:root {
  color-scheme: dark;
  --bg: #0d1f3a;
  --bg-2: #12325d;
  --surface: rgba(24, 52, 91, .68);
  --surface-strong: rgba(31, 68, 116, .86);
  --surface-soft: rgba(255, 255, 255, .082);
  --line: rgba(190, 218, 255, .22);
  --line-strong: rgba(139, 204, 255, .42);
  --text: #f6fbff;
  --muted: #c1d2eb;
  --muted-2: #91a9ca;
  --blue: #3488ff;
  --cyan: #39d8ff;
  --green: #45d483;
  --warning: #f7c65a;
  --shadow: 0 22px 58px rgba(5, 22, 48, .24);
  --radius: 18px;
  --radius-lg: 26px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    user-select: none; /* 禁止用户选中文本 */
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 76% 2%, rgba(64, 154, 255, .34), transparent 34rem),
    radial-gradient(circle at 12% 10%, rgba(57, 216, 255, .18), transparent 28rem),
    radial-gradient(circle at 50% 46%, rgba(92, 144, 255, .12), transparent 40rem),
    linear-gradient(180deg, #102747 0%, var(--bg) 38%, #0b1b33 100%);
  line-height: 1.72;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(210, 231, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(210, 231, 255, .06) 1px, transparent 1px);
  background-size: 86px 86px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.58), rgba(0,0,0,.13));
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 48px 0; }
.section-tight { padding: 54px 0; }

.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 29, 55, .80);
  color: var(--muted);
  font-size: 13px;
}
.topbar-inner {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar strong { color: #fff; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 32, 59, .78);
  backdrop-filter: blur(20px);
}
.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}
.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 12px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 12px 28px rgba(47, 124, 255, .25);
}
.brand-wide {
  width: min(360px, 100%);
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255,255,255,.96);
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  font-weight: 900;
  letter-spacing: 0;
  background: linear-gradient(135deg, var(--blue), #0ea5e9);
  box-shadow: 0 12px 28px rgba(47, 124, 255, .25);
}
.brand-text strong { display: block; font-size: 17px; letter-spacing: 0; }
.brand-text span { display: block; margin-top: -3px; color: var(--muted-2); font-size: 12px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 100%;
  padding: 0;
  color: #d3e1f6;
  font-size: 14px;
}
.nav-links a:not(.btn) {
  position: relative;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 10px;
  color: #5d6f8d;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 0;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: translateX(-50%);
  transition: width .2s ease;
}
/* 鼠标悬停时保持原样，不做任何变色处理 */
.nav-links a:not(.btn):hover,
.nav-links a:not(.btn):focus-visible,
.nav-links a:not(.btn)[aria-current="page"] {
  /* 保持原有的文字颜色 */
  color: #5d6f8d; 
  
  /* 确保背景透明 */
  background: transparent; 
  
  /* 清除阴影 */
  box-shadow: none;
}

/* 隐藏底部下划线动画 */
.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn):focus-visible::after,
.nav-links a:not(.btn)[aria-current="page"]::after {
  width: 0; /* 鼠标放上去时，下划线不展开 */
}
.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn):focus-visible::after,
.nav-links a:not(.btn)[aria-current="page"]::after {
  width: calc(100% - 26px);
}
.nav-links a:not(.btn):active {
  color: #0b2d6b;
  transform: translateY(1px);
}
.nav-links a:not(.btn):visited {
  color: #5d6f8d;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #12b6d9);
  box-shadow: 0 16px 34px rgba(47, 124, 255, .28);
}
.btn-secondary {
  color: #eef7ff;
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, .09);
}
.btn-small { min-height: 42px; padding: 0 18px; font-size: 15px; }

.hero {
  padding: 82px 0 50px;
  min-height: calc(100vh - 114px);
  display: flex;
  align-items: center;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
  gap: 54px;
  align-items: center;
}
.status-line {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #d6eaff;
  font-size: 14px;
  font-weight: 800;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 7px rgba(69, 212, 131, .12);
}
.hero h1 {
  margin: 18px 0 20px;
  max-width: 760px;
  font-size: clamp(42px, 5.7vw, 72px);
  line-height: 1.06;
  letter-spacing: 0;
  text-wrap: balance;
}
.text-gradient {
  color: transparent;
  background: linear-gradient(92deg, #ffffff, #a8dcff 42%, #49e6ff);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-desc {
  max-width: 670px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: #d0e4ff;
  background: rgba(255, 255, 255, .075);
  font-size: 13px;
  font-weight: 700;
}

