/* ============================================================
   盘星云官网 · templ2（仿微盟视觉风格）
   ============================================================ */
:root{
  --blue:#2667ff;
  --blue-d:#1a4fd6;
  --purple:#7b5cff;
  --cyan:#35c8a0;
  --orange:#ffab48;
  --pink:#ff8fb1;
  --ink:#101d3d;
  --txt:#3c4a66;
  --mut:#7a869e;
  --line:#e8edf6;
  --bg:#fff;
  --bg-gray:#f5f7fb;
  --dark:#0a1330;
  --dark-2:#101d44;
  --radius:16px;
  --shadow:0 18px 46px -18px rgba(16,29,61,.18);
}
*{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(--txt);background:var(--bg);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
.wrap{width:1200px;max-width:calc(100% - 48px);margin:0 auto}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 30px;border-radius:999px;font-size:15px;font-weight:600;transition:.25s;white-space:nowrap}
.btn-p{background:var(--blue);color:#fff;box-shadow:0 10px 24px -10px rgba(38,103,255,.6)}
.btn-p:hover{background:var(--blue-d);transform:translateY(-2px)}
.btn-w{background:#fff;color:var(--blue)}
.btn-w:hover{transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(0,0,0,.35)}
.btn-g{border:1px solid rgba(255,255,255,.65);color:#fff}
.btn-g:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-l{border:1px solid var(--line);color:var(--ink)}
.btn-l:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 38px;font-size:16px}

/* ---------- 顶部导航（默认透明透出首屏色，滚动后变白） ---------- */
.hd{position:fixed;inset:0 0 auto 0;z-index:100;height:72px;background:transparent;transition:background .3s,box-shadow .3s}
.hd.on{background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 6px 24px -12px rgba(16,29,61,.12)}
.hd-inner{width:1200px;max-width:calc(100% - 48px);height:100%;margin:0 auto;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:9px;font-size:22px;font-weight:800;color:var(--ink);letter-spacing:1px;flex:none}
.nav{display:flex;align-items:center;gap:6px;flex:1}
.nav-item{position:relative;display:flex;align-items:center;gap:5px;height:72px;padding:0 16px;font-size:15.5px;color:#3c4a66;cursor:pointer;transition:.2s;white-space:nowrap}
.nav-item .dot{font-style:normal;font-size:10px;line-height:1;padding:3px 5px;border-radius:6px;background:linear-gradient(120deg,#4d8dff,#7b5cff);color:#fff;margin-left:2px;font-weight:700}
.nav-item .arr{width:8px;height:8px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.7;transition:.25s}
.nav-item:hover,.nav-item.active{color:var(--blue)}
.nav-item.active{font-weight:700}
.hd-act{display:flex;align-items:center;gap:14px;flex:none}
.hd-login{font-size:15px;color:var(--ink)}
.hd-login:hover{color:var(--blue)!important}
.hd-btn{height:38px;padding:0 22px;border-radius:999px;display:inline-flex;align-items:center;font-size:14.5px;font-weight:600;color:#fff;background:linear-gradient(120deg,var(--blue),var(--purple));box-shadow:0 8px 20px -8px rgba(38,103,255,.7);transition:.25s}
.hd-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px -8px rgba(38,103,255,.8)}
.hd-mob{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.hd-mob span{width:22px;height:2px;border-radius:2px;background:var(--ink);transition:.25s}

/* 导航下拉 */
.mega{position:absolute;left:50%;top:72px;transform:translateX(-50%) translateY(10px);min-width:460px;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:22px 10px;display:flex;gap:8px;opacity:0;visibility:hidden;transition:.25s}
.mega-sm{min-width:300px}
.has-pop:hover .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.has-pop:hover .arr{transform:rotate(225deg) translateY(-1px)}
.mega-col{flex:1;display:flex;flex-direction:column;min-width:0}
.mega-col h5{font-size:13px;color:var(--mut);font-weight:600;padding:6px 14px 10px;letter-spacing:2px}
.mega-col a{padding:9px 14px;border-radius:10px;display:flex;flex-direction:column;transition:.2s}
.mega-col a:hover{background:#f2f6ff}
.mega-col a b{font-size:15px;color:var(--ink);font-weight:600}
.mega-col a i{font-style:normal;font-size:12.5px;color:var(--mut);margin-top:2px}

