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i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--z-mint)}.z-commerce aside>section{padding:22px;border:1px solid rgba(255,255,255,.11);border-radius:22px;background:rgba(255,255,255,.025)}.z-commerce aside>section>small{color:#718b9f}.z-commerce aside>section>div{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.08)}.z-commerce aside>section>div:last-child{border:0}.z-commerce aside>section i{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;font-style:normal;font-weight:900}.wechat{background:#19a76a}.alipay{background:#1677ff}.z-commerce aside>section b{color:#71899c;font-size:8px}.z-commerce aside>footer span{display:grid;color:#728a9e;font-size:9px}.z-commerce aside>footer strong{margin-top:7px;color:#fff;font-size:14px}.z-impact>.z-container{display:grid;grid-template-columns:1fr .7fr;gap:70px;align-items:center;padding:70px;border:1px solid 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150px;text-align:center}.z-final>div>span{color:var(--z-mint);font-size:9px;letter-spacing:.2em}.z-final h2{margin:20px auto 28px;color:#fff;font-size:clamp(52px,7vw,96px);line-height:.98;letter-spacing:-.06em}.z-final p{color:#839bad}.z-final>div>div{display:flex;justify-content:center;gap:10px;margin-top:28px}.z-final a{padding:16px 22px;border:1px solid rgba(255,255,255,.12);border-radius:14px}.z-final a:first-child{color:#06141b;background:var(--z-mint)}
.z-footer{padding:70px 0 20px;color:#8ca2b4;background:#030914;border-top:1px solid var(--z-line)}.z-footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:55px}.z-footer-grid>div p{max-width:390px;line-height:1.8}.z-footer nav{display:flex;flex-direction:column;gap:12px}.z-footer nav strong{color:#fff}.z-footer nav a{font-size:12px}.z-footer-bottom{display:flex;justify-content:space-between;margin-top:50px;padding-top:20px;border-top:1px solid var(--z-line);font-size:10px}.z-content-page,.z-commerce-shell{min-height:70vh;padding:70px 0;background:#f4f7fa}.z-page-card,.z-standard-article,.z-empty{padding:40px;border:1px solid #dce5ed;border-radius:24px;background:#fff;box-shadow:0 15px 45px rgba(25,50,78,.06)}.z-page-card>header span{color:#187084;font-size:10px;letter-spacing:.13em}.z-page-card>header h1{font-size:42px}.z-entry-content{line-height:1.8}.woocommerce .button,.woocommerce button.button,.woocommerce input.button{border-radius:10px!important;color:#06141b!important;background:var(--z-mint)!important}.woocommerce form .form-row input.input-text,.woocommerce form .form-row textarea{padding:11px;border:1px solid #dce5ed;border-radius:9px}.woocommerce-message,.woocommerce-info{border-top-color:#1fae91!important}.woocommerce-message:before,.woocommerce-info:before{color:#1fae91!important}
@keyframes z-rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}@keyframes z-orbit{to{transform:rotate(360deg)}}@keyframes z-float{50%{transform:translateY(-9px)}}
@media(max-width:1100px){.z-container{width:min(100% - 40px,1000px)}.z-header-actions>a:not(.z-signup){display:none}.z-hero-layout{grid-template-columns:1fr}.z-orbit-stage{width:min(78vw,620px);justify-self:center}.z-course-deck{grid-template-columns:repeat(2,minmax(0,1fr))}.z-role-grid{grid-template-columns:repeat(2,1fr)}.z-loop-grid{grid-template-columns:1fr}.z-commerce>.z-container{grid-template-columns:1fr}.z-commerce>.z-container>div{border-right:0;border-bottom:1px solid var(--z-line)}.z-pulse>.z-container{grid-template-columns:auto repeat(4,1fr)}.z-pulse>div>i{display:none}}
@media(max-width:760px){.z-container{width:calc(100% - 28px)}.z-announcement{display:none}.z-site-header{height:64px}.z-header-inner{width:calc(100% - 20px);display:flex;justify-content:space-between;gap:8px}.z-brand{order:1;min-width:0}.z-brand-symbol{width:38px;height:38px}.z-brand-copy strong{font-size:14px}.z-brand-copy small{display:none}.z-header-left{order:2}.z-course-trigger{width:80px;height:40px;padding:0 10px;justify-content:center}.z-course-trigger>span{font-size:0}.z-course-trigger>span:after{content:"课程";font-size:11px}.z-course-trigger>em{display:none}.z-search-trigger,.z-header-actions{display:none}.z-course-drawer{position:fixed;top:64px;bottom:0;overflow:auto;padding:0 0 35px;scrollbar-width:none}.z-course-drawer::-webkit-scrollbar{display:none}.z-course-drawer header{grid-template-columns:1fr auto;gap:7px 12px;padding:18px 0}.z-course-drawer header span{grid-column:1/-1}.z-course-drawer header strong{font-size:12px;line-height:1.5}.z-course-groups{grid-template-columns:1fr;gap:0;padding-top:5px}.z-course-groups>div{padding:12px 0}.z-course-groups a{min-height:41px;align-items:center}.z-search-layer{padding-top:80px}.z-search-layer form{padding:20px}.z-search-layer input{font-size:18px}.z-home .z-container{width:calc(100% - 24px)}.z-hero{min-height:auto}.z-hero-layout{padding:52px 12px 72px;gap:25px}.z-live-label{font-size:8px;letter-spacing:.08em}.z-hero h1{font-size:clamp(43px,13.5vw,54px);line-height:1.01}.z-hero-copy>p{font-size:13px;line-height:1.75}.z-hero-actions{display:grid;grid-template-columns:1fr;gap:10px;margin:28px 0 34px}.z-hero-actions a{width:100%;justify-content:center;min-height:54px}.z-hero-proof{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.z-hero-proof span{min-width:0;padding:15px 10px;border-left:0;border-bottom:1px solid rgba(255,255,255,.08)}.z-hero-proof span:nth-child(odd){padding-left:0;border-right:1px solid rgba(255,255,255,.08)}.z-orbit-stage{width:min(100%,420px)}.z-mastery-core{inset:31%;padding:15px}.z-float{max-width:44%;padding:10px}.z-float-c{left:50%;transform:translateX(-50%);max-width:80%;white-space:nowrap}.z-depth-card{right:1%;width:58px;height:76px}.z-pulse>.z-container{grid-template-columns:repeat(2,1fr);gap:16px;padding:20px 