/* roulang page: index */
:root{
  --ink:#0B0A12;
  --ink-2:#0F0D1C;
  --ink-3:#131029;
  --card:#171430;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(200,255,61,.30);
  --lime:#C8FF3D;
  --lime-soft:rgba(200,255,61,.12);
  --violet:#7A5CFF;
  --violet-soft:rgba(122,92,255,.18);
  --orange:#FF8A5B;
  --text:#EDEAF7;
  --muted:#A7A1C0;
  --weak:#6F6A8A;
  --ok:#4ADE80;
  --warn:#FFB020;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 18px 40px rgba(200,255,61,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--lime);}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container--wide{max-width:1320px;}
.num{font-variant-numeric:tabular-nums;}
.section{padding:96px 0;position:relative;}
.section--alt{background:var(--ink-2);}
.section--grad{background:linear-gradient(180deg,#131029 0%,#0B0A12 100%);}
.section__head{max-width:760px;margin-bottom:48px;}
.section__no{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.16em;color:var(--lime);
  text-transform:uppercase;margin-bottom:14px;
}
.section__no::before{content:"";width:26px;height:3px;background:var(--lime);border-radius:2px;display:block;}
.section__title{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
.section__desc{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.9;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--lime);color:#0B0A12;}
.btn--primary:hover{background:#d6ff62;color:#0B0A12;transform:translateY(-2px);box-shadow:0 14px 32px rgba(200,255,61,.24);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:transparent;border-color:rgba(200,255,61,.55);color:var(--lime);}
.btn--ghost:hover{background:rgba(200,255,61,.10);transform:translateY(-2px);box-shadow:0 12px 28px rgba(200,255,61,.14);}
.btn--ghost:active{transform:translateY(1px);}
.btn--violet{background:var(--violet);color:#fff;}
.btn--violet:hover{background:#8f75ff;color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(122,92,255,.28);}
.btn--link{background:none;color:var(--muted);padding:6px 0;font-weight:600;}
.btn--link:hover{color:var(--lime);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--block{width:100%;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(11,10,18,.94);}
.brandbar{border-bottom:1px solid var(--line);transition:height .2s var(--ease);}
.brandbar__inner{
  height:68px;display:flex;align-items:center;gap:20px;transition:height .2s var(--ease);
}
.site-header.is-scrolled .brandbar__inner{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;}
.logo__mark{
  width:34px;height:34px;border-radius:11px;border:1.5px solid var(--lime);
  display:grid;place-items:center;flex:0 0 auto;
  background:radial-gradient(circle at 30% 20%,rgba(200,255,61,.18),transparent 62%);
}
.logo__mark svg{width:18px;height:18px;}
.logo__text{white-space:nowrap;}
.site-header.is-scrolled .logo__text{font-size:15px;}
.brandbar__spacer{flex:1 1 auto;}
.search-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);background:rgba(255,255,255,.02);
  transition:all .2s var(--ease);
}
.search-btn:hover{color:var(--lime);border-color:var(--line-strong);transform:translateY(-2px);}
.brandbar__help{color:var(--muted);font-size:14px;font-weight:600;}
.brandbar__help:hover{color:var(--lime);}
.brandbar__actions{display:flex;align-items:center;gap:16px;}

.channelbar{border-bottom:1px solid var(--line);background:rgba(15,13,28,.92);}
.channelbar__inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--muted);border:1px solid var(--line);
  white-space:nowrap;transition:all .2s var(--ease);
}
.channel:hover{color:var(--lime);border-color:var(--line-strong);transform:translateY(-2px);}
.channel.is-active{background:var(--lime);color:#0B0A12;border-color:var(--lime);}

/* ---------- 锚点条 ---------- */
.anchorbar{
  position:sticky;top:116px;z-index:70;background:rgba(11,10,18,.88);
  border-bottom:1px solid var(--line);
}
.anchorbar__inner{display:flex;gap:22px;height:46px;align-items:center;overflow-x:auto;scrollbar-width:none;}
.anchorbar__inner::-webkit-scrollbar{display:none;}
.anchor{
  font-size:14px;color:var(--weak);font-weight:600;white-space:nowrap;
  position:relative;padding:4px 0;transition:color .2s var(--ease);
}
.anchor::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.anchor:hover{color:var(--text);}
.anchor.is-active{color:var(--lime);}
.anchor.is-active::after{transform:scaleX(1);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(11,10,18,.82) 0%,rgba(11,10,18,.93) 55%,rgba(11,10,18,1) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.hero__grid{
  position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero__inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;
  align-items:center;min-height:560px;padding:80px 0;
}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--lime);
  background:var(--lime-soft);border:1px solid rgba(200,255,61,.28);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.22;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero__sub{margin-top:20px;font-size:17px;color:var(--muted);max-width:560px;line-height:1.9;}
.hero__cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero__points{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap;}
.hero__point{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.hero__point i{color:var(--lime);}

.entry-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.entry-panel::after{
  content:"";position:absolute;top:0;right:0;width:52px;height:52px;
  background:linear-gradient(225deg,var(--lime-soft),transparent 70%);
  clip-path:polygon(100% 0,0 0,100% 100%);
}
.entry-panel__title{font-size:17px;font-weight:700;margin-bottom:6px;}
.entry-panel__note{font-size:13px;color:var(--weak);margin-bottom:20px;}
.entry-list{display:grid;gap:12px;margin-bottom:22px;}
.entry-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted);
  padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.02);
  transition:all .2s var(--ease);
}
.entry-list li:hover{border-color:var(--line-strong);transform:translateX(2px);}
.entry-list i{color:var(--violet);margin-top:4px;}
.entry-panel__foot{display:grid;gap:10px;}
.entry-panel__meta{font-size:12px;color:var(--weak);text-align:center;}

/* ---------- 卖点区 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.fcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  display:flex;flex-direction:column;
}
.fcard:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-1),var(--sh-2);}
.fcard--lg{grid-column:span 3;padding:32px;}
.fcard--sm{grid-column:span 2;}
.fcard__icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--violet-soft);color:#b9a8ff;font-size:18px;margin-bottom:18px;
}
.fcard__icon--lime{background:var(--lime-soft);color:var(--lime);}
.fcard h3{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:12px;}
.fcard p{color:var(--muted);font-size:15px;line-height:1.9;}
.fcard__media{margin-top:22px;border-radius:var(--r-img);overflow:hidden;}
.fcard__media img{width:100%;height:190px;object-fit:cover;transition:transform .35s var(--ease);}
.fcard:hover .fcard__media img{transform:scale(1.03);}
.fcard__tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}
.tag{
  font-size:12px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--violet-soft);color:#b9a8ff;border:1px solid rgba(122,92,255,.24);
}
.tag--lime{background:var(--lime-soft);color:var(--lime);border-color:rgba(200,255,61,.24);}
.tag--warm{background:rgba(255,138,91,.14);color:var(--orange);border-color:rgba(255,138,91,.24);}

