:root{
  --c-orange:#FF5A1F;
  --c-pink:#FF2D78;
  --c-purple:#7A2BFF;
  --c-blue:#1160FF;
  --c-cyan:#00D4E0;
  --c-deep:#0B1030;
  --c-darker:#070A20;
  --c-ink:#1A1F3D;
  --c-gray:#5B6280;
  --c-line:#E8EAF4;
  --c-bg:#F6F7FC;
  --grad-hot:linear-gradient(120deg,#FF5A1F 0%,#FF2D78 50%,#7A2BFF 100%);
  --grad-cool:linear-gradient(120deg,#1160FF 0%,#7A2BFF 60%,#00D4E0 100%);
  --grad-soft:linear-gradient(135deg,#FFF3EC 0%,#F3ECFF 100%);
  --shadow-md:0 10px 30px rgba(20,26,80,.10);
  --shadow-lg:0 24px 60px rgba(20,26,80,.16);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--c-ink);background:var(--c-bg);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}
ul{list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{scroll-margin-top:88px}

/* ---------- NAV ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(20,26,80,.08)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand .ai-page-logo{width:auto;max-height:42px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:18px;letter-spacing:.5px;color:var(--c-deep)}
.brand-text span{font-size:11px;color:var(--c-gray);letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links li a{
  display:inline-block;padding:8px 11px;font-size:14px;color:#3A4166;border-radius:9px;
  white-space:nowrap;transition:color .2s,background .2s;font-weight:500;
}
.nav-links li a:hover{color:var(--c-orange);background:#FFF1E9}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;
  background:var(--grad-hot);color:#fff;font-weight:700;font-size:14px;border:none;cursor:pointer;
  box-shadow:0 8px 22px rgba(255,45,120,.32);transition:transform .2s,box-shadow .2s;white-space:nowrap}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,45,120,.42)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:24px;height:2.5px;background:var(--c-deep);border-radius:2px;transition:.3s}
.menu-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-menu{display:none;flex-direction:column;padding:8px 20px 20px;border-top:1px solid var(--c-line);background:#fff}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:11px 6px;font-size:15px;color:#2A3055;border-bottom:1px dashed #EEF0F8}
.mobile-menu a:hover{color:var(--c-orange)}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--c-darker);color:#fff;
  padding:76px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(circle at 12% 18%,rgba(255,90,31,.45),transparent 42%),
    radial-gradient(circle at 85% 22%,rgba(122,43,255,.52),transparent 46%),
    radial-gradient(circle at 70% 90%,rgba(0,212,224,.28),transparent 46%),
    radial-gradient(circle at 30% 92%,rgba(255,45,120,.30),transparent 44%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;opacity:.35;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 78%);
}
.hero .container{position:relative;z-index:2}
.hero-inner{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:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  font-size:13px;letter-spacing:.5px;color:#FFE3D4;margin-bottom:22px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#00E6A8;box-shadow:0 0 12px #00E6A8;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.75)}}
.hero h1{font-size:clamp(28px,3.6vw,50px);line-height:1.2;font-weight:900;letter-spacing:.5px;margin-bottom:20px}
.hero h1 .hl{background:var(--grad-hot);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(15px,1.5vw,18px);color:#C6CBEA;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:9px;padding:15px 32px;border-radius:999px;
  font-size:16px;font-weight:700;cursor:pointer;border:none;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn-primary{background:var(--grad-hot);color:#fff;box-shadow:0 12px 34px rgba(255,45,120,.45)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(255,45,120,.6)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-3px)}
.btn-outline{background:transparent;color:var(--c-orange);border:2px solid var(--c-orange)}
.btn-outline:hover{background:var(--c-orange);color:#fff;transform:translateY(-2px)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{padding:7px 14px;border-radius:9px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);font-size:13px;color:#D8DCF6}
.hero-panel{display:flex;flex-direction:column;gap:16px}
.hero-metric{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:16px;
  padding:20px 22px;display:flex;align-items:center;gap:16px;transition:transform .25s,background .25s;
}
.hero-metric:hover{transform:translateX(6px);background:rgba(255,255,255,.12)}
.hero-metric .num{font-size:28px;font-weight:900;background:var(--grad-hot);-webkit-background-clip:text;background-clip:text;color:transparent;min-width:110px}
.hero-metric .lbl{font-size:14px;color:#C6CBEA}
.hero-metric .lbl b{display:block;color:#fff;font-size:15px;margin-bottom:2px}

