/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --c-bg:#0D0E12;
  --c-bg-2:#14161C;
  --c-bg-3:#1B1E26;
  --c-primary:#B6F32C;
  --c-primary-deep:#8FD400;
  --c-accent:#7C5CFF;
  --c-accent-2:#FF7A45;
  --c-light:#F6F7F4;
  --c-ink:#15171D;
  --c-ink-2:#5C6270;
  --c-text:#F4F5F7;
  --c-text-2:#A6ADBB;
  --c-line:rgba(255,255,255,.10);
  --c-line-ink:rgba(21,23,29,.10);
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sp-section:72px;
  --shadow-dark:0 0 0 1px rgba(182,243,44,.14), 0 18px 40px rgba(0,0,0,.35);
  --shadow-light:0 6px 24px rgba(21,23,29,.08);
  --z-nav:900;
  --z-mobile:1000;
  --z-float:950;
  --z-top:940;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-num:"DIN Alternate","Barlow","SFMono-Regular",Consolas,monospace;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px;}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:16px;line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  letter-spacing:.02em;
  word-spacing:.05em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--c-text);}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25;font-weight:800;}
h2{font-size:clamp(22px,2.8vw,32px);line-height:1.3;}
h3{font-size:19px;line-height:1.45;font-weight:600;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}

/* ================= 布局容器 ================= */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:var(--sp-section) 0;position:relative;}
.section--alt{background:var(--c-bg-2);}
.section--light{background:var(--c-light);color:var(--c-ink);}
.section--light h2,.section--light h3{color:var(--c-ink);}
.section--light p{color:var(--c-ink-2);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;font-family:var(--font-num);
  color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);display:block;}
.section-head p{max-width:620px;color:var(--c-text-2);font-size:15px;margin:8px 0 0;}
.section--light .section-head p{color:var(--c-ink-2);}
.link-more{
  font-size:14px;color:var(--c-primary);border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--c-primary);}

/* ================= 顶部导航 ================= */
.site-header{
  position:sticky;top:0;z-index:var(--z-nav);
  background:rgba(13,14,18,.94);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;
  min-height:74px;gap:16px;
}
.nav-side{display:flex;align-items:center;gap:6px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  display:inline-block;padding:10px 14px;font-size:15px;color:var(--c-text-2);
  border-radius:var(--r-btn);position:relative;white-space:nowrap;
}
.nav-link:hover{color:var(--c-text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-bg-3);
  white-space:nowrap;transition:border-color .22s ease,transform .22s ease;
}
.brand:hover{border-color:rgba(182,243,44,.55);transform:translateY(-1px);}
.brand-mark{
  width:20px;height:20px;flex:0 0 20px;border-radius:6px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary) 48%,var(--c-accent) 52%,var(--c-accent) 100%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;background:var(--c-bg-3);border-radius:3px;
}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--c-text);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
  display:none;flex-direction:column;background:var(--c-bg-2);
  border-top:1px solid var(--c-line);z-index:var(--z-mobile);
}
.mobile-nav.is-open{display:flex;}
.mobile-link{
  display:flex;align-items:center;min-height:48px;padding:0 20px;font-size:15px;
  color:var(--c-text-2);border-bottom:1px solid var(--c-line);
}
.mobile-link:hover,.mobile-link.is-active{color:var(--c-primary);background:rgba(182,243,44,.05);}

/* ================= 锚点条 ================= */
.anchor-bar{
  position:sticky;top:74px;z-index:calc(var(--z-nav) - 1);
  background:var(--c-bg-2);border-bottom:1px solid var(--c-line);
}
.anchor-scroll{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:0 0 auto;padding:13px 12px;font-size:13.5px;color:var(--c-text-2);
  border-bottom:2px solid transparent;white-space:nowrap;
}
.anchor-scroll a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary);}

/* ================= Hero ================= */
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 68px;
  background-image:linear-gradient(100deg,rgba(13,14,18,.90) 0%,rgba(13,14,18,.66) 52%,rgba(13,14,18,.88) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.hero::after{
  content:"";position:absolute;top:0;right:0;width:46%;height:100%;
  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:24px 24px;pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(182,243,44,.13);color:var(--c-primary);font-size:12.5px;font-weight:600;
  border:1px solid rgba(182,243,44,.28);margin-bottom:20px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.hero h1{color:#fff;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{font-size:17px;line-height:1.85;color:#D6D9E0;max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--c-primary);color:#14161C;box-shadow:0 8px 22px rgba(182,243,44,.22);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-2px);box-shadow:0 12px 28px rgba(182,243,44,.3);}
.btn-ghost{background:transparent;color:var(--c-text);border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn-dark{background:#15171D;color:#F6F7F4;}
.btn-dark:hover{background:#000;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.hero-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
.metric{background:rgba(20,22,28,.86);padding:18px 16px;}
.metric-num{font-family:var(--font-num);font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--c-primary);letter-spacing:.02em;}
.metric-label{font-size:13px;color:var(--c-text-2);margin-top:4px;}
.hero-visual{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-visual-tag{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(13,14,18,.86);border:1px solid rgba(182,243,44,.35);
  font-size:12.5px;color:var(--c-primary);font-weight:600;
}

/* ================= 卖点 ================= */
.feature-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;}
.feature-card{
  background:var(--c-bg-3);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;position:relative;overflow:hidden;
  transition:border-color .22s ease,transform .22s ease;
}
.feature-card:hover{border-color:rgba(182,243,44,.5);transform:translateY(-3px);}
.feature-card--lead{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;}
.feature-card--lead::after{
  content:"";position:absolute;top:0;right:0;width:74px;height:74px;
  background:linear-gradient(225deg,rgba(182,243,44,.16),transparent 70%);
  clip-path:polygon(100% 0,100% 100%,0 0);
}
.feature-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.32);
  font-family:var(--font-num);font-size:16px;font-weight:700;color:#B9A8FF;margin-bottom:18px;
}
.feature-card--lead .feature-icon{background:rgba(182,243,44,.14);border-color:rgba(182,243,44,.32);color:var(--c-primary);}
.feature-card h3{margin-bottom:10px;}
.feature-card p{color:var(--c-text-2);font-size:15px;}
.feature-lead-img{
  margin-top:24px;border-radius:12px;overflow:hidden;border:1px solid var(--c-line);
}
.feature-lead-img img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.feature-card--small{display:flex;gap:18px;align-items:flex-start;}
.feature-card--small .feature-icon{margin-bottom:0;flex:0 0 44px;}
.feature-card--small h3{font-size:17px;}
.feature-card--small p{font-size:14.5px;}

/* ================= 演示 ================= */
.demo-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:44px;align-items:center;}
.step-list{display:flex;flex-direction:column;gap:6px;}
.step-item{
  display:flex;gap:18px;padding:20px 20px 20px 0;border-radius:var(--r-card);
  border-bottom:1px solid var(--c-line);transition:background-color .22s ease,padding-left .22s ease;
}
.step-item:last-child{border-bottom:0;}
.step-item:hover{background:rgba(255,255,255,.03);padding-left:16px;}
.step-num{
  font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--c-primary);
  flex:0 0 46px;line-height:1.5;
}
.step-body h3{font-size:17px;margin-bottom:6px;}
.step-body p{font-size:14.5px;color:var(--c-text-2);}
.demo-visual{position:relative;}
.demo-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--c-line);}
.demo-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.demo-tabs span{
  padding:6px 14px;border-radius:var(--r-pill);font-size:12.5px;
  background:rgba(124,92,255,.13);color:#B9A8FF;border:1px solid rgba(124,92,255,.26);
}
.demo-tabs span.is-on{background:rgba(182,243,44,.14);color:var(--c-primary);border-color:rgba(182,243,44,.3);}
.demo-note{
  margin-top:18px;padding:14px 18px;border-radius:12px;
  background:var(--c-bg-3);border:1px solid var(--c-line);
  font-size:14px;color:var(--c-text-2);
}

