:root{--ink:#243126;--muted:#6b756d;--paper:#fbf7ee;--white:#fff;--line:#eadfc9;--green:#4f8f5b;--gold:#d9a441;--soft:#fffaf0}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:var(--paper)}a{color:inherit;text-decoration:none}
.site-header{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px clamp(18px,5vw,64px);color:#fff;transition:180ms ease}.site-header.is-scrolled{color:var(--ink);background:rgba(255,250,240,.94);box-shadow:0 12px 30px rgba(74,63,42,.12);backdrop-filter:blur(14px)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:38px;height:38px;color:#fff;background:var(--green);border-radius:12px;font-size:13px;transform:rotate(-4deg)}.brand-mark+span{transform:rotate(-1deg)}.nav-links{display:flex;gap:26px;font-size:14px;font-weight:700}.header-action,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:8px;border:0;font-weight:800;cursor:pointer}.header-action,.button.primary{color:#fff;background:var(--green)}.button.secondary{color:#fff;border:1px solid rgba(255,255,255,.55)}
.hero{position:relative;min-height:88vh;display:flex;align-items:flex-end;overflow:hidden;color:#fff;background:#273527}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(29,39,30,.95),rgba(29,39,30,.25) 55%,rgba(29,39,30,.1))}.hero-content{position:relative;width:min(980px,calc(100% - 36px));margin:0 auto;padding:130px 0 78px;text-align:center}.eyebrow,.section-label{margin:0 0 14px;color:var(--gold);font-size:13px;font-weight:900;letter-spacing:.06em}
h1,h2,h3,p{margin-top:0}h1{margin-bottom:22px;font-size:clamp(42px,7vw,82px);line-height:1.02;letter-spacing:0}h2{margin-bottom:18px;font-size:clamp(28px,4vw,48px);line-height:1.1;letter-spacing:0}h3{margin-bottom:12px;font-size:21px}p{color:var(--muted);line-height:1.78}.hero-copy{max-width:720px;margin-left:auto;margin-right:auto;color:rgba(255,255,255,.86);font-size:20px}.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:34px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--green);color:#fff}.metrics div{padding:34px clamp(18px,5vw,64px);border-right:1px solid rgba(255,255,255,.22)}.metrics strong{display:block;margin-bottom:8px;font-size:30px;color:#fff}.metrics span{color:rgba(255,255,255,.82);font-size:14px}
.section,.platform,.contact{padding:clamp(72px,9vw,116px) clamp(18px,6vw,76px)}.intro{display:grid;grid-template-columns:220px 1fr;gap:38px;background:var(--soft)}.intro p,.platform-copy p,.contact p{max-width:780px;font-size:18px}.section-heading{max-width:760px;margin:0 auto 36px;text-align:center}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.service-card{min-height:250px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 26px rgba(93,75,37,.06)}.service-card:nth-child(even){transform:translateY(24px)}.icon{display:inline-flex;margin-bottom:34px;color:var(--green);font-weight:900}
.platform{display:grid;grid-template-columns:1fr 1fr;gap:48px;background:#fff}.timeline{display:grid;gap:14px}.timeline div{padding:26px;background:var(--soft);border:1px solid var(--line);border-radius:8px}.timeline span{display:block;margin-bottom:8px;color:var(--green);font-weight:900}
.work-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.work-list article{min-height:230px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:8px}.work-list article:nth-child(2){background:#eef7ec}.contact{display:grid;grid-template-columns:minmax(0,.92fr) minmax(320px,.78fr);gap:48px;background:var(--soft)}.contact-info{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}.contact-info p{margin-bottom:10px;font-size:16px}.contact-info strong{color:var(--ink)}
.contact-form{display:grid;gap:16px;padding:30px;background:#fff;border:1px solid var(--line);border-radius:8px}label{display:grid;gap:8px;font-size:14px;font-weight:800}input,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:14px 15px;font:inherit;background:var(--soft)}textarea{resize:vertical}.form-note{min-height:24px;margin:0;color:var(--green);font-size:14px;font-weight:800}
.site-footer{padding:28px clamp(18px,6vw,76px);color:rgba(255,255,255,.72);background:#243126}.footer-links,.footer-bottom{display:flex;align-items:center;flex-wrap:wrap;gap:16px}.footer-links{margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}.footer-links span{color:#fff;font-weight:800}.footer-bottom{justify-content:space-between}
@media(max-width:900px){.nav-links{display:none}.metrics,.service-grid,.intro,.platform,.work-list,.contact{grid-template-columns:1fr}.service-card:nth-child(even){transform:none}.hero{min-height:84vh}.service-card,.work-list article{min-height:auto}}@media(max-width:560px){.site-header{padding:14px 16px}.brand span:last-child{max-width:126px;white-space:normal;line-height:1.05}.header-action{padding:0 12px;font-size:13px}.hero-content{width:calc(100% - 32px);padding-bottom:54px}.hero-copy{font-size:17px}.section,.platform,.contact,.metrics div{padding-left:16px;padding-right:16px}.footer-bottom{flex-direction:column;align-items:flex-start}}

.course-map {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, 1.08fr);
  gap: 44px;
  padding: clamp(56px, 7vw, 86px) clamp(18px, 6vw, 76px);
  background: #fff;
}
.course-map > div {
  align-self: center;
}
.course-map span {
  color: var(--green);
  font-weight: 900;
}
.course-map ol {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: lesson;
}
.course-map li {
  counter-increment: lesson;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  align-items: center;
  padding: 22px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.course-map li:before {
  content: counter(lesson, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  color: #fff;
  background: var(--green);
  border-radius: 50%;
  font-weight: 900;
}
.course-map strong,
.course-map li span {
  display: block;
}
.course-map li span {
  color: var(--muted);
  font-weight: 400;
}
@media(max-width:900px){.course-map{grid-template-columns:1fr}.course-map li{grid-template-columns:1fr}}