/* ===========================
   东昂科技 官网 Design System
   编辑说明：修改 :root 变量即可全局调色
   =========================== */

:root {
  --orange:       #E84D00;   /* C0 M77 Y100 K0 精确换算 */
  --orange-light: #FF6A1A;   /* 提亮 +饱和，去掉原来偏粉的红 */
  --orange-dark:  #BF3D00;   /* 压暗同色相，纯暗橙红 */
  --navy:         #3D4D6A;   /* 不变 */
  --navy-dark:    #2A3650;   /* 不变 */
  --navy-light:   #4E6080;   /* 不变 */
  --white:        #FFFFFF;   /* 不变 */
  --bg-light:     #F6F5F3;   /* 微调：从冷灰偏向暖米，与新橙色更协调 */
  --text-dark:    #1E2433;   /* 不变 */
  --text-mid:     #4A5568;   /* 不变 */
  --text-light:   #8899AA;   /* 不变 */
  --border:       #E2E8F0;   /* 不变 */
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:    0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg:    0 20px 60px rgba(0,0,0,0.15);
  --radius:       6px;
  --radius-lg:    12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---- Typography ---- */
.section-eyebrow {
  display: inline-block;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--navy-dark);
  line-height: 1.3;
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-mid);
  max-width: 640px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}
.text-center { text-align: center; }
.divider { width: 48px; height: 4px; background: var(--orange); border-radius: 2px; margin-bottom: 1.5rem; }

/* ---- Layout ---- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 2rem; }
section { padding: 5rem 0; }
section.bg-light { background: var(--bg-light); }
section.bg-navy  { background: var(--navy-dark); }

/* Fade-in */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }
.fade-up:nth-child(5) { transition-delay: 0.32s; }
.fade-up:nth-child(6) { transition-delay: 0.40s; }
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ================================
   NAVBAR
   ================================ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s;
}
#navbar.scrolled {
  background: rgba(30, 40, 60, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
  backdrop-filter: blur(10px);
}
.nav-inner {
  display: flex; align-items: center;
  justify-content: flex-start; height: 70px; gap: 2rem;
}
.nav-inner ul.nav-links { margin-left: auto; }
.nav-inner a.nav-cta { flex-shrink: 0; }
.nav-logo {
  display: flex; align-items: center; gap: 0.75rem;
}
.logo-mark {
  width: 44px; height: 44px;
  background: var(--orange);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 900; color: white;
  font-style: italic; letter-spacing: -2px; flex-shrink: 0;
}
.nav-logo .logo-text .cn { font-size: 1rem; font-weight: 800; color: white; display: block; line-height: 1.2; }
.nav-logo .logo-text .en { font-size: 0.62rem; color: rgba(255,255,255,0.5); letter-spacing: 0.04em; }
.nav-links { display: flex; gap: 1.6rem; align-items: center; flex-wrap: nowrap; }
.nav-links a {
  color: rgba(255,255,255,0.82); font-size: 0.875rem; font-weight: 500;
  transition: color 0.2s; position: relative; 
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--orange);
  transform: scaleX(0); transition: transform 0.2s;
}
.nav-links a:hover { color: white; }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta {
  background: var(--orange) !important; color: white !important;
  padding: 0.45rem 1.1rem; border-radius: var(--radius);
  font-weight: 700 !important;
}
.nav-cta:hover { background: var(--orange-dark) !important; }
.nav-cta::after { display: none !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: white; border-radius: 2px; transition: 0.3s; }