0}.z-pulse>div>span{grid-column:1/-1}.z-section{padding:72px 0}.z-section-heading{display:block;margin-bottom:36px}.z-section-heading h2{font-size:clamp(34px,10.5vw,42px)}.z-section-heading p{margin-top:22px;font-size:13px}.z-category-rail{margin-inline:-14px;padding-inline:14px}.z-course-deck{grid-template-columns:minmax(0,1fr)}.z-course-card{width:100%;min-width:0}.z-course-poster{min-height:210px}.z-course-content{padding:20px}.z-course-content h3{font-size:24px}.z-section-footer{align-items:flex-start;flex-direction:column;gap:14px}.z-loop-visual{min-height:480px;display:block;padding-top:40px}.z-loop-sphere{width:min(240px,66vw);margin:auto}.z-loop-visual article{margin:-22px 0 0;padding:25px}.z-role-grid{grid-template-columns:1fr}.z-role-grid>a{min-height:285px;padding:22px}.z-commerce>.z-container{width:calc(100% - 28px);border-radius:26px}.z-commerce>.z-container>div{padding:30px 22px}.z-payment-flow{display:grid;grid-template-columns:1fr}.z-payment-flow>i{display:none}.z-commerce aside{min-height:430px;padding:22px}.z-impact>.z-container{width:calc(100% - 28px);grid-template-columns:1fr;gap:30px;padding:30px 22px;border-radius:26px}.z-impact h2{font-size:38px}.z-impact>div>div>div,.z-final>div>div{flex-direction:column}.z-final{padding:90px 0 115px}.z-final h2{font-size:clamp(44px,14vw,58px)}.z-footer-grid{grid-template-columns:1fr 1fr;gap:30px}.z-footer-grid>div{grid-column:1/-1}.z-footer-bottom{flex-direction:column;gap:8px}}
.z-brand-symbol{overflow:visible;border:0;background:none;box-shadow:0 10px 30px rgba(68,226,207,.17)}
.z-brand-symbol:before{display:none}
.z-brand-symbol img{display:block;width:100%;height:100%;object-fit:contain;border-radius:14px}
@media(max-width:360px){.z-brand-copy{display:none}.z-course-trigger{width:76px}.z-hero h1{font-size:40px}.z-float{max-width:48%}.z-footer-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Immersive paid course detail */
.z-course-detail{color:var(--z-white);background:#050d18}.z-course-hero{position:relative;overflow:hidden;padding:95px 0 105px;border-bottom:1px solid var(--z-line);background:radial-gradient(circle at 82% 12%,rgba(58,105,217,.22),transparent 34%),radial-gradient(circle at 12% 80%,rgba(72,217,193,.11),transparent 32%),#050d18}.z-course-hero:before{content:"";position:absolute;inset:0;opacity:.35;background-image:linear-gradient(rgba(111,174,217,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(111,174,217,.09) 1px,transparent 1px);background-size:68px 68px;mask-image:linear-gradient(90deg,#000,transparent 72%)}.z-course-glow{position:absolute;width:560px;aspect-ratio:1;right:-170px;top:-250px;border:1px solid rgba(117,234,215,.14);border-radius:50%;box-shadow:inset 0 0 90px rgba(75,134,255,.1)}.z-course-hero-grid{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(55px,8vw,125px);align-items:center}.z-course-intro{min-width:0}.z-course-crumb{display:flex;gap:9px;align-items:center;margin-bottom:36px;color:#6e879b;font-size:10px}.z-course-crumb a{color:var(--z-mint)}.z-course-kicker{display:flex;gap:11px;align-items:center;color:#8098ab;font-size:9px;letter-spacing:.15em}.z-course-kicker i{width:7px;height:7px;border-radius:50%;background:var(--z-mint);box-shadow:0 0 15px var(--z-mint)}.z-course-kicker b{padding:6px 9px;border:1px solid rgba(117,234,215,.2);border-radius:99px;color:var(--z-mint);letter-spacing:0}.z-course-intro h1{max-width:900px;margin:24px 0;color:#fff;font-size:clamp(55px,6.8vw,98px);font-weight:600;line-height:.98;letter-spacing:-.06em}.z-course-intro>p{max-width:790px;color:#9bb1c2;font-size:16px;line-height:1.9}.z-course-author{display:flex;align-items:center;gap:12px;margin-top:28px}.z-course-author>span{width:44px;aspect-ratio:1;display:grid;place-items:center;border:1px solid rgba(117,234,215,.28);border-radius:14px;color:#06141b;background:linear-gradient(135deg,var(--z-mint),#9ccfff);font-weight:900}.z-course-author>div{display:grid;gap:4px}.z-course-author small{color:#617d93;font-size:8px}.z-course-author strong{font-size:13px}.z-course-author>i{padding:5px 8px;border-radius:99px;color:#55d5b5;background:rgba(85,213,181,.1);font-size:8px;font-style:normal}.z-course-facts{display:flex;gap:0;margin-top:38px}.z-course-facts span{padding:0 22px;border-left:1px solid rgba(255,255,255,.11);color:#6f879a;font-size:10px}.z-course-facts span:first-child{padding-left:0;border:0}.z-course-facts b{display:block;margin-bottom:5px;color:#fff;font-size:18px}.z-course-purchase{padding:18px;border:1px solid rgba(255,255,255,.14);border-radius:30px;background:linear-gradient(155deg,rgba(20,44,69,.92),rgba(7,17,31,.97));box-shadow:0 45px 120px rgba(0,0,0,.38)}.z-detail-poster{position:relative;min-height:285px;overflow:hidden;border-radius:20px;background-position:center;background-size:cover}.z-detail-poster:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(3,15,28,.05),rgba(3,15,28,.77))}.z-detail-poster span,.z-detail-poster i,.z-detail-poster b{position:absolute;z-index:1}.z-detail-poster span{left:15px;top:15px;padding:7px 10px;border:1px solid rgba(255,255,255,.2);border-radius:99px;background:rgba(3,16,31,.46);font-size:9px}.z-detail-poster i{width:95px;aspect-ratio:1;left:50%;top:50%;display:grid;place-items:center;transform:translate(-50%,-50%);border:1px solid rgba(117,234,215,.3);border-radius:50%;color:#07151e;background:linear-gradient(145deg,var(--z-mint),#8cc1ff);box-shadow:0 0 50px rgba(117,234,215,.25);font-size:27px;font-style:normal;font-weight:900}.z-detail-poster b{left:16px;bottom:15px;color:#bed0dc;font-size:9px;letter-spacing:.13em}.z-course-price{display:flex;justify-content:space-between;align-items:end;padding:24px 4px 18px}.z-course-price small{color:#8299aa}.z-course-price strong{color:#fff;font-size:30px}.z-course-price del{color:#657d90;font-size:14px}.z-course-buy,.z-course-cart{min-height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-radius:14px}.z-course-buy{color:#07151d;background:linear-gradient(135deg,var(--z-mint),#a8eaff);font-weight:900}.z-course-buy.disabled{opacity:.55}.z-course-cart{min-height:43px;justify-content:center;margin-top:8px;border:1px solid rgba(255,255,255,.13);color:#b9cbd8;font-size:11px}.z-course-purchase ul{display:grid;gap:10px;margin:18px 0 5px;padding:16px 5px 0;border-top:1px solid rgba(255,255,255,.09);list-style:none;color:#8199aa;font-size:10px}.z-course-purchase li:before{content:"✓";margin-right:8px;color:var(--z-mint)}
