/* 森然利华官网 - 首页专用样式 */


/* ===== RESET ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;color:var(--text-body);line-height:1.7;background:#fff;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color .25s}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700}
button{font-family:inherit;cursor:pointer}

/* ===== VARIABLES ===== */
:root{
  --c-primary:#0d9488;
  --c-primary-dark:#0f766e;
  --c-primary-light:#5eead4;
  --c-primary-pale:#f0fdfa;
  --c-accent:#2563eb;
  --c-accent-light:#60a5fa;
  --c-accent-pale:#eff6ff;
  --c-dark:#0f172a;
  --c-heading:#1e293b;
  --c-body:#475569;
  --c-muted:#94a3b8;
  --c-border:#e2e8f0;
  --c-bg:#f8fafc;
  --c-white:#ffffff;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04);
  --shadow:0 4px 6px -1px rgba(0,0,0,.06),0 2px 4px -2px rgba(0,0,0,.04);
  --shadow-lg:0 10px 25px -3px rgba(0,0,0,.08),0 4px 6px -4px rgba(0,0,0,.04);
  --shadow-xl:0 20px 40px -8px rgba(0,0,0,.1);
  --radius:12px;
  --radius-lg:20px;
  --radius-full:9999px;
  --max-w:1200px;
  --header-h:72px;
  --transition:cubic-bezier(.22,1,.36,1);
}

/* ===== UTILITIES ===== */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.text-center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-full);font-size:.95rem;font-weight:600;border:none;transition:all .35s var(--transition);cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;box-shadow:0 4px 14px rgba(13,148,136,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(13,148,136,.35)}
.btn-outline{background:transparent;border:2px solid rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-white{background:#fff;color:var(--c-primary-dark);box-shadow:0 4px 14px rgba(0,0,0,.1)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.15)}

/* ===== HEADER ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.04);transition:all .3s}
.site-header.scrolled{box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);max-width:var(--max-w);margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:10px}
.logo-icon{
	width: 40px;
	height: 40px;
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0
}
.logo-text{font-size:1.05rem;font-weight:700;color:var(--c-dark);letter-spacing:-.3px}
.logo-sub{font-size:.7rem;color:var(--c-muted);font-weight:400;letter-spacing:.3px}
.nav{display:flex;align-items:center;gap:2px}
.nav a{padding:8px 14px;font-size:.88rem;color:var(--c-body);font-weight:500;border-radius:8px;transition:all .25s;position:relative}
.nav a:hover,.nav a.active{color:var(--c-primary);background:var(--c-primary-pale)}
.nav-phone{margin-left:16px;padding:8px 20px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;border-radius:var(--radius-full);font-size:.85rem;font-weight:600;display:flex;align-items:center;gap:6px;box-shadow:0 2px 8px rgba(13,148,136,.2);transition:all .3s}
.nav-phone:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(13,148,136,.3)}
.mobile-toggle{display:none;background:none;border:none;padding:8px;width:44px;height:44px}
.mobile-toggle span{display:block;width:22px;height:2px;background:var(--c-dark);margin:5px auto;transition:.3s;border-radius:2px}
.mobile-menu{display:none;position:fixed;top:var(--header-h);left:0;right:0;background:#fff;box-shadow:var(--shadow-lg);padding:16px 24px;z-index:999;max-height:calc(100vh - var(--header-h));overflow-y:auto}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 0;font-size:1rem;color:var(--c-body);border-bottom:1px solid var(--c-border)}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding-top:var(--header-h);background:linear-gradient(160deg,#0f4c75 0%,#1e3a5f 20%,#0d9488 55%,#2563eb 85%,#0f4c75 100%);background-size:300% 300%}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg::before{content:'';position:absolute;top:10%;right:-5%;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(94,234,212,.15) 0%,transparent 70%)}
.hero-bg::after{content:'';position:absolute;bottom:5%;left:-8%;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(96,165,250,.1) 0%,transparent 70%)}
.hero-particles{position:absolute;inset:0;overflow:hidden}
.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding:60px 0}
.hero-text h1{font-size:2.6rem;font-weight:800;color:#fff;line-height:1.35;margin-bottom:20px;letter-spacing:-.5px}
.hero-slogan{font-size:.82rem;color:rgba(255,255,255,.55);letter-spacing:2px;margin-bottom:14px;font-weight:500;text-transform:uppercase}
.hero-text h1 .highlight{background:linear-gradient(135deg,var(--c-primary-light),var(--c-accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text .subtitle{font-size:1.1rem;color:rgba(255,255,255,.8);margin-bottom:36px;line-height:1.8;max-width:520px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:flex;gap:40px}
.stat-item .stat-num{font-size:2.2rem;font-weight:800;color:var(--c-primary-light);display:block;line-height:1}
.stat-item .stat-label{font-size:.82rem;color:rgba(255,255,255,.6);margin-top:6px}
.hero-visual{position:relative}
.hero-card{background:rgba(255,255,255,.08);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:32px}
.hero-card h3{font-size:1.1rem;font-weight:600;color:#fff;margin-bottom:20px}
.hc-item{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start}
.hc-icon{width:42px;height:42px;border-radius:10px;background:rgba(94,234,212,.15);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.hc-item strong{color:#fff;display:block;margin-bottom:3px;font-size:.92rem}
.hc-item p{font-size:.85rem;color:rgba(255,255,255,.7);line-height:1.6}
.hero-badge{position:absolute;top:-16px;right:-8px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;padding:8px 18px;border-radius:var(--radius-full);font-size:.8rem;font-weight:700;box-shadow:0 4px 16px rgba(13,148,136,.3)}

