:root{
  color-scheme:dark;
  --bg:#171320;--bg2:#1E1828;--bg3:#252030;--card:#2A2436;--card2:#332C40;
  --line:#413A50;--line2:#544C66;--deep:#100D18;
  --main:#4FBFA4;--main-l:#74D6BC;--main-d:#2F8B75;
  --aux:#D6A85A;--aux-d:#9A7530;--aux-l:#F2E3C6;
  --spot:#E6D45E;
  --txt:#EAE6F2;--txt2:#A9A2BC;--txt3:#7E7794;
  --wrap:1180px;
}
*,*::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:1.75;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--main-l);text-decoration:none}
h1,h2,h3,h4,p,ul,ol{overflow-wrap:break-word}
figure,figcaption,blockquote,dl,dd,dt,table,caption,th,td{margin:0}
table{border-collapse:collapse}
figure,figcaption,dl,blockquote{max-width:100%}
summary{list-style:none}
summary::-webkit-details-marker{display:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.top{position:sticky;top:0;z-index:60;background:rgba(23,19,32,.94);border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;gap:16px;flex-wrap:wrap;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{width:40px;height:40px;border-radius:13px}
.brand span{font-size:19px;font-weight:700;color:var(--txt);letter-spacing:.2px}
.nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.nav a{padding:8px 13px;border-radius:10px;color:var(--txt2);font-size:15px;white-space:nowrap}
.nav a:hover{color:var(--txt);background:var(--bg3)}
.nav a[aria-current="page"]{color:#0E241E;background:linear-gradient(135deg,var(--main-l),var(--main));font-weight:700}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border:0;border-radius:12px;cursor:pointer;
  background:linear-gradient(135deg,var(--main-l),var(--main-d));
  color:#0E241E;font-size:16px;font-weight:700;line-height:1.2;text-align:center;
  box-shadow:0 10px 24px rgba(79,191,164,.20);
}
.btn:hover{background:linear-gradient(135deg,#9FEBD7,var(--main));color:#0E241E}
.btn--sm{padding:9px 17px;font-size:15px}
.btn--ghost{background:transparent;border:1px solid var(--line2);color:var(--txt);box-shadow:none}
.btn--ghost:hover{background:var(--bg3);border-color:var(--main-d);color:var(--txt)}
.top .btn{color:#0E241E}
.top .btn--ghost{color:var(--txt)}
.top .btn--ghost:hover{color:var(--txt)}
.hero{padding:54px 0 26px}
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--aux);text-transform:uppercase}
.kicker::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--main);transform:skewX(-16deg)}
.hero h1{font-size:44px;line-height:1.24;margin:14px 0 18px;letter-spacing:-.4px}
.lead{font-size:17px;line-height:1.95;color:var(--txt2);margin:0 0 24px;max-width:60ch}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero__shot{display:flex;flex-direction:column;align-items:center;gap:14px}
.hero__shot img{
  width:100%;max-width:300px;height:auto;margin:0 auto;
  border-radius:20px;box-shadow:0 0 0 4px #fff,0 26px 48px rgba(0,0,0,.5);
}
.hero__shot figcaption{font-size:13.5px;color:var(--txt3);line-height:1.7;text-align:center;max-width:34ch}
.facts{display:grid;grid-template-columns:repeat(3,1fr);background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-top:44px}
.fact{padding:22px 22px;border-right:1px solid var(--line)}
.fact:last-child{border-right:0}
.fact__n{font-size:23px;font-weight:700;color:var(--main-l);line-height:1.3}
.fact__t{font-size:14.5px;color:var(--txt2);margin-top:6px;line-height:1.7}
.sec{padding:62px 0}
.sec--alt{background:var(--bg2)}
.rule{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.rule__sign{flex:0 0 auto;width:32px;height:20px;border-radius:3px;transform:skewX(-16deg);background:linear-gradient(90deg,var(--main) 0 54%,var(--aux) 54% 100%)}
.rule h2{font-size:27px;line-height:1.35;margin:0;font-weight:700}
.rule__dots{flex:1 1 auto;height:10px;background-image:radial-gradient(circle,var(--line2) 1.4px,transparent 1.6px);background-size:9px 9px;opacity:.85}
.sub{font-size:15.5px;line-height:1.85;color:var(--txt2);margin:-10px 0 28px;max-width:76ch}
