:root{--paper:#f3efe5;--paper-2:#e9e2d2;--ink:#102b26;--muted:#68736c;--pine:#153c34;--pine-2:#285c4d;--vermilion:#a34b38;--gold:#b08b50;--line:#cfc6b4;--white:#fffdf7;--radius:3px;--shadow:0 18px 45px rgba(21,60,52,.12);font-family:"Noto Serif SC","Songti SC",SimSun,serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--paper);color:var(--ink)}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{color:inherit}.skip-link{position:fixed;left:1rem;top:-4rem;z-index:100;padding:.75rem 1rem;background:var(--white);border:2px solid var(--pine)}.skip-link:focus{top:1rem}.site-header{position:sticky;top:0;z-index:40;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:78px;padding:0 clamp(1rem,4vw,4.5rem);border-bottom:1px solid rgba(16,43,38,.16);background:rgba(243,239,229,.94);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:.75rem;width:max-content}.brand-seal{display:grid;place-items:center;width:36px;height:42px;background:var(--vermilion);color:#fff;font-size:1rem}.brand b,.brand small{display:block}.brand b{font-size:1.08rem;letter-spacing:.16em}.brand small{margin-top:.2rem;color:var(--muted);font-size:.68rem;letter-spacing:.14em}.desktop-nav{display:flex;gap:2rem;height:78px}.desktop-nav a{position:relative;display:grid;place-items:center;font-family:system-ui,sans-serif;font-size:.86rem;letter-spacing:.06em}.desktop-nav a::after{position:absolute;bottom:0;left:50%;width:0;height:3px;background:var(--vermilion);content:"";transition:.2s}.desktop-nav a:hover::after,.desktop-nav a[aria-current=page]::after{left:0;width:100%}.header-action{justify-self:end;padding:.75rem 1.2rem;background:var(--pine);color:#fff;font-family:system-ui,sans-serif;font-size:.82rem}.header-action:hover{background:var(--pine-2)}main{min-height:calc(100vh - 78px)}.shell{width:min(1320px,calc(100% - 2rem));margin-inline:auto}.hero{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);min-height:670px;border-inline:1px solid var(--line)}.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(2.5rem,6vw,7rem);border-right:1px solid var(--line)}.eyebrow{margin:0 0 1.2rem;color:var(--vermilion);font-family:system-ui,sans-serif;font-size:.76rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.hero h1{max-width:780px;margin:0;font-size:clamp(3.5rem,7vw,7rem);font-weight:500;letter-spacing:-.06em;line-height:.94}.hero h1 em{color:var(--vermilion);font-style:normal}.hero-intro{max-width:580px;margin:2rem 0 0;color:#40514b;font-size:clamp(1rem,1.5vw,1.25rem);line-height:1.9}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2.4rem}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.75rem 1.3rem;border:1px solid var(--pine);border-radius:0;background:transparent;cursor:pointer;font-family:system-ui,sans-serif;font-weight:650}.btn-primary{background:var(--pine);color:#fff}.btn:hover{transform:translateY(-1px)}.btn:focus-visible,.card-button:focus-visible,.lesson-row:focus-visible,a:focus-visible{outline:3px solid #d89b45;outline-offset:3px}.hero-visual{position:relative;min-height:540px;overflow:hidden;background:#193e36}.hero-visual img{width:100%;height:100%;object-fit:cover;filter:saturate(.74) contrast(1.05)}.hero-visual::after{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,32,27,.86));content:""}.hero-caption{position:absolute;right:2rem;bottom:2rem;left:2rem;z-index:1;color:#fff}.hero-caption span{display:block;margin-bottom:.65rem;color:#e6c691;font-family:system-ui,sans-serif;font-size:.72rem;letter-spacing:.16em}.hero-caption 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var(--line)}.card-button{position:relative;display:flex;min-width:0;flex-direction:column;padding:0;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;text-align:left;cursor:pointer}.card-media{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s}.card-button:hover .card-media img{transform:scale(1.035)}.card-body{display:grid;min-height:168px;align-content:start;padding:1.25rem}.card-kicker{color:var(--vermilion);font-family:system-ui,sans-serif;font-size:.7rem;font-weight:700;letter-spacing:.1em}.card-title{margin:.55rem 0;font-size:1.35rem;font-weight:600;line-height:1.45}.card-meta{margin-top:auto;padding-top:.9rem;color:var(--muted);font-family:system-ui,sans-serif;font-size:.76rem}.course-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.course-card{display:grid;grid-template-columns:180px 