/* ================================================================
   竞翔包装 (GIANTFLYING) — 全站设计系统 v2.0
   品牌色系：蓝白工业风
   ================================================================ */

/* ----- CSS Custom Properties ----- */
:root {
  /* Brand Colors */
  --brand-blue: #173B8F;
  --deep-blue: #0F2F70;
  --accent-blue: #1D4ED8;
  --pale-blue: #F3F7FD;
  --pale-blue-2: #EEF3FB;

  /* Text Colors */
  --body-text: #334155;
  --heading-text: #0F172A;
  --muted-text: #64748B;
  --light-text: #94A3B8;
  --white-text: #FFFFFF;

  /* Accent */
  --cta-red: #D71920;
  --cta-red-hover: #B31519;

  /* Borders & Backgrounds */
  --border: #DCE5F2;
  --border-light: #EEF2F8;
  --bg-page: #F8FAFC;
  --bg-white: #FFFFFF;
  --bg-dark: #0F172A;
  --bg-dark-card: rgba(255,255,255,.04);
  --border-dark: rgba(255,255,255,.06);

  /* Status Colors */
  --success: #059669;
  --success-bg: #ECFDF5;
  --warning: #D97706;
  --warning-bg: #FFFBEB;
  --error: #EF4444;
  --error-bg: #FEF2F2;

  /* Spacing */
  --section-py: 80px;
  --section-py-mobile: 48px;
  --content-max: 1200px;
  --content-padding: 24px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 14px;
  --radius-2xl: 20px;
  --radius-full: 100px;

  /* Typography */
  --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --text-base: 16px;
  --text-line-height: 1.7;
  --h1-size: clamp(28px, 4.5vw, 44px);
  --h2-size: clamp(24px, 3.2vw, 32px);
  --h3-size: 18px;

  /* Nav */
  --nav-height: 68px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(23,59,143,.06);
  --shadow-lg: 0 8px 28px rgba(23,59,143,.08);
  --shadow-button: 0 6px 20px rgba(23,59,143,.25);
  --shadow-red: 0 6px 20px rgba(215,25,32,.25);

  /* Transitions */
  --transition-fast: .2s ease;
  --transition-base: .25s ease;
  --transition-slow: .35s ease;
}

/* ----- Reset & Base ----- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-height) + 8px);-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-base);
  color:var(--body-text);
  background:var(--bg-white);
  line-height:var(--text-line-height);
  font-size:var(--text-base);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
table{border-collapse:collapse;width:100%}

/* ----- Typography ----- */
h1,.h1{font-size:var(--h1-size);font-weight:900;color:var(--heading-text);line-height:1.2;letter-spacing:-.5px}
h2,.h2{font-size:var(--h2-size);font-weight:800;color:var(--heading-text);line-height:1.3}
h3,.h3{font-size:var(--h3-size);font-weight:700;color:var(--heading-text);line-height:1.4}
h4,.h4{font-size:15px;font-weight:700;color:var(--heading-text);line-height:1.4}

.section-tag{
  font-size:12px;letter-spacing:3px;text-transform:uppercase;
  color:var(--accent-blue);font-weight:700;margin-bottom:6px;display:inline-block;
}
.section-title{
  font-size:var(--h2-size);font-weight:800;color:var(--heading-text);
  line-height:1.3;margin-bottom:12px;
}
.section-sub{
  font-size:15px;color:var(--muted-text);max-width:640px;line-height:1.8;
}

/* ----- Layout ----- */
.container{max-width:var(--content-max);margin:0 auto;padding:0 var(--content-padding)}
.section{padding:var(--section-py) 0}
@media(max-width:768px){.section{padding:var(--section-py-mobile) 0}}

.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;
  transition:all var(--transition-base);
  cursor:pointer;border:none;white-space:nowrap;
  text-align:center;justify-content:center;
}
.btn-lg{padding:14px 32px;font-size:15px}
.btn-sm{padding:8px 18px;font-size:13px}

/* Primary Button (Blue) */
.btn-primary{
  background:var(--brand-blue);color:var(--white-text);
}
.btn-primary:hover{
  background:var(--deep-blue);
  transform:translateY(-1px);
  box-shadow:var(--shadow-button);
}

/* CTA Button (Red — limited use) */
.btn-cta{
  background:var(--cta-red);color:var(--white-text);
}
.btn-cta:hover{
  background:var(--cta-red-hover);
  transform:translateY(-1px);
  box-shadow:var(--shadow-red);
}

/* Outline Button */
.btn-outline{
  background:transparent;color:var(--brand-blue);
  border:2px solid var(--brand-blue);
}
.btn-outline:hover{
  background:var(--pale-blue);
}

/* White Button */
.btn-white{
  background:var(--white-text);color:var(--brand-blue);
}
.btn-white:hover{
  transform:translateY(-1px);
  box-shadow:0 6px 20px rgba(0,0,0,.12);
}


/* Link-style button */
.btn-link{
  background:none;color:var(--brand-blue);padding:0;
  font-weight:600;font-size:14px;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-link:hover{color:var(--accent-blue)}
.btn-link::after{content:'→';transition:transform var(--transition-fast)}
.btn-link:hover::after{transform:translateX(3px)}

/* ===== Navigation ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-light);
  height:var(--nav-height);
  transition:box-shadow var(--transition-slow);
}
.nav.scrolled{box-shadow:var(--shadow-sm)}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--nav-height);
  max-width:var(--content-max);
  margin:0 auto;
  padding:0 var(--content-padding);
}
.nav-brand{font-size:19px;font-weight:800;color:var(--heading-text)}
.nav-brand span{color:var(--brand-blue)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{
  font-size:14px;font-weight:500;color:var(--body-text);
  transition:color var(--transition-fast);position:relative;
}
.nav-links a:hover{color:var(--brand-blue)}
.nav-links a.active{
  color:var(--cta-red);
}
.nav-links a.active::after{
  content:'';position:absolute;bottom:-4px;left:0;right:0;
  height:2px;background:var(--cta-red);border-radius:2px;
}
.nav-cta-btn{
  padding:8px 18px;border-radius:var(--radius-sm);
  background:var(--cta-red);color:var(--white-text)!important;
  font-weight:600;font-size:14px;
  transition:all var(--transition-base);
}
.nav-cta-btn:hover{
  background:var(--cta-red-hover)!important;
  transform:translateY(-1px);
}

