:root {
  --navy: #092348;
  --navy-2: #123e78;
  --ink: #0b1d3d;
  --text: #303641;
  --muted: #657080;
  --line: #edf0f5;
  --soft: #f4f7fb;
  --orange: #ff7a1a;
  --orange-2: #ff8b58;
  --green: #35bd73;
  --blue: #3478f6;
  --shadow: 0 16px 36px rgba(10, 30, 65, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  background: #fff;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.wrap { width: min(1440px, calc(100% - 96px)); margin: 0 auto; }

.hero {
  position: relative;
  min-height: 970px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 54% 15%, rgba(58, 139, 255, .38), transparent 26%),
    linear-gradient(118deg, #102f58 0%, #092241 45%, #154b92 100%);
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: auto -8% 0;
  height: 190px;
  opacity: .5;
  background:
    repeating-radial-gradient(ellipse at 35% 105%, rgba(41, 132, 255, .55) 0 1px, transparent 2px 14px);
  transform: skewY(-3deg);
}
.hero::after {
  inset: 0 auto auto 0;
  width: 260px;
  height: 210px;
  background: radial-gradient(circle, rgba(255,255,255,.12) 1px, transparent 2px);
  background-size: 18px 18px;
  transform: none;
}
.hero__mesh {
  position: absolute;
  inset: auto 0 -40px;
  height: 260px;
  background: linear-gradient(170deg, transparent 38%, rgba(26, 104, 209, .42));
  clip-path: polygon(0 42%, 8% 60%, 22% 55%, 38% 76%, 54% 62%, 72% 78%, 88% 58%, 100% 31%, 100% 100%, 0 100%);
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 42px;
  align-items: center;
  padding-top: 108px;
}
.hero h1 {
  margin: 0 0 24px;
  font-size: clamp(48px, 5.1vw, 82px);
  line-height: 1.1;
  letter-spacing: 0;
  font-weight: 900;
}
.hero__tagline {
  margin: 0 0 44px;
  font-size: clamp(24px, 2.2vw, 36px);
  font-weight: 700;
}
.accent-line {
  display: block;
  width: 62px;
  height: 7px;
  border-radius: 12px;
  background: var(--orange-2);
}
.accent-line--center { margin: 0 auto; }
.hero__lead {
  margin: 56px 0 48px;
  color: rgba(255,255,255,.76);
  font-size: clamp(20px, 1.8vw, 30px);
  font-weight: 700;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 232px;
  min-height: 88px;
  padding: 0 36px;
  border-radius: 10px;
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(0,0,0,.12);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 18px 28px rgba(0,0,0,.18); }
.btn--primary { background: linear-gradient(135deg, #ff8d55, #ff6b37); }
.btn--ghost { color: #333b49; background: #fff; }

.hero__visual {
  position: relative;
  min-width: 0;
  min-height: 760px;
}
.hero__copy { min-width: 0; }
.hero__visual img {
  width: min(885px, 100%);
  margin: 0 0 0 auto;
  filter: drop-shadow(0 32px 34px rgba(25, 111, 239, .32));
  -webkit-mask-image: radial-gradient(ellipse 74% 62% at 52% 48%, #000 72%, rgba(0, 0, 0, .86) 87%, transparent 100%);
  mask-image: radial-gradient(ellipse 74% 62% at 52% 48%, #000 72%, rgba(0, 0, 0, .86) 87%, transparent 100%);
  animation: float 5.5s ease-in-out infinite;
}

