:root{--paper:#f5f1e7;--paper-deep:#eae4d5;--surface:#fffdf7;--ink:#15352d;--ink-deep:#0b251f;--ink-soft:#47675d;--muted:#71847c;--line:#cfd5c9;--line-strong:#9eada3;--acid:#c9f269;--acid-soft:#e6f9b9;--sage:#7fc7b6;--copper:#d9a54a;--danger:#a33f2d;--success:#31735b;--shadow:0 22px 70px rgba(21,53,45,0.11);--shadow-small:0 12px 28px rgba(21,53,45,0.09);--radius:14px;--radius-small:8px;--container:1240px;--display-font:"Noto Serif SC Variable","Source Han Serif SC","Songti SC",serif;--body-font:"Noto Sans SC Variable","Source Han Sans SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 8% 3%,rgba(201,242,105,.17),transparent 24rem),radial-gradient(circle at 92% 22%,rgba(127,199,182,.14),transparent 30rem),var(--paper);font-family:var(--body-font);font-size:15px;line-height:1.7;text-rendering:optimizeLegibility}body:before{position:fixed;inset:0;z-index:100;pointer-events:none;content:"";opacity:.22;background-image:repeating-linear-gradient(0deg,rgba(21,53,45,.025),rgba(21,53,45,.025) 1px,transparent 0,transparent 4px);mix-blend-mode:multiply}::selection{color:var(--ink-deep);background:var(--acid)}a{color:inherit;text-decoration:none}button,input,select,textarea{color:inherit;font:inherit}button,select{cursor:pointer}:focus-visible{outline:3px solid var(--acid);outline-offset:3px}.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}.pageShell{min-height:70vh}.eyebrow{display:inline-flex;align-items:center;gap:9px;margin:0 0 12px;color:var(--ink-soft);font-size:11px;font-weight:760;letter-spacing:.17em;line-height:1.2;text-transform:uppercase}.eyebrow:before{width:21px;height:2px;content:"";background:var(--acid)}.displayTitle{font-size:clamp(42px,6.6vw,90px);font-weight:740;letter-spacing:-.055em;line-height:1.04}.displayTitle,.sectionTitle{margin:0;font-family:var(--display-font)}.sectionTitle{font-size:clamp(28px,4vw,48px);font-weight:680;letter-spacing:-.035em;line-height:1.15}.sectionLead{max-width:650px;margin:12px 0 0;color:var(--ink-soft);font-size:16px}.sectionHeader{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:32px}.sectionLink{display:inline-flex;align-items:center;flex:0 0 auto;gap:8px;border-bottom:1px solid var(--ink);font-size:13px;font-weight:720;transition:gap .18s ease,border-color .18s ease}.sectionLink:hover{gap:12px;border-color:var(--acid)}.button,.buttonGhost,.buttonSecondary{display:inline-flex;min-height:46px;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:999px;padding:0 20px;font-size:13px;font-weight:760;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.button{color:var(--ink-deep);background:var(--acid);box-shadow:0 9px 25px rgba(201,242,105,.2)}.buttonSecondary{color:var(--paper);background:var(--ink)}.buttonGhost{border-color:var(--line-strong);background:transparent}.button:hover,.buttonGhost:hover,.buttonSecondary:hover{transform:translateY(-2px);box-shadow:var(--shadow-small)}.pill{display:inline-flex;min-height:28px;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:3px 10px;color:var(--ink-soft);background:rgba(255,253,247,.68);font-size:11px;font-weight:680}.pillMember{border-color:rgba(201,242,105,.55);color:var(--ink-deep);background:var(--acid-soft)}.siteHeader{position:sticky;z-index:50;top:0;border-bottom:1px solid rgba(158,173,163,.55);background:rgba(245,241,231,.88);backdrop-filter:blur(18px) saturate(140%)}.headerInner{display:flex;min-height:76px;align-items:center;gap:34px}.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}.logoMark{position:relative;display:grid;width:34px;height:34px;place-items:center;overflow:hidden;border-radius:50% 50% 50% 14%;color:var(--acid);background:var(--ink);transform:rotate(-8deg)}.logoMark:after,.logoMark:before{position:absolute;content:"";background:currentColor}.logoMark:before{width:2px;height:22px;transform:rotate(30deg)}.logoMark:after{width:13px;height:2px;transform:translate(3px,-1px) rotate(-16deg)}.logoWord{font-family:var(--display-font);font-size:21px;font-weight:800;letter-spacing:.12em;line-height:1}.navLinks{display:flex;align-items:center;gap:6px}.navLink{position:relative;border-radius:999px;padding:8px 12px;color:var(--ink-soft);font-size:13px;font-weight:650}.navLink:after{position:absolute;right:12px;bottom:3px;left:12px;height:2px;content:"";background:var(--acid);transform:scaleX(0);transition:transform .18s ease}.navLink:hover,.navLinkActive{color:var(--ink)}.navLink:hover:after,.navLinkActive:after{transform:scaleX(1)}.headerActions{display:flex;align-items:center;gap:10px;margin-left:auto}.headerSearch{display:grid;width:38px;height:38px;place-items:center;border:1px solid var(--line);border-radius:50%;background:transparent}.mobileMenuButton{display:none;width:42px;height:42px;place-items:center;border:1px solid var(--line);border-radius:50%;background:transparent}.mobilePanel{display:none}.