/* ============================================================
   鹏为智能CRM 官网样式（响应式 / 无外部依赖）
   ============================================================ */
:root {
  --primary: #1a56db;
  --primary-dark: #0f3a9d;
  --primary-deep: #0b2a6b;
  --accent: #f59e0b;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f6f8fb;
  --card: #ffffff;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(15, 58, 157, .08);
  --shadow-lg: 0 10px 32px rgba(15, 58, 157, .14);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  color: var(--ink); line-height: 1.75; background: var(--card); font-size: 15px;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ---------- 顶部 ---------- */
.topbar { background: var(--primary-deep); color: #cbd5e1; font-size: 12.5px; }
.topbar .container { display: flex; justify-content: space-between; padding-top: 6px; padding-bottom: 6px; }
.topbar-right strong { color: #fbbf24; font-size: 14px; }
.topbar-right .topbar-sep { margin: 0 8px; color: #475569; }
.topbar-right strong:last-of-type { color: #f87171; }
.topbar-link { color: #e2e8f0; text-decoration: none; transition: color .18s, text-shadow .18s; }
.topbar-link:hover { color: #fbbf24; text-shadow: 0 0 8px rgba(251,191,36,.5); text-decoration: underline; }

.site-header { position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow); background: #fff; }
.navbar-inner { display: flex; align-items: center; gap: 26px; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--primary-deep); flex-shrink: 0; }
.logo-text { font-size: 19px; font-weight: 700; line-height: 1.2; }
.logo-text small { display: block; font-size: 11px; color: var(--muted); font-weight: 400; letter-spacing: .5px; }
.nav { display: flex; gap: 4px; flex: 1; min-width: 0; }
.nav a { padding: 8px 13px; border-radius: 8px; color: #334155; font-size: 15px; font-weight: 500; white-space: nowrap; }
.nav a:hover { background: #eff6ff; color: var(--primary); }
.nav a.active { background: var(--primary); color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 12px; flex: none; margin-left: auto; }
.nav-actions .btn { white-space: nowrap; flex: none; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2.5px; background: var(--primary-deep); margin: 5px 0; border-radius: 2px; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn { display: inline-block; padding: 11px 26px; border-radius: 24px; font-size: 15px; font-weight: 600; transition: .2s; border: 0; cursor: pointer; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #d97706; color: #fff; }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.75); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; }
.btn-outline { border: 1.5px solid var(--primary); color: var(--primary); background: #fff; }
.btn-outline:hover { background: #eff6ff; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 13px 34px; font-size: 16px; }

/* ---------- 首页 Hero（5 屏轮播，统一高度 + 分屏配色 + 科技感背景） ---------- */
.hero { /* 中性深色兜底，具体渐变由各屏 theme-* 指定 */ background: #0b1226; color: #fff; overflow: hidden; position: relative; }
.hero-slides { position: relative; z-index: 1; }
/* 5 屏堆叠定位：所有 slide 都 absolute 叠在容器内，容器高度由 JS 取最高 slide 决定 */
.hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .55s ease, visibility .55s; pointer-events: none; }
.hero-slide.active { opacity: 1; visibility: visible; pointer-events: auto; animation: heroFade .6s ease; }
.hero-slide > .container { position: relative; z-index: 2; }

/* --- 5 屏各自渐变底色（每屏不同，体现差异化） --- */
.theme-1 { background: linear-gradient(135deg, #0a2f7a 0%, #1d4ed8 55%, #2f6fe4 100%); }
.theme-2 { background: linear-gradient(135deg, #1e1b4b 0%, #4c1d95 45%, #7c3aed 100%); }
.theme-3 { background: linear-gradient(135deg, #083344 0%, #0e7490 50%, #0891b2 100%); }
.theme-4 { background: linear-gradient(135deg, #064e3b 0%, #047857 50%, #059669 100%); }
.theme-5 { background: linear-gradient(135deg, #111827 0%, #1f2937 45%, #374151 100%); }

/* --- 科技感背景层：点阵网格 + 流动光点 + 流星(参考 crmbi.cn) --- */
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
/* 细密点阵网格 */
.hero-bg::before { content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.10) 1px, transparent 1px);
  background-size: 26px 26px; opacity: .5;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, #000 20%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, #000 20%, transparent 75%);
}
/* 底部一条柔和渐变光晕 */
.hero-bg::after { content: ""; position: absolute; left: -10%; right: -10%; bottom: -40%;
  height: 60%; background: radial-gradient(ellipse 60% 60% at 50% 100%, rgba(255,255,255,.08), transparent 70%); }
/* 流动的发光光点（不规则漂浮） */
.hero-bg .dot { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,.55); box-shadow: 0 0 10px 2px rgba(255,255,255,.35); animation: floatDot 9s linear infinite; }
.hero-bg .dot.d1 { top: 22%; left: 12%; animation-delay: 0s; }
.hero-bg .dot.d2 { top: 16%; left: 34%; width: 4px; height: 4px; animation-delay: 1.2s; }
.hero-bg .dot.d3 { top: 30%; left: 56%; animation-delay: 2.1s; }
.hero-bg .dot.d4 { top: 12%; left: 72%; width: 8px; height: 8px; animation-delay: 3.4s; }
.hero-bg .dot.d5 { top: 40%; left: 84%; animation-delay: 4.5s; }
.hero-bg .dot.d6 { top: 58%; left: 20%; width: 5px; height: 5px; animation-delay: 5.3s; }
.hero-bg .dot.d7 { top: 66%; left: 48%; animation-delay: 6.2s; }
.hero-bg .dot.d8 { top: 54%; left: 92%; width: 4px; height: 4px; animation-delay: 7.1s; }
.hero-bg .dot.d9 { top: 72%; left: 76%; width: 7px; height: 7px; animation-delay: 7.8s; }
.hero-bg .dot.d10 { top: 34%; left: 30%; width: 3px; height: 3px; animation-delay: 8.4s; }
@keyframes floatDot {
  0%   { transform: translate(0,0); opacity: .9; }
  25%  { transform: translate(26px,-18px); opacity: .6; }
  50%  { transform: translate(-14px,24px); opacity: .95; }
  75%  { transform: translate(20px,12px); opacity: .5; }
  100% { transform: translate(0,0); opacity: .9; }
}
/* 流星（短斜向光亮拖尾） */
.hero-bg .streak { position: absolute; width: 120px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.85), transparent);
  transform: rotate(-30deg); opacity: 0; animation: streak 7s ease-in infinite; }
.hero-bg .streak.s1 { top: 18%; left: 18%; animation-delay: 0s; }
.hero-bg .streak.s2 { top: 38%; left: 62%; animation-delay: 2.6s; }
.hero-bg .streak.s3 { top: 60%; left: 34%; animation-delay: 5.1s; }
@keyframes streak {
  0%   { transform: translateX(-40px) rotate(30deg); opacity: 0; }
  8%   { opacity: .9; }
  24%  { transform: translateX(220px) rotate(30deg); opacity: 0; }
  100% { transform: translateX(220px) rotate(30deg); opacity: 0; }
}

