/* ============================================================
 * assets/css/style.css — 全站样式（设计系统 · 亮/暗主题 · 响应式）
 * ★ 视觉风格：工业商务 · 高级质感 · 克制动效
 * ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  /* 品牌色（源自 logo-br.svg） */
  --c-steel: #313e48;
  --c-ink: #17212b;
  --c-accent: #1e6fb5;
  --c-accent-2: #cd8e09;
  --c-accent-soft: rgba(30, 111, 181, 0.1);

  /* 亮色主题——冷灰蓝画布，让白卡显著"浮起"；双层柔和投影提升层次 */
  --bg: #e6ebf1;
  --bg-alt: #dee6ee;
  --surface: #ffffff;
  --surface-2: #f1f6fb;
  --line: #c9d4de;
  --line-strong: #adbbc9;
  --text: #1e2c38;
  --text-2: #41545f;
  --text-3: #70808d;
  --hero-text: #ffffff;
  --shadow-sm: 0 1px 2px rgba(12, 32, 48, 0.06), 0 12px 26px -8px rgba(12, 38, 58, 0.16);
  --shadow-md: 0 6px 16px -6px rgba(12, 32, 48, 0.11), 0 26px 50px -14px rgba(12, 38, 58, 0.22);
  --shadow-lg: 0 18px 38px -14px rgba(12, 32, 48, 0.18), 0 50px 100px -26px rgba(12, 38, 58, 0.30);
  --ring: rgba(30, 111, 181, 0.4);
  --grid-line: rgba(30, 60, 90, 0.06);

  /* 毛玻璃（Glassmorphism）色板 */
  --glass-bg: rgba(255, 255, 255, 0.42);
  --glass-bg-strong: rgba(255, 255, 255, 0.62);
  --glass-border: rgba(255, 255, 255, 0.75);
  --glass-border-strong: rgba(255, 255, 255, 0.9);
  --glass-shine: rgba(255, 255, 255, 0.95);
  --glass-ink: #1e2c38;
  --glass-muted: #4a5c68;
  --blur-lg: blur(26px) saturate(180%);
  --blur-md: blur(20px) saturate(170%);

[data-theme="dark"] {
  --bg: #0e1419;
  --bg-alt: #121a21;
  --surface: #151d24;
  --surface-2: #1a232c;
  --line: #26323b;
  --line-strong: #35434e;
  --text: #e6ecef;
  --text-2: #a7b4bd;
  --text-3: #73828c;
  --hero-text: #ffffff;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
  --ring: rgba(30, 111, 181, 0.55);
  --grid-line: rgba(120, 160, 200, 0.05);

  --glass-bg: rgba(21, 29, 36, 0.5);
  --glass-bg-strong: rgba(21, 29, 36, 0.62);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-border-strong: rgba(255, 255, 255, 0.16);
  --glass-shine: rgba(255, 255, 255, 0.08);
  --glass-ink: #e6ecef;
  --glass-muted: #a7b4bd;
  --blur-lg: blur(22px) saturate(150%);
  --blur-md: blur(16px) saturate(140%);
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--c-accent); text-decoration: none; transition: color .25s; }
a:hover { color: var(--c-accent); }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 15px; color: var(--text); }
::selection { background: var(--c-accent); color: #fff; }

.container { width: min(1180px, 92%); margin: 0 auto; }

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.35rem); }
h3 { font-size: 1.18rem; }

/* ---------- 装饰背景网格 + 品牌光斑 ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(46vw 34vh at 8% 6%, rgba(30, 111, 181, 0.20), transparent 62%),
    radial-gradient(40vw 32vh at 88% 16%, rgba(205, 142, 9, 0.15), transparent 60%),
    radial-gradient(48vw 38vh at 14% 68%, rgba(63, 132, 199, 0.13), transparent 62%),
    radial-gradient(44vw 34vh at 90% 74%, rgba(30, 111, 181, 0.16), transparent 64%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: auto, auto, auto, auto, 56px 56px, 56px 56px;
}
[data-theme="dark"] body::before {
  background-image:
    radial-gradient(48vw 34vh at 8% 6%, rgba(63, 135, 200, 0.12), transparent 62%),
    radial-gradient(42vw 32vh at 88% 16%, rgba(201, 149, 42, 0.08), transparent 60%),
    radial-gradient(50vw 38vh at 14% 68%, rgba(63, 135, 200, 0.07), transparent 62%),
    radial-gradient(46vw 34vh at 90% 74%, rgba(63, 135, 200, 0.10), transparent 64%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: auto, auto, auto, auto, 56px 56px, 56px 56px;
}
#site-header { position: relative; z-index: 100; }
#site-footer, main { position: relative; z-index: 1; }

/* ---------- 小元素 ---------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 14px;
}
.k-line { width: 34px; height: 2px; background: linear-gradient(90deg, var(--c-accent), transparent); }

.br-icon { width: 1.1em; height: 1.1em; flex: none; }

.sec-head { margin-bottom: 42px; }
.sec-head.split-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.sec-title { margin-bottom: 10px; }
.sec-text { color: var(--text-2); max-width: 640px; }

.section-pad { padding: 84px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-line { border-bottom: 1px solid var(--line); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  border: 1px solid transparent;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn .br-icon { width: 1em; height: 1em; transition: transform .25s; }
.btn:hover .br-icon { transform: translateX(4px); }
.btn-primary { background: var(--c-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: #175d99; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, .7); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--c-steel); transform: translateY(-2px); }
.btn-ghost { background: transparent; border-color: var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--c-accent); color: var(--c-accent); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--c-steel); box-shadow: var(--shadow-md); }
.btn-light:hover { background: var(--c-accent); color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.link-more { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; margin-top: 10px; }
.link-more .br-icon { width: 1em; height: 1em; transition: transform .25s; }
.link-more:hover .br-icon { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  background: rgba(227, 233, 240, 0.80);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s, box-shadow .3s, border-color .3s;
}
[data-theme="dark"] .site-header { background: rgba(14, 20, 25, 0.85); }
.site-header.is-scrolled {
  background: var(--surface);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand-logo { height: 44px; width: auto; }
.brand-name { font-weight: 800; font-size: 1.02rem; color: var(--text); letter-spacing: .01em; }

.site-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  position: relative;
  padding: 8px 14px;
  color: var(--text-2);
  font-weight: 600;
  font-size: .93rem;
  border-radius: 6px;
}
.nav-link:hover { color: var(--text); background: var(--c-accent-soft); }
.nav-link.is-active { color: var(--c-accent); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  background: var(--c-accent);
  border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.icon-btn {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  transition: all .25s;
}
.icon-btn:hover { border-color: var(--c-accent); color: var(--c-accent); transform: translateY(-1px); }
.icon-btn .br-icon { width: 19px; height: 19px; }

