*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#141a26;
  --ink-2:#3a4354;
  --muted:#6b7488;
  --paper:#fffaf3;
  --paper-2:#fff3e6;
  --line:#e8dfd2;
  --pink:#ff2e63;
  --orange:#ff7a18;
  --yellow:#ffd23f;
  --blue:#1b3bff;
  --teal:#00c2a8;
  --card:#ffffff;
  --shadow:0 14px 40px rgba(20,26,38,.10);
  --radius:18px;
}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,250,243,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{width:auto;max-height:42px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:17px;letter-spacing:.5px}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:1.5px}
.nav-links{display:flex;align-items:center;gap:0;list-style:none}
.nav-links li a{
  display:block;padding:8px 13px;font-size:14.5px;font-weight:600;
  color:var(--ink-2);border-radius:10px;transition:.25s;
}
.nav-links li a:hover,.nav-links li a.active{color:var(--pink);background:var(--paper-2)}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;flex-shrink:0;
  background:linear-gradient(135deg,var(--pink),var(--orange));
  color:#fff;font-weight:700;font-size:14px;
  padding:10px 20px;border-radius:999px;
  box-shadow:0 8px 20px rgba(255,46,99,.28);
  transition:.25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,46,99,.38)}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:12px;cursor:pointer;position:relative;
}
.menu-toggle span{
  position:absolute;left:11px;width:22px;height:2px;background:var(--ink);
  border-radius:2px;transition:.3s;
}
.menu-toggle span:nth-child(1){top:15px}
.menu-toggle span:nth-child(2){top:21px}
.menu-toggle span:nth-child(3){top:27px}
.menu-toggle.open span:nth-child(1){top:21px;transform:rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:78px 0 86px;
  background:
    radial-gradient(circle at 12% 18%, rgba(255,122,24,.16), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(255,46,99,.14), transparent 46%),
    radial-gradient(circle at 78% 82%, rgba(27,59,255,.10), transparent 48%),
    linear-gradient(160deg,#fffaf3 0%,#fff3e6 54%,#ffeede 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(20,26,38,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(20,26,38,.045) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 50% 40%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%, #000 0%, transparent 78%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:700;color:var(--pink);
  box-shadow:0 6px 16px rgba(20,26,38,.06);
  margin-bottom:22px;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--teal);display:inline-block;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;letter-spacing:-.5px;
  font-weight:900;color:var(--ink);
  margin-bottom:20px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--pink),var(--orange));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:14px;font-weight:800;font-size:15.5px;
  border:2px solid transparent;cursor:pointer;transition:.28s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--pink),var(--orange));
  color:#fff;box-shadow:0 12px 28px rgba(255,46,99,.32);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(255,46,99,.42)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-3px)}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px}
.hero-metrics .metric{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 16px;box-shadow:0 8px 22px rgba(20,26,38,.06);
  transition:.3s;
}
.hero-metrics .metric:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.hero-metrics b{display:block;font-size:22px;font-weight:900;color:var(--pink);letter-spacing:-.5px}
.hero-metrics span{font-size:12.5px;color:var(--muted)}

