/* Approved visual walkthrough design. Real product images retain original pixels. */
.v3-sections{padding:12px 0 30px;--v3-line:#ffffff13;--v3-surface:#1d1d21;--v3-pink:#fe2c55;--v3-cyan:#00f3e9}
.v3-section{padding-block:62px}.v3-section h2{font-size:32px;line-height:1.2;letter-spacing:-.035em;margin:0 0 20px;text-wrap:balance}.v3-section h3{font-size:18px;line-height:1.35;letter-spacing:-.02em;margin:0 0 8px;text-wrap:pretty}.v3-section p{font-size:15px;line-height:1.7;margin:0;color:#aaaab5}.v3-section .v3-lead{font-size:16px;line-height:1.7;margin-bottom:26px}.v3-section-intro{text-align:center;margin-bottom:34px}.v3-section-intro h2{margin-bottom:12px}.v3-section-intro p{font-size:17px}.v3-accent{display:block;width:56px;height:4px;background:linear-gradient(90deg,var(--v3-pink) 50%,var(--v3-cyan) 50%);border-radius:4px;margin:0 auto 25px}.v3-how-grid{display:grid;grid-template-columns:.85fr 1.3fr;gap:40px;align-items:center}.v3-step-list{list-style:none;padding:0;margin:0;display:grid;gap:27px}.v3-step-list li{display:grid;grid-template-columns:28px 44px 1fr;align-items:start;gap:14px;position:relative}.v3-step-list li:not(:last-child):before{content:'';position:absolute;left:13px;top:34px;bottom:-27px;border-left:1px dashed #ffffff24}.v3-num{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#303038;font-size:13px;font-weight:650;margin-top:7px;position:relative;z-index:1}.v3-step-list li:first-child .v3-num{background:var(--v3-pink)}.v3-step-list li:nth-child(2) .v3-num{background:var(--v3-cyan);color:#112025}.v3-section .feature-icon{width:44px;height:44px;border-radius:12px}.v3-section .feature-icon>.icon{width:25px;height:25px}.v3-step-list li:nth-child(2) .feature-icon{border-color:#fe2c5540}.v3-step-list li:nth-child(2) .feature-icon>.icon{filter:brightness(0) saturate(100%) invert(32%) sepia(90%) saturate(2523%) hue-rotate(328deg) brightness(103%) contrast(99%)}.v3-step-list h3{font-size:17px;margin-top:3px}.v3-step-list p{font-size:14px;max-width:260px}.v3-walkthrough{position:relative;margin-top:30px;padding-block:30px}.v3-capture{margin:0;min-width:0;position:relative}.v3-capture>a{display:block;overflow:hidden;border:1px solid #ffffff24;border-radius:14px;background:#1b1b1e;box-shadow:0 16px 45px #0003;cursor:zoom-in}.v3-capture img{width:100%;height:auto;display:block}.v3-capture figcaption{display:flex;justify-content:space-between;gap:10px;font-size:10px;color:#90909d;margin-top:12px;line-height:1.5}.v3-capture figcaption span{color:#b4b4bf}.v3-callout{position:absolute;z-index:2;font-size:11px;padding:7px 13px;border:1px solid #00f3e980;background:#132025;border-radius:9px;color:#f5f5f8}.v3-callout-top{top:-10px;left:15%}.v3-callout-top:after{content:'';position:absolute;top:100%;left:15px;width:1px;height:43px;background:var(--v3-cyan);transform:rotate(24deg);transform-origin:top}.v3-callout-bottom{bottom:30px;right:-7px;border-color:#fe2c5580;background:#281820}.v3-callout-bottom:before{content:'';position:absolute;bottom:100%;left:15px;height:34px;width:1px;background:var(--v3-pink);transform:rotate(-20deg);transform-origin:bottom}.v3-disclosure{border:1px solid var(--v3-line);background:linear-gradient(120deg,#22222680,#1a1a1e80);border-radius:11px;margin-top:15px;overflow:hidden}.v3-disclosure summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;list-style:none;font-size:15px;font-weight:550;line-height:1.5;padding:19px 22px}.v3-disclosure summary::-webkit-details-marker{display:none}.v3-disclosure