*{margin:0;padding:0;box-sizing:border-box}
:root{
  --red:#d92b2b;
  --red-deep:#a81c1c;
  --red-soft:#fdecec;
  --red-line:#f3c9c9;
  --ink:#1f1a1a;
  --ink-2:#4a3f3f;
  --ink-3:#7a6e6e;
  --bg:#fffaf8;
  --bg-2:#fff3f0;
  --card:#ffffff;
  --line:#f0e2de;
  --shadow:0 10px 30px rgba(190,40,40,.08);
  --shadow-lg:0 18px 50px rgba(190,40,40,.14);
}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  background:linear-gradient(180deg,#fff8f6 0%,#fffaf8 30%,#fff3f0 70%,#fff8f6 100%);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:72px 0;position:relative}
.sec-head{text-align:center;margin-bottom:44px}
.sec-tag{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--red);background:var(--red-soft);border:1px solid var(--red-line);
  padding:5px 16px;border-radius:999px;margin-bottom:16px;
}
.sec-head h2{font-size:32px;line-height:1.35;color:var(--ink);font-weight:800;letter-spacing:.5px}
.sec-head p{margin-top:12px;color:var(--ink-3);font-size:15px;max-width:720px;margin-left:auto;margin-right:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#e8352f,#b81f1f);color:#fff;box-shadow:0 8px 22px rgba(200,40,40,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(200,40,40,.36)}
.btn-ghost{background:#fff;color:var(--red);border-color:var(--red-line)}
.btn-ghost:hover{background:var(--red-soft);transform:translateY(-2px)}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,250,248,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--red-deep);flex-shrink:0}
.brand .ai-page-logo{height:34px;width:auto}
.brand-text{display:flex;align-items:center;gap:8px}
.brand-text small{font-size:11px;font-weight:600;color:var(--ink-3);letter-spacing:1px;border-left:1px solid var(--line);padding-left:8px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  font-size:14px;font-weight:600;color:var(--ink-2);padding:8px 11px;border-radius:8px;
  transition:color .2s ease,background .2s ease;position:relative;
}
.nav-links a:hover{color:var(--red);background:var(--red-soft)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-cta .btn{padding:9px 20px;font-size:13.5px}
.menu-toggle{
  display:none;background:var(--red-soft);border:1px solid var(--red-line);color:var(--red-deep);
  width:42px;height:40px;border-radius:10px;cursor:pointer;font-size:18px;font-weight:700;
  align-items:center;justify-content:center;
}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:12px 20px 20px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 12px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink-2)}
.mobile-menu a:hover{background:var(--red-soft);color:var(--red)}
.mobile-menu .btn{margin-top:12px;width:100%}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;padding:74px 0 80px;
  background:
    radial-gradient(900px 460px at 12% 0%,rgba(233,64,52,.13),transparent 62%),
    radial-gradient(760px 420px at 92% 8%,rgba(255,160,120,.20),transparent 60%),
    linear-gradient(160deg,#fff6f3 0%,#fffaf8 52%,#fdeeea 100%);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(217,43,43,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(217,43,43,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 78%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--red-deep);background:#fff;border:1px solid var(--red-line);
  padding:7px 16px;border-radius:999px;box-shadow:var(--shadow);margin-bottom:22px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--red);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.hero h1{
  font-size:46px;line-height:1.22;font-weight:900;letter-spacing:.5px;color:var(--ink);
}
.hero h1 em{font-style:normal;color:var(--red);position:relative}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
  background:rgba(217,43,43,.14);border-radius:4px;z-index:-1;
}
.hero-sub{margin-top:20px;font-size:16px;color:var(--ink-2);max-width:560px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
.hero-tags span{
  font-size:12.5px;font-weight:600;color:var(--red-deep);background:rgba(255,255,255,.85);
  border:1px solid var(--red-line);padding:5px 13px;border-radius:999px;
}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.stat-num{font-size:29px;font-weight:900;color:var(--red);line-height:1.15;letter-spacing:.5px}
.stat-num small{font-size:14px;font-weight:700}
.stat-label{margin-top:6px;font-size:13px;color:var(--ink-3);font-weight:600}
.stat-card.wide{grid-column:span 2;display:flex;align-items:center;justify-content:space-between;gap:12px}
.stat-card.wide .stat-label{margin-top:0}
.stat-card.wide .badge-run{
  font-size:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,#e8352f,#b81f1f);
  padding:5px 13px;border-radius:999px;white-space:nowrap;
}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.about-text h2{font-size:30px;font-weight:800;line-height:1.35;margin-bottom:18px}
.about-text p{color:var(--ink-2);font-size:15px;margin-bottom:14px}
.about-chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.about-chips span{
  font-size:13px;font-weight:600;color:var(--red-deep);background:#fff;
  border:1px solid var(--red-line);padding:6px 14px;border-radius:8px;
}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.about-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.about-card h3{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:8px}
.about-card p{font-size:13.5px;color:var(--ink-3);line-height:1.7}

