:root {
  --navy: #07162f;
  --navy-2: #0b2145;
  --blue: #087bff;
  --cyan: #00d2f2;
  --pink: #ff5d7a;
  --ink: #10172d;
  --text: #4c5870;
  --muted: #8490a6;
  --line: #e7edf5;
  --soft: #f5f8fc;
  --white: #fff;
  --shadow: 0 24px 60px rgba(16, 31, 62, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 999; background: #fff; padding: 12px 18px; border-radius: 8px; transition: .2s; }
.skip-link:focus { top: 12px; }

.site-header {
  height: 78px;
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(10,27,58,.06);
  backdrop-filter: blur(16px);
  transition: box-shadow .3s, height .3s;
}
.site-header.scrolled { height: 68px; box-shadow: 0 10px 30px rgba(7,22,47,.08); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 800; letter-spacing: -.5px; }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: linear-gradient(140deg, var(--cyan), var(--blue)); box-shadow: 0 8px 20px rgba(4,132,242,.24); position: relative; overflow: hidden; }
.brand-mark span { position: relative; z-index: 2; }
.brand-mark i { position: absolute; width: 28px; height: 28px; border: 1px solid rgba(255,255,255,.36); border-radius: 50%; right: -10px; top: -9px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text small { font-size: 7px; letter-spacing: 1.6px; color: #8c96a9; margin-top: 5px; font-weight: 700; }
.site-nav { display: flex; align-items: center; gap: 31px; }
.site-nav > a { position: relative; font-size: 16px; font-weight: 700; color: #3e485c; transition: color .25s; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: -11px; height: 2px; background: var(--blue); transition: .25s; }
.site-nav > a:hover, .site-nav > a.active { color: var(--blue); }
.site-nav > a.active::after, .site-nav > a:hover::after { left: 10%; right: 10%; }
.site-nav .nav-cta { color: #fff; padding: 11px 18px; border-radius: 8px; background: linear-gradient(130deg, var(--blue), #005bcf); box-shadow: 0 9px 18px rgba(8,123,255,.18); }
.menu-toggle { display: none; border: 0; background: none; width: 44px; height: 44px; padding: 10px; }
.menu-toggle > span:not(.sr-only) { display: block; width: 23px; height: 2px; margin: 5px 0; background: var(--ink); transition: .25s; }

.hero { min-height: 790px; padding-top: 78px; position: relative; overflow: hidden; color: #fff; background: radial-gradient(circle at 72% 46%, rgba(17,92,173,.35), transparent 27%), linear-gradient(120deg, #07162f 0%, #092550 56%, #063b73 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .24; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to right, black, transparent 78%); }
.hero::after { content: ""; position: absolute; width: 45%; height: 1px; right: 4%; top: 31%; transform: rotate(-16deg); background: linear-gradient(90deg, transparent, rgba(0,210,242,.6), transparent); }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(2px); }
.orb-one { width: 620px; height: 620px; right: -180px; top: 20px; border: 1px solid rgba(0,210,242,.12); box-shadow: inset 0 0 100px rgba(0,210,242,.04); }
.orb-two { width: 430px; height: 430px; right: -80px; top: 120px; border: 1px solid rgba(74,134,255,.14); }
.hero-layout { min-height: 620px; display: flex; align-items: center; position: relative; z-index: 3; }
.hero-content { width: 58%; padding-bottom: 10px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 800; letter-spacing: 2px; color: var(--blue); }
.eyebrow > span { width: 28px; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--blue)); }
.eyebrow.light { color: #70dff5; }
.hero h1 { font-size: clamp(42px, 5.2vw, 68px); line-height: 1.16; margin: 24px 0 25px; letter-spacing: -2.4px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #fff 0%, #b8e8ff 55%, #68dff4 100%); -webkit-background-clip: text; color: transparent; }
.hero-content > p { max-width: 650px; margin: 0; font-size: 17px; line-height: 1.9; color: rgba(232,241,255,.72); }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; }
.button { min-height: 50px; padding: 0 23px; border: 0; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; gap: 15px; font-weight: 700; cursor: pointer; transition: transform .25s, box-shadow .25s, background .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(130deg, #00bfe9, #087bff); box-shadow: 0 14px 30px rgba(0,134,255,.3); }
.button-primary:hover { box-shadow: 0 18px 36px rgba(0,134,255,.42); }
.button-ghost { color: #e9f1ff; border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.055); }
.button-ghost:hover { background: rgba(255,255,255,.1); }
.hero-trust { display: flex; gap: 24px; margin-top: 34px; color: rgba(226,236,249,.6); font-size: 13px; }
.hero-trust i { font-style: normal; color: var(--cyan); margin-right: 5px; }

