:root{color-scheme:light;--ink:#172333;--muted:#69788b;--dark:#111927;--paper:#fff;--line:#e6ebf0;--coral:#ff6b85;--coral-dark:#f24c6b;--teal:#46d4ce;--shadow:0 24px 70px rgba(18,33,52,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f8fafb;color:var(--ink);font-family:Inter,"Segoe UI",-apple-system,BlinkMacSystemFont,"Noto Sans SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
button,input{font:inherit}
button{cursor:pointer}
a{color:inherit}
.page-shell{overflow:hidden}
.container{width:min(1160px,calc(100% - 48px));margin-inline:auto}
.site-header{height:88px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;font-size:27px;letter-spacing:-1.5px;color:#162436}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;color:var(--coral)}
.brand-mark svg{width:30px;height:30px}
.brand-dot,.footer-brand span{color:var(--coral)}
.header-actions{display:flex;align-items:center;gap:26px}
.header-status{display:flex;align-items:center;gap:8px;color:#647183;font-size:13px;font-weight:600}
.status-dot{width:7px;height:7px;border-radius:50%;background:#27bea8;box-shadow:0 0 0 4px #dff7f2}
.language-toggle{display:flex;align-items:center;padding:4px;background:#edf1f4;border-radius:10px;gap:2px}
.language-toggle button{border:0;background:transparent;border-radius:7px;color:#7c8793;padding:7px 10px;font-size:12px;font-weight:800;line-height:1}
.language-toggle button.active{color:#172333;background:#fff;box-shadow:0 1px 5px #24344816}
.hero{position:relative;min-height:660px;padding:84px 0 105px;background:var(--dark);color:#fff;isolation:isolate}
.hero:before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 50% 13%,#25324b 0,#111927 54%)}
.hero:after{content:"";position:absolute;inset:0;z-index:-1;opacity:.28;background-image:linear-gradient(90deg,transparent 99%,#70819d 100%),linear-gradient(0deg,transparent 99%,#70819d 100%);background-size:64px 64px;mask-image:linear-gradient(to bottom,#000 0,transparent 85%)}
.hero-art{position:absolute;z-index:-1;border-radius:50%;pointer-events:none;filter:blur(1px)}
.hero-art-one{width:420px;height:420px;left:-300px;top:10px;border:70px solid #2d4350;opacity:.35}
.hero-art-two{width:320px;height:320px;right:-210px;bottom:28px;border:58px solid #3c2843;opacity:.7}
.hero-inner{position:relative;max-width:940px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#a7b7c7;font-size:11px;font-weight:800;letter-spacing:2.4px}
.eyebrow-line{width:19px;height:2px;background:var(--coral)}
h1,h2,h3,p{margin-top:0}
.hero h1{font-size:clamp(42px,5.3vw,68px);line-height:1.11;letter-spacing:-3.4px;max-width:740px;margin:21px auto 19px;font-weight:850}
.hero h1 em{font-style:normal;color:var(--coral)}
.hero-copy{color:#b6c3cf;font-size:17px;line-height:1.65;max-width:630px;margin:0 auto 37px}
.resolver-panel{background:#fff;color:var(--ink);padding:28px;border-radius:22px;box-shadow:0 20px 50px rgba(3,11,24,.3);text-align:left;max-width:780px;margin:auto}
.panel-heading{display:flex;align-items:center;gap:13px;margin-bottom:19px}
.panel-icon{width:41px;height:41px;display:grid;place-items:center;background:#fff0f2;color:var(--coral-dark);border-radius:11px;flex:none}
.panel-icon svg{width:22px;height:22px}
.panel-heading strong,.panel-heading span{display:block}
.panel-heading strong{font-size:15px;letter-spacing:-.15px;margin-bottom:3px}
.panel-heading div>span{font-size:12px;color:#8793a0}
#resolve-form{display:grid;grid-template-columns:minmax(0,1fr) 213px;gap:10px}
.input-wrap{position:relative;min-width:0}
.input-wrap input{height:54px;width:100%;padding:0 96px 0 18px;border:1px solid #dbe2ea;outline:0;border-radius:11px;color:#142235;background:#fafbfc;transition:border-color .2s,box-shadow .2s;font-size:14px}
.input-wrap input::placeholder{color:#a3afbc}
.input-wrap input:focus{border-color:#fc8fa2;box-shadow:0 0 0 4px #ff6b851e;background:#fff}
