:root{
  --bg:#ffffff;
  --ink:#0A0A0F;
  --muted:#5A5A66;
  --faint:#9090A0;
  --line:rgba(10,10,15,.08);
  --hair:#EAEAF2;
  --inner:#F7F7FB;

  --c1:#6E5BFF;   /* 紫 */
  --c2:#00C2FF;   /* 青 */
  --c-soft:#F2F0FF;
  --grad: linear-gradient(135deg, #6E5BFF 0%, #00C2FF 100%);
  --grad-soft: linear-gradient(135deg, rgba(110,91,255,.10) 0%, rgba(0,194,255,.10) 100%);
  --ok:#16B364;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* NAV */
nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--hair)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:18px;letter-spacing:-.4px}
.brand svg{display:block}
.links{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.links a{transition:color .15s}
.links a:hover,.links a.active{color:var(--ink)}
.btn{font-size:14px;font-weight:500;border:none;cursor:pointer;border-radius:980px;padding:10px 22px;transition:transform .15s, box-shadow .15s, background .15s;font-family:inherit}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 24px -8px rgba(110,91,255,.6)}
.btn-grad:hover{transform:translateY(-1px);box-shadow:0 12px 28px -8px rgba(110,91,255,.75)}
.btn-ghost{background:rgba(255,255,255,.7);color:var(--ink);box-shadow:inset 0 0 0 1px var(--hair)}
.btn-ghost:hover{background:#fff;box-shadow:inset 0 0 0 1px #d0d0e0}
.btn-lg{padding:14px 30px;font-size:15px}
.nav-cta{display:flex;align-items:center;gap:12px}

/* HERO */
.hero{position:relative;text-align:center;padding:120px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-200px;left:50%;transform:translateX(-50%);
  width:1200px;height:700px;
  background:radial-gradient(ellipse at center, rgba(110,91,255,.25) 0%, rgba(0,194,255,.12) 35%, transparent 70%);
  z-index:-1;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;top:80px;left:50%;transform:translateX(-50%);
  width:600px;height:2px;background:var(--grad);opacity:.5;filter:blur(8px);
  z-index:-1;pointer-events:none;
}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--grad-soft);color:var(--c1);
  font-size:12px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:26px;letter-spacing:.3px;
  border:1px solid rgba(110,91,255,.15)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);display:inline-block}
h1{font-size:clamp(38px,6vw,64px);font-weight:600;letter-spacing:-2.4px;line-height:1.06}
.hero h1{max-width:900px;margin:0 auto}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.sub{font-size:19px;color:var(--muted);max-width:680px;margin:22px auto 0;line-height:1.8}
.hero-cta{margin-top:38px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:1.5px;color:var(--c1);text-transform:uppercase;margin-bottom:14px}

/* SECTIONS */
section{padding:88px 0;border-top:1px solid var(--hair);position:relative}
.sec-h{font-size:clamp(26px,4vw,40px);font-weight:600;letter-spacing:-1.6px;text-align:center}
.sec-s{text-align:center;color:var(--muted);font-size:17px;margin:14px auto 52px;max-width:600px;line-height:1.7}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:#fff;border-radius:18px;padding:30px;
  box-shadow:0 0 0 1px var(--hair), 0 1px 2px rgba(10,10,15,.04);
  transition:transform .2s, box-shadow .2s}
.card:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(110,91,255,.25), 0 12px 32px -8px rgba(110,91,255,.18)}
.card-icon{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--c1)}
.card h3{font-size:18px;font-weight:600;letter-spacing:-.4px;margin-bottom:10px;line-height:1.4}
.card p{color:var(--muted);font-size:15px;line-height:1.65}
.card .big{font-size:30px;font-weight:600;letter-spacing:-1px;color:var(--c1)}

/* METRICS */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.metric{text-align:center;padding:36px 18px;border-radius:18px;background:#fff;
  box-shadow:0 0 0 1px var(--hair), 0 1px 2px rgba(10,10,15,.04);transition:transform .2s, box-shadow .2s}
.metric:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(110,91,255,.25), 0 12px 32px -8px rgba(110,91,255,.18)}
.metric .num{font-size:46px;font-weight:600;letter-spacing:-1.8px;line-height:1.1}
.metric .lab{color:var(--muted);font-size:14px;margin-top:10px;line-height:1.5}

