/* ============ 北京京信服科技官网样式（深蓝 + 生态绿） ============ */
:root {
  --blue: #1D4ED8;
  --blue-deep: #081A33;
  --blue-soft: #eef4ff;
  --cyan: #16a34a;
  --grad: linear-gradient(100deg, #1D4ED8 0%, #3B82F6 55%, #16a34a 120%);
  --text: #202a3f;
  --text-2: #5c6b8a;
  --bg-gray: #f5f7fb;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(20, 50, 120, .08);
  --shadow-hover: 0 14px 38px rgba(20, 50, 140, .14);
  --container: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text); background: #fff; font-size: 15px; line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section.gray { background: var(--bg-gray); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 28px; border-radius: 999px; font-size: 15px; font-weight: 500;
  cursor: pointer; border: 0; transition: all .25s; white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(29, 78, 216, .28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(29, 78, 216, .38); }
.btn-ghost { background: rgba(255, 255, 255, .16); color: #fff; border: 1px solid rgba(255, 255, 255, .5); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .3); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-outline { border: 1.5px solid var(--blue); color: var(--blue); background: #fff; }
.btn-outline:hover { background: var(--blue-soft); }
/* ---------- 顶部工具条 ---------- */
.topbar { background: var(--blue-deep); color: #aebddf; font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 34px; }
.topbar a { color: #fff; }
.topbar .hot { color: #86efac; font-weight: 600; }
/* ---------- 主导航（参考千寻智能：fixed 透明起步 / 胶囊导航 / 双层文字逐字上滚） ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: linear-gradient(180deg, rgba(4, 9, 28, .6), rgba(4, 9, 28, 0));
  transition: background-color .35s ease, box-shadow .35s ease;
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.header.scrolled {
  background: rgba(6, 12, 30, .88);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 2px 18px rgba(0, 0, 0, .35);
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 50px; width: auto; }
.logo-txt { display: flex; flex-direction: column; line-height: 1.25; }
.logo-txt b { font-size: 21px; font-weight: 700; color: #eef4ff; letter-spacing: 2px; }
.logo-txt i { font-style: normal; font-size: 11px; color: #8ba2c9; letter-spacing: 1px; transform-origin: left; transform: scale(.92); }
.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  display: inline-flex; align-items: center; padding: 9px 16px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: #aebbdd; cursor: pointer;
  transition: color .3s cubic-bezier(1, -.01, 0, 1), background-color .3s cubic-bezier(1, -.01, 0, 1);
}
.nav a:hover { color: #4d6aff; }
.nav a.on, .nav a.on:hover { color: #fff; background-color: #4d6aff; }
/* 双层文字逐字上滚：hover 时 before 上移淡出、after 自下滚入（span 延迟由 JS 内联 30ms/字） */
.nav a .nt { position: relative; display: inline-block; overflow: hidden; line-height: 1.5; }
.nav a .ltr { display: flex; transition: transform .32s cubic-bezier(1, -.01, 0, 1); }
.nav a .ltr span { display: block; transition: opacity .32s cubic-bezier(1, -.01, 0, 1); }
.nav a .ltr.a { position: absolute; left: 0; top: 100%; color: #4d6aff; }
.nav a .ltr.a span { opacity: 0; }
.nav a.on .ltr.a { color: #fff; }
.nav a:hover .ltr.b { transform: translateY(-100%); }
.nav a:hover .ltr.b span { opacity: 0; }
.nav a:hover .ltr.a { transform: translateY(-100%); }
.nav a:hover .ltr.a span { opacity: 1; }
.nav .nav-cta { margin-left: 14px; }
.nav .nav-cta .btn { padding: 9px 24px; }
.hamburger { display: none; margin-left: auto; background: none; border: 0; font-size: 24px; color: #e8efff; cursor: pointer; }
/* 移动抽屉标题行（桌面横向导航中不显示） */
.nav-head { display: none; }
/* 抽屉打开时锁定背景滚动（closeNav/toggleNav 维护） */
body.nav-open { overflow: hidden; }
/* ---------- 页脚 ---------- */
.footer {
  position: relative; color: #9fb0d6; font-size: 13.5px;
  background: linear-gradient(180deg, #0a1d47 0%, #071531 100%);
}
.footer::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad); opacity: .9; }
.footer h4 { color: #e8f0ff; font-size: 15px; letter-spacing: 1px; margin-bottom: 16px; position: relative; padding-bottom: 10px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 22px; height: 2px; background: var(--cyan); border-radius: 2px; }
.footer .brand { align-self: center; }
.footer .f-name { display: block; color: #fff; font-size: 19px; font-weight: 700; letter-spacing: 2px; line-height: 1.5; }
.footer .top { padding: 56px 0 36px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; font-weight: 600; }
.footer ul li { margin-bottom: 9px; }
.footer ul a:hover { color: #fff; }
.footer .contact li { display: flex; gap: 8px; margin-bottom: 12px; align-items: flex-start; }
.footer .contact b { color: #86efac; font-weight: 600; flex: none; }
.footer .contact a.plink { color: #fff; }
.footer .contact a.plink:hover { color: #86efac; text-decoration: underline; }
.footer .contact li { line-height: 1.7; word-break: break-word; }
.footer .bottom { border-top: 1px solid rgba(255, 255, 255, .09); padding: 16px 0; text-align: center; font-size: 12.5px; color: #6f82ab; }
.footer .bottom a:hover { color: #fff; }
/* 备案信息行（页脚：ICP 备案 + 公安联网备案，均为「图标 + 编号」；
   编号颜色提亮到 #9fb4dc，便于管局备案号悬挂核验时清晰可辨） */
.beian-link { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; color: #9fb4dc; }
.beian-link:hover { color: #fff; }
.beian-link .beian-ico { width: 14px; height: 14px; flex: none; display: inline-block; }
.beian-link .gn-logo { width: 15px; height: auto; flex: none; display: inline-block; }
/* ---------- Hero 轮播 ---------- */
.hero { position: relative; height: calc(100vh - 74px); height: calc(100svh - 74px); min-height: 560px; overflow: hidden; color: #fff; }
.hero .slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .9s ease; pointer-events: none;
  display: flex; align-items: center;
}
.hero .slide.active { opacity: 1; pointer-events: auto; }
.hero .bg { position: absolute; inset: 0; overflow: hidden; }
.hero .bg .grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 30% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 90% at 30% 40%, #000 30%, transparent 75%);
}
.hero .bg .glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; }
.hero .g1 { width: 520px; height: 520px; background: #3B82F6; top: -160px; right: 8%; }
.hero .g2 { width: 420px; height: 420px; background: #16a34a; bottom: -180px; left: -90px; opacity: .4; }
.hero .bg.grad1 { background: linear-gradient(120deg, #081A33 0%, #0C2B5C 52%, #0f57c8 100%); }
.hero .bg.grad2 { background: linear-gradient(120deg, #071433 0%, #0d2c78 48%, #1358d0 100%); }
.hero .bg.grad3 { background: linear-gradient(120deg, #08203f 0%, #0e3f7d 55%, #0f7bbf 100%); }
/* --- 图片背景层（轮播酷炫底图） --- */
.hero .bgimg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transform: scale(1.05); animation: bgDrift 16s ease-in-out infinite alternate;
}
@keyframes bgDrift { to { transform: scale(1.13) translateX(-1.6%); } }
.hero .shade {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(5, 14, 38, .84) 0%, rgba(7, 22, 60, .58) 45%, rgba(9, 28, 76, .34) 100%);
}
/* --- 居中排版轮播 --- */
.hero .slide.ctr .inner { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.hero .slide.ctr h1 { margin-left: auto; margin-right: auto; text-shadow: 0 4px 24px rgba(0, 20, 60, .45); }
.hero .slide.ctr .sub { margin-left: auto; margin-right: auto; text-shadow: 0 2px 12px rgba(0, 20, 60, .4); }
.hero .slide.ctr .cta { justify-content: center; }
/* --- 左右切换箭头 --- */
.hero-arrow {
  position: absolute; z-index: 6; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .07); color: #fff; font-size: 30px; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px); transition: all .25s; font-family: Arial, sans-serif; padding-bottom: 4px;
}
.hero-arrow:hover { background: rgba(255, 255, 255, .22); border-color: rgba(255, 255, 255, .55); }
.hero-arrow.prev { left: 30px; }
.hero-arrow.next { right: 118px; }
/* --- 炫酷视觉层：旋转极光 + 扫光 + 粒子 --- */
.hero .hero-particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero .aurora {
  position: absolute; z-index: 1; border-radius: 50%; pointer-events: none; opacity: .5;
  filter: blur(46px); mix-blend-mode: screen; will-change: transform;
}
.hero .a1 {
  width: 760px; height: 760px; right: -180px; top: -260px;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(46,197,232,.55) 70deg, rgba(29,78,216,.5) 150deg, transparent 220deg);
  animation: auroraSpin 16s linear infinite;
}
.hero .a2 {
  width: 620px; height: 620px; left: -200px; bottom: -280px;
  background: conic-gradient(from 180deg, transparent 0deg, rgba(87,140,255,.5) 90deg, rgba(46,197,232,.4) 170deg, transparent 260deg);
  animation: auroraSpin 22s linear infinite reverse;
}
@keyframes auroraSpin { to { transform: rotate(360deg); } }
.hero .beam {
  position: absolute; z-index: 1; top: -20%; left: -30%; width: 46%; height: 150%; pointer-events: none;
  background: linear-gradient(100deg, transparent 0%, rgba(255,255,255,.10) 45%, rgba(127,214,255,.16) 50%, rgba(255,255,255,.10) 55%, transparent 100%);
  transform: skewX(-18deg);
  animation: beamSweep 7.5s ease-in-out infinite;
}
@keyframes beamSweep {
  0% { left: -46%; opacity: 0; }
  12% { opacity: 1; }
  55% { opacity: .9; }
  70%, 100% { left: 118%; opacity: 0; }
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 110px; z-index: 3; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(10, 30, 70, .28));
}
.hero .inner { position: relative; z-index: 2; width: 100%; }
.hero .tag {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border-radius: 999px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22);
  font-size: 13px; margin-bottom: 22px; letter-spacing: 1px;
}
.hero .tag::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #57e6a4; box-shadow: 0 0 8px #57e6a4; }
.hero h1 { font-size: 44px; font-weight: 700; line-height: 1.35; max-width: 800px; letter-spacing: 1px; margin-bottom: 16px; }
.hero .sub { font-size: 18px; color: #cfe0ff; margin-bottom: 34px; max-width: 720px; }
.hero .cta { display: flex; gap: 16px; }
.hero .dots { position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); display: flex; gap: 10px; z-index: 5; }
.hero .dots i { width: 26px; height: 4px; border-radius: 4px; background: rgba(255,255,255,.35); cursor: pointer; transition: all .3s; }
.hero .dots i.on { background: #fff; width: 40px; }
/* ---------- 深信服风格波浪背景区块 ---------- */
.section.wave {
  background: #fff url("../images/sf-wave.jpg") no-repeat center bottom / cover;
}
/* ---------- 通用 feat 网格 ---------- */
.feat-grid .feat {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 12px;
  padding: 16px 18px; transition: all .25s;
}
.feat-grid .feat:hover { background: rgba(255,255,255,.11); transform: translateY(-3px); }
.feat-grid .feat b { display: flex; align-items: center; gap: 8px; color: #fff; font-size: 15px; margin-bottom: 6px; }
.feat-grid .feat b::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 8px #16a34a; flex: none; }
.feat-grid .feat span { font-size: 12.8px; color: #b7c9ec; line-height: 1.7; display: block; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 1080px; margin: 0 auto; }
.feat-grid.col3, .feat-grid { grid-template-columns: repeat(3, 1fr); }
.feat-grid.col2 { grid-template-columns: repeat(2, 1fr); }
.feat-grid .feat { background: #fff; border: 1px solid #e8eefb; border-radius: 14px; }
.feat-grid .feat b { color: var(--blue-deep); }
.feat-grid .feat b::before { background: var(--grad); box-shadow: none; }
.feat-grid .feat span { color: var(--text-2); }
/* 能力详情页 */
.cap-items { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; padding-bottom: 24px; border-bottom: 1px solid #eef2fa; }
.cap-items span { background: var(--blue-soft); color: var(--blue); font-size: 13px; padding: 6px 16px; border-radius: 999px; font-weight: 500; }
.detail-blocks .d-block { margin-bottom: 28px; }
.detail-blocks .d-block h3 { font-size: 18px; color: var(--blue-deep); margin-bottom: 8px; padding-left: 12px; border-left: 4px solid var(--blue); line-height: 1.4; }
.detail-blocks .d-block p { color: #3d4a66; font-size: 14.8px; text-align: justify; }
.rel-nav { display: flex; gap: 16px; justify-content: center; margin-top: 30px; }
/* ---------- 区块标题 ---------- */
.sec-head { text-align: center; margin-bottom: 48px; }
.sec-head .en { font-size: 12px; letter-spacing: 5px; color: var(--blue); text-transform: uppercase; font-weight: 600; margin-bottom: 8px; }
.sec-head h2 { font-size: 32px; font-weight: 700; color: var(--blue-deep); }
.sec-head h2 i { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sec-head p { color: var(--text-2); margin-top: 12px; font-size: 15px; }
/* ---------- 数据大屏 ---------- */
.stat-band { background: linear-gradient(120deg, #081A33, #0C2B5C 60%, #1D4ED8); color: #fff; padding: 54px 0; }
.stat-band .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-band .item .num { font-size: 52px; font-weight: 800; font-family: "DIN Alternate", Arial; background: linear-gradient(180deg, #fff, #86EFAC); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-band .item .num i { font-style: normal; font-size: 30px; margin-left: 2px; }
.stat-band .item .lab { margin-top: 6px; color: #9db4e0; font-size: 15px; letter-spacing: 2px; }
/* ---------- 能力卡片 ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  background: #fff; border-radius: var(--radius); padding: 30px 26px;
  border: 1px solid #e8eefb; transition: all .3s; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.card .ico {
  width: 54px; height: 54px; border-radius: 14px; margin-bottom: 18px;
  background: linear-gradient(135deg, #e6f0ff, #d9f7fd); display: flex; align-items: center; justify-content: center;
}
.card .ico svg { width: 28px; height: 28px; }
.card h3 { font-size: 19px; margin-bottom: 8px; color: var(--blue-deep); }
.card .d { color: var(--text-2); font-size: 13.5px; margin-bottom: 14px; }
.card ul li { font-size: 13.5px; color: var(--text-2); padding-left: 16px; position: relative; margin-bottom: 6px; }
.card ul li::before { content: ""; position: absolute; left: 2px; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }
.card .more { margin-top: 16px; display: inline-flex; align-items: center; gap: 4px; color: var(--blue); font-size: 13.5px; font-weight: 500; }
.card .more::after { content: "→"; transition: transform .25s; }
.card:hover .more::after { transform: translateX(4px); }
/* ---------- 品牌墙：双品牌并排放大 ---------- */
.brand-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
.brand-card { background: #fff; border-radius: 20px; padding: 44px 40px; box-shadow: var(--shadow); border: 1px solid #e8eefb; }
.brand-card h3 { font-size: 30px; color: var(--blue-deep); margin-bottom: 8px; }
.brand-card .intro { color: var(--text-2); margin-bottom: 24px; border-left: 3px solid var(--cyan); padding-left: 14px; font-size: 15px; line-height: 1.9; }
.brand-card .prods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.brand-card .prods span,
.brand-card .prods a.prod-link {
  display: block; background: var(--bg-gray); border-radius: 10px; padding: 13px 16px; font-size: 14.5px;
  border-left: 3px solid transparent; transition: all .25s; color: var(--text-1); text-decoration: none;
  position: relative; cursor: pointer;
}
.brand-card .prods span:hover,
.brand-card .prods a.prod-link:hover { border-left-color: var(--blue); background: var(--blue-soft); color: var(--blue-deep); }
@media (max-width: 980px) { .brand-duo { grid-template-columns: 1fr; } }
/* 新品角标 */
.new-badge {
  display: inline-block; font-style: normal; font-size: 10.5px; font-weight: 700; letter-spacing: .5px;
  color: #fff; background: linear-gradient(100deg, #ff5f2e, #ff8a00); border-radius: 6px;
  padding: 2px 7px; margin-right: 8px; vertical-align: 2px; line-height: 1.5;
  animation: newPulse 2.2s ease-in-out infinite;
}
@keyframes newPulse { 0%,100% { opacity: 1; } 50% { opacity: .68; } }
/* 新品角标：固定在条目框右上角（贴合圆角），不占正文空间；产品名单行省略，排版更整齐 */
.brand-card .prods a.prod-link,
.brand-card .prods span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-card .prods a.prod-link.is-new { padding-right: 16px; }
.brand-card .prods a.prod-link .new-badge {
  position: absolute; top: 0; right: 0; margin: 0;
  padding: 2px 9px 3px; font-size: 10px; line-height: 1.4;
  border-radius: 0 10px 0 10px;
  animation: newPulse 2.2s ease-in-out infinite;
}
/* 产品详情页面包屑 */
.prod-crumb { background: #fff; border-bottom: 1px solid #eef2fa; padding: 14px 0; }
.prod-crumb .container { display: flex; align-items: center; gap: 18px; font-size: 13.5px; }
.prod-crumb a { color: var(--blue); text-decoration: none; font-weight: 600; }
.prod-crumb a:hover { text-decoration: underline; }
.prod-crumb span { color: var(--text-2); }
/* 产品详情页简介 */
.detail-card .p-intro { font-size: 15px; line-height: 2.1; color: #2c3a58; text-align: justify; }
.detail-card { max-width: 980px; margin: 0 auto; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
/* ---------- 方案 ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.sol-card { background: #fff; border-radius: var(--radius); padding: 28px; border: 1px solid #e8eefb; transition: all .3s; display: flex; flex-direction: column; }
.sol-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.sol-card .cate {
  display: inline-block; align-self: flex-start; font-size: 12px; padding: 3px 12px; border-radius: 999px;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 14px; font-weight: 500;
}
a.sol-card { text-decoration: none; color: inherit; cursor: pointer; }
.sol-card h3 { font-size: 18.5px; color: var(--blue-deep); margin-bottom: 10px; }
.sol-card p { color: var(--text-2); font-size: 13.8px; flex: 1; }
.sol-card .more { margin-top: 16px; color: var(--blue); font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 4px; }
.sol-card .more i { font-style: normal; transition: transform .25s; }
.sol-card:hover .more i { transform: translateX(4px); }
/* 方案详情页 */
.detail-card .sol-sum { font-size: 15px; line-height: 2; color: #2c3a58; background: var(--blue-soft); border-left: 3px solid var(--blue); border-radius: 10px; padding: 16px 20px; margin-bottom: 26px; text-align: justify; }
/* 联系页：公众号 */
.wx-box {
  display: flex; gap: 14px; align-items: center; background: #fff; border: 1px solid #e8eefb;
  border-radius: var(--radius); padding: 14px 18px; margin-top: 20px;
}
.wx-box img { width: 68px; height: 68px; border-radius: 8px; flex: none; border: 1px solid #eef2fa; }
.wx-box span { font-size: 13px; color: var(--text-2); line-height: 1.9; }
/* ---------- 案例 ---------- */
.industry-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; }
.industry-tabs button { padding: 9px 26px; border-radius: 999px; border: 1px solid #dbe4f5; background: #fff; font-size: 15px; cursor: pointer; color: var(--text-2); transition: all .25s; font-family: inherit; }
.industry-tabs button.on { background: var(--blue-deep); color: #fff; border-color: var(--blue-deep); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-item { display: none; }
.case-item.on { display: block; }
.case-card { background: #fff; border-radius: var(--radius); padding: 26px; border: 1px solid #e8eefb; height: 100%; transition: all .3s; position: relative; }
.case-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.case-card .tag { font-size: 12px; color: var(--cyan); background: rgba(46,197,232,.1); border-radius: 6px; padding: 3px 10px; display: inline-block; margin-bottom: 12px; font-weight: 600; }
.case-card h3 { font-size: 17px; color: var(--blue-deep); margin-bottom: 10px; line-height: 1.5; }
.case-card p { font-size: 13.5px; color: var(--text-2); }
.case-card .date { margin-top: 14px; font-size: 12px; color: #93a2c2; }
.case-card .more { display: inline-block; margin-top: 12px; font-size: 13.5px; color: var(--blue); font-weight: 600; cursor: pointer; }
.case-card .more i { font-style: normal; transition: transform .25s; display: inline-block; }
.case-card .more:hover i { transform: translateX(4px); }
/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card { background: #fff; border-radius: var(--radius); padding: 26px; border: 1px solid #e8eefb; transition: all .3s; display: flex; flex-direction: column; }
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-card .meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.news-card .cate { background: var(--grad); color: #fff; font-size: 12px; padding: 2px 12px; border-radius: 999px; }
.news-card .time { font-size: 12.5px; color: #93a2c2; }
.news-card h3 { font-size: 16.5px; color: var(--blue-deep); margin-bottom: 8px; line-height: 1.55; font-weight: 600; }
.news-card p { font-size: 13.5px; color: var(--text-2); flex: 1; }
.news-card .more { margin-top: 14px; font-size: 13px; color: var(--blue); font-weight: 500; }
/* 新闻列表页 */
.page-list .item {
  background: #fff; border: 1px solid #e8eefb; border-radius: 12px; padding: 22px 26px; margin-bottom: 16px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px; transition: all .25s;
}
.page-list .item:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.page-list .item h3 { font-size: 17px; color: var(--text); font-weight: 600; }
.page-list .item .d { color: var(--text-2); font-size: 13px; margin-top: 6px; }
.page-list .item .time { color: #93a2c2; font-size: 13px; white-space: nowrap; }
/* ---------- 内页横幅 ---------- */
.page-hero { position: relative; padding: 150px 0 70px; color: #fff; background: linear-gradient(120deg, #081A33, #0C2B5C 55%, #1358d0); overflow: hidden; }
.page-hero .grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 52px 52px; }
.page-hero .glow { position: absolute; width: 420px; height: 420px; background: #16a34a; opacity: .28; filter: blur(100px); border-radius: 50%; right: 6%; top: -120px; }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 34px; font-weight: 700; letter-spacing: 2px; }
.page-hero p { color: #c3d6f5; margin-top: 10px; font-size: 15px; }
.crumb { font-size: 13px; color: #9db4e0; margin-top: 14px; }
.crumb a { color: #86efac; }
.crumb a:hover { color: #fff; }
/* ---------- 关于我们 ---------- */
.about-intro { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: start; }
.about-intro .txt p { color: var(--text-2); margin-bottom: 16px; font-size: 14.8px; text-align: justify; }
.about-intro .side { background: linear-gradient(160deg, #081A33, #1D4ED8); border-radius: 18px; color: #fff; padding: 30px; }
.about-intro .side h4 { font-size: 16px; margin-bottom: 8px; color: #8fd6ff; font-weight: 600; }
.about-intro .side .val { font-size: 20px; font-weight: 600; margin-bottom: 20px; letter-spacing: 1px; }
.about-intro .side .slogan { border-top: 1px solid rgba(255,255,255,.18); padding-top: 18px; margin-top: 6px; font-size: 13.5px; color: #c3d6f5; }
/* ---------- V62：关于页公司简介重排（与奇峰模板区分）----------
   通栏正文（宽屏双栏分栏排版）+ 三张信息卡横排（渐变短线角标 + EN 眉标） */
.about-hero .txt { columns: 2; column-gap: 44px; }
.about-hero .txt p { color: var(--text-2); margin-bottom: 16px; font-size: 15px; line-height: 1.95; text-align: justify; break-inside: avoid; }
.about-hero .facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.about-hero .fact { position: relative; background: var(--bg-gray); border-radius: 14px; padding: 24px 22px 20px; overflow: hidden; transition: transform .25s, box-shadow .25s; }
.about-hero .fact:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.about-hero .fact::before { content: ""; position: absolute; top: 0; left: 0; width: 56px; height: 3px; border-radius: 0 0 3px 0; background: var(--grad); }
.about-hero .fact .en { display: block; font-size: 11px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase; color: #9aa8b8; margin-bottom: 10px; }
.about-hero .fact h4 { font-size: 16.5px; color: var(--blue-deep); margin-bottom: 8px; letter-spacing: .5px; }
.about-hero .fact .val { font-size: 14.5px; line-height: 1.85; color: var(--text-2); }
@media (max-width: 980px) {
  .about-hero .txt { columns: 1; }
  .about-hero .facts { grid-template-columns: 1fr; gap: 14px; }
}
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.biz-card { background: #fff; border-radius: var(--radius); padding: 30px; border: 1px solid #e8eefb; transition: all .3s; text-align: center; }
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.biz-card .n { width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 12px; background: var(--blue-soft); color: var(--blue); font-weight: 700; font-size: 18px; display: flex; align-items: center; justify-content: center; }
.biz-card h3 { font-size: 18px; margin-bottom: 10px; color: var(--blue-deep); }
.biz-card p { color: var(--text-2); font-size: 13.8px; }
/* 时间轴 */
.timeline { position: relative; max-width: 820px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(#1D4ED8, #16a34a); border-radius: 2px; }
.timeline li { position: relative; margin-bottom: 28px; }
.timeline li::before { content: ""; position: absolute; left: -30px; top: 8px; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 4px solid var(--blue); box-sizing: border-box; }
.timeline .year { font-size: 15px; font-weight: 700; color: var(--blue); margin-bottom: 2px; }
.timeline .ev { color: var(--text-2); }
/* 荣誉墙 */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.honor-item { text-align: center; padding: 26px 14px; background: #fff; border: 1px solid #e8eefb; border-radius: var(--radius); transition: all .3s; }
.honor-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.honor-item .medal { width: 54px; height: 54px; margin: 0 auto 12px; }
.honor-item .medal svg { width: 100%; height: 100%; }
.honor-item b { display: block; font-size: 14.5px; color: var(--blue-deep); line-height: 1.5; }
.honor-item .y { color: #93a2c2; font-size: 12px; margin-top: 6px; }
/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.contact-cards { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 26px; }
.contact-card { background: #fff; border: 1px solid #e8eefb; border-radius: var(--radius); padding: 24px; display: flex; gap: 14px; align-items: flex-start; }
.contact-card .ico { width: 44px; height: 44px; flex: none; border-radius: 12px; background: linear-gradient(135deg, var(--blue-soft), #d9f7fd); display: flex; align-items: center; justify-content: center; }
.contact-card .ico svg { width: 22px; height: 22px; }
.contact-card b { display: block; color: var(--blue-deep); font-size: 15px; margin-bottom: 4px; }
.contact-card span, .contact-card a { font-size: 14px; color: var(--text-2); word-break: break-all; }
.form-card { background: #fff; border-radius: 18px; padding: 32px; border: 1px solid #e8eefb; box-shadow: var(--shadow); }
.form-card h3 { font-size: 20px; color: var(--blue-deep); margin-bottom: 6px; }
.form-card .tip { color: var(--text-2); font-size: 13px; margin-bottom: 20px; }
.frm { display: grid; gap: 14px; }
.frm label { font-size: 13.5px; color: var(--text-2); }
.frm .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.frm input, .frm textarea {
  width: 100%; border: 1px solid #dbe4f5; border-radius: 10px; padding: 11px 14px; font-size: 14px;
  font-family: inherit; background: #fbfcff; transition: all .2s; color: var(--text);
}
.frm input:focus, .frm textarea:focus { outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px rgba(29, 78, 216, .12); }
.frm textarea { resize: vertical; min-height: 110px; }
.frm-msg { font-size: 13.5px; }
.frm-msg.ok { color: #18a058; }
.frm-msg.err { color: #d03050; }
/* 新闻详情 */
.detail-wrap { max-width: 860px; margin: 0 auto; }
.detail-card { background: #fff; border: 1px solid #e8eefb; border-radius: 18px; padding: 44px; }
.detail-card h1 { font-size: 26px; color: var(--blue-deep); line-height: 1.5; }
.detail-card .meta { display: flex; gap: 16px; color: #93a2c2; font-size: 13px; margin: 14px 0 26px; padding-bottom: 20px; border-bottom: 1px solid #eef2fa; }
.detail-body p { margin-bottom: 14px; color: #3d4a66; font-size: 15px; text-align: justify; }
/* 合作伙伴条 */
.partner-band { padding: 34px 0; border-top: 1px solid #eef2fa; border-bottom: 1px solid #eef2fa; background: #fff; }
.partner-band .container { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; justify-content: center; }
.partner-band span { color: #93a2c2; font-size: 13px; letter-spacing: 1px; }
.partner-band i { font-style: normal; font-size: 16px; color: var(--blue); font-weight: 600; padding: 8px 16px; border: 1px dashed #dbe4f5; border-radius: 8px; opacity: .85; }
/* CTA 条 */
.cta-band { background: transparent; text-align: center; padding: 26px 0 64px; position: relative; overflow: visible; }
.cta-band .container {
  position: relative; overflow: hidden; border-radius: 20px; padding: 52px 24px;
  background: linear-gradient(118deg, #081a3d 0%, #0d2f75 55%, #1246c2 100%);
  box-shadow: 0 18px 50px rgba(10, 35, 100, .22);
}
.cta-band .container::before {
  content: ""; position: absolute; inset: 0; opacity: .35; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px;
}
.cta-band .container::after {
  content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: #16a34a; filter: blur(120px); opacity: .28; top: -220px; right: -100px; pointer-events: none;
}
.cta-band h2 {
  font-size: 28px; margin-bottom: 12px; letter-spacing: 1px; font-weight: 600;
  color: var(--cyan);
  position: relative; z-index: 2;
}
.cta-band p { color: #b9cdf2; margin-bottom: 26px; position: relative; z-index: 2; }
.cta-band .btns { display: flex; gap: 16px; justify-content: center; position: relative; z-index: 2; }
/* 404 */
.err-page { text-align: center; padding: 120px 0; }
.err-page .code { font-size: 100px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
/* 加载中 */
.loading-tip { text-align: center; color: var(--text-2); padding: 60px 0; }
/* 页脚法律链接 */
.footer .bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 30px; padding-top: 22px; text-align: center; }
.legal-links { display: flex; justify-content: center; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.legal-links a { color: #9fb4dc; font-size: 13px; text-decoration: none; transition: color .2s; }
.legal-links a:hover { color: #fff; }
.legal-links i { color: rgba(255,255,255,.25); font-style: normal; }
/* 法律文档页 */
.legal-doc { max-width: 860px; }
.legal-sec { margin-bottom: 36px; }
.legal-sec h3 { font-size: 20px; color: var(--blue-deep); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--blue-soft); }
.legal-sec h4 { font-size: 15px; color: var(--text-1); margin: 18px 0 8px; }
.legal-sec p { font-size: 14px; line-height: 2; color: var(--text-2); text-align: justify; }
.legal-date { color: var(--text-2); font-size: 13px; margin-top: 8px; }
/* 页脚锚点跳转定位：为固定 header 预留偏移 */
.legal-sec, .map-col { scroll-margin-top: 96px; }
/* 网站地图 */
.map-grid { display: grid; grid-template-columns: 280px 1fr; gap: 40px; max-width: 980px; margin: 0 auto; }
.map-col h3 { font-size: 18px; color: var(--blue-deep); margin-bottom: 14px; padding-bottom: 8px; border-bottom: 2px solid var(--blue-soft); }
.map-col ul { list-style: none; }
.map-col > ul > li { padding: 8px 0; font-size: 14.5px; }
.map-col a { color: var(--text-2); text-decoration: none; transition: color .2s; }
.map-col a:hover { color: var(--blue); }
.map-col b { display: block; color: var(--text-1); margin-top: 14px; font-size: 15px; }
.map-prods ul { padding-left: 14px; }
.map-prods ul li { padding: 4px 0; font-size: 13.8px; }