/* ===== Service cards ===== */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 22px;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  position:relative;overflow:hidden;
}
.service-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--red),#ffb199);
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--red-line)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--red-soft);color:var(--red);font-size:19px;font-weight:900;margin-bottom:16px;
}
.service-card h3{font-size:17px;font-weight:800;margin-bottom:9px;color:var(--ink)}
.service-card p{font-size:13.5px;color:var(--ink-3);line-height:1.72}

/* ===== One stop / scenarios ===== */
.scene-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.scene-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 14px;
  font-size:13.5px;font-weight:700;color:var(--ink-2);text-align:center;
  transition:all .25s ease;box-shadow:0 4px 14px rgba(190,40,40,.05);
}
.scene-item:hover{background:var(--red-soft);color:var(--red-deep);border-color:var(--red-line);transform:translateY(-3px)}
.model-cloud{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:32px}
.model-cloud span{
  font-size:12.5px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;transition:all .2s ease;
}
.model-cloud span:hover{color:var(--red);border-color:var(--red-line);background:var(--red-soft)}

/* ===== Industry ===== */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.industry-card{
  background:linear-gradient(160deg,#fff,#fff6f4);border:1px solid var(--line);
  border-radius:16px;padding:24px;transition:all .3s ease;
}
.industry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--red-line)}
.industry-card h3{font-size:16.5px;font-weight:800;margin-bottom:10px;color:var(--red-deep)}
.industry-card p{font-size:13.5px;color:var(--ink-3);line-height:1.75}

/* ===== Network ===== */
.network{background:linear-gradient(180deg,#fff4f1,#fffaf8);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.network-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 18px;
  text-align:center;box-shadow:var(--shadow);transition:all .3s ease;
}
.network-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.network-item strong{display:block;font-size:16px;font-weight:800;color:var(--ink);margin-bottom:6px}
.network-item span{font-size:13px;color:var(--ink-3)}

/* ===== Process ===== */
.process-line{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.process-step{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 16px;
  text-align:center;box-shadow:var(--shadow);position:relative;transition:all .3s ease;
}
.process-step:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--red-line)}
.step-num{
  width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#e8352f,#b81f1f);
  color:#fff;font-size:15px;font-weight:900;display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;
}
.process-step h3{font-size:14.5px;font-weight:800;margin-bottom:7px;color:var(--ink)}
.process-step p{font-size:12.5px;color:var(--ink-3);line-height:1.65}

/* ===== Cases ===== */
.case-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start}
.case-main{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;
  box-shadow:var(--shadow);transition:all .3s ease;
}
.case-main:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.case-main .case-img{border-radius:14px;overflow:hidden;background:var(--bg-2)}
.case-main .case-img img{width:100%;height:auto}
.case-main h3{font-size:18px;font-weight:800;margin:16px 4px 8px}
.case-main p{font-size:13.5px;color:var(--ink-3);padding:0 4px 8px;line-height:1.72}
.case-side{display:grid;grid-template-columns:1fr;gap:18px}
.case-side .case-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);transition:all .3s ease;
}
.case-side .case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-side .case-card img{width:100%;height:auto}
.case-side .case-body{padding:14px 16px 16px}
.case-side .case-body h3{font-size:15px;font-weight:800;margin-bottom:6px}
.case-side .case-body p{font-size:12.5px;color:var(--ink-3);line-height:1.65}

