@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap");

/* ============================================================
   SYMVORIN — site styles (dark)
   ground  #060b16   card  #0c1729   primary  #1034A6   accent  #3d63d9
   ============================================================ */
:root {
  --bg: #060b16;
  --bg-2: #08101f;
  --card: #0c1729;
  --card-h: #101e36;
  --white: #0d1830;
  --blue: #1034A6;
  --blue-d: #0b2678;
  --blue-l: #7f9cff;
  --blue-accent: #3d63d9;
  --ink: #eef4fe;
  --body: #a8b8cf;
  --muted: #7d8ca4;
  --line: rgba(61,99,217, 0.14);
  --line-2: rgba(61,99,217, 0.28);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 18px 40px -24px rgba(0, 0, 0, 0.75);
  --shadow-h: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 26px 58px -26px rgba(0, 0, 0, 0.9),
    0 0 0 1px rgba(61,99,217, 0.16);
  --maxw: 1500px;
  --r: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1150px 640px at 80% 120px, rgba(0,47,167, 0.20), transparent 62%),
    radial-gradient(900px 520px at 4% 260px, rgba(20,80,210, 0.11), transparent 60%),
    linear-gradient(180deg, #060d18 0%, #060b16 38%, #05090f 100%);
  background-repeat: no-repeat;
  background-color: #060b16;
  color: var(--body);
  font-family: Inter, "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--blue-l); outline-offset: 4px;
}
h1, h2, h3, h4 { margin: 0; color: var(--ink); font-weight: 600; letter-spacing: -0.022em; line-height: 1.26; }
p { margin: 0; }
::selection { background: rgba(46,91,255, 0.35); color: #fff; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }

/* ---------------- header ---------------- */
.head {
  position: sticky; top: 0; z-index: 60;
  background: rgba(6, 11, 22, 0.78);
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  border-bottom: 1px solid var(--line);
}
/* transparent header floating over the full-bleed hero */
.head.is-over {
  position: fixed; left: 0; right: 0;
  background: transparent; border-bottom-color: transparent;
  backdrop-filter: none; -webkit-backdrop-filter: none;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}
.head.is-over.is-solid {
  background: rgba(5, 9, 18, 0.9);
  border-bottom-color: var(--line);
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
}
.head-in { height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { height: 34px; width: auto; }

.nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.nav a {
  position: relative;
  font-size: 12.5px; font-weight: 500; letter-spacing: 0.105em; text-transform: uppercase;
  color: #a9bad2; padding: 6px 0; white-space: nowrap;
  transition: color 0.22s;
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--blue-accent), var(--blue));
  transform: scaleX(0); transform-origin: left; transition: transform 0.28s ease;
}
.nav a:hover { color: #fff; }
.nav a:hover::after, .nav a.is-on::after { transform: scaleX(1); }
.nav a.is-on { color: var(--blue-accent); font-weight: 600; }
.nav .lang { color: var(--muted); font-size: 11.5px; letter-spacing: 0.1em; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 42px; padding: 0 22px; border-radius: 7px;
  background: linear-gradient(180deg, #1b48b7 0%, #0b2678 100%);
  color: #fff;
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid rgba(127,156,255, 0.42);
  transition: background 0.24s, transform 0.24s, box-shadow 0.24s;
  box-shadow: 0 12px 28px -16px rgba(50,91,255, 0.95);
}
.btn:hover {
  background: linear-gradient(180deg, #3f68df 0%, #123991 100%);
  transform: translateY(-1px);
  box-shadow: 0 18px 34px -16px rgba(70,110,255, 1);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.045);
  color: #cde0ff; box-shadow: none;
  border-color: rgba(155,180,255, 0.3);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); color: #fff; border-color: rgba(155,180,255, 0.55); }

.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line-2); border-radius: 8px; background: rgba(255, 255, 255, 0.06); cursor: pointer; }
.burger span { display: block; width: 17px; height: 1.6px; background: var(--ink); margin: 3.5px auto; }
.burger[aria-expanded="true"] { border-color: var(--blue-l); background: rgba(61, 99, 217, 0.18); }

/* ---------------- hero (full-bleed) ---------------- */
.hero-full {
  position: relative; width: 100%;
  height: 100vh;
  height: 100svh;
  min-height: 640px;
  overflow: hidden;
  background: #04070f;
  isolation: isolate;
}
.hero-full canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
/* 只压上下、以及在文字块后加一层柔和暗晕；左右两侧完全不加遮罩，
   保证机柜的金属层次能露出来 */
.hero-veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(4, 7, 14, 0.70) 0%, rgba(4, 7, 14, 0.16) 18%, rgba(4, 7, 14, 0) 40%, rgba(4, 7, 14, 0.06) 74%, rgba(4, 7, 14, 0.72) 100%);
}
.hero-veil::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0, 36, 120, 0.22), rgba(0, 20, 75, 0.14));
  mix-blend-mode: normal;
  opacity: 0.62;
}
.hero-veil::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(46% 42% at 50% 50%, rgba(4, 8, 17, 0.34) 0%, rgba(4, 8, 17, 0.16) 46%, rgba(4, 8, 17, 0) 78%);
}
.hero-grid {
  position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: 0.34;
  background-image:
    linear-gradient(rgba(61,99,217, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,99,217, 0.055) 1px, transparent 1px);
  background-size: 92px 92px;
  mask-image: radial-gradient(70% 62% at 50% 50%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 62% at 50% 50%, #000 20%, transparent 78%);
}
.hero-inner {
  position: relative; z-index: 2;
  height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 116px 40px 108px;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--blue-accent);
}
.hero-kicker::before, .hero-kicker::after {
  content: ""; width: 40px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(61,99,217, 0.7));
}
.hero-kicker::after { background: linear-gradient(270deg, transparent, rgba(61,99,217, 0.7)); }