.nav-utils { display: flex; align-items: center; gap: 8px; }
.nav-utils-inline { display: none; }
.lang-switch, .theme-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-weight: 700; font-size: .85rem;
  transition: all .25s;
}
/* 语言下拉：select 专用 */
select.lang-switch {
  cursor: pointer;
  max-width: 150px;
  -webkit-appearance: auto;
  appearance: auto;
  color-scheme: light;
}
select.lang-switch option { color: #111; background: #fff; font-weight: 500; }
.lang-switch:hover, .theme-toggle:hover { border-color: var(--c-accent); color: var(--c-accent); }
.lang-ico .br-icon, .theme-toggle .br-icon { width: 16px; height: 16px; }
.th-sun { display: none; }
[data-theme="dark"] .th-sun { display: block; }
[data-theme="dark"] .th-moon { display: none; }
.menu-btn { display: none; }

/* ---------- 搜索浮层 ---------- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(10, 16, 22, 0.55);
  backdrop-filter: blur(6px);
  padding-top: 90px;
  animation: fadeIn .2s ease;
}
.search-panel {
  max-width: 760px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: riseIn .28s ease;
}
.search-field { display: flex; align-items: center; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.search-field .br-icon { width: 22px; height: 22px; color: var(--text-3); }
#search-input {
  flex: 1; border: none; outline: none;
  background: transparent; color: var(--text);
  font-size: 1.15rem;
}
.search-clear { background: none; border: none; color: var(--text-3); display: grid; place-items: center; }
.search-clear .br-icon { width: 20px; height: 20px; }
.search-hints { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 14px 22px; border-bottom: 1px solid var(--line); }
.hint-label { font-size: .82rem; color: var(--text-3); font-weight: 600; }
.hint-chip {
  border: 1px solid var(--line); background: var(--surface-2);
  color: var(--text-2); border-radius: 999px; padding: 5px 13px;
  font-size: .82rem; transition: all .2s;
}
.hint-chip:hover { border-color: var(--c-accent); color: var(--c-accent); background: var(--c-accent-soft); }
.search-results { max-height: 46vh; overflow-y: auto; padding: 8px; }
.search-item {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 14px; border-radius: 10px;
  color: var(--text); transition: background .2s;
}
.search-item:hover { background: var(--c-accent-soft); color: var(--text); }
.si-ico { width: 40px; height: 40px; border-radius: 10px; background: var(--c-accent-soft); color: var(--c-accent); display: grid; place-items: center; flex: none; }
.si-ico .br-icon { width: 20px; height: 20px; }
.si-title { font-weight: 700; }
.si-tag { margin-left: auto; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); flex: none; }
.search-empty { padding: 26px; text-align: center; color: var(--text-3); }

/* ---------- Hero / 轮播 ---------- */
.hero {
  position: relative;
  height: min(92vh, 820px);
  min-height: 560px;
  overflow: hidden;
  background: var(--c-steel);
}
.hero-bg-wrap { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s ease; }
.hero-slide.is-active { opacity: 1; z-index: 1; }
.hero-bg {
  position: absolute; inset: -6%;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  will-change: transform;
}
.hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(13, 22, 30, .82) 0%, rgba(13, 22, 30, .55) 42%, rgba(13, 22, 30, .18) 100%),
    linear-gradient(0deg, rgba(13, 22, 30, .5) 0%, transparent 40%);
}
.hero-content {
  position: relative; z-index: 2;
  height: 100%;
  display: flex; flex-direction: column;
  justify-content: center;
  color: var(--hero-text);
}
.hero-copy-wrap { max-width: 680px; }
.hero-copy { display: none; }
.hero-copy.is-active { display: block; animation: heroIn .7s ease both; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .8rem; font-weight: 700; letter-spacing: .22em;
  text-transform: uppercase; color: #bcd4ea; margin-bottom: 18px;
}
.hero-kicker::before { content: ""; width: 36px; height: 2px; background: var(--c-accent-2); }
.hero-title { color: #fff; margin-bottom: 20px; text-shadow: 0 2px 24px rgba(0,0,0,.35); }
.hero-text { color: rgba(255, 255, 255, .88); font-size: 1.12rem; max-width: 560px; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-dots { position: absolute; z-index: 3; bottom: 34px; left: 50%; transform: translateX(-50%); display: flex; gap: 9px; }
.dot {
  width: 26px; height: 4px; border-radius: 4px;
  border: none; background: rgba(255, 255, 255, .35);
  transition: all .3s;
}
.dot.is-active { background: var(--c-accent-2); width: 40px; }
.hero-arrow {
  position: absolute; z-index: 3; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .08);
  color: #fff; display: grid; place-items: center;
  transition: all .3s;
}
.hero-arrow:hover { background: var(--c-accent); border-color: var(--c-accent); }
.hero-prev { left: 28px; }
.hero-next { right: 28px; }
.hero-arrow .br-icon { width: 22px; height: 22px; }
.hero-scroll {
  position: absolute; z-index: 3; bottom: 22px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.75); animation: bob 2s ease infinite;
}
.hero-scroll .br-icon { width: 26px; height: 26px; }

@keyframes heroIn {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: none; }
}
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes riseIn { from { opacity: 0; transform: translateY(16px); } }

/* ---------- 滚动显现 ---------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- Split 简介 ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.split-body p { color: var(--text-2); margin-bottom: 16px; }
.split-media { position: relative; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-lg); }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; transition: transform .8s ease; }
.split-media:hover img { transform: scale(1.05); }
.media-badge {
  position: absolute; left: 22px; bottom: 22px;
  background: rgba(255, 255, 255, .94);
  color: var(--c-steel);
  padding: 16px 22px; border-radius: 12px;
  box-shadow: var(--shadow-md);
  display: flex; flex-direction: column; line-height: 1.3;
}
[data-theme="dark"] .media-badge { background: rgba(21, 29, 36, .94); color: var(--text); }
.mb-num { font-size: 1.7rem; font-weight: 800; color: var(--c-accent); }
.mb-label { font-size: .8rem; color: var(--text-2); font-weight: 600; }

