/* ============================================
   糖可可礼品 - 毛绒玩具工厂官网样式
   ============================================ */

/* ===== CSS Variables ===== */
:root {
  --color-primary: #FF8FB1;
  --color-primary-dark: #F06A94;
  --color-primary-light: #FFB6CD;
  --color-secondary: #FFD6A5;
  --color-secondary-dark: #F5BC7A;
  --color-accent: #B8E0D2;
  --color-accent-2: #D4B5E8;
  --color-accent-light: #D4EFDF;

  --color-bg: #FFF7F0;
  --color-bg-alt: #FFF0E6;
  --color-bg-card: #FFFFFF;
  --color-bg-soft: #FFF0F3;

  --color-text: #3D2C1E;
  --color-text-light: #6B5746;
  --color-text-muted: #9A8A7A;
  --color-border: #EADFD3;
  --color-border-light: #F5EDE4;

  --color-success: #5BAE82;
  --color-info: #6B9BD4;

  --font-serif: 'Baloo 2', 'Quicksand', 'Nunito', -apple-system, sans-serif;
  --font-sans: 'Quicksand', 'Nunito', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-logo: 'Baloo 2', 'Fredoka One', 'Quicksand', cursive;

  --shadow-sm: 0 2px 8px rgba(61, 44, 30, 0.06);
  --shadow-md: 0 8px 24px rgba(61, 44, 30, 0.08);
  --shadow-lg: 0 20px 50px rgba(61, 44, 30, 0.12);
  --shadow-primary: 0 10px 30px rgba(232, 115, 154, 0.25);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --container-width: 1200px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  letter-spacing: -0.01em;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

/* ===== Skip Link ===== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px 16px;
  z-index: 1000;
  transition: top 0.3s;
}
.skip-link:focus {
  top: 0;
}

/* ===== Container ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
  cursor: pointer;
  border: 1.5px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  box-shadow: 0 6px 20px rgba(232, 115, 154, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(232, 115, 154, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(232, 115, 154, 0.05);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 16px;
}

.btn-full {
  width: 100%;
}

/* ===== Header / Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 248, 242, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 248, 242, 0.95);
  border-bottom-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo:hover .logo-mark {
  transform: scale(1.08) rotate(-5deg);
}

.logo:hover .logo-cn {
  background: linear-gradient(135deg, #FF8FB1 0%, #FFD6A5 30%, #B8E0D2 60%, #D4B5E8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 100%;
  animation: logoGradientShift 3s ease infinite;
}

@keyframes logoGradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.logo-mark svg {
  filter: drop-shadow(0 2px 6px rgba(255, 143, 177, 0.25));
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-cn {
  font-family: var(--font-logo);
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, #FF8FB1 0%, #FFB86C 50%, #B8E0D2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  line-height: 1;
}

.logo-en {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #B8A090;
  text-transform: uppercase;
  font-family: var(--font-sans);
}

.main-nav {
  display: flex;
}

.nav-list {
  display: flex;
  gap: 36px;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-light);
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 14px rgba(232, 115, 154, 0.25);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(232, 115, 154, 0.35);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(255, 248, 242, 0.98);
  backdrop-filter: blur(20px);
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-light);
  transform: translateY(-120%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 99;
}

.mobile-nav.open {
  transform: translateY(0);
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
}

.mobile-nav-link {
  display: block;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
  color: var(--color-primary);
  background: var(--color-bg-soft);
}

/* ===== Page Hero Banner (Shared for inner pages) ===== */
.page-hero {
  position: relative;
  height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  margin-top: 0;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 182, 205, 0.35) 0%,
    rgba(255, 214, 165, 0.25) 40%,
    rgba(184, 224, 210, 0.30) 100%
  );
  z-index: 1;
}

.page-hero-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 247, 240, 0.15) 0%,
    rgba(255, 247, 240, 0.75) 85%,
    #FFF7F0 100%
  );
}

