:root{
  --bg:#EEF4F6;
  --bg-alt:#E1EBEF;
  --card:#FFFFFF;
  --line:#D2E1E6;
  --ink:#132430;
  --txt:#3C4E5C;
  --mut:#6E8292;
  --pri:#2E3A8C;
  --pri-d:#1E2763;
  --pri-l:#5A66CC;
  --acc:#0E9C8F;
  --acc-l:#3CC0B2;
  --acc-d:#0A7A70;
  --sh:0 6px 18px rgba(24,42,60,.07);
  --sh-lg:0 14px 34px rgba(24,42,60,.10);
  --r:4px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  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;
}

h1,h2,h3,h4,p,figure,figcaption,blockquote,dl,dd,dt,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block}
a{color:var(--pri);text-decoration:none}
a:hover{color:var(--acc-d)}
b,strong{font-weight:700;color:var(--ink)}

.wrap{max-width:1140px;margin:0 auto;padding:0 22px}

.top{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.top__in{
  max-width:1140px;margin:0 auto;padding:10px 22px;
  display:flex;align-items:center;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{width:40px;height:40px;border-radius:6px;box-shadow:0 2px 8px rgba(30,39,99,.18)}
.brand__txt{
  font-size:21px;font-weight:700;letter-spacing:.2px;
  color:var(--pri-d);
}
.brand__sub{display:block;font-size:11px;font-weight:400;color:var(--mut);letter-spacing:1.4px;line-height:1}

.nav{
  flex:1 1 auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  justify-content:flex-start;
}
.nav a{
  display:inline-block;padding:6px 11px;border-radius:var(--r);
  font-size:14.5px;color:var(--txt);white-space:nowrap;
  border-bottom:2px solid transparent;
}
.nav a:hover{background:var(--bg-alt);color:var(--pri-d)}
.nav a[aria-current="page"]{
  color:var(--pri-d);font-weight:700;
  border-bottom-color:var(--acc);
  background:rgba(14,156,143,.09);
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r);
  background:linear-gradient(120deg,var(--pri) 0%,var(--acc) 100%);
  color:#fff;font-weight:700;font-size:15px;letter-spacing:.3px;
  box-shadow:0 8px 20px rgba(30,39,99,.22);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(30,39,99,.28)}
.btn--top{padding:9px 18px;font-size:14.5px;flex:0 0 auto}
.btn--ghost{
  background:transparent;color:var(--pri-d);
  border:1px solid var(--line);box-shadow:none;
}
.btn--ghost:hover{color:var(--pri-d);background:#fff;border-color:var(--acc)}

.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(760px 320px at 88% -10%,rgba(60,192,178,.24),transparent 68%),
    linear-gradient(168deg,var(--bg) 0%,var(--bg) 46%,var(--bg-alt) 46%,var(--bg-alt) 100%);
}
.hero::before{
  content:"";position:absolute;left:0;top:0;width:44%;height:100%;
  background-image:radial-gradient(rgba(46,58,140,.16) 1px,transparent 1px);
  background-size:16px 16px;
  pointer-events:none;
}
.hero__in{
  position:relative;
  max-width:1140px;margin:0 auto;padding:58px 22px 62px;
  display:grid;grid-template-columns:1.24fr .76fr;gap:46px;align-items:center;
}
.hero__kick{
  display:inline-block;padding:5px 12px;border-radius:calc(var(--r) + 12px);
  background:rgba(46,58,140,.10);color:var(--pri-d);
  font-size:12.5px;letter-spacing:1.6px;margin-bottom:16px;
}
.hero h1{
  font-size:44px;line-height:1.22;font-weight:700;color:var(--pri-d);
  letter-spacing:-.4px;
}
.hero__lead{margin-top:18px;font-size:16.5px;color:var(--txt);max-width:620px}
.hero__cta{margin-top:26px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cta-note{font-size:13px;color:var(--mut)}
.hero__shot{max-width:300px;margin:0 auto;width:100%}
.hero__shot img{
  width:100%;height:auto;border-radius:10px;
  box-shadow:0 0 0 6px #fff,var(--sh-lg);
}

