/* ============================================================
   Veritix Technology 官网全局样式
   ============================================================ */
:root {
  --navy: #0c1e42;
  --navy-deep: #071430;
  --navy-ink: #04102a;
  --ink: #10203a;
  --text: #33404f;
  --muted: #6b7686;
  --accent: #2e7bf6;
  --accent-soft: rgba(46, 123, 246, 0.12);
  --gold: #c9a96a;
  --bg: #ffffff;
  --bg-tint: #f4f6fa;
  --line: rgba(12, 30, 66, 0.1);
  --line-dark: rgba(255, 255, 255, 0.12);
  --radius: 16px;
  --radius-lg: 24px;
  --font: "Inter", -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", ui-monospace, "Roboto Mono", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.reveal { opacity: 1; }
body { opacity: 0; transition: opacity .5s ease; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.mono { font-family: var(--mono); }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(12, 30, 66, 0.06);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--accent), #6db3ff);
  display: grid; place-items: center; color: #fff;
  font-weight: 800; font-size: 17px; letter-spacing: 0;
  box-shadow: 0 4px 14px rgba(46, 123, 246, 0.35);
}
.brand-name { font-weight: 700; font-size: 16px; color: #fff; line-height: 1.25; transition: color .35s; }
.brand-name small { display: block; font-size: 10px; font-weight: 500; letter-spacing: .22em; opacity: .72; }
.nav.scrolled .brand-name { color: var(--ink); }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-size: 14.5px; font-weight: 500; color: rgba(255,255,255,.82);
  padding: 6px 2px; position: relative; transition: color .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--accent); border-radius: 2px; transition: width .3s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav.scrolled .nav-links a { color: var(--text); }
.nav.scrolled .nav-links a:hover, .nav.scrolled .nav-links a.active { color: var(--accent); }
.nav-cta {
  font-size: 13.5px; font-weight: 600; padding: 9px 20px !important;
  border-radius: 999px; background: var(--accent); color: #fff !important;
  transition: transform .25s, box-shadow .25s, background .25s;
}
.nav-cta::after { display: none; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(46,123,246,.4); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 40px; height: 40px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px auto; border-radius: 2px; transition: .3s; }
.nav.scrolled .nav-toggle span { background: var(--ink); }

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  background: radial-gradient(1200px 700px at 78% -10%, #123064 0%, var(--navy-deep) 55%, var(--navy-ink) 100%);
  color: #fff; overflow: hidden; padding: 140px 0 90px;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 26px 26px; pointer-events: none;
  mask-image: linear-gradient(to bottom, black 40%, transparent 95%);
}
.hero-grid {
  position: relative; z-index: 2; display: grid;
  grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: .28em; text-transform: uppercase;
  color: rgba(255,255,255,.65); border: 1px solid var(--line-dark);
  padding: 8px 18px; border-radius: 999px; margin-bottom: 28px;
  background: rgba(255,255,255,.04); backdrop-filter: blur(6px);
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(74,222,128,.5);} 55% { box-shadow: 0 0 0 8px rgba(74,222,128,0);} }
.hero h1 {
  font-size: clamp(34px, 4.6vw, 58px); line-height: 1.18; font-weight: 700;
  letter-spacing: -0.01em; color: #fff;
}
.hero h1 em { font-style: normal; color: transparent; background: linear-gradient(92deg, #6db3ff, #2e7bf6 60%, #c9a96a 130%); -webkit-background-clip: text; background-clip: text; }
.hero-sub { margin-top: 24px; font-size: 17px; color: rgba(255,255,255,.68); max-width: 560px; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 30px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: transform .25s, box-shadow .25s, background .25s, border-color .25s;
  cursor: pointer; border: 0;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 24px rgba(46,123,246,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(46,123,246,.45); }
.btn-ghost { border: 1px solid var(--line-dark); color: #fff; background: rgba(255,255,255,.04); backdrop-filter: blur(6px); }
.btn-ghost:hover { border-color: rgba(255,255,255,.4); transform: translateY(-2px); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(12,30,66,.3); }
.hero-stats { margin-top: 56px; display: flex; gap: 44px; flex-wrap: wrap; }
.hstat .num { font-family: var(--mono); font-size: 30px; font-weight: 700; color: #fff; }
.hstat .num i { font-style: normal; color: var(--gold); font-size: 18px; margin-left: 2px; }
.hstat .lbl { font-size: 12.5px; color: rgba(255,255,255,.55); letter-spacing: .06em; margin-top: 2px; }

