/* ============================================================
   BW GAMING · 全球棋牌游戏接口服务商
   Visual: deep navy trading-terminal, electric blue→cyan signal
   ============================================================ */

:root{
  --bg:#05080f;
  --bg-2:#080e1c;
  --bg-3:#0b1424;
  --ink:#eaf1fc;
  --ink-2:#a9bbd6;
  --ink-3:#6b7d99;
  --line:rgba(132,168,220,.14);
  --line-strong:rgba(132,168,220,.28);
  --blue:#4f8ef7;
  --blue-deep:#2f6fe4;
  --cyan:#46c8f5;
  --grad:linear-gradient(92deg,#4f8ef7 0%,#46c8f5 100%);
  --maxw:1180px;
  --ease:cubic-bezier(.22,.8,.24,1);
  --head:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"SF Mono","JetBrains Mono",Consolas,"Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--head);
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{list-style:none}
::selection{background:rgba(70,200,245,.32);color:#fff}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(6,11,22,.86);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.12em;font-size:15px}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--grad);
  display:grid;place-items:center;
  font-weight:900;font-size:15px;color:#04101f;letter-spacing:0;
  box-shadow:0 4px 18px rgba(70,160,245,.45);
}
.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.32em;color:var(--ink-3);margin-top:1px}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{
  font-size:14.5px;color:var(--ink-2);font-weight:500;letter-spacing:.04em;
  position:relative;padding:6px 0;transition:color .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--grad);transition:right .3s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-tg{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 20px;border-radius:100px;font-size:14px;font-weight:700;
  color:#04121f;background:var(--grad);
  box-shadow:0 6px 20px rgba(70,160,245,.35);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-tg:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(70,160,245,.5)}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 34px;border-radius:100px;font-weight:700;font-size:15.5px;letter-spacing:.03em;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s,border-color .28s;
}
.btn-primary{background:var(--grad);color:#04121f;box-shadow:0 12px 36px rgba(70,160,245,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 46px rgba(70,160,245,.55)}
.btn-ghost{border:1px solid var(--line-strong);color:var(--ink);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(70,200,245,.08);transform:translateY(-3px)}
.btn .tg-ic{width:18px;height:18px;fill:currentColor}

/* ---------- HERO ---------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:center;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:heroZoom 24s var(--ease) forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero-mask{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(5,8,15,.82) 0%,rgba(5,9,18,.58) 42%,rgba(5,8,15,.96) 100%),
    linear-gradient(90deg,rgba(5,8,15,.9) 0%,rgba(5,8,15,.45) 55%,rgba(5,8,15,.15) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:
    linear-gradient(rgba(120,170,240,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,240,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 30%,transparent 75%);
}
#netCanvas{position:absolute;inset:0;z-index:1;opacity:.55}
.hero-glow{
  position:absolute;z-index:1;width:720px;height:720px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,130,246,.22),transparent 65%);
  top:-180px;right:-140px;filter:blur(20px);
  animation:glowDrift 14s ease-in-out infinite alternate;
}
@keyframes glowDrift{to{transform:translate(-70px,60px) scale(1.12)}}

.hero-inner{position:relative;z-index:2;padding:130px 0 90px;max-width:820px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.34em;color:var(--cyan);font-weight:600;
  margin-bottom:26px;text-transform:uppercase;
  opacity:0;animation:riseIn .9s var(--ease) .15s forwards;
}
.hero-eyebrow::before{content:"";width:34px;height:1px;background:var(--cyan)}
.hero h1{
  font-size:clamp(38px,6.4vw,72px);
  line-height:1.12;font-weight:900;letter-spacing:-.01em;
  margin-bottom:26px;
  opacity:0;animation:riseIn .9s var(--ease) .3s forwards;
}
.hero h1 .grad{
  background:linear-gradient(92deg,#7db1ff,#46c8f5 60%,#8fe7ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{
  font-size:clamp(16px,2vw,19px);color:var(--ink-2);max-width:620px;
  margin-bottom:40px;font-weight:400;
  opacity:0;animation:riseIn .9s var(--ease) .45s forwards;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;opacity:0;animation:riseIn .9s var(--ease) .6s forwards}
@keyframes riseIn{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:translateY(0)}}

