:root{
  --c-ink:#1c1410;--c-ink-2:#3f2c20;--c-mute:#7a6657;--c-line:#fde7d3;
  --c-bg:#fffaf3;--c-card:#ffffff;--c-soft:#fff4e3;--c-deep:#2a1810;
  --c-orange:#ea580c;--c-orange-2:#f97316;--c-amber:#f59e0b;--c-lemon:#facc15;--c-coffee:#92400e;
  --grad-main:linear-gradient(135deg,#ea580c 0%,#f97316 45%,#facc15 100%);
  --grad-soft:linear-gradient(135deg,#fff4e3 0%,#fef3c7 100%);
  --grad-dark:linear-gradient(135deg,#2a1810 0%,#7c2d12 60%,#ea580c 100%);
  --shadow-sm:0 2px 12px rgba(234,88,12,.08);
  --shadow-md:0 10px 36px rgba(234,88,12,.14);
  --shadow-lg:0 24px 64px rgba(234,88,12,.20);
  --r-sm:10px;--r-md:18px;--r-lg:26px;--r-pill:999px;
  --f-sans:'PingFang SC','Helvetica Neue',-apple-system,'Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--f-sans);color:var(--c-ink);background:var(--c-bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 28px}

/* topbar */
.topbar{background:var(--c-deep);color:#fed7aa;font-size:13px;padding:10px 0}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.topbar a{color:var(--c-lemon);font-weight:600;margin-left:8px}

/* nav — left-aligned sidebar style top bar */
.nav{background:#fff;border-bottom:2px solid var(--c-line);position:sticky;top:0;z-index:50}
.nav .wrap{display:flex;justify-content:space-between;align-items:center;height:78px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800;font-size:21px;color:var(--c-ink)}
.brand-mark{width:46px;height:46px;border-radius:13px;background:var(--grad-main);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800;box-shadow:var(--shadow-sm);transform:rotate(-3deg)}
.brand-meta{display:flex;flex-direction:column;line-height:1.1}
.brand-meta small{font-size:11px;color:var(--c-mute);letter-spacing:2px;font-weight:500}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:11px 18px;border-radius:8px;font-size:15px;color:var(--c-ink-2);font-weight:500;transition:.2s;position:relative}
.nav-links a:hover{color:var(--c-orange)}
.nav-links a.active{color:var(--c-orange)}
.nav-links a.active::after{content:'';position:absolute;left:18px;right:18px;bottom:4px;height:3px;background:var(--grad-main);border-radius:3px}
.nav-cta{background:var(--c-deep)!important;color:#fff!important;padding:12px 22px!important;font-weight:600!important;border-radius:var(--r-pill)!important}
.nav-cta:hover{background:var(--c-orange)!important;transform:translateY(-1px)}
.nav-cta.active::after{display:none}

/* hero — full-width split with dark left and image right */
.hero{background:var(--grad-dark);color:#fff;padding:90px 0 100px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(250,204,21,.25),transparent 65%);top:-100px;right:-100px;pointer-events:none}
.hero::after{content:'';position:absolute;width:300px;height:300px;background:radial-gradient(circle,rgba(234,88,12,.3),transparent 70%);bottom:-50px;left:30%;pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:var(--r-pill);background:rgba(250,204,21,.15);color:var(--c-lemon);font-size:13px;font-weight:600;letter-spacing:1.5px;border:1px solid rgba(250,204,21,.3);margin-bottom:26px}
.hero-eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:var(--c-lemon);box-shadow:0 0 0 4px rgba(250,204,21,.3)}
.hero h1{font-size:60px;line-height:1.12;letter-spacing:-1.5px;font-weight:900;margin-bottom:24px}
.hero h1 em{font-style:normal;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:18px;color:#fed7aa;max-width:540px;margin-bottom:36px;line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:var(--r-pill);font-weight:600;font-size:15px;transition:.25s;border:none;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--grad-main);color:#1c1410;box-shadow:var(--shadow-md)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-dark{background:var(--c-deep);color:#fff}
.btn-dark:hover{background:#1c1410}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--r-lg);box-shadow:0 30px 80px rgba(0,0,0,.4);aspect-ratio:1/1.05;object-fit:cover}
.hero-chip{position:absolute;background:#fff;color:var(--c-ink);padding:14px 20px;border-radius:var(--r-md);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:14px}
.hero-chip-1{top:30px;left:-35px}
.hero-chip-2{bottom:60px;right:-30px}
.hero-chip .ico{width:42px;height:42px;border-radius:12px;background:var(--grad-soft);display:grid;place-items:center;font-size:20px;color:var(--c-orange)}
.hero-chip strong{display:block;font-size:14px;font-weight:700;color:var(--c-ink)}
.hero-chip span{font-size:12px;color:var(--c-mute)}