summary:hover{color:var(--v3-cyan)}.v3-plus{position:relative;width:14px;height:14px;flex-shrink:0}.v3-plus:before,.v3-plus:after{content:'';position:absolute;background:#b4b4c0;border-radius:2px}.v3-plus:before{width:12px;height:1.5px;top:6px;left:1px}.v3-plus:after{width:1.5px;height:12px;left:6px;top:1px}.v3-disclosure[open] .v3-plus:after{display:none}.v3-disclosure[open] .v3-plus:before{background:var(--v3-pink)}.v3-answer{padding:0 22px 22px;max-width:950px}.v3-answer p+p,.v3-answer h3:not(:first-child){margin-top:17px}.v3-answer p{font-size:15px}.v3-answer h3{font-size:16px}.v3-answer ul{color:#aaaab5;padding-left:20px;font-size:15px}.v3-answer li+li{margin-top:9px}.v3-how>.v3-disclosure{margin-top:30px}.v3-watermark{display:grid;grid-template-columns:1.45fr 1fr;align-items:center;gap:50px}.v3-watermark .v3-capture:before{content:'';position:absolute;inset:-20px;z-index:-1;background:radial-gradient(ellipse at 10% 10%,#00f3e910,transparent 65%),radial-gradient(ellipse at 90% 90%,#fe2c5514,transparent 65%);filter:blur(8px)}.v3-benefit-list{list-style:none;display:grid;gap:17px;padding:0;margin:0 0 25px}.v3-benefit-list li{display:flex;align-items:center;gap:15px;font-size:16px;font-weight:550}.v3-quality{max-width:1000px}.v3-quality .v3-capture{max-width:940px;margin:auto}.v3-quality-benefits{display:grid;grid-template-columns:1fr 1fr;margin:28px 0;gap:28px}.v3-quality-benefits>div{display:flex;align-items:center;gap:18px}.v3-quality-benefits>div+div{border-left:1px solid var(--v3-line);padding-left:28px}.v3-quality-benefits h3{font-size:18px;margin-bottom:5px}.v3-quality-benefits p{font-size:14px}.v3-annotated{display:grid;grid-template-columns:1fr 1fr;gap:22px 60px;max-width:1000px;margin:auto}.v3-annotated>.v3-capture{grid-column:1/-1}.v3-note{display:flex;gap:12px;position:relative;align-items:flex-start}.v3-note>.icon{width:25px;height:25px;margin-top:3px;filter:brightness(0) saturate(100%) invert(91%) sepia(51%) saturate(3290%) hue-rotate(112deg) brightness(101%) contrast(102%)}.v3-note h3{font-size:16px;margin-bottom:4px}.v3-note p{font-size:13px}.v3-title-note,.v3-size-note{padding-left:70px}.v3-cover-note:after,.v3-title-note:after{content:'';width:1px;height:32px;position:absolute;left:15%;top:100%;background:var(--v3-cyan);z-index:2;transform:rotate(-25deg);transform-origin:top}.v3-title-note:after{left:30%;background:var(--v3-pink)}.v3-duration-note:before,.v3-size-note:before{content:'';position:absolute;left:22%;bottom:100%;height:43px;width:1px;background:var(--v3-pink);transform:rotate(25deg);transform-origin:bottom}.v3-size-note:before{left:55%;background:var(--v3-cyan)}.v3-still-note{display:flex;align-items:center;justify-content:center;gap:11px!important;font-size:13px!important;color:#9797a5!important;margin-top:26px!important}.v3-still-note>.icon{width:19px;height:19px;color:#9696a5}.v3-preview>.v3-disclosure{margin-top:27px}.v3-links{display:grid;grid-template-columns:1fr 1.3fr;gap:70px;align-items:center}.v3-eyebrow{font-size:10px;letter-spacing:.16em;display:block;color:#8e8e9c;margin-bottom:22px}.v3-art{width:100%;height:auto;display:block;mix-blend-mode:lighten}.v3-link-art{max-width:380px;margin-top:20px}.v3-link-type{display:grid;grid-template-columns:48px 1fr;gap:20px;padding:23px 0 27px;border-bottom:1px solid var(--v3-line);min-width:0}.v3-link-type h3{font-size:17px;margin-bottom:12px}.v3-example{font-size:14px;color:#c1c1cd;padding:13px 17px;border:1px solid #ffffff15;border-radius:30px;background:#202024;overflow-wrap:anywhere}.v3-supported-note{display:flex;gap:12px;margin-top:22px!important;font-size:12px!important}.v3-supported-note .icon{width:20px;height:20px;flex-shrink:0}.v3-supported-note strong{color:#ededf2}.v3-devices{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}.v3-device-content{border-left:1px solid var(--v3-line);padding-left:45px;min-width:0}.v3-device-art{min-width:0}.v3-tabs{display:flex;border-bottom:1px