:root{
  color-scheme:light;
  --ink:#162b23;
  --muted:#52655d;
  --green:#087d5b;
  --deep:#085841;
  --line:#dbe7df;
  --wash:#eff7f2;
  --focus:#0c9169;
}
*{box-sizing:border-box}
html{scroll-padding-top:90px}
body{margin:0;color:var(--ink);background:#fff;font:16px/1.6 "Microsoft YaHei","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif}
[hidden]{display:none!important}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{line-height:1.25;letter-spacing:-.025em}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.container{width:min(1160px,calc(100% - 56px));margin-inline:auto}
.icon{flex-shrink:0;vertical-align:middle}
.eyebrow{color:var(--deep);font-size:13px;font-weight:700;letter-spacing:.025em}
.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:8px;padding:9px 16px;border:1px solid transparent;border-radius:8px;font-weight:680;line-height:1.35;text-align:center}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--deep);color:#fff}
.btn-secondary{color:var(--deep);background:#fff;border-color:#b6d0c1}
.btn-secondary:hover{background:var(--wash);border-color:var(--green)}
.skip{position:absolute;top:7px;left:10px;z-index:50;transform:translateY(-150%);padding:8px 12px;border-radius:5px;background:#fff;color:var(--deep)}
.skip:focus{transform:none}

.site-head{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #e4ebe6}
.head-row{min-height:70px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:22px}
.brand{display:inline-flex;flex-shrink:0;align-items:center;gap:8px;line-height:1.18;color:#143b2d}
.brand-symbol{display:block;width:38px;height:38px;overflow:hidden;flex:none}
.brand-symbol img{width:179px;max-width:none;height:auto;transform:translate(-6px,-9px)}
.brand strong,.brand small{display:block;white-space:nowrap}
.brand strong{font-size:17px;letter-spacing:-.04em}
.brand-divider{font-weight:400;margin-inline:2px;color:#698679}
.brand small{margin-top:5px;color:#486a5b;font-size:7px;letter-spacing:.08em}
.main-nav{display:flex;justify-content:center;gap:clamp(10px,2.8vw,37px);height:100%;align-items:center}
.main-nav a,.head-teacher{position:relative;display:flex;align-items:center;min-height:42px;white-space:nowrap;font-size:14px;font-weight:550}
.main-nav a:hover,.main-nav a[aria-current=page],.head-teacher:hover,.head-teacher[aria-current=page]{color:var(--deep)}
.main-nav a[aria-current=page]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--green)}
.head-actions{display:flex;align-items:center;gap:17px}
.header-contact{white-space:nowrap;font-size:14px;min-height:42px}
.menu-button{display:none;place-items:center;width:44px;height:44px;border:0;background:#fff;padding:0;color:var(--ink)}
.mobile-nav{display:none}
.site-foot{background:#f3f6f3;border-top:1px solid var(--line);margin-top:58px;padding:26px 0 16px}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px 30px;flex-wrap:wrap}
.foot-top p{margin:7px 0 0;color:var(--muted);font-size:13px}
.foot-top nav{display:flex;flex-wrap:wrap;gap:7px 17px;font-size:14px}
.foot-top nav a:hover{text-decoration:underline}
.foot-disclaimer{margin-top:17px;font-size:13px;color:var(--muted)}
.foot-meta{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:7px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.missing{padding:60px 0}.missing .btn{margin-top:17px}

