/* ==========================================================================
   SOSSEN ENERGY (sossenpv.com) - B2B GLOBAL BRAND MASTER STYLE SYSTEM
   Engineered using Wideway Export Site Builder & B2B Global Brand Master Framework
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- SOSSEN Official Brand Design Tokens --- */
:root {
  /* SOSSEN Official Energy Red System */
  --sossen-red: #e70013;
  --sossen-red-hover: #c80010;
  --sossen-red-dark: #b71c22;
  --sossen-red-deep: #8b0c09;
  --sossen-red-light: #fff1f2;
  --sossen-red-tint: rgba(231, 0, 19, 0.08);
  --sossen-red-glow: rgba(231, 0, 19, 0.28);
  --sossen-red-gradient: linear-gradient(135deg, #e70013 0%, #b71c22 100%);

  /* Primary Tokens */
  --primary-color: #e70013;
  --primary-hover: #c80010;
  --primary-dark: #b71c22;
  --primary-deep: #8b0c09;
  --primary-light: #fff1f2;
  --primary-glow: rgba(231, 0, 19, 0.25);
  --primary-gradient: linear-gradient(135deg, #e70013 0%, #b71c22 100%);

  /* High-Tech Industrial Navy & Chassis Slate */
  --dark-navy: #0b1e36;
  --brand-navy: #0b1e36;
  --dark-slate: #0f172a;
  --dark-card: #132238;

  /* Solar Accents */
  --accent-color: #f59e0b;        /* Solar Photovoltaic Amber */
  --accent-hover: #d97706;
  --accent-light: #fef3c7;
  --accent-glow: rgba(245, 158, 11, 0.28);

  --emerald-color: #10b981;       /* Eco Grid Feed-in Green */
  --emerald-light: #d1fae5;

  --text-heading: #0f172a;
  --text-dark: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #e70013;

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --shadow-sm: 0 2px 4px rgba(11, 23, 40, 0.05);
  --shadow-md: 0 8px 16px rgba(11, 23, 40, 0.08);
  --shadow-lg: 0 16px 32px rgba(11, 23, 40, 0.12);
  --shadow-glow: 0 0 24px rgba(2, 132, 199, 0.25);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --container-width: 1240px;
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-heading);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-color);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
  backdrop-filter: blur(4px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.28);
  border-color: #fff;
  transform: translateY(-2px);
  color: #fff;
}

.btn-accent {
  background: var(--accent-color);
  color: #0b1728;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-accent:hover {
  background: var(--accent-hover);
  color: #0b1728;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-dark);
}
.btn-outline:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* ==========================================================================
   WIDEWAY-INSPIRED SOSSEN COMPACT 2-TIER SITE NAVIGATOR & BRAND SYSTEM
   Official Brand Color Visual System Layout - Sleek 84px Total Height
   ========================================================================== */

/* Skip Link for Accessibility (WCAG 2.2 AA) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--primary-color);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: 700;
  z-index: 100000;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
}

/* Overlay Backdrop for Navigation Compass & Mobile Drawer */
.compass-backdrop {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(11, 30, 54, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 9998;
  pointer-events: none;
}
.compass-backdrop.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Main Compact Header Container */
.site-header, header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background: #0b1e36;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.22);
  display: flex;
  flex-direction: column;
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled, header.scrolled {
  background: rgba(11, 30, 54, 0.98);
  box-shadow: 0 4px 22px rgba(0, 0, 0, 0.38);
  border-bottom: 2px solid var(--primary-color);
}

/* ==========================================================================
   TIER 1: ULTRA-COMPACT UTILITY & TRUST BAR (Height: 28px)
   ========================================================================== */
.header-top-bar {
  width: 100%;
  height: 28px;
  line-height: 28px;
  background: #071424;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-top-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1240px;
  padding: 0 20px;
  margin: 0 auto;
  box-sizing: border-box;
  height: 100%;
}

/* Left: Trust Signals & Global Logistics */
.header-top-left {
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