.hero-visual{position:relative;min-height:380px}
.hero-orbit{
  position:relative;width:100%;max-width:380px;margin:0 auto;aspect-ratio:1/1;
}
.hero-orbit .ring{
  position:absolute;inset:0;border-radius:50%;
  border:1.5px dashed rgba(255,46,99,.35);
  animation:spin 26s linear infinite;
}
.hero-orbit .ring.r2{inset:14%;border-color:rgba(255,122,24,.35);animation-direction:reverse;animation-duration:20s}
.hero-orbit .ring.r3{inset:28%;border-color:rgba(27,59,255,.28);animation-duration:32s}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-core{
  position:absolute;inset:24%;border-radius:50%;
  background:linear-gradient(140deg,#fff,#fff3e6);
  border:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:0 24px 60px rgba(255,46,99,.18),inset 0 0 0 6px rgba(255,255,255,.6);
  text-align:center;
}
.hero-core b{font-size:clamp(20px,2.6vw,28px);font-weight:900;color:var(--ink);line-height:1.2}
.hero-core span{font-size:12px;color:var(--muted);letter-spacing:1px;margin-top:6px}
.chip{
  position:absolute;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:8px 14px;font-size:13px;font-weight:700;
  box-shadow:0 10px 24px rgba(20,26,38,.10);
  animation:float 5s ease-in-out infinite;
}
.chip.c1{top:4%;left:-2%;color:var(--pink);animation-delay:0s}
.chip.c2{top:20%;right:-6%;color:var(--orange);animation-delay:1.2s}
.chip.c3{bottom:16%;left:-8%;color:var(--blue);animation-delay:.6s}
.chip.c4{bottom:2%;right:2%;color:var(--teal);animation-delay:1.8s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ===== Section base ===== */
section{position:relative}
.section-pad{padding:80px 0}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:2px;
  color:var(--pink);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3.2vw,36px);font-weight:900;line-height:1.28;
  color:var(--ink);letter-spacing:-.4px;margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:15.5px}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== About ===== */
.about{background:linear-gradient(180deg,#fffaf3,#fff6ec)}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.about-text h3{font-size:24px;font-weight:900;margin-bottom:16px;color:var(--ink)}
.about-text p{color:var(--ink-2);margin-bottom:14px;font-size:15.5px}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.about-tags span{
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:700;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  transition:.25s;
}
.about-tags span:hover{border-color:var(--pink);color:var(--pink);transform:translateY(-2px)}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;transition:.3s;
}
.about-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.about-card .num{font-size:24px;font-weight:900;color:var(--pink);margin-bottom:8px}
.about-card h4{font-size:15.5px;font-weight:800;margin-bottom:6px}
.about-card p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* ===== Services ===== */
.services{background:#fff}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px;transition:.32s;
  overflow:hidden;
}
.service-card::after{
  content:"";position:absolute;left:0;top:0;height:4px;width:0;
  background:linear-gradient(90deg,var(--pink),var(--orange));
  transition:width .35s;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.service-card:hover::after{width:100%}
.service-card .ico{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:900;color:#fff;margin-bottom:16px;
}
.ico.i1{background:linear-gradient(135deg,#ff2e63,#ff7a18)}
.ico.i2{background:linear-gradient(135deg,#1b3bff,#00c2a8)}
.ico.i3{background:linear-gradient(135deg,#ff7a18,#ffd23f)}
.ico.i4{background:linear-gradient(135deg,#00c2a8,#1b3bff)}
.ico.i5{background:linear-gradient(135deg,#ff2e63,#1b3bff)}
.ico.i6{background:linear-gradient(135deg,#ffd23f,#ff7a18)}
.service-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.service-card p{font-size:14px;color:var(--muted)}

/* ===== One-stop / scene ===== */
.onestop{
  background:
    radial-gradient(circle at 8% 20%, rgba(27,59,255,.08), transparent 40%),
    radial-gradient(circle at 92% 90%, rgba(255,122,24,.10), transparent 42%),
    linear-gradient(180deg,#fff6ec,#fffaf3);
}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 18px;transition:.3s;display:flex;flex-direction:column;gap:6px;
}
.scene-card:hover{border-color:var(--pink);transform:translateY(-4px);box-shadow:0 12px 30px rgba(255,46,99,.12)}
.scene-card b{font-size:15px;font-weight:800}
.scene-card span{font-size:13px;color:var(--muted);line-height:1.55}

/* ===== Industry ===== */
.industry{background:#fff}
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.industry-card{
  border-radius:var(--radius);padding:26px 22px;color:#fff;
  background:linear-gradient(140deg,#141a26,#26304a);
  transition:.32s;position:relative;overflow:hidden;
}
.industry-card:nth-child(2){background:linear-gradient(140deg,#ff2e63,#ff7a18)}
.industry-card:nth-child(3){background:linear-gradient(140deg,#1b3bff,#00c2a8)}
.industry-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(20,26,38,.24)}
.industry-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.industry-card p{font-size:13.5px;opacity:.9;line-height:1.65}

