/* ============================================================
   至强软件 · 海外矩阵协议获客系统 — 全站共享样式
   设计系统：深色科技商务风 / 主色 #F59E0B / 毛玻璃 / 渐变光效
   ============================================================ */
:root{
  --bg:#100E0B;
  --bg-2:#1A1712;
  --bg-3:#241F17;
  --accent:#F59E0B;
  --accent-2:#D97706;
  --accent-soft:rgba(245,158,11,.15);
  --text:#e8f1fb;
  --text-dim:#8ba3bd;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.04);
  --radius:18px;
  --maxw:1200px;
  --pc:#F59E0B; /* 产品主题色（产品页按平台覆盖） */
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  line-height:1.6;
  position:relative;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
ul{list-style:none}
::selection{background:var(--accent);color:var(--bg)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== 全局扫描线叠加层 ===== */
body::after{
  content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(245,158,11,.015) 2px,rgba(245,158,11,.015) 4px);
  mix-blend-mode:overlay;
}

/* ===== 鼠标跟随光晕 ===== */
.cursor-glow{
  position:fixed;top:0;left:0;width:420px;height:420px;
  border-radius:50%;pointer-events:none;z-index:1;
  background:radial-gradient(circle,rgba(245,158,11,.10),transparent 65%);
  transform:translate(-50%,-50%);transition:opacity .3s;
  mix-blend-mode:screen;
}

/* ===== 导航（毛玻璃） ===== */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(16,14,11,.55);
  border-bottom:1px solid transparent;
  transition:border-color .3s,background .3s;
}
header.scrolled{border-color:var(--line);background:rgba(16,14,11,.88)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px;font-size:19px;flex-shrink:0}
.logo .mark{
  width:30px;height:30px;border-radius:8px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),#D97706);
  display:grid;place-items:center;color:var(--bg);font-weight:900;font-size:15px;
  box-shadow:0 0 18px var(--accent-soft);
}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:26px;font-size:14.5px;color:var(--text-dim);align-items:center}
.nav-links>a,.nav-drop>.drop-btn{position:relative;transition:color .2s;padding:6px 0;cursor:pointer;display:inline-flex;align-items:center;gap:4px;font-size:14.5px;color:var(--text-dim);background:none;border:none;font-family:inherit}
.nav-links>a:hover,.nav-links>a.active,.nav-drop:hover>.drop-btn{color:var(--text)}
.nav-links>a.active{color:var(--accent)}
.nav-drop{position:relative}
.drop-btn .arr{font-size:10px;transition:transform .25s}
.nav-drop:hover .drop-btn .arr{transform:rotate(180deg)}
/* 产品矩阵超级菜单 */
.mega{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%,8px);
  width:640px;padding:22px;border-radius:16px;
  background:rgba(26,23,18,.97);border:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 30px 60px rgba(0,0,0,.5);
  display:grid;grid-template-columns:repeat(2,1fr);gap:4px;
  opacity:0;visibility:hidden;transition:.25s;z-index:60;
}
.nav-drop:hover .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;
  font-size:13.5px;color:var(--text-dim);transition:.2s;
}
.mega a:hover{background:rgba(245,158,11,.08);color:var(--text)}
.mega a .mm{
  width:28px;height:28px;border-radius:8px;flex-shrink:0;
  display:grid;place-items:center;font-size:11px;font-weight:800;
  color:var(--mmc,#F59E0B);
  background:color-mix(in srgb,var(--mmc,#F59E0B) 14%,transparent);
  border:1px solid color-mix(in srgb,var(--mmc,#F59E0B) 35%,transparent);
}
.nav-cta{
  padding:9px 20px;border-radius:30px;font-size:14px;font-weight:600;flex-shrink:0;
  border:1px solid var(--accent);color:var(--accent);
  transition:.25s;
}
.nav-cta:hover{background:var(--accent);color:var(--bg);box-shadow:0 0 22px var(--accent-soft)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:var(--glass);border:1px solid var(--line);border-radius:10px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:20px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* 移动端抽屉 */
.drawer{
  position:fixed;top:68px;left:0;right:0;bottom:0;z-index:49;
  background:rgba(16,14,11,.98);backdrop-filter:blur(16px);
  padding:10px 24px 40px;overflow-y:auto;
  transform:translateX(-105%);transition:transform .35s ease;
  display:none;
}
.drawer.open{transform:translateX(0)}
.drawer>a,.drawer .drawer-sub-btn{
  display:flex;justify-content:space-between;align-items:center;width:100%;
  padding:15px 4px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);background:none;border-top:none;border-left:none;border-right:none;cursor:pointer;font-family:inherit;text-align:left;
}
.drawer .drawer-sub{display:none;padding:6px 0 6px 14px;border-bottom:1px solid var(--line)}
.drawer .drawer-sub.open{display:block}
.drawer .drawer-sub a{display:block;padding:10px 4px;font-size:14px;color:var(--text-dim)}
.drawer .drawer-sub a:hover{color:var(--accent)}
.drawer-cta{display:block;text-align:center;margin-top:22px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:32px;font-weight:600;font-size:15px;
  cursor:pointer;border:none;transition:.3s;position:relative;overflow:hidden;
  font-family:inherit;
}
.btn-primary{
  background:linear-gradient(120deg,var(--accent),#D97706);
  color:#100E0B;box-shadow:0 8px 30px rgba(245,158,11,.35),
  0 0 0 1px rgba(245,158,11,.3) inset;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(245,158,11,.5),0 0 20px rgba(245,158,11,.2)}
.btn-ghost{
  background:rgba(255,255,255,.04);color:var(--text);
  border:1px solid var(--line);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}

