:root{
  --bg:#131A26;
  --bg-2:#18212F;
  --bg-3:#1B2740;
  --card:#1E2939;
  --card-2:#222E41;
  --line:#2C3A50;
  --line-2:#223045;
  --ink:#E8EEF6;
  --ink-2:#AAB9CD;
  --ink-3:#7C8BA1;
  --cy:#35A8DD;
  --cy-2:#6FC7EB;
  --cy-d:#1E6E96;
  --coral:#F2705A;
  --cy-soft:rgba(53,168,221,.12);
  --r:10px;
  --wrap:1140px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei','WenQuanYi Micro Hei',Arial,sans-serif;
  font-size:16px;line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,figcaption,blockquote,dl,dt,dd,table,ul,ol,li{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}

.wrap,.hero__in,.cta__in,.foot__in{max-width:var(--wrap);margin:0 auto;padding-left:22px;padding-right:22px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r);font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}
.btn.btn-primary{background:var(--cy);color:#08202E;border-color:var(--cy);box-shadow:0 10px 26px -14px rgba(53,168,221,.9)}
.btn.btn-primary:hover{background:var(--cy-2);color:#06202F;border-color:var(--cy-2);transform:translateY(-2px)}
.btn.btn-ghost{background:transparent;color:var(--cy-2);border-color:var(--line)}
.btn.btn-ghost:hover{background:var(--cy-soft);color:var(--cy-2);border-color:var(--cy);transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}

.top{position:sticky;top:0;z-index:40;background:rgba(19,26,38,.92);border-bottom:1px solid var(--line-2);backdrop-filter:blur(8px)}
.top__in{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{width:40px;height:40px;border-radius:50%}
.brand__t{display:flex;flex-direction:column;line-height:1.25}
.brand__t b{font-size:17px;font-weight:700;letter-spacing:.4px}
.brand__t i{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.5px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{padding:8px 12px;font-size:14px;color:var(--ink-2);border-radius:8px;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.nav a[aria-current="page"]{color:var(--cy-2);border-bottom-color:var(--cy);background:var(--cy-soft)}
.top .btn{margin-left:6px}

.hero{position:relative;overflow:hidden;background:linear-gradient(158deg,#131A26 0%,#1B2740 62%,#17243A 100%);border-bottom:1px solid var(--line-2)}
.hero::before{content:"";position:absolute;top:-230px;right:-150px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(53,168,221,.22) 0%,rgba(53,168,221,.07) 42%,transparent 68%);pointer-events:none}
.hero::after{content:"";position:absolute;left:0;top:0;bottom:0;width:52%;background-image:repeating-linear-gradient(163deg,rgba(111,199,235,.09) 0 1px,transparent 1px 22px);pointer-events:none;mask-image:linear-gradient(115deg,rgba(0,0,0,.85),transparent 72%);-webkit-mask-image:linear-gradient(115deg,rgba(0,0,0,.85),transparent 72%)}
.hero__in{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;padding-top:74px;padding-bottom:78px}
.kicker{font-size:11px;letter-spacing:2.4px;color:var(--cy-2);font-weight:700;text-transform:uppercase}
.hero h1{margin:14px 0 0;font-size:44px;line-height:1.26;font-weight:700;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:var(--cy-2)}
.lead{margin:18px 0 0;font-size:16px;color:var(--ink-2);max-width:36em}
.hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.facts{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 0}
.facts li{font-size:13px;color:var(--ink-2);border:1px solid var(--line);background:rgba(255,255,255,.02);border-radius:999px;padding:6px 14px}
.hero__shot{max-width:320px;margin:0 auto;width:100%}
.hero__shot img{width:100%;height:auto;border-radius:14px;box-shadow:0 0 0 1px rgba(111,199,235,.3),0 26px 52px -22px rgba(0,0,0,.85)}
.hero__shot figcaption{margin-top:14px;font-size:12.5px;color:var(--ink-3);text-align:center}

.sec{padding:70px 0;border-bottom:1px solid var(--line-2)}
.sec--alt{background:var(--bg-2)}
.sec-h{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px}
.sec-h::before{content:"";flex:0 0 auto;width:4px;height:26px;margin-top:5px;border-radius:2px;background:linear-gradient(180deg,var(--cy-2),var(--cy-d))}
.sec-h h2{font-size:27px;font-weight:700;line-height:1.35}
.sub{margin:0 0 34px 16px;font-size:14.5px;color:var(--ink-3);max-width:52em}

