:root {
  --bg: #edf8fa;
  --bg-deep: #f8fcfd;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;
  --line: rgba(30, 88, 105, 0.14);
  --line-bright: rgba(0, 167, 142, 0.38);
  --text: #0b2637;
  --muted: #526f7c;
  --cyan: #11cfad;
  --blue: #3b8ff5;
  --violet: #9a72ff;
  --lime: #c3ff68;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  --radius-lg: 32px;
  --radius-md: 22px;
  --font: "Manrope", "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg-deep);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img, svg { display: block; }
.container { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.section { position: relative; padding: 128px 0; scroll-margin-top: 92px; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 200; padding: 10px 16px; color: #04100e; background: var(--cyan); border-radius: 8px; }
.skip-link:focus { top: 16px; }
.page-noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}
.aurora { position: fixed; z-index: -2; width: 520px; height: 520px; border-radius: 50%; filter: blur(120px); opacity: .24; pointer-events: none; }
.aurora-one { top: -220px; right: -100px; background: var(--cyan); }
.aurora-two { bottom: -260px; left: -120px; background: var(--violet); }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}
.site-header.scrolled { background: rgba(250, 254, 255, .84); border-color: var(--line); backdrop-filter: blur(18px); box-shadow: 0 8px 30px rgba(37, 90, 109, .06); }
.nav { height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand img { filter: drop-shadow(0 0 15px rgba(93, 242, 214, .2)); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-copy strong { font-size: 17px; letter-spacing: .1em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .28em; }
.nav-links { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.nav-links a { position: relative; color: #365665; font-size: 14px; font-weight: 700; }
.nav-links a::after { content: ""; position: absolute; right: 0; bottom: -8px; left: 0; height: 1px; background: var(--cyan); transform: scaleX(0); transform-origin: right; transition: transform .25s; }
.nav-links a:hover { color: #083349; }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.language-toggle { display: flex; align-items: center; gap: 5px; padding: 8px; color: var(--muted); background: transparent; border: 0; cursor: pointer; font-size: 13px; font-weight: 800; }
.language-toggle .language-active { color: var(--cyan); }
.language-divider { opacity: .35; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: rgba(255,255,255,.03); }
.menu-toggle span { display: block; width: 17px; height: 2px; margin: 5px auto; background: var(--text); transition: transform .25s; }

.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 26px; border: 1px solid transparent; border-radius: 100px; cursor: pointer; font-size: 14px; font-weight: 800; letter-spacing: .02em; transition: transform .25s, background .25s, border-color .25s, box-shadow .25s; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.button-primary { color: #04261f; background: linear-gradient(115deg, #32e0c0, #a8f7dc); box-shadow: 0 12px 32px rgba(0, 168, 139, .19); }
.button-primary:hover { box-shadow: 0 16px 42px rgba(0, 168, 139, .29); }
.button-ghost { color: var(--text); border-color: rgba(19, 76, 96, .16); background: rgba(255,255,255,.72); }
.button-ghost:hover { border-color: rgba(0, 145, 122, .35); background: #fff; }
.button-small { min-height: 42px; padding: 0 19px; font-size: 12px; }

.hero { min-height: 790px; display: grid; place-items: center; overflow: hidden; padding-top: 132px; background: radial-gradient(circle at 72% 38%, rgba(42, 211, 184, .22), transparent 32%), radial-gradient(circle at 18% 24%, rgba(68, 148, 246, .12), transparent 30%), linear-gradient(180deg, #f8fcfd 0%, #edf9fa 74%, #e8f6f8 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .52; background-image: linear-gradient(rgba(34, 113, 137, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(34, 113, 137, .08) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(to bottom, black, transparent 90%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 40px; }
.hero-grid > * { min-width: 0; }
.hero-copy { position: relative; z-index: 2; min-width: 0; }
.eyebrow { width: fit-content; display: inline-flex; align-items: center; gap: 9px; margin-bottom: 25px; padding: 9px 15px; color: #315d6b; border: 1px solid var(--line); border-radius: 100px; background: rgba(255,255,255,.74); font-size: 12px; font-weight: 700; letter-spacing: .04em; box-shadow: 0 9px 24px rgba(28, 91, 108, .06); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(93, 242, 214, .09), 0 0 14px var(--cyan); }
.hero h1 { max-width: 700px; margin: 0; color: #092b3d; font-size: clamp(50px, 5.2vw, 78px); line-height: 1.08; letter-spacing: -.055em; font-weight: 900; }
.hero h1 span { display: block; }
html[lang="zh-CN"] .hero h1 { font-size: clamp(48px, 4.3vw, 62px); }
html[lang="zh-CN"] .hero h1 span { white-space: nowrap; }
.gradient-text { width: fit-content; color: transparent; background: linear-gradient(100deg, #0c536a 4%, #00aa8c 48%, #287fe7 94%); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 625px; margin: 28px 0 35px; color: #456775; font-size: 18px; font-weight: 600; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.trust-row { display: flex; gap: 26px; margin-top: 37px; color: #52717d; font-size: 12px; }
.trust-row span { display: flex; align-items: center; gap: 8px; }
.trust-row i { width: 4px; height: 4px; border-radius: 50%; background: var(--cyan); }
.trust-row b { font-weight: 700; }