/* ===== 首页 Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding:120px 0 80px}
.particles-canvas{position:absolute;inset:0;z-index:0}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(800px 500px at 70% 30%,rgba(245,158,11,.12),transparent 70%),
    radial-gradient(700px 400px at 20% 80%,rgba(217,119,6,.10),transparent 70%);
}
.hero-grid{
  position:absolute;inset:0;z-index:0;opacity:.4;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 80%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 80%);
}
.data-streams{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.ds-line{
  position:absolute;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:0;animation:dsFlow 4s linear infinite;
}
@keyframes dsFlow{0%{transform:translateX(-100%);opacity:0}10%{opacity:.5}90%{opacity:.5}100%{transform:translateX(200vw);opacity:0}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:30px;font-size:13px;color:var(--accent);
  background:var(--accent-soft);border:1px solid rgba(245,158,11,.3);
  margin-bottom:26px;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{
  font-size:clamp(36px,5.6vw,64px);line-height:1.12;font-weight:850;letter-spacing:-1px;
  margin-bottom:22px;text-shadow:0 0 40px rgba(245,158,11,.12);
}
.grad{
  background:linear-gradient(100deg,#fff 10%,var(--accent) 55%,#FCD34D 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{font-size:clamp(15.5px,1.8vw,19px);color:var(--text-dim);max-width:600px;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
/* Hero 右侧平台星座图 */
.hero-orbit{position:relative;height:520px;display:block}
.orbit-core{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:120px;height:120px;border-radius:50%;z-index:3;
  display:grid;place-items:center;
  background:radial-gradient(circle at 30% 25%,#453311,#1A1712 65%);
  border:1.5px solid rgba(245,158,11,.4);
  box-shadow:0 0 40px rgba(245,158,11,.25),inset 0 0 24px rgba(245,158,11,.12);
  font-size:40px;font-weight:900;color:var(--accent);
}
.orbit-ring{position:absolute;left:50%;top:50%;border-radius:50%;border:1px dashed rgba(245,158,11,.18);transform:translate(-50%,-50%)}
.orbit-ring.r1{width:250px;height:250px;animation:orbitSpin 26s linear infinite}
.orbit-ring.r2{width:400px;height:400px;animation:orbitSpin 44s linear infinite reverse}
.orbit-ring.r3{width:520px;height:520px;border-color:rgba(245,158,11,.1);animation:orbitSpin 70s linear infinite}
@keyframes orbitSpin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.orbit-chip{
  position:absolute;z-index:4;
  display:flex;align-items:center;gap:7px;
  padding:7px 13px 7px 8px;border-radius:30px;
  background:rgba(26,23,18,.9);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-dim);white-space:nowrap;
  box-shadow:0 8px 24px rgba(0,0,0,.35);
  animation:chipFloat 5s ease-in-out infinite;
}
.orbit-chip .mm{
  width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  font-size:10.5px;font-weight:800;color:var(--mmc);
  background:color-mix(in srgb,var(--mmc) 16%,transparent);
  border:1px solid color-mix(in srgb,var(--mmc) 40%,transparent);
}
@keyframes chipFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ===== 板块基础 ===== */
section{position:relative;z-index:2;padding:100px 0}
.sec-deco{position:absolute;top:30px;left:24px;right:24px;display:flex;justify-content:space-between;pointer-events:none}
.corner{width:20px;height:20px;border-color:rgba(245,158,11,.25);border-style:solid;border-width:0}
.corner.tl{border-top-width:2px;border-left-width:2px}
.corner.tr{border-top-width:2px;border-right-width:2px}
.circuit-bg{
  position:absolute;inset:0;z-index:0;opacity:.04;pointer-events:none;
  background-image:
    linear-gradient(90deg,transparent 49%,var(--accent) 49%,var(--accent) 51%,transparent 51%),
    linear-gradient(0deg,transparent 49%,var(--accent) 49%,var(--accent) 51%,transparent 51%);
  background-size:80px 80px;
  mask-image:radial-gradient(circle at center,#000,transparent 85%);
  -webkit-mask-image:radial-gradient(circle at center,#000,transparent 85%);
}
.sec-head{text-align:center;max-width:720px;margin:0 auto 60px;position:relative;z-index:2}
.sec-tag{color:var(--accent);font-size:14px;font-weight:700;letter-spacing:2px;text-transform:uppercase}
.sec-head h2{font-size:clamp(28px,4vw,44px);font-weight:800;margin:14px 0 16px;letter-spacing:-.5px}
.sec-head p{color:var(--text-dim);font-size:16.5px}
.sec-head.left{text-align:left;margin-left:0}

/* ===== 核心数据带 ===== */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  padding:44px 48px;border-radius:24px;
  background:linear-gradient(120deg,rgba(245,158,11,.07),rgba(217,119,6,.03));
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.stat-cell{text-align:center;position:relative}
.stat-cell+.stat-cell::before{content:"";position:absolute;left:-13px;top:15%;bottom:15%;width:1px;background:var(--line)}
.stat-cell .num{font-size:clamp(30px,3.6vw,44px);font-weight:850;color:#fff;line-height:1.1}
.stat-cell .num b{color:var(--accent);font-weight:850}
.stat-cell .lbl{font-size:13.5px;color:var(--text-dim);margin-top:8px}

