/* ============================================================
   三保一专利 · 盾蓝 Trust-Blue（参考中细软/顶呱呱风格重构）
   ============================================================ */
:root{
  --blue:#1361c9; --blue-d:#0d4ea6; --blue-l:#3f86ec; --blue-700:#0a3f86;
  --blue-50:#eef5fe; --blue-100:#dbe8fc;
  --cta:#fa541c; --cta-d:#e2431a;          /* 转化橙红 */
  --ink:#15233b; --gray:#5b687c; --gray-l:#93a0b2; --line:#e7edf4;
  --ok:#16a34a; --gold:#f0a83c;
  --bg:#ffffff; --bg2:#f4f8fd;
  --r:8px; --r-sm:4px; --r-pill:999px;
  --sh-sm:0 4px 16px rgba(20,40,80,.06);
  --sh:0 16px 40px -14px rgba(19,97,201,.20);
  --sh-cta:0 12px 26px -8px rgba(250,84,28,.45);
  --sh-blue:0 20px 50px -16px rgba(19,97,201,.38);
  --f-sans:"PingFang SC","Source Han Sans SC","Microsoft YaHei","微软雅黑",Arial,sans-serif;
  --f-num:"Archivo","DIN Alternate",var(--f-sans);
  --maxw:1220px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--f-sans);color:var(--ink);background:var(--bg);font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:.2s}
img{max-width:100%;display:block}
ul{list-style:none}
table{border-collapse:collapse;width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
::selection{background:var(--blue);color:#fff}

/* ---------------- 按钮 ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;
  padding:13px 30px;border-radius:var(--r-sm);border:2px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap}
.btn-cta{background:var(--cta);color:#fff;box-shadow:var(--sh-cta)}
.btn-cta:hover{background:var(--cta-d);transform:translateY(-2px)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 12px 26px -8px rgba(19,97,201,.5)}
.btn-blue:hover{background:var(--blue-d);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--blue);border-color:var(--blue-100)}
.btn-ghost:hover{border-color:var(--blue);background:var(--blue-50)}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-line:hover{background:#fff;color:var(--blue)}
.btn-lg{padding:15px 36px;font-size:16px}
.btn-block{width:100%}

/* ---------------- 区块标题 ---------------- */
.sec{padding:88px 0}
.sec.alt{background:var(--bg2)}
.shead{text-align:center;max-width:760px;margin:0 auto 52px}
.shead .tag{display:inline-block;background:var(--blue-50);color:var(--blue);font-size:13px;font-weight:700;
  letter-spacing:2px;padding:6px 18px;border-radius:var(--r-pill)}
.shead h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;color:var(--ink);margin:16px 0 12px;letter-spacing:.5px}
.shead h2 em{font-style:normal;color:var(--blue)}
.shead p{color:var(--gray);font-size:16px}
.shead.light h2{color:#fff}.shead.light p{color:rgba(255,255,255,.85)}
.shead.light .tag{background:rgba(255,255,255,.15);color:#fff}

/* ---------------- 顶栏 ---------------- */
.topbar{background:#0c2747;color:#9fb6d6;font-size:12.5px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a{color:#9fb6d6;margin-left:18px}.topbar a:hover{color:#fff}