/* ---------- 毛玻璃面板基座 ----------
 * 通用玻璃质感：半透明浮法玻璃底 + 背景模糊 + 内高光描边 + 立体分层阴影 + hover 流动高光 */
.glass-panel,
.stats-strip,
.pillar,
.process-step {
  position: relative;
  background:
    radial-gradient(140% 100% at 8% 0%, rgba(30, 111, 181, 0.12), transparent 58%),
    radial-gradient(140% 100% at 92% 100%, rgba(205, 142, 9, 0.10), transparent 60%),
    var(--glass-bg);
  -webkit-backdrop-filter: var(--blur-lg);
  backdrop-filter: var(--blur-lg);
  border: 1px solid var(--glass-border-strong);
  box-shadow:
    inset 0 1px 0 var(--glass-shine),
    inset 1px 0 0 rgba(255, 255, 255, 0.4),
    inset -1px 0 0 rgba(255, 255, 255, 0.25),
    inset 0 -18px 30px -18px rgba(30, 111, 181, 0.16),
    0 12px 24px -12px rgba(12, 26, 40, 0.30),
    0 32px 64px -22px rgba(12, 26, 40, 0.32),
    0 2px 2px rgba(12, 26, 40, 0.05);
  overflow: hidden;
  transition: transform .38s cubic-bezier(.22, .8, .28, 1), box-shadow .38s ease, border-color .3s ease;
}
/* 顶部高光扫过（流动光晕动画）—— 归并到 ::before（统计条/亮点卡的顶部色带已移除，::before 空闲） */
.glass-panel::before,
.stats-strip::before,
.pillar::before {
  content: "";
  position: absolute;
  top: -60%;
  left: -30%;
  width: 60%;
  height: 240%;
  pointer-events: none;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.14) 45%, rgba(255, 255, 255, 0.22) 50%, transparent 78%);
  transform: rotate(24deg) translateX(-140%);
  opacity: 0;
  transition: transform 1s ease, opacity .4s ease;
}
.glass-panel:hover::before,
.stats-strip:hover::before,
.pillar:hover::before {
  transform: rotate(24deg) translateX(420%);
  opacity: 1;
}
/* 悬浮立体化 */
.glass-panel:hover,
.stats-strip:hover,
.pillar:hover,
.process-step:hover {
  transform: translateY(-8px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 16px 30px -14px rgba(12, 26, 40, 0.32),
    0 44px 84px -26px rgba(12, 26, 40, 0.40),
    0 4px 4px rgba(12, 26, 40, 0.06);
  border-color: var(--glass-border-strong);
}

/* ---------- 统计条 ---------- */
/* 毛玻璃统计面板：悬浮在品牌光斑背景之上 */
.stats-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  border-radius: 18px;
  padding: 44px 26px 40px;
}
.stat { text-align: center; position: relative; }
.stat:not(:last-child)::after {
  content: ""; position: absolute; right: -10px; top: 22%; bottom: 22%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(30, 70, 110, 0.16), transparent);
}
.stat-num {
  font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800;
  color: var(--c-accent); line-height: 1.1;
  -webkit-text-fill-color: var(--c-accent);
  text-shadow: 0 10px 26px rgba(30, 111, 181, 0.28);
}
.stat-label { margin-top: 8px; color: var(--glass-muted); font-weight: 600; font-size: .92rem; }
[data-theme="dark"] .stat:not(:last-child)::after { background: linear-gradient(180deg, transparent, rgba(160, 200, 230, 0.18), transparent); }
[data-theme="dark"] .stat-num { color: #9cc7ea; -webkit-text-fill-color: #9cc7ea; text-shadow: 0 10px 26px rgba(63, 135, 200, 0.35); }
[data-theme="dark"] .glass-panel::before, [data-theme="dark"] .stats-strip::before, [data-theme="dark"] .pillar::before, [data-theme="dark"] .process-step::before {
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.07) 45%, rgba(255, 255, 255, 0.12) 50%, transparent 78%);
}

/* 三大亮点：毛玻璃卡 + 品牌色图标光晕 */
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pillar {
  border-radius: 16px;
  padding: 38px 28px 34px;
}
.pillar-ico {
  position: relative;
  width: 58px; height: 58px; border-radius: 16px;
  background: var(--c-accent-soft); color: var(--c-accent);
  display: grid; place-items: center; margin-bottom: 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
  transition: transform .35s cubic-bezier(.22,.8,.28,1), background .3s, color .3s, box-shadow .3s;
}
.pillar:hover .pillar-ico { background: var(--c-accent); color: #fff; transform: translateY(-4px) rotate(-6deg) scale(1.06); box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 12px 26px -8px rgba(30,111,181,.55); }
.pillar-ico .br-icon { width: 28px; height: 28px; }
.pillar h3 { margin-bottom: 10px; }
.pillar p { color: var(--glass-muted); font-size: .95rem; }

/* ---------- 产品卡片 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.prod-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s;
  cursor: pointer;
}
.prod-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(30, 111, 181, .4); }
.pc-media { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.pc-img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.prod-card:hover .pc-img { transform: scale(1.07); }
.pc-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  gap: 14px; padding: 22px;
  background: linear-gradient(0deg, rgba(13, 22, 30, .88) 0%, rgba(13, 22, 30, .35) 60%, transparent 100%);
  opacity: 0; transform: translateY(14px);
  transition: opacity .35s ease, transform .35s ease;
}
.prod-card:hover .pc-overlay { opacity: 1; transform: none; }
.pc-brief { color: #e8eef3; font-size: .92rem; }
.pc-cat {
  position: absolute; top: 14px; left: 14px;
  background: rgba(255, 255, 255, .92); color: var(--c-steel);
  font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 5px 11px; border-radius: 999px;
}
[data-theme="dark"] .pc-cat { background: rgba(21, 29, 36, .92); color: var(--text); }
.pc-body { padding: 20px 22px 24px; }
.pc-name { margin-bottom: 12px; }
.pc-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-size: .74rem; font-weight: 700; letter-spacing: .03em;
  padding: 4px 11px; border-radius: 6px;
  background: var(--bg-alt); color: var(--text-2);
  border: 1px solid var(--line);
}
.tag-blue { background: var(--c-accent-soft); color: var(--c-accent); border-color: transparent; }

/* 筛选栏 */
.filter-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 34px;
  box-shadow: var(--shadow-sm);
}
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter {
  border: 1px solid var(--line); background: var(--surface-2);
  color: var(--text-2); font-weight: 600; font-size: .88rem;
  padding: 9px 16px; border-radius: 8px;
  transition: all .25s;
}
.filter:hover { border-color: var(--c-accent); color: var(--c-accent); }
.filter.is-active { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.filter-search { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 8px; padding: 0 12px; background: var(--surface-2); }
.filter-search .br-icon { width: 16px; height: 16px; color: var(--text-3); }
.filter-search input { border: none; outline: none; background: transparent; padding: 10px 0; width: 200px; }
.grid-empty { text-align: center; padding: 60px 0; color: var(--text-3); }

