@font-face{font-family:Poppins;font-weight:400;src:url(assets/fonts/Poppins-Regular.ttf) format("truetype");font-display:swap}
@font-face{font-family:Poppins;font-weight:500;src:url(assets/fonts/Poppins-Medium.ttf) format("truetype");font-display:swap}
@font-face{font-family:Poppins;font-weight:600;src:url(assets/fonts/Poppins-SemiBold.ttf) format("truetype");font-display:swap}
@font-face{font-family:Poppins;font-weight:700;src:url(assets/fonts/Poppins-Bold.ttf) format("truetype");font-display:swap}
@font-face{font-family:Inter;font-weight:100 900;src:url(assets/fonts/Inter-Variable.ttf) format("truetype");font-display:swap}
:root{
  --red:#8B0F1A;--red2:#A31621;--yel:#FFD400;--ink:#0E0F13;--paper:#FBFAF6;
  --surf:#14161B;--surf2:#1A1D23;--line:rgba(255,255,255,.09);--mut:#A7ABB4;
  --hf:Poppins,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --bf:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{background:var(--ink);color:#E9EAEE;font-family:var(--bf);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{width:min(1200px,100% - 48px);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
h1,h2,h3,h4{font-family:var(--hf);font-weight:600;line-height:1.15;color:#fff;letter-spacing:-.01em}
.zh{white-space:nowrap;font-family:var(--bf);font-weight:500;font-size:.62em;color:var(--mut);margin-left:.4em;letter-spacing:0}
.eyebrow{font-family:var(--hf);font-weight:500;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--yel);margin-bottom:14px}
.eyebrow-r{color:var(--red)}
.ph{color:var(--yel);font-style:normal;font-weight:500;background:rgba(255,212,0,.08);border:1px dashed rgba(255,212,0,.45);border-radius:6px;padding:0 6px;font-size:.88em;white-space:nowrap}
.sec-light .ph{color:var(--red);background:rgba(139,15,26,.06);border-color:rgba(139,15,26,.4)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--yel);color:var(--ink);font-family:var(--hf);font-weight:600;font-size:.95rem;padding:14px 26px;border-radius:10px;border:2px solid var(--yel);cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px -10px rgba(255,212,0,.6)}
.btn-sm{padding:9px 18px;font-size:.88rem}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:var(--yel);box-shadow:none}
.btn-red{background:var(--red);border-color:var(--red);color:#fff}
.btn-red:hover{box-shadow:0 10px 26px -10px rgba(139,15,26,.7)}
.link{font-family:var(--hf);font-weight:500;font-size:.92rem;color:var(--yel);border-bottom:1px solid transparent;transition:border .15s}
.link:hover{border-bottom-color:var(--yel)}
.tag{font-family:var(--hf);font-weight:500;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 11px;border-radius:99px;white-space:nowrap}
.tag-y{color:var(--yel);background:rgba(255,212,0,.1);border:1px solid rgba(255,212,0,.4)}
.tag-r{color:#fff;background:var(--red2);border:1px solid var(--red2)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(14,15,19,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand img{height:38px;width:auto}
.menu{display:flex;align-items:center;gap:30px;font-family:var(--hf);font-weight:500;font-size:.92rem}
.menu a:not(.btn){color:#C9CCD3;transition:color .15s}
.menu a:not(.btn):hover{color:var(--yel)}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.burger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px}

/* hero */
.hero{position:relative;overflow:hidden;padding:clamp(40px,6vw,80px) 0 clamp(48px,6vw,84px);background:radial-gradient(900px 500px at 85% 30%,rgba(163,22,33,.22),transparent 60%),var(--ink)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(#000 40%,transparent);-webkit-mask-image:linear-gradient(#000 40%,transparent)}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.5rem,5.6vw,4.6rem);font-weight:700;margin-bottom:24px}
.hl{color:var(--yel)}
.lead{font-size:clamp(1rem,1.5vw,1.15rem);color:#BFC3CB;max-width:34em;margin-bottom:34px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips li{font-family:var(--hf);font-weight:500;font-size:.8rem;color:#D8DADF;border:1px solid var(--line);background:rgba(255,255,255,.04);padding:6px 14px;border-radius:99px}
.hero-art{width:100%;height:auto;filter:drop-shadow(0 30px 50px rgba(0,0,0,.5))}