/* ===== TRUST BAR ===== */
.trust-bar{background:#fff;border-bottom:1px solid var(--c-border);overflow:hidden;padding:14px 0}
.trust-track{display:flex;width:max-content}
.trust-track:hover{animation-play-state:paused}
.trust-row{display:flex;align-items:center;gap:48px;padding:0 24px;flex-shrink:0}
.trust-chip{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--c-muted);white-space:nowrap}
.trust-chip svg{color:var(--c-primary);flex-shrink:0}

/* ===== SECTION HEADER ===== */
.sec-header{text-align:center;margin-bottom:56px}
.sec-tag{display:inline-block;padding:6px 16px;background:var(--c-primary-pale);color:var(--c-primary);border-radius:var(--radius-full);font-size:.82rem;font-weight:600;margin-bottom:12px;letter-spacing:.5px}
.sec-header h2{font-size:2rem;font-weight:800;color:var(--c-heading);margin-bottom:12px;letter-spacing:-.3px}
.sec-header p{font-size:1rem;color:var(--c-muted);max-width:560px;margin:0 auto}

/* ===== ABOUT ===== */
.about-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.about-img{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;background:linear-gradient(135deg,var(--c-primary-pale),var(--c-accent-pale))}
.about-img img{width:100%;height:100%;object-fit:cover}
.about-text .tag{color:var(--c-primary);font-size:.9rem;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.about-text h2{font-size:1.9rem;font-weight:800;color:var(--c-heading);margin-bottom:16px}
.about-text p{color:var(--c-body);margin-bottom:14px;line-height:1.8}
.about-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.about-chip{padding:6px 14px;background:var(--c-primary-pale);color:var(--c-primary-dark);border-radius:var(--radius-full);font-size:.82rem;font-weight:500}

