:root{
  --blue:#1656d6;
  --blue-2:#2b7bff;
  --blue-deep:#0b2e6f;
  --ink:#101828;
  --ink-2:#475467;
  --ink-3:#8a93a3;
  --line:#e6eaf2;
  --bg:#ffffff;
  --bg-soft:#f5f8fd;
  --dark:#0a1a33;
  --green:#0d9f6e;
  --amber:#e08a00;
  --purple:#7a5af8;
  --radius:16px;
  --shadow:0 10px 30px rgba(16,40,84,.08);
  --shadow-lg:0 20px 50px rgba(16,40,84,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;
  font-size:15px;font-weight:600;padding:12px 22px;transition:.22s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,#2b7bff,#1656d6);color:#fff;box-shadow:0 8px 20px rgba(22,86,214,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(22,86,214,.34)}
.btn-ghost{background:#fff;color:var(--blue);border-color:#c9daf8}
.btn-ghost:hover{background:#eef4ff;border-color:#a9c8f5}
.btn-ghost.light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost.light:hover{background:rgba(255,255,255,.12)}
.btn-lg{padding:15px 28px;font-size:16px}
.full{width:100%}

/* ---------- topbar ---------- */
.topbar{background:var(--blue-deep);color:#cddcf5;font-size:13px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px;flex-wrap:wrap}
.tb-right{display:flex;gap:18px;align-items:center}
.tb-tel{color:#fff;font-weight:600}
.tb-tel:hover{color:#9ec4ff}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:20px;
  background:linear-gradient(135deg,#2b7bff,#0b3a94);box-shadow:0 6px 16px rgba(22,86,214,.3)}
.logo-txt{display:flex;flex-direction:column;line-height:1.15}
.logo-txt strong{font-size:17px;letter-spacing:.3px;white-space:nowrap}
.logo-txt em{font-style:normal;font-size:9.5px;letter-spacing:1.6px;color:var(--ink-3);font-weight:600}
.menu{display:flex;gap:22px;margin-left:auto}
.menu a{font-size:14px;color:var(--ink-2);font-weight:500;position:relative;padding:4px 0}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue);transition:.22s;border-radius:2px}
.menu a:hover{color:var(--blue)}
.menu a:hover::after{width:100%}
.nav-cta{font-size:14px;padding:10px 18px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 84px;
  background:linear-gradient(165deg,#f3f8ff 0%,#eaf2ff 45%,#f7fbff 100%)}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.orb1{width:460px;height:460px;background:#a8c8ff;top:-160px;right:-100px}
.orb2{width:380px;height:380px;background:#c9e4ff;bottom:-180px;left:-120px}
.grid-mask{position:absolute;inset:0;
  background-image:linear-gradient(rgba(22,86,214,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(22,86,214,.055) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 80% 70% at 30% 30%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 30% 30%,#000 30%,transparent 75%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.tag{display:inline-block;background:#e3edff;color:var(--blue);font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:999px;margin-bottom:20px;border:1px solid #cfe0ff}
.hero h1{font-size:50px;line-height:1.18;letter-spacing:-.5px;font-weight:800}
.hl{position:relative;color:var(--blue)}
.hl::after{content:"";position:absolute;left:-2px;right:-2px;bottom:4px;height:12px;background:rgba(43,123,255,.18);border-radius:3px;z-index:-1}
.sub{margin:22px 0 30px;color:var(--ink-2);font-size:16px;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:40px;padding-top:26px;border-top:1px dashed #c9daf8}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-size:26px;color:var(--blue-deep);font-weight:800;letter-spacing:-.5px}
.hero-stats span{font-size:13px;color:var(--ink-2)}