/* ---------------- 头部 ---------------- */
.hd{position:sticky;top:0;z-index:800;background:#fff;transition:box-shadow .25s}
.hd.is-stuck{box-shadow:0 6px 22px rgba(20,40,80,.08)}
.hd-in{display:flex;align-items:center;height:74px;gap:18px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mk{width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,var(--blue-l),var(--blue));
  color:#fff;font-weight:800;font-size:17px;display:grid;place-items:center;box-shadow:0 8px 18px -6px rgba(19,97,201,.6);letter-spacing:-1px}
.logo-img{height:44px;width:auto;max-width:170px;object-fit:contain;display:block}
.logo-tx{display:flex;flex-direction:column;line-height:1.25}
.logo-tx strong{font-size:21px;letter-spacing:2px;color:var(--ink)}
.logo-tx em{font-size:11px;font-style:normal;letter-spacing:2px;color:var(--gray-l)}
.nav{display:flex;flex:1 1 auto;justify-content:center;white-space:nowrap}
.nav a{position:relative;padding:0 17px;line-height:74px;font-size:16px;color:#36435a;font-weight:500}
.nav a:hover{color:var(--blue)}
.nav a.on{color:var(--blue);font-weight:700}
.nav a.on::after{content:"";position:absolute;left:17px;right:17px;bottom:16px;height:3px;border-radius:3px;background:var(--cta)}
.hd-cta{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.hd-tel{text-align:right;line-height:1.2}
.hd-tel i{display:block;font-size:11px;color:var(--gray-l);font-style:normal}
.hd-tel b{font-size:22px;color:var(--cta);font-weight:800;font-family:var(--f-num)}
.navbtn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;margin-left:auto}
.navbtn span{width:24px;height:2px;background:var(--ink)}

/* ---------------- Hero ---------------- */
.hero{position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1200px 600px at 80% -10%,#2f7ae6 0%,transparent 60%),linear-gradient(135deg,#0e4ea6 0%,#1361c9 55%,#1f74de 100%)}
.hero::before{content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:52px 52px;-webkit-mask-image:radial-gradient(900px 500px at 30% 30%,#000,transparent);mask-image:radial-gradient(900px 500px at 30% 30%,#000,transparent)}
.hero::after{content:"";position:absolute;right:-160px;bottom:-200px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(63,134,236,.6),transparent 70%)}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .85fr;gap:48px;align-items:center;padding:68px 24px 96px}
.hero-l .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  padding:7px 16px;border-radius:var(--r-pill);font-size:13.5px;margin-bottom:22px;backdrop-filter:blur(4px)}
.hero-l h1{font-size:clamp(36px,5vw,56px);font-weight:900;line-height:1.1;letter-spacing:1px;margin-bottom:16px;text-shadow:0 6px 30px rgba(0,0,0,.18)}
.hero-l h1 em{font-style:normal;color:#ffd24a}
.hero-l .sub{font-size:clamp(18px,2.2vw,23px);color:#dce9fb;font-weight:500;margin-bottom:26px}
.hero-pts{display:flex;flex-wrap:wrap;gap:12px 22px;margin-bottom:32px}
.hero-pts li{display:flex;align-items:center;gap:9px;font-size:16px;color:#eaf2fd}
.hero-pts li svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:#67e8a0;stroke-width:2.4}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap;color:#bcd2f1;font-size:13.5px}
.hero-trust b{color:#fff;font-family:var(--f-num);font-size:20px;font-weight:800;margin-right:5px}

/* hero 表单卡 */
.hero-form{background:#fff;color:var(--ink);border-radius:18px;padding:28px 26px;box-shadow:0 36px 70px -20px rgba(8,30,66,.55);position:relative}
.hero-form .ribbon{position:absolute;right:20px;top:-13px;background:var(--cta);color:#fff;font-size:12px;font-weight:700;
  padding:6px 16px;border-radius:var(--r-pill);box-shadow:var(--sh-cta)}
.hero-form h3{font-size:22px;font-weight:800;text-align:center}
.hero-form .price{text-align:center;color:var(--gray);font-size:13px;margin:6px 0 18px;padding-bottom:16px;border-bottom:1px dashed var(--line)}
.hero-form .price b{color:var(--cta);font-size:22px;font-weight:800;font-family:var(--f-num)}

/* ---------------- 表单 ---------------- */
.form .fd{margin-bottom:12px;position:relative}
.form input,.form select,.form textarea{width:100%;height:48px;padding:0 15px;border:1.5px solid var(--line);border-radius:var(--r-sm);
  font-size:15px;color:var(--ink);background:#fbfcff;font-family:inherit;transition:.2s}
.form textarea{height:88px;padding:12px 15px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px var(--blue-50)}
.form .btn{width:100%;margin-top:4px}
.form .tip{font-size:12px;color:var(--gray-l);text-align:center;margin-top:10px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form{position:relative}
.form .stamp{display:none}