.hero-visual { position: relative; min-height: 520px; }
.orbit-card { position: absolute; inset: 0; margin: auto; width: min(100%, 490px); aspect-ratio: 1; }
.orbit-card::before { content: ""; position: absolute; inset: 11%; border: 1px solid rgba(93,242,214,.12); border-radius: 50%; background: radial-gradient(circle at 40% 35%, rgba(90,168,255,.15), rgba(5,14,24,.2) 55%, transparent 70%); box-shadow: inset 0 0 70px rgba(93,242,214,.035), 0 0 70px rgba(28,90,120,.1); }
.orbit-ring { position: absolute; top: 50%; left: 50%; border: 1px solid rgba(140, 200, 222, .15); border-radius: 50%; transform: translate(-50%,-50%) rotate(-17deg); }
.orbit-ring-one { width: 88%; height: 43%; }
.orbit-ring-two { width: 61%; height: 96%; transform: translate(-50%,-50%) rotate(42deg); }
.globe { position: absolute; top: 50%; left: 50%; width: 205px; height: 205px; overflow: hidden; border: 1px solid rgba(93,242,214,.28); border-radius: 50%; background: radial-gradient(circle at 35% 30%, rgba(93,242,214,.16), transparent 37%), #071522; box-shadow: 0 0 70px rgba(60,188,199,.13), inset -22px -25px 50px rgba(0,0,0,.38); transform: translate(-50%,-50%); }
.globe-grid { position: absolute; inset: -10%; opacity: .34; border-radius: 50%; background-image: linear-gradient(rgba(93,242,214,.27) 1px, transparent 1px), linear-gradient(90deg, rgba(93,242,214,.27) 1px, transparent 1px); background-size: 28px 28px; transform: perspective(220px) rotateY(-20deg) rotateZ(-7deg); }
.globe-mark { position: absolute; inset: 0; display: grid; place-content: center; color: #d9fff7; font-size: 29px; font-weight: 800; letter-spacing: .08em; text-shadow: 0 0 24px rgba(93,242,214,.5); }
.globe-mark span { display: block; color: var(--cyan); font-size: 10px; text-align: center; letter-spacing: .65em; transform: translateX(.34em); }
.floating-chip { position: absolute; z-index: 3; display: flex; align-items: center; gap: 8px; padding: 10px 14px; color: #234e5e; border: 1px solid rgba(24, 105, 125, .14); border-radius: 100px; background: rgba(255,255,255,.88); backdrop-filter: blur(12px); font-size: 11px; font-weight: 700; box-shadow: 0 12px 28px rgba(21,72,89,.12); animation: float 5s ease-in-out infinite; }
.chip-icon { display: grid; place-items: center; width: 21px; height: 21px; color: var(--cyan); border-radius: 50%; background: rgba(93,242,214,.09); }
.chip-one { top: 15%; right: 1%; }
.chip-two { top: 52%; left: 0; animation-delay: -1.6s; }
.chip-three { right: 8%; bottom: 13%; animation-delay: -3.2s; }
.data-panel { position: absolute; bottom: 1%; left: 14%; z-index: 2; width: 155px; padding: 16px; border: 1px solid var(--line); border-radius: 15px; background: rgba(8,22,36,.82); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.data-panel > span { color: var(--muted); font-size: 9px; letter-spacing: .08em; }
.data-panel strong { display: block; margin: 7px 0 12px; color: var(--cyan); font-size: 26px; }
.data-panel strong small { margin-left: 4px; color: #cad7dc; font-size: 9px; font-weight: 500; }
.data-bars { height: 19px; display: flex; align-items: end; gap: 4px; }
.data-bars i { flex: 1; border-radius: 2px; background: linear-gradient(to top, rgba(90,168,255,.35), var(--cyan)); }
.data-bars i:nth-child(1) { height: 30%; }.data-bars i:nth-child(2) { height: 64%; }.data-bars i:nth-child(3) { height: 47%; }.data-bars i:nth-child(4) { height: 85%; }.data-bars i:nth-child(5) { height: 100%; }
.scroll-cue { position: absolute; bottom: 35px; left: 50%; width: 20px; height: 32px; border: 1px solid rgba(255,255,255,.18); border-radius: 20px; transform: translateX(-50%); }
.scroll-cue span { position: absolute; top: 7px; left: 50%; width: 2px; height: 5px; border-radius: 10px; background: var(--cyan); transform: translateX(-50%); animation: scrollCue 2s infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes scrollCue { 0% { opacity: 0; transform: translate(-50%, 0); } 35% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, 12px); } }

.marquee { overflow: hidden; padding: 20px 0; color: #4e7581; border-block: 1px solid var(--line); background: #dff2f4; }
.marquee-track { width: max-content; display: flex; align-items: center; gap: 36px; animation: marquee 28s linear infinite; }
.marquee-track span { font-size: 11px; font-weight: 800; letter-spacing: .3em; }
.marquee-track i { color: var(--cyan); font-style: normal; font-size: 8px; }
@keyframes marquee { to { transform: translateX(-50%); } }