/* ---------- 演示区 ---------- */
.demo-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:40px 0;}
.demo-row + .demo-row{border-top:1px solid var(--line);}
.demo-row--flip .demo__media{order:-1;}
.demo__no{
  font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(200,255,61,.55);
  line-height:1;margin-bottom:16px;
}
.demo__title{font-size:24px;font-weight:700;line-height:1.5;margin-bottom:14px;}
.demo__text{color:var(--muted);font-size:15px;margin-bottom:20px;}
.demo__list{display:grid;gap:12px;margin-bottom:24px;}
.demo__list li{display:flex;gap:12px;font-size:15px;color:var(--muted);}
.demo__list li::before{
  content:"";width:8px;height:8px;border-radius:3px;background:var(--lime);
  flex:0 0 auto;margin-top:11px;
}
.demo__media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.demo__media img{width:100%;height:320px;object-fit:cover;transition:transform .4s var(--ease);}
.demo__media:hover img{transform:scale(1.03);}

/* ---------- 证据区 ---------- */
.metric-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:32px;border-radius:var(--r-card);border:1px solid var(--line);
  background:var(--ink-3);margin-bottom:36px;
}
.metric{text-align:center;}
.metric__num{font-size:34px;font-weight:800;color:var(--lime);line-height:1.1;}
.metric__label{font-size:13px;color:var(--weak);margin-top:8px;}
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.proof-card{
  position:relative;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);
  padding:26px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.proof-card::after{
  content:"";position:absolute;top:0;right:0;width:44px;height:44px;
  background:linear-gradient(225deg,rgba(122,92,255,.28),transparent 70%);
  clip-path:polygon(100% 0,0 0,100% 100%);
}
.proof-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-1),var(--sh-2);}
.proof-card__quote{font-size:15px;color:var(--text);line-height:1.9;}
.proof-card__who{margin-top:18px;font-size:13px;color:var(--weak);display:flex;align-items:center;gap:10px;}
.proof-card__who i{color:var(--lime);}

/* ---------- 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(4,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-1),var(--sh-2);}
.news-card--lead{grid-column:span 2;grid-row:span 2;}
.news-card__media{display:block;overflow:hidden;}
.news-card__media img{width:100%;height:170px;object-fit:cover;border-radius:0;transition:transform .35s var(--ease);}
.news-card--lead .news-card__media img{height:280px;}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card__title{font-size:16px;font-weight:600;line-height:1.6;}
.news-card--lead .news-card__title{font-size:20px;}
.news-card__desc{font-size:14px;color:var(--muted);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--weak);border-top:1px solid var(--line);padding-top:14px;
}
.news-card__time{color:var(--orange);}
.news-card__more{color:var(--lime);font-weight:600;}
.news-card__more:hover{color:#d6ff62;}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;
  background:var(--ink-2);
}
.news-empty i{font-size:26px;color:var(--violet);margin-bottom:14px;display:block;}
.news-empty p{color:var(--muted);font-size:15px;margin-bottom:16px;}

/* ---------- 服务方案 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.price-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  position:relative;
}
.price-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-1),var(--sh-2);}
.price-card--hl{border-color:rgba(200,255,61,.55);background:linear-gradient(180deg,#1a1738 0%,#171430 100%);}
.price-card__badge{
  position:absolute;top:-13px;right:24px;background:var(--lime);color:#0B0A12;
  font-size:12px;font-weight:700;padding:4px 14px;border-radius:var(--r-pill);
}
.price-card__name{font-size:19px;font-weight:700;margin-bottom:8px;}
.price-card__sub{font-size:13px;color:var(--weak);margin-bottom:22px;}
.price-card__list{display:grid;gap:12px;margin-bottom:28px;}
.price-card__list li{display:flex;gap:10px;font-size:14px;color:var(--muted);}
.price-card__list i{color:var(--lime);margin-top:5px;font-size:12px;}
.price-card__foot{margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-img);background:var(--card);overflow:hidden;transition:all .2s var(--ease);}
.faq-item.is-open{border-color:var(--line-strong);background:#1a1735;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--lime);}
.faq-item.is-open .faq-q{color:var(--lime);}
.faq-q__icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);font-size:12px;
  transition:transform .25s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.is-open .faq-q__icon{transform:rotate(90deg);color:var(--lime);border-color:var(--line-strong);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a__inner{padding:0 24px 22px 24px;color:var(--muted);font-size:15px;line-height:1.9;border-left:3px solid transparent;}
.faq-item.is-open .faq-a__inner{border-left-color:var(--lime);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:56px;
  background:linear-gradient(120deg,#1a1738 0%,#131029 60%,#0F0D1C 100%);
  border:1px solid var(--line);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-band__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.4;}
.cta-band p{color:var(--muted);font-size:15px;margin-top:12px;max-width:560px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:#08070E;border-top:1px solid rgba(200,255,61,.35);margin-top:0;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{color:var(--weak);font-size:14px;margin-top:16px;max-width:320px;line-height:1.9;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.04em;}
.footer-links{display:grid;gap:12px;}
.footer-links a{color:var(--weak);font-size:14px;}
.footer-links a:hover{color:var(--lime);}
.footer-note{color:var(--weak);font-size:14px;line-height:2;}
.footer-note strong{color:var(--muted);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 34px;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--weak);font-size:13px;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;padding:14px 24px;
  background:var(--lime);color:#0B0A12;font-weight:700;font-size:15px;border-radius:var(--r-pill);
  box-shadow:0 16px 36px rgba(200,255,61,.22);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background .2s var(--ease);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#d6ff62;color:#0B0A12;transform:translateY(-2px);}

/* ---------- 进入视口动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .hero__inner{grid-template-columns:1fr;gap:40px;min-height:auto;padding:64px 0;}
  .hero__sub{max-width:none;}
  .feature-grid{grid-template-columns:repeat(4,1fr);}
  .fcard--lg{grid-column:span 4;}
  .fcard--sm{grid-column:span 2;}
  .demo-row{grid-template-columns:1fr;gap:32px;padding:32px 0;}
  .demo-row--flip .demo__media{order:0;}
  .metric-bar{grid-template-columns:repeat(2,1fr);gap:28px;}
  .proof-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card--lead{grid-column:span 2;grid-row:auto;}
  .price-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:40px;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .brandbar__inner{height:56px;gap:12px;}
  .site-header.is-scrolled .brandbar__inner{height:52px;}
  .logo__text{font-size:15px;}
  .brandbar__help{display:none;}
  .anchorbar{top:104px;}
  .hero__cta .btn{flex:1 1 auto;}
  .demo__media img{height:220px;}
  .proof-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-card--lead{grid-column:span 1;}
  .news-card--lead .news-card__media img{height:190px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    padding:16px 20px calc(16px + env(safe-area-inset-bottom));
    transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0);}
  body{padding-bottom:0;}
  .site-footer{padding-bottom:76px;}
}
@media screen and (max-width:559px){
  .hero h1{font-size:28px;}
  .hero__cta{flex-direction:column;}
  .hero__cta .btn{width:100%;}
  .btn{width:100%;}
  .hero__points{gap:14px;}
  .metric__num{font-size:28px;}
  .brandbar__actions .btn{width:auto;}
}