/* ---------------- 数据条（悬浮） ---------------- */
.stats{position:relative;z-index:5;margin-top:-52px}
.stats-in{background:#fff;border-radius:18px;box-shadow:var(--sh);display:grid;grid-template-columns:repeat(5,1fr);padding:30px 14px}
.stat{text-align:center;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:1px;background:var(--line)}
.stat b{display:block;font-size:38px;font-weight:800;font-family:var(--f-num);color:var(--blue);line-height:1.05}
.stat span{font-size:13.5px;color:var(--gray);margin-top:4px;display:block}

/* ---------------- 产品介绍（图文） ---------------- */
.feat{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.feat-l .tag{display:inline-block;background:var(--blue-50);color:var(--blue);font-size:13px;font-weight:700;letter-spacing:2px;padding:6px 16px;border-radius:var(--r-pill)}
.feat-l h2{font-size:clamp(26px,3.2vw,34px);font-weight:800;margin:16px 0 18px;line-height:1.25}
.feat-l h2 em{font-style:normal;color:var(--blue)}
.feat-l p{color:var(--gray);margin-bottom:14px;font-size:15.5px}
.feat-l b{color:var(--ink)}
.feat-checks{margin:18px 0 24px}
.feat-checks li{display:flex;gap:11px;align-items:flex-start;margin-bottom:12px;color:#33415a}
.feat-checks li svg{width:22px;height:22px;flex:0 0 auto;margin-top:2px;fill:none;stroke:var(--ok);stroke-width:2.4}
.feat-checks li b{color:var(--ink)}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;box-shadow:var(--sh-sm);transition:.25s;position:relative;overflow:hidden}
.metric::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--blue)}
.metric:nth-child(2)::after{background:var(--cta)}.metric:nth-child(3)::after{background:var(--ok)}.metric:nth-child(4)::after{background:var(--gold)}
.metric:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.metric b{display:block;font-size:42px;font-weight:800;font-family:var(--f-num);color:var(--ink);line-height:1}
.metric b em{font-style:normal;font-size:.45em;color:var(--blue)}
.metric span{color:var(--gray);font-size:14px;margin-top:6px;display:block}

/* ---------------- 优势卡片 ---------------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border-radius:var(--r);padding:34px 28px;box-shadow:var(--sh-sm);border:1px solid #eef2f8;transition:.28s;position:relative;top:0}
.card:hover{top:-8px;box-shadow:var(--sh-blue);border-color:transparent}
.card .ico{width:60px;height:60px;border-radius:15px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg,var(--blue-50),var(--blue-100))}
.card .ico svg{width:30px;height:30px;fill:none;stroke:var(--blue);stroke-width:1.8}
.card:hover .ico{background:linear-gradient(135deg,var(--blue-l),var(--blue))}
.card:hover .ico svg{stroke:#fff}
.card .no{position:absolute;right:24px;top:24px;font-family:var(--f-num);font-size:30px;font-weight:800;color:#eef2f8}
.card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.card p{color:var(--gray);font-size:14.5px}

/* ---------------- 对比表 ---------------- */
.cmp{border-radius:16px;overflow:hidden;box-shadow:var(--sh);background:#fff}
.cmp table{width:100%}
.cmp th,.cmp td{padding:18px 22px;text-align:center;border-bottom:1px solid var(--line);font-size:15px}
.cmp thead th{background:#f3f7fc;font-size:16px;font-weight:700;color:var(--ink)}
.cmp thead th.hot{background:linear-gradient(135deg,var(--blue),var(--blue-l));color:#fff;font-size:17px;position:relative}
.cmp tbody td:first-child{background:#fafcff;font-weight:600;text-align:left;width:26%}
.cmp tbody td.old{color:var(--gray-l)}
.cmp tbody td.hot{background:var(--blue-50);font-weight:600}
.cmp tbody td.hot b{color:var(--cta)}
.cmp tbody tr:hover td{background:#eff6ff}
.cmp tbody tr:hover td:first-child{background:#e7f0fc}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp .yes{color:var(--ok);font-weight:800}
.cmp-cta{display:flex;align-items:center;justify-content:center;gap:28px;flex-wrap:wrap;margin-top:34px}
.cmp-cta .price{font-size:17px;color:var(--gray)}
.cmp-cta .price b{color:var(--cta);font-size:30px;font-weight:800;font-family:var(--f-num)}

