/* roulang page: index */
:root{
  --ink-900:#060F1F;
  --ink-800:#0A1728;
  --ink-700:#102235;
  --glass:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.24);
  --beam:#3FE3C8;
  --beam-deep:#25B79F;
  --beam-2:#7FB2FF;
  --ember:#FFB454;
  --text:#E6EEF7;
  --text-2:#93A6BC;
  --text-3:#64758B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --sh-card:0 8px 28px rgba(0,0,0,.45);
  --sh-beam:0 0 0 1px rgba(63,227,200,.45),0 8px 24px rgba(63,227,200,.28);
  --sec-pad:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--beam);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--beam);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1248px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- 倒计时条 ---------- */
.ticker{
  background:linear-gradient(90deg,rgba(12,28,45,.98),rgba(8,20,34,.98));
  border-bottom:1px solid rgba(63,227,200,.38);
  min-height:40px;display:flex;align-items:center;
}
.ticker-inner{display:flex;align-items:center;gap:16px;justify-content:space-between;min-height:40px;}
.ticker-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);white-space:nowrap;}
.ticker-label i{color:var(--beam);font-size:12px;}
.cd{display:flex;align-items:center;gap:6px;}
.cd-unit{display:inline-flex;align-items:center;gap:4px;}
.cd-unit b{
  display:inline-block;min-width:34px;text-align:center;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:8px;padding:2px 4px;
  font-size:13px;font-weight:600;color:var(--beam);
  font-variant-numeric:tabular-nums;
}
.cd-unit i{font-style:normal;font-size:12px;color:var(--text-3);}
.ticker-link{font-size:13px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.ticker-link i{font-size:11px;transition:transform .18s ease;}
.ticker-link:hover i{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(6,15,31,.86);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:rgba(8,20,34,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--beam),var(--beam-deep));
  color:#04121A;font-weight:700;font-size:14px;letter-spacing:.02em;
  box-shadow:0 6px 18px rgba(63,227,200,.28);
}
.brand-name{font-size:16px;font-weight:700;color:var(--text);letter-spacing:0;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;flex:1;}
.nav-link{
  position:relative;font-size:14.5px;color:var(--text-2);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--beam);border-radius:2px;transition:width .22s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:20px;}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{width:20px;}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;width:200px;
  transition:border-color .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:rgba(63,227,200,.6);background:rgba(255,255,255,.09);}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  background:transparent;border:0;outline:none;color:var(--text);
  width:100%;font-size:13.5px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);
  color:var(--text);font-size:16px;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--beam);}

/* 按钮 */
.btn-main,.btn-ghost{
  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:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,opacity .18s ease;
  white-space:nowrap;
}
.btn-main{
  background:linear-gradient(135deg,var(--beam),var(--beam-deep));
  color:#04121A;box-shadow:var(--sh-beam);
}
.btn-main:hover{
  color:#04121A;filter:brightness(1.08);transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(63,227,200,.55),0 12px 30px rgba(63,227,200,.38);
}
.btn-main:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(63,227,200,.4),0 4px 14px rgba(63,227,200,.22);}
.btn-ghost{
  background:transparent;color:var(--text);border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:var(--text);border-color:rgba(63,227,200,.5);}
.btn-ghost:active{background:rgba(255,255,255,.05);}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px;}
.btn-link-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--beam);
  background:none;border:0;padding:0;cursor:pointer;
}
.btn-link-text i{font-size:12px;transition:transform .18s ease;}
.btn-link-text:hover i{transform:translateX(3px);}
.btn-disabled{opacity:.45;pointer-events:none;box-shadow:none;}

/* 移动抽屉 */
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:1040;
  background:rgba(6,15,31,.98);
  backdrop-filter:blur(10px);
  padding:24px;overflow-y:auto;flex-direction:column;gap:6px;
}
.mobile-drawer.show{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;background:var(--glass);
  border:1px solid var(--line);color:var(--text);font-size:16px;cursor:pointer;
}
.drawer-search{
  display:flex;align-items:center;gap:10px;background:var(--glass);
  border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:16px;
}
.drawer-search i{color:var(--text-3);}
.drawer-search input{background:transparent;border:0;outline:none;color:var(--text);width:100%;font-size:15px;}
.drawer-search input::placeholder{color:var(--text-3);}
.drawer-link{
  display:block;padding:16px 4px;font-size:18px;color:var(--text);
  border-bottom:1px solid var(--line);font-weight:500;
}
.drawer-link:hover{color:var(--beam);}
.drawer-cta{margin-top:24px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:70px 0 76px;min-height:560px;display:flex;align-items:center;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.5;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,15,31,.82) 0%,rgba(6,15,31,.92) 60%,var(--ink-900) 100%);
}
.hero .container{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.04em;color:var(--beam);
  background:rgba(63,227,200,.10);border:1px solid rgba(63,227,200,.3);
  padding:5px 14px;border-radius:999px;margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--beam);box-shadow:0 0 0 4px rgba(63,227,200,.16);}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.2;font-weight:700;
  letter-spacing:0;margin-bottom:18px;color:#fff;
}
.hero h1 .hl{color:var(--beam);}
.hero-sub{font-size:17px;color:var(--text-2);margin-bottom:28px;max-width:560px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hero-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;max-width:620px;}
.hero-card{
  display:flex;align-items:center;gap:10px;padding:13px 16px;
  border-radius:14px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  font-size:13px;color:var(--text-2);
}
.hero-card i{color:var(--beam);font-size:16px;flex-shrink:0;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:380px;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--sh-card);
}
.hero-visual::before{
  content:"";position:absolute;inset:-14px;border-radius:22px;
  border:1px solid rgba(63,227,200,.18);pointer-events:none;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:linear-gradient(180deg,rgba(10,23,40,.9),rgba(6,15,31,1));}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-title{font-size:clamp(22px,2.4vw,32px);font-weight:700;line-height:1.3;color:#fff;margin-bottom:8px;}
.sec-desc{font-size:15px;color:var(--text-2);max-width:620px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--beam);
  letter-spacing:.06em;margin-bottom:10px;
}
.sec-tag::before{content:"";width:18px;height:2px;background:var(--beam);border-radius:2px;}