/* ================= 证据 ================= */
.proof-bar{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px;
}
.proof-stat{
  background:var(--c-bg-3);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;
}
.proof-stat .num{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2;}
.proof-stat .txt{font-size:14px;color:var(--c-text-2);margin-top:6px;}
.proof-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.proof-card{
  background:var(--c-bg-3);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:16px;
}
.proof-card:nth-child(1){transform:translateY(0);}
.proof-card:nth-child(2){transform:translateY(-8px);}
.proof-card:nth-child(3){transform:translateY(0);}
.proof-card:hover{border-color:rgba(182,243,44,.45);}
.proof-quote{font-size:15px;color:var(--c-text);line-height:1.8;}
.proof-person{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:14px;
  background:rgba(255,122,69,.16);color:var(--c-accent-2);border:1px solid rgba(255,122,69,.3);
}
.person-name{font-size:14px;color:var(--c-text);}
.person-role{font-size:12.5px;color:var(--c-text-2);}

/* ================= 进入方式对照 ================= */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan-card{
  background:var(--c-light);color:var(--c-ink);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--shadow-light);position:relative;
  border:1px solid var(--c-line-ink);
}
.plan-card h3{color:var(--c-ink);font-size:20px;margin-bottom:6px;}
.plan-code{font-family:var(--font-num);font-size:13px;color:var(--c-ink-2);letter-spacing:.12em;margin-bottom:16px;}
.plan-num{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--c-ink);line-height:1;margin-bottom:6px;}
.plan-desc{font-size:14.5px;color:var(--c-ink-2);margin-bottom:20px;}
.plan-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;}
.plan-list li{font-size:14px;color:var(--c-ink-2);display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.plan-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary-deep);
  flex:0 0 6px;margin-top:9px;
}
.plan-card--featured{
  background:var(--c-bg-3);color:var(--c-text);border:1px solid rgba(182,243,44,.4);
  transform:translateY(-12px);box-shadow:0 24px 56px rgba(0,0,0,.5);
}
.plan-card--featured h3{color:#fff;}
.plan-card--featured .plan-num{color:var(--c-primary);}
.plan-card--featured .plan-desc{color:var(--c-text-2);}
.plan-card--featured .plan-list li{color:var(--c-text-2);}
.plan-card--featured .plan-code{color:var(--c-text-2);}
.plan-flag{
  position:absolute;top:-12px;left:26px;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#14161C;font-size:12px;font-weight:700;
}
.plan-card .btn{width:100%;}
.plan-card--featured .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3);}
.plan-card--featured .btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ================= 最新信息 ================= */
.news-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;}
.news-lead{
  background:var(--c-bg-3);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .22s ease,transform .22s ease;
}
.news-lead:hover{border-color:rgba(182,243,44,.5);transform:translateY(-3px);}
.news-lead-img{overflow:hidden;}
.news-lead-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.news-lead:hover .news-lead-img img{transform:scale(1.03);}
.news-lead-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-lead-body h3{font-size:19px;}
.thumb-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-lead-body p{
  font-size:14.5px;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--c-text-2);font-family:var(--font-num);}
.news-side{display:flex;flex-direction:column;gap:16px;}
.news-mini{
  display:grid;grid-template-columns:132px 1fr;gap:16px;
  background:var(--c-bg-3);border:1px solid var(--c-line);border-radius:14px;
  padding:14px;transition:border-color .22s ease,transform .22s ease;align-items:center;
}
.news-mini:hover{border-color:rgba(182,243,44,.5);transform:translateX(4px);}
.news-mini-img{border-radius:10px;overflow:hidden;}
.news-mini-img img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-mini h4{font-size:15px;line-height:1.6;margin-bottom:8px;font-weight:600;}
.news-mini .news-meta{font-size:12px;}
.badge{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.6;
  background:rgba(255,122,69,.14);color:var(--c-accent-2);border:1px solid rgba(255,122,69,.24);
  white-space:nowrap;
}
.badge--accent{background:rgba(124,92,255,.14);color:#B9A8FF;border-color:rgba(124,92,255,.26);}
.empty-state{
  grid-column:1 / -1;padding:56px 24px;text-align:center;
  background:var(--c-bg-3);border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state .icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(182,243,44,.1);color:var(--c-primary);font-family:var(--font-num);font-size:20px;
}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:12px;}

/* ================= FAQ ================= */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--c-bg-3);border:1px solid var(--c-line);border-radius:14px;
  overflow:hidden;transition:border-color .22s ease;
}
.faq-item[open]{border-color:rgba(182,243,44,.42);border-left:3px solid var(--c-primary);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;gap:16px;font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .idx{font-family:var(--font-num);font-size:15px;color:var(--c-accent-2);flex:0 0 30px;}
.faq-item summary .chev{
  margin-left:auto;width:20px;height:20px;position:relative;flex:0 0 20px;
}
.faq-item summary .chev::before,.faq-item summary .chev::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .22s ease,opacity .22s ease;
}
.faq-item summary .chev::before{width:12px;height:2px;}
.faq-item summary .chev::after{width:2px;height:12px;}
.faq-item[open] summary .chev::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-body{padding:0 24px 22px 70px;color:var(--c-text-2);font-size:15px;background:rgba(255,255,255,.02);}
.faq-body p{margin-bottom:.9em;}

/* ================= 底部 CTA ================= */
.cta-band{
  padding:66px 0;
  background-image:linear-gradient(100deg,rgba(13,14,18,.92),rgba(13,14,18,.72)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner h2{max-width:620px;margin-bottom:10px;}
.cta-inner p{color:var(--c-text-2);font-size:15px;max-width:620px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ================= 页脚 ================= */
.site-footer{background:var(--c-bg-2);border-top:1px solid var(--c-line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:15px;font-weight:700;}
.footer-col h4{font-size:14px;color:var(--c-text);margin-bottom:16px;letter-spacing:.06em;}
.footer-col p{font-size:14px;color:var(--c-text-2);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--c-text-2);}
.footer-links a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--c-text-2);
}

