/* roulang page: index */
:root{
  --bg-0:#0A0D0F;
  --bg-1:#11171B;
  --bg-2:#182026;
  --line:#223038;
  --line-2:#2E3C44;
  --neon:#2BF5A8;
  --neon-2:#FF6A2B;
  --neg:#FF4D6D;
  --ink:#E8F0F0;
  --ink-2:#9FB0B6;
  --ink-3:#66787F;
  --r-card:14px;
  --r-btn:8px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(0,0,0,.45);
  --maxw:1240px;
  --mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg-0);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
::selection{background:rgba(43,245,168,.28);color:#fff;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;}

/* ---------- 容器与通用 ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.section{padding:88px 0;position:relative;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--bg-1);}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--neon);font-weight:600;margin-bottom:14px;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15px;max-width:60ch;line-height:1.9;}
.link-more{color:var(--neon);font-size:14.5px;font-weight:600;white-space:nowrap;border-bottom:1px solid rgba(43,245,168,.35);padding-bottom:2px;transition:all .18s ease;}
.link-more:hover{border-bottom-color:var(--neon);letter-spacing:.02em;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 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:1.2;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--neon);color:#06120C;border-color:var(--neon);}
.btn-primary:hover{background:#48FFB6;transform:translateY(-1px);box-shadow:0 8px 28px rgba(43,245,168,.35);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 10px rgba(43,245,168,.25);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2);}
.btn-ghost:hover{color:var(--neon);border-color:var(--neon);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  color:var(--neon);background:rgba(43,245,168,.1);border:1px solid rgba(43,245,168,.35);
  letter-spacing:.02em;line-height:1.7;
}
.badge--warm{color:var(--neon-2);background:rgba(255,106,43,.1);border-color:rgba(255,106,43,.35);}
.tag{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);font-size:13px;
  color:var(--ink-2);border:1px solid var(--line);background:var(--bg-2);transition:all .18s ease;
}
.tag:hover{color:var(--neon);border-color:rgba(43,245,168,.45);}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(10,13,15,.96);border-bottom:1px solid #1C262C;}
.header-topline{height:1px;background:linear-gradient(90deg,transparent 0%,rgba(43,245,168,.85) 22%,rgba(43,245,168,.35) 50%,rgba(43,245,168,.85) 78%,transparent 100%);opacity:.7;}
.nav-bar{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--neon),#12B37C);color:#06120C;
  font-family:var(--mono);font-size:12.5px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(43,245,168,.35),0 6px 18px rgba(43,245,168,.18);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;display:flex;align-items:center;height:64px;padding:0 13px;
  font-size:14.5px;color:var(--ink-2);border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease,text-shadow .18s ease;
}
.nav-link:hover{color:var(--ink);border-bottom-color:rgba(43,245,168,.4);}
.nav-link.is-active{color:var(--neon);border-bottom-color:var(--neon);text-shadow:0 0 12px rgba(43,245,168,.45);}
.nav-cta{margin-left:14px;padding:10px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  margin-left:auto;position:relative;background:var(--bg-2);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:3.5px auto;border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}
.nav-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:85;}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,15,.78) 0%,rgba(10,13,15,.82) 58%,var(--bg-0) 100%);}
.hero-lines{
  position:absolute;inset:0;pointer-events:none;opacity:.75;
  background-image:repeating-linear-gradient(180deg,rgba(43,245,168,.07) 0px,rgba(43,245,168,.07) 1px,transparent 1px,transparent 88px);
}
.hero-inner{position:relative;padding:92px 0 84px;}
.hero-text{max-width:660px;}
.hero h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.015em;}
.hero h1 .hl{
  color:var(--neon);text-shadow:0 0 22px rgba(43,245,168,.35);
}
.hero-sub{margin-top:20px;font-size:17.5px;color:var(--ink-2);line-height:1.85;max-width:56ch;}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero-strip{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px;}
.hero-strip .strip-item{min-width:120px;}
.hero-strip .strip-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--ink);}
.hero-strip .strip-label{font-size:13px;color:var(--ink-3);margin-top:2px;}

.hero-panel{
  background:rgba(17,23,27,.9);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 18px;box-shadow:var(--shadow);backdrop-filter:none;
}
.panel-head{display:flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.1em;color:var(--ink-2);text-transform:uppercase;margin-bottom:16px;}
.panel-head .dot{width:8px;height:8px;border-radius:50%;background:var(--neon);box-shadow:0 0 0 4px rgba(43,245,168,.15);animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.panel-list li{
  display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:12px;
  padding:11px 0;border-top:1px solid var(--line);font-size:14px;
}
.panel-list li:first-child{border-top:0;}
.pl-league{color:var(--ink-3);font-size:12.5px;}
.pl-teams{color:var(--ink);}
.pl-score{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:700;color:var(--neon);font-size:15px;}
.panel-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);display:flex;justify-content:space-between;align-items:center;}

/* ---------- 指标看板 ---------- */
.metric{
  height:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:24px 22px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.metric:hover{border-color:rgba(43,245,168,.45);box-shadow:0 8px 28px rgba(43,245,168,.16);transform:translateY(-2px);}
.metric-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:44px;font-weight:700;line-height:1.05;letter-spacing:-.02em;}
.metric-unit{font-size:15px;color:var(--ink-2);margin-left:5px;font-weight:500;font-family:"Noto Sans SC",sans-serif;}
.metric-name{font-size:14px;color:var(--ink-2);margin-top:10px;}
.delta{display:inline-flex;align-items:center;gap:5px;margin-top:16px;padding:2px 11px;border-radius:var(--r-pill);font-size:12.5px;font-family:var(--mono);font-weight:600;line-height:1.9;}
.delta.up{color:var(--neon);background:rgba(43,245,168,.1);border:1px solid rgba(43,245,168,.35);}
.delta.down{color:var(--neon-2);background:rgba(255,106,43,.1);border:1px solid rgba(255,106,43,.35);}
.delta.flat{color:var(--ink-2);background:rgba(159,176,182,.08);border:1px solid rgba(159,176,182,.25);}

/* ---------- 服务矩阵 ---------- */
.svc-main{
  position:relative;height:100%;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.svc-main:hover{border-color:rgba(43,245,168,.45);box-shadow:0 8px 28px rgba(43,245,168,.16);transform:translateY(-2px);}
.svc-main .svc-figure{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.svc-main .svc-figure img{width:100%;height:100%;object-fit:cover;opacity:.82;}
.svc-main .svc-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,15,.15) 0%,rgba(24,32,38,.95) 100%);}
.svc-main .svc-body{padding:26px 28px 28px;}
.svc-main h3{font-size:22px;font-weight:700;line-height:1.4;}
.svc-main p{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.9;}
.svc-list{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}

.svc-card{
  height:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 24px 22px;display:flex;flex-direction:column;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.svc-card:hover{border-color:rgba(43,245,168,.45);box-shadow:0 8px 28px rgba(43,245,168,.16);transform:translateY(-2px);}
.svc-card .svc-idx{font-family:var(--mono);font-size:13px;color:var(--neon);letter-spacing:.1em;}
.svc-card h3{font-size:18px;font-weight:700;margin-top:12px;line-height:1.5;}
.svc-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.85;flex:1 1 auto;}
.svc-card .svc-link{margin-top:18px;font-size:14px;color:var(--neon);font-weight:600;}
.svc-card .svc-link:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- 结果对比 ---------- */
.compare-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.compare-col{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;}
.compare-col.is-current{border-color:rgba(43,245,168,.4);box-shadow:0 8px 28px rgba(43,245,168,.12);}
.compare-col h3{font-size:18px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.compare-col.is-current h3{color:var(--neon);}
.compare-list li{position:relative;padding:11px 0 11px 22px;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.compare-list li:last-child{border-bottom:0;}
.compare-list li::before{content:"";position:absolute;left:0;top:20px;width:8px;height:2px;background:var(--ink-3);border-radius:2px;}
.compare-col.is-current .compare-list li{color:var(--ink);}
.compare-col.is-current .compare-list li::before{background:var(--neon);box-shadow:0 0 8px rgba(43,245,168,.6);}

.progress-block{margin-top:56px;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;}
.progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px;}
.progress-head h3{font-size:18px;font-weight:700;}
.progress-head span{font-size:13px;color:var(--ink-3);}
.prow{display:grid;grid-template-columns:180px 1fr 118px;align-items:center;gap:20px;padding:14px 0;border-top:1px solid var(--line);}
.prow:first-of-type{border-top:0;}
.prow-name{font-size:14.5px;color:var(--ink-2);}
.prow-track{height:8px;border-radius:var(--r-pill);background:#1B242A;overflow:hidden;}
.prow-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,rgba(43,245,168,.45),var(--neon));transition:width .6s ease;}
.prow-val{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;color:var(--neon);text-align:right;}

/* ---------- 资讯列表（CMS） ---------- */
.card-grid{margin-bottom:-28px;}
.card-grid > .cell{margin-bottom:28px;}
.news-card{
  height:100%;display:flex;flex-direction:column;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.news-card:hover{border-color:rgba(43,245,168,.45);box-shadow:0 8px 28px rgba(43,245,168,.16);transform:translateY(-2px);}
.news-thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-title{font-size:17.5px;font-weight:700;line-height:1.6;margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--neon);text-decoration:underline;text-underline-offset:4px;}
.news-excerpt{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1 1 auto;}
.news-meta{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
.empty-state{
  max-width:480px;margin:0 auto;text-align:center;padding:52px 28px;border:1px dashed var(--line);
  border-radius:var(--r-card);background:var(--bg-1);
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px 20px 18px;min-height:56px;font-size:16.5px;font-weight:600;line-height:1.7;
  border-left:3px solid var(--line);transition:border-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--neon);}
.faq-item[open] summary{border-left-color:var(--neon);color:var(--neon);}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-2);border-radius:2px;transition:transform .25s ease,background .25s ease;}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] .faq-icon::before{background:var(--neon);}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);background:var(--neon);}
.faq-answer{padding:0 4px 26px 21px;font-size:15.5px;line-height:1.9;color:var(--ink-2);max-width:70ch;}