/* ---------- 首屏轮播（浅蓝色调） ---------- */
.hero{position:relative;height:560px;overflow:hidden}
.hero-track{display:flex;height:100%;transition:transform .7s cubic-bezier(.55,.08,.3,.92)}
.hero-slide{flex:0 0 100%;height:100%;display:flex;align-items:center;justify-content:center;gap:40px;padding:72px 40px 0;position:relative}
.hero-slide.s1{background:radial-gradient(900px 480px at 85% 12%,#d9e7ff 0%,transparent 62%),linear-gradient(160deg,#f5f9ff 0%,#e6efff 55%,#dce9ff 100%)}
.hero-slide.s2{background:radial-gradient(900px 480px at 15% 85%,#e4ddff 0%,transparent 60%),linear-gradient(160deg,#f8f7ff 0%,#ebe7ff 55%,#e0daff 100%)}
.hero-slide.s3{background:radial-gradient(900px 480px at 85% 15%,#d6f2ea 0%,transparent 60%),linear-gradient(160deg,#f4fbf8 0%,#e2f5ee 55%,#d7efe6 100%)}
.hero-txt{max-width:560px;color:var(--ink)}
.hero-tag{display:inline-block;font-size:14px;letter-spacing:2px;padding:7px 16px;border-radius:999px;border:1px solid rgba(38,103,255,.25);background:rgba(38,103,255,.07);color:var(--blue);margin-bottom:22px;font-weight:600}
.hero-txt h2{font-size:52px;line-height:1.22;font-weight:800;color:var(--ink);letter-spacing:1px;margin-bottom:20px}
.hero-txt h2 em{font-style:normal;background:linear-gradient(120deg,#2667ff,#7b5cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-txt p{font-size:16.5px;color:#5a6880;line-height:1.9;margin-bottom:34px}
.hero-btns{display:flex;gap:16px}
.hero-art{width:560px;flex:none;filter:drop-shadow(0 30px 50px rgba(38,103,255,.18))}
.hero-dots{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.hero-dots button{width:26px;height:5px;border-radius:3px;background:rgba(38,103,255,.22);transition:.3s}
.hero-dots button.on{width:42px;background:var(--blue)}
.hero-arr{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:48px;height:48px;border-radius:50%;background:rgba(16,29,61,.06);color:#3c4a66;font-size:26px;line-height:1;display:flex;align-items:center;justify-content:center;transition:.25s;opacity:0}
.hero:hover .hero-arr{opacity:1}
.hero-arr:hover{background:#fff;color:var(--blue);box-shadow:0 10px 24px -10px rgba(16,29,61,.2)}
.hero-arr.prev{left:28px}
.hero-arr.next{right:28px}

/* ---------- 通用区块 ---------- */
.sec{padding:50px 0}
.sec-gray{background:var(--bg-gray)}
.sec-dark{background:linear-gradient(120deg,var(--blue),#4d8dff);position:relative;overflow:hidden}
.sec-dark::before{content:"";position:absolute;inset:0;background:radial-gradient(760px 380px at 14% 0%,rgba(77,141,255,.22),transparent 62%),radial-gradient(700px 420px at 88% 100%,rgba(123,92,255,.2),transparent 62%);pointer-events:none}
.sec-dark>.wrap{position:relative}
.sec-head{text-align:center;margin-bottom:56px}
.sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;text-align:left;margin-bottom:40px}
.sec-en{display:inline-block;font-size:13px;letter-spacing:4px;font-weight:700;color:var(--blue);text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:36px;line-height:1.35;font-weight:800;color:var(--ink);letter-spacing:1px}
.sec-head p{margin-top:14px;font-size:16px;color:var(--mut)}
.sec-head.light h2{color:#fff}
.sec-head.light p{color:rgba(255,255,255,.6)}
.sec-head.light .sec-en{color:#7fb0ff}

/* ---------- AI 原生应用 ---------- */
.app-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.app-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;transition:.3s;position:relative;overflow:hidden}
.app-card::after{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--blue),var(--purple));opacity:0;transition:.3s}
.app-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.app-card:hover::after{opacity:1}
.app-ic{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:#fff}
.app-ic svg{width:30px;height:30px}
.g1{background:linear-gradient(135deg,#4d8dff,#2667ff)}
.g2{background:linear-gradient(135deg,#7b5cff,#5a3fe0)}
.g3{background:linear-gradient(135deg,#35c8a0,#15a17c)}
.g4{background:linear-gradient(135deg,#ffab48,#ff7d48)}
.app-card h3{font-size:20px;color:var(--ink);font-weight:700;margin-bottom:10px}
.app-card p{font-size:14px;color:var(--mut);line-height:1.75;min-height:76px}
.app-link{font-size:14px;color:var(--blue);font-weight:600}

/* ---------- 产品矩阵（深色） ---------- */
.pm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pm-card{background:#fff;border:1px solid #fff;border-radius:var(--radius);padding:28px 24px;transition:.3s;box-shadow:0 18px 40px -22px rgba(10,19,48,.5)}
.pm-card:hover{border-color:var(--blue);transform:translateY(-8px);box-shadow:0 30px 60px -18px rgba(38,103,255,.45)}
.pm-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.pm-ic{width:44px;height:44px;border-radius:12px;flex:none;background-size:cover;transition:transform .3s}
.pm-card:hover .pm-ic{transform:scale(1.1)}
.pm-ic.i1{background:linear-gradient(135deg,#4d8dff,#2667ff)}
.pm-ic.i2{background:linear-gradient(135deg,#7b5cff,#5a3fe0)}
.pm-ic.i3{background:linear-gradient(135deg,#35c8a0,#15a17c)}
.pm-ic.i4{background:linear-gradient(135deg,#ff8fb1,#f0568c)}
.pm-ic.i5{background:linear-gradient(135deg,#ffab48,#ff7d48)}
.pm-ic.i6{background:linear-gradient(135deg,#38bdf8,#0e8fd6)}
.pm-ic.i7{background:linear-gradient(135deg,#34d399,#0fa86f)}
.pm-ic.i8{background:linear-gradient(135deg,#f472b6,#c94bd0)}
.pm-top h3{font-size:18px;color:var(--ink);font-weight:700;transition:color .3s}
.pm-card:hover .pm-top h3{color:var(--blue)}
.pm-tag{font-size:12px;color:var(--blue);border:1px solid rgba(38,103,255,.28);border-radius:999px;padding:2px 10px;margin-left:auto;white-space:nowrap;transition:.3s}
.pm-card:hover .pm-tag{background:var(--blue);border-color:var(--blue);color:#fff}
.pm-card p{font-size:13.5px;color:var(--mut);line-height:1.8;min-height:72px}
.pm-link{font-size:13.5px;color:var(--blue);font-weight:600}
.pm-card:hover .pm-link{color:#1a4fd6}