.hero-title {
  margin-top: 0;
  max-width: 1020px;
  font-size: clamp(30px, 4.1vw, 58px);
  font-weight: 600; line-height: 1.14; letter-spacing: -0.034em;
  color: #f7fbff;
  text-wrap: balance;
  text-shadow: 0 18px 54px rgba(0, 0, 0, 0.72), 0 2px 18px rgba(0, 0, 0, 0.5);
}
.hero-title em { font-style: normal; color: #7f9cff; }
.hero-lede {
  margin-top: 26px; max-width: 780px;
  font-size: clamp(14.5px, 1.24vw, 17.5px); font-weight: 500; line-height: 1.66;
  color: #d7e6fb;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  text-wrap: balance;
}
.hero-div {
  width: 60px; height: 1px; margin: 34px auto 0;
  background: linear-gradient(90deg, transparent, rgba(140,172,255, 0.75), transparent);
}
.hero-loc {
  margin-top: 14px;
  font-size: 11.8px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase;
  color: #9db8dc;
  text-shadow: 0 6px 20px rgba(0, 0, 0, 0.8);
}
.hero-loc b { color: #e2eeff; font-weight: 600; }
.hero-acts { margin-top: 32px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: center; }
.hero-acts .btn { height: 44px; padding: 0 30px; border-radius: 24px; letter-spacing: 0.1em; }
.hero-scroll {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 9px;
  font-size: 9.5px; font-weight: 600; letter-spacing: 0.32em; text-transform: uppercase;
  color: rgba(170, 198, 232, 0.55);
}
.hero-scroll i {
  display: block; width: 1px; height: 44px;
  background: linear-gradient(180deg, rgba(61,99,217, 0.9), transparent);
  animation: drip 2.4s ease-in-out infinite;
}
@keyframes drip {
  0%, 100% { opacity: 0.25; transform: scaleY(0.55); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* ---------------- legacy hero (inner pages) ---------------- */
.hero { padding-top: 74px; text-align: center; }
.hero-sub {
  max-width: 840px; margin: 0 auto;
  font-size: 16px; line-height: 1.84; color: #9fb0c8; letter-spacing: 0.002em;
}
.hero-sub b { color: var(--ink); font-weight: 600; }
.hero-sub .sep { color: rgba(61,99,217, 0.55); margin: 0 6px; }

/* 3d stage */
.stage3d {
  position: relative; margin-top: 40px;
  height: 400px; border-radius: var(--r); overflow: hidden;
  background: radial-gradient(120% 140% at 50% 0%, #0e2a6e 0%, #0a1e52 45%, #070f22 100%);
  border: 1px solid var(--line);
  box-shadow: 0 34px 70px -40px rgba(0, 0, 0, 0.9);
}
.stage3d canvas { display: block; width: 100%; height: 100%; }
.stage3d .hint {
  position: absolute; left: 20px; bottom: 16px;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(190, 214, 255, 0.62);
}
.stage3d .tagline {
  position: absolute; right: 22px; bottom: 16px;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(190, 214, 255, 0.5);
}

/* ---------------- section rhythm ---------------- */
.sec { padding-top: 74px; }
.sec-tight { padding-top: 54px; }

.blk-h {
  display: flex; align-items: center; gap: 12px;
  font-size: 22px; font-weight: 600; color: var(--ink); letter-spacing: -0.018em;
}
.blk-h::before {
  content: ""; width: 3px; height: 19px; border-radius: 2px;
  background: linear-gradient(180deg, var(--blue-accent), var(--blue));
  box-shadow: 0 0 12px rgba(61,99,217, 0.5);
  flex: none;
}
.blk-h-lg { font-size: 27px; }
.blk-h-lg::before { height: 24px; }
.blk-p { font-size: 15.2px; line-height: 1.86; color: var(--body); }
.blk-p + .blk-p { margin-top: 16px; }
.mt-18 { margin-top: 18px; }
.mt-26 { margin-top: 26px; }
.mt-34 { margin-top: 34px; }

/* page title block */
.page-head { padding-top: 62px; }
.page-kicker {
  font-size: 11px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--blue-accent);
  margin-bottom: 14px;
}
.page-title { font-size: clamp(30px, 3.6vw, 44px); font-weight: 600; letter-spacing: -0.032em; line-height: 1.14; }
.page-title span { display: block; color: var(--blue-l); }
.page-sub { margin-top: 18px; max-width: 740px; font-size: 15px; line-height: 1.8; color: #96a8c1; }

/* ---------------- media ---------------- */
.banner {
  margin-top: 34px; border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 30px 64px -40px rgba(0, 0, 0, 0.9); background: #0c1729;
}
.banner img { width: 100%; height: auto; }

.media {
  border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 26px 56px -38px rgba(0, 0, 0, 0.9); background: #0c1729;
}
.media img { width: 100%; height: 100%; object-fit: cover; }

/* ---------------- partners / marquee ---------------- */
.partners { margin-top: 46px; }
.marquee {
  position: relative; overflow: hidden;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 16px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; gap: 12px; width: max-content; animation: slide 44s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  flex: none; height: 40px; display: flex; align-items: center; padding: 0 18px;
  border-radius: 20px; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line);
  font-size: 12.5px; font-weight: 500; letter-spacing: 0.035em; color: #a9bad2;
  white-space: nowrap; transition: border-color 0.25s, color 0.25s, transform 0.25s, background 0.25s;
}
.marquee-item:hover { border-color: rgba(61,99,217, 0.5); color: #fff; background: rgba(61,99,217, 0.08); transform: translateY(-1px); }

.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  display: inline-flex; align-items: center; height: 32px; padding: 0 14px;
  border-radius: 16px; background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  font-size: 12px; font-weight: 500; letter-spacing: 0.03em; color: #d3b8bc;
}
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------- partner band（首屏下的通栏滚动带） ---------------- */
.pband {
  position: relative; overflow: hidden;
  background:
    radial-gradient(70% 130% at 50% 0%, rgba(12,55,205, 0.30), transparent 66%),
    linear-gradient(180deg, #0c1729 0%, #070f22 100%);
  border-bottom: 1px solid var(--line);
  padding: 26px 0 18px;
}
.pband-net {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.55;
  background-image:
    radial-gradient(circle at 12% 62%, rgba(61,99,217, 0.55) 0 1.4px, transparent 2px),
    radial-gradient(circle at 27% 38%, rgba(255,130,143, 0.45) 0 1.2px, transparent 2px),
    radial-gradient(circle at 44% 72%, rgba(61,99,217, 0.45) 0 1.3px, transparent 2px),
    radial-gradient(circle at 61% 30%, rgba(155,180,255, 0.4) 0 1.2px, transparent 2px),
    radial-gradient(circle at 78% 66%, rgba(61,99,217, 0.5) 0 1.4px, transparent 2px),
    radial-gradient(circle at 91% 40%, rgba(255,130,143, 0.4) 0 1.2px, transparent 2px);
  background-size: 100% 100%;
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
}
.pband-label {
  position: relative;
  text-align: center; font-size: 10.5px; font-weight: 600; letter-spacing: 0.24em;
  text-transform: uppercase; color: rgba(160, 190, 226, 0.72); margin-bottom: 6px;
}
.pband-marquee {
  border: 0; padding: 10px 0 4px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.pband-marquee .marquee-track { gap: 62px; animation-duration: 34s; }
.plogo {
  flex: none; font-size: 21px; font-weight: 700; letter-spacing: 0.06em;
  color: rgba(214, 231, 252, 0.5); white-space: nowrap;
  transition: color 0.3s;
}
.pband-marquee:hover .plogo { color: rgba(224, 238, 255, 0.62); }