/* ===== 通用卡片（优势/功能） ===== */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  position:relative;padding:34px 30px;border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:transform .4s cubic-bezier(.2,.7,.3,1),border-color .4s,box-shadow .4s;
  opacity:0;transform:translateY(40px);
}
.card.in{opacity:1;transform:translateY(0)}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  transform:scaleX(0);transition:transform .5s;transform-origin:center;
}
.card:hover{transform:translateY(-10px);border-color:rgba(245,158,11,.4);box-shadow:0 20px 50px rgba(0,0,0,.45),0 0 30px rgba(245,158,11,.08)}
.card:hover::before{transform:scaleX(1)}
.card .ic{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(245,158,11,.18),rgba(245,158,11,.04));
  border:1px solid rgba(245,158,11,.25);margin-bottom:22px;
  font-size:26px;transition:transform .4s;
}
.card:hover .ic{transform:rotate(-8deg) scale(1.08)}
.card h3{font-size:19px;margin-bottom:12px;font-weight:700}
.card p{color:var(--text-dim);font-size:14.5px}
.card .glow{
  position:absolute;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,158,11,.18),transparent 70%);
  top:var(--my,-50%);left:var(--mx,-50%);transform:translate(-50%,-50%);
  opacity:0;transition:opacity .4s;pointer-events:none;
}
.card:hover .glow{opacity:1}

/* ===== 产品矩阵 ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.p-card{
  position:relative;padding:26px 22px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(10px);overflow:hidden;
  transition:transform .35s,border-color .35s,box-shadow .35s;
  display:flex;flex-direction:column;gap:12px;
  opacity:0;transform:translateY(40px);
}
.p-card.in{opacity:1;transform:translateY(0)}
.p-card:hover{transform:translateY(-8px);border-color:color-mix(in srgb,var(--pc) 45%,transparent);box-shadow:0 18px 44px rgba(0,0,0,.4),0 0 26px color-mix(in srgb,var(--pc) 12%,transparent)}
.p-card .p-top{display:flex;align-items:center;gap:12px}
.p-card .mm{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-size:15px;font-weight:800;
  color:var(--pc);
  background:color-mix(in srgb,var(--pc) 15%,transparent);
  border:1px solid color-mix(in srgb,var(--pc) 38%,transparent);
  transition:transform .35s;
}
.p-card:hover .mm{transform:scale(1.1) rotate(-6deg)}
.p-card .p-name{font-size:15.5px;font-weight:700;line-height:1.35}
.p-card .p-en{font-size:11.5px;color:var(--text-dim);letter-spacing:.4px;margin-top:2px}
.p-card .p-desc{font-size:13px;color:var(--text-dim);flex:1;line-height:1.6}
.p-card .p-link{font-size:13px;color:var(--pc);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.p-card .p-link::after{content:"→";transition:transform .3s}
.p-card:hover .p-link::after{transform:translateX(4px)}
.p-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--pc),transparent);
  transform:scaleX(0);transition:transform .5s;transform-origin:center;
}
.p-card:hover::after{transform:scaleX(1)}

/* ===== 功能特色（左右分栏行） ===== */
.split-row{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  margin-bottom:80px;
}
.split-row:last-child{margin-bottom:0}
.split-row.rev .split-txt{order:2}
.split-num{
  font-size:64px;font-weight:850;line-height:1;
  background:linear-gradient(120deg,rgba(245,158,11,.5),rgba(217,119,6,.15));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;
}
.split-txt h3{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:14px}
.split-txt p{color:var(--text-dim);font-size:15.5px;margin-bottom:20px}
.check-list li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;font-size:14.5px;color:#cdd9e8}
.check-list .ck{color:var(--accent);font-weight:800;flex-shrink:0}

/* ===== 模拟演示界面（浏览器框） ===== */
.mock-browser{
  border-radius:16px;overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:0 30px 70px rgba(0,0,0,.5);
  opacity:0;transform:translateY(40px);transition:.8s;
}
.mock-browser.in{opacity:1;transform:translateY(0)}
.mb-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line)}
.mb-bar .d{width:11px;height:11px;border-radius:50%}
.mb-bar .d:nth-child(1){background:#ff5f57}.mb-bar .d:nth-child(2){background:#febc2e}.mb-bar .d:nth-child(3){background:#28c840}
.mb-bar .url{
  flex:1;margin-left:10px;padding:5px 14px;border-radius:8px;
  background:rgba(0,0,0,.3);font-size:12px;color:var(--text-dim);
  display:flex;align-items:center;gap:6px;
}
.mb-bar .url .lock{color:var(--pc)}
.mb-body{display:grid;grid-template-columns:150px 1fr;min-height:300px}
.mb-side{border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;gap:8px}
.mb-side .mi{padding:8px 10px;border-radius:8px;font-size:12px;color:var(--text-dim);display:flex;gap:8px;align-items:center}
.mb-side .mi.on{background:color-mix(in srgb,var(--pc) 14%,transparent);color:var(--pc)}
.mb-side .mi i{width:8px;height:8px;border-radius:2px;background:currentColor;opacity:.6;font-style:normal}
.mb-main{padding:18px;display:flex;flex-direction:column;gap:12px}
.mb-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mb-kpi{padding:12px;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
.mb-kpi .k{font-size:10.5px;color:var(--text-dim)}
.mb-kpi .v{font-size:17px;font-weight:800;color:var(--pc)}
.mb-rows{display:flex;flex-direction:column;gap:8px}
.mb-row{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;background:rgba(255,255,255,.02);border:1px solid var(--line);font-size:12px;color:var(--text-dim)}
.mb-row .avt{width:26px;height:26px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,var(--pc),var(--accent-2));opacity:.75}
.mb-row .bar{height:6px;border-radius:3px;background:rgba(255,255,255,.08);flex:1;overflow:hidden}
.mb-row .bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--pc),var(--accent-2));width:var(--w,60%);animation:barGrow 1.6s ease-out}
@keyframes barGrow{from{width:0}}
.mb-row .st{padding:2px 9px;border-radius:12px;font-size:10.5px;background:color-mix(in srgb,var(--pc) 14%,transparent);color:var(--pc);flex-shrink:0}

