:root{
  --ink:#0a0a0b; --ink2:#1d1d1f; --gray:#86868b; --gray2:#6e6e73;
  --line:#e7e7ec; --bg:#ffffff; --bg2:#f5f5f7; --black:#08080a;
  --mfg:#2b6df6; --mkt:#ff5575; --agt:#11b58c;
  --maxw:1200px; --r:28px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Helvetica Neue","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
section{scroll-margin-top:68px}
::selection{background:#d9e4ff}

/* ---------- 通用排版 ---------- */
.en-eyebrow{font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--gray)}
.sec-head{text-align:center;max-width:780px;margin:0 auto}
.sec-head .en-eyebrow{display:block;margin-bottom:18px}
.sec-head h2{font-size:clamp(30px,4.2vw,52px);font-weight:600;letter-spacing:-.03em;line-height:1.1}
.sec-head .sub{margin-top:20px;font-size:clamp(16px,1.5vw,19px);color:var(--gray2);font-weight:400}
.arrowbtn{width:38px;height:38px;border-radius:50%;border:1px solid rgba(0,0,0,.16);display:grid;place-items:center;
  transition:.25s;flex:0 0 auto}
.arrowbtn svg{width:15px;height:15px}
.mesh{position:absolute;inset:0;z-index:-1}

/* ---------- NAV ---------- */
header{position:fixed;top:0;left:0;right:0;height:60px;z-index:60;transition:background .35s,box-shadow .35s}
header.solid{background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);box-shadow:0 1px 0 rgba(0,0,0,.07)}
body.subpage header{background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);box-shadow:0 1px 0 rgba(0,0,0,.07)}
.nav{height:60px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:9px;font-weight:600;font-size:17px;letter-spacing:-.01em}
.logo img{height:34px;width:auto;display:block}
.logo .fallback{display:none;align-items:center;gap:9px}
.logo.nologo .fallback{display:flex}
.logo .mark{width:22px;height:22px;border-radius:50%;border:2px solid var(--ink);position:relative;flex:0 0 auto}
.logo .mark::before{content:"";position:absolute;inset:4px;border-radius:50%;
  background:conic-gradient(var(--ink) 0 25%,transparent 0 50%,var(--ink) 0 75%,transparent 0)}
.logo small{font-weight:500;font-size:11px;letter-spacing:.12em;color:var(--gray);margin-left:2px}
.navlinks{display:flex;align-items:center;gap:2px}
.navlinks a{padding:8px 16px;border-radius:980px;font-size:14px;font-weight:500;color:var(--gray2);transition:.2s}
.navlinks a:hover{color:var(--ink)}
.navlinks a.active{color:var(--ink)}
.navlinks a[data-sec="mfg"].active{color:var(--mfg)}
.navlinks a[data-sec="mkt"].active{color:var(--mkt)}
.navlinks a[data-sec="agt"].active{color:var(--agt)}
.nav-cta{background:var(--ink);color:#fff!important;padding:9px 20px!important;font-weight:500}
.nav-cta:hover{opacity:.85}
.burger{display:none;flex-direction:column;gap:5px;width:30px;background:none;border:none;cursor:pointer;padding:4px}
.burger span{height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ---------- HERO ---------- */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;position:relative;overflow:hidden;padding:90px 0 40px}
.hero .mesh{background:
  radial-gradient(42% 38% at 18% 22%,rgba(43,109,246,.20),transparent 62%),
  radial-gradient(38% 40% at 84% 16%,rgba(17,181,140,.18),transparent 62%),
  radial-gradient(46% 46% at 72% 78%,rgba(255,85,117,.14),transparent 62%),
  radial-gradient(40% 40% at 30% 88%,rgba(43,109,246,.10),transparent 62%),
  #fff;
  filter:saturate(108%)}
.hero .en-eyebrow{margin-bottom:26px}
.hero h1{font-size:clamp(42px,7.4vw,92px);font-weight:600;line-height:1.04;letter-spacing:-.045em;max-width:14ch}
.hero h1 .grad{background:linear-gradient(96deg,#2b6df6,#11b58c 45%,#ff5575);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{margin-top:28px;font-size:clamp(16px,2vw,21px);max-width:600px;color:var(--gray2);font-weight:400;line-height:1.6}
.hero .cta{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.btn{padding:14px 30px;border-radius:980px;font-size:15.5px;font-weight:500;transition:.22s;display:inline-flex;align-items:center;gap:8px}
.btn-dark{background:var(--ink);color:#fff} .btn-dark:hover{transform:translateY(-2px)}
.btn-ghost{border:1px solid rgba(0,0,0,.2);color:var(--ink)} .btn-ghost:hover{background:rgba(0,0,0,.04)}
.hero .vprops{margin:34px auto 0;display:flex;flex-direction:column;gap:11px;max-width:600px;text-align:left}
.hero .vprops div{font-size:15.5px;color:var(--ink2);display:flex;gap:11px;align-items:flex-start;line-height:1.55}
.hero .vprops .ck{color:var(--agt);font-weight:700;flex:0 0 auto;font-size:16px}
.hero .vprops b{font-weight:600;color:var(--ink)}
.hero .pills{margin-top:40px;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.hero .pills span{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border:1px solid var(--line);border-radius:980px;font-size:14px;font-weight:500;background:rgba(255,255,255,.6);backdrop-filter:blur(6px)}
.hero .pills i{width:7px;height:7px;border-radius:50%}
.scrollcue{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);color:var(--gray);font-size:11.5px;letter-spacing:.08em;text-align:center}
.scrollcue .dot{width:20px;height:32px;border:1.5px solid rgba(0,0,0,.22);border-radius:12px;margin:0 auto 8px;position:relative}
.scrollcue .dot::after{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);width:3px;height:6px;border-radius:2px;background:rgba(0,0,0,.4);animation:cue 1.7s infinite}
@keyframes cue{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}100%{opacity:0;transform:translate(-50%,11px)}}

