/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --bg:#0B0C0E;
  --bg-2:#101216;
  --card:#16191E;
  --card-2:#1C2026;
  --lime:#C8F751;
  --orange:#FF5A2B;
  --cyan:#6BE8FF;
  --text:#F3F5F6;
  --text-2:#A8B0BA;
  --text-3:#6E7681;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --lime-soft:rgba(200,247,81,.35);
  --lime-glow:rgba(200,247,81,.15);
  --paper:#F2F3EE;
  --paper-text:#0B0C0E;
  --paper-text-2:#4A5058;
  --r-card:12px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 18px 40px -28px rgba(0,0,0,.9);
  --mono:ui-monospace,"DIN Alternate","Barlow Condensed",system-ui,sans-serif;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
/* ===== reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;}
h1,h2,h3,h4{line-height:1.25;font-weight:700;letter-spacing:-.01em;}
:where(a,button,input,textarea,summary,[tabindex]):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:4px;
}
/* ===== 基础容器 ===== */
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1024px){.site-container{padding:0 32px;}}
.site-section{padding:56px 0;position:relative;}
@media (min-width:768px){.site-section{padding:72px 0;}}
@media (min-width:1024px){.site-section{padding:96px 0;}}
.site-section--tight{padding:44px 0;}
@media (min-width:1024px){.site-section--tight{padding:64px 0;}}
.site-section--alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.site-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px 32px;flex-wrap:wrap;margin-bottom:32px;}
@media (min-width:1024px){.site-sec-head{margin-bottom:48px;}}
.site-sec-head__lead{max-width:760px;}
.site-sec-num{
  font-family:var(--mono);
  font-size:3.5rem;
  font-weight:800;
  line-height:1;
  color:rgba(255,255,255,.05);
  letter-spacing:-.04em;
  display:none;
}
@media (min-width:1024px){
  .site-sec-num{display:block;font-size:5rem;margin-bottom:8px;}
}
.site-h2{
  font-size:clamp(1.5rem,2.6vw,2.25rem);
  font-weight:700;
  line-height:1.25;
  position:relative;
  padding-left:16px;
  letter-spacing:-.02em;
}
.site-h2::before{
  content:"";
  position:absolute;
  left:0;top:.18em;
  width:3px;height:.9em;
  background:var(--lime);
  border-radius:2px;
}
.site-h3{font-size:1.125rem;font-weight:600;line-height:1.45;}
.site-desc{color:var(--text-2);font-size:15px;line-height:1.85;max-width:640px;}
/* ===== 按钮 ===== */
.site-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 28px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1.4;
  border:1px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
  text-align:center;
}
.site-btn--primary{background:var(--lime);color:#0B0C0E;}
.site-btn--primary:hover{background:transparent;color:var(--lime);border-color:var(--lime);box-shadow:0 0 0 4px var(--lime-glow);}
.site-btn--primary:active{transform:translateY(1px);}
.site-btn--ghost{background:transparent;color:var(--text);border-color:var(--line-strong);}
.site-btn--ghost:hover{border-color:var(--lime);color:var(--lime);}
.site-btn--sm{min-height:40px;padding:9px 20px;font-size:14px;border-radius:8px;}
.site-btn[disabled],.site-btn.is-disabled{opacity:.45;pointer-events:none;}
.site-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--lime);font-size:14px;font-weight:600;
  min-height:44px;
  background-image:linear-gradient(var(--lime),var(--lime));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 1px;
  transition:background-size .28s var(--ease),color .2s var(--ease);
}
.site-link::after{content:"→";transition:transform .24s var(--ease);display:inline-block;}
.site-link:hover{background-size:100% 1px;color:#e2ff9a;}
.site-link:hover::after{transform:translateX(4px);}
/* ===== 徽章 / 标签 ===== */
.site-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-pill);
  border:1px solid var(--lime-soft);
  color:var(--lime);font-size:13px;line-height:1.7;
  white-space:nowrap;
}
.site-badge--cat{background:rgba(200,247,81,.08);}
.site-badge--hot{border-color:rgba(255,90,43,.45);color:var(--orange);background:rgba(255,90,43,.08);}
/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(11,12,14,.82);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,var(--lime),rgba(200,247,81,0));
  opacity:.65;pointer-events:none;
}
.site-header__inner{
  max-width:var(--container);margin:0 auto;
  padding:0 24px;height:60px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
@media (min-width:1024px){.site-header__inner{height:72px;padding:0 32px;}}
.site-brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;}
.site-brand__mark{
  width:32px;height:32px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--lime-soft);
  background:rgba(200,247,81,.08);
  flex:0 0 auto;
}
.site-brand__mark svg{width:18px;height:18px;stroke:var(--lime);fill:none;stroke-width:2;}
.site-brand__text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.site-nav{display:none;}
@media (min-width:1024px){
  .site-nav{display:flex;align-items:center;gap:2px;margin-left:auto;margin-right:12px;}
}
.site-nav__link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:8px 14px;
  font-size:15px;color:var(--text-2);
  transition:color .2s var(--ease);
}
.site-nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.site-nav__link:hover{color:var(--text);}
.site-nav__link:hover::after{transform:scaleX(1);}
.site-nav__link.is-active{color:var(--text);text-shadow:0 0 12px var(--lime-soft);}
.site-nav__link.is-active::after{transform:scaleX(.6);}
.site-header__actions{display:flex;align-items:center;gap:10px;}
.site-header__cta{display:none;}
@media (min-width:768px){.site-header__cta{display:inline-flex;}}
.site-burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;
  border:1px solid var(--line-strong);border-radius:8px;
}
@media (min-width:1024px){.site-burger{display:none;}}
.site-burger span{display:block;height:2px;width:100%;background:var(--text-2);border-radius:2px;transition:background .2s var(--ease),transform .2s var(--ease);}
.site-burger:hover span{background:var(--lime);}
/* ===== 移动抽屉 ===== */
.site-drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--bg);
  display:flex;flex-direction:column;
  padding:20px 24px 32px;
  transform:translateX(102%);
  transition:transform .32s var(--ease);
  overflow-y:auto;
  visibility:hidden;
}
.site-drawer.is-open{transform:translateX(0);visibility:visible;}
@media (min-width:1024px){.site-drawer{display:none;}}
.site-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.site-drawer__close{
  width:44px;height:44px;border:1px solid var(--line-strong);border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;color:var(--text-2);
}
.site-drawer__close:hover{color:var(--lime);border-color:var(--lime);}
.site-drawer__nav{display:flex;flex-direction:column;gap:4px;}
.site-drawer__link{
  display:block;padding:14px 4px;
  font-size:20px;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line);
  min-height:44px;
}
.site-drawer__link.is-active{color:var(--lime);}
.site-drawer__foot{margin-top:auto;padding-top:28px;}
.site-drawer__foot .site-btn{width:100%;}
/* ===== Hero ===== */
.site-hero{
  position:relative;
  padding:56px 0 56px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:radial-gradient(900px 480px at 78% 8%,rgba(200,247,81,.10),transparent 62%),var(--bg);
}
@media (min-width:1024px){.site-hero{padding:96px 0 100px;}}
.site-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.9;
}
.site-hero .site-container{position:relative;z-index:2;}
.site-hero__copy{max-width:680px;}
.site-h1{
  font-size:clamp(2.1rem,4.6vw,3.9rem);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
  margin:16px 0 0;
}
.site-hero__sub{
  margin-top:18px;
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  max-width:560px;
}
@media (min-width:768px){.site-hero__sub{font-size:17px;}}
.site-hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.site-hero__btns .site-btn{flex:1 1 200px;}
@media (min-width:640px){.site-hero__btns .site-btn{flex:0 0 auto;}}
.site-hero__stats{
  display:flex;flex-wrap:wrap;gap:24px 40px;
  margin-top:36px;padding-top:24px;
  border-top:1px solid var(--line);
}
.site-hero__stats li{display:flex;flex-direction:column;gap:2px;}
.site-hero__stat-num{
  font-family:var(--mono);
  font-size:1.5rem;font-weight:700;color:var(--lime);
  line-height:1.2;letter-spacing:.02em;
}
.site-hero__stat-label{font-size:13px;color:var(--text-3);}
.site-hero__visual{position:relative;margin-top:40px;}
@media (min-width:1024px){.site-hero__visual{margin-top:0;}}
.site-hero__visual::before{
  content:"";position:absolute;inset:-18% -10% auto auto;width:340px;height:340px;
  background:radial-gradient(circle,rgba(200,247,81,.18),transparent 68%);
  pointer-events:none;z-index:0;
}
.site-hero__frame{
  position:relative;z-index:1;
  border:1px solid var(--lime-soft);
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
  background:var(--card);
}
.site-hero__frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.site-hero__frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,14,0) 45%,rgba(11,12,14,.72) 100%);
  pointer-events:none;
}
/* ===== 信任条 ===== */
.site-trust{border-bottom:1px solid var(--line);background:var(--bg-2);padding:18px 0;}
.site-trust ul{display:flex;align-items:center;gap:16px 32px;flex-wrap:wrap;}
.site-trust li{
  font-size:13px;color:var(--text-3);letter-spacing:.06em;
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
}
.site-trust li::before{content:"";width:4px;height:4px;border-radius:50%;background:rgba(200,247,81,.5);}
/* ===== 卡片 ===== */
.site-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:border-color .28s var(--ease),transform .28s var(--ease),background .28s var(--ease);
}
@media (min-width:768px){.site-card{padding:28px;}}
.site-card:hover{border-color:var(--lime-soft);transform:translateY(-2px);}
.site-card__img{
  border-radius:var(--r-img);overflow:hidden;background:var(--card-2);
}
.site-card__img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease);}
.site-card:hover .site-card__img img{transform:scale(1.03);}
.site-icon{
  width:40px;height:40px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--lime-soft);background:rgba(200,247,81,.08);
  margin-bottom:16px;
}
.site-icon svg{width:20px;height:20px;stroke:var(--lime);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
/* ===== 价值区 ===== */
.site-value__grid{margin-top:8px;}
.site-value__lead{display:flex;flex-direction:column;height:100%;}
.site-value__lead p{margin-top:12px;}
.site-value__lead .site-card__img{margin-top:20px;}
.site-value__stack{display:flex;flex-direction:column;gap:24px;height:100%;}
.site-value__mini{flex:1 1 auto;}
.site-value__mini p{margin-top:10px;color:var(--text-2);font-size:15px;}
.site-value__lead .grid-x{margin-top:-8px;}
/* ===== 功能轮播 ===== */
.site-shots-wrap{position:relative;}
.site-shots{
  display:flex;gap:24px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding-bottom:6px;
}
.site-shots::-webkit-scrollbar{display:none;}