/* ---------------- cards ---------------- */
.cards { display: grid; gap: 20px; }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards-4 .card, .cards-2 .card { height: 100%; }

.card {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, rgba(16, 29, 51, 0.94), rgba(8, 16, 30, 0.94));
  border: 1px solid var(--line);
  border-radius: var(--r); padding: 26px 26px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.32s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.32s, border-color 0.32s;
  display: flex; flex-direction: column;
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(61,99,217, 0.55), transparent);
  opacity: 0; transition: opacity 0.32s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); border-color: rgba(61,99,217, 0.32); }
.card:hover::before { opacity: 1; }
.card-ico {
  width: 78px; height: 68px; border-radius: 11px;
  background: linear-gradient(150deg, rgba(30,70,220, 0.32), rgba(16, 32, 60, 0.5));
  display: grid; place-items: center; margin-bottom: 20px;
  border: 1px solid rgba(61,99,217, 0.22);
}
.card-ico svg { width: 30px; height: 30px; stroke: var(--blue-accent); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card-t { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.014em; line-height: 1.34; }
.card-more {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 12px; font-size: 10.5px; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--blue-l);
}
.card-more::after { content: "→"; transition: transform 0.26s; }
.card:hover .card-more::after { transform: translateX(4px); }
.card-d { margin-top: 12px; font-size: 14px; line-height: 1.78; color: #93a5be; }

/* ---------------- numbered / dash lists ---------------- */
.list-num { list-style: none; padding: 0; margin: 22px 0 0; counter-reset: n; }
.list-num li {
  position: relative; padding: 15px 0 15px 46px;
  border-top: 1px solid var(--line);
  font-size: 15px; line-height: 1.8; color: var(--body);
}
.list-num li:last-child { border-bottom: 1px solid var(--line); }
.list-num li::before {
  counter-increment: n; content: counter(n, decimal-leading-zero);
  position: absolute; left: 0; top: 15px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.06em; color: var(--blue-accent);
  background: rgba(61,99,217, 0.1); border-radius: 5px;
  width: 30px; height: 24px; display: grid; place-items: center;
}
.list-num b { color: var(--ink); font-weight: 600; }

.list-dash { list-style: none; padding: 0; margin: 20px 0 0; }
.list-dash li {
  position: relative; padding: 11px 0 11px 22px;
  font-size: 15px; line-height: 1.78; color: var(--body);
}
.list-dash li::before {
  content: ""; position: absolute; left: 0; top: 21px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-accent); opacity: 0.65;
  box-shadow: 0 0 10px rgba(61,99,217, 0.7);
}
.list-dash b { color: var(--ink); font-weight: 600; }

/* ---------------- split / grid ---------------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 46px; align-items: start; }
.split-wide { grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr); gap: 54px; align-items: center; }
.split-tight { gap: 30px; }
.stack-sm > * + * { margin-top: 14px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 46px; }

/* ---------------- why choose us（设计板为整行胶囊条） ---------------- */
.why { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 26px; }
.why-item {
  position: relative; overflow: hidden;
  display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap;
  padding: 17px 30px 17px 30px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(14,40,125, 0.5) 0%, rgba(14, 30, 55, 0.42) 46%, rgba(10, 20, 38, 0.3) 100%);
  border: 1px solid rgba(75,115,250, 0.18);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.035) inset;
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}
.why-item::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--blue-accent), var(--blue));
  opacity: 0.75;
}
.why-item:hover {
  border-color: rgba(61,99,217, 0.38);
  background: linear-gradient(90deg, rgba(20,50,150, 0.58) 0%, rgba(16, 34, 62, 0.46) 50%, rgba(11, 22, 42, 0.34) 100%);
  transform: translateX(2px);
}
.why-item h4 { font-size: 15px; margin: 0; color: var(--blue-accent); letter-spacing: -0.012em; flex: none; }
.why-item h4::after { content: ":"; color: rgba(61,99,217, 0.6); }
.why-item p { font-size: 14px; line-height: 1.7; color: #9fb2ca; margin: 0; flex: 1 1 320px; }

/* ---------------- cta ---------------- */
.cta {
  position: relative; margin-top: 80px; border-radius: 18px; overflow: hidden;
  background:
    radial-gradient(90% 120% at 50% 0%, rgba(30,80,245, 0.32), transparent 62%),
    linear-gradient(135deg, rgba(20, 40, 78, 0.95) 0%, rgba(11, 22, 42, 0.96) 60%, rgba(8, 16, 30, 0.98) 100%);
  padding: 58px 52px 46px; text-align: center;
  border: 1px solid rgba(61,99,217, 0.22);
}
.cta-kicker {
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--blue-accent); margin-bottom: 14px !important; opacity: 0.9;
}
.cta h2 { font-size: clamp(23px, 2.5vw, 32px); letter-spacing: -0.026em; line-height: 1.3; max-width: 660px; margin: 0 auto; }
.cta p { margin: 16px auto 0; max-width: 600px; font-size: 14.6px; line-height: 1.8; color: #9fb0c8; }
.cta .btn { margin-top: 26px; }
.cta-glow {
  position: absolute; left: 50%; bottom: -180px; transform: translateX(-50%);
  width: 640px; height: 340px; pointer-events: none;
  background: radial-gradient(50% 50% at 50% 50%, rgba(61,99,217, 0.26), rgba(50,91,255, 0.1) 45%, transparent 72%);
  filter: blur(4px);
}
.cta-lines { position: absolute; left: 0; right: 0; bottom: 0; height: 96px; overflow: hidden; pointer-events: none; opacity: 0.5; }
.cta-lines i {
  position: absolute; left: 50%; transform: translateX(-50%);
  width: 60%; height: 1px; background: linear-gradient(90deg, transparent, rgba(61,99,217, 0.5), transparent);
}
.cta-lines i:nth-child(1) { bottom: 26px; }
.cta-lines i:nth-child(2) { bottom: 46px; width: 44%; opacity: 0.7; }
.cta-lines i:nth-child(3) { bottom: 64px; width: 30%; opacity: 0.45; }

/* ---------------- footer ---------------- */
.foot { margin-top: 84px; border-top: 1px solid var(--line); background: rgba(4, 8, 16, 0.62); }
.foot-in {
  display: grid; grid-template-columns: 1.55fr 0.9fr 1.35fr 1.1fr;
  gap: 40px; padding-top: 56px; padding-bottom: 46px;
}
.foot-logo { height: 30px; width: auto; margin-bottom: 18px; opacity: 0.9; }
.foot-brand p { font-size: 13px; line-height: 1.86; color: #8e9fb8; max-width: 300px; }
.foot-col h4 {
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink); margin-bottom: 16px;
}
.foot-col a, .foot-col span {
  display: block; font-size: 13.2px; line-height: 1.9; color: #8e9fb8;
  transition: color 0.2s;
}
.foot-col a:hover { color: var(--blue-accent); }
.foot-bottom {
  border-top: 1px solid var(--line); padding: 18px 0 22px;
  display: flex; justify-content: space-between; gap: 16px;
  font-size: 11.5px; letter-spacing: 0.06em; color: #6f7f96;
}

