/* ============================================
   乾远知产 ChanYond 官网样式 v2.0
   配色：深海蓝 Navy #0a1628-#1a3a5c / 烟金 #b8935a
   字体：Noto Serif SC (标题) + DM Sans (数字) + 系统无衬线 (正文)
   ============================================ */

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

:root {
  /* Navy 色阶 */
  --navy-950: #0a1628;
  --navy-900: #0d1f3c;
  --navy-800: #122b50;
  --navy-700: #1a3a5c;
  --navy-600: #2c5282;
  /* Gold 色阶 */
  --gold-500: #b8935a;
  --gold-400: #c9a76e;
  --gold-300: #d4b98a;
  --gold-100: #f5f0e6;
  --gold-50: #faf7f0;
  /* Gray 色阶 */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --white: #ffffff;
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(10,22,40,0.04);
  --shadow: 0 4px 12px rgba(10,22,40,0.06);
  --shadow-md: 0 8px 24px rgba(10,22,40,0.08);
  --shadow-lg: 0 16px 40px rgba(10,22,40,0.1);
  /* Spacing & Layout */
  --radius: 8px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--gray-800);
  line-height: 1.7;
  background: var(--white);
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

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

/* --- Typography --- */
h1, h2, h3 { font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif; }
h1 { font-size: 2.5rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h2 { font-size: 2rem; font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; font-weight: 600; line-height: 1.4; }
h4 { font-size: 1.25rem; font-weight: 600; line-height: 1.4; }
h5 { font-size: 1.1rem; font-weight: 600; }

.section-title {
  text-align: center;
  margin-bottom: 56px;
}
.section-title h2 {
  color: var(--navy-700);
  margin-bottom: 12px;
}
.section-title p {
  color: var(--gray-500);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}
.section-title .highlight {
  color: var(--gold-500);
}

/* --- SVG Icon Utility --- */
.icon-svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
}

.icon-svg-lg {
  width: 32px;
  height: 32px;
}

.icon-svg-xl {
  width: 40px;
  height: 40px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  gap: 8px;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--gold-500);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--gold-400);
  box-shadow: 0 8px 24px rgba(184,147,90,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-outline-navy {
  background: transparent;
  color: var(--navy-700);
  border: 2px solid var(--navy-700);
}
.btn-outline-navy:hover {
  background: var(--navy-700);
  color: var(--white);
}

.btn-gold-outline {
  background: transparent;
  color: var(--gold-500);
  border: 2px solid var(--gold-500);
}
.btn-gold-outline:hover {
  background: var(--gold-500);
  color: var(--white);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

/* Hero 页面导航栏透明态 */
.navbar.navbar-transparent {
  background: transparent;
  box-shadow: none;
}
.navbar.navbar-transparent .nav-links a {
  color: rgba(255,255,255,0.8);
}
.navbar.navbar-transparent .nav-links a:hover,
.navbar.navbar-transparent .nav-links a.active {
  color: var(--white);
}
.navbar.navbar-transparent .nav-logo {
  color: var(--white);
}
.navbar.navbar-transparent .nav-logo .logo-sub {
  color: rgba(255,255,255,0.6);
}
.navbar.navbar-transparent .nav-toggle span {
  background: var(--white);
}
/* 滚动后恢复白底 */
.navbar.navbar-scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px rgba(10,22,40,0.06);
}
.navbar.navbar-scrolled .nav-links a {
  color: var(--gray-600);
}
.navbar.navbar-scrolled .nav-links a:hover,
.navbar.navbar-scrolled .nav-links a.active {
  color: var(--navy-700);
}
.navbar.navbar-scrolled .nav-logo {
  color: var(--navy-700);
}
.navbar.navbar-scrolled .nav-logo .logo-sub {
  color: var(--gray-500);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy-700);
}

.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
}

/* Fallback for text logo-icon (if no image) */
.nav-logo .logo-icon-text {
  width: 40px;
  height: 40px;
  background: var(--navy-700);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-500);
  font-weight: 800;
  font-size: 1.1rem;
  font-family: "Noto Serif SC", serif;
}

.nav-logo .logo-sub {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray-500);
  display: block;
  margin-top: -2px;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--gray-600);
  font-weight: 500;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--navy-700);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold-500);
  border-radius: 1px;
}