.ops-panel {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 22px;
  background:
    radial-gradient(circle at 90% 0%, rgba(48, 213, 255, .16), transparent 16rem),
    linear-gradient(145deg, rgba(32, 69, 120, .92), rgba(17, 41, 77, .90));
  box-shadow: var(--shadow);
}
.hero-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.09);
  box-shadow: var(--shadow);
}
.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.hero-media-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 16px;
  background: rgba(12, 32, 62, .70);
  backdrop-filter: blur(16px);
}
.hero-media-caption strong { display: block; }
.hero-media-caption span { color: var(--muted); font-size: 13px; }
.ops-top,
.ops-row,
.pricing-strip,
.article-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.ops-top { margin-bottom: 18px; }
.ops-title strong { display: block; font-size: 18px; }
.ops-title span { color: var(--muted-2); font-size: 13px; }
.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #9ff2bd;
  font-size: 12px;
  font-weight: 900;
}
.ops-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.ops-card {
  min-height: 116px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .09);
}
.ops-card span { color: var(--muted-2); font-size: 12px; font-weight: 800; }
.ops-card strong { display: block; margin: 8px 0 6px; font-size: 26px; line-height: 1; }
.ops-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.ops-wide {
  margin-top: 12px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(58, 141, 255, .12);
}
.ops-row + .ops-row { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.ops-row strong { font-size: 14px; }
.ops-row span { color: var(--muted); font-size: 13px; }
.mini-qr {
  width: 86px;
  height: 86px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background:
    linear-gradient(90deg, #fff 8px, transparent 8px) 0 0 / 18px 18px,
    linear-gradient(#fff 8px, transparent 8px) 0 0 / 18px 18px,
    #dbeafe;
  color: #0b1633;
  font-size: 11px;
  font-weight: 900;
  text-align: center;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}
.metric {
  padding: 22px;
  background: rgba(24, 52, 91, .72);
}
.metric strong { display: block; font-size: 28px; line-height: 1; }
.metric span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }

.section-head {
  max-width: 790px;
  margin-bottom: 20px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-label {
  color: #73c8ff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.section-head h2,
.split-copy h2,
.article-hero h1 {
  margin: 9px 0 12px;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}
.section-head p,
.split-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(37, 78, 132, .66), rgba(22, 49, 88, .62));
  box-shadow: 0 14px 34px rgba(5, 22, 48, .14);
}
.card:hover { border-color: var(--line-strong); }
.icon-box {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 13px;
  color: #dff7ff;
  background: rgba(62, 144, 255, .22);
  border: 1px solid rgba(72, 220, 255, .24);
  font-size: 12px;
  font-weight: 900;
}
.card h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.35; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

.service-account {
  display: grid;
  grid-template-columns: 1fr 126px;
  gap: 20px;
  align-items: center;
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .09);
}
.service-account h3 { margin: 0 0 8px; font-size: 19px; }
.service-account p { margin: 0; color: var(--muted); font-size: 14px; }
.qr-image {
  display: grid;
  place-items: center;
  width: 112px;
  height: 112px;
  border-radius: 16px;
  color: #0b1633;
  background: #dbeafe;
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}
.qr-image img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }

.home-compact {
  padding-top: 54px;
}
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.compact-card {
  min-height: 190px;
}
.compact-card .icon-box {
  margin-bottom: 16px;
}
.compact-card h3 {
  font-size: 19px;
}
.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 84% 20%, rgba(48, 213, 255, .20), transparent 18rem),
    rgba(255,255,255,.095);
  box-shadow: var(--shadow);
}
.cta-band h2 { margin: 0 0 8px; font-size: clamp(26px, 3vw, 38px); line-height: 1.2; }
.cta-band p { margin: 0; color: var(--muted); }
.service-flow-band {
  padding: 34px;
}
.process-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.process-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: #e4f3ff;
  background: rgba(255, 255, 255, .08);
  font-size: 13px;
  font-weight: 800;
}
.final-contact-section {
  padding-top: 40px;
}
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.service-detail-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
}
.logo-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.095);
}