.page-hero-content {
  position: relative;
  z-index: 2;
  padding-top: 60px;
}

.page-hero-title {
  font-family: var(--font-logo);
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  text-shadow:
    0 2px 12px rgba(255, 143, 177, 0.5),
    0 4px 24px rgba(255, 143, 177, 0.3);
  letter-spacing: -1px;
  line-height: 1.1;
}

.page-hero-subtitle {
  font-family: var(--font-logo);
  font-size: clamp(15px, 2vw, 20px);
  font-weight: 600;
  color: #fff;
  opacity: 0.95;
  text-shadow: 0 2px 10px rgba(74, 59, 92, 0.25);
  letter-spacing: 0.5px;
}

/* ===== About Hero Banner (kept for legacy) ===== */
.about-hero {
  position: relative;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  margin-top: 0;
}

.about-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.about-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.about-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 182, 205, 0.35) 0%,
    rgba(255, 214, 165, 0.25) 40%,
    rgba(184, 224, 210, 0.30) 100%
  );
  z-index: 1;
}

.about-hero-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 247, 240, 0.15) 0%,
    rgba(255, 247, 240, 0.75) 85%,
    #FFF7F0 100%
  );
}

.about-hero-content {
  position: relative;
  z-index: 2;
  padding-top: 60px;
}

.about-hero-title {
  font-family: var(--font-logo);
  font-size: clamp(44px, 6vw, 72px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  text-shadow:
    0 2px 12px rgba(255, 143, 177, 0.5),
    0 4px 24px rgba(255, 143, 177, 0.3);
  letter-spacing: -1px;
  line-height: 1.1;
}

.about-hero-subtitle {
  font-family: var(--font-logo);
  font-size: clamp(16px, 2.2vw, 22px);
  font-weight: 600;
  color: #fff;
  opacity: 0.95;
  text-shadow: 0 2px 10px rgba(74, 59, 92, 0.25);
  letter-spacing: 0.5px;
}

/* About page has slightly bigger hero */
.about-hero { height: 480px; }
.about-hero-title { font-size: clamp(44px, 6vw, 72px); }

/* ===== Inner Page Banner ===== */
.page-banner {
  position: relative;
  padding: 160px 0 80px;
  text-align: center;
  overflow: hidden;
}

.page-banner-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--color-bg-soft) 0%,
    var(--color-bg-alt) 50%,
    #FFE8E0 100%
  );
  z-index: 0;
}

.page-banner-bg::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(232,115,154,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.page-banner-bg::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(255,154,118,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.page-banner .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--color-primary);
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.breadcrumb .current {
  color: var(--color-text-light);
  font-weight: 500;
}

.page-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}

.page-subtitle {
  font-size: 17px;
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto;
  font-weight: 400;
}

/* ===== Stats Section ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.stat-card-num {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  line-height: 1;
}

.stat-card-label {
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 500;
}

/* ===== Feature Full Width ===== */
.features-full {
  grid-template-columns: repeat(4, 1fr) !important;
  max-width: none;
  margin-top: 0;
  gap: 24px;
}

.feature-item-lg {
  padding: 28px 24px;
}

.feature-item-lg .feature-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.feature-item-lg h4 {
  font-size: 17px;
  margin-bottom: 8px;
}

.feature-item-lg p {
  font-size: 14px;
  line-height: 1.7;
}

/* ===== QC Checklist ===== */
.qc-checklist {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
  text-align: left;
}

.qc-checklist li {
  font-size: 12px;
  color: var(--color-text-light);
  padding-left: 18px;
  position: relative;
  margin-bottom: 6px;
  line-height: 1.5;
}

.qc-checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
  font-size: 12px;
}

.qc-step-detailed {
  padding-bottom: 28px;
}

/* ===== Product Link full card clickable ===== */
.product-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.product-link:hover {
  color: inherit;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(61, 44, 30, 0.65) 0%,
    rgba(232, 115, 154, 0.3) 50%,
    rgba(255, 154, 118, 0.2) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
  color: white;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 400;
  margin-bottom: 28px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #7FDEB2;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(127, 222, 178, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(127, 222, 178, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(127, 222, 178, 0.1); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.title-accent {
  background: linear-gradient(135deg, #FFD6E6 0%, #FFE4CC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-actions .btn-outline {
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.hero-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
  color: white;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: left;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
  background: linear-gradient(135deg, #FFD6E6 0%, #FFE4CC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  letter-spacing: 2px;
  z-index: 1;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.7), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent, white, transparent);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* ===== Trust Bar ===== */
.trust-bar {
  background: white;
  border-bottom: 1px solid var(--color-border-light);
  padding: 20px 0;
}