.top-trust-item {
  color: #94a3b8;
  font-size: 0.72rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.top-badge-dispatch {
  background: rgba(231, 0, 19, 0.15);
  border: 1px solid rgba(231, 0, 19, 0.35);
  color: #fca5a5;
  padding: 1px 7px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.70rem;
  line-height: 1.4;
  white-space: nowrap;
}

.top-sep {
  color: rgba(255, 255, 255, 0.18);
  font-size: 0.72rem;
}

/* Right: Direct Contact (Guaranteed No-Wrap) */
.header-top-right {
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

.top-contact-link {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.74rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap !important;
  font-variant-numeric: tabular-nums;
  transition: color 0.18s ease;
}

.top-contact-link:hover {
  color: #ffffff;
}

.top-contact-link.top-wa:hover {
  color: #25d366;
}

/* ==========================================================================
   TIER 2: MAIN BRAND NAVIGATION BAR (Height: 56px)
   ========================================================================== */
.header-main-bar {
  width: 100%;
  height: 56px;
  background: #0b1e36;
}

.header-main-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1240px;
  height: 100%;
  padding: 0 20px;
  margin: 0 auto;
  box-sizing: border-box;
}

/* Left: SOSSEN Official Brand Identity */
.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.header-brand img {
  height: 32px;
  width: auto;
  object-fit: contain;
  display: block;
}

.header-brand .brand-titles {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.15;
}

.header-brand .logo-main-text {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: 0.6px;
  font-size: 1.18rem;
  color: #ffffff;
  white-space: nowrap;
}

.header-brand .logo-main-text span {
  color: var(--primary-color);
}

.header-brand .logo-sub-text {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: #94a3b8;
  white-space: nowrap;
  text-transform: uppercase;
}

/* Center: Primary Navigation Menu Links */
.header-nav-menu {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  flex-shrink: 0;
}

.centered-nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.centered-nav-list .nav-item {
  position: relative;
  list-style: none;
}

.desktop-nav-link {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  transition: color 0.18s ease, background 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.desktop-nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.desktop-nav-link.active {
  color: #ffffff;
  background: rgba(231, 0, 19, 0.18);
  border-bottom: 2px solid var(--primary-color);
  font-weight: 700;
}

.nav-caret {
  font-size: 0.65rem;
  color: #94a3b8;
  transition: transform 0.2s ease, color 0.2s ease;
}

.nav-item:hover .nav-caret,
.nav-item.open .nav-caret {
  transform: rotate(180deg);
  color: #ffffff;
}

/* Subcategory Dropdowns */
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(11, 30, 54, 0.22);
  border: 1px solid #e2e8f0;
  padding: 12px;
  width: 520px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 10010;
}

.nav-item:hover .nav-dropdown-menu,
.nav-item.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu.dropdown-narrow {
  width: 360px;
}

.dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid #f1f5f9;
  font-weight: 700;
  font-size: 0.82rem;
  color: #0b1e36;
}

.dropdown-header .badge {
  background: #fff1f2;
  color: var(--primary-color);
  font-size: 0.70rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 9999px;
  border: 1px solid rgba(231, 0, 19, 0.2);
}

.dropdown-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.dropdown-grid.single-col {
  grid-template-columns: 1fr;
}

.dropdown-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px;
  border-radius: 8px;
  text-decoration: none;
  background: #f8fafc;
  border: 1px solid #f1f5f9;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.dropdown-card:hover {
  background: #fff1f2;
  border-color: #fecdd3;
  transform: translateY(-1px);
}

.dropdown-card.active {
  background: #fff1f2;
  border-color: var(--primary-color);
}

.dropdown-card .dropdown-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.dropdown-card-text {
  display: flex;
  flex-direction: column;
}

.dropdown-card .dropdown-title {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 2px;
}

.dropdown-card:hover .dropdown-title {
  color: var(--primary-color);
}

.dropdown-card .dropdown-desc {
  display: block;
  font-size: 0.70rem;
  color: #64748b;
  line-height: 1.35;
}

.dropdown-footer {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid #f1f5f9;
  text-align: center;
}

.dropdown-view-all {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.18s ease;
}
.dropdown-view-all:hover {
  color: var(--primary-hover);
}