/* ---------- 编号行式卖点 ---------- */
.point-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;}
.point{display:flex;gap:18px;padding:28px 0;border-top:1px solid var(--line);}
.point-num{
  font-size:15px;font-weight:700;color:var(--beam);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;flex-shrink:0;padding-top:2px;
}
.point-body{padding-left:20px;border-left:1px solid rgba(255,255,255,.14);}
.point-body h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px;}
.point-body p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- 图墙 ---------- */
.wall-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;}
.wall-item{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  min-height:208px;border:1px solid var(--line);background:var(--ink-700);
}
.wall-item:nth-child(1){grid-column:span 4;}
.wall-item:nth-child(2){grid-column:span 8;}
.wall-item:nth-child(3){grid-column:span 6;}
.wall-item:nth-child(4){grid-column:span 6;}
.wall-item:nth-child(5){grid-column:span 8;}
.wall-item:nth-child(6){grid-column:span 4;}
.wall-item:nth-child(7){grid-column:span 12;min-height:180px;}
.wall-item img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .5s ease;}
.wall-item:hover img{transform:scale(1.04);}
.wall-cap{
  position:absolute;left:0;right:0;bottom:0;padding:32px 18px 14px;
  background:linear-gradient(180deg,rgba(6,15,31,0),rgba(6,15,31,.88));
  font-size:14px;font-weight:600;color:#fff;z-index:2;
}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step{
  padding:26px 24px;border-radius:var(--r-card);
  background:rgba(16,34,53,.62);border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--sh-card);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;margin-bottom:16px;
  background:rgba(63,227,200,.12);border:1px solid rgba(63,227,200,.35);
  color:var(--beam);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;color:var(--text);}
.step p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- 资讯列表 ---------- */
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.news-card{
  display:flex;gap:16px;padding:16px;border-radius:var(--r-card);
  background:rgba(16,34,53,.7);border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{
  border-color:rgba(63,227,200,.45);transform:translateY(-2px);
  box-shadow:var(--sh-card);color:inherit;
}
.news-thumb{
  flex:0 0 168px;height:112px;border-radius:var(--r-img);
  overflow:hidden;background:var(--ink-700);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.badge{
  display:inline-flex;align-items:center;font-size:12px;line-height:1;
  padding:5px 10px;border-radius:999px;
  background:rgba(63,227,200,.10);color:var(--beam);
  border:1px solid rgba(63,227,200,.24);white-space:nowrap;
}
.news-time{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.news-title{
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:#fff;}
.news-sum{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;}
.news-more{font-size:13px;color:var(--beam);display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .news-more i{transform:translateX(3px);}
.news-more i{font-size:11px;transition:transform .18s ease;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;min-height:180px;padding:40px 20px;text-align:center;
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-card);
  background:rgba(16,34,53,.42);
}
.empty-state i{font-size:26px;color:var(--text-3);}
.empty-state p{font-size:14.5px;color:var(--text-2);}