.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,var(--pri-d) 0%,var(--pri) 62%,var(--acc-d) 100%);
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;right:-70px;bottom:-120px;width:320px;height:320px;
  border-radius:50%;background:rgba(60,192,178,.22);
  pointer-events:none;
}
.page-hero__in{
  position:relative;max-width:1140px;margin:0 auto;padding:44px 22px 46px;
}
.page-hero h1{font-size:34px;line-height:1.26;font-weight:700;color:#fff;letter-spacing:-.3px}
.page-hero .lead{margin-top:14px;font-size:16px;color:rgba(255,255,255,.88);max-width:820px}
.crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:12px}
.crumb a{color:rgba(255,255,255,.86)}

.facts{background:var(--card);border-bottom:1px solid var(--line)}
.facts__in{
  max-width:1140px;margin:0 auto;padding:26px 22px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.fact{padding-left:14px;border-left:3px solid var(--acc)}
.fact b{display:block;font-size:19px;color:var(--pri-d);line-height:1.3}
.fact span{font-size:13.5px;color:var(--mut)}

.sec{padding:66px 0}
.sec--alt{background:var(--bg-alt)}
.sec--paper{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec h2{
  font-size:27px;line-height:1.32;font-weight:700;color:var(--pri-d);
  letter-spacing:-.2px;
}
.sec h2::after{
  content:"";display:block;width:52px;height:4px;margin-top:12px;border-radius:2px;
  background:linear-gradient(90deg,var(--acc) 0%,var(--acc-l) 100%);
}
.sub{margin-top:14px;font-size:15.5px;color:var(--mut);max-width:820px}
.sec__head{margin-bottom:34px}

.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.note{
  position:relative;background:var(--card);border-radius:var(--r);
  border-left:4px solid var(--pri);box-shadow:var(--sh);
  padding:22px 22px 22px 26px;
}
.note:nth-child(even){border-left-color:var(--acc)}
.note h3{font-size:18px;color:var(--pri-d);margin-bottom:8px}
.note p{font-size:15px;color:var(--txt)}
.note__tag{
  display:inline-block;margin-bottom:10px;padding:3px 9px;border-radius:3px;
  background:rgba(46,58,140,.10);color:var(--pri);font-size:12px;letter-spacing:1px;
}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{
  background:var(--card);border-radius:var(--r);box-shadow:var(--sh);
  border-left:4px solid var(--acc);
  padding:18px 20px;
}
.tile b{display:block;font-size:16.5px;color:var(--pri-d);margin-bottom:6px}
.tile span{font-size:14.5px;color:var(--txt)}

.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.shot{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:14px}
.shot img{width:100%;height:auto;border-radius:3px;box-shadow:0 0 0 1px var(--line)}
.shot figcaption{margin-top:11px;font-size:13.5px;color:var(--mut);line-height:1.6}

.fig{margin:26px 0;width:100%;max-width:400px}
.fig img{width:100%;height:auto;border-radius:3px;box-shadow:0 0 0 1px var(--line),var(--sh)}
.fig figcaption{margin-top:10px;font-size:13.5px;color:var(--mut);text-align:center}

.prose{max-width:900px}
.prose p{margin-bottom:16px;font-size:15.5px}
.prose p:last-child{margin-bottom:0}

.steps{counter-reset:st;display:grid;gap:16px}
.step{
  position:relative;background:var(--card);border-radius:var(--r);
  box-shadow:var(--sh);border-left:4px solid var(--pri);
  padding:18px 22px 18px 62px;
}
.step::before{
  counter-increment:st;content:counter(st,decimal-leading-zero);
  position:absolute;left:18px;top:19px;
  width:28px;height:28px;border-radius:3px;
  background:linear-gradient(135deg,var(--pri) 0%,var(--acc) 100%);
  color:#fff;font-size:13px;font-weight:700;line-height:28px;text-align:center;
  font-family:Arial,sans-serif;
}
.step h3{font-size:17.5px;color:var(--pri-d);margin-bottom:6px}
.step p{font-size:15px;color:var(--txt)}

