:root{
  --c-primary:#ff5a5f;
  --c-orange:#ff8a3d;
  --c-yellow:#ffc93c;
  --c-green:#2ec4a6;
  --c-blue:#3d8bff;
  --c-purple:#8b5cf6;
  --c-pink:#ff6fae;
  --c-ink:#1f2333;
  --c-sub:#5a6072;
  --c-line:#eceef5;
  --c-bg:#fffdf9;
  --c-bg2:#f7f9ff;
  --shadow-sm:0 4px 16px rgba(40,50,90,.06);
  --shadow-md:0 12px 32px rgba(40,50,90,.1);
  --shadow-lg:0 20px 50px rgba(40,50,90,.14);
  --radius:18px;
  --radius-sm:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--c-ink);background:var(--c-bg);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:72px 0;position:relative}
.sec-head{text-align:center;max-width:760px;margin:0 auto 46px}
.sec-tag{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;
  padding:6px 16px;border-radius:999px;margin-bottom:14px;
  color:#fff;background:linear-gradient(90deg,var(--c-primary),var(--c-orange));
}
.sec-tag.t-blue{background:linear-gradient(90deg,var(--c-blue),var(--c-purple))}
.sec-tag.t-green{background:linear-gradient(90deg,var(--c-green),var(--c-blue))}
.sec-tag.t-pink{background:linear-gradient(90deg,var(--c-pink),var(--c-purple))}
.sec-head h2{font-size:34px;line-height:1.35;font-weight:800;letter-spacing:.5px}
.sec-head p{margin-top:14px;color:var(--c-sub);font-size:16px}

/* ===== Header ===== */
header{
  position:sticky;top:0;z-index:100;background:rgba(255,253,249,.92);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s;
}
header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-brand .ai-page-logo{height:40px;width:auto;max-width:150px;object-fit:contain}
.nav-brand .brand-txt{font-weight:800;font-size:19px;letter-spacing:.5px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-purple));-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links a{
  padding:8px 12px;font-size:14.5px;font-weight:600;color:#3a4056;border-radius:8px;
  transition:color .25s,background .25s;white-space:nowrap;
}
.nav-links a:hover{color:var(--c-primary);background:#fff2f1}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;padding:10px 20px !important;
  color:#fff !important;border-radius:999px !important;
  background:linear-gradient(90deg,var(--c-primary),var(--c-orange));
  box-shadow:0 6px 18px rgba(255,90,95,.35);
  transition:transform .2s,box-shadow .2s !important;margin-left:12px;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,90,95,.45)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--c-ink);border-radius:2px;transition:.3s}

/* ===== Hero ===== */
.hero{
  position:relative;padding:88px 0 96px;overflow:hidden;
  background:
    radial-gradient(circle at 12% 18%,rgba(255,201,60,.22),transparent 42%),
    radial-gradient(circle at 88% 12%,rgba(139,92,246,.18),transparent 44%),
    radial-gradient(circle at 78% 88%,rgba(46,196,166,.16),transparent 46%),
    linear-gradient(160deg,#fff8f0 0%,#f4f7ff 52%,#fdf1ff 100%);
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;pointer-events:none}
.hero-blob.b1{width:360px;height:360px;background:#ffb3a7;top:-120px;left:-90px;animation:float 12s ease-in-out infinite}
.hero-blob.b2{width:300px;height:300px;background:#a6c8ff;bottom:-100px;right:-60px;animation:float 15s ease-in-out infinite reverse}
.hero-blob.b3{width:220px;height:220px;background:#ffe08a;top:40%;right:22%;opacity:.35;animation:float 18s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-26px)}}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid #ffe0d6;font-size:13.5px;font-weight:700;color:#d94a50;
  box-shadow:var(--shadow-sm);margin-bottom:22px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--c-green);box-shadow:0 0 0 4px rgba(46,196,166,.18)}
.hero h1{font-size:52px;line-height:1.22;font-weight:900;letter-spacing:1px}
.hero h1 .grad{
  background:linear-gradient(95deg,var(--c-primary) 0%,var(--c-orange) 38%,var(--c-purple) 78%,var(--c-blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:22px;font-size:18px;color:#464d64;max-width:600px;line-height:1.85}
.hero-sub b{color:var(--c-primary);font-weight:800}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 32px;border-radius:999px;font-size:16px;font-weight:700;cursor:pointer;
  border:0;transition:transform .2s,box-shadow .25s,background .25s;
}
.btn-primary{
  color:#fff;background:linear-gradient(90deg,var(--c-primary),var(--c-orange));
  box-shadow:0 12px 30px rgba(255,90,95,.36);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(255,90,95,.46)}
.btn-ghost{
  color:var(--c-ink);background:#fff;border:2px solid #ffdfd6;
}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--shadow-md)}
.hero-note{margin-top:20px;font-size:13.5px;color:#7c8298;display:flex;flex-wrap:wrap;gap:18px}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.hero-note i{width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,var(--c-green),var(--c-blue));
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:10px;font-style:normal;font-weight:900}

