:root{color-scheme:light;--ink:#202625;--muted:#7c817c;--lime:#d7f578;--line:#e5e7df;--page:#f7f8f3}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--page);color:var(--ink);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
button,a,summary{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #739b30;outline-offset:5px}
.header{height:92px;max-width:1240px;padding:0 40px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;letter-spacing:2px}
.brand-logo{width:42px;height:42px;border-radius:11px;display:block;object-fit:contain;flex:0 0 auto}
.brand-sub{display:block;font-size:8px;letter-spacing:2px;margin-top:3px}
nav{display:flex;gap:36px;height:100%;align-items:center}
nav a{color:#7a7e76;font-size:13px;height:100%;display:flex;align-items:center;position:relative}
nav a.active{color:var(--ink);font-weight:650}
nav a.active:after{content:"";height:3px;width:20px;border-radius:3px;background:#8da746;position:absolute;bottom:19px;left:calc(50% - 10px)}
.header-contact{background:transparent;border:1px solid #d7dbd0;border-radius:8px;padding:11px 16px;font-size:12px;display:flex;align-items:center}
.header-contact span{margin-left:14px}
main{max-width:1240px;padding:0 40px;margin:auto}
.breadcrumb{display:flex;gap:9px;color:#92958d;font-size:11px;padding-top:26px;align-items:center}
.breadcrumb>span:not(.online){color:#5b6257}
.online{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:10px}
.online i,.art-label i{width:5px;height:5px;background:#82a64e;border-radius:100%;display:inline-block}
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:55px;align-items:center;padding:54px 0 58px}
.eyebrow{font-size:10px;font-weight:600;letter-spacing:2px;display:flex;align-items:center;gap:9px;color:#6e795e}
.eyebrow>span{width:15px;height:2px;background:#849951}
h1{font-size:52px;line-height:1.3;letter-spacing:-2px;font-weight:750;margin:20px 0}
h1>span{position:relative;z-index:0;white-space:nowrap}
h1>span:after{content:"";position:absolute;left:2px;right:0;bottom:4px;height:14px;background:var(--lime);z-index:-1}
.hero-copy>p{color:#7c8176;font-size:13px;line-height:1.95;margin:0}
.hero-tags{display:flex;gap:22px;margin-top:25px;font-size:11px;color:#626a59}
.sound-art{position:relative;border-radius:22px;overflow:hidden;box-shadow:0 18px 38px -22px #333b31}
.sound-art img{display:block;width:100%;height:auto}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
  .sound-art{transition:transform .35s ease,box-shadow .35s ease}
  .sound-art::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(110deg,transparent 25%,#ffffff30 48%,transparent 70%);transform:translateX(-100%)}
  .sound-art:hover{transform:translateY(-6px) scale(1.015);box-shadow:0 25px 45px -20px #333b314d}
  .sound-art:hover::after{animation:preview-shine .85s ease-out both}
}
@keyframes preview-shine{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
.art-label{position:absolute;top:27px;left:27px;color:#b9c6a4;font-size:9px;letter-spacing:2px;display:flex;align-items:center;gap:8px}
.art-label i{background:var(--lime);box-shadow:0 0 10px #d7f57955}
.waveform{position:absolute;inset:75px 50px 65px;display:flex;align-items:center;justify-content:center;gap:8px;transform:rotate(-8deg)}
.waveform b{display:block;height:var(--h);width:10px;border-radius:30px;background:linear-gradient(#e0ff9b,#b6d973);box-shadow:0 0 20px #d7f57815}
.waveform b:nth-child(3n){opacity:.65}
.orbit{position:absolute;border:1px solid #b2c18d15;border-radius:50%;height:260px;width:450px;transform:rotate(-30deg);top:25px;left:5px}
.orbit-two{transform:rotate(30deg);height:320px;top:-10px}
.art-bottom{position:absolute;bottom:25px;left:27px;right:27px;display:flex;justify-content:space-between;color:#8e9b7e;font:8px monospace;letter-spacing:1px}
.art-arrow{padding:0 12px;color:var(--lime)}
.art-spark{position:absolute;right:27px;top:24px;font-size:23px;color:var(--lime)}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}
