:root{
  --brand:#19ad57;
  --brand-2:#2fd483;
  --brand-dark:#0f8a44;
  --brand-ink:#12232b;
  --ink:#1d2b33;
  --muted:#5c6c75;
  --faint:#8ba09a;
  --line:#e3ece7;
  --bg:#f4f8f5;
  --card:#ffffff;
  --cta:#ff5704;
  --shadow-sm:0 6px 20px -10px rgba(18,45,35,.18);
  --shadow:0 24px 60px -24px rgba(18,45,35,.28);
  --shadow-lg:0 40px 90px -30px rgba(18,45,35,.35);
  --radius:20px;
  --maxw:1200px;
  --grad-brand:linear-gradient(120deg,var(--brand-dark),var(--brand) 55%,var(--brand-2));
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:96px 0}
.grain::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:radial-gradient(rgba(18,45,35,.04) 1px,transparent 1px);background-size:22px 22px}

/* ===== 顶部导航 ===== */
.nav{position:sticky;top:0;z-index:60;background:rgba(244,248,245,.78);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-bottom:1px solid rgba(18,45,35,.06)}
.nav-inner{display:flex;align-items:center;gap:42px;height:70px}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:21px;color:var(--brand-ink);letter-spacing:-.3px}
.logo-badge{width:36px;height:36px;border-radius:11px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:900;box-shadow:0 6px 16px -6px rgba(25,173,87,.6)}
.nav-links{display:flex;gap:28px;flex:1;font-size:15px;font-weight:600;color:var(--ink)}
.nav-links a{padding:6px 2px;position:relative;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--brand-dark)}
.nav-links a.on{color:var(--brand-dark)}
.nav-links a.on::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--brand);border-radius:2px}
.nav-cta{background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;padding:11px 24px;border-radius:999px;transition:transform .2s,box-shadow .2s,filter .2s;white-space:nowrap}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 26px -8px rgba(25,173,87,.6);filter:brightness(1.03)}
.burger{display:none;cursor:pointer;width:42px;height:42px;place-items:center;border-radius:11px;border:1px solid var(--line);background:#fff}
.burger span{display:block;width:18px;height:2px;background:var(--ink);margin:3px auto;border-radius:2px}

/* ===== Hero ===== */
.hero{padding:104px 0 84px;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1;pointer-events:none}
.hero-bg .grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(25,173,87,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(25,173,87,.05) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(700px 500px at 20% 0%,#000 0%,transparent 70%)}
.hero-bg .blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.hero-bg .b1{width:520px;height:520px;background:radial-gradient(circle at 30% 30%,rgba(25,173,87,.4),transparent 65%);top:-160px;left:-120px}
.hero-bg .b2{width:440px;height:440px;background:radial-gradient(circle at 60% 40%,rgba(255,87,4,.25),transparent 65%);top:80px;right:-140px}
.hero-bg .b3{width:380px;height:380px;background:radial-gradient(circle at 50% 50%,rgba(47,128,237,.16),transparent 65%);bottom:-160px;left:30%}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center;position:relative}
.kicker{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;font-weight:700;color:var(--brand-dark);box-shadow:var(--shadow-sm);margin-bottom:24px}
.kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(25,173,87,.16);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(25,173,87,.16)}50%{box-shadow:0 0 0 7px rgba(25,173,87,.06)}}
.hero h1{font-size:clamp(38px,5vw,60px);line-height:1.08;font-weight:900;letter-spacing:-1px;color:var(--brand-ink)}
.hero h1 .grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:18px;color:var(--muted);margin:26px 0 36px;max-width:520px}
.hero .sub b{color:var(--ink)}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:16px;padding:16px 32px;border-radius:14px;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s}
.btn svg{width:17px;height:17px;transition:transform .25s var(--ease)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 18px 34px -12px rgba(25,173,87,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 44px -14px rgba(25,173,87,.7)}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.hero-meta{display:flex;gap:16px;align-items:center;margin-top:38px;flex-wrap:wrap}
.hm-item{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted)}
.hm-item .chk{width:20px;height:20px;border-radius:50%;background:rgba(25,173,87,.12);color:var(--brand-dark);display:grid;place-items:center;font-size:12px;font-weight:800}