/* ---------- 行业 ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.industry {
  position: relative;
  background: linear-gradient(155deg, var(--ia, #2c4a63) 0%, var(--ib, #182c40) 100%);
  border: none;
  border-radius: 14px;
  padding: 30px 16px 34px;
  text-align: center;
  overflow: hidden;
  box-shadow:
    0 3px 0 rgba(10, 22, 34, 0.18),
    0 12px 26px -10px rgba(12, 26, 40, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  transition: transform .3s ease, box-shadow .3s ease;
}
.industry::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0; height: 55%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0));
  pointer-events: none;
}
.industry:hover {
  transform: translateY(-8px);
  box-shadow:
    0 5px 0 rgba(10, 22, 34, 0.16),
    0 24px 42px -12px rgba(12, 26, 40, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
[data-theme="dark"] .industry {
  box-shadow:
    0 3px 0 rgba(0, 0, 0, 0.4),
    0 14px 30px -10px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
[data-theme="dark"] .industry:nth-child(1) { background: linear-gradient(155deg, #3a6b8f, #24425e); }
[data-theme="dark"] .industry:nth-child(2) { background: linear-gradient(155deg, #b07a2e, #6d4a16); }
[data-theme="dark"] .industry:nth-child(3) { background: linear-gradient(155deg, #2a7a93, #16485c); }
[data-theme="dark"] .industry:nth-child(4) { background: linear-gradient(155deg, #4a57b4, #2c3370); }
[data-theme="dark"] .industry:nth-child(5) { background: linear-gradient(155deg, #1f8a7c, #0e534a); }
[data-theme="dark"] .industry:nth-child(6) { background: linear-gradient(155deg, #7a4a5e, #4a2a3c); }
.industry h3 { font-size: .95rem; color: #fff; }
.ind-ico { width: 48px; height: 48px; margin: 0 auto 14px; color: var(--c-accent); display: grid; place-items: center; border-radius: 12px; background: var(--c-accent-soft); transition: all .3s; }
.industry .ind-ico { color: #fff; background: rgba(255, 255, 255, 0.14); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28); }
.industry:hover .ind-ico { background: rgba(255, 255, 255, 0.26); transform: translateY(-2px) scale(1.04); }
.ind-ico .br-icon { width: 24px; height: 24px; }

/* ---------- 流程 ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.process-step {
  border-radius: 16px; padding: 34px 24px 28px;
  background:
    radial-gradient(140% 100% at 8% 0%, rgba(30, 111, 181, 0.10), transparent 58%),
    radial-gradient(140% 100% at 92% 100%, rgba(205, 142, 9, 0.08), transparent 60%),
    var(--glass-bg);
  -webkit-backdrop-filter: var(--blur-md);
  backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border-strong);
  box-shadow:
    inset 0 1px 0 var(--glass-shine),
    inset 1px 0 0 rgba(255, 255, 255, 0.35),
    inset -1px 0 0 rgba(255, 255, 255, 0.2),
    inset 0 -14px 24px -16px rgba(30, 111, 181, 0.12),
    0 10px 22px -12px rgba(12, 26, 40, 0.26),
    0 28px 56px -22px rgba(12, 26, 40, 0.30),
    0 2px 2px rgba(12, 26, 40, 0.05);
  transition: transform .38s cubic-bezier(.22, .8, .28, 1), box-shadow .38s ease;
}
.process-step:hover { transform: translateY(-8px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 14px 26px -12px rgba(12, 26, 40, 0.28), 0 40px 74px -24px rgba(12, 26, 40, 0.38), 0 4px 4px rgba(12, 26, 40, 0.06); }
/* 流程卡流动高光（::before，因 ::after 被步骤连接线占用） */
.process-step::before {
  content: ""; position: absolute;
  top: -60%; left: -30%; width: 60%; height: 240%; pointer-events: none;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.14) 45%, rgba(255, 255, 255, 0.22) 50%, transparent 78%);
  transform: rotate(24deg) translateX(-150%); opacity: 0;
  transition: transform .9s ease, opacity .4s ease;
}
.process-step:hover::before { transform: rotate(24deg) translateX(420%); opacity: 1; }
.ps-num {
  font-size: 2.1rem; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block; margin-bottom: 16px;
}
.process-step h3 { margin-bottom: 8px; }
.process-step p { color: var(--text-2); font-size: .92rem; }
/* 步骤连接线：改为玻璃卡内右侧的指向横线（呼应前进方向，避免被毛玻璃裁剪） */
.process-step::after {
  content: ""; position: absolute; top: 40px; right: 12px;
  width: 12px; height: 2px; background: var(--line-strong);
  opacity: .7;
}
.process-step:last-child::after { display: none; }

/* ---------- 案例卡片 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.case-grid.wide-grid { grid-template-columns: repeat(3, 1fr); }
.case-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .35s, box-shadow .35s;
  cursor: pointer;
}
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.cc-media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.cc-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.case-card:hover .cc-media img { transform: scale(1.08); }
.cc-tag {
  position: absolute; top: 12px; left: 12px;
  background: var(--c-accent); color: #fff;
  font-size: .7rem; font-weight: 700; letter-spacing: .05em;
  padding: 4px 10px; border-radius: 999px;
}
.cc-body { padding: 20px 20px 22px; }
.cc-body h3 { font-size: 1.02rem; margin-bottom: 8px; }
.cc-loc { display: flex; align-items: center; gap: 6px; color: var(--text-3); font-size: .82rem; margin-bottom: 10px; }
.cc-loc .br-icon { width: 14px; height: 14px; }
.cc-sum {
  color: var(--text-2); font-size: .88rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: 14px;
}
.cc-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: .85rem; color: var(--c-accent); }
.cc-more .br-icon { width: 15px; height: 15px; transition: transform .25s; }
.case-card:hover .cc-more .br-icon { transform: translateX(4px); }

/* ---------- 新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .35s, box-shadow .35s;
  cursor: pointer;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.nc-media { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.nc-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.news-card:hover .nc-media img { transform: scale(1.08); }
.nc-date {
  position: absolute; right: 12px; bottom: 12px;
  background: rgba(255, 255, 255, .94); color: var(--c-steel);
  font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 6px;
}
[data-theme="dark"] .nc-date { background: rgba(21, 29, 36, .94); color: var(--text); }
.nc-body { padding: 20px 22px 24px; }
.nc-cat { display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--c-accent); margin-bottom: 8px; }
.nc-body h3 { font-size: 1.05rem; margin-bottom: 10px; line-height: 1.4; }
.nc-ex {
  color: var(--text-2); font-size: .88rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: 14px;
}
.nc-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: .85rem; color: var(--c-accent); }
.nc-more .br-icon { width: 15px; height: 15px; transition: transform .25s; }
.news-card:hover .nc-more .br-icon { transform: translateX(4px); }

