.design-style-naturechain-bridging-nature-and-blockchain_c4v{
  --bg: oklch(0.985 0.013 78);
  --surface: oklch(0.962 0.02 78);
  --primary: oklch(0.54 0.1 151);
  --secondary: oklch(0.62 0.1 211);
  --accent: oklch(0.66 0.12 331);
  --accent-2: oklch(0.78 0.08 331);
  --text: oklch(0.28 0.022 78);
  --muted: oklch(0.47 0.02 78);
  --line: oklch(0.88 0.018 78);
  --wash: oklch(0.94 0.03 140);
  --container:1120px;--container-lg:1360px;--container-xl:1600px;
  --gutter:clamp(14px,2vw,28px);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:28px;--sp-7:40px;--sp-8:56px;
  --r-sm:10px;--r-md:16px;--r-lg:22px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(120,90,60,.06),0 1px 3px rgba(120,90,60,.08);
  --sh-2:0 6px 14px -3px rgba(120,90,60,.12),0 2px 6px -2px rgba(120,90,60,.08);
  --sh-3:0 20px 42px -12px rgba(120,90,60,.18),0 8px 16px -8px rgba(120,90,60,.11);
  --fs-xs:clamp(.72rem,.7rem + .1vw,.78rem);
  --fs-sm:clamp(.82rem,.8rem + .15vw,.9rem);
  --fs-md:clamp(.95rem,.9rem + .25vw,1.05rem);
  --fs-lg:clamp(1.12rem,1.04rem + .45vw,1.36rem);
  --fs-xl:clamp(1.42rem,1.26rem + .9vw,1.9rem);
  --fs-2xl:clamp(1.78rem,1.44rem + 1.8vw,2.72rem);
  --fs-3xl:clamp(2.2rem,1.7rem + 2.7vw,3.34rem);
  --lh-tight:1.12;--lh-snug:1.32;--lh-body:1.6;
  --ease:cubic-bezier(.4,0,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --t-fast:.15s;--t-base:.25s;--t-slow:.45s;
  font-family:"Noto Serif SC","Songti SC",Georgia,serif;
  background:var(--bg);
  color:var(--text);
  font-size:var(--fs-md);
  line-height:var(--lh-body);
  overflow-wrap:break-word;
  word-break:break-word;
  position:relative;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v *,
.design-style-naturechain-bridging-nature-and-blockchain_c4v *::before,
.design-style-naturechain-bridging-nature-and-blockchain_c4v *::after{box-sizing:border-box;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v img,
.design-style-naturechain-bridging-nature-and-blockchain_c4v svg{max-width:100%;height:auto;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v img{display:block;}

/* ---- 顶部提示条 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-topbar{
  display:flex;align-items:center;gap:var(--sp-3);
  padding:var(--sp-2) var(--gutter);
  background:var(--text);
  color:oklch(0.96 0.02 78);
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
  font-size:var(--fs-xs);
  letter-spacing:.06em;
  position:relative;z-index:20;
  overflow-wrap:break-word;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-topbar .nc-dot{
  width:8px;height:8px;border-radius:var(--r-pill);
  background:var(--accent-2);flex:none;
  box-shadow:0 0 0 4px oklch(0.78 0.08 331 / .22);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-topbar strong{color:var(--accent-2);font-weight:600;}

/* ---- 容器 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-wrap{
  width:100%;max-width:var(--container);
  margin-inline:auto;padding-inline:var(--gutter);
}

/* ---- 导航 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-nav{
  position:sticky;top:0;z-index:15;
  background:oklch(0.985 0.013 78 / .88);
  -webkit-backdrop-filter:blur(10px) saturate(1.2);
  backdrop-filter:blur(10px) saturate(1.2);
  border-bottom:1px solid var(--line);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-nav-in{
  display:flex;align-items:center;gap:var(--sp-4);
  padding-block:var(--sp-2);flex-wrap:wrap;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-brand{
  display:flex;align-items:center;gap:var(--sp-2);
  font-weight:700;font-size:var(--fs-lg);
  letter-spacing:-.01em;min-width:0;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-brand svg{flex:none;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-brand span{color:var(--primary);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-links{
  display:flex;gap:var(--sp-1);margin-left:auto;flex-wrap:wrap;
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
  font-size:var(--fs-sm);min-width:0;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-links a{
  color:var(--muted);text-decoration:none;
  padding:var(--sp-1) var(--sp-3);border-radius:var(--r-pill);
  transition:color var(--t-base) var(--ease),background var(--t-base) var(--ease);
  min-height:34px;display:inline-flex;align-items:center;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-links a:hover{
  color:var(--text);background:var(--surface);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-links a:focus-visible,
.design-style-naturechain-bridging-nature-and-blockchain_c4v a:focus-visible,
.design-style-naturechain-bridging-nature-and-blockchain_c4v summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--r-sm);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-sm{
  margin-left:var(--sp-2);
  background:var(--primary);color:oklch(0.98 0.01 140);
  padding:var(--sp-1) var(--sp-5);border-radius:var(--r-pill);
  font-weight:600;text-decoration:none;white-space:nowrap;
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease-out),background var(--t-base) var(--ease);
  min-height:38px;display:inline-flex;align-items:center;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-sm:hover{
  transform:translateY(-2px);box-shadow:var(--sh-2);
}

