/* ============================================
   鑫绿源环保 - 全局样式 V2
   主色：深蓝 #1E3A5F | 强调色：香槟金 #C9A96E | 辅色：生态绿 #3D8B3D
   ============================================ */

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

:root {
  --primary: #1E3A5F;
  --primary-dark: #152a45;
  --primary-light: #2a4f7f;
  --primary-50: #f0f4f8;
  --accent: #C9A96E;
  --accent-dark: #b08f54;
  --accent-light: #d9c08e;
  --green: #3D8B3D;
  --green-light: #e8f5e8;
  --bg-white: #ffffff;
  --bg-gray: #F5F7FA;
  --bg-warm: #FAF8F4;
  --text-dark: #1a1a2e;
  --text-body: #555c66;
  --text-light: #8a94a0;
  --border: #e8ecf1;
  --shadow-xs: 0 1px 3px rgba(30,58,95,0.06);
  --shadow-sm: 0 2px 12px rgba(30,58,95,0.08);
  --shadow-md: 0 6px 24px rgba(30,58,95,0.12);
  --shadow-lg: 0 12px 48px rgba(30,58,95,0.18);
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 80px;
  --topbar-h: 40px;
  --container: 1240px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: all var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

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

/* ---------- SVG Icon Base ---------- */
.icon-svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.8;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ---------- Top Bar ---------- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: var(--primary-dark);
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  max-width: 100%;
  padding: 0 32px;
}
.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 32px;
}
.topbar a { display: inline-flex; align-items: center; gap: 6px; }
.topbar a:hover { color: var(--accent); }
.topbar .icon-svg { width: 14px; height: 14px; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 { color: var(--text-dark); font-weight: 700; line-height: 1.3; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-tag::before {
  content: "";
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}
.section-subtitle {
  color: var(--text-body);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 56px;
  line-height: 1.8;
}

.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-tag { justify-content: center; }
.section-header .section-tag::after {
  content: "";
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent));
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.5px;
}
.btn .icon-svg { width: 18px; height: 18px; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(201,169,110,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,169,110,0.45);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-dark {
  background: var(--primary);
  color: #fff;
}
.btn-dark:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30,58,95,0.3);
}
.btn-ghost {
  background: var(--primary-50);
  color: var(--primary);
}
.btn-ghost:hover {
  background: var(--primary);
  color: #fff;
}
.btn-lg { padding: 16px 40px; font-size: 1rem; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: var(--topbar-h);
  left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.98);
  height: var(--header-h);
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
  transition: all var(--transition);
}
.header.scrolled {
  box-shadow: 0 4px 24px rgba(30,58,95,0.12);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo img {
  height: 48px;
  width: auto;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-text .cn {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
}
.logo-text .en {
  font-size: 0.68rem;
  color: var(--text-light);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  color: var(--text-dark);
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius);
  position: relative;
  transition: color var(--transition);
}
.nav a:hover { color: var(--primary); background: var(--primary-50); }
.nav a.active { color: var(--primary); }
.nav a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 11px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.92rem;
  box-shadow: 0 4px 16px rgba(201,169,110,0.35);
  transition: all var(--transition);
}
.header-cta .icon-svg { width: 16px; height: 16px; }
.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,169,110,0.45);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: #fff;
  padding: calc(var(--header-h) + var(--topbar-h) + 40px) 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('../images/truck_load.jpg') center/cover no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg,
    rgba(21,42,69,0.95) 0%,
    rgba(30,58,95,0.85) 40%,
    rgba(30,58,95,0.60) 70%,
    rgba(30,58,95,0.30) 100%);
}
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,169,110,0.15);
  border: 1px solid rgba(201,169,110,0.3);
  color: var(--accent-light);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 2s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin-bottom: 20px;
  letter-spacing: 1px;
  line-height: 1.2;
  font-weight: 800;
}
.hero h1 .accent {
  color: var(--accent);
  position: relative;
}
.hero-desc {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.82);
  margin-bottom: 32px;
  line-height: 1.9;
  max-width: 560px;
}
.hero-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.hero-keywords span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
}
.hero-keywords span::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
  max-width: 560px;
}
.hero-stats .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stats .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