.hero-inner { position: relative; z-index: 1; padding: 74px 0 96px; max-width: 820px; min-height: 460px; display: flex; flex-direction: column; justify-content: center; }
.hero h1, .hero .hero-title { font-size: 38px; line-height: 1.3; letter-spacing: 1px; font-weight: 700; margin: 0; }
.hero h1 .em, .hero .hero-title .em { color: #fbbf24; }
.hero p { margin: 18px 0 28px; color: #dbeafe; font-size: 16.5px; line-height: 1.75; max-width: 720px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 4px; }
.hero-btns .btn-ghost { background: transparent; border: 2px solid rgba(255,255,255,.55); color: #fff; }
.hero-btns .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }
@keyframes heroFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* 屏内通用 eyebrow 小标 */
.hero-eyebrow { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; background: rgba(255,255,255,.14); color: #e0e7ff; font-size: 12.5px; font-weight: 600; letter-spacing: 1px; margin-bottom: 14px; }
.hero-eyebrow .dot-i { width: 6px; height: 6px; border-radius: 50%; background: #fbbf24; }

/* 能力胶囊：白色半透明，hover 光标 + 高亮反差 */
.hero-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.hero-pills .pill { padding: 7px 14px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); border-radius: 999px; font-size: 13px; color: #e0e7ff; cursor: pointer; transition: .18s; }
.hero-pills .pill:hover { background: rgba(255,255,255,.28); color: #fff; border-color: #fbbf24; transform: translateY(-1px); }
.hero-pills .pill.hot { background: rgba(251,191,36,.18); border-color: rgba(251,191,36,.5); color: #fde68a; }
.hero-pills .pill.hot:hover { background: rgba(251,191,36,.36); color: #fff; border-color: #fbbf24; }

/* 数据指标 */
.hero-stats { display: flex; gap: 40px; margin-top: 32px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.18); }
.hero-stats .it { min-width: 100px; cursor: pointer; transition: .18s; padding: 8px 12px; border-radius: 12px; border: 1px solid transparent; }
.hero-stats .it:hover { background: rgba(255,255,255,.12); border-color: rgba(251,191,36,.45); transform: translateY(-2px); }
.hero-stats b { display: block; font-size: 28px; color: #fbbf24; line-height: 1.1; font-weight: 800; }
.hero-stats small { color: #dbeafe; font-size: 13px; }

/* 服务小卡 fcards */
.hero-fcards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 24px; max-width: 720px; }
.hero-fcard { display: flex; gap: 12px; padding: 14px 16px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 14px; transition: .22s; cursor: pointer; }
.hero-fcard:hover { background: rgba(255,255,255,.20); border-color: #fbbf24; transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,.28); }
.hero-fcard:hover .txt b { color: #fde68a; }
.hero-fcard .ic { flex: none; width: 38px; height: 38px; border-radius: 10px; background: rgba(251,191,36,.22); color: #fde68a; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 17px; }
.hero-fcard .txt b { display: block; font-size: 14.5px; font-weight: 700; color: #fff; line-height: 1.3; transition: .18s; }
.hero-fcard .txt span { font-size: 12.5px; color: #dbeafe; line-height: 1.5; }

/* 行业标签 chips */
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; max-width: 760px; }
.hero-chips .chip { padding: 6px 13px; background: rgba(255,255,255,.10); border-radius: 999px; font-size: 12.5px; color: #e0e7ff; cursor: pointer; transition: .18s; border: 1px solid transparent; }
.hero-chips .chip:hover { background: rgba(255,255,255,.28); color: #fff; border-color: #fbbf24; transform: translateY(-1px); }
.hero-chips .chip.more { background: rgba(251,191,36,.20); color: #fde68a; font-weight: 600; }
.hero-chips .chip.more:hover { background: rgba(251,191,36,.40); color: #fff; border-color: #fbbf24; }

/* 思想词条 thoughts */
.hero-thoughts { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; max-width: 720px; }
.hero-thoughts a { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 12px; color: #e0e7ff; text-decoration: none; transition: .22s; cursor: pointer; }
.hero-thoughts a:hover { background: rgba(255,255,255,.22); color: #fff; border-color: #fbbf24; transform: translateX(4px); }
.hero-thoughts a:hover .t { color: #fde68a; }
.hero-thoughts a .num { flex: none; width: 24px; height: 24px; border-radius: 50%; background: rgba(251,191,36,.25); color: #fbbf24; font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.hero-thoughts a .t { flex: 1; font-size: 14px; transition: .18s; }
.hero-thoughts a .arr { color: rgba(255,255,255,.6); font-size: 14px; }
.hero-thoughts a:hover .arr { color: #fbbf24; }

/* 屏切换提示（右上角：N/5，淡色小字不遮挡正文） */
.hero-counter { position: absolute; top: 26px; right: 30px; left: auto; display: flex; align-items: baseline; gap: 4px; color: rgba(255,255,255,.5); font-family: 'JetBrains Mono', Menlo, Consolas, monospace; font-size: 13px; z-index: 2; }
.hero-counter b { color: rgba(255,255,255,.85); font-size: 22px; font-weight: 800; }

.hero-dots { position: absolute; left: 0; right: 0; bottom: 24px; display: flex; justify-content: center; gap: 10px; z-index: 2; }
.hero-dots .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.35); cursor: pointer; transition: .25s; }
.hero-dots .dot.active { background: #fff; transform: scale(1.25); width: 28px; border-radius: 999px; }
.hero:hover .hero-dots .dot.active { background: #fbbf24; }

