.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg{
  --bg:oklch(0.985 0.008 210);
  --surface:oklch(0.96 0.02 210);
  --surface-2:oklch(0.975 0.014 210);
  --primary:oklch(0.54 0.12 210);
  --secondary:oklch(0.62 0.12 242);
  --accent:oklch(0.66 0.14 60);
  --accent-2:oklch(0.78 0.1 60);
  --text:oklch(0.27 0.03 210);
  --muted:oklch(0.46 0.03 210);
  --line:color-mix(in oklab, var(--primary) 18%, transparent);
  --line-strong:color-mix(in oklab, var(--primary) 32%, transparent);
  --container:1120px;--container-lg:1340px;--container-xl:1560px;
  --gutter:clamp(14px,2.2vw,28px);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:22px;--sp-6:30px;--sp-7:42px;--sp-8:56px;
  --r-sm:14px;--r-md:20px;--r-lg:28px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.09);
  --sh-2:0 6px 12px -3px rgba(16,24,40,.11),0 2px 5px -2px rgba(16,24,40,.07);
  --sh-3:0 22px 42px -12px rgba(16,24,40,.19),0 8px 18px -8px rgba(16,24,40,.11);
  --fs-xs:clamp(.72rem,.7rem + .1vw,.78rem);
  --fs-sm:clamp(.82rem,.8rem + .15vw,.9rem);
  --fs-md:clamp(.95rem,.9rem + .25vw,1.06rem);
  --fs-lg:clamp(1.15rem,1.05rem + .5vw,1.4rem);
  --fs-xl:clamp(1.5rem,1.3rem + 1vw,2rem);
  --fs-2xl:clamp(1.9rem,1.5rem + 2vw,2.85rem);
  --fs-3xl:clamp(2.4rem,1.8rem + 3vw,3.5rem);
  --lh-tight:1.12;--lh-snug:1.32;--lh-body:1.62;
  --ease:cubic-bezier(.4,0,.2,1);--ease-out:cubic-bezier(.16,1,.3,1);
  --t-fast:.15s;--t-base:.25s;--t-slow:.45s;
  position:relative;display:block;width:100%;max-width:100%;
  background:var(--bg);color:var(--text);
  font-family:Inter,"SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:var(--fs-md);line-height:var(--lh-body);
  overflow-x:hidden;overflow-wrap:break-word;word-break:break-word;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg *,
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg *::before,
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg *::after{box-sizing:border-box;min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg img{max-width:100%;height:auto;display:block;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg svg{flex:none;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg a{color:inherit;text-decoration:none;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg :focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:var(--r-sm);}

/* ---------- 视差层装置 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-parallax{position:relative;overflow:hidden;isolation:isolate;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-blob{position:absolute;z-index:-1;border-radius:52% 48% 63% 37% / 45% 55% 45% 55%;filter:blur(26px);pointer-events:none;will-change:transform;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-blob--a{width:clamp(220px,34vw,520px);aspect-ratio:1/1;top:-14%;left:-8%;background:radial-gradient(circle at 35% 35%,color-mix(in oklab,var(--primary) 30%,transparent),transparent 70%);animation:bca-drift-a 26s var(--ease) infinite alternate;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-blob--b{width:clamp(180px,26vw,420px);aspect-ratio:1/1;bottom:-18%;right:-6%;background:radial-gradient(circle at 60% 40%,color-mix(in oklab,var(--accent) 24%,transparent),transparent 70%);animation:bca-drift-b 32s var(--ease) infinite alternate;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-blob--c{width:clamp(140px,18vw,300px);aspect-ratio:1/1;top:42%;left:58%;background:radial-gradient(circle at 50% 50%,color-mix(in oklab,var(--secondary) 22%,transparent),transparent 72%);animation:bca-drift-a 38s var(--ease) infinite alternate-reverse;}
@keyframes bca-drift-a{from{transform:translate3d(0,0,0) scale(1);}to{transform:translate3d(3vw,-4vh,0) scale(1.12);}}
@keyframes bca-drift-b{from{transform:translate3d(0,0,0) scale(1.05);}to{transform:translate3d(-4vw,-3vh,0) scale(.94);}}

/* ---------- 顶部提示条 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-notice{position:relative;z-index:60;display:flex;align-items:center;justify-content:center;gap:var(--sp-2);
  padding:var(--sp-2) var(--gutter);background:oklch(0.24 0.03 210);color:oklch(0.97 0.01 210);
  font-size:var(--fs-xs);letter-spacing:.04em;line-height:1.5;text-align:center;overflow-wrap:break-word;
  box-shadow:inset 0 -1px 0 color-mix(in oklab,var(--primary) 30%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-notice b{color:var(--accent-2);font-weight:700;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-notice .bca-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none;animation:bca-pulse 2.4s var(--ease) infinite;}
@keyframes bca-pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.7);}}