.hero-panel{
  background:rgba(255,255,255,.86);border:1px solid #fff;border-radius:26px;
  padding:28px;box-shadow:var(--shadow-lg);backdrop-filter:blur(10px);
}
.hero-panel h3{font-size:15px;color:#6b7188;font-weight:700;letter-spacing:.5px;margin-bottom:16px}
.hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.metric{
  padding:18px 16px;border-radius:16px;background:linear-gradient(150deg,#f7f9ff,#fff);
  border:1px solid #eef1fb;transition:transform .25s,box-shadow .25s;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.metric .num{font-size:26px;font-weight:900;letter-spacing:.5px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric .label{font-size:12.5px;color:#7b8199;margin-top:4px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.hero-chips span{
  padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:#fff;border:1px solid #ecedf7;color:#5b6178;
}
.hero-chips span:nth-child(3n+1){border-color:#ffded6;color:#d94a50;background:#fff7f5}
.hero-chips span:nth-child(3n+2){border-color:#dce8ff;color:#3d6fe0;background:#f5f9ff}
.hero-chips span:nth-child(3n){border-color:#d7f3ec;color:#1f9c83;background:#f3fdfa}

/* ===== Brand strip ===== */
.strip{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:26px 0}
.strip-inner{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px}
.strip-inner .k{font-size:13px;color:#8a8fa5;font-weight:700;margin-right:6px}
.strip-inner .m{
  font-size:13.5px;font-weight:700;color:#4a5068;padding:7px 14px;border-radius:999px;
  background:var(--c-bg2);transition:.25s;
}
.strip-inner .m:hover{background:linear-gradient(90deg,var(--c-primary),var(--c-orange));color:#fff;transform:translateY(-2px)}

/* ===== Cards ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  padding:28px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#ffe0d6}
.card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-orange),var(--c-yellow));
  transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.card:hover::before{transform:scaleX(1)}
.card .ico{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:24px;margin-bottom:16px;background:linear-gradient(135deg,#fff0ec,#ffe6f2);
}
.card h3{font-size:18px;font-weight:800;margin-bottom:9px}
.card p{font-size:14.5px;color:var(--c-sub);line-height:1.8}

/* About */
.about{background:var(--c-bg2)}
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about-media .ai-page-image{border-radius:16px;box-shadow:var(--shadow-sm);transition:transform .3s}
.about-media .ai-page-image:hover{transform:scale(1.03)}
.about-media .full{grid-column:1/-1}
.about-txt h2{font-size:32px;font-weight:900;line-height:1.35;margin-bottom:18px}
.about-txt h2 span{background:linear-gradient(90deg,var(--c-primary),var(--c-purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.about-txt p{color:var(--c-sub);margin-bottom:14px;font-size:15.5px}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.about-list li{
  display:flex;align-items:center;gap:9px;font-size:14.5px;font-weight:600;color:#3d4358;
  background:#fff;padding:12px 14px;border-radius:12px;box-shadow:var(--shadow-sm);
}
.about-list li::before{
  content:"✓";width:20px;height:20px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-green),var(--c-blue));color:#fff;
  font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:900;
}

