/* ========== CSS Variables ========== */
:root {
  /* Brand Colors */
  --red: #B71D2B;
  --red-light: #C41E2E;
  --red-dark: #9A1925;
  --blue: #1F2A44;
  --blue-dark: #001A33;
  --pink-border: #F1D4D8;

  /* Backgrounds */
  --bg-white: #FFFFFF;
  --bg-pink: #FFFAFB;
  --bg-gray: #F5F5F5;

  /* Text */
  --text-dark: #333333;
  --text-gray: #666666;
  --text-light: #999999;

  /* Layout */
  --container: 1200px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 2px 16px rgba(0, 26, 51, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 26, 51, 0.12);
  --shadow-red: 0 4px 20px rgba(183, 29, 43, 0.25);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

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

.text-red { color: var(--red); }
.text-blue { color: var(--blue); }
.text-center { text-align: center; }
.text-white { color: #fff; }

.section { padding: 80px 0; }
.section-gray { background: var(--bg-gray); }
.section-pink { background: var(--bg-pink); }
.section-blue { background: var(--blue); color: #fff; }

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--red);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-gray);
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--red);
  background: rgba(183, 29, 43, 0.08);
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
  font-weight: 500;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-red {
  background: var(--red);
  color: #fff;
  box-shadow: var(--shadow-red);
}
.btn-red:hover { background: var(--red-dark); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

.btn-outline-red {
  background: transparent;
  color: var(--red);
  border: 2px solid var(--red);
}
.btn-outline-red:hover { background: var(--red); color: #fff; }

.btn-lg { padding: 16px 48px; font-size: 1.1rem; }

/* ========== Top Bar ========== */
.topbar {
  background: var(--blue);
  color: rgba(255,255,255,0.9);
  font-size: 0.85rem;
  padding: 8px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar-slogan { display: flex; align-items: center; gap: 8px; }
.topbar-slogan .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); display: inline-block; }
.topbar-contact { display: flex; align-items: center; gap: 20px; }
.topbar-contact a { transition: var(--transition); }
.topbar-contact a:hover { color: #fff; }
.topbar-contact .phone { font-weight: 600; color: #fff; }

/* ========== Navigation ========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
  transition: var(--transition);
}
.nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.1); }
.nav .container { display: flex; justify-content: space-between; align-items: center; height: 70px; }

.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--red); letter-spacing: 1px; }
.nav-logo .logo-icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem; font-weight: 700;
}
.nav-logo .logo-img {
  height: 40px; width: auto; display: block;
  object-fit: contain; flex-shrink: 0;
  transition: var(--transition);
}
.nav-logo:hover .logo-img { transform: scale(1.05); }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu a {
  padding: 8px 18px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  transition: var(--transition);
  position: relative;
}
.nav-menu a:hover { background: var(--bg-gray); color: var(--red); }
.nav-menu a.active { background: var(--red); color: #fff; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 3px; background: var(--text-dark); border-radius: 2px; transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ========== Hero Banner ========== */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #001A33 0%, #1F2A44 50%, #2A3A5C 100%);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(183,29,43,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(183,29,43,0.1) 0%, transparent 40%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; padding: 60px 24px; }
.hero-content { max-width: 700px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(183,29,43,0.2); border: 1px solid rgba(183,29,43,0.4);
  color: #ff6b7a; padding: 6px 18px; border-radius: 24px;
  font-size: 0.9rem; font-weight: 500; margin-bottom: 24px;
}
.hero h1 {
  font-size: 3.5rem; font-weight: 800; color: #fff;
  line-height: 1.2; margin-bottom: 16px; letter-spacing: 2px;
}
.hero h1 .highlight { color: #ff6b7a; }
.hero-sub {
  font-size: 1.3rem; color: rgba(255,255,255,0.75); margin-bottom: 36px;
  font-weight: 300;
}
.hero-tags { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9); padding: 8px 20px; border-radius: 24px;
  font-size: 0.9rem;
}
.hero-tag .check { color: #4ade80; font-weight: 700; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex; gap: 48px; margin-top: 56px; flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 2.8rem; font-weight: 800; color: #ff6b7a;
  line-height: 1; margin-bottom: 6px;
}
.hero-stat .num .unit { font-size: 1.2rem; }
.hero-stat .label { font-size: 0.95rem; color: rgba(255,255,255,0.6); }