.trust-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-light);
  font-size: 14px;
  font-weight: 500;
}

.trust-item svg {
  color: var(--color-primary);
}

/* ===== Section Common ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  margin: 16px auto 0;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== About Section ===== */
.about-section {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.about-badge-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-primary);
  text-align: center;
}

.badge-year {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
}

.badge-text {
  font-size: 13px;
  margin-top: 4px;
  line-height: 1.4;
}

.about-heading {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text);
}

.about-text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.about-text strong {
  color: var(--color-text);
  font-weight: 600;
}

.about-features {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(232,115,154,0.1), rgba(255,154,118,0.1));
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

.feature-body h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  font-family: var(--font-sans);
}

.feature-body p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Products Section ===== */
.products-section {
  background: var(--color-bg-alt);
}

.product-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 28px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  transition: var(--transition);
}

.tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(232, 115, 154, 0.3);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--color-border-light);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card.hide {
  display: none;
}

.product-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-img {
  transform: scale(1.08);
}

.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-primary);
}

.product-info {
  padding: 24px;
}

.product-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-sans);
}

.product-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-detail-btn {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.product-detail-btn:hover {
  gap: 8px;
  color: var(--color-primary-dark);
}

.section-footer-cta {
  text-align: center;
  margin-top: 50px;
}

/* ===== Quality Section ===== */
.quality-section {
  background: var(--color-bg);
  position: relative;
}

.quality-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  margin-bottom: 70px;
}

.timeline-track {
  position: absolute;
  top: 65px;
  left: 5%;
  right: 5%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent-light));
  border-radius: 2px;
  z-index: 0;
}

.qc-step {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px 24px 28px;
  text-align: center;
  border: 1px solid var(--color-border-light);
  z-index: 1;
  transition: var(--transition);
}

.qc-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.qc-step-num {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-serif);
  box-shadow: 0 4px 12px rgba(232, 115, 154, 0.3);
}

.qc-step-icon {
  width: 70px;
  height: 70px;
  margin: 16px auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(232,115,154,0.1), rgba(255,154,118,0.1));
  border-radius: 50%;
  color: var(--color-primary);
}

.qc-step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
  font-family: var(--font-sans);
}

.qc-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.qc-step p:last-child {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.quality-image-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  background: white;
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.qc-img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.qc-text-box h4 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.qc-text-box p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.qc-cert-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.qc-cert-list li {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ===== Production Process Section ===== */
.production-section {
  background: var(--color-bg-alt);
}

.production-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.prod-step {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.prod-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.prod-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.prod-step:hover::before {
  transform: scaleX(1);
}

.prod-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.prod-step-num {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
}

.prod-step:hover .prod-step-num {
  color: var(--color-primary-light);
}

.prod-step-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(232,115,154,0.1), rgba(255,154,118,0.1));
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

.prod-step h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  font-family: var(--font-sans);
}

.prod-step p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;
  color: white;
}

.cta-inner h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  margin-bottom: 8px;
  color: white;
  font-family: var(--font-serif);
}

.cta-inner p {
  font-size: 15px;
  opacity: 0.9;
}

.cta-inner .btn-primary {
  background: white;
  color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.cta-inner .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

/* ===== Contact Section ===== */
.contact-section {
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}

.contact-info-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  font-family: var(--font-serif);
}

.contact-info-desc {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 36px;
}

.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(232,115,154,0.12), rgba(255,154,118,0.12));
  border-radius: 50%;
  color: var(--color-primary);
}

.contact-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
}

.map-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #F3E8DD 0%, #E8DDD4 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--color-border);
}

