/* ================================================================
   新界全修 | 制冷设备上门维修 · 设计 · 运维
   Author: Operit AI
   Theme: 深蓝 + 冰蓝 + 白色 科技制冷风格
   ================================================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* 主色系：深蓝渐变 */
  --primary: #001233;
  --primary-light: #00194a;
  --primary-2: #002b5e;
  --navy: #0b1d3a;

  /* 冰蓝点缀 */
  --accent: #00b4d8;
  --accent-2: #48cae4;
  --accent-3: #90e0ef;
  --cyan: #0096c7;

  /* 强调色（CTA） */
  --orange: #ff6b35;
  --orange-dark: #e85d1f;

  /* 中性色 */
  --white: #ffffff;
  --off-white: #f5f9fc;
  --light: #e8f4f8;
  --gray: #eef2f7;
  --dark-gray: #5a6b7a;
  --text: #2b3a4a;
  --border: #dce6ef;
  --success: #22c55e;

  /* 字体与阴影 */
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(0, 30, 70, 0.10);
  --shadow-lg: 0 20px 50px rgba(0, 30, 70, 0.16);
  --transition: all .3s ease;
}

/* ---------- Base Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }

/* ---------- Typography ---------- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-desc {
  color: var(--dark-gray);
  font-size: 16px;
  max-width: 720px;
}
.center-block { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  border-radius: 50px;
  border: none;
  transition: var(--transition);
  font-size: 15px;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  padding: 14px 32px;
  box-shadow: 0 8px 20px rgba(0, 180, 216, 0.35);
}
.btn-primary:hover { background: var(--cyan); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0, 180, 216, 0.45); }
.btn-orange {
  background: var(--orange);
  color: var(--white);
  padding: 14px 30px;
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.35);
}
.btn-orange:hover { background: var(--orange-dark); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  padding: 14px 30px;
  border: 2px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--white); }
.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  background: rgba(6, 20, 46, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(0, 18, 51, 0.95);
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 22px;
  box-shadow: 0 6px 16px rgba(0,180,216,0.4);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { color: var(--white); font-size: 20px; font-weight: 900; letter-spacing: 1px; }
.logo-sub { color: var(--accent-3); font-size: 10px; letter-spacing: 2px; font-weight: 500; }

.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-menu a {
  color: rgba(255,255,255,0.88);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  transition: var(--transition);
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--accent-2); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: none; color: var(--white); font-size: 24px; }

/* ---------- Mobile Menu ---------- */
.mobile-menu {
  position: fixed;
  top: 0; right: -100%;
  width: 280px; height: 100vh;
  background: var(--primary);
  z-index: 1200;
  padding: 80px 30px 30px;
  display: flex; flex-direction: column; gap: 18px;
  transition: right .4s ease;
  box-shadow: -20px 0 60px rgba(0,0,0,0.4);
}
.mobile-menu.open { right: 0; }
.mobile-menu a {
  color: var(--white);
  font-size: 17px;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-close {
  position: absolute;
  top: 24px; right: 24px;
  background: none; border: none;
  color: var(--white); font-size: 26px;
}
.mobile-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 1100;
  opacity: 0; visibility: hidden;
  transition: var(--transition);
}
.mobile-overlay.active { opacity: 1; visibility: visible; }

/* ================================================================
   HERO SECTION
   ================================================================ */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #001233 0%, #002b5e 45%, #005b8c 100%);
  overflow: hidden;
  padding-top: 90px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,180,216,0.18) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(72,202,228,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-text { color: var(--white); }
.hero-tag {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  padding: 8px 18px;
  color: var(--accent-3);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero h1 .highlight {
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .tagline {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  max-width: 520px;
  margin-bottom: 22px;
}
.hero .tagline a {
  color: var(--accent-2);
  font-weight: 600;
  border-bottom: 1px dashed rgba(144,224,239,0.5);
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 30px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255,255,255,0.9);
}
.hero-badge i { color: var(--accent-2); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 42px; }
.hero-stats {
  display: flex;
  gap: 44px;
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.stat-item { text-align: left; }
.stat-num { font-size: 32px; font-weight: 900; color: var(--white); }
.stat-num span { color: var(--accent-2); font-size: 24px; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.65); letter-spacing: 1px; }