/* roulang page: article */
:root{
  --bg:#0B0A12;
  --bg-alt:#0F0D1C;
  --bg-deep:#080710;
  --card:#171430;
  --card-2:#141128;
  --primary:#C8FF3D;
  --primary-dim:rgba(200,255,61,.14);
  --violet:#7A5CFF;
  --violet-dim:rgba(122,92,255,.18);
  --orange:#FF8A5B;
  --text:#EDEAF7;
  --text-2:#A7A1C0;
  --text-3:#6F6A8A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(200,255,61,.3);
  --ok:#4ADE80;
  --warn:#FFB020;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow-1:0 2px 8px rgba(0,0,0,.35);
  --shadow-2:0 18px 40px rgba(200,255,61,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms;
  --container:1200px;
  --wide:1320px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.5;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--primary)}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0 0 16px;line-height:1.35;font-weight:700}
ul,ol{margin:0 0 16px;padding-left:0}
button,input,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:var(--primary);color:var(--bg)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.container--wide{max-width:var(--wide)}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,10,18,.94);border-bottom:1px solid var(--line)}
.brandbar{border-bottom:1px solid var(--line);transition:height var(--t) var(--ease)}
.brandbar__inner{display:flex;align-items:center;gap:16px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;color:var(--text);font-size:17px;white-space:nowrap}
.logo__mark{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:9px;background:var(--violet-dim);border:1px solid var(--line-strong)}
.logo__mark svg{width:18px;height:18px}
.logo:hover{color:var(--primary)}
.brandbar__spacer{flex:1 1 auto}
.search-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--text-2);cursor:pointer;transition:all var(--t) var(--ease)}
.search-btn:hover{color:var(--primary);border-color:var(--line-strong);transform:translateY(-2px)}
.brandbar__actions{display:flex;align-items:center;gap:14px}
.brandbar__help{color:var(--text-2);font-size:14px}
.brandbar__help:hover{color:var(--primary)}
.channelbar{background:rgba(15,13,28,.9)}
.channelbar__inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none}
.channelbar__inner::-webkit-scrollbar{display:none}
.channel{display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;font-size:14px;color:var(--text-2);border:1px solid transparent;white-space:nowrap;transition:all var(--t) var(--ease)}
.channel:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line)}
.channel.is-active{background:var(--primary);color:var(--bg);font-weight:700}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;border:1px solid transparent;padding:0 24px;height:46px;font-size:15px;font-weight:700;cursor:pointer;transition:all var(--t) var(--ease)}
.btn--primary{background:var(--primary);color:var(--bg)}
.btn--primary:hover{color:var(--bg);transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.05)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--primary)}
.btn--ghost:hover{color:var(--primary);background:var(--primary-dim);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.text-link{color:var(--text-2);font-size:14px;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--primary)}

/* ---------- article head ---------- */
.page-head{padding:48px 0 0;background:linear-gradient(180deg,#131029 0%,var(--bg) 100%)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumbs a{color:var(--text-2)}
.crumbs .sep{color:var(--text-3)}
.crumbs .current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:860px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);border:1px solid var(--line-strong);background:var(--primary-dim);border-radius:999px;padding:4px 14px;margin-bottom:18px}
h1.article-title{font-size:clamp(30px,4.2vw,48px);font-weight:800;letter-spacing:-.01em;line-height:1.25;margin-bottom:20px}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--text-3);line-height:1.6;padding-bottom:28px}
.article-meta .dot{color:var(--text-3)}
.article-meta .cat{color:var(--violet)}

/* ---------- layout ---------- */
.article-wrap{padding:40px 0 80px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.article-main{min-width:0}
.article-body{max-width:800px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:40px 44px;box-shadow:var(--shadow-1)}
.article-content{font-size:17px;line-height:1.95;color:var(--text)}
.article-content > *:last-child{margin-bottom:0}
.article-content h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;margin:2.4em 0 16px}
.article-content h2::before{content:"";display:block;width:36px;height:3px;border-radius:2px;background:var(--primary);margin-bottom:12px}
.article-content h3{font-size:20px;font-weight:600;margin:1.8em 0 14px}
.article-content p{margin:0 0 1.2em;color:var(--text)}
.article-content ul,.article-content ol{list-style:none;padding-left:0;margin:0 0 1.2em}
.article-content li{position:relative;padding-left:22px;margin-bottom:10px}
.article-content li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--primary)}
.article-content ol{counter-reset:oli}
.article-content ol li{padding-left:28px}
.article-content ol li::before{counter-increment:oli;content:counter(oli);width:auto;height:auto;background:none;color:var(--primary);font-weight:700;top:0}
.article-content blockquote{margin:1.4em 0;padding:18px 22px;border-left:3px solid var(--primary);background:var(--card-2);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2)}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{margin:1.6em auto;border-radius:var(--r-img)}
.article-content figure{margin:1.6em 0}
.article-content figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}
.article-content table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden}
.article-content thead th{background:rgba(200,255,61,.12);color:var(--text);font-weight:700;text-align:left}
.article-content th,.article-content td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-content tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(200,255,61,.35)}
.article-content a:hover{border-bottom-color:var(--primary)}
.article-content code{background:var(--card-2);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--primary)}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:130px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-1)}
.side-title{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--text-2);text-transform:none;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary)}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px}
.toc-list li{margin-bottom:10px}
.toc-list a{color:var(--text-2);display:block;padding-left:12px;border-left:2px solid var(--line);transition:all var(--t) var(--ease)}
.toc-list a:hover{color:var(--primary);border-left-color:var(--primary);padding-left:16px}
.toc-list .lvl-3 a{padding-left:24px;font-size:13px;color:var(--text-3)}
.side-links{list-style:none;margin:0;padding:0;font-size:14px}
.side-links li{margin-bottom:12px}
.side-links a{color:var(--text-2);display:flex;align-items:center;justify-content:space-between;gap:10px}
.side-links a:hover{color:var(--primary)}