.hero-card{background:#fff;border:1px solid #e2ecfd;border-radius:20px;padding:28px;box-shadow:var(--shadow-lg)}
.hc-title{font-size:14px;font-weight:700;color:var(--ink-3);letter-spacing:2px;margin-bottom:18px}
.hc-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.hc-list li{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line)}
.hc-list li:last-child{border-bottom:0}
.hc-list b{width:62px;flex-shrink:0;font-size:14px;color:var(--blue);background:#eef4ff;border-radius:7px;text-align:center;padding:3px 0}
.hc-list span{font-size:14.5px;color:var(--ink-2)}
.hc-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.hc-foot>span{font-size:13px;color:var(--ink-3)}
.qr{position:relative;font-size:12px;color:var(--ink-2);display:flex;align-items:center;gap:8px}
.qr-box{width:64px;height:64px;border-radius:8px;border:1px solid var(--line);background:
  repeating-conic-gradient(#1656d6 0 25%,#fff 0 50%) 0 0/12px 12px;opacity:.85}

/* ---------- section ---------- */
.sec{padding:88px 0}
.sec-alt{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 46px}
.eyebrow{font-size:11.5px;letter-spacing:3px;font-weight:700;color:var(--blue-2);margin-bottom:12px}
.sec-head h2{font-size:33px;font-weight:800;letter-spacing:-.3px;line-height:1.3}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:15.5px}
.sec-head.light h2{color:#fff}
.sec-head.light p{color:#9fb6d6}
.pill{background:#e8f5ee;color:var(--green);font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:6px}

/* ---------- cards ---------- */
.cards{display:grid;gap:20px}
.c4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d3e3fb}
.service .ic{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-size:22px;margin-bottom:16px}
.ic-blue{background:#e9f1ff}
.ic-green{background:#e7f7f0}
.ic-amber{background:#fff4e0}
.ic-purple{background:#f0ecff}
.service h3{font-size:18px;margin-bottom:8px}
.service p{font-size:14px;color:var(--ink-2);min-height:66px}
.price{font-size:26px;font-weight:800;color:var(--blue);margin:12px 0 14px;letter-spacing:-.5px}
.price small{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:2px}
.lnk{font-size:13.5px;font-weight:600;color:var(--blue);display:inline-block}
.lnk:hover{text-decoration:underline}
.quick-line{margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:center;
  background:#f7faff;border:1px dashed #cfe0ff;border-radius:12px;padding:16px 20px}
.quick-line span{font-size:14px;color:var(--ink-2)}
.quick-line a{font-size:13.5px;color:var(--blue);background:#fff;border:1px solid #d9e7ff;border-radius:999px;padding:5px 15px;transition:.2s}
.quick-line a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

.sub-h{font-size:17px;margin:8px 0 18px;padding-left:12px;border-left:4px solid var(--blue-2)}
.card.mini{padding:22px}
.mi{font-size:16px;font-weight:700;margin-bottom:8px}
.card.mini p{font-size:13.5px;color:var(--ink-2);margin-bottom:12px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:48px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 20px;text-align:center}
.step::after{content:"→";position:absolute;right:-16px;top:50%;transform:translateY(-50%);color:#b9cdf5;font-size:18px;z-index:2}
.step:last-child::after{display:none}
.sno{font-size:24px;font-weight:800;color:#cfdffb;letter-spacing:1px}
.st-h{font-size:17px;font-weight:700;margin:4px 0 6px}
.st-t{font-size:13px;color:var(--ink-3)}

.two-col{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.panel h3{font-size:18px;margin-bottom:18px}
.ticks{list-style:none;display:flex;flex-direction:column;gap:12px}
.ticks li{position:relative;padding-left:28px;font-size:14.5px;color:var(--ink-2)}
.ticks li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  background:#e7f7f0 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.4l3 3 6-6.4' stroke='%230d9f6e' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px no-repeat}
.numlist{columns:1;list-style:none;counter-reset:n;display:grid;grid-template-columns:1fr;gap:9px}
.numlist li{counter-increment:n;position:relative;padding-left:30px;font-size:14px;color:var(--ink-2)}
.numlist li::before{content:counter(n);position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:6px;
  background:#eef4ff;color:var(--blue);font-size:11.5px;font-weight:700;display:grid;place-items:center}
.note{margin-top:16px;font-size:12.5px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:14px}

