/* ============================================================
   Decorative Film B2B Sites — Shared Design System
   Site: Direct Decorative Film Manufacturer (EU/US B2B)
   Lines: P800DM (PVC) / D1500 (PVC-Free) / ZSK01 (Straw Woven)
   Base: premium industrial / eco-green (Stripe-inspired)
   ============================================================ */

:root{
  --primary:#1a5c2a;            /* forest green */
  --primary-bright:#2d8a3e;     /* vibrant green */
  --primary-grad:linear-gradient(135deg,#1a5c2a 0%,#2d8a3e 100%);
  --navy:#061b31;               /* headings */
  --slate:#64748d;
  --body:#555;
  --bg:#f9f9f9;
  --white:#ffffff;
  --brand-dark:#1c1e54;         /* immersive dark sections */
  --border:#e5edf5;
  --shadow:rgba(50,50,93,.25), rgba(0,0,0,.1);  /* card + ambient */
  --radius:8px;
  --radius-sm:4px;
  --ease:cubic-bezier(0.4,0,0.2,1);
  --container:1200px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Source Sans 3',-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  font-weight:400;
  font-feature-settings:'ss01' on;
  color:var(--body);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,h5,h6{
  font-family:'Source Sans 3',-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  font-weight:300;               /* light authority */
  color:var(--navy);
  letter-spacing:-0.5px;
  line-height:1.15;
  margin:0 0 .5em;
  font-feature-settings:'ss01' on;
}
h1{font-size:clamp(34px,5.5vw,60px);letter-spacing:-1.5px;}
h2{font-size:clamp(26px,3.4vw,40px);letter-spacing:-1px;}
h3{font-size:clamp(20px,2.2vw,26px);}
h4{font-size:18px;}

p{margin:0 0 1em;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-bright);}
img{max-width:100%;display:block;height:auto;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.tnum{font-feature-settings:'tnum' on;font-variant-numeric:tabular-nums;}
.muted{color:var(--slate);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;}

/* ---------- Buttons (4-8px radius, no pills) ---------- */
.btn{
  display:inline-block;font-weight:600;font-size:16px;line-height:1;
  padding:14px 26px;border-radius:var(--radius-sm);
  border:2px solid transparent;cursor:pointer;transition:all .2s var(--ease);
  text-align:center;
}
.btn-primary{background:var(--primary-grad);color:#fff;box-shadow:0 4px 14px rgba(50,50,93,.25);}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 8px 22px rgba(50,50,93,.3);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:rgba(45,138,62,.08);color:var(--primary);}
.btn-white{background:#fff;color:var(--primary);}
.btn-white:hover{transform:translateY(-2px);color:var(--primary);}
.btn-lg{font-size:18px;padding:17px 34px;}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- Header / Sticky Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(249,249,249,.9);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:600;color:var(--navy);letter-spacing:-.3px;}
.brand-mark{width:22px;height:22px;border-radius:4px;background:var(--primary-grad);display:inline-block;}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0;}
.nav-links>li{position:relative;}
.nav-links>li>a{
  display:block;padding:10px 12px;color:var(--navy);font-weight:500;font-size:15px;
  text-transform:none;letter-spacing:0;white-space:nowrap;
}
.nav-links>li>a:hover{color:var(--primary);}
.nav-cta{margin-left:10px;}

/* Products dropdown (double-axis grouped) */
.dropdown{position:absolute;top:100%;left:0;min-width:520px;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:0 20px 50px rgba(50,50,93,.25),0 2px 6px rgba(0,0,0,.1);
  padding:18px;display:none;grid-template-columns:1fr 1fr;gap:20px;}
.nav-links>li:hover .dropdown{display:grid;}
.dropdown .dd-group h5{margin:0 0 8px;font-size:14px;text-transform:uppercase;letter-spacing:.6px;color:var(--slate);font-weight:600;}
.dropdown .dd-group a{display:block;padding:5px 0;font-size:15px;color:var(--navy);font-weight:400;}
.dropdown .dd-group a:hover{color:var(--primary);}
.dd-group .dd-sub{font-size:14px;color:var(--slate);display:block;}

/* ---------- Hero ---------- */
.hero{background:#fff;border-bottom:1px solid var(--border);padding:84px 0 70px;position:relative;overflow:hidden;}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;}
.hero-trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;font-size:14px;color:var(--primary);font-weight:600;}
.hero-trust-row span::before{content:"✓ ";color:var(--primary-bright);}
.hero-media{position:relative;}
.hero-img{width:100%;border-radius:var(--radius);box-shadow:0 24px 60px var(--shadow);overflow:hidden;background:#eef3ee;min-height:300px;display:flex;align-items:center;justify-content:center;color:var(--slate);}
.float-badge{position:absolute;background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:0 10px 26px var(--shadow);padding:10px 14px;font-size:14px;font-weight:600;color:var(--navy);}
.float-badge small{display:block;font-weight:400;color:var(--slate);font-size:14px;}
.badge-tr{top:-14px;right:-14px;}.badge-bl{bottom:-14px;left:-14px;}

/* image placeholder block */
.img-ph{background:#eef3ee;border:1px dashed #c9d8cd;border-radius:var(--radius);
  color:var(--slate);display:flex;align-items:center;justify-content:center;text-align:center;
  padding:20px;font-size:14px;}