/* ---------------- product viewer ---------------- */
.viewer {
  position: relative; height: 460px; border-radius: var(--r); overflow: hidden;
  background: radial-gradient(120% 130% at 50% 10%, #0e2a6e 0%, #0a1e52 48%, #070f22 100%);
  border: 1px solid var(--line);
  box-shadow: 0 34px 70px -44px rgba(0, 0, 0, 0.95);
}
.viewer canvas { display: block; width: 100%; height: 100%; }
.viewer-bar {
  position: absolute; left: 18px; top: 16px; display: flex; gap: 8px;
}
.viewer-bar button {
  height: 30px; padding: 0 13px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.08); color: #c3d4ff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font: 600 10px/1 Inter, sans-serif; letter-spacing: 0.14em; text-transform: uppercase;
  cursor: pointer; transition: 0.22s;
}
.viewer-bar button:hover { background: rgba(255, 255, 255, 0.16); }
.viewer-bar button.is-on { background: #e6eeff; color: #0e1e4a; border-color: #e6eeff; }
.viewer-hint {
  position: absolute; right: 18px; bottom: 15px;
  font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(190, 214, 255, 0.55);
}

/* ---------------- spec strip ---------------- */
.specs {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 30px;
  border-radius: var(--r); overflow: hidden; border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 29, 51, 0.9), rgba(8, 16, 30, 0.9));
}
.spec { padding: 22px 22px 20px; border-right: 1px solid var(--line); }
.spec:last-child { border-right: 0; }
.spec-k { font-size: 10px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.spec-v { margin-top: 8px; font-size: 20px; font-weight: 600; color: var(--blue-accent); letter-spacing: -0.02em; }
.spec-n { font-size: 12px; color: #7d8ca4; margin-top: 2px; }

/* ---------------- region list (company page) ---------------- */
.region-box {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  border-left: 2px solid rgba(61,99,217, 0.55);
  border-radius: 10px; padding: 14px 18px;
  font-size: 14.4px; line-height: 1.7; color: #b3c4da;
}
.region-box b { color: var(--blue-accent); font-weight: 600; }

/* ---------------- reveal ---------------- */
.js-anim [data-rv] { opacity: 0; transform: translateY(22px); transition: opacity 0.85s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.85s cubic-bezier(0.22, 0.61, 0.36, 1); }
.js-anim [data-rv].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js-anim [data-rv] { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.001ms !important; }
  .marquee-track { animation: none !important; transform: none !important; }
  .media img, .banner img { transform: none !important; }
}

/* ---------------- responsive ---------------- */
@media (max-width: 1080px) {
  .wrap { padding: 0 30px; }
  .nav { gap: 20px; }
  .cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-in { grid-template-columns: 1.4fr 1fr 1fr; row-gap: 34px; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .wrap { padding: 0 22px; }
  .head-in { height: 66px; }
  .brand img { height: 28px; }
  .nav { display: none; }
  .burger { display: block; }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav {
    display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
    position: absolute; left: 0; right: 0; top: 66px;
    background: rgba(6, 12, 22, 0.98); padding: 16px 22px 22px; border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px -20px rgba(0, 0, 0, 0.9);
  }
  body.nav-open .nav a { padding: 9px 0; font-size: 13px; }
  .head .btn.head-cta { display: none; }

  .hero-full { height: 100vh; height: 100svh; min-height: 600px; }
  .hero-inner { padding: 96px 22px 84px; }
  .hero-kicker { font-size: 9.5px; letter-spacing: 0.2em; }
  .hero-kicker::before, .hero-kicker::after { width: 22px; }
  .hero-title { margin-top: 22px; font-size: clamp(24px, 6.6vw, 34px); line-height: 1.24; }
  .hero-div { margin-top: 26px; }
  .hero-loc { margin-top: 18px; font-size: 10.5px; letter-spacing: 0.14em; }
  .hero-acts { margin-top: 30px; }
  .hero-acts .btn { height: 40px; padding: 0 18px; font-size: 10.5px; }
  .hero-scroll { bottom: 20px; font-size: 8.5px; letter-spacing: 0.24em; }
  .hero-scroll i { height: 30px; }

  .hero { padding-top: 44px; }
  .hero-sub { font-size: 14px; }
  .stage3d { height: 300px; margin-top: 28px; }
  .stage3d .tagline { display: none; }
  .stage3d .hint { left: 14px; bottom: 12px; font-size: 9px; }
  .sec { padding-top: 52px; }
  .split, .split-wide, .grid-2, .why, .cards-2 { grid-template-columns: minmax(0, 1fr); }
  .split { gap: 28px; }
  .cards-4 { grid-template-columns: minmax(0, 1fr); }
  .cta { padding: 40px 24px 34px; margin-top: 56px; }
  .foot { margin-top: 56px; }
  .foot-in { grid-template-columns: 1fr 1fr; gap: 30px; padding-top: 40px; }
  .specs { grid-template-columns: 1fr 1fr; }
  .spec { border-bottom: 1px solid var(--line); }
  .spec:nth-child(2n) { border-right: 0; }
  .viewer { height: 340px; }
  .blk-h { font-size: 19px; }
  .blk-h-lg { font-size: 23px; }
}
@media (max-width: 520px) {
  .specs { grid-template-columns: 1fr; }
  .spec { border-right: 0; }
  .foot-in { grid-template-columns: 1fr; }
  .hero-kicker { display: none; }
  .hero-title { margin-top: 0; line-height: 1.17; }
  .hero-lede { margin-top: 18px; font-size: 13.5px; line-height: 1.62; }
  .hero-acts { width: 100%; margin-top: 22px; flex-direction: column; gap: 10px; }
  .hero-acts .btn { width: min(100%, 270px); }
}

/* ---------------- home hero v2 / partner band — responsive ---------------- */
@media (max-width: 860px) {
  .hero-title br { display: none; }
  .hero-title { margin-top: 0; font-size: clamp(26px, 7.2vw, 36px); line-height: 1.22; }
  .hero-lede { margin-top: 16px; font-size: 13.2px; line-height: 1.62; }
  .hero-loc { margin-top: 12px; font-size: 9.6px; letter-spacing: 0.13em; }
  .hero-acts { margin-top: 26px; }
  .hero-acts .btn { height: 42px; padding: 0 26px; }
  .pband { padding: 20px 0 12px; }
  .pband-marquee .marquee-track { gap: 40px; }
  .plogo { font-size: 16px; }
  .pband-label { font-size: 9px; letter-spacing: 0.18em; }
  .why-item { border-radius: 22px; padding: 15px 20px 15px 22px; }
  .why-item h4 { font-size: 13.6px; }
  .why-item p { font-size: 13.2px; flex-basis: 100%; line-height: 1.66; }
  .cta-kicker { font-size: 9.5px; letter-spacing: 0.2em; }
}

