:root{
  --mint:#2fbf8f;
  --mint-deep:#1f9c72;
  --mint-light:#e6f8f1;
  --mint-soft:#f2fbf7;
  --ink:#12261f;
  --ink-2:#39514a;
  --muted:#6b857c;
  --line:#d9ece5;
  --white:#ffffff;
  --shadow:0 10px 30px rgba(31,156,114,.10);
  --shadow-hover:0 18px 44px rgba(31,156,114,.20);
  --radius:18px;
}
*{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",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--mint-deep);text-decoration:none;transition:color .25s;}
a:hover{color:var(--mint);}
img{display:block;max-width:100%;height:auto;}
ul{list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
section{scroll-margin-top:84px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand .ai-page-logo{height:40px;width:auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:18px;letter-spacing:.5px;color:var(--ink);}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:1px;}
.nav-links{display:flex;align-items:center;gap:0;}
.nav-links a{
  display:block;padding:8px 14px;font-size:15px;color:var(--ink-2);border-radius:10px;
}
.nav-links a:hover{background:var(--mint-light);color:var(--mint-deep);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:none;cursor:pointer;transition:transform .2s,box-shadow .25s,background .25s;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#35cf9a,#1f9c72);color:#fff;box-shadow:0 8px 22px rgba(31,156,114,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,156,114,.42);color:#fff;}
.btn-ghost{background:#fff;color:var(--mint-deep);border:1.5px solid var(--mint);}
.btn-ghost:hover{background:var(--mint-light);transform:translateY(-2px);}
[data-reveal]{
  opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;
}
[data-reveal].in{opacity:1;transform:none;}
.hamburger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;}
.hamburger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.3s;}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.active span:nth-child(2){opacity:0;}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:12px 24px 20px;max-height:calc(100vh - 72px);overflow:auto;}
.mobile-menu a{display:block;padding:12px 8px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--mint-soft);}
.mobile-menu .btn{width:100%;margin-top:14px;}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 12% 18%,rgba(53,207,154,.18),transparent 42%),
    radial-gradient(circle at 88% 84%,rgba(31,156,114,.16),transparent 46%),
    linear-gradient(160deg,#f4fdf9 0%,#e8f8f1 48%,#f7fffb 100%);
  padding:88px 0 96px;
}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(31,156,114,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(31,156,114,.08) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;}
.hero-blob.b1{width:380px;height:380px;background:rgba(53,207,154,.30);top:-120px;right:-80px;animation:float1 12s ease-in-out infinite;}
.hero-blob.b2{width:300px;height:300px;background:rgba(31,156,114,.22);bottom:-110px;left:-60px;animation:float2 14s ease-in-out infinite;}
@keyframes float1{0%,100%{transform:translate(0,0);}50%{transform:translate(-24px,26px);}}
@keyframes float2{0%,100%{transform:translate(0,0);}50%{transform:translate(22px,-22px);}}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:920px;margin:0 auto;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.78);color:var(--mint-deep);border:1px solid rgba(31,156,114,.25);
  box-shadow:0 4px 14px rgba(31,156,114,.10);
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(53,207,154,.22);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(53,207,154,.22);}50%{box-shadow:0 0 0 8px rgba(53,207,154,.08);}}
.hero h1{
  font-size:clamp(28px,4.6vw,50px);line-height:1.32;margin:26px 0 20px;
  letter-spacing:1px;font-weight:800;color:var(--ink);
}
.hero h1 .hl{
  background:linear-gradient(120deg,#2fbf8f,#1f9c72);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:clamp(15px,1.6vw,18px);color:var(--ink-2);max-width:760px;margin:0 auto 16px;}
.hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:24px 0 34px;}
.hero-tags span{
  padding:7px 16px;border-radius:999px;font-size:13px;color:var(--mint-deep);
  background:rgba(255,255,255,.82);border:1px solid rgba(31,156,114,.22);transition:.25s;
}
.hero-tags span:hover{background:var(--mint);color:#fff;border-color:var(--mint);transform:translateY(-2px);}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:56px;}
.hero-actions .btn{padding:15px 36px;font-size:16px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  max-width:900px;margin:0 auto;
}
.hero-stat{
  background:rgba(255,255,255,.82);border:1px solid rgba(31,156,114,.16);
  border-radius:16px;padding:20px 14px;backdrop-filter:blur(6px);
  box-shadow:0 8px 20px rgba(31,156,114,.08);transition:transform .3s,box-shadow .3s;
}
.hero-stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.hero-stat b{display:block;font-size:clamp(22px,2.6vw,30px);color:var(--mint-deep);font-weight:800;letter-spacing:.5px;}
.hero-stat small{font-size:13px;color:var(--muted);}

/* ===== Section base ===== */
.sec{padding:90px 0;}
.sec.alt{background:var(--mint-soft);}
.sec-head{text-align:center;max-width:780px;margin:0 auto 54px;}
.sec-label{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--mint-deep);padding:6px 16px;border-radius:999px;
  background:var(--mint-light);margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,3vw,36px);font-weight:800;color:var(--ink);line-height:1.35;letter-spacing:.5px;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}