.site-shot{
  flex:0 0 86%;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .28s var(--ease),transform .28s var(--ease);
}
@media (min-width:768px){.site-shot{flex:0 0 calc(50% - 12px);}}
@media (min-width:1024px){.site-shot{flex:0 0 calc(33.333% - 16px);}}
.site-shot:hover{border-color:var(--lime-soft);transform:translateY(-2px);}
.site-shot__img{position:relative;background:var(--card-2);overflow:hidden;}
.site-shot__img img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease);}
.site-shot:hover .site-shot__img img{transform:scale(1.03);}
.site-shot__idx{
  position:absolute;top:12px;left:12px;
  font-family:var(--mono);font-size:13px;font-weight:700;
  color:#0B0C0E;background:var(--lime);
  padding:1px 8px;border-radius:6px;letter-spacing:.04em;
}
.site-shot__cap{padding:14px 18px;font-size:14px;color:var(--text-2);}
.site-shots__ctrl{display:flex;align-items:center;gap:12px;margin-top:24px;}
.site-arrow{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);font-size:16px;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.site-arrow:hover{background:var(--lime);color:#0B0C0E;border-color:var(--lime);}
.site-shots__bar{flex:1 1 auto;height:3px;background:rgba(255,255,255,.08);border-radius:2px;max-width:220px;overflow:hidden;}
.site-shots__bar i{display:block;height:100%;width:28%;background:var(--lime);border-radius:2px;transition:transform .42s var(--ease);}
/* ===== 系统要求（浅色反白） ===== */
.site-paper{
  background:var(--paper);
  color:var(--paper-text);
  padding:56px 0;
}
@media (min-width:768px){.site-paper{padding:72px 0;}}
@media (min-width:1024px){.site-paper{padding:96px 0;}}
.site-paper .site-h2{color:var(--paper-text);}
.site-paper .site-h2::before{background:#0B0C0E;}
.site-paper__lead{color:var(--paper-text-2);font-size:15px;margin-top:14px;max-width:480px;line-height:1.9;}
.site-spec{margin-top:28px;display:flex;flex-direction:column;gap:24px;}
.site-spec__group h3{font-size:15px;font-weight:700;color:var(--paper-text);letter-spacing:.02em;margin-bottom:10px;}
.site-spec__list li{
  display:flex;justify-content:space-between;gap:16px;
  padding:9px 0;border-bottom:1px dashed rgba(11,12,14,.14);
  font-size:15px;
}
.site-spec__list li span:first-child{color:var(--paper-text-2);font-size:14px;}
.site-spec__list li span:last-child{font-weight:700;color:var(--paper-text);font-family:var(--mono);font-size:14px;}
.site-plats{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}
.site-plat{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 18px;border-radius:var(--r-btn);
  background:#fff;border:1px solid rgba(11,12,14,.12);
  color:var(--paper-text);font-size:14px;font-weight:600;
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.site-plat:hover{border-color:#0B0C0E;transform:translateY(-2px);}
.site-plat b{font-family:var(--mono);font-size:12px;color:var(--paper-text-2);font-weight:400;}
.site-paper__note{margin-top:28px;font-size:13px;color:var(--paper-text-2);line-height:1.8;border-top:1px solid rgba(11,12,14,.12);padding-top:16px;}
/* ===== 评价墙 ===== */
.site-quotes{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.site-quotes{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.site-quotes{grid-template-columns:repeat(3,1fr);gap:24px;}}
.site-quote{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 24px 20px 26px;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-quote::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:2px;
  background:var(--lime);border-radius:2px;
}
.site-quote:hover{transform:translateY(-2px);border-color:var(--lime-soft);box-shadow:var(--shadow-card);}
@media (min-width:1024px){
  .site-quote:nth-child(2n){transform:translateY(22px);}
  .site-quote:nth-child(2n):hover{transform:translateY(20px);}
}
.site-stars{display:flex;gap:3px;color:var(--lime);font-size:15px;letter-spacing:2px;}
.site-quote p{margin-top:12px;font-size:16px;line-height:1.8;color:var(--text);}
.site-quote__foot{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);}
.site-avatar{
  width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#0B0C0E;background:var(--lime);
  flex:0 0 auto;
}
.site-quote__who{font-size:13px;color:var(--text-3);}
/* ===== 下载 CTA ===== */
.site-dl{padding:64px 0;text-align:center;background:radial-gradient(700px 320px at 50% 0%,rgba(200,247,81,.08),transparent 70%),var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
@media (min-width:1024px){.site-dl{padding:96px 0;}}
.site-dl .site-h2{padding-left:0;display:inline-block;}
.site-dl .site-h2::before{display:none;}
.site-dl__sub{color:var(--text-2);font-size:15px;margin-top:14px;}
.site-dl__grid{display:grid;grid-template-columns:1fr;gap:14px;margin:32px auto 0;max-width:900px;}
@media (min-width:768px){.site-dl__grid{grid-template-columns:repeat(3,1fr);}}
.site-dlbtn{
  display:flex;align-items:center;gap:14px;
  padding:14px 20px;min-height:64px;
  background:var(--card);border:1px solid var(--line-strong);
  border-radius:var(--r-btn);text-align:left;
  transition:border-color .24s var(--ease),transform .24s var(--ease),background .24s var(--ease);
}
.site-dlbtn:hover{border-color:var(--lime);background:var(--card-2);transform:translateY(-2px);}
.site-dlbtn__icon{width:26px;height:26px;flex:0 0 auto;stroke:var(--lime);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.site-dlbtn__txt{display:flex;flex-direction:column;line-height:1.5;}
.site-dlbtn__name{font-size:15px;font-weight:700;color:var(--text);}
.site-dlbtn__meta{font-family:var(--mono);font-size:12px;color:var(--text-3);letter-spacing:.02em;}
.site-dl__note{margin-top:20px;font-size:13px;color:var(--text-3);}
.site-dl__more{margin-top:8px;}
/* ===== 资讯（CMS） ===== */
.site-news__grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.site-news__grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.site-news__grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.site-news__card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
  height:100%;
}
.site-news__card:hover{border-color:var(--lime-soft);transform:translateY(-2px);box-shadow:var(--shadow-card);}
.site-news__link{display:flex;flex-direction:column;height:100%;padding:24px;gap:10px;}
.site-news__link h3{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.site-news__link p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.site-news__time{font-family:var(--mono);font-size:13px;color:var(--text-3);letter-spacing:.02em;margin-top:auto;padding-top:6px;}
.site-news__rows{margin-top:20px;border-top:1px solid var(--line);}
.site-news__row{}
.site-news__row a{
  display:flex;align-items:center;gap:14px;
  padding:16px 4px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
  min-height:44px;
}
.site-news__row a:hover{background:rgba(255,255,255,.03);padding-left:10px;}
.site-news__row-title{
  flex:1 1 auto;font-size:15px;color:var(--text);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.site-news__row time{font-family:var(--mono);font-size:13px;color:var(--text-3);flex:0 0 auto;}
.site-empty{
  border:1px dashed rgba(255,255,255,.12);
  border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:12px;
}
.site-empty p{font-size:15px;color:var(--text-2);}
/* ===== FAQ ===== */
.site-faq{max-width:900px;}
.site-faq__item{border-bottom:1px solid var(--line);}
.site-faq__item:first-child{border-top:1px solid var(--line);}
.site-faq__btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 20px 16px;
  font-size:16px;font-weight:600;color:var(--text);text-align:left;
  position:relative;min-height:44px;
  transition:color .2s var(--ease);
}
.site-faq__btn::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  background:var(--lime);border-radius:2px;
  opacity:0;transition:opacity .24s var(--ease);
}
.site-faq__item.is-open .site-faq__btn::before{opacity:1;}
.site-faq__btn:hover{color:var(--lime);}
.site-faq__icon{
  flex:0 0 auto;width:20px;height:20px;position:relative;
  transition:transform .28s var(--ease);
}
.site-faq__icon::before,.site-faq__icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;
  transition:background .2s var(--ease);
}
.site-faq__icon::before{left:0;right:0;top:9px;height:2px;}
.site-faq__icon::after{top:0;bottom:0;left:9px;width:2px;}
.site-faq__btn:hover .site-faq__icon::before,
.site-faq__btn:hover .site-faq__icon::after{background:var(--lime);}
.site-faq__item.is-open .site-faq__icon{transform:rotate(45deg);}
.site-faq__item.is-open .site-faq__icon::before,
.site-faq__item.is-open .site-faq__icon::after{background:var(--lime);}
.site-faq__panel{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.site-faq__body{padding:0 0 22px 16px;font-size:15px;line-height:1.85;color:var(--text-2);}
/* ===== 页脚 ===== */
.site-footer{background:var(--bg);position:relative;padding:56px 0 0;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--lime),rgba(200,247,81,.05) 60%,transparent);
}
@media (min-width:1024px){.site-footer{padding-top:72px;}}
.site-footer__grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){.site-footer__grid{grid-template-columns:repeat(2,1fr);gap:32px;}}
@media (min-width:1024px){.site-footer__grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.site-footer__brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.site-footer__about{font-size:14px;color:var(--text-2);line-height:1.85;max-width:320px;}
.site-footer__mail{display:inline-block;margin-top:14px;font-family:var(--mono);font-size:13px;color:var(--text-3);}
.site-footer__mail:hover{color:var(--lime);}
.site-footer h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;letter-spacing:.04em;}
.site-footer__list li{margin-bottom:2px;}
.site-footer__list a{
  display:inline-block;padding:7px 0;font-size:14px;color:var(--text-2);min-height:36px;
  background-image:linear-gradient(var(--lime),var(--lime));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:color .2s var(--ease),background-size .28s var(--ease);
}
.site-footer__list a:hover{color:var(--lime);background-size:100% 1px;}
.site-footer__info{font-size:14px;color:var(--text-2);line-height:1.9;}
.site-footer__info strong{color:var(--text);font-weight:600;}
.site-footer__bottom{
  margin-top:40px;padding:20px 0 28px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  font-size:13px;color:var(--text-3);
}
.site-footer__domain{font-family:var(--mono);font-size:13px;color:var(--text-3);letter-spacing:.04em;}
/* ===== 动效 ===== */
.site-reveal{opacity:0;transform:translateY(14px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.site-reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .site-reveal{opacity:1;transform:none;}
  .site-shots{scroll-behavior:auto;}
}
/* ===== 小屏微调 ===== */
@media (max-width:639px){
  .site-hero__stats{gap:18px 28px;}
  .site-hero__stat-num{font-size:1.25rem;}
  .site-quote p{font-size:15px;}
  .site-news__row a{gap:10px;}
  .site-news__row .site-badge{display:none;}
}