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative;
  padding: 168px 0 96px;
  overflow: hidden;
  background: var(--c-steel);
}
.page-hero-bg {
  position: absolute; inset: -6%;
  background-size: cover; background-position: center;
  transform: scale(1.06);
  will-change: transform;
}
.page-hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(13,22,30,.88) 0%, rgba(13,22,30,.66) 50%, rgba(13,22,30,.3) 100%);
}
.page-hero-inner { position: relative; z-index: 2; max-width: 780px; color: #fff; }
.page-hero .hero-kicker { color: #bcd4ea; }
.page-hero h1 { color: #fff; margin-bottom: 18px; }
.page-hero-text { color: rgba(255,255,255,.88); font-size: 1.08rem; max-width: 640px; }

/* ---------- 关于页 ---------- */
.quote {
  border-left: 4px solid var(--c-accent-2);
  background: var(--c-accent-soft);
  padding: 18px 22px;
  border-radius: 0 12px 12px 0;
  color: var(--text);
  font-style: italic;
  font-weight: 600;
  margin-top: 8px;
}
.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--c-accent), var(--c-accent-2), transparent); transform: translateX(-50%); }
.tl-item { position: relative; width: 50%; padding: 0 40px 44px; }
.tl-item.tl-right { margin-left: 50%; }
.tl-dot {
  position: absolute; top: 8px; right: -7px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--c-accent); border: 3px solid var(--surface);
  box-shadow: 0 0 0 2px var(--c-accent);
}
.tl-item.tl-right .tl-dot { left: -7px; right: auto; }
.tl-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; padding: 20px 22px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
}
.tl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.tl-year { display: block; font-weight: 800; color: var(--c-accent); font-size: .85rem; letter-spacing: .08em; margin-bottom: 6px; }
.tl-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.tl-card p { color: var(--text-2); font-size: .9rem; }

.div-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.div-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; padding: 26px 22px;
  transition: all .3s;
}
.div-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.div-card h3 { font-size: 1.02rem; margin-bottom: 10px; }
.div-card p { color: var(--text-2); font-size: .9rem; }

.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 10px; }
.cert-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; padding: 24px 20px;
  text-align: center;
  transition: all .3s;
}
.cert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--c-accent-2); }
.cert-name { display: block; font-size: 1.15rem; font-weight: 800; color: var(--c-accent); margin-bottom: 6px; }
.cert-note { font-size: .82rem; color: var(--text-3); }

.cap-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.cap-item {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; padding: 22px 14px;
  text-align: center; font-size: .86rem; font-weight: 600; color: var(--text-2);
  transition: all .3s;
}
.cap-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); color: var(--text); border-color: var(--c-accent); }
.cap-ico { width: 44px; height: 44px; margin: 0 auto 12px; color: var(--c-accent); background: var(--c-accent-soft); border-radius: 12px; display: grid; place-items: center; }
.cap-ico .br-icon { width: 22px; height: 22px; }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 30px 24px;
  box-shadow: var(--shadow-sm);
  transition: all .3s;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(30,111,181,.4); }
.value-ico { width: 50px; height: 50px; border-radius: 12px; background: var(--c-accent-soft); color: var(--c-accent); display: grid; place-items: center; margin-bottom: 16px; }
.value-ico .br-icon { width: 24px; height: 24px; }
.value-card h3 { margin-bottom: 8px; }
.value-card p { color: var(--text-2); font-size: .9rem; }

/* ---------- 定制页 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: all .3s;
  position: relative;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(30,111,181,.4); }
.svc-ico { width: 54px; height: 54px; border-radius: 14px; background: var(--c-accent-soft); color: var(--c-accent); display: grid; place-items: center; margin-bottom: 18px; transition: all .3s; }
.service-card:hover .svc-ico { background: var(--c-accent); color: #fff; }
.svc-ico .br-icon { width: 26px; height: 26px; }
.service-card h3 { margin-bottom: 10px; }
.service-card > p { color: var(--text-2); font-size: .92rem; margin-bottom: 16px; }
.svc-points { list-style: none; }
.svc-points li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-2); font-size: .88rem; padding: 5px 0; }
.svc-points .br-icon { width: 17px; height: 17px; color: var(--c-accent); margin-top: 3px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.cinfo-list { list-style: none; display: grid; gap: 4px; margin-bottom: 26px; }
.cinfo-list li { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.cinfo-ico { width: 46px; height: 46px; flex: none; border-radius: 12px; background: var(--c-accent-soft); color: var(--c-accent); display: grid; place-items: center; }
.cinfo-ico .br-icon { width: 22px; height: 22px; }
.cinfo-label { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); margin-bottom: 2px; }
.cinfo-value { font-weight: 600; color: var(--text); }
.cinfo-dist {
  background: var(--surface); border: 1px solid var(--line);
  border-left: 3px solid var(--c-accent-2);
  border-radius: 10px; padding: 18px 20px;
}
.cinfo-dist h4 { font-size: .95rem; margin-bottom: 6px; }
.cinfo-dist p { color: var(--text-2); font-size: .86rem; }

.cform {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.cform h3 { margin-bottom: 24px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f-field { margin-bottom: 16px; }
.f-field label { display: block; font-size: .84rem; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.f-field input, .f-field select, .f-field textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--surface-2); color: var(--text);
  transition: border-color .2s, box-shadow .2s;
}
.f-field input:focus, .f-field select:focus, .f-field textarea:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--ring);
}
.f-field textarea { resize: vertical; min-height: 120px; }
.f-privacy { font-size: .8rem; color: var(--text-3); margin-top: 12px; text-align: center; }
.f-success {
  background: var(--c-accent-soft); border: 1px solid rgba(30,111,181,.3);
  color: var(--c-accent); font-weight: 600;
  border-radius: 10px; padding: 20px; text-align: center;
}

