/* roulang page: index */
:root{
  --bg-0:#070D14;
  --bg-1:#0D1721;
  --bg-2:#13202C;
  --primary:#0FD9A6;
  --primary-soft:rgba(15,217,166,.12);
  --accent:#C7F24A;
  --spark:#FF6A3D;
  --text:#E8F1F5;
  --muted:#9DAEBB;
  --dim:#66788A;
  --line:#1E2B38;
  --line-hi:rgba(255,255,255,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.5);
  --nav-w:272px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Rajdhani","DIN Alternate",ui-monospace,SFMono-Regular,monospace;

  --bs-body-bg:var(--bg-0);
  --bs-body-color:var(--text);
  --bs-body-font-family:var(--font-cn);
  --bs-primary:var(--primary);
  --bs-primary-rgb:15,217,166;
  --bs-border-color:var(--line);
  --bs-link-color:var(--primary);
  --bs-link-hover-color:var(--accent);
  --bs-emphasis-color:var(--text);
  --bs-secondary-color:var(--muted);
  --bs-border-radius:var(--r-card);
  --bs-card-bg:var(--bg-1);
  --bs-card-border-color:var(--line);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 420px at 12% 4%,rgba(15,217,166,.10),transparent 62%),
    radial-gradient(640px 400px at 88% 22%,rgba(199,242,74,.06),transparent 66%);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ============ 侧栏导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  z-index:1040;
  display:flex;
  flex-direction:column;
  gap:18px;
  padding:22px 18px 24px;
  background:linear-gradient(180deg,rgba(19,32,44,.94),rgba(9,16,24,.96));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
  overflow-y:auto;
}
.side-nav::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-hi),transparent);
}
.brand{
  display:flex;align-items:center;gap:12px;
  padding:12px;border-radius:var(--r-card);
  border:1px solid var(--line-hi);
  background:rgba(255,255,255,.02);
  color:var(--text);
}
.brand:hover{color:var(--text);border-color:rgba(15,217,166,.4);}
.brand-mark{
  flex:0 0 auto;
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(15,217,166,.22),rgba(15,217,166,.05));
  border:1px solid rgba(15,217,166,.4);
  box-shadow:0 0 18px rgba(15,217,166,.22);
}
.brand-mark svg{width:20px;height:20px;stroke:var(--primary);}
.brand-text{font-size:15px;font-weight:600;line-height:1.35;letter-spacing:.02em;}
.brand-text small{display:block;font-size:11px;color:var(--dim);font-weight:400;letter-spacing:.14em;margin-top:2px;}

.nav-group-label{
  font-size:11px;letter-spacing:.16em;color:var(--dim);
  padding:0 14px;margin-bottom:6px;text-transform:uppercase;
}
.side-nav-list{display:flex;flex-direction:column;gap:6px;}
.nav-link-x{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  color:var(--muted);
  font-size:14.5px;
  transition:background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-link-x svg{width:20px;height:20px;flex:0 0 auto;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;opacity:.85;}
.nav-link-x:hover{background:rgba(255,255,255,.04);color:var(--text);border-color:var(--line-hi);}
.nav-link-x.active{
  color:var(--text);
  background:var(--primary-soft);
  border-color:rgba(15,217,166,.35);
  box-shadow:inset 0 0 0 1px rgba(15,217,166,.1),0 0 20px rgba(15,217,166,.14);
}
.nav-link-x.active svg{stroke:var(--primary);opacity:1;}
.nav-link-x.active::before{
  content:"";
  position:absolute;left:-18px;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--primary);
  box-shadow:0 0 12px var(--primary),0 0 22px rgba(15,217,166,.5);
}
.side-nav-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.side-nav-foot .contact-line{font-size:12.5px;color:var(--dim);line-height:1.9;}
.side-nav-foot .contact-line b{color:var(--muted);font-weight:500;}

/* ============ 移动端顶栏 ============ */
.mobile-top{
  position:sticky;top:0;z-index:1050;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;
  background:rgba(9,16,24,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.mobile-top .brand{padding:6px 10px;border:none;background:transparent;}
.mobile-top .brand-text{font-size:14px;}
.mobile-top .brand-text small{display:none;}
.menu-btn{
  display:grid;place-items:center;
  width:42px;height:42px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-hi);
  background:rgba(255,255,255,.03);
  color:var(--text);
  transition:.25s;
}
.menu-btn svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.6;fill:none;}
.menu-btn:hover{border-color:var(--primary);color:var(--primary);}
.mobile-nav{
  background:rgba(9,16,24,.98);
  border-bottom:1px solid var(--line);
  padding:12px 16px 18px;
}
.mobile-nav .side-nav-list{gap:8px;}
.mobile-nav .nav-link-x.active::before{left:0;top:6px;bottom:6px;width:3px;border-radius:3px;}
.mobile-nav .nav-link-x.active{padding-left:16px;}

/* ============ 主区域 ============ */
.main-wrap{
  margin-left:var(--nav-w);
  position:relative;
  z-index:1;
}
.section{padding:96px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(13,23,33,.75),rgba(7,13,20,.4));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);box-shadow:0 0 8px var(--primary);}
h2.sec-title{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.sec-desc{color:var(--muted);font-size:15.5px;max-width:640px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:104px 0 88px;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(100deg,rgba(7,13,20,.97) 0%,rgba(7,13,20,.88) 42%,rgba(7,13,20,.62) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  z-index:0;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  z-index:0;
  background-image:
    linear-gradient(rgba(30,43,56,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,43,56,.55) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 70% 40%,#000 10%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 90% at 70% 40%,#000 10%,transparent 78%);
  pointer-events:none;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.hero-copy{position:relative;z-index:2;}
.hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:700;
  line-height:1.24;
  margin:16px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--primary);text-shadow:0 0 26px rgba(15,217,166,.35);}
.hero-sub{color:var(--muted);font-size:16.5px;max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-hi);
  background:rgba(255,255,255,.03);
  font-size:12.5px;color:var(--muted);
}
.tag-pill i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);}

.hero-board{
  position:relative;z-index:2;
  border-radius:var(--r-card);
  border:1px solid var(--line-hi);
  background:linear-gradient(180deg,rgba(19,32,44,.82),rgba(13,23,33,.86));
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  padding:22px;
  overflow:hidden;
}
.hero-board::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.board-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.live-dot{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--spark);}
.live-dot i{width:8px;height:8px;border-radius:50%;background:var(--spark);box-shadow:0 0 10px var(--spark);}
.board-time{font-family:var(--font-num);font-size:14px;color:var(--dim);letter-spacing:.08em;}
.board-score{
  display:grid;grid-template-columns:1fr auto 1fr;
  align-items:center;gap:14px;
  padding:18px 14px;
  border-radius:var(--r-img);
  background:rgba(7,13,20,.6);
  border:1px solid var(--line);
}
.board-team{text-align:center;}
.board-team span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.board-team b{font-family:var(--font-num);font-size:clamp(30px,3.4vw,42px);font-weight:600;color:var(--text);letter-spacing:.04em;}
.board-team.home b{color:var(--primary);}
.board-vs{font-family:var(--font-num);font-size:14px;color:var(--dim);letter-spacing:.2em;}
.board-stats{margin-top:18px;display:grid;gap:12px;}
.stat-row{display:grid;grid-template-columns:64px 1fr 44px;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);}
.stat-row .bar{height:6px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);overflow:hidden;}
.stat-row .bar i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--accent));}
.stat-row b{font-family:var(--font-num);font-size:14px;color:var(--accent);text-align:right;}
.board-thumb{
  margin-top:18px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line-hi);
}
.board-thumb img{width:100%;height:150px;object-fit:cover;}

/* ============ 数据条 ============ */
.metrics{
  border-bottom:1px solid var(--line);
  background:rgba(13,23,33,.6);
}
.metrics-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:34px 0;
}
.metric{padding-left:18px;border-left:2px solid var(--line);}
.metric:first-child{border-left-color:var(--primary);}
.metric b{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(26px,2.8vw,36px);
  font-weight:600;
  color:var(--accent);
  letter-spacing:.03em;
  line-height:1.1;
}
.metric span{font-size:13px;color:var(--muted);}

/* ============ 卡片基础 ============ */
.card-surface{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line-hi);
  background:linear-gradient(180deg,rgba(19,32,44,.62),rgba(13,23,33,.72));
  backdrop-filter:blur(12px);
  box-shadow:var(--sh-1);
  padding:24px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  overflow:hidden;
}
.card-surface::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.card-surface:hover{
  transform:translateY(-4px);
  border-color:rgba(15,217,166,.55);
  box-shadow:var(--sh-2);
}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(15,217,166,.1);
  border:1px solid rgba(15,217,166,.3);
  margin-bottom:16px;
}
.card-icon svg{width:21px;height:21px;stroke:var(--primary);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.card-surface h3{font-size:19px;margin-bottom:10px;}
.card-surface p{color:var(--muted);font-size:14.5px;}
.card-num{
  font-family:var(--font-num);
  font-size:13px;letter-spacing:.2em;color:var(--dim);
  margin-bottom:10px;display:block;
}

/* ============ Bento 功能区 ============ */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.bento .b-3{grid-column:span 3;}
.bento .b-2{grid-column:span 2;}
.bento .b-3 .feat-list{margin-top:18px;display:grid;gap:8px;}
.feat-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--muted);}
.feat-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;
  border-radius:2px;background:var(--accent);box-shadow:0 0 8px rgba(199,242,74,.6);
}
.bento .card-surface{display:flex;flex-direction:column;}
.b-3 .card-thumb{margin-top:20px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line-hi);}
.b-3 .card-thumb img{width:100%;height:170px;object-fit:cover;transition:transform .3s ease;}
.b-3:hover .card-thumb img{transform:scale(1.03);}

