:root{
  --blue:#2563eb; --blue-dark:#1d4ed8; --blue-light:#3b82f6; --blue-soft:#eff4ff;
  --ink:#0f172a; --gray:#64748b; --gray-d:#475569; --line:#e6edf7;
  --bg:#ffffff; --bg-soft:#f6f9ff; --bg-deep:#eef4ff;
  --radius:16px; --shadow:0 10px 30px rgba(37,99,235,.08); --shadow-lg:0 18px 50px rgba(37,99,235,.14);
  --maxw:1180px;
  
  --sp-1:4px;  --sp-2:8px;  --sp-3:12px; --sp-4:16px; --sp-5:20px;
  --sp-6:24px; --sp-7:32px; --sp-8:40px; --sp-9:48px; --sp-10:64px;
  --section-pad:72px; --section-pad-md:56px; --section-pad-sm:44px; 
  --head-gap:40px;   
  --gap-card:22px;   
  --gap-tight:18px;  
  --card-pad:24px;   
  
  --foot-bg:#0b1220; --foot-line:#1e2a44; --foot-panel:#111a2e; --foot-txt:#cbd5e1; --foot-dim:#94a3b8; --foot-accent:#60a5fa; --foot-strong:#e2e8f0;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:system-ui,"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.7; -webkit-font-smoothing:antialiased;
  font-size:16px;
}
a{color:inherit;text-decoration:none}

a:focus-visible,button:focus-visible,.btn:focus-visible,summary:focus-visible,.filters button:focus-visible,.dots button:focus-visible{outline:3px solid var(--blue-light);outline-offset:2px;border-radius:8px}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap{position:relative;z-index:2}
section{padding:var(--section-pad) 0}
section:not(.hero){border-top:1px solid var(--line)}
.h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:.5px;margin-bottom:var(--sp-3)}
.h2 .accent{color:var(--blue)}
.sub{color:var(--gray);max-width:720px;margin:0 auto;text-align:center}
.center{text-align:center;margin-bottom:var(--head-gap)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:14px;letter-spacing:1px;text-transform:uppercase;background:var(--blue-soft);padding:6px 14px;border-radius:999px;margin-bottom:var(--sp-3)}


header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.logo .mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--blue-light));display:grid;place-items:center;color:#fff;flex:none}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--gray);letter-spacing:1px}
.nav nav ul{display:flex;gap:6px;list-style:none}
.nav nav a{padding:9px 14px;border-radius:10px;font-size:15px;color:var(--gray-d);font-weight:600;transition:.25s}
.nav nav a:hover{color:var(--blue);background:var(--blue-soft)}
.nav .cta{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;font-weight:700;padding:10px 18px;border-radius:11px;font-size:14px;transition:.25s;box-shadow:var(--shadow)}
.nav .cta:hover{background:var(--blue-dark);transform:translateY(-1px)}
.hamburger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;color:var(--ink)}
.hamburger span{display:block;height:2px;background:var(--ink);margin:5px auto;width:22px;border-radius:2px;transition:.3s}


.hero{position:relative;overflow:hidden;background:var(--bg-soft)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#dbe7ff 1px,transparent 1px),linear-gradient(90deg,#dbe7ff 1px,transparent 1px);background-size:42px 42px;opacity:.5;-webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%)}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;z-index:1}
.blob.a{width:420px;height:420px;background:#bcd2ff;top:-120px;right:-80px}
.blob.b{width:360px;height:360px;background:#cfe0ff;bottom:-140px;left:-100px}
.carousel{position:relative;overflow:hidden}
.slides{display:flex;width:100%;transition:transform .6s cubic-bezier(.7,0,.3,1);will-change:transform}
.slide{flex:0 0 100%;width:100%;max-width:100%;display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;padding:54px 0}
.slide .copy .tag{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--blue);font-weight:700;font-size:13px;padding:6px 13px;border-radius:999px;box-shadow:var(--shadow)}
.slide h1,.slide .h1{font-size:clamp(28px,4.4vw,46px);line-height:1.18;font-weight:800;margin:18px 0 14px;letter-spacing:.5px}
.slide h1 .hl,.slide .h1 .hl{background:linear-gradient(120deg,var(--blue),var(--blue-light));-webkit-background-clip:text;background-clip:text;color:transparent}
.slide p.lead{color:var(--gray-d);font-size:17px;max-width:540px;margin-bottom:24px}
.slide .actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:12px;font-weight:700;transition:.25s;cursor:pointer;border:0;font-size:15px}
.btn.primary{background:var(--blue);color:#fff;box-shadow:var(--shadow)}
.btn.primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn.ghost{background:#fff;color:var(--blue);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--blue);background:var(--blue-soft)}
.slide .art{position:relative;display:grid;place-items:center;min-height:300px}
.slide .art svg{width:100%;max-width:420px;height:auto;filter:drop-shadow(0 18px 30px rgba(37,99,235,.18))}
.dots{display:flex;justify-content:center;gap:10px;margin-top:8px}
.dots button{width:11px;height:11px;border-radius:50%;border:0;background:#c7d6f0;cursor:pointer;transition:.3s;padding:0}
.dots button.active{background:var(--blue);width:30px;border-radius:6px}
.carousel:focus-visible{outline:3px solid var(--blue-light);outline-offset:4px;border-radius:14px}


