/* =========================================================
   湖北成推网络科技有限公司 · 全站样式
   Design: rational information-architecture system
   深海军蓝 / 铜色点缀 / 细线分隔 / 8pt 间距
   ========================================================= */

:root{
  --ink:#0A1E31;
  --ink-deep:#071624;
  --brand:#17476F;
  --brand-2:#2A6A9E;
  --copper:#B0763F;
  --copper-light:#D9B993;
  --copper-wash:#F6EFE7;
  --paper:#FFFFFF;
  --paper-2:#F4F5F6;
  --paper-3:#ECEEF0;
  --line:#E2E6E9;
  --line-dark:rgba(255,255,255,.12);
  --text:#1B2734;
  --muted:#5A6874;
  --muted-2:#8B959E;

  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --serif:Georgia,"Times New Roman","Songti SC",serif;

  --wrap:1200px;
  --pad:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-1:0 1px 2px rgba(10,30,49,.04);
  --shadow-2:0 18px 44px -26px rgba(10,30,49,.35);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);font-size:16px;line-height:1.8;
  color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  text-wrap:pretty;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
::selection{background:var(--copper);color:#fff}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.wrap-narrow{max-width:900px;margin:0 auto;padding:0 var(--pad)}
.sec{padding:96px 0}
.sec-sm{padding:64px 0}
.sec-alt{background:var(--paper-2)}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark .sec-title{color:#fff}
.sec-dark .sec-desc{color:rgba(255,255,255,.62)}

/* ---------- typography helpers ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--copper);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.7}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:52px}
.sec-title{font-size:clamp(26px,3.1vw,38px);letter-spacing:-.02em;font-weight:600;text-wrap:balance}
.sec-desc{margin-top:14px;max-width:620px;color:var(--muted);font-size:16px;line-height:1.85}
.sec-more{
  flex:none;font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:8px;
  padding-bottom:6px;border-bottom:1px solid var(--line);transition:.3s var(--ease);white-space:nowrap
}
.sec-more:hover{color:var(--ink);border-color:var(--ink)}
.sec-more .ar{transition:transform .3s var(--ease)}
.sec-more:hover .ar{transform:translateX(4px)}
.num{font-family:var(--serif);font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 30px;font-size:15px;letter-spacing:.02em;
  border:1px solid transparent;border-radius:2px;cursor:pointer;
  transition:.35s var(--ease);white-space:nowrap
}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:#9A6535;transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(176,118,63,.75)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-sm{height:44px;padding:0 22px;font-size:14px}
.btn .ar{transition:transform .3s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:900;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(180%) blur(12px);
  transition:box-shadow .3s var(--ease)
}
.site-header.is-stuck{box-shadow:0 8px 24px -18px rgba(10,30,49,.4)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}

.brand{display:flex;align-items:center;flex:none;padding:6px 0}
.brand-cn{font-size:23px;font-weight:700;letter-spacing:.1em;color:var(--ink);line-height:1.2}
.brand:hover .brand-cn{color:var(--brand)}

.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{
  display:flex;align-items:center;gap:5px;height:78px;padding:0 15px;
  font-size:15px;color:#31404D;transition:color .25s var(--ease);position:relative
}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:24px;height:1.5px;
  background:var(--copper);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-item.active .nav-link::after{transform:scaleX(1)}
.nav-item.active .nav-link{color:var(--ink);font-weight:500}
.nav-caret{font-size:11px;transition:transform .3s var(--ease);opacity:.55}
.nav-item:hover .nav-caret{transform:rotate(180deg)}
.dropdown{
  position:absolute;top:100%;left:0;min-width:230px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.28s var(--ease)
}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:block;padding:11px 14px;font-size:14px;color:#3A4855;
  border-left:2px solid transparent;transition:.2s
}
.dropdown a:hover{background:var(--paper-2);color:var(--ink);border-left-color:var(--copper)}

.header-tel{display:flex;flex-direction:column;align-items:flex-end;padding-left:22px;margin-left:8px;border-left:1px solid var(--line);flex:none}
.header-tel small{font-size:10px;letter-spacing:.16em;color:var(--muted-2);font-family:var(--mono)}
.header-tel strong{font-family:var(--mono);font-size:17px;letter-spacing:.02em;color:var(--ink);font-weight:600}
.header-tel strong:hover{color:var(--copper)}

/* mobile toggle */
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:none;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:.3s var(--ease)}
.nav-toggle.on span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* mobile drawer */
.drawer{
  position:fixed;inset:78px 0 0;background:#fff;z-index:880;overflow-y:auto;
  padding:16px 20px 48px;transform:translateX(100%);transition:transform .38s var(--ease);
  visibility:hidden
}
.drawer.on{transform:translateX(0);visibility:visible}
.drawer-link{
  display:flex;justify-content:space-between;align-items:center;
  padding:17px 4px;font-size:16.5px;border-bottom:1px solid var(--line);color:var(--ink)
}
.drawer-sub{padding:4px 0 4px 16px;border-bottom:1px solid var(--line)}
.drawer-sub a{display:block;padding:11px 0;font-size:14.5px;color:var(--muted)}
.drawer-tel{margin-top:28px;padding:20px;background:var(--paper-2);border:1px solid var(--line)}
.drawer-tel span{display:block;font-size:11px;letter-spacing:.16em;color:var(--muted-2);font-family:var(--mono);margin-bottom:6px}
.drawer-tel strong{font-family:var(--mono);font-size:20px;color:var(--ink)}
body.no-scroll{overflow:hidden}