/* ---------- 转化表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:start;}
.contact-copy h2{font-size:28px;line-height:1.35;font-weight:700;}
.contact-copy > p{margin-top:16px;color:var(--ink-2);font-size:15.5px;line-height:1.95;max-width:52ch;}
.point-list{margin-top:28px;}
.point-list li{display:flex;gap:12px;padding:10px 0;font-size:15px;color:var(--ink);line-height:1.8;align-items:flex-start;}
.point-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:11px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(43,245,168,.6);}
.contact-meta{margin-top:30px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:26px;}
.contact-meta div{font-size:14px;color:var(--ink-2);}
.contact-meta strong{display:block;color:var(--ink);font-size:15px;font-weight:600;margin-bottom:4px;}

.form-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--shadow);}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;}
.form-row .req{color:var(--neon-2);margin-left:4px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;background:var(--bg-0);border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;height:48px;font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;
}
.form-row textarea{height:auto;padding:12px 14px;line-height:1.8;resize:vertical;min-height:104px;}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--ink-3);}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(43,245,168,.18);
}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);line-height:1.8;margin-bottom:20px;}
.form-check input{appearance:none;width:18px;height:18px;flex:0 0 auto;margin-top:4px;border:1px solid var(--line-2);border-radius:5px;background:var(--bg-0);cursor:pointer;position:relative;transition:all .18s ease;}
.form-check input:checked{background:var(--neon);border-color:var(--neon);}
.form-check input:checked::after{content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;border:solid #06120C;border-width:0 2px 2px 0;transform:rotate(45deg);}
.form-actions{display:flex;justify-content:flex-end;}
.form-note{margin-top:14px;font-size:12.5px;color:var(--ink-3);text-align:right;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);position:relative;}
.footer-topline{height:1px;background:linear-gradient(90deg,transparent 0%,rgba(43,245,168,.8) 30%,rgba(43,245,168,.2) 70%,transparent 100%);opacity:.65;}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding:64px 0 44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.95;max-width:38ch;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.04em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--ink-2);display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.footer-col .meta-line{font-size:14px;color:var(--ink-2);line-height:1.95;}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;}
.footer-bottom p{font-size:13px;color:var(--ink-3);}
.footer-bottom .fb-links{display:flex;gap:20px;}
.footer-bottom .fb-links a{font-size:13px;color:var(--ink-3);}
.footer-bottom .fb-links a:hover{color:var(--neon);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:block;}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(330px,86vw);
    background:var(--bg-1);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;margin-left:0;
    padding:84px 20px 32px;overflow-y:auto;z-index:88;
    transform:translateX(102%);transition:transform .26s ease;box-shadow:-20px 0 50px rgba(0,0,0,.5);
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{height:auto;padding:15px 6px;font-size:15.5px;border-bottom:1px solid var(--line);border-left:2px solid transparent;}
  .nav-link:hover{border-bottom-color:var(--line);}
  .nav-link.is-active{border-bottom-color:var(--line);border-left-color:var(--neon);padding-left:14px;text-shadow:none;}
  .nav-cta{margin:22px 0 0;width:100%;}
  .hero-inner{padding:72px 0 64px;}
  .hero h1{font-size:34px;}
  .compare-cols{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:30px;padding:52px 0 36px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section--tight{padding:44px 0;}
  .section-head{margin-bottom:30px;}
  .section-head h2{font-size:23px;}
  .brand-name{font-size:15.5px;}
  .hero-bg::after{background:linear-gradient(180deg,rgba(10,13,15,.86) 0%,rgba(10,13,15,.88) 60%,var(--bg-0) 100%);}
  .hero-inner{padding:56px 0 52px;}
  .hero h1{font-size:28px;line-height:1.3;}
  .hero-sub{font-size:15.5px;margin-top:16px;}
  .hero-actions{margin-top:26px;gap:12px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-strip{gap:22px;margin-top:32px;padding-top:20px;}
  .hero-strip .strip-item{min-width:calc(50% - 12px);}
  .metric-num{font-size:36px;}
  .progress-block{padding:22px 18px;}
  .prow{grid-template-columns:1fr;gap:8px;padding:16px 0;}
  .prow-val{text-align:left;}
  .progress-head{flex-direction:column;align-items:flex-start;gap:6px;}
  .compare-col{padding:22px 20px;}
  .form-card{padding:24px 20px;}
  .form-actions{justify-content:stretch;}
  .form-actions .btn{width:100%;}
  .form-note{text-align:left;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-answer{padding-left:19px;}
}
@media (max-width:520px){
  .hero h1{font-size:25px;}
  .metric-num{font-size:32px;}
  .svc-main h3{font-size:19px;}
  .svc-card{padding:20px 18px;}
  .news-body{padding:18px 18px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0D0F;
  --bg-1:#11171B;
  --bg-2:#182026;
  --line:#223038;
  --line-2:#2E3C44;
  --neon:#2BF5A8;
  --neon-2:#FF6A2B;
  --neg:#FF4D6D;
  --ink:#E8F0F0;
  --ink-2:#9FB0B6;
  --ink-3:#66787F;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-tile:12px;
  --shadow-card:0 8px 24px rgba(0,0,0,.45);
  --shadow-hover:0 8px 28px rgba(43,245,168,.16);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--neon);
  outline-offset:2px;
  border-radius:4px;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
.section{padding:88px 0;}
.section--tight{padding:60px 0;}
.section--alt{background:var(--bg-1);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--neon);
  font-weight:700;
  margin-bottom:14px;
}
.section-title{font-size:28px;line-height:1.35;margin-bottom:14px;}
.section-desc{color:var(--ink-2);font-size:16px;line-height:1.9;max-width:44em;}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,13,15,.92);
  border-bottom:1px solid #1C262C;
  backdrop-filter:saturate(140%) blur(6px);
}
.header-topline{
  height:1px;
  background:linear-gradient(90deg,rgba(43,245,168,0),rgba(43,245,168,.85),rgba(255,106,43,.6),rgba(43,245,168,0));
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--neon),#12b57b);
  color:#06120C;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:14px;
  letter-spacing:.02em;
}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--ink-2);
  border-bottom:2px solid transparent;
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);border-bottom-color:rgba(43,245,168,.4);}
.nav-link.is-active{
  color:var(--neon);
  border-bottom-color:var(--neon);
  text-shadow:0 0 12px rgba(43,245,168,.45);
}
.nav-cta{margin-left:12px;padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;height:40px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:8px;
  padding:0;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  margin:3px auto;
  background:var(--ink);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  border:1px solid transparent;
  transition:all .18s ease;
  text-align:center;
}
.btn-primary{
  background:var(--neon);
  color:#06120C;
  box-shadow:0 6px 18px rgba(43,245,168,.22);
}
.btn-primary:hover{
  background:#4bffbb;
  transform:translateY(-1px);
  box-shadow:0 10px 26px rgba(43,245,168,.32);
  color:#06120C;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(43,245,168,.2);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line-2);
}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-block{width:100%;}
/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--neon);}
.breadcrumb .sep{color:var(--ink-3);}
.breadcrumb .current{color:var(--ink-3);}
/* ---------- hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
}
.page-hero .hero-media{
  position:absolute;
  inset:0;
  z-index:0;
}
.page-hero .hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.page-hero .hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,13,15,.78),rgba(10,13,15,.92)),
             linear-gradient(90deg,rgba(43,245,168,.10),rgba(255,106,43,.06));
}
.page-hero .hero-lines{
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(43,245,168,.07) 0 1px,transparent 1px 64px);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:78px 20px 72px;
}
.hero-grid{
  display:flex;
  gap:44px;
  align-items:flex-start;
}
.hero-copy{flex:1 1 auto;min-width:0;}
.hero-copy h1{
  font-size:40px;
  line-height:1.25;
  margin-bottom:18px;
  max-width:18em;
}
.hero-copy h1 .hl{color:var(--neon);}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:40em;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:13.5px;
  color:var(--ink-2);
}
.hero-facts li{display:flex;align-items:center;gap:8px;}
.hero-facts i{color:var(--neon);font-size:12px;}
.hero-side{
  flex:0 0 372px;
  max-width:372px;
}
.hero-figure{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure figcaption{
  padding:12px 16px;
  font-size:13px;
  color:var(--ink-3);
  border-top:1px solid var(--line);
}
/* ---------- metric tiles ---------- */
.tile-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.tile{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-tile);
  padding:24px;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.tile:hover{
  border-color:rgba(43,245,168,.45);
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
}
.tile-value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:44px;
  line-height:1.1;
  color:var(--ink);
  display:flex;
  align-items:baseline;
  gap:6px;
}
.tile-value small{font-size:15px;color:var(--ink-2);font-weight:400;font-family:var(--font-sans);}
.tile-name{margin-top:10px;font-size:14px;color:var(--ink-2);}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border-radius:999px;
  font-size:12.5px;
  line-height:1.7;
  border:1px solid rgba(43,245,168,.35);
  background:rgba(43,245,168,.1);
  color:var(--neon);
}
.badge--orange{
  border-color:rgba(255,106,43,.4);
  background:rgba(255,106,43,.1);
  color:var(--neon-2);
}
.badge--muted{
  border-color:var(--line-2);
  background:rgba(255,255,255,.03);
  color:var(--ink-2);
}
.tile .badge{margin-top:14px;}
/* ---------- checklist flow ---------- */
.flow-list{
  border-top:1px solid var(--line);
}
.flow-item{
  display:flex;
  gap:26px;
  padding:28px 4px 28px 22px;
  border-bottom:1px solid var(--line);
  border-left:2px solid var(--line);
  transition:border-color .18s ease,background-color .18s ease;
}
.flow-item:hover{
  border-left-color:var(--neon);
  background:rgba(43,245,168,.035);
}
.flow-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:700;
  color:var(--neon);
  flex:0 0 56px;
  line-height:1.5;
}
.flow-body{flex:1 1 auto;min-width:0;}
.flow-body h3{font-size:20px;margin-bottom:10px;}
.flow-body p{color:var(--ink-2);font-size:15.5px;line-height:1.9;max-width:52em;}
.flow-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:12px;
  font-size:14px;
  color:var(--neon);
  border-bottom:1px solid rgba(43,245,168,.35);
  padding-bottom:2px;
}
.flow-link:hover{color:#7bffc9;border-bottom-color:#7bffc9;}
/* ---------- split block ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.split-figure{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-list{margin-top:22px;display:grid;gap:12px;}
.split-list li{
  display:flex;
  gap:12px;
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.8;
}
.split-list i{color:var(--neon);margin-top:8px;font-size:12px;}
/* ---------- table ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow-x:auto;
  background:var(--bg-2);
}
table.data-table{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:14.5px;
}
table.data-table caption{
  text-align:left;
  padding:18px 22px 0;
  color:var(--ink-3);
  font-size:13px;
}
table.data-table th,
table.data-table td{
  padding:15px 22px;
  text-align:left;
  border-bottom:1px solid var(--line);
  line-height:1.7;
  vertical-align:top;
}
table.data-table thead th{
  font-size:13px;
  letter-spacing:.06em;
  color:var(--neon);
  text-transform:uppercase;
  background:rgba(43,245,168,.05);
  white-space:nowrap;
}
table.data-table tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
table.data-table tbody tr:hover{background:rgba(43,245,168,.05);}
table.data-table tbody td:first-child{color:var(--ink);font-weight:700;}
table.data-table tbody td{color:var(--ink-2);}
/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:56px;
  padding:16px 16px 16px 20px;
  font-size:16.5px;
  font-weight:700;
  border-left:3px solid var(--line);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--neon);border-left-color:rgba(43,245,168,.5);}
.faq-item[open] summary{border-left-color:var(--neon);color:var(--neon);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line-2);
  border-radius:50%;
  font-size:14px;
  color:var(--ink-2);
  transition:transform .25s ease,color .18s ease,border-color .18s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--neon);border-color:rgba(43,245,168,.5);}
.faq-answer{
  padding:0 24px 24px 23px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:70ch;
}
/* ---------- cta + form ---------- */
.cta-band{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,460px);
  gap:48px;
  align-items:start;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:linear-gradient(135deg,rgba(43,245,168,.07),rgba(255,106,43,.04)),var(--bg-1);
  padding:44px;
}
.cta-band h2{font-size:28px;margin-bottom:14px;}
.cta-band p.lead{color:var(--ink-2);font-size:16px;line-height:1.9;margin-bottom:22px;}
.cta-points{display:grid;gap:12px;}
.cta-points li{display:flex;gap:12px;color:var(--ink-2);font-size:15.5px;}
.cta-points i{color:var(--neon);margin-top:8px;font-size:12px;}
.contact-line{
  margin-top:26px;
  padding-top:20px;
  border-top:1px dashed var(--line-2);
  font-size:14px;
  color:var(--ink-2);
  display:grid;
  gap:8px;
}
.form-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-card);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-note{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:14px;
  color:var(--ink-2);
  margin-bottom:8px;
}
.field .req{color:var(--neon-2);margin-left:4px;}
.field input,
.field select,
.field textarea{
  width:100%;
  background:var(--bg-0);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--ink);
  font-size:15px;
  font-family:inherit;
  padding:12px 14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input,.field select{height:48px;padding:0 14px;}
.field textarea{resize:vertical;min-height:104px;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--neon);
  box-shadow:0 0 0 3px rgba(43,245,168,.18);
  outline:none;
}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--neg);}
.field .err-msg{display:none;font-size:12px;color:var(--neg);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);margin:6px 0 20px;}
.checkbox-row input{width:16px;height:16px;margin-top:6px;accent-color:var(--neon);}
.form-actions{display:flex;justify-content:flex-end;}
.form-alert{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(43,245,168,.4);
  background:rgba(43,245,168,.08);
  color:var(--neon);
  font-size:14px;
}
.form-alert.is-visible{display:block;}
/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  margin-top:24px;
}
.footer-topline{
  height:1px;
  background:linear-gradient(90deg,rgba(43,245,168,0),rgba(43,245,168,.7),rgba(43,245,168,0));
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding:56px 0 40px;
}
.footer-brand p{color:var(--ink-2);font-size:14.5px;line-height:1.9;margin-top:16px;max-width:34em;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink);}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a,
.footer-col .meta-line{font-size:14px;color:var(--ink-2);}
.footer-col li a{display:inline-block;}
.footer-col li a:hover{color:var(--neon);transform:translateX(2px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--ink-3);
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{color:var(--ink-3);}
.fb-links a:hover{color:var(--neon);}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{flex-direction:column;}
  .hero-side{flex:0 0 auto;max-width:100%;width:100%;}
  .hero-copy h1{font-size:34px;}
  .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:minmax(0,1fr);gap:32px;}
  .cta-band{grid-template-columns:minmax(0,1fr);gap:32px;padding:32px;}
  .footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
}
@media (max-width:900px){
  .nav-toggle{display:block;}
  .main-nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(320px,86vw);
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:84px 20px 28px;
    transform:translateX(100%);
    transition:transform .26s ease;
    overflow-y:auto;
    z-index:80;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:14px 10px;border-bottom:1px solid var(--line);font-size:16px;}
  .nav-link.is-active{border-bottom-color:var(--neon);}
  .nav-cta{margin:18px 0 0;width:100%;}
  .nav-mask{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.6);
    opacity:0;
    pointer-events:none;
    transition:opacity .26s ease;
    z-index:70;
  }
  .nav-mask.is-open{opacity:1;pointer-events:auto;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section--tight{padding:40px 0;}
  .container{padding:0 16px;}
  .hero-inner{padding:44px 16px 48px;}
  .hero-copy h1{font-size:28px;}
  .hero-lead{font-size:15.5px;}
  .section-title{font-size:23px;}
  .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .tile{padding:18px;}
  .tile-value{font-size:32px;}
  .flow-item{flex-direction:column;gap:10px;padding:22px 16px;}
  .flow-num{flex:0 0 auto;font-size:18px;}
  .cta-band{padding:22px;}
  .form-card{padding:20px;}
  .form-actions{justify-content:stretch;}
  .footer-main{grid-template-columns:minmax(0,1fr);gap:26px;padding:40px 0 28px;}
  .page-hero .hero-media::after{background:linear-gradient(180deg,rgba(10,13,15,.86),rgba(10,13,15,.94));}
}

