/* ==========================================================================
   武汉市谱云智研科技有限公司 · 官网样式表
   style.css  |  分层：变量 / 基础 / 布局 / 组件 / 动效 / 响应式
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root{
  --brand:#0B61FF;
  --brand-2:#0DCCFF;
  --brand-deep:#0842B5;
  --navy:#0F1F3D;
  --navy-2:#0A1730;
  --navy-3:#122C55;
  --ink:#16233D;
  --text:#44546E;
  --muted:#7F8DA6;
  --line:#E4E9F2;
  --soft:#F4F7FC;
  --white:#fff;

  --radius-sm:8px;
  --radius:12px;
  --radius-lg:18px;

  --shadow-sm:0 2px 10px rgba(15,31,61,.06);
  --shadow:0 12px 32px rgba(15,31,61,.09);
  --shadow-lg:0 24px 60px rgba(8,20,45,.16);

  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:74px;
  --topbar-h:36px;
  --hdr-fg:#fff;

  --f-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --f-num:"DIN Alternate","Segoe UI",Arial,var(--f-cn);
}

/* ---------- 2. 基础 ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-cn);font-size:15px;line-height:1.75;color:var(--text);
  background:var(--white);overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s}
ul,ol{list-style:none}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:.2px}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
::selection{background:rgba(11,97,255,.16)}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#C4CFE2;border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:#A9B8D2}
::-webkit-scrollbar-track{background:#EEF2F8}

/* 图标容器：默认 1em，组件内可覆盖尺寸 */
[data-icon]{display:inline-flex;align-items:center;justify-content:center;width:1em;height:1em;flex-shrink:0;vertical-align:middle}
[data-icon]>svg{width:100%;height:100%;display:block}

.container{width:min(1220px,92%);margin-inline:auto}
.container-narrow{width:min(920px,92%);margin-inline:auto}

/* ---------- 3. 顶部信息条 + 导航 ---------- */
.topbar{
  background:var(--navy-2);color:#8CA0C4;font-size:12.5px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px}
.topbar-list{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.topbar-list a,.topbar-list span{display:inline-flex;align-items:center;gap:6px}
.topbar-list a:hover{color:var(--white)}
.topbar .ico{width:13px;height:13px;color:var(--brand-2)}

.site-header{
  position:fixed;top:var(--topbar-h);left:0;right:0;z-index:900;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),top .35s var(--ease);
  background:transparent;
}
.site-header .container{
  height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled{top:0;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 6px 26px rgba(15,31,61,.08);
  border-bottom:1px solid rgba(228,233,242,.9);
}
.site-header.is-scrolled .container{height:64px}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:11px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 20px rgba(11,97,255,.32);
  display:grid;place-items:center;color:#fff;
}
.brand-mark svg{width:22px;height:22px}
.brand-name{display:flex;flex-direction:column;line-height:1.2}
.brand-name b{font-size:17.5px;letter-spacing:1.5px;color:var(--hdr-fg);transition:color .3s}
.brand-name i{font-style:normal;font-size:9.5px;letter-spacing:1.4px;color:rgba(255,255,255,.5);transition:color .3s}
.site-header.is-scrolled .brand-name b{color:var(--ink)}
.site-header.is-scrolled .brand-name i{color:var(--muted)}

.nav{display:flex;align-items:center;gap:4px}
.nav a{
  position:relative;padding:9px 15px;font-size:14.5px;font-weight:500;
  color:rgba(255,255,255,.86);border-radius:8px;transition:color .25s,background .25s;
}
.nav a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav a:hover{color:#fff}
.nav a:hover::after{transform:scaleX(1)}
.nav a.is-active{color:#fff;font-weight:600}
.nav a.is-active::after{transform:scaleX(1)}
.site-header.is-scrolled .nav a{color:var(--ink)}
.site-header.is-scrolled .nav a:hover,.site-header.is-scrolled .nav a.is-active{color:var(--brand)}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;place-items:center;
  color:var(--hdr-fg);border:1px solid rgba(255,255,255,.25);
}
.site-header.is-scrolled .nav-toggle{color:var(--ink);border-color:var(--line)}
.nav-toggle svg{width:20px;height:20px}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .1s linear;
}

