/* 单文科技 shanwenkj.top — 数据分析 SaaS 深炭灰 + 青绿荧光 主题 */
:root{
  --bg:#0e1116;
  --bg-2:#151a22;
  --panel:#1b222c;
  --panel-2:#232b37;
  --border:#2a3441;
  --border-soft:#212936;
  --text:#e9edf3;
  --text-mute:#9aa4b2;
  --text-dim:#6b7482;
  --primary:#2be2c0;         /* 青绿荧光 */
  --primary-soft:#5ff2d4;
  --primary-dim:#1aa88d;
  --accent:#ff8b5c;          /* 珊瑚橙点缀 */
  --gold:#f5d67a;
  --danger:#ff5670;
  --radius:14px;
  --radius-sm:10px;
  --shadow-lg:0 24px 60px -20px rgba(0,0,0,.6);
  --shadow-md:0 12px 32px -14px rgba(0,0,0,.55);
  --shadow-glow:0 0 0 1px rgba(43,226,192,.28),0 12px 40px -10px rgba(43,226,192,.25);
  --font-display:"Playfair Display","Noto Serif SC",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SF Mono",Menlo,monospace;
  --grid-line:rgba(255,255,255,.04);
}

*{box-sizing:border-box;margin:0;padding:0;-webkit-font-smoothing:antialiased}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:15px;
  min-height:100vh;
  background-image:
    radial-gradient(1000px 500px at 85% -10%, rgba(43,226,192,.10), transparent 60%),
    radial-gradient(700px 400px at -10% 30%, rgba(255,139,92,.06), transparent 60%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:auto, auto, 42px 42px, 42px 42px;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(14,17,22,.72);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--border-soft);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.02em}
.brand-logo{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dim));
  display:grid;place-items:center;
  font-family:var(--font-display);
  color:#0e1116;font-weight:800;
  box-shadow:0 6px 18px -4px rgba(43,226,192,.55);
}
.brand-en{font-family:var(--font-display);font-style:italic;color:var(--text-mute);font-size:12px;margin-left:2px}
.nav-menu{display:flex;gap:6px;list-style:none;align-items:center}
.nav-menu a{
  padding:8px 14px;border-radius:8px;
  color:var(--text-mute);font-size:14px;font-weight:500;
  transition:all .25s;position:relative;
}
.nav-menu a:hover,.nav-menu a.active{color:var(--primary);background:rgba(43,226,192,.06)}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 8px var(--primary);
}
.nav-cta{
  padding:9px 18px;border-radius:8px;
  background:var(--primary);color:#0a1512;font-weight:600;font-size:14px;
  transition:all .25s;
  box-shadow:0 6px 18px -6px rgba(43,226,192,.6);
}
.nav-cta:hover{transform:translateY(-1px);background:var(--primary-soft);box-shadow:0 10px 26px -6px rgba(43,226,192,.7)}
.menu-toggle{display:none;font-size:22px;color:var(--text)}

/* ===== Hero — split layout ===== */
.hero{padding:60px 0 40px;position:relative;overflow:hidden}
.hero-split{
  display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border:1px solid rgba(43,226,192,.35);
  background:rgba(43,226,192,.06);
  color:var(--primary);border-radius:99px;
  font-size:12px;font-weight:500;margin-bottom:22px;
  font-family:var(--font-mono);
}
.hero-eyebrow .pulse{
  width:7px;height:7px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 4px rgba(43,226,192,.2);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(43,226,192,.2)}50%{box-shadow:0 0 0 8px rgba(43,226,192,.05)}}
.hero h1{
  font-size:clamp(38px,5vw,64px);line-height:1.1;letter-spacing:-.02em;
  font-weight:700;margin-bottom:22px;
}
.hero h1 .display{font-family:var(--font-display);font-style:italic;font-weight:600;color:var(--primary)}
.hero h1 .stroke{
  -webkit-text-stroke:1.5px var(--primary);
  color:transparent;
}
.hero-lead{
  color:var(--text-mute);font-size:17px;max-width:520px;margin-bottom:32px;line-height:1.75;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:9px;font-weight:600;font-size:14px;
  transition:all .28s cubic-bezier(.4,0,.2,1);
  position:relative;overflow:hidden;
}
.btn-primary{background:var(--primary);color:#0a1512}
.btn-primary:hover{transform:skewX(-4deg);background:var(--primary-soft);box-shadow:0 14px 34px -10px rgba(43,226,192,.6)}
.btn-outline{
  border:1px solid var(--border);color:var(--text);
  background:rgba(255,255,255,.02);
}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:rgba(43,226,192,.06)}