.home-hero{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);align-items:center;gap:clamp(24px,4vw,58px);padding-block:52px 42px}
.home-hero-kicker{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px}
.home-hero-kicker::before{width:14px;height:2px;background:var(--green);content:""}
.home-hero h1{font-size:clamp(44px,4.55vw,66px);font-weight:760;line-height:1.09;letter-spacing:-.052em}
.home-hero h1 span{display:block}
.home-hero-intro{max-width:425px;margin-top:16px;color:var(--muted);font-size:17px;line-height:1.7}
.home-hero-actions{display:flex;align-items:center;gap:7px 20px;flex-wrap:wrap;margin-top:23px}
.home-hero-actions .btn{min-width:196px;min-height:50px}
.home-quiet-link{display:inline-flex;align-items:center;gap:7px;min-height:44px;color:var(--deep);font-size:14px;font-weight:650}
.home-quiet-link:hover{text-decoration:underline;text-underline-offset:4px}
.home-hero-art{position:relative;isolation:isolate;width:100%;aspect-ratio:1.46}
.home-hero-art::before,.home-hero-art::after{position:absolute;z-index:-1;content:""}
.home-hero-art::before{inset:5% 3% 4% 15%;border-radius:49% 51% 48% 46% / 55% 49% 51% 45%;background:#148668}
.home-hero-art::after{inset:7% 12% 7% 5%;border:2px solid #a9cdbb;border-radius:50%;transform:rotate(-12deg)}
.hero-frame{position:absolute;width:24%;height:70%;object-fit:cover;border-radius:11px;box-shadow:0 7px 19px #143f2d2e}
.hero-frame-city{left:10.5%;top:12%;object-position:52% 55%}
.hero-frame-study{left:38%;top:24%;object-position:50% 50%;z-index:1}
.hero-frame-documents{left:65.5%;top:12%;object-position:center}
.home-facts{background:#f0f5f1}
.home-facts ul{display:flex;justify-content:center;list-style:none;margin-block:0;padding:12px 0;color:#31564a;font-size:14px;font-weight:650}
.home-facts li{padding-inline:clamp(14px,3vw,40px);text-align:center}
.home-facts li+li{border-left:1px solid #c9ded0}

.home-categories{padding-block:49px 64px}
.home-categories h2,.home-offers h2,.home-faq h2,.home-process h2{font-size:clamp(25px,2.75vw,38px)}
.home-categories h2{text-align:center;margin-bottom:20px}
.home-categories ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.home-categories a{display:grid;place-content:center;justify-items:center;gap:8px;min-height:133px;padding:12px 8px;border:1.5px solid #a6cdbb;border-radius:10px;background:#fff;font-size:21px;font-weight:690}
.home-categories a .icon{color:var(--green);width:40px;height:40px}
.home-categories a:hover,.home-categories a:focus-visible{background:var(--wash);border-color:var(--green)}

.home-process{position:relative;isolation:isolate}
.home-process::before{content:"";position:absolute;z-index:-1;top:0;bottom:0;left:0;width:50%;border-radius:0 50px 50px 0;background:#11674f}
.home-process-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,7vw,100px);align-items:center}
.home-process-steps{padding-block:37px 40px;color:#fff}
.home-process-steps ol{list-style:none;display:grid;gap:14px;padding:0;margin:17px 0 0}
.home-process-steps li{display:grid;grid-template-columns:33px minmax(0,1fr);gap:8px}
.home-process-steps li > span{font-size:13px;font-weight:700;color:#c5ebd8;padding-top:2px}
.home-process-steps h3{font-size:18px}
.home-process-steps p{color:#e1eee7;font-size:14px;margin-top:3px}
.home-delivery{padding-block:20px}
.home-delivery h2{font-size:clamp(24px,2.5vw,33px);margin-top:5px}
.home-delivery ul{margin:13px 0 0;padding:0;list-style:none;display:grid;gap:7px}
.home-delivery li{display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:15px}
.home-delivery li .icon{color:var(--green);margin-top:2px}
.home-delivery-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 15px;margin-top:12px;padding-top:9px;border-top:1px solid var(--line)}
.home-price{color:var(--deep);font-size:27px;font-weight:750;line-height:1.2;font-variant-numeric:tabular-nums;white-space:nowrap}
.home-price>span{font-size:16px;margin-right:3px}
.home-price small{font-size:13px;font-weight:500;color:var(--muted)}

