:root{color-scheme:dark;--bg:#09090d;--panel:#14121b;--line:#302d3b;--text:#f5f3fa;--muted:#aaa5b5;--accent:#c7a8ff;--gold:var(--accent);--green:var(--accent)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Noto Sans SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit;color:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}p,h1,h2,h3{margin:0}h1,h2,h3{line-height:1.25;font-weight:600}img{max-width:100%;height:auto}[hidden]{display:none!important}::selection{background:#765299;color:#fff}:focus-visible{outline:2px solid #d6bdff;outline-offset:5px}.wrap{max-width:1320px;margin:0 auto;padding:0 56px}a,button{transition:background .2s,color .2s,border-color .2s}
.header{position:sticky;top:0;z-index:30;background:rgba(9,9,13,.96);border-bottom:1px solid #24212c;backdrop-filter:blur(16px)}.nav{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;align-items:center;gap:12px;font-size:25px;font-weight:600;letter-spacing:-.04em;line-height:1.1}.brand small{display:block;font-size:11px;letter-spacing:.2em;font-weight:400;margin-top:8px;color:#a9a2b5}.brand-mark{width:44px;height:44px;object-fit:cover;border-radius:50%;background:#08032b}.nav nav{display:flex;gap:32px;font-size:14px;color:#d4cfdc}.nav nav a{padding:10px 0;border-bottom:1px solid transparent}.nav nav a:hover{color:#fff;border-color:var(--accent)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 25px;border:1px solid #51445f;background:transparent;font-weight:500;font-size:15px;line-height:1.5;text-align:center}.button:hover{background:#20172c;border-color:#c7a8ff}.button.primary{background:#bb91f4;border-color:#bb91f4;color:#170d25}.button.primary:hover{background:#d2b4fb;border-color:#d2b4fb}.button.small{font-size:14px;min-height:42px;padding:10px 20px}.text-link,.text-button{font-size:14px;font-weight:500;color:var(--accent);background:none;border:0;padding:6px 0;border-bottom:1px solid #76608e;display:inline-block;line-height:1.6}.text-link:hover,.text-button:hover{color:#e6d5ff;border-color:#e6d5ff}.eyebrow{color:#afa0c0;font-size:12px;letter-spacing:.15em;line-height:1.5;font-weight:400}
.hero{overflow:hidden;background:#0c0b12}.hero-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center;min-height:640px;padding-top:65px;padding-bottom:65px}.hero h1{font-size:clamp(50px,5.7vw,78px);letter-spacing:-.055em;line-height:1.2;margin:26px 0}.hero h1 span{color:#c7a8ff}.hero-copy{font-size:18px;line-height:1.9;color:#bdb5c9}.hero-links{display:flex;gap:30px;align-items:center;flex-wrap:wrap;margin-top:36px}.hero-brand{background:#100923;padding:26px 30px;min-width:0}.hero-brand img{display:block;width:100%;height:auto;max-width:350px;aspect-ratio:1;object-fit:cover;border-radius:50%;margin:28px auto}.hero-brand-top{font-size:11px;color:#baaccb;letter-spacing:.14em}.hero-brand-bottom{display:flex;gap:15px;justify-content:space-between;border-top:1px solid #392747;padding-top:20px;color:#c7a8ff;font-size:11px;letter-spacing:.15em}.hero-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #30283c}.hero-index>a{display:flex;align-items:center;gap:20px;padding:28px;border-right:1px solid #30283c}.hero-index>a:first-child{padding-left:0}.hero-index>a:last-child{border-right:0}.hero-index>a:hover strong{color:#d7baff}.index-number{color:#a278cb;font-size:13px;align-self:flex-start;margin-top:4px}.hero-index strong{font-size:21px;font-weight:500}.hero-index p{font-size:14px;color:#a49baa;margin-top:5px}.index-label{display:none}.scope-strip{border-top:1px solid #24212d;border-bottom:1px solid #24212d}.scope-strip>.wrap{display:flex;justify-content:space-between;gap:25px;flex-wrap:wrap;padding-top:22px;padding-bottom:22px;color:#8e859c;font-size:12px;letter-spacing:.18em}