/* ---------- 4. 按钮 ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:10px;font-size:14.5px;font-weight:600;
  overflow:hidden;white-space:nowrap;transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:linear-gradient(135deg,var(--brand),#2E7BFF);color:#fff;box-shadow:0 10px 24px rgba(11,97,255,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(11,97,255,.38)}
.btn-accent{background:linear-gradient(135deg,var(--brand-2),#3EDCFF);color:#06213F;box-shadow:0 10px 24px rgba(13,204,255,.32)}
.btn-accent:hover{transform:translateY(-2px)}
.btn-line{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px;border-radius:8px}
.btn-block{width:100%}
.btn .ripple{
  position:absolute;border-radius:50%;background:rgba(255,255,255,.5);
  transform:scale(0);animation:ripple .6s var(--ease);pointer-events:none;
}
@keyframes ripple{to{transform:scale(2.6);opacity:0}}

/* ---------- 5. 页面首屏（内页深色横幅） ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:var(--navy-2);
  padding:calc(var(--header-h) + 92px) 0 96px;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5;transform:scale(1.06)}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(1100px 620px at 78% 22%,rgba(13,204,255,.22),transparent 62%),
    linear-gradient(100deg,#081428 6%,rgba(10,26,54,.86) 48%,rgba(8,20,42,.62) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero canvas{position:absolute;inset:0;z-index:2;pointer-events:none}
.hero .container{position:relative;z-index:3}

.hero-inner{display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;height:34px;padding:0 15px;border-radius:999px;
  font-size:12.5px;letter-spacing:.6px;color:#A9D8FF;
  background:rgba(13,204,255,.1);border:1px solid rgba(13,204,255,.32);
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(13,204,255,.18);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.75)}}

.hero h1{font-size:46px;line-height:1.28;color:#fff;letter-spacing:.5px;margin:24px 0 18px;font-weight:800}
.hero h1 .grad{background:linear-gradient(96deg,#5C9BFF,#0DCCFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:16.5px;color:#A7B9D8;max-width:600px}
.hero-type{display:flex;align-items:center;gap:10px;margin-top:20px;font-size:14.5px;color:#C6D5EE}
.hero-type .tw{display:inline-flex;align-items:center;color:var(--brand-2);font-weight:600;min-width:150px}
.hero-type .caret{display:inline-block;width:2px;height:17px;margin-left:3px;background:var(--brand-2);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.hero-cta{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero-note{margin-top:22px;font-size:13px;color:#7D91B4;display:flex;gap:20px;flex-wrap:wrap}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.hero-note svg{width:14px;height:14px;color:var(--brand-2)}

.hero-panel{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hp-card{
  position:relative;padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.13);backdrop-filter:blur(8px);
  transition:transform .4s var(--ease),border-color .4s,background .4s;
}
.hp-card:hover{transform:translateY(-6px);border-color:rgba(13,204,255,.5);background:linear-gradient(150deg,rgba(13,204,255,.16),rgba(255,255,255,.04))}
.hp-card:nth-child(2){margin-top:26px}
.hp-card:nth-child(4){margin-top:26px}
.hp-ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(11,97,255,.45),rgba(13,204,255,.28));border:1px solid rgba(13,204,255,.28);color:#BFE9FF}
.hp-ico svg{width:24px;height:24px}
.hp-card b{display:block;font-size:15.5px;color:#fff;margin-bottom:6px}
.hp-card p{font-size:12.5px;color:#93A7C9;line-height:1.7}

.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:72px;
  padding-top:34px;border-top:1px solid rgba(255,255,255,.12);
}
.stat b{font-family:var(--f-num);font-size:38px;font-weight:700;color:#fff;line-height:1;letter-spacing:1px;display:block}
.stat b.txt{font-family:var(--f-cn);font-size:21px;letter-spacing:1.5px}
.stat b i{font-style:normal;font-size:19px;color:var(--brand-2);margin-left:2px}
.stat > span{display:block;font-size:12.5px;color:#8CA0C4;margin-top:9px;letter-spacing:.4px}

/* 内页 hero 变体 */
.page-hero{position:relative;color:#fff;overflow:hidden;background:var(--navy-2);padding:calc(var(--header-h) + 66px) 0 62px}
.page-hero .hero-bg img{opacity:.4}
.page-hero h1{font-size:36px;color:#fff;font-weight:800;letter-spacing:.5px}
.page-hero p{color:#9FB2D3;max-width:660px;margin-top:14px;font-size:15px}
.crumb{font-size:12.5px;color:#7C90B3;margin-bottom:16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb em{font-style:normal;color:#5E7398}
.crumb span{color:var(--brand-2)}
.crumb .sep{color:#3D5480}
.page-hero-inner{position:relative;z-index:3}