/* Hero 右侧 控制台 */
.hero-visual{position:relative}
.console-wrap{position:relative;perspective:1200px}
.console-card{background:var(--card);border:1px solid rgba(18,45,35,.08);border-radius:24px;box-shadow:var(--shadow-lg);padding:26px;position:relative;z-index:2;transform:rotateY(-3deg) rotateX(1deg)}
.cc-top{display:flex;align-items:center;gap:11px;border-bottom:1px solid var(--line);padding-bottom:16px}
.cc-dots{display:flex;gap:6px}
.cc-dots i{width:11px;height:11px;border-radius:50%}
.cc-dots i:nth-child(1){background:#ff5f57}.cc-dots i:nth-child(2){background:#febc2e}.cc-dots i:nth-child(3){background:#28c840}
.cc-title{font-size:14px;font-weight:800;color:var(--ink);flex:1;text-align:center}
.cc-sel{font-size:11.5px;font-weight:700;color:var(--brand-dark);background:rgba(25,173,87,.1);padding:4px 10px;border-radius:999px}
.cc-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.cc-kpi{border-radius:14px;padding:14px;background:var(--bg);border:1px solid var(--line)}
.cc-kpi span{font-size:11.5px;color:var(--faint);display:block}
.cc-kpi b{font-size:20px;font-weight:900;color:var(--brand-ink)}
.cc-kpi b small{font-size:12px;color:var(--brand);font-weight:800}
.cc-kpi .up{font-size:11px;color:var(--brand-dark);font-weight:700;display:block;margin-top:2px}
.cc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.cc-item{border-radius:15px;padding:16px 14px;background:var(--bg);border:1px solid var(--line);transition:transform .25s var(--ease),box-shadow .25s;cursor:default}
.cc-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cc-item .ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;font-size:19px;color:#fff;margin-bottom:11px}
.cc-item b{font-size:14.5px;color:var(--brand-ink);display:block;margin-bottom:3px}
.cc-item span{font-size:12px;color:var(--muted)}
.ic.g{background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.ic.o{background:linear-gradient(135deg,#ff5704,#ff8a3d)}
.ic.b{background:linear-gradient(135deg,#2f80ed,#6aa7ff)}
.ic.p{background:linear-gradient(135deg,#623ceb,#9a7bff)}
.cc-foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:12px;color:var(--faint)}
.cc-foot .spark{color:var(--brand-dark);font-weight:700}
.float-chip{position:absolute;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:13px 17px;z-index:3;display:flex;align-items:center;gap:12px;animation:float 5s ease-in-out infinite}
.float-chip .tag{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:16px;color:#fff}
.float-chip b{font-size:13.5px;color:var(--brand-ink);display:block;line-height:1.3}
.float-chip span{font-size:11.5px;color:var(--muted)}
.fc1{top:-20px;right:-6px}
.fc2{bottom:-22px;left:-14px;animation-delay:1.4s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ===== 商户信任条 ===== */
.trust{background:#fff;border-block:1px solid var(--line);padding:26px 0}
.trust-inner{display:flex;align-items:center;gap:44px;justify-content:space-between;flex-wrap:wrap}
.trust-label{font-size:13px;font-weight:800;color:var(--faint);letter-spacing:1px;white-space:nowrap}
.trust-list{display:flex;gap:36px;flex-wrap:wrap;align-items:center}
.trust-item{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px;color:var(--brand-ink)}
.trust-item .av{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:14px;color:#fff;font-weight:900}

