/* roulang page: index */
:root{
  --bg-0:#070C14;
  --bg-1:#0B1420;
  --glass-bg:rgba(13,24,36,.58);
  --glass-brd:rgba(25,225,184,.16);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.06);
  --pri:#19E1B8;
  --pri-hover:#4BF0D0;
  --pri-active:#0FB694;
  --pri-deep:#0B7F6C;
  --acc:#FFB545;
  --acc-2:#FF5C7A;
  --tx-1:#EAF2F6;
  --tx-2:#A7B6C2;
  --tx-3:#6E8090;
  --line:rgba(255,255,255,.10);
  --r-lg:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-badge:8px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;--sp-7:72px;--sp-8:96px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease);}
a:hover{color:var(--pri-hover);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-n{width:100%;max-width:1140px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn-p{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--pri);color:#04231C;font-weight:700;font-size:15px;
  padding:0 22px;height:46px;border-radius:var(--r-btn);border:0;cursor:pointer;
  box-shadow:0 0 0 1px rgba(25,225,184,.45),0 8px 28px rgba(25,225,184,.26);
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
}
.btn-p:hover{background:var(--pri-hover);color:#04231C;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(75,240,208,.55),0 12px 34px rgba(25,225,184,.34);}
.btn-p:active{background:var(--pri-active);transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.35);}
.btn-s{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(25,225,184,.06);color:var(--pri);font-weight:600;font-size:15px;
  padding:0 22px;height:46px;border-radius:var(--r-btn);
  border:1px solid rgba(25,225,184,.42);cursor:pointer;
  transition:background var(--ease),border-color var(--ease),transform var(--ease),color var(--ease);
}
.btn-s:hover{background:rgba(25,225,184,.14);border-color:var(--pri);color:var(--pri-hover);transform:translateY(-1px);}
.btn-s:active{transform:translateY(0);background:rgba(25,225,184,.2);}
.btn-g{
  display:inline-flex;align-items:center;gap:6px;
  background:none;border:0;padding:0;color:var(--pri);font-size:14px;font-weight:600;cursor:pointer;
  position:relative;
}
.btn-g::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--pri);transition:width var(--ease);}
.btn-g:hover::after{width:100%;}
.btn-p:focus-visible,.btn-s:focus-visible,.btn-g:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--pri);outline-offset:2px;border-radius:6px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  height:64px;display:flex;align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.scrolled{
  background:var(--glass-bg);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--tx-1);letter-spacing:-.01em;}
.brand .mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 26px;
  background:linear-gradient(135deg,var(--pri) 0%,var(--pri-deep) 100%);
  display:flex;align-items:center;justify-content:center;color:#04231C;font-size:13px;font-weight:900;
  box-shadow:0 0 0 1px rgba(25,225,184,.4),0 6px 18px rgba(25,225,184,.25);
}
.brand:hover{color:var(--tx-1);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--tx-2);padding:21px 0;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:var(--pri);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--tx-1);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--tx-1);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-badge);
  color:var(--tx-3);font-size:14px;transition:border-color var(--ease),background var(--ease);
}
.nav-search:hover{border-color:rgba(25,225,184,.4);color:var(--tx-2);}
.nav-actions .btn-p{height:38px;font-size:14px;padding:0 18px;border-radius:8px;}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:8px;
  width:44px;height:40px;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--tx-1);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.mobile-drawer{
  position:fixed;inset:0;z-index:1200;background:rgba(7,12,20,.94);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:88px 24px 32px;transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer ul li a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;font-size:17px;color:var(--tx-1);border-bottom:1px solid var(--line);
}
.mobile-drawer ul li a i{color:var(--tx-3);font-size:13px;}
.mobile-drawer .drawer-cta{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
.mobile-drawer .drawer-cta .btn-p,.mobile-drawer .drawer-cta .btn-s{width:100%;justify-content:center;}
.drawer-close{
  position:absolute;top:22px;right:24px;width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--tx-1);font-size:18px;cursor:pointer;
}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 88px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 420px at 8% 4%, rgba(25,225,184,.10), transparent 70%),
    radial-gradient(560px 460px at 96% 96%, rgba(255,181,69,.06), transparent 72%);
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;color:var(--pri);letter-spacing:.02em;margin-bottom:20px;
}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--pri);display:block;}
.hero h1{
  font-size:44px;line-height:1.22;margin-bottom:20px;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--pri);}
.hero-sub{font-size:18px;line-height:1.8;color:var(--tx-2);margin-bottom:32px;max-width:520px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px;}
.hero-stats{display:flex;align-items:center;gap:0;border-top:1px solid var(--line);padding-top:20px;}
.hero-stats .stat{padding-right:24px;}
.hero-stats .stat + .stat{border-left:1px solid var(--line);padding-left:24px;}
.hero-stats .stat b{display:block;font-size:20px;color:var(--tx-1);font-variant-numeric:tabular-nums;}
.hero-stats .stat span{font-size:13px;color:var(--tx-3);}
.hero-media{position:relative;}
.hero-media .frame{
  border-radius:20px;overflow:hidden;position:relative;
  box-shadow:var(--sh-1);
}
.hero-media .frame img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-media .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top right, rgba(7,12,20,.72) 0%, rgba(7,12,20,0) 58%);
}
.hero-card{
  position:absolute;right:-24px;bottom:-28px;width:280px;
  background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--glass-brd);border-radius:var(--r-lg);
  box-shadow:var(--glass-hi),var(--sh-1);
  padding:20px;
}
.hero-card h4{font-size:13px;color:var(--tx-3);font-weight:600;margin-bottom:12px;letter-spacing:.02em;}
.hero-card ul li + li{margin-top:2px;}
.hero-card ul li a{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 0;font-size:14px;color:var(--tx-1);border-bottom:1px solid var(--line);
}
.hero-card ul li:last-child a{border-bottom:0;}
.hero-card ul li a i{color:var(--pri);font-size:12px;transition:transform var(--ease);}
.hero-card ul li a:hover i{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head .head-l{max-width:640px;}
.section-title{font-size:30px;margin-bottom:12px;}
.section-desc{font-size:15px;color:var(--tx-2);line-height:1.8;}
.divider{height:1px;background:var(--line);border:0;margin:0;}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-badge);
  background:rgba(25,225,184,.10);color:var(--pri);border:1px solid rgba(25,225,184,.22);
}
.badge-tag.amber{background:rgba(255,181,69,.10);color:var(--acc);border-color:rgba(255,181,69,.24);}
.badge-tag.magenta{background:rgba(255,92,122,.10);color:var(--acc-2);border-color:rgba(255,92,122,.24);}
.count-pill{
  font-size:12px;font-variant-numeric:tabular-nums;color:var(--tx-3);
  border:1px solid var(--line);border-radius:var(--r-badge);padding:2px 9px;
}

