@charset "utf-8";
/* ==========================================================================
   湖北广推网络 — 站点主样式
   科技质感 / 深空黑 + 电光蓝 + 紫罗兰渐变 / 响应式
   ========================================================================== */

:root{
  --ink:#070b16;
  --ink-2:#0b1122;
  --ink-3:#161e36;
  --paper:#ffffff;
  --mist:#f5f7fc;
  --mist-2:#eef1fa;
  --line:#e4e8f2;
  --line-2:#cfd5e4;
  --text:#0f1729;
  --text-2:#3c4860;
  --muted:#6a758c;
  --brand:#3b5bff;
  --brand-d:#2440d6;
  --brand-l:#edf1ff;
  --violet:#7c5cff;
  --cyan:#3fe0ff;
  --radius:6px;
  --shadow-s:0 2px 10px rgba(7,11,22,.05);
  --shadow-m:0 14px 40px rgba(7,11,22,.09);
  --shadow-l:0 24px 70px rgba(7,11,22,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
  --header-h:76px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;border:0;vertical-align:middle;}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent;}
h1,h2,h3,h4,h5{margin:0;font-weight:600;color:var(--ink);line-height:1.35;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
::selection{background:rgba(59,91,255,.16);}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px;}
.container--narrow{max-width:940px;}

.skip-link{position:absolute;left:-9999px;top:0;z-index:999;padding:10px 18px;background:var(--ink);color:#fff;}
.skip-link:focus{left:12px;top:12px;}

/* --------------------------------------------------------------------------
   顶部信息条
   -------------------------------------------------------------------------- */
.topbar{
  background:linear-gradient(90deg,#070b16 0%,#0b1122 48%,#161034 100%);
  color:rgba(255,255,255,.72);
  font-size:13px;
  letter-spacing:.02em;
  border-bottom:1px solid rgba(59,91,255,.28);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:38px;}
.topbar__left{display:flex;align-items:center;gap:18px;min-width:0;}
.topbar__left span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__left .sep{width:1px;height:11px;background:rgba(255,255,255,.18);flex:none;}
.topbar__right{display:flex;align-items:center;gap:10px;white-space:nowrap;}
.topbar__right a{color:#fff;font-weight:600;letter-spacing:.04em;}
.topbar__right a:hover{color:#8aa7ff;}
.topbar__label{color:rgba(255,255,255,.5);}

/* --------------------------------------------------------------------------
   页头 / 导航
   -------------------------------------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 30px rgba(7,11,22,.10),0 1px 0 rgba(59,91,255,.10);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h);}

.brand{display:flex;align-items:center;gap:0;flex:none;}
.brand__mark{
  width:34px;height:34px;border-radius:3px;flex:none;
  background:linear-gradient(150deg,var(--ink) 0%,var(--ink-2) 55%,var(--brand-d) 100%);
  position:relative;overflow:hidden;
}
.brand__mark::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(255,255,255,.9) 0 0) 9px 11px/16px 2px no-repeat,
    linear-gradient(90deg,rgba(255,255,255,.55) 0 0) 9px 16px/10px 2px no-repeat,
    linear-gradient(90deg,rgba(140,163,255,.95) 0 0) 9px 21px/13px 2px no-repeat;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{
  font-size:23px;font-weight:700;color:var(--ink);
  letter-spacing:.1em;white-space:nowrap;line-height:1.1;
}
.brand__sub{
  font-size:10.5px;color:var(--muted);letter-spacing:.14em;margin-top:4px;white-space:nowrap;
}

.nav{display:flex;align-items:center;gap:2px;}
.nav__item{position:relative;}
.nav__link{
  display:block;padding:0 13px;height:var(--header-h);line-height:var(--header-h);
  font-size:15px;color:var(--text-2);letter-spacing:.02em;
  transition:color .25s var(--ease);white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:0;height:2px;
  background:linear-gradient(90deg,#3b5bff,#7c5cff);transform:scaleX(0);transform-origin:center;
  transition:transform .3s var(--ease);
}
.nav__link:hover{color:var(--ink);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--ink);font-weight:600;}
.nav__link.is-active::after{transform:scaleX(1);}

.nav__drop{
  position:absolute;top:100%;left:50%;transform:translate(-50%,8px);
  min-width:170px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-m);padding:8px;
  opacity:0;visibility:hidden;
  transition:transform .24s var(--ease),visibility .24s;
}
.nav__item:hover .nav__drop,.nav__item:focus-within .nav__drop{opacity:1;visibility:visible;transform:translate(-50%,0);}
.nav__drop a{display:block;padding:9px 14px;font-size:14px;color:var(--text-2);}
.nav__drop a:hover{background:var(--mist);color:var(--brand-d);}

.header-cta{display:flex;align-items:center;gap:16px;flex:none;}
.header-phone{display:flex;flex-direction:column;line-height:1.25;text-align:right;}
.header-phone span{font-size:11px;color:var(--muted);letter-spacing:.06em;}
.header-phone strong{font-size:16px;color:var(--ink);letter-spacing:.03em;font-weight:700;}
.header-phone:hover strong{color:var(--brand-d);}

.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:3px;flex:none;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative;transition:background .2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:110;background:#fff;
  padding:calc(var(--header-h) + 40px) 0 40px;
  transform:translateX(100%);transition:transform .38s var(--ease);
  overflow-y:auto;visibility:hidden;
}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer__inner{padding:0 28px;}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;border-bottom:1px solid var(--line);
  font-size:17px;color:var(--ink);
}
.drawer__link small{font-size:12px;color:var(--muted);letter-spacing:.08em;}
.drawer__link.is-active{color:var(--brand-d);font-weight:600;}
.drawer__foot{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);}
.drawer__foot p{font-size:13px;color:var(--muted);margin-bottom:6px;}
.drawer__phone{font-size:24px;font-weight:700;color:var(--ink);letter-spacing:.03em;display:block;margin-bottom:10px;}
.drawer__addr{font-size:13.5px;color:var(--text-2);line-height:1.7;}

