:where(.mk){--mk-bg:#0e1015;--mk-bg-deep:#0b0d12;--mk-elev:#151821;--mk-elev-2:#12151d;--mk-line:#23262f;--mk-line-2:#1b1f2a;--mk-text:#e6e9ef;--mk-dim:#aab2c5;--mk-mute:#8b93a7;--mk-faint:#6a7288;--mk-video:#5b7cfa;--mk-video-tint:#9db4f5;--mk-sub:#f5b833;--mk-audio:#29c4d9;--mk-ok:#5dd6a3;--mk-live:#ff7a7a;--mk-maxw:1180px;--mk-r:12px;--mk-r-btn:8px;--mk-sans:"Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;--mk-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}html{scroll-behavior:smooth}html.mk-root,body{margin:0;padding:0}.mk{background:var(--mk-bg);color:var(--mk-text);font-family:var(--mk-sans);-webkit-font-smoothing:antialiased;min-height:100vh;font-size:16px;line-height:1.75}.mk ::selection{color:#fff;background:#5b7cfa59}.mk :focus-visible{outline:2px solid var(--mk-sub);outline-offset:2px;border-radius:4px}.mk a{color:inherit;text-decoration:none}.mk-container{max-width:var(--mk-maxw);margin:0 auto;padding:0 24px}.mk-section{padding:clamp(72px,9vw,120px) 0 0;scroll-margin-top:84px}.mk-eyebrow{font-family:var(--mk-mono);color:var(--mk-video);letter-spacing:.16em;text-transform:uppercase;align-items:center;gap:10px;margin-bottom:16px;font-size:12px;font-weight:700;display:inline-flex}.mk-eyebrow:before{content:"";background:var(--mk-video);flex:none;width:22px;height:2px}.mk-eyebrow-cn{color:var(--mk-live)}.mk-h2{letter-spacing:.01em;margin:0 0 14px;font-size:clamp(26px,3.5vw,40px);font-weight:800;line-height:1.3}.mk-lede{max-width:620px;color:var(--mk-dim);margin:0;font-size:17px}.mk-btn{border-radius:var(--mk-r-btn);height:48px;font-family:var(--mk-sans);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 24px;font-size:15px;font-weight:600;line-height:1;transition:background .15s,border-color .15s,color .15s,transform .1s;display:inline-flex}.mk-btn:active{transform:translateY(1px)}.mk-btn-primary{background:var(--mk-video);color:#fff}.mk-btn-primary:hover{background:#6c8bfb}.mk-btn-ghost{border-color:var(--mk-line);color:var(--mk-text);background:#15182199}.mk-btn-ghost:hover{background:#1a1e29cc;border-color:#3a4152}.mk-nav{z-index:100;-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--mk-line-2);background:#0e1015d9;height:64px;position:fixed;top:0;left:0;right:0}.mk-nav-inner{align-items:center;gap:32px;height:100%;display:flex}.mk-brand{letter-spacing:.01em;align-items:center;gap:10px;font-size:17px;font-weight:700;display:inline-flex}.mk-nav-links{color:var(--mk-dim);align-items:center;gap:26px;margin-left:12px;font-size:14px;display:flex}.mk-nav-links a{transition:color .15s}.mk-nav-links a:hover{color:var(--mk-text)}.mk-nav-cta{height:38px;margin-left:auto;padding:0 18px;font-size:14px}.mk-hero{flex-direction:column;justify-content:center;gap:clamp(32px,5vh,56px);min-height:92vh;padding-top:64px;padding-bottom:24px;display:flex}.mk-hero .mk-eyebrow{margin-bottom:18px}.mk-h1{letter-spacing:.01em;margin:0 0 20px;font-size:clamp(40px,7vw,72px);font-weight:900;line-height:1.14}.mk-hero-sub{max-width:640px;color:var(--mk-dim);margin:0;font-size:17px}.mk-free{color:var(--mk-dim);align-items:center;gap:12px;margin:22px 0 0;font-size:14.5px;display:flex}.mk-free-tag{height:26px;color:var(--mk-ok);letter-spacing:.06em;background:#5dd6a324;border:1px solid #5dd6a366;border-radius:13px;flex:none;align-items:center;padding:0 12px;font-size:12.5px;font-weight:700;display:inline-flex}.mk-hero-ctas{flex-wrap:wrap;gap:14px;margin-top:30px;display:flex}.mk-trust{color:var(--mk-mute);margin:18px 