/* ============ 封面带 ============ */
.cover-strip{position:relative;}
.cover-scroll{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:12px;scrollbar-width:none;
}
.cover-scroll::-webkit-scrollbar{display:none;}
.cover-item{
  position:relative;flex:0 0 300px;border-radius:var(--r-lg);overflow:hidden;
  scroll-snap-align:start;border:1px solid var(--line);transition:border-color var(--ease),transform var(--ease);
}
.cover-item:first-child{flex:0 0 420px;}
.cover-item img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform var(--ease);}
.cover-item:hover{border-color:rgba(25,225,184,.34);transform:translateY(-2px);}
.cover-item::after{
  content:"";position:absolute;inset:0;background:linear-gradient(to top, rgba(7,12,20,.86) 0%, rgba(7,12,20,.10) 60%, rgba(7,12,20,0) 100%);
}
.cover-item .cap{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;}
.cover-item .cap h3{font-size:17px;margin-bottom:4px;}
.cover-item .cap p{font-size:13px;color:var(--tx-2);}
.cover-item .cap .badge-tag{position:absolute;top:-142px;left:0;}
.cover-fade{
  position:absolute;top:0;right:0;bottom:12px;width:80px;pointer-events:none;
  background:linear-gradient(to right, rgba(7,12,20,0), var(--bg-0));
}

/* ============ 合集目录 ============ */
.cat-grid{display:grid;grid-template-columns:7fr 5fr;gap:0 56px;}
.cat-row{
  display:flex;align-items:center;gap:20px;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:border-color var(--ease);
}
.cat-row:hover{border-color:rgba(25,225,184,.34);}
.cat-row .idx{
  font-size:24px;font-weight:700;color:var(--pri);font-variant-numeric:tabular-nums;
  flex:0 0 44px;letter-spacing:-.02em;
}
.cat-row .body{flex:1;min-width:0;}
.cat-row .body h3{font-size:18px;margin-bottom:4px;}
.cat-row .body p{font-size:14px;color:var(--tx-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cat-row .arrow{color:var(--tx-3);font-size:14px;transition:transform var(--ease),color var(--ease);}
.cat-row:hover .arrow{transform:translateX(4px);color:var(--pri);}