/* Hero 浮动数据卡 */
.hero-card {
  position: relative; background: rgba(9, 22, 48, 0.72);
  border: 1px solid var(--line-dark); border-radius: var(--radius-lg);
  padding: 30px 30px 26px; backdrop-filter: blur(16px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  animation: floaty 7s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-12px);} }
.hero-card h4 { font-size: 12px; letter-spacing: .26em; text-transform: uppercase; color: rgba(255,255,255,.5); font-weight: 600; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.hero-card h4::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
.hc-row { display: flex; justify-content: space-between; align-items: baseline; padding: 13px 0; border-bottom: 1px dashed rgba(255,255,255,.1); }
.hc-row:last-child { border-bottom: 0; }
.hc-row .k { font-size: 13.5px; color: rgba(255,255,255,.62); }
.hc-row .v { font-family: var(--mono); font-size: 19px; font-weight: 700; color: #7db4ff; }
.hc-row .v em { font-style: normal; font-size: 12px; color: rgba(255,255,255,.45); margin-left: 3px; }
.hc-chart { margin-top: 18px; height: 64px; }
.hc-chart svg { width: 100%; height: 100%; }
.hc-line { fill: none; stroke: #2e7bf6; stroke-width: 2; stroke-dasharray: 400; stroke-dashoffset: 400; animation: draw 2.6s ease forwards .6s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.hc-area { fill: url(#hcg); opacity: 0; animation: fadein 1.2s ease forwards 1.6s; }
@keyframes fadein { to { opacity: 1; } }

/* Hero 进入动画 */
.hero-intro-anim { opacity: 0; transform: translateY(28px); animation: heroIn .9s cubic-bezier(.22,1,.36,1) forwards; }
.hero-intro-anim-delayed { opacity: 0; transform: translateY(28px); animation: heroIn .9s cubic-bezier(.22,1,.36,1) .18s forwards; }
.hero-intro-anim-delayed-2 { opacity: 0; transform: translateY(28px); animation: heroIn .9s cubic-bezier(.22,1,.36,1) .36s forwards; }
@keyframes heroIn { to { opacity: 1; transform: translateY(0); } }

/* ---------- 品牌跑马灯 ---------- */
.marquee-band { background: var(--navy-ink); border-top: 1px solid var(--line-dark); padding: 26px 0; overflow: hidden; }
.marquee-band .band-label { text-align: center; font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 18px; }
.marquee { overflow: hidden; mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent); }
.marquee-track { display: flex; gap: 18px; width: max-content; animation: marquee 42s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.m-logo {
  flex: none; display: flex; align-items: center; justify-content: center;
  min-width: 150px; height: 58px; padding: 0 28px; border-radius: 12px;
  border: 1px solid var(--line-dark); background: rgba(255,255,255,.035);
  color: rgba(255,255,255,.78); font-weight: 600; font-size: 14.5px; letter-spacing: .04em;
  font-family: var(--mono); transition: border-color .3s, background .3s;
}
.m-logo:hover { border-color: rgba(125,180,255,.5); background: rgba(46,123,246,.12); }

/* ---------- 通用区块 ---------- */
.section { padding: 110px 0; }
.section.tinted { background: color-mix(in oklab, #0c1e42 4%, #fafbfc); }
.section.dark { background: var(--navy-deep); color: #fff; }
.sec-head { max-width: 720px; margin-bottom: 60px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-tag {
  display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: .26em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.sec-tag::before { content: "— "; color: var(--gold); }
.sec-head h2 { font-size: clamp(28px, 3.2vw, 42px); font-weight: 700; color: var(--ink); line-height: 1.25; letter-spacing: -0.01em; }
.section.dark .sec-head h2 { color: #fff; }
.sec-head p { margin-top: 18px; font-size: 16.5px; color: var(--muted); }
.section.dark .sec-head p { color: rgba(255,255,255,.62); }