/* ---- Hero 极简单列递进 + 点阵星尘 + 径向光 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-hero{
  position:relative;overflow:hidden;
  padding-block:var(--sp-7) var(--sp-7);
  background:
    radial-gradient(60% 55% at 12% 18%, oklch(0.94 0.05 140 / .5), transparent 70%),
    radial-gradient(45% 45% at 88% 8%, oklch(0.78 0.08 331 / .24), transparent 72%),
    radial-gradient(50% 50% at 70% 95%, oklch(0.62 0.1 211 / .14), transparent 70%),
    var(--bg);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(oklch(0.54 0.1 151 / .2) 1.4px, transparent 1.6px);
  background-size:26px 26px;
  mask-image:radial-gradient(70% 65% at 50% 30%, #000 25%, transparent 78%);
  -webkit-mask-image:radial-gradient(70% 65% at 50% 30%, #000 25%, transparent 78%);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-hero-grid{
  position:relative;display:grid;grid-template-columns:minmax(0,1fr);
  gap:var(--sp-5);justify-items:center;text-align:center;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-badge{
  display:inline-flex;align-items:center;gap:var(--sp-2);
  background:var(--surface);border:1px solid var(--line);
  padding:var(--sp-1) var(--sp-4) var(--sp-1) var(--sp-1);
  border-radius:var(--r-pill);
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
  font-size:var(--fs-xs);color:var(--muted);letter-spacing:.04em;
  box-shadow:var(--sh-1);max-width:100%;flex-wrap:wrap;justify-content:center;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-badge b{
  color:var(--accent);font-weight:700;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-badge i{
  width:18px;height:18px;border-radius:var(--r-pill);
  background:var(--wash);display:inline-grid;place-items:center;
  font-style:normal;font-size:10px;flex:none;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-h1{
  font-size:var(--fs-3xl);line-height:var(--lh-tight);
  margin:0;max-width:22ch;letter-spacing:-.02em;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-h1 em{
  font-style:italic;color:var(--primary);position:relative;
  white-space:nowrap;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.34em;
  background:oklch(0.78 0.08 331 / .3);border-radius:var(--r-pill);z-index:-1;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-lead{
  max-width:56ch;margin:0;color:var(--muted);font-size:var(--fs-md);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-hero-actions{
  display:flex;gap:var(--sp-3);flex-wrap:wrap;justify-content:center;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-btn{
  display:inline-flex;align-items:center;gap:var(--sp-2);
  padding:var(--sp-3) var(--sp-5);border-radius:var(--r-pill);
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
  font-size:var(--fs-sm);font-weight:600;text-decoration:none;
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease-out),background var(--t-base) var(--ease);
  min-height:44px;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-btn-p{
  background:var(--primary);color:oklch(0.98 0.01 140);box-shadow:var(--sh-2);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-btn-p:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-btn-g{
  background:var(--surface);color:var(--text);border:1px solid var(--line);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-btn-g:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:var(--bg);}