.split {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 38px;
  align-items: start;
}
.feature-list {
  display: grid;
  gap: 13px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.feature-list li {
  display: flex;
  gap: 12px;
  color: #d2def2;
}
.check {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #052014;
  background: var(--green);
  font-weight: 900;
  line-height: 1;
}

.area-panel,
.capability-band,
.contact-shell,
.article-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 86% 14%, rgba(47, 124, 255, .20), transparent 18rem),
    rgba(255, 255, 255, .09);
  box-shadow: var(--shadow);
}
.area-panel { padding: 30px; }
.area-panel .section-head {
  max-width: 1120px;
}
.area-panel .section-head h2 {
  font-size: clamp(30px, 3vw, 42px);
  text-wrap: balance;
}
.area-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.area-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 15px;
  border-radius: 999px;
  color: #0f4fb8;
  border: 1px solid rgba(37, 99, 235, .26);
  background: rgba(239, 249, 255, .92);
  font-weight: 800;
}

.capability-band { padding: 34px; }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 24px;
}
.tech-item {
  min-height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: #dceaff;
  background: rgba(255, 255, 255, .09);
  font-weight: 800;
}

.case-card { padding: 0; overflow: hidden; }
.case-top {
  padding: 24px;
  background: linear-gradient(135deg, rgba(58, 141, 255, .24), rgba(48, 213, 255, .10));
}
.case-tag,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: #bfeaff;
  background: rgba(48, 213, 255, .15);
  border: 1px solid rgba(48, 213, 255, .24);
  font-size: 12px;
  font-weight: 900;
}
.case-body { padding: 22px 24px; }
.case-row {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
}
.case-row:last-child { border-bottom: 0; }
.case-row strong { color: #fff; }
.case-row span { color: var(--muted); font-size: 14px; }

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.insight-card {
  min-height: 232px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .09);
}
.insight-card h3 { margin: 14px 0 10px; font-size: 20px; line-height: 1.36; }
.insight-card p { margin: 0; color: var(--muted); font-size: 14px; }
.insight-link { margin-top: auto; padding-top: 18px; color: #8bdcff; font-weight: 900; font-size: 14px; }
.insights-note {
  display: grid;
  grid-template-columns: 1fr 100px;
  gap: 18px;
  align-items: center;
  margin-top: 20px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(58, 141, 255, .12);
}
.insights-note p { margin: 4px 0 0; color: var(--muted); }

.step-num {
  margin-bottom: 18px;
  color: rgba(48, 213, 255, .42);
  font-size: 40px;
  line-height: 1;
  font-weight: 900;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.price-card.featured {
  border-color: rgba(48, 213, 255, .38);
  background: linear-gradient(180deg, rgba(58, 141, 255, .24), rgba(255,255,255,.09));
}
.price {
  margin: 22px 0 18px;
  color: #fff;
  font-size: 34px;
  line-height: 1;
  font-weight: 900;
}
.price small { color: var(--muted-2); font-size: 14px; }
.price-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
}
.price-list li::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--green);
}

.contact-shell { padding: 34px; }
.contact-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 28px;
}
.contact-head h2 { margin: 0 0 8px; font-size: clamp(30px, 4vw, 50px); line-height: 1.1; }
.contact-head p { margin: 0; color: var(--muted); }
.final-contact-section .contact-head h2 {
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.12;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr .8fr;
  gap: 18px;
}
.quick-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}
.quick-item {
  padding: 20px;
  background: rgba(24, 52, 91, .70);
}
.quick-item strong { display: block; }
.quick-item span { display: block; margin-top: 6px; color: #fff; font-weight: 900; }
.quick-item em { display: block; margin-top: 3px; color: var(--muted-2); font-style: normal; font-size: 13px; }
.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.09);
  text-align: center;
}
.contact-benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}
.benefit-item {
  padding: 18px;
  background: rgba(24, 52, 91, .70);
}
.benefit-item strong { display: block; }
.benefit-item em { display: block; color: var(--muted-2); font-style: normal; font-size: 13px; }