/* --------------------------------------------------------------------------
   按钮
   -------------------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:5px;
  font-size:15px;font-weight:500;letter-spacing:.04em;
  transition:all .28s var(--ease);white-space:nowrap;
}
.btn svg{flex:none;}
.btn--primary{
  background:linear-gradient(135deg,#3b5bff 0%,#6c45ff 100%);color:#fff;
  box-shadow:0 10px 26px rgba(59,91,255,.30);
}
.btn--primary:hover{
  background:linear-gradient(135deg,#2c4af0 0%,#5a33f5 100%);color:#fff;
  box-shadow:0 14px 34px rgba(59,91,255,.42);transform:translateY(-1px);
}
.btn--brand{
  background:linear-gradient(135deg,#3b5bff 0%,#6c45ff 100%);color:#fff;
  box-shadow:0 10px 26px rgba(59,91,255,.28);
}
.btn--brand:hover{
  background:linear-gradient(135deg,#2c4af0 0%,#5a33f5 100%);color:#fff;
  box-shadow:0 14px 34px rgba(59,91,255,.4);transform:translateY(-1px);
}
.btn--ghost{border:1px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.02);}
.btn--ghost:hover{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.08);}
.btn--line{border:1px solid var(--line-2);color:var(--ink);}
.btn--line:hover{border-color:var(--ink);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn__arrow{transition:transform .3s var(--ease);}
.btn:hover .btn__arrow{transform:translateX(4px);}

.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand-d);
  letter-spacing:.04em;font-weight:500;
}
.link-more::after{content:"";width:16px;height:1px;background:currentColor;transition:width .3s var(--ease);}
.link-more:hover::after{width:26px;}

/* --------------------------------------------------------------------------
   首页 Hero
   -------------------------------------------------------------------------- */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:84px 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 470px at 78% 8%,rgba(59,91,255,.42),transparent 62%),
    radial-gradient(560px 400px at 2% 108%,rgba(124,92,255,.26),transparent 68%),
    radial-gradient(520px 340px at 44% 44%,rgba(63,224,255,.10),transparent 72%),
    linear-gradient(160deg,#070b16 0%,#0a1024 52%,#0e1533 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.62;
  background-image:
    linear-gradient(114deg,transparent 41%,rgba(124,92,255,.18) 50%,transparent 59%),
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:auto,64px 64px,64px 64px;
  mask-image:radial-gradient(circle at 62% 38%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 62% 38%,#000 0%,transparent 78%);
}
.hero .container{position:relative;z-index:2;}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:56px;align-items:center;}
.hero__copy{max-width:600px;}

.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:12.5px;letter-spacing:.2em;color:#8aa7ff;margin-bottom:22px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;opacity:.7;}
.eyebrow--dark{color:var(--brand-d);}

.hero h1{
  color:#fff;font-size:clamp(30px,3.5vw,50px);line-height:1.28;
  letter-spacing:.01em;font-weight:700;
}
.hero h1 em{
  font-style:normal;position:relative;white-space:nowrap;
  color:#aec4ff;
  background:linear-gradient(96deg,#b6cdff 0%,#dcbfff 50%,#9bf3ff 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero__lead{
  margin-top:22px;font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.72);
  max-width:540px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:38px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}
.hero__meta li{display:flex;align-items:center;gap:8px;}
.hero__meta li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);flex:none;}

/* AI 答案卡视觉 */
.hero__visual{position:relative;padding:26px 0 26px 10px;}
.ai-card{
  position:relative;border-radius:8px;overflow:hidden;
  background:linear-gradient(165deg,rgba(255,255,255,.085),rgba(255,255,255,.03) 60%);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 30px 80px rgba(0,0,0,.45),0 0 0 1px rgba(59,91,255,.12),0 0 70px rgba(59,91,255,.14);
  backdrop-filter:blur(10px);
}
.ai-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(59,91,255,0),#3b5bff 30%,#8b5cf6 68%,rgba(63,224,255,0));
}
.ai-card__bar{
  display:flex;align-items:center;gap:9px;padding:14px 18px;
  border-bottom:1px solid rgba(255,255,255,.1);
  font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.62);
}
.ai-card__bar i{width:7px;height:7px;border-radius:50%;background:#6c8cff;box-shadow:0 0 0 4px rgba(108,140,255,.16);}
.ai-card__body{padding:20px 20px 22px;}
.ai-card__q{
  font-size:13.5px;color:rgba(255,255,255,.9);padding:10px 14px;
  background:rgba(255,255,255,.08);border-radius:3px;margin-bottom:16px;
  line-height:1.6;
}
.ai-card__q b{font-weight:500;color:#a9beff;}
.ai-card__a{font-size:13px;line-height:2;color:rgba(255,255,255,.66);}
.ai-card__a mark{
  background:rgba(59,91,255,.26);color:#cbd8ff;padding:1px 4px;border-radius:2px;
  box-shadow:inset 0 0 0 1px rgba(140,163,255,.35);
}
.ai-card__src{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.16);}
.ai-card__src span{
  font-size:11px;letter-spacing:.06em;color:rgba(255,255,255,.62);
  border:1px solid rgba(255,255,255,.16);border-radius:2px;padding:3px 9px;
}
.hero-badge{
  position:absolute;background:#fff;color:var(--ink);border-radius:4px;
  box-shadow:0 16px 40px rgba(0,0,0,.24);padding:12px 16px;line-height:1.3;
}
.hero-badge b{display:block;font-size:18px;font-weight:700;letter-spacing:.02em;}
.hero-badge small{font-size:11px;color:var(--muted);letter-spacing:.04em;}
.hero-badge--b{right:-8px;top:-20px;}
.hero-chips{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:22px;
}
.hero-chips span{
  font-size:11.5px;letter-spacing:.16em;color:rgba(255,255,255,.42);margin-right:4px;
}
.hero-chips b{
  font-weight:400;font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.66);
  border:1px solid rgba(255,255,255,.16);border-radius:2px;padding:5px 11px;background:rgba(255,255,255,.03);
}