.about { background: #ffffff; }
.about-grid { display: grid; grid-template-columns: .83fr 1.17fr; gap: 90px; }
.section-index { display: inline-block; margin-bottom: 24px; color: #008f79; font-size: 11px; font-weight: 800; letter-spacing: .23em; }
.section-heading h2, .contact h2 { margin: 0; font-size: clamp(38px, 4.2vw, 58px); line-height: 1.18; letter-spacing: -.045em; }
.about-content { padding-top: 38px; color: #4d6a77; font-size: 16px; font-weight: 550; line-height: 1.95; }
.about-content .about-intro { margin-top: 0; color: #183b4b; font-size: 21px; font-weight: 700; line-height: 1.8; }
.about-signature { display: flex; align-items: center; gap: 20px; margin-top: 39px; padding-top: 27px; border-top: 1px solid var(--line); }
.signature-name { color: var(--text); font-size: 26px; font-weight: 800; letter-spacing: .12em; }
.about-signature span:last-child { font-size: 12px; font-weight: 700; letter-spacing: .11em; }

.services { background: linear-gradient(180deg, #edf8fa, #e7f5f7); }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 70px; margin-bottom: 57px; }
.section-heading-row p { max-width: 500px; margin: 0 0 5px; color: #3f626f; font-size: 17px; font-weight: 700; line-height: 1.8; }
.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.service-card { position: relative; min-height: 530px; overflow: hidden; padding: 34px 34px 88px; border: 1px solid rgba(29, 92, 109, .13); border-radius: var(--radius-md); background: linear-gradient(145deg, rgba(255,255,255,.99), rgba(246,252,253,.96)); box-shadow: 0 16px 38px rgba(27, 77, 92, .07); transition: transform .35s ease, border-color .35s, background .35s, box-shadow .35s; }
.service-card::after { content: ""; position: absolute; top: -70px; right: -70px; width: 160px; height: 160px; border-radius: 50%; background: var(--cyan); filter: blur(75px); opacity: 0; transition: opacity .35s; }
.service-card:hover { z-index: 2; border-color: var(--line-bright); background: #ffffff; box-shadow: 0 24px 52px rgba(18, 105, 116, .13); transform: translateY(-7px); }
.service-card:hover::after { opacity: .12; }
.service-card.featured { border-color: rgba(0, 171, 143, .22); background: linear-gradient(145deg, #e5fff9, #f8fffd 70%); }
.card-number { position: absolute; top: 30px; right: 31px; color: #6f8c98; font-size: 13px; font-weight: 900; letter-spacing: .14em; }
.card-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 24px; color: var(--cyan); border: 1px solid rgba(93,242,214,.2); border-radius: 14px; background: rgba(93,242,214,.065); }
.card-icon svg { width: 27px; fill: none; stroke: currentColor; stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin: 0 0 12px; color: #0c2a3a; font-size: 28px; font-weight: 900; line-height: 1.28; letter-spacing: -.035em; }
.service-card .service-summary { margin: 0; color: #416573; font-size: 16.5px; font-weight: 650; line-height: 1.72; }
.service-questions { display: grid; gap: 10px; margin-top: 22px; }
.service-questions p { display: grid; grid-template-columns: 30px 1fr; align-items: start; gap: 11px; margin: 0; padding: 11px 13px; border: 1px solid rgba(21, 138, 146, .11); border-radius: 13px; background: rgba(235, 248, 249, .72); }
.service-questions span { display: grid; width: 27px; height: 27px; place-items: center; color: #ffffff; border-radius: 50%; background: linear-gradient(135deg, #00bda4, #2099bd); box-shadow: 0 5px 14px rgba(22, 153, 161, .18); font-size: 16px; font-weight: 900; line-height: 1; }
.service-questions strong { color: #173b4a; font-size: 17px; font-weight: 850; line-height: 1.5; }
.card-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 19px; }
.card-tags span { padding: 7px 11px; color: #346979; border: 1px solid rgba(31,111,129,.13); border-radius: 100px; background: #edf7f9; font-size: 11px; font-weight: 800; }
.card-link { position: absolute; right: 34px; bottom: 27px; left: 34px; display: flex; align-items: center; justify-content: space-between; padding-top: 16px; color: #174e60; border-top: 1px solid var(--line); font-size: 14px; font-weight: 900; }
.card-link b { color: var(--cyan); font-size: 18px; transition: transform .25s; }
.card-link:hover b { transform: translate(3px,-3px); }
.service-card-wide { grid-column: span 2; min-height: 430px; }
.service-card-wide .service-questions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service-card-wide .service-questions p { min-height: 84px; }
.compliance-note { max-width: 900px; margin: 28px auto 0; color: #66818c; font-size: 11px; font-weight: 600; line-height: 1.75; text-align: center; }