/* ===== 板块头 ===== */
.sec-head{max-width:660px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:800;letter-spacing:1.5px;color:var(--brand-dark);background:rgba(25,173,87,.1);padding:7px 15px;border-radius:999px;margin-bottom:18px}
.sec-head .tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.sec-head h2{font-size:clamp(30px,3.6vw,42px);font-weight:900;color:var(--brand-ink);line-height:1.15;letter-spacing:-.5px}
.sec-head h2 .grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{font-size:17px;color:var(--muted);margin-top:18px}

/* ===== 运营四步 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.steps::before{content:"";position:absolute;top:30px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,var(--brand),rgba(25,173,87,.1));z-index:0}
.step{position:relative;z-index:1;text-align:center;padding:0 6px}
.step-num{width:60px;height:60px;margin:0 auto 20px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);display:grid;place-items:center;font-size:24px;color:var(--brand-dark);font-weight:900}
.step h3{font-size:18px;font-weight:800;color:var(--brand-ink);margin-bottom:10px}
.step p{font-size:14px;color:var(--muted);line-height:1.7}

/* ===== Bento 能力矩阵 ===== */
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(190px,auto);gap:22px}
.bcell{border-radius:var(--radius);padding:30px;background:var(--card);border:1px solid var(--line);position:relative;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;display:flex;flex-direction:column}
.bcell:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(25,173,87,.3)}
.bcell::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);opacity:0;transition:opacity .3s}
.bcell:hover::before{opacity:1}
.bcell .ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;font-size:23px;color:#fff;margin-bottom:18px}
.bcell h3{font-size:19px;font-weight:800;color:var(--brand-ink);margin-bottom:10px}
.bcell p{font-size:14px;color:var(--muted);line-height:1.7;flex:1}
.bcell .mini{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.bcell .mini span{font-size:12px;font-weight:600;color:var(--brand-dark);background:rgba(25,173,87,.08);padding:5px 11px;border-radius:999px}
.bcell.wide{grid-column:span 2}
.bento.is-4{grid-template-columns:repeat(4,1fr)}
.bcell .more{margin-top:14px;font-size:14px;font-weight:800;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.bcell.tall{grid-row:span 2}
.bcell.dark{background:var(--brand-ink);border-color:transparent}
.bcell.dark h3{color:#fff}.bcell.dark p{color:#a9bfb4}
.bcell.dark .mini span{background:rgba(255,255,255,.08);color:#cfe8db}

/* ===== 分销结构可视化 ===== */
.dist{background:linear-gradient(160deg,#fff,var(--bg));border-radius:28px;border:1px solid var(--line);padding:46px;box-shadow:var(--shadow-sm)}
.dist-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start}
.dist-level{text-align:center}
.dist-level .tier{font-size:12px;font-weight:800;letter-spacing:1px;color:var(--brand-dark);margin-bottom:16px}
.dist-node{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow-sm);position:relative}
.dist-node.solo{margin-bottom:22px;background:var(--grad-brand);border-color:transparent;color:#fff}
.dist-node.solo b{color:#fff}
.dist-node.solo .pct{color:rgba(255,255,255,.85)}
.dist-node b{font-size:14px;color:var(--brand-ink);display:block}
.dist-node .pct{font-size:11.5px;color:var(--brand-dark);font-weight:700}
.dist-sub{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.dist-sub .n{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px;font-size:12.5px;color:var(--muted)}
.dist-sub .n b{color:var(--ink);font-size:12.5px}
.dist-legend{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.dist-legend span b{color:var(--brand-dark)}

