/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --sk-night:#0A0B12;
  --sk-night-2:#101223;
  --sk-night-3:#171A2E;
  --sk-line:rgba(255,255,255,.08);
  --sk-line-2:rgba(255,255,255,.18);
  --sk-ink:#E9EAF2;
  --sk-ink-2:#A6A9C0;
  --sk-primary:#6E4BF2;
  --sk-primary-2:#9B7BFF;
  --sk-accent:#F0B24A;
  --sk-mint:#57D9C0;
  --sk-danger:#D0605E;
  --sk-r-card:16px;
  --sk-r-btn:10px;
  --sk-r-img:14px;
  --sk-r-input:10px;
  --sk-r-badge:999px;
  --sk-sidebar-w:236px;
  --sk-sec:88px;
  --sk-ease:cubic-bezier(.2,.7,.2,1);
  --sk-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sk-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--sk-night);color:var(--sk-ink);
  font-family:var(--sk-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border-radius:var(--sk-r-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--sk-primary-2);outline-offset:2px;border-radius:4px}
::selection{background:rgba(110,75,242,.4)}
.sk-container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
.sk-serif{font-family:var(--sk-serif);font-weight:600;letter-spacing:.01em;line-height:1.18}

/* ============ 顶部条（移动） ============ */
.sk-topbar{
  position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;background:rgba(10,11,18,.94);
  border-bottom:1px solid var(--sk-line);backdrop-filter:blur(10px);
}
.sk-topbar__brand{display:flex;align-items:baseline;gap:6px}
.sk-topbar__brand b{font-family:var(--sk-serif);font-size:19px;font-weight:600;letter-spacing:.04em}
.sk-topbar__brand i{font-style:normal;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--sk-ink-2)}
.sk-burger{width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;align-items:flex-end;gap:5px}
.sk-burger span{display:block;height:1.5px;background:var(--sk-ink);border-radius:2px;transition:transform .26s var(--sk-ease),opacity .2s}
.sk-burger span:nth-child(1){width:22px}
.sk-burger span:nth-child(2){width:15px}
.sk-burger span:nth-child(3){width:19px}
.sk-burger.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);width:22px}
.sk-burger.is-open span:nth-child(2){opacity:0}
.sk-burger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);width:22px}

/* ============ 左侧竖向导航 ============ */
.sk-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sk-sidebar-w);z-index:80;
  display:flex;flex-direction:column;
  padding:26px 16px 22px;background:#0C0E1A;
  border-right:1px solid var(--sk-line);
  transform:translateX(-101%);transition:transform .3s var(--sk-ease);
  overflow-y:auto;
}
.sk-sidebar.is-open{transform:translateX(0)}
.sk-sidebar::-webkit-scrollbar{width:4px}
.sk-sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:4px}
.sk-brand{display:block;padding:6px 10px 22px;border-bottom:1px solid var(--sk-line);margin-bottom:18px}
.sk-brand__cn{display:block;font-family:var(--sk-serif);font-size:24px;font-weight:600;letter-spacing:.1em;color:#fff}
.sk-brand__en{display:block;font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--sk-ink-2);margin-top:4px}
.sk-nav{display:flex;flex-direction:column;gap:2px}
.sk-nav__item{
  position:relative;display:flex;align-items:center;height:46px;padding:0 12px;
  font-size:14.5px;color:var(--sk-ink-2);border-radius:8px;
  transition:background .2s var(--sk-ease),color .2s var(--sk-ease),transform .2s var(--sk-ease);
}
.sk-nav__item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:2px;height:20px;background:var(--sk-primary);border-radius:2px;
  transition:transform .2s var(--sk-ease);
}
.sk-nav__item:hover{background:rgba(255,255,255,.05);color:#fff;transform:translateX(2px)}
.sk-nav__item.is-active{background:rgba(110,75,242,.13);color:#fff}
.sk-nav__item.is-active::before{transform:translateY(-50%) scaleY(1)}
.sk-sidebar__foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--sk-line)}
.sk-sidebar__contact{font-size:12.5px;color:var(--sk-ink-2);margin-top:12px;line-height:1.7}
.sk-sidebar__contact b{color:var(--sk-ink);font-weight:500;letter-spacing:.03em}
.sk-mask{
  position:fixed;inset:0;background:rgba(4,5,10,.6);z-index:75;
  opacity:0;visibility:hidden;transition:opacity .28s var(--sk-ease),visibility .28s;
}
.sk-mask.is-open{opacity:1;visibility:visible}

/* ============ 壳层 ============ */
.sk-shell{margin-left:0;padding-top:56px}
.sk-main{display:block}
.sk-sec{padding:var(--sk-sec) 0}
.sk-sec--tight{padding:56px 0}
.sk-sec--alt{background:var(--sk-night-2)}
@media (min-width:768px){
  .sk-sec{--sk-sec:64px}
}
@media (min-width:1024px){
  .sk-topbar{display:none}
  .sk-shell{margin-left:var(--sk-sidebar-w);padding-top:0}
  .sk-sidebar{transform:none}
  .sk-mask{display:none}
  .sk-sec{padding:88px 0}
}

/* ============ 通用标题 ============ */
.sk-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--sk-ink-2);margin-bottom:14px;
}
.sk-h2{font-family:var(--sk-serif);font-weight:500;font-size:clamp(22px,2.6vw,34px);line-height:1.25;color:#fff}
.sk-lead{color:var(--sk-ink-2);font-size:16px;line-height:1.85;margin-top:16px;max-width:62ch}
.sk-sechead{margin-bottom:44px;display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between}
.sk-sechead__link{font-size:14px;color:var(--sk-primary-2);border-bottom:1px solid transparent;transition:border-color .2s}
.sk-sechead__link:hover{border-color:var(--sk-primary-2)}
.sk-divider{height:1px;background:var(--sk-line);border:0;margin:0}

/* ============ 按钮 ============ */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--sk-r-btn);
  font-size:15px;font-weight:500;letter-spacing:.02em;white-space:nowrap;
  transition:background .2s var(--sk-ease),color .2s var(--sk-ease),
             border-color .2s var(--sk-ease),transform .2s var(--sk-ease),box-shadow .2s;
}
.sk-btn--primary{background:var(--sk-primary);color:#fff}
.sk-btn--primary:hover{background:var(--sk-primary-2);transform:translateY(-1px)}
.sk-btn--primary:active{transform:translateY(1px)}
.sk-btn--ghost{border:1px solid var(--sk-line-2);color:var(--sk-ink)}
.sk-btn--ghost:hover{border-color:var(--sk-primary);color:var(--sk-primary-2);transform:translateY(-1px)}
.sk-btn--gold{background:var(--sk-accent);color:#1A1206;font-weight:700}
.sk-btn--gold:hover{background:#F7C468;transform:translateY(-1px)}
.sk-btn--block{width:100%}
.sk-btn--sm{height:40px;padding:0 18px;font-size:14px}

/* ============ 徽章 / 标签 ============ */
.sk-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--sk-r-badge);font-size:12px;letter-spacing:.06em;
  background:rgba(110,75,242,.16);color:var(--sk-primary-2);
}
.sk-badge--gold{background:rgba(240,178,74,.15);color:var(--sk-accent)}
.sk-badge--mint{background:rgba(87,217,192,.14);color:var(--sk-mint)}
.sk-badge--line{background:transparent;border:1px solid var(--sk-line-2);color:var(--sk-ink-2)}

/* ============ Hero ============ */
.sk-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--sk-line)}
.sk-hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center 40%;
  filter:saturate(.95);
}
.sk-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,7,14,.96) 0%,rgba(6,7,14,.88) 38%,rgba(6,7,14,.55) 70%,rgba(6,7,14,.32) 100%);
}
.sk-hero__inner{position:relative;z-index:2;padding:88px 24px 72px}
.sk-hero__title{
  font-family:var(--sk-serif);font-weight:600;
  font-size:clamp(28px,4.4vw,56px);line-height:1.18;color:#fff;
  max-width:19ch;margin-top:20px;
}
.sk-hero__sub{font-size:clamp(16px,1.5vw,19px);color:var(--sk-ink);margin-top:20px;max-width:34ch;line-height:1.6}
.sk-hero__desc{color:var(--sk-ink-2);font-size:15.5px;line-height:1.85;margin-top:18px;max-width:56ch}
.sk-hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.sk-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:52px;padding-top:32px;border-top:1px solid var(--sk-line)}
.sk-stat{min-width:120px}
.sk-stat__num{
  font-family:var(--sk-serif);font-size:clamp(28px,3vw,40px);font-weight:700;
  color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.01em;line-height:1;
}
.sk-stat__unit{font-size:15px;color:var(--sk-accent);margin-left:4px;font-weight:500}
.sk-stat__label{display:block;font-size:13px;color:var(--sk-ink-2);margin-top:10px}

/* ============ 卡片网格 ============ */
.sk-cardgrid{margin-left:-10px;margin-right:-10px}
.sk-cardgrid > .cell{padding-left:10px;padding-right:10px;margin-bottom:20px}
.sk-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--sk-night-2);border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);overflow:hidden;
  transition:transform .24s var(--sk-ease),border-color .24s var(--sk-ease),box-shadow .24s var(--sk-ease);
}
.sk-card:hover{transform:translateY(-2px);border-color:var(--sk-line-2);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.sk-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:0}
.sk-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .32s var(--sk-ease)}
.sk-card:hover .sk-card__media img{transform:scale(1.03)}
.sk-card__media .sk-badge{position:absolute;left:12px;top:12px;backdrop-filter:blur(6px)}
.sk-card__body{padding:20px;display:flex;flex-direction:column;flex:1}
.sk-card__title{
  font-size:17px;font-weight:700;line-height:1.45;color:#fff;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s;
}
.sk-card:hover .sk-card__title{color:var(--sk-primary-2)}
.sk-card__desc{
  font-size:14px;color:var(--sk-ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.sk-card__foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--sk-ink-2);border-top:1px solid var(--sk-line);margin-top:16px;
}
.sk-card__foot span:last-child{color:var(--sk-primary-2);letter-spacing:.1em}

/* ============ 空态 ============ */
.sk-empty{
  min-height:180px;border:1px dashed var(--sk-line-2);border-radius:var(--sk-r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:36px 20px;background:rgba(255,255,255,.01);
}
.sk-empty__icon{font-size:26px;color:var(--sk-primary-2);line-height:1}
.sk-empty p{color:var(--sk-ink-2);font-size:15px}

/* ============ 能力横条 ============ */
.sk-ability{display:grid;gap:20px;grid-template-columns:1fr}
.sk-ability__item{
  padding:26px 22px;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0));
  transition:border-color .24s var(--sk-ease),transform .24s var(--sk-ease);
}
.sk-ability__item:hover{border-color:var(--sk-primary);transform:translateY(-2px)}
.sk-ability__idx{font-size:12px;letter-spacing:.16em;color:var(--sk-accent);font-variant-numeric:tabular-nums}
.sk-ability__title{font-size:17px;font-weight:700;color:#fff;margin:14px 0 10px}
.sk-ability__text{font-size:14.5px;color:var(--sk-ink-2);line-height:1.8}
@media (min-width:768px){.sk-ability{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.sk-ability{grid-template-columns:repeat(4,1fr)}}

/* ============ 优惠阶梯 ============ */
.sk-ladder{display:flex;flex-direction:column;gap:20px}
.sk-ladder__item{
  position:relative;display:flex;flex-direction:column;
  padding:26px 22px;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  background:var(--sk-night-2);
  transition:border-color .24s var(--sk-ease),transform .24s var(--sk-ease),background .24s;
}
.sk-ladder__item:hover{border-color:var(--sk-line-2);transform:translateY(-2px)}
.sk-ladder__tier{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--sk-ink-2)}
.sk-ladder__name{font-family:var(--sk-serif);font-size:24px;font-weight:600;color:#fff;margin:10px 0 6px}
.sk-ladder__price{font-variant-numeric:tabular-nums;font-weight:700;font-size:30px;color:var(--sk-accent);line-height:1.2}
.sk-ladder__price small{font-size:13px;color:var(--sk-ink-2);font-weight:400;margin-left:6px}
.sk-ladder__list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px}
.sk-ladder__list li{position:relative;padding-left:18px;font-size:14px;color:var(--sk-ink-2);line-height:1.7}
.sk-ladder__list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--sk-primary);box-shadow:0 0 0 3px rgba(110,75,242,.15);
}
.sk-ladder__item .sk-btn{margin-top:auto}
.sk-ladder__item--rec{
  border-color:var(--sk-primary);background:#131634;
  box-shadow:0 0 0 1px rgba(110,75,242,.25);
}
.sk-ladder__tag{
  position:absolute;top:-11px;right:18px;height:24px;padding:0 12px;display:inline-flex;align-items:center;
  border-radius:var(--sk-r-badge);background:var(--sk-accent);color:#1A1206;font-size:12px;font-weight:700;
}
@media (min-width:1024px){
  .sk-ladder{flex-direction:row;align-items:flex-end}
  .sk-ladder__item{flex:1;min-height:300px}
  .sk-ladder__item:nth-child(2){min-height:345px}
  .sk-ladder__item:nth-child(3){min-height:392px}
  .sk-ladder__item:nth-child(4){min-height:362px}
}

/* ============ 套餐对比 ============ */
.sk-compare{display:none}
.sk-compare-m{display:flex;flex-direction:column;gap:20px}
.sk-compare-m__card{
  border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  background:var(--sk-night-2);padding:24px 20px;
}
.sk-compare-m__card.is-rec{border-color:var(--sk-primary);background:#131634}
.sk-compare-m__name{font-family:var(--sk-serif);font-size:22px;color:#fff;font-weight:600}
.sk-compare-m__price{font-variant-numeric:tabular-nums;font-weight:700;color:var(--sk-accent);font-size:26px;margin:10px 0 18px}
.sk-compare-m__row{
  display:flex;justify-content:space-between;gap:14px;padding:11px 0;
  border-bottom:1px solid var(--sk-line);font-size:14px;
}
.sk-compare-m__row:last-of-type{border-bottom:0}
.sk-compare-m__row dt{color:var(--sk-ink-2)}
.sk-compare-m__row dd{margin:0;color:var(--sk-ink);text-align:right}
.sk-compare-m .sk-btn{margin-top:20px}
@media (min-width:1024px){
  .sk-compare{
    display:grid;grid-template-columns:170px repeat(3,1fr);
    border:1px solid var(--sk-line);border-radius:var(--sk-r-card);overflow:hidden;
    background:var(--sk-night-2);
  }
  .sk-compare-m{display:none}
  .sk-compare__corner,.sk-compare__head,.sk-compare__label,.sk-compare__val{
    padding:18px 20px;border-bottom:1px solid var(--sk-line);
  }
  .sk-compare__head{
    background:rgba(255,255,255,.02);text-align:left;
  }
  .sk-compare__head h3{font-size:18px;font-weight:700;color:#fff}
  .sk-compare__head .sk-price{font-variant-numeric:tabular-nums;font-weight:700;color:var(--sk-accent);font-size:22px;margin-top:8px}
  .sk-compare__head .sk-note{font-size:12.5px;color:var(--sk-ink-2);margin-top:4px}
  .sk-compare__head--rec{background:rgba(110,75,242,.12);position:relative}
  .sk-compare__head--rec::before{
    content:"推荐";position:absolute;top:0;right:0;padding:2px 12px;
    font-size:11px;background:var(--sk-accent);color:#1A1206;font-weight:700;border-bottom-left-radius:10px;
  }
  .sk-compare__label{font-size:13.5px;color:var(--sk-ink-2);background:rgba(255,255,255,.01)}
  .sk-compare__val{font-size:14.5px;color:var(--sk-ink);position:relative;padding-left:32px}
  .sk-compare__val.is-key::before{
    content:"";position:absolute;left:18px;top:1.5em;width:6px;height:6px;border-radius:50%;background:var(--sk-accent);
  }
  .sk-compare__val.is-off{color:rgba(166,169,192,.55)}
  .sk-compare__val--rec{background:rgba(110,75,242,.06)}
  .sk-compare .sk-compare__last{border-bottom:0}
}

/* ============ 限时条 ============ */
.sk-flash{
  position:relative;overflow:hidden;border-top:1px solid var(--sk-line);border-bottom:1px solid var(--sk-line);
  background:
    linear-gradient(90deg,rgba(10,11,18,.95),rgba(16,18,35,.95)),
    repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 32px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 32px);
}
.sk-flash__inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;
  padding:28px 24px;justify-content:space-between;
}
.sk-flash__clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.sk-flash__unit{
  min-width:56px;text-align:center;padding:8px 6px;border:1px solid var(--sk-line);
  border-radius:10px;background:rgba(0,0,0,.35);
}
.sk-flash__unit b{display:block;font-family:var(--sk-serif);font-size:26px;color:var(--sk-accent);line-height:1.1}
.sk-flash__unit span{display:block;font-size:11px;color:var(--sk-ink-2);letter-spacing:.1em;margin-top:4px}
.sk-flash__colon{color:var(--sk-accent);font-size:22px;font-weight:700;opacity:.7}
.sk-flash__text{flex:1;min-width:220px}
.sk-flash__text h3{font-size:17px;font-weight:700;color:#fff}
.sk-flash__text p{font-size:14px;color:var(--sk-ink-2);margin-top:6px}