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: rgba(11, 29, 55, .80);
  font-size: 13px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.page-hero {
  padding: 74px 0 44px;
  border-bottom: 1px solid var(--line);
}
.article-hero {
  max-width: 980px;
}
.contact-hero {
  max-width: 1220px;
}
.contact-hero h1 {
  font-size: clamp(34px, 3.4vw, 58px);
  line-height: 1.1;
  max-width: none;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  color: var(--muted-2);
  font-size: 14px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  align-items: start;
}
.article-shell { padding: 34px; }
.article-content {
  color: #e4effc;
  font-size: 16px;
}
.article-content h2 { margin: 36px 0 12px; font-size: 28px; }
.article-content h3 { margin: 26px 0 10px; font-size: 22px; }
.article-content p { color: #cbdcf2; }
.article-content ul { padding-left: 20px; color: #cbdcf2; }
.article-content li + li { margin-top: 8px; }
.article-note,
.article-repair-card {
  margin: 0 0 24px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
}
.article-note strong,
.article-repair-card strong {
  display: block;
  margin-bottom: 8px;
}
.article-note p,
.article-repair-card ul {
  margin: 0;
}
.article-service-grid,
.article-price-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 26px;
}
.article-price-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.article-service-grid div,
.article-price-grid div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
}
.article-service-grid strong,
.article-price-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}
.article-service-grid span,
.article-price-grid p,
.article-price-grid em {
  display: block;
  color: var(--muted);
  font-size: 14px;
}
.article-price-grid em {
  margin-top: 10px;
  font-style: normal;
  font-weight: 800;
  color: #1d4ed8;
}
.toc {
  position: sticky;
  top: 102px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.09);
}
.toc strong { display: block; margin-bottom: 12px; }
.toc a { display: block; padding: 8px 0; color: var(--muted); font-size: 14px; }
.toc a:hover { color: #fff; }
.article-list {
  display: grid;
  gap: 14px;
}
.article-row {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.09);
}
.article-row h2 { margin: 8px 0 8px; font-size: 24px; }
.article-row p { margin: 0; color: var(--muted); }
.category-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

@media (max-width: 980px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .nav-links { flex-wrap: wrap; gap: 12px 16px; }
  .hero { padding-top: 48px; }
  .hero-grid,
  .split,
  .contact-grid,
  .cta-band,
  .article-layout { grid-template-columns: 1fr; }
  .metrics,
  .grid-4,
  .contact-benefits { grid-template-columns: repeat(2, 1fr); }
  .grid-3,
  .summary-grid,
  .service-detail-grid,
  .pricing-grid,
  .insights-grid,
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .toc { position: static; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--max)); }
  .topbar-inner,
  .footer-inner,
  .contact-head,
  .ops-row,
  .article-row { align-items: flex-start; flex-direction: column; }
  .topbar {
    font-size: 12px;
  }
  .topbar-inner {
    min-height: auto;
    padding: 8px 0;
    gap: 4px;
  }
  .nav {
    gap: 16px;
  }
  .nav-links {
    width: 100%;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    gap: 14px 20px;
  }
  .nav-links a:not(.btn) {
    min-height: 38px;
    padding: 0 2px;
    font-size: 14px;
  }
  .nav-links a:not(.btn)::after {
    bottom: 2px;
  }
  .nav-links a:not(.btn):hover::after,
  .nav-links a:not(.btn):focus-visible::after,
  .nav-links a:not(.btn)[aria-current="page"]::after {
    width: 100%;
  }
  .nav-links .btn {
    min-height: 40px;
    padding: 0 18px;
  }
  .brand-text strong { font-size: 15px; }
  .brand-text span { font-size: 11px; }
  .brand-logo { width: 38px; height: 38px; }
  .hero h1 {
    font-size: 33px;
    line-height: 1.14;
    max-width: 350px;
  }
  .hero-desc { font-size: 15px; }
  .hero-grid { gap: 30px; }
  .ops-grid,
  .metrics,
  .grid-2,
  .grid-3,
  .grid-4,
  .article-service-grid,
  .article-price-grid,
  .service-detail-grid,
  .pricing-grid,
  .insights-grid,
  .tech-grid,
  .quick-grid,
  .contact-benefits,
  .service-account,
  .insights-note { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .card,
  .contact-shell,
  .article-shell,
  .area-panel,
  .capability-band { padding: 22px; }
  .area-panel h2 {
    font-size: 30px;
    line-height: 1.18;
    overflow-wrap: anywhere;
  }
}