/* ---------- Trust bar (dark) ---------- */
.trust-bar{background:var(--brand-dark);color:#fff;padding:26px 0;}
.trust-bar .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.trust-bar .dt-label{font-size:14px;text-transform:uppercase;letter-spacing:.8px;color:rgba(255,255,255,.65);}
.trust-bar .dt-num{font-size:30px;font-weight:300;color:#fff;font-feature-settings:'tnum' on;margin:4px 0 0;}

/* ---------- Sections ---------- */
.section{padding:76px 0;}
.section-head{max-width:680px;margin:0 auto 44px;text-align:center;}
.section-head .eyebrow{font-size:14px;letter-spacing:1.2px;text-transform:uppercase;color:var(--primary-bright);font-weight:600;margin-bottom:10px;}

/* Product series cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 6px 18px rgba(0,0,0,.05);transition:transform .25s var(--ease),box-shadow .25s var(--ease);}
.card:hover{transform:translateY(-8px);box-shadow:0 12px 30px var(--shadow);}
.card-media{aspect-ratio:4/3;overflow:hidden;}
.card-body{padding:22px 24px 26px;}
.card-body h3{font-size:22px;}
.card-body .ser-count{font-weight:600;color:var(--primary-bright);font-size:14px;letter-spacing:.4px;font-feature-settings:'tnum' on;}
.card-body p{color:var(--slate);font-size:15px;margin:10px 0 16px;}
.meta{border-top:1px solid var(--border);margin-top:14px;padding-top:14px;font-size:14px;color:var(--slate);}
.meta strong{color:var(--navy);}

/* ---------- Tech / quality dark zone ---------- */
.tech-dark{background:#1c1e54;color:#fff;position:relative;padding:90px 0;overflow:hidden;
  background-image:radial-gradient(circle at 20% 20%,rgba(45,138,62,.35),transparent 45%),
                   radial-gradient(circle at 80% 80%,rgba(26,92,42,.3),transparent 50%);}
.tech-dark h2,.tech-dark h3{color:#fff;}
.tech-dark p{color:rgba(255,255,255,.82);}
.chips{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.chip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);color:#fff;
  padding:10px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;letter-spacing:.3px;}
.chip.green{border-color:var(--primary-bright);color:#cfeed8;background:rgba(45,138,62,.22);}
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}

/* ---------- App scenarios (8) ---------- */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.app-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:all .2s var(--ease);}
.app-item:hover{transform:translateY(-6px);box-shadow:0 12px 26px var(--shadow);}
.app-item .icon{font-size:30px;margin-bottom:12px;}
.app-item h3{font-size:17px;margin-bottom:6px;}
.app-item p{font-size:14px;color:var(--slate);margin:0;}

/* ---------- Stats (big numbers) ---------- */
.stats{background:#fff;padding:70px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center;}
.stat .num{font-size:46px;font-weight:300;color:var(--navy);font-feature-settings:'tnum' on;letter-spacing:-1px;}
.stat .label{font-size:14px;color:var(--slate);margin-top:4px;}

/* ---------- FAQ accordion ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin-bottom:12px;overflow:hidden;}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:17px;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq-q .chev{transition:transform .25s var(--ease);color:var(--primary-bright);}
.faq-item.open .faq-q .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a .faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--body);border-top:1px dashed var(--border);padding-top:16px;}

/* ---------- Big CTA ---------- */
.big-cta{background:var(--primary-grad);color:#fff;padding:84px 20px;text-align:center;}
.big-cta h2{color:#fff;max-width:640px;margin:0 auto 14px;}
.big-cta p{color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 32px;font-size:17px;}
.big-cta .btn-white{color:var(--primary);}
.cta-note{margin-top:22px;font-size:14px;color:rgba(255,255,255,.8);}
/* v27: buy-bar fused into .big-cta (index only; .buy-bar kept for blog/guides) */
.big-cta .cta-specs{max-width:960px;margin:36px auto 0;padding-top:26px;border-top:1px solid rgba(255,255,255,.25);display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:center;text-align:left;font-size:14px;}
.big-cta .bb-k{color:rgba(255,255,255,.75);}
.big-cta .bb-v{color:#fff;}
@media(max-width:760px){.big-cta .cta-specs{gap:12px 24px;justify-content:flex-start;}}

/* ---------- Footer ---------- */
.site-footer{background:#0c1030;color:#b9c3d5;padding:60px 24px 30px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;max-width:var(--container);margin:0 auto;}
.site-footer h5,.site-footer h3{color:#fff;font-size:15px;margin-bottom:14px;text-transform:uppercase;letter-spacing:.8px;}
.site-footer ul{list-style:none;margin:0;padding:0;}
.site-footer li{margin-bottom:8px;}
.site-footer a{color:#b9c3d5;}
.site-footer a:hover{color:#fff;}
.footer-brand p{color:#8a94ad;font-size:14px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;max-width:var(--container);margin-left:auto;margin-right:auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:14px;color:#8a94ad;}

/* ---------- Forms (WebMCP-friendly) ---------- */
.inquiry{background:#fff;padding:76px 0;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px;max-width:820px;margin:0 auto;}
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-group.full{grid-column:1/-1;}
label{font-size:14px;font-weight:600;color:var(--navy);}
.req{color:var(--primary-bright);}
input[type=text],input[type=email],input[type=tel],input[type=date],textarea,select{
  font-family:inherit;font-size:15px;color:var(--navy);padding:12px 14px;
  border:1px solid #c9d8cd;border-radius:var(--radius-sm);background:#fff;width:100%;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
textarea{resize:vertical;min-height:120px;}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-bright);box-shadow:0 0 0 3px rgba(45,138,62,.15);}
select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%231c1e54' d='M1.5.5L6 5.5 10.5.5z'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;}
.form-hint{font-size:14px;color:var(--slate);}
.form-actions{grid-column:1/-1;display:flex;gap:14px;flex-wrap:wrap;margin-top:6px;}
.form-note{grid-column:1/-1;font-size:14px;color:var(--slate);}

