@charset "UTF-8";

:root {
  --ink: #101a29;
  --muted: #637083;
  --navy: #07111f;
  --navy-2: #0b1b2c;
  --blue: #4f91ff;
  --cyan: #49d4c8;
  --paper: #f5f7fa;
  --white: #fff;
  --line: rgba(16, 26, 41, .11);
  --light-line: rgba(255, 255, 255, .13);
  --wrap: min(1180px, calc(100% - 48px));
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 78px; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
svg, img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
::selection { color: #fff; background: #3979dc; }
.wrap { width: var(--wrap); margin-inline: auto; }

.header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: 78px;
  color: #fff;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.header.is-scrolled {
  background: rgba(7, 17, 31, .86);
  border-color: rgba(255, 255, 255, .08);
  backdrop-filter: blur(16px);
}
.header__inner { height: 100%; display: flex; align-items: center; gap: 38px; }
.logo { display: flex; align-items: center; gap: 9px; width: 142px; }
.logo__mark { width: 30px !important; height: 30px; flex: 0 0 30px; border-radius: 8px; }
.logo__wordmark { width: 103px !important; height: auto; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 30px; }
.nav a { position: relative; color: rgba(255,255,255,.68); font-size: 13px; transition: color .2s ease; }
.nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 1px; background: #fff; transition: right .2s ease; }
.nav a:hover, .nav a.is-active { color: #fff; }
.nav a:hover::after, .nav a.is-active::after { right: 0; }
.header__contact { padding: 10px 17px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; font-size: 12px; }
.header__contact:hover { color: var(--navy); background: #fff; }
.menu { display: none; }

.hero {
  position: relative;
  min-height: 760px;
  color: #fff;
  background:
    radial-gradient(circle at 83% 18%, rgba(65, 139, 247, .19), transparent 28%),
    radial-gradient(circle at 18% 82%, rgba(65, 194, 187, .08), transparent 24%),
    var(--navy);
  overflow: hidden;
}
.hero::after { content: ""; position: absolute; left: -15%; top: 18%; width: 54vw; height: 54vw; max-width: 720px; max-height: 720px; border: 1px solid rgba(110,190,255,.08); border-radius: 50%; box-shadow: 0 0 0 34px rgba(92,172,235,.025), 0 0 0 78px rgba(92,172,235,.018); animation: hero-orbit 20s linear infinite; pointer-events: none; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 85%, transparent); }
.hero__lines { position: absolute; inset: 0; opacity: .25; background: linear-gradient(115deg, transparent 32%, rgba(78,143,247,.18) 32.1%, transparent 32.35%, transparent 67%, rgba(85,201,195,.12) 67.1%, transparent 67.4%); }
.hero__inner { position: relative; z-index: 2; min-height: 760px; padding: 138px 0 86px; display: grid; grid-template-columns: 1.03fr .97fr; gap: 72px; align-items: center; }
.overline, .section-mark { margin-bottom: 20px; color: #7891b4; font-size: 10px; letter-spacing: .18em; }
.hero .overline { color: rgba(255,255,255,.45); }
.hero h1 { margin-bottom: 28px; font-size: clamp(50px, 5.7vw, 80px); line-height: 1.08; letter-spacing: -.055em; font-weight: 630; }
.hero h1 em { color: #fff; font-style: normal; background: linear-gradient(90deg, #fff, #8ec5ff 55%, #7ce1d8); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero__lead { max-width: 660px; margin-bottom: 32px; color: rgba(255,255,255,.6); font-size: 16px; line-height: 1.9; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { min-height: 49px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-size: 13px; font-weight: 600; transition: transform .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn--light { color: var(--navy); background: #fff; }
.btn--line { color: #fff; border: 1px solid rgba(255,255,255,.19); background: rgba(255,255,255,.025); }
.btn--line:hover { background: rgba(255,255,255,.08); }
.hero__scope { margin-top: 40px; padding-top: 22px; display: flex; flex-wrap: wrap; gap: 22px; border-top: 1px solid rgba(255,255,255,.11); }
.hero__scope span { position: relative; padding-left: 14px; color: rgba(255,255,255,.38); font-size: 11px; }
.hero__scope span::before { content: ""; position: absolute; left: 0; top: 6px; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }
.hero__visual { perspective: 1000px; }