/* ---------- 业务总览 ---------- */
.overview{padding:130px 0 120px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:64px}
.card{position:relative;border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--line);
  transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s;cursor:pointer;display:flex;flex-direction:column}
.card:hover{transform:translateY(-8px);box-shadow:0 34px 64px -34px rgba(0,0,0,.25)}
.card .visual{height:180px;position:relative;overflow:hidden}
.card.mfg .visual{background:radial-gradient(70% 90% at 25% 20%,#5b9bff,transparent 60%),radial-gradient(80% 80% at 90% 80%,#9fc6ff,transparent 55%),linear-gradient(135deg,#2b6df6,#173b8f)}
.card.mkt .visual{background:radial-gradient(70% 90% at 25% 20%,#ffb05a,transparent 60%),radial-gradient(80% 80% at 90% 80%,#ff8fa6,transparent 55%),linear-gradient(135deg,#ff5575,#c41e54)}
.card.agt .visual{background:radial-gradient(70% 90% at 25% 20%,#5fe0c0,transparent 60%),radial-gradient(80% 80% at 90% 80%,#a5e88a,transparent 55%),linear-gradient(135deg,#11b58c,#0a6f5e)}
.card .visual .vstat{position:absolute;left:26px;bottom:22px;color:#fff}
.card .visual .vstat b{font-size:42px;font-weight:600;letter-spacing:-.03em;line-height:1;text-shadow:0 2px 20px rgba(0,0,0,.15)}
.card .visual .vstat span{display:block;font-size:12.5px;opacity:.9;margin-top:6px;font-weight:400}
.card .body{padding:30px 28px 26px;flex:1;display:flex;flex-direction:column}
.card .en{font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gray);margin-bottom:10px}
.card h3{font-size:23px;font-weight:600;letter-spacing:-.02em;margin-bottom:12px}
.card .desc{color:var(--gray2);font-size:14.5px;flex:1;line-height:1.6}
.card .foot{margin-top:24px;display:flex;align-items:center;justify-content:space-between}
.card .foot span{font-size:14px;font-weight:500}
.card.mfg .foot span,.card.mfg h3{color:var(--mfg)} .card.mkt .foot span,.card.mkt h3{color:var(--mkt)} .card.agt .foot span,.card.agt h3{color:var(--agt)}
.card:hover .arrowbtn{background:var(--ink);border-color:var(--ink)} .card:hover .arrowbtn svg{stroke:#fff}
.card .ckl{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:8px}
.card .ckl li{font-size:13px;color:var(--gray2);display:flex;gap:8px;align-items:flex-start;line-height:1.5}
.card .ckl li .ck{flex:0 0 auto;font-weight:700}
.card.mfg .ckl .ck{color:var(--mfg)} .card.mkt .ckl .ck{color:var(--mkt)} .card.agt .ckl .ck{color:var(--agt)}

/* 双列大卡（WHY NOW） */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.tile .lead2{font-size:14.5px;color:var(--ink2);font-weight:500;margin:8px 0 6px;line-height:1.55}

/* 能力底座 */
.base{margin-top:24px;background:var(--black);border-radius:var(--r);padding:56px 56px;color:#fff;position:relative;overflow:hidden}
.base .mesh{background:radial-gradient(40% 60% at 15% 30%,rgba(43,109,246,.35),transparent 60%),radial-gradient(40% 60% at 85% 70%,rgba(17,181,140,.28),transparent 60%);opacity:.7}
.base .bh{max-width:560px;margin-bottom:44px}
.base .en-eyebrow{color:rgba(255,255,255,.55);margin-bottom:16px;display:block}
.base h4{font-size:clamp(24px,2.6vw,32px);font-weight:600;letter-spacing:-.02em;line-height:1.25}
.base p{color:rgba(255,255,255,.62);font-size:15.5px;margin-top:14px}
.base .pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border-radius:18px;overflow:hidden}
.base .pillar{background:var(--black);padding:28px 26px}
.base .pillar .pn{font-size:12px;font-weight:600;letter-spacing:.1em;color:rgba(255,255,255,.4)}
.base .pillar b{display:block;font-size:18px;font-weight:600;margin:14px 0 6px}
.base .pillar small{color:rgba(255,255,255,.5);font-size:13px}