/* ============ 评价 ============ */
.sk-quotes{display:grid;gap:20px;grid-template-columns:1fr}
.sk-quote{
  padding:26px 22px;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  background:var(--sk-night-2);display:flex;flex-direction:column;
}
.sk-quote__mark{font-family:var(--sk-serif);font-size:34px;color:var(--sk-primary);line-height:1;opacity:.7}
.sk-quote__text{font-size:15px;color:var(--sk-ink);line-height:1.85;margin:14px 0 20px}
.sk-quote__who{display:flex;align-items:center;gap:12px;margin-top:auto}
.sk-quote__avatar{width:40px;height:40px;border-radius:50%;object-fit:cover}
.sk-quote__meta strong{display:block;font-size:14px;color:#fff;font-weight:500}
.sk-quote__meta span{font-size:12.5px;color:var(--sk-ink-2)}
@media (min-width:768px){.sk-quotes{grid-template-columns:repeat(3,1fr)}}

/* ============ FAQ ============ */
.sk-faq{border-top:1px solid var(--sk-line)}
.sk-faq__item{border-bottom:1px solid var(--sk-line)}
.sk-faq__q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:700;color:var(--sk-ink);
  transition:color .2s var(--sk-ease);min-height:44px;
}
.sk-faq__q:hover{color:var(--sk-primary-2)}
.sk-faq__sign{
  flex:0 0 auto;width:22px;height:22px;position:relative;margin-top:4px;
  transition:transform .24s var(--sk-ease);
}
.sk-faq__sign::before,.sk-faq__sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--sk-primary-2);border-radius:2px;
  transform:translate(-50%,-50%);
}
.sk-faq__sign::before{width:14px;height:1.5px}
.sk-faq__sign::after{width:1.5px;height:14px;transition:opacity .24s var(--sk-ease)}
.sk-faq__item.is-open .sk-faq__sign{transform:rotate(180deg)}
.sk-faq__item.is-open .sk-faq__sign::after{opacity:0}
.sk-faq__a{overflow:hidden;max-height:0;transition:max-height .28s var(--sk-ease)}
.sk-faq__a p{padding:0 40px 22px 0;font-size:15px;color:var(--sk-ink-2);line-height:1.85;max-width:78ch}

/* ============ 表单 ============ */
.sk-formwrap{display:grid;gap:32px;grid-template-columns:1fr}
.sk-form{
  background:var(--sk-night-2);border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);padding:26px 22px;
}
.sk-field{margin-bottom:18px}
.sk-field label{display:block;font-size:13px;color:var(--sk-ink-2);margin-bottom:8px;letter-spacing:.02em}
.sk-field input[type="text"],
.sk-field input[type="tel"],
.sk-field select,
.sk-field textarea{
  width:100%;height:48px;padding:0 14px;background:var(--sk-night-3);
  border:1px solid var(--sk-line);border-radius:var(--sk-r-input);color:var(--sk-ink);
  transition:border-color .2s var(--sk-ease),box-shadow .2s var(--sk-ease);
  appearance:none;
}
.sk-field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical}
.sk-field select{background-image:linear-gradient(45deg,transparent 50%,var(--sk-ink-2) 50%),linear-gradient(135deg,var(--sk-ink-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.sk-field input:focus,.sk-field select:focus,.sk-field textarea:focus{
  border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.28);outline:none;
}
.sk-form .sk-btn{margin-top:12px}
.sk-trust{display:flex;flex-direction:column;gap:16px}
.sk-trust__item{display:flex;gap:12px;align-items:flex-start}
.sk-trust__icon{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(110,75,242,.15);color:var(--sk-primary-2);font-size:15px;
}
.sk-trust__item strong{display:block;font-size:14.5px;color:#fff;font-weight:500}
.sk-trust__item span{font-size:13.5px;color:var(--sk-ink-2);line-height:1.7}
@media (min-width:1024px){.sk-formwrap{grid-template-columns:1.5fr 1fr;gap:44px}}

/* ============ CTA 通栏 ============ */
.sk-cta{
  border:1px solid var(--sk-line);border-radius:var(--sk-r-card);overflow:hidden;
  background:linear-gradient(120deg,#141735 0%,#0E1024 60%,#0A0B12 100%);
  padding:44px 26px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.sk-cta h2{font-family:var(--sk-serif);font-size:clamp(22px,2.4vw,30px);font-weight:600;color:#fff;max-width:22ch}
.sk-cta p{color:var(--sk-ink-2);font-size:15px;margin-top:12px;max-width:48ch}
.sk-cta__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.sk-footer{background:#080910;border-top:1px solid var(--sk-line);margin-top:88px}
.sk-footer__grid{
  display:grid;grid-template-columns:1fr;gap:34px;padding:56px 24px 40px;
  max-width:1320px;margin:0 auto;
}
.sk-footer__brand b{display:block;font-family:var(--sk-serif);font-size:22px;font-weight:600;color:#fff;letter-spacing:.08em}
.sk-footer__brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--sk-ink-2);margin-top:4px}
.sk-footer__brand p{font-size:13.5px;color:var(--sk-ink-2);line-height:1.8;margin-top:16px;max-width:34ch}
.sk-footer h4{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--sk-ink-2);font-weight:500;margin-bottom:16px}
.sk-footer__list{display:flex;flex-direction:column;gap:11px}
.sk-footer__list a{font-size:14px;color:var(--sk-ink);opacity:.78;transition:opacity .2s,color .2s}
.sk-footer__list a:hover{opacity:1;color:var(--sk-primary-2)}
.sk-footer__contact li{font-size:14px;color:var(--sk-ink-2);line-height:1.8}
.sk-footer__contact b{color:var(--sk-ink);font-weight:500}
.sk-sub{display:flex;gap:10px;margin-top:14px}
.sk-sub input{
  flex:1;height:44px;padding:0 14px;background:var(--sk-night-3);
  border:1px solid var(--sk-line);border-radius:var(--sk-r-input);color:var(--sk-ink);
}
.sk-sub input:focus{border-color:var(--sk-primary);outline:none;box-shadow:0 0 0 2px rgba(110,75,242,.28)}
.sk-footer__bottom{
  border-top:1px solid var(--sk-line);padding:20px 24px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--sk-ink-2);max-width:1320px;margin:0 auto;
}
@media (min-width:768px){.sk-footer__grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.sk-footer__grid{grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px}}

/* ============ 动效 ============ */
.sk-reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--sk-ease),transform .5s var(--sk-ease)}
.sk-reveal.is-in{opacity:1;transform:none}
.sk-starfield{position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(1px 1px at 20% 30%,#fff,transparent),
                   radial-gradient(1px 1px at 62% 18%,#fff,transparent),
                   radial-gradient(1px 1px at 80% 62%,#fff,transparent),
                   radial-gradient(1px 1px at 38% 78%,#fff,transparent),
                   radial-gradient(1px 1px at 12% 66%,#fff,transparent);
  animation:sktwinkle 6s ease-in-out infinite;
}
@keyframes sktwinkle{0%,100%{opacity:.05}50%{opacity:.09}}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .sk-reveal{opacity:1;transform:none}
}
@media (max-width:520px){
  .sk-container{padding:0 18px}
  .sk-hero__inner{padding:60px 18px 52px}
  .sk-btn{width:100%}
  .sk-hero__cta .sk-btn,.sk-cta__actions .sk-btn{width:100%}
  .sk-flash__unit{min-width:48px}
}

/* roulang page: article */
:root{
  --sk-night:#0A0B12;
  --sk-night-2:#101223;
  --sk-night-3:#171A2E;
  --sk-line:rgba(255,255,255,.08);
  --sk-line-2:rgba(255,255,255,.16);
  --sk-ink:#E9EAF2;
  --sk-ink-2:#A6A9C0;
  --sk-ink-3:#7A7E96;
  --sk-primary:#6E4BF2;
  --sk-primary-2:#9B7BFF;
  --sk-accent:#F0B24A;
  --sk-mint:#57D9C0;
  --sk-footer:#080910;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:14px;
  --r-pill:999px;
  --serif:"Noto Serif SC","Source Han Serif SC",serif;
  --sans:"Noto Sans SC","Source Han Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --nav-w:236px;
  --shadow-hover:0 12px 32px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--sk-night);
  color:var(--sk-ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.005em;
  background-image:linear-gradient(180deg,rgba(110,75,242,.055),rgba(10,11,18,0) 620px);
  background-repeat:no-repeat;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--sk-primary-2);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--sk-primary-2);}
p{margin:0 0 18px;}
h1,h2,h3,h4,h5,h6{font-family:var(--serif);color:var(--sk-ink);font-weight:600;margin:0;line-height:1.22;letter-spacing:.01em;}
ul,ol{padding-left:20px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--sk-primary-2);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(110,75,242,.4);color:#fff;}

/* ---------- 布局壳层 ---------- */
.sk-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:linear-gradient(180deg,#0C0E1B 0%,#0A0B12 100%);
  border-right:1px solid var(--sk-line);
  display:flex;flex-direction:column;
  padding:30px 22px 24px;
  z-index:60;
}
.sk-side__brand{display:block;padding:0 6px 24px;border-bottom:1px solid var(--sk-line);margin-bottom:24px;}
.sk-brand{display:inline-flex;flex-direction:column;gap:2px;text-decoration:none;}
.sk-brand b{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--sk-ink);letter-spacing:.06em;}
.sk-brand i{font-style:normal;font-size:11px;letter-spacing:.34em;color:var(--sk-ink-3);text-transform:uppercase;}
.sk-nav{display:flex;flex-direction:column;gap:4px;}
.sk-nav__item{
  position:relative;display:flex;align-items:center;height:46px;padding:0 12px;
  font-size:14.5px;color:var(--sk-ink-2);border-radius:8px;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.sk-nav__item::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:2px;border-radius:2px;
  background:transparent;transition:background .2s var(--ease);
}
.sk-nav__item:hover{background:rgba(255,255,255,.05);color:#fff;transform:translateX(2px);}
.sk-nav__item.is-active{background:rgba(110,75,242,.13);color:#fff;}
.sk-nav__item.is-active::before{background:var(--sk-primary);}
.sk-side__foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--sk-line);}
.sk-side__foot p{font-size:12.5px;color:var(--sk-ink-3);line-height:1.7;margin:12px 0 0;}
.sk-side__foot p b{color:var(--sk-ink-2);font-weight:500;}

.sk-topbar{display:none;}
.sk-scrim{display:none;}

.sk-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.sk-container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.sk-btn--primary{background:var(--sk-primary);color:#fff;}
.sk-btn--primary:hover{background:var(--sk-primary-2);color:#fff;transform:translateY(-1px);}
.sk-btn--primary:active{transform:translateY(1px);}
.sk-btn--ghost{background:transparent;color:var(--sk-ink);border-color:var(--sk-line-2);}
.sk-btn--ghost:hover{border-color:var(--sk-primary);color:var(--sk-primary-2);}
.sk-btn--sm{height:40px;padding:0 18px;font-size:13.5px;}
.sk-btn--block{width:100%;}
.sk-btn:focus-visible{outline:2px solid var(--sk-primary-2);outline-offset:2px;}

.sk-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.06em;background:rgba(110,75,242,.16);color:var(--sk-primary-2);
  border:1px solid rgba(110,75,242,.3);
}
.sk-pill--gold{background:rgba(240,178,74,.12);color:var(--sk-accent);border-color:rgba(240,178,74,.3);}

/* ---------- 面包屑 ---------- */
.sk-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--sk-ink-3);margin-bottom:24px;}
.sk-crumbs a{color:var(--sk-ink-3);}
.sk-crumbs a:hover{color:var(--sk-primary-2);}
.sk-crumbs span.sep{color:var(--sk-ink-3);opacity:.6;}
.sk-crumbs .cur{color:#fff;}

/* ---------- 文章区 ---------- */
.sk-article{padding:72px 0 0;}
.sk-article__head{max-width:860px;}
.sk-article__title{
  font-size:clamp(28px,4vw,46px);line-height:1.18;font-weight:600;letter-spacing:.005em;
}
.sk-article__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--sk-ink-3);margin-top:22px;
}
.sk-article__meta .dot{width:3px;height:3px;border-radius:50%;background:var(--sk-ink-3);opacity:.7;}
.sk-article__lead{
  font-size:17px;color:var(--sk-ink-2);line-height:1.9;margin-top:26px;max-width:760px;
  padding-left:18px;border-left:2px solid rgba(110,75,242,.55);
}
.sk-article__hero{margin-top:36px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--sk-line);}
.sk-article__hero img{width:100%;aspect-ratio:16/9;object-fit:cover;}

.sk-article-wrap{
  display:grid;grid-template-columns:minmax(0,760px) minmax(170px,220px);
  gap:56px;justify-content:center;margin-top:56px;
}
.sk-article__body{
  font-size:16px;line-height:1.9;color:var(--sk-ink-2);min-width:0;
}
.sk-article__body p{margin:0 0 20px;}
.sk-article__body h2{
  font-size:clamp(20px,2.4vw,27px);color:var(--sk-ink);font-weight:600;
  margin:52px 0 18px;padding-left:15px;position:relative;line-height:1.35;
}
.sk-article__body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--sk-primary);
}
.sk-article__body h3{font-size:18px;color:var(--sk-ink);font-weight:600;margin:34px 0 14px;}
.sk-article__body strong{color:var(--sk-ink);font-weight:700;}
.sk-article__body a{color:var(--sk-primary-2);text-decoration:underline;text-underline-offset:3px;}
.sk-article__body ul,.sk-article__body ol{margin:0 0 20px;padding-left:22px;}
.sk-article__body li{margin-bottom:10px;}
.sk-article__body blockquote{
  margin:26px 0;padding:18px 24px;background:var(--sk-night-2);
  border-left:3px solid var(--sk-primary);border-radius:0 12px 12px 0;color:var(--sk-ink);
}
.sk-article__body blockquote p:last-child{margin-bottom:0;}
.sk-article__body img{border-radius:12px;margin:26px 0;width:100%;}
.sk-article__body figure{margin:26px 0;}
.sk-article__body figcaption{font-size:13px;color:var(--sk-ink-3);text-align:center;margin-top:10px;}
.sk-article__body hr{border:0;border-top:1px solid var(--sk-line);margin:40px 0;}
.sk-article__body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.sk-article__body th,.sk-article__body td{
  padding:12px 14px;border-bottom:1px solid var(--sk-line);text-align:left;
}
.sk-article__body th{color:var(--sk-ink);font-weight:600;background:var(--sk-night-2);}
.sk-article__body code{background:var(--sk-night-3);padding:2px 6px;border-radius:6px;font-size:14px;}

/* ---------- 目录 ---------- */
.sk-toc{position:relative;}
.sk-toc__inner{position:sticky;top:32px;}
.sk-toc h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--sk-ink-3);font-family:var(--sans);font-weight:500;margin-bottom:16px;}
.sk-toc__list{list-style:none;padding:0;margin:0;border-left:1px solid var(--sk-line);}
.sk-toc__list li{margin:0;}
.sk-toc__list a{
  display:block;padding:8px 0 8px 14px;font-size:13.5px;color:var(--sk-ink-3);
  border-left:1px solid transparent;margin-left:-1px;line-height:1.6;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.sk-toc__list a:hover{color:var(--sk-ink);}
.sk-toc__list a.is-current{color:var(--sk-primary-2);border-left-color:var(--sk-primary);}

/* ---------- 标签 ---------- */
.sk-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:48px;}
.sk-tags a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--sk-ink-2);border:1px solid var(--sk-line);background:var(--sk-night-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.sk-tags a:hover{border-color:var(--sk-primary);color:var(--sk-primary-2);transform:translateY(-1px);}

/* ---------- 板块通用 ---------- */
.sk-section{padding:88px 0 0;}
.sk-section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px;}
.sk-section__head h2{font-size:clamp(22px,2.6vw,32px);font-weight:500;}
.sk-section__head p{font-size:14.5px;color:var(--sk-ink-3);margin:10px 0 0;max-width:620px;}
.sk-more{font-size:14px;color:var(--sk-ink-2);display:inline-flex;align-items:center;gap:8px;}
.sk-more:hover{color:var(--sk-primary-2);}