/* ---------- 行业解决方案 ---------- */
.sol{display:flex;gap:28px;align-items:stretch}
.sol-side{width:250px;flex:none;display:flex;flex-direction:column;gap:10px}
.sol-item{display:flex;align-items:center;gap:12px;height:66px;padding:0 24px;border-radius:14px;background:#fff;border:1px solid var(--line);font-size:17px;font-weight:600;color:var(--txt);transition:.25s;text-align:left}
.sol-item .si-ic{font-style:normal;font-size:20px}
.sol-item:hover{border-color:#c9d7f5;color:var(--ink)}
.sol-item.active{background:linear-gradient(120deg,var(--blue),#4d8dff);color:#fff;border-color:transparent;box-shadow:0 14px 30px -12px rgba(38,103,255,.55)}
.sol-main{flex:1;position:relative;min-height:430px}
.sol-panel{position:absolute;inset:0;background:#fff;border:1px solid var(--line);border-radius:20px;display:flex;overflow:hidden;opacity:0;visibility:hidden;transform:translateY(14px);transition:.4s}
.sol-panel.active{opacity:1;visibility:visible;transform:none;box-shadow:var(--shadow)}
.sol-media{width:42%;flex:none;display:flex;align-items:center;justify-content:center;position:relative}
.sol-media .sm-card{background:rgba(255,255,255,.96);border-radius:16px;padding:26px 30px;text-align:center;box-shadow:0 20px 44px -18px rgba(0,0,0,.3)}
.sm-card b{display:block;font-size:22px;color:var(--ink);font-weight:800;margin-bottom:6px}
.sm-card span{font-size:14px;color:var(--mut)}
.m1{background:linear-gradient(150deg,#e8efff,#d5e2ff 55%,#c3d4ff)}
.m2{background:linear-gradient(150deg,#fff1e3,#ffe3c9 55%,#ffd2a8)}
.m3{background:linear-gradient(150deg,#e6fbf3,#cbf3e4 55%,#a9e8d2)}
.m4{background:linear-gradient(150deg,#ffeef5,#ffddea 55%,#ffc9dd)}
.m5{background:linear-gradient(150deg,#e9f7ff,#d3edff 55%,#b9e0ff)}
.m6{background:linear-gradient(150deg,#f1edff,#e2dbff 55%,#cfc3ff)}
.sol-info{flex:1;padding:44px 48px;display:flex;flex-direction:column}
.sol-info h3{font-size:26px;color:var(--ink);font-weight:800;margin-bottom:14px}
.sol-info>p{font-size:14.5px;line-height:1.9;color:var(--txt);margin-bottom:22px}
.sol-feats{display:flex;flex-direction:column;gap:12px;margin-bottom:30px}
.sol-feats li{display:flex;align-items:baseline;gap:12px;font-size:14px;color:var(--mut)}
.sol-feats b{flex:none;min-width:88px;font-size:14px;color:var(--ink);position:relative;padding-left:16px}
.sol-feats b::before{content:"";position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.sol-btns{display:flex;gap:14px;margin-top:auto}

