*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:#111225;
  background:#fdfcfa;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(circle at 8% 2%, rgba(91,43,255,.14), transparent 42%),
    radial-gradient(circle at 92% 5%, rgba(255,46,126,.13), transparent 40%),
    radial-gradient(circle at 48% 96%, rgba(0,201,167,.11), transparent 46%),
    linear-gradient(180deg,#fdfcfa 0%,#f7f5ff 100%);
}
img{max-width:100%;height:auto}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:#111225}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:#5b2bff}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px}
section[id]{scroll-margin-top:92px}
.section{padding:70px 0}
.section-head{max-width:780px;margin-bottom:38px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:#5b2bff;background:rgba(91,43,255,.09);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.section-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:#ff2e7e}
.section-title{font-size:clamp(24px,3.4vw,34px);line-height:1.3;margin-bottom:14px}
.section-desc{color:#5a5e75;font-size:16px}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(253,252,250,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(91,43,255,.1);
}
.nav-bar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.ai-page-logo{display:block;width:auto;max-height:40px}
.brand-name{font-size:18px;font-weight:800;color:#111225;letter-spacing:.02em;white-space:nowrap}
.nav{display:flex;align-items:center;gap:14px;flex-wrap:nowrap}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  display:block;padding:9px 11px;font-size:14.5px;font-weight:500;
  color:#3a3d55;text-decoration:none;border-radius:9px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#5b2bff;background:rgba(91,43,255,.08)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid #ddd7f5;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;padding:0;
}
.nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:#3a3d55;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:13px;font-size:15px;font-weight:700;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  font-family:inherit;line-height:1.2;
  transition:transform .18s ease,box-shadow .22s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{
  background:linear-gradient(120deg,#5b2bff 0%,#a02bff 50%,#ff2e7e 100%);
  color:#fff;box-shadow:0 12px 26px -12px rgba(91,43,255,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(91,43,255,.9)}
.btn-ghost{background:#fff;color:#221a4d;border-color:#ddd7f5}
.btn-ghost:hover{color:#5b2bff;border-color:#5b2bff;transform:translateY(-2px);box-shadow:0 12px 24px -16px rgba(91,43,255,.7)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:11px}

/* ===== hero ===== */
.hero{padding:58px 0 0}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;color:#8a2be2;letter-spacing:.1em;
  background:rgba(255,46,126,.09);border:1px solid rgba(255,46,126,.18);
  padding:7px 16px;border-radius:999px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:#ff2e7e;box-shadow:0 0 0 4px rgba(255,46,126,.18)}
h1{font-size:clamp(29px,4.4vw,50px);line-height:1.2;margin-bottom:18px;font-weight:800}
h1 em{font-style:normal;color:#5b2bff}
.hero-sub{font-size:16.5px;color:#4f5370;max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags li{
  font-size:13px;font-weight:600;color:#4a3a86;
  background:#fff;border:1px solid #e6e2f5;border-radius:999px;
  padding:7px 14px;
}
.hero-panel{
  background:#fff;border:1px solid #e9e5f8;border-radius:22px;
  padding:22px;box-shadow:0 30px 60px -34px rgba(50,26,130,.45);
  position:relative;overflow:hidden;
  animation:floatPanel 6s ease-in-out infinite;
}
.hero-panel::after{
  content:"";position:absolute;inset:-1px;border-radius:22px;pointer-events:none;
  background:linear-gradient(130deg,rgba(91,43,255,.35),rgba(255,46,126,.32),rgba(0,201,167,.3));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  padding:1.5px;opacity:.9;
}
@keyframes floatPanel{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.panel-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.panel-dots{display:flex;gap:6px}
.panel-dots i{display:block;width:9px;height:9px;border-radius:50%}
.panel-dots i:nth-child(1){background:#ff2e7e}
.panel-dots i:nth-child(2){background:#ffb020}
.panel-dots i:nth-child(3){background:#00c9a7}
.panel-title{font-size:13px;font-weight:700;color:#6a6e85;letter-spacing:.04em}
.chip-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:20px}
.chip-cloud span{
  font-size:13px;font-weight:700;padding:7px 13px;border-radius:10px;
  background:#f5f2ff;color:#4a2fb8;border:1px solid #e8e1ff;
}
.chip-cloud span:nth-child(3n+2){background:#fff1f6;color:#c01f5e;border-color:#ffdde8}
.chip-cloud span:nth-child(3n){background:#eafaf6;color:#0a7f6a;border-color:#cdf1e9}
.panel-foot{display:flex;gap:14px;border-top:1px dashed #e6e2f5;padding-top:16px}
.panel-foot div{flex:1;display:flex;flex-direction:column;gap:2px}
.panel-foot strong{font-size:22px;color:#5b2bff;line-height:1.2}
.panel-foot div:nth-child(2) strong{color:#ff2e7e}
.panel-foot span{font-size:12.5px;color:#6a6e85}