/* ---------- 支线 章节大banner(黑色电影感) ---------- */
.branch-intro{padding:150px 0 120px;color:#fff;position:relative;overflow:hidden;background:var(--black)}
.branch-intro .mesh{opacity:.85}
.branch-intro.mfg .mesh{background:radial-gradient(45% 55% at 12% 20%,rgba(43,109,246,.5),transparent 60%),radial-gradient(50% 60% at 88% 80%,rgba(91,155,255,.3),transparent 60%)}
.branch-intro.mkt .mesh{background:radial-gradient(45% 55% at 12% 20%,rgba(255,85,117,.45),transparent 60%),radial-gradient(50% 60% at 88% 80%,rgba(255,176,90,.3),transparent 60%)}
.branch-intro.agt .mesh{background:radial-gradient(45% 55% at 12% 20%,rgba(17,181,140,.5),transparent 60%),radial-gradient(50% 60% at 88% 80%,rgba(165,232,138,.3),transparent 60%)}
.branch-intro .tag{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:980px;font-size:13px;font-weight:500;margin-bottom:26px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
.branch-intro .tag i{width:7px;height:7px;border-radius:50%}
.branch-intro h2{font-size:clamp(30px,4.6vw,58px);font-weight:600;line-height:1.1;letter-spacing:-.035em;max-width:18ch}
.branch-intro .lead{margin-top:24px;font-size:clamp(16px,1.6vw,20px);color:rgba(255,255,255,.7);max-width:640px;font-weight:400;line-height:1.6}
.branch-intro .quickstats{margin-top:50px;display:flex;flex-wrap:wrap;gap:56px}
.branch-intro .quickstats div b{font-size:clamp(34px,4vw,46px);font-weight:600;letter-spacing:-.03em}
.branch-intro .quickstats div small{font-size:18px;font-weight:500;margin-left:2px}
.branch-intro .quickstats div span{display:block;font-size:14px;color:rgba(255,255,255,.55);margin-top:6px}
.backhome{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.6);font-size:13.5px;font-weight:500;margin-bottom:30px;transition:.2s}
.backhome:hover{color:#fff}

/* ---------- 支线 正文 ---------- */
.branch-body{padding:110px 0 120px}
.blk{margin-bottom:84px}.blk:last-child{margin-bottom:0}
.blk-h{display:flex;align-items:baseline;gap:14px;margin-bottom:36px}
.blk-h .num{font-size:13px;font-weight:600;letter-spacing:.1em}
.blk-h h3{font-size:clamp(22px,2.6vw,32px);font-weight:600;letter-spacing:-.025em}
.mfg-c{color:var(--mfg)} .mkt-c{color:var(--mkt)} .agt-c{color:var(--agt)}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tile{background:var(--bg2);border-radius:22px;padding:30px 28px;transition:.3s}
.tile:hover{background:#eeeef1}
.tile .tn{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--gray)}
.tile h4{font-size:18px;font-weight:600;letter-spacing:-.02em;margin:16px 0 10px}
.tile p{font-size:14.5px;color:var(--gray2);line-height:1.6}
.tile .pill{display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.04em;padding:4px 12px;border-radius:980px;margin-bottom:16px}

.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border-radius:22px;overflow:hidden;border:1px solid var(--line)}
.feat .f{background:#fff;padding:26px 26px}
.feat .f .fn{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--gray)}
.feat .f b{font-size:16.5px;font-weight:600;display:block;margin:12px 0 5px;letter-spacing:-.01em}
.feat .f span{font-size:13.5px;color:var(--gray2)}

.kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.kpi{text-align:left}
.kpi b{font-size:clamp(34px,4vw,48px);font-weight:600;letter-spacing:-.03em;display:block;line-height:1}
.kpi span{font-size:13.5px;color:var(--gray2);margin-top:10px;display:block}
.kpi .ln{height:1px;background:var(--line);margin-top:22px}