.why {
  overflow: hidden;
  color: #f4fbff;
  background:
    radial-gradient(circle at 22% 52%, rgba(17, 207, 173, .16), transparent 29%),
    radial-gradient(circle at 82% 18%, rgba(59, 143, 245, .11), transparent 27%),
    linear-gradient(145deg, #071523 0%, #030a12 68%, #06121e 100%);
}
.why::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .38;
  background-image:
    linear-gradient(rgba(87, 222, 207, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(87, 222, 207, .07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, black, rgba(0,0,0,.35) 68%, transparent);
}
.why::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(17,207,173,.75), transparent);
  box-shadow: 0 0 24px rgba(17,207,173,.55);
}
.why-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 100px; }
.why-visual { position: relative; min-height: 500px; display: grid; place-items: center; }
.why-visual::before {
  content: "CORE SIGNAL / 03";
  position: absolute;
  top: 38px;
  left: 0;
  color: rgba(123, 255, 229, .62);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .28em;
}
.why-visual::after {
  content: "35.6762° N  ·  139.6503° E";
  position: absolute;
  right: 0;
  bottom: 36px;
  color: rgba(133, 177, 192, .42);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .18em;
}
.portal { position: relative; width: 400px; max-width: 100%; aspect-ratio: 1; display: grid; place-items: center; }
.portal::before { content: ""; position: absolute; inset: 12%; border-radius: 50%; background: radial-gradient(circle, rgba(17,207,173,.32), rgba(59,143,245,.11) 45%, transparent 72%); filter: blur(5px); box-shadow: 0 0 90px rgba(17,207,173,.12); }
.portal-ring { position: absolute; border-radius: 50%; border: 1px solid; }
.ring-a { inset: 6%; border-color: rgba(93,242,214,.24); box-shadow: 0 0 55px rgba(93,242,214,.1); }
.ring-b { inset: 20%; border-color: rgba(90,168,255,.42); border-style: dashed; animation: rotate 30s linear infinite; }
.ring-c { inset: 32%; border-color: rgba(93,242,214,.65); box-shadow: inset 0 0 34px rgba(93,242,214,.14), 0 0 38px rgba(93,242,214,.16); }
.portal span { z-index: 1; color: #e8fffa; font-size: 35px; font-weight: 900; line-height: .9; letter-spacing: .06em; text-align: center; text-shadow: 0 0 14px rgba(93,242,214,.92), 0 0 35px rgba(93,242,214,.55); }
.portal::after { content: ""; position: absolute; top: 49.5%; left: 0; width: 100%; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); box-shadow: 0 0 18px var(--cyan); opacity: .88; }
@keyframes rotate { to { transform: rotate(360deg); } }
.why .section-index { color: #5df2d6; text-shadow: 0 0 18px rgba(93,242,214,.4); }
.why-content h2 { max-width: 600px; margin: 0; color: #f4fbff; font-size: clamp(38px, 4.1vw, 56px); font-weight: 900; line-height: 1.18; letter-spacing: -.045em; }
.why-lead { max-width: 550px; margin: 24px 0 38px; color: #a8c0ca; font-size: 17px; font-weight: 600; line-height: 1.85; }
.value-list { border-top: 1px solid rgba(151, 204, 218, .16); }
.value-item { display: grid; grid-template-columns: 45px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid rgba(151, 204, 218, .16); transition: padding-left .25s ease, background .25s ease; }
.value-item:hover { padding-left: 12px; background: linear-gradient(90deg, rgba(17,207,173,.055), transparent); }
.value-item > span { padding-top: 4px; color: #5df2d6; font-size: 10px; font-weight: 800; text-shadow: 0 0 14px rgba(93,242,214,.4); }
.value-item h3 { margin: 0 0 7px; color: #f3fbff; font-size: 17px; font-weight: 800; }
.value-item p { margin: 0; color: #8faab5; font-size: 14px; font-weight: 550; line-height: 1.75; }

