/* ============================================
   SOHOU.苏侯 Brand Website Design System
   主色调：浅墨绿 · 米白 · 低饱和灰 · 品牌高级黑
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  /* 品牌主色 - 浅墨绿 */
  --c-primary: #5C7A6B;
  --c-primary-dark: #3D5446;
  --c-primary-light: #8FA89A;
  --c-primary-pale: #D4E0D8;
  --c-primary-mist: #EAF0EC;

  /* 背景色 - 米白 */
  --c-bg: #F8F6F1;
  --c-bg-alt: #F1ECE3;
  --c-bg-warm: #F5F0E8;
  --c-bg-dark: #2A2A28;

  /* 中性色 - 低饱和灰 */
  --c-gray: #8A8A85;
  --c-gray-light: #B5B5B0;
  --c-gray-dark: #5A5A55;

  /* 强调色 - 品牌高级黑 */
  --c-black: #1A1A1A;
  --c-text: #2A2A2A;
  --c-text-secondary: #6B6B6B;
  --c-text-light: #9A9A95;
  --c-white: #FFFFFF;

  /* 点缀金 */
  --c-gold: #B89B5E;
  --c-gold-light: #D4C19E;

  /* 字体 */
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(42, 42, 40, 0.06);
  --shadow-md: 0 6px 24px rgba(42, 42, 40, 0.10);
  --shadow-lg: 0 12px 48px rgba(42, 42, 40, 0.14);

  /* 过渡 */
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  /* 容器宽度 */
  --container-max: 1200px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.75;
  font-weight: 400;
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }

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

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

.container-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.35;
  color: var(--c-text);
}

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--c-text-secondary);
  max-width: 640px;
  margin: 0 auto 0;
  line-height: 1.8;
}

.text-center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 50px;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--c-primary);
  color: var(--c-white);
  border: 1.5px solid var(--c-primary);
}
.btn-primary:hover {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--c-primary-dark);
  border: 1.5px solid var(--c-primary);
}
.btn-outline:hover {
  background: var(--c-primary);
  color: var(--c-white);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--c-black);
  color: var(--c-white);
  border: 1.5px solid var(--c-black);
}
.btn-dark:hover {
  background: var(--c-bg-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--c-text);
  border: 1.5px solid var(--c-gray-light);
}
.btn-ghost:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.btn-sm { padding: 10px 24px; font-size: 0.82rem; }
.btn-lg { padding: 16px 44px; font-size: 0.95rem; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 246, 241, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(92, 122, 107, 0.12);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(248, 246, 241, 0.97);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-primary-dark);
  letter-spacing: 0.05em;
}
.nav-logo .logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-white);
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
}
.nav-logo .logo-text { font-size: 1.15rem; }
.nav-logo .logo-text .logo-en { display: block; font-size: 0.65rem; letter-spacing: 0.2em; color: var(--c-gray); font-family: var(--font-sans); font-weight: 400; }
.nav-logo-img { height: 40px; width: auto; max-width: 180px; object-fit: contain; }
.footer-brand .nav-logo-img { height: 44px; filter: brightness(0) invert(1); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu > li > a {
  display: block;
  padding: 8px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-text);
  border-radius: var(--radius-sm);
  position: relative;
}
.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--c-primary);
  transition: var(--transition);
  transform: translateX(-50%);
}
.nav-menu > li > a:hover { color: var(--c-primary); }
.nav-menu > li > a:hover::after { width: 60%; }
.nav-menu > li > a.active { color: var(--c-primary); }
.nav-menu > li > a.active::after { width: 60%; }

.nav-cta {
  margin-left: 12px;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(248,246,241,0.95) 0%, rgba(248,246,241,0.7) 35%, rgba(248,246,241,0.15) 65%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding: 60px 0;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-primary);
  font-weight: 500;
  margin-bottom: 20px;
  padding: 6px 18px;
  background: rgba(212, 224, 216, 0.6);
  border-radius: 50px;
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--c-black);
}
.hero-title .accent { color: var(--c-primary); }