/* Right: Action Group (SITEMAP Compass + Request Quote CTA) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-cta-quote {
  background: var(--primary-gradient) !important;
  border: 1px solid var(--primary-color) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  font-size: 0.78rem !important;
  height: 34px !important;
  padding: 0 16px !important;
  border-radius: 6px !important;
  text-decoration: none !important;
  box-shadow: 0 2px 10px rgba(231, 0, 19, 0.35) !important;
  white-space: nowrap !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease !important;
}

.header-cta-quote:hover {
  background: var(--primary-hover) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 14px rgba(231, 0, 19, 0.5) !important;
}

/* Interactive Navigation Compass / SITEMAP */
.compass-nav-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1003;
}

.compass-trigger {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  color: #ffffff !important;
  border-radius: 6px !important;
  height: 34px !important;
  padding: 0 12px 0 8px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  cursor: pointer !important;
  transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease !important;
}

.compass-trigger:hover,
.compass-trigger:focus-visible {
  background: rgba(255, 255, 255, 0.16) !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 12px rgba(231, 0, 19, 0.3) !important;
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.compass-dial {
  width: 20px !important;
  height: 20px !important;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compass-dial-ring {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px dashed rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: compassRotate 20s linear infinite;
}

.compass-needle {
  width: 3px;
  height: 14px;
  background: var(--primary-color);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  position: absolute;
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
  transform: rotate(45deg);
}

.compass-center {
  width: 4px;
  height: 4px;
  background: #ffffff;
  border-radius: 50%;
  position: absolute;
  z-index: 2;
}

.compass-nav-container.active .compass-needle,
.compass-nav-container:hover .compass-needle {
  transform: rotate(225deg);
}

.sitemap-text {
  color: #ffffff !important;
  font-weight: 700 !important;
  font-size: 0.74rem !important;
  letter-spacing: 0.5px !important;
}

.sitemap-arrow {
  color: #ffffff !important;
  font-size: 0.70rem !important;
  transition: transform 0.25s ease;
}

.compass-nav-container.active .sitemap-arrow,
.compass-nav-container:hover .sitemap-arrow {
  transform: rotate(180deg);
}

@keyframes compassRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Hamburger Icon for Mobile */
.hamburger-icon {
  width: 20px;
  height: 14px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.hamburger-icon span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #ffffff;
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.compass-nav-container.active .hamburger-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
  background-color: var(--primary-color);
}
.compass-nav-container.active .hamburger-icon span:nth-child(2) {
  opacity: 0;
}
.compass-nav-container.active .hamburger-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  background-color: var(--primary-color);
}

/* SITEMAP Mega-Menu Modal (Centered Viewport Modal) */
.compass-menu {
  position: fixed !important;
  top: 88px !important;
  left: 50% !important;
  right: auto !important;
  transform: translateX(-50%) translateY(-10px) !important;
  width: 720px !important;
  max-width: calc(100vw - 32px) !important;
  max-height: calc(100vh - 100px) !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(11, 30, 54, 0.35);
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
  z-index: 10005;
  box-sizing: border-box !important;
}

.compass-nav-container.active .compass-menu {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateX(-50%) translateY(0) !important;
  pointer-events: auto !important;
}

.compass-menu-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 6px 10px 6px;
  border-bottom: 1px solid #f1f5f9;
  margin-bottom: 4px;
}

.compass-menu-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: #0b1e36;
  font-size: 0.90rem;
}

.compass-menu-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #64748b;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
  line-height: 1;
}

.compass-menu-close:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
  transform: scale(1.08);
}

.compass-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px 6px;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid #edf2f7;
  text-decoration: none;
  color: #0f2b48;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.compass-item:hover {
  background: #0b1e36;
  border-color: #0b1e36;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(11, 30, 54, 0.15);
}

.compass-item:hover .item-label {
  color: #ffffff !important;
}

.compass-item:hover .item-icon {
  transform: scale(1.1);
}

.compass-item.active {
  background: #fff1f2;
  border-color: var(--primary-color);
}

.compass-item.active .item-label {
  color: var(--primary-color);
  font-weight: 700;
}