/* ---------- Sections ---------- */
section { padding: 88px 0; }
section.bg-gray { background: var(--bg-gray); }
section.bg-warm { background: var(--bg-warm); }
section.bg-dark {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
section.bg-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
}
section.bg-dark .container { position: relative; z-index: 1; }
section.bg-dark .section-title { color: #fff; }
section.bg-dark .section-tag { color: var(--accent-light); }

/* ---------- Grids ---------- */
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 56px; align-items: center; }

/* ---------- Business Card ---------- */
.biz-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
}
.biz-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.biz-card-img {
  height: 160px;
  overflow: hidden;
  position: relative;
}
.biz-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.biz-card:hover .biz-card-img img { transform: scale(1.08); }
.biz-card-img::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background: linear-gradient(transparent, rgba(0,0,0,0.2));
}
.biz-card-num {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,0.9);
  color: var(--primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  z-index: 2;
}
.biz-card-body {
  padding: 22px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.biz-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text-dark);
}
.biz-card-body p {
  font-size: 0.87rem;
  color: var(--text-body);
  flex: 1;
  margin-bottom: 14px;
  line-height: 1.7;
}
.biz-card-link {
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.biz-card-link:hover { gap: 8px; color: var(--primary); }

/* ---------- Service Item ---------- */
.service-item {
  background: #fff;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.service-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.service-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.service-icon .icon-svg { width: 30px; height: 30px; }
.service-icon.blue { background: linear-gradient(135deg, #e8f0f8, #d4e4f3); color: var(--primary); }
.service-icon.gold { background: linear-gradient(135deg, #f5eddf, #ead8b8); color: var(--accent-dark); }
.service-icon.green { background: linear-gradient(135deg, #e5f2e5, #cce8cc); color: var(--green); }
.service-icon.navy { background: linear-gradient(135deg, #dde5ef, #c8d6e6); color: var(--primary-dark); }
.service-item:hover .service-icon {
  transform: scale(1.08) rotate(-3deg);
}
.service-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.service-item p { font-size: 0.88rem; color: var(--text-body); line-height: 1.7; }

/* ---------- Advantage Card ---------- */
.adv-card {
  background: #fff;
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.adv-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.adv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.adv-card:hover::before { transform: scaleX(1); }
.adv-card .service-icon { margin: 0 0 18px; }
.adv-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.adv-card p { font-size: 0.92rem; line-height: 1.8; }

/* ---------- About Section ---------- */
.about-text .section-tag { justify-content: flex-start; }
.about-text h2 { font-size: clamp(1.6rem, 3vw, 2rem); margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; line-height: 1.9; }
.about-stats {
  display: flex;
  gap: 40px;
  margin: 32px 0;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat-item { text-align: left; }
.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-num .unit { font-size: 1rem; color: var(--accent); font-weight: 600; }
.stat-label {
  font-size: 0.88rem;
  color: var(--text-light);
}

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img-wrap img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}
.about-img-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-md);
}
.about-img-badge .badge-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.about-img-badge .badge-icon .icon-svg { width: 22px; height: 22px; }
.about-img-badge .badge-text strong {
  display: block;
  color: var(--primary);
  font-size: 0.95rem;
}
.about-img-badge .badge-text span {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ---------- Process ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.process-step {
  text-align: center;
  padding: 28px 16px;
  position: relative;
}
.process-step .step-num {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: #fff;
  color: var(--primary);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  transition: all var(--transition);
  position: relative;
  z-index: 2;
}
.process-step:hover .step-num {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-color: transparent;
  transform: scale(1.1);
}
.process-step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { font-size: 0.87rem; color: var(--text-body); }

/* Connector line */
.process-steps::before {
  content: "";
  position: absolute;
  top: 60px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0, var(--border) 8px, transparent 8px, transparent 16px);
  z-index: 1;
}

/* ---------- CTA Section ---------- */
.cta-section { padding: 80px 0; }
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.cta-section h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 28px; }
.cta-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  color: rgba(255,255,255,0.9);
}
.cta-info-item .icon-wrap {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.cta-info-item .icon-wrap .icon-svg { width: 22px; height: 22px; }
.cta-info-item .label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 2px;
}
.cta-info-item .value {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}
.cta-info-item a.value:hover { color: var(--accent); }