/* ---------- 悬浮工具条（主题绿胶囊） ---------- */
.float-bar {
  position: fixed; right: 12px; top: 44%; z-index: 900;
  background: var(--cyan); border-radius: 999px; box-shadow: 0 10px 34px rgba(22, 163, 74, .32);
  padding: 8px 6px; display: flex; flex-direction: column; align-items: center; gap: 2px;
  border: 0; transition: top .45s cubic-bezier(.25,.8,.3,1);
}
.float-bar .fbtn {
  position: relative; width: 42px; height: 42px; border-radius: 50%; border: 0; background: none;
  color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all .22s; text-decoration: none;
}
.float-bar .fbtn svg { width: 20px; height: 20px; }
.float-bar .fbtn:hover { color: #fff; background: rgba(255, 255, 255, .18); }
.float-bar .fbtn.ftop { opacity: 0; pointer-events: none; transform: translateY(8px); transition: all .3s; }
.float-bar .fbtn.ftop.show { opacity: 1; pointer-events: auto; transform: none; }
.float-bar .fbtn .ftip {
  position: absolute; right: 52px; top: 50%; transform: translateY(-50%) translateX(8px);
  background: #fff; border-radius: 12px; box-shadow: 0 10px 30px rgba(15, 45, 110, .18);
  border: 1px solid #eef2fa; padding: 10px 16px; font-size: 12.5px; color: var(--text-2);
  white-space: nowrap; opacity: 0; pointer-events: none; transition: all .22s; text-align: left; line-height: 1.7;
}
.float-bar .fbtn .ftip b { color: var(--blue); font-size: 13.5px; }
.float-bar .fbtn:hover .ftip { opacity: 1; transform: translateY(-50%) translateX(0); }
/* ---------- 智能客服窗口 ---------- */
.chat-panel {
  position: fixed; right: 26px; bottom: 26px; z-index: 950; width: 360px; max-width: calc(100vw - 40px);
  height: 540px; max-height: calc(100vh - 60px); background: #fff; border-radius: 18px;
  box-shadow: 0 24px 70px rgba(10, 30, 80, .28); display: flex; flex-direction: column; overflow: hidden;
  opacity: 0; pointer-events: none; transform: translateY(16px) scale(.98); transition: all .28s;
  border: 1px solid #e8eefb;
}
.chat-panel.open { opacity: 1; pointer-events: auto; transform: none; }
.chat-head {
  display: flex; align-items: center; gap: 12px; padding: 16px 18px; color: #fff;
  background: linear-gradient(110deg, #081A33, #0C2B5C 55%, #1D4ED8);
}
.chat-head .avatar { width: 40px; height: 40px; border-radius: 12px; background: #fff; padding: 5px; flex: none; }
.chat-head .avatar img { width: 100%; height: 100%; object-fit: contain; }
.chat-head b { display: block; font-size: 15px; }
.chat-head span { font-size: 12px; color: #b7c9ec; display: flex; align-items: center; gap: 5px; }
.chat-head .dot { width: 7px; height: 7px; border-radius: 50%; background: #57e6a4; box-shadow: 0 0 6px #57e6a4; display: inline-block; }
.chat-close { margin-left: auto; background: none; border: 0; color: #cfe0ff; cursor: pointer; width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.chat-close:hover { background: rgba(255,255,255,.12); color: #fff; }
.chat-close svg { width: 18px; height: 18px; }
.chat-body { flex: 1; overflow-y: auto; padding: 18px 16px; background: #f7f9fe; display: flex; flex-direction: column; gap: 14px; }
.chat-body .msg { display: flex; }
.chat-body .msg.bot { justify-content: flex-start; }
.chat-body .msg.user { justify-content: flex-end; }
.chat-body .bubble {
  max-width: 78%; padding: 11px 15px; border-radius: 14px; font-size: 13.8px; line-height: 1.75;
  animation: fadeUp .3s ease; word-break: break-all;
}
.chat-body .bot .bubble { background: #fff; border: 1px solid #e8eefb; color: var(--text); border-top-left-radius: 4px; }
.chat-body .user .bubble { background: var(--grad); color: #fff; border-top-right-radius: 4px; }
.chat-body .bubble b { color: var(--blue); }
.chat-body .user .bubble b { color: #fff; }
.chat-body .bubble a { color: var(--blue); font-weight: 500; }
.chat-quick { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 14px; background: #fff; border-top: 1px solid #eef2fa; }
.chat-quick button {
  border: 1px solid #dbe4f5; background: #fff; color: var(--blue); font-size: 12.5px;
  padding: 6px 14px; border-radius: 999px; cursor: pointer; transition: all .2s; font-family: inherit;
}
.chat-quick button:hover { background: var(--blue-soft); border-color: var(--blue); }
.chat-foot { display: flex; gap: 10px; padding: 12px 14px; background: #fff; border-top: 1px solid #eef2fa; }
.chat-foot input {
  flex: 1; border: 1px solid #dbe4f5; border-radius: 10px; padding: 10px 14px; font-size: 13.5px;
  font-family: inherit; background: #fbfcff; outline: none;
}
.chat-foot input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(29, 78, 216, .1); }
.chat-send {
  width: 42px; height: 42px; border-radius: 10px; border: 0; background: var(--grad); color: #fff;
  cursor: pointer; display: flex; align-items: center; justify-content: center; flex: none; transition: all .2s;
}
.chat-send:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(29, 78, 216, .3); }
.chat-send svg { width: 20px; height: 20px; }
/* 转人工 */
.chat-quick button.to-human {
  background: linear-gradient(110deg, #18b566, #12a25a); color: #fff; border-color: transparent;
  font-weight: 600; box-shadow: 0 4px 12px rgba(24, 181, 102, .3);
}
.chat-quick button.to-human:hover { filter: brightness(1.06); background: linear-gradient(110deg, #18b566, #12a25a); }
.human-box { background: #fff; border: 1px solid #e8eefb; border-radius: 12px; padding: 14px; margin-top: 8px; text-align: center; }
.chat-qr { width: 168px; height: 168px; margin: 0 auto 10px; border-radius: 10px; object-fit: contain; border: 1px solid #eef2fa; }
.chat-qr-tip { background: var(--blue-soft); color: var(--text-2); font-size: 12px; border-radius: 10px; padding: 12px; margin-bottom: 10px; line-height: 1.7; }
.human-ways { display: flex; flex-direction: column; gap: 6px; text-align: left; font-size: 13px; color: var(--text-2); }
.human-ways b { color: var(--blue); }
@media (max-width: 640px) {
  .float-bar { right: 8px; padding: 6px 4px; top: 58% !important; }
  .float-bar .fbtn { width: 38px; height: 38px; }
  .float-bar .fbtn svg { width: 18px; height: 18px; }
  .float-bar .fbtn .ftip { display: none; }
  .chat-panel { right: 10px; bottom: 10px; width: calc(100vw - 20px); height: calc(100vh - 90px); }
}
/* 响应式 */
@media (max-width: 980px) {
  .nav { position: fixed; right: 0; top: 0; height: 100%; height: 100dvh; width: min(78vw, 300px); background: #0c152b; flex-direction: column; align-items: stretch; padding: 0 14px calc(20px + env(safe-area-inset-bottom)); gap: 2px; box-shadow: -10px 0 30px rgba(0,0,0,.45); transform: translateX(100%); transition: transform .32s cubic-bezier(.32,.72,.24,1); overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .nav.open { transform: none; }
  .nav a { padding: 12px 14px; width: 100%; font-size: 15px; }
  .nav .nav-cta { margin: 14px 0 0; }
  .nav .nav-cta .btn { width: 100%; justify-content: center; }
  .nav-head { display: flex; align-items: center; justify-content: space-between; height: 58px; margin: 0 -14px 10px; padding: 0 6px 0 18px; border-bottom: 1px solid rgba(255,255,255,.08); flex: none; }
  .nav-head b { color: #fff; font-size: 15px; letter-spacing: 1px; }
  .nav-close { background: none; border: 0; color: #cfd8e4; font-size: 22px; line-height: 1; padding: 8px 10px; cursor: pointer; }
  .hamburger { display: block; }
  .hero { height: auto; min-height: 500px; }
  .hero h1 { font-size: 30px; }
  .cap-grid, .sol-grid, .news-grid, .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro { grid-template-columns: 1fr; }
  .feat-grid, .feat-grid.col2, .feat-grid.col3 { grid-template-columns: repeat(2, 1fr); }
  .footer .top { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .hero-arrow { display: none; }
  .hero { height: 520px; }
  .cap-grid, .sol-grid, .news-grid, .biz-grid, .case-grid, .footer .top, .contact-cards, .honor-grid, .brand-card .prods { grid-template-columns: 1fr; }
  .feat-grid, .feat-grid.col2, .feat-grid.col3 { grid-template-columns: 1fr; }
  .sec-head h2 { font-size: 25px; }
  .frm .row { grid-template-columns: 1fr; }
  .detail-card { padding: 24px; }
  .hero h1 { font-size: 25px; }
  .topbar .note { display: none; }
}