.compass-item .item-icon {
  font-size: 1.3rem;
  line-height: 1;
  transition: transform 0.18s ease;
}

.compass-item .item-label {
  font-size: 0.80rem;
  font-weight: 600;
  color: #334155;
  white-space: nowrap;
  transition: color 0.18s ease;
}

/* Responsive Classes */
.pc-only {
  display: flex !important;
}
.mobile-only {
  display: none !important;
}

@media (max-width: 1140px) {
  .header-main-container {
    padding: 0 14px;
  }
  .desktop-nav-link {
    font-size: 0.80rem;
    padding: 6px 8px;
  }
  .centered-nav-list {
    gap: 2px;
  }
}

@media (max-width: 1024px) {
  .header-nav-menu {
    display: none !important;
  }
  .pc-only {
    display: none !important;
  }
  .mobile-only {
    display: flex !important;
  }
  .compass-menu {
    top: 64px !important;
    grid-template-columns: repeat(3, 1fr) !important;
    width: calc(100vw - 24px) !important;
    max-width: 500px !important;
  }
}

@media (max-width: 768px) {
  .header-top-bar {
    height: 24px;
    line-height: 24px;
  }
  .header-main-bar {
    height: 50px;
  }
  .header-brand img {
    height: 26px;
  }
  .header-brand .logo-main-text {
    font-size: 1.02rem;
  }
  .compass-menu {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 8px !important;
    padding: 10px !important;
  }
  .compass-item {
    padding: 8px 4px !important;
  }
  .compass-item .item-icon {
    font-size: 1.15rem !important;
  }
  .compass-item .item-label {
    font-size: 0.72rem !important;
  }
}

/* ==========================================================================
   HIGH-IMPACT HERO BANNER (VIDEO + 3 SLIDES MODE)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 680px;
  background: #0b1728 url('../images/banner_video_poster.jpg') no-repeat center center/cover;
  display: flex;
  align-items: center;
  color: #ffffff;
  overflow: hidden;
  padding: 90px 0 80px 0;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  transition: opacity 0.5s ease;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(11, 23, 40, 0.90) 0%, rgba(11, 23, 40, 0.72) 55%, rgba(11, 23, 40, 0.45) 100%);
  z-index: 2;
  pointer-events: none;
}

/* 3-Banner Carousel Slides Container */
.hero-slider-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: none; /* activated when banner mode is toggled */
}
.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Content Area */
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(2, 132, 199, 0.92);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 22px;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}
.hero-badge.badge-solar {
  background: rgba(245, 158, 11, 0.95);
  color: #0b1728;
}
.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: #ffffff;
  letter-spacing: -0.5px;
}
.hero-title span {
  color: #38bdf8;
  display: block;
}
.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.6;
  color: #e2e8f0;
  margin-bottom: 32px;
  max-width: 720px;
}
.hero-subtitle strong {
  color: #fff;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Control Dock (Mode Switcher + Sound Toggle + Banner Tabs) */
.hero-dock {
  position: absolute;
  bottom: 25px;
  left: 0;
  width: 100%;
  z-index: 10;
}
.hero-dock-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* 3-Banner Tab Selectors */
.hero-banner-tabs {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(11, 23, 40, 0.75);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.banner-tab-item {
  background: transparent;
  border: none;
  color: #cbd5e1;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.banner-tab-item:hover {
  color: #fff;
}
.banner-tab-item.active {
  background: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 2px 8px var(--primary-glow);
}

/* Floating Controls (Video Sound & Mode) */
.hero-control-group {
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-dock-btn {
  background: rgba(11, 23, 40, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  border-radius: 30px;
  padding: 8px 16px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-dock-btn:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
}
.hero-video-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  padding: 0;
  justify-content: center;
}

/* ==========================================================================
   STATISTICS BAR (.stats-banner)
   ========================================================================== */
.stats-banner {
  background: linear-gradient(135deg, #0b1e36 0%, #172a45 100%);
  border-top: 2px solid var(--primary-color);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #ffffff;
  padding: 28px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0 12px;
}
.stat-item:last-child {
  border-right: none;
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 4px;
}
.stat-number span {
  color: #f87171;
}
.stat-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  color: #cbd5e1;
}