.z-course-body{padding:125px 0;background:linear-gradient(180deg,#071323,#0a192a)}.z-course-body-grid{display:grid;grid-template-columns:1fr 240px;gap:100px}.z-course-overview>header>span,.z-course-curriculum header span,.z-course-final span{color:var(--z-mint);font-size:9px;letter-spacing:.18em}.z-course-overview>header h2,.z-course-curriculum header h2{margin:16px 0 35px;color:#fff;font-size:clamp(42px,5vw,67px);font-weight:570;line-height:1.02;letter-spacing:-.05em}.z-course-copy{max-width:920px;color:#9eb1bf;font-size:15px;line-height:1.9}.z-course-copy h2{margin:30px 0 10px;color:#fff;font-size:24px}.z-course-copy ul{padding-left:19px}.z-course-gains{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:42px}.z-course-gains article{padding:24px;border:1px solid rgba(255,255,255,.1);border-radius:20px;background:rgba(255,255,255,.025)}.z-course-gains b{color:var(--z-mint);font-size:9px}.z-course-gains h3{margin:30px 0 11px;color:#fff}.z-course-gains p{margin:0;color:#7f96a8;font-size:11px;line-height:1.7}.z-course-path{align-self:start;display:flex;flex-direction:column;align-items:center;padding:29px;border:1px solid rgba(255,255,255,.1);border-radius:28px;background:rgba(255,255,255,.025)}.z-course-path>span{margin-bottom:23px;color:#71899a;font-size:8px;letter-spacing:.16em}.z-course-path strong{width:94px;aspect-ratio:1;display:grid;place-items:center;border:1px solid rgba(117,234,215,.22);border-radius:50%;background:radial-gradient(circle,rgba(117,234,215,.14),transparent 67%)}.z-course-path i{width:1px;height:35px;background:linear-gradient(var(--z-mint),transparent)}
.z-course-curriculum{padding:120px 0 135px;background:#050d18}.z-course-curriculum>div>header{display:flex;justify-content:space-between;align-items:end;gap:45px;margin-bottom:45px}.z-course-curriculum header h2{margin-bottom:0}.z-course-curriculum header p{color:#7891a5}.z-curriculum-list{border-top:1px solid rgba(255,255,255,.12)}.z-curriculum-list article{position:relative;display:grid;grid-template-columns:65px 1fr auto;gap:25px;align-items:center;padding:27px 8px;border-bottom:1px solid rgba(255,255,255,.09);transition:.3s var(--z-ease)}.z-curriculum-list article:hover{padding-inline:20px;background:rgba(117,234,215,.035)}.z-curriculum-list article>span{color:#536f84;font-size:13px}.z-curriculum-list small{color:var(--z-mint);font-size:8px;letter-spacing:.15em}.z-curriculum-list h3{margin:8px 0;color:#fff;font-size:21px}.z-curriculum-list p{margin:0;color:#72899b;font-size:10px}.z-curriculum-list article>b{padding:8px 11px;border:1px solid rgba(255,255,255,.1);border-radius:99px;color:#90a6b6;font-size:9px}.z-curriculum-list article>a{position:absolute;inset:0}.z-course-empty{padding:45px;text-align:center;color:#718a9c}.z-course-final{padding:95px 0;border-top:1px solid var(--z-line);background:radial-gradient(circle at 20% 0,rgba(117,234,215,.12),transparent 35%),#06111f}.z-course-final>.z-container{display:grid;grid-template-columns:1fr .8fr auto;gap:65px;align-items:center}.z-course-final h2{margin:13px 0 0;color:#fff;font-size:clamp(42px,5vw,68px);line-height:1}.z-course-final h2 em{color:var(--z-mint);font-style:normal}.z-course-final p{color:#899fb0;line-height:1.8}.z-course-final a{padding:16px 21px;border-radius:13px;color:#07151d;background:var(--z-mint);font-weight:900;white-space:nowrap}
@media(max-width:1050px){.z-course-hero-grid{grid-template-columns:1fr}.z-course-purchase{max-width:650px}.z-course-body-grid{grid-template-columns:1fr}.z-course-path{display:none}.z-course-final>.z-container{grid-template-columns:1fr 1fr}.z-course-final a{grid-column:1/-1;justify-self:start}.z-course-gains{grid-template-columns:1fr}}
@media(max-width:700px){.z-course-hero{padding:55px 0 70px}.z-course-intro h1{font-size:48px}.z-course-intro>p{font-size:13px}.z-course-facts{display:grid;grid-template-columns:repeat(3,1fr)}.z-course-facts span{padding:0 9px}.z-detail-poster{min-height:210px}.z-course-body,.z-course-curriculum{padding:75px 0}.z-course-body-grid{gap:40px}.z-course-gains{margin-top:28px}.z-course-curriculum>div>header{display:block}.z-course-curriculum header p{margin-top:18px}.z-curriculum-list article{grid-template-columns:38px 1fr;padding:22px 0}.z-curriculum-list article>b{grid-column:2;justify-self:start}.z-course-final{padding:70px 0}.z-course-final>.z-container{grid-template-columns:1fr;gap:25px}.z-course-final a{grid-column:auto}.z-course-purchase{padding:12px;border-radius:22px}}

/* Mobile course navigation: viewport-level sheet with an explicit close action. */
.z-course-trigger:focus-visible{outline:2px solid var(--z-mint);outline-offset:2px}.z-course-close{display:none}
@media(max-width:760px){
  .z-site-header{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(3,9,18,.98)}
  .z-course-trigger{width:88px;gap:8px;border-color:rgba(117,234,215,.24);background:rgba(117,234,215,.06)}
  .z-course-trigger>span:after{content:"课程"}