/* ---------- 客户案例 ---------- */
.case-tabs{display:flex;gap:12px;margin-bottom:34px;flex-wrap:wrap}
.ctab{height:40px;padding:0 26px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14.5px;color:var(--txt);transition:.25s}
.ctab:hover{color:var(--blue);border-color:#c9d7f5}
.ctab.active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.case-cover{height:170px;display:flex;align-items:flex-end;padding:22px;position:relative}
.case-cover::after{content:"";position:absolute;inset:auto 0 0 0;height:70px;background:linear-gradient(transparent,rgba(0,0,0,.35))}
.cc-brand{position:relative;z-index:1;font-size:24px;font-weight:800;color:#fff;letter-spacing:2px}
.c1{background:radial-gradient(300px 200px at 80% 10%,rgba(255,255,255,.3),transparent),linear-gradient(135deg,#1a4fd6,#4d8dff)}
.c2{background:radial-gradient(300px 200px at 20% 0%,rgba(255,255,255,.3),transparent),linear-gradient(135deg,#0d7a5f,#35c8a0)}
.c3{background:radial-gradient(300px 200px at 80% 20%,rgba(255,255,255,.3),transparent),linear-gradient(135deg,#7b3fd6,#c98bff)}
.case-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.case-body h3{font-size:17px;color:var(--ink);font-weight:700;line-height:1.55;margin-bottom:10px}
.case-body>p{font-size:13.5px;color:var(--mut);line-height:1.8;margin-bottom:20px;flex:1}
.case-nums{display:flex;gap:28px;border-top:1px dashed var(--line);padding-top:18px}
.case-nums b{display:block;font-size:24px;color:var(--blue);font-weight:800;font-family:Arial,sans-serif}
.case-nums span{font-size:12.5px;color:var(--mut)}
.logo-wall{margin-top:56px;display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.logo-wall span{height:64px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:12px;font-size:15px;color:#5a6880;letter-spacing:2px;transition:.25s}
.logo-wall span:hover{color:var(--blue);border-color:#c9d7f5;transform:translateY(-3px)}
/* ---------- AI 智能营销 ---------- */
.mk-grid{display:flex;gap:16px;height:400px}
.mk-card{flex:1 1 0;min-width:0;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 22px;display:flex;flex-direction:column;overflow:hidden;transition:flex .5s cubic-bezier(.4,0,.2,1),box-shadow .3s,border-color .3s}
.mk-card.on{flex:3.2;box-shadow:var(--shadow);border-color:transparent;background:linear-gradient(120deg,var(--blue),#4d8dff)}
.mk-card.on h3{color:#fff}
.mk-card.on p{color:rgba(255,255,255,.72)}
.mk-card.on .mk-tags i{color:rgba(255,255,255,.92);border-color:rgba(255,255,255,.4)}
.mk-card.on .mk-link{color:#fff}
.mk-top{display:flex;flex-direction:column;margin-bottom:18px}
.mk-sub{font-size:12px;color:var(--mut);line-height:1.7;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mk-card.on .mk-sub{color:rgba(255,255,255,.6)}
.mk-ic{flex:none;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#eef3ff,#dbe6ff);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.mk-ic svg{width:27px;height:27px}
.mk-card.on .mk-ic{background:rgba(255,255,255,.12);color:#7fb0ff}
.mk-card h3{font-size:19px;color:var(--ink);font-weight:700;white-space:nowrap}
.mk-card p{font-size:13.5px;line-height:1.85;color:var(--mut);margin-bottom:18px}
.mk-body{display:none;flex-direction:column;flex:1;min-width:0}
.mk-card.on .mk-body{display:flex;animation:mkIn .45s ease both}
@keyframes mkIn{from{opacity:0;transform:translateX(-14px)}to{opacity:1;transform:none}}
.mk-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.mk-tags i{font-style:normal;font-size:12px;color:var(--txt);border:1px solid var(--line);border-radius:999px;padding:3px 11px}
.mk-link{font-size:14px;color:var(--blue);font-weight:600;margin-top:auto}
@media (max-width:900px){
  .mk-grid{flex-direction:column;gap:12px;height:auto}
  .mk-card{flex:none;padding:20px}
  .mk-top{flex-direction:row;align-items:center;gap:14px;margin-bottom:0}
  .mk-sub{display:none}
  .mk-card:not(.on) .mk-tags{display:none}
  .mk-card:not(.on) .mk-link{display:none}
  .mk-ic{width:44px;height:44px;border-radius:12px;margin-bottom:0}
  .mk-ic svg{width:22px;height:22px}
  .mk-card h3{white-space:normal}
  .mk-card.on .mk-top{margin-bottom:16px}
}

/* ---------- 云市场 ---------- */
.cloud-band{display:flex;align-items:center;gap:44px;background:linear-gradient(120deg,var(--blue),var(--purple));border-radius:var(--radius);padding:30px 44px;margin-bottom:34px;box-shadow:0 20px 44px -18px rgba(38,103,255,.5)}
.cb-item b{display:block;font-size:17px;color:#fff;font-weight:700}
.cb-item span{font-size:13px;color:rgba(255,255,255,.75)}
.cloud-band .btn{margin-left:auto;flex:none}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 24px;transition:.3s;display:block}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.cat-ic{width:48px;height:48px;border-radius:12px;background:var(--bg-gray);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.cat-card h4{font-size:16.5px;color:var(--ink);font-weight:700;margin-bottom:6px}
.cat-card p{font-size:13px;color:var(--mut)}

/* ---------- 技术底座（浅色） ---------- */
.wos-feats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:60px}
.wos-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;text-align:center;transition:.3s}
.wos-item:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.wf-ic{font-size:30px;display:block;margin-bottom:10px}
.wos-item b{color:var(--ink);font-size:17px;font-weight:700}
.wos-stats{display:flex;justify-content:center;gap:90px;padding:44px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:56px;flex-wrap:wrap}
.ws-item{text-align:center}
.ws-item b{font-family:Arial,sans-serif;font-size:46px;font-weight:800;background:linear-gradient(120deg,#2667ff,#7b5cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.ws-item span{display:block;margin-top:6px;font-size:14px;color:var(--mut)}
.wos-cap{display:grid;grid-template-columns:repeat(3,1fr);gap:34px 44px}
.wc-item b{display:block;font-size:17px;color:var(--ink);font-weight:700;margin-bottom:8px;position:relative;padding-left:18px}
.wc-item b::before{content:"";position:absolute;left:0;top:6px;width:8px;height:8px;border-radius:50%;background:linear-gradient(120deg,#4d8dff,#7b5cff)}
.wc-item p{font-size:13.5px;line-height:1.85;color:var(--mut);padding-left:18px}