/* ===== 内容图片（后台上传） ===== */
/* 新闻卡片封面 */
.news-card .cover, .case-card .cover { overflow: hidden; border-radius: 10px; margin-bottom: 14px; aspect-ratio: 16/9; background: #eef2fa; }
.news-card .cover img, .case-card .cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.news-card:hover .cover img, .case-card:hover .cover img { transform: scale(1.05); }
/* 新闻列表页缩略图 */
.page-list .item { display: flex; align-items: center; gap: 18px; }
.page-list .item .cover { width: 150px; height: 96px; object-fit: cover; border-radius: 10px; flex-shrink: 0; border: 1px solid #e8eefb; }
.page-list .item > div { flex: 1; min-width: 0; }
/* 详情页大图 */
.detail-cover { display: block; width: 100%; max-height: 420px; object-fit: cover; border-radius: 12px; margin: 16px 0 20px; }
/* 可点击放大的图片（.zoomable 显式标记；详情富文本/关于页正文图片自动纳入） */
.zoomable, .detail-body img, .about-hero .txt img { cursor: zoom-in; }
/* 案例弹窗内图片 */
.cm-cover { display: block; width: 100%; max-height: 340px; object-fit: cover; border-radius: 10px; margin: 14px 0 4px; }
/* 荣誉资质证书图 */
.honor-item .honor-img { width: 100%; height: 170px; object-fit: cover; border-radius: 10px; margin-bottom: 12px;
  border: 1px solid #e8eefb; cursor: zoom-in; background: #f8faff; transition: transform .3s ease, box-shadow .3s ease; }
.honor-item .honor-img:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(29, 78, 216, .14); }
/* 品牌卡顶部图 */
.brand-card .brand-img { display: block; width: 100%; height: 220px; object-fit: cover; border-radius: 12px; margin-bottom: 20px; }
/* 图片放大层 */
.img-lightbox { position: fixed; inset: 0; z-index: 9999; background: rgba(7, 16, 38, .88);
  display: flex; align-items: center; justify-content: center; padding: 40px; cursor: zoom-out; animation: lbIn .25s ease; }
.img-lightbox img { max-width: 92vw; max-height: 92vh; border-radius: 10px; box-shadow: 0 24px 80px rgba(0,0,0,.5); }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }
/* 能力卡片配图（替代图标） */
.cap-grid .card .ico .cap-img { width: 64px; height: 64px; object-fit: contain; border-radius: 12px; display: block; margin: 0 auto; }
/* 方案卡封面 */
.sol-card .sol-cover { display: block; margin: -28px -28px 18px; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; aspect-ratio: 16/9; background: #eef2fa; }
.sol-card .sol-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.sol-card:hover .sol-cover img { transform: scale(1.05); }
/* 发展历程配图 */
.timeline .tl-img { display: block; width: 240px; max-height: 150px; object-fit: cover;
  border-radius: 10px; margin-top: 10px; border: 1px solid #e8eefb; cursor: zoom-in;
  background: #f8faff; transition: transform .3s ease, box-shadow .3s ease; }
.timeline .tl-img:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(29, 78, 216, .14); }