/* Hamburger */
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2px;background:var(--heading-text);border-radius:2px;transition:.3s}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Mobile nav open */
.nav-links.mobile-open{
  display:flex;position:fixed;
  top:var(--nav-height);left:0;right:0;bottom:0;
  background:var(--bg-white);
  flex-direction:column;
  padding:24px;
  gap:16px;
  box-shadow:0 8px 24px rgba(0,0,0,.08);
  overflow-y:auto;
  z-index:99;
}

/* ===== Hero Section (Homepage) ===== */
.hero{
  padding:140px 0 80px;
  background:linear-gradient(175deg, var(--pale-blue) 0%, var(--bg-page) 45%, var(--bg-white) 100%);
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;
  top:-260px;right:-180px;
  width:600px;height:600px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,59,143,.06) 0%,transparent 70%);
}
.hero::after{
  content:'';position:absolute;
  bottom:-120px;left:-60px;
  width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,59,143,.03) 0%,transparent 65%);
}

/* Hero with banner background */
.hero-banner{
  padding:160px 0 100px;
  background-size:cover;
  background-position:center;
  position:relative;
}
.hero-banner::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.85) 45%,rgba(255,255,255,.25) 70%,transparent 100%);
}
.hero-banner .hero-inner{position:relative;z-index:1;}
.hero-banner .hero-desc{color:var(--body-text);}

@media(max-width:768px){
  .hero-banner::before{
    background:linear-gradient(180deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.88) 60%,rgba(255,255,255,.7) 100%);
  }
  .hero-banner{padding:120px 0 60px;}
}
.hero-inner{
  display:grid;grid-template-columns:1.2fr 0.8fr;
  gap:64px;align-items:center;
  position:relative;z-index:1;
}
.hero-badge{
  display:inline-block;font-size:12px;letter-spacing:2px;
  color:var(--brand-blue);font-weight:600;margin-bottom:12px;
  padding:4px 12px;background:rgba(23,59,143,.08);
  border-radius:var(--radius-full);
}
.hero h1{font-size:var(--h1-size);margin-bottom:16px}
.hero h1 .accent{color:var(--brand-blue)}
.hero-desc{
  font-size:16px;color:var(--body-text);line-height:1.85;
  margin-bottom:28px;max-width:540px;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Hero selling points */
.hero-selling{display:flex;flex-direction:column;gap:16px}
.sell-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 20px;
  background:rgba(255,255,255,.7);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  transition:all var(--transition-base);
}
.sell-item:hover{
  background:var(--bg-white);
  border-color:var(--brand-blue);
  box-shadow:var(--shadow-md);
}
.sell-icon{
  width:44px;height:44px;border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;flex-shrink:0;
  background:var(--pale-blue);
}
.sell-text h4{font-size:15px;margin-bottom:2px}
.sell-text p{font-size:13px;color:var(--muted-text);line-height:1.55;margin:0}

/* ===== Product Cards ===== */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.prod-card{
  background:var(--pale-blue);
  border:1px solid var(--border-light);
  border-radius:var(--radius-xl);
  padding:36px 24px 28px;
  text-align:center;
  transition:all var(--transition-base);
  display:flex;flex-direction:column;align-items:center;
}
.prod-card:hover{
  background:var(--bg-white);
  border-color:var(--brand-blue);
  box-shadow:var(--shadow-lg);
  transform:translateY(-2px);
}
.prod-card-img{
  width:100%;aspect-ratio:4/3;
  background:var(--bg-white);border-radius:var(--radius-md);
  margin-bottom:20px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border-light);
}
.prod-card-img img{
  width:100%;height:100%;object-fit:contain;padding:16px;
}
.prod-card-img .prod-icon-placeholder{
  font-size:48px;color:var(--brand-blue);opacity:.7;
}
.prod-card h4{font-size:16px;margin-bottom:8px}
.prod-card p{font-size:13px;color:var(--muted-text);line-height:1.6;margin-bottom:8px;max-width:240px}
.prod-card .btn-link{margin-top:auto}

/* ===== Scenario Cards ===== */
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.scenario-card{
  background:var(--bg-white);
  border:1px solid var(--border-light);
  border-radius:var(--radius-xl);
  padding:28px 24px;
  transition:all var(--transition-base);
  display:flex;flex-direction:column;
  overflow:hidden;
}
.scenario-card:hover{
  border-color:var(--brand-blue);
  box-shadow:var(--shadow-lg);
  transform:translateY(-2px);
}
.scenario-card .sc-icon{
  width:48px;height:48px;border-radius:var(--radius-lg);
  background:var(--pale-blue);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:16px;
}
.scenario-card h4{font-size:16px;margin-bottom:8px}
.scenario-card p{
  font-size:13px;color:var(--muted-text);line-height:1.7;
  flex:1;margin-bottom:14px;
}
.scenario-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.scenario-tags .stag{
  font-size:11px;padding:4px 10px;
  background:var(--pale-blue);color:var(--brand-blue);
  border-radius:var(--radius-full);font-weight:500;
}

/* Scenario card images */
.sc-img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-md) var(--radius-md) 0 0;
  display:block;
}