/* ============ 场景 ============ */
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:34px 0;
  border-bottom:1px dashed var(--line);
}
.scene:last-child{border-bottom:none;}
.scene.rev .scene-media{order:2;}
.scene-media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line-hi);
  box-shadow:var(--sh-1);
  position:relative;
}
.scene-media img{width:100%;height:290px;object-fit:cover;}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(7,13,20,.6));
}
.scene-body h3{font-size:21px;margin:14px 0 12px;}
.scene-body p{color:var(--muted);font-size:15px;}
.scene-list{margin-top:18px;display:grid;gap:10px;}
.scene-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text);
}
.scene-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;stroke:var(--primary);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 最新信息 ============ */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line-hi);
  background:linear-gradient(180deg,rgba(19,32,44,.6),rgba(13,23,33,.72));
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(15,217,166,.5);box-shadow:var(--sh-2);}
.news-thumb{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.news-thumb img{width:100%;height:172px;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-badge{
  align-self:flex-start;
  display:inline-block;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:var(--accent);
  background:rgba(199,242,74,.1);
  border:1px solid rgba(199,242,74,.32);
  margin-bottom:12px;
}
.news-title{
  font-size:16.5px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a{color:var(--text);}
.news-title a:hover{color:var(--primary);}
.news-sum{
  color:var(--muted);font-size:14px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  flex:1;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--dim);
}
.news-foot .more-link{font-size:13px;color:var(--primary);}
.news-foot .more-link:hover{color:var(--accent);}
.news-empty{
  grid-column:1/-1;
  text-align:center;
  padding:56px 24px;
  border-radius:var(--r-card);
  border:1px dashed var(--line);
  background:rgba(13,23,33,.5);
}
.news-empty svg{width:40px;height:40px;stroke:var(--dim);stroke-width:1.4;fill:none;margin:0 auto 14px;}
.news-empty p{color:var(--muted);margin-bottom:16px;font-size:14.5px;}

/* ============ 套餐 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line-hi);
  background:linear-gradient(180deg,rgba(19,32,44,.62),rgba(13,23,33,.75));
  padding:28px 24px;
  display:flex;flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.plan:hover{transform:translateY(-4px);border-color:rgba(15,217,166,.5);box-shadow:var(--sh-2);}
.plan.featured{
  border-color:rgba(15,217,166,.6);
  box-shadow:0 14px 36px rgba(0,0,0,.5),0 0 0 1px rgba(15,217,166,.28);
}
.plan-badge{
  position:absolute;top:-13px;right:22px;
  padding:4px 14px;border-radius:var(--r-pill);
  background:var(--spark);color:#160A05;
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.plan h3{font-size:18px;margin-bottom:8px;}
.plan .plan-desc{font-size:13.5px;color:var(--dim);margin-bottom:20px;}
.plan-price{
  font-family:var(--font-num);
  font-size:38px;font-weight:600;color:var(--text);line-height:1;
  letter-spacing:.02em;margin-bottom:6px;
}
.plan-price span{font-size:14px;color:var(--dim);letter-spacing:0;margin-left:6px;font-family:var(--font-cn);}
.plan.featured .plan-price{color:var(--primary);}
.plan-list{margin:22px 0;display:grid;gap:11px;flex:1;}
.plan-list li{display:flex;gap:9px;font-size:14px;color:var(--muted);align-items:flex-start;}
.plan-list li svg{width:16px;height:16px;flex:0 0 auto;margin-top:5px;stroke:var(--primary);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 反馈 ============ */
.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feedback-card{
  border-radius:var(--r-card);
  border:1px solid var(--line-hi);
  background:linear-gradient(180deg,rgba(19,32,44,.58),rgba(13,23,33,.7));
  padding:24px;display:flex;flex-direction:column;gap:16px;
  box-shadow:var(--sh-1);
  transition:transform .3s ease,border-color .3s ease;
}
.feedback-card:hover{transform:translateY(-4px);border-color:rgba(199,242,74,.4);}
.rate{display:flex;gap:4px;}
.rate i{width:14px;height:14px;background:var(--accent);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);}
.feedback-card p{font-size:14.5px;color:var(--muted);flex:1;}
.feedback-user{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(15,217,166,.14);
  border:1px solid rgba(15,217,166,.35);
  color:var(--primary);font-size:14px;font-weight:600;
}
.feedback-user b{display:block;font-size:14px;font-weight:600;}
.feedback-user span{font-size:12.5px;color:var(--dim);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-color:var(--text);--bs-accordion-border-color:var(--line);--bs-accordion-border-width:0;--bs-accordion-btn-color:var(--text);--bs-accordion-btn-bg:transparent;--bs-accordion-active-color:var(--primary);--bs-accordion-active-bg:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-body-padding-x:0;--bs-accordion-btn-padding-x:0;}
.accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:500;
  padding:22px 44px 22px 0;
  position:relative;
  box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none;}
.accordion-button::after{
  content:"";
  position:absolute;right:6px;top:50%;
  width:16px;height:16px;margin:0;
  transform:translateY(-50%);
  background-image:none;
  border-right:1.6px solid var(--primary);
  border-bottom:1.6px solid var(--primary);
  transition:transform .3s ease;
  transform:translateY(-70%) rotate(45deg);
  border-radius:1px;
}
.accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-body{padding:0 40px 24px 0;color:var(--muted);font-size:14.5px;line-height:1.85;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid rgba(15,217,166,.35);
  background:
    linear-gradient(120deg,rgba(15,217,166,.14),rgba(13,23,33,.9) 55%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  overflow:hidden;
  padding:52px 40px;
  display:grid;
  grid-template-columns:1.4fr auto;
  gap:32px;
  align-items:center;
  box-shadow:var(--sh-1);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(30,43,56,.45) 1px,transparent 1px),linear-gradient(90deg,rgba(30,43,56,.45) 1px,transparent 1px);
  background-size:52px 52px;
  opacity:.5;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:12px;}
.cta-band p{color:var(--muted);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-x svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.btn-main{
  background:var(--primary);
  color:#06121A;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22),0 6px 22px rgba(15,217,166,.3);
}
.btn-main:hover{
  color:#06121A;
  transform:translateY(-2px);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.35),0 12px 34px rgba(15,217,166,.48);
}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-hi);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:rgba(15,217,166,.08);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:500;color:var(--primary);
  position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:22px;bottom:-3px;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.link-arrow:hover::after{transform:scaleX(1);}

/* ============ 页脚 ============ */
.site-foot{
  border-top:1px solid var(--line);
  background:rgba(9,16,24,.85);
  padding:64px 0 0;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.foot-brand .brand{margin-bottom:16px;background:transparent;border:none;padding:0;}
.foot-brand p{color:var(--dim);font-size:13.5px;max-width:320px;line-height:1.9;}
.foot-col h4{font-size:14px;letter-spacing:.08em;margin-bottom:16px;color:var(--text);}
.foot-col ul{display:grid;gap:11px;}
.foot-col a,.foot-col span{color:var(--muted);font-size:13.5px;}
.foot-col a:hover{color:var(--primary);}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  :root{--nav-w:240px;}
}
@media (max-width:1199px){
  :root{--nav-w:220px;}
  .hero{padding:88px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-board{max-width:560px;}
  .bento .b-3,.bento .b-2{grid-column:span 3;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .feedback-grid{grid-template-columns:repeat(2,1fr);}
  .plans{grid-template-columns:1fr;}
  .plan.featured{order:-1;}
}
@media (max-width:991px){
  :root{--nav-w:0px;}
  .side-nav{display:none;}
  .main-wrap{margin-left:0;}
  .section{padding:72px 0;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:20px;padding:28px 0;}
  .scene{grid-template-columns:1fr;gap:26px;}
  .scene.rev .scene-media{order:0;}
  .scene-media img{height:230px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .container-x{padding:0 18px;}
  .news-grid{grid-template-columns:1fr;}
  .feedback-grid{grid-template-columns:1fr;}
  .bento{grid-template-columns:1fr;}
  .bento .b-3,.bento .b-2{grid-column:span 1;}
  .hero{padding:64px 0 56px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-x{width:100%;}
  .hero-tags{gap:8px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-x{width:100%;}
  .board-team b{font-size:32px;}
}
@media (max-width:520px){
  .metrics-grid{grid-template-columns:1fr;gap:16px;}
  .metric{padding-left:14px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .board-score{grid-template-columns:1fr;gap:10px;text-align:center;}
  .board-vs{transform:rotate(90deg);}
  .hero::after{display:none;}
  .card-surface{padding:20px;}
  .accordion-button{font-size:15px;padding:18px 38px 18px 0;}
}

/* roulang page: article */
:root{
  --bs-body-bg:#070D14;
  --bs-body-color:#E8F1F5;
  --bs-body-font-family:var(--font-sans);
  --bs-primary:#0FD9A6;
  --bs-primary-rgb:15,217,166;
  --bs-border-color:#1E2B38;
  --bs-link-color:#0FD9A6;
  --bs-link-hover-color:#C7F24A;
  --bs-link-color-rgb:15,217,166;
  --bs-emphasis-color:#E8F1F5;
  --bs-secondary-color:#9DAEBB;
  --bs-card-bg:#0D1721;
  --bs-card-border-color:#1E2B38;
  --bs-card-cap-bg:#13202C;
  --bs-offcanvas-bg:#0D1721;
  --bs-offcanvas-border-color:#1E2B38;
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:transparent;
  --bs-accordion-btn-color:#E8F1F5;
  --bs-accordion-active-color:#0FD9A6;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-body-padding-x:0;
  --bs-accordion-btn-padding-x:0;