/* --------------------------------------------------------------------------
   通用区块
   -------------------------------------------------------------------------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--mist{background:var(--mist);position:relative;}
.section--mist::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(59,91,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(59,91,255,.045) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 86%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 86%);
}
.section--mist>.container{position:relative;z-index:1;}
.section--line{border-top:1px solid var(--line);}
.section--dark{
  background:linear-gradient(150deg,#070b16 0%,#0a1024 56%,#111838 100%);
  color:#fff;position:relative;overflow:hidden;
}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff;}
.section--dark::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 430px at 86% -4%,rgba(59,91,255,.32),transparent 62%),
    radial-gradient(620px 400px at 2% 100%,rgba(124,92,255,.24),transparent 66%);
  pointer-events:none;
}
.section--dark::after{
  content:"";position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,#000 0%,transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 88%);
}
.section--dark .container{position:relative;z-index:2;}

.sec-head{margin-bottom:52px;max-width:760px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head .eyebrow{margin-bottom:16px;}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);letter-spacing:.02em;line-height:1.35;}
.sec-head p{margin-top:16px;color:var(--muted);font-size:15.5px;line-height:1.9;}
.section--dark .sec-head p{color:rgba(255,255,255,.64);}
.sec-head__row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;}
.sec-head__row .sec-head{margin-bottom:0;}

/* 数据条 */
.stat-band{
  background:linear-gradient(100deg,#0a1020 0%,#101838 55%,#161235 100%);
  color:#fff;border-top:1px solid rgba(255,255,255,.06);
}
.stat-band__grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-band__item{padding:34px 30px;border-right:1px solid rgba(255,255,255,.1);}
.stat-band__item:last-child{border-right:0;}
.stat-band__num{
  font-size:38px;font-weight:700;letter-spacing:.01em;line-height:1.1;font-variant-numeric:tabular-nums;
  color:#fff;background:linear-gradient(180deg,#ffffff 18%,#a9bcff 130%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.stat-band__num i{font-style:normal;font-size:16px;color:#8aa7ff;margin-left:4px;font-weight:500;}
.stat-band__label{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.6);letter-spacing:.04em;}

/* 卡片网格 */
.grid{display:grid;gap:24px;}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}

.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:all .32s var(--ease);
}
.card:hover{border-color:rgba(59,91,255,.45);box-shadow:0 18px 44px rgba(59,91,255,.14);transform:translateY(-3px);}
.card__icon{
  width:44px;height:44px;border-radius:6px;
  background:linear-gradient(150deg,#e7ecff,#e6e0ff);color:#2a45d8;
  border:1px solid rgba(59,91,255,.14);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.card__icon svg{width:22px;height:22px;}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{font-size:14.5px;line-height:1.85;color:var(--muted);}
.card__no{
  position:absolute;right:24px;top:24px;font-size:12px;color:var(--line-2);
  letter-spacing:.1em;font-variant-numeric:tabular-nums;
}
.card--flat{padding:0;border:0;background:transparent;}
.card--flat:hover{transform:none;box-shadow:none;}
.card-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.card-list li{
  position:relative;padding-left:16px;font-size:13.5px;color:var(--text-2);line-height:1.7;
}
.card-list li::before{
  content:"";position:absolute;left:0;top:11px;width:5px;height:5px;
  border:1px solid var(--brand);transform:rotate(45deg);
}

/* 平台卡 */
.plat-card{
  position:relative;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:26px 24px;background:rgba(255,255,255,.035);
  transition:all .32s var(--ease);overflow:hidden;
}
.plat-card:hover{background:rgba(255,255,255,.075);border-color:rgba(140,163,255,.5);transform:translateY(-3px);box-shadow:0 22px 54px rgba(59,91,255,.18);}
.plat-card__tag{font-size:11px;letter-spacing:.14em;color:#8aa7ff;margin-bottom:12px;display:block;}
.plat-card h3{font-size:19px;margin-bottom:10px;letter-spacing:.02em;}
.plat-card p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);}

/* 行业卡 */
.ind-card{
  position:relative;display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:all .32s var(--ease);
}
.ind-card:hover{box-shadow:var(--shadow-m);transform:translateY(-3px);border-color:rgba(59,91,255,.4);}
.ind-card__top{
  height:132px;position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 84% 14%,rgba(63,224,255,.30),transparent 52%),
    linear-gradient(148deg,#070b16 0%,#1b2560 54%,#43299b 100%);
  display:flex;align-items:center;justify-content:center;
}
.ind-card__top::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:34px 34px;
}
.ind-card__top span{
  position:relative;z-index:2;color:rgba(255,255,255,.95);font-size:15px;
  letter-spacing:.18em;border-bottom:1px solid rgba(140,163,255,.6);padding-bottom:6px;
}
.ind-card__body{padding:24px;}
.ind-card__body h3{font-size:17.5px;margin-bottom:10px;}
.ind-card__body p{font-size:14px;color:var(--muted);line-height:1.85;}
.ind-card__body .link-more{margin-top:18px;font-size:13.5px;}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.flow__item{position:relative;padding:32px 28px 8px 0;}
.flow__item::before{
  content:"";position:absolute;left:0;top:-1px;width:34px;height:2px;background:var(--brand);
}
.flow__no{font-size:12px;letter-spacing:.14em;color:var(--brand-d);margin-bottom:14px;display:block;}
.flow__item h3{font-size:17.5px;margin-bottom:10px;}
.flow__item p{font-size:14px;line-height:1.85;color:var(--muted);}
.section--dark .flow{border-top-color:rgba(255,255,255,.14);}
.section--dark .flow__item p{color:rgba(255,255,255,.6);}

/* 案例卡 */
.case-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 28px;transition:all .32s var(--ease);
}
.case-card:hover{border-color:rgba(59,91,255,.45);box-shadow:var(--shadow-m);}
.case-card__meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);letter-spacing:.06em;margin-bottom:16px;}
.case-card__meta span{padding:3px 9px;background:var(--mist);border-radius:2px;color:var(--text-2);}
.case-card h3{font-size:18.5px;line-height:1.55;margin-bottom:12px;}
.case-card p{font-size:14px;line-height:1.9;color:var(--muted);}
.case-card__foot{margin-top:auto;padding-top:20px;border-top:1px dashed var(--line);display:flex;gap:24px;flex-wrap:wrap;}
.case-card__kpi b{display:block;font-size:16px;color:var(--brand-d);letter-spacing:.02em;}
.case-card__kpi small{font-size:11.5px;color:var(--muted);}