/* =========================================================
   深色主题（站点固定深色：<html data-theme="dark">，无切换）
   ========================================================= */
[data-theme="dark"] { color-scheme: dark; }
[data-theme="dark"] {
  --text: #dbe4f6;
  --text-2: #9fb2d8;
  --bg-gray: #151e36;
  --blue-soft: rgba(38, 96, 235, .18);
  --shadow: 0 6px 24px rgba(0, 0, 0, .4);
  --shadow-hover: 0 14px 38px rgba(0, 0, 0, .55);
}
[data-theme="dark"] body { background: #0a1122; }
[data-theme="dark"] .header {
  background: #0d1529; border-bottom: 1px solid #1c2744;
  box-shadow: 0 2px 14px rgba(0, 0, 0, .35);
}
[data-theme="dark"] .logo-txt b { color: #e8efff; }
[data-theme="dark"] .btn-outline { background: #121b33; }

/* 各区块基色 */
[data-theme="dark"] .prod-crumb,
[data-theme="dark"] .partner-band { background: #0d1529; border-color: #1c2744; }
[data-theme="dark"] .section.gray { background: var(--bg-gray); }

/* 白色卡片 → 深色卡片（统一组） */
[data-theme="dark"] :is(.card, .sol-card, .case-card, .news-card, .brand-card, .biz-card,
  .honor-item, .detail-card, .contact-card, .form-card, .wx-box,
  .page-list .item, .case-modal, .human-box, .chat-panel, .chat-quick, .chat-foot) {
  background: #121b33; border-color: #1f2b4d;
}
[data-theme="dark"] :is(.card:hover, .sol-card:hover, .case-card:hover, .news-card:hover,
  .biz-card:hover, .honor-item:hover, .contact-card:hover) { border-color: #2b3a66; }
[data-theme="dark"] .float-bar .ftip { background: #141d36; border-color: #26335a; }
[data-theme="dark"] .chat-body { background: #0c1327; }
[data-theme="dark"] .chat-body .bot .bubble { background: #182240; border-color: #26335a; }
[data-theme="dark"] .chat-body .user .bubble { background: linear-gradient(100deg, #1D4ED8 0%, #3B82F6 55%, #16a34a 120%); }
[data-theme="dark"] .chat-quick button { background: #182240; border-color: #2a3a66; color: #8fb0ff; }
[data-theme="dark"] .chat-foot input { background: #0d1529; border-color: #26335a; color: #dbe4f6; }

/* 标题色：深蓝标题 → 亮蓝白 */
[data-theme="dark"] :is(.sec-head h2, .card h3, .sol-card h3, .case-card h3, .news-card h3,
  .brand-card h3, .biz-card h3, .detail-card h1, .contact-card b, .form-card h3, .map-col h3,
  .legal-sec h3, .panel h3) { color: #dfe8ff; }
[data-theme="dark"] .page-list .item h3 { color: #dfe8ff; }
[data-theme="dark"] .detail-card .p-intro,
[data-theme="dark"] .detail-body p { color: #c3d0ea; }
[data-theme="dark"] .detail-card .sol-sum { color: #cfe0ff; }
[data-theme="dark"] .float-bar .fbtn { color: #fff; }

/* 表格 / 表单 / 输入 */
[data-theme="dark"] .frm input, [data-theme="dark"] .frm textarea {
  background: #0c1327; border-color: #26335a; color: #dbe4f6;
}
[data-theme="dark"] .frm input:focus, [data-theme="dark"] .frm textarea:focus { background: #121b33; }
[data-theme="dark"] .detail-card .meta { color: #7e92bd; border-color: #1f2b4d; }

/* 筛选胶囊页签 */
[data-theme="dark"] .industry-tabs button {
  background: #121b33; border-color: #26335a; color: #9fb2d8;
}
[data-theme="dark"] .industry-tabs button.on { background: var(--grad); color: #fff; }

/* 图片占位底 */
[data-theme="dark"] :is(.news-card .cover, .case-card .cover, .sol-card .sol-cover,
  .honor-item .honor-img, .timeline .tl-img) { background: #1a2542; border-color: #26335a; }

/* 图标渐变底 */
[data-theme="dark"] :is(.card .ico, .contact-card .ico) {
  background: linear-gradient(135deg, rgba(38, 96, 235, .28), rgba(20, 60, 130, .35));
}
/* 移动端抽屉 + 小屏 */
@media (max-width: 980px) {
  [data-theme="dark"] .nav { background: #0d1529; }
}
/* 深色补充：白色波浪纹理区块 → 深色 */
[data-theme="dark"] .section.wave { background: linear-gradient(180deg, #0a1122 0%, #0d1830 100%); }


/* ---------- 京信服新增板块 ---------- */
.footer .f-note { margin-top: 10px; color: #9db4d8; font-size: 13.5px; letter-spacing: 1px; }
.footer .f-note2 { margin-top: 6px; color: #6f85ad; font-size: 12px; letter-spacing: .5px; }
.svc6 .card .svc-desc { font-size: 13.5px; color: var(--text-2); line-height: 1.85; }
.svc6 .card .d { margin-bottom: 0; }
.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.culture-card {
  background: #fff; border-radius: var(--radius); padding: 34px 28px;
  border-top: 3px solid #16a34a; box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
}
.culture-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.culture-card .cu-name {
  font-size: 26px; font-weight: 800; letter-spacing: 6px;
  background: linear-gradient(120deg, #081A33, #1D4ED8 60%, #16a34a);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 14px;
}
.culture-card .cu-desc { font-size: 13.5px; color: var(--text-2); line-height: 1.9; }
/* V63：分句逐行展示，行间留呼吸感 */
.culture-card .cu-desc .cu-line { display: block; }
.culture-card .cu-desc .cu-line + .cu-line { margin-top: 10px; padding-top: 10px; border-top: 1px dashed rgba(128, 150, 190, .25); }
@media (max-width: 900px) {
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .svc6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .culture-grid { grid-template-columns: 1fr; }
  .svc6 { grid-template-columns: 1fr; }
}
[data-theme="dark"] .culture-card { background: #141d36; box-shadow: 0 8px 24px rgba(0,0,0,.35); }
[data-theme="dark"] .culture-card .cu-desc { color: #9db0cf; }
[data-theme="dark"] .footer .f-note { color: #8ba2c9; }
[data-theme="dark"] .footer .f-note2 { color: #64789e; }
/* 数字带移动端 2×2 */
@media (max-width: 760px) {
  .stat-band .container { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .stat-band { padding: 40px 0; }
  .stat-band .item .num { font-size: 38px; }
  .stat-band .item .num i { font-size: 22px; }
  .stat-band .item .lab { font-size: 12.5px; letter-spacing: 1px; }
}

/* =====================================================
   浅色商务风改造段（与奇峰站差异化）
   白底为主 + 深蓝绿点缀 · 直角化 · 左对齐标题 · 痛点式首屏
   ===================================================== */
:root {
  --line-soft: #e8eef7;
  --green: #16a34a;
}
/* ---------- 按钮直角化 ---------- */
.btn { border-radius: 6px; }
.btn-primary { background: linear-gradient(120deg, #1443A8, #1D4ED8); }
.btn-outline { border-radius: 6px; }
/* ---------- 卡片硬朗化 ---------- */
.card, .brand-card, .case-card, .news-card, .detail-card, .biz-card,
.honor-item, .contact-card, .form-card, .culture-card, .feat, .sol-card {
  border-radius: 8px;
  border: 1px solid var(--line-soft);
  box-shadow: 0 2px 10px rgba(15, 40, 100, .04);
}
.card:hover, .brand-card:hover, .case-card:hover, .news-card:hover {
  box-shadow: 0 10px 26px rgba(15, 40, 100, .1);
}
/* ---------- 标题左对齐 + 绿色竖条 ---------- */
.sec-head { max-width: none; margin: 0 0 42px; text-align: left; }
.sec-head .en { display: none; }
.sec-head h2 {
  font-size: clamp(24px, 3vw, 34px); font-weight: 800;
  padding-left: 16px; border-left: 5px solid var(--green); line-height: 1.3;
}
.sec-head h2 i { font-style: normal; color: var(--green); }
.sec-head p { margin-top: 12px; }
/* ---------- 浅色页头横幅（内页顶部） ---------- */
.page-hero { background: linear-gradient(180deg, #f2f7ff 0%, #ffffff 100%); }
.page-hero h1 { color: #0d224f; }
.page-hero p { color: var(--text-2); }
.page-hero .grid, .page-hero .glow { display: none; }
.page-hero .crumb a { color: #8296b8; }
.page-hero .crumb { color: #5c6b8a; }
/* ---------- 数字带浅色化 ---------- */
.stat-band { background: #f6f9fe; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); padding: 46px 0; }
.stat-band .item .num { background: linear-gradient(180deg, #1D4ED8, #0C2B5C); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-band .item .num i { color: #16a34a; background: none; -webkit-background-clip: initial; -webkit-text-fill-color: initial; }
.stat-band .item .lab { color: #5c6b8a; }
/* ---------- 浅色痛点式首屏 ---------- */
.hero-light { padding: 88px 0 64px; background: linear-gradient(180deg, #ffffff 0%, #f4f8fe 100%); position: relative; overflow: hidden; }
.hero-light::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(29, 78, 216, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(29, 78, 216, .035) 1px, transparent 1px);
  background-size: 44px 44px; pointer-events: none;
}
.hero-light::after {
  content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 163, 74, .08), transparent 65%);
  top: -160px; right: -120px; pointer-events: none;
}
.hl-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; position: relative; }
.hl-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #e9f9f0; border: 1px solid #bbe8cd; color: #12813b;
  font-size: 13.5px; font-weight: 600; padding: 7px 16px; border-radius: 6px; margin-bottom: 26px;
}
.hl-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.hero-light h1 { font-size: clamp(28px, 3.8vw, 46px); font-weight: 800; color: #0d224f; line-height: 1.35; margin-bottom: 20px; }
.hero-light h1 em { font-style: normal; color: #1D4ED8; position: relative; }
.hero-light h1 em::after { content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 9px; background: rgba(22, 163, 74, .22); z-index: -1; border-radius: 2px; }
.hero-light .hl-lead { font-size: 16px; color: var(--text-2); line-height: 1.95; max-width: 580px; margin-bottom: 32px; }
.hero-light .hl-lead b { color: #0d224f; }
.hl-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hl-pledges { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.hl-pledges li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #33415e; font-weight: 500; }
.hl-pledges li::before { content: "✓"; color: var(--green); font-weight: 800; }
/* 右侧品牌视觉 */
.hl-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hl-visual .shield-glow {
  width: 100%; max-width: 360px; aspect-ratio: 1; border-radius: 24px;
  background: linear-gradient(150deg, #0d224f 0%, #1443A8 70%, #1D4ED8 100%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 24px 60px rgba(13, 34, 79, .28); position: relative; overflow: hidden;
}
.hl-visual .shield-glow::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 30px 30px;
}
.hl-visual .shield-glow img { width: 62%; filter: brightness(0) invert(1) drop-shadow(0 10px 24px rgba(0,0,0,.3)); }
.hl-cert {
  position: absolute; bottom: -18px; left: -14px;
  background: #fff; border: 1px solid var(--line-soft); border-radius: 8px;
  padding: 14px 20px; box-shadow: 0 14px 34px rgba(13, 34, 79, .14);
  display: flex; align-items: center; gap: 12px;
}
.hl-cert .ic { width: 40px; height: 40px; border-radius: 8px; background: #e9f9f0; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.hl-cert b { display: block; font-size: 14.5px; color: #0d224f; }
.hl-cert span { font-size: 12px; color: var(--text-2); }
/* ---------- 解决方案卡片 ---------- */
.sol-grid-l { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }.sol-card-l { background: #fff; border: 1px solid var(--line-soft); border-radius: 8px; padding: 30px 26px; display: flex; flex-direction: column; transition: all .25s; position: relative; overflow: hidden; }
.sol-card-l::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--green); opacity: 0; transition: .25s; }
.sol-card-l:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(15, 40, 100, .12); }
.sol-card-l:hover::after { opacity: 1; }
.sol-card-l .ico { width: 52px; height: 52px; border-radius: 10px; background: #eef4ff; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.sol-card-l .ico svg { width: 28px; height: 28px; }
.sol-card-l h3 { font-size: 17.5px; font-weight: 700; color: #0d224f; margin-bottom: 10px; }
.sol-card-l p { font-size: 13.5px; color: var(--text-2); line-height: 1.85; flex: 1; }
.sol-card-l .tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0; }
.sol-card-l .tags span { font-size: 11.5px; color: #12813b; background: #e9f9f0; padding: 3px 10px; border-radius: 4px; }
.sol-card-l .go { font-size: 13.5px; color: #1D4ED8; font-weight: 600; }
/* ---------- 方案详情页 ---------- */
.sol-detail .block { background: #fff; border: 1px solid var(--line-soft); border-radius: 8px; padding: 34px 36px; margin-bottom: 20px; }
.sol-detail .block h3 { font-size: 18px; font-weight: 700; color: #0d224f; padding-left: 14px; border-left: 4px solid var(--green); margin-bottom: 16px; }
.sol-detail .block p { color: var(--text-2); line-height: 2; font-size: 15px; }
.sol-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.sol-tags span { font-size: 12.5px; color: #1D4ED8; background: #eef4ff; border: 1px solid #d3e2fb; padding: 5px 14px; border-radius: 4px; }
/* ---------- 深色模式适配新板块 ---------- */
[data-theme="dark"] .hl-pledges li { color: #b9c8e4; }
[data-theme="dark"] .hl-badge { background: rgba(22, 163, 74, .12); border-color: rgba(22, 163, 74, .4); color: #6ee7a0; }
[data-theme="dark"] .hl-cert { background: #16203c; border-color: #26335a; }
[data-theme="dark"] .hl-cert b { color: #e8efff; }
[data-theme="dark"] .stat-band { background: #101a33; border-color: #1f2c4d; }
[data-theme="dark"] .stat-band .item .lab { color: #8ba2c9; }
[data-theme="dark"] .sol-card-l, [data-theme="dark"] .sol-detail .block { background: #141d36; border-color: #26335a; }
[data-theme="dark"] .sol-card-l h3, [data-theme="dark"] .sol-detail .block h3 { color: #e8efff; }
[data-theme="dark"] .sol-card-l .ico { background: #1d2a4d; }
[data-theme="dark"] .sol-tags span { background: #1d2a4d; border-color: #2c3c68; }
@media (max-width: 900px) {
  .hl-grid { grid-template-columns: 1fr; gap: 44px; }
  .sol-grid-l { grid-template-columns: repeat(2, 1fr); }
  .hl-visual { max-width: 420px; margin: 0 auto; }
}
@media (max-width: 560px) {
  .sol-grid-l { grid-template-columns: 1fr; }
  .hero-light { padding: 64px 0 48px; }
}