/* Hero 视觉：倾斜错位图像组 */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-hero-visual{
  position:relative;width:100%;max-width:620px;margin-top:var(--sp-1);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot{
  border-radius:var(--r-lg);overflow:hidden;background:var(--surface);
  box-shadow:var(--sh-3);border:1px solid oklch(0.9 0.02 78 / .8);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot img{
  display:block;width:100%;height:100%;object-fit:cover;
  max-width:100%;border-radius:inherit;
  transition:transform var(--t-slow) var(--ease-out);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot:hover img{transform:scale(1.04);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-main{aspect-ratio:16/10;position:relative;z-index:2;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-a{
  position:absolute;width:42%;aspect-ratio:4/3;left:-5%;bottom:-12%;
  transform:rotate(-6deg);z-index:3;
  animation:ncFloat 7s var(--ease) infinite;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-b{
  position:absolute;width:34%;aspect-ratio:1/1;right:-3%;top:-10%;
  transform:rotate(5deg);z-index:4;
  animation:ncFloat 8.5s var(--ease) infinite reverse;
}
@keyframes ncFloat{
  0%,100%{transform:translateY(0) rotate(var(--rot,-6deg));}
  50%{transform:translateY(-10px) rotate(var(--rot,-6deg));}
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-a{--rot:-6deg;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-b{--rot:5deg;}

/* ---- 通用区块 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-sec{padding-block:var(--sp-7);position:relative;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-sec-alt{background:var(--surface);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-sec-head{max-width:64ch;margin-bottom:var(--sp-5);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-kicker{
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
  font-size:var(--fs-xs);letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);font-weight:700;display:flex;align-items:center;gap:var(--sp-2);
  margin:0 0 var(--sp-3);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-kicker::before{
  content:"";width:26px;height:2px;background:var(--accent);border-radius:var(--r-pill);flex:none;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-h2{
  font-size:var(--fs-2xl);line-height:var(--lh-snug);margin:0 0 var(--sp-3);
  letter-spacing:-.015em;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-sub{color:var(--muted);margin:0;}

/* ---- 图文混排特写 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-feature{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:var(--sp-5);align-items:center;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-feature-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-2);aspect-ratio:5/4;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-feature-media img{
  width:100%;height:100%;object-fit:cover;display:block;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg, oklch(0.94 0.05 140 / .2), transparent 55%);
  pointer-events:none;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tag-strip{
  position:absolute;left:var(--sp-3);bottom:var(--sp-3);right:var(--sp-3);
  display:flex;gap:var(--sp-2);flex-wrap:wrap;z-index:2;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tag{
  background:oklch(0.985 0.013 78 / .9);
-webkit-backdrop-filter:blur(6px);
backdrop-filter:blur(6px);
  border-radius:var(--r-pill);padding:var(--sp-1) var(--sp-3);
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
  font-size:var(--fs-xs);color:var(--text);border:1px solid var(--line);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-list{
  list-style:none;margin:var(--sp-4) 0 0;padding:0;display:grid;gap:var(--sp-3);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-list li{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--sp-3);
  align-items:start;font-size:var(--fs-sm);color:var(--muted);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-list b{color:var(--text);font-weight:600;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-num{
  width:24px;height:24px;border-radius:var(--r-pill);flex:none;
  display:grid;place-items:center;font-size:var(--fs-xs);font-weight:700;
  background:var(--wash);color:var(--primary);
  font-family:system-ui,-apple-system,sans-serif;
}

/* ---- 关键数据条（纯 CSS 数字滚动计数） ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:var(--sp-4);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:var(--sp-5);box-shadow:var(--sh-1);position:relative;overflow:hidden;
  min-width:0;
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease-out);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat:hover{
  transform:translateY(-3px);box-shadow:var(--sh-2);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat::before{
  content:"";position:absolute;right:-24px;top:-24px;width:70px;height:70px;
  border-radius:var(--r-pill);background:oklch(0.78 0.08 331 / .15);
  pointer-events:none;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat-num{
  font-size:var(--fs-xl);font-weight:700;color:var(--primary);
  line-height:1.08;font-variant-numeric:tabular-nums;letter-spacing:-.01em;
  margin:0;
  animation:ncCount .9s var(--ease-out) both;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat-num small{
  font-size:var(--fs-xs);font-weight:600;color:var(--muted);letter-spacing:0;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat:nth-child(2) .nc-stat-num{animation-delay:.1s;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat:nth-child(3) .nc-stat-num{animation-delay:.2s;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat:nth-child(4) .nc-stat-num{animation-delay:.3s;}
@keyframes ncCount{
  from{opacity:.3;transform:translateY(8px) scale(.96);}
  to{opacity:1;transform:none;}
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat p{
  margin:var(--sp-2) 0 0;font-size:var(--fs-xs);color:var(--muted);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stat em{
  font-style:normal;color:var(--accent);font-weight:600;
}