/* ================================
   HERO
   ================================ */
#hero {
  position: relative; min-height: 100vh;
  background: linear-gradient(135deg, #0D1520 0%, #1A2540 50%, var(--navy-dark) 100%);
  display: flex; align-items: center; overflow: hidden; padding-top: 70px;
}
#hero::before {
  content: ''; position: absolute; top: 0; right: 0;
  width: 60%; height: 100%;
  background: linear-gradient(135deg, transparent 25%, rgba(232,77,28,0.06) 100%);
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
}
#hero::after {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 36px 36px; pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
  padding-top: 2rem; padding-bottom: 2rem;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(232,77,28,0.12); border: 1px solid rgba(232,77,28,0.3);
  border-radius: 100px; padding: 0.35rem 1rem;
  font-size: 0.78rem; color: var(--orange-light); font-weight: 600;
  letter-spacing: 0.04em; margin-bottom: 1.5rem;
}
.hero-badge .dot {
  width: 7px; height: 7px; background: var(--orange);
  border-radius: 50%; animation: pulse 2s infinite; flex-shrink: 0;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.75); }
}
.hero-title {
  font-size: clamp(2rem, 3.8vw, 3.2rem); font-weight: 900;
  color: white; line-height: 1.2; margin-bottom: 1.25rem;
}
.hero-title em { font-style: normal; color: var(--orange); }
.hero-desc { color: rgba(255,255,255,0.68); font-size: 0.97rem; line-height: 1.9; margin-bottom: 2rem; }
.hero-desc strong { color: rgba(255,255,255,0.9); }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.btn-primary {
  background: var(--orange); color: white;
  padding: 0.85rem 2rem; border-radius: var(--radius);
  font-weight: 700; font-size: 0.95rem;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  display: inline-flex; align-items: center; gap: 0.4rem;
  box-shadow: 0 4px 20px rgba(232,77,28,0.35);
}
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,77,28,0.45); }
.btn-outline {
  border: 1.5px solid rgba(255,255,255,0.28); color: white;
  padding: 0.85rem 2rem; border-radius: var(--radius);
  font-weight: 600; font-size: 0.95rem;
  transition: border-color 0.2s, background 0.2s;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.btn-outline:hover { border-color: white; background: rgba(255,255,255,0.07); }
.hero-trust {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  font-size: 0.8rem; color: rgba(255,255,255,0.5);
}
.hero-trust span { display: flex; align-items: center; gap: 0.3rem; }

/* Hero stats */
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stat-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 1.5rem;
  transition: background 0.2s;
}
.stat-card:hover { background: rgba(255,255,255,0.1); }
.stat-card.accent {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  border-color: transparent;
}
.stat-card .num {
  font-size: 2.2rem; font-weight: 900; color: white; line-height: 1;
}
.stat-card .num span { color: var(--orange); }
.stat-card.accent .num span { color: rgba(255,255,255,0.8); }
.stat-card .label { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: 0.4rem; }

/* Hero float card */
.hero-float-card {
  margin-top: 1rem;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg); padding: 1.25rem 1.5rem;
}
.hf-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.hf-icon { font-size: 1.75rem; }
.hf-title { font-size: 0.95rem; font-weight: 700; color: white; }
.hf-sub { font-size: 0.75rem; color: rgba(255,255,255,0.5); }
.hf-badge {
  margin-left: auto; background: var(--orange); color: white;
  font-size: 0.72rem; font-weight: 700; padding: 0.2rem 0.6rem;
  border-radius: 100px;
}
.hf-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.hf-tags span {
  background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.75);
  font-size: 0.75rem; padding: 0.25rem 0.6rem; border-radius: 100px;
}

/* Scroll hint */
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  color: rgba(255,255,255,0.35); font-size: 0.72rem; z-index: 2;
  animation: floatY 2.2s ease-in-out infinite;
}
.scroll-hint .arrow {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.35), transparent);
}
@keyframes floatY {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(7px); }
}

/* ================================
   TICKER BAR
   ================================ */
.ticker-bar {
  background: var(--navy-dark); overflow: hidden;
  padding: 0.7rem 0; border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 3px solid var(--orange);
}
.ticker-inner {
  display: inline-flex; gap: 2.5rem; white-space: nowrap;
  animation: ticker 28s linear infinite;
}
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker-inner span { font-size: 0.82rem; color: rgba(255,255,255,0.7); font-weight: 500; }
.ticker-inner .sep { color: var(--orange); }

