:root{
  --red:#e1251b;--red-d:#b3120b;--org:#ff6a00;
  --ink:#16181d;--gray:#6b7280;--gray2:#9aa1ac;
  --line:#ececf0;--bg:#f5f6f8;--card:#fff;
  --sh:0 2px 8px rgba(20,24,40,.06);--sh2:0 10px 30px rgba(20,24,40,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font:15px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
ul{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== 顶部导航 ===== */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd-in{max-width:1180px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;letter-spacing:.2px;flex:none;min-width:0}
.logo-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--red),var(--org));color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;box-shadow:0 3px 10px rgba(225,37,27,.3);flex:none}
.logo-mark svg{display:block}
.logo-txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo-sub{font-size:12px;font-weight:500;color:var(--gray2);letter-spacing:.5px;white-space:nowrap}
.hd nav{display:flex;gap:22px;font-size:14.5px;color:#454b57;flex:1}
.hd nav a{position:relative;padding:4px 0}
.hd nav a:hover{color:var(--red)}
.hd nav a.on{color:var(--red);font-weight:600}
.hd nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:-21px;height:2px;background:var(--red)}
.hd-act{display:flex;gap:10px;flex:none}
.btn-hd{padding:8px 15px;border-radius:9px;font-size:13.5px;font-weight:600;background:var(--bg);color:#3b4150;border:1px solid var(--line)}
.btn-hd:hover{background:#eceef2}
.btn-hd.pri{background:linear-gradient(135deg,var(--red),var(--org));color:#fff;border:0;box-shadow:0 4px 12px rgba(225,37,27,.28)}
.btn-hd.pri:hover{filter:brightness(1.05)}

/* ===== 首屏 ===== */
.hero{background:linear-gradient(135deg,#e1251b 0%,#f04a1d 45%,#ff7a1a 100%);color:#fff;padding:52px 0 46px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.10)}
.hero::after{content:"";position:absolute;left:-80px;bottom:-160px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.07)}
.hero-in{max-width:1180px;margin:0 auto;padding:0 20px;position:relative;z-index:2;text-align:center}
.hero h1{font-size:34px;line-height:1.35;font-weight:800;letter-spacing:.3px}
.hero h1 em{font-style:normal;background:linear-gradient(180deg,#fff,#ffe0c9);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.92)}
.hero .sub b{color:#fff8e6}
.search{max-width:520px;margin:24px auto 0;position:relative}
.search input{width:100%;height:50px;border:0;border-radius:12px;padding:0 52px 0 20px;font-size:15px;outline:0;box-shadow:0 8px 24px rgba(120,20,0,.22);color:var(--ink)}
.search input::placeholder{color:#a6acb8}
.search .s-ic{position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:17px;opacity:.55}
.stats{display:flex;justify-content:center;gap:14px;margin-top:22px;flex-wrap:wrap}
.stats span{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.26);padding:7px 15px;border-radius:999px;font-size:13px}
.stats b{font-size:15px;font-weight:800}

/* ===== 通用区块 ===== */
.sec{padding:46px 0}
.sec-hd{text-align:center;margin-bottom:28px}
.pill{display:inline-block;padding:4px 13px;border-radius:999px;background:#fdeceb;color:var(--red);font-size:12.5px;font-weight:600;letter-spacing:.5px}
.sec-hd h2{font-size:25px;font-weight:800;margin-top:12px;letter-spacing:.2px}
.sec-hd p{margin-top:9px;color:var(--gray);font-size:14.5px}

/* ===== 筛选 ===== */
.filters{display:flex;justify-content:center;gap:10px;margin-bottom:26px;flex-wrap:wrap}
.f{padding:8px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#4a505c;font-size:14px;cursor:pointer;font-weight:500;transition:.18s}
.f:hover{border-color:#f6c3bf;color:var(--red)}
.f.on{background:linear-gradient(135deg,var(--red),var(--org));color:#fff;border-color:transparent;box-shadow:0 5px 14px rgba(225,37,27,.26)}