/* ===== TECH COMPARISON ===== */
.tech-compare{background:var(--c-bg)}
.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.compare-card{background:#fff;border-radius:var(--radius);padding:28px 24px;border:1px solid var(--c-border);transition:all .35s var(--transition);position:relative;overflow:hidden}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.compare-card.recommended{border:2px solid var(--c-primary);box-shadow:0 0 0 4px rgba(13,148,136,.08)}
.compare-card.recommended::before{content:'推荐';position:absolute;top:12px;right:-24px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;padding:4px 32px;font-size:.72rem;font-weight:700;transform:rotate(45deg);letter-spacing:.5px}
.compare-card h3{font-size:1.05rem;font-weight:700;color:var(--c-heading);margin-bottom:10px}
.compare-card p{font-size:.85rem;color:var(--c-body);line-height:1.7}
.compare-card .pros{margin-top:12px;padding-top:12px;border-top:1px solid var(--c-border)}
.compare-card .pros span{display:inline-block;padding:3px 10px;background:var(--c-primary-pale);color:var(--c-primary);border-radius:var(--radius-full);font-size:.75rem;font-weight:500;margin:3px 3px 0 0}
.compare-card .cons span{display:inline-block;padding:3px 10px;background:#fef2f2;color:#dc2626;border-radius:var(--radius-full);font-size:.75rem;margin:3px 3px 0 0}

/* ===== PRINCIPLES ===== */
.principles{background:#fff}
.principle-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.principle-card{background:var(--c-bg);border-radius:var(--radius);padding:28px;border:1px solid var(--c-border);transition:all .3s}
.principle-card:hover{box-shadow:var(--shadow);border-color:var(--c-primary-light)}
.principle-card .num{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;margin-bottom:14px}
.principle-card h3{font-size:1rem;font-weight:700;color:var(--c-heading);margin-bottom:8px}
.principle-card p{font-size:.88rem;color:var(--c-body);line-height:1.7}
.principle-card .formula{font-family:"SF Mono",Monaco,monospace;font-size:.82rem;color:var(--c-primary-dark);background:var(--c-primary-pale);padding:6px 12px;border-radius:6px;margin-top:10px;display:inline-block}

/* ===== PRODUCTS ===== */
.products{background:var(--c-bg)}
.prod-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:36px;flex-wrap:wrap}
.prod-tab{padding:10px 24px;border:2px solid var(--c-border);border-radius:var(--radius-full);font-size:.88rem;font-weight:600;background:#fff;color:var(--c-body);transition:all .3s}
.prod-tab.active,.prod-tab:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-pale)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--c-border);transition:all .4s var(--transition)}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:transparent}
.prod-img{
	aspect-ratio: 4/3;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	position: relative
}
.prod-img img{
	width: 80%;
	height: 80%;
	object-fit: contain;
	transition: transform .5s var(--transition)
}
.prod-card:hover .prod-img img{transform:scale(1.08)}
.prod-info{padding:24px}
.prod-info h3{font-size:1.05rem;font-weight:700;color:var(--c-heading);margin-bottom:10px}
.prod-specs{font-size:.82rem;color:var(--c-muted);line-height:1.9}
.prod-specs strong{color:var(--c-primary)}

/* ===== SERVICES ===== */
.services{background:#fff}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{background:#fff;border-radius:var(--radius);padding:32px 24px;border:1px solid var(--c-border);transition:all .4s var(--transition);position:relative;overflow:hidden}
.svc-card:hover{box-shadow:var(--shadow-lg);border-color:transparent;transform:translateY(-4px)}
.svc-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--transition)}
.svc-card:hover::after{transform:scaleX(1)}
.svc-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--c-primary-pale),#ccfbf1);display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:transform .3s}
.svc-card:hover .svc-icon{transform:scale(1.08) rotate(-3deg)}
.svc-icon svg{color:var(--c-primary)}
.svc-card h3{font-size:1.05rem;font-weight:700;color:var(--c-heading);margin-bottom:8px}
.svc-card p{font-size:.88rem;color:var(--c-muted);line-height:1.7}

/* ===== SOLUTIONS ===== */
.solutions{background:var(--c-bg)}
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sol-card{background:#fff;border-radius:var(--radius);padding:32px;border:1px solid var(--c-border);transition:all .35s var(--transition)}
.sol-card:hover{box-shadow:var(--shadow-lg);border-color:transparent}
.sol-card h3{font-size:1.1rem;font-weight:700;color:var(--c-heading);margin-bottom:10px;display:flex;align-items:center;gap:10px}
.sol-num{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;flex-shrink:0}
.sol-card p{font-size:.9rem;color:var(--c-body);line-height:1.8}
.sol-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.sol-tag{padding:3px 10px;background:var(--c-primary-pale);color:var(--c-primary);border-radius:var(--radius-full);font-size:.75rem;font-weight:500}