/* roulang page: category1 */
:root{
  --bg:#0B0C0E;
  --bg-2:#101216;
  --card:#16191E;
  --card-hi:#1C2026;
  --lime:#C8F751;
  --orange:#FF5A2B;
  --cyan:#6BE8FF;
  --fg:#F3F5F6;
  --fg-2:#A8B0BA;
  --fg-3:#6E7681;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --lime-line:rgba(200,247,81,.35);
  --light-bg:#F2F3EE;
  --r-card:12px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 18px 40px -28px rgba(0,0,0,.9);
  --shadow-hover:0 1px 0 rgba(255,255,255,.06) inset, 0 10px 24px -18px rgba(0,0,0,.85);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --h1:clamp(2rem,3.7vw,3.1rem);
  --h2:clamp(1.5rem,2.6vw,2.25rem);
  --h3:1.2rem;
  --fz-body:16px;
  --fz-sm:14px;
  --fz-xs:13px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"DIN Alternate","Barlow Condensed",system-ui,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font-sans);
  font-size:var(--fz-body);
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--lime);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--cyan);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--fg);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(200,247,81,.28);color:#fff;}

/* 容器 */
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1024px){.site-container{padding:0 32px;}}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,12,14,.82);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,var(--lime) 0%,rgba(200,247,81,.28) 38%,rgba(200,247,81,0) 100%);
}
.site-header__inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:60px;
}
@media (min-width:1024px){.site-header__inner{height:72px;gap:32px;}}
.site-brand{display:inline-flex;align-items:center;gap:10px;color:var(--fg);flex:0 0 auto;}
.site-brand:hover{color:var(--fg);}
.site-brand__mark{
  width:30px;height:30px;flex:0 0 30px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--lime-line);border-radius:9px;
  background:rgba(200,247,81,.08);
}
.site-brand__mark svg{width:18px;height:18px;stroke:var(--lime);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.site-brand__text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.site-nav{display:none;}
@media (min-width:1024px){
  .site-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
}
.site-nav__link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:15px;
  color:var(--fg-2);
  border-radius:8px;
}
.site-nav__link::after{
  content:"";
  position:absolute;left:50%;bottom:8px;
  width:0;height:2px;border-radius:2px;
  background:var(--lime);
  transform:translateX(-50%);
  transition:width .28s var(--ease);
}
.site-nav__link:hover{color:var(--fg);}
.site-nav__link:hover::after{width:60%;}
.site-nav__link.is-active{color:var(--fg);text-shadow:0 0 12px rgba(200,247,81,.35);}
.site-nav__link.is-active::after{width:60%;}
.site-header__actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
@media (min-width:1024px){.site-header__actions{margin-left:0;}}

/* 汉堡 */
.site-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(--line-strong);border-radius:10px;cursor:pointer;
  transition:border-color .2s var(--ease);
}
.site-burger span{display:block;width:18px;height:2px;background:var(--fg-2);border-radius:2px;transition:background .2s var(--ease),transform .2s var(--ease);}
.site-burger:hover{border-color:var(--lime-line);}
.site-burger:hover span{background:var(--lime);}
.site-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--lime);}
.site-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.site-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--lime);}
@media (min-width:1024px){.site-burger{display:none;}}