/* ---------------- 流程 ---------------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:20px 16px}
.flow.f10{grid-template-columns:repeat(5,1fr)}
.fstep{background:#fff;border-radius:var(--r);padding:26px 18px;text-align:center;box-shadow:var(--sh-sm);border:1px solid #eef2f8;position:relative;transition:.25s}
.fstep:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.fstep .n{width:46px;height:46px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--blue-l),var(--blue));
  color:#fff;font-family:var(--f-num);font-weight:800;font-size:18px;display:grid;place-items:center;box-shadow:0 8px 16px -6px rgba(19,97,201,.6)}
.fstep h4{font-size:16px;font-weight:700;margin-bottom:5px}
.fstep p{font-size:13px;color:var(--gray)}
.fstep .meta{font-size:12px;color:var(--blue);margin-top:6px;font-weight:600}
.flow.f5 .fstep:not(:last-child)::after{content:"";position:absolute;right:-16px;top:46px;width:16px;height:2px;background:var(--blue-100);z-index:1}

/* ---------------- 证书 ---------------- */
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cert{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-sm);border:1px solid #eef2f8;transition:.28s}
.cert:hover{transform:translateY(-8px);box-shadow:var(--sh-blue)}
.cert .pic{background:#f3f7fc;height:330px;display:grid;place-items:center;padding:22px;overflow:hidden}
.cert .pic img{max-height:100%;width:auto;box-shadow:0 10px 30px -10px rgba(8,30,66,.4);transition:.4s}
.cert:hover .pic img{transform:scale(1.04)}
.cert .cap{padding:22px 24px;text-align:center}
.cert .cap .n{display:inline-block;background:var(--blue-50);color:var(--blue);font-size:12px;font-weight:700;padding:3px 12px;border-radius:var(--r-pill);margin-bottom:8px}
.cert .cap h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:5px}
.cert .cap p{font-size:13px;color:var(--gray)}
.cert-tip{text-align:center;color:var(--gray-l);font-size:12.5px;margin-top:28px}

/* ---------------- 受理范围 ---------------- */
.scope{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scope-i{background:#fff;border-radius:var(--r);padding:30px 30px;box-shadow:var(--sh-sm);border:1px solid #eef2f8;transition:.25s}
.scope-i:hover{box-shadow:var(--sh)}
.scope-i .sh{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.scope-i .sh .ico{width:44px;height:44px;border-radius:12px;background:var(--blue-50);display:grid;place-items:center;flex:0 0 auto}
.scope-i .sh .ico svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:1.8}
.scope-i .sh h3{font-size:19px;font-weight:700}
.scope-i .sh small{font-size:12px;color:var(--gray-l);font-weight:400;margin-left:6px}
.scope-i p{font-size:14.5px;color:#3a4760;margin-bottom:10px}
.scope-i p:last-child{margin-bottom:0}
.chip{display:inline-block;font-size:12px;font-weight:600;padding:2px 10px;border-radius:var(--r-pill);margin-right:4px}
.chip.ok{background:#e7f7ee;color:var(--ok)}.chip.no{background:#fdecea;color:var(--cta)}
.scope-i .ok b{color:var(--ok)}.scope-i .no b{color:var(--cta)}
.note{margin-top:28px;background:linear-gradient(135deg,#fff7ee,#fef1e3);border:1px solid #fadcbe;border-radius:var(--r);padding:26px 30px}
.note h4{color:#c2691a;font-size:17px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.note li{position:relative;padding-left:18px;margin-bottom:9px;color:#7a5a35;font-size:14.5px}
.note li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.note b{color:#b4540e}