/* ================= 浮动 CTA / 返回顶部 ================= */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:var(--z-float);
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#14161C;font-weight:700;font-size:15px;
  box-shadow:0 14px 34px rgba(182,243,44,.28);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background-color .22s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-primary-deep);transform:translateY(-2px);}
.to-top{
  position:fixed;right:24px;bottom:92px;z-index:var(--z-top);
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--c-bg-3);border:1px solid var(--c-line);color:var(--c-text-2);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease,border-color .22s ease,color .22s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;}
.to-top:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ================= 响应式 ================= */
@media (max-width:1199px){
  .hero-grid{gap:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-col--wide{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{justify-content:space-between;min-height:66px;}
  .anchor-bar{top:66px;}
  html{scroll-padding-top:118px;}
  .hero{padding:70px 0 56px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero::after{width:100%;opacity:.5;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-card--lead{grid-row:auto;}
  .demo-grid{grid-template-columns:1fr;gap:30px;}
  .proof-bar{grid-template-columns:repeat(3,1fr);gap:16px;}
  .proof-cards{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .plan-card--featured{transform:none;}
  .news-grid{grid-template-columns:1fr;}
  .news-mini{grid-template-columns:120px 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  :root{--sp-section:48px;}
  .brand{padding:7px 12px;}
  .brand-text{font-size:13.5px;}
  .hero{padding:56px 0 44px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{grid-template-columns:repeat(2,1fr);}
  .proof-bar{grid-template-columns:1fr;}
  .proof-cards{grid-template-columns:1fr;}
  .proof-card:nth-child(2){transform:none;}
  .news-mini{grid-template-columns:1fr;gap:12px;}
  .news-mini-img img{aspect-ratio:16/9;}
  .faq-item summary{padding:16px;font-size:15px;}
  .faq-body{padding:0 16px 18px 52px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-bottom:64px;}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;border-radius:0;height:56px;
    justify-content:center;transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .to-top{bottom:72px;right:16px;width:40px;height:40px;}
  .anchor-scroll{padding:0 16px;}
}

/* roulang page: article */
:root{
  --c-bg:#0D0E12;
  --c-bg-2:#14161C;
  --c-bg-3:#1B1E26;
  --c-primary:#B6F32C;
  --c-primary-deep:#8FD400;
  --c-accent:#7C5CFF;
  --c-accent-2:#FF7A45;
  --c-light:#F6F7F4;
  --c-ink:#15171D;
  --c-ink-2:#5C6270;
  --c-text:#F4F5F7;
  --c-text-2:#A6ADBB;
  --c-line:rgba(255,255,255,.10);
  --c-line-dark:rgba(21,23,29,.10);
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-card:0 6px 24px rgba(21,23,29,.08);
  --shadow-deep:0 14px 34px rgba(0,0,0,.42);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow","Helvetica Neue",ui-monospace,sans-serif;
  --z-nav:900;
  --z-menu:1000;
  --z-float:950;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.02em;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:72px 0;}
.section--tight{padding:48px 0;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:var(--z-nav);
  background:rgba(13,14,18,.94);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(10px);
}
.header-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.nav-side{display:flex;align-items:center;gap:4px;}
.nav-left{justify-self:start;}
.nav-right{justify-self:end;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 14px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-text);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--c-primary);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;padding:6px 4px;white-space:nowrap;
}
.brand-mark{
  position:relative;flex:0 0 auto;
  width:26px;height:26px;border-radius:8px;background:var(--c-primary);
  box-shadow:0 0 0 1px rgba(182,243,44,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;
  border:2px solid #0D0E12;border-radius:3px;transform:rotate(45deg);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.04em;color:var(--c-text);}
.menu-toggle{
  display:none;width:44px;height:40px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--c-line);border-radius:10px;
  background:rgba(255,255,255,.03);
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text);transition:transform .2s ease,opacity .2s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
  display:none;flex-direction:column;
  background:var(--c-bg-2);
  border-top:1px solid var(--c-line);
  padding:6px 20px 16px;
}
.mobile-nav.is-open{display:flex;}
.mobile-link{
  display:flex;align-items:center;height:48px;
  font-size:15px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);
}
.mobile-link:last-child{border-bottom:0;}
.mobile-link:hover,.mobile-link.is-active{color:var(--c-primary);}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:52px 0 48px;
  background-image:linear-gradient(rgba(13,14,18,.80),rgba(13,14,18,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.article-hero::before{
  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:52px 52px;
}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:13px;color:var(--c-text-2);margin-bottom:20px;
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:rgba(255,255,255,.28);}
.breadcrumb .current{color:var(--c-text);}
.article-title{
  max-width:920px;
  font-size:clamp(26px,3.9vw,42px);
  line-height:1.3;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--c-text);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;
  margin-top:22px;font-size:13px;color:var(--c-text-2);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:currentColor;opacity:.55;
}
.meta-time,.meta-cat{color:var(--c-accent-2);}
.meta-read{color:var(--c-text-2);}

/* ---------- 正文区 ---------- */
.article-main{background:var(--c-bg);padding:56px 0 24px;}
.article-wrap{max-width:820px;margin:0 auto;}
.article-body{
  background:var(--c-light);
  color:var(--c-ink);
  border-radius:var(--r-card);
  padding:46px 50px;
  box-shadow:var(--shadow-card);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.02em;
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.5vw,26px);
  line-height:1.42;font-weight:700;color:var(--c-ink);
  margin:38px 0 16px;padding-left:15px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;
  width:4px;border-radius:3px;background:var(--c-primary-deep);
}
.article-body h3{
  font-size:19px;line-height:1.5;font-weight:600;color:var(--c-ink);
  margin:28px 0 12px;
}
.article-body h4{
  font-size:17px;font-weight:600;color:var(--c-ink);margin:22px 0 10px;
}
.article-body p{margin:0 0 1.15em;color:#262A33;}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.55em;color:#262A33;}
.article-body ul li::marker{color:var(--c-accent);}
.article-body ol li::marker{color:var(--c-accent);font-weight:600;}
.article-body a{
  color:#456D00;
  border-bottom:1px solid rgba(69,109,0,.35);
}
.article-body a:hover{color:#2F4C00;border-bottom-color:#2F4C00;}
.article-body strong{font-weight:700;color:var(--c-ink);}
.article-body blockquote{
  margin:22px 0;
  padding:16px 22px;
  background:rgba(182,243,44,.20);
  border-left:4px solid var(--c-primary-deep);
  border-radius:0 12px 12px 0;
  color:#3C434F;
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:auto;max-width:100%;height:auto;
  margin:24px auto;border-radius:12px;
}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{
  margin-top:10px;text-align:center;
  font-size:13px;color:var(--c-ink-2);
}
.article-body table{
  display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;
  margin:22px 0;font-size:15px;min-width:100%;
}
.article-body thead{background:var(--c-bg-3);color:var(--c-text);}
.article-body th,.article-body td{
  padding:11px 14px;text-align:left;
  border:1px solid var(--c-line-dark);white-space:nowrap;
}
.article-body tbody tr:nth-child(even){background:rgba(21,23,29,.035);}
.article-body hr{border:0;border-top:1px solid var(--c-line-dark);margin:30px 0;}
.article-body code{
  font-family:var(--font-num);
  background:rgba(124,92,255,.12);color:#4B34B8;
  padding:2px 7px;border-radius:6px;font-size:15px;
}
.article-empty{
  background:var(--c-bg-3);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:58px 32px;
  text-align:center;
  box-shadow:0 0 0 1px rgba(182,243,44,.10);
}
.article-empty .empty-icon{
  width:56px;height:56px;margin:0 auto 20px;border-radius:16px;
  background:rgba(182,243,44,.12);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);font-size:24px;font-weight:800;font-family:var(--font-num);
}
.article-empty h2{font-size:24px;font-weight:700;margin-bottom:12px;}
.article-empty p{color:var(--c-text-2);max-width:520px;margin:0 auto 26px;font-size:15px;}