.cta-right {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
  backdrop-filter: blur(8px);
}
.cta-right .loc-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(201,169,110,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.cta-right .loc-icon .icon-svg { width: 28px; height: 28px; }
.cta-right h3 { color: #fff; margin-bottom: 8px; font-size: 1.2rem; }
.cta-right p { color: rgba(255,255,255,0.75); margin-bottom: 6px; }
.cta-right .note { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-bottom: 20px; }

/* ---------- Page Banner ---------- */
.page-banner {
  padding: calc(var(--header-h) + var(--topbar-h) + 72px) 0 64px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(201,169,110,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.03) 0%, transparent 50%);
}
.page-banner::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,0.3), transparent);
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner .section-tag { color: var(--accent-light); justify-content: center; }
.page-banner .section-tag::before,
.page-banner .section-tag::after { background: var(--accent); }
.page-banner h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 10px;
}
.page-banner p { color: rgba(255,255,255,0.7); font-size: 1.05rem; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { opacity: 0.5; }

/* ---------- Service Detail Block ---------- */
.service-detail { padding: 80px 0; }
.service-detail:nth-child(even) { background: var(--bg-gray); }
.service-detail .grid-2 { gap: 64px; }
.service-detail.reverse .service-detail-img { order: 2; }
.service-detail-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.service-detail-img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.service-detail-text .tag-label {
  display: inline-block;
  background: linear-gradient(135deg, rgba(201,169,110,0.12), rgba(201,169,110,0.06));
  color: var(--accent-dark);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 16px;
  border: 1px solid rgba(201,169,110,0.2);
}
.service-detail-text h2 { font-size: clamp(1.5rem, 2.5vw, 1.9rem); margin-bottom: 18px; }
.service-detail-text > p { margin-bottom: 24px; line-height: 1.9; }
.feature-list { margin-bottom: 28px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.95rem;
}
.feature-list li .check {
  width: 22px;
  height: 22px;
  background: var(--green-light);
  color: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.feature-list li .check .icon-svg { width: 14px; height: 14px; stroke-width: 2.5; }

/* ---------- Case Cards ---------- */
.case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.case-imgs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  height: 200px;
  background: var(--bg-gray);
}
.case-imgs .case-img { overflow: hidden; }
.case-imgs .case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.case-card:hover .case-img img { transform: scale(1.06); }
.case-body { padding: 24px; }
.case-body .case-tag {
  display: inline-block;
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.case-body h3 { font-size: 1.15rem; margin-bottom: 12px; }
.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.83rem;
  color: var(--text-light);
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.case-meta span { display: inline-flex; align-items: center; gap: 5px; }
.case-meta .icon-svg { width: 14px; height: 14px; }
.case-body p { font-size: 0.9rem; margin-bottom: 14px; line-height: 1.7; }
.case-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
}
.case-highlights li {
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.case-highlights li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---------- Safety Section ---------- */
.safety-block { padding: 80px 0; }
.safety-block:nth-child(even) { background: var(--bg-gray); }
.safety-block .grid-2 { gap: 64px; }
.safety-block.reverse .safety-img { order: 2; }
.safety-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.safety-img img { width: 100%; height: 360px; object-fit: cover; }
.safety-text h2 { font-size: clamp(1.5rem, 2.5vw, 1.9rem); margin-bottom: 18px; }
.safety-text > p { margin-bottom: 28px; line-height: 1.9; }
.safety-measures { counter-reset: measure; }
.safety-measures li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.safety-measures li:last-child { border-bottom: none; }
.safety-measures li .m-num {
  min-width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
}
.safety-measures li strong { display: block; margin-bottom: 4px; color: var(--text-dark); }
.safety-measures li span { font-size: 0.9rem; }

/* ---------- Contact Page ---------- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 64px;
}
.contact-card {
  background: #fff;
  padding: 44px 28px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.contact-card .card-icon {
  width: 76px;
  height: 76px;
  margin: 0 auto 20px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.contact-card .card-icon.blue { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.contact-card .card-icon.gold { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); }
.contact-card .card-icon.green { background: linear-gradient(135deg, #3D8B3D, #2d6b2d); }
.contact-card .card-icon .icon-svg { width: 32px; height: 32px; }
.contact-card h3 { font-size: 1.1rem; margin-bottom: 12px; }
.contact-card .card-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
  margin-bottom: 6px;
}
.contact-card .card-value:hover { color: var(--accent); }
.contact-card .card-note { font-size: 0.85rem; color: var(--text-light); }

