{color:var(--jk-text-3)}.jk .sec-head p{color:var(--jk-text-2);max-width:600px;margin:0 auto;font-size:15.5px}.jk .pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}.jk .pain-card{background:var(--jk-card);border:1px solid var(--jk-card-border);border-radius:var(--jk-radius);padding:30px 26px;transition:transform .25s,border-color .25s;position:relative;overflow:hidden}.jk .pain-card:before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--jk-grad);opacity:0;transition:opacity .25s}.jk .pain-card:hover{transform:translateY(-5px);border-color:var(--jk-hover-border)}.jk .pain-card:hover:before{opacity:1}.jk .pain-card .emoji{font-size:38px;display:block;margin-bottom:16px}.jk .pain-card h3{font-size:17.5px;margin-bottom:10px}.jk .pain-card p{color:var(--jk-text-2);font-size:14px}.jk .contrast{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:stretch}.jk .contrast .panel{border-radius:20px;padding:36px 32px}.jk .old-panel{background:var(--jk-old-panel-bg);border:1px dashed var(--jk-border-2)}.jk .new-panel{background:var(--jk-new-panel-bg);border:1px solid var(--jk-new-panel-border);box-shadow:0 12px 44px var(--jk-new-panel-shadow)}.jk .panel h3{font-size:15px;letter-spacing:1px;margin-bottom:20px;color:var(--jk-text-2)}.jk .new-panel h3{color:var(--jk-accent-soft-text)}.jk .step{display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-size:14.5px}.jk .step .mark{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;flex-shrink:0;margin-top:2px}.jk .old .mark{background:var(--jk-red-bg);color:var(--jk-red-text)}.jk .new .mark{background:var(--jk-green-bg);color:var(--jk-green-text)}.jk .time-tag{margin-top:20px;padding-top:20px;border-top:1px solid var(--jk-card-border);font-weight:800;font-size:clamp(1.3rem,3vw,1.8rem)}.jk .old-panel .time-tag{color:var(--jk-text-3);text-decoration:line-through}.jk .new-panel .time-tag .grad-text{text-decoration:none}.jk .vs{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;align-self:center;background:var(--jk-fill-2);border:1px solid var(--jk-card-border);font-weight:800;color:var(--jk-text-2);flex-shrink:0}.jk .id-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.jk .id-card{background:var(--jk-card);border:1px solid var(--jk-card-border);border-radius:var(--jk-radius);padding:24px 20px;text-align:center;cursor:pointer;transition:transform .25s,border-color .25s,background .25s}.jk .id-card.active,.jk .id-card:hover{transform:translateY(-4px);border-color:var(--jk-hover-border);background:var(--jk-new-panel-bg)}.jk .id-card .emoji{font-size:32px;display:block;margin-bottom:10px}.jk .id-card h4{font-size:15.5px;margin-bottom:6px}.jk .id-card p{color:var(--jk-text-2);font-size:12.5px;line-height:1.5}.jk .proj-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}.jk .proj-card{background:var(--jk-card);border:1px solid var(--jk-card-border);border-radius:var(--jk-radius);padding:26px;display:flex;flex-direction:column;gap:12px;transition:transform .25s,border-color .25s,box-shadow .25s}.jk .proj-card:hover{transform:translateY(-6px);border-color:var(--jk-hover-border);box-shadow:0 16px 44px var(--jk-hover-shadow)}.jk .proj-top{display:flex;align-items:center;gap:14px}.jk .proj-icon{width:48px;height:48px;border-radius:13px;font-size:24px;display:grid;place-items:center;flex-shrink:0;background:var(--jk-icon-bg);border:1px solid var(--jk-icon-border)}.jk .proj-name{font-weight:700;font-size:16.5px}.jk .proj-badge{font-size:11px;padding:3px 9px;border-radius:6px;font-weight:600;background:var(--jk-amber-bg);color:var(--jk-amber-text);border:1px solid var(--jk-amber-border);margin-top:3px;width:-moz-fit-content;width:fit-content}.jk .proj-desc{color:var(--jk-text-2);font-size:14px;flex:1}.jk .proj-tags{display:flex;gap:8px;flex-wrap:wrap}.jk .tag{font-size:12px;padding:4px 11px;border-radius:999px;background:var(--jk-accent-soft-bg);color:var(--jk-accent-soft-text);border:1px solid var(--jk-accent-soft-border)}.jk .proj-meta{display:flex;align-items:center;justify-content:space-between;margin-top:4px}.jk .proj-count{font-size:12.5px;color:var(--jk-text-3)}.jk .proj-play{display:inline-flex;align-items:center;border:1px solid var(--jk-cyan-soft-border);cursor:pointer;font-weight:600;font-size:13.5px;background:var(--jk-cyan-soft-bg);color:var(--jk-cyan-soft-text);padding:8px 18px;border-radius:999px;transition:all .2s}.jk .proj-play:hover{background:var(--jk-grad);color:#fff;border-color:transparent;box-shadow:0 4px 16px var(--jk-btn-shadow)}.jk .proj-more{text-align:center;margin-top:36px}.jk .proj-more a{color:var(--jk-text-2);font-size:14.5px;border-bottom:1px dashed var(--jk-border-2);padding-bottom:2px}.jk .proj-more a:hover{color:var(--jk-text)}.jk .chat-title{text-align:center;color:var(--jk-text-2);font-size:13px;letter-spacing:2px}.jk .chat-title .hint{color:var(--jk-text-3);letter-spacing:0}.jk .chat-panel{max-width:540px;margin:18px auto 0;height:224px;display:flex;flex-direction:column;background:var(--jk-card);border:1px