@charset "UTF-8";
:root{color-scheme:light;--ink:#20221f;--muted:#62655f;--paper:#faf9f6;--line:#dedfd7;--accent:#ba410d;--orange:#f97316;--soft:#fff0df;--green:#365244}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px;-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}a{color:var(--accent);text-underline-offset:4px}button,input{font:inherit}button,summary,a,input{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button{cursor:pointer}img{display:block;max-width:100%;height:auto}svg{flex-shrink:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12;letter-spacing:-.035em}h1{font-size:clamp(3rem,6vw,5.3rem);font-weight:650;margin-bottom:26px}h2{font-size:clamp(2rem,3.5vw,3rem);font-weight:600;margin-bottom:20px}h3{font-size:1.2rem;font-weight:600;line-height:1.35}p{margin-bottom:1em}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:4px}[hidden]{display:none!important}.wrap{width:min(1160px,calc(100% - 80px));margin-inline:auto}.skip-link{position:fixed;top:-100px;left:20px;z-index:20;background:var(--ink);color:white;padding:12px 20px}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid var(--line);background:rgba(250,249,246,.96);position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-size:1.25rem;font-weight:650;letter-spacing:-.035em;white-space:nowrap}.brand img{border-radius:9px;width:36px;height:36px}.navigation{display:flex;align-items:center;gap:30px}.navigation a{font-size:.9rem;color:var(--ink);text-decoration:none;min-height:44px;display:inline-flex;align-items:center}.navigation a:hover{text-decoration:underline}.navigation .language{border-left:1px solid var(--line);padding-left:28px;color:var(--accent)}.eyebrow{font-size:.72rem;line-height:1.4;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:10px;margin-bottom:26px}.eyebrow::before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%}.hero{padding:76px 0 62px;display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:80px}.hero h1 span{color:var(--accent)}.hero-copy>p{max-width:490px;font-size:1.12rem;color:var(--muted);line-height:1.8}.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:32px 0 20px}.button{min-height:52px;padding:12px 22px;border:1px solid var(--ink);background:var(--ink);color:white;text-decoration:none;display:inline-flex;gap:16px;align-items:center;justify-content:center;border-radius:8px;font-size:.92rem;font-weight:600}.button:hover{background:#40433d}.button.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.text-link{font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex;gap:10px;align-items:center;min-height:44px}.hero-copy .compatibility{font-size:.78rem;color:var(--muted);margin:0}.player-art{border-radius:22px;background:#f1ece2;position:relative;padding:28px 34px;display:flex;flex-direction:column;align-items:center;overflow:hidden;border:1px solid #e5dfd2;min-height:408px}.art-top{width:100%;display:flex;justify-content:space-between;align-items:center;font-size:.66rem;letter-spacing:.16em;font-weight:650;color:#6a6358}.art-dots{display:flex;gap:5px}.art-dots i{width:5px;height:5px;display:block;background:#b5ad9e;border-radius:50%}.art-icon{width:190px;height:190px;border-radius:40px;margin:32px 0;box-shadow:0 18px 35px -15px #bf541d70;transform:rotate(-6deg)}.art-label{font-size:1.28rem;font-weight:550;letter-spacing:-.025em;margin-bottom:18px}.format-tags{display:flex;gap:7px;justify-content:center;flex-wrap:wrap}.format-tags span{font-size:.68rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid #d4ccbf;border-radius:4px;padding:3px 9px;color:#595349}.hero-foot{padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px}.hero-foot p{margin:0;font-size:.8rem;color:var(--muted)}.hero-foot