  .z-course-trigger[aria-expanded=true]{color:#06141b;border-color:var(--z-mint);background:linear-gradient(135deg,var(--z-mint),var(--z-cyan))}
  .z-course-trigger[aria-expanded=true]>span:after{content:"关闭"}
  .z-course-drawer{z-index:120;top:64px;bottom:auto;height:calc(100vh - 64px);height:calc(100dvh - 64px);overscroll-behavior:contain;padding:0 0 max(38px,env(safe-area-inset-bottom));border-bottom:0;background:radial-gradient(circle at 86% 0,rgba(66,110,210,.22),transparent 32%),linear-gradient(180deg,#071523,#040c17);box-shadow:none}
  .z-course-drawer>.z-container{width:calc(100% - 28px)}
  .z-course-drawer header{position:sticky;z-index:3;top:0;grid-template-columns:1fr auto;gap:10px 16px;padding:20px 0 16px;background:linear-gradient(180deg,#071523 72%,rgba(7,21,35,.92));backdrop-filter:blur(18px)}
  .z-course-drawer header span{grid-column:1;font-size:11px}
  .z-course-drawer header strong{grid-column:1/-1;max-width:250px;color:#e8f5fc;font-size:15px;line-height:1.55}
  .z-course-drawer header>a{grid-column:1;justify-self:start;min-height:38px;display:inline-flex;align-items:center;padding:0 13px;border:1px solid rgba(117,234,215,.25);border-radius:99px}
  .z-course-close{position:absolute;display:grid;place-items:center;right:0;top:15px;width:40px;height:40px;padding:0;border:1px solid rgba(255,255,255,.12);border-radius:50%;color:#dff4ff;background:rgba(255,255,255,.055);cursor:pointer}
  .z-course-close:focus-visible{outline:2px solid var(--z-mint);outline-offset:2px}
  .z-course-close i,.z-course-close i:after{position:absolute;width:15px;height:1.5px;content:"";background:currentColor;transform:rotate(45deg)}
  .z-course-close i:after{left:0;top:0;transform:rotate(90deg)}
  .z-course-groups{display:grid;grid-template-columns:1fr;gap:12px;padding:14px 0 8px}
  .z-course-groups>div{padding:18px 18px 5px;border:1px solid rgba(151,197,226,.12);border-radius:19px;background:linear-gradient(145deg,rgba(19,43,66,.78),rgba(8,21,36,.9));box-shadow:0 16px 40px rgba(0,0,0,.18)}
  .z-course-groups h2{margin-bottom:7px;color:#7cebd8;font-size:10px;letter-spacing:.1em}
  .z-course-groups a{min-height:47px;padding:0;border-bottom-color:rgba(255,255,255,.075);color:#d7e6f1;font-size:13px}
  .z-course-groups>div a:last-child{border-bottom:0}
}
@media(max-width:360px){.z-brand-copy{display:grid}.z-brand-copy strong{font-size:12px;letter-spacing:.05em}.z-course-trigger{width:80px}}

/* A-Level economics, physics and chemistry programme */
.z-alevel-hero-visual{position:relative;z-index:2;width:min(47vw,700px);height:min(66vh,610px);min-height:520px;justify-self:end;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1.25fr .75fr;gap:14px;perspective:1300px}
.z-subject-stage{position:relative;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;padding:20px;border:1px solid rgba(151,197,226,.18);border-radius:26px;color:#fff;background-image:linear-gradient(180deg,rgba(3,11,21,.06),rgba(3,11,21,.88)),var(--subject-image);background-position:68% center;background-size:cover;box-shadow:0 32px 90px rgba(0,0,0,.35);transform:translateZ(0);transition:transform .45s var(--z-ease),border-color .45s var(--z-ease),box-shadow .45s var(--z-ease)}
.z-subject-stage:before{content:"";position:absolute;inset:0;opacity:.58;background:linear-gradient(115deg,rgba(117,234,215,.12),transparent 38%,rgba(125,166,255,.08));pointer-events:none}
.z-subject-stage:hover{z-index:3;border-color:rgba(117,234,215,.55);transform:translateY(-8px) rotateX(1.5deg);box-shadow:0 45px 110px rgba(0,0,0,.45),0 0 55px rgba(81,207,198,.12)}
.z-subject-stage>span,.z-subject-stage>div{position:relative;z-index:1}.z-subject-stage>span{align-self:flex-start;padding:7px 10px;border:1px solid rgba(255,255,255,.17);border-radius:99px;background:rgba(2,12,25,.45);backdrop-filter:blur(12px);color:#b9d3e4;font-size:8px;font-weight:800;letter-spacing:.14em}.z-subject-stage>div{display:grid;grid-template-columns:1fr auto;align-items:end;gap:2px 15px}.z-subject-stage small{grid-column:1/-1;color:var(--z-mint);font-size:8px;letter-spacing:.17em}.z-subject-stage strong{font-size:27px;letter-spacing:.02em}.z-subject-stage b{padding-bottom:4px;color:#b7cad8;font-size:9px}.z-subject-main{grid-column:1/-1}.z-subject-main strong{font-size:44px}.z-subject-main>span{color:#06141b;border-color:transparent;background:var(--z-mint)}
.z-subject-orbit{position:absolute;z-index:-1;width:410px;aspect-ratio:1;right:-120px;top:-90px;border:1px solid rgba(117,234,215,.12);border-radius:50%;pointer-events:none}.z-subject-orbit i{position:absolute;inset:16%;border:1px solid rgba(125,166,255,.14);border-radius:50%}.z-subject-orbit i:nth-child(2){inset:31%}.z-subject-orbit i:nth-child(3){inset:46%;background:rgba(117,234,215,.2);box-shadow:0 0 30px rgba(117,234,215,.28)}
.z-alevel-focus{overflow:hidden;background:radial-gradient(circle at 88% 8%,rgba(61,91,190,.18),transparent 31%),linear-gradient(180deg,#071424,#050d18)}.z-alevel-focus:before{content:"A-LEVEL";position:absolute;right:-.04em;top:.18em;color:rgba(255,255,255,.018);font-size:clamp(110px,18vw,285px);font-weight:900;letter-spacing:-.08em;pointer-events:none}.z-alevel-focus>.z-container{position:relative;z-index:1}
.z-alevel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.z-alevel-subject{min-width:0;overflow:hidden;border:1px solid rgba(151,197,226,.13);border-radius:30px;color:#fff;background:linear-gradient(155deg,rgba(20,43,67,.9),rgba(6,16,30,.98));box-shadow:0 28px 80px rgba(0,0,0,.25);transition:.5s var(--z-ease)}.z-alevel-subject:hover{transform:translateY(-11px);border-color:rgba(117,234,215,.44);box-shadow:0 44px 110px rgba(0,0,0,.38)}