/* =========================================================
   HOME HERO
   ========================================================= */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:84px 0 92px
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 420px at 82% 6%,rgba(176,118,63,.20),transparent 62%),
    radial-gradient(600px 500px at 8% 96%,rgba(42,106,158,.20),transparent 65%);
  pointer-events:none
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:76px 76px;mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
  pointer-events:none
}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);
  font-size:11.5px;letter-spacing:.2em;color:var(--copper-light);margin-bottom:26px;
  border:1px solid rgba(217,185,147,.28);padding:7px 14px
}
.hero-eyebrow i{width:5px;height:5px;background:var(--copper-light);border-radius:50%;display:block}
.hero h1{
  font-size:clamp(34px,4.35vw,58px);line-height:1.24;letter-spacing:-.025em;font-weight:600;
  margin-bottom:24px
}
.hero h1 em{font-style:normal;color:var(--copper-light);position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:1px;
  background:rgba(217,185,147,.45)
}
.hero-sub{font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.72);max-width:520px;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:52px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.14);padding-top:26px;gap:8px
}
.hero-metrics div{border-left:1px solid rgba(255,255,255,.14);padding-left:16px}
.hero-metrics div:first-child{border-left:0;padding-left:0}
.hero-metrics b{display:flex;align-items:baseline;gap:2px;white-space:nowrap;font-family:var(--serif);font-size:30px;line-height:1.1;letter-spacing:-.01em;color:#fff}
.hero-metrics b small{font-size:15px;font-family:var(--sans);margin-left:2px;color:var(--copper-light)}
.hero-metrics div>span{display:block;font-size:12px;color:rgba(255,255,255,.52);margin-top:7px;letter-spacing:.02em;line-height:1.4}

/* AI answer mock (schematic) */
.ai-card{
  position:relative;background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(6px);
  padding:0;box-shadow:0 40px 80px -50px rgba(0,0,0,.9)
}
.ai-bar{
  display:flex;align-items:center;gap:8px;padding:13px 18px;
  border-bottom:1px solid rgba(255,255,255,.12);font-family:var(--mono);
  font-size:10.5px;letter-spacing:.14em;color:rgba(255,255,255,.5);text-transform:uppercase
}
.ai-bar i{width:7px;height:7px;border:1px solid rgba(255,255,255,.4);display:block}
.ai-bar span{margin-left:auto}
.ai-body{padding:22px 22px 24px}
.ai-q{
  display:flex;gap:10px;align-items:flex-start;padding-bottom:18px;
  border-bottom:1px dashed rgba(255,255,255,.16);margin-bottom:18px
}
.ai-q i{
  flex:none;width:22px;height:22px;border:1px solid rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;font-size:10px;
  font-style:normal;color:rgba(255,255,255,.65);margin-top:2px
}
.ai-q p{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.88)}
.ai-rank{display:flex;flex-direction:column;gap:9px}
.ai-row{
  display:flex;align-items:center;gap:13px;padding:13px 14px;
  border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.03)
}
.ai-row .idx{font-family:var(--mono);font-size:11px;color:rgba(255,255,255,.35);width:14px;flex:none}
.ai-row .nm{font-size:14px;color:rgba(255,255,255,.9);font-weight:500}
.ai-row .ds{font-size:11.5px;color:rgba(255,255,255,.42);margin-top:2px}
.ai-row .bar{flex:1;height:2px;background:rgba(255,255,255,.10);position:relative;margin:0 6px}
.ai-row .bar em{position:absolute;left:0;top:0;bottom:0;background:rgba(255,255,255,.22);display:block}
.ai-row.first{
  border-color:rgba(217,185,147,.55);background:rgba(176,118,63,.14);
  position:relative
}
.ai-row.first .nm{color:#fff;font-size:14.5px;font-weight:600}
.ai-row.first .ds{color:rgba(255,255,255,.62)}
.ai-row.first .idx{color:var(--copper-light)}
.ai-row.first .bar em{background:var(--copper-light)}
.ai-badge{
  margin-left:auto;flex:none;font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;
  background:var(--copper);color:#fff;padding:4px 8px
}
.ai-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;font-size:11.5px;color:rgba(255,255,255,.45)
}
.ai-foot b{color:#fff;font-family:var(--mono);font-size:13px;font-weight:600}
.ai-note{
  position:absolute;right:-14px;bottom:-16px;background:var(--copper);color:#fff;
  padding:11px 16px;font-size:12px;letter-spacing:.04em;box-shadow:0 16px 30px -18px rgba(0,0,0,.7)
}
.ai-cap{margin-top:16px;font-size:11px;color:rgba(255,255,255,.35);font-family:var(--mono);letter-spacing:.08em}

/* logo strip / trust */
.trust{border-bottom:1px solid var(--line);background:#fff}
.trust-in{display:flex;align-items:center;gap:40px;padding:26px 0;flex-wrap:wrap}
.trust-label{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--muted-2);flex:none}
.trust-list{display:flex;gap:34px;flex-wrap:wrap;font-size:13.5px;color:#43515E}
.trust-list span{position:relative;padding-left:14px}
.trust-list span::before{content:"";position:absolute;left:0;top:50%;width:5px;height:5px;background:var(--copper);transform:translateY(-50%) rotate(45deg)}