.section{padding-top:100px;padding-bottom:100px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;margin-bottom:42px}.section-heading h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.045em;margin-top:16px}.section-heading>p{font-size:15px;line-height:1.8;color:var(--muted);flex-shrink:0}.section-heading>.text-button{flex-shrink:0}.directory-toolbar{display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.filters{display:flex;gap:5px;flex-wrap:wrap}.filters button{border:0;background:transparent;color:#a9a0b6;padding:8px 12px;font-size:14px;line-height:1.5;min-height:38px}.filters button.active{background:#c7a8ff;color:#190e26}.filters button:hover:not(.active){color:#fff;background:#21192c}.search{display:flex;gap:12px;align-items:center;border-bottom:1px solid #64576f;flex:1;min-width:240px;max-width:310px;color:var(--muted);font-size:14px}.search input{border:0;background:none;outline:none;width:100%;min-width:0;padding:10px 0;font-size:14px}.search:focus-within{border-color:var(--accent)}.directory-status{display:flex;justify-content:space-between;gap:20px;margin:24px 0 6px;color:#998fa6;font-size:12px}.directory-status p{font-size:12px}.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:32px}.channel-card{display:flex;flex-direction:column;min-width:0;padding:30px 0;border-bottom:1px solid var(--line)}.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.channel-monogram{display:grid;place-items:center;width:32px;height:32px;background:#241b30;color:#d5b4ff;font-size:14px}.category-label{font-size:12px;color:#b69bce;letter-spacing:.07em}.channel-card h3{font-size:23px;letter-spacing:-.025em;margin:18px 0 12px;overflow-wrap:anywhere}.channel-card>p{font-size:15px;color:var(--muted);flex:1;min-height:50px}.card-bottom{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:26px}.card-bottom span{font-size:12px;color:#95889f}.card-bottom .text-button{font-size:14px;border-bottom:0}.show-more{display:flex;margin:36px auto 0;min-width:220px}.directory-note{font-size:12px;color:#958b9f;margin-top:26px}.community-band{display:grid;grid-template-columns:170px 1fr auto;gap:36px;padding-top:44px;padding-bottom:44px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.community-band h2{font-size:27px;letter-spacing:-.04em;margin-bottom:16px}.community-band p:not(.eyebrow){font-size:16px;color:var(--muted);max-width:650px;line-height:1.85}.community-band .text-link{align-self:start;white-space:nowrap}
.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}.knowledge-card{padding:28px 0 12px;border-top:1px solid #655173;display:flex;flex-direction:column}.knowledge-card .eyebrow{color:#b99ad5}.knowledge-card h3{font-size:24px;letter-spacing:-.025em;margin:20px 0 14px}.knowledge-card>p:not(.eyebrow){font-size:16px;color:var(--muted);flex:1;line-height:1.8}.knowledge-card button{align-self:flex-start;margin-top:26px}.courses-section{background:#cbb5ea;color:#1b102b}.courses-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;padding-top:90px;padding-bottom:90px;align-items:center}.courses-section .eyebrow{color:#554067}.courses-layout h2{font-size:44px;line-height:1.3;letter-spacing:-.05em;margin:20px 0}.courses-layout h2 span{color:#4f2c73}.courses-layout>div>p:not(.eyebrow){font-size:17px;color:#4c3a5d;line-height:1.85;max-width:490px;margin:24px 0 32px}.courses-section .button.primary{background:#20112f;color:#f5ebff;border-color:#20112f}.courses-section .button.primary:hover{background:#38204d}.courses-layout small{display:block;font-size:12px;color:#5a456b;margin-top:18px}.learning-path{border-top:1px solid #9176ac;border-bottom:1px solid #9176ac;padding:22px 0}.path-label{font-size:12px;letter-spacing:.15em;color:#654777}.learning-path a{display:flex;gap:25px;padding:28px 0;align-items:center;border-bottom:1px solid #a188b8}.learning-path a:last-child{border-bottom:0;padding-bottom:8px}.learning-path b{font-size:29px;font-weight:400;color:#725087}.learning-path strong{font-size:22px;font-weight:500}.learning-path p{font-size:15px;color:#5b426e;margin-top:5px}.learning-path a:hover strong{color:#724598}