solid var(--jk-card-border);border-radius:16px;overflow:hidden}.jk .chat-feed{flex:1;overflow:hidden;-webkit-mask-image:linear-gradient(180deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(180deg,transparent,#000 10%,#000 90%,transparent)}.jk .chat-track{animation:jk-chatup 28s linear infinite}.jk .chat-panel:hover .chat-track{animation-play-state:paused}.jk .chat-msg{display:flex;gap:10px;align-items:flex-start;padding:9px 20px;font-size:13.5px;color:var(--jk-text-2)}.jk .chat-avatar{width:28px;height:28px;border-radius:50%;flex-shrink:0;margin-top:2px;background:var(--jk-accent-soft-bg);border:1px solid var(--jk-accent-soft-border);display:grid;place-items:center;font-size:14px}.jk .chat-msg .name{color:var(--jk-accent-soft-text);font-weight:600;margin-right:6px;white-space:nowrap}.jk .chat-foot{border-top:1px solid var(--jk-nav-border);padding:9px 20px;font-size:12.5px;color:var(--jk-text-3);text-align:center;background:var(--jk-fill-3)}.jk .stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px;border-top:1px solid var(--jk-card-border);border-bottom:1px solid var(--jk-card-border);padding:40px 0;margin:0 auto}.jk .stat{text-align:center}.jk .stat .num{font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:800}.jk .stat .label{color:var(--jk-text-2);font-size:13.5px;margin-top:4px}.jk .custom-box{border-radius:24px;padding:56px 40px;text-align:center;background:var(--jk-custom-box-bg);border:1px solid var(--jk-custom-box-border);position:relative;overflow:hidden}.jk .custom-box:before{content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:420px;height:240px;border-radius:50%;background:radial-gradient(closest-side,var(--jk-custom-glow),transparent)}.jk .custom-box h2{font-size:clamp(1.5rem,3.4vw,2.1rem);font-weight:800;margin-bottom:14px;position:relative}.jk .custom-box>p{color:var(--jk-text-2);max-width:600px;margin:0 auto 40px;font-size:15.5px;position:relative}.jk .custom-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;margin-bottom:40px;position:relative}.jk .custom-step{background:var(--jk-fill-3);border:1px solid var(--jk-card-border);border-radius:var(--jk-radius);padding:22px 18px}.jk .custom-step .n{width:30px;height:30px;border-radius:50%;background:var(--jk-grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;margin:0 auto 12px}.jk .custom-step h4{font-size:15px;margin-bottom:6px}.jk .custom-step p{color:var(--jk-text-2);font-size:13px}.jk .dev-box{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:var(--jk-card);border:1px solid var(--jk-card-border);border-radius:20px;padding:36px 40px}.jk .dev-box h3{font-size:20px;margin-bottom:8px}.jk .dev-box p{color:var(--jk-text-2);font-size:14.5px;max-width:520px}.jk footer{border-top:1px solid var(--jk-card-border);padding:56px 0 32px;margin-top:20px}.jk .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}.jk .footer-grid .logo{font-size:17px;margin-bottom:12px}.jk .footer-grid p{color:var(--jk-text-2);font-size:14px;max-width:320px}.jk .subscribe{display:flex;gap:10px;margin-top:16px}.jk .subscribe input{flex:1;background:var(--jk-fill-2);border:1px solid var(--jk-card-border);border-radius:10px;padding:11px 16px;color:var(--jk-text);font-size:14px;outline:none;transition:border-color .2s}.jk .subscribe input:focus{border-color:var(--jk-hover-border)}.jk .subscribe button{border:none;cursor:pointer;background:var(--jk-grad);color:#fff;font-weight:600;padding:11px 20px;border-radius:10px;font-size:14px}.jk .footer-col h4{font-size:14px;margin-bottom:16px;color:var(--jk-text-2);letter-spacing:1px}.jk .footer-qr{margin-top:8px}.jk .footer-qr .qr-label{display:block;font-size:14px;color:var(--jk-text-2);margin-bottom:10px}.jk .footer-qr .qr-img{display:block;width:128px;height:auto;border-radius:10px;border:1px solid var(--jk-card-border)}.jk .footer-qr .qr-id{font-size:13px;color:var(--jk-text-2);margin-top:8px;max-width:128px;word-break:break-all}.jk .footer-col a{display:block;font-size:14px;color:var(--jk-text-2);padding:6px 0;transition:color .2s}.jk .footer-col a:hover{color:var(--jk-text)}.jk .copyright{border-top:1px solid var(--jk-nav-border);padding-top:24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--jk-text-3);font-size:13px}.jk-toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(80px);background:var(--jk-toast-bg);border:1px solid var(--jk-toast-border);color:var(--jk-text);padding:14px 24px;border-radius:14px;font-size:14px;z-index:99;box-shadow:0 12px 40px var(--jk-toast-shadow);opacity:0;transition:all .35s cubic-bezier(.2,.6,.2,1);max-width:88vw;text-align:center}.jk-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.jk .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}.jk .reveal.on{opacity:1;transform:none}@media (max-width:768px){.jk .nav-links{display:none}.jk .hero{padding:60px 0 30px}.jk section{padding:56px 0}.jk .contrast{grid-template-columns:1fr}.jk .vs{transform:rotate(90deg);margin:0 auto}.jk .footer-grid{grid-template-columns:1fr;gap:28px}}