/* ============================================================
   碳略数字科技 · tanlue  官网样式
   品牌色取自 LOGO 定稿：G2 绿野游走 + 墨绿芯
   外环 #9CC95D · 中环 #06915B · 内环 #005A53 · 芯 #00442C
   ============================================================ */

:root{
  --g1:#9CC95D; --g2:#06915B; --g3:#005A53; --g4:#00442C;
  --lime:#C3E67C; --lime-soft:#E4F2C6;
  --ink:#081410;        /* 最深底 */
  --ink-2:#0D1F17;
  --ink-3:#122C1F;
  --line:rgba(156,201,93,.16);
  --line-2:rgba(255,255,255,.09);
  --text:#E9F1EA;
  --muted:#8CA697;
  --muted-2:#6C8778;
  --paper:#F5F8F3;
  --paper-2:#EBF1E7;
  --paper-line:#DCE5D6;
  --fg:#10221A;
  --fg-muted:#5E7568;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro SC","PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --wrap:1240px;
  --r:16px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.22;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--g1);color:#0A1A12}

.wrap{width:min(var(--wrap),100% - 48px);margin-inline:auto}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 通用标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--g1);margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--g1);border-radius:2px}
.sec{padding:118px 0;position:relative}
.sec--paper{background:var(--paper);color:var(--fg)}
.sec--paper .eyebrow{color:var(--g2)}
.sec--paper .eyebrow::before{background:var(--g2)}
.sec--ink2{background:var(--ink-2)}
.sec-h{font-size:clamp(30px,3.5vw,46px);letter-spacing:-.03em;max-width:20ch}
.sec-lead{margin-top:20px;font-size:16.5px;color:var(--muted);max-width:62ch;line-height:1.9}
.sec--paper .sec-lead{color:var(--fg-muted)}
.sec-head{margin-bottom:56px}

/* ---------- 顶栏 ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .45s cubic-bezier(.22,.61,.36,1),backdrop-filter .45s,border-color .45s;
  border-bottom:1px solid transparent;
}
.nav.solid{background:rgba(8,20,16,.86);backdrop-filter:blur(18px) saturate(140%);border-bottom-color:var(--line-2)}
.nav-in{display:flex;align-items:center;gap:34px;height:76px}
.brand{display:flex;align-items:center;flex:none}
.brand img{height:30px;width:auto}
.nav-links{display:flex;gap:30px;margin-left:auto;font-size:14.5px;font-weight:500}
.nav-links a{color:#BFD2C6;position:relative;padding:6px 0;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:var(--g1);transition:right .32s cubic-bezier(.22,.61,.36,1)}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{right:0}
.nav-cta{
  flex:none;margin-left:0;display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:100px;font-size:14px;font-weight:600;
  background:var(--g1);color:#0A1A12;transition:transform .25s,box-shadow .25s,background .25s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 26px -10px rgba(156,201,93,.8);background:var(--lime)}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);position:relative;flex:none}
.burger i{position:absolute;left:11px;width:20px;height:1.6px;background:#D8E6DC;border-radius:2px;transition:.3s}
.burger i:nth-child(1){top:15px}.burger i:nth-child(2){top:20px}.burger i:nth-child(3){top:25px}
.nav.open .burger i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav.open .burger i:nth-child(2){opacity:0}
.nav.open .burger i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.drawer{
  display:none;background:rgba(8,20,16,.98);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-2);padding:8px 0 22px;
}
.drawer a{display:block;padding:14px 0;font-size:16px;color:#CBDCD1;border-bottom:1px solid var(--line-2)}
.drawer a:last-of-type{border-bottom:0}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:-6% 0;z-index:-2;will-change:transform}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:50% 62%}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(8,20,16,.82) 0%,rgba(8,20,16,.42) 26%,rgba(8,20,16,.72) 62%,rgba(8,20,16,.98) 100%),
    linear-gradient(96deg,rgba(0,68,44,.72) 0%,rgba(6,20,15,.1) 58%,rgba(0,90,83,.35) 100%);
}
.hero-in{position:relative;width:min(var(--wrap),100% - 48px);margin-inline:auto;padding:150px 0 74px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:11px;margin-bottom:26px;
  padding:7px 16px 7px 12px;border-radius:100px;
  border:1px solid var(--line);background:rgba(156,201,93,.08);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;color:#CFE3B6;
}
.hero-kicker b{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--g1);box-shadow:0 0 0 4px rgba(156,201,93,.2)}
.hero h1{font-size:clamp(32px,6.1vw,80px);letter-spacing:-.045em;line-height:1.06;max-width:none;font-weight:800}
.hero h1 .nl{white-space:nowrap}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(96deg,var(--lime) 2%,var(--g1) 42%,#3FC08A 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.hero p.lead{margin-top:28px;font-size:clamp(15.5px,1.3vw,18px);line-height:1.95;color:#C2D5C9;max-width:60ch}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:40px}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:100px;
  font-size:15px;font-weight:600;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;
}
.btn svg{width:16px;height:16px;transition:transform .3s}
.btn:hover svg{transform:translateX(4px)}
.btn--p{background:var(--g1);color:#0A1A12;box-shadow:0 14px 34px -16px rgba(156,201,93,.9)}
.btn--p:hover{transform:translateY(-2px);background:var(--lime)}
.btn--g{border:1px solid rgba(255,255,255,.24);color:#EAF3EC;backdrop-filter:blur(6px);background:rgba(255,255,255,.045)}
.btn--g:hover{border-color:var(--g1);color:var(--g1);transform:translateY(-2px)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-top:66px;
  border-top:1px solid rgba(255,255,255,.14);padding-top:0;
}
.hs{padding:26px 26px 0 0;border-right:1px solid rgba(255,255,255,.1)}
.hs:last-child{border-right:0;padding-right:0}
.hs b{display:block;font-family:var(--sans);font-size:clamp(26px,2.7vw,40px);font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1.1}
.hs b i{font-style:normal;font-size:.5em;font-weight:700;color:var(--g1);margin-left:5px;letter-spacing:0}
.hs span{display:block;margin-top:9px;font-size:13px;color:#9DB5A8;line-height:1.6}