strong{color:var(--ink);font-weight:600}.hero-foot a{color:var(--ink);font-size:.8rem}.section{padding:80px 0;border-bottom:1px solid var(--line);scroll-margin-top:18px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;margin-bottom:42px}.section-heading h2{margin:0}.section-heading p{max-width:350px;color:var(--muted);font-size:.9rem;margin:0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:38px}.feature{border-top:2px solid var(--ink);padding-top:20px}.feature .number{font-family:ui-monospace,SFMono-Regular,monospace;font-size:.72rem;color:var(--accent);display:block;margin-bottom:28px}.feature p{color:var(--muted);font-size:.94rem;margin:0}.cloud-note{background:#eeefe8;padding:22px 26px;margin-top:36px;display:grid;grid-template-columns:210px 1fr;gap:26px;border-radius:8px}.cloud-note strong{font-size:.9rem;font-weight:600}.cloud-note p{font-size:.86rem;color:#535a50;margin:0}.cloud-note a{white-space:normal}.help-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:64px}.help-intro{position:sticky;top:122px;align-self:start}.help-intro p{font-size:.9rem;color:var(--muted)}.help-intro h2{font-size:2.6rem}.topic-nav{display:flex;flex-direction:column;gap:6px;margin:28px 0}.topic-nav a{color:var(--ink);text-decoration:none;display:flex;align-items:center;min-height:44px;font-size:.86rem;gap:10px}.topic-nav a::before{content:"↗";color:var(--accent)}.topic-nav a:hover{color:var(--accent)}.help-tools{padding:20px;background:#eeefe8;border-radius:8px;margin-bottom:16px}.search-label{display:block;font-size:.74rem;font-weight:600;letter-spacing:.025em;margin-bottom:8px}.search-box{display:flex;gap:8px;align-items:center}.search-box input{min-width:0;width:100%;height:48px;border:1px solid #babfb1;border-radius:5px;background:var(--paper);color:var(--ink);padding:0 14px;font-size:16px;appearance:none;-webkit-appearance:none}.small-button{min-width:44px;min-height:44px;border:1px solid #b9bfb1;border-radius:5px;background:transparent;color:var(--ink);padding:8px 12px;font-size:.8rem}.help-actions{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:12px;flex-wrap:wrap}.help-actions button{border:0;padding:0;background:none;text-decoration:underline;min-height:36px;font-size:.77rem;color:var(--ink);text-underline-offset:3px}.result-count{font-size:.77rem;color:#535a50;margin:0}.archive-notice{font-size:.78rem;color:var(--muted);margin-bottom:22px;line-height:1.7}.faq-item,.archive-item{border-bottom:1px solid var(--line);scroll-margin-top:112px}.faq-item summary,.archive-item summary{list-style:none;cursor:pointer;position:relative;padding:23px 34px 23px 0;font-size:.95rem;font-weight:550;line-height:1.55;overflow-wrap:anywhere}.faq-item summary::-webkit-details-marker,.archive-item summary::-webkit-details-marker{display:none}.faq-item summary::after,.archive-item summary::after{content:"+";position:absolute;right:2px;top:20px;color:var(--accent);font-size:1.35rem;font-weight:400}.faq-item[open] summary::after,.archive-item[open] summary::after{content:"−"}.faq-item[open] summary{color:var(--accent)}.faq-number{font-family:ui-monospace,SFMono-Regular,monospace;color:var(--muted);font-size:.7rem;margin-right:10px;white-space:nowrap}.faq-answer,.archive-body{font-size:.92rem;color:#53574f;padding:0 20px 25px 0;overflow-wrap:anywhere;word-break:normal}.faq-answer a,.archive-body a{overflow-wrap:anywhere}.faq-answer p:last-child,.archive-body p:last-child{margin-bottom:0}.faq-answer h4,.archive-body h4{font-size:1rem;line-height:1.5;margin:22px 0 10px;color:var(--ink)}.faq-answer div:empty{display:none}.faq-answer table,.archive-body table{width:100%;border-collapse:collapse}.faq-answer