.stats{background:linear-gradient(120deg,var(--blue-dark),var(--blue));color:#fff;padding:30px 0}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stats .num{font-size:30px;font-weight:800}
.stats .lbl{font-size:13px;opacity:.9;margin-top:2px}


.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap-card)}
.news{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:var(--card-pad);transition:.3s;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}
.news:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cfe0ff}
.news .meta{display:flex;align-items:center;gap:10px;color:var(--gray);font-size:13px}
.news .meta .cat{background:var(--blue-soft);color:var(--blue);font-weight:700;padding:3px 10px;border-radius:999px;font-size:12px}
.news h3{font-size:18px;line-height:1.5}
.news p{color:var(--gray-d);font-size:14.5px;flex:1}
.news .more{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:700;font-size:14px}
.news .more svg{transition:.25s}
.news:hover .more svg{transform:translateX(4px)}


.inst-section{background:var(--bg-soft)}
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}
.filters button{border:1px solid var(--line);background:#fff;color:var(--gray-d);padding:8px 16px;border-radius:999px;font-weight:600;font-size:14px;cursor:pointer;transition:.25s}
.filters button:hover{border-color:var(--blue);color:var(--blue)}
.filters button.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.inst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap-card)}
.inst{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:var(--card-pad);position:relative;overflow:hidden;transition:.3s}
.inst:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cfe0ff}
.inst::after{content:"";position:absolute;left:0;top:0;height:100%;width:4px;background:linear-gradient(var(--blue),var(--blue-light));opacity:0;transition:.3s}
.inst:hover::after{opacity:1}
.inst .badge{display:inline-flex;align-items:center;gap:6px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;margin-bottom:12px}
.inst h3{font-size:17px;line-height:1.45;margin-bottom:14px;min-height:48px}
.inst .row{display:flex;gap:10px;font-size:13.5px;color:var(--gray-d);padding:7px 0;border-top:1px dashed var(--line)}
.inst .row svg{flex:none;color:var(--blue);margin-top:4px}
.inst .row b{color:var(--ink);font-weight:700}
.inst .row span{word-break:break-all}
.inst.hide{display:none}


.level-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--gap-tight)}
.lv{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center;transition:.3s;position:relative}
.lv:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#cfe0ff}
.lv .chip{width:46px;height:46px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;margin:0 auto 12px;font-weight:800;font-size:18px}
.lv h3{font-size:16px;margin-bottom:8px}
.lv p{font-size:13px;color:var(--gray-d)}
.lv .taglv{font-size:12px;color:var(--blue);font-weight:700}


.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap-card);align-items:start}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;transition:.25s}
.faq details[open]{box-shadow:var(--shadow);border-color:#cfe0ff}
.faq summary{list-style:none;cursor:pointer;font-weight:700;font-size:16px;padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .q{display:flex;align-items:center;gap:11px}
.faq summary .qi{width:26px;height:26px;border-radius:8px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:13px;font-weight:800;flex:none}
.faq summary .chev{transition:.3s;color:var(--gray)}
.faq details[open] summary .chev{transform:rotate(180deg)}
.faq details p{padding:0 0 18px 37px;color:var(--gray-d);font-size:14.5px}
.note-box{background:linear-gradient(120deg,var(--bg-deep),var(--bg-soft));border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:14px;padding:22px 24px}
.note-box h3{display:flex;align-items:center;gap:10px;margin-bottom:10px;color:var(--blue-dark)}
.note-box ul{margin:0;padding-left:18px;color:var(--gray-d);font-size:14.5px;display:grid;gap:8px}
.eyebrow--invert{background:rgba(255,255,255,.18);color:#fff}
.note-box--mt{margin-top:18px}


