:root {
  --background: #f6f8fb;
  --ink: #11273a;
  --muted: #657685;
  --blue: #0b3b66;
  --line: #dce4eb;
  --card: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--background); font-family: "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; }

.site-header { height: 76px; max-width: 1240px; margin: auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; letter-spacing: .04em; }
.brand-mark { display: grid; width: 27px; height: 27px; place-items: center; color: white; background: var(--blue); border-radius: 50%; font-size: 20px; font-weight: 400; }
.header-contact { padding-bottom: 3px; border-bottom: 1px solid var(--ink); font-size: 14px; font-weight: 700; }

.hero { position: relative; overflow: hidden; max-width: 1240px; min-height: 620px; margin: 0 auto; padding: 94px 32px 38px; border-radius: 0 0 24px 24px; background: var(--blue); color: white; }
.hero-copy { position: relative; z-index: 2; max-width: 730px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 22px; color: #a9c9e2; font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.eyebrow span { width: 26px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 26px; font-size: clamp(42px, 6vw, 76px); line-height: 1.13; letter-spacing: -.055em; }
.hero-description { max-width: 560px; color: #d3e2ed; font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; gap: 28px; padding: 14px 18px; border: 1px solid transparent; border-radius: 4px; font-size: 14px; font-weight: 700; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--blue); background: #d9f071; }
.button-quiet { border-color: #6383a0; color: white; }
.button span { font-size: 17px; }
.hero-facts { position: absolute; right: 32px; bottom: 38px; z-index: 2; display: flex; gap: 32px; }
.hero-facts div { display: grid; gap: 5px; padding-left: 14px; border-left: 1px solid #83a1b9; }
.hero-facts strong { font-size: 18px; }.hero-facts span { color: #b3c6d5; font-size: 12px; }
.hero-visual { position: absolute; inset: 0 0 0 48%; opacity: .95; }
.sun { position: absolute; top: 69px; right: 12%; width: 156px; height: 156px; border: 1px solid #88a8bf; border-radius: 50%; box-shadow: 0 0 0 28px rgba(133, 168, 191, .08), 0 0 0 70px rgba(133, 168, 191, .05); }
.grid { position: absolute; right: -85px; bottom: -150px; width: 680px; height: 530px; background-image: linear-gradient(#5f88a7 1px, transparent 1px), linear-gradient(90deg, #5f88a7 1px, transparent 1px); background-size: 44px 44px; transform: rotate(-29deg) skewX(9deg); opacity: .5; }
.wire { position: absolute; width: 500px; height: 230px; border: 1px solid #98c0da; border-color: #98c0da transparent transparent; border-radius: 50%; opacity: .45; }
.wire-one { top: 20px; right: -135px; transform: rotate(28deg); }.wire-two { top: 65px; right: -95px; transform: rotate(28deg); }
.visual-label { position: absolute; right: 40px; top: 42%; color: #94b8cf; font-family: monospace; font-size: 11px; letter-spacing: .18em; transform: rotate(90deg); }

