/* =========================================================
   凌峰智能 · 基础样式 base.css v3
   参照华为/海康威视/阿里云企业级设计体系
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

:root {
  /* 品牌色 */
  --c-primary: #2563eb;
  --c-primary-2: #06b6d4;
  --c-primary-dk: #1e40af;
  --c-navy: #0f172a;
  --c-navy-2: #1e293b;
  --c-accent: #f59e0b;

  /* 文字 */
  --c-text: #0f172a;
  --c-muted: #64748b;
  --c-light: #94a3b8;

  /* 背景 */
  --c-bg: #ffffff;
  --c-bg-soft: #f1f5f9;
  --c-bg-dark: #0f172a;
  --c-border: #e2e8f0;
  --c-on-primary: #ffffff;

  /* 渐变 */
  --grad: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --grad-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --grad-hero: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #0f172a 100%);

  /* 阴影 */
  --shadow: 0 1px 3px rgba(15,23,42,.04), 0 4px 12px rgba(15,23,42,.06);
  --shadow-lg: 0 4px 6px rgba(15,23,42,.04), 0 12px 32px rgba(15,23,42,.1);

  /* 布局 */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --header-h: 80px;
  --maxw: 1320px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; }
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; letter-spacing: -0.01em; }

/* 容器 - 宽屏关键：1320px 最大宽度，左右留白一致 */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
/* 宽屏下增加容器内边距，让内容离屏幕边缘更舒适 */
@media (min-width: 1400px) {
  .container { padding: 0 40px; }
}

/* ---------------- 区块与标题 ---------------- */
.section { padding: 44px 0; }
.section.alt { background: var(--c-bg-soft); }
.section-title {
  text-align: center;
  font-size: clamp(22px, 2.6vw, 30px);
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section-title::after {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  border-radius: 2px;
  background: var(--grad);
  margin: 10px auto 0;
}
.section-sub {
  text-align: center;
  color: var(--c-muted);
  margin: 0 auto 26px;
  font-size: 15px;
  max-width: 640px;
  line-height: 1.7;
}
.text-center { text-align: center; }
.muted { color: var(--c-muted); }

/* ---------------- 网格 ---------------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card-body { padding: 20px; }
.card-body h3 { font-size: 17px; margin-bottom: 8px; font-weight: 600; }
.card-body p { color: var(--c-muted); font-size: 14px; line-height: 1.65; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  line-height: 1.4;
  transition: all .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--grad);
  color: var(--c-on-primary);
  box-shadow: 0 4px 16px rgba(37,99,235,.3);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(37,99,235,.4); }
.btn-light {
  background: #fff;
  color: var(--c-primary);
  box-shadow: 0 2px 8px rgba(15,23,42,.1);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.5);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
}
.btn-line {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.btn-line:hover { background: var(--c-primary); color: #fff; }
.btn-gray {
  background: var(--c-bg-soft);
  color: var(--c-text);
  border-color: var(--c-border);
}
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-block { width: 100%; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  background: rgba(255,255,255,.12);
  color: inherit;
}
.badge .ic { width: 14px; height: 14px; }

/* ---------------- 图标 ---------------- */
.ic { width: 22px; height: 22px; flex: none; }
.ic-lg { width: 28px; height: 28px; }

.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad);
  color: #fff;
  margin-bottom: 16px;
  box-shadow: 0 8px 20px rgba(37,99,235,.25);
}
.icon-circle .ic { width: 26px; height: 26px; }

/* ---------------- 顶部通栏 ---------------- */
.topbar {
  background: var(--c-navy);
  color: rgba(255,255,255,.7);
  font-size: 13px;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
  gap: 16px;
}
.topbar-welcome {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1 1 auto;
  min-width: 0;
}
.topbar-links { display: flex; gap: 24px; flex-shrink: 0; }
.topbar-links span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.topbar-links .ic { width: 14px; height: 14px; }

