/* ===================== ChinaSnack Academy (国际站 /en) ===================== */
:root{
  --en-red:#e8550f;
  --en-red-dark:#c8430b;
  --en-ink:#1f2328;
  --en-muted:#6b7280;
  --en-bg:#ffffff;
  --en-alt:#f7f5f2;
  --en-border:#ececec;
  --en-radius:14px;
  --en-shadow:0 6px 24px rgba(20,16,12,.07);
  --en-shadow-lg:0 14px 40px rgba(20,16,12,.12);
  --en-max:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--en-ink);
  background:var(--en-bg);
  line-height:1.6;
  font-size:16px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700}
.en-container{max-width:var(--en-max);margin:0 auto;padding:0 20px}
.en-section{padding:64px 0}
.en-section-alt{background:var(--en-alt)}
.en-section-top{padding-top:32px}

/* ---------- Buttons ---------- */
.en-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;
  border:2px solid transparent;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;}
.en-btn:hover{transform:translateY(-1px)}
.en-btn-primary{background:var(--en-red);color:#fff;box-shadow:0 8px 20px rgba(232,85,15,.28)}
.en-btn-primary:hover{background:var(--en-red-dark)}
.en-btn-outline{border-color:var(--en-red);color:var(--en-red);background:transparent}
.en-btn-outline:hover{background:rgba(232,85,15,.08)}
.en-btn-lg{padding:15px 30px;font-size:16px}

/* ---------- Header ---------- */
.en-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--en-border)}
.en-header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.en-brand{display:flex;align-items:center;gap:10px}
.en-brand-mark{font-size:26px;line-height:1}
.en-brand-logo{height:38px;width:auto;display:block;border:0}
.en-brand-text{display:flex;flex-direction:column;line-height:1.15}
.en-brand-name{font-weight:800;font-size:18px;letter-spacing:.2px}
.en-brand-sub{font-size:11.5px;color:var(--en-muted)}
.en-nav{display:flex;align-items:center;gap:22px}
.en-nav>a:not(.en-nav-cn):not(.en-nav-cta){font-weight:500;color:var(--en-ink);font-size:15px;position:relative;padding:4px 0}
.en-nav>a:not(.en-nav-cn):not(.en-nav-cta):hover{color:var(--en-red)}
.en-lang{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--en-muted)}
.en-lang button{background:none;border:none;cursor:pointer;color:var(--en-muted);font-weight:600;font-size:13px;padding:2px 4px}
.en-lang button.active{color:var(--en-red)}
.en-lang .sep{opacity:.4}
.en-nav-cn{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border:1px solid var(--en-red);border-radius:999px;color:var(--en-red);font-weight:600;font-size:14px;transition:.12s}
.en-nav-cn:hover{background:var(--en-red);color:#fff}
.en-nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.en-nav-toggle span{width:24px;height:2px;background:var(--en-ink);border-radius:2px;transition:.2s}

/* ---------- Hero ---------- */
.en-hero{position:relative;background:
   radial-gradient(1100px 500px at 80% -10%,rgba(232,85,15,.16),transparent 60%),
   linear-gradient(160deg,#fff7f1 0%,#fdeee2 100%);
  padding:80px 0 72px;text-align:center;overflow:hidden}
.en-hero-inner{max-width:880px;margin:0 auto}
.en-hero-badge{display:inline-block;background:#fff;border:1px solid var(--en-border);
  color:var(--en-red);font-weight:600;font-size:13px;padding:6px 14px;border-radius:999px;box-shadow:var(--en-shadow)}
.en-hero-title{font-size:clamp(30px,5vw,52px);margin:18px 0 10px;font-weight:800;letter-spacing:-.5px}
.en-hero-accent{display:block;color:var(--en-red)}
.en-hero-sub{font-size:clamp(15px,2vw,19px);color:#41352c;max-width:680px;margin:0 auto 28px}
.en-hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.en-hero-note{margin-top:18px;color:var(--en-muted);font-size:13.5px}

/* ---------- China-site entry bar ---------- */
.en-cn-bar{background:var(--en-alt);border-bottom:1px solid var(--en-border);padding:12px 0}
.en-cn-bar .en-container{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center}
.en-cn-ico{font-size:20px}
.en-cn-txt{font-size:14.5px;color:var(--en-ink)}
.en-cn-btn{padding:8px 16px;font-size:14px}

/* ---------- Stats ---------- */
.en-stats{background:var(--en-ink);color:#fff}
.en-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:26px 0;text-align:center}
.en-stat b{display:block;font-size:30px;font-weight:800;color:#ffb38a}
.en-stat span{font-size:13.5px;color:#cfc9c3}