.contact { background: linear-gradient(180deg, #edf8fa, #f6fbfc); }
.contact-shell { position: relative; overflow: hidden; min-height: 570px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 60px; padding: 68px 70px; border: 1px solid rgba(0,153,129,.2); border-radius: var(--radius-lg); background: radial-gradient(circle at 88% 28%, rgba(75,151,243,.18), transparent 32%), linear-gradient(140deg, #dffcf6, #f8fdff 72%); box-shadow: 0 30px 80px rgba(39, 101, 117, .14); }
.contact-shell::before { content: ""; position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(93,242,214,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(93,242,214,.12) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(90deg, black, transparent 80%); }
.contact-copy, .support-card { position: relative; z-index: 1; }
.contact h2 { font-size: clamp(42px, 4.8vw, 66px); }
.contact-copy > p { max-width: 530px; margin: 25px 0 32px; color: #476a77; font-size: 16px; font-weight: 600; line-height: 1.85; }
.selected-service { width: fit-content; margin: -13px 0 26px; padding: 10px 14px; border-left: 3px solid var(--cyan); background: rgba(255,255,255,.72); }
.selected-service small { display: block; color: var(--muted); font-size: 9px; }
.selected-service strong { color: var(--cyan); font-size: 12px; }
.contact-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.button-light { color: #ffffff; background: #0b3544; box-shadow: 0 12px 28px rgba(12, 59, 75, .18); }
.button-light svg { width: 21px; }
.button-wechat { min-width: 176px; color: #087b68; border-color: rgba(8,123,104,.22); background: rgba(255,255,255,.78); box-shadow: 0 10px 26px rgba(27,82,98,.09); }
.button-wechat:hover { border-color: rgba(8,123,104,.42); background: #fff; }
.button-wechat svg { width: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.button-wechat small { margin-left: 2px; padding: 3px 6px; border-radius: 20px; background: rgba(17,207,173,.11); font-size: 8px; font-weight: 800; }
.contact-status { flex-basis: 100%; display: inline-flex; align-items: center; gap: 8px; padding-left: 4px; color: #52737f; font-size: 11px; font-weight: 750; }
.contact-status i { width: 7px; height: 7px; border-radius: 50%; background: #8fa7af; box-shadow: 0 0 0 5px rgba(87,119,130,.08); }
.contact-status.is-checking i { animation: status-pulse 1.3s ease-in-out infinite; }
.contact-status.is-ready i { background: #11cfad; box-shadow: 0 0 0 5px rgba(17,207,173,.11); }
.contact-status.is-unavailable { color: #8a5b11; }
.contact-status.is-unavailable i { background: #e9a63a; box-shadow: 0 0 0 5px rgba(233,166,58,.13); }
@keyframes status-pulse { 50% { opacity: .35; transform: scale(.75); } }
.copy-feedback { flex-basis: 100%; color: #008d77; font-size: 11px; font-weight: 700; }
.connection-notice { max-width: 530px; display: flex; align-items: flex-start; gap: 10px; margin-top: 17px; padding: 12px 14px; color: #795117; border: 1px solid rgba(214,145,35,.24); border-radius: 12px; background: rgba(255,248,232,.84); }
.connection-notice[hidden] { display: none; }
.connection-notice > span { flex: 0 0 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: #e9a63a; color: #fff; font-size: 10px; font-weight: 900; }
.connection-notice p { margin: 1px 0 0; font-size: 10px; font-weight: 700; line-height: 1.6; }
.crisp-unavailable [data-open-crisp] { background: #6c4b18; }
.crisp-unavailable .contact-actions .button-wechat { display: none; }
.support-card { justify-self: end; width: 360px; overflow: hidden; padding: 30px; border: 1px solid rgba(26, 95, 113, .13); border-radius: 26px; background: rgba(255,255,255,.92); backdrop-filter: blur(14px); box-shadow: 0 25px 60px rgba(27, 82, 98, .14); }
.support-orbit { position: absolute; top: -95px; right: -82px; width: 230px; height: 230px; border: 1px solid rgba(17,207,173,.18); border-radius: 50%; pointer-events: none; }
.support-orbit span { position: absolute; inset: 28px; border: 1px dashed rgba(49,126,233,.18); border-radius: inherit; }
.support-orbit span:last-child { inset: 65px; border-style: solid; border-color: rgba(17,207,173,.2); }
.support-kicker { color: #008d77; font-size: 10px; font-weight: 850; letter-spacing: .24em; }
.support-icon { width: 54px; height: 54px; display: grid; place-items: center; margin: 22px 0; color: #061e2b; border: 1px solid rgba(17,207,173,.3); border-radius: 17px; background: linear-gradient(145deg, #bafff1, #eafcff); box-shadow: 0 15px 30px rgba(17,207,173,.18); }
.support-icon svg { width: 29px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.support-card h3 { max-width: 280px; margin: 0; color: #082937; font-size: 25px; line-height: 1.25; letter-spacing: -.035em; }
.support-card > p { margin: 13px 0 20px; color: #5b7883; font-size: 12px; font-weight: 600; line-height: 1.75; }
.support-features { display: grid; gap: 9px; margin: 0 0 22px; padding: 0; list-style: none; }
.support-features li { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid rgba(20,104,123,.09); border-radius: 11px; background: rgba(239,251,252,.7); color: #315c69; font-size: 11px; font-weight: 700; }
.support-features li > span:first-child { color: #00a88c; font-size: 9px; letter-spacing: .08em; }
.support-card-cta { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; color: #fff; border: 0; border-radius: 12px; background: #0b3544; font: inherit; font-size: 12px; font-weight: 800; cursor: pointer; box-shadow: 0 12px 24px rgba(11,53,68,.17); }
.support-card-cta:hover { background: #0e4658; transform: translateY(-1px); }
.privacy-note { display: block; margin-top: 12px; color: #718a93; font-size: 9px; font-weight: 600; line-height: 1.55; }
.wechat-fallback { margin-top: 18px; padding-top: 15px; border-top: 1px solid rgba(26,95,113,.1); }
.wechat-fallback summary { color: #54717c; font-size: 10px; font-weight: 750; cursor: pointer; }
.wechat-fallback-content { display: grid; grid-template-columns: 84px 1fr; gap: 13px; align-items: center; margin-top: 14px; }
.wechat-mini-qr { width: 84px; aspect-ratio: 1; overflow: hidden; border: 5px solid #fff; border-radius: 8px; box-shadow: 0 5px 18px rgba(20,75,92,.12); }
.wechat-mini-qr img { width: 100%; height: auto; transform: translateY(-24.5%); }
.wechat-fallback-meta { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; }
.wechat-fallback-meta small { color: var(--muted); font-size: 8px; font-weight: 800; }
.wechat-fallback-meta strong { margin: 4px 0 6px; color: #008d77; font-size: 14px; letter-spacing: .03em; }
.wechat-fallback-meta button { padding: 0; color: #315c69; border: 0; border-bottom: 1px solid rgba(49,92,105,.3); background: transparent; font: inherit; font-size: 9px; font-weight: 750; cursor: pointer; }

