/* ============================================================
   Liquid Glass 覆盖层（照苹果 iOS 26/27 的液态玻璃效果）
   原理：不动原 styles.css，只在其后覆盖视觉层，随时可撤：
   删除 index.html 里 liquid-glass.css 的 <link> 一行即恢复原站。
   --tint 由右下角滑块控制：0=Ultra Clear 更透明，1=Fully Tinted 更磨砂
   ============================================================ */
:root {
  --tint: 0.42;
  --lg-alpha: calc(0.30 + var(--tint) * 0.52);
  --lg-alpha-strong: calc(0.48 + var(--tint) * 0.44);
  --lg-blur: calc(14px + var(--tint) * 12px);
  --lg-border: rgba(255, 255, 255, 0.65);
  --lg-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.80),
    inset 1px 0 0 rgba(255, 255, 255, 0.35),
    inset 0 -1px 0 rgba(255, 255, 255, 0.25),
    0 18px 40px rgba(16, 52, 84, 0.16);
}

/* ---------- 背景层：玻璃后面要有东西可透 ---------- */
body {
  background: transparent;
}
.lg-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: linear-gradient(158deg, #8ec9ee 0%, #a9d9e8 30%, #bfe6cf 55%, #f6ddae 80%, #f9c9a8 100%);
}
.lg-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(680px 420px at 10% 4%, rgba(64, 156, 255, 0.55), transparent 62%),
    radial-gradient(760px 520px at 90% 18%, rgba(38, 190, 168, 0.45), transparent 62%),
    radial-gradient(700px 560px at 82% 92%, rgba(255, 166, 88, 0.50), transparent 62%),
    radial-gradient(620px 520px at 14% 96%, rgba(148, 130, 255, 0.42), transparent 62%);
}
.lg-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.55) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 26%, #000 25%, transparent 76%);
          mask-image: radial-gradient(ellipse at 50% 26%, #000 25%, transparent 76%);
}
.lg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
}
.lg-orb-a { width: 330px; height: 330px; left: -90px; top: 150px; background: radial-gradient(circle at 32% 30%, #cdefff, #4db2ff 62%, transparent 72%); opacity: 0.85; }
.lg-orb-b { width: 270px; height: 270px; right: -70px; top: 560px; background: radial-gradient(circle at 32% 30%, #ffe2b8, #ff9e57 62%, transparent 72%); opacity: 0.80; }
.lg-orb-c { width: 230px; height: 230px; left: 5%; bottom: -80px; background: radial-gradient(circle at 32% 30%, #e3d2ff, #9a7bff 62%, transparent 72%); opacity: 0.75; }

/* ---------- 玻璃材质（浅色版，保证企业站可读性） ---------- */
.site-header,
.service-card,
.solution-list article,
.case-grid article,
.timeline li,
address,
.product-feature,
.hero-product-stats span,
.product-metrics div,
.trust-strip div {
  background: linear-gradient(135deg,
    rgba(255, 255, 255, var(--lg-alpha-strong)),
    rgba(255, 255, 255, var(--lg-alpha)) 55%,
    rgba(255, 255, 255, calc(var(--lg-alpha) + 0.08)));
  -webkit-backdrop-filter: blur(var(--lg-blur)) saturate(175%) brightness(1.06);
          backdrop-filter: blur(var(--lg-blur)) saturate(175%) brightness(1.06);
  border: 1px solid var(--lg-border);
  box-shadow: var(--lg-shadow);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header, .service-card, .solution-list article, .case-grid article,
  .timeline li, address, .product-feature, .trust-strip div {
    background: rgba(255, 255, 255, 0.92);
  }
}

/* ---------- 导航：悬浮玻璃胶囊 ---------- */
.site-header {
  top: 12px;
  margin: 12px clamp(10px, 3vw, 34px) 0;
  border-radius: 999px;
  min-height: 64px;
  padding: 10px 22px;
}
.site-nav a { border-radius: 999px; }
.site-nav a:hover, .site-nav a:focus-visible { background: rgba(255, 255, 255, 0.55); }
.brand-logo { background: transparent; }

/* ---------- Hero：底板变透，玻璃才透得出来 ---------- */
.hero-carousel { background: transparent; }
.hero {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.20)),
    repeating-linear-gradient(0deg, transparent, transparent 31px, rgba(31, 111, 178, 0.08) 32px),
    repeating-linear-gradient(90deg, transparent, transparent 31px, rgba(34, 122, 89, 0.07) 32px);
}
.product-hero-slide {
  background:
    radial-gradient(circle at 78% 28%, rgba(31, 111, 178, 0.14), transparent 32%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.22)),
    repeating-linear-gradient(0deg, transparent, transparent 31px, rgba(31, 111, 178, 0.07) 32px);
}
.hero-product-visual, .product-visual { border: 1px solid var(--lg-border); border-radius: 22px; }
.hero-demo-badge, .product-visual-badge {
  background: rgba(13, 26, 36, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 12px 28px rgba(5, 20, 32, 0.35);
  border-radius: 14px;
}