/* 数字滚动带 */
.ticker{border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);background:#0A1712;overflow:hidden;padding:15px 0}
.ticker-in{display:flex;gap:0;width:max-content;animation:slide 42s linear infinite}
.ticker-in span{
  display:inline-flex;align-items:center;gap:12px;padding:0 26px;
  font-size:13.5px;color:#8FA89A;white-space:nowrap;
}
.ticker-in span::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--g3)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.pain{
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r);
  padding:32px 30px 34px;position:relative;overflow:hidden;
  transition:transform .4s cubic-bezier(.22,.61,.36,1),box-shadow .4s;
}
.pain:hover{transform:translateY(-5px);box-shadow:0 26px 50px -30px rgba(16,34,26,.4)}
.pain::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--g1),var(--g2) 60%,transparent)}
.pain b.no{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--g2);font-weight:700}
.pain h3{margin:16px 0 12px;font-size:19px}
.pain p{font-size:14.6px;color:var(--fg-muted);line-height:1.85}
.pain-note{
  margin-top:26px;background:var(--ink-2);border-radius:var(--r);padding:30px 34px;
  display:flex;gap:22px;align-items:flex-start;border:1px solid var(--line);
}
.pain-note svg{width:26px;height:26px;flex:none;margin-top:2px;color:var(--g1)}
.pain-note p{font-size:15.5px;color:#C6D8CB;line-height:1.9}
.pain-note p b{color:#fff}

/* ---------- 业务方向 ---------- */
.biz{display:grid;gap:76px;margin-top:8px}
.biz-row{display:grid;grid-template-columns:1.03fr .97fr;gap:56px;align-items:center}
.biz-row:nth-child(even) .biz-media{order:2}
.biz-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 34px 70px -40px rgba(8,20,16,.65)}
.biz-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 1.1s cubic-bezier(.22,.61,.36,1)}
.biz-row:hover .biz-media img{transform:scale(1.045)}
.biz-media::after{content:"";position:absolute;inset:0;background:linear-gradient(190deg,rgba(0,68,44,0) 40%,rgba(0,32,22,.62) 100%)}
.biz-media .tagpill{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:100px;
  background:rgba(8,20,16,.62);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.16);
  font-size:12.5px;font-weight:600;color:#DEEBE1;letter-spacing:.02em;
}
.biz-media .tagpill i{width:6px;height:6px;border-radius:50%;background:var(--g1);display:block}
.biz-idx{font-family:var(--mono);font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--g2)}
.sec--paper .biz-idx{color:var(--g2)}
.biz h3{font-size:clamp(23px,2.4vw,31px);margin:14px 0 16px;letter-spacing:-.03em}
.biz p.bd{font-size:15.4px;color:var(--fg-muted);line-height:1.9}
.biz ul.chk{margin-top:24px;display:grid;gap:12px}
.biz ul.chk li{display:flex;gap:12px;font-size:14.6px;color:#2A4034;line-height:1.75}
.biz ul.chk li svg{width:17px;height:17px;flex:none;margin-top:4px;color:var(--g2)}
.biz ul.chk li b{font-weight:700;color:var(--fg)}