.map-embed { position: relative; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-md); background: var(--surface); }
.map-frame { width: 100%; height: 380px; border: 0; display: block; filter: grayscale(0.15) contrast(1.02); }
.map-loading { height: 380px; display: grid; place-items: center; color: var(--text-3); }
.map-static { width: 100%; height: 380px; object-fit: cover; }
.map-img-link { display: block; position: relative; }
.map-img-link img { width: 100%; height: auto; object-fit: contain; display: block; }
.map-link { position: absolute; right: 14px; bottom: 14px; background: rgba(255,255,255,.94); color: var(--c-steel); font-size: .8rem; font-weight: 700; padding: 6px 12px; border-radius: 6px; box-shadow: var(--shadow-sm); }
[data-theme="dark"] .map-link { background: rgba(21,29,36,.94); color: var(--text); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative;
  background:
    radial-gradient(1200px 400px at 15% 0%, rgba(30,111,181,.35), transparent 60%),
    radial-gradient(900px 380px at 90% 100%, rgba(205,142,9,.28), transparent 55%),
    var(--c-steel);
  overflow: hidden;
  border-radius: 18px;
  margin: 0 auto;
  padding: 70px 0;
}
.cta-glow {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: .6;
}
.cta-inner { position: relative; z-index: 2; text-align: center; color: #fff; }
.cta-inner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 14px; }
/* 打字机光标 */
.sec-type { min-height: 1.1em; }
.sec-type-caret {
  display: inline-block;
  width: 3px;
  height: .9em;
  margin-left: 3px;
  vertical-align: baseline;
  background: currentColor;
  border-radius: 1px;
  animation: br-blink .8s step-end infinite;
}
@keyframes br-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.cta-inner p { color: rgba(255,255,255,.85); max-width: 560px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- 弹层 ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10, 16, 22, .62);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  padding: 20px;
  animation: fadeIn .2s ease;
}
.modal-panel {
  position: relative;
  width: min(860px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  animation: riseIn .3s ease;
}
.modal-close {
  position: sticky; top: 14px; z-index: 5; margin-left: calc(100% - 56px);
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--surface);
  color: var(--text); display: grid; place-items: center;
  transition: all .25s;
}
.modal-close:hover { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.modal-body { padding: 0 34px 34px; }

/* 产品详情 */
.pd-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 34px; align-items: start; }
.pd-media { border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-md); }
.pd-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.pd-info h3 { font-size: 1.7rem; margin-bottom: 12px; }
.pd-desc { color: var(--text-2); margin-bottom: 18px; }
.pd-feats { list-style: none; display: grid; gap: 8px; margin-bottom: 20px; }
.pd-feats li { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-size: .93rem; }
.pd-feats .br-icon { width: 18px; height: 18px; color: var(--c-accent); }
.pd-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.meta-chip { border: 1px solid var(--line); background: var(--surface-2); padding: 6px 14px; border-radius: 999px; font-weight: 700; font-size: .82rem; color: var(--text-2); }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 案例 / 新闻详情 */
.cd-media { border-radius: 12px; overflow: hidden; margin-bottom: 22px; box-shadow: var(--shadow-md); }
.cd-media img { width: 100%; max-height: 340px; object-fit: cover; }
.cd-wrap h3, .nd-wrap h3 { font-size: 1.55rem; margin-bottom: 12px; }
.cd-facts { display: flex; gap: 26px; flex-wrap: wrap; margin: 14px 0; color: var(--text-3); font-size: .9rem; }
.cd-facts b { color: var(--text); }
.cd-summary { color: var(--text-2); margin-bottom: 14px; }
.cd-results { list-style: none; display: grid; gap: 8px; margin-bottom: 24px; }
.cd-results li { display: flex; gap: 10px; align-items: center; color: var(--text-2); }
.cd-results .br-icon { width: 18px; height: 18px; color: var(--c-accent); }
.nd-wrap p { color: var(--text-2); margin-bottom: 14px; }

/* ---------- 回到顶部 ---------- */
#back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 80;
  width: 50px; height: 50px; border-radius: 12px;
  border: none; background: var(--c-accent); color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0; transform: translateY(16px) scale(.9);
  pointer-events: none;
  transition: all .35s;
}
#back-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
#back-top:hover { background: #175d99; transform: translateY(-4px); }
#back-top .br-icon { width: 22px; height: 22px; }

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 90px;
  background: #131b23;
  color: #a7b4bd;
  border-top: 3px solid var(--c-accent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.1fr 1.2fr;
  gap: 40px;
  padding: 64px 0 40px;
}
.foot-brand .brand-logo { height: 40px; margin-bottom: 16px; filter: brightness(0) invert(1); opacity: .95; }
.foot-about { font-size: .9rem; color: #8fa0ad; max-width: 320px; margin-bottom: 18px; }
.foot-certs { display: grid; grid-template-columns: repeat(2, auto); gap: 13px; width: min-content; }
.cert-badge { width: 62px; height: 62px; object-fit: contain; background: #fff; border-radius: 10px; padding: 5px; box-shadow: 0 3px 10px rgba(0,0,0,.30); transition: transform .2s; }
.cert-badge:hover { transform: translateY(-3px); }
.cert-chip { border: 1px solid #2b3944; color: #bcd4ea; font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 5px; }
.foot-col h4 { color: #e8edf1; font-size: .95rem; margin-bottom: 18px; letter-spacing: .04em; }
.foot-nav { display: grid; gap: 10px; }
.foot-link { color: #8fa0ad; font-size: .9rem; transition: all .2s; }
.foot-link:hover { color: #fff; padding-left: 4px; }
.foot-contact { list-style: none; display: grid; gap: 12px; }
.foot-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: #8fa0ad; }
.foot-contact .br-icon { width: 17px; height: 17px; color: var(--c-accent-2); margin-top: 3px; }
.foot-contact a { color: #8fa0ad; }
.foot-contact a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #1f2a33; padding: 22px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .82rem; color: #6d7d89; }
.foot-tag { letter-spacing: .05em; }