/* sections */
.sec{padding:clamp(64px,8vw,110px) 0}
.sec-alt{background:var(--surf);border-block:1px solid var(--line)}
.sec-light{background:var(--paper);color:#3A3D45}
.sec-light h2,.sec-light h3{color:var(--ink)}
.sec-light .zh{color:#6B6F78}
.sec-head{max-width:640px;margin-bottom:48px}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin-bottom:10px}
.sub{color:var(--mut);font-size:1.05rem}
.sec-light .sub{color:#6B6F78}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--surf);border:1px solid var(--line);border-radius:18px;padding:32px;transition:border-color .2s,transform .2s}
.card:hover{border-color:rgba(255,212,0,.4);transform:translateY(-3px)}
.ico{width:52px;height:52px;margin-bottom:22px;padding:10px;background:var(--ink);border:1px solid var(--line);border-radius:14px}
.card h3{font-size:1.4rem;margin-bottom:10px}
.card>p{color:var(--mut);margin-bottom:18px}
.ticks li{position:relative;padding-left:22px;margin-bottom:8px;font-size:.95rem;color:#D3D6DC}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;background:var(--yel);clip-path:polygon(50% 0,100% 100%,0 100%)}
.ticks-sm li{font-size:.9rem}
.ticks-dk li{color:#3A3D45}
.ticks-dk li::before{background:var(--red)}

/* products */
.prod{background:var(--ink);border:1px solid var(--line);border-radius:20px;overflow:hidden;display:flex;flex-direction:column}
.prod-vis{border-bottom:1px solid var(--line);background:var(--ink)}
.prod-art{width:100%;height:auto}
.prod-body{padding:28px 30px 32px;display:flex;flex-direction:column;gap:14px;flex:1;align-items:flex-start}
.prod-top{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%}
.prod-top h3{font-size:1.7rem}
.prod-body>p{color:var(--mut)}

/* membership */
.member{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center}
.plan{background:#fff;border:1px solid #E7E3D8;border-radius:20px;padding:34px;box-shadow:0 24px 50px -30px rgba(14,15,19,.25);display:flex;flex-direction:column;align-items:flex-start}
.plan-k{font-family:var(--hf);font-weight:600;color:var(--red);margin-bottom:6px}
.plan-price{font-family:var(--hf);font-weight:600;font-size:1.9rem;color:var(--ink);margin-bottom:22px}
.plan-price span{font-size:1rem;color:#6B6F78;font-weight:400}
.plan .ticks{margin-bottom:28px;flex:1}
.path{display:flex;flex-direction:column;gap:0;position:relative}
.path li{display:flex;gap:20px;padding:0 0 30px;position:relative}
.path li:last-child{padding-bottom:0}
.path li:not(:last-child)::before{content:"";position:absolute;left:23px;top:50px;bottom:0;width:2px;background:repeating-linear-gradient(var(--red) 0 6px,transparent 6px 12px)}
.n{flex:none;width:48px;height:48px;border-radius:50%;background:var(--red);color:var(--yel);font-family:var(--hf);font-weight:700;font-size:1.2rem;display:grid;place-items:center;z-index:1}
.path li:nth-child(2) .n{background:var(--ink)}
.path li:nth-child(3) .n{background:var(--yel);color:var(--ink)}
.path h3{font-size:1.25rem;margin-bottom:4px}
.path p{color:#555963;font-size:.97rem;margin-bottom:6px}

/* classes */
.city{background:var(--surf);border:1px solid var(--line);border-radius:20px;padding:32px;position:relative;overflow:hidden}
.city::after{content:"";position:absolute;right:-30px;bottom:-30px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(163,22,33,.55),transparent 70%)}
.city-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}
.city h3{font-size:1.6rem}
.city dl{display:grid;gap:0;margin-bottom:24px;position:relative;z-index:1}
.city dl>div{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-top:1px solid var(--line)}
.city dt{color:var(--mut);font-size:.9rem}
.city .link{position:relative;z-index:1}

/* cta */
.cta{background:linear-gradient(120deg,var(--red) 0%,#6E0A13 100%);padding:clamp(56px,7vw,88px) 0;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:6%;top:-40px;width:0;height:0;border-left:140px solid transparent;border-right:140px solid transparent;border-bottom:240px solid rgba(255,212,0,.12)}
.cta-in{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;position:relative;z-index:1}
.cta h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:10px}
.cta p{color:#F1D9DB;max-width:30em}
.form{display:flex;flex-wrap:wrap;gap:12px}
.form input{flex:1 1 220px;min-width:0;padding:15px 18px;border-radius:10px;border:2px solid rgba(255,255,255,.25);background:rgba(14,15,19,.55);color:#fff;font:inherit}
.form input::placeholder{color:#C9A9AC}
.form input:focus{outline:none;border-color:var(--yel)}
.form .btn{background:var(--yel);color:var(--ink)}
.note{flex-basis:100%;font-size:.88rem;color:var(--yel)!important}

/* footer */
.foot{padding:56px 0 36px;background:var(--ink);border-top:1px solid var(--line)}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:36px}
.foot-brand p{color:var(--mut);margin-top:14px;max-width:22em;font-size:.95rem}
.foot-brand img{height:36px;width:auto}
.foot-cols{display:flex;gap:64px;flex-wrap:wrap}
.foot-cols div{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.foot-cols h4{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--yel);margin-bottom:4px;font-weight:500}
.foot-cols a{color:#C9CCD3;font-size:.95rem}
.foot-cols a:hover{color:var(--yel)}
.risk{font-size:.8rem;color:#838893;line-height:1.7;border-top:1px solid var(--line);padding-top:24px;margin-bottom:14px}
.risk strong{color:#B5B9C1}
.copy{font-size:.8rem;color:#838893}