/* Light corporate theme aligned with the live anzhitech.cn style. */
:root {
  color-scheme: light;
  --bg: #f5f8ff;
  --bg-2: #eef4ff;
  --surface: rgba(255, 255, 255, .86);
  --surface-strong: #ffffff;
  --surface-soft: rgba(255, 255, 255, .72);
  --line: rgba(219, 228, 243, .96);
  --line-strong: rgba(37, 99, 235, .22);
  --text: #17213a;
  --muted: #61718d;
  --muted-2: #7c8ba4;
  --blue: #2563eb;
  --cyan: #06b6d4;
  --green: #16a34a;
  --shadow: 0 18px 48px rgba(17, 35, 82, .10);
}

body {
  color: var(--text);
  background:
    radial-gradient(circle at 8% 10%, rgba(37, 99, 235, .14), transparent 30rem),
    radial-gradient(circle at 92% 6%, rgba(6, 182, 212, .11), transparent 28rem),
    linear-gradient(180deg, #f9fbff 0%, #eef4ff 48%, #f8fbff 100%);
}

body::before {
  background-image:
    linear-gradient(rgba(37, 99, 235, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, .045) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.32), rgba(0,0,0,.06));
}

.topbar,
.site-footer {
  background: linear-gradient(180deg, rgba(248, 251, 255, .98), rgba(238, 245, 255, .94));
  color: #4c5f7d;
  border-color: rgba(219, 228, 243, .96);
}

.topbar strong,
.site-footer strong {
  color: #0b2d6b;
}

.site-header {
  background: rgba(255, 255, 255, .86);
  border-bottom-color: rgba(219, 228, 243, .92);
  box-shadow: 0 8px 24px rgba(17, 35, 82, .05);
}

.brand-logo {
  background: #fff;
  box-shadow: 0 8px 22px rgba(17, 35, 82, .10);
}

.brand-text span,
.nav-links,
.hero-desc,
.section-head p,
.split-copy p,
.cta-band p,
.contact-head p,
.card p,
.metric span,
.article-row p,
.article-content p,
.article-content ul,
.toc a {
  color: var(--muted);
}

.brand-text strong,
.nav-links a:hover,
.card h3,
.metric strong,
.section-head h2,
.split-copy h2,
.article-hero h1,
.contact-head h2,
.cta-band h2,
.quick-item span,
.benefit-item strong,
.price,
.article-content,
.article-content h2,
.article-content h3,
.toc strong,
.article-row h2 {
  color: var(--text);
}

.hero {
  min-height: auto;
  padding: 74px 0 46px;
}

.status-line {
  color: #1d4ed8;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, .12);
  background: rgba(37, 99, 235, .08);
}

.status-dot {
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .14);
}

.hero h1 {
  color: #0b1633;
  letter-spacing: 0;
}

.text-gradient {
  background: linear-gradient(90deg, var(--blue), var(--cyan), #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 34px rgba(37, 99, 235, .22);
}

.btn-secondary {
  color: #0b1633;
  border-color: var(--line);
  background: rgba(255, 255, 255, .86);
}

.tag,
.process-pills span {
  color: #405170;
  border-color: rgba(219, 228, 243, .96);
  background: rgba(255, 255, 255, .78);
}

.hero-service-panel {
  overflow: hidden;
  border: 1px solid rgba(219, 228, 243, .96);
  border-radius: 30px;
  padding: 26px;
  background:
    radial-gradient(circle at 90% 6%, rgba(37, 99, 235, .13), transparent 15rem),
    linear-gradient(145deg, rgba(255,255,255,.96), rgba(245,249,255,.82));
  box-shadow: 0 28px 70px rgba(17, 35, 82, .15);
}

.hero-image-card {
  overflow: hidden;
  border: 1px solid rgba(219, 228, 243, .96);
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(17, 35, 82, .15);
  aspect-ratio: 4 / 3;
}

.hero-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-panel-logo {
  width: min(420px, 100%);
  margin-bottom: 24px;
  padding: 12px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(219, 228, 243, .92);
}

.hero-panel-body {
  display: grid;
  grid-template-columns: 1fr 112px;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border-radius: 22px;
  background: rgba(37, 99, 235, .08);
  border: 1px solid rgba(37, 99, 235, .13);
}

.hero-panel-body strong {
  display: block;
  color: #0b1633;
  font-size: 22px;
}