/* ---------- Breadcrumb ---------- */
.crumb{padding:22px 0 0;}
.crumb ol{list-style:none;display:flex;gap:8px;font-size:14px;color:var(--slate);padding:0;margin:0;flex-wrap:wrap;}
.crumb li+li::before{content:"/";margin-right:8px;color:#c0cfc4;}
.crumb a{color:var(--slate);} .crumb a:hover{color:var(--primary);}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{background:#fff;border-bottom:1px solid var(--border);padding:56px 0 44px;}
.page-head{max-width:760px;}

/* ---------- Products list (grouped by line) ---------- */
.line-group{margin-bottom:64px;}
.line-head{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:22px;border-bottom:1px solid var(--border);padding-bottom:14px;}
.line-head h2{margin:0;}
.line-head .tag{font-size:14px;font-weight:600;color:var(--primary-bright);text-transform:uppercase;letter-spacing:.6px;}
.line-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}

/* ---------- Spec table (product detail) ---------- */
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-size:15px;}
.spec-table th,.spec-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--border);}
.spec-table th{background:#f3f7f3;color:var(--navy);font-weight:600;width:34%;}
.spec-table td{color:var(--body);font-feature-settings:'tnum' on;}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none;}
.spec-table td.na{font-style:italic;color:var(--slate);}

.detail-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;align-items:start;}
.bullets{list-style:none;padding:0;margin:0;}
.bullets li{position:relative;padding:0 0 12px 26px;font-size:16px;}
.bullets li::before{content:"✓";position:absolute;left:0;top:0;color:var(--primary-bright);font-weight:700;}
.buy-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:0 8px 24px rgba(0,0,0,.05);position:sticky;top:90px;}

/* ---------- Responsive ---------- */
@media (max-width:992px){
  .hero .container{grid-template-columns:1fr;gap:40px;}
  .cards,.line-cards{grid-template-columns:repeat(2,1fr);}
  .app-grid,.stats .container,.trust-bar .container{grid-template-columns:repeat(2,1fr);}
  .tech-grid,.detail-grid,.form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .dropdown{display:none;} /* collapse on mobile, keep simple links */
}
@media (max-width:768px){
  .nav-links{display:none;} /* mobile: leave simplified; skeleton focus */
  .cards,.line-cards,.app-grid,.stats .container,.trust-bar .container{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .nav-cta{margin-left:0;}
  h1{font-size:34px;}
}

/* ---------- Product-line hero (copy + real image) ---------- */
.line-hero .detail-grid{align-items:center;}
.line-hero .hero-shot{border-radius:var(--radius);box-shadow:0 24px 60px var(--shadow);overflow:hidden;background:#eef3ee;}
.line-hero .hero-shot img{width:100%;height:100%;min-height:300px;object-fit:cover;display:block;}
.line-hero .shot-cap{font-size:14px;color:var(--slate);margin-top:10px;}

/* ---------- SKU grid (per model, one image each) ---------- */
.sku-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.sku-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.sku-card:hover{transform:translateY(-4px);box-shadow:0 10px 22px var(--shadow);}
.sku-card img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block;background:#eef3ee;}
.sku-card .sku-body{padding:8px 10px 11px;}
.sku-card .sku-code{font-size:14px;font-weight:700;color:var(--primary);letter-spacing:.2px;display:block;font-feature-settings:'tnum' on;}
.sku-card .sku-cn{font-size:14px;color:var(--navy);font-weight:600;display:block;line-height:1.3;margin-top:2px;}
.sku-card .sku-en{font-size:14px;color:var(--slate);display:block;line-height:1.3;}
.sku-card .sku-en.tbd{font-style:italic;}

/* ---------- family / series section inside a line page ---------- */
.series-block{margin-bottom:52px;}
.series-block .line-head h3{margin:0;font-size:22px;}
.series-block .line-head .cn-tag{font-size:14px;color:var(--slate);font-weight:400;}

/* ---------- spec + notes ---------- */
.spec-split{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start;}
.note-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;font-size:14px;color:var(--slate);}
.note-box h3{color:var(--navy);font-size:16px;margin-bottom:8px;}
.code-list{font-size:14px;color:var(--slate);line-height:1.9;word-break:break-all;font-feature-settings:'tnum' on;}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.pill{background:#f3f7f3;border:1px solid var(--border);border-radius:var(--radius-sm);padding:5px 10px;font-size:14px;color:var(--navy);font-weight:600;font-feature-settings:'tnum' on;}

/* ---------- products hub line cards ---------- */
.hub-line{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:0 6px 18px rgba(0,0,0,.05);}
.hub-line .hub-media{border-radius:var(--radius);overflow:hidden;background:#eef3ee;}
.hub-line .hub-media img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;}
.hub-line h2{margin-bottom:6px;}
.hub-count{font-weight:600;color:var(--primary-bright);font-size:14px;letter-spacing:.4px;font-feature-settings:'tnum' on;display:block;margin-bottom:6px;}