/* ---------- 6. 通用区块 ---------- */
.sec{padding:92px 0}
.sec--soft{background:var(--soft)}
.sec--dark{background:linear-gradient(160deg,#0C1F3D,#0A1730);color:#B9C8E4}
.sec--dark h2,.sec--dark h3,.sec--dark h4{color:#fff}
.sec--tight{padding:64px 0}

.sec-head{max-width:720px;margin:0 auto 52px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:600;
  letter-spacing:2px;color:var(--brand);
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.sec--dark .eyebrow{color:var(--brand-2)}
.sec-head h2{font-size:34px;margin:16px 0 14px;letter-spacing:.6px}
.sec-head p{color:var(--muted);font-size:15.5px}
.sec--dark .sec-head p{color:#93A7C9}

.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-2-8{grid-template-columns:1.25fr .75fr}
.g-8-12{grid-template-columns:1fr 1fr}

/* ---------- 7. 卡片 ---------- */
.card{
  display:block;
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;transition:transform .4s var(--ease),box-shadow .4s,border-color .4s;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card-ico{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg,#E9F1FF,#E2FAFF);color:var(--brand);
  transition:background .4s,color .4s,transform .4s var(--ease);
}
.card-ico svg{width:27px;height:27px}
.card:hover .card-ico{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;transform:rotate(-6deg) scale(1.04)}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:14px;color:var(--muted)}
.card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{font-size:12px;color:var(--brand);background:#EEF4FF;border:1px solid #DDE8FF;border-radius:6px;padding:4px 10px}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:13.5px;font-weight:600;color:var(--brand)}
.card-link svg{width:14px;height:14px;transition:transform .3s var(--ease)}
.card:hover .card-link svg{transform:translateX(5px)}

/* 图片卡 */
.media{display:block;position:relative;border-radius:var(--radius);overflow:hidden;background:var(--navy-2)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.media:hover img{transform:scale(1.07)}
.media-ov{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,18,38,0) 26%,rgba(8,18,38,.86) 100%);
}
.media-body{position:absolute;left:0;right:0;bottom:0;padding:26px;color:#fff}
.media-body h3{color:#fff;font-size:19px}
.media-body p{color:#B7C6E2;font-size:13.5px;margin-top:8px}
.media-tag{position:absolute;top:18px;left:18px;z-index:2;font-size:11px;letter-spacing:1.6px;color:#CFEBFF;
  background:rgba(8,20,42,.6);border:1px solid rgba(13,204,255,.35);border-radius:6px;padding:4px 10px;backdrop-filter:blur(4px)}
.card-media{height:330px}
.card-media--tall{height:400px}

/* 列表卡 */
.list-card{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.list-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.list-card .li-ico{flex:0 0 48px;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:#EAF2FF;color:var(--brand)}
.list-card .li-ico svg{width:23px;height:23px}
.list-card h4{font-size:16px;margin-bottom:6px}
.list-card p{font-size:13.5px;color:var(--muted)}

/* ---------- 8. 特性 / 清单 ---------- */
.checks{display:grid;gap:14px;margin-top:26px}
.checks li{display:flex;gap:12px;font-size:14.5px;color:var(--text)}
.checks .ck{flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;margin-top:3px;
  background:rgba(11,97,255,.1);color:var(--brand)}
.checks .ck svg{width:12px;height:12px}
.checks b{color:var(--ink)}
.sec--dark .checks li{color:#9FB2D3}
.sec--dark .checks b{color:#fff}
.sec--dark .checks .ck{background:rgba(13,204,255,.16);color:var(--brand-2)}

/* ---------- 9. 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:flow}
.flow-item{position:relative;padding:30px 24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:transform .4s var(--ease),box-shadow .4s}
.flow-item:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.flow-item::after{
  content:"";position:absolute;top:48px;right:-22px;width:22px;height:1px;
  background:repeating-linear-gradient(90deg,#C8D5EA 0 6px,transparent 6px 12px);
}
.flow-item:last-child::after{display:none}
.flow-num{font-family:var(--f-num);font-size:15px;font-weight:700;color:var(--brand);letter-spacing:1px}
.flow-item h4{font-size:16.5px;margin:12px 0 8px}
.flow-item p{font-size:13.5px;color:var(--muted)}
.sec--dark .flow-item{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.sec--dark .flow-item p{color:#93A7C9}

/* ---------- 10. 数字 ---------- */
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.num{text-align:center;padding:30px 18px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.sec--dark .num{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.num b{font-family:var(--f-num);font-size:42px;font-weight:700;letter-spacing:1px;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;display:block;line-height:1}
.num > span{display:block;margin-top:10px;font-size:13.5px;color:var(--muted)}
.sec--dark .num span{color:#93A7C9}