.case{background:var(--black);border-radius:var(--r);overflow:hidden;display:grid;grid-template-columns:1.05fr 1fr;color:#fff;position:relative}
.case .ci{padding:54px 50px;position:relative;z-index:2}
.case .mesh{opacity:.6}
.case.mfg .mesh{background:radial-gradient(60% 80% at 10% 100%,rgba(43,109,246,.4),transparent 60%)}
.case.mkt .mesh{background:radial-gradient(60% 80% at 10% 100%,rgba(255,85,117,.4),transparent 60%)}
.case.agt .mesh{background:radial-gradient(60% 80% at 10% 100%,rgba(17,181,140,.4),transparent 60%)}
.case .badge{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:18px}
.case h4{font-size:clamp(22px,2.4vw,30px);font-weight:600;letter-spacing:-.025em;margin-bottom:18px;line-height:1.25}
.case .ctext{font-size:15.5px;color:rgba(255,255,255,.72);line-height:1.6}
.case .quote{font-size:15px;color:rgba(255,255,255,.82);border-left:2px solid rgba(255,255,255,.4);padding-left:16px;margin-top:24px;line-height:1.6}
.case .quote span{display:block;margin-top:8px;color:rgba(255,255,255,.55);font-size:13.5px}
.case .cstats{display:flex;gap:44px;margin-top:32px}
.case .cstats div b{font-size:34px;font-weight:600;letter-spacing:-.03em}
.case .cstats div span{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-top:4px}
.case.mfg .cstats b{color:#7fb0ff} .case.mkt .cstats b{color:#ff9db0} .case.agt .cstats b{color:#5fded0}
.case .cimg{background-size:cover;background-position:center;min-height:340px}

.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ladder .step{background:var(--bg2);border-radius:20px;padding:30px 26px;position:relative}
.ladder .step .sn{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--gray)}
.ladder .step h4{font-size:18px;font-weight:600;margin:14px 0 10px;letter-spacing:-.02em}
.ladder .step p{font-size:14px;color:var(--gray2);line-height:1.6}

.brands{display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;justify-content:center;padding:8px 0}
.brands span{font-size:clamp(18px,2vw,26px);font-weight:600;letter-spacing:-.01em;color:#c4c4cc;transition:.3s}
.brands span:hover{color:var(--ink2)}
.brands.sm{gap:12px 28px}
.brands.sm span{font-size:clamp(14px,1.4vw,17px);font-weight:600}

/* 服务企业 */
.clients{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:48px}
.clients span{background:var(--bg2);border-radius:14px;padding:20px;font-size:14.5px;font-weight:600;color:var(--ink2);display:flex;align-items:center;justify-content:center;text-align:center;min-height:78px;line-height:1.45;transition:.25s}
.clients span:hover{background:#eeeef1;transform:translateY(-3px)}
.clients span.haslogo{padding:12px 18px}
.clients span.haslogo img{max-height:48px;max-width:62%;width:auto;object-fit:contain;filter:grayscale(1);opacity:.72;transition:.25s}
.clients span.haslogo:hover img{filter:none;opacity:1}

/* 公司实景画廊 */
.gallery{margin-top:48px;display:grid;gap:14px}
.gallery .shot{border-radius:20px;overflow:hidden;position:relative;background:#e3e3e8}
.gallery .shot img{width:100%;height:100%;object-fit:cover;display:block;transition:.55s}
.gallery .shot:hover img{transform:scale(1.04)}
.gallery .lead{aspect-ratio:16/8.4;border-radius:24px}
.gallery .row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery .row .shot{aspect-ratio:16/10}
.gallery .cap{position:absolute;left:0;right:0;bottom:0;padding:34px 20px 14px;background:linear-gradient(transparent,rgba(0,0,0,.6));color:#fff;font-size:13px;font-weight:500;letter-spacing:.01em}
.gallery .lead .cap{font-size:15px;padding:44px 26px 20px}
@media(max-width:680px){.gallery .row{grid-template-columns:1fr}.gallery .lead{aspect-ratio:16/10}}
@media(max-width:680px){.price-grid{grid-template-columns:1fr!important}}

/* 核心团队 */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px}
.team .member{background:var(--bg2);border-radius:22px;overflow:hidden;transition:.3s}
.team .member:hover{transform:translateY(-4px);background:#eeeef1}
.team .member .ph{aspect-ratio:3/4;overflow:hidden;background:#e3e3e8}
.team .member .ph img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;transition:.5s}
.team .member:hover .ph img{transform:scale(1.04)}
.team .member .info{padding:18px 20px 22px}
.team .member .nm{font-size:17px;font-weight:600;letter-spacing:-.01em}
.team .member .ro{font-size:13px;color:var(--gray2);margin-top:5px;line-height:1.5}
.team .member .ro b{color:var(--mfg);font-weight:600}

/* 合作伙伴背书 */
.partner{background:var(--bg2);border:1px solid var(--line);border-radius:22px;padding:36px 38px}
.partner .pt-lead{font-size:16px;color:var(--ink2);line-height:1.65;margin-top:14px;max-width:780px}
.partner .pt-lead b{color:var(--mfg);font-weight:600}
.partner .pt-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:30px 0 22px;padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.partner .pt-stats b{font-size:clamp(26px,3.2vw,40px);font-weight:600;letter-spacing:-.03em;color:var(--mfg);display:block;line-height:1}
.partner .pt-stats span{font-size:13px;color:var(--gray2);margin-top:9px;display:block}
.partner .pt-note{font-size:13px;color:var(--gray2);display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;line-height:1.5}
.partner .pt-tag{font-size:11.5px;font-weight:600;color:var(--mfg);background:#eaf1ff;padding:5px 13px;border-radius:980px}