/* ---------- tail ---------- */
.article-tail{max-width:800px;margin-top:28px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:5px 14px;border-radius:999px;background:var(--violet-dim);color:#B9A8FF;border:1px solid rgba(122,92,255,.28)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:26px}
.pager a{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;font-size:14px;color:var(--text-2);display:block;transition:all var(--t) var(--ease)}
.pager a:hover{color:var(--primary);border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.pager .pager-label{display:block;font-size:12px;color:var(--text-3);margin-bottom:6px}
.back-row{display:flex;justify-content:center;margin-bottom:40px}

/* ---------- related ---------- */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:0}
.section-head .sub{color:var(--text-2);font-size:14px;margin-top:6px}
.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:all var(--t) var(--ease);display:flex;flex-direction:column}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.post-card__media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#1C1738,#0F0D1C)}
.post-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--t) var(--ease)}
.post-card:hover .post-card__media img{transform:scale(1.03)}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__body h3{font-size:17px;font-weight:600;line-height:1.5;margin:0}
.post-card__body p{font-size:14px;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{font-size:13px;color:var(--orange);margin-top:auto}

/* ---------- cta ---------- */
.cta-band{background:linear-gradient(135deg,#171430 0%,#0F0D1C 100%);border:1px solid var(--line);border-radius:var(--r-card);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--shadow-1)}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);margin:0 0 8px}
.cta-band p{color:var(--text-2);margin:0;max-width:560px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- empty ---------- */
.empty-box{max-width:800px;text-align:center;padding:64px 32px;background:var(--card);border:1px dashed rgba(200,255,61,.3);border-radius:var(--r-card)}
.empty-box i{font-size:34px;color:var(--primary);margin-bottom:18px;display:block}
.empty-box h2{font-size:22px;margin-bottom:12px}
.empty-box p{color:var(--text-2)}

/* ---------- float cta ---------- */
.float-cta{position:fixed;right:28px;bottom:28px;z-index:60;display:inline-flex;align-items:center;gap:10px;background:var(--primary);color:var(--bg);font-weight:700;font-size:14px;padding:14px 24px;border-radius:999px;box-shadow:0 12px 32px rgba(200,255,61,.22);transition:all var(--t) var(--ease)}
.float-cta:hover{color:var(--bg);transform:translateY(-2px);filter:brightness(1.05)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line-strong);padding:64px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:320px}
.footer-title{font-size:14px;color:var(--text);margin-bottom:16px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-2);font-size:14px}
.footer-links a:hover{color:var(--primary)}
.footer-note{color:var(--text-2);font-size:14px;line-height:2}
.footer-note strong{color:var(--text);font-weight:600}
.footer-bottom{border-top:1px solid var(--line);margin-top:48px;padding:22px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 300px}
  .cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .brandbar__inner{height:60px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .page-head{padding-top:32px}
  .article-body{padding:26px 20px}
  .article-content{font-size:16px}
  .brandbar__inner{height:56px;gap:10px}
  .brandbar__help{display:none}
  .logo__text{font-size:15px}
  .cards-3{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:28px 22px}
  .article-side{flex-direction:column}
  .float-cta{right:16px;left:16px;bottom:0;border-radius:0;padding:16px 20px 24px;justify-content:center;padding-bottom:calc(16px + env(safe-area-inset-bottom))}
  body{padding-bottom:76px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .btn{width:100%}
  .cta-band__actions{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .crumbs .current{max-width:180px}
}

/* roulang page: category1 */
:root{
  --bg:#0B0A12;
  --bg-alt:#0F0D1C;
  --bg-deep:#08070E;
  --card:#171430;
  --card-hi:#1A1636;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#C8FF3D;
  --primary-soft:rgba(200,255,61,.12);
  --secondary:#7A5CFF;
  --secondary-soft:rgba(122,92,255,.18);
  --accent:#FF8A5B;
  --text:#EDEAF7;
  --muted:#A7A1C0;
  --dim:#6F6A8A;
  --success:#4ADE80;
  --warn:#FFB020;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow-1:0 2px 8px rgba(0,0,0,.35);
  --shadow-2:0 18px 40px rgba(200,255,61,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
a:hover{color:var(--primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.22;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
h3{font-size:20px;font-weight:600;line-height:1.45;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container--wide{max-width:1320px;}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(11,10,18,.94);}
.brandbar{
  height:68px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line);
  transition:height .22s var(--ease);
}
.brandbar__inner{display:flex;align-items:center;gap:16px;height:100%;}
.site-header.is-compact .brandbar{height:56px;}
.site-header.is-compact .logo__text{font-size:15px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:34px;height:34px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(200,255,61,.16),rgba(122,92,255,.2));
  border:1px solid rgba(200,255,61,.3);
}
.logo__mark svg{width:19px;height:19px;}
.logo__text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brandbar__spacer{flex:1 1 auto;}
.search-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  background:transparent;
  border:1px solid var(--line);
  color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.search-btn:hover{color:var(--primary);border-color:rgba(200,255,61,.4);transform:translateY(-2px);}
.brandbar__actions{display:flex;align-items:center;gap:18px;}
.brandbar__help{font-size:14px;color:var(--muted);}
.brandbar__help:hover{color:var(--primary);}

.channelbar{background:rgba(15,13,28,.96);border-bottom:1px solid var(--line);}
.channelbar__inner{
  display:flex;align-items:center;gap:8px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;
  padding:8px 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--muted);
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.channel:hover{color:var(--text);background:rgba(255,255,255,.06);}
.channel.is-active{background:var(--primary);color:#0B0A12;font-weight:600;border-color:var(--primary);}
.channel.is-active:hover{color:#0B0A12;background:var(--primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn--primary{background:var(--primary);color:#0B0A12;}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:#0B0A12;}
.btn--ghost{background:transparent;color:var(--primary);border-color:rgba(200,255,61,.45);}
.btn--ghost:hover{background:var(--primary-soft);transform:translateY(-2px);color:var(--primary);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn:active{transform:translateY(1px);box-shadow:none;}

/* ---------- 页头 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,10,18,.7) 0%,rgba(11,10,18,.93) 60%,var(--bg) 100%);
}
.page-hero__inner{position:relative;padding:48px 0 76px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--dim);margin-bottom:28px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb__sep{color:var(--dim);opacity:.7;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:center;}
.hero-copy .tag-line{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  margin-bottom:18px;
}
.hero-copy .tag-line::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--primary);}
.lead{font-size:17px;color:var(--muted);max-width:620px;line-height:1.9;margin-top:22px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:var(--secondary-soft);
  color:#CDBFFF;
  border:1px solid rgba(122,92,255,.32);
}
.chip--accent{background:rgba(255,138,91,.14);color:#FFC7AC;border-color:rgba(255,138,91,.3);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