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--c-text-secondary);
  line-height: 1.85;
  margin-bottom: 32px;
  max-width: 520px;
}

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

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--c-gray);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
}
.hero-scroll .scroll-line {
  width: 1px;
  height: 40px;
  background: var(--c-gray-light);
  position: relative;
  overflow: hidden;
}
.hero-scroll .scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--c-primary);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { top: -100%; }
  50% { top: 0; }
  100% { top: 100%; }
}

/* ---------- Page Banner (Inner Pages) ---------- */
.page-banner {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 72px;
}

.page-banner-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-banner-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(42,42,40,0.55) 0%, rgba(42,42,40,0.35) 100%);
}

.page-banner-content {
  position: relative;
  z-index: 1;
  padding: 60px 24px;
}
.page-banner-content .eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-primary-pale);
  margin-bottom: 14px;
}
.page-banner-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--c-white);
  margin-bottom: 14px;
}
.page-banner-content p {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---------- Section Spacing ---------- */
.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.section-lg { padding: 120px 0; }

.bg-alt { background: var(--c-bg-alt); }
.bg-warm { background: var(--c-bg-warm); }
.bg-mist { background: var(--c-primary-mist); }
.bg-dark { background: var(--c-bg-dark); color: var(--c-white); }
.bg-dark h2, .bg-dark h3 { color: var(--c-white); }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .section-eyebrow {
  display: inline-block;
}

/* ---------- Cards ---------- */
.card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.card-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.card:hover .card-image img { transform: scale(1.06); }

.card-body { padding: 28px; }
.card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}
.card-body p {
  font-size: 0.9rem;
  color: var(--c-text-secondary);
  line-height: 1.7;
}

/* ---------- Grid ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---------- Feature / Advantage ---------- */
.feature-item {
  text-align: center;
  padding: 36px 24px;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  border: 1px solid transparent;
}
.feature-item:hover {
  border-color: var(--c-primary-pale);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--c-primary-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--c-primary);
}
.feature-item h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.feature-item p {
  font-size: 0.88rem;
  color: var(--c-text-secondary);
  line-height: 1.7;
}

/* ---------- Info Split (Image + Text) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.split-content h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 20px;
}
.split-content p {
  color: var(--c-text-secondary);
  line-height: 1.85;
  margin-bottom: 16px;
}

/* ---------- Product Card ---------- */
.product-card {
  background: var(--c-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid rgba(92,122,107,0.08);
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}
.product-card .product-image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--c-bg-warm);
}
.product-card .product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.product-card:hover .product-image img { transform: scale(1.05); }
.product-card .product-info { padding: 32px; }

/* More Products gallery — show full image, compact spacing */
#more-products .product-image {
  aspect-ratio: 4 / 3;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#more-products .product-image img {
  object-fit: contain;
  width: 100%;
  height: 100%;
}
#more-products .product-info { padding: 16px 20px; }
.product-card .product-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--c-primary);
  background: var(--c-primary-mist);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.product-card h3 { font-size: 1.35rem; margin-bottom: 8px; }
.product-card .product-nickname { font-size: 0.85rem; color: var(--c-gray); margin-bottom: 14px; }
.product-card .product-price { font-size: 1.3rem; font-weight: 600; color: var(--c-primary-dark); margin: 16px 0; }
.product-card .product-price small { font-size: 0.75rem; color: var(--c-gray); font-weight: 400; }
.product-card .product-desc { font-size: 0.88rem; color: var(--c-text-secondary); line-height: 1.75; margin-bottom: 20px; }

