:root{--bg:#f7f6f2;--paper:#fff;--ink:#252924;--muted:#666b62;--line:#dfE1d8;--orange:#b9431c;--orange-light:#fbede5;--green:#3e5543;--radius:20px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #bf561e;outline-offset:4px}button,a{touch-action:manipulation}.shell{max-width:1224px;margin:auto;padding:0 48px}.header{height:112px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:29px;font-weight:750;letter-spacing:-1.2px}.brand-icon{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;background:var(--orange);color:white;font-size:15px;padding-left:2px}.brand-dot{color:var(--orange)}.brand-sub{font-weight:500;letter-spacing:.04em;margin-left:10px;font-size:17px}.header-note,.header-home{font-size:13px;color:var(--muted)}.header-home{padding:12px 0}.home{display:grid;grid-template-columns:1fr 1.15fr;gap:76px;padding:85px 0 76px;align-items:center}.eyebrow{font-size:10px;letter-spacing:.16em;font-weight:650;line-height:1.6;display:inline-flex;align-items:center;gap:8px}.dot{width:6px;height:6px;border-radius:50%;background:var(--orange)}.muted{color:var(--muted)}h1,h2,h3,p{margin:0}.intro h1{font-size:clamp(34px,4.1vw,51px);font-weight:650;letter-spacing:-.045em;line-height:1.43;margin:25px 0 24px;white-space:nowrap}.intro h1 span{color:var(--orange)}.intro-copy{font-size:15px;line-height:2.1;color:var(--muted)}.intro-foot{display:flex;gap:12px;align-items:center;margin-top:43px;font-size:12px;color:var(--green)}.intro-foot>span:first-child{font-size:24px;font-weight:400}.workspace{background:var(--paper);padding:30px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 22px #25292403}.form-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:28px}.form-heading h2{font-size:21px;font-weight:600;margin-top:7px;letter-spacing:-.04em}.platform{font-size:11px;color:var(--muted);background:var(--bg);border:1px solid var(--line);padding:5px 9px;border-radius:6px}label{font-size:12px;font-weight:550;display:block;margin-bottom:10px}.textarea-wrap{position:relative}textarea{width:100%;resize:vertical;min-height:151px;max-height:340px;line-height:1.8;font-size:13px;padding:16px 17px 42px;background:#fafbf8;border:1px solid #e0e3db;border-radius:10px;color:var(--ink);display:block}textarea::placeholder{color:#81867c}.paste-button{position:absolute;bottom:9px;right:10px;border:1px solid var(--line);background:white;border-radius:6px;padding:5px 13px;font-size:11px;color:var(--ink)}.helper{font-size:11px;line-height:1.8;color:var(--muted);margin-top:10px}.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 20px;border-radius:9px;font-size:13px;font-weight:550;border:1px solid transparent;transition:background .15s}.primary{background:var(--orange);color:white}.primary:hover{background:#a13918}.secondary{background:transparent;border-color:var(--line);color:var(--ink)}.secondary:hover{background:#edeee8}.submit{width:100%;justify-content:space-between;margin-top:22px;padding-left:18px;padding-right:18px}.submit>span:last-child{font-size:21px;font-weight:400}.sample-row{display:flex;justify-content:center;align-items:center;gap:7px;font-size:11px;color:var(--muted);border-top:1px solid #ebede6;padding-top:16px;margin-top:16px}.text-button{background:none;border:0;color:var(--green);font-size:inherit;padding:8px 0;text-underline-offset:4px}.text-button:hover{text-decoration:underline}.status{font-size:12px;line-height:1.8;color:var(--orange);margin-top:10px;overflow-wrap:anywhere}.status:empty{display:none}.status.error{color:#a72b27}.result{margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}.result-top{display:flex;align-items:center;gap:9px;color:var(--green);margin-bottom:12px}.success-mark{display:grid;place-items:center;background:#ebf0e8;width:22px;height:22px;border-radius:50%;font-size:12px}.result h3{font-size:16px;line-height:1.6;font-weight:600;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.link-input{width:100%;min-width:0;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px;font-size:12px;color:var(--ink)}.actions{display:flex;gap:8px;margin-top:12px}.actions .button{flex:1;padding:10px 12px;font-size:12px}.how{padding:37px 0 46px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 3.25fr;gap:40px}.how-title h2{font-size:16px;font-weight:550;margin-top:8px}.how ol{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);padding:0;margin:0;gap:22px}.how li{display:flex;gap:14px;align-items:flex-start}.step-number{font-size:12px;color:#9b5a3c;font-family:ui-monospace,monospace;margin-top:3px}.how h3{font-size:13px;font-weight:600;margin-bottom:9px}.how p{font-size:11px;line-height:1.85;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:23px 0 