/* 资讯卡 */
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:all .32s var(--ease);height:100%;
}
.news-card:hover{box-shadow:var(--shadow-m);transform:translateY(-3px);border-color:rgba(59,91,255,.4);}
.news-card__thumb{
  height:168px;position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 82% 16%,rgba(63,224,255,.26),transparent 50%),
    linear-gradient(138deg,#070b16,#1a2358 54%,#402795 100%);
  display:flex;align-items:flex-end;padding:18px;
}
.news-card__thumb::before{
  content:"";position:absolute;inset:0;opacity:.6;
  background-image:radial-gradient(circle at 78% 22%,rgba(140,163,255,.4),transparent 55%),
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:auto,30px 30px,30px 30px;
}
.news-card__thumb b{
  position:relative;z-index:2;font-size:26px;font-weight:700;color:rgba(255,255,255,.9);
  letter-spacing:.04em;font-variant-numeric:tabular-nums;
}
.news-card__thumb i{
  position:absolute;right:18px;top:16px;z-index:2;font-style:normal;font-size:11px;
  letter-spacing:.08em;color:#c7d6ff;border:1px solid rgba(199,214,255,.4);padding:2px 8px;border-radius:2px;
}
.news-card__body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.news-card__date{font-size:12px;color:var(--muted);letter-spacing:.06em;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.news-card__date em{font-style:normal;color:var(--brand-d);background:var(--brand-l);padding:2px 8px;border-radius:2px;}
.news-card h3{font-size:17px;line-height:1.6;margin-bottom:10px;}
.news-card p{font-size:13.5px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__more{margin-top:auto;padding-top:18px;font-size:13px;color:var(--brand-d);display:flex;align-items:center;gap:6px;}

/* FAQ */
.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{
  display:flex;align-items:flex-start;gap:16px;padding:24px 40px 24px 0;position:relative;
  cursor:pointer;font-size:16.5px;font-weight:500;color:var(--ink);list-style:none;
  transition:color .25s;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--brand-d);}
.faq summary::after{
  content:"";position:absolute;right:8px;top:33px;width:11px;height:11px;
  border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);
  transform:rotate(45deg);transition:transform .3s var(--ease);
}
.faq details[open] summary::after{transform:rotate(-135deg);top:37px;}
.faq__no{font-size:12px;color:var(--brand-d);letter-spacing:.1em;padding-top:4px;flex:none;font-variant-numeric:tabular-nums;}
.faq__a{padding:0 40px 28px 40px;font-size:15px;line-height:1.95;color:var(--text-2);}
.faq__a p+p{margin-top:12px;}

/* 页面头（内页） */
.page-hero{
  position:relative;background:var(--ink);color:#fff;padding:74px 0 64px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 390px at 82% 4%,rgba(59,91,255,.36),transparent 62%),
    radial-gradient(460px 280px at 0% 118%,rgba(124,92,255,.20),transparent 68%),
    linear-gradient(160deg,#070b16,#0a1024 55%,#0e1533);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.55;
  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;
  mask-image:radial-gradient(circle at 70% 40%,#000,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 70% 40%,#000,transparent 76%);
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{color:#fff;font-size:clamp(26px,3vw,40px);letter-spacing:.03em;}
.page-hero p{margin-top:16px;color:rgba(255,255,255,.66);font-size:15.5px;max-width:720px;line-height:1.9;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.5);margin-bottom:20px;letter-spacing:.04em;}
.breadcrumb a:hover{color:#a9beff;}
.breadcrumb i{font-style:normal;opacity:.5;}

/* 内页通用双栏 */
.split{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:56px;align-items:start;}
.split--rev{grid-template-columns:360px minmax(0,1fr);}

/* 文章正文 */
.article-head{padding:52px 0 34px;border-bottom:1px solid var(--line);}
.article-head h1{font-size:clamp(24px,2.8vw,36px);line-height:1.45;letter-spacing:.01em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:22px;font-size:13px;color:var(--muted);}
.article-meta em{font-style:normal;color:var(--brand-d);background:var(--brand-l);padding:3px 10px;border-radius:2px;}
.prose{padding:42px 0 8px;font-size:16.5px;line-height:2.05;color:var(--text-2);}
.prose>*+*{margin-top:22px;}
.prose h2{
  font-size:23px;margin-top:52px;padding-left:16px;position:relative;line-height:1.5;letter-spacing:.02em;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;background:var(--brand);border-radius:2px;
}
.prose h3{font-size:18.5px;margin-top:34px;}
.prose p{color:var(--text-2);}
.prose strong{color:var(--ink);font-weight:600;}
.prose a{color:var(--brand-d);border-bottom:1px solid rgba(59,91,255,.35);}
.prose a:hover{border-bottom-color:var(--brand);}
.prose ul,.prose ol{padding-left:2px;}
.prose ul li,.prose ol li{position:relative;padding-left:20px;margin-bottom:10px;}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:14px;width:5px;height:5px;background:var(--brand);border-radius:50%;
}
.prose ol{counter-reset:li;}
.prose ol li{padding-left:26px;counter-increment:li;}
.prose ol li::before{
  content:counter(li);position:absolute;left:0;top:0;font-size:12.5px;color:var(--brand-d);
  font-weight:600;letter-spacing:.02em;
}
.prose blockquote{
  margin:32px 0;padding:24px 28px;
  background:linear-gradient(100deg,#f2f5ff,#fafbff);
  border-left:3px solid #3b5bff;
  color:var(--ink);font-size:16px;line-height:1.95;
}
.prose blockquote p{color:var(--ink);}
.prose blockquote p+p{margin-top:10px;}
.prose .note{
  background:#f7f6ff;border:1px solid #e2dcff;border-left:3px solid #7c5cff;
  padding:20px 24px;border-radius:3px;font-size:14.5px;line-height:1.9;color:#4a4270;
}
.prose .note strong{color:#302a52;}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:26px;}
.prose th,.prose td{border:1px solid var(--line);padding:13px 16px;text-align:left;line-height:1.75;}
.prose th{background:var(--mist);color:var(--ink);font-weight:600;white-space:nowrap;}
.prose td{color:var(--text-2);}
.prose__lead{font-size:17.5px;line-height:2;color:var(--ink);}
.prose-kv{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:32px;}
.prose-kv div{background:#fff;padding:16px 20px;font-size:14px;color:var(--text-2);}
.prose-kv b{color:var(--ink);display:block;font-size:12.5px;letter-spacing:.06em;margin-bottom:4px;font-weight:500;}