/* 抽屉 */
.site-drawer{
  position:fixed;
  left:0;right:0;top:60px;bottom:0;
  z-index:75;
  background:var(--bg);
  border-top:1px solid var(--line);
  padding:24px;
  display:flex;flex-direction:column;
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.site-drawer.is-open{opacity:1;transform:none;pointer-events:auto;}
.site-drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;
  padding:10px 4px;
  font-size:20px;font-weight:600;
  color:var(--fg-2);
  border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .2s var(--ease);
}
.site-drawer.is-open .site-drawer__link{opacity:1;transform:none;}
.site-drawer__link:nth-child(1){transition-delay:.04s;}
.site-drawer__link:nth-child(2){transition-delay:.08s;}
.site-drawer__link:nth-child(3){transition-delay:.12s;}
.site-drawer__link:nth-child(4){transition-delay:.16s;}
.site-drawer__link.is-active{color:var(--lime);}
.site-drawer__link:hover{color:var(--lime);}
.site-drawer__arrow{font-family:var(--font-mono);font-size:16px;color:var(--fg-3);}
.site-drawer__foot{margin-top:auto;padding-top:24px;}
@media (min-width:1024px){.site-drawer{display:none;}}

/* 按钮 */
.ui-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;
  padding:13px 26px;
  font-size:15px;font-weight:700;line-height:1.2;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.ui-btn--primary{background:var(--lime);color:#0B0C0E;border-color:var(--lime);}
.ui-btn--primary:hover{background:transparent;color:var(--lime);border-color:var(--lime);transform:translateY(-1px);}
.ui-btn--ghost{background:transparent;color:var(--fg);border-color:var(--line-strong);}
.ui-btn--ghost:hover{border-color:var(--lime-line);color:var(--lime);}
.ui-btn--sm{min-height:40px;padding:9px 18px;font-size:14px;}
.ui-btn[disabled],.ui-btn.is-disabled{opacity:.45;pointer-events:none;}
.ui-btn svg{width:16px;height:16px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;}

.ui-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--lime);
  background:none;border:0;padding:0;cursor:pointer;
}
.ui-link-arrow .ui-link-arrow__ico{transition:transform .24s var(--ease);display:inline-block;}
.ui-link-arrow:hover .ui-link-arrow__ico{transform:translateX(4px);}
.ui-link-arrow:hover{color:var(--cyan);}

/* 徽章 / 标签 */
.ui-badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  font-size:var(--fz-xs);font-weight:600;
  color:var(--lime);
  border:1px solid var(--lime-line);
  border-radius:var(--r-pill);
  background:rgba(200,247,81,.06);
  letter-spacing:.02em;
}
.ui-badge--orange{color:var(--orange);border-color:rgba(255,90,43,.4);background:rgba(255,90,43,.08);}
.ui-tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;
  font-size:var(--fz-xs);
  color:var(--fg-2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.02);
}
.ui-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* 面包屑 */
.ui-crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:var(--fz-xs);
  color:var(--fg-3);
  margin-bottom:20px;
}
.ui-crumb a{color:var(--fg-3);}
.ui-crumb a:hover{color:var(--lime);}
.ui-crumb__sep{color:rgba(255,255,255,.2);}
.ui-crumb__current{color:var(--fg);}

/* 分类页头 */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero__bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.3;
  filter:saturate(.7) contrast(1.05);
}
.page-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,14,.78) 0%,rgba(11,12,14,.9) 55%,var(--bg) 100%);
}
.page-hero__grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 92%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 92%);
}
.page-hero__inner{position:relative;z-index:2;padding:36px 0 52px;}
@media (min-width:1024px){.page-hero__inner{padding:44px 0 64px;}}
.page-hero h1{
  font-size:var(--h1);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.02em;
  margin:16px 0 14px;
  max-width:16em;
}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.page-hero__lead{
  font-size:15px;
  line-height:1.8;
  color:var(--fg-2);
  max-width:34em;
  margin:0 0 24px;
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:639px){
  .page-hero__actions .ui-btn{width:100%;}
}

/* Hero 右侧赛事面板 */
.live-panel{
  background:linear-gradient(180deg,rgba(28,32,38,.92),rgba(22,25,30,.92));
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.live-panel__head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
}
.live-panel__title{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--fg);}
.live-panel__dot{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:var(--fg-3);
  font-family:var(--font-mono);
}
.live-panel__dot i{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(255,90,43,.14);display:inline-block;}
.live-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.live-row:last-child{border-bottom:0;}
.live-row:hover{background:rgba(255,255,255,.03);}
.live-row__meta{min-width:0;}
.live-row__league{font-size:12px;color:var(--fg-3);margin-bottom:2px;}
.live-row__teams{font-size:15px;font-weight:600;color:var(--fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.live-row__time{font-family:var(--font-mono);font-size:14px;color:var(--lime);flex:0 0 auto;}

/* 数据条 */
.stat-strip{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--bg-2);
}
.stat-strip__grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line);
}
@media (min-width:768px){.stat-strip__grid{grid-template-columns:repeat(4,1fr);}}
.stat-item{
  background:var(--bg-2);
  padding:22px 20px;
}
.stat-item__num{
  font-family:var(--font-mono);
  font-size:1.75rem;
  font-weight:700;
  color:var(--lime);
  line-height:1.1;
  display:block;
  margin-bottom:6px;
}
.stat-item__num small{font-size:.6em;font-weight:600;color:var(--fg-2);margin-left:2px;}
.stat-item__label{font-size:var(--fz-xs);color:var(--fg-3);}

/* 区块 */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section--alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:40px;
}
.section-head__left{max-width:44rem;}
.section-title{
  position:relative;
  font-size:var(--h2);
  font-weight:700;
  line-height:1.28;
  padding-left:16px;
}
.section-title::before{
  content:"";
  position:absolute;left:0;top:.22em;
  width:3px;height:.9em;
  background:var(--lime);
  border-radius:2px;
}
.section-desc{
  margin:12px 0 0;
  font-size:15px;
  color:var(--fg-2);
  line-height:1.85;
  max-width:60em;
}
.section-num{
  font-family:var(--font-mono);
  font-size:clamp(2.4rem,4.6vw,4rem);
  font-weight:800;
  line-height:1;
  color:rgba(255,255,255,.05);
  letter-spacing:-.02em;
  display:none;
}
@media (min-width:1024px){.section-num{display:block;}}

/* 目录卡 */
.catalog-card{
  display:flex;flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.catalog-card:hover{
  transform:translateY(-2px);
  border-color:var(--lime-line);
  box-shadow:var(--shadow-hover);
}
.catalog-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--card-hi);
}
.catalog-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.catalog-card:hover .catalog-media img{transform:scale(1.03);}
.catalog-media__shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,14,.05) 30%,rgba(11,12,14,.62) 100%);
}
.catalog-num{
  position:absolute;left:16px;top:14px;
  font-family:var(--font-mono);
  font-size:15px;font-weight:700;
  color:var(--lime);
  background:rgba(11,12,14,.62);
  border:1px solid var(--lime-line);
  border-radius:8px;
  padding:2px 9px;
  letter-spacing:.06em;
}
.catalog-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.catalog-body h3{font-size:1.15rem;font-weight:600;margin-bottom:10px;}
.catalog-body p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--fg-2);
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.catalog-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.catalog-foot{margin-top:auto;}
@media (min-width:1024px){
  .catalog-offset{margin-top:24px;}
}

/* 流程 */
.flow-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:768px){.flow-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.flow-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.flow-step{
  position:relative;
  padding:24px 22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:border-color .28s var(--ease),transform .28s var(--ease);
}
.flow-step:hover{border-color:var(--lime-line);transform:translateY(-2px);}
.flow-step__num{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  color:var(--lime);
  letter-spacing:.12em;
  display:block;
  margin-bottom:14px;
}
.flow-step::before{
  content:"";
  position:absolute;left:22px;top:0;
  width:34px;height:2px;
  background:var(--lime);
  border-radius:2px;
}
.flow-step h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;}
.flow-step p{font-size:14px;line-height:1.8;color:var(--fg-2);margin:0;}

/* 场景图文 */
.scene{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
@media (min-width:1024px){.scene{grid-template-columns:1.05fr .95fr;gap:56px;}}
.scene-figure{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.scene-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.scene-figure__tag{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  font-size:var(--fz-xs);
  color:var(--fg);
  background:rgba(11,12,14,.78);
  border:1px solid var(--lime-line);
  border-radius:var(--r-pill);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.scene-list{margin-top:24px;display:grid;gap:16px;}
.scene-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:14.5px;
  line-height:1.8;
  color:var(--fg-2);
}
.scene-list li::before{
  content:"";
  flex:0 0 6px;
  width:6px;height:6px;
  margin-top:.72em;
  background:var(--lime);
  border-radius:1px;
}
.scene-list strong{color:var(--fg);font-weight:600;}

