:root{--ink:#10243b;--ink2:#183a57;--brand:#0b7894;--brand2:#3858c9;--accent:#e6a93b;--bg:#f5f8fb;--surface:#fff;--muted:#617386;--line:#dbe5ee;--ok:#138a66;--danger:#c84747;--radius:22px;--shadow:0 14px 38px rgba(16,36,59,.09);--max:1180px;color-scheme:light}
:root[data-theme="dark"]{--ink:#eaf4ff;--ink2:#c7d9ea;--bg:#071626;--surface:#0d2238;--muted:#94abc0;--line:#1f3c55;--shadow:0 14px 38px rgba(0,0,0,.28);color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Tahoma,Arial,"Noto Sans Arabic",sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 32px));margin-inline:auto}.skip{position:absolute;inset-inline-start:-9999px;top:8px;background:var(--surface);padding:10px 14px;border-radius:10px;z-index:100}.skip:focus{inset-inline-start:12px}.site-header{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid color-mix(in srgb,var(--line) 75%,transparent)}.header-row{display:flex;align-items:center;gap:18px;min-height:76px}.brand{display:flex;align-items:center;gap:11px;font-weight:900;white-space:nowrap}.brand img{width:45px;height:45px;border-radius:13px;box-shadow:0 8px 20px rgba(11,120,148,.22)}.brand small{display:block;font-size:11px;color:var(--muted);font-weight:700;margin-top:-4px}.nav{display:flex;align-items:center;gap:4px;margin-inline-start:auto}.nav a{padding:9px 12px;border-radius:12px;font-weight:800;font-size:14px;color:var(--ink2)}.nav a:hover,.nav a[aria-current="page"]{background:color-mix(in srgb,var(--brand) 11%,transparent);color:var(--brand)}.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);width:42px;height:42px;border-radius:13px;cursor:pointer;font-size:18px}.menu-btn{display:none}.hero{position:relative;overflow:hidden;padding:72px 0 48px;background:radial-gradient(circle at 85% 20%,rgba(56,88,201,.16),transparent 33%),radial-gradient(circle at 15% 20%,rgba(11,120,148,.18),transparent 28%)}.hero:before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(230,169,59,.22);border-radius:50%;left:-210px;top:-190px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}.kicker{display:inline-flex;align-items:center;gap:7px;background:color-mix(in srgb,var(--brand) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--brand) 28%,var(--line));color:var(--brand);padding:7px 12px;border-radius:999px;font-size:13px;font-weight:900}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.16;margin:18px 0 14px;letter-spacing:-1.6px}.hero h1 span{background:linear-gradient(100deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:18px;color:var(--muted);max-width:740px;margin:0 0 24px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:10px 18px;border-radius:14px;font-weight:900;border:1px solid transparent;cursor:pointer}.btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 28px rgba(11,120,148,.22)}.btn-secondary{background:var(--surface);border-color:var(--line)}.search-hero{display:flex;max-width:700px;background:var(--surface);border:1px solid var(--line);border-radius:17px;padding:6px;box-shadow:var(--shadow)}.search-hero input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit;padding:8px 12px;outline:0}.search-hero button{border:0;border-radius:12px;background:var(--ink);color:var(--bg);padding:8px 17px;font-weight:900;cursor:pointer}.hero-visual{position:relative;min-height:410px}.app-stack{position:absolute;inset:0;display:grid;place-items:center}.app-icon{position:absolute;width:240px;border-radius:52px;box-shadow:0 28px 65px rgba(16,36,59,.24);border:5px solid color-mix(in srgb,var(--surface) 72%,transparent)}.app-icon.books{transform:translate(65px,-50px) rotate(4deg)}.app-icon.exams{transform:translate(-65px,60px) rotate(-5deg);width:220px}.orbit{position:absolute;width:360px;height:360px;border-radius:50%;border:1px dashed color-mix(in srgb,var(--brand2) 35%,transparent);animation:spin 28s linear infinite}.orbit:after,.orbit:before{content:"";position:absolute;width:12px;height:12px;background:var(--accent);border-radius:50%;box-shadow:0 0 18px rgba(230,169,59,.7)}.orbit:after{top:40px;right:30px}.orbit:before{bottom:28px;left:48px}@keyframes spin{to{transform:rotate(360deg)}}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}.stat{background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid var(--line);border-radius:16px;padding:13px 15px}.stat b{display:block;font-size:24px;line-height:1.2;color:var(--brand)}.stat span{font-size:12px;color:var(--muted);font-weight:800}.section{padding:58px 0}.section.alt{background:color-mix(in srgb,var(--surface) 45%,var(--bg))}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head h2{font-size:clamp(28px,3vw,40px);margin:0 0 5px;line-height:1.25}.section-head p{margin:0;color:var(--muted);max-width:680px}.text-link{color:var(--brand);font-weight:900}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.feature-card{padding:22px}.feature-card .ico{width:50px;height:50px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 14%,transparent),color-mix(in srgb,var(--brand2) 12%,transparent));color:var(--brand);font-size:22px;font-weight:900}.feature-card h3{margin:13px 0 5px}.feature-card p{margin:0;color:var(--muted);font-size:14px}.stage-card{padding:22px;position:relative;overflow:hidden}.stage-card:after{content:"";position:absolute;width:130px;height:130px;border-radius:50%;background:color-mix(in srgb,var(--brand) 7%,transparent);left:-45px;bottom:-55px}.stage-card b{font-size:29px;color:var(--brand)}.stage-card h3{margin:4px 0}.stage-card p{color:var(--muted);margin:0 0 12px}.book-card{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:14px;align-items:center}.book-cover{width:92px;height:125px;border-radius:12px;background:linear-gradient(145deg,#0c334d,#0b7894);overflow:hidden;display:grid;place-items:center;color:#fff;font-size:32px;border:1px solid color-mix(in srgb,var(--line) 70%,transparent)}.book-cover img{width:100%;height:100%;object-fit:contain;background:#fff}.book-card h3{font-size:16px;line-height:1.5;margin:0 0 5px}.meta{display:flex;flex-wrap:wrap;gap:6px;color:var(--muted);font-size:12px}.chip{display:inline-flex;align-items:center;gap:5px;background:color-mix(in srgb,var(--brand) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--brand) 15%,var(--line));padding:4px 8px;border-radius:999px;font-size:11px;font-weight:800}.subject-card{padding:18px;display:flex;align-items:center;gap:13px}.subject-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:linear-gradient(140deg,color-mix(in srgb,var(--brand) 14%,transparent),color-mix(in srgb,var(--brand2) 13%,transparent));color:var(--brand);font-weight:900}.subject-card h3{font-size:16px;margin:0}.subject-card p{margin:2px 0 0;color:var(--muted);font-size:12px}.article-card{overflow:hidden}.article-thumb{height:140px;display:flex;align-items:end;padding:18px;background:radial-gradient(circle at 15% 20%,rgba(230,169,59,.27),transparent 35%),linear-gradient(135deg,#0b7894,#2448aa);color:#fff}.article-thumb b{font-size:34px}.article-body{padding:18px}.article-body h3{margin:0 0 7px;line-height:1.45}.article-body p{margin:0;color:var(--muted);font-size:14px}.app-card{padding:22px;display:grid;grid-template-columns:116px 1fr;gap:22px;align-items:center}.app-card img{width:116px;height:116px;border-radius:28px}.app-card h3{margin:0 0 7px;font-size:22px}.app-card p{color:var(--muted);margin:0 0 13px}.page-hero{padding:48px 0 32px;background:radial-gradient(circle at 80% 10%,rgba(56,88,201,.14),transparent 32%)}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:12px}.breadcrumbs a{color:var(--brand);font-weight:800}.page-hero h1{font-size:clamp(32px,4vw,52px);line-height:1.25;margin:0 0 10px}.page-hero p{max-width:820px;color:var(--muted);font-size:17px;margin:0}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start}.sidebar{position:sticky;top:96px}.side-card{padding:18px;margin-bottom:15px}.side-card h3{font-size:16px;margin:0 0 10px}.side-card ul{list-style:none;padding:0;margin:0}.side-card li+li{border-top:1px solid var(--line)}.side-card a{display:block;padding:9px 0;font-size:13px;color:var(--ink2);font-weight:700}.prose{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,4vw,42px);box-shadow:var(--shadow)}.prose h2{font-size:28px;margin:32px 0 10px;line-height:1.35}.prose h2:first-child{margin-top:0}.prose h3{font-size:20px;margin:24px 0 8px}.prose p{margin:0 0 16px}.prose ul,.prose ol{padding-inline-start:24px}.prose li{margin-bottom:8px}.note{padding:16px 18px;border-radius:16px;background:color-mix(in srgb,var(--accent) 12%,var(--surface));border:1px solid color-mix(in srgb,var(--accent) 36%,var(--line));margin:20px 0}.cta{padding:28px;background:linear-gradient(120deg,#0b7894,#3858c9);color:white;border-radius:25px;display:flex;align-items:center;justify-content:space-between;gap:18px}.cta h2{margin:0 0 5px}.cta p{margin:0;color:rgba(255,255,255,.8)}.cta .btn{background:#fff;color:#143047}.book-detail{display:grid;grid-template-columns:280px 1fr;gap:34px;align-items:start}.book-detail .cover-big{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)}.cover-big img{width:100%;aspect-ratio:3/4;object-fit:contain}.cover-fallback{aspect-ratio:3/4;border-radius:16px;background:linear-gradient(145deg,#0d3249,#0b7894);color:#fff;display:grid;place-items:center;text-align:center;padding:20px;font-size:24px;font-weight:900}.detail-panel h1{font-size:clamp(30px,4vw,46px);line-height:1.3;margin:0 0 10px}.detail-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:22px 0}.detail-item{padding:12px 14px;background:var(--surface);border:1px solid var(--line);border-radius:14px}.detail-item small{display:block;color:var(--muted);font-size:11px}.detail-item b{font-size:14px}.download-box{background:color-mix(in srgb,var(--brand) 7%,var(--surface));border:1px solid color-mix(in srgb,var(--brand) 22%,var(--line));border-radius:18px;padding:18px;margin-top:20px}.download-box p{margin:0 0 12px;color:var(--muted)}.exam-file{padding:16px;display:flex;align-items:center;gap:12px}.exam-file .pdf{width:45px;height:45px;border-radius:13px;display:grid;place-items:center;background:#fff0f0;color:#c84747;font-weight:900}.exam-file h3{font-size:15px;margin:0}.exam-file p{font-size:12px;color:var(--muted);margin:2px 0 0}.exam-file .btn{margin-inline-start:auto;min-height:40px;padding:7px 12px;font-size:12px}.search-panel{padding:18px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.filter-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:7px 11px;font-weight:800;cursor:pointer}.filter-btn.active{background:var(--brand);border-color:var(--brand);color:#fff}.search-input{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:14px 16px;border-radius:14px;font:inherit;outline:0}.result{padding:15px;margin-top:10px}.result small{color:var(--brand);font-weight:900}.result h3{margin:2px 0 5px;font-size:17px}.result p{margin:0;color:var(--muted);font-size:13px}.footer{margin-top:40px;background:#08192b;color:#dbe8f4;padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer .brand{color:#fff}.footer p{color:#91a7bc;font-size:14px;max-width:410px}.footer h3{font-size:15px;margin:0 0 12px;color:#fff}.footer a{display:block;color:#b7c8d9;font-size:13px;padding:4px 0}.footer a:hover{color:white}.footer-bottom{border-top:1px solid #1b344b;margin-top:28px;padding-top:18px;font-size:12px;color:#8299ad;display:flex;justify-content:space-between;gap:15px}.empty{padding:30px;text-align:center;color:var(--muted)}.mobile-nav{display:none}.muted{color:var(--muted)}.center{text-align:center}.mb-0{margin-bottom:0}.mt-24{margin-top:24px}
@media(max-width:920px){.nav{display:none;position:absolute;top:76px;left:16px;right:16px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.menu-btn{display:inline-grid;place-items:center;margin-inline-start:auto}.header-row>.theme-btn{margin-inline-start:0}.hero-grid,.content-layout,.book-detail{grid-template-columns:1fr}.hero-visual{min-height:330px;order:-1}.app-icon{width:195px}.app-icon.books{transform:translate(55px,-32px) rotate(4deg)}.app-icon.exams{width:178px;transform:translate(-55px,58px) rotate(-5deg)}.orbit{width:300px;height:300px}.stats{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.sidebar{position:static}.app-card{grid-template-columns:90px 1fr}.app-card img{width:90px;height:90px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.container{width:min(100% - 22px,var(--max))}.header-row{min-height:68px}.brand img{width:40px;height:40px}.brand span{font-size:14px}.brand small{display:none}.hero{padding:42px 0 32px}.hero h1{font-size:39px;letter-spacing:-.8px}.hero p{font-size:16px}.hero-visual{min-height:280px}.app-icon{width:165px;border-radius:37px}.app-icon.books{transform:translate(43px,-25px) rotate(4deg)}.app-icon.exams{width:150px;transform:translate(-45px,48px) rotate(-5deg)}.orbit{width:250px;height:250px}.section{padding:42px 0}.section-head{align-items:start;flex-direction:column}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.book-card{grid-template-columns:78px 1fr}.book-cover{width:78px;height:105px}.app-card{grid-template-columns:1fr;text-align:center}.app-card img{margin:auto;width:100px;height:100px}.cta{align-items:stretch;flex-direction:column}.detail-list{grid-template-columns:1fr}.exam-file{align-items:flex-start;flex-wrap:wrap}.exam-file .btn{margin-inline-start:57px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.prose{padding:20px}.page-hero{padding-top:34px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* 2026-08 redesign: clearer education visual, privacy cards, and resilient cover fallbacks */
.scope-strip{border-block:1px solid var(--line);background:linear-gradient(90deg,color-mix(in srgb,var(--brand) 8%,var(--surface)),color-mix(in srgb,var(--brand2) 7%,var(--surface)))}
.scope-row{display:grid;grid-template-columns:auto 1fr auto;gap:15px;align-items:center;padding-block:18px}.scope-row p{margin:3px 0 0;color:var(--muted);font-size:14px}.scope-icon{width:46px;height:46px;border-radius:14px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;font-size:22px;box-shadow:var(--shadow)}
.platform-visual{position:relative;min-height:430px;isolation:isolate}.visual-glow{position:absolute;inset:52px 22px 35px;border-radius:50%;background:radial-gradient(circle,rgba(32,200,247,.22),rgba(56,88,201,.09) 45%,transparent 70%);filter:blur(8px);z-index:-2}.platform-visual:before,.platform-visual:after{content:"";position:absolute;border-radius:50%;border:1px solid color-mix(in srgb,var(--brand) 25%,transparent);z-index:-1}.platform-visual:before{width:340px;height:340px;inset:38px auto auto 38px}.platform-visual:after{width:270px;height:270px;inset:72px 58px auto auto;border-style:dashed;animation:spin 34s linear infinite}.visual-card{position:absolute;display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:center;background:color-mix(in srgb,var(--surface) 94%,transparent);border:1px solid color-mix(in srgb,var(--brand) 18%,var(--line));border-radius:24px;padding:13px 16px;width:min(340px,82%);box-shadow:0 24px 60px rgba(9,45,74,.18);backdrop-filter:blur(12px)}.visual-card img{width:88px;height:88px;border-radius:22px;box-shadow:0 10px 24px rgba(0,0,0,.14)}.visual-card small{display:block;color:var(--brand);font-weight:900;font-size:11px}.visual-card strong{display:block;font-size:18px;line-height:1.35;margin:3px 0}.visual-card span{display:block;color:var(--muted);font-size:12px;font-weight:700}.visual-books{top:18px;right:10px;transform:rotate(2deg)}.visual-exams{bottom:25px;left:4px;transform:rotate(-2deg)}.visual-center{position:absolute;left:50%;top:51%;transform:translate(-50%,-50%);width:185px;height:185px;border-radius:50%;background:linear-gradient(145deg,#08243d,#0b7894 58%,#3858c9);border:5px solid color-mix(in srgb,var(--surface) 82%,transparent);box-shadow:0 25px 70px rgba(9,75,112,.28);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:white}.visual-center img{width:68px;height:68px;border-radius:19px;margin-bottom:8px}.visual-center b{font-size:14px}.visual-center span{font-size:10px;opacity:.82}.visual-pill{position:absolute;padding:7px 11px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:11px;font-weight:900;box-shadow:0 10px 28px rgba(16,36,59,.12)}.pill-one{left:35px;top:102px}.pill-two{right:16px;bottom:104px}
.book-cover.cover-error:after,.cover-big.cover-error:after{content:"📘";display:grid;place-items:center;width:100%;height:100%;font-size:34px;background:linear-gradient(145deg,#0c334d,#0b7894);color:white}
.privacy-summary{padding:26px;display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:center;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 9%,var(--surface)),var(--surface));}.privacy-summary h2{margin:10px 0 6px;font-size:28px}.privacy-summary p{margin:0;color:var(--muted)}.privacy-badges{display:flex;flex-direction:column;gap:9px}.privacy-badges span{background:var(--surface);border:1px solid var(--line);padding:9px 12px;border-radius:13px;font-size:12px;font-weight:900}
@media(max-width:900px){.platform-visual{min-height:390px;max-width:560px;margin:auto}.scope-row{grid-template-columns:auto 1fr}.scope-row>a{grid-column:2}.privacy-summary{grid-template-columns:1fr}.privacy-badges{display:grid;grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.platform-visual{min-height:365px}.visual-card{grid-template-columns:66px 1fr;width:86%;padding:10px 12px}.visual-card img{width:66px;height:66px;border-radius:17px}.visual-card strong{font-size:15px}.visual-card span{font-size:10px}.visual-center{width:145px;height:145px}.visual-center img{width:52px;height:52px}.visual-books{right:0}.visual-exams{left:0}.visual-pill{display:none}.scope-row{grid-template-columns:1fr;text-align:center}.scope-icon{margin:auto}.scope-row>a{grid-column:auto}.privacy-badges{grid-template-columns:1fr}}