0 0;font-size:13.5px}.mk-trust b{color:var(--mk-dim);font-weight:600}.mk-wb{border:1px solid var(--mk-line);background:var(--mk-elev-2);border-radius:var(--mk-r);overflow:hidden;box-shadow:0 18px 50px #00000059}.mk-wb-hdr{border-bottom:1px solid var(--mk-line-2);background:#0e1015d9;justify-content:space-between;align-items:center;height:52px;padding:0 16px;display:flex}.mk-wb-brand{align-items:center;gap:8px;font-size:14px;font-weight:700;display:inline-flex}.mk-wb-hdr-right{align-items:center;gap:8px;display:inline-flex}.mk-wb-pill{border:1px solid var(--mk-line);background:var(--mk-elev);height:26px;font-family:var(--mk-mono);color:var(--mk-dim);font-variant-numeric:tabular-nums;border-radius:13px;align-items:center;padding:0 11px;font-size:11.5px;display:inline-flex}.mk-wb-pill.is-gift{color:var(--mk-ok);border-color:#5dd6a366}.mk-wb-gear{color:var(--mk-mute);padding:0 2px;font-size:14px}.mk-wb-body{grid-template-columns:280px 1fr;display:grid}.mk-wb-left{border-right:1px solid var(--mk-line-2);align-content:start;gap:8px;padding:14px;display:grid}.mk-wb-step{border:1px solid var(--mk-line);background:var(--mk-elev);opacity:0;border-radius:8px;align-items:center;gap:10px;padding:9px 12px;animation:.45s ease-out forwards mk-pop;display:flex}.mk-wb-num{font-family:var(--mk-mono);color:var(--mk-faint);font-size:11px;font-weight:700}.mk-wb-name{font-size:13px;font-weight:600}.mk-wb-chip{border-radius:4px;align-items:center;height:20px;margin-left:auto;padding:0 8px;font-size:11px;line-height:1;display:inline-flex}.mk-wb-chip.is-video{color:#c7d4ff;background:#5b7cfa24;border:1px solid #5b7cfa59}.mk-wb-chip.is-audio{color:#bfeef5;background:#29c4d91f;border:1px solid #29c4d952}.mk-wb-chip.is-sub{color:#f3e2bb;background:#f5b8331a;border:1px solid #f5b8334d}.mk-wb-gen{background:var(--mk-video);color:#fff;opacity:0;border-radius:8px;justify-content:center;align-items:center;height:40px;margin-top:4px;font-size:14px;font-weight:600;animation:.45s ease-out forwards mk-pop;display:flex}.mk-wb-right{align-content:start;gap:12px;padding:14px 16px;display:grid}.mk-wb-set{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.mk-wb-seg{border:1px solid var(--mk-line);background:var(--mk-elev);height:28px;color:var(--mk-mute);border-radius:6px;align-items:center;padding:0 12px;font-size:12px;display:inline-flex}.mk-wb-seg.is-active{border-color:var(--mk-video);color:#fff;background:#5b7cfa33}.mk-wb-kv{color:var(--mk-mute);margin-left:6px;font-size:12px}.mk-wb-kv b{font-family:var(--mk-mono);color:var(--mk-text);font-weight:700}.mk-wb-tabs{border-bottom:1px solid var(--mk-line-2);gap:4px;display:flex}.mk-wb-tabs span{color:var(--mk-mute);border-bottom:2px solid #0000;padding:5px 14px;font-size:13px}.mk-wb-tabs span.is-on{color:var(--mk-text);border-bottom-color:var(--mk-video);font-weight:600}.mk-wb-grid{flex-wrap:wrap;gap:10px;display:flex}.mk-wb-thumb{aspect-ratio:9/16;border:1px solid var(--mk-line);opacity:0;background:linear-gradient(160deg,#1b2233,#141a26,#101622);border-radius:8px;flex-direction:column;justify-content:flex-end;gap:2px;width:116px;padding:10px;animation:.45s ease-out forwards mk-pop;display:flex;position:relative}.mk-wb-thumb:before{content:"";background:#e6e9ef1f;border-radius:3px;height:14px;position:absolute;top:10px;left:10px;right:10px}.mk-wb-play{width:34px;height:34px;color:var(--mk-text);background:#0e1015a6;border:1px solid #e6e9ef40;border-radius:50%;justify-content:center;align-items:center;font-size:12px;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-60%)}.mk-wb-fname{font-family:var(--mk-mono);color:var(--mk-dim);font-size:10.5px}.mk-wb-fsize{font-family:var(--mk-mono);color:var(--mk-ok);font-size:10px}.mk-wb-rendering{border:1px dashed var(--mk-line);opacity:0;border-radius:8px;flex:1;align-content:center;gap:8px;min-width:180px;padding:12px 14px;animation:.45s ease-out forwards mk-pop;display:grid}.mk-wb-rendering .mk-wb-fsize{color:var(--mk-mute)}.mk-wb-live{color:var(--mk-live);font-weight:700}.mk-wb-bar{background:var(--mk-line);border-radius:2px;height:4px;overflow:hidden}.mk-wb-bar i{background:var(--mk-video);width:0;height:100%;animation:1.8s ease-out 1.4s forwards mk-bar;display:block}@keyframes mk-pop{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes mk-bar{to{width:42%}}.mk-flow{grid-template-columns:1fr 30px 1fr 30px 1fr;gap:0 6px;margin-top:40px;display:grid}.mk-flow-diamond{background:#39404f;border-radius:1px;place-self:center;width:10px;height:10px;transform:rotate(45deg)}.mk-step{background:var(--mk-elev);border:1px solid var(--mk-line);border-top:2px solid var(--mk-video);border-radius:10px;padding:22px 24px 20px}.mk-step.is-2{border-top-color:var(--mk-sub)}.mk-step.is-3{border-top-color:var(--mk-audio)}.mk-step-num{font-family:var(--mk-mono);color:var(--mk-live);letter-spacing:.1em;font-size:12px;font-weight:700}.mk-step-name{margin:8px 0;font-size:19px;font-weight:700}.mk-step-desc{color:var(--mk-dim);margin:0 0 12px;font-size:14px}.mk-step-list{margin:0;padding:0;list-style:none}.mk-step-list li{color:var(--mk-mute);padding:3px 0 3px 16px;font-size:13px;position:relative}.mk-step-list li:before{content:"";background:var(--mk-faint);width:7px;height:2px;position:absolute;top:.85em;left:0}.mk-caps{gap:12px;margin-top:40px;display:grid}.mk-cap-row{border-bottom:1px solid var(--mk-line-2);grid-template-columns:110px 1fr;align-items:start;gap:16px;padding:14px 0;display:grid}.mk-cap-row:first-child{border-top:1px solid var(--mk-line-2)}.mk-cap-label{color:var(--mk-dim);white-space:nowrap;align-items:center;gap:8px;padding-top:6px;font-size:14px;font-weight:600;display:inline-flex}.mk-cap-label i{border-radius:2px;flex:none;width:8px;height:8px}.mk-cap-row.is-video .mk-cap-label i{background:var(--mk-video)}.mk-cap-row.is-sub .mk-cap-label i{background:var(--mk-sub)}.mk-cap-row.is-audio .mk-cap-label i{background:var(--mk-audio)}.mk-cap-clips{flex-wrap:wrap;gap:10px;display:flex}.mk-cap-clip{border:1px solid;border-radius:8px;gap:3px;max-width:400px;padding:12px 16px;display:grid}.mk-cap-clip b{font-size:14px;font-weight:600}.mk-cap-clip span{color:var(--mk-mute);font-size:13px;line-height:1.6}.mk-cap-row.is-video .mk-cap-clip{background:#5b7cfa14;border-color:#5b7cfa4d}.mk-cap-row.is-video .mk-cap-clip b{color:#c7d4ff}.mk-cap-row.is-sub .mk-cap-clip{background:#f5b83312;border-color:#f5b83347}.mk-cap-row.is-sub .mk-cap-clip b{color:#f3e2bb}.mk-cap-row.is-audio .mk-cap-clip{background:#29c4d912;border-color:#29c4d947}.mk-cap-row.is-audio .mk-cap-clip b{color:#bfeef5}.mk-stats{border:1px dashed var(--mk-line);border-radius:10px;flex-wrap:wrap;gap:12px 32px;margin-top:40px;padding:18px 22px;display:flex}.mk-stat{font-family:var(--mk-mono);color:var(--mk-mute);font-size:13px}.mk-stat b{color:var(--mk-text);font-variant-numeric:tabular-nums;margin-right:7px;font-size:16px;font-weight:700}.mk-grid4{grid-template-columns:1fr 