/* FAQ */
.faq-block{max-width:900px;}
.faq-item{
  border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
  padding:18px 0 18px 18px;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item[open]{border-left-color:var(--lime);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:44px;
  font-size:16px;
  font-weight:600;
  color:var(--fg);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-family:var(--font-mono);
  font-size:22px;
  line-height:1;
  color:var(--lime);
  flex:0 0 auto;
  transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--lime);}
.faq-item__body{
  padding-top:12px;
  font-size:15px;
  line-height:1.85;
  color:var(--fg-2);
  max-width:64em;
}
.faq-item__body p{margin:0 0 .8em;}
.faq-item__body p:last-child{margin-bottom:0;}

/* CTA 条 */
.cta-bar{
  display:flex;
  flex-direction:column;
  gap:24px;
  padding:32px 28px;
  border:1px solid var(--lime-line);
  border-radius:16px;
  background:
    radial-gradient(120% 180% at 0% 0%,rgba(200,247,81,.12),transparent 58%),
    var(--card);
  box-shadow:var(--shadow-card);
}
@media (min-width:1024px){
  .cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:40px 44px;gap:40px;}
}
.cta-bar h2{font-size:clamp(1.35rem,2.3vw,1.85rem);font-weight:700;margin-bottom:8px;}
.cta-bar p{font-size:14.5px;color:var(--fg-2);margin:0;}
.cta-bar__actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:639px){.cta-bar__actions .ui-btn{width:100%;}}

/* 页脚 */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:56px 0 24px;
  margin-top:0;
}
.site-footer::before{
  content:"";
  display:block;
  height:1px;
  width:100%;
  background:linear-gradient(90deg,var(--lime) 0%,rgba(200,247,81,.18) 40%,rgba(200,247,81,0) 100%);
  margin-bottom:48px;
}
.site-footer__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:768px){.site-footer__grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.site-footer__grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.site-footer__brand{display:inline-flex;align-items:center;gap:10px;color:var(--fg);margin-bottom:16px;}
.site-footer__brand:hover{color:var(--fg);}
.site-footer__about{
  font-size:14px;
  line-height:1.85;
  color:var(--fg-2);
  margin:0 0 14px;
  max-width:32em;
}
.site-footer__mail{font-size:14px;color:var(--fg-2);border-bottom:1px solid rgba(200,247,81,.28);}
.site-footer__mail:hover{color:var(--lime);}
.site-footer h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--fg);
  margin-bottom:16px;
}
.site-footer__list li{margin-bottom:10px;}
.site-footer__list a{
  font-size:14px;
  color:var(--fg-2);
  background-image:linear-gradient(var(--lime),var(--lime));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 1px;
  transition:color .24s var(--ease),background-size .24s var(--ease);
}
.site-footer__list a:hover{color:var(--lime);background-size:100% 1px;}
.site-footer__info{font-size:14px;line-height:2;color:var(--fg-2);margin:0;}
.site-footer__info strong{color:var(--fg);font-weight:600;}
.site-footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:var(--fz-xs);
  color:var(--fg-3);
}
.site-footer__domain{font-family:var(--font-mono);color:var(--fg-3);}

/* 动效 */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --bg:#0B0C0E;
  --bg-2:#101216;
  --card:#16191E;
  --card-2:#1C2026;
  --lime:#C8F751;
  --lime-bright:#DCFF8A;
  --lime-dim:rgba(200,247,81,.35);
  --lime-soft:rgba(200,247,81,.08);
  --orange:#FF5A2B;
  --cyan:#6BE8FF;
  --text:#F3F5F6;
  --text-2:#A8B0BA;
  --text-3:#6E7681;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius:12px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 18px 40px -28px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.7,.2,1);
  --mono:ui-monospace,"DIN Alternate","Barlow Condensed","SFMono-Regular",system-ui,sans-serif;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,dl,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:inherit;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(200,247,81,.28);color:#fff;}

/* ---------- 布局容器 ---------- */
.site-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1024px){
  .site-container{padding-left:32px;padding-right:32px;}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,12,14,.82);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,var(--lime),rgba(200,247,81,.25) 38%,transparent 72%);
  opacity:.6;
  pointer-events:none;
}
.site-header__inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:60px;
}
@media (min-width:1024px){
  .site-header__inner{height:72px;gap:24px;}
}
.site-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  min-height:44px;
}
.site-brand__mark{
  width:32px;height:32px;
  display:grid;
  place-items:center;
  border-radius:9px;
  border:1px solid var(--lime-dim);
  background:var(--lime-soft);
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.site-brand:hover .site-brand__mark{border-color:var(--lime);background:rgba(200,247,81,.16);}
.site-brand__mark svg{
  width:18px;height:18px;
  fill:none;
  stroke:var(--lime);
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.site-brand__text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.site-nav{
  display:none;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
@media (min-width:1024px){
  .site-nav{display:flex;}
}
.site-nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:8px;
  transition:color .24s var(--ease);
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:8px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s var(--ease);
}
.site-nav__link:hover,
.site-nav__link:focus-visible{color:var(--text);}
.site-nav__link:hover::after,
.site-nav__link:focus-visible::after{transform:scaleX(1);}
.site-nav__link.is-active{
  color:var(--text);
  text-shadow:0 0 12px rgba(200,247,81,.35);
}
.site-nav__link.is-active::after{transform:scaleX(.6);}
.site-nav__link.is-active:hover::after{transform:scaleX(1);}
.site-header__actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
@media (min-width:1024px){
  .site-header__actions{margin-left:0;}
}
.site-nav-toggle{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0 10px;
  border-radius:8px;
  border:1px solid var(--line);
  transition:border-color .24s var(--ease);
}
.site-nav-toggle span{
  display:block;
  height:2px;
  width:100%;
  border-radius:2px;
  background:var(--text-2);
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.site-nav-toggle:hover{border-color:var(--lime-dim);}
.site-nav-toggle:hover span{background:var(--lime);}
@media (min-width:1024px){
  .site-nav-toggle{display:none;}
}

/* 移动端抽屉 */
.site-drawer{
  position:fixed;
  inset:60px 0 0;
  z-index:79;
  background:var(--bg);
  padding:24px 24px 32px;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
}
.site-drawer[hidden]{display:none;}
.site-drawer__nav{
  display:flex;
  flex-direction:column;
  flex:1 0 auto;
}
.site-drawer__nav a{
  display:block;
  padding:16px 0;
  font-size:20px;
  font-weight:600;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.site-drawer__nav a:hover,
.site-drawer__nav a:focus-visible,
.site-drawer__nav a.is-active{
  color:var(--lime);
  padding-left:8px;
}
.site-drawer__foot{
  position:sticky;
  bottom:0;
  padding-top:24px;
  background:linear-gradient(180deg,rgba(11,12,14,0),var(--bg) 34%);
}

/* ---------- 按钮 ---------- */
.ui-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:12px 26px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.01em;
  text-align:center;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.ui-btn--primary{
  background:var(--lime);
  color:#0B0C0E;
  box-shadow:0 10px 26px -18px rgba(200,247,81,.9);
}
.ui-btn--primary:hover{
  background:transparent;
  color:var(--lime);
  border-color:var(--lime);
  transform:translateY(-1px);
}
.ui-btn--outline{
  background:transparent;
  color:var(--text);
  border-color:var(--line-strong);
}
.ui-btn--outline:hover{
  border-color:var(--lime);
  color:var(--lime);
}
.ui-btn--ghost{
  background:none;
  color:var(--lime);
  border:0;
  padding:8px 0;
  min-height:44px;
  font-weight:600;
}
.ui-btn--ghost:hover{color:var(--lime-bright);}
.ui-btn--ghost svg{
  width:16px;height:16px;
  fill:none;stroke:currentColor;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round;
  transition:transform .24s var(--ease);
}
.ui-btn--ghost:hover svg{transform:translateX(4px);}
.ui-btn--sm{min-height:40px;padding:9px 18px;font-size:14px;}
.ui-btn--block{width:100%;}
.ui-btn[disabled],.ui-btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 徽章 ---------- */
.ui-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--lime-dim);
  background:var(--lime-soft);
  color:var(--lime);
  font-size:13px;
  line-height:1;
  font-weight:600;
  white-space:nowrap;
}
.ui-badge--plain{
  border-color:var(--line);
  background:transparent;
  color:var(--text-2);
  font-weight:500;
}