/* ===== 交易结算闭环 ===== */
.loop{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}
.loop-flow{display:flex;flex-direction:column;gap:14px}
.loop-step{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),border-color .25s}
.loop-step:hover{transform:translateX(6px);border-color:rgba(25,173,87,.35)}
.loop-step .s-ic{width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;font-size:20px;color:#fff}
.loop-step .s-ic.o{background:linear-gradient(135deg,#ff5704,#ff8a3d)}
.loop-step .s-ic.g{background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.loop-step .s-ic.b{background:linear-gradient(135deg,#2f80ed,#6aa7ff)}
.loop-step .s-ic.p{background:linear-gradient(135deg,#623ceb,#9a7bff)}
.loop-step .s-body{flex:1}
.loop-step .s-body b{font-size:15px;color:var(--brand-ink);display:block}
.loop-step .s-body span{font-size:13px;color:var(--muted)}
.loop-step .s-arrow{font-size:18px;color:var(--brand)}
.loop-aside{background:var(--brand-ink);border-radius:24px;padding:36px;color:#eaf4ee}
.loop-aside h3{font-size:22px;font-weight:900;color:#fff;margin-bottom:14px}
.loop-aside p{font-size:14.5px;color:#a9bfb4;margin-bottom:22px}
.loop-note{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.06);border-radius:14px;padding:14px 16px;margin-top:12px;font-size:13px;color:#cfe8db}
.loop-note .n-ic{font-size:16px}
.loop-aside .btn{background:#fff;color:var(--brand-dark);padding:13px 26px;margin-top:8px}
.loop-aside .btn:hover{background:#f0faf3}

/* ===== 数据背书 ===== */
.data-strip{background:var(--grad-brand);border-radius:28px;color:#fff;position:relative;overflow:hidden}
.data-strip::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 400px at 85% 0%,rgba(255,255,255,.16),transparent 60%)}
.data-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:52px 0;text-align:center;position:relative;z-index:1}
.d-item b{font-size:34px;font-weight:900;display:block;line-height:1.1}
.d-item span{display:block;font-size:13.5px;opacity:.9;margin-top:8px}

/* ===== 商户案例 ===== */
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{display:flex;gap:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .3s var(--ease),box-shadow .3s}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case-av{width:60px;height:60px;flex:none;border-radius:17px;display:grid;place-items:center;font-size:26px;color:#fff;font-weight:900}
.case-body h3{font-size:18px;font-weight:800;color:var(--brand-ink);margin-bottom:5px}
.case-body .role{font-size:12.5px;font-weight:700;color:var(--brand-dark);margin-bottom:10px}
.case-body>p{font-size:14px;color:var(--muted);margin-bottom:16px}
.case-metrics{display:flex;gap:22px}
.case-metrics div b{font-size:18px;font-weight:900;color:var(--brand-ink);display:block}
.case-metrics div span{font-size:11.5px;color:var(--faint)}

/* ===== FAQ ===== */
.faq{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:rgba(25,173,87,.35);box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:700;color:var(--brand-ink);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q{color:var(--brand);font-weight:900;margin-right:6px}
.faq-item summary .tgl{width:28px;height:28px;flex:none;border-radius:50%;background:var(--bg);color:var(--brand-dark);display:grid;place-items:center;font-size:16px;transition:transform .3s var(--ease)}
.faq-item[open] summary .tgl{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-item .ans{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ===== CTA ===== */
.cta-band{background:var(--brand-ink);color:#fff;border-radius:28px;padding:76px 0;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(520px 340px at 80% 0%,rgba(25,173,87,.4),transparent 60%),radial-gradient(420px 300px at 10% 100%,rgba(255,87,4,.2),transparent 60%)}
.cta-band .wrap{position:relative;z-index:1}
.cta-band h2{font-size:clamp(30px,3.6vw,44px);font-weight:900;letter-spacing:-.5px}
.cta-band h2 .grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta-band p{font-size:17px;color:#b8ccbf;margin:18px 0 34px}
.cta-band .btn-primary{background:#fff;color:var(--brand-dark);box-shadow:0 20px 40px -14px rgba(0,0,0,.4)}
.cta-band .btn-primary:hover{background:#f0faf3}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.2);color:#eaf4ee;background:rgba(255,255,255,.04)}
.cta-band .btn-ghost:hover{border-color:var(--brand);color:#fff}
.cta-mini{display:flex;gap:26px;justify-content:center;margin-top:26px;flex-wrap:wrap;font-size:13px;color:#9fb3a8}
.cta-mini span{display:flex;align-items:center;gap:7px}
.cta-mini .chk{color:var(--brand-2)}

