:root {
  --green:#087467;
  --green-dark:#075c53;
  --green-deep:#103b36;
  --green-pale:#edf6f3;
  --ink:#17211f;
  --muted:#63706d;
  --line:#dfe7e4;
  --paper:#fbfcfb;
  --white:#fff;
  --shadow-soft:0 12px 34px rgba(16,59,54,.07);
  --shadow-hover:0 22px 48px rgba(16,59,54,.11);
  --ease:cubic-bezier(.22,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  background:
    radial-gradient(circle at 88% 8%, rgba(8,116,103,.055), transparent 25rem),
    radial-gradient(circle at 8% 34%, rgba(8,116,103,.025), transparent 22rem),
    var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
img{display:block;max-width:100%}
.shell{width:min(1180px,calc(100% - 40px));margin:auto}

header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,252,251,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(223,231,228,.8);
}
.nav{
  height:76px;display:flex;align-items:center;gap:18px
}
.brand{flex:none}
.brand img{width:142px;max-width:142px;height:auto;background:transparent}
.nav-end{display:flex;align-items:center;gap:28px;flex:none;margin-left:auto}
nav{display:flex;align-items:center;gap:28px;font-size:14px;color:#3e4d49}
nav a{
  position:relative;
  transition:color .22s var(--ease);
}
nav a:not(.nav-btn)::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-8px;
  height:2px;border-radius:99px;background:var(--green);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s var(--ease);
}
nav a:not(.nav-btn):hover::after{transform:scaleX(1)}
nav a:not(.nav-btn):hover{color:var(--green)}
.nav-btn{
  padding:10px 17px;border-radius:999px;background:var(--green);color:#fff;font-weight:700;
  flex:none;white-space:nowrap;
  transition:background .2s var(--ease)
}
.nav-btn:hover{background:var(--green-dark);color:#fff}

.hero{padding:72px 0 84px}
.hero-grid{
  display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center
}
.hero h1{
  margin:0;font-size:clamp(48px,6.4vw,78px);line-height:1.08;
  letter-spacing:-.05em;max-width:710px
}
.hero p{
  margin:25px 0 0;max-width:640px;color:var(--muted);
  font-size:19px;line-height:1.9
}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.primary,.secondary{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:0 24px;border-radius:999px;font-weight:700;
  border:1px solid transparent;transition:.2s ease
}
.primary{background:var(--green);color:white}
.primary:hover{background:var(--green-dark);transform:translateY(-1px)}
.secondary{background:white;border-color:var(--line);color:#2d3b38}
.secondary:hover{border-color:#b9ccc7}
.hero-photo{
  position:relative;aspect-ratio:1/1;overflow:hidden;border-radius:34px;
  box-shadow:0 24px 60px rgba(16,59,54,.14);
  transform:translateZ(0);
  transition:transform .45s var(--ease), box-shadow .45s var(--ease)
}
.hero-photo:hover{
  transform:translateY(-4px);
  box-shadow:0 30px 72px rgba(16,59,54,.18)
}
.hero-photo img{
  transition:transform 1.2s var(--ease)
}
.hero-photo:hover img{transform:scale(1.025)}
.hero-photo img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.16));
  pointer-events:none
}

.section{padding:86px 0}
.section-white{background:white}

.section-green{
  background:var(--green-deep);
  color:white
}
.section-green .kicker{color:#92d5ca}
.section-green .story-copy h2{color:white}
.section-green .story-copy p{color:rgba(255,255,255,.74)}
.section-green .story-copy .line{background:#92d5ca}
.section-green .story-photo{
  box-shadow:0 20px 50px rgba(0,0,0,.18)
}

.kicker{color:var(--green);font-weight:800;font-size:13px;letter-spacing:.08em;margin-bottom:12px}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{
  margin:0;font-size:clamp(34px,4.3vw,54px);line-height:1.2;letter-spacing:-.04em
}
.section-head p{margin:18px 0 0;color:var(--muted);font-size:17px;line-height:1.85}