.contact-time {
  text-align: center;
  background: var(--primary-50);
  padding: 36px;
  border-radius: var(--radius-lg);
  margin-bottom: 64px;
}
.contact-time .time-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.contact-time .time-icon .icon-svg { width: 26px; height: 26px; }
.contact-time h3 { margin-bottom: 8px; }
.contact-time p { font-size: 1.15rem; color: var(--primary); font-weight: 700; }
.contact-time .note { font-size: 0.9rem; color: var(--text-light); margin-top: 4px; }

.visit-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.visit-info h3 { font-size: 1.3rem; margin-bottom: 18px; }
.visit-info p { margin-bottom: 14px; line-height: 1.8; }
.visit-info .traffic {
  background: var(--bg-gray);
  padding: 24px;
  border-radius: var(--radius-md);
  margin-top: 20px;
}
.visit-info .traffic h4 { margin-bottom: 12px; font-size: 1rem; }
.visit-info .traffic p { font-size: 0.9rem; margin-bottom: 8px; }
.visit-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.visit-map iframe { width: 100%; height: 400px; border: 0; display: block; }

/* ---------- About Page ---------- */
.about-intro { padding: 80px 0; }
.about-intro .grid-2 { gap: 64px; }
.about-intro-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-intro-img img { width: 100%; height: 440px; object-fit: cover; }

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.philosophy-card {
  background: #fff;
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.philosophy-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.philosophy-card .phi-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.philosophy-card .phi-icon.blue { background: linear-gradient(135deg, #e8f0f8, #d4e4f3); color: var(--primary); }
.philosophy-card .phi-icon.gold { background: linear-gradient(135deg, #f5eddf, #ead8b8); color: var(--accent-dark); }
.philosophy-card .phi-icon.green { background: linear-gradient(135deg, #e5f2e5, #cce8cc); color: var(--green); }
.philosophy-card .phi-icon .icon-svg { width: 32px; height: 32px; }
.philosophy-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.philosophy-card p { font-size: 0.92rem; line-height: 1.8; }

.qualification-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}
.qualification-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border);
  font-weight: 500;
}
.qualification-list li .check {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.qualification-list li .check .icon-svg { width: 16px; height: 16px; stroke-width: 2.5; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.tag-list span {
  padding: 10px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.92rem;
  color: var(--text-dark);
  transition: all var(--transition);
}
.tag-list span:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: rgba(201,169,110,0.05);
  transform: translateY(-2px);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.65);
  padding: 64px 0 0;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}
.footer h4::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo .cn { color: #fff; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; }
.footer-brand .tax-badge {
  display: inline-block;
  margin-top: 12px;
  padding: 5px 14px;
  background: rgba(201,169,110,0.15);
  color: var(--accent);
  border-radius: 4px;
  font-size: 0.8rem;
  border: 1px solid rgba(201,169,110,0.2);
}
.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}
.footer-links a {
  font-size: 0.9rem;
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-links a:hover::before { opacity: 1; }
.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  margin-bottom: 16px;
  line-height: 1.6;
}
.footer-contact .icon-svg { width: 18px; height: 18px; color: var(--accent); margin-top: 2px; }
.footer-contact a:hover { color: var(--accent); }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.84rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a:hover { color: var(--accent); }

/* ---------- Floating & Mobile CTA ---------- */
.floating-phone {
  position: fixed;
  right: 28px;
  bottom: 44px;
  z-index: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 14px 26px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 6px 24px rgba(201,169,110,0.45);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
  animation: floatPulse 2.5s infinite;
}
.floating-phone .icon-svg { width: 18px; height: 18px; }
.floating-phone:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(201,169,110,0.55);
}
@keyframes floatPulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(201,169,110,0.45); }
  50% { box-shadow: 0 6px 36px rgba(201,169,110,0.65); }
}

.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 900;
  background: #fff;
  padding: 10px 16px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  gap: 12px;
}
.mobile-cta-bar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.92rem;
}
.mobile-cta-bar .call-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
}
.mobile-cta-bar .quote-btn {
  background: var(--primary);
  color: #fff;
}
.mobile-cta-bar .icon-svg { width: 18px; height: 18px; }