/* =========================================================
   SERVICE MATRIX
   ========================================================= */
.matrix{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line)
}
.mcell{
  position:relative;padding:30px 26px 28px;background:#fff;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:.35s var(--ease);display:flex;flex-direction:column
}
.mcell::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--copper);
  transition:width .4s var(--ease)
}
.mcell:hover{background:#FCFBF9;z-index:2;box-shadow:0 22px 48px -34px rgba(10,30,49,.5)}
.mcell:hover::before{width:100%}
.mcell-num{font-family:var(--mono);font-size:11px;color:var(--copper);letter-spacing:.14em;margin-bottom:22px}
.mcell h3{font-size:17px;margin-bottom:10px;letter-spacing:-.01em}
.mcell p{font-size:13.5px;line-height:1.8;color:var(--muted);flex:1}
.mcell .tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:6px}
.mcell .tags span{font-size:11px;color:#67737E;background:var(--paper-2);padding:3px 8px;border:1px solid var(--line)}
.mcell .go{margin-top:18px;font-size:12px;color:var(--muted-2);display:inline-flex;align-items:center;gap:6px;transition:.3s}
.mcell:hover .go{color:var(--copper);gap:10px}

/* =========================================================
   INDUSTRY INDEX LIST
   ========================================================= */
.ind-list{border-top:1px solid var(--line)}
.ind-head,.ind-row{display:grid;grid-template-columns:56px 1.15fr 1.7fr 1fr 40px;align-items:center;gap:24px}
.ind-head{
  padding:12px 0;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  color:var(--muted-2);border-bottom:1px solid var(--line);text-transform:uppercase
}
.ind-row{
  padding:28px 0;border-bottom:1px solid var(--line);transition:.35s var(--ease);
  position:relative
}
.ind-row::after{
  content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;background:var(--copper);
  transition:width .45s var(--ease)
}
.ind-row:hover{background:linear-gradient(90deg,rgba(246,239,231,.5),transparent 70%)}
.ind-row:hover::after{width:100%}
.ind-idx{font-family:var(--mono);font-size:12px;color:var(--copper)}
.ind-name{font-size:19px;font-weight:600;letter-spacing:-.01em}
.ind-name small{display:block;font-size:12px;font-weight:400;color:var(--muted-2);font-family:var(--mono);letter-spacing:.1em;margin-top:5px}
.ind-focus{font-size:13.5px;color:var(--muted);line-height:1.7}
.ind-kpi{font-family:var(--serif);font-size:22px;color:var(--ink)}
.ind-kpi small{display:block;font-family:var(--sans);font-size:11.5px;color:var(--muted-2);margin-top:2px}
.ind-arrow{color:var(--muted-2);font-size:16px;transition:.3s var(--ease);justify-self:end}
.ind-row:hover .ind-arrow{color:var(--copper);transform:translateX(6px)}

/* =========================================================
   PROCESS / METHOD
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line-dark)}
.sec-alt .steps,.sec .steps{border-top-color:var(--line)}
.step{padding:28px 22px 0 0;position:relative}
.step::before{
  content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;
  background:var(--copper);transform:rotate(45deg)
}
.step-n{font-family:var(--mono);font-size:11px;color:var(--copper);letter-spacing:.12em;margin-bottom:14px}
.step h4{font-size:16px;margin-bottom:8px}
.step p{font-size:13px;line-height:1.75;color:var(--muted)}
.sec-dark .step p{color:rgba(255,255,255,.55)}
.sec-dark .step h4{color:#fff}

/* closed loop */
.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.loop-item{background:var(--ink);padding:26px 22px;transition:.3s}
.loop-item:hover{background:#0F2A42}
.loop-item b{display:block;font-family:var(--mono);font-size:11px;color:var(--copper-light);margin-bottom:12px;letter-spacing:.1em}
.loop-item h4{font-size:15px;color:#fff;margin-bottom:6px}
.loop-item p{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}

/* =========================================================
   CASES
   ========================================================= */
.case-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12)}
.case-cell{background:var(--ink);padding:32px 28px;transition:.4s var(--ease);position:relative;overflow:hidden}
.case-cell:hover{background:#0E2840}
.case-cell.w3{grid-column:span 3}
.case-cell.w2{grid-column:span 2}
.case-tag{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--copper-light);margin-bottom:20px}
.case-big{font-family:var(--serif);font-size:44px;line-height:1;letter-spacing:-.02em;color:#fff}
.case-big small{font-size:17px;margin-left:3px;color:var(--copper-light);font-family:var(--sans)}
.case-label{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:8px}
.case-title{font-size:15px;color:#fff;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.case-sub{font-size:12px;color:rgba(255,255,255,.45);margin-top:5px;line-height:1.65}

/* =========================================================
   NEWS CARDS
   ========================================================= */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ncard{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;transition:.35s var(--ease)}
.ncard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFD6DB}
.ncard-top{padding:26px 26px 0;display:flex;gap:16px;align-items:flex-start}
.ncard-date{flex:none;text-align:center;border-right:1px solid var(--line);padding-right:16px}
.ncard-date b{display:block;font-family:var(--serif);font-size:27px;line-height:1;color:var(--ink);font-weight:400}
.ncard-date span{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--muted-2);margin-top:5px}
.ncard-cat{font-size:11px;color:var(--copper);border:1px solid rgba(176,118,63,.3);padding:3px 8px;display:inline-block;margin-bottom:10px}
.ncard h3{font-size:16.5px;line-height:1.55;margin-bottom:10px;transition:color .3s}
.ncard:hover h3{color:var(--brand)}
.ncard p{font-size:13px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ncard-foot{margin-top:auto;padding:18px 26px 22px;display:flex;justify-content:space-between;align-items:center;font-size:11.5px;color:var(--muted-2)}
.ncard-foot .rd{display:inline-flex;gap:6px;align-items:center;color:var(--ink);font-size:12px}
.ncard:hover .rd{color:var(--copper)}