/* ---------- 11. 选项卡 / 筛选 ---------- */
.tabs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.tab{
  height:42px;padding:0 22px;border-radius:999px;font-size:14px;font-weight:500;color:var(--text);
  border:1px solid var(--line);background:#fff;transition:all .3s var(--ease);
}
.tab:hover{border-color:var(--brand);color:var(--brand)}
.tab.is-active{background:linear-gradient(135deg,var(--brand),#3B82FF);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(11,97,255,.26)}
.pane{display:none}
.pane.is-active{display:block;animation:fadeUp .55s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

.filter-item{transition:opacity .35s var(--ease),transform .35s var(--ease)}
.filter-item.is-hidden{display:none}
.filter-item.is-fade{opacity:0;transform:scale(.96)}

/* ---------- 12. 表格 ---------- */
.spec{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:18px}
.spec th,.spec td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.spec th{width:38%;color:var(--muted);font-weight:500;background:#FAFBFE}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:none}
.spec-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}

/* ---------- 13. 手风琴 ---------- */
.acc-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:box-shadow .3s,border-color .3s}
.acc-item.is-open{box-shadow:var(--shadow);border-color:#D8E4FA}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:15.5px;font-weight:600;color:var(--ink)}
.acc-head .plus{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#EEF4FF;color:var(--brand);flex-shrink:0;transition:transform .35s var(--ease),background .3s}
.acc-head .plus svg{width:14px;height:14px}
.acc-item.is-open .acc-head .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.acc-body{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.acc-body .inner{padding:0 24px 24px;font-size:14px;color:var(--muted)}

/* ---------- 14. 时间轴 ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(11,97,255,.5),rgba(13,204,255,.15))}
.tl-item{position:relative;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-33px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(11,97,255,.12)}
.tl-year{font-family:var(--f-num);font-size:19px;font-weight:700;color:var(--brand);letter-spacing:1px}
.tl-item h4{font-size:16.5px;margin:6px 0 8px}
.tl-item p{font-size:14px;color:var(--muted)}

/* ---------- 15. 跑马灯 ---------- */
.marquee{overflow:hidden;position:relative;padding:26px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:52px;width:max-content;animation:marquee 26s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.marquee-item{display:flex;align-items:center;gap:9px;font-size:15px;color:#8CA0C4;white-space:nowrap;letter-spacing:.6px}
.marquee-item svg{width:16px;height:16px;color:var(--brand-2)}

/* ---------- 16. CTA ---------- */
.cta{position:relative;overflow:hidden;color:#fff;padding:74px 0;
  background:radial-gradient(900px 380px at 14% 50%,rgba(13,204,255,.26),transparent 62%),linear-gradient(115deg,#0A1730,#0B3E8F)}
.cta::after{content:"";position:absolute;inset:0;opacity:.35;
  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:46px 46px;-webkit-mask-image:linear-gradient(90deg,#000,transparent);mask-image:linear-gradient(90deg,#000,transparent)}
.cta .container{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta h3{font-size:29px;color:#fff;line-height:1.45}
.cta p{color:#A7B9D8;margin-top:10px;font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 17. 表单 ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm)}
.form h4{font-size:18px;margin-bottom:6px}
.form .hint{font-size:13px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px;position:relative}
.field label{display:block;font-size:13px;color:var(--ink);font-weight:500;margin-bottom:7px}
.field label em{color:#E5484D;font-style:normal;margin-left:3px}
.field input,.field textarea,.field select{
  width:100%;background:var(--soft);border:1px solid var(--line);border-radius:9px;
  padding:12px 15px;font-size:14px;transition:border-color .25s,background .25s,box-shadow .25s}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(11,97,255,.09)}
.field.has-error input,.field.has-error textarea{border-color:#E5484D;background:#FFF7F7}
.field .err{display:none;font-size:12px;color:#E5484D;margin-top:6px}
.field.has-error .err{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;text-align:center}