/* ---------- 卡片 ---------- */
.sk-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--sk-night-2);border:1px solid var(--sk-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.sk-card:hover{transform:translateY(-2px);border-color:var(--sk-line-2);box-shadow:var(--shadow-hover);}
.sk-card__media{position:relative;overflow:hidden;aspect-ratio:16/9;}
.sk-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.sk-card:hover .sk-card__media img{transform:scale(1.03);}
.sk-card__media .sk-pill{position:absolute;left:14px;top:14px;background:rgba(10,11,18,.72);backdrop-filter:blur(2px);}
.sk-card__body{padding:20px;display:flex;flex-direction:column;flex:1;}
.sk-card__body h3{font-family:var(--sans);font-size:17px;font-weight:700;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.sk-card__body h3 a{color:var(--sk-ink);}
.sk-card:hover .sk-card__body h3 a{color:var(--sk-primary-2);}
.sk-card__body p{font-size:14px;color:var(--sk-ink-3);line-height:1.75;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.sk-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--sk-ink-3);}
.sk-card__foot i{transition:transform .24s var(--ease);}
.sk-card:hover .sk-card__foot i{transform:translateX(3px);color:var(--sk-primary-2);}
.sk-card--active .sk-card__body h3 a{color:var(--sk-primary-2);}

.sk-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.sk-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}

/* ---------- 空态 ---------- */
.sk-empty{
  border:1px dashed var(--sk-line-2);border-radius:var(--r-card);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px;background:rgba(16,18,35,.5);
}
.sk-empty i{font-size:26px;color:var(--sk-ink-3);}
.sk-empty p{color:var(--sk-ink-2);margin:0;font-size:15px;}

/* ---------- CTA 通栏 ---------- */
.sk-cta{
  margin-top:88px;border-radius:var(--r-card);border:1px solid var(--sk-line);
  background:linear-gradient(90deg,rgba(110,75,242,.16),rgba(16,18,35,.9) 62%),var(--sk-night-2);
  padding:44px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.sk-cta h2{font-size:clamp(21px,2.4vw,28px);font-weight:500;max-width:620px;}
.sk-cta p{margin:12px 0 0;font-size:14.5px;color:var(--sk-ink-2);}
.sk-cta__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 表单 ---------- */
.sk-form{background:var(--sk-night-2);border:1px solid var(--sk-line);border-radius:var(--r-card);padding:28px;}
.sk-form__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.sk-field{display:flex;flex-direction:column;gap:8px;}
.sk-field--full{grid-column:1 / -1;}
.sk-field label{font-size:13px;color:var(--sk-ink-2);}
.sk-field input,.sk-field select,.sk-field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  background:var(--sk-night-3);border:1px solid var(--sk-line);color:var(--sk-ink);
  font-size:14.5px;font-family:inherit;line-height:1.5;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sk-field textarea{height:auto;min-height:118px;padding:12px 14px;resize:vertical;}
.sk-field input::placeholder,.sk-field textarea::placeholder{color:var(--sk-ink-3);}
.sk-field input:focus,.sk-field select:focus,.sk-field textarea:focus{
  outline:none;border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.3);
}
.sk-form__submit{margin-top:14px;}
.sk-form__tips{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:12px;}
.sk-form__tips li{display:flex;gap:10px;font-size:13.5px;color:var(--sk-ink-2);line-height:1.7;}
.sk-form__tips i{color:var(--sk-primary-2);margin-top:4px;}
.sk-form-wrap{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:32px;align-items:start;}

/* ---------- 页脚 ---------- */
.sk-footer{
  margin-top:110px;background:var(--sk-footer);border-top:1px solid var(--sk-line);
  padding:64px 0 0;
}
.sk-footer__grid{
  max-width:1320px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;
}
.sk-footer__brand b{font-family:var(--serif);font-size:20px;letter-spacing:.06em;display:block;}
.sk-footer__brand i{font-style:normal;font-size:11px;letter-spacing:.32em;color:var(--sk-ink-3);text-transform:uppercase;display:block;margin-top:4px;}
.sk-footer__brand p{font-size:13.5px;color:var(--sk-ink-2);line-height:1.85;margin:16px 0 0;max-width:300px;}
.sk-footer h4{font-family:var(--sans);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--sk-ink-3);font-weight:500;margin-bottom:18px;}
.sk-footer__list{display:flex;flex-direction:column;gap:11px;}
.sk-footer__list a{font-size:14px;color:var(--sk-ink-2);}
.sk-footer__list a:hover{color:var(--sk-primary-2);}
.sk-footer__contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--sk-ink-2);}
.sk-footer__contact b{color:var(--sk-ink);font-weight:500;}
.sk-sub{display:flex;gap:8px;margin-top:14px;}
.sk-sub input{
  flex:1;min-width:0;height:40px;padding:0 12px;border-radius:var(--r-input);
  background:var(--sk-night-3);border:1px solid var(--sk-line);color:var(--sk-ink);font-size:13.5px;font-family:inherit;
}
.sk-sub input:focus{outline:none;border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.3);}
.sk-footer__bottom{
  max-width:1320px;margin:56px auto 0;padding:22px 24px;border-top:1px solid var(--sk-line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:var(--sk-ink-3);
}

/* ---------- 动效 ---------- */
.sk-reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.sk-reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .sk-article-wrap{grid-template-columns:minmax(0,760px);}
  .sk-toc{display:none;}
}
@media (max-width:1023px){
  .sk-side{
    transform:translateX(-100%);transition:transform .3s var(--ease);
    width:82vw;max-width:320px;box-shadow:0 20px 60px rgba(0,0,0,.6);
  }
  .sk-side.is-open{transform:translateX(0);}
  .sk-main{margin-left:0;padding-top:56px;}
  .sk-topbar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:56px;padding:0 18px;z-index:70;
    background:rgba(10,11,18,.94);border-bottom:1px solid var(--sk-line);
    backdrop-filter:blur(8px);
  }
  .sk-burger{
    width:44px;height:44px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    background:transparent;border:1px solid var(--sk-line);border-radius:10px;cursor:pointer;
  }
  .sk-burger span{display:block;width:18px;height:1.5px;background:var(--sk-ink);transition:transform .24s var(--ease),opacity .24s var(--ease);}
  .sk-burger.is-open span:first-child{transform:translateY(3.25px) rotate(45deg);}
  .sk-burger.is-open span:last-child{transform:translateY(-3.25px) rotate(-45deg);}
  .sk-scrim{
    display:block;position:fixed;inset:0;background:rgba(4,5,10,.66);z-index:55;
    opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
  }
  .sk-scrim.is-open{opacity:1;visibility:visible;}
  .sk-nav__item{height:52px;}
  .sk-section{padding:64px 0 0;}
  .sk-cta{margin-top:64px;}
  .sk-footer{margin-top:80px;}
  .sk-article{padding-top:48px;}
  .sk-form-wrap{grid-template-columns:minmax(0,1fr);}
  .sk-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sk-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767px){
  .sk-container{padding:0 18px;}
  .sk-footer__grid{padding:0 18px;}
  .sk-footer__bottom{padding:20px 18px;}
  .sk-grid-3,.sk-grid-2{grid-template-columns:minmax(0,1fr);}
  .sk-section{padding:56px 0 0;}
  .sk-cta{padding:32px 22px;margin-top:56px;}
  .sk-form{padding:22px 18px;}
  .sk-form__grid{grid-template-columns:minmax(0,1fr);}
  .sk-article__title{font-size:clamp(25px,7vw,32px);}
  .sk-article__lead{font-size:15.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .sk-reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --sk-night:#0A0B12;
  --sk-night-2:#101223;
  --sk-night-3:#171A2E;
  --sk-line:rgba(255,255,255,.08);
  --sk-line-2:rgba(255,255,255,.16);
  --sk-ink:#E9EAF2;
  --sk-ink-2:#A6A9C0;
  --sk-primary:#6E4BF2;
  --sk-primary-2:#9B7BFF;
  --sk-accent:#F0B24A;
  --sk-mint:#57D9C0;
  --sk-error:#C4665C;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-badge:999px;
  --sk-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sk-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --gap-section:88px;
  --nav-w:236px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--sk-night);
  color:var(--sk-ink);
  font-family:var(--sk-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--sk-primary-2)}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0}
:focus-visible{outline:2px solid var(--sk-primary-2);outline-offset:2px;border-radius:4px}
::selection{background:rgba(110,75,242,.4)}
body,button,input,select,textarea{font-family:var(--sk-sans)}
h1,h2{font-family:var(--sk-serif);font-weight:600;line-height:1.2}

/* ---------- 布局容器 ---------- */
.sk-container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
.sk-main{margin-left:var(--nav-w);min-height:100vh}
.sk-section{padding:var(--gap-section) 0}
.sk-section--tight{padding:56px 0}
.sk-section--alt{background:linear-gradient(180deg,rgba(16,18,35,.9),rgba(10,11,18,.2))}

/* ---------- 左侧导航 ---------- */
.sk-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  padding:26px 18px 22px;
  background:#080910;border-right:1px solid var(--sk-line);
  display:flex;flex-direction:column;z-index:60;
}
.sk-brand{display:flex;flex-direction:column;margin-bottom:28px;line-height:1.15}
.sk-brand b{font-family:var(--sk-serif);font-size:22px;letter-spacing:.08em;color:#fff;font-weight:600}
.sk-brand i{font-style:normal;font-size:10.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--sk-ink-2);margin-top:6px}
.sk-drawer{display:flex;flex-direction:column;flex:1;min-height:0}
.sk-nav{display:flex;flex-direction:column;gap:2px}
.sk-nav__item{
  position:relative;display:flex;align-items:center;height:46px;padding:0 12px;
  border-radius:8px;font-size:14.5px;color:var(--sk-ink-2);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.sk-nav__item:hover{background:var(--sk-night-3);color:#fff;transform:translateX(2px)}
.sk-nav__item.is-active{color:#fff;background:rgba(110,75,242,.14);font-weight:600}
.sk-nav__item.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:2px;border-radius:2px;background:var(--sk-primary)}
.sk-sidebar__foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--sk-line)}
.sk-sidebar__foot .sk-btn{width:100%}
.sk-sidebar__foot p{margin-top:12px;font-size:13px;color:var(--sk-ink-2);line-height:1.7}
.sk-sidebar__foot p b{color:var(--sk-ink);font-variant-numeric:tabular-nums}
.sk-burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--sk-line-2);border-radius:10px;
  color:var(--sk-ink);cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.sk-burger:hover{border-color:var(--sk-primary);color:var(--sk-primary-2)}
.sk-overlay{position:fixed;inset:0;background:rgba(4,5,10,.62);opacity:0;pointer-events:none;transition:opacity .26s var(--ease);z-index:65}

/* ---------- 按钮 ---------- */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.sk-btn--primary{background:var(--sk-primary);color:#fff}
.sk-btn--primary:hover{background:var(--sk-primary-2);color:#fff;transform:translateY(-1px)}
.sk-btn--primary:active{transform:translateY(1px)}
.sk-btn--ghost{background:transparent;border-color:var(--sk-line-2);color:var(--sk-ink)}
.sk-btn--ghost:hover{border-color:var(--sk-primary);color:var(--sk-primary-2)}
.sk-btn--soft{background:rgba(110,75,242,.12);color:var(--sk-primary-2);border-color:rgba(110,75,242,.32)}
.sk-btn--soft:hover{background:rgba(110,75,242,.22);color:#fff}
.sk-btn--sm{height:40px;padding:0 16px;font-size:14px}
.sk-btn--block{width:100%}
.sk-btn-group{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 标签 / 徽章 ---------- */
.sk-kicker{font-size:12px;letter-spacing:.16em;color:var(--sk-primary-2);margin-bottom:14px;display:inline-block}
.sk-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.06em;background:rgba(110,75,242,.16);color:var(--sk-primary-2);
}
.sk-badge--gold{background:rgba(240,178,74,.14);color:var(--sk-accent)}
.sk-badge--mint{background:rgba(87,217,192,.13);color:var(--sk-mint)}

/* ---------- 面包屑 ---------- */
.sk-crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--sk-ink-2);margin-bottom:24px}
.sk-crumb a:hover{color:#fff}
.sk-crumb span.sep{opacity:.5}
.sk-crumb .is-current{color:#fff}

/* ---------- 首屏横幅 ---------- */
.sk-banner{
  position:relative;display:flex;align-items:flex-end;
  min-height:320px;padding:56px 0 44px;
  background-image:linear-gradient(90deg,rgba(6,7,14,.95) 0%,rgba(6,7,14,.66) 58%,rgba(6,7,14,.9) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--sk-line);overflow:hidden;
}
.sk-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(circle,rgba(255,255,255,.9) 1px,transparent 1px),radial-gradient(circle,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:120px 120px,190px 190px;background-position:0 0,60px 80px;
}
.sk-banner__inner{position:relative;z-index:2}
.sk-banner h1{font-size:clamp(28px,4.4vw,52px);letter-spacing:.01em;margin-bottom:18px;max-width:900px}
.sk-banner__sub{max-width:660px;font-size:16px;color:#C7C9DC}
.sk-banner .sk-btn-group{margin-top:30px}
.sk-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:36px}
.sk-stats b{display:block;font-size:clamp(24px,2.4vw,34px);font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.sk-stats span{font-size:13px;color:var(--sk-ink-2)}

/* ---------- 板块标题 ---------- */
.sk-head{max-width:760px;margin-bottom:44px}
.sk-head h2{font-size:clamp(22px,2.6vw,34px);font-weight:500;margin-bottom:14px}
.sk-head p{font-size:15.5px;color:var(--sk-ink-2)}

/* ---------- 档位阶梯 ---------- */
.sk-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:end}
.sk-tier{
  position:relative;display:flex;flex-direction:column;gap:14px;
  padding:24px;background:var(--sk-night-2);
  border:1px solid var(--sk-line);border-radius:var(--r-card);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.sk-tier--1{min-height:308px}
.sk-tier--2{min-height:344px}
.sk-tier--3{
  min-height:380px;border-color:rgba(110,75,242,.6);
  background:linear-gradient(180deg,rgba(110,75,242,.12),var(--sk-night-2) 55%);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.sk-tier:hover{border-color:var(--sk-line-2);transform:translateY(-2px)}
.sk-tier--3:hover{border-color:var(--sk-primary-2)}
.sk-tier__flag{position:absolute;top:-13px;right:20px}
.sk-tier h3{font-size:18px;font-weight:700;line-height:1.4}
.sk-tier__meta{font-size:13px;color:var(--sk-ink-2)}
.sk-tier__price{font-size:13px;color:var(--sk-ink-2)}
.sk-tier__price b{font-size:30px;color:var(--sk-accent);font-variant-numeric:tabular-nums;margin-right:4px}
.sk-tier ul{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--sk-ink-2);line-height:1.75}
.sk-tier ul li{position:relative;padding-left:18px}
.sk-tier ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--sk-primary-2)}
.sk-tier--3 ul li::before{background:var(--sk-accent)}
.sk-tier .sk-btn{margin-top:auto}

.sk-aside{background:var(--sk-night-2);border:1px solid var(--sk-line);border-radius:var(--r-card);padding:20px}
.sk-aside figure{margin:0 0 20px;border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3}
.sk-aside figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.sk-aside:hover figure img{transform:scale(1.03)}
.sk-aside h3{font-size:19px;font-weight:700;margin-bottom:10px}
.sk-aside p{font-size:14.5px;color:var(--sk-ink-2)}
.sk-aside .sk-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--sk-ink-2)}
.sk-aside .sk-list li{display:flex;gap:9px;align-items:flex-start}
.sk-aside .sk-list i{color:var(--sk-mint);margin-top:6px;font-size:12px}

/* ---------- 通用卡片网格 ---------- */
.sk-grid{display:grid;gap:20px}
.sk-grid--3{grid-template-columns:repeat(3,1fr)}
.sk-grid--4{grid-template-columns:repeat(4,1fr)}
.sk-card{
  padding:24px;background:var(--sk-night-2);border:1px solid var(--sk-line);border-radius:var(--r-card);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.sk-card:hover{transform:translateY(-2px);border-color:rgba(155,123,255,.45);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.sk-card__icon{
  width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(110,75,242,.14);color:var(--sk-primary-2);font-size:15px;
}
.sk-card h3{font-size:17px;font-weight:700;line-height:1.45;margin:16px 0 10px}
.sk-card p{font-size:14.5px;color:var(--sk-ink-2)}

/* ---------- 场景图文卡 ---------- */
.sk-scene{background:var(--sk-night-2);border:1px solid var(--sk-line);border-radius:var(--r-card);overflow:hidden;transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease)}
.sk-scene:hover{transform:translateY(-2px);border-color:rgba(155,123,255,.45);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.sk-scene figure{margin:0;aspect-ratio:16/9;overflow:hidden}
.sk-scene figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.sk-scene:hover figure img{transform:scale(1.03)}
.sk-scene__body{padding:22px 24px 26px}
.sk-scene__body h3{font-size:17px;font-weight:700;margin:12px 0 10px;line-height:1.45}
.sk-scene__body p{font-size:14.5px;color:var(--sk-ink-2)}

/* ---------- 流程 ---------- */
.sk-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px 28px}
.sk-step{border-top:1px solid var(--sk-line);padding-top:20px}
.sk-step b{display:block;font-size:13px;color:var(--sk-accent);font-variant-numeric:tabular-nums;letter-spacing:.1em;margin-bottom:10px}
.sk-step h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.sk-step p{font-size:14px;color:var(--sk-ink-2)}