/* ===== 行业方案 ===== */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sol-card{
  position:relative;padding:30px 26px;border-radius:var(--radius);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px);
  transition:transform .35s,border-color .35s,box-shadow .35s;
  opacity:0;transform:translateY(40px);
}
.sol-card.in{opacity:1;transform:translateY(0)}
.sol-card:hover{transform:translateY(-8px);border-color:rgba(245,158,11,.4);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.sol-card .sol-ic{
  width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:24px;
  background:linear-gradient(135deg,rgba(245,158,11,.16),rgba(217,119,6,.06));
  border:1px solid rgba(245,158,11,.22);margin-bottom:18px;
}
.sol-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.sol-card p{font-size:14px;color:var(--text-dim);margin-bottom:14px}
.sol-card .sol-tags{display:flex;flex-wrap:wrap;gap:7px}
.sol-card .sol-tags span{font-size:11.5px;padding:3px 10px;border-radius:14px;background:rgba(245,158,11,.08);color:var(--accent);border:1px solid rgba(245,158,11,.18)}

/* ===== 客户案例 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{
  padding:30px 26px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px);
  transition:transform .35s,border-color .35s;
  opacity:0;transform:translateY(40px);
  display:flex;flex-direction:column;gap:14px;
}
.case-card.in{opacity:1;transform:translateY(0)}
.case-card:hover{transform:translateY(-8px);border-color:rgba(245,158,11,.35)}
.case-card .case-ind{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:1px;padding:4px 12px;background:var(--accent-soft);border-radius:14px;align-self:flex-start}
.case-card .case-metric{font-size:38px;font-weight:850;color:#fff;line-height:1.05}
.case-card .case-metric small{font-size:14px;color:var(--accent);font-weight:700;display:block;margin-top:4px}
.case-card p{font-size:14px;color:var(--text-dim);flex:1}
.case-card .case-plats{display:flex;gap:7px;flex-wrap:wrap}
.case-card .case-plats span{font-size:11px;padding:3px 9px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-dim)}

/* ===== 价格套餐 ===== */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:stretch}
.plan{
  border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;
  background:var(--glass);backdrop-filter:blur(10px);position:relative;
  display:flex;flex-direction:column;
  opacity:0;transform:translateY(40px);transition:.7s;
}
.plan.in{opacity:1;transform:translateY(0)}
.plan.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 24px 60px rgba(245,158,11,.12)}
.plan .ribbon{
  position:absolute;top:16px;right:16px;font-size:11px;font-weight:700;letter-spacing:1px;
  background:var(--accent);color:var(--bg);padding:5px 12px;border-radius:20px;
}
.plan .tier{font-size:14px;color:var(--accent);font-weight:700;letter-spacing:1px}
.plan .price{font-size:40px;font-weight:850;margin:12px 0 4px;color:#fff}
.plan .price small{font-size:15px;color:var(--text-dim);font-weight:500}
.plan .desc{font-size:13.5px;color:var(--text-dim);margin-bottom:22px;min-height:40px}
.plan ul{flex:1;margin-bottom:26px}
.plan li{padding:8px 0;font-size:13.5px;color:#cdd9e8;display:flex;align-items:flex-start;gap:9px}
.plan li .ck{color:var(--accent);font-weight:800;flex-shrink:0}
.plan li.off{color:#5a6b80}
.plan .btn{width:100%;padding:12px 20px}

/* ===== 会员套餐 · 酷炫动态板块 ===== */
.vip-sec{position:relative;overflow:hidden;padding-top:0}
.vip-aurora{position:absolute;inset:0;z-index:0;pointer-events:none;filter:blur(60px);opacity:.55}
.va-blob{position:absolute;border-radius:50%;mix-blend-mode:screen;animation:vaFloat 14s ease-in-out infinite}
.va-blob.b1{width:440px;height:440px;left:-90px;top:30px;background:radial-gradient(circle,#F59E0B,transparent 70%)}
.va-blob.b2{width:400px;height:400px;right:-70px;top:-50px;background:radial-gradient(circle,#D97706,transparent 70%);animation-delay:-5s}
.va-blob.b3{width:520px;height:520px;left:38%;bottom:-180px;background:radial-gradient(circle,#FCD34D,transparent 70%);animation-delay:-9s}
@keyframes vaFloat{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(44px,-30px) scale(1.12)}66%{transform:translate(-30px,24px) scale(.94)}}
.vip-particles{position:absolute;inset:0;z-index:0;opacity:.5}

.vip-switch{display:flex;justify-content:center;align-items:center;gap:14px;margin:8px 0 36px;flex-wrap:wrap}
.vs-label{font-size:12px;font-weight:800;letter-spacing:2px;color:var(--bg);background:var(--accent);padding:5px 14px;border-radius:20px;animation:pulse 2s infinite}
.vs-flag{font-size:14px;color:var(--accent);font-weight:700}

.vip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;position:relative;z-index:2}
.vip-card{
  position:relative;border:1px solid var(--line);border-radius:20px;padding:34px 28px;
  background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  display:flex;flex-direction:column;overflow:hidden;
  transition:transform .4s ease,box-shadow .4s ease,border-color .4s ease;
}
.vip-card::after{content:"";position:absolute;inset:0;border-radius:20px;padding:1px;background:linear-gradient(135deg,transparent,rgba(245,158,11,.35),transparent);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.vip-card:hover{transform:translateY(-10px);border-color:rgba(245,158,11,.5);box-shadow:0 26px 64px rgba(245,158,11,.2)}
.vip-card:hover::after{opacity:1}