/* ===== PROCESS ===== */
.process{background:#fff}
.proc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;position:relative}
.proc-grid::before{content:'';position:absolute;top:30px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--c-primary-light),var(--c-primary),var(--c-accent),var(--c-accent-light));z-index:0;border-radius:1px}
.proc-step{text-align:center;position:relative;z-index:1}
.proc-num{width:60px;height:60px;border-radius:50%;background:#fff;border:3px solid var(--c-primary);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;margin:0 auto 14px;transition:all .35s var(--transition);box-shadow:0 4px 12px rgba(13,148,136,.1)}
.proc-step:hover .proc-num{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;border-color:transparent;transform:scale(1.1);box-shadow:0 6px 20px rgba(13,148,136,.25)}
.proc-step h4{font-size:.88rem;font-weight:700;color:var(--c-heading);margin-bottom:4px}
.proc-step p{font-size:.78rem;color:var(--c-muted)}

/* ===== ADVANTAGES ===== */
.advantages{background:linear-gradient(135deg,#0f4c75 0%,#0d9488 50%,#2563eb 100%);color:#fff;position:relative;overflow:hidden}
.advantages::before{content:'';position:absolute;top:-40%;right:-15%;width:500px;height:500px;border-radius:50%;background:rgba(94,234,212,.08)}
.advantages .sec-header h2{color:#fff}
.advantages .sec-header p{color:rgba(255,255,255,.65)}
.advantages .sec-tag{background:rgba(255,255,255,.1);color:var(--c-primary-light)}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:1}
.adv-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:all .4s var(--transition);backdrop-filter:blur(8px)}
.adv-card:hover{background:rgba(255,255,255,.12);transform:translateY(-5px);border-color:var(--c-primary-light)}
.adv-num{font-size:2.2rem;font-weight:800;color:var(--c-primary-light);margin-bottom:8px;text-shadow:0 0 20px rgba(94,234,212,.3)}
.adv-card h3{font-size:.98rem;font-weight:700;margin-bottom:8px}
.adv-card p{font-size:.82rem;color:rgba(255,255,255,.7);line-height:1.6}

/* ===== CERTIFICATIONS ===== */
.certs{background:#fff}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert-card{background:var(--c-bg);border-radius:var(--radius);padding:24px;border:1px solid var(--c-border);text-align:center;transition:all .35s var(--transition)}
.cert-card:hover{box-shadow:var(--shadow-lg);border-color:var(--c-primary-light);transform:translateY(-4px)}
.cert-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary-pale),#ccfbf1);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.cert-icon svg{color:var(--c-primary)}
.cert-card h3{font-size:.95rem;font-weight:700;color:var(--c-heading);margin-bottom:6px}
.cert-card p{font-size:.82rem;color:var(--c-muted);line-height:1.6}
.cert-badge{display:inline-block;margin-top:10px;padding:4px 12px;background:var(--c-primary-pale);color:var(--c-primary);border-radius:var(--radius-full);font-size:.72rem;font-weight:600}

/* ===== CASES ===== */
.cases{background:#fff}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--c-border);transition:all .4s var(--transition);background:#fff}
.case-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-5px);border-color:transparent}
.case-img{aspect-ratio:16/10;background:var(--c-bg);overflow:hidden;position:relative}
.case-img::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.4) 0%,transparent 50%);opacity:0;transition:opacity .3s}
.case-card:hover .case-img::after{opacity:1}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--transition)}
.case-card:hover .case-img img{transform:scale(1.08)}
.case-info{padding:18px 20px}
.case-info h3{font-size:.95rem;font-weight:700;color:var(--c-heading)}
.case-info p{font-size:.8rem;color:var(--c-muted);margin-top:4px}

