:root{--ink:#16231e;--muted:#748079;--green:#17755b;--pale:#e3f1ea;--line:#e4eae7}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei",system-ui,sans-serif;background:#f8faf9}.top{height:76px;display:flex;align-items:center;gap:42px;padding:0 max(24px,calc((100% - 1180px)/2));background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800}.logo i{font-style:normal;width:38px;height:38px;display:grid;place-items:center;color:#fff;background:var(--green);border-radius:12px}.logo small{display:block;color:var(--muted);font-size:10px;font-weight:400}.top nav{display:flex;gap:4px}.top nav a{display:inline-block;text-decoration:none;background:transparent;padding:11px 15px;color:var(--muted);border-radius:9px}.top nav a.active{background:var(--pale);color:var(--green)}.orders{margin-left:auto;color:var(--green);text-decoration:none;font-size:13px;border:1px solid #bcd8cd;padding:9px 14px;border-radius:9px}.hero{padding:78px 24px 68px;text-align:center;background:radial-gradient(circle at 72% 18%,#d5ece2,transparent 30%),linear-gradient(150deg,#f9fbfa,#eef6f2)}.eyebrow,#channelTag{font-size:11px;letter-spacing:2px;color:var(--green)}.hero h1{font-size:44px;letter-spacing:-2px;margin:14px 0}.hero p{color:var(--muted)}.search{display:flex;max-width:600px;margin:30px auto 0;background:#fff;padding:7px;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 30px rgba(20,70,52,.07)}.search input{flex:1;border:0;outline:0;padding:10px 12px;font:inherit}.search button,.item button{border:0;border-radius:9px;background:var(--green);color:#fff;padding:10px 20px;cursor:pointer}.library{max-width:1180px;margin:0 auto;padding:50px 24px 100px}.library-head{display:flex;justify-content:space-between;align-items:end}.library-head h2{font-size:27px;margin:6px 0}.library-head p{color:var(--muted);font-size:13px}.categories{display:flex;gap:8px;overflow:auto;margin:24px 0}.categories button{white-space:nowrap;border:1px solid var(--line);background:#fff;padding:8px 13px;border-radius:99px;cursor:pointer}.categories button.active{border-color:var(--green);background:var(--green);color:#fff}.list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.item{display:flex;align-items:center;gap:14px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:14px}.play{width:42px;height:42px!important;padding:0!important;border-radius:50%!important;background:var(--pale)!important;color:var(--green)!important;font-size:17px}.item-info{min-width:0;flex:1}.item-info b,.item-info small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item-info small{color:var(--muted);margin-top:6px}.buy{background:#fff!important;color:var(--green)!important;border:1px solid #bad8cc!important}.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:70px}.player{position:fixed;z-index:8;bottom:20px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 30px));background:#142b23;color:#fff;display:grid;grid-template-columns:1fr minmax(260px,420px) 30px;gap:16px;align-items:center;padding:14px 18px;border-radius:16px;box-shadow:0 20px 50px #173b2e55}.player.hidden{display:none}.player span{display:block;color:#9db9ae;font-size:11px;margin-top:4px}.player audio{width:100%;height:36px}.player button{border:0;background:transparent;color:#fff;font-size:24px;cursor:pointer}footer{padding:30px max(24px,calc((100% - 1180px)/2));background:#14251f;color:#fff;display:flex;justify-content:space-between}footer span{color:#819b91;font-size:12px}@media(max-width:700px){.top{gap:10px;padding:0 14px}.logo span,.orders{display:none}.top nav{flex:1}.top nav a{flex:1;text-align:center;font-size:12px;padding:10px 6px}.hero{padding:52px 20px}.hero h1{font-size:32px}.list{grid-template-columns:1fr}.player{grid-template-columns:1fr 30px}.player audio{grid-column:1/-1;grid-row:2}.library{padding-left:15px;padding-right:15px}}