.tracks{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px
}
.track{
  position:relative;
  padding:28px 28px 30px;
  min-height:220px;
  background:linear-gradient(180deg,#ffffff 0%,#fbfdfc 100%);
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  transition:transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s var(--ease)
}.track:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:#c9d9d5
}
.track:hover::before{
  transform:scale(1.12);
  background:rgba(8,116,103,.085)
}
.track span{
  display:grid;
  place-items:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--green-pale);
  color:var(--green);
  font-weight:800;
  margin-bottom:34px;
  font-size:13px
}
.track h3{margin:0 0 10px;font-size:22px;letter-spacing:-.015em}
.track p{margin:0;color:var(--muted);line-height:1.78;font-size:14px}

.story{
  display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center
}
.story-photo{
  position:relative;
  aspect-ratio:16/10;border-radius:30px;overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease)
}
.story-photo:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover)
}
.story-photo img{width:100%;height:100%;object-fit:cover}
.story-copy h2{
  margin:0;font-size:clamp(34px,4vw,50px);line-height:1.2;letter-spacing:-.04em
}
.story-copy p{color:var(--muted);line-height:1.9;font-size:16px;margin:18px 0 0}
.story-copy .line{
  width:48px;height:3px;background:var(--green);border-radius:99px;margin:26px 0 0
}

.tech-grid{
  display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start
}
.tech-intro{
  position:sticky;top:110px
}
.tech-intro h2{
  font-size:clamp(35px,4.2vw,54px);line-height:1.2;letter-spacing:-.04em;margin:0
}
.tech-intro p{color:var(--muted);line-height:1.9;font-size:16px;margin-top:18px}
.tech-grid + .tech-list{margin-top:36px}
.tech-list{border-top:1px solid var(--line)}
.tech-item{
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:24px 20px;
  margin:0 -20px;
  border-bottom:1px solid var(--line);
  border-radius:18px;
  transition:background .28s var(--ease), transform .28s var(--ease)
}
.tech-item:hover{
  background:rgba(237,246,243,.72);
  transform:translateX(4px)
}
.tech-item b{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--green-pale);color:var(--green)
}
.tech-item h3{margin:1px 0 8px;font-size:19px}
.tech-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}

.school-band{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:0;
  background:linear-gradient(135deg,var(--green-deep),#0b4941);
  color:white;border-radius:34px;overflow:hidden;
  box-shadow:0 20px 52px rgba(16,59,54,.12)
}
.school-band .photo{min-height:430px}
.school-band .photo img{width:100%;height:100%;object-fit:cover}
.school-band .copy{padding:44px;display:flex;flex-direction:column;justify-content:center}

.section-kids{
  background:linear-gradient(180deg,#0e403a,#0b3732);
  color:white
}
.section-kids .school-band{
  box-shadow:none;
  background:transparent;
  border-radius:0
}
.section-kids .school-band .photo{
  border-radius:28px;
  overflow:hidden
}
.section-kids .school-band .copy{
  padding:44px 0 44px 44px
}

.school-band h2{margin:0;font-size:clamp(34px,4vw,50px);line-height:1.2;letter-spacing:-.04em}
.school-band p{margin:18px 0 0;color:rgba(255,255,255,.72);line-height:1.85}


.quick-cta{
  background:var(--green);
  color:white;
  padding:18px 0;
  box-shadow:0 10px 30px rgba(8,116,103,.10)
}
.quick-cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px
}
.quick-cta-inner div{
  display:flex;
  align-items:baseline;
  gap:18px;
  flex-wrap:wrap
}
.quick-cta strong{
  font-size:18px;
  letter-spacing:-.015em
}
.quick-cta span{
  color:rgba(255,255,255,.76);
  font-size:14px
}
.quick-cta a{
  flex:none;
  background:white;
  color:var(--green-dark);
  font-weight:800;
  padding:10px 17px;
  border-radius:999px;
  transition:transform .22s var(--ease)
}
.quick-cta a:hover{transform:translateY(-1px)}

.course-accent{
  color:#B3543C;
  font-weight:800
}
.plans-layout .nav-btn{margin-left:auto}
.plans-group-note{
  margin:22px 0 0;
  max-width:760px;
  color:var(--muted);
  font-size:16px;
  line-height:1.8
}
.plans-group-note strong{color:var(--ink);font-weight:800}