/* 侧栏 */
.sidebar{position:sticky;top:calc(var(--header-h) + 24px);display:flex;flex-direction:column;gap:24px;}
.side-card{background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;}
.side-card h3{font-size:15px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line-2);letter-spacing:.06em;}
.side-link{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line-2);font-size:14px;line-height:1.65;color:var(--text-2);}
.side-link:last-child{border-bottom:0;padding-bottom:0;}
.side-link:hover{color:var(--brand-d);}
.side-link span{color:var(--line-2);font-size:12px;flex:none;font-variant-numeric:tabular-nums;}
.side-card--dark{
  background:linear-gradient(150deg,#080d1c 0%,#0c1330 58%,#191148 100%);
  border-color:rgba(255,255,255,.1);color:#fff;
}
.side-card--dark h3{color:#fff;border-bottom-color:rgba(255,255,255,.16);}
.side-card--dark p{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.9;margin-bottom:16px;}
.side-card--dark .side-phone{font-size:21px;font-weight:700;color:#fff;display:block;letter-spacing:.03em;margin-bottom:4px;}
.side-card--dark .side-phone:hover{color:#a9beff;}

/* 分页 */
.pager-wrap{margin-top:52px;display:flex;justify-content:center;}
.layui-laypage{display:flex!important;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;}
.layui-laypage a,.layui-laypage span{
  height:40px;line-height:38px;min-width:40px;padding:0 12px;border:1px solid var(--line)!important;
  border-radius:3px;background:#fff;color:var(--text-2)!important;font-size:14px;margin:0!important;
  transition:all .25s var(--ease);
}
.layui-laypage a:hover{border-color:var(--brand)!important;color:var(--brand-d)!important;}
.layui-laypage .layui-laypage-curr .layui-laypage-em{background:linear-gradient(135deg,#3b5bff,#6c45ff)!important;border-radius:2px;}
.layui-laypage .layui-laypage-curr em{color:#fff!important;font-style:normal;}
.layui-laypage .layui-laypage-curr{border-color:transparent!important;background:linear-gradient(135deg,#3b5bff,#6c45ff)!important;color:#fff!important;box-shadow:0 8px 20px rgba(59,91,255,.28);}
.layui-laypage .layui-laypage-skip{display:none!important;}
.layui-laypage .layui-laypage-limits{display:none!important;}

/* CTA 区块 */
.cta{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(140deg,#080d1c 0%,#0d1430 52%,#1a1348 100%);
  padding:76px 0;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 340px at 80% 16%,rgba(59,91,255,.40),transparent 62%),
    radial-gradient(520px 320px at 4% 100%,rgba(124,92,255,.30),transparent 68%);
}
.cta .container{position:relative;z-index:2;}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap;}
.cta h2{color:#fff;font-size:clamp(23px,2.6vw,34px);line-height:1.45;letter-spacing:.02em;}
.cta p{margin-top:14px;color:rgba(255,255,255,.66);font-size:15px;max-width:600px;line-height:1.9;}
.cta__actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.cta__phone{display:flex;flex-direction:column;gap:2px;}
.cta__phone small{font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.1em;}
.cta__phone b{font-size:30px;font-weight:700;letter-spacing:.03em;color:#fff;}
.cta__phone:hover b{color:#a9beff;}

/* 服务区域 */
.area-block+.area-block{margin-top:52px;}
.area-block__head{display:flex;align-items:baseline;gap:14px;margin-bottom:20px;flex-wrap:wrap;}
.area-block__head h3{font-size:19px;}
.area-block__head span{font-size:13px;color:var(--muted);}
.city-list{display:flex;flex-wrap:wrap;gap:10px;}
.city-list li{
  font-size:14px;color:var(--text-2);border:1px solid var(--line);border-radius:2px;
  padding:7px 15px;background:#fff;transition:all .24s var(--ease);
}
.city-list li:hover{border-color:var(--brand);color:var(--brand-d);background:var(--brand-l);}
.city-list--core li{border-color:rgba(59,91,255,.38);background:var(--brand-l);color:var(--brand-d);font-weight:500;}
.section--dark .city-list li{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.14);color:rgba(255,255,255,.75);}
.section--dark .city-list li:hover{border-color:rgba(140,163,255,.6);color:#c7d6ff;background:rgba(255,255,255,.08);}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.contact-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;}
.contact-item h3{font-size:14px;color:var(--muted);font-weight:500;letter-spacing:.1em;margin-bottom:14px;}
.contact-item b{display:block;font-size:19px;color:var(--ink);line-height:1.55;letter-spacing:.02em;}
.contact-item b.tel{font-size:27px;letter-spacing:.04em;color:var(--brand-d);}
.contact-item p{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.85;}
.map-card{
  margin-top:24px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
}
.map-card__head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 26px;border-bottom:1px solid var(--line);flex-wrap:wrap;}
.map-card__head h3{font-size:15.5px;}
.map-card__head a{font-size:13px;color:var(--brand-d);}
.map-visual{
  position:relative;height:360px;background:linear-gradient(160deg,#f0f3fc,#e3e9f9);
  overflow:hidden;
}
.map-visual svg{width:100%;height:100%;display:block;}
.map-pin{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-100%);
  display:flex;flex-direction:column;align-items:center;
}
.map-pin__dot{
  width:16px;height:16px;border-radius:50%;background:var(--brand);border:3px solid #fff;
  box-shadow:0 0 0 8px rgba(59,91,255,.16),0 6px 14px rgba(7,11,22,.2);
  animation:pulse 2.6s infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 8px rgba(59,91,255,.16),0 6px 14px rgba(7,11,22,.2);}
  50%{box-shadow:0 0 0 16px rgba(59,91,255,.05),0 6px 14px rgba(7,11,22,.2);}
}
.map-pin__label{
  margin-top:12px;background:#fff;border:1px solid var(--line);border-radius:3px;
  padding:6px 12px;font-size:12.5px;color:var(--ink);white-space:nowrap;box-shadow:var(--shadow-s);
}