/* ---------- 导航（巨型描边序号风格顶栏） ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);
  padding:var(--sp-3) var(--gutter);
  background:color-mix(in oklab,var(--bg) 82%,transparent);
-webkit-backdrop-filter:saturate(140%) blur(12px);
backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-brand{display:flex;align-items:center;gap:var(--sp-3);min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-brand__mark{width:38px;height:38px;flex:none;border-radius:var(--r-sm);background:var(--primary);color:oklch(0.98 0.01 210);display:grid;place-items:center;box-shadow:var(--sh-1);transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-brand:hover .bca-brand__mark{transform:translateY(-1px);box-shadow:var(--sh-2);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-brand__mark svg{width:20px;height:20px;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-brand__txt{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-brand__txt strong{font-size:var(--fs-sm);font-weight:800;letter-spacing:-.01em;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-brand__txt span{font-size:var(--fs-xs);color:var(--muted);overflow-wrap:break-word;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-nav__links{display:flex;align-items:center;gap:var(--sp-1);flex-wrap:wrap;min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-nav__links a{padding:var(--sp-1) var(--sp-3);border-radius:var(--r-pill);font-size:var(--fs-sm);color:var(--muted);transition:color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-nav__links a:hover{color:var(--primary);background:color-mix(in oklab,var(--primary) 10%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-nav__cta{flex:none;display:inline-flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-4);border-radius:var(--r-pill);background:var(--primary);color:oklch(0.98 0.01 210);font-size:var(--fs-sm);font-weight:700;box-shadow:var(--sh-1);transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease),background var(--t-base) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-nav__cta:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:var(--secondary);}

/* ---------- 容器 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-wrap{width:100%;max-width:var(--container);margin-inline:auto;padding:var(--sp-6) var(--gutter);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-wrap--tight{padding-block:var(--sp-5);}

/* ---------- 巨型描边序号 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-index{font-size:clamp(3.4rem,7vw,6.6rem);font-weight:900;line-height:.85;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:2px color-mix(in oklab,var(--primary) 42%,transparent);
  display:block;pointer-events:none;user-select:none;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-index--accent{-webkit-text-stroke-color:color-mix(in oklab,var(--accent) 60%,transparent);}

/* ---------- Hero：极简单列递进 + 视差层 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero{padding-top:var(--sp-7);padding-bottom:var(--sp-6);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__eyebrow{display:inline-flex;align-items:center;gap:var(--sp-2);padding:var(--sp-1) var(--sp-3);border:1px solid var(--line);border-radius:var(--r-pill);background:color-mix(in oklab,var(--surface) 80%,transparent);font-size:var(--fs-xs);font-weight:700;color:var(--primary);letter-spacing:.08em;text-transform:uppercase;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__title{margin:var(--sp-4) 0 var(--sp-3);font-size:var(--fs-3xl);font-weight:900;line-height:var(--lh-tight);letter-spacing:-.03em;max-width:22ch;text-wrap:balance;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__title em{font-style:normal;color:var(--primary);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__lead{max-width:62ch;color:var(--muted);font-size:var(--fs-md);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-5);align-items:center;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);min-height:44px;padding:var(--sp-3) var(--sp-5);border-radius:var(--r-pill);font-size:var(--fs-sm);font-weight:700;cursor:pointer;transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease),background var(--t-base) var(--ease),color var(--t-base) var(--ease),border-color var(--t-base) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-btn--primary{background:var(--primary);color:oklch(0.98 0.01 210);box-shadow:var(--sh-2);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-btn--primary:hover{background:var(--secondary);transform:translateY(-2px);box-shadow:var(--sh-3);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-btn--ghost{border:1px solid var(--line);color:var(--text);background:color-mix(in oklab,var(--surface) 70%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-btn--ghost:hover{border-color:color-mix(in oklab,var(--accent) 55%,transparent);color:var(--accent);transform:translateY(-2px);box-shadow:var(--sh-1);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-4);margin-top:var(--sp-6);padding-top:var(--sp-5);border-top:1px solid var(--line);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-metric{min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-metric__num{font-size:var(--fs-xl);font-weight:900;color:var(--accent);letter-spacing:-.02em;line-height:1.1;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-metric__lbl{font-size:var(--fs-xs);color:var(--muted);margin-top:var(--sp-1);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__visual{position:relative;margin-top:var(--sp-6);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);border:1px solid var(--line);aspect-ratio:16/7;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__visual img{width:100%;height:100%;object-fit:cover;transform:translate3d(0,0,0) scale(1.04);animation:bca-slow-pan 30s var(--ease) infinite alternate;}
@keyframes bca-slow-pan{from{transform:translate3d(-1.5%,0,0) scale(1.04);}to{transform:translate3d(1.5%,-1.5%,0) scale(1.1);}}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__badge{position:absolute;left:var(--sp-4);bottom:var(--sp-4);z-index:2;display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-4);border-radius:var(--r-pill);background:color-mix(in oklab,var(--bg) 86%,transparent);-webkit-backdrop-filter:blur(8px);
backdrop-filter:blur(8px);box-shadow:var(--sh-2);font-size:var(--fs-xs);font-weight:700;color:var(--primary);border:1px solid var(--line);max-width:calc(100% - var(--sp-4) * 2);}