/* ============ 精选条目 ============ */
.feat-list{border-top:1px solid var(--line);}
.feat-item{
  display:grid;grid-template-columns:32% 68%;gap:24px;align-items:center;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.feat-item .thumb{
  position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);
}
.feat-item .thumb img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform 320ms ease;}
.feat-item .thumb::after{content:"";position:absolute;inset:0;background:rgba(7,12,20,.14);transition:background var(--ease);}
.feat-item:hover .thumb img{transform:scale(1.03);}
.feat-item:hover .thumb::after{background:rgba(7,12,20,.04);}
.feat-item h3{font-size:20px;margin-bottom:10px;}
.feat-item h3 a:hover{color:var(--pri-hover);}
.feat-item p{font-size:15px;color:var(--tx-2);margin-bottom:14px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.feat-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--tx-3);}
.feat-meta .num{font-variant-numeric:tabular-nums;}

/* ============ 资讯列表（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--glass-brd);border-radius:var(--r-lg);
  box-shadow:var(--glass-hi);
  overflow:hidden;transition:border-color var(--ease),transform var(--ease);
}
.news-card:hover{border-color:rgba(25,225,184,.34);transform:translateY(-2px);}
.news-card .cover{position:relative;overflow:hidden;}
.news-card .cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms ease;}
.news-card:hover .cover img{transform:scale(1.03);}
.news-card .cover .badge-tag{position:absolute;left:14px;top:14px;background:rgba(7,12,20,.72);backdrop-filter:blur(8px);}
.news-card .txt{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-card .txt h3{
  font-size:17px;line-height:1.5;margin-bottom:10px;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.news-card .txt h3 a:hover{color:var(--pri-hover);}
.news-card .txt p{
  font-size:14px;color:var(--tx-2);line-height:1.7;margin-bottom:18px;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.news-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;
}
.news-card .foot .time{color:var(--tx-3);font-variant-numeric:tabular-nums;}
.news-card .foot a{color:var(--pri);font-weight:600;font-size:13px;}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--glass-bg);border:1px dashed rgba(25,225,184,.24);border-radius:var(--r-lg);
  min-height:260px;
}
.empty-state i{font-size:30px;color:var(--tx-3);}
.empty-state p{color:var(--tx-2);font-size:15px;}

/* ============ CTA 玻璃条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--glass-brd);border-radius:var(--r-lg);
  box-shadow:var(--glass-hi);
  padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 200px at 6% 0%, rgba(25,225,184,.10), transparent 70%);
}
.cta-band .band-txt{position:relative;display:flex;align-items:center;gap:14px;}
.cta-band .band-txt i{color:var(--pri);font-size:20px;}
.cta-band .band-txt strong{font-size:17px;font-weight:600;}
.cta-band .band-btns{position:relative;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease);
}
.faq-item.open{border-color:rgba(25,225,184,.42);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;color:var(--tx-1);font-size:17px;font-weight:600;
  text-align:left;padding:20px 22px;cursor:pointer;
}
.faq-q .ico{
  flex:0 0 22px;position:relative;height:22px;
}
.faq-q .ico::before,.faq-q .ico::after{
  content:"";position:absolute;background:var(--pri);border-radius:2px;transition:transform var(--ease),opacity var(--ease);
}
.faq-q .ico::before{left:4px;top:10px;width:14px;height:2px;}
.faq-q .ico::after{left:10px;top:4px;width:2px;height:14px;}
.faq-item.open .faq-q .ico::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 280ms ease;
}
.faq-a .inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--tx-2);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:24px;
  border-top:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.site-footer::before{
  content:"";position:absolute;inset:0;background:rgba(7,12,20,.93);
}
.footer-inner{position:relative;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-grid h4{font-size:14px;color:var(--tx-1);margin-bottom:18px;font-weight:600;letter-spacing:.02em;}
.footer-grid p,.footer-grid li a{font-size:14px;color:var(--tx-2);line-height:1.9;}
.footer-grid li a:hover{color:var(--pri);}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{max-width:300px;}
.footer-brand .kw{
  display:inline-block;margin-top:16px;font-size:13px;color:var(--tx-3);
  border:1px solid var(--line);border-radius:var(--r-badge);padding:3px 10px;
}
.footer-bottom{
  position:relative;margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.footer-bottom a{color:var(--tx-3);}
.footer-bottom a:hover{color:var(--pri);}

/* ============ 淡入 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms ease,transform 480ms ease;}
.reveal.in{opacity:1;transform:none;}