/* Services */
.svc-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px}
.svc-tabs button{
  padding:11px 22px;border-radius:999px;border:1.5px solid var(--c-line);background:#fff;
  font-size:14px;font-weight:700;color:#565d75;cursor:pointer;transition:.25s;font-family:inherit;
}
.svc-tabs button.active,.svc-tabs button:hover{
  color:#fff;border-color:transparent;background:linear-gradient(90deg,var(--c-primary),var(--c-orange));
  box-shadow:0 8px 20px rgba(255,90,95,.32);transform:translateY(-2px);
}
.svc-panel{display:none}
.svc-panel.active{display:block;animation:fadeUp .45s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-item{
  background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:24px;
  transition:transform .3s,box-shadow .3s;position:relative;
}
.svc-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.svc-item h4{font-size:16.5px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.svc-item h4 .tag{
  font-size:11px;font-weight:700;color:#fff;padding:2px 8px;border-radius:6px;
  background:linear-gradient(90deg,var(--c-purple),var(--c-blue));
}
.svc-item p{font-size:14px;color:var(--c-sub);line-height:1.8}

/* One-stop */
.onestop{background:linear-gradient(180deg,#fff,#f7f9ff)}
.os-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.os-img{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md)}
.os-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.os-img:hover img{transform:scale(1.04)}
.os-txt h2{font-size:30px;font-weight:900;margin-bottom:16px;line-height:1.35}
.os-txt > p{color:var(--c-sub);font-size:15.5px;margin-bottom:22px}
.os-steps{display:flex;flex-direction:column;gap:14px}
.os-step{display:flex;gap:14px;background:#fff;padding:16px 18px;border-radius:14px;box-shadow:var(--shadow-sm);transition:transform .25s}
.os-step:hover{transform:translateX(6px)}
.os-step .n{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;font-size:15px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-orange));
}
.os-step b{display:block;font-size:15px;margin-bottom:2px}
.os-step span{font-size:13.5px;color:var(--c-sub)}

/* Solutions */
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sol-card{
  border-radius:18px;padding:26px 20px;color:#fff;position:relative;overflow:hidden;
  transition:transform .3s,box-shadow .3s;min-height:180px;display:flex;flex-direction:column;justify-content:center;
}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.sol-card h3{font-size:17px;font-weight:800;margin-bottom:8px;position:relative;z-index:2}
.sol-card p{font-size:13px;opacity:.94;line-height:1.7;position:relative;z-index:2}
.sol-card .c-ico{font-size:26px;margin-bottom:12px;position:relative;z-index:2}
.sol-card::after{content:"";position:absolute;width:140px;height:140px;border-radius:50%;
  background:rgba(255,255,255,.14);right:-50px;bottom:-50px;}
.s1{background:linear-gradient(140deg,#ff6b6b,#ff9f43)}
.s2{background:linear-gradient(140deg,#4facfe,#3d8bff)}
.s3{background:linear-gradient(140deg,#8b5cf6,#c471ed)}
.s4{background:linear-gradient(140deg,#2ec4a6,#38d9a9)}
.s5{background:linear-gradient(140deg,#ff6fae,#ff9a9e)}
.s6{background:linear-gradient(140deg,#f7b733,#fc4a1a)}
.s7{background:linear-gradient(140deg,#43cea2,#185a9d)}
.s8{background:linear-gradient(140deg,#a18cd1,#fbc2eb);color:#3b2b52}