/* ---------- 按钮 ---------- */
.button.primary {
  background: linear-gradient(145deg, #2b84d6, #1f6fb2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 10px 22px rgba(31, 111, 178, 0.35);
  border-radius: 999px;
}
.button.secondary {
  background: rgba(255, 255, 255, var(--lg-alpha));
  -webkit-backdrop-filter: blur(var(--lg-blur)) saturate(170%);
          backdrop-filter: blur(var(--lg-blur)) saturate(170%);
  border: 1px solid var(--lg-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  border-radius: 999px;
}

/* ---------- 信任条 ---------- */
.trust-strip {
  gap: 14px;
  padding: 18px clamp(20px, 5vw, 72px) 4px;
  background: transparent;
  border: 0;
}
.trust-strip div { border-radius: 20px; padding: 22px 24px; }

/* ---------- 区块底色透出背景 ---------- */
.band, .product-section { background: transparent; }
.section { background: transparent; }

/* ---------- 卡片圆角与悬浮 ---------- */
.service-card, .solution-list article, .case-grid article, .timeline li { border-radius: 20px; transition: transform 0.25s ease; }
.service-card:hover, .solution-list article:hover, .case-grid article:hover, .timeline li:hover { transform: translateY(-4px); }
.icon {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.45));
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 1px 0 #fff, 0 8px 18px rgba(16, 52, 84, 0.14);
  border-radius: 14px;
}
.product-label {
  background: rgba(255, 255, 255, var(--lg-alpha));
  border: 1px solid var(--lg-border);
  -webkit-backdrop-filter: blur(var(--lg-blur));
          backdrop-filter: blur(var(--lg-blur));
}
.product-feature { border-radius: 26px; }
address { border-radius: 20px; }

/* ---------- 深色区块改成深色玻璃面板 ---------- */
.split {
  margin: 0 clamp(10px, 3vw, 34px);
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: linear-gradient(140deg, rgba(13, 34, 52, 0.72), rgba(13, 34, 52, 0.55));
  -webkit-backdrop-filter: blur(20px) saturate(160%);
          backdrop-filter: blur(20px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 24px 48px rgba(8, 30, 50, 0.30);
}
.metrics div {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.30);
  border-radius: 16px;
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
}
.site-footer {
  margin: 26px clamp(10px, 3vw, 34px) 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(13, 30, 46, 0.62);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
          backdrop-filter: blur(18px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

/* ---------- 右下角玻璃滑块（照 iOS 27） ---------- */
.lg-tuner {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  display: flex; flex-direction: column; align-items: flex-end; gap: 8px;
}
.lg-tuner-toggle {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 16px;
  font: inherit; font-size: 12.5px; font-weight: 700; letter-spacing: .04em; color: #0b3a5c;
  background: linear-gradient(150deg, rgba(255,255,255,.72), rgba(255,255,255,.42));
  -webkit-backdrop-filter: blur(14px) saturate(160%); backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(255,255,255,.75); border-radius: 999px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), 0 12px 26px rgba(16,52,84,.22);
  cursor: pointer;
}
.lg-tuner-toggle::before {
  content: ""; width: 9px; height: 9px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #9fd8ff, #0b5ea8 70%);
  box-shadow: inset 0 0 2px rgba(255,255,255,.8);
}
.lg-tuner-panel {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .04em; color: #0b3a5c;
  background: linear-gradient(150deg, rgba(255,255,255,.72), rgba(255,255,255,.42));
  -webkit-backdrop-filter: blur(14px) saturate(160%); backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(255,255,255,.75); border-radius: 999px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), 0 12px 26px rgba(16,52,84,.22);
}
.lg-tuner-panel[hidden] { display: none; }
.lg-tuner input { width: 110px; accent-color: #1f6fb2; cursor: pointer; }
@media (max-width: 960px) {
  .site-nav {
    background: rgba(255, 255, 255, 0.88);
    -webkit-backdrop-filter: blur(20px) saturate(170%);
            backdrop-filter: blur(20px) saturate(170%);
    border-radius: 18px;
  }
  .trust-strip { padding-inline: 20px; }
}