.pricing-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.pricing-card{display:flex;flex-direction:column;border:1px solid var(--line);padding:30px 24px;background:#131018;min-width:0}.pricing-card.recommended{border-color:#a47dcd;background:#1b1326}.plan-label{font-size:12px;color:#b19ac9;min-height:24px}.pricing-card h3{font-size:20px;margin:12px 0 24px;font-weight:500}.price{font-size:48px;font-weight:400;letter-spacing:-.06em;line-height:1.2;font-variant-numeric:tabular-nums;white-space:nowrap}.price small{font-size:14px;letter-spacing:0;color:#a89ab7;margin-left:6px}.pricing-card ul{list-style:none;padding:0;flex:1;margin:28px 0 30px;font-size:14px;color:#b3a7c0}.pricing-card li{padding:11px 0;border-bottom:1px solid #332739}.pricing-card .button{padding:11px 12px;font-size:14px}.pricing-note{color:#9a8da6;font-size:12px;line-height:1.9;margin-top:24px;max-width:1000px}.contact-section{padding-top:70px;padding-bottom:58px;border-top:1px solid var(--line)}.contact-section h2{font-size:40px;letter-spacing:-.04em;margin:15px 0}.contact-section>div>p:not(.eyebrow){font-size:16px;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:40px;gap:32px}.contact-card{background:transparent;border:0;border-top:1px solid #624c77;padding:26px 0;min-width:0;text-align:left;font:inherit}.contact-card:hover{border-color:#ddc7fa}.contact-card>span{font-size:12px;color:#aca0b8}.contact-card strong{display:block;font-weight:400;font-size:29px;letter-spacing:-.03em;margin-top:13px}.contact-card p{font-size:15px;color:#c7a8ff;margin-top:10px;overflow-wrap:anywhere}.contact-card p small{font-size:12px;color:#a598b2;margin-left:10px}.feedback{min-height:26px;color:#c7a8ff;font-size:14px}.footer{padding-top:35px;padding-bottom:40px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:36px}.footer .brand{font-size:21px;flex-shrink:0}.footer .brand-mark{width:36px;height:36px}.footer>p{font-size:12px;color:#9e92ac;max-width:550px}.footer>span{font-size:12px;color:#9e92ac;white-space:nowrap}
.skip{position:fixed;top:-100px;left:16px;padding:12px 20px;background:var(--accent);color:#190e26;z-index:100}.skip:focus{top:12px}dialog{background:#17111e;color:var(--text);border:1px solid #6c4f83;width:calc(100% - 36px);max-width:760px;max-height:86dvh;padding:36px;overflow:auto}dialog::backdrop{background:rgba(0,0,0,.78);backdrop-filter:blur(4px)}.reader-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}.close-button{background:transparent;border:1px solid #55425f;padding:8px 13px;font-size:14px}.close-button:hover{border-color:#d0adeb}#reader-body h2{font-size:30px;margin-bottom:22px}#reader-body h3{font-size:21px;margin:28px 0 12px}#reader-body p{font-size:16px;color:#c1b7cc;line-height:1.9;margin:15px 0}#reader-body ul,#reader-body ol{padding-left:25px;color:#c1b7cc}#reader-body li{margin:12px 0}#reader-body a{color:var(--accent);text-decoration:underline}#reader-body .button{text-decoration:none;margin-top:22px}#reader-body .primary{color:#190e26}.formula{background:#24182e;border-left:2px solid #c7a8ff;padding:20px;font-size:18px;margin:24px 0}.reader-source{border-top:1px solid var(--line);padding-top:22px;margin-top:30px!important;font-size:12px!important}.price-image{width:100%;height:auto;display:block}.empty-result{grid-column:1/-1;padding:60px 20px;border-bottom:1px solid var(--line);text-align:center;color:var(--muted)}.detail-tags{display:flex;flex-wrap:wrap;gap:10px}.detail-tags span{border:1px solid #685073;color:#cfb3e8;padding:6px 12px;font-size:14px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--accent);color:#190e26;padding:12px 22px;font-size:14px;z-index:90}
@media(min-width:1500px){.wrap{max-width:1440px}.hero-layout{gap:120px;min-height:690px}.hero-brand img{max-width:390px}}
@media(max-width:1050px){.wrap{padding-left:32px;padding-right:32px}.nav{gap:22px}.nav nav{gap:22px}.hero-layout{gap:40px;min-height:580px}.hero h1{font-size:58px}.hero-brand{padding:24px}.hero-brand-top{letter-spacing:.04em}.hero-index>a{padding:28px 20px;gap:14px}.hero-index strong{font-size:20px}.hero-index p{font-size:13px}.directory-status{display:block}.directory-status p{margin-top:5px}.channel-grid{column-gap:24px}.channel-card h3{font-size:21px}.card-bottom{gap:8px}.community-band{grid-template-columns:130px 1fr}.community-band .text-link{grid-column:2;justify-self:start}.courses-layout{gap:50px}.courses-layout h2{font-size:37px}.pricing-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer{flex-wrap:wrap}}