/* 首屏按钮在暗场里更清晰 */
.hero-acts .btn-ghost {
  background: rgba(12, 26, 48, 0.58);
  border-color: rgba(142, 200, 255, 0.44);
  color: #e9f4ff;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 34px -16px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(61,99,217, 0.07) inset;
}
.hero-acts .btn-ghost:hover {
  background: rgba(32, 66, 118, 0.7);
  border-color: rgba(140,170,255, 0.7);
}

/* ============================================================
   nav — BUSINESS & SOLUTIONS 下拉子菜单
   ============================================================ */
.nav-sub { position: relative; display: flex; align-items: center; gap: 3px; }
.nav-sub::after { content: ""; position: absolute; left: -16px; right: -16px; top: 100%; height: 22px; }
.nav-sub-link { display: inline-flex; align-items: center; }

.sub-tgl {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 24px; padding: 0; margin: 0;
  border: 0; background: none; cursor: pointer; color: #8ea3bd;
  transition: color 0.22s;
}
.sub-tgl .caret {
  width: 9px; height: 6px; display: block;
  fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.28s cubic-bezier(0.22, 0.61, 0.36, 1), color 0.22s;
}
.nav-sub:hover .sub-tgl, .nav-sub.is-open .sub-tgl { color: #dcebff; }
.nav-sub:hover .sub-tgl .caret, .nav-sub.is-open .sub-tgl .caret { transform: rotate(180deg); }
.nav-sub-link.is-on + .sub-tgl { color: var(--blue-accent); }

.submenu {
  position: absolute; top: calc(100% + 17px); left: 50%;
  width: 384px; padding: 12px; border-radius: 13px;
  transform: translate(-50%, 9px);
  background: linear-gradient(180deg, rgba(15, 28, 50, 0.985) 0%, rgba(7, 14, 27, 0.985) 100%);
  border: 1px solid rgba(120, 175, 255, 0.16);
  box-shadow: 0 34px 74px -30px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(61,99,217, 0.05) inset;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.24s ease, transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1), visibility 0.24s;
  z-index: 8;
}
.submenu::before {
  content: ""; position: absolute; left: 50%; top: -6px;
  width: 10px; height: 10px; margin-left: -5px;
  transform: rotate(45deg);
  background: rgba(15, 28, 50, 0.985);
  border-left: 1px solid rgba(120, 175, 255, 0.16);
  border-top: 1px solid rgba(120, 175, 255, 0.16);
}
.nav-sub:hover .submenu,
.nav-sub:focus-within .submenu,
.nav-sub.is-open .submenu {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav .submenu .sub-item {
  display: flex; align-items: flex-start; gap: 13px;
  padding: 11px 13px; border-radius: 9px;
  font-size: 12.5px; letter-spacing: 0; text-transform: none;
  color: inherit; white-space: normal;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.nav .submenu .sub-item::after { display: none; }
.nav .submenu .sub-item:hover {
  background: rgba(46,91,255, 0.13);
  border-color: rgba(120, 175, 255, 0.16);
  color: #fff;
}
.sub-item i {
  flex: none; font-style: normal; padding-top: 2px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.12em;
  color: #1034A6; opacity: 0.85;
}
.sub-item span { display: block; min-width: 0; }
.sub-item b { display: block; font-size: 12.9px; font-weight: 600; color: #e9f4ff; letter-spacing: 0.005em; }
.sub-item em {
  display: block; margin-top: 3px;
  font-style: normal; font-size: 11.3px; line-height: 1.55; font-weight: 400;
  color: #8ba1bd; letter-spacing: 0.005em;
}
.nav .submenu .sub-item:hover b { color: #fff; }
.nav .submenu .sub-item.is-on { background: rgba(46,91,255, 0.1); border-color: rgba(120, 175, 255, 0.14); }
.nav .submenu .sub-item.is-on b { color: var(--blue-accent); }
.nav .submenu .sub-item.is-on i { opacity: 1; }

/* 移动端：下拉转为手风琴 */
@media (max-width: 860px) {
  .nav-sub { width: 100%; flex-wrap: wrap; }
  .nav-sub::after { display: none; }
  .nav-sub-link { flex: 1; }
  .sub-tgl { width: 34px; height: 34px; }
  .submenu {
    position: static; width: 100%; transform: none;
    margin: 4px 0 8px; padding: 6px; border-radius: 10px;
    background: rgba(255, 255, 255, 0.032);
    border-color: rgba(255, 255, 255, 0.07);
    box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none;
    opacity: 1; visibility: visible; pointer-events: auto;
    display: none;
  }
  .submenu::before { display: none; }
  .nav-sub.is-open .submenu { display: block; left: auto; top: auto; transform: none; }
  .nav-sub .submenu { left: auto; top: auto; transform: none; }
  .nav .submenu .sub-item { padding: 10px 11px; }
  .sub-item em { display: none; }
  .sub-item b { font-size: 12.6px; }
}

/* ============================================================
   EDITORIAL LAYER — 欧美 B2B 排版
   大留白 / 左对齐 / 编号小标 / 细线分隔 / 直角 / 弱化发光
   ============================================================ */
:root {
  --maxw: 1500px;
  --r: 3px;
  --rule: rgba(150, 182, 222, 0.15);
  --card-bg: var(--card);
}
body { counter-reset: secnum whynum; }

/* ---------- 字体：Manrope 做标题 ---------- */
h1, h2, h3, h4, .hero-title, .page-title, .blk-h, .card-t, .cta h2, .foot-col h4,
.plogo-slot b, .spec-v {
  font-family: Manrope, Inter, "Segoe UI", -apple-system, sans-serif;
  font-feature-settings: "kern" 1;
}

/* ---------- 章节节奏 ---------- */
.sec { padding-top: 106px; }
.sec-tight { padding-top: 76px; }
.sec { scroll-margin-top: 90px; }