/* ================================
   ABOUT
   ================================ */
#about .about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.about-card-main {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  border-radius: var(--radius-lg); padding: 2.5rem;
  color: white; position: relative; overflow: hidden;
}
.about-card-main::before {
  content: 'DA'; position: absolute; right: -1rem; bottom: -2rem;
  font-size: 9rem; font-weight: 900; font-style: italic;
  color: rgba(255,255,255,0.04); line-height: 1; pointer-events: none;
}
.company-name { font-size: 1.2rem; font-weight: 800; margin-bottom: 0.2rem; }
.company-en { font-size: 0.7rem; opacity: 0.45; letter-spacing: 0.04em; margin-bottom: 1.25rem; }
.about-tag {
  display: inline-block; background: var(--orange); color: white;
  font-size: 0.72rem; font-weight: 700; padding: 0.25rem 0.75rem;
  border-radius: 100px; margin-bottom: 1rem;
}
.about-card-main p { font-size: 0.88rem; line-height: 1.85; opacity: 0.82; }
.founder-badge {
  position: absolute; bottom: -1.5rem; right: 2rem;
  background: white; border-radius: var(--radius-lg);
  padding: 1rem 1.5rem; box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 1rem; min-width: 190px;
}
.founder-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.2rem; font-weight: 800; flex-shrink: 0;
}
.founder-badge .name { font-weight: 700; font-size: 0.9rem; color: var(--navy-dark); }
.founder-badge .title-text { font-size: 0.72rem; color: var(--text-light); }
.about-text { padding-top: 2.5rem; }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.highlight-item {
  background: var(--bg-light); border-radius: var(--radius);
  padding: 1.25rem; border-left: 3px solid var(--orange);
}
.highlight-item .num { font-size: 1.7rem; font-weight: 900; color: var(--navy-dark); line-height: 1; }
.highlight-item .num em { color: var(--orange); font-style: normal; }
.highlight-item .desc { font-size: 0.78rem; color: var(--text-mid); margin-top: 0.25rem; }

/* ================================
   TIMELINE (vertical)
   ================================ */
#timeline { background: var(--navy-dark); }
#timeline .section-title { color: white; }
#timeline .section-subtitle { color: rgba(255,255,255,0.5); }

.tl-wrapper-h {
  position: relative; margin: 2.5rem auto 0; padding: 1rem 0 0.5rem;
  overflow-x: auto; overflow-y: visible;
  scrollbar-width: none;
}
.tl-wrapper-h::-webkit-scrollbar { display: none; }

.tl-track {
  position: relative; display: flex; justify-content: space-between;
  width: 100%; min-width: 760px; padding: 0 1rem;
}
.tl-col { flex: 1 1 0; min-width: 120px; max-width: 180px; display: flex; flex-direction: column; align-items: center; }
.tl-above, .tl-below {
  width: 100%; height: 148px; display: flex; flex-direction: column; align-items: center;
}
.tl-above { justify-content: flex-end; }
.tl-below { justify-content: flex-start; }

.tl-marker-row {
  position: relative; width: 100%; height: 14px;
  display: flex; align-items: center; justify-content: center;
}
.tl-marker-row::before {
  content: ''; position: absolute; left: -1px; right: -1px; top: 50%;
  height: 4px; transform: translateY(-50%);
  background: linear-gradient(90deg, rgba(232,77,28,0.55), var(--orange) 15%, var(--orange) 85%, rgba(232,77,28,0.55));
  box-shadow: 0 0 10px rgba(232,77,28,0.45);
}
.tl-col:first-child .tl-marker-row::before { left: 50%; border-radius: 4px 0 0 4px; }
.tl-col:last-child .tl-marker-row::before { right: 50%; border-radius: 0 4px 4px 0; }
.tl-marker {
  position: relative; z-index: 3;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--orange); border: 3px solid var(--navy-dark);
  box-shadow: 0 0 0 4px rgba(232,77,28,0.22);
}

.tl-pin {
  position: relative; flex-shrink: 0;
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--orange);
  border: 3px solid rgba(255,255,255,0.15);
  color: white; font-weight: 800; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(232,77,28,0.45);
  z-index: 2;
  transition: transform 0.25s ease;
}
.tl-col:hover .tl-pin { transform: scale(1.06); }
.tl-pin.big { width: 84px; height: 84px; font-size: 1.1rem; }
.tl-above .tl-pin::after,
.tl-below .tl-pin::after {
  content: ''; position: absolute; left: 50%;
  width: 18px; height: 18px; background: inherit;
  transform: translateX(-50%) rotate(45deg);
  z-index: -1;
}
.tl-above .tl-pin::after { bottom: -8px; border-radius: 0 0 4px 0; }
.tl-below .tl-pin::after { top: -8px; border-radius: 4px 0 0 0; }

.tl-text { text-align: center; padding: 0 0.4rem; }
.tl-above .tl-text { margin-bottom: 0.6rem; }
.tl-below .tl-text { margin-top: 0.6rem; }
.tl-text h4 { font-size: 0.8rem; font-weight: 700; color: white; margin-bottom: 0.25rem; }
.tl-text p { font-size: 0.68rem; color: rgba(255,255,255,0.6); line-height: 1.5; }