@media(max-width:760px){html{scroll-padding-top:140px}.wrap{padding-left:22px;padding-right:22px}.nav{min-height:113px;flex-wrap:wrap;gap:15px;padding-top:17px;padding-bottom:12px}.brand{font-size:22px}.brand-mark{width:36px;height:36px}.brand small{font-size:10px;margin-top:6px}.nav>.button{font-size:13px;min-height:38px;padding:8px 14px}.nav nav{order:3;flex-basis:100%;justify-content:space-between;gap:10px;font-size:14px}.nav nav a{padding:3px 0}.hero-layout{grid-template-columns:1fr;gap:38px;min-height:0;padding-top:50px;padding-bottom:36px}.hero h1{font-size:52px;margin:22px 0}.hero-copy{font-size:17px}.hero-links{gap:24px;margin-top:28px}.hero-brand{width:100%;max-width:440px;justify-self:center;padding:22px}.hero-brand img{max-width:230px;margin:22px auto}.hero-brand-top{font-size:11px;letter-spacing:.08em}.hero-brand-bottom{font-size:11px}.hero-index{grid-template-columns:1fr}.hero-index>a,.hero-index>a:first-child{padding:22px 0;border-right:0;border-bottom:1px solid #30283c}.hero-index>a:last-child{border-bottom:0}.hero-index strong{font-size:21px}.hero-index p{font-size:14px}.index-label{display:block;font-size:10px;letter-spacing:.08em;color:#9178a6;margin-left:auto}.scope-strip>.wrap{justify-content:flex-start;gap:18px 25px;font-size:11px;padding-top:18px;padding-bottom:18px}.section{padding-top:64px;padding-bottom:64px}.section-heading{display:block;margin-bottom:28px}.section-heading h2{font-size:29px;margin-top:13px}.section-heading>p,.section-heading>.text-button{margin-top:18px}.section-heading>p br{display:none}.directory-toolbar{gap:18px}.filters{gap:4px}.filters button{padding:8px 10px}.search{flex-basis:100%;max-width:none}.directory-status{margin-top:22px}.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}.channel-card{padding:24px 0}.channel-card h3{font-size:21px}.channel-card>p{font-size:15px;min-height:72px}.category-label{font-size:11px}.card-bottom{display:block;margin-top:18px}.card-bottom .text-button{display:block;margin-top:8px;text-align:left}.show-more{margin-top:28px}.community-band{grid-template-columns:1fr;gap:20px;padding-top:35px;padding-bottom:35px}.community-band h2{font-size:26px}.community-band .text-link{grid-column:auto}.knowledge-grid{grid-template-columns:1fr;gap:16px}.knowledge-card{padding:26px 0 20px}.knowledge-card h3{font-size:24px;margin:16px 0 12px}.knowledge-card button{margin-top:20px}.courses-layout{grid-template-columns:1fr;gap:40px;padding-top:58px;padding-bottom:58px}.courses-layout h2{font-size:33px}.courses-layout>div>p:not(.eyebrow){font-size:16px;margin:23px 0 28px}.learning-path a{padding:24px 0}.learning-path strong{font-size:21px}.pricing-grid{gap:12px}.pricing-card{padding:24px 16px}.pricing-card h3{font-size:19px}.price{font-size:39px}.price small{font-size:12px}.pricing-card ul{margin:24px 0}.contact-section{padding-top:50px;padding-bottom:40px}.contact-section h2{font-size:31px}.contact-grid{grid-template-columns:1fr;gap:4px;margin-top:28px}.contact-card{padding:24px 0}.contact-card strong{font-size:28px}.footer{display:block;padding-top:30px;padding-bottom:30px}.footer>p{margin:24px 0 16px}.footer .brand{font-size:22px}dialog{padding:24px}#reader-body h2{font-size:26px}}
@media(max-width:400px){.hero h1{font-size:45px}.hero-links{gap:20px}.hero-brand-top{font-size:10px}.channel-grid{grid-template-columns:1fr}.channel-card>p{min-height:0}.card-bottom{display:flex}.card-bottom .text-button{margin-top:0}.pricing-grid{grid-template-columns:1fr}.price{font-size:46px}.index-label{display:none}}
.channel-card>p,.section-heading>p,.learning-path p{font-size:16px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}