/* ============ QA 修复（2026-10-24 双端巡检后） ============ */
section[id], footer[id] { scroll-margin-top: 112px; }
.site-footer { margin-bottom: 86px; }
.hero-title { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.16; }
.section { padding-block: 62px; }
.section-head { margin-bottom: 30px; }
.service-card, .solution-card, .case-card, .timeline-card, .trust-strip .card {
  background: linear-gradient(150deg, rgba(255,255,255,.82), rgba(255,255,255,.64));
}
.service-card p, .solution-card p, .timeline-card p { color: #41525d; }
.service-card img { filter: saturate(1.18) contrast(1.04); }
.service-card, .solution-card, .case-card, .timeline-card { transition: transform .25s ease, box-shadow .25s ease; }
.service-card:hover, .solution-card:hover { transform: translateY(-3px); }
.button.secondary {
  color: #0b3a5c; border-color: rgba(11,94,168,.38);
  background: linear-gradient(150deg, rgba(255,255,255,.88), rgba(255,255,255,.62));
}
.case-card { min-height: 118px; }
.timeline { position: relative; }
.timeline-card { position: relative; z-index: 1; }
@media (min-width: 1081px) {
  .timeline::before {
    content: ""; position: absolute; left: 4%; right: 4%; top: 46px; height: 2px;
    background: linear-gradient(90deg, rgba(11,94,168,.04), rgba(11,94,168,.35), rgba(238,114,13,.35), rgba(11,94,168,.04));
  }
}
.split-copy { display: flex; flex-direction: column; justify-content: center; }
.highlight { padding: 14px 18px; }
.highlight-list { gap: 10px; }
.solution-number { line-height: 1.1; padding-top: 3px; }
.contact-layout { grid-template-columns: .92fr 1.08fr; }
.contact-card dd { overflow-wrap: break-word; }
.addr-nowrap { white-space: nowrap; }
@media (max-width: 960px) {
  .brand { min-width: 0; }
}
@media (max-width: 680px) {
  .brand strong { font-size: 15px; }
  .lg-tuner { right: 12px; bottom: 12px; }
  section[id], footer[id] { scroll-margin-top: 96px; }
}

/* ============ QA 修复第二轮（复检后） ============ */
/* 第一张主标题是无类名的 h1，单独回正字号 */
.hero-copy h1 { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.16; }
/* 轮播指示点：真实结构是 button > span，改成胶囊点 */
.hero-pagination button span {
  width: 24px; height: 8px; border-radius: 999px;
  background: rgba(11,94,168,.30);
}
.hero-pagination button.is-active span {
  width: 34px; background: #0b5ea8;
  box-shadow: 0 0 0 4px rgba(31,111,178,.12);
}
.hero-pagination button:hover span,
.hero-pagination button:focus-visible span { background: #0b5ea8; }
/* 代表项目卡：右下角加淡色序号水印，填掉空感（纯装饰，不加内容） */
.cases-grid { counter-reset: casecard; }
.case-card { counter-increment: casecard; position: relative; overflow: hidden; }
.case-card::after {
  content: counter(casecard, decimal-leading-zero);
  position: absolute; right: 12px; bottom: 0;
  font-size: 46px; font-weight: 800; line-height: 1;
  color: rgba(11,94,168,.09); pointer-events: none;
}

/* ============ QA 修复第三轮（选择器对正原站真实类名） ============ */
.solution-list article, .case-grid article, .timeline li, .trust-strip div, address {
  background: linear-gradient(150deg, rgba(255,255,255,.82), rgba(255,255,255,.64));
}
.solution-list article p, .timeline li p { color: #41525d; }
.solution-list article { transition: transform .25s ease, box-shadow .25s ease; }
.solution-list article:hover { transform: translateY(-3px); }
.timeline li { position: relative; z-index: 1; }
/* 代表项目卡：去空高 + 右下角淡色序号水印（真实选择器） */
.case-grid article { min-height: 118px; }
.case-grid { counter-reset: casecard; }
.case-grid article { counter-increment: casecard; position: relative; overflow: hidden; }
.case-grid article::after {
  content: counter(casecard, decimal-leading-zero);
  position: absolute; right: 12px; bottom: 0;
  font-size: 46px; font-weight: 800; line-height: 1;
  color: rgba(11,94,168,.09); pointer-events: none;
}

/* ============ QA 第四轮：iPhone 窄屏顶栏公司名防换行（用户真机反馈） ============ */
@media (max-width: 680px) {
  .site-header { padding: 8px 14px; gap: 10px; }
  .brand { gap: 8px; }
  .brand-logo { width: 70px; height: 27px; }
  .brand-text { min-width: 0; overflow: hidden; }
  .brand strong {
    font-size: 13.5px; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
  }
}

/* ============ QA 第五轮：第一张标题真实父级是 .hero-content（.hero-copy 是导语段落） ============ */
.hero-content h1 { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.16; }