/* roulang page: article */
:root{
  --bg-0:#0A0D0F;
  --bg-1:#11171B;
  --bg-2:#182026;
  --line:#223038;
  --line-2:#2E3C44;
  --neon:#2BF5A8;
  --neon-rgb:43,245,168;
  --neon-2:#FF6A2B;
  --neg:#FF4D6D;
  --ink:#E8F0F0;
  --ink-2:#9FB0B6;
  --ink-3:#66787F;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,.45);
  --shadow-glow:0 8px 28px rgba(43,245,168,.16);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color 180ms ease,border-color 180ms ease;}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
::selection{background:rgba(43,245,168,.28);color:#fff;}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.section{padding:84px 0;}
.section-tight{padding:56px 0;}
.sec-label{
  display:inline-block;
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--neon);
  margin-bottom:14px;
  font-weight:700;
}
.sec-title{font-size:28px;line-height:1.35;letter-spacing:.01em;}
.sec-desc{color:var(--ink-2);font-size:15px;max-width:640px;margin-top:12px;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.link-more{
  font-size:14px;
  color:var(--neon);
  border-bottom:1px solid rgba(43,245,168,.35);
  padding-bottom:2px;
  white-space:nowrap;
}
.link-more:hover{border-bottom-color:var(--neon);color:#7dffcd;}

/* ---------- 顶部霓虹线 + 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(10,13,15,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid #1C262C;
}
.header-topline{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,245,168,.9),transparent);
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:64px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--neon),#0E9E6A);
  color:#06120C;
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(43,245,168,.35);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  font-size:14.5px;
  color:var(--ink-2);
  padding:20px 12px;
  border-bottom:2px solid transparent;
  transition:color 180ms ease,border-color 180ms ease;
}
.nav-link:hover{color:var(--ink);border-bottom-color:rgba(43,245,168,.45);}
.nav-link.is-active{
  color:var(--neon);
  border-bottom-color:var(--neon);
  text-shadow:0 0 12px rgba(43,245,168,.45);
}
.nav-cta{margin-left:14px;padding:11px 20px;font-size:14px;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;height:42px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:8px;
  cursor:pointer;
  padding:0 11px;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform 200ms ease,opacity 200ms ease;}
.nav-toggle:focus-visible{outline:2px solid var(--neon);outline-offset:2px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  padding:14px 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background 180ms ease,color 180ms ease,border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
}
.btn:focus-visible{outline:2px solid var(--neon);outline-offset:2px;}
.btn-primary{background:var(--neon);color:#06120C;}
.btn-primary:hover{background:#4EFFB9;transform:translateY(-1px);box-shadow:0 10px 26px rgba(43,245,168,.28);color:#06120C;}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--ink);}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:700;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(43,245,168,.35);
  background:rgba(43,245,168,.1);
  color:var(--neon);
  line-height:1.5;
}
.badge-warn{
  border-color:rgba(255,106,43,.4);
  background:rgba(255,106,43,.1);
  color:var(--neon-2);
}
.badge-mute{
  border-color:var(--line-2);
  background:rgba(255,255,255,.03);
  color:var(--ink-2);
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;
  padding:48px 0 52px;
  background-image:linear-gradient(180deg,rgba(10,13,15,.80),rgba(10,13,15,.94)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,245,168,.55),transparent);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--neon);}
.breadcrumb .sep{color:var(--line-2);}
.breadcrumb .current{color:var(--ink-3);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.25;
  letter-spacing:.01em;
  max-width:900px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:22px;
  font-size:13.5px;
  color:var(--ink-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-2);}
.article-meta .mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ---------- 文章布局 ---------- */
.article-layout{padding:56px 0 0;}
.article-main{max-width:840px;}
.article-body{
  font-size:17px;
  line-height:1.95;
  color:#D9E4E4;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:28px;
  line-height:1.35;
  margin:48px 0 18px;
  padding-left:16px;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  background:var(--neon);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.5;margin:32px 0 12px;}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body a{color:var(--neon);border-bottom:1px solid rgba(43,245,168,.4);}
.article-body a:hover{border-bottom-color:var(--neon);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li{line-height:1.9;margin-bottom:.42em;}
.article-body strong{color:#fff;}
.article-body blockquote{
  margin:28px 0;
  padding:16px 22px;
  background:#11171B;
  border-left:3px solid var(--neon-2);
  border-radius:0 10px 10px 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px 0;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:#9FB0B6;text-align:center;margin-top:8px;}
.article-body .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:26px 0;-webkit-overflow-scrolling:touch;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:rgba(43,245,168,.06);color:var(--ink);font-weight:700;white-space:nowrap;}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body code{font-family:var(--mono);background:#11171B;padding:2px 6px;border-radius:6px;font-size:14.5px;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.article-body .inline-cta{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin:34px 0;padding:22px 26px;
  background:linear-gradient(120deg,rgba(43,245,168,.10),rgba(17,23,27,.9));
  border:1px solid rgba(43,245,168,.3);
  border-radius:14px;
}
.article-body .info-card{
  margin:26px 0;padding:22px 26px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-left:3px solid var(--neon-2);
  border-radius:0 14px 14px 0;
}

