/* =============================================
   德职通官网 · 主样式表
   style.css
   ============================================= */

/* ---------- CSS Variables ---------- */
:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --off-white: #f7f6f2;
  --gray-100: #f4f4f4;
  --gray-200: #e8e8e8;
  --gray-400: #9a9a9a;
  --gray-600: #5a5a5a;
  --gray-800: #2a2a2a;

  /* Brand colors */
  --gold: #c8a85a;
  --gold-light: #e8ca82;
  --gold-dark: #a0852a;
  --navy: #1a2744;
  --navy-mid: #243460;
  --navy-light: #2e4080;
  --accent: #3a7bbd;
  --accent-light: #5ba3e0;

  /* Typography */
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-serif: 'Noto Serif SC', 'STSong', Georgia, serif;

  /* Spacing */
  --section-py: 100px;
  --container-max: 1200px;
  --container-pad: 24px;

  /* Radius */
  --r-sm: 8px;
  --r-md: 16px;
  --r-lg: 24px;

  /* Shadows */
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.14);

  /* Transitions */
  --t-fast: 0.2s ease;
  --t-mid: 0.35s ease;
  --t-slow: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  outline: none;
}

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

/* ---------- Section ---------- */
.section {
  padding: var(--section-py) 0;
}
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header.light .section-title,
.section-header.light .section-eyebrow,
.section-header.light .section-desc { color: var(--white); }
.section-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--t-mid);
  letter-spacing: 0.02em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy);
  box-shadow: 0 4px 20px rgba(200, 168, 90, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(200, 168, 90, 0.55);
}
.btn-outline {
  border: 2px solid rgba(255,255,255,0.7);
  color: var(--white);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(4px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.18);
  border-color: var(--white);
}
.btn-full { width: 100%; }

/* ---------- Sub-titles ---------- */
.sub-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin: 50px 0 28px;
}
.sub-title.light { color: var(--white); }
.sub-title.center { text-align: center; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background var(--t-mid), box-shadow var(--t-mid);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 1.5rem;
  font-weight: 900;
}
.logo-de { color: var(--gold); font-family: var(--font-serif); }
.logo-zhi { color: var(--navy); font-family: var(--font-serif); }
.logo-tong { color: var(--accent); font-family: var(--font-serif); }
.logo-sub {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--gray-600);
  letter-spacing: 0.05em;
}
.navbar:not(.scrolled) .logo-sub { color: rgba(255,255,255,0.7); }
.navbar:not(.scrolled) .logo-zhi { color: var(--white); }
.navbar:not(.scrolled) .logo-tong { color: rgba(255,255,255,0.85); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links li a {
  padding: 8px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 8px;
  color: rgba(255,255,255,0.9);
  transition: var(--t-fast);
}
.navbar.scrolled .nav-links li a { color: var(--gray-800); }
.nav-links li a:hover { background: rgba(255,255,255,0.12); }
.navbar.scrolled .nav-links li a:hover { background: var(--gray-100); color: var(--navy); }
.nav-cta {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark)) !important;
  color: var(--navy) !important;
  font-weight: 700 !important;
  padding: 8px 20px !important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(200,168,90,0.4); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--t-fast);
}
.navbar.scrolled .nav-toggle span { background: var(--navy); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, #0d1b3e 0%, #1a2f6e 40%, #0e2244 70%, #0a1530 100%);
}
/* decorative geometric pattern */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(200,168,90,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(58,123,189,0.2) 0%, transparent 50%),
    repeating-linear-gradient(
      60deg,
      transparent,
      transparent 60px,
      rgba(255,255,255,0.012) 60px,
      rgba(255,255,255,0.012) 61px
    );
}
.hero-bg::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to top, rgba(10,21,48,0.6), transparent);
}
.hero-overlay { position: absolute; inset: 0; }

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  padding: 0 var(--container-pad);
  padding-top: 72px;
}
.hero-eyebrow {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s 0.3s forwards;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.8s 0.5s forwards;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.78);
  line-height: 1.9;
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeUp 0.8s 0.7s forwards;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.9s forwards;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  animation: fadeIn 1s 1.5s forwards;
  opacity: 0;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.4);
  border-bottom: 2px solid rgba(255,255,255,0.4);
  transform: rotate(45deg);
  animation: bounce 1.5s infinite;
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background: var(--navy);
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 16px;
  border-right: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.03em;
}