/* =====================================================
   V3 优化段：页头配色 / 首屏右侧 / 服务卡3列 / 页脚 / 悬浮条
   ===================================================== */
/* ---------- 页头：导航配色由「千寻智能式固定深色导航」统管（见文件头部导航段） ---------- */
.nav .nav-cta .btn { padding: 10px 22px; font-size: 14px; color: #fff; }
.nav .nav-cta .btn:hover { color: #fff; opacity: .92; }
/* ---------- 首屏右侧：浅色品牌卡 ---------- */
.hl-visual .shield-glow.light {
  background: linear-gradient(160deg, #eef4ff 0%, #e9f9f0 100%);
  border: 1px solid #dce8f8;
  box-shadow: 0 22px 55px rgba(13, 34, 79, .12);
}
.hl-visual .shield-glow.light::before { opacity: .6; }
.hl-visual .shield-glow.light::after {
  content: ""; position: absolute; right: -26px; bottom: -26px; width: 150px; height: 150px;
  border-radius: 50%; background: radial-gradient(circle, rgba(22, 163, 74, .16), transparent 70%);
}
.hl-visual .shield-glow.light img { width: 58%; filter: drop-shadow(0 14px 28px rgba(13, 34, 79, .18)); }
.hl-cert { left: -14px; right: auto; }
.hl-cert .cert-ic { width: 40px; height: 40px; object-fit: contain; }
.hl-cert .ic { display: none; }
/* ---------- 安全服务 6 卡：3×2 布局 ---------- */
.svc6 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) { .svc6 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .svc6 { grid-template-columns: 1fr; } }
/* ---------- 页脚：品牌列 logo + 排版精修 ---------- */
.footer .f-logo { height: 42px; width: auto; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer .f-note { margin-top: 0; }
.footer .brand { align-self: start; }
.footer h4::after { background: #16a34a; }
.footer .contact b { color: #7ee2a8; }
/* ---------- 悬浮条：主题绿胶囊（客服按钮反白强调） ---------- */

/* =====================================================
   V4 暗色科技风段：粒子首屏 / 玻璃拟态 / Bento / 跑马灯 / 滚动淡入
   （默认主题为 dark；浅色模式下仅保留基础结构）
   ===================================================== */

/* ---------- 首屏科技层：canvas 粒子 / 光斑 / 网格 ---------- */
.hero-light { position: relative; overflow: hidden; }
.fx-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.fx-orb { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; z-index: 0; }
.fx-orb.o1 { width: 520px; height: 520px; background: rgba(29, 78, 216, .38); top: -180px; left: -120px; animation: orbFloat 14s ease-in-out infinite; }
.fx-orb.o2 { width: 420px; height: 420px; background: rgba(22, 163, 74, .22); bottom: -160px; right: -80px; animation: orbFloat 18s ease-in-out infinite reverse; }
.fx-orb.o3 { width: 260px; height: 260px; background: rgba(99, 102, 241, .28); top: 30%; right: 28%; animation: orbFloat 22s ease-in-out infinite; }
@keyframes orbFloat { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(40px, -30px) scale(1.08); } }
.fx-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(rgba(148, 180, 255, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 180, 255, .07) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 60% 38%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 75% 70% at 60% 38%, #000 25%, transparent 78%);
}
.hero-light .container, .hero-light .hl-grid { position: relative; z-index: 2; }

/* ---------- 玻璃徽章 / 渐变标题 / 发光按钮 ---------- */
.fx-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 18px; border-radius: 999px; margin-bottom: 22px;
  font-size: 13px; font-weight: 600; letter-spacing: 1px;
  background: rgba(96, 165, 250, .1); border: 1px solid rgba(96, 165, 250, .3);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.fx-badge i { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 10px #22c55e; animation: badgePulse 2s ease-in-out infinite; }
@keyframes badgePulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }

.hero-light {
  background:
    radial-gradient(ellipse 60% 45% at 72% 20%, rgba(29, 78, 216, .32), transparent 65%),
    radial-gradient(ellipse 45% 40% at 12% 82%, rgba(22, 163, 74, .16), transparent 60%),
    linear-gradient(180deg, #050b1e 0%, #081228 55%, #0a1730 100%);
}
.hero-light::before { display: none; }
.hero-light h1 { color: #f2f6ff; text-shadow: 0 0 60px rgba(96, 165, 250, .25); }
.hero-light h1 em {
  background: linear-gradient(92deg, #60a5fa 0%, #22c55e 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-light h1 em::after { display: none; }
.hero-light .hl-lead { color: #9fb2d8; }
.hero-light .hl-lead b { color: #e2ecff; }
.hero-light .hl-pledges li { color: #b9c8e8; }
.fx-badge { color: #bcd3ff; }
.hero-light .btn-outline { color: #bcd3ff; border-color: rgba(148, 180, 255, .35); }
.hero-light .btn-outline:hover { background: rgba(96, 165, 250, .12); }

.fx-glow { box-shadow: 0 0 24px rgba(29, 78, 216, .55), inset 0 1px 0 rgba(255, 255, 255, .18); }
.fx-glow:hover { box-shadow: 0 0 42px rgba(59, 130, 246, .75), inset 0 1px 0 rgba(255, 255, 255, .18); }

.hl-visual .shield-glow.light {
  background: linear-gradient(150deg, rgba(23, 40, 82, .78) 0%, rgba(13, 27, 58, .82) 100%);
  border: 1px solid rgba(96, 165, 250, .3);
  box-shadow: 0 24px 70px rgba(2, 6, 18, .6), inset 0 1px 0 rgba(255, 255, 255, .08);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.hl-visual .shield-glow.light::before { opacity: .35; }
.hl-cert { background: rgba(13, 22, 46, .85); border-color: rgba(96, 165, 250, .28); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.hl-cert b { color: #e2ecff; }
.hl-cert span { color: #8fa5cd; }

/* ---------- 卡片玻璃化 + hover 发光（暗色） ---------- */
[data-theme="dark"] :is(.card, .brand-card, .sol-card-l, .biz-card, .news-card, .case-card, .honor-item, .culture-card, .contact-card, .about-hero .fact) {
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: transform .3s, box-shadow .3s, border-color .3s, background .3s;
}
[data-theme="dark"] :is(.card, .sol-card-l, .biz-card, .news-card, .case-card):hover {
  border-color: rgba(96, 165, 250, .55) !important;
  box-shadow: 0 0 0 1px rgba(96, 165, 250, .3), 0 14px 46px rgba(29, 78, 216, .3) !important;
  transform: translateY(-4px);
}
[data-theme="dark"] .card .ico { box-shadow: 0 0 18px rgba(29, 78, 216, .4); }

/* ---------- Bento：首页能力卡首卡放大 ---------- */
.cap-grid:not(.svc6) .card:first-child { grid-column: span 2; }
.cap-grid:not(.svc6) .card:nth-child(4) { grid-column: span 2; }
@media (max-width: 980px) { .cap-grid:not(.svc6) .card:first-child, .cap-grid:not(.svc6) .card:nth-child(4) { grid-column: span 2; } }
@media (max-width: 640px) { .cap-grid:not(.svc6) .card:first-child, .cap-grid:not(.svc6) .card:nth-child(4) { grid-column: auto; } }

/* ---------- 滚动淡入 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .fx-track, .fx-orb { animation: none; }
}

/* ---------- 数字带 / CTA 渐变强化（暗色） ---------- */
[data-theme="dark"] .stat-band { background: linear-gradient(120deg, #060d20 0%, #0c2352 55%, #123a8f 100%); position: relative; overflow: hidden; }
[data-theme="dark"] .stat-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 50% 90% at 85% 10%, rgba(34, 197, 94, .12), transparent 60%); pointer-events: none; }
[data-theme="dark"] .stat-band .container { position: relative; z-index: 1; }
[data-theme="dark"] .cta-band { background: linear-gradient(110deg, #081228, #0e2a63 60%, #16448f); position: relative; overflow: hidden; }
[data-theme="dark"] .cta-band::before { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; background: rgba(34, 197, 94, .14); filter: blur(80px); right: -60px; top: -140px; }

/* ---------- 页头玻璃化（暗色，选中态由 .on 胶囊规则统管） ---------- */
[data-theme="dark"] .nav { backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }

/* ---------- 内页顶部横幅暗色化（V4 修正） ---------- */
[data-theme="dark"] .page-hero {
  background:
    radial-gradient(ellipse 55% 80% at 80% 15%, rgba(29, 78, 216, .35), transparent 65%),
    linear-gradient(180deg, #060d20 0%, #0a1730 100%);
  border-bottom: 1px solid rgba(148, 180, 255, .12);
}
[data-theme="dark"] .page-hero .grid {
  background-image: linear-gradient(rgba(148, 180, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 180, 255, .06) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 1;
}
[data-theme="dark"] .page-hero .glow { background: #16a34a; opacity: .18; }
[data-theme="dark"] .page-hero h1 { color: #f2f6ff; }
[data-theme="dark"] .page-hero p { color: #9fb2d8; }
[data-theme="dark"] .page-hero .crumb { color: #6d82ab; }
[data-theme="dark"] .page-hero .crumb a { color: #8fa5cd; }
[data-theme="dark"] .page-hero .crumb a:hover { color: #bcd3ff; }

/* =====================================================
   V5 首页大重构：全屏沉浸式居中标语 Hero（参考 AI 大厂单屏大标语）
   ===================================================== */
.hero-full {
  position: relative; overflow: hidden;
  min-height: 100vh; min-height: 100svh;   /* V52：真全屏（svh 自适应移动端动态视口），消除底部白条 */
  display: flex; flex-direction: column;
  background:
    radial-gradient(ellipse 62% 48% at 50% 18%, rgba(29, 78, 216, .34), transparent 66%),
    radial-gradient(ellipse 42% 40% at 12% 90%, rgba(22, 163, 74, .16), transparent 60%),
    radial-gradient(ellipse 38% 36% at 88% 86%, rgba(99, 102, 241, .16), transparent 62%),
    linear-gradient(180deg, #04091c 0%, #071026 52%, #0a1730 100%);
}
.hero-full::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 90% 60% at 50% 50%, transparent 55%, rgba(3, 6, 16, .55) 100%);
}
.hero-full .fx-canvas { position: absolute; inset: 0; z-index: 1; }
.hero-full .fx-orb, .hero-full .fx-grid { z-index: 1; }
.hf-inner {
  position: relative; z-index: 2; text-align: center; flex: 1;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: 120px 0 30px;
}
.hf-inner .fx-badge { margin-bottom: 30px; }
.hero-full h1 {
  font-size: clamp(34px, 5.6vw, 68px); line-height: 1.22; color: #f2f6ff;
  font-weight: 800; letter-spacing: 2px; margin-bottom: 26px;
  text-shadow: 0 0 80px rgba(96, 165, 250, .28);
}
.hero-full h1 em {
  font-style: normal;
  background: linear-gradient(94deg, #60a5fa 0%, #22c55e 60%, #86efac 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 26px rgba(34, 197, 94, .35));
}
.hf-lead { color: #a3b6dd; font-size: 16.5px; line-height: 2.05; max-width: 720px; margin: 0 auto 38px; letter-spacing: .5px; }
.hf-cta { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.hf-cta .btn { min-width: 190px; padding: 14px 30px; font-size: 15px; }
.hf-cta .btn-outline { color: #bcd3ff; border-color: rgba(148, 180, 255, .4); }
.hf-cta .btn-outline:hover { background: rgba(96, 165, 250, .14); color: #fff; }
.hf-scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 2;
  width: 26px; height: 42px; border: 1.5px solid rgba(148, 180, 255, .4); border-radius: 14px;
  display: flex; justify-content: center; padding-top: 7px;
}
.hf-scroll span { width: 4px; height: 9px; border-radius: 2px; background: #60a5fa; animation: hfWheel 1.8s ease-in-out infinite; }
@keyframes hfWheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(13px); opacity: 0; } 100% { opacity: 0; } }
/* 底部信任条 */
/* 五列网格：左 2 项 + 中央 72px 空位（正中留给 .hf-scroll 滚轮提示椭圆）+ 右 2 项，严格对称 */
.hf-trust {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr 72px 1fr 1fr;
  align-items: center;
  margin-top: 10px; padding: 20px 0 30px;
  border-top: 1px solid rgba(148, 180, 255, .16);
}
.hf-trust .hf-scroll-gap { display: block; }
.hf-trust span {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  color: #9db4dd; font-size: 13.5px; letter-spacing: 1px; white-space: nowrap;
}
.hf-trust .tk { width: 6px; height: 6px; border-radius: 50%; background: linear-gradient(135deg, #60a5fa, #22c55e); box-shadow: 0 0 10px rgba(34, 197, 94, .7); }
@media (max-width: 900px) {
  .hero-full { min-height: 100vh; min-height: 100svh; }
  .hf-inner { padding-top: 120px; }
  .hf-trust { grid-template-columns: 1fr 1fr; row-gap: 8px; }
  .hf-trust .hf-scroll-gap { display: none; }
  .hf-trust span { padding: 4px 0; }
}
@media (max-width: 640px) {
  .hero-full h1 { font-size: 30px; }
  .hf-lead { font-size: 14.5px; }
  .hf-trust { justify-content: flex-start; padding-left: 10px; }
}

/* =====================================================
   AI 科技风：鼠标跟随柔和光晕（桌面端，JS 创建 .cursor-glow）
   ===================================================== */
.cursor-glow {
  position: fixed; left: 0; top: 0; z-index: 60;
  width: 520px; height: 520px; border-radius: 50%;
  pointer-events: none; opacity: 0;
  background: radial-gradient(circle,
    rgba(96, 165, 250, .13) 0%,
    rgba(34, 197, 94, .05) 40%,
    transparent 68%);
  mix-blend-mode: screen;
  transition: opacity .45s ease;
  will-change: transform;
}
@media (max-width: 980px) {
  .cursor-glow { display: none; }
}