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}.heroInner{display:grid;min-height:660px;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);align-items:center;gap:52px;padding-block:80px 74px}.heroCopy{position:relative;z-index:2}.heroTitleAccent{position:relative;white-space:nowrap}.heroTitleAccent:after{position:absolute;z-index:-1;right:-5px;bottom:7px;left:1px;height:15px;content:"";background:var(--acid);transform:rotate(-1.2deg)}.heroLead{max-width:710px;margin:28px 0 0;color:var(--ink-soft);font-size:clamp(16px,2vw,20px)}.searchForm{display:flex;width:min(100%,720px);align-items:center;gap:12px;margin-top:36px;border:1px solid var(--line-strong);border-radius:12px;padding:8px 9px 8px 17px;background:var(--surface);box-shadow:var(--shadow);transition:border-color .18s ease,transform .18s ease}.searchForm:focus-within{border-color:var(--ink);transform:translateY(-2px)}.searchInput{min-width:0;flex:1;border:0;outline:0;background:transparent;font-size:15px}.searchInput::placeholder{color:#819088}.searchButton{display:inline-flex;min-height:44px;align-items:center;gap:8px;border:0;border-radius:8px;padding:0 18px;color:var(--ink-deep);background:var(--acid);font-size:13px;font-weight:780}.trendingSearches{display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:16px;color:var(--ink-soft);font-size:12px}.trendingSearches a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--acid);text-decoration-thickness:3px}.heroVisual{min-height:430px;place-items:center}.heroVisual,.waferOrbit{position:relative;display:grid}.waferOrbit{width:min(34vw,410px);min-width:330px;aspect-ratio:1;place-items:center;border:1px solid rgba(21,53,45,.27);border-radius:50%;background:linear-gradient(90deg,transparent 49.7%,rgba(21,53,45,.13) 50%,transparent 50.3%),linear-gradient(transparent 49.7%,rgba(21,53,45,.13) 50%,transparent 50.3%),radial-gradient(circle,rgba(201,242,105,.3),rgba(127,199,182,.08) 48%,transparent 49%);animation:waferEnter .9s cubic-bezier(.2,.8,.2,1) both}.waferOrbit:after,.waferOrbit:before{position:absolute;border:1px solid rgba(21,53,45,.22);border-radius:50%;content:""}.waferOrbit:before{inset:13%}.waferOrbit:after{inset:29%;background:var(--ink);box-shadow:0 0 0 15px rgba(201,242,105,.13)}.waferCore{position:relative;z-index:3;max-width:120px;color:var(--paper);text-align:center}.waferCore strong{display:block;color:var(--acid);font-family:var(--display-font);font-size:38px;line-height:1}.waferCore span{display:block;margin-top:8px;color:#dce8df;font-size:10px;letter-spacing:.16em}.orbitLabel{position:absolute;z-index:4;display:flex;align-items:center;gap:7px;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(255,253,247,.9);box-shadow:var(--shadow-small);font-size:10px;font-weight:720;backdrop-filter:blur(8px)}.orbitLabel:nth-of-type(2){top:12%;right:-3%}.orbitLabel:nth-of-type(3){bottom:18%;left:-8%}.orbitLabel:nth-of-type(4){right:-8%;bottom:6%}.heroMetrics{display:grid;width:min(100%,720px);grid-template-columns:repeat(3,1fr);margin-top:38px;border-top:1px solid var(--line)}.heroMetric{padding:18px 18px 0 0}.heroMetric+.heroMetric{border-left:1px solid var(--line);padding-left:22px}.heroMetric strong{display:block;font-family:var(--display-font);font-size:24px;line-height:1.1}.heroMetric span{color:var(--muted);font-size:11px}.section{padding-block:92px}.sectionCompact{padding-block:64px}.sectionDark{color:var(--paper);background:var(--ink-deep)}.sectionDark .eyebrow,.sectionDark .sectionLead{color:#abc0b7}.categoryGrid{display:grid;grid-template-columns:repeat(12,1fr);border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong)}.categoryCard{position:relative;grid-column:span 4;min-height:248px;overflow:hidden;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);padding:24px;background:rgba(255,253,247,.42);transition:color .24s ease,background .24s ease}.categoryCard:nth-child(2),.categoryCard:nth-child(5){grid-column:span 5}.categoryCard:nth-child(3),.categoryCard:nth-child(4){grid-column:span 3}.categoryCard:after{position:absolute;right:-65px;bottom:-65px;width:170px;height:170px;border:1px solid;border-radius:50%;content:"";opacity:.16;transition:transform .42s cubic-bezier(.2,.8,.2,1)}.categoryCard:hover{color:var(--paper);background:var(--ink)}.categoryCard:hover:after{transform:scale(1.4) translate(-16px,-16px)}.categoryIndex{color:var(--muted);font-size:11px;font-weight:780;letter-spacing:.14em}.categoryName{margin:42px 0 4px;font-family:var(--display-font);font-size:27px;line-height:1.15}.categoryEnglish{color:var(--muted);font-size:10px;font-weight:720;letter-spacing:.15em;text-transform:uppercase}.categoryDescription{max-width:270px;margin:18px 0 0;color:var(--ink-soft);font-size:12px}.categoryCard:hover .categoryDescription,.categoryCard:hover .categoryEnglish,.categoryCard:hover .categoryIndex{color:#c7d8d0}.categoryCount{position:absolute;right:20px;bottom:18px;color:var(--muted);font-size:10px}.topicGrid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:14px}.topicCard{position:relative;display:flex;min-height:365px;flex-direction:column;overflow:hidden;border:1px solid rgba(255,255,255,.16);padding:28px;background:#123128;transition:transform .23s ease,border-color .23s ease}.topicCard:first-child{min-height:430px;background:#183e34}.topicCard:hover{z-index:2;border-color:var(--acid);transform:translateY(-7px)}.topicCard:after{position:absolute;right:-80px;bottom:-90px;width:260px;height:260px;border:1px solid var(--topic-accent,var(--acid));border-radius:50%;content:"";opacity:.35;box-shadow:0 