/* ===== NEWS ===== */
.news{background:var(--c-bg)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--c-border);transition:all .35s var(--transition)}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}
.news-img{aspect-ratio:16/9;background:var(--c-bg);overflow:hidden}
.news-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--transition)}
.news-card:hover .news-img img{transform:scale(1.05)}
.news-body{padding:20px}
.news-date{font-size:.78rem;color:var(--c-muted);margin-bottom:8px}
.news-body h3{font-size:1rem;font-weight:700;color:var(--c-heading);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:.85rem;color:var(--c-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ===== AREAS ===== */
.areas{background:#fff}
.area-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.area-chip{background:var(--c-bg);border-radius:var(--radius);padding:20px 14px;text-align:center;border:1px solid transparent;transition:all .3s var(--transition)}
.area-chip:hover{border-color:var(--c-primary);background:var(--c-primary-pale);transform:translateY(-3px);box-shadow:var(--shadow)}
.area-chip .name{font-size:1rem;font-weight:700;color:var(--c-heading)}
.area-chip .desc{font-size:.75rem;color:var(--c-muted);margin-top:4px}

/* ===== FAQ ===== */
.faq{background:var(--c-bg)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:10px;border:1px solid var(--c-border);overflow:hidden;transition:border-color .3s}
.faq-item:hover{border-color:var(--c-primary-light)}
.faq-q{padding:18px 24px;font-size:.98rem;font-weight:600;color:var(--c-heading);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:background .2s}
.faq-q:hover{background:var(--c-bg)}
.faq-q::after{content:'+';font-size:1.4rem;color:var(--c-primary);font-weight:300;transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-q::after{transform:rotate(45deg);color:var(--c-accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s;color:var(--c-body);font-size:.92rem;line-height:1.8}
.faq-item.open .faq-a{max-height:400px;padding:0 24px 18px}

/* ===== CTA BANNER ===== */
.cta-banner{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));padding:64px 0;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:-50%;right:-20%;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.05)}
.cta-banner h2{font-size:2rem;font-weight:800;color:#fff;margin-bottom:12px;position:relative;z-index:1}
.cta-banner p{font-size:1rem;color:rgba(255,255,255,.8);margin-bottom:28px;position:relative;z-index:1}

/* ===== CONTACT ===== */
.contact{background:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info h3{font-size:1.4rem;font-weight:700;color:var(--c-heading);margin-bottom:24px}
.c-row{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start}
.c-icon{width:44px;height:44px;border-radius:12px;background:var(--c-primary-pale);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.c-icon svg{color:var(--c-primary)}
.c-label{font-size:.78rem;color:var(--c-muted);margin-bottom:2px}
.c-value{font-size:.95rem;font-weight:600;color:var(--c-heading)}
.contact-qr{background:var(--c-bg);border-radius:var(--radius-lg);padding:40px 36px;border:1px solid var(--c-border);text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}
.qr-title{font-size:1.2rem;font-weight:700;color:var(--c-heading);margin-bottom:6px}
.qr-subtitle{font-size:.9rem;color:var(--c-muted);margin-bottom:24px}
.qr-image{width:200px;height:200px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);border:3px solid #fff;margin-bottom:20px;transition:transform .3s var(--transition)}
.qr-image:hover{transform:scale(1.05)}
.qr-image img{width:100%;height:100%;object-fit:cover}
.qr-tips{font-size:.85rem;color:var(--c-body);line-height:1.8;text-align:left;max-width:280px;margin-top:8px}
.qr-tips li{display:flex;align-items:flex-start;gap:8px;margin-bottom:6px}
.qr-tips li::before{content:'✓';color:var(--c-primary);font-weight:700;flex-shrink:0}

