:root{
  --primary:#0f766e;
  --primary-dark:#134e4a;
  --primary-deep:#0b3b38;
  --accent:#fbbf24;
  --accent-light:#fcd34d;
  --bg:#f7f9fa;
  --surface:#ffffff;
  --surface-alt:#f8fafc;
  --text:#1f2933;
  --text-strong:#0f172a;
  --text-muted:#475569;
  --text-soft:#64748b;
  --text-faint:#94a3b8;
  --border:#eef2f4;
  --border-strong:#e2e8f0;
  --border-input:#cbd5e1;
  --shadow-sm:0 4px 16px rgba(15,23,42,.06);
  --shadow-md:0 8px 24px rgba(15,118,110,.12);
  --shadow-lg:0 6px 18px rgba(15,118,110,.4);
  --glass-bg:rgba(255,255,255,.14);
  --glass-border:rgba(255,255,255,.25);
  --radius-sm:12px;
  --radius-md:14px;
  --radius-lg:18px;
  --radius-pill:30px;
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background .35s ease,color .35s ease;
}

a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{text-decoration:underline}

img,svg{max-width:100%;display:block}

.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 2px 10px rgba(0,0,0,.06);
  transition:background .35s ease,box-shadow .35s ease;
}

.nav{display:flex;align-items:center;justify-content:space-between;height:64px}

.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:18px;color:var(--primary);
  transition:transform .3s ease;
}
.logo:hover{text-decoration:none;transform:translateY(-1px)}
.logo svg{width:34px;height:34px;border-radius:10px;box-shadow:0 4px 12px rgba(15,118,110,.3)}

.nav-links{display:flex;gap:22px;list-style:none}
.nav-links a{
  color:#334155;font-size:15px;position:relative;padding:4px 0;
  transition:color .25s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;
  width:0;height:2px;border-radius:2px;
  background:var(--primary);
  transition:width .3s ease;
}
.nav-links a:hover{color:var(--primary);text-decoration:none}
.nav-links a:hover::after{width:100%}

.nav-tools{display:flex;align-items:center;gap:12px}

.search-box{
  display:flex;align-items:center;
  border:1px solid var(--border-input);
  border-radius:20px;padding:4px 10px;
  background:var(--surface-alt);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.search-box:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,118,110,.12);
}
.search-box input{
  border:none;outline:none;background:transparent;
  width:130px;font-size:14px;color:var(--text);
}
.search-box button{
  border:none;background:var(--primary);color:#fff;
  border-radius:14px;padding:4px 12px;font-size:13px;
  cursor:pointer;transition:background .25s ease,transform .2s ease;
}
.search-box button:hover{background:var(--primary-dark);transform:scale(1.04)}

.theme-btn,.menu-btn{
  border:1px solid var(--border-input);
  background:var(--surface);
  border-radius:50%;width:36px;height:36px;
  cursor:pointer;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  transition:var(--transition);
}
.theme-btn:hover,.menu-btn:hover{
  border-color:var(--primary);
  transform:rotate(12deg) scale(1.06);
}
.menu-btn{display:none;border:none;background:none;font-size:24px;color:var(--primary)}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:linear-gradient(135deg,#0f766e 0%,#134e4a 55%,#0b3b38 100%);
  color:#fff;padding:56px 0 48px;overflow:hidden;
}
.hero::before,
.hero::after{
  content:"";position:absolute;border-radius:50%;
  pointer-events:none;filter:blur(2px);
}
.hero::before{
  width:420px;height:420px;top:-160px;right:-120px;
  background:radial-gradient(circle,rgba(251,191,36,.22),transparent 70%);
}
.hero::after{
  width:360px;height:360px;bottom:-180px;left:-100px;
  background:radial-gradient(circle,rgba(16,185,129,.25),transparent 70%);
}

.hero-grid{
  display:grid;grid-template-columns:1.2fr .8fr;
  gap:36px;align-items:center;position:relative;z-index:1;
}

.hero h1{
  font-size:34px;line-height:1.35;
  margin-bottom:18px;font-weight:800;
  letter-spacing:-.5px;
}
.hero h1 span{color:var(--accent)}

