:root {
  --bg: #f6f9ff;
  --bg-deep: #07111f;
  --primary: #1463ff;
  --primary-2: #00d4ff;
  --gold: #ffc15a;
  --text: #142033;
  --muted: #64748b;
  --line: rgba(20, 32, 51, 0.1);
  --card: rgba(255, 255, 255, 0.78);
  --white: #fff;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.16);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 5%, rgba(20, 99, 255, 0.12), transparent 34%),
    radial-gradient(circle at 86% 12%, rgba(0, 212, 255, 0.12), transparent 30%),
    var(--bg);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { padding-left: 20px; }

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section-padding { padding: 110px 0; }

.page-glow {
  position: fixed;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.28;
  z-index: -1;
  pointer-events: none;
}
.page-glow-1 { background: #1463ff; top: -130px; left: -160px; }
.page-glow-2 { background: #00d4ff; bottom: 12%; right: -180px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 99;
  backdrop-filter: blur(22px);
  background: rgba(246, 249, 255, 0.74);
  border-bottom: 1px solid rgba(255,255,255,.7);
}

.navbar {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}
.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--white);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 14px 32px rgba(20, 99, 255, 0.34);
}
.brand strong { display: block; font-size: 17px; letter-spacing: .02em; }
.brand em { display: block; font-style: normal; font-size: 11px; color: var(--muted); margin-top: 2px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  color: #26364f;
}
.nav-links a {
  position: relative;
  transition: color .2s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  padding: 12px 18px;
  border-radius: 999px;
  color: var(--primary);
  font-weight: 800;
  background: rgba(20, 99, 255, .09);
  border: 1px solid rgba(20, 99, 255, .14);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 14px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(15,23,42,.08);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
  border-radius: 10px;
}

.hero {
  position: relative;
  min-height: calc(100vh - 78px);
  display: flex;
  align-items: center;
  padding-top: 84px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 56px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 13px;
  margin: 0 0 18px;
}
.eyebrow span {
  width: 34px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  border-radius: 999px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(44px, 6vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.07em;
  color: #081426;
}
.hero-desc {
  max-width: 640px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
  margin: 26px 0 34px;
}
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  font-weight: 900;
  font-size: 15px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), #00a6ff);
  box-shadow: 0 18px 42px rgba(20, 99, 255, .32);
}
.btn-secondary {
  background: rgba(255,255,255,.76);
  color: var(--text);
  border: 1px solid rgba(20, 32, 51, .08);
  box-shadow: 0 12px 28px rgba(15,23,42,.08);
}
.hero-trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 560px;
  margin-top: 46px;
}
.hero-trust div {
  padding: 18px;
  background: rgba(255,255,255,.62);
  border: 1px solid rgba(255,255,255,.78);
  border-radius: 22px;
  box-shadow: 0 20px 40px rgba(15,23,42,.06);
}
.hero-trust strong { display: block; font-size: 28px; color: var(--primary); }
.hero-trust span { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; }

.hero-visual {
  position: relative;
  min-height: 580px;
  display: grid;
  place-items: center;
}
.dashboard-card {
  width: min(100%, 520px);
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(255,255,255,.84), rgba(255,255,255,.58));
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}
.dashboard-main {
  padding: 24px;
  transform: perspective(900px) rotateY(-7deg) rotateX(4deg);
}
.card-topline {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 26px;
}
.dot { width: 10px; height: 10px; border-radius: 999px; display: inline-block; }
.dot-blue { background: var(--primary); }
.dot-green { background: #22c55e; }
.dot-gold { background: var(--gold); }
.card-topline em { margin-left: auto; font-style: normal; }
.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.metric-row div {
  padding: 18px 14px;
  border-radius: 20px;
  background: rgba(8, 20, 38, .94);
  color: var(--white);
  overflow: hidden;
}
.metric-row small { color: rgba(255,255,255,.64); display: block; margin-bottom: 8px; }
.metric-row strong { font-size: 28px; }
.chart-bars {
  height: 220px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  padding: 30px 8px 20px;
}
.chart-bars i {
  width: 100%;
  height: var(--h);
  min-height: 34px;
  border-radius: 18px 18px 8px 8px;
  background: linear-gradient(180deg, var(--primary-2), var(--primary));
  box-shadow: inset 0 10px 24px rgba(255,255,255,.22), 0 14px 24px rgba(20,99,255,.18);
}
.flow-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.flow-list span {
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(20,99,255,.1);
  color: var(--primary);
  font-weight: 800;
  font-size: 12px;
}
.floating-card {
  position: absolute;
  width: 230px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 22px 54px rgba(15,23,42,.13);
  backdrop-filter: blur(18px);
  animation: float 4.8s ease-in-out infinite;
}
.floating-card strong { display: block; margin: 10px 0 5px; }
.floating-card small { color: var(--muted); line-height: 1.6; }
.icon-pill {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 16px;
  color: var(--white);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
}
.card-left { left: 0; bottom: 86px; }
.card-right { right: 0; top: 86px; animation-delay: .9s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