.hero-panel-body span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.hero-panel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.hero-panel-grid div,
.metric,
.card,
.cta-band,
.area-panel,
.capability-band,
.contact-shell,
.article-shell,
.article-row,
.toc,
.logo-card,
.qr-card {
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(219, 228, 243, .96);
  box-shadow: 0 8px 24px rgba(17, 35, 82, .08);
}

.hero-panel-grid div {
  padding: 16px;
  border-radius: 18px;
}

.hero-panel-grid strong {
  display: block;
  color: #0b1633;
}

.hero-panel-grid span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.metrics {
  gap: 18px;
  background: transparent;
  border: 0;
}

.card {
  background: rgba(255, 255, 255, .86);
}

.card:hover {
  border-color: rgba(37, 99, 235, .18);
  box-shadow: var(--shadow);
}

.icon-box,
.badge,
.case-tag {
  color: #1d4ed8;
  background: rgba(37, 99, 235, .10);
  border-color: rgba(37, 99, 235, .16);
}

.section-label,
.insight-link {
  color: #2563eb;
}

.cta-band,
.contact-shell,
.area-panel,
.capability-band {
  background:
    radial-gradient(circle at 88% 18%, rgba(37, 99, 235, .12), transparent 18rem),
    rgba(255, 255, 255, .86);
}

.quick-grid,
.contact-benefits {
  background: rgba(219, 228, 243, .96);
}

.quick-item,
.benefit-item,
.tech-item,
.insight-card {
  background: rgba(255, 255, 255, .86);
}

.case-top,
.price-card.featured {
  background: linear-gradient(135deg, rgba(37, 99, 235, .10), rgba(6, 182, 212, .07));
}

.case-row strong {
  color: var(--text);
}

.case-row span,
.price-list,
.benefit-item em,
.quick-item em,
.article-meta {
  color: var(--muted);
}

.page-hero {
  background:
    radial-gradient(circle at 18% 18%, rgba(37, 99, 235, .10), transparent 26rem),
    linear-gradient(180deg, rgba(255,255,255,.52), rgba(255,255,255,0));
}

@media (max-width: 640px) {
  .hero-panel-body,
  .hero-panel-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Footer 三列专业版 + ICP / 公安备案：浅色统一版 ===== */
.site-footer {
  padding: 0;
  margin-top: 0;
  background:
    radial-gradient(circle at 92% 10%, rgba(37, 99, 235, .10), transparent 22rem),
    linear-gradient(180deg, rgba(248, 251, 255, .98), rgba(238, 245, 255, .96));
  color: var(--muted);
  border-top: 1px solid rgba(219, 228, 243, .96);
  box-shadow: 0 -8px 28px rgba(17, 35, 82, .04);
  font-size: 14px;
}

.footer-pro {
  display: grid;
  grid-template-columns: 1fr .82fr 1.48fr;
  gap: 36px;
  align-items: start;
  padding-top: 32px;
  padding-bottom: 32px;
}

.footer-company,
.footer-service,
.footer-record {
  min-width: 0;
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
  border-radius: 14px;
  background: #fff;
  padding: 6px;
  box-shadow: 0 8px 22px rgba(17, 35, 82, .10);
  flex: 0 0 auto;
}

.footer-brand-row strong,
.footer-service strong,
.footer-record strong {
  display: block;
  color: #0b2d6b;
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 4px;
}

.footer-brand-row span,
.footer-company p,
.footer-service p,
.footer-record p {
  display: block;
  margin: 6px 0 0;
  color: #61718d;
  font-size: 14px;
  line-height: 1.7;
}

.footer-service,
.footer-record {
  padding-left: 30px;
  border-left: 1px solid rgba(219, 228, 243, .96);
}

.footer-address {
  margin-top: 8px !important;
}

.record-links {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 18px;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  white-space: nowrap;
}

.record-links a {
  color: #2563eb;
  text-decoration: none;
  transition: color .2s ease;
}

.record-links a:hover {
  color: #0b2d6b;
}

.police-record {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.police-record img {
  width: 16px;
  height: 16px;
  display: block;
  flex: 0 0 auto;
}

.police-record span {
  white-space: nowrap;
}

.copyright {
  margin-top: 8px !important;
  color: #7c8ba4 !important;
}

@media (max-width: 1100px) {
  .footer-pro {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .footer-service,
  .footer-record {
    padding-left: 0;
    border-left: 0;
    padding-top: 18px;
    border-top: 1px solid rgba(219, 228, 243, .96);
  }