/* ===== 平台卡片 ===== */
.plat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.plat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--sh);transition:.22s;position:relative;overflow:hidden;display:flex;flex-direction:column}
.plat::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--red),var(--org))}
.plat:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#f7cfcb}
.p-top{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.p-logo{width:52px;height:52px;border-radius:13px;object-fit:cover;border:1px solid var(--line);background:#fff;flex:none}
.p-title{min-width:0}
.p-title h3{font-size:18px;font-weight:800;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag{display:inline-block;margin-top:5px;padding:2px 9px;border-radius:6px;font-size:11.5px;font-weight:600}
.tag.card{background:#eef4ff;color:#2563eb}
.tag.wifi{background:#eefbf3;color:#0f9d58}
.tag.self{background:#fff1e8;color:#e1251b;border:1px solid #ffd9c2}
.p-code{display:flex;align-items:center;gap:11px;background:linear-gradient(90deg,#fff5f4,#fff9f5);border:1px dashed #f8c8c3;border-radius:11px;padding:10px 14px;cursor:pointer;transition:.18s;user-select:none}
.p-code:hover{background:linear-gradient(90deg,#ffedeb,#fff3ea);border-color:#f19a92}
.p-code .lab{font-size:12.5px;color:#a2595a;flex:none}
.p-code .num{font:800 21px/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--red);letter-spacing:2px;flex:1}
.p-code .cp{font-size:12px;color:#fff;background:var(--red);border-radius:6px;padding:3px 9px;flex:none;opacity:.9}
.p-desc{margin-top:13px;color:#4d5462;font-size:14px;line-height:1.72}
.p-feat{margin-top:11px;display:flex;flex-direction:column;gap:6px}
.p-feat li{position:relative;padding-left:19px;font-size:13.3px;color:#606875;line-height:1.6}
.p-feat li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,var(--red),var(--org));opacity:.78}
.p-btns{margin-top:auto;padding-top:17px;display:grid;grid-template-columns:1fr 1fr;gap:9px}
.b{display:flex;align-items:center;justify-content:center;height:39px;border-radius:9px;font-size:13.8px;font-weight:600;background:#f5f6f8;color:#3c4250;border:1px solid var(--line);transition:.18s}
.b:hover{background:#eceef2;color:var(--ink)}
.b.pri{grid-column:1/-1;background:linear-gradient(135deg,var(--red),var(--org));color:#fff;border:0;box-shadow:0 5px 14px rgba(225,37,27,.24);height:42px;font-size:14.5px}
.b.pri:hover{filter:brightness(1.06)}
.empty{display:none;text-align:center;color:var(--gray2);padding:40px 0;font-size:14.5px}
.plat-note{margin-top:22px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--org);border-radius:10px;padding:14px 17px;font-size:13px;color:#6c7380;line-height:1.75}

/* ===== 使用指南 ===== */
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.guide{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 20px;box-shadow:var(--sh);position:relative}
.guide .gn{position:absolute;right:18px;top:12px;font:800 34px/1 ui-monospace,Menlo,Consolas,monospace;color:#f4f5f7}
.guide h4{font-size:16px;font-weight:800;margin-bottom:8px;position:relative}
.guide h4 span{display:inline-flex;width:24px;height:24px;border-radius:7px;background:linear-gradient(135deg,var(--red),var(--org));color:#fff;font-size:13px;align-items:center;justify-content:center;margin-right:8px;vertical-align:1px}
.guide p{color:var(--gray);font-size:13.8px;line-height:1.75}

/* ===== FAQ ===== */
.faq{max-width:860px;margin:0 auto}
.qa{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:11px;overflow:hidden}
.qa>div.q{padding:15px 20px;font-weight:600;font-size:14.7px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px}
.qa>div.q:hover{color:var(--red)}
.qa .ar{flex:none;transition:.22s;color:var(--gray2);font-size:13px}
.qa.open .ar{transform:rotate(180deg);color:var(--red)}
.qa .a{display:none;padding:14px 20px 17px;color:var(--gray);font-size:13.9px;line-height:1.8;border-top:1px dashed var(--line)}
.qa.open .a{display:block}

/* ===== 页脚 ===== */
.ft{background:#1d2027;color:#a9b0bd;margin-top:20px;padding:36px 0 26px;font-size:13.5px}
.ft-in{max-width:1180px;margin:0 auto;padding:0 20px;text-align:center}
.ft .brand{font-weight:700;color:#fff;font-size:15px;margin-bottom:14px}
.ft-nav{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-bottom:15px}
.ft-nav a:hover{color:#fff}
.ft .beian{color:#8d95a3}
.ft .beian:hover{color:#fff}

/* ===== 悬浮 & 提示 ===== */
.side{position:fixed;right:16px;bottom:78px;z-index:60;display:flex;flex-direction:column;gap:9px}
.side a{width:48px;height:48px;border-radius:12px;background:#fff;box-shadow:var(--sh2);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10.5px;color:#5a616e;gap:1px;transition:.18s}
.side a:hover{color:var(--red);transform:translateY(-2px)}
.side .e{font-size:16px}
.toast{position:fixed;left:50%;bottom:96px;transform:translate(-50%,14px);background:rgba(24,26,32,.94);color:#fff;padding:11px 22px;border-radius:10px;font-size:13.8px;opacity:0;pointer-events:none;transition:.26s;z-index:99}
.toast.on{opacity:1;transform:translate(-50%,0)}