/* ---------- 相关推荐 ---------- */
.related-section{background:var(--c-bg);padding:56px 0 72px;}
.section-head{max-width:640px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(22px,2.7vw,30px);line-height:1.35;font-weight:700;
  margin-bottom:10px;
}
.section-head p{color:var(--c-text-2);font-size:15px;}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.related-card{
  display:flex;flex-direction:column;
  background:var(--c-bg-3);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.related-card:hover{
  border-color:var(--c-primary);
  transform:translateY(-4px);
  box-shadow:var(--shadow-deep);
}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-2);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{
  display:flex;flex-direction:column;gap:10px;
  padding:20px 22px 24px;flex:1;
}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(124,92,255,.16);color:#AE9CFF;
}
.badge--amber{background:rgba(255,122,69,.16);color:#FFA37B;}
.related-body h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--c-text);
}
.related-body p{
  font-size:14px;line-height:1.75;color:var(--c-text-2);flex:1;
}
.card-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.related-card:hover .card-arrow{gap:10px;}

/* ---------- 返回按钮组 ---------- */
.back-actions{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:44px;padding-top:32px;
  border-top:1px solid var(--c-line);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--c-primary);color:#0D0E12;box-shadow:0 8px 22px rgba(182,243,44,.22);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-text);border-color:var(--c-line);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:var(--z-float);
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#0D0E12;
  font-size:15px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 12px 30px rgba(182,243,44,.26);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,background-color .22s ease,visibility .3s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-primary-deep);transform:translateY(-2px);}
.float-cta:focus-visible{outline:2px solid var(--c-text);outline-offset:3px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-bg-2);
  border-top:1px solid var(--c-line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:44px 32px;
  padding-bottom:48px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:16px;font-weight:800;}
.footer-col p{font-size:14px;line-height:1.85;color:var(--c-text-2);}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--c-text-2);}
.footer-links a:hover{color:var(--c-primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:20px 0 26px;
  border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-side{display:none;}
  .site-header .container{position:relative;}
  .header-grid{grid-template-columns:1fr auto 1fr;min-height:64px;}
  .brand{grid-column:2;justify-self:center;}
  .menu-toggle{
    display:inline-flex;
    position:absolute;right:20px;top:50%;transform:translateY(-50%);
  }
  .article-body{padding:38px 32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .article-hero{padding:38px 0 36px;}
  .article-title{font-size:clamp(23px,5.6vw,30px);}
  .article-main{padding:40px 0 16px;}
  .article-body{padding:28px 22px;font-size:16px;line-height:1.85;}
  .article-body h2{margin:30px 0 14px;}
  .related-grid{grid-template-columns:1fr;}
  .related-section{padding:40px 0 56px;}
  .back-actions .btn{width:100%;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:22px;height:22px;border-radius:7px;}
  .brand-mark::after{inset:6px;}
  .article-body{padding:24px 18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px;}
  .footer-col--wide{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    height:56px;justify-content:center;
    font-size:15px;transform:translateY(100%);
    box-shadow:0 -6px 22px rgba(0,0,0,.42);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta:hover{transform:translateY(0);}
  .site-footer{padding-bottom:64px;}
}
@media (max-width:420px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-col--wide{grid-column:auto;}
}

/* roulang page: category1 */
:root{
  --c-bg:#0D0E12;
  --c-bg-2:#14161C;
  --c-bg-3:#1B1E26;
  --c-primary:#B6F32C;
  --c-primary-deep:#8FD400;
  --c-accent:#7C5CFF;
  --c-accent-2:#FF7A45;
  --c-light:#F6F7F4;
  --c-ink:#15171D;
  --c-ink-2:#5C6270;
  --c-text:#F4F5F7;
  --c-text-2:#A6ADBB;
  --c-line:rgba(255,255,255,.10);
  --c-line-ink:rgba(21,23,29,.10);
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-ink:0 6px 24px rgba(21,23,29,.08);
  --shadow-deep:0 0 0 1px rgba(182,243,44,.14);
  --z-nav:900;
  --z-menu:1000;
  --z-float:950;
  --z-top:940;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:72px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.05em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--c-primary-deep);}
p{margin:0 0 1.15em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:var(--space-6) 0;position:relative;}
.section--alt{background:var(--c-bg-2);}
.section--light{background:var(--c-light);color:var(--c-ink);}
.section-head{max-width:760px;margin-bottom:var(--space-5);}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--c-accent);
  border:1px solid rgba(124,92,255,.32);
  background:rgba(124,92,255,.12);
  padding:5px 14px;
  border-radius:var(--r-pill);
  margin-bottom:18px;
}
.section-head h2{font-size:clamp(22px,2.8vw,32px);line-height:1.3;margin-bottom:14px;}
.section-head p{color:var(--c-text-2);font-size:16px;margin:0;}
.section--light .section-head p{color:var(--c-ink-2);}
.section--light .eyebrow{color:#5B41D8;border-color:rgba(91,65,216,.28);background:rgba(124,92,255,.12);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:var(--z-nav);
  background:rgba(13,14,18,.94);
  border-bottom:1px solid var(--c-line);
}
.nav-grid{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:72px;
  gap:16px;
}
.nav-side{display:flex;align-items:center;gap:26px;flex:1 1 0;}
.nav-right{justify-content:flex-end;}
.nav-link{
  color:var(--c-text-2);
  font-size:15px;
  padding:8px 2px 6px;
  border-bottom:2px solid transparent;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-text);}
.nav-link.is-active{color:var(--c-primary);border-bottom-color:var(--c-primary);}
.brand{display:flex;justify-content:center;flex:0 0 auto;}
.brand-link{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);}
.brand-link:hover{color:var(--c-text);}
.brand-mark{
  width:22px;height:22px;flex:0 0 22px;
  background:linear-gradient(135deg,var(--c-primary) 0 50%,var(--c-accent) 50% 100%);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
  border-radius:5px;
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.04em;
  white-space:nowrap;
}
.menu-toggle{
  display:none;
  align-items:center;
  gap:8px;
  background:transparent;
  border:1px solid var(--c-line);
  color:var(--c-text);
  border-radius:var(--r-btn);
  padding:9px 14px;
  font-size:14px;
}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.menu-toggle .bars{display:inline-flex;flex-direction:column;gap:3px;}
.menu-toggle .bars i{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;}
.mobile-menu{
  display:none;
  position:fixed;left:0;right:0;top:0;
  z-index:var(--z-menu);
  background:var(--c-bg-2);
  border-bottom:1px solid var(--c-line);
  padding:14px 0 20px;
  transform:translateY(-110%);
  transition:transform .28s ease;
}
.mobile-menu.is-open{transform:translateY(0);}
.mobile-menu .mm-head{display:flex;align-items:center;justify-content:space-between;padding:6px 0 14px;border-bottom:1px solid var(--c-line);}
.mobile-menu .mm-close{
  background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);
  border-radius:var(--r-btn);padding:6px 12px;font-size:13px;
}
.mobile-menu .mm-close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.mobile-menu a.mm-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;
  color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);
  font-size:15px;
}
.mobile-menu a.mm-link:hover,.mobile-menu a.mm-link.is-active{color:var(--c-primary);}
.mobile-menu a.mm-link::after{content:"›";color:var(--c-accent);font-size:18px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
  background-image:linear-gradient(90deg,rgba(13,14,18,.86) 0%,rgba(13,14,18,.72) 52%,rgba(13,14,18,.58) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center right;
}
.hero::after{
  content:"";
  position:absolute;top:0;right:0;bottom:0;width:24px;
  background-image:repeating-linear-gradient(to bottom,rgba(255,255,255,.10) 0 1px,transparent 1px 12px);
  opacity:.5;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:76px 0 68px;max-width:840px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-2);margin-bottom:22px;
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:rgba(255,255,255,.28);}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;
  font-weight:800;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{
  font-size:18px;
  color:var(--c-text-2);
  max-width:620px;
  margin-bottom:30px;
}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;
  padding:13px 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#131509;}
.btn-primary:hover{background:var(--c-primary-deep);color:#131509;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-text);border-color:var(--c-line);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  margin-top:46px;
  background:var(--c-line);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.stat{background:rgba(20,22,28,.78);padding:20px 22px;}
.stat b{display:block;font-family:var(--font-num);font-size:30px;line-height:1.1;color:var(--c-primary);font-weight:700;}
.stat span{display:block;font-size:13.5px;color:var(--c-text-2);margin-top:6px;}