/* ---------- 区块 ---------- */
.section { padding: 62px 0; }
.section.alt { background: var(--bg); }
.sec-head { text-align: center; margin-bottom: 34px; }
.sec-head h1, .sec-head h2 { font-size: 26px; color: var(--primary-deep); }
.sec-head p { color: var(--muted); margin-top: 6px; }
.sec-head .more { display: inline-block; margin-top: 18px; font-size: 14px; }

/* 产品卡 */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; transition: .22s; display: block; color: var(--ink); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #bfdbfe; color: var(--ink); }
.card .badge { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: #eff6ff; color: var(--primary); font-size: 21px; font-weight: 700; margin-bottom: 14px; }
.card h3 { font-size: 17.5px; margin-bottom: 8px; color: var(--primary-deep); }
.card p { font-size: 13.5px; color: var(--muted); }
.card .card-link { display: inline-block; margin-top: 12px; font-size: 13.5px; font-weight: 600; }

/* 方案 chips */
.chip-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.chip { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 13px 15px; font-size: 14.5px; color: #334155; font-weight: 500; transition: .2s; }
.chip:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow); }
.chip i { font-style: normal; display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; background: #eff6ff; color: var(--primary); border-radius: 9px; font-weight: 700; flex-shrink: 0; }

/* 文章列表卡片 */
.news-card { display: flex; flex-direction: column; gap: 6px; }
.news-card .meta { font-size: 12.5px; color: var(--muted); display: flex; gap: 12px; }
.news-card h3 { font-size: 15.5px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card p { font-size: 13px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tag { display: inline-block; font-size: 11.5px; background: #eff6ff; color: var(--primary); padding: 1px 9px; border-radius: 10px; }

/* 案例卡 */
.case-card .industry { font-size: 12px; color: var(--accent); font-weight: 600; }
.case-card h3 { font-size: 15.5px; }

/* CTA 横幅 */
.cta-band { background: linear-gradient(120deg, var(--primary-dark), var(--primary)); color: #fff; border-radius: 14px; padding: 34px 40px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cta-band h3 { font-size: 21px; }
.cta-band p { color: #bfdbfe; margin-top: 4px; }

/* ---------- 面包屑 ---------- */
.crumbs { background: var(--bg); border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.crumbs .container { padding-top: 10px; padding-bottom: 10px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--primary); }
.crumbs span.sep { margin: 0 8px; color: #cbd5e1; }

/* 分类筛选 tabs */
.filter-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.filter-tabs a { padding: 7px 18px; border-radius: 20px; border: 1px solid var(--line); color: #475569; font-size: 14px; background: #fff; }
.filter-tabs a.active, .filter-tabs a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- 文章详情 ---------- */
.article-wrap { max-width: 860px; margin: 0 auto; }
.article-head { padding: 34px 0 18px; }
.article-head h1 { font-size: 26px; line-height: 1.4; color: var(--primary-deep); }
.article-head .meta { margin-top: 14px; display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.article-summary { background: #f0f7ff; border-left: 4px solid var(--primary); padding: 13px 18px; border-radius: 0 8px 8px 0; color: #345; font-size: 14.5px; margin-bottom: 8px; }
.rich-content { font-size: 15.5px; color: #29303d; padding: 10px 0 30px; overflow-wrap: break-word; }
.rich-content h2, .rich-content h3 { color: var(--primary-deep); margin: 26px 0 12px; font-size: 19px; }
.rich-content p { margin: 12px 0; }
.rich-content img { border-radius: 8px; margin: 14px auto; display: block; box-shadow: var(--shadow); }
.rich-content ul, .rich-content ol { margin: 12px 0 12px 26px; }
.rich-content li { margin: 6px 0; }
.rich-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.rich-content td, .rich-content th { border: 1px solid var(--line); padding: 8px 12px; font-size: 14px; }
.rich-content th { background: #eff6ff; text-align: left; }
.rich-content blockquote { border-left: 4px solid var(--accent); background: #fffbeb; padding: 12px 16px; margin: 14px 0; color: #78350f; border-radius: 0 8px 8px 0; }

/* 相关推荐 */
.related { border-top: 1px dashed var(--line); padding: 24px 0 50px; }
.related h3 { font-size: 17px; color: var(--primary-deep); margin-bottom: 14px; }
.related ul { list-style: none; }
.related li { padding: 7px 0; border-bottom: 1px solid #f1f5f9; font-size: 14.5px; display: flex; justify-content: space-between; gap: 14px; }
.related li small { color: var(--muted); white-space: nowrap; }

/* ---------- 产品详情 ---------- */
.product-hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 34px; align-items: center; padding: 40px 0 30px; }
.product-hero h1 { font-size: 30px; color: var(--primary-deep); }
.product-hero .tagline { color: var(--accent); font-weight: 600; margin: 8px 0 14px; font-size: 16px; }
.product-hero .summary { color: var(--muted); }
.product-hero .btns { margin-top: 22px; display: flex; gap: 12px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.feature-item b { display: block; color: var(--primary-deep); font-size: 16px; margin-bottom: 6px; }
.feature-item span { font-size: 13.5px; color: var(--muted); }
.param-table { width: 100%; border-collapse: collapse; background: #fff; }
.param-table th, .param-table td { border: 1px solid var(--line); padding: 10px 14px; font-size: 14px; }
.param-table th { background: var(--primary-dark); color: #fff; font-weight: 600; }
.param-table tr:nth-child(even) td { background: #f9fafb; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.gallery-item img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.gallery-item figcaption { padding: 9px 12px; font-size: 13px; color: var(--muted); text-align: center; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 15px 20px; font-weight: 600; color: var(--primary-deep); list-style: none; position: relative; padding-right: 44px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 20px; color: var(--primary); transition: .2s; }
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-a { padding: 0 20px 16px; color: #475569; font-size: 14.5px; }