/* stats */
.stats-bar{padding:60px 0;background:#fff;border-bottom:1px solid var(--c-line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stats-grid>div{text-align:center;padding:0 12px;border-right:1px dashed var(--c-line)}
.stats-grid>div:last-child{border-right:none}
.stat-num{font-size:48px;font-weight:900;color:var(--c-orange);line-height:1;letter-spacing:-1px}
.stat-num span:last-child{font-size:22px;color:var(--c-amber);margin-left:4px}
.stat-label{margin-top:12px;color:var(--c-mute);font-size:13px;letter-spacing:1px}

/* sections */
.sec{padding:90px 0}
.sec-head{text-align:center;margin-bottom:55px}
.sec-tag{display:inline-block;padding:6px 16px;border-radius:var(--r-pill);background:var(--c-soft);color:var(--c-orange);font-size:13px;font-weight:700;margin-bottom:16px;letter-spacing:1.5px}
.sec-head h2{font-size:42px;font-weight:900;letter-spacing:-1px;margin-bottom:14px;line-height:1.25}
.sec-head h2 em{font-style:normal;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{color:var(--c-mute);font-size:16px;max-width:620px;margin:0 auto;line-height:1.8}

/* services grid — vertical card with side accent */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc-card{background:var(--c-card);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s;position:relative;border:1px solid #ffead0}
.svc-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:0;background:var(--grad-main);transition:.3s}
.svc-card:hover::before{height:100%}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.svc-card .cover{aspect-ratio:5/3;overflow:hidden;position:relative}
.svc-card .cover img{width:100%;height:100%;object-fit:cover;transition:.5s}
.svc-card:hover .cover img{transform:scale(1.07)}
.svc-card .cover .price-tag{position:absolute;top:16px;right:16px;background:var(--c-deep);color:var(--c-lemon);padding:7px 16px;border-radius:var(--r-pill);font-weight:700;font-size:13px}
.svc-card .cover .ai-badge{position:absolute;top:16px;left:16px;background:var(--grad-main);color:#1c1410;padding:5px 12px;border-radius:var(--r-pill);font-weight:700;font-size:11px;letter-spacing:1px}
.svc-body{padding:24px 26px 26px}
.svc-cat{font-size:12px;color:var(--c-orange);font-weight:700;letter-spacing:1.5px}
.svc-card h3{font-size:20px;font-weight:800;margin:10px 0 12px;line-height:1.4}
.svc-card p{color:var(--c-mute);font-size:14px;line-height:1.75;margin-bottom:18px;min-height:50px}
.svc-meta{display:flex;justify-content:space-between;align-items:center;padding-top:18px;border-top:1px dashed var(--c-line)}
.svc-meta .price{font-size:24px;font-weight:900;color:var(--c-orange)}
.svc-meta .price small{font-size:12px;color:var(--c-mute);font-weight:500;margin-left:4px}
.svc-meta a{color:var(--c-deep);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:4px}
.svc-meta a:hover{color:var(--c-orange)}

/* features alt — horizontal split */
.feat-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feat-card{padding:32px 30px;background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:.3s;display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:start;border:1px solid #ffead0}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-amber)}
.feat-icon{width:64px;height:64px;border-radius:16px;background:var(--grad-soft);display:grid;place-items:center;font-size:28px;color:var(--c-orange);font-weight:900}
.feat-card h4{font-size:18px;font-weight:800;margin-bottom:10px}
.feat-card p{color:var(--c-mute);font-size:14px;line-height:1.75}

/* case grid — full-width image with overlay text */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.case-card{background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s;position:relative}
.case-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.case-card .cover{aspect-ratio:16/9;overflow:hidden;position:relative}
.case-card .cover img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case-card:hover .cover img{transform:scale(1.06)}
.case-card .cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(28,20,16,.85));pointer-events:none}
.case-card .cover .tag{position:absolute;top:18px;left:18px;background:var(--grad-main);color:#1c1410;padding:6px 14px;border-radius:var(--r-pill);font-weight:700;font-size:11px;letter-spacing:1px;z-index:2}
.case-card .body{padding:24px 28px}
.case-card h4{font-size:18px;font-weight:800;margin-bottom:10px;line-height:1.4}
.case-card p{color:var(--c-mute);font-size:14px;line-height:1.7;margin-bottom:12px}
.case-card .meta{font-size:12px;color:var(--c-orange);font-weight:600;letter-spacing:1px}