/* ---------- 内嵌 CTA ---------- */
.inline-cta-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  flex-wrap:wrap;
  margin:44px 0 0;
  padding:24px 28px;
  background:linear-gradient(120deg,rgba(43,245,168,.10),rgba(17,23,27,.92));
  border:1px solid rgba(43,245,168,.3);
  border-radius:var(--radius-card);
}
.inline-cta-bar h3{font-size:18px;margin-bottom:6px;}
.inline-cta-bar p{color:var(--ink-2);font-size:14px;margin:0;}

/* ---------- 侧栏目录 ---------- */
.toc-column{display:block;}
.toc-card{
  position:sticky;
  top:92px;
  padding:24px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
}
.toc-card h4{
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--neon);
  margin-bottom:16px;
}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
  padding:7px 0 7px 12px;
  border-left:2px solid var(--line);
  transition:color 180ms ease,border-color 180ms ease,padding-left 180ms ease;
}
.toc-list a:hover{color:var(--neon);border-left-color:var(--neon);padding-left:16px;}
.toc-note{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);line-height:1.8;
}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:480px;
  margin:0 auto;
  padding:56px 28px;
  text-align:center;
  background:var(--bg-1);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
}
.empty-state i{font-size:26px;color:var(--ink-3);margin-bottom:16px;display:block;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:14.5px;margin-bottom:24px;}

/* ---------- 文末标签 ---------- */
.article-foot{
  margin-top:52px;
  padding-top:32px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  flex-wrap:wrap;
}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  height:100%;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform 200ms ease,border-color 200ms ease,box-shadow 200ms ease;
}
.card:hover{
  transform:translateY(-2px);
  border-color:rgba(43,245,168,.45);
  box-shadow:var(--shadow-glow),var(--shadow-card);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#141C21,#0C1114);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px 24px 24px;}
.card-body h3{
  font-size:17px;
  line-height:1.55;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card:hover .card-body h3{color:var(--neon);}
.card-body p{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.8;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:56px;
  padding:18px 0 18px 16px;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  border-left:3px solid var(--line);
  transition:border-color 200ms ease,color 200ms ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--neon);}
.faq-item summary::after{
  content:"+";
  font-family:var(--mono);
  font-size:20px;
  color:var(--neon);
  transition:transform 200ms ease;
  flex:0 0 auto;
  padding-right:4px;
}
.faq-item[open] summary{border-left-color:var(--neon);color:var(--neon);}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-answer{
  padding:0 0 22px 16px;
  max-width:66ch;
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.9;
}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- 咨询表单 ---------- */
.contact-section{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.contact-left h2{font-size:28px;line-height:1.35;margin-bottom:16px;}
.contact-left p{color:var(--ink-2);font-size:15px;}
.contact-points{margin:26px 0 28px;}
.contact-points li{
  position:relative;
  padding-left:28px;
  margin-bottom:12px;
  font-size:15px;
  color:var(--ink-2);
}
.contact-points li::before{
  content:"";
  position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 10px rgba(43,245,168,.6);
}
.contact-info{
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--ink-2);
}
.contact-info .meta-line{margin-bottom:8px;}
.form-card{
  padding:28px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;}
.field .req{color:var(--neon-2);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;
  background:var(--bg-0);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--ink);
  font-family:inherit;
  font-size:15px;
  padding:0 14px;
  height:48px;
  transition:border-color 180ms ease,box-shadow 180ms ease;
}
.field textarea{height:auto;padding:12px 14px;line-height:1.8;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9FB0B6 50%),linear-gradient(135deg,#9FB0B6 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--neon);
  box-shadow:0 0 0 3px rgba(43,245,168,.18);
}
.field.has-error input,.field.has-error textarea{border-color:var(--neg);}
.field .err{display:none;font-size:12px;color:var(--neg);margin-top:6px;}
.field.has-error .err{display:block;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);margin-bottom:20px;}
.checkbox-row input{width:16px;height:16px;margin-top:4px;accent-color:#2BF5A8;flex:0 0 auto;}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:14px;text-align:center;}
.form-success{
  display:none;
  margin-bottom:16px;
  padding:12px 16px;
  font-size:14px;
  color:var(--neon);
  background:rgba(43,245,168,.1);
  border:1px solid rgba(43,245,168,.35);
  border-radius:var(--radius-btn);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  margin-top:0;
}
.footer-topline{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,245,168,.75),transparent);
}
.footer-main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 48px;
}
.footer-brand p{color:var(--ink-2);font-size:14px;line-height:1.9;margin-top:16px;max-width:34ch;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--ink);}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--ink-2);display:inline-block;transition:color 180ms ease,transform 180ms ease;}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.footer-col .meta-line{font-size:14px;color:var(--ink-2);line-height:1.85;margin:0;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid var(--line);
}
.footer-bottom p{font-size:13px;color:var(--ink-3);margin:0;}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a{font-size:13px;color:var(--ink-3);}
.fb-links a:hover{color:var(--neon);}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .article-main{max-width:100%;}
}
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(320px,86vw);
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:86px 22px 32px;
    transform:translateX(105%);
    transition:transform 280ms ease;
    z-index:100;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:14px 4px;border-bottom:1px solid var(--line);font-size:15.5px;}
  .nav-link:hover{border-bottom-color:var(--line-2);}
  .nav-link.is-active{border-bottom-color:var(--neon);}
  .nav-cta{margin:20px 0 0;width:100%;padding:14px 20px;}
  body.nav-open::after{
    content:"";
    position:fixed;inset:0;
    background:rgba(0,0,0,.6);
    z-index:95;
  }
  .toc-column{display:none;}
  .section{padding:64px 0;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px;}
  .article-layout{padding:40px 0 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-bar{height:56px;}
  .brand-name{font-size:16px;}
  .section{padding:48px 0;}
  .sec-title{font-size:24px;}
  .article-hero{padding:36px 0 40px;}
  .article-hero h1{font-size:26px;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
  .article-body{font-size:16px;line-height:1.95;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:18px;}
  .inline-cta-bar{padding:20px;flex-direction:column;align-items:flex-start;}
  .inline-cta-bar .btn{width:100%;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:15.5px;}
  .footer-main{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  .form-card{padding:22px 18px;}
  .article-body h2{padding-left:12px;}
  .card-body{padding:18px 18px 20px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#0A0D0F;
  --bg-1:#11171B;
  --bg-2:#182026;
  --line:#223038;
  --line-2:#2E3C44;
  --neon:#2BF5A8;
  --neon-2:#FF6A2B;
  --neg:#FF4D6D;
  --ink:#E8F0F0;
  --ink-2:#9FB0B6;
  --ink-3:#66787F;
  --r-card:14px;
  --r-btn:8px;
  --r-badge:999px;
  --shadow:0 8px 24px rgba(0,0,0,.45);
  --glow:0 8px 28px rgba(43,245,168,.16);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color 180ms ease,border-color 180ms ease,background-color 180ms ease,transform 180ms ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--neon);
  outline-offset:2px;
}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(10,13,15,.94);
  border-bottom:1px solid #1C262C;
}
.header-topline{
  height:1px;
  background:linear-gradient(90deg,rgba(43,245,168,0) 0%,rgba(43,245,168,.9) 50%,rgba(43,245,168,0) 100%);
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:64px;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:9px;
  border:1px solid rgba(43,245,168,.45);
  background:rgba(43,245,168,.1);
  color:var(--neon);
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
}
.brand:hover .brand-name{color:var(--neon);}
.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink-2);
  padding:6px 0;
  border-bottom:2px solid transparent;
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);border-bottom-color:rgba(43,245,168,.4);}
.nav-link.is-active{
  color:var(--neon);
  border-bottom-color:var(--neon);
  text-shadow:0 0 12px rgba(43,245,168,.45);
}
.nav-cta{padding:9px 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line-2);
  background:transparent;
  border-radius:var(--r-btn);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform 180ms ease,opacity 180ms ease;}
.nav-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:70;
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  padding:12px 24px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color 180ms ease,color 180ms ease,border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
}
.btn-primary{
  background:var(--neon);
  color:#06120C;
  box-shadow:0 6px 18px rgba(43,245,168,.18);
}
.btn-primary:hover{background:#4BF7B6;transform:translateY(-1px);box-shadow:0 10px 26px rgba(43,245,168,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(43,245,168,.2);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line-2);
}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--neon);font-weight:600;
}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- badges / labels ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:var(--r-badge);
  font-size:12px;
  line-height:1.6;
  letter-spacing:.04em;
  border:1px solid rgba(43,245,168,.35);
  background:rgba(43,245,168,.1);
  color:var(--neon);
  white-space:nowrap;
}
.badge.is-orange{
  border-color:rgba(255,106,43,.38);
  background:rgba(255,106,43,.12);
  color:var(--neon-2);
}
.eyebrow{
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--neon);
  font-weight:600;
}
.eyebrow.is-orange{color:var(--neon-2);}