.logo-strip {
  padding: 22px 0;
  background: rgba(255,255,255,.58);
  border-top: 1px solid rgba(255,255,255,.8);
  border-bottom: 1px solid rgba(255,255,255,.8);
}
.logo-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  color: var(--muted);
}
.logo-strip b { color: #25344d; font-size: 15px; }

.section-head {
  max-width: 760px;
  margin-bottom: 54px;
}
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head h2 {
  margin: 0;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.05em;
}
.section-head p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.9;
  font-size: 17px;
}
.section-head.light h2, .section-head.light p:not(.eyebrow) { color: var(--white); }
.section-head.light p:not(.eyebrow) { opacity: .72; }

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.solution-card {
  position: relative;
  min-height: 420px;
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(255,255,255,.88);
  box-shadow: 0 22px 54px rgba(15,23,42,.08);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.solution-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 0, rgba(20,99,255,.14), transparent 36%);
  opacity: 0;
  transition: opacity .25s ease;
}
.solution-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.solution-card:hover::before { opacity: 1; }
.solution-card > * { position: relative; }
.solution-icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: #081426;
  color: var(--primary-2);
  font-weight: 900;
}
.solution-card h3 { font-size: 22px; margin: 28px 0 14px; }
.solution-card p, .solution-card li { color: var(--muted); line-height: 1.8; }
.solution-card ul { margin-top: 24px; }
.solution-card li { margin-bottom: 8px; }

.dark-panel {
  position: relative;
  background:
    radial-gradient(circle at 20% 20%, rgba(20, 99, 255, .32), transparent 30%),
    radial-gradient(circle at 90% 10%, rgba(0, 212, 255, .24), transparent 28%),
    #07111f;
  color: var(--white);
  overflow: hidden;
}
.dark-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 80%, transparent);
}
.dark-panel .container { position: relative; }
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}
.tab {
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.74);
  padding: 12px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
}
.tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: var(--white);
  border-color: transparent;
}
.tab-panels {
  border-radius: 34px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 30px 80px rgba(0,0,0,.24);
  overflow: hidden;
}
.tab-panel {
  display: none;
  grid-template-columns: 1.4fr .6fr;
  gap: 42px;
  padding: 42px;
}
.tab-panel.active { display: grid; }
.tab-panel h3 { margin: 0 0 16px; font-size: 30px; }
.tab-panel p { color: rgba(255,255,255,.72); line-height: 1.9; }
.tab-panel aside {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
}
.tab-panel aside b { color: var(--gold); }
.tag-list { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.tag-list span {
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.84);
  font-size: 13px;
  font-weight: 700;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.case-card {
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.88);
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(15,23,42,.08);
  transition: transform .25s ease;
}
.case-card:hover { transform: translateY(-8px); }
.case-image {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}
.case-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8,20,38,.3), rgba(20,99,255,.22));
}
.case-1 { background: radial-gradient(circle at 20% 20%, #93c5fd, transparent 24%), linear-gradient(135deg, #0f172a, #2563eb 48%, #7dd3fc); }
.case-2 { background: radial-gradient(circle at 80% 18%, #bbf7d0, transparent 24%), linear-gradient(135deg, #052e16, #0ea5e9 56%, #e0f2fe); }
.case-3 { background: radial-gradient(circle at 28% 20%, #fde68a, transparent 22%), linear-gradient(135deg, #111827, #7c3aed 56%, #67e8f9); }
.case-content { padding: 26px; }
.case-content span {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--primary);
  background: rgba(20,99,255,.1);
  font-weight: 800;
  font-size: 12px;
}
.case-content h3 { margin: 16px 0 10px; font-size: 22px; }
.case-content p { color: var(--muted); line-height: 1.8; margin-bottom: 0; }

.geo-section {
  background: linear-gradient(180deg, rgba(255,255,255,.54), rgba(236,244,255,.86));
}
.geo-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 54px;
  align-items: center;
}
.geo-copy h2 {
  margin: 0;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.15;
  letter-spacing: -0.05em;
}
.geo-copy p { color: var(--muted); line-height: 1.9; font-size: 17px; }
.geo-list { display: grid; gap: 14px; margin-top: 28px; }
.geo-list div {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px;
  border-radius: 18px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(255,255,255,.9);
}
.geo-list b { color: var(--primary); }
.geo-card {
  padding: 30px;
  border-radius: 34px;
  background: #081426;
  color: var(--white);
  box-shadow: 0 34px 90px rgba(8,20,38,.28);
  position: relative;
  overflow: hidden;
}
.geo-card::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  top: -170px;
  right: -130px;
  background: radial-gradient(circle, rgba(0,212,255,.42), transparent 64%);
}
.geo-card > * { position: relative; }
.search-box {
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.12);
}
.search-box span { color: rgba(255,255,255,.52); display: block; margin-bottom: 8px; }
.search-box strong { font-size: 24px; }
.ai-answer {
  margin: 20px 0;
  padding: 26px;
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(20,99,255,.28), rgba(0,212,255,.13));
  border: 1px solid rgba(255,255,255,.12);
}
.spark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: rgba(255,255,255,.12);
  color: var(--gold);
  font-size: 22px;
}
.ai-answer h3 { font-size: 24px; margin: 18px 0 10px; }
.ai-answer p { color: rgba(255,255,255,.74); line-height: 1.9; }
.rank-lines { display: grid; gap: 12px; }
.rank-lines i {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,255,255,.18), rgba(255,255,255,.04));
}
.rank-lines i:nth-child(2) { width: 82%; }
.rank-lines i:nth-child(3) { width: 64%; }