.network { width: 520px; height: 520px; position: absolute; z-index: 2; right: max(5vw, calc((100vw - 1240px)/2)); top: 115px; opacity: .95; }
.match-core { position: absolute; left: 44%; top: 40%; width: 116px; height: 116px; transform: translate(-50%, -50%); border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(7,23,49,.86); border: 1px solid rgba(0,210,242,.55); box-shadow: 0 0 55px rgba(0,210,242,.17), inset 0 0 24px rgba(0,210,242,.1); }
.match-core .heart { color: var(--pink); font-size: 22px; text-shadow: 0 0 18px rgba(255,93,122,.7); }
.match-core b { font-size: 12px; margin-top: 4px; color: #c9f8ff; }
.core-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(0,210,242,.18); animation: ripple 3s infinite; }
.ring-one { inset: -38px; }
.ring-two { inset: -83px; animation-delay: 1s; }
.node { width: 7px; height: 7px; border-radius: 50%; position: absolute; background: var(--cyan); box-shadow: 0 0 13px var(--cyan); animation: blink 2.4s infinite alternate; }
.node-1 { left: 7%; top: 23%; }.node-2 { left: 72%; top: 14%; animation-delay: .8s; }.node-3 { left: 82%; top: 52%; animation-delay: 1.2s; }.node-4 { left: 16%; top: 68%; }.node-5 { left: 57%; top: 77%; animation-delay: .5s; }.node-6 { left: 42%; top: 8%; }
.line { height: 1px; position: absolute; transform-origin: left; background: linear-gradient(90deg, rgba(0,210,242,.05), rgba(0,210,242,.4), rgba(0,210,242,.05)); }
.line-1 { width: 310px; left: 10%; top: 24%; transform: rotate(10deg); }.line-2 { width: 310px; left: 22%; top: 40%; transform: rotate(-22deg); }.line-3 { width: 260px; left: 20%; top: 68%; transform: rotate(-42deg); }.line-4 { width: 290px; left: 45%; top: 41%; transform: rotate(24deg); }
.match-card { position: absolute; display: flex; align-items: center; gap: 11px; min-width: 174px; padding: 13px 15px; border: 1px solid rgba(106,190,255,.22); border-radius: 13px; background: rgba(7,27,59,.82); backdrop-filter: blur(8px); box-shadow: 0 16px 34px rgba(0,0,0,.16); }
.match-card b, .match-card small { display: block; }.match-card b { font-size: 13px; }.match-card small { color: #8799b6; font-size: 10px; margin-top: 3px; }
.card-a { right: 0; top: 26%; animation: float 4s ease-in-out infinite; }.card-b { left: 3%; bottom: 15%; animation: float 4s 1s ease-in-out infinite; }
.avatar { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; color: #fff; font-weight: 800; background: linear-gradient(140deg, var(--pink), #ff8d68); }
.status { width: 7px; height: 7px; border-radius: 50%; margin-left: auto; background: #25e88a; box-shadow: 0 0 10px #25e88a; }
.pulse-icon { width: 37px; height: 37px; display: grid; place-items: center; border-radius: 9px; color: var(--cyan); background: rgba(0,210,242,.09); }
.hero-stats { position: absolute; z-index: 4; left: 0; right: 0; bottom: 0; border-top: 1px solid rgba(255,255,255,.1); background: rgba(3,15,34,.38); backdrop-filter: blur(10px); }
.stats-grid { min-height: 92px; display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-grid > div { display: flex; flex-direction: column; justify-content: center; padding-left: 30px; border-left: 1px solid rgba(255,255,255,.1); }
.stats-grid > div:last-child { border-right: 1px solid rgba(255,255,255,.1); }
.stats-grid strong { font-size: 25px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--cyan); letter-spacing: 1px; }
.stats-grid div:nth-child(2) strong::after { content: "大"; font-size: 12px; margin-left: 3px; }.stats-grid div:nth-child(3) strong::after { content: "天"; font-size: 12px; margin-left: 3px; }.stats-grid div:nth-child(4) strong::after { content: "套"; font-size: 12px; margin-left: 3px; }
.stats-grid span { color: #8796b2; font-size: 12px; margin-top: 5px; }

