.product-page{background:#f5f7fb}.product-page .site-header{position:fixed}.product-page .site-header nav{gap:26px}.product-page .site-header nav>a.active{color:inherit;opacity:1}.product-page main{padding-top:80px}.course-shell{width:min(calc(100% - 48px),var(--max));margin:auto;padding:26px 0 90px}.course-tabs{display:flex;gap:8px;margin-bottom:28px;padding-bottom:18px;border-bottom:1px solid var(--line)}.course-tabs button{padding:10px 16px;border:0;border-radius:99px;background:transparent;color:#68748a;cursor:pointer;font-size:12px}.course-tabs button.active{background:var(--navy);color:#fff}.course-tabs span{margin-left:6px;color:#8eb6ff}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.course-card{overflow:hidden;border:1px solid #e2e7ef;border-radius:18px;background:#fff;box-shadow:0 8px 28px #1127470a;transition:.3s}.course-card:hover{transform:translateY(-6px);box-shadow:0 18px 45px #10284d1b}.course-card.is-hidden{display:none}.course-cover{position:relative;height:205px;padding:30px;color:#fff;overflow:hidden}.course-cover:after{content:"";position:absolute;width:180px;height:180px;right:-65px;bottom:-75px;border:1px solid #ffffff33;border-radius:50%;box-shadow:0 0 0 35px #ffffff0a,0 0 0 70px #ffffff08}.course-cover small,.course-cover strong{position:relative;z-index:2;display:block}.course-cover small{max-width:calc(100% - 92px);overflow:hidden;font-size:9px;letter-spacing:.16em;opacity:.78;text-overflow:ellipsis;white-space:nowrap}.course-cover strong{max-width:90%;margin-top:17px;font-size:25px;line-height:1.35}.cover-ielts{background:linear-gradient(135deg,#173e91,#307cf4)}.cover-toefl{background:linear-gradient(135deg,#335893,#69a6d8)}.cover-sat{background:linear-gradient(135deg,#4b3a86,#7d70c4)}.cover-ap{background:linear-gradient(135deg,#0b6974,#31a7a5)}.cover-writing{background:linear-gradient(135deg,#9d545e,#d48685)}.cover-research{background:linear-gradient(135deg,#65466f,#a176aa)}.course-badge{position:absolute;z-index:3;right:20px;top:18px;padding:5px 9px;border-radius:99px;background:#fff;color:#14376e;font-size:9px;font-weight:700}.cover-score,.cover-symbol{position:absolute;right:26px;bottom:18px;color:#ffffff2d;font-weight:800;font-size:68px}.cover-score sup{font-size:20px}.cover-symbol{font-family:Georgia,serif}.cover-lines{position:absolute;right:30px;bottom:28px;width:92px;height:62px;border-top:2px solid #ffffff40;border-bottom:2px solid #ffffff40;transform:skewY(-13deg)}.course-body{padding:24px}.course-meta{display:flex;gap:8px}.course-meta span{padding:4px 8px;border-radius:5px;background:#f0f4fa;color:#53627a;font-size:9px}.course-body h3{margin:14px 0 8px;font-size:18px;line-height:1.45}.course-body>p{min-height:52px;margin:0;color:#778397;font-size:12px;line-height:1.75}.mentor{display:flex;align-items:center;gap:10px;margin:20px 0;padding-top:17px;border-top:1px solid #edf0f4}.mentor>i{display:grid;width:34px;height:34px;place-items:center;border-radius:50%;background:#e9eff9;color:#1c4c99;font-size:10px;font-style:normal;font-weight:800}.mentor small,.mentor b{display:block}.mentor small{color:#99a2b0;font-size:8px}.mentor b{font-size:10px}.course-bottom{display:flex;align-items:end;justify-content:space-between}.course-bottom small,.course-bottom b{display:block}.course-bottom small{color:#9099a7;font-size:8px}.course-bottom b{color:#fa6b2d;font-size:21px}.course-bottom button{padding:10px 