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  position: relative;
}
.timeline div {
  min-height: 210px;
  padding: 24px;
  border-radius: 26px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.88);
  box-shadow: 0 22px 54px rgba(15,23,42,.07);
}
.timeline span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--white);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
}
.timeline h3 { margin: 22px 0 10px; }
.timeline p { margin: 0; color: var(--muted); line-height: 1.7; }

.cta-band {
  padding: 58px 0;
  background: #081426;
  color: var(--white);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.cta-inner h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 52px;
  align-items: start;
}
.contact-info h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.05em;
}
.contact-info p { color: var(--muted); line-height: 1.9; }
.contact-cards {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}
.contact-cards a, .contact-cards div {
  display: block;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 16px 44px rgba(15,23,42,.06);
}
.contact-cards small { display: block; color: var(--muted); margin-bottom: 8px; }
.contact-cards strong { font-size: 18px; }
.contact-form {
  padding: 34px;
  border-radius: 34px;
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}
.contact-form h3 { font-size: 26px; margin: 0 0 24px; }
.contact-form label { display: block; margin-bottom: 18px; }
.contact-form span { display: block; margin-bottom: 8px; color: #34445c; font-weight: 800; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  border: 1px solid rgba(20,32,51,.1);
  background: rgba(255,255,255,.76);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  outline: none;
  transition: border .2s ease, box-shadow .2s ease;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  border-color: rgba(20,99,255,.5);
  box-shadow: 0 0 0 4px rgba(20,99,255,.1);
}
.contact-form textarea { resize: vertical; }
.contact-form .btn { width: 100%; margin-top: 6px; }
.form-tip { color: var(--muted); font-size: 13px; line-height: 1.6; margin-bottom: 0; }

.site-footer {
  background: #07111f;
  color: var(--white);
  padding: 60px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr .7fr .8fr;
  gap: 46px;
}
.footer-brand .brand-mark { box-shadow: none; }
.site-footer p { color: rgba(255,255,255,.64); line-height: 1.8; max-width: 520px; }
.site-footer h4 { margin: 0 0 18px; }
.site-footer a:not(.brand) {
  display: block;
  color: rgba(255,255,255,.66);
  margin-bottom: 12px;
}
.copyright {
  display: flex;
  /* justify-content: space-between; */
  /* gap: 20px; */
  flex-wrap: wrap;
  color: rgba(255,255,255,.48);
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  margin-top: 34px;
}
.backtop{
  margin-left: 200px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.show { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .22s; }
.delay-3 { transition-delay: .32s; }

@media (max-width: 1040px) {
  .hero-grid, .geo-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 520px; }
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .case-image { height: 260px; }
}

@media (max-width: 860px) {
  .navbar { height: 70px; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .nav-links {
    position: fixed;
    left: 20px;
    right: 20px;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 18px;
    border-radius: 24px;
    background: rgba(255,255,255,.94);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,.95);
  }
  .nav-links.active { display: flex; }
  .nav-links a { padding: 12px 14px; border-radius: 14px; }
  .nav-links a:hover { background: rgba(20,99,255,.08); }
  .section-padding { padding: 76px 0; }
  .hero { padding-top: 60px; }
  .hero h1 { letter-spacing: -0.055em; }
  .hero-trust { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: 1fr; }
  .dashboard-main { transform: none; }
  .floating-card { position: relative; width: 100%; left: auto; right: auto; top: auto; bottom: auto; margin-top: 14px; animation: none; }
  .hero-visual { display: block; min-height: unset; }
  .solution-grid { grid-template-columns: 1fr; }
  .tab-panel { grid-template-columns: 1fr; padding: 26px; }
  .timeline { grid-template-columns: 1fr; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1180px); }
  .brand strong { font-size: 15px; }
  .brand em { font-size: 10px; }
  .brand-mark { width: 40px; height: 40px; }
  .hero-desc { font-size: 16px; }
  .btn { width: 100%; }
  .product-tabs { display: grid; grid-template-columns: 1fr; }
  .tab { width: 100%; }
  .contact-form { padding: 24px; }
}