.section { max-width: 1240px; margin: 0 auto; padding: 126px 32px; display: grid; grid-template-columns: 190px 1fr; gap: 38px; }
.section-label { color: #6b8395; font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.section h2, .contact h2 { margin-bottom: 19px; font-size: clamp(32px, 4vw, 52px); line-height: 1.2; letter-spacing: -.045em; }
.lead { max-width: 650px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.credentials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 47px; }
.credentials article { min-height: 205px; padding: 24px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); }
.credential-number { display: block; margin-bottom: 41px; color: #7291a8; font-family: monospace; font-size: 12px; }.credentials h3, .steps h3 { margin-bottom: 10px; font-size: 18px; }.credentials p, .steps p { color: var(--muted); font-size: 14px; line-height: 1.75; }
.direction { border-top: 1px solid var(--line); }.direction-content { display: grid; grid-template-columns: .85fr 1fr; gap: 70px; }.steps { margin: 0; padding: 0; list-style: none; }.steps li { display: grid; grid-template-columns: 48px 1fr; gap: 15px; padding: 0 0 22px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }.steps li:last-child { margin-bottom: 0; }.steps li > span { color: #7092a9; font-family: monospace; font-size: 12px; padding-top: 4px; }.steps h3 { margin-top: 0; }.steps p { margin-bottom: 0; }
.contact { padding: 88px 32px; background: #dcebf5; }.contact-inner { max-width: 1176px; margin: auto; }.contact .eyebrow { color: #4a7594; }.contact h2 { max-width: 760px; }.contact-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 44px; }.contact-links a { position: relative; display: grid; gap: 7px; padding: 22px; border-radius: 7px; background: var(--blue); color: white; transition: transform .2s; }.contact-links a:hover { transform: translateY(-3px); }.contact-links small { color: #aec8da; }.contact-links strong { font-size: clamp(18px, 2.2vw, 25px); letter-spacing: -.02em; }.contact-links span { position: absolute; right: 22px; bottom: 21px; color: #d9f071; font-size: 21px; }
footer { max-width: 1240px; margin: auto; padding: 24px 32px; display: flex; justify-content: space-between; color: #8495a2; font-family: monospace; font-size: 11px; letter-spacing: .09em; }

.error-page { min-height: 100vh; display: grid; place-items: center; background: var(--blue); color: white; }
.error-content { width: min(100% - 40px, 760px); padding: 48px 0; }.error-content .eyebrow { color: #a9c9e2; }.error-code { margin-bottom: 12px; color: #d9f071; font-family: monospace; font-size: clamp(64px, 14vw, 140px); font-weight: 700; line-height: .9; letter-spacing: -.08em; }.error-content h1 { font-size: clamp(38px, 7vw, 68px); }.error-content > p:not(.eyebrow):not(.error-code) { max-width: 510px; margin-bottom: 32px; color: #d3e2ed; line-height: 1.8; }

@media (max-width: 760px) {
  .site-header { height: 65px; padding: 0 20px; }.brand { font-size: 12px; }.header-contact { font-size: 13px; }
  .hero { min-height: 670px; padding: 80px 20px 28px; border-radius: 0; }.hero-visual { left: 17%; opacity: .65; }.sun { top: 24px; right: -28px; width: 105px; height: 105px; }.grid { right: -274px; bottom: -104px; }.visual-label { display: none; }
  h1 { font-size: clamp(38px, 11vw, 54px); }.hero-description { font-size: 16px; }.hero-facts { right: auto; bottom: 27px; left: 20px; gap: 12px; }.hero-facts div { padding-left: 8px; }.hero-facts strong { font-size: 14px; }.hero-facts span { max-width: 80px; font-size: 10px; line-height: 1.4; }
  .section { padding: 75px 20px; grid-template-columns: 1fr; gap: 22px; }.section h2, .contact h2 { font-size: 32px; }.lead { font-size: 16px; }.credentials { grid-template-columns: 1fr; margin-top: 30px; }.credentials article { min-height: auto; }.credential-number { margin-bottom: 28px; }.direction-content { grid-template-columns: 1fr; gap: 24px; }
  .contact { padding: 70px 20px; }.contact-links { grid-template-columns: 1fr; margin-top: 30px; }.contact-links strong { font-size: 18px; }footer { padding: 20px; }
}

@media (max-width: 360px) {
  .brand { gap: 6px; font-size: 11px; }.brand-mark { width: 24px; height: 24px; }.header-contact { font-size: 12px; }
  .hero { padding-top: 63px; }.hero-actions { gap: 9px; }.button { width: 100%; justify-content: space-between; }.hero-facts { gap: 7px; }.hero-facts span { max-width: 70px; }
  .contact-links strong { overflow-wrap: anywhere; }.error-content { width: min(100% - 32px, 760px); }
}