.paste-button{position:absolute;right:7px;top:7px;height:40px;border:0;background:#fff;color:#4d5a6a;border-radius:8px;padding:0 11px;display:flex;align-items:center;gap:5px;font-size:12px;font-weight:800;box-shadow:0 1px 6px #0a15200c}
.paste-button:hover{background:#f0f3f6}
.paste-button svg{width:16px;height:16px}
.resolve-button{height:54px;padding:0 17px;border:0;border-radius:11px;background:var(--coral);color:#fff;display:flex;align-items:center;justify-content:center;gap:10px;font-size:14px;font-weight:800;box-shadow:0 8px 18px #ff6b853b;transition:transform .2s,background .2s}
.resolve-button:hover{background:var(--coral-dark);transform:translateY(-1px)}
.resolve-button:disabled{cursor:wait;opacity:.7;transform:none}
.resolve-button svg{width:18px;height:18px}
.form-message{min-height:0;margin:0;color:#b33d55;font-size:13px;font-weight:600;line-height:1.5}
.form-message:not(:empty){padding-top:12px}
.form-message.success{color:#168d80}
.privacy-line{display:flex;align-items:center;gap:7px;color:#95a0ad;font-size:12px;margin-top:15px;line-height:1.4}
.privacy-line svg{width:15px;height:15px;flex:none;color:#38bbaa}
.result-card{max-width:780px;margin:24px auto 0;padding:22px 24px;background:#fff;color:var(--ink);border-radius:20px;text-align:left;box-shadow:0 20px 50px rgba(3,11,24,.18)}
.result-card[hidden]{display:none}
.result-top{display:flex;align-items:center;gap:18px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.result-cover{width:72px;height:86px;flex:none;border-radius:10px;background:linear-gradient(135deg,#304557,#141b2e);display:grid;place-items:center;overflow:hidden;color:#fff;font-size:16px;font-weight:900}
.result-cover img{width:100%;height:100%;object-fit:cover}
.result-meta{min-width:0;flex:1}
.result-kicker{display:block;color:#ed657c;font-size:10px;font-weight:900;letter-spacing:1.7px;margin-bottom:7px}
.result-meta h2{font-size:17px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;margin:0 0 5px}
.result-meta p{font-size:12px;color:var(--muted);margin:0}
.new-link-button{border:1px solid #dfe5eb;background:#fff;color:#617084;border-radius:9px;padding:9px 12px;font-size:12px;font-weight:800;white-space:nowrap}
.new-link-button:hover{background:#f5f7f9}
.format-list{display:grid;gap:10px;padding-top:17px}
.format-row{display:flex;align-items:center;width:100%;text-align:left;color:inherit;gap:12px;padding:11px 13px;border:1px solid #e8edf1;border-radius:11px;text-decoration:none;background:#fff;transition:border-color .2s,background .2s}
.format-row:hover{border-color:#ffc2cc;background:#fff9fa}
.format-row:disabled{cursor:wait;opacity:.55}
.format-row:focus-visible,.download-actions button:focus-visible{outline:3px solid #43bbb4;outline-offset:3px}
.format-icon{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;background:#fff0f2;color:#f45f78;flex:none}
.format-icon svg{width:18px;height:18px}
.format-row.audio .format-icon{background:#ecf9f7;color:#2baca2}
.format-label{font-weight:800;font-size:13px;flex:1}
.format-size{color:#99a5b0;font-size:12px}
.format-action{color:#ef5c76;font-size:12px;font-weight:800;margin-left:5px}
.result-note{color:#8a96a2;font-size:11px;line-height:1.5;margin:14px 2px 0}
.download-panel{margin-top:14px;padding:15px;background:#f0faf8;border:1px solid #d8eeea;border-radius:11px}
.download-panel[hidden],.download-panel [hidden]{display:none}
.download-status{margin:0;color:#286d64;font-size:13px;line-height:1.6;font-weight:600}
.download-progress{display:block;width:100%;height:8px;margin-top:12px;accent-color:#2db6a7;border:0;border-radius:8px;overflow:hidden}
.download-progress::-webkit-progress-bar{background:#dbeeea;border-radius:8px}
.download-progress::-webkit-progress-value{background:#2db6a7;border-radius:8px}
.download-progress::-moz-progress-bar{background:#2db6a7;border-radius:8px}
.download-amount{display:block;margin-top:7px;font-size:12px;color:#59847e;font-variant-numeric:tabular-nums}
.download-actions{display:flex;gap:8px;margin-top:12px}