/* ---------- 面包屑 ---------- */
.site-breadcrumb{
  padding-top:20px;
  font-size:13px;
  color:var(--text-3);
}
.site-breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.site-breadcrumb li{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:22px;
}
.site-breadcrumb li + li::before{
  content:"›";
  color:var(--text-3);
  font-size:13px;
}
.site-breadcrumb a{color:var(--text-2);}
.site-breadcrumb a:hover{color:var(--lime);}
.site-breadcrumb [aria-current="page"]{
  color:var(--text);
  max-width:min(52vw,320px);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- 文章头 ---------- */
.article-head{
  position:relative;
  margin-top:16px;
  padding:36px 0 44px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.article-head::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,12,14,.88) 0%,rgba(11,12,14,.97) 62%,var(--bg) 100%);
  pointer-events:none;
}
.article-head::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.55;
  pointer-events:none;
}
.article-head > .site-container{
  position:relative;
  z-index:1;
}
.article-head__kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--text-3);
  margin-bottom:14px;
}
.article-head__kicker::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:var(--lime);
}
.article-head__title{
  margin-top:16px;
  font-size:clamp(1.7rem,3.6vw,2.1rem);
  font-weight:800;
  line-height:1.35;
  letter-spacing:-.01em;
  color:var(--text);
  max-width:860px;
  overflow-wrap:anywhere;
}
.article-head__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 20px;
  margin-top:22px;
  font-family:var(--mono);
  font-size:13px;
  color:var(--text-3);
}
.article-head__meta span{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.article-head__meta span + span::before{
  content:"";
  width:1px;
  height:12px;
  background:var(--line-strong);
  margin-right:12px;
}
.article-head__share{
  display:flex;
  gap:10px;
  margin-top:22px;
}
.share-btn{
  width:36px;height:36px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.share-btn svg{
  width:16px;height:16px;
  fill:none;stroke:currentColor;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round;
}
.share-btn:hover{
  border-color:var(--lime);
  color:var(--lime);
  background:var(--lime-soft);
}
@media (min-width:768px){
  .article-head__inner{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;}
  .article-head__share{margin-top:0;flex:0 0 auto;}
}

/* ---------- 主体两栏 ---------- */
.site-main{padding:0;}
.article-layout{
  padding:44px 0 64px;
}
@media (min-width:1024px){
  .article-layout{padding:64px 0 96px;}
}
.article-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  padding:26px 22px;
  overflow:hidden;
}
@media (min-width:768px){
  .article-panel{padding:40px 44px;}
}

/* ---------- 正文排版 ---------- */
.entry-content{
  font-size:16px;
  line-height:1.95;
  color:#D7DCE1;
  max-width:720px;
  overflow-wrap:anywhere;
}
@media (min-width:768px){
  .entry-content{font-size:17px;}
}
.entry-content > *:first-child{margin-top:0;}
.entry-content p{margin:0 0 1.4em;}
.entry-content h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:clamp(1.25rem,2.2vw,1.5rem);
  font-weight:700;
  line-height:1.45;
  color:var(--text);
}
.entry-content h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.18em;
  bottom:.18em;
  width:3px;
  border-radius:2px;
  background:var(--lime);
}
.entry-content h3{
  margin:28px 0 12px;
  font-size:1.125rem;
  font-weight:600;
  line-height:1.55;
  color:var(--text);
}
.entry-content h4{
  margin:22px 0 10px;
  font-size:1rem;
  font-weight:600;
  color:var(--text);
}
.entry-content strong{color:var(--text);font-weight:700;}
.entry-content em{font-style:normal;color:var(--lime);}
.entry-content a{
  color:var(--lime);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
  border-radius:3px;
  padding:0 2px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.entry-content a:hover{color:var(--lime-bright);background:var(--lime-soft);}
.entry-content ul,
.entry-content ol{
  margin:0 0 1.4em;
  padding-left:22px;
}
.entry-content ul li,
.entry-content ol li{
  position:relative;
  margin-bottom:.6em;
  line-height:1.9;
}
.entry-content ul li::before{
  content:"";
  position:absolute;
  left:-18px;
  top:.82em;
  width:6px;
  height:6px;
  border-radius:1px;
  background:var(--lime);
}
.entry-content ol{list-style:decimal;padding-left:24px;}
.entry-content ol li::marker{color:var(--lime);font-family:var(--mono);}
.entry-content blockquote{
  margin:24px 0;
  padding:20px 22px;
  border-left:3px dashed var(--lime);
  background:var(--lime-soft);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
}
.entry-content blockquote p:last-child{margin-bottom:0;}
.entry-content img{
  border-radius:var(--radius);
  margin:22px 0 10px;
  border:1px solid var(--line);
}
.entry-content figure{margin:22px 0;}
.entry-content figcaption{
  font-size:13px;
  color:var(--text-3);
  text-align:center;
  line-height:1.7;
}
.entry-content table{
  width:100%;
  margin:22px 0;
  border-collapse:collapse;
  font-size:15px;
  line-height:1.7;
}
.entry-content th,
.entry-content td{
  padding:12px 14px;
  border:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.entry-content th{
  background:var(--bg-2);
  color:var(--lime);
  font-weight:600;
  white-space:nowrap;
}
.entry-content tr:nth-child(even) td{background:rgba(255,255,255,.015);}
.entry-content hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:32px 0;
}
.entry-content code{
  font-family:var(--mono);
  font-size:.92em;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  color:var(--lime);
}

/* 空态 */
.article-empty{
  border:1px dashed rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:56px 24px;
  text-align:center;
}
.article-empty p{
  font-size:15px;
  color:var(--text-3);
  margin-bottom:18px;
}

/* ---------- 文末标签与延伸 ---------- */
.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.article-nextprev{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  margin-top:24px;
}
@media (min-width:768px){
  .article-nextprev{grid-template-columns:1fr 1fr;}
}
.nextprev-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card-2);
  box-shadow:var(--shadow-card);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.nextprev-card:hover{
  border-color:var(--lime-dim);
  transform:translateY(-2px);
}
.nextprev-card__label{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-3);
}
.nextprev-card__title{
  font-size:15px;
  font-weight:600;
  line-height:1.55;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.nextprev-card__arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--lime);
}
.nextprev-card__arrow svg{
  width:14px;height:14px;
  fill:none;stroke:currentColor;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round;
  transition:transform .24s var(--ease);
}
.nextprev-card:hover .nextprev-card__arrow svg{transform:translateX(4px);}
.article-back{margin-top:26px;}

/* ---------- 侧栏 ---------- */
.article-aside{
  display:flex;
  flex-direction:column;
  gap:20px;
  margin-top:32px;
}
@media (min-width:1024px){
  .article-aside{
    margin-top:0;
    position:sticky;
    top:96px;
    align-self:flex-start;
  }
}
.aside-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-card);
}
.aside-card__title{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  font-size:1rem;
  font-weight:700;
  color:var(--text);
}
.aside-card__title::before{
  content:"";
  width:3px;
  height:.9em;
  border-radius:2px;
  background:var(--lime);
}
.aside-links{display:flex;flex-direction:column;gap:8px;}
.aside-links a{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:10px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.aside-links a:hover{
  border-color:var(--lime-dim);
  background:var(--card-2);
}
.aside-links img{
  width:80px;
  height:60px;
  flex:0 0 auto;
  object-fit:cover;
  border-radius:8px;
  border:1px solid var(--line);
}
.aside-links__body{display:flex;flex-direction:column;gap:4px;min-width:0;}
.aside-links__title{
  font-size:15px;
  font-weight:600;
  line-height:1.45;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.aside-links__desc{
  font-size:13px;
  line-height:1.6;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.aside-card--accent{
  border-color:var(--lime-dim);
  background:linear-gradient(160deg,rgba(200,247,81,.10),rgba(22,25,30,.96) 58%);
}
.aside-card__eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--lime);
  margin-bottom:10px;
}
.aside-card--accent h2{
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:10px;
}
.aside-card--accent p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  margin-bottom:18px;
}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;}
.faq details{
  border-bottom:1px solid var(--line);
  padding-left:0;
  transition:padding-left .24s var(--ease),border-color .24s var(--ease);
}
.faq details:first-child{border-top:1px solid var(--line);}
.faq details[open]{
  border-left:3px solid var(--lime);
  padding-left:12px;
}
.faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px 0;
  font-size:15px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
  cursor:pointer;
  list-style:none;
  transition:color .24s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:20px;
  line-height:1;
  font-weight:400;
  color:var(--lime);
  transition:transform .3s var(--ease);
}
.faq details[open] summary{color:var(--lime);}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq p{
  margin:0;
  padding:0 0 18px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
}