.lang-offer{padding:28px 0 40px}
.section.lang-offer,.lang-offer{padding:36px 0 44px}
.lang-cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch
}
.lang-card{
  display:block;
  width:100%;
  padding:0;
  font:inherit;
  color:inherit;
  text-align:left;
  cursor:pointer;
  appearance:none;
  -webkit-appearance:none;
  background:transparent;
  border:0;
  border-radius:28px;
  overflow:hidden;
  box-shadow:0 18px 40px rgba(16,20,18,.12);
  transition:transform .32s var(--ease), box-shadow .32s var(--ease)
}
.lang-card:focus-visible{
  outline:2px solid var(--green);
  outline-offset:2px
}
.lang-card:hover{
  transform:translateY(-4px);
  box-shadow:0 26px 48px rgba(16,20,18,.18)
}
.lang-card-photo{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3;
  background:#dfe7e4
}
.lang-card-photo img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  transition:transform 1.1s var(--ease)
}
.lang-card-pt .lang-card-photo img{object-position:center 68%}
.lang-card:hover .lang-card-photo img{transform:scale(1.04)}
.lang-card-code{
  position:absolute;
  top:16px;
  right:18px;
  z-index:2;
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  text-shadow:0 1px 8px rgba(0,0,0,.45);
  pointer-events:none
}
.lang-card-panel{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) 40px;
  gap:12px;
  align-items:end;
  padding:52px 18px 18px 18px;
  border-radius:0;
  background:transparent;
  color:#fff;
  pointer-events:none
}
.lang-card-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(
    to top,
    rgba(8,8,10,.96) 0%,
    rgba(8,8,10,.78) 40%,
    rgba(8,8,10,.5) 78%,
    rgba(8,8,10,0) 100%
  );
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  -webkit-mask-image:linear-gradient(to top,#000 70%,transparent);
  mask-image:linear-gradient(to top,#000 70%,transparent);
  pointer-events:none
}
.lang-card-copy,
.lang-card-go{position:relative;z-index:1}
.lang-card-go{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:50%;
  flex:none;
  background:#eef2ef;
  color:#141414;
  transition:transform .25s var(--ease)
}
.lang-card-go svg{width:18px;height:18px}
.lang-card-copy{
  display:grid;
  gap:4px;
  min-width:0
}
.lang-card-title{
  color:#fff;
  font-size:clamp(20px,1.8vw,26px);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.1
}
.lang-card-desc{
  color:rgba(255,255,255,.72);
  font-size:13px;
  line-height:1.35
}
.lang-card:hover .lang-card-go{transform:translateX(2px)}

.course-box{
  width:min(624px,100%);
  text-align:left
}
.course-box h3{margin:0 0 4px}
.course-lang{
  margin:0 0 12px;
  font-size:22px;
  font-weight:800;
  color:var(--green-dark);
  letter-spacing:-.02em
}
.course-box .course-lead{margin:0 0 18px}
.course-box .contact-form{
  padding:0;
  border:0;
  box-shadow:none;
  background:transparent;
  border-radius:0
}
.course-box textarea{min-height:96px}
.course-actions{display:grid;gap:10px;margin-top:8px}
.course-box .submit{margin-top:0;width:100%}
.wa-big{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:100%;
  min-height:56px;
  padding:0 24px;
  border-radius:999px;
  background:#25d366;
  color:#083b16;
  font-weight:800;
  font-size:17px
}
.wa-big:hover{filter:brightness(.96)}
.course-thanks-box{text-align:center;width:min(420px,100%)}
.course-thanks-box .wa-big{margin:8px 0 16px}

.contact-grid{
  display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start
}
.contact-copy h2{
  margin:0;font-size:clamp(36px,4.4vw,56px);line-height:1.15;letter-spacing:-.04em
}
.contact-copy p{color:var(--muted);line-height:1.9;font-size:16px;margin:18px 0 0}
.contact-form{
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:28px;
  padding:30px;
  box-shadow:var(--shadow-soft)
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:8px}
.field.full{grid-column:1/-1}
label{font-size:14px;font-weight:700}
input,textarea,select{
  width:100%;border:1px solid #d8e2df;border-radius:14px;background:#fbfdfc;
  color:var(--ink);outline:none;padding:14px 15px;transition:.2s
}
select{min-height:52px;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--green) 50%),linear-gradient(135deg,var(--green) 50%,transparent 50%);background-position:calc(100% - 22px) 22px,calc(100% - 16px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
input:focus,textarea:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(8,116,103,.08)}
textarea{min-height:145px;resize:vertical}
.submit{
  margin-top:18px;border:0;border-radius:999px;background:var(--green);color:white;
  min-height:50px;padding:0 24px;font-weight:800;cursor:pointer
}
.submit:hover{background:var(--green-dark)}
.submit:disabled{opacity:.72;cursor:wait}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.form-status{display:none;margin-top:14px;font-size:14px;font-weight:700;line-height:1.6}
.form-status.show{display:block}
.form-status.ok{color:var(--green-dark)}
.form-status.warn{color:#9a4a1f}