/* ===== Network ===== */
.network{background:linear-gradient(180deg,#fffaf3,#fff3e6)}
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.net-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 18px;
  text-align:center;transition:.3s;
}
.net-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.net-item b{display:block;font-size:15px;font-weight:800;margin-bottom:4px}
.net-item span{font-size:13px;color:var(--muted)}

/* ===== Process timeline ===== */
.process{background:#fff}
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:8px}
.timeline::before{content:"";position:absolute;left:23px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--pink),var(--orange),var(--blue))}
.tl-item{position:relative;padding-left:62px;margin-bottom:28px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  position:absolute;left:8px;top:2px;width:32px;height:32px;border-radius:50%;
  background:#fff;border:2px solid var(--pink);color:var(--pink);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;
}
.tl-item h3{font-size:17px;font-weight:800;margin-bottom:4px}
.tl-item p{font-size:14px;color:var(--muted)}

/* ===== Cases ===== */
.cases{background:linear-gradient(180deg,#fff6ec,#fffaf3)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.32s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.case-media{aspect-ratio:16/10;overflow:hidden;background:#f4ece1}
.case-media img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case-card:hover .case-media img{transform:scale(1.05)}
.case-body{padding:20px}
.case-body h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.case-body p{font-size:13.5px;color:var(--muted)}

/* ===== Compare ===== */
.compare{background:#fff}
.score-banner{
  display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;
  background:linear-gradient(135deg,#141a26,#26304a);
  border-radius:20px;padding:30px 34px;margin-bottom:34px;color:#fff;
}
.score-box{text-align:center;padding-right:28px;border-right:1px solid rgba(255,255,255,.16)}
.score-box b{display:block;font-size:52px;font-weight:900;line-height:1;color:var(--yellow)}
.score-box span{font-size:13px;opacity:.85}
.score-info h3{font-size:20px;font-weight:800;margin-bottom:6px}
.score-info .stars{color:var(--yellow);font-size:19px;letter-spacing:3px;margin-bottom:8px}
.score-info p{font-size:14px;opacity:.85}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;min-width:640px}
thead th{
  background:#fff3e6;color:var(--ink);font-size:14px;font-weight:800;
  padding:15px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:14px 16px;font-size:14px;border-bottom:1px solid #f2ece2;color:var(--ink-2)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fffaf3}
.mark-good{color:var(--teal);font-weight:800}
.mark-mid{color:var(--orange);font-weight:700}

/* ===== Token price ===== */
.token{background:linear-gradient(180deg,#fffaf3,#fff3e6)}
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.token-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.3s;
}
.token-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.token-card h3{font-size:16px;font-weight:800;margin-bottom:10px}
.token-card .price{font-size:28px;font-weight:900;color:var(--pink);letter-spacing:-1px;margin-bottom:6px}
.token-card .price small{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0}
.token-card p{font-size:13.5px;color:var(--muted)}

/* ===== Reviews ===== */
.reviews{background:#fff}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{
  background:#fffaf3;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.3s;display:flex;flex-direction:column;gap:14px;
}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.review-text{font-size:14.5px;color:var(--ink-2);line-height:1.7}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:900;font-size:16px;
}
.avatar.a1{background:linear-gradient(135deg,#ff2e63,#ff7a18)}
.avatar.a2{background:linear-gradient(135deg,#1b3bff,#00c2a8)}
.avatar.a3{background:linear-gradient(135deg,#ff7a18,#ffd23f)}
.avatar.a4{background:linear-gradient(135deg,#00c2a8,#1b3bff)}
.avatar.a5{background:linear-gradient(135deg,#ff2e63,#1b3bff)}
.avatar.a6{background:linear-gradient(135deg,#ffd23f,#ff7a18)}
.review-user b{display:block;font-size:14px}
.review-user span{font-size:12px;color:var(--muted)}