.prep{background:linear-gradient(120deg,var(--blue-dark),var(--blue));color:#fff;border-radius:24px;padding:46px;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;overflow:hidden;position:relative}
.prep::before{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.1)}
.prep h2{color:#fff}
.prep .sub{color:rgba(255,255,255,.85);text-align:left;margin:0 0 18px}
.prep .steps{display:grid;gap:12px}
.prep .step{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:12px 16px;border-radius:12px}
.prep .step .n{width:30px;height:30px;border-radius:8px;background:#fff;color:var(--blue);font-weight:800;display:grid;place-items:center;flex:none}
.prep .kw{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--blue-dark);font-weight:800;padding:10px 16px;border-radius:10px;font-size:15px}
.prep-hl{color:#cfe0ff}
.kw-wrap{margin-top:20px}
.prep .qr-pair{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;align-items:flex-start;justify-self:center}
.prep .qr-item{text-align:center;color:#fff}
.prep .qr-item img{width:156px;height:156px;border-radius:12px;display:block;margin:0 auto 12px}
.prep .qr-item b{display:block;font-size:15px;font-weight:800;margin-bottom:4px}
.prep .qr-item span{display:block;font-size:12.5px;color:rgba(255,255,255,.85);line-height:1.5}


.flow{background:var(--bg-soft)}
.flow-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--gap-tight);counter-reset:step}
.flow .st{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 18px;position:relative;transition:.3s}
.flow .st:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.flow .st .ic{width:50px;height:50px;border-radius:13px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;margin-bottom:14px}
.flow .st h3{font-size:16px;margin-bottom:6px}
.flow .st p{font-size:13.5px;color:var(--gray-d)}
.flow .st .no{position:absolute;top:14px;right:18px;font-size:34px;font-weight:800;color:#e3ebfb}


footer{background:var(--foot-bg);color:var(--foot-txt);padding:54px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:34px}
.foot-brand .logo{color:#fff;margin-bottom:14px}
.foot-brand p{font-size:14px;color:var(--foot-dim);max-width:340px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.foot-col ul{list-style:none;display:grid;gap:11px}
.foot-col a{color:var(--foot-txt);font-size:14px;transition:.25s;display:inline-flex;align-items:center;gap:7px}
.foot-col a:hover{color:var(--foot-accent)}
.foot-col a .arw{width:11px;height:11px;opacity:.5;flex:none}
.disclaimer{background:var(--foot-panel);border:1px solid var(--foot-line);border-radius:14px;padding:18px 20px;font-size:13px;color:var(--foot-txt);line-height:1.7;margin-bottom:24px}
.disclaimer b{color:var(--foot-strong)}
.foot-bottom{border-top:1px solid var(--foot-line);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--foot-dim)}
.foot-bottom a{color:var(--foot-dim)}
.foot-bottom a:hover{color:var(--foot-accent)}
.foot-col li{font-size:14px;color:var(--foot-txt);display:flex;align-items:center;gap:8px}
.foot-col li .ic{color:var(--foot-accent);width:16px;height:16px;flex:none}
.foot-col li a{color:var(--foot-txt)}
.foot-col li a:hover{color:var(--foot-accent)}
.foot-col li small{color:var(--foot-dim);font-size:12px}


@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .slides{transition:none}
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}


@media(max-width:980px){
  section{padding:var(--section-pad-md) 0}
  .slide{grid-template-columns:1fr;text-align:center;padding:36px 0}
  .slide .art{order:-1}
  .slide .actions,.slide p.lead{justify-content:center;margin-left:auto;margin-right:auto}
  .inst-grid{grid-template-columns:repeat(2,1fr)}
  .level-grid{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:repeat(2,1fr)}
  .prep{grid-template-columns:1fr;padding:34px}
  .news-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav nav{display:none}
  .hamburger{display:block}
  .nav nav.open{display:block;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;box-shadow:var(--shadow)}
  .nav nav.open ul{flex-direction:column;gap:2px}
  .nav nav.open a{display:block}

  section{padding:34px 0}
  .center{margin-bottom:26px}
  .container{padding:0 18px}