solid #ffffff22;margin:27px 0 32px;gap:25px}.v3-tabs button{border:0;border-bottom:3px solid transparent;margin-bottom:-1px;padding:0 0 14px;font-size:14px;font-weight:600;color:#9595a4;background:none;white-space:nowrap}.v3-tabs button[aria-selected=true]{color:#f4f4f7;border-bottom-color:var(--v3-pink)}.v3-device-steps{list-style:none;margin:0;padding:0;display:grid;gap:29px}.v3-device-steps li{display:grid;grid-template-columns:28px 44px 1fr;gap:17px;align-items:center}.v3-device-steps h3{font-size:16px;margin:0}.v3-device-steps .v3-num{margin-top:0;background:#2b2b33}.v3-device-content .v3-disclosure{margin-top:30px}.v3-device-content .v3-still-note{justify-content:flex-start}.v3-help{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:center}.v3-help-art{max-width:270px;margin-bottom:24px}.v3-help .v3-disclosure{margin-top:12px}.v3-help .v3-disclosure:first-child{margin-top:0}.v3-help .v3-lead{margin-bottom:0}.v3-help .v3-still-note{justify-content:flex-start}.v3-faq-list{max-width:820px;margin:auto}.v3-faq-emblem{display:inline-flex;color:var(--v3-cyan);margin-bottom:20px}.v3-faq-emblem>.icon{width:30px;height:30px}.v3-back{display:block;text-align:right;font-size:13px;color:#aaaab8;margin-top:27px;text-decoration:underline;text-underline-offset:4px}
@media(max-width:1000px){.v3-section{padding-block:48px}.v3-section h2{font-size:29px}.v3-how-grid{grid-template-columns:1fr 1.2fr;gap:26px}.v3-step-list li{grid-template-columns:25px 37px 1fr;gap:10px}.v3-section .feature-icon{width:37px;height:37px}.v3-section .feature-icon>.icon{width:22px;height:22px}.v3-watermark{gap:30px;grid-template-columns:1.2fr 1fr}.v3-links,.v3-help{gap:35px}.v3-device-content{padding-left:27px}.v3-devices{gap:25px}.v3-tabs{gap:18px}.v3-tabs button{font-size:12px}.v3-device-steps li{grid-template-columns:25px 37px 1fr;gap:12px}}
@media(max-width:820px){.v3-how-grid{grid-template-columns:1fr}.v3-step-list{grid-template-columns:repeat(3,1fr);gap:20px}.v3-step-list li{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.v3-step-list li:not(:last-child):before{display:none}.v3-step-list li>div{width:100%}.v3-step-list .v3-num{margin:0}.v3-step-list h3{font-size:16px}.v3-step-list p{font-size:13px}.v3-walkthrough{max-width:680px;margin:20px auto 0;width:100%}.v3-watermark{grid-template-columns:1fr 1fr;gap:25px}.v3-watermark h2{font-size:26px}.v3-watermark .v3-lead{font-size:15px}.v3-benefit-list li{font-size:14px}.v3-section .v3-disclosure summary{font-size:14px;padding:17px}.v3-answer{padding:0 17px 18px}.v3-links{gap:30px;grid-template-columns:.85fr 1.15fr}.v3-example{font-size:12px;padding:12px}.v3-link-type{gap:12px;grid-template-columns:37px 1fr}.v3-devices{grid-template-columns:.65fr 1fr;gap:20px}.v3-device-content{padding-left:20px}.v3-device-steps li{grid-template-columns:25px 1fr;gap:12px}.v3-device-steps li>.feature-icon{display:none}.v3-title-note,.v3-size-note{padding-left:25px}}
@media(max-width:640px){.v3-sections{padding-top:0}.v3-section{padding-block:37px}.v3-section h2{font-size:27px;line-height:1.23;margin-bottom:16px}.v3-section-intro{margin-bottom:25px}.v3-section-intro p{font-size:15px}.v3-section .v3-lead{font-size:15px;margin-bottom:24px}.v3-step-list{grid-template-columns:1fr;gap:23px}.v3-step-list li{display:grid;grid-template-columns:26px 40px 1fr;gap:12px;align-items:start}.v3-step-list li:not(:last-child):before{display:block;left:13px;top:31px;bottom:-25px}.v3-step-list li>div{width:auto}.v3-section .feature-icon{width:40px;height:40px}.v3-step-list h3{font-size:16px;margin-top:0}.v3-step-list