/* ---- 应用场景展示 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scenes{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-4);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scene{
  border-radius:var(--r-lg);overflow:hidden;background:var(--bg);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  display:flex;flex-direction:column;min-width:0;
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease-out);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scene:hover{
  transform:translateY(-4px);box-shadow:var(--sh-3);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scene-img{
  aspect-ratio:16/10;overflow:hidden;background:var(--surface);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scene-img img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform var(--t-slow) var(--ease-out);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scene:hover .nc-scene-img img{transform:scale(1.05);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scene-body{padding:var(--sp-4);display:flex;flex-direction:column;gap:var(--sp-2);flex:1;min-width:0;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scene-body h3{margin:0;font-size:var(--fs-lg);line-height:var(--lh-snug);letter-spacing:-.01em;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scene-body p{margin:0;font-size:var(--fs-sm);color:var(--muted);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-metric{
  margin-top:auto;padding-top:var(--sp-3);border-top:1px dashed var(--line);
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
  font-size:var(--fs-xs);color:var(--muted);display:flex;justify-content:space-between;gap:var(--sp-2);
  flex-wrap:wrap;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-metric b{color:var(--accent);font-weight:700;}

/* ---- 服务 / 价格档位 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tiers{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-4);align-items:stretch;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tier{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:var(--sp-5);display:flex;flex-direction:column;gap:var(--sp-3);
  box-shadow:var(--sh-1);min-width:0;position:relative;
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease-out);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tier:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tier-hot{
  border-color:oklch(0.54 0.1 151 / .48);
  box-shadow:var(--sh-2);
  background:linear-gradient(180deg, oklch(0.94 0.03 140 / .45), var(--bg) 42%);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tier-flag{
  position:absolute;top:calc(var(--sp-3) * -1);right:var(--sp-5);
  background:var(--accent);color:oklch(0.99 0.01 331);
  border-radius:var(--r-pill);padding:var(--sp-1) var(--sp-3);
  font-family:system-ui,-apple-system,sans-serif;font-size:var(--fs-xs);font-weight:700;
  box-shadow:var(--sh-1);letter-spacing:.02em;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tier h3{margin:0;font-size:var(--fs-lg);letter-spacing:-.01em;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-price{
  font-size:var(--fs-xl);font-weight:700;color:var(--text);line-height:1.05;
  font-family:system-ui,-apple-system,sans-serif;letter-spacing:-.02em;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-price small{font-size:var(--fs-xs);color:var(--muted);font-weight:500;letter-spacing:0;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tier ul{list-style:none;margin:0;padding:0;display:grid;gap:var(--sp-2);font-size:var(--fs-sm);color:var(--muted);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tier li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--sp-2);align-items:start;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tier li::before{
  content:"✓";color:var(--primary);font-weight:700;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tier .nc-btn{margin-top:auto;justify-content:center;}

/* ---- 合作伙伴墙 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-partners{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--sp-3);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-partner{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:var(--sp-3) var(--sp-4);text-align:center;
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
  font-size:var(--fs-sm);color:var(--muted);font-weight:600;
  transition:transform var(--t-base) var(--ease-out),color var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease-out),border-color var(--t-base) var(--ease);
  min-width:0;overflow-wrap:break-word;display:flex;align-items:center;justify-content:center;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-partner:hover{
  transform:translateY(-2px);color:var(--primary);box-shadow:var(--sh-1);
  border-color:oklch(0.54 0.1 151 / .35);
}