/* Network */
.network{background:var(--c-bg2)}
.net-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.net-item{background:#fff;border-radius:16px;padding:22px;box-shadow:var(--shadow-sm);transition:transform .25s}
.net-item:hover{transform:translateY(-4px)}
.net-item h4{font-size:16px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.net-item h4::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-green)}
.net-item p{font-size:13.5px;color:var(--c-sub)}

/* Process timeline */
.timeline{position:relative;max-width:900px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-purple),var(--c-blue));transform:translateX(-50%);border-radius:3px}
.tl-item{position:relative;width:50%;padding:0 40px 36px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 36px 40px}
.tl-item .dot{position:absolute;top:6px;right:-9px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:4px solid var(--c-primary);box-shadow:0 0 0 5px rgba(255,90,95,.14);z-index:2}
.tl-item:nth-child(even) .dot{right:auto;left:-9px;border-color:var(--c-purple);box-shadow:0 0 0 5px rgba(139,92,246,.14)}
.tl-card{background:#fff;border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.tl-card .step-no{font-size:12px;font-weight:800;color:var(--c-primary);letter-spacing:1px}
.tl-card h4{font-size:16px;font-weight:800;margin:4px 0 6px}
.tl-card p{font-size:13.5px;color:var(--c-sub)}

/* Cases */
.case-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:22px}
.case-main{border-radius:20px;overflow:hidden;position:relative;box-shadow:var(--shadow-md)}
.case-main img{width:100%;height:100%;object-fit:cover;transition:transform .5s;min-height:360px}
.case-main:hover img{transform:scale(1.05)}
.case-cap{position:absolute;left:0;right:0;bottom:0;padding:40px 26px 24px;color:#fff;
  background:linear-gradient(0deg,rgba(20,24,40,.82),transparent)}
.case-cap h3{font-size:20px;font-weight:800;margin-bottom:6px}
.case-cap p{font-size:13.5px;opacity:.9}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:22px}
.case-side .item{border-radius:20px;overflow:hidden;position:relative;box-shadow:var(--shadow-sm)}
.case-side .item img{width:100%;height:100%;object-fit:cover;min-height:160px;transition:transform .5s}
.case-side .item:hover img{transform:scale(1.06)}
.case-side .item .case-cap{padding:30px 20px 16px}
.case-side .item .case-cap h3{font-size:16px}

/* Compare */
.compare{background:linear-gradient(180deg,#fffdf9,#f2f6ff)}
.rate-card{
  display:flex;align-items:center;gap:30px;flex-wrap:wrap;justify-content:center;
  background:linear-gradient(120deg,#fff,#fff6f1);border:1px solid #ffe4d6;
  border-radius:22px;padding:30px 36px;box-shadow:var(--shadow-md);margin-bottom:34px;
}
.rate-score{text-align:center;flex-shrink:0}
.rate-score .big{font-size:58px;font-weight:900;line-height:1;
  background:linear-gradient(90deg,var(--c-primary),var(--c-orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.rate-score .full{font-size:14px;color:#8a8fa5;margin-top:6px}
.rate-info h3{font-size:22px;font-weight:800;margin-bottom:8px}
.rate-info .stars{color:#ffb400;font-size:22px;letter-spacing:3px;margin-bottom:8px}
.rate-info p{font-size:14.5px;color:var(--c-sub);max-width:520px}

.table-wrap{overflow-x:auto;border-radius:16px;box-shadow:var(--shadow-sm);background:#fff}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--c-line)}
thead th{background:linear-gradient(90deg,#fff4ef,#f3f6ff);font-weight:800;color:#2c3247;font-size:15px}
tbody tr{transition:background .2s}
tbody tr:hover{background:#fffaf7}
td:nth-child(2){color:var(--c-primary);font-weight:700}
td:last-child{color:#8a8fa5}
.badge-yes{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  background:#eafaf4;color:#1f9c83;font-size:12.5px;font-weight:700}
.badge-part{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  background:#fff4e5;color:#d07c1a;font-size:12.5px;font-weight:700}