.vip-card.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 26px 64px rgba(245,158,11,.22)}
.vip-ring{position:absolute;inset:-2px;border-radius:22px;padding:2px;background:conic-gradient(from 0deg,#F59E0B,#FCD34D,#D97706,#F59E0B);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:vipSpin 6s linear infinite;opacity:.7}
@keyframes vipSpin{to{transform:rotate(360deg)}}
.vip-badge{position:absolute;top:18px;right:18px;z-index:3;font-size:12px;font-weight:800;color:var(--bg);background:linear-gradient(135deg,#F59E0B,#FCD34D);padding:6px 14px;border-radius:20px;box-shadow:0 6px 18px rgba(245,158,11,.45);animation:vipPulse 1.8s ease-in-out infinite}
@keyframes vipPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}

.vip-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.vip-tier{font-size:20px;font-weight:850;color:#fff}
.vip-tag{font-size:11.5px;font-weight:700;color:var(--accent);background:var(--accent-soft);border:1px solid rgba(245,158,11,.25);padding:4px 11px;border-radius:14px;white-space:nowrap}
.vip-tag.hot{background:rgba(245,158,11,.22)}
.vip-price{display:flex;align-items:baseline;gap:2px;margin:4px 0 6px;font-weight:900;color:#fff}
.vip-price .cur{font-size:24px;font-weight:800;color:var(--accent)}
.vip-price b{font-size:52px;line-height:1;letter-spacing:-1px}
.vip-price small{font-size:16px;color:var(--text-dim);font-weight:600;margin-left:4px}
.vip-price.grad b{background:linear-gradient(100deg,#fff,#FCD34D 40%,#F59E0B 70%,#FCD34D);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 3s linear infinite}
@keyframes shimmer{to{background-position:200% center}}
.vip-desc{font-size:13.5px;color:var(--text-dim);min-height:42px;margin-bottom:18px}
.vip-list{flex:1;margin:0 0 24px;padding:0;list-style:none}
.vip-list li{padding:9px 0;font-size:13.5px;color:#cdd9e8;display:flex;align-items:flex-start;gap:9px;border-bottom:1px dashed rgba(255,255,255,.06)}
.vip-list li:last-child{border-bottom:none}
.vip-list li b{color:#fff}
.vip-list .ck{color:var(--accent);font-weight:800;flex-shrink:0}
.vip-btn{width:100%;padding:13px 20px;font-weight:800}
.vip-note{position:relative;z-index:2;text-align:center;margin-top:30px;font-size:13px;color:var(--text-dim)}
.vip-note a{color:var(--accent)}
@media(max-width:880px){
  .vip-grid{grid-template-columns:1fr;gap:20px}
  .vip-price b{font-size:44px}
  .vip-sec{padding-left:4px;padding-right:4px}
}

/* ===== 客户评价 ===== */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  background:var(--glass);backdrop-filter:blur(10px);
  opacity:0;transform:translateY(40px);transition:.7s;
}
.quote.in{opacity:1;transform:translateY(0)}
.quote .stars{color:var(--accent);letter-spacing:2px;margin-bottom:14px;font-size:15px}
.quote p{font-size:14.5px;color:#cdd9e8;margin-bottom:20px}
.who{display:flex;align-items:center;gap:13px}
.who .av{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#D97706);display:grid;place-items:center;font-weight:800;color:var(--bg);flex-shrink:0}
.who .nm{font-weight:700;font-size:15px}
.who .rl{font-size:13px;color:var(--text-dim)}

/* ===== 合作伙伴 ===== */
.partner-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.partner-chip{
  display:flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);
  font-size:15px;font-weight:700;color:var(--text-dim);
  transition:.3s;opacity:0;transform:translateY(30px);
}
.partner-chip.in{opacity:1;transform:translateY(0)}
.partner-chip:hover{border-color:rgba(245,158,11,.35);color:var(--text);transform:translateY(-4px)}
.partner-chip .pt-ic{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent-soft)}

/* ===== 新闻资讯 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  border-radius:var(--radius);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px);
  transition:transform .35s,border-color .35s;
  opacity:0;transform:translateY(40px);
  display:flex;flex-direction:column;
}
.news-card.in{opacity:1;transform:translateY(0)}
.news-card:hover{transform:translateY(-8px);border-color:rgba(245,158,11,.35)}
.news-cover{
  height:150px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--bg-3),var(--bg-2));
  display:grid;place-items:center;
}
.news-cover::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(300px 150px at 70% 30%,rgba(245,158,11,.14),transparent 70%),
    linear-gradient(90deg,var(--line) 1px,transparent 1px),
    linear-gradient(0deg,var(--line) 1px,transparent 1px);
  background-size:auto,40px 40px,40px 40px;
}
.news-cover .nc-ic{font-size:42px;position:relative;z-index:1;filter:drop-shadow(0 0 14px rgba(245,158,11,.35))}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--text-dim)}
.news-meta .cat{color:var(--accent);padding:2px 10px;border-radius:12px;background:var(--accent-soft)}
.news-card h3{font-size:16.5px;font-weight:700;line-height:1.5;flex:1}
.news-card:hover h3{color:var(--accent)}
.news-card p{font-size:13.5px;color:var(--text-dim)}