.hero-stats{
  margin-top:74px;padding-top:34px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  opacity:0;animation:riseIn .9s var(--ease) .8s forwards;
}
.hero-stats .num{
  font-size:clamp(28px,3.4vw,40px);font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;
}
.hero-stats .num em{font-style:normal;font-size:.56em;margin-left:2px}
.hero-stats .lab{font-size:13px;color:var(--ink-3);margin-top:7px;letter-spacing:.06em}

.scroll-hint{
  position:absolute;z-index:2;bottom:30px;left:50%;transform:translateX(-50%);
  color:var(--ink-3);font-size:11px;letter-spacing:.3em;
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.scroll-hint::after{content:"";width:1px;height:42px;background:linear-gradient(var(--cyan),transparent);animation:dropLine 1.8s var(--ease) infinite}
@keyframes dropLine{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 通用区块 ---------- */
.section{padding:110px 0;position:relative}
.section-head{max-width:760px;margin-bottom:66px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--cyan);font-size:12.5px;font-weight:700;letter-spacing:.3em;margin-bottom:18px;
}
.kicker::before{content:"";width:26px;height:1px;background:var(--cyan)}
.section-head.center .kicker{justify-content:center}
.section-head.center .kicker::before{display:none}
.section h2{
  font-size:clamp(28px,4vw,44px);font-weight:850;line-height:1.22;letter-spacing:-.01em;margin-bottom:18px;
}
.section-head p{color:var(--ink-2);font-size:16.5px;max-width:660px}
.section-head.center p{margin:0 auto}

/* ---------- 业务编号行（cardless 编辑式） ---------- */
.service-list{border-top:1px solid var(--line)}
.service-row{
  display:grid;grid-template-columns:90px 1fr auto;gap:34px;align-items:center;
  padding:38px 18px;border-bottom:1px solid var(--line);
  position:relative;transition:background .35s var(--ease),padding-left .35s var(--ease);
}
.service-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--grad);transform:scaleY(0);transition:transform .35s var(--ease);
}
.service-row:hover{background:linear-gradient(90deg,rgba(70,160,245,.08),transparent 62%);padding-left:30px}
.service-row:hover::before{transform:scaleY(1)}
.service-row .idx{
  font-family:var(--mono);font-size:15px;color:var(--ink-3);
  transition:color .35s;letter-spacing:.05em;
}
.service-row:hover .idx{color:var(--cyan)}
.service-row h3{font-size:22px;font-weight:750;margin-bottom:8px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.service-row .desc{color:var(--ink-2);font-size:15px;max-width:680px}
.service-row .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.service-row .tags span{
  font-size:12px;color:var(--ink-3);border:1px solid var(--line);
  padding:3px 12px;border-radius:100px;letter-spacing:.04em;
}
.service-row .go{
  width:52px;height:52px;border-radius:50%;border:1px solid var(--line-strong);
  display:grid;place-items:center;color:var(--ink-3);
  transition:.35s var(--ease);flex-shrink:0;
}
.service-row .go svg{width:18px;height:18px}
.service-row:hover .go{background:var(--grad);border-color:transparent;color:#04121f;transform:rotate(-45deg)}

/* ---------- 图文特性 ---------- */
.duo{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.duo.reverse{grid-template-columns:.95fr 1.05fr}
.duo.reverse .duo-media{order:2}
.duo-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.duo-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 1.2s var(--ease)}
.duo-media:hover img{transform:scale(1.05)}
.duo-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(5,8,15,.55));
  pointer-events:none;
}
.duo-media .badge{
  position:absolute;left:20px;bottom:18px;z-index:2;
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:var(--cyan);
  display:flex;align-items:center;gap:9px;
}
.duo-media .badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.35}}
.feature-list{margin-top:30px;border-top:1px solid var(--line)}
.feature-list li{
  display:flex;gap:16px;padding:19px 2px;border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--ink-2);
}
.feature-list li strong{color:var(--ink);font-weight:700;display:block;margin-bottom:2px;font-size:16px}
.feature-list .tick{
  flex-shrink:0;width:24px;height:24px;margin-top:3px;border-radius:50%;
  background:rgba(70,200,245,.12);color:var(--cyan);
  display:grid;place-items:center;
}
.feature-list .tick svg{width:13px;height:13px}