13px;border:1px solid #cfd9e9;border-radius:6px;background:#fff;color:#174694;font-size:10px;font-weight:700;cursor:pointer}.course-bottom button:hover{background:#1249a5;color:#fff}.course-cta{display:flex;align-items:center;justify-content:space-between;padding:70px max(30px,calc((100vw - var(--max))/2));color:#fff;background:#0b2146}.course-cta span{color:#91b7f5;font-size:11px;letter-spacing:.12em}.course-cta h2{margin:9px 0;font-size:32px}.course-cta p{margin:0;color:#9baac1;font-size:12px}.course-cta a{padding:15px 20px;border-radius:5px;background:#fff;color:#12376f;font-size:12px;font-weight:700}.course-cta a b{margin-left:28px}.course-dialog[hidden]{display:none}.course-dialog{position:fixed;z-index:200;inset:0;display:grid;place-items:center;padding:20px;background:#031128b8;backdrop-filter:blur(6px)}.dialog-panel{position:relative;width:min(460px,100%);padding:38px;border-radius:20px;background:#fff;box-shadow:0 30px 80px #0005}.dialog-panel h2{margin:8px 0;font-size:30px}.dialog-panel>p{color:var(--muted);font-size:12px}.dialog-close{position:absolute;right:18px;top:14px;border:0;background:none;color:#6c7787;font-size:25px;cursor:pointer}.dialog-panel label{display:block;margin-top:14px;color:#526078;font-size:11px}.dialog-panel input{width:100%;margin-top:6px;padding:12px;border:1px solid #dce3ed;border-radius:6px;outline:none}.dialog-panel input:focus{border-color:var(--bright)}.dialog-panel form>button{width:100%;margin-top:20px;padding:13px;border:0;border-radius:6px;background:var(--bright);color:#fff;font-weight:700;cursor:pointer}.dialog-panel form>button span{float:right}.product-toast{position:fixed;z-index:220;right:30px;bottom:30px;padding:13px 20px;border-radius:8px;background:#fff;color:var(--navy);box-shadow:0 15px 40px #0003;font-size:12px;transform:translateY(100px);opacity:0;transition:.3s}.product-toast.show{transform:none;opacity:1}
.course-state{grid-column:1/-1;padding:54px 28px;border:1px dashed #cfd9e9;border-radius:18px;background:#fff;color:#68748a;text-align:center;font-size:14px}.course-state-loading{color:#174694}.course-state-error{border-color:#f2b8b5;background:#fff7f7;color:#b42318}@media(max-width:900px){.product-page main{padding-top:68px}.course-grid{grid-template-columns:repeat(2,1fr)}.course-shell{width:calc(100% - 40px)}.course-cta{padding-inline:24px}}
@media(max-width:560px){.course-shell{width:calc(100% - 24px);padding:36px 0 65px}.course-tabs{overflow:auto}.course-tabs button{white-space:nowrap}.course-grid{grid-template-columns:1fr}.course-cta{align-items:flex-start;flex-direction:column;gap:25px;padding:50px 20px}.course-cta h2{font-size:27px}.dialog-panel{padding:30px 22px}}

/* Purchase contact dialog - compact checkout card */
.course-dialog{
  position:fixed;
  z-index:200;
  inset:0;
  display:grid;
  place-items:center;
  padding:20px;
  background:rgba(5,17,37,.66);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.course-dialog[hidden]{display:none}
.dialog-panel,.dialog-panel *{box-sizing:border-box}
.dialog-panel{
  position:relative;
  width:min(700px,100%);
  max-height:calc(100vh - 40px);
  overflow:auto;
  padding:0;
  border:1px solid rgba(28,58,104,.12);
  border-radius:20px;
  background:#fff;
  box-shadow:0 28px 80px rgba(2,13,31,.34);
  text-align:left;
}
.dialog-checkout{
  display:grid;
  grid-template-columns:minmax(0,1.38fr) minmax(220px,.72fr);