/* ===== Quality / Dark Section ===== */
.quality-dark{
  background:var(--bg-dark);color:var(--light-text);
}
.quality-dark .section-title{color:var(--white-text)}
.quality-dark .section-tag{color:var(--accent-blue)}
.quality-dark .section-sub{color:var(--muted-text)}
.quality-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
  margin-top:40px;align-items:start;
}
.quality-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
.quality-stat{
  background:var(--bg-dark-card);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);
  padding:24px 20px;text-align:center;
  transition:all var(--transition-base);
}
.quality-stat:hover{background:rgba(255,255,255,.06)}
.quality-stat .qs-num{
  font-size:36px;font-weight:900;color:var(--accent-blue);
  line-height:1.1;display:flex;align-items:baseline;justify-content:center;gap:2px;
}
.quality-stat .qs-unit{font-size:16px;color:#93C5FD;font-weight:600}
.quality-stat .qs-label{font-size:13px;color:var(--muted-text);margin-top:6px}

.quality-certs{display:flex;flex-direction:column;gap:14px}
.quality-cert{
  background:var(--bg-dark-card);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);
  padding:20px 24px;display:flex;gap:16px;align-items:flex-start;
  transition:all var(--transition-base);
}
.quality-cert:hover{background:rgba(255,255,255,.06)}
.quality-cert .qc-icon{
  width:44px;height:44px;border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;flex-shrink:0;
  background:rgba(23,59,143,.15);
}
.quality-cert h4{font-size:15px;color:var(--white-text);margin-bottom:4px}
.quality-cert p{font-size:13px;color:var(--muted-text);line-height:1.7}
.badge{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-full);
  font-size:11px;font-weight:700;margin-top:6px;
}
.badge-pass{background:rgba(5,150,105,.15);color:var(--success)}
.badge-info{background:rgba(23,59,143,.15);color:var(--brand-blue)}

/* Quality card images */
.qcard img{
  width:100%;border-radius:var(--radius-md);
  margin-top:16px;display:block;
}

/* ===== Quality Page (quality.html) ===== */
.section-header{
  display:flex;align-items:center;gap:12px;
  margin-bottom:24px;
}
.section-num{
  font-size:13px;font-weight:700;color:var(--brand-blue);
  background:var(--pale-blue);padding:4px 10px;border-radius:var(--radius-sm);
}
.section-header h2{
  font-size:24px;font-weight:800;color:var(--heading-text);
}

.qcard-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.qcard{
  background:var(--bg-white);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:24px;
  display:flex;flex-direction:column;gap:12px;
  transition:all var(--transition-base);
}
.qcard:hover{
  border-color:var(--brand-blue);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.qcard .qc-icon{
  width:44px;height:44px;border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;flex-shrink:0;
  background:var(--pale-blue);
}
.qc-tag{
  display:inline-block;font-size:11px;font-weight:700;
  color:var(--brand-blue);background:var(--pale-blue);
  padding:3px 10px;border-radius:var(--radius-full);
  width:fit-content;
}
.qcard h3{font-size:17px;font-weight:800;color:var(--heading-text)}
.qcard p{font-size:13px;color:var(--body-text);line-height:1.7}
.qc-link{
  margin-top:auto;padding-top:12px;
  font-size:14px;font-weight:600;color:var(--brand-blue);
  border-top:1px solid var(--border-light);
}
.qc-link:hover{color:var(--accent-blue)}

.flow-steps{
  display:flex;flex-direction:column;gap:16px;
}
.flow-step{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--bg-white);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:22px 24px;
}
.flow-num{
  width:36px;height:36px;border-radius:50%;
  background:var(--brand-blue);color:var(--white-text);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;flex-shrink:0;
}
.flow-body{flex:1}
.flow-body h4{font-size:15px;font-weight:700;color:var(--heading-text);margin-bottom:6px}
.flow-body p{font-size:13px;color:var(--body-text);line-height:1.7}

.notice-box{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--pale-blue);border:1px solid rgba(23,59,143,.12);
  border-radius:var(--radius-lg);padding:24px;
}
.n-icon{
  width:40px;height:40px;border-radius:50%;
  background:rgba(245,158,11,.12);color:#d97706;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;flex-shrink:0;
}
.n-body h3{font-size:16px;font-weight:700;color:var(--heading-text);margin-bottom:8px}
.n-body p{font-size:14px;color:var(--body-text);line-height:1.7}

.cta-buttons{
  display:flex;gap:12px;flex-wrap:wrap;
}

/* ===== Customize Cards ===== */
.cust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.cust-card{
  background:var(--bg-white);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:28px 22px;
  text-align:center;transition:all var(--transition-base);
}
.cust-card:hover{
  border-color:var(--brand-blue);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.cust-card .cust-icon{
  width:48px;height:48px;border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;margin:0 auto 14px;
  background:var(--pale-blue);
}
.cust-card h4{font-size:15px;margin-bottom:6px}
.cust-card p{font-size:13px;color:var(--muted-text);line-height:1.6}
.cust-cta{margin-top:36px;text-align:center}