.blueprint { position: relative; min-height: 390px; overflow: visible; transform: rotateY(-4deg) rotateX(1.5deg); transition: transform .2s ease-out; }
.blueprint::before { content: ""; position: absolute; left: 50%; top: 50%; width: 245px; height: 245px; border: 1px solid rgba(105,198,255,.11); border-radius: 50%; box-shadow: 0 0 0 25px rgba(91,173,241,.025), 0 0 0 55px rgba(91,173,241,.018); transform: translate(-50%, -50%); animation: halo-breathe 4.5s ease-in-out infinite; pointer-events: none; }
.blueprint__head, .blueprint__foot { position: absolute; z-index: 4; left: 0; right: 0; min-height: 30px; padding: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; border: 0; }
.blueprint__head { top: 8px; }
.blueprint__foot { bottom: 4px; }
.blueprint__head span { font-size: 11px; }
.blueprint__head small { color: rgba(255,255,255,.35); font-size: 8px; letter-spacing: .16em; }
.blueprint__canvas { position: relative; min-height: 440px; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 36px 36px; }
.blueprint__path { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: rgba(100, 175, 228, .42); stroke-width: 1; stroke-dasharray: 6 8; animation: dash 13s linear infinite; }
.blueprint__core { position: absolute; left: 50%; top: 50%; width: 148px; height: 112px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid rgba(121,194,241,.4); border-radius: 18px; background: linear-gradient(145deg, rgba(57,120,205,.32), rgba(55,197,188,.12)); box-shadow: 0 0 55px rgba(54, 135, 225, .18); transform: translate(-50%,-50%); }
.blueprint__core b { font-size: 18px; }
.blueprint__core span { margin-top: 7px; color: rgba(255,255,255,.42); font-size: 9px; }
.blueprint__item { position: absolute; width: 112px; padding: 14px; border: 1px solid rgba(255,255,255,.12); border-radius: 13px; background: rgba(7,17,31,.8); }
.blueprint__item small { display: block; margin-bottom: 7px; color: #66c9c4; font-size: 7px; letter-spacing: .16em; }
.blueprint__item b { font-size: 12px; }
.item--a { left: 8%; top: 12%; }
.item--b { right: 7%; top: 12%; }
.item--c { left: 8%; bottom: 12%; }
.item--d { right: 7%; bottom: 12%; }
.blueprint__pulse { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #75d8d1; box-shadow: 0 0 0 7px rgba(117,216,209,.1), 0 0 18px rgba(117,216,209,.7); }
.pulse--a { left: 31%; top: 50%; animation: pulse-a 4.8s ease-in-out infinite; }
.pulse--b { right: 31%; top: 50%; animation: pulse-b 5.6s ease-in-out infinite; }
.blueprint__foot { min-height: 30px; border: 0; }
.blueprint__foot span { color: rgba(255,255,255,.4); font-size: 9px; }
.blueprint__head > span { display: inline-flex; align-items: center; gap: 8px; }
.status-dot { width: 6px; height: 6px; display: inline-block; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(73,212,200,.1); }
.blueprint__foot b { color: #70d7cc; font-size: 8px; letter-spacing: .14em; font-weight: 500; }
.blueprint__canvas { min-height: 390px; padding: 55px 0 42px; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr auto; gap: 12px; align-items: center; overflow: visible; background-image: radial-gradient(ellipse at 50% 44%, rgba(74,145,255,.2), transparent 38%), linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px); background-size: auto, 34px 34px, 34px 34px; mask-image: radial-gradient(ellipse at center, #000 35%, rgba(0,0,0,.7) 70%, transparent 100%); }