.nav-cta {
  padding: 10px 24px !important;
  font-size: 0.9rem !important;
}
/* active 状态的 nav-cta 不显示下划线 */
.nav-links a.nav-cta.active::after {
  display: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  padding: 160px 0 96px;
  background: linear-gradient(165deg, var(--navy-950) 0%, var(--navy-800) 45%, var(--navy-700) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

/* CSS grid texture */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Gold radial glow */
.hero::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(184,147,90,0.06) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--gold-400);
  margin-bottom: 24px;
  text-transform: uppercase;
  font-weight: 500;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.3;
  font-family: "Noto Serif SC", "Source Han Serif SC", serif;
}

.hero-content h1 .highlight {
  color: var(--gold-400);
}

.hero-content .subtitle {
  font-size: 1.15rem;
  opacity: 0.8;
  margin-bottom: 12px;
}

.hero-content .tagline {
  font-size: 0.95rem;
  opacity: 0.55;
  margin-bottom: 40px;
}

.hero-content .tagline span {
  display: inline-block;
  margin: 0 10px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-stats {
  display: inline-flex;
  gap: 48px;
  margin-top: 64px;
  padding: 28px 48px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
}

.hero-stat .number {
  font-family: "DM Sans", -apple-system, sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold-400);
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.85rem;
  opacity: 0.6;
  margin-top: 6px;
}

/* --- Sections --- */
.section { padding: 96px 0; }
.section-alt { background: var(--gray-50); }

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Cards --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Level 1: Flat card */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--gold-300);
  box-shadow: var(--shadow);
}

/* Level 2: Float card (cases, advantages) */
.card-float {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.card-float:hover {
  border-left-color: var(--gold-500);
  box-shadow: var(--shadow-md);
}

/* Level 3: Heavy card (service cards) */
.card-heavy {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  border-top: 2px solid var(--gold-500);
  transition: var(--transition);
}
.card-heavy:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.card .card-icon,
.card-float .card-icon,
.card-heavy .card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--navy-700);
}

.card .card-icon.navy-light { background: rgba(26,58,92,0.06); }
.card .card-icon.gold-light { background: var(--gold-100); color: var(--gold-500); }
.card .card-icon.red { background: #fef2f2; color: #b91c1c; }
.card .card-icon.amber { background: #fffbeb; color: #92400e; }
.card .card-icon.blue { background: #eff6ff; color: var(--navy-700); }

.card h3,
.card-float h3,
.card-heavy h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  color: var(--gray-800);
}

.card p,
.card-float p,
.card-heavy p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.7;
}

.card .card-stat {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
  font-size: 0.85rem;
  color: var(--gold-500);
  font-weight: 600;
}

/* --- Advantages Section --- */
.advantage-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--gray-200);
}

.advantage-row:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.advantage-row.reverse { direction: rtl; }
.advantage-row.reverse > * { direction: ltr; }

.advantage-content .tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--gold-100);
  color: var(--gold-500);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.advantage-content h3 {
  color: var(--navy-700);
  margin-bottom: 16px;
  font-size: 1.4rem;
}

.advantage-content p {
  color: var(--gray-600);
  margin-bottom: 16px;
}

.advantage-content ul {
  margin-top: 12px;
}

.advantage-content ul li {
  padding: 6px 0 6px 28px;
  position: relative;
  color: var(--gray-600);
}

.advantage-content ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-500);
  opacity: 0.6;
}

.advantage-visual {
  border-radius: var(--radius-lg);
  min-height: 280px;
  overflow: hidden;
  position: relative;
}

.advantage-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
  border-radius: var(--radius-lg);
  transition: transform 0.5s ease;
}

.advantage-visual:hover img {
  transform: scale(1.03);
}

/* Fallback when no image */
.advantage-visual.placeholder {
  background: var(--gray-50);
  padding: 40px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-100);
}

.advantage-visual .visual-icon {
  color: var(--navy-700);
  margin-bottom: 16px;
}

.advantage-visual .visual-title {
  font-size: 1.1rem;
  color: var(--navy-700);
  font-weight: 600;
  font-family: "Noto Serif SC", serif;
}

