.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi{
  --bg: oklch(0.15 0.03 359);
  --surface: oklch(0.21 0.045 359);
  --surface-2: oklch(0.25 0.05 359);
  --primary: oklch(0.72 0.14 359);
  --secondary: oklch(0.62 0.14 31);
  --accent: oklch(0.78 0.16 195);
  --accent-2: oklch(0.90 0.12 195);
  --text: oklch(0.94 0.02 359);
  --muted: oklch(0.66 0.03 359);
  --line: color-mix(in oklab, var(--muted) 30%, transparent);
  --line-strong: color-mix(in oklab, var(--muted) 52%, transparent);
  --container:1160px;--container-lg:1400px;--container-xl:1640px;
  --gutter:clamp(14px,2.2vw,28px);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;
  --r-sm:2px;--r-md:4px;--r-lg:6px;--r-pill:999px;
  --sh-1:0 1px 0 rgba(255,255,255,.05) inset,0 1px 2px rgba(0,0,0,.28),0 2px 8px rgba(0,0,0,.32);
  --sh-2:0 1px 0 rgba(255,255,255,.07) inset,0 6px 16px rgba(0,0,0,.4),0 14px 34px rgba(0,0,0,.42);
  --sh-3:0 1px 0 rgba(255,255,255,.09) inset,0 14px 34px rgba(0,0,0,.48),0 30px 72px rgba(0,0,0,.55);
  --fs-xs:clamp(.72rem,.7rem + .1vw,.78rem);
  --fs-sm:clamp(.82rem,.8rem + .15vw,.9rem);
  --fs-md:clamp(.94rem,.9rem + .24vw,1.05rem);
  --fs-lg:clamp(1.12rem,1.02rem + .48vw,1.36rem);
  --fs-xl:clamp(1.44rem,1.24rem + 1vw,1.92rem);
  --fs-2xl:clamp(1.82rem,1.44rem + 1.95vw,2.78rem);
  --fs-3xl:clamp(2.3rem,1.72rem + 2.9vw,3.5rem);
  --lh-tight:1.1;--lh-snug:1.3;--lh-body:1.6;
  --ease:cubic-bezier(.4,0,.2,1);--ease-out:cubic-bezier(.16,1,.3,1);--ease-spring:cubic-bezier(.34,1.56,.64,1);
  --t-fast:.15s;--t-base:.25s;--t-slow:.45s;
  position:relative;
  display:block;
  width:100%;
  max-width:100%;
  overflow-x:hidden;
  overflow-wrap:break-word;
  background:var(--bg);
  color:var(--text);
  font-family:"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:var(--fs-md);
  line-height:var(--lh-body);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi *,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi *::before,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi *::after{box-sizing:border-box;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi p,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi h1,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi h2,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi h3,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi h4,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi ul,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi ol,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi figure,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi dl{margin:0;padding:0;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi ul,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi ol{list-style:none;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi img{max-width:100%;height:auto;display:block;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi a{color:inherit;text-decoration:none;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi svg{max-width:100%;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi :focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:var(--r-sm);}

/* ===== 通用容器 / 排版 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-wrap{
  width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-eyebrow{
  font-size:var(--fs-xs);letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-2);font-weight:800;display:inline-flex;align-items:center;gap:var(--sp-2);
  line-height:1.2;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-eyebrow::before{
  content:"";width:20px;height:2px;background:var(--secondary);display:inline-block;flex:0 0 auto;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-h{
  font-weight:900;letter-spacing:-.035em;line-height:var(--lh-tight);
  font-size:var(--fs-2xl);text-wrap:balance;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-h--xl{font-size:var(--fs-3xl);letter-spacing:-.045em;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-lead{color:var(--muted);font-size:var(--fs-md);max-width:60ch;text-wrap:pretty;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-mono{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;letter-spacing:0;
}

/* ===== 提示条（首屏第一条） ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-notice{
  display:flex;align-items:center;gap:var(--sp-3);
  background:color-mix(in oklab,var(--surface) 78%, var(--bg));
  border-bottom:1px solid var(--line);
  padding:var(--sp-2) var(--gutter);
  font-size:var(--fs-xs);letter-spacing:.05em;line-height:1.4;
  color:var(--text);position:relative;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-notice__dot{
  flex:0 0 auto;width:7px;height:7px;border-radius:var(--r-pill);
  background:var(--accent);box-shadow:0 0 0 3px color-mix(in oklab,var(--accent) 20%,transparent);
  animation:sdn-pulse 2.4s var(--ease) infinite;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-notice strong{color:var(--accent-2);font-weight:800;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-notice__tag{
  margin-left:auto;flex:0 0 auto;color:var(--primary);font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  padding-left:var(--sp-3);white-space:nowrap;
}