/* ---------- packages ---------- */
.sec-dark{background:radial-gradient(ellipse 70% 60% at 50% 0%,#123a7a 0%,#0a1a33 60%,#08152a 100%);color:#fff}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.13);border-radius:18px;padding:30px;
  backdrop-filter:blur(6px);transition:.25s}
.pcard:hover{transform:translateY(-4px);border-color:rgba(120,170,255,.45);background:rgba(255,255,255,.07)}
.pcard.featured{background:linear-gradient(180deg,rgba(43,123,255,.22),rgba(43,123,255,.06));
  border-color:rgba(120,170,255,.5);box-shadow:0 20px 50px rgba(0,20,60,.5)}
.ptag{display:inline-block;font-size:12.5px;font-weight:600;color:#a9c6f0;background:rgba(255,255,255,.09);
  border-radius:999px;padding:4px 13px;margin-bottom:16px}
.ptag.hot{color:#0a1a33;background:linear-gradient(135deg,#9ec4ff,#5b95ff)}
.pnum{font-size:40px;font-weight:800;letter-spacing:-1px;margin-bottom:20px;display:flex;align-items:baseline;gap:4px}
.pnum small{font-size:18px;font-weight:700;opacity:.75}
.pnum span{font-size:14px;font-weight:500;color:#9fb6d6;margin-left:4px}
.pcard .ticks li{color:#c7d7ee}
.pcard .ticks li::before{background:rgba(13,159,110,.22)}
.pcard .ticks li::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.4l3 3 6-6.4' stroke='%235fe0ae' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.pcard .btn{margin-top:24px}
.flow-line{margin-top:44px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.fl-item{font-size:14px;color:#c7d7ee;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:999px;padding:10px 20px;display:flex;align-items:center;gap:10px}
.fl-item i{font-style:normal;color:#7db1ff;font-weight:700}

/* ---------- compare ---------- */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:46px}
.adv-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}
.adv-item:hover{border-color:#d3e3fb;box-shadow:var(--shadow)}
.adv-item .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;margin-bottom:14px}
.adv-item h3{font-size:16.5px;margin-bottom:8px}
.adv-item p{font-size:13.8px;color:var(--ink-2)}
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);margin-bottom:46px}
.pk{width:100%;border-collapse:collapse;min-width:640px;background:#fff}
.pk th,.pk td{padding:16px 22px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.pk thead th{background:#f7faff;font-size:14px;font-weight:700;color:var(--ink-2)}
.pk thead th.us{color:var(--blue);background:#eef4ff}
.pk td.us{color:var(--blue-deep);font-weight:600;background:#f7faff}
.pk td.k{color:var(--ink-3);font-size:13.5px;width:110px}
.pk tbody tr:last-child td{border-bottom:0}
.pk tbody tr:hover td{background:#fbfdff}
.pk tbody tr:hover td.us{background:#f0f6ff}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.three .card h3{font-size:17px;margin-bottom:10px}
.three .card p{font-size:14px;color:var(--ink-2)}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.qa{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.2s}
.qa.open{border-color:#c8dbfb;box-shadow:var(--shadow)}
.qa .q{width:100%;text-align:left;background:none;border:0;padding:19px 22px;font-size:15.5px;font-weight:600;
  color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-family:inherit}
.qa .chev{color:var(--blue);font-size:20px;font-weight:400;transition:.25s;flex-shrink:0;line-height:1}
.qa.open .chev{transform:rotate(45deg)}
.qa .a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.qa .a p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2)}

/* ---------- contact ---------- */
.contact{background:linear-gradient(160deg,#f2f7ff,#eef4ff 60%,#f8fbff)}
.contact-in{display:grid;grid-template-columns:1fr .8fr;gap:56px;align-items:start}
.contact-copy h2{font-size:34px;font-weight:800;letter-spacing:-.3px;margin-bottom:14px}
.csub{color:var(--ink-2);font-size:15.5px;margin-bottom:32px}
.cinfo{display:flex;flex-direction:column;gap:14px}
.cinfo-item{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid #e2ecfd;border-radius:14px;padding:16px 20px;transition:.2s}
a.cinfo-item:hover{border-color:#b9d2fa;box-shadow:var(--shadow);transform:translateX(3px)}
.ci-ic{width:42px;height:42px;flex-shrink:0;border-radius:12px;background:#eef4ff;display:grid;place-items:center;font-size:19px}
.cinfo-item span{display:flex;flex-direction:column}
.cinfo-item em{font-style:normal;font-size:12.5px;color:var(--ink-3)}
.cinfo-item strong{font-size:15.5px;color:var(--ink);font-weight:700}
a.cinfo-item strong{color:var(--blue);font-size:20px;letter-spacing:.5px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.chips a{font-size:13.5px;background:#fff;border:1px solid #d9e7ff;color:var(--blue);border-radius:999px;padding:7px 16px;transition:.2s}
.chips a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