/* ---------- 横向图文长行 ---------- */
.alt-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:var(--space-3);
  align-items:center;
  padding:34px 0;
  border-top:1px solid var(--c-line);
}
.alt-row:first-of-type{border-top:0;padding-top:0;}
.alt-row.is-reverse{grid-template-columns:7fr 5fr;}
.alt-row.is-reverse .alt-media{order:2;}
.alt-row.is-reverse .alt-body{order:1;}
.alt-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--shadow-deep);
}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.alt-body .alt-index{
  font-family:var(--font-num);
  display:inline-block;
  font-size:14px;
  letter-spacing:.18em;
  color:var(--c-accent-2);
  margin-bottom:10px;
}
.alt-body h2,.alt-body h3{
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.35;
  margin-bottom:14px;
}
.alt-body p{color:var(--c-text-2);font-size:16px;margin-bottom:1.05em;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;color:var(--c-primary);
  border-bottom:1px solid rgba(182,243,44,.35);
  padding-bottom:2px;
}
.text-link:hover{border-bottom-color:var(--c-primary-deep);}
.text-link::after{content:"→";font-family:var(--font-num);}

/* ---------- 判定线速查 ---------- */
.judge-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--space-3);
}
.judge-card{
  background:var(--c-bg-3);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:var(--space-3);
  box-shadow:var(--shadow-deep);
}
.judge-card .jc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.judge-card .jc-num{font-family:var(--font-num);font-size:26px;color:rgba(255,255,255,.22);}
.judge-card h3{font-size:19px;margin-bottom:10px;}
.judge-card p{color:var(--c-text-2);font-size:15px;margin-bottom:16px;}
.badge{
  display:inline-block;
  font-size:12.5px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:rgba(124,92,255,.12);
  color:#A895FF;
}
.badge--amber{background:rgba(255,122,69,.12);color:var(--c-accent-2);}
.badge--lime{background:rgba(182,243,44,.14);color:var(--c-primary);}
.judge-list li{
  display:flex;gap:10px;
  font-size:15px;color:var(--c-text-2);
  padding:9px 0;border-top:1px dashed var(--c-line);
}
.judge-list li:first-child{border-top:0;}
.judge-list li::before{content:"·";color:var(--c-primary);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--c-bg-3);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(182,243,44,.4);}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 22px;
  font-size:16.5px;font-weight:600;
  cursor:pointer;
  list-style:none;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  margin-left:auto;
  font-family:var(--font-num);
  color:var(--c-primary);
  font-size:20px;
  line-height:1.2;
}
.faq-item[open] summary::after{content:"–";}
.faq-item summary .faq-num{
  font-family:var(--font-num);
  color:var(--c-accent-2);
  font-size:14px;
  letter-spacing:.1em;
  padding-top:4px;
}
.faq-body{
  padding:0 22px 20px 62px;
  color:var(--c-text-2);
  font-size:15.5px;
  border-left:3px solid var(--c-primary);
  margin-left:22px;
  padding-left:24px;
}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:linear-gradient(120deg,#161A20 0%,#101216 60%,#14161C 100%);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:56px 0;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-inner p{color:var(--c-text-2);margin:0;max-width:560px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-2);border-top:1px solid var(--c-line);padding:56px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:var(--space-4);
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:16px;font-weight:800;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--c-text);}
.footer-col p{font-size:14px;color:var(--c-text-2);line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--c-text-2);}
.footer-links a:hover{color:var(--c-primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid var(--c-line);
  padding:20px 0 26px;
  font-size:13px;
  color:var(--c-text-2);
}

/* ---------- 浮动元素 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:var(--z-float);
  background:var(--c-primary);color:#131509;
  padding:13px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  box-shadow:0 10px 26px rgba(0,0,0,.4);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,background .2s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-primary-deep);color:#131509;}
.back-top{
  position:fixed;right:24px;bottom:88px;z-index:var(--z-top);
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--c-line);
  background:rgba(27,30,38,.92);
  color:var(--c-text-2);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  opacity:0;visibility:hidden;transition:opacity .3s ease,color .2s ease,border-color .2s ease;
}
.back-top.is-show{opacity:1;visibility:visible;}
.back-top:hover{color:var(--c-primary);border-color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-side{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand{justify-content:flex-start;flex:1 1 auto;}
  .nav-grid{justify-content:space-between;}
  .alt-row,.alt-row.is-reverse{grid-template-columns:1fr;gap:20px;}
  .alt-row.is-reverse .alt-media{order:0;}
  .alt-row.is-reverse .alt-body{order:1;}
  .judge-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .hero-inner{padding:54px 0 46px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .judge-grid{grid-template-columns:1fr;}
  .faq-body{padding-left:20px;margin-left:14px;}
  .cta-inner{padding:44px 0;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .btn{width:100%;}
  .btn-row{gap:10px;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;height:56px;
    display:flex;align-items:center;justify-content:center;
    transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0);}
  .back-top{display:none;}
  .site-footer{padding-bottom:64px;}
}

/* roulang page: category2 */
:root{
  --c-bg:#0D0E12;
  --c-bg-2:#14161C;
  --c-bg-3:#1B1E26;
  --c-primary:#B6F32C;
  --c-primary-deep:#8FD400;
  --c-accent:#7C5CFF;
  --c-accent-2:#FF7A45;
  --c-light:#F6F7F4;
  --c-ink:#15171D;
  --c-ink-2:#5C6270;
  --c-text:#F4F5F7;
  --c-text-2:#A6ADBB;
  --c-line:rgba(255,255,255,.10);
  --c-line-ink:rgba(21,23,29,.10);
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sp-xs:8px;
  --sp-sm:12px;
  --sp-md:20px;
  --sp-lg:32px;
  --sp-xl:48px;
  --sp-2xl:72px;
  --shadow-deep:0 0 0 1px rgba(182,243,44,.14);
  --shadow-light:0 6px 24px rgba(21,23,29,.08);
  --z-nav:900;
  --z-menu:1000;
  --z-float:950;
  --z-top:940;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.05em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--c-primary);}
button,input,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
table{border-collapse:collapse;border-spacing:0;width:100%;}
::selection{background:var(--c-primary);color:var(--c-ink);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

/* foundation 栅格微调 */
.grid-x{max-width:100%;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--c-primary);
  color:#10130A;
}
.btn-primary:hover,
.btn-primary:focus-visible{
  background:var(--c-primary-deep);
  color:#0B0D06;
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  color:var(--c-text);
  border-color:rgba(255,255,255,.24);
}
.btn-ghost:hover,
.btn-ghost:focus-visible{
  border-color:var(--c-primary);
  color:var(--c-primary);
  transform:translateY(-2px);
}
.btn:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:3px;
}
.btn:active{transform:translateY(0);}