footer{padding:34px 0 48px}
.footer-row{
  border-top:1px solid var(--line);padding-top:26px;display:flex;align-items:center;
  justify-content:space-between;gap:20px;color:#71807c;font-size:13px
}
.footer-row img{width:106px}

/* 浮动联系按钮 */
.chat-wrap{position:fixed;right:24px;bottom:24px;z-index:80}
.chat-main{
  width:58px;height:58px;border:0;border-radius:50%;background:var(--green);color:white;
  display:grid;place-items:center;cursor:pointer;box-shadow:0 14px 34px rgba(8,116,103,.28);
  text-decoration:none
}
.chat-main svg,.chat-main img{width:27px;height:27px;display:block}
.chat-menu{
  position:absolute;right:0;bottom:70px;display:grid;gap:9px;
  opacity:0;transform:translateY(14px) scale(.96);pointer-events:none;
  transition:.22s ease
}
.chat-wrap.open .chat-menu{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.chat-option{
  min-width:138px;border:1px solid var(--line);border-radius:15px;background:white;
  box-shadow:0 12px 32px rgba(16,59,54,.12);padding:11px 14px;
  display:flex;align-items:center;gap:10px;font-weight:700;color:#2c3b37;cursor:pointer
}
.dot{width:9px;height:9px;border-radius:50%;background:var(--green)}

/* 模态框 */
.modal{
  position:fixed;inset:0;z-index:100;background:rgba(13,29,26,.42);
  display:none;align-items:center;justify-content:center;padding:20px
}
.modal.show{display:flex}
.modal-box{
  width:min(420px,100%);background:white;border-radius:26px;padding:28px;
  box-shadow:0 28px 80px rgba(0,0,0,.22);text-align:center
}
.modal-box h3{margin:0;font-size:24px}
.modal-box img{
  width:100%;max-width:340px;aspect-ratio:1;object-fit:contain;
  margin:22px auto 16px;display:block;border-radius:18px;
  border:1px solid var(--line);background:#f4f8f7
}
.wechat-id{
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin:0 0 20px;color:var(--ink);font-weight:700
}
.wechat-id strong{letter-spacing:.04em}
.copy-id{
  border:0;background:transparent;color:var(--green-dark);
  width:36px;height:36px;cursor:pointer;display:grid;place-items:center
}
.copy-id:hover,.copy-id.is-copied{color:var(--green)}
.modal-box p{color:var(--muted);margin:0 0 20px}
.close-modal{
  border:0;border-radius:999px;background:var(--green);color:white;
  padding:11px 20px;font-weight:800;cursor:pointer
}


/* 动效：克制、平滑、尊重系统“减少动态效果”设置 */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:
    opacity .7s var(--ease),
    transform .7s var(--ease);
  will-change:opacity,transform
}
.reveal.is-visible{
  opacity:1;
  transform:none
}
.reveal-delay-1{transition-delay:.06s}
.reveal-delay-2{transition-delay:.12s}
.reveal-delay-3{transition-delay:.18s}
.reveal-delay-4{transition-delay:.24s}

.hero h1,.hero p,.hero-actions{
  animation:heroIn .8s var(--ease) both
}
.hero p{animation-delay:.08s}
.hero-actions{animation-delay:.16s}
.hero-photo{animation:heroPhotoIn .9s .12s var(--ease) both}

@keyframes heroIn{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:none}
}
@keyframes heroPhotoIn{
  from{opacity:0;transform:translateY(18px) scale(.985)}
  to{opacity:1;transform:none}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation:none!important;
    transition:none!important;
    scroll-behavior:auto!important
  }
  .reveal{opacity:1;transform:none}
}