/* 价格 */
.priceband{background:linear-gradient(120deg,#0e4ea6,#1f74de);border-radius:20px;color:#fff;padding:44px 50px;
  display:grid;grid-template-columns:1.2fr auto auto;gap:34px;align-items:center;box-shadow:var(--sh-blue);position:relative;overflow:hidden}
.priceband::before{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.08)}
.priceband .pl h3{font-size:25px;font-weight:800;margin-bottom:8px;position:relative}
.priceband .pl p{color:#cfe1fa;position:relative}
.priceband .pm{text-align:center;position:relative;padding:0 32px;border-left:1px solid rgba(255,255,255,.22);border-right:1px solid rgba(255,255,255,.22)}
.priceband .pm i{font-style:normal;font-size:13px;color:#cfe1fa;display:block}
.priceband .pm b{font-size:56px;font-weight:800;font-family:var(--f-num);line-height:1}
.priceband .pm b small{font-size:.4em;color:#ffd24a}
.priceband .pr{display:flex;flex-direction:column;gap:12px;position:relative}

/* ---------------- 客户评价 ---------------- */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.voice{background:#fff;border-radius:var(--r);padding:30px 28px;box-shadow:var(--sh-sm);border:1px solid #eef2f8;position:relative;transition:.25s}
.voice:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.voice .quote{font-family:Georgia,serif;font-size:60px;line-height:1;color:var(--blue-100);position:absolute;top:14px;right:22px}
.voice .stars{color:var(--gold);font-size:15px;letter-spacing:2px;margin-bottom:12px}
.voice .q{color:#33415a;font-size:14.5px;margin-bottom:20px;position:relative;z-index:1;min-height:80px}
.voice .by{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.voice .av{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--blue-l),var(--blue));color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:700}
.voice .by b{display:block;font-size:14.5px}
.voice .by span{font-size:12.5px;color:var(--gray)}

/* ---------------- FAQ ---------------- */
.faq{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-i{background:#fff;border-radius:var(--r);box-shadow:var(--sh-sm);border:1px solid #eef2f8;overflow:hidden;transition:.2s}
.faq-i.open{box-shadow:var(--sh);border-color:var(--blue-100)}
.faq-q{display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;font-size:16.5px;font-weight:600}
.faq-q .qn{width:30px;height:30px;border-radius:8px;background:var(--blue-50);color:var(--blue);font-family:var(--f-num);
  font-weight:800;font-size:14px;display:grid;place-items:center;flex:0 0 auto}
.faq-q .qt{flex:1}
.faq-q .ic{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;background:var(--blue);transition:.25s;border-radius:2px}
.faq-q .ic::before{left:0;top:8px;width:18px;height:2px}
.faq-q .ic::after{left:8px;top:0;width:2px;height:18px}
.faq-i.open .faq-q{color:var(--blue)}
.faq-i.open .faq-q .qn{background:var(--blue);color:#fff}
.faq-i.open .faq-q .ic::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px 68px;color:var(--gray)}

/* ---------------- 关于/联系 ---------------- */
.contact-in{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}
.contact-l h3{font-size:22px;font-weight:800;margin-bottom:18px}
.cinfo li{display:flex;gap:15px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.cinfo .ci{width:46px;height:46px;border-radius:12px;background:var(--blue-50);display:grid;place-items:center;flex:0 0 auto}
.cinfo .ci svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:1.7}
.cinfo .ct span{font-size:12.5px;color:var(--gray-l);display:block}
.cinfo .ct b{font-size:18px;color:var(--ink)}
.contact-r{background:#fff;border-radius:18px;box-shadow:var(--sh);padding:32px;border-top:4px solid var(--cta)}
.contact-r h3{text-align:center;font-size:21px;font-weight:800;margin-bottom:18px}
.map{margin-top:18px;height:220px;border-radius:var(--r);background:var(--bg2);display:grid;place-items:center;color:var(--gray-l);font-size:14px;border:1px solid var(--line)}
.about-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.about-wrap .metrics{grid-template-columns:1fr 1fr}

