:root{--ink:#0e1726;--muted:#607086;--paper:#eef5f8;--white:#fff;--line:#cbdce5;--cyan:#14c6d4;--lime:#9de04f;--blue:#123b7a}
*{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:18px clamp(18px,5vw,64px);color:#fff;background:linear-gradient(180deg,rgba(7,17,31,.68),transparent);transition:180ms ease}.site-header.is-scrolled{color:var(--ink);background:rgba(238,245,248,.94);box-shadow:0 12px 30px rgba(14,23,38,.14);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:42px;height:38px;color:#07111f;background:var(--cyan);clip-path:polygon(12% 0,100% 0,88% 100%,0 100%);font-size:13px}.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:999px;border:0;font-weight:800;cursor:pointer}.header-action,.button.primary{color:#07111f;background:var(--cyan)}.button.secondary{color:#fff;border:1px solid rgba(255,255,255,.5)}
.hero{position:relative;min-height:92vh;display:grid;align-items:center;overflow:hidden;color:#fff;background:#07111f}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;inset:0;background:radial-gradient(circle at 72% 42%,rgba(20,198,212,.18),transparent 28%),linear-gradient(100deg,rgba(7,17,31,.96),rgba(7,17,31,.7) 46%,rgba(7,17,31,.1))}.hero-content{position:relative;width:min(740px,calc(100% - 36px));margin-left:clamp(18px,7vw,92px);padding-top:78px}.eyebrow,.section-label{margin:0 0 14px;color:var(--cyan);font-size:13px;font-weight:900;letter-spacing:.08em}
h1,h2,h3,p{margin-top:0}h1{margin-bottom:22px;font-size:clamp(42px,7vw,88px);line-height:.98;letter-spacing:0}h2{margin-bottom:18px;font-size:clamp(28px,4vw,50px);line-height:1.08;letter-spacing:0}h3{margin-bottom:12px;font-size:21px}p{color:var(--muted);line-height:1.76}.hero-copy{max-width:650px;color:rgba(255,255,255,.84);font-size:20px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);background:#07111f;color:#fff}.metrics div{padding:34px clamp(18px,5vw,64px);border-right:1px solid rgba(255,255,255,.12)}.metrics strong{display:block;margin-bottom:8px;color:var(--lime);font-size:28px}.metrics span{color:rgba(255,255,255,.75);font-size:14px}
.section,.platform,.contact{padding:clamp(72px,9vw,116px) clamp(18px,6vw,76px)}.intro{display:grid;grid-template-columns:240px 1fr;gap:42px;background:#fff}.intro p,.platform-copy p,.contact p{max-width:780px;font-size:18px}.section-heading{max-width:760px;margin-bottom:34px}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.service-card{min-height:250px;padding:28px;color:#fff;background:linear-gradient(145deg,#10223d,#144b7e);border:1px solid rgba(20,198,212,.28);border-radius:8px}.service-card p{color:rgba(255,255,255,.72)}.icon{display:inline-flex;margin-bottom:34px;color:var(--lime);font-weight:900}
.platform{display:grid;grid-template-columns:.88fr 1.12fr;gap:48px;background:#dfeff4}.timeline{display:grid;gap:14px}.timeline div{padding:26px;background:#fff;border-top:4px solid var(--cyan);border-radius:8px}.timeline span{display:block;margin-bottom:8px;color:var(--blue);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;box-shadow:0 12px 28px rgba(14,23,38,.06)}.contact{display:grid;grid-template-columns:minmax(0,.95fr) minmax(320px,.75fr);gap:48px;color:#fff;background:#07111f}.contact p{color:rgba(255,255,255,.74)}.contact-info{margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16)}.contact-info p{margin-bottom:10px;font-size:16px}.contact-info strong{color:#fff}
.contact-form{display:grid;gap:16px;padding:28px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:8px}label{display:grid;gap:8px;color:#fff;font-size:14px;font-weight:800}input,textarea{width:100%;border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:14px 15px;font:inherit;color:#fff;background:rgba(255,255,255,.08)}input::placeholder,textarea::placeholder{color:rgba(255,255,255,.58)}textarea{resize:vertical}.form-note{min-height:24px;margin:0;color:var(--cyan);font-size:14px;font-weight:800}
.site-footer{padding:28px clamp(18px,6vw,76px);color:rgba(255,255,255,.72);background:#020812}.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}.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);margin-left:16px}.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}}

.energy-matrix {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  gap: 1px;
  padding: clamp(54px, 7vw, 86px) clamp(18px, 6vw, 76px);
  background: #07111f;
}
.matrix-title {
  padding: 34px;
  color: #fff;
  background: #0d203a;
  border: 1px solid rgba(20,198,212,.22);
}
.matrix-title span {
  color: var(--cyan);
  font-weight: 900;
}
.matrix-title h2 {
  margin-bottom: 0;
}
.matrix-cells {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
}
.matrix-cells article {
  min-height: 170px;
  padding: 26px;
  color: #fff;
  background: linear-gradient(145deg, #10223d, #07111f);
  border: 1px solid rgba(20,198,212,.18);
}
.matrix-cells strong {
  display: block;
  margin-bottom: 10px;
  color: var(--lime);
  font-size: 24px;
}
.matrix-cells span {
  color: rgba(255,255,255,.72);
}
@media(max-width:900px){.energy-matrix,.matrix-cells{grid-template-columns:1fr}}