/* ---------- 表单 ---------- */
.form-panel { max-width: 620px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 34px 36px; box-shadow: var(--shadow); }
.form-panel h1 { font-size: 23px; color: var(--primary-deep); margin-bottom: 6px; }
.form-panel .sub { color: var(--muted); margin-bottom: 22px; font-size: 14px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: #334155; }
.form-row label em { color: #dc2626; font-style: normal; }
.form-row input, .form-row textarea { width: 100%; padding: 11px 14px; border: 1.5px solid var(--line); border-radius: 9px; font-size: 15px; font-family: inherit; transition: .2s; }
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px #dbeafe; }
.hp-field { position: absolute; left: -9999px; opacity: 0; }
.alert { padding: 13px 18px; border-radius: 9px; margin-bottom: 18px; font-size: 14.5px; }
.alert-ok { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.alert-warn { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert-err { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* 搜索页 */
.search-bar { display: flex; gap: 10px; max-width: 640px; margin: 34px auto 10px; }
.search-bar input { flex: 1; padding: 12px 18px; border: 1.5px solid var(--line); border-radius: 24px; font-size: 15px; }
.search-bar input:focus { outline: none; border-color: var(--primary); }
.result-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 12px; }
.result-item .type { font-size: 12px; color: #fff; background: var(--primary); border-radius: 4px; padding: 1px 8px; margin-right: 10px; }

/* ---------- 列表分页 ---------- */
.pagination { display: flex; gap: 8px; justify-content: center; margin: 34px 0; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 8px 15px; border-radius: 8px; border: 1px solid var(--line); font-size: 14px; color: #475569; background: #fff; }
.pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--primary-deep); color: #94a3b8; margin-top: 70px; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; padding: 46px 20px 34px; }
.footer-col h4 { color: #e2e8f0; font-size: 15.5px; margin-bottom: 14px; }
.footer-col a { display: block; color: #94a3b8; padding: 3.5px 0; }
.footer-col a:hover { color: #fff; }
.footer-about p { margin-bottom: 10px; }
.footer-contact { color: #cbd5e1; }
.footer-links { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 4px 14px; }
.footer-links a { display: inline; }
.copyright { border-top: 1px solid rgba(255,255,255,.09); padding: 15px 0; font-size: 12.5px; color: #64748b; text-align: center; }

/* ---------- 浮动元素 ---------- */
.backtop { position: fixed; right: 26px; bottom: 96px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--primary); color: #fff; font-size: 18px; cursor: pointer; opacity: 0; pointer-events: none; transition: .25s; box-shadow: var(--shadow-lg); z-index: 90; }
.backtop.show { opacity: 1; pointer-events: auto; }
.mobile-cta { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95; background: #fff; box-shadow: 0 -4px 16px rgba(0,0,0,.09); }
.mobile-cta a { flex: 1; text-align: center; padding: 12px 0; font-weight: 600; font-size: 15px; }
.mobile-cta a:first-child { color: var(--primary-deep); border-right: 1px solid var(--line); }
.mobile-cta a:last-child { background: var(--accent); color: #fff; }

/* 单页排版 */
.page-wrap { max-width: 860px; margin: 0 auto; padding: 36px 0 20px; }
.page-wrap h1 { font-size: 26px; color: var(--primary-deep); margin-bottom: 20px; padding-bottom: 14px; border-bottom: 2px solid #eff6ff; }

/* 招聘 */
.job-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 14px; }
.job-item .job-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.job-item h3 { font-size: 17px; color: var(--primary-deep); }
.job-item .job-meta { font-size: 13px; color: var(--muted); }
.job-item details { margin-top: 12px; }
.job-item summary { cursor: pointer; font-size: 14px; color: var(--primary); font-weight: 600; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .chip-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .product-hero { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
/* ---------- 手机宫格导航：彩色图标卡片 + 可展开子菜单（参照 haocrm.cn） ---------- */
.m-nav { display: none; position: fixed; left: 0; right: 0; top: 0; background: #fff; box-shadow: var(--shadow-lg); z-index: 99; padding: 14px 12px 18px; max-height: calc(100vh - 127px); overflow-y: auto; transform: translateY(-130%); transition: transform .28s; }
.m-nav.open { transform: translateY(0); }
.m-nav-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.m-nav-item { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px 6px 11px; background: #fff; border: 1px solid #eef2f7; border-radius: 12px; color: var(--ink); text-align: center; transition: transform .15s, border-color .18s, box-shadow .18s; }
.m-nav-item:active { transform: scale(.94); }
.m-nav-item.active { border-color: var(--primary); box-shadow: 0 0 0 1.5px var(--primary); }
.m-nav-ico { width: 40px; height: 40px; border-radius: 11px; background: var(--c, #2563eb); color: #fff; display: flex; align-items: center; justify-content: center; }
.m-nav-ico svg { width: 22px; height: 22px; }
.m-nav-label { font-size: 11.5px; font-weight: 600; color: var(--ink); line-height: 1.3; }
/* 手机断点：横向导航收起，汉堡按钮 + 宫格导航可用 */
@media (max-width: 1100px) {
  .nav { display: none; }
  .nav-toggle { display: block; }
  .m-nav { display: block; }
}
@media (max-width: 768px) {
  .topbar .container span:first-child { display: none; }
  .topbar .container { justify-content: center; }
  .hero-inner { padding: 56px 0 50px; min-height: 360px; }
  .hero h1, .hero .hero-title { font-size: 27px; }
  .hero-stats { gap: 26px; flex-wrap: wrap; }
  .hero-fcards { grid-template-columns: 1fr; }
  .grid-4, .grid-3, .grid-2, .chip-grid, .feature-grid, .gallery-grid { grid-template-columns: 1fr; }
  .chip-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 44px 0; }
  .article-head h1 { font-size: 21px; }
  .product-hero h1 { font-size: 24px; }
  .mobile-cta { display: flex; }
  body { padding-bottom: 46px; }
  .backtop { display: none; }
  .form-panel { padding: 26px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .cta-band { padding: 26px 22px; }
}