/* UX refresh */
.hero{padding:68px 0 54px;background:radial-gradient(circle at 82% 18%,rgba(56,88,201,.13),transparent 30%),radial-gradient(circle at 8% 15%,rgba(11,120,148,.14),transparent 28%),linear-gradient(180deg,color-mix(in srgb,var(--surface) 42%,var(--bg)),var(--bg))}
.hero-grid{grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:52px}.hero-copy{position:relative;z-index:2}.hero h1{max-width:760px}.hero-lead{max-width:700px}.hero-showcase{position:relative;overflow:hidden;background:linear-gradient(155deg,#081c31 0%,#0b3858 52%,#134a77 100%);border:1px solid rgba(255,255,255,.13);border-radius:32px;padding:22px;min-height:410px;color:#fff;box-shadow:0 34px 80px rgba(7,33,58,.28);isolation:isolate}.hero-showcase:before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(32,200,247,.28),transparent 67%);right:-100px;top:-100px;z-index:-1}.hero-showcase:after{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(255,255,255,.10);border-radius:50%;left:-155px;bottom:-195px;z-index:-1}.showcase-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.showcase-brand{display:flex;align-items:center;gap:10px;font-weight:900}.showcase-brand img{width:44px;height:44px;border-radius:13px;box-shadow:0 10px 26px rgba(0,0,0,.22)}.showcase-status{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:800;color:#d9f7ff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);padding:6px 9px;border-radius:999px}.showcase-status:before{content:"";width:7px;height:7px;background:#36e6ad;border-radius:50%;box-shadow:0 0 12px rgba(54,230,173,.85)}.showcase-search{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.96);color:#496174;border-radius:15px;padding:11px 13px;font-size:12px;margin-bottom:14px;box-shadow:0 12px 28px rgba(0,0,0,.12)}.showcase-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.showcase-tile{position:relative;overflow:hidden;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.13);border-radius:20px;padding:15px;min-height:185px;display:flex;flex-direction:column;justify-content:space-between;backdrop-filter:blur(8px)}.showcase-tile img{width:76px;height:76px;border-radius:19px;box-shadow:0 14px 30px rgba(0,0,0,.24)}.showcase-tile small{color:#9ddff4;font-size:10px;font-weight:900}.showcase-tile strong{font-size:17px;line-height:1.35;display:block;margin:3px 0}.showcase-tile span{font-size:11px;color:#c7d9e7}.showcase-tile .tile-arrow{position:absolute;left:13px;top:13px;width:27px;height:27px;border-radius:9px;display:grid;place-items:center;background:rgba(255,255,255,.1);font-size:14px}.showcase-foot{display:flex;justify-content:space-between;gap:10px;margin-top:14px;font-size:10px;color:#d5e7f4}.showcase-foot span{background:rgba(255,255,255,.07);padding:6px 9px;border-radius:10px;border:1px solid rgba(255,255,255,.09)}
.scope-strip{border-block:1px solid var(--line);background:color-mix(in srgb,var(--brand) 6%,var(--surface))}.scope-row{display:grid;grid-template-columns:auto 1fr auto;gap:15px;align-items:center;padding:18px 0}.scope-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:white}.scope-row b{display:block}.scope-row p{margin:2px 0 0;color:var(--muted);font-size:13px}
.privacy-summary{padding:24px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.privacy-summary h2{margin:8px 0 5px}.privacy-summary p{margin:0;color:var(--muted)}.privacy-badges{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.privacy-badges span{font-size:11px;font-weight:900;border:1px solid var(--line);background:var(--bg);padding:7px 10px;border-radius:999px}
.article-meta{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}.article-meta span{font-size:12px;font-weight:800;color:var(--muted);background:var(--bg);border:1px solid var(--line);padding:6px 9px;border-radius:999px}.article-toc{background:color-mix(in srgb,var(--brand) 6%,var(--surface));border:1px solid color-mix(in srgb,var(--brand) 18%,var(--line));border-radius:17px;padding:16px 18px;margin:18px 0 28px}.article-toc b{display:block;margin-bottom:7px}.article-toc ol{margin:0;padding-inline-start:22px}.article-toc a{color:var(--brand);font-weight:800;font-size:14px}.editorial-note{font-size:13px;color:var(--muted);padding-top:16px;border-top:1px solid var(--line);margin-top:28px}
.download-box .btn-primary{min-width:190px}.download-hint{font-size:12px!important}.detail-item b{font-size:15px}.detail-list{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:920px){.hero-grid{grid-template-columns:1fr}.hero-visual{order:0;min-height:0}.hero-showcase{min-height:0;max-width:650px;margin:4px auto 0}.privacy-summary{grid-template-columns:1fr}.privacy-badges{justify-content:flex-start}}
@media(max-width:620px){.hero{padding:34px 0 30px}.hero h1{font-size:34px;line-height:1.22;letter-spacing:-.45px;margin-top:14px}.hero p{font-size:15.5px}.hero-actions .btn{flex:1 1 150px}.hero-showcase{border-radius:24px;padding:15px}.showcase-head{margin-bottom:12px}.showcase-brand img{width:38px;height:38px}.showcase-brand{font-size:13px}.showcase-status{font-size:9px}.showcase-search{font-size:11px;padding:9px 11px}.showcase-grid{gap:9px}.showcase-tile{min-height:154px;padding:11px;border-radius:17px}.showcase-tile img{width:59px;height:59px;border-radius:15px}.showcase-tile strong{font-size:14px}.showcase-tile span{font-size:9px}.showcase-tile .tile-arrow{width:23px;height:23px;font-size:12px}.showcase-foot{font-size:9px;flex-wrap:wrap}.stats{margin-top:20px}.stat b{font-size:21px}.scope-row{grid-template-columns:1fr;text-align:center}.scope-icon{margin:auto}.scope-row>a{grid-column:auto}.privacy-badges{display:grid;grid-template-columns:1fr}.detail-list{grid-template-columns:1fr}.download-box .hero-actions{display:grid;grid-template-columns:1fr}.download-box .btn{width:100%}}