/* ================================
   TEAM
   ================================ */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.team-card {
  background: white; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.team-card-header {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  padding: 2rem; text-align: center;
}
.team-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.team-card-header h3 { color: white; font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.team-num { font-size: 2rem; font-weight: 900; color: var(--orange); line-height: 1; }
.team-num span { font-size: 1.2rem; color: rgba(255,255,255,0.6); }
.team-card-body { padding: 1.5rem; }
.team-card-body p { font-size: 0.86rem; color: var(--text-mid); line-height: 1.8; }

/* RD Stats */
.rd-stats {
  display: flex; gap: 0; margin-top: 3rem;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  border-radius: var(--radius-lg); overflow: hidden;
}
.rd-item { flex: 1; padding: 2rem; text-align: center; }
.rd-div { width: 1px; background: rgba(255,255,255,0.1); margin: 1.5rem 0; }
.rd-num { font-size: 1.8rem; font-weight: 900; color: white; line-height: 1; }
.rd-num em { font-style: normal; color: var(--orange); font-size: 1rem; }
.rd-label { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: 0.35rem; }

/* Offices */
.offices-section { margin-top: 3rem; }
.offices-title {
  font-size: 0.82rem; font-weight: 700; color: var(--text-mid);
  text-align: center; letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 1rem;
}
.offices-map-wrap {
  display: block;
}
.offices-map {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.25rem;
  max-width: 900px; margin: 0 auto;
}
.cn-map-svg { width: 100%; height: auto; display: block; }
.cn-province { fill: #e3e8ee; stroke: #ffffff; stroke-width: 1.1; transition: fill 0.2s; }
.offices-map:hover .cn-province { fill: #dbe2ea; }
.client-line {
  fill: none;
  stroke: url(#lineGradient);
  stroke-width: 1;
  opacity: 0.55;
  stroke-linecap: round;
  stroke-dasharray: 3 4;
  animation: clientLineFlow 6s linear infinite;
}
@keyframes clientLineFlow {
  to { stroke-dashoffset: -70; }
}
@media (prefers-reduced-motion: reduce) {
  .client-line { animation: none; }
}
.client-dot-halo { fill: var(--orange); opacity: 0.14; }
.client-dot {
  fill: var(--orange-light); stroke: var(--orange); stroke-width: 0.8;
}
.client-city:hover .client-dot { fill: var(--orange); }
.client-city:hover .client-dot-halo { opacity: 0.28; }
.client-city:hover .client-line { opacity: 0.55; }
.pin-dot { fill: var(--orange); stroke: white; stroke-width: 1.5; filter: url(#pinGlow); }
.cn-pin.hq .pin-dot { fill: var(--orange); }
.pin-pulse {
  fill: var(--orange); opacity: 0.35;
  transform-box: fill-box; transform-origin: center;
  animation: pin-pulse 2.2s ease-out infinite;
}
@keyframes pin-pulse {
  0% { transform: scale(0.6); opacity: 0.45; }
  100% { transform: scale(1.9); opacity: 0; }
}
.pin-label {
  font-size: 13px; font-weight: 700; fill: var(--navy);
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
.cn-pin.hq .pin-label { fill: var(--orange-dark); font-weight: 800; }

/* ================================
   PRODUCT
   ================================ */
#product { background: var(--bg-light); }
.product-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, #1A2540 100%);
  border-radius: var(--radius-lg); padding: 3.5rem;
  color: white; display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 3rem; align-items: center; margin-bottom: 3rem;
  position: relative; overflow: hidden;
}
.product-hero::after {
  content: ''; position: absolute; right: -4rem; top: -4rem;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(232,77,28,0.12) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.product-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(232,77,28,0.18); border: 1px solid rgba(232,77,28,0.35);
  padding: 0.3rem 0.9rem; border-radius: 100px;
  font-size: 0.78rem; color: var(--orange-light); font-weight: 700;
  letter-spacing: 0.04em; margin-bottom: 1rem;
}
.product-hero-text h2 {
  font-size: clamp(1.4rem, 2.8vw, 2rem); font-weight: 900;
  margin-bottom: 1rem; line-height: 1.3;
}
.product-hero-text h2 em { font-style: normal; color: var(--orange); }
.product-hero-text p { color: rgba(255,255,255,0.72); font-size: 0.9rem; line-height: 1.85; margin-bottom: 1.25rem; }
.product-tags { display: flex; flex-direction: column; gap: 0.4rem; }
.product-tags span { font-size: 0.82rem; color: rgba(255,255,255,0.6); }