/* 侧栏导航（关于/服务页） */
.subnav{display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:44px;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.subnav a{
  padding:14px 22px;font-size:14.5px;color:var(--muted);white-space:nowrap;position:relative;
  transition:color .25s;
}
.subnav a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent;}
.subnav a:hover{color:var(--ink);}
.subnav a.is-active{color:var(--ink);font-weight:600;}
.subnav a.is-active::after{background:var(--brand);}

/* 时间轴 */
.timeline{border-left:1px solid var(--line);padding-left:0;margin-top:8px;}
.timeline__item{position:relative;padding:0 0 34px 30px;}
.timeline__item::before{
  content:"";position:absolute;left:-4.5px;top:9px;width:8px;height:8px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);
}
.timeline__item:last-child{padding-bottom:0;}
.timeline__year{font-size:13px;color:var(--brand-d);letter-spacing:.08em;margin-bottom:6px;font-weight:600;}
.timeline__item h3{font-size:16.5px;margin-bottom:8px;}
.timeline__item p{font-size:14px;line-height:1.85;color:var(--muted);}

/* 优势列表 */
.adv{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.adv__item{background:#fff;padding:32px 30px;}
.adv__item h3{font-size:17px;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.adv__item h3 i{
  font-style:normal;font-size:11px;color:var(--brand-d);background:var(--brand-l);
  width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none;
}
.adv__item p{font-size:14px;line-height:1.9;color:var(--muted);}

/* 页脚 */
.site-footer{
  position:relative;
  background:linear-gradient(180deg,#070b16 0%,#080c18 60%,#070a14 100%);
  color:rgba(255,255,255,.6);padding:72px 0 0;font-size:14px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(59,91,255,.65) 28%,rgba(124,92,255,.65) 62%,transparent);
}
.footer-top{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr) minmax(0,.85fr) minmax(0,1.1fr);gap:44px;padding-bottom:52px;}
.footer-brand .brand__name{color:#fff;font-size:24px;letter-spacing:.1em;}
.footer-brand .brand__mark{background:linear-gradient(150deg,#2a3380,#3b5bff);}
.footer-brand p{margin-top:18px;font-size:13.5px;line-height:1.95;color:rgba(255,255,255,.55);max-width:340px;}
.footer-tel{display:block;margin-top:22px;font-size:24px;font-weight:700;color:#fff;letter-spacing:.04em;}
.footer-tel small{display:block;font-size:11.5px;font-weight:400;color:rgba(255,255,255,.45);letter-spacing:.1em;margin-bottom:4px;}
.footer-col h4{font-size:13px;color:#fff;letter-spacing:.12em;margin-bottom:20px;font-weight:500;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.6);transition:color .22s;}
.footer-col a:hover{color:#a9beff;}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:14px;}
.footer-contact b{color:rgba(255,255,255,.86);font-weight:500;flex:none;}
.footer-area{border-top:1px solid rgba(255,255,255,.1);padding:26px 0;}
.footer-area h4{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.45);margin-bottom:12px;font-weight:400;}
.footer-area p{font-size:12.5px;line-height:2;color:rgba(255,255,255,.56);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.42);
}
.footer-bottom a:hover{color:rgba(255,255,255,.75);}
.footer-bottom__links{display:flex;flex-wrap:wrap;gap:18px;}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:90;width:44px;height:44px;
  background:#fff;border:1px solid var(--line);border-radius:3px;
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  box-shadow:var(--shadow-m);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--ink);color:#fff;border-color:var(--ink);}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* 目录 */
.toc{border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;background:#fafbff;margin-bottom:36px;}
.toc b{display:block;font-size:13px;letter-spacing:.1em;color:var(--muted);margin-bottom:12px;font-weight:500;}
.toc ol{display:flex;flex-direction:column;gap:8px;counter-reset:toc;}
.toc li{counter-increment:toc;font-size:14px;line-height:1.65;}
.toc li a{color:var(--text-2);display:flex;gap:8px;}
.toc li a::before{content:counter(toc) ".";color:var(--brand-d);font-size:12px;padding-top:3px;}
.toc li a:hover{color:var(--brand-d);}

/* 定义块 / 摘要块 */
.answer-block{
  position:relative;background:linear-gradient(100deg,#f2f5ff,#fafbff);border-left:3px solid #3b5bff;
  padding:28px 32px;border-radius:0 4px 4px 0;
}
.answer-block h3{font-size:16px;margin-bottom:10px;letter-spacing:.04em;}
.answer-block p{font-size:15.5px;line-height:2;color:var(--text-2);}
.answer-block p+p{margin-top:10px;}

.kv-inline{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14px;color:var(--text-2);}
.kv-inline b{color:var(--ink);font-weight:600;}

/* 内页信息条 */
.info-strip{background:var(--mist);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.info-strip__inner{display:flex;flex-wrap:wrap;gap:14px 48px;padding:22px 0;font-size:14px;color:var(--text-2);}
.info-strip b{color:var(--ink);font-weight:600;}

