.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 */
.course-dialog{
  position:fixed;
  z-index:200;
  inset:0;
  display:grid;
  place-items:center;
  padding:24px;
  background:rgba(8,22,45,.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.course-dialog[hidden]{display:none}
.dialog-panel,
.dialog-panel *{box-sizing:border-box}
.dialog-panel{
  position:relative;
  width:min(420px,100%);
  max-height:calc(100vh - 48px);
  overflow:auto;
  padding:30px 32px 28px;
  border:1px solid rgba(34,71,128,.10);
  border-radius:22px;
  background:#fff;
  box-shadow:0 28px 80px rgba(4,18,43,.34);
  text-align:center;
}
.dialog-panel:before{
  content:"";
  position:absolute;
  z-index:0;
  width:170px;
  height:170px;
  right:-82px;
  top:-92px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(38,99,235,.12) 0,rgba(38,99,235,.04) 58%,transparent 60%);
  pointer-events:none;
}
.dialog-panel>*{position:relative;z-index:1}
.dialog-close{
  position:absolute;
  z-index:3;
  top:14px;
  right:14px;
  display:grid;
  width:34px;
  height:34px;
  padding:0;
  place-items:center;
  border:0;
  border-radius:50%;
  background:#f3f6fa;
  color:#66758a;
  font-size:22px;
  line-height:1;
  cursor:pointer;
  transition:background .2s,color .2s,transform .2s;
}
.dialog-close:hover,.dialog-close:focus-visible{
  background:#e9eef6;
  color:#173b73;
  outline:none;
  transform:rotate(3deg);
}
.dialog-icon{
  display:grid;
  width:38px;
  height:38px;
  margin:0 auto 10px;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,#173e91,#2f72e5);
  box-shadow:0 8px 20px rgba(35,94,196,.22);
  color:#fff;
  font-size:15px;
}
.dialog-panel .kicker{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:24px;
  padding:5px 10px;
  border-radius:999px;
  background:#eef3ff;
  color:#4657d7;
  font-size:9px;
  font-weight:800;
  letter-spacing:.14em;
}
.dialog-panel h2{
  margin:12px 0 8px;
  color:#172235;
  font-size:27px;
  line-height:1.25;
}
.dialog-panel>p{
  max-width:330px;
  margin:0 auto;
  color:#778398;
  font-size:12px;
  line-height:1.75;
}
.dialog-course{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin:18px 0 16px;
  padding:11px 13px;
  border:1px solid #e7ebf1;
  border-radius:10px;
  background:#f8fafc;
  text-align:left;
}
.dialog-course small{
  flex:none;
  color:#8c97a8;
  font-size:10px;
}
.dialog-course strong{
  min-width:0;
  overflow:hidden;
  color:#263a58;
  font-size:12px;
  font-weight:700;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.dialog-qr{
  display:block;
  width:min(196px,62vw);
  aspect-ratio:1/1;
  height:auto;
  margin:0 auto;
  padding:8px;
  overflow:hidden;
  border:1px solid #e1e7ef;
  border-radius:16px;
  background:#fff;
  box-shadow:0 10px 28px rgba(16,40,77,.10);
}
.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:10px;
  object-fit:contain;
}
.dialog-panel .dialog-tip{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin:14px 0 0;
  color:#52657e;
  font-size:11px;
  line-height:1.5;
}
.dialog-tip span{
  flex:0 0 7px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:#18ad5b;
  box-shadow:0 0 0 4px rgba(24,173,91,.12);
}
@media(max-width:560px){
  .course-dialog{padding:14px}
  .dialog-panel{width:100%;max-height:calc(100vh - 28px);padding:26px 20px 24px;border-radius:18px}
  .dialog-panel h2{font-size:24px}
  .dialog-panel>p{font-size:11px}
  .dialog-course{margin:16px 0 14px}
  .dialog-qr{width:min(184px,58vw)}
}
@media(prefers-reduced-motion:reduce){.course-card,.product-toast{transition:none}.course-card: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}
@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}}