/* ---------- CTA 表单 ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
  padding:48px;border-radius:24px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--sh-card);
}
.cta-left h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;margin-bottom:14px;line-height:1.35;}
.cta-left p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:24px;}
.cta-list li{
  display:flex;align-items:flex-start;gap:10px;font-size:14.5px;
  color:var(--text-2);padding:9px 0;border-top:1px solid rgba(255,255,255,.08);
}
.cta-list li:first-child{border-top:0;padding-top:0;}
.cta-list i{color:var(--beam);font-size:13px;margin-top:6px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px;}
.form-control-x{
  width:100%;padding:12px 14px;border-radius:var(--r-input);
  background:#0A1728;border:1px solid rgba(255,255,255,.14);
  color:var(--text);outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control-x::placeholder{color:var(--text-3);}
.form-control-x:focus{
  border-color:var(--beam);box-shadow:0 0 0 3px rgba(63,227,200,.14);
}
select.form-control-x{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#64758B 50%),linear-gradient(135deg,#64758B 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-note{font-size:12px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.form-msg{font-size:13px;color:var(--ember);margin-top:10px;min-height:20px;}
.form-msg.ok{color:var(--beam);}
.form-submit{width:100%;margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;margin-bottom:12px;
  background:rgba(16,34,53,.55);overflow:hidden;
  transition:border-color .22s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.18);}
.faq-item.open{border-color:rgba(63,227,200,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:500;color:var(--text);text-align:left;
  border-left:3px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.faq-item.open .faq-q{border-left-color:var(--beam);color:#fff;}
.faq-q .chev{color:var(--text-3);font-size:13px;transition:transform .25s ease;flex-shrink:0;}
.faq-item.open .chev{transform:rotate(180deg);color:var(--beam);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{padding:0 22px 18px 25px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#050C19;border-top:1px solid transparent;
  background-image:linear-gradient(180deg,rgba(5,12,25,1),rgba(5,12,25,1)),linear-gradient(90deg,var(--beam),rgba(63,227,200,0));
  background-origin:border-box;background-clip:padding-box,border-box;
  padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:300px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--text-3);}
.footer-col a:hover{color:var(--beam);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 24px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:100%;}
  .cta-panel{padding:40px 32px;gap:32px;}
}
@media (max-width:991px){
  :root{--sec-pad:72px;}
  .main-nav{display:none;}
  .nav-search{display:none;}
  .header-tools .btn-ghost,.header-tools .btn-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{min-height:auto;padding:56px 0 64px;}
  .hero-visual{margin-top:8px;}
  .hero-visual img{height:300px;}
  .point-grid{grid-template-columns:1fr;gap:0;}
  .steps{grid-template-columns:1fr;}
  .news-list{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:span 2;}
}
@media (max-width:767px){
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-cards{grid-template-columns:1fr;}
  .wall-grid{grid-template-columns:repeat(2,1fr);}
  .wall-item{grid-column:span 1 !important;min-height:150px;}
  .wall-item:nth-child(7){grid-column:span 2 !important;}
  .brand-name{display:none;}
  .ticker-inner{gap:10px;}
  .ticker-link{display:none;}
  .cd-unit b{min-width:30px;font-size:12.5px;}
}
@media (max-width:575px){
  :root{--sec-pad:56px;}
  .container{padding:0 16px;}
  .section{padding:var(--sec-pad) 0;}
  .hero{padding:40px 0 52px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .hero-visual img{height:230px;}
  .news-card{flex-direction:row;gap:12px;padding:14px;}
  .news-thumb{flex:0 0 96px;height:96px;}
  .news-title{font-size:15.5px;-webkit-line-clamp:2;}
  .news-sum{display:none;}
  .cta-panel{padding:26px 20px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand{grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a p{padding:0 18px 16px 21px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: article */
:root{
  --ink-900:#060F1F;
  --ink-800:#0A1728;
  --ink-700:#102235;
  --beam:#3FE3C8;
  --beam-deep:#25B79F;
  --beam-2:#7FB2FF;
  --ember:#FFB454;
  --text:#E6EEF7;
  --text-2:#93A6BC;
  --text-3:#64758B;
  --glass:rgba(255,255,255,0.06);
  --glass-strong:rgba(255,255,255,0.10);
  --line:rgba(255,255,255,0.12);
  --line-soft:rgba(255,255,255,0.08);
  --line-hover:rgba(255,255,255,0.24);
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-card:0 8px 28px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(63,227,200,.45), 0 8px 24px rgba(63,227,200,.28);
  --space-section:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 500px at 82% -10%, rgba(63,227,200,.10), transparent 62%),radial-gradient(700px 420px at 8% 8%, rgba(127,178,255,.08), transparent 60%);
  background-repeat:no-repeat;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--beam);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text);letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--beam);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(63,227,200,.28);color:#fff;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(6,15,31,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--beam),var(--beam-deep));
  color:#04121A;font-weight:700;font-size:13px;letter-spacing:.02em;
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(63,227,200,.24);
}
.brand-name{font-size:16px;font-weight:600;color:var(--text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:6px;}
.nav-link{position:relative;font-size:14px;color:var(--text-2);padding:6px 0;white-space:nowrap;}
.nav-link:hover{color:var(--text);}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-2px;width:20px;height:2px;border-radius:2px;background:var(--beam);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;width:200px;
  padding:0 12px;border-radius:var(--r-input);
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .2s ease,background-color .2s ease;
}
.nav-search:focus-within{border-color:rgba(63,227,200,.55);background:rgba(63,227,200,.07);}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  width:100%;background:transparent;border:0;outline:0;
  color:var(--text);font-size:13px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-drawer{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:999;
  background:rgba(6,15,31,.98);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:20px 24px 40px;display:none;flex-direction:column;gap:4px;overflow:auto;
}
.nav-drawer.open{display:flex;}
.nav-drawer .drawer-search{
  display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;
  border-radius:var(--r-input);background:var(--glass);border:1px solid var(--line);margin-bottom:14px;
}
.nav-drawer .drawer-search input{width:100%;background:transparent;border:0;outline:0;color:var(--text);font-size:14px;}
.nav-drawer a.d-link{
  font-size:17px;color:var(--text-2);padding:15px 6px;border-bottom:1px solid var(--line-soft);
}
.nav-drawer a.d-link.active{color:var(--beam);font-weight:600;}
.nav-drawer .drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px;}

/* ---------- 按钮 ---------- */
.btn-primary,.btn-ghost,.btn-text{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;font-size:14px;font-weight:600;border-radius:var(--r-btn);transition:all .22s ease;border:1px solid transparent;}
.btn-primary{
  padding:11px 22px;color:#04121A;
  background:linear-gradient(135deg,#3FE3C8,#25B79F);
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{color:#04121A;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(63,227,200,.55),0 10px 28px rgba(63,227,200,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(63,227,200,.4),0 4px 14px rgba(63,227,200,.2);}
.btn-ghost{
  padding:11px 22px;color:var(--text);
  background:transparent;border:1px solid var(--line);
}
.btn-ghost:hover{color:var(--text);background:rgba(255,255,255,.08);border-color:var(--line-hover);}
.btn-ghost:active{background:rgba(255,255,255,.12);}
.btn-text{
  padding:4px 0;color:var(--beam);background:transparent;font-weight:600;
}
.btn-text i{transition:transform .2s ease;font-size:12px;}
.btn-text:hover{color:#7bf0dd;}
.btn-text:hover i{transform:translateX(3px);}
.btn-sm{padding:8px 16px;font-size:13px;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  padding:44px 0 40px;
  background-image:linear-gradient(180deg,rgba(6,15,31,.82),rgba(6,15,31,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-soft);
}
.page-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(63,227,200,.55),transparent);
}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb-line a{color:var(--text-2);}
.breadcrumb-line a:hover{color:var(--beam);}
.breadcrumb-line .sep{color:var(--text-3);opacity:.7;}
.breadcrumb-line .current{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.page-title{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.28;
  font-weight:700;
  max-width:900px;
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--text-3);}
.meta-line i{font-size:12px;color:var(--text-3);}
.meta-line .dot{width:1px;height:12px;background:var(--line);display:inline-block;}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;font-size:12px;
  color:var(--beam);background:rgba(63,227,200,.10);
  border:1px solid rgba(63,227,200,.22);
}