.team{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tm{border-radius:22px;overflow:hidden;background:var(--bg2)}
.tm .ph{height:230px;background-size:cover;background-position:center top}
.tm .ti2{padding:22px 22px 26px}
.tm .role{font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--mkt)}
.tm h4{font-size:19px;font-weight:600;margin:10px 0 3px;letter-spacing:-.02em}
.tm .en2{font-size:11px;letter-spacing:.12em;color:var(--gray);margin-bottom:10px}
.tm p{font-size:13.5px;color:var(--gray2);line-height:1.55}

/* 生态卡 */
.ecocard{background:var(--black);border-radius:var(--r);padding:54px 50px;color:#fff;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.1fr 1.4fr;gap:48px;align-items:center}
.ecocard .mesh{background:radial-gradient(50% 70% at 12% 30%,rgba(17,181,140,.45),transparent 60%),radial-gradient(50% 70% at 88% 80%,rgba(165,232,138,.3),transparent 60%);opacity:.8}
.ecocard h4{font-size:clamp(22px,2.4vw,30px);font-weight:600;letter-spacing:-.025em;line-height:1.25}
.ecocard p{color:rgba(255,255,255,.7);font-size:15px;margin-top:14px;line-height:1.6}
.ecocard .tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.14);border-radius:18px;overflow:hidden}
.ecocard .tier{background:var(--black);padding:26px 24px}
.ecocard .tier b{display:block;font-size:18px;font-weight:600}
.ecocard .tier small{color:rgba(255,255,255,.55);font-size:13px;margin-top:6px;display:block}

/* ---------- 收尾 ---------- */
.closing{padding:150px 0;background:var(--black);color:#fff;text-align:center;position:relative;overflow:hidden}
.closing .mesh{background:radial-gradient(40% 50% at 25% 30%,rgba(43,109,246,.3),transparent 60%),radial-gradient(40% 50% at 75% 70%,rgba(255,85,117,.22),transparent 60%),radial-gradient(40% 50% at 80% 25%,rgba(17,181,140,.22),transparent 60%);opacity:.85}
.closing h2{font-size:clamp(32px,5.2vw,68px);font-weight:600;letter-spacing:-.04em;line-height:1.08}
.closing .sub{margin-top:22px;font-size:clamp(16px,1.8vw,20px);color:rgba(255,255,255,.7);max-width:600px;margin-left:auto;margin-right:auto}
.closing .cta{margin-top:42px;display:inline-flex;gap:14px;flex-wrap:wrap;justify-content:center}
.closing .btn-dark{background:#fff;color:var(--ink)} .closing .btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.closing .btn-ghost:hover{background:rgba(255,255,255,.08)}
.ways{margin-top:70px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:920px;margin-left:auto;margin-right:auto}
.way{padding:28px 22px;border:1px solid rgba(255,255,255,.14);border-radius:20px;text-align:left}
.way .wn{font-size:12px;font-weight:600;letter-spacing:.1em;color:rgba(255,255,255,.45)}
.way b{display:block;font-size:16px;font-weight:600;margin:14px 0 5px}
.way small{font-size:13px;color:rgba(255,255,255,.55)}

footer{background:#050507;color:rgba(255,255,255,.55);padding:56px 0;font-size:13.5px}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;align-items:flex-start}
.foot .ftitle{color:#fff;font-weight:600;font-size:17px;margin-bottom:8px}
.foot .flogo{height:42px;width:auto;display:block}
.placeholder{color:#ffb454}
.foot .pend{color:rgba(255,255,255,.32);margin-top:10px;display:block}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 动效 / 丰富度 ---------- */
@media (prefers-reduced-motion: no-preference){
  .mesh{animation:meshDrift 24s ease-in-out infinite}
  @keyframes meshDrift{0%,100%{transform:scale(1) translate(0,0)}30%{transform:scale(1.14) translate(2%,-1.5%)}60%{transform:scale(1.08) translate(-2%,1.5%)}}
  .hero .mesh{animation-duration:32s}
}
.card{transform-style:preserve-3d;will-change:transform}
.card::after{content:"";position:absolute;inset:0;border-radius:var(--r);pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(240px circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.55),transparent 60%);mix-blend-mode:overlay}
.card:hover::after{opacity:1}