/* ===== Articles ===== */
.articles{background:linear-gradient(180deg,#fff6ec,#fffaf3)}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.3s;display:flex;flex-direction:column;gap:10px;
}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.article-tag{align-self:flex-start;font-size:12px;font-weight:800;color:var(--pink);background:#fff3e6;padding:3px 10px;border-radius:999px}
.article-card h3{font-size:16px;font-weight:800;line-height:1.45}
.article-card p{font-size:13.5px;color:var(--muted)}
.article-more{font-size:13px;font-weight:800;color:var(--orange);margin-top:auto}

/* ===== Demand form ===== */
.demand{background:#fff}
.demand-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.demand-info h2{font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.3;margin-bottom:16px}
.demand-info p{color:var(--muted);font-size:15px;margin-bottom:24px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
.contact-list .dot{width:8px;height:8px;border-radius:50%;background:var(--pink);margin-top:10px;flex-shrink:0}
.contact-list a{color:var(--pink);font-weight:700}
.form-card{
  background:#fffaf3;border:1px solid var(--line);border-radius:20px;padding:30px;
  box-shadow:0 16px 44px rgba(20,26,38,.07);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px;display:flex;flex-direction:column;gap:7px}
.form-group label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1.5px solid var(--line);background:#fff;
  font-size:14.5px;font-family:inherit;color:var(--ink);
  transition:.25s;outline:none;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  border-color:var(--pink);box-shadow:0 0 0 4px rgba(255,46,99,.10);
}
.form-group textarea{resize:vertical;min-height:110px}
.form-submit{
  width:100%;padding:15px;border:none;border-radius:14px;cursor:pointer;
  background:linear-gradient(135deg,var(--pink),var(--orange));
  color:#fff;font-size:16px;font-weight:800;transition:.28s;
  box-shadow:0 12px 28px rgba(255,46,99,.30);
}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,46,99,.40)}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}

/* ===== FAQ ===== */
.faq{background:linear-gradient(180deg,#fffaf3,#fff3e6)}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:.3s;
}
.faq-item.open{border-color:var(--pink);box-shadow:0 12px 30px rgba(255,46,99,.10)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;background:none;border:none;cursor:pointer;
  font-size:15.5px;font-weight:800;color:var(--ink);text-align:left;font-family:inherit;
}
.faq-q .plus{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:#fff3e6;color:var(--pink);display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;transition:.3s;
}
.faq-item.open .plus{transform:rotate(45deg);background:var(--pink);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--ink-2);line-height:1.75}

/* ===== Help / Wiki / News combined ===== */
.knowledge{background:#fff}
.k-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.k-col{background:#fffaf3;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.k-col h3{font-size:18px;font-weight:900;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.k-col h3 .bar{width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,var(--pink),var(--orange))}
.k-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.k-col ul li{font-size:14px;color:var(--ink-2);padding-left:16px;position:relative;line-height:1.6}
.k-col ul li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--orange)}

/* ===== Join / Agent ===== */
.join{
  background:
    radial-gradient(circle at 10% 20%, rgba(255,122,24,.14), transparent 42%),
    radial-gradient(circle at 88% 78%, rgba(255,46,99,.14), transparent 46%),
    linear-gradient(150deg,#141a26,#26304a);
  color:#fff;
}
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.join h2{font-size:clamp(25px,3.2vw,36px);font-weight:900;line-height:1.3;margin-bottom:16px;color:#fff}
.join p{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:24px}
.join-list{list-style:none;display:flex;flex-direction:column;gap:14px;margin-bottom:28px}
.join-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.9)}
.join-list .num{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--pink),var(--orange));
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;color:#fff;
}
.join-btns{display:flex;flex-wrap:wrap;gap:14px}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:transparent;color:#fff;border-color:#fff;transform:translateY(-3px)}
.join-panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:30px;backdrop-filter:blur(10px);
}
.join-panel h3{font-size:18px;font-weight:800;margin-bottom:18px;color:#fff}
.join-stat{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.join-stat div{background:rgba(255,255,255,.06);border-radius:14px;padding:18px}
.join-stat b{display:block;font-size:24px;font-weight:900;color:var(--yellow);line-height:1.1;margin-bottom:4px}
.join-stat span{font-size:12.5px;color:rgba(255,255,255,.7)}