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .process-steps::before { display: none; }
  .hero { min-height: 80vh; }
  .hero-overlay {
    background: linear-gradient(135deg,
      rgba(21,42,69,0.95) 0%,
      rgba(30,58,95,0.88) 100%);
  }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; --topbar-h: 0px; }
  .topbar { display: none; }
  section { padding: 56px 0; }

  .menu-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 14px 20px; font-size: 1rem; border-radius: var(--radius); }
  .nav a:hover { background: var(--primary-50); }
  .nav a.active::after { display: none; }
  .header-cta { display: none; }

  .logo img { height: 38px; }
  .logo-text .cn { font-size: 1rem; }
  .logo-text .en { display: none; }

  .hero { min-height: auto; padding: calc(var(--header-h) + 40px) 0 60px; }
  .hero-content { max-width: 100%; }
  .hero h1 { font-size: 1.8rem; }
  .hero-desc { font-size: 1rem; }
  .hero-keywords span { font-size: 0.8rem; padding: 6px 12px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; padding-top: 24px; }
  .hero-stats .num { font-size: 1.4rem; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }

  .grid-5, .grid-4, .grid-3, .grid-2,
  .process-steps, .philosophy-grid,
  .contact-cards, .visit-section,
  .cta-grid, .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .qualification-list { grid-template-columns: 1fr; }
  .case-highlights { grid-template-columns: 1fr; }

  .service-detail.reverse .service-detail-img,
  .safety-block.reverse .safety-img { order: 0; }

  .about-stats { gap: 20px; justify-content: space-around; }
  .about-img-wrap img { height: 280px; }

  .floating-phone { display: none; }
  .mobile-cta-bar { display: flex; }

  body { padding-bottom: 72px; }

  .footer-grid { text-align: center; gap: 32px; }
  .footer-contact p { justify-content: center; }
  .footer-links { justify-items: center; }
  .footer h4::after { left: 50%; transform: translateX(-50%); }
  .about-intro-img img, .service-detail-img img, .safety-img img { height: 260px; }
}

@media (max-width: 480px) {
  .grid-5 { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .process-steps { grid-template-columns: 1fr; }
  .about-stats { flex-direction: column; gap: 16px; text-align: center; }
  .stat-item { text-align: center; }
}
/* ---------- Desktop Phone Consultation Modal ---------- */
.phone-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,25,45,0.55);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity .3s, visibility .3s;
}
.phone-modal-overlay.show { opacity: 1; visibility: visible; }
.phone-modal {
  background: #fff; border-radius: 16px;
  padding: 40px 36px 32px; width: 380px; max-width: calc(100vw - 32px);
  text-align: center;
  box-shadow: 0 20px 60px rgba(30,58,95,0.25);
  transform: translateY(20px) scale(.96);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
  position: relative;
}
.phone-modal-overlay.show .phone-modal { transform: translateY(0) scale(1); }
.phone-modal-close {
  position: absolute; top: 14px; right: 16px;
  width: 32px; height: 32px; border: none;
  background: var(--bg-gray); border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text-light); font-size: 20px; line-height: 1;
  transition: all .2s;
}
.phone-modal-close:hover { background: #e0e4ea; color: var(--text-dark); }
.phone-modal-icon {
  width: 64px; height: 64px; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(201,169,110,0.35);
}
.phone-modal-icon svg { width: 30px; height: 30px; fill: #fff; }
.phone-modal h3 { font-size: 1.25rem; color: var(--text-dark); margin-bottom: 8px; font-weight: 600; }
.phone-modal .modal-sub { color: var(--text-light); font-size: .9rem; margin-bottom: 20px; }
.phone-modal-number {
  font-size: 1.85rem; font-weight: 700; color: var(--primary);
  letter-spacing: 1.5px; margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.phone-modal-tip { font-size: .82rem; color: var(--text-light); margin-bottom: 24px; }
.phone-modal .btn-copy {
  width: 100%; padding: 13px 24px; border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff; border-radius: 10px; font-size: .95rem; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.phone-modal .btn-copy:hover { box-shadow: 0 6px 20px rgba(201,169,110,0.4); transform: translateY(-1px); }
.phone-modal-copy-hint {
  margin-top: 12px; font-size: .85rem; color: var(--green);
  min-height: 22px; opacity: 0; transition: opacity .3s;
}
.phone-modal-copy-hint.show { opacity: 1; }