.map-inner {
  text-align: center;
  color: var(--color-text-light);
}

.map-inner svg {
  color: var(--color-primary);
  margin-bottom: 10px;
  margin-left: auto;
  margin-right: auto;
}

.map-inner p {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
}

.map-inner span {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* Contact Form */
.contact-form-wrap {
  background: white;
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.form-subtitle {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 28px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(232, 115, 154, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

/* ===== Footer ===== */
.site-footer {
  background: #2B1E14;
  color: #C4B5A5;
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.footer-logo .logo-cn {
  color: white;
}

.footer-logo .logo-en {
  color: rgba(255, 255, 255, 0.5);
}

.footer-desc {
  font-size: 13px;
  line-height: 1.8;
  color: #9A8A7A;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  color: white;
  font-family: var(--font-sans);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13px;
  color: #9A8A7A;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary-light);
  padding-left: 4px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  color: #9A8A7A;
  line-height: 1.6;
}

.footer-contact-list span {
  color: #C4B5A5;
  font-weight: 500;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #6B5746;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-bottom-links a {
  color: #6B5746;
}

.footer-bottom-links a:hover {
  color: var(--color-primary-light);
}

.footer-bottom-links span {
  color: #4A3A2A;
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s, visibility 0.3s;
}

.modal.open {
  visibility: visible;
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(43, 30, 20, 0.7);
  backdrop-filter: blur(4px);
}

.modal-dialog {
  position: relative;
  background: white;
  border-radius: var(--radius-xl);
  max-width: 700px;
  width: 90%;
  max-height: 85vh;
  overflow: auto;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal.open .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  color: var(--color-text);
  z-index: 2;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--color-bg-soft);
  color: var(--color-primary);
}

.modal-body {
  padding: 0;
}

.modal-product-img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-product-info {
  padding: 30px;
}

.modal-product-info h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.modal-product-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-bg-soft);
  color: var(--color-primary);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 16px;
}

.modal-product-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.modal-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
  padding: 20px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.modal-specs div {
  font-size: 13px;
}

.modal-specs strong {
  color: var(--color-text);
  display: block;
  margin-bottom: 2px;
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.modal-specs span {
  color: var(--color-text);
  font-weight: 500;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  box-shadow: var(--shadow-primary);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(232, 115, 154, 0.4);
}

/* ===== Scroll Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 70px 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-img {
    height: 400px;
  }

  .about-badge-float {
    bottom: 20px;
    right: 20px;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quality-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 20px;
  }

  .timeline-track {
    display: none;
  }

  .production-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quality-image-row {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 30px;
  }

  .qc-img {
    height: 280px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: 50px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .main-nav, .nav-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    min-height: 90vh;
  }

  .hero-content {
    padding: 40px 20px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-num {
    font-size: 28px;
  }

  .stat-divider {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-card-num {
    font-size: 32px;
  }

  .features-full {
    grid-template-columns: 1fr 1fr !important;
  }

  .page-banner {
    padding: 120px 0 60px;
  }

  .quality-timeline-detailed {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .hero-actions {
    margin-bottom: 40px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 15px;
  }

  .trust-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .trust-item {
    font-size: 12px;
    justify-content: center;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .product-tabs {
    gap: 8px;
  }

  .tab-btn {
    padding: 8px 18px;
    font-size: 13px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .quality-timeline {
    grid-template-columns: 1fr;
  }

  .production-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-form-wrap {
    padding: 28px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .about-img {
    height: 300px;
  }

  .about-badge-float {
    padding: 14px 18px;
  }

  .badge-year {
    font-size: 32px;
  }

  .quality-image-row {
    padding: 20px;
  }

  .qc-img {
    height: 220px;
  }

  .qc-cert-list {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }

  .modal-product-img {
    height: 250px;
  }

  .modal-product-info {
    padding: 20px;
  }

  .modal-specs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .section-title {
    font-size: 26px;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .trust-inner {
    grid-template-columns: 1fr 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .features-full {
    grid-template-columns: 1fr !important;
  }

  .quality-timeline-detailed {
    grid-template-columns: 1fr !important;
  }

  .page-title {
    font-size: 32px;
  }
}