.hero-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:30px 28px;
  position:relative;
  overflow:hidden;
}
.hero-panel::after{
  content:"";
  position:absolute;top:0;right:0;
  width:64px;height:64px;
  background:linear-gradient(225deg,rgba(200,255,61,.16),transparent 70%);
  clip-path:polygon(100% 0,0 0,100% 100%);
}
.hero-panel__title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:18px;}
.panel-list{display:grid;gap:14px;}
.panel-list li{display:flex;gap:12px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.panel-list .dot{
  width:22px;height:22px;flex:0 0 auto;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary-soft);
  color:var(--primary);font-size:12px;font-weight:700;
}
.hero-panel__note{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);font-size:13px;color:var(--dim);}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section--alt{background:linear-gradient(180deg,#131029,#0B0A12);}
.section-head{max-width:780px;margin-bottom:52px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.18em;
  color:var(--primary);
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:2px;background:var(--primary);}
.section-head p{color:var(--muted);margin-top:18px;font-size:16px;}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
.split__media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  background:var(--card);
}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .38s var(--ease);}
.split__media:hover img{transform:scale(1.03);}
.point-list{display:grid;gap:18px;margin-top:28px;}
.point-list li{display:flex;gap:14px;align-items:flex-start;}
.point-list .mark{
  width:26px;height:26px;flex:0 0 auto;border-radius:8px;
  display:grid;place-items:center;
  background:var(--secondary-soft);
  border:1px solid rgba(122,92,255,.35);
  color:#CDBFFF;font-size:12px;font-weight:700;
}
.point-list strong{display:block;font-size:15.5px;}
.point-list span{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:12px;}
.timeline__item{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:26px;padding-bottom:44px;}
.timeline__item:last-child{padding-bottom:0;}
.timeline__item:not(:last-child)::after{
  content:"";
  position:absolute;left:27.5px;top:60px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(200,255,61,.45),rgba(122,92,255,.12));
}
.timeline__num{
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--card);
  border:1px solid rgba(200,255,61,.35);
  color:var(--primary);
  font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(200,255,61,.05);
}
.timeline__body h3{margin-bottom:10px;}
.timeline__body p{color:var(--muted);font-size:15px;}
.timeline__meta{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:14px;font-size:13px;color:var(--accent);
}
.timeline-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:56px;align-items:start;}

/* ---------- 要点清单 ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.checklist__item{
  display:flex;gap:16px;
  padding:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.checklist__item:hover{
  transform:translateY(-2px);
  border-color:rgba(200,255,61,.3);
  box-shadow:var(--shadow-1),var(--shadow-2);
}
.checklist__mark{
  width:24px;height:24px;flex:0 0 auto;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary-soft);
  color:var(--primary);font-size:12px;font-weight:700;
  margin-top:3px;
}
.checklist__item h3{font-size:16.5px;margin-bottom:8px;}
.checklist__item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq__item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  padding:0 24px;
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq__item:hover{border-color:rgba(200,255,61,.24);}
.faq__item[open]{background:var(--card-hi);border-color:rgba(200,255,61,.3);box-shadow:inset 3px 0 0 var(--primary);}
.faq__item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(200,255,61,.4);
  color:var(--primary);font-size:13px;
  transition:transform .22s var(--ease);
}
.faq__item[open] .faq__icon{transform:rotate(45deg);}
.faq__body{padding:0 0 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,rgba(122,92,255,.24),rgba(200,255,61,.1));
  border:1px solid rgba(200,255,61,.25);
  border-radius:22px;
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-1);
}
.cta-band h2{max-width:620px;}
.cta-band p{color:var(--muted);margin-top:14px;font-size:15.5px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(200,255,61,.28);
  padding:72px 0 32px;
  margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:18px;max-width:320px;line-height:1.85;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text);}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:var(--muted);}
.footer-links a:hover{color:var(--primary);}
.footer-note{font-size:14px;color:var(--muted);line-height:2;}
.footer-note strong{color:var(--text);font-weight:600;}
.footer-bottom{
  margin-top:52px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--dim);
}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:rgba(11,10,18,.97);
  border-top:1px solid rgba(200,255,61,.3);
}
.mobile-cta .btn{width:100%;}

/* ---------- 入场动画 ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.js .reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hero-grid,.split,.timeline-grid{grid-template-columns:1fr;gap:40px;}
  .section{padding:72px 0;}
  .section-head{margin-bottom:40px;}
  .cta-band{padding:36px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .brandbar{height:56px;}
  .logo__text{font-size:15px;}
  .brandbar__help{display:none;}
  .page-hero__inner{padding:36px 0 56px;}
  .checklist{grid-template-columns:1fr;}
  .split__media img{aspect-ratio:16/10;}
  .mobile-cta{display:block;}
  body{padding-bottom:84px;}
  .site-footer{padding:56px 0 28px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:10px;}
  .timeline__item{grid-template-columns:44px minmax(0,1fr);gap:18px;}
  .timeline__num{width:44px;height:44px;font-size:14px;}
  .timeline__item:not(:last-child)::after{left:21.5px;top:48px;}
}
@media (max-width:559px){
  .container{padding:0 18px;}
  .hero-actions .btn,.cta-band__actions .btn{width:100%;}
  .cta-band{padding:26px 22px;}
  .faq__item{padding:0 18px;}
  .checklist__item{padding:20px;}
}

/* roulang page: category2 */
:root{
  --bg:#0B0A12;
  --bg-alt:#0F0D1C;
  --bg-grad-a:#131029;
  --card:#171430;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#C8FF3D;
  --primary-dim:rgba(200,255,61,.30);
  --violet:#7A5CFF;
  --violet-soft:rgba(122,92,255,.18);
  --accent:#FF8A5B;
  --text:#EDEAF7;
  --muted:#A7A1C0;
  --dim:#6F6A8A;
  --ok:#4ADE80;
  --warn:#FFB020;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 18px 40px rgba(200,255,61,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --gap:24px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.container--wide{max-width:1320px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:var(--primary);
  color:#0B0A12;
  box-shadow:var(--sh-1);
}
.btn--primary:hover{
  transform:translateY(-2px);
  box-shadow:0 2px 8px rgba(0,0,0,.35),var(--sh-2);
  background:#d5ff62;
}
.btn--primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn--ghost{
  background:transparent;
  color:var(--primary);
  border-color:rgba(200,255,61,.45);
}
.btn--ghost:hover{
  transform:translateY(-2px);
  border-color:var(--primary);
  background:rgba(200,255,61,.08);
  box-shadow:0 0 0 1px rgba(200,255,61,.12),var(--sh-2);
}
.btn--ghost:active{transform:translateY(1px);}
.btn--sm{padding:9px 20px;font-size:14px;}
.btn--block{width:100%;}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.link-more:hover{color:var(--primary);gap:10px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,10,18,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.brandbar{transition:height .22s var(--ease);}
.brandbar__inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:68px;
  transition:height .22s var(--ease);
}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:11px;
  background:linear-gradient(140deg,#221C46,#141130);
  border:1px solid rgba(200,255,61,.28);
  flex:0 0 auto;
}
.logo__mark svg{width:20px;height:20px;}
.logo__text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
}
.brandbar__spacer{flex:1 1 auto;}
.search-btn{
  width:40px;height:40px;
  border-radius:50%;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--muted);
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.search-btn:hover{color:var(--primary);border-color:var(--primary-dim);transform:translateY(-2px);}
.brandbar__actions{display:flex;align-items:center;gap:18px;}
.brandbar__help{
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  transition:color .2s var(--ease);
}
.brandbar__help:hover{color:var(--primary);}