/* Match / Form */
.match{background:var(--c-bg2)}
.match-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:start}
.match-txt h2{font-size:30px;font-weight:900;margin-bottom:16px}
.match-txt p{color:var(--c-sub);font-size:15.5px;margin-bottom:22px}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.pill-list span{padding:8px 16px;background:#fff;border-radius:999px;font-size:13.5px;font-weight:700;color:#4a5068;
  box-shadow:var(--shadow-sm);transition:.25s}
.pill-list span:hover{background:linear-gradient(90deg,var(--c-primary),var(--c-orange));color:#fff;transform:translateY(-2px)}
.contact-mini{background:#fff;border-radius:16px;padding:20px 22px;box-shadow:var(--shadow-sm)}
.contact-mini div{font-size:14px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.contact-mini div:last-child{margin-bottom:0}
.contact-mini b{color:var(--c-primary)}

form.card{padding:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px;display:flex;flex-direction:column}
.field label{font-size:13.5px;font-weight:700;margin-bottom:7px;color:#3d4358}
.field label .req{color:var(--c-primary)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid #e6e9f2;border-radius:11px;font-size:14.5px;
  font-family:inherit;background:#fafbff;transition:border-color .25s,background .25s,box-shadow .25s;color:var(--c-ink);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(255,90,95,.12)
}
.field textarea{min-height:110px;resize:vertical}
.form-btn{
  width:100%;padding:15px;border:0;border-radius:12px;font-size:16px;font-weight:800;color:#fff;cursor:pointer;
  background:linear-gradient(90deg,var(--c-primary),var(--c-orange));box-shadow:0 12px 26px rgba(255,90,95,.35);
  transition:transform .2s,box-shadow .25s;font-family:inherit;
}
.form-btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,95,.45)}
.form-btn:active{transform:translateY(0)}
.form-tip{margin-top:12px;font-size:12.5px;color:#8a8fa5;text-align:center}

/* Token */
.token{background:#fff}
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{background:#fff;border:1px solid var(--c-line);border-radius:18px;padding:28px;transition:.3s;position:relative}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.price-card.hot{border:2px solid var(--c-primary);box-shadow:0 16px 40px rgba(255,90,95,.14)}
.price-card .hot-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(90deg,var(--c-primary),var(--c-orange));color:#fff;
  font-size:12px;font-weight:800;padding:4px 16px;border-radius:999px;white-space:nowrap}
.price-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.price-card .p{font-size:34px;font-weight:900;color:var(--c-primary);line-height:1.1;margin-bottom:4px}
.price-card .p small{font-size:14px;font-weight:600;color:#8a8fa5}
.price-card .desc{font-size:13px;color:#7c8298;margin-bottom:18px}
.price-card ul{display:flex;flex-direction:column;gap:9px;margin-bottom:22px}
.price-card ul li{font-size:13.5px;color:#4a5068;display:flex;align-items:center;gap:8px}
.price-card ul li::before{content:"✓";color:var(--c-green);font-weight:900}
.price-card .btn{width:100%;padding:13px;font-size:14.5px}
.price-card .btn-outline{
  width:100%;padding:13px;font-size:14.5px;border-radius:999px;border:2px solid var(--c-line);
  background:#fff;color:#3d4358;font-weight:700;cursor:pointer;transition:.25s;font-family:inherit;
}
.price-card .btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* Reviews */
.reviews{background:linear-gradient(180deg,#fff,#f8f5ff)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{background:#fff;border-radius:18px;padding:26px;box-shadow:var(--shadow-sm);transition:.3s;position:relative}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.review-card .quote{font-size:34px;line-height:1;color:#ffd7cc;font-weight:900;margin-bottom:8px}
.review-card p{font-size:14.5px;color:#4a5068;line-height:1.85;margin-bottom:18px}
.review-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--c-line);padding-top:14px}
.avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;flex-shrink:0}
.a1{background:linear-gradient(135deg,#ff6b6b,#ff9f43)}
.a2{background:linear-gradient(135deg,#4facfe,#3d8bff)}
.a3{background:linear-gradient(135deg,#8b5cf6,#c471ed)}
.a4{background:linear-gradient(135deg,#2ec4a6,#38d9a9)}
.a5{background:linear-gradient(135deg,#ff6fae,#ff9a9e)}
.a6{background:linear-gradient(135deg,#f7b733,#fc4a1a)}
.review-user b{display:block;font-size:14.5px}
.review-user span{font-size:12.5px;color:#8a8fa5}
.stars-sm{color:#ffb400;font-size:14px;letter-spacing:1px;margin-bottom:10px}