.blueprint__canvas::before, .blueprint__canvas::after { content: ""; position: absolute; left: 50%; top: 8%; width: 1px; height: 78%; background: linear-gradient(transparent, rgba(102,201,196,.42), transparent); box-shadow: 0 0 12px rgba(102,201,196,.4); }
.blueprint__canvas::after { width: 72%; height: 1px; left: 14%; top: 45%; background: linear-gradient(90deg, transparent, rgba(102,201,196,.36), transparent); box-shadow: none; }
.blueprint__canvas > .blueprint__orb::after { content: ""; position: absolute; left: -80px; right: -80px; top: 50%; height: 1px; background: linear-gradient(90deg, transparent, rgba(117,216,209,.6), transparent); animation: scan-line 3.4s ease-in-out infinite; }
.blueprint__orb { position: absolute; left: 50%; top: 43%; width: 104px; height: 104px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid rgba(118,198,239,.7); border-radius: 50%; background: radial-gradient(circle, rgba(72,151,235,.34), rgba(22,54,83,.76) 62%, rgba(7,17,31,.8)); box-shadow: 0 0 0 8px rgba(92,180,231,.05), 0 0 65px rgba(58,139,229,.3); transform: translate(-50%, -50%); z-index: 2; }
.blueprint__orb::before { content: ""; position: absolute; inset: -16px; border: 1px dashed rgba(112,207,201,.34); border-radius: 50%; animation: orb-spin 18s linear infinite; }
.blueprint__orb span { color: #8ed8ff; font-size: 22px; font-weight: 650; letter-spacing: -.06em; }
.blueprint__orb b { margin-top: 3px; font-size: 13px; }
.blueprint__orb small { margin-top: 8px; color: rgba(255,255,255,.4); font-size: 6px; letter-spacing: .12em; }
.blueprint__rail { position: relative; z-index: 3; width: 132px; padding: 11px 12px; border: 1px solid rgba(133,207,255,.2); border-radius: 10px; background: rgba(7,17,31,.5); box-shadow: 0 14px 30px rgba(0,0,0,.12), inset 0 1px rgba(255,255,255,.08); backdrop-filter: blur(8px); }
.blueprint__rail small { display: block; margin-bottom: 10px; color: #67c9c4; font-size: 7px; letter-spacing: .15em; }
.blueprint__rail b { display: block; font-size: 12px; font-weight: 550; }
.blueprint__rail span { display: block; margin-top: 7px; color: rgba(255,255,255,.36); font-size: 9px; }
.rail--left { align-self: start; }
.rail--right { justify-self: end; align-self: start; }
.blueprint__metrics { grid-column: 1 / -1; position: relative; z-index: 3; display: grid; grid-template-columns: repeat(3, 1fr); padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }
.blueprint__metrics span { display: flex; flex-direction: column; gap: 5px; }
.blueprint__metrics span + span { padding-left: 17px; border-left: 1px solid rgba(255,255,255,.1); }
.blueprint__metrics b { font-size: 17px; font-weight: 500; }
.blueprint__metrics small { color: rgba(255,255,255,.35); font-size: 8px; }
.blueprint__metrics span { position: relative; }
.blueprint__metrics span::before { content: ""; width: 4px; height: 4px; position: absolute; right: 12px; top: 3px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.hero__scroll { position: absolute; z-index: 3; left: 50%; bottom: 24px; width: 22px; height: 38px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; transform: translateX(-50%); }
.hero__scroll span { position: absolute; left: 50%; top: 8px; width: 3px; height: 6px; border-radius: 99px; background: rgba(255,255,255,.65); animation: scroll 1.8s ease-in-out infinite; }