.section { padding: 92px 0; }
.section--soft { background: #f3f6fa; }
.section--wash {
  background:
    radial-gradient(circle at 50% 12%, rgba(78, 150, 255, .1), transparent 34%),
    #f8fbff;
}
.section-head {
  max-width: 1060px;
  margin: 0 auto 68px;
  text-align: center;
}
.section-head h2 {
  margin: 0 0 26px;
  color: #2f343d;
  font-size: clamp(34px, 3.2vw, 54px);
  line-height: 1.2;
  font-weight: 900;
}
.section-head--large h2 { color: var(--ink); font-size: clamp(44px, 4.2vw, 70px); }
.section-head p {
  margin: 0 0 28px;
  color: #727986;
  font-size: clamp(21px, 1.9vw, 32px);
  font-weight: 500;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}
.challenge-card {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 34px;
  align-items: center;
  min-height: 260px;
  padding: 42px 64px;
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.challenge-card:hover,
.value-card:hover,
.why-card:hover { transform: translateY(-6px); box-shadow: 0 22px 44px rgba(10, 30, 65, .16); }
.challenge-card h3 {
  margin: 0 0 18px;
  color: #303640;
  font-size: clamp(25px, 2.3vw, 34px);
  line-height: 1.25;
}
.challenge-card p {
  margin: 0;
  color: #4d5664;
  font-size: clamp(20px, 1.7vw, 28px);
  font-weight: 600;
}
.line-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: #fff5f2;
}
.line-icon::before,
.line-icon::after {
  content: "";
  position: absolute;
  border: 6px solid var(--orange-2);
}
.line-icon--calendar::before { width: 66px; height: 54px; border-radius: 6px; }
.line-icon--calendar::after { width: 38px; height: 38px; right: 18px; bottom: 17px; border-radius: 50%; background: #fff5f2; }
.line-icon--people::before { width: 22px; height: 22px; border-radius: 50%; box-shadow: -32px 20px 0 2px var(--orange-2), 32px 20px 0 2px var(--orange-2); background: var(--orange-2); }
.line-icon--people::after { width: 74px; height: 42px; bottom: 26px; border-radius: 40px 40px 8px 8px; border-top-width: 28px; }
.line-icon--badge::before { width: 66px; height: 72px; border-radius: 6px; }
.line-icon--badge::after { width: 28px; height: 28px; top: 34px; border-radius: 50%; background: var(--orange-2); box-shadow: 0 34px 0 -5px var(--orange-2); }
.line-icon--nodes::before { width: 22px; height: 22px; border-radius: 50%; background: var(--orange-2); box-shadow: -38px 42px 0 0 var(--orange-2), 38px 42px 0 0 var(--orange-2); }
.line-icon--nodes::after { width: 76px; height: 44px; border-width: 6px 6px 0 6px; transform: translateY(20px) rotate(12deg); border-radius: 4px; }

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px;
}
.value-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(24, 47, 86, .08);
  transition: transform .2s ease, box-shadow .2s ease;
}
.value-card img {
  width: 100%;
  aspect-ratio: 1.36;
  object-fit: cover;
}
.value-card__body { padding: 32px 34px 36px; text-align: center; }
.value-card h3 { margin: 0 0 24px; font-size: clamp(25px, 2.1vw, 34px); }
.value-card p { margin: 0 0 22px; font-size: clamp(18px, 1.45vw, 23px); font-weight: 600; }
.text-orange { color: var(--orange); }
.text-green { color: #35a965; }
.text-blue { color: var(--blue); }
.tags { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.tags span {
  position: relative;
  padding: 8px 16px 8px 40px;
  border-radius: 24px;
  background: #fff4ec;
  color: #4d5562;
  font-size: 18px;
  font-weight: 800;
}
.tags span::before {
  content: "✓";
  position: absolute;
  left: 13px;
  color: var(--orange);
}
.tags--green span { background: #eefaf2; }
.tags--green span::before { color: var(--green); }
.tags--blue span { background: #eef5ff; }
.tags--blue span::before { color: var(--blue); }

