*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:#1e1712;
  background-color:#fff7f1;
  background-image:
    radial-gradient(900px 520px at 88% -6%,rgba(255,138,61,.24),transparent 70%),
    radial-gradient(760px 460px at -6% 28%,rgba(255,182,124,.22),transparent 72%),
    linear-gradient(180deg,#fff9f4 0%,#fffdfb 46%,#fff4ea 100%);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
a{color:#c9490a;}
h1,h2,h3,h4{color:#1e1712;letter-spacing:.2px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px;}
section{padding:58px 0;}
.section-head{max-width:780px;margin-bottom:32px;}
.section-head h2{margin:0 0 12px;font-size:clamp(22px,3vw,32px);line-height:1.35;}
.section-head p{margin:0;color:#6f5d51;font-size:15.5px;}
.tagline{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:#d9500a;background:rgba(255,106,19,.1);border:1px solid rgba(255,106,19,.2);border-radius:999px;padding:5px 14px;margin-bottom:14px;}
.tagline::before{content:"";width:6px;height:6px;border-radius:50%;background:#ff6a13;}

/* Header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,251,247,.94);backdrop-filter:saturate(170%) blur(10px);border-bottom:1px solid rgba(255,170,110,.3);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:70px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand .ai-page-logo{display:block;width:126px;object-fit:contain;}
.nav-links{display:flex;align-items:center;gap:0;}
.nav-links a{display:block;padding:8px 10px;font-size:14.5px;color:#4b3c32;text-decoration:none;border-radius:9px;white-space:nowrap;transition:color .2s ease,background .2s ease;}
.nav-links a:hover{color:#d9500a;background:rgba(255,106,19,.1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:42px;height:38px;border:1px solid #f3d7c1;background:#fff;border-radius:10px;cursor:pointer;padding:0 10px;}
.nav-toggle span{display:block;height:2px;background:#d9500a;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15.5px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .2s ease;}
.btn-primary{background:linear-gradient(135deg,#ff7a26,#df4f00);color:#fff;box-shadow:0 14px 26px -16px rgba(223,79,0,.95);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(223,79,0,1);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:#c24400;border-color:rgba(233,93,12,.35);}
.btn-ghost:hover{transform:translateY(-2px);background:#fff3e8;}
.btn-sm{padding:9px 18px;font-size:14px;}

/* Hero */
.hero{padding:56px 0 30px;position:relative;overflow:hidden;}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.hero h1{margin:0 0 18px;font-size:clamp(27px,4.2vw,44px);line-height:1.28;}
.hero-lead{margin:0 0 26px;color:#5b4a3f;font-size:16.5px;max-width:580px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px;}
.hero-note{margin:0;font-size:13.5px;color:#8a776a;}
.hero-visual{position:relative;}
.panel{background:#fff;border:1px solid #f7e2d2;border-radius:22px;padding:22px;box-shadow:0 32px 60px -42px rgba(190,90,20,.65);}
.panel-head{display:flex;align-items:center;gap:8px;font-size:13px;color:#8c7869;letter-spacing:.6px;margin-bottom:16px;}
.panel-head .dot{width:8px;height:8px;border-radius:50%;background:#ff6a13;box-shadow:0 0 0 4px rgba(255,106,19,.18);}
.chip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
.chip-grid span{display:block;text-align:center;font-size:12.5px;padding:9px 4px;border-radius:10px;background:#fff7f1;color:#6a5445;border:1px solid #f8e7d9;transition:background .2s ease,color .2s ease,transform .2s ease;}
.chip-grid span:hover{background:#ffefe2;color:#c24400;transform:translateY(-2px);}

/* Metrics */
.metrics{padding:14px 0 6px;}
.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.metric{background:#fff;border:1px solid #f7e4d5;border-radius:16px;padding:20px;text-align:center;transition:transform .25s ease,box-shadow .25s ease;}
.metric:hover{transform:translateY(-3px);box-shadow:0 22px 40px -32px rgba(200,95,25,.8);}
.metric strong{display:block;font-size:26px;color:#dd5400;line-height:1.3;}
.metric span{font-size:13.5px;color:#7b685b;}