@media (max-width:992px){
  .sku-grid{grid-template-columns:repeat(4,1fr);}
  .spec-split,.hub-line{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .sku-grid{grid-template-columns:repeat(2,1fr);}
}

/* real logo (Sam 210x39) */
.brand-logo{height:34px;width:auto;display:block;}
.site-header .nav{align-items:center;}


/* ===== 3M-style components (jump-bar / highlights / cta v2) ===== */
.jump-bar{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line,#e5e7eb);}
.jump-bar-in{display:flex;gap:26px;overflow-x:auto;white-space:nowrap;}
.jump-bar-in a{display:inline-block;padding:13px 2px 11px;font-size:14.5px;font-weight:600;color:var(--ink,#1f2937);text-decoration:none;border-bottom:2px solid transparent;}
.jump-bar-in a:hover{color:var(--primary);border-bottom-color:var(--primary);}
.hl-wrap{background:var(--surface,#f7f8f7);}
.hl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.hl-card{display:flex;gap:14px;background:#fff;border:1px solid var(--line,#e5e7eb);border-radius:10px;padding:18px;}
.hl-icon{flex:0 0 auto;color:var(--primary);display:flex;align-items:flex-start;padding-top:2px;}
.hl-card h3{margin:0 0 6px;font-size:15.5px;line-height:1.35;}
.hl-card p{margin:0;font-size:14px;color:var(--slate,#556);line-height:1.55;}
@media (max-width:900px){.hl-grid{grid-template-columns:1fr;}.jump-bar-in{gap:18px;}}
@media (max-width:900px){.jump-bar{top:58px;}}


/* ===== Alfatherm-style: immersive hero slider + scene app cards ===== */
.alfa-hero{position:relative;}
.alfa-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;}
.alfa-track::-webkit-scrollbar{display:none;}
.alfa-slide{position:relative;flex:0 0 100%;scroll-snap-align:start;min-height:560px;max-height:78vh;max-height:78dvh;}
.alfa-slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.alfa-slide::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.42) 0%,rgba(0,0,0,.10) 55%,rgba(0,0,0,0) 100%);}
.alfa-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;gap:22px;padding:60px max(6vw,32px);}
.alfa-bgblock{background:rgba(0,0,0,.40);display:inline-block;padding:26px 30px;max-width:640px;}
.alfa-bgblock h1,.alfa-bgblock h2{color:#fff;margin:0 0 10px;font-size:clamp(30px,4.6vw,58px);line-height:1.12;letter-spacing:.5px;}
.alfa-bgblock p{color:rgba(255,255,255,.92);margin:0;font-size:clamp(15px,1.6vw,19px);line-height:1.55;}
.alfa-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.alfa-ghost-light{color:#fff;border-color:rgba(255,255,255,.75);}
.alfa-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.alfa-dots{position:absolute;bottom:22px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:3;}
.alfa-dot{width:10px;height:10px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;padding:0;}
.alfa-dot.is-on{background:#fff;}
@media (max-width:900px){.alfa-slide{min-height:440px;}.alfa-bgblock{padding:18px 20px;}}
.appx-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.appx-card{position:relative;display:block;border-radius:var(--radius,12px);overflow:hidden;aspect-ratio:4/3;text-decoration:none;}
.appx-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.appx-card:hover img{transform:scale(1.06);}
.appx-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(0,0,0,.62) 100%);}
.appx-body{position:absolute;left:0;right:0;bottom:0;padding:16px;color:#fff;}
.appx-body h3{margin:0 0 4px;font-size:16.5px;}
.appx-body p{margin:0;font-size:14px;color:rgba(255,255,255,.88);}
@media (max-width:1100px){.appx-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.appx-grid{grid-template-columns:1fr;}}

/* ===== appx-shade v2 (contrast fix) + alfa refinements ===== */
.appx-shade{background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(0,0,0,.72) 100%);}
.alfa-bgblock{-webkit-mask-image:linear-gradient(90deg,#000 92%,transparent 100%);mask-image:linear-gradient(90deg,#000 92%,transparent 100%);}
.alfa-dot{width:26px;height:26px;background-clip:content-box;box-sizing:border-box;}

/* slider sharpness: smooth upscale rendering */
.alfa-slide img{image-rendering:auto;transform:scale(1.0);will-change:transform;}

/* ===== Services intro (What We Do) ===== */
.svc-intro{padding:56px 0 8px;}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.svc-item{background:#fff;border:1px solid var(--line,#e5e7eb);border-radius:10px;padding:22px 20px;}
.svc-item h3{margin:0 0 8px;font-size:15.5px;color:var(--ink,#1f2937);}
.svc-item p{margin:0;font-size:14px;line-height:1.6;color:var(--slate,#556);}
@media (max-width:1100px){.svc-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.svc-grid{grid-template-columns:1fr;}}