/* ===== V4 premium visual system ===== */
:root{--brand:#0878ff;--brand2:#6946ee;--brand3:#00bfe8;--accent:#f6b942;--bg:#f3f7fc;--surface:#ffffff;--ink:#0e2138;--ink2:#264866;--muted:#6f8498;--line:#d9e6f1;--shadow:0 18px 50px rgba(23,69,111,.10)}
:root[data-theme="dark"]{--bg:#050b17;--surface:#0c1830;--ink:#f4f8ff;--ink2:#c9dbef;--muted:#91a7bf;--line:#1c3554;--shadow:0 22px 60px rgba(0,0,0,.34)}
body{background:radial-gradient(circle at 85% 0,color-mix(in srgb,var(--brand) 7%,transparent),transparent 28%),var(--bg)}
.site-header{background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom-color:color-mix(in srgb,var(--brand) 16%,var(--line));box-shadow:0 8px 30px rgba(0,0,0,.035)}
.brand img{border-radius:15px;box-shadow:0 10px 28px rgba(8,120,255,.28)}
.nav a:hover,.nav a[aria-current="page"]{background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 12%,transparent),color-mix(in srgb,var(--brand2) 8%,transparent));color:var(--brand)}
.hero-v4{padding:78px 0 66px;min-height:650px;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 7%,var(--bg)),var(--bg) 46%,color-mix(in srgb,var(--brand2) 7%,var(--bg)));position:relative;isolation:isolate}
.hero-v4:before{content:"";position:absolute;inset:0;background-image:linear-gradient(color-mix(in srgb,var(--brand) 8%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--brand2) 7%,transparent) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.5),transparent 88%);pointer-events:none}
.hero-mesh{position:absolute;inset:0;overflow:hidden;z-index:-1}.hero-mesh:before,.hero-mesh:after{content:"";position:absolute;border-radius:50%;filter:blur(10px)}.hero-mesh:before{width:420px;height:420px;right:-120px;top:40px;background:radial-gradient(circle,rgba(0,191,232,.21),transparent 67%)}.hero-mesh:after{width:520px;height:520px;left:-230px;bottom:-220px;background:radial-gradient(circle,rgba(105,70,238,.18),transparent 69%)}
.hero-grid-v4{grid-template-columns:minmax(0,1.03fr) minmax(390px,.97fr);gap:58px}.kicker-v4{background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 11%,var(--surface)),color-mix(in srgb,var(--brand2) 8%,var(--surface)));border-color:color-mix(in srgb,var(--brand) 28%,var(--line));box-shadow:0 8px 30px color-mix(in srgb,var(--brand) 8%,transparent)}
.hero-copy-v4 h1{font-size:clamp(42px,5.6vw,76px);letter-spacing:-1.8px}.hero-copy-v4 h1 span{background:linear-gradient(100deg,#00bfe8 0%,#0878ff 45%,#7c3aed 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-copy-v4 .hero-lead{font-size:18px;line-height:1.95}.btn-glow{background:linear-gradient(120deg,#00aee8,#0878ff 48%,#5f47e8);box-shadow:0 16px 36px rgba(8,120,255,.27),inset 0 1px rgba(255,255,255,.22)}.btn-glass{background:color-mix(in srgb,var(--surface) 86%,transparent);backdrop-filter:blur(12px);border-color:color-mix(in srgb,var(--brand) 18%,var(--line))}.search-hero-v4{border-radius:19px;padding:7px 8px 7px 12px;border-color:color-mix(in srgb,var(--brand) 20%,var(--line));box-shadow:0 18px 42px rgba(23,69,111,.11)}.search-hero-v4>span{display:grid;place-items:center;font-size:20px;color:var(--brand);padding-inline:5px}.search-hero-v4 button{background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff;border-radius:13px;padding-inline:22px}.stats-v4 .stat{position:relative;overflow:hidden;border-color:color-mix(in srgb,var(--brand) 12%,var(--line));background:color-mix(in srgb,var(--surface) 93%,transparent)}.stats-v4 .stat:after{content:"";position:absolute;inset-inline-end:-25px;bottom:-40px;width:80px;height:80px;border-radius:50%;background:color-mix(in srgb,var(--brand) 7%,transparent)}.stats-v4 .stat b{background:linear-gradient(100deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-visual-v4{min-height:510px;display:grid;place-items:center}.premium-board{position:relative;width:min(100%,520px);min-height:500px;border-radius:38px;padding:24px;background:linear-gradient(145deg,#071a35 0%,#0b3762 47%,#332168 100%);border:1px solid rgba(255,255,255,.16);box-shadow:0 42px 100px rgba(4,21,51,.42),inset 0 1px rgba(255,255,255,.12);overflow:hidden;color:white;isolation:isolate}.premium-board:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.13) 1px,transparent 0);background-size:26px 26px;mask-image:linear-gradient(130deg,#000,transparent 72%);z-index:-1}.board-glow{position:absolute;border-radius:50%;filter:blur(4px);z-index:-1}.board-glow-a{width:280px;height:280px;right:-110px;top:-85px;background:radial-gradient(circle,rgba(0,198,255,.42),transparent 68%)}.board-glow-b{width:320px;height:320px;left:-130px;bottom:-125px;background:radial-gradient(circle,rgba(126,70,255,.38),transparent 69%)}.board-top{display:flex;align-items:center;justify-content:space-between;gap:14px}.board-logo{display:flex;align-items:center;gap:10px}.board-logo img{width:50px;height:50px;border-radius:16px;box-shadow:0 12px 30px rgba(0,0,0,.28)}.board-logo b{font-size:15px}.board-chip{font-size:10px;font-weight:900;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.13);color:#c9f4ff}.board-search{display:flex;align-items:center;gap:10px;margin:22px 0 16px;background:rgba(255,255,255,.97);color:#42637f;padding:13px 15px;border-radius:17px;font-size:12px;box-shadow:0 18px 38px rgba(0,0,0,.17)}.board-card{display:grid;grid-template-columns:84px 1fr auto;align-items:center;gap:14px;padding:14px;border-radius:22px;background:rgba(255,255,255,.095);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(12px);transition:.2s ease;box-shadow:inset 0 1px rgba(255,255,255,.04)}.board-card+.board-card{margin-top:12px}.board-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.13)}.board-icon-wrap{width:84px;height:84px;border-radius:22px;padding:6px;display:grid;place-items:center}.board-icon-wrap.blue{background:linear-gradient(145deg,rgba(0,194,255,.26),rgba(8,120,255,.08))}.board-icon-wrap.violet{background:linear-gradient(145deg,rgba(164,80,255,.28),rgba(103,70,238,.08))}.board-icon-wrap img{width:72px;height:72px;border-radius:18px;box-shadow:0 12px 28px rgba(0,0,0,.22)}.board-card small{color:#9fe9ff;font-size:10px;font-weight:900}.board-card strong{display:block;font-size:19px;line-height:1.35;margin:3px 0}.board-card span{font-size:11px;color:#c7daed}.board-card em{width:34px;height:34px;border-radius:12px;background:rgba(255,255,255,.10);display:grid;place-items:center;font-style:normal}.board-footer{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.board-footer span{font-size:10px;font-weight:800;background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.10);padding:6px 9px;border-radius:999px;color:#d8e8f7}
.scope-strip-v4{background:linear-gradient(90deg,color-mix(in srgb,var(--brand) 8%,var(--surface)),color-mix(in srgb,var(--brand2) 6%,var(--surface)));border-color:color-mix(in srgb,var(--brand) 14%,var(--line))}.section-eyebrow{display:inline-block;color:var(--brand);font-size:12px;font-weight:900;margin-bottom:5px}.stage-grid-v4 .stage-card{min-height:190px;border-color:color-mix(in srgb,var(--brand) 12%,var(--line));background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--brand) 4%,var(--surface)));transition:.22s ease}.stage-grid-v4 .stage-card:hover{transform:translateY(-5px);box-shadow:0 24px 55px rgba(8,120,255,.12);border-color:color-mix(in srgb,var(--brand) 35%,var(--line))}.stage-grid-v4 .stage-card b{display:inline-grid;place-items:center;min-width:56px;height:56px;padding-inline:10px;border-radius:18px;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 13%,var(--surface)),color-mix(in srgb,var(--brand2) 10%,var(--surface)));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--brand) 13%,transparent)}.benefits-v4,.articles-v4{background:linear-gradient(180deg,color-mix(in srgb,var(--brand) 3%,var(--surface)),color-mix(in srgb,var(--brand2) 3%,var(--surface)))}.feature-v4{position:relative;overflow:hidden;min-height:190px;transition:.22s ease;border-color:color-mix(in srgb,var(--brand) 10%,var(--line))}.feature-v4:after{content:"";position:absolute;width:110px;height:110px;border-radius:50%;left:-48px;bottom:-58px;background:color-mix(in srgb,var(--brand2) 7%,transparent)}.feature-v4:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--brand) 34%,var(--line));box-shadow:0 22px 52px rgba(23,69,111,.12)}.latest-v4 .book-card{transition:.22s ease}.latest-v4 .book-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--brand) 28%,var(--line));box-shadow:0 22px 48px rgba(23,69,111,.12)}.article-card{transition:.22s ease}.article-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--brand2) 24%,var(--line));box-shadow:0 22px 52px rgba(53,47,130,.12)}.article-thumb{background:radial-gradient(circle at 16% 18%,rgba(255,199,86,.32),transparent 32%),linear-gradient(135deg,#0878ff 0%,#0aa5d8 48%,#6b46e9 100%)}.cta-v4{background:radial-gradient(circle at 10% 0,rgba(255,255,255,.18),transparent 30%),linear-gradient(115deg,#0878ff,#008ebd 46%,#6546df);box-shadow:0 24px 60px rgba(8,120,255,.22)}.cta-v4>div>span{font-size:12px;font-weight:900;color:#c7efff}
.subject-card-cover{display:grid;grid-template-columns:82px 1fr;gap:16px;padding:13px;min-height:112px;overflow:hidden;transition:.2s ease}.subject-card-cover:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 30%,var(--line));box-shadow:0 20px 44px rgba(23,69,111,.12)}.subject-cover-thumb{width:82px;height:96px;border-radius:15px;overflow:hidden;background:linear-gradient(145deg,#0b355a,#0878ff);display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--line) 60%,transparent)}.subject-cover-thumb img{width:100%;height:100%;object-fit:contain;background:#fff}.subject-cover-thumb.cover-error:after{content:"📘";color:#fff;font-size:30px}.subject-cover-fallback{font-size:30px}.subject-card-copy{min-width:0}.subject-card-copy h3{font-size:18px;margin:4px 0 3px}.subject-card-copy p{font-size:12px;margin:0 0 8px}.subject-open{font-size:11px;color:var(--brand);font-weight:900}
.book-detail{border-radius:30px}.detail-panel{border-color:color-mix(in srgb,var(--brand) 12%,var(--line))}.download-box{border-radius:19px;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 6%,var(--surface)),color-mix(in srgb,var(--brand2) 5%,var(--surface)));border:1px solid color-mix(in srgb,var(--brand) 14%,var(--line));padding:16px}.download-hint{color:var(--muted)}
.prose{border-color:color-mix(in srgb,var(--brand) 8%,var(--line))}.privacy-summary{background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 8%,var(--surface)),color-mix(in srgb,var(--brand2) 5%,var(--surface)))}
@media(max-width:920px){.hero-v4{padding-top:42px}.hero-grid-v4{grid-template-columns:1fr;gap:36px}.hero-copy-v4{text-align:center}.hero-copy-v4 .hero-lead{margin-inline:auto}.hero-actions-v4,.search-hero-v4{margin-inline:auto}.stats-v4{max-width:720px;margin-inline:auto}.hero-visual-v4{min-height:0}.premium-board{max-width:600px}}
@media(max-width:640px){.hero-v4{padding:34px 0 38px}.hero-copy-v4 h1{font-size:37px;line-height:1.25;letter-spacing:-.6px}.hero-copy-v4 .hero-lead{font-size:15.5px;line-height:1.9}.kicker-v4{font-size:11px}.premium-board{border-radius:27px;padding:15px;min-height:0}.board-top{align-items:flex-start}.board-chip{font-size:9px}.board-logo b{font-size:12px}.board-logo img{width:42px;height:42px}.board-search{margin:15px 0 11px;padding:10px 12px}.board-card{grid-template-columns:68px 1fr 28px;gap:10px;padding:10px;border-radius:18px}.board-icon-wrap{width:68px;height:68px;border-radius:18px}.board-icon-wrap img{width:58px;height:58px;border-radius:15px}.board-card strong{font-size:15px}.board-card span{font-size:9.5px}.board-card em{width:28px;height:28px}.board-footer{gap:5px}.board-footer span{font-size:8.7px;padding:5px 7px}.stats-v4{grid-template-columns:repeat(2,1fr)}.stage-grid-v4{grid-template-columns:1fr}.feature-v4{min-height:0}.subject-card-cover{grid-template-columns:76px 1fr}.subject-cover-thumb{width:76px;height:92px}.section{padding:46px 0}}


/* ===== V5: premium orbit homepage + refined cards ===== */
:root{--v5-cyan:#00d7ff;--v5-blue:#2b66ff;--v5-violet:#7b4dff;--v5-gold:#f2c46f;--v5-night:#030a18;--v5-night2:#07172f}
.card{border-radius:24px;box-shadow:0 16px 46px rgba(15,52,92,.10);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.card:hover{transform:translateY(-3px);box-shadow:0 24px 58px rgba(15,52,92,.15);border-color:color-mix(in srgb,var(--brand) 24%,var(--line))}
.hero-v5{position:relative;overflow:hidden;padding:58px 0 52px;background:linear-gradient(155deg,#020714 0%,#04152b 54%,#071d39 100%);color:#fff;border-bottom:1px solid rgba(51,154,255,.20)}.hero-v5-bg{position:absolute;inset:0;pointer-events:none}.hero-v5-bg:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.11) 1px,transparent 0);background-size:34px 34px;mask-image:linear-gradient(to bottom,#000,transparent 78%)}.hero-v5-bg i{position:absolute;border-radius:50%;filter:blur(2px)}.hero-v5-bg i:nth-child(1){width:620px;height:620px;right:-310px;top:-310px;background:radial-gradient(circle,rgba(0,212,255,.17),transparent 68%)}.hero-v5-bg i:nth-child(2){width:560px;height:560px;left:-280px;bottom:-300px;background:radial-gradient(circle,rgba(123,77,255,.18),transparent 70%)}.hero-v5-bg i:nth-child(3){width:300px;height:300px;left:42%;top:25%;background:radial-gradient(circle,rgba(43,102,255,.10),transparent 72%)}
.hero-v5-wrap{position:relative;z-index:1;text-align:center}.hero-v5-copy{max-width:900px;margin:0 auto}.kicker-v5{display:inline-flex;padding:8px 15px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(122,202,255,.18);color:#c8ecff;font-size:12px;font-weight:900;backdrop-filter:blur(10px)}.hero-v5 h1{font-size:clamp(40px,6vw,76px);line-height:1.05;margin:18px 0 5px;letter-spacing:-1.8px;text-shadow:0 12px 46px rgba(0,0,0,.25)}.hero-v5-titleline{font-size:clamp(24px,3.4vw,42px)!important;line-height:1.35!important;margin:0 auto 12px!important;color:#e5f3ff!important;font-weight:900}.hero-v5-titleline span{background:linear-gradient(90deg,var(--v5-cyan),#4f8cff 52%,#9c6cff);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-v5-lead{max-width:820px!important;margin:0 auto!important;font-size:17px!important;line-height:1.9!important;color:#9fb7d1!important}.hero-v5-lead b{color:#d9edff}
.orbit-stage{position:relative;width:min(760px,100%);height:455px;margin:26px auto 16px}.orbit-ring{position:absolute;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none}.ring-one{width:420px;height:420px;border:1px solid rgba(91,169,255,.22);box-shadow:inset 0 0 70px rgba(0,197,255,.035)}.ring-two{width:570px;height:300px;border:1px dashed rgba(140,104,255,.22);transform:translate(-50%,-50%) rotate(-8deg)}.orbit-stars b{position:absolute;color:#b8e9ff;text-shadow:0 0 18px rgba(0,213,255,.9)}.orbit-stars b:nth-child(1){left:18%;top:18%;font-size:20px}.orbit-stars b:nth-child(2){right:18%;top:12%;font-size:25px}.orbit-stars b:nth-child(3){left:12%;bottom:25%;font-size:22px}.orbit-stars b:nth-child(4){right:13%;bottom:19%;font-size:17px}.orbit-core{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);width:188px;height:188px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 30%,rgba(30,185,255,.30),rgba(9,43,87,.98) 58%,#07192f 100%);border:1px solid rgba(155,218,255,.32);box-shadow:0 0 0 12px rgba(20,113,210,.055),0 0 70px rgba(0,198,255,.20),inset 0 0 42px rgba(69,130,255,.20)}.orbit-core .core-halo{position:absolute;inset:-18px;border-radius:50%;border:1px solid rgba(109,178,255,.14)}.orbit-core img{width:76px;height:76px;border-radius:22px;box-shadow:0 16px 34px rgba(0,0,0,.35)}.orbit-core strong{font-size:16px;margin-top:8px}.orbit-core small{font-size:9px;color:#99b6d3;margin-top:2px}.orbit-card{position:absolute;z-index:4;width:220px;height:220px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(14px);transition:transform .28s ease,box-shadow .28s ease;box-shadow:0 28px 65px rgba(0,0,0,.35),inset 0 1px rgba(255,255,255,.14);overflow:hidden}.orbit-card:before{content:"";position:absolute;inset:7px;border-radius:50%;border:1px solid rgba(255,255,255,.09)}.orbit-card .orbit-glow{position:absolute;inset:-40%;border-radius:50%;filter:blur(18px);opacity:.50;z-index:-1}.orbit-card img{width:88px;height:88px;border-radius:25px;box-shadow:0 15px 34px rgba(0,0,0,.30);margin-bottom:8px}.orbit-card div{position:relative;z-index:2;text-align:center;line-height:1.35}.orbit-card small{display:block;font-size:9px;font-weight:900;color:#b8eeff}.orbit-card strong{display:block;font-size:17px;margin:3px 0}.orbit-card em{display:block;font-size:10px;color:#c8d8eb;font-style:normal}.orbit-books{right:4%;top:50%;transform:translateY(-50%);background:radial-gradient(circle at 35% 20%,rgba(0,215,255,.31),rgba(13,55,112,.94) 54%,rgba(7,25,53,.98))}.orbit-books .orbit-glow{background:radial-gradient(circle,#00d7ff,transparent 64%)}.orbit-exams{left:4%;top:50%;transform:translateY(-50%);background:radial-gradient(circle at 35% 20%,rgba(153,91,255,.36),rgba(62,42,125,.95) 55%,rgba(20,18,58,.98))}.orbit-exams .orbit-glow{background:radial-gradient(circle,#8253ff,transparent 64%)}.orbit-books:hover{transform:translateY(-50%) scale(1.035);box-shadow:0 30px 75px rgba(0,173,255,.27)}.orbit-exams:hover{transform:translateY(-50%) scale(1.035);box-shadow:0 30px 75px rgba(123,77,255,.27)}
.hero-v5-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.hero-v5-primary{background:linear-gradient(110deg,#00bdea,#3269ff 58%,#654fff);box-shadow:0 14px 36px rgba(37,108,255,.30)}.hero-v5-secondary{color:#eaf6ff;background:rgba(255,255,255,.06);border-color:rgba(155,210,255,.20);backdrop-filter:blur(10px)}.search-v5{display:flex;align-items:center;max-width:730px;margin:19px auto 0;background:rgba(255,255,255,.98);padding:6px;border-radius:19px;box-shadow:0 20px 55px rgba(0,0,0,.30)}.search-v5>span{color:#397395;font-size:22px;padding-inline:12px 4px}.search-v5 input{flex:1;min-width:0;border:0;background:transparent;font:inherit;color:#17324d;outline:none;padding:9px 6px}.search-v5 button{border:0;border-radius:13px;background:linear-gradient(110deg,#076eb7,#574de8);color:#fff;font-weight:900;padding:10px 20px;cursor:pointer}.hero-mini-stats{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:15px}.hero-mini-stats span{padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09);font-size:10px;color:#9fb7d1}.hero-mini-stats b{color:#e8f7ff;font-size:11px}
.scope-v5{background:linear-gradient(180deg,#07172f 0%,var(--bg) 100%);padding:18px 0 0}.scope-v5-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:15px 18px;border-radius:22px;background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid color-mix(in srgb,var(--brand) 14%,var(--line));box-shadow:0 14px 34px rgba(20,57,92,.08)}.scope-v5-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:15px;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 13%,var(--surface)),color-mix(in srgb,var(--brand2) 13%,var(--surface)));font-size:23px}.scope-v5-card b{font-size:14px}.scope-v5-card p{font-size:12px;color:var(--muted);margin:2px 0 0}.scope-v5-card a{font-size:12px;font-weight:900;color:var(--brand)}
.stage-grid-v5 .stage-card{min-height:190px;padding:24px;border-radius:28px;background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--brand) 4%,var(--surface)));overflow:hidden}.stage-grid-v5 .stage-card b{display:grid;place-items:center;width:76px;height:76px;border-radius:50%;background:linear-gradient(145deg,color-mix(in srgb,var(--brand) 15%,var(--surface)),color-mix(in srgb,var(--brand2) 13%,var(--surface)));box-shadow:0 12px 28px rgba(40,98,180,.10);font-size:24px}.stage-grid-v5 .stage-card:after{width:170px;height:170px;left:-70px;bottom:-80px;background:linear-gradient(145deg,color-mix(in srgb,var(--brand) 8%,transparent),color-mix(in srgb,var(--brand2) 5%,transparent))}.latest-v5{background:linear-gradient(180deg,var(--bg),color-mix(in srgb,var(--brand) 3%,var(--surface)))}.articles-v5{background:linear-gradient(180deg,color-mix(in srgb,var(--brand2) 3%,var(--surface)),var(--bg))}.cta-v5{background:radial-gradient(circle at 10% 0,rgba(255,255,255,.20),transparent 35%),linear-gradient(115deg,#0878ff,#00a5d5 44%,#6e4eea);box-shadow:0 28px 68px rgba(45,92,190,.22)}
.book-card{border-radius:22px;background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--brand) 2.5%,var(--surface)))}.book-card-copy{min-width:0}.book-card-action{display:inline-flex;align-items:center;gap:6px;margin-top:10px;padding:7px 10px;border-radius:999px;background:color-mix(in srgb,var(--brand) 9%,var(--surface));border:1px solid color-mix(in srgb,var(--brand) 17%,var(--line));color:var(--brand);font-size:11px;font-weight:900;line-height:1.35}.book-card-action b{font-size:13px}.js-drive-download.is-loading{pointer-events:none;opacity:.72;cursor:wait}.book-cover{border-radius:14px;box-shadow:0 10px 26px rgba(19,51,85,.10)}.book-cover.cover-error:after,.subject-cover-thumb.cover-error:after{content:"الغلاف";display:grid;place-items:center;width:100%;height:100%;background:linear-gradient(145deg,#0b355a,#167fbd);color:#fff;font-size:11px;font-weight:900}.subject-card-cover{border-radius:22px;background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--brand) 2.5%,var(--surface)))}.subject-cover-thumb{border-radius:14px;box-shadow:0 10px 24px rgba(19,51,85,.10)}.exam-file{border-radius:22px;background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--brand2) 2%,var(--surface)))}
@media(max-width:780px){.hero-v5{padding:38px 0 40px}.hero-v5 h1{font-size:46px}.hero-v5-titleline{font-size:27px!important}.hero-v5-lead{font-size:15px!important}.orbit-stage{height:430px;max-width:520px}.ring-one{width:330px;height:330px}.ring-two{width:470px;height:260px}.orbit-core{width:150px;height:150px}.orbit-core img{width:60px;height:60px}.orbit-card{width:170px;height:170px}.orbit-card img{width:68px;height:68px;border-radius:20px}.orbit-card strong{font-size:13px}.orbit-card em{font-size:8.5px}.orbit-books{right:0}.orbit-exams{left:0}}
@media(max-width:560px){.hero-v5{padding-top:30px}.hero-v5 h1{font-size:39px;margin-top:14px}.hero-v5-titleline{font-size:24px!important;line-height:1.45!important}.kicker-v5{font-size:10px}.orbit-stage{height:390px;margin-top:18px}.ring-one{width:286px;height:286px}.ring-two{width:380px;height:226px}.orbit-core{width:128px;height:128px}.orbit-core img{width:52px;height:52px;border-radius:16px}.orbit-core strong{font-size:12px}.orbit-core small{font-size:7px}.orbit-card{width:148px;height:148px}.orbit-card img{width:58px;height:58px;border-radius:17px;margin-bottom:5px}.orbit-card small{font-size:7px}.orbit-card strong{font-size:11.5px}.orbit-card em{font-size:7.5px}.orbit-books{right:-4px;top:36%}.orbit-exams{left:-4px;top:67%}.ring-two{transform:translate(-50%,-50%) rotate(-22deg)}.hero-v5-actions{display:grid;grid-template-columns:1fr;max-width:370px;margin-inline:auto}.hero-v5-actions .btn{width:100%}.search-v5{border-radius:16px}.search-v5 button{padding-inline:14px}.hero-mini-stats{gap:5px}.hero-mini-stats span{font-size:8.6px;padding:4px 7px}.scope-v5-card{grid-template-columns:auto 1fr}.scope-v5-card>a{grid-column:1/-1;text-align:center}.stage-grid-v5{grid-template-columns:1fr}.stage-grid-v5 .stage-card{min-height:150px}.stage-grid-v5 .stage-card b{width:60px;height:60px}.section{padding:44px 0}}