/* ===== 集客仓自营项目 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:15px}
.entry{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--sh);position:relative;overflow:hidden;transition:.2s}
.entry::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--red),var(--org))}
.entry:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:#f7cfcb}
.e-ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex:none}
.e-ic.c1{background:#fdeceb}.e-ic.c2{background:#eef4ff}.e-ic.c3{background:#eefbf3}.e-ic.c4{background:#f3eeff}.e-ic.c5{background:#fff5e6}.e-ic.c6{background:#f0f3f8}
.e-tx{min-width:0}
.entry .t{font-weight:800;font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.entry .d{color:var(--gray);font-size:12.8px;margin-top:2px}
.e-go{margin-left:auto;flex:none;font-size:13px;font-weight:600;color:var(--red);opacity:.85}
.banner-sec{padding:0}
.banner-link{display:block;border-radius:16px;overflow:hidden;box-shadow:var(--sh2);border:1px solid var(--line);margin:34px 0}
.banner-link img{width:100%}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:15px}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--sh)}
.step .no{display:inline-flex;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--red),var(--org));color:#fff;font-weight:800;font-size:14px;align-items:center;justify-content:center;margin-bottom:12px}
.step h4{font-size:15.5px;font-weight:800}
.step p{color:var(--gray);font-size:13.3px;margin-top:6px;line-height:1.7}
.step .lnk{display:inline-block;margin-top:10px;color:var(--red);font-weight:600;font-size:13.5px}
.step .lnk:hover{text-decoration:underline}
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.adv{display:flex;gap:13px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--sh)}
.adv .ic{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:21px;flex:none}
.adv .ic.a1{background:#fff5e6}.adv .ic.a2{background:#eef4ff}.adv .ic.a3{background:#eefbf3}.adv .ic.a4{background:#f3eeff}.adv .ic.a5{background:#fdeceb}.adv .ic.a6{background:#fff0f5}
.adv h4{font-size:15px;font-weight:800}
.adv p{color:var(--gray);font-size:13px;margin-top:4px;line-height:1.65}
.svc{display:flex;align-items:center;justify-content:space-between;gap:18px;background:linear-gradient(135deg,var(--red),var(--org));color:#fff;border-radius:16px;padding:26px 28px;box-shadow:0 10px 30px rgba(225,37,27,.25);flex-wrap:wrap}
.svc h3{font-size:19px;font-weight:800}
.svc .d{color:rgba(255,255,255,.9);font-size:13.5px;margin-top:5px}
.svc-tel{font:800 26px/1.25 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;margin-top:8px;letter-spacing:1px}
.svc-r{flex:none}
.btn-svc{padding:11px 20px;border-radius:10px;font-weight:700;font-size:14px;display:inline-block}
.btn-svc.w{background:#fff;color:var(--red)}
.btn-svc.o{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.45);color:#fff;margin-left:10px}
.btn-svc.w:hover{filter:brightness(.96)}

/* ===== 移动端 ===== */
@media(max-width:768px){
  .hd-in{height:56px;gap:12px;padding:0 14px}
  .logo{font-size:15px;flex:0 1 auto}
  .logo-sub{display:none}
  .logo-mark{width:28px;height:28px;font-size:14px}
  .hd nav{display:none}
  .btn-hd{padding:7px 12px;font-size:12.5px}
  .hero{padding:34px 0 32px}
  .hero h1{font-size:23px}
  .hero .sub{font-size:14px;margin-top:10px}
  .search{margin-top:18px}
  .search input{height:46px;font-size:14.5px}
  .stats span{padding:6px 12px;font-size:12px}
  .sec{padding:32px 0}
  .sec-hd h2{font-size:20px}
  .sec-hd p{font-size:13.5px}
  .plat-grid{grid-template-columns:1fr;gap:15px}
  .plat{padding:18px}
  .p-code .num{font-size:19px}
  .side{right:10px;bottom:64px}
  .side a{width:42px;height:42px;font-size:10px}
  .wrap{padding:0 14px}
  .entry{padding:14px}
  .e-ic{width:40px;height:40px;font-size:19px}
  .svc{padding:18px}
  .svc-tel{font-size:22px}
  .btn-svc{padding:10px 14px;font-size:13px}
  .btn-svc.o{margin-left:8px}
  .banner-link{margin:26px 0;border-radius:12px}
}