.papers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.paper{position:relative;overflow:hidden;padding:28px 22px 24px;background:var(--card);border:1px solid var(--line);border-radius:16px}
.paper::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background-image:radial-gradient(circle,var(--line2) 1.3px,transparent 1.5px);background-size:8px 8px;opacity:.8}
.paper__no{position:relative;font-size:12.5px;letter-spacing:.16em;color:var(--aux);text-transform:uppercase}
.paper h3{position:relative;font-size:19px;line-height:1.45;margin:16px 0 10px}
.paper p{position:relative;font-size:15px;line-height:1.9;color:var(--txt2);margin:0}
.paper p + p{margin-top:10px}
.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.shot{margin:0;display:flex;flex-direction:column;padding:14px 14px 18px;background:var(--card);border:1px solid var(--line);border-radius:16px}
.shot__box{display:flex;justify-content:center;padding:12px;background:var(--bg3);border-radius:12px}
.shot img{width:auto;max-width:100%;height:auto;margin:0 auto;border-radius:8px}
.shot figcaption{font-size:13.5px;line-height:1.75;color:var(--txt2);margin-top:14px}
.shot__lines{display:flex;gap:6px;margin-top:auto;padding-top:12px}
.shot__lines i{height:3px;border-radius:2px;background:linear-gradient(90deg,var(--main),rgba(79,191,164,0))}
.shot__lines i:nth-child(1){width:46%}
.shot__lines i:nth-child(2){width:29%;background:linear-gradient(90deg,var(--aux),rgba(214,168,90,0))}
.shot__lines i:nth-child(3){width:16%;background:linear-gradient(90deg,var(--line2),rgba(84,76,102,0))}
.ecards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ecard{display:block;padding:26px 22px;background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:16px}
.ecard:hover{border-color:var(--main-d);background:linear-gradient(160deg,var(--card2),var(--bg3))}
.ecard__k{font-size:12.5px;letter-spacing:.14em;color:var(--aux);text-transform:uppercase}
.ecard h3{font-size:19px;line-height:1.45;margin:10px 0 8px;color:var(--txt)}
.ecard p{font-size:14.5px;line-height:1.85;color:var(--txt2);margin:0}
.ecard em{display:inline-block;margin-top:14px;font-style:normal;font-size:14px;color:var(--main-l)}
.vcards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vcard{padding:24px 22px;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--spot);border-radius:14px}
.vcard p{font-size:15px;line-height:1.9;color:var(--txt2);margin:0 0 16px}
.vcard__who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--txt3)}
.avatar{flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--main),var(--aux));color:#0E241E;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.score{margin-top:12px;font-size:14px;color:var(--spot);font-weight:700}
.score span{color:var(--txt3);font-weight:400}
.qa{margin:0 0 12px;padding:0 20px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.qa summary{display:flex;gap:12px;align-items:flex-start;padding:17px 0;font-size:16px;font-weight:600;line-height:1.6;cursor:pointer}
.qa summary::before{content:"+";flex:0 0 auto;color:var(--main-l);font-weight:700}
.qa[open] summary::before{content:"–"}
.qa summary:hover{color:var(--main-l)}
.qa p{padding:0 0 18px;margin:0;font-size:15px;line-height:1.9;color:var(--txt2)}
.qa p + p{padding-top:0}
.more{margin-top:8px;font-size:15px}
.cta{padding:64px 0;background:linear-gradient(155deg,#221B2E,#100D18 62%)}
.cta__box{text-align:center;max-width:620px;margin:0 auto}
.cta h2{font-size:29px;line-height:1.35;margin:0 0 12px}
.cta__note{font-size:15.5px;line-height:1.85;color:var(--txt2);margin:0 0 24px}
.cta .btn{color:#0E241E}
.cta .btn:hover{color:#0E241E}
.cta .btn--ghost{color:var(--txt);background:transparent}
.cta .btn--ghost:hover{color:var(--txt);background:var(--bg3)}
.foot{padding:52px 0 26px;background:var(--deep);border-top:1px solid var(--line)}