.channelbar{border-top:1px solid var(--line);background:rgba(15,13,28,.72);}
.channelbar__inner{
  display:flex;
  align-items:center;
  gap:10px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;
  padding:6px 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  border:1px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.channel:hover{color:var(--primary);background:rgba(200,255,61,.06);}
.channel.is-active{
  background:var(--primary);
  color:#0B0A12;
  border-color:var(--primary);
}
.site-header.is-compact .brandbar__inner{height:56px;}
.site-header.is-compact .logo__text{font-size:15px;}

/* ---------- Floating CTA ---------- */
.floating-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#0B0A12;
  font-weight:700;
  font-size:14px;
  box-shadow:0 2px 8px rgba(0,0,0,.35),0 16px 34px rgba(200,255,61,.18);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.floating-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.floating-cta:hover{transform:translateY(-2px);background:#d5ff62;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  padding:80px 0 72px;
  background:
    linear-gradient(105deg,rgba(11,10,18,.96) 0%,rgba(11,10,18,.86) 46%,rgba(19,16,41,.72) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(200,255,61,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,255,61,.05) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--dim);
  margin-bottom:22px;
}
.crumbs a{color:var(--muted);transition:color .2s var(--ease);}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{color:var(--dim);}
.crumbs .current{color:var(--text);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  letter-spacing:.04em;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:24px;height:3px;
  border-radius:2px;
  background:var(--primary);
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.24;
  max-width:880px;
}
.page-hero .lead{
  margin-top:20px;
  max-width:720px;
  color:var(--muted);
  font-size:17px;
  line-height:1.9;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:var(--violet-soft);
  border:1px solid rgba(122,92,255,.32);
  color:#C3B6FF;
  font-size:13px;
  font-weight:600;
}
.pill--accent{
  background:rgba(255,138,91,.14);
  border-color:rgba(255,138,91,.34);
  color:#FFBE9E;
}

/* ---------- Section base ---------- */
.section{padding:96px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--grad{background:linear-gradient(180deg,var(--bg-grad-a) 0%,var(--bg) 100%);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head .index{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--violet);
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.32;
}
.section-head p{margin-top:16px;color:var(--muted);}
.section-head--split{
  max-width:none;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}

/* ---------- Quick tags ---------- */
.tagbar{
  border-top:1px solid var(--line);
  background:rgba(11,10,18,.9);
  position:sticky;
  top:116px;
  z-index:40;
}
.tagbar__inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.tagbar__inner::-webkit-scrollbar{display:none;}
.tag{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{color:var(--primary);border-color:var(--primary-dim);transform:translateY(-2px);}
.tag.is-active{
  background:rgba(200,255,61,.12);
  border-color:rgba(200,255,61,.5);
  color:var(--primary);
}

/* ---------- FAQ accordion ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px 24px;
  align-items:start;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.faq-item:hover{border-color:var(--primary-dim);transform:translateY(-2px);}
.faq-item.is-open{
  border-color:rgba(200,255,61,.42);
  background:#1A1738;
  box-shadow:var(--sh-1),0 12px 30px rgba(200,255,61,.10);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  cursor:pointer;
  font-size:15.5px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
}
.faq-q .qmark{
  flex:0 0 auto;
  width:24px;height:24px;
  margin-top:2px;
  border-radius:8px;
  background:var(--violet-soft);
  border:1px solid rgba(122,92,255,.34);
  color:#C3B6FF;
  font-size:12px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.faq-q .chev{
  margin-left:auto;
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:11px;
  transition:transform .24s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.is-open .chev{
  transform:rotate(180deg);
  color:var(--primary);
  border-color:var(--primary-dim);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a__inner{
  padding:0 22px 22px 60px;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a__inner{border-left:3px solid var(--primary);}
.faq-a__inner strong{color:var(--text);font-weight:600;}

/* ---------- Grid cards ---------- */
.grid-6{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.gcard{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  overflow:hidden;
}
.gcard::after{
  content:"";
  position:absolute;
  top:0;right:0;
  width:14px;height:14px;
  background:linear-gradient(225deg,rgba(200,255,61,.26) 0 50%,transparent 50%);
}
.gcard:hover{
  transform:translateY(-2px);
  border-color:rgba(200,255,61,.34);
  box-shadow:var(--sh-1),var(--sh-2);
}
.gcard__icon{
  width:46px;height:46px;
  border-radius:14px;
  background:var(--violet-soft);
  border:1px solid rgba(122,92,255,.3);
  color:#C3B6FF;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  margin-bottom:18px;
}
.gcard h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.gcard p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.gcard .link-more{margin-top:16px;}

/* ---------- Split (form + steps) ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:40px;
  align-items:start;
}
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:34px;
  box-shadow:var(--sh-1);
}
.panel h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.panel .panel-sub{color:var(--muted);font-size:14.5px;margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--muted);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:13px 15px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-strong);
  border-radius:var(--r-input);
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:124px;resize:vertical;line-height:1.75;}
.field input::placeholder,
.field textarea::placeholder{color:var(--dim);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(200,255,61,.04);
  box-shadow:0 0 0 2px rgba(200,255,61,.22);
}
.field select option{background:#171430;color:var(--text);}
.form-note{font-size:13px;color:var(--dim);margin-top:14px;line-height:1.7;}

.steps{position:relative;padding-left:12px;}
.step{
  position:relative;
  padding:0 0 30px 46px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:15px;top:32px;bottom:-4px;
  width:1px;
  background:linear-gradient(180deg,rgba(200,255,61,.42),rgba(200,255,61,.06));
}
.step:last-child::before{display:none;}
.step__num{
  position:absolute;
  left:0;top:0;
  width:32px;height:32px;
  border-radius:50%;
  background:#1D1A3B;
  border:1px solid rgba(200,255,61,.4);
  color:var(--primary);
  font-size:12.5px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.step h4{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.step p{color:var(--muted);font-size:14.5px;line-height:1.8;}