.hero p{font-size:16px;color:#d1fae5;margin-bottom:14px}

.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-badges span{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid var(--glass-border);
  padding:6px 14px;border-radius:20px;font-size:13px;
  transition:var(--transition);
}
.hero-badges span:hover{
  background:rgba(251,191,36,.22);
  border-color:rgba(251,191,36,.5);
  transform:translateY(-2px);
}

.hero-cta{
  display:inline-block;margin-top:22px;
  background:linear-gradient(135deg,#fbbf24,#f59e0b);
  color:#1f2933;font-weight:700;
  padding:12px 28px;border-radius:var(--radius-pill);
  box-shadow:0 8px 22px rgba(251,191,36,.35);
  transition:var(--transition);
}
.hero-cta:hover{
  text-decoration:none;
  background:linear-gradient(135deg,#fcd34d,#fbbf24);
  transform:translateY(-3px);
  box-shadow:0 12px 28px rgba(251,191,36,.45);
}

.hero-visual{
  background:rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-radius:var(--radius-lg);padding:20px;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 20px 50px rgba(0,0,0,.25);
}

.banner-slider{
  position:relative;overflow:hidden;
  border-radius:var(--radius-md);
  background:rgba(11,59,56,.65);
  min-height:230px;
}
.slide{display:none;padding:24px;min-height:230px;animation:fadeSlide .6s ease}
.slide.active{display:block}
.slide h3{font-size:20px;margin-bottom:10px;color:var(--accent)}
.slide p{color:#d1fae5;font-size:14px}

@keyframes fadeSlide{
  from{opacity:0;transform:translateX(14px)}
  to{opacity:1;transform:none}
}

.slider-dots{display:flex;gap:8px;justify-content:center;margin-top:12px}
.slider-dots button{
  width:10px;height:10px;border-radius:50%;border:none;
  background:rgba(255,255,255,.4);cursor:pointer;
  transition:var(--transition);
}
.slider-dots button:hover{background:rgba(255,255,255,.7);transform:scale(1.2)}
.slider-dots button.active{background:var(--accent);width:22px;border-radius:6px}

/* ===== Stats ===== */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:16px;margin:-30px auto 0;
  position:relative;z-index:5;
}
.stat-card{
  background:var(--surface);
  border-radius:var(--radius-md);
  padding:22px 16px;text-align:center;
  box-shadow:var(--shadow-md);
  border:1px solid var(--border);
  transition:var(--transition);
}
.stat-card:hover{
  transform:translateY(-5px);
  box-shadow:0 14px 32px rgba(15,118,110,.18);
}
.stat-card .num{font-size:28px;font-weight:800;color:var(--primary);line-height:1.2}
.stat-card .label{font-size:13px;color:var(--text-soft);margin-top:4px}

/* ===== Breadcrumb ===== */
.breadcrumb{font-size:13px;color:var(--text-soft);padding:18px 0 6px}
.breadcrumb a{color:var(--primary)}

/* ===== Sections ===== */
section{padding:44px 0}

.section-title{text-align:center;margin-bottom:34px}
.section-title h2{
  font-size:26px;color:var(--text-strong);font-weight:800;
  display:inline-block;position:relative;padding-bottom:10px;
}
.section-title h2::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:0;width:56px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,#0f766e,#fbbf24);
}
.section-title p{color:var(--text-soft);font-size:14px;margin-top:10px}

/* ===== Grids ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ===== Cards ===== */
.card{
  background:var(--surface);
  border-radius:var(--radius-md);
  padding:24px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  transition:var(--transition);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 30px rgba(15,23,42,.1);
  border-color:rgba(15,118,110,.22);
}
.card h3{font-size:18px;color:var(--text-strong);margin-bottom:10px}
.card h4{font-size:15px;color:var(--primary);margin:12px 0 6px}
.card p{color:var(--text-muted);font-size:14.5px}
.card ul{margin:8px 0 0 18px;color:var(--text-muted);font-size:14.5px}
.card ul li{margin-bottom:6px}