/* ---------- 右侧悬浮联系条 ---------- */
.float-contact { position: fixed; right: 12px; top: 50%; transform: translateY(-50%); z-index: 92; display: flex; flex-direction: column; box-shadow: var(--shadow-lg); border-radius: 8px; overflow: visible; background: var(--primary); }
.fc-item { position: relative; display: block; width: 56px; height: 56px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.18); }
.fc-item:last-child { border-bottom: 0; }
.fc-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #fff; cursor: pointer; }
.fc-icon svg { pointer-events: none; }
.fc-plus { position: absolute; right: 7px; top: 7px; font-style: normal; font-size: 13px; font-weight: 700; line-height: 1; opacity: .9; }
.fc-item:hover { background: var(--primary-dark); }
.fc-top-icon { font-size: 14px; font-weight: 700; letter-spacing: .5px; }
/* 弹出层 */
.fc-pop { position: absolute; right: 64px; top: 50%; transform: translateY(-50%) translateX(8px); width: 170px; background: #fff; color: var(--ink); border-radius: 8px; box-shadow: var(--shadow-lg); padding: 12px; text-align: center; opacity: 0; visibility: hidden; transition: .22s; pointer-events: none; }
.fc-pop::after { content: ""; position: absolute; right: -6px; top: 50%; margin-top: -6px; width: 12px; height: 12px; background: #fff; transform: rotate(45deg); }
.fc-item:hover .fc-pop, .fc-item:focus-within .fc-pop { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); pointer-events: auto; }
.fc-pop-title { font-size: 13px; font-weight: 700; color: var(--primary-deep); margin-bottom: 8px; }
.fc-pop img { display: block; margin: 0 auto; border: 1px solid var(--line); border-radius: 4px; }
.fc-wxid { font-size: 12px; color: var(--muted); margin-top: 6px; word-break: break-all; }
.fc-qr-holder { width: 130px; height: 130px; margin: 0 auto; border: 2px dashed #cbd5e1; border-radius: 4px; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--muted); font-size: 12px; line-height: 1.6; background: var(--bg); }
.fc-pop-tel .fc-tel { display: block; font-size: 19px; font-weight: 700; color: var(--primary); }
.fc-tel-note { font-size: 12px; color: var(--muted); margin-top: 6px; line-height: 1.6; }
/* 让 .fc-item 覆盖 hover 背景作用于 a 标签 */
a.fc-item:hover { color: #fff; }
@media (max-width: 767px) {
  .float-contact { display: none; }
}

/* ---------- 服务单页入口卡片 ---------- */
.service-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 18px 0 26px; }
.service-card { display: flex; flex-direction: column; gap: 4px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); transition: .2s; }
.service-card strong { color: var(--primary-deep); font-size: 15.5px; }
.service-card span { color: var(--muted); font-size: 13px; }
.service-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }

/* ---------- 内页美化：列表缩略图卡片 ---------- */
.news-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.news-thumb { display: block; width: 100%; aspect-ratio: 16 / 9; background: linear-gradient(135deg, var(--primary-deep), var(--primary)); position: relative; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s; }
.news-card:hover .news-thumb img { transform: scale(1.04); }
.news-thumb.no-img::after { content: "鹏为智能CRM"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.85); font-size: 20px; font-weight: 700; letter-spacing: 3px; }
.news-card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news-card-body h3 { font-size: 16.5px; line-height: 1.45; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-body p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-body .meta { margin-top: auto; }
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--primary); }

/* ---------- 内页美化：详情双栏布局 ---------- */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 316px; gap: 24px; align-items: start; padding: 28px 0 40px; }
.article-side { position: sticky; top: 74px; display: flex; flex-direction: column; gap: 16px; }
.side-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 16px 14px; }
.side-card h3 { font-size: 16px; color: var(--primary-deep); margin: 0 0 12px; padding-left: 10px; border-left: 3px solid var(--accent); line-height: 1.3; }
.side-cta { background: linear-gradient(150deg, var(--primary-deep), var(--primary)); border: 0; color: #fff; text-align: center; padding: 22px 16px 18px; }
.side-cta h3 { color: #fff; border-left: 0; padding-left: 0; font-size: 17px; }
.side-cta p { color: rgba(255,255,255,.85); font-size: 13px; line-height: 1.7; margin: 0 0 14px; }
.side-cta .btn { display: block; }
.side-tel { display: block; margin-top: 12px; font-size: 13px; color: rgba(255,255,255,.9); }
.side-products { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.side-product { display: flex; flex-direction: column; gap: 6px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; transition: .2s; }
.side-product:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }
.side-product img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.side-product-ph { width: 100%; aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary-deep), var(--primary)); color: rgba(255,255,255,.9); font-size: 13px; font-weight: 700; letter-spacing: 1px; }
.side-product-name { padding: 6px 9px 9px; font-size: 12.5px; color: var(--ink); line-height: 1.4; }
.side-hot { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.side-hot li { border-bottom: 1px dashed var(--line); }
.side-hot li:last-child { border-bottom: 0; }
.side-hot a { display: flex; gap: 10px; padding: 9px 2px; align-items: center; }
.side-hot-thumb { flex: 0 0 76px; width: 76px; height: 54px; border-radius: 6px; overflow: hidden; background: linear-gradient(135deg, var(--primary-deep), var(--primary)); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.9); font-size: 12px; font-weight: 700; }
.side-hot-thumb img { width: 100%; height: 100%; object-fit: cover; }
.side-hot-body { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.side-hot-body em { font-style: normal; font-size: 13.5px; color: var(--ink); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-hot a:hover em { color: var(--primary); }
.side-hot-body small { color: var(--muted); font-size: 12px; }
@media (max-width: 991px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; }
}