/* ============================================
   ABOUT
   ============================================ */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.about-text .lead {
  font-size: 1.15rem;
  color: var(--gray-800);
  line-height: 1.85;
  margin-bottom: 32px;
}
.connections { display: flex; flex-direction: column; gap: 14px; }
.conn-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--off-white);
  border-radius: var(--r-sm);
  border-left: 3px solid var(--gold);
  transition: var(--t-fast);
}
.conn-item:hover { background: #f0ece0; transform: translateX(4px); }
.conn-icon { font-size: 1.4rem; flex-shrink: 0; }
.conn-text { font-size: 0.95rem; font-weight: 500; color: var(--navy-mid); }

.vision-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--r-md);
  padding: 32px;
  margin-bottom: 28px;
  color: var(--white);
}
.vision-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--gold-light);
  margin-bottom: 12px;
}
.vision-card p { color: rgba(255,255,255,0.85); line-height: 1.8; }
.vision-card em { font-style: italic; color: var(--gold-light); }

.founders h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 16px;
}
.founder-card {
  display: flex;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--gray-200);
  border-radius: var(--r-sm);
  margin-bottom: 14px;
  transition: var(--t-fast);
}
.founder-card:hover { box-shadow: var(--shadow-sm); border-color: var(--gold); }
.founder-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  flex-shrink: 0;
}
.founder-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.founder-info strong { font-size: 0.95rem; color: var(--navy); }
.founder-info span { font-size: 0.85rem; color: var(--gray-600); }
.founder-info blockquote {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--gold-dark);
  border-left: 2px solid var(--gold);
  padding-left: 10px;
  margin-top: 6px;
}

.advantages { margin-top: 20px; }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.adv-card {
  padding: 28px 22px;
  border-radius: var(--r-md);
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  transition: var(--t-mid);
  text-align: center;
}
.adv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
  background: var(--white);
}
.adv-icon { font-size: 2.2rem; margin-bottom: 14px; }
.adv-card h4 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.adv-card p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.7; }

/* ============================================
   OPPORTUNITY
   ============================================ */
.opportunity {
  background: linear-gradient(160deg, var(--navy) 0%, #1e3a7a 50%, var(--navy-mid) 100%);
  position: relative;
  overflow: hidden;
}
.opportunity::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,168,90,0.1) 0%, transparent 70%);
}
.wave-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.wave-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-md);
  padding: 36px 28px;
  transition: var(--t-mid);
  position: relative;
  overflow: hidden;
}
.wave-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(200,168,90,0.05), transparent);
  opacity: 0;
  transition: var(--t-mid);
}
.wave-card:hover { border-color: rgba(200,168,90,0.4); transform: translateY(-4px); }
.wave-card:hover::before { opacity: 1; }
.wave-num {
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(200,168,90,0.2);
  line-height: 1;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}
.wave-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--gold-light); margin-bottom: 14px; }
.wave-card p { font-size: 0.9rem; color: rgba(255,255,255,0.72); line-height: 1.8; }

.methodology { text-align: center; }
.method-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
  margin-top: 30px;
}
.method-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  position: relative;
}
.step-circle {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(200,168,90,0.35);
}
.step-line {
  position: absolute;
  top: 44px;
  left: calc(50% + 44px);
  width: calc(100% - 88px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(200,168,90,0.3));
}
.step-line.hide { display: none; }
.method-step h4 { font-size: 1.05rem; font-weight: 700; color: var(--white); }
.method-step p { font-size: 0.88rem; color: rgba(255,255,255,0.7); line-height: 1.7; }

/* ============================================
   PRODUCTS
   ============================================ */
.products { background: var(--off-white); }
.product-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
  background: var(--gray-100);
  padding: 6px;
  border-radius: 50px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.tab-btn {
  flex: 1;
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: var(--t-fast);
}
.tab-btn.active {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 2px 12px rgba(26,39,68,0.25);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.product-hero-text {
  max-width: 780px;
  margin: 0 auto 40px;
  text-align: center;
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.85;
}
.product-hero-text strong { color: var(--navy); }