.stat-strip{
  margin-top:48px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:#eae6f8;border:1px solid #eae6f8;border-radius:18px;overflow:hidden;
}
.stat{background:#fff;padding:22px 18px;text-align:center}
.stat strong{display:block;font-size:24px;color:#5b2bff;line-height:1.3;margin-bottom:4px}
.stat:nth-child(2) strong{color:#ff2e7e}
.stat:nth-child(3) strong{color:#0a9c84}
.stat span{font-size:13.5px;color:#5a5e75}

/* ===== about ===== */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:start}
.about-text p{color:#4f5370;margin-bottom:16px}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 18px;margin-top:22px}
.check-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:#3a3d55;font-weight:600;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:linear-gradient(135deg,#5b2bff,#ff2e7e);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:10px;width:6px;height:3px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg);
}
.about-media{border-radius:20px;overflow:hidden;border:1px solid #e9e5f8;background:#fff;box-shadow:0 26px 50px -34px rgba(50,26,130,.5)}
.about-media img{display:block;width:100%;height:auto}

/* ===== services ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{
  background:#fff;border:1px solid #e9e5f8;border-radius:18px;padding:26px 22px 24px;
  position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.svc-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:4px;
  background:linear-gradient(90deg,#5b2bff,#ff2e7e);
}
.svc-card:nth-child(2)::before{background:linear-gradient(90deg,#ff2e7e,#ffb020)}
.svc-card:nth-child(3)::before{background:linear-gradient(90deg,#00c9a7,#5b2bff)}
.svc-card:nth-child(4)::before{background:linear-gradient(90deg,#ffb020,#ff2e7e)}
.svc-card:nth-child(5)::before{background:linear-gradient(90deg,#5b2bff,#00c9a7)}
.svc-card:nth-child(6)::before{background:linear-gradient(90deg,#ff2e7e,#00c9a7)}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 26px 44px -30px rgba(50,26,130,.55);border-color:#d9d1f6}
.svc-card h3{font-size:18px;margin-bottom:10px}
.svc-card p{font-size:14.5px;color:#5a5e75;margin-bottom:14px}
.svc-list li{font-size:13.5px;color:#4a2fb8;font-weight:600;padding-left:14px;position:relative;margin-bottom:6px}
.svc-list li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:#ff2e7e}

/* ===== one-stop ===== */
.onestop-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.media-stack{display:grid;gap:18px}
.media-stack figure{margin:0;border-radius:16px;overflow:hidden;border:1px solid #e9e5f8;background:#fff}
.media-stack img{display:block;width:100%;height:auto}
.step-list{display:grid;gap:16px}
.step-item{
  display:flex;gap:16px;align-items:flex-start;background:#fff;
  border:1px solid #e9e5f8;border-radius:16px;padding:20px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-item:hover{transform:translateX(5px);box-shadow:0 20px 36px -28px rgba(50,26,130,.5)}
.step-num{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;display:flex;
  align-items:center;justify-content:center;font-weight:800;font-size:16px;color:#fff;
  background:linear-gradient(135deg,#5b2bff,#ff2e7e);
}
.step-item:nth-child(2) .step-num{background:linear-gradient(135deg,#ff2e7e,#ffb020)}
.step-item:nth-child(3) .step-num{background:linear-gradient(135deg,#00c9a7,#5b2bff)}
.step-item:nth-child(4) .step-num{background:linear-gradient(135deg,#ffb020,#ff2e7e)}
.step-body h3{font-size:16.5px;margin-bottom:6px}
.step-body p{font-size:14px;color:#5a5e75}

/* ===== solutions ===== */
.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sol-card{
  background:#fff;border:1px solid #e9e5f8;border-radius:14px;padding:20px 18px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.sol-card:hover{transform:translateY(-4px);border-color:#ffc9dd;box-shadow:0 18px 32px -28px rgba(50,26,130,.55)}
.sol-card h3{font-size:15.5px;margin-bottom:8px;color:#221a4d}
.sol-card p{font-size:13.5px;color:#5a5e75}