/* ---------- Section titles ---------- */
.en-section-title{font-size:clamp(24px,3.4vw,34px);text-align:center;font-weight:800}
.en-section-sub{text-align:center;color:var(--en-muted);max-width:620px;margin:8px auto 36px}
.en-row-between{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.en-link-more{color:var(--en-red);font-weight:600;white-space:nowrap}

/* ---------- Features ---------- */
.en-feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.en-feature{background:#fff;border:1px solid var(--en-border);border-radius:var(--en-radius);padding:26px 22px;box-shadow:var(--en-shadow);transition:transform .15s ease,box-shadow .15s ease}
.en-feature:hover{transform:translateY(-4px);box-shadow:var(--en-shadow-lg)}
.en-feature-ico{font-size:34px;margin-bottom:10px}
.en-feature h3{font-size:18px}
.en-feature p{margin:0;color:var(--en-muted);font-size:14.5px}

/* ---------- Category grid ---------- */
.en-cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.en-cat-card{background:#fff;border:1px solid var(--en-border);border-radius:var(--en-radius);padding:26px 24px;box-shadow:var(--en-shadow);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.en-cat-card:hover{transform:translateY(-4px);box-shadow:var(--en-shadow-lg);border-color:var(--en-red)}
.en-cat-ico{font-size:38px}
.en-cat-card h3{font-size:20px;margin:12px 0 4px}
.en-cat-zh{color:var(--en-muted);font-size:13px;margin:0 0 8px}
.en-cat-desc{color:#4b5563;font-size:14.5px;margin:0 0 14px;min-height:44px}
.en-cat-link{color:var(--en-red);font-weight:600;font-size:14px}

/* ---------- Course grid ---------- */
.en-course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.en-course-card{background:#fff;border:1px solid var(--en-border);border-radius:var(--en-radius);overflow:hidden;box-shadow:var(--en-shadow);transition:transform .15s ease,box-shadow .15s ease}
.en-course-card:hover{transform:translateY(-4px);box-shadow:var(--en-shadow-lg)}
.en-course-cover{aspect-ratio:4/3;background-size:cover;background-position:center;background-color:#eee}
.en-course-body{padding:16px 18px}
.en-course-title{font-size:17px;margin:0 0 10px;line-height:1.35}
.en-course-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--en-muted);flex-wrap:wrap}
.en-price{color:var(--en-red);font-weight:700}
.en-course-link{display:block;color:inherit}
.en-course-foot{padding:0 18px 16px}
.en-course-inquire{width:100%}
.en-center-cta{text-align:center;margin-top:30px}
.en-pager{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;margin-top:34px}
.en-pager a,.en-pager .cur{display:inline-flex;align-items:center;min-width:38px;height:38px;padding:0 12px;border-radius:10px;border:1px solid var(--en-border);background:#fff;color:var(--en-ink);font-size:14px;font-weight:500;transition:.12s}
.en-pager a:hover{border-color:var(--en-red);color:var(--en-red)}
.en-pager .cur{background:var(--en-red);border-color:var(--en-red);color:#fff}
.en-pager .info{margin-left:10px;color:var(--en-muted);font-size:13px}
.en-empty{color:var(--en-muted)}

/* ---------- Category head / titles ---------- */
.en-cat-head{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--en-border);
  border-radius:var(--en-radius);padding:20px 24px;box-shadow:var(--en-shadow);margin-bottom:28px}
.en-cat-head-ico{font-size:42px}
.en-cat-title{font-size:24px;font-weight:800;margin:34px 0 18px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.en-cat-title .en-cat-zh{font-size:15px;color:var(--en-muted);font-weight:500}
.en-empty{color:var(--en-muted)}

/* ---------- Page head ---------- */
.en-page-head{background:linear-gradient(160deg,#fff7f1,#fdeee2);padding:34px 0 26px;border-bottom:1px solid var(--en-border)}
.en-breadcrumb{font-size:13.5px;color:var(--en-muted);margin-bottom:8px}
.en-breadcrumb a:hover{color:var(--en-red)}
.en-page-title{font-size:clamp(26px,4vw,38px);font-weight:800}
.en-page-sub{color:#4b5563;max-width:720px;margin:6px 0 0}