/* 章节小标：细线 + 序号 */
.blk-h {
  counter-increment: secnum;
  position: relative;
  display: block;
  padding-top: 46px;
  border-top: 1px solid var(--rule);
  font-size: clamp(24px, 2.3vw, 31px);
  font-weight: 700;
  letter-spacing: -0.032em;
  line-height: 1.14;
  color: var(--ink);
}
.blk-h::before {
  content: counter(secnum, decimal-leading-zero);
  position: absolute; top: 13px; left: 0;
  width: auto; height: auto; flex: none;
  border: 0; border-radius: 0; padding: 0;
  background: none; box-shadow: none;
  font-family: Inter, sans-serif;
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.22em;
  color: #64809f;
}
.blk-h-lg { font-size: clamp(27px, 2.9vw, 40px); letter-spacing: -0.038em; }
.blk-h-lg::before { height: auto; }

.blk-p { font-size: 15.8px; line-height: 1.82; color: #c7d2e3; max-width: 78ch; }
.blk-p + .blk-p { margin-top: 18px; }

/* ---------- 内页刊头 ---------- */
.page-head { padding-top: 94px; }
.page-head + .sec { padding-top: 78px; }
.page-kicker {
  margin-bottom: 22px; font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.28em; color: #7194bd;
}
.page-title {
  font-size: clamp(36px, 4.9vw, 64px); font-weight: 700;
  letter-spacing: -0.042em; line-height: 1.03;
}
.page-sub { margin-top: 26px; max-width: 640px; font-size: 16.4px; line-height: 1.72; color: #9cb1c9; }

/* ---------- 分栏：非对称 ---------- */
.split-wide { grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr); gap: 64px; }
.split { gap: 52px; }

/* ---------- 图片：直角 + 暗角 ---------- */
.media, .banner {
  border-radius: 3px; border-color: var(--rule); overflow: hidden;
  box-shadow: 0 44px 90px -54px rgba(0, 0, 0, 0.95);
  position: relative; background: #060d18;
}
.media img, .banner img {
  transition: transform 1.2s cubic-bezier(0.2, 0.7, 0.2, 1), filter 0.6s ease;
}
.media:hover img, .banner:hover img { transform: scale(1.028); }
.media::after, .banner::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 10, 19, 0) 52%, rgba(5, 10, 19, 0.46) 100%),
    radial-gradient(128% 108% at 50% 0%, rgba(5, 10, 19, 0) 58%, rgba(5, 10, 19, 0.34) 100%);
}

/* ---------- 卡片：去掉渐变与光晕 ---------- */
.cards { gap: 18px; align-items: stretch; }
.card {
  display: flex; flex-direction: column;
  border-radius: 3px;
  background: var(--card-bg);
  border: 1px solid var(--rule);
  box-shadow: none;
  padding: 34px 30px 34px;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.card::before { display: none; }
.card:hover {
  transform: none;
  background: #0c1729;
  border-color: rgba(150, 195, 245, 0.32);
  box-shadow: 0 34px 64px -50px rgba(0, 0, 0, 1);
}
.card-ico {
  width: 46px; height: 46px; border-radius: 3px; margin-bottom: 26px;
  background: rgba(120, 170, 255, 0.07);
  border: 1px solid rgba(120, 170, 255, 0.17);
}
.card-ico svg { width: 21px; height: 21px; stroke: #a9c0ff; stroke-width: 1.5; }
.card-t { font-size: 19.4px; font-weight: 700; letter-spacing: -0.024em; line-height: 1.32; }
.card-d { margin-top: 14px; font-size: 14.4px; line-height: 1.76; color: #8fa3bc; }
.card-more {
  margin-top: auto; padding-top: 24px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.2em; color: #c9dffa;
}
.card-more:hover { color: #fff; }
.card-more::after { transform: none; }

/* ---------- Why Choose Us：编辑式索引行 ---------- */
.why { gap: 0; margin-top: 42px; border-top: 1px solid var(--rule); }
.why-item {
  counter-increment: whynum;
  display: grid;
  grid-template-columns: 46px minmax(0, 250px) minmax(0, 1fr);
  gap: 30px;
  align-items: start;
  padding: 26px 0;
  border: 0; border-bottom: 1px solid var(--rule);
  border-radius: 0; background: none; box-shadow: none;
  transition: background 0.3s;
}
.why-item::before { display: none; }
.why-item::after {
  content: counter(whynum, decimal-leading-zero);
  order: -1; padding-top: 4px;
  font-family: Inter, sans-serif; font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.2em; color: #64809f;
}
.why-item:hover { background: rgba(255, 255, 255, 0.022); transform: none; }
.why-item h4 {
  font-size: 15.6px; font-weight: 700; letter-spacing: -0.012em;
  color: var(--ink); flex: none;
}
.why-item h4::after { content: none; }
.why-item p { flex: none; font-size: 14.6px; line-height: 1.75; color: #92a6be; }

/* ---------- CTA：左对齐、去掉光斑 ---------- */
.cta {
  margin-top: 100px; border-radius: 3px;
  padding: 74px 62px 66px; text-align: left;
  background: linear-gradient(180deg, #0c1729 0%, #070f22 100%);
  border: 1px solid var(--rule);
}
.cta-kicker { margin: 0 0 20px; letter-spacing: 0.28em; color: #7194bd; opacity: 1; }
.cta h2 {
  margin: 0; max-width: 820px;
  font-size: clamp(26px, 3.05vw, 42px); font-weight: 700;
  letter-spacing: -0.038em; line-height: 1.08;
}
.cta p { margin: 24px 0 0; max-width: 560px; font-size: 15.4px; line-height: 1.76; color: #93a5be; }
.cta .btn { margin-top: 34px; }
.cta-glow, .cta-lines { display: none; }

/* ---------- 按钮：直角、去发光 ---------- */
.btn {
  border-radius: 2px; height: 44px; padding: 0 26px;
  font-size: 10.8px; letter-spacing: 0.17em;
  background: #1f46d9; border: 1px solid rgba(140,170,255, 0.34);
  box-shadow: none;
}
.btn:hover { transform: none; background: #1034A6; box-shadow: 0 16px 34px -26px #1f46d9; }
.btn-ghost { border-radius: 2px; background: rgba(255, 255, 255, 0.05); border-color: rgba(155,180,255, 0.26); }
.hero-acts .btn { border-radius: 2px; height: 46px; padding: 0 30px; }

/* ---------- 首屏 ---------- */
.hero-fallback {
  position: absolute; inset: 0; z-index: 0;
  background: #050a14 url("../img/hall-wide.jpg") center/cover no-repeat;
  opacity: 0.82;
  filter: saturate(0.96) contrast(1.06);
  transition: opacity 0.35s ease;
}
.hero-full.is-3d .hero-fallback { opacity: 0; }
.hero-title {
  font-weight: 700; letter-spacing: -0.042em; line-height: 1.05;
  font-size: clamp(29px, 3.95vw, 58px);
}
.hero-lede { max-width: 780px; margin-left: auto; margin-right: auto; font-size: 15.4px; line-height: 1.7; text-wrap: balance; }
.hero-loc { font-size: 10.6px; letter-spacing: 0.26em; color: #8ea6c4; }