/* ===== 首页融合改版：镜像站版面语言（by-surface / 交替产品行 / 双列特色 / 近期文章） ===== */
.split-head{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:end;margin-bottom:46px;}
.split-head h2{margin:0;}
.split-head p{margin:0;font-size:16.5px;color:var(--slate);}
.surface-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.surface-card{display:block;color:inherit;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;
  box-shadow:0 6px 18px rgba(0,0,0,.05);transition:transform .25s var(--ease),box-shadow .25s var(--ease);}
.surface-card:hover{transform:translateY(-8px);box-shadow:0 14px 34px var(--shadow);color:inherit;}
.sc-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#eef3ee;}
.sc-media>img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.surface-card:hover .sc-media>img{transform:scale(1.05);}
.sc-thumbs{position:absolute;right:12px;bottom:12px;display:flex;gap:8px;}
.sc-thumbs img{width:62px;height:62px;object-fit:cover;border-radius:6px;border:2px solid #fff;box-shadow:0 4px 12px rgba(0,0,0,.28);}
.sc-body{padding:20px 22px 22px;}
.sc-label{font-size:14px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--primary-bright);}
.sc-body h3{font-size:20px;margin:8px 0 6px;}
.sc-body p{font-size:14.5px;color:var(--slate);margin:0 0 14px;}
.vlink{font-weight:600;color:var(--primary);font-size:15px;}
.rows{display:grid;gap:26px;}
.prow{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:30px;box-shadow:0 6px 18px rgba(0,0,0,.04);}
.prow.rev .prow-text{order:2;}
.prow h3{font-size:26px;margin:6px 0 10px;}
.prow p{font-size:15px;}
.prow-media{display:grid;grid-template-columns:1.45fr .95fr;gap:14px;align-items:end;}
.prow-media img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:8px;background:#eef3ee;}
.duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.duo-card{position:relative;display:block;border-radius:14px;overflow:hidden;aspect-ratio:16/10;color:#fff;}
.duo-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.duo-card:hover img{transform:scale(1.05);}
.duo-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 28%,rgba(0,0,0,.72) 100%);}
.duo-body{position:absolute;left:0;right:0;bottom:0;padding:26px;color:#fff;}
.duo-body h3{color:#fff;margin:0 0 6px;}
.duo-body p{color:rgba(255,255,255,.9);margin:0 0 12px;font-size:14.5px;}
.duo-body .vlink{color:#fff;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.sec-white{background:#fff;}
@media (max-width:1100px){.surface-grid{grid-template-columns:1fr;}.prow-media img{aspect-ratio:4/3;}}
@media (max-width:992px){.split-head,.prow{grid-template-columns:1fr;gap:26px;}.prow.rev .prow-text{order:0;}}
@media (max-width:768px){.duo-grid,.post-grid{grid-template-columns:1fr;}.prow{padding:22px;}}

/* ===== client-side model filter ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:18px 0 6px;}
.fbtn{border:1px solid var(--line,#e5e7eb);background:#fff;color:var(--ink,#1f2937);border-radius:999px;padding:7px 15px;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;}
.fbtn:hover{border-color:var(--primary);}
.fbtn.is-on{background:var(--primary);border-color:var(--primary);color:#fff;}
.fsearch{flex:1 1 220px;min-width:180px;border:1px solid var(--line,#e5e7eb);border-radius:999px;padding:8px 16px;font-size:14px;outline:none;}
.fsearch:focus{border-color:var(--primary);}
.fcount{font-size:14px;color:var(--slate,#556);margin:4px 0 14px;}

/* ===== RFQ form backend (FormSubmit) ===== */
.form-ok{text-align:center;padding:34px 20px;background:#f2f9f4;border:1px solid var(--primary,#2e7d4f);border-radius:12px;}
.form-ok h3{margin:0 0 10px;color:var(--primary,#2e7d4f);}
.form-ok p{margin:0;color:var(--slate,#556);}

/* v21 buying-essentials bar */
.buy-bar{background:#f0f7f1;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.buy-bar-grid{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;flex-wrap:wrap;gap:18px 28px;align-items:center;font-size:14px;}
.bb-k{display:block;font-size:14px;letter-spacing:1px;text-transform:uppercase;color:var(--primary-bright);font-weight:700;}
.bb-v{color:#243b2b;font-weight:600;}
.bb-cta{margin-left:auto;}
.bb-btn{display:inline-block;background:var(--primary);color:#fff;padding:9px 18px;border-radius:6px;text-decoration:none;font-weight:600;}
.bb-btn:hover{background:var(--primary-bright);}
@media(max-width:760px){.bb-cta{margin-left:0;width:100%;}.bb-btn{display:block;text-align:center;}}
/* ===== v26 fullscreen hero + sample section ===== */
.alfa-slide{min-height:calc(100vh - 120px);min-height:calc(100dvh - 120px);max-height:none;}
.alfa-slide::after{background:linear-gradient(90deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.28) 48%,rgba(0,0,0,.06) 100%),linear-gradient(0deg,rgba(0,0,0,.38) 0%,rgba(0,0,0,0) 42%);}
.alfa-bgblock{background:transparent;padding:0;max-width:760px;-webkit-mask-image:none;mask-image:none;}
.alfa-bgblock h1,.alfa-bgblock h2{text-shadow:0 2px 22px rgba(0,0,0,.55);}
.alfa-bgblock p{text-shadow:0 1px 12px rgba(0,0,0,.6);}
@media (max-width:900px){.alfa-slide{min-height:max(480px,calc(100vh - 120px));min-height:max(480px,calc(100dvh - 120px));}}
.samp-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;}
.samp-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:26px;box-shadow:0 6px 18px rgba(0,0,0,.05);}
.samp-card h3{margin:0 0 14px;font-size:17px;}
.samp-list{margin:0 0 18px;padding-left:20px;display:grid;gap:9px;font-size:14.5px;color:var(--slate);line-height:1.55;}
.samp-check{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:10px;}
.samp-check li{position:relative;padding-left:26px;font-size:14.5px;color:#243b2b;font-weight:600;}
.samp-check li::before{content:"\2713";position:absolute;left:0;top:0;color:var(--primary-bright);font-weight:700;}
.samp-note{margin:0;font-size:14px;color:var(--slate);}
@media (max-width:900px){.samp-grid{grid-template-columns:1fr;}}