/* ===== FAQ Accordion ===== */
.faq-grid{margin-top:40px}

/* FAQ list view (faq.html) */
.faq-grid--cards{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
.faq-grid--cards .faq-item{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;margin-bottom:0;
  text-decoration:none;
}
.faq-grid--cards .fq-icon{
  width:32px;height:32px;border-radius:var(--radius-md);
  background:var(--pale-blue);color:var(--brand-blue);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;flex-shrink:0;
}
.faq-grid--cards .fq-text{
  flex:1;font-size:14px;font-weight:600;color:var(--heading-text);
  line-height:1.5;
}
.faq-grid--cards .fq-arrow{
  color:var(--muted-text);font-size:16px;flex-shrink:0;
}
.faq-grid--cards .faq-item.pending .fq-arrow{display:none}
.faq-grid--cards .faq-item.pending{opacity:.7;cursor:default}
@media(max-width:768px){
  .faq-grid--cards{grid-template-columns:1fr}
}
.faq-item{
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  margin-bottom:10px;overflow:hidden;
  background:var(--bg-white);
  transition:border-color var(--transition-fast);
}
.faq-item:hover{border-color:var(--border)}
.faq-q{
  padding:20px 24px;font-size:15px;font-weight:600;
  color:var(--heading-text);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  transition:background var(--transition-fast),color var(--transition-fast);
  gap:16px;
}
.faq-q:hover{background:var(--pale-blue)}
.faq-q::after{
  content:'+';font-size:22px;color:var(--muted-text);
  font-weight:300;transition:all var(--transition-slow);
  flex-shrink:0;width:24px;text-align:center;
}
.faq-item.open .faq-q{color:var(--brand-blue)}
.faq-item.open .faq-q::after{content:'−';color:var(--brand-blue);transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease,padding .4s ease;
}
.faq-item.open .faq-a{max-height:400px;padding:0 24px 20px}
.faq-a p{font-size:14px;color:var(--body-text);line-height:1.8}
.faq-a .faq-cta{
  margin-top:12px;padding-top:12px;
  border-top:1px solid var(--border-light);
}
.faq-a .faq-cta .btn-sm{margin-top:8px}

/* ===== Convert / CTA Section ===== */
.convert-section{padding:var(--section-py) 0}
.convert-inner{
  background:linear-gradient(135deg,var(--brand-blue),var(--accent-blue));
  border-radius:var(--radius-2xl);
  padding:56px 40px;text-align:center;color:var(--white-text);
}
.convert-inner h2{font-size:28px;font-weight:800;color:var(--white-text);margin-bottom:12px}
.convert-inner>p{font-size:15px;opacity:.9;margin-bottom:32px;max-width:480px;margin-left:auto;margin-right:auto}
.convert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}
.convert-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius-lg);padding:24px 16px;
  transition:all var(--transition-base);
}
.convert-card:hover{
  background:rgba(255,255,255,.18);
  transform:translateY(-2px);
}
.convert-card .cv-icon{font-size:28px;margin-bottom:10px}
.convert-card h4{font-size:15px;color:var(--white-text);margin-bottom:4px}
.convert-card p{font-size:12px;opacity:.8;line-height:1.5}
.convert-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ===== About Section on Homepage ===== */
.about-home-preview{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
  align-items:center;margin-top:40px;
}
.about-home-text h3{font-size:22px;margin-bottom:14px}
.about-home-text p{font-size:14px;color:var(--body-text);line-height:1.8;margin-bottom:10px}
.about-home-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.about-stat-item{
  padding:16px;background:var(--pale-blue);
  border-radius:var(--radius-md);text-align:center;
}
.about-stat-item .as-num{font-size:28px;font-weight:900;color:var(--brand-blue);line-height:1}
.about-stat-item .as-label{font-size:12px;color:var(--muted-text);margin-top:6px}
.about-home-visual{
  background:var(--pale-blue);
  border-radius:var(--radius-xl);
  aspect-ratio:4/3;
  display:flex;align-items:center;justify-content:center;
  font-size:80px;color:var(--brand-blue);opacity:.4;
}

/* ===== Pain Points (Home) ===== */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.pain-card{
  background:var(--bg-white);border:1px solid var(--error-bg);
  border-radius:var(--radius-lg);padding:24px 20px;
  transition:all var(--transition-base);
  border-left:3px solid var(--error);
}
.pain-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.pain-card .pain-icon{font-size:22px;margin-bottom:10px}
.pain-card h4{font-size:15px;margin-bottom:6px}
.pain-card p{font-size:13px;color:var(--muted-text);line-height:1.7}

/* ===== Solutions (Home) ===== */
.sol-section{background:var(--bg-page)}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.sol-card{
  background:var(--bg-white);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:24px 20px;
  transition:all var(--transition-base);
  border-left:3px solid var(--brand-blue);
}
.sol-card:hover{
  border-color:var(--border);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.sol-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.sol-num{
  width:28px;height:28px;border-radius:50%;
  background:var(--pale-blue);color:var(--brand-blue);
  font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.sol-card h4{font-size:15px}
.sol-card p{font-size:13px;color:var(--muted-text);line-height:1.7}
.sol-prod{font-size:12px;color:var(--brand-blue);font-weight:600;margin-top:8px}

/* ===== Combo Solutions (Home) ===== */
.combo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.combo-card{
  background:var(--pale-blue);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:20px 16px;
  text-align:center;transition:all var(--transition-base);
}
.combo-card:hover{
  background:var(--bg-white);
  border-color:var(--brand-blue);
}
.combo-card .combo-icon{font-size:24px;margin-bottom:8px}
.combo-card h4{font-size:13px;margin-bottom:6px}
.combo-card p{font-size:12px;color:var(--muted-text);line-height:1.6}

/* ===== Footer ===== */
.footer{
  background:var(--bg-dark);color:var(--muted-text);
  padding:56px 0 28px;border-top:1px solid #1E293B;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:36px;margin-bottom:32px;
}
.fb h3{font-size:18px;font-weight:800;color:var(--white-text);margin-bottom:10px}
.fb p{font-size:13px;line-height:1.85}
.fc h4{
  font-size:11px;font-weight:700;color:#E2E8F0;margin-bottom:14px;
  letter-spacing:1.5px;text-transform:uppercase;
}
.fc a,.fc li{font-size:13px;color:var(--muted-text);display:block;margin-bottom:8px;transition:color var(--transition-fast)}
.fc a:hover{color:var(--accent-blue)}
.footer-bottom{
  border-top:1px solid #1E293B;padding-top:20px;
  display:flex;justify-content:space-between;
  font-size:12px;color:var(--light-text);
  flex-wrap:wrap;gap:8px;
}
.footer-bottom .icp-link{
  color:var(--light-text);text-decoration:none;transition:color var(--transition-fast);
}
.footer-bottom .icp-link:hover{color:var(--accent-blue);}