/* ---------- 服务网络 ---------- */
.svc{display:flex;align-items:center;gap:60px}
.svc-txt{flex:1}
.svc-txt h2{font-size:34px;line-height:1.4;color:var(--ink);font-weight:800;margin-bottom:16px}
.svc-txt>p{font-size:15px;color:var(--mut);margin-bottom:34px;max-width:480px}
.svc-nums{display:flex;gap:64px;margin-bottom:36px}
.svc-nums b{font-family:Arial,sans-serif;font-size:44px;font-weight:800;color:var(--blue)}
.svc-nums span{display:block;font-size:14px;color:var(--mut);margin-top:2px}
.svc-map{width:520px;flex:none;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}

/* ---------- 资质 ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cert{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;display:flex;align-items:center;gap:16px;transition:.3s}
.cert:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.cert-ic{font-size:28px;width:54px;height:54px;border-radius:14px;background:var(--bg-gray);display:flex;align-items:center;justify-content:center;flex:none}
.cert b{font-size:15px;color:var(--ink);font-weight:600;line-height:1.5}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.news-cover{height:160px;padding:26px 28px;display:flex;flex-direction:column;justify-content:flex-end;position:relative}
.nc-en{position:absolute;top:22px;right:24px;font-size:12px;letter-spacing:3px;color:rgba(255,255,255,.65);font-weight:700}
.news-cover b{font-size:24px;color:#fff;font-weight:800;letter-spacing:2px}
.news-cover i{font-style:normal;font-size:13px;color:rgba(255,255,255,.8)}
.n1{background:radial-gradient(260px 180px at 85% 0%,rgba(255,255,255,.25),transparent),linear-gradient(135deg,#101d44,#2b52c9)}
.n2{background:radial-gradient(260px 180px at 15% 100%,rgba(255,255,255,.25),transparent),linear-gradient(135deg,#4b35a8,#7b5cff)}
.n3{background:radial-gradient(260px 180px at 85% 100%,rgba(255,255,255,.25),transparent),linear-gradient(135deg,#0d3a63,#10668a)}
.news-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.n-date{font-size:13px;color:var(--mut);font-family:Arial,sans-serif;margin-bottom:10px}
.news-body h3{font-size:16.5px;color:var(--ink);font-weight:700;line-height:1.6;margin-bottom:10px;flex:0}
.news-body p{font-size:13.5px;color:var(--mut);line-height:1.8}
.news-card:hover h3{color:var(--blue)}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;background:linear-gradient(120deg,#1a4fd6,#4d8dff 55%,#7b5cff);padding:78px 0}
.cta-deco{position:absolute;inset:0;background:radial-gradient(420px 220px at 12% 0%,rgba(255,255,255,.22),transparent),radial-gradient(520px 260px at 90% 100%,rgba(255,255,255,.16),transparent)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-txt h2{font-size:32px;color:#fff;font-weight:800;letter-spacing:1px}
.cta-txt p{margin-top:10px;color:rgba(255,255,255,.8);font-size:15.5px}
.cta-act{display:flex;gap:16px}

/* ---------- 页脚 ---------- */
.ft{background:#0b1226;color:rgba(255,255,255,.62);padding:72px 0 0;font-size:14px}
.ft-top{display:flex;gap:60px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.09)}
.ft-brand{width:330px;flex:none}
.ft-brand .logo{margin-bottom:18px;font-size:20px}
.ft-brand>p{font-size:13.5px;line-height:1.9;margin-bottom:22px}
.ft-tel b{display:block;font-family:Arial,sans-serif;font-size:26px;color:#fff;font-weight:800;letter-spacing:1px}
.ft-tel span{font-size:12.5px;color:rgba(255,255,255,.45)}
.ft-qrs{display:flex;gap:16px;margin-top:22px}
.ft-qr{text-align:center;font-size:12px}
.ft-qr i{font-style:normal;display:block;margin-top:8px;color:rgba(255,255,255,.55)}
.qr-ph{display:block;width:86px;height:86px;border-radius:10px;background:linear-gradient(135deg,#f2f6ff,#dce6f7);position:relative;overflow:hidden}
.qr-ph::before,.qr-ph::after{content:"";position:absolute;width:18px;height:18px;border:4px solid #9db4e8;border-radius:4px}
.qr-ph::before{left:10px;top:10px}
.qr-ph::after{right:10px;bottom:10px}
.qr-ph.big{width:120px;height:120px;margin:0 auto 10px}
.ft-cols{flex:1;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.ft-col h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.ft-col a{display:block;font-size:13.5px;margin-bottom:12px;color:rgba(255,255,255,.6);transition:.2s}
.ft-col a:hover{color:#7fb0ff;transform:translateX(3px)}
.ft-bot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:26px 0;font-size:12.5px;color:rgba(255,255,255,.4)}
.fb-links a{color:rgba(255,255,255,.5);margin:0 8px}
.fb-links a:hover{color:#fff}
.fb-links i{font-style:normal;color:rgba(255,255,255,.2)}