li,.archive-body li{padding-bottom:6px}.faq-answer pre,.archive-body pre{white-space:pre-wrap;word-break:break-word;max-width:100%}.empty-state{padding:26px 0;color:var(--muted)}.archive-grid{display:grid;grid-template-columns:1fr 2fr;gap:64px}.archive-heading p{color:var(--muted);font-size:.88rem;max-width:290px}.archive-heading h2{font-size:2rem}.archive-item:first-child{border-top:1px solid var(--line)}.archive-body{max-height:650px;overflow:auto;overscroll-behavior:contain;padding:8px 24px 24px 0}.archive-body img{max-width:200px}.support{padding:60px;background:var(--green);border-radius:16px;color:white;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;margin-top:64px;margin-bottom:64px}.support h2{font-size:2.2rem;margin-bottom:16px}.support p{color:#dce6da;font-size:.9rem;max-width:480px;margin-bottom:0}.support a{color:white}.support-links{display:flex;flex-direction:column;align-items:flex-start;gap:16px}.support-links>a{font-size:1.05rem;overflow-wrap:anywhere}.support-links .policy-link{font-size:.85rem;color:#dce6da}.site-footer{border-top:1px solid var(--line);padding:32px 0 max(32px,env(safe-area-inset-bottom))}.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:30px}.footer-brand{font-size:.86rem;font-weight:600}.footer-note{font-size:.73rem;color:var(--muted);margin:5px 0 0}.footer-links{display:flex;gap:24px;flex-wrap:wrap;align-items:center}.footer-links a{font-size:.8rem;min-height:44px;display:inline-flex;align-items:center;color:var(--ink)}.friend-link span{color:var(--muted);margin-right:6px}.legal{max-width:800px;padding:65px 0 80px}.legal h1{font-size:clamp(2.3rem,5vw,3.5rem)}.legal h2{font-size:1.35rem;margin-top:38px;line-height:1.4;letter-spacing:-.025em}.legal p{overflow-wrap:anywhere;color:#50544d}.legal .date{color:var(--muted);font-size:.82rem}.legal .back{margin-bottom:28px;display:inline-flex;min-height:44px;align-items:center}.not-found{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-block:80px}.not-found p{max-width:540px;color:var(--muted)}
.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.resource-link{display:block;text-decoration:none;color:var(--ink);border-top:2px solid var(--ink);padding:24px 0 0}.resource-link:hover h3{color:var(--accent)}.resource-link h3{font-size:1.55rem;margin-bottom:16px}.resource-link p{font-size:.92rem;color:var(--muted);max-width:440px}.resource-link .eyebrow{margin-bottom:22px}.resource-link .text-link{color:var(--accent)}.document-heading{padding:62px 0 40px;border-bottom:1px solid var(--line)}.document-heading h1{font-size:clamp(2.5rem,5vw,4rem);max-width:850px}.document-heading>p{color:var(--muted)}.document-links{display:flex;flex-wrap:wrap;gap:12px 30px}.document-links a{font-size:.88rem;display:inline-flex;min-height:44px;align-items:center}.release-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px;padding:50px 0 70px}.release-nav{align-self:start;position:sticky;top:115px}.release-nav summary{font-size:.85rem;font-weight:600;min-height:44px;cursor:pointer}.version-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0 8px;max-height:65vh;overflow:auto;margin-top:8px}.version-list a{display:flex;align-items:center;justify-content:center;min-height:44px;font-size:.8rem;text-decoration:none;color:var(--muted)}.version-list a:hover{color:var(--accent);background:var(--soft);border-radius:5px}.release{scroll-margin-top:110px;border-top:1px solid var(--line);padding:32px 0}.release h2{font-size:1.75rem}.release-body{overflow-wrap:anywhere;color:#53574f;font-size:.94rem}.release-body h4{font-size:1rem}.release-body p:last-child{margin-bottom:0}.release-body a{overflow-wrap:anywhere}