.form{background:#fff;border:1px solid #e2ecfd;border-radius:20px;padding:32px;box-shadow:var(--shadow-lg)}
.form h3{font-size:21px;margin-bottom:6px}
.fsub{font-size:13.5px;color:var(--ink-3);margin-bottom:22px}
.form label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:15px}
.form input,.form select,.form textarea{width:100%;margin-top:7px;padding:12px 14px;border:1px solid #dbe4f2;border-radius:10px;
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfcfe;transition:.18s;outline:none}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--blue-2);background:#fff;box-shadow:0 0 0 3px rgba(43,123,255,.12)}
.form textarea{resize:vertical}
.form .btn{margin-top:6px}
.tip{margin-top:12px;font-size:13px;min-height:18px;color:var(--green);text-align:center}
.tip.err{color:#d92d20}

/* ---------- footer ---------- */
.foot{background:var(--dark);color:#93a6c0;font-size:13.5px;padding-top:56px}
.foot-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.foot .logo-txt strong{color:#fff}
.foot .logo-txt em{color:#5f7495}
.foot-brand p{margin-top:16px;font-size:13.5px;line-height:1.9;color:#8698b3}
.foot-col{display:flex;flex-direction:column;gap:9px}
.foot-col h4{color:#fff;font-size:14.5px;margin-bottom:6px;font-weight:700}
.foot-col a:hover{color:#7db1ff}
.ftel{color:#7db1ff;font-size:19px;font-weight:800;letter-spacing:.5px}
.foot-bot{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;padding-bottom:26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#6c809d}

/* ---------- mobile bar ---------- */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;
  border-top:1px solid var(--line);padding:10px 14px;gap:10px;box-shadow:0 -6px 20px rgba(16,40,84,.08)}
.mb-call{flex:1;background:linear-gradient(135deg,#2b7bff,#1656d6);color:#fff;border-radius:10px;
  text-align:center;padding:12px;font-size:14.5px;font-weight:700}
.mb-form{flex:0 0 108px;background:#eef4ff;color:var(--blue);border-radius:10px;text-align:center;
  padding:12px;font-size:14px;font-weight:600}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero h1{font-size:40px}
  .hero-in{grid-template-columns:1fr;gap:34px}
  .hero-card{max-width:520px}
  .c4{grid-template-columns:repeat(2,1fr)}
  .adv{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .two-col{grid-template-columns:1fr}
  .contact-in{grid-template-columns:1fr;gap:34px}
  .menu{display:none}
  .nav-cta{display:none}
  .burger{display:flex;margin-left:auto}
  .menu.show{display:flex;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:10px 24px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .menu.show a{padding:13px 0;border-bottom:1px solid #f2f5fa}
  .foot-in{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .sec{padding:60px 0}
  .hero{padding:50px 0 60px}
  .hero h1{font-size:32px}
  .sub{font-size:15px}
  .sec-head h2{font-size:25px}
  .sec-head p{font-size:14.5px}
  .hero-stats{gap:22px;flex-wrap:wrap}
  .hero-stats strong{font-size:22px}
  .steps{grid-template-columns:1fr 1fr}
  .step::after{display:none}
  .three{grid-template-columns:1fr}
  .c4{grid-template-columns:1fr}
  .adv{grid-template-columns:1fr}
  .topbar-in{justify-content:center;height:auto;padding:8px 0;font-size:12px}
  .tb-left{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:68px}
  .foot-in{grid-template-columns:1fr;gap:26px}
  .foot-bot{flex-direction:column;gap:8px}
  .form{padding:24px}
  .panel{padding:22px}
  .contact-copy h2{font-size:26px}
  .quick-line{justify-content:flex-start}
  .cta-row{flex-direction:column}
}