/* Hero Visual Card */
.hero-visual { position: relative; }
.hero-card {
  position: relative;
  background: linear-gradient(160deg, rgba(255,255,255,0.16), rgba(255,255,255,0.06));
  border: 1px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(14px);
  border-radius: 24px;
  padding: 40px 34px;
  min-height: 380px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.35);
}
.hero-snowflake {
  position: absolute;
  top: -30px; right: 24px;
  font-size: 130px;
  color: rgba(144,224,239,0.2);
  animation: spin-slow 14s linear infinite;
}
.hero-card-content { position: relative; z-index: 2; }
.hero-card-content i { font-size: 96px; margin-bottom: 20px; display: block; filter: drop-shadow(0 8px 20px rgba(0,180,216,0.5)); }
.hero-card-content h3 { color: var(--white); font-size: 30px; font-weight: 900; margin-bottom: 10px; }
.hero-card-content p { color: rgba(255,255,255,0.8); font-size: 16px; }

.hero-card-mini {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}
.mini-1 { top: 90px; left: -40px; animation: float 4s ease-in-out infinite; }
.mini-2 { bottom: 70px; right: -35px; animation: float 5s ease-in-out infinite 0.5s; }
.mini-3 { bottom: -20px; left: 40px; animation: float 4.5s ease-in-out infinite 1s; }
.mini-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 18px;
}
.mini-text { display: flex; flex-direction: column; }
.mini-title { color: var(--white); font-weight: 700; font-size: 14px; }
.mini-sub { color: var(--accent-3); font-size: 12px; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes spin-slow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ================================================================
   TICKER SECTION
   ================================================================ */
.ticker-section { padding: 30px 0; background: var(--white); }
.ticker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: -60px;
  position: relative;
  z-index: 5;
}
.ticker-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}
.ticker-item:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(0,40,90,0.16); }
.ticker-icon {
  width: 60px; height: 60px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(0,180,216,0.12), rgba(0,180,216,0.05));
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  font-size: 26px;
}
.ticker-item h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.ticker-item p { font-size: 13px; color: var(--dark-gray); line-height: 1.5; }

/* ================================================================
   SERVICES SECTION
   ================================================================ */
.services-section { padding: 90px 0; background: var(--off-white); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-card.orange-border { border-top: 3px solid var(--orange); }
.service-image { position: relative; height: 200px; overflow: hidden; }
.service-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover .service-image img { transform: scale(1.08); }
.service-num {
  position: absolute;
  top: 14px; left: 14px;
  width: 44px; height: 44px;
  background: rgba(0,18,51,0.85);
  color: var(--white);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 900;
  z-index: 2;
}
.service-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.service-body h3 { font-size: 19px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.service-body p { font-size: 14px; color: var(--dark-gray); margin-bottom: 18px; flex: 1; }
.service-features { margin-bottom: 20px; }
.service-features li {
  font-size: 14px;
  color: var(--text);
  padding: 6px 0;
  display: flex; align-items: center; gap: 10px;
}
.service-features li i { color: var(--accent); font-size: 13px; }
.service-link {
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: var(--transition);
}
.service-link:hover { gap: 14px; color: var(--cyan); }

/* ================================================================
   WHY CHOOSE US SECTION
   ================================================================ */
.choose-section { padding: 90px 0; background: var(--white); }
.choose-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.choose-visual { position: relative; border-radius: 24px; overflow: visible; }
.choose-visual > img { border-radius: 24px; box-shadow: var(--shadow-lg); min-height: 480px; }
.badge-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.badge-1 { top: 30px; left: -30px; }
.badge-2 { top: 50%; right: -25px; transform: translateY(-50%); }
.badge-3 { bottom: 30px; left: -20px; }
.badge-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 18px;
}
.badge-num { font-size: 20px; font-weight: 900; color: var(--primary); }
.badge-label { font-size: 12px; color: var(--dark-gray); }
.choose-content { padding-left: 10px; }
.choose-features { margin-top: 26px; }
.choose-features li {
  display: flex;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--gray);
  align-items: flex-start;
}
.choose-features li:last-child { border-bottom: none; }
.choose-features li i {
  color: var(--accent);
  font-size: 18px;
  margin-top: 3px;
}
.choose-features li strong { color: var(--primary); font-size: 16px; display: block; }
.choose-features li span { color: var(--dark-gray); font-size: 14px; }