/* 徽章与标签 */
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  line-height:1.6;
  letter-spacing:.04em;
}
.badge--violet{background:rgba(124,92,255,.14);color:#B6A6FF;}
.badge--orange{background:rgba(255,122,69,.14);color:#FFA57D;}
.badge--lime{background:rgba(182,243,44,.14);color:#CCF766;}
.badge--ink{background:rgba(124,92,255,.12);color:#5B41D6;}
.badge--ink-orange{background:rgba(255,122,69,.14);color:#C4531F;}

/* 徽标 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:.04em;
}
.brand-mark{
  width:22px;
  height:22px;
  flex:0 0 22px;
  border-radius:6px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-accent) 100%);
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:3px;
  background:var(--c-bg);
}
.brand-text{
  font-size:16.5px;
  color:var(--c-text);
  white-space:nowrap;
}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:var(--z-nav);
  background:rgba(13,14,18,.94);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:68px;
}
.nav-side{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 0;
}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:8px;
  transition:color .2s ease,background-color .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s ease;
}
.nav-link:hover{
  color:var(--c-text);
  background:rgba(255,255,255,.05);
}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);}
.nav-brand{flex:0 0 auto;}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);
  background:transparent;
  color:var(--c-text);
  font-size:14px;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.nav-toggle:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}
.nav-toggle .bar{
  display:inline-block;
  width:14px;
  height:2px;
  background:currentColor;
  position:relative;
}
.nav-toggle .bar::before,
.nav-toggle .bar::after{
  content:"";
  position:absolute;
  left:0;
  width:14px;
  height:2px;
  background:currentColor;
}
.nav-toggle .bar::before{top:-5px;}
.nav-toggle .bar::after{top:5px;}

.mobile-menu{
  position:fixed;
  left:0;
  right:0;
  top:68px;
  z-index:var(--z-menu);
  background:var(--c-bg-2);
  border-bottom:1px solid var(--c-line);
  padding:8px 0 12px;
  box-shadow:0 18px 40px rgba(0,0,0,.5);
}
.mobile-menu a{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 20px;
  font-size:15.5px;
  color:var(--c-text-2);
  border-left:3px solid transparent;
}
.mobile-menu a:hover{color:var(--c-text);background:rgba(255,255,255,.04);}
.mobile-menu a.is-active{
  color:var(--c-primary);
  border-left-color:var(--c-primary);
  background:rgba(182,243,44,.06);
}

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(13,14,18,.62) 0%,rgba(13,14,18,.88) 68%,var(--c-bg) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.98;
}
.hero-bg::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:24px;
  height:100%;
  background-image:repeating-linear-gradient(180deg,rgba(255,255,255,.06) 0 1px,transparent 1px 24px);
}
.hero-inner{
  position:relative;
  padding:72px 20px 56px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--c-primary);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
}
.eyebrow--ink{color:#5B41D6;}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:.03em;
  margin-bottom:18px;
  max-width:16em;
}
.hero-sub{
  font-size:clamp(16px,1.6vw,19px);
  line-height:1.85;
  color:var(--c-text-2);
  max-width:34em;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:28px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
}
.hero-points li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--c-text-2);
}
.hero-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--c-primary);
  transform:rotate(45deg);
}
.hero-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-bg-3);
  box-shadow:var(--shadow-deep);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-figure figcaption{
  padding:12px 18px;
  font-size:13px;
  color:var(--c-text-2);
  border-top:1px solid var(--c-line);
}
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid var(--c-line);
}
.stats li{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.stats strong{
  font-family:var(--font-num);
  font-size:clamp(24px,3vw,34px);
  line-height:1.1;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.02em;
}
.stats span{
  font-size:13.5px;
  color:var(--c-text-2);
}

/* 板块 */
.section{
  padding:var(--sp-2xl) 0;
  position:relative;
}
.section--alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section--light{background:var(--c-light);color:var(--c-ink);}
.section--light .eyebrow{color:#5B41D6;}
.section-head{
  max-width:760px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:clamp(22px,2.8vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.03em;
  margin-bottom:14px;
}
.section--light .section-head h2{color:var(--c-ink);}
.section-head p{
  font-size:16px;
  color:var(--c-text-2);
  line-height:1.9;
}
.section--light .section-head p{color:var(--c-ink-2);}

/* 对照表 */
.table-wrap{
  overflow-x:auto;
  border-radius:var(--r-card);
  box-shadow:var(--shadow-light);
  background:#FFFFFF;
  border:1px solid var(--c-line-ink);
  -webkit-overflow-scrolling:touch;
}
.compare-table{
  min-width:760px;
}
.compare-table thead th{
  background:var(--c-bg-3);
  color:var(--c-text);
  font-size:14px;
  font-weight:600;
  text-align:left;
  letter-spacing:.06em;
  padding:16px 20px;
  white-space:nowrap;
}
.compare-table thead th:first-child{border-top-left-radius:14px;}
.compare-table thead th:last-child{border-top-right-radius:14px;}
.compare-table tbody td{
  padding:16px 20px;
  font-size:14.5px;
  color:var(--c-ink);
  line-height:1.75;
  border-bottom:1px solid var(--c-line-ink);
  vertical-align:top;
}
.compare-table tbody tr:nth-child(even){background:rgba(21,23,29,.04);}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody tr:hover{background:rgba(182,243,44,.16);}
.compare-table .cell-strong{
  font-weight:600;
  color:var(--c-ink);
  white-space:nowrap;
}
.table-note{
  margin-top:16px;
  font-size:13.5px;
  color:var(--c-ink-2);
}

/* 卡片网格（两列） */
.tile-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.tile{
  position:relative;
  background:var(--c-bg-3);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px 24px 24px;
  box-shadow:var(--shadow-deep);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);
}
.tile:hover{
  transform:translateY(-4px);
  border-color:rgba(182,243,44,.55);
  box-shadow:0 0 0 1px rgba(182,243,44,.28),0 16px 34px rgba(0,0,0,.42);
}
.tile-num{
  display:inline-block;
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--c-accent-2);
  margin-bottom:12px;
}
.tile h3{
  font-size:19px;
  line-height:1.45;
  font-weight:600;
  margin-bottom:10px;
}
.tile p{
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-2);
  margin-bottom:18px;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

/* 检查清单图文 */
.media-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-bg-3);
}
.media-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.check-list{
  margin-top:24px;
  display:grid;
  gap:14px;
}
.check-list li{
  position:relative;
  padding-left:34px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--c-text-2);
}
.check-list li strong{
  display:block;
  color:var(--c-text);
  font-weight:600;
  font-size:16px;
  margin-bottom:4px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  width:18px;
  height:18px;
  border-radius:6px;
  background:rgba(182,243,44,.16);
  border:1px solid rgba(182,243,44,.5);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:6px;
  top:12px;
  width:6px;
  height:3px;
  border-left:2px solid var(--c-primary);
  border-bottom:2px solid var(--c-primary);
  transform:rotate(-45deg);
}