/* ===== V7.1 app promotion consistency ===== */
.books-app-promo{margin-top:26px;max-width:620px;margin-inline:auto;padding:22px;border-radius:26px;background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--brand) 3%,var(--surface)));border:1px solid color-mix(in srgb,var(--brand) 24%,var(--line));box-shadow:0 18px 42px rgba(25,72,130,.10)}
.books-app-promo .app-side-head{margin-bottom:15px}.books-app-promo .app-side-head>img{width:64px;height:64px;border-radius:18px}.books-app-promo .app-side-head h3{font-size:20px}.books-app-promo .app-side-head p{font-size:13px!important}.books-app-promo>.btn{min-height:58px;font-size:16px}.book-detail-app{max-width:none;margin-top:16px;margin-inline:0}.book-detail-app .app-side-head>img{width:56px;height:56px}.book-detail-app>.btn{min-height:54px}
@media(max-width:620px){.books-app-promo{margin-top:22px;padding:18px;border-radius:24px}.books-app-promo .app-side-head>img{width:58px;height:58px}.books-app-promo .app-side-head h3{font-size:18px}.books-app-promo .app-side-head p{font-size:12px!important}.books-app-promo>.btn{min-height:56px;font-size:15px}.book-detail-app{margin-top:14px}}

/* ===== V7 polish: identity, mobile rhythm, articles, app links, footer ===== */
.brand span{line-height:1.32}.brand small{line-height:1.35;margin-top:2px}.orbit-core strong{max-width:126px;text-align:center;line-height:1.25}.stage-number,.grade-number{direction:ltr;unicode-bidi:isolate;white-space:nowrap!important;line-height:1!important;min-width:max-content!important;width:auto!important;padding-inline:17px!important}.stage-card h3{line-height:1.4}.stage-card{isolation:isolate}.stage-card>*{position:relative;z-index:1}
.article-card{display:flex;flex-direction:column;min-height:100%;border-radius:26px}.article-thumb-image{height:auto;aspect-ratio:16/8.4;padding:0;overflow:hidden;background:#0a2d55}.article-thumb-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.article-card:hover .article-thumb-image img{transform:scale(1.035)}.article-body{display:flex;flex-direction:column;flex:1;padding:20px}.article-body h3{font-size:18px}.article-body p{flex:1}.article-read{display:inline-flex;margin-top:14px;color:var(--brand);font-size:12px;font-weight:900}.article-hero-media{margin:-12px -12px 26px;border-radius:22px;overflow:hidden;border:1px solid var(--line);background:#092c54}.seo-intro{padding:24px;margin:0 0 26px;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 7%,var(--surface)),color-mix(in srgb,var(--brand2) 6%,var(--surface)))}.seo-intro h2{margin:0 0 8px;font-size:24px}.seo-intro p{margin:7px 0;color:var(--muted)}.official-links{margin:30px 0;padding:20px;border-radius:18px;border:1px solid color-mix(in srgb,var(--brand) 24%,var(--line));background:color-mix(in srgb,var(--brand) 6%,var(--surface))}.official-links h2{margin-top:0!important}.official-links p{color:var(--muted)}.official-links ul{margin-bottom:0}.official-links a{overflow-wrap:anywhere}.article-hero-media img{width:100%;aspect-ratio:1200/630;object-fit:cover}.article-prose{overflow:hidden}
.app-link-btn{gap:9px!important}.app-link-btn img{width:28px!important;height:28px!important;border-radius:8px!important;flex:none;box-shadow:0 5px 14px rgba(0,0,0,.16)}.app-side-card{overflow:hidden}.app-side-head{display:flex;gap:11px;align-items:center;margin-bottom:13px}.app-side-head>img{width:52px;height:52px;border-radius:14px;box-shadow:0 9px 24px rgba(33,78,145,.18)}.app-side-head h3{margin:0}.app-side-head p{margin:2px 0 0!important;font-size:11px!important}.app-side-card>.btn{width:100%}.side-card a.btn-primary,.side-card a.app-link-btn.btn-primary{color:#fff}.side-card a.app-link-btn{display:flex;padding:10px 14px}.side-card a.app-link-btn:hover{color:#fff}
.footer-v7{margin-top:30px;padding-top:38px;background:radial-gradient(circle at 92% 0,rgba(0,191,232,.10),transparent 25%),radial-gradient(circle at 8% 100%,rgba(105,70,238,.10),transparent 28%),#061525}.footer-v7 .footer-grid{grid-template-columns:1.5fr repeat(3,1fr);gap:32px}.footer-brand{display:inline-flex!important}.footer-brand img{width:48px!important;height:48px!important}.footer-brand small{color:#7fa4c4}.footer-intro p{margin-top:14px;line-height:1.9}.independent-badge{display:inline-flex;border:1px solid #1d4568;background:#0b2340;color:#a8cae5;padding:6px 10px;border-radius:999px;font-size:11px;font-weight:800}.footer-v7 h3{color:#f5f9ff}.footer-v7 a{transition:.2s ease}.footer-v7 a:hover{color:#7de4ff;transform:translateX(-2px)}.footer-bottom{align-items:center;flex-wrap:wrap}.footer-bottom b{color:#cfe9ff}
@media(max-width:920px){.footer-v7 .footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-v7 .footer-grid>div:last-child{grid-column:2/4}.app-link-btn{min-height:52px}}
@media(max-width:620px){.container{width:min(var(--max),calc(100% - 28px))}.site-header .brand img{width:43px;height:43px}.site-header .brand span{font-size:14px}.site-header .brand small{display:none}.header-row{gap:10px;min-height:74px}.icon-btn{width:46px;height:46px}.orbit-core strong{font-size:10.5px!important;max-width:100px}.orbit-core small{margin-top:3px}.stage-grid-v5 .stage-card{min-height:142px;padding:20px}.stage-grid-v5 .stage-card b{height:56px!important;min-width:64px!important;font-size:20px}.stage-card h3{font-size:19px;margin-top:9px}.stage-card p{font-size:13px}.grid-3{grid-template-columns:1fr}.article-card{border-radius:24px}.article-body{padding:17px}.article-body h3{font-size:17px}.article-body p{font-size:13px}.article-hero-media{margin:-8px -8px 22px;border-radius:18px}.app-card{grid-template-columns:82px 1fr;gap:15px;padding:17px}.app-card>img{width:82px;height:82px;border-radius:22px}.app-card h3{font-size:18px}.app-card .hero-actions{display:grid;grid-template-columns:1fr}.app-card .btn{width:100%}.footer-v7{padding:30px 0 18px}.footer-v7 .footer-grid{grid-template-columns:1fr 1fr;gap:24px 18px}.footer-v7 .footer-intro{grid-column:1/-1}.footer-v7 .footer-grid>div:last-child{grid-column:auto}.footer-v7 h3{font-size:14px}.footer-v7 a{font-size:12px;padding:5px 0}.footer-v7 p{font-size:12px}.footer-bottom{display:grid;grid-template-columns:1fr;gap:7px;text-align:center;margin-top:22px;padding-top:16px}.footer-bottom span{font-size:10.5px}.footer-brand span{font-size:14px}.footer-brand small{display:block;font-size:9px}.download-box .app-link-btn{white-space:normal;text-align:center}.page-hero{padding:34px 0 24px}.page-hero h1{font-size:30px}.page-hero p{font-size:14px}.prose{padding:20px}.prose h2{font-size:24px}.content-layout{gap:18px}}

/* ===== V10 articles: real imagery, contextual links, editorial hierarchy ===== */
.article-thumb-image{aspect-ratio:16/9;background:#071a32}.article-thumb-image img,.article-hero-media img,.article-mini-img img,.article-service-img img,.article-feature-image img{width:100%;height:100%;object-fit:cover}.article-hero-media img{aspect-ratio:16/9}.context-link{color:var(--brand);font-weight:900;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px;text-decoration-color:color-mix(in srgb,var(--brand) 45%,transparent)}.context-link:hover{color:var(--brand2);text-decoration-color:currentColor}.external-link:after{content:" ↗";font-size:.72em;display:inline-block}.article-context-related{margin:18px 0 26px;padding:14px 16px;border-inline-start:4px solid var(--brand);border-radius:12px;background:color-mix(in srgb,var(--brand) 6%,var(--surface));color:var(--muted)}.article-context-related b{color:var(--ink)}.article-context-related a{margin-inline:3px}.article-topics{display:flex;flex-wrap:wrap;gap:8px;margin:-10px 0 20px}.article-topics span{display:inline-flex;padding:7px 11px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:12px;font-weight:800}.article-index-grid .article-card:nth-child(-n+3){border-color:color-mix(in srgb,var(--brand) 28%,var(--line));box-shadow:0 18px 45px rgba(25,93,177,.13)}
.articles-v10{background:radial-gradient(circle at 90% 10%,color-mix(in srgb,var(--brand) 8%,transparent),transparent 28%),linear-gradient(180deg,color-mix(in srgb,var(--brand2) 3%,var(--surface)),var(--bg))}.article-showcase{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:18px;align-items:stretch}.article-feature-main{display:grid;grid-template-rows:auto 1fr;overflow:hidden;min-height:520px;border-radius:30px}.article-feature-image{aspect-ratio:16/9;overflow:hidden}.article-feature-copy{padding:24px;display:flex;flex-direction:column}.article-feature-copy h3{font-size:clamp(23px,2.5vw,34px);line-height:1.45;margin:12px 0 8px}.article-feature-copy p{color:var(--muted);margin:0;flex:1}.article-popular-stack{display:grid;grid-template-columns:1fr 1fr;gap:14px}.article-mini-card{display:grid;grid-template-rows:auto 1fr;overflow:hidden;border-radius:24px}.article-mini-img{aspect-ratio:16/9;overflow:hidden}.article-mini-card>div:last-child{padding:15px;display:flex;flex-direction:column}.article-mini-card h3{font-size:15px;line-height:1.55;margin:8px 0;flex:1}.article-subhead{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:42px 0 18px}.article-subhead h3{margin:4px 0 0;font-size:clamp(22px,2.4vw,30px)}.article-service-card{overflow:hidden;display:grid;grid-template-rows:auto 1fr;border-radius:24px}.article-service-img{aspect-ratio:16/9;overflow:hidden}.article-service-card>div:last-child{padding:16px;display:flex;flex-direction:column}.article-service-card h3{font-size:16px;line-height:1.5;margin:7px 0}.article-service-card p{font-size:12px;color:var(--muted);margin:0;flex:1}.article-service-card .article-read{margin-top:10px}.article-feature-main img,.article-mini-card img,.article-service-card img{transition:transform .35s ease}.article-feature-main:hover img,.article-mini-card:hover img,.article-service-card:hover img{transform:scale(1.025)}
@media(max-width:920px){.article-showcase{grid-template-columns:1fr}.article-feature-main{min-height:0}.article-services-grid{grid-template-columns:1fr 1fr}.article-popular-stack{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.article-popular-stack{grid-template-columns:1fr 1fr;gap:10px}.article-mini-card h3{font-size:13px}.article-mini-card>div:last-child{padding:12px}.article-services-grid{grid-template-columns:1fr}.article-subhead{align-items:start;flex-direction:column;margin-top:34px}.article-feature-copy{padding:18px}.article-feature-copy h3{font-size:23px}.article-feature-copy p{font-size:13px}.article-context-related{font-size:13px;padding:12px 13px}.article-topics{gap:6px}.article-topics span{font-size:11px;padding:6px 9px}}