.advantage-visual .visual-desc {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-top: 8px;
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
  padding: 64px 0;
}

.stat-item .stat-number {
  font-family: "DM Sans", -apple-system, sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--navy-700);
  line-height: 1;
}

.stat-item .stat-number span {
  font-size: 1.5rem;
  color: var(--gold-500);
}

.stat-item .stat-label {
  font-size: 0.95rem;
  color: var(--gray-500);
  margin-top: 8px;
}

.stat-item .stat-note {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 4px;
}

/* --- Urgency Section --- */
.urgency-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.urgency-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border-top: 2px solid var(--gold-500);
  transition: var(--transition);
}

.urgency-item:hover {
  box-shadow: var(--shadow-md);
}

.urgency-item .urgency-icon {
  margin-bottom: 12px;
  color: var(--gold-500);
}

.urgency-item h4 {
  color: var(--navy-700);
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.urgency-item p {
  color: var(--gray-600);
  font-size: 0.9rem;
}

/* --- Guarantee Section --- */
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.guarantee-item {
  text-align: center;
  padding: 28px 16px;
}

.guarantee-item .guarantee-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--gold-50);
  border: 1px solid var(--gold-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-500);
}

.guarantee-item h4 {
  color: var(--navy-700);
  margin-bottom: 8px;
  font-size: 1rem;
}

.guarantee-item p {
  color: var(--gray-600);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
  color: var(--white);
  text-align: center;
  padding: 120px 24px;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.cta-banner .container {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  margin-bottom: 12px;
  font-family: "Noto Serif SC", serif;
}

.cta-banner p {
  opacity: 0.7;
  font-size: 1.1rem;
  margin-bottom: 36px;
}

.cta-banner .btn {
  font-size: 1.1rem;
  padding: 16px 44px;
}

/* --- FAQ --- */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--gold-500);
  box-shadow: 0 4px 12px rgba(184,147,90,0.08);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--gray-800);
  transition: var(--transition);
  background: var(--white);
}

.faq-question:hover { color: var(--navy-700); }

.faq-question .arrow {
  transition: var(--transition);
  font-size: 0.8rem;
  color: var(--gray-400);
}

.faq-item.active .faq-question .arrow {
  transform: rotate(180deg);
  color: var(--gold-500);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--gray-600);
  line-height: 1.8;
}

.faq-answer p { margin-bottom: 12px; }
.faq-answer p:last-child { margin-bottom: 0; }
.faq-answer ul { margin: 12px 0; padding-left: 20px; }
.faq-answer li { margin-bottom: 6px; position: relative; }
.faq-answer li::marker { color: var(--gold); }
.faq-answer strong { color: var(--navy-800); font-weight: 600; }
.faq-answer .faq-highlight {
  display: inline-block;
  background: var(--gold-50, #faf6ef);
  border-left: 3px solid var(--gold);
  padding: 8px 14px;
  margin-top: 10px;
  border-radius: 0 6px 6px 0;
  font-size: 0.92em;
  color: var(--navy-800);
}

.faq-item.active .faq-answer {
  padding: 0 24px 24px;
  max-height: 1200px;
}

/* --- Case Cards --- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  border-left: 3px solid transparent;
  transition: var(--transition);
}

.case-card:hover {
  border-left-color: var(--gold-500);
  box-shadow: var(--shadow-md);
}

.case-card .case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--gold-100);
  color: var(--gold-500);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.case-card h3 {
  color: var(--navy-700);
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.case-card .case-meta {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-bottom: 16px;
  line-height: 1.8;
}

.case-card .case-result {
  padding: 16px;
  background: var(--gray-50);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--gray-700);
  border-left: 3px solid var(--gold-500);
}

.case-card .case-quote {
  margin-top: 16px;
  font-style: italic;
  color: var(--gray-500);
  font-size: 0.9rem;
  padding-left: 16px;
  border-left: 2px solid var(--gray-200);
}

/* --- Client Logo Wall --- */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}

.logo-wall-item {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.logo-wall-item:hover {
  border-color: var(--gold-300);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.logo-wall-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  opacity: 0.55;
  transition: var(--transition);
  filter: grayscale(100%);
}