  --bg-0:#070D14;
  --bg-1:#0D1721;
  --bg-2:#13202C;
  --primary:#0FD9A6;
  --accent:#C7F24A;
  --spark:#FF6A3D;
  --text:#E8F1F5;
  --text-2:#9DAEBB;
  --text-3:#66788A;
  --line:#1E2B38;
  --line-hi:rgba(255,255,255,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-badge:999px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.5);
  --sidebar-w:272px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Rajdhani","Barlow Condensed","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
@media (max-width:1399.98px){:root{--sidebar-w:240px;}}
@media (max-width:1199.98px){:root{--sidebar-w:220px;}}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1200px 620px at 78% -12%, rgba(15,217,166,.10), transparent 62%),
    radial-gradient(900px 520px at 6% 4%, rgba(199,242,74,.055), transparent 60%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 46% 0%, #000 0%, transparent 76%);
  mask-image:radial-gradient(circle at 46% 0%, #000 0%, transparent 76%);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--accent);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:767.98px){.container-x{padding:0 16px;}}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  display:flex;
  flex-direction:column;
  gap:22px;
  padding:26px 18px 22px;
  background:linear-gradient(180deg, rgba(19,32,44,.94), rgba(13,23,33,.88));
  border-right:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:0 0 40px rgba(0,0,0,.45);
  z-index:1035;
  overflow-y:auto;
}
.side-brand{padding:2px 6px 18px;border-bottom:1px solid var(--line);}
.side-nav-list{display:flex;flex-direction:column;gap:6px;}
.nav-link-x{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 14px;
  border-radius:var(--r-btn);
  color:var(--text-2);
  font-size:15px;
  line-height:1.4;
  border:1px solid transparent;
  transition:color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease;
}
.nav-link-x svg{
  width:20px;height:20px;flex:none;
  fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
}
.nav-link-x:hover{color:var(--text);background:rgba(255,255,255,.045);border-color:var(--line-hi);}
.nav-link-x.active{
  color:var(--text);
  background:linear-gradient(90deg, rgba(15,217,166,.16), rgba(15,217,166,.02));
  border-color:rgba(15,217,166,.32);
}
.nav-link-x.active::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  box-shadow:0 0 12px rgba(15,217,166,.85);
}
.nav-link-x.active svg{stroke:var(--primary);}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px;}
.side-note{font-size:12.5px;line-height:1.7;color:var(--text-3);}

.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;}
.brand-mark{
  width:40px;height:40px;flex:none;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(145deg, rgba(15,217,166,.24), rgba(199,242,74,.10));
  border:1px solid rgba(15,217,166,.45);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16), 0 0 18px rgba(15,217,166,.22);
}
.brand-mark svg{width:22px;height:22px;fill:none;stroke:var(--primary);stroke-width:1.5;}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:700;letter-spacing:.01em;color:var(--text);line-height:1.3;}
.brand-text small{font-size:11.5px;font-weight:500;letter-spacing:.06em;color:var(--text-3);margin-top:2px;}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
}
.btn-primary-x{
  background:var(--primary);
  color:#04211A;
  box-shadow:0 0 0 1px rgba(15,217,166,.6), 0 6px 22px rgba(15,217,166,.28), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary-x:hover{
  color:#04211A;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(15,217,166,.85), 0 12px 30px rgba(15,217,166,.45), inset 0 1px 0 rgba(255,255,255,.42);
}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost-x:hover{border-color:var(--primary);background:rgba(15,217,166,.09);color:var(--text);transform:translateY(-2px);}
.btn-sm-x{padding:9px 16px;font-size:14px;}
.link-x{position:relative;display:inline-block;color:var(--primary);font-weight:600;}
.link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.link-x:hover::after{transform:scaleX(1);}

/* ============ 移动端导航 ============ */
.mobile-bar{
  position:fixed;top:0;left:0;right:0;
  height:64px;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding:0 16px;
  background:rgba(9,16,24,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  z-index:1040;
}
.mobile-bar .brand-text{font-size:14px;}
.mobile-bar .brand-text small{font-size:10.5px;}
.mobile-bar .brand-mark{width:34px;height:34px;border-radius:10px;}
.mobile-bar .brand-mark svg{width:18px;height:18px;}
.nav-toggle{
  width:42px;height:42px;flex:none;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:border-color .22s ease, background .22s ease;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--text-2);border-radius:2px;transition:background .22s ease;}
.nav-toggle:hover{border-color:rgba(15,217,166,.5);background:rgba(15,217,166,.08);}
.nav-toggle:hover span{background:var(--primary);}
.offcanvas-x{background:linear-gradient(180deg,#0D1721,#070D14);border-right:1px solid var(--line);color:var(--text);}
.offcanvas-x .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 18px;}
.offcanvas-x .offcanvas-body{padding:18px;display:flex;flex-direction:column;gap:8px;}
.offcanvas-x .side-nav-list{gap:6px;}
.btn-close-x{
  width:36px;height:36px;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--text-2);font-size:20px;line-height:1;cursor:pointer;
  transition:border-color .22s ease, color .22s ease;
}
.btn-close-x:hover{border-color:var(--primary);color:var(--primary);}

/* ============ 内容容器 ============ */
.content-wrap{position:relative;z-index:1;margin-left:var(--sidebar-w);min-height:100vh;}
@media (max-width:991.98px){
  .content-wrap{margin-left:0;padding-top:64px;}
}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  padding:72px 0 48px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, rgba(7,13,20,.74), rgba(7,13,20,.97)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 88%);
  mask-image:linear-gradient(180deg,#000,transparent 88%);
}
.page-head .container-x{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .now{color:var(--accent);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--accent);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1.6px;background:var(--accent);display:block;border-radius:2px;}
.article-title{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.3;
  font-weight:700;
  margin:14px 0 20px;
  max-width:920px;
  word-break:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--text-2);}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;
  border-radius:var(--r-badge);
  font-size:12.5px;font-weight:600;
  border:1px solid rgba(15,217,166,.42);
  background:rgba(15,217,166,.12);
  color:var(--primary);
}
.badge-x.accent{border-color:rgba(199,242,74,.42);background:rgba(199,242,74,.12);color:var(--accent);}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--text-3);display:block;}
.num{font-family:var(--font-num);letter-spacing:.03em;}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,800px) 240px;
  gap:48px;
  justify-content:center;
  align-items:start;
  padding:56px 0 72px;
}
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,800px);gap:0;padding:40px 0 56px;}
}
.article-main{
  background:linear-gradient(180deg, rgba(19,32,44,.58), rgba(13,23,33,.34));
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:40px 44px 36px;
  box-shadow:var(--sh-1);
  min-width:0;
}
@media (max-width:767.98px){.article-main{padding:24px 18px 26px;}}

.article-body{font-size:17px;line-height:1.9;color:#DCE8EE;word-break:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.2vw,26px);
  font-weight:600;
  line-height:1.4;
  color:var(--text);
  margin:2em 0 .85em;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;bottom:.34em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(15,217,166,.18));
  box-shadow:0 0 12px rgba(15,217,166,.45);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--text);margin:1.7em 0 .7em;}
.article-body h4{font-size:17px;font-weight:600;color:var(--text-2);margin:1.4em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em;}
.article-body li{margin:.45em 0;}
.article-body li::marker{color:var(--primary);}
.article-body strong{color:var(--text);font-weight:600;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(15,217,166,.42);}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(199,242,74,.6);}
.article-body blockquote{
  margin:0 0 1.5em;
  padding:18px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  background:rgba(15,217,166,.07);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);border:1px solid var(--line-hi);margin:0 auto .6em;}
.article-body figure{margin:0 0 1.6em;}
.article-body figcaption{font-size:13.5px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:0 0 1.6em;
  font-size:15.5px;
  border:1px solid var(--line);
  border-radius:var(--r-img);
  overflow:hidden;
}
.article-body th,.article-body td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:rgba(19,32,44,.9);color:var(--text);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  font-family:var(--font-num);
  background:rgba(15,217,166,.1);
  border:1px solid rgba(15,217,166,.24);
  border-radius:6px;
  padding:1px 6px;
  font-size:14.5px;
  color:var(--accent);
}
.article-body pre{
  background:rgba(7,13,20,.86);
  border:1px solid var(--line);
  border-radius:var(--r-img);
  padding:18px;
  overflow:auto;
  margin:0 0 1.6em;
}
.article-body pre code{background:none;border:0;padding:0;color:#DCE8EE;}
.article-body .tip{
  margin:0 0 1.6em;
  padding:16px 20px;
  border:1px solid rgba(199,242,74,.32);
  border-radius:var(--r-img);
  background:rgba(199,242,74,.07);
  color:var(--text-2);
  font-size:15.5px;
}
@media (max-width:575.98px){
  .article-body{font-size:16px;line-height:1.85;}
}

.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  gap:14px;
  padding:56px 24px 48px;
}
.empty-state .empty-icon{
  width:58px;height:58px;
  display:grid;place-items:center;
  border-radius:16px;
  border:1px solid rgba(15,217,166,.34);
  background:rgba(15,217,166,.08);
}
.empty-state .empty-icon svg{width:26px;height:26px;fill:none;stroke:var(--primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:22px;font-weight:600;color:var(--text);}
.empty-state p{font-size:15.5px;color:var(--text-2);max-width:460px;}

/* ============ 文末 ============ */
.article-foot{
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-label{font-size:12px;letter-spacing:.12em;color:var(--text-3);text-transform:uppercase;}
.tag-x{
  display:inline-flex;align-items:center;
  padding:5px 13px;
  border-radius:var(--r-badge);
  font-size:12.5px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:border-color .22s ease, color .22s ease, background .22s ease;
}
.tag-x:hover{border-color:rgba(199,242,74,.5);color:var(--accent);background:rgba(199,242,74,.08);}