.feature-section { padding-bottom: 0; }
.feature,
.feature-band .feature {
  display: grid;
  grid-template-columns: .42fr .58fr;
  gap: 56px;
  align-items: center;
  padding: 52px 0 78px;
}
.feature--reverse { grid-template-columns: .54fr .46fr; }
.feature__copy {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0 24px;
  align-items: start;
}
.feature__copy > p,
.feature__copy > ul { grid-column: 1 / -1; }
.number {
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  border-radius: 11px;
  color: #fff;
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}
.number--orange { background: var(--orange); }
.number--green { background: var(--green); }
.number--blue { background: var(--blue); }
.feature h3 {
  margin: -5px 0 30px;
  color: var(--ink);
  font-size: clamp(29px, 2.8vw, 45px);
  line-height: 1.45;
}
.feature__copy p {
  margin: 0 0 28px;
  font-size: clamp(20px, 1.7vw, 27px);
  font-weight: 600;
}
.check-list {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: clamp(20px, 1.75vw, 28px);
  font-weight: 700;
}
.check-list li {
  position: relative;
  padding-left: 58px;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 3px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #fff;
  font-size: 22px;
  line-height: 1;
}
.check-list--orange li::before { background: var(--orange); }
.check-list--green li::before { background: var(--green); }
.check-list--blue li::before { background: var(--blue); }
.feature__media img {
  width: 100%;
  border-radius: 12px;
}
.laptop img,
.dashboard img { filter: drop-shadow(0 14px 16px rgba(18, 37, 68, .22)); }
.feature-band { margin: 0; }
.feature-band--green { background: #edf3fa; }
.feature-band--orange { background: #fff3ec; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}
.why-card {
  min-height: 280px;
  padding: 44px 36px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255,255,255,.9);
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.round-icon {
  display: grid;
  place-items: center;
  width: 112px;
  height: 112px;
  margin: 0 auto 26px;
  border-radius: 50%;
  color: #fff;
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
}
.round-icon--orange { background: linear-gradient(135deg, #ff8b1c, #ff5d0a); }
.round-icon--green { background: linear-gradient(135deg, #48bb5b, #2f9d4e); }
.round-icon--blue { background: linear-gradient(135deg, #4b8df7, #2368d8); }
.why-card h3 { margin: 0 0 16px; color: var(--ink); font-size: clamp(27px, 2.4vw, 38px); }
.why-card p { margin: 0; color: #4b5a6e; font-size: clamp(19px, 1.7vw, 27px); font-weight: 600; }

.stats {
  color: #fff;
  background: linear-gradient(100deg, #062045, #0b2b57 54%, #082248);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 58px 0;
}
.stats__grid div {
  padding: 0 38px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.34);
}
.stats__grid div:last-child { border-right: 0; }
.stats strong,
.stats em {
  color: var(--orange);
  font-style: normal;
  font-size: clamp(50px, 5vw, 86px);
  line-height: 1;
  font-weight: 900;
}
.stats span {
  display: block;
  margin-top: 20px;
  font-size: clamp(22px, 2vw, 34px);
  font-weight: 900;
}

.cta {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 52% 40%, rgba(255,255,255,.16), transparent 32%),
    linear-gradient(135deg, #ff710f, #ff4f04);
}
.cta::before,
.cta::after {
  content: "";
  position: absolute;
  opacity: .26;
  border: 2px solid #fff;
}
.cta::before {
  right: -70px;
  bottom: -80px;
  width: 330px;
  height: 330px;
  border-radius: 50%;
  box-shadow: 0 0 0 20px rgba(255,255,255,.08), 0 0 0 44px rgba(255,255,255,.05);
}
.cta::after {
  left: -70px;
  top: 40px;
  width: 260px;
  height: 150px;
  transform: rotate(28deg);
}
.cta__inner {
  position: relative;
  z-index: 1;
  padding: 82px 0 72px;
  text-align: center;
}
.cta h2 {
  margin: 0 0 28px;
  font-size: clamp(45px, 5vw, 78px);
  line-height: 1.28;
  font-weight: 900;
}
.cta p {
  margin: 0 0 34px;
  font-size: clamp(22px, 2.1vw, 34px);
  font-weight: 800;
}
.cta__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-width: min(880px, 100%);
  min-height: 96px;
  padding: 0 46px;
  border-radius: 999px;
  color: #f05a12;
  background: #fff;
  font-size: clamp(28px, 3vw, 48px);
  font-weight: 900;
  box-shadow: 0 10px 0 rgba(151, 47, 0, .18), 0 18px 34px rgba(111, 34, 0, .18);
  transition: transform .2s ease, box-shadow .2s ease;
}
.cta__button:hover { transform: translateY(-4px); box-shadow: 0 13px 0 rgba(151, 47, 0, .18), 0 25px 40px rgba(111, 34, 0, .22); }
.cta__phone {
  display: block;
  margin-top: 28px;
  font-size: clamp(42px, 4.5vw, 78px);
  line-height: 1;
  font-weight: 900;
}
.line-icon--mini-calendar {
  width: 56px;
  height: 56px;
  background: transparent;
}
.line-icon--mini-calendar::before { width: 42px; height: 38px; border-color: #f05a12; border-radius: 5px; }
.line-icon--mini-calendar::after { display: none; }