0 0 34px rgba(255,255,255,.025),0 0 0 70px rgba(255,255,255,.018)}.topicKicker{color:var(--topic-accent,var(--acid));font-size:10px;font-weight:780;letter-spacing:.12em}.topicTitle{max-width:350px;margin:auto 0 12px;font-family:var(--display-font);font-size:clamp(27px,3vw,43px);line-height:1.12}.topicDescription{position:relative;z-index:2;max-width:390px;margin:0 0 24px;color:#b8cbc2;font-size:12px}.topicMeta{position:relative;z-index:2;display:flex;gap:12px;color:#dfe9e4;font-size:10px}.resourceList{border-top:1px solid var(--line-strong)}.resourceRow{display:grid;grid-template-columns:minmax(0,1.5fr) 150px 110px 100px 36px;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding:21px 10px;transition:background .18s ease,padding .18s ease}.resourceRow:hover{padding-inline:18px;background:rgba(255,253,247,.8)}.resourceTitleWrap{min-width:0}.resourceCode{display:block;margin-bottom:4px;color:var(--muted);font-size:10px;font-weight:760;letter-spacing:.08em}.resourceTitle{overflow:hidden;margin:0;font-family:var(--display-font);font-size:18px;font-weight:680;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.resourceMeta{color:var(--muted);font-size:11px}.resourceArrow{display:grid;width:34px;height:34px;place-items:center;border:1px solid var(--line);border-radius:50%;transition:color .18s ease,background .18s ease}.resourceRow:hover .resourceArrow{color:var(--ink-deep);background:var(--acid)}.courseGrid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}.courseCard{grid-column:span 4;overflow:hidden;border:1px solid var(--line);background:var(--surface);transition:transform .22s ease,box-shadow .22s ease}.courseCard:first-child{grid-column:span 5}.courseCard:nth-child(2){grid-column:span 7}.courseCard:hover{transform:translateY(-7px);box-shadow:var(--shadow)}.courseVisual{position:relative;display:flex;min-height:210px;align-items:end;overflow:hidden;padding:20px;color:var(--paper);background:var(--ink)}.courseVisual:after,.courseVisual:before{position:absolute;border:1px solid var(--course-accent,var(--acid));border-radius:50%;content:""}.courseVisual:before{width:230px;height:230px;top:-85px;right:-35px;opacity:.45}.courseVisual:after{width:130px;height:130px;top:-35px;right:15px;background:radial-gradient(circle,transparent 42%,rgba(255,255,255,.06) 43%)}.coursePlay{position:relative;z-index:2;display:grid;width:47px;height:47px;place-items:center;border:1px solid rgba(255,255,255,.42);border-radius:50%;color:var(--ink-deep);background:var(--course-accent,var(--acid))}.courseBody{padding:24px}.courseEyebrow{color:var(--muted);font-size:10px;font-weight:760;letter-spacing:.12em}.courseTitle{margin:12px 0 10px;font-family:var(--display-font);font-size:23px;line-height:1.25}.courseSummary{margin:0;color:var(--ink-soft);font-size:12px}.courseFooter{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;color:var(--muted);font-size:10px}.membershipBanner{position:relative;display:grid;overflow:hidden;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:50px;padding:58px;color:var(--paper);background:var(--ink)}.membershipBanner:before{position:absolute;top:-200px;right:90px;width:460px;height:460px;border:1px solid rgba(201,242,105,.45);border-radius:50%;content:"";box-shadow:0 0 0 46px rgba(201,242,105,.04),0 0 0 95px rgba(201,242,105,.025)}.membershipBannerContent{position:relative;z-index:2;max-width:750px}.membershipBanner h2{margin:0;font-family:var(--display-font);font-size:clamp(32px,4.5vw,58px);line-height:1.13}.membershipBanner p{max-width:600px;margin:16px 0 0;color:#bed0c7}.membershipBannerAction{position:relative;z-index:2}.pageHero{border-bottom:1px solid var(--line);padding-block:72px 52px}.pageHeroInner{display:grid;grid-template-columns:1fr minmax(260px,.45fr);gap:60px;align-items:end}.pageTitle{margin:0;font-family:var(--display-font);font-size:clamp(42px,6vw,74px);letter-spacing:-.05em;line-height:1.05}.pageIntro{margin:0;color:var(--ink-soft);font-size:15px}.filterBar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:28px;padding:16px;background:rgba(255,253,247,.64)}.filterBar,.selectField{border:1px solid var(--line)}.selectField{min-height:42px;border-radius:5px;padding:0 36px 0 12px;background:var(--surface);font-size:12px}.resultCount{margin-left:auto;color:var(--muted);font-size:11px}.cardGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.emptyState{display:grid;min-height:320px;place-items:center;border:1px dashed var(--line-strong);text-align:center}.emptyState h2{margin:15px 0 6px;font-family:var(--display-font)}.emptyState p{margin:0;color:var(--muted)}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:28px;color:var(--muted);font-size:11px}.breadcrumb a:hover{color:var(--ink)}.catalogLayout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:36px;align-items:start}.facetSidebar{position:sticky;top:106px;border-top:2px solid var(--ink)}.facetGroup{border-bottom:1px solid var(--line);padding:20px 0}.facetGroup h3{margin:0 0 10px;font-size:11px;letter-spacing:.08em}.facetLink{display:flex;align-items:center;justify-content:space-between;padding:6px 