.product-key-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pks {
  background: rgba(255,255,255,0.07); border-radius: var(--radius);
  padding: 1.25rem; border: 1px solid rgba(255,255,255,0.1);
  text-align: center; transition: background 0.2s;
}
.pks:hover { background: rgba(255,255,255,0.12); }
.pks.accent { background: var(--orange); border-color: transparent; }
.pks-icon { font-size: 1.4rem; margin-bottom: 0.4rem; }
.pks .n { font-size: 1.7rem; font-weight: 900; color: white; line-height: 1; }
.pks .n em { font-style: normal; color: var(--orange); }
.pks.accent .n em { color: rgba(255,255,255,0.8); }
.pks .l { font-size: 0.73rem; color: rgba(255,255,255,0.5); margin-top: 0.3rem; }

.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.feature-card {
  background: white; border-radius: var(--radius-lg);
  padding: 1.5rem; box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s, border-top-color 0.2s;
  border-top: 3px solid transparent;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-top-color: var(--orange); }
.feature-icon { font-size: 1.8rem; margin-bottom: 0.75rem; }
.feature-card h4 { font-size: 0.92rem; font-weight: 700; color: var(--navy-dark); margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.8rem; color: var(--text-mid); line-height: 1.7; }

/* Target */
.target-section { margin-top: 3rem; }
.target-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.target-card {
  background: white; border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem; text-align: center;
  box-shadow: var(--shadow-sm); border-bottom: 3px solid transparent;
  transition: border-color 0.2s, transform 0.2s;
}
.target-card:hover { border-bottom-color: var(--orange); transform: translateY(-4px); }
.t-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.target-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--navy-dark); margin-bottom: 0.5rem; }
.target-card p { font-size: 0.8rem; color: var(--text-mid); line-height: 1.7; }

/* ================================
   SERVICE FLOW
   ================================ */
.flow-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; position: relative; margin-bottom: 3rem;
}
.flow-steps::before {
  content: ''; position: absolute;
  top: 2.5rem; left: 8%; right: 8%;
  height: 2px;
  background: linear-gradient(to right, var(--orange), rgba(232,77,28,0.2), var(--orange));
}
.flow-step {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 0 1rem; position: relative; z-index: 1;
}
.step-num {
  width: 64px; height: 64px; background: var(--orange); color: white;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 900; margin-bottom: 1.5rem;
  box-shadow: 0 4px 20px rgba(232,77,28,0.4); flex-shrink: 0;
  border: 3px solid var(--bg-light);
}
.step-content h4 { font-size: 0.95rem; font-weight: 700; color: var(--navy-dark); margin-bottom: 0.5rem; }
.step-content p { font-size: 0.8rem; color: var(--text-mid); line-height: 1.7; }

.service-promise {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  border-radius: var(--radius-lg); padding: 2.25rem 2.75rem;
  color: white; display: grid; grid-template-columns: auto 1fr;
  gap: 2rem; align-items: center; margin-bottom: 2.5rem;
}
.promise-icon { font-size: 2.75rem; }
.service-promise h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.6rem; }
.service-promise h3 em { font-style: normal; color: var(--orange); }
.service-promise p { color: rgba(255,255,255,0.68); font-size: 0.88rem; line-height: 1.8; }

.support-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.support-item {
  background: white; border-radius: var(--radius);
  padding: 1rem 0.75rem; text-align: center; border: 1.5px solid var(--border);
  font-size: 0.8rem; font-weight: 600; color: var(--navy);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  transition: border-color 0.2s, color 0.2s;
}
.support-item:hover { border-color: var(--orange); color: var(--orange); }
.s-icon { font-size: 1.4rem; }