1fr;gap:16px;margin-top:40px;display:grid}.mk-card{background:var(--mk-elev);border:1px solid var(--mk-line);border-radius:10px;padding:20px 22px}.mk-card b{margin-bottom:6px;font-size:15px;font-weight:600;display:block}.mk-card span{color:var(--mk-mute);font-size:14px}.mk-duo{grid-template-columns:5fr 7fr;align-items:start;gap:48px;margin-top:40px;display:grid}.mk-points{display:grid}.mk-point{border-bottom:1px solid var(--mk-line-2);padding:16px 0}.mk-point:first-child{border-top:1px solid var(--mk-line-2)}.mk-point b{margin-bottom:4px;font-size:15px;font-weight:600;display:block}.mk-point span{color:var(--mk-mute);font-size:14px}.mk-duo-cta{margin-top:28px}.mk-spec{border:1px solid var(--mk-line);background:var(--mk-elev-2);border-radius:10px;overflow:hidden}.mk-spec-row{border-bottom:1px solid var(--mk-line-2);grid-template-columns:130px 1fr;align-items:baseline;padding:13px 18px;display:grid}.mk-spec-row:last-child{border-bottom:0}.mk-spec-row .k{font-family:var(--mk-mono);color:var(--mk-faint);letter-spacing:.08em;font-size:12px}.mk-spec-row .v{color:var(--mk-dim);font-size:14px}.mk-spec-row .v.accent{color:var(--mk-ok);font-weight:600}.mk-dl-ctas{flex-wrap:wrap;gap:14px;margin-top:30px;display:flex}.mk-footer{border-top:1px solid var(--mk-line-2);background:var(--mk-bg-deep);margin-top:clamp(72px,9vw,120px)}.mk-foot-grid{grid-template-columns:2.2fr 1fr 1fr 1fr;gap:40px;padding:52px 0 44px;display:grid}.mk-foot-brand{align-items:center;gap:10px;margin-bottom:14px;font-size:17px;font-weight:700;display:inline-flex}.mk-foot-tagline{max-width:340px;color:var(--mk-mute);margin:0;font-size:13.5px;line-height:1.8}.mk-foot-col h4{color:var(--mk-text);letter-spacing:.06em;margin:4px 0 14px;font-size:13px;font-weight:600}.mk-foot-col a{color:var(--mk-mute);padding:4px 0;font-size:14px;transition:color .15s;display:block}.mk-foot-col a:hover{color:var(--mk-text)}.mk-foot-bottom{border-top:1px solid var(--mk-line-2);color:var(--mk-faint);flex-wrap:wrap;gap:8px 20px;padding:18px 0 28px;font-size:12.5px;display:flex}.mk-foot-bottom a{color:var(--mk-faint)}.mk-foot-bottom a:hover{color:var(--mk-mute)}.mk-reveal{opacity:0;transition:opacity .5s,transform .5s;transform:translateY(10px)}.mk-reveal.mk-visible{opacity:1;transform:none}@media (max-width:1024px){.mk-flow{grid-template-columns:1fr 26px 1fr 26px 1fr}.mk-cap-clip{max-width:340px}.mk-wb-body{grid-template-columns:240px 1fr}.mk-wb-thumb{width:100px}}@media (max-width:760px){.mk-nav-links{display:none}.mk-hero{min-height:auto;padding-top:104px}.mk-wb-body{grid-template-columns:1fr}.mk-wb-left{border-right:0;border-bottom:1px solid var(--mk-line-2)}.mk-wb-thumb{width:96px}.mk-flow{grid-template-columns:1fr;gap:6px}.mk-flow-diamond{display:none}.mk-cap-row{grid-template-columns:1fr;gap:10px;padding:12px 0}.mk-grid4{grid-template-columns:1fr}.mk-duo{grid-template-columns:1fr;gap:28px}.mk-foot-grid{grid-template-columns:1fr 1fr;gap:28px}}@media (max-width:480px){.mk-container{padding:0 18px}.mk-cap-clip{max-width:none}.mk-stats{gap:10px 20px}.mk-wb-gear{display:none}.mk-wb-thumb{width:88px}.mk-wb-rendering{min-width:100%}.mk-hero-ctas .mk-btn,.mk-dl-ctas .mk-btn{width:100%}.mk-free{flex-wrap:wrap;gap:8px}.mk-foot-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mk *,.mk :before,.mk :after{transition-duration:10ms!important;animation-duration:10ms!important;animation-delay:0s!important}.mk-reveal{opacity:1;transform:none}}