/* ===== 顶部导航（编辑式顶栏，非居中套路） ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-nav{
  border-bottom:1px solid var(--line);
  background:color-mix(in oklab,var(--bg) 86%, var(--surface));
  position:sticky;top:0;z-index:40;
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  backdrop-filter:blur(12px) saturate(140%);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-nav__in{
  display:flex;align-items:center;gap:var(--sp-4);
  padding-block:var(--sp-2);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-logo{
  display:flex;align-items:center;gap:var(--sp-2);font-weight:900;letter-spacing:-.03em;
  font-size:var(--fs-lg);min-width:0;line-height:1.1;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-logo__mark{
  width:26px;height:26px;flex:0 0 auto;border-radius:var(--r-sm);
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:grid;place-items:center;color:var(--bg);font-size:var(--fs-xs);font-weight:900;
  box-shadow:var(--sh-1);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-nav__links{
  display:flex;align-items:center;gap:var(--sp-5);margin-left:auto;flex-wrap:wrap;min-width:0;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-nav__links a{
  font-size:var(--fs-sm);font-weight:700;color:var(--muted);
  padding-block:var(--sp-1);position:relative;transition:color var(--t-fast) var(--ease);
  white-space:nowrap;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-nav__links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:linear-gradient(90deg,var(--accent-2),var(--accent));
  transition:width var(--t-base) var(--ease-out);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-nav__links a:hover{color:var(--text);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-nav__links a:hover::after{width:100%;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);
  min-height:42px;padding:var(--sp-2) var(--sp-5);
  border-radius:var(--r-md);font-size:var(--fs-sm);font-weight:900;letter-spacing:.02em;line-height:1.2;
  border:1px solid var(--line);cursor:pointer;white-space:nowrap;
  transition:transform var(--t-fast) var(--ease-out),box-shadow var(--t-base) var(--ease),background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-btn--solid{
  background:var(--primary);color:var(--bg);border-color:transparent;box-shadow:var(--sh-1);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-btn--solid:hover{transform:translateY(-2px) scale(1.02);box-shadow:var(--sh-2);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-btn--solid:active{transform:translateY(0) scale(.99);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-btn--ghost{background:transparent;color:var(--text);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-btn--ghost:hover{border-color:var(--accent);color:var(--accent-2);transform:translateY(-2px);box-shadow:var(--sh-1);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-btn--accent{
  background:color-mix(in oklab,var(--accent) 12%,transparent);border-color:color-mix(in oklab,var(--accent) 62%,var(--line));color:var(--accent-2);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-btn--accent:hover{background:color-mix(in oklab,var(--accent) 22%,transparent);transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--accent);}

/* ===== 波纹母题背景 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-ripple{
  position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-ripple svg{width:100%;height:100%;display:block;opacity:.42;}

/* ===== HERO：左文右图 分栏 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero{
  position:relative;isolation:isolate;
  border-bottom:1px solid var(--line);
  padding-block:clamp(24px,4vw,52px);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(18px,3vw,40px);align-items:center;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__grid > *{min-width:0;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__title{
  font-size:var(--fs-3xl);font-weight:900;letter-spacing:-.05em;line-height:var(--lh-tight);
  margin-block:var(--sp-3) var(--sp-4);text-wrap:balance;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__title em{
  font-style:normal;color:var(--primary);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-underline{
  position:relative;display:inline-block;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-underline svg{
  position:absolute;left:-2%;bottom:-.26em;width:104%;height:.4em;overflow:visible;pointer-events:none;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__meta{
  display:flex;flex-wrap:wrap;gap:var(--sp-2);margin-top:var(--sp-5);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-chip{
  font-size:var(--fs-xs);font-weight:800;letter-spacing:.05em;line-height:1.3;
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:var(--sp-1) var(--sp-3);color:var(--muted);background:color-mix(in oklab,var(--surface) 68%,transparent);
  transition:border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-chip:hover{border-color:color-mix(in oklab,var(--accent) 60%,var(--line));color:var(--accent-2);background:color-mix(in oklab,var(--accent) 10%,transparent);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta-row{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-6);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__fig{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);box-shadow:var(--sh-3);overflow:hidden;margin:0;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__fig img{
  width:100%;aspect-ratio:4/3;object-fit:cover;filter:saturate(.96) contrast(1.04);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__badge{
  position:absolute;left:var(--sp-3);bottom:var(--sp-3);max-width:calc(100% - var(--sp-5));
  background:color-mix(in oklab,var(--bg) 84%,transparent);
  border:1px solid color-mix(in oklab,var(--accent) 62%,transparent);border-radius:var(--r-md);
  padding:var(--sp-2) var(--sp-3);font-size:var(--fs-xs);font-weight:800;color:var(--accent-2);line-height:1.3;
-webkit-backdrop-filter:blur(8px);
backdrop-filter:blur(8px);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__tag{
  position:absolute;right:calc(var(--sp-3) * -1);top:var(--sp-5);
  writing-mode:vertical-rl;font-size:var(--fs-xs);letter-spacing:.3em;text-transform:uppercase;
  color:color-mix(in oklab,var(--secondary) 88%,var(--text));font-weight:900;pointer-events:none;
}