/* 深色交错背景 */
.alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.tint{
  background:
    radial-gradient(ellipse 70% 60% at 80% 0%,rgba(56,130,246,.1),transparent 60%),
    var(--bg-2);
}

/* ---------- 数据指标条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden;background:rgba(255,255,255,.015)}
.metrics div{padding:42px 34px;border-right:1px solid var(--line)}
.metrics div:last-child{border-right:0}
.metrics .n{font-size:38px;font-weight:850;font-family:var(--mono)}
.metrics .n i{font-style:normal;color:var(--cyan)}
.metrics .l{color:var(--ink-3);font-size:13.5px;margin-top:8px;letter-spacing:.05em}

/* ---------- 接口产品栅格（规格表风格） ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.spec-cell{padding:40px 34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.012);transition:background .3s}
.spec-cell:nth-child(3n){border-right:0}
.spec-cell:nth-last-child(-n+3){border-bottom:0}
.spec-cell:hover{background:rgba(70,160,245,.07)}
.spec-cell .ic{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(70,160,245,.12);color:var(--cyan);margin-bottom:22px;
}
.spec-cell .ic svg{width:23px;height:23px}
.spec-cell h3{font-size:18px;font-weight:750;margin-bottom:10px}
.spec-cell p{font-size:14px;color:var(--ink-2)}

/* ---------- 宽幅产品展示 ---------- */
.showcase{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);min-height:440px;display:flex;align-items:flex-end}
.showcase img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.showcase::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,15,.92) 0%,rgba(5,8,15,.62) 45%,rgba(5,8,15,.15) 100%)}
.showcase .cap{position:relative;z-index:2;padding:56px;max-width:560px}
.showcase .cap h3{font-size:clamp(24px,3vw,34px);font-weight:850;line-height:1.3;margin-bottom:14px}
.showcase .cap p{color:var(--ink-2);margin-bottom:26px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;counter-reset:step}
.step{position:relative;padding-top:26px}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--mono);font-size:46px;font-weight:800;
  background:linear-gradient(180deg,rgba(70,160,245,.9),rgba(70,200,245,.15));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;display:block;margin-bottom:22px;
}
.step::after{content:"";position:absolute;top:52px;left:104px;right:-13px;height:1px;background:linear-gradient(90deg,var(--line-strong),transparent)}
.step:last-child::after{display:none}
.step h3{font-size:18px;font-weight:750;margin-bottom:9px}
.step p{font-size:14px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:27px 6px;font-size:17.5px;font-weight:650;transition:color .25s,padding-left .3s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--cyan);padding-left:16px}
.faq-item summary .plus{flex-shrink:0;width:34px;height:34px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;position:relative;transition:.3s var(--ease)}
.faq-item summary .plus::before,.faq-item summary .plus::after{content:"";position:absolute;background:currentColor;width:14px;height:2px;border-radius:2px}
.faq-item summary .plus::after{transform:rotate(90deg)}
.faq-item[open] summary .plus{background:var(--grad);border-color:transparent;color:#04121f;transform:rotate(135deg)}
.faq-item .a{padding:0 6px 28px 44px;color:var(--ink-2);font-size:15px}
.faq-item .a strong{color:var(--ink)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:26px;overflow:hidden;text-align:center;
  padding:96px 40px;border:1px solid rgba(70,160,245,.3);
  background:
    radial-gradient(ellipse 60% 90% at 50% 0%,rgba(56,130,246,.22),transparent 70%),
    linear-gradient(180deg,var(--bg-3),var(--bg-2));
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,170,240,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,240,.06) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 70% 80% at 50% 30%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 30%,#000,transparent 72%);
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(28px,4.4vw,46px);font-weight:900;margin-bottom:16px;letter-spacing:-.01em}
.cta-band p{color:var(--ink-2);max-width:560px;margin:0 auto 38px;font-size:16.5px}
.tg-handle{
  display:inline-flex;align-items:center;gap:10px;margin-top:26px;
  font-family:var(--mono);font-size:15px;color:var(--ink-3);letter-spacing:.08em;
}
.tg-handle b{color:var(--cyan);font-weight:700}