.float-cta,
.to-top {
  position: fixed;
  z-index: 20;
  right: 24px;
  border: 0;
  cursor: pointer;
  box-shadow: 0 12px 26px rgba(9, 26, 60, .18);
}
.float-cta {
  bottom: 94px;
  padding: 14px 20px;
  border-radius: 999px;
  color: #fff;
  background: var(--orange);
  font-size: 17px;
  font-weight: 800;
}
.to-top {
  bottom: 28px;
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: #fff;
  background: var(--navy);
  font-size: 24px;
}
.to-top.is-show { display: block; }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@media (max-width: 1120px) {
  .wrap { width: min(100% - 44px, 960px); }
  .hero { min-height: auto; }
  .hero__grid,
  .feature,
  .feature--reverse,
  .feature-band .feature { grid-template-columns: 1fr; }
  .hero__visual { min-height: 590px; }
  .challenge-grid,
  .value-grid,
  .why-grid { grid-template-columns: 1fr 1fr; }
  .feature--reverse .feature__media { order: 2; }
  .feature--reverse .feature__copy { order: 1; }
}

@media (max-width: 720px) {
  .wrap { width: min(100% - 28px, 560px); }
  .hero__grid { padding: 54px 0 34px; gap: 18px; }
  .hero h1 { font-size: 42px; }
  .hero__tagline,
  .hero__lead {
    overflow-wrap: anywhere;
    line-height: 1.45;
  }
  .hero__tagline { font-size: 22px; }
  .hero__lead { font-size: 18px; }
  .hero__lead { margin: 32px 0; }
  .hero__actions { gap: 14px; }
  .btn { width: 100%; min-height: 60px; min-width: 0; font-size: 18px; }
  .hero__visual { min-height: auto; padding-bottom: 20px; }
  .hero__visual img {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
    animation: none;
  }
  .section { padding: 58px 0; }
  .section-head { margin-bottom: 34px; }
  .challenge-grid,
  .value-grid,
  .why-grid,
  .stats__grid { grid-template-columns: 1fr; }
  .challenge-card {
    grid-template-columns: 82px 1fr;
    min-height: 0;
    gap: 18px;
    padding: 26px 20px;
  }
  .challenge-card h3 { font-size: 22px; }
  .challenge-card p { font-size: 17px; }
  .line-icon { width: 78px; height: 78px; transform: scale(.72); transform-origin: center; }
  .value-card__body { padding: 24px 20px; }
  .feature,
  .feature-band .feature { gap: 24px; padding: 26px 0 48px; }
  .feature__copy { grid-template-columns: 54px 1fr; gap: 0 14px; }
  .number { width: 52px; height: 52px; font-size: 23px; }
  .feature h3 { margin-top: -3px; font-size: 27px; }
  .check-list { gap: 14px; font-size: 18px; }
  .check-list li { padding-left: 44px; }
  .check-list li::before { width: 28px; height: 28px; }
  .why-card { min-height: 0; padding: 34px 24px; }
  .stats__grid { padding: 28px 0; gap: 24px; }
  .stats__grid div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.24); padding-bottom: 22px; }
  .stats__grid div:last-child { border-bottom: 0; }
  .cta__button { min-height: 72px; font-size: 24px; }
  .float-cta { right: 14px; bottom: 82px; }
  .to-top { right: 14px; }
}