.z-alevel-image{position:relative;aspect-ratio:16/10;overflow:hidden}.z-alevel-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(4,14,27,.92))}.z-alevel-image img{width:100%;height:100%;object-fit:cover;object-position:68% center;transition:.75s var(--z-ease)}.z-alevel-subject:hover .z-alevel-image img{transform:scale(1.055)}.z-alevel-image span{position:absolute;z-index:2;left:18px;bottom:17px;padding:7px 9px;border:1px solid rgba(255,255,255,.18);border-radius:99px;color:#d9eaf5;background:rgba(3,13,26,.5);font-size:8px;letter-spacing:.11em;backdrop-filter:blur(12px)}
.z-alevel-copy{padding:24px}.z-alevel-copy header{display:flex;justify-content:space-between;align-items:center}.z-alevel-copy header>b{width:37px;aspect-ratio:1;display:grid;place-items:center;border:1px solid rgba(117,234,215,.25);border-radius:50%;color:var(--z-mint);font-size:10px}.z-alevel-copy header small{color:#70899d;font-size:8px}.z-alevel-copy h3{margin:22px 0 12px;font-size:28px}.z-alevel-copy p{min-height:62px;margin:0;color:#839aac;font-size:12px;line-height:1.75}.z-alevel-copy ul{display:flex;gap:6px;flex-wrap:wrap;margin:19px 0 24px;padding:0;list-style:none}.z-alevel-copy li{padding:7px 9px;border:1px solid rgba(255,255,255,.09);border-radius:99px;color:#94aabd;font-size:8px}.z-alevel-copy footer{display:flex;justify-content:space-between;align-items:center;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);color:var(--z-mint);font-size:10px}.z-alevel-copy footer b{width:34px;aspect-ratio:1;display:grid;place-items:center;border-radius:50%;color:#06141b;background:var(--z-mint)}
.z-exam-roadmap{margin-top:22px;padding:24px 28px;display:grid;grid-template-columns:auto 1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:18px;border:1px solid rgba(151,197,226,.13);border-radius:24px;color:#fff;background:rgba(255,255,255,.025)}.z-exam-roadmap>span{grid-column:1/-1;color:var(--z-mint);font-size:8px;letter-spacing:.17em}.z-exam-roadmap>div{display:grid;grid-template-columns:auto 1fr;gap:3px 10px}.z-exam-roadmap div>b{grid-row:1/3;color:#57748a;font-size:11px}.z-exam-roadmap strong{font-size:11px}.z-exam-roadmap small{color:#6f879a;font-size:8px}.z-exam-roadmap>i{width:28px;height:1px;background:linear-gradient(90deg,var(--z-mint),rgba(117,234,215,.05))}
@media(max-width:1100px){.z-alevel-hero-visual{width:min(90vw,720px);height:600px;justify-self:center}.z-alevel-grid{grid-template-columns:1fr 1fr}.z-alevel-subject:last-child{grid-column:1/-1}.z-alevel-subject:last-child{display:grid;grid-template-columns:1fr 1fr}.z-alevel-subject:last-child .z-alevel-image{aspect-ratio:auto;min-height:330px}.z-exam-roadmap{grid-template-columns:1fr 1fr}.z-exam-roadmap>i{display:none}}
@media(max-width:760px){.z-alevel-hero-visual{width:100%;height:450px;min-height:0;grid-template-rows:1.12fr .88fr;gap:9px}.z-subject-stage{padding:13px;border-radius:18px}.z-subject-main strong{font-size:31px}.z-subject-stage strong{font-size:21px}.z-subject-stage b{font-size:7px}.z-subject-stage>span{font-size:6px}.z-subject-orbit{display:none}.z-alevel-grid{grid-template-columns:1fr}.z-alevel-subject:last-child{grid-column:auto;display:block}.z-alevel-subject:last-child .z-alevel-image{aspect-ratio:16/10;min-height:0}.z-alevel-copy p{min-height:0}.z-exam-roadmap{grid-template-columns:1fr;margin-top:14px;padding:22px}.z-exam-roadmap>div{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.07)}.z-exam-roadmap>div:last-child{border-bottom:0}}

.z-course-card[hidden]{display:none}.z-course-deck[data-active-filter] .z-course-card{animation:z-filter-in .38s var(--z-ease) both}@keyframes z-filter-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.z-role-mobile-nav{display:none}
@media(max-width:760px){body.zhuoer-role-zhuoer-student,body.zhuoer-role-subscriber,body.zhuoer-role-zhuoer-parent,body.zhuoer-role-zhuoer-teacher,body.zhuoer-role-administrator,body.zhuoer-role-zhuoer-finance{padding-bottom:78px}.z-role-mobile-nav{position:fixed;z-index:180;left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(4,1fr);gap:5px;padding:7px;border:1px solid rgba(151,197,226,.18);border-radius:18px;color:#87a0b2;background:rgba(4,13,24,.96);box-shadow:0 22px 65px rgba(0,0,0,.42);backdrop-filter:blur(20px)}.z-role-mobile-nav a{display:grid;justify-items:center;gap:3px;padding:6px 3px;border-radius:11px;font-size:8px}.z-role-mobile-nav i{display:grid;width:27px;height:27px;place-items:center;border-radius:9px;color:#8fa7b8;background:rgba(255,255,255,.055);font-size:8px;font-style:normal;font-weight:900}.z-role-mobile-nav a.is-primary{color:#07151e;background:linear-gradient(135deg,var(--z-mint),var(--z-cyan));font-weight:900}.z-role-mobile-nav a.is-primary i{color:#07151e;background:rgba(255,255,255,.32)}}
.z-course-poster>img{object-position:68% center}.z-detail-poster{background-position:68% center}
.z-course-assessments{padding:115px 0 130px;color:#fff;border-top:1px solid var(--z-line);background:radial-gradient(circle at 82% 0,rgba(71,96,195,.16),transparent 35%),linear-gradient(180deg,#081728,#050d18)}.z-course-assessments>div>header{display:grid;grid-template-columns:1fr .75fr;gap:70px;align-items:end;margin-bottom:45px}.z-course-assessments header span{color:var(--z-mint);font-size:9px;letter-spacing:.18em}.z-course-assessments header h2{margin:16px 0 0;font-size:clamp(42px,5vw,67px);font-weight:570;line-height:1.03;letter-spacing:-.05em}.z-course-assessments header p{color:#8299aa;line-height:1.8}.z-assessment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.z-assessment-grid article{min-height:300px;display:flex;flex-direction:column;padding:27px;border:1px solid rgba(255,255,255,.1);border-radius:25px;background:linear-gradient(145deg,rgba(20,42,65,.8),rgba(7,17,31,.94));box-shadow:0 25px 70px rgba(0,0,0,.2)}.z-assessment-grid article>span{color:var(--z-mint);font-size:8px;letter-spacing:.15em}.z-assessment-grid article>strong{margin:30px 0 8px;color:rgba(255,255,255,.16);font-size:64px;line-height:.8}.z-assessment-grid h3{margin:17px 0 12px;font-size:21px}.z-assessment-grid p{margin:0;color:#8199aa;font-size:11px;line-height:1.75}.z-assessment-grid footer{margin-top:auto;padding-top:19px;border-top:1px solid rgba(255,255,255,.08);color:#8ea5b5;font-size:9px}.z-assessment-grid footer a{color:var(--z-mint)}