/* ============ 目录 ============ */
.toc-panel{
  position:sticky;
  top:32px;
  padding:22px 20px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg, rgba(19,32,44,.88), rgba(13,23,33,.72));
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:var(--sh-1);
}
.toc-panel h4{font-size:12px;letter-spacing:.12em;color:var(--text-3);font-weight:600;margin-bottom:14px;text-transform:uppercase;}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;max-height:62vh;overflow:auto;}
.toc-list a{
  display:block;
  padding:7px 10px;
  font-size:14px;
  color:var(--text-2);
  border-left:2px solid var(--line);
  border-radius:0 8px 8px 0;
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
.toc-list a:hover{color:var(--primary);border-left-color:var(--primary);background:rgba(15,217,166,.07);}
.toc-list a.lv3{padding-left:22px;font-size:13.5px;color:var(--text-3);}

/* ============ 相关推荐 ============ */
.section{padding:0 0 96px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;margin-top:10px;}
.section-head p{font-size:15px;color:var(--text-2);max-width:560px;margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991.98px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.card-grid{grid-template-columns:minmax(0,1fr);}}
.card-x{
  position:relative;
  display:flex;flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg, rgba(19,32,44,.9), rgba(13,23,33,.78));
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card-x::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);
  pointer-events:none;
}
.card-x:hover{transform:translateY(-4px);border-color:rgba(15,217,166,.45);box-shadow:var(--sh-2);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card-x:hover .card-media img{transform:scale(1.03);}
.card-media .badge-x{position:absolute;left:14px;top:14px;background:rgba(7,13,20,.82);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--text);}
.card-body p{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);padding-top:6px;}

/* ============ FAQ ============ */
.faq-x{border-top:1px solid var(--line);}
.faq-x .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq-x .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:17px;font-weight:600;
  padding:20px 44px 20px 0;
  box-shadow:none;
  border-radius:0;
}
.faq-x .accordion-button:not(.collapsed){color:var(--primary);background:transparent;}
.faq-x .accordion-button:focus{box-shadow:none;outline:2px solid rgba(15,217,166,.5);outline-offset:2px;}
.faq-x .accordion-button::after{
  width:16px;height:16px;
  background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);
  background-size:15px 1.6px, 1.6px 15px;
  background-position:center;
  background-repeat:no-repeat;
  transition:transform .3s ease;
}
.faq-x .accordion-button:not(.collapsed)::after{transform:rotate(135deg);}
.faq-x .accordion-body{color:var(--text-2);font-size:15.5px;line-height:1.8;padding:0 0 22px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:52px 44px;
  background:linear-gradient(115deg, rgba(15,217,166,.14), rgba(13,23,33,.94) 58%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  box-shadow:var(--sh-1);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 78%);
  mask-image:linear-gradient(90deg,#000,transparent 78%);
}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (max-width:767.98px){
  .cta-band{padding:32px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-x{width:100%;}
}

/* ============ 页脚 ============ */
.site-foot{
  position:relative;
  margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(13,23,33,.9), rgba(7,13,20,.98));
  padding:64px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:32px;}
@media (max-width:991.98px){.foot-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:575.98px){.foot-grid{grid-template-columns:1fr;gap:28px;}}
.foot-brand{display:flex;flex-direction:column;gap:16px;}
.foot-brand .brand-text{font-size:16px;}
.foot-brand p{font-size:14px;color:var(--text-2);max-width:340px;}
.foot-col h4{font-size:13px;letter-spacing:.1em;color:var(--text-3);font-weight:600;margin-bottom:16px;text-transform:uppercase;}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.foot-col a,.foot-col span{font-size:14.5px;color:var(--text-2);}
.foot-col a:hover{color:var(--primary);}
.foot-bottom{
  margin-top:48px;
  padding:22px 0 28px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}

/* roulang page: category1 */
:root{
  --bg:#070D14;
  --surface-1:#0D1721;
  --surface-2:#13202C;
  --primary:#0FD9A6;
  --accent:#C7F24A;
  --spark:#FF6A3D;
  --text:#E8F1F5;
  --text-2:#9DAEBB;
  --text-3:#66788A;
  --line:#1E2B38;
  --line-hi:rgba(255,255,255,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 14px 36px rgba(0,0,0,.5);
  --nav-w:272px;
  --num-font:"Barlow Condensed","Rajdhani","Arial Narrow","PingFang SC",system-ui,sans-serif;
}
:root,[data-bs-theme="dark"]{
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-primary:#0FD9A6;
  --bs-primary-rgb:15,217,166;
  --bs-border-color:#1E2B38;
  --bs-card-bg:#0D1721;
  --bs-card-border-color:#1E2B38;
  --bs-link-color:#0FD9A6;
  --bs-link-hover-color:#C7F24A;
  --bs-emphasis-color:#E8F1F5;
  --bs-secondary-color:#9DAEBB;
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:#1E2B38;
  --bs-accordion-btn-color:#E8F1F5;
  --bs-accordion-active-color:#0FD9A6;
  --bs-accordion-active-bg:transparent;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:90px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--accent);}
button{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.num{font-family:var(--num-font);letter-spacing:.02em;font-weight:700;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 布局骨架 ---------- */
.app-shell{display:flex;min-height:100vh;}
.page-main{flex:1;min-width:0;display:flex;flex-direction:column;}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  width:var(--nav-w);flex:0 0 var(--nav-w);
  position:sticky;top:0;height:100vh;z-index:30;
  background:linear-gradient(180deg,rgba(19,32,44,.92),rgba(9,16,24,.96));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.side-nav-inner{display:flex;flex-direction:column;gap:22px;height:100%;padding:26px 18px 22px;overflow-y:auto;}
.side-nav-inner::-webkit-scrollbar{width:6px;}
.side-nav-inner::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px;}

.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(15,217,166,.24),rgba(199,242,74,.12));
  border:1px solid rgba(15,217,166,.42);
  box-shadow:0 0 18px rgba(15,217,166,.22),inset 0 1px 0 rgba(255,255,255,.12);
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:var(--primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:700;color:var(--text);line-height:1.25;}
.brand-text small{font-size:11px;font-weight:400;color:var(--text-3);letter-spacing:.1em;margin-top:2px;}

.side-nav-list{display:flex;flex-direction:column;gap:6px;}
.nav-link-x{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-btn);
  font-size:14px;color:var(--text-2);
  border:1px solid transparent;
  transition:background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-link-x svg{width:20px;height:20px;flex:0 0 20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.nav-link-x:hover{color:var(--text);background:rgba(255,255,255,.045);border-color:var(--line-hi);}
.nav-link-x.active{
  color:var(--text);
  background:rgba(15,217,166,.1);
  border-color:rgba(15,217,166,.36);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 0 18px rgba(15,217,166,.14);
}
.nav-link-x.active::before{
  content:"";position:absolute;left:-6px;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:3px;background:var(--primary);
  box-shadow:0 0 12px var(--primary);
}
.side-nav-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line);}
.side-note{font-size:13px;color:var(--text-3);line-height:1.6;margin:0;}

/* ---------- 顶部移动导航 ---------- */
.top-bar{display:none;position:sticky;top:0;z-index:45;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:rgba(9,16,24,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
.top-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);background:rgba(255,255,255,.03);display:grid;place-items:center;gap:4px;padding:11px 10px;cursor:pointer;}
.nav-toggle span{display:block;width:100%;height:2px;background:var(--text-2);border-radius:2px;transition:background .2s;}
.nav-toggle:hover span{background:var(--primary);}
.mobile-drawer{display:none;background:var(--surface-1);border-bottom:1px solid var(--line);}
.mobile-drawer .side-nav-list{padding:14px 16px 20px;}
@media (max-width:991.98px){
  .top-bar{display:flex;}
  .mobile-drawer{display:block;}
  .side-nav{display:none;}
  .app-shell{display:block;}
}
@media (min-width:992px){
  .top-bar,.mobile-drawer{display:none !important;}
}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary-x{
  background:linear-gradient(180deg,#12E8B2,#0FD9A6);
  color:#04140F;
  box-shadow:0 0 0 1px rgba(15,217,166,.45),0 0 22px rgba(15,217,166,.34),inset 0 1px 0 rgba(255,255,255,.42);
}
.btn-primary-x:hover{color:#04140F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(15,217,166,.6),0 0 34px rgba(15,217,166,.5),inset 0 1px 0 rgba(255,255,255,.5);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{background:transparent;color:var(--text);border-color:rgba(255,255,255,.18);}
.btn-ghost-x:hover{background:rgba(15,217,166,.1);border-color:rgba(15,217,166,.5);color:var(--text);}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-x:disabled{opacity:.45;cursor:not-allowed;}
.link-x{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);
  position:relative;
}
.link-x::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--primary);transition:width .28s ease;}
.link-x:hover::after{width:100%;}
.link-x svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 徽章 / 标签 ---------- */
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(199,242,74,.1);color:var(--accent);border:1px solid rgba(199,242,74,.32);
}
.badge-x.primary{background:rgba(15,217,166,.12);color:var(--primary);border-color:rgba(15,217,166,.35);}
.badge-x.spark{background:rgba(255,106,61,.12);color:#FF8A63;border-color:rgba(255,106,61,.35);}

/* ---------- 页头 Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:84px 0 76px;border-bottom:1px solid var(--line);}
.page-hero .hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.34;}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(620px 320px at 82% 18%,rgba(15,217,166,.2),transparent 72%),
    radial-gradient(420px 260px at 12% 88%,rgba(199,242,74,.1),transparent 70%),
    linear-gradient(120deg,rgba(7,13,20,.95) 18%,rgba(7,13,20,.76) 58%,rgba(7,13,20,.96));
}
.grid-lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 55% 40%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 55% 40%,#000,transparent 76%);
}
.page-hero .container-x{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--text-3);opacity:.6;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.24;font-weight:700;margin:18px 0 16px;letter-spacing:-.01em;}
h1 .hl{color:var(--primary);}
.hero-lead{font-size:16.5px;color:var(--text-2);max-width:580px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px;}
.stat{padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-card);background:rgba(255,255,255,.025);}
.stat b{display:block;font-family:var(--num-font);font-size:27px;font-weight:700;color:var(--accent);line-height:1.1;}
.stat span{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px;}