.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
h2{font-size:17px;letter-spacing:-.3px;margin:0;font-weight:650}
.section-heading h2 span{font:10px monospace;color:#9ba191;margin-left:9px;vertical-align:middle}
.section-caption{color:#92968b;font-size:10px}
.download-card{background:white;border:1px solid var(--line);border-radius:15px;padding:27px 28px 0;overflow:hidden}
.product-top{display:flex;gap:15px;align-items:center}
.product-icon{width:56px;height:56px;display:grid;place-items:center;background:var(--ink);color:var(--lime);border-radius:13px;overflow:hidden;flex:0 0 auto}
.product-icon img{width:100%;height:100%;display:block;object-fit:contain}
.product-title{display:flex;align-items:center;gap:12px}
h3{font-size:14px;margin:0;font-weight:650}
.product-title h3{font-size:20px}
.badge{background:#edf5db;border:1px solid #e0ecc5;padding:4px 7px;border-radius:5px;font-size:9px;color:#6a823b;white-space:nowrap}
.product-top p{font-size:11px;color:var(--muted);margin:8px 0 0}
.product-description{font-size:12px;line-height:1.9;color:#777e72;margin:23px 0 19px}
.metadata{display:flex;gap:22px;font-size:10px;color:#92978e;flex-wrap:wrap}
.metadata b{font-weight:400;color:#5f665a;margin-left:6px}
.download-actions{display:flex;gap:12px;margin:25px 0}
.button{border:0;border-radius:8px;min-height:45px;padding:0 18px;font-weight:600;font-size:12px;display:flex;align-items:center;justify-content:center;gap:10px;transition:background .15s,transform .15s}
.button:hover{transform:translateY(-2px)}
.button:disabled{cursor:not-allowed;opacity:.55;transform:none}
.primary{background:var(--lime);color:#29321e}
.primary:hover{background:#c8e96a}
.download-actions .primary{flex:1}
.button-arrow{margin-left:auto}
.main-download-group{position:relative;display:flex;flex:1;min-width:0}
.main-download-group .main-download-button{border-radius:8px 0 0 8px;min-width:0;justify-content:flex-start}
.main-download-button #main-download-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.main-download-group .download-menu-toggle{flex:0 0 44px;border-radius:0 8px 8px 0;border-left:1px solid #26302122;padding:0;font-size:17px}
.version-menu{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:20;padding:6px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 14px 34px #25301e20}
.version-menu button{display:flex;width:100%;border:0;border-radius:6px;background:transparent;color:var(--ink);padding:10px 12px;font-size:11px;text-align:left}
.version-menu button:hover,.version-menu button:focus-visible{background:var(--soft)}
.version-menu-empty{display:block;padding:10px 12px;color:var(--muted);font-size:11px}
.secondary{background:#f6f7f2;border:1px solid #e6e8df;min-width:150px;color:#575f4e}
.secondary span{margin-left:16px}
.download-note{background:#fafbf7;margin:0 -28px;padding:13px 28px;border-top:1px solid #eef0e7;color:#929687;font-size:10px;line-height:1.7;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.note-icon{flex:0 0 auto}
.runtime-download{border:0;background:transparent;color:var(--accent);font-weight:650;padding:0;margin-left:auto;font-size:10px;white-space:nowrap}
.tools-section,.guide-section{margin-top:31px}
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.tool-card{border:1px solid var(--line);border-radius:12px;background:#fff;padding:19px 17px;position:relative}
.tool-icon{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;font-size:24px;margin-bottom:18px}
.purple{background:#f0edfc;color:#9384b9}.blue{background:#edf3fb;color:#7a99bd}.orange{background:#fff1e6;color:#bda079}
.tool-type{position:absolute;right:15px;top:29px;font-size:9px;color:#999d91}
.tool-card p{font-size:11px;color:#8a8f82;line-height:1.8;margin:11px 0 17px}
.tool-link{display:flex;justify-content:space-between;align-items:center;width:100%;border:0;border-top:1px solid #edf0e6;padding:13px 0 0;background:none;font-size:11px;color:#626d51;text-align:left}