/* ===== 咨询表单 ===== */
.contact-box{
  display:grid;grid-template-columns:1fr 1.1fr;gap:0;border-radius:24px;overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(245,158,11,.07),rgba(26,23,18,.6) 55%);
  backdrop-filter:blur(12px);
}
.contact-info{padding:52px 46px;display:flex;flex-direction:column;justify-content:center;gap:18px}
.contact-info h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.contact-info p{color:var(--text-dim);font-size:15px}
.contact-lines{display:flex;flex-direction:column;gap:13px;margin-top:8px}
.contact-lines li{display:flex;align-items:center;gap:12px;font-size:14.5px;color:#cdd9e8}
.contact-lines .ci-ic{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:17px;flex-shrink:0;
  background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.25);
}
.contact-form{padding:52px 46px;background:rgba(16,14,11,.45);border-left:1px solid var(--line)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.form-row .form-field{margin-bottom:0}
.form-field label{font-size:13px;color:var(--text-dim);font-weight:600}
.form-field input,.form-field select,.form-field textarea{
  padding:13px 16px;border-radius:12px;font-size:14.5px;font-family:inherit;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  outline:none;transition:border-color .25s,box-shadow .25s;width:100%;
  appearance:none;-webkit-appearance:none;
}
.form-field select{background-image:linear-gradient(45deg,transparent 50%,var(--text-dim) 50%),linear-gradient(135deg,var(--text-dim) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.form-field select option{background:var(--bg-2);color:var(--text)}
.form-field textarea{resize:vertical;min-height:96px}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(245,158,11,.12);
}
.form-field.err input,.form-field.err textarea{border-color:#ff5f57;box-shadow:0 0 0 3px rgba(255,95,87,.12)}
.form-field .f-tip{font-size:12px;color:#ff5f57;display:none}
.form-field.err .f-tip{display:block}
.form-ok{
  display:none;align-items:center;gap:10px;margin-top:16px;padding:13px 18px;border-radius:12px;
  background:rgba(40,200,64,.1);border:1px solid rgba(40,200,64,.3);color:#4ade80;font-size:14px;
}
.form-ok.show{display:flex;animation:okIn .4s ease}
@keyframes okIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ===== CTA 横条 ===== */
.cta-strip{
  border:1px solid var(--line);border-radius:24px;
  background:linear-gradient(120deg,rgba(245,158,11,.08),rgba(217,119,6,.04));
  padding:56px;text-align:center;position:relative;overflow:hidden;
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(500px 200px at 50% 0%,rgba(245,158,11,.12),transparent 70%);
}
.cta-strip h2{font-size:clamp(24px,3.6vw,38px);font-weight:800;margin-bottom:14px;position:relative}
.cta-strip p{color:var(--text-dim);margin-bottom:28px;font-size:16px;position:relative}
.cta-strip .hero-actions{justify-content:center;position:relative}

/* ===== 页脚 ===== */
footer{border-top:1px solid var(--line);padding:64px 0 34px;position:relative;z-index:2;background:rgba(16,14,11,.6)}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:36px}
.foot .logo{margin-bottom:16px}
.foot .f-desc{color:var(--text-dim);font-size:13.5px;max-width:280px;line-height:1.7}
.foot h5{font-size:14px;margin-bottom:16px;color:#fff;font-weight:700}
.foot ul li{margin-bottom:9px}
.foot ul li a{color:var(--text-dim);font-size:13.5px;transition:color .2s}
.foot ul li a:hover{color:var(--accent)}
.foot .f-contact li{display:flex;gap:9px;color:var(--text-dim);font-size:13.5px;margin-bottom:11px;align-items:flex-start;line-height:1.5}
.foot-bot{margin-top:46px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--text-dim);font-size:12.5px}

/* ===== 悬浮客服 & 回顶部 ===== */
.float-bar{
  position:fixed;right:22px;bottom:90px;z-index:80;
  display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  width:48px;height:48px;border-radius:14px;cursor:pointer;
  display:grid;place-items:center;font-size:20px;
  background:rgba(26,23,18,.92);border:1px solid var(--line);
  backdrop-filter:blur(10px);color:var(--text-dim);
  transition:.3s;position:relative;
}
.float-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.4)}
.float-btn .fb-tip{
  position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);
  padding:7px 13px;border-radius:9px;white-space:nowrap;font-size:12.5px;
  background:rgba(26,23,18,.97);border:1px solid var(--line);color:var(--text);
  opacity:0;visibility:hidden;transition:.25s;pointer-events:none;
}
.float-btn:hover .fb-tip{opacity:1;visibility:visible}
.float-btn.cs-main{
  background:linear-gradient(135deg,var(--accent),#D97706);color:#100E0B;border:none;
  animation:csPulse 2.4s ease-in-out infinite;
}
.float-btn.cs-main:hover{color:#100E0B}
@keyframes csPulse{0%,100%{box-shadow:0 0 0 0 rgba(245,158,11,.4)}50%{box-shadow:0 0 0 12px rgba(245,158,11,0)}}
#toTop{opacity:0;visibility:hidden;transition:.3s}
#toTop.show{opacity:1;visibility:visible}

/* ===== 咨询弹窗 ===== */
.modal-mask{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;
  background:rgba(8,6,3,.7);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:.3s;
}
.modal-mask.open{opacity:1;visibility:visible}
.modal{
  width:min(480px,100%);max-height:88vh;overflow-y:auto;border-radius:22px;
  background:var(--bg-2);border:1px solid rgba(245,158,11,.25);
  box-shadow:0 40px 90px rgba(0,0,0,.6),0 0 40px rgba(245,158,11,.1);
  transform:translateY(24px) scale(.97);transition:.35s cubic-bezier(.2,.7,.3,1.2);
  padding:36px 34px;position:relative;
}
.modal-mask.open .modal{transform:translateY(0) scale(1)}
.modal .m-close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-dim);
  cursor:pointer;font-size:16px;display:grid;place-items:center;transition:.25s;
}
.modal .m-close:hover{color:#ff5f57;border-color:#ff5f57}
.modal h3{font-size:22px;font-weight:800;margin-bottom:6px}
.modal .m-sub{font-size:13.5px;color:var(--text-dim);margin-bottom:22px}