/* BENTO */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.bento .cell{background:#fff;border-radius:18px;padding:28px;
  box-shadow:0 0 0 1px var(--hair), 0 1px 2px rgba(10,10,15,.04);transition:transform .2s, box-shadow .2s}
.bento .cell:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(110,91,255,.25), 0 12px 32px -8px rgba(110,91,255,.18)}
.bento .col-2{grid-column:span 2}
.bento .col-3{grid-column:span 3}
.bento .col-4{grid-column:span 4}
.bento .row-2{grid-row:span 2}
.cell .k{font-size:13px;font-weight:600;color:var(--c1);letter-spacing:.5px;margin-bottom:10px}
.cell h3{font-size:20px;font-weight:600;letter-spacing:-.5px;margin-bottom:10px}
.cell p{color:var(--muted);font-size:15px;line-height:1.7}

/* FINAL CTA BAND */
.band{position:relative;background:var(--grad);color:#fff;border-radius:24px;padding:68px 32px;text-align:center;margin:0 0 8px;overflow:hidden}
.band::before{content:"";position:absolute;top:-50%;left:-10%;width:60%;height:200%;
  background:radial-gradient(ellipse, rgba(255,255,255,.18) 0%, transparent 60%);pointer-events:none}
.band h2{font-size:clamp(26px,4vw,40px);font-weight:600;letter-spacing:-1.6px;position:relative}
.band p{color:rgba(255,255,255,.88);margin:16px 0 30px;font-size:17px;position:relative}
.band .btn{background:#fff;color:var(--c1);font-weight:600;box-shadow:0 12px 32px -8px rgba(0,0,0,.25);position:relative}
.band .btn:hover{background:#fafafa;transform:translateY(-1px)}

/* FOOTER */
footer{padding:46px 0 60px;border-top:1px solid var(--hair);color:var(--faint);font-size:13px;margin-top:88px}
.foot-in{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.foot-in a{color:var(--c1)}
.vals{color:var(--muted)}

/* ---- ABOUT specific ---- */
.lead{max-width:760px;margin:0 auto;font-size:18px;color:var(--muted);line-height:1.9;text-align:center}
.about-hero{padding:104px 0 40px;text-align:center}
.about-hero h1{margin-bottom:18px}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:8px}
.info-card{background:var(--inner);border-radius:14px;padding:20px 22px;border:1px solid var(--hair)}
.info-card .lab{font-size:13px;color:var(--faint);margin-bottom:6px}
.info-card .val{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.value-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.value-row .v{background:#fff;border-radius:16px;padding:26px 22px;box-shadow:0 0 0 1px var(--hair);transition:transform .2s,box-shadow .2s}
.value-row .v:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(110,91,255,.25),0 12px 32px -8px rgba(110,91,255,.18)}
.value-row .v .ic{width:38px;height:38px;border-radius:10px;background:var(--grad-soft);color:var(--c1);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.value-row .v h4{font-size:17px;font-weight:600;margin-bottom:8px}
.value-row .v p{font-size:14px;color:var(--muted);line-height:1.6}

/* ---- SERVICES flow ---- */
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;counter-reset:step}
.step{position:relative;background:#fff;border-radius:18px;padding:28px 26px 26px;
  box-shadow:0 0 0 1px var(--hair),0 1px 2px rgba(10,10,15,.04);transition:transform .2s,box-shadow .2s}
.step:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(110,91,255,.25),0 12px 32px -8px rgba(110,91,255,.18)}
.step .num{position:absolute;top:22px;right:24px;font-size:40px;font-weight:700;letter-spacing:-2px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;opacity:.18}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.65}