/* ===== v27 top-tier navigation (2026-09-21): utility bar + 6-item nav + ORAFOL 2-axis mega ===== */
.n2-utility{background:#0d1b1e;color:#cfd8d2;font-size:14px;height:36px;display:flex;justify-content:space-between;align-items:center;padding:0 24px;}
.n2-u-group{display:flex;align-items:center;gap:16px;}
.n2-utility a{color:#cfd8d2;text-decoration:none;display:inline-flex;align-items:center;gap:6px;}
.n2-utility a:hover{color:#fff;}
.n2-u-badge,.n2-utility a.n2-u-badge:hover{color:#9ab89f;font-weight:600;}
.n2-utility a.n2-u-badge:hover{text-decoration:underline;}
.n2-u-sep{width:1px;height:12px;background:#3a4a42;}
.n2-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;position:relative;}
.n2-main{display:flex;align-items:center;gap:2px;}
.n2-main>details.n2-has{position:relative;}
.n2-main>details.n2-has>summary,.n2-main>a{font-size:14px;font-weight:600;color:#2a3a30;text-decoration:none;cursor:pointer;list-style:none;padding:9px 13px;border-radius:6px;white-space:nowrap;display:inline-flex;align-items:center;transition:color .15s,background .15s;}
.n2-main>details.n2-has>summary::-webkit-details-marker{display:none;}
.n2-main>details.n2-has>summary::after{content:"\25BE";font-size:10px;margin-left:5px;color:var(--slate);transition:transform .2s cubic-bezier(.4,0,.2,1);}
.n2-main>details.n2-has[open]>summary::after{transform:rotate(180deg);}
.n2-main>details.n2-has>summary:hover,.n2-main>a:hover{color:var(--primary);background:#f1f4ef;}
.n2-main>a.n2-cur{color:var(--primary);}
.n2-mega{position:absolute;left:50%;top:calc(100% + 6px);transform:translateX(-50%) translateY(6px);width:min(880px,92vw);background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 24px 48px rgba(13,27,30,.16),0 4px 12px rgba(13,27,30,.06);padding:26px 26px 18px;opacity:0;visibility:hidden;transition:opacity .2s cubic-bezier(.4,0,.2,1),transform .2s cubic-bezier(.4,0,.2,1),visibility .2s;z-index:60;}
details.n2-has[open]> .n2-mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.n2-mega-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;}
.n2-mega-head{font-size:14px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--primary);padding-bottom:8px;border-bottom:1px solid var(--border);margin-bottom:10px;}
.n2-ml{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:7px 10px;border-radius:8px;text-decoration:none;}
.n2-ml:hover{background:#f1f4ef;}
.n2-ml b{font-size:14px;font-weight:600;color:#26332c;}
.n2-ml:hover b{color:var(--primary);}
.n2-ml small{display:block;font-size:14px;color:var(--slate);margin-top:1px;}
.n2-ml em{font-style:normal;font-size:14px;color:var(--primary);font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;}
.n2-mega-foot{margin-top:18px;padding-top:14px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;}
.n2-mega-foot a{font-size:14px;font-weight:600;color:var(--primary);text-decoration:none;}
.n2-mega-foot a:hover{text-decoration:underline;}
.n2-hint{font-size:14px;color:var(--slate);}
.n2-mini{position:absolute;left:0;top:calc(100% + 6px);min-width:230px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 16px 32px rgba(13,27,30,.14);padding:10px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s cubic-bezier(.4,0,.2,1),transform .18s cubic-bezier(.4,0,.2,1),visibility .18s;z-index:60;}
details.n2-has[open]> .n2-mini{opacity:1;visibility:visible;transform:translateY(0);}
.n2-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.n2-burger{display:none;}
@media (max-width:1150px){
  .n2-main{display:none;}
  .n2-row{height:58px;}
  .n2-burger{display:block;position:relative;}
  .n2-burger>summary{list-style:none;cursor:pointer;font-size:22px;padding:4px 10px;display:block;}
  .n2-burger>summary::-webkit-details-marker{display:none;}
  .n2-burger-panel{position:absolute;right:0;top:100%;background:#fff;border:1px solid var(--border);border-bottom:1px solid var(--border);box-shadow:0 16px 32px rgba(13,27,30,.12);padding:12px 16px 20px;min-width:240px;z-index:70;}
  .n2-burger-panel a{display:block;padding:11px 8px;font-size:15px;font-weight:600;color:#26332c;text-decoration:none;border-bottom:1px solid #eef1ea;}
  .n2-burger-panel a:hover{color:var(--primary);}
  .n2-burger-panel em{float:right;font-style:normal;font-size:14px;color:var(--primary);font-weight:700;}
}
@media (max-width:768px){
  .n2-utility{font-size:14px;padding:0 14px;gap:8px;}
  .n2-u-group{gap:8px;}
}

/* v28: nav hover focus indicator + hover-open dropdown (driven by nav-hover.js) */
.n2-main>details.n2-has>summary:hover,
.n2-main>details.n2-has[open]>summary,
.n2-main>a:hover,
.n2-main>a.n2-cur{color:var(--primary);background:#f1f4ef;box-shadow:inset 0 -2px 0 var(--primary);}
.n2-main>details.n2-has>summary:hover::after{transform:rotate(180deg);}
.n2-main>details.n2-has>summary:focus-visible,
.n2-main>a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

