:root{
  --brand:#FF7043; --brand-dark:#F4511E; --ink:#2A2724; --muted:#6B655E;
  --bg:#FFFCF9; --bg-alt:#FBF4EE; --line:#EFE7DF; --card:#FFFFFF;
  --shadow:0 18px 40px -24px rgba(120,72,40,.45);
  --radius:20px; --wrap:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.12em;font-weight:600;
  color:var(--brand-dark);background:rgba(255,112,67,.1);padding:5px 12px;border-radius:999px;margin-bottom:16px}
h1{font-size:clamp(32px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.01em}
h3{font-size:20px;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:16px;padding:14px 26px;border-radius:999px;cursor:pointer;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease;border:none}
.btn:hover{transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -10px rgba(255,112,67,.7)}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark)}
.btn-light{background:#fff;color:var(--brand-dark)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,252,249,.82);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px}
.brand-mark{font-size:22px}
.nav-links{display:flex;gap:30px;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--brand-dark)}

/* hero */
.hero{position:relative;overflow:hidden;
  background:radial-gradient(1200px 500px at 80% -10%,rgba(255,112,67,.14),transparent 60%),var(--bg)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:72px 24px 84px}
.hero-copy .lead{font-size:18px;color:var(--muted);margin:20px 0 28px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:44px}
.hero-stats strong{display:block;font-size:28px;font-weight:800;color:var(--brand-dark)}
.hero-stats span{font-size:14px;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:26px;box-shadow:var(--shadow);object-fit:cover;aspect-ratio:4/3.4}
.hero-badge{position:absolute;left:20px;bottom:20px;display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(6px);padding:10px 16px;border-radius:14px;
  font-size:14px;font-weight:600;box-shadow:0 10px 30px -12px rgba(0,0,0,.3)}
.hero-badge .dot{width:9px;height:9px;border-radius:50%;background:#2ecc71;
  box-shadow:0 0 0 4px rgba(46,204,113,.25);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* sections */
.section{padding:84px 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:640px;margin:0 auto 48px}
.section-head p{color:var(--muted);font-size:17px;margin-top:12px}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-img{aspect-ratio:1/1;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-img img{transform:scale(1.06)}
.card-body{padding:20px}
.card-body p{color:var(--muted);font-size:14.5px;margin-top:8px}

/* features */
.features{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.features-media img{width:100%;border-radius:24px;box-shadow:var(--shadow);object-fit:cover;aspect-ratio:4/3.2}
.feature-list{list-style:none;margin:24px 0 30px;display:grid;gap:16px}
.feature-list li{position:relative;padding-left:34px;color:var(--muted);font-size:15.5px}
.feature-list li b{display:block;color:var(--ink);font-size:16.5px;margin-bottom:2px}
.feature-list li::before{content:"✓";position:absolute;left:0;top:2px;width:22px;height:22px;
  background:var(--brand);color:#fff;border-radius:50%;font-size:13px;display:grid;place-items:center;font-weight:700}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;text-align:center}
.step-no{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;font-size:22px;font-weight:800;margin-bottom:18px}
.step p{color:var(--muted);font-size:14.5px;margin-top:8px}

/* reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.stars{color:#FFB300;letter-spacing:2px;margin-bottom:14px}
.review blockquote{font-size:15.5px;color:var(--ink)}
.review figcaption{display:flex;align-items:center;gap:12px;margin-top:20px;font-size:14px;color:var(--muted)}
.review figcaption img{width:42px;height:42px;border-radius:50%;object-fit:cover}

/* cta */
.cta{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;padding:72px 0}
.cta-inner{text-align:center}
.cta h2{color:#fff}
.cta p{margin:14px 0 28px;opacity:.92;font-size:17px}

/* footer */
.footer{background:#211E1B;color:#C9C2BA;padding:56px 0 0}
.footer-inner{display:grid;grid-template-columns:1.2fr 2fr;gap:40px;padding-bottom:40px}
.footer-brand .brand-name{color:#fff;font-weight:800;font-size:18px}
.footer-brand p{margin-top:10px;font-size:14px;opacity:.7}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-links h4{color:#fff;font-size:14px;margin-bottom:14px}
.footer-links a{display:block;font-size:14px;padding:5px 0;opacity:.75}
.footer-links a:hover{opacity:1;color:var(--brand)}
.footer-bar{border-top:1px solid #35302B;padding:20px 0;font-size:13px;opacity:.6;text-align:center}

/* responsive */
@media(max-width:960px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:48px 24px 60px}
  .features{grid-template-columns:1fr;gap:32px}
  .features-media{order:-1}
  .steps,.reviews{grid-template-columns:1fr}
  .nav-links{display:none}
  .footer-inner{grid-template-columns:1fr;gap:28px}
}
@media(max-width:560px){
  .cards{grid-template-columns:1fr}
  .hero-stats{gap:26px}
  .hero-stats strong{font-size:23px}
  .section{padding:56px 0}
  .footer-links{grid-template-columns:1fr 1fr}
}