/* ---------- Case Card ---------- */
.case-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid rgba(92,122,107,0.08);
}
.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.case-card .case-header {
  padding: 28px 28px 0;
}
.case-card .case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.case-card .case-tag {
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: 50px;
  background: var(--c-primary-mist);
  color: var(--c-primary-dark);
}
.case-card h3 { font-size: 1.15rem; margin-bottom: 8px; line-height: 1.5; }
.case-card .case-meta { font-size: 0.8rem; color: var(--c-gray); margin-bottom: 16px; }
.case-card .case-body { padding: 0 28px 28px; font-size: 0.86rem; color: var(--c-text-secondary); line-height: 1.8; }
.case-card .case-body p { margin-bottom: 10px; }
.case-card .case-body .case-label { font-weight: 600; color: var(--c-text); }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding: 20px 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-primary-pale);
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 40px 48px;
}
.timeline-item:nth-child(odd) { left: 0; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; text-align: left; }
.timeline-item::before {
  content: '';
  position: absolute;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-primary);
  border: 3px solid var(--c-bg);
  z-index: 1;
}
.timeline-item:nth-child(odd)::before { right: -7px; }
.timeline-item:nth-child(even)::before { left: -7px; }
.timeline-year {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 8px;
}
.timeline-item h4 { font-size: 1rem; margin-bottom: 8px; }
.timeline-item p { font-size: 0.85rem; color: var(--c-text-secondary); line-height: 1.7; }

/* ---------- FAQ Accordion ---------- */
.faq-item {
  background: var(--c-white);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid rgba(92,122,107,0.08);
  transition: var(--transition);
}
.faq-item.active { box-shadow: var(--shadow-md); border-color: var(--c-primary-pale); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-primary-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--c-primary);
  transition: var(--transition);
}
.faq-item.active .faq-question .faq-icon { background: var(--c-primary); color: var(--c-white); transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.active .faq-answer { max-height: 500px; }
.faq-answer-inner {
  padding: 0 28px 20px;
  font-size: 0.88rem;
  color: var(--c-text-secondary);
  line-height: 1.8;
}

/* ---------- Info Table ---------- */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.info-table th, .info-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid rgba(92,122,107,0.10);
}
.info-table th {
  background: var(--c-primary-mist);
  color: var(--c-primary-dark);
  font-weight: 600;
  white-space: nowrap;
  width: 160px;
}
.info-table td { color: var(--c-text-secondary); }

/* ---------- Alert / Notice ---------- */
.notice-box {
  background: var(--c-primary-mist);
  border-left: 4px solid var(--c-primary);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  margin: 24px 0;
}
.notice-box p { font-size: 0.85rem; color: var(--c-primary-dark); line-height: 1.8; }
.notice-box strong { color: var(--c-primary-dark); }

.warn-box {
  background: #FFF8EE;
  border-left: 4px solid var(--c-gold);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  margin: 24px 0;
}
.warn-box p { font-size: 0.85rem; color: #8A6D2E; line-height: 1.8; }
.warn-box strong { color: #8A6D2E; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  background: linear-gradient(135deg, var(--c-primary-dark), var(--c-primary));
  color: var(--c-white);
}
.cta-banner h2 { color: var(--c-white); font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 28px; line-height: 1.8; }
.cta-banner .btn-primary { background: var(--c-white); color: var(--c-primary-dark); border-color: var(--c-white); }
.cta-banner .btn-primary:hover { background: var(--c-bg-alt); }

/* ---------- News List ---------- */
.news-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(92,122,107,0.10);
  transition: var(--transition);
}
.news-item:hover { background: rgba(212,224,216,0.2); padding-left: 12px; padding-right: 12px; border-radius: var(--radius-md); }
.news-item .news-thumb {
  width: 200px;
  height: 140px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.news-item .news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-item:hover .news-thumb img { transform: scale(1.06); }
.news-item .news-info { flex: 1; }
.news-item .news-date { font-size: 0.78rem; color: var(--c-gray); margin-bottom: 8px; }
.news-item .news-info h3 { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.5; transition: var(--transition); }
.news-item:hover .news-info h3 { color: var(--c-primary); }
.news-item .news-info p { font-size: 0.85rem; color: var(--c-text-secondary); line-height: 1.75; }
.news-item .news-cat { display: inline-block; font-size: 0.72rem; padding: 3px 10px; border-radius: 50px; background: var(--c-primary-mist); color: var(--c-primary-dark); margin-right: 8px; }