/* v29: nav SKU search box + search page (sample: 顶级导航方案样张_装饰膜站_20260921) */
.n2-search{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:8px;padding:5px 10px;background:var(--bg);}
.n2-search svg{width:15px;height:15px;stroke:var(--slate);fill:none;flex-shrink:0;}
.n2-search input{border:none;background:transparent;outline:none;font-size:14px;width:132px;color:inherit;font-family:inherit;}
.n2-search input::placeholder{color:var(--slate);}
.n2-search:focus-within{border-color:var(--primary);}
.sr-form{display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:10px;padding:12px 16px;background:#fff;box-shadow:0 2px 10px rgba(50,50,93,.06);max-width:760px;}
.sr-form svg{width:18px;height:18px;stroke:var(--slate);fill:none;flex-shrink:0;}
.sr-form input{flex:1;border:none;background:transparent;outline:none;font-size:15px;font-family:inherit;color:inherit;min-width:0;}
.sr-form button{border:none;background:var(--primary);color:#fff;font-weight:700;font-size:14px;padding:9px 18px;border-radius:8px;cursor:pointer;font-family:inherit;}
.sr-form button:hover{background:var(--primary-bright);}
.sr-meta-line{margin:14px 0 6px;font-size:14px;color:var(--slate);}
.sr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:12px;margin-top:14px;}
.sr-item{display:flex;align-items:center;gap:12px;border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:#fff;text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s;}
.sr-item:hover{border-color:var(--primary);box-shadow:0 6px 18px rgba(50,50,93,.1);}
.sr-item img,.sr-item .sr-ph{width:54px;height:54px;border-radius:8px;object-fit:cover;flex-shrink:0;background:#eef2ee;display:flex;align-items:center;justify-content:center;color:var(--slate);font-size:12px;font-weight:700;}
.sr-body{display:flex;flex-direction:column;gap:2px;min-width:0;}
.sr-code{font-weight:700;font-size:14px;color:var(--navy);word-break:break-all;}
.sr-name{font-size:14px;color:var(--body);}
.sr-meta{font-size:14px;color:var(--slate);}
.sr-go{margin-left:auto;font-size:14px;color:var(--primary);font-weight:600;white-space:nowrap;}
.sr-more{grid-column:1/-1;font-size:14px;color:var(--slate);margin:6px 0 0;}
.sr-none{grid-column:1/-1;border:1px dashed var(--border);border-radius:10px;padding:18px 20px;background:#fff;}
.sr-none p{margin:0 0 8px;}
.sr-h3{margin:26px 0 10px;font-size:16px;}
.sr-list{margin:0;padding-left:18px;}
.sr-list a{color:var(--primary);}
.sr-help{margin-top:34px;padding-top:22px;border-top:1px solid var(--border);max-width:760px;}
.sr-help h3{margin:0 0 8px;font-size:16px;}
mark{background:rgba(45,138,62,.18);color:inherit;padding:0 1px;border-radius:3px;}
@media (max-width:1024px){.n2-search{display:none;}}

/* v30: nav search aligned to nav-bar height (embedded look) + burger-panel search */
.n2-search{height:40px;padding:0 12px;border-radius:9px;}
.n2-search input{width:150px;font-size:14px;}
.n2-burger-search{display:none;padding:10px 8px 12px;border-bottom:1px solid #eef1ea;}
.n2-burger-search form{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:8px;padding:8px 10px;background:var(--bg);}
.n2-burger-search svg{width:15px;height:15px;stroke:var(--slate);fill:none;flex-shrink:0;}
.n2-burger-search input{flex:1;border:none;background:transparent;outline:none;font-size:14px;font-family:inherit;color:inherit;min-width:0;}
@media (max-width:1024px){.n2-search{display:none;}.n2-burger-search{display:block;}}

/* v31: brand wordmark right of the logo (design: 顶级导航方案样张 .logo-word/.logo-sub) */
.brand{gap:11px;}
.brand-text{display:flex;flex-direction:column;line-height:1.05;min-width:0;}
.brand-word{font-size:18px;font-weight:700;letter-spacing:.2px;color:var(--navy);white-space:nowrap;}
.brand-word em{font-style:normal;color:var(--primary);}
.brand-sub{font-size:9px;letter-spacing:1.5px;text-transform:uppercase;color:var(--slate);margin-top:3px;white-space:nowrap;}
@media (max-width:1150px){.brand-logo{height:30px;}.brand-word{font-size:16px;}}
@media (max-width:900px){.brand-sub{display:none;}.brand-word{font-size:15px;}}
@media (max-width:560px){.brand-text{display:none;}}


/* v33: original LCAIMY SIGN lockup restored in the nav (Sam 2026-09-21). The square
   design-sample mark is retired; the brand block widens 185 -> ~326px. */
.brand-logo{flex-shrink:0;}

/* v32 (kept): header row widened 1200 -> 1280, brand wordmark added.
   The square mark from v32 was REVERTED in v33 — the nav shows the original LCAIMY SIGN lockup,
   so compacting IS needed below 1280px (see the v33b guard band). */
.site-header .container.n2-row{max-width:1280px;}
.brand{gap:10px;}
.brand-text{flex-shrink:0;}
.brand-word{font-size:19px;letter-spacing:.4px;}
.brand-sub{font-size:9px;letter-spacing:1.4px;}