/* ---------- 文章主体 ---------- */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr);
  gap:40px;padding:52px 0 88px;
}
.article-main{min-width:0;}
.article-card{
  background:linear-gradient(180deg,rgba(16,34,53,.72),rgba(10,23,40,.72));
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:34px 34px 38px;
}
.post-content{
  font-size:16px;line-height:1.85;color:#D7E2EE;
  max-width:820px;
}
.post-content > *:first-child{margin-top:0;}
.post-content p{margin:0 0 18px;}
.post-content h2{
  font-size:22px;font-weight:700;color:var(--text);
  margin:38px 0 16px;padding-left:14px;position:relative;line-height:1.5;
}
.post-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--beam),rgba(63,227,200,.15));
}
.post-content h3{font-size:18px;font-weight:600;color:var(--text);margin:28px 0 12px;}
.post-content h4{font-size:16px;font-weight:600;color:var(--text);margin:22px 0 10px;}
.post-content a{color:var(--beam);border-bottom:1px solid rgba(63,227,200,.35);}
.post-content a:hover{border-bottom-color:var(--beam);}
.post-content ul,.post-content ol{margin:0 0 20px;padding-left:0;}
.post-content ul li,.post-content ol li{
  position:relative;padding-left:22px;margin-bottom:10px;color:#C9D6E4;
}
.post-content ul li::before{
  content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--beam);opacity:.85;
}
.post-content ol{counter-reset:pc;}
.post-content ol li{counter-increment:pc;}
.post-content ol li::before{
  content:counter(pc,decimal-leading-zero);
  position:absolute;left:0;top:0;color:var(--beam);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.post-content blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:1px solid rgba(63,227,200,.65);
  background:rgba(63,227,200,.08);
  border-radius:0 10px 10px 0;
  color:#CFE0EE;
}
.post-content blockquote p:last-child{margin-bottom:0;}
.post-content img{
  border-radius:var(--r-img);
  margin:24px auto;
  box-shadow:0 6px 22px rgba(0,0,0,.35);
}
.post-content figure{margin:26px 0;}
.post-content figcaption{
  font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;
}
.post-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;
}
.post-content th,.post-content td{
  padding:11px 14px;border-bottom:1px solid var(--line-soft);text-align:left;
}
.post-content th{color:var(--text-2);font-weight:600;background:rgba(255,255,255,.03);}
.post-content hr{border:0;border-top:1px solid var(--line-soft);margin:32px 0;}
.post-content strong{color:#fff;font-weight:600;}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line-soft);}
.tag-row .tag-label{font-size:13px;color:var(--text-3);margin-right:2px;}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;font-size:12px;
  color:var(--beam);background:rgba(63,227,200,.08);
  border:1px solid rgba(63,227,200,.2);
  transition:all .2s ease;
}
.tag-pill:hover{background:rgba(63,227,200,.18);border-color:rgba(63,227,200,.5);color:#8bf5e3;}

/* 空态 */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;color:var(--text-2);
}
.empty-state i{font-size:32px;color:var(--text-3);}
.empty-state p{font-size:15px;}

/* 继续了解 */
.next-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:34px;}
.next-card{
  display:flex;align-items:center;gap:18px;
  padding:18px;border-radius:var(--r-card);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
  transition:all .22s ease;
}
.next-card:hover{border-color:var(--line-hover);background:rgba(255,255,255,.06);transform:translateY(-2px);}
.next-card .thumb{
  width:104px;height:72px;flex-shrink:0;border-radius:10px;overflow:hidden;
}
.next-card .thumb img{width:100%;height:100%;object-fit:cover;}
.next-card .nc-body{min-width:0;}
.next-card .nc-kicker{font-size:12px;color:var(--beam);letter-spacing:.02em;}
.next-card .nc-title{font-size:15px;font-weight:600;color:var(--text);margin-top:4px;line-height:1.5;}
.next-card .nc-desc{font-size:13px;color:var(--text-2);margin-top:4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.next-card .nc-arrow{margin-left:auto;color:var(--text-3);font-size:13px;transition:transform .2s ease,color .2s ease;}
.next-card:hover .nc-arrow{color:var(--beam);transform:translateX(3px);}

.back-line{margin-top:30px;}

/* ---------- 侧栏 ---------- */
.article-side{min-width:0;}
.side-sticky{display:flex;flex-direction:column;gap:18px;}
.side-card{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  padding:22px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.side-card h3{font-size:15px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--beam);font-size:13px;}
.side-card .side-sub{font-size:12px;color:var(--text-3);margin-top:6px;}
.side-list{margin-top:16px;display:flex;flex-direction:column;}
.side-list li{
  display:flex;gap:10px;padding:11px 0;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-2);line-height:1.65;
}
.side-list li:first-child{border-top:0;padding-top:0;}
.side-list .num{
  font-size:12px;font-weight:700;color:var(--beam);font-variant-numeric:tabular-nums;flex-shrink:0;
}
.side-card .btn-primary{width:100%;margin-top:18px;}