  min-height:430px;
}
.dialog-main{padding:32px 34px 30px;text-align:left}
.dialog-close{
  position:absolute;
  z-index:5;
  top:14px;
  right:14px;
  display:grid;
  width:32px;
  height:32px;
  padding:0;
  place-items:center;
  border:1px solid #e5eaf1;
  border-radius:50%;
  background:#fff;
  color:#708096;
  font-size:20px;
  line-height:1;
  cursor:pointer;
  box-shadow:0 4px 12px rgba(22,42,76,.08);
  transition:background .2s,color .2s,border-color .2s;
}
.dialog-close:hover,.dialog-close:focus-visible{border-color:#d5deea;background:#f6f8fb;color:#173e91;outline:none}
.dialog-icon{
  display:grid;
  width:36px;
  height:36px;
  margin:0 0 12px;
  place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,#173e91,#2f72e5);
  color:#fff;
  box-shadow:0 8px 18px rgba(39,91,184,.20);
  font-size:14px;
}
.dialog-panel .kicker{
  display:inline-block;
  color:#5376b1;
  font-size:8px;
  font-weight:800;
  letter-spacing:.16em;
}
.dialog-panel h2{
  margin:7px 0 7px;
  color:#17243a;
  font-size:24px;
  line-height:1.25;
  letter-spacing:-.02em;
}
.dialog-main>p{
  max-width:420px;
  margin:0;
  color:#7b8799;
  font-size:11px;
  line-height:1.7;
}
.dialog-course{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin:20px 0 18px;
  padding:13px 14px;
  border:1px solid #e5eaf1;
  border-radius:12px;
  background:#f8fafc;
}
.dialog-course small{flex:none;color:#8d98a8;font-size:9px}
.dialog-course strong{
  min-width:0;
  overflow:hidden;
  color:#263b5a;
  font-size:12px;
  font-weight:800;
  text-align:right;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.purchase-form{text-align:left}
.purchase-form label{display:block;margin:0;color:#34465f;font-size:11px;font-weight:800}
.purchase-form input{
  width:100%;
  height:45px;
  margin-top:7px;
  padding:0 13px;
  border:1px solid #dce3ed;
  border-radius:9px;
  outline:none;
  background:#fbfcfe;
  color:#22334c;
  font-size:12px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.purchase-form input::placeholder{color:#a3adbb}
.purchase-form input:focus{border-color:#3974df;background:#fff;box-shadow:0 0 0 3px rgba(57,116,223,.10)}
.purchase-form input.invalid{border-color:#dc4961;box-shadow:0 0 0 3px rgba(220,73,97,.09)}
.contact-help{display:block;margin-top:6px;color:#949ead;font-size:9px;line-height:1.55}
.payment-channels{min-width:0;margin:14px 0 0;padding:0;border:0}
.payment-channels legend{padding:0;color:#34465f;font-size:11px;font-weight:800}
.payment-channel-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:7px}
.payment-channel-option{position:relative;display:flex;min-width:0;align-items:center;gap:8px;padding:10px;border:1px solid #dce3ed;border-radius:9px;background:#fbfcfe;color:#34465f;cursor:pointer;transition:border-color .2s,box-shadow .2s,background .2s}
.payment-channel-option:has(input:checked){border-color:#3974df;background:#f4f8ff;box-shadow:0 0 0 2px rgba(57,116,223,.10)}
.payment-channel-option input{position:absolute;width:1px;height:1px;margin:0;opacity:0}
.payment-channel-option img,.payment-channel-icon{display:grid;flex:0 0 25px;width:25px;height:25px;margin:0;place-items:center;border-radius:6px;background:#fff;object-fit:contain;color:#3974df;font-size:10px;font-weight:800}
.payment-channel-option strong{min-width:0;overflow:hidden;font-size:10px;text-overflow:ellipsis;white-space:nowrap}