.site-footer { padding: 60px 0 45px; background: #f8fcfd; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: start; }
.footer-brand p { margin: 18px 0 0; color: #637d88; font-size: 12px; font-weight: 600; }
.footer-links { display: flex; gap: 28px; color: #4e6e7a; font-size: 12px; font-weight: 700; }
.footer-links a:hover { color: var(--cyan); }
.footer-meta { grid-column: span 2; display: flex; justify-content: space-between; padding-top: 25px; color: #6c838c; border-top: 1px solid var(--line); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .75s ease, transform .75s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: .12s; }

@media (max-width: 960px) {
  .section { padding: 100px 0; }
  .nav-links { position: fixed; inset: 84px 0 0; display: flex; flex-direction: column; align-items: flex-start; gap: 0; padding: 40px 24px; background: rgba(4,10,18,.98); transform: translateX(100%); transition: transform .3s; }
  .nav-links a { width: 100%; padding: 20px 0; border-bottom: 1px solid var(--line); font-size: 18px; }
  .nav-links.open { transform: translateX(0); }
  .menu-toggle { display: block; }
  .menu-toggle.active span:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle.active span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .hero { min-height: auto; padding: 150px 0 90px; }
  .hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .hero-copy { text-align: center; }
  .eyebrow, .gradient-text { margin-inline: auto; }
  .hero-lead { margin-inline: auto; }
  .hero-actions, .trust-row { justify-content: center; }
  .hero-visual { min-height: 470px; }
  .scroll-cue { display: none; }
  .about-grid, .why-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-content { padding-top: 0; }
  .section-heading-row { align-items: start; flex-direction: column; gap: 25px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-card-wide { grid-column: span 2; }
  .why-visual { min-height: 360px; }
  .portal { width: 350px; }
  .contact-shell { padding: 60px 50px; grid-template-columns: 1fr 300px; gap: 30px; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 30px, 1160px); }
  .section { padding: 82px 0; }
  .nav { height: 72px; }
  .nav-links { top: 72px; }
  .nav-cta { display: none; }
  .brand-copy strong { font-size: 13px; }
  .hero { padding-top: 125px; }
  .hero h1 { font-size: clamp(42px, 12vw, 58px); }
  html[lang="zh-CN"] .hero h1 { font-size: clamp(36px, 10.6vw, 44px); }
  html[lang="zh-CN"] .hero h1 span { white-space: normal; word-break: break-all; }
  .hero-lead { font-size: 15px; }
  .hero-actions .button { flex: 1; min-width: 145px; padding-inline: 16px; }
  .trust-row { gap: 14px; font-size: 10px; }
  .hero-visual { min-height: 390px; margin-top: 20px; }
  .orbit-card { width: 390px; max-width: 112%; left: 50%; transform: translateX(-50%); }
  .globe { width: 160px; height: 160px; }
  .globe-mark { font-size: 24px; }
  .floating-chip { padding: 8px 11px; font-size: 9px; }
  .chip-one { right: 3%; }.chip-two { left: 3%; }.chip-three { right: 6%; }
  .data-panel { left: 15%; width: 130px; }
  .about-grid { gap: 35px; }
  .section-heading h2, .why-content h2, .contact h2 { font-size: 38px; }
  .about-content .about-intro { font-size: 17px; }
  .about-signature { align-items: flex-start; flex-direction: column; gap: 5px; }
  .section-heading-row p { font-size: 17.5px; line-height: 1.75; }
  .service-grid { grid-template-columns: 1fr; gap: 18px; }
  .service-card, .service-card-wide { grid-column: span 1; min-height: 0; padding: 29px 24px 84px; }
  .service-card h3 { font-size: 28px; line-height: 1.3; }
  .service-card .service-summary { font-size: 17.5px; font-weight: 700; line-height: 1.72; }
  .service-questions, .service-card-wide .service-questions { grid-template-columns: 1fr; gap: 10px; margin-top: 20px; }
  .service-card-wide .service-questions p { min-height: 0; }
  .service-questions p { grid-template-columns: 32px 1fr; gap: 11px; padding: 13px; }
  .service-questions span { width: 29px; height: 29px; font-size: 17px; }
  .service-questions strong { font-size: 18px; font-weight: 900; line-height: 1.55; }
  .card-tags span { padding: 7px 11px; font-size: 11.5px; }
  .card-link { right: 24px; bottom: 25px; left: 24px; font-size: 15px; }
  .why-grid { gap: 25px; }
  .why-visual { min-height: 300px; }
  .portal { width: 310px; }
  .contact-shell { min-height: 0; grid-template-columns: 1fr; padding: 45px 25px; border-radius: 24px; }
  .contact-copy { text-align: center; }
  .contact-copy > p { margin-inline: auto; }
  .selected-service { margin-inline: auto; }
  .contact-actions { justify-content: center; flex-direction: column; }
  .support-card { justify-self: center; width: min(100%, 360px); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
  .footer-meta { grid-column: span 1; gap: 14px; flex-direction: column; }
}