/* =========================================================
   CTA BAND
   ========================================================= */
.cta-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:52px 0}
.cta-in h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.02em;margin-bottom:10px}
.cta-in p{font-size:14px;color:var(--muted)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
.cta-tel{display:flex;align-items:center;gap:14px}
.cta-tel .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--muted-2)}
.cta-tel .v{font-family:var(--mono);font-size:21px;color:var(--ink);font-weight:600}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.62);padding:72px 0 0}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .brand-cn{color:#fff;font-size:22px}
.foot-brand p{font-size:13px;line-height:1.9;margin-top:18px;max-width:300px;color:rgba(255,255,255,.5)}
.foot-h{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:rgba(255,255,255,.38);margin-bottom:20px;text-transform:uppercase}
.foot-links li{margin-bottom:11px}
.foot-links a{font-size:13.5px;color:rgba(255,255,255,.62);transition:.25s}
.foot-links a:hover{color:#fff;padding-left:3px}
.foot-contact li{font-size:13px;line-height:1.8;margin-bottom:12px;color:rgba(255,255,255,.58);display:flex;gap:10px}
.foot-contact li b{color:#fff;font-family:var(--mono);font-weight:500;font-size:15px}
.foot-contact li .lb{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:rgba(255,255,255,.32);display:block;margin-bottom:3px}
.foot-bot{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font-size:12px;color:rgba(255,255,255,.36);flex-wrap:wrap}
.foot-bot a:hover{color:rgba(255,255,255,.7)}
.foot-bot .links{display:flex;gap:20px;flex-wrap:wrap}

/* =========================================================
   INNER PAGE HERO
   ========================================================= */
.page-hero{background:var(--paper-2);border-bottom:1px solid var(--line);padding:34px 0 56px;position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:340px;height:340px;
  border:1px solid var(--line);border-radius:50%;opacity:.7;pointer-events:none
}
.page-hero::before{
  content:"";position:absolute;right:40px;top:60px;width:180px;height:180px;
  border:1px solid var(--line);border-radius:50%;opacity:.5;pointer-events:none
}
.crumb{display:flex;gap:9px;align-items:center;font-size:12px;color:var(--muted-2);margin-bottom:34px;flex-wrap:wrap;position:relative;z-index:2}
.crumb a:hover{color:var(--ink)}
.crumb .sep{opacity:.5}
.page-hero h1{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.025em;margin-bottom:16px;position:relative;z-index:2;text-wrap:balance}
.page-hero .lead{font-size:15.5px;line-height:1.9;color:var(--muted);max-width:720px;position:relative;z-index:2}
.page-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:26px;font-size:11.5px;font-family:var(--mono);letter-spacing:.08em;color:var(--muted-2);position:relative;z-index:2}
.page-meta span{padding-left:14px;border-left:1px solid var(--line)}
.page-meta span:first-child{border-left:0;padding-left:0}

/* stat row */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-row div{padding:34px 26px;border-left:1px solid var(--line)}
.stat-row div:first-child{border-left:0;padding-left:0}
.stat-row b{display:block;font-family:var(--serif);font-size:36px;line-height:1;color:var(--ink);font-weight:400}
.stat-row b small{font-size:16px;font-family:var(--sans);color:var(--copper)}
.stat-row span{display:block;font-size:12.5px;color:var(--muted);margin-top:10px}

/* =========================================================
   ABOUT
   ========================================================= */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.prose p{font-size:15.5px;line-height:2;color:#384654;margin-bottom:20px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink);font-weight:600}
.pull{
  border-top:1px solid var(--ink);border-bottom:1px solid var(--line);
  padding:30px 0 32px;margin:8px 0
}
.pull p{font-family:var(--serif);font-size:23px;line-height:1.7;color:var(--ink);letter-spacing:-.01em;margin:0}
.pull cite{display:block;margin-top:18px;font-style:normal;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--muted-2)}

.info-table{width:100%;border-collapse:collapse;font-size:14px}
.info-table th,.info-table td{padding:16px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.info-table th{width:150px;font-weight:400;color:var(--muted-2);font-family:var(--mono);font-size:11px;letter-spacing:.1em;padding-top:19px}
.info-table td{color:#2C3A47}

/* value cards */
.vgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.vcell{background:#fff;padding:34px 30px}
.vcell .vn{font-family:var(--mono);font-size:11px;color:var(--copper);letter-spacing:.12em;margin-bottom:16px}
.vcell h3{font-size:18px;margin-bottom:10px}
.vcell p{font-size:13.5px;line-height:1.85;color:var(--muted)}
.sec-alt .vcell{background:#fff}

/* region */
.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.region{background:#fff;padding:28px 24px;transition:.3s}
.region:hover{background:var(--copper-wash)}
.region b{display:block;font-size:16px;margin-bottom:8px}
.region span{font-size:12.5px;color:var(--muted);line-height:1.75;display:block}