  .record-links {
    flex-wrap: wrap;
    white-space: normal;
  }
}

@media (max-width: 640px) {
  .footer-pro {
    padding-top: 26px;
    padding-bottom: 26px;
  }

  .footer-brand-row {
    align-items: flex-start;
  }

  .footer-logo {
    width: 48px;
    height: 48px;
  }

  .record-links {
    gap: 8px 14px;
  }
}

        /* === 全局重置 === */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: #333;
            background-color: #f5f7fa;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: color 0.2s; }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* === 顶部信息栏 === */
        .top-bar {
            background: #fff;
            border-bottom: 1px solid #e8ecf0;
            font-size: 13px;
            color: #666;
            padding: 8px 0;
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar-left { color: #555; }
        .top-bar-right a { color: #1a73e8; font-weight: 500; }

        /* === 导航栏 === */
        header {
            background: #fff;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .container {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, #1a73e8, #0d47a1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
            font-size: 16px;
            flex-shrink: 0;
        }
        .logo-text h1 {
            font-size: 17px;
            font-weight: 700;
            color: #1a1a2e;
            line-height: 1.2;
        }
        .logo-text p {
            font-size: 11px;
            color: #888;
            margin-top: 2px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu li a {
            font-size: 15px;
            font-weight: 500;
            color: #444;
            padding: 8px 16px;
            border-radius: 6px;
            transition: all 0.2s;
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            color: #1a73e8;
            background: #e8f0fe;
        }
        .nav-lang {
            font-size: 13px !important;
            color: #999 !important;
            margin-left: 4px;
        }
        .btn-report {
            background: #1a73e8;
            color: #fff !important;
            padding: 9px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: background 0.2s;
            border: none;
            cursor: pointer;
            display: inline-block;
        }
        .btn-report:hover { background: #0d5bbf; }

        /* === 首屏 Hero === */
        .hero {
            padding: 80px 0 60px;
            background: linear-gradient(180deg, #eef4fb 0%, #f5f7fa 100%);
            overflow: hidden;
        }
        .hero .container {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .hero-text { flex: 1; max-width: 580px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #e8f0fe;
            color: #1a73e8;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid #c5d9f8;
        }
        .hero-badge::before {
            content: "";
            width: 8px;
            height: 8px;
            background: #34a853;
            border-radius: 50%;
            display: inline-block;
        }
        .hero h2 {
            font-size: 42px;
            line-height: 1.2;
            color: #1a1a2e;
            margin-bottom: 16px;
            font-weight: 800;
        }
        .hero h2 span { color: #1a73e8; }
        .hero-desc {
            font-size: 16px;
            color: #555;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: #1a73e8;
            color: #fff;
            padding: 13px 32px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-block;
        }
        .btn-primary:hover { background: #0d5bbf; transform: translateY(-1px); }
        .btn-outline {
            background: #fff;
            color: #333;
            border: 1.5px solid #d0d5dd;
            padding: 13px 32px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-block;
        }
        .btn-outline:hover { border-color: #1a73e8; color: #1a73e8; }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-tag {
            background: #fff;
            border: 1px solid #e0e4ea;
            padding: 6px 16px;
            border-radius: 6px;
            font-size: 13px;
            color: #555;
            box-shadow: 0 1px 3px rgba(0,0,0,0.04);
        }
        .hero-image {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-illustration {
            width: 100%;
            max-width: 520px;
            aspect-ratio: 4/3;
            background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
            border-radius: 20px;
            box-shadow: 0 24px 48px rgba(26,115,232,0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            position: relative;
            overflow: hidden;
        }
        .hero-illustration::after {
            content: "";
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255,255,255,0.06);
            border-radius: 50%;
            top: -40px;
            right: -40px;
        }
        .illustration-content {
            text-align: center;
            z-index: 1;
            padding: 40px;
        }
        .illustration-content .icon-big {
            font-size: 64px;
            margin-bottom: 16px;
            display: block;
        }
        .illustration-content p { font-size: 15px; opacity: 0.9; }