/* 滚动渐入 */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- 三大事业部卡片 ---------- */
.div-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.div-card {
  position: relative; border-radius: var(--radius-lg); padding: 38px 34px 34px;
  background: #fff; border: 1px solid var(--line); overflow: hidden;
  transition: transform .35s cubic-bezier(.22,1,.36,1), box-shadow .35s, border-color .35s;
}
.div-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(12,30,66,.12); border-color: rgba(46,123,246,.35); }
.div-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), #6db3ff);
  transform: scaleX(0); transform-origin: left; transition: transform .45s cubic-bezier(.22,1,.36,1);
}
.div-card:hover::before { transform: scaleX(1); }
.div-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 22px; }
.div-icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}
.div-icon svg { width: 26px; height: 26px; }
.div-share { text-align: right; }
.div-share .pct { font-family: var(--mono); font-size: 34px; font-weight: 700; color: var(--navy); line-height: 1; }
.div-share .role { font-size: 11.5px; color: var(--gold); letter-spacing: .08em; margin-top: 6px; font-weight: 600; }
.div-card h3 { font-size: 21px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.div-card .en { font-size: 11.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.div-card > p { font-size: 14.5px; color: var(--muted); margin-bottom: 22px; }
.div-list li {
  font-size: 14px; color: var(--text); padding: 10px 0 10px 24px; position: relative;
  border-bottom: 1px dashed var(--line);
}
.div-list li:last-child { border-bottom: 0; }
.div-list li::before { content: ""; position: absolute; left: 2px; top: 18px; width: 8px; height: 8px; border-radius: 2px; background: var(--accent-soft); border: 2px solid var(--accent); }
.div-more { margin-top: 24px; display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--accent); }
.div-more svg { transition: transform .3s; }
.div-card:hover .div-more svg { transform: translate(3px, -3px); }

/* ---------- 品类横排 ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cat-card {
  border: 1px solid var(--line-dark); border-radius: var(--radius);
  padding: 30px 26px; background: rgba(255,255,255,.03);
  transition: transform .3s, border-color .3s, background .3s;
}
.cat-card:hover { transform: translateY(-4px); border-color: rgba(125,180,255,.45); background: rgba(46,123,246,.08); }
.cat-card .idx { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: .14em; }
.cat-card h4 { font-size: 17.5px; font-weight: 700; color: #fff; margin: 14px 0 10px; }
.cat-card p { font-size: 13.5px; color: rgba(255,255,255,.58); line-height: 1.7; }
.cat-card .tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 7px; }
.cat-card .tags span { font-size: 11.5px; padding: 4px 11px; border-radius: 999px; border: 1px solid var(--line-dark); color: rgba(255,255,255,.62); }

/* ---------- SLA 指标带 ---------- */
.sla-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.sla-item { padding: 30px 26px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); text-align: left; transition: transform .3s, box-shadow .3s; }
.sla-item:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(12,30,66,.1); }
.sla-item .v { font-family: var(--mono); font-size: 32px; font-weight: 700; color: var(--navy); }
.sla-item .v b { color: var(--accent); }
.sla-item .k { font-size: 13.5px; font-weight: 600; color: var(--ink); margin-top: 8px; }
.sla-item .d { font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* ---------- 优势 ---------- */
.adv-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.adv-item { display: flex; gap: 22px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.adv-item:last-child { border-bottom: 0; }
.adv-num { font-family: var(--mono); font-size: 14px; font-weight: 700; color: var(--gold); flex: none; padding-top: 4px; }
.adv-item h4 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.adv-item p { font-size: 14.5px; color: var(--muted); }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; margin-top: 20px; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 26px; height: 2px; background: linear-gradient(90deg, var(--accent), rgba(46,123,246,.15)); }
.tl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.tl-item { padding-top: 64px; position: relative; }
.tl-item::before { content: ""; position: absolute; top: 19px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--accent); box-shadow: 0 0 0 6px rgba(46,123,246,.12); }
.tl-item .phase { font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.tl-item h4 { font-size: 20px; font-weight: 700; color: var(--ink); margin: 8px 0 4px; }
.tl-item .when { font-family: var(--mono); font-size: 13px; color: var(--gold); font-weight: 600; }
.tl-item p { margin-top: 12px; font-size: 14px; color: var(--muted); }