@media (max-width: 430px) {
  .hero-copy { width: 100%; max-width: calc(100vw - 30px); }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .hero-actions .button { width: 100%; min-width: 0; }
  .language-toggle { padding-inline: 2px; }
  .language-toggle .language-active, .language-toggle .language-divider { display: none; }
  .nav-actions { gap: 9px; }
}

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

/* v2.0 homepage: clear problem-first navigation */
[hidden] { display: none !important; }
.hero .trust-row { max-width: 700px; flex-wrap: wrap; row-gap: 12px; }
.nav-cta { white-space: nowrap; }

.decision-section {
  background:
    radial-gradient(circle at 15% 20%, rgba(17,207,173,.11), transparent 28%),
    linear-gradient(180deg, #f8fcfd, #eff9fa);
}
.decision-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.decision-card {
  position: relative;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 35px 31px 29px;
  border: 1px solid rgba(29,92,109,.15);
  border-radius: 26px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 18px 50px rgba(27,77,92,.08);
}
.decision-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, transparent, #11cfad, transparent); opacity: .45; }
.decision-card-primary { color: #ecfffb; border-color: rgba(93,242,214,.3); background: linear-gradient(155deg, #0a3040, #061923 72%); box-shadow: 0 25px 60px rgba(6,35,46,.2); }
.decision-number { position: absolute; top: 31px; right: 28px; color: #75909a; font-size: 11px; font-weight: 900; letter-spacing: .14em; }
.decision-card-primary .decision-number { color: rgba(153,230,218,.55); }
.decision-kicker { max-width: calc(100% - 45px); margin: 0 0 21px; color: #008f79; font-size: 12px; font-weight: 900; letter-spacing: .08em; }
.decision-card-primary .decision-kicker { color: #5df2d6; }
.decision-card h3 { margin: 0; color: #0b2b3a; font-size: 29px; font-weight: 900; line-height: 1.32; letter-spacing: -.035em; }
.decision-card-primary h3 { color: #f2fffc; }
.decision-card > p:not(.decision-kicker) { margin: 18px 0 22px; color: #56737e; font-size: 15px; font-weight: 650; line-height: 1.8; }
.decision-card-primary > p:not(.decision-kicker) { color: #a8c5cc; }
.decision-card ul { display: grid; gap: 0; margin: 0 0 28px; padding: 0; list-style: none; }
.decision-card li { position: relative; padding: 12px 0 12px 22px; color: #274f5e; border-bottom: 1px solid rgba(31,101,119,.1); font-size: 14px; font-weight: 750; line-height: 1.5; }
.decision-card li::before { content: ""; position: absolute; top: 20px; left: 1px; width: 7px; height: 7px; border-radius: 50%; background: #11cfad; box-shadow: 0 0 0 4px rgba(17,207,173,.1); }
.decision-card-primary li { color: #c9dee3; border-color: rgba(142,206,214,.14); }
.decision-cta { width: 100%; min-height: 50px; display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding: 0 18px; color: #083e42; border: 0; border-radius: 13px; background: linear-gradient(115deg, #53e4ca, #b7f5e2); font: inherit; font-size: 13px; font-weight: 900; cursor: pointer; transition: transform .25s, box-shadow .25s; }
.decision-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(17,207,173,.18); }

.problems { padding-top: 105px; background: #fff; }
.problem-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.problem-card { display: flex; align-items: center; gap: 17px; min-height: 104px; padding: 22px; border: 1px solid rgba(29,92,109,.13); border-radius: 18px; background: linear-gradient(145deg, #fff, #f5fbfc); box-shadow: 0 10px 28px rgba(27,77,92,.05); }
.problem-card span { flex: 0 0 34px; color: #00a98d; font-size: 10px; font-weight: 900; letter-spacing: .1em; }
.problem-card h3 { margin: 0; color: #123746; font-size: 18px; font-weight: 850; line-height: 1.45; }
.problem-action { display: flex; justify-content: center; margin-top: 31px; }

.services { background: linear-gradient(180deg, #eef7f8, #e8f3f5); }
.service-order-1 { order: 1; }.service-order-2 { order: 2; }.service-order-3 { order: 3; }.service-order-4 { order: 4; }.service-order-5 { order: 5; }.service-order-6 { order: 6; }.service-order-7 { order: 7; }
.secondary-service { border-style: dashed; background: rgba(246,250,251,.88); }
.secondary-service::after { background: #88a4ad; }
.service-level { position: absolute; top: 29px; left: 96px; padding: 5px 8px; color: #607d87; border: 1px solid rgba(58,100,112,.13); border-radius: 100px; background: #edf4f5; font-size: 9px; font-weight: 850; letter-spacing: .08em; }