/* Hero stats — 数据条 */
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-top:32px;border-top:1px dashed var(--border)}
.hero-stat .num{font-family:var(--font-display);font-size:32px;font-weight:700;color:var(--primary);letter-spacing:-.01em}
.hero-stat .num .unit{font-size:16px;color:var(--text-mute);margin-left:2px}
.hero-stat .label{color:var(--text-dim);font-size:12px;margin-top:4px;letter-spacing:.05em}

/* Hero visual — 数据感 dashboard */
.hero-panel{
  background:linear-gradient(160deg,var(--panel),var(--bg-2));
  border:1px solid var(--border);border-radius:18px;padding:22px;
  box-shadow:var(--shadow-lg);position:relative;
}
.hero-panel::before{
  content:"";position:absolute;inset:0;border-radius:18px;pointer-events:none;
  background:linear-gradient(160deg, rgba(43,226,192,.14), transparent 50%);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;position:relative}
.panel-title{font-size:13px;color:var(--text-mute);font-family:var(--font-mono);letter-spacing:.03em}
.panel-dot{display:flex;gap:6px}
.panel-dot span{width:8px;height:8px;border-radius:50%;background:var(--border)}
.panel-dot span:first-child{background:var(--primary)}

.metric-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;position:relative}
.metric{padding:14px;background:rgba(255,255,255,.02);border:1px solid var(--border-soft);border-radius:10px}
.metric-label{font-size:11px;color:var(--text-dim);letter-spacing:.06em;margin-bottom:6px}
.metric-val{font-family:var(--font-display);font-size:22px;color:var(--text);font-weight:700}
.metric-val .up{color:var(--primary);font-size:12px;margin-left:6px;font-family:var(--font-mono)}

.chart{position:relative;height:130px;background:rgba(255,255,255,.015);border-radius:10px;border:1px solid var(--border-soft);padding:14px;overflow:hidden}
.chart-title{font-size:11px;color:var(--text-dim);letter-spacing:.06em;margin-bottom:8px}
.chart svg{width:100%;height:calc(100% - 22px)}
.bar{fill:var(--primary);opacity:.85}
.bar.dim{opacity:.35}
.chart-line{stroke:var(--primary);stroke-width:2;fill:none;filter:drop-shadow(0 0 6px rgba(43,226,192,.6))}
.chart-fill{fill:url(#g1);opacity:.5}

.tags-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  padding:5px 11px;border-radius:6px;font-size:11px;
  border:1px solid var(--border);color:var(--text-mute);font-family:var(--font-mono);
  background:rgba(255,255,255,.02);
}
.tag.active{color:var(--primary);border-color:rgba(43,226,192,.4);background:rgba(43,226,192,.06)}

/* ===== Section ===== */
.section{padding:88px 0;position:relative}
.section-alt{background:var(--bg-2);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-eyebrow{
  display:inline-block;color:var(--primary);font-size:12px;letter-spacing:.2em;
  font-family:var(--font-mono);margin-bottom:14px;text-transform:uppercase;
}
.section-title{
  font-size:clamp(30px,3.6vw,44px);font-weight:700;letter-spacing:-.02em;line-height:1.15;
}
.section-title .display{font-family:var(--font-display);font-style:italic;color:var(--primary);font-weight:600}
.section-sub{color:var(--text-mute);font-size:16px;margin-top:16px;line-height:1.8}