/* ================================
   HONORS
   ================================ */
.honors-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.honor-card {
  background: white; border-radius: var(--radius-lg);
  padding: 2.5rem 2rem; text-align: center;
  box-shadow: var(--shadow-sm); border: 1.5px solid var(--border);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.honor-card:hover { border-color: var(--orange); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.honor-icon { font-size: 2.75rem; margin-bottom: 1rem; }
.honor-card h4 { font-size: 1rem; font-weight: 700; color: var(--navy-dark); margin-bottom: 0.35rem; }
.honor-cert {
  font-size: 0.73rem; color: var(--orange); font-weight: 600;
  margin-bottom: 0.75rem; background: rgba(232,77,28,0.08);
  padding: 0.2rem 0.6rem; border-radius: 100px; display: inline-block;
}
.honor-card p { font-size: 0.83rem; color: var(--text-mid); line-height: 1.75; }

.cert-list {
  margin-top: 3rem; background: var(--bg-light); border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
}
.cert-list-title {
  font-size: 0.9rem; font-weight: 700; color: var(--navy-dark);
  margin-bottom: 1.25rem; text-align: center;
}
.cert-items { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem; }
.cert-item {
  background: white; border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 0.75rem 1rem;
  font-size: 0.82rem; color: var(--navy); text-align: center;
  font-weight: 500;
}

/* ================================
   PARTNERS
   ================================ */
.partners-stat {
  display: flex; gap: 1.5rem; justify-content: center;
  margin-bottom: 2.5rem; flex-wrap: wrap;
}
.ps {
  background: white; border-radius: var(--radius-lg);
  padding: 1.5rem 2rem; text-align: center;
  box-shadow: var(--shadow-sm); border-left: 4px solid var(--orange);
  min-width: 140px;
}
.ps .n { font-size: 1.9rem; font-weight: 900; color: var(--navy-dark); line-height: 1; }
.ps .n em { font-style: normal; color: var(--orange); }
.ps .l { font-size: 0.78rem; color: var(--text-mid); margin-top: 0.3rem; }

.industry-tags {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  justify-content: center; margin-bottom: 2.5rem;
}
.industry-tags span {
  background: white; border: 1.5px solid var(--border);
  border-radius: 100px; padding: 0.3rem 0.9rem;
  font-size: 0.8rem; color: var(--navy); font-weight: 500;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  cursor: default;
}
.industry-tags span:hover { border-color: var(--orange); color: var(--orange); background: rgba(232,77,28,0.05); }

.partners-label {
  font-size: 0.8rem; font-weight: 700; color: var(--text-light);
  text-align: center; letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 1rem;
}
.partners-row {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.75rem;
}
.partner-logo {
  background: white; border: 1.5px solid var(--border);
  border-radius: var(--radius); height: 68px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem; font-weight: 700; color: var(--navy);
  text-align: center; padding: 0 0.75rem;
  transition: border-color 0.2s, color 0.2s, box-shadow 0.2s;
}
.partner-logo:hover { border-color: var(--orange); color: var(--orange); box-shadow: var(--shadow-sm); }

/* ================================
   CULTURE
   ================================ */
.culture-values {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.value-card {
  background: white; border-radius: var(--radius-lg);
  padding: 2rem 1.25rem; text-align: center;
  box-shadow: var(--shadow-sm); border: 1.5px solid var(--border);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.value-card:hover { transform: translateY(-4px); border-color: var(--orange); box-shadow: var(--shadow-md); }
.value-icon { font-size: 1.9rem; margin-bottom: 0.75rem; }
.value-card h4 { font-size: 1rem; font-weight: 800; color: var(--orange); margin-bottom: 0.5rem; }
.value-card p { font-size: 0.8rem; color: var(--text-mid); line-height: 1.7; }

.mvv-cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem; margin-top: 3rem;
}
.mvv-card {
  background: var(--bg-light); border-radius: var(--radius-lg);
  padding: 2rem; border: 1.5px solid var(--border);
  transition: border-color 0.2s;
}
.mvv-card.accent {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  border-color: transparent; color: white;
}
.mvv-card:not(.accent):hover { border-color: var(--orange); }
.mvv-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.mvv-card h4 { font-size: 1rem; font-weight: 700; color: var(--navy-dark); margin-bottom: 0.5rem; }
.mvv-card.accent h4 { color: white; }
.mvv-card p { font-size: 0.85rem; color: var(--text-mid); line-height: 1.8; }
.mvv-card.accent p { color: rgba(255,255,255,0.8); }