/* ---------- 客户分层 ---------- */
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tier-card { border-radius: var(--radius-lg); padding: 34px 30px; border: 1px solid var(--line); background: #fff; transition: transform .3s, box-shadow .3s; }
.tier-card:hover { transform: translateY(-5px); box-shadow: 0 20px 50px rgba(12,30,66,.1); }
.tier-card .tier-tag { display: inline-block; font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .14em; padding: 5px 14px; border-radius: 999px; background: var(--navy); color: #fff; }
.tier-card h4 { font-size: 19px; font-weight: 700; color: var(--ink); margin: 18px 0 8px; }
.tier-card .who { font-size: 13.5px; color: var(--muted); padding-bottom: 16px; border-bottom: 1px dashed var(--line); margin-bottom: 16px; }
.tier-card li { font-size: 14px; color: var(--text); padding: 6px 0 6px 20px; position: relative; }
.tier-card li::before { content: ""; position: absolute; left: 0; top: 14px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* ---------- CTA ---------- */
.cta-box {
  border-radius: 40px; padding: 80px 60px; text-align: center; color: #fff;
  background: radial-gradient(900px 400px at 50% -40%, #16407f 0%, var(--navy-deep) 70%);
  position: relative; overflow: hidden;
}
.cta-box::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px); background-size: 24px 24px; pointer-events: none; }
.cta-box h2 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 700; position: relative; }
.cta-box p { margin: 18px auto 36px; max-width: 560px; color: rgba(255,255,255,.65); position: relative; }
.cta-box .hero-actions { justify-content: center; margin-top: 0; position: relative; }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy-ink); color: rgba(255,255,255,.62); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 52px; }
.footer .brand-name { color: #fff; }
.footer-slogan { margin-top: 16px; font-size: 14px; color: rgba(255,255,255,.5); max-width: 300px; }
.footer h5 { font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.4); font-weight: 600; margin-bottom: 18px; }
.footer-col a { display: block; font-size: 14px; padding: 5px 0; color: rgba(255,255,255,.66); transition: color .25s, transform .25s; }
.footer-col a:hover { color: #7db4ff; transform: translateX(3px); }
.footer-contact p { font-size: 14px; padding: 5px 0; }
.footer-contact .mail { font-family: var(--mono); color: #7db4ff; font-size: 15px; }
.footer-bottom { border-top: 1px solid var(--line-dark); padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: rgba(255,255,255,.38); }
.footer-giant {
  font-weight: 800; letter-spacing: .04em; line-height: 1; text-align: center;
  font-size: clamp(64px, 12.5vw, 190px); color: rgba(255,255,255,.045);
  user-select: none; white-space: nowrap; overflow: hidden; margin-top: 8px;
}

/* ---------- 内页页头 ---------- */
.page-hero {
  background: radial-gradient(1000px 600px at 80% -20%, #123064 0%, var(--navy-deep) 60%, var(--navy-ink) 100%);
  color: #fff; padding: 170px 0 90px; position: relative; overflow: hidden;
}
.page-hero::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px); background-size: 26px 26px; mask-image: linear-gradient(to bottom, black, transparent 90%); }
.page-hero .crumb { font-size: 12.5px; letter-spacing: .16em; color: rgba(255,255,255,.5); text-transform: uppercase; margin-bottom: 18px; position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(32px, 4.2vw, 52px); font-weight: 700; line-height: 1.2; position: relative; z-index: 1; }
.page-hero p { margin-top: 20px; max-width: 680px; color: rgba(255,255,255,.66); font-size: 17px; position: relative; z-index: 1; }

