:root{color-scheme:dark;--bg:#06070c;--bg-soft:#0a0c15;--panel:hsla(0,0%,100%,.035);--panel-strong:hsla(0,0%,100%,.06);--line:hsla(0,0%,100%,.09);--line-strong:hsla(0,0%,100%,.16);--text:#f0f2fa;--text-2:#a7adc4;--text-3:#6c7290;--ok:#3ddc97;--bad:#ff7d92;--busy:#25f4ee;--cyan:#25f4ee;--pink:#fe2c55;--violet:#7b5cff;--amber:#ffc94d;--grad-neon:linear-gradient(115deg,#25f4ee,#7b5cff 48%,#fe2c55);--grad-btn:linear-gradient(115deg,#22e6e0,#7b5cff 50%,#fe2c55);--radius:18px;--radius-sm:12px;--shadow-panel:0 24px 60px -20px rgba(0,0,0,.75);--glow-pink:0 0 32px rgba(254,44,85,.35);--glow-cyan:0 0 32px rgba(37,244,238,.28);--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}::selection{background:rgba(123,92,255,.45);color:#fff}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:hsla(0,0%,100%,.14);border-radius:6px;border:2px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:hsla(0,0%,100%,.26)}.container{max-width:1080px;margin:0 auto;padding:0 24px}section{scroll-margin-top:92px}.scroll-progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--grad-neon);box-shadow:0 0 12px rgba(123,92,255,.8);z-index:100;transition:width .08s linear}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:90;backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);background:rgba(6,7,12,.72);border-bottom:1px solid var(--line)}.nav-inner{max-width:1080px;margin:0 auto;padding:0 24px;height:60px;justify-content:space-between;gap:16px}.brand,.nav-inner{display:flex;align-items:center}.brand{gap:10px;font-weight:800;font-size:16px;letter-spacing:.2px;text-decoration:none;color:var(--text);white-space:nowrap}.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--grad-neon);display:grid;place-items:center;box-shadow:var(--glow-pink);flex-shrink:0}.brand-mark svg{width:14px;height:14px;display:block}.nav-links{display:flex;align-items:center;gap:4px}.nav-links a{color:var(--text-2);text-decoration:none;font-size:13.5px;padding:7px 12px;border-radius:9px;transition:.18s;white-space:nowrap}.nav-links a:hover{color:var(--text);background:var(--panel-strong)}.hero{position:relative;padding:72px 0 48px;text-align:center;overflow:hidden}.hero-bg{position:absolute;inset:-10% -10% 0;pointer-events:none;z-index:0}.hero-bg:before{content:"";position:absolute;inset:0;background-image:linear-gradient(hsla(0,0%,100%,.05) 1px,transparent 0),linear-gradient(90deg,hsla(0,0%,100%,.05) 1px,transparent 0);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 80% 62% at 50% 32%,#000 12%,transparent 76%);mask-image:radial-gradient(ellipse 80% 62% at 50% 32%,#000 12%,transparent 76%)}.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.45}.glow-cyan{width:460px;height:460px;top:-140px;left:4%;background:radial-gradient(circle,rgba(37,244,238,.55),transparent 68%)}.glow-pink{width:520px;height:520px;top:-80px;right:2%;background:radial-gradient(circle,rgba(254,44,85,.5),transparent 68%)}.glow-violet{width:620px;height:380px;bottom:-200px;left:50%;transform:translateX(-50%);background:radial-gradient(circle,rgba(123,92,255,.42),transparent 70%)}.hero-inner{position:relative;z-index:1}.hero h1{margin:0 auto 14px;max-width:820px;font-size:clamp(30px,5.4vw,48px);font-weight:800;line-height:1.2;letter-spacing:-1px}.grad-text{background:var(--grad-neon);-webkit-background-clip:text;background-clip:text;color:transparent;margin-left:10px}.hero .lede{margin:0 auto;max-width:560px;color:var(--text-2);font-size:clamp(14px,2vw,16px)}.parser{position:relative;z-index:1;margin:34px auto 0;max-width:780px}.input-shell{display:flex;gap:10px;align-items:center;padding:10px;border-radius:22px;background:hsla(0,0%,100%,.05);border:1px solid var(--line-strong);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow-panel),inset 0 1px 0 hsla(0,0%,100%,.06);transition:border-color .22s,box-shadow .22s}.input-shell:focus-within{border-color:rgba(37,244,238,.55);box-shadow:var(--shadow-panel),var(--glow-cyan),inset 0 1px 0 hsla(0,0%,100%,.08)}.input-line{flex:1 1;min-width:0;display:flex;align-items:center;gap:6px}.input-shell input{flex:1 