/* ========== Dual Business Cards ========== */
.dual-cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  margin-top: -60px; position: relative; z-index: 10;
}
.dual-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); transition: var(--transition);
  display: flex; flex-direction: column;
}
.dual-card:hover { transform: translateY(-6px); box-shadow: 0 16px 50px rgba(0,26,51,0.15); }
.dual-card-header {
  padding: 36px 36px 24px; position: relative;
}
.dual-card-header.red { background: linear-gradient(135deg, var(--red), var(--red-dark)); }
.dual-card-header.blue { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); }
.dual-card-header h3 { font-size: 1.5rem; color: #fff; margin-bottom: 8px; font-weight: 700; }
.dual-card-header p { color: rgba(255,255,255,0.8); font-size: 0.95rem; }
.dual-card-header .card-icon {
  position: absolute; top: 28px; right: 28px;
  width: 56px; height: 56px; border-radius: 12px;
  background: rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
}
.dual-card-body { padding: 28px 36px; flex: 1; }
.dual-card-body .feature { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 0.95rem; color: var(--text-dark); }
.dual-card-body .feature .check { width: 20px; height: 20px; border-radius: 50%; background: rgba(183,29,43,0.1); color: var(--red); display: flex; align-items: center; justify-content: center; font-size: 0.7rem; flex-shrink: 0; }
.dual-card-footer { padding: 0 36px 36px; }
.dual-card-footer .btn { width: 100%; }

/* ========== Section: Car Life Pavilion ========== */
.brand-position {
  text-align: center; max-width: 800px; margin: 0 auto 48px;
}
.brand-position .tag-line {
  display: inline-block; background: var(--red); color: #fff;
  padding: 6px 24px; border-radius: 24px; font-size: 0.9rem; font-weight: 600;
  margin-bottom: 20px;
}
.brand-position p { font-size: 1.1rem; color: var(--text-dark); line-height: 1.8; }

.core-selling { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-bottom: 60px; }
.sell-item {
  text-align: center; padding: 32px 20px; border-radius: var(--radius-lg);
  background: #fff; border: 1px solid #eee; transition: var(--transition);
}
.sell-item:hover { border-color: var(--red); box-shadow: var(--shadow); transform: translateY(-4px); }
.sell-item .icon {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(183,29,43,0.1), rgba(183,29,43,0.05));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
}
.sell-item h4 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.sell-item p { font-size: 0.85rem; color: var(--text-gray); line-height: 1.5; }

/* Nine Grid Support */
.nine-grid-title { text-align: center; margin-bottom: 36px; }
.nine-grid-title h3 { font-size: 1.6rem; color: var(--blue); font-weight: 700; }
.nine-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.grid-item {
  background: #fff; border-radius: var(--radius); padding: 28px;
  border-left: 4px solid var(--red); box-shadow: var(--shadow);
  transition: var(--transition); position: relative; overflow: hidden;
}
.grid-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.grid-item .grid-num {
  position: absolute; top: 12px; right: 16px; font-size: 3rem;
  font-weight: 800; color: rgba(183,29,43,0.06); line-height: 1;
}
.grid-item h4 { font-size: 1.1rem; font-weight: 700; color: var(--red); margin-bottom: 10px; position: relative; z-index: 1; }
.grid-item p { font-size: 0.9rem; color: var(--text-gray); line-height: 1.6; position: relative; z-index: 1; }

/* Investment Table */
.invest-table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); margin-top: 40px; }
.invest-table { width: 100%; border-collapse: collapse; min-width: 600px; }
.invest-table thead { background: var(--red); }
.invest-table th { color: #fff; padding: 18px 24px; font-weight: 600; text-align: center; font-size: 0.95rem; }
.invest-table td { padding: 18px 24px; text-align: center; border-bottom: 1px solid var(--pink-border); font-size: 0.95rem; }
.invest-table tbody tr:nth-child(even) { background: var(--bg-pink); }
.invest-table tbody tr:hover { background: rgba(183,29,43,0.04); }
.invest-table .type-name { font-weight: 700; color: var(--red); }
.invest-table .cost { font-size: 1.1rem; font-weight: 700; color: var(--blue); }