/* ================================================================
   INNER PAGES — Common Styles
   ================================================================ */

/* ----- Banner ----- */
.page-banner{
  margin-top:var(--nav-height);
  background:var(--pale-blue);
  color:var(--body-text);
  padding:64px 0;
  position:relative;overflow:hidden;
}
.page-banner-bg{
  background-size:cover;
  background-position:center;
}
.page-banner-bg::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.92) 0%,rgba(243,247,253,.88) 50%,rgba(255,255,255,.78) 100%);
}
.page-banner::before{
  content:'';position:absolute;
  top:-100px;right:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,59,143,.04) 0%,transparent 70%);
}
.page-banner::after{
  content:'';position:absolute;
  bottom:-80px;left:-100px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,59,143,.03) 0%,transparent 65%);
}
.page-banner-inner{
  position:relative;z-index:1;
}
.page-banner-content .banner-tag{
  font-size:12px;letter-spacing:3px;text-transform:uppercase;
  color:var(--brand-blue);margin-bottom:10px;font-weight:600;display:block;
}
.page-banner-content h1{
  font-size:clamp(28px,4vw,40px);font-weight:900;color:var(--heading-text);
  margin-bottom:12px;letter-spacing:1px;
}
.page-banner-content p{
  font-size:15px;color:var(--muted-text);line-height:1.8;
  max-width:580px;
}
/* V1.2: 恢复横幅HTML文字可见性，保证可抓取、可读 */
.page-banner-content{opacity:1;pointer-events:auto;}

@media(max-width:1024px){
  .page-banner-bg::before{
    background:linear-gradient(90deg,rgba(255,255,255,.94) 0%,rgba(243,247,253,.9) 100%);
  }
}
@media(max-width:768px){
  .page-banner{padding:48px 0}
  .page-banner-content h1{font-size:28px}
}

/* Breadcrumb */
.breadcrumb{
  max-width:var(--content-max);margin:0 auto;
  padding:16px var(--content-padding) 0;
  font-size:13px;color:var(--muted-text);
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted-text);transition:color var(--transition-fast)}
.breadcrumb a:hover{color:var(--brand-blue)}
.breadcrumb span{color:var(--body-text)}

/* Content area */
.content-area{max-width:var(--content-max);margin:0 auto;padding:40px var(--content-padding) 80px}

/* ----- Sidebar Layout ----- */
.sidebar-layout{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:start}
.sidebar{
  position:sticky;top:calc(var(--nav-height) + 24px);
  background:var(--bg-white);border:1px solid var(--border);
  border-radius:var(--radius-xl);padding:24px 20px;
}
.sidebar-title{
  font-size:13px;font-weight:700;color:var(--muted-text);
  letter-spacing:1px;text-transform:uppercase;margin-bottom:14px;
}
.sidebar-nav{display:flex;flex-direction:column;gap:2px}
.sidebar-nav a{
  display:block;padding:10px 14px;border-radius:var(--radius-sm);
  font-size:14px;color:var(--body-text);font-weight:500;
  transition:all var(--transition-fast);
}
.sidebar-nav a:hover{background:var(--pale-blue);color:var(--brand-blue)}
.sidebar-nav a.active{background:var(--pale-blue);color:var(--brand-blue);font-weight:600}
.sidebar-contact{
  margin-top:20px;padding-top:16px;
  border-top:1px solid var(--border-light);
}
.sidebar-contact p{font-size:12px;color:var(--muted-text);line-height:1.6}
.sidebar-contact a{color:var(--brand-blue);font-weight:500}
.sidebar-contact img{display:block;width:96px;height:96px;border-radius:4px;margin-top:8px}
.sidebar-contact .c-qr{font-size:12px;color:var(--muted-text);margin-top:4px}

/* Content blocks */
.content-block{margin-bottom:48px}
.content-block:last-child{margin-bottom:0}
.content-block h2{
  font-size:22px;font-weight:800;color:var(--heading-text);
  margin-bottom:16px;padding-bottom:12px;
  border-bottom:2px solid var(--pale-blue);
}
.content-block h3{font-size:17px;margin-bottom:10px}
.content-block p{font-size:14px;line-height:1.85;margin-bottom:12px}
.content-block ul:not(.scenario-tags):not(.sidebar-nav){
  padding-left:0;margin-bottom:14px;
}
.content-block ul:not(.scenario-tags):not(.sidebar-nav) li{
  position:relative;padding-left:18px;margin-bottom:6px;
  font-size:14px;line-height:1.7;
}
.content-block ul:not(.scenario-tags):not(.sidebar-nav) li::before{
  content:'';position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-blue);
}

/* ===== Tables ===== */
.spec-table{
  width:100%;border-collapse:collapse;
  border-radius:var(--radius-md);overflow:hidden;
  border:1px solid var(--border);margin:16px 0;
}
.spec-table thead{background:var(--pale-blue)}
.spec-table th{
  padding:12px 16px;font-size:13px;font-weight:700;
  color:var(--heading-text);text-align:left;
}
.spec-table td{
  padding:12px 16px;font-size:14px;color:var(--body-text);
  border-top:1px solid var(--border-light);
}
.spec-table tbody tr{transition:background var(--transition-fast)}
.spec-table tbody tr:hover{background:var(--pale-blue)}
.spec-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ===== Contact Page ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-bottom:64px}
.info-cards{display:flex;flex-direction:column;gap:16px}
.info-card{
  background:var(--bg-white);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:20px 24px;
  display:flex;align-items:flex-start;gap:16px;
  transition:all var(--transition-base);
}
.info-card:hover{box-shadow:var(--shadow-md);border-color:var(--brand-blue)}
.info-card-icon{
  width:44px;height:44px;border-radius:var(--radius-md);
  background:var(--pale-blue);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;flex-shrink:0;
}
.info-card-body h4{font-size:15px;margin-bottom:4px}
.info-card-body p,.info-card-body a{font-size:14px;color:var(--body-text);line-height:1.7;word-break:break-word}
.info-card-body a{color:var(--brand-blue);font-weight:500}