@media(max-width:960px){
  .nav-end{gap:12px}
  header nav{display:none!important}
  .hero-grid,.story,.tech-grid,.school-band,.contact-grid,.plans-split{grid-template-columns:1fr}
  .plans-cards{grid-template-columns:repeat(2,1fr)}
  .plans-flow{grid-template-columns:repeat(2,1fr)}
  .plans-include{grid-template-columns:1fr}
  .tracks{grid-template-columns:repeat(2,1fr)}
  .tech-intro{position:static}
  .hero{padding-top:50px}
  .school-band .photo{min-height:340px}
}
@media(max-width:640px){
  .shell{width:min(100% - 24px,1180px)}
  .nav{height:auto;min-height:64px;gap:8px;flex-wrap:nowrap;overflow:visible}
  .nav-end{gap:6px}
  .nav-start{gap:8px}
  .brand img{width:92px;max-width:92px}
  .lang-switch{margin-left:0}
  header .nav-btn{margin-left:auto;flex-shrink:0}
  .lang-cards{grid-template-columns:repeat(2,1fr);gap:16px}
  .lang-card{border-radius:22px}
  .lang-card-panel{
    left:0;right:0;bottom:0;
    grid-template-columns:minmax(0,1fr) 34px;
    padding:40px 14px 14px 14px;
    gap:10px
  }
  .lang-card-go{width:34px;height:34px}
  .lang-card-go svg{width:16px;height:16px}
  .lang-card-title{font-size:18px}
  .lang-card-desc{font-size:12px}
  .lang-card-code{top:12px;right:12px;font-size:11px}
  .hero{padding:42px 0 58px}
  .hero-grid{gap:34px}
  .hero h1{font-size:44px}
  .hero p{font-size:16px}
  .tracks{grid-template-columns:1fr}
  .section{padding:58px 0}
  .school-band .copy{padding:28px}
.section-kids .school-band .copy{padding:28px 0 0}
  .quick-cta-inner{align-items:flex-start;flex-direction:column;gap:12px}
.quick-cta-inner div{display:grid;gap:6px}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:auto}
  .contact-form{padding:22px}
  .footer-row{align-items:flex-start;flex-direction:column}
  .chat-wrap{right:16px;bottom:16px}
}

/* language switch */
.lang-switch{
  display:flex;
  align-items:center;
  flex:none;
  flex-shrink:0;
  padding:4px;
  gap:4px;
  border-radius:999px;
  background:var(--green-pale);
}
.lang-opt{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
  padding:5px;
  border-radius:999px;
  border:1.5px solid transparent;
  background:transparent;
  font-size:0;
  line-height:0;
}
.lang-opt:hover{opacity:.82}
.lang-opt.is-active:hover{opacity:1}
.lang-opt.is-active{
  background:#fff;
  box-shadow:none;
  border-color:#fff
}
.lang-opt svg{
  width:22px;height:15px;border-radius:2px;
  box-shadow:0 0 0 1px rgba(16,59,54,.08)
}
body.lang-pt,body.lang-en{font-family:Calibri,"Segoe UI",Arial,sans-serif}
@media(max-width:960px){
  header .nav-btn{
    display:inline-flex;
    align-items:center;
    visibility:visible;
    opacity:1;
  }
}
@media(max-width:640px){
  .lang-opt{padding:4px 6px}
  .lang-opt svg{width:18px;height:12px}
  .nav-btn{padding:8px 12px;font-size:13px}
}
@media(max-width:480px){
  .brand img{width:84px;max-width:84px}
  .nav{gap:6px}
  .nav-btn{padding:7px 10px;font-size:12px}
  .lang-cards{grid-template-columns:1fr}
}