/* ---------- SECTION COMMON ---------- */
.section{padding:84px 0}
.section.alt{background:#fff}
.sec-head{max-width:760px;margin:0 auto 52px;text-align:center}
.sec-eyebrow{display:inline-block;padding:6px 16px;border-radius:999px;background:#FFF0E8;color:var(--c-orange);
  font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:16px}
.sec-eyebrow.blue{background:#EAF1FF;color:var(--c-blue)}
.sec-eyebrow.purple{background:#F1EBFF;color:var(--c-purple)}
.sec-title{font-size:clamp(24px,2.8vw,36px);font-weight:900;letter-spacing:.5px;color:var(--c-deep);line-height:1.3;margin-bottom:14px}
.sec-title .hl{background:var(--grad-hot);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-desc{font-size:15.5px;color:var(--c-gray)}

/* ---------- CARD GRIDS ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--c-line);
  transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card .ico{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;background:var(--grad-soft);font-size:24px;
}
.card h3{font-size:18px;font-weight:800;color:var(--c-deep);margin-bottom:9px}
.card p{font-size:14.5px;color:var(--c-gray)}
.card .tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.card .tag-row span{font-size:12px;padding:4px 10px;border-radius:7px;background:#F4F6FE;color:#4B5488}

/* ---------- STATS ---------- */
.stats{background:var(--c-deep);color:#fff;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(122,43,255,.4),transparent 50%),radial-gradient(circle at 10% 80%,rgba(255,90,31,.35),transparent 50%)}
.stats .container{position:relative;z-index:2}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item{padding:22px 12px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.stat-item .n{font-size:clamp(26px,3vw,40px);font-weight:900;background:linear-gradient(120deg,#FFB27A,#FF5A1F,#FF2D78);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-item .t{font-size:14px;color:#C6CBEA;margin-top:6px}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.about-text h3{font-size:22px;font-weight:900;color:var(--c-deep);margin-bottom:14px}
.about-text p{font-size:15px;color:var(--c-gray);margin-bottom:14px}
.about-list{display:grid;gap:12px;margin-top:18px}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#39406A}
.about-list li .ck{flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--grad-hot);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;margin-top:2px}
.about-visual{display:grid;gap:16px}
.about-visual .img-box{border-radius:16px;overflow:hidden;box-shadow:var(--shadow-md)}
.about-visual .img-box img{width:100%;object-fit:cover;transition:transform .5s}
.about-visual .img-box:hover img{transform:scale(1.04)}

/* ---------- SERVICE / CAPABILITY ---------- */
.cap-icon{font-size:26px}
.svc-tag{position:absolute;top:16px;right:16px;font-size:11px;padding:3px 9px;border-radius:6px;background:var(--grad-hot);color:#fff;font-weight:700}

/* ---------- FLOW ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.flow-step{background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:24px 18px;text-align:center;transition:.25s;position:relative}
.flow-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.flow-step .step-num{width:44px;height:44px;margin:0 auto 14px;border-radius:50%;background:var(--grad-cool);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;font-size:18px}
.flow-step h4{font-size:15.5px;font-weight:800;color:var(--c-deep);margin-bottom:7px}
.flow-step p{font-size:13px;color:var(--c-gray)}

/* ---------- TABLE ---------- */
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--c-line);background:#fff;box-shadow:var(--shadow-md)}
table{width:100%;border-collapse:collapse;min-width:680px}
th,td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid #EEF0F8}
thead th{background:var(--c-deep);color:#fff;font-weight:700;font-size:14.5px}
tbody tr:hover{background:#FBF7FF}
td.best{color:var(--c-orange);font-weight:800}
.badge-5{display:inline-flex;align-items:center;gap:4px;color:#FFB300;font-weight:900;letter-spacing:1px}

/* ---------- REVIEW ---------- */
.review-hero{display:grid;grid-template-columns:300px 1fr;gap:32px;align-items:center;background:var(--grad-soft);border-radius:22px;padding:36px;margin-bottom:34px}
.score-box{text-align:center;background:#fff;border-radius:18px;padding:28px 18px;box-shadow:var(--shadow-md)}
.score-box .big{font-size:60px;font-weight:900;line-height:1;background:var(--grad-hot);-webkit-background-clip:text;background-clip:text;color:transparent}
.score-box .full{font-size:14px;color:var(--c-gray);margin-top:6px}
.score-box .stars{font-size:22px;color:#FFB300;margin-top:10px;letter-spacing:3px}
.score-box .rec{display:inline-block;margin-top:12px;padding:6px 16px;border-radius:999px;background:var(--grad-hot);color:#fff;font-size:13px;font-weight:700}
.review-hero h3{font-size:22px;font-weight:900;color:var(--c-deep);margin-bottom:12px}
.review-hero p{font-size:15px;color:#4A5178}
.review-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.review-tags span{padding:6px 14px;border-radius:999px;background:#fff;font-size:13px;color:#5B4B9E;border:1px solid #E3DAFF;font-weight:600}