.hero-card{
  border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:linear-gradient(180deg,rgba(19,32,44,.72),rgba(9,16,24,.8));
  box-shadow:var(--shadow-2);
}
.hero-card figure{margin:0;overflow:hidden;}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
.hero-card:hover img{transform:scale(1.03);}
.hero-card .hero-card-body{padding:20px 22px 22px;border-top:1px solid var(--line);}
.hero-card .hero-card-body h3{font-size:17px;margin-bottom:8px;}
.hero-card .hero-card-body p{font-size:14px;color:var(--text-2);margin:0;}
.mini-list{display:flex;flex-direction:column;gap:8px;margin-top:14px;}
.mini-list li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--text-2);}
.mini-list li::before{content:"";width:6px;height:6px;margin-top:8px;flex:0 0 6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary);}

.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.anchor-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);
  transition:color .22s ease,border-color .22s ease,background .22s ease;
}
.anchor-pill:hover{color:var(--primary);border-color:rgba(15,217,166,.5);background:rgba(15,217,166,.08);}

/* ---------- 板块 ---------- */
.section{padding:96px 0;position:relative;}
.section.alt{background:linear-gradient(180deg,rgba(13,23,33,.55),rgba(7,13,20,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:740px;margin-bottom:44px;}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.12em;color:var(--primary);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);box-shadow:0 0 8px var(--primary);}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-bottom:14px;}
.section-lead{color:var(--text-2);font-size:16px;margin:0;}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split + .split{margin-top:76px;}
.split.reverse .split-media{order:2;}
.split-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--surface-1);box-shadow:var(--shadow-1);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .45s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-body h3{font-size:19px;margin-bottom:12px;}
.split-body > p{color:var(--text-2);font-size:15.5px;}

.spec-list{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.spec-list .spec-row{
  display:grid;grid-template-columns:132px 1fr;gap:16px;align-items:start;
  padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.022);
  transition:border-color .25s ease,background .25s ease;
}
.spec-list .spec-row:hover{border-color:rgba(15,217,166,.4);background:rgba(15,217,166,.05);}
.spec-key{font-size:13px;color:var(--accent);font-weight:600;letter-spacing:.03em;line-height:1.6;}
.spec-val{font-size:14.5px;color:var(--text-2);line-height:1.7;}
.split-body .link-x{margin-top:22px;}

/* ---------- 表格 ---------- */
.table-wrap{
  position:relative;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(19,32,44,.6),rgba(9,16,24,.7));
  box-shadow:var(--shadow-1);
}
.table-wrap::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:36px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(7,13,20,.85));
}
.table-x{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px;}
.table-x th{
  text-align:left;padding:16px 20px;font-weight:600;font-size:14px;color:var(--accent);
  background:rgba(15,217,166,.08);border-bottom:1px solid var(--line);white-space:nowrap;
}
.table-x td{padding:15px 20px;color:var(--text-2);border-bottom:1px solid rgba(30,43,56,.75);vertical-align:top;}
.table-x tbody tr:last-child td{border-bottom:0;}
.table-x tbody tr{transition:background .22s ease;}
.table-x tbody tr:hover{background:rgba(255,255,255,.03);}
.table-x tbody tr:hover td{color:var(--text);}
.table-x td:first-child{color:var(--text);font-weight:600;white-space:nowrap;}
.table-note{font-size:13px;color:var(--text-3);margin-top:14px;}

/* ---------- 卡片网格 ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:24px;}
.card-x{
  position:relative;padding:24px;border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,32,44,.78),rgba(11,20,29,.72));
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card-x::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.24),transparent);
}
.card-x:hover{transform:translateY(-4px);border-color:rgba(15,217,166,.5);box-shadow:var(--shadow-2);}
.card-x .card-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(15,217,166,.1);border:1px solid rgba(15,217,166,.3);
}
.card-x .card-icon svg{width:20px;height:20px;fill:none;stroke:var(--primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.card-x h3{font-size:17px;margin-bottom:10px;}
.card-x p{font-size:14.5px;color:var(--text-2);}
.card-x .card-tag{display:inline-block;margin-bottom:12px;font-family:var(--num-font);font-size:12px;letter-spacing:.14em;color:var(--text-3);}

/* ---------- 反馈摘录 ---------- */
.quote-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:start;}
.quote-card{
  border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;
  background:rgba(255,255,255,.022);transition:border-color .25s ease,transform .3s ease;
}
.quote-card:hover{border-color:rgba(15,217,166,.42);transform:translateY(-3px);}
.quote-card p{font-size:15px;color:var(--text);margin-bottom:14px;}
.quote-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.quote-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.quote-list{display:flex;flex-direction:column;gap:16px;}
.rate-box{border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;background:linear-gradient(180deg,rgba(19,32,44,.7),rgba(9,16,24,.62));}
.rate-box h3{font-size:16px;margin-bottom:18px;}
.rate-item{margin-bottom:16px;}
.rate-item:last-child{margin-bottom:0;}
.rate-head{display:flex;justify-content:space-between;font-size:13.5px;color:var(--text-2);margin-bottom:7px;}
.rate-head b{font-family:var(--num-font);color:var(--accent);font-size:15px;}
.rate-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden;}
.rate-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));box-shadow:0 0 12px rgba(15,217,166,.5);}

/* ---------- FAQ ---------- */
.accordion-x{border-top:1px solid var(--line);}
.accordion-x .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-x .accordion-header{margin:0;}
.accordion-x .accordion-button{
  position:relative;width:100%;background:transparent;border:0;box-shadow:none;
  color:var(--text);font-size:16px;font-weight:600;line-height:1.6;
  padding:22px 52px 22px 0;border-radius:0;text-align:left;
  transition:color .25s ease;
}
.accordion-x .accordion-button:hover{color:var(--primary);}
.accordion-x .accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none;}
.accordion-x .accordion-button::after{
  content:"";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;margin:0;
  background-image:linear-gradient(var(--primary),var(--primary)),linear-gradient(var(--primary),var(--primary));
  background-size:16px 2px,2px 16px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform .3s ease;
}
.accordion-x .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(135deg);}
.accordion-x .accordion-body{padding:0 54px 24px 0;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;padding:52px 48px;
  border:1px solid rgba(15,217,166,.34);
  background:linear-gradient(118deg,rgba(15,217,166,.16),rgba(199,242,74,.06) 46%,rgba(11,20,29,.92));
  box-shadow:var(--shadow-2);
}
.cta-band .glow{
  position:absolute;right:-90px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,217,166,.28),transparent 68%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;}
.cta-inner h2{margin-bottom:12px;}
.cta-inner p{color:var(--text-2);font-size:15.5px;margin:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:auto;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,23,33,.7),rgba(7,13,20,.97));
  padding:64px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.foot-brand p{color:var(--text-3);font-size:14px;margin-top:16px;max-width:320px;}
.foot-col h4{font-size:14px;margin-bottom:16px;letter-spacing:.05em;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a,.foot-col span{font-size:14px;color:var(--text-3);}
.foot-col a:hover{color:var(--primary);}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){:root{--nav-w:240px;}}
@media (max-width:1199.98px){
  :root{--nav-w:220px;}
  .hero-grid{gap:36px;}
  .split{gap:36px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .page-hero{padding:64px 0 58px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-lead{max-width:none;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split + .split{margin-top:56px;}
  .split.reverse .split-media{order:0;}
  .quote-grid{grid-template-columns:1fr;gap:24px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:40px 28px;}
}
@media (max-width:767.98px){
  .container-x{padding:0 18px;}
  .stat-row{grid-template-columns:1fr;gap:12px;}
  .spec-list .spec-row{grid-template-columns:1fr;gap:6px;}
  .tip-grid{grid-template-columns:1fr;}
  .accordion-x .accordion-body{padding-right:0;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .section{padding:48px 0;}
  .page-hero{padding:48px 0 44px;}
  h1{font-size:clamp(25px,7.6vw,32px);}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-x{width:100%;}
  .cta-actions .btn-x{width:100%;}
  .grid-lines{display:none;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:6px;}
  .cta-band{padding:32px 20px;}
  .card-x,.rate-box{padding:20px 18px;}
}

/* roulang page: category3 */
:root{
  --bg:#070D14;
  --surface:#0D1721;
  --surface-2:#13202C;
  --primary:#0FD9A6;
  --lemon:#C7F24A;
  --orange:#FF6A3D;
  --text:#E8F1F5;
  --muted:#9DAEBB;
  --dim:#66788A;
  --line:#1E2B38;
  --hair:rgba(255,255,255,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.5);
  --nav-w:272px;
  --sec-pad:96px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow Condensed","Rajdhani",ui-monospace,SFMono-Regular,Consolas,monospace;
}