/* ---------- Filter chips ---------- */
.en-filter{display:flex;gap:10px;flex-wrap:wrap;padding:20px 0 4px}
.en-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;border:1px solid var(--en-border);background:#fff;color:var(--en-ink);font-size:14px;font-weight:500;transition:.12s}
.en-chip:hover{border-color:var(--en-red);color:var(--en-red)}
.en-chip.active{background:var(--en-red);color:#fff;border-color:var(--en-red)}

/* ---------- Course detail ---------- */
.en-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.en-detail-cover{aspect-ratio:4/3;background-size:cover;background-position:center;background-color:#eee;border-radius:var(--en-radius);box-shadow:var(--en-shadow)}
.en-detail-cat{display:inline-block;background:rgba(232,85,15,.1);color:var(--en-red);font-weight:600;font-size:13px;padding:5px 12px;border-radius:999px;margin-bottom:10px}
.en-detail-title{font-size:clamp(26px,3.6vw,36px);font-weight:800}
.en-detail-sub{color:var(--en-muted);margin:0 0 18px}
.en-detail-facts{display:flex;flex-direction:column;gap:12px;background:var(--en-alt);border:1px solid var(--en-border);border-radius:var(--en-radius);padding:20px;margin:18px 0}
.en-fact{display:flex;flex-direction:column}
.en-fact-label{font-size:12.5px;color:var(--en-muted);text-transform:uppercase;letter-spacing:.4px}
.en-fact-value{font-size:20px;font-weight:700}
.en-fact-note{font-size:12.5px;color:var(--en-muted)}
.en-detail-actions{margin:8px 0 12px}
.en-detail-tip{color:var(--en-muted);font-size:13.5px;margin:0}

/* ---------- Course detail gallery (multi-image, 4-up) ---------- */
.en-gallery-main{aspect-ratio:4/3;background-size:cover;background-position:center;background-color:#eee;border-radius:var(--en-radius);box-shadow:var(--en-shadow)}
.en-gallery-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}
.en-gallery-thumb{aspect-ratio:1;border-radius:10px;background-size:cover;background-position:center;background-color:#eee;border:2px solid transparent;cursor:pointer;padding:0;transition:.12s}
.en-gallery-thumb:hover{border-color:rgba(232,85,15,.5)}
.en-gallery-thumb.active{border-color:var(--en-red)}

/* ---------- Learn list / prose ---------- */
.en-learn-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px 28px}
.en-learn-list li{position:relative;padding-left:26px;color:#374151;font-size:15px}
.en-learn-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--en-red);font-weight:800}
.en-prose{max-width:760px}
.en-prose p{color:#374151;font-size:16px}
.en-zh-note{font-size:13px;color:var(--en-muted);margin-top:22px}
.en-zh-text{background:var(--en-alt);border-left:3px solid var(--en-red);padding:14px 16px;border-radius:8px;color:#374151}

/* ---------- Steps ---------- */
.en-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.en-step{background:#fff;border:1px solid var(--en-border);border-radius:var(--en-radius);padding:24px 18px;box-shadow:var(--en-shadow);position:relative}
.en-step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--en-red);color:#fff;font-weight:800;margin-bottom:12px}
.en-step h3{font-size:17px}
.en-step p{margin:0;color:var(--en-muted);font-size:14px}

/* ---------- CTA band ---------- */
.en-cta{background:linear-gradient(135deg,var(--en-red),var(--en-red-dark));color:#fff;padding:56px 0;text-align:center}
.en-cta h2{font-size:clamp(22px,3vw,30px)}
.en-cta p{opacity:.92;margin:6px 0 22px}
.en-cta .en-btn-primary{background:#fff;color:var(--en-red)}
.en-cta .en-btn-primary:hover{background:#fff3ec}

/* ---------- Contact ---------- */
.en-contact{display:grid;grid-template-columns:320px 1fr;gap:36px;align-items:start}
.en-contact-aside{background:var(--en-alt);border:1px solid var(--en-border);border-radius:var(--en-radius);padding:24px}
.en-contact-aside h3{font-size:18px}
.en-contact-email{margin-top:16px;font-size:14px;color:var(--en-muted)}
.en-contact-email a{color:var(--en-red);font-weight:600}
.en-form{background:#fff;border:1px solid var(--en-border);border-radius:var(--en-radius);padding:28px;box-shadow:var(--en-shadow)}
.en-field{margin-bottom:18px}
.en-field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.en-field .req{color:var(--en-red)}
.en-field input,.en-field select,.en-field textarea{width:100%;padding:12px 14px;border:1px solid var(--en-border);border-radius:10px;font-size:15px;font-family:inherit;background:#fff;color:var(--en-ink);transition:border-color .12s,box-shadow .12s}
.en-field input:focus,.en-field select:focus,.en-field textarea:focus{outline:none;border-color:var(--en-red);box-shadow:0 0 0 3px rgba(232,85,15,.15)}
.en-field textarea{resize:vertical}
.en-err{display:block;color:var(--en-red-dark);font-size:13px;min-height:16px;margin-top:4px}
.en-alert{background:#fdecea;color:#b42318;border:1px solid #f6c9c2;padding:12px 14px;border-radius:10px;margin-bottom:16px;font-size:14px}
.en-form-note{color:var(--en-muted);font-size:12.5px;margin:10px 0 0;text-align:center}