/* ---------- CASE ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--c-line);transition:.3s}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.case-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EFF1FA}
.case-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .thumb img{transform:scale(1.06)}
.case-card .body{padding:22px}
.case-card .body .cat{font-size:12px;color:var(--c-orange);font-weight:700;letter-spacing:1px}
.case-card .body h4{font-size:17px;font-weight:800;color:var(--c-deep);margin:8px 0 8px}
.case-card .body p{font-size:13.5px;color:var(--c-gray)}

/* ---------- REVIEWS ---------- */
.review-card{background:#fff;border-radius:16px;padding:26px;border:1px solid var(--c-line);transition:.25s;display:flex;flex-direction:column;height:100%}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.review-card .stars{color:#FFB300;font-size:15px;letter-spacing:2px;margin-bottom:12px}
.review-card .quote{font-size:14.5px;color:#3B4168;flex:1}
.review-card .user{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px dashed #EBEDF6}
.review-card .avatar{width:44px;height:44px;border-radius:50%;background:var(--grad-cool);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:16px;flex:0 0 auto}
.review-card .user .name{font-size:14.5px;font-weight:800;color:var(--c-deep)}
.review-card .user .role{font-size:12.5px;color:var(--c-gray)}

/* ---------- PRICING / TOKEN ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.price-card{background:#fff;border-radius:20px;padding:34px 28px;border:2px solid var(--c-line);transition:.3s;position:relative}
.price-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.price-card.featured{border-color:transparent;background:linear-gradient(180deg,#1A1147,#0B1030);color:#fff}
.price-card.featured::before{content:"推荐";position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad-hot);color:#fff;font-size:12px;font-weight:800;padding:5px 18px;border-radius:999px}
.price-card h4{font-size:17px;font-weight:800;margin-bottom:8px}
.price-card.featured h4{color:#fff}
.price-card .p-desc{font-size:13.5px;color:var(--c-gray);margin-bottom:20px}
.price-card.featured .p-desc{color:#B5BAD8}
.price-card .amount{font-size:34px;font-weight:900;background:var(--grad-hot);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.price-card .amount small{font-size:14px;color:var(--c-gray);-webkit-text-fill-color:var(--c-gray);font-weight:500}
.price-card.featured .amount small{color:#B5BAD8;-webkit-text-fill-color:#B5BAD8}
.price-card ul{margin:20px 0;display:grid;gap:10px}
.price-card ul li{font-size:13.5px;color:#4A5178;display:flex;gap:9px;align-items:flex-start}
.price-card.featured ul li{color:#D8DCF6}
.price-card ul li::before{content:"✓";color:var(--c-orange);font-weight:900}
.price-card .btn{width:100%;padding:13px;font-size:15px}

/* ---------- CHAIN ---------- */
.chain{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px}
.chain a{padding:10px 20px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:13.5px;color:#3B4168;transition:.25s;font-weight:600}
.chain a:hover{background:var(--grad-hot);color:#fff;border-color:transparent;transform:translateY(-3px);box-shadow:0 10px 24px rgba(255,45,120,.32)}

/* ---------- ARTICLE ---------- */
.article-list{display:grid;gap:14px}
.article-item{background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:20px 24px;display:flex;align-items:center;gap:18px;transition:.25s;justify-content:space-between;flex-wrap:wrap}
.article-item:hover{transform:translateX(6px);box-shadow:var(--shadow-md);border-color:transparent}
.article-item .a-left{display:flex;align-items:center;gap:16px;flex:1;min-width:220px}
.article-item .a-num{width:40px;height:40px;border-radius:10px;background:var(--grad-soft);color:var(--c-orange);font-weight:900;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.article-item h4{font-size:15.5px;font-weight:700;color:var(--c-deep)}
.article-item .a-meta{font-size:12.5px;color:var(--c-gray)}
.article-item .a-link{font-size:13.5px;font-weight:700;color:var(--c-orange);white-space:nowrap}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:14px;overflow:hidden;transition:.25s}
.faq-item:hover{border-color:#FFD6C6}
.faq-q{width:100%;background:none;border:none;cursor:pointer;padding:22px 26px;display:flex;justify-content:space-between;align-items:center;gap:16px;text-align:left;font-size:16px;font-weight:700;color:var(--c-deep);font-family:inherit}
.faq-q .plus{flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:#FFF0E8;color:var(--c-orange);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;transition:transform .3s,background .3s}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--grad-hot);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 26px}
.faq-a p{padding-bottom:22px;font-size:14.5px;color:var(--c-gray)}