/* =====================================================
   绿主色试水（V9.1）：导航胶囊 + 主按钮 + 发光改为绿色系
   回退：删除本段即可恢复蓝色系
   ===================================================== */
/* 主按钮：蓝渐变 → 绿渐变（#15803d 深绿 → #16a34a → #86efac 高光） */
.btn-primary {
  background: linear-gradient(100deg, #15803d 0%, #16a34a 48%, #22c55e 100%);
  box-shadow: 0 8px 20px rgba(22, 163, 74, .28);
}
.btn-primary:hover {
  background: linear-gradient(100deg, #166534 0%, #15803d 48%, #16a34a 100%);
  box-shadow: 0 12px 26px rgba(22, 163, 74, .42);
}
.fx-glow { box-shadow: 0 0 24px rgba(34, 197, 94, .5), inset 0 1px 0 rgba(255, 255, 255, .18); }
.fx-glow:hover { box-shadow: 0 0 42px rgba(34, 197, 94, .7), inset 0 1px 0 rgba(255, 255, 255, .18); }
/* 导航胶囊：选中底 + hover 字 + 滚入字 → 绿 */
.nav a.on, .nav a.on:hover { background-color: #16a34a; }
.nav a:hover { color: #16a34a; }
.nav a .ltr.a { color: #16a34a; }
.nav a.on .ltr.a { color: #fff; }

/* =========================================================
   长亭科技风（V10）：深空 Hero + 浅色内容区 + 黑白绿
   结构=深色首屏保留（粒子/光晕）+ 正文区白/浅灰底 + 红作唯一动作色
   回退：删除本段并 html 改回 data-theme="dark" 即恢复深色整站
   ========================================================= */
:root {
  --red: #16a34a;
  --blue: #16a34a;
  --blue-deep: #15171c;
  --blue-soft: #f0fdf4;
  --cyan: #16a34a;
  --green: #16a34a;
  --grad: linear-gradient(100deg, #16a34a 0%, #22c55e 55%, #86efac 120%);
  --text: #16181d;
  --text-2: #5d6470;
  --bg-gray: #f6f7f9;
  --shadow: 0 6px 24px rgba(40, 20, 30, .06);
  --shadow-hover: 0 14px 38px rgba(22, 163, 74, .13);
}
/* 内容区统一浅色基底 */
body { background: #fff; }
/* 内联 SVG 图标描边蓝/绿 → 红（presentation attribute 用属性选择器覆盖） */
svg[stroke="#1D4ED8"], svg[stroke="#1758f5"], svg[stroke="#22C55E"] { stroke: #16a34a !important; }
svg[fill="#1D4ED8"], svg[fill="#22C55E"] { fill: #16a34a !important; }
/* ---------- header：深空透明 → 滚动后白底黑字 ---------- */
/* 反白方案（用户定稿）：深底时整图刷纯白（云朵蓝色渐变一并刷白）；滚动白底后由 JS 切黑字版、滤镜取消 */
.logo img { filter: brightness(0) invert(1); }
.header.scrolled { background: rgba(255, 255, 255, .94); box-shadow: 0 1px 12px rgba(15, 25, 50, .08); }
.header.scrolled .logo img { filter: none; }
.header.scrolled .logo img { filter: none; }
.header.scrolled .logo-txt b,
.header.scrolled .hamburger { color: #14161b; }
@media (min-width: 981px) { .header.scrolled .nav a { color: #333a45; } } /* 移动端抽屉为深色底，不随 header 滚动态变深灰字 */
.header.scrolled .nav a .ltr.a { color: var(--red); }
/* 导航胶囊/hover：红（深浅两种 header 状态通用） */
.nav a:hover { color: var(--red); }
.nav a.on, .nav a.on:hover { background-color: var(--red); color: #fff; }
.nav a .ltr.a { color: var(--red); }
.nav a.on .ltr.a { color: #fff; }
/* ---------- 按钮/发光：绿色（压掉 V9.1 试水绿） ---------- */
.btn-primary {
  background: linear-gradient(100deg, #16a34a 0%, #22c55e 100%);
  box-shadow: 0 8px 20px rgba(22, 163, 74, .28);
}
.btn-primary:hover {
  background: linear-gradient(100deg, #15803d 0%, #16a34a 100%);
  box-shadow: 0 12px 26px rgba(22, 163, 74, .42);
}
.fx-glow { box-shadow: 0 0 24px rgba(22, 163, 74, .45), inset 0 1px 0 rgba(255, 255, 255, .2); }
.fx-glow:hover { box-shadow: 0 0 42px rgba(34, 197, 94, .68), inset 0 1px 0 rgba(255, 255, 255, .2); }
.btn-outline { background: transparent; border-color: rgba(22, 163, 74, .55); color: #15803d; }
.btn-outline:hover { background: rgba(22, 163, 74, .08); border-color: #16a34a; color: #15803d; }
/* ---------- 深空 Hero 内红化（绿色氛围） ---------- */
.hero-full h1 em {
  background: linear-gradient(94deg, #22c55e 0%, #16a34a 45%, #86efac 120%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 26px rgba(22, 163, 74, .35));
}
.fx-badge { background: rgba(22, 163, 74, .1); border-color: rgba(22, 163, 74, .35); color: #dcfce7; }
.fx-badge i { background: #16a34a; box-shadow: 0 0 10px #16a34a; }
.hf-trust { border-top-color: rgba(148, 180, 255, .14); }
.hf-trust span { color: #c3cbdd; }
.hf-trust .tk { background: #16a34a; box-shadow: 0 0 10px rgba(22, 163, 74, .8); }
.hf-cta .btn-outline { color: #dcfce7; border-color: rgba(34, 197, 94, .45); }
.hf-cta .btn-outline:hover { background: rgba(22, 163, 74, .16); color: #fff; }
.hf-scroll { border-color: rgba(34, 197, 94, .45); }
.hf-scroll span { background: #16a34a; }
/* ---------- 数据带：浅色底 + 红数字 ---------- */
.stat-band { background: #fff; border-bottom: 1px solid #f0f1f4; }
.stat-band .item .num { color: var(--red); }
.stat-band .item .lab { color: var(--text-2); }
/* ---------- V11：about-intro 侧栏资质卡去蓝 → 深空绿（长亭风） ---------- */
.about-intro .side { background: linear-gradient(160deg, #101318, #14352a); border: 1px solid rgba(255,255,255,.07); }
.about-intro .side h4 { color: #22c55e; }
.about-intro .side .slogan { color: #9aa8b8; border-top-color: rgba(255,255,255,.12); }
/* ---------- 内页横幅：深空 + 绿色氛围（修复文字不可见 + 布局增强） ---------- */
.page-hero {
  background:
    radial-gradient(ellipse 55% 95% at 88% 8%, rgba(22, 163, 74, .16), transparent 62%),
    radial-gradient(ellipse 40% 60% at 0% 100%, rgba(22, 163, 74, .07), transparent 60%),
    linear-gradient(120deg, #0b0d12, #12161c 58%, #0c1712);
  padding: 158px 0 88px;
}
.page-hero .grid { display: block; }
.page-hero .glow { display: block; background: #16a34a; opacity: .13; }
.page-hero h1 {
  color: #f4f7fb; font-size: 40px; letter-spacing: 3px; font-weight: 700;
  position: relative; padding-left: 20px;
}
.page-hero h1::before {
  content: ""; position: absolute; left: 0; top: 9px; bottom: 9px; width: 4px; border-radius: 2px;
  background: linear-gradient(180deg, #22c55e, #15803d);
  box-shadow: 0 0 16px rgba(22, 163, 74, .65);
}
.page-hero p { color: #9aa8b8; font-size: 15.5px; margin-top: 14px; }
.page-hero .crumb {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 24px;
  padding: 7px 16px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 999px;
  background: rgba(255, 255, 255, .04); font-size: 13px; color: #77828f;
}
.page-hero .crumb a { color: #22c55e; text-decoration: none; }
.page-hero .crumb a:hover { color: #86efac; }
/* ---------- CTA / 页脚：近黑 + 绿（修复蓝色残留） ---------- */
.cta-band .container {
  background: linear-gradient(118deg, #0d1015 0%, #131a1c 55%, #0d211a 100%);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .35);
  border: 1px solid rgba(255, 255, 255, .06);
}
.cta-band .container::before,
.cta-band .container::after { background: linear-gradient(90deg, transparent, rgba(22, 163, 74, .35), transparent); }
.cta-band h2 { color: var(--cyan); }
.cta-band p { color: #9aa3b2; }
.footer { background: linear-gradient(180deg, #14161b 0%, #0b0c10 100%); }
.footer::before { background: linear-gradient(90deg, #16a34a, #86efac); opacity: .85; }
/* 编号/细节点缀统一绿（news cate 为实心绿胶囊，文字必须用白色保证可读） */
.news-card .meta .cate { color: #fff; text-shadow: 0 1px 2px rgba(0, 0, 0, .12); }
.case-card .tag { color: var(--red); border: 1px solid rgba(22, 163, 74, .3); }
.industry-tabs button.on { background: var(--grad); color: #fff; }
.industry-tabs button:hover { color: var(--red); }

/* ---------- V10 补充：hero 深空光斑/背景红调、移动抽屉浅色化 ---------- */
/* V40：hero 底图弃用照片，改纯深黑渐变（星空感全部交给 WebGL 稀疏星星 + 流星），极光带/大光斑已隐藏 */
.hero-full {
  background:
    radial-gradient(ellipse 130% 90% at 50% 115%, rgba(22, 163, 74, .05), transparent 60%),
    linear-gradient(180deg, #04060a 0%, #060a10 52%, #05070a 100%);
}
.hero-full .fx-orb { display: none; }
.hf-aurora { display: none; }
.hf-sweep { display: none; }   /* V48：去掉斜跨光带（银河带观感） */
.fx-orb.o1 { background: rgba(22, 163, 74, .16); }
.fx-orb.o2 { background: rgba(34, 197, 94, .14); }
.fx-orb.o3 { background: rgba(34, 197, 94, .16); }
@media (max-width: 980px) {
  /* 移动抽屉：深色玻璃面板（与整站深空绿统一），不再用白色以免与页面融为一体 */
  .nav {
    background: linear-gradient(180deg, #101318 0%, #0c1512 100%);
    border-left: 1px solid rgba(22, 163, 74, .28);
    box-shadow: -18px 0 44px rgba(0, 0, 0, .55);
  }
  .nav a { color: #cfd8e4; border-radius: 10px; }
  .nav a:hover { color: #22c55e; background: rgba(22, 163, 74, .08); }
  .nav a.on { color: #fff; background: rgba(22, 163, 74, .22); }
}
/* 移动抽屉遮罩：点空白处关闭（层级低于 header 的 100，汉堡仍可点击） */
.nav-mask {
  position: fixed; inset: 0; z-index: 99;
  background: rgba(4, 8, 6, .55); backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
.nav-mask.on { opacity: 1; pointer-events: auto; }
@media (min-width: 981px) { .nav-mask { display: none; } }

/* ---------- V11：硬编码蓝色残留统一去蓝（长亭绿） ---------- */
.sol-card-l .go { color: #15803d; }
.sol-tags span { color: #15803d; background: #f0fdf4; border: 1px solid #bbf7d0; }
.float-bar .fbtn.fac { background: #fff; color: var(--cyan); }
.float-bar .fbtn.fac:hover { background: #f0fdf4; color: var(--cyan); }
.chat-head { background: linear-gradient(110deg, #101318, #14352a); }
.chat-head span { color: #9aa8b8; }
.culture-card .cu-name {
  background: linear-gradient(120deg, #16181d, #15803d 60%, #22c55e);
  -webkit-background-clip: text; background-clip: text;
}
.timeline::before { background: linear-gradient(#16a34a, #22c55e); }
.stat-band .item .num { background: none; -webkit-text-fill-color: currentColor; }
.industry-tabs button { border-color: #bbf7d0; }
.industry-tabs button:hover { border-color: #16a34a; }

/* =====================================================
   千寻智能式光标 V2（桌面 fine 指针）
   · 系统原生指针保留（不做 cursor:none），链接处自动手型
   · 白色圆点跟随指针（链接上自动收小让位）
   · hover 顶部 logo → 页面级放大镜视窗（克隆 header 局部放大）
   ===================================================== */
.cu {
  position: fixed; left: 0; top: 0; z-index: 2147482000;
  width: 18px; height: 18px; pointer-events: none; opacity: 0;
  transition: opacity .3s ease;
  /* 差值混合必须放在外层 .cu 上：.cu-core 处于 .cu 的层叠上下文内，
     在内层混合只会跟 .cu 的透明底混合（永远呈白色）。放外层则直接与页面画面混合。 */
  mix-blend-mode: difference;
}
.cu-core {
  position: absolute; inset: 0; border-radius: 50%;
  background: #fff;
  transition: transform .18s ease, opacity .18s ease;
}
.cu[data-s="link"] .cu-core { transform: scale(.5); opacity: .5; }
.cu[data-s="zoom"] .cu-core { transform: scale(0); opacity: 0; }
/* 页面级放大镜视窗：圆形镜面 + 绿色镜框 + 玻璃高光 */
.mag {
  position: fixed; left: 0; top: 0; z-index: 2147483000;
  width: 132px; height: 132px; margin: -66px 0 0 -66px;
  border-radius: 50%; overflow: hidden; pointer-events: none;
  background: #0c0f14;
  border: 2px solid rgba(22, 163, 74, .9);
  box-shadow: 0 12px 36px rgba(0, 0, 0, .38), 0 0 0 6px rgba(22, 163, 74, .14), inset 0 0 22px rgba(22, 163, 74, .18);
  opacity: 0; transition: opacity .22s ease;
}
.mag.on { opacity: 1; }
.mag::after {
  content: ""; position: absolute; left: 16%; top: 10%; width: 36%; height: 22%;
  border-radius: 50%; pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, .25), transparent);
}
@media (hover: none), (pointer: coarse) {
  .cu, .mag { display: none; }
}