1;min-width:0;border:none;outline:none;background:transparent;color:var(--text);font-size:16.5px;padding:15px 8px 15px 16px;font-family:inherit}.input-shell input::placeholder{color:var(--text-3)}.paste-btn{flex-shrink:0;border:1px solid var(--line-strong);background:var(--panel);color:var(--text-2);font-family:inherit;font-size:13px;font-weight:600;padding:9px 14px;margin-right:4px;border-radius:12px;cursor:pointer;transition:.18s;white-space:nowrap}.paste-btn:hover:not(:disabled){color:var(--text);border-color:rgba(37,244,238,.5);background:rgba(37,244,238,.1)}.paste-btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{border:none;cursor:pointer;border-radius:15px;padding:0 34px;min-height:58px;font-size:16px;font-weight:700;font-family:inherit;color:#fff;background:var(--grad-btn);background-size:180% 100%;box-shadow:0 8px 26px rgba(123,92,255,.4);transition:background-position .4s,transform .16s,box-shadow .2s,opacity .16s;white-space:nowrap;letter-spacing:.4px}.btn-primary:hover:not(:disabled){background-position:100% 0;transform:translateY(-1px);box-shadow:0 12px 34px rgba(254,44,85,.45)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.input-status{margin-top:12px;min-height:22px;font-size:13px;color:var(--text-3);transition:color .2s}.input-status.good{color:var(--ok)}.input-status.bad{color:var(--bad)}.input-status.busy{color:var(--busy)}.input-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:6px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap}.link-btn{background:none;border:none;padding:4px 6px;font-size:12.5px;font-family:inherit;color:var(--text-2);cursor:pointer;border-radius:8px;text-decoration:underline;-webkit-text-decoration-color:hsla(0,0%,100%,.25);text-decoration-color:hsla(0,0%,100%,.25);text-underline-offset:3px;transition:.18s}.link-btn:hover{color:var(--cyan)}.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:30px}.chip{padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:var(--panel);font-size:12.5px;color:var(--text-2);letter-spacing:.3px}.result{margin-top:26px;border-radius:22px;background:linear-gradient(160deg,hsla(0,0%,100%,.06),hsla(0,0%,100%,.02));border:1px solid var(--line-strong);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow-panel);overflow:hidden;animation:rise .4s cubic-bezier(.22,1,.36,1);text-align:left}@keyframes rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}.result-main{display:flex;gap:20px;padding:22px}.result-cover{position:relative;width:176px;min-width:176px;aspect-ratio:9/12.6;border-radius:14px;overflow:hidden;background:#0d0f18;border:1px solid var(--line)}.result-cover img{width:100%;height:100%;object-fit:cover;display:block}.result-duration{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.72);border:1px solid hsla(0,0%,100%,.14);color:#fff;font-size:11.5px;font-family:var(--font-mono);padding:2px 8px;border-radius:7px}.result-info{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:10px}.result-author{display:flex;align-items:center;gap:11px}.result-author img{width:38px;height:38px;border-radius:50%;object-fit:cover;border:1px solid var(--line-strong)}.result-author .name{font-weight:700;font-size:15px}.result-author .uid{color:var(--cyan);font-size:12.5px;font-family:var(--font-mono)}.result-title{margin:0;font-size:13.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word;line-height:1.65}.result-actions{margin-top:auto}.btn-ghost{border:1px solid var(--line-strong);background:var(--panel);color:var(--text-2);border-radius:10px;padding:8px 15px;font-size:12.5px;font-family:inherit;cursor:pointer;transition:.18s}.btn-ghost:hover{color:var(--text);border-color:rgba(37,244,238,.45);background:rgba(37,244,238,.08)}.formats{border-top:1px solid var(--line);padding:18px 22px 22px;display:flex;flex-direction:column;gap:10px;background:rgba(0,0,0,.22)}.formats-head{font-size:11.