.logo-wall-item:hover img {
  opacity: 0.9;
  filter: grayscale(0%);
}

/* Dark background variant */
.section-dark .logo-wall-item {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
}
.section-dark .logo-wall-item:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(184,147,90,0.3);
}
.section-dark .logo-wall-item img {
  filter: brightness(0) invert(1);
  opacity: 0.5;
}
.section-dark .logo-wall-item:hover img {
  opacity: 0.9;
  filter: brightness(0) invert(1);
}

/* --- Brand Gallery --- */
.brand-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.brand-gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  transition: var(--transition);
}

.brand-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.brand-gallery-item:hover img {
  transform: scale(1.05);
}

.brand-gallery-item:hover {
  box-shadow: var(--shadow-lg);
}

/* --- QR Code Block --- */
.qrcode-block {
  text-align: center;
  padding: 20px;
}

.qrcode-block img {
  width: 140px;
  height: 140px;
  border-radius: var(--radius);
  margin-bottom: 8px;
}

.qrcode-block p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* Footer QR */
.footer-qr {
  text-align: center;
}
.footer-qr img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius);
  background: var(--white);
  padding: 4px;
}
.footer-qr p {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 8px;
}

/* --- Service Detail --- */
.service-section {
  padding: 64px 0;
}

.service-section.section-alt { background: var(--gray-50); }

.service-section h3 {
  color: var(--navy-700);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold-500);
  display: inline-block;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.service-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--gray-50);
  border-radius: var(--radius);
  transition: var(--transition);
}

.service-item:hover {
  background: var(--white);
  box-shadow: var(--shadow);
}

.service-item .service-icon {
  font-size: 1.3rem;
  min-width: 28px;
}

.service-item .service-name {
  font-weight: 500;
  color: var(--gray-700);
}

/* --- Service Cards (services page) --- */
.service-list.service-cards {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.service-list.service-cards .service-item {
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  border-top: 2px solid var(--gold-500);
  box-shadow: var(--shadow-sm);
}

.service-list.service-cards .service-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-300);
  border-top-color: var(--gold-500);
}

.service-list.service-cards .service-icon {
  font-size: 2.2rem;
  margin-bottom: 4px;
  min-width: auto;
}

/* Country badge (replace emoji flags) */
.country-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy-700);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.country-badge.us { background: #1a3a5c; }
.country-badge.eu { background: #003399; }
.country-badge.uk { background: #1d2b53; }
.country-badge.jp { background: #8b0000; }
.country-badge.kr { background: #003478; }
.country-badge.au { background: #00477e; }
.country-badge.cn { background: #c41e3a; }
.country-badge.intl { background: var(--navy-800); }

.service-list.service-cards .service-item h4 {
  font-size: 1.05rem;
  color: var(--navy-700);
  margin-bottom: 8px;
}

.service-list.service-cards .service-desc {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 16px;
  min-height: 20px;
}

.service-list.service-cards .btn {
  padding: 8px 20px;
  font-size: 0.85rem;
  margin-top: auto;
}

.service-note {
  margin-top: 28px;
  padding: 16px 24px;
  background: var(--gold-50);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--gray-700);
  font-size: 0.95rem;
}

.service-note p { margin: 0; }

/* --- Process Flow --- */
.process-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.process-step {
  padding: 20px 12px;
  text-align: center;
  flex: 0 0 auto;
}

.process-number {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  background: var(--navy-700);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  font-family: "DM Sans", sans-serif;
}

.process-step h4 {
  color: var(--navy-700);
  font-size: 0.95rem;
}

.process-arrow {
  display: flex;
  align-items: center;
  padding-top: 12px;
  font-size: 1.4rem;
  color: var(--gold-500);
  font-weight: 700;
}

/* --- About Page --- */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-story .story-content h2 {
  color: var(--navy-700);
  margin-bottom: 24px;
}

.about-story .story-content p {
  color: var(--gray-600);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.founder-card {
  background: linear-gradient(165deg, var(--navy-950), var(--navy-800));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}

/* Gold accent line on left */
.founder-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 3px;
  background: var(--gold-500);
  border-radius: 0 2px 2px 0;
}

.founder-card .founder-avatar {
  width: 72px;
  height: 72px;
  background: rgba(184,147,90,0.15);
  border: 1px solid rgba(184,147,90,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--gold-400);
}