/* ===== Article Cards ===== */
.article-card{
  background:var(--surface);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  display:flex;flex-direction:column;
  transition:var(--transition);
}
.article-card:hover{
  transform:translateY(-6px);
  box-shadow:0 16px 36px rgba(15,23,42,.13);
}
.article-card .cover{
  height:110px;
  background:linear-gradient(135deg,#0f766e,#134e4a);
  position:relative;overflow:hidden;
}
.article-card .cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(251,191,36,.35) 50%,transparent 70%);
  transform:translateX(-100%);
  transition:transform .7s ease;
}
.article-card:hover .cover::after{transform:translateX(100%)}
.article-card .body{padding:18px;display:flex;flex-direction:column;flex:1}
.article-card h3{font-size:16.5px;color:var(--text-strong);margin-bottom:8px;transition:color .25s ease}
.article-card:hover h3{color:var(--primary)}
.article-card .meta{font-size:12.5px;color:var(--text-faint);margin-bottom:8px}
.article-card p{font-size:14px;color:var(--text-muted);flex:1}
.article-card a.more{
  margin-top:12px;font-size:14px;font-weight:600;
  display:inline-block;transition:var(--transition);
}
.article-card a.more:hover{text-decoration:none;letter-spacing:.5px}

/* ===== FAQ ===== */
.faq-item{
  background:var(--surface);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{border-color:rgba(15,118,110,.35);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;
  padding:16px 20px;font-size:15.5px;font-weight:600;
  color:var(--text-strong);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  gap:12px;transition:color .25s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-q .icon{
  color:var(--primary);font-size:18px;flex-shrink:0;
  transition:transform .3s ease;
}
.faq-a{
  display:none;padding:0 20px 18px;
  color:var(--text-muted);font-size:14.5px;
  border-top:1px dashed var(--border-strong);
  animation:fadeIn .35s ease;
}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-item.open{border-color:rgba(15,118,110,.4)}

@keyframes fadeIn{
  from{opacity:0;transform:translateY(-6px)}
  to{opacity:1;transform:none}
}

/* ===== HowTo Steps ===== */
.howto-step{
  display:flex;gap:16px;margin-bottom:18px;
  background:var(--surface);border-radius:var(--radius-sm);
  padding:18px 20px;border:1px solid var(--border);
  transition:var(--transition);
}
.howto-step:hover{
  transform:translateX(6px);
  border-color:rgba(15,118,110,.3);
  box-shadow:var(--shadow-sm);
}
.howto-step .step-num{
  flex:0 0 40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,#0f766e,#134e4a);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;
  box-shadow:0 6px 14px rgba(15,118,110,.3);
  transition:var(--transition);
}
.howto-step:hover .step-num{transform:scale(1.1) rotate(8deg)}
.howto-step h4{font-size:15.5px;color:var(--text-strong);margin-bottom:6px}
.howto-step p{font-size:14.5px;color:var(--text-muted)}

/* ===== Case & Testimonial ===== */
.case-card{
  background:var(--surface);border-radius:var(--radius-md);
  padding:22px;border:1px solid var(--border);
  box-shadow:0 4px 16px rgba(15,23,42,.05);
  transition:var(--transition);
}
.case-card:hover{
  transform:translateY(-5px);
  box-shadow:0 14px 32px rgba(15,23,42,.12);
  border-color:rgba(15,118,110,.25);
}
.case-card .tag{
  display:inline-block;background:#ecfdf5;color:var(--primary);
  font-size:12px;padding:3px 10px;border-radius:12px;margin-bottom:10px;
  transition:var(--transition);
}
.case-card:hover .tag{background:var(--primary);color:#fff}
.case-card h3{font-size:16.5px;color:var(--text-strong);margin-bottom:8px}
.case-card p{font-size:14px;color:var(--text-muted)}

.testimonial{
  background:var(--surface);border-radius:var(--radius-md);
  padding:22px;border:1px solid var(--border);position:relative;
  transition:var(--transition);
}
.testimonial::before{
  content:"\201C";position:absolute;top:6px;right:18px;
  font-size:56px;line-height:1;color:rgba(15,118,110,.14);
  font-family:Georgia,serif;
}
.testimonial:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 28px rgba(15,23,42,.1);
}
.testimonial .quote{font-size:14.5px;color:#334155;font-style:italic}
.testimonial .author{margin-top:14px;font-size:13.5px;color:var(--primary);font-weight:600}