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--c-text);
  border: 1px solid rgba(92,122,107,0.15);
  transition: var(--transition);
}
.pagination a:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-mist); }
.pagination .current, .pagination .active { background: var(--c-primary); color: var(--c-white); border-color: var(--c-primary); }
.pagination .dots { border: none; color: var(--c-gray); }
.pagination .next { border-color: rgba(92,122,107,0.15); color: var(--c-text); cursor:pointer; }
.pagination .next:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-mist); }

/* ---------- Form ---------- */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 500; margin-bottom: 8px; color: var(--c-text); }
.form-group label .required { color: #C25B5B; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--c-text);
  background: var(--c-white);
  border: 1.5px solid rgba(92,122,107,0.15);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(92,122,107,0.10);
}
textarea.form-control { resize: vertical; min-height: 100px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ---------- Article Detail ---------- */
.article-detail { padding: 20px 0; }
.article-detail .article-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--c-gray); margin-bottom: 24px; }
.article-detail h1 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 24px; line-height: 1.5; }
.article-detail .article-body { font-size: 0.95rem; line-height: 2; color: var(--c-text-secondary); }
.article-detail .article-body h2 { font-size: 1.3rem; margin: 32px 0 16px; color: var(--c-text); }
.article-detail .article-body h3 { font-size: 1.1rem; margin: 24px 0 12px; color: var(--c-text); }
.article-detail .article-body p { margin-bottom: 18px; }
.article-detail .article-body ul { padding-left: 24px; margin-bottom: 18px; list-style: disc; }
.article-detail .article-body ul li { margin-bottom: 8px; line-height: 1.9; }
.article-detail .article-body img { border-radius: var(--radius-md); margin: 24px 0; }

/* ---------- Contact Info ---------- */
.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--c-white);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  transition: var(--transition);
}
.contact-info-item:hover { box-shadow: var(--shadow-sm); }
.contact-info-item .info-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--c-primary-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--c-primary);
}
.contact-info-item .info-text h4 { font-size: 0.9rem; margin-bottom: 4px; }
.contact-info-item .info-text p { font-size: 0.85rem; color: var(--c-text-secondary); line-height: 1.6; }

/* ---------- Map Placeholder ---------- */
.map-box {
  width: 100%;
  height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-primary-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 1px solid rgba(92,122,107,0.10);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { color: var(--c-white); margin-bottom: 20px; }
.footer-brand .nav-logo .logo-mark { background: var(--c-primary); }
.footer-brand p { font-size: 0.84rem; line-height: 1.8; max-width: 320px; margin-bottom: 20px; }
.footer-brand .footer-contact { font-size: 0.84rem; }
.footer-brand .footer-contact p { margin-bottom: 6px; }

.footer-col h4 { color: var(--c-white); font-size: 0.95rem; margin-bottom: 18px; font-family: var(--font-sans); font-weight: 500; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.84rem; color: rgba(255,255,255,0.65); }
.footer-col ul li a:hover { color: var(--c-primary-light); padding-left: 4px; }

.footer-qrcode {
  text-align: center;
}
.footer-qrcode .qr-box {
  width: 120px;
  height: 120px;
  background: var(--c-white);
  border-radius: var(--radius-md);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--c-gray);
}
.footer-qrcode .qr-img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-md);
  margin: 0 auto 12px;
  display: block;
  object-fit: cover;
  background: var(--c-white);
  padding: 6px;
  box-sizing: border-box;
}

/* ---------- Gallery Grid ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  background: var(--c-white);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-caption {
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--c-text-secondary);
  text-align: center;
  margin: 0;
}
@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
/* ---------- 移动端（≤680px）整体适配 ---------- */
@media (max-width: 680px) {
  /* 页脚：移动端整体隐藏，由底部浮动联系条承接电话与在线咨询 */
  .site-footer { display: none; }
}
@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: 1fr; }
}

/* ---------- Before & After Gallery ---------- */
.ba-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.ba-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  background: var(--c-white);
}
.ba-item img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.ba-item:hover img {
  transform: scale(1.05);
}
@media (max-width: 900px) {
  .ba-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .ba-grid { grid-template-columns: 1fr; }
}