.z-course-archive{color:#fff;background:#050d18}.z-archive-hero{position:relative;overflow:hidden;padding:105px 0 120px;border-bottom:1px solid var(--z-line);background:radial-gradient(circle at 80% 18%,rgba(72,94,205,.2),transparent 34%),linear-gradient(180deg,#040c17,#071523)}.z-archive-hero:before{content:"";position:absolute;inset:0;opacity:.24;background-image:linear-gradient(rgba(107,165,205,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(107,165,205,.12) 1px,transparent 1px);background-size:70px 70px;mask-image:linear-gradient(90deg,#000,transparent 75%)}.z-archive-hero-grid{position:relative;display:grid;grid-template-columns:.92fr 1.08fr;gap:85px;align-items:center}.z-archive-hero-grid>div:first-child>span{color:var(--z-mint);font-size:9px;letter-spacing:.18em}.z-archive-hero h1{margin:23px 0 27px;font-size:clamp(57px,6vw,92px);font-weight:590;line-height:.96;letter-spacing:-.06em}.z-archive-hero h1 em{color:transparent;font-style:normal;background:linear-gradient(100deg,#fff,var(--z-mint),#89aaff);background-clip:text;-webkit-background-clip:text}.z-archive-hero p{max-width:640px;color:#93a9ba;line-height:1.9}.z-archive-hero-grid>div:first-child>div{display:flex;gap:10px;margin-top:34px}.z-archive-hero-grid>div:first-child a{padding:15px 19px;border:1px solid rgba(255,255,255,.13);border-radius:13px}.z-archive-hero-grid>div:first-child a:first-child{color:#06141b;border-color:transparent;background:var(--z-mint)}
.z-archive-collage{position:relative;height:570px;perspective:1200px}.z-archive-collage figure{position:absolute;overflow:hidden;margin:0;border:1px solid rgba(255,255,255,.16);border-radius:27px;background:#081729;box-shadow:0 38px 100px rgba(0,0,0,.4);transition:.45s var(--z-ease)}.z-archive-collage figure:first-child{z-index:3;inset:4% 22% 25% 0;transform:rotate(-2deg)}.z-archive-collage figure:nth-child(2){z-index:2;inset:27% 0 3% 34%;transform:rotate(3deg)}.z-archive-collage figure:nth-child(3){z-index:1;inset:0 2% 52% 52%;transform:rotate(6deg)}.z-archive-collage figure:hover{z-index:5;transform:translateY(-8px) rotate(0)}.z-archive-collage img{width:100%;height:100%;object-fit:cover}.z-archive-collage figcaption{position:absolute;left:16px;bottom:15px;padding:7px 9px;border:1px solid rgba(255,255,255,.18);border-radius:99px;background:rgba(4,14,28,.58);font-size:8px;letter-spacing:.15em;backdrop-filter:blur(10px)}
.z-archive-pulse{border-bottom:1px solid var(--z-line);background:#06111f}.z-archive-pulse>.z-container{min-height:115px;display:grid;grid-template-columns:repeat(5,1fr);align-items:center}.z-archive-pulse div div{padding:0 26px;border-left:1px solid rgba(255,255,255,.09)}.z-archive-pulse div div:first-child{padding-left:0;border:0}.z-archive-pulse strong{display:block;font-size:21px}.z-archive-pulse small{color:#70899c;font-size:9px}.z-archive-courses{padding:130px 0;background:linear-gradient(180deg,#071424,#050d18)}.z-archive-extensions{padding:100px 0 125px;border-top:1px solid var(--z-line);background:#06111f}.z-archive-extensions header{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:end;margin-bottom:35px}.z-archive-extensions header span{color:var(--z-mint);font-size:9px;letter-spacing:.18em}.z-archive-extensions h2{margin:15px 0 0;font-size:46px}.z-archive-extensions header p{color:#8199aa;line-height:1.8}.z-extension-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.z-extension-list a{display:grid;grid-template-columns:150px 1fr auto;align-items:center;gap:20px;min-height:78px;padding:0 20px;border:1px solid rgba(255,255,255,.09);border-radius:17px;background:rgba(255,255,255,.025)}.z-extension-list span{color:#718a9c;font-size:9px}.z-extension-list strong{font-size:15px}.z-extension-list b{color:var(--z-mint);font-size:9px}
@media(max-width:1050px){.z-course-assessments>div>header{grid-template-columns:1fr}.z-assessment-grid{grid-template-columns:1fr 1fr}.z-assessment-grid article:last-child{grid-column:1/-1}.z-archive-hero-grid{grid-template-columns:1fr}.z-archive-collage{width:min(100%,760px);height:530px}.z-archive-pulse>.z-container{grid-template-columns:repeat(3,1fr);padding:20px 0;gap:18px}.z-archive-pulse div div{padding:10px 18px}.z-extension-list{grid-template-columns:1fr}}
@media(max-width:700px){.z-course-assessments{padding:75px 0}.z-course-assessments>div>header{gap:18px}.z-course-assessments header h2{font-size:38px}.z-assessment-grid{grid-template-columns:1fr}.z-assessment-grid article:last-child{grid-column:auto}.z-archive-hero{padding:65px 0 80px}.z-archive-hero h1{font-size:48px}.z-archive-hero-grid{gap:42px}.z-archive-hero-grid>div:first-child>div{flex-direction:column}.z-archive-collage{height:390px}.z-archive-collage figure:first-child{inset:3% 15% 31% 0}.z-archive-collage figure:nth-child(2){inset:37% 0 0 26%}.z-archive-collage figure:nth-child(3){inset:0 0 61% 56%}.z-archive-pulse>.z-container{grid-template-columns:1fr 1fr}.z-archive-pulse div div{border:0;padding:8px}.z-archive-courses{padding:80px 0}.z-archive-extensions{padding:75px 0}.z-archive-extensions header{grid-template-columns:1fr}.z-extension-list a{grid-template-columns:1fr auto;gap:8px;padding:16px}.z-extension-list span{grid-column:1/-1}}

/* Unified branded canvas for every Zhuoer application page. */