/* 产品演示框 */
.showcase{padding:4px 0 130px}
.showcase .sc-head{text-align:center;max-width:720px;margin:0 auto 50px}
.showcase .sc-head .en-eyebrow{display:block;margin-bottom:16px}
.showcase .sc-head h2{font-size:clamp(26px,3.6vw,44px);font-weight:600;letter-spacing:-.03em;line-height:1.14}
.frame{position:relative;border-radius:26px;overflow:hidden;background:var(--black);box-shadow:0 60px 110px -50px rgba(0,0,0,.5);max-width:1060px;margin:0 auto;border:1px solid rgba(255,255,255,.08)}
.frame .mesh{background:radial-gradient(50% 60% at 12% 8%,rgba(43,109,246,.42),transparent 60%),radial-gradient(55% 70% at 92% 100%,rgba(17,181,140,.3),transparent 60%);opacity:.6}
.frame .bar{display:flex;align-items:center;gap:8px;padding:15px 20px;border-bottom:1px solid rgba(255,255,255,.08);position:relative;z-index:2}
.frame .bar .dots{display:flex;gap:7px}.frame .bar .dots i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.18)}
.frame .bar .ttl{color:rgba(255,255,255,.82);font-size:13.5px;font-weight:600;margin-left:10px}
.frame .bar .live{margin-left:auto;display:inline-flex;align-items:center;gap:7px;font-size:11.5px;color:#5fded0;font-weight:600}
.frame .bar .live i{width:7px;height:7px;border-radius:50%;background:#11b58c;animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(17,181,140,.5)}70%{box-shadow:0 0 0 8px rgba(17,181,140,0)}100%{box-shadow:0 0 0 0 rgba(17,181,140,0)}}
.frame .ui{display:grid;grid-template-columns:168px 1fr;position:relative;z-index:2}
.frame .side{border-right:1px solid rgba(255,255,255,.08);padding:20px 14px;display:flex;flex-direction:column;gap:6px}
.frame .side .si{font-size:12.5px;color:rgba(255,255,255,.45);padding:10px 12px;border-radius:9px}
.frame .side .si.on{background:rgba(255,255,255,.1);color:#fff;font-weight:600}
.frame .main{padding:24px 26px;display:flex;flex-direction:column;gap:18px}
.frame .scks{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.frame .sck{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:16px 18px}
.frame .sck small{color:rgba(255,255,255,.5);font-size:11.5px}
.frame .sck b{display:block;font-size:26px;font-weight:600;color:#fff;margin-top:7px;letter-spacing:-.02em}
.frame .sck b em{font-size:12.5px;font-style:normal;color:#5fded0;margin-left:7px}
.frame .gantt{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:18px 22px}
.frame .gt{font-size:12px;color:rgba(255,255,255,.55);margin-bottom:16px;font-weight:600}
.frame .grow{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.frame .grow:last-child{margin-bottom:0}
.frame .grow .gl{width:70px;font-size:11.5px;color:rgba(255,255,255,.45);flex:0 0 auto}
.frame .grow .gtrack{flex:1;height:13px;background:rgba(255,255,255,.05);border-radius:7px;position:relative}
.frame .grow .gbar{position:absolute;top:0;bottom:0;border-radius:7px;transform:scaleX(0);transform-origin:left;animation:grow 1.5s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes grow{to{transform:scaleX(1)}}

/* 营销框 · 达人列表 */
.frame .kol{display:flex;align-items:center;gap:14px;padding:13px 2px;border-bottom:1px solid rgba(255,255,255,.06)}
.frame .kol:last-child{border-bottom:none}
.frame .kol .av{width:36px;height:36px;border-radius:50%;flex:0 0 auto}
.frame .kol .kn{flex:0 0 92px}
.frame .kol .kn b{display:block;color:#fff;font-size:13.5px;font-weight:600}
.frame .kol .kn small{color:rgba(255,255,255,.42);font-size:11px}
.frame .kol .km{flex:0 0 74px;color:rgba(255,255,255,.55);font-size:12px}
.frame .kol .kbar{flex:1;height:6px;border-radius:4px;background:rgba(255,255,255,.08);position:relative;overflow:hidden}
.frame .kol .kbar i{position:absolute;left:0;top:0;bottom:0;border-radius:4px;background:linear-gradient(90deg,#ff5575,#ffb05a);transform:scaleX(0);transform-origin:left;animation:grow 1.4s cubic-bezier(.2,.7,.2,1) forwards}
.frame .kol .kv{color:#ff9db0;font-size:13px;font-weight:600;flex:0 0 auto;width:30px;text-align:right}

/* 智能体框 · 对话 */
.frame .chat{padding:26px 28px 8px;display:flex;flex-direction:column;gap:13px;position:relative;z-index:2;min-height:340px}
.frame .msg{max-width:76%;padding:13px 17px;border-radius:16px;font-size:14px;line-height:1.55}
.frame .msg.me{align-self:flex-end;background:linear-gradient(120deg,#11b58c,#0a8f76);color:#fff;border-bottom-right-radius:5px}
.frame .msg.ai{align-self:flex-start;background:rgba(255,255,255,.07);color:rgba(255,255,255,.9);border-bottom-left-radius:5px;border:1px solid rgba(255,255,255,.08)}
.frame .msg .who{font-size:10.5px;color:rgba(255,255,255,.4);margin-bottom:6px;font-weight:600;letter-spacing:.08em}
.frame .typing{display:inline-flex;gap:5px;align-items:center;padding:2px 0}
.frame .typing i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.55);animation:typ 1.3s infinite}
.frame .typing i:nth-child(2){animation-delay:.2s}.frame .typing i:nth-child(3){animation-delay:.4s}
@keyframes typ{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.frame .composer{margin:8px 26px 24px;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:980px;padding:11px 12px 11px 20px;position:relative;z-index:2}
.frame .composer span{color:rgba(255,255,255,.4);font-size:13.5px;flex:1}
.frame .composer .send{width:32px;height:32px;border-radius:50%;background:#11b58c;display:grid;place-items:center;flex:0 0 auto}