/* ========== Section: Car Wash Equipment ========== */
.pain-solution {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 32px; align-items: center;
  margin-bottom: 56px; max-width: 1000px; margin-left: auto; margin-right: auto;
}
.pain-box, .solution-box {
  padding: 32px; border-radius: var(--radius-lg);
}
.pain-box { background: #fff5f5; border: 1px solid #ffdcdc; }
.solution-box { background: #f0fdf4; border: 1px solid #c6f6d5; }
.pain-box h4, .solution-box h4 { font-size: 1.2rem; margin-bottom: 16px; font-weight: 700; }
.pain-box h4 { color: #c53030; }
.solution-box h4 { color: #2f855a; }
.pain-box ul li, .solution-box ul li { padding: 6px 0; font-size: 0.9rem; display: flex; align-items: flex-start; gap: 8px; }
.pain-box ul li::before { content: '\2717'; color: #c53030; font-weight: 700; flex-shrink: 0; }
.solution-box ul li::before { content: '\2713'; color: #2f855a; font-weight: 700; flex-shrink: 0; }
.pain-arrow { font-size: 2rem; color: var(--red); text-align: center; }

.core-power { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 56px; }
.power-item { text-align: center; }
.power-item .power-icon {
  width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 16px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
  box-shadow: 0 4px 16px rgba(31,42,68,0.2);
}
.power-item h4 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.power-item p { font-size: 0.85rem; color: var(--text-gray); }

/* Device Highlights */
.device-highlights { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 56px; }
.device-item {
  display: flex; gap: 20px; padding: 28px; border-radius: var(--radius-lg);
  background: #fff; border: 1px solid #eee; transition: var(--transition);
}
.device-item:hover { border-color: var(--red); box-shadow: var(--shadow); }
.device-item .d-icon {
  width: 52px; height: 52px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(183,29,43,0.1), rgba(183,29,43,0.03));
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
}
.device-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.device-item p { font-size: 0.88rem; color: var(--text-gray); line-height: 1.6; }

/* Four Modes */
.four-modes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 56px; }
.mode-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition); text-align: center;
}
.mode-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.mode-card .mode-header {
  padding: 24px 20px; color: #fff; position: relative;
}
.mode-card:nth-child(1) .mode-header { background: linear-gradient(135deg, #B71D2B, #9A1925); }
.mode-card:nth-child(2) .mode-header { background: linear-gradient(135deg, #1F2A44, #001A33); }
.mode-card:nth-child(3) .mode-header { background: linear-gradient(135deg, #6B2C91, #4A1D68); }
.mode-card:nth-child(4) .mode-header { background: linear-gradient(135deg, #1B7A3D, #145A2D); }
.mode-card .mode-header .mode-icon { font-size: 2rem; margin-bottom: 8px; }
.mode-card .mode-header h4 { font-size: 1.1rem; font-weight: 700; }
.mode-card .mode-body { padding: 24px 20px; }
.mode-card .mode-body p { font-size: 0.9rem; color: var(--text-gray); line-height: 1.7; }

/* Guarantee */
.guarantee-box {
  background: linear-gradient(135deg, var(--bg-pink), #fff);
  border: 2px dashed var(--pink-border); border-radius: var(--radius-lg);
  padding: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.guarantee-item { text-align: center; }
.guarantee-item .g-icon {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--red); color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.guarantee-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.guarantee-item p { font-size: 0.88rem; color: var(--text-gray); line-height: 1.6; }

/* ========== Brand Advantages ========== */
.brand-data { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 56px; }
.data-item {
  text-align: center; padding: 36px 20px; border-radius: var(--radius-lg);
  background: #fff; box-shadow: var(--shadow); transition: var(--transition);
}
.data-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.data-item .data-num {
  font-size: 2.8rem; font-weight: 800; color: var(--red); line-height: 1; margin-bottom: 8px;
}
.data-item .data-num .unit { font-size: 1.2rem; }
.data-item .data-label { font-size: 0.95rem; color: var(--text-gray); }

.logo-wall { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 32px; }
.logo-item {
  padding: 16px 28px; background: #fff; border: 1px solid #eee; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 600; color: var(--text-gray); transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
}
.logo-item:hover { border-color: var(--red); color: var(--red); box-shadow: var(--shadow); }
.logo-item .check { color: var(--red); }