/* ---------- 业务场景块 ---------- */
.scene-block { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px; margin-bottom: 26px; background: #fff; transition: box-shadow .3s, border-color .3s; }
.scene-block:hover { box-shadow: 0 18px 50px rgba(12,30,66,.08); border-color: rgba(46,123,246,.3); }
.scene-head { display: flex; gap: 24px; align-items: baseline; flex-wrap: wrap; margin-bottom: 22px; }
.scene-head .no { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--gold); letter-spacing: .12em; }
.scene-head h3 { font-size: 22px; font-weight: 700; color: var(--ink); }
.scene-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.scene-col .lbl { font-size: 11.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.scene-col p, .scene-col li { font-size: 14px; color: var(--muted); }
.scene-col li { padding: 5px 0 5px 16px; position: relative; }
.scene-col li::before { content: ""; position: absolute; left: 0; top: 13px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }

/* 表格 */
.data-table { width: 100%; border-collapse: collapse; border-radius: var(--radius); overflow: hidden; font-size: 14.5px; }
.data-table th { background: var(--navy); color: #fff; text-align: left; padding: 15px 20px; font-weight: 600; font-size: 13.5px; letter-spacing: .05em; }
.data-table td { padding: 15px 20px; border-bottom: 1px solid var(--line); color: var(--text); }
.data-table tr:nth-child(even) td { background: var(--bg-tint); }
.data-table .mono { font-weight: 700; color: var(--accent); }

/* 团队 */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.team-card { border-radius: var(--radius-lg); border: 1px solid var(--line); overflow: hidden; background: #fff; transition: transform .3s, box-shadow .3s; }
.team-card:hover { transform: translateY(-5px); box-shadow: 0 20px 50px rgba(12,30,66,.1); }
.team-photo { height: 190px; background: linear-gradient(135deg, var(--navy) 0%, #16407f 100%); display: grid; place-items: center; position: relative; overflow: hidden; }
.team-photo::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px); background-size: 20px 20px; }
.team-photo .avatar { width: 86px; height: 86px; border-radius: 50%; background: rgba(255,255,255,.12); border: 1.5px solid rgba(255,255,255,.35); display: grid; place-items: center; font-size: 30px; font-weight: 700; color: #fff; backdrop-filter: blur(4px); position: relative; z-index: 1; }
.team-body { padding: 26px 26px 28px; }
.team-body .name { font-size: 19px; font-weight: 700; color: var(--ink); }
.team-body .role { font-size: 12.5px; color: var(--gold); font-weight: 600; letter-spacing: .08em; margin: 4px 0 12px; }
.team-body p { font-size: 13.5px; color: var(--muted); }

/* 联系表单 */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; }
.contact-info .ci-item { display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.ci-icon { width: 46px; height: 46px; flex: none; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.ci-icon svg { width: 21px; height: 21px; }
.ci-item h4 { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 5px; }
.ci-item p { font-size: 16px; color: var(--ink); font-weight: 600; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 42px; box-shadow: 0 24px 60px rgba(12,30,66,.08); }
.form-card h3 { font-size: 21px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.form-card > p { font-size: 13.5px; color: var(--muted); margin-bottom: 26px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f-group { margin-bottom: 16px; }
.f-group label { display: block; font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 7px; }
.f-group input, .f-group textarea, .f-group select {
  width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 12px 15px;
  font-size: 14.5px; font-family: var(--font); color: var(--text); background: var(--bg-tint);
  transition: border-color .25s, box-shadow .25s, background .25s; outline: none;
}
.f-group input:focus, .f-group textarea:focus, .f-group select:focus {
  border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(46,123,246,.14);
}
.f-group textarea { min-height: 120px; resize: vertical; }
.form-ok { display: none; text-align: center; padding: 50px 20px; }
.form-ok .ok-circle { width: 72px; height: 72px; margin: 0 auto 22px; border-radius: 50%; background: var(--accent-soft); display: grid; place-items: center; color: var(--accent); }
.form-ok h4 { font-size: 19px; color: var(--ink); margin-bottom: 8px; }
.form-ok p { font-size: 14px; color: var(--muted); }