.payment-channel-status{grid-column:1/-1;padding:10px;border-radius:9px;background:#f8fafc;color:#8995a6;font-size:10px;text-align:center}
.dialog-panel .contact-error{margin:6px 0 0;color:#c9344e;font-size:10px;text-align:left}
.purchase-form button{
  width:100%;
  height:45px;
  margin-top:16px!important;
  padding:0 15px!important;
  border:0!important;
  border-radius:9px!important;
  background:linear-gradient(135deg,#174b9f,#246cdd)!important;
  color:#fff;
  box-shadow:0 9px 20px rgba(31,94,197,.20);
  font-size:11px;
  font-weight:800;
  cursor:pointer;
  transition:transform .2s,box-shadow .2s,filter .2s;
}
.purchase-form button span{float:right}
.purchase-form button:hover{transform:translateY(-1px);box-shadow:0 12px 25px rgba(31,94,197,.25);filter:brightness(1.03)}
.purchase-form button:disabled{cursor:wait;opacity:.66;transform:none;box-shadow:none}
.payment-view{padding-top:2px;text-align:center}
.reused-order-notice{margin:0 0 12px;padding:10px 12px;border:1px solid #f0d99d;border-radius:9px;background:#fff9e9;color:#8b6514;text-align:left}
.reused-order-notice strong,.reused-order-notice span{display:block}.reused-order-notice strong{font-size:11px}.reused-order-notice span{margin-top:3px;font-size:9px;line-height:1.5}
.dialog-qr{
  display:grid;
  width:min(190px,58vw);
  aspect-ratio:1/1;
  height:auto;
  margin:6px auto 0;
  padding:8px;
  place-items:center;
  overflow:hidden;
  border:1px solid #dfe6ef;
  border-radius:15px;
  background:#fff;
  color:#8995a6;
  box-shadow:0 10px 25px rgba(16,40,77,.10);
  font-size:10px;
}
.dialog-qr img{display:block!important;width:100%!important;max-width:100%!important;height:100%!important;max-height:100%!important;margin:0!important;border-radius:9px;object-fit:contain}
.dialog-panel .dialog-tip{display:flex;align-items:center;justify-content:center;gap:7px;margin:12px 0 0;color:#56677e;font-size:10px;line-height:1.5}
.dialog-tip span{flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:#18ad5b;box-shadow:0 0 0 3px rgba(24,173,91,.12)}
.dialog-service{
  display:flex;
  align-items:center;
  flex-direction:column;
  justify-content:center;
  padding:28px 20px;
  border-left:1px solid #e7ecf3;
  background:linear-gradient(160deg,#f7faff,#eff5ff);
  text-align:center;
}
.service-label{color:#5678b1;font-size:7px;font-weight:800;letter-spacing:.17em}
.dialog-service h3{margin:8px 0 5px;color:#1f3b63;font-size:16px;line-height:1.3}
.dialog-service p{max-width:190px;margin:0;color:#718198;font-size:9px;line-height:1.65}
.service-qr{
  width:132px;
  height:132px;
  margin:16px auto 10px;
  padding:6px;
  border:1px solid #e1e7ef;
  border-radius:13px;
  background:#fff;
  box-shadow:0 9px 22px rgba(24,55,105,.12);
}
.service-qr img{display:block;width:100%;height:100%;border-radius:8px;object-fit:cover}
.dialog-service strong{color:#2a4264;font-size:10px}
.dialog-service small{margin-top:3px;color:#8b97a8;font-size:8px}
@media(max-width:620px){
  .course-dialog{padding:12px}
  .dialog-panel{width:100%;max-height:calc(100vh - 24px);border-radius:17px}
  .dialog-checkout{grid-template-columns:1fr;min-height:0}
  .dialog-main{padding:27px 20px 22px}
  .dialog-icon{width:34px;height:34px;margin-bottom:10px}
  .dialog-panel h2{font-size:21px}
  .dialog-course{margin:17px 0 15px;padding:12px}
  .dialog-course strong{max-width:210px}
  .dialog-service{
    display:grid;
    grid-template-columns:74px 1fr;
    grid-template-rows:auto auto auto;