/* ---------- 评价 ---------- */
.sk-quote{
  padding:24px;background:var(--sk-night-2);border:1px solid var(--sk-line);
  border-left:3px solid var(--sk-primary);border-radius:12px;
}
.sk-quote p{font-size:14.5px;color:var(--sk-ink);line-height:1.8}
.sk-quote cite{display:block;margin-top:14px;font-style:normal;font-size:13px;color:var(--sk-ink-2)}

/* ---------- FAQ ---------- */
.sk-faq{border-bottom:1px solid var(--sk-line)}
.sk-faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
  transition:color .2s var(--ease);
}
.sk-faq summary::-webkit-details-marker{display:none}
.sk-faq summary:hover{color:var(--sk-primary-2)}
.sk-faq__sign{color:var(--sk-primary-2);font-size:18px;line-height:1;transition:transform .24s var(--ease)}
.sk-faq[open] .sk-faq__sign{transform:rotate(45deg)}
.sk-faq__body{padding:0 0 18px;font-size:15px;color:var(--sk-ink-2);max-width:840px}

/* ---------- CTA 通栏 + 表单 ---------- */
.sk-cta{
  position:relative;overflow:hidden;
  padding:44px;border:1px solid var(--sk-line);border-radius:20px;
  background:linear-gradient(180deg,#0E1020,#0A0B14);
}
.sk-cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(0deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:44px 44px;
}
.sk-cta > *{position:relative;z-index:2}
.sk-cta h2{font-size:clamp(22px,2.4vw,30px);font-weight:500;margin-bottom:14px}
.sk-cta p{font-size:15px;color:var(--sk-ink-2)}
.sk-trust{margin-top:26px;display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--sk-ink-2)}
.sk-trust li{display:flex;gap:10px;align-items:flex-start}
.sk-trust i{color:var(--sk-mint);margin-top:7px;font-size:12px}
.sk-form{display:grid;gap:16px}
.sk-form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sk-field label{display:block;font-size:13px;color:var(--sk-ink-2);margin-bottom:8px}
.sk-field input,.sk-field select,.sk-field textarea{
  width:100%;min-height:48px;padding:12px 14px;font-size:15px;
  background:var(--sk-night-3);border:1px solid var(--sk-line);border-radius:var(--r-btn);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.sk-field textarea{min-height:120px;resize:vertical;line-height:1.7}
.sk-field input:focus,.sk-field select:focus,.sk-field textarea:focus{
  outline:none;border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.35);background:#1B1F36;
}
.sk-field input::placeholder,.sk-field textarea::placeholder{color:#6C6F87}
.sk-field--error input{border-color:var(--sk-error)}
.sk-form__note{font-size:12.5px;color:#7C7F97}
.sk-form .sk-btn{margin-top:12px}

/* ---------- 页脚 ---------- */
.sk-footer{background:#080910;border-top:1px solid var(--sk-line);padding:64px 0 0}
.sk-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.sk-footer__brand b{display:block;font-family:var(--sk-serif);font-size:20px;letter-spacing:.08em;color:#fff}
.sk-footer__brand i{display:block;font-style:normal;font-size:10.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--sk-ink-2);margin:6px 0 14px}
.sk-footer__brand p{font-size:13.5px;color:var(--sk-ink-2);max-width:280px}
.sk-footer h4{font-size:13px;letter-spacing:.12em;color:var(--sk-ink);margin-bottom:16px;font-weight:600}
.sk-footer__list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--sk-ink-2)}
.sk-footer__list a:hover{color:#fff}
.sk-footer__contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--sk-ink-2)}
.sk-footer__contact b{color:var(--sk-ink);font-weight:600;font-variant-numeric:tabular-nums}
.sk-sub{display:flex;gap:8px;margin-top:14px}
.sk-sub input{
  flex:1;min-width:0;height:40px;padding:0 12px;font-size:14px;
  background:var(--sk-night-3);border:1px solid var(--sk-line);border-radius:var(--r-btn);
}
.sk-sub input:focus{outline:none;border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.3)}
.sk-footer__bottom{
  border-top:1px solid var(--sk-line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:#7C7F97;
}

/* ---------- 动效 ---------- */
.sk-reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.sk-reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .sk-sidebar{
    top:0;left:0;right:0;bottom:auto;width:100%;height:56px;
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:0 18px;border-right:0;border-bottom:1px solid var(--sk-line);
    background:rgba(8,9,16,.96);
  }
  .sk-brand{margin-bottom:0;flex-direction:row;align-items:baseline;gap:8px}
  .sk-brand b{font-size:18px}
  .sk-brand i{margin-top:0}
  .sk-burger{display:inline-flex}
  .sk-drawer{
    position:fixed;top:56px;right:0;bottom:0;width:82vw;max-width:320px;
    background:#0B0D19;border-left:1px solid var(--sk-line);
    padding:20px 18px 28px;overflow-y:auto;z-index:70;
    transform:translateX(105%);transition:transform .28s var(--ease);
  }
  .sk-drawer.is-open{transform:none}
  .sk-nav__item{height:52px}
  .sk-main{margin-left:0;padding-top:56px}
  .sk-overlay.is-open{opacity:1;pointer-events:auto}
  .sk-tiers{grid-template-columns:1fr;gap:16px}
  .sk-tier--1,.sk-tier--2,.sk-tier--3{min-height:0}
  .sk-grid--3,.sk-grid--4,.sk-steps{grid-template-columns:repeat(2,1fr)}
  .sk-cta{padding:32px}
  .sk-footer__grid{grid-template-columns:1fr 1fr;gap:28px}
  :root{--gap-section:64px}
}
@media (max-width:767px){
  .sk-container{padding:0 18px}
  .sk-banner{padding:40px 0 34px;min-height:280px}
  .sk-stats{gap:24px}
  .sk-grid--3,.sk-grid--4,.sk-steps{grid-template-columns:1fr}
  .sk-form__row{grid-template-columns:1fr}
  .sk-cta{padding:26px}
  .sk-footer__grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .sk-btn{width:100%}
  .sk-btn-group{flex-direction:column;align-items:stretch}
  :root{--gap-section:56px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .sk-reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --sk-night:#0A0B12;
  --sk-night-2:#101223;
  --sk-night-3:#171A2E;
  --sk-line:rgba(255,255,255,.08);
  --sk-line-2:rgba(255,255,255,.18);
  --sk-ink:#E9EAF2;
  --sk-ink-2:#A6A9C0;
  --sk-primary:#6E4BF2;
  --sk-primary-2:#9B7BFF;
  --sk-accent:#F0B24A;
  --sk-mint:#57D9C0;
  --sk-radius:16px;
  --sk-radius-sm:10px;
  --sk-shadow:0 12px 32px rgba(0,0,0,.45);
  --sk-ease:cubic-bezier(.2,.7,.2,1);
  --sk-serif:"Noto Serif SC","Songti SC",serif;
  --sk-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sk-night);
  color:var(--sk-ink);
  font-family:var(--sk-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.sk-locked{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--sk-ease)}
a:hover{color:var(--sk-primary-2)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--sk-primary-2);outline-offset:2px}
h1,h2{font-family:var(--sk-serif);font-weight:600;line-height:1.2;letter-spacing:.01em}
h3{font-weight:700;line-height:1.45}

/* ---------- 布局骨架 ---------- */
.sk-side{
  position:fixed;
  top:0;left:0;bottom:0;
  width:236px;
  display:flex;
  flex-direction:column;
  padding:28px 20px 24px;
  background:linear-gradient(180deg,#0C0E1A 0%,#090A11 100%);
  border-right:1px solid var(--sk-line);
  z-index:90;
  overflow-y:auto;
}
.sk-main{
  margin-left:236px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.sk-container{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding:0 24px;
}
.sk-section{padding:88px 0}
.sk-section--tight{padding-top:0}

/* ---------- 侧栏品牌 ---------- */
.sk-side__head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.sk-logo{display:inline-flex;flex-direction:column;line-height:1.1}
.sk-logo__cn{font-family:var(--sk-serif);font-size:22px;font-weight:600;letter-spacing:.14em;color:var(--sk-ink)}
.sk-logo__en{font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--sk-ink-2);margin-top:7px}
.sk-side__close{
  display:none;
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--sk-line);
  background:transparent;
  color:var(--sk-ink-2);
  cursor:pointer;
  transition:all .2s var(--sk-ease);
}
.sk-side__close:hover{color:var(--sk-ink);border-color:var(--sk-line-2)}

/* ---------- 侧栏导航 ---------- */
.sk-nav{display:flex;flex-direction:column;gap:2px;margin-top:38px}
.sk-nav__item{
  position:relative;
  display:flex;
  align-items:center;
  min-height:46px;
  padding:0 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--sk-ink-2);
  transition:background .2s var(--sk-ease),color .2s var(--sk-ease),transform .2s var(--sk-ease);
}
.sk-nav__item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:2px;height:20px;
  background:var(--sk-primary);
  border-radius:2px;
  transform:translateY(-50%) scaleY(0);
  transition:transform .2s var(--sk-ease);
}
.sk-nav__item:hover{background:rgba(255,255,255,.05);color:#fff;transform:translateX(2px)}
.sk-nav__item.is-active{background:rgba(110,75,242,.13);color:#fff}
.sk-nav__item.is-active::before{transform:translateY(-50%) scaleY(1)}

.sk-side__foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--sk-line)}
.sk-side__contact{margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--sk-ink-2)}

/* ---------- 按钮 ---------- */
.sk-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--sk-radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:background .22s var(--sk-ease),color .22s var(--sk-ease),border-color .22s var(--sk-ease),transform .22s var(--sk-ease),box-shadow .22s var(--sk-ease);
}
.sk-btn--primary{background:var(--sk-primary);color:#fff}
.sk-btn--primary:hover{background:var(--sk-primary-2);color:#fff;transform:translateY(-1px)}
.sk-btn--primary:active{transform:translateY(1px)}
.sk-btn--ghost{background:transparent;border-color:var(--sk-line-2);color:var(--sk-ink)}
.sk-btn--ghost:hover{border-color:var(--sk-primary);color:var(--sk-primary-2)}
.sk-btn--ghost:active{transform:translateY(1px)}
.sk-btn--sm{height:40px;padding:0 16px;font-size:14px}
.sk-btn--block{width:100%}
.sk-btn--light{background:var(--sk-ink);color:#0A0B12}
.sk-btn--light:hover{background:#fff;color:#0A0B12;transform:translateY(-1px)}

/* ---------- 顶部移动导航 ---------- */
.sk-topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  z-index:80;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
  background:rgba(10,11,18,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--sk-line);
}
.sk-topbar .sk-logo__cn{font-size:18px}
.sk-topbar .sk-logo__en{margin-top:4px;font-size:10px;letter-spacing:.28em}
.sk-burger{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--sk-line);
  background:transparent;
  color:var(--sk-ink);
  cursor:pointer;
}
.sk-burger:hover{border-color:var(--sk-line-2);color:var(--sk-primary-2)}
.sk-scrim{
  position:fixed;inset:0;
  background:rgba(5,6,12,.72);
  opacity:0;visibility:hidden;
  transition:opacity .26s var(--sk-ease),visibility .26s;
  z-index:85;
}
.sk-scrim.is-open{opacity:1;visibility:visible}

/* ---------- 徽章 / 标签 ---------- */
.sk-badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 11px;
  border-radius:999px;
  font-size:12px;letter-spacing:.06em;
  background:rgba(110,75,242,.16);
  color:var(--sk-primary-2);
  border:1px solid rgba(110,75,242,.32);
  white-space:nowrap;
}
.sk-badge--accent{background:rgba(240,178,74,.13);color:var(--sk-accent);border-color:rgba(240,178,74,.3)}
.sk-badge--mint{background:rgba(87,217,192,.12);color:var(--sk-mint);border-color:rgba(87,217,192,.28)}
.sk-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.sk-tag{
  display:inline-flex;align-items:center;
  height:34px;padding:0 14px;
  border-radius:999px;
  border:1px solid var(--sk-line);
  background:var(--sk-night-2);
  font-size:13.5px;
  color:var(--sk-ink-2);
  transition:all .2s var(--sk-ease);
}
.sk-tag:hover{border-color:var(--sk-primary);color:var(--sk-ink)}

/* ---------- 面包屑 ---------- */
.sk-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--sk-ink-2);margin-bottom:24px}
.sk-crumb a{color:var(--sk-ink-2)}
.sk-crumb a:hover{color:var(--sk-primary-2)}
.sk-crumb .is-current{color:var(--sk-ink);font-weight:500}
.sk-crumb span[aria-hidden]{color:rgba(255,255,255,.24)}

/* ---------- 首屏横幅 ---------- */
.sk-banner{position:relative;overflow:hidden;border-bottom:1px solid var(--sk-line)}
.sk-banner__bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center 40%;
  opacity:.55;
}
.sk-banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,11,18,.97) 0%,rgba(10,11,18,.82) 48%,rgba(10,11,18,.52) 100%);
}
.sk-banner__inner{position:relative;z-index:2;min-height:300px;padding-top:40px;padding-bottom:56px}
.sk-banner h1{
  font-size:clamp(28px,4.2vw,50px);
  font-weight:600;
  line-height:1.18;
  max-width:16em;
  margin:18px 0 16px;
}
.sk-banner__sub{max-width:640px;font-size:16px;color:var(--sk-ink-2);line-height:1.85}
.sk-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.sk-stats{display:flex;flex-wrap:wrap;gap:52px;margin-top:40px}
.sk-stats b{
  display:block;
  font-family:var(--sk-serif);
  font-size:clamp(26px,2.4vw,34px);
  font-weight:600;
  color:var(--sk-accent);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.sk-stats span{display:block;margin-top:6px;font-size:13px;color:var(--sk-ink-2);letter-spacing:.04em}

/* ---------- 板块标题 ---------- */
.sk-head{max-width:760px;margin-bottom:48px}
.sk-eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--sk-primary-2);
  margin-bottom:14px;
}
.sk-head h2{font-size:clamp(22px,2.6vw,34px);font-weight:500}
.sk-head p{margin-top:16px;color:var(--sk-ink-2);font-size:15.5px;max-width:660px}

/* ---------- 交错图文 ---------- */
.sk-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-top:1px solid var(--sk-line);
}
.sk-split:first-of-type{border-top:0;padding-top:8px}
.sk-split--reverse .sk-split__media{order:-1}
.sk-split__text h3{font-size:19px;margin-bottom:14px}
.sk-split__text p{color:var(--sk-ink-2);font-size:15.5px;max-width:34em}
.sk-split__media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--sk-radius);
  border:1px solid var(--sk-line);
}
.sk-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.sk-fact{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;
  color:var(--sk-ink-2);
  padding:7px 13px;
  border-radius:999px;
  background:var(--sk-night-2);
  border:1px solid var(--sk-line);
}
.sk-fact i{color:var(--sk-mint);font-size:12px}

/* ---------- 卡片网格 ---------- */
.sk-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sk-card{
  display:flex;
  flex-direction:column;
  background:var(--sk-night-2);
  border:1px solid var(--sk-line);
  border-radius:var(--sk-radius);
  overflow:hidden;
  transition:transform .26s var(--sk-ease),border-color .26s var(--sk-ease),box-shadow .26s var(--sk-ease);
}
.sk-card:hover{transform:translateY(-2px);border-color:var(--sk-line-2);box-shadow:var(--sk-shadow)}
.sk-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--sk-night-3)}
.sk-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--sk-ease)}
.sk-card:hover .sk-card__media img{transform:scale(1.03)}
.sk-card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.sk-card__body h3{font-size:17.5px}
.sk-card__body p{font-size:14.5px;color:var(--sk-ink-2);line-height:1.8}
.sk-card__meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;
  border-top:1px solid var(--sk-line);
  font-size:13px;
  color:var(--sk-ink-2);
}
.sk-card__meta b{color:var(--sk-accent);font-variant-numeric:tabular-nums;font-weight:700}
.sk-card__link{color:var(--sk-primary-2);font-weight:600;font-size:13.5px;display:inline-flex;align-items:center;gap:6px}
.sk-card__link:hover{gap:10px}

/* ---------- 行式清单 ---------- */
.sk-rows{margin-top:10px;border-top:1px solid var(--sk-line)}
.sk-row{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:32px;
  padding:24px 0;
  border-bottom:1px solid var(--sk-line);
  transition:background .2s var(--sk-ease);
}
.sk-row:hover{background:rgba(255,255,255,.02)}
.sk-row__key{font-size:14px;color:var(--sk-ink);font-weight:600;letter-spacing:.02em}
.sk-row__val{font-size:14.5px;color:var(--sk-ink-2);line-height:1.85}