/* ---------------- 导航 ---------------- */
.nav-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow .3s;
}
.nav-header.scrolled {
  box-shadow: 0 4px 20px rgba(15,23,42,.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-logo-img {
  max-height: 44px;
  max-width: 160px;
  object-fit: contain;
  border-radius: 8px;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--grad);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-mark .ic { width: 24px; height: 24px; }
.brand-name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  position: relative;
  white-space: nowrap;
  color: var(--c-text);
  transition: all .2s;
}
.nav-links a:hover {
  color: var(--c-primary);
  background: var(--c-bg-soft);
}
.nav-links a.active { color: var(--c-primary); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--c-text);
  font-size: 15px;
}
.nav-phone .ic { width: 18px; height: 18px; color: var(--c-primary); }

.nav-toggle {
  display: none;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--c-text);
}
.nav-toggle .ic { width: 22px; height: 22px; transform: rotate(-90deg); }

/* 中屏（笔记本）收紧导航，避免长公司名+9个菜单+按钮超出页面宽度 */
@media (max-width: 1366px) {
  .nav-inner { gap: 14px; }
  .nav-links { gap: 2px; }
  .nav-links a { padding: 9px 10px; font-size: 13.5px; }
  .nav-header .brand { gap: 9px; min-width: 0; }
  .nav-header .brand-name { font-size: 16px; }
  .nav-header .brand-mark { width: 38px; height: 38px; }
  .nav-header .brand-mark .ic { width: 21px; height: 21px; }
  .nav-header .brand-logo-img { max-height: 38px; max-width: 120px; }
}
@media (max-width: 1200px) {
  /* 页头只保留 Logo 图形，避免长公司名挤占菜单空间（不影响页脚） */
  .nav-header .nav-cta { display: none; }
  .nav-header .brand-name { display: none; }
  .nav-links { margin-left: auto; }
}
@media (max-width: 1100px) {
  .nav-links a { padding: 8px 8px; font-size: 13px; }
}

/* ---------------- 首页轮播 Hero ---------------- */
.hero {
  position: relative;
  height: clamp(480px, 75vh, 640px);
  overflow: hidden;
  background: var(--c-navy);
}
.hero .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s var(--ease);
  background-size: cover;
  background-position: center;
  background-color: var(--c-navy);
}
.hero .slide.active { opacity: 1; }

/* 三张轮播背景：纯 CSS 渐变 + SVG 网格/光斑，无需外部图片 */
.hero-slide-1 {
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(37,99,235,.28), transparent 55%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(6,182,212,.22), transparent 60%),
    url("data:image/svg+xml,%3Csvg width='72' height='72' viewBox='0 0 72 72' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 36h72M36 0v72' stroke='rgba(148,197,255,.07)' stroke-width='1'/%3E%3Ccircle cx='36' cy='36' r='2' fill='rgba(148,197,255,.12)'/%3E%3C/svg%3E"),
    linear-gradient(125deg, #0b1226 0%, #10204a 45%, #0a2f5e 75%, #0b1226 100%);
}
.hero-slide-2 {
  background:
    radial-gradient(ellipse 70% 55% at 25% 25%, rgba(6,182,212,.24), transparent 55%),
    radial-gradient(ellipse 55% 45% at 80% 75%, rgba(37,99,235,.26), transparent 60%),
    url("data:image/svg+xml,%3Csvg width='96' height='96' viewBox='0 0 96 96' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='48' cy='48' r='1.6' fill='rgba(103,232,249,.14)'/%3E%3Cpath d='M48 8v24M48 64v24M8 48h24M64 48h24' stroke='rgba(103,232,249,.08)' stroke-width='1'/%3E%3C/svg%3E"),
    linear-gradient(115deg, #0a1a2e 0%, #0d2b4a 40%, #0f3a52 70%, #0a1a2e 100%);
}
.hero-slide-3 {
  background:
    radial-gradient(ellipse 75% 60% at 75% 30%, rgba(59,130,246,.3), transparent 55%),
    radial-gradient(ellipse 50% 40% at 15% 70%, rgba(14,165,233,.2), transparent 55%),
    url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 60h120M60 0v120' stroke='rgba(147,197,253,.06)' stroke-width='1'/%3E%3Cpath d='M30 30l60 60M90 30L30 90' stroke='rgba(147,197,253,.05)' stroke-width='1'/%3E%3Ccircle cx='60' cy='60' r='2.2' fill='rgba(147,197,253,.12)'/%3E%3C/svg%3E"),
    linear-gradient(135deg, #101633 0%, #1b2a6b 45%, #1e40af 75%, #101633 100%);
}
.hero .slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(8,12,24,.82) 0%,
    rgba(8,12,24,.45) 45%,
    rgba(8,12,24,.15) 72%,
    rgba(8,12,24,0) 100%
  );
}
.hero-caption {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
}
.hero-box {
  max-width: 680px;
  color: #fff;
  padding-right: 40px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(37,99,235,.15);
  border: 1px solid rgba(37,99,235,.3);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  color: #93c5fd;
}
.hero-box h1 {
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 16px rgba(0,0,0,.3);
}
.hero-box p {
  font-size: clamp(14px, 1.3vw, 16px);
  color: rgba(255,255,255,.75);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 4;
}
.hero-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.35);
  cursor: pointer;
  transition: all .3s;
}
.hero-dots span.active {
  background: #fff;
  width: 32px;
  border-radius: 5px;
}