/* ---------- Stats ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.stat{
  background:var(--bg-alt);
  padding:30px 24px;
  transition:background .2s var(--ease);
}
.stat:hover{background:#161331;}
.stat .num{
  font-size:clamp(26px,3vw,34px);
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat .label{
  margin-top:8px;
  font-size:14px;
  font-weight:600;
  color:var(--text);
}
.stat .desc{margin-top:6px;font-size:13px;color:var(--dim);line-height:1.7;}

/* ---------- Media block ---------- */
.media{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.media__img{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.media__img img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s var(--ease);}
.media__img:hover img{transform:scale(1.03);}
.media__body h3{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;margin-bottom:14px;}
.media__body p{color:var(--muted);margin-bottom:20px;}
.check-list li{
  position:relative;
  padding-left:24px;
  color:var(--muted);
  font-size:15px;
  margin-bottom:12px;
  line-height:1.8;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--primary);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,#1A1638 0%,#12102A 55%,#0F0D1C 100%);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.36;}
.cta-band p{color:var(--muted);margin-top:12px;max-width:560px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  background:#08070E;
  border-top:1px solid rgba(200,255,61,.35);
  padding:72px 0 30px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--dim);font-size:14px;line-height:1.85;max-width:320px;}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{
  color:var(--muted);
  font-size:14px;
  transition:color .2s var(--ease),transform .2s var(--ease);
  width:fit-content;
}
.footer-links a:hover{color:var(--primary);transform:translateX(3px);}
.footer-note{color:var(--dim);font-size:14px;line-height:2;}
.footer-note strong{color:var(--muted);font-weight:600;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--dim);
  font-size:13px;
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .grid-6{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:32px;}
  .media{grid-template-columns:1fr;gap:28px;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .tagbar{top:112px;}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:76px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .brandbar__inner{height:56px;gap:12px;}
  .logo__text{font-size:15px;}
  .brandbar__help{display:none;}
  .page-hero{padding:52px 0 46px;}
  .page-hero .lead{font-size:15.5px;}
  .faq-grid{grid-template-columns:1fr;}
  .grid-6{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .panel{padding:24px;}
  .cta-band{padding:34px 24px;flex-direction:column;align-items:flex-start;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .floating-cta{
    right:0;left:0;bottom:0;
    border-radius:0;
    justify-content:center;
    padding:16px 18px calc(16px + env(safe-area-inset-bottom));
    font-size:15px;
    transform:translateY(100%);
  }
  .floating-cta.is-visible{transform:translateY(0);}
  .floating-cta:hover{transform:translateY(0);}
  .tagbar{top:104px;}
  .faq-a__inner{padding-left:22px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px;}
  .btn{padding:12px 18px;font-size:14.5px;}
  .btn--sm{padding:9px 16px;}
  .section-head--split{align-items:flex-start;}
  .btn--block-sm{width:100%;}
  .hero-facts{gap:8px;}
  .pill{font-size:12px;padding:6px 12px;}
}

/* roulang page: category3 */
:root{
  --bg:#0B0A12;
  --bg-alt:#0F0D1C;
  --card:#171430;
  --card-soft:#141128;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#C8FF3D;
  --primary-soft:rgba(200,255,61,.14);
  --violet:#7A5CFF;
  --violet-soft:rgba(122,92,255,.18);
  --orange:#FF8A5B;
  --success:#4ADE80;
  --warn:#FFB020;
  --text:#EDEAF7;
  --text-2:#A7A1C0;
  --text-3:#6F6A8A;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow-1:0 2px 8px rgba(0,0,0,.35);
  --shadow-2:0 18px 40px rgba(200,255,61,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --pad-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container--wide{max-width:1320px;}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:120;background:var(--bg);border-bottom:1px solid var(--line);}
.brandbar{background:var(--bg);transition:height .22s var(--ease);}
.brandbar__inner{display:flex;align-items:center;gap:16px;height:68px;transition:height .22s var(--ease);}
.brandbar__spacer{flex:1 1 auto;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;}
.logo__mark{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:11px;background:linear-gradient(140deg,rgba(200,255,61,.16),rgba(122,92,255,.14));}
.logo__mark svg{width:20px;height:20px;}
.logo__text{font-size:17px;white-space:nowrap;}
.search-btn{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;color:var(--text-2);transition:all .2s var(--ease);}
.search-btn:hover{color:var(--primary);border-color:rgba(200,255,61,.35);transform:translateY(-2px);}
.brandbar__actions{display:flex;align-items:center;gap:18px;}
.brandbar__help{font-size:14px;color:var(--text-2);}
.brandbar__help:hover{color:var(--primary);}
.is-compact .brandbar__inner{height:56px;}
.is-compact .logo__text{font-size:15px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;line-height:1;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);}
.btn--primary{background:var(--primary);color:#0B0A12;box-shadow:var(--shadow-1);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-1),var(--shadow-2);filter:brightness(1.04);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{border:1px solid rgba(200,255,61,.5);color:var(--primary);background:transparent;}
.btn--ghost:hover{transform:translateY(-2px);background:var(--primary-soft);border-color:var(--primary);}
.btn--ghost:active{transform:translateY(1px);}
.btn--text{color:var(--text-2);font-weight:500;}
.btn--text:hover{color:var(--primary);}
.btn--sm{height:38px;padding:0 20px;font-size:14px;}
.btn--md{height:48px;padding:0 28px;font-size:15px;}
.btn--lg{height:54px;padding:0 34px;font-size:16px;}

.channelbar{background:var(--bg-alt);border-top:1px solid var(--line);}
.channelbar__inner{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channel{flex:0 0 auto;display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;font-size:14px;color:var(--text-2);border:1px solid transparent;white-space:nowrap;transition:all .2s var(--ease);}
.channel:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.04);}
.channel.is-active{background:var(--primary);color:#0B0A12;font-weight:600;}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--bg);border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:14px 0;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{color:var(--text-3);}
.crumb .current{color:var(--text);}