/* =========================================================
   SERVICES PAGE
   ========================================================= */
.svc-block{display:grid;grid-template-columns:80px 1fr 300px;gap:36px;padding:44px 0;border-bottom:1px solid var(--line)}
.svc-block:first-child{border-top:1px solid var(--line)}
.svc-n{font-family:var(--serif);font-size:34px;color:var(--copper-light);line-height:1}
.svc-main h3{font-size:20px;margin-bottom:12px}
.svc-main p{font-size:14.5px;line-height:1.9;color:var(--muted)}
.svc-main .bullets{margin-top:18px;display:grid;gap:8px}
.svc-main .bullets li{font-size:13.5px;color:#3C4A57;padding-left:16px;position:relative}
.svc-main .bullets li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:1px;background:var(--copper)}
.svc-side{border-left:1px solid var(--line);padding-left:28px}
.svc-side .k{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--muted-2);margin-bottom:6px}
.svc-side .v{font-size:13.5px;color:var(--ink);margin-bottom:18px;line-height:1.7}

/* metric table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line)}
.data-tbl{width:100%;border-collapse:collapse;font-size:13.5px;min-width:620px}
.data-tbl th{background:var(--paper-2);font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--muted);font-weight:400;text-align:left;padding:14px 18px;border-bottom:1px solid var(--line)}
.data-tbl td{padding:16px 18px;border-bottom:1px solid var(--line);color:#33414E;vertical-align:top}
.data-tbl tr:last-child td{border-bottom:0}
.data-tbl td b{color:var(--ink)}

/* =========================================================
   SOLUTION DETAIL
   ========================================================= */
.sol-layout{display:grid;grid-template-columns:1fr 320px;gap:64px;align-items:start}
.sol-aside{position:sticky;top:104px}
.aside-box{border:1px solid var(--line);padding:26px;background:var(--paper-2);margin-bottom:20px}
.aside-box h4{font-size:14px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.aside-box ul li{margin-bottom:10px;font-size:13px;color:var(--muted);display:flex;gap:8px;line-height:1.65}
.aside-box ul li::before{content:"—";color:var(--copper);flex:none}
.aside-nav a{display:block;padding:10px 0;font-size:13.5px;color:#3E4C59;border-bottom:1px dashed var(--line);transition:.25s}
.aside-nav a:last-child{border-bottom:0}
.aside-nav a:hover,.aside-nav a.on{color:var(--copper);padding-left:4px}
.aside-tel{background:var(--ink);color:#fff;padding:28px 26px}
.aside-tel .k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:rgba(255,255,255,.45);margin-bottom:10px}
.aside-tel .v{font-family:var(--mono);font-size:20px;font-weight:600;letter-spacing:.01em}
.aside-tel p{font-size:12px;color:rgba(255,255,255,.5);margin-top:10px;line-height:1.7}

.sol-section{padding:38px 0;border-bottom:1px solid var(--line)}
.sol-section:first-child{padding-top:0}
.sol-section h2{font-size:22px;margin-bottom:18px;display:flex;align-items:baseline;gap:12px}
.sol-section h2 i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--copper);letter-spacing:.1em}
.sol-section p{font-size:15px;line-height:1.95;color:#3A4855;margin-bottom:16px}
.sol-section p:last-child{margin-bottom:0}

.pain-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin:22px 0}
.pain{background:#fff;padding:20px 22px;display:grid;grid-template-columns:190px 1fr;gap:20px;align-items:start}
.pain b{font-size:14px;color:var(--ink)}
.pain span{font-size:13.5px;color:var(--muted);line-height:1.8}

.deliver{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
.deliver div{border:1px solid var(--line);padding:20px;background:#fff}
.deliver b{display:block;font-size:14px;margin-bottom:6px}
.deliver span{font-size:12.5px;color:var(--muted);line-height:1.75}
.deliver div em{font-style:normal;font-family:var(--mono);font-size:10px;color:var(--copper);letter-spacing:.1em;display:block;margin-bottom:8px}

/* mini case */
.mini-case{background:var(--ink);color:#fff;padding:32px;margin-top:26px}
.mini-case .t{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--copper-light);margin-bottom:16px}
.mini-case .figs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}
.mini-case .figs b{display:block;font-family:var(--serif);font-size:30px;line-height:1;font-weight:400}
.mini-case .figs b small{font-size:14px;color:var(--copper-light)}
.mini-case .figs span{display:block;font-size:11px;color:rgba(255,255,255,.45);margin-top:6px}
.mini-case p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.85;margin:0}

/* =========================================================
   NEWS LIST
   ========================================================= */
.news-layout{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:start}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:8px}
.filter-btn{
  border:1px solid var(--line);background:#fff;font-size:13px;color:#45525F;
  padding:8px 16px;cursor:pointer;transition:.25s;border-radius:2px
}
.filter-btn:hover{border-color:var(--ink);color:var(--ink)}
.filter-btn.on{background:var(--ink);border-color:var(--ink);color:#fff}
.news-item{display:grid;grid-template-columns:1fr 150px;gap:28px;padding:30px 0;border-bottom:1px solid var(--line);transition:.3s}
.news-item:hover{background:linear-gradient(90deg,rgba(246,239,231,.45),transparent 75%)}
.news-item .cat{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--copper);margin-bottom:9px}
.news-item h3{font-size:18px;line-height:1.55;margin-bottom:10px;transition:color .3s}
.news-item:hover h3{color:var(--brand)}
.news-item p{font-size:13.5px;line-height:1.85;color:var(--muted);max-width:640px}
.news-item .meta{display:flex;gap:16px;margin-top:14px;font-size:11.5px;color:var(--muted-2)}
.news-date{text-align:right;font-family:var(--mono);font-size:12px;color:var(--muted-2);padding-top:4px}
.news-date b{display:block;font-family:var(--serif);font-size:30px;font-weight:400;color:var(--ink);line-height:1.1}
.news-date span{display:block;font-size:10.5px;letter-spacing:.1em;margin-top:4px}