/* ---------------- CTA band ---------------- */
.ctaband{position:relative;overflow:hidden;color:#fff;text-align:center;padding:70px 24px;
  background:radial-gradient(900px 400px at 50% -30%,#2f7ae6,transparent 60%),linear-gradient(120deg,#0c3f86,#1361c9)}
.ctaband::before{content:"";position:absolute;inset:0;opacity:.14;background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:linear-gradient(#000,transparent);mask-image:linear-gradient(#000,transparent)}
.ctaband-in{position:relative;z-index:1}
.ctaband .tag{display:inline-block;background:rgba(255,255,255,.16);padding:6px 18px;border-radius:var(--r-pill);font-size:13px;font-weight:600;margin-bottom:16px}
.ctaband h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;margin-bottom:12px}
.ctaband p{color:#cfe1fa;font-size:17px;margin-bottom:24px}
.ctaband .tel{font-size:17px;color:#eaf2fd;margin-bottom:24px}
.ctaband .tel b{color:#ffd24a;font-family:var(--f-num);font-size:30px;font-weight:800;vertical-align:-3px}
.ctaband .btn{margin:0 8px}

/* ---------------- 内页 banner ---------------- */
.subbanner{position:relative;overflow:hidden;color:#fff;padding:58px 0 50px;
  background:radial-gradient(900px 400px at 80% -30%,#2f7ae6,transparent 55%),linear-gradient(120deg,#0e4ea6,#1f74de)}
.subbanner::before{content:"";position:absolute;inset:0;opacity:.14;background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:linear-gradient(#000,transparent);mask-image:linear-gradient(#000,transparent)}
.subbanner-in{position:relative;z-index:1}
.subbanner h1{font-size:38px;font-weight:800;letter-spacing:1px}
.subbanner .en{font-size:13px;letter-spacing:3px;color:#bcd2f1;text-transform:uppercase;margin-top:8px}
.crumb{background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:var(--gray)}
.crumb-in{padding:14px 0}.crumb a:hover{color:var(--blue)}.crumb b{color:var(--ink);font-weight:400}

/* ---------------- 页脚 ---------------- */
.ft{background:#0c2747;color:#9fb6d6}
.ft-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:32px;padding:56px 24px 42px;max-width:var(--maxw);margin:0 auto}
.ft h4{color:#fff;font-size:16px;margin-bottom:18px}
.ft a{display:block;color:#9fb6d6;margin-bottom:10px;font-size:13.5px}
.ft a:hover{color:#fff;padding-left:3px}
.logo-ft{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.logo-ft .logo-tx strong{color:#fff}.logo-ft .logo-tx em{color:#7d93b3}
.ft-about>p{font-size:13.5px;margin-bottom:14px;line-height:1.85}
.ft-hot b{display:block;color:#ffd24a;font-family:var(--f-num);font-size:24px;font-weight:800}
.ft-qr .qr{width:108px;height:108px;border-radius:10px;background:repeating-conic-gradient(#0c2747 0 25%,#fff 0 50%) 0 0/14px 14px,#fff;border:6px solid #fff;margin-bottom:8px}
.ft-qr .qr-img{width:108px;height:108px;object-fit:contain;border-radius:10px;background:#fff;padding:5px;margin-bottom:8px}
.qr-img{object-fit:contain;border-radius:10px;background:#fff}
.ft-qr span{font-size:12.5px}
.ft-links{max-width:var(--maxw);margin:0 auto;padding:16px 24px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#7d93b3}
.ft-links a{display:inline;margin-right:16px;color:#7d93b3}.ft-links a:hover{color:#fff}
.ft-compliance{max-width:var(--maxw);margin:0 auto;padding:10px 24px 16px;font-size:12px;color:#6a7f9c;line-height:1.85}
.ft-bar{background:#081d36;text-align:center;padding:16px 24px;font-size:12.5px;color:#6f86a6}