  .slide{grid-template-columns:1fr;text-align:center;padding:18px 0}
  .slide .art{order:-1;min-height:auto}
  .slide .art svg{max-width:180px}
  .slide h1,.slide .h1{font-size:clamp(24px,7vw,30px);margin:12px 0 10px}
  .slide p.lead{font-size:15px;margin-bottom:16px}
  .slide .actions{gap:10px}
  .slide .actions .btn{padding:11px 18px;font-size:14px}
  .dots{margin-top:6px}
  .dots button{width:9px;height:9px}
  .dots button.active{width:24px}

  .stats{padding:22px 0}
  .stats .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stats .num{font-size:25px}
  .stats .lbl{font-size:12px}

  .news-grid{grid-template-columns:1fr;gap:14px}
  .news{padding:16px}
  .news h3{font-size:16px}
  .news p{font-size:13.5px}
  .news .meta{font-size:12px}

  .inst-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .inst{padding:14px}
  .inst h3{font-size:14.5px;min-height:0;margin-bottom:10px}
  .inst .badge{font-size:11px;padding:3px 9px;margin-bottom:8px}
  .inst .row{font-size:12.5px;padding:5px 0}

  .level-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .lv{padding:16px 12px}
  .lv .chip{width:40px;height:40px;font-size:16px;margin-bottom:8px}
  .lv p{font-size:12px}

  .flow-steps{grid-template-columns:repeat(2,1fr);gap:12px}
  .flow .st{padding:18px 14px}
  .flow .st .ic{width:42px;height:42px;margin-bottom:10px}
  .flow .st h3{font-size:15px;padding-right:28px}
  .flow .st p{font-size:12.5px}
  .flow .st .no{font-size:22px;top:10px;right:12px}

  .prep{padding:24px 18px;gap:20px}
  .prep h2{font-size:22px}
  .prep .sub{font-size:14px}
  .prep .step{padding:10px 14px;font-size:14px}
  .prep .qr-item img{width:128px;height:128px}
  .prep .kw{font-size:14px;padding:8px 14px}

  .faq-grid{grid-template-columns:1fr;gap:14px}
  .faq summary{padding:14px 0;font-size:15px}
  .faq details p{padding:0 0 14px 37px;font-size:13.5px}
  .note-box{padding:18px 16px;margin-top:14px}
  .note-box ul{font-size:13.5px}

  footer{padding:40px 0 20px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-col h4{margin-bottom:12px}
  .foot-bottom{flex-direction:column;gap:8px;font-size:12px}
}

@media(max-width:480px){
  .container{padding:0 16px}
  .logo small{display:none}
  .cta-txt{display:none}
  .stats .num{font-size:23px}
  .stats .lbl{font-size:11.5px}
  .slide .art svg{max-width:150px}
  .inst{padding:12px}
  .inst h3{font-size:14px}
  .inst .row{font-size:12px}
  .lv{padding:14px 10px}
  .flow .st{padding:16px 12px}
  .news{padding:14px}
}


@media print{
  header.nav,.dots,.blob,.carousel,.hero::before{display:none!important}
  html{scroll-behavior:auto}
  body{background:#fff!important;color:#000!important;font-size:12px;line-height:1.5}
  section{padding:20px 0!important;border-top:1px solid #ccc!important}
  .container{max-width:none;padding:0 16px}
  .eyebrow{background:#eee!important;color:#000!important}
  .eyebrow--invert{background:#eee!important;color:#000!important}
  .inst,.news,.lv,.flow .st,.faq details,.note-box{box-shadow:none!important;border:1px solid #bbb!important;break-inside:avoid}
  .prep{background:#fff!important;color:#000!important;border:1px solid #bbb!important}
  .prep .sub,.prep h2,.prep .kw,.prep .qr-item{color:#000!important}
  .prep .step{background:#f4f4f4!important;border:1px solid #ccc!important;color:#000!important}
  .prep .kw{background:#eee!important;color:#000!important}
  .prep .qr-item img{filter:none}
  a{color:#000!important;text-decoration:underline}
  footer{background:#fff!important;color:#000!important}
  .foot-grid{display:none!important}
  .disclaimer{background:#f4f4f4!important;border:1px solid #ccc!important;color:#000!important}
  .foot-bottom{color:#000!important}
  .faq details:not([open])>*:not(summary){display:block!important}
  .faq summary .chev{display:none!important}
}