28px;border-top:1px solid var(--line);color:var(--muted);font-size:10px;line-height:1.8}.footer-brand{color:var(--ink);margin-left:8px}.skip-link{position:fixed;left:12px;top:-80px;z-index:20;background:white;padding:12px}.skip-link:focus{top:10px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--ink);color:white;font-size:13px;line-height:1.6;padding:12px 20px;border-radius:10px;z-index:20;text-align:center}.watch{padding:28px 0 36px}.watch-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:27px}.back-link{font-size:12px;color:var(--muted);padding:8px 0}.watch-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(250px,1fr);gap:42px}.player-wrap{background:#171a17;border-radius:14px;overflow:hidden;position:relative;min-height:300px;aspect-ratio:16/10;display:flex;align-items:center;justify-content:center}video{width:100%;height:100%;max-height:72vh;display:block;object-fit:contain}.video-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px;color:#c7cec5;font-size:13px;background:#171a17}.big-play{font-size:29px;display:grid;place-items:center;border:1px solid #50594c;width:72px;height:72px;border-radius:50%;padding-left:5px}.player-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:11px;line-height:1.7;color:var(--muted);padding-top:10px}.media-facts{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}.media-fact{display:inline-flex;align-items:center;min-height:28px;padding:4px 10px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--muted);font-size:11px;line-height:1.4;font-variant-numeric:tabular-nums}.download-row{margin-top:8px}.watch-info{padding:10px 0}.watch-info h1{font-size:23px;line-height:1.75;font-weight:600;margin:13px 0 17px;letter-spacing:-.035em;overflow-wrap:anywhere;white-space:pre-wrap}.author{font-size:13px;color:var(--green)}.info-divider{height:1px;background:var(--line);margin:26px 0}.share-note{font-size:12px;color:var(--muted);margin-bottom:12px}.watch-info .button{width:100%;margin-bottom:9px;justify-content:space-between}.original-link{display:inline-block;font-size:12px;color:var(--green);padding:12px 0;text-decoration:underline;text-underline-offset:4px}.watch-hint{color:var(--muted);font-size:11px;line-height:1.8;margin-top:22px}.watch-bottom{margin-top:50px;border-top:1px solid var(--line);padding-top:28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.watch-bottom h2{font-size:17px;font-weight:550}.watch-bottom p{font-size:12px;color:var(--muted);margin-top:9px}.error-page{max-width:600px;margin:15vh auto;padding:30px}.error-page h1{font-size:28px}.error-page p{margin:20px 0;line-height:1.8;color:var(--muted)}
@media(min-width:1400px){.home{padding-top:110px;padding-bottom:105px}}
@media(max-width:1000px){.shell{padding:0 32px}.home{gap:35px;padding:65px 0}.intro h1{font-size:38px}.workspace{padding:25px}.how{grid-template-columns:1fr;gap:24px}.how-title{display:flex;justify-content:space-between;align-items:center}.how-title h2{margin:0}.watch-grid{gap:28px}.watch-info h1{font-size:20px}}
@media(max-width:700px){.shell{padding:0 22px}.header{height:83px}.brand{font-size:25px;gap:9px}.brand-icon{width:31px;height:31px;border-radius:9px;font-size:13px}.brand-sub{font-size:15px;margin-left:8px}.header-note{font-size:10px}.header-home{font-size:11px}.home{grid-template-columns:1fr;gap:33px;padding:40px 0 35px}.intro h1{font-size:38px;line-height:1.35;margin:17px 0 15px}.intro-copy{font-size:13px;line-height:1.95}.intro-foot{display:none}.eyebrow{font-size:9px}.workspace{padding:23px 20px;border-radius:15px}.form-heading{margin-bottom:22px}.form-heading h2{font-size:19px}.textarea-wrap textarea{font-size:13px;min-height:142px}.how{padding:26px 0 32px;gap:27px}.how-title h2{font-size:14px}.how ol{grid-template-columns:1fr;gap:23px}.how li{gap:18px}.how h3{margin-bottom:5px}.how p{font-size:12px}.step-number{font-size:13px}footer{font-size:9px;gap:7px;flex-direction:column;padding:20px 0}.watch{padding-top:19px}.watch-top{margin-bottom:16px}.watch-grid{grid-template-columns:1fr;gap:20px}.player-wrap{min-height:210px;aspect-ratio:16/10;border-radius:11px}.player-wrap.portrait{aspect-ratio:9/14;max-height:70vh}.watch-info{padding:0}.watch-info h1{font-size:19px;line-height:1.65;margin:10px 0 14px}.info-divider{margin:21px 0}.watch-hint{margin-top:10px}.watch-bottom{margin-top:30px;align-items:flex-start;flex-direction:column}.watch-bottom h2{font-size:16px}.watch-bottom .button{width:100%}.player-bar{gap:12px;font-size:10px}.button{min-height:46px}.text-button{min-height:34px}.sample-row{font-size:11px}.watch-info .button{justify-content:center}.watch-top .eyebrow{font-size:8px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}