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--text-3);font-family:var(--font-mono);margin-bottom:2px}.format-row{display:flex;align-items:center;gap:14px;padding:13px 15px;border:1px solid var(--line);border-radius:14px;background:var(--panel);transition:.2s}.format-row:hover{border-color:rgba(123,92,255,.5);background:rgba(123,92,255,.08);transform:translateX(2px)}.format-icon{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;font-size:10.5px;font-weight:800;font-family:var(--font-mono);color:#fff;letter-spacing:.4px;flex-shrink:0}.format-icon.video{background:linear-gradient(135deg,#00c2c7,#2f6bff);box-shadow:0 0 18px rgba(47,107,255,.35)}.format-row .label{flex:1 1;min-width:0;font-size:14.5px;font-weight:600}.format-row .hint{display:block;font-size:12px;font-weight:400;color:var(--text-3);margin-top:1px}.btn-dl{display:inline-flex;align-items:center;gap:7px;text-decoration:none;padding:10px 20px;border-radius:11px;font-size:13.5px;font-weight:700;color:#fff;background:var(--grad-btn);background-size:180% 100%;box-shadow:0 6px 20px rgba(254,44,85,.3);transition:background-position .4s,transform .16s;white-space:nowrap}.btn-dl:hover{background-position:100% 0;transform:translateY(-1px)}.loading{margin-top:22px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line-strong);padding:20px 22px;text-align:left;animation:rise .3s ease}.loading-title{display:flex;align-items:center;gap:12px;color:var(--text);font-size:14.5px;font-weight:600}.spinner{width:18px;height:18px;border:2px solid var(--line-strong);border-top-color:var(--cyan);border-radius:50%;animation:spin .75s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(1turn)}}.loading-steps{list-style:none;margin:14px 0 0;padding:0 0 0 30px;display:flex;flex-direction:column;gap:8px}.loading-steps li{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:9px;transition:color .25s}.loading-steps li.on{color:var(--text-2)}.loading-steps .dot{font-family:var(--font-mono);font-size:11px;width:14px;text-align:center;color:var(--text-3)}.loading-steps li.on .dot{color:var(--cyan)}.section{margin-top:96px}.section-head{text-align:center;max-width:620px;margin:0 auto 40px}.eyebrow{font-family:var(--font-mono);font-size:11.5px;letter-spacing:2.4px;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}.section-head h2{margin:0;font-size:clamp(23px,3.6vw,32px);font-weight:800;letter-spacing:-.6px}.features{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px}.feature{position:relative;padding:24px 20px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:.24s}.feature:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-neon);opacity:0;transition:opacity .24s}.feature:hover{border-color:var(--line-strong);background:var(--panel-strong);transform:translateY(-3px)}.feature:hover:before{opacity:1}.feature .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:rgba(123,92,255,.14);border:1px solid rgba(123,92,255,.3);margin-bottom:16px;font-size:24px}.feature .ico.mono{font-family:var(--font-mono);font-size:21px;font-weight:700;letter-spacing:0;color:var(--cyan);background:rgba(37,244,238,.1);border-color:rgba(37,244,238,.28)}.feature .t{font-weight:700;font-size:15.5px;margin-bottom:5px}.feature .d{font-size:13px;color:var(--text-2);line-height:1.7}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}.step{position:relative;padding:28px 24px 26px;border-radius:var(--radius);background:linear-gradient(170deg,hsla(0,0%,100%,.05),hsla(0,0%,100%,.015));border:1px solid var(--line);transition:.24s}.step:hover{border-color:var(--line-strong);transform:translateY(-3px)}.step-ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(37,244,238,.1);border:1px solid rgba(37,244,238,.28);color:var(--cyan);margin-bottom:16px}.step-ico svg{width:21px;height:21px}.step-k{font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--text);margin-bottom:6px}.step .d{font-size:13.5px;color:var(--text-2)}.faq-list{max-width:760px;margin:0 auto}.faq-list details{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden;transition:.2s}.faq-list details[open]{border-color:rgba(37,244,238,.35);background:var(--panel-strong)}.faq-list summary{cursor:pointer;list-style:none;padding:17px 20px;font-weight:600;font-size:14.5px;display:flex;justify-content:space-between;align-items:center;gap:16px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";font-size:19px;font-family:var(--font-mono);color:var(--cyan);transition:transform .24s;flex-shrink:0}.faq-list details[open] summary:after{transform:rotate(45deg)}.faq-list .answer{padding:0 20px 18px;color:var(--text-2);font-size:13.5px;line-height:1.8}footer{margin-top:100px;padding:44px 0 40px;border-top:1px solid var(--line);text-align:center}.disclaimer{max-width:760px;margin:0 auto 30px;padding:16px 20px;background:rgba(255,201,77,.06);border:1px solid rgba(255,201,77,.24);border-radius:14px;color:#e8c877;font-size:12.5px;line-height:1.85;text-align:left}.footer-brand{font-size:18px;font-weight:800;letter-spacing:.2px}.footer-tag{margin-top:2px}.footer-links,.footer-tag{font-size:12.5px;color:var(--text-3)}.footer-links{margin-top:14px;display:flex;justify-content:center;gap:10px}.footer-links a{color:var(--text-2);text-decoration:none;transition:.18s}.footer-links a:hover{color:var(--cyan)}.footer-copy{margin-top:12px;font-size:12px;color:var(--text-3)}.section-tight{margin-top:72px}.seo-copy{max-width:820px;margin:0 auto;color:var(--text-2);font-size:14.5px;line-height:1.95}.seo-copy p{margin:0 0 14px}.seo-copy p:last-child{margin-bottom:0}.howto{list-style:none;margin:0 auto;padding:0;max-width:820px;display:flex;flex-direction:column;gap:12px;counter-reset:howto}.howto-item{display:flex;align-items:flex-start;gap:16px;padding:20px 22px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);transition:.22s}.howto-item:hover{border-color:var(--line-strong);background:var(--panel-strong);transform:translateX(3px)}.howto-num{font-family:var(--font-mono);font-size:26px;font-weight:700;line-height:1.2;background:var(--grad-neon);-webkit-background-clip:text;background-clip:text;color:transparent;flex-shrink:0;width:44px}.howto-ico{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:rgba(37,244,238,.1);border:1px solid rgba(37,244,238,.26);color:var(--cyan);flex-shrink:0}.howto-ico svg{width:20px;height:20px}.howto-body .t{font-weight:700;font-size:15.5px;margin-bottom:4px}.howto-body .d{font-size:13.5px;color:var(--text-2);line-height:1.75}.device-grid{display:grid;grid-template-columns:1.5fr 1fr;grid-gap:20px;gap:20px;max-width:900px;margin:0 auto;align-items:start}.device-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.device-points li{position:relative;padding:14px 18px 14px 42px;border-radius:14px;background:var(--panel);border:1px solid var(--line);font-size:13.5px;color:var(--text-2);line-height:1.75}.device-points li:before{content:"✓";position:absolute;left:16px;top:14px;font-family:var(--font-mono);font-size:12px;color:var(--ok)}.device-note{border-radius:var(--radius);border:1px dashed var(--line-strong);background:hsla(0,0%,100%,.02);padding:18px 20px}.device-note .note-title{font-family:var(--font-mono);font-size:11.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--text-3);margin-bottom:12px}.note-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid var(--line);font-size:13px}.note-row:first-of-type{border-top:none}.note-row .k{color:var(--text-3);flex-shrink:0}.note-row .v{color:var(--text-2);text-align:right}.nav-links a.lang{margin-left:6px;border:1px solid var(--line-strong);border-radius:9px;padding:5px 11px;font-family:var(--font-mono);font-size:12px;color:var(--text)}.nav-links a.lang:hover{border-color:rgba(37,244,238,.5);color:var(--cyan);background:rgba(37,244,238,.08)}@media (max-width:900px){.features{grid-template-columns:repeat(2,1fr)}}@media (max-width:860px){.nav-links a:first-child{display:none}}@media (max-width:620px){.container{padding:0 18px}.hero{padding:52px 0 32px}.input-shell{flex-direction:column;align-items:stretch;padding:12px;border-radius:18px}.input-shell input{padding:10px 6px 10px 8px;font-size:15.5px}.paste-btn{margin-right:0}.btn-primary{width:100%}.result-main{flex-direction:column}.result-cover{width:100%;min-width:0;aspect-ratio:auto;height:320px}.device-grid,.features,.steps-grid{grid-template-columns:1fr}.howto-item{padding:16px;gap:12px}.howto-num{font-size:20px;width:32px}.howto-ico{display:none}.format-row{flex-wrap:wrap}.btn-dl{width:100%;justify-content:center}.section{margin-top:72px}footer{margin-top:76px}}