1fr;min-height:260px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent}.course-card img{width:100%;height:100%;object-fit:cover}.course-card-copy{display:flex;min-width:0;flex-direction:column;padding:1.5rem}.course-card h3{margin:.5rem 0;font-size:1.85rem;font-weight:500}.course-card p{margin:0;color:var(--muted);line-height:1.75}.course-card-foot{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-top:auto;padding-top:1.5rem}.price{color:var(--vermilion);font-size:1.45rem;font-weight:700}.page-hero{padding:clamp(3rem,7vw,6rem) 0 2.5rem;border-bottom:1px solid var(--line)}.page-hero h1{max-width:900px;margin:.4rem 0;font-size:clamp(3rem,7vw,6.5rem);font-weight:500;letter-spacing:-.05em;line-height:1}.page-hero p{max-width:660px;color:var(--muted);font-size:1.05rem;line-height:1.8}.course-list{border-top:1px solid 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p{max-width:680px;color:var(--muted);font-size:1.05rem;line-height:1.9}.purchase-line{display:flex;align-items:center;gap:1.4rem;margin-top:1.5rem}.lesson-list{border-top:1px solid var(--line)}.lesson-row{display:grid;width:100%;grid-template-columns:80px minmax(0,1fr) auto;align-items:center;gap:1rem;padding:1.1rem .5rem;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;cursor:pointer}.lesson-row:hover{background:rgba(255,253,247,.55)}.lesson-row strong{font-size:1.05rem}.lesson-row span:last-child{color:var(--vermilion);font-family:system-ui,sans-serif;font-size:.78rem}.quiz-shell{width:min(880px,calc(100% - 2rem));margin:0 auto;padding:clamp(3rem,8vw,7rem) 0}.quiz-progress{height:3px;margin:1.5rem 0 4rem;background:var(--line)}.quiz-progress span{display:block;height:100%;background:var(--vermilion);transition:width .25s}.quiz-count{color:var(--muted);font-family:system-ui,sans-serif;font-size:.76rem}.quiz-question{margin:0 0 2.5rem;font-size:clamp(2rem,5vw,4.5rem);font-weight:500;line-height:1.2}.option-list{display:grid;gap:.75rem}.option{width:100%;padding:1.2rem 1.4rem;border:1px solid var(--line);background:var(--white);text-align:left;cursor:pointer;font-size:1rem;line-height:1.6}.option[aria-pressed=true]{border-color:var(--vermilion);box-shadow:inset 5px 0 var(--vermilion)}.quiz-actions{display:flex;justify-content:space-between;gap:1rem;margin-top:2rem}.result-panel{display:grid;grid-template-columns:.7fr 1.3fr;min-height:calc(100vh - 78px)}.result-mark{display:grid;place-items:center;padding:3rem;background:var(--pine);color:#fff}.result-mark span{display:grid;place-items:center;width:min(280px,65vw);aspect-ratio:1;border:1px solid rgba(255,255,255,.45);border-radius:50%;font-size:clamp(4rem,10vw,8rem)}.result-copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(2rem,7vw,7rem)}.result-copy h1{margin:.3rem 0;font-size:clamp(3rem,7vw,6.5rem);font-weight:500}.result-quote{font-size:1.25rem;line-height:1.8}.result-facts{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:2rem 0;background:var(--line);border:1px solid var(--line)}.result-facts div{padding:1.2rem;background:var(--paper)}.result-facts small,.result-facts strong{display:block}.result-facts small{margin-bottom:.5rem;color:var(--muted)}.reader-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:4rem;width:min(1120px,calc(100% - 2rem));margin:0 auto;padding:4rem 0}.reader article{max-width:760px}.reader h1{margin:.4rem 0 1rem;font-size:clamp(2.5rem,5vw,4.5rem);font-weight:500;line-height:1.2}.reader-meta{color:var(--muted);font-family:system-ui,sans-serif;font-size:.75rem}.article-section{margin:3rem 0}.article-section h2{font-size:1.45rem;font-weight:600}.article-section p{margin:1.1rem 0;font-size:1.08rem;line-height:2;text-align:justify}.classic{padding:1.5rem;border-left:3px solid var(--gold);background:var(--paper-2)}.practice{padding:1.5rem;background:var(--pine);color:#fff}.reader-aside{position:sticky;top:108px;align-self:start;border-top:1px solid var(--line)}.reader-aside a,.reader-aside button{display:block;width:100%;padding:1rem 0;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;cursor:pointer}.locked{padding:3rem;border:1px solid var(--line);background:var(--white);text-align:center}.profile-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:4rem}.profile-card{padding:2rem;background:var(--pine);color:#fff}.profile-seal{display:grid;place-items:center;width:86px;aspect-ratio:1;margin-bottom:2rem;border:1px solid