/* ---------- 收尾 CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:20px;
  border:1px solid var(--line);
  background-image:linear-gradient(120deg,rgba(6,15,31,.92),rgba(6,15,31,.72)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:44px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;
  box-shadow:var(--shadow-card);
}
.cta-panel h2{font-size:clamp(20px,2.2vw,28px);line-height:1.4;}
.cta-panel p{font-size:14px;color:var(--text-2);margin-top:12px;max-width:440px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-section{padding:0 0 var(--space-section);}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid transparent;
  background:var(--ink-800);
  padding:64px 0 26px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(63,227,200,.75),rgba(63,227,200,.1) 55%,transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand p{font-size:13px;color:var(--text-2);margin-top:16px;max-width:330px;line-height:1.8;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:13px;color:var(--text-2);line-height:1.7;}
.footer-col a:hover{color:var(--beam);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .article-shell{grid-template-columns:minmax(0,1fr) 300px;gap:44px;}
  .side-sticky{position:sticky;top:92px;}
  .article-body-wrap{max-width:860px;}
}
@media (max-width:1199px){
  .article-side{margin-top:8px;}
  .side-sticky{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
}
@media (max-width:991px){
  :root{--space-section:72px;}
  .main-nav,.nav-search,.nav-right .btn-ghost{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-panel{grid-template-columns:1fr;padding:32px;}
  .cta-actions{justify-content:flex-start;}
  .article-card{padding:26px 22px 30px;}
}
@media (max-width:767px){
  :root{--space-section:56px;}
  .container{padding:0 16px;}
  .nav-wrap{height:64px;gap:14px;}
  .nav-drawer{top:64px;}
  .side-sticky{grid-template-columns:1fr;}
  .page-head{padding:32px 0 30px;}
  .article-shell{padding:34px 0 60px;gap:28px;}
  .article-card{padding:22px 16px 26px;}
  .post-content{font-size:15px;}
  .post-content h2{font-size:20px;}
  .post-content h3{font-size:17px;}
  .next-card{align-items:flex-start;}
  .next-card .thumb{width:84px;height:64px;}
  .cta-panel{padding:26px 20px;gap:24px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:4px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .page-title{font-size:23px;}
  .meta-line{gap:8px;font-size:12px;}
  .badge-tag{font-size:11px;}
  .next-card .thumb{width:72px;height:72px;}
  .next-card .nc-desc{display:none;}
}

/* roulang page: category1 */
:root{
  --ink-900:#060F1F;
  --ink-800:#0A1728;
  --ink-700:#102235;
  --beam:#3FE3C8;
  --beam-2:#7FB2FF;
  --ember:#FFB454;
  --text:#E6EEF7;
  --text-2:#93A6BC;
  --text-3:#64758B;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(255,255,255,.24);
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-card:0 8px 28px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(63,227,200,.45),0 8px 24px rgba(63,227,200,.28);
  --sec:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(900px 520px at 6% -10%, rgba(63,227,200,.10), transparent 62%),
    radial-gradient(820px 520px at 100% 0%, rgba(127,178,255,.09), transparent 60%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--beam);outline-offset:3px;border-radius:4px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:767px){.shell{padding:0 16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,15,31,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  font-size:13px;font-weight:700;letter-spacing:.02em;color:#04121A;
  background:linear-gradient(135deg,var(--beam),#25B79F);
  box-shadow:0 6px 18px rgba(63,227,200,.26);
}
.brand-name{font-size:16px;font-weight:600;white-space:nowrap;color:var(--text);}
.brand:hover .brand-name{color:var(--beam);}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  position:relative;padding:9px 12px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--beam);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:200px;height:38px;padding:0 36px 0 14px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:var(--r-input);font-size:13.5px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;border-color:var(--beam);
  box-shadow:0 0 0 2px rgba(63,227,200,.16);
}
.nav-search .search-icon{position:absolute;right:12px;color:var(--text-3);pointer-events:none;display:inline-flex;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;
}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px;}
.btn-primary{
  background:linear-gradient(135deg,#3FE3C8,#25B79F);
  color:#04121A;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  transform:translateY(-1px);filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(63,227,200,.55),0 10px 28px rgba(63,227,200,.34);
}
.btn-primary:active{
  transform:translateY(0);filter:none;
  box-shadow:0 0 0 1px rgba(63,227,200,.4),0 4px 14px rgba(63,227,200,.22);
}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--line-strong);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text);align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.1);border-color:var(--line-strong);}

/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;display:none;flex-direction:column;
  padding:20px;overflow-y:auto;
  background:rgba(6,15,31,.97);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.mobile-drawer.open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:13px;letter-spacing:.14em;color:var(--text-3);}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.06);color:var(--text);cursor:pointer;font-size:20px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(255,255,255,.1);}
.drawer-search{margin-bottom:16px;}
.drawer-search input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:14px;color:var(--text);
}
.drawer-search input::placeholder{color:var(--text-3);}
.drawer-search input:focus{outline:none;border-color:var(--beam);box-shadow:0 0 0 2px rgba(63,227,200,.16);}
.drawer-nav{display:grid;gap:6px;margin-bottom:24px;}
.drawer-nav a{
  padding:14px 14px;border-radius:12px;font-size:17px;font-weight:500;
  color:var(--text-2);border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--text);}
.drawer-nav a.active{color:var(--beam);background:rgba(63,227,200,.1);border-color:rgba(63,227,200,.28);}
.drawer-cta{width:100%;}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,15,31,.80) 0%,rgba(6,15,31,.92) 62%,var(--ink-900) 100%);
}
.hero-inner{position:relative;padding:76px 0 72px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--beam);}
.crumb span.sep{color:var(--text-3);}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--beam);background:rgba(63,227,200,.12);
  border:1px solid rgba(63,227,200,.26);
}
.badge-pill .dot{
  width:6px;height:6px;border-radius:50%;background:var(--beam);
  box-shadow:0 0 0 3px rgba(63,227,200,.16);
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.24;font-weight:700;letter-spacing:0;
  margin:20px 0 16px;max-width:840px;
}
.page-hero .hero-sub{
  font-size:16.5px;line-height:1.7;color:var(--text-2);
  max-width:640px;margin:0;
}
.link-back{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:28px;font-size:14px;color:var(--text-2);
  padding-bottom:2px;border-bottom:1px solid transparent;
}
.link-back:hover{color:var(--beam);border-bottom-color:rgba(63,227,200,.5);}
.link-back .arrow{transition:transform .2s ease;display:inline-flex;}
.link-back:hover .arrow{transform:translateX(3px);}