.intro { padding: 132px 0 120px; background: #fff; }
.intro__inner { display: grid; grid-template-columns: .46fr 1.1fr .9fr; gap: 55px; align-items: start; }
.intro h2, .section-head h2, .method h2, .about h2, .contact h2 { margin: 0; font-size: clamp(37px, 4.4vw, 59px); line-height: 1.16; letter-spacing: -.045em; font-weight: 620; }
.intro__text p { color: var(--muted); font-size: 14px; line-height: 1.95; }

.scene-strip { color: #fff; background: #0c1c2d; border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08); }
.scene-strip__inner { min-height: 88px; display: flex; align-items: center; gap: 34px; }
.scene-strip__label { color: rgba(255,255,255,.4); font-size: 10px; letter-spacing: .18em; white-space: nowrap; }
.scene-strip__items { display: flex; flex: 1; justify-content: space-between; gap: 20px; }
.scene-strip__items span { position: relative; padding-left: 14px; color: rgba(255,255,255,.75); font-size: 12px; white-space: nowrap; }
.scene-strip__items span::before { content: ""; position: absolute; left: 0; top: 5px; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }
.scene-strip__note { color: rgba(255,255,255,.32); font-size: 10px; white-space: nowrap; }

.services { padding: 128px 0; background: var(--paper); }
.section-head { margin-bottom: 56px; display: grid; grid-template-columns: 1fr .65fr; gap: 80px; align-items: end; }
.section-head > p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.services__layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 18px; }
.services__side { display: grid; gap: 18px; }
.service { position: relative; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.76); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.service::before { content: ""; position: absolute; left: -70%; top: 0; width: 42%; height: 1px; background: linear-gradient(90deg, transparent, rgba(79,145,255,.8), transparent); transition: left .6s ease; }
.service:hover::before { left: 115%; }
.service:hover { transform: translateY(-5px); border-color: rgba(77,141,247,.26); box-shadow: 0 25px 70px rgba(25,49,76,.1); }
.service::after { content: ""; position: absolute; right: -80px; bottom: -105px; width: 210px; height: 210px; border: 1px solid rgba(77,141,247,.12); border-radius: 50%; }
.service--main { min-height: 520px; display: flex; flex-direction: column; }
.service--small { min-height: 251px; }
.service--dark { color: #fff; border-color: transparent; background: linear-gradient(145deg, #0a1727, #10263b); }
.service__top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.service__top > span { color: #6b7890; font-size: 10px; letter-spacing: .15em; }
.service--dark .service__top > span { color: rgba(255,255,255,.4); }
.service__top svg { width: 35px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.service h3 { max-width: 620px; margin: 74px 0 18px; font-size: 28px; line-height: 1.35; letter-spacing: -.03em; }
.service--small h3 { margin-top: 40px; font-size: 22px; }
.service p { max-width: 620px; color: var(--muted); font-size: 13px; line-height: 1.85; }
.service--dark p { color: rgba(255,255,255,.52); }
.service ul { margin: auto 0 0; padding: 24px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px 24px; border-top: 1px solid var(--line); list-style: none; }
.service li { position: relative; padding-left: 14px; color: #536077; font-size: 12px; }
.service li::before { content: ""; position: absolute; left: 0; top: 6px; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); }

.method { padding: 126px 0; color: #fff; background: var(--navy); }
.method__inner { display: grid; grid-template-columns: .78fr 1.22fr; gap: 95px; }
.method__intro > p:last-child { max-width: 480px; margin-top: 28px; color: rgba(255,255,255,.48); font-size: 14px; line-height: 1.9; }
.method .section-mark { color: rgba(255,255,255,.38); }
.method__steps { border-top: 1px solid var(--light-line); }
.method__steps article { min-height: 118px; padding: 25px 0; display: grid; grid-template-columns: 170px 1fr; gap: 28px; align-items: center; border-bottom: 1px solid var(--light-line); transition: padding-left .2s ease, background .2s ease; }
.method__steps article:hover { padding-left: 14px; background: linear-gradient(90deg, rgba(77,141,247,.08), transparent); }
.method__steps span { font-size: 17px; }
.method__steps p { margin: 0; color: rgba(255,255,255,.47); font-size: 13px; line-height: 1.8; }

.capability { padding: 130px 0; background: #fff; }
.capability__grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.capability__grid article { min-height: 190px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .2s ease; }
.capability__grid article:hover { background: radial-gradient(circle at 85% 15%, rgba(79,145,255,.1), transparent 35%), #f7f9fc; }
.capability__grid article:hover small { color: rgba(77,141,247,.9); }
.capability__grid b { display: block; margin-bottom: 42px; font-size: 17px; }
.capability__grid p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