/* =====================================================
   全屏开机页（进入官网首屏加载动画）
   · 全屏背景大图 + 深绿遮罩 + 品牌名 + 0→100 百分比 + 进度条
   · 静态骨架注入在各页 <body> 顶部（秒显不闪白），site.js 接管计数
   · 满 100 加 .done 淡出；?boot=1 可强制重播；会话内默认仅播一次
   ===================================================== */
#boot {
  position: fixed; inset: 0; z-index: 2147483600;
  background: #04060a; overflow: hidden;
  transition: opacity .7s ease, visibility .7s ease;
}
#boot .boot-bg { display: none; }
#boot .boot-shade {
  position: absolute; inset: 0;
  /* V37：按用户要求去掉绿色遮罩，仅保留中性轻压暗保证数字可读 */
  background: rgba(0, 0, 0, .16);
}
#boot .boot-fx { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
#boot .boot-in {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; color: #fff; text-align: center; padding: 0 24px;
}
#boot .boot-in b { display: flex; justify-content: center; gap: 14px; font-size: 46px; font-weight: 800; line-height: 1.25; }
#boot .boot-in i { display: flex; justify-content: center; gap: 7px; font-style: normal; font-size: 21px; color: rgba(255,255,255,.66); }
/* 逐字飞入：字块初始左移+模糊+透明，随进度逐个入场（由 JS 按百分比加 .in） */
#boot .boot-in b span,
#boot .boot-in i span {
  display: inline-block; opacity: 0; transform: translateX(-44px); filter: blur(3px);
  transition: transform .55s cubic-bezier(.22, 1, .36, 1), opacity .45s ease, filter .45s ease;
  will-change: transform, opacity;
}
#boot .boot-in b span.in,
#boot .boot-in i span.in { opacity: 1; transform: translateX(0); filter: blur(0); }
#boot .boot-in em {
  font-style: normal; font-weight: 800; font-size: 68px; line-height: 1.1;
  font-variant-numeric: tabular-nums; letter-spacing: 2px;
  color: #16a34a;
  text-shadow: 0 0 42px rgba(22, 163, 74,.25);
  margin-top: 12px;
}
#boot .boot-in em::after { content: "%"; font-size: 28px; font-weight: 700; margin-left: 4px; }
#boot .boot-bar {
  width: 250px; height: 3px; border-radius: 3px; overflow: hidden;
  background: rgba(255,255,255,.16); margin-top: 4px;
}
#boot .boot-bar u {
  display: block; height: 100%; width: 0; border-radius: 3px;
  background: linear-gradient(90deg, #16a34a, #86efac);
  box-shadow: 0 0 10px rgba(22, 163, 74,.8);
  transition: width .13s linear;
}
#boot.done { opacity: 0; visibility: hidden; pointer-events: none; }
#boot.done .boot-in { transform: translateY(-14px); transition: transform .7s ease; }
/* 音效开关：开机页右下角圆形喇叭按钮 */
#boot .boot-snd {
  position: absolute; right: 18px; bottom: 18px; z-index: 3;
  width: 38px; height: 38px; border-radius: 50%; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .22);
  color: rgba(255, 255, 255, .85); transition: background .25s, transform .25s;
}
#boot .boot-snd:hover { background: rgba(255, 255, 255, .18); transform: scale(1.06); }
#boot .boot-snd svg { width: 18px; height: 18px; }
#boot .boot-snd .i-off { display: none; }
#boot .boot-snd.off .i-on { display: none; }
#boot .boot-snd.off .i-off { display: block; }
#boot .boot-snd.off { color: rgba(255, 255, 255, .45); }
@keyframes bootZoom { to { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) {
  #boot .boot-bg { animation: none; transform: none; }
  #boot .boot-in b span,
  #boot .boot-in i span { opacity: 1; transform: none; filter: none; transition: none; }
  #boot .boot-snd { animation: none; }
}
@media (max-width: 640px) {
  #boot .boot-in b { font-size: 34px; gap: 10px; }
  #boot .boot-in i { font-size: 16px; gap: 5px; }
  #boot .boot-in em { font-size: 50px; }
  #boot .boot-bar { width: 190px; }
  #boot .boot-snd { right: 12px; bottom: 12px; width: 34px; height: 34px; }
}

/* ---------- V13：首页 hero 轮播（3 张画面：主品牌/解决方案/安全服务） ---------- */
.hf-slide {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: 110px 20px 30px;
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: opacity .8s ease, visibility .8s, transform .8s ease;
  pointer-events: none;
}
/* 关键修复：hf-inner 是 flex 列容器子项 + .container 的 margin:auto 会让宽度塌缩为
   fit-content；轮播层全部 absolute 后流内容为空 → 宽度归 0，标题被挤成竖排。
   显式 width:100% 恢复占满（max-width 由 .container 提供）。 */
.hf-inner { width: 100%; }
.hf-slide.on { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
/* 防 flex 收缩导致标题竖排：文字块占满整行，由 text-align 居中 */
.hf-slide h1, .hf-slide .hf-lead { width: 100%; text-align: center; }
.hf-slide .hf-cta { width: 100%; }
.hf-dots {
  position: absolute; left: 50%; bottom: 88px; transform: translateX(-50%); z-index: 3;
  display: flex; gap: 10px;
}
.hf-dots .dot {
  width: 26px; height: 4px; border-radius: 2px; border: 0; padding: 0;
  background: rgba(255, 255, 255, .22); cursor: pointer; transition: all .3s;
}
.hf-dots .dot.on { width: 42px; background: #16a34a; box-shadow: 0 0 8px rgba(22, 163, 74, .7); }
@media (max-width: 980px) { .hf-dots { bottom: 76px; } }

/* ---------- V14：轮播背景炫效（旋转光环/雷达扩散/扫光/极光带 + 色调联动） ---------- */
.hero-full { --tint: 16, 185, 129; --tint2: 110, 231, 183; transition: none; }
/* 三屏均保持绿系：翡翠绿 → 深青绿 → 亮草绿，明度冷暖微差、不跳色相 */
.hero-full[data-tint="2"] { --tint: 5, 150, 105; --tint2: 52, 211, 153; }
.hero-full[data-tint="3"] { --tint: 34, 197, 94; --tint2: 134, 239, 172; }
/* 旋转光环：conic 光带绕标题，mask 出圆环 */
.hf-ring {
  position: absolute; left: 50%; top: 42%; width: 620px; height: 620px;
  margin: -310px 0 0 -310px; border-radius: 50%; z-index: 1; pointer-events: none;
  background: conic-gradient(from 0deg,
    transparent 0deg, rgba(var(--tint), 0) 30deg,
    rgba(var(--tint), .30) 95deg, rgba(var(--tint2), .55) 130deg,
    transparent 200deg, transparent 360deg);
  -webkit-mask: radial-gradient(closest-side, transparent 60%, #000 62%, #000 65%, transparent 67%);
  mask: radial-gradient(closest-side, transparent 60%, #000 62%, #000 65%, transparent 67%);
  animation: hfSpin 16s linear infinite;
  transition: background .8s ease;
}
.hf-ring.r2 {
  width: 880px; height: 880px; margin: -440px 0 0 -440px;
  animation-duration: 30s; animation-direction: reverse; opacity: .45;
  -webkit-mask: radial-gradient(closest-side, transparent 70%, #000 71.5%, #000 73.5%, transparent 75%);
  mask: radial-gradient(closest-side, transparent 70%, #000 71.5%, #000 73.5%, transparent 75%);
}
@keyframes hfSpin { to { transform: rotate(360deg); } }
/* 雷达扩散圈 */
.hf-pulse {
  position: absolute; left: 50%; top: 42%; width: 140px; height: 140px;
  margin: -70px 0 0 -70px; border-radius: 50%; z-index: 1; pointer-events: none;
  border: 1px solid rgba(var(--tint), .45);
  animation: hfPulse 4.5s ease-out infinite;
  transition: border-color .8s ease;
}
.hf-pulse.p2 { animation-delay: 2.25s; }
@keyframes hfPulse { 0% { transform: scale(.35); opacity: .75; } 100% { transform: scale(5.6); opacity: 0; } }
/* 斜向扫光 */
.hf-sweep {
  position: absolute; inset: -20%; z-index: 1; pointer-events: none;
  background: linear-gradient(115deg,
    transparent 42%, rgba(var(--tint2), .06) 47%,
    rgba(255, 255, 255, .09) 50%, rgba(var(--tint2), .06) 53%, transparent 58%);
  transform: translateX(-70%);
  animation: hfSweep 9s ease-in-out infinite;
}
@keyframes hfSweep { 0%, 50% { transform: translateX(-70%); } 80%, 100% { transform: translateX(70%); } }
/* 极光漂移带 */
.hf-aurora {
  position: absolute; left: -22%; top: -32%; width: 82%; height: 92%; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse 52% 42% at 30% 32%, rgba(var(--tint), .13), transparent 70%);
  filter: blur(28px);
  animation: hfDrift 18s ease-in-out infinite alternate;
  transition: background .8s ease;
}
.hf-aurora.a2 {
  left: auto; right: -26%; top: auto; bottom: -36%;
  background: radial-gradient(ellipse 56% 46% at 70% 70%, rgba(var(--tint2), .09), transparent 70%);
  animation-duration: 26s; animation-direction: alternate-reverse;
}
@keyframes hfDrift { from { transform: translate(0, 0) rotate(0deg); } to { transform: translate(64px, 34px) rotate(5deg); } }
/* 弱动效偏好 / 触屏降载：关闭装饰动画 */
@media (prefers-reduced-motion: reduce) {
  .hf-ring, .hf-pulse, .hf-sweep, .hf-aurora { animation: none; }
}
@media (max-width: 980px) {
  .hf-ring { width: 440px; height: 440px; margin: -220px 0 0 -220px; }
  .hf-ring.r2 { width: 640px; height: 640px; margin: -320px 0 0 -320px; }
}

/* ---------- V15：WebGL 极光背景层（initHeroWebGL 动态插入，失败时不渲染） ---------- */
.fx-webgl { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; display: block; }

/* ---------- V15：WebGL 极光背景层（initHeroWebGL 动态插入，失败时不渲染） ---------- */
.fx-webgl { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; display: block; }

/* ---------- 页脚友情链接 ---------- */
.flinks {
  display: flex; justify-content: center; align-items: center; flex-wrap: wrap;
  gap: 10px 12px; margin-bottom: 14px; font-size: 13px;
}
.flinks span { color: #77828f; letter-spacing: 1px; }
.flinks a { color: #9fb4dc; text-decoration: none; transition: color .2s; }
.flinks a:hover { color: #22c55e; }
.flinks i { color: rgba(255, 255, 255, .22); font-style: normal; }

/* ---------- 语言切换（V21 i18n） ---------- */
.lang-switch { position: relative; margin-left: 10px; flex: none; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  background: rgba(255, 255, 255, .08); color: #dfe6f2;
  border: 1px solid rgba(255, 255, 255, .16); border-radius: 999px;
  padding: 7px 16px; font-size: 13px; cursor: pointer; font-family: inherit;
  transition: all .25s;
}
.lang-btn:hover { border-color: rgba(22, 163, 74, .5); color: #fff; }
/* 滚动后 header 为白底，语言按钮切换为深色文字保证可读 */
.header.scrolled .lang-btn {
  color: #14161b; border-color: rgba(15, 23, 42, .2); background: rgba(15, 23, 42, .05);
}
.header.scrolled .lang-btn:hover { border-color: #16a34a; color: #15803d; }
.lang-menu {
  display: none; position: absolute; right: 0; top: calc(100% + 10px);
  background: #101318; border: 1px solid rgba(255, 255, 255, .12); border-radius: 14px;
  padding: 8px; min-width: 184px; box-shadow: 0 16px 40px rgba(0, 0, 0, .5); z-index: 200;
}
.lang-switch.open .lang-menu { display: block; }
.lang-menu button {
  display: flex; align-items: center; width: 100%; text-align: left;
  padding: 10px 14px; margin: 2px 0;
  background: none; border: 0; color: #cfd8e4; font-size: 14px; line-height: 1;
  white-space: nowrap; border-radius: 9px; cursor: pointer; font-family: inherit;
  transition: background .2s ease, color .2s ease;
}
.lang-menu button:hover { background: rgba(22, 163, 74, .14); color: #fff; }
.lang-menu button.on { background: rgba(22, 163, 74, .16); color: #22c55e; font-weight: 600; }
.lang-menu button::after {
  content: ""; margin-left: auto; width: 7px; height: 7px; border-radius: 50%;
  background: transparent; flex: none;
}
.lang-menu button.on::after { background: #22c55e; box-shadow: 0 0 8px rgba(34, 197, 94, .9); }
@media (max-width: 980px) {
  .lang-switch { margin: 14px 16px 0; width: calc(100% - 32px); }
  .lang-btn { width: 100%; text-align: left; }
  .lang-menu { left: 0; right: auto; width: 100%; }
}

/* ---------- 头部 flex 防压缩（外文导航较长时 logo/按钮不被挤压变形） ---------- */
.header .container > .logo { flex: none; margin-right: 32px; }
.header .container > .logo img { max-width: none; }
.nav-cta { flex: none; }

/* ---------- V41：可点击卡片文字统一居中（方案/案例/新闻/服务/品牌/业务卡） ---------- */
.sol-card-l, .sol-card, .case-card, .news-card, .svc6 .card, .brand-card, .biz-card { text-align: center; }
.sol-card-l .ico, .sol-card .ico, .cap-grid .card .ico { margin-left: auto; margin-right: auto; }
.sol-card-l .tags, .sol-card .tags { justify-content: center; }
.sol-card-l .tags span { display: inline-block; }
.news-card .meta { justify-content: center; }
.brand-card .prods { text-align: center; }

/* ---------- V54：全屏切换按钮（固定悬浮右上角，绿色四角框图标；进入/退出双状态；触屏设备隐藏） ---------- */
/* V55：按用户要求去掉外圈（边框/圆底），仅保留图标本身 */
.fs-btn {
  position: fixed; top: 16px; right: 16px; z-index: 200;
  width: 40px; height: 40px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 0;
  color: #16a34a; cursor: pointer; transition: all .25s;
}
.fs-btn svg { width: 27px; height: 27px; }
.fs-btn .i-exit { display: none; }
.fs-btn:hover { transform: scale(1.12); filter: drop-shadow(0 0 8px rgba(22, 163, 74, .55)); }
.fs-btn.on .i-enter { display: none; }
.fs-btn.on .i-exit { display: block; }
/* 窄屏（抽屉菜单模式 ≤980px）：全屏按钮对齐 header 行、移到汉堡按钮左侧，
   不再与 ☰ 重叠；z-index 压到遮罩(99)之下，抽屉打开时自然被盖住不打架 */
@media (max-width: 980px) {
  .fs-btn { top: 17px; right: 64px; z-index: 90; }
}
/* 小屏进一步缩小图标 */
@media (max-width: 640px) {
  .fs-btn { top: 21px; right: 60px; width: 32px; height: 32px; }
  .fs-btn svg { width: 21px; height: 21px; }
}
/* 不支持元素全屏的环境（如 iPhone Safari）由 JS 特性检测直接不创建按钮 */