.process .why-visual::before { content: "PROCESS MAP / 04"; }
.process .why-visual::after { content: "ASSESS  ·  EXPLAIN  ·  SUPPORT"; }
.process .portal span { max-width: 130px; font-size: 20px; line-height: 1.05; }
.process-note { margin: 23px 0 0; padding: 14px 17px; color: #b8d1d6; border: 1px solid rgba(93,242,214,.15); border-left-color: #5df2d6; border-radius: 0 12px 12px 0; background: rgba(17,207,173,.05); font-size: 12px; font-weight: 700; line-height: 1.65; }

.cases { background: #fff; }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.case-card { padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: #f5fafb; }
.case-shot { min-height: 240px; display: grid; place-items: center; color: #6e8993; border: 1px dashed rgba(29,92,109,.22); border-radius: 14px; background: #edf5f6; font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.case-card h3 { margin: 19px 2px 4px; color: #163b49; font-size: 19px; }

.boundaries { background: linear-gradient(180deg, #f8fcfd, #edf7f8); }
.boundary-shell { display: grid; grid-template-columns: .78fr 1.22fr; gap: 75px; padding: 58px; border: 1px solid rgba(29,92,109,.15); border-radius: 30px; background: rgba(255,255,255,.82); box-shadow: 0 22px 60px rgba(27,77,92,.08); }
.boundary-heading h2 { margin: 0; color: #0c2d3c; font-size: clamp(34px, 3.5vw, 48px); line-height: 1.2; letter-spacing: -.04em; }
.boundary-heading p { margin: 22px 0 0; color: #58747f; font-size: 15px; font-weight: 650; line-height: 1.8; }
.boundary-grid { display: grid; gap: 10px; }
.boundary-item { display: grid; grid-template-columns: 38px 1fr; gap: 13px; align-items: start; padding: 17px 18px; border: 1px solid rgba(29,92,109,.1); border-radius: 14px; background: #f5fafb; }
.boundary-item span { padding-top: 3px; color: #00a78b; font-size: 9px; font-weight: 900; letter-spacing: .1em; }
.boundary-item p { margin: 0; color: #365b68; font-size: 13px; font-weight: 700; line-height: 1.7; }
.boundary-item-alert { border-color: rgba(205,137,34,.22); background: #fff9ee; }
.boundary-item-alert span { color: #c27d17; }

.contact-prompt { max-width: 535px; margin: -10px 0 28px; padding: 15px 17px; border: 1px solid rgba(0,153,129,.16); border-radius: 13px; background: rgba(255,255,255,.72); }
.contact h2 { font-size: clamp(42px, 4.2vw, 56px); }
.contact-prompt small { color: #008f79; font-size: 9px; font-weight: 900; letter-spacing: .12em; }
.contact-prompt p { margin: 7px 0 0; color: #214b59; font-size: 14px; font-weight: 750; line-height: 1.6; }
.about-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.about-tags span { padding: 9px 13px; color: #176353; border: 1px solid rgba(0,143,121,.15); border-radius: 100px; background: #ecfaf6; font-size: 11px; font-weight: 800; }

.footer-links { flex-wrap: wrap; justify-content: flex-end; }
.footer-links button { padding: 0; color: #4e6e7a; border: 0; background: transparent; font: inherit; cursor: pointer; }
.footer-links button:hover { color: var(--cyan); }
.footer-meta { flex-wrap: wrap; gap: 16px 30px; }

@media (max-width: 960px) {
  .nav-links a { color: #e7f7fa; }
  .nav-links a:hover { color: #5df2d6; }
  .decision-grid { grid-template-columns: 1fr; }
  .decision-card { min-height: 0; }
  .problem-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .boundary-shell { grid-template-columns: 1fr; gap: 38px; padding: 45px; }
  .case-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .decision-card { padding: 28px 23px 23px; }
  .decision-card h3 { font-size: 26px; }
  .decision-card > p:not(.decision-kicker) { font-size: 16px; }
  .decision-card li { font-size: 16px; }
  .decision-cta { min-height: 54px; font-size: 15px; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-card { min-height: 92px; }
  .problem-card h3 { font-size: 19px; }
  .boundary-shell { padding: 31px 22px; }
  .boundary-item { grid-template-columns: 30px 1fr; padding: 16px 14px; }
  .boundary-item p { font-size: 15px; }
  .contact-shell { padding-inline: 18px; }
  .contact h2 { font-size: 32px; line-height: 1.25; }
  .contact-prompt { margin-inline: auto; text-align: left; }
  .about-tags { justify-content: flex-start; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 430px) {
  .hero-actions { grid-template-columns: 1fr; }
  .hero-actions .button { min-height: 58px; white-space: normal; text-align: center; }
}