/* ---------- CTA 条 ---------- */
.site-cta{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(circle at 12% 20%,rgba(200,247,81,.10),transparent 55%),
    var(--bg-2);
}
.site-cta__inner{
  display:flex;
  flex-direction:column;
  gap:24px;
  padding-top:56px;
  padding-bottom:56px;
}
@media (min-width:1024px){
  .site-cta__inner{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding-top:72px;
    padding-bottom:72px;
    gap:48px;
  }
}
.site-cta h2{
  font-size:clamp(1.35rem,2.6vw,1.9rem);
  font-weight:800;
  line-height:1.35;
  letter-spacing:-.01em;
  color:var(--text);
  margin-bottom:12px;
  max-width:640px;
}
.site-cta p{
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  max-width:560px;
}
.site-cta__action{flex:0 0 auto;display:flex;flex-direction:column;gap:12px;}
.site-cta__hint{
  font-family:var(--mono);
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.04em;
}
@media (max-width:1023px){
  .site-cta__action .ui-btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  margin-top:0;
}
.site-footer::before{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--lime),transparent);
  opacity:.45;
}
.site-footer__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-top:56px;
  padding-bottom:40px;
}
@media (min-width:768px){
  .site-footer__grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (min-width:1024px){
  .site-footer__grid{grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:48px;padding-top:72px;}
}
.site-footer__brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
}
.site-footer__about{
  margin:16px 0 14px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:380px;
}
.site-footer__mail{
  font-family:var(--mono);
  font-size:14px;
  color:var(--lime);
}
.site-footer__mail:hover{color:var(--lime-bright);}
.site-footer h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.05em;
  color:var(--text);
  margin-bottom:16px;
}
.site-footer__list{display:flex;flex-direction:column;gap:4px;}
.site-footer__list a{
  display:inline-block;
  min-height:32px;
  line-height:32px;
  font-size:14px;
  color:var(--text-2);
  background-image:linear-gradient(var(--lime),var(--lime));
  background-size:0 1px;
  background-repeat:no-repeat;
  background-position:0 100%;
  transition:color .24s var(--ease),background-size .24s var(--ease);
}
.site-footer__list a:hover{
  color:var(--lime);
  background-size:100% 1px;
}
.site-footer__info{
  font-size:14px;
  line-height:2.05;
  color:var(--text-2);
}
.site-footer__info strong{color:var(--text);font-weight:600;}
.site-footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  padding-top:20px;
  padding-bottom:28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.site-footer__domain{
  font-family:var(--mono);
  color:var(--text-3);
  letter-spacing:.03em;
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --ink:#0B0C0E;
  --ink-2:#101216;
  --card:#16191E;
  --card-hi:#1C2026;
  --lime:#C8F751;
  --orange:#FF5A2B;
  --ice:#6BE8FF;
  --text:#F3F5F6;
  --text-2:#A8B0BA;
  --text-3:#6E7681;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --lime-line:rgba(200,247,81,.35);
  --radius-card:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 18px 40px -28px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-base:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"DIN Alternate","Barlow Condensed",system-ui,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;padding:0;background:var(--ink);color:var(--text);font-family:var(--font-base);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4,h5,h6{font-family:var(--font-base);color:var(--text);font-weight:700;line-height:1.25;margin:0;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd{margin:0}
a{color:var(--lime);text-decoration:none;background:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
::selection{background:rgba(200,247,81,.28);color:#fff}

/* ===== 通用容器 ===== */
.site-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1024px){.site-container{padding-left:32px;padding-right:32px}}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;line-height:1.2;text-decoration:none;border:1px solid transparent;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),transform .18s var(--ease)}
.btn--primary{background:var(--lime);color:#0B0C0E;border-color:var(--lime)}
.btn--primary:hover{background:transparent;color:var(--lime);border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,247,81,.12)}
.btn--primary:active{transform:translateY(1px);box-shadow:none}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);box-shadow:0 0 0 4px rgba(200,247,81,.08)}
.btn--sm{padding:10px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-size:15px;font-weight:600;color:var(--lime);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .22s var(--ease)}
.link-arrow:hover{border-bottom-color:var(--lime-line)}
.link-arrow .ico{transition:transform .22s var(--ease)}
.link-arrow:hover .ico{transform:translateX(4px)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;line-height:1.4;color:var(--lime);border:1px solid var(--lime-line);border-radius:var(--radius-pill);padding:4px 12px;background:rgba(200,247,81,.06)}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(11,12,14,.82);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,var(--lime),rgba(200,247,81,.24) 32%,transparent 68%);opacity:.6;pointer-events:none}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:60px}
@media (min-width:1024px){.site-header__inner{height:72px;gap:32px}}
.site-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;min-height:44px}
.site-brand__mark{display:inline-flex;width:26px;height:26px;color:var(--lime);flex:0 0 auto}
.site-brand__mark svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.site-brand__text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap}
.site-nav{display:none}
@media (min-width:1024px){.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}}
.site-nav__link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;font-size:15px;color:var(--text-2);text-decoration:none;transition:color .22s var(--ease),text-shadow .22s var(--ease);white-space:nowrap}
.site-nav__link::after{content:"";position:absolute;left:14px;bottom:11px;width:0;height:2px;border-radius:2px;background:var(--lime);transition:width .24s var(--ease)}
.site-nav__link:hover{color:var(--text)}
.site-nav__link:hover::after{width:60%}
.site-nav__link.is-active{color:var(--text);text-shadow:0 0 12px rgba(200,247,81,.35)}
.site-nav__link.is-active::after{width:60%}
.site-header__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.site-header__actions .btn{display:none}
@media (min-width:640px){.site-header__actions .btn{display:inline-flex}}
.site-toggle{display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-strong);transition:border-color .22s var(--ease)}
.site-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);transition:background .22s var(--ease),transform .22s var(--ease)}
.site-toggle:hover span{background:var(--lime)}
@media (min-width:1024px){.site-toggle{display:none}}

/* ===== 移动抽屉 ===== */
.site-drawer{position:fixed;inset:0;z-index:120;display:flex;flex-direction:column;padding:20px 24px 28px;background:#0B0C0E;transform:translateX(100%);visibility:hidden;transition:transform .32s var(--ease),visibility .32s var(--ease)}
.site-drawer.is-open{transform:none;visibility:visible}
.site-drawer__top{display:flex;align-items:center;justify-content:space-between;height:60px;border-bottom:1px solid var(--line);margin-bottom:8px}
.site-drawer__close{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-strong);font-family:var(--font-mono);font-size:20px;color:var(--text-2);transition:color .22s var(--ease),border-color .22s var(--ease)}
.site-drawer__close:hover{color:var(--lime);border-color:var(--lime-line)}
.site-drawer__nav{flex:1 1 auto;overflow-y:auto;padding-top:8px}
.site-drawer__link{display:flex;align-items:center;justify-content:space-between;padding:16px 0;font-size:20px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--line);text-decoration:none;opacity:0;transform:translateY(10px);transition:color .22s var(--ease),opacity .34s var(--ease),transform .34s var(--ease)}
.site-drawer.is-open .site-drawer__link{opacity:1;transform:none}
.site-drawer.is-open .site-drawer__link:nth-child(1){transition-delay:.04s}
.site-drawer.is-open .site-drawer__link:nth-child(2){transition-delay:.08s}
.site-drawer.is-open .site-drawer__link:nth-child(3){transition-delay:.12s}
.site-drawer__link.is-active{color:var(--lime)}
.site-drawer__link span{font-family:var(--font-mono);font-size:14px;color:var(--text-3)}
.site-drawer__bottom{padding-top:20px;border-top:1px solid var(--line)}
.site-drawer__bottom .btn{width:100%}