/* ---------------- 内页横幅 ---------------- */
.hero-inner {
  background: var(--grad-hero);
  color: #fff;
  padding: 48px 0 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0v60M0 30h60' stroke='rgba(255,255,255,.03)' stroke-width='1'/%3E%3C/svg%3E");
}
.hero-inner h1 {
  font-size: clamp(26px, 3.2vw, 36px);
  margin-bottom: 12px;
  position: relative;
}
.hero-inner p {
  opacity: .85;
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

.breadcrumb {
  padding-top: 12px;
  padding-bottom: 12px;
  color: var(--c-muted);
  font-size: 13px;
  margin-left: auto !important;
  margin-right: auto !important;
}
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb .sep { margin: 0 8px; opacity: .4; }

/* ---------------- 首页：数据条 ---------------- */
.stat-wrap {
  position: relative;
  z-index: 5;
  margin-top: -64px;
}
.stat-strip {
  background: #fff;
  padding: 32px 0;
  position: relative;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-num {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.stat-label {
  color: var(--c-muted);
  font-size: 14px;
  margin-top: 6px;
}

/* ---------------- 首页：方案卡片 ---------------- */
.sol-card {
  display: block;
  padding: 24px 20px;
  height: 100%;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: all .3s var(--ease);
}
.sol-card:hover {
  border-color: var(--c-primary);
  box-shadow: 0 8px 24px rgba(37,99,235,.12);
}
.sol-card .sol-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37,99,235,.08);
  color: var(--c-primary);
  transition: all .3s var(--ease);
}
.sol-card:hover .sol-icon {
  background: var(--grad);
  color: #fff;
  transform: rotate(-4deg);
}
.sol-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 600;
}
.sol-card p {
  color: var(--c-muted);
  font-size: 14px;
  margin-bottom: 16px;
  line-height: 1.7;
}
.sol-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-primary);
  font-weight: 600;
  font-size: 14px;
}
.sol-more .ic {
  width: 16px;
  height: 16px;
  transition: transform .2s;
}
.sol-card:hover .sol-more .ic { transform: translateX(4px); }

/* ---------------- 优势卡片 ---------------- */
.why-item {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow);
  transition: all .3s var(--ease);
}
.why-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.why-item .ic-lg {
  width: 32px;
  height: 32px;
  color: var(--c-primary);
  margin-bottom: 16px;
}
.why-item h3 {
  font-size: 17px;
  margin-bottom: 10px;
  font-weight: 600;
}
.why-item p {
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------------- 服务流程 ---------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  counter-reset: step;
}
.process-step {
  position: relative;
  text-align: center;
  padding: 20px 12px;
  border-radius: var(--radius);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  transition: all .2s;
}
.process-step:hover {
  border-color: var(--c-primary);
}
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 10px;
}
.process-step h4 {
  font-size: 15px;
  margin-bottom: 6px;
  font-weight: 600;
}
.process-step p {
  font-size: 12.5px;
  color: var(--c-muted);
  line-height: 1.5;
}