/* ===== 区块骨架 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-sec{padding-block:clamp(26px,3.6vw,50px);border-bottom:1px solid var(--line);position:relative;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-sec__head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);flex-wrap:wrap;
  margin-bottom:var(--sp-5);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-sec__head > *{min-width:0;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-sec__head p{max-width:54ch;}

/* ===== 关键数据条 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:var(--sp-3);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  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),border-color var(--t-fast) var(--ease);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stat:hover{transform:translateY(-3px) scale(1.012);box-shadow:var(--sh-2);border-color:color-mix(in oklab,var(--accent) 42%,var(--line));}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stat__num{
  font-size:var(--fs-xl);font-weight:900;letter-spacing:-.04em;color:var(--accent-2);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stat__num span{font-size:var(--fs-sm);color:var(--muted);letter-spacing:0;margin-left:2px;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stat__label{font-size:var(--fs-sm);font-weight:800;margin-top:var(--sp-2);line-height:1.35;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stat__note{font-size:var(--fs-xs);color:var(--muted);margin-top:var(--sp-1);line-height:1.45;}

/* ===== 最新动态 / 资讯 时间轴纵向 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-timeline{
  position:relative;display:grid;gap:var(--sp-3);padding-left:var(--sp-6);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,transparent,var(--line-strong) 14%,var(--line-strong) 86%,transparent);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl{
  position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--sp-4);
  align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  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),border-color var(--t-fast) var(--ease);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl:hover{transform:translateX(4px);box-shadow:var(--sh-2);border-color:color-mix(in oklab,var(--primary) 40%,var(--line));}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl::before{
  content:"";position:absolute;left:calc(var(--sp-6) * -1 + 2px);top:calc(var(--sp-4) + 6px);
  width:11px;height:11px;border-radius:var(--r-pill);background:var(--bg);border:2px solid var(--primary);
  box-shadow:0 0 0 3px var(--bg);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl__kicker{
  font-size:var(--fs-xs);font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:var(--secondary);line-height:1.3;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl__title{font-size:var(--fs-lg);font-weight:900;letter-spacing:-.02em;margin-top:var(--sp-1);line-height:var(--lh-snug);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl__desc{font-size:var(--fs-sm);color:var(--muted);margin-top:var(--sp-2);line-height:1.56;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl__metric{
  flex:0 0 auto;text-align:right;font-size:var(--fs-xs);color:var(--accent-2);font-weight:900;
  border-left:1px solid var(--line);padding-left:var(--sp-4);min-width:96px;line-height:1.3;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl__metric b{display:block;font-size:var(--fs-lg);color:var(--text);letter-spacing:-.03em;margin-bottom:2px;}

/* ===== 工作流程步骤 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-steps{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--sp-3);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:var(--sp-4);min-width:0;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease),border-color var(--t-fast) var(--ease);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-step::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
  opacity:.55;transition:opacity var(--t-base) var(--ease);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:color-mix(in oklab,var(--primary) 38%,var(--line));}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-step:hover::after{opacity:1;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-step__idx{
  font-size:var(--fs-xl);font-weight:900;letter-spacing:-.05em;color:color-mix(in oklab,var(--primary) 78%,var(--text));
  line-height:1;font-variant-numeric:tabular-nums;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-step__name{font-size:var(--fs-sm);font-weight:900;margin-top:var(--sp-3);line-height:1.35;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-step__desc{font-size:var(--fs-xs);color:var(--muted);margin-top:var(--sp-2);line-height:1.5;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-step__code{
  margin-top:var(--sp-3);font-size:var(--fs-xs);color:var(--accent-2);font-weight:800;
  border-top:1px dashed var(--line);padding-top:var(--sp-2);line-height:1.4;
}