/* ===== Compare ===== */
.compare{background:linear-gradient(180deg,#fffaf8,#fff2ef);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.compare-top{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:32px}
.score-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 22px;text-align:center;
  box-shadow:var(--shadow);transition:all .3s ease;
}
.score-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.score-card .stars{color:#e8352f;font-size:22px;letter-spacing:3px;margin-bottom:10px}
.score-card .score{font-size:40px;font-weight:900;color:var(--red);line-height:1}
.score-card .score small{font-size:15px;color:var(--ink-3);font-weight:600}
.score-card p{margin-top:10px;font-size:13.5px;color:var(--ink-3);font-weight:600}
.table-scroll{width:100%;overflow-x:auto;border-radius:16px;box-shadow:var(--shadow)}
table.compare-table{width:100%;min-width:640px;border-collapse:collapse;background:#fff;font-size:14px}
table.compare-table thead th{
  background:linear-gradient(135deg,#e8352f,#b81f1f);color:#fff;font-weight:700;
  padding:15px 18px;text-align:left;white-space:nowrap;
}
table.compare-table thead th:first-child{border-top-left-radius:14px}
table.compare-table thead th:last-child{border-top-right-radius:14px}
table.compare-table tbody td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
table.compare-table tbody tr:nth-child(even){background:#fff9f8}
table.compare-table tbody tr:last-child td{border-bottom:none}
table.compare-table tbody td:first-child{font-weight:700;color:var(--ink)}
.mark-yes{color:var(--red);font-weight:800}

/* ===== Form ===== */
.match-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.match-info h2{font-size:30px;font-weight:800;line-height:1.35;margin-bottom:16px}
.match-info p{font-size:14.5px;color:var(--ink-2);margin-bottom:20px}
.contact-list{display:grid;gap:12px;margin-top:24px}
.contact-row{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;font-size:14px;color:var(--ink-2);
  box-shadow:0 4px 14px rgba(190,40,40,.05);
}
.contact-row strong{color:var(--red-deep);font-weight:800;flex-shrink:0}
.contact-row span{color:var(--ink-2);word-break:break-all}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px;
  box-shadow:var(--shadow-lg);
}
.form-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
.form-card .form-tip{font-size:13px;color:var(--ink-3);margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:14px;color:var(--ink);background:#fffdfc;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(217,43,43,.1);
}
.field textarea{resize:vertical;min-height:102px}
.form-submit{width:100%;margin-top:6px;padding:14px;font-size:15px}
.form-note{font-size:12px;color:var(--ink-3);margin-top:12px;text-align:center}

/* ===== Price reference ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 24px;
  box-shadow:var(--shadow);transition:all .3s ease;position:relative;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.price-card.hot{border-color:var(--red);box-shadow:0 16px 40px rgba(200,40,40,.16)}
.price-card .hot-tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,#e8352f,#b81f1f);color:#fff;font-size:12px;font-weight:700;
  padding:5px 16px;border-radius:999px;white-space:nowrap;
}
.price-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.price-card .price-desc{font-size:13px;color:var(--ink-3);margin-bottom:18px;line-height:1.7}
.price-card ul{display:grid;gap:9px;margin-bottom:22px}
.price-card li{font-size:13.5px;color:var(--ink-2);display:flex;gap:8px;line-height:1.6}
.price-card li::before{content:"◆";color:var(--red);font-size:10px;line-height:1.9}
.price-card .btn{width:100%}

/* ===== Reviews ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;
  box-shadow:var(--shadow);transition:all .3s ease;display:flex;flex-direction:column;
}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--red-line)}
.review-stars{color:#e8352f;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.review-text{font-size:14px;color:var(--ink-2);line-height:1.8;flex-grow:1}
.review-user{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.review-avatar{
  width:38px;height:38px;border-radius:50%;background:var(--red-soft);color:var(--red-deep);
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:14px;flex-shrink:0;
}
.review-user strong{display:block;font-size:13.5px;font-weight:800;color:var(--ink)}
.review-user span{font-size:12px;color:var(--ink-3)}

/* ===== Articles ===== */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;
  box-shadow:var(--shadow);transition:all .3s ease;display:flex;flex-direction:column;
}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--red-line)}
.article-tag{
  display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;color:var(--red-deep);
  background:var(--red-soft);border-radius:999px;padding:4px 12px;margin-bottom:13px;
}
.article-card h3{font-size:15.5px;font-weight:800;line-height:1.5;margin-bottom:10px}
.article-card p{font-size:13px;color:var(--ink-3);line-height:1.7;flex-grow:1}
.article-link{
  margin-top:16px;font-size:13.5px;font-weight:700;color:var(--red);
  display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease;
}
.article-link:hover{gap:10px}