/* ---------- 右侧悬浮 ---------- */
.side{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;gap:10px}
.side-item{position:relative;width:62px;padding:12px 0 9px;border-radius:12px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:5px;font-size:12px;color:var(--txt);transition:.25s;box-shadow:0 8px 22px -12px rgba(16,29,61,.2)}
.side-item svg{width:21px;height:21px}
.side-item:hover{color:var(--blue);border-color:#c9d7f5;transform:translateX(-3px)}
.side-pop{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%) translateX(8px);background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:14px 18px;font-size:13px;color:var(--txt);white-space:nowrap;opacity:0;visibility:hidden;transition:.25s;text-align:center}
.side-item:hover .side-pop{opacity:1;visibility:visible;transform:translateY(-50%)}
.side-pop b{color:var(--blue);font-size:16px}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal[data-d="1"]{transition-delay:.12s}
.reveal[data-d="2"]{transition-delay:.24s}
.reveal[data-d="3"]{transition-delay:.36s}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .app-row,.pm-grid,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .wos-feats{grid-template-columns:repeat(2,1fr)}
  .case-grid,.news-grid,.cert-grid{grid-template-columns:repeat(2,1fr)}
  .case-card:last-child,.news-card:last-child,.cert:last-child{display:none}
  .logo-wall{grid-template-columns:repeat(4,1fr)}
  .ft-cols{grid-template-columns:repeat(3,1fr)}
  .hero-txt h2{font-size:42px}
  .hero-art{width:440px}
}
@media (max-width:900px){
  .sec{padding:64px 0}
  .sec-head h2{font-size:28px}
  .nav,.hd-act{display:none}
  .hd-mob{display:flex}
  /* 移动端展开菜单 */
  .hd.open{background:#fff;box-shadow:0 10px 30px -12px rgba(16,29,61,.18)}
  .hd.open .nav{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:72px;left:0;right:0;background:#fff;padding:10px 20px 16px;gap:0;max-height:calc(100vh - 72px);overflow:auto}
  .hd.open .nav-item{color:var(--ink);height:50px}
  .hd.open .nav-item.active{color:var(--blue)}
  .hd.open .mega{position:static;transform:none;min-width:0;box-shadow:none;opacity:1;visibility:visible;padding:4px 0 10px 14px;display:none}
  .hd.open .has-pop.open .mega{display:flex}
  .hd.open .has-pop.open .arr{transform:rotate(225deg) translateY(-1px)}
  .hd.open .hd-act{display:flex;position:static;margin:8px 20px 16px}
  .hero{height:auto;min-height:560px}
  .hero-slide{flex-direction:column;justify-content:center;text-align:center;padding:110px 24px 70px;gap:24px}
  .hero-txt h2{font-size:32px}
  .hero-btns{justify-content:center}
  .hero-art{width:min(90%,420px)}
  .sol{flex-direction:column}
  .sol-side{width:100%;flex-direction:row;flex-wrap:wrap}
  .sol-item{height:48px;padding:0 18px;font-size:15px}
  .sol-main{min-height:0}
  .sol-panel{position:relative;display:none}
  .sol-panel.active{display:flex;flex-direction:column}
  .sol-media{width:100%;min-height:200px}
  .sol-info{padding:30px 26px}
  .svc{flex-direction:column}
  .svc-map{width:100%}
  .cta-inner{flex-direction:column;text-align:center}
  .ft-top{flex-direction:column;gap:36px}
  .ft-brand{width:100%}
  .ft-cols{grid-template-columns:repeat(2,1fr)}
  .side{display:none}
  .cloud-band{flex-direction:column;align-items:flex-start;gap:18px;padding:26px 24px}
  .cloud-band .btn{margin-left:0}
}
@media (max-width:640px){
  .app-row,.pm-grid,.cat-grid,.case-grid,.news-grid,.cert-grid,.wos-feats,.wos-cap{grid-template-columns:1fr}
  .case-card:last-child,.news-card:last-child,.cert:last-child{display:flex}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .hero-txt h2{font-size:27px}
  .wos-stats{gap:36px}
  .ws-item b{font-size:34px}
  .svc-nums{gap:36px}
  .svc-nums b{font-size:34px}
}

/* ============================================================
   内页通用
   ============================================================ */
/* ---------- 内页页头 ---------- */
.page-hero{position:relative;padding:150px 0 66px;text-align:center;overflow:hidden;background:radial-gradient(900px 460px at 85% 10%,#d9e7ff 0%,transparent 62%),linear-gradient(160deg,#f5f9ff 0%,#e6efff 55%,#dce9ff 100%)}
.page-hero .ph-tag{display:inline-block;font-size:13px;letter-spacing:3px;font-weight:700;color:var(--blue);border:1px solid rgba(38,103,255,.25);background:rgba(38,103,255,.07);border-radius:999px;padding:6px 16px;margin-bottom:18px}
.page-hero h1{font-size:42px;color:var(--ink);font-weight:800;letter-spacing:1px}
.page-hero p{margin:16px auto 0;max-width:640px;font-size:16px;color:#5a6880;line-height:1.9}
.crumb{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;font-size:13.5px;color:var(--mut)}
.crumb a{transition:.2s}
.crumb a:hover{color:var(--blue)}
.crumb i{font-style:normal;opacity:.45}