/* ===== 特性卡 5 个（非对称拼贴） ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feats{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--sp-3);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat{
  grid-column:span 2;min-width:0;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-4);
  box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:var(--sp-2);
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease),border-color var(--t-fast) var(--ease);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat:hover{transform:translateY(-4px) rotate(-.4deg);box-shadow:var(--sh-2);border-color:color-mix(in oklab,var(--accent) 40%,var(--line));}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat--wide{grid-column:span 3;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat__ico{
  width:32px;height:32px;flex:0 0 auto;border-radius:var(--r-sm);display:grid;place-items:center;
  background:color-mix(in oklab,var(--primary) 18%,transparent);border:1px solid color-mix(in oklab,var(--primary) 44%,transparent);
  color:var(--primary);font-weight:900;font-size:var(--fs-sm);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat h3{font-size:var(--fs-md);font-weight:900;letter-spacing:-.02em;line-height:1.3;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat p{font-size:var(--fs-xs);color:var(--muted);line-height:1.55;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat__fig{border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);margin-top:auto;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat__fig img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--t-slow) var(--ease-out);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat:hover .sdn-feat__fig img{transform:scale(1.03);}

/* ===== 解决方案对比表 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp{width:100%;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--surface);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp table{width:100%;border-collapse:collapse;font-size:var(--fs-sm);table-layout:fixed;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp th,
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp td{
  padding:var(--sp-3);text-align:left;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:break-word;line-height:1.5;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp thead th{
  background:color-mix(in oklab,var(--primary) 14%,var(--surface));
  font-size:var(--fs-xs);letter-spacing:.1em;text-transform:uppercase;font-weight:900;color:var(--text);
  border-bottom-color:var(--line-strong);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp tbody tr:last-child td{border-bottom:0;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp tbody tr{transition:background var(--t-fast) var(--ease);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp tbody tr:hover{background:color-mix(in oklab,var(--accent) 7%,transparent);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp .sdn-yes{color:var(--accent-2);font-weight:900;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp .sdn-no{color:var(--muted);font-weight:700;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp td:first-child{font-weight:800;color:var(--text);}

/* ===== 实用指导清单 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-3);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide__item{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--sp-3);
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--primary);
  border-radius:var(--r-md);padding:var(--sp-4);min-width:0;box-shadow:var(--sh-1);
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease),border-left-color var(--t-fast) var(--ease);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide__item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-left-color:var(--accent);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide__n{
  width:26px;height:26px;border-radius:var(--r-sm);display:grid;place-items:center;
  background:var(--accent);color:var(--bg);font-weight:900;font-size:var(--fs-xs);flex:0 0 auto;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide__t{font-size:var(--fs-sm);font-weight:900;line-height:1.35;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide__d{font-size:var(--fs-xs);color:var(--muted);margin-top:var(--sp-1);line-height:1.55;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide__d b{color:var(--accent-2);font-weight:900;}

/* ===== 合作伙伴跑马灯 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-marquee{
  overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:color-mix(in oklab,var(--surface) 60%,transparent);position:relative;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-marquee__track{
  display:flex;width:max-content;animation:sdn-marquee 32s linear infinite;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-marquee__row{display:flex;align-items:center;gap:var(--sp-7);padding:var(--sp-3) var(--sp-5);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-marquee__item{
  font-size:var(--fs-sm);font-weight:900;letter-spacing:.06em;color:var(--muted);white-space:nowrap;
  display:inline-flex;align-items:center;gap:var(--sp-2);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-marquee__item::before{
  content:"";width:6px;height:6px;border-radius:var(--r-pill);background:var(--secondary);flex:0 0 auto;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-marquee:hover .sdn-marquee__track{animation-play-state:paused;}