/* ==========================================================================
   RADAR MATRIX & 4-ROLE JTBD SECTION
   ========================================================================== */
.section {
  padding: 75px 0;
}
.section-alt {
  background-color: var(--bg-light);
}
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px auto;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--primary-color);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.25;
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 4-Role Grid */
.jtbd-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.jtbd-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 26px 22px;
  transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}
.jtbd-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}
.jtbd-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.jtbd-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}
.jtbd-concern {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 12px;
}
.jtbd-solution {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
  flex-grow: 1;
}
.jtbd-proof {
  font-size: 0.78rem;
  font-weight: 600;
  color: #047857;
  background: #ecfdf5;
  padding: 6px 10px;
  border-radius: 4px;
  border-left: 3px solid #10b981;
}

/* ==========================================================================
   PRODUCT FILTER MATRIX & B2B SKU CARDS
   ========================================================================== */
.product-filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 35px;
  flex-wrap: wrap;
}
.filter-btn {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: #475569;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: 30px;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.product-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}
.product-thumb-wrap {
  position: relative;
  background: #f1f5f9;
  padding: 24px;
  text-align: center;
  overflow: hidden;
}
.product-thumb {
  max-height: 220px;
  width: auto;
  margin: 0 auto;
  transition: transform 0.3s ease;
}
.product-card:hover .product-thumb {
  transform: scale(1.05);
}
.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--primary-color);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.product-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.product-model {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.product-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
  line-height: 1.35;
}
.product-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-bottom: 18px;
}
.product-spec-table tr {
  border-bottom: 1px solid #f1f5f9;
}
.product-spec-table td {
  padding: 6px 0;
  color: #64748b;
}
.product-spec-table td:last-child {
  text-align: right;
  font-weight: 600;
  color: #0f172a;
}
.product-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
}
.product-actions .btn {
  flex: 1;
  padding: 9px 12px;
  font-size: 0.84rem;
}

/* ==========================================================================
   VIDEO CENTER SECTION
   ========================================================================== */
.video-section {
  background: #0b1728;
  color: #ffffff;
  padding: 80px 0;
}
.video-section .section-title {
  color: #ffffff;
}
.video-section .section-subtitle {
  color: #94a3b8;
}
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.video-card {
  background: #132238;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}
.video-player-wrap {
  position: relative;
  width: 100%;
  background: #000;
}
.video-player-wrap video {
  width: 100%;
  height: auto;
  display: block;
}
.video-info {
  padding: 18px 20px;
}
.video-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: #38bdf8;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.video-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}
.video-desc {
  font-size: 0.86rem;
  color: #94a3b8;
  line-height: 1.5;
}

/* ==========================================================================
   CONTAINER CALCULATOR & RFQ SECTION
   ========================================================================== */
.calc-rfq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.calc-card, .rfq-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: var(--shadow-sm);
}
.card-header-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}
.calc-result-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 16px;
  margin-top: 18px;
}
.calc-stat-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed #dcfce7;
  font-size: 0.88rem;
}
.calc-stat-row:last-child {
  border-bottom: none;
}

/* RFQ Form */
.form-group {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}
.form-control:focus, .form-control:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #0b1e36;
  color: #cbd5e1;
  padding: 70px 0 30px 0;
  border-top: 4px solid var(--primary-color);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}
.footer-logo span {
  color: var(--primary-color);
}
.footer-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 20px;
  max-width: 360px;
}
.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 0.88rem;
  color: #94a3b8;
}
.footer-links a:hover {
  color: #38bdf8;
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #64748b;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .jtbd-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .calc-rfq-grid {
    grid-template-columns: 1fr;
  }
  .video-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-top-bar {
    display: none;
  }
  .main-nav {
    display: none; /* Mobile drawer handled by js */
  }
  .hero {
    min-height: 540px;
    padding: 60px 0 60px 0;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .jtbd-grid {
    grid-template-columns: 1fr;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-dock-container {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* ==========================================================================
   SOSSEN DUAL FLOATING LIVE CHAT DOCK (WhatsApp & WeChat)
   Official Brand Vector Logos & High-Conversion B2B Interactions
   Phone / ID: 008613806020631 (+86 13806020631)
   ========================================================================== */
.sossen-floating-chat-dock {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
  pointer-events: none;
}