/* ===== Capability timeline ===== */
.timeline{position:relative;max-width:900px;margin:0 auto;padding:20px 0}
.timeline::before{
  content:"";position:absolute;left:24px;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,transparent,var(--primary),transparent);
  opacity:.4;
}
.tl-item{
  position:relative;padding:20px 20px 20px 72px;margin-bottom:18px;
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  transition:all .3s;
}
.tl-item:hover{transform:translateX(6px);border-color:rgba(43,226,192,.4);box-shadow:var(--shadow-glow)}
.tl-num{
  position:absolute;left:8px;top:20px;
  width:34px;height:34px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);
  display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;color:var(--primary);font-size:14px;
  box-shadow:0 0 0 4px var(--bg),0 0 14px rgba(43,226,192,.4);
}
.tl-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.tl-title{font-size:18px;font-weight:600;color:var(--text)}
.tl-tag{font-size:11px;padding:3px 9px;border-radius:5px;background:rgba(43,226,192,.1);color:var(--primary);font-family:var(--font-mono)}
.tl-desc{color:var(--text-mute);font-size:14px;line-height:1.75}

/* ===== Stats band ===== */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--panel);
}
.stats-band .cell{
  padding:34px 24px;text-align:center;
  border-right:1px solid var(--border);position:relative;
  transition:background .3s;
}
.stats-band .cell:last-child{border-right:none}
.stats-band .cell:hover{background:rgba(43,226,192,.04)}
.stats-band .num{font-family:var(--font-display);font-size:44px;font-weight:700;color:var(--primary);letter-spacing:-.02em}
.stats-band .num .unit{font-size:18px;color:var(--text-mute);margin-left:2px}
.stats-band .label{color:var(--text-mute);font-size:13px;margin-top:6px;letter-spacing:.05em}

/* ===== Feature cards ===== */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.feature{
  padding:28px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  transition:all .35s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;
}
.feature::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .35s;
}
.feature:hover{transform:translateY(-4px);border-color:rgba(43,226,192,.35);box-shadow:var(--shadow-md)}
.feature:hover::before{transform:scaleX(1)}
.feature-icon{
  width:44px;height:44px;border-radius:10px;
  background:rgba(43,226,192,.1);color:var(--primary);
  display:grid;place-items:center;margin-bottom:18px;
}
.feature h3{font-size:18px;font-weight:600;margin-bottom:10px;color:var(--text)}
.feature p{color:var(--text-mute);font-size:14px;line-height:1.75}

/* ===== Service pricing cards ===== */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.p-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:all .35s;position:relative;
}
.p-card:hover{transform:translateY(-6px);border-color:rgba(43,226,192,.4);box-shadow:0 24px 60px -20px rgba(43,226,192,.25)}
.p-card.featured{border-color:var(--primary);box-shadow:var(--shadow-glow)}
.p-card.featured::before{
  content:"推荐方案";position:absolute;top:16px;right:16px;
  padding:4px 10px;background:var(--primary);color:#0a1512;
  font-size:11px;font-weight:600;border-radius:5px;z-index:2;
  font-family:var(--font-mono);
}
.p-img{position:relative;height:180px;overflow:hidden}
.p-img img{width:100%;height:100%;transition:transform .55s}
.p-card:hover .p-img img{transform:scale(1.06)}
.p-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,var(--panel))}
.p-body{padding:24px;flex:1;display:flex;flex-direction:column}
.p-tag{font-size:11px;color:var(--primary);font-family:var(--font-mono);letter-spacing:.06em;margin-bottom:8px;text-transform:uppercase}
.p-title{font-size:19px;font-weight:600;margin-bottom:10px;color:var(--text)}
.p-desc{color:var(--text-mute);font-size:13px;margin-bottom:20px;line-height:1.7;flex:1}
.p-price{display:flex;align-items:baseline;gap:6px;margin-bottom:20px;padding-top:20px;border-top:1px dashed var(--border)}
.p-price .unit{font-size:14px;color:var(--text-mute)}
.p-price .num{font-family:var(--font-display);font-size:34px;font-weight:700;color:var(--primary);letter-spacing:-.01em}
.p-price .cycle{font-size:12px;color:var(--text-dim);margin-left:6px}
.p-btn{
  display:block;text-align:center;padding:11px;
  border:1px solid var(--border);border-radius:8px;
  color:var(--text);font-size:14px;font-weight:500;
  transition:all .28s;
}
.p-btn:hover{border-color:var(--primary);color:var(--primary);background:rgba(43,226,192,.06)}
.p-card.featured .p-btn{background:var(--primary);color:#0a1512;border-color:var(--primary)}
.p-card.featured .p-btn:hover{background:var(--primary-soft)}