/* ---- PRICING ---- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px;align-items:stretch}
.price-card{position:relative;background:#fff;border-radius:22px;padding:34px 30px;display:flex;flex-direction:column;
  box-shadow:0 0 0 1px var(--hair),0 1px 2px rgba(10,10,15,.04);transition:transform .2s,box-shadow .2s}
.price-card:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(110,91,255,.25),0 18px 40px -12px rgba(110,91,255,.22)}
.price-card.featured{box-shadow:0 0 0 2px var(--c1),0 18px 44px -12px rgba(110,91,255,.4)}
.price-card .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;
  font-size:12px;font-weight:600;padding:5px 16px;border-radius:999px;box-shadow:0 8px 20px -6px rgba(110,91,255,.6)}
.price-card .plan{font-size:15px;color:var(--muted);font-weight:600;letter-spacing:.3px}
.price-card .price{font-size:44px;font-weight:600;letter-spacing:-2px;margin:14px 0 2px}
.price-card .price small{font-size:16px;font-weight:500;color:var(--muted);letter-spacing:0}
.price-card .per{font-size:13px;color:var(--faint);margin-bottom:18px}
.price-card .spec{display:flex;justify-content:space-between;font-size:14px;padding:12px 0;border-top:1px solid var(--hair);color:var(--ink)}
.price-card .spec span:last-child{font-weight:600}
.price-card ul{list-style:none;margin:18px 0 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.price-card li{font-size:14px;color:var(--muted);line-height:1.5;padding-left:26px;position:relative}
.price-card li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;
  background:var(--grad-soft);background-image:url("data:image/svg+xml,%3Csvg width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%236E5BFF' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}
.price-card .btn{width:100%;text-align:center}
.note{font-size:13px;color:var(--faint);text-align:center;margin-top:18px;line-height:1.6}

.promise-box{margin-top:26px;background:var(--inner);border:1px solid var(--hair);border-radius:18px;padding:30px 32px}
.promise-box h3{font-size:20px;font-weight:600;margin-bottom:18px;text-align:center}
.promise-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.promise-list .p{display:flex;gap:14px;align-items:flex-start}
.promise-list .p .ic{flex:none;width:34px;height:34px;border-radius:10px;background:var(--grad-soft);color:var(--c1);
  display:flex;align-items:center;justify-content:center;margin-top:2px}
.promise-list .p h4{font-size:15px;font-weight:600;margin-bottom:4px}
.promise-list .p p{font-size:13.5px;color:var(--muted);line-height:1.6}

.refer{margin-top:22px;background:#fff;border-radius:18px;padding:30px 32px;box-shadow:0 0 0 1px var(--hair)}
.refer h3{font-size:19px;font-weight:600;margin-bottom:6px}
.refer .sub2{font-size:14px;color:var(--muted);margin-bottom:18px}
.refer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.refer-grid .r{text-align:center;background:var(--inner);border-radius:14px;padding:22px 16px;border:1px solid var(--hair)}
.refer-grid .r .n{font-size:28px;font-weight:600;letter-spacing:-1px;color:var(--c1)}
.refer-grid .r .d{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5}

/* ---- CASES ---- */
.quote{background:#fff;border-radius:18px;padding:34px 32px;box-shadow:0 0 0 1px var(--hair);max-width:760px;margin:0 auto}
.quote .q{font-size:20px;color:var(--ink);line-height:1.8;font-weight:500}
.quote .who{font-size:14px;color:var(--faint);margin-top:16px}
.placeholder-note{text-align:center;color:var(--faint);font-size:13px;margin-top:22px;line-height:1.6;
  background:var(--inner);border:1px dashed var(--hair);border-radius:12px;padding:16px 20px;max-width:620px;margin-left:auto;margin-right:auto}

/* breadcrumb */
.crumb{font-size:13px;color:var(--faint);padding:22px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--c1)}

@media(max-width:900px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento .col-2,.bento .col-3,.bento .col-4{grid-column:span 2}
  .price-grid{grid-template-columns:1fr}
  .refer-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
}
@media(max-width:768px){
  .links{display:none}
  .hero{padding:84px 0 56px}
  section{padding:60px 0}
  .band{padding:52px 22px;margin:0 0 4px}
  .bento{grid-template-columns:1fr}
  .bento .col-2,.bento .col-3,.bento .col-4{grid-column:span 1}
}