.news-side .side-block{margin-bottom:38px}
.news-side h4{font-size:13px;letter-spacing:.04em;padding-bottom:12px;border-bottom:1px solid var(--ink);margin-bottom:16px}
.side-rank li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}
.side-rank li:last-child{border-bottom:0}
.side-rank .rk{font-family:var(--serif);font-size:16px;color:var(--copper);flex:none;width:20px}
.side-rank a{font-size:13px;line-height:1.7;color:#3D4B58;transition:.25s}
.side-rank a:hover{color:var(--copper)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{font-size:12px;padding:6px 11px;border:1px solid var(--line);color:var(--muted);transition:.25s}
.tag-cloud a:hover{border-color:var(--copper);color:var(--copper);background:var(--copper-wash)}

#pager{margin-top:44px;text-align:center}
#pager .layui-laypage{font-family:var(--sans)}
#pager .layui-laypage a,#pager .layui-laypage span{
  border-radius:2px!important;border-color:var(--line)!important;
  height:38px;line-height:38px;min-width:38px;font-size:13px;color:#45525F
}
#pager .layui-laypage .layui-laypage-curr .layui-laypage-em{background:var(--ink)!important}
#pager .layui-laypage em{color:#fff}
#pager .layui-laypage-curr em{color:#fff}
.page-count{font-size:12px;color:var(--muted-2);margin-top:14px;font-family:var(--mono);letter-spacing:.06em}

/* =========================================================
   ARTICLE
   ========================================================= */
.art-layout{display:grid;grid-template-columns:1fr 300px;gap:64px;align-items:start}
.art-body{max-width:780px}
.art-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.art-tags span{font-size:11.5px;color:var(--muted);border:1px solid var(--line);padding:4px 10px}
.article{font-size:16px;line-height:2.05;color:#2B3947}
.article>p{margin-bottom:24px}
.article h2{
  font-size:23px;margin:48px 0 20px;padding-top:26px;border-top:1px solid var(--line);
  letter-spacing:-.01em;scroll-margin-top:104px
}
.article h2:first-of-type{margin-top:8px;padding-top:0;border-top:0}
.article h3{font-size:18px;margin:32px 0 14px;color:var(--ink)}
.article ul,.article ol{margin:0 0 24px;padding-left:0}
.article ul li{position:relative;padding-left:20px;margin-bottom:11px;font-size:15px;line-height:1.9}
.article ul li::before{content:"";position:absolute;left:0;top:14px;width:6px;height:1px;background:var(--copper)}
.article ol{counter-reset:ol}
.article ol li{counter-increment:ol;position:relative;padding-left:32px;margin-bottom:11px;font-size:15px;line-height:1.9}
.article ol li::before{
  content:counter(ol,decimal-leading-zero);position:absolute;left:0;top:1px;
  font-family:var(--mono);font-size:11px;color:var(--copper)
}
.article blockquote{
  margin:32px 0;padding:26px 30px;background:var(--paper-2);
  border-top:1px solid var(--ink);border-bottom:1px solid var(--line);
  font-size:15.5px;line-height:1.9;color:#2F3D4A
}
.article blockquote p{margin:0}
.article table{width:100%;border-collapse:collapse;margin:28px 0;font-size:13.5px}
.article table th{background:var(--paper-2);text-align:left;padding:12px 14px;border:1px solid var(--line);font-weight:500;color:var(--ink);font-size:12.5px}
.article table td{padding:12px 14px;border:1px solid var(--line);color:#3B4956;vertical-align:top}
.article .keytake{
  border:1px solid var(--line);border-left:2px solid var(--copper);padding:24px 26px;margin:32px 0;
  background:#FCFBF9
}
.article .keytake b{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--copper);margin-bottom:12px}
.article .keytake ul{margin:0}
.article .keytake li{font-size:14px}
.article .keytake li::before{background:var(--copper)}

.art-foot{margin-top:52px;padding-top:26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
.art-share{font-size:12px;color:var(--muted-2);display:flex;gap:10px;align-items:center}
.art-share b{font-weight:400;font-family:var(--mono);letter-spacing:.1em;font-size:10.5px}
.art-nav{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);margin-top:40px;border:1px solid var(--line)}
.art-nav a{background:#fff;padding:22px 24px;display:block;transition:.3s}
.art-nav a:hover{background:var(--paper-2)}
.art-nav .k{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--muted-2);margin-bottom:6px}
.art-nav .t{font-size:14px;line-height:1.6;color:var(--ink)}
.art-nav a:last-child{text-align:right}