.download-actions button{border-radius:8px;padding:8px 13px;font-size:12px;font-weight:800;line-height:1.4}
.download-primary{background:#2d9e90;border:1px solid #2d9e90;color:#fff}
.download-primary:hover{background:#25897d}
.download-secondary{background:#fff;border:1px solid #c4dfda;color:#49776f}
.download-secondary:hover{background:#f7fcfb}
.download-error{background:#fff5f6;border-color:#f5d9df}
.download-error .download-status{color:#b33d55}
.how-section{padding:100px 0 112px}
.section-heading{text-align:center;margin-bottom:40px}
.section-tag{color:#ee6b81;font-size:11px;letter-spacing:2px;font-weight:900}
.section-heading h2,.faq-intro h2{font-size:clamp(30px,3vw,40px);letter-spacing:-1.8px;margin:12px 0 11px;line-height:1.2}
.section-heading p{color:var(--muted);font-size:15px;margin-bottom:0}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.step{min-height:228px;position:relative;background:#fff;border:1px solid #edf0f3;border-radius:18px;padding:30px;box-shadow:0 8px 24px #24344808}
.step-number{position:absolute;right:26px;top:24px;color:#e8edf1;font-size:35px;font-weight:900;letter-spacing:-2px}
.step-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#fff0f2;color:#f3647d;margin-bottom:23px}
.step:nth-child(2) .step-icon{background:#ecf9f7;color:#2bb7ac}
.step:nth-child(3) .step-icon{background:#f0f1ff;color:#6b77d7}
.step-icon svg{width:27px;height:27px}
.step h3{font-size:17px;margin:0 0 8px;letter-spacing:-.4px}
.step p{font-size:13px;line-height:1.6;color:#7c8a99;margin:0}
.faq-section{background:#eef2f4;padding:85px 0}
.faq-inner{display:grid;grid-template-columns:290px minmax(0,1fr);gap:75px}
.faq-intro h2{max-width:240px}
.faq-list{border-top:1px solid #d7dfe6}
.faq-list details{border-bottom:1px solid #d7dfe6}
.faq-list summary{list-style:none;position:relative;cursor:pointer;padding:23px 28px 23px 0;font-size:15px;font-weight:750;line-height:1.4}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:3px;top:20px;color:#f2677e;font-size:22px;font-weight:400}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{font-size:13px;line-height:1.75;color:#68788a;margin:0 30px 22px 0}
.site-footer{background:#111927;color:#fff;padding:48px 0 42px}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:30px}
.footer-brand{font-size:22px;font-weight:900;letter-spacing:-1px;margin-bottom:10px}
.footer-inner p{max-width:585px;color:#8797aa;font-size:12px;line-height:1.7;margin:0}
.footer-inner>a{color:#b8c6d4;text-decoration:none;font-size:12px;white-space:nowrap;margin-top:7px}
.footer-inner>a:hover{color:#fff}
@media(max-width:760px){.container{width:min(100% - 32px,560px)}.site-header{height:72px}.brand{font-size:24px}.header-status{display:none}.hero{padding:67px 0 75px;min-height:0}.hero h1{letter-spacing:-2.3px;margin:17px auto 16px}.hero-copy{font-size:15px;margin-bottom:29px}.resolver-panel{padding:19px;border-radius:17px}#resolve-form{grid-template-columns:1fr;gap:9px}.resolve-button{width:100%}.panel-heading{margin-bottom:16px}.privacy-line{font-size:11px}.how-section{padding:75px 0 82px}.steps{grid-template-columns:1fr;gap:12px}.step{min-height:0;padding:23px}.step-icon{margin-bottom:16px}.faq-section{padding:65px 0}.faq-inner{grid-template-columns:1fr;gap:25px}.faq-intro h2{max-width:none}.footer-inner{display:block}.footer-inner>a{display:inline-block;margin-top:22px}}
@media(max-width:480px){.hero h1{font-size:43px}.hero-copy{font-size:14px}.result-card{padding:17px}.result-top{gap:11px}.result-cover{width:60px;height:74px}.result-meta h2{font-size:14px}.new-link-button{padding:8px;font-size:11px}.format-size{display:none}.format-row{gap:9px}.format-action{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.resolve-button,.format-row,.input-wrap input{transition:none}}
.error-page{background:#111927;color:#fff;min-height:100vh;display:grid;place-items:center;text-align:center}.error-page main{padding:24px}.error-page h1{color:#ff6b85}.error-page a{color:#fff}