/* ---------- 通用筛选 tab（复用 ctab） ---------- */
.filter-bar{display:flex;justify-content:center;margin-bottom:44px}

/* ---------- 表单 ---------- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form .full{grid-column:1/-1}
.f-item{display:flex;flex-direction:column;gap:8px}
.f-item label{font-size:14px;color:var(--ink);font-weight:600}
.f-item label i{font-style:normal;color:#e35d5d}
.f-item input,.f-item select,.f-item textarea{height:48px;border:1px solid var(--line);border-radius:12px;padding:0 16px;font-size:14.5px;color:var(--ink);background:#fff;font-family:inherit;transition:.2s;outline:none}
.f-item textarea{height:120px;padding:13px 16px;resize:vertical}
.f-item input:focus,.f-item select:focus,.f-item textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(38,103,255,.12)}
.form-tip{font-size:12.5px;color:var(--mut)}
/* 左右结构表单：label 在左、控件在右 */
.form-h .f-item{flex-direction:row;align-items:center;gap:14px}
.form-h .f-item label{width:108px;flex:none;text-align:right}
.form-h .f-item input,.form-h .f-item select{flex:1;min-width:0}
.form-h .f-act{margin-left:122px;display:flex;flex-direction:column;gap:10px}
@media (max-width:640px){
  .form-h .f-item{flex-direction:column;align-items:stretch;gap:8px}
  .form-h .f-item label{width:auto;text-align:left}
  .form-h .f-act{margin-left:0}
}

/* ---------- 时间线 ---------- */
.tl{position:relative;max-width:820px;margin:0 auto;padding-left:26px}
.tl::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--blue),var(--purple))}
.tl-item{position:relative;padding:0 0 34px 26px}
.tl-item::before{content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--blue);box-shadow:0 0 0 4px rgba(38,103,255,.14)}
.tl-item b{display:block;font-family:Arial,sans-serif;font-size:20px;color:var(--blue);font-weight:800}
.tl-item h4{font-size:16.5px;color:var(--ink);margin:4px 0 4px}
.tl-item p{font-size:14px;color:var(--mut)}

/* ---------- 文章详情 ---------- */
.art{max-width:860px;margin:0 auto}
.art-head{text-align:center;padding-bottom:34px;border-bottom:1px solid var(--line);margin-bottom:34px}
.art-head h1{font-size:32px;line-height:1.5;color:var(--ink);font-weight:800}
.art-meta{display:flex;justify-content:center;gap:22px;margin-top:16px;font-size:13.5px;color:var(--mut)}
.art-body p{font-size:15.5px;line-height:2;color:var(--txt);margin-bottom:18px}
.art-body h2{font-size:21px;color:var(--ink);font-weight:800;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--blue)}
.art-body ul{margin:0 0 18px;padding-left:22px}
.art-body li{font-size:15px;line-height:2;color:var(--txt);list-style:disc}
.art-quote{background:#f2f6ff;border-radius:12px;padding:20px 24px;font-size:14.5px;color:#43598a;line-height:1.9;margin-bottom:18px}
.art-nav{display:flex;justify-content:space-between;gap:16px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);font-size:14px}
.art-nav a{color:var(--mut);transition:.2s}
.art-nav a:hover{color:var(--blue)}

/* ---------- 案例详情 ---------- */
.cd-head{display:flex;gap:44px;align-items:center;margin-bottom:60px}
.cd-logo{width:150px;height:150px;flex:none;border-radius:24px;background:linear-gradient(135deg,#e8efff,#d5e2ff);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;color:var(--blue);letter-spacing:2px;text-align:center}
.cd-info h1{font-size:32px;color:var(--ink);font-weight:800;margin-bottom:12px}
.cd-info p{font-size:15px;color:var(--mut);line-height:1.9;max-width:760px}
.cd-tags{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.cd-tags i{font-style:normal;font-size:12.5px;color:var(--blue);background:rgba(38,103,255,.08);border:1px solid rgba(38,103,255,.2);border-radius:999px;padding:4px 14px}
.cd-block{margin-bottom:52px}
.cd-block>h2{font-size:23px;color:var(--ink);font-weight:800;margin-bottom:18px;padding-left:14px;border-left:4px solid var(--blue)}
.cd-block p{font-size:15px;line-height:2;color:var(--txt)}
.cd-nums{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cd-num{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;text-align:center}
.cd-num b{font-family:Arial,sans-serif;font-size:32px;font-weight:800;background:linear-gradient(120deg,#2667ff,#7b5cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.cd-num span{display:block;margin-top:6px;font-size:13.5px;color:var(--mut)}