.section { padding: 110px 0; }
.section-heading h2 { margin: 17px 0 15px; font-size: clamp(30px, 3.5vw, 44px); line-height: 1.25; letter-spacing: -1.4px; }
.section-heading p { margin: 0; max-width: 620px; color: var(--text); font-size: 15px; line-height: 1.85; }
.section-heading.centered { text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading.centered p { margin-inline: auto; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 60px; }
.service-card { min-height: 436px; padding: 32px 27px 26px; position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 14px 35px rgba(14,32,65,.045); transition: transform .3s, box-shadow .3s, border-color .3s; }
.service-card::before { content: ""; position: absolute; inset: auto 0 0; height: 3px; transform: scaleX(0); background: linear-gradient(90deg, var(--cyan), var(--blue)); transition: transform .3s; transform-origin: left; }
.service-card:hover { transform: translateY(-7px); border-color: rgba(8,123,255,.24); box-shadow: var(--shadow); }.service-card:hover::before { transform: scaleX(1); }
.service-card.featured { color: #fff; border: 0; background: linear-gradient(145deg, #0a2551, #074784); box-shadow: 0 22px 45px rgba(6,47,99,.2); }
.service-card.featured::after { content: ""; position: absolute; width: 180px; height: 180px; border-radius: 50%; right: -100px; top: -80px; border: 35px solid rgba(0,210,242,.07); }
.service-number { position: absolute; top: 26px; right: 25px; color: #d8e0eb; font: 700 34px/1 ui-monospace, monospace; }.featured .service-number { color: rgba(255,255,255,.12); }
.service-icon { width: 54px; height: 54px; position: relative; display: grid; place-items: center; border-radius: 14px; color: var(--blue); background: #edf6ff; }
.featured .service-icon { color: #fff; background: linear-gradient(145deg, rgba(0,210,242,.35), rgba(8,123,255,.5)); }
.icon-users span, .icon-users i { position: absolute; border: 2px solid currentColor; border-radius: 50%; }.icon-users span { width: 15px; height: 15px; top: 12px; }.icon-users i { width: 26px; height: 15px; bottom: 10px; border-radius: 13px 13px 7px 7px; }
.icon-video span { font-size: 16px; margin-left: 3px; }
.icon-chat span { width: 28px; height: 21px; border: 2px solid currentColor; border-radius: 8px; }.icon-chat i { width: 8px; height: 8px; position: absolute; bottom: 13px; left: 15px; border-left: 2px solid currentColor; transform: rotate(-32deg); }
.icon-data span, .icon-data i, .icon-data b { width: 5px; position: absolute; bottom: 14px; border-radius: 4px; background: currentColor; }.icon-data span { height: 13px; left: 16px; }.icon-data i { height: 22px; left: 25px; }.icon-data b { height: 30px; left: 34px; }
.service-card h3 { margin: 24px 0 13px; font-size: 20px; }.service-card p { color: var(--text); line-height: 1.8; font-size: 13px; min-height: 70px; }.featured p { color: rgba(229,239,255,.7); }
.service-card ul { list-style: none; padding: 0; margin: 22px 0 27px; color: #617089; font-size: 12px; display: flex; flex-direction: column; gap: 9px; }.featured ul { color: rgba(226,238,255,.76); }.service-card li::before { content: ""; display: inline-block; width: 5px; height: 5px; margin: 0 9px 2px 0; border-radius: 50%; background: var(--cyan); }
.service-card > a { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-weight: 700; font-size: 13px; }.featured > a { color: var(--cyan); }.service-card > a span { transition: transform .25s; }.service-card > a:hover span { transform: translate(3px, -3px); }