/* Inquiry Form */
.form-section{
  background:var(--bg-white);border:1px solid var(--border);
  border-radius:var(--radius-xl);padding:32px;
}
.form-section h2{font-size:22px;font-weight:800;margin-bottom:6px}
.form-sub{font-size:14px;color:var(--muted-text);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row-full{grid-column:1/-1}
.form-group label{
  display:block;font-size:13px;font-weight:600;
  color:var(--heading-text);margin-bottom:6px;
}
.form-group label .req{color:var(--cta-red)}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:10px 14px;border:1px solid var(--border);
  border-radius:var(--radius-sm);font-size:14px;
  font-family:var(--font-base);color:var(--body-text);
  background:var(--bg-white);transition:border-color var(--transition-fast);
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--brand-blue);
  box-shadow:0 0 0 3px rgba(23,59,143,.1);
}
.form-group textarea{resize:vertical;min-height:100px}
.form-submit{margin-top:20px;text-align:right}

/* Map / QR */
.map-placeholder{
  aspect-ratio:16/8;background:var(--pale-blue);
  border-radius:var(--radius-lg);
  display:flex;align-items:center;justify-content:center;
  color:var(--muted-text);font-size:14px;
  margin-bottom:16px;
}

/* Quick links */
.quick-links{margin-top:32px}
.quick-links h2{font-size:18px;font-weight:800;color:var(--heading-text);margin-bottom:20px;text-align:center}
.quick-links-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.quick-link{
  padding:14px;text-align:center;
  background:var(--pale-blue);border-radius:var(--radius-md);
  font-size:13px;font-weight:500;color:var(--brand-blue);
  transition:all var(--transition-fast);
}
.quick-link:hover{background:var(--brand-blue);color:var(--white-text)}

/* Compliance notice */
.compliance-note{
  margin-top:24px;padding:16px 20px;
  background:var(--warning-bg);border:1px solid #FDE68A;
  border-radius:var(--radius-md);
  font-size:13px;color:var(--warning);line-height:1.7;
}

/* ===== Scenario Detail Page ===== */
.scenario-section{margin-bottom:48px}
.scenario-section:last-child{margin-bottom:0}
.scenario-section h2{
  font-size:22px;font-weight:800;color:var(--heading-text);
  margin-bottom:16px;padding-bottom:12px;
  border-bottom:2px solid var(--pale-blue);
}
.scenario-section h3{font-size:17px;margin-bottom:10px}
.scenario-section p{font-size:14px;line-height:1.85;margin-bottom:12px}
.recommend-products{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;
}
.recommend-products .rp-tag{
  padding:8px 16px;background:var(--pale-blue);
  border-radius:var(--radius-full);
  font-size:13px;font-weight:500;color:var(--brand-blue);
  transition:all var(--transition-fast);
}
.recommend-products .rp-tag:hover{
  background:var(--brand-blue);color:var(--white-text);
}

/* ===== FAQ Detail Page ===== */
.faq-detail-content{margin-top:20px}
.faq-detail-content h2{
  font-size:22px;font-weight:800;margin-bottom:16px;
}
.faq-detail-content h3{font-size:17px;margin:24px 0 12px}
.faq-detail-content p{font-size:14px;line-height:1.85;margin-bottom:12px}
.faq-detail-content .comparison-table{margin:20px 0}
.faq-detail-content ul li{position:relative;padding-left:18px;margin-bottom:6px;font-size:14px;line-height:1.7}
.faq-detail-content ul li::before{
  content:'';position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--brand-blue);
}

/* FAQ detail key-value pairs */
.faq-params{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}
.faq-param-card{
  padding:14px 16px;background:var(--pale-blue);
  border-radius:var(--radius-md);
}
.faq-param-card .fp-label{font-size:12px;color:var(--muted-text);margin-bottom:4px}
.faq-param-card .fp-value{font-size:15px;font-weight:700;color:var(--heading-text)}

/* FAQ related links */
.faq-related{margin-top:32px;padding-top:20px;border-top:2px solid var(--pale-blue)}
.faq-related h3{font-size:16px;margin-bottom:12px}
.faq-related-links{display:flex;flex-wrap:wrap;gap:8px}
.faq-related-links a{
  padding:8px 16px;background:var(--pale-blue);
  border-radius:var(--radius-full);
  font-size:13px;color:var(--brand-blue);font-weight:500;
  transition:all var(--transition-fast);
}
.faq-related-links a:hover{
  background:var(--brand-blue);color:var(--white-text);
}

/* ===== CTA Box (inner pages) ===== */
.cta-box{
  background:linear-gradient(135deg,var(--brand-blue),var(--accent-blue));
  border-radius:var(--radius-xl);padding:36px 32px;text-align:center;
  color:var(--white-text);margin-top:32px;
}
.cta-box h3{font-size:20px;font-weight:800;color:var(--white-text);margin-bottom:8px}
.cta-box p{font-size:14px;opacity:.9;margin-bottom:20px}
.cta-box .cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ===== About Page ===== */
.about-nav{position:sticky;top:calc(var(--nav-height) + 24px)}
.about-nav a{transition:all var(--transition-fast)}
.section-anchor{padding-top:calc(var(--nav-height) + 16px);margin-top:calc(-1 * var(--nav-height) - 16px)}

/* Certificates */
.cert-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;background:var(--pale-blue);
  border-radius:var(--radius-md);margin-bottom:12px;
}
.cert-item h4{font-size:14px;margin-bottom:4px}
.cert-item p{font-size:12px;color:var(--muted-text)}

