:root {
  --ink: #202225;
  --muted: #69717d;
  --line: #d9e1eb;
  --paper: #ffffff;
  --soft: #f5f7fb;
  --navy: #111928;
  --orange: #ff5a1f;
  --gold: #f5b61f;
  --blue: #2374b9;
  --green: #41a36f;
  --shadow: 0 18px 50px rgba(17, 25, 40, 0.12);
  font-family: "Open Sans", "Noto Sans SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.72;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(1110px, calc(100% - 32px));
  max-width: calc(100vw - 32px);
  margin: 0 auto;
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  color: #fff;
}

.topbar {
  display: flex;
  justify-content: center;
  gap: 0;
  min-height: 52px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(9, 15, 26, 0.42);
}

.topbar > a,
.topbar > span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 180px;
  padding: 0 22px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  font-weight: 600;
}

.topbar > span {
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.topbar-icon {
  display: inline-block;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.14);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 15px 15px;
}

.phone-icon {
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='24'%20height='24'%20viewBox='0%200%2024%2024'%20fill='none'%20stroke='%23ffffff'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M22%2016.92v3a2%202%200%200%201-2.18%202%2019.79%2019.79%200%200%201-8.63-3.07%2019.5%2019.5%200%200%201-6-6%2019.79%2019.79%200%200%201-3.07-8.67A2%202%200%200%201%204.11%202h3a2%202%200%200%201%202%201.72%2012.84%2012.84%200%200%200%20.7%202.81%202%202%200%200%201-.45%202.11L8.09%209.91a16%2016%200%200%200%206%206l1.27-1.27a2%202%200%200%201%202.11-.45%2012.84%2012.84%200%200%200%202.81.7A2%202%200%200%201%2022%2016.92z'/%3E%3C/svg%3E");
}

.wechat-icon {
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='24'%20height='24'%20viewBox='0%200%2024%2024'%20fill='none'%20stroke='%23ffffff'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M21%2011.5a8.38%208.38%200%200%201-.9%203.8%208.5%208.5%200%200%201-7.6%204.7%208.38%208.38%200%200%201-3.8-.9L3%2021l1.9-5.7a8.38%208.38%200%200%201-.9-3.8%208.5%208.5%200%200%201%204.7-7.6%208.38%208.38%200%200%201%203.8-.9h.5A8.48%208.48%200%200%201%2021%2011v.5z'/%3E%3Cpath%20d='M9%2010h.01'/%3E%3Cpath%20d='M15%2010h.01'/%3E%3C/svg%3E");
}

.whatsapp-icon {
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='24'%20height='24'%20viewBox='0%200%2024%2024'%20fill='none'%20stroke='%23ffffff'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M3%2021l1.6-4.8A8.7%208.7%200%201%201%207.8%2019L3%2021z'/%3E%3Cpath%20d='M9.5%208.5c.2-.5.4-.5.7-.5h.5c.2%200%20.4%200%20.6.5l.7%201.7c.1.3.1.5-.1.7l-.5.6c.7%201.3%201.8%202.3%203.1%203l.6-.5c.2-.2.5-.2.7-.1l1.7.8c.4.2.5.4.5.7v.4c0%20.4-.2.7-.5.9-.5.3-1.2.5-1.9.4-3.3-.4-7.3-4.1-7.8-7.5-.1-.7.1-1.4.4-1.9.3-.4.6-.5.9-.5h.4z'/%3E%3C/svg%3E");
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1320px, calc(100% - 64px));
  min-height: 92px;
  margin: 0 auto;
}

.brand img {
  width: 208px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.7vw, 30px);
  font-weight: 800;
}

.nav-links a {
  position: relative;
  padding: 32px 0;
  color: #fff;
  white-space: nowrap;
}

.nav-links a::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 0;
  background: var(--orange);
  content: "";
  transform: translateX(-50%);
  transition: height 0.2s ease;
}

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

.nav-links a:hover::before,
.nav-links a.active::before {
  height: 36px;
}

.nav-links a.lang {
  padding-left: 2px;
  padding-right: 2px;
}

.nav-links a.lang::before {
  display: none;
}

.nav-links a.current-lang {
  color: var(--gold);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
}

.hero {
  position: relative;
  min-height: 540px;
  padding: 210px 0 110px;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(12, 19, 34, 0.92), rgba(12, 19, 34, 0.76)),
    url("assets/hero-bg.jpg") center / cover;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-heading span {
  display: block;
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

h1 {
  max-width: 760px;
  margin-bottom: 12px;
  font-size: 54px;
  line-height: 1.1;
  font-weight: 900;
}

.hero-copy {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 2px solid transparent;
  border-radius: 4px;
  font-weight: 800;
}