.plans-hero{padding:72px 0 28px}
.plans-hero h1{
  margin:0;font-size:clamp(40px,5.4vw,68px);line-height:1.12;letter-spacing:-.04em;max-width:820px
}
.plans-hero .lead{
  margin:22px 0 0;max-width:720px;color:var(--muted);font-size:18px;line-height:1.85
}
.plans-copy{max-width:760px}
.plans-copy p{margin:0 0 16px;color:var(--muted);font-size:17px;line-height:1.85}
.plans-copy p:last-child{margin-bottom:0}
.plans-split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center
}
.plans-photo{
  position:relative;aspect-ratio:4/3;border-radius:28px;overflow:hidden;
  box-shadow:var(--shadow-soft)
}
.plans-photo img{width:100%;height:100%;object-fit:cover}
.plans-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px
}
.plans-card{
  padding:20px 20px 22px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-soft);
  min-height:168px
}
.plans-card span{
  display:grid;place-items:center;width:32px;height:32px;margin-bottom:12px;
  border-radius:50%;background:var(--green-pale);color:var(--green);
  font-size:12px;font-weight:800
}
.plans-card h3{margin:0 0 8px;font-size:17px;letter-spacing:-.02em}
.plans-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.plans-cards:not(.plans-cards-even) .plans-card:last-child{grid-column:span 2}
.plans-cards-even .plans-card:last-child{grid-column:auto}
.plans-flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px
}
.plans-flow .plans-card{min-height:0}
.plans-goal{
  margin:14px 0 0;padding-top:14px;border-top:1px solid var(--line);
  color:var(--green-dark);font-size:14px;font-weight:700;line-height:1.55
}
.plans-include{
  display:grid;grid-template-columns:1fr 1fr;gap:0 28px;
  border-top:1px solid var(--line)
}
.plans-table td.unit{
  color:var(--muted);font-size:16px;font-weight:800;white-space:nowrap
}
.tech-intro .plans-highlight{
  margin:22px 0;
  padding:18px 20px;
  border-radius:16px;
  background:#075C53;
  color:#fff;
  font-size:1.2em;
  font-weight:800;
  line-height:1.6
}
.plans-note{
  margin:22px 0 0;padding:16px 18px;border-radius:16px;
  background:var(--green-pale);color:var(--green-deep);font-size:15px;line-height:1.7
}
.plans-table-wrap{
  overflow:auto;border:1px solid var(--line);border-radius:24px;
  background:#fff;box-shadow:var(--shadow-soft)
}
.plans-table{width:100%;border-collapse:collapse;min-width:640px}
.plans-table th,.plans-table td{
  padding:20px 24px;text-align:left;vertical-align:middle
}
.plans-table thead th{
  background:var(--green-pale);color:var(--green-deep);
  font-size:13px;letter-spacing:.06em;font-weight:800
}
.plans-table tbody tr + tr td{border-top:1px solid var(--line)}
.plans-table tbody tr:hover{background:#f7fbf9}
.plans-table .pack{font-weight:800;color:var(--ink)}
.plans-table .freq{color:var(--muted);font-size:15px}
.plans-table .price{
  font-weight:800;font-size:22px;letter-spacing:-.03em;color:var(--green-dark);white-space:nowrap
}
.plans-fx{
  margin:18px 0 0;
  font-size:11px;
  color:var(--muted);
  line-height:1.55;
  max-width:760px
}
.plans-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin-top:22px;padding:28px;border-radius:24px;background:var(--green-deep);color:#fff
}
.plans-cta-actions{display:flex;flex-wrap:wrap;gap:10px}
.plans-cta-btn,
.plans-cta a{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:0 24px;border-radius:999px;border:0;
  background:#25d366;color:#083b16;font-weight:800;cursor:pointer;font:inherit
}
.plans-cta-btn:hover,
.plans-cta a:hover{filter:brightness(.96)}
.plans-cta-btn.is-wechat{background:#fff;color:var(--green-deep)}
.plans-cta p{margin:8px 0 0;color:rgba(255,255,255,.74);max-width:560px;line-height:1.7}
.plans-cta a.plans-cta-btn{text-decoration:none}
@media(max-width:640px){
  .plans-hero{padding-top:42px}
  .plans-cards,.plans-flow{grid-template-columns:1fr}
  .plans-card,.plans-card:last-child{min-height:0;grid-column:auto}
  .plans-table th,.plans-table td{padding:16px}
  .plans-cta{align-items:flex-start;flex-direction:column}
}
@media(min-width:641px){
  .lang-switch{margin-left:auto}