/* 提醒清单 */
.note-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  counter-reset:note;
}
.note-list li{
  background:#FFFFFF;
  border:1px solid var(--c-line-ink);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow-light);
  transition:transform .22s ease,box-shadow .22s ease;
}
.note-list li:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 30px rgba(21,23,29,.12);
}
.note-list li::before{
  counter-increment:note;
  content:"0" counter(note);
  display:block;
  font-family:var(--font-num);
  font-size:14px;
  font-weight:700;
  letter-spacing:.14em;
  color:#C4531F;
  margin-bottom:12px;
}
.note-list h3{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  color:var(--c-ink);
  margin-bottom:10px;
}
.note-list p{
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* CTA 通栏 */
.cta-band{
  padding:64px 0;
  background:
    linear-gradient(120deg,rgba(182,243,44,.10) 0%,rgba(124,92,255,.14) 100%),
    var(--c-bg-2);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.cta-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-inner h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  font-weight:700;
  margin-bottom:10px;
}
.cta-inner p{
  font-size:15.5px;
  color:var(--c-text-2);
  max-width:44em;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

/* 页脚 */
.site-footer{
  background:var(--c-bg-2);
  border-top:1px solid var(--c-line);
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-text{
  font-size:17px;
  font-weight:800;
  color:var(--c-text);
}
.footer-col p{
  font-size:14px;
  line-height:1.9;
  color:var(--c-text-2);
}
.footer-col h4{
  font-size:14.5px;
  font-weight:600;
  color:var(--c-text);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  font-size:14px;
  color:var(--c-text-2);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{
  color:var(--c-primary);
  padding-left:4px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:18px 0 22px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-2);
}

/* 浮动 CTA / 返回顶部 */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:var(--z-float);
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 22px;
  border-radius:var(--r-pill);
  background:var(--c-primary);
  color:#10130A;
  font-size:14.5px;
  font-weight:700;
  box-shadow:0 12px 28px rgba(0,0,0,.45);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background-color .2s ease;
}
.float-cta.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.float-cta:hover{
  background:var(--c-primary-deep);
  color:#0B0D06;
}
.float-cta:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}
.back-top{
  position:fixed;
  right:24px;
  bottom:82px;
  z-index:var(--z-top);
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(27,30,38,.9);
  color:var(--c-text);
  font-size:16px;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease,border-color .2s ease,color .2s ease;
}
.back-top.is-visible{opacity:1;visibility:visible;}
.back-top:hover{border-color:var(--c-primary);color:var(--c-primary);}
.back-top:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}

/* 响应式 */
@media screen and (max-width:1023px){
  .nav-side{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{justify-content:space-between;}
  .nav-brand{margin:0 auto;}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .tile-grid{grid-template-columns:1fr;}
  .note-list{grid-template-columns:1fr;}
}
@media screen and (max-width:767px){
  body{font-size:15.5px;}
  .hero-inner{padding:52px 16px 44px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .cta-band{padding:48px 0;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:639px){
  .stats{grid-template-columns:1fr 1fr;}
  .brand-text{font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .float-cta{
    right:0;
    left:0;
    bottom:0;
    border-radius:0;
    justify-content:center;
    height:56px;
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .back-top{right:16px;bottom:70px;}
  .site-footer{padding-bottom:56px;}
  .compare-table{min-width:640px;}
}

/* roulang page: category3 */
:root{
  --c-bg:#0D0E12;
  --c-bg-2:#14161C;
  --c-bg-3:#1B1E26;
  --c-primary:#B6F32C;
  --c-primary-deep:#8FD400;
  --c-accent:#7C5CFF;
  --c-accent-2:#FF7A45;
  --c-light:#F6F7F4;
  --c-ink:#15171D;
  --c-ink-2:#5C6270;
  --c-text:#F4F5F7;
  --c-text-2:#A6ADBB;
  --c-line:rgba(255,255,255,.10);
  --c-line-light:rgba(21,23,29,.10);
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --max:1200px;
  --sp-section:72px;
  --shadow-dark:0 0 0 1px rgba(182,243,44,.14);
  --shadow-light:0 6px 24px rgba(21,23,29,.08);
  --font-num:"DIN Alternate","Barlow","Helvetica Neue",sans-serif;
  --z-nav:900;
  --z-menu:1000;
  --z-fab:950;
  --z-top:940;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.86;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--c-primary);color:#0D0E12}

.container{max-width:var(--max);margin:0 auto;padding:0 20px;width:100%}
.section{padding:var(--sp-section) 0}
.section--bg2{background:var(--c-bg-2)}
.section--line{border-top:1px solid var(--c-line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--c-primary);
  margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);display:inline-block}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25;font-weight:800;letter-spacing:.01em}
h2{font-size:clamp(22px,2.8vw,32px);line-height:1.3;font-weight:700}
h3{font-size:19px;line-height:1.45;font-weight:600}
p{font-size:16.5px;line-height:1.88;color:var(--c-text-2)}
.lead{font-size:17.5px;color:var(--c-text-2);line-height:1.85}
.num{font-family:var(--font-num);font-weight:700;letter-spacing:.02em}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:var(--z-nav);
  background:rgba(13,14,18,.94);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(140%) blur(6px);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:center;
  gap:26px;min-height:74px;
}
.nav-side{display:flex;align-items:center;gap:24px;flex:1 1 0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;color:var(--c-text-2);
  padding:6px 2px;white-space:nowrap;
}
.nav-link:hover{color:#fff}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(140deg,var(--c-primary),var(--c-accent));
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:0 0 0 1px rgba(182,243,44,.35);
}
.brand-text{font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  display:none;position:fixed;left:0;right:0;top:74px;bottom:0;z-index:var(--z-menu);
  background:var(--c-bg-2);border-top:1px solid var(--c-line);
  padding:12px 20px 40px;overflow-y:auto;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;min-height:48px;font-size:16px;
  color:var(--c-text);border-bottom:1px solid var(--c-line);
}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:600}

/* ===== 锚点条 ===== */
.anchor-bar{
  position:sticky;top:74px;z-index:860;
  background:var(--c-bg-2);border-bottom:1px solid var(--c-line);
}
.anchor-scroll{
  display:flex;gap:26px;overflow-x:auto;padding:4px 0;
  scrollbar-width:none;
}
.anchor-scroll::-webkit-scrollbar{display:none}
.anchor-scroll a{
  font-size:14px;color:var(--c-text-2);white-space:nowrap;padding:14px 0;
  border-bottom:2px solid transparent;
}
.anchor-scroll a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary)}

/* ===== Hero ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 60px;
  background-image:linear-gradient(100deg,rgba(13,14,18,.86) 0%,rgba(13,14,18,.72) 55%,rgba(13,14,18,.58) 100%),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--c-line);
}
.page-hero::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:24px;
  background-image:repeating-linear-gradient(180deg,rgba(182,243,44,.28) 0 1px,transparent 1px 24px);
  opacity:.5;pointer-events:none;
}
.breadcrumb{font-size:13px;color:var(--c-text-2);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span{color:rgba(166,173,187,.6)}
.page-hero h1{max-width:20em}
.page-hero .lead{margin-top:16px;max-width:44em}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:44px;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:rgba(20,22,28,.72);overflow:hidden;
}
.hero-stat{padding:20px 22px;border-right:1px solid var(--c-line)}
.hero-stat:last-child{border-right:none}
.hero-stat b{display:block;font-family:var(--font-num);font-size:26px;color:var(--c-primary);line-height:1.2}
.hero-stat small{display:block;font-size:13px;color:var(--c-text-2);margin-top:6px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#0D0E12}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-2px);box-shadow:0 10px 26px rgba(182,243,44,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.link-arrow{color:var(--c-primary);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover::after{transform:translateX(4px)}

/* ===== 徽章 ===== */
.badge{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;line-height:1.6;font-weight:600;
}
.badge-accent{background:rgba(124,92,255,.16);color:#B7A6FF}
.badge-amber{background:rgba(255,122,69,.16);color:#FFA47A}
.badge-primary{background:rgba(182,243,44,.16);color:var(--c-primary)}