/* ===== network ===== */
.network-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.net-card{
  background:#fff;border:1px solid #e9e5f8;border-left:4px solid #5b2bff;
  border-radius:14px;padding:20px;
}
.net-card:nth-child(2){border-left-color:#ff2e7e}
.net-card:nth-child(3){border-left-color:#00c9a7}
.net-card:nth-child(4){border-left-color:#ffb020}
.net-card:nth-child(5){border-left-color:#5b2bff}
.net-card:nth-child(6){border-left-color:#ff2e7e}
.net-card h3{font-size:16px;margin-bottom:8px}
.net-card p{font-size:14px;color:#5a5e75}

/* ===== process timeline ===== */
.timeline{position:relative;display:grid;gap:18px}
.timeline::before{
  content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,#5b2bff,#ff2e7e,#00c9a7);
}
.tl-item{position:relative;padding-left:56px}
.tl-dot{
  position:absolute;left:8px;top:16px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:3px solid #5b2bff;
}
.tl-item:nth-child(2) .tl-dot{border-color:#ff2e7e}
.tl-item:nth-child(3) .tl-dot{border-color:#00c9a7}
.tl-item:nth-child(4) .tl-dot{border-color:#ffb020}
.tl-item:nth-child(5) .tl-dot{border-color:#5b2bff}
.tl-card{background:#fff;border:1px solid #e9e5f8;border-radius:14px;padding:18px 20px}
.tl-card h3{font-size:16px;margin-bottom:6px}
.tl-card p{font-size:14px;color:#5a5e75}

/* ===== cases ===== */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.case-card{
  background:#fff;border:1px solid #e9e5f8;border-radius:18px;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-6px);box-shadow:0 26px 46px -32px rgba(50,26,130,.55)}
.case-top{padding:22px 22px 18px;color:#fff}
.case-top.g1{background:linear-gradient(120deg,#5b2bff,#a02bff)}
.case-top.g2{background:linear-gradient(120deg,#ff2e7e,#ff7a3d)}
.case-top.g3{background:linear-gradient(120deg,#00c9a7,#0b8ce8)}
.case-top.g4{background:linear-gradient(120deg,#ffb020,#ff2e7e)}
.case-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(255,255,255,.22);border-radius:999px;padding:4px 12px;margin-bottom:10px;
}
.case-top h3{font-size:18px;color:#fff}
.case-body{padding:20px 22px 24px}
.case-body p{font-size:14.5px;color:#5a5e75;margin-bottom:14px}
.case-meta{display:flex;flex-wrap:wrap;gap:8px}
.case-meta li{
  font-size:12.5px;font-weight:600;color:#4a2fb8;background:#f5f2ff;
  border-radius:8px;padding:5px 11px;
}

/* ===== compare ===== */
.compare-wrap{display:grid;grid-template-columns:280px 1fr;gap:26px;align-items:start}
.rating-card{
  background:linear-gradient(160deg,#1a1140,#3a1e7a 55%,#7a1b57);
  border-radius:20px;padding:28px 24px;color:#fff;
  box-shadow:0 30px 50px -30px rgba(50,26,130,.7);
}
.rating-card .stars{font-size:20px;letter-spacing:4px;color:#ffc53d;margin-bottom:10px}
.rating-card .score{font-size:46px;font-weight:800;line-height:1;color:#fff}
.rating-card .score span{font-size:16px;font-weight:600;color:#cfc6f2;margin-left:4px}
.rating-card .rate-note{font-size:13px;color:#d8d2f5;margin:8px 0 18px}
.rating-list li{
  font-size:13.5px;color:#e8e4f9;padding-left:16px;position:relative;margin-bottom:8px;
}
.rating-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:#ffc53d}
.table-wrap{overflow-x:auto;border:1px solid #e9e5f8;border-radius:16px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:660px}
thead th{
  background:#f7f4ff;color:#2a1a5e;font-size:14px;font-weight:800;
  text-align:left;padding:15px 16px;border-bottom:1px solid #e9e5f8;white-space:nowrap;
}
tbody td{
  font-size:14px;color:#4f5370;padding:14px 16px;border-bottom:1px solid #f1eefb;vertical-align:top;
}
tbody tr:last-child td{border-bottom:none}
tbody tr:nth-child(even){background:#fdfcff}
tbody td:first-child{font-weight:700;color:#221a4d;white-space:nowrap}
tbody td.best{color:#5b2bff;font-weight:700}