/* ---------- breadcrumb ---------- */
.crumbs{
  font-size:13px;
  color:var(--ink-3);
  padding:20px 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--neon);}
.crumbs .sep{color:var(--ink-3);}
.crumbs .cur{color:var(--ink-3);}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  filter:saturate(.9);
}
.page-hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,15,.74) 0%,rgba(10,13,15,.86) 100%);
}
.page-hero-lines{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(43,245,168,.09) 0 1px,transparent 1px 92px);
  opacity:.5;
  pointer-events:none;
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:56px 0 68px;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
}
.page-hero h1{
  font-size:38px;
  line-height:1.26;
  font-weight:700;
  letter-spacing:.01em;
  margin:16px 0 18px;
  color:#FFFFFF;
}
.page-hero p.lede{
  font-size:16px;
  line-height:1.95;
  color:#C6D3D6;
  max-width:44em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{
  background:rgba(17,23,27,.82);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow);
}
.hero-facts h2{
  font-size:14px;
  letter-spacing:.1em;
  color:var(--ink-2);
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:16px;
}
.fact-row{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
}
.fact-row:last-child{border-bottom:0;padding-bottom:0;}
.fact-row .lbl{font-size:14px;color:var(--ink-2);}
.fact-row .val{font-size:20px;font-weight:700;color:var(--neon);}
.fact-row .val.is-orange{color:var(--neon-2);}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.is-tight{padding:64px 0;}
.section.is-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  margin:12px 0 14px;
}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.9;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- metric strip ---------- */
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.metric-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:12px;
  padding:24px;
  box-shadow:var(--shadow);
  transition:border-color 180ms ease,box-shadow 180ms ease,transform 180ms ease;
}
.metric-card:hover{border-color:rgba(43,245,168,.45);box-shadow:var(--glow);transform:translateY(-2px);}
.metric-card .num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:42px;
  font-weight:700;
  line-height:1.1;
  color:var(--ink);
  letter-spacing:-.01em;
}
.metric-card .num small{font-size:16px;color:var(--ink-2);margin-left:4px;font-weight:500;}
.metric-card .name{font-size:14px;color:var(--ink-2);margin-top:10px;}
.metric-card .trend{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;font-size:12px;padding:3px 10px;border-radius:var(--r-badge);
}
.trend.up{color:var(--neon);background:rgba(43,245,168,.1);border:1px solid rgba(43,245,168,.3);}
.trend.flat{color:var(--ink-2);background:rgba(102,120,127,.14);border:1px solid var(--line-2);}
.trend.down{color:var(--neon-2);background:rgba(255,106,43,.12);border:1px solid rgba(255,106,43,.32);}

/* ---------- alternating blocks ---------- */
.alt-block{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:52px;
  align-items:center;
}
.alt-block + .alt-block{margin-top:84px;}
.alt-block.is-reverse .alt-media{order:2;}
.alt-block.is-reverse .alt-text{order:1;}
.alt-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--bg-2);
}
.alt-media .frame{position:relative;padding-top:62%;}
.alt-media img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
}
.alt-text h3{
  font-size:24px;
  line-height:1.4;
  font-weight:700;
  margin:14px 0 14px;
}
.alt-text p{color:var(--ink-2);line-height:1.95;font-size:16px;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink);line-height:1.8;
}
.check-list li i{color:var(--neon);font-size:14px;margin-top:6px;}
.alt-text .link-more{margin-top:22px;}

/* ---------- chips ---------- */
.chip-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.chip{
  padding:8px 16px;
  border-radius:var(--r-badge);
  border:1px solid var(--line-2);
  background:var(--bg-1);
  font-size:14px;
  color:var(--ink-2);
}
.chip:hover{border-color:var(--neon);color:var(--neon);}

/* ---------- flow ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:flow;
}
.flow-item{
  position:relative;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow);
  transition:border-color 180ms ease,box-shadow 180ms ease;
}
.flow-item:hover{border-color:rgba(43,245,168,.45);box-shadow:var(--glow);}
.flow-item::before{
  counter-increment:flow;
  content:"0" counter(flow);
  display:block;
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--neon);
  letter-spacing:.14em;
  margin-bottom:14px;
}
.flow-item h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.flow-item p{font-size:14px;color:var(--ink-2);line-height:1.85;}

/* ---------- coverage list ---------- */
.cover-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.cover-item{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-left:2px solid var(--neon);
  border-radius:12px;
  padding:24px;
}
.cover-item h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.cover-item p{font-size:14px;color:var(--ink-2);line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-left:3px solid var(--line);
  border-radius:12px;
  transition:border-color 180ms ease,background-color 180ms ease;
}
.faq-item[open]{border-left-color:var(--neon);background:var(--bg-2);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .ico{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line-2);
  color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:transform 200ms ease,color 180ms ease,border-color 180ms ease;
}
.faq-item[open] summary .ico{transform:rotate(180deg);color:var(--neon);border-color:rgba(43,245,168,.45);}
.faq-answer{
  padding:0 22px 22px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:70ch;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,rgba(43,245,168,.09) 0%,rgba(255,106,43,.07) 100%),var(--bg-1);
  border:1px solid var(--line);
  border-radius:18px;
  padding:48px;
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
  gap:36px;
  align-items:center;
}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:14px;}
.cta-band p{color:var(--ink-2);font-size:16px;line-height:1.9;max-width:52ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:0;}
.footer-topline{
  height:1px;
  background:linear-gradient(90deg,rgba(43,245,168,0) 0%,rgba(43,245,168,.75) 50%,rgba(43,245,168,0) 100%);
}
.footer-main{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding:60px 0 44px;
}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.9;margin-top:16px;max-width:34ch;}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:var(--ink);margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--ink-2);display:inline-block;transition:color 180ms ease,transform 180ms ease;}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.meta-line{font-size:14px;color:var(--ink-2);line-height:1.85;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:var(--ink-3);}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{font-size:13px;color:var(--ink-2);}
.fb-links a:hover{color:var(--neon);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:300px;
    max-width:86vw;
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:4px;
    padding:84px 22px 30px;
    transform:translateX(102%);
    transition:transform .28s ease;
    z-index:90;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav .nav-link{
    padding:14px 4px;
    border-bottom:1px solid var(--line);
    font-size:16px;
  }
  .main-nav .nav-link.is-active{
    border-bottom-color:var(--line);
    box-shadow:inset 2px 0 0 var(--neon);
    padding-left:12px;
  }
  .nav-cta{margin-top:18px;width:100%;}
  .page-hero-inner{grid-template-columns:1fr;gap:34px;padding:44px 0 52px;}
  .page-hero h1{font-size:32px;}
  .section{padding:64px 0;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .alt-block{grid-template-columns:1fr;gap:26px;}
  .alt-block.is-reverse .alt-media{order:1;}
  .alt-block.is-reverse .alt-text{order:2;}
  .alt-block + .alt-block{margin-top:56px;}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cover-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:48px 0 36px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .nav-bar{min-height:56px;}
  .brand-name{font-size:16px;}
  .page-hero h1{font-size:27px;}
  .section{padding:44px 0;}
  .section-head h2{font-size:23px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .metric-card{padding:18px;}
  .metric-card .num{font-size:32px;}
  .flow-grid{grid-template-columns:1fr;}
  .alt-text h3{font-size:20px;}
  .cta-band h2{font-size:22px;}
  .footer-main{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .faq-item summary{font-size:15px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px;font-size:15px;}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr;}
  .chip-cloud{gap:9px;}
  .chip{font-size:13px;padding:7px 13px;}
}

/* roulang page: category3 */
:root{
  --bg-0:#0A0D0F;
  --bg-1:#11171B;
  --bg-2:#182026;
  --line:#223038;
  --line-2:#2E3C44;
  --neon:#2BF5A8;
  --neon-2:#FF6A2B;
  --neg:#FF4D6D;
  --ink:#E8F0F0;
  --ink-2:#9FB0B6;
  --ink-3:#66787F;
  --radius-card:14px;
  --radius-btn:8px;
  --shadow:0 8px 24px rgba(0,0,0,.45);
  --shadow-neon:0 8px 28px rgba(43,245,168,.16);
  --mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--neon)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink)}
h1{font-size:38px;line-height:1.25;letter-spacing:-.01em}
h2{font-size:28px;line-height:1.35}
h3{font-size:20px;line-height:1.5}
h4{font-size:16px;line-height:1.5}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(43,245,168,.28);color:#fff}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
.grid-x{display:flex;flex-wrap:wrap}
.grid-x>.cell{flex:0 0 100%;max-width:100%}
.grid-cards{margin-left:-12px;margin-right:-12px}
.grid-cards>.cell{padding-left:12px;padding-right:12px;padding-bottom:24px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(10,13,15,.94);
  border-bottom:1px solid #1C262C;
}
.header-topline,
.footer-topline{
  height:1px;
  background:linear-gradient(90deg,rgba(43,245,168,0) 0%,rgba(43,245,168,.8) 50%,rgba(43,245,168,0) 100%);
}
.nav-bar{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  display:grid;place-items:center;
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--neon);
  background:linear-gradient(135deg,rgba(43,245,168,.22),rgba(255,106,43,.12));
  border:1px solid rgba(43,245,168,.45);
}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 12px;
  font-size:14px;
  color:var(--ink-2);
  border-bottom:2px solid transparent;
  transition:color 180ms ease,border-color 180ms ease;
}
.nav-link:hover{color:var(--ink);border-bottom-color:rgba(43,245,168,.45)}
.nav-link.is-active{
  color:var(--neon);
  border-bottom-color:var(--neon);
  text-shadow:0 0 10px rgba(43,245,168,.35);
}
.nav-cta{margin-left:14px;height:38px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;
  width:42px;height:38px;
  border:1px solid var(--line-2);
  border-radius:8px;
  background:transparent;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:180ms ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:200ms ease;z-index:75;
}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background 180ms ease,color 180ms ease,border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
}
.btn-primary{background:var(--neon);color:#06120C}
.btn-primary:hover{background:#4DF7B6;color:#06120C;transform:translateY(-1px);box-shadow:0 10px 26px rgba(43,245,168,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(43,245,168,.22)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- badges / labels ---------- */
.eyebrow{
  display:inline-block;
  font-size:13px;letter-spacing:.12em;
  color:var(--neon);text-transform:uppercase;
  margin-bottom:14px;
}
.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:999px;
  font-size:12px;letter-spacing:.04em;
  color:var(--neon);
  background:rgba(43,245,168,.1);
  border:1px solid rgba(43,245,168,.35);
}
.badge-warm{color:var(--neon-2);background:rgba(255,106,43,.1);border-color:rgba(255,106,43,.38)}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;margin:0 8px 8px 0;
  border-radius:999px;
  font-size:13px;
  color:var(--ink-2);
  background:var(--bg-2);
  border:1px solid var(--line);
  transition:border-color 180ms ease,color 180ms ease;
}
.tag:hover{border-color:rgba(43,245,168,.45);color:var(--neon)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- hero ---------- */
.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-3.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.page-hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(10,13,15,.78) 0%,rgba(10,13,15,.92) 100%),
    repeating-linear-gradient(90deg,rgba(43,245,168,.06) 0 1px,rgba(43,245,168,0) 1px 120px);
}
.hero-inner{position:relative;padding:76px 0 64px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:20px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--neon)}
.crumb span[aria-current]{color:var(--ink-3)}
.hero-sub{
  font-size:17px;line-height:1.9;color:var(--ink-2);
  max-width:34em;margin:18px 0 28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-panel{
  background:rgba(17,23,27,.9);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  padding:8px 24px;
}
.hero-panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.hero-panel-row:last-child{border-bottom:0}
.hero-panel-label{font-size:13px;color:var(--ink-2)}
.hero-panel-value{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--ink)}
.hero-panel-value small{font-size:12px;color:var(--ink-3);margin-left:6px;font-weight:400}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{color:var(--ink-2);margin-top:12px}
.lead-text{font-size:17px;line-height:1.95;color:var(--ink-2)}