/* ---------- 产品 · 金蛙 ---------- */
.kw{position:relative}
.kw-top{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:52px}
.kw-name{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.kw-name h2{font-size:clamp(32px,4vw,52px);letter-spacing:-.035em}
.kw-name span{font-family:var(--mono);font-size:13.5px;letter-spacing:.22em;color:var(--g1);font-weight:600}
.kw-slogan{
  margin-top:14px;font-size:18px;font-weight:700;
  background:linear-gradient(96deg,var(--lime) 2%,var(--g1) 42%,#3FC08A 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.kw-why{font-size:14.6px;color:var(--muted);line-height:1.9}
.kw-why b{color:#DCEAE0}

/* 产品界面示意 */
.ui{
  border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:linear-gradient(180deg,#0E2118,#0A1712);box-shadow:0 50px 90px -50px rgba(0,0,0,.9);
}
.ui-bar{display:flex;align-items:center;gap:8px;padding:13px 18px;border-bottom:1px solid var(--line-2);background:rgba(255,255,255,.02)}
.ui-bar i{width:9px;height:9px;border-radius:50%;background:#2C4636;display:block}
.ui-bar i:first-child{background:var(--g3)}
.ui-bar span{margin-left:12px;font-family:var(--mono);font-size:11.5px;color:var(--muted-2);letter-spacing:.06em}
.ui-body{display:grid;grid-template-columns:minmax(0,1fr) 1.35fr;gap:1px;background:var(--line-2)}
.ui-col{background:linear-gradient(180deg,#0C1E17,#0A1712);padding:22px 22px 24px}
.ui-col h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:700;margin-bottom:16px}
.fin{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.07);font-size:13.4px}
.fin:last-child{border-bottom:0}
.fin span{color:var(--muted)}
.fin b{font-family:var(--mono);font-weight:600;color:#D6E6DA;font-size:13.2px}
.fin b.hl{color:var(--g1)}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:18px}
.kpi{border:1px solid var(--line-2);border-radius:12px;padding:14px 15px;background:rgba(156,201,93,.035)}
.kpi span{display:block;font-size:11.5px;color:var(--muted-2);letter-spacing:.04em}
.kpi b{display:block;font-family:var(--sans);font-size:25px;font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1.25;margin-top:3px}
.kpi b i{font-style:normal;font-size:.52em;color:var(--g1);margin-left:2px}
.kpi.good b{color:var(--g1)}
.spark{height:112px;width:100%}
.spark path,.spark line{vector-effect:non-scaling-stroke}

/* 亮点 */
.kw-hl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:34px}
.hl{border:1px solid var(--line-2);border-radius:14px;padding:24px 22px;background:rgba(255,255,255,.018);transition:border-color .3s,background .3s,transform .35s}
.hl:hover{border-color:var(--line);background:rgba(156,201,93,.05);transform:translateY(-4px)}
.hl svg{width:22px;height:22px;color:var(--g1);margin-bottom:14px}
.hl h4{font-size:16px;margin-bottom:9px}
.hl p{font-size:13.6px;color:var(--muted);line-height:1.8}

/* ---------- 运行数据 · 视频 ---------- */
.datatop{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end;margin-bottom:40px}
.tabs{display:inline-flex;gap:6px;padding:5px;border-radius:100px;border:1px solid var(--line-2);background:rgba(255,255,255,.03)}
.tab{padding:9px 20px;border-radius:100px;font-size:14px;font-weight:600;color:var(--muted);transition:.28s}
.tab.on{background:var(--g1);color:#0A1A12}
.tab:hover:not(.on){color:#DCEAE0}
.player{position:relative;border-radius:18px;overflow:hidden;background:#06110D;border:1px solid var(--line-2);aspect-ratio:16/9}
.player video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .55s}
.player video.on{opacity:1;z-index:1}
.player .meta{
  position:absolute;left:24px;bottom:22px;right:24px;display:flex;justify-content:space-between;
  align-items:flex-end;gap:20px;pointer-events:none;
}
.player .meta .l b{display:block;font-size:19px;font-weight:700}
.player .meta .l span{font-size:13px;color:#A9C0B2}
.player .meta .r{font-family:var(--mono);font-size:12px;color:#8FA89A;text-align:right;line-height:1.7}
.player::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,13,.25),rgba(6,17,13,0) 38%,rgba(6,17,13,.82));pointer-events:none}