/* Article */
.article{background:var(--c-bg2)}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.article-card{background:#fff;border-radius:16px;padding:24px;box-shadow:var(--shadow-sm);transition:.3s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.article-card .cat{font-size:12px;font-weight:800;color:var(--c-primary);letter-spacing:1px;margin-bottom:10px}
.article-card h3{font-size:16px;font-weight:800;line-height:1.5;margin-bottom:10px}
.article-card p{font-size:13.5px;color:var(--c-sub);flex:1;margin-bottom:14px}
.article-card a{font-size:13.5px;font-weight:800;color:var(--c-purple)}
.article-card a:hover{color:var(--c-primary)}
.article-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:30px}
.article-links a{padding:8px 18px;border-radius:999px;background:#fff;font-size:13.5px;font-weight:700;color:#4a5068;
  box-shadow:var(--shadow-sm);transition:.25s}
.article-links a:hover{background:linear-gradient(90deg,var(--c-blue),var(--c-purple));color:#fff;transform:translateY(-2px)}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:14px;overflow:hidden;transition:box-shadow .25s,border-color .25s}
.faq-item.open{border-color:#ffddd4;box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;text-align:left;padding:20px 24px;font-size:15.5px;font-weight:700;color:#2c3247;
  background:none;border:0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;
  font-family:inherit;transition:color .25s;
}
.faq-q:hover{color:var(--c-primary)}
.faq-q .ic{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:#fff2ee;color:var(--c-primary);font-size:18px;font-weight:700;transition:transform .3s,background .3s,color .3s;
}
.faq-item.open .faq-q .ic{transform:rotate(45deg);background:var(--c-primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a-inner{padding:0 24px 22px;font-size:14.5px;color:var(--c-sub);line-height:1.85}

/* Wiki / tag cloud */
.wiki{background:linear-gradient(180deg,#fffdf9,#f4f8ff)}
.tagcloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:900px;margin:0 auto}
.tagcloud a{
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;background:#fff;
  border:1px solid var(--c-line);color:#4a5068;transition:.25s;
}
.tagcloud a:hover{transform:translateY(-3px);border-color:transparent;color:#fff;
  background:linear-gradient(90deg,var(--c-primary),var(--c-orange));box-shadow:var(--shadow-sm)}
.wiki-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}

/* Footer */
footer{background:#1b2033;color:#b9bfd2;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.foot-brand .ai-page-logo{height:42px;margin-bottom:16px}
.foot-brand p{font-size:13.5px;line-height:1.85;color:#9aa1b8;margin-bottom:18px}
.foot-brand .fl{display:flex;flex-wrap:wrap;gap:10px}
.foot-brand .fl a{font-size:13px;color:#9aa1b8;transition:.25s}
.foot-brand .fl a:hover{color:var(--c-yellow)}
footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col ul a{font-size:13.5px;color:#9aa1b8;transition:.25s;display:inline-block}
.foot-col ul a:hover{color:var(--c-yellow);transform:translateX(3px)}
.foot-qr{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.05);padding:14px;border-radius:12px}
.foot-qr img{width:88px;height:88px;border-radius:8px;object-fit:cover;background:#fff}
.foot-qr div{font-size:13px;line-height:1.7}
.foot-qr strong{color:#fff;display:block;margin-bottom:4px}
.foot-contact li{font-size:13.5px;color:#9aa1b8;margin-bottom:10px}
.foot-contact b{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:13px;color:#8a90a8}
.foot-bottom a{color:#b9bfd2}
.foot-bottom a:hover{color:var(--c-yellow)}
.foot-links{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:8px}
.foot-links a{font-size:12.5px;color:#8a90a8;transition:.25s}
.foot-links a:hover{color:var(--c-yellow)}