.sossen-chat-pill {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 50px;
  padding: 8px 18px 8px 8px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.22), 0 2px 6px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease;
  text-decoration: none;
  border: none;
  font-family: inherit;
}

.sossen-chat-pill:focus-visible {
  outline: 2px solid #38bdf8;
  outline-offset: 2px;
}

.sossen-chat-pill:hover {
  transform: translateY(-3px) scale(1.03);
}

.sossen-chat-pill.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
}

.sossen-chat-pill.btn-whatsapp:hover {
  background: linear-gradient(135deg, #22bf5b 0%, #0e7266 100%);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.45), 0 4px 10px rgba(0, 0, 0, 0.15);
}

.sossen-chat-pill.btn-wechat {
  background: linear-gradient(135deg, #07c160 0%, #059648 100%);
  color: #ffffff;
}

.sossen-chat-pill.btn-wechat:hover {
  background: linear-gradient(135deg, #06ad56 0%, #047d3c 100%);
  box-shadow: 0 12px 30px rgba(7, 193, 96, 0.45), 0 4px 10px rgba(0, 0, 0, 0.15);
}

.chat-icon-bubble {
  position: relative;
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-live-beacon {
  position: absolute;
  top: 1px;
  right: 1px;
  width: 10px;
  height: 10px;
  background-color: #a7f3d0;
  border: 2px solid #ffffff;
  border-radius: 50%;
  animation: sossenChatBeacon 1.8s infinite;
}

@keyframes sossenChatBeacon {
  0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(167, 243, 208, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(167, 243, 208, 0); }
  100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(167, 243, 208, 0); }
}

.chat-pill-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.25;
}

.chat-pill-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.3px;
}

.chat-pill-sub {
  font-size: 0.75rem;
  color: #d1fae5;
  display: flex;
  align-items: center;
  gap: 4px;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background: #a7f3d0;
  border-radius: 50%;
  display: inline-block;
}

/* WeChat Modal Dialog */
.sossen-wechat-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 16px;
}

.sossen-wechat-modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.sossen-wechat-modal-card {
  background: #ffffff;
  border-radius: 16px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 24px 60px -10px rgba(15, 23, 42, 0.35), 0 8px 24px rgba(0, 0, 0, 0.12);
  overflow: hidden;
  border: 1px solid #e2e8f0;
  transform: translateY(12px) scale(0.94);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.sossen-wechat-modal-backdrop.active .sossen-wechat-modal-card {
  transform: translateY(0) scale(1);
}

.wechat-modal-header {
  background: linear-gradient(135deg, #07c160 0%, #047d3c 100%);
  color: #ffffff;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wechat-header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wechat-header-icon-wrap {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.wechat-header-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  color: #ffffff;
  line-height: 1.3;
}

.wechat-header-subtitle {
  font-size: 0.75rem;
  color: #d1fae5;
  margin: 0;
}

.wechat-modal-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #ffffff;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background 0.2s;
}

.wechat-modal-close:hover {
  background: rgba(255, 255, 255, 0.35);
}

.wechat-modal-body {
  padding: 18px 20px;
}

.wechat-rep-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
}

.rep-avatar-circle {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.rep-details {
  flex: 1;
}

.rep-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.2;
}

.rep-name-row strong {
  font-size: 0.88rem;
  color: #0f172a;
}

.rep-verified-badge {
  background: #dcfce7;
  color: #15803d;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
}

.rep-title {
  font-size: 0.75rem;
  color: #64748b;
  margin: 2px 0 0 0;
}

.rep-status {
  font-size: 0.72rem;
  color: #059669;
  margin: 2px 0 0 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.rep-status .pulse-dot {
  background: #10b981;
}