/* ========== Store Network ========== */
.store-map {
  background: #fff; border-radius: var(--radius-lg); padding: 48px;
  box-shadow: var(--shadow-lg); margin-bottom: 40px;
}
.store-regions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.region-item {
  padding: 24px; border-radius: var(--radius); background: var(--bg-pink);
  border: 1px solid var(--pink-border); transition: var(--transition);
}
.region-item:hover { border-color: var(--red); transform: translateY(-2px); }
.region-item .region-name { font-size: 1rem; font-weight: 700; color: var(--red); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.region-item .region-name .pin { font-size: 0.9rem; }
.region-item .cities { font-size: 0.9rem; color: var(--text-gray); line-height: 1.8; }
.region-item .cities span { display: inline-block; padding: 2px 8px; margin: 2px; background: #fff; border-radius: 4px; }

.service-promises { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.promise-item { text-align: center; padding: 24px 12px; }
.promise-item .p-icon { font-size: 2rem; margin-bottom: 12px; }
.promise-item h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.promise-item p { font-size: 0.82rem; color: var(--text-gray); }

/* ========== CTA Section ========== */
.cta-section {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  padding: 72px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: 2.2rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-section .cta-sub { font-size: 1.1rem; color: rgba(255,255,255,0.8); margin-bottom: 40px; }
.cta-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 800px; margin: 0 auto 32px; }
.cta-path {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg); padding: 32px; text-align: center; transition: var(--transition);
}
.cta-path:hover { background: rgba(255,255,255,0.15); transform: translateY(-4px); }
.cta-path h4 { font-size: 1.2rem; color: #fff; margin-bottom: 8px; font-weight: 700; }
.cta-path p { font-size: 0.9rem; color: rgba(255,255,255,0.7); margin-bottom: 20px; }
.cta-phone {
  font-size: 1.8rem; font-weight: 800; color: #fff; margin-top: 16px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}

/* ========== Footer ========== */
.footer { background: var(--blue-dark); color: rgba(255,255,255,0.7); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.footer-brand .logo .logo-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; font-weight: 700;
}
.footer-brand .logo .footer-logo-img {
  height: 48px; width: auto; max-width: 100%; display: block;
  object-fit: contain;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.8; margin-bottom: 16px; }
.footer-brand .slogan { color: var(--red); font-weight: 600; }
.footer-col h4 { font-size: 1rem; color: #fff; margin-bottom: 20px; font-weight: 600; }
.footer-col ul li { padding: 6px 0; font-size: 0.9rem; }
.footer-col ul li a { transition: var(--transition); }
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-contact .phone { font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-contact .address { font-size: 0.88rem; line-height: 1.7; margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 0.85rem; }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: #fff; }
.footer-links { display: flex; justify-content: center; gap: 20px; margin-bottom: 8px; }

/* ========== Animations ========== */
.fade-up { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-left.visible { opacity: 1; transform: translateX(0); }
.fade-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-right.visible { opacity: 1; transform: translateX(0); }

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.float { animation: float 3s ease-in-out infinite; }

@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }

/* ========== Secondary Page Styles ========== */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  padding: 80px 0 60px; text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(183,29,43,0.15) 0%, transparent 60%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: 2.5rem; color: #fff; font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 1.1rem; color: rgba(255,255,255,0.7); }
.breadcrumb { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 20px; font-size: 0.9rem; color: rgba(255,255,255,0.5); }
.breadcrumb a { color: rgba(255,255,255,0.7); transition: var(--transition); }
.breadcrumb a:hover { color: #fff; }

/* News Page */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition); display: flex;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.news-card .news-img {
  width: 200px; flex-shrink: 0; background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  display: flex; align-items: center; justify-content: center; font-size: 3rem; color: rgba(255,255,255,0.3);
}
.news-card .news-content { padding: 24px; flex: 1; }
.news-card .news-date { font-size: 0.85rem; color: var(--text-light); margin-bottom: 8px; }
.news-card .news-title { font-size: 1.15rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; transition: var(--transition); }
.news-card:hover .news-title { color: var(--red); }
.news-card .news-desc { font-size: 0.9rem; color: var(--text-gray); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Cooperation Page */
.mode-detail {
  background: #fff; border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow); margin-bottom: 32px;
}
.mode-detail .mode-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.mode-detail .mode-header .m-icon {
  width: 56px; height: 56px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: #fff;
}
.mode-detail .mode-header h3 { font-size: 1.4rem; font-weight: 700; }
.mode-detail .mode-body { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; }
.mode-detail .mode-features li { padding: 8px 0; display: flex; align-items: flex-start; gap: 10px; font-size: 0.95rem; }
.mode-detail .mode-features li::before { content: '\25C6'; color: var(--red); font-size: 0.7rem; margin-top: 4px; }
.mode-detail .mode-summary { background: var(--bg-pink); border-radius: var(--radius); padding: 24px; }
.mode-detail .mode-summary h4 { font-size: 1rem; color: var(--red); margin-bottom: 12px; font-weight: 700; }
.mode-detail .mode-summary p { font-size: 0.9rem; color: var(--text-gray); line-height: 1.7; }