.home-offers,.home-faq{margin-top:55px}
.home-section-title{display:flex;align-items:center;justify-content:space-between;gap:4px 16px;flex-wrap:wrap;margin-bottom:11px}
.home-offer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.home-offer{min-width:0;display:flex;flex-direction:column;padding:16px 17px;border:1px solid var(--line);border-radius:9px}
.home-offer:hover{border-color:#94b9a7;background:#fbfdfa}
.home-offer h3{font-size:19px;margin-top:5px}
.home-offer p{font-size:14px;color:var(--muted);margin:7px 0 10px}
.home-offer>div{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;color:var(--green)}
.home-price-note{margin-top:9px;font-size:13px;color:var(--muted)}
.home-faq{display:grid;grid-template-columns:minmax(130px,.39fr) minmax(0,1fr);gap:14px 34px}
.home-faq-list{border-top:1px solid var(--line)}
.home-faq details{border-bottom:1px solid var(--line)}
.home-faq summary{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:48px;padding:8px 3px;font-size:15px;font-weight:650;cursor:pointer;list-style:none}
.home-faq summary::-webkit-details-marker{display:none}
.home-faq summary .icon{color:var(--green)}
.home-faq details[open] summary .icon{transform:rotate(45deg)}
.home-faq details p{color:var(--muted);font-size:14px;padding:0 3px}
.home-faq details>a{padding:0 3px}

@media(max-width:880px){
  .container{width:calc(100% - 40px)}
  .head-row{grid-template-columns:minmax(0,1fr) auto;min-height:64px;gap:8px}
  .main-nav,.head-teacher{display:none}
  .head-actions{gap:3px}
  .menu-button{display:grid}
  .mobile-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px 14px;padding:4px 0 12px}
  .mobile-nav a{display:flex;min-height:44px;align-items:center;font-size:15px;border-bottom:1px solid var(--line)}
  .mobile-nav a[aria-current=page]{color:var(--green);font-weight:700}
}
@media(max-width:650px){
  html{scroll-padding-top:76px}
  .container{width:calc(100% - 32px)}
  .head-row{min-height:61px;gap:4px}
  .brand{gap:6px}
  .brand-symbol{width:34px;height:34px}
  .brand-symbol img{width:161px;transform:translate(-5px,-8px)}
  .brand strong{font-size:14px}
  .brand small{font-size:6px;margin-top:4px}
  .header-contact{min-height:44px;padding:7px 9px;gap:4px;font-size:12px}
  .header-contact .icon{width:20px;height:20px}
  .home-hero{grid-template-columns:1fr;gap:17px;padding-block:25px 20px}
  .home-hero-kicker{margin-bottom:8px}
  .home-hero h1{font-size:clamp(34px,9.9vw,45px)}
  .home-hero-intro{margin-top:9px;font-size:15px}
  .home-hero-actions{margin-top:14px;gap:4px 12px}
  .home-hero-actions .btn{min-width:147px;min-height:46px;padding-inline:11px;font-size:14px}
  .home-hero-art{max-width:388px;margin-inline:auto;aspect-ratio:1.67}
  .hero-frame{border-radius:7px}
  .home-facts ul{padding:9px 0;font-size:12px}
  .home-facts li{padding-inline:6px;white-space:nowrap}
  .home-categories{padding-block:28px 35px}
  .home-categories h2{margin-bottom:12px}
  .home-categories ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .home-categories a{min-height:100px;font-size:17px;gap:5px}
  .home-process::before{display:none}
  .home-process-grid{grid-template-columns:1fr;gap:0}
  .home-process-steps{background:#11674f;border-radius:0 28px 28px 0;padding:20px 13px 23px 16px;margin-left:-16px}
  .home-process-steps ol{margin-top:12px;gap:10px}
  .home-process-steps h3{font-size:16px}
  .home-delivery{padding-block:17px 0}
  .home-offers,.home-faq{margin-top:31px}
  .home-offer-grid,.home-faq{grid-template-columns:1fr;gap:8px}
  .home-offer{padding:12px 13px}
  .site-foot{margin-top:36px}
}
@media(max-width:355px){
  .head-row,.mobile-nav{width:calc(100% - 24px)}
  .header-contact .icon{display:none}
  .home-facts ul{font-size:11px}
}