/* reviews — column layout with quote */
.rv-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rv-card{background:#fff;border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--shadow-sm);position:relative;border:1px solid #ffead0;transition:.3s}
.rv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.rv-card::before{content:'"';position:absolute;top:16px;right:24px;font-size:60px;color:var(--c-lemon);font-family:Georgia,serif;line-height:1;opacity:.6}
.rv-text{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin-bottom:20px;min-height:78px}
.rv-foot{display:flex;align-items:center;gap:14px;padding-top:18px;border-top:1px dashed var(--c-line)}
.rv-avatar{width:46px;height:46px;border-radius:50%;background:var(--grad-main);color:#1c1410;display:grid;place-items:center;font-weight:800;font-size:16px}
.rv-name{font-weight:700;font-size:14px}
.rv-meta{font-size:12px;color:var(--c-mute);margin-top:2px}
.rv-stars{color:var(--c-amber);font-size:13px;letter-spacing:2px}

/* cta */
.cta-band{padding:70px 0;background:var(--grad-dark);color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(250,204,21,.2),transparent 70%);top:-50px;left:-50px}
.cta-band .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:center}
.cta-band h3{font-size:34px;font-weight:900;margin-bottom:14px;line-height:1.3}
.cta-band p{color:#fed7aa;font-size:16px;line-height:1.8}
.cta-band .btns{display:flex;flex-direction:column;gap:12px}

/* detail */
.crumb{padding:22px 0;color:var(--c-mute);font-size:13px}
.crumb a{color:var(--c-mute)}
.crumb a:hover{color:var(--c-orange)}
.detail-head{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;padding:30px 0 70px}
.detail-cover{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--c-deep)}
.detail-cover img{aspect-ratio:4/3;object-fit:cover}
.detail-info .cat{display:inline-block;padding:5px 14px;background:var(--c-soft);color:var(--c-orange);font-weight:700;font-size:12px;letter-spacing:1.5px;border-radius:var(--r-pill);margin-bottom:14px}
.detail-info h1{font-size:36px;font-weight:900;margin-bottom:16px;line-height:1.3;letter-spacing:-.5px}
.detail-info .desc{color:var(--c-mute);font-size:15px;line-height:1.9;margin-bottom:22px}
.detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.detail-tags span{background:var(--c-soft);color:var(--c-orange);padding:6px 14px;border-radius:var(--r-pill);font-size:12px;font-weight:600;border:1px solid #fed7aa}
.price-box{background:var(--c-deep);color:#fed7aa;border-radius:var(--r-lg);padding:26px;margin-bottom:26px;position:relative;overflow:hidden}
.price-box::before{content:'';position:absolute;width:200px;height:200px;background:radial-gradient(circle,rgba(250,204,21,.15),transparent 70%);top:-50px;right:-50px}
.price-box .now{font-size:42px;font-weight:900;color:var(--c-lemon);line-height:1}
.price-box .now small{font-size:14px;color:#fed7aa;font-weight:500;margin-left:6px}
.price-box .old{color:#fed7aa;text-decoration:line-through;font-size:14px;margin-top:8px;opacity:.6}
.detail-actions{display:flex;gap:12px}
.detail-spec{display:grid;grid-template-columns:repeat(2,1fr);gap:36px;padding:54px 0;border-top:2px solid var(--c-line)}
.detail-spec h3{font-size:22px;font-weight:800;margin-bottom:18px}
.detail-spec ul{list-style:none;padding:0}
.detail-spec li{padding:14px 0;border-bottom:1px dashed var(--c-line);display:flex;justify-content:space-between;font-size:14px;color:var(--c-ink-2)}
.detail-spec li span:first-child{color:var(--c-mute)}
.detail-spec li span:last-child{font-weight:700}
.detail-content{padding:54px 0;border-top:2px solid var(--c-line)}
.detail-content h3{font-size:26px;font-weight:800;margin-bottom:20px}
.detail-content p{color:var(--c-ink-2);font-size:15px;line-height:1.95;margin-bottom:14px}
.detail-content img{border-radius:var(--r-md);margin:24px 0}