.tool-link:hover{color:#283e05}
.steps{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:12px;padding:22px 0;background:#f2f4ec}
.steps>div{padding:0 22px;position:relative}
.steps>div+div{border-left:1px solid #dde2d2}
.step-number{font:13px monospace;color:#97a57f;display:block;margin-bottom:13px}
.steps h3{font-size:12px}
.steps p{font-size:10px;line-height:1.8;color:#8b9280;margin:9px 0 0}
.sidebar{padding-top:40px}
.advisor-card{background:#edf1e3;border:1px solid #e1e6d6;border-radius:15px;padding:25px 23px}
.small-label{color:#8b9678;font-size:8px;letter-spacing:1.5px}
.advisor-profile{display:flex;align-items:center;gap:12px;margin-top:24px}
.avatar{width:46px;height:46px;background:#dce5ca;border:3px solid #fff9;border-radius:50%;display:grid;place-items:center;font-size:19px;position:relative;color:#66754f}
.avatar>img{width:100%;height:100%;display:block;object-fit:cover;border-radius:50%}
.avatar span{position:absolute;right:-3px;bottom:-3px;background:#48563c;border:2px solid #edf1e3;border-radius:50%;color:#d7f578;width:19px;height:19px;text-align:center;font-size:11px}
.advisor-profile h2{font-size:14px}
.advisor-tag{font-size:9px;color:#8a9776;display:block;margin-top:6px}
.advisor-card>p{font-size:14px;line-height:1.8;margin:22px 0;color:#59644d}
.advisor-services{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:10px;color:#879273;border-top:1px solid #dce3ce;padding-top:20px}
.advisor-wechat{display:grid;grid-template-columns:74px minmax(0,1fr) 42px;align-items:center;gap:6px;margin-top:20px;padding:9px 8px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.advisor-wechat>span{display:flex;align-items:center;gap:5px;color:var(--accent);font-size:10px;font-weight:700;white-space:nowrap}
.advisor-wechat>span img{width:19px;height:19px;display:block;object-fit:contain;flex:0 0 auto}
.advisor-wechat strong{min-width:0;color:var(--ink);font-size:14px;font-weight:750;text-align:center;overflow-wrap:anywhere;user-select:all}
.advisor-wechat button{height:30px;border:0;border-radius:6px;background:var(--strong);color:var(--on-strong);font-size:9px;font-weight:650;padding:0 7px}
.advisor-wechat button:hover{background:var(--accent)}
.advisor-wechat button:disabled{cursor:not-allowed;opacity:.5}
.advisor-copy-status{min-height:16px;padding-top:5px;text-align:center;color:var(--accent);font-size:9px}
.advisor-hours{text-align:center;font-size:9px;color:#949d88;margin-top:2px}
.notice-card{margin-top:21px;border:1px solid var(--line);border-radius:12px;padding:21px}
.notice-heading{display:flex;align-items:center;gap:9px}
.notice-heading>span{font-size:21px;color:#91a570}
.notice-heading h2{font-size:12px}
.notice-card ul{padding-left:13px;font-size:11px;line-height:1.85;color:#8a9080;margin:12px 0 0}
.notice-card li+li{margin-top:11px}
.notice-card li::marker{color:#a0b085;font-size:8px}
.preview-note{display:flex;gap:10px;padding:22px 8px;font-size:11px;color:#949c88}
.preview-note>span{font-size:20px;line-height:1}
.preview-note strong{font-weight:500;font-size:10px}
.preview-note p{font-size:10px;line-height:1.8;margin:7px 0 0;color:#a0a597}
.faq-section{margin:47px 0 0;border-top:1px solid var(--line);padding:34px 0 40px;display:grid;grid-template-columns:1fr 1.5fr;gap:40px}
.faq-section .eyebrow{font-size:8px;letter-spacing:2px}
.faq-section h2{margin-top:12px;font-size:21px}
.faq-section>div>p{color:#9b9f93;font-size:11px;margin-top:12px}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;font-size:12px;padding:16px 0;display:flex;align-items:center;justify-content:space-between}
summary::-webkit-details-marker{display:none}
summary span{color:#8b9679;font-size:17px}
details[open] summary span{transform:rotate(45deg)}
details p{font-size:12px;color:#7d8771;line-height:1.9;margin:0 20px 16px 0}
footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:24px 0 30px;color:#979e8c;font-size:9px;gap:20px}
.footer-brand{font-size:14px;color:#717b64;font-weight:650}
.footer-brand span{font-size:10px;font-weight:400;color:#979e8c;margin-left:10px}
dialog{border:1px solid var(--line);border-radius:20px;padding:32px;max-width:420px;width:calc(100% - 40px);color:var(--ink);box-shadow:0 20px 80px #0003}
dialog::backdrop{background:#17201380;backdrop-filter:blur(5px)}
.close-dialog{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:26px;color:#78836e}
.dialog-icon{display:grid;place-items:center;background:#edf4dc;border-radius:12px;width:45px;height:45px;font-size:25px;color:#657d3f;margin-bottom:20px}
dialog p{font-size:13px;color:#808a76;line-height:1.9;margin:16px 0 24px}
dialog .button{width:100%}
@media(min-width:1400px){.hero{padding-top:65px;padding-bottom:70px}}
@media(max-width:1000px){.header,main{padding-left:25px;padding-right:25px}.hero{gap:25px}h1{font-size:44px}.workspace{grid-template-columns:minmax(0,1fr) 240px;gap:20px}.advisor-card{padding:23px 17px}.tool-card{padding:16px 12px}.tool-type{right:10px;font-size:8px}.section-caption{display:none}.metadata{gap:12px}.product-title{gap:8px}.product-title h3{font-size:17px}}
@media(max-width:760px){.header{height:76px}.brand{font-size:19px}.brand-logo{width:36px;height:36px}nav{gap:20px}nav a{font-size:11px}nav a.active:after{bottom:13px}.header-contact{display:none}.hero{gap:20px;padding:35px 0;grid-template-columns:1fr 1fr}h1{font-size:35px;letter-spacing:-1px}.hero-copy>p{font-size:11px}.hero-tags{gap:10px;font-size:9px}.eyebrow{font-size:8px;letter-spacing:1px}.waveform{inset:80px 25px 65px;gap:5px}.waveform b{width:7px}.art-bottom{font-size:7px;left:20px;right:20px}.art-arrow{padding:0 4px}.workspace{grid-template-columns:1fr}.sidebar{padding-top:0;display:grid;grid-template-columns:1fr 1fr;gap:16px}.notice-card{margin:0}.preview-note{grid-column:1/-1;padding:0 5px}.advisor-card>p{font-size:12px}.advisor-profile{margin-top:18px}.advisor-card{padding:20px}.faq-section{margin-top:30px;gap:20px}.section-caption{display:block}}
@media(max-width:520px){.header,main{padding-left:20px;padding-right:20px}.brand-sub{font-size:6px}.brand{gap:8px}nav{gap:15px}.breadcrumb{font-size:9px}.online{font-size:8px}.hero{grid-template-columns:1fr;padding-top:32px;gap:28px}h1{font-size:44px;margin:16px 0}.hero-copy>p{font-size:12px}.hero-tags{font-size:10px;gap:22px;margin-top:20px}.waveform{inset:53px 45px 47px;gap:8px}.waveform b{width:8px}.orbit{top:-35px}.hero .eyebrow{font-size:9px}.section-heading h2{font-size:15px}.section-caption{font-size:8px}.download-card{padding:22px 20px 0}.product-title{gap:7px}.product-title h3{font-size:17px}.badge{font-size:8px}.product-icon{width:47px;height:47px}.product-top{gap:11px}.product-description{font-size:11px}.desktop-break{display:none}.metadata{gap:10px;font-size:9px}.secondary{min-width:115px}.download-actions{gap:9px;flex-wrap:wrap}.main-download-group,.download-actions>.secondary{flex:1 0 100%}.download-note{margin:0 -20px;padding:12px 20px;font-size:9px}.runtime-download{margin-left:26px}.tools-grid{grid-template-columns:1fr}.tool-card{padding:18px 17px 18px 73px;min-height:127px}.tool-icon{position:absolute;top:20px;left:17px}.tool-type{top:22px;right:18px;font-size:9px}.tool-card p{margin:8px 0 12px}.tool-card p br{display:none}.tool-link{padding-top:10px}.steps>div{padding:0 13px}.steps h3{font-size:11px}.steps p{font-size:9px}.sidebar{grid-template-columns:1fr}.preview-note{grid-column:auto}.advisor-services{grid-template-columns:repeat(4,1fr);font-size:9px;gap:5px}.advisor-card>p br{display:none}.advisor-card>p{margin:18px 0}.advisor-profile{margin-top:16px}.faq-section{grid-template-columns:1fr;gap:8px;padding-bottom:25px}.faq-section h2{font-size:19px}footer{flex-wrap:wrap;gap:16px}.footer-brand{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}