/* ---------- generic sections ---------- */
.section{padding:var(--sec) 0;}
.section-tight{padding:72px 0;}
@media (max-width:991px){.section{padding:72px 0;}.section-tight{padding:56px 0;}}
@media (max-width:575px){.section{padding:56px 0;}.section-tight{padding:48px 0;}}
.section-head{max-width:720px;margin-bottom:42px;}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.34;font-weight:700;
  margin:0 0 12px;letter-spacing:0;
}
.section-head p{margin:0;font-size:15.5px;color:var(--text-2);line-height:1.75;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--beam);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--beam);opacity:.7;}

/* ---------- split layout ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start;}
@media (max-width:991px){.split{grid-template-columns:1fr;gap:34px;}}
.article-block + .article-block{margin-top:32px;padding-top:32px;border-top:1px solid var(--line);}
.article-block h3{
  display:flex;align-items:center;gap:11px;
  font-size:20px;font-weight:600;line-height:1.4;margin:0 0 12px;
}
.article-block h3::before{
  content:"";flex:0 0 auto;width:3px;height:18px;border-radius:2px;
  background:linear-gradient(180deg,var(--beam),rgba(63,227,200,.2));
}
.article-block p{font-size:15.5px;line-height:1.82;color:var(--text-2);}
.article-block strong{color:var(--text);font-weight:600;}

.status-strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:26px;padding:13px 18px;border-radius:12px;
  background:rgba(63,227,200,.07);
  border:1px solid rgba(63,227,200,.22);
  font-size:13.5px;color:var(--text-2);
}
.status-strip .dot{
  width:7px;height:7px;border-radius:50%;background:var(--beam);
  box-shadow:0 0 0 4px rgba(63,227,200,.14);
  flex:0 0 auto;
}
.status-strip b{color:var(--beam);font-weight:600;}

.aside-card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-card);
}
.aside-card .card-media{border-radius:var(--r-img);overflow:hidden;margin-bottom:20px;}
.aside-card .card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);}
.aside-card h4{font-size:17px;font-weight:600;margin:0 0 6px;}
.aside-card .card-note{font-size:13.5px;color:var(--text-3);margin:0;}
.check-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:14px;}
.check-list li{
  display:flex;gap:11px;font-size:14.5px;line-height:1.7;color:var(--text-2);
}
.check-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;
  background:var(--beam);box-shadow:0 0 0 4px rgba(63,227,200,.12);
}
.check-list li b{color:var(--text);font-weight:600;}
.aside-foot{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.aside-foot .btn{width:100%;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media (max-width:991px){.steps{grid-template-columns:repeat(2,1fr);gap:16px;}}
@media (max-width:575px){.steps{grid-template-columns:1fr;}}
.step{
  position:relative;padding:24px;border-radius:var(--r-card);
  background:var(--ink-800);border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step::before{
  content:"";position:absolute;left:24px;right:24px;top:0;height:1px;
  background:linear-gradient(90deg,var(--beam),transparent);
  opacity:.5;
}
.step:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.step-no{
  display:block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--beam);font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;line-height:1.45;margin:0 0 8px;}
.step p{font-size:14px;line-height:1.72;color:var(--text-2);margin:0;}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:880px;}
.faq-item{
  border-radius:14px;background:var(--ink-800);
  border:1px solid var(--line);overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.open{border-color:rgba(63,227,200,.42);background:var(--ink-700);}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text-2);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--text);}
.faq-item.open .faq-q{color:var(--text);}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:2px;background:var(--beam);
}
.faq-q .chev{flex:0 0 auto;color:var(--text-3);transition:transform .25s ease,color .2s ease;display:inline-flex;}
.faq-item.open .chev{transform:rotate(180deg);color:var(--beam);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.82;color:var(--text-2);}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:44px;border-radius:20px;
  border:1px solid rgba(255,255,255,.14);
  background:
    radial-gradient(600px 260px at 100% 0%, rgba(63,227,200,.16), transparent 68%),
    linear-gradient(135deg, rgba(63,227,200,.10), rgba(127,178,255,.07) 55%, rgba(255,255,255,.03));
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 18px 50px rgba(0,0,0,.42);
}
@media (max-width:991px){.cta-panel{grid-template-columns:1fr;gap:28px;padding:32px;}}
@media (max-width:575px){.cta-panel{padding:26px 20px;border-radius:16px;}}
.cta-panel h2{font-size:clamp(21px,2.3vw,28px);line-height:1.36;font-weight:700;margin:0 0 12px;}
.cta-panel p{font-size:15px;line-height:1.75;color:var(--text-2);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
@media (max-width:991px){.cta-actions{justify-content:flex-start;}}
@media (max-width:575px){.cta-actions .btn{width:100%;}}
.cta-note{
  margin-top:16px;font-size:12.5px;color:var(--text-3);line-height:1.7;
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--ink-900);
  border-top:1px solid var(--line);padding:64px 0 30px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--beam),rgba(63,227,200,.15) 42%,transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid var(--line);
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-2);max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text);
  margin:0 0 16px;letter-spacing:.02em;
}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col li a,.footer-col li span{font-size:14px;color:var(--text-2);line-height:1.7;}
.footer-col li a:hover{color:var(--beam);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px;padding-top:22px;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-3);line-height:1.8;}