/* ===== Detail page tabs ===== */
.tabs{display:flex;gap:8px;border-bottom:1px solid var(--border);margin-bottom:36px;overflow-x:auto}
.tab{
  padding:14px 22px;color:var(--text-mute);font-size:14px;font-weight:500;
  position:relative;white-space:nowrap;transition:color .25s;
}
.tab.active{color:var(--primary)}
.tab.active::after{
  content:"";position:absolute;left:22px;right:22px;bottom:-1px;height:2px;
  background:var(--primary);box-shadow:0 0 8px var(--primary);
}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeIn .4s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

.detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.detail-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);position:relative}
.detail-img img{width:100%;height:auto}
.detail-body h3{font-family:var(--font-display);font-size:28px;margin-bottom:14px;color:var(--text);font-weight:700}
.detail-body .price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:22px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.detail-body .price-row .num{font-family:var(--font-display);font-size:42px;color:var(--primary);font-weight:700}
.detail-body .price-row .cycle{color:var(--text-mute);font-size:14px}
.detail-body ul{list-style:none;margin-bottom:26px}
.detail-body ul li{padding:9px 0;color:var(--text-mute);font-size:14px;display:flex;gap:10px;align-items:flex-start}
.detail-body ul li::before{content:"◆";color:var(--primary);flex-shrink:0;font-size:10px;margin-top:5px}

/* Reviews */
.reviews{margin-top:64px}
.reviews h4{font-size:20px;margin-bottom:24px;color:var(--text);font-weight:600}
.review{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;margin-bottom:14px;transition:border-color .25s;
}
.review:hover{border-color:rgba(43,226,192,.3)}
.review-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px}
.review-user{font-weight:600;color:var(--text);font-size:14px}
.review-user .role{color:var(--text-dim);font-weight:400;margin-left:8px;font-size:12px}
.review-date{color:var(--text-dim);font-size:12px;font-family:var(--font-mono)}
.stars{color:var(--gold);letter-spacing:2px;font-size:13px}
.review-text{color:var(--text-mute);font-size:14px;line-height:1.75}

/* ===== Order page ===== */
.order-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:start}
.form-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:32px}
.form-card h3{font-family:var(--font-display);font-size:24px;margin-bottom:22px;color:var(--text)}
.form-row{margin-bottom:20px}
.form-row label{display:block;color:var(--text);font-size:13px;font-weight:500;margin-bottom:8px}
.form-row label .req{color:var(--danger);margin-left:2px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;
  background:var(--bg);border:1px solid var(--border);border-radius:8px;
  color:var(--text);font-size:14px;font-family:inherit;
  transition:all .25s;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,226,192,.15);
}
.form-row textarea{min-height:110px;resize:vertical}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.summary-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;position:sticky;top:96px;
}
.summary-card h4{color:var(--primary);font-size:12px;letter-spacing:.15em;margin-bottom:18px;font-family:var(--font-mono);text-transform:uppercase}
.summary-item{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--border);font-size:14px}
.summary-item:last-of-type{border-bottom:none}
.summary-item .k{color:var(--text-mute)}
.summary-item .v{color:var(--text);font-weight:500}
.summary-total{display:flex;justify-content:space-between;align-items:baseline;margin-top:22px;padding-top:22px;border-top:1px solid var(--border)}
.summary-total .k{color:var(--text-mute);font-size:14px}
.summary-total .v{font-family:var(--font-display);font-size:32px;color:var(--primary);font-weight:700}

/* ===== About ===== */
.about-hero{padding:80px 0 40px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-grid img{border-radius:var(--radius);border:1px solid var(--border)}
.about-body h1{font-size:clamp(34px,4vw,52px);line-height:1.15;margin-bottom:22px}
.about-body h1 .display{font-family:var(--font-display);font-style:italic;color:var(--primary);font-weight:600}
.about-body p{color:var(--text-mute);font-size:16px;line-height:1.85;margin-bottom:16px}