/* ---------- 内页美化：正文富文本排版 ---------- */
.rich-content { font-size: 15.5px; line-height: 1.9; color: var(--ink); word-break: break-word; }
.rich-content p { margin: 0 0 14px; }
.rich-content img { display: block; max-width: 100%; height: auto; margin: 18px auto; border-radius: 8px; box-shadow: var(--shadow); }
.rich-content img[style*="float"] { margin: 6px 14px; }
.rich-content h2, .rich-content h3, .rich-content h4 { color: var(--primary-deep); line-height: 1.5; margin: 26px 0 12px; }
.rich-content h2 { font-size: 20px; }
.rich-content h3 { font-size: 17.5px; padding-left: 10px; border-left: 4px solid var(--accent); }
.rich-content ul, .rich-content ol { margin: 0 0 14px; padding-left: 24px; }
.rich-content li { margin-bottom: 6px; }
.rich-content blockquote { margin: 16px 0; padding: 12px 16px; background: #eff6ff; border-left: 4px solid var(--primary); border-radius: 0 8px 8px 0; color: #1e40af; }
.rich-content table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.rich-content th, .rich-content td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; line-height: 1.6; }
.rich-content th { background: var(--primary-deep); color: #fff; font-weight: 600; white-space: nowrap; }
.rich-content tr:nth-child(even) td { background: #f8fafc; }
.rich-content tr:hover td { background: #eff6ff; }
.rich-content strong { color: var(--primary-deep); }
.rich-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 产品页三列资讯（行业方案/操作技巧/常见问题） ---------- */
.tri-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.tri-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; box-shadow: var(--shadow); }
.tri-head { display: flex; align-items: center; gap: 10px; padding-bottom: 12px; margin-bottom: 6px; border-bottom: 2px solid var(--line); }
.tri-head h3 { margin: 0; font-size: 17px; color: var(--primary-deep); }
.tri-ico { width: 34px; height: 34px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.tri-ico svg { width: 19px; height: 19px; }
.ico-blue { background: #e8f0fe; color: #1d4ed8; }
.ico-green { background: #e6f7ee; color: #0f9960; }
.ico-orange { background: #fff3e6; color: #e97e1b; }
.tri-more { margin-left: auto; font-size: 13px; color: #94a3b8; text-decoration: none; white-space: nowrap; }
.tri-more:hover { color: var(--primary); }
.tri-rows { display: block; }
.tri-row { display: block; position: relative; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 11px 34px 11px 14px; margin-bottom: 10px; font-size: 14px; font-weight: 600; color: var(--primary-deep); text-decoration: none; transition: border-color .15s, color .15s; }
.tri-row::after { content: "›"; position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: #b6c2d2; font-weight: 700; }
.tri-row:hover { border-color: var(--primary); color: var(--primary); }
.tri-faq .faq-item { margin-bottom: 10px; border-radius: 8px; }
.tri-faq .faq-item summary { padding: 11px 34px 11px 14px; font-size: 14px; }
.tri-faq .faq-item summary::after { right: 14px; font-size: 17px; }
.tri-faq .faq-a { padding: 0 14px 12px; font-size: 13.5px; }
@media (max-width: 960px) { .tri-grid { grid-template-columns: 1fr; } }

/* ---------- 详情页 上一篇/下一篇（站内内链） ---------- */
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 28px 0 6px; }
.pn-item { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; transition: border-color .15s; }
.pn-item:hover { border-color: var(--primary); }
.pn-item a, .pn-item .pn-none { display: block; padding: 12px 16px; text-decoration: none; }
.pn-next { text-align: right; }
.pn-item > a > span, .pn-none > span { display: block; font-size: 12px; color: #94a3b8; margin-bottom: 3px; }
.pn-item em { display: block; font-style: normal; font-size: 14.5px; font-weight: 600; color: var(--primary-deep); }
.pn-item a:hover em { color: var(--primary); }
.pn-none em { color: #b6c2d2; font-weight: 400; }

/* ---------- 案例页咨询条 ---------- */
.case-contact { margin-top: 18px; padding: 18px 20px; background: #f5f9ff; border: 1px solid #e2ecfb; border-radius: 12px; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.case-contact strong { display: block; font-size: 16px; color: var(--primary-deep); margin-bottom: 3px; }
.case-contact > div > span { font-size: 13.5px; color: #64748b; }
.case-contact-act { display: flex; align-items: center; gap: 14px; flex: none; }
.case-tel { font-size: 14px; font-weight: 600; color: var(--primary); }
@media (max-width: 700px) {
  .post-nav { grid-template-columns: 1fr; }
  .pn-next { text-align: left; }
  .case-contact-act { flex: 1; }
}

/* ---------- 服务支持页 hero 与图标卡 ---------- */
.page-hero { background: #f5f9ff; border-bottom: 1px solid #e2ecfb; text-align: center; padding: 46px 0 42px; }
.page-hero h1 { font-size: 30px; color: var(--primary-deep); margin: 0 0 8px; }
.page-hero p { color: #64748b; font-size: 14.5px; margin: 0; }
.service-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin: 20px 0 26px; }
.service-card { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 7px; padding: 22px 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: #fff; transition: .2s; }
.service-card .tri-ico { width: 42px; height: 42px; margin-bottom: 4px; }
.service-card .tri-ico svg { width: 22px; height: 22px; }
.service-card strong { color: var(--primary-deep); font-size: 15.5px; }
.service-card span { color: var(--muted); font-size: 13px; }
.service-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-3px); }
.ico-purple { background: #f1ecfe; color: #7c3aed; }

/* ---------- FAQ 全局升级：Q 徽标 + 卡片化 ---------- */
.faq-list { display: grid; grid-template-columns: 1fr; gap: 12px; max-width: 880px; margin: 0 auto; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; align-items: start; max-width: 1080px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 0; overflow: hidden; transition: border-color .15s; }
.faq-item:hover { border-color: var(--primary); }
.faq-item summary { cursor: pointer; padding: 14px 44px 14px 16px; font-weight: 600; color: var(--primary-deep); font-size: 15px; list-style: none; position: relative; display: flex; align-items: center; gap: 10px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "Q"; flex: none; width: 24px; height: 24px; border-radius: 50%; background: #e8f0fe; color: var(--primary); font-size: 13px; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; }
.faq-item summary::after { content: "+"; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 20px; color: var(--primary); transition: .2s; }
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] summary::before { background: var(--primary); color: #fff; }
.faq-list .faq-a, .faq-grid .faq-a { padding: 0 20px 15px 50px; color: #475569; font-size: 14px; line-height: 1.75; }
/* 产品页三列里的小 FAQ 保持紧凑 */
.tri-faq .faq-item { border-radius: 8px; }
.tri-faq .faq-item summary { padding: 10px 34px 10px 10px; gap: 8px; font-size: 13.5px; }
.tri-faq .faq-item summary::before { width: 18px; height: 18px; font-size: 11px; }
.tri-faq .faq-item summary::after { right: 12px; font-size: 16px; }
.tri-faq .faq-a { padding: 0 14px 12px 38px; font-size: 13px; }
@media (max-width: 820px) { .faq-grid { grid-template-columns: 1fr; } }