/* ---------- Customer Reviews Grid ---------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.review-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  background: var(--c-white);
  cursor: pointer;
}
.review-item img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.review-item:hover img {
  transform: scale(1.03);
}
@media (max-width: 900px) {
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .reviews-grid { grid-template-columns: 1fr; }
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom .footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.5); }
.footer-bottom .footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-bottom .footer-links a { font-size: 0.78rem; color: rgba(255,255,255,0.5); }
.footer-bottom .footer-links a:hover { color: var(--c-primary-light); }

/* ---------- Compliance Notice ---------- */
.compliance-bar {
  background: rgba(184, 155, 94, 0.10);
  border-top: 1px solid rgba(184, 155, 94, 0.20);
  padding: 12px 0;
  text-align: center;
}
.compliance-bar p { font-size: 0.76rem; color: var(--c-gray-dark); line-height: 1.6; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--c-gray);
  margin-bottom: 32px;
}
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb .sep { color: var(--c-gray-light); }

/* ---------- Badge / Pill ---------- */
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.05em;
}
.badge-primary { background: var(--c-primary-mist); color: var(--c-primary-dark); }
.badge-gold { background: rgba(184,155,94,0.15); color: var(--c-gold); }
.badge-dark { background: rgba(42,42,40,0.10); color: var(--c-text); }

/* ---------- Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 968px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .news-item { flex-direction: column; }
  .news-item .news-thumb { width: 100%; height: 200px; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--c-bg);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 0;
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    transition: transform 0.4s ease;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  .nav-menu.active { transform: translateY(0); }
  .nav-menu > li { width: 100%; border-bottom: 1px solid rgba(92,122,107,0.08); }
  .nav-menu > li > a { padding: 14px 0; font-size: 0.95rem; }
  .nav-menu > li > a::after { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .video-interview-grid { grid-template-columns: 1fr !important; }
  .section { padding: 56px 0; }
  .section-lg { padding: 72px 0; }
  .cta-banner { padding: 40px 24px; }

  .timeline::before { left: 20px; }
  .timeline-item { width: 100%; padding-left: 52px; text-align: left !important; left: 0 !important; }
  .timeline-item::before { left: 13px !important; right: auto !important; }

  .hero { min-height: 90vh; }
  .hero-content { padding: 40px 0; }

  .page-banner { min-height: 320px; }
  .page-banner-content h1 { font-size: 1.8rem; }
  .page-banner-content p { font-size: 0.85rem; }

  .info-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .info-table { min-width: 480px; }
  .info-table th { width: 120px; padding: 10px 12px; }
  .info-table td { padding: 10px 12px; }

  .product-card .product-info { padding: 16px; }
  .split { gap: 24px; }
  .split-image { aspect-ratio: 4/3; }

  #more-products .product-image { aspect-ratio: 1/1; padding: 12px; }
  #more-products .product-info { padding: 10px 12px; }

  .faq-item { padding: 16px; }
  .faq-question { font-size: 0.95rem; }

  .review-item img { aspect-ratio: 1/1; }
  .ba-item img { aspect-ratio: 1/1; }

  .section-title { font-size: 1.5rem; }
  .section-subtitle { font-size: 0.9rem; }

  .card-body { padding: 20px; }
  .notice-box { padding: 16px 20px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .founder-row { flex-direction: column !important; align-items: center !important; text-align: center; }
  .founder-portrait { width: 160px !important; margin: 0 auto 16px !important; }

  .page-banner { min-height: 260px; padding-top: 60px; }
  .page-banner-content h1 { font-size: 1.5rem; }

  .section-title { font-size: 1.3rem; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 0.9rem; }

  .product-card .product-info h3 { font-size: 1.1rem; }
  .cta-banner h2 { font-size: 1.3rem; }
  .cta-banner p { font-size: 0.85rem; }
}

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 16px; } .mb-2 { margin-bottom: 16px; }
.mt-4 { margin-top: 32px; } .mb-4 { margin-bottom: 32px; }
.text-primary { color: var(--c-primary); }
.text-gray { color: var(--c-gray); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.fw-600 { font-weight: 600; }
.w-full { width: 100%; }
.d-none { display: none; }