/* ===== About Page — Cards & Layouts ===== */

/* Positioning card */
.positioning-card{
  background:var(--pale-blue);border:1px solid var(--border-light);
  border-radius:var(--radius-xl);padding:28px 24px;
}
.positioning-card p:last-child{margin-bottom:0}

/* Core Capabilities — 3-column card grid */
.cap-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:16px}
.cap-card{
  background:var(--bg-white);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:24px 20px;text-align:center;
  transition:all var(--transition-base);
}
.cap-card:hover{
  border-color:var(--brand-blue);box-shadow:var(--shadow-md);transform:translateY(-2px);
}

/* CSS icon shapes (replacing emojis) */
.cc-icon{
  width:48px;height:48px;border-radius:var(--radius-md);
  background:var(--pale-blue);display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;position:relative;
}
/* Focus icon — box shape */
.cc-icon--focus::before{
  content:'';width:22px;height:22px;border:3px solid var(--brand-blue);
  border-radius:3px;position:absolute;
}
.cc-icon--focus::after{
  content:'';width:8px;height:8px;background:var(--brand-blue);
  border-radius:1px;position:absolute;
}
/* Supply icon — stacked lines */
.cc-icon--supply::before{
  content:'';width:24px;height:4px;background:var(--brand-blue);
  border-radius:2px;position:absolute;top:14px;
}
.cc-icon--supply::after{
  content:'';width:24px;height:4px;background:var(--accent-blue);
  border-radius:2px;position:absolute;top:26px;opacity:.6;
}
/* Quality icon — checkmark */
.cc-icon--quality::before{
  content:'';position:absolute;width:14px;height:8px;
  border-left:3px solid var(--success);border-bottom:3px solid var(--success);
  transform:rotate(-45deg);top:16px;left:50%;
  margin-left:-7px;
}

.cap-card h4{font-size:15px;margin-bottom:6px}
.cap-card p{font-size:13px;color:var(--muted-text);line-height:1.6}

/* ===== Production & Quality — Flow Cards ===== */
.flow-cards{
  display:flex;align-items:center;gap:0;margin-top:16px;
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  padding:8px 0;
}
.flow-card{
  background:var(--bg-white);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:20px 16px;
  text-align:center;flex:1;min-width:140px;
  transition:all var(--transition-base);
}
.flow-card:hover{
  border-color:var(--brand-blue);box-shadow:var(--shadow-md);transform:translateY(-2px);
}
.flow-arrow{
  display:flex;align-items:center;justify-content:center;
  padding:0 4px;color:var(--accent-blue);font-size:18px;font-weight:700;
  flex-shrink:0;position:relative;
}
.flow-arrow::before{
  content:'';display:block;
  width:0;height:0;
  border-top:8px solid transparent;
  border-bottom:8px solid transparent;
  border-left:10px solid var(--accent-blue);
}

/* Flow card icons — CSS shapes */
.fc-icon{
  width:36px;height:36px;border-radius:var(--radius-md);
  background:var(--pale-blue);display:flex;align-items:center;justify-content:center;
  margin:0 auto 10px;position:relative;
}
/* Raw material — circle */
.fc-icon--raw::before{
  content:'';width:16px;height:16px;border-radius:50%;
  background:var(--brand-blue);opacity:.7;
}
/* Cast/film — horizontal bar */
.fc-icon--cast::before{
  content:'';width:20px;height:6px;border-radius:3px;
  background:var(--brand-blue);
}
/* Spec check — magnifier */
.fc-icon--spec::before{
  content:'';width:14px;height:14px;border:2px solid var(--brand-blue);
  border-radius:50%;
}
.fc-icon--spec::after{
  content:'';position:absolute;width:7px;height:2px;
  background:var(--brand-blue);transform:rotate(45deg);
  top:20px;right:6px;border-radius:1px;
}
/* Package — box outline */
.fc-icon--pack::before{
  content:'';width:18px;height:16px;border:2px solid var(--brand-blue);
  border-radius:2px;
}
/* Deliver — right arrow */
.fc-icon--deliver::before{
  content:'';width:0;height:0;
  border-top:7px solid transparent;
  border-bottom:7px solid transparent;
  border-left:10px solid var(--brand-blue);
  margin-left:2px;
}
/* Confirm — dot + line */
.fc-icon--confirm::before{
  content:'';width:6px;height:6px;border-radius:50%;
  background:var(--brand-blue);position:absolute;top:10px;left:8px;
}
.fc-icon--confirm::after{
  content:'';width:16px;height:2px;background:var(--brand-blue);
  border-radius:1px;position:absolute;top:13px;left:14px;
}
/* Batch — stacked cards */
.fc-icon--batch::before{
  content:'';width:18px;height:10px;border:2px solid var(--brand-blue);
  border-radius:2px;position:absolute;top:8px;
}
.fc-icon--batch::after{
  content:'';width:18px;height:10px;border:2px solid var(--accent-blue);
  border-radius:2px;position:absolute;top:14px;opacity:.5;
}
/* Test — checkmark */
.fc-icon--test::before{
  content:'';position:absolute;width:12px;height:7px;
  border-left:2.5px solid var(--success);border-bottom:2.5px solid var(--success);
  transform:rotate(-45deg);top:10px;left:50%;margin-left:-6px;
}
/* Feedback — left-right arrows */
.fc-icon--feedback::before{
  content:'';width:0;height:0;
  border-right:6px solid var(--brand-blue);
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
  position:absolute;left:6px;top:13px;
}
.fc-icon--feedback::after{
  content:'';width:0;height:0;
  border-left:6px solid var(--brand-blue);
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
  position:absolute;right:6px;top:13px;
}

.flow-card h4{font-size:14px;margin-bottom:4px}
.flow-card p{font-size:12px;color:var(--muted-text);line-height:1.5}