/* ===== FAQ ===== */
.faq{background:linear-gradient(180deg,#fff7f5,#fffaf8);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item.active{border-color:var(--red-line);box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:14.5px;font-weight:700;color:var(--ink);font-family:inherit;line-height:1.55;
}
.faq-q .plus{
  width:24px;height:24px;border-radius:50%;background:var(--red-soft);color:var(--red);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
  flex-shrink:0;transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.active .plus{transform:rotate(45deg);background:var(--red);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 20px 18px;font-size:13.5px;color:var(--ink-3);line-height:1.8}

/* ===== Footer ===== */
.site-footer{
  background:#241717;color:#e9dede;padding:54px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:36px}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand p{font-size:13px;color:#c4b4b4;line-height:1.8;margin-bottom:16px}
.footer-social{display:grid;gap:8px}
.footer-social span{font-size:12.5px;color:#c4b4b4}
.footer-social strong{color:#ffd9d4;font-weight:700}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col a,.footer-col p{display:block;font-size:12.5px;color:#c4b4b4;line-height:1.9;transition:color .2s ease}
.footer-col a:hover{color:#ffb3aa}
.footer-links{display:grid;gap:6px}
.footer-qr{text-align:center}
.footer-qr img{width:120px;height:120px;object-fit:cover;border-radius:10px;margin:0 auto 8px;background:#fff;padding:4px}
.footer-qr p{font-size:12px;color:#c4b4b4;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;
  font-size:12px;color:#a89898;
}
.footer-bottom a{color:#d8c8c8}
.footer-bottom a:hover{color:#ffb3aa}
.friend-links{display:flex;flex-wrap:wrap;gap:14px}
.friend-links a{font-size:12px;color:#c4b4b4}
.friend-links a:hover{color:#ffb3aa}

/* ===== Float ===== */
.float-tools{position:fixed;right:18px;bottom:22px;display:flex;flex-direction:column;gap:10px;z-index:150}
.float-btn{
  width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
  box-shadow:0 8px 24px rgba(160,30,30,.28);transition:transform .25s ease,box-shadow .25s ease;
  color:#fff;background:linear-gradient(135deg,#e8352f,#b81f1f);
}
.float-btn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 14px 30px rgba(160,30,30,.36)}
.float-btn.ghost{background:#fff;color:var(--red-deep);border:1px solid var(--red-line);font-size:20px}
.qr-pop{
  position:fixed;right:78px;bottom:22px;width:190px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:12px;box-shadow:var(--shadow-lg);z-index:149;display:none;
}
.qr-pop.show{display:block;animation:fadeUp .3s ease}
.qr-pop img{width:100%;height:auto;border-radius:8px}
.qr-pop p{text-align:center;font-size:12px;color:var(--ink-3);margin-top:8px}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .hero h1{font-size:38px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .industry-grid{grid-template-columns:repeat(2,1fr)}
  .network-grid{grid-template-columns:repeat(2,1fr)}
  .process-line{grid-template-columns:repeat(3,1fr)}
  .case-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr}
  .match-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .compare-top{grid-template-columns:1fr}
  .scene-wrap{grid-template-columns:repeat(3,1fr)}
  .nav-links{display:none}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
}
@media(max-width:720px){
  section{padding:54px 0}
  .hero{padding:52px 0 58px}
  .hero h1{font-size:30px;line-height:1.28}
  .hero-sub{font-size:14.5px}
  .sec-head h2{font-size:24px}
  .about-text h2,.match-info h2{font-size:23px}
  .sec-head{margin-bottom:32px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
  .stat-num{font-size:24px}
  .stat-card.wide{grid-column:span 2}
  .service-grid{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:1fr}
  .network-grid{grid-template-columns:1fr}
  .process-line{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
  .article-grid{grid-template-columns:1fr}
  .scene-wrap{grid-template-columns:1fr 1fr}
  .about-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .form-row{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;text-align:center}
  .friend-links{justify-content:center}
  .float-tools{right:12px;bottom:16px}
  .float-btn{width:44px;height:44px;font-size:11px}
  .qr-pop{right:64px;bottom:16px;width:168px}
  .compare-table{font-size:13px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}