/* ===== 产品页 Hero ===== */
.p-hero{position:relative;padding:150px 0 90px;overflow:hidden}
.p-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(760px 460px at 75% 25%,color-mix(in srgb,var(--pc) 12%,transparent),transparent 70%),
    radial-gradient(640px 400px at 15% 85%,rgba(217,119,6,.08),transparent 70%);
}
.p-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);margin-bottom:24px;flex-wrap:wrap}
.crumb a{color:var(--text-dim);transition:color .2s}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--accent)}
.p-badge{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;
  padding:7px 16px;border-radius:30px;font-size:13px;
  color:var(--pc);background:color-mix(in srgb,var(--pc) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--pc) 32%,transparent);
}
.p-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--pc);box-shadow:0 0 10px var(--pc);animation:pulse 1.8s infinite}
.p-hero h1{font-size:clamp(32px,4.6vw,54px);line-height:1.14;font-weight:850;letter-spacing:-.5px;margin-bottom:18px}
.p-hero .p-grad{
  background:linear-gradient(100deg,#fff 5%,var(--pc) 60%,#FCD34D 110%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.p-hero p.lead{font-size:clamp(15px,1.7vw,18px);color:var(--text-dim);max-width:580px;margin-bottom:32px}
.p-hero-stats{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap}
.p-hero-stats .s .num{font-size:28px;font-weight:800;color:#fff}
.p-hero-stats .s .num b{color:var(--pc)}
.p-hero-stats .s .lbl{font-size:12.5px;color:var(--text-dim)}
/* 产品徽标（右侧） */
.p-emblem{position:relative;width:min(300px,60vw);height:min(300px,60vw);margin:0 auto;display:grid;place-items:center}
.p-emblem .pe-halo{position:absolute;inset:-24px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--pc) 26%,transparent),transparent 70%);animation:tgGlow 3s ease-in-out infinite}
.p-emblem .pe-ring{position:absolute;inset:0;border-radius:50%;border:1.5px solid color-mix(in srgb,var(--pc) 38%,transparent);animation:tgPulse 3.4s ease-out infinite}
.p-emblem .pe-ring.r2{animation-delay:1.1s;border-color:color-mix(in srgb,var(--pc) 20%,transparent)}
.p-emblem .pe-dash{position:absolute;inset:-10px;border-radius:50%;border:1.5px dashed color-mix(in srgb,var(--pc) 45%,transparent);animation:tgSpin 10s linear infinite}
.p-emblem .pe-core{
  position:relative;z-index:3;width:56%;height:56%;border-radius:26%;
  display:grid;place-items:center;font-size:clamp(38px,5vw,52px);font-weight:900;
  color:var(--pc);
  background:linear-gradient(145deg,color-mix(in srgb,var(--pc) 20%,var(--bg-2)),var(--bg-2) 70%);
  border:1.5px solid color-mix(in srgb,var(--pc) 45%,transparent);
  box-shadow:0 0 30px color-mix(in srgb,var(--pc) 30%,transparent),inset 0 0 20px color-mix(in srgb,var(--pc) 12%,transparent);
  animation:tgFloat 4s ease-in-out infinite;
}
@keyframes tgFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes tgPulse{0%{transform:scale(.82);opacity:.9}100%{transform:scale(1.2);opacity:0}}
@keyframes tgSpin{to{transform:rotate(360deg)}}
@keyframes tgGlow{0%,100%{opacity:.5;transform:scale(.95)}50%{opacity:1;transform:scale(1.08)}}

/* ===== 功能拆解（步骤流） ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;padding:30px 24px 26px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px);
  transition:transform .35s,border-color .35s;
  opacity:0;transform:translateY(40px);
}
.step.in{opacity:1;transform:translateY(0)}
.step:hover{transform:translateY(-8px);border-color:color-mix(in srgb,var(--pc) 40%,transparent)}
.step .step-no{
  font-size:13px;font-weight:800;color:var(--pc);letter-spacing:1.5px;
  display:inline-block;padding:4px 12px;border-radius:16px;margin-bottom:16px;
  background:color-mix(in srgb,var(--pc) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--pc) 30%,transparent);
}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:10px}
.step p{font-size:13.5px;color:var(--text-dim)}
.step .step-arr{position:absolute;top:50%;right:-19px;z-index:2;color:color-mix(in srgb,var(--pc) 55%,transparent);font-size:18px;transform:translateY(-50%)}
.step:last-child .step-arr{display:none}

/* ===== 截图画廊（TG真实截图） ===== */
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.shot{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(8px);
  opacity:0;transform:translateY(35px);transition:.7s;
}
.shot.in{opacity:1;transform:translateY(0)}
.shot:hover{border-color:rgba(245,158,11,.35);box-shadow:0 20px 50px rgba(0,0,0,.4);transform:translateY(-6px)}
.shot img{width:100%;display:block;transition:transform .5s}
.shot:hover img{transform:scale(1.03)}
.shot video{width:100%;display:block}
.shot-cap{padding:18px 20px 20px}
.shot-cap h4{font-size:16px;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.shot-cap h4 .tag{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;background:var(--accent-soft);color:var(--accent)}
.shot-cap p{font-size:13.5px;color:var(--text-dim);line-height:1.65}