/* ===== Cards grid ===== */
.grid{display:grid;gap:24px;}
.g3{grid-template-columns:repeat(3,1fr);}
.g2{grid-template-columns:repeat(2,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:transform .3s,box-shadow .3s,border-color .3s;
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--mint),#8ee7c4);transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(31,156,114,.35);}
.card:hover::before{transform:scaleX(1);}
.card-ico{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--mint-light),#d6f5e8);color:var(--mint-deep);margin-bottom:18px;
}
.card-ico svg{width:26px;height:26px;}
.card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--ink);}
.card p{font-size:14.5px;color:var(--muted);}

/* ===== Ability list ===== */
.ability-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.ability-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;transition:.3s;
}
.ability-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(31,156,114,.35);}
.ability-item .ai-ico{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#35cf9a,#1f9c72);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.ability-item h4{font-size:15.5px;font-weight:700;margin-bottom:4px;color:var(--ink);}
.ability-item p{font-size:13.5px;color:var(--muted);line-height:1.6;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 22px;
  text-align:center;position:relative;transition:.3s;
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.step .num{
  width:48px;height:48px;margin:0 auto 16px;border-radius:50%;
  background:linear-gradient(135deg,#35cf9a,#1f9c72);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;
  box-shadow:0 8px 18px rgba(31,156,114,.28);
}
.step h4{font-size:16px;font-weight:700;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--muted);}

/* ===== Table ===== */
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--line);background:#fff;-webkit-overflow-scrolling:touch;}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px;}
thead th{
  background:linear-gradient(135deg,#eafaf3,#f6fffb);
  color:var(--ink);font-weight:700;padding:16px 18px;text-align:left;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:15px 18px;border-bottom:1px solid var(--mint-soft);color:var(--ink-2);vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:var(--mint-soft);}
td .yes{color:var(--mint-deep);font-weight:700;}
td .no{color:#b04a4a;}
.rating-star{color:#f5b301;letter-spacing:2px;font-size:15px;}

/* ===== Compare cards ===== */
.compare-banner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:linear-gradient(135deg,#f0fdf7,#e2f8ee);border:1px solid rgba(31,156,114,.28);
  border-radius:20px;padding:32px 36px;margin-bottom:36px;
}
.compare-banner .score-big{display:flex;align-items:baseline;gap:10px;}
.compare-banner .score-big b{font-size:52px;font-weight:800;color:var(--mint-deep);line-height:1;}
.compare-banner .score-big span{font-size:16px;color:var(--muted);}
.compare-banner h3{font-size:22px;font-weight:800;margin-bottom:8px;}
.compare-banner p{color:var(--ink-2);font-size:14.5px;}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--mint),#d6f5e8);}
.tl-item{position:relative;padding:0 0 30px 20px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--mint);box-shadow:0 0 0 4px rgba(53,207,154,.14);
}
.tl-item h4{font-size:16px;font-weight:700;margin-bottom:6px;}
.tl-item p{font-size:14px;color:var(--muted);}

/* ===== Chips / network ===== */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.chip{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);transition:.25s;}
.chip:hover{background:var(--mint);color:#fff;border-color:var(--mint);transform:translateY(-2px);}

/* ===== Review ===== */
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
  transition:.3s;display:flex;flex-direction:column;gap:14px;
}
.review:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(31,156,114,.35);}
.review .stars{color:#f5b301;letter-spacing:3px;font-size:15px;}
.review .content{font-size:14.5px;color:var(--ink-2);}
.review .who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px;}
.review .avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 44px;
  background:linear-gradient(135deg,#35cf9a,#1f9c72);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.review .who b{display:block;font-size:14.5px;}
.review .who small{color:var(--muted);font-size:12.5px;}

/* ===== Case ===== */
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(31,156,114,.35);}
.case-media{position:relative;overflow:hidden;background:var(--mint-soft);}
.case-media img{width:100%;height:230px;object-fit:cover;transition:transform .5s;}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-body{padding:24px 24px 28px;}
.case-body h3{font-size:17.5px;font-weight:700;margin-bottom:8px;}
.case-body p{font-size:14px;color:var(--muted);}
.case-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.case-meta span{font-size:12.5px;color:var(--mint-deep);background:var(--mint-light);padding:4px 12px;border-radius:999px;}

/* ===== Article ===== */
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.article-item{
  display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:22px 22px;transition:.3s;
}
.article-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(31,156,114,.35);}
.article-item .tag{font-size:12px;color:var(--mint-deep);background:var(--mint-light);padding:3px 12px;border-radius:999px;align-self:flex-start;}
.article-item h4{font-size:15.5px;font-weight:700;line-height:1.5;}
.article-item p{font-size:13.5px;color:var(--muted);}
.article-item a{font-size:13.5px;font-weight:600;margin-top:6px;}

/* ===== FAQ ===== */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s;}
.faq-item:hover{border-color:rgba(31,156,114,.35);box-shadow:var(--shadow);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:20px 24px;font-size:15.5px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:inherit;
}
.faq-q .ico{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--mint-light);color:var(--mint-deep);
  display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform .3s;}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:var(--mint);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:14.5px;}