/* ================================================================
   PROCESS SECTION
   ================================================================ */
.process-section { padding: 90px 0; background: var(--off-white); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 48px;
  position: relative;
}
.process-step {
  text-align: center;
  padding: 30px 16px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.process-icon-wrap {
  position: relative;
  width: 70px; height: 70px;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, rgba(0,180,216,0.12), rgba(0,180,216,0.04));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  color: var(--accent);
}
.process-step-num {
  position: absolute;
  top: -4px; right: -4px;
  width: 26px; height: 26px;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  font-size: 13px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 10px rgba(255,107,53,0.4);
}
.process-step h3 { font-size: 17px; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--dark-gray); }

/* ================================================================
   WORK / CASES SECTION
   ================================================================ */
.work-section { padding: 90px 0; background: var(--white); }
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.work-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  height: 280px;
  cursor: pointer;
}
.work-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.work-card:hover img { transform: scale(1.1); }
.work-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,18,51,0.92) 0%, rgba(0,18,51,0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: var(--white);
  opacity: 1;
  transition: var(--transition);
}
.work-overlay .work-tag {
  align-self: flex-start;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 12px;
}
.work-overlay h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.work-overlay p { font-size: 13px; color: rgba(255,255,255,0.85); }

/* ================================================================
   QUOTE SECTION (Brand Slogan)
   ================================================================ */
.quote-section {
  position: relative;
  padding: 120px 0;
  text-align: center;
  background: linear-gradient(135deg, #001233 0%, #003a6b 70%, #005b8c 100%);
  overflow: hidden;
}
.quote-section .container { position: relative; z-index: 2; }
.quote-mark {
  font-size: 90px;
  color: var(--accent);
  font-family: Georgia, serif;
  line-height: 1;
  display: block;
  margin-bottom: 20px;
  opacity: 0.5;
}
.quote-text {
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 22px;
}
.quote-text .highlight {
  color: var(--accent-2);
  font-weight: 900;
}
.quote-sub { color: rgba(255,255,255,0.8); font-size: 15px; margin-bottom: 30px; }
.quote-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  letter-spacing: 2px;
}
.quote-author .line { width: 50px; height: 1px; background: rgba(255,255,255,0.3); }
.snowflakes-container { position: absolute; inset: 0; z-index: 1; overflow: hidden; pointer-events: none; }
.snowflake {
  position: absolute;
  top: -40px;
  color: rgba(255,255,255,0.35);
  animation: snowfall linear infinite;
}
@keyframes snowfall {
  0% { transform: translateY(0) rotate(0); }
  100% { transform: translateY(105vh) rotate(360deg); }
}

/* ================================================================
   COVERAGE SECTION
   ================================================================ */
.coverage-section { padding: 90px 0; background: var(--white); }
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.coverage-item {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 24px;
  text-align: center;
  transition: var(--transition);
}
.coverage-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--accent); }
.cov-icon {
  width: 64px; height: 64px;
  background: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin: 0 auto 18px;
  box-shadow: var(--shadow);
}
.coverage-item h3 { font-size: 18px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.coverage-item p { font-size: 14px; color: var(--dark-gray); line-height: 1.8; }

/* ================================================================
   TESTIMONIAL SECTION
   ================================================================ */
.testimonial-section { padding: 90px 0; background: var(--off-white); }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.stars { color: #ffb400; font-size: 18px; letter-spacing: 2px; margin-bottom: 18px; }
.testimonial-text { font-size: 15px; color: var(--text); line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800;
}
.author-name { font-weight: 700; color: var(--primary); font-size: 15px; }
.author-role { font-size: 13px; color: var(--dark-gray); }