/* ===== 视频演示 ===== */
.video-demo{
  border-radius:24px;overflow:hidden;
  border:1px solid var(--line);
  background:#000;box-shadow:0 40px 80px rgba(0,0,0,.55);
  position:relative;
  opacity:0;transform:translateY(40px);transition:.8s;
}
.video-demo.in{opacity:1;transform:translateY(0)}
.video-demo video{width:100%;display:block;height:auto;max-height:520px;object-fit:cover}
.video-demo .v-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;background:rgba(16,14,11,.45);
  backdrop-filter:blur(4px);cursor:pointer;transition:.4s;border:none;width:100%;
}
.video-demo.playing .v-overlay{opacity:0;pointer-events:none}
.v-play-btn{
  width:72px;height:72px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#D97706);
  display:grid;place-items:center;box-shadow:0 0 36px rgba(245,158,11,.4);
  transition:transform .3s;
}
.v-play-btn:hover{transform:scale(1.12)}
.v-play-btn::after{content:"";border-left:22px solid #100E0B;border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:5px}
.v-label{margin-top:16px;font-size:15px;color:#cdd9e8}

/* ===== FAQ 手风琴 ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq{
  border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;
  background:var(--glass);backdrop-filter:blur(8px);
  opacity:0;transform:translateY(30px);transition:border-color .3s;
}
.faq.in{opacity:1;transform:translateY(0);transition:border-color .3s,opacity .7s,transform .7s}
.faq.open{border-color:rgba(245,158,11,.35)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:15.5px;font-weight:700;color:var(--text);font-family:inherit;
}
.faq-q .fq-ic{
  width:26px;height:26px;border-radius:8px;flex-shrink:0;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);font-size:15px;transition:transform .3s;
}
.faq.open .fq-ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 24px 22px;font-size:14px;color:var(--text-dim);line-height:1.75}

/* ===== 相关产品 ===== */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rel-card{
  display:flex;align-items:center;gap:12px;padding:18px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);transition:.3s;
}
.rel-card:hover{border-color:color-mix(in srgb,var(--rc) 45%,transparent);transform:translateY(-4px)}
.rel-card .mm{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--rc);
  background:color-mix(in srgb,var(--rc) 14%,transparent);
  border:1px solid color-mix(in srgb,var(--rc) 36%,transparent);
}
.rel-card .rn{font-size:14px;font-weight:700}
.rel-card .re{font-size:11px;color:var(--text-dim)}

/* ===== 滚动入场 ===== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s,transform .8s}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media(max-width:1080px){
  .matrix-grid{grid-template-columns:repeat(3,1fr)}
  .plans{grid-template-columns:repeat(2,1fr)}
  .plan .desc{min-height:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step .step-arr{display:none}
  .foot{grid-template-columns:1.4fr 1fr 1fr;row-gap:44px}
}
@media(max-width:880px){
  .features,.sol-grid,.case-grid,.quotes,.news-grid{grid-template-columns:1fr 1fr}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner,.p-hero-inner{grid-template-columns:1fr}
  .hero-orbit{display:none}
  .p-emblem{width:min(230px,56vw);height:min(230px,56vw)}
  .split-row,.split-row.rev{grid-template-columns:1fr;gap:30px}
  .split-row.rev .split-txt{order:0}
  .contact-box{grid-template-columns:1fr}
  .contact-form{border-left:none;border-top:1px solid var(--line)}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:34px 26px;row-gap:34px}
  .stat-cell:nth-child(3)::before{display:none}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:840px){
  .nav-links,.nav .nav-cta{display:none}
  .nav-toggle{display:flex}
  .drawer{display:block}
}
@media(max-width:600px){
  section{padding:76px 0}
  .hero{padding-top:110px}
  .hero-actions{flex-direction:column;align-items:stretch;gap:14px}
  .hero-actions .btn{justify-content:center}
  .features,.sol-grid,.case-grid,.quotes,.news-grid,.gallery-grid,.steps,.form-row{grid-template-columns:1fr}
  .cta-strip{padding:40px 24px}
  .contact-info,.contact-form{padding:36px 26px}
  .foot{grid-template-columns:1fr 1fr}
  .mb-body{grid-template-columns:1fr}
  .mb-side{flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--line);padding:10px}
  .mb-side .mi{white-space:nowrap}
  .float-bar{right:14px;bottom:76px}
  .p-hero{padding:130px 0 70px}
  .p-hero-stats{gap:20px}
}
@media(max-width:420px){
  .wrap{padding:0 16px}
  .matrix-grid,.rel-grid{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .foot-bot{flex-direction:column}
  .stats-band{grid-template-columns:1fr 1fr;padding:28px 18px}
}
/* ===== 资讯文章页 ===== */
.article-body{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:44px 46px;backdrop-filter:blur(8px)}
.article-lead{font-size:18px;color:var(--text);font-weight:600;line-height:1.7;padding-bottom:22px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.article-body h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;margin:30px 0 12px;color:#fff;position:relative;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--accent),var(--accent-2))}
.article-body p{color:var(--text-dim);font-size:15.5px;line-height:1.9;margin:12px 0}
.article-cta{margin-top:36px;padding:30px 32px;border-radius:16px;background:linear-gradient(120deg,rgba(245,158,11,.1),rgba(217,119,6,.06));border:1px solid var(--accent-soft);text-align:center}
.article-cta h3{font-size:20px;font-weight:800;color:#fff;margin-bottom:8px}
.article-cta p{color:var(--text-dim);margin-bottom:20px}
@media(max-width:600px){.article-body{padding:30px 22px}.article-lead{font-size:16px}}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}