/* ---------- 能力矩阵 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--paper-line);border:1px solid var(--paper-line);border-radius:var(--r);overflow:hidden;margin-top:12px}
.cap{background:var(--paper);padding:34px 30px 36px;transition:background .35s}
.cap:hover{background:#fff}
.cap svg{width:24px;height:24px;color:var(--g2);margin-bottom:18px}
.cap h3{font-size:17.5px;margin-bottom:10px}
.cap p{font-size:14.4px;color:var(--fg-muted);line-height:1.85}
.cap .freq{display:inline-block;margin-top:16px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--g3);border:1px solid var(--paper-line);border-radius:100px;padding:3px 11px}

/* ---------- 画面墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin-top:12px}
.wall figure{position:relative;margin:0;border-radius:13px;overflow:hidden;background:#0A1712;aspect-ratio:16/10}
.wall figure img{width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.22,.61,.36,1),filter .5s}
.wall figure:hover img{transform:scale(1.08)}
.wall figure figcaption{
  position:absolute;inset:auto 0 0 0;padding:26px 14px 12px;
  font-size:11.5px;font-weight:600;color:#E3EEE6;letter-spacing:.02em;
  background:linear-gradient(180deg,transparent,rgba(6,17,13,.86));
  opacity:0;transform:translateY(6px);transition:.38s;
}
.wall figure:hover figcaption{opacity:1;transform:none}
.wall .w2{grid-column:span 2}
.wall .w3{grid-column:span 3}

/* ---------- 关于 ---------- */
.about{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:start}
.about h2{font-size:clamp(27px,3vw,40px);margin-bottom:24px;letter-spacing:-.03em}
.about p{font-size:15.6px;color:var(--fg-muted);line-height:1.95;margin-bottom:18px}
.about p b{color:var(--fg);font-weight:700}
.facts{display:grid;gap:1px;background:var(--paper-line);border:1px solid var(--paper-line);border-radius:var(--r);overflow:hidden}
.fact{background:#fff;padding:22px 24px;display:flex;gap:18px;align-items:flex-start}
.fact svg{width:20px;height:20px;color:var(--g2);flex:none;margin-top:5px}
.fact b{display:block;font-size:14.6px;margin-bottom:4px}
.fact span{font-size:13.6px;color:var(--fg-muted);line-height:1.75}
.fact em{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--g2)}

/* ---------- 观点卡 ---------- */
.feed{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post{
  border:1px solid var(--line-2);border-radius:var(--r);padding:28px 26px 30px;
  display:flex;flex-direction:column;gap:14px;background:rgba(255,255,255,.018);
  transition:border-color .3s,background .3s,transform .4s;
}
.post:hover{border-color:var(--line);background:rgba(156,201,93,.05);transform:translateY(-4px)}
.post .cat{align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--g1);border:1px solid var(--line);border-radius:100px;padding:3px 11px}
.post h3{font-size:17px;line-height:1.5;letter-spacing:-.015em}
.post p{font-size:13.8px;color:var(--muted);line-height:1.8;flex:1}
.post time{font-family:var(--mono);font-size:11.5px;color:var(--muted-2);letter-spacing:.04em}

/* ---------- CTA / 联络 ---------- */
.cta{position:relative;overflow:hidden;border-radius:24px;isolation:isolate}
.cta-bg{position:absolute;inset:0;z-index:-2}
.cta-bg img{width:100%;height:100%;object-fit:cover}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(4,32,22,.94) 0%,rgba(5,40,28,.82) 45%,rgba(0,90,83,.62) 100%)}
.cta-in{padding:70px 64px;display:grid;grid-template-columns:1.25fr .75fr;gap:52px;align-items:center}
.cta h2{font-size:clamp(27px,3.2vw,42px);letter-spacing:-.035em}
.cta p{margin-top:18px;font-size:15.6px;color:#C7DACD;line-height:1.9;max-width:44ch}
.contact{display:grid;gap:14px}
.ct{border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:20px 22px;background:rgba(255,255,255,.05);backdrop-filter:blur(8px)}
.ct span{display:block;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#93B3A2;font-weight:700}
.ct b{display:block;margin-top:7px;font-size:16px;font-weight:600;color:#fff}
.ct b small{display:block;font-size:12.5px;color:#A8C0B2;font-weight:500;margin:3px 0 0}