.about { padding: 138px 0; background: var(--paper); }
.about__inner { display: grid; grid-template-columns: .82fr 1.18fr; gap: 100px; align-items: center; }
.about__panel { position: relative; min-height: 510px; padding: 38px; display: flex; flex-direction: column; justify-content: space-between; color: #fff; border-radius: 28px; background: radial-gradient(circle at 78% 18%, rgba(77,141,247,.32), transparent 30%), linear-gradient(145deg, #07111f, #10283b); overflow: hidden; box-shadow: 0 34px 90px rgba(19,45,74,.22); }
.about__panel::after { content: ""; position: absolute; right: -90px; bottom: -110px; width: 300px; height: 300px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 42px rgba(255,255,255,.025); }
.about__brand { display: flex; align-items: center; gap: 20px; }
.about__brand { align-items: center; }
.about__mark { width: 54px !important; height: 54px; border-radius: 13px; }
.about__wordmark { width: 150px !important; height: auto; }
.about__panel > p { position: relative; z-index: 1; margin: 0; color: rgba(255,255,255,.4); font-size: 11px; letter-spacing: .1em; }
.about__copy > p:not(.section-mark) { color: var(--muted); font-size: 14px; line-height: 1.9; }
.about__values { margin-top: 36px; display: grid; border-top: 1px solid var(--line); }
.about__values span { padding: 17px 0; display: grid; grid-template-columns: 72px 1fr; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 12px; line-height: 1.7; }
.about__values b { color: var(--ink); font-size: 13px; }

.contact { padding: 116px 0; background: #fff; }
.contact__box { padding: 58px; display: grid; grid-template-columns: .82fr 1.18fr; gap: 76px; color: #fff; border-radius: 30px; background: radial-gradient(circle at 90% 10%, rgba(75,143,247,.25), transparent 28%), var(--navy); box-shadow: 0 30px 90px rgba(18,41,68,.18); }
.contact__box { position: relative; overflow: hidden; }
.contact__box::after { content: ""; position: absolute; right: -90px; top: -150px; width: 350px; height: 350px; border: 1px solid rgba(116,204,255,.14); border-radius: 50%; box-shadow: 0 0 0 28px rgba(116,204,255,.025), 0 0 0 58px rgba(116,204,255,.018); animation: contact-ring 10s ease-in-out infinite alternate; pointer-events: none; }
.contact__copy, .contact__details { position: relative; z-index: 1; }
.contact .section-mark { color: rgba(255,255,255,.36); }
.contact__copy > p:last-child { max-width: 470px; margin-top: 25px; color: rgba(255,255,255,.48); font-size: 13px; line-height: 1.85; }
.contact__details { display: grid; gap: 10px; }
.contact__details > a, .contact__address { min-height: 82px; padding: 17px 18px; display: grid; grid-template-columns: 110px 1fr auto; align-items: center; gap: 16px; border: 1px solid rgba(255,255,255,.11); border-radius: 15px; background: rgba(255,255,255,.035); transition: background .2s ease, transform .2s ease; }
.contact__details > a:hover { background: rgba(255,255,255,.075); transform: translateX(4px); }
.contact__details small { color: rgba(255,255,255,.34); font-size: 9px; }
.contact__details b { font-size: 13px; font-weight: 600; }
.contact__details > a > span, .contact__address > span { color: rgba(255,255,255,.35); font-size: 10px; }
.contact__wechat { position: relative; overflow: hidden; padding: 16px 19px 16px 16px; display: flex; align-items: center; gap: 19px; border: 1px solid rgba(126, 205, 197, .38); border-radius: 15px; background: linear-gradient(125deg, #fff 0%, #f5fffd 100%); color: var(--ink); box-shadow: 0 14px 30px rgba(2, 35, 48, .14); }
.contact__wechat::after { content: ""; position: absolute; right: -32px; bottom: -50px; width: 138px; height: 138px; border: 1px solid rgba(73, 212, 200, .18); border-radius: 50%; box-shadow: 0 0 0 18px rgba(73, 212, 200, .05), 0 0 0 36px rgba(79, 145, 255, .04); pointer-events: none; }
.contact__qr-wrap { position: relative; z-index: 1; flex: 0 0 94px; width: 94px; height: 94px; padding: 5px; cursor: zoom-in; border: 1px solid rgba(73, 212, 200, .34); border-radius: 12px; background: #fff; box-shadow: 0 8px 18px rgba(17, 69, 80, .12); transition: transform .2s ease, box-shadow .2s ease; }
.contact__qr-wrap:hover, .contact__qr-wrap:focus-visible { outline: none; transform: translateY(-2px) scale(1.035); box-shadow: 0 12px 24px rgba(17, 69, 80, .2); }
.contact__qr-wrap::before { content: "扫码添加"; position: absolute; left: 50%; bottom: -10px; padding: 3px 7px; color: #237f7b; border: 1px solid rgba(73, 212, 200, .28); border-radius: 999px; background: #f7fffe; font-size: 8px; line-height: 1; white-space: nowrap; transform: translateX(-50%); }
.contact__wechat img { width: 100%; height: 100%; border-radius: 8px; object-fit: cover; }
.contact__wechat span { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 7px; }
.contact__wechat small { color: #638587; font-size: 9px; letter-spacing: .08em; }
.contact__wechat b { max-width: 270px; color: #152d3a; line-height: 1.45; }
.contact__wechat em { color: #5e8588; font-size: 10px; font-style: normal; }