/* ---------- header ---------- */
.head-in { height: 76px; }
.nav { gap: 34px; }
.nav a { font-size: 11.6px; letter-spacing: 0.145em; }

/* ---------- 合作商 logo 墙（预留上载位） ---------- */
.pband {
  padding: 34px 0 28px; background: #070f1c;
  border-bottom: 1px solid var(--rule);
}
.pband-net, .pband-cell { display: none; }
.pband-in { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }
.pband-label {
  text-align: left; margin-bottom: 20px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.26em;
  color: #64809f; text-transform: uppercase;
}
.pband-label span { color: #cfe0f5; }
.pband-marquee { border: 0; padding: 0; }
.pband-marquee .marquee-track { gap: 18px; animation-duration: 52s; }

.plogo-slot {
  flex: none; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 58px; min-width: 172px; padding: 0 20px;
  border-radius: 2px;
  border: 1px dashed rgba(150, 185, 230, 0.26);
  background: rgba(255, 255, 255, 0.014);
  color: #6d86a5;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.plogo-slot:hover {
  border-color: rgba(160, 205, 255, 0.52);
  color: #d3e5fa; background: rgba(120, 170, 255, 0.05);
}
.plogo-ico { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.4; flex: none; }
.plogo-slot b {
  font-size: 10px; font-weight: 600; letter-spacing: 0.2em;
  font-family: Inter, sans-serif; white-space: nowrap;
}
/* 已上传 logo 的形态 */
.plogo-slot.is-filled {
  border: 0; background: none; min-width: 0; padding: 0 14px;
}
.plogo-slot.is-filled img {
  height: 40px; width: auto; opacity: 0.66;
  filter: grayscale(1) brightness(1.85);
  transition: opacity 0.3s, filter 0.3s;
}
.plogo-slot.is-filled:hover img { opacity: 1; filter: none; }

/* ---------- 列表 ---------- */
.list-num li { border-top: 1px solid var(--rule); padding: 18px 0 18px 54px; font-size: 15px; }
.list-num li:last-child { border-bottom: 1px solid var(--rule); }
.list-num li::before {
  counter-increment: n;
  top: 20px; left: 0; width: auto; height: auto;
  border-radius: 0; background: none;
  font-family: Inter, sans-serif; font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.18em; color: #64809f;
}
.list-dash li { padding: 12px 0 12px 26px; }
.list-dash li::before {
  top: 19px; width: 9px; height: 1px; border-radius: 0;
  background: #5d7ea6; box-shadow: none; opacity: 1;
}

/* ---------- 参数条 / 区域框 / 3D 视窗 ---------- */
.specs { border-radius: 3px; }
.spec { padding: 24px 24px 22px; }
.spec-k { letter-spacing: 0.2em; color: #6d8199; }
.spec-v { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; }
.region-box { border-radius: 3px; border-left-width: 1px; }
.viewer { border-radius: 3px; }
.viewer-bar button { border-radius: 2px; }

/* ---------- footer ---------- */
.foot { margin-top: 100px; border-top: 1px solid var(--rule); }
.foot-in { gap: 48px; padding-top: 66px; padding-bottom: 58px; }
.foot-brand p { font-size: 13.2px; line-height: 1.85; color: #8b9eb6; }
.foot-col h4 { font-size: 10px; letter-spacing: 0.24em; color: #8ba3c1; }
.foot-col a, .foot-col span { font-size: 13px; }
.foot-bottom { letter-spacing: 0.08em; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .split-wide { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 44px; }
  .why-item { grid-template-columns: 40px minmax(0, 200px) minmax(0, 1fr); gap: 22px; }
}
@media (max-width: 860px) {
  .sec { padding-top: 76px; }
  .sec-tight { padding-top: 54px; }
  .page-head { padding-top: 84px; }
  .page-head + .sec { padding-top: 52px; }
  .page-title { font-size: clamp(30px, 8.4vw, 42px); }
  .page-sub { margin-top: 18px; font-size: 14.6px; }
  .blk-h { padding-top: 38px; font-size: 22px; }
  .blk-h::before { top: 11px; font-size: 9.6px; }
  .blk-h-lg { font-size: 25px; }
  .blk-p { font-size: 14.8px; line-height: 1.78; }

  .split-wide, .split { grid-template-columns: minmax(0, 1fr); gap: 32px; }

  .why { margin-top: 28px; }
  .why-item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px 14px; padding: 22px 0;
  }
  .why-item::after { padding-top: 2px; }
  .why-item p { grid-column: 2 / -1; font-size: 13.8px; }
  .why-item h4 { font-size: 14.8px; }

  .card { padding: 26px 22px 26px; }
  .card-t { font-size: 17.6px; }
  .card-ico { width: 42px; height: 42px; margin-bottom: 20px; }

  .cta { margin-top: 68px; padding: 46px 26px 42px; }
  .cta h2 { font-size: clamp(23px, 6.6vw, 30px); }
  .cta p { font-size: 14.4px; }

  .pband { padding: 26px 0 22px; }
  .pband-in { padding: 0 22px; }
  .pband-label { font-size: 9px; letter-spacing: 0.2em; margin-bottom: 16px; }
  .plogo-slot { height: 50px; min-width: 142px; padding: 0 16px; }
  .plogo-slot b { font-size: 9px; }
  .pband-marquee .marquee-track { gap: 12px; }

  .hero-lede { font-size: 13.4px; max-width: none; }
  .hero-loc { font-size: 9.4px; letter-spacing: 0.2em; }
  .foot-in { gap: 34px; padding-top: 50px; padding-bottom: 40px; }
}

/* ---------- editorial refinements ---------- */
.blk-h-lg { font-size: clamp(25px, 2.5vw, 33px); letter-spacing: -0.034em; line-height: 1.16; }

/* 小标题（页面内二级块） */
.blk-h-sm {
  padding-top: 34px;
  font-size: 16.4px; font-weight: 700; letter-spacing: -0.008em; line-height: 1.35;
}
.blk-h-sm::before { top: 11px; font-size: 9.8px; letter-spacing: 0.2em; }

/* 场景标签 */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tags span {
  display: inline-flex; align-items: center;
  padding: 10px 15px; border-radius: 2px;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.02);
  font-size: 12.6px; line-height: 1.4; letter-spacing: 0.008em;
  color: #b3c4da;
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}
.tags span:hover { border-color: rgba(150, 195, 245, 0.34); color: #eaf4ff; background: rgba(120, 170, 255, 0.05); }