/* ---------- 页脚 ---------- */
.foot{border-top:1px solid var(--line-2);padding:64px 0 40px;background:#06110D}
.foot-top{display:grid;grid-template-columns:1.4fr repeat(3,minmax(0,.75fr));gap:40px;padding-bottom:44px;border-bottom:1px solid var(--line-2)}
.foot-brand img{height:32px;margin-bottom:20px}
.foot-brand p{font-size:13.6px;color:var(--muted-2);line-height:1.85;max-width:34ch}
.foot-col h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#8FA89A;margin-bottom:16px;font-weight:700}
.foot-col a,.foot-col span{display:block;font-size:14px;color:#A9C0B2;padding:6px 0;transition:color .25s}
.foot-col a:hover{color:var(--g1)}
.foot-bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;font-size:12.5px;color:#63796D}
.foot-bot a:hover{color:var(--g1)}
.foot-legal{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}
.foot-beian{display:inline-flex;align-items:center;gap:6px;color:inherit;text-decoration:none;white-space:nowrap}
.foot-beian img{width:18px;height:20px;object-fit:contain;flex:none}

/* ---------- 入场动效 ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .85s cubic-bezier(.22,.61,.36,1),transform .85s cubic-bezier(.22,.61,.36,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.09s}.rv-d2{transition-delay:.18s}.rv-d3{transition-delay:.27s}
.rv-d4{transition-delay:.36s}.rv-d5{transition-delay:.45s}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .ticker-in{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hs{padding:22px 20px 0 0}.hs:nth-child(2){border-right:0}
  .kw-hl{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cap-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feed{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wall{grid-template-columns:repeat(4,minmax(0,1fr))}
  .biz-row{grid-template-columns:1fr;gap:32px}
  .biz-row:nth-child(even) .biz-media{order:0}
  .kw-top{grid-template-columns:1fr;gap:24px;align-items:start}
  .about{grid-template-columns:1fr;gap:40px}
  .cta-in{grid-template-columns:1fr;gap:36px;padding:52px 40px}
  .foot-top{grid-template-columns:1fr 1fr;gap:34px}
  .nav-in{gap:18px}
  .nav-links{display:none}
  .nav-cta{margin-left:auto}
  .burger{display:block;margin-left:14px}
  .nav.open .drawer{display:block}
}
@media(max-width:820px){
  .sec{padding:84px 0}
  .pain-grid{grid-template-columns:1fr}
  .ui-body{grid-template-columns:1fr}
  .datatop{grid-template-columns:1fr;gap:20px;align-items:start}
  .wall{grid-template-columns:repeat(3,minmax(0,1fr))}
  .feed{grid-template-columns:1fr}
  .hero-in{padding:132px 0 58px}
  .pretxt{padding:34px 28px}
}
@media(max-width:620px){
  .nav-cta{display:none}
  .burger{margin-left:auto}
  .wrap,.hero-in{width:calc(100% - 36px)}
  .hero-stats{grid-template-columns:1fr 1fr;margin-top:44px}
  .hs{padding:18px 14px 0 0}
  .hs span{font-size:12px}
  .kw-hl,.cap-grid{grid-template-columns:1fr}
  .wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .wall figure figcaption{opacity:1;transform:none;font-size:11px;padding:20px 10px 9px}
  .cta-in{padding:40px 24px}
  .foot-top{grid-template-columns:1fr;gap:28px}
  .pain-note{flex-direction:column;gap:14px;padding:26px 24px}
  .biz{gap:56px}
  .ticker-in span{font-size:12.5px;padding:0 18px}
}