/* ---- 核心能力卡片：手风琴折叠（纯 CSS details） ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc{
  display:grid;gap:var(--sp-3);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc details{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc details[open]{
  box-shadow:var(--sh-2);border-color:oklch(0.54 0.1 151 / .36);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc summary{
  list-style:none;cursor:pointer;padding:var(--sp-4) var(--sp-5);
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:var(--sp-3);
  align-items:center;font-weight:700;font-size:var(--fs-md);
  min-height:52px;
  transition:background var(--t-base) var(--ease),color var(--t-base) var(--ease);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc summary:hover{background:var(--surface);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc summary::-webkit-details-marker{display:none;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc .nc-idx{
  width:28px;height:28px;border-radius:var(--r-pill);display:grid;place-items:center;
  background:var(--wash);color:var(--primary);font-size:var(--fs-xs);font-weight:700;
  font-family:system-ui,-apple-system,sans-serif;flex:none;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc .nc-plus{
  width:22px;height:22px;border-radius:var(--r-pill);position:relative;flex:none;
  background:var(--surface);border:1px solid var(--line);
  transition:background var(--t-base) var(--ease),border-color var(--t-base) var(--ease);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc .nc-plus::before,
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc .nc-plus::after{
  content:"";position:absolute;inset:50% 25%;height:2px;background:var(--muted);
  transform:translateY(-50%);border-radius:2px;transition:transform var(--t-base) var(--ease),background var(--t-base) var(--ease);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc .nc-plus::after{transform:translateY(-50%) rotate(90deg);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc details[open] .nc-plus::after{transform:translateY(-50%) rotate(0);background:var(--accent);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc details[open] .nc-plus::before{background:var(--accent);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc details[open] .nc-plus{border-color:oklch(0.66 0.12 331 / .35);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc-body{
  padding:0 var(--sp-5) var(--sp-5);display:grid;gap:var(--sp-3);
  font-size:var(--fs-sm);color:var(--muted);
  animation:ncReveal .4s var(--ease-out) both;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc-body p{margin:0;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc-body b{color:var(--text);}
@keyframes ncReveal{from{opacity:.3;transform:translateY(-4px);}to{opacity:1;transform:none;}}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:1px var(--sp-2);font-size:var(--fs-xs);color:var(--primary);
  overflow-wrap:break-word;
}

/* ---- 时间轴左右交错 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-timeline{
  position:relative;display:grid;gap:var(--sp-4);margin-top:var(--sp-1);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,transparent,var(--line) 12%,var(--line) 88%,transparent);
  transform:translateX(-50%);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-item{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:var(--sp-5);align-items:start;position:relative;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:var(--sp-4);box-shadow:var(--sh-1);min-width:0;
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease-out);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-card:hover{box-shadow:var(--sh-2);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-card h3{margin:0 0 var(--sp-2);font-size:var(--fs-md);letter-spacing:-.01em;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-card p{margin:0;font-size:var(--fs-sm);color:var(--muted);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-phase{
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
  font-size:var(--fs-xs);letter-spacing:.12em;color:var(--accent);font-weight:700;
  display:inline-block;margin-bottom:var(--sp-1);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-dot{
  position:absolute;left:50%;top:var(--sp-4);width:14px;height:14px;
  border-radius:var(--r-pill);background:var(--bg);border:3px solid var(--primary);
  transform:translateX(-50%);z-index:2;
  box-shadow:0 0 0 4px oklch(0.94 0.03 140 / .55);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-item:nth-child(even) .nc-tl-card{grid-column:2;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-item:nth-child(even) .nc-tl-empty{grid-column:1;grid-row:1;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-empty{min-width:0;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-item .nc-tl-card{transform:rotate(-.5deg);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-item:nth-child(even) .nc-tl-card{transform:rotate(.6deg);}

/* ---- 实用指导清单 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-guide{
  background:
    radial-gradient(70% 90% at 100% 0%, oklch(0.94 0.05 140 / .5), transparent 65%),
    var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:var(--sp-6);box-shadow:var(--sh-2);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-guide .nc-kicker{margin-bottom:var(--sp-2);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-guide-list{
  list-style:none;margin:var(--sp-4) 0 0;padding:0;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-3) var(--sp-5);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-guide-list li{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--sp-3);
  align-items:start;font-size:var(--fs-sm);color:var(--muted);
  padding-bottom:var(--sp-3);border-bottom:1px dashed var(--line);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-guide-list b{color:var(--text);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-guide-list .nc-num{
  background:var(--bg);border:1px solid var(--line);
}

/* ---- CTA 内嵌色带 ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(115deg, var(--primary), oklch(0.46 0.09 165) 62%, oklch(0.52 0.09 190));
  color:oklch(0.98 0.01 140);
  padding:var(--sp-6);
  display:grid;grid-template-columns:minmax(0,1.4fr) auto;gap:var(--sp-5);align-items:center;
  box-shadow:var(--sh-3);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:240px;height:240px;
  border-radius:var(--r-pill);background:oklch(0.78 0.08 331 / .22);pointer-events:none;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-band > div{min-width:0;position:relative;z-index:1;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-band h2{margin:0 0 var(--sp-2);font-size:var(--fs-xl);line-height:var(--lh-snug);letter-spacing:-.015em;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-band p{margin:0;font-size:var(--fs-sm);color:oklch(0.95 0.02 150);max-width:52ch;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-band .nc-btn{
  background:oklch(0.985 0.013 78);color:var(--text);position:relative;z-index:2;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-band .nc-btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}