[data-bs-theme="dark"]{
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-body-font-family:var(--font-cn);
  --bs-primary:#0FD9A6;
  --bs-primary-rgb:15,217,166;
  --bs-border-color:#1E2B38;
  --bs-border-color-translucent:rgba(255,255,255,.08);
  --bs-secondary-color:#9DAEBB;
  --bs-emphasis-color:#E8F1F5;
  --bs-link-color:#0FD9A6;
  --bs-link-hover-color:#C7F24A;
  --bs-card-bg:transparent;
  --bs-card-border-color:#1E2B38;
  --bs-card-cap-bg:transparent;
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:#1E2B38;
  --bs-accordion-btn-color:#E8F1F5;
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:#0FD9A6;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-body-padding-x:0;
  --bs-border-radius:14px;
  --bs-border-radius-sm:10px;
  --bs-border-radius-lg:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding-left:var(--nav-w);
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 82% -8%, rgba(15,217,166,.10), transparent 62%),
    radial-gradient(760px 460px at 6% 12%, rgba(199,242,74,.06), transparent 60%);
  background-attachment:fixed;
}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--lemon)}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  display:flex;
  flex-direction:column;
  gap:20px;
  padding:26px 20px 22px;
  background:linear-gradient(180deg,rgba(19,32,44,.93),rgba(8,15,22,.96));
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-right:1px solid var(--line);
  box-shadow:0 0 0 1px rgba(255,255,255,.03) inset;
  z-index:1040;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--text);
  text-decoration:none;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(150deg,rgba(15,217,166,.24),rgba(199,242,74,.10));
  border:1px solid rgba(15,217,166,.42);
  box-shadow:0 0 18px rgba(15,217,166,.22) inset;
}
.brand-mark svg{width:22px;height:22px;stroke:var(--primary);stroke-width:1.6;fill:none;stroke-linecap:round}
.brand-text{
  display:flex;flex-direction:column;
  font-size:15px;font-weight:700;line-height:1.25;
}
.brand-text small{
  font-size:11px;font-weight:500;letter-spacing:.1em;
  color:var(--dim);
  margin-top:3px;
}
.side-nav-list{
  display:flex;
  flex-direction:column;
  gap:6px;
  flex:1 1 auto;
  overflow-y:auto;
  padding-right:2px;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.nav-link-x{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border-radius:var(--r-btn);
  color:var(--muted);
  font-size:14.5px;
  font-weight:500;
  text-decoration:none;
  transition:color .2s ease,background .2s ease;
}
.nav-link-x svg{
  width:20px;height:20px;flex:0 0 20px;
  fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
}
.nav-link-x:hover{color:var(--text);background:rgba(255,255,255,.045)}
.nav-link-x.active{
  color:var(--primary);
  background:rgba(15,217,166,.09);
  box-shadow:inset 0 0 0 1px rgba(15,217,166,.18);
}
.nav-link-x.active::before{
  content:"";
  position:absolute;
  left:-20px;top:11px;bottom:11px;
  width:3px;border-radius:0 3px 3px 0;
  background:var(--primary);
  box-shadow:0 0 12px rgba(15,217,166,.85);
}
.side-foot{display:flex;flex-direction:column;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.side-contact{font-size:12.5px;line-height:1.85;color:var(--dim)}
.side-contact span{color:var(--muted)}
.burger{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(19,32,44,.8);
  cursor:pointer;
  padding:12px 11px;
  flex-direction:column;
  justify-content:space-between;
}
.burger span{display:block;height:2px;border-radius:2px;background:var(--text)}

/* ============ 按钮 ============ */
.btn-x-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  background:var(--primary);
  color:#05261E;
  font-weight:700;
  font-size:15px;
  border:1px solid transparent;
  text-decoration:none;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.30),0 0 0 1px rgba(15,217,166,.32),0 10px 28px rgba(15,217,166,.26);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.btn-x-primary:hover,.btn-x-primary:focus{color:#05261E;background:#22E9B8;transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.42),0 0 0 1px rgba(15,217,166,.5),0 16px 36px rgba(15,217,166,.4)}
.btn-x-primary:active{transform:translateY(0)}
.btn-x-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:transparent;
  color:var(--text);
  font-weight:600;
  font-size:15px;
  text-decoration:none;
  transition:border-color .22s ease,background .22s ease,color .22s ease,transform .22s ease;
}
.btn-x-ghost:hover,.btn-x-ghost:focus{color:var(--primary);border-color:rgba(15,217,166,.6);background:rgba(15,217,166,.08);transform:translateY(-2px)}
.w-100{width:100%}

/* ============ 页头 ============ */
.site-main{min-height:60vh}
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 54px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.26;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(7,13,20,.97) 0%,rgba(7,13,20,.86) 46%,rgba(7,13,20,.95) 100%);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse at 26% 0%,#000 22%,transparent 76%);
  mask-image:radial-gradient(ellipse at 26% 0%,#000 22%,transparent 76%);
  pointer-events:none;
}
.page-hero .container-x{position:relative;z-index:2}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--dim);
  margin-bottom:20px;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#33465a}
.crumb .cur{color:var(--lemon)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.14em;
  color:var(--lemon);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--lemon);opacity:.7}
.hero-title{
  font-size:clamp(28px,4vw,44px);
  font-weight:700;
  line-height:1.25;
  max-width:20em;
}
.hero-title em{
  font-style:normal;
  color:var(--primary);
}
.hero-lede{
  margin-top:18px;
  max-width:44em;
  font-size:16.5px;
  color:var(--muted);
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:30px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:30px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(19,32,44,.6);
  font-size:13px;
  color:var(--muted);
}
.chip b{color:var(--lemon);font-family:var(--font-num);font-size:15px;font-weight:600;letter-spacing:.02em}

/* ============ 页内锚点 ============ */
.anchor-bar-wrap{
  position:sticky;top:0;z-index:30;
  background:rgba(8,15,22,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:14px 0;
}
.anchor-pill{
  display:inline-flex;align-items:center;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:13.5px;
  text-decoration:none;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.anchor-pill:hover,.anchor-pill:focus{
  color:var(--primary);
  border-color:rgba(15,217,166,.55);
  background:rgba(15,217,166,.08);
}

/* ============ 板块 ============ */
.section{padding:var(--sec-pad) 0}
.section.alt{background:linear-gradient(180deg,rgba(19,32,44,.45),rgba(7,13,20,0))}
.section-head{max-width:760px;margin-bottom:40px}
.h2-x{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:600;
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:15.5px}

/* ============ 图文与自检清单 ============ */
.split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:32px;
  align-items:center;
}
.figure-card{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--sh-1);
  background:var(--surface);
}
.figure-card img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-img);
}
.figure-card .badge-float{
  position:absolute;
  left:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;
  border-radius:999px;
  background:rgba(7,13,20,.82);
  border:1px solid rgba(15,217,166,.42);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  font-size:13px;
  color:var(--primary);
}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.check-item{
  display:flex;gap:14px;
  padding:18px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,32,44,.85),rgba(13,23,33,.85));
  transition:border-color .25s ease,transform .25s ease;
}
.check-item:hover{border-color:rgba(15,217,166,.5);transform:translateY(-3px)}
.check-icon{
  width:30px;height:30px;flex:0 0 30px;
  display:grid;place-items:center;
  border-radius:9px;
  background:rgba(15,217,166,.14);
  border:1px solid rgba(15,217,166,.36);
}
.check-icon svg{width:16px;height:16px;stroke:var(--primary);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.check-item h3{font-size:16.5px;font-weight:600;margin-bottom:6px}
.check-item p{font-size:14.5px;color:var(--muted)}

/* ============ 卡片网格 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(258px,1fr));
  gap:24px;
}
.card-x{
  position:relative;
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,32,44,.92),rgba(13,23,33,.92));
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.card-x::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
}
.card-x:hover{
  transform:translateY(-4px);
  border-color:rgba(15,217,166,.55);
  box-shadow:var(--sh-2);
}
.card-num{
  font-family:var(--font-num);
  font-size:30px;
  line-height:1;
  font-weight:600;
  color:var(--lemon);
  letter-spacing:.02em;
  margin-bottom:14px;
  display:block;
}
.card-x h3{font-size:17.5px;font-weight:600;margin-bottom:10px}
.card-x p{font-size:14.5px;color:var(--muted)}

/* ============ 对照表 ============ */
.cmp-outer{position:relative}
.cmp-wrap{
  overflow-x:auto;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,32,44,.9),rgba(11,19,27,.9));
  box-shadow:var(--sh-1);
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.cmp-table{
  width:100%;
  min-width:860px;
  border-collapse:collapse;
  font-size:14.5px;
}
.cmp-table th{
  text-align:left;
  padding:18px 20px;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--lemon);
  font-weight:600;
  background:rgba(15,217,166,.07);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.cmp-table td{
  padding:18px 20px;
  border-bottom:1px solid rgba(30,43,56,.75);
  color:var(--muted);
  vertical-align:top;
}
.cmp-table tr:last-child td{border-bottom:0}
.cmp-table tbody tr{transition:background .22s ease}
.cmp-table tbody tr:hover{background:rgba(15,217,166,.05)}
.cmp-table td:first-child{
  color:var(--text);
  font-weight:600;
  white-space:nowrap;
}
.cmp-table .tag{
  display:inline-block;
  padding:3px 11px;
  border-radius:999px;
  font-size:12.5px;
  border:1px solid rgba(15,217,166,.4);
  background:rgba(15,217,166,.1);
  color:var(--primary);
}
.cmp-table .tag.warn{
  border-color:rgba(255,106,61,.45);
  background:rgba(255,106,61,.12);
  color:#FF8B66;
}
.cmp-hint{display:none;margin-top:12px;font-size:13px;color:var(--dim)}