/* ===== Certificates Grid ===== */
.cert-grid-about{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:16px}
.cert-card-about{
  background:var(--bg-white);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:24px 20px;text-align:center;
  transition:all var(--transition-base);
}
.cert-card-about:hover{
  border-color:var(--brand-blue);box-shadow:var(--shadow-md);transform:translateY(-2px);
}

/* Cert icon CSS shapes */
.cca-icon{
  width:48px;height:48px;border-radius:var(--radius-md);
  background:var(--pale-blue);display:flex;align-items:center;justify-content:center;
  margin:0 auto 12px;position:relative;
}
/* License — rectangle with fold */
.cca-icon--license::before{
  content:'';width:20px;height:24px;border:2px solid var(--brand-blue);
  border-radius:2px;position:absolute;
}
.cca-icon--license::after{
  content:'';width:8px;height:6px;border-top:2px solid var(--brand-blue);
  border-right:2px solid var(--brand-blue);position:absolute;
  top:10px;right:8px;border-radius:0 2px 0 0;
}
/* RoHS — shield */
.cca-icon--rohs::before{
  content:'';width:20px;height:22px;
  border:2px solid var(--success);border-radius:10px 10px 2px 2px;
  position:absolute;
}
.cca-icon--rohs::after{
  content:'';width:10px;height:6px;
  border-left:2px solid var(--success);border-bottom:2px solid var(--success);
  transform:rotate(-45deg);position:absolute;top:14px;left:50%;
  margin-left:-5px;
}
/* Standard — doc with lines */
.cca-icon--standard::before{
  content:'';width:18px;height:22px;border:2px solid var(--brand-blue);
  border-radius:2px;position:absolute;
}
.cca-icon--standard::after{
  content:'';width:12px;height:2px;background:var(--brand-blue);
  border-radius:1px;position:absolute;top:14px;left:50%;margin-left:-6px;
  box-shadow:0 5px 0 var(--brand-blue),0 -5px 0 var(--brand-blue);
}

.cca-meta{font-size:11px;color:var(--muted-text);margin-bottom:8px;font-weight:500}
.cert-card-about h4{font-size:15px;margin-bottom:6px}
.cert-card-about p{font-size:13px;color:var(--body-text);line-height:1.6}

.cert-badge{
  display:inline-block;padding:4px 12px;border-radius:var(--radius-full);
  font-size:11px;font-weight:700;margin-top:10px;
}
.cert-badge.pass{background:var(--success-bg);color:var(--success)}

/* Highlight box */
.highlight-box{
  background:var(--warning-bg);border:1px solid #FDE68A;
  border-radius:var(--radius-md);padding:16px 20px;
  font-size:13px;color:var(--warning);line-height:1.7;margin-top:16px;
}

/* Disclaimer */
.disclaimer{
  font-size:12px;color:var(--muted-text);line-height:1.6;margin-top:12px;
}

/* Sidebar contact label */
.contact-label{
  display:inline-block;font-size:11px;color:var(--brand-blue);font-weight:600;
  width:32px;margin-right:4px;
  border-right:2px solid var(--border);
  padding-right:6px;
}

/* ================================================================
   RESPONSIVE — About page additions
   ================================================================ */

@media(max-width:1024px){
  .cap-cards{grid-template-columns:repeat(2,1fr)}
  .cert-grid-about{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
  .cap-cards{grid-template-columns:1fr}
  .cert-grid-about{grid-template-columns:1fr}
  .flow-cards{
    flex-direction:column;gap:0;
  }
  .flow-arrow{
    transform:rotate(90deg);padding:6px 0;
  }
  .flow-card{min-width:auto;width:100%}
}

/* Large tablets */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .scenario-grid{grid-template-columns:repeat(2,1fr)}
  .pain-grid,.sol-grid,.cust-grid{grid-template-columns:repeat(2,1fr)}
  .combo-grid{grid-template-columns:repeat(2,1fr)}
  .convert-grid{grid-template-columns:repeat(2,1fr)}
  .quality-grid{grid-template-columns:1fr}
  .about-home-preview{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .sidebar-layout{grid-template-columns:220px 1fr}
  .qcard-grid{grid-template-columns:repeat(2,1fr)}
  .page-banner-inner{grid-template-columns:1fr}
  .page-banner-visual{display:none}
  .quick-links-grid{grid-template-columns:repeat(2,1fr)}
  .faq-params{grid-template-columns:1fr}
}

/* Tablets / Large phones */
@media(max-width:768px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero{padding:120px 0 48px}
  .hero h1{font-size:28px}
  .section-title{font-size:24px}
  .hero-selling .sell-item{padding:12px 14px}
  .sell-icon{width:36px;height:36px;font-size:16px}

  .pain-grid,.sol-grid,.prod-grid,.scenario-grid,.cust-grid{grid-template-columns:1fr}
  .combo-grid{grid-template-columns:1fr 1fr}
  .quality-grid{grid-template-columns:1fr}
  .quality-stats{grid-template-columns:repeat(2,1fr)}
  .convert-grid{grid-template-columns:1fr 1fr}
  .convert-inner{padding:40px 22px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .contact-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .sidebar-layout{grid-template-columns:1fr}
  .sidebar{position:static;margin-bottom:24px}
  .about-home-stats{grid-template-columns:repeat(2,1fr)}
  .page-banner{padding:48px 0}
  .page-banner-content h1{font-size:28px}
  .qcard-grid{grid-template-columns:1fr}
  .form-section{padding:24px 20px}
  .quick-links-grid{grid-template-columns:1fr}
  .faq-params{grid-template-columns:1fr}
  .content-area{padding:24px var(--content-padding) 60px}
}

/* Small phones */
@media(max-width:480px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .convert-actions{flex-direction:column}
  .convert-actions .btn{width:100%}
  .combo-grid{grid-template-columns:1fr}
  .quality-stats{grid-template-columns:1fr}
  .prod-card-img{aspect-ratio:3/2}
}