0;color:var(--ink-soft);font-size:12px}.facetLink:hover,.facetLinkActive{color:var(--ink);font-weight:720}.facetCount{color:var(--muted);font-size:9px}.catalogMain .searchForm{margin:0 0 15px;box-shadow:none}.detailHero{border-bottom:1px solid var(--line);padding-block:54px 48px}.detailHeroGrid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.5fr);gap:64px;align-items:end}.detailTitle{max-width:880px;margin:11px 0 18px;font-family:var(--display-font);font-size:clamp(36px,5.2vw,66px);letter-spacing:-.045em;line-height:1.08}.detailSummary{max-width:790px;margin:0;color:var(--ink-soft);font-size:15px}.detailBadges{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.detailStats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong)}.detailStat{border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);padding:14px}.detailStat span{display:block;color:var(--muted);font-size:9px;letter-spacing:.1em}.detailStat strong{display:block;margin-top:5px;font-size:12px}.detailLayout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:42px;align-items:start}.previewPanel{border:1px solid var(--line);background:#dfe4dd}.previewToolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line-strong);padding:11px 14px;color:var(--muted);background:var(--surface);font-size:10px}.documentCanvas{display:grid;min-height:670px;place-items:center;padding:44px 20px}.documentPage{position:relative;width:min(76%,550px);min-height:650px;overflow:hidden;padding:58px 52px;color:#26302c;background:#fff;box-shadow:0 20px 55px rgba(21,53,45,.16)}.documentPage:after{position:absolute;inset:0;content:"PREVIEW · 芯禾叶";display:grid;place-items:center;color:rgba(21,53,45,.055);font-size:36px;font-weight:800;letter-spacing:.12em;transform:rotate(-28deg)}.documentPage h2{margin:10px 0 20px;font-family:var(--display-font);font-size:25px;line-height:1.35}.documentPage li,.documentPage p{color:#56635d;font-size:10px;line-height:2}.documentRule{height:5px;margin:18px 0;background:linear-gradient(90deg,var(--ink) 0 35%,var(--acid) 35% 52%,#dde3df 52%)}.purchasePanel{position:sticky;top:106px;border:1px solid var(--line-strong);background:var(--surface);box-shadow:var(--shadow-small)}.purchasePanelTop{padding:24px;color:var(--paper);background:var(--ink)}.purchasePanelTop h2{margin:12px 0 5px;font-family:var(--display-font);font-size:24px}.purchasePanelTop p{margin:0;color:#abc0b7;font-size:11px}.purchasePanelBody{padding:23px}.purchasePanelBody .button,.purchasePanelBody .buttonSecondary{width:100%}.purchaseBenefits{display:grid;gap:10px;margin:20px 0;padding:0;list-style:none;color:var(--ink-soft);font-size:11px}.purchaseBenefits li{display:flex;gap:8px}.contentBlock{margin-top:42px}.contentBlock h2{margin:0 0 18px;font-family:var(--display-font);font-size:27px}.outlineList{margin:0;padding:0;border-top:1px solid var(--line-strong);list-style:none}.outlineList li{display:grid;grid-template-columns:38px 1fr;gap:12px;border-bottom:1px solid var(--line);padding:13px 4px;color:var(--ink-soft);font-size:12px}.outlineList span{color:var(--muted);font-size:9px}.videoStage{position:relative;display:grid;min-height:520px;place-items:center;overflow:hidden;color:var(--paper);background:linear-gradient(rgba(10,33,27,.5),rgba(10,33,27,.83)),linear-gradient(120deg,#214d41,#0a211b 70%)}.videoStage:after,.videoStage:before{position:absolute;border:1px solid rgba(201,242,105,.32);border-radius:50%;content:""}.videoStage:before{width:520px;height:520px;right:-160px;top:-210px}.videoStage:after{width:280px;height:280px;left:-70px;bottom:-130px}.videoPlayButton{position:relative;z-index:2;display:grid;width:82px;height:82px;place-items:center;border:1px solid rgba(255,255,255,.52);border-radius:50%;color:var(--ink-deep);background:var(--acid);box-shadow:0 0 0 18px rgba(201,242,105,.08)}.videoWatermark{position:absolute;right:20px;bottom:17px;color:rgba(255,255,255,.48);font-size:10px;letter-spacing:.14em}.courseDetailGrid{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:20px}.chapterPanel{border:1px solid var(--line);background:var(--surface)}.chapterPanelHeader{border-bottom:1px solid var(--line);padding:18px 20px}.chapterPanelHeader h2{margin:0;font-family:var(--display-font);font-size:20px}.chapterItem{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding:14px 16px;font-size:11px}.chapterNumber{display:grid;width:26px;height:26px;place-items:center;border:1px solid var(--line);border-radius:50%}.chapterDuration,.chapterNumber{color:var(--muted);font-size:9px}.planGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:stretch}.planCard{position:relative;display:flex;min-height:410px;flex-direction:column;border:1px solid var(--line-strong);padding:30px;background:var(--surface)}.planCardRecommended{color:var(--paper);background:var(--ink);box-shadow:var(--shadow);transform:translateY(-14px)}.planRibbon{position:absolute;top:14px;right:14px;border-radius:999px;padding:5px 9px;color:var(--ink-deep);background:var(--acid);font-size:9px;font-weight:760}.planName{margin:0;font-family:var(--display-font);font-size:30px}.planDuration{color:var(--muted);font-size:11px}.planPrice{display:flex;align-items:end;gap:4px;margin:35px 0 8px}.planPrice