/* ---------- 页面头部（内页 hero 小版） ---------- */
.page-hero{
  position:relative;padding:170px 0 90px;
  background:radial-gradient(ellipse 75% 70% at 70% -10%,rgba(56,130,246,.18),transparent 60%);
  border-bottom:1px solid var(--line);overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,170,240,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,240,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 80% at 50% 0%,#000,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 80% 80% at 50% 0%,#000,transparent 70%);
}
.page-hero .wrap{position:relative;z-index:1}
.crumbs{font-size:13px;color:var(--ink-3);margin-bottom:22px;letter-spacing:.05em}
.crumbs a:hover{color:var(--cyan)}
.crumbs span{margin:0 10px;opacity:.5}
.page-hero h1{font-size:clamp(32px,5vw,54px);font-weight:900;line-height:1.16;max-width:840px;margin-bottom:20px;letter-spacing:-.01em}
.page-hero h1 .grad{background:linear-gradient(92deg,#7db1ff,#46c8f5);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero p{color:var(--ink-2);font-size:17px;max-width:680px}

/* 内页文区块 */
.prose{max-width:820px;font-size:16px;color:var(--ink-2)}
.prose h2{font-size:26px;color:var(--ink);font-weight:800;margin:52px 0 16px;letter-spacing:-.01em}
.prose h3{font-size:19px;color:var(--ink);font-weight:750;margin:34px 0 10px}
.prose p{margin-bottom:16px}
.prose ul{margin:0 0 18px 0;padding-left:4px}
.prose ul li{position:relative;padding-left:26px;margin-bottom:10px}
.prose ul li::before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}
.prose strong{color:var(--ink)}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14.5px}
.prose th,.prose td{border:1px solid var(--line);padding:14px 18px;text-align:left}
.prose th{background:rgba(70,160,245,.08);color:var(--ink);font-weight:700;white-space:nowrap}
.prose td{color:var(--ink-2)}
.prose code{font-family:var(--mono);background:rgba(70,160,245,.1);padding:2px 8px;border-radius:6px;font-size:13.5px;color:#9fd8ff}
.prose pre{background:#081120;border:1px solid var(--line);border-radius:14px;padding:22px 24px;overflow-x:auto;margin:24px 0}
.prose pre code{background:none;padding:0;color:#bcd6f5;font-size:13.5px;line-height:1.8;letter-spacing:.01em}
.prose .tok-c{color:#5d7597}.prose .tok-k{color:#7ab8ff}.prose .tok-s{color:#8fe3b4}.prose .tok-n{color:#e8c882}
section[id],div[id]{scroll-margin-top:86px}
.code-window{border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:26px 0;background:#081120}
.code-window .cw-bar{display:flex;align-items:center;gap:8px;padding:13px 18px;border-bottom:1px solid var(--line);background:#0b1526}
.code-window .cw-bar i{width:11px;height:11px;border-radius:50%;display:block}
.code-window .cw-bar i:nth-child(1){background:#ff5f57}.code-window .cw-bar i:nth-child(2){background:#febc2e}.code-window .cw-bar i:nth-child(3){background:#28c840}
.code-window .cw-bar span{margin-left:10px;font-family:var(--mono);font-size:12.5px;color:var(--ink-3);letter-spacing:.05em}
.code-window pre{margin:0;border:0;border-radius:0}