.growth { color: #fff; position: relative; overflow: hidden; background: linear-gradient(125deg, #06152d, #0a2851 58%, #074275); }
.growth::before { content: ""; position: absolute; inset: 0; opacity: .28; background-image: radial-gradient(rgba(82,186,255,.55) .7px, transparent .7px); background-size: 25px 25px; mask-image: linear-gradient(90deg, black, transparent 45%, black); }
.growth-layout { min-height: 510px; display: grid; grid-template-columns: .93fr 1.07fr; align-items: center; gap: 60px; position: relative; }
.growth .section-heading p { color: rgba(220,232,250,.65); }
.advantage-list { margin-top: 42px; display: grid; gap: 13px; }
.advantage-list > div { display: flex; align-items: center; gap: 18px; padding: 15px 18px; border: 1px solid rgba(255,255,255,.1); border-radius: 12px; background: rgba(255,255,255,.04); transition: .3s; }.advantage-list > div:hover { transform: translateX(7px); background: rgba(255,255,255,.07); border-color: rgba(0,210,242,.25); }
.advantage-list > div > span { font: 700 13px ui-monospace, monospace; color: var(--cyan); }.advantage-list section { border-left: 1px solid rgba(255,255,255,.12); padding-left: 18px; }.advantage-list h3 { margin: 0 0 5px; font-size: 15px; }.advantage-list p { margin: 0; color: #8fa2bf; font-size: 12px; }
.growth-visual { width: 520px; height: 520px; position: relative; margin-left: auto; }
.radar-circle { position: absolute; border: 1px solid rgba(0,210,242,.19); border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%, -50%); }.radar-1 { width: 180px; height: 180px; }.radar-2 { width: 330px; height: 330px; }.radar-3 { width: 485px; height: 485px; }
.radar-line { position: absolute; left: 50%; top: 50%; width: 235px; height: 1px; transform-origin: left; background: linear-gradient(90deg, rgba(0,210,242,.45), transparent); animation: scan 8s linear infinite; }
.center-logo { position: absolute; left: 50%; top: 50%; width: 118px; height: 118px; transform: translate(-50%, -50%); border-radius: 50%; display: grid; place-items: center; align-content: center; background: #071a38; border: 1px solid rgba(0,210,242,.5); box-shadow: 0 0 40px rgba(0,210,242,.16); }.center-logo span { font-weight: 800; font-size: 25px; color: var(--cyan); }.center-logo small { font-size: 10px; color: #8297b5; margin-top: 4px; }
.orbit-item { position: absolute; width: 90px; height: 90px; padding: 11px; display: flex; align-items: center; gap: 8px; border-radius: 50%; background: rgba(7,27,58,.9); border: 1px solid rgba(86,170,255,.25); box-shadow: 0 10px 30px rgba(0,0,0,.18); }.orbit-item i { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; font: normal 700 9px ui-monospace, monospace; color: var(--cyan); background: rgba(0,210,242,.1); }.orbit-item span { font-size: 11px; line-height: 1.5; color: #c6d5e8; }.orbit-1 { left: 3px; top: 122px; }.orbit-2 { right: 2px; top: 73px; }.orbit-3 { right: 13px; bottom: 65px; }.orbit-4 { left: 35px; bottom: 40px; }

.process { background: var(--soft); }
.process-list { margin-top: 60px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }.process-list::before { content: ""; position: absolute; left: 12%; right: 12%; top: 38px; height: 1px; background: linear-gradient(90deg, transparent, #cdd9e9 10%, #cdd9e9 90%, transparent); }
.process-list article { position: relative; text-align: center; padding: 0 23px; }.process-list article > span { width: 76px; height: 76px; display: grid; place-items: center; margin: 0 auto 25px; border-radius: 50%; position: relative; z-index: 2; font: 700 17px ui-monospace, monospace; color: var(--blue); background: #fff; border: 1px solid #dae4f0; box-shadow: 0 10px 25px rgba(20,43,77,.07); transition: .3s; }.process-list article:hover > span { color: #fff; transform: scale(1.08); background: linear-gradient(145deg, var(--cyan), var(--blue)); border-color: transparent; box-shadow: 0 12px 28px rgba(8,123,255,.26); }
.process-list i { font-style: normal; color: var(--blue); font-size: 11px; font-weight: 700; }.process-list h3 { font-size: 18px; margin: 7px 0 10px; }.process-list p { margin: 0; color: var(--text); font-size: 12px; line-height: 1.7; }