.compare-table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 700px; }
.compare-table thead { background: var(--blue); }
.compare-table th { color: #fff; padding: 16px; font-weight: 600; text-align: center; }
.compare-table td { padding: 16px; text-align: center; border-bottom: 1px solid #eee; font-size: 0.92rem; }
.compare-table tbody tr:nth-child(even) { background: var(--bg-pink); }

/* Contact Page */
.contact-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.contact-info-item {
  background: #fff; border-radius: var(--radius-lg); padding: 36px; text-align: center;
  box-shadow: var(--shadow); transition: var(--transition);
}
.contact-info-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.contact-info-item .ci-icon {
  width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 16px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: #fff;
}
.contact-info-item h4 { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.contact-info-item p { font-size: 1rem; color: var(--text-gray); }

.contact-form-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-group label .required { color: var(--red); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 1px solid #ddd; border-radius: var(--radius);
  font-size: 0.95rem; transition: var(--transition); background: #fff;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--red); outline: none; box-shadow: 0 0 0 3px rgba(183,29,43,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-msg { padding: 12px 16px; border-radius: var(--radius); font-size: 0.9rem; margin-top: 12px; display: none; }
.form-msg.success { display: block; background: #f0fdf4; color: #2f855a; border: 1px solid #c6f6d5; }

.store-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.store-list-item {
  display: flex; align-items: flex-start; gap: 12px; padding: 20px;
  background: #fff; border-radius: var(--radius); border: 1px solid #eee; transition: var(--transition);
}
.store-list-item:hover { border-color: var(--red); box-shadow: var(--shadow); }
.store-list-item .s-icon { color: var(--red); font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.store-list-item .s-info h5 { font-size: 0.95rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.store-list-item .s-info p { font-size: 0.85rem; color: var(--text-gray); }

/* Store Image Grid (Contact Page) */
.store-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.store-img-item {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  aspect-ratio: 4 / 3;
}
.store-img-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.store-img-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .core-selling { grid-template-columns: repeat(3, 1fr); }
  .four-modes { grid-template-columns: repeat(2, 1fr); }
  .service-promises { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero h1 { font-size: 2.8rem; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed; top: 70px; left: 0; right: 0; bottom: 0;
    background: #fff; flex-direction: column; padding: 24px; gap: 8px;
    transform: translateX(100%); transition: var(--transition); overflow-y: auto;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu a { width: 100%; text-align: center; padding: 14px; }
  .nav-toggle { display: flex; }

  .topbar .container { flex-direction: column; gap: 4px; text-align: center; }
  .topbar-contact { gap: 12px; }

  .hero { min-height: auto; }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1.05rem; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 2rem; }

  .dual-cards { grid-template-columns: 1fr; margin-top: -40px; }
  .core-selling { grid-template-columns: repeat(2, 1fr); }
  .nine-grid { grid-template-columns: 1fr; }
  .core-power { grid-template-columns: repeat(2, 1fr); }
  .device-highlights { grid-template-columns: 1fr; }
  .four-modes { grid-template-columns: 1fr; }
  .guarantee-box { grid-template-columns: 1fr; padding: 24px; }
  .brand-data { grid-template-columns: repeat(2, 1fr); }
  .store-regions { grid-template-columns: 1fr; }
  .service-promises { grid-template-columns: repeat(2, 1fr); }
  .cta-paths { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .section-title { font-size: 1.7rem; }
  .pain-solution { grid-template-columns: 1fr; }
  .pain-arrow { transform: rotate(90deg); }