/* ===== 分类页头（扁 Hero） ===== */
.cat-hero{position:relative;display:flex;align-items:flex-end;min-height:clamp(180px,26vh,260px);padding:44px 0 36px;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero__bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;opacity:.26;filter:saturate(.9);pointer-events:none}
.cat-hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(11,12,14,.58),rgba(11,12,14,.95)),radial-gradient(58% 82% at 14% 18%,rgba(200,247,81,.13),transparent 68%);pointer-events:none}
.cat-hero__grid{position:absolute;inset:0;z-index:1;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:64px 64px;pointer-events:none}
.cat-hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:18px;width:100%}
@media (min-width:1024px){.cat-hero__inner{grid-template-columns:1.55fr 1fr;align-items:end;gap:56px}}
.cat-hero h1{font-size:clamp(1.75rem,3.4vw,2.65rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin-bottom:10px}
.cat-hero h1 em{font-style:normal;color:var(--lime)}
.cat-hero__desc{font-size:15px;line-height:1.8;color:var(--text-2);max-width:40ch}
@media (min-width:1024px){.cat-hero__desc{text-align:right;justify-self:end;padding-bottom:6px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:14px}
.breadcrumb a{color:var(--text-3);text-decoration:none;transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb span{color:var(--text-3);opacity:.6}
.breadcrumb em{font-style:normal;color:var(--text)}

/* ===== 主体 ===== */
.cat-body{padding:56px 0 72px}
@media (min-width:768px){.cat-body{padding:72px 0 88px}}
@media (min-width:1024px){.cat-body{padding:88px 0 104px}}

/* 侧边索引 */
.cat-toc{position:sticky;top:96px;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}
.cat-toc__title{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3);margin-bottom:12px}
.cat-toc__link{position:relative;display:flex;align-items:center;min-height:40px;padding:8px 0 8px 14px;font-size:14px;line-height:1.5;color:var(--text-2);text-decoration:none;transition:color .2s var(--ease)}
.cat-toc__link::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;border-radius:2px;background:var(--lime);transition:height .24s var(--ease)}
.cat-toc__link:hover{color:var(--text)}
.cat-toc__link.is-active{color:var(--lime)}
.cat-toc__link.is-active::before{height:16px}
@media (max-width:1023.98px){
  .cat-toc{position:static;padding:0;background:transparent;border:0;box-shadow:none;margin-bottom:24px}
  .cat-toc__title{display:none}
  .cat-toc ul{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .cat-toc li{flex:0 0 auto}
  .cat-toc__link{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-pill);white-space:nowrap;font-size:14px}
  .cat-toc__link::before{display:none}
  .cat-toc__link.is-active{border-color:var(--lime-line);background:rgba(200,247,81,.08)}
}

/* 概览卡 */
.cat-intro{display:grid;grid-template-columns:1fr;gap:24px;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);margin-bottom:36px;transition:border-color .24s var(--ease)}
.cat-intro:hover{border-color:var(--lime-line)}
@media (min-width:768px){.cat-intro{grid-template-columns:260px 1fr;align-items:center;gap:32px;padding:28px}}
.cat-intro__media{overflow:hidden;border-radius:var(--radius-card);background:var(--card-hi)}
.cat-intro__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.cat-intro:hover .cat-intro__media img{transform:scale(1.03)}
.cat-intro h2{font-size:clamp(1.25rem,2.2vw,1.6rem);margin:14px 0 10px}
.cat-intro p{font-size:15px;line-height:1.8;color:var(--text-2);max-width:62ch}
.stat-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.stat__num{display:block;font-family:var(--font-mono);font-size:1.4rem;font-weight:700;line-height:1.2;color:var(--lime);letter-spacing:.01em}
.stat__label{display:block;font-size:13px;color:var(--text-3);margin-top:2px}

/* 索引条目 */
.cat-rows{border-top:1px solid var(--line)}
.cat-row{display:grid;grid-template-columns:44px 1fr 32px;gap:6px 16px;align-items:start;padding:24px 6px;border-bottom:1px solid var(--line);scroll-margin-top:104px;transition:background .24s var(--ease)}
@media (min-width:768px){.cat-row{grid-template-columns:64px 1fr 40px;gap:8px 24px;padding:28px 10px}}
.cat-row:hover{background:rgba(255,255,255,.025)}
.cat-row__num{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;line-height:1;color:var(--lime);letter-spacing:.02em;padding-top:4px}
.cat-row h3{font-size:1.0625rem;font-weight:600;line-height:1.4;margin-bottom:8px;transition:color .22s var(--ease)}
@media (min-width:768px){.cat-row h3{font-size:1.1875rem}}
.cat-row:hover h3{color:#fff}
.cat-row p{font-size:15px;line-height:1.85;color:var(--text-2);max-width:66ch;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cat-row__arrow{justify-self:end;font-family:var(--font-mono);font-size:1.15rem;line-height:1;color:var(--text-3);padding-top:4px;transition:color .22s var(--ease),transform .22s var(--ease)}
.cat-row:hover .cat-row__arrow{color:var(--lime);transform:translateX(4px)}
@media (max-width:639.98px){
  .cat-row p{-webkit-line-clamp:unset;display:block}
}

/* ===== 常见疑问 ===== */
.faq-section{padding:56px 0;background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (min-width:1024px){.faq-section{padding:88px 0}}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{position:relative;padding-left:16px;font-size:clamp(1.4rem,2.4vw,2rem);margin-bottom:12px}
.section-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;background:var(--lime)}
.section-head p{font-size:15px;line-height:1.8;color:var(--text-2)}
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item::before{content:"";position:absolute;left:0;top:24px;width:3px;height:0;border-radius:2px;background:var(--lime);transition:height .26s var(--ease)}
.faq-item[open]::before{height:20px}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:22px 0 22px 16px;font-size:16px;font-weight:600;line-height:1.6;color:var(--text);cursor:pointer;list-style:none;transition:color .22s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-family:var(--font-mono);font-size:20px;line-height:1;color:var(--text-2);transition:transform .26s var(--ease),color .26s var(--ease)}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--lime)}
.faq-item summary:hover{color:var(--lime)}
.faq-item__body{padding:0 0 22px 16px;max-width:78ch;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ===== 底部行动条 ===== */
.cat-cta{padding:56px 0}
@media (min-width:1024px){.cat-cta{padding:88px 0}}
.cat-cta__inner{display:flex;flex-direction:column;gap:28px;align-items:flex-start;padding:32px 24px;background:linear-gradient(140deg,rgba(200,247,81,.08),rgba(28,32,38,.9) 46%,rgba(16,18,22,.96));border:1px solid var(--lime-line);border-radius:16px;box-shadow:var(--shadow-card)}
@media (min-width:1024px){.cat-cta__inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;padding:44px 40px}}
.cat-cta h2{font-size:clamp(1.35rem,2.4vw,1.9rem);margin-bottom:10px}
.cat-cta p{font-size:15px;line-height:1.8;color:var(--text-2);max-width:48ch;margin-bottom:14px}
.cat-cta__actions{display:flex;flex-direction:column;gap:12px;width:100%}
@media (min-width:640px){.cat-cta__actions{flex-direction:row;width:auto;flex-wrap:wrap}}
.cat-cta__actions .btn{width:100%}
@media (min-width:640px){.cat-cta__actions .btn{width:auto}}

/* ===== 页脚 ===== */
.site-footer{position:relative;padding:56px 0 28px;background:var(--ink);border-top:1px solid var(--line)}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,var(--lime),rgba(200,247,81,.2) 40%,transparent 78%);opacity:.55;pointer-events:none}
@media (min-width:1024px){.site-footer{padding:72px 0 32px}}
.site-footer__grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.site-footer__grid{grid-template-columns:repeat(2,1fr);gap:40px}}
@media (min-width:1024px){.site-footer__grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}}
.site-footer__brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;text-decoration:none;margin-bottom:10px}
.site-footer__about{font-size:14px;line-height:1.85;color:var(--text-2);max-width:36ch}
.site-footer__mail{display:inline-block;margin-top:14px;font-size:14px;color:var(--lime);border-bottom:1px solid transparent;transition:border-color .22s var(--ease)}
.site-footer__mail:hover{border-bottom-color:var(--lime-line)}
.site-footer h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}
.site-footer__list li{margin-bottom:8px}
.site-footer__list a{display:inline-block;padding:4px 0;font-size:14px;color:var(--text-2);text-decoration:none;background-image:linear-gradient(var(--lime),var(--lime));background-size:0 1px;background-position:0 100%;background-repeat:no-repeat;transition:color .2s var(--ease),background-size .24s var(--ease)}
.site-footer__list a:hover{color:var(--lime);background-size:100% 1px}
.site-footer__info{font-size:14px;line-height:2;color:var(--text-2)}
.site-footer__info strong{color:var(--text);font-weight:600}
.site-footer__bottom{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;line-height:1.7;color:var(--text-3)}
.site-footer__domain{font-family:var(--font-mono);letter-spacing:.02em;color:var(--text-3)}

/* ===== 进场动效 ===== */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}