strong{font-family:var(--display-font);font-size:53px;line-height:1}.planNote{margin:0;color:var(--muted);font-size:11px}.planCardRecommended .planDuration,.planCardRecommended .planNote{color:#b6c9c0}.planFeatures{display:grid;gap:9px;margin:26px 0;padding:20px 0 0;border-top:1px solid var(--line);list-style:none;font-size:11px}.planFeatures li{display:flex;gap:8px}.planAction{margin-top:auto}.planAction .button,.planAction .buttonGhost,.planAction .buttonSecondary{width:100%}.featureTable{width:100%;border-collapse:collapse;background:rgba(255,253,247,.5)}.featureTable td,.featureTable th{border-bottom:1px solid var(--line);padding:15px 12px;text-align:left;font-size:11px}.featureTable th{color:var(--muted);font-weight:650}.featureTable td svg{display:inline;margin-right:7px;vertical-align:-2px}.authSection{min-height:780px;padding-block:70px;background:linear-gradient(105deg,var(--ink-deep) 0 48%,transparent 48%)}.authLayout{display:grid;grid-template-columns:1fr 520px;gap:90px;align-items:center}.authStory{color:var(--paper)}.authStory .eyebrow{color:#abc0b7}.authStory h1{margin:0;font-family:var(--display-font);font-size:clamp(43px,5.8vw,72px);line-height:1.08}.authStory>p:not(.eyebrow){max-width:520px;color:#a9beb4}.authStoryMetric{display:grid;grid-template-columns:40px 1fr;gap:12px;max-width:470px;border-top:1px solid rgba(255,255,255,.15);padding:13px 0;font-size:12px}.authStoryMetric strong{color:var(--acid);font-size:10px}.loginPanel{border:1px solid var(--line-strong);padding:34px;background:var(--surface);box-shadow:var(--shadow)}.loginTabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}.loginTabs button{display:flex;align-items:center;justify-content:center;gap:8px;border:0;border-bottom:3px solid transparent;padding:13px;color:var(--muted);background:transparent;font-size:12px}.loginTabs .loginTabActive{border-color:var(--acid);color:var(--ink);font-weight:750}.qrLogin{display:grid;justify-items:center;padding:35px 0 14px;text-align:center}.qrLogin h2{margin:20px 0 5px;font-family:var(--display-font);font-size:24px}.qrLogin p{max-width:310px;margin:0 0 20px;color:var(--muted);font-size:11px}.demoQr{display:grid;width:170px;height:170px;grid-template-columns:repeat(9,1fr);gap:2px;border:10px solid white;padding:5px;background:white;box-shadow:0 0 0 1px var(--line),var(--shadow-small)}.demoQr i{display:block;background:transparent}.demoQr .qrDark{background:var(--ink)}.demoQr.mini{width:120px;height:120px;place-items:center;border:1px solid var(--line)}.phoneLogin{display:grid;gap:18px;padding:32px 0 16px}.phoneLogin label{display:grid;gap:7px;font-size:11px;font-weight:720}.phoneLogin input{width:100%;min-height:47px;border:1px solid var(--line-strong);padding:0 13px;background:white;outline:0}.phoneLogin input:focus{border-color:var(--ink)}.codeField{display:grid;grid-template-columns:1fr auto}.codeField button{border:1px solid var(--line-strong);border-left:0;padding:0 13px;background:var(--paper);font-size:10px}.phoneLogin small{color:var(--muted)}.formError{margin:10px 0 0;padding:10px;color:var(--danger);background:#f8e9e4;font-size:11px}.loginTrust{display:flex;gap:7px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:9px}.adminDemoLink{width:100%;margin-top:12px;border:0;color:var(--ink-soft);background:transparent;font-size:10px;text-decoration:underline}.checkoutPanel{border:1px solid var(--line-strong);padding:30px;background:var(--surface);box-shadow:var(--shadow-small)}.checkoutSummary{border-bottom:1px solid var(--line);padding-bottom:22px}.checkoutSummary h2{margin:0;font-family:var(--display-font);font-size:28px}.checkoutSummary p{color:var(--muted);font-size:11px}.checkoutPrice{display:flex;align-items:end;justify-content:space-between;margin-top:18px}.checkoutPrice span{font-size:11px}.checkoutPrice strong{font-family:var(--display-font);font-size:34px}.paymentChoices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0}.paymentChoices button{display:flex;align-items:center;gap:12px;border:1px solid var(--line);padding:15px;text-align:left;background:white}.paymentChoices button span{display:grid}.paymentChoices button strong{font-size:12px}.paymentChoices button small{color:var(--muted);font-size:9px}.paymentChoices .paymentChoiceActive{border:2px solid var(--ink);background:var(--acid-soft)}.demoPayment{display:grid;justify-items:center;padding:26px 0 10px;text-align:center}.demoPayment h3{margin:18px 0 3px;font-family:var(--display-font)}.demoPayment p{margin:0 0 16px;color:var(--muted);font-size:10px}.checkoutLegal{margin:16px 0 0;color:var(--muted);font-size:9px;text-align:center}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.accountHero{padding-block:45px;color:var(--paper);background:var(--ink)}.accountHeroInner{display:flex;align-items:center;gap:22px}.accountAvatar{display:grid;width:72px;height:72px;place-items:center;border-radius:50%;color:var(--ink-deep);background:var(--acid);font-family:var(--display-font);font-size:28px}.accountHero .eyebrow{margin:0;color:#abc0b7}.accountHero h1{margin:4px 0;font-family:var(--display-font);font-size:30px}.accountHero p{margin:0;color:#a9beb4;font-size:11px}.accountHeroAction{margin-left:auto}.accountHeroAction .buttonGhost{color:var(--paper);border-color:#6e887d}.successBanner{display:flex;gap:12px;align-items:center;margin-bottom:22px;padding:15px 18px;color:var(--ink-deep);background:var(--acid-soft)}.successBanner span,.successBanner strong{display:block}.successBanner span{color:var(--ink-soft);font-size:10px}.accountGrid{display:grid;grid-template-columns:210px minmax(0,1fr);gap:38px}.accountSidebar{display:grid;align-content:start;border-top:2px solid var(--ink)}.accountSidebar a{display:flex;align-items:center;gap:9px;border-bottom:1px solid var(--line);padding:13px 8px;color:var(--ink-soft);font-size:11px}.accountSidebar .accountNavActive{color:var(--ink);background:var(--acid-soft);font-weight:750}.membershipStatus{display:flex;align-items:center;justify-content:space-between;gap:25px;border:1px solid var(--line-strong);padding:28px;background:var(--surface)}.membershipStatusActive{color:var(--paper);background:var(--ink)}.membershipStatusActive .eyebrow,.membershipStatusActive p{color:#abc0b7}.membershipStatus h2{margin:0;font-family:var(--display-font);font-size:28px}.membershipStatus p{margin:5px 0 0;color:var(--muted);font-size:11px}.accountStats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:15px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.accountStats>div{display:grid;min-height:125px;align-content:end;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px}.accountStats strong{font-family:var(--display-font);font-size:27px}.accountStats span{color:var(--muted);font-size:10px}.orderRow{display:grid;grid-template-columns:1fr 110px 90px 80px;gap:14px;align-items:center;border-bottom:1px solid var(--line);padding:15px 5px;font-size:11px}.emptyMini{border:1px dashed var(--line-strong);padding:30px;color:var(--muted);text-align:center;font-size:11px}.legalArticle{max-width:850px}.legalArticle>p{color:var(--ink-soft)}.legalArticle h2{margin:40px 0 8px;font-family:var(--display-font);font-size:25px}.siteFooter{border-top:1px solid rgba(255,255,255,.12);color:#dbe6e0;background:var(--ink-deep)}.footerMain{display:grid;grid-template-columns:1.4fr repeat(3,.7fr);gap:42px;padding-block:66px 48px}.footerBrand p{max-width:420px;margin:18px 0 0;color:#91aaa0;font-size:12px}.footerColumn h3{margin:4px 0 16px;color:var(--acid);font-size:10px;letter-spacing:.12em}.footerColumn a{display:block;margin:8px 0;color:#a9bdb4;font-size:12px}.footerColumn a:hover{color:var(--paper)}.footerBottom{display:flex;justify-content:space-between;align-items:center;gap:24px;border-top:1px solid rgba(255,255,255,.1);padding-block:20px;color:#769087;font-size:10px}.footerMeta{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 16px}.footerMeta a{color:#a9bdb4;text-decoration:none}.footerMeta a:hover{color:var(--paper)}@keyframes waferEnter{0%{opacity:0;transform:scale(.88) rotate(-8deg)}to{opacity:1;transform:scale(1) rotate(0deg)}}@media (max-width:1040px){.navLinks{display:none}.mobileMenuButton{display:grid}.mobilePanel{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;border-top:1px solid var(--line);padding:12px 20px 18px}.heroInner{grid-template-columns:1fr .55fr;gap:18px}.waferOrbit{min-width:290px}.topicGrid{grid-template-columns:1fr 1fr}.topicCard:first-child{grid-column:1/-1}.courseCard,.courseCard:first-child,.courseCard:nth-child(2){grid-column:span 6}.footerMain{grid-template-columns:1.2fr repeat(3,.6fr)}}@media (max-width:760px){.container{width:min(calc(100% - 28px),var(--container))}.headerInner{min-height:68px;gap:16px}.headerActions .buttonGhost{display:none}.mobilePanel{grid-template-columns:1fr 1fr}.heroInner{min-height:auto;grid-template-columns:1fr;padding-block:62px 56px}.heroVisual{min-height:340px;order:-1}.waferOrbit{width:310px;min-width:0}.displayTitle{font-size:clamp(42px,14vw,62px)}.heroTitleAccent{white-space:normal}.heroMetrics{gap:0}.heroMetric{padding-right:10px}.heroMetric+.heroMetric{padding-left:12px}.heroMetric strong{font-size:19px}.searchForm{gap:7px;padding-left:12px}.searchButton{width:44px;padding:0;font-size:0;justify-content:center}.section{padding-block:68px}.sectionHeader{align-items:start;flex-direction:column;gap:18px}.categoryCard,.categoryCard:nth-child(2),.categoryCard:nth-child(3),.categoryCard:nth-child(4),.categoryCard:nth-child(5){grid-column:span 6;min-height:230px}.topicGrid{grid-template-columns:1fr}.topicCard:first-child{grid-column:auto}.topicCard{min-height:340px}.resourceRow{grid-template-columns:minmax(0,1fr) auto;gap:12px}.resourceRow>:not(.resourceTitleWrap):not(.resourceArrow){display:none}.courseCard,.courseCard:first-child,.courseCard:nth-child(2){grid-column:1/-1}.membershipBanner{grid-template-columns:1fr;padding:34px 26px}.membershipBannerAction{justify-self:start}.pageHeroInner{gap:22px}.cardGrid,.pageHeroInner{grid-template-columns:1fr}.resultCount{width:100%;margin-left:0}.footerMain{grid-template-columns:1fr 1fr}.footerBrand{grid-column:1/-1}.footerBottom{align-items:flex-start;flex-direction:column}.footerMeta{justify-content:flex-start}.catalogLayout{grid-template-columns:1fr}.facetSidebar{position:static}.facetGroup:not(:first-child){display:none}.courseDetailGrid,.detailHeroGrid,.detailLayout{grid-template-columns:1fr}.detailStats{margin-top:15px}.purchasePanel{position:static}.documentCanvas{min-height:480px;padding:20px 