}
@media(max-width:640px){
  header a.nav-btn{
    margin-left:auto;
    display:inline-flex;
    align-items:center;
    flex-shrink:0;
    font-size:13px;
    line-height:1.2;
    padding:8px 12px;
  }
}
.plans-layout .kicker{font-size:15px}
.plans-layout .section-head h2{font-size:clamp(38px,4.6vw,58px)}
.plans-layout .section-head p{font-size:19px}
.plans-layout .plans-hero h1{font-size:clamp(44px,5.6vw,72px)}
.plans-layout .plans-hero .lead{font-size:21px}
.plans-layout .plans-copy p{font-size:19px}
.plans-layout .plans-card{padding:24px 24px 26px}
.plans-layout .plans-card h3{font-size:20px}
.plans-layout .plans-card p{font-size:16px;line-height:1.75}
.plans-layout .plans-card span{width:36px;height:36px;font-size:14px}
.plans-layout .plans-goal{font-size:16px}
.plans-layout .plans-note{font-size:17px}
.plans-layout .plans-group-note{font-size:18px}
.plans-layout .tech-item h3{font-size:21px}
.plans-layout .tech-item p{font-size:16px}
.plans-layout .plans-table th,.plans-layout .plans-table td{padding:22px 26px}
.plans-layout .plans-table thead th{font-size:15px}
.plans-layout .plans-table .pack{font-size:18px}
.plans-layout .plans-table .freq{font-size:17px}
.plans-layout .plans-table .price{font-size:26px}
.plans-layout .plans-table td.unit{font-size:18px}
.plans-table-title{
  margin:8px 0 14px;
  font-size:24px;
  letter-spacing:-.03em
}
.plans-group-note + .plans-table-title{margin-top:32px}
.admin-wrap{max-width:640px}
.admin-logout{margin-left:auto}
.admin-link-card{margin-top:18px}
.admin-link-row{display:flex;gap:10px;align-items:center}
.admin-link-row .submit{margin-top:0;flex:none}
.platform-gallery{display:grid;gap:14px}
.platform-feature{
  margin:0;border-radius:24px;overflow:hidden;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft)
}
.platform-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top center}
.platform-feature-home img{aspect-ratio:16/11}
.platform-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.platform-thumb{
  padding:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:#fff;cursor:pointer
}
.platform-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top center}
.platform-thumb.is-active,.platform-thumb:focus-visible{border-color:var(--green);box-shadow:0 0 0 3px rgba(8,116,103,.12)}
.platform-strip{
  display:grid;
  grid-template-columns:36px 1fr 36px;
  align-items:center;
  gap:10px 8px;
  margin-top:22px
}
.platform-viewport{
  grid-column:2;grid-row:1;
  overflow:hidden;
  container-type:inline-size
}
.platform-track{
  display:flex;
  gap:12px;
  transition:transform .45s var(--ease)
}
.platform-slide{
  flex:0 0 calc((100cqi - 24px) / 3);
  margin:0;
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow-soft)
}
.platform-slide img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top center}
.platform-nav{
  width:36px;height:36px;border:0;border-radius:50%;
  background:#fff;color:var(--green-deep);
  font:inherit;font-weight:800;cursor:pointer;box-shadow:var(--shadow-soft)
}
.platform-nav[data-prev]{grid-column:1;grid-row:1}
.platform-nav[data-next]{grid-column:3;grid-row:1}
.platform-dots{grid-column:1/-1;grid-row:2;display:flex;justify-content:center;gap:8px}
.platform-dot{
  width:8px;height:8px;padding:0;border:0;border-radius:50%;
  background:#c9d6d2;cursor:pointer
}
.platform-dot.is-active{background:var(--green)}
@media(max-width:900px){
  .platform-slide{flex-basis:calc((100cqi - 12px) / 2)}
}
@media(max-width:640px){
  .platform-thumbs{grid-template-columns:repeat(3,1fr)}
  .admin-link-row{flex-direction:column;align-items:stretch}
  .platform-slide{flex-basis:100cqi}
  .platform-strip{grid-template-columns:28px 1fr 28px}
}
@media print{
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  header{position:static}
  .tech-intro{position:static}
  .reveal{opacity:1!important;transform:none!important}
  .plans-card,.track,.tech-item,.plans-table-wrap,.plans-cta,.plans-photo,.plans-split,.tech-grid,.platform-gallery{break-inside:avoid;page-break-inside:avoid}
}