/* ---------- 适用人群 + 提醒 ---------- */
.sk-two{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:start}
.sk-note{
  background:var(--sk-night-2);
  border:1px solid var(--sk-line);
  border-radius:var(--sk-radius);
  padding:28px;
}
.sk-note h3{font-size:16.5px;margin-bottom:16px}
.sk-list li{
  position:relative;
  padding-left:20px;
  margin-bottom:12px;
  font-size:14.5px;
  color:var(--sk-ink-2);
  line-height:1.8;
}
.sk-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--sk-primary);
}
.sk-list--accent li::before{background:var(--sk-accent)}

/* ---------- 评价 ---------- */
.sk-quote{
  background:var(--sk-night-2);
  border:1px solid var(--sk-line);
  border-radius:var(--sk-radius);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:16px;
  height:100%;
}
.sk-quote p{font-size:14.5px;color:var(--sk-ink-2);line-height:1.85}
.sk-quote__who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--sk-line)}
.sk-quote__dot{
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(110,75,242,.16);
  color:var(--sk-primary-2);
  font-size:13px;font-weight:700;
}
.sk-quote__who b{display:block;font-size:14px;color:var(--sk-ink)}
.sk-quote__who span{display:block;font-size:12.5px;color:var(--sk-ink-2)}

/* ---------- FAQ ---------- */
.sk-faq{max-width:900px}
.sk-faq .accordion{margin:0;background:transparent;border:0;border-top:1px solid var(--sk-line)}
.sk-faq .accordion-item{border:0;border-bottom:1px solid var(--sk-line);background:transparent}
.sk-faq .accordion-title{
  display:block;
  padding:22px 48px 22px 0;
  position:relative;
  font-size:16px;
  font-weight:700;
  color:var(--sk-ink);
  background:transparent;
  border:0;
  transition:color .24s var(--sk-ease);
}
.sk-faq .accordion-title:hover{color:var(--sk-primary-2);background:transparent}
.sk-faq .accordion-title::before{
  content:"+";
  position:absolute;
  right:6px;top:50%;
  left:auto;
  transform:translateY(-50%);
  width:auto;height:auto;
  margin:0;
  border:0;
  background:none;
  font-size:20px;
  font-weight:400;
  line-height:1;
  color:var(--sk-ink-2);
  transition:transform .24s var(--sk-ease),color .24s var(--sk-ease);
}
.sk-faq .accordion-title[aria-expanded="true"]{color:#fff}
.sk-faq .accordion-title[aria-expanded="true"]::before{content:"−";color:var(--sk-primary-2)}
.sk-faq .accordion-content{
  padding:0 48px 22px 0;
  border:0;
  background:transparent;
  color:var(--sk-ink-2);
  font-size:15px;
  line-height:1.85;
}

/* ---------- CTA 与表单 ---------- */
.sk-cta{
  background:linear-gradient(180deg,#0E1020 0%,#0A0B12 100%);
  border-top:1px solid var(--sk-line);
  border-bottom:1px solid var(--sk-line);
}
.sk-cta__inner{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:start}
.sk-form__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.sk-field{display:flex;flex-direction:column;gap:8px}
.sk-field--full{grid-column:1 / -1}
.sk-field label{font-size:13px;color:var(--sk-ink-2);letter-spacing:.02em}
.sk-input{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:var(--sk-radius-sm);
  background:var(--sk-night-3);
  border:1px solid var(--sk-line);
  color:var(--sk-ink);
  font-size:15px;
  transition:border-color .2s var(--sk-ease),box-shadow .2s var(--sk-ease);
}
.sk-input::placeholder{color:rgba(166,169,192,.6)}
.sk-input:focus{outline:none;border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.28)}
textarea.sk-input{height:auto;min-height:118px;padding:12px 14px;line-height:1.75;resize:vertical}
select.sk-input{
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,#A6A9C0 50%),linear-gradient(135deg,#A6A9C0 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
.sk-trust{display:flex;flex-direction:column;gap:18px;margin-top:8px}
.sk-trust__item{
  display:flex;gap:14px;
  padding:20px;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-radius);
  background:var(--sk-night-2);
  transition:border-color .22s var(--sk-ease),transform .22s var(--sk-ease);
}
.sk-trust__item:hover{border-color:var(--sk-line-2);transform:translateY(-2px)}
.sk-trust__item i{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:rgba(110,75,242,.14);
  color:var(--sk-primary-2);
  font-size:15px;
}
.sk-trust__item b{display:block;font-size:15px;margin-bottom:4px}
.sk-trust__item span{font-size:13.5px;color:var(--sk-ink-2);line-height:1.75}

/* ---------- 页脚 ---------- */
.sk-footer{margin-top:auto;background:#080910;border-top:1px solid var(--sk-line);padding-top:64px}
.sk-footer__grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  max-width:1320px;
  margin:0 auto;
  padding:0 24px 56px;
}
.sk-footer h4{font-size:14px;letter-spacing:.08em;color:var(--sk-ink);margin-bottom:18px;font-weight:700}
.sk-footer__brand b{display:block;font-family:var(--sk-serif);font-size:20px;letter-spacing:.14em}
.sk-footer__brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--sk-ink-2);margin:8px 0 16px}
.sk-footer__brand p{font-size:13.5px;color:var(--sk-ink-2);line-height:1.8;max-width:34em}
.sk-footer__list{display:flex;flex-direction:column;gap:11px}
.sk-footer__list a{font-size:13.5px;color:var(--sk-ink-2)}
.sk-footer__list a:hover{color:var(--sk-primary-2)}
.sk-footer__contact{display:flex;flex-direction:column;gap:11px;font-size:13.5px;color:var(--sk-ink-2)}
.sk-footer__contact b{color:var(--sk-ink);font-weight:600}
.sk-sub{display:flex;gap:10px;margin-top:14px}
.sk-sub input{
  flex:1;
  min-width:0;
  height:40px;
  padding:0 12px;
  border-radius:var(--sk-radius-sm);
  background:var(--sk-night-3);
  border:1px solid var(--sk-line);
  color:var(--sk-ink);
  font-size:13.5px;
}
.sk-sub input:focus{outline:none;border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.26)}
.sk-footer__bottom{
  max-width:1320px;
  margin:0 auto;
  padding:22px 24px 30px;
  border-top:1px solid var(--sk-line);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--sk-ink-2);
}

/* ---------- 入场动效 ---------- */
.sk-reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--sk-ease),transform .5s var(--sk-ease)}
.sk-reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .sk-topbar{display:flex}
  .sk-side{
    top:0;
    width:82vw;
    max-width:320px;
    transform:translateX(-100%);
    transition:transform .28s var(--sk-ease);
    box-shadow:0 20px 60px rgba(0,0,0,.6);
  }
  .sk-side.is-open{transform:none}
  .sk-side__close{display:inline-flex;align-items:center;justify-content:center}
  .sk-nav{margin-top:26px}
  .sk-nav__item{min-height:52px;font-size:15px}
  .sk-main{margin-left:0;padding-top:56px}
  .sk-section{padding:64px 0}
  .sk-grid-3{grid-template-columns:repeat(2,1fr)}
  .sk-split{grid-template-columns:1fr;gap:26px;padding:34px 0}
  .sk-split--reverse .sk-split__media{order:0}
  .sk-two{grid-template-columns:1fr;gap:32px}
  .sk-cta__inner{grid-template-columns:1fr;gap:36px}
  .sk-footer__grid{grid-template-columns:repeat(2,1fr);gap:32px;padding-bottom:44px}
  .sk-banner__inner{min-height:260px;padding-bottom:44px}
  .sk-head{margin-bottom:36px}
}
@media (max-width:767px){
  .sk-container{padding:0 18px}
  .sk-section{padding:56px 0}
  .sk-grid-3{grid-template-columns:1fr}
  .sk-row{grid-template-columns:1fr;gap:8px;padding:20px 0}
  .sk-form__grid{grid-template-columns:1fr;gap:16px}
  .sk-stats{gap:30px;margin-top:30px}
  .sk-actions .sk-btn{flex:1 1 180px}
  .sk-footer__grid{grid-template-columns:1fr;padding:0 18px 40px}
  .sk-footer__bottom{padding:20px 18px 28px}
  .sk-banner__inner{min-height:240px;padding-top:32px}
  .sk-banner h1{font-size:clamp(26px,7vw,34px)}
  .sk-quote{padding:22px}
  .sk-note{padding:22px}
  .sk-faq .accordion-title{padding:18px 42px 18px 0;font-size:15.5px}
  .sk-faq .accordion-content{padding:0 0 18px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .sk-reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --sk-night:#0A0B12;
  --sk-night-2:#101223;
  --sk-night-3:#171A2E;
  --sk-line:rgba(255,255,255,.08);
  --sk-line-2:rgba(255,255,255,.16);
  --sk-ink:#E9EAF2;
  --sk-ink-2:#A6A9C0;
  --sk-primary:#6E4BF2;
  --sk-primary-2:#9B7BFF;
  --sk-accent:#F0B24A;
  --sk-mint:#57D9C0;
  --sk-radius:16px;
  --sk-radius-sm:10px;
  --sk-rail:236px;
  --sk-ease:cubic-bezier(.2,.7,.2,1);
  --sk-serif:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --sk-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sk-night);
  color:var(--sk-ink);
  font-family:var(--sk-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--sk-ease),border-color .2s var(--sk-ease),background-color .2s var(--sk-ease),opacity .2s var(--sk-ease)}
a:hover{color:var(--sk-primary-2)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25}
ul{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--sk-primary-2);outline-offset:2px;border-radius:4px}
.sk-num{font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- 容器 ---------- */
.sk-container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}

/* ---------- 左侧栏 ---------- */
.sk-header{
  display:none;
  position:fixed;top:0;left:0;width:var(--sk-rail);height:100vh;
  flex-direction:column;justify-content:space-between;
  padding:28px 20px 24px;
  background:linear-gradient(180deg,#0C0E1B 0%,#090A14 100%);
  border-right:1px solid var(--sk-line);
  z-index:60;
}
.sk-brand{display:block;padding-bottom:22px;border-bottom:1px solid var(--sk-line)}
.sk-brand b{display:block;font-family:var(--sk-serif);font-size:22px;font-weight:600;letter-spacing:.08em;color:var(--sk-ink)}
.sk-brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--sk-ink-2);margin-top:4px}
.sk-brand:hover b{color:var(--sk-primary-2)}
.sk-nav{display:flex;flex-direction:column;gap:2px;margin:24px 0 auto;position:relative}
.sk-nav__item{
  position:relative;display:flex;align-items:center;
  height:46px;padding:0 12px;border-radius:8px;
  font-size:14.5px;color:var(--sk-ink-2);
  transition:background-color .2s var(--sk-ease),color .2s var(--sk-ease),transform .2s var(--sk-ease);
}
.sk-nav__item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--sk-primary);border-radius:2px;
  transition:height .24s var(--sk-ease);
}
.sk-nav__item:hover{background:rgba(255,255,255,.045);color:#fff;transform:translateX(2px)}
.sk-nav__item.is-active{background:rgba(110,75,242,.12);color:#fff;font-weight:500}
.sk-nav__item.is-active::before{height:20px}
.sk-rail-foot{border-top:1px solid var(--sk-line);padding-top:18px;display:flex;flex-direction:column;gap:10px}
.sk-rail-foot .sk-btn{width:100%;justify-content:center}
.sk-rail-foot span{font-size:12.5px;color:var(--sk-ink-2);letter-spacing:.04em}
.sk-rail-foot span b{color:var(--sk-ink);font-variant-numeric:tabular-nums}

/* ---------- 移动端顶栏与抽屉 ---------- */
.sk-topbar{
  position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;
  background:rgba(10,11,18,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--sk-line);
}
.sk-topbar .sk-brand{padding:0;border:0}
.sk-topbar .sk-brand b{font-size:18px}
.sk-topbar .sk-brand i{font-size:10px;letter-spacing:.28em}
.sk-burger{
  width:44px;height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:transparent;border:1px solid var(--sk-line);border-radius:10px;cursor:pointer;
  transition:border-color .2s var(--sk-ease),background-color .2s var(--sk-ease);
}
.sk-burger span{display:block;width:18px;height:1.5px;background:var(--sk-ink);transition:transform .24s var(--sk-ease),opacity .24s var(--sk-ease)}
.sk-burger:hover{border-color:var(--sk-primary);background:rgba(110,75,242,.1)}
.sk-burger.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.sk-burger.is-open span:nth-child(2){opacity:0}
.sk-burger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.sk-drawer{
  position:fixed;top:0;right:0;width:82vw;max-width:320px;height:100vh;z-index:80;
  background:#0C0E1B;border-left:1px solid var(--sk-line);
  padding:24px 20px;display:flex;flex-direction:column;
  transform:translateX(102%);
  transition:transform .3s var(--sk-ease);
  overflow-y:auto;
}
.sk-drawer.is-open{transform:translateX(0)}
.sk-drawer .sk-nav{margin:22px 0 auto}
.sk-drawer .sk-nav__item{height:52px;font-size:15.5px}
.sk-scrim{
  position:fixed;inset:0;background:rgba(5,6,12,.7);z-index:75;opacity:0;pointer-events:none;
  transition:opacity .3s var(--sk-ease);
}
.sk-scrim.is-open{opacity:1;pointer-events:auto}

/* ---------- 主体 ---------- */
.sk-main{position:relative;padding-bottom:0}
@media screen and (max-width:1023px){.sk-main{padding-top:56px}}

/* ---------- 面包屑 ---------- */
.sk-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:26px 0 24px;font-size:13px;color:var(--sk-ink-2);
}
.sk-breadcrumb span{opacity:.4}
.sk-breadcrumb b{color:var(--sk-ink);font-weight:500}
.sk-breadcrumb a:hover{color:var(--sk-primary-2)}

/* ---------- 横幅 ---------- */
.sk-banner{
  position:relative;overflow:hidden;
  min-height:280px;
  display:flex;align-items:center;
  border-radius:0;
  background-color:#0B0D18;
  background-image:
    linear-gradient(90deg,rgba(8,9,16,.96) 0%,rgba(8,9,16,.82) 46%,rgba(8,9,16,.52) 100%),
    url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  border-top:1px solid var(--sk-line);
  border-bottom:1px solid var(--sk-line);
}
.sk-banner__inner{padding:56px 0 52px;max-width:660px}
.sk-eyebrow{
  display:inline-block;font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--sk-primary-2);margin-bottom:14px;
}
.sk-banner h1{
  font-family:var(--sk-serif);
  font-size:clamp(28px,4.4vw,46px);
  font-weight:600;line-height:1.18;letter-spacing:.01em;
}
.sk-banner__sub{margin:16px 0 0;color:var(--sk-ink-2);font-size:15.5px;max-width:520px}
.sk-banner__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- 按钮 ---------- */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--sk-radius-sm);
  border:1px solid transparent;cursor:pointer;background:none;
  font-size:15px;font-weight:500;letter-spacing:.02em;
  transition:background-color .2s var(--sk-ease),color .2s var(--sk-ease),border-color .2s var(--sk-ease),transform .2s var(--sk-ease),box-shadow .2s var(--sk-ease);
}
.sk-btn--primary{background:var(--sk-primary);color:#fff}
.sk-btn--primary:hover{background:var(--sk-primary-2);color:#fff;transform:translateY(-1px)}
.sk-btn--primary:active{transform:translateY(1px)}
.sk-btn--ghost{border-color:var(--sk-line-2);color:var(--sk-ink)}
.sk-btn--ghost:hover{border-color:var(--sk-primary);color:var(--sk-primary-2)}
.sk-btn--sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.sk-btn--block{width:100%}
.sk-btn:focus-visible{outline:2px solid var(--sk-primary-2);outline-offset:2px}
.sk-link{
  color:var(--sk-primary-2);border-bottom:1px solid transparent;padding-bottom:2px;
}
.sk-link:hover{border-bottom-color:var(--sk-primary-2)}

/* ---------- 板块 ---------- */
.sk-section{padding:88px 0;border-top:1px solid var(--sk-line)}
.sk-section:first-of-type{border-top:0}
.sk-section__head{max-width:660px;margin-bottom:44px}
.sk-section__head h2{
  font-family:var(--sk-serif);font-size:clamp(22px,2.6vw,34px);font-weight:500;letter-spacing:.01em;
}
.sk-section__head p{margin-top:14px;color:var(--sk-ink-2);font-size:15.5px}
.sk-section__head--split{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none}

/* ---------- 路线卡 ---------- */
.sk-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sk-card{
  display:flex;flex-direction:column;
  background:var(--sk-night-2);border:1px solid var(--sk-line);border-radius:var(--sk-radius);
  overflow:hidden;
  transition:transform .24s var(--sk-ease),border-color .24s var(--sk-ease),box-shadow .24s var(--sk-ease);
}
.sk-card:hover{transform:translateY(-2px);border-color:var(--sk-line-2);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.sk-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sk-night-3)}
.sk-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--sk-ease)}
.sk-card:hover .sk-card__media img{transform:scale(1.03)}
.sk-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.sk-card__body h3{font-family:var(--sk-sans);font-size:18px;font-weight:700;line-height:1.45}
.sk-card__body p{font-size:14.5px;color:var(--sk-ink-2);margin:0}
.sk-card__foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--sk-line);font-size:13.5px;color:var(--sk-ink-2)}
.sk-card__foot .sk-num{color:var(--sk-accent)}
.sk-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;background:rgba(110,75,242,.16);color:var(--sk-primary-2);
}
.sk-tag--gold{background:rgba(240,178,74,.14);color:var(--sk-accent)}
.sk-tag--mint{background:rgba(87,217,192,.14);color:var(--sk-mint)}