/* ---------- stats ---------- */
.stat-grid>.cell{padding-bottom:24px}
.stat-card{
  height:100%;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:12px;
  padding:24px;
  transition:border-color 180ms ease,box-shadow 180ms ease,transform 180ms ease;
}
.stat-card:hover{border-color:rgba(43,245,168,.45);box-shadow:var(--shadow-neon);transform:translateY(-2px)}
.stat-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:42px;font-weight:700;line-height:1.1;color:var(--ink);
}
.stat-num small{font-size:15px;color:var(--ink-3);margin-left:6px;font-weight:400}
.stat-name{margin-top:8px;font-size:14px;color:var(--ink-2)}
.delta{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:12px;letter-spacing:.04em}
.delta-up{color:var(--neon)}
.delta-down{color:var(--neon-2)}
.delta-flat{color:var(--ink-3)}

/* ---------- cards ---------- */
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:border-color 180ms ease,box-shadow 180ms ease,transform 180ms ease;
}
.card:hover{border-color:rgba(43,245,168,.45);box-shadow:var(--shadow-neon);transform:translateY(-2px)}
.card-media{position:relative;aspect-ratio:16/9;background:var(--bg-2);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px}
.card-body p{color:var(--ink-2);font-size:15px;line-height:1.85;margin:0}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3)}
.card-link{margin-top:auto;font-size:14px;color:var(--neon);border-bottom:1px solid transparent;transition:border-color 180ms ease}
.card-link:hover{border-bottom-color:var(--neon)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:1px;
  background:linear-gradient(180deg,rgba(43,245,168,.65),rgba(43,245,168,.06));
}
.tl-item{position:relative;padding-left:68px;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:0;
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--neon);
  background:var(--bg-2);border:1px solid var(--line);
}
.tl-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 26px;
  transition:border-color 180ms ease,box-shadow 180ms ease;
}
.tl-card:hover{border-color:rgba(43,245,168,.45);box-shadow:var(--shadow-neon)}
.tl-card h3{margin-bottom:8px}
.tl-card p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.85}
.tl-time{display:inline-block;margin-top:12px;font-family:var(--mono);font-size:12px;color:var(--neon-2);letter-spacing:.04em}

/* ---------- field list ---------- */
.field-panel{
  background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px;height:100%;
}
.field-group + .field-group{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}
.field-group h4{margin-bottom:10px;color:var(--ink)}
.field-group h4 span{display:inline-block;width:3px;height:14px;background:var(--neon);margin-right:10px;vertical-align:-2px;border-radius:2px}
.aside-note{
  background:var(--bg-2);border:1px solid var(--line);border-left:3px solid var(--neon-2);
  border-radius:12px;padding:22px;
}
.aside-note p{color:var(--ink-2);font-size:15px;margin:0}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;
  color:var(--ink-2);font-size:15px;line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:10px;height:10px;border-radius:3px;
  background:rgba(43,245,168,.18);border:1px solid rgba(43,245,168,.55);
}

/* ---------- row list ---------- */
.row-list{border-top:1px solid var(--line)}
.row-item{
  display:flex;gap:24px;align-items:flex-start;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background 180ms ease;
}
.row-item:hover{background:rgba(24,32,38,.5)}
.row-index{
  flex:0 0 auto;padding-left:14px;
  border-left:2px solid var(--neon);
  font-family:var(--mono);font-size:20px;font-weight:700;color:var(--neon);
  line-height:1.4;
}
.row-body h3{margin-bottom:6px}
.row-body p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.85}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-left:3px solid var(--line);
  border-radius:12px;
  transition:border-color 180ms ease;
}
.faq-item[open]{border-left-color:var(--neon);border-color:var(--line-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 24px;
  cursor:pointer;font-weight:600;font-size:16px;color:var(--ink);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line-2);color:var(--ink-2);
  display:grid;place-items:center;font-size:14px;line-height:1;
  transition:transform 180ms ease,color 180ms ease,border-color 180ms ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--neon);border-color:rgba(43,245,168,.5)}
.faq-answer{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.9;max-width:70ch}

/* ---------- cta / form ---------- */
.cta-wrap{
  background:linear-gradient(180deg,rgba(24,32,38,.9),rgba(17,23,27,.95));
  border:1px solid var(--line);
  border-radius:18px;
  padding:40px;
}
.form-card{
  background:var(--bg-0);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.field .req{color:var(--neon-2);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;
  background:var(--bg-0);
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--ink);
  font-family:inherit;
  font-size:15px;
  padding:0 14px;
  transition:border-color 180ms ease,box-shadow 180ms ease;
}
.field input,.field select{height:48px}
.field textarea{padding:12px 14px;min-height:112px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(43,245,168,.18);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7}
.check-line input{width:16px;height:16px;margin-top:3px;accent-color:var(--neon)}
.form-actions{margin-top:8px;display:flex;justify-content:flex-end}
.contact-meta{margin-top:26px;padding-top:24px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.contact-meta span{display:block;margin-top:6px;font-family:var(--mono);color:var(--ink)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:0}
.footer-main{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:32px;padding:56px 0 40px;
}
.footer-brand p{margin-top:16px;color:var(--ink-2);font-size:14px;line-height:1.9;max-width:32em}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color 180ms ease,transform 180ms ease;display:inline-block}
.footer-col a:hover{color:var(--neon);transform:translateX(2px)}
.meta-line{font-size:14px;color:var(--ink-2);line-height:1.9;margin:0}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--ink-3)}
.fb-links{display:flex;gap:18px}
.fb-links a{font-size:13px;color:var(--ink-3)}
.fb-links a:hover{color:var(--neon)}

/* ---------- responsive ---------- */
@media (min-width:768px){
  .grid-x>.cell.medium-6{flex:0 0 50%;max-width:50%}
}
@media (min-width:1024px){
  .grid-x>.cell.large-4{flex:0 0 33.3333%;max-width:33.3333%}
  .grid-x>.cell.large-5{flex:0 0 41.6667%;max-width:41.6667%}
  .grid-x>.cell.large-6{flex:0 0 50%;max-width:50%}
  .grid-x>.cell.large-7{flex:0 0 58.3333%;max-width:58.3333%}
  .grid-x>.cell.large-8{flex:0 0 66.6667%;max-width:66.6667%}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:0;right:0;z-index:90;
    width:288px;height:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--bg-1);
    border-left:1px solid var(--line);
    padding:84px 20px 40px;
    transform:translateX(100%);
    transition:transform 220ms ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line);border-left:2px solid transparent}
  .nav-link.is-active{border-bottom-color:var(--line);border-left-color:var(--neon);padding-left:16px}
  .nav-cta{margin:18px 0 0;width:100%}
  .nav-toggle{display:flex}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 16px}
  h1{font-size:28px}
  h2{font-size:23px}
  .nav-bar{height:56px}
  .hero-inner{padding:46px 0 40px}
  .page-hero-veil{background:linear-gradient(180deg,rgba(10,13,15,.86),rgba(10,13,15,.94))}
  .section{padding:48px 0}
  .stat-num{font-size:34px}
  .hero-panel{padding:6px 20px;margin-top:28px}
  .cta-wrap{padding:26px 20px}
  .form-card{padding:22px 18px}
  .form-actions{justify-content:stretch}
  .form-actions .btn{width:100%}
  .row-item{flex-direction:column;gap:12px}
  .tl-item{padding-left:54px}
  .tl-dot{width:34px;height:34px;border-radius:10px;font-size:12px}
  .timeline::before{left:16px}
  .footer-main{grid-template-columns:1fr;padding:40px 0 28px}
  .grid-x>.cell.small-6{flex:0 0 50%;max-width:50%}
}

/* roulang page: category4 */
:root{
  --bg-0:#0A0D0F;
  --bg-1:#11171B;
  --bg-2:#182026;
  --line:#223038;
  --line-2:#2E3C44;
  --neon:#2BF5A8;
  --neon-2:#FF6A2B;
  --neg:#FF4D6D;
  --ink:#E8F0F0;
  --ink-2:#9FB0B6;
  --ink-3:#66787F;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-board:12px;
  --shadow:0 8px 24px rgba(0,0,0,.45);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(43,245,168,.28);color:#fff;}