/* Grids & Cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.card{background:#fff;border:1px solid #f6e3d4;border-radius:18px;padding:24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:0 26px 46px -34px rgba(200,95,25,.8);border-color:#ffcda6;}
.card h3{margin:0 0 10px;font-size:17.5px;}
.card p{margin:0;color:#6c5a4e;font-size:14.5px;}
.card-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#ff8f4d,#ec5a05);color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;}

/* Media frames */
.media-frame{border-radius:18px;overflow:hidden;border:1px solid #f6e3d4;background:#fff5ec;aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;}
.media-frame img{display:block;width:100%;height:100%;object-fit:contain;}
.media-stack{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.media-stack .media-frame{aspect-ratio:4/3;}
.case-cover{border-radius:14px;overflow:hidden;border:1px solid #f6e3d4;background:#fff5ec;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.case-cover img{display:block;width:100%;height:100%;object-fit:contain;}

/* Feature list */
.feature-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px;}
.feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:#4b3c32;}
.feature-list .tick{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:rgba(255,106,19,.14);color:#d9500a;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:3px;}

/* Timeline */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px;}
.step{position:relative;background:#fff;border:1px solid #f6e3d4;border-radius:16px;padding:22px 20px;transition:transform .25s ease,box-shadow .25s ease;}
.step:hover{transform:translateY(-4px);box-shadow:0 24px 42px -32px rgba(200,95,25,.8);}
.step .step-no{font-size:13px;font-weight:700;color:#dd5400;letter-spacing:1px;margin-bottom:8px;display:block;}
.step h3{margin:0 0 8px;font-size:16.5px;}
.step p{margin:0;font-size:14px;color:#6c5a4e;}

/* Tags */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a,.tag-cloud span{display:inline-block;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid #f7e0cd;color:#6b5647;font-size:14px;text-decoration:none;transition:background .2s ease,color .2s ease,transform .2s ease;}
.tag-cloud a:hover,.tag-cloud span:hover{background:#fff0e3;color:#c24400;transform:translateY(-2px);}

/* Table */
.table-wrap{overflow-x:auto;border:1px solid #f4e1d1;border-radius:16px;background:#fff;}
table{width:100%;border-collapse:collapse;min-width:680px;}
th,td{padding:14px 16px;text-align:left;font-size:14.5px;border-bottom:1px solid #f7e8db;vertical-align:top;}
thead th{background:#fff3e8;color:#8a3f0d;font-weight:700;white-space:nowrap;}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover td{background:#fffaf6;}
td strong{color:#c24400;}

/* Rating */
.rating-panel{display:flex;flex-wrap:wrap;align-items:center;gap:26px;background:linear-gradient(135deg,#fff4ea,#fffdfb);border:1px solid #ffd9b8;border-radius:20px;padding:24px 28px;margin-bottom:24px;}
.rating-panel .stars{font-size:24px;letter-spacing:4px;color:#ff7a1a;}
.rating-panel .score{font-size:42px;font-weight:800;color:#df4f00;line-height:1;}
.rating-panel .score span{font-size:16px;color:#a08877;font-weight:600;}
.rating-panel p{margin:0;font-size:14.5px;color:#6c5a4e;}

/* Reviews */
.review-card{background:#fff;border:1px solid #f6e3d4;border-radius:18px;padding:22px;transition:transform .25s ease,box-shadow .25s ease;}
.review-card:hover{transform:translateY(-4px);box-shadow:0 26px 46px -34px rgba(200,95,25,.8);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#ffa76a,#ef5c06);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex:0 0 auto;}
.review-top strong{display:block;font-size:15px;}
.review-top .role{display:block;font-size:12.5px;color:#94806f;}
.review-card p{margin:0;font-size:14.5px;color:#5f4f44;}