/* 使命陈述 */
.statement{padding:124px 0;text-align:center}
.statement .en-eyebrow{display:block;margin-bottom:22px}
.statement h2{font-size:clamp(32px,5vw,58px);font-weight:600;letter-spacing:-.04em;line-height:1.14;max-width:18ch;margin:0 auto}
.statement h2 .muted{color:var(--gray)}
.statement p{margin:24px auto 0;color:var(--gray2);font-size:clamp(16px,1.6vw,19px);max-width:600px;line-height:1.6}

/* 数字成绩 */
.statband{background:var(--black);color:#fff;padding:96px 0;position:relative;overflow:hidden}
.statband .mesh{background:radial-gradient(40% 70% at 20% 30%,rgba(43,109,246,.3),transparent 60%),radial-gradient(40% 70% at 80% 70%,rgba(17,181,140,.25),transparent 60%);opacity:.7}
.statband .row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;position:relative;z-index:2}
.statband .s b{font-size:clamp(40px,5.5vw,68px);font-weight:600;letter-spacing:-.03em;display:block;line-height:1;
  background:linear-gradient(120deg,#5b9bff,#5fe0c0);-webkit-background-clip:text;background-clip:text;color:transparent}
.statband .s span{color:rgba(255,255,255,.6);font-size:14px;margin-top:14px;display:block}

/* 产品演示 · 三合一切换 */
.sc-tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:0 auto 36px}
.sc-tab{padding:11px 22px;border:1px solid var(--line);border-radius:980px;font-weight:600;font-size:14.5px;cursor:pointer;background:#fff;color:var(--gray2);transition:.2s;display:inline-flex;align-items:center;gap:8px}
.sc-tab i{width:8px;height:8px;border-radius:50%}
.sc-tab:hover{color:var(--ink);border-color:rgba(0,0,0,.3)}
.sc-tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.sc-frame{display:none}
.sc-frame.on{display:block}

/* 互动诊断 */
.diag{padding:130px 0;text-align:center}
.diag-chips{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:44px}
.diag-chip{padding:13px 26px;border:1px solid var(--line);border-radius:980px;font-weight:600;font-size:15px;cursor:pointer;transition:.22s;background:#fff;color:var(--ink2)}
.diag-chip:hover{border-color:rgba(0,0,0,.4);transform:translateY(-2px)}
.diag-chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.diag-panel{margin:40px auto 0;max-width:780px;background:var(--black);border-radius:var(--r);padding:44px 46px;color:#fff;position:relative;overflow:hidden;min-height:210px;text-align:left}
.diag-panel .mesh{background:radial-gradient(50% 80% at 15% 10%,rgba(43,109,246,.3),transparent 60%),radial-gradient(50% 80% at 90% 100%,rgba(17,181,140,.25),transparent 60%);opacity:.6}
.diag-panel .ph{position:relative;z-index:2;text-align:center;color:rgba(255,255,255,.5);font-size:15px;padding:32px 0}
.diag-res{position:relative;z-index:2}
.diag-res .rl{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#5fded0;margin-bottom:14px}
.diag-res h4{font-size:22px;font-weight:600;letter-spacing:-.02em;margin-bottom:12px;line-height:1.3}
.diag-res>p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.65}
.diag-res .rstat{margin:22px 0;padding:16px 20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;font-size:14.5px;color:rgba(255,255,255,.9)}
.diag-res .rstat b{color:#5fded0;font-weight:600}
.diag-res .ract{display:flex;gap:12px;flex-wrap:wrap}
.diag-res .ract a{padding:12px 24px;border-radius:980px;font-size:14.5px;font-weight:600;transition:.2s}
.diag-res .ract .p1{background:#fff;color:var(--ink)}.diag-res .ract .p1:hover{transform:translateY(-2px)}
.diag-res .ract .p2{border:1px solid rgba(255,255,255,.35);color:#fff}.diag-res .ract .p2:hover{background:rgba(255,255,255,.1)}

/* 约束标签云 / 阶段卡 */
.pillrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pillrow span{padding:9px 16px;background:var(--bg2);border-radius:10px;font-size:14px;font-weight:600;color:var(--ink2)}
.pillrow span.hl{background:#eaf1ff;color:var(--mfg)}
.tile .bul{list-style:none;margin-top:14px}
.tile .bul li{font-size:13.5px;color:var(--gray2);padding:6px 0 6px 18px;position:relative;line-height:1.45}
.tile .bul li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--mfg)}