/* ---------- 产品卡片（首页 / 产品中心共用） ---------- */
.prod-card { position: relative; display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 20px; color: var(--ink); transition: .22s; }
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #bfdbfe; color: var(--ink); }
.prod-head { display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px 5px 6px; border-radius: 999px; margin-bottom: 8px; align-self: flex-start; }
.prod-ico { width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: none; background: currentColor; font-size: 14px; font-weight: 800; }
.prod-ico svg { width: 15px; height: 15px; color: #fff; stroke: #fff; }
.prod-badge { font-size: 12.5px; font-weight: 800; letter-spacing: .05em; }
.prod-card h3 { font-size: 21px; color: var(--primary-deep); margin-bottom: 6px; line-height: 1.3; }
.prod-card p { font-size: 13px; color: var(--muted); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.prod-card .card-link { display: inline-block; margin-top: auto; padding-top: 14px; font-size: 13px; font-weight: 600; color: var(--primary); }

/* 图标配色（浅底深字，与全站卡片色系一致） */
.tone-blue { background: #eff6ff; color: #2563eb; }
.tone-purple { background: #f5f3ff; color: #7c3aed; }
.tone-orange { background: #fff7ed; color: #ea580c; }
.tone-green { background: #ecfdf5; color: #059669; }
.tone-cyan { background: #ecfeff; color: #0891b2; }
.tone-teal { background: #f0fdfa; color: #0d9488; }
.tone-indigo { background: #eef2ff; color: #4f46e5; }
.tone-rose { background: #fff1f2; color: #e11d48; }
.tone-slate { background: #f8fafc; color: #475569; }

/* ---------- 首页内容三栏（新闻中心 / 鹏为思想 / 操作技巧） ---------- */
.col-card { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 20px 14px; transition: .22s; }
.col-card:hover { box-shadow: var(--shadow); border-color: #dbeafe; }
.col-head { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid #eef2f7; }
.col-ico { width: 40px; height: 40px; border-radius: 11px; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.col-ico svg { width: 21px; height: 21px; }
.col-head-t { min-width: 0; }
.col-head-t h2 { font-size: 17px; color: var(--primary-deep); margin: 0 0 3px; line-height: 1.3; }
.col-head-t p { font-size: 12.5px; color: var(--muted); margin: 0; }
.col-list { flex: 1; }
.nc-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 8px; margin: 0 -8px; border-radius: 9px; color: var(--ink); transition: .18s; }
.nc-item:hover { background: #f7faff; color: var(--ink); }
.nc-date { flex: none; width: 46px; text-align: center; font-size: 11px; color: #94a3b8; background: #f6f9ff; border-radius: 9px; padding: 6px 0 5px; line-height: 1.3; }
.nc-date b { display: block; font-size: 14px; color: var(--primary); font-weight: 700; }
.nc-body { min-width: 0; }
.nc-body h3 { font-size: 14.5px; line-height: 1.5; font-weight: 600; color: #1e293b; margin: 0 0 4px; min-height: 43px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: .18s; }
.nc-item:hover .nc-body h3 { color: var(--primary); }
.nc-body p { font-size: 12.5px; line-height: 1.5; color: var(--muted); margin: 0; min-height: 19px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.nc-empty { font-size: 13.5px; color: var(--muted); padding: 16px 8px; margin: 0; }
.col-foot { margin-top: 10px; padding-top: 12px; border-top: 1px solid #eef2f7; text-align: center; }
.col-foot a { font-size: 13.5px; font-weight: 600; color: var(--primary); }
.col-foot a:hover { text-decoration: underline; }
@media (max-width: 768px) { .col-card { padding: 18px 16px 12px; } }

/* ---------- 行业方案卡（行业方案列表页） ---------- */
.sol-card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 20px 22px; color: var(--ink); transition: .22s; }
.sol-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #bfdbfe; color: var(--ink); }
.sol-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.sol-ico { flex: none; width: 40px; height: 40px; border-radius: 11px; background: #eff6ff; color: var(--primary); font-size: 18px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.sol-head h3 { flex: 1; min-width: 0; font-size: 15.5px; line-height: 1.4; color: var(--primary-deep); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sol-link { flex: none; font-size: 13px; font-weight: 700; color: var(--primary); white-space: nowrap; transition: .18s; }
.sol-card:hover .sol-link { color: var(--primary-dark); }
.sol-summary { font-size: 13px; line-height: 1.7; color: var(--muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; min-height: 66px; }
@media (max-width: 768px) { .sol-head { gap: 10px; } .sol-link { font-size: 12.5px; } }

/* ---------- 顶部二级菜单（AI 大全等有 children 的栏目） ---------- */
.nav-item { position: relative; display: flex; align-items: center; }
.nav-item > a { display: inline-flex; align-items: center; gap: 3px; }
.nav-item .caret { font-size: 11px; opacity: .6; transition: transform .18s; }
.nav-item.has-sub:hover .caret { transform: rotate(180deg); }
.nav-sub { position: absolute; top: 100%; left: 0; min-width: 140px; padding: 8px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transform: translateY(6px); transition: opacity .18s, transform .18s; z-index: 200; }
.nav-item.has-sub:hover .nav-sub, .nav-item.has-sub:focus-within .nav-sub { opacity: 1; pointer-events: auto; transform: translateY(0); }
.nav-sub a { display: block; padding: 8px 12px; font-size: 14px; border-radius: 6px; }
.nav-sub a:hover { background: #eff6ff; color: var(--primary); }

/* ---------- AI 大全：通用 4 段 ---------- */
.ai-page { padding: 28px 0 56px; }
.ai-hero { background: linear-gradient(135deg, #1a56db 0%, #4338ca 50%, #6d28d9 100%); color: #fff; padding: 38px 0 44px; margin-bottom: 32px; position: relative; overflow: hidden; }
.ai-hero::after { content: ''; position: absolute; right: -80px; top: -40px; width: 280px; height: 280px; border-radius: 50%; background: rgba(255,255,255,.08); }
.ai-hero h1 { color: #fff; font-size: 30px; margin-bottom: 10px; position: relative; z-index: 2; }
.ai-hero p { color: rgba(255,255,255,.86); max-width: 780px; line-height: 1.75; position: relative; z-index: 2; }
.ai-hero .quick-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; position: relative; z-index: 2; }
.ai-hero .quick-tabs a { padding: 7px 14px; border-radius: 16px; background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.28); font-size: 13.5px; transition: .18s; }
.ai-hero .quick-tabs a:hover { background: rgba(255,255,255,.3); border-color: #fbbf24; color: #fff; }
.ai-hero .quick-tabs a.active { background: #fff; color: #1a56db; border-color: #fbbf24; font-weight: 700; }