.foot__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot h3{font-size:14px;letter-spacing:.1em;color:var(--txt2);margin:0 0 14px;font-weight:600}
.foot p{font-size:14px;line-height:1.95;color:var(--txt3);margin:0 0 14px}
.foot a{display:block;padding:4px 0;color:var(--txt2);font-size:14.5px}
.foot a:hover{color:var(--main-l)}
.foot .btn{display:inline-flex;padding:9px 18px;border-radius:11px;background:linear-gradient(135deg,var(--main-l),var(--main-d));color:#0E241E;font-weight:700;font-size:15px}
.foot .btn:hover{background:linear-gradient(135deg,#9FEBD7,var(--main));color:#0E241E}
.foot__bottom{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--txt3)}
.faq-actions{margin:0 0 18px}
.lines{margin:0;padding:0;list-style:none}
.lines li{position:relative;padding:0 0 12px 20px;font-size:15px;line-height:1.9;color:var(--txt2)}
.lines li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--main);transform:skewX(-16deg)}
.steps{margin:0;padding:0;list-style:none;counter-reset:s}
.steps li{position:relative;padding:0 0 16px 46px;font-size:15.5px;line-height:1.9;color:var(--txt2)}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;border:1px solid var(--main-d);border-radius:9px;color:var(--main-l);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.steps b{color:var(--txt);font-weight:600}
.fig{max-width:340px;margin:26px auto 0}
.fig img{width:auto;max-width:100%;height:auto;margin:0 auto;border-radius:16px;box-shadow:0 0 0 4px #fff,0 20px 40px rgba(0,0,0,.45)}
.fig figcaption{font-size:13.5px;line-height:1.75;color:var(--txt3);margin-top:14px;text-align:center}
.page-hero{padding:52px 0 8px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg2),var(--bg))}
.page-hero h1{font-size:38px;line-height:1.3;margin:12px 0 16px}
.page-hero .lead{margin-bottom:26px}
.crumbs{font-size:13.5px;color:var(--txt3);margin:0 0 6px}
.crumbs a{color:var(--txt3)}
.crumbs a:hover{color:var(--main-l)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.rise{animation:shear .6s cubic-bezier(.2,.7,.3,1) both}
.rise.d1{animation-delay:.09s}
.rise.d2{animation-delay:.18s}
.rise.d3{animation-delay:.27s}
@keyframes shear{from{opacity:0;transform:translateY(10px) skewY(.6deg)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.rise{animation:none;opacity:1;transform:none}}
@media (min-width:981px){
  .papers .paper:nth-child(2){margin-top:16px}
  .papers .paper:nth-child(3){margin-top:32px}
}
@media (max-width:980px){
  .hero{padding:44px 0 20px}
  .hero__grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:36px}
  .page-hero h1{font-size:31px}
  .rule h2{font-size:23px}
  .cta h2{font-size:25px}
  .facts{grid-template-columns:1fr;margin-top:32px}
  .fact{border-right:0;border-bottom:1px solid var(--line)}
  .fact:last-child{border-bottom:0}
  .papers,.ecards,.vcards{grid-template-columns:1fr 1fr}
  .shots{grid-template-columns:1fr 1fr}
  .foot__grid{grid-template-columns:1fr 1fr;gap:26px}
  .two{grid-template-columns:1fr;gap:22px}
}
@media (max-width:620px){
  .wrap{padding:0 18px}
  .top__in{min-height:0;padding:10px 18px;gap:10px}
  .brand{order:1}
  .top .btn{order:2;margin-left:auto}
  .nav{order:3;flex:1 0 100%;margin-left:0;justify-content:center;gap:2px}
  .nav a{padding:7px 10px;font-size:14.5px}
  .hero{padding:34px 0 16px}
  .hero h1{font-size:29px}
  .lead{font-size:16px}
  .page-hero{padding:34px 0 4px}
  .page-hero h1{font-size:26px}
  .rule{gap:12px;margin-bottom:20px}
  .rule h2{font-size:21px}
  .sub{margin:-8px 0 22px}
  .sec{padding:44px 0}
  .cta{padding:48px 0}
  .cta h2{font-size:22px}
  .papers,.ecards,.vcards,.shots{grid-template-columns:1fr;gap:16px}
  .paper{padding:24px 18px 20px}
  .foot__grid{grid-template-columns:1fr;gap:24px}
  .foot{padding:40px 0 22px}
  .btn{padding:11px 18px;font-size:15.5px}
  .hero__shot img{max-width:262px}
}