/* 新闻卡片 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; transition: transform .3s, box-shadow .3s; }
.news-card:hover { transform: translateY(-5px); box-shadow: 0 20px 50px rgba(12,30,66,.1); }
.news-cover { height: 170px; position: relative; background: linear-gradient(135deg, var(--navy), #16407f); overflow: hidden; }
.news-cover::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px); background-size: 22px 22px; }
.news-cover .nc-tag { position: absolute; top: 18px; left: 18px; z-index: 1; font-size: 11px; font-weight: 600; letter-spacing: .14em; padding: 5px 13px; border-radius: 999px; background: rgba(255,255,255,.14); color: #fff; backdrop-filter: blur(6px); }
.news-cover .nc-big { position: absolute; bottom: 14px; right: 18px; font-family: var(--mono); font-size: 40px; font-weight: 700; color: rgba(255,255,255,.14); z-index: 1; }
.news-body { padding: 26px; }
.news-body .date { font-family: var(--mono); font-size: 12.5px; color: var(--gold); font-weight: 600; }
.news-body h4 { font-size: 17.5px; font-weight: 700; color: var(--ink); margin: 10px 0; line-height: 1.5; }
.news-body p { font-size: 13.5px; color: var(--muted); }

/* 价值观卡 */
.val-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.val-card { border-radius: var(--radius-lg); padding: 36px; border: 1px solid var(--line-dark); background: rgba(255,255,255,.03); transition: border-color .3s, background .3s; }
.val-card:hover { border-color: rgba(125,180,255,.4); background: rgba(46,123,246,.07); }
.val-card .lbl { font-size: 11.5px; letter-spacing: .24em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
.val-card h4 { font-size: 21px; font-weight: 700; color: #fff; margin: 12px 0 10px; }
.val-card p { font-size: 14px; color: rgba(255,255,255,.6); }

/* 协同图 */
.synergy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.syn-card { padding: 32px 28px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line); transition: transform .3s, box-shadow .3s; }
.syn-card:hover { transform: translateY(-4px); box-shadow: 0 16px 44px rgba(12,30,66,.1); }
.syn-card .arrow { font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--gold); letter-spacing: .1em; }
.syn-card h4 { font-size: 17px; font-weight: 700; color: var(--ink); margin: 12px 0 8px; }
.syn-card p { font-size: 13.5px; color: var(--muted); }

/* 页眉横幅图(内页) */
.back-top { position: fixed; right: 28px; bottom: 28px; z-index: 90; width: 46px; height: 46px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; cursor: pointer; border: 0; opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; box-shadow: 0 10px 26px rgba(12,30,66,.3); }
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-3px); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-card { max-width: 520px; }
  .div-grid, .tier-grid, .tl-grid, .team-grid, .news-grid, .cat-grid, .sla-band { grid-template-columns: repeat(2, 1fr); }
  .adv-wrap, .contact-wrap, .val-grid { grid-template-columns: 1fr; gap: 40px; }
  .scene-cols { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .section { padding: 72px 0; }
  .nav-links {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch;
    background: rgba(255,255,255,.97); backdrop-filter: blur(16px); padding: 18px 24px 26px;
    gap: 4px; border-bottom: 1px solid var(--line); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { color: var(--text) !important; padding: 12px 4px; font-size: 16px; }
  .nav-toggle { display: block; }
  .div-grid, .tier-grid, .tl-grid, .team-grid, .news-grid, .cat-grid, .sla-band, .scene-cols, .f-row, .synergy { grid-template-columns: 1fr; }
  .timeline::before { display: none; }
  .tl-item { padding-top: 0; padding-left: 34px; }
  .tl-item::before { top: 4px; left: 0; }
  .cta-box { padding: 56px 26px; border-radius: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-stats { gap: 26px; }
  .scene-block { padding: 26px; }
  .form-card { padding: 28px 22px; }
}