.about-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.about-visual { min-height: 510px; position: relative; }
.about-card-main { width: 88%; height: 470px; padding: 44px; position: relative; overflow: hidden; border-radius: 18px; color: #fff; background: linear-gradient(145deg, #07172f, #0b386d); box-shadow: var(--shadow); }.about-card-main::before { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; right: -150px; bottom: -160px; border: 70px solid rgba(0,210,242,.06); }.about-card-main::after { content: ""; position: absolute; width: 1px; height: 260px; right: 34%; top: 25%; transform: rotate(32deg); background: linear-gradient(transparent, rgba(0,210,242,.6), transparent); }
.tiny-label { font: 700 10px ui-monospace, monospace; letter-spacing: 2px; color: var(--cyan); }.about-card-main strong { display: block; font-size: 34px; line-height: 1.4; margin-top: 26px; }
.about-ring { width: 170px; height: 170px; position: absolute; right: 46px; bottom: 44px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(0,210,242,.4); box-shadow: inset 0 0 0 28px rgba(0,210,242,.025), inset 0 0 0 29px rgba(0,210,242,.14); }.about-ring span { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 17px; font-size: 27px; font-weight: 800; background: linear-gradient(145deg, var(--cyan), var(--blue)); box-shadow: 0 0 30px rgba(0,210,242,.3); }
.about-mini-card { position: absolute; right: 0; bottom: 0; width: 210px; padding: 23px 25px; display: flex; flex-direction: column; border-radius: 14px; background: #fff; box-shadow: 0 18px 45px rgba(11,32,62,.14); }.about-mini-card b { color: var(--blue); font: 700 28px ui-monospace, monospace; }.about-mini-card span { color: var(--muted); font-size: 12px; margin-top: 5px; }
.about-copy > p { color: var(--text); line-height: 2; font-size: 14px; margin: 20px 0 0; }
.company-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; }.company-facts div { min-height: 78px; padding: 17px 18px; display: flex; flex-direction: column; justify-content: center; border-left: 2px solid var(--cyan); border-radius: 8px; background: var(--soft); }.company-facts span { color: var(--muted); font-size: 11px; }.company-facts b { margin-top: 6px; font-size: 13px; }

.cta-section { padding-top: 40px; background: linear-gradient(#fff 52%, #07162f 52%); }
.cta-panel { min-height: 450px; padding: 60px 64px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; position: relative; overflow: hidden; color: #fff; border-radius: 22px; background: radial-gradient(circle at 10% 100%, rgba(0,210,242,.18), transparent 32%), linear-gradient(125deg, #0a2349, #07568d); box-shadow: 0 30px 70px rgba(7,32,69,.2); }.cta-panel::after { content: ""; position: absolute; width: 340px; height: 340px; border-radius: 50%; left: -180px; top: -180px; border: 60px solid rgba(255,255,255,.025); }
.cta-copy h2 { margin: 20px 0 18px; font-size: clamp(30px, 3vw, 43px); line-height: 1.3; }.cta-copy > p { color: rgba(225,238,253,.7); line-height: 1.8; font-size: 14px; }.contact-points { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 31px; color: #b7c9df; font-size: 12px; }.contact-points span { display: flex; align-items: center; gap: 6px; }.contact-points i { width: 18px; height: 18px; display: grid; place-items: center; border-radius: 50%; font-style: normal; font-size: 9px; color: var(--cyan); border: 1px solid rgba(0,210,242,.35); }
.contact-form { padding: 30px; position: relative; z-index: 2; border-radius: 16px; color: var(--ink); background: #fff; box-shadow: 0 20px 50px rgba(0,0,0,.14); }.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }.contact-form label { display: block; margin-bottom: 13px; font-size: 11px; font-weight: 700; color: #526076; }.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: 7px; padding: 11px 13px; border: 1px solid #dde6f0; border-radius: 7px; outline: none; color: var(--ink); background: #f8fafc; transition: border .2s, box-shadow .2s; }.contact-form textarea { resize: vertical; min-height: 72px; }.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(8,123,255,.09); }.contact-form .invalid { border-color: #e85066; }.contact-form .button { width: 100%; min-height: 47px; }.form-note { text-align: center; color: #a0a8b5; font-size: 10px; margin: 10px 0 0; }.form-status { min-height: 18px; text-align: center; font-size: 11px; color: #0e9b5f; margin-top: 5px; }