/* ---------- V70 流星雨：hero 常驻流星层（替换着色器内旧流星，光痕更亮更密集） ---------- */
.hf-meteors { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.hf-meteors i {
  --rot: 35deg;
  position: absolute; width: 150px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(185, 216, 255, .85) 62%, #fff 100%);
  filter: drop-shadow(0 0 6px rgba(165, 205, 255, .95));
  opacity: 0; animation-name: hfMeteor; animation-timing-function: linear; animation-fill-mode: both;
  will-change: transform, opacity;
}
@keyframes hfMeteor {
  0%   { transform: rotate(var(--rot)) translateX(0); opacity: 0; }
  9%   { opacity: 1; }
  72%  { opacity: .95; }
  100% { transform: rotate(var(--rot)) translateX(58vw); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .hf-meteors { display: none; } }

/* ---------- V70 流星雨：hero 常驻流星层（替换着色器内旧流星，光痕更亮更密集） ---------- */
.hf-meteors { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.hf-meteors i {
  --rot: 35deg;
  position: absolute; width: 150px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(185, 216, 255, .85) 62%, #fff 100%);
  filter: drop-shadow(0 0 6px rgba(165, 205, 255, .95));
  opacity: 0; animation-name: hfMeteor; animation-timing-function: linear; animation-fill-mode: both;
  will-change: transform, opacity;
}
@keyframes hfMeteor {
  0%   { transform: rotate(var(--rot)) translateX(0); opacity: 0; }
  9%   { opacity: 1; }
  72%  { opacity: .95; }
  100% { transform: rotate(var(--rot)) translateX(58vw); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .hf-meteors { display: none; } }

/* ---------- V71：首页 hero 三屏星空图片背景（随轮播 data-tint 交叉淡入淡出） ----------
   三屏各配一张星空实拍风背景图；流星雨层 .hf-meteors(z-index:1) 与文字层 .hf-inner(z-index:2)
   层级保持不变，流星仍浮于图片之上、文字之下。 */
.hf-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-repeat: no-repeat; background-position: center; background-size: cover;
  filter: brightness(1.14) saturate(1.08);
  opacity: 0; transition: opacity 1.1s ease;
}
.hf-bg.b1 { background-image: url(../images/hero-bg-team.webp); }      /* 让专业团队助力每一个用户业务发展 */
.hf-bg.b2 { background-image: url(../images/hero-bg-solution.webp); }  /* 一站式解决方案 */
.hf-bg.b3 { background-image: url(../images/hero-bg-security.webp); }  /* 7×24 安全守护（安全服务） */
/* 压暗蒙版：上下加深与相邻区块衔接，中部保留星云质感，同时保证白色标题对比度 */
.hf-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 78% 64% at 50% 42%, rgba(4, 9, 28, .14) 0%, rgba(4, 9, 28, .58) 100%),
    linear-gradient(180deg, rgba(4, 9, 28, .46) 0%, rgba(4, 9, 28, .12) 34%, rgba(4, 9, 28, .22) 70%, rgba(4, 9, 28, .66) 100%);
}
.hero-full[data-tint="1"] .hf-bg.b1,
.hero-full[data-tint="2"] .hf-bg.b2,
.hero-full[data-tint="3"] .hf-bg.b3 { opacity: 1; }
/* WebGL 深空层改用滤色混合轻叠在图片之上：保留动态星点闪烁与中央能量晕，不再遮挡背景图 */
.hero-full .fx-webgl { opacity: .38; mix-blend-mode: screen; }
@media (max-width: 900px) {
  .hf-bg { background-position: center 42%; }
  .hero-full .fx-webgl { opacity: .26; }
}

/* =========================================================
   新闻分享 / 打印
   方案复用自奇峰科技官网，配色改用京信服品牌蓝（--blue 系）
   ========================================================= */
/* 横排分享栏（窄屏兜底） */
.share-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; padding-top: 22px; border-top: 1px solid #eaeff8; }
.share-bar .sb-label { font-size: 13.5px; color: #8ea0bd; margin-right: 2px; }
.sb-btn {
  display: inline-flex; align-items: center; gap: 7px; height: 38px; padding: 0 15px;
  border-radius: 999px; border: 1px solid #dbe4f5; background: #f7faff; color: #14213d;
  font-size: 13.5px; font-family: inherit; cursor: pointer; transition: all .2s; line-height: 1;
}
.share-bar .sb-btn svg, .share-rail .sb-btn svg { width: 17px; height: 17px; flex: none; color: var(--blue); }
.sb-btn:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); box-shadow: 0 0 0 4px rgba(29, 78, 216, .08); }
.share-bar .sb-print { margin-left: auto; }
.share-bar .sb-print svg, .share-rail .sb-print svg { color: #7b8aa6; }
.share-bar .sb-print:hover svg, .share-rail .sb-print:hover svg { color: var(--blue); }

/* 竖排悬浮分享栏：宽屏时浮于正文卡片右侧，窄屏隐藏（由底部 share-bar 兜底） */
.detail-wrap { position: relative; }
.share-rail {
  display: none; position: absolute; top: 44px; right: -150px; width: 132px;
  flex-direction: column; align-items: stretch; gap: 8px; z-index: 6;
}
.share-rail .sb-btn { width: 100%; }
.share-rail .sb-title { font-size: 13px; color: #8ea0bd; text-align: center; padding: 2px 0 4px; letter-spacing: 2px; }
@media (min-width: 1200px) {
  .share-rail { display: flex; }
  .share-bar { display: none; }
}

/* 轻提示 */
.share-toast {
  position: fixed; left: 50%; bottom: 44px; transform: translateX(-50%) translateY(12px);
  background: rgba(8, 26, 51, .92); color: #fff; font-size: 13.5px; padding: 11px 20px;
  border-radius: 10px; opacity: 0; pointer-events: none; transition: all .25s; z-index: 12000;
  max-width: 90vw; text-align: center; line-height: 1.6;
}
.share-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 二维码分享弹窗（桌面端扫一扫） */
.share-modal {
  position: fixed; inset: 0; background: rgba(8, 16, 36, .55); display: flex; align-items: center;
  justify-content: center; padding: 20px; opacity: 0; visibility: hidden; transition: all .22s; z-index: 12500;
}
.share-modal.open { opacity: 1; visibility: visible; }
.share-modal .sm-card {
  position: relative; width: 340px; max-width: 100%; background: #fff; border-radius: 16px;
  padding: 26px 22px 20px; text-align: center; box-shadow: 0 24px 70px rgba(10, 30, 80, .3);
}
.share-modal .sm-close {
  position: absolute; right: 12px; top: 12px; width: 32px; height: 32px; border: 0; border-radius: 9px;
  background: #f3f6fc; color: #7b8aa6; font-size: 14px; cursor: pointer; transition: all .2s;
}
.share-modal .sm-close:hover { background: var(--blue-soft); color: var(--blue); }
.share-modal .sm-title { font-size: 16.5px; color: #14213d; margin: 0 0 16px; }
.share-modal .sm-qr { display: flex; align-items: center; justify-content: center; min-height: 168px; margin-bottom: 14px; }
.share-modal .sm-qr-box { width: 156px; height: 156px; border: 1px solid #e8eefb; border-radius: 10px; padding: 6px; background: #fff; }
.share-modal .sm-qr-box img, .share-modal .sm-qr-box canvas { width: 100% !important; height: 100% !important; display: block; }
/* 极端情况下 qrcodejs 回退为 table 渲染（不支持 canvas 的旧环境），保持同样尺寸 */
.share-modal .sm-qr-box table { width: 100% !important; height: 100% !important; border-collapse: collapse; margin: 0 auto; }
.share-modal .sm-qr-box table td { padding: 0; line-height: 0; }
.share-modal .sm-qr-load { font-size: 13px; color: #8ea0bd; }
.share-modal .sm-tip { font-size: 12.5px; color: #7b8aa6; line-height: 1.75; margin: 0 0 16px; }
.share-modal .sm-link { display: flex; gap: 8px; }
.share-modal .sm-link input {
  flex: 1; min-width: 0; border: 1px solid #dbe4f5; border-radius: 9px; padding: 9px 12px;
  font-size: 12.5px; color: #5c6b8a; background: #f9fbff; font-family: inherit;
}
.share-modal .sm-copy {
  flex: none; border: 0; border-radius: 9px; padding: 0 16px; color: #fff; font-size: 13px;
  font-family: inherit; cursor: pointer; background: linear-gradient(100deg, #1D4ED8, #3B82F6);
}
.share-modal .sm-copy:hover { box-shadow: 0 6px 16px rgba(29, 78, 216, .32); }

/* 微信 / 企业微信内置浏览器：右上角「···」引导蒙层 */
.wx-guide {
  position: fixed; inset: 0; background: rgba(8, 16, 36, .72); z-index: 13000;
  opacity: 0; visibility: hidden; transition: all .22s;
}
.wx-guide.open { opacity: 1; visibility: visible; }
.wx-guide .wg-arrow { position: absolute; right: 26px; top: 14px; font-size: 40px; color: #fff; line-height: 1; }
.wx-guide .wg-card {
  margin: 104px 26px 0; background: #fff; border-radius: 14px; padding: 20px 18px;
  border-top: 3px solid var(--blue);
}
.wx-guide .wg-t { display: block; font-size: 15.5px; color: #14213d; margin-bottom: 8px; }
.wx-guide .wg-p { font-size: 13.5px; color: #5c6b8a; line-height: 1.8; }

@media (max-width: 640px) {
  .share-bar { gap: 8px; }
  .share-bar .sb-label { width: 100%; margin-bottom: 2px; }
  .share-bar .sb-btn { height: 36px; padding: 0 12px; font-size: 13px; }
  .share-bar .sb-print { margin-left: 0; }
}

/* 打印专用页眉/页脚：屏幕上不显示 */
.print-only { display: none; }
@page { margin: 15mm 14mm; }

/* 打印：仅保留文章正文 */
@media print {
  .header, .footer, .float-bar, .chat-panel, .share-bar, .share-rail, .share-modal, .wx-guide, .share-toast,
  .page-hero, .prod-crumb, .no-print, .cta-band, .fs-btn, .topbar, .nav-mask, .img-lightbox, .ver-toast,
  #boot, .loading-tip { display: none !important; }
  html, body { background: #fff !important; }
  .section { padding: 0 !important; }
  .detail-wrap { max-width: none !important; padding: 0 !important; }
  .detail-card { box-shadow: none !important; border: 0 !important; padding: 0 !important; background: #fff !important; border-radius: 0 !important; }
  .detail-card h1 { font-size: 21px !important; line-height: 1.5 !important; margin-bottom: 8px !important; color: #000 !important; }
  .detail-card .meta { border-bottom: 1px solid #ddd !important; padding-bottom: 8px !important; color: #444 !important; }
  .detail-body { font-size: 13px !important; color: #000 !important; line-height: 1.85 !important; }
  .detail-body p { color: #000 !important; orphans: 3; widows: 3; }
  .detail-body img { max-width: 100% !important; page-break-inside: avoid; }
  .detail-body h2, .detail-body h3, .detail-body h4 { page-break-after: avoid; color: #000 !important; }
  .detail-body a { color: #000 !important; text-decoration: none !important; }
  a[href]:after { content: ''; }
  /* 打印页眉/页脚 */
  .print-only { display: block !important; }
  .print-head {
    display: flex !important; justify-content: space-between; align-items: baseline;
    border-bottom: 2px solid var(--blue); padding-bottom: 8px; margin-bottom: 20px;
    font-size: 13px; color: #333;
  }
  .print-head .ph-l { font-weight: 700; letter-spacing: .5px; }
  .print-head .ph-r { color: #888; }
  .print-foot {
    margin-top: 26px; padding-top: 10px; border-top: 1px dashed #ccc;
    font-size: 11.5px; color: #777; line-height: 1.8; word-break: break-all;
  }
}

/* 升级包自动生效：版本提示条 */
.ver-toast {
  position: fixed; left: 50%; bottom: 44px; transform: translateX(-50%);
  background: rgba(8, 26, 51, .92); color: #fff; font-size: 13.5px; padding: 11px 20px;
  border-radius: 10px; z-index: 15000; max-width: 90vw; text-align: center;
  box-shadow: 0 10px 30px rgba(8, 26, 51, .35); font-family: inherit;
}

/* ---------- v1.13 导航二级下拉 ---------- */
.nav-item { position: relative; }
.nav a .caret { font-style: normal; font-size: 10px; opacity: .55; margin-left: 2px; transition: transform .25s; }
.nav-item:hover .caret { transform: rotate(180deg); opacity: .85; }
.nav-item .sub { position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px); padding: 6px; min-width: 150px;
  background: rgba(10, 16, 30, .96); border: 1px solid rgba(255,255,255,.09); border-radius: 12px;
  box-shadow: 0 16px 38px rgba(0,0,0,.42); opacity: 0; visibility: hidden;
  transition: opacity .22s ease, transform .22s ease, visibility .22s; z-index: 60; }
.nav-item:hover .sub, .nav-item:focus-within .sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav .nav-item .sub a { display: block; padding: 9px 14px; border-radius: 8px; font-size: 14px; color: #cfd8e4; white-space: nowrap; }
.nav .nav-item .sub a:hover { background: rgba(255,255,255,.06); color: #22c55e; }
.nav .nav-item .sub a.on { background: rgba(22,163,74,.2); color: #fff; }
/* 移动抽屉：二级项缩进平铺（不再是浮动面板） */
@media (max-width: 980px) {
  .nav-item { display: block; width: 100%; }
  .nav-item .sub { position: static; transform: none; opacity: 1; visibility: visible; background: none; border: 0; box-shadow: none; padding: 0 0 2px; min-width: 0; }
  .nav-item .sub a { padding: 10px 14px 10px 30px; font-size: 14.5px; color: #97a1b6; }
  .nav-item .sub a::before { content: "\203A"; margin-right: 8px; color: #66718a; }
  .nav-item .sub a.on { color: #fff; }
}

/* ---------- v1.14 合作伙伴页：生态链接卡片 ---------- */
.eco-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.eco-card { display: block; background: #ffffff; border: 1px solid #e8eefb; border-radius: 12px; padding: 18px 16px;
  text-decoration: none; transition: all .2s; }
.eco-card b { display: block; font-size: 15px; color: #14213d; margin-bottom: 6px; }
.eco-card span { display: block; font-size: 13px; color: #5d6470; line-height: 1.6; }
.eco-card i { display: inline-block; font-style: normal; font-size: 12.5px; color: var(--red); margin-top: 10px; }
.eco-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(22, 163, 74, .13); border-color: rgba(22,163,74,.35); }
@media (max-width: 900px) { .eco-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .eco-grid { grid-template-columns: 1fr; } }