/* ===== News List ===== */
.news-list{list-style:none}
.news-list li{
  background:var(--surface);border-radius:var(--radius-sm);
  padding:16px 20px;margin-bottom:12px;
  border:1px solid var(--border);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  transition:var(--transition);
}
.news-list li:hover{
  border-color:rgba(15,118,110,.3);
  transform:translateX(4px);
  box-shadow:var(--shadow-sm);
}
.news-list li .date{color:var(--text-faint);font-size:13px;flex:0 0 auto}
.news-list li a{font-size:15px;color:var(--text-strong);font-weight:600}
.news-list li a:hover{color:var(--primary);text-decoration:none}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.contact-item{
  background:var(--surface);border-radius:var(--radius-sm);
  padding:20px;border:1px solid var(--border);
  transition:var(--transition);
}
.contact-item:hover{
  transform:translateY(-4px);
  border-color:rgba(15,118,110,.3);
  box-shadow:var(--shadow-sm);
}
.contact-item h4{font-size:15px;color:var(--primary);margin-bottom:8px}
.contact-item p{font-size:14px;color:var(--text-muted)}

/* ===== Author Box ===== */
.author-box{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border-radius:var(--radius-md);
  padding:22px;border:1px solid var(--border);
  transition:var(--transition);
}
.author-box:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 28px rgba(15,23,42,.1);
}
.author-avatar{
  flex:0 0 64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,#0f766e,#fbbf24);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:22px;
  box-shadow:0 6px 16px rgba(15,118,110,.3);
}
.author-box h4{font-size:16px;color:var(--text-strong);margin-bottom:6px}
.author-box p{font-size:14px;color:var(--text-muted)}

/* ===== Sitemap ===== */
.sitemap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sitemap-grid ul{list-style:none}
.sitemap-grid h4{font-size:15px;color:var(--primary);margin-bottom:8px}
.sitemap-grid li{margin-bottom:6px;font-size:14px}
.sitemap-grid li a{color:var(--text-muted);transition:var(--transition)}
.sitemap-grid li a:hover{color:var(--primary);text-decoration:none;padding-left:4px}

/* ===== Footer ===== */
.footer{
  background:linear-gradient(160deg,#0b3b38,#134e4a);
  color:#d1fae5;padding:44px 0 20px;margin-top:20px;
  position:relative;overflow:hidden;
}
.footer::before{
  content:"";position:absolute;width:400px;height:400px;
  border-radius:50%;top:-200px;right:-120px;
  background:radial-gradient(circle,rgba(251,191,36,.12),transparent 70%);
  pointer-events:none;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:28px;position:relative;z-index:1;
}
.footer h4{color:#fff;font-size:15px;margin-bottom:12px}
.footer p,.footer li{font-size:13.5px;color:#a7f3d0;margin-bottom:6px}
.footer ul{list-style:none}
.footer a{color:#a7f3d0;transition:var(--transition)}
.footer a:hover{color:var(--accent);text-decoration:none;padding-left:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.15);
  margin-top:28px;padding-top:16px;
  font-size:12.5px;color:#6ee7b7;text-align:center;
  position:relative;z-index:1;
}
.footer-bottom p{margin-bottom:4px}

/* ===== Back Top ===== */
.back-top{
  position:fixed;right:22px;bottom:26px;
  width:46px;height:46px;border-radius:50%;
  background:linear-gradient(135deg,#0f766e,#134e4a);
  color:#fff;border:none;font-size:20px;cursor:pointer;
  box-shadow:var(--shadow-lg);display:none;z-index:200;
  transition:var(--transition);
}
.back-top:hover{transform:translateY(-4px) scale(1.08);box-shadow:0 10px 26px rgba(15,118,110,.55)}

/* ===== Reveal Animation ===== */
.reveal{
  opacity:0;transform:translateY(24px);
  transition:opacity .6s ease,transform .6s ease;
  will-change:opacity,transform;
}
.reveal.visible{opacity:1;transform:none}