/* ============ 流程时间线 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  left:6%;right:6%;top:26px;height:1px;
  background:linear-gradient(90deg,rgba(15,217,166,.6),rgba(199,242,74,.35),rgba(15,217,166,.05));
}
.step{position:relative;padding-top:0}
.step-num{
  position:relative;
  width:52px;height:52px;
  display:grid;place-items:center;
  border-radius:14px;
  font-family:var(--font-num);
  font-size:22px;
  font-weight:600;
  color:var(--primary);
  background:linear-gradient(160deg,rgba(19,32,44,.98),rgba(9,16,24,.98));
  border:1px solid rgba(15,217,166,.4);
  box-shadow:0 0 22px rgba(15,217,166,.18);
  margin-bottom:20px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  background:transparent;
  border:0;
  border-top:1px solid var(--line);
  border-radius:0;
}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-acc .accordion-button{
  position:relative;
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:600;
  padding:22px 56px 22px 0;
  border:0;
  border-radius:0 !important;
  box-shadow:none !important;
  transition:color .22s ease;
}
.faq-acc .accordion-button:hover{color:var(--primary)}
.faq-acc .accordion-button:not(.collapsed){color:var(--primary)}
.faq-acc .accordion-button::after{display:none}
.acc-plus{
  position:absolute;
  right:6px;top:50%;
  width:24px;height:24px;
  transform:translateY(-50%);
  border-radius:8px;
  border:1px solid var(--line);
  background:rgba(19,32,44,.7);
}
.acc-plus::before,.acc-plus::after{
  content:"";
  position:absolute;left:50%;top:50%;
  background:var(--primary);
  transform:translate(-50%,-50%);
}
.acc-plus::before{width:10px;height:1.6px}
.acc-plus::after{width:1.6px;height:10px;transition:transform .25s ease}
.accordion-button:not(.collapsed) .acc-plus{border-color:rgba(15,217,166,.55)}
.accordion-button:not(.collapsed) .acc-plus::after{transform:translate(-50%,-50%) rotate(90deg) scaleY(0)}
.faq-acc .accordion-body{
  padding:0 56px 24px 0;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}
.faq-acc .accordion-body ul{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.faq-acc .accordion-body li{position:relative;padding-left:18px}
.faq-acc .accordion-body li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:50%;
  background:var(--lemon);
}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid rgba(15,217,166,.3);
  background:linear-gradient(120deg,rgba(15,217,166,.14),rgba(19,32,44,.92) 46%,rgba(199,242,74,.1));
  padding:48px 44px;
  box-shadow:var(--sh-1);
}
.cta-band::after{
  content:"";
  position:absolute;right:-60px;top:-70px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,217,166,.3),transparent 65%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,2.4vw,30px);font-weight:600;margin-bottom:12px}
.cta-band p{color:var(--muted);max-width:52em;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ============ 页脚 ============ */
.site-foot{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,19,27,.7),rgba(6,11,17,.98));
  padding:64px 0 28px;
  margin-top:8px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.foot-brand .brand{margin-bottom:18px}
.foot-brand p{font-size:14px;color:var(--muted);max-width:32em}
.foot-col h4{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--lemon);
  font-weight:600;
  margin-bottom:16px;
}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col a{color:var(--muted);font-size:14px}
.foot-col a:hover{color:var(--primary)}
.foot-col span{color:var(--muted);font-size:14px}
.foot-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:var(--dim);
}

/* ============ 响应式 ============ */
@media (min-width:1200px) and (max-width:1399px){:root{--nav-w:240px}}
@media (min-width:992px) and (max-width:1199px){:root{--nav-w:220px;--sec-pad:84px}}
@media (max-width:991px){
  :root{--nav-w:0px;--sec-pad:72px}
  body{padding-left:0}
  .side-nav{
    position:sticky;
    top:0;left:auto;bottom:auto;
    width:100%;
    padding:14px 16px;
    gap:0;
    border-right:0;
    border-bottom:1px solid var(--line);
  }
  .side-brand{display:flex;align-items:center;gap:12px}
  #navList.collapse:not(.show){display:none}
  #navList.collapse.show{display:block}
  .side-nav-list{overflow:visible;padding:14px 0 0;gap:4px;flex:none}
  .nav-link-x{padding:12px 12px}
  .nav-link-x.active::before{left:-16px}
  .side-foot{margin-top:14px}
  .burger{display:flex}
  .anchor-bar-wrap{position:relative;top:auto}
  .split{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px}
  .steps::before{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:36px 26px}
  .hero-actions .btn-x-primary,.hero-actions .btn-x-ghost{flex:1 1 220px}
}
@media (min-width:992px){
  #navList.collapse{display:flex !important;flex-direction:column;flex:1 1 auto;min-height:0}
}
@media (max-width:767px){
  :root{--sec-pad:56px}
  body{font-size:15.5px}
  .container-x{padding:0 16px}
  .page-hero{padding:40px 0 42px}
  .hero-lede{font-size:15.5px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cmp-hint{display:block}
  .faq-acc .accordion-button{font-size:16px;padding:18px 48px 18px 0}
  .faq-acc .accordion-body{padding:0 48px 22px 0}
  .foot-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn-x-primary,.hero-actions .btn-x-ghost{width:100%}
  .brand-text{font-size:14px}
}
@media (max-width:520px){
  .hero-title{font-size:26px}
  .card-x{padding:20px}
  .cta-band{padding:28px 20px}
  .step-num{width:44px;height:44px;font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#070D14;
  --bg-1:#0D1721;
  --bg-2:#13202C;
  --pri:#0FD9A6;
  --pri-soft:rgba(15,217,166,.12);
  --sec:#C7F24A;
  --acc:#FF6A3D;
  --txt:#E8F1F5;
  --txt-2:#9DAEBB;
  --txt-3:#66788A;
  --line:#1E2B38;
  --hi:rgba(255,255,255,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-in:10px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.5);
  --nav-w:272px;
  --pad-sec:96px;
}
@media (max-width:1399.98px){:root{--nav-w:240px;--pad-sec:88px}}
@media (max-width:1199.98px){:root{--nav-w:220px;--pad-sec:80px}}
@media (max-width:991.98px){:root{--nav-w:0px;--pad-sec:72px}}
@media (max-width:575.98px){:root{--pad-sec:48px}}

/* ============ Bootstrap 覆盖 ============ */
[data-bs-theme="dark"]{
  --bs-body-bg:#070D14;
  --bs-body-color:#E8F1F5;
  --bs-border-color:#1E2B38;
  --bs-primary:#0FD9A6;
  --bs-primary-rgb:15,217,166;
  --bs-link-color:#E8F1F5;
  --bs-link-hover-color:#0FD9A6;
  --bs-secondary-color:#9DAEBB;
  --bs-emphasis-color:#E8F1F5;
  --bs-card-bg:#0D1721;
  --bs-card-border-color:#1E2B38;
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:#1E2B38;
  --bs-accordion-btn-color:#E8F1F5;
  --bs-accordion-active-color:#0FD9A6;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-body-padding-x:0;
}
.btn-primary{
  --bs-btn-bg:#0FD9A6;--bs-btn-border-color:#0FD9A6;
  --bs-btn-hover-bg:#0FD9A6;--bs-btn-hover-border-color:#0FD9A6;
  --bs-btn-color:#04211A;--bs-btn-hover-color:#04211A;
  --bs-btn-active-bg:#0FD9A6;--bs-btn-active-border-color:#0FD9A6;
  border-radius:var(--r-btn);
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:32px}
body{
  margin:0;
  background-color:var(--bg-0);
  color:var(--txt);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 420px at 6% -10%, rgba(15,217,166,.10), transparent 62%),
    radial-gradient(760px 380px at 98% 2%, rgba(199,242,74,.055), transparent 60%);
  background-attachment:fixed;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%, #000 0%, transparent 76%);
  mask-image:radial-gradient(circle at 50% 18%, #000 0%, transparent 76%);
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--pri)}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0}
.num{font-family:"Barlow Condensed","Rajdhani","DIN Alternate","Arial Narrow",system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ============ 布局骨架 ============ */
.page-shell{margin-left:var(--nav-w);position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}
main{flex:1 1 auto}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:var(--pad-sec) 0}
.sec-head{max-width:780px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.12em;color:var(--sec);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--sec)}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:14px}
.sec-head p{color:var(--txt-2);font-size:15.5px}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);z-index:1040;
  background:rgba(13,23,33,.84);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-right:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06), var(--sh-1);
}
.side-nav-inner{height:100%;display:flex;flex-direction:column;gap:22px;padding:24px 18px;overflow-y:auto}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(145deg, rgba(15,217,166,.24), rgba(19,32,44,.92));
  border:1px solid rgba(15,217,166,.35);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.04), 0 0 18px rgba(15,217,166,.25);
}
.brand-mark svg{width:20px;height:20px;stroke:var(--pri);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:600;line-height:1.3;color:var(--txt)}
.brand-text small{font-size:11px;font-weight:400;color:var(--txt-3);letter-spacing:.08em;margin-top:3px}

.side-nav-list{display:flex;flex-direction:column;gap:4px}
.side-nav-list .nav-link-x{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px 11px 15px;border-radius:10px;
  font-size:14.5px;color:var(--txt-2);border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.side-nav-list .nav-link-x svg{
  width:20px;height:20px;flex:0 0 20px;stroke:currentColor;stroke-width:1.6;fill:none;
  stroke-linecap:round;stroke-linejoin:round;
}
.side-nav-list .nav-link-x:hover{background:rgba(255,255,255,.04);color:var(--txt);border-color:var(--hi)}
.side-nav-list .nav-link-x.active{
  color:var(--txt);
  background:linear-gradient(90deg, rgba(15,217,166,.18), rgba(15,217,166,.02));
  border-color:rgba(15,217,166,.30);
  box-shadow:0 0 18px rgba(15,217,166,.14);
}
.side-nav-list .nav-link-x.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:2px;background:var(--pri);box-shadow:0 0 10px var(--pri);
}
.side-nav-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.side-contact{font-size:12.5px;line-height:1.75;color:var(--txt-3);margin:0}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn-main{
  border:1px solid var(--pri);background:var(--pri);color:#04211A;font-weight:600;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18), 0 0 22px rgba(15,217,166,.35), 0 6px 18px rgba(0,0,0,.35);
}
.btn-main:hover{transform:translateY(-2px);color:#04211A;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25), 0 0 32px rgba(15,217,166,.55), 0 10px 26px rgba(0,0,0,.45)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{border:1px solid var(--line);background:transparent;color:var(--txt);font-weight:500}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(15,217,166,.08);border-color:rgba(15,217,166,.5);color:var(--pri)}
.w-100{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.link-x{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--pri);position:relative;padding-bottom:2px}
.link-x::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--pri);transition:width .28s ease}
.link-x:hover::after{width:100%}