/* ---------- 全站内容卡片通用毛玻璃 ----------
 * 与首页统计/亮点/流程卡同一套玻璃语言：半透明浮法玻璃 + 背景模糊 +
 * 内高光描边 + 立体分层阴影 + hover 上浮与外沿高亮，无顶部色带 */
.filter-bar, .prod-card, .case-card, .news-card, .service-card,
.tl-card, .div-card, .cert-card, .cap-item, .value-card, .cform,
.cinfo-dist {
  position: relative;
  background:
    radial-gradient(140% 100% at 8% 0%, rgba(30, 111, 181, 0.12), transparent 58%),
    radial-gradient(140% 100% at 92% 100%, rgba(205, 142, 9, 0.10), transparent 60%),
    var(--glass-bg);
  -webkit-backdrop-filter: var(--blur-md);
  backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border-strong);
  box-shadow:
    inset 0 1px 0 var(--glass-shine),
    inset 1px 0 0 rgba(255, 255, 255, 0.35),
    inset -1px 0 0 rgba(255, 255, 255, 0.2),
    inset 0 -14px 24px -16px rgba(30, 111, 181, 0.12),
    0 10px 24px -12px rgba(12, 26, 40, 0.26),
    0 28px 56px -22px rgba(12, 26, 40, 0.28),
    0 2px 2px rgba(12, 26, 40, 0.04);
  overflow: hidden;
  transition: transform .38s cubic-bezier(.22, .8, .28, 1), box-shadow .38s ease, border-color .3s ease;
}
.filter-bar:hover, .prod-card:hover, .case-card:hover, .news-card:hover, .service-card:hover,
.tl-card:hover, .div-card:hover, .cert-card:hover, .cap-item:hover, .value-card:hover, .cform:hover,
.cinfo-dist:hover {
  border-color: rgba(30, 111, 181, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 14px 26px -12px rgba(12, 26, 40, 0.28),
    0 40px 74px -24px rgba(12, 26, 40, 0.36),
    0 4px 4px rgba(12, 26, 40, 0.05);
}
/* 流动高光标（扫过式光晕） */
.filter-bar::before, .prod-card::before, .case-card::before, .news-card::before,
.service-card::before, .tl-card::before, .div-card::before, .cert-card::before,
.cap-item::before, .value-card::before, .cform::before, .cinfo-dist::before {
  content: ""; position: absolute;
  top: -60%; left: -30%; width: 60%; height: 240%; pointer-events: none;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.14) 45%, rgba(255, 255, 255, 0.22) 50%, transparent 78%);
  transform: rotate(24deg) translateX(-140%); opacity: 0;
  transition: transform 1s ease, opacity .4s ease;
}
.filter-bar:hover::before, .prod-card:hover::before, .case-card:hover::before, .news-card:hover::before,
.service-card:hover::before, .tl-card:hover::before, .div-card:hover::before, .cert-card:hover::before,
.cap-item:hover::before, .value-card:hover::before, .cform:hover::before, .cinfo-dist:hover::before {
  transform: rotate(24deg) translateX(420%); opacity: 1;
}
[data-theme="dark"] .filter-bar::before, [data-theme="dark"] .prod-card::before,
[data-theme="dark"] .case-card::before, [data-theme="dark"] .news-card::before,
[data-theme="dark"] .service-card::before, [data-theme="dark"] .tl-card::before,
[data-theme="dark"] .div-card::before, [data-theme="dark"] .cert-card::before,
[data-theme="dark"] .cap-item::before, [data-theme="dark"] .value-card::before,
[data-theme="dark"] .cform::before, [data-theme="dark"] .cinfo-dist::before {
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.07) 45%, rgba(255, 255, 255, 0.12) 50%, transparent 78%);
}

/* ---------- 深色 CTA 按钮毛玻璃 ----------
 * 首页轮播(.hero-cta)与通用 CTA 横幅(.cta-actions)内的主/次按钮，
 * 套用与方块同样的毛玻璃语言：玻璃通透 + 立体投影 + hover 上浮 + 流动高光 */
.hero-cta .btn-primary, .cta-actions .btn-primary {
  position: relative;
  background:
    radial-gradient(150% 180% at 12% 0%, rgba(255, 255, 255, 0.38), transparent 58%),
    radial-gradient(130% 150% at 90% 115%, rgba(0, 0, 0, 0.30), transparent 55%),
    rgba(30, 111, 181, 0.55);
  -webkit-backdrop-filter: blur(14px) saturate(170%);
  backdrop-filter: blur(14px) saturate(170%);
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -10px 20px -12px rgba(0, 0, 0, 0.35),
    0 16px 34px -12px rgba(10, 30, 50, 0.55),
    0 6px 12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  transition: transform .32s cubic-bezier(.22, .8, .28, 1), box-shadow .32s ease, background .3s ease, border-color .3s ease;
}
.hero-cta .btn-primary:hover, .cta-actions .btn-primary:hover {
  transform: translateY(-4px);
  background:
    radial-gradient(150% 180% at 12% 0%, rgba(255, 255, 255, 0.46), transparent 60%),
    radial-gradient(130% 150% at 90% 115%, rgba(0, 0, 0, 0.28), transparent 55%),
    rgba(30, 111, 181, 0.7);
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 22px 44px -14px rgba(10, 30, 50, 0.6),
    0 8px 16px rgba(0, 0, 0, 0.28);
}
.hero-cta .btn-outline, .cta-actions .btn-outline {
  position: relative;
  color: #fff;
  background:
    radial-gradient(150% 180% at 12% 0%, rgba(255, 255, 255, 0.22), transparent 60%),
    radial-gradient(130% 150% at 90% 115%, rgba(0, 0, 0, 0.18), transparent 55%),
    rgba(255, 255, 255, 0.10);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 12px 28px -12px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  transition: transform .32s cubic-bezier(.22, .8, .28, 1), box-shadow .32s ease, background .3s ease, border-color .3s ease;
}
.hero-cta .btn-outline:hover, .cta-actions .btn-outline:hover {
  transform: translateY(-4px);
  color: #fff;
  background:
    radial-gradient(150% 180% at 12% 0%, rgba(255, 255, 255, 0.28), transparent 60%),
    radial-gradient(130% 150% at 90% 115%, rgba(0, 0, 0, 0.16), transparent 55%),
    rgba(255, 255, 255, 0.20);
  border-color: rgba(255, 255, 255, 0.78);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 18px 36px -14px rgba(0, 0, 0, 0.5);
}
/* 流动高光标（hover 斜向扫过） */
.hero-cta .btn-primary::before, .cta-actions .btn-primary::before,
.hero-cta .btn-outline::before, .cta-actions .btn-outline::before {
  content: ""; position: absolute;
  top: -120%; left: -40%; width: 70%; height: 340%; pointer-events: none;
  background: linear-gradient(105deg, transparent 25%, rgba(255, 255, 255, 0.22) 48%, rgba(255, 255, 255, 0.36) 52%, transparent 75%);
  transform: rotate(22deg) translateX(-160%); opacity: 0;
  transition: transform .9s ease, opacity .4s ease;
}
.hero-cta .btn-primary:hover::before, .cta-actions .btn-primary:hover::before,
.hero-cta .btn-outline:hover::before, .cta-actions .btn-outline:hover::before {
  transform: rotate(22deg) translateX(500%); opacity: 1;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .cap-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .div-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .site-nav {
    position: fixed; top: 74px; right: -100%;
    width: min(320px, 86%); height: calc(100vh - 74px);
    background: var(--surface);
    border-left: 1px solid var(--line);
    flex-direction: column; align-items: flex-start;
    padding: 26px 24px; gap: 4px;
    transition: right .35s ease;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
  }
  body.menu-open .site-nav { right: 0; }
  .nav-link { width: 100%; font-size: 1.02rem; padding: 12px 14px; }
  .nav-utils-inline { display: flex; margin-top: 18px; }
  .menu-btn { display: grid; }
  .nav-utils { display: none !important; }
  .nav-utils-inline { display: flex !important; }