/* ===== V8 pre-domain final polish: performance, accessibility, mobile consistency ===== */
.compact-head{margin-top:24px;margin-bottom:18px;align-items:center}.compact-head h2{font-size:clamp(24px,2.5vw,32px)}.compact-head p{font-size:14px}.search-results-head{margin-top:28px}.footer-v7{margin-top:0}.app-side-head h2,.app-side-head h3{margin:0;line-height:1.4}.books-app-promo .app-side-head h2{font-size:20px}
.stage-number,.grade-number{font-variant-numeric:tabular-nums;letter-spacing:.2px}.stage-card .text-link{display:inline-flex;margin-top:4px}
.app-card{overflow:hidden}.app-card>img{object-fit:cover}.app-card .app-link-btn{background:linear-gradient(120deg,color-mix(in srgb,var(--brand) 8%,var(--surface)),color-mix(in srgb,var(--brand2) 8%,var(--surface)));border-color:color-mix(in srgb,var(--brand) 18%,var(--line))}.app-card .app-link-btn:hover{border-color:color-mix(in srgb,var(--brand) 38%,var(--line))}
.book-cover,.subject-cover-thumb,.cover-big{contain:layout paint}
.btn:focus-visible,.nav a:focus-visible,.brand:focus-visible,.stage-card:focus-visible,.book-card:focus-visible,.subject-card:focus-visible,.article-card:focus-visible,.text-link:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 68%,#fff);outline-offset:3px}.icon-btn:focus-visible,.search-v5 input:focus-visible,.search-input:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 62%,#fff);outline-offset:2px}
@media(max-width:620px){.site-header .brand{min-width:0}.site-header .brand span{white-space:nowrap;font-size:13.5px}.site-header .brand img{width:41px;height:41px}.header-row{gap:8px}.icon-btn{flex:none;width:44px;height:44px}.compact-head{margin-top:20px;margin-bottom:15px}.compact-head h2{font-size:23px}.stage-number,.grade-number{white-space:nowrap!important}.stage-card h3{word-break:normal;overflow-wrap:normal}.app-side-head>div{min-width:0}.books-app-promo .app-side-head h3,.books-app-promo .app-side-head h2{line-height:1.45;font-size:18px}.footer-v7 .footer-grid{align-items:start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.orbit-ring{animation:none!important}.card,.article-thumb-image img,.nav a{transition:none!important}}

/* ===== V11 premium homepage + trust pages + exact article banners ===== */
.yemen-flag{display:inline-grid;grid-template-rows:repeat(3,4px);width:21px;height:12px;border-radius:2px;overflow:hidden;box-shadow:0 0 0 1px rgba(255,255,255,.22);flex:none}.yemen-flag i:nth-child(1){background:#ce1126}.yemen-flag i:nth-child(2){background:#fff}.yemen-flag i:nth-child(3){background:#000}.kicker-v5{display:inline-flex;align-items:center;gap:8px}
.hero-v11{padding-bottom:38px}.hero-v11 .hero-v5-wrap{max-width:1120px}.hero-v11 .orbit-stars{display:none}.hero-v11 .orbit-ring{border-style:solid;opacity:.48}.hero-v11 .orbit-card{box-shadow:0 25px 60px rgba(10,33,78,.28),inset 0 1px 0 rgba(255,255,255,.09)}.hero-v11 .orbit-core{box-shadow:0 18px 55px rgba(9,135,222,.2)}
.home-hub{margin-top:-12px;padding:0 0 20px;position:relative;z-index:4}.home-hub-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:12px}.hub-card{min-height:134px;padding:19px;border-radius:24px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;transition:transform .2s ease,border-color .2s ease}.hub-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 34%,var(--line))}.hub-card:after{content:"";position:absolute;width:130px;height:130px;border-radius:50%;background:color-mix(in srgb,var(--brand) 7%,transparent);left:-48px;bottom:-60px}.hub-card strong{font-size:18px;line-height:1.4;position:relative;z-index:1}.hub-card span{font-size:12px;color:var(--muted);position:relative;z-index:1}.hub-card b{font-size:12px;color:var(--brand);position:relative;z-index:1}.hub-main{background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 9%,var(--surface)),color-mix(in srgb,var(--brand2) 7%,var(--surface)))}
.home-editorial{padding-top:44px}.home-editorial-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:20px}.home-editorial-head h2{font-size:clamp(28px,3vw,42px);margin:2px 0 6px}.home-editorial-head p{color:var(--muted);margin:0}.home-top-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:16px}.home-top-side{display:grid;gap:14px}.home-top-grid .article-feature-main{min-height:0}.home-top-grid .article-feature-copy{padding:20px}.home-top-grid .article-feature-copy h3{font-size:26px}.home-top-side .article-mini-card{grid-template-columns:160px 1fr;grid-template-rows:1fr;min-height:150px}.home-top-side .article-mini-img{aspect-ratio:auto;height:100%}.home-top-side .article-mini-card>div:last-child{justify-content:center}.quick-service-strip{margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick-service{padding:17px;border-radius:20px}.quick-service small{display:block;color:var(--muted);margin-bottom:5px}.quick-service strong{display:block;line-height:1.45}.quick-service span{display:inline-block;margin-top:10px;color:var(--brand);font-size:12px;font-weight:900}
.article-thumb-image img,.article-feature-image img,.article-mini-img img,.article-service-img img,.article-hero-media img{object-fit:cover;background:#071a32}.article-hero-media{box-shadow:0 16px 48px rgba(4,27,62,.12)}
.trust-page-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;margin-bottom:26px}.trust-page-hero .trust-copy{padding:30px}.trust-page-hero h2{font-size:clamp(28px,3vw,42px);margin:8px 0}.trust-page-hero p{color:var(--muted);margin:0}.trust-visual{min-height:260px;padding:24px;border-radius:28px;background:linear-gradient(145deg,#09213e,#0b4970 55%,#43328b);color:white;display:grid;align-content:center;gap:12px;box-shadow:0 22px 60px rgba(14,57,112,.18)}.trust-visual b{font-size:36px}.trust-visual span{color:#bfe7ff}.trust-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.trust-stat{padding:14px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);border-radius:17px}.trust-stat strong{display:block;font-size:22px}.trust-stat small{color:#c7ddef}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.trust-card{padding:22px}.trust-card h3{margin:0 0 7px}.trust-card p{margin:0;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.contact-card{padding:24px;min-height:220px;display:flex;flex-direction:column}.contact-card .contact-icon{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 16%,var(--surface)),color-mix(in srgb,var(--brand2) 12%,var(--surface)));font-size:25px}.contact-card h2{font-size:21px;margin:14px 0 5px}.contact-card p{color:var(--muted);font-size:13px;flex:1}.contact-card .btn{width:100%}
.privacy-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0 24px}.privacy-nav a{padding:12px 10px;text-align:center;border:1px solid var(--line);border-radius:14px;background:var(--surface);font-weight:800;font-size:12px}.privacy-note{padding:18px;border-radius:18px;background:color-mix(in srgb,var(--brand) 6%,var(--surface));border:1px solid color-mix(in srgb,var(--brand) 20%,var(--line));margin:18px 0}.privacy-note strong{color:var(--brand)}
.source-list{display:grid;gap:12px}.source-item{padding:18px;display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}.source-item p{margin:5px 0 0;color:var(--muted);font-size:13px}.source-item a{color:var(--brand);font-weight:900}.editorial-principles{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.editorial-principles .card{padding:20px}.editorial-principles h3{margin:0 0 7px}.editorial-principles p{margin:0;color:var(--muted)}
@media(max-width:920px){.home-hub-grid{grid-template-columns:1fr 1fr}.home-top-grid{grid-template-columns:1fr}.home-top-side{grid-template-columns:1fr 1fr}.home-top-side .article-mini-card{grid-template-columns:1fr;grid-template-rows:auto 1fr}.home-top-side .article-mini-img{aspect-ratio:16/9}.quick-service-strip{grid-template-columns:1fr 1fr}.trust-page-hero{grid-template-columns:1fr}.trust-grid,.contact-grid{grid-template-columns:1fr 1fr}.privacy-nav{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.hero-v11{padding-top:26px}.home-hub{margin-top:0;padding-top:12px}.home-hub-grid{grid-template-columns:1fr 1fr;gap:9px}.hub-card{min-height:118px;padding:15px;border-radius:20px}.hub-card strong{font-size:15px}.hub-card span{font-size:11px}.home-editorial{padding-top:34px}.home-editorial-head{align-items:start;flex-direction:column}.home-top-side{grid-template-columns:1fr 1fr;gap:10px}.home-top-side .article-mini-card h3{font-size:12.5px}.quick-service-strip{grid-template-columns:1fr 1fr;gap:9px}.quick-service{padding:14px}.quick-service strong{font-size:13px}.trust-page-hero .trust-copy{padding:20px}.trust-visual{min-height:230px}.trust-stats{grid-template-columns:1fr 1fr 1fr}.trust-stat{padding:10px}.trust-stat strong{font-size:18px}.trust-grid,.contact-grid,.editorial-principles{grid-template-columns:1fr}.privacy-nav{grid-template-columns:1fr 1fr}.source-item{grid-template-columns:1fr}.source-item a{justify-self:start}}