.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-top:2px solid var(--cy);border-radius:var(--r);padding:26px 24px 24px}
.card:hover{background:var(--card-2)}
.card__no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--cy-soft);color:var(--cy-2);font-size:15px;font-weight:700;font-style:normal}
.card h3{margin:16px 0 10px;font-size:18px;font-weight:700}
.card p{font-size:14.5px;color:var(--ink-2)}
.card dl{margin-top:14px;font-size:13.5px;color:var(--ink-3)}
.card dl div{display:flex;gap:8px;padding:5px 0;border-top:1px dashed var(--line)}
.card dt{flex:0 0 62px;color:var(--cy-2)}
.card dd{flex:1 1 auto;color:var(--ink-2)}

.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:26px 20px;align-items:start}
.gal figure{text-align:center}
.gal img{width:auto;max-width:100%;height:auto;margin:0 auto;border-radius:12px;box-shadow:0 0 0 1px rgba(111,199,235,.28),0 20px 40px -20px rgba(0,0,0,.85)}
.gal figcaption{margin-top:12px;font-size:13px;color:var(--ink-3)}

.entries{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.entry{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.entry:hover{border-color:var(--cy-d);background:var(--card-2)}
.entry__k{flex:0 0 auto;font-size:12px;letter-spacing:1.6px;color:var(--cy-2);font-weight:700;padding-top:4px}
.entry h3{font-size:17px;font-weight:700;margin-bottom:6px}
.entry p{font-size:14px;color:var(--ink-2)}

.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rev{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.rev p{font-size:14.5px;color:var(--ink-2)}
.rev footer{margin-top:16px;padding-top:14px;border-top:1px solid var(--line-2);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.rev b{color:var(--ink);font-weight:600}
.stars{color:var(--coral);letter-spacing:2px;font-size:13px}

.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.faq details{border-top:1px solid var(--line-2)}
.faq details:first-child{border-top:0}
.faq summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;position:relative;font-size:15.5px;font-weight:600;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--cy-2);font-size:19px;font-weight:700}
.faq details[open] summary::after{content:"\2212"}
.faq summary:hover{background:rgba(255,255,255,.03)}
.faq .a{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2)}

.cta{position:relative;overflow:hidden;background:linear-gradient(130deg,#17243A,#131A26 58%);border-bottom:1px solid var(--line-2)}
.cta::before{content:"";position:absolute;left:-120px;bottom:-200px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(242,112,90,.16) 0%,transparent 66%);pointer-events:none}
.cta__in{position:relative;z-index:1;padding-top:62px;padding-bottom:64px;text-align:center}
.cta h2{font-size:26px;font-weight:700}
.cta .btn{margin-top:24px}

.foot{background:#0E141E;padding:52px 0 30px;font-size:14px;color:var(--ink-3)}
.foot__in{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.foot__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot__brand img{width:34px;height:34px;border-radius:50%}
.foot__brand b{color:var(--ink);font-size:16px}
.foot p{color:var(--ink-3);max-width:34em}
.foot h4{color:var(--ink);font-size:14px;margin-bottom:12px;font-weight:700}
.foot ul li{padding:5px 0}
.foot ul a:hover{color:var(--cy-2)}
.foot__bar{margin-top:34px;padding-top:20px;border-top:1px solid #1B2432;display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;font-size:13px;color:#5D6B7E}
.notice{color:#8494A8;max-width:60em}

.prose{max-width:820px}
.prose h2{font-size:23px;font-weight:700;margin:44px 0 14px;padding-top:22px;border-top:1px solid var(--line)}
.prose h2:first-of-type{margin-top:0;padding-top:0;border-top:0}
.prose h3{font-size:17.5px;font-weight:700;margin:26px 0 10px;color:var(--cy-2)}
.prose p{margin:12px 0;color:var(--ink-2);font-size:15.5px}
.prose ul,.prose ol{margin:14px 0}
.prose li{position:relative;padding:6px 0 6px 22px;color:var(--ink-2);font-size:15.5px}
.prose li::before{content:"";position:absolute;left:4px;top:16px;width:6px;height:6px;border-radius:2px;background:var(--cy);transform:rotate(45deg)}
.prose ol{counter-reset:n}
.prose ol li{counter-increment:n}
.prose ol li::before{content:counter(n);left:0;top:9px;width:auto;height:auto;background:none;transform:none;color:var(--cy-2);font-weight:700;font-size:14px}
.prose table{margin:18px 0;font-size:14.5px}
.prose th,.prose td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line-2);color:var(--ink-2);vertical-align:top}
.prose th{color:var(--cy-2);font-weight:600;width:28%;white-space:nowrap}
.prose blockquote{margin:20px 0;padding:16px 20px;background:var(--card);border-left:3px solid var(--coral);border-radius:0 8px 8px 0;color:var(--ink-2);font-size:15px}
.prose figure{margin:26px 0;text-align:center}
.prose figure img{width:auto;max-width:min(400px,100%);height:auto;margin:0 auto;border-radius:12px;box-shadow:0 0 0 1px rgba(111,199,235,.28),0 20px 40px -20px rgba(0,0,0,.85)}
.prose figcaption{margin-top:12px;font-size:13px;color:var(--ink-3)}
.prose a.lnk{color:var(--cy-2);border-bottom:1px solid var(--cy-d)}
.prose a.lnk:hover{color:var(--ink)}