/* ---------- 入场动画（加载即自动播放，默认可见终态） ---------- */
@keyframes bca-rise{from{opacity:.001;transform:translate3d(0,18px,0);}to{opacity:1;transform:translate3d(0,0,0);}}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-anim{animation:bca-rise .8s var(--ease-out) both;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-d1{animation-delay:.06s;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-d2{animation-delay:.14s;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-d3{animation-delay:.22s;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-d4{animation-delay:.30s;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-d5{animation-delay:.38s;}

/* ---------- 区块标题 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-sec-head{display:flex;flex-direction:column;gap:var(--sp-2);margin-bottom:var(--sp-5);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-sec-head__kick{font-size:var(--fs-xs);font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-sec-head h2{margin:0;font-size:var(--fs-2xl);font-weight:900;line-height:var(--lh-snug);letter-spacing:-.02em;text-wrap:balance;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-sec-head p{margin:0;color:var(--muted);max-width:70ch;font-size:var(--fs-sm);}

/* ---------- 瀑布流不等高特性卡（3 个） ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-masonry{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-4);align-items:start;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-5);box-shadow:var(--sh-1);transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease),background var(--t-base) var(--ease);overflow:hidden;min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:color-mix(in oklab,var(--primary) 40%,transparent);background:var(--surface-2);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card--tall{padding-top:var(--sp-6);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card--short{padding-bottom:var(--sp-4);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card h3{margin:var(--sp-3) 0 var(--sp-2);font-size:var(--fs-lg);font-weight:800;line-height:var(--lh-snug);letter-spacing:-.01em;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card p{margin:0;color:var(--muted);font-size:var(--fs-sm);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card__ico{width:44px;height:44px;border-radius:var(--r-sm);display:grid;place-items:center;background:color-mix(in oklab,var(--primary) 14%,transparent);color:var(--primary);transition:background var(--t-base) var(--ease),color var(--t-base) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card:hover .bca-card__ico{background:color-mix(in oklab,var(--primary) 22%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card__ico svg{width:22px;height:22px;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card__thumb{margin-top:var(--sp-4);border-radius:var(--r-sm);overflow:hidden;aspect-ratio:5/3;border:1px solid var(--line);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card__thumb img{width:100%;height:100%;object-fit:cover;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card__num{position:absolute;top:var(--sp-3);right:var(--sp-4);font-size:clamp(2.2rem,4vw,3.4rem);font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:1.5px color-mix(in oklab,var(--accent) 55%,transparent);pointer-events:none;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-chips{display:flex;flex-wrap:wrap;gap:var(--sp-2);margin-top:var(--sp-4);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-chip{font-size:var(--fs-xs);font-weight:700;padding:var(--sp-1) var(--sp-3);border-radius:var(--r-pill);background:color-mix(in oklab,var(--secondary) 12%,transparent);color:var(--secondary);border:1px solid color-mix(in oklab,var(--secondary) 26%,transparent);}

/* ---------- 时间轴（左右交错） ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl{position:relative;display:flex;flex-direction:column;gap:var(--sp-4);padding-left:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,transparent,var(--line) 12%,var(--line) 88%,transparent);transform:translateX(-50%);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item{position:relative;width:calc(50% - var(--sp-5));background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-4);box-shadow:var(--sh-1);transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease);min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:color-mix(in oklab,var(--primary) 32%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item:nth-child(odd){align-self:flex-start;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item:nth-child(even){align-self:flex-end;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__node{position:absolute;top:18px;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in oklab,var(--accent) 22%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item:nth-child(odd) .bca-tl__node{right:calc(-1 * var(--sp-5) - 7px);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item:nth-child(even) .bca-tl__node{left:calc(-1 * var(--sp-5) - 7px);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__step{font-size:var(--fs-xs);font-weight:800;letter-spacing:.1em;color:var(--accent);text-transform:uppercase;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item h3{margin:var(--sp-2) 0;font-size:var(--fs-md);font-weight:800;line-height:var(--lh-snug);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item p{margin:0;color:var(--muted);font-size:var(--fs-sm);}