/* ===== FOOTER ===== */
.site-footer{background:#0f172a;color:rgba(255,255,255,.55);padding:56px 0 24px}
.footer-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand h3{color:#fff;font-size:1.05rem;margin-bottom:12px}
.footer-brand p{font-size:.85rem;line-height:1.7}
.footer-col h4{color:#fff;font-size:.9rem;margin-bottom:14px}
.footer-col a{display:block;font-size:.85rem;margin-bottom:8px;transition:color .2s}
.footer-col a:hover{color:var(--c-primary-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;font-size:.78rem}
.footer-bottom a{color:var(--c-primary-light)}

/* ===== FLOAT CTA ===== */
.float-cta{position:fixed;bottom:24px;right:24px;z-index:999;display:flex;flex-direction:column;gap:10px}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);border:none;transition:transform .3s var(--transition)}
.float-btn:hover{transform:scale(1.1)}
.float-phone{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;position:relative;width:auto;border-radius:var(--radius-full);overflow:hidden;padding:0}
.float-phone-wrap{display:flex;align-items:center;position:relative}
.float-phone-icon{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;z-index:2}
.float-phone-num{position:absolute;right:52px;white-space:nowrap;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;padding:0 16px 0 12px;height:52px;line-height:52px;border-radius:var(--radius-full) 0 0 var(--radius-full);font-size:.92rem;font-weight:700;letter-spacing:.5px;transform:translateX(20px);opacity:0;transition:all .4s var(--transition);pointer-events:none;box-shadow:-4px 0 16px rgba(13,148,136,.2)}
.float-phone:hover .float-phone-num{transform:translateX(0);opacity:1;pointer-events:auto}
.float-phone:hover{transform:none}
.float-top{background:#fff;color:var(--c-dark);opacity:0;pointer-events:none;transition:opacity .3s}
.float-top.show{opacity:1;pointer-events:auto}

/* ===== ANIMATIONS ===== */
@media(prefers-reduced-motion:no-preference){
  .ani{opacity:0;transform:translateY(28px);transition:opacity .7s var(--transition),transform .7s var(--transition)}
  .ani.show{opacity:1;transform:translateY(0)}
  .ani-left{opacity:0;transform:translateX(-36px);transition:opacity .7s var(--transition),transform .7s var(--transition)}
  .ani-left.show{opacity:1;transform:translateX(0)}
  .ani-right{opacity:0;transform:translateX(36px);transition:opacity .7s var(--transition),transform .7s var(--transition)}
  .ani-right.show{opacity:1;transform:translateX(0)}
  .ani-scale{opacity:0;transform:scale(.9);transition:opacity .6s ease,transform .6s var(--transition)}
  .ani-scale.show{opacity:1;transform:scale(1)}
  [data-delay="1"]{transition-delay:.08s!important}
  [data-delay="2"]{transition-delay:.16s!important}
  [data-delay="3"]{transition-delay:.24s!important}
  [data-delay="4"]{transition-delay:.32s!important}
  [data-delay="5"]{transition-delay:.4s!important}
  [data-delay="6"]{transition-delay:.48s!important}
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
@keyframes pulse-glow{0%,100%{box-shadow:0 0 0 0 rgba(13,148,136,.3)}50%{box-shadow:0 0 0 12px rgba(13,148,136,0)}}
@keyframes hero-bg{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes spin-slow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .hero-content{grid-template-columns:1fr;text-align:center}
  .hero-visual{display:none}
  .hero-btns{justify-content:center}
  .hero-stats{justify-content:center}
  .about-grid{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .proc-grid::before{display:none}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .area-grid{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav{display:none}
  .nav-phone{display:none}
  .mobile-toggle{display:block}
  .hero-text h1{font-size:1.8rem}
  .hero{padding-top:calc(var(--header-h) + 20px)}
  .section{padding:56px 0}
  .sec-header h2{font-size:1.5rem}
  .compare-grid{grid-template-columns:1fr}
  .principle-grid{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .area-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
  .trust-row{gap:24px}
  .float-cta{bottom:16px;right:16px}
  .float-btn{width:46px;height:46px}
}