/* ---- 页脚（非对称） ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot{
  background:var(--bg);border-top:1px solid var(--line);padding-block:var(--sp-6) var(--sp-5);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot-grid{
  display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1fr);
  gap:var(--sp-5);
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot-grid > div{min-width:0;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot h3{
  font-size:var(--fs-sm);margin:0 0 var(--sp-3);letter-spacing:.04em;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:var(--sp-2);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot a{color:var(--muted);text-decoration:none;font-size:var(--fs-sm);transition:color var(--t-base) var(--ease);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot a:hover{color:var(--primary);}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot p{font-size:var(--fs-sm);color:var(--muted);margin:0;max-width:40ch;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot-bottom{
  margin-top:var(--sp-5);padding-top:var(--sp-4);border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:var(--sp-3);justify-content:space-between;
  font-size:var(--fs-xs);color:var(--muted);
  font-family:system-ui,-apple-system,"PingFang SC",sans-serif;
}

/* ---- 入场动效（加载即播放，默认可见） ---- */
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-rise{
  animation:ncRise .7s var(--ease-out) both;
}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-rise-2{animation-delay:.08s;}
.design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-rise-3{animation-delay:.16s;}
@keyframes ncRise{from{opacity:.4;transform:translateY(14px);}to{opacity:1;transform:none;}}

/* ---- 响应式 ---- */
@media (min-width:1600px){
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-wrap{max-width:var(--container-lg);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scenes{grid-template-columns:repeat(4,minmax(0,1fr));}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-partners{grid-template-columns:repeat(8,minmax(0,1fr));}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stats{grid-template-columns:repeat(4,minmax(0,1fr));}
}
@media (min-width:2000px){
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-wrap{max-width:var(--container-xl);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-h1{font-size:clamp(2.8rem,1.9rem + 2.8vw,3.7rem);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-hero-visual{max-width:720px;}
}
@media (max-width:1024px){
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-feature{grid-template-columns:minmax(0,1fr);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scenes{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tiers{grid-template-columns:minmax(0,1fr);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-partners{grid-template-columns:repeat(3,minmax(0,1fr));}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-band{grid-template-columns:minmax(0,1fr);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-a{left:0;width:40%;bottom:-10%;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-b{right:0;width:32%;}
}
@media (max-width:640px){
  .design-style-naturechain-bridging-nature-and-blockchain_c4v{padding-bottom:0;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-sec{padding-block:var(--sp-6);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-scenes{grid-template-columns:minmax(0,1fr);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-stats{grid-template-columns:minmax(0,1fr);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-partners{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-guide-list{grid-template-columns:minmax(0,1fr);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-foot-grid{grid-template-columns:minmax(0,1fr);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-timeline::before{left:9px;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-item,
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-item:nth-child(even) .nc-tl-card,
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-item .nc-tl-card{grid-template-columns:minmax(0,1fr);grid-column:1;grid-row:auto;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-item{padding-left:26px;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-dot{left:9px;top:var(--sp-4);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-tl-empty{display:none;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-a{width:46%;bottom:-8%;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-b{width:36%;top:-8%;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-cta-band{padding:var(--sp-5);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-guide{padding:var(--sp-5);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc summary{padding:var(--sp-4);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-acc-body{padding:0 var(--sp-4) var(--sp-5);}
}
@media (max-width:380px){
  .design-style-naturechain-bridging-nature-and-blockchain_c4v{font-size:var(--fs-sm);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-wrap{padding-inline:var(--sp-3);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-partners{grid-template-columns:minmax(0,1fr);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-h1{font-size:clamp(1.7rem,1.3rem + 3vw,2.1rem);}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-a,
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot-b{position:static;width:100%;transform:none;animation:none;margin-top:var(--sp-3);aspect-ratio:16/10;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-btn{padding:var(--sp-3) var(--sp-4);width:100%;justify-content:center;}
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-hero-actions{width:100%;}
}
@media (prefers-reduced-motion: reduce){
  .design-style-naturechain-bridging-nature-and-blockchain_c4v *,
  .design-style-naturechain-bridging-nature-and-blockchain_c4v *::before,
  .design-style-naturechain-bridging-nature-and-blockchain_c4v *::after{
    animation:none !important;transition-duration:.01ms !important;
  }
  .design-style-naturechain-bridging-nature-and-blockchain_c4v .nc-shot img{transform:none !important;}
}