    column-gap:12px;
    padding:12px 14px;
    border-top:1px solid #e7ecf3;
    border-left:0;
    text-align:left;
  }
  .service-label{grid-column:2}
  .dialog-service h3{grid-column:2;margin:2px 0 3px;font-size:14px}
  .dialog-service p{grid-column:2;max-width:none}
  .service-qr{grid-column:1;grid-row:1/4;width:74px;height:74px;margin:0;padding:4px;border-radius:9px}
  .dialog-service strong,.dialog-service>small{display:none}
  .dialog-qr{width:min(176px,56vw)}
}
@media(prefers-reduced-motion:reduce){.course-card,.product-toast,.purchase-form button{transition:none}.course-card:hover,.purchase-form button:hover{transform:none}}

/* Authenticated account control: compact trigger, detailed menu only on hover/focus. */
.nav-auth{position:relative;display:flex;align-items:center}
.nav-auth:after{content:"";position:absolute;top:100%;right:0;width:100%;height:12px}
.nav-auth-user{display:flex;align-items:center;gap:9px;max-width:210px;min-height:44px;padding:6px 13px 6px 7px;border:0;cursor:pointer}
.nav-auth-user strong{display:inline-block;max-width:118px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-auth-avatar{display:grid;flex:0 0 30px;width:30px;height:30px;place-items:center;border:1px solid #ffffff52;border-radius:50%;color:#fff;background:#ffffff20;font-size:12px;font-weight:800}
.nav-auth-chevron{margin:0 0 3px 1px;color:#dfe4ff;font-size:15px;line-height:1;transition:transform .2s}
.nav-auth:hover .nav-auth-chevron,.nav-auth:focus-within .nav-auth-chevron{transform:rotate(180deg)}
.nav-auth-menu{position:absolute;top:calc(100% + 10px);right:0;width:220px;padding:8px;visibility:hidden;opacity:0;transform:translateY(-6px);transition:visibility .2s,opacity .2s,transform .2s;border:1px solid #e5e7f2;border-radius:14px;background:#fff;box-shadow:0 18px 45px #13213d2b;color:var(--ink)}
.nav-auth:hover .nav-auth-menu,.nav-auth:focus-within .nav-auth-menu{visibility:visible;opacity:1;transform:none}
.nav-auth-account{padding:10px 11px 12px;border-bottom:1px solid #edf0f6}
.nav-auth-account small,.nav-auth-account strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-auth-account small{color:#8a94a6;font-size:10px;letter-spacing:.08em}
.nav-auth-account strong{margin-top:3px;color:#26334b;font-size:13px}
.nav-auth-menu button{display:flex;align-items:center;gap:9px;width:100%;margin-top:6px;padding:10px 11px;border:0;border-radius:8px;color:#5f6b7f;background:transparent;text-align:left;cursor:pointer}
.nav-auth-menu button span{display:grid;width:22px;height:22px;place-items:center;border-radius:6px;color:#dc4c64;background:#fff0f2;font-size:15px}
.nav-auth-menu button:hover,.nav-auth-menu button:focus-visible{color:#c93750;background:#fff5f6;outline:none}
.nav-auth-orders{display:flex;align-items:center;gap:9px;margin-top:6px;padding:10px 11px;border-radius:8px;color:#445675;font-size:13px}.nav-auth-orders span{display:grid;width:22px;height:22px;place-items:center;border-radius:6px;color:#2465c7;background:#edf4ff}.nav-auth-orders:hover,.nav-auth-orders:focus-visible{color:#174c9d;background:#f2f6fd;outline:none}
@media(max-width:900px){.nav-auth{margin-top:8px}.nav-auth>.nav-cta{display:flex;width:100%;padding:10px;text-align:left}.nav-auth-menu{position:static;margin-top:6px;visibility:visible;display:none;opacity:1;transform:none}.nav-auth:hover .nav-auth-menu,.nav-auth:focus-within .nav-auth-menu{display:block}}