p{font-size:13px;max-width:none}.v3-walkthrough{padding-top:25px;margin-top:20px;padding-bottom:30px}.v3-callout-top{font-size:10px;top:-5px}.v3-callout-bottom{font-size:10px;right:5px;bottom:16px}.v3-callout-top:after{height:25px}.v3-callout-bottom:before{height:22px}.v3-capture>a{border-radius:10px}.v3-capture figcaption{font-size:9px;gap:6px;margin-top:9px}.v3-how>.v3-disclosure{margin-top:20px}.v3-watermark,.v3-links,.v3-devices,.v3-help{grid-template-columns:1fr;gap:25px}.v3-watermark>.v3-capture{order:2}.v3-watermark .v3-capture:before{inset:-8px}.v3-benefit-list{grid-template-columns:1fr 1fr;gap:13px;margin-bottom:22px}.v3-benefit-list li{font-size:13px;gap:10px;align-items:flex-start}.v3-benefit-list .feature-icon{width:31px;height:31px;flex-shrink:0}.v3-benefit-list .feature-icon>.icon{width:20px;height:20px}.v3-quality-benefits{gap:15px;margin:22px 0}.v3-quality-benefits>div{align-items:flex-start;gap:10px}.v3-quality-benefits>div+div{padding-left:15px}.v3-quality-benefits .feature-icon{width:30px;height:30px;border-radius:9px}.v3-quality-benefits .feature-icon>.icon{width:18px;height:18px}.v3-quality-benefits h3{font-size:14px}.v3-quality-benefits p{font-size:12px}.v3-answer p,.v3-answer ul{font-size:14px}.v3-annotated{gap:15px}.v3-note{gap:8px}.v3-note>.icon{width:18px;height:18px}.v3-note h3{font-size:13px;margin-bottom:4px}.v3-note p{font-size:11px}.v3-title-note,.v3-size-note{padding-left:0}.v3-cover-note:after,.v3-title-note:after{height:20px}.v3-duration-note:before,.v3-size-note:before{height:28px}.v3-still-note{font-size:12px!important;line-height:1.7!important;align-items:flex-start}.v3-still-note>.icon{flex-shrink:0;margin-top:2px}.v3-links h2 br{display:none}.v3-link-art{max-width:250px;margin:0 auto}.v3-links>.v3-link-types{margin-top:-10px}.v3-link-type{grid-template-columns:40px 1fr;gap:15px;padding:20px 0}.v3-link-type h3{font-size:16px}.v3-example{font-size:12px;word-break:break-word}.v3-device-art{max-width:240px;margin:0 auto;order:2}.v3-device-content{border:0;padding:0}.v3-tabs{gap:0;justify-content:space-between;margin:24px 0 27px}.v3-tabs button{font-size:12px}.v3-device-steps{gap:23px}.v3-device-steps li{grid-template-columns:26px 40px 1fr;gap:12px}.v3-device-steps li>.feature-icon{display:flex}.v3-device-steps h3{font-size:15px}.v3-help-art{max-width:180px;float:right;margin:0 0 10px 12px}.v3-help>div:first-child{display:flow-root}.v3-help h2{padding-top:12px;font-size:25px}.v3-help .v3-lead{font-size:14px}.v3-help .v3-disclosure summary{font-size:14px}.v3-faq .v3-section-intro{margin-bottom:25px}.v3-faq-list .v3-disclosure summary{font-size:14px}.v3-back{font-size:12px}.v3-faq-emblem{margin-bottom:15px}.v3-faq{padding-bottom:40px}}
@media(prefers-reduced-motion:reduce){.v3-sections *{scroll-behavior:auto}}
.v3-walkthrough .v3-capture figcaption span{display:none}
/* Requested hero spacing and border-free form wrapper. */
.hero{padding-top:76px;padding-bottom:68px}.download-form{border:0;box-shadow:none;background:none;padding:0}.hero h1{max-width:1000px}
.locale-picker{position:relative;font-size:13px}.locale-picker summary{list-style:none;cursor:pointer}.locale-picker summary::-webkit-details-marker{display:none}.locale-picker summary:after{content:'⌄';font-size:12px;margin-left:8px}.locale-options{position:absolute;right:0;top:calc(100% + 9px);z-index:25;display:grid;min-width:160px;background:#222226;border:1px solid #3b3b43;border-radius:10px;padding:6px;box-shadow:0 10px 25px #0006}.locale-options a{display:block;padding:9px 12px;font-size:13px;border-radius:6px}.locale-options a:hover,.locale-options a[aria-current]{background:#303039;color:#00f3e9}.mobile-languages{padding:8px 24px;display:flex;flex-wrap:wrap;gap:9px;font-size:13px}.mobile-languages a{padding:7px 