.container{max-width:1240px;margin:0 auto;padding:0 20px;width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,13,15,.92);
  border-bottom:1px solid #1C262C;
  backdrop-filter:saturate(140%) blur(6px);
}
.header-topline{
  height:1px;
  background:linear-gradient(90deg,rgba(43,245,168,0) 0%,rgba(43,245,168,.85) 50%,rgba(43,245,168,0) 100%);
}
.nav-bar{
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-weight:700;font-size:14px;letter-spacing:.04em;
  color:#06120C;background:linear-gradient(135deg,var(--neon) 0%,#12c98a 100%);
  box-shadow:0 0 16px rgba(43,245,168,.35);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:22px;}
.nav-link{
  position:relative;
  font-size:15px;color:var(--ink-2);
  padding:21px 0;
  border-bottom:2px solid transparent;
  white-space:nowrap;
}
.nav-link:hover{color:var(--neon);border-bottom-color:rgba(43,245,168,.4);}
.nav-link.is-active{
  color:var(--neon);
  border-bottom-color:var(--neon);
  text-shadow:0 0 12px rgba(43,245,168,.45);
}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--line-2);border-radius:var(--radius-btn);
  background:transparent;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s ease,opacity .18s ease;}
.nav-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:110;
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all .18s ease;line-height:1;
}
.btn-primary{background:var(--neon);color:#06120C;border-color:var(--neon);}
.btn-primary:hover{background:#46ffb8;border-color:#46ffb8;transform:translateY(-1px);box-shadow:0 8px 24px rgba(43,245,168,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2);}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);}
.btn-ghost:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.nav-cta{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-color:var(--bg-1);
  background-image:linear-gradient(90deg,rgba(10,13,15,.90) 0%,rgba(10,13,15,.78) 55%,rgba(10,13,15,.86) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(43,245,168,0),rgba(43,245,168,.5),rgba(43,245,168,0));
}
.hero-inner{padding:76px 0 68px;position:relative;z-index:2;}
.hero-copy{max-width:640px;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--neon);margin-bottom:16px;
}
.hero-title{
  font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
}
.hero-sub{margin-top:16px;font-size:17px;color:var(--ink-2);line-height:1.8;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-panel{
  margin-top:8px;
  background:rgba(17,23,27,.86);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow);
}
.hero-panel h2{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.panel-list{margin-top:14px;display:flex;flex-direction:column;gap:12px;}
.panel-list li{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  font-size:14px;color:var(--ink-2);
  padding-bottom:12px;border-bottom:1px dashed rgba(34,48,56,.9);
}
.panel-list li:last-child{border-bottom:none;padding-bottom:0;}
.panel-list b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:16px;color:var(--neon);font-weight:700;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-title{font-size:28px;line-height:1.35;font-weight:700;}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.9;}
.head-line{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.link-more{font-size:14px;color:var(--neon);border-bottom:1px solid rgba(43,245,168,.35);padding-bottom:2px;}
.link-more:hover{border-bottom-color:var(--neon);}

/* ---------- 指标 ---------- */
.metric{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-board);
  padding:22px 20px;
  height:100%;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.metric:hover{border-color:rgba(43,245,168,.45);box-shadow:0 8px 28px rgba(43,245,168,.16);}
.metric-num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:42px;font-weight:700;line-height:1;color:var(--ink);letter-spacing:-.02em;
}
.metric-unit{font-size:16px;color:var(--ink-2);margin-left:4px;font-family:var(--font-cn);font-weight:400;}
.metric-name{margin-top:10px;font-size:14px;color:var(--ink-2);}
.metric-badge{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:12px;padding:3px 10px;border-radius:999px;
  border:1px solid rgba(43,245,168,.35);background:rgba(43,245,168,.1);color:var(--neon);
}
.metric-badge.flat{border-color:rgba(159,176,182,.35);background:rgba(159,176,182,.1);color:var(--ink-2);}
.metric-badge.warn{border-color:rgba(255,106,43,.35);background:rgba(255,106,43,.1);color:var(--neon-2);}

/* ---------- 卡片瀑布 ---------- */
.waterfall{display:flex;gap:26px;align-items:flex-start;}
.wf-col{flex:1 1 0;display:flex;flex-direction:column;gap:26px;min-width:0;}
.wf-col--wide{flex:1.18 1 0;}
.wf-col--offset{padding-top:56px;}
.wf-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.wf-card:hover{transform:translateY(-2px);border-color:rgba(43,245,168,.45);box-shadow:0 8px 28px rgba(43,245,168,.16);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--bg-1);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-media--tall{aspect-ratio:4/3;}
.card-body{padding:24px;}
.card-tag{
  display:inline-flex;align-items:center;font-size:12px;padding:4px 12px;border-radius:999px;
  border:1px solid rgba(43,245,168,.35);background:rgba(43,245,168,.1);color:var(--neon);margin-bottom:14px;
}
.card-tag.orange{border-color:rgba(255,106,43,.35);background:rgba(255,106,43,.1);color:var(--neon-2);}
.card-title{font-size:20px;font-weight:700;line-height:1.45;}
.card-title a:hover{color:var(--neon);}
.card-text{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.card-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.card-list li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.card-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--neon);opacity:.7;}
.card-meta{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  font-size:13px;color:var(--ink-3);font-family:var(--font-mono);font-variant-numeric:tabular-nums;
}

/* ---------- 编号行卡 ---------- */
.row-list{display:flex;flex-direction:column;gap:0;}
.row-item{
  display:flex;gap:22px;align-items:flex-start;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.row-item:first-child{border-top:1px solid var(--line);}
.row-item:hover{background:rgba(24,32,38,.6);}
.row-num{
  flex:0 0 auto;font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:14px;color:var(--neon);padding-top:4px;letter-spacing:.06em;
  border-left:2px solid var(--neon);padding-left:12px;
}
.row-content{flex:1 1 auto;min-width:0;}
.row-content h3{font-size:19px;font-weight:700;line-height:1.5;}
.row-content p{margin-top:8px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:800px;}
.row-link{display:inline-block;margin-top:12px;font-size:14px;color:var(--neon);}
.row-link:hover{transform:translateX(2px);}

/* ---------- 双列图文 ---------- */
.split-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;height:100%;
}
.split-card h3{font-size:20px;font-weight:700;}
.split-card > p{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.85;}
.kv-list{margin-top:20px;display:flex;flex-direction:column;gap:14px;}
.kv-list li{display:flex;justify-content:space-between;gap:16px;font-size:14px;color:var(--ink-2);border-bottom:1px dashed rgba(34,48,56,.9);padding-bottom:12px;}
.kv-list li:last-child{border-bottom:none;padding-bottom:0;}
.kv-list b{color:var(--ink);font-weight:600;text-align:right;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0 20px 18px;text-align:left;
  border-left:3px solid var(--line);
  transition:border-color .18s ease,color .18s ease;
  font-size:17px;font-weight:600;color:var(--ink);min-height:56px;line-height:1.6;
}
.faq-q:hover{color:var(--neon);}
.faq-item.is-open .faq-q{border-left-color:var(--neon);color:var(--neon);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-2);color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
  transition:transform .25s ease,color .18s ease,border-color .18s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);color:var(--neon);border-color:rgba(43,245,168,.45);}
.faq-a{display:none;padding:0 0 24px 21px;max-width:760px;}
.faq-item.is-open .faq-a{display:block;}
.faq-a p{font-size:15.5px;line-height:1.9;color:var(--ink-2);}

/* ---------- 转化区 ---------- */
.cta-band{
  background:linear-gradient(180deg,var(--bg-1) 0%,var(--bg-0) 100%);
  border-top:1px solid var(--line);
  padding:80px 0;
}
.cta-title{font-size:28px;font-weight:700;line-height:1.4;}
.cta-text{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.9;max-width:520px;}
.point-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.8;}
.point-list i{color:var(--neon);margin-top:4px;font-size:13px;}
.contact-line{margin-top:26px;font-size:14px;color:var(--ink-3);}
.form-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;}
.field .req{color:var(--neon-2);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-0);border:1px solid var(--line);border-radius:var(--radius-btn);
  color:var(--ink);padding:0 14px;height:48px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--neon);box-shadow:0 0 0 3px rgba(43,245,168,.18);outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7;margin:6px 0 20px;}
.checkline input{width:16px;height:16px;margin-top:3px;accent-color:#2BF5A8;flex:0 0 auto;}
.form-actions{display:flex;justify-content:flex-end;}
.form-actions .btn{width:auto;min-width:160px;}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-3);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);position:relative;}
.footer-topline{height:1px;background:linear-gradient(90deg,rgba(43,245,168,0),rgba(43,245,168,.7),rgba(43,245,168,0));}
.footer-main{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding:56px 0 40px;
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--ink-2);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--ink-2);display:inline-block;}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.meta-line{font-size:14px;color:var(--ink-2);line-height:1.8;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--ink-3);}
.fb-links{display:flex;gap:20px;}
.fb-links a{font-size:13px;color:var(--ink-3);}
.fb-links a:hover{color:var(--neon);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .section{padding:64px 0;}
  .hero-inner{padding:56px 0 48px;}
  .hero-title{font-size:34px;}
  .waterfall{flex-direction:column;gap:24px;}
  .wf-col,.wf-col--wide{width:100%;flex:1 1 auto;}
  .wf-col--offset{padding-top:0;}
  .footer-main{grid-template-columns:1fr 1fr;gap:30px;}
  .metric-num{font-size:36px;}
}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
  .nav-bar{height:56px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;
    background:var(--bg-1);border-left:1px solid var(--line);
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:0;padding:80px 22px 32px;
    transform:translateX(100%);transition:transform .24s ease;z-index:115;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{width:100%;padding:14px 0;border-bottom:1px solid var(--line);border-left:2px solid transparent;padding-left:10px;}
  .nav-link.is-active{border-bottom-color:var(--line);border-left-color:var(--neon);}
  .nav-cta{margin-top:22px;width:100%;height:44px;}
  .page-hero{background-image:linear-gradient(180deg,rgba(10,13,15,.86) 0%,rgba(10,13,15,.92) 100%),url('/assets/images/backpic/back-2.webp');}
  .hero-inner{padding:44px 0 40px;}
  .hero-title{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 auto;min-width:140px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .section-title{font-size:23px;}
  .card-body{padding:20px;}
  .card-title{font-size:18px;}
  .row-item{gap:14px;padding:20px 0;}
  .faq-q{font-size:16px;padding-left:14px;}
  .faq-a{padding-left:17px;}
  .cta-band{padding:52px 0;}
  .cta-title{font-size:23px;}
  .form-actions{justify-content:stretch;}
  .form-actions .btn{width:100%;}
  .footer-main{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  .hero-title{font-size:26px;}
  .metric-num{font-size:32px;}
  .brand-name{font-size:15px;}
  .fb-links{gap:14px;flex-wrap:wrap;}
}