/* ===== V12 calmer, brighter and more editorial UI ===== */
:root{--ink:#16304c;--ink2:#244661;--brand:#1769d2;--brand2:#7550d9;--accent:#f2a33a;--bg:#f7fafc;--surface:#ffffff;--muted:#657b8f;--line:#dfe9f1;--shadow:0 14px 36px rgba(40,78,114,.08);--radius:22px;color-scheme:light}
:root[data-theme="dark"]{--ink:#eef6ff;--ink2:#c9daeb;--brand:#53a7ff;--brand2:#a489ff;--accent:#ffc66d;--bg:#071423;--surface:#0e2237;--muted:#97adc1;--line:#203b55;--shadow:0 18px 45px rgba(0,0,0,.28);color-scheme:dark}
body{background:linear-gradient(180deg,var(--bg),color-mix(in srgb,var(--brand) 1.5%,var(--bg)) 75%,var(--bg))}.site-header{background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:0 7px 30px rgba(38,75,110,.05)}
.hero-v12{background:radial-gradient(circle at 86% 12%,rgba(36,183,224,.18),transparent 28%),radial-gradient(circle at 15% 5%,rgba(117,80,217,.12),transparent 25%),linear-gradient(180deg,#fafdff,#f2f8ff 66%,#f7fafc);color:#16304c}.hero-v12 .hero-v5-titleline{color:#244661}.hero-v12 .hero-v5-titleline span{background:linear-gradient(100deg,#1769d2,#7b4ee0);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-v12 .hero-v5-lead{color:#667e93}.hero-v12 .orbit-core{background:rgba(255,255,255,.94);color:#16304c;border-color:#dceaf6}.hero-v12 .orbit-core small{color:#70859a}.hero-v12 .orbit-card{background:rgba(255,255,255,.94);color:#17324c;border:1px solid #d9e8f4}.hero-v12 .orbit-card small,.hero-v12 .orbit-card em{color:#6d8396}.hero-v12 .orbit-books{background:linear-gradient(145deg,#ecfbff,#fff)}.hero-v12 .orbit-exams{background:linear-gradient(145deg,#f4efff,#fff)}.hero-v12 .search-v5{background:#fff;border-color:#d8e6f0;box-shadow:0 14px 34px rgba(39,90,132,.10)}
:root[data-theme="dark"] .hero-v12{background:radial-gradient(circle at 82% 8%,rgba(40,170,220,.15),transparent 30%),radial-gradient(circle at 10% 12%,rgba(125,80,220,.13),transparent 28%),#071525;color:var(--ink)}:root[data-theme="dark"] .hero-v12 .orbit-core,:root[data-theme="dark"] .hero-v12 .orbit-card{background:rgba(13,34,56,.92);color:var(--ink);border-color:#24445f}:root[data-theme="dark"] .hero-v12 .orbit-card small,:root[data-theme="dark"] .hero-v12 .orbit-card em,:root[data-theme="dark"] .hero-v12 .orbit-core small{color:var(--muted)}:root[data-theme="dark"] .hero-v12 .search-v5{background:var(--surface);border-color:var(--line)}
.home-hub-v12{background:#fff;padding:26px 0 30px;margin:0}.home-hub-v12 .hub-card{box-shadow:none;border:0}.home-hub-v12 .hub-main{background:linear-gradient(135deg,#e9f7ff,#eaf1ff)}.home-hub-v12 .hub-exams{background:linear-gradient(135deg,#f2ecff,#f8f4ff)}.home-hub-v12 .hub-results{background:linear-gradient(135deg,#e9fbf4,#f1fff9)}.home-hub-v12 .hub-seat{background:linear-gradient(135deg,#fff3e5,#fff8ee)}.home-hub-v12 .hub-card strong{color:#17324c}.home-hub-v12 .hub-card span{color:#648097}.home-hub-v12 .hub-card b{color:#1769d2}
:root[data-theme="dark"] .home-hub-v12{background:var(--bg)}:root[data-theme="dark"] .home-hub-v12 .hub-card{background:var(--surface);border:1px solid var(--line)}:root[data-theme="dark"] .home-hub-v12 .hub-card strong{color:var(--ink)}
.home-editorial-v12{background:#fff;padding-top:54px}.home-editorial-v12 .article-feature-main,.home-editorial-v12 .article-mini-card{box-shadow:0 14px 38px rgba(38,78,118,.08);border-color:#e4edf4}.home-editorial-v12 .article-feature-copy h3,.home-editorial-v12 .article-mini-card h3{color:#163d75}.home-editorial-v12 .article-feature-main{background:linear-gradient(180deg,#fff,#f9fbff)}
:root[data-theme="dark"] .home-editorial-v12{background:var(--bg)}:root[data-theme="dark"] .home-editorial-v12 .article-feature-copy h3,:root[data-theme="dark"] .home-editorial-v12 .article-mini-card h3{color:var(--ink)}
.quick-service{border:0!important;box-shadow:none!important}.qs-blue{background:#eaf3ff!important}.qs-purple{background:#f2edff!important}.qs-green{background:#e9faf4!important}.qs-orange{background:#fff3e6!important}.quick-service strong{color:#17324c}.quick-service small{font-weight:900}.qs-blue small{color:#1769d2}.qs-purple small{color:#7550d9}.qs-green small{color:#138c69}.qs-orange small{color:#c97315}
.stage-v12{background:linear-gradient(180deg,#f7fafc,#f2f7fb)}.stage-v12 .stage-card{border:0;box-shadow:none}.stage-v12 .stage-card:nth-child(1){background:linear-gradient(145deg,#eef9ff,#e7f3ff)}.stage-v12 .stage-card:nth-child(2){background:linear-gradient(145deg,#f0fbf5,#e8f8f1)}.stage-v12 .stage-card:nth-child(3){background:linear-gradient(145deg,#f6efff,#eee8ff)}.stage-v12 .stage-card h3{color:#173957}.latest-v12{background:#fff}.latest-v12 .book-card{box-shadow:none;border-color:#e4edf4;transition:.2s ease}.latest-v12 .book-card:hover{transform:translateY(-3px);box-shadow:0 13px 30px rgba(34,84,126,.09)}.services-v12{background:linear-gradient(180deg,#f9fbff,#f5f9fd)}.cta-v12{background:linear-gradient(120deg,#1769d2,#6c55dd 72%,#8a52d8)}
.article-index-grid{gap:20px}.article-index-grid .article-card{box-shadow:none;border-color:#e3ebf2;background:#fff;overflow:hidden}.article-index-grid .article-card:nth-child(6n+1){--a:#1769d2}.article-index-grid .article-card:nth-child(6n+2){--a:#7550d9}.article-index-grid .article-card:nth-child(6n+3){--a:#119875}.article-index-grid .article-card:nth-child(6n+4){--a:#e58b2b}.article-index-grid .article-card:nth-child(6n+5){--a:#d7507f}.article-index-grid .article-card:nth-child(6n){--a:#1595b6}.article-index-grid .article-card{border-top:4px solid var(--a,#1769d2)}.article-index-grid .article-body h3{color:var(--a,#1769d2)}.article-body h3{line-height:1.6}.article-card .chip{background:color-mix(in srgb,var(--a,#1769d2) 8%,#fff);border-color:color-mix(in srgb,var(--a,#1769d2) 18%,#e3ebf2);color:var(--a,#1769d2)}
.article-prose{background:#fff;border-color:#e2ebf3;box-shadow:0 18px 45px rgba(34,75,115,.07)}.article-prose h2{color:#1769d2;background:linear-gradient(90deg,color-mix(in srgb,#1769d2 7%,#fff),transparent);border-inline-start:4px solid #1769d2;padding:11px 15px;border-radius:12px}.article-prose h3{color:#7550d9}.article-prose .context-link{color:#1769d2}.article-hero-media{border-color:#dfe9f2;box-shadow:0 14px 34px rgba(35,82,120,.10)}
:root[data-theme="dark"] .article-prose,:root[data-theme="dark"] .article-index-grid .article-card{background:var(--surface);border-color:var(--line)}:root[data-theme="dark"] .article-prose h2{background:color-mix(in srgb,var(--brand) 8%,var(--surface));color:var(--brand)}
.trust-v12{background:#f8fbfd}.trust-page-hero .trust-copy,.trust-card,.contact-card,.privacy-summary-v12,.privacy-prose-v12{box-shadow:none;border-color:#e1eaf1}.trust-page-hero h2,.contact-card h2,.privacy-summary-v12 h2{color:#194a7c}.trust-visual{background:linear-gradient(145deg,#1e73d8,#40b8d2 58%,#7550d9);box-shadow:0 18px 42px rgba(31,101,171,.18)}.privacy-summary-v12{padding:26px;background:linear-gradient(135deg,#edf7ff,#f8f5ff)}.privacy-summary-v12 .privacy-badges span{background:#fff;border:1px solid #dce8f1;color:#49657d}.privacy-prose-v12{max-width:900px;margin:22px auto 0}.privacy-prose-v12 h2{color:#1769d2}.privacy-links-v12{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.privacy-links-v12 a{padding:18px;box-shadow:none}.privacy-links-v12 strong{display:block;color:#1b4d79}.privacy-links-v12 span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.footer-v7{background:#f0f6fa;color:#304d66;border-top:1px solid #dde8f0}.footer-v7 h3{color:#173957}.footer-v7 a{color:#4c697f}.footer-v7 p,.footer-v7 .footer-bottom{color:#6d8396}.footer-v7 .independent-badge{background:#fff;border-color:#d9e6ef;color:#526e84}.footer-brand small{color:#71889a}.footer-bottom b{color:#275477}
:root[data-theme="dark"] .footer-v7{background:#061525;color:var(--muted);border-color:#17344e}:root[data-theme="dark"] .footer-v7 h3{color:#f5f9ff}:root[data-theme="dark"] .footer-v7 a{color:#a9c1d5}:root[data-theme="dark"] .footer-v7 .independent-badge{background:#0b2340;border-color:#1d4568;color:#a8cae5}
@media(max-width:620px){.hero-v12{padding-top:22px}.home-editorial-v12{padding-top:38px}.home-hub-v12{padding-top:18px}.article-prose h2{font-size:22px;padding:9px 12px}.privacy-links-v12{grid-template-columns:1fr}.privacy-summary-v12{padding:20px}.quick-service strong{font-size:13px}.footer-v7{padding-top:28px}}

/* ===== V13 readability, book actions and download progress ===== */
.hero-v12 .hero-v5-secondary{color:#17324c!important;background:rgba(255,255,255,.90)!important;border-color:#cbddeb!important;box-shadow:0 8px 24px rgba(35,78,118,.08)}
.hero-v12 .hero-mini-stats span{background:rgba(255,255,255,.82)!important;border-color:#d6e4ee!important;color:#4f687e!important}.hero-v12 .hero-mini-stats b{color:#145fb8!important}.hero-v12 .kicker-v5{background:rgba(255,255,255,.78)!important;border-color:#cfe0ec!important;color:#28536f!important}
.home-hub-v12 .hub-card span,.article-body p,.page-hero p,.detail-item small,.download-hint{color:#536d83!important}
.footer-v7 .footer-brand{color:#173957!important}.footer-v7 .footer-brand small{color:#607b91!important}.footer-v7 .footer-intro p{color:#526d83!important}.footer-v7 a{color:#405f77!important}.footer-v7 .footer-bottom{color:#5c758a!important}
:root[data-theme="dark"] .hero-v12 .hero-v5-secondary{color:#eef6ff!important;background:#102944!important;border-color:#315271!important}:root[data-theme="dark"] .hero-v12 .hero-mini-stats span{background:#0e263f!important;border-color:#294964!important;color:#bdd0df!important}:root[data-theme="dark"] .hero-v12 .hero-mini-stats b{color:#78b9ff!important}:root[data-theme="dark"] .hero-v12 .kicker-v5{background:#0d2741!important;border-color:#31516c!important;color:#c7e4f7!important}:root[data-theme="dark"] .footer-v7 .footer-brand{color:#f5f9ff!important}:root[data-theme="dark"] .footer-v7 .footer-brand small{color:#8fb0ca!important}:root[data-theme="dark"] .footer-v7 .footer-intro p,:root[data-theme="dark"] .footer-v7 a,:root[data-theme="dark"] .footer-v7 .footer-bottom{color:#a9c1d5!important}
.book-media-col{display:grid;gap:14px;align-content:start}.book-detail .cover-big{padding:10px;overflow:hidden}.cover-big img{width:100%!important;height:auto!important;aspect-ratio:auto!important;object-fit:contain!important;border-radius:14px;margin:auto}.book-media-col .download-box{margin-top:0;background:linear-gradient(145deg,#eef7ff,#f6f2ff);box-shadow:0 10px 26px rgba(45,83,120,.06)}:root[data-theme="dark"] .book-media-col .download-box{background:color-mix(in srgb,var(--brand) 8%,var(--surface))}
.download-box .hero-actions{margin-bottom:0}.download-box .btn{width:100%}.download-box .btn.is-loading{opacity:.82;pointer-events:none}
.download-progress{display:none;margin-top:13px;padding:12px;border-radius:14px;background:var(--surface);border:1px solid var(--line)}.download-progress.show{display:block}.download-progress-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--ink2);font-weight:800}.download-progress-meta b{color:var(--brand);font-size:13px}.download-progress-track{height:9px;background:color-mix(in srgb,var(--brand) 10%,var(--surface));border-radius:999px;overflow:hidden;margin:9px 0 7px}.download-progress-track i{display:block;width:0%;height:100%;background:linear-gradient(90deg,#1684df,#6b53df);border-radius:inherit;transition:width .18s ease}.download-progress.indeterminate .download-progress-track i{width:42%;animation:downloadIndeterminate 1.1s ease-in-out infinite}.download-progress small{display:block;color:#587086;font-size:11px}@keyframes downloadIndeterminate{0%{transform:translateX(140%)}50%{transform:translateX(20%)}100%{transform:translateX(-150%)}}
.article-thumb-image,.article-feature-image,.article-mini-img,.article-service-img,.article-hero-media{background:#eaf0f5}.article-thumb-image img,.article-feature-image img,.article-mini-img img,.article-service-img img,.article-hero-media img{width:100%;height:100%;object-fit:cover}.article-thumb-image{height:auto;aspect-ratio:16/9;padding:0}.article-index-grid .article-card{border-top-width:2px}.article-index-grid .article-body h3{color:#173957}.article-card .chip{color:#315a79;background:#f4f8fb;border-color:#dce7ef}.article-prose h2{color:#145fae;background:linear-gradient(90deg,#edf5fc,transparent);border-inline-start-color:#145fae}.article-prose h3{color:#5e46b7}
@media(max-width:620px){.hero-v12 .hero-v5-secondary{color:#17324c!important}.hero-v12 .hero-mini-stats span{font-size:9.5px!important;color:#48647b!important}.hero-v12 .hero-mini-stats b{font-size:11px!important}.book-detail{gap:18px}.book-detail .cover-big{padding:8px}.book-media-col .download-box{padding:15px}.download-box .download-hint{font-size:12.5px;line-height:1.8;margin-bottom:10px}.download-progress{padding:10px}.footer-v7 .footer-brand{color:#173957!important}.article-prose h2{font-size:22px}}

/* ===== V13.1 mobile contrast polish ===== */
.hero-v12 .hero-v5-lead{color:#48657d!important}.hero-v12 .hero-v5-titleline{color:#173d5d!important}.hero-v12 .hero-mini-stats span{color:#365773!important;background:#fff!important;opacity:1!important}.hero-v12 .hero-mini-stats b{color:#0d5fbd!important}.home-editorial-head p,.article-feature-copy p,.article-body p,.quick-service small,.stage-card p,.muted{color:#4b667d!important}.search-v5 input{color:#263e52!important}.search-v5 input::placeholder{color:#667d8f!important;opacity:1}.footer-v7 .footer-brand,.footer-v7 .footer-brand span{color:#173957!important}.footer-v7 .footer-brand small{color:#536f86!important}.footer-v7 .footer-intro p{color:#49667e!important}.footer-v7 a{color:#365974!important}.footer-v7 .footer-bottom{color:#526f85!important}
:root[data-theme="dark"] .home-editorial-head p,:root[data-theme="dark"] .article-feature-copy p,:root[data-theme="dark"] .article-body p,:root[data-theme="dark"] .quick-service small,:root[data-theme="dark"] .stage-card p,:root[data-theme="dark"] .muted{color:#a9bfd2!important}:root[data-theme="dark"] .search-v5 input{color:#eef6ff!important}:root[data-theme="dark"] .search-v5 input::placeholder{color:#93aabd!important}
.cover-big{min-height:0!important;height:auto!important}.cover-big picture,.cover-big img{display:block!important}.book-media-col{min-height:0!important}.book-detail{align-items:start!important}
@media(max-width:620px){.hero-v12 .hero-v5-lead{font-size:15px!important;line-height:1.85}.hero-v12 .hero-v5-secondary{color:#17324c!important;opacity:1!important}.hero-v12 .hero-mini-stats span{color:#365773!important}.article-body p{font-size:13.5px!important}.footer-v7 .footer-brand,.footer-v7 .footer-brand span{color:#173957!important}}

/* ===== V14 cancel/resume downloads + polished related books ===== */
.download-progress-actions{display:flex;align-items:center;justify-content:flex-start;gap:8px;margin-top:10px}.download-cancel{border:1px solid #d8e4ed;background:#fff;color:#b53b45;border-radius:10px;padding:7px 13px;font:inherit;font-size:12px;font-weight:900;cursor:pointer}.download-cancel:hover{background:#fff5f5;border-color:#efc9cd}.download-cancel[hidden]{display:none!important}:root[data-theme="dark"] .download-cancel{background:#122a41;color:#ff9ba2;border-color:#38506a}.download-progress.is-paused{border-color:#dfcda8;background:color-mix(in srgb,#fff6df 68%,var(--surface))}.download-progress.is-paused .download-progress-meta b{color:#b76a08}.download-progress.is-complete{border-color:#b9e1d2;background:color-mix(in srgb,#eaf9f3 70%,var(--surface))}.download-progress.is-complete .download-progress-meta b{color:#15795d}
.related-grade-books{margin-top:24px}.related-grade-books .section-head{margin-bottom:16px}.related-grade-books .section-head h2{margin-bottom:5px}.related-grade-books .section-head p{color:var(--muted);margin:0}.related-grade-books .book-card{background:var(--surface)}
@media(max-width:620px){.download-progress-actions{margin-top:8px}.download-cancel{padding:7px 12px}.related-grade-books{margin-top:18px}.related-grade-books .grid{grid-template-columns:1fr 1fr}.related-grade-books .book-card{grid-template-columns:64px 1fr;padding:10px;gap:9px}.related-grade-books .book-cover{width:64px;height:88px}.related-grade-books .book-card h3{font-size:13px}.related-grade-books .book-card-action{font-size:10.5px}}