/* ---------- 参数对照 ---------- */
.sk-spec{border-top:1px solid var(--sk-line);margin-top:8px}
.sk-spec__head{
  display:grid;grid-template-columns:150px repeat(3,1fr);
  border-bottom:1px solid var(--sk-line-2);
}
.sk-spec__col{padding:20px 16px;font-size:15.5px;font-weight:700;display:flex;flex-direction:column;gap:4px}
.sk-spec__col span{font-size:12.5px;font-weight:400;color:var(--sk-ink-2);letter-spacing:.04em}
.sk-spec__col.is-pick{
  background:rgba(110,75,242,.09);
  box-shadow:inset 0 2px 0 var(--sk-primary);
  position:relative;
}
.sk-spec__col.is-pick::after{
  content:"推荐对比起点";position:absolute;top:20px;right:16px;
  font-size:11px;letter-spacing:.06em;color:var(--sk-accent);
  background:rgba(240,178,74,.14);border-radius:999px;padding:2px 10px;font-weight:500;
}
.sk-spec__row{display:grid;grid-template-columns:150px repeat(3,1fr);border-bottom:1px solid var(--sk-line)}
.sk-spec__row > div{padding:16px;font-size:14.5px}
.sk-spec__row > div + div{border-left:1px solid var(--sk-line)}
.sk-spec__row .sk-spec__val:nth-child(3){background:rgba(110,75,242,.05)}
.sk-spec__label{color:var(--sk-ink-2);font-size:13.5px;letter-spacing:.04em}
.sk-spec__val{color:var(--sk-ink)}
.sk-spec__val em{font-style:normal;color:var(--sk-accent);font-variant-numeric:tabular-nums;font-weight:700}
.sk-spec__note{margin-top:18px;font-size:13.5px;color:var(--sk-ink-2)}

/* ---------- 目标对照 ---------- */
.sk-goal{border-top:1px solid var(--sk-line)}
.sk-goal li{
  display:grid;grid-template-columns:230px 1fr;gap:28px;align-items:baseline;
  padding:20px 0;border-bottom:1px solid var(--sk-line);
  transition:background-color .2s var(--sk-ease);
}
.sk-goal li:hover{background:rgba(255,255,255,.02)}
.sk-goal b{font-size:16px;font-weight:700}
.sk-goal span{color:var(--sk-ink-2);font-size:14.5px}
.sk-goal span em{font-style:normal;color:var(--sk-accent);font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- 数字块 ---------- */
.sk-figs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.sk-fig{
  padding:24px;border:1px solid var(--sk-line);border-radius:var(--sk-radius);
  background:var(--sk-night-2);
  transition:border-color .24s var(--sk-ease),transform .24s var(--sk-ease);
}
.sk-fig:hover{border-color:var(--sk-line-2);transform:translateY(-2px)}
.sk-fig strong{display:block;font-family:var(--sk-serif);font-size:34px;line-height:1.1;color:var(--sk-accent);font-variant-numeric:tabular-nums}
.sk-fig span{display:block;margin-top:8px;font-size:13.5px;color:var(--sk-ink-2)}

/* ---------- 场景卡 ---------- */
.sk-scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sk-scene{
  padding:24px 22px;border:1px solid var(--sk-line);border-radius:var(--sk-radius);
  background:linear-gradient(180deg,var(--sk-night-2),#0D0F1C);
  transition:border-color .24s var(--sk-ease),transform .24s var(--sk-ease),box-shadow .24s var(--sk-ease);
}
.sk-scene:hover{border-color:var(--sk-primary);transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.sk-scene i{color:var(--sk-primary-2);font-size:20px;margin-bottom:14px;display:block}
.sk-scene h3{font-size:17px;font-weight:700;line-height:1.45;margin-bottom:8px}
.sk-scene p{font-size:14px;color:var(--sk-ink-2);margin:0}

/* ---------- 实测反馈 ---------- */
.sk-quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sk-quote{
  padding:24px;border:1px solid var(--sk-line);border-radius:var(--sk-radius);
  background:var(--sk-night-2);display:flex;flex-direction:column;gap:14px;
}
.sk-quote p{margin:0;font-size:14.5px;color:var(--sk-ink);position:relative;padding-left:16px}
.sk-quote p::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--sk-primary)}
.sk-quote footer{font-size:13px;color:var(--sk-ink-2);letter-spacing:.04em}

/* ---------- FAQ ---------- */
.sk-accordion{border:0;background:transparent;margin:0}
.sk-accordion .accordion-item{border:0;border-bottom:1px solid var(--sk-line);background:transparent}
.sk-accordion .accordion-item:first-child{border-top:1px solid var(--sk-line)}
.sk-accordion .accordion-title{
  border:0;background:transparent;color:var(--sk-ink);
  font-size:16px;font-weight:700;line-height:1.5;
  padding:20px 46px 20px 0;position:relative;
  transition:color .2s var(--sk-ease);
}
.sk-accordion .accordion-title:hover{color:var(--sk-primary-2)}
.sk-accordion .accordion-title::before{
  content:"＋";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;margin:0;background:none;
  color:var(--sk-ink-2);font-size:17px;line-height:1;
  transition:transform .24s var(--sk-ease),color .24s var(--sk-ease);
}
.sk-accordion .accordion-item.is-active .accordion-title{color:var(--sk-primary-2)}
.sk-accordion .accordion-item.is-active .accordion-title::before{content:"－";color:var(--sk-primary-2);transform:translateY(-50%)}
.sk-accordion .accordion-content{
  border:0;background:transparent;color:var(--sk-ink-2);
  font-size:15px;line-height:1.85;padding:0 46px 20px 0;
}

/* ---------- CTA 通栏 ---------- */
.sk-cta{
  margin:0 0 0;
  padding:56px 44px;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-radius);
  background-color:#0C0E1A;
  background-image:linear-gradient(100deg,rgba(12,14,26,.97) 0%,rgba(12,14,26,.86) 60%,rgba(12,14,26,.7) 100%),url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.sk-cta h2{font-family:var(--sk-serif);font-size:clamp(21px,2.3vw,30px);font-weight:500;max-width:600px}
.sk-cta p{margin:12px 0 0;color:var(--sk-ink-2);font-size:14.5px;max-width:560px}
.sk-cta__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 表单 ---------- */
.sk-form-wrap{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}
.sk-form{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.sk-field{display:flex;flex-direction:column;gap:8px}
.sk-field--full{grid-column:1 / -1}
.sk-field label{font-size:13px;color:var(--sk-ink-2);letter-spacing:.04em}
.sk-field input,.sk-field select,.sk-field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  background:var(--sk-night-3);border:1px solid var(--sk-line);border-radius:var(--sk-radius-sm);
  color:var(--sk-ink);font-size:15px;
  transition:border-color .2s var(--sk-ease),box-shadow .2s var(--sk-ease);
}
.sk-field textarea{min-height:118px;resize:vertical;line-height:1.7}
.sk-field input::placeholder,.sk-field textarea::placeholder{color:rgba(166,169,192,.6)}
.sk-field input:focus,.sk-field select:focus,.sk-field textarea:focus{
  outline:none;border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.28);
}
.sk-form__submit{grid-column:1 / -1;margin-top:8px}
.sk-trust{display:flex;flex-direction:column;gap:16px;padding:24px;border:1px solid var(--sk-line);border-radius:var(--sk-radius);background:var(--sk-night-2)}
.sk-trust div{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--sk-ink-2);line-height:1.7}
.sk-trust i{color:var(--sk-mint);margin-top:5px}
.sk-trust b{color:var(--sk-ink);font-weight:500}

/* ---------- 页脚 ---------- */
.sk-footer{margin-top:88px;background:#080910;border-top:1px solid var(--sk-line)}
.sk-footer__grid{
  max-width:1320px;margin:0 auto;padding:60px 24px 40px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
}
.sk-footer__brand b{display:block;font-family:var(--sk-serif);font-size:22px;letter-spacing:.08em}
.sk-footer__brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--sk-ink-2);margin:4px 0 14px}
.sk-footer__brand p{font-size:13.5px;color:var(--sk-ink-2);line-height:1.8;margin:0}
.sk-footer h4{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--sk-ink-2);font-weight:500;margin-bottom:16px}
.sk-footer__list{display:flex;flex-direction:column;gap:10px}
.sk-footer__list a{font-size:14.5px;color:var(--sk-ink)}
.sk-footer__list a:hover{color:var(--sk-primary-2)}
.sk-footer__contact{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--sk-ink-2)}
.sk-footer__contact b{color:var(--sk-ink);font-weight:500;font-variant-numeric:tabular-nums}
.sk-sub{display:flex;gap:10px;margin-top:6px}
.sk-sub input{
  flex:1;min-width:0;height:40px;padding:0 12px;
  background:var(--sk-night-3);border:1px solid var(--sk-line);border-radius:9px;color:var(--sk-ink);font-size:14px;
}
.sk-sub input:focus{outline:none;border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.28)}
.sk-footer__bottom{
  max-width:1320px;margin:0 auto;padding:20px 24px 32px;
  border-top:1px solid var(--sk-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--sk-ink-2);
}

/* ---------- 入场动效 ---------- */
.sk-reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--sk-ease),transform .4s var(--sk-ease)}
.sk-reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media screen and (min-width:1024px){
  .sk-header{display:flex}
  .sk-topbar{display:none}
  .sk-drawer,.sk-scrim{display:none}
  .sk-main{margin-left:var(--sk-rail)}
}
@media screen and (max-width:1279px){
  .sk-figs{grid-template-columns:repeat(2,1fr)}
  .sk-scenes{grid-template-columns:repeat(2,1fr)}
}
@media screen and (max-width:1023px){
  .sk-section{padding:64px 0}
  .sk-cards{grid-template-columns:repeat(2,1fr)}
  .sk-quotes{grid-template-columns:1fr}
  .sk-goal li{grid-template-columns:200px 1fr;gap:20px}
  .sk-form-wrap{grid-template-columns:1fr;gap:28px}
}
@media screen and (max-width:767px){
  body{font-size:15.5px}
  .sk-container{padding:0 18px}
  .sk-section{padding:56px 0}
  .sk-section__head{margin-bottom:32px}
  .sk-banner{min-height:auto}
  .sk-banner__inner{padding:44px 0 40px}
  .sk-cards{grid-template-columns:1fr}
  .sk-figs{grid-template-columns:1fr}
  .sk-scenes{grid-template-columns:1fr}
  .sk-goal li{grid-template-columns:1fr;gap:8px;padding:18px 0}
  .sk-spec__head{display:none}
  .sk-spec__row{grid-template-columns:1fr;border-bottom:1px solid var(--sk-line-2)}
  .sk-spec__row > div{padding:12px 0;border-left:0 !important;background:none !important}
  .sk-spec__row .sk-spec__label{
    font-size:12px;letter-spacing:.16em;color:var(--sk-primary-2);
    padding-top:20px;border-bottom:1px dashed var(--sk-line);
  }
  .sk-spec__val{display:flex;justify-content:space-between;gap:16px;font-size:15px}
  .sk-spec__val::before{content:attr(data-model);color:var(--sk-ink-2);font-size:13.5px}
  .sk-form{grid-template-columns:1fr}
  .sk-cta{padding:36px 24px}
  .sk-footer__grid{grid-template-columns:1fr;gap:32px;padding:44px 18px 28px}
  .sk-footer__bottom{padding:18px 18px 28px;flex-direction:column}
  .sk-accordion .accordion-title{padding-right:38px;font-size:15.5px}
  .sk-accordion .accordion-content{padding-right:0}
}
@media screen and (max-width:520px){
  .sk-banner h1{font-size:26px}
  .sk-btn{width:100%}
  .sk-banner__actions{flex-direction:column;align-items:stretch}
  .sk-cta__actions{flex-direction:column;align-items:stretch;width:100%}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .sk-reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