/* ---------- 联系/办公点 ---------- */
.contact-grid{display:flex;gap:44px;align-items:flex-start}
.contact-form{flex:1.25;background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px;box-shadow:var(--shadow)}
.contact-side{flex:1;display:flex;flex-direction:column;gap:20px}
.ci-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 28px;display:flex;gap:18px;align-items:flex-start;transition:.3s}
.ci-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.ci-ic{width:48px;height:48px;flex:none;border-radius:12px;background:linear-gradient(135deg,#eef3ff,#dbe6ff);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:22px}
.ci-card b{display:block;font-size:16px;color:var(--ink);margin-bottom:4px}
.ci-card p{font-size:13.5px;color:var(--mut);line-height:1.8}
.office-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.office{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px;transition:.3s}
.office:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.office b{display:flex;align-items:center;gap:8px;font-size:16px;color:var(--ink);margin-bottom:8px}
.office b::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(120deg,#4d8dff,#7b5cff)}
.office p{font-size:13px;color:var(--mut);line-height:1.8}

/* ---------- 试用页 ---------- */
.trial-wrap{display:flex;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 30px 70px -30px rgba(38,103,255,.28)}
.trial-side{width:400px;flex:none;padding:56px 44px 44px;background:radial-gradient(520px 320px at 12% 0%,#d9e7ff 0%,transparent 64%),linear-gradient(160deg,#f5f9ff,#e6efff 58%,#dce9ff);display:flex;flex-direction:column;border-right:1px solid var(--line)}
.trial-side h2{font-size:23px;color:var(--ink);font-weight:800;line-height:1.5;margin-bottom:26px}
.trial-side .trial-list{gap:18px}
.trial-hot{margin-top:auto;background:#fff;border-radius:14px;padding:16px 20px;display:flex;align-items:center;gap:14px;box-shadow:0 12px 26px -14px rgba(16,29,61,.18)}
.trial-hot .ci-ic{width:42px;height:42px;font-size:19px}
.trial-hot span{display:block;font-size:12px;color:var(--mut)}
.trial-hot b{font-family:Arial,sans-serif;font-size:20px;color:var(--blue);letter-spacing:.5px}
.trial-main{flex:1;min-width:0;padding:56px 64px}
.trial-main h3{font-size:23px;color:var(--ink);font-weight:800;margin-bottom:6px}
.trial-main>p{font-size:13.5px;color:var(--mut);margin-bottom:30px}
.trial-main .form{gap:22px}
.trial-main .f-item input,.trial-main .f-item select{height:52px;font-size:15px}
.trial-main .form-h .f-item label{width:118px;font-size:14.5px}
.trial-main .form-h .f-act{margin-left:132px}
.trial-main .btn{width:100%;height:54px;font-size:16px;margin-top:4px}
.trial-safe{display:flex;justify-content:center;gap:26px;margin-top:18px;font-size:12.5px;color:var(--mut);flex-wrap:wrap}

/* ---------- 新闻列表行 ---------- */
.news-list{display:flex;flex-direction:column;gap:18px}
.news-row{display:flex;gap:28px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 32px;transition:.3s;align-items:center}
.news-row:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.nr-date{flex:none;width:86px;text-align:center;border-right:1px solid var(--line);padding-right:24px}
.nr-date b{display:block;font-family:Arial,sans-serif;font-size:28px;color:var(--ink);font-weight:800}
.nr-date span{font-size:12.5px;color:var(--mut)}
.nr-body{flex:1;min-width:0}
.nr-body h3{font-size:18px;color:var(--ink);font-weight:700;margin-bottom:8px;transition:.2s}
.news-row:hover h3{color:var(--blue)}
.nr-body p{font-size:13.5px;color:var(--mut);line-height:1.8}
.nr-tag{flex:none;font-size:12px;color:var(--blue);background:rgba(38,103,255,.08);border-radius:999px;padding:4px 12px;align-self:flex-start;margin-top:4px}
@media (max-width:640px){
  .news-row{flex-direction:column;align-items:flex-start;gap:14px;padding:22px}
  .nr-date{border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px;width:auto;text-align:left;display:flex;align-items:baseline;gap:8px}
}

/* ---------- 方案页行业卡片 ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ind-card{border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column}
.ind-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.ind-top{height:130px;display:flex;align-items:center;justify-content:center;gap:12px;font-size:20px;font-weight:800;color:var(--ink);letter-spacing:2px}
.ind-top span{font-size:34px}
.ind-body{padding:22px 24px;display:flex;flex-direction:column;flex:1}
.ind-body p{font-size:13.5px;color:var(--mut);line-height:1.8;margin-bottom:16px;flex:1}
.ind-feats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.ind-feats i{font-style:normal;font-size:12px;color:var(--txt);border:1px solid var(--line);border-radius:999px;padding:3px 10px}
@media (max-width:1100px){.ind-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.ind-grid{grid-template-columns:1fr}}

/* ---------- 内页响应式 ---------- */
@media (max-width:900px){
  .page-hero{padding:120px 0 50px}
  .page-hero h1{font-size:30px}
  .cd-head{flex-direction:column;text-align:center}
  .cd-tags{justify-content:center}
  .cd-nums{grid-template-columns:repeat(2,1fr)}
  .contact-grid{flex-direction:column}
  .trial-wrap{flex-direction:column}
  .trial-side{width:100%;border-right:0;border-bottom:1px solid var(--line)}
  .trial-main{padding:36px 28px}
  .office-grid{grid-template-columns:repeat(2,1fr)}
  .form{grid-template-columns:1fr}
  .contact-form{padding:28px}
}
@media (max-width:640px){
  .cd-nums,.office-grid{grid-template-columns:1fr}
}