/* ===== V15 premium editorial UI ===== */
:root{--v15-blue:#2563d9;--v15-cyan:#0fa9bf;--v15-violet:#7556d9;--v15-green:#1b9876;--v15-orange:#d98526;--v15-rose:#c94f78;--v15-navy:#16344f;--v15-soft:#f6f9fc}
body{background:#f8fafc;color:#173550}.site-header{border-bottom:1px solid #dbe8f2;background:rgba(255,255,255,.95);box-shadow:0 7px 24px rgba(23,63,96,.05)}
.site-header .brand span{color:#153958}.site-header .brand img{box-shadow:0 8px 22px rgba(37,99,217,.13)}
.section-head h2,.home-editorial-head h2{color:#173b5e}.section-eyebrow{color:var(--v15-blue)}.text-link{color:var(--v15-blue)}
.hero-v15{padding:42px 0 34px;background:radial-gradient(circle at 80% 5%,rgba(15,169,191,.14),transparent 30%),radial-gradient(circle at 12% 8%,rgba(117,86,217,.11),transparent 26%),linear-gradient(180deg,#fff,#f5f9ff 72%,#f8fafc)}
.hero-v15-shell{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);gap:30px;align-items:center}.hero-v15-copy{padding:18px 0}.kicker-v15{display:inline-flex;align-items:center;gap:9px;padding:8px 13px;border:1px solid #d8e6f1;background:#fff;border-radius:999px;color:#41647f;font-weight:900;font-size:13px;box-shadow:0 7px 18px rgba(32,76,111,.05)}.hero-v15 h1{font-size:clamp(46px,5.4vw,76px);line-height:1.05;margin:18px 0 12px;color:#143653;letter-spacing:-1.7px}.hero-v15-sub{font-size:clamp(24px,2.5vw,35px);font-weight:900;line-height:1.42;margin:0 0 12px;color:#244b68}.hero-v15-sub strong{background:linear-gradient(100deg,var(--v15-blue),var(--v15-violet));-webkit-background-clip:text;background-clip:text;color:transparent}.hero-v15-lead{font-size:16px;color:#698094;max-width:700px;margin:0 0 20px}.hero-v15-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}.hero-v15-search{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid #d9e6ef;border-radius:18px;padding:7px;box-shadow:0 14px 36px rgba(38,79,115,.08);max-width:720px}.hero-v15-search>span{font-size:24px;color:#2d6ea1;padding-inline-start:9px}.hero-v15-search input{flex:1;min-width:0;border:0;background:transparent;font:inherit;padding:9px 7px;outline:0;color:#173550}.hero-v15-search button{border:0;background:linear-gradient(120deg,var(--v15-blue),var(--v15-violet));color:#fff;border-radius:13px;padding:10px 18px;font:inherit;font-weight:900}.hero-v15-stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.hero-v15-stats span{display:inline-flex;gap:5px;align-items:center;background:#fff;border:1px solid #e1eaf2;border-radius:999px;padding:7px 11px;color:#728799;font-size:12px;font-weight:800}.hero-v15-stats b{color:#205dbe;font-size:14px}
.hero-v15-board{background:linear-gradient(145deg,#fff,#f5f9ff);border:1px solid #dce8f2;border-radius:34px;padding:20px;box-shadow:0 26px 70px rgba(30,78,119,.12);position:relative;overflow:hidden}.hero-v15-board:before{content:"";position:absolute;width:240px;height:240px;border-radius:50%;border:1px solid rgba(37,99,217,.13);left:-95px;bottom:-110px}.board-brand{display:flex;align-items:center;gap:12px;padding:7px 8px 17px;border-bottom:1px solid #e5edf4;margin-bottom:14px}.board-brand img{border-radius:18px}.board-brand small{display:block;color:#72879a;font-size:11px;font-weight:800}.board-brand strong{display:block;color:#173c5e;font-size:21px}.board-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}.board-tile{min-height:158px;padding:16px;border-radius:24px;border:1px solid transparent;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;position:relative;overflow:hidden;transition:.2s ease}.board-tile:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(31,77,113,.10)}.board-tile img{border-radius:18px;margin-bottom:8px}.board-tile .board-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:18px;font-size:25px;margin-bottom:9px;background:rgba(255,255,255,.72)}.board-tile span:not(.board-icon){font-size:11px;font-weight:900;opacity:.76}.board-tile strong{font-size:17px;line-height:1.45;margin:2px 0}.board-tile em{font-style:normal;font-size:11px;opacity:.68}.bt-books{background:#eaf6ff;border-color:#cbe5fa;color:#175a94}.bt-exams{background:#f2edff;border-color:#dfd3fb;color:#6447b9}.bt-articles{background:#edf9f5;border-color:#d0eee4;color:#157d63}.bt-services{background:#fff3e8;border-color:#f5ddc3;color:#a86017}
.home-quick-v15{padding:18px 0 28px;background:#fff}.home-quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick-v15{min-height:132px;padding:18px;border-radius:24px;border:1px solid;display:flex;flex-direction:column;justify-content:center;box-shadow:0 10px 30px rgba(30,72,105,.055)}.quick-v15 span{font-size:11px;font-weight:900}.quick-v15 strong{font-size:16px;line-height:1.5;margin:5px 0}.quick-v15 b{font-size:12px}.q-books{background:#f4f9ff;border-color:#bcdcff;color:#1e63ab}.q-results{background:#f0fbf7;border-color:#bfe9d9;color:#157a61}.q-seat{background:#fff8ee;border-color:#f1d7b4;color:#a76419}.q-exams{background:#f6f1ff;border-color:#d7c8f6;color:#6748b7}
.home-new-v15{background:#f8fafc}.home-new-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.home-new-article{overflow:hidden;border-radius:26px;border:1px solid #dce8f2;background:#fff;box-shadow:0 14px 36px rgba(29,73,109,.07);display:flex;flex-direction:column;transition:.22s ease}.home-new-article:nth-child(1){--accent:#2563d9;border-color:#cfe0fb}.home-new-article:nth-child(2){--accent:#7556d9;border-color:#ddd2f8}.home-new-article:nth-child(3){--accent:#159078;border-color:#ccebe2}.home-new-article:hover{transform:translateY(-4px);box-shadow:0 22px 46px rgba(29,73,109,.11)}.home-new-thumb{aspect-ratio:16/9;overflow:hidden}.home-new-thumb img{width:100%;height:100%;object-fit:cover;transition:.25s ease}.home-new-article:hover img{transform:scale(1.025)}.home-new-copy{padding:20px;display:flex;flex-direction:column;flex:1}.home-new-copy .chip{align-self:flex-start;color:var(--accent);border-color:color-mix(in srgb,var(--accent) 25%,#dfe8f0);background:color-mix(in srgb,var(--accent) 7%,#fff)}.home-new-copy h3{font-size:20px;line-height:1.58;color:var(--accent);margin:11px 0 8px}.home-new-copy p{color:#657c8f;font-size:13px;flex:1}.home-new-copy .article-read{color:var(--accent)}
.home-editorial-v15{background:#fff}.home-editorial-v15 .article-feature-main,.home-editorial-v15 .article-mini-card{border:1px solid #dde8f1;box-shadow:0 12px 34px rgba(32,75,108,.07)}.home-editorial-v15 .article-feature-copy h3{color:#245da8}.home-editorial-v15 .article-mini-card:nth-child(1) h3{color:#6c4fbd}.home-editorial-v15 .article-mini-card:nth-child(2) h3{color:#147d68}.home-editorial-v15 .article-mini-card:nth-child(3) h3{color:#b36b20}.home-editorial-v15 .article-mini-card:nth-child(4) h3{color:#b84872}
.student-services-v15{background:#f6f9fc}.student-services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.student-services-v15 .article-service-card{display:grid;grid-template-columns:190px 1fr;border:1px solid #dce8f2;overflow:hidden;border-radius:25px;box-shadow:0 12px 34px rgba(31,73,107,.06);background:#fff}.student-services-v15 .article-service-card:nth-child(1){border-inline-start:4px solid #2470d8}.student-services-v15 .article-service-card:nth-child(2){border-inline-start:4px solid #7556d9}.student-services-v15 .article-service-card:nth-child(3){border-inline-start:4px solid #159078}.student-services-v15 .article-service-card:nth-child(4){border-inline-start:4px solid #d58628}.student-services-v15 .article-service-img{height:100%;min-height:190px}.student-services-v15 .article-service-card>div:last-child{padding:19px}.student-services-v15 h3{color:#1d4f7a}.stage-v15{background:#fff}.stage-v15 .stage-card{box-shadow:0 11px 30px rgba(30,75,109,.055);border-width:1px}.stage-v15 .stage-card:nth-child(1){border-color:#bcdfff;background:#f7fbff}.stage-v15 .stage-card:nth-child(2){border-color:#bfe9d9;background:#f7fcfa}.stage-v15 .stage-card:nth-child(3){border-color:#dacff6;background:#faf8ff}.latest-v15{background:#f7fafc}.latest-v15 .book-card{border-color:#dce8f1;box-shadow:0 10px 28px rgba(29,72,105,.05)}.cta-v15{background:linear-gradient(120deg,#2563d9,#0fa9bf 48%,#7556d9);box-shadow:0 22px 55px rgba(45,91,164,.2)}
.articles-index-v15{background:#f8fafc}.article-highlight-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:18px;margin:22px 0 34px}.article-highlight-main{display:grid;grid-template-columns:1.02fr .98fr;overflow:hidden;border-radius:28px;background:#fff;border:1px solid #d8e6f1;box-shadow:0 18px 45px rgba(27,72,108,.09)}.article-highlight-main .article-thumb-image{height:100%;min-height:350px}.article-highlight-copy{padding:28px;display:flex;flex-direction:column;justify-content:center}.article-highlight-copy h2{font-size:29px;line-height:1.5;color:#245fba;margin:10px 0}.article-highlight-copy p{color:#667e91}.article-highlight-side{display:grid;gap:14px}.article-highlight-small{display:grid;grid-template-columns:155px 1fr;overflow:hidden;border-radius:24px;border:1px solid #dce8f1;background:#fff;box-shadow:0 12px 32px rgba(27,71,104,.06)}.article-highlight-small .article-thumb-image{height:100%;min-height:155px}.article-highlight-small>div:last-child{padding:18px}.article-highlight-small h3{font-size:17px;line-height:1.55;margin:8px 0;color:#654ab7}.article-index-grid{grid-template-columns:repeat(3,1fr)!important}.article-index-grid .article-card{border:1px solid var(--card-line,#dce8f1);border-top:0;box-shadow:0 11px 30px rgba(28,70,103,.055);border-radius:24px}.article-index-grid .article-card:nth-child(6n+1){--card-accent:#2563d9;--card-line:#cbdcf7}.article-index-grid .article-card:nth-child(6n+2){--card-accent:#7556d9;--card-line:#d9cff3}.article-index-grid .article-card:nth-child(6n+3){--card-accent:#159078;--card-line:#c9e8df}.article-index-grid .article-card:nth-child(6n+4){--card-accent:#d98526;--card-line:#efd8bc}.article-index-grid .article-card:nth-child(6n+5){--card-accent:#c94f78;--card-line:#edccd8}.article-index-grid .article-card:nth-child(6n){--card-accent:#138da7;--card-line:#c8e5ea}.article-index-grid .article-body h3{color:var(--card-accent)!important}.article-index-grid .article-read{color:var(--card-accent)}.article-index-grid .chip{color:var(--card-accent);background:color-mix(in srgb,var(--card-accent) 7%,#fff);border-color:color-mix(in srgb,var(--card-accent) 22%,#e1eaf1)}
.article-prose{border:1px solid #dfe8ef;box-shadow:0 15px 42px rgba(30,72,105,.07);color:#29465f}.article-prose>p:first-of-type{font-size:17px;line-height:1.9;color:#244b67}.article-prose h2{color:#2368b9!important;background:transparent!important;border-inline-start:4px solid #4b86cf;padding:4px 14px!important;border-radius:0!important}.article-prose h2:nth-of-type(3n+2){color:#6b4fbc!important;border-color:#8b72d5}.article-prose h2:nth-of-type(3n){color:#16826b!important;border-color:#40a28e}.article-prose h3{color:#6a50b7!important}.article-prose .context-link,.article-prose .text-link{color:#2368b9!important;text-decoration-color:#8eb5df}.article-toc{background:#f7faff!important;border-color:#dce8f4!important}.official-links{background:#f3f9ff!important;border-color:#cfe1f2!important}.article-meta span:first-child{color:#2563d9;font-weight:900}.article-hero-media{border-radius:25px;border-color:#dbe7ef;box-shadow:0 15px 38px rgba(26,68,102,.09)}
.card{border-color:#dce7ef}.book-card{border-inline-start:3px solid #c6def5}.subject-card{border-inline-start:3px solid #d5cff3}.exam-file{border-inline-start:3px solid #e7c9c9}.detail-item small{color:#70869a}.detail-item b{color:#173d60}.download-box{border-color:#c9dded}.download-progress{border-color:#bed9eb}.download-progress-meta b{color:#276cc5}.page-hero h1{color:#153a5d}.prose h2{color:#225f9f}.prose .text-link{color:#246ec4}
:root[data-theme="dark"] body{background:#071423;color:var(--ink)}:root[data-theme="dark"] .site-header{background:rgba(7,20,35,.95);border-color:#1c3851}:root[data-theme="dark"] .hero-v15{background:radial-gradient(circle at 80% 5%,rgba(15,169,191,.12),transparent 30%),radial-gradient(circle at 12% 8%,rgba(117,86,217,.12),transparent 26%),#071423}:root[data-theme="dark"] .hero-v15 h1,:root[data-theme="dark"] .hero-v15-sub,:root[data-theme="dark"] .board-brand strong{color:#f2f7ff}:root[data-theme="dark"] .hero-v15-lead{color:#99afc1}:root[data-theme="dark"] .kicker-v15,:root[data-theme="dark"] .hero-v15-search,:root[data-theme="dark"] .hero-v15-board,:root[data-theme="dark"] .hero-v15-stats span,:root[data-theme="dark"] .home-new-article,:root[data-theme="dark"] .student-services-v15 .article-service-card,:root[data-theme="dark"] .article-highlight-main,:root[data-theme="dark"] .article-highlight-small{background:var(--surface);border-color:var(--line)}:root[data-theme="dark"] .home-quick-v15,:root[data-theme="dark"] .home-editorial-v15,:root[data-theme="dark"] .stage-v15{background:var(--bg)}:root[data-theme="dark"] .home-new-v15,:root[data-theme="dark"] .student-services-v15,:root[data-theme="dark"] .latest-v15,:root[data-theme="dark"] .articles-index-v15{background:#081727}:root[data-theme="dark"] .quick-v15,:root[data-theme="dark"] .stage-v15 .stage-card{background:var(--surface)!important;border-color:var(--line)!important}
@media(max-width:980px){.hero-v15-shell{grid-template-columns:1fr}.hero-v15-board{max-width:760px;width:100%;margin-inline:auto}.home-quick-grid{grid-template-columns:1fr 1fr}.home-new-grid{grid-template-columns:1fr 1fr}.home-new-article:last-child{grid-column:1/-1}.student-services-v15 .article-service-card{grid-template-columns:150px 1fr}.article-highlight-grid{grid-template-columns:1fr}.article-highlight-side{grid-template-columns:1fr 1fr}.article-index-grid{grid-template-columns:1fr 1fr!important}}
@media(max-width:620px){.hero-v15{padding:22px 0 24px}.hero-v15-shell{gap:20px}.hero-v15-copy{padding:4px 0}.hero-v15 h1{font-size:42px;letter-spacing:-1px}.hero-v15-sub{font-size:23px}.hero-v15-lead{font-size:14px}.hero-v15-actions{display:grid;grid-template-columns:1fr 1fr}.hero-v15-actions .btn{padding-inline:8px;font-size:13px}.hero-v15-search{border-radius:16px}.hero-v15-search button{padding:9px 13px}.hero-v15-board{padding:15px;border-radius:27px}.board-brand img{width:54px;height:54px}.board-brand strong{font-size:18px}.board-grid{gap:8px}.board-tile{min-height:135px;padding:13px;border-radius:20px}.board-tile img{width:52px;height:52px}.board-tile .board-icon{width:46px;height:46px}.board-tile strong{font-size:14px}.hero-v15-stats{gap:5px}.hero-v15-stats span{font-size:10.5px;padding:6px 8px}.home-quick-grid{gap:8px}.quick-v15{min-height:112px;padding:14px;border-radius:19px}.quick-v15 strong{font-size:13px}.home-new-grid{grid-template-columns:1fr;gap:14px}.home-new-article:last-child{grid-column:auto}.home-new-article{display:grid;grid-template-columns:42% 58%;border-radius:22px}.home-new-thumb{height:100%;aspect-ratio:auto}.home-new-copy{padding:14px}.home-new-copy h3{font-size:15px;margin:7px 0}.home-new-copy p{font-size:11.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.home-top-side{grid-template-columns:1fr!important}.student-services-grid{grid-template-columns:1fr}.student-services-v15 .article-service-card{grid-template-columns:115px 1fr}.student-services-v15 .article-service-img{min-height:150px}.student-services-v15 .article-service-card>div:last-child{padding:14px}.student-services-v15 h3{font-size:15px}.article-highlight-main{grid-template-columns:1fr;border-radius:22px}.article-highlight-main .article-thumb-image{min-height:auto;aspect-ratio:16/9}.article-highlight-copy{padding:18px}.article-highlight-copy h2{font-size:22px}.article-highlight-side{grid-template-columns:1fr}.article-highlight-small{grid-template-columns:118px 1fr;border-radius:20px}.article-highlight-small .article-thumb-image{min-height:135px}.article-highlight-small>div:last-child{padding:13px}.article-index-grid{grid-template-columns:1fr!important}.article-index-grid .article-card{display:grid;grid-template-columns:42% 58%;border-radius:21px}.article-index-grid .article-thumb-image{height:100%;aspect-ratio:auto}.article-index-grid .article-body{padding:14px}.article-index-grid .article-body h3{font-size:15px}.article-index-grid .article-body p{font-size:11.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-prose h2{font-size:22px!important}.section-head h2,.home-editorial-head h2{font-size:27px}}