        /* === 数据统计栏 === */
        .stats {
            margin-top: -48px;
            position: relative;
            z-index: 10;
            padding-bottom: 60px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            padding: 32px 28px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            text-align: left;
            transition: transform 0.2s;
            border: 1px solid #eef0f3;
        }
        .stat-card:hover { transform: translateY(-4px); }
        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: #1a73e8;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            color: #777;
        }

        /* === 通用区块标题 === */
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h3 {
            font-size: 28px;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 10px;
        }
        .section-title p {
            font-size: 15px;
            color: #777;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* === 核心服务 === */
        .services {
            padding: 80px 0;
            background: #fff;
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .service-card {
            background: #f9fafb;
            border: 1px solid #eef0f3;
            border-radius: 12px;
            padding: 36px 28px;
            transition: all 0.25s;
            text-align: center;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(0,0,0,0.08);
            border-color: #b8d4f8;
        }
        .service-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, #e8f0fe, #d4e4fc);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: #1a73e8;
        }
        .service-card h4 {
            font-size: 17px;
            color: #1a1a2e;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .service-card p {
            font-size: 13px;
            color: #777;
            line-height: 1.7;
        }

        /* === 服务流程 === */
        .process {
            padding: 80px 0;
            background: #f5f7fa;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }
        .process-steps::before {
            content: "";
            position: absolute;
            top: 36px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: linear-gradient(90deg, #1a73e8, #66b1ff);
            z-index: 0;
        }
        .step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .step-num {
            width: 72px;
            height: 72px;
            background: #1a73e8;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            margin: 0 auto 18px;
            box-shadow: 0 6px 20px rgba(26,115,232,0.25);
            border: 4px solid #f5f7fa;
        }
        .step h4 {
            font-size: 16px;
            color: #1a1a2e;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .step p {
            font-size: 13px;
            color: #777;
            line-height: 1.6;
        }

        /* === 联系我们 === */
        .contact {
            padding: 80px 0;
            background: #fff;
        }
        .contact .container {
            display: flex;
            gap: 60px;
            align-items: center;
        }
        .contact-info { flex: 1; }
        .contact-info h3 {
            font-size: 28px;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 16px;
        }
        .contact-info > p {
            font-size: 15px;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .contact-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 30px;
        }
        .contact-feature {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #444;
        }
        .contact-feature .feat-icon {
            width: 36px;
            height: 36px;
            background: #e8f0fe;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1a73e8;
            font-size: 16px;
            flex-shrink: 0;
        }
        .contact-feature strong { color: #1a1a2e; }
        .contact-qr {
            flex: 0 0 280px;
            text-align: center;
        }
        .qr-placeholder {
            width: 200px;
            height: 200px;
            background: #f5f7fa;
            border: 2px dashed #d0d5dd;
            border-radius: 12px;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-size: 14px;
        }
        .contact-qr p { font-size: 13px; color: #888; }

        /* === 页脚 === */
        footer {
            background: #1a1a2e;
            color: #aaa;
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-about .logo {
            margin-bottom: 16px;
        }
        .footer-about .logo-icon {
            background: linear-gradient(135deg, #4a90e2, #2a6cb8);
        }
        .footer-about .logo-text h1 { color: #fff; }
        .footer-about .logo-text p { color: #888; }
        .footer-about > p {
            font-size: 14px;
            color: #999;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-col h4 {
            font-size: 15px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: #999;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover { color: #66b1ff; }
        .footer-bottom {
            border-top: 1px solid #2a2a4a;
            padding-top: 24px;
            font-size: 13px;
            color: #777;
            text-align: center;
            line-height: 2;
        }
        .footer-bottom a { color: #999; }
        .footer-bottom a:hover { color: #66b1ff; }

        /* === 响应式 === */
        @media (max-width: 992px) {
            .hero .container { flex-direction: column; text-align: center; }
            .hero-text { max-width: 100%; }
            .hero-buttons { justify-content: center; }
            .hero-tags { justify-content: center; }
            .hero-image { order: -1; }
            .hero-illustration { max-width: 400px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
            .process-steps::before { display: none; }
            .contact .container { flex-direction: column; }
            .contact-qr { flex: none; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .top-bar { display: none; }
            header .container { height: 64px; }
            .nav-menu { display: none; }
            .hero h2 { font-size: 30px; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .services-grid { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: 1fr 1fr; }
            .contact-features { grid-template-columns: 1fr; }
        }