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.hl-card {
  background: var(--white);
  border-radius: var(--r-md);
  padding: 28px 22px;
  border: 1px solid var(--gray-200);
  transition: var(--t-mid);
  text-align: center;
}
.hl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.hl-icon { font-size: 2rem; margin-bottom: 12px; display: block; }
.hl-card h4 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.hl-card p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.7; }

.itinerary-table-wrap { overflow-x: auto; margin-bottom: 24px; }
.itinerary-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.itinerary-table th {
  background: var(--navy);
  color: var(--white);
  padding: 14px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
}
.itinerary-table td {
  padding: 14px 20px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
}
.itinerary-table tr:last-child td { border-bottom: none; }
.itinerary-table tr:hover td { background: var(--off-white); }
.day { font-weight: 700; color: var(--gold-dark); white-space: nowrap; }
.tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(26,39,68,0.08);
  color: var(--navy);
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}

.audience-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-sm);
  padding: 14px 20px;
}

.career-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.career-card {
  background: var(--white);
  border-radius: var(--r-md);
  padding: 24px 18px;
  border: 1px solid var(--gray-200);
  transition: var(--t-mid);
  text-align: center;
}
.career-card:hover { border-color: var(--gold); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.career-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; line-height: 1.4; }
.career-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}
.career-meta span { font-size: 0.8rem; color: var(--gold-dark); font-weight: 500; }
.career-card p { font-size: 0.8rem; color: var(--gray-600); line-height: 1.6; }

.process-section { margin-bottom: 40px; }
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 36px 24px;
  box-shadow: var(--shadow-sm);
}
.process-step {
  flex: 1;
  text-align: center;
  padding: 0 10px;
}
.ps-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--gold);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}
.process-step h4 { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.process-step p { font-size: 0.82rem; color: var(--gray-600); line-height: 1.6; }
.ps-arrow {
  font-size: 1.4rem;
  color: var(--gold);
  margin-top: 12px;
  flex-shrink: 0;
}

.apply-conditions {
  background: var(--white);
  border-radius: var(--r-md);
  padding: 36px;
  border: 2px dashed var(--gold);
  text-align: center;
}
.cond-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 40px;
  max-width: 480px;
  margin: 0 auto;
}
.cond-list li {
  font-size: 0.95rem;
  color: var(--navy);
  text-align: left;
  font-weight: 500;
}

/* ============================================
   PARTNERS
   ============================================ */
.partners {
  background: linear-gradient(160deg, #0d1b3e 0%, #1a3060 100%);
}
.partner-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}
.ptab-btn {
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.2);
  transition: var(--t-fast);
}
.ptab-btn.active {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(200,168,90,0.35);
}
.ptab-btn:hover:not(.active) {
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
}

.ptab-panel { display: none; }
.ptab-panel.active { display: block; }
.ptab-intro {
  text-align: center;
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  margin-bottom: 32px;
  max-width: 660px;
  margin-left: auto;
  margin-right: auto;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pcard {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-md);
  padding: 28px 24px;
  transition: var(--t-mid);
  position: relative;
}
.pcard:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(200,168,90,0.4);
  transform: translateY(-4px);
}
.pcard-icon { font-size: 1.8rem; margin-bottom: 12px; display: block; }
.pcard h4 { font-size: 1rem; font-weight: 700; color: var(--gold-light); margin-bottom: 10px; }
.pcard p { font-size: 0.87rem; color: rgba(255,255,255,0.7); line-height: 1.7; margin-bottom: 14px; }
.star-level { font-size: 0.85rem; }

/* ============================================
   SERVICE GUARANTEE
   ============================================ */
.guarantee { background: var(--white); }
.service-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-bottom: 60px;
}
.service-timeline::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 50px;
  right: 50px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--accent));
}
.st-item {
  padding: 0 20px;
  padding-top: 50px;
  position: relative;
  text-align: center;
}
.st-dot {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--gold);
  z-index: 1;
}
.st-content h4 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.st-content ul { display: flex; flex-direction: column; gap: 7px; }
.st-content li { font-size: 0.83rem; color: var(--gray-600); line-height: 1.5; }