  .news-grid { grid-template-columns: 1fr; }
  .news-card { flex-direction: column; }
  .news-card .news-img { width: 100%; height: 160px; }
  .tab-nav .tab-btn { padding: 12px 22px; font-size: 0.9rem; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { grid-template-columns: 1fr; }
  .store-list { grid-template-columns: 1fr; }
  .store-image-grid { grid-template-columns: 1fr 1fr; }
  .mode-detail .mode-body { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.6rem; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .core-selling { grid-template-columns: 1fr; }
  .brand-data { grid-template-columns: 1fr; }
  .section-title { font-size: 1.4rem; }
  .tab-nav .tab-btn { padding: 10px 12px; font-size: 0.78rem; }
  .store-image-grid { grid-template-columns: 1fr; }
  .nav-logo { font-size: 1.25rem; gap: 8px; }
  .nav-logo .logo-img { height: 34px; }
  .footer-brand .logo .footer-logo-img { height: 42px; }
}

/* ========== Tab Switching System (Styled like reference image) ========== */
.tab-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
  width: fit-content;
  margin: 0 auto 40px;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.tab-btn {
  position: relative;
  padding: 16px 36px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dark);
  background: #fff;
  border: none;
  border-right: 1px solid #e8e8e8;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
}
.tab-btn:last-child { border-right: none; }
.tab-btn:hover { color: var(--red); background: #fafafa; }
.tab-btn.active {
  color: var(--red);
  background: #fff;
  border: 1px solid var(--red);
  margin: -1px;
  z-index: 1;
  font-weight: 600;
}
.tab-btn.active::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--red);
  z-index: 2;
}
.tab-panel { display: none; }
.tab-panel.active {
  display: block;
  animation: fadeInTab 0.4s ease;
}
@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Case Showcase ========== */
.case-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-card .case-img {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}
.case-card:nth-child(1) .case-img { background: linear-gradient(135deg, #B71D2B, #9A1925); }
.case-card:nth-child(2) .case-img { background: linear-gradient(135deg, #1F2A44, #001A33); }
.case-card:nth-child(3) .case-img { background: linear-gradient(135deg, #6B2C91, #4A1D68); }
.case-card:nth-child(4) .case-img { background: linear-gradient(135deg, #1B7A3D, #145A2D); }
.case-card:nth-child(5) .case-img { background: linear-gradient(135deg, #B71D2B, #C41E2E); }
.case-card:nth-child(6) .case-img { background: linear-gradient(135deg, #1F2A44, #2A3A5C); }
.case-card .case-body { padding: 24px; }
.case-card .case-tag {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--red);
  background: rgba(183,29,43,0.08);
  padding: 3px 12px;
  border-radius: 12px;
  margin-bottom: 10px;
  font-weight: 600;
}
.case-card h4 { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.case-card .case-location { font-size: 0.85rem; color: var(--text-light); margin-bottom: 10px; display: flex; align-items: center; gap: 4px; }
.case-card .case-desc { font-size: 0.9rem; color: var(--text-gray); line-height: 1.7; }
.case-card .case-stats {
  display: flex; gap: 16px; margin-top: 14px;
  padding-top: 14px; border-top: 1px solid #eee;
}
.case-card .case-stat .s-num { font-size: 1.1rem; font-weight: 800; color: var(--red); }
.case-card .case-stat .s-label { font-size: 0.78rem; color: var(--text-light); }

/* Life Pavilion Case Showcase - Compact (half height) */
.tab-panel[data-panel="life-case"] .case-card .case-img {
  height: 100px;
  font-size: 2rem;
}
.tab-panel[data-panel="life-case"] .case-card .case-body {
  padding: 12px 14px;
}
.tab-panel[data-panel="life-case"] .case-card .case-tag {
  font-size: 0.7rem;
  padding: 2px 10px;
}
.tab-panel[data-panel="life-case"] .case-card h4 {
  font-size: 0.9rem;
  margin-bottom: 4px;
}
.tab-panel[data-panel="life-case"] .case-card .case-location {
  font-size: 0.75rem;
  margin-bottom: 6px;
}
.tab-panel[data-panel="life-case"] .case-card .case-desc {
  font-size: 0.78rem;
  line-height: 1.5;
}
.tab-panel[data-panel="life-case"] .case-card .case-stats {
  margin-top: 8px;
  padding-top: 8px;
  gap: 12px;
}
.tab-panel[data-panel="life-case"] .case-card .case-stat .s-num {
  font-size: 0.9rem;
}
.tab-panel[data-panel="life-case"] .case-card .case-stat .s-label {
  font-size: 0.7rem;
}