/* ---------- FORM ---------- */
.form-wrap{background:linear-gradient(135deg,#FFF6F0,#F3ECFF);border-radius:24px;padding:44px;display:grid;grid-template-columns:.9fr 1.1fr;gap:44px}
.form-info h3{font-size:24px;font-weight:900;color:var(--c-deep);margin-bottom:16px}
.form-info p{font-size:14.5px;color:#4A5178;margin-bottom:22px}
.form-contact{display:grid;gap:14px}
.form-contact li{display:flex;gap:12px;align-items:center;font-size:14px;color:#39406A}
.form-contact li .ic{width:36px;height:36px;border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--c-orange);font-weight:900;flex:0 0 auto;box-shadow:var(--shadow-md)}
.form-box{background:#fff;border-radius:18px;padding:30px;box-shadow:var(--shadow-md)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:#39406A;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border:1.5px solid #E3E6F2;border-radius:11px;font-size:14.5px;
  font-family:inherit;color:var(--c-ink);background:#FBFBFE;transition:.2s;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-orange);background:#fff;box-shadow:0 0 0 4px rgba(255,90,31,.10)}
.field textarea{resize:vertical;min-height:100px}
.field-full{grid-column:1/-1}
.form-note{font-size:12px;color:var(--c-gray);margin-top:10px}
.form-box .btn{width:100%;padding:15px;font-size:16px}

/* ---------- QR ---------- */
.qr-block{display:flex;gap:24px;align-items:center;flex-wrap:wrap;justify-content:center;margin-top:34px}
.qr-item{background:#fff;border-radius:16px;padding:18px;text-align:center;border:1px solid var(--c-line);transition:.25s}
.qr-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.qr-item img{width:150px;height:150px;object-fit:cover;border-radius:10px;margin:0 auto 10px}
.qr-item span{font-size:13px;color:var(--c-gray);display:block;font-weight:600}

/* ---------- FOOTER ---------- */
footer{background:var(--c-darker);color:#A9AECB;padding:64px 0 28px;position:relative;overflow:hidden}
footer::before{content:"";position:absolute;top:-100px;right:-100px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(122,43,255,.3),transparent 70%)}
footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer-brand .ai-page-logo{max-height:44px;margin-bottom:16px;filter:brightness(0) invert(1)}
.footer-brand p{font-size:13.5px;color:#8B90B4;max-width:320px;margin-bottom:16px}
.footer-social{display:flex;flex-direction:column;gap:8px;font-size:13px;color:#8B90B4}
.footer-col h4{font-size:15px;color:#fff;font-weight:800;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:13.5px;color:#8B90B4;transition:.2s}
.footer-col a:hover{color:var(--c-orange)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:13px;color:#767BA3}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:16px}
.footer-links-inline a:hover{color:var(--c-orange)}

/* ---------- FLOAT ---------- */
.float-cs{position:fixed;right:22px;bottom:24px;z-index:1200;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.float-btn{width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;background:var(--grad-hot);box-shadow:0 12px 30px rgba(255,45,120,.45);transition:.25s}
.float-btn:hover{transform:scale(1.08)}
.float-btn.blue{background:var(--grad-cool);box-shadow:0 12px 30px rgba(17,96,255,.4)}
.back-top{opacity:0;pointer-events:none;transition:opacity .3s,transform .25s}
.back-top.show{opacity:1;pointer-events:auto}
.cs-panel{position:fixed;right:22px;bottom:96px;z-index:1201;width:250px;background:#fff;border-radius:18px;padding:20px;box-shadow:var(--shadow-lg);opacity:0;transform:translateY(14px) scale(.96);pointer-events:none;transition:.3s;text-align:center}
.cs-panel.show{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.cs-panel img{width:170px;height:170px;object-fit:cover;border-radius:12px;margin:0 auto 10px}
.cs-panel p{font-size:13px;color:var(--c-gray)}
.cs-panel b{display:block;color:var(--c-deep);font-size:14px;margin-bottom:6px}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-panel{flex-direction:row;flex-wrap:wrap}
  .hero-metric{flex:1 1 200px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(3,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .review-hero{grid-template-columns:1fr}
  .form-wrap{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:860px){
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .nav-cta{display:none}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .section{padding:60px 0}
  .hero{padding:56px 0 64px}
}
@media(max-width:600px){
  .container{padding:0 16px}
  .grid-4{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-metric{flex-direction:column;text-align:center;align-items:center;gap:6px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .form-wrap{padding:24px}
  .form-box{padding:22px}
  .article-item{flex-direction:column;align-items:flex-start}
  .review-hero{padding:24px}
  .sec-head{margin-bottom:36px}
  .float-cs{right:14px;bottom:16px}
  .cs-panel{right:14px;bottom:86px;width:220px}
}