/* v33b: the restored lockup makes the row need ~1178px (brand 337 + nav 452 + search 199
   + gaps 38 + cta 136). Below viewport ~1226 that overflows and flex-shrink distorts the
   logo image, so compact the pieces inside the band instead of letting them squeeze. */
@media (max-width:1280px){
  .brand-logo{height:28px;}
  .brand-word{font-size:16px;letter-spacing:.2px;}
  .brand-sub{font-size:8.5px;letter-spacing:1.2px;}
  .n2-search input{width:118px;}
  .n2-main>details.n2-has>summary,.n2-main>a{font-size:14px;padding:9px 10px;}
}

/* v35: the lockup may NEVER squash. The global img{max-width:100%} clamps .brand-logo whenever the
   nav row is tight (<=410px viewport), and a clamped width with a fixed height distorts the aspect
   (375px -> 123x28 = 4.40 vs natural 5.385). object-fit letterboxes instead of squashing, so the
   aspect holds at every width; the narrow band below just gives the lockup more of the row back. */
.brand-logo{-webkit-object-fit:contain;object-fit:contain;object-position:left center;}
@media (max-width:430px){
  .brand-logo{height:26px;}
  .nav-cta{font-size:14px;padding:8px 11px;}
}

/* v36: nav metrics aligned to the approved sample (_v32_sample_ref.html, Sam 2026-09-21 15:43).
   Deltas found vs the sample: the search box had been enlarged by the v30 override (h40 / pad 0 12 /
   r9 / input 150 @13.5) and the CTA fell back to the global .btn (16px / 14x26 -> 136x48).
   Sample spec restores: search pad 6x10 / r8 / input 130 @13; CTA 13.5px/700, pad 10x18, r8 (112x38).
   The brand keeps the real LCAIMY SIGN lockup (Sam 14:10) - the sample's 32px square mark was a
   placeholder - so the brand block stays ~337px wide and the side gaps settle near 73px. */
.n2-search{height:auto;padding:6px 10px;border-radius:8px;}
.n2-search input{font-size:14px;}
.nav-cta{font-size:14px;font-weight:700;padding:10px 18px;border-radius:8px;}
.brand-sub{font-size:9.5px;letter-spacing:1.6px;}
@media (min-width:1281px){.n2-search input{width:130px;}}
@media (max-width:430px){.nav-cta{font-size:14px;padding:8px 10px;}}

/* ===== v37 (2026-09-22) P1 触摸目标 >=44px：仅窄屏生效，桌面视觉不变 =====
   依据：审计 A3「40 个触摸目标 < 44px」。轮播圆点用 ::after 画 26px 视觉点，
   按钮本体 44x44 且 gap:0 保证相邻命中区不重叠（原先 26px + gap 10px = 间距仅 36px）。 */
@media(max-width:900px){
  .alfa-dots{gap:0;}
  .alfa-dot{width:44px;height:44px;position:relative;border:0;background:transparent;box-sizing:border-box;}
  .alfa-dot::after{content:"";position:absolute;left:50%;top:50%;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;border:2px solid #fff;box-sizing:border-box;}
  .alfa-dot.is-on{background:transparent;}
  .alfa-dot.is-on::after{background:#fff;}
  .site-footer li{margin-bottom:0;}
  .site-footer a{display:inline-block;padding:11px 0;}
  .nav-cta{min-height:44px;display:inline-flex;align-items:center;justify-content:center;}
  .n2-search{height:44px;}
  /* 移动端真实搜索框：burger 面板内（审计所指「移动搜索框 22px」）——收掉纵向 padding，输入框本体 44px */
  .n2-burger-search form{padding:0 10px;}
  .n2-burger-search input{min-height:44px;}
  /* 搜索页表单：输入框 23px / 按钮 38px */
  .sr-form{padding:0 16px;}
  .sr-form input{min-height:44px;}
  .sr-form button{min-height:44px;}
  /* 独立 CTA 按钮（buy-bar 内，原 40px） */
  .bb-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;}
}

/* ==== P2 标题层级修正 (2026-09-22)：消除标题跳级，视觉锚定原计算值 ==== */
/* 页脚品牌字已改为 div（logo 非章节标题），此处复刻原 h5 的完整计算样式 */
.site-footer .fb-mark{font-family:'Source Sans 3',-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-weight:300;line-height:1.15;font-feature-settings:'ss01' on;color:#fff;font-size:15px;margin:0 0 14px;text-transform:uppercase;letter-spacing:.8px;}
/* h1 后直接 h3 的 4 个枢纽页：这些元素语义提升为 h2，字号/字距/外边距锚定改前实测值
   （通用 h2 规则为 font-size:clamp(26px,3.4vw,40px);letter-spacing:-1px，故须一并锚定字距）*/
.h2-sr{font-size:16px;letter-spacing:-0.5px;margin:0 0 8px;}          /* search.html  */
.h2-ty{font-size:22px;letter-spacing:-0.5px;}                          /* thank-you.html（第 4 项内联 17px 仍优先生效）*/
.h2-gg{font-size:17px;letter-spacing:-0.5px;margin:0 0 8px;}           /* guides/index.html */
.h2-pd{font-size:clamp(20px,2.2vw,26px);letter-spacing:-0.5px;}        /* product-detail.html */