/* ---------------- 合作伙伴 ---------------- */
.partners { padding: 40px 0; }
.partners-dark { background: var(--c-navy); }
.partners-dark .section-title,
.partners-dark .section-sub { color: #fff; }
.partners-dark .section-sub { color: rgba(255,255,255,.6); }
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.partner-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  transition: all .25s var(--ease);
}
.partner-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.partner-card img {
  max-height: 48px;
  object-fit: contain;
  filter: grayscale(30%);
}
.partner-card:hover img { filter: grayscale(0); }
.partner-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  text-align: center;
}
.partners-dark .partner-card {
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.1);
}
.partners-dark .partner-name { color: #e2e8f0; }

/* ---------------- 新闻列表 ---------------- */
.news-card {
  display: block;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .3s var(--ease);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.news-card .news-cover {
  width: 100%;
  height: 200px;
  border-radius: 0;
  min-height: auto;
}
.news-card .news-body {
  padding: 20px;
}
.news-card .news-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--c-text);
}
.news-card:hover .news-body h3 { color: var(--c-primary); }
.news-card .news-body p {
  color: var(--c-muted);
  font-size: 14px;
  margin-bottom: 14px;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item {
  display: flex;
  gap: 24px;
  align-items: stretch;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: all .25s var(--ease);
}
.news-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}
.news-cover {
  width: 220px;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--grad) center/cover;
  min-height: 130px;
  position: relative;
  overflow: hidden;
}
.news-body { flex: 1; padding: 4px 0; }
.news-body h3 {
  font-size: 17px;
  margin-bottom: 10px;
  font-weight: 600;
  line-height: 1.4;
}
.news-item:hover h3 { color: var(--c-primary); }
.news-body p {
  color: var(--c-muted);
  font-size: 14px;
  margin-bottom: 10px;
  line-height: 1.65;
}
.news-date {
  color: var(--c-muted);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-date .ic { width: 14px; height: 14px; }

/* ---------------- 筛选 chip ---------------- */
.chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.chip {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
}
.chip.active, .chip:hover {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

/* ---------------- 详情正文 ---------------- */
.detail-head {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.detail-head h1 {
  font-size: clamp(24px, 2.8vw, 32px);
  margin-bottom: 14px;
}
.detail-meta {
  color: var(--c-muted);
  font-size: 13px;
  display: inline-flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.detail-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.detail-meta .ic { width: 14px; height: 14px; }
.prose {
  max-width: 800px;
  margin: 32px auto 0;
  font-size: 16px;
  line-height: 1.9;
}
.prose p { margin-bottom: 18px; }
.prose h2, .prose h3 { margin: 32px 0 14px; }
.prose img { border-radius: 8px; margin: 20px 0; }
.prose ul { margin: 0 0 18px; padding-left: 4px; }
.prose ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-primary);
}

/* 参数表 */
.param-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}
.param-table th, .param-table td {
  padding: 12px 16px;
  border: 1px solid var(--c-border);
  font-size: 14px;
  text-align: left;
}
.param-table th {
  background: var(--c-bg-soft);
  color: var(--c-muted);
  font-weight: 600;
  width: 130px;
}

/* ---------------- 招聘 ---------------- */
.job-item {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.job-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.job-head h3 { font-size: 18px; font-weight: 600; }
.job-salary {
  color: var(--c-primary);
  font-weight: 700;
  font-size: 16px;
}
.job-info {
  color: var(--c-muted);
  font-size: 13px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.job-block {
  font-size: 14px;
  margin-bottom: 8px;
  line-height: 1.7;
}
.job-block strong { color: var(--c-text); }