.qr-modal { position: fixed; z-index: 200; inset: 0; display: grid; place-items: center; padding: 24px; }
.qr-modal[hidden] { display: none; }
.qr-modal__backdrop { position: absolute; inset: 0; width: 100%; height: 100%; cursor: zoom-out; border: 0; background: rgba(3, 13, 25, .74); backdrop-filter: blur(8px); }
.qr-modal__content { position: relative; z-index: 1; width: min(100%, 420px); padding: 28px; display: flex; flex-direction: column; align-items: center; border: 1px solid rgba(160, 231, 228, .38); border-radius: 24px; background: linear-gradient(145deg, #fff, #effffd); box-shadow: 0 28px 80px rgba(0, 0, 0, .34); animation: qr-modal-in .24s ease-out; }
.qr-modal__content p { margin: 0 0 18px; color: #2e7777; font-size: 12px; letter-spacing: .12em; }
.qr-modal__content img { width: min(100%, 330px); aspect-ratio: 350 / 318; border-radius: 14px; box-shadow: 0 10px 28px rgba(20, 77, 77, .13); }
.qr-modal__content span { margin-top: 17px; color: #547476; font-size: 12px; }
.qr-modal__close { position: absolute; top: 10px; right: 12px; width: 32px; height: 32px; padding: 0; cursor: pointer; color: #32676a; border: 0; border-radius: 50%; background: rgba(73, 212, 200, .12); font-size: 25px; line-height: 1; }
.qr-modal__close:hover, .qr-modal__close:focus-visible { color: #fff; outline: none; background: #308e8a; }
@keyframes qr-modal-in { from { opacity: 0; transform: translateY(10px) scale(.96); } to { opacity: 1; transform: translateY(0) scale(1); } }

.footer { padding: 35px 0; color: rgba(255,255,255,.5); background: #040a12; }
.footer__inner { display: flex; justify-content: space-between; gap: 35px; }
.footer b { color: rgba(255,255,255,.82); font-size: 12px; }
.footer p { margin: 8px 0 0; font-size: 10px; }
.footer__right { text-align: right; }
.to-top { position: fixed; z-index: 90; right: 22px; bottom: 22px; width: 44px; height: 44px; color: #fff; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; background: rgba(7,17,31,.9); opacity: 0; visibility: hidden; transform: translateY(10px); transition: .2s ease; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@keyframes dash { to { stroke-dashoffset: -70; } }
@keyframes pulse-a { 0%,100% { transform: translateX(-30px); opacity: .2; } 50% { transform: translateX(46px); opacity: 1; } }
@keyframes pulse-b { 0%,100% { transform: translateX(30px); opacity: .2; } 50% { transform: translateX(-46px); opacity: 1; } }
@keyframes scroll { 0% { transform: translate(-50%,0); opacity: 0; } 30% { opacity: 1; } 100% { transform: translate(-50%,14px); opacity: 0; } }



/* AI product details */
.product-badge {
  width: fit-content;
  margin-top: 34px;
  padding: 7px 10px;
  color: #3178dc;
  border: 1px solid rgba(77, 141, 247, .18);
  border-radius: 999px;
  background: rgba(77, 141, 247, .07);
  font-size: 8px;
  letter-spacing: .16em;
}

.service--gpux {
  background:
    radial-gradient(circle at 86% 12%, rgba(74, 145, 255, .16), transparent 24%),
    rgba(255,255,255,.82);
}

.gpux-nodes {
  position: absolute;
  right: 32px;
  bottom: 28px;
  width: 150px;
  height: 70px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  opacity: .72;
}