/* 联系信息行 */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.contact-card{border:1px solid var(--line);border-radius:18px;padding:38px 32px;background:rgba(255,255,255,.015);transition:border-color .3s,transform .3s var(--ease)}
.contact-card:hover{border-color:rgba(70,200,245,.5);transform:translateY(-4px)}
.contact-card .ic{width:48px;height:48px;border-radius:13px;background:rgba(70,160,245,.12);color:var(--cyan);display:grid;place-items:center;margin-bottom:22px}
.contact-card .ic svg{width:24px;height:24px}
.contact-card h3{font-size:18px;margin-bottom:8px}
.contact-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:14px}
.contact-card .val{font-family:var(--mono);font-size:16px;color:var(--cyan);font-weight:700;word-break:break-all}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:80px 0 34px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;margin-bottom:60px}
.footer-about p{color:var(--ink-3);font-size:13.5px;margin-top:18px;max-width:320px}
.footer-col h4{font-size:13.5px;letter-spacing:.18em;color:var(--ink);margin-bottom:22px;font-weight:700}
.footer-col a{display:block;color:var(--ink-3);font-size:14px;padding:6px 0;transition:color .25s,padding-left .25s}
.footer-col a:hover{color:var(--cyan);padding-left:6px}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:30px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  color:var(--ink-3);font-size:13px;
}
.footer-bottom .flinks{display:flex;gap:24px;flex-wrap:wrap}
.footer-bottom .flinks a:hover{color:var(--cyan)}

/* ---------- 浮动 TG ---------- */
.float-tg{
  position:fixed;right:26px;bottom:30px;z-index:90;
  display:flex;align-items:center;gap:10px;
  background:var(--grad);color:#04121f;font-weight:800;font-size:14.5px;
  padding:14px 22px;border-radius:100px;
  box-shadow:0 12px 34px rgba(40,140,240,.5);
  transition:transform .3s var(--ease),box-shadow .3s;
  animation:floatPulse 2.8s ease-in-out infinite;
}
.float-tg:hover{transform:translateY(-4px) scale(1.03);animation:none}
.float-tg svg{width:20px;height:20px;fill:currentColor}
@keyframes floatPulse{0%,100%{box-shadow:0 12px 34px rgba(40,140,240,.45)}50%{box-shadow:0 12px 44px rgba(70,200,245,.75)}}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(38px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .spec-cell:nth-child(3n){border-right:1px solid var(--line)}
  .spec-cell:nth-child(2n){border-right:0}
  .spec-cell:nth-last-child(-n+3){border-bottom:1px solid var(--line)}
  .spec-cell:nth-last-child(-n+2){border-bottom:0}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metrics div:nth-child(2){border-right:0}
  .metrics div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:repeat(2,1fr);gap:40px 26px}
  .step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:760px){
  body{font-size:15px}
  .wrap{padding:0 20px}
  .section{padding:74px 0}
  .nav-links{
    position:fixed;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(6,11,22,.97);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
    padding:10px 20px 24px;
    transform:translateY(-130%);transition:transform .4s var(--ease);
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:15px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-links .nav-tg{margin-top:16px;justify-content:center}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero-inner{padding:118px 0 70px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:28px 16px;margin-top:52px}
  .scroll-hint{display:none}
  .duo,.duo.reverse{grid-template-columns:1fr;gap:40px}
  .duo.reverse .duo-media{order:0}
  .service-row{grid-template-columns:52px 1fr;gap:18px;padding:30px 6px}
  .service-row .go{display:none}
  .spec-grid{grid-template-columns:1fr}
  .spec-cell{border-right:0!important}
  .spec-cell:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .spec-cell:last-child{border-bottom:0}
  .metrics{grid-template-columns:1fr 1fr}
  .metrics div{padding:28px 20px;min-width:0}
  .metrics .n{font-size:26px}
  .steps{grid-template-columns:1fr}
  .showcase .cap{padding:36px 26px}
  .cta-band{padding:66px 24px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .faq-item .a{padding-left:6px}
  .hide-m{display:none}
  .float-tg{right:16px;bottom:20px;padding:12px 18px;font-size:14px}
  .float-tg .ft-text{display:none}
  .prose table{display:block;overflow-x:auto;min-width:560px}
}