/* ---------- Success ---------- */
.en-success{text-align:center;max-width:640px;margin:0 auto;padding:40px 0}
.en-success-ico{font-size:56px;margin-bottom:10px}
.en-success-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:24px}

/* ---------- Modal ---------- */
.en-modal-mask{position:fixed;inset:0;background:rgba(20,16,12,.55);display:none;align-items:center;justify-content:center;z-index:2000;padding:20px}
.en-modal{background:#fff;border-radius:18px;max-width:460px;width:100%;padding:28px 26px;position:relative;box-shadow:0 24px 60px rgba(0,0,0,.3);max-height:90vh;overflow:auto}
.en-modal-close{position:absolute;top:10px;right:14px;background:none;border:none;font-size:26px;line-height:1;color:#9aa0a6;cursor:pointer}
.en-modal-close:hover{color:var(--en-ink)}
.en-modal-title{font-size:22px;margin:0 0 4px}
.en-modal-course{color:var(--en-red);font-size:14px;margin:0 0 16px;font-weight:600;display:none}
.en-modal-success{text-align:center;padding:18px 0}

/* ---------- Footer ---------- */
.en-footer{background:var(--en-ink);color:#cfc9c3;padding:54px 0 0}
.en-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:30px}
.en-footer .en-brand{background:#fff;border-radius:10px;padding:8px 12px;display:inline-flex;width:fit-content}
.en-footer .en-brand-logo{height:46px;width:auto}
.en-footer .en-brand-name{color:var(--en-ink)}
.en-footer .en-brand-sub{color:var(--en-muted)}
.en-footer .en-brand-sub{color:#a89f96}
.en-footer-blurb{font-size:14px;margin-top:14px;max-width:320px}
.en-footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.en-footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.en-footer-col a{color:#cfc9c3;font-size:14px}
.en-footer-col a:hover{color:#fff}
.en-footer-line{font-size:14px;margin:6px 0}
.en-footer-line a{color:#ffb38a;font-weight:600}
.en-footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding:18px 0;font-size:13px;color:#9b938b}
.en-footer-bottom .en-container{text-align:center}

/* ===================== Responsive ===================== */
@media (max-width:1000px){
  .en-feature-grid{grid-template-columns:repeat(2,1fr)}
  .en-cat-grid{grid-template-columns:repeat(2,1fr)}
  .en-course-grid{grid-template-columns:repeat(2,1fr)}
  .en-steps{grid-template-columns:repeat(2,1fr)}
  .en-footer-grid{grid-template-columns:1fr 1fr}
  .en-detail{grid-template-columns:1fr;gap:24px}
  .en-contact{grid-template-columns:1fr;gap:22px}
}
@media (max-width:860px){
  .en-nav-toggle{display:flex}
  .en-nav{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--en-border);padding:8px 20px 16px;
    max-height:0;overflow:hidden;transition:max-height .25s ease;box-shadow:var(--en-shadow)}
  .en-nav.open{max-height:520px}
  .en-nav>a:not(.en-nav-cn):not(.en-nav-cta){padding:12px 0;border-bottom:1px solid var(--en-border)}
  .en-lang{padding:12px 0;justify-content:center}
  .en-nav-cta{margin:12px 0 4px;justify-content:center}
  .en-hero{padding:56px 0 48px}
  .en-stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .en-learn-list{grid-template-columns:1fr}
}
@media (max-width:560px){
  .en-section{padding:44px 0}
  .en-feature-grid,.en-cat-grid,.en-course-grid,.en-steps,.en-footer-grid{grid-template-columns:1fr}
  .en-stats-grid{grid-template-columns:repeat(2,1fr)}
  .en-hero-actions .en-btn{width:100%}
  .en-cat-head{flex-direction:column;text-align:center}
  .en-detail-facts{flex-direction:column}
  .en-brand-sub{display:none}
}