.z-platform-page{min-height:calc(100vh - 112px);color:#dcecf6;background:radial-gradient(circle at 82% 0,rgba(64,92,192,.17),transparent 32%),linear-gradient(180deg,#040c17,#071524 62%,#050d18)}
.z-platform-entry{min-height:inherit}.z-platform-entry>.zauth-center,.z-platform-entry>.zauth-join{min-height:inherit}
.z-home-trigger{height:42px;display:inline-flex;align-items:center;gap:9px;padding:0 14px;border:1px solid rgba(151,197,226,.18);border-radius:999px;color:#c8d8e5;background:rgba(255,255,255,.035);font-size:11px;font-weight:800;transition:.25s var(--z-ease)}
.z-home-trigger:hover{color:#06141b;border-color:var(--z-mint);background:var(--z-mint);transform:translateY(-1px)}
.z-home-trigger>i{width:17px;display:grid;grid-template-columns:repeat(2,6px);gap:3px}.z-home-trigger>i b{width:6px;height:6px;border-radius:2px;background:currentColor}
.z-header-left{gap:8px}.z-course-trigger{padding-inline:14px}
@media(max-width:760px){.z-platform-page{min-height:calc(100vh - 64px)}.z-header-left{gap:5px}.z-home-trigger{width:40px;height:40px;justify-content:center;padding:0}.z-home-trigger>span{display:none}.z-course-trigger{width:62px;padding:0 9px}.z-course-trigger>span:after{content:"课程"}.z-course-trigger>span{font-size:0}.z-course-trigger>span:after{font-size:10px}.z-course-trigger>em{display:none}}

/* Balanced public-site typography. */
.z-hero h1{font-size:clamp(54px,6vw,88px);line-height:.98}.z-hero-copy>p{font-size:16px;line-height:1.85}
.z-live-label,.z-section-heading>div>span,.z-commerce>div>div>span,.z-impact>div>div>span{font-size:10px}
.z-section-heading h2{font-size:clamp(40px,4.5vw,62px);line-height:1.06}.z-section-heading p{font-size:15px}
.z-course-content header,.z-course-content footer{font-size:11px}.z-course-content p{font-size:13px;line-height:1.75}.z-skill-tags span{font-size:10px}
.z-role-grid p,.z-commerce p,.z-impact p,.z-final p{font-size:14px;line-height:1.75}
.z-footer nav a,.z-footer-grid>div p{font-size:13px}.z-footer-bottom{font-size:11px}
.z-brand-copy strong{font-size:17px}.z-brand-copy small{font-size:8px}
@media(max-width:760px){.z-hero h1{font-size:clamp(40px,11vw,48px);line-height:1.02}.z-hero-copy>p{font-size:14px}.z-section-heading h2{font-size:clamp(34px,9.5vw,40px)}.z-section-heading p{font-size:14px}.z-brand-copy strong{font-size:14px}.z-course-trigger>span:after{font-size:11px}}

/* Responsive QA pass: readable microcopy and reliable touch targets. */
.z-brand{min-height:44px}
.z-hero-actions small,.z-hero-proof span,.z-pulse>div>span,.z-pulse small,.z-course-poster>span,.z-course-poster>small,.z-skill-tags span,.z-loop-grid>nav small,.z-loop-sphere span,.z-loop-visual article>span,.z-loop-visual article>div small,.z-role-grid>a>small,.z-role-grid footer,.z-payment-flow span,.z-commerce aside>header,.z-commerce aside>section b,.z-commerce aside>footer span,.z-impact aside span,.z-impact aside small,.z-impact aside b,.z-final>div>span{font-size:11px;line-height:1.45}
.z-course-crumb,.z-course-kicker,.z-course-author small,.z-course-author>i,.z-course-facts span,.z-course-purchase ul,.z-course-overview>header>span,.z-course-curriculum header span,.z-course-final span,.z-course-gains b,.z-course-path>span,.z-curriculum-list small,.z-curriculum-list p,.z-curriculum-list article>b{font-size:11px;line-height:1.45}
.z-subject-stage>span,.z-subject-stage small,.z-subject-stage b,.z-alevel-image span,.z-alevel-copy header small,.z-alevel-copy li,.z-alevel-copy footer,.z-exam-roadmap>span,.z-exam-roadmap small,.z-assessment-grid article>span,.z-assessment-grid footer,.z-archive-collage figcaption,.z-archive-pulse small,.z-archive-extensions header span,.z-extension-list span,.z-extension-list b{font-size:11px;line-height:1.45}
.z-section-footer a,.z-course-crumb a,.z-archive-hero-grid>div:first-child a{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:1050px) and (min-width:701px){.z-archive-hero h1,.z-course-intro h1{font-size:clamp(48px,7vw,56px)}}
@media(max-width:760px){
  body.zhuoer-role-zhuoer-student,body.zhuoer-role-subscriber,body.zhuoer-role-zhuoer-parent,body.zhuoer-role-zhuoer-teacher,body.zhuoer-role-administrator,body.zhuoer-role-zhuoer-finance{padding-bottom:96px}
  .z-home-trigger,.z-course-trigger{min-height:44px;height:44px}
  .z-role-mobile-nav{left:8px;right:8px;bottom:max(8px,env(safe-area-inset-bottom));padding:7px}
  .z-role-mobile-nav a{min-height:60px;align-content:center;gap:5px;padding:6px 4px;font-size:11px;line-height:1.15}
  .z-role-mobile-nav i{width:30px;height:30px;font-size:11px}
  .z-archive-hero h1,.z-course-intro h1{font-size:clamp(38px,10.5vw,42px);line-height:1.02}
  .z-archive-hero-grid>div:first-child>span,.z-live-label{font-size:11px;line-height:1.45}
  .z-subject-stage>span,.z-subject-stage small,.z-subject-stage b{font-size:10px}
  .z-category-rail button{min-height:44px}
  .z-section-footer a{padding-block:8px}
}
.z-brand-copy small,.z-course-groups h2,.z-course-content footer small,.z-detail-poster span,.z-detail-poster b,.z-course-assessments header span{font-size:11px;line-height:1.45}
.z-section-heading>div>span{font-size:11px}

.z-role-mobile-nav a {
  transition: color .22s var(--z-ease), background .22s var(--z-ease), transform .22s var(--z-ease);
}
.z-role-mobile-nav a[aria-current="page"] {
  color: #07151e;
  background: linear-gradient(135deg,var(--z-mint),var(--z-cyan));
  font-weight: 900;
  transform: translateY(-1px);
}
.z-role-mobile-nav a[aria-current="page"] i {
  color: #07151e;
  background: rgba(255,255,255,.32);
}

/* Keep platform spacing inside the dark application canvas. */
.z-platform-page,
.z-platform-entry {
  display: flow-root;
}
body.zhuoer-role-zhuoer-student,
body.zhuoer-role-subscriber,
body.zhuoer-role-zhuoer-parent,