/* ============ Hero ============ */
.hero-c3{position:relative;overflow:hidden;padding:76px 0 64px;background-color:#0B0A12;}
.hero-c3::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(11,10,18,.96) 0%,rgba(11,10,18,.86) 46%,rgba(11,10,18,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.95;
}
.hero-c3::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:24px 24px;pointer-events:none;
}
.hero-c3 .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.08em;color:var(--primary);text-transform:uppercase;margin-bottom:18px;}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--primary);display:inline-block;}
h1.hero-title{font-size:clamp(30px,4.2vw,52px);line-height:1.22;font-weight:800;letter-spacing:-.01em;margin-bottom:20px;}
h1.hero-title em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:600px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.tag{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;font-size:13px;background:var(--violet-soft);color:#C3B6FF;border:1px solid rgba(122,92,255,.28);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;}
.panel::before{content:"";position:absolute;top:0;right:0;width:44px;height:44px;background:linear-gradient(225deg,rgba(200,255,61,.28),transparent 70%);clip-path:polygon(100% 0,0 0,100% 100%);}
.panel-title{font-size:15px;font-weight:700;margin-bottom:4px;}
.panel-note{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.check-row{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-top:1px solid var(--line);}
.check-row:first-of-type{border-top:0;}
.check-dot{width:22px;height:22px;flex:0 0 22px;border-radius:50%;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);font-size:11px;margin-top:4px;}
.check-row p{font-size:14px;color:var(--text-2);line-height:1.7;}
.check-row strong{display:block;color:var(--text);font-size:14.5px;font-weight:600;}

/* ============ 指标条 ============ */
.metrics{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:44px 0;}
.metrics__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{border-left:2px solid rgba(200,255,61,.35);padding-left:18px;}
.metric__num{font-size:clamp(26px,3vw,38px);font-weight:800;color:var(--primary);line-height:1.1;letter-spacing:-.01em;}
.metric__label{font-size:14px;color:var(--text);margin-top:6px;}
.metric__desc{font-size:13px;color:var(--text-3);margin-top:2px;}

/* ============ 区块通用 ============ */
.section{padding:var(--pad-section) 0;}
.section--alt{background:var(--bg-alt);}
.section--grad{background:linear-gradient(180deg,#131029 0%,#0B0A12 100%);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-index{font-size:13px;letter-spacing:.16em;color:var(--primary);font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:12px;}
.section-index::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,rgba(200,255,61,.35),transparent);}
h2.section-title{font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.01em;line-height:1.3;margin-bottom:14px;}
.section-sub{color:var(--text-2);font-size:16px;}

/* ============ Zigzag ============ */
.zigzag{display:grid;gap:72px;}
.zigzag__row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zigzag__row.is-reverse .zigzag__media{order:2;}
.zigzag__media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.zigzag__media img{width:100%;height:340px;object-fit:cover;transition:transform .5s var(--ease);}
.zigzag__media:hover img{transform:scale(1.03);}
.zigzag__badge{position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:rgba(11,10,18,.82);border:1px solid rgba(200,255,61,.35);color:var(--primary);font-size:13px;}
.zigzag__num{font-size:13px;letter-spacing:.16em;color:var(--violet);font-weight:700;margin-bottom:10px;}
h3.zigzag__title{font-size:22px;font-weight:700;margin-bottom:14px;line-height:1.4;}
.zigzag__text{color:var(--text-2);margin-bottom:22px;}
.list-check{display:grid;gap:12px;margin-bottom:24px;}
.list-check li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.75;}
.list-check li::before{content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;background:var(--primary);border-radius:2px;}
.list-check li b{color:var(--text);font-weight:600;}

/* ============ 自查清单 ============ */
.audit{background:var(--card-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.audit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.audit-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;position:relative;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);}
.audit-card:hover{transform:translateY(-2px);border-color:rgba(200,255,61,.3);box-shadow:var(--shadow-1),var(--shadow-2);}
.audit-card__idx{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--text-3);margin-bottom:12px;}
.audit-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.audit-card p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:14px;}
.audit-card__state{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--success);}
.audit-card__state.is-warn{color:var(--warn);}

/* ============ 横向卡片带 ============ */
.rail-wrap{position:relative;}
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 24px;scroll-snap-type:x mandatory;scrollbar-width:thin;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;}
.rail-card{flex:0 0 320px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);}
.rail-card:hover{transform:translateY(-2px);border-color:rgba(200,255,61,.3);box-shadow:var(--shadow-1),var(--shadow-2);}
.rail-card__thumb{height:170px;overflow:hidden;background:linear-gradient(140deg,rgba(122,92,255,.3),rgba(200,255,61,.14));}
.rail-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rail-card:hover .rail-card__thumb img{transform:scale(1.03);}
.rail-card__body{padding:20px;}
.rail-card__body h3{font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:8px;}
.rail-card__body p{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:14px;}
.rail-card__link{font-size:14px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.rail-card__link:hover{gap:10px;}
.rail-hint{font-size:13px;color:var(--text-3);}

/* ============ CTA 条 ============ */
.cta-band{background:linear-gradient(180deg,#131029 0%,#0B0A12 100%);border-top:1px solid var(--line);}
.cta-box{background:var(--card);border:1px solid rgba(200,255,61,.28);border-radius:var(--r-card);padding:44px;display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;box-shadow:var(--shadow-1);position:relative;overflow:hidden;}
.cta-box::before{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(122,92,255,.35),transparent 70%);}
.cta-box h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:12px;}
.cta-box p{color:var(--text-2);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{background:#07060D;border-top:1px solid rgba(200,255,61,.28);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:14px;line-height:1.8;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--primary);}
.footer-note{font-size:14px;color:var(--text-2);line-height:2;}
.footer-note strong{color:var(--text);font-weight:600;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;border-top:1px solid var(--line);margin-top:44px;padding-top:22px;font-size:13px;color:var(--text-3);}

/* ============ 浮动 CTA ============ */
.float-cta{position:fixed;right:26px;bottom:26px;z-index:130;display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:999px;background:var(--primary);color:#0B0A12;font-weight:700;font-size:15px;box-shadow:0 12px 30px rgba(200,255,61,.22);opacity:0;visibility:hidden;transform:translateY(14px);transition:all .25s var(--ease);}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{transform:translateY(-2px);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--pad-section:72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .metrics__grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .audit-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-box{grid-template-columns:1fr;padding:36px;}
}
@media (max-width:767px){
  :root{--pad-section:48px;}
  .container{padding:0 18px;}
  .brandbar__help{display:none;}
  .zigzag__row{grid-template-columns:1fr;gap:28px;}
  .zigzag__row.is-reverse .zigzag__media{order:0;}
  .zigzag__media img{height:250px;}
  .zigzag{gap:56px;}
  .metrics__grid{grid-template-columns:repeat(2,1fr);}
  .audit-grid{grid-template-columns:1fr;}
  .rail-card{flex:0 0 264px;}
  .float-cta{left:0;right:0;bottom:0;width:100%;justify-content:center;border-radius:0;height:60px;padding:0 18px calc(env(safe-area-inset-bottom,0px)) 18px;padding-bottom:calc(8px + env(safe-area-inset-bottom,0px));}
  body{padding-bottom:76px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:559px){
  h1.hero-title{font-size:27px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .logo__text{font-size:14px;}
  .metrics__grid{grid-template-columns:1fr;}
  .metric{border-left-width:2px;}
}