.zig{display:grid;gap:34px}
.zig__row{
  display:grid;grid-template-columns:1.06fr .94fr;gap:34px;align-items:center;
  background:var(--card);border-radius:var(--r);box-shadow:var(--sh);
  padding:26px 28px;border-left:4px solid var(--acc);
}
.zig__row:nth-child(even){grid-template-columns:.94fr 1.06fr;border-left-color:var(--pri)}
.zig__row:nth-child(even) .zig__txt{order:2}
.zig__row:nth-child(even) .fig{order:1}
.zig__row--rev{grid-template-columns:.94fr 1.06fr;border-left-color:var(--pri)}
.zig__row--rev .zig__txt{order:2}
.zig__row--rev .fig{order:1}
.zig__txt h3{font-size:19px;color:var(--pri-d);margin-bottom:10px}
.zig__txt p{font-size:15px;margin-bottom:12px}
.zig__txt p:last-child{margin-bottom:0}
.zig .fig{margin:0 auto}

.entry{
  display:block;background:var(--card);border-radius:var(--r);box-shadow:var(--sh);
  border-left:4px solid var(--pri);padding:22px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--sh-lg)}
.entry b{display:block;font-size:18px;color:var(--pri-d);margin-bottom:8px}
.entry span{font-size:14.5px;color:var(--txt);display:block;margin-bottom:12px}
.entry i{font-style:normal;font-size:13.5px;color:var(--acc-d);font-weight:700}

.rev{
  background:var(--card);border-radius:var(--r);box-shadow:var(--sh);
  border-left:4px solid var(--acc);padding:20px 22px;
}
.rev__meta{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.rev__who{font-size:14.5px;color:var(--pri-d);font-weight:700}
.rev__tag{font-size:12px;color:var(--mut);letter-spacing:.6px}
.rev p{font-size:15px;color:var(--txt)}

.qa{display:grid;gap:14px}
details{
  background:var(--card);border-radius:var(--r);box-shadow:var(--sh);
  border-left:4px solid var(--pri);padding:0 20px;
}
details[open]{border-left-color:var(--acc)}
summary{
  cursor:pointer;list-style:none;padding:17px 26px 17px 0;position:relative;
  font-size:16.5px;font-weight:700;color:var(--pri-d);
}
summary::-webkit-details-marker{display:none}
summary::after{
  content:"+";position:absolute;right:0;top:14px;
  width:24px;height:24px;line-height:23px;text-align:center;border-radius:3px;
  background:rgba(46,58,140,.10);color:var(--pri);font-size:16px;font-weight:700;
}
details[open] summary::after{content:"−";background:rgba(14,156,143,.14);color:var(--acc-d)}
details .ans{padding:0 0 18px;font-size:15px;color:var(--txt);border-top:1px solid var(--line);padding-top:14px}
details .ans b{color:var(--pri-d)}

.cta{
  background:linear-gradient(135deg,var(--pri-d) 0%,var(--pri) 55%,var(--acc-d) 100%);
  color:#fff;padding:56px 0;
}
.cta__in{
  max-width:1140px;margin:0 auto;padding:0 22px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta h2{font-size:26px;font-weight:700;color:#fff}
.cta h2::after{display:none}
.cta .sub{color:rgba(255,255,255,.86);margin-top:10px}
.cta .btn{
  background:linear-gradient(120deg,#FFFFFF 0%,#E6F5F3 100%);
  color:#1E2763;
  box-shadow:0 10px 24px rgba(0,0,0,.22);
}
.cta .btn:hover{color:#1E2763}
.cta .btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.cta .btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.cta__act{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:0}