.art-side{position:sticky;top:104px}
.toc{border-left:1px solid var(--line);padding-left:22px;margin-bottom:34px}
.toc .k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted-2);margin-bottom:14px}
.toc a{display:block;font-size:13px;color:var(--muted);padding:6px 0;line-height:1.6;transition:.25s;border-left:1px solid transparent;margin-left:-23px;padding-left:22px}
.toc a:hover,.toc a.on{color:var(--ink);border-left-color:var(--copper)}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:start}
.contact-list{border-top:1px solid var(--line)}
.c-item{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}
.c-item dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--muted-2);padding-top:5px}
.c-item dd{margin:0;font-size:15px;line-height:1.8;color:#2F3D4A}
.c-item dd b{font-family:var(--mono);font-size:22px;font-weight:600;color:var(--ink);letter-spacing:.01em}
.c-item dd .sub{display:block;font-size:12.5px;color:var(--muted);margin-top:6px}
.map-card{border:1px solid var(--line);background:var(--paper-2);padding:30px}
.map-card h4{font-size:15px;margin-bottom:8px}
.map-card p{font-size:12.5px;color:var(--muted);line-height:1.8}
.map-svg{margin:18px 0;border:1px solid var(--line);background:#fff}
.map-svg svg{display:block;width:100%;height:auto}
.route{display:grid;gap:12px;margin-top:6px}
.route div{display:grid;grid-template-columns:56px 1fr;gap:12px;font-size:12.5px;color:var(--muted);line-height:1.7}
.route b{font-size:11px;color:var(--copper);font-family:var(--mono)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;justify-content:space-between;gap:20px;padding:22px 0;font-size:15.5px;cursor:pointer;color:var(--ink);transition:.25s}
.faq-q:hover{color:var(--copper)}
.faq-q i{font-style:normal;font-family:var(--mono);font-size:16px;color:var(--muted-2);transition:transform .3s;flex:none}
.faq-item.on .faq-q i{transform:rotate(45deg);color:var(--copper)}
.faq-a{display:none;padding:0 0 24px;font-size:14px;line-height:1.95;color:var(--muted);max-width:760px}
.faq-item.on .faq-a{display:block}

/* =========================================================
   MISC
   ========================================================= */
.totop{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;z-index:800;
  background:var(--ink);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:16px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.35s var(--ease)
}
.totop.on{opacity:1;visibility:visible;transform:translateY(0)}
.totop:hover{background:var(--copper)}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

.err-wrap{text-align:center;padding:120px 0}
.err-code{font-family:var(--serif);font-size:96px;line-height:1;color:var(--line);letter-spacing:-.03em}
.err-wrap h1{font-size:26px;margin:20px 0 12px}
.err-wrap p{color:var(--muted);font-size:14px;margin-bottom:30px}

.note-line{font-size:12px;color:var(--muted-2);line-height:1.8;border-top:1px solid var(--line);padding-top:18px;margin-top:36px}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1100px){
  .hero-in{gap:44px}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .ind-head,.ind-row{grid-template-columns:44px 1.2fr 1.6fr .9fr 30px;gap:18px}
  .svc-block{grid-template-columns:64px 1fr 240px;gap:28px}
  .foot-top{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .foot-top .foot-contact{grid-column:span 3;display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;border-top:1px solid rgba(255,255,255,.1);padding-top:28px}
}

@media (max-width:980px){
  .sec{padding:72px 0}
  .nav,.header-tel{display:none}
  .nav-toggle{display:flex}
  .header-in{height:68px}
  .drawer{inset:68px 0 0}
  .hero{padding:56px 0 64px}
  .hero-in{grid-template-columns:1fr;gap:46px}
  .hero-metrics{grid-template-columns:repeat(2,1fr);gap:22px 8px;padding-top:24px}
  .hero-metrics div:nth-child(3){border-left:0;padding-left:0}
  .hero-sub{max-width:none}
  .ai-card{max-width:560px}
  .ai-note{right:0}
  .two-col,.contact-grid,.sol-layout,.news-layout,.art-layout{grid-template-columns:1fr;gap:40px}
  .sol-aside,.art-side{position:static}
  .aside-nav{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .stat-row div:nth-child(3){border-left:0;padding-left:0}
  .stat-row div{padding:26px 20px}
  .region-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .case-cell,.case-cell.w3,.case-cell.w2{grid-column:span 1}
  .news-grid{grid-template-columns:1fr 1fr}
  .news-grid .ncard:last-child{display:none}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px;border-top:0}
  .step{padding-top:22px;border-top:1px solid var(--line)}
  .sec-dark .step{border-top-color:var(--line-dark)}
  .step::before{top:-4px}
  .loop{grid-template-columns:1fr 1fr}
  .ind-head{display:none}
  .ind-row{grid-template-columns:36px 1fr 30px;gap:14px 16px;padding:24px 0}
  .ind-focus{grid-column:2/3}
  .ind-kpi{grid-column:2/3;font-size:19px}
  .ind-arrow{grid-row:1;grid-column:3}
  .svc-block{grid-template-columns:1fr;gap:18px;padding:34px 0}
  .svc-n{font-size:26px}
  .svc-side{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
  .cta-in{flex-direction:column;align-items:flex-start;gap:28px;padding:44px 0}
  .foot-top{grid-template-columns:1fr 1fr}
  .foot-top .foot-brand{grid-column:span 2}
  .foot-top .foot-contact{grid-column:span 2;grid-template-columns:1fr}
  .art-nav{grid-template-columns:1fr}
  .art-nav a:last-child{text-align:left}
  .pain{grid-template-columns:1fr;gap:6px}
  .deliver{grid-template-columns:1fr}
  .mini-case .figs{grid-template-columns:1fr 1fr}
}