/* ---------- AI 工具：5 榜分段 ---------- */
.ai-rank { margin-bottom: 36px; }
.ai-rank-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.ai-rank-head h2 { font-size: 22px; color: var(--primary-deep); margin: 0; }
.ai-rank-head .ai-rank-sub { font-size: 13.5px; color: var(--muted); }
.ai-ranks-wrap { display: flex; flex-direction: column; gap: 20px; }
.ai-tool-card { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; transition: .2s; color: var(--ink); cursor: pointer; }
.ai-tool-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: #fbbf24; color: var(--ink); text-decoration: none; }
.ai-tool-card .at-rank { flex: none; width: 32px; height: 32px; border-radius: 9px; background: #f1f5f9; color: var(--muted); font-size: 15px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.ai-tool-card.rank-1 .at-rank { background: linear-gradient(135deg, #facc15, #f59e0b); color: #fff; }
.ai-tool-card.rank-2 .at-rank { background: linear-gradient(135deg, #e2e8f0, #cbd5e1); color: #1e293b; }
.ai-tool-card.rank-3 .at-rank { background: linear-gradient(135deg, #fde68a, #d97706); color: #fff; }
.ai-tool-card .at-ico { flex: none; width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.ai-tool-card .at-info { flex: 1; min-width: 0; }
.ai-tool-card .at-name { font-size: 15.5px; font-weight: 700; color: var(--primary-deep); margin: 0 0 4px; display: flex; align-items: center; gap: 8px; }
.ai-tool-card .at-name .at-tag { font-size: 11.5px; padding: 2px 7px; border-radius: 10px; background: #fef3c7; color: #b45309; font-weight: 700; }
.ai-tool-card .at-desc { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ai-tool-card .at-arrow { flex: none; color: var(--primary); font-size: 18px; opacity: .5; transition: .2s; }
.ai-tool-card:hover .at-arrow { opacity: 1; transform: translateX(3px); }

/* ---------- AI 工具：精品榜 4 列卡片 ---------- */
.ai-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 980px) { .ai-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .ai-grid-4 { grid-template-columns: 1fr; } }
.ai-feat-card { display: block; padding: 18px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; color: var(--ink); transition: .22s; }
.ai-feat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: #fbbf24; color: var(--ink); }
.ai-feat-card .ai-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.ai-feat-card .ai-head .ai-ico { flex: none; width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.ai-feat-card h3 { font-size: 17px; color: var(--primary-deep); margin: 0 0 6px; }
.ai-feat-card p { font-size: 13px; color: var(--muted); line-height: 1.6; margin: 0 0 8px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ai-feat-card .ai-tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.ai-feat-card .ai-tag-row span { font-size: 11.5px; padding: 2px 8px; border-radius: 10px; background: #f1f5f9; color: var(--muted); }
.ai-feat-card.is-hot { border-color: #fde68a; }

/* ---------- AI 视频：列表网格 ---------- */
.ai-video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 980px) { .ai-video-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .ai-video-grid { grid-template-columns: 1fr; } }
.ai-video { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; transition: .22s; cursor: pointer; }
.ai-video:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: #fbbf24; }
.ai-video .av-cover { position: relative; aspect-ratio: 16/9; background: #0f172a; overflow: hidden; }
.ai-video .av-cover img { width: 100%; height: 100%; object-fit: cover; }
.ai-video .av-cover .av-play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.ai-video .av-cover .av-play span { width: 54px; height: 54px; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--primary-deep); font-size: 22px; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(0,0,0,.3); transition: transform .2s; }
.ai-video:hover .av-play span { transform: scale(1.1); background: #fbbf24; color: #1e293b; }
.ai-video .av-cover .av-dur { position: absolute; right: 8px; bottom: 8px; padding: 2px 8px; border-radius: 8px; background: rgba(0,0,0,.65); color: #fff; font-size: 12px; }
.ai-video .av-cover .av-fallback { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #cbd5e1; font-size: 13px; }
.ai-video .av-info { padding: 14px 16px 16px; }
.ai-video .av-info h3 { font-size: 16px; color: var(--primary-deep); margin: 0 0 6px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ai-video .av-info p { font-size: 13px; color: var(--muted); line-height: 1.6; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- AI 视频播放器弹层 ---------- */
.av-modal { position: fixed; inset: 0; background: rgba(15,23,42,.82); display: none; align-items: center; justify-content: center; z-index: 9999; padding: 24px; }
.av-modal.open { display: flex; }
.av-modal .av-modal-inner { width: 100%; max-width: 960px; background: #000; border-radius: 14px; overflow: hidden; box-shadow: 0 20px 80px rgba(0,0,0,.55); }
.av-modal video { width: 100%; height: auto; max-height: 80vh; display: block; background: #000; }
.av-modal .av-modal-close { position: absolute; top: 16px; right: 24px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.16); border: 0; color: #fff; font-size: 22px; cursor: pointer; }

/* ---------- 操作技巧：4 分类 Tab（频道页） ---------- */
.skill-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 22px; padding: 8px; background: #f1f5f9; border-radius: 14px; }
.skill-tabs a { padding: 8px 18px; border-radius: 10px; font-size: 14px; font-weight: 600; color: var(--muted); transition: .18s; }
.skill-tabs a:hover { background: #fff; color: var(--primary); }
.skill-tabs a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(26,86,219,.3); }

/* ---------- 首页：操作技巧按分类分组 ---------- */
.skills-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.skills-tabs span { font-size: 13px; padding: 5px 12px; border-radius: 12px; background: #eff6ff; color: var(--primary); font-weight: 600; }
.skills-cat-row { margin-bottom: 22px; }
.skills-cat-row h3 { font-size: 16px; color: var(--primary-deep); margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.skills-cat-row h3 small { font-size: 12.5px; color: var(--muted); font-weight: 400; }
.skills-cat-row ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 22px; }
.skills-cat-row ul li { font-size: 13.5px; color: #475569; line-height: 1.5; list-style: none; }
.skills-cat-row ul li a { color: #334155; }
.skills-cat-row ul li a:hover { color: var(--primary); }