10px}.documentPage{width:92%;min-height:500px;padding:38px 28px}.videoStage{min-height:300px}.planGrid{grid-template-columns:1fr}.planCardRecommended{transform:none}.authSection{background:var(--ink-deep)}.authLayout{grid-template-columns:1fr;gap:45px}.loginPanel{padding:22px}.accountGrid,.paymentChoices{grid-template-columns:1fr}.accountSidebar{grid-template-columns:1fr 1fr}.membershipStatus{align-items:start;flex-direction:column}.orderRow{grid-template-columns:1fr auto}.orderRow>:nth-child(2),.orderRow>:nth-child(3){display:none}}@media (max-width:460px){.categoryCard,.categoryCard:nth-child(2),.categoryCard:nth-child(3),.categoryCard:nth-child(4),.categoryCard:nth-child(5){grid-column:1/-1}.heroVisual{min-height:300px}.waferOrbit{width:270px}.orbitLabel:nth-of-type(2){right:0}.orbitLabel:nth-of-type(3){left:0}.orbitLabel:nth-of-type(4){right:0}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.adminShell{min-height:100vh;color:#203b33;background:#edf0e9}.adminSidebar{position:fixed;z-index:20;inset:0 auto 0 0;display:flex;width:238px;flex-direction:column;color:#dfe9e3;background:#0b251f}.adminSidebarLogo{display:grid;gap:10px;border-bottom:1px solid rgba(255,255,255,.1);padding:24px 22px 20px}.adminSidebarLogo>span{color:#779288;font-size:9px;letter-spacing:.18em}.adminSidebar nav{display:grid;gap:3px;padding:18px 12px}.adminSidebar nav a{display:flex;align-items:center;gap:10px;border-left:3px solid transparent;padding:10px 12px;color:#91aaa0;font-size:11px}.adminSidebar nav .adminNavActive,.adminSidebar nav a:hover{border-color:var(--acid);color:var(--paper);background:rgba(255,255,255,.05)}.adminSidebarFoot{display:flex;gap:10px;align-items:center;margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding:18px 22px;color:var(--acid);font-size:9px}.adminSidebarFoot small{color:#769087}.adminWorkspace{min-height:100vh;margin-left:238px}.adminTopbar{display:flex;min-height:72px;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid #c8d0c8;padding:0 28px;background:rgba(255,255,255,.58);backdrop-filter:blur(15px)}.adminTopbar>div:first-child{display:grid}.adminTopbar>div:first-child strong{font-size:12px}.adminTopbarActions{display:flex;align-items:center;gap:12px}.adminTopbarActions>a{display:flex;gap:6px;align-items:center;font-size:10px}.adminTopbarActions>button{display:grid;width:34px;height:34px;place-items:center;border:1px solid #c8d0c8;border-radius:50%;background:transparent}.adminUser{display:flex;align-items:center;gap:8px;font-size:10px}.adminUser i{display:grid;width:31px;height:31px;place-items:center;border-radius:50%;color:var(--ink-deep);background:var(--acid);font-style:normal;font-weight:800}.adminMain{padding:38px 28px 70px}.adminPageHeader{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}.adminPageHeader h1{margin:0;font-family:var(--display-font);font-size:42px;line-height:1.1}.adminPageHeader p:not(.eyebrow){margin:7px 0 0;color:#60776e;font-size:11px}.adminStats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.adminStats article{display:grid;min-height:160px;grid-template-columns:1fr auto;align-content:space-between;border:1px solid #c8d0c8;padding:20px;background:#fffefa}.adminStats article>span{color:#60776e;font-size:10px}.adminStats article strong{grid-column:1/-1;font-family:var(--display-font);font-size:31px}.adminStats article small{grid-column:1/-1;color:var(--success)}.adminTwoColumn{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(290px,.5fr);gap:15px}.adminPanel{border:1px solid #c8d0c8;background:#fffefa}.adminPanelHeader{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #d7ddd6;padding:18px 20px}.adminPanelHeader h2{margin:3px 0 0;font-family:var(--display-font);font-size:21px}.adminPanelHeader a{font-size:10px;text-decoration:underline}.adminTable{display:grid}.adminTableRow{display:grid;grid-template-columns:minmax(0,1.4fr) .65fr .65fr .65fr;gap:14px;align-items:center;border-bottom:1px solid #e0e4de;padding:14px 18px;font-size:10px}.adminTableRow:last-child{border-bottom:0}.adminTableRow>div{min-width:0}.adminTableRow small,.adminTableRow strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.adminTableRow small{color:#758980}.statusBadge{display:inline-flex;width:fit-content;border-radius:999px;padding:4px 8px;color:#47675d;background:#e5ece7;font-size:9px}.status-paid,.status-published{color:#205f49;background:#dff2e7}.status-pending{color:#886823;background:#f7ebc8}.healthItem{display:grid;grid-template-columns:24px 1fr 10px;gap:10px;align-items:center;border-bottom:1px solid #e0e4de;padding:16px 18px}.healthItem span,.healthItem strong{display:block;font-size:10px}.healthItem span{color:#758980}.healthItem i{width:8px;height:8px;border-radius:50%;background:var(--copper)}.healthItem .healthGood{background:var(--success)}.healthWarning{color:#75492a;background:#fbf2e5}.adminToolbar{display:flex;align-items:center;gap:9px;margin-bottom:14px}.adminToolbar input{min-width:300px;padding:0 12px}.adminToolbar input,.adminToolbar select{min-height:40px;border:1px solid #c8d0c8;background:#fffefa}.adminToolbar select{padding:0 