:root{
  --brand:#984800;
  --brand-soft:#b9601f;
  --brand-bright:#c9742e;
  --brand-tint:#faf3ea;
  --brand-tint2:#f3e7d8;
  --text:#1f1d1a;
  --muted:#6b6660;
  --bg:#ffffff;
  --bg-soft:#fbf8f3;
  --line:#ece6dd;
  --maxw:920px;
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:18px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ---------- 双语切换 ---------- */
.en{display:none}
body.lang-en .zh{display:none}
body.lang-en .en{display:inline}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;
  top:0;
  z-index:10;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px clamp(20px,5vw,48px);
  background:rgba(255,255,255,0.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--brand);
  font-weight:700;
  font-size:20px;
  text-decoration:none;
  letter-spacing:0.02em;
}
.brand .mark{color:var(--brand);flex:none}
.lang-btn{
  border:1px solid var(--line);
  background:var(--bg-soft);
  color:var(--brand);
  font-size:15px;
  font-weight:600;
  padding:7px 14px;
  border-radius:999px;
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.lang-btn:hover{background:var(--brand-tint);border-color:var(--brand-soft)}
.lang-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 主体 ---------- */
main{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px)}

/* ---------- Hero ---------- */
.hero{
  min-height:calc(100dvh - 140px);
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  align-items:center;
  gap:40px;
  padding:64px 0;
}
.eyebrow{
  color:var(--muted);
  font-size:15px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  margin-bottom:22px;
}
.slogan{
  font-size:clamp(34px,6.4vw,60px);
  line-height:1.2;
  font-weight:800;
  color:var(--text);
  letter-spacing:-0.01em;
}
.lead{
  margin-top:26px;
  max-width:560px;
  font-size:19px;
  color:var(--muted);
}
.hero-art{
  width:100%;
  max-width:420px;
  margin-left:auto;
  display:flex;
  align-items:center;
  justify-content:center;
}

/* ---------- 价值观色带（满宽） ---------- */
.strip{
  width:100vw;
  margin-left:calc(50% - 50vw);
  background:var(--brand-tint);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:48px clamp(20px,5vw,48px);
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
}
.strip-item{max-width:300px}
.strip-no{
  display:inline-block;
  font-size:14px;
  font-weight:700;
  letter-spacing:0.1em;
  color:var(--brand);
  background:#fff;
  border:1px solid var(--brand-tint2);
  border-radius:999px;
  padding:2px 12px;
  margin-bottom:14px;
}
.strip-item h3{
  font-size:22px;
  font-weight:700;
  color:var(--brand);
  margin-bottom:8px;
}
.strip-item p{font-size:16px;color:var(--muted)}

/* ---------- 内容板块 ---------- */
.block{
  padding:56px 0;
  border-top:1px solid var(--line);
}
.block h2{
  position:relative;
  padding-left:18px;
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  margin-bottom:18px;
}
.block h2::before{
  content:"";
  position:absolute;
  left:0;top:0.18em;bottom:0.18em;
  width:5px;
  background:var(--brand);
  border-radius:3px;
}
.block p{
  font-size:18px;
  color:var(--text);
  max-width:680px;
}

/* ---------- 方向卡片 ---------- */
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:8px;
}
.card{
  border:1px solid var(--line);
  border-radius:14px;
  padding:26px 22px;
  background:var(--bg-soft);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:0 10px 28px rgba(152,72,0,0.10);
  border-color:var(--brand-tint2);
}
.card-ico{color:var(--brand);margin-bottom:14px}
.card h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:8px}
.card p{font-size:15px;color:var(--muted);max-width:none}

/* ---------- 联系 ---------- */
.contact-line{margin:10px 0}
.contact-line a{
  color:var(--brand);
  text-decoration:none;
  border-bottom:1px solid var(--brand-soft);
  padding-bottom:1px;
}
.contact-line a:hover{color:var(--brand-soft)}

/* ---------- 页脚（实心橙块） ---------- */
.foot{
  width:100%;
  background:var(--brand);
  color:#fff;
  margin-top:24px;
}
.foot-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:40px clamp(20px,5vw,48px) 48px;
  font-size:14px;
}
.foot-brand{font-size:22px;font-weight:800;letter-spacing:0.04em;margin-bottom:10px}
.foot .beian{margin-top:6px;opacity:0.82}
.foot .beian a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,0.45);transition:border-color .2s}
.foot .beian a:hover{border-bottom-color:#fff}
.foot .gongan a{display:inline-flex;align-items:center;gap:6px;border-bottom:0}
.foot .gongan a:hover{border-bottom:0;opacity:0.92}
.foot .gongan-ico{width:16px;height:16px;flex:none}

/* ---------- 响应式 ---------- */
@media (max-width:800px){
  .hero{grid-template-columns:1fr;gap:24px;min-height:auto;padding:48px 0}
  .hero-art{max-width:280px;margin:8px 0 0}
  .strip{grid-template-columns:1fr;gap:22px;padding:36px clamp(20px,5vw,48px)}
  .strip-item{max-width:none}
  .cards{grid-template-columns:1fr}
}
@media (max-width:600px){
  body{font-size:17px}
  .block{padding:44px 0}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .card{transition:none}
}