/* ---------------- 联系 ---------------- */
.contact-panel {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  height: 100%;
}
.contact-panel h3 {
  font-size: 20px;
  margin-bottom: 20px;
  font-weight: 600;
}
.contact-line {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 15px;
  align-items: flex-start;
}
.contact-line .ic {
  color: var(--c-primary);
  margin-top: 3px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field label {
  display: block;
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 6px;
}
.field input, .field textarea, .field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: var(--c-bg);
  color: var(--c-text);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.field.full { grid-column: 1 / -1; }

/* ---------------- CTA 条 ---------------- */
.cta-strip {
  background: var(--grad);
  color: #fff;
  padding: 48px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-text h2 {
  font-size: clamp(22px, 2.5vw, 28px);
  margin-bottom: 8px;
}
.cta-text p {
  opacity: .9;
  font-size: 16px;
}
.cta-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------------- 悬浮电话 ---------------- */
.float-call {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 150;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37,99,235,.35);
  animation: floatPulse 2.4s infinite;
  transition: transform .2s;
}
.float-call:hover { transform: scale(1.05); }
.float-call .ic { width: 22px; height: 22px; }
@keyframes floatPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ---------------- 页脚 ---------------- */
.site-footer {
  background: var(--c-navy);
  color: rgba(255,255,255,.7);
  padding: 38px 0 0;
}
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 32px;
}
.brand-light .brand-name { color: #fff; }
/* 页脚公司 logo：白底圆角徽章，确保彩色/白底 JPG 在深色页脚上清晰可见 */
.footer-logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  padding: 6px 12px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
  flex-shrink: 0;
}
.footer-logo-badge .brand-logo-img {
  max-height: 36px;
  max-width: 160px;
  object-fit: contain;
  display: block;
}
.footer-desc {
  color: rgba(255,255,255,.55);
  font-size: 14px;
  margin: 18px 0;
  max-width: 340px;
  line-height: 1.8;
}
.footer-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,.55);
  font-size: 14px;
  margin-bottom: 10px;
  transition: all .2s;
}
.footer-col a:hover {
  color: #fff;
  transform: translateX(3px);
}
.footer-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.65);
  font-size: 14px;
  margin-bottom: 12px;
}
.footer-line .ic { width: 16px; height: 16px; flex: none; }
.copyright {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.copyright-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.copyright-links {
  display: inline-flex;
  gap: 12px;
  align-items: center;
}
.copyright-sep { opacity: .3; }
.copyright a { color: rgba(255,255,255,.5); }
.copyright a:hover { color: #fff; }

/* ---------------- 移动端组件 ---------------- */
.m-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s;
  z-index: 300;
}
.m-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(85vw, 360px);
  background: var(--c-bg);
  z-index: 310;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform .32s var(--ease);
}
body.menu-open .m-drawer { transform: translateX(0); }
body.menu-open .m-overlay { opacity: 1; visibility: visible; }
.m-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--c-border);
}
.m-drawer-logo { font-weight: 700; font-size: 17px; }
.m-drawer-close {
  background: none;
  border: none;
  color: var(--c-muted);
  cursor: pointer;
}
.m-drawer-close .ic { width: 22px; height: 22px; transform: rotate(180deg); }
.m-drawer-nav { flex: 1; padding: 16px; overflow-y: auto; }
.m-drawer-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 12px;
  border-radius: 8px;
  font-size: 15px;
}
.m-drawer-nav a.active, .m-drawer-nav a:hover {
  background: var(--c-bg-soft);
  color: var(--c-primary);
}
.m-drawer-nav .ic { width: 16px; height: 16px; opacity: .5; }
.m-drawer-foot {
  padding: 18px 20px;
  border-top: 1px solid var(--c-border);
  font-size: 13px;
  color: var(--c-muted);
}
.m-drawer-foot > div {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.m-drawer-foot .ic { width: 15px; height: 15px; color: var(--c-primary); }

.m-tabbar { display: none; }

/* =========================================================
   封面卡片 / 图文布局
   ========================================================= */
.card-cover {
  aspect-ratio: 16 / 9;
  background: var(--grad) center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.85);
}
.card-cover .ic { width: 44px; height: 44px; opacity: .9; }
.card-cover[style*="url"] .ic { display: none; }
.card-meta {
  color: var(--c-muted);
  font-size: 12.5px;
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-meta .ic { width: 13px; height: 13px; }
.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--c-muted);
  padding: 48px 0;
  font-size: 15px;
}