/* ---------- responsive header ---------- */
@media (max-width:1199px){
  .nav-link{padding:9px 10px;font-size:14px;}
  .nav-search input{width:168px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-ghost{display:none;}
}
@media (max-width:575px){
  .header-actions .btn-primary{display:none;}
  .brand-name{font-size:14.5px;}
  .hero-inner{padding:52px 0 50px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#060F1F;
  --ink-800:#0A1728;
  --ink-700:#102235;
  --glass:rgba(255,255,255,.06);
  --glass-border:rgba(255,255,255,.12);
  --beam:#3FE3C8;
  --beam-2:#7FB2FF;
  --ember:#FFB454;
  --text:#E6EEF7;
  --text-2:#93A6BC;
  --text-3:#64758B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-card:0 8px 28px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(63,227,200,.45),0 8px 24px rgba(63,227,200,.28);
  --container-max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--ink-900);
  background-image:radial-gradient(1200px 600px at 15% -10%,rgba(63,227,200,.10),transparent 62%),radial-gradient(900px 500px at 95% 0%,rgba(127,178,255,.10),transparent 60%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
h1,h2,h3,h4,h5,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--beam);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(6,15,31,.74);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  font-size:14px;font-weight:700;letter-spacing:.02em;color:#04121A;
  background:linear-gradient(135deg,var(--beam),#25B79F);
  box-shadow:0 0 18px rgba(63,227,200,.35);
}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{position:relative;padding:10px 12px;font-size:14px;color:var(--text-2);border-radius:8px;white-space:nowrap;}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:12px;bottom:2px;width:20px;height:2px;background:var(--beam);border-radius:2px;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;gap:8px;width:200px;padding:8px 14px;
  border-radius:999px;background:rgba(255,255,255,.06);
  border:1px solid var(--glass-border);transition:border-color .2s,box-shadow .2s;
}
.search-box i{font-size:12px;color:var(--text-3);}
.search-box input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:13px;color:var(--text);}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:rgba(63,227,200,.6);box-shadow:0 0 0 3px rgba(63,227,200,.12);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--glass-border);
  background:rgba(255,255,255,.05);color:var(--text);cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.1);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;line-height:1.2;padding:12px 22px;
  cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--beam) 0%,#25B79F 100%);
  color:#04121A;
  box-shadow:0 0 0 1px rgba(63,227,200,.45),0 8px 24px rgba(63,227,200,.28);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#04121A;box-shadow:0 0 0 1px rgba(63,227,200,.55),0 12px 30px rgba(63,227,200,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(63,227,200,.42),0 4px 12px rgba(63,227,200,.22);}
.btn-ghost{background:transparent;border-color:var(--glass-border);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:var(--text);}
.btn-sm{padding:9px 16px;font-size:13px;border-radius:10px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- mobile panel ---------- */
.mobile-panel{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:999;
  background:var(--ink-900);border-top:1px solid var(--glass-border);
  padding:24px;display:none;flex-direction:column;gap:6px;overflow-y:auto;
}
.mobile-panel.open{display:flex;}
.mobile-panel .m-search{
  display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-input);
  background:rgba(255,255,255,.06);border:1px solid var(--glass-border);margin-bottom:12px;
}
.mobile-panel .m-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--text);}
.mobile-panel .m-search input::placeholder{color:var(--text-3);}
.mobile-panel .m-link{padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px;color:var(--text-2);}
.mobile-panel .m-link.active{color:var(--beam);font-weight:600;}
.mobile-panel .btn{margin-top:20px;}

/* ---------- page topline ---------- */
.page-topline{height:1px;background:linear-gradient(90deg,var(--beam),rgba(63,227,200,0));}

/* ---------- page head ---------- */
.page-head{position:relative;padding:64px 0 72px;overflow:hidden;}
.page-head::before{
  content:"";position:absolute;left:-10%;top:-40%;width:800px;height:520px;pointer-events:none;
  background:radial-gradient(circle at 35% 45%,rgba(63,227,200,.15),transparent 66%);
}
.page-head::after{
  content:"";position:absolute;right:-6%;top:-20%;width:600px;height:460px;pointer-events:none;
  background:radial-gradient(circle at 60% 50%,rgba(127,178,255,.12),transparent 68%);
}
.page-head-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;color:var(--beam);
  background:rgba(63,227,200,.08);border:1px solid rgba(63,227,200,.32);
}
.eyebrow .dot{width:5px;height:5px;border-radius:50%;background:var(--beam);}
.page-head h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;
  margin:20px 0 16px;letter-spacing:0;
}
.page-head h1 .accent{color:var(--beam);}
.page-head .lead{font-size:16px;color:var(--text-2);max-width:560px;line-height:1.8;}
.back-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:22px;
  font-size:14px;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px;
}
.back-link i{transition:transform .2s ease;font-size:12px;}
.back-link:hover{color:var(--beam);}
.back-link:hover i{transform:translateX(3px);}