26px 0 10px;font-size:10px}.adminToolbar>span{margin-left:auto;color:#758980;font-size:9px}.adminResourceTable{display:grid;overflow-x:auto}.adminResourceHead,.adminResourceLine{display:grid;min-width:880px;grid-template-columns:minmax(290px,1.4fr) .6fr .4fr .4fr .55fr 30px;gap:14px;align-items:center}.adminResourceHead{border-bottom:1px solid #c8d0c8;padding:12px 18px;color:#758980;font-size:9px}.adminResourceLine{border-bottom:1px solid #e0e4de;padding:13px 18px;font-size:10px}.adminResourceName{display:flex;min-width:0;align-items:center;gap:10px}.adminResourceName i{display:grid;width:34px;height:34px;flex:0 0 auto;place-items:center;color:var(--ink);background:var(--acid-soft)}.adminResourceName small,.adminResourceName strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.adminResourceName small{color:#758980}.adminResourceLine button{border:0;background:transparent}.uploadForm{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}.uploadMain{padding:28px}.formSection{display:grid;grid-template-columns:44px 1fr;gap:12px;margin:8px 0 20px;border-top:1px solid #d7ddd6;padding-top:22px}.formSection:first-child{margin-top:0;border-top:0;padding-top:0}.formStep{display:grid;width:34px;height:34px;place-items:center;color:var(--ink-deep);background:var(--acid);font-size:9px;font-weight:800}.formSection h2{margin:0;font-family:var(--display-font);font-size:22px}.formSection p{margin:3px 0 0;color:#758980;font-size:10px}.formGrid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:28px}.formGrid label{display:grid;gap:6px;color:#47675d;font-size:10px;font-weight:700}.formGrid input,.formGrid select,.formGrid textarea{width:100%;border:1px solid #bfc9c0;padding:10px 11px;background:white;outline:0}.formGrid input:focus,.formGrid select:focus,.formGrid textarea:focus{border-color:var(--ink)}.formFull{grid-column:1/-1}.dropZone{display:grid;min-height:190px;place-items:center;align-content:center;gap:8px;margin-bottom:32px;border:1px dashed #8da096;color:#60776e;background:#f0f3ed;text-align:center}.dropZone input{position:absolute;width:1px;height:1px;opacity:0}.dropZone span{font-size:9px}.dropZoneReady{border:2px solid var(--success);color:var(--ink);background:#e8f3ea}.uploadAside{position:sticky;top:20px}.uploadStatus{padding:22px}.uploadStatus h2{margin:5px 0 20px;font-family:var(--display-font);font-size:23px}.uploadStage{display:flex;gap:9px;align-items:center;border-bottom:1px solid #e0e4de;padding:12px 0;color:#758980;font-size:10px}.uploadStage.stageDone{color:var(--success);font-weight:700}.uploadStatus .button{width:100%;margin-top:20px}.uploadStatus>small{display:block;margin-top:12px;color:#758980;font-size:8px}.readyNotice{display:grid;justify-items:center;gap:5px;margin-top:16px;padding:14px;color:var(--success);background:#e8f3ea;text-align:center}.readyNotice span{font-size:8px}.adminCardGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.adminCourseCard{display:grid;grid-template-columns:180px 1fr;border:1px solid #c8d0c8;background:#fffefa}.adminCourseVisual{position:relative;display:grid;min-height:210px;place-items:center;color:var(--course-accent,var(--acid));background:var(--ink)}.adminCourseVisual:after{position:absolute;width:130px;height:130px;border:1px solid;border-radius:50%;content:"";opacity:.3}.adminCourseVisual .statusBadge{position:absolute;left:12px;bottom:12px}.adminCourseCard>div:last-child{padding:22px}.adminCourseCard h2,.adminTopicCard h2{margin:7px 0;font-family:var(--display-font);font-size:22px;line-height:1.3}.adminCourseCard p,.adminTopicCard p{margin:0;color:#60776e;font-size:10px}.adminCourseCard footer,.adminTopicCard footer{display:flex;align-items:center;gap:14px;margin-top:20px;border-top:1px solid #e0e4de;padding-top:12px;color:#758980;font-size:9px}.adminCourseCard footer button{margin-left:auto;border:0;background:transparent}.adminTopicCard{position:relative;overflow:hidden;border:1px solid #c8d0c8;padding:28px;background:#fffefa}.adminTopicCard:after{position:absolute;right:-70px;bottom:-70px;width:170px;height:170px;border:1px solid var(--topic-accent);border-radius:50%;content:"";opacity:.35}.adminTopicCard footer{position:relative;z-index:2;justify-content:space-between}@media (max-width:980px){.adminSidebar{width:76px}.adminSidebar nav a,.adminSidebarLogo .logoWord,.adminSidebarLogo>span{font-size:0}.adminSidebar nav a{justify-content:center;padding:12px}.adminSidebar nav a svg{width:18px;height:18px}.adminSidebarFoot span{display:none}.adminWorkspace{margin-left:76px}.adminStats{grid-template-columns:1fr 1fr}.adminTwoColumn,.uploadForm{grid-template-columns:1fr}.uploadAside{position:static}.adminCardGrid{grid-template-columns:1fr}}@media (max-width:680px){.adminSidebar{display:none}.adminWorkspace{margin-left:0}.adminTopbar{padding-inline:16px}.adminTopbarActions>a,.adminUser{display:none}.adminMain{padding:25px 15px 55px}.adminPageHeader{align-items:start;flex-direction:column}.adminStats{grid-template-columns:1fr}.adminToolbar{align-items:stretch;flex-direction:column}.adminToolbar input{min-width:0}.formGrid{grid-template-columns:1fr}.formFull{grid-column:auto}.adminCourseCard{grid-template-columns:1fr}}