.wechat-qr-wrapper {
  text-align: center;
  background: #ffffff;
  border: 1px dashed #cbd5e1;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
}

.wechat-qr-img {
  width: 170px;
  height: 170px;
  display: block;
  margin: 0 auto 8px auto;
  border-radius: 6px;
  border: 1px solid #f1f5f9;
}

.wechat-qr-caption {
  font-size: 0.75rem;
  color: #64748b;
  margin: 0;
}

.wechat-id-box {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 12px 14px;
  text-align: center;
  margin-bottom: 14px;
}

.wechat-id-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #64748b;
  margin-bottom: 2px;
}

.wechat-id-number {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.btn-copy-wechat {
  width: 100%;
  background: #07c160;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn-copy-wechat:hover {
  background: #059648;
}

.btn-copy-wechat.copied {
  background: #0f172a;
  color: #38bdf8;
}

.wechat-alt-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.alt-action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: #334155;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 7px 10px;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  text-align: center;
}

.alt-action-link:hover {
  background: #f1f5f9;
  color: #0284c7;
  border-color: #cbd5e1;
}

.wechat-modal-footer {
  background: #f8fafc;
  border-top: 1px solid #f1f5f9;
  padding: 8px 16px;
  font-size: 0.72rem;
  color: #64748b;
  text-align: center;
}

@media (max-width: 768px) {
  .sossen-floating-chat-dock {
    bottom: 16px;
    right: 14px;
    gap: 8px;
  }
  .sossen-chat-pill {
    padding: 6px 14px 6px 6px;
  }
  .chat-icon-bubble {
    width: 32px;
    height: 32px;
  }
  .chat-icon-bubble svg {
    width: 18px;
    height: 18px;
  }
  .chat-pill-title {
    font-size: 0.82rem;
  }
  .chat-pill-sub {
    font-size: 0.68rem;
  }
}


/* ==========================================================================
   SOSSEN EXPANDED 100-PAGE ARCHITECTURE STYLES (DETAIL, RADAR & SIDEBAR)
   ========================================================================== */

.detail-page-hero {
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  padding: 2.5rem 1.5rem;
}

.detail-page-hero .container {
  max-width: 1200px;
  margin: 0 auto;
}

.breadcrumb-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #64748b;
  margin-bottom: 1.25rem;
}

.breadcrumb-nav a {
  color: #008080;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.breadcrumb-nav a:hover {
  color: #005f5f;
  text-decoration: underline;
}

.breadcrumb-sep {
  color: #cbd5e1;
}

.breadcrumb-current {
  color: #334155;
  font-weight: 600;
}

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(0, 128, 128, 0.1);
  color: #008080;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.trust-pill-alt {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #f1f5f9;
  color: #475569;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.page-main-h1 {
  font-size: 2rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.25;
  margin-bottom: 0.85rem;
}

.page-lead-summary {
  font-size: 1.05rem;
  line-height: 1.6;
  color: #475569;
  max-width: 900px;
  margin-bottom: 1.25rem;
}

.hero-quick-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.quick-spec-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: #334155;
}

/* Detail Main Layout Grid */
.detail-content-section {
  padding: 3rem 1.5rem;
}

.detail-layout-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.detail-main-col {
  min-width: 0;
}

.detail-sidebar-col {
  min-width: 0;
}

/* Content Headings & Prose */
.content-h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: #0f172a;
  margin-top: 2rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.content-h2:first-of-type {
  margin-top: 0;
}

.content-prose {
  font-size: 0.96rem;
  line-height: 1.7;
  color: #334155;
  margin-bottom: 1.5rem;
}

/* Specs Table Wrap */
.specs-table-container {
  overflow-x: auto;
  margin: 1.5rem 0 2.5rem 0;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.clean-specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

.clean-specs-table th {
  background: #f1f5f9;
  color: #1e293b;
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 2px solid #cbd5e1;
}

.clean-specs-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #f1f5f9;
  color: #334155;
  line-height: 1.5;
}

.clean-specs-table tr:nth-child(even) {
  background: #f8fafc;
}

.clean-specs-table tr:hover {
  background: #f1f5f9;
}

.spec-val-badge {
  display: inline-block;
  background: #e6f4f4;
  color: #008080;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

