/* ============================================================
   style.css — Custom Acrylic Lightstick Manufacturer
   内联 <style> 提取 → 本地静态化 + 最小字体放大
   ============================================================ */

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

body {
  font-family: 'Inter', sans-serif;
  background: #000;
  color: #fff;
  scroll-behavior: smooth;
  overflow-x: hidden;
  line-height: 1.9;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  text-transform: uppercase;
}

:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-surface: #111111;
  --bg-card: #141414;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent-indigo: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-indigo-hover: #4f46e5;
  --accent-cyan-hover: #0891b2;
  --border-subtle: #1e1e1e;
  --border-medium: #2a2a2a;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

/* ====== Navigation ====== */
.nav-bg {
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 60px;
  padding: 0.6rem 2rem;
}

nav {
  position: fixed;
  top: 6px;
  left: 6px;
  right: 6px;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
}

.nav-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo img { height: 32px; width: auto; }

.nav-logo span {
  font-size: 10px;         /* 9px → 10px */
  text-transform: uppercase;
  letter-spacing: 0.5em;
  color: rgba(255,255,255,0.7);
}

.nav-logo span strong { color: rgba(255,255,255,0.9); }

.nav-links { display: flex; gap: 28px; list-style: none; }

.nav-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 10px;         /* 9px → 10px */
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent-indigo); }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #fff;
  border-radius: 2px;
}

/* ====== Hero ====== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 24px 80px;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.92) 30%, rgba(0,0,0,0.6) 60%, rgba(0,0,0,0.85) 100%);
  z-index: 1;
}

.hero-glow-1 {
  position: absolute;
  top: 20%;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99,102,241,0.12) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: 10%;
  right: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.2);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 12px;          /* 11px → 12px */
  font-weight: 500;
  color: var(--accent-indigo);
  margin-bottom: 28px;
  letter-spacing: 0.3px;
  font-family: 'Space Grotesk', sans-serif;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--text-secondary);
  line-height: 1.9;
  max-width: 680px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-indigo);
  color: #fff;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: 'Space Grotesk', sans-serif;
}

.btn-primary:hover {
  background: var(--accent-indigo-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.25);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  padding: 16px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border-medium);
  transition: all 0.25s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: 'Space Grotesk', sans-serif;
}

.btn-secondary:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

/* ====== Breadcrumb ====== */
.breadcrumb-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 24px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;          /* 12px → 13px */
  color: var(--text-muted);
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb li { display: flex; align-items: center; gap: 8px; }

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb .sep { color: var(--border-medium); }
.breadcrumb .current { color: var(--text-secondary); }

/* ====== Sections General ====== */
.section {
  padding: 100px 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.section-header { max-width: 720px; margin-bottom: 60px; }

.section-tag {
  display: inline-block;
  font-size: 12px;          /* 11px → 12px */
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-indigo);
  margin-bottom: 16px;
  font-family: 'Space Grotesk', sans-serif;
}

.section h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.section h2 em { font-style: normal; color: var(--accent-cyan); }

.section-lead {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ====== Alternating Content Blocks ====== */
.content-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 60px;
}

.content-block:first-child { margin-top: 0; }
.content-block.reverse { direction: rtl; }
.content-block.reverse > * { direction: ltr; }

.content-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface);
  aspect-ratio: 4 / 3;
}

.content-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.content-text h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.3px;
  color: var(--text-primary);
}

.content-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.content-text .causal {
  display: block;
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(99,102,241,0.05);
  border-left: 2px solid var(--accent-indigo);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px;          /* 14px → 15px */
  color: var(--text-muted);
  line-height: 1.7;
}

/* ====== Process Timeline ====== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  position: relative;
}

.process-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(99,102,241,0.12);
  color: var(--accent-indigo);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.process-step h3 {
  font-size: 14px;          /* 13px → 14px */
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}

.process-step p {
  font-size: 14px;          /* 13px → 14px */
  color: var(--text-muted);
  line-height: 1.7;
}

/* ====== Product Cards ====== */
.product-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s;
}

.product-card:hover {
  border-color: rgba(99,102,241,0.2);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(99,102,241,0.08);
}

.product-img { width: 100%; aspect-ratio: 1; background: var(--bg-surface); overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; }

.product-body { padding: 20px; }

.product-body h3 {
  font-size: 15px;          /* 14px → 15px */
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.2px;
}

.product-body p {
  font-size: 15px;          /* 14px → 15px */
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  text-transform: none;
}

.product-link {
  display: inline-block;
  font-size: 14px;          /* 13px → 14px */
  font-weight: 600;
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: 'Space Grotesk', sans-serif;
}

.product-link:hover { color: var(--accent-cyan-hover); }

.product-note {
  display: block;
  font-size: 13px;          /* 12px → 13px */
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 6px;
  font-weight: 400;
}

/* ====== Specification Table ====== */
.specs-table { width: 100%; border-collapse: collapse; margin-top: 20px; }

.specs-table th, .specs-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 16px;
}

.specs-table th {
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-surface);
  font-size: 14px;          /* 13px → 14px */
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: 'Space Grotesk', sans-serif;
}

.specs-table td { color: var(--text-secondary); }
.specs-table tr:hover td { background: rgba(99,102,241,0.02); }

/* ====== Gallery ====== */
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--bg-surface);
}

.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 20px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
}

.gallery-caption p {
  font-size: 15px;          /* 14px → 15px */
  font-weight: 500;
  color: var(--text-primary);
  text-transform: none;
  font-family: 'Inter', sans-serif;
}

.gallery-caption span {
  display: block;
  font-size: 14px;          /* 13px → 14px */
  color: var(--text-muted);
  margin-top: 2px;
}

/* ====== DDP ====== */
.ddp-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.ddp-content h3 { font-size: 20px; font-weight: 700; margin-bottom: 20px; letter-spacing: 0.3px; }