/* ================================
   SYSTEM / MISSION
   ================================ */
.system-layout {
  display: grid; grid-template-columns: 220px 1fr;
  gap: 2rem; align-items: center;
}
.sys-core {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  border-radius: var(--radius-lg); padding: 2.5rem 1.5rem;
  text-align: center; color: white;
}
.sys-core h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 0.5rem; }
.sys-core p { font-size: 0.8rem; opacity: 0.8; }
.sys-ring {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
.sys-module {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 1rem 0.75rem;
  color: rgba(255,255,255,0.82); font-size: 0.84rem; font-weight: 600;
  display: flex; align-items: center; gap: 0.6rem;
  transition: background 0.2s, border-color 0.2s;
  cursor: default;
}
.sys-module:hover { background: rgba(255,255,255,0.12); border-color: rgba(232,77,28,0.4); }
.m-icon { font-size: 1.2rem; flex-shrink: 0; }

/* ================================
   FAQ
   ================================ */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
  background: white; border-radius: var(--radius-lg);
  border: 1.5px solid var(--border); overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: rgba(232,77,28,0.3); }
.faq-item.open { border-color: var(--orange); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem; cursor: pointer;
  font-size: 0.95rem; font-weight: 700; color: var(--navy-dark);
  user-select: none; gap: 1rem;
}
.faq-arrow {
  font-size: 0.75rem; color: var(--orange); flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
}
.faq-item.open .faq-a { max-height: 300px; }
.faq-a p {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.88rem; color: var(--text-mid); line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

/* ================================
   CONTACT
   ================================ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 4rem; align-items: start;
}
.contact-info h3 { font-size: 1.4rem; font-weight: 800; color: var(--navy-dark); margin-bottom: 0.75rem; }
.contact-info > p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.8; margin-bottom: 2rem; }
.contact-items { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.ci { display: flex; align-items: flex-start; gap: 1rem; }
.ci-icon {
  width: 40px; height: 40px; background: var(--orange);
  border-radius: var(--radius); display: flex; align-items: center;
  justify-content: center; font-size: 1rem; flex-shrink: 0;
}
.ci-text .l { font-size: 0.72rem; color: var(--text-light); }
.ci-text .v { font-size: 0.9rem; font-weight: 600; color: var(--navy-dark); }

.qr-placeholder { display: flex; gap: 1rem; }
.qr-box {
  flex: 1; background: white; border-radius: var(--radius-lg);
  border: 1px solid var(--border); padding: 1.25rem 1rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.qr-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--orange); }
.qr-inner { text-align: center; }
.qr-img {
  width: 92px; height: 92px; object-fit: contain;
  padding: 6px; background: white; border: 1px solid var(--border);
  border-radius: var(--radius); margin: 0 auto;
}
.qr-label { font-size: 0.78rem; margin-top: 0.65rem; color: var(--text-mid); font-weight: 600; }

.contact-form {
  background: white; border-radius: var(--radius-lg);
  padding: 2.5rem; box-shadow: var(--shadow-md);
}
.contact-form h3 { font-size: 1.15rem; font-weight: 700; color: var(--navy-dark); margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-mid); margin-bottom: 0.4rem; }
.req { color: var(--orange); font-style: normal; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 0.7rem 0.9rem;
  font-size: 0.9rem; color: var(--text-dark);
  font-family: inherit; transition: border-color 0.2s;
  outline: none; background: white;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--orange); }
.form-group textarea { resize: vertical; min-height: 96px; }
.form-submit {
  width: 100%; background: var(--orange); color: white;
  border: none; padding: 0.9rem; border-radius: var(--radius);
  font-size: 0.98rem; font-weight: 700; cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  font-family: inherit; margin-top: 0.25rem;
}
.form-submit:hover { background: var(--orange-dark); transform: translateY(-1px); }
.form-note { font-size: 0.72rem; color: var(--text-light); text-align: center; margin-top: 0.75rem; }