.btn.primary {
  color: #fff;
  background: var(--orange);
}

.btn.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.68);
}

.hero-shape {
  position: absolute;
  z-index: 1;
  border-style: solid;
}

.shape-one {
  right: 72px;
  bottom: 70px;
  width: 0;
  height: 0;
  border-width: 0 14px 28px;
  border-color: transparent transparent var(--gold);
  transform: rotate(65deg);
}

.shape-two {
  left: 10%;
  bottom: 82px;
  width: 16px;
  height: 16px;
  border-width: 2px;
  border-color: var(--gold);
  transform: rotate(22deg);
}

.hero-lines {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1080px, 100%);
  margin: 0 auto;
  opacity: 0.22;
  pointer-events: none;
}

.hero-lines span {
  border-left: 1px solid #fff;
}

.section {
  padding: 90px 0;
}

.section-heading {
  max-width: 720px;
}

.section-heading.center {
  margin: 0 auto 38px;
  text-align: center;
}

h2 {
  margin-bottom: 12px;
  font-size: 34px;
  line-height: 1.24;
  font-weight: 900;
}

h3 {
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.3;
}

.lead {
  max-width: 1040px;
  margin-bottom: 0;
  padding-bottom: 24px;
  border-bottom: 2px solid #aebdcd;
  font-size: 18px;
}

.features {
  background: var(--soft);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.feature-card {
  display: grid;
  grid-template-rows: 270px auto;
  overflow: hidden;
  border-radius: 6px;
  background: #fff;
  box-shadow: var(--shadow);
}

.feature-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 22px;
  background: #fff;
}

.feature-card div {
  padding: 26px;
  border-top: 1px solid var(--line);
}

.feature-card p,
.pricing p,
.contact p {
  color: var(--muted);
}

.pricing {
  background: #fff;
}

.pricing-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.price-panel {
  padding: 36px;
  border-left: 4px solid var(--orange);
  border-radius: 6px;
  background: linear-gradient(135deg, #fff, #f7f9fc);
  box-shadow: var(--shadow);
}

.price-panel .btn {
  margin-top: 8px;
}

.clients {
  background: var(--navy);
  color: #fff;
}

.clients .section-heading span {
  color: var(--gold);
}

.client-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.client-strip span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 86px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 20px;
  font-weight: 800;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 52px;
  align-items: start;
}

.contact-box {
  display: grid;
  gap: 14px;
  padding: 30px;
  border-radius: 6px;
  background: var(--soft);
  box-shadow: var(--shadow);
  font-size: 18px;
  font-weight: 800;
}

.contact-line {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.contact-icon {
  display: inline-block;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background-color: var(--orange);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 18px 18px;
}

.contact-icon.whatsapp-icon {
  background-color: #25d366;
}

.contact-icon.wechat-icon {
  background-color: #20b85a;
}

.wechat-qr {
  width: min(100%, 260px);
  margin: 0 auto 10px;
  border-radius: 6px;
  background: #fff;
}

.contact-box a:hover {
  color: var(--orange);
}

.site-footer {
  padding: 24px 0;
  color: #d8dee8;
  background: #121722;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  color: #fff;
  font-weight: 800;
}

@media (max-width: 980px) {
  .topbar {
    flex-wrap: wrap;
  }

  .topbar > a,
  .topbar > span {
    justify-content: center;
    min-width: 0;
    flex: 1 1 170px;
    padding: 10px 14px;
  }

  .navbar {
    width: min(100% - 32px, 1110px);
    min-height: 80px;
  }

  .brand img {
    width: 176px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 16px;
    right: 16px;
    display: none;
    padding: 16px;
    border-radius: 6px;
    background: rgba(17, 25, 40, 0.96);
  }

  .nav-links.open {
    display: grid;
    gap: 4px;
  }

  .nav-links a {
    padding: 10px 4px;
  }

  .nav-links a::before {
    display: none;
  }

  .hero {
    min-height: 560px;
    padding-top: 220px;
  }

  h1 {
    font-size: 42px;
  }

  .feature-grid,
  .pricing-inner,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .client-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  body {
    font-size: 15px;
  }

  .topbar {
    display: none;
  }

  .site-header {
    background: rgba(17, 25, 40, 0.86);
  }

  .container {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
  }

  .section-heading {
    max-width: 100%;
  }

  .hero {
    min-height: 520px;
    padding: 140px 0 70px;
  }

  .hero-shape {
    display: none;
  }

  h1 {
    font-size: 34px;
    max-width: 320px;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  h2 {
    font-size: 26px;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .hero-copy {
    font-size: 17px;
    max-width: 320px;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions .btn {
    min-width: 180px;
  }

  .lead,
  .feature-card p,
  .pricing p,
  .contact p {
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .lead {
    max-width: 330px;
  }

  .section-heading.center {
    width: min(300px, 100%);
  }

  .section {
    padding: 64px 0;
  }

  .feature-card {
    grid-template-rows: 220px auto;
  }

  .price-panel,
  .contact-box {
    padding: 24px;
  }

  .client-strip {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}