.ddp-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
  text-transform: none;
}

.ddp-list { list-style: none; }

.ddp-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 15px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.ddp-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ====== FAQ ====== */
.faq-list { max-width: 800px; }

.faq-item { border-bottom: 1px solid var(--border-subtle); padding: 20px 0; }

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 0;
  text-align: left;
  gap: 16px;
  font-family: 'Space Grotesk', sans-serif;
  text-transform: none;
}

.faq-question::after {
  content: "+";
  font-size: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.3s;
}

.faq-item.open .faq-question::after { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 32px 0 0;
}

.faq-item.open .faq-answer { max-height: 600px; padding-top: 16px; }

.faq-answer p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ====== Form ====== */
.stat-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.border-glow {
  border: 1px solid rgba(99, 102, 241, 0.15);
  transition: border-color 0.4s ease;
}

.border-glow:hover { border-color: rgba(99, 102, 241, 0.4); }

.text-gradient {
  background: linear-gradient(135deg, #a5b4fc, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#hubspot-form-container .hs-form { display: flex; flex-direction: column; gap: 1.2rem; }

#hubspot-form-container .hs-form label {
  color: #94a3b8;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

#hubspot-form-container .hs-form input,
#hubspot-form-container .hs-form textarea,
#hubspot-form-container .hs-form select {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 0.9rem 1.2rem;
  color: #f1f5f9;
  font-size: 0.95rem;
  width: 100% !important;
  outline: none;
  transition: border 0.25s ease;
}

#hubspot-form-container .hs-form input:focus,
#hubspot-form-container .hs-form textarea:focus,
#hubspot-form-container .hs-form select:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

#hubspot-form-container .hs-form .hs-button {
  background: #6366f1;
  border: none;
  border-radius: 40px;
  padding: 1rem 2.4rem;
  font-weight: 600;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  width: auto;
  align-self: flex-start;
}

#hubspot-form-container .hs-form .hs-button:hover {
  background: #4f46e5;
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.25);
  transform: scale(1.02);
}

#hubspot-form-container .hs-form .hs-error-msgs {
  color: #f87171;
  font-size: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0 0;
}

#hubspot-form-container .hs-form .hs-error-msgs li { padding-left: 0; }

#hubspot-form-container .hs-form .legal-consent-container {
  font-size: 0.75rem;
  color: #64748b;
  line-height: 1.5;
}

#hubspot-form-container .hs-form .legal-consent-container a {
  color: #818cf8;
  text-decoration: underline;
}

.form-section { padding: 100px 24px; position: relative; }

.form-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(99,102,241,0.06), transparent);
  pointer-events: none;
}

.form-inner-wrap {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.form-header { text-align: center; margin-bottom: 48px; }

.form-header h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  margin-bottom: 16px;
}

.form-header p {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

/* ====== Footer ====== */
.footer { border-top: 1px solid rgba(255,255,255,0.05); background: #000; }

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 96px 24px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  text-align: left;
}

.footer h5 {
  color: #fff;
  font-weight: 700;
  margin-bottom: 32px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 12px;          /* 11px → 12px */
}

.footer p { text-transform: none; font-family: 'Inter', sans-serif; }

.footer-address p { color: var(--text-muted); font-size: 15px; line-height: 1.8; font-weight: 300; }

.footer-contact { text-align: left; }

.footer-contact p { color: var(--text-secondary); font-size: 15px; margin-bottom: 16px; }

.footer-contact a {
  color: #fff;
  text-decoration: none;
  transition: color 0.2s;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.footer-contact a:hover { color: var(--accent-indigo); }

.footer-contact .label { color: var(--text-muted); font-weight: 400; margin-right: 8px; }

.footer-bottom {
  max-width: 1280px;
  margin: 96px auto 0;
  padding: 48px 24px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 9px;           /* 8px → 9px */
  text-transform: uppercase;
  letter-spacing: 0.8em;
  color: rgba(255,255,255,0.04);
}

/* ====== WhatsApp Float ====== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  transition: all 0.3s;
  text-decoration: none;
}

.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4); }
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* ====== GEO Cards ====== */
.geo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }

.geo-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all 0.3s;
}

.geo-card:hover { border-color: rgba(99,102,241,0.2); transform: translateY(-2px); }

.geo-card .icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(99,102,241,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent-indigo);
  font-weight: 700;
  font-size: 14px;
  font-family: 'Space Grotesk', sans-serif;
}

.geo-card h3 {
  font-size: 15px;          /* 14px → 15px */
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}

.geo-card p {
  font-size: 15px;          /* 14px → 15px */
  color: var(--text-secondary);
  line-height: 1.8;
  text-transform: none;
}

/* ====== Responsive ====== */
@media (max-width: 1024px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .product-row { grid-template-columns: repeat(2, 1fr); }
  .geo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: flex; }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 20px;
    align-items: center;
    border-radius: 20px;
    border: 1px solid var(--border-subtle);
  }

  .nav-bg { border-radius: 40px; padding: 0.5rem 1.2rem; }
  .hero { min-height: 90vh; padding: 120px 20px 60px; }
  .content-block { grid-template-columns: 1fr; gap: 24px; }
  .content-block.reverse { direction: ltr; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .product-row { grid-template-columns: 1fr 1fr; gap: 12px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .geo-grid { grid-template-columns: 1fr; }
  .ddp-wrap { grid-template-columns: 1fr; padding: 28px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .section { padding: 60px 20px; }
  .form-section { padding: 60px 20px; }
  .footer-bottom { margin-top: 48px; padding: 32px 20px; }
  .specs-table { font-size: 13px; display: block; overflow-x: auto; }
}

@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
  .product-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
  .hero-cta { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}