rgba(255,255,255,.55);font-size:2rem}.menu-list{border-top:1px solid var(--line)}.menu-row{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:1rem;width:100%;padding:1.2rem .5rem;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;cursor:pointer}.menu-row b,.menu-row small{display:block}.menu-row small{margin-top:.3rem;color:var(--muted)}.orders-empty{padding:4rem 1rem;border-block:1px solid var(--line);text-align:center;color:var(--muted)}.site-footer{display:grid;grid-template-columns:1fr auto;gap:2rem;padding:3rem 0;border-top:1px solid var(--line);color:var(--muted);font-family:system-ui,sans-serif;font-size:.78rem}.toast{position:fixed;right:1rem;bottom:1rem;z-index:70;max-width:360px;padding:.9rem 1.1rem;background:#132e28;color:#fff;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}.toast.is-visible{opacity:1;transform:none}.mobile-nav{display:none}
@media(max-width:960px){.site-header{grid-template-columns:1fr auto}.desktop-nav{display:none}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{min-height:540px;border-right:0;border-bottom:1px solid var(--line)}.hero-visual{min-height:520px}.test-grid{grid-template-columns:repeat(2,1fr)}.course-grid{grid-template-columns:1fr}.detail-hero{grid-template-columns:.8fr 1.2fr}.reader-layout{grid-template-columns:1fr}.reader-aside{position:static}.result-panel{grid-template-columns:1fr}.result-mark{min-height:380px}.profile-layout{grid-template-columns:1fr}.profile-card{min-height:280px}.mobile-nav{position:fixed;right:0;bottom:0;left:0;z-index:50;display:grid;grid-template-columns:repeat(3,1fr);padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--line);background:rgba(243,239,229,.97);backdrop-filter:blur(12px)}.mobile-nav a{display:grid;place-items:center;gap:.2rem;min-height:62px;font-family:system-ui,sans-serif;font-size:.68rem}.mobile-nav span{font-family:serif;font-size:1rem}.mobile-nav a[aria-current=page]{background:#dde4dc}body{padding-bottom:62px}}
@media(max-width:640px){.site-header{min-height:66px;padding-inline:1rem}.header-action{padding:.65rem .8rem}.brand small{display:none}.shell{width:min(100% - 1.25rem,1320px)}.hero{width:100%;border-inline:0}.hero-copy{min-height:470px;padding:3.5rem 1rem}.hero h1{font-size:3.55rem}.hero-visual{min-height:420px}.stats{grid-template-columns:1fr}.stat{display:flex;align-items:baseline;justify-content:space-between;border-right:0;border-bottom:1px solid var(--line)}.stat:last-child{border:0}.section{padding:3.5rem 0}.section-head{grid-template-columns:1fr;gap:1rem}.test-grid{grid-template-columns:1fr 1fr}.card-body{min-height:155px;padding:1rem}.card-title{font-size:1.02rem}.course-card{grid-template-columns:110px 1fr;min-height:210px}.course-card-copy{padding:1rem}.course-card h3{font-size:1.35rem}.course-card p{font-size:.82rem}.course-row{grid-template-columns:72px 1fr auto;gap:1rem}.course-row img{width:72px}.course-number{display:none}.course-main h2{font-size:1.55rem}.course-main p{font-size:.83rem}.course-side .btn{display:none}.detail-hero{grid-template-columns:1fr}.detail-cover{min-height:340px;max-height:440px}.detail-copy{padding:2.5rem 1rem}.lesson-row{grid-template-columns:48px 1fr}.lesson-row span:last-child{grid-column:2}.quiz-shell{padding:2.5rem 1rem}.quiz-question{font-size:2.25rem}.result-copy{padding:2.5rem 1rem}.result-facts{grid-template-columns:1fr}.reader-layout{padding:2.5rem 0}.article-section p{font-size:1rem;line-height:1.9}.profile-layout{gap:1.5rem}.site-footer{grid-template-columns:1fr}.test-grid .card-media{aspect-ratio:1}.purchase-line{align-items:flex-start;flex-direction:column}}

/* Desktop website shell: compact navigation and catalogue-first pages. */
.site-header{display:block;min-height:68px;padding:0;background:rgba(250,249,245,.96)}
.header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;width:min(1180px,calc(100% - 2rem));min-height:68px;margin:auto}
.brand-seal{width:34px;height:34px;border-radius:8px}.brand b{letter-spacing:.08em}.desktop-nav{height:68px;margin-left:3.5rem;gap:2.5rem}.desktop-nav a{font-size:.92rem;letter-spacing:0}.header-account{display:flex;align-items:center;gap:1.5rem;font-family:system-ui,sans-serif;font-size:.86rem}.header-action{border-radius:7px;padding:.65rem 1.1rem}