/* ============ 页头 ============ */
.page-hero{
  position:relative;padding:64px 0 52px;border-bottom:1px solid var(--line);overflow:hidden;
  background-image:
    linear-gradient(180deg, rgba(7,13,20,.74), rgba(7,13,20,.95)),
    url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle, rgba(15,217,166,.20), transparent 68%);pointer-events:none;
}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--txt-3);margin-bottom:18px}
.crumbs a{color:var(--txt-2)}
.crumbs em{font-style:normal;color:var(--sec)}
.page-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;max-width:900px;margin-bottom:18px}
.page-hero .lead{max-width:760px;color:var(--txt-2);font-size:16.5px;margin:0}
.tag-line{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{display:inline-flex;align-items:center;font-size:12.5px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(19,32,44,.7);color:var(--txt-2)}
.tag.bright{border-color:rgba(199,242,74,.4);color:var(--sec);background:rgba(199,242,74,.08)}
.anchor-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.anchor-tabs a{font-size:13.5px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(13,23,33,.75);color:var(--txt-2)}
.anchor-tabs a:hover{border-color:rgba(15,217,166,.5);color:var(--pri);background:rgba(15,217,166,.08)}

/* ============ 卡片 ============ */
.card-x{
  position:relative;display:flex;flex-direction:column;padding:24px;overflow:hidden;
  background:linear-gradient(160deg, rgba(19,32,44,.86), rgba(13,23,33,.92));
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.card-x::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent)}
.card-x:hover{transform:translateY(-4px);border-color:rgba(15,217,166,.55);box-shadow:var(--sh-2)}
.card-x h3{font-size:18px;margin-bottom:10px}
.card-x p{font-size:14.5px;color:var(--txt-2);line-height:1.75}
.card-x .thumb{margin:-24px -24px 18px;border-radius:0;overflow:hidden;border-bottom:1px solid var(--line)}
.card-x .thumb img{width:100%;height:152px;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card-x:hover .thumb img{transform:scale(1.03)}
.ico-badge{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--pri-soft);border:1px solid rgba(15,217,166,.25)}
.ico-badge svg{width:20px;height:20px;stroke:var(--pri);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ============ 场景卡网格 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media (max-width:1199.98px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575.98px){.scene-grid{grid-template-columns:1fr}}

/* ============ 时间轴 ============ */
.tl-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:56px;align-items:start}
@media (max-width:991.98px){.tl-wrap{grid-template-columns:1fr;gap:36px}}
.timeline{position:relative;list-style:none;padding:0 0 0 34px;margin:0}
.timeline::before{content:"";position:absolute;left:10px;top:10px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--pri),rgba(199,242,74,.45),transparent)}
.timeline li{position:relative;padding-bottom:30px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-33px;top:7px;width:16px;height:16px;border-radius:999px;
  background:var(--bg-1);border:2px solid var(--pri);box-shadow:0 0 12px rgba(15,217,166,.55)}
.timeline .step-no{font-size:12px;letter-spacing:.12em;color:var(--sec);display:block;margin-bottom:6px}
.timeline h3{font-size:17px;margin-bottom:8px}
.timeline p{font-size:14.5px;color:var(--txt-2);margin:0}
.side-note{
  padding:26px;border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(155deg, rgba(19,32,44,.9), rgba(13,23,33,.92));box-shadow:var(--sh-1);
}
.side-note h3{font-size:17px;margin-bottom:16px}
.check-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--txt-2);line-height:1.7}
.check-list svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;stroke:var(--pri);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.side-note .thumb{margin-top:22px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.side-note .thumb img{width:100%;height:170px;object-fit:cover;border-radius:0}

/* ============ 数据对照表 ============ */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-1);box-shadow:var(--sh-1)}
.cmp-table{width:100%;min-width:640px;border-collapse:collapse;font-size:14.5px}
.cmp-table thead th{
  background:var(--bg-2);color:var(--txt);font-weight:600;font-size:14px;
  padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.cmp-table tbody th{
  text-align:left;font-weight:500;color:var(--txt-2);padding:15px 20px;
  border-bottom:1px solid var(--line);white-space:nowrap;background:rgba(19,32,44,.4);
}
.cmp-table tbody td{padding:15px 20px;border-bottom:1px solid var(--line);color:var(--txt)}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr:hover td{background:rgba(15,217,166,.05)}
.cmp-table td .ok{display:inline-flex;align-items:center;gap:7px;color:var(--pri)}
.cmp-table td .ok::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--pri);box-shadow:0 0 8px var(--pri)}
.table-hint{font-size:13px;color:var(--txt-3);margin-top:14px}

/* ============ 评分条 ============ */
.meter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 40px;margin-top:34px}
@media (max-width:767.98px){.meter-grid{grid-template-columns:1fr}}
.meter-row{display:flex;align-items:center;gap:14px}
.meter-label{flex:0 0 116px;font-size:14px;color:var(--txt-2)}
.meter{flex:1 1 auto;height:8px;border-radius:999px;background:var(--bg-2);overflow:hidden;border:1px solid var(--line)}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg, rgba(15,217,166,.85), var(--sec));box-shadow:0 0 12px rgba(15,217,166,.5)}
.meter-val{flex:0 0 42px;text-align:right;font-size:18px;color:var(--sec)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:56px;align-items:start}
@media (max-width:991.98px){.faq-wrap{grid-template-columns:1fr;gap:32px}}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-item:first-child{border-top:1px solid var(--line)}
.accordion-button{
  background:transparent;color:var(--txt);font-size:16.5px;font-weight:600;line-height:1.6;
  padding:22px 44px 22px 0;box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--pri);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{
  content:"";flex:none;width:16px;height:16px;margin-left:0;
  background-image:
    linear-gradient(var(--txt-2),var(--txt-2)),
    linear-gradient(var(--txt-2),var(--txt-2));
  background-size:16px 2px,2px 16px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background-image:
    linear-gradient(var(--pri),var(--pri)),
    linear-gradient(var(--pri),var(--pri));
}
.accordion-body{padding:0 0 24px;color:var(--txt-2);font-size:14.8px;line-height:1.8}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-card);
  padding:52px 44px;box-shadow:var(--sh-1);
  background-image:
    linear-gradient(120deg, rgba(7,13,20,.90), rgba(13,23,33,.86)),
    url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
}
.cta-band::after{content:"";position:absolute;left:-80px;bottom:-120px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle, rgba(15,217,166,.22), transparent 70%);pointer-events:none}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;position:relative;z-index:1}
.cta-band p{color:var(--txt-2);max-width:640px;position:relative;z-index:1}
.cta-band .btn-row{position:relative;z-index:1}
@media (max-width:575.98px){.cta-band{padding:36px 22px}.cta-band .btn-row .btn-main,.cta-band .btn-row .btn-ghost{width:100%}}

/* ============ 页脚 ============ */
.site-foot{border-top:1px solid var(--line);background:var(--bg-1);padding:64px 0 0;margin-top:auto}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
@media (max-width:991.98px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575.98px){.foot-grid{grid-template-columns:1fr;gap:28px}}
.foot-brand p{color:var(--txt-2);font-size:14px;margin-top:16px;max-width:340px}
.foot-col h4{font-size:15px;margin-bottom:16px;color:var(--txt)}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-col a,.foot-col span{font-size:14px;color:var(--txt-2)}
.foot-col a:hover{color:var(--pri)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  padding:20px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--txt-3)}

/* ============ 移动端导航 ============ */
.mobile-bar{display:none}
.drawer,.drawer-mask{display:none}
@media (max-width:991.98px){
  .side-nav{display:none}
  .page-shell{margin-left:0}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:sticky;top:0;z-index:1050;padding:12px 16px;
    background:rgba(13,23,33,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .mobile-bar .brand-text{font-size:14px}
  .mobile-bar .brand-mark{width:34px;height:34px;flex:0 0 34px}
  .nav-toggle{
    display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:var(--r-btn);
    background:transparent;border:1px solid var(--line);color:var(--txt);font-size:14px;cursor:pointer;
  }
  .nav-toggle:hover{border-color:rgba(15,217,166,.5);color:var(--pri)}
  .drawer{
    display:flex;flex-direction:column;gap:20px;
    position:fixed;top:0;left:0;bottom:0;width:min(300px,84vw);z-index:1060;
    padding:24px 18px;overflow-y:auto;background:var(--bg-1);border-right:1px solid var(--line);
    transform:translateX(-102%);visibility:hidden;transition:transform .3s ease,visibility .3s ease;
  }
  .drawer.open{transform:translateX(0);visibility:visible}
  .drawer-mask{display:block;position:fixed;inset:0;z-index:1055;background:rgba(4,8,12,.62);
    opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;border:0}
  .drawer-mask.open{opacity:1;visibility:visible}
  .drawer .side-nav-list .nav-link-x{font-size:15px;padding:12px 12px 12px 15px}
}
@media (min-width:992px){.drawer,.drawer-mask{display:none!important}}

/* ============ 细节响应 ============ */
@media (max-width:767.98px){
  .page-hero{padding:44px 0 40px}
  .container-x{padding:0 16px}
  .timeline{padding-left:28px}
  .timeline li::before{left:-28px}
  .timeline::before{left:8px}
  .btn-row .btn-main,.btn-row .btn-ghost{width:100%}
}