  .split { grid-template-columns: 1fr; gap: 36px; }
  .pillar-grid, .prod-grid, .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid, .case-grid.wide-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2)::after { display: none; }
  .hero-arrow { display: none; }
  .pd-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .pillar-grid, .prod-grid, .service-grid, .process-grid,
  .value-grid, .news-grid, .case-grid, .case-grid.wide-grid,
  .industry-grid, .cap-grid, .div-grid, .cert-grid, .footer-grid,
  .f-row { grid-template-columns: 1fr; }
  .section-pad { padding: 60px 0; }
  .brand-name { display: none; }
  .stats-strip { grid-template-columns: 1fr 1fr; padding: 28px 12px; }
  .modal-body { padding: 0 20px 24px; }
  .hero { min-height: 520px; }
  .timeline::before { left: 8px; }
  .tl-item, .tl-item.tl-right { width: 100%; margin-left: 0; padding-left: 36px; padding-right: 0; }
  .tl-dot, .tl-item.tl-right .tl-dot { left: 2px; right: auto; }
  .hero-cta .btn { width: 100%; justify-content: center; }
}

/* ---------- 无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

/* ============ 棣栧睆楠ㄦ灦灞忥紙Skeleton Screen锛?=========== */
.sk{position:relative;overflow:hidden;background:rgba(116,138,158,0.18);border-radius:6px;}
.sk::after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;transform:translateX(-100%);
  background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.55) 50%,transparent 80%);
  animation:sk-shine 1.4s ease-in-out infinite;}
@keyframes sk-shine{to{transform:translateX(100%)}}
[data-theme="dark"] .sk{background:rgba(150,170,190,0.10);}
[data-theme="dark"] .sk::after{background:linear-gradient(100deg,transparent 20%,rgba(220,235,250,.14) 50%,transparent 80%);}

.sk-header{position:fixed;top:0;left:0;right:0;z-index:900;height:74px;
  display:flex;align-items:center;gap:28px;padding:0 4%;
  background:var(--glass-bg);-webkit-backdrop-filter:var(--blur-md);backdrop-filter:var(--blur-md);
  border-bottom:1px solid var(--glass-border-strong);
  box-shadow:0 8px 24px -14px rgba(12,26,40,.22);}
.sk-logo{width:150px;height:38px;flex:0 0 auto;}
.sk-mid{margin-left:auto;display:flex;gap:26px;align-items:center;padding-left:12px;}
.sk-mid .sk{width:72px;height:13px;}
.sk-right{display:flex;gap:12px;align-items:center;}
.sk-right .sk{width:116px;height:34px;}

.sk-hero{width:100%;min-height:78vh;padding-top:90px;display:flex;align-items:center;
  background:radial-gradient(46vw 34vh at 8% 6%,rgba(30,111,181,.26),transparent 62%),
             radial-gradient(40vw 32vh at 88% 14%,rgba(205,142,9,.16),transparent 60%),
             var(--bg);}
.sk-hero .sk-box{width:min(660px,90%);margin:0 auto;}
.sk-hero .sk{display:block;margin:20px 0;}
.sk-kicker{width:30%;height:15px;}
.sk-title{width:64%;height:48px;border-radius:10px;}
.sk-line{width:84%;height:18px;}
.sk-line2{width:50%;height:18px;}
.sk-btns{display:flex;gap:16px;margin-top:36px;}
.sk-btn{width:156px;height:50px;border-radius:13px;}

.sk-pagehero{width:100%;padding:150px 0 80px;text-align:center;
  background:radial-gradient(40vw 30vh at 12% 18%,rgba(30,111,181,.18),transparent 62%),var(--bg);}
.sk-pagehero .sk{display:inline-block;margin:0 auto;}
.sk-pagehero .sk-pg-title{width:min(360px,70%);height:42px;border-radius:9px;}
.sk-pagehero .sk-pg-line{width:min(560px,76%);height:16px;margin-top:24px;}
@media (prefers-reduced-motion:reduce){.sk::after{animation:none}}

/* ============ 棣栧睆楠ㄦ灦灞忥紙Skeleton Screen锛?=========== */
.sk{position:relative;overflow:hidden;background:rgba(116,138,158,0.18);border-radius:6px;}
.sk::after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;transform:translateX(-100%);
  background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.55) 50%,transparent 80%);
  animation:sk-shine 1.4s ease-in-out infinite;}
@keyframes sk-shine{to{transform:translateX(100%)}}
[data-theme="dark"] .sk{background:rgba(150,170,190,0.10);}
[data-theme="dark"] .sk::after{background:linear-gradient(100deg,transparent 20%,rgba(220,235,250,.14) 50%,transparent 80%);}

.sk-header{position:fixed;top:0;left:0;right:0;z-index:900;height:74px;
  display:flex;align-items:center;gap:28px;padding:0 4%;
  background:var(--glass-bg);-webkit-backdrop-filter:var(--blur-md);backdrop-filter:var(--blur-md);
  border-bottom:1px solid var(--glass-border-strong);
  box-shadow:0 8px 24px -14px rgba(12,26,40,.22);}
.sk-logo{width:150px;height:38px;flex:0 0 auto;}
.sk-mid{margin-left:auto;display:flex;gap:26px;align-items:center;padding-left:12px;}
.sk-mid .sk{width:72px;height:13px;}
.sk-right{display:flex;gap:12px;align-items:center;}
.sk-right .sk{width:116px;height:34px;}

.sk-hero{width:100%;min-height:78vh;padding-top:90px;display:flex;align-items:center;
  background:radial-gradient(46vw 34vh at 8% 6%,rgba(30,111,181,.26),transparent 62%),
             radial-gradient(40vw 32vh at 88% 14%,rgba(205,142,9,.16),transparent 60%),
             var(--bg);}
.sk-hero .sk-box{width:min(660px,90%);margin:0 auto;}
.sk-hero .sk{display:block;margin:20px 0;}
.sk-kicker{width:30%;height:15px;}
.sk-title{width:64%;height:48px;border-radius:10px;}
.sk-line{width:84%;height:18px;}
.sk-line2{width:50%;height:18px;}
.sk-btns{display:flex;gap:16px;margin-top:36px;}
.sk-btn{width:156px;height:50px;border-radius:13px;}

.sk-pagehero{width:100%;padding:150px 0 80px;text-align:center;
  background:radial-gradient(40vw 30vh at 12% 18%,rgba(30,111,181,.18),transparent 62%),var(--bg);}
.sk-pagehero .sk{display:inline-block;margin:0 auto;}
.sk-pagehero .sk-pg-title{width:min(360px,70%);height:42px;border-radius:9px;}
.sk-pagehero .sk-pg-line{width:min(560px,76%);height:16px;margin-top:24px;}
@media (prefers-reduced-motion:reduce){.sk::after{animation:none}}