/* ---------- 解决方案卡片（V2 官网配文版） ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:8px}
.sol{
  display:flex;flex-direction:column;gap:0;
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r);
  padding:32px 32px 28px;transition:border-color .3s,transform .3s,box-shadow .3s;
}
.sol:hover{transform:translateY(-4px);border-color:rgba(6,145,91,.35);box-shadow:0 26px 54px -38px rgba(8,20,16,.5)}
.sol-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.sol-idx{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;color:var(--g2);font-weight:600}
.sol-badge{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;color:#7A8B80;
  border:1px solid var(--paper-line);border-radius:100px;padding:4px 12px;white-space:nowrap}
.sol-badge i{width:6px;height:6px;border-radius:50%;background:#C4CFC7;display:block}
.sol-badge.on{color:#0E7C5A;border-color:rgba(14,124,90,.3);background:rgba(156,201,93,.14)}
.sol-badge.on i{background:var(--g2)}
.sol h3{font-size:clamp(19px,1.9vw,23px);letter-spacing:-.02em;color:var(--fg)}
.sol-d{margin-top:10px;font-size:13.8px;color:var(--muted);line-height:1.8}
.sol-list{margin-top:18px;display:grid;gap:11px;flex:1}
.sol-list li{display:flex;gap:11px;font-size:14.2px;color:#2A4034;line-height:1.7}
.sol-list li svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--g2)}
.sol-more{margin-top:22px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--g2)}
.sol-more svg{transition:transform .3s}
.sol-more:hover svg{transform:translateX(4px)}
/* 旗舰卡：深底反白 */
.sol--flag{background:linear-gradient(160deg,#0C211A 0%,#081410 100%);border-color:rgba(156,201,93,.22)}
.sol--flag h3{color:#F2F7F0}
.sol--flag .sol-d{color:#93A89B}
.sol--flag .sol-idx{color:var(--g1)}
.sol--flag .sol-badge{color:#C9D8CC;border-color:rgba(255,255,255,.14)}
.sol--flag .sol-badge.on{color:#C3E67C;border-color:rgba(195,230,124,.32);background:rgba(156,201,93,.12)}
.sol--flag .sol-list li{color:#C9D8CC}
.sol--flag .sol-list li svg{color:var(--g1)}
.sol--flag .sol-more{color:var(--g1)}
.sol--flag:hover{border-color:rgba(156,201,93,.5)}

@media(max-width:900px){ .sol-grid{grid-template-columns:1fr} }

/* ---------- 动效可达性兜底 ---------- */
@media (prefers-reduced-motion:reduce){
  .rv{transition:none!important;opacity:1!important;transform:none!important}
  .ticker-in{animation:none!important}
  .hero-bg{transform:none!important}
}
@media(max-width:380px){
  .hero h1{font-size:30px}
  .hero h1 .nl{white-space:normal}
}

/* ---------- 联络区二维码 ---------- */
.ct--qr{padding-bottom:24px}
.qr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.qr-grid figure{margin:0;text-align:center}
.qr-grid img{width:100%;height:auto;aspect-ratio:1;border-radius:10px;background:#fff;padding:5px;display:block}
.qr-grid figcaption{margin-top:8px;font-size:12px;font-weight:600;color:#DCEAE0;line-height:1.55}
.qr-grid figcaption small{display:block;font-size:11px;color:#A8C0B2;font-weight:500}

/* ---------- 章节媒体窗口（数据可视化素材，窗口样式置于章节右上角） ---------- */
.sec-head--split{display:flex;align-items:flex-start;justify-content:space-between;gap:48px}
.sec-head--split .sec-head-text{flex:1;min-width:0}
.media-win{
  flex:none;width:min(372px,36%);margin:14px 0 0;
  border-radius:14px;overflow:hidden;
  background:#fff;border:1px solid #DCE5D6;
  box-shadow:0 22px 54px -22px rgba(10,30,20,.38),0 3px 12px rgba(10,30,20,.10);
}
.media-win-bar{display:flex;align-items:center;gap:6px;padding:9px 12px;background:#EDF2EA;border-bottom:1px solid #DCE5D6}
.media-win-bar i{width:9px;height:9px;border-radius:50%;flex:none}
.media-win-bar i:nth-child(1){background:#E0655F}
.media-win-bar i:nth-child(2){background:#E5B94E}
.media-win-bar i:nth-child(3){background:#4FB56A}
.media-win-bar em{
  font-style:normal;font-size:11.5px;letter-spacing:.02em;color:#5E7568;margin-left:6px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.media-win video,.media-win img{width:100%;height:auto;aspect-ratio:21/10;object-fit:cover;display:block}
/* 深底章节（#insight）的窗口：深色窗框，与底色融为一体 */
.media-win--dark{background:#0C1D15;border-color:#1C382A;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.66),0 3px 14px rgba(0,0,0,.4)}
.media-win--dark .media-win-bar{background:#0A1A12;border-bottom-color:#1C382A}
.media-win--dark .media-win-bar em{color:#A8C0B2}
@media(max-width:960px){
  .sec-head--split{flex-direction:column;gap:28px}
  .media-win{width:100%;max-width:460px;margin-top:4px}
}