/* form */
.form-wrap{max-width:800px;margin:0 auto;background:#fff;border-radius:var(--r-lg);padding:44px;box-shadow:var(--shadow-md);border:2px solid var(--c-line)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:18px}
.form-row.full{grid-template-columns:1fr}
.form-group label{display:block;font-size:13px;color:var(--c-ink-2);font-weight:700;margin-bottom:8px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:14px 16px;border:2px solid var(--c-line);border-radius:var(--r-sm);font-family:inherit;font-size:14px;transition:.2s;background:#fffaf3}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--c-orange);background:#fff;box-shadow:0 0 0 4px rgba(234,88,12,.12)}
.form-group textarea{min-height:110px;resize:vertical}
.pay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.pay-opt{padding:18px 14px;border:2px solid var(--c-line);border-radius:var(--r-md);text-align:center;cursor:pointer;transition:.2s;background:#fff}
.pay-opt.on,.pay-opt:hover{border-color:var(--c-orange);background:var(--c-soft);color:var(--c-orange)}
.pay-opt strong{display:block;font-size:14px;font-weight:700}
.pay-opt small{display:block;font-size:11px;color:var(--c-mute);margin-top:4px}
.summary{background:var(--c-soft);border-radius:var(--r-md);padding:20px;margin:22px 0;font-size:14px;border:1px solid #fed7aa}
.summary .row{display:flex;justify-content:space-between;padding:6px 0}
.summary .total{border-top:1px dashed #fdba74;margin-top:10px;padding-top:10px;font-size:18px;font-weight:800;color:var(--c-orange)}

/* about */
.about-hero{padding:70px 0;background:var(--grad-soft);position:relative;overflow:hidden}
.about-hero::before{content:'';position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(234,88,12,.1),transparent 70%);bottom:-100px;right:-100px}
.about-hero .wrap{position:relative;z-index:1}
.about-hero h1{font-size:46px;font-weight:900;text-align:center;margin-bottom:16px;letter-spacing:-1px}
.about-hero h1 em{font-style:normal;color:var(--c-orange)}
.about-hero p{text-align:center;color:var(--c-mute);max-width:700px;margin:0 auto;font-size:16px;line-height:1.85}

.timeline{position:relative;max-width:880px;margin:0 auto;padding:40px 0}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--c-orange),var(--c-lemon));transform:translateX(-50%);border-radius:3px}
.tl-item{display:grid;grid-template-columns:1fr 70px 1fr;gap:24px;align-items:center;margin-bottom:34px}
.tl-year{background:var(--c-deep);color:var(--c-lemon);width:70px;height:70px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:15px;box-shadow:var(--shadow-md);z-index:2;border:3px solid var(--c-lemon)}
.tl-body{background:#fff;padding:20px 24px;border-radius:var(--r-md);box-shadow:var(--shadow-sm);border:1px solid var(--c-line)}
.tl-body h4{font-size:17px;font-weight:800;margin-bottom:8px;color:var(--c-orange)}
.tl-body p{color:var(--c-mute);font-size:13px;line-height:1.7;margin:0}
.tl-item:nth-child(even) .tl-body{grid-column:3}
.tl-item:nth-child(even) > div:first-child{order:3}

.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.team-card{text-align:center;background:#fff;padding:30px 20px;border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:.3s;border:1px solid var(--c-line)}
.team-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.team-avatar{width:88px;height:88px;border-radius:50%;margin:0 auto 16px;overflow:hidden;box-shadow:var(--shadow-md);border:3px solid var(--c-lemon)}
.team-card h5{font-weight:800;font-size:16px}
.team-card span{color:var(--c-orange);font-size:12px;font-weight:700;letter-spacing:1.5px}
.team-card p{font-size:12px;color:var(--c-mute);margin-top:10px;line-height:1.65}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:start}
.contact-info{background:var(--grad-dark);color:#fff;padding:40px;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.contact-info::before{content:'';position:absolute;width:300px;height:300px;background:radial-gradient(circle,rgba(250,204,21,.18),transparent 70%);top:-80px;right:-80px}
.contact-info h3{font-size:26px;font-weight:900;margin-bottom:12px;position:relative}
.contact-info > p{color:#fed7aa;margin-bottom:28px;font-size:14px;line-height:1.8;position:relative}
.contact-info ul{list-style:none;position:relative}
.contact-info li{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);display:flex;align-items:start;gap:14px;font-size:14px}
.contact-info li strong{display:block;font-size:11px;color:var(--c-lemon);letter-spacing:1.5px;margin-bottom:5px;font-weight:700}
.contact-info li span{font-weight:600;font-size:15px;color:#fff}