/* 图文分栏顶部对齐（编辑式栅格） */
.split-wide { align-items: start; }

/* 首页 Regional Presence 地图 */
.rp-map { position: relative; border-radius: 12px; overflow: hidden; }
.rp-svg { display: block; width: 100%; height: auto; }
.rp-node { cursor: pointer; outline: none; }
.rp-node .rp-node-dot { transition: fill 0.18s, r 0.18s; }
.rp-node .rp-node-glow { transition: opacity 0.22s; }
.rp-node:hover .rp-node-dot,
.rp-node:focus .rp-node-dot,
.rp-node.is-on .rp-node-dot { fill: #eef4fe; }
.rp-node:hover .rp-node-glow,
.rp-node:focus .rp-node-glow,
.rp-node.is-on .rp-node-glow { opacity: 1; }
/* 真实地图：国家轮廓悬停亮化 */
.rp-node path { transition: fill 0.2s; }
.rp-node:hover path, .rp-node:focus path, .rp-node.is-on path { fill: #7f9cff; }
.rp-node text { pointer-events: none; }
/* 悬停浮层 */
.rp-tip {
  position: absolute; z-index: 6; left: 0; top: 0;
  transform: translate(-50%, -130%);
  min-width: 150px; max-width: 190px;
  padding: 9px 13px; border-radius: 9px;
  background: rgba(10, 20, 48, 0.94);
  border: 1px solid rgba(79, 134, 255, 0.5);
  box-shadow: 0 14px 34px -14px rgba(0, 0, 0, 0.85);
  color: #eaf4ff; font-size: 12.6px; line-height: 1.55;
  opacity: 0; pointer-events: none; transition: opacity 0.18s;
}
.rp-tip b { color: #7f9cff; font-weight: 600; }
.rp-tip.is-on { opacity: 1; }
/* 右侧区域清单联动高亮 */
.region-box { transition: border-color 0.22s, background 0.22s; }
.region-box.is-hot {
  border-color: rgba(79, 134, 255, 0.68);
  background: linear-gradient(180deg, rgba(79, 134, 255, 0.16), rgba(79, 134, 255, 0.04));
}
.rp-title { margin: 0; }

@media (max-width: 860px) {
  .blk-h-sm { padding-top: 28px; font-size: 15.4px; }
  .blk-h-sm::before { top: 9px; }
  .tags { margin-top: 18px; gap: 6px; }
  .tags span { padding: 8px 12px; font-size: 11.8px; }
}
/* Regional Presence：地图铺满整块 + 文字叠在地图左下角 */
.rp-full { position: relative; border-radius: 20px; overflow: hidden; background: #060b16; }
.rp-full .rp-svg { width: 100%; height: auto; }
.rp-map-caption { position: absolute; left: 0; bottom: 100px; z-index: 2; max-width: 500px;
  padding: 30px 34px 30px;
  background: transparent;
}
.rp-map-caption .rp-title { font-size: 22px; line-height: 1.25; text-shadow: 0 2px 10px rgba(0,0,0,0.9), 0 1px 3px rgba(0,0,0,0.9); }
.rp-map-caption .blk-p { color: #cdd9f5; font-size: 13.6px; line-height: 1.65; max-width: 470px; text-shadow: 0 1px 5px rgba(0,0,0,0.85); }
.rp-map-caption .region-box { color: #dbe6ff; font-size: 12.8px; line-height: 1.5; padding: 10px 14px; background: rgba(6, 11, 22, 0.28); border: 1px solid rgba(125, 159, 255, 0.42); border-left: 2px solid rgba(79, 134, 255, 0.65); border-radius: 6px; text-shadow: 0 1px 6px rgba(0,0,0,0.7); }
.rp-map-caption .stack-sm > * + * { margin-top: 10px; }
.rp-map-caption .mt-18 { margin-top: 14px; }
.rp-map-caption .mt-26 { margin-top: 18px; }
@media (max-width: 700px) {
  .rp-map-caption { position: static; max-width: none; padding: 22px 20px; background: transparent; }
}

/* ---------- contact enquiry form ---------- */
.contact-form {
  padding: 34px 32px 30px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(16, 30, 54, 0.92), rgba(12, 23, 41, 0.92));
}
.form-intro .form-kicker { margin: 0 0 12px; font-size: 10px; font-weight: 700; letter-spacing: .24em; color: var(--blue-l); }
.form-intro h2 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -.035em; }
.form-intro p:not(.form-kicker) { margin-top: 14px; max-width: 48ch; color: var(--body); font-size: 14px; line-height: 1.7; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.form-grid label { display: grid; gap: 8px; min-width: 0; }
.form-grid label span, .contact-facts span { font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%; border: 1px solid rgba(127, 156, 255, .22); border-radius: 3px; background: rgba(6, 11, 22, .62);
  color: var(--ink); padding: 11px 12px; outline: none; transition: border-color .2s, background .2s;
}
.form-grid textarea { resize: vertical; min-height: 120px; }
.form-grid input::placeholder, .form-grid textarea::placeholder { color: #71809a; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--blue-l); background: rgba(6, 11, 22, .86); }
.form-wide { grid-column: 1 / -1; }
.form-submit { margin-top: 24px; }
.form-status { margin-top: 14px; color: var(--muted); font-size: 12px; line-height: 1.55; }
.form-status.is-pending { color: var(--blue-l); }
.contact-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.contact-facts > div { padding: 16px 18px; border: 1px solid var(--rule); border-radius: var(--r); background: rgba(12, 23, 41, .56); }
.contact-facts strong { display: block; margin-top: 8px; color: var(--ink); font-size: 14px; font-weight: 600; }
@media (max-width: 620px) {
  .contact-form { padding: 26px 20px 24px; }
  .form-grid, .contact-facts { grid-template-columns: 1fr; }
  .form-wide { grid-column: auto; }
}

/* ---------- contact page layout guard ---------- */
.contact-layout {
  grid-template-columns: minmax(240px, 0.82fr) minmax(0, 1.18fr);
  gap: 42px;
  align-items: start;
}
.contact-layout > div { min-width: 0; }
.contact-layout .contact-form { display: block; width: 100%; box-sizing: border-box; }
.contact-layout .form-grid {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 16px !important;
  align-items: start;
}
.contact-layout .form-grid label {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) !important;
  gap: 8px !important;
  align-items: start;
}
.contact-layout .form-grid input,
.contact-layout .form-grid select,
.contact-layout .form-grid textarea {
  display: block;
  box-sizing: border-box;
  min-width: 0;
  min-height: 42px;
}
.contact-layout .form-grid textarea { min-height: 120px; }
.contact-layout .form-wide { grid-column: 1 / -1 !important; }
@media (max-width: 860px) {
  .contact-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 620px) {
  .contact-layout .form-grid { grid-template-columns: minmax(0, 1fr) !important; }
  .contact-layout .form-wide { grid-column: auto !important; }
}