/* ---- Slide-to-verify captcha ---- */
.slide-captcha-track {
  position: relative; width: 100%; height: 44px;
  background: var(--bg-light); border: 1.5px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  user-select: none; touch-action: none;
}
.slide-captcha-fill {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0;
  background: rgba(232,77,28,0.12);
  transition: width 0.15s ease, background 0.2s ease;
}
.slide-captcha-text {
  position: absolute; left: 0; right: 0; top: 0; bottom: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem; color: var(--text-light); font-weight: 600;
  pointer-events: none; letter-spacing: 0.02em;
}
.slide-captcha-handle {
  position: absolute; left: 0; top: 0;
  width: 44px; height: 44px; border-radius: var(--radius);
  background: var(--orange); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 700; cursor: grab;
  box-shadow: 0 4px 12px rgba(232,77,28,0.35);
  transition: background 0.2s ease, transform 0.1s ease;
  z-index: 2;
}
.slide-captcha-handle:active { cursor: grabbing; }
.slide-captcha-track.verified .slide-captcha-fill { width: 100% !important; background: rgba(42,122,76,0.15); }
.slide-captcha-track.verified .slide-captcha-handle { background: #2A7A4C; cursor: default; }
.slide-captcha-track.verified .slide-captcha-text { color: #2A7A4C; }
.slide-captcha-track.shake { animation: captchaShake 0.4s ease; }
@keyframes captchaShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(3px); }
}

/* ================================
   FOOTER
   ================================ */
footer { background: #0D1520; padding: 4rem 0 2rem; }
.footer-logo { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.footer-top {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem; padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08); margin-bottom: 2rem;
}
.footer-brand p { font-size: 0.83rem; color: rgba(255,255,255,0.45); line-height: 1.85; margin-bottom: 1rem; }
.footer-cert-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.footer-cert-badges span {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.55); font-size: 0.72rem; font-weight: 600;
  padding: 0.25rem 0.6rem; border-radius: 100px;
}
.footer-col h5 {
  font-size: 0.8rem; font-weight: 700; color: white; margin-bottom: 1.25rem;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.footer-col ul li { margin-bottom: 0.55rem; }
.footer-col ul li a {
  font-size: 0.83rem; color: rgba(255,255,255,0.45);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--orange); }
.footer-bottom {
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 1rem;
}
.footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.28); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.78rem; color: rgba(255,255,255,0.28); transition: color 0.2s; }
.footer-links a:hover { color: var(--orange); }

/* ================================
   BACK TO TOP
   ================================ */
#backTop {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 48px; height: 48px;
  background: var(--orange); color: white;
  border: none; border-radius: 50%;
  font-size: 1.2rem; font-weight: 700; cursor: pointer;
  box-shadow: 0 4px 20px rgba(232,77,28,0.4);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  opacity: 0; transform: translateY(12px);
  z-index: 999;
}
#backTop.show { opacity: 1; transform: translateY(0); }
#backTop:hover { background: var(--orange-dark); }

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 1080px) {
  .hero-content { grid-template-columns: 1fr; gap: 3rem; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .about-grid { grid-template-columns: 1fr !important; }
  .about-visual { order: -1; }
  .founder-badge { right: 1rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .target-grid { grid-template-columns: repeat(2, 1fr); }
  .support-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .system-layout { grid-template-columns: 1fr; }
  .sys-ring { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  section { padding: 3.5rem 0; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 70px; left: 0; right: 0;
    background: rgba(30,40,60,0.98); padding: 1.5rem 2rem;
    gap: 1.25rem; box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }
  .hamburger { display: flex; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .tl-track { min-width: 900px; }
  .tl-pin { width: 58px; height: 58px; font-size: 0.86rem; }
  .tl-pin.big { width: 66px; height: 66px; font-size: 0.94rem; }
  .team-grid { grid-template-columns: 1fr; }
  .rd-stats { flex-direction: column; }
  .rd-div { width: auto; height: 1px; margin: 0 1.5rem; }
  .offices-map { padding: 0.75rem; }
  .product-hero { grid-template-columns: 1fr; padding: 2rem; }
  .flow-steps { grid-template-columns: 1fr 1fr; }
  .flow-steps::before { display: none; }
  .honors-grid { grid-template-columns: 1fr; }
  .cert-items { grid-template-columns: repeat(2, 1fr); }
  .culture-values { grid-template-columns: 1fr 1fr; }
  .mvv-cards { grid-template-columns: 1fr; }
  .sys-ring { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .partners-row { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr 1fr; }
  .service-promise { grid-template-columns: 1fr; text-align: center; }
}
@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .features-grid, .target-grid { grid-template-columns: 1fr; }
  .culture-values { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .partners-stat { gap: 0.75rem; }
  .ps { padding: 1rem 1.25rem; }
  .support-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-items { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .partners-row { grid-template-columns: repeat(2, 1fr); }
}