.milestones{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:48px}
.milestone{
  padding:24px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  border-left:3px solid var(--primary);
}
.milestone .year{font-family:var(--font-display);font-size:24px;color:var(--primary);font-weight:700;margin-bottom:6px}
.milestone .txt{color:var(--text-mute);font-size:13px;line-height:1.7}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:48px}
.contact-item{
  padding:28px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  transition:all .3s;
}
.contact-item:hover{border-color:rgba(43,226,192,.4);transform:translateY(-3px)}
.contact-item .ic{
  width:42px;height:42px;border-radius:10px;
  background:rgba(43,226,192,.1);color:var(--primary);
  display:grid;place-items:center;margin-bottom:16px;
}
.contact-item h4{font-size:15px;margin-bottom:6px;color:var(--text)}
.contact-item p{color:var(--text-mute);font-size:14px;line-height:1.7}
.contact-item p a{color:var(--primary)}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-2);border-top:1px solid var(--border);
  padding:56px 0 24px;margin-top:80px;position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{color:var(--text-mute);font-size:13px;line-height:1.8}
.footer-col h5{color:var(--text);font-size:13px;font-weight:600;margin-bottom:14px;letter-spacing:.05em}
.footer-col ul{list-style:none}
.footer-col ul li{padding:5px 0;color:var(--text-mute);font-size:13px}
.footer-col ul li a{transition:color .2s}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bar{
  border-top:1px solid var(--border);padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--text-dim);font-size:12px;
}
.footer-bar a{color:var(--text-mute);transition:color .2s}
.footer-bar a:hover{color:var(--primary)}

/* ===== Float buttons ===== */
.float-btn{
  position:fixed;right:24px;
  width:48px;height:48px;border-radius:12px;
  background:var(--panel);border:1px solid var(--border);
  color:var(--primary);
  display:grid;place-items:center;
  cursor:pointer;z-index:99;
  transition:all .3s cubic-bezier(.4,0,.2,1);
  box-shadow:var(--shadow-md);
}
.float-btn:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:var(--shadow-glow)}
.float-btn.top{bottom:100px;opacity:0;pointer-events:none;transform:translateY(10px)}
.float-btn.top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-btn.chat{bottom:24px;background:var(--primary);color:#0a1512;border-color:var(--primary)}
.float-btn.chat::after{
  content:"";position:absolute;top:-2px;right:-2px;
  width:10px;height:10px;background:var(--accent);border-radius:50%;
  border:2px solid var(--bg);
  animation:pulse 2s infinite;
}

/* ===== Utility ===== */
.fade-up{opacity:0;transform:translateY(24px);transition:all .7s cubic-bezier(.4,0,.2,1)}
.fade-up.show{opacity:1;transform:translateY(0)}

.page-hero{padding:70px 0 40px;text-align:center;border-bottom:1px solid var(--border-soft);position:relative}
.page-hero .crumb{color:var(--text-dim);font-size:12px;font-family:var(--font-mono);letter-spacing:.1em;margin-bottom:14px}
.page-hero h1{font-size:clamp(34px,4vw,52px);letter-spacing:-.02em;line-height:1.15;margin-bottom:14px}
.page-hero h1 .display{font-family:var(--font-display);font-style:italic;color:var(--primary);font-weight:600}
.page-hero p{color:var(--text-mute);max-width:680px;margin:0 auto;font-size:16px;line-height:1.75}

/* ===== Responsive ===== */
@media (max-width:960px){
  .hero-split,.detail-grid,.about-grid,.order-wrap{grid-template-columns:1fr;gap:40px}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .stats-band .cell:nth-child(2){border-right:none}
  .stats-band .cell:nth-child(1),.stats-band .cell:nth-child(2){border-bottom:1px solid var(--border)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .summary-card{position:static}
}
@media (max-width:720px){
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-2);border-bottom:1px solid var(--border);flex-direction:column;padding:12px}
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%;padding:12px 14px}
  .menu-toggle{display:block}
  .nav-cta{padding:8px 14px;font-size:13px}
  .hero{padding:40px 0 30px}
  .hero-stats{grid-template-columns:1fr;gap:14px;padding-top:22px}
  .section{padding:60px 0}
  .stats-band{grid-template-columns:1fr}
  .stats-band .cell{border-right:none;border-bottom:1px solid var(--border)}
  .stats-band .cell:last-child{border-bottom:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .form-row-2{grid-template-columns:1fr}
  .container{padding:0 18px}
}