/* 传统 vs 光线 对比 */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:56px}
.vs .col{border-radius:22px;padding:34px 32px;position:relative;overflow:hidden}
.vs .old{background:var(--bg2)}
.vs .new{background:var(--ink);color:#fff}
.vs .new .mesh{background:radial-gradient(60% 80% at 90% 0%,rgba(17,181,140,.32),transparent 60%);opacity:.6}
.vs .ch{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:.05em;margin-bottom:20px;position:relative;z-index:2}
.vs .old .ch{color:var(--gray)}.vs .new .ch{color:#5fded0}
.vs ul{list-style:none;position:relative;z-index:2}
.vs li{padding:15px 0;font-size:15px;display:flex;gap:11px;align-items:flex-start;line-height:1.5}
.vs li+li{border-top:1px solid}
.vs .old li+li{border-color:var(--line)}.vs .new li+li{border-color:rgba(255,255,255,.12)}
.vs .old li{color:var(--gray2)}.vs .new li{color:rgba(255,255,255,.9)}
.vs li .ic{flex:0 0 auto;font-weight:700}
.vs .old li .ic{color:#c4c4cc}.vs .new li .ic{color:#5fded0}

/* FAQ */
.faq{max-width:820px;margin:52px auto 0}
.faq .q{border-bottom:1px solid var(--line)}
.faq .qh{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:24px 4px;cursor:pointer;font-size:clamp(16px,1.7vw,18px);font-weight:600;letter-spacing:-.01em}
.faq .qh .plus{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .3s}
.faq .qh .plus::before,.faq .qh .plus::after{content:"";position:absolute;background:var(--ink);border-radius:2px}
.faq .qh .plus::before{left:0;right:0;top:10px;height:2px}
.faq .qh .plus::after{top:0;bottom:0;left:10px;width:2px;transition:opacity .3s}
.faq .q.open .plus::after{opacity:0}
.faq .qa{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--gray2);font-size:15px;line-height:1.7}
.faq .q.open .qa{max-height:300px;padding-bottom:24px}

/* 集成对接 */
.integ{margin-top:52px;display:grid;gap:24px}
.integ .ig .igt{font-size:13px;color:var(--gray);font-weight:600;letter-spacing:.05em;margin-bottom:14px}
.integ .pills2{display:flex;flex-wrap:wrap;gap:10px}
.integ .pills2 span{padding:10px 18px;background:var(--bg2);border-radius:12px;font-weight:600;font-size:14.5px;color:var(--ink2)}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .statband .row{grid-template-columns:repeat(2,1fr)!important;gap:36px 24px}
  .statement{padding:90px 0}.statband{padding:72px 0}
  .diag{padding:90px 0}.diag-panel{padding:32px 26px}
  .vs{grid-template-columns:1fr}
  .navlinks{position:fixed;top:60px;left:0;right:0;background:rgba(255,255,255,.96);backdrop-filter:blur(20px);
    flex-direction:column;align-items:stretch;padding:12px 20px 22px;gap:2px;box-shadow:0 12px 28px -14px rgba(0,0,0,.25);
    transform:translateY(-130%);transition:transform .35s;border-top:1px solid var(--line)}
  .navlinks.open{transform:none}
  .navlinks a{padding:14px 14px;border-radius:12px;font-size:15px}
  .navlinks a.active{background:var(--bg2)}
  .nav-cta{text-align:center;margin-top:8px}
  .burger{display:flex}
  .cards,.grid2,.grid3,.grid4,.feat,.kpis,.ladder,.team,.ways,.base .pillars,.ecocard,.ecocard .tiers,.case,.case.mfg,.case.mkt,.case.agt,.frame .scks,.partner .pt-stats,.clients{grid-template-columns:1fr!important}
  .partner{padding:28px 24px}
  .frame .ui{grid-template-columns:1fr}.frame .side{flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid rgba(255,255,255,.08)}.frame .side .si{font-size:11.5px;padding:7px 10px}
  .feat{border:none;background:none}.feat .f{border:1px solid var(--line);border-radius:18px}
  .base,.ecocard{padding:40px 28px}
  .case .ci{padding:38px 30px}.case .cimg{min-height:220px;order:-1}
  .branch-intro,.overview,.branch-body,.closing{padding-left:0;padding-right:0}
  .branch-intro{padding:120px 0 86px}.branch-body{padding:80px 0 90px}.overview{padding:96px 0 90px}.closing{padding:110px 0}
  .branch-intro .quickstats{gap:32px}
}
@media(max-width:900px) and (min-width:560px){
  .cards,.grid3,.grid4,.feat,.team,.base .pillars,.kpis,.partner .pt-stats,.clients{grid-template-columns:repeat(2,1fr)!important}
}