.gpux-nodes i {
  position: relative;
  display: block;
  border: 1px solid rgba(77,141,247,.21);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(77,141,247,.08), rgba(73,212,200,.04));
}

.gpux-nodes i::before {
  content: "";
  position: absolute;
  left: 7px;
  right: 7px;
  top: 8px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  animation: node-load 2.4s ease-in-out infinite;
  transform-origin: left;
}

.gpux-nodes i:nth-child(2n)::before { animation-delay: .45s; }
.gpux-nodes i:nth-child(3n)::before { animation-delay: .9s; }

.voice-wave {
  height: 46px;
  margin: 31px 0 3px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.voice-wave i {
  width: 4px;
  height: 14px;
  border-radius: 99px;
  background: linear-gradient(to top, var(--blue), var(--cyan));
  animation: voice-bar 1.15s ease-in-out infinite alternate;
}

.voice-wave i:nth-child(2) { height: 27px; animation-delay: -.7s; }
.voice-wave i:nth-child(3) { height: 38px; animation-delay: -.2s; }
.voice-wave i:nth-child(4) { height: 23px; animation-delay: -.85s; }
.voice-wave i:nth-child(5) { height: 42px; animation-delay: -.45s; }
.voice-wave i:nth-child(6) { height: 30px; animation-delay: -.95s; }
.voice-wave i:nth-child(7) { height: 17px; animation-delay: -.35s; }

.service--voice h3 { margin-top: 20px; }

.product-tags {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.product-tags span {
  padding: 7px 9px;
  color: rgba(255,255,255,.67);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  font-size: 9px;
}

.service--dark .product-tags + h3 { margin-top: 27px; }

.capability__grid article {
  position: relative;
  overflow: hidden;
}

.capability__grid article small {
  position: absolute;
  right: 23px;
  bottom: 19px;
  color: rgba(77, 141, 247, .45);
  font-size: 7px;
  letter-spacing: .15em;
}

.capability__grid article::after {
  content: "";
  position: absolute;
  right: -42px;
  top: -42px;
  width: 94px;
  height: 94px;
  border: 1px solid rgba(77,141,247,.09);
  border-radius: 50%;
}

.about__signal {
  position: absolute;
  left: 42px;
  right: 42px;
  bottom: 72px;
  height: 52px;
  display: flex;
  align-items: end;
  gap: 8px;
}

.about__signal i {
  flex: 1;
  height: 18px;
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(to top, rgba(73,212,200,.18), rgba(79,145,255,.7));
  animation: signal-rise 2.5s ease-in-out infinite alternate;
}

.about__signal i:nth-child(2) { height: 36px; animation-delay: -.8s; }
.about__signal i:nth-child(3) { height: 25px; animation-delay: -1.4s; }
.about__signal i:nth-child(4) { height: 46px; animation-delay: -.35s; }
.about__signal i:nth-child(5) { height: 31px; animation-delay: -1.05s; }

@keyframes voice-bar {
  to { transform: scaleY(.38); opacity: .48; }
}

@keyframes node-load {
  0%, 100% { transform: scaleX(.28); opacity: .35; }
  50% { transform: scaleX(1); opacity: 1; }
}

@keyframes signal-rise {
  to { transform: scaleY(.58); opacity: .55; }
}

@keyframes orb-spin { to { transform: rotate(360deg); } }
@keyframes scan-line { 0%, 100% { opacity: .1; transform: translateY(-50px); } 50% { opacity: .9; transform: translateY(50px); } }
@keyframes hero-orbit { to { transform: rotate(360deg) translateX(24px) rotate(-360deg); } }
@keyframes glass-sweep { 0%, 18% { left: -30%; opacity: 0; } 34% { opacity: 1; } 58%, 100% { left: 125%; opacity: 0; } }
@keyframes contact-ring { to { transform: translate(-25px, 22px) scale(1.08); opacity: .65; } }
@keyframes halo-breathe { 0%, 100% { opacity: .45; transform: translate(-50%, -50%) scale(.96); } 50% { opacity: .9; transform: translate(-50%, -50%) scale(1.04); } }