/* ===== 微信客服悬浮 ===== */
.wx-fab{position:fixed;right:26px;bottom:30px;z-index:80;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#19ad57,#2fd483);color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px -10px rgba(25,173,87,.6);cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s;border:none;font-size:26px}
.wx-fab:hover{transform:translateY(-3px) scale(1.05)}
.wx-fab .ping{position:absolute;inset:0;border-radius:50%;border:2px solid rgba(25,173,87,.5);animation:wxping 1.8s infinite}
@keyframes wxping{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.7);opacity:0}}
.wx-pop{position:fixed;left:-9999px;top:-9999px;z-index:81;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:20px;width:300px;transition:opacity .25s var(--ease),transform .25s var(--ease)}
.wx-pop.hide{opacity:0;transform:scale(.9) translateY(8px);pointer-events:none}
.wx-pop h4{font-size:15px;font-weight:800;color:var(--brand-ink);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.wx-pop h4 .ic{width:26px;height:26px;border-radius:8px;background:var(--grad-brand);display:grid;place-items:center;font-size:14px}
.wx-pop>p{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.wx-qr{margin-bottom:14px;text-align:center}
.wx-qr img{width:100%;max-width:200px;border-radius:12px;border:1px solid var(--line);margin:0 auto}
.wx-id{position:relative;display:flex;align-items:center;gap:10px;background:var(--bg);border:1px dashed var(--line);border-radius:12px;padding:11px 13px}
.wx-id b{font-size:16px;color:var(--brand-dark);letter-spacing:.3px}
.wx-copy{margin-left:auto;background:var(--grad-brand);color:#fff;border:none;font-size:12px;font-weight:700;padding:7px 14px;border-radius:9px;cursor:pointer;transition:filter .2s}
.wx-copy:hover{filter:brightness(1.06)}
.wx-tip{position:absolute;top:0;right:0;transform:translateY(-110%);background:var(--brand-ink);color:#fff;font-size:11.5px;padding:5px 12px;border-radius:999px;opacity:0;transition:opacity .25s;white-space:nowrap;pointer-events:none}
.wx-tip.show{opacity:1}
.wx-hint{margin-top:12px;font-size:11.5px;color:var(--faint);line-height:1.7}

/* ===== 页脚 ===== */
footer{background:var(--brand-ink);color:#9db2a7;padding:60px 0 36px;margin-top:96px}
.foot-inner{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr 1fr;gap:36px}
.foot-brand .logo{color:#fff;margin-bottom:16px}
.foot-brand p{font-size:13.5px;line-height:1.8;max-width:300px}
.foot-col h4{color:#fff;font-size:14.5px;font-weight:800;margin-bottom:18px}
.foot-col a{display:block;font-size:13.5px;padding:6px 0;transition:color .2s;color:#9db2a7}
.foot-col a:hover{color:var(--brand-2)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:42px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#7fa093}

/* ===== 滚动显现 ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:60px}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px}.steps::before{display:none}
  .bento{grid-template-columns:1fr 1fr}.bcell.wide{grid-column:span 1}.bento.is-4{grid-template-columns:1fr 1fr}
  .dist-cols{grid-template-columns:repeat(2,1fr);gap:24px}
  .loop{grid-template-columns:1fr}
  .data-inner{grid-template-columns:repeat(2,1fr);gap:34px}
  .cases{grid-template-columns:1fr}
  .foot-inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:680px){
  .nav-links{display:none}
  .burger{display:grid}
  .bento{grid-template-columns:1fr}.bento.is-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .dist-cols{grid-template-columns:1fr}
  .data-inner{grid-template-columns:1fr 1fr}
  section{padding:64px 0}
  .hero{padding:72px 0 56px}
}