@media (max-width:640px){
  :root{--pad:20px}
  body{font-size:15px}
  .sec{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:34px}
  .sec-title{font-size:25px}
  .sec-desc{font-size:14.5px}
  .hero{padding:44px 0 52px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:14.5px}
  .hero-cta{gap:10px;margin-bottom:38px}
  .hero-cta .btn{flex:1;min-width:140px;padding:0 18px;height:48px;font-size:14px}
  .hero-metrics b{font-size:25px}
  .hero-metrics span{font-size:11px}
  .ai-body{padding:16px}
  .ai-row{padding:11px;gap:9px}
  .ai-row .ds{display:none}
  .ai-badge{font-size:8.5px;padding:3px 6px}
  .ai-note{position:static;margin-top:12px;text-align:center}
  .matrix{grid-template-columns:1fr}
  .mcell{padding:24px 22px}
  .news-grid{grid-template-columns:1fr}
  .news-grid .ncard:last-child{display:flex}
  .case-grid{grid-template-columns:1fr}
  .case-big{font-size:38px}
  .vgrid{grid-template-columns:1fr}
  .region-grid{grid-template-columns:1fr}
  .loop{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .page-hero{padding:24px 0 40px}
  .page-hero h1{font-size:26px}
  .page-hero .lead{font-size:14px}
  .page-hero::after{width:220px;height:220px;right:-90px}
  .page-hero::before{display:none}
  .stat-row{grid-template-columns:1fr 1fr}
  .stat-row b{font-size:28px}
  .stat-row div{padding:20px 14px}
  .stat-row div:nth-child(odd){border-left:0;padding-left:0}
  .news-item{grid-template-columns:1fr;gap:12px}
  .news-date{text-align:left;display:flex;align-items:baseline;gap:8px;order:-1}
  .news-date b{font-size:20px}
  .news-date span{margin-top:0}
  .footer{padding-top:52px}
  .foot-bot{flex-direction:column;align-items:flex-start;gap:10px}
  .article{font-size:15px;line-height:1.95}
  .article h2{font-size:20px}
  .article blockquote{padding:20px}
  .c-item{grid-template-columns:1fr;gap:6px}
  .c-item dd b{font-size:20px}
  .art-side{display:none}
  .aside-nav{grid-template-columns:1fr}
  .totop{right:16px;bottom:18px;width:40px;height:40px}
  .cta-in h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .mini-case{padding:22px}
  .mini-case .figs b{font-size:24px}
  .filter-btn{font-size:12px;padding:7px 12px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

@media print{
  .site-header,.site-footer,.totop,.cta-band,.art-side{display:none}
  body{color:#000}
}

/* =========================================================
   EXTRA COMPONENTS
   ========================================================= */
.skip{
  position:absolute;left:-9999px;top:0;z-index:999;background:var(--ink);color:#fff;
  padding:12px 18px;font-size:13px
}
.skip:focus{left:12px;top:12px}

.bullets{display:grid;gap:10px}
.bullets li{font-size:14.5px;line-height:1.9;color:#3A4855;padding-left:18px;position:relative}
.bullets li::before{content:"";position:absolute;left:0;top:13px;width:7px;height:1px;background:var(--copper)}

/* case detail blocks */
.case-block{border-top:1px solid var(--ink);padding:44px 0 56px}
.case-block:last-of-type{border-bottom:1px solid var(--line)}
.case-block-head{display:grid;grid-template-columns:124px 1fr;gap:28px;margin-bottom:26px}
.case-block-no{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--copper);padding-top:9px}
.case-block-tag{font-size:11px;color:var(--copper);letter-spacing:.1em;margin-bottom:9px}
.case-block-head h2{font-size:clamp(21px,2.5vw,27px);letter-spacing:-.02em}
.case-block-body{display:grid;gap:26px;padding-left:152px}
.case-part h4{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--muted-2);
  margin:0 0 10px;font-weight:400;text-transform:uppercase
}
.case-part p{font-size:15px;line-height:1.95;color:#3A4855}
.case-block .mini-case{margin-top:4px}

/* service network diagram */
.net-diagram{border:1px solid var(--line);background:#fff;margin:18px 0 12px}
.net-diagram svg{display:block;width:100%;height:auto}

@media (max-width:980px){
  .case-block-head{grid-template-columns:1fr;gap:10px}
  .case-block-no{padding-top:0}
  .case-block-body{padding-left:0}
}
@media (max-width:640px){
  .case-block{padding:34px 0 42px}
  .case-block .mini-case .figs{grid-template-columns:1fr 1fr}
}

/* solution figure */
.sol-figure{padding-top:34px}
.sol-figure figure{margin:0;border:1px solid var(--line);background:var(--paper-2)}
.sol-figure img{width:100%;display:block}
.sol-figure figcaption{
  padding:11px 16px;font-size:11.5px;color:var(--muted-2);font-family:var(--mono);
  letter-spacing:.04em;border-top:1px solid var(--line);background:#fff
}
@media (max-width:640px){.sol-figure{padding-top:22px}}

/* mobile ai note as tag */
@media (max-width:640px){
  .ai-note{
    position:static;display:inline-block;margin:14px 0 0;background:transparent;
    color:var(--copper-light);border:1px solid rgba(217,185,147,.42);padding:7px 12px;
    font-size:11px;box-shadow:none
  }
  .ai-cap{text-align:left}
}

/* case part label 中文字距 */
.case-part h4{letter-spacing:.06em;font-size:11.5px}
/* mobile article table */
@media (max-width:640px){
  .article table{font-size:12.5px}
  .article table th,.article table td{padding:9px 10px;word-break:break-word}
}

/* 表格内次级信息段 */
.info-table .td-sub{display:block;margin-top:9px;color:var(--muted);font-size:13px}

@media (max-width:640px){
  .info-table{font-size:13.5px}
  .info-table th{width:88px;font-size:10px;letter-spacing:.04em;padding-top:16px}
  .info-table th,.info-table td{padding:13px 0}
  .info-table .td-sub{font-size:12.5px;margin-top:8px}
}