.founder-card h3 {
  color: var(--gold-400);
  margin-bottom: 20px;
  font-family: "Noto Serif SC", serif;
}

.founder-card .founder-creds {
  margin-bottom: 24px;
}

.founder-card .founder-creds li {
  padding: 6px 0 6px 24px;
  position: relative;
  font-size: 0.95rem;
  opacity: 0.9;
}

.founder-card .founder-creds li::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-500);
}

.founder-card .founder-quote {
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-style: italic;
  opacity: 0.75;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Timeline --- */
.timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
  padding-left: 32px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -37px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold-500);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--gold-500);
}

.timeline-item .year {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-500);
  margin-bottom: 4px;
  font-family: "DM Sans", sans-serif;
}

.timeline-item h4 {
  color: var(--navy-700);
  margin-bottom: 4px;
}

.timeline-item p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-info-card h3 {
  color: var(--navy-700);
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item .contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  color: var(--gold-500);
}

.contact-item h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.contact-item p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(184,147,90,0.1);
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand .nav-logo .logo-icon {
  background: none;
  filter: brightness(10);
}
.footer-brand .nav-logo span { color: var(--white); }
.footer-brand .nav-logo .logo-sub { color: var(--gray-500); }

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-col ul li { margin-bottom: 10px; }

.footer-col ul li a {
  color: var(--gray-400);
  font-size: 0.9rem;
}

.footer-col ul li a:hover { color: var(--gold-400); }

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding: 130px 0 52px;
  background: linear-gradient(165deg, var(--navy-950), var(--navy-800));
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.page-header h1 {
  font-size: 2.2rem;
  margin-bottom: 12px;
  position: relative;
  font-family: "Noto Serif SC", serif;
}

.page-header p {
  opacity: 0.7;
  font-size: 1.1rem;
  position: relative;
}

/* --- Mobile Bottom CTA --- */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  background: var(--white);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
}

.mobile-cta .btn {
  width: 100%;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .urgency-grid { grid-template-columns: repeat(2, 1fr); }
  .guarantee-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .service-list.service-cards { grid-template-columns: repeat(3, 1fr); }
  .logo-wall { grid-template-columns: repeat(4, 1fr); }
  .brand-gallery { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .section { padding: 72px 0; }

  /* Full-screen overlay menu */
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--navy-950);
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 0;
    z-index: 998;
  }
  .nav-links.open { display: flex; }
  .nav-links.open a {
    color: rgba(255,255,255,0.8) !important;
    font-size: 1.2rem;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-links.open a:hover,
  .nav-links.open a.active {
    color: var(--gold-400) !important;
  }
  .nav-links.open a.active::after {
    display: none;
  }
  .nav-links.open .btn.nav-cta {
    margin-top: 24px;
    background: var(--gold-500);
    color: var(--white) !important;
    border: none;
    text-align: center;
    justify-content: center;
  }
  .nav-toggle { display: flex; z-index: 999; position: relative; }

  .hero { padding: 140px 0 80px; }
  .hero .container { max-width: 100%; }
  .hero-content h1 { font-size: 2.2rem; }
  .hero-stats {
    flex-direction: row;
    gap: 24px;
    padding: 20px 24px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero-stat .number { font-size: 1.8rem; }

  .cards-grid { grid-template-columns: 1fr; }
  .advantage-row { grid-template-columns: 1fr; gap: 24px; }
  .advantage-row.reverse { direction: ltr; }
  .stats-row { grid-template-columns: 1fr; gap: 32px; }
  .urgency-grid { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .brand-gallery { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .about-story { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .process-arrow { display: none; }
  .process-flow { justify-content: center; gap: 0; }
  .process-step { flex: 0 0 33.33%; }
  .service-list.service-cards { grid-template-columns: repeat(2, 1fr); }

  /* CTA Banner mobile */
  .cta-banner { padding: 80px 24px; }

  /* Show mobile bottom CTA */
  .mobile-cta { display: block; }

  /* Guarantee horizontal scroll */
  .guarantee-grid {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 8px;
  }
  .guarantee-item {
    flex: 0 0 160px;
    scroll-snap-align: start;
  }
}