/* Radar Cards: B2B Wholesale & B2C Experience */
.radar-card-wrap {
  margin: 2rem 0;
}

.radar-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.75rem;
  margin-bottom: 1.75rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.radar-box-b2b {
  border-left: 5px solid #008080;
}

.radar-box-b2c {
  border-left: 5px solid #f39c12;
}

.radar-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}

.radar-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.radar-icon-b2b {
  background: rgba(0, 128, 128, 0.12);
  color: #008080;
}

.radar-icon-b2c {
  background: rgba(243, 156, 18, 0.12);
  color: #f39c12;
}

.radar-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f172a;
}

.radar-body-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #475569;
}

/* Accordion FAQ */
.faq-wrap {
  margin: 2rem 0;
}

.faq-accordion-item {
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  margin-bottom: 0.85rem;
  background: #ffffff;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-accordion-item[open] {
  border-color: #008080;
  box-shadow: 0 2px 8px rgba(0, 128, 128, 0.08);
}

.faq-accordion-summary {
  padding: 14px 18px;
  font-weight: 700;
  color: #1e293b;
  cursor: pointer;
}

.faq-accordion-summary:focus-visible {
  outline: 2px solid #008080;
  outline-offset: 2px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

.faq-accordion-summary::-webkit-details-marker {
  display: none;
}

.faq-accordion-summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: #008080;
}

.faq-accordion-item[open] .faq-accordion-summary::after {
  content: "−";
}

.faq-accordion-content {
  padding: 0 18px 16px 18px;
  font-size: 0.92rem;
  line-height: 1.65;
  color: #475569;
  border-top: 1px solid #f1f5f9;
  padding-top: 12px;
}

/* Sidebar Styling */
.sidebar-sticky-wrap {
  position: -webkit-sticky;
  position: sticky;
  top: 100px;
}

.sidebar-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.75rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
}

.sidebar-box-title {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-data-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sidebar-data-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.84rem;
  gap: 0.5rem;
}

.sidebar-data-label {
  color: #64748b;
  font-weight: 500;
}

.sidebar-data-val {
  font-weight: 700;
  color: #1e293b;
  text-align: right;
}

.sidebar-link-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  text-decoration: none;
  color: #334155;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  margin-bottom: 0.5rem;
}

.sidebar-link-btn:last-child {
  margin-bottom: 0;
}

.sidebar-link-btn:hover {
  background: #e6f4f4;
  border-color: #008080;
  color: #008080;
}

.sidebar-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  text-align: center;
  transition: background 0.2s ease, transform 0.1s ease;
  cursor: pointer;
  box-sizing: border-box;
}

.btn-primary-teal {
  background: #008080;
  color: #ffffff;
  border: none;
}

.btn-primary-teal:hover {
  background: #006666;
}

.btn-secondary-wa {
  background: #25d366;
  color: #ffffff;
  border: none;
  margin-top: 0.75rem;
}

.btn-secondary-wa:hover {
  background: #20bd5a;
}

/* Bottom CTA Banner */
.bottom-cta-strip {
  background: linear-gradient(135deg, #008080 0%, #005555 100%);
  color: #ffffff;
  padding: 3.5rem 1.5rem;
  border-radius: 16px;
  text-align: center;
  margin: 3.5rem auto 1rem auto;
  max-width: 1200px;
  box-shadow: 0 10px 25px -5px rgba(0, 128, 128, 0.25);
}

.bottom-cta-strip h3 {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.bottom-cta-strip p {
  font-size: 1.05rem;
  color: #e0f2f1;
  max-width: 700px;
  margin: 0 auto 1.75rem auto;
  line-height: 1.6;
}

.bottom-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #f39c12;
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.1s ease;
  box-shadow: 0 4px 12px rgba(243, 156, 18, 0.3);
}

.bottom-cta-btn:hover {
  background: #d68910;
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .detail-layout-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .sidebar-sticky-wrap {
    position: static;
  }
  .page-main-h1 {
    font-size: 1.6rem;
  }
}