/* ===== V16 circles + readability + uncropped article cards ===== */
.hero-v16{overflow:hidden}.hero-v16-shell{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);grid-template-areas:"intro orbit" "controls orbit";column-gap:34px;row-gap:12px;align-items:center}.hero-v16-intro{grid-area:intro;padding-top:6px}.hero-v16-controls{grid-area:controls;padding-bottom:4px}.hero-v16 h1{font-size:clamp(46px,5.4vw,76px);line-height:1.06;margin:18px 0 12px;color:#143653;letter-spacing:-1.5px}.hero-orbit-v16{grid-area:orbit;position:relative;min-height:445px;width:min(100%,520px);justify-self:center;isolation:isolate}.orbit-line-v16{position:absolute;border:1.5px solid rgba(37,99,217,.17);border-radius:50%;pointer-events:none;z-index:0}.orbit-a-v16{width:430px;height:300px;inset:74px 36px auto auto;transform:rotate(-8deg)}.orbit-b-v16{width:365px;height:365px;inset:40px auto auto 65px;border-style:dashed;border-color:rgba(117,86,217,.18)}.orbit-card-v16,.orbit-core-v16{position:absolute;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:rgba(255,255,255,.94);backdrop-filter:blur(9px);box-shadow:0 20px 46px rgba(30,77,116,.11);z-index:2;transition:transform .22s ease,box-shadow .22s ease}.orbit-card-v16:hover,.orbit-core-v16:hover{transform:translateY(-4px);box-shadow:0 26px 56px rgba(30,77,116,.16)}.orbit-card-v16 img,.orbit-core-v16 img{border-radius:20px}.orbit-card-v16 span{font-size:11px;font-weight:900;margin-top:8px}.orbit-card-v16 strong{font-size:18px;line-height:1.4;margin:2px 0}.orbit-card-v16 em{font-style:normal;font-size:11px;opacity:.72}.orbit-books-v16{width:230px;height:230px;right:6px;top:22px;border:2px solid #a8d5f7;color:#175e99;background:linear-gradient(145deg,#fff,#eef8ff)}.orbit-exams-v16{width:220px;height:220px;left:4px;bottom:20px;border:2px solid #c9b8ef;color:#6545b7;background:linear-gradient(145deg,#fff,#f6f0ff)}.orbit-core-v16{width:155px;height:155px;left:50%;top:50%;transform:translate(-50%,-50%);border:2px solid #d4e4f1;color:#173c5e;background:#fff;z-index:3}.orbit-core-v16:hover{transform:translate(-50%,-52%)}.orbit-core-v16 strong{font-size:15px;line-height:1.4;margin-top:6px}.orbit-core-v16 small{font-size:10px;color:#6e8496;font-weight:800}.orbit-books-v16:after,.orbit-exams-v16:after,.orbit-core-v16:after{content:"";position:absolute;inset:-10px;border-radius:50%;border:1px solid currentColor;opacity:.11;pointer-events:none}.hero-orbit-v16:after{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,#1ec5e8,#6f5ee8);box-shadow:0 0 0 7px rgba(54,118,225,.06),0 0 22px rgba(54,118,225,.35);left:49%;top:49%;z-index:1}
.article-body h3,.article-highlight-small h3,.article-service-card h3,.home-new-copy h3,.article-mini-card h3{font-weight:900;letter-spacing:0}.article-body p,.article-highlight-copy p,.article-service-card p,.home-new-copy p,.article-feature-copy p{color:#405f76!important;font-size:15px!important;line-height:1.9!important;font-weight:600}.article-read{font-size:14px;font-weight:900}.article-card .chip,.article-highlight-small .chip,.article-highlight-copy .chip{font-size:12px;font-weight:900}.article-index-grid .article-body h3{font-size:19px;line-height:1.65}.article-highlight-small h3{font-size:18px!important}.article-highlight-copy h2{line-height:1.55}.article-index-grid .article-card{overflow:hidden;display:flex!important;flex-direction:column!important}.article-index-grid .article-thumb-image{width:100%;height:auto!important;aspect-ratio:16/9;background:#f4f8fb}.article-index-grid .article-thumb-image img{width:100%;height:100%;object-fit:contain!important;background:#f4f8fb}.article-highlight-main .article-thumb-image img,.article-highlight-small .article-thumb-image img{object-fit:cover!important;background:#f4f8fb}.article-index-grid .article-body{display:flex;flex-direction:column;flex:1}.article-index-grid .article-body p{flex:1}.article-index-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}
@media(max-width:900px){.hero-v16-shell{grid-template-columns:1fr;grid-template-areas:"intro" "orbit" "controls";row-gap:10px}.hero-orbit-v16{min-height:390px;width:min(100%,520px);margin-top:2px}.orbit-books-v16{width:210px;height:210px}.orbit-exams-v16{width:200px;height:200px}.orbit-core-v16{width:142px;height:142px}.article-index-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}}
@media(max-width:620px){.hero-v16{padding:22px 0 24px}.hero-v16 h1{font-size:42px}.hero-v16-intro{text-align:right}.hero-orbit-v16{min-height:360px;width:100%;margin:4px auto 8px}.orbit-a-v16{width:330px;height:230px;right:calc(50% - 165px);top:58px}.orbit-b-v16{width:300px;height:300px;left:calc(50% - 150px);top:26px}.orbit-books-v16{width:188px;height:188px;right:0;top:8px}.orbit-exams-v16{width:178px;height:178px;left:0;bottom:6px}.orbit-core-v16{width:125px;height:125px}.orbit-card-v16 img{width:62px;height:62px}.orbit-core-v16 img{width:56px;height:56px}.orbit-card-v16 strong{font-size:15px}.orbit-card-v16 span,.orbit-card-v16 em{font-size:10px}.orbit-core-v16 strong{font-size:12.5px}.orbit-core-v16 small{font-size:8.5px}.hero-v15-actions{display:grid;grid-template-columns:1fr 1fr}.hero-v15-actions .btn{font-size:13px;padding-inline:8px}.article-index-grid{grid-template-columns:1fr!important}.article-index-grid .article-card{display:flex!important;flex-direction:column!important;border-radius:24px}.article-index-grid .article-thumb-image{width:100%;aspect-ratio:16/9!important;height:auto!important}.article-index-grid .article-thumb-image img{object-fit:cover!important}.article-index-grid .article-body{padding:18px!important}.article-index-grid .article-body h3{font-size:19px!important;line-height:1.7!important}.article-index-grid .article-body p{font-size:15px!important;line-height:1.9!important;-webkit-line-clamp:4!important}.article-highlight-main{display:flex;flex-direction:column}.article-highlight-main .article-thumb-image{width:100%;aspect-ratio:16/9!important;min-height:0!important}.article-highlight-side{grid-template-columns:1fr!important}.article-highlight-small{display:flex;flex-direction:column!important}.article-highlight-small .article-thumb-image{width:100%;aspect-ratio:16/9!important;min-height:0!important}.article-highlight-small>div:last-child{padding:16px}.article-highlight-small h3{font-size:18px!important;line-height:1.7}.article-highlight-copy p{font-size:15px!important;line-height:1.9!important}.home-new-copy p,.article-feature-copy p,.article-service-card p{font-size:14.5px!important;line-height:1.85!important}.home-new-copy h3,.article-mini-card h3,.article-service-card h3{font-size:17px!important;line-height:1.7!important}}


/* V19 final targeted fixes: student-services cards + uncropped portrait article index */
.student-services-v15 .student-services-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.student-services-v15 .article-service-card{display:flex!important;flex-direction:column!important;overflow:hidden;border-radius:24px}
.student-services-v15 .article-service-img{width:100%;aspect-ratio:16/9;min-height:0!important;background:#f4f8fb;overflow:hidden}
.student-services-v15 .article-service-img img{width:100%;height:100%;object-fit:contain!important;background:#f4f8fb}
.student-services-v15 .article-service-card>div:last-child{padding:18px!important;display:flex;flex-direction:column;flex:1}
.student-services-v15 .article-service-card h3{font-size:19px!important;line-height:1.7!important;margin:8px 0}
.student-services-v15 .article-service-card p{font-size:15px!important;line-height:1.9!important;flex:1}
.articles-index-v15 .article-thumb-image{background:#f4f8fb!important;overflow:hidden}
.articles-index-v15 .article-thumb-image img{width:100%;height:auto!important;object-fit:contain!important;background:#f4f8fb}
.articles-index-v15 .article-index-grid .article-thumb-image{aspect-ratio:4/5!important}
.articles-index-v15 .article-index-grid .article-thumb-image img{aspect-ratio:4/5!important;object-fit:contain!important}
.articles-index-v15 .article-highlight-main .article-thumb-image,.articles-index-v15 .article-highlight-small .article-thumb-image{aspect-ratio:4/5!important;min-height:0!important}
.articles-index-v15 .article-highlight-main .article-thumb-image img,.articles-index-v15 .article-highlight-small .article-thumb-image img{aspect-ratio:4/5!important;object-fit:contain!important}
@media(max-width:620px){
 .student-services-v15 .student-services-grid{grid-template-columns:1fr!important}
 .student-services-v15 .article-service-card{display:flex!important;flex-direction:column!important}
 .student-services-v15 .article-service-img{width:100%!important;aspect-ratio:16/9!important}
 .articles-index-v15 .article-index-grid .article-thumb-image,
 .articles-index-v15 .article-highlight-main .article-thumb-image,
 .articles-index-v15 .article-highlight-small .article-thumb-image{aspect-ratio:4/5!important;height:auto!important}
 .articles-index-v15 .article-index-grid .article-thumb-image img,
 .articles-index-v15 .article-highlight-main .article-thumb-image img,
 .articles-index-v15 .article-highlight-small .article-thumb-image img{width:100%!important;height:auto!important;aspect-ratio:4/5!important;object-fit:contain!important}
}


/* V26: fix article highlights on laptop/tablet without changing mobile */
@media (min-width:621px){
  .articles-index-v15 .article-highlight-grid{align-items:start!important}
  .articles-index-v15 .article-highlight-main,
  .articles-index-v15 .article-highlight-small{min-width:0!important;overflow:hidden!important}
  .articles-index-v15 .article-highlight-main .article-thumb-image,
  .articles-index-v15 .article-highlight-small .article-thumb-image{
    height:100%!important;
    min-height:155px!important;
    aspect-ratio:auto!important;
    padding:0!important;
    overflow:hidden!important;
    background:#f4f8fb!important;
  }
  .articles-index-v15 .article-highlight-main .article-thumb-image img,
  .articles-index-v15 .article-highlight-small .article-thumb-image img{
    width:100%!important;
    height:100%!important;
    aspect-ratio:auto!important;
    object-fit:cover!important;
    display:block!important;
  }
}
@media (min-width:621px) and (max-width:980px){
  .articles-index-v15 .article-highlight-main{
    display:grid!important;
    grid-template-columns:minmax(250px,.9fr) minmax(0,1.1fr)!important;
  }
  .articles-index-v15 .article-highlight-main .article-thumb-image{min-height:350px!important}
  .articles-index-v15 .article-highlight-side{grid-template-columns:1fr!important}
  .articles-index-v15 .article-highlight-small{
    display:grid!important;
    grid-template-columns:170px minmax(0,1fr)!important;
  }
}