@media (max-width: 980px) {
  :root { --wrap: min(100% - 34px, 820px); }
  .nav, .header__contact { display: none; }
  .menu { margin-left: auto; width: 42px; height: 42px; padding: 0 10px; display: grid; align-content: center; gap: 7px; color: #fff; border: 1px solid rgba(255,255,255,.16); border-radius: 11px; background: transparent; }
  .menu span { height: 1px; background: currentColor; transition: transform .2s ease; }
  .menu.is-open span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu.is-open span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav { position: fixed; inset: 78px 0 auto; margin: 0; padding: 15px 22px 25px; display: grid; gap: 0; background: rgba(7,17,31,.97); border-top: 1px solid rgba(255,255,255,.08); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: .2s ease; }
  .nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav a { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .hero__inner { grid-template-columns: 1fr; gap: 58px; padding-top: 124px; }
  .hero__visual { max-width: 680px; }
  .blueprint { transform: none; }
  .intro__inner { grid-template-columns: 1fr; gap: 25px; }
  .section-head, .services__layout, .method__inner, .about__inner, .contact__box { grid-template-columns: 1fr; }
  .section-head, .method__inner, .about__inner, .contact__box { gap: 44px; }
  .capability__grid { grid-template-columns: repeat(2, 1fr); }
  .scene-strip__inner { align-items: flex-start; flex-direction: column; justify-content: center; gap: 12px; padding-block: 22px; }
  .scene-strip__items { width: 100%; flex-wrap: wrap; justify-content: flex-start; gap: 12px 25px; }
  .scene-strip__note { display: none; }
}

@media (max-width: 620px) {
  :root { --wrap: min(100% - 26px, 560px); }
  .hero { min-height: 0; }
  .hero__inner { min-height: 0; padding: 120px 0 92px; }
  .hero h1 { font-size: 45px; }
  .hero__actions { display: grid; }
  .hero__scope { gap: 12px 18px; }
  .logo { width: 126px; gap: 7px; }
  .logo__mark { width: 27px !important; height: 27px; flex-basis: 27px; border-radius: 7px; }
  .logo__wordmark { width: 92px !important; }
  .blueprint__canvas { min-height: 240px; padding: 14px; }
  .blueprint__orb { width: 88px; height: 88px; }
  .blueprint__orb span { font-size: 18px; }
  .blueprint__orb b { font-size: 11px; }
  .blueprint__orb small { margin-top: 5px; font-size: 5px; }
  .blueprint__rail { width: 112px; padding: 9px; }
  .blueprint__rail b { font-size: 10px; }
  .blueprint__rail span { font-size: 8px; }
  .blueprint__item { width: 94px; padding: 11px; }
  .item--a, .item--c { left: 4%; }
  .item--b, .item--d { right: 4%; }
  .blueprint__core { width: 126px; }
  .blueprint__foot { flex-wrap: wrap; padding-block: 12px; }
  .intro, .services, .method, .capability, .about { padding: 92px 0; }
  .intro h2, .section-head h2, .method h2, .about h2, .contact h2 { font-size: 38px; }
  .service { padding: 26px; }
  .service--main { min-height: 500px; }
  .gpux-nodes { right: 22px; bottom: 22px; width: 118px; height: 58px; }
  .service h3 { margin-top: 54px; font-size: 24px; }
  .service--small h3 { margin-top: 34px; font-size: 20px; }
  .service ul { grid-template-columns: 1fr; }
  .method__steps article { grid-template-columns: 1fr; gap: 10px; }
  .capability__grid { grid-template-columns: 1fr; }
  .about__panel { min-height: 390px; }
  .about__mark { width: 48px !important; height: 48px; }
  .about__wordmark { width: 126px !important; }
  .contact { padding: 82px 0; }
  .contact__box { padding: 30px 23px; border-radius: 24px; }
  .contact__details > a, .contact__address { grid-template-columns: 1fr; gap: 7px; }
  .contact__wechat { align-items: flex-start; padding: 17px; gap: 15px; }
  .contact__qr-wrap { flex-basis: 100px; width: 100px; height: 100px; }
  .contact__wechat b { font-size: 12px; }
  .footer__inner { flex-direction: column; }
  .footer__right { text-align: left; }
}

@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; }
}