.gap-top{margin-top:26px}

.foot{background:#132C33;color:rgba(255,255,255,.72);padding:46px 0 26px}
.foot__in{
  max-width:1140px;margin:0 auto;padding:0 22px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px;
}
.foot__brand{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.foot__brand img{width:36px;height:36px;border-radius:5px}
.foot__brand b{font-size:19px;color:#fff}
.foot__brand p{flex:1 0 100%;font-size:14px;color:rgba(255,255,255,.66);margin-top:10px}
.foot h3{font-size:15px;color:#fff;margin-bottom:12px;font-weight:700}
.foot a{color:rgba(255,255,255,.74);display:block;padding:4px 0;font-size:14.5px}
.foot a:hover{color:#7FE3D8}
.foot__dl a{padding:0}
.foot .btn{display:inline-flex;padding:10px 18px;background:linear-gradient(120deg,var(--pri) 0%,var(--acc) 100%);color:#fff}
.foot .btn:hover{color:#fff;background:linear-gradient(120deg,var(--pri) 0%,var(--acc-l) 100%)}
.foot__disc{
  max-width:1140px;margin:30px auto 0;padding:16px 22px 0;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.foot__copy{
  max-width:1140px;margin:0 auto;padding:8px 22px 0;
  font-size:13px;color:rgba(255,255,255,.48);
}

.fx{animation:slidein .6s cubic-bezier(.22,.7,.3,1) both}
.fx:nth-child(2){animation-delay:.07s}
.fx:nth-child(3){animation-delay:.14s}
.fx:nth-child(4){animation-delay:.21s}
.fx:nth-child(5){animation-delay:.28s}
.fx:nth-child(6){animation-delay:.35s}
@keyframes slidein{
  from{opacity:0;transform:translateX(-16px)}
  to{opacity:1;transform:translateX(0)}
}
@media (prefers-reduced-motion:reduce){
  .fx{animation:none}
}

.tbl-scroll{overflow-x:auto;box-shadow:var(--sh);border-radius:var(--r);background:var(--card)}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:14.5px}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg-alt);color:var(--pri-d);font-weight:700}
td{color:var(--txt)}
tr:last-child td{border-bottom:none}
.tbl-note{font-size:13.5px;color:var(--mut);margin-top:12px}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:34px;padding:44px 22px 48px}
  .hero__shot{max-width:280px}
  .hero h1{font-size:36px}
  .facts__in{grid-template-columns:repeat(2,1fr);gap:20px}
  .g3,.g4,.tiles,.shots{grid-template-columns:repeat(2,1fr)}
  .g2{grid-template-columns:1fr}
  .zig__row,.zig__row:nth-child(even){grid-template-columns:1fr;gap:22px}
  .zig__row:nth-child(even) .zig__txt{order:0}
  .zig__row:nth-child(even) .fig{order:0}
  .foot__in{grid-template-columns:1fr 1fr}
  .page-hero h1{font-size:30px}
}

@media (max-width:620px){
  body{font-size:15.5px}
  .top__in{flex-wrap:wrap;row-gap:8px;padding:9px 16px}
  .brand{order:1}
  .btn--top{order:2;margin-left:auto;padding:8px 14px;font-size:14px}
  .nav{order:3;flex:1 0 100%;flex-wrap:nowrap;overflow-x:auto;gap:4px}
  .nav a{padding:5px 6px;font-size:12px}
  .hero__in{padding:36px 16px 40px}
  .hero h1{font-size:29px}
  .hero__lead{font-size:15.5px}
  .hero__shot{max-width:260px}
  .page-hero__in{padding:34px 16px 36px}
  .page-hero h1{font-size:25px}
  .sec{padding:46px 0}
  .sec h2{font-size:22px}
  .facts__in{grid-template-columns:1fr;padding:22px 16px}
  .g3,.g4,.tiles,.shots,.g2{grid-template-columns:1fr}
  .wrap{padding:0 16px}
  .foot__in{grid-template-columns:1fr;gap:24px;padding:0 16px}
  .cta__in{padding:0 16px}
  .cta h2{font-size:22px}
  .step{padding:16px 18px 16px 54px}
  .step::before{left:14px;top:17px}
  .zig__row{padding:20px 18px}
  .foot__disc,.foot__copy{padding-left:16px;padding-right:16px}
}