/* ================================================================
   CTA / CONTACT SECTION
   ================================================================ */
.cta-section { padding: 90px 0; background: var(--white); }
.cta-card {
  background: linear-gradient(135deg, #001233 0%, #003a6b 100%);
  border-radius: 28px;
  padding: 56px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -60px; right: -40px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(0,180,216,0.3) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-card::after {
  content: '\f2dc';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  bottom: -40px; left: 20%;
  font-size: 180px;
  color: rgba(255,255,255,0.06);
}
.cta-left { color: var(--white); z-index: 2; }
.cta-left h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 900; margin-bottom: 12px; }
.cta-left p { color: rgba(255,255,255,0.85); font-size: 15px; }
.cta-right { display: flex; gap: 16px; flex-wrap: wrap; z-index: 2; }
.btn-white {
  background: var(--white);
  color: var(--primary);
  padding: 16px 32px;
  border-radius: 50px;
  font-weight: 700;
  transition: var(--transition);
  border: none;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,0.2); }

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer { background: #000d1f; color: rgba(255,255,255,0.75); padding-top: 70px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); }
.footer-title { color: var(--white); font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}
.footer-links a i { font-size: 10px; color: var(--accent); }
.footer-links a:hover { color: var(--accent-2); padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}
.footer-contact i { color: var(--accent); width: 16px; }
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 50px; }
  .hero-visual { max-width: 480px; margin: 0 auto; }
  .ticker-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .coverage-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav-menu { display: none; }
  .nav-toggle { display: block; }
  .nav-cta .btn-orange { display: none; }
  .choose-wrapper { grid-template-columns: 1fr; gap: 50px; }
  .choose-visual { max-width: 520px; margin: 0 auto; }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .cta-card { flex-direction: column; text-align: center; padding: 40px 30px; }
  .cta-right { justify-content: center; }
  .hero-stats { gap: 30px; flex-wrap: wrap; }
}

@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .coverage-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .ticker-grid { grid-template-columns: 1fr; margin-top: 0; }
  .hero h1 { font-size: 36px; }
  .hero-card-mini.mini-1 { left: 10px; }
  .hero-card-mini.mini-2 { right: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  .badge-1, .badge-2, .badge-3 { position: static; margin: 8px 0; width: 100%; }
  .choose-visual img { min-height: auto; }
}

/* ================================================================
   在线工单 模态框
   ================================================================ */
.ticket-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 18, 51, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.ticket-overlay.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.ticket-modal {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  overflow-y: auto;
  background: #ffffff;
  border-radius: 18px;
  padding: 34px 34px 30px;
  box-shadow: 0 30px 60px rgba(0, 18, 51, 0.35);
  animation: slideUp 0.35s ease;
}
@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.ticket-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 34px;
  height: 34px;
  border: none;
  background: #eef2f7;
  color: #334155;
  font-size: 22px;
  line-height: 1;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s;
}
.ticket-close:hover {
  background: var(--orange, #ff6b35);
  color: #fff;
  transform: rotate(90deg);
}
.ticket-header {
  text-align: center;
  margin-bottom: 24px;
}
.ticket-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, #00b4d8, #001233);
  color: #fff;
  font-size: 24px;
  margin-bottom: 14px;
}
.ticket-header h3 {
  font-size: 24px;
  color: #001233;
  margin: 0 0 6px;
  font-weight: 700;
}
.ticket-header p {
  color: #64748b;
  font-size: 14px;
  margin: 0;
}
.ticket-form { text-align: left; }
.ticket-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.ticket-field { margin-bottom: 14px; }
.ticket-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 6px;
}
.ticket-field label em {
  color: var(--orange, #ff6b35);
  font-style: normal;
}
.ticket-field input,
.ticket-field select,
.ticket-field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #dce3ec;
  border-radius: 9px;
  font-size: 14px;
  color: #0f172a;
  background: #f8fafc;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  font-family: inherit;
  box-sizing: border-box;
}
.ticket-field input:focus,
.ticket-field select:focus,
.ticket-field textarea:focus {
  border-color: #00b4d8;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.18);
}
.ticket-field textarea { resize: vertical; min-height: 90px; }
.btn-block { width: 100%; margin-top: 8px; }
.ticket-note {
  margin: 14px 0 0;
  font-size: 12px;
  color: #64748b;
  text-align: center;
  line-height: 1.6;
}
.ticket-note strong { color: #00b4d8; }
.ticket-note.ticket-success { color: #16a34a; }
.ticket-note.ticket-error { color: #dc2626; }
@media (max-width: 480px) {
  .ticket-row { grid-template-columns: 1fr; }
  .ticket-modal { padding: 26px 20px 24px; }
}