/* footer */
.footer{background:var(--c-deep);color:#a89485;padding:70px 0 32px;margin-top:70px;position:relative;overflow:hidden}
.footer::before{content:'';position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(234,88,12,.08),transparent 70%);bottom:-200px;left:-100px}
.footer .wrap{position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px;margin-bottom:46px}
.foot-brand{font-size:23px;font-weight:900;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:13px}
.foot-grid p{font-size:13px;line-height:1.85;color:#8b7568}
.foot-grid h5{color:#fff;font-size:14px;margin-bottom:18px;font-weight:700;letter-spacing:1px}
.foot-grid ul{list-style:none}
.foot-grid li{padding:6px 0;font-size:13px}
.foot-grid li a{color:#8b7568;transition:.2s}
.foot-grid li a:hover{color:var(--c-lemon)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:12px;color:#6b574a}
.foot-bottom a{color:var(--c-amber);font-weight:600}
.foot-bottom a:hover{color:var(--c-lemon)}

/* float */
.float-btn{position:fixed;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-lg);transition:.2s;z-index:99;border:none}
.float-btn:hover{transform:translateY(-3px) scale(1.06)}
#topBtn{bottom:32px;right:32px;background:#fff;color:var(--c-orange);font-size:24px;border:2px solid var(--c-amber);opacity:0;visibility:hidden}
#topBtn.show{opacity:1;visibility:visible}
#chatBtn{bottom:115px;right:32px;background:var(--grad-main);color:#1c1410;font-size:26px}
.chat-panel{position:fixed;bottom:185px;right:32px;width:350px;max-height:500px;background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);z-index:98;display:none;flex-direction:column;overflow:hidden;border:2px solid var(--c-amber)}
.chat-panel.show{display:flex}
.chat-head{background:var(--c-deep);color:var(--c-lemon);padding:16px 20px;display:flex;justify-content:space-between;align-items:center}
.chat-head strong{font-size:15px}
.chat-head .close{cursor:pointer;font-size:22px;background:none;border:none;color:var(--c-lemon)}
.chat-body{flex:1;padding:16px;overflow-y:auto;max-height:310px}
.chat-msg{margin-bottom:12px;font-size:13px;line-height:1.65}
.chat-msg.bot{background:var(--c-soft);padding:10px 14px;border-radius:var(--r-md) var(--r-md) var(--r-md) 4px;max-width:82%}
.chat-msg.me{background:var(--c-orange);color:#fff;padding:10px 14px;border-radius:var(--r-md) var(--r-md) 4px var(--r-md);max-width:82%;margin-left:auto}
.chat-input{display:flex;border-top:1px solid var(--c-line);padding:10px}
.chat-input input{flex:1;border:none;padding:10px;font-size:13px;outline:none;background:transparent}
.chat-input button{background:var(--grad-main);color:#1c1410;border:none;padding:0 18px;border-radius:var(--r-pill);font-weight:700;cursor:pointer;font-size:13px}

@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:50px}
  .hero h1{font-size:42px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid>div{border-right:none}
  .svc-grid,.feat-wrap,.rv-list{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .detail-head{grid-template-columns:1fr}
  .detail-spec{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .cta-band .wrap{grid-template-columns:1fr}
  .timeline::before{left:30px}
  .tl-item{grid-template-columns:70px 1fr;gap:16px}
  .tl-item:nth-child(even) .tl-body{grid-column:2}
  .tl-item:nth-child(even) > div:first-child{order:0}
  .feat-card{grid-template-columns:54px 1fr}
}
@media (max-width:640px){
  .nav .wrap{height:66px}
  .nav-links{display:none}
  .hero{padding:60px 0 70px}
  .hero h1{font-size:32px}
  .sec{padding:60px 0}
  .sec-head h2{font-size:30px}
  .svc-grid,.feat-wrap,.rv-list,.foot-grid,.team-grid,.stats-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .pay-grid{grid-template-columns:1fr}
  .form-wrap{padding:26px}
  .chat-panel{width:calc(100vw - 64px);right:32px}
  .brand-meta{display:none}
}