.shell{width:min(1180px,calc(100% - 2rem))}.web-hero{background:#f1f3ed;border-bottom:1px solid var(--line)}.web-hero-inner{display:grid;grid-template-columns:1.4fr .6fr;gap:5rem;align-items:center;min-height:430px;padding-block:4rem}.web-hero h1{margin:0;font-size:clamp(3rem,5vw,5.2rem);font-weight:600;letter-spacing:-.055em;line-height:1.04}.web-hero h1+ p{max-width:650px;margin:1.5rem 0 0;color:var(--muted);font-size:1.08rem;line-height:1.85}.hero-feature{padding:2rem;background:var(--pine);color:#fff}.hero-feature>span{color:#e9ca93;font-size:.76rem;letter-spacing:.14em}.hero-feature strong{display:block;margin:1.5rem 0 .75rem;font-size:2rem;font-weight:500;line-height:1.35}.hero-feature p{color:#d3ddd8}.hero-feature button{margin-top:1rem;padding:0 0 .4rem;border:0;border-bottom:1px solid #fff;background:transparent;color:#fff;cursor:pointer}.portal{display:grid;grid-template-columns:1fr 1fr;margin-top:2rem;border:1px solid var(--line);background:#fff}.portal>a{display:grid;grid-template-columns:auto 1fr;column-gap:1.5rem;padding:2rem 2.25rem}.portal>a:first-child{border-right:1px solid var(--line)}.portal-index{grid-row:1/4;color:var(--vermilion);font-family:system-ui,sans-serif;font-weight:700}.portal small{color:var(--muted)}.portal h2{margin:.35rem 0;font-size:2rem}.portal p{margin:.4rem 0 1rem;color:var(--muted);line-height:1.7}.portal b{grid-column:2;font-family:system-ui,sans-serif;font-size:.8rem}.web-section{padding:4.5rem 0}.web-section+.web-section{padding-top:1rem}.web-section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:1.5rem}.web-section-head span{color:var(--vermilion);font-size:.72rem;letter-spacing:.14em}.web-section-head h2{margin:.35rem 0 0;font-size:2.2rem}.web-section-head>a{font-family:system-ui,sans-serif;font-size:.84rem}.catalog-header{display:flex;align-items:end;justify-content:space-between;gap:2rem;padding:3.5rem 0 2rem}.catalog-header h1{margin:.25rem 0 .75rem;font-size:3.2rem}.catalog-header p{max-width:650px;margin:0;color:var(--muted);line-height:1.75}.catalog-header>span{color:var(--muted);font-family:system-ui,sans-serif;font-size:.82rem}.filter-bar{display:flex;gap:2rem;padding:1rem 0;border-block:1px solid var(--line);font-family:system-ui,sans-serif;font-size:.84rem}.filter-bar b{color:var(--vermilion)}.catalog-content{padding:2rem 0 5rem}.catalog-content .test-grid,.web-section .test-grid{gap:1rem;border:0}.catalog-content .card-button,.web-section .card-button{overflow:hidden;border:1px solid var(--line);background:#fff;border-radius:8px}.catalog-content .course-row{padding:1.25rem 1rem}.course-grid{gap:1rem;border:0}.course-card{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff}
@media(max-width:960px){.desktop-nav{display:flex;margin-left:1.5rem;gap:1.25rem}.header-account>a:first-child{display:none}.web-hero-inner{grid-template-columns:1fr .75fr;gap:2rem}.portal{grid-template-columns:1fr}.portal>a:first-child{border-right:0;border-bottom:1px solid var(--line)}}
@media(max-width:700px){.header-inner{grid-template-columns:auto 1fr auto;gap:.75rem}.brand small{display:none}.desktop-nav{display:flex;justify-content:center;height:68px;margin:0;gap:1rem}.desktop-nav a{height:68px;font-size:.82rem}.header-account{gap:0}.header-account>a:first-child{display:none}.header-action{padding:.55rem .7rem;font-size:.72rem}.web-hero-inner{grid-template-columns:1fr;padding-block:3rem}.hero-feature{display:none}.web-hero h1{font-size:3rem}.portal{margin-top:1rem}.portal>a{padding:1.5rem 1rem}.portal h2{font-size:1.6rem}.catalog-header{align-items:start;flex-direction:column;padding-top:2.5rem}.catalog-header h1{font-size:2.5rem}.filter-bar{gap:1rem;overflow:auto;white-space:nowrap}.catalog-content .test-grid,.web-section .test-grid{grid-template-columns:1fr 1fr}.catalog-content{padding-top:1rem}.course-row{grid-template-columns:90px minmax(0,1fr) auto;gap:1rem}.course-row img{width:90px}.course-number{display:none}.course-side{min-width:72px}.course-side .btn{padding:.6rem .7rem}.web-section{padding:3rem 0}.mobile-nav{display:none}body{padding-bottom:0}}
@media(max-width:480px){.header-inner{grid-template-columns:36px 1fr auto}.brand>span:last-child{display:none}.desktop-nav{gap:.7rem}.desktop-nav a{font-size:.76rem}.header-action{display:none}.course-row{grid-template-columns:72px 1fr}.course-row img{width:72px}.course-side{grid-column:2;display:flex;align-items:center;justify-content:space-between;text-align:left}.course-side small{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}