/* ===== Form ===== */
.form-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 36px;box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-grid .full{grid-column:1/-1;}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--ink-2);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--line);
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfefd;transition:.25s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(53,207,154,.16);background:#fff;
}
.field textarea{resize:vertical;min-height:120px;}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:start;}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;}
.contact-list{display:flex;flex-direction:column;gap:16px;margin-top:6px;}
.contact-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);align-items:flex-start;}
.contact-list li b{color:var(--ink);min-width:76px;display:inline-block;}
.contact-list li a{word-break:break-all;}
.qr-box{text-align:center;}
.qr-box img{width:170px;height:170px;object-fit:cover;border-radius:14px;border:1px solid var(--line);margin:0 auto;}
.qr-box p{font-size:13.5px;color:var(--muted);margin-top:12px;}

/* ===== Price ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;
  text-align:center;transition:.3s;position:relative;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(31,156,114,.35);}
.price-card.featured{border:2px solid var(--mint);box-shadow:0 14px 34px rgba(31,156,114,.20);}
.price-card .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#35cf9a,#1f9c72);color:#fff;font-size:12px;font-weight:700;padding:4px 16px;border-radius:999px;white-space:nowrap;}
.price-card h4{font-size:17px;font-weight:700;margin-bottom:8px;}
.price-card .price{font-size:34px;font-weight:800;color:var(--mint-deep);line-height:1.2;margin:10px 0 4px;}
.price-card .price small{font-size:14px;font-weight:500;color:var(--muted);}
.price-card ul{text-align:left;margin:20px 0 24px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-2);}
.price-card ul li::before{content:"✓";color:var(--mint-deep);font-weight:800;margin-right:8px;}

/* ===== Agency ===== */
.agency-box{
  background:linear-gradient(135deg,#0f2a22,#1f4a3c);color:#fff;border-radius:24px;
  padding:56px 48px;position:relative;overflow:hidden;
}
.agency-box::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,207,154,.35),transparent 70%);right:-80px;top:-80px;pointer-events:none;
}
.agency-box h2{font-size:clamp(22px,2.8vw,32px);font-weight:800;margin-bottom:14px;position:relative;z-index:2;}
.agency-box p{color:rgba(255,255,255,.82);max-width:640px;font-size:15.5px;position:relative;z-index:2;}
.agency-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:32px 0 36px;position:relative;z-index:2;}
.agency-grid div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:20px;}
.agency-grid h4{font-size:15.5px;margin-bottom:6px;color:#8ee7c4;}
.agency-grid p{font-size:13.5px;color:rgba(255,255,255,.75);}
.agency-box .btn-primary{position:relative;z-index:2;}

/* ===== Footer ===== */
.site-footer{background:#0d211b;color:#c5d8d1;padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-brand .ai-page-logo{height:40px;margin-bottom:16px;}
.footer-brand p{color:#8fa8a0;font-size:13.5px;line-height:1.9;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul a{color:#a9c2ba;font-size:13.5px;}
.site-footer ul a:hover{color:#8ee7c4;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#7f978f;}
.footer-bottom a{color:#8ee7c4;}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 18px;padding:0 0 26px}
.friend-links a{color:#9db8b0;font-size:13px;}

/* ===== Floating ===== */
.float-wrap{position:fixed;right:22px;bottom:26px;z-index:950;display:flex;flex-direction:column;gap:12px;align-items:flex-end;}
.float-btn{
  width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,#35cf9a,#1f9c72);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(31,156,114,.42);transition:.3s;
}
.float-btn:hover{transform:translateY(-4px) scale(1.05);}
.float-btn svg{width:26px;height:26px;}
.float-panel{
  display:none;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:18px;box-shadow:var(--shadow-hover);text-align:center;width:200px;
}
.float-panel.show{display:block;animation:fadeUp .3s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
.float-panel img{width:150px;height:150px;object-fit:cover;border-radius:10px;margin:0 auto 10px;}
.float-panel p{font-size:13px;color:var(--muted);}
.float-panel .qq{font-size:13px;margin-top:6px;color:var(--mint-deep);font-weight:600;}
#backTop{opacity:0;visibility:hidden;transition:.3s;}
#backTop.show{opacity:1;visibility:visible;}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .g4{grid-template-columns:repeat(2,1fr);}
  .abilities,.ability-list{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .nav-cta .btn-ghost{display:none;}
}
@media (max-width:860px){
  .g3,.g2,.price-grid,.articles,.agency-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .form-grid{grid-template-columns:1fr;}
  .sec{padding:68px 0;}
  .agency-box{padding:40px 26px;}
  .compare-banner{padding:26px 22px;}
  .compare-banner .score-big b{font-size:42px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .hero{padding:64px 0 72px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
  .g4,.ability-list,.steps{grid-template-columns:1fr;}
  .nav-cta .btn-primary{padding:10px 18px;font-size:14px;}
  .brand-text span{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-wrap{right:14px;bottom:16px;}
  .price-card .price{font-size:28px;}
  .form-box{padding:26px 20px;}
  .sec-head{margin-bottom:38px;}
}