/* ===== CTA 内嵌色带 ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta{
  position:relative;overflow:hidden;border-top:1px solid var(--line);
  background:var(--surface);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta__in{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:var(--sp-6);align-items:center;
  padding-block:clamp(26px,3.8vw,48px);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta__in > *{min-width:0;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta__band{
  position:absolute;left:0;top:0;bottom:0;width:5px;
  background:linear-gradient(180deg,var(--primary),var(--secondary));
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta__list{display:grid;gap:var(--sp-2);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta__list li{
  font-size:var(--fs-sm);color:var(--muted);display:flex;gap:var(--sp-2);align-items:flex-start;line-height:1.5;
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta__list li::before{content:"→";color:var(--accent);font-weight:900;flex:0 0 auto;}

/* ===== 页脚（非对称） ===== */
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-foot{
  background:var(--bg);padding-block:clamp(24px,3.2vw,42px) var(--sp-5);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-foot__grid{
  display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);gap:var(--sp-6);
}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-foot__grid > *{min-width:0;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-foot h4{font-size:var(--fs-xs);letter-spacing:.18em;text-transform:uppercase;color:var(--primary);font-weight:900;margin-bottom:var(--sp-3);line-height:1.3;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-foot li{font-size:var(--fs-sm);color:var(--muted);padding-block:var(--sp-1);line-height:1.5;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-foot li a:hover{color:var(--accent-2);}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-foot__bottom{
  margin-top:var(--sp-6);padding-top:var(--sp-4);border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap;
  font-size:var(--fs-xs);color:var(--muted);line-height:1.5;
}

/* ===== 动画（加载即播放，元素默认可见） ===== */
@keyframes sdn-marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@keyframes sdn-pop{0%{transform:scale(.94) translateY(10px);}60%{transform:scale(1.012) translateY(0);}100%{transform:scale(1) translateY(0);}}
@keyframes sdn-pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.55;transform:scale(.82);}}
@keyframes sdn-draw{from{stroke-dashoffset:340;}to{stroke-dashoffset:0;}}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-pop{animation:sdn-pop .62s var(--ease-spring) both;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-d1{animation-delay:.06s;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-d2{animation-delay:.12s;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-d3{animation-delay:.18s;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-d4{animation-delay:.24s;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-d5{animation-delay:.3s;}
.design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-underline path{
  stroke-dasharray:340;animation:sdn-draw 1.1s var(--ease-out) .35s both;
}

/* ===== 响应式 ===== */
@media (min-width:1600px){
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-wrap{max-width:var(--container-xl);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-4);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-steps{grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--sp-4);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feats{grid-template-columns:repeat(8,minmax(0,1fr));}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat{grid-column:span 2;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat--wide{grid-column:span 4;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__grid{grid-template-columns:minmax(0,1fr);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__tag{display:none;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-steps{grid-template-columns:repeat(3,minmax(0,1fr));}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feats{grid-template-columns:repeat(4,minmax(0,1fr));}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat{grid-column:span 2;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat--wide{grid-column:span 4;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta__in{grid-template-columns:minmax(0,1fr);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-foot__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
}
@media (max-width:640px){
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-nav__links{display:none;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-nav__in{padding-block:var(--sp-2);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stats{grid-template-columns:minmax(0,1fr);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-steps{grid-template-columns:minmax(0,1fr);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feats{grid-template-columns:minmax(0,1fr);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat,
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat--wide{grid-column:span 1;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide{grid-template-columns:minmax(0,1fr);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl{grid-template-columns:minmax(0,1fr);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-tl__metric{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:var(--sp-2);text-align:left;min-width:0;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-foot__grid{grid-template-columns:minmax(0,1fr);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cmp table{min-width:520px;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__badge{left:var(--sp-2);bottom:var(--sp-2);padding:var(--sp-1) var(--sp-2);}
}
@media (max-width:380px){
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi{--gutter:10px;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-notice{font-size:.68rem;gap:var(--sp-2);padding-inline:var(--sp-3);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-notice__tag{display:none;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-hero__title{letter-spacing:-.03em;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-btn{padding:var(--sp-2) var(--sp-4);width:100%;}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-cta-row{gap:var(--sp-2);}
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-stat,
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-feat,
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-step,
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-guide__item{padding:var(--sp-3);}
}
@media (prefers-reduced-motion: reduce){
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi *,
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi *::before,
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi *::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
  .design-style-smart_design_network_blockchain_application_development_independent_design_style_ufi .sdn-marquee__track{animation:none;}
}