/* ---------- 18. 页脚 ---------- */
.site-footer{background:var(--navy-2);color:#8CA0C4;font-size:13.5px;padding-top:66px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:44px;padding-bottom:46px}
.f-brand .brand-name b{color:#fff}
.f-brand .brand-name i{color:#5E7398}
.site-footer h5{color:#fff;font-size:15px;margin-bottom:20px;letter-spacing:.5px}
.site-footer li{margin-bottom:11px}
.site-footer a:hover{color:#fff}
.f-links a{display:inline-flex;align-items:center;gap:7px}
.f-links a::before{content:"";width:4px;height:4px;border-radius:50%;background:#33486E;transition:background .25s}
.f-links a:hover::before{background:var(--brand-2)}
.f-contact li{display:flex;gap:10px;line-height:1.7}
.f-contact svg{width:15px;height:15px;flex:0 0 15px;margin-top:5px;color:var(--brand-2)}
.f-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#5E7398}

/* ---------- 19. 悬浮组件 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:800;width:46px;height:46px;border-radius:12px;
  display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand),#3B82FF);
  box-shadow:0 12px 26px rgba(11,97,255,.35);opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-3px)}
.to-top svg{width:19px;height:19px}
.toast{
  position:fixed;left:50%;bottom:40px;z-index:1200;transform:translate(-50%,26px);
  background:rgba(12,25,48,.94);color:#fff;font-size:14px;padding:13px 24px;border-radius:10px;
  border:1px solid rgba(13,204,255,.3);box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;
  transition:opacity .35s var(--ease),transform .35s var(--ease);display:flex;align-items:center;gap:10px;
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}
.toast svg{width:17px;height:17px;color:var(--brand-2)}

/* ---------- 20. 动效工具类 ---------- */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal="left"]{transform:translateX(-32px)}
[data-reveal="right"]{transform:translateX(32px)}
[data-reveal="zoom"]{transform:scale(.94)}
[data-parallax]{will-change:transform}
.hover-lift{transition:transform .4s var(--ease),box-shadow .4s}
.hover-lift:hover{transform:translateY(-8px);box-shadow:var(--shadow)}

/* ---------- 20.5 业务组件 ---------- */
/* 图文分栏 */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.split--rev .split-media{order:2}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}

/* 锚点侧栏 */
.anchor-layout{display:grid;grid-template-columns:236px 1fr;gap:52px;align-items:start}
.anchor-nav{position:sticky;top:calc(var(--header-h) + 20px)}
.anchor-nav .an-title{font-size:12.5px;letter-spacing:2px;color:var(--muted);margin-bottom:14px;text-transform:uppercase}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;padding:13px 16px;border-radius:10px;font-size:14.5px;
  color:var(--text);border:1px solid transparent;margin-bottom:6px;transition:all .28s var(--ease);
}
.anchor-nav a::before{content:"";width:6px;height:6px;border-radius:50%;background:#C9D5E9;transition:background .28s}
.anchor-nav a:hover{background:#fff;border-color:var(--line);color:var(--brand)}
.anchor-nav a.is-active{background:#fff;border-color:#DCE7FB;color:var(--brand);font-weight:600;box-shadow:var(--shadow-sm)}
.anchor-nav a.is-active::before{background:var(--brand);box-shadow:0 0 0 4px rgba(11,97,255,.14)}
.anchor-sec{padding:8px 0 54px;scroll-margin-top:130px}
.anchor-sec:first-child{padding-top:0}
.anchor-sec h3{font-size:24px;margin-bottom:8px}
.anchor-sec .lead{color:var(--muted);margin-bottom:24px;max-width:660px}

/* 痛点 / 成效 小卡 */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.mini{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.mini .mini-t{font-size:12px;letter-spacing:1.4px;color:var(--brand);margin-bottom:8px}
.mini b{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}
.mini p{font-size:13px;color:var(--muted)}

/* 技术架构分层 */
.arch{display:grid;gap:12px}
.arch-row{
  display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:var(--radius);padding:20px 24px;transition:transform .35s var(--ease),box-shadow .35s;
}
.arch-row:hover{transform:translateX(6px);box-shadow:var(--shadow)}
.arch-row:nth-child(2){border-left-color:#2E7BFF}
.arch-row:nth-child(3){border-left-color:#0D9BFF}
.arch-row:nth-child(4){border-left-color:#0DCCFF}
.arch-row:nth-child(5){border-left-color:#6EDCFF}
.arch-label{font-size:14.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:9px}
.arch-label [data-icon]{width:18px;height:18px;color:var(--brand)}
.arch-items{display:flex;flex-wrap:wrap;gap:8px}
.arch-items span{font-size:12.5px;color:var(--text);background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:5px 11px}