/* ========== Store Network Map Layout ========== */
.store-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 32px;
  align-items: start;
}
.china-map-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}
.china-map-box h3 {
  font-size: 1.2rem;
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 16px;
  text-align: center;
}
.china-map-box img { width: 100%; height: auto; display: block; border-radius: var(--radius-lg); }

.service-promises-vertical {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.promise-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-left: 4px solid var(--red);
}
.promise-card:hover { transform: translateX(4px); box-shadow: var(--shadow-lg); }
.promise-card .pc-icon {
  width: 52px; height: 52px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(183,29,43,0.1), rgba(183,29,43,0.03));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.promise-card .pc-text h4 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.promise-card .pc-text p { font-size: 0.85rem; color: var(--text-gray); }

@media (max-width: 1024px) {
  .case-showcase { grid-template-columns: repeat(2, 1fr); }
  .store-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .case-showcase { grid-template-columns: 1fr; }
  .tab-nav { gap: 4px; }
  .tab-btn { padding: 12px 20px; font-size: 0.9rem; }
}

/* ========== Cooperation Page - Left Sidebar Tabs ========== */
.coop-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  margin-top: 40px;
}
.coop-sidebar { position: sticky; top: 90px; align-self: start; }
.coop-tab {
  display: block; width: 100%; text-align: left;
  padding: 24px 20px; background: #fff; border: 1px solid #eee;
  border-left: 4px solid transparent; border-radius: var(--radius);
  margin-bottom: 16px; transition: var(--transition); cursor: pointer; font-family: inherit;
}
.coop-tab:hover { border-color: var(--pink-border); background: var(--bg-pink); }
.coop-tab.active {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: #fff; border-left-color: var(--red-dark); border-color: var(--red);
  box-shadow: var(--shadow-red);
}
.coop-tab .tab-icon { font-size: 1.6rem; margin-bottom: 8px; }
.coop-tab .tab-title { font-size: 1rem; font-weight: 700; line-height: 1.4; }
.coop-tab .tab-desc { font-size: 0.78rem; opacity: 0.75; margin-top: 6px; line-height: 1.4; }

.coop-content { min-height: 600px; }
.coop-panel { display: none; }
.coop-panel.active { display: block; animation: fadeInTab 0.4s ease; }

.coop-section { margin-bottom: 56px; scroll-margin-top: 90px; }
.coop-section-title {
  font-size: 1.35rem; font-weight: 700; color: var(--blue);
  margin-bottom: 24px; display: flex; align-items: center; gap: 12px;
}
.coop-section-title .num {
  width: 34px; height: 34px; border-radius: 50%; background: var(--red);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; flex-shrink: 0;
}

/* Brand Endorsement */
.brand-endorsement {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  border-radius: var(--radius-lg); padding: 36px; color: #fff;
}
.brand-endorsement .be-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 8px; }
.brand-endorsement .be-item { display: flex; align-items: center; gap: 14px; font-size: 0.95rem; color: rgba(255,255,255,0.9); }
.brand-endorsement .be-item .be-icon {
  width: 42px; height: 42px; border-radius: 10px; background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0;
}

/* Coop Banner Image (matches brand-endorsement frame size) */
.coop-banner-img {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  height: 244px;
  position: relative;
  box-shadow: var(--shadow);
}
.coop-banner-img svg {
  width: 100%; height: 100%; display: block;
}
@media (max-width: 768px) {
  .coop-banner-img { height: 180px; }
}

/* Industry Prospect */
.industry-prospect { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.prospect-card {
  background: #fff; border-radius: var(--radius-lg); padding: 28px;
  border-top: 4px solid var(--red); box-shadow: var(--shadow); transition: var(--transition);
}
.prospect-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.prospect-card .pc-icon { font-size: 2rem; margin-bottom: 12px; }
.prospect-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--text-dark); }
.prospect-card p { font-size: 0.9rem; color: var(--text-gray); line-height: 1.6; }