/* Form */
.form-card{background:#fff;border:1px solid #f6e3d4;border-radius:20px;padding:28px;box-shadow:0 30px 56px -46px rgba(190,90,20,.9);}
.req-form{display:grid;gap:16px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.req-form label{display:block;font-size:14px;color:#4b3c32;font-weight:600;}
.req-form input,.req-form select,.req-form textarea{width:100%;margin-top:7px;padding:12px 14px;border:1px solid #f0d9c6;border-radius:11px;background:#fffdfb;color:#1e1712;font-size:14.5px;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;}
.req-form input:focus,.req-form select:focus,.req-form textarea:focus{outline:none;border-color:#ff9a55;box-shadow:0 0 0 3px rgba(255,138,61,.18);}
.req-form textarea{resize:vertical;}
.form-hint{font-size:12.5px;color:#94806f;margin:0;}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid #f6e3d4;border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:#ffc99e;box-shadow:0 22px 40px -34px rgba(200,95,25,.9);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 20px;background:none;border:0;text-align:left;font-size:15.5px;font-weight:600;color:#2a211c;cursor:pointer;font-family:inherit;}
.faq-q:hover{color:#c24400;}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:rgba(255,106,19,.12);color:#d9500a;display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .25s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{margin:0;padding:0 20px 18px;font-size:14.5px;color:#6c5a4e;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start;}
.contact-list{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:14px;}
.contact-list li{font-size:15px;color:#4b3c32;background:#fff;border:1px solid #f6e3d4;border-radius:12px;padding:13px 16px;}
.contact-list li span{color:#8b7666;font-size:13.5px;display:block;}
.qr-card{background:#fff;border:1px solid #f6e3d4;border-radius:18px;padding:22px;text-align:center;}
.qr-card img{display:block;width:170px;margin:0 auto 12px;border-radius:12px;}
.qr-card p{margin:0;font-size:13.5px;color:#6c5a4e;}

/* Float */
.float-contact{position:fixed;right:18px;bottom:88px;z-index:90;}
.float-toggle{width:52px;height:52px;border-radius:50%;border:0;background:linear-gradient(135deg,#ff7a26,#df4f00);color:#fff;font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 16px 30px -14px rgba(223,79,0,.9);transition:transform .2s ease;}
.float-toggle:hover{transform:translateY(-3px);}
.float-panel{position:absolute;right:0;bottom:64px;width:210px;background:#fff;border:1px solid #f6e3d4;border-radius:16px;padding:16px;box-shadow:0 28px 50px -30px rgba(120,60,10,.6);display:none;text-align:center;}
.float-panel.show{display:block;animation:pop .22s ease;}
.float-panel img{display:block;width:100%;border-radius:10px;margin-bottom:10px;}
.float-panel p{margin:0;font-size:12.5px;color:#6c5a4e;}
@keyframes pop{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.back-top{position:fixed;right:18px;bottom:22px;z-index:90;width:52px;height:52px;border-radius:50%;border:1px solid #f3d7c1;background:#fff;color:#c24400;font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 14px 26px -18px rgba(120,60,10,.7);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .2s ease;transform:translateY(8px);}
.back-top.show{opacity:1;pointer-events:auto;transform:none;}

/* Footer */
.site-footer{margin-top:20px;background:#1f1710;color:#f3e9e1;}
.site-footer a{color:#ffb37a;text-decoration:none;}
.site-footer a:hover{color:#ffd2ae;text-decoration:underline;}
.footer-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:34px;padding:42px 20px 26px;align-items:start;}
.footer-brand .ai-page-logo{display:block;width:132px;margin-bottom:12px;filter:brightness(1.15);}
.footer-brand p{margin:0;font-size:14px;color:#cbb9ab;}
.footer-links h3{margin:0 0 12px;font-size:14px;color:#ffd2ae;font-weight:700;letter-spacing:.5px;}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:14px;}
.footer-bottom{border-top:1px solid rgba(255,180,120,.2);padding:16px 20px 24px;font-size:13px;color:#b8a598;}
.footer-bottom p{margin:0;}

/* Reveal */
.reveal{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease;}
body.js-ready .reveal{opacity:0;transform:translateY(18px);}
body.js-ready .reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  body.js-ready .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* Responsive */
@media (max-width:1080px){
  .nav-toggle{display:flex;}
  .nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fffaf6;border-bottom:1px solid #f3e0d0;padding:8px 16px 16px;box-shadow:0 24px 40px -30px rgba(120,60,10,.6);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 6px;border-bottom:1px solid #f7e9dd;}
  .nav-links a:last-child{border-bottom:0;}
}
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .contact-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .metrics-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:620px){
  section{padding:44px 0;}
  .grid-3,.grid-2,.form-row,.media-stack,.timeline{grid-template-columns:1fr;}
  .chip-grid{grid-template-columns:repeat(3,1fr);}
  .rating-panel{padding:20px;}
  .form-card{padding:20px;}
}