/* responsive */
@media(max-width:1000px){
  .hero-in{grid-template-columns:1fr;gap:36px}
  .grid3{grid-template-columns:1fr}
  .member,.cta-in{grid-template-columns:1fr}
}
@media(max-width:760px){
  .wrap{width:min(1200px,100% - 36px)}
  .burger{display:flex}
  .menu{position:absolute;left:0;right:0;top:68px;background:#0E0F13;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 18px 20px;display:none}
  .menu.open{display:flex}
  .menu a{padding:14px 0;border-bottom:1px solid var(--line)}
  .menu .btn{margin-top:14px;border-bottom:2px solid var(--yel)}
  .grid2{grid-template-columns:1fr}
  .card,.plan,.city{padding:26px}
  .cta-row .btn{flex:1 1 100%}
  .sec-head{margin-bottom:34px}
  .foot-cols{gap:40px}
  .prod-top h3{font-size:1.5rem}
  .city h3{font-size:1.3rem}
  .city-top{flex-wrap:wrap}
}

/* ---- additions: education, discord, path-row, lang ---- */
.menu{gap:24px}
.langsw{font-family:var(--hf);font-weight:500;font-size:.82rem;border:1px solid var(--line);border-radius:99px;padding:5px 12px}
.menu a.langsw{color:#C9CCD3}
.topics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic{background:var(--ink);border:1px solid var(--line);border-radius:18px;padding:26px;position:relative;overflow:hidden;transition:border-color .2s,transform .2s}
.topic:hover{border-color:rgba(255,212,0,.4);transform:translateY(-3px)}
.topic::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--red2)}
.topic:nth-child(2)::before{background:var(--yel)}
.topic:nth-child(4)::before{background:var(--yel)}
.tn{font-family:var(--hf);font-weight:700;font-size:.85rem;color:var(--yel);letter-spacing:.1em}
.topic h3{font-size:1.2rem;margin:10px 0 8px}
.topic p{color:var(--mut);font-size:.95rem}
.ph-line{margin:22px 0 0;color:var(--mut);font-size:.92rem}
.sub-h{font-size:1.35rem;margin:56px 0 20px}
.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mode{background:var(--ink);border:1px solid var(--line);border-radius:18px;padding:24px 26px}
.mode-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.mode h4{font-size:1.1rem}
.mode dl>div{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:11px 0;border-top:1px solid var(--line)}
.mode dt{color:var(--mut);font-size:.88rem}
.sec-cta{margin-top:40px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.note-sm{font-size:.82rem;color:var(--mut)}
.disc{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.disc-copy h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin-bottom:10px}
.disc-copy .sub{margin-bottom:26px}
.ticks-lg li{font-size:1.02rem;margin-bottom:12px}
.price{font-family:var(--hf);font-weight:600;color:#fff;margin:24px 0 26px;font-size:1.05rem}
.price span{color:var(--mut);font-weight:400}
.disc-art{width:100%;height:auto;filter:drop-shadow(0 30px 50px rgba(0,0,0,.5))}
.cap{margin-top:12px;font-size:.8rem;color:var(--mut);text-align:center}
.path-row{flex-direction:row;gap:28px}
.path-row li{flex:1;flex-direction:column;gap:16px;padding:28px;background:#fff;border:1px solid #E7E3D8;border-radius:18px;box-shadow:0 24px 50px -34px rgba(14,15,19,.3)}
.path-row li:not(:last-child)::before{display:none}
.path-row li:not(:last-child)::after{content:"→";position:absolute;right:-24px;top:50%;font-size:1.4rem;color:var(--red);transform:translateY(-50%);z-index:2}
body.zh .eyebrow{letter-spacing:.2em;text-transform:none}
body.zh h1{letter-spacing:0;line-height:1.2}
body.zh h2,body.zh h3,body.zh h4{letter-spacing:0}
body.zh .menu{font-size:.95rem}
body.zh .chips li{letter-spacing:.02em}
@media(max-width:1100px){.topics{grid-template-columns:repeat(2,1fr)}.menu{gap:16px}}
@media(max-width:1000px){.modes{grid-template-columns:1fr}.disc{grid-template-columns:1fr;gap:36px}.path-row{flex-direction:column}.path-row li:not(:last-child)::after{content:"↓";right:auto;left:50%;top:auto;bottom:-24px;transform:translateX(-50%)}}
@media(max-width:760px){.topics{grid-template-columns:1fr}.sub-h{margin-top:40px}.langsw{align-self:flex-start;margin-top:14px;border-bottom:1px solid var(--line)}.menu .langsw{padding:8px 14px}}
h1,h2{text-wrap:balance}
body.zh .eyebrow{font-size:.92rem;font-weight:600}
body.zh .sub,body.zh .lead{font-size:1.05em}
.path-row li{justify-content:flex-start}