/* Floating */
.float-cs{position:fixed;right:22px;bottom:88px;z-index:90}
.float-cs button{
  width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--c-primary),var(--c-orange));color:#fff;
  font-size:22px;box-shadow:0 12px 28px rgba(255,90,95,.45);transition:.3s;
  display:flex;align-items:center;justify-content:center;
}
.float-cs button:hover{transform:scale(1.08) rotate(6deg)}
.cs-pop{
  position:absolute;right:0;bottom:70px;width:230px;background:#fff;border-radius:16px;
  box-shadow:var(--shadow-lg);padding:18px;text-align:center;opacity:0;visibility:hidden;
  transform:translateY(12px);transition:.3s;
}
.cs-pop.show{opacity:1;visibility:visible;transform:translateY(0)}
.cs-pop img{width:150px;height:150px;object-fit:cover;margin:0 auto 10px;border-radius:10px}
.cs-pop p{font-size:12.5px;color:#5a6072;line-height:1.7}
.back-top{
  position:fixed;right:22px;bottom:22px;z-index:90;width:48px;height:48px;border-radius:50%;
  border:0;cursor:pointer;background:#fff;color:var(--c-primary);font-size:20px;font-weight:800;
  box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transition:.3s;display:flex;align-items:center;justify-content:center;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}

/* Reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* Responsive */
@media (max-width:1080px){
  .nav-links a{padding:8px 9px;font-size:13.5px}
  .hero h1{font-size:44px}
  .grid-4,.sol-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid,.article-grid,.wiki-cards,.svc-grid,.token-grid,.net-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-links{
    position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:14px 18px 22px;gap:2px;box-shadow:var(--shadow-md);border-bottom:1px solid var(--c-line);
    transform:translateY(-140%);transition:transform .35s ease;max-height:calc(100vh - 70px);overflow-y:auto;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:12px 8px;border-radius:8px;font-size:15px}
  .nav-cta{margin:10px 0 0;justify-content:center}
  .nav-toggle{display:flex}
  .hero{padding:60px 0 70px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero h1{font-size:38px}
  .hero-sub{font-size:16.5px}
  .about-wrap,.os-wrap,.match-wrap{grid-template-columns:1fr;gap:32px}
  .case-grid{grid-template-columns:1fr}
  .timeline::before{left:16px}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 30px 46px}
  .tl-item .dot,.tl-item:nth-child(even) .dot{left:8px;right:auto}
  .sec-head h2{font-size:27px}
}
@media (max-width:640px){
  section{padding:52px 0}
  .hero h1{font-size:31px;line-height:1.3}
  .hero-sub{font-size:15.5px}
  .hero-btns .btn{width:100%;padding:14px 20px}
  .grid-3,.grid-4,.sol-grid,.review-grid,.article-grid,.wiki-cards,.svc-grid,.token-grid,.net-grid,.grid-2,.form-row,.about-media,.about-list{grid-template-columns:1fr}
  .hero-metrics{grid-template-columns:1fr 1fr}
  .rate-card{padding:24px;gap:16px}
  .rate-info{text-align:center}
  .rate-info p{max-width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  form.card{padding:22px}
  .sec-head h2{font-size:23px}
  .sec-head p{font-size:14.5px}
  .float-cs{right:14px;bottom:80px}
  .back-top{right:14px;bottom:20px}
  .cs-pop{width:210px}
  .case-main img{min-height:220px}
}