@media(max-width:760px){.resource-grid{grid-template-columns:1fr;gap:30px}.resource-link h3{font-size:1.4rem}.document-heading{padding-top:38px}.document-heading h1{font-size:2.55rem}.release-layout{grid-template-columns:1fr;gap:28px;padding:30px 0 45px}.release-nav{position:static}.version-list{grid-template-columns:repeat(6,1fr);max-height:155px}.release h2{font-size:1.5rem}.release{scroll-margin-top:90px}}
@media(min-width:1400px){.hero{padding-block:88px}.player-art{min-height:440px}.art-icon{margin-block:42px}}
@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.hero{gap:38px}.navigation{gap:22px}.hero h1{font-size:3.8rem}.player-art{padding-inline:22px;min-height:380px}.art-icon{width:170px;height:170px}.help-layout{grid-template-columns:210px minmax(0,1fr);gap:38px}.feature-grid{gap:26px}.cloud-note{grid-template-columns:175px 1fr}.support{padding:40px}.archive-grid{gap:38px}}
@media(max-width:760px){html{scroll-padding-top:122px}.wrap{width:calc(100% - 40px)}.header-inner{min-height:76px;gap:14px}.brand{font-size:1.12rem}.brand img{width:32px;height:32px;border-radius:8px}.navigation{gap:16px}.navigation .desktop-link{display:none}.navigation .language{border-left:0;padding-left:0}.hero{grid-template-columns:1fr;padding:46px 0 35px;gap:34px}.hero h1{font-size:clamp(2.9rem,10vw,4.7rem);max-width:570px}.hero-copy>p{font-size:1rem}.hero-actions{margin-block:26px 18px;gap:18px}.player-art{min-height:0;padding:22px 28px 26px}.art-icon{width:144px;height:144px;margin:22px 0;border-radius:32px}.art-label{font-size:1.12rem}.hero-foot{align-items:flex-start;flex-direction:column;gap:8px}.section{padding:50px 0}.section-heading{display:block;margin-bottom:28px}.section-heading p{margin-top:18px;max-width:100%}.feature-grid{grid-template-columns:1fr;gap:26px}.feature{padding-top:15px}.feature .number{margin-bottom:12px}.feature p{max-width:600px}.cloud-note{display:block;padding:22px;margin-top:26px}.cloud-note p{margin-top:9px}.help-layout{display:block}.help-intro{position:static}.help-intro h2{font-size:2.2rem}.topic-nav{flex-direction:row;flex-wrap:wrap;gap:4px 22px;margin:16px 0 24px}.topic-nav a{font-size:.8rem}.help-tools{padding:16px}.faq-item summary{font-size:.93rem;padding-block:21px}.faq-answer{padding-right:0;font-size:.9rem}.archive-grid{grid-template-columns:1fr;gap:10px}.archive-heading p{max-width:100%}.archive-body{padding-right:5px;max-height:70vh}.support{grid-template-columns:1fr;margin-block:42px;gap:26px;padding:28px 24px}.support h2{font-size:1.8rem}.support-links>a{font-size:1rem}.footer-inner{display:block}.footer-links{gap:16px;margin-top:18px}.legal{padding-block:38px 55px}.legal h1{font-size:2.5rem}.faq-item,.archive-item{scroll-margin-top:90px}}
@media(max-width:360px){.wrap{width:calc(100% - 32px)}.navigation{gap:12px}.navigation a{font-size:.82rem}.hero h1{font-size:2.85rem}.hero-actions{gap:10px}.button{padding-inline:18px}.footer-links{gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.site-header,.help-tools,.topic-nav,.hero-actions,.player-art,.site-footer,.skip-link{display:none!important}.wrap{width:100%}.hero,.help-layout,.archive-grid{display:block}.section{padding:24px 0}.help-intro{position:static}details>*,details:not([open])>*{display:block!important}.archive-body{max-height:none;overflow:visible}.support{background:white;color:black;border:1px solid #ccc;margin-block:20px;padding:20px}.support p,.support a{color:black}a{color:inherit}body{font-size:11pt;background:white}}

/* Archived references are text, never disabled-looking interactive links. */
.unavailable-reference{color:var(--muted);overflow-wrap:anywhere;word-break:normal}.reference-url{color:inherit}.reference-note{font-size:.86em}