.hidden-categories{display:none!important}.accordion-list{display:grid;gap:12px}.accordion{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;transition:border-color .2s,box-shadow .2s}.accordion.open{border-color:#b9d7cb;box-shadow:0 10px 28px rgba(22,72,53,.07)}.accordion-head{width:100%;border:0;background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:space-between;padding:19px 22px;text-align:left;cursor:pointer}.accordion-head span b,.accordion-head span small{display:block}.accordion-head span b{font-size:16px}.accordion-head span small{font-size:12px;color:var(--muted);margin-top:5px}.accordion-head i{font-style:normal;font-size:24px;color:var(--green);transition:transform .2s}.accordion.open .accordion-head i{transform:rotate(180deg)}.accordion-body{display:none;border-top:1px solid var(--line);padding:12px;background:#f9fbfa}.accordion.open .accordion-body{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.accordion-body .item{box-shadow:none}.accordion-empty{text-align:center;color:var(--muted);padding:28px;grid-column:1/-1}@media(max-width:700px){.accordion-head{padding:16px}.accordion.open .accordion-body{grid-template-columns:1fr;padding:9px}}
.sub-accordion{grid-column:1/-1;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;margin-bottom:2px}.sub-accordion-head{width:100%;border:0;background:#f0f5f2;color:var(--ink);display:flex;align-items:center;justify-content:space-between;padding:13px 16px;text-align:left;cursor:pointer}.sub-accordion-head span b{font-size:14px}.sub-accordion-head span small{font-size:11px;color:var(--muted);margin-left:8px}.sub-accordion-head i{font-style:normal;font-size:18px;color:var(--green);transition:transform .2s}.sub-accordion.open .sub-accordion-head i{transform:rotate(180deg)}.sub-accordion-body{display:none;padding:8px;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.sub-accordion.open .sub-accordion-body{display:grid}.accordion-body>.sub-accordion:last-child{margin-bottom:0}@media(max-width:700px){.sub-accordion.open .sub-accordion-body{grid-template-columns:1fr}}

.dialog-backdrop{position:fixed;inset:0;z-index:50;background:rgba(10,28,22,.56);display:none;align-items:center;justify-content:center;padding:20px}.dialog-backdrop.show{display:flex}.dialog-card{position:relative;width:min(520px,100%);max-height:min(720px,88vh);overflow:auto;background:#fff;border-radius:20px;padding:26px;box-shadow:0 28px 80px #071d1666}.dialog-card h3{margin:0 36px 20px 0;font-size:21px}.dialog-close{position:absolute;right:16px;top:14px;border:0;background:transparent;font-size:27px;color:var(--muted);cursor:pointer}.buy-summary{padding:18px;border:1px solid var(--line);border-radius:14px;background:#f8fbf9}.buy-summary b,.buy-summary span,.buy-summary strong{display:block}.buy-summary span{color:var(--muted);font-size:13px;margin:7px 0 16px}.buy-summary strong{font-size:27px;color:var(--green)}.dialog-tip{color:var(--muted);font-size:13px;line-height:1.7}.dialog-primary{width:100%;border:0;border-radius:10px;background:var(--green);color:#fff;padding:12px 16px;cursor:pointer}.dialog-primary:disabled{opacity:.6}.dialog-error{padding:10px 12px;border-radius:9px;background:#fff0f0;color:#a93434;font-size:13px}.success-message,.dialog-loading,.dialog-empty{text-align:center;color:var(--muted);padding:24px}.purchased-list{display:grid;gap:9px}.purchased-row{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:12px}.purchased-row b,.purchased-row small{display:block}.purchased-row small{color:var(--muted);margin-top:5px}.purchased-row button{border:1px solid #bad8cc;background:#fff;color:var(--green);border-radius:8px;padding:7px 10px;cursor:pointer}.orders{font-family:inherit}.buy{cursor:pointer;text-decoration:none}@media(max-width:600px){.dialog-card{padding:21px 16px;border-radius:16px}.purchased-row{grid-template-columns:1fr auto}.purchased-row button:last-child{grid-column:2}.buy-summary strong{font-size:24px}}