/* ---------- FAQ ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq{display:grid;gap:var(--sp-3);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:border-color var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq details[open]{border-color:color-mix(in oklab,var(--primary) 30%,transparent);box-shadow:var(--sh-2);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);padding:var(--sp-4);font-weight:700;font-size:var(--fs-sm);min-height:44px;transition:background var(--t-fast) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq summary::-webkit-details-marker{display:none;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq summary:hover{background:color-mix(in oklab,var(--primary) 7%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq summary::after{content:"+";flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:color-mix(in oklab,var(--accent) 16%,transparent);color:var(--accent);font-weight:900;transition:transform var(--t-base) var(--ease-out);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq summary:focus-visible{outline-offset:-2px;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq details[open] summary::after{transform:rotate(45deg);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-faq .bca-faq__body{padding:0 var(--sp-4) var(--sp-4);color:var(--muted);font-size:var(--fs-sm);}

/* ---------- 最新动态 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-4);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news article{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease);min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news article:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:color-mix(in oklab,var(--primary) 32%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news__thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news__thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease-out);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news article:hover .bca-news__thumb img{transform:scale(1.05);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news__body{padding:var(--sp-4);display:flex;flex-direction:column;gap:var(--sp-2);min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news__tag{align-self:flex-start;font-size:var(--fs-xs);font-weight:800;color:var(--accent);letter-spacing:.06em;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news h3{margin:0;font-size:var(--fs-md);font-weight:800;line-height:var(--lh-snug);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news p{margin:0;color:var(--muted);font-size:var(--fs-sm);}

/* ---------- 图文混排特写 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-feature{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-5);align-items:center;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-feature__media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);border:1px solid var(--line);aspect-ratio:4/3;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-feature__media img{width:100%;height:100%;object-fit:cover;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-feature__list{list-style:none;margin:var(--sp-4) 0 0;padding:0;display:grid;gap:var(--sp-3);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-feature__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-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-feature__list li b{color:var(--text);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-feature__list .bca-tick{width:22px;height:22px;border-radius:50%;flex:none;display:grid;place-items:center;background:color-mix(in oklab,var(--primary) 14%,transparent);color:var(--primary);font-size:var(--fs-xs);font-weight:900;}

/* ---------- 合作伙伴墙 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-partners{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-3);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-partner{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-3) var(--sp-4);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);font-size:var(--fs-sm);font-weight:700;color:var(--muted);min-width:0;transition:border-color var(--t-base) var(--ease),color var(--t-base) var(--ease),transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-partner:hover{border-color:color-mix(in oklab,var(--accent) 55%,transparent);color:var(--text);transform:translateY(-2px);box-shadow:var(--sh-1);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-partner span{width:10px;height:10px;border-radius:3px;background:var(--secondary);flex:none;}

/* ---------- 解决方案对比表 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);box-shadow:var(--sh-1);-webkit-overflow-scrolling:touch;max-width:100%;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg table{width:100%;border-collapse:collapse;font-size:var(--fs-sm);min-width:620px;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg th,
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg td{padding:var(--sp-3) var(--sp-4);text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg thead th{background:color-mix(in oklab,var(--primary) 10%,transparent);color:var(--primary);font-size:var(--fs-xs);letter-spacing:.06em;text-transform:uppercase;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg tbody tr{transition:background var(--t-fast) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg tbody tr:hover{background:color-mix(in oklab,var(--primary) 5%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg tbody tr:last-child td{border-bottom:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg td b{color:var(--accent);}

/* ---------- 实用指导清单 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-3);counter-reset:bca-g;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide__item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-4) var(--sp-4) var(--sp-4) var(--sp-6);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-base) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide__item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:color-mix(in oklab,var(--primary) 32%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide__item::before{counter-increment:bca-g;content:counter(bca-g,decimal-leading-zero);position:absolute;left:var(--sp-3);top:var(--sp-4);font-size:var(--fs-xs);font-weight:900;color:var(--accent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide__item h3{margin:0 0 var(--sp-2);font-size:var(--fs-md);font-weight:800;line-height:var(--lh-snug);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide__item p{margin:0;color:var(--muted);font-size:var(--fs-sm);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide__item code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:var(--fs-xs);background:color-mix(in oklab,var(--primary) 10%,transparent);color:var(--primary);padding:1px 6px;border-radius:6px;overflow-wrap:break-word;}