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */
@media (max-width:1180px){
  .nav__link{padding:0 10px;font-size:14.5px;}
  .nav__link::after{left:10px;right:10px;}
  .header-phone{display:none;}
}
@media (max-width:1080px){
  :root{--header-h:68px;}
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .header-cta .btn{display:none;}
  .hero{padding:64px 0 56px;}
  .hero__grid{grid-template-columns:1fr;gap:48px;}
  .hero__visual{max-width:560px;}
  .split,.split--rev{grid-template-columns:1fr !important;gap:40px;}
  .sidebar{position:static;}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
  .stat-band__grid{grid-template-columns:repeat(2,1fr);}
  .stat-band__item:nth-child(2){border-right:0;}
  .stat-band__item:nth-child(1),.stat-band__item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .contact-grid{grid-template-columns:1fr;}
  .section{padding:72px 0;}
}
@media (max-width:760px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .topbar__left span:not(:first-child),.topbar__left .sep{display:none;}
  .site-header .container{padding:0 16px;}
  .brand__name{font-size:19px;letter-spacing:.06em;}
  .brand__sub{font-size:9.5px;letter-spacing:.08em;margin-top:3px;}
  .hero{padding:48px 0 52px;}
  .hero h1{font-size:28px;line-height:1.38;}
  .hero__lead{font-size:15px;line-height:1.85;margin-top:18px;}
  .hero__actions{margin-top:26px;gap:10px;}
  .hero__actions .btn{height:44px;padding:0 20px;font-size:14px;flex:1;min-width:140px;}
  .hero__meta{gap:8px 18px;font-size:12px;margin-top:26px;padding-top:18px;}
  .hero__visual{padding:0;}
  .ai-card__body{padding:16px;}
  .ai-card__a{font-size:12px;line-height:1.95;}
  .hero-badge--b{right:0;top:-16px;padding:8px 12px;}
  .hero-chips{margin-top:16px;gap:6px;}
  .hero-chips b{font-size:11px;padding:4px 9px;}
  .hero-chips span{font-size:10.5px;letter-spacing:.1em;}
  .hero-badge--b b{font-size:14px;}
  .section{padding:52px 0;}
  .section--tight{padding:44px 0;}
  .sec-head{margin-bottom:32px;}
  .sec-head h2{font-size:23px;}
  .sec-head p{font-size:14.5px;margin-top:12px;line-height:1.85;}
  .sec-head__row{flex-direction:column;align-items:flex-start;gap:18px;}
  .grid{gap:16px;}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr;}
  .card{padding:24px 22px;}
  .card h3{font-size:16.5px;}
  .card p{font-size:13.5px;}
  .stat-band__item{padding:24px 20px;}
  .stat-band__num{font-size:30px;}
  .stat-band__label{font-size:12.5px;}
  .flow{grid-template-columns:1fr;}
  .flow__item{padding:24px 0 20px;border-bottom:1px solid var(--line);}
  .flow__item:last-child{border-bottom:0;}
  .section--dark .flow__item{border-bottom-color:rgba(255,255,255,.12);}
  .adv{grid-template-columns:1fr;}
  .adv__item{padding:24px 22px;}
  .page-hero{padding:40px 0 40px;}
  .page-hero h1{font-size:24px;}
  .page-hero p{font-size:14px;margin-top:12px;line-height:1.85;}
  .breadcrumb{font-size:11.5px;margin-bottom:14px;}
  .article-head{padding:34px 0 26px;}
  .article-head h1{font-size:23px;line-height:1.5;}
  .article-meta{font-size:12px;gap:8px 14px;margin-top:16px;}
  .prose{padding:30px 0 0;font-size:15.5px;line-height:1.95;}
  .prose>*+*{margin-top:18px;}
  .prose h2{font-size:19.5px;margin-top:38px;padding-left:12px;}
  .prose h3{font-size:17px;margin-top:26px;}
  .prose blockquote{padding:18px 20px;font-size:15px;margin:26px 0;}
  .prose table{font-size:13px;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .prose th,.prose td{padding:10px 12px;}
  .prose-kv{grid-template-columns:1fr;}
  .faq summary{font-size:15.5px;padding:20px 34px 20px 0;gap:12px;}
  .faq summary::after{top:27px;}
  .faq details[open] summary::after{top:31px;}
  .faq__a{padding:0 0 22px 0;font-size:14.5px;line-height:1.9;}
  .faq__no{padding-top:3px;font-size:11px;}
  .cta{padding:48px 0;}
  .cta__inner{flex-direction:column;align-items:flex-start;gap:26px;}
  .cta h2{font-size:22px;}
  .cta p{font-size:14px;}
  .cta__phone b{font-size:26px;}
  .footer-top{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .site-footer{padding-top:48px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{font-size:11.5px;gap:8px 18px;flex-direction:column;align-items:flex-start;}
  .footer-area p{font-size:11.5px;line-height:1.95;}
  .subnav{margin-bottom:30px;margin-left:-20px;margin-right:-20px;padding:0 20px;}
  .subnav a{padding:12px 16px;font-size:13.5px;}
  .contact-item{padding:24px 22px;}
  .contact-item b.tel{font-size:23px;}
  .map-visual{height:260px;}
  .map-card__head{padding:16px 20px;}
  .city-list li{font-size:13px;padding:6px 12px;}
  .to-top{right:16px;bottom:18px;width:40px;height:40px;}
  .pager-wrap{margin-top:36px;}
  .news-card__thumb{height:140px;}
  .news-card__body{padding:18px 20px 20px;}
  .news-card h3{font-size:15.5px;}
  .side-card{padding:22px 20px;}
  .article-meta em{padding:2px 8px;}
  .drawer__phone{font-size:22px;}
}
@media (max-width:380px){
  .brand__sub{display:none;}
  .hero__meta li{font-size:11.5px;}
}

/* 服务明细 */
.svc-card{display:flex;flex-direction:column;}
.svc-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.8;
}
.svc-note b{color:var(--text-2);font-weight:500;}
.svc-lead{display:flex;gap:20px;align-items:flex-start;}
.svc-lead .num{
  flex:none;width:52px;height:52px;border-radius:3px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;
  letter-spacing:.02em;font-variant-numeric:tabular-nums;
}

/* 平台明细卡 */
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 30px 26px;transition:all .32s var(--ease);
}
.pcard:hover{border-color:rgba(59,91,255,.45);box-shadow:var(--shadow-m);}
.pcard__head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line);}
.pcard__head h3{font-size:21px;letter-spacing:.04em;}
.pcard__head span{font-size:12.5px;color:var(--brand-d);letter-spacing:.06em;}
.pcard__specs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px;}
.pcard__specs dt{font-size:11.5px;color:var(--muted);letter-spacing:.1em;margin-bottom:6px;}
.pcard__specs dd{margin:0;font-size:13.5px;line-height:1.8;color:var(--text-2);}
@media (max-width:760px){
  .pcard{padding:22px 20px;}
  .pcard__head h3{font-size:18px;}
  .pcard__specs{grid-template-columns:1fr;gap:14px;}
}