.guarantee-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gcard {
  background: var(--off-white);
  border-radius: var(--r-md);
  padding: 32px 28px;
  border: 1px solid var(--gray-200);
  transition: var(--t-mid);
  text-align: center;
}
.gcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--gold); }
.gcard-icon { font-size: 2.5rem; margin-bottom: 16px; display: block; }
.gcard h4 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.gcard p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.8; }

/* ============================================
   FAQ
   ============================================ */
.faq { background: var(--off-white); }
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.faq-cat {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}
.faq-item {
  margin-bottom: 12px;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.faq-q {
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: var(--t-fast);
}
.faq-q:hover { background: var(--off-white); }
.faq-q.open { color: var(--gold-dark); }
.faq-arrow { flex-shrink: 0; transition: transform var(--t-fast); font-size: 0.8rem; }
.faq-q.open .faq-arrow { transform: rotate(180deg); }
.faq-a {
  display: none;
  padding: 0 20px 18px;
}
.faq-a.show { display: block; }
.faq-a p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.85; }

/* ============================================
   CONTACT
   ============================================ */
.contact {
  background: linear-gradient(160deg, var(--navy) 0%, #243a7a 100%);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.cinfo-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--r-sm);
  border: 1px solid rgba(255,255,255,0.1);
}
.cinfo-icon { font-size: 1.5rem; flex-shrink: 0; }
.cinfo-item div { display: flex; flex-direction: column; gap: 4px; }
.cinfo-item strong { font-size: 0.85rem; color: var(--gold-light); font-weight: 600; }
.cinfo-item span { font-size: 0.95rem; color: rgba(255,255,255,0.85); }

.contact-form {
  background: rgba(255,255,255,0.97);
  border-radius: var(--r-lg);
  padding: 40px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--navy); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  color: var(--gray-800);
  transition: border-color var(--t-fast);
  background: var(--white);
  resize: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--gold); }
.form-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--gray-400);
  margin-top: 12px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 14px;
}
.footer-brand p { font-size: 0.88rem; line-height: 1.7; }
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.fl-col h5 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.fl-col ul { display: flex; flex-direction: column; gap: 10px; }
.fl-col li { font-size: 0.88rem; color: rgba(255,255,255,0.55); }
.fl-col a:hover { color: var(--gold-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-ba {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.ba-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  transition: var(--t-fast);
  white-space: nowrap;
}
.ba-link:hover {
  color: var(--gold-light);
}
.ba-badge {
  width: 16px;
  height: 16px;
  display: inline-block;
  flex-shrink: 0;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(5px); }
}

/* Intersection Observer animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .career-cards { grid-template-columns: repeat(3, 1fr); }
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-py: 70px; }

  /* Nav */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(10,10,10,0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--t-mid);
    pointer-events: none;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-links li a { color: rgba(255,255,255,0.9) !important; display: block; padding: 12px 16px; }
  .nav-cta { background: none !important; }

  /* Hero */
  .hero-title { font-size: 2.8rem; }
  .br-desk { display: none; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }

  /* Opportunity */
  .wave-grid { grid-template-columns: 1fr; }
  .method-steps { flex-direction: column; align-items: center; }
  .step-line { display: none; }

  /* Products */
  .product-tabs { max-width: 100%; flex-direction: column; border-radius: var(--r-md); }
  .tab-btn { border-radius: var(--r-sm); }
  .highlights-grid { grid-template-columns: 1fr 1fr; }
  .career-cards { grid-template-columns: repeat(2, 1fr); }
  .process-steps { flex-direction: column; align-items: center; }
  .ps-arrow { transform: rotate(90deg); margin: 0; }
  .cond-list { grid-template-columns: 1fr; }

  /* Partners */
  .partner-tabs { flex-direction: column; max-width: 280px; margin-left: auto; margin-right: auto; }
  .partner-grid { grid-template-columns: 1fr; }

  /* Guarantee */
  .service-timeline { grid-template-columns: 1fr; gap: 32px; }
  .service-timeline::before { display: none; }
  .st-item { padding-top: 0; padding-left: 48px; text-align: left; }
  .st-dot { top: 4px; left: 16px; }
  .guarantee-cards { grid-template-columns: 1fr; }

  /* FAQ */
  .faq-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-ba { justify-content: center; gap: 14px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: 1fr; }
  .career-cards { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 18px; }
}