9px;border:1px solid #393940;border-radius:7px}.mobile-languages a[aria-current]{border-color:#00f3e966;color:#00f3e9}.footer-inner{flex-wrap:wrap}.footer-links{flex-wrap:wrap;gap:18px}.footer-links a:hover{color:#00f3e9}.legal-page{max-width:800px;padding-block:64px 76px;min-height:62vh}.legal-page h1{font-size:36px;margin-bottom:26px}.legal-page h2{font-size:21px;margin:28px 0 12px}.legal-page p{font-size:16px;line-height:1.8;margin-bottom:20px}.legal-page a{color:#00f3e9;text-decoration:underline}.contact-form{display:grid;gap:18px;margin-top:30px;max-width:620px}.contact-form label{display:grid;gap:8px;font-size:14px}.contact-form input,.contact-form textarea{width:100%;border:1px solid #42424a;background:#202024;border-radius:9px;padding:12px 14px;color:#fff;font:16px/1.5 Inter,system-ui;outline:none}.contact-form textarea{min-height:145px;resize:vertical}.contact-form input:focus,.contact-form textarea:focus{border-color:#00f3e9}.contact-form .button{justify-self:start;min-height:48px;font-size:16px;padding:12px 22px}.contact-status{font-size:14px!important}.contact-note{font-size:13px!important;color:#aaaab6}.legal-page .back-home{font-size:14px;display:inline-block;margin-bottom:25px}.footer-inner .footer-links{padding-left:0;border-left:0}
@media(max-width:820px){.hero{padding-top:58px;padding-bottom:52px}}
@media(max-width:640px){.hero{padding-top:48px;padding-bottom:44px}.hero h1{font-size:30px}.legal-page{padding-block:40px 50px}.legal-page h1{font-size:29px}.legal-page p{font-size:15px}.footer-inner .footer-links{gap:15px}.footer-links a,.footer-links button{font-size:12px}.locale-picker{font-size:12px}}
html[lang="vi"] body,html[lang="vi"] input,html[lang="vi"] textarea{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
@media(max-width:640px){.benefits{flex-wrap:wrap;column-gap:14px;row-gap:10px}.benefits>span{gap:7px;min-width:0}}
/* Audio conversion uses a real MP3 encoder and remains separate from video qualities. */
.mp3-option{margin-top:19px;padding:17px 18px;border:1px solid #00f3e92e;border-radius:11px;background:linear-gradient(120deg,#00f3e906,#1e1e23)}.mp3-top{display:flex;align-items:center;justify-content:space-between;gap:16px}.mp3-copy{min-width:0}.mp3-copy h4{font-size:16px;line-height:1.4;margin:0 0 5px;font-weight:650}.mp3-copy p{font-size:12px;line-height:1.5;margin:0;color:#a8a8b5}.mp3-convert,.mp3-save{display:inline-flex;justify-content:center;align-items:center;min-height:41px;border:1px solid #00f3e96b;border-radius:8px;background:#00f3e90a;color:#eafdfb;font-size:14px;font-weight:600;padding:9px 15px;line-height:1.5}.mp3-convert:hover,.mp3-save:hover{background:#00f3e91b}.mp3-convert:disabled{opacity:.5;cursor:default}.mp3-note{font-size:11px;line-height:1.6;color:#91919f;margin:11px 0 0}.mp3-status{font-size:13px;line-height:1.6;margin:11px 0 0;color:#c5c5d0}.mp3-status:empty{display:none}.mp3-status.error{color:#ffadbc}.mp3-progress{display:block;width:100%;height:6px;margin:15px 0 0;accent-color:#00f3e9}.mp3-cancel{display:inline-block;margin-top:10px;padding:4px 0;background:none;border:0;text-decoration:underline;text-underline-offset:4px;font-size:12px;color:#aaaab7}.mp3-output{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:13px}.mp3-output:empty{display:none}.mp3-save{font-size:13px}.mp3-player{max-width:100%;width:100%;height:36px;margin-top:3px}.mp3-convert{flex-shrink:0}
@media(max-width:640px){.mp3-option{padding:14px;margin-top:17px}.mp3-top{flex-wrap:wrap;gap:12px}.mp3-copy h4{font-size:15px}.mp3-copy p{font-size:11px}.mp3-convert{font-size:13px;min-height:40px;width:100%}.mp3-note{font-size:10px}.mp3-save{width:100%;font-size:13px}.mp3-status{font-size:12px}}