/* 行业详情行 */
.ind-row{display:grid;grid-template-columns:260px minmax(0,1fr);gap:44px;padding:44px 0;border-top:1px solid var(--line);scroll-margin-top:100px;}
.ind-row:last-child{border-bottom:1px solid var(--line);}
.ind-row__aside h3{font-size:23px;letter-spacing:.02em;margin-bottom:10px;}
.ind-row__aside span{font-size:12px;letter-spacing:.12em;color:var(--brand-d);}
.ind-row__aside p{margin-top:16px;font-size:14px;line-height:1.9;color:var(--muted);}
.ind-row__body{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.ind-row__body h4{font-size:12px;letter-spacing:.1em;color:var(--muted);font-weight:500;margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--line);}
.ind-row__body p{font-size:14px;line-height:1.85;color:var(--text-2);}
@media (max-width:1080px){
  .ind-row{grid-template-columns:1fr;gap:24px;padding:34px 0;}
  .ind-row__body{grid-template-columns:1fr;gap:18px;}
  .ind-row__aside h3{font-size:20px;}
}

/* 资讯列表行 */
.tel-link{display:block;font-size:27px;font-weight:700;color:var(--brand-d);letter-spacing:.04em;line-height:1.4;}
.tel-link:hover{color:var(--ink);}
.news-row{
  display:grid;grid-template-columns:290px minmax(0,1fr);gap:34px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--line);
  transition:all .3s var(--ease);
}
.news-row:first-child{padding-top:0;}
.news-row:hover .news-row__body h3{color:var(--brand-d);}
.news-row__thumb{
  position:relative;height:172px;border-radius:4px;overflow:hidden;
  background:
    radial-gradient(circle at 82% 16%,rgba(63,224,255,.26),transparent 50%),
    linear-gradient(138deg,#070b16,#1a2358 54%,#402795 100%);
  display:flex;align-items:flex-end;padding:16px;
}
.news-row__thumb::before{
  content:"";position:absolute;inset:0;opacity:.65;
  background-image:radial-gradient(circle at 76% 24%,rgba(140,163,255,.42),transparent 58%),
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:auto,28px 28px,28px 28px;
}
.news-row__thumb b{position:relative;z-index:2;font-size:24px;color:rgba(255,255,255,.9);letter-spacing:.04em;font-variant-numeric:tabular-nums;}
.news-row__thumb i{
  position:absolute;right:14px;top:14px;z-index:2;font-style:normal;font-size:11px;letter-spacing:.06em;
  color:#c7d6ff;border:1px solid rgba(199,214,255,.4);padding:2px 8px;border-radius:2px;
}
.news-row__body h3{font-size:19px;line-height:1.6;margin-bottom:10px;transition:color .25s;}
.news-row__body p{font-size:14px;line-height:1.85;color:var(--muted);max-width:760px;}
.news-row__foot{display:flex;align-items:center;gap:18px;margin-top:14px;font-size:12.5px;color:var(--muted);}
.news-row__foot em{font-style:normal;color:var(--brand-d);background:var(--brand-l);padding:2px 9px;border-radius:2px;}
.news-row__foot .more{margin-left:auto;color:var(--brand-d);display:inline-flex;align-items:center;gap:6px;}

/* 分类标签 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud span{
  font-size:12.5px;color:var(--text-2);border:1px solid var(--line);background:#fff;
  border-radius:2px;padding:5px 10px;
}
.tag-cloud span i{font-style:normal;color:var(--muted);margin-left:5px;font-size:11px;}

@media (max-width:760px){
  .news-row{grid-template-columns:1fr;gap:16px;padding:22px 0;align-items:start;}
  .news-row__thumb{height:150px;}
  .news-row__body h3{font-size:16.5px;}
  .news-row__body p{font-size:13.5px;}
  .news-row__foot{flex-wrap:wrap;gap:10px;font-size:11.5px;}
  .news-row__foot .more{display:none;}
  .tel-link{font-size:23px;}
}

/* 文章页面包屑（浅底） */
.article-head .breadcrumb{color:var(--muted);}
.article-head .breadcrumb a:hover{color:var(--brand-d);}

/* 移动端顶部信息条：只保留电话 */
@media (max-width:760px){
  .topbar__left{display:none;}
  .topbar .container{justify-content:center;}
  .topbar__right{gap:8px;}
  .hero-chips span{display:none;}
}

@media (max-width:760px){
  .info-strip__inner{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;padding:16px 0;font-size:12.5px;line-height:1.7;}
}

@media (max-width:760px){
  .hero-badge--b{display:none;}
}

/* 排版优化：避免孤字与标题断裂（渐进增强，不支持的浏览器自动忽略） */
h1,h2,h3{text-wrap:balance;}
p,li{text-wrap:pretty;}

/* 服务区域对照表：桌面单行，移动端堆叠为卡片 */
.prose .area-tbl td:nth-child(n+2){white-space:nowrap;}
@media (max-width:760px){
  .prose .area-tbl thead{display:none;}
  .prose .area-tbl tbody,
  .prose .area-tbl tr,
  .prose .area-tbl td{display:block;width:auto;}
  .prose .area-tbl tr{border:1px solid var(--line);border-radius:4px;background:#fff;margin-bottom:14px;padding:4px 0;}
  .prose .area-tbl td{border:0;border-bottom:1px solid var(--line);padding:10px 14px;font-size:13px;line-height:1.85;white-space:normal!important;}
  .prose .area-tbl tr td:last-child{border-bottom:0;}
  .prose .area-tbl td::before{content:attr(data-label);display:block;font-size:11px;letter-spacing:.1em;color:var(--muted);margin-bottom:3px;}
}

/* 城市名整体不换行 */
.ci{white-space:nowrap;}