/* ===== 卡片 ===== */
.card{
  background:var(--c-bg-3);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-dark);transition:border-color .22s ease,transform .22s ease;
}
.card:hover{border-color:rgba(182,243,44,.45);transform:translateY(-3px)}
.card h3{color:#fff;margin-bottom:10px}
.card p{font-size:15.5px}
.card-step{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:rgba(182,243,44,.12);color:var(--c-primary);
  font-family:var(--font-num);font-size:15px;font-weight:700;margin-bottom:16px;
}

.intro-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:44px;align-items:center}
.intro-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-dark)}
.intro-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.judge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}

/* ===== 浅底区 ===== */
.light-zone{background:var(--c-light);color:var(--c-ink)}
.light-zone .section{padding:var(--sp-section) 0}
.light-zone h2,.light-zone h3{color:var(--c-ink)}
.light-zone p{color:var(--c-ink-2)}
.light-zone .eyebrow{color:#5B7A0A}
.light-zone .eyebrow::before{background:#5B7A0A}
.section-head{max-width:720px;margin-bottom:44px}
.section-head p{margin-top:14px}

/* 时间线 */
.timeline{position:relative;padding-left:60px}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,rgba(182,243,44,.18) 100%);
}
.timeline-item{
  position:relative;background:#fff;border:1px solid var(--c-line-light);
  border-radius:var(--r-card);padding:22px 26px;margin-bottom:20px;
  box-shadow:var(--shadow-light);transition:transform .2s ease,box-shadow .2s ease;
}
.timeline-item:hover{transform:translateX(4px)}
.timeline-item::before{
  content:attr(data-step);position:absolute;left:-60px;top:22px;
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--c-primary);
  color:var(--c-ink);font-family:var(--font-num);font-size:14px;font-weight:700;
  box-shadow:0 0 0 6px rgba(182,243,44,.14);
}
.timeline-item h3{margin-bottom:8px}
.timeline-item p{font-size:15.5px}
.timeline-item p + p{margin-top:8px}
.timeline-item .badge{margin-top:14px}

/* 现象对照 */
.match-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.match-row{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line-light);border-radius:14px;
  padding:20px 22px;box-shadow:var(--shadow-light);
  transition:border-color .2s ease,transform .2s ease;
}
.match-row:hover{border-color:#8FD400;transform:translateY(-2px)}
.match-row .m-idx{
  font-family:var(--font-num);font-size:14px;font-weight:700;color:#C4551F;
  background:rgba(255,122,69,.14);border-radius:8px;padding:3px 9px;flex:0 0 auto;margin-top:3px;
}
.match-row h3{font-size:16.5px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.match-row p{font-size:15px;margin:0}

/* FAQ */
.faq-list{list-style:none;margin:0;padding:0;background:transparent}
.faq-list .accordion-item{background:transparent;border:none;margin-bottom:14px}
.faq-list .accordion-title{
  display:flex;align-items:flex-start;gap:14px;position:relative;
  background:#fff;border:1px solid var(--c-line-light);border-radius:14px;
  padding:18px 60px 18px 22px;font-size:16.5px;font-weight:600;color:var(--c-ink);
  box-shadow:var(--shadow-light);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-list .accordion-title:hover{border-color:var(--c-primary)}
.faq-list .accordion-title::before{
  content:"+";position:absolute;right:22px;top:14px;
  width:auto;height:auto;border:none;margin:0;transform:none;
  font-size:22px;font-weight:400;color:#7E9A22;line-height:1.4;
}
.faq-list .accordion-item.is-active .accordion-title{
  border-radius:14px 14px 0 0;border-bottom-color:transparent;
  box-shadow:inset 3px 0 0 var(--c-primary),var(--shadow-light);
}
.faq-list .accordion-item.is-active .accordion-title::before{content:"–";color:#5B7A0A}
.faq-num{font-family:var(--font-num);font-weight:700;color:#8FA83C;flex:0 0 auto}
.faq-list .accordion-content{
  background:#EFF1EA;border:1px solid var(--c-line-light);border-top:none;
  border-radius:0 0 14px 14px;padding:18px 24px 22px;color:var(--c-ink-2);
}
.faq-list .accordion-content p{color:var(--c-ink-2);font-size:15.5px;margin:0}
.faq-list .accordion-content p + p{margin-top:8px}

/* ===== CTA ===== */
.cta-band{
  background:
    radial-gradient(120% 140% at 12% 10%,rgba(124,92,255,.18) 0%,rgba(13,14,18,0) 55%),
    linear-gradient(120deg,#14161C 0%,#0D0E12 100%);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:64px 0;
}
.cta-inner{display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
.cta-inner h2{color:#fff;max-width:22em}
.cta-inner p{margin-top:12px;max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-bg-2);border-top:1px solid var(--c-line);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col--wide p{font-size:14.5px;max-width:34em}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:var(--c-text-2)}
.footer-links a:hover{color:var(--c-primary)}
.footer-col p{font-size:14.5px}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:18px 0 74px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(166,173,187,.75);
}

/* ===== 浮动组件 ===== */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:var(--z-fab);
  background:var(--c-primary);color:#0D0E12;font-weight:700;font-size:14.5px;
  padding:13px 22px;border-radius:var(--r-pill);
  box-shadow:0 12px 30px rgba(0,0,0,.4);
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease;
}
.float-cta.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta:hover{background:var(--c-primary-deep)}
.to-top{
  position:fixed;right:28px;bottom:88px;z-index:var(--z-top);
  width:44px;height:44px;border-radius:50%;
  background:var(--c-bg-3);border:1px solid var(--c-line);color:var(--c-text);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  opacity:0;pointer-events:none;transition:opacity .25s ease,border-color .2s ease;
}
.to-top.is-visible{opacity:1;pointer-events:auto}
.to-top:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .intro-grid{gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:1023px){
  .nav-side,.nav-link{display:none}
  .nav-wrap{justify-content:space-between;gap:12px}
  .nav-toggle{display:inline-flex}
  .brand-text{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stat:nth-child(2){border-right:none}
  .hero-stat:nth-child(1),.hero-stat:nth-child(2){border-bottom:1px solid var(--c-line)}
  .intro-grid{grid-template-columns:1fr}
  .intro-media{order:-1}
  .judge-grid{grid-template-columns:repeat(2,1fr)}
  .match-grid{grid-template-columns:1fr}
  .anchor-bar{top:70px}
}
@media (max-width:639px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section,.light-zone .section{padding:48px 0}
  .page-hero{padding:44px 0 42px}
  .hero-stats{grid-template-columns:1fr;margin-top:32px}
  .hero-stat{border-right:none;border-bottom:1px solid var(--c-line)}
  .hero-stat:last-child{border-bottom:none}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .judge-grid{grid-template-columns:1fr}
  .timeline{padding-left:46px}
  .timeline::before{left:14px}
  .timeline-item{padding:18px 18px}
  .timeline-item::before{left:-46px;width:32px;height:32px;font-size:13px;box-shadow:0 0 0 5px rgba(182,243,44,.14)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-col:last-child{grid-column:auto}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;text-align:center;
    height:56px;display:flex;align-items:center;justify-content:center;
  }
  .to-top{bottom:74px;right:16px}
  .footer-bottom{padding-bottom:86px;flex-direction:column}
}