/* ===== Footer ===== */
.site-footer{
  background:#141a26;color:#cfd6e4;padding:56px 0 0;
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand .ai-page-logo{max-height:44px;margin-bottom:16px;background:#fff;padding:6px 12px;border-radius:10px}
.footer-brand p{font-size:13.5px;color:#98a2b8;line-height:1.75}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col ul li a{font-size:13.5px;color:#98a2b8;transition:.25s}
.footer-col ul li a:hover{color:var(--pink)}
.footer-contact p{font-size:13.5px;color:#98a2b8;margin-bottom:8px}
.footer-contact a{color:var(--yellow)}
.qr-box{display:flex;align-items:center;gap:12px;margin-top:12px}
.qr-box img{width:88px;height:88px;object-fit:cover;border-radius:10px;background:#fff}
.qr-box span{font-size:12.5px;color:#98a2b8}
.footer-bottom{
  padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8892a8;
}
.footer-bottom a{color:#b9c2d4}
.footer-bottom a:hover{color:var(--pink)}

/* ===== Floating ===== */
.float-stack{position:fixed;right:18px;bottom:22px;z-index:120;display:flex;flex-direction:column;gap:12px}
.float-btn{
  width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#fff;
  box-shadow:0 10px 24px rgba(20,26,38,.22);transition:.28s;
}
.float-btn:hover{transform:translateY(-4px) scale(1.05)}
.float-kefu{background:linear-gradient(135deg,var(--pink),var(--orange))}
.float-top{background:var(--ink);opacity:0;pointer-events:none;transition:.3s}
.float-top.show{opacity:1;pointer-events:auto}
.kefu-pop{
  position:fixed;right:18px;bottom:84px;z-index:121;
  width:220px;background:#fff;border-radius:16px;padding:16px;
  box-shadow:0 20px 48px rgba(20,26,38,.22);
  display:none;text-align:center;border:1px solid var(--line);
}
.kefu-pop.show{display:block;animation:popIn .28s ease}
@keyframes popIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.kefu-pop img{width:170px;height:170px;object-fit:cover;border-radius:10px;margin:0 auto 10px}
.kefu-pop b{display:block;font-size:14px;margin-bottom:4px}
.kefu-pop span{font-size:12.5px;color:var(--muted)}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{min-height:320px;order:-1;max-width:320px;margin:0 auto;width:100%}
  .about-grid,.demand-wrap,.join-grid{grid-template-columns:1fr;gap:32px}
  .services-grid,.industry-grid,.review-grid,.article-grid,.token-grid,.k-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid,.network-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    background:#fffaf3;flex-direction:column;align-items:stretch;
    padding:12px 20px;gap:4px;border-bottom:1px solid var(--line);
    box-shadow:0 16px 30px rgba(20,26,38,.08);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links li a{padding:12px 14px;font-size:15px}
  .menu-toggle{display:block}
  .nav-cta{padding:9px 16px;font-size:13.5px}
}
@media (max-width:720px){
  .section-pad{padding:58px 0}
  .services-grid,.industry-grid,.review-grid,.article-grid,.token-grid,.k-grid,.case-grid,.scene-grid,.network-grid,.about-cards{grid-template-columns:1fr}
  .hero{padding:52px 0 60px}
  .hero-metrics{grid-template-columns:1fr 1fr}
  .hero-metrics .metric:last-child{grid-column:span 2}
  .score-banner{grid-template-columns:1fr;text-align:center;padding:26px 20px}
  .score-box{padding-right:0;border-right:none;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.16)}
  .footer-top{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .join-stat{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .hero h1{font-size:28px}
  .brand-text span{display:none}
  .header-inner{gap:10px}
  .nav-cta{padding:8px 14px;font-size:12.5px}
  .chip{font-size:11.5px;padding:6px 10px}
}