.passage{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--cy);border-radius:0 var(--r) var(--r) 0;padding:22px 24px;margin:0 0 32px}
.passage p{color:var(--ink-2);font-size:15.5px}
.passage p+p{margin-top:12px}

.page-head{position:relative;overflow:hidden;background:linear-gradient(150deg,#18212F,#131A26);border-bottom:1px solid var(--line-2)}
.page-head::before{content:"";position:absolute;right:-140px;top:-190px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(53,168,221,.16),transparent 66%);pointer-events:none}
.page-head .wrap{position:relative;z-index:1;padding-top:52px;padding-bottom:54px}
.page-head h1{font-size:34px;font-weight:700;margin-top:12px}
.page-head .lead{margin-top:14px}
.crumb{font-size:13px;color:var(--ink-3)}
.crumb a:hover{color:var(--cy-2)}
.crumb span{margin:0 8px;color:var(--line)}

.steps{counter-reset:s;margin:18px 0}
.steps li{counter-increment:s;position:relative;padding:16px 0 16px 52px;border-top:1px solid var(--line-2)}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:16px;font-size:13px;font-weight:700;color:var(--cy-2);letter-spacing:.5px}
.steps b{display:block;font-size:15.5px;color:var(--ink);margin-bottom:4px}
.steps span{font-size:14.5px;color:var(--ink-2)}

.tbl-wrap{overflow-x:auto}
.score{display:flex;align-items:center;gap:12px;margin:16px 0;font-size:14px;color:var(--ink-3)}
.score>span:first-child{flex:0 0 108px;color:var(--ink-2);white-space:nowrap}
.score>span:last-child{flex:0 0 46px;text-align:right;color:var(--cy-2);white-space:nowrap}
.bar{flex:1 1 auto;height:7px;border-radius:4px;background:var(--line-2);overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--cy-d),var(--cy-2))}

.sweep{animation:sweep .62s cubic-bezier(.24,.72,.26,1) both}
.sweep.d1{animation-delay:.08s}
.sweep.d2{animation-delay:.16s}
@keyframes sweep{from{opacity:0;clip-path:inset(0 100% 0 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}

@media (prefers-reduced-motion:reduce){
  .sweep{animation:none;opacity:1;clip-path:none}
  html{scroll-behavior:auto}
}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:40px;padding-top:56px;padding-bottom:60px}
  .hero h1{font-size:34px}
  .hero__shot{max-width:300px}
  .hero::after{display:none}
  .grid-3,.reviews,.gal{grid-template-columns:repeat(2,1fr)}
  .foot__in{grid-template-columns:1fr 1fr}
  .sec{padding:56px 0}
  .page-head h1{font-size:28px}
}

@media (max-width:620px){
  .top__in{flex-wrap:wrap;gap:10px;padding-top:10px;padding-bottom:10px;min-height:0}
  .brand{order:1}
  .top .btn{order:2;margin-left:auto}
  .nav{order:3;flex:1 0 100%;justify-content:center;flex-wrap:wrap;gap:2px;margin-left:0}
  .nav a{padding:7px 9px;font-size:13.5px}
  .hero h1{font-size:28px}
  .hero__shot{max-width:290px}
  .sec-h h2{font-size:22px}
  .grid-3,.grid-2,.reviews,.gal,.entries,.foot__in{grid-template-columns:1fr}
  .gal img,.prose figure img{max-width:290px}
  .cta h2{font-size:22px}
  .prose h2{font-size:20px}
  .prose th{width:auto}
  .prose th,.prose td{display:block;border-bottom:0;padding:4px 0}
  .prose tr{display:block;padding:12px 0;border-bottom:1px solid var(--line-2)}
  .foot{padding:40px 0 24px}
}