/* ===== token ===== */
.note{
  margin-top:16px;font-size:13px;color:#6a6e85;
  background:#f7f4ff;border-left:3px solid #5b2bff;border-radius:0 10px 10px 0;padding:12px 16px;
}

/* ===== reviews ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
  background:#fff;border:1px solid #e9e5f8;border-radius:16px;padding:24px 22px;
  display:flex;flex-direction:column;gap:14px;height:100%;
  transition:transform .25s ease,box-shadow .25s ease;
}
.review-card:hover{transform:translateY(-5px);box-shadow:0 24px 42px -32px rgba(50,26,130,.55)}
.review-text{font-size:14.5px;color:#3f4359;flex:1}
.review-user{display:flex;align-items:center;gap:12px;border-top:1px dashed #eae6f8;padding-top:14px}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 42px;display:flex;
  align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;
  background:linear-gradient(135deg,#5b2bff,#ff2e7e);
}
.review-card:nth-child(2) .avatar{background:linear-gradient(135deg,#ff2e7e,#ffb020)}
.review-card:nth-child(3) .avatar{background:linear-gradient(135deg,#00c9a7,#5b2bff)}
.review-card:nth-child(4) .avatar{background:linear-gradient(135deg,#ffb020,#ff2e7e)}
.review-card:nth-child(5) .avatar{background:linear-gradient(135deg,#5b2bff,#00c9a7)}
.review-card:nth-child(6) .avatar{background:linear-gradient(135deg,#ff2e7e,#0b8ce8)}
.review-user strong{display:block;font-size:14px;color:#221a4d;line-height:1.4}
.review-user span{font-size:12.5px;color:#6a6e85}

/* ===== form ===== */
.form-box{
  background:#fff;border:1px solid #e9e5f8;border-radius:20px;padding:30px;
  box-shadow:0 30px 56px -40px rgba(50,26,130,.5);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:700;color:#2a2c44}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14.5px;color:#111225;
  background:#fbfaff;border:1px solid #e2ddf5;border-radius:11px;
  padding:12px 14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#5b2bff;background:#fff;box-shadow:0 0 0 3px rgba(91,43,255,.13);
}
.field input::placeholder,.field textarea::placeholder{color:#9a9eb4}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px}
.form-tip{font-size:13px;color:#6a6e85}

/* ===== help tags ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:11px}
.tag-cloud a{
  display:inline-block;font-size:14px;font-weight:600;color:#3a3d55;
  background:#fff;border:1px solid #e6e2f5;border-radius:999px;
  padding:9px 18px;text-decoration:none;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.tag-cloud a:hover{color:#5b2bff;border-color:#5b2bff;background:#f7f4ff;transform:translateY(-2px)}
.tag-cloud a:nth-child(3n+2):hover{color:#ff2e7e;border-color:#ff2e7e;background:#fff5f8}

/* ===== faq ===== */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid #e9e5f8;border-radius:14px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease}
.faq-item.open{border-color:#cfc4f7;box-shadow:0 18px 34px -30px rgba(50,26,130,.55)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;cursor:pointer;font-family:inherit;
  font-size:15.5px;font-weight:700;color:#221a4d;text-align:left;
  padding:18px 20px;line-height:1.5;
}
.faq-q:hover{color:#5b2bff}
.faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  background:#f2edff;transition:background .22s ease,transform .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:#5b2bff;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:opacity .22s ease}
.faq-item.open .faq-icon{background:#5b2bff;transform:rotate(180deg)}
.faq-item.open .faq-icon::before{background:#fff}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{
  font-size:14.5px;color:#5a5e75;padding:0 20px 20px;margin:0;
}
.faq-item.open .faq-a{grid-template-rows:1fr}

/* ===== insight ===== */
.insight-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.article-list{display:grid;gap:12px}
.article-list a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid #e9e5f8;border-radius:13px;
  padding:16px 18px;text-decoration:none;color:#221a4d;font-weight:600;font-size:15px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.article-list a:hover{transform:translateX(5px);border-color:#cfc4f7;box-shadow:0 18px 32px -28px rgba(50,26,130,.55)}
.article-list a span:last-child{color:#5b2bff;font-weight:800;flex:0 0 auto}
.link-cloud{display:flex;flex-wrap:wrap;gap:10px}
.link-cloud a{
  font-size:13.5px;font-weight:600;color:#4a3a86;background:#fff;
  border:1px solid #e6e2f5;border-radius:9px;padding:8px 14px;text-decoration:none;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.link-cloud a:hover{color:#ff2e7e;border-color:#ffc9dd;background:#fff5f8}