.site-footer { padding: 70px 0 22px; color: #fff; background: #07162f; }.footer-main { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; padding-bottom: 50px; }.brand-light .brand-text small { color: #6c7b94; }.footer-brand p { max-width: 360px; margin: 22px 0 0; color: #7e8da5; font-size: 13px; line-height: 1.8; }.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; }.footer-links div { display: flex; flex-direction: column; gap: 14px; }.footer-links b { font-size: 13px; margin-bottom: 8px; }.footer-links a, .footer-links span { color: #7e8da5; font-size: 12px; transition: color .2s; }.footer-links a:hover { color: var(--cyan); }.footer-bottom { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); color: #63728a; font-size: 11px; }
.footer-bottom a { color: #63728a; transition: color .2s; }
.footer-bottom a:hover { color: var(--cyan); }
.back-top { width: 44px; height: 44px; position: fixed; z-index: 30; right: 24px; bottom: 24px; border: 0; border-radius: 10px; color: #fff; background: var(--blue); box-shadow: 0 10px 25px rgba(8,123,255,.25); opacity: 0; transform: translateY(20px); pointer-events: none; cursor: pointer; transition: .3s; }.back-top.show { opacity: 1; transform: none; pointer-events: auto; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }.reveal.visible { opacity: 1; transform: none; }.service-card:nth-child(2), .process-list article:nth-child(2) { transition-delay: .08s; }.service-card:nth-child(3), .process-list article:nth-child(3) { transition-delay: .16s; }.service-card:nth-child(4), .process-list article:nth-child(4) { transition-delay: .24s; }
@keyframes ripple { 0% { transform: scale(.8); opacity: .6; } 70%,100% { transform: scale(1.2); opacity: 0; } }
@keyframes blink { from { opacity: .35; transform: scale(.8); } to { opacity: 1; transform: scale(1.3); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes scan { to { transform: rotate(360deg); } }

@media (max-width: 1080px) {
  .site-nav { gap: 20px; }
  .hero-content { width: 61%; }
  .network { right: -130px; opacity: .74; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card { min-height: 390px; }
  .growth-layout { grid-template-columns: 1fr 1fr; gap: 20px; }
  .growth-visual { transform: scale(.82); transform-origin: right center; }
  .about-layout { gap: 45px; }
  .cta-panel { gap: 40px; padding: 50px 42px; }
}

@media (max-width: 820px) {
  .container { width: min(100% - 34px, 680px); }
  .site-header, .site-header.scrolled { height: 68px; }
  .menu-toggle { display: block; cursor: pointer; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }.menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }.menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 68px 0 0; padding: 35px 28px; display: flex; flex-direction: column; align-items: stretch; gap: 0; background: rgba(255,255,255,.98); transform: translateX(100%); transition: transform .3s; }.site-nav.open { transform: none; }.site-nav > a { padding: 17px 5px; border-bottom: 1px solid var(--line); font-size: 16px; }.site-nav > a::after { display: none; }.site-nav .nav-cta { margin-top: 20px; text-align: center; border: 0; }
  .hero { min-height: 850px; padding-top: 68px; }
  .hero-layout { min-height: 620px; align-items: flex-start; padding-top: 110px; }
  .hero-content { width: 100%; position: relative; z-index: 3; }.hero h1 { font-size: 47px; max-width: 650px; }.hero-content > p { max-width: 600px; }
  .network { right: -210px; top: 290px; opacity: .35; transform: scale(.78); }
  .stats-grid { grid-template-columns: 1fr 1fr; padding: 8px 0; }.stats-grid > div { min-height: 68px; }.stats-grid > div:nth-child(3) { border-top: 1px solid rgba(255,255,255,.08); }.stats-grid > div:nth-child(4) { border-top: 1px solid rgba(255,255,255,.08); }
  .section { padding: 85px 0; }
  .growth-layout, .about-layout, .cta-panel, .footer-main { grid-template-columns: 1fr; }
  .growth-layout { gap: 35px; }.growth-visual { margin: 0 auto; transform: scale(.9); transform-origin: center; }
  .process-list { grid-template-columns: 1fr 1fr; gap: 45px 10px; }.process-list::before { display: none; }
  .about-visual { width: min(540px, 100%); margin: 0 auto; }.about-layout { gap: 60px; }
  .cta-section { background: linear-gradient(#fff 30%, #07162f 30%); }.cta-panel { padding: 48px 42px; }
  .footer-main { gap: 45px; }.footer-links { max-width: 600px; }
}