.info-card{
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r-card);
  padding:26px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--shadow-card);
}
.info-card-title{font-size:13px;letter-spacing:.1em;color:var(--beam);margin-bottom:6px;}
.info-item{display:flex;gap:14px;padding:18px 0;border-top:1px solid rgba(255,255,255,.1);}
.info-item:first-of-type{margin-top:10px;}
.info-ico{
  width:38px;height:38px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;
  background:rgba(63,227,200,.12);border:1px solid rgba(63,227,200,.26);color:var(--beam);font-size:15px;
}
.info-item h4{font-size:15px;font-weight:600;margin-bottom:4px;}
.info-item p{font-size:13.5px;line-height:1.7;color:var(--text-2);}

/* ---------- sections ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:15.5px;}

/* ---------- compare ---------- */
.compare{
  display:grid;grid-template-columns:1fr 1fr;
  border:1px solid var(--glass-border);border-radius:var(--r-card);
  overflow:hidden;background:rgba(255,255,255,.03);
}
.compare-col{padding:32px;}
.compare-col + .compare-col{border-left:1px solid var(--glass-border);}
.compare-col h3{font-size:20px;font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.compare-col h3 .badge-i{
  width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font-size:13px;
  background:rgba(127,178,255,.12);border:1px solid rgba(127,178,255,.28);color:var(--beam-2);
}
.compare-col .col-sub{font-size:13.5px;color:var(--text-3);margin-bottom:8px;}
.compare-list li{
  display:flex;gap:14px;padding:16px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:15px;color:var(--text-2);line-height:1.7;
}
.compare-list li:first-child{border-top:0;}
.compare-list .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;color:var(--beam);flex-shrink:0;padding-top:3px;font-variant-numeric:tabular-nums;
}

/* ---------- glass cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.glass-card{
  background:rgba(255,255,255,.05);border:1px solid var(--glass-border);
  border-radius:var(--r-card);padding:28px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass-card:hover{transform:translateY(-3px);border-color:rgba(63,227,200,.4);box-shadow:0 12px 32px rgba(0,0,0,.5),0 0 0 1px rgba(63,227,200,.18);}
.icon-badge{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(63,227,200,.12);border:1px solid rgba(63,227,200,.26);
  color:var(--beam);font-size:17px;margin-bottom:18px;
}
.glass-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.glass-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ---------- band ---------- */
.band{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--glass-border);}
.band img{width:100%;height:340px;object-fit:cover;}
.band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,15,31,.95),rgba(6,15,31,.35) 55%,rgba(6,15,31,.2));
}
.band-caption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:28px 32px;}
.band-caption h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.band-caption p{font-size:14.5px;color:var(--text-2);max-width:620px;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--glass-border);border-radius:14px;
  background:rgba(255,255,255,.035);overflow:hidden;transition:border-color .22s ease;
}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;padding:18px 56px 18px 22px;
  font-size:15.5px;font-weight:600;color:var(--text);
  display:flex;align-items:center;transition:color .2s ease,background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(255,255,255,.04);}
.faq-item summary .chev{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--text-3);transition:transform .25s ease,color .25s ease;
}
.faq-item[open]{border-color:rgba(63,227,200,.35);}
.faq-item[open] summary{color:#fff;}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--beam);border-radius:0 2px 2px 0;
}
.faq-item[open] summary .chev{transform:translateY(-50%) rotate(180deg);color:var(--beam);}
.faq-body{padding:0 56px 20px 22px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;border-radius:20px;padding:48px;
  background:linear-gradient(135deg,rgba(63,227,200,.13),rgba(127,178,255,.08));
  border:1px solid rgba(63,227,200,.26);
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
  overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;right:-10%;top:-60%;width:420px;height:420px;
  background:radial-gradient(circle,rgba(63,227,200,.18),transparent 68%);pointer-events:none;
}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);line-height:1.32;font-weight:700;margin-bottom:12px;position:relative;}
.cta-panel p{font-size:15px;color:var(--text-2);max-width:520px;position:relative;}
.cta-actions{display:flex;flex-direction:column;gap:12px;min-width:220px;position:relative;}
.cta-note{font-size:12px;color:var(--text-3);text-align:center;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:24px;padding-top:64px;
  background:var(--ink-800);border-top:1px solid rgba(255,255,255,.08);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--beam),rgba(63,227,200,0));
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.75;max-width:330px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2);line-height:1.6;}
.footer-col a:hover{color:var(--beam);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 30px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .main-nav{margin-left:0;}
  .nav-link{padding:10px 9px;font-size:13.5px;}
  .search-box{width:170px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .page-head{padding:48px 0 56px;}
  .page-head-grid{grid-template-columns:1fr;gap:32px;}
  .section{padding:64px 0;}
  .compare{grid-template-columns:1fr;}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--glass-border);}
  .card-grid{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;padding:36px;gap:24px;}
  .cta-actions{min-width:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .band img{height:280px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .header-inner{height:64px;gap:12px;}
  .brand-name{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .mobile-panel{top:64px;}
  .page-head{padding:40px 0 48px;}
  .page-head h1{margin:16px 0 12px;}
  .page-head .lead{font-size:15px;}
  .info-card{padding:20px;}
  .section{padding:52px 0;}
  .section-tight{padding:40px 0;}
  .compare-col{padding:24px;}
  .glass-card{padding:22px;}
  .band img{height:220px;}
  .band-caption{padding:20px;}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:15px;}
  .faq-body{padding:0 20px 18px 18px;font-size:14.5px;}
  .cta-panel{padding:28px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:575px){
  .btn{width:100%;}
  .nav-actions .btn-primary{width:auto;}
  .compare-col h3{font-size:18px;}
}