.accordion-content{display:block !important}

/* roulang page: category4 */
/* ================= 设计变量 ================= */
:root{
  --sk-night:#0A0B12;
  --sk-night-2:#101223;
  --sk-night-3:#171A2E;
  --sk-line:rgba(255,255,255,.08);
  --sk-line-2:rgba(255,255,255,.16);
  --sk-ink:#E9EAF2;
  --sk-ink-2:#A6A9C0;
  --sk-primary:#6E4BF2;
  --sk-primary-2:#9B7BFF;
  --sk-accent:#F0B24A;
  --sk-mint:#57D9C0;
  --sk-r-card:16px;
  --sk-r-btn:10px;
  --sk-r-img:14px;
  --sk-r-badge:999px;
  --sk-side:236px;
  --sk-gap:88px;
  --sk-ease:cubic-bezier(.2,.7,.2,1);
  --sk-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --sk-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
}
/* ================= reset / base ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sk-night);
  color:var(--sk-ink);
  font-family:var(--sk-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.sk-lock{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--sk-primary-2);text-decoration:none;transition:color .2s var(--sk-ease),border-color .2s var(--sk-ease)}
a:hover{color:#fff}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(110,75,242,.4);color:#fff}
:focus-visible{outline:2px solid var(--sk-primary-2);outline-offset:2px;border-radius:4px}
.tnum{font-variant-numeric:tabular-nums}
/* ================= 容器 / 栅格 ================= */
.sk-wrap{max-width:1320px;margin:0 auto;padding:0 24px}
.sk-grid{display:grid;gap:20px}
.sk-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.sk-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.sk-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
/* ================= 侧栏导航 ================= */
.sk-sidebar{
  position:fixed;top:0;left:0;width:var(--sk-side);height:100vh;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:28px 20px 22px;background:#080910;
  border-right:1px solid var(--sk-line);z-index:60;
}
.sk-brand{display:block;padding:2px 8px 22px}
.sk-brand__cn{display:block;font-family:var(--sk-serif);font-size:22px;font-weight:600;letter-spacing:.08em;color:var(--sk-ink)}
.sk-brand__en{display:block;font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--sk-ink-2);margin-top:4px}
.sk-nav{display:flex;flex-direction:column;gap:2px}
.sk-nav__item{
  position:relative;display:flex;align-items:center;height:46px;padding:0 10px;
  font-size:14.5px;color:var(--sk-ink-2);border-radius:8px;
  transition:background .2s var(--sk-ease),color .2s var(--sk-ease),transform .2s var(--sk-ease);
}
.sk-nav__item::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:var(--sk-primary);opacity:0;transition:opacity .2s var(--sk-ease);
}
.sk-nav__item:hover{background:var(--sk-night-3);color:#fff;transform:translateX(2px)}
.sk-nav__item.is-active{background:rgba(110,75,242,.1);color:#fff;font-weight:500}
.sk-nav__item.is-active::before{opacity:1}
.sk-sidebar__foot{border-top:1px solid var(--sk-line);padding-top:18px}
.sk-sidebar__foot p{font-size:12.5px;color:var(--sk-ink-2);margin-top:10px;line-height:1.6}
/* 移动端顶栏 */
.sk-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  align-items:center;justify-content:space-between;padding:0 18px;
  background:rgba(8,9,16,.94);border-bottom:1px solid var(--sk-line);backdrop-filter:blur(10px);
}
.sk-topbar .sk-brand{padding:0}
.sk-topbar .sk-brand__cn{font-size:18px}
.sk-topbar .sk-brand__en{font-size:9.5px;letter-spacing:.22em}
.sk-burger{width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 10px;border-radius:8px;border:1px solid var(--sk-line)}
.sk-burger span{display:block;height:1.5px;background:var(--sk-ink);border-radius:2px;transition:transform .24s var(--sk-ease),opacity .24s var(--sk-ease)}
.sk-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.sk-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.sk-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.sk-scrim{position:fixed;inset:0;background:rgba(4,5,10,.7);opacity:0;visibility:hidden;transition:opacity .24s var(--sk-ease),visibility .24s;z-index:55}
.sk-scrim.is-on{opacity:1;visibility:visible}
/* ================= 主区域 ================= */
.sk-main{margin-left:var(--sk-side);min-height:100vh}
.sk-section{padding:var(--sk-gap) 0;position:relative}
.sk-section--line{border-top:1px solid var(--sk-line)}
.sk-head{max-width:760px;margin-bottom:44px}
.sk-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--sk-primary-2);margin-bottom:14px;
}
.sk-h1{
  font-family:var(--sk-serif);font-weight:600;line-height:1.18;
  font-size:clamp(28px,4.4vw,52px);letter-spacing:.01em;
}
.sk-h2{font-family:var(--sk-serif);font-weight:500;font-size:clamp(22px,2.6vw,34px);line-height:1.3}
.sk-h3{font-size:18px;font-weight:700;line-height:1.45}
.sk-lead{color:var(--sk-ink-2);font-size:16px;line-height:1.9;max-width:640px;margin-top:16px}
/* ================= Hero ================= */
.sk-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--sk-line);min-height:340px}
.sk-hero__bg{position:absolute;inset:0;z-index:0}
.sk-hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.55}
.sk-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,11,18,.96) 0%,rgba(10,11,18,.86) 42%,rgba(10,11,18,.5) 100%);
}
.sk-hero__inner{position:relative;z-index:1;padding:56px 0 62px}
.sk-crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--sk-ink-2);margin-bottom:24px}
.sk-crumb a{color:var(--sk-ink-2)}
.sk-crumb a:hover{color:#fff}
.sk-crumb span[aria-current]{color:#fff}
.sk-hero .sk-badge{margin-bottom:18px}
.sk-hero__sub{color:var(--sk-ink-2);font-size:16.5px;line-height:1.9;max-width:620px;margin-top:18px}
.sk-hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
/* 数据块 */
.sk-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:42px;padding-top:28px;border-top:1px solid var(--sk-line)}
.sk-stats li{min-width:120px}
.sk-stats b{display:block;font-size:clamp(26px,3vw,38px);line-height:1.1;color:var(--sk-ink);font-variant-numeric:tabular-nums;font-weight:700}
.sk-stats span{display:block;font-size:13px;color:var(--sk-ink-2);margin-top:6px;letter-spacing:.04em}
/* ================= 按钮 ================= */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--sk-r-btn);
  font-size:15px;font-weight:500;letter-spacing:.02em;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s var(--sk-ease),color .2s var(--sk-ease),border-color .2s var(--sk-ease),transform .2s var(--sk-ease);
}
.sk-btn--primary{background:var(--sk-primary);color:#fff}
.sk-btn--primary:hover{background:var(--sk-primary-2);color:#fff;transform:translateY(-1px)}
.sk-btn--primary:active{transform:translateY(1px)}
.sk-btn--ghost{background:transparent;border-color:var(--sk-line-2);color:var(--sk-ink)}
.sk-btn--ghost:hover{border-color:var(--sk-primary-2);color:var(--sk-primary-2)}
.sk-btn--sm{height:40px;padding:0 16px;font-size:14px}
.sk-btn--block{width:100%}
/* ================= 徽章 / 标签 ================= */
.sk-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--sk-r-badge);
  font-size:12px;letter-spacing:.06em;background:rgba(110,75,242,.16);color:#C6B6FF;
}
.sk-badge--gold{background:rgba(240,178,74,.14);color:var(--sk-accent)}
.sk-badge--mint{background:rgba(87,217,192,.14);color:var(--sk-mint)}
.sk-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
/* ================= 卡片 ================= */
.sk-card{
  background:var(--sk-night-2);border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  padding:24px;transition:border-color .24s var(--sk-ease),transform .24s var(--sk-ease),box-shadow .24s var(--sk-ease);
}
.sk-card:hover{border-color:var(--sk-line-2);transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.sk-card__icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(110,75,242,.14);color:var(--sk-primary-2);font-size:18px;margin-bottom:18px;
}
.sk-card p{color:var(--sk-ink-2);font-size:14.5px;line-height:1.85;margin-top:10px}
.sk-card__num{font-size:12px;letter-spacing:.16em;color:var(--sk-accent);font-variant-numeric:tabular-nums}
/* 图文卡片 */
.sk-media-card{
  background:var(--sk-night-2);border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  overflow:hidden;transition:border-color .24s var(--sk-ease),transform .24s var(--sk-ease),box-shadow .24s var(--sk-ease);
}
.sk-media-card:hover{border-color:var(--sk-line-2);transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.sk-media-card__pic{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sk-night-3)}
.sk-media-card__pic img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--sk-ease)}
.sk-media-card:hover .sk-media-card__pic img{transform:scale(1.03)}
.sk-media-card__body{padding:22px 24px 26px}
.sk-media-card__body p{color:var(--sk-ink-2);font-size:14.5px;line-height:1.85;margin-top:10px}
.sk-media-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;font-size:13px;color:var(--sk-ink-2)}
/* ================= 时间线 ================= */
.sk-tl{position:relative;padding-left:36px}
.sk-tl::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(110,75,242,.7),rgba(255,255,255,.06));
}
.sk-tl__item{position:relative;padding-bottom:56px}
.sk-tl__item:last-child{padding-bottom:0}
.sk-tl__dot{
  position:absolute;left:-36px;top:8px;width:15px;height:15px;border-radius:50%;
  border:2px solid var(--sk-primary);background:var(--sk-night);
  box-shadow:0 0 0 4px rgba(110,75,242,.12);
}
.sk-tl__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;align-items:center}
.sk-tl__item:nth-child(even) .sk-tl__text{order:2}
.sk-tl__item:nth-child(even) .sk-tl__media{order:1}
.sk-tl__step{font-size:12px;letter-spacing:.16em;color:var(--sk-accent);font-variant-numeric:tabular-nums}
.sk-tl__text h3{margin-top:10px}
.sk-tl__text p{color:var(--sk-ink-2);font-size:14.5px;line-height:1.9;margin-top:12px}
.sk-tl__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.sk-tl__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--sk-r-img);border:1px solid var(--sk-line)}
/* ================= 适用人群列表 ================= */
.sk-people{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.sk-person{
  display:flex;gap:16px;padding:22px;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  background:var(--sk-night-2);transition:border-color .24s var(--sk-ease),background .24s var(--sk-ease);
}
.sk-person:hover{border-color:var(--sk-line-2);background:var(--sk-night-3)}
.sk-person i{color:var(--sk-primary-2);font-size:18px;line-height:1.6}
.sk-person h3{font-size:16.5px}
.sk-person p{color:var(--sk-ink-2);font-size:14px;line-height:1.8;margin-top:8px}
/* ================= 对比 / 数值行 ================= */
.sk-rows{border-top:1px solid var(--sk-line)}
.sk-row{display:grid;grid-template-columns:180px minmax(0,1fr);gap:24px;padding:20px 0;border-bottom:1px solid var(--sk-line)}
.sk-row dt{font-size:13.5px;color:var(--sk-ink-2);letter-spacing:.04em}
.sk-row dd{margin:0;font-size:15px;color:var(--sk-ink)}
.sk-row dd b{color:var(--sk-accent);font-variant-numeric:tabular-nums}
/* ================= FAQ ================= */
.sk-faq{border-top:1px solid var(--sk-line)}
.sk-faq__item{border-bottom:1px solid var(--sk-line)}
.sk-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:16px;font-weight:700;color:var(--sk-ink);
  transition:color .2s var(--sk-ease);
}
.sk-faq__q:hover{color:var(--sk-primary-2)}
.sk-faq__sign{position:relative;flex:0 0 16px;width:16px;height:16px}
.sk-faq__sign::before,.sk-faq__sign::after{
  content:"";position:absolute;background:var(--sk-ink-2);transition:transform .24s var(--sk-ease),background .24s var(--sk-ease);
}
.sk-faq__sign::before{left:7px;top:0;width:2px;height:16px}
.sk-faq__sign::after{left:0;top:7px;width:16px;height:2px}
.sk-faq__item.is-open .sk-faq__sign::before{transform:scaleY(0);background:var(--sk-primary-2)}
.sk-faq__item.is-open .sk-faq__sign::after{background:var(--sk-primary-2)}
.sk-faq__a{max-height:0;overflow:hidden;transition:max-height .32s var(--sk-ease)}
.sk-faq__item.is-open .sk-faq__a{max-height:420px}
.sk-faq__a p{padding:0 4px 24px;color:var(--sk-ink-2);font-size:15px;line-height:1.9;max-width:820px}
/* ================= CTA / 表单 ================= */
.sk-band{
  position:relative;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);overflow:hidden;
  background:var(--sk-night-2);
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:36px 36px;
}
.sk-band__inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:34px 32px}
.sk-band h2{font-family:var(--sk-serif);font-size:clamp(20px,2.2vw,28px);font-weight:500}
.sk-band p{color:var(--sk-ink-2);font-size:14.5px;margin-top:10px;max-width:560px}
.sk-band__cta{display:flex;flex-wrap:wrap;gap:12px}
.sk-form-wrap{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px;align-items:start}
.sk-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:8px}
.sk-field{display:flex;flex-direction:column;gap:8px}
.sk-field--full{grid-column:1/-1}
.sk-field label{font-size:13px;color:var(--sk-ink-2);letter-spacing:.04em}
.sk-field input,.sk-field select,.sk-field textarea{
  width:100%;background:var(--sk-night-3);border:1px solid var(--sk-line);border-radius:var(--sk-r-btn);
  color:var(--sk-ink);padding:0 14px;height:48px;outline:none;
  transition:border-color .2s var(--sk-ease),box-shadow .2s var(--sk-ease),background .2s var(--sk-ease);
}
.sk-field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical}
.sk-field input:focus,.sk-field select:focus,.sk-field textarea:focus{
  border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.28);background:#191C33;
}
.sk-field input::placeholder,.sk-field textarea::placeholder{color:#6E7291}
.sk-trust{display:flex;flex-direction:column;gap:18px;padding:24px;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);background:var(--sk-night-2)}
.sk-trust li{display:flex;gap:12px;font-size:14px;color:var(--sk-ink-2);line-height:1.75}
.sk-trust i{color:var(--sk-mint);margin-top:5px}
.sk-trust b{display:block;color:var(--sk-ink);font-size:15px;margin-bottom:4px;font-weight:600}
/* ================= 页脚 ================= */
.sk-footer{background:#080910;border-top:1px solid var(--sk-line);margin-top:0;padding:56px 0 0}
.sk-footer__grid{
  max-width:1320px;margin:0 auto;padding:0 24px 44px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
}
.sk-footer__brand b{display:block;font-family:var(--sk-serif);font-size:20px;letter-spacing:.08em}
.sk-footer__brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--sk-ink-2);margin:4px 0 14px}
.sk-footer__brand p{font-size:13.5px;color:var(--sk-ink-2);line-height:1.8;max-width:300px}
.sk-footer h4{font-size:13px;letter-spacing:.14em;color:var(--sk-ink);margin-bottom:16px;font-weight:600}
.sk-footer__list{display:flex;flex-direction:column;gap:10px}
.sk-footer__list a{font-size:14px;color:var(--sk-ink-2)}
.sk-footer__list a:hover{color:var(--sk-primary-2)}
.sk-footer__contact li{font-size:14px;color:var(--sk-ink-2);line-height:2}
.sk-footer__contact b{color:var(--sk-ink);font-weight:600;font-variant-numeric:tabular-nums}
.sk-sub{display:flex;gap:8px;margin-top:14px}
.sk-sub input{
  flex:1;min-width:0;height:40px;padding:0 12px;background:var(--sk-night-3);
  border:1px solid var(--sk-line);border-radius:var(--sk-r-btn);color:var(--sk-ink);outline:none;font-size:14px;
  transition:border-color .2s var(--sk-ease),box-shadow .2s var(--sk-ease);
}
.sk-sub input:focus{border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.28)}
.sk-footer__bottom{
  max-width:1320px;margin:0 auto;padding:20px 24px;
  border-top:1px solid var(--sk-line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--sk-ink-2);
}
/* ================= 动效 ================= */
.sk-rise{opacity:0;transform:translateY(12px);transition:opacity .5s var(--sk-ease),transform .5s var(--sk-ease)}
.sk-rise.is-in{opacity:1;transform:none}
/* ================= 响应式 ================= */
@media (max-width:1279.98px){
  .sk-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sk-footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1023.98px){
  :root{--sk-gap:64px}
  .sk-sidebar{
    width:min(82vw,320px);right:0;left:auto;transform:translateX(100%);
    transition:transform .28s var(--sk-ease);overflow-y:auto;z-index:65;
  }
  .sk-sidebar.is-open{transform:translateX(0)}
  .sk-nav__item{height:52px;font-size:15px}
  .sk-topbar{display:flex}
  .sk-main{margin-left:0;padding-top:56px}
  .sk-hero__inner{padding:40px 0 48px}
  .sk-tl__grid{grid-template-columns:minmax(0,1fr);gap:22px}
  .sk-tl__item:nth-child(even) .sk-tl__text{order:1}
  .sk-tl__item:nth-child(even) .sk-tl__media{order:2}
  .sk-form-wrap{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:767.98px){
  :root{--sk-gap:56px}
  .sk-wrap{padding:0 18px}
  .sk-grid--2,.sk-grid--3,.sk-grid--4{grid-template-columns:minmax(0,1fr)}
  .sk-people{grid-template-columns:minmax(0,1fr)}
  .sk-form{grid-template-columns:minmax(0,1fr)}
  .sk-stats{gap:28px}
  .sk-row{grid-template-columns:minmax(0,1fr);gap:6px}
  .sk-band__inner{padding:26px 20px}
  .sk-band__cta .sk-btn{width:100%}
  .sk-footer__grid{grid-template-columns:1fr;gap:28px}
  .sk-footer__bottom{flex-direction:column}
  .sk-hero__cta .sk-btn{width:100%}
  .sk-tl{padding-left:28px}
  .sk-tl__dot{left:-28px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .sk-rise{opacity:1;transform:none}
}

/* roulang page: category5 */
:root{
  --sk-night:#0A0B12;
  --sk-night-2:#101223;
  --sk-night-3:#171A2E;
  --sk-line:rgba(255,255,255,.08);
  --sk-line-2:rgba(255,255,255,.18);
  --sk-ink:#E9EAF2;
  --sk-ink-2:#A6A9C0;
  --sk-primary:#6E4BF2;
  --sk-primary-2:#9B7BFF;
  --sk-accent:#F0B24A;
  --sk-mint:#57D9C0;
  --sk-r-card:16px;
  --sk-r-btn:10px;
  --sk-r-img:14px;
  --sk-gap:88px;
  --sk-ease:cubic-bezier(.2,.7,.2,1);
  --sk-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  --sk-serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--sk-night);color:var(--sk-ink);
  font-family:var(--sk-sans);font-size:15px;line-height:1.85;
  font-weight:400;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;font-family:var(--sk-serif);font-weight:600;line-height:1.25;
  color:var(--sk-ink);letter-spacing:.01em;
}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--sk-primary-2);text-decoration:none;transition:color .2s var(--sk-ease)}
a:hover{color:var(--sk-primary-2)}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px;margin:0}
::selection{background:rgba(110,75,242,.4);color:#fff}
.sk-skip{position:absolute;left:-9999px;top:0;background:var(--sk-primary);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.sk-skip:focus{left:0;color:#fff}

/* ---------- 壳层 ---------- */
.sk-shell{display:block;min-height:100vh}
.sk-content{display:flex;flex-direction:column;min-width:0;min-height:100vh;background:var(--sk-night)}

/* ---------- 左侧导航 ---------- */
.sk-sidebar{
  position:fixed;top:56px;left:0;bottom:0;z-index:70;width:82vw;max-width:320px;
  display:flex;flex-direction:column;gap:26px;
  padding:26px 18px 22px;background:#080910;border-right:1px solid var(--sk-line);
  overflow-y:auto;transform:translateX(-100%);
  transition:transform .3s var(--sk-ease);
}
.sk-sidebar::-webkit-scrollbar{width:6px}
.sk-sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:3px}
.sk-sidebar.is-open{transform:none}
.sk-brand{display:block;text-decoration:none;color:var(--sk-ink);padding:2px 12px 0}
.sk-brand b{display:block;font-family:var(--sk-serif);font-size:22px;font-weight:600;letter-spacing:.14em;line-height:1.1}
.sk-brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--sk-ink-2);margin-top:7px}
.sk-brand:hover{color:#fff}
.sk-nav{display:flex;flex-direction:column;gap:2px}
.sk-nav__item{
  position:relative;display:flex;align-items:center;height:46px;padding:0 12px;
  border-radius:8px;font-size:14.5px;color:var(--sk-ink-2);text-decoration:none;
  transition:background .2s var(--sk-ease),color .2s var(--sk-ease),transform .2s var(--sk-ease);
}
.sk-nav__item:hover{background:rgba(255,255,255,.045);color:#fff;transform:translateX(2px)}
.sk-nav__item.is-active{color:#fff;background:rgba(110,75,242,.13)}
.sk-nav__item.is-active::before{
  content:"";position:absolute;left:0;top:13px;bottom:13px;width:2px;border-radius:2px;background:var(--sk-primary);
}
.sk-side-foot{margin-top:auto;padding:0 12px;border-top:1px solid var(--sk-line);padding-top:20px}
.sk-side-foot p{font-size:13px;color:var(--sk-ink-2);line-height:1.7;margin:12px 0 0}
.sk-side-foot p b{color:var(--sk-ink);font-weight:700;letter-spacing:.02em}