/* ===== join ===== */
.join-box{
  background:linear-gradient(120deg,#1a1140 0%,#3a1e7a 48%,#7a1b57 100%);
  border-radius:22px;padding:38px 34px;color:#fff;
  display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
  box-shadow:0 34px 60px -38px rgba(50,26,130,.75);
}
.join-box h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.join-box p{color:#ddd7f7;font-size:15px;margin-bottom:18px}
.join-list{display:grid;gap:10px}
.join-list li{font-size:14px;color:#efe9ff;padding-left:18px;position:relative}
.join-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:#ffc53d}
.join-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.btn-light{background:#fff;color:#3a1e7a;border-color:#fff}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 28px -18px rgba(0,0,0,.5)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}

/* ===== contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start}
.contact-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-item{
  background:#fff;border:1px solid #e9e5f8;border-radius:14px;padding:18px 20px;
}
.contact-item span{display:block;font-size:12.5px;color:#8a8ea6;font-weight:600;margin-bottom:5px}
.contact-item strong{font-size:15px;color:#221a4d;font-weight:700;word-break:break-all}
.contact-item a{text-decoration:none;color:#5b2bff}
.qr-card{
  background:#fff;border:1px solid #e9e5f8;border-radius:18px;padding:20px;text-align:center;
}
.qr-card img{display:block;width:100%;max-width:220px;margin:0 auto 12px;border-radius:12px}
.qr-card p{font-size:13.5px;color:#5a5e75}

/* ===== footer ===== */
.site-footer{
  margin-top:20px;
  background:linear-gradient(160deg,#14112b 0%,#1d1640 60%,#2a1450 100%);
  color:#d9d5ee;
  padding:44px 0 26px;
}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand h3{color:#fff;font-size:18px;margin-bottom:10px}
.footer-brand p{font-size:13.5px;color:#b9b3d8;margin-bottom:8px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:12px;font-weight:800}
.footer-col li{margin-bottom:9px}
.footer-col a,.footer-col span{font-size:13.5px;color:#c3bde0;text-decoration:none;transition:color .2s ease}
.footer-col a:hover{color:#ffc53d}
.footer-bottom{
  padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 22px;
  align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:#a9a3c9}
.footer-bottom a{color:#d5cff0;text-decoration:none}
.footer-bottom a:hover{color:#ffc53d}

/* ===== floating ===== */
.floating{position:fixed;right:18px;bottom:22px;z-index:150;display:flex;flex-direction:column;gap:12px}
.fab{
  width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:12px;font-weight:800;line-height:1.1;text-align:center;
  box-shadow:0 16px 30px -16px rgba(50,26,130,.75);
  transition:transform .2s ease,opacity .25s ease,box-shadow .2s ease;
  font-family:inherit;
}
.fab:hover{transform:translateY(-3px)}
.fab-service{background:linear-gradient(135deg,#5b2bff,#ff2e7e)}
.fab-top{background:#221a4d;opacity:0;pointer-events:none;font-size:18px}
.fab-top.show{opacity:1;pointer-events:auto}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s cubic-bezier(.22,.7,.3,1),transform .65s cubic-bezier(.22,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ===== responsive ===== */
@media (max-width:1080px){
  .solution-grid{grid-template-columns:repeat(3,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .network-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1000px){
  .nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fffdfb;border-bottom:1px solid #e9e5f8;
    padding:10px 20px 22px;display:none;
    box-shadow:0 26px 40px -28px rgba(30,20,80,.45);
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:0}
  .nav-links a{padding:13px 6px;border-bottom:1px solid #f2eefb;border-radius:0}
  .nav-cta{margin-top:16px;width:100%}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .about-grid,.onestop-grid,.insight-grid{grid-template-columns:1fr;gap:28px}
  .compare-wrap{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .join-box{grid-template-columns:1fr;padding:30px 24px}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .stat{border-bottom:1px solid #f1eefb}
  .stat:last-child{border-bottom:none}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .hero{padding:40px 0 0}
  .card-grid,.solution-grid,.network-grid,.review-grid,.contact-list{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 auto}
  .form-box{padding:22px 18px}
  .footer-top{grid-template-columns:1fr;gap:24px}
  .brand-name{font-size:16px}
  .ai-page-logo{max-height:34px}
  .floating{right:12px;bottom:16px}
  .fab{width:48px;height:48px;border-radius:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-panel{animation:none}
  *{transition-duration:.01ms !important}
}