/* roulang page: category5 */
:root{
  --bg-0:#0A0D0F;
  --bg-1:#11171B;
  --bg-2:#182026;
  --line:#223038;
  --line-2:#2E3C44;
  --neon:#2BF5A8;
  --neon-2:#FF6A2B;
  --neg:#FF4D6D;
  --ink:#E8F0F0;
  --ink-2:#9FB0B6;
  --ink-3:#66787F;
  --radius-card:14px;
  --radius-tile:12px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,.45);
  --shadow-glow:0 8px 28px rgba(43,245,168,.16);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --gutter:20px;
  --section-py:80px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,transform .18s ease;}
a:focus-visible,button:focus-visible,summary:focus-visible,
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--neon);outline-offset:2px;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.01em;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
::selection{background:rgba(43,245,168,.28);color:#fff;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--gutter);}

/* ---------- 顶栏导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(10,13,15,.94);
  border-bottom:1px solid #1C262C;
}
.header-topline{
  height:1px;
  background:linear-gradient(90deg,rgba(43,245,168,0) 0%,rgba(43,245,168,.75) 50%,rgba(43,245,168,0) 100%);
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:9px;
  border:1px solid rgba(43,245,168,.5);
  background:linear-gradient(160deg,rgba(43,245,168,.2),rgba(43,245,168,.02));
  color:var(--neon);
  font-family:var(--font-mono);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand:hover .brand-name{color:var(--neon);}

.main-nav{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:0 11px;
  line-height:64px;
  font-size:14.5px;
  color:var(--ink-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:11px;right:11px;bottom:0;
  height:2px;
  background:var(--neon);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--neon);text-shadow:0 0 12px rgba(43,245,168,.35);}
.nav-link.is-active::after{transform:scaleX(1);}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;height:42px;
  padding:0;
  background:transparent;
  border:1px solid var(--line-2);
  border-radius:8px;
  transition:border-color .18s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle:hover{border-color:var(--neon);}
.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);}

body.is-nav-open::after{
  content:"";
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.6);
  z-index:1001;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--neon);border-color:var(--neon);color:#06120C;}
.btn-primary:hover{background:#4DFFBB;transform:translateY(-1px);box-shadow:0 8px 28px rgba(43,245,168,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--ink);}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);}
.btn-block{width:100%;}
.btn.is-disabled,.btn[disabled]{opacity:.45;pointer-events:none;}
.nav-cta{height:38px;padding:0 18px;font-size:14px;margin-left:12px;}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:88px 0 84px;background:var(--bg-1);}
.page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;}
.page-hero-scrim{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,15,.78) 0%,rgba(10,13,15,.88) 100%);
}
.page-hero-line{
  position:absolute;left:0;right:0;top:46%;
  height:1px;
  background:linear-gradient(90deg,rgba(43,245,168,0) 0%,rgba(43,245,168,.28) 50%,rgba(43,245,168,0) 100%);
}
.page-hero-inner{position:relative;z-index:2;}
.eyebrow{
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--neon);
  margin:0 0 14px;
  font-weight:600;
}
.page-hero h1{margin-bottom:18px;max-width:16em;}
.lede{font-size:18px;line-height:1.8;color:var(--ink-2);margin-bottom:18px;max-width:34em;}
.hero-note{font-size:15px;line-height:1.95;color:var(--ink-2);margin-bottom:28px;max-width:40em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(43,245,168,.35);
  background:rgba(43,245,168,.1);
  color:var(--neon);
  font-size:13px;
}
.chip-orange{border-color:rgba(255,106,43,.4);background:rgba(255,106,43,.1);color:var(--neon-2);}
.hero-figure{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure figcaption{
  padding:14px 20px;
  font-size:13px;
  color:var(--ink-3);
  border-top:1px solid var(--line);
}

/* ---------- 板块 ---------- */
.section{padding:var(--section-py) 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:15.5px;line-height:1.95;color:var(--ink-2);}

/* ---------- 指标行卡 ---------- */
.metric-rows{display:grid;gap:14px;}
.row-card{
  display:grid;
  grid-template-columns:66px minmax(0,1fr) auto;
  gap:22px;
  align-items:center;
  padding:22px 26px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-left:2px solid var(--neon);
  border-radius:var(--radius-tile);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.row-card:hover{border-color:rgba(43,245,168,.45);box-shadow:var(--shadow-glow);transform:translateY(-2px);}
.row-card .idx{
  font-family:var(--font-mono);
  font-size:20px;
  font-weight:700;
  color:var(--neon);
  letter-spacing:.02em;
}
.row-card h3{font-size:18px;margin-bottom:8px;}
.row-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin:0;}
.row-card .val{
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--ink-2);
  text-align:right;
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.row-card .val strong{display:block;font-size:18px;color:var(--ink);font-weight:700;}

/* ---------- 对比表 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-1);
  box-shadow:var(--shadow-card);
}
table.data-table{width:100%;min-width:720px;border-collapse:collapse;font-size:14.5px;}
.data-table th{
  text-align:left;
  padding:16px 22px;
  background:rgba(43,245,168,.07);
  color:var(--ink);
  font-weight:700;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.data-table th:last-child{color:var(--neon);}
.data-table td{
  padding:15px 22px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
  line-height:1.75;
  vertical-align:top;
}
.data-table tbody tr:nth-child(even){background:rgba(255,255,255,.018);}
.data-table tbody tr:last-child td{border-bottom:none;}
.data-table td:first-child{color:var(--ink);font-weight:600;white-space:nowrap;}
.data-table td:last-child{color:var(--ink);}
.table-note{margin-top:16px;font-size:13px;color:var(--ink-3);}

/* ---------- 卡片网格 ---------- */
.audience-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.card{
  margin-bottom:0;
  padding:26px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  color:var(--ink);
  box-shadow:var(--shadow-card);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.card:hover{border-color:rgba(43,245,168,.45);box-shadow:var(--shadow-glow);transform:translateY(-2px);}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{font-size:14.5px;line-height:1.85;color:var(--ink-2);}
.card .card-meta{margin-top:16px;font-size:13px;color:var(--ink-3);display:flex;gap:14px;flex-wrap:wrap;}
.card-wide{grid-column:span 2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:26px;align-items:center;}
.card-wide img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;}
.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(43,245,168,.35);
  background:rgba(43,245,168,.1);
  color:var(--neon);
  font-size:12.5px;
  font-weight:600;
  margin-bottom:14px;
}
.badge-orange{border-color:rgba(255,106,43,.4);background:rgba(255,106,43,.1);color:var(--neon-2);}

/* ---------- 问答 ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-left:3px solid var(--line);
  border-radius:var(--radius-tile);
  transition:border-color .18s ease;
}
.faq-item[open]{border-left-color:var(--neon);border-color:rgba(43,245,168,.3);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:56px;
  padding:18px 24px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-family:var(--font-mono);
  font-size:22px;
  line-height:1;
  color:var(--neon);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-body{padding:0 24px 22px;font-size:15.5px;line-height:1.9;color:var(--ink-2);max-width:74ch;}

/* ---------- CTA 与表单 ---------- */
.cta-band{background:var(--bg-1);border-top:1px solid var(--line);padding:var(--section-py) 0;}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:start;}
.cta-copy h2{margin-bottom:16px;}
.cta-copy > p{font-size:15.5px;line-height:1.95;color:var(--ink-2);margin-bottom:26px;max-width:34em;}
.check-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:14px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:10px;height:10px;
  border-radius:3px;
  background:rgba(43,245,168,.18);
  border:1px solid rgba(43,245,168,.6);
}
.contact-meta{margin-top:28px;display:grid;gap:10px;}
.contact-meta span{display:block;font-size:14px;color:var(--ink-2);}
.contact-meta strong{color:var(--ink);font-weight:600;}

.form-card{
  padding:28px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-intro{font-size:13.5px;color:var(--ink-3);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;}
.field .req{color:var(--neon-2);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  background:var(--bg-0);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--neon);
  box-shadow:0 0 0 3px rgba(43,245,168,.18);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:6px 0 4px;}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--neon);flex:0 0 auto;}
.form-actions{display:flex;justify-content:flex-end;margin-top:20px;}
.field-error{display:none;font-size:12px;color:var(--neg);margin-top:6px;}
.field.has-error input,.field.has-error select{border-color:var(--neg);}
.field.has-error .field-error{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);}
.footer-topline{height:1px;background:linear-gradient(90deg,rgba(43,245,168,0) 0%,rgba(43,245,168,.6) 50%,rgba(43,245,168,0) 100%);}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:40px;padding:64px 0 42px;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:var(--ink-2);margin-top:16px;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink);}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:var(--ink-2);display:inline-block;}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.meta-line{font-size:14.5px;line-height:1.9;color:var(--ink-2);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--ink-3);
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{color:var(--ink-3);}
.fb-links a:hover{color:var(--neon);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--section-py:56px;}
  h1{font-size:32px;}
  h2{font-size:25px;}

  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:0;right:0;
    z-index:1002;
    width:300px;
    max-width:86vw;
    height:100vh;
    padding:84px 20px 32px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:var(--bg-1);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav .nav-link{
    line-height:1.4;
    padding:15px 12px;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .main-nav .nav-link::after{display:none;}
  .main-nav .nav-link.is-active{border-left:2px solid var(--neon);padding-left:16px;}
  .main-nav .nav-cta{width:100%;height:48px;margin:22px 0 0;}

  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:52px 0 34px;}
}

@media screen and (max-width:767px){
  :root{--gutter:16px;--section-py:44px;}
  body{font-size:15.5px;line-height:1.85;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .page-hero{padding:60px 0 56px;}
  .page-hero-bg{opacity:.42;}
  .page-hero-scrim{background:linear-gradient(180deg,rgba(10,13,15,.86) 0%,rgba(10,13,15,.86) 100%);}
  .lede{font-size:16.5px;}
  .hero-actions .btn{width:100%;}
  .row-card{grid-template-columns:1fr;gap:10px;}
  .row-card .idx{font-size:18px;}
  .row-card .val{text-align:left;}
  .audience-grid{grid-template-columns:1fr;}
  .card-wide{grid-column:span 1;grid-template-columns:1fr;gap:18px;}
  .section-head{margin-bottom:30px;}
  .data-table{min-width:640px;}
  .form-actions{justify-content:stretch;}
  .form-actions .btn{width:100%;}
  .footer-main{grid-template-columns:1fr;padding:44px 0 30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}