/* ---------- 移动顶栏 ---------- */
.sk-topbar{
  position:sticky;top:0;z-index:80;display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 18px;background:rgba(8,9,16,.94);
  border-bottom:1px solid var(--sk-line);backdrop-filter:blur(12px);
}
.sk-topbar .sk-brand{padding:0}
.sk-topbar .sk-brand b{font-size:17px;letter-spacing:.1em}
.sk-topbar .sk-brand i{font-size:9px;letter-spacing:.28em;margin-top:4px}
.sk-burger{
  width:44px;height:44px;margin-right:-8px;background:transparent;border:1px solid var(--sk-line);
  border-radius:10px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  cursor:pointer;transition:border-color .2s var(--sk-ease),background .2s var(--sk-ease);
}
.sk-burger span{display:block;width:18px;height:1.5px;background:var(--sk-ink);border-radius:2px;transition:transform .25s var(--sk-ease),opacity .2s}
.sk-burger:hover{border-color:var(--sk-primary);background:rgba(110,75,242,.12)}
.sk-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.sk-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.sk-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.sk-scrim{
  position:fixed;inset:0;z-index:65;background:rgba(0,0,0,.62);
  opacity:0;visibility:hidden;transition:opacity .3s var(--sk-ease),visibility .3s;
}
.sk-scrim.is-open{opacity:1;visibility:visible}

/* ---------- 容器与排版 ---------- */
.sk-container{width:100%;max-width:1320px;margin:0 auto;padding:0 18px}
.sk-section{padding:56px 0}
.sk-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--sk-accent);margin-bottom:14px;font-weight:500;
}
.sk-head{max-width:760px;margin-bottom:34px}
.sk-head h2{font-size:clamp(22px,2.6vw,34px);font-weight:500;line-height:1.3}
.sk-head p{margin-top:14px;color:var(--sk-ink-2);font-size:15px;line-height:1.9}
.sk-rule{height:1px;background:var(--sk-line);border:0;margin:0}

/* ---------- Hero ---------- */
.sk-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--sk-line)}
.sk-hero__media{
  position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  transform:scale(1.03);
}
.sk-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,11,18,.97) 0%,rgba(10,11,18,.84) 46%,rgba(10,11,18,.46) 100%);
}
.sk-hero__stars{
  position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 14% 26%,#fff,transparent),
    radial-gradient(1.2px 1.2px at 32% 68%,#fff,transparent),
    radial-gradient(1.4px 1.4px at 58% 22%,#fff,transparent),
    radial-gradient(1.1px 1.1px at 76% 58%,#fff,transparent),
    radial-gradient(1.5px 1.5px at 88% 34%,#fff,transparent),
    radial-gradient(1.1px 1.1px at 46% 84%,#fff,transparent);
  animation:sk-twinkle 6s ease-in-out infinite;
}
@keyframes sk-twinkle{0%,100%{opacity:.06}50%{opacity:.09}}
.sk-hero__inner{position:relative;z-index:2;padding:34px 18px 52px;max-width:1320px;margin:0 auto}
.sk-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--sk-ink-2);margin-bottom:26px}
.sk-crumb a{color:var(--sk-ink-2);text-decoration:none}
.sk-crumb a:hover{color:var(--sk-primary-2)}
.sk-crumb span.is-current{color:#fff}
.sk-hero h1{
  font-size:clamp(28px,4.4vw,52px);font-weight:600;line-height:1.18;
  max-width:15em;margin:18px 0 0;
}
.sk-hero__lead{
  margin-top:20px;max-width:600px;font-size:16px;line-height:1.9;color:var(--sk-ink-2);
}
.sk-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.sk-hero__stats{
  display:flex;flex-wrap:wrap;gap:44px;margin-top:44px;padding-top:26px;border-top:1px solid var(--sk-line);
}
.sk-hero__stats li span{display:block;font-size:13px;color:var(--sk-ink-2);letter-spacing:.04em}
.sk-hero__stats li b{
  display:block;font-family:var(--sk-sans);font-size:29px;font-weight:700;
  font-variant-numeric:tabular-nums;line-height:1.2;margin-top:4px;
}
.sk-hero__stats li b em{font-style:normal;font-size:15px;color:var(--sk-ink-2);margin-left:4px;font-weight:500}

/* ---------- 徽章 / 标签 ---------- */
.sk-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;background:rgba(110,75,242,.16);color:#C6B4FF;
  border:1px solid rgba(110,75,242,.32);
}
.sk-badge--gold{background:rgba(240,178,74,.13);color:var(--sk-accent);border-color:rgba(240,178,74,.3)}
.sk-badge--mint{background:rgba(87,217,192,.12);color:var(--sk-mint);border-color:rgba(87,217,192,.28)}

/* ---------- 按钮 ---------- */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--sk-r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .24s var(--sk-ease),color .24s var(--sk-ease),
             border-color .24s var(--sk-ease),transform .24s var(--sk-ease),box-shadow .24s var(--sk-ease);
}
.sk-btn--primary{background:var(--sk-primary);color:#fff;border-color:var(--sk-primary)}
.sk-btn--primary:hover{background:var(--sk-primary-2);border-color:var(--sk-primary-2);color:#fff;transform:translateY(-1px)}
.sk-btn--primary:active{transform:translateY(1px)}
.sk-btn--ghost{background:transparent;color:var(--sk-ink);border-color:var(--sk-line-2)}
.sk-btn--ghost:hover{border-color:var(--sk-primary);color:var(--sk-primary-2)}
.sk-btn--sm{height:40px;padding:0 16px;font-size:14px}
.sk-btn--block{width:100%}
.sk-btn:focus-visible{outline:2px solid var(--sk-primary-2);outline-offset:2px}
.sk-link{color:var(--sk-primary-2);font-weight:500;display:inline-flex;align-items:center;gap:6px}
.sk-link:hover{text-decoration:underline}

/* ---------- 编号卖点（无卡横向） ---------- */
.sk-points{display:grid;gap:0;border-top:1px solid var(--sk-line)}
.sk-point{
  padding:26px 0 24px;border-bottom:1px solid var(--sk-line);
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
}
.sk-point__no{
  font-family:var(--sk-serif);font-size:20px;color:var(--sk-primary-2);font-weight:600;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;padding-top:2px;
}
.sk-point h3{font-family:var(--sk-sans);font-size:17px;font-weight:700;line-height:1.5;letter-spacing:0}
.sk-point p{margin:8px 0 0;color:var(--sk-ink-2);font-size:15px;line-height:1.9;max-width:70ch}

/* ---------- FAQ ---------- */
.sk-faq-wrap{background:var(--sk-night-2);border-top:1px solid var(--sk-line);border-bottom:1px solid var(--sk-line)}
.sk-faq{border-top:1px solid var(--sk-line);max-width:900px}
.sk-faq details{border-bottom:1px solid var(--sk-line)}
.sk-faq summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:19px 0;transition:color .2s var(--sk-ease);
}
.sk-faq summary::-webkit-details-marker{display:none}
.sk-faq summary:hover h3{color:var(--sk-primary-2)}
.sk-faq__q{margin:0;font-family:var(--sk-sans);font-size:16px;font-weight:700;line-height:1.6;color:var(--sk-ink);transition:color .2s var(--sk-ease)}
.sk-faq__sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--sk-line-2);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--sk-ink-2);
  transition:transform .24s var(--sk-ease),border-color .24s var(--sk-ease),color .24s var(--sk-ease);
}
.sk-faq__sign::before{content:"＋"}
.sk-faq details[open] .sk-faq__sign::before{content:"－"}
.sk-faq details[open] .sk-faq__sign{border-color:var(--sk-primary);color:var(--sk-primary-2);transform:rotate(180deg)}
.sk-faq__a{padding:0 44px 20px 0;color:var(--sk-ink-2);font-size:15px;line-height:1.9}
.sk-faq__a p{margin:0}

/* ---------- 作品卡片 ---------- */
.sk-works{margin-left:-10px;margin-right:-10px;max-width:none}
.sk-works>.columns{padding-left:10px;padding-right:10px;margin-bottom:20px}
.sk-card{
  display:flex;flex-direction:column;height:100%;background:var(--sk-night-2);
  border:1px solid var(--sk-line);border-radius:var(--sk-r-card);overflow:hidden;
  transition:transform .28s var(--sk-ease),border-color .28s var(--sk-ease),box-shadow .28s var(--sk-ease);
}
.sk-card:hover{transform:translateY(-2px);border-color:var(--sk-line-2);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.sk-card__img{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sk-night-3)}
.sk-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--sk-ease)}
.sk-card:hover .sk-card__img img{transform:scale(1.03)}
.sk-card__img .sk-badge{position:absolute;left:12px;top:12px;background:rgba(10,11,18,.78);backdrop-filter:blur(6px)}
.sk-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.sk-card__body h3{font-family:var(--sk-sans);font-size:17px;font-weight:700;line-height:1.5}
.sk-card__body p{margin:0;font-size:14.5px;line-height:1.85;color:var(--sk-ink-2)}
.sk-card__meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--sk-line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--sk-ink-2);
  font-variant-numeric:tabular-nums;
}
.sk-card__meta i{color:var(--sk-primary-2);transition:transform .24s var(--sk-ease);font-style:normal}
.sk-card:hover .sk-card__meta i{transform:translateX(3px)}

/* ---------- 时间线 ---------- */
.sk-timeline{position:relative;padding-left:30px;max-width:840px}
.sk-timeline::before{content:"";position:absolute;left:5px;top:10px;bottom:10px;width:1px;background:var(--sk-line-2)}
.sk-timeline li{position:relative;padding-bottom:30px}
.sk-timeline li:last-child{padding-bottom:0}
.sk-timeline li::before{
  content:"";position:absolute;left:-30px;top:9px;width:11px;height:11px;border-radius:50%;
  background:var(--sk-night);border:2px solid var(--sk-primary);
}
.sk-timeline h3{font-family:var(--sk-sans);font-size:16.5px;font-weight:700;line-height:1.5}
.sk-timeline p{margin:8px 0 0;color:var(--sk-ink-2);font-size:15px;line-height:1.9;max-width:64ch}
.sk-timeline .sk-step-tag{
  display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--sk-accent);
  font-variant-numeric:tabular-nums;margin-bottom:6px;
}

/* ---------- 数据行（点位与窗口） ---------- */
.sk-rows{border-top:1px solid var(--sk-line);margin-top:6px}
.sk-row{
  display:grid;grid-template-columns:minmax(140px,1fr) minmax(140px,1fr) minmax(0,2fr);
  gap:16px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--sk-line);
}
.sk-row b{font-size:15.5px;font-weight:700;letter-spacing:.01em}
.sk-row span{font-size:14px;color:var(--sk-accent);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.sk-row p{margin:0;font-size:14.5px;color:var(--sk-ink-2);line-height:1.8}

/* ---------- CTA 通栏 ---------- */
.sk-cta{
  background:var(--sk-night-2);border-top:1px solid var(--sk-line);border-bottom:1px solid var(--sk-line);
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:32px 32px;
}
.sk-cta__inner{
  display:grid;gap:22px;align-items:center;padding:52px 18px;max-width:1320px;margin:0 auto;
}
.sk-cta h2{font-size:clamp(21px,2.4vw,30px);font-weight:500;line-height:1.35;max-width:22em}
.sk-cta p{margin:12px 0 0;color:var(--sk-ink-2);font-size:15px;max-width:44ch;line-height:1.9}

/* ---------- 表单 ---------- */
.sk-form-wrap{display:grid;gap:34px}
.sk-form{display:grid;gap:18px}
.sk-form__two{display:grid;gap:18px}
.sk-field label{display:block;font-size:13px;color:var(--sk-ink-2);margin-bottom:8px;letter-spacing:.02em}
.sk-field input,.sk-field select,.sk-field textarea{
  width:100%;height:48px;padding:0 14px;color:var(--sk-ink);
  background:var(--sk-night-3);border:1px solid var(--sk-line);border-radius:10px;
  transition:border-color .2s var(--sk-ease),box-shadow .2s var(--sk-ease),background .2s var(--sk-ease);
  -webkit-appearance:none;appearance:none;
}
.sk-field textarea{height:auto;min-height:124px;padding:12px 14px;line-height:1.75;resize:vertical}
.sk-field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--sk-ink-2) 50%),
                   linear-gradient(135deg,var(--sk-ink-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px;
}
.sk-field input::placeholder,.sk-field textarea::placeholder{color:#6E7190}
.sk-field input:focus,.sk-field select:focus,.sk-field textarea:focus{
  outline:none;border-color:var(--sk-primary);background:#1A1D33;box-shadow:0 0 0 2px rgba(110,75,242,.32);
}
.sk-form__submit{margin-top:12px}
.sk-trust{display:grid;gap:16px;align-content:start}
.sk-trust li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}
.sk-trust i{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--sk-line);
  display:flex;align-items:center;justify-content:center;color:var(--sk-primary-2);font-size:14px;font-style:normal;
  background:rgba(110,75,242,.1);
}
.sk-trust b{display:block;font-size:14.5px;font-weight:700}
.sk-trust span{display:block;font-size:13.5px;color:var(--sk-ink-2);line-height:1.75;margin-top:3px}
.sk-form-note{font-size:12.5px;color:#6E7190;line-height:1.7;margin:0}

/* ---------- 页脚 ---------- */
.sk-footer{background:#080910;border-top:1px solid var(--sk-line);margin-top:auto}
.sk-footer__grid{
  max-width:1320px;margin:0 auto;padding:52px 18px 34px;
  display:grid;gap:32px;grid-template-columns:1fr;
}
.sk-footer__brand b{display:block;font-family:var(--sk-serif);font-size:20px;letter-spacing:.14em;font-weight:600}
.sk-footer__brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--sk-ink-2);margin-top:6px}
.sk-footer__brand p{margin:14px 0 0;font-size:13.5px;color:var(--sk-ink-2);line-height:1.85;max-width:30ch}
.sk-footer h4{
  font-family:var(--sk-sans);font-size:13px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--sk-ink-2);margin-bottom:16px;
}
.sk-footer__list{display:flex;flex-direction:column;gap:11px}
.sk-footer__list a{font-size:14px;color:var(--sk-ink-2);text-decoration:none}
.sk-footer__list a:hover{color:var(--sk-primary-2)}
.sk-footer__contact li{font-size:13.5px;color:var(--sk-ink-2);margin-bottom:10px;line-height:1.7}
.sk-footer__contact b{color:var(--sk-ink);font-weight:700;font-variant-numeric:tabular-nums}
.sk-sub{display:flex;gap:10px;margin-top:14px}
.sk-sub input{
  flex:1;min-width:0;height:40px;padding:0 12px;font-size:14px;color:var(--sk-ink);
  background:var(--sk-night-3);border:1px solid var(--sk-line);border-radius:10px;
  transition:border-color .2s var(--sk-ease),box-shadow .2s var(--sk-ease);
}
.sk-sub input::placeholder{color:#6E7190}
.sk-sub input:focus{outline:none;border-color:var(--sk-primary);box-shadow:0 0 0 2px rgba(110,75,242,.3)}
.sk-footer__bottom{
  max-width:1320px;margin:0 auto;padding:18px;border-top:1px solid var(--sk-line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:#6E7190;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--sk-ease),transform .6s var(--sk-ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (min-width:640px){
  .sk-container{padding:0 24px}
  .sk-hero__inner{padding:40px 24px 60px}
  .sk-cta__inner{padding:60px 24px}
  .sk-footer__grid{padding:56px 24px 36px;grid-template-columns:1fr 1fr}
  .sk-footer__bottom{padding:18px 24px}
  .sk-form__two{grid-template-columns:1fr 1fr}
  .sk-point{grid-template-columns:64px 1fr;gap:22px;padding:30px 0 28px}
}
@media (min-width:768px){
  .sk-section{padding:64px 0}
  .sk-cta__inner{grid-template-columns:1.4fr 1fr;gap:32px}
  .sk-cta__inner .sk-cta__action{text-align:right}
  .sk-form-wrap{grid-template-columns:1fr;gap:30px}
}
@media (min-width:1024px){
  .sk-shell{display:grid;grid-template-columns:236px minmax(0,1fr)}
  .sk-sidebar{
    position:sticky;top:0;bottom:auto;left:auto;width:auto;max-width:none;
    height:100vh;transform:none;transition:none;z-index:10;
  }
  .sk-topbar{display:none}
  .sk-scrim{display:none}
  .sk-section{padding:88px 0}
  .sk-hero__inner{padding:46px 24px 76px}
  .sk-form-wrap{grid-template-columns:1.55fr 1fr;gap:48px}
  .sk-faq__q{font-size:16.5px}
}
@media (min-width:1200px){
  .sk-footer__grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}
}
@media (max-width:1023px){
  .sk-row{grid-template-columns:1fr;gap:6px}
  .sk-row span{margin-top:-2px}
}
@media (max-width:520px){
  .sk-hero__actions .sk-btn{width:100%}
  .sk-hero__stats{gap:26px}
  .sk-hero__stats li b{font-size:24px}
  .sk-cta__inner{padding:44px 18px}
  .sk-footer__grid{padding:44px 18px 28px}
  .sk-point{grid-template-columns:40px 1fr;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}