/* ---------- 客户评价 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-4);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-5);box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:var(--sp-3);min-width:0;transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quote:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:color-mix(in oklab,var(--primary) 32%,transparent);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quote__mark{font-size:var(--fs-2xl);font-weight:900;line-height:.7;color:var(--accent-2);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quote blockquote{margin:0;font-size:var(--fs-sm);color:var(--text);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quote figcaption{display:flex;align-items:center;gap:var(--sp-3);font-size:var(--fs-xs);color:var(--muted);margin-top:auto;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-avatar{width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;background:color-mix(in oklab,var(--primary) 16%,transparent);color:var(--primary);font-weight:900;font-size:var(--fs-xs);}

/* ---------- CTA 色带 ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-cta{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,color-mix(in oklab,var(--primary) 14%,var(--bg)),color-mix(in oklab,var(--secondary) 8%,var(--bg)));box-shadow:var(--sh-2);padding:var(--sp-6);display:grid;grid-template-columns:1.4fr .6fr;gap:var(--sp-5);align-items:center;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-cta h2{margin:var(--sp-2) 0;font-size:var(--fs-xl);font-weight:900;line-height:var(--lh-snug);letter-spacing:-.02em;text-wrap:balance;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-cta p{margin:0;color:var(--muted);font-size:var(--fs-sm);max-width:56ch;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-cta__side{display:flex;flex-direction:column;gap:var(--sp-3);min-width:0;}

/* ---------- 页脚（非对称） ---------- */
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot{border-top:1px solid var(--line);background:var(--surface);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--sp-5);padding:var(--sp-6) 0 var(--sp-5);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot__grid > div{min-width:0;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot h3{margin:0 0 var(--sp-3);font-size:var(--fs-xs);font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:var(--sp-2);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot li{font-size:var(--fs-sm);color:var(--muted);overflow-wrap:break-word;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot a{transition:color var(--t-fast) var(--ease);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot a:hover{color:var(--primary);}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot p{overflow-wrap:break-word;}
.design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot__bar{display:flex;flex-wrap:wrap;gap:var(--sp-3);justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:var(--sp-4) 0;font-size:var(--fs-xs);color:var(--muted);}

/* ---------- 响应式 ---------- */
@media (min-width:1600px){
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-wrap{max-width:var(--container-lg);padding-block:var(--sp-7);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-masonry{grid-template-columns:repeat(4,minmax(0,1fr));}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news{grid-template-columns:repeat(4,minmax(0,1fr));}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-partners{grid-template-columns:repeat(6,minmax(0,1fr));}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quotes{grid-template-columns:repeat(4,minmax(0,1fr));}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (min-width:1920px){
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-wrap{max-width:var(--container-xl);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg{--fs-3xl:clamp(2.8rem,2rem + 3vw,3.9rem);--fs-2xl:clamp(2.1rem,1.6rem + 2vw,3.1rem);}
}
@media (max-width:1024px){
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-masonry{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quotes{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-partners{grid-template-columns:repeat(3,minmax(0,1fr));}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-feature{grid-template-columns:1fr;gap:var(--sp-4);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-cta{grid-template-columns:1fr;gap:var(--sp-4);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-nav{flex-wrap:wrap;gap:var(--sp-2);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-nav__links{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:var(--sp-1);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-nav__links a{white-space:nowrap;}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__metrics{grid-template-columns:1fr;gap:var(--sp-3);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-masonry,
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-news,
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quotes,
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide{grid-template-columns:minmax(0,1fr);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-partners{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl::before{left:7px;transform:none;}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item{width:100%;align-self:stretch !important;padding-left:var(--sp-5);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item:nth-child(odd) .bca-tl__node,
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-tl__item:nth-child(even) .bca-tl__node{left:1px;right:auto;}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-foot__grid{grid-template-columns:1fr;}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__visual{aspect-ratio:4/3;}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__actions .bca-btn{flex:1 1 auto;}
}
@media (max-width:380px){
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-wrap{padding:var(--sp-4) var(--sp-3);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-card,
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-quote,
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-cta{padding:var(--sp-4);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-partners{grid-template-columns:minmax(0,1fr);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__title{font-size:clamp(1.7rem,7.5vw,2.2rem);}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-index{font-size:2.6rem;}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-guide__item{padding:var(--sp-4) var(--sp-3) var(--sp-4) var(--sp-6);}
}
@media (prefers-reduced-motion:reduce){
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-anim,
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-blob,
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-hero__visual img,
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg .bca-notice .bca-dot{animation:none !important;}
  .design-style-blockchain_application_development_creative_infinite_parallax_web_design_dtg *{transition-duration:.01ms !important;}
}