@media (max-width: 560px) {
  .container { width: calc(100% - 28px); }
  .brand { font-size: 18px; }.brand-mark { width: 38px; height: 38px; border-radius: 10px; }
  .hero { min-height: 890px; }.hero-layout { padding-top: 82px; align-items: flex-start; }.hero h1 { font-size: 38px; letter-spacing: -1.7px; margin-top: 19px; }.hero-content > p { font-size: 15px; line-height: 1.8; }.hero-actions { flex-direction: column; align-items: stretch; }.hero-trust { flex-wrap: wrap; gap: 10px 18px; }.network { transform: scale(.62); right: -245px; top: 350px; }
  .stats-grid > div { padding-left: 17px; }.stats-grid strong { font-size: 21px; }
  .section { padding: 72px 0; }.section-heading h2 { font-size: 30px; }
  .service-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 42px; }.service-card { min-height: auto; }.service-card p { min-height: 0; }
  .growth { padding-bottom: 30px; }.growth-visual { width: 480px; height: 480px; margin-left: 50%; transform: translateX(-50%) scale(.71); transform-origin: left center; }
  .process-list { grid-template-columns: 1fr; gap: 35px; margin-top: 45px; }.process-list article { max-width: 300px; margin: 0 auto; }
  .about-visual { min-height: 400px; }.about-card-main { width: 94%; height: 380px; padding: 31px; }.about-card-main strong { font-size: 28px; }.about-ring { width: 135px; height: 135px; right: 25px; bottom: 35px; }.about-mini-card { width: 175px; padding: 18px; }.company-facts { grid-template-columns: 1fr; }
  .cta-panel { padding: 38px 20px; border-radius: 15px; }.contact-form { padding: 23px 18px; }.form-row { grid-template-columns: 1fr; gap: 0; }.contact-points { flex-direction: column; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 35px 25px; }.footer-links div:last-child { grid-column: 1 / -1; }.footer-bottom { flex-direction: column; gap: 8px; }
}

.floating-contact { position: fixed; right: 24px; bottom: 84px; bottom: calc(84px + env(safe-area-inset-bottom, 0px)); z-index: 40; display: grid; gap: 8px; }
.contact-widget-title { width: 58px; padding: 10px 3px; border-radius: 10px; background: var(--blue); color: #fff; text-align: center; font-size: 12px; font-weight: 700; white-space: nowrap; box-shadow: 0 6px 24px rgba(7,22,47,.15); }
.contact-item > summary { width: 58px; min-height: 64px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; list-style: none; cursor: pointer; border: 1px solid #dce8f5; border-radius: 12px; background: #fff; color: var(--blue); box-shadow: 0 6px 24px rgba(7,22,47,.15); font-size: 12px; font-weight: 700; transition: background .2s, color .2s; }
.contact-item > summary::-webkit-details-marker { display: none; }
.contact-item > summary svg { width: 24px; height: 24px; }
.contact-wechat > summary { color: #159447; }
.contact-item[open] > summary, .contact-item > summary:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.contact-wechat[open] > summary, .contact-wechat > summary:hover { background: #159447; border-color: #159447; }
.contact-item > summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.contact-popover { position: absolute; right: 72px; bottom: 0; width: 272px; max-width: calc(100vw - 110px); max-height: calc(100dvh - 170px); overflow: auto; padding: 20px; text-align: center; border: 1px solid var(--line); border-radius: 14px; color: var(--ink); background: #fff; box-shadow: var(--shadow); }
.contact-popover h3 { margin: 0 0 14px; font-size: 17px; }
.contact-popover p { margin: 12px 0 0; font-size: 12px; line-height: 1.6; color: var(--text); }
.contact-phone { font-size: 22px; font-weight: 800; color: var(--blue); white-space: nowrap; }
.contact-popover img { display: block; width: 100%; height: auto; padding: 10px; background: #fff; }
.qr-download { display: inline-block; margin-top: 12px; color: var(--blue); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 560px) {
  .floating-contact { right: 14px; }
  .contact-popover { right: 66px; max-width: calc(100vw - 94px); padding: 16px; }
  .contact-phone { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}