/* 案例详情 */
.case-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:34px}
.case-block .cb-media{position:relative;height:320px;overflow:hidden}
.case-block .cb-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.case-block:hover .cb-media img{transform:scale(1.05)}
.case-block .cb-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,18,38,.15),rgba(8,18,38,.82))}
.cb-title{position:absolute;left:32px;bottom:26px;z-index:2;color:#fff}
.cb-title h3{color:#fff;font-size:23px}
.cb-title p{color:#B7C6E2;font-size:13.5px;margin-top:6px}
.cb-body{padding:32px}
.cb-body .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.cb-body h5{font-size:14px;color:var(--brand);letter-spacing:1px;margin-bottom:12px}
.cb-body p{font-size:13.8px;color:var(--muted)}
.cb-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px;padding-top:26px;border-top:1px dashed var(--line)}
.cb-metrics .m b{font-family:var(--f-num);font-size:28px;color:var(--brand);display:block;line-height:1}
.cb-metrics .m > span{font-size:12.5px;color:var(--muted);display:block;margin-top:8px}
.cb-metrics .m b.txt{font-family:var(--f-cn);font-size:19px;letter-spacing:.5px;padding-top:6px}

/* 评价 */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative}
.quote::before{content:"“";position:absolute;top:8px;left:22px;font-size:56px;color:#E4EDFF;font-family:Georgia,serif;line-height:1}
.quote p{position:relative;font-size:14.5px;color:var(--text);margin-bottom:18px}
.quote .who{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:10px}
.quote .who .av{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-size:13px}

/* 关键词标签组 */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span{font-size:13.5px;color:var(--text);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;transition:all .25s}
.chips span:hover{border-color:var(--brand);color:var(--brand)}

/* 简易区位示意 */
.map-box{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#F7F9FD}
.map-box svg{display:block;width:100%;height:auto}

/* 首屏内嵌说明条 */
.hero-facts{display:flex;flex-wrap:wrap;align-items:center;margin-top:24px}
.hero-facts span{display:inline-flex;align-items:center;font-size:13px;color:#8FA3C6}
.hero-facts span+span::before{content:"";width:1px;height:11px;background:rgba(255,255,255,.24);margin:0 16px}

/* ---------- 21. 响应式 ---------- */
@media (max-width:1080px){
  .hero h1{font-size:38px}
  .hero-inner{gap:44px}
  .g-4,.flow,.nums{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .flow-item:nth-child(2)::after{display:none}
  .f-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:900px){
  .nav-toggle{display:grid}
  .nav{
    position:fixed;top:calc(var(--header-h) + 36px);left:4%;right:4%;z-index:950;
    flex-direction:column;align-items:stretch;gap:2px;padding:14px;
    background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-lg);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav a{color:var(--ink)!important;padding:12px 14px;border-radius:8px}
  .nav a:hover,.nav a.is-active{background:#F1F5FD;color:var(--brand)!important}
  .nav a::after{display:none}
  .topbar .container{gap:12px}
  .topbar-addr{display:none}
  .topbar-list{gap:16px;font-size:12px}
  .hero{padding-top:calc(var(--header-h) + 70px)}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:31px}
  .hero-panel{max-width:560px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px;margin-top:50px}
  .page-hero h1{font-size:28px}
  .sec{padding:66px 0}
  .sec-head h2{font-size:27px}
  .g-2,.g-2-8,.g-8-12{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:34px}
  .split--rev .split-media{order:0}
  .anchor-layout{grid-template-columns:1fr;gap:34px}
  .anchor-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:6px}
  .anchor-nav .an-title{display:none}
  .anchor-nav a{margin-bottom:0;white-space:nowrap;border-color:var(--line);background:#fff}
  .mini-grid{grid-template-columns:1fr 1fr}
  .cb-body .cols{grid-template-columns:1fr;gap:22px}
  .cb-metrics{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta h3{font-size:23px}
  .cta .container{flex-direction:column;align-items:flex-start}
  .timeline{padding-left:28px}
}
@media (max-width:600px){
  .header-actions .btn{display:none}
  .g-3,.g-4,.flow,.nums{grid-template-columns:1fr}
  .flow-item::after{display:none}
  .hero-panel{grid-template-columns:1fr;max-width:100%}
  .hp-card:nth-child(2),.hp-card:nth-child(4){margin-top:0}
  .f-grid{grid-template-columns:1fr}
  .card-media{height:260px}
  .mini-grid{grid-template-columns:1fr}
  .arch-row{grid-template-columns:1fr;gap:12px}
  .cb-body{padding:24px}
  .cb-title{left:22px;bottom:20px}
  .cb-title h3{font-size:19px}
  .brand-name i{display:none}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}