/* ---------------- 悬浮/移动/弹窗 ---------------- */
.side{position:fixed;right:18px;bottom:90px;z-index:780;display:flex;flex-direction:column;gap:2px;background:#fff;border-radius:14px;box-shadow:var(--sh);overflow:hidden}
.side a{width:68px;padding:13px 4px;text-align:center;color:#445;border-bottom:1px solid var(--line);position:relative;display:grid;place-items:center}
.side a:last-child{border-bottom:none}
.side a svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:1.7;margin-bottom:3px}
.side a span{font-size:11px}
.side a:hover{background:var(--blue);color:#fff}.side a:hover svg{stroke:#fff}
.side .pop{position:absolute;right:74px;top:50%;transform:translateY(-50%);background:var(--blue);color:#fff;white-space:nowrap;
  padding:9px 16px;border-radius:8px;font-family:var(--f-num);font-size:16px;font-weight:700;opacity:0;visibility:hidden;transition:.2s;box-shadow:var(--sh)}
.side a:hover .pop{opacity:1;visibility:visible}
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:790;background:#fff;box-shadow:0 -3px 14px rgba(20,40,80,.12);grid-template-columns:1fr 1fr 1.5fr}
.mbar a{text-align:center;padding:12px 4px;font-size:13px;color:#445;border-right:1px solid var(--line)}
.mbar a.p{background:var(--cta);color:#fff;font-weight:700}
.modal{position:fixed;inset:0;z-index:900;display:none}
.modal.show{display:block}
.modal .mask{position:absolute;inset:0;background:rgba(8,22,44,.55)}
.modal .box{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;width:360px;max-width:92vw;padding:34px 32px;text-align:center;box-shadow:0 30px 80px rgba(8,22,44,.5);border-radius:18px}
.modal .box h3{font-size:21px;font-weight:800;margin-bottom:6px}
.modal .box>p{color:var(--gray);font-size:13px;margin-bottom:10px}
.modal .cls{position:absolute;right:16px;top:12px;font-size:24px;color:var(--gray-l);background:none;border:none;cursor:pointer}
.modal .cls:hover{color:var(--cta)}
.modal .qr{width:180px;height:180px;margin:6px auto 14px;border-radius:10px;background:repeating-conic-gradient(var(--blue) 0 25%,#fff 0 50%) 0 0/18px 18px,#fff;border:8px solid #fff;box-shadow:0 0 0 1px var(--line)}

/* ---------------- 动效 ---------------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}}

/* ---------------- 响应式 ---------------- */
@media(max-width:1080px){.nav a{padding:0 12px;font-size:15px}.nav a.on::after{left:12px;right:12px}}
@media(max-width:980px){
  .nav{display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;box-shadow:var(--sh);border-top:1px solid var(--line)}
  .nav.open{display:flex}.nav a{line-height:1;padding:15px 22px;border-bottom:1px solid var(--line)}.nav a.on::after{display:none}
  .navbtn{display:flex}.hd-tel{display:none}
  .hero-in,.feat,.contact-in,.about-wrap{grid-template-columns:1fr;gap:34px}
  .stats-in{grid-template-columns:repeat(5,1fr);padding:24px 8px}.stat b{font-size:30px}
  .cards,.certs,.voices,.flow,.flow.f10{grid-template-columns:repeat(2,1fr)}
  .scope{grid-template-columns:1fr}
  .flow.f5 .fstep::after{display:none}
}
@media(max-width:680px){
  .sec{padding:56px 0}
  .stats{margin-top:-30px}.stats-in{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .stat:nth-child(2n)::before{display:none}.stat:last-child{grid-column:1/-1}
  .cards,.certs,.voices,.flow,.flow.f10,.metrics,.about-wrap .metrics{grid-template-columns:1fr}
  .cmp th,.cmp td{padding:13px 10px;font-size:13px}
  .priceband{grid-template-columns:1fr;text-align:center;gap:18px}.priceband .pm{border:0}
  .side{display:none}.mbar{display:grid}body{padding-bottom:50px}
  .ft-top{grid-template-columns:1fr 1fr}
  .ft-qr .qr,.ft-qr .qr-img{margin:0 auto 8px}
  .ft-compliance,.ft-bar{font-size:11.5px;line-height:1.85;text-align:center;padding-left:18px;padding-right:18px}
  .subbanner h1{font-size:28px}
  .hero-l h1{font-size:34px}
}
@media(max-width:440px){.ft-top{grid-template-columns:1fr}}