body.zhuoer-role-zhuoer-teacher,
body.zhuoer-role-administrator,
body.zhuoer-role-zhuoer-finance {
  background: #050d18;
}
@media (max-width: 760px) {
  .z-role-mobile-nav a {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .z-role-mobile-nav a:active {
    transform: scale(.97);
  }
  .z-role-mobile-nav a.is-loading i {
    animation: z-mobile-nav-pulse .72s ease-in-out infinite alternate;
  }
}
@keyframes z-mobile-nav-pulse {
  from { box-shadow: 0 0 0 rgba(117,234,215,0); }
  to { box-shadow: 0 0 18px rgba(117,234,215,.62); }
}

/* Final readability guard for decorative labels used across public pages. */
.z-home small,
.z-course-detail small,
.z-course-archive small,
.z-search-trigger kbd,
.z-mastery-core span,
.z-mastery-core p,
.z-float span,
.z-float small,
.z-float-c {
  font-size: 11px;
  line-height: 1.45;
}

/* Complete multi-subject catalogue: three featured A-Level paths remain above. */
@media (min-width: 1061px) {
  .z-course-groups { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
}
.z-all-subjects {
  overflow: hidden;
  border-top: 1px solid var(--z-line);
  border-bottom: 1px solid var(--z-line);
  background:
    radial-gradient(circle at 12% 15%, rgba(86, 232, 207, .11), transparent 28%),
    radial-gradient(circle at 90% 75%, rgba(112, 132, 255, .12), transparent 30%),
    linear-gradient(180deg, #06111f, #071526 55%, #050d18);
}
.z-all-subjects:before {
  content: "ALL SUBJECTS";
  position: absolute;
  right: -2vw;
  top: 28px;
  color: rgba(255, 255, 255, .025);
  font-size: clamp(70px, 11vw, 170px);
  font-weight: 900;
  letter-spacing: -.07em;
  white-space: nowrap;
  pointer-events: none;
}
.z-subject-matrix {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.z-subject-matrix > a {
  position: relative;
  isolation: isolate;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 24px;
  color: #f2fbff;
  background: #0b1a2b;
  content-visibility: auto;
  contain-intrinsic-size: 300px;
  box-shadow: 0 25px 65px rgba(0, 0, 0, .2);
  transition: transform .45s var(--z-ease), border-color .45s var(--z-ease), box-shadow .45s var(--z-ease);
}
.z-subject-media {
  position: absolute;
  z-index: -3;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--subject-focus, center);
  filter: saturate(.78) contrast(1.02);
  transition: transform .75s var(--z-ease), filter .5s var(--z-ease);
}
.z-subject-matrix > a:before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(var(--subject-accent-rgb), .3), transparent 29%),
    linear-gradient(115deg, rgba(var(--subject-accent-rgb), .08), transparent 46%);
  opacity: .75;
  transition: opacity .5s var(--z-ease);
}
.z-subject-matrix > a:after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 13, 25, .44), rgba(5, 16, 31, .9) 68%, #071321);
}
.z-subject-matrix > a:hover {
  transform: translateY(-8px);
  border-color: rgba(117, 234, 215, .42);
  box-shadow: 0 38px 80px rgba(0, 0, 0, .34);
}
.z-subject-matrix > a:hover .z-subject-media { transform: scale(1.065); filter: saturate(1.04) contrast(1.04); }
.z-subject-matrix > a:hover:before { opacity: 1; }
.z-subject-matrix > a:focus-visible {
  outline: 3px solid rgba(var(--subject-accent-rgb), .92);
  outline-offset: 4px;
  border-color: rgba(var(--subject-accent-rgb), .7);
}
.z-subject-matrix > a:nth-child(1),
.z-subject-matrix > a:nth-child(6) { grid-column: span 2; }
.z-subject-matrix header,
.z-subject-matrix footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.z-subject-matrix header span {
  color: #a9bdcc;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .08em;
}
.z-subject-matrix header b {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(117, 234, 215, .3);
  border-radius: 50%;
  color: var(--z-mint);
  background: rgba(5, 19, 34, .5);
  font-size: 11px;
}
.z-subject-matrix h3 { margin: 0 0 9px; font-size: clamp(28px, 2.4vw, 39px); line-height: 1; }
.z-subject-matrix p { max-width: 310px; margin: 0; color: #9db1c0; line-height: 1.65; }
.z-subject-meta {
  width: max-content;
  max-width: 100%;
  display: inline-flex;
  margin-top: 13px;
  padding: 7px 10px;
  border: 1px solid rgba(var(--subject-accent-rgb), .25);
  border-radius: 999px;
  color: #d7e8f3;
  background: rgba(4, 16, 29, .48);
  box-shadow: inset 0 0 18px rgba(var(--subject-accent-rgb), .05);
  backdrop-filter: blur(10px);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: .04em;
}
.z-subject-matrix footer {
  padding-top: 17px;
  border-top: 1px solid rgba(255, 255, 255, .11);
  color: #c9dbe6;
  font-size: 11px;
}
.z-subject-matrix footer b {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(var(--subject-accent-rgb), .28);
  border-radius: 50%;
  color: rgb(var(--subject-accent-rgb));
  background: rgba(4, 16, 29, .42);
  font-size: 15px;
  transition: transform .35s var(--z-ease), background .35s var(--z-ease);
}
.z-subject-matrix > a:hover footer b { transform: translate(3px, -3px); background: rgba(var(--subject-accent-rgb), .13); }
.z-motion-ready .z-subject-matrix > a:not(.z-visible) { opacity: 0; transform: translateY(28px) scale(.985); }
.z-motion-ready .z-subject-matrix > a.z-visible { animation: z-subject-rise .72s var(--z-ease) var(--subject-delay, 0ms) backwards; }
@keyframes z-subject-rise {
  from { opacity: 0; transform: translateY(28px) scale(.985); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1050px) {
  .z-subject-matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .z-subject-matrix > a:nth-child(1),
  .z-subject-matrix > a:nth-child(6) { grid-column: auto; }
}
@media (max-width: 620px) {
  .z-subject-matrix { grid-template-columns: 1fr; }
  .z-subject-matrix > a { min-height: 250px; padding: 20px; border-radius: 20px; }
  .z-subject-matrix h3 { font-size: 31px; }
}