/* ===== Dark Mode ===== */
body.dark{
  --bg:#0f172a;
  --surface:#111c2e;
  --surface-alt:#1e293b;
  --text:#e2e8f0;
  --text-strong:#f1f5f9;
  --text-muted:#94a3b8;
  --text-soft:#94a3b8;
  --text-faint:#64748b;
  --border:#1e293b;
  --border-strong:#1e293b;
  --border-input:#334155;
  --shadow-sm:0 4px 16px rgba(0,0,0,.35);
  --shadow-md:0 8px 24px rgba(0,0,0,.4);
}

body.dark{background:var(--bg);color:var(--text)}
body.dark .header{background:rgba(17,28,46,.85);box-shadow:0 2px 10px rgba(0,0,0,.4)}
body.dark .nav-links a{color:#cbd5e1}
body.dark .nav-links a:hover{color:var(--accent)}
body.dark .search-box{background:#1e293b;border-color:#334155}
body.dark .search-box input{color:#e2e8f0}
body.dark .theme-btn{background:#1e293b;color:var(--accent);border-color:#334155}
body.dark .card,
body.dark .article-card,
body.dark .faq-item,
body.dark .howto-step,
body.dark .case-card,
body.dark .testimonial,
body.dark .contact-item,
body.dark .author-box,
body.dark .news-list li,
body.dark .stat-card{background:#111c2e;border-color:#1e293b}
body.dark .card h3,
body.dark .article-card h3,
body.dark .faq-q,
body.dark .howto-step h4,
body.dark .case-card h3,
body.dark .author-box h4,
body.dark .news-list li a,
body.dark .section-title h2{color:#f1f5f9}
body.dark .card p,
body.dark .article-card p,
body.dark .faq-a,
body.dark .howto-step p,
body.dark .case-card p,
body.dark .testimonial .quote,
body.dark .contact-item p,
body.dark .author-box p,
body.dark .card ul{color:#94a3b8}
body.dark .faq-a{border-top-color:#1e293b}
body.dark .section-title p{color:#94a3b8}
body.dark .case-card .tag{background:rgba(15,118,110,.22);color:#5eead4}
body.dark .testimonial .quote{color:#cbd5e1}
body.dark .sitemap-grid li a{color:#94a3b8}
body.dark .breadcrumb{color:#94a3b8}

/* ===== Responsive: 900px ===== */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4,.contact-grid,.sitemap-grid,.footer-grid{grid-template-columns:repeat(2,1fr)}

  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    background:rgba(255,255,255,.96);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    flex-direction:column;padding:16px 20px;
    box-shadow:0 8px 20px rgba(0,0,0,.1);
    gap:14px;
    animation:navDrop .3s ease;
  }
  .nav-links.open{display:flex}
  body.dark .nav-links{background:rgba(17,28,46,.97)}
  .menu-btn{display:flex}
  .search-box input{width:90px}
  .hero{padding:44px 0 40px}
  .hero h1{font-size:28px}
}

@keyframes navDrop{
  from{opacity:0;transform:translateY(-10px)}
  to{opacity:1;transform:none}
}

/* ===== Responsive: 600px ===== */
@media(max-width:600px){
  .grid-2,.grid-3,.grid-4,.contact-grid,.sitemap-grid,.footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .hero p{font-size:15px}
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat-card{padding:18px 12px}
  .stat-card .num{font-size:24px}
  .section-title h2{font-size:22px}
  .card,.article-card .body{padding:18px}
  .howto-step{flex-direction:row;padding:16px}
  .howto-step .step-num{flex:0 0 34px;height:34px;font-size:14px}
  .author-box{flex-direction:column;align-items:center;text-align:center}
  .hero-cta{width:100%;text-align:center}
  .search-box{display:none}
  .back-top{right:14px;bottom:16px;width:42px;height:42px}
  .footer-bottom{font-size:12px}
}

/* ===== Accessibility / Reduced Motion ===== */
@media(prefers-reduced-motion:reduce){
  *{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}

/* ===== Focus Visible ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:4px;
}

/* ===== Print ===== */
@media print{
  .header,.back-top,.hero-visual,.slider-dots,.footer,.search-box,.theme-btn,.menu-btn{display:none !important}
  body{background:#fff;color:#000}
  .card,.article-card,.faq-item{box-shadow:none;border:1px solid #ccc}
}