/* ---------------- 首页：关于我们 ---------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}
.about-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.about-text h2 {
  font-size: clamp(24px, 2.8vw, 32px);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.about-text p {
  color: var(--c-muted);
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.85;
}
.about-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 24px 0 28px;
}
.about-badges span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  font-size: 13px;
  color: var(--c-text);
}
.about-badges .ic { width: 15px; height: 15px; color: var(--c-primary); }

.about-visual {
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--c-navy), var(--c-navy-2));
  color: #fff;
  padding: 44px 36px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.about-visual::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(37,99,235,.15) 0%, transparent 70%);
}
.about-visual-top {
  text-align: center;
  margin-bottom: 24px;
  position: relative;
}
.about-visual-top .big {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #fff, #93c5fd);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.about-visual-top .big-label {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-top: 10px;
  display: block;
}
.about-visual-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.75);
  margin-bottom: 28px;
  position: relative;
}
.about-visual-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.12);
  position: relative;
}
.about-visual-row b {
  font-size: 26px;
  display: block;
  font-weight: 700;
}
.about-visual-row span {
  font-size: 13px;
  color: rgba(255,255,255,.55);
}

.mv-card { padding: 28px 24px; height: 100%; }
.mv-card .icon-circle { margin-bottom: 16px; }
.mv-card h3 { font-size: 17px; margin-bottom: 10px; }
.mv-card p { color: var(--c-muted); font-size: 14px; line-height: 1.8; }

.sol-hero-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.sol-hero-icon .ic { width: 38px; height: 38px; }

/* =========================================================
   响应式（≤ 1024px 平板 / ≤ 768px 手机）
   ========================================================= */
@media (max-width: 1024px) {
  .section { padding: 38px 0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .partner-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  /* 平板端通栏：缩短欢迎语避免与电话邮箱挤压 */
  .topbar-welcome { font-size: 12px; }
  .topbar-links { gap: 16px; font-size: 12px; }
}

@media (max-width: 768px) {
  /* 移动端顶部通栏：隐藏过长的欢迎标语，仅保留电话+邮箱紧凑一行 */
  .topbar { display: block; }
  .topbar-inner { height: auto; min-height: 32px; padding: 4px 0; flex-wrap: wrap; justify-content: center; gap: 6px 16px; }
  .topbar-welcome { display: none; }
  .topbar-links { gap: 18px; font-size: 12px; }
  .topbar-links .ic { width: 12px; height: 12px; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta, .nav-phone { display: none; }
  .section { padding: 30px 0; }
  .grid-2, .grid-3, .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .stat-strip { margin-top: -40px; padding: 28px 0; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand { grid-column: auto; }
  .news-card .news-cover { height: 180px; }
  .news-item { flex-direction: column; }
  .news-cover { width: 100%; min-height: 160px; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .hero { height: clamp(480px, 70vh, 560px); }
  .hero-box { max-width: 100%; padding-right: 0; }
  .hero-box h1 { font-size: clamp(28px, 6vw, 36px); }
  .hero-box p { font-size: 15px; }
  .container { padding: 0 20px; }

  /* App 底部标签版式 */
  body.mmode-tabbar .m-tabbar {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 250;
    background: var(--c-bg);
    border-top: 1px solid var(--c-border);
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -4px 16px rgba(15,23,42,.08);
  }
  .m-tabbar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
    font-size: 11px;
    color: var(--c-muted);
  }
  .m-tabbar a .ic { width: 22px; height: 22px; }
  .m-tabbar a.active { color: var(--c-primary); }
  body.mmode-tabbar { padding-bottom: calc(60px + env(safe-area-inset-bottom)); }
  /* 手机端底部 Tab / 页脚已含联系入口，隐藏悬浮电话球避免遮挡内容卡片 */
  .float-call { display: none; }
}

@media (max-width: 480px) {
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .hero { height: clamp(440px, 65vh, 520px); }
}