/* Entry Conditions */
.entry-conditions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.condition-card {
  background: #fff; border-radius: var(--radius-lg); padding: 32px;
  text-align: center; box-shadow: var(--shadow); transition: var(--transition);
}
.condition-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.condition-card .cc-icon {
  width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(183,29,43,0.1), rgba(183,29,43,0.03));
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
}
.condition-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--text-dark); }
.condition-card p { font-size: 0.9rem; color: var(--text-gray); line-height: 1.6; }

/* Cost Investment */
.cost-investment { background: var(--bg-pink); border-radius: var(--radius-lg); padding: 32px; }
.cost-investment .ci-item {
  display: flex; align-items: flex-start; gap: 16px; padding: 16px 0;
  border-bottom: 1px solid var(--pink-border);
}
.cost-investment .ci-item:last-child { border-bottom: none; }
.cost-investment .ci-item .ci-label { width: 130px; font-weight: 700; color: var(--red); flex-shrink: 0; }
.cost-investment .ci-item .ci-value { color: var(--text-dark); font-size: 0.95rem; line-height: 1.6; }

/* Support Policy Grid */
.support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.support-item {
  background: #fff; border-radius: var(--radius); padding: 24px;
  border: 1px solid #eee; transition: var(--transition); display: flex; align-items: flex-start; gap: 12px;
}
.support-item:hover { border-color: var(--red); box-shadow: var(--shadow); }
.support-item .si-icon {
  width: 40px; height: 40px; border-radius: 10px; background: rgba(183,29,43,0.08);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0;
}
.support-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; color: var(--text-dark); }
.support-item p { font-size: 0.85rem; color: var(--text-gray); line-height: 1.5; }

/* Process Timeline - Snake Layout */
.process-timeline { margin-top: 40px; }
.process-snake {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 80px 24px;
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}
.snake-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.snake-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 20px 16px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.snake-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.snake-step .step-num {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--red);
  transition: var(--transition);
}
.snake-step:hover .step-num {
  background: var(--red);
  color: #fff;
  transform: scale(1.1);
}
.snake-step .step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.snake-step .step-desc {
  font-size: 0.8rem;
  color: var(--text-gray);
  line-height: 1.5;
}
.snake-step.highlight .step-num {
  background: var(--red);
  color: #fff;
  transform: scale(1.1);
  border-color: var(--red);
}
.snake-step.highlight .step-title {
  color: var(--red);
  font-weight: 800;
  font-size: 1.15rem;
}

/* Floating Nav */
.float-nav {
  position: fixed; right: 24px; top: 50%; transform: translateY(-50%);
  z-index: 100; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 12px 8px; display: none;
}
.float-nav.show { display: block; }
.float-nav .fn-title { font-size: 0.75rem; color: var(--text-light); text-align: center; padding: 4px 8px 8px; border-bottom: 1px solid #eee; margin-bottom: 4px; }
.float-nav .fn-item {
  display: block; padding: 8px 14px; font-size: 0.8rem; color: var(--text-gray);
  border-radius: 4px; transition: var(--transition); cursor: pointer;
  border-left: 3px solid transparent; white-space: nowrap;
}
.float-nav .fn-item:hover, .float-nav .fn-item.active {
  color: var(--red); border-left-color: var(--red); background: var(--bg-pink);
}

/* Lead Form */
.lead-form-wrap {
  background: #fff; border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-lg); max-width: 800px; margin: 0 auto;
}
.lead-form-wrap h3 { font-size: 1.4rem; font-weight: 700; color: var(--red); text-align: center; margin-bottom: 8px; }
.lead-form-wrap .lf-sub { text-align: center; color: var(--text-gray); margin-bottom: 32px; font-size: 0.95rem; }
.lead-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.lead-form .full { grid-column: 1 / -1; }

/* Responsive for coop page */
@media (max-width: 1024px) {
  .coop-layout { grid-template-columns: 1fr; }
  .coop-sidebar { position: static; display: flex; gap: 12px; }
  .coop-tab { flex: 1; text-align: center; border-left: none; border-bottom: 4px solid transparent; margin-bottom: 0; }
  .coop-tab.active { border-bottom-color: var(--red-dark); border-left-color: transparent; }
  .float-nav { display: none !important; }
  .industry-prospect, .entry-conditions { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .process-snake {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 480px;
  }
  .snake-line { display: none; }
  .lead-form { grid-template-columns: 1fr; }
  .brand-endorsement .be-grid { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr; }
  .coop-sidebar { flex-direction: column; }
}