/* ============ 轻提示 ============ */
.toast-bar{
  position:fixed;top:78px;left:50%;transform:translate(-50%,-14px);
  background:rgba(13,24,36,.92);border:1px solid var(--glass-brd);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  color:var(--tx-1);font-size:14px;padding:10px 20px;border-radius:var(--r-badge);
  box-shadow:var(--sh-1);opacity:0;visibility:hidden;z-index:2000;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.toast-bar.show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .cover-item{flex:0 0 280px;}
  .cover-item:first-child{flex:0 0 380px;}
}
@media (max-width:1199.98px){
  .hero h1{font-size:38px;}
  .cat-grid{grid-template-columns:1fr 1fr;gap:0 40px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .hero-card{right:0;bottom:-24px;width:250px;}
}
@media (max-width:991.98px){
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-p{display:none;}
  .hero{padding:40px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .hero-media{order:3;}
  .hero-card{position:relative;right:auto;bottom:auto;width:100%;margin-top:16px;}
  .cat-grid{grid-template-columns:1fr;gap:0;}
  .section{padding:72px 0;}
  .section-title{font-size:24px;}
  .feat-item{grid-template-columns:1fr;gap:16px;}
  .feat-item .thumb img{aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .container-x,.container-n{padding:0 16px;}
  .site-header{height:56px;}
  .brand{font-size:16px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-title{font-size:22px;}
  .hero h1{font-size:28px;}
  .hero-stats{flex-wrap:wrap;gap:16px 0;}
  .hero-stats .stat{padding-right:18px;}
  .hero-stats .stat + .stat{padding-left:18px;}
  .hero-cta .btn-p,.hero-cta .btn-s{width:100%;justify-content:center;min-height:44px;}
  .cover-item,.cover-item:first-child{flex:0 0 78%;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:stretch;padding:22px;}
  .cta-band .band-btns{flex-direction:column;}
  .cta-band .band-btns .btn-p,.cta-band .band-btns .btn-s{width:100%;justify-content:center;min-height:44px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .feat-item h3{font-size:18px;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .hero h1{font-size:25px;}
  .hero-sub{font-size:15px;}
  .cat-row .idx{flex:0 0 34px;font-size:20px;}
  .cat-row .body p{white-space:normal;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-0:#070C14;--bg-1:#0B1420;
  --glass-bg:rgba(13,24,36,.58);--glass-brd:rgba(25,225,184,.16);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.06);
  --pri:#19E1B8;--pri-hover:#4BF0D0;--pri-active:#0FB694;--pri-deep:#0B7F6C;
  --acc:#FFB545;--acc-2:#FF5C7A;
  --tx-1:#EAF2F6;--tx-2:#A7B6C2;--tx-3:#6E8090;--tx-body:#D3DEE6;
  --line:rgba(255,255,255,.10);--line-2:rgba(255,255,255,.06);
  --r-lg:16px;--r-md:12px;--r-sm:10px;--r-xs:8px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(25,225,184,.45),0 8px 28px rgba(25,225,184,.26);
  --sp1:8px;--sp2:16px;--sp3:24px;--sp4:32px;--sp5:48px;--sp6:72px;--sp7:96px;
  --maxw:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--tx-1);
  font-family:var(--font);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(760px 540px at 6% -8%,rgba(25,225,184,.10),transparent 62%),
    radial-gradient(660px 500px at 98% 4%,rgba(255,181,69,.06),transparent 60%);
}
header,main,footer{position:relative;z-index:1}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--pri)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--tx-1)}
p{margin:0}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px}
.mono{font-variant-numeric:tabular-nums;letter-spacing:.01em}
.container-x{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.scrolled{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--tx-1)}
.brand:hover{color:var(--tx-1)}
.brand .mark{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(25,225,184,.22),rgba(25,225,184,.04));
  border:1px solid rgba(25,225,184,.38);color:var(--pri);
  font-size:12px;font-weight:800;letter-spacing:.06em;
}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;color:var(--tx-2);padding:4px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--pri);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--tx-1)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--tx-1)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border-radius:var(--r-xs);border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--tx-2);font-size:14px;transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.nav-search:hover{color:var(--pri);border-color:rgba(25,225,184,.34);background:rgba(25,225,184,.06)}
.btn-p,.btn-s,.btn-g{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-align:center;border-radius:var(--r-sm);font-size:15px;font-weight:600;transition:all .2s ease}
.btn-p{padding:11px 22px;background:var(--pri);color:#04201A;border:0;box-shadow:var(--glow)}
.btn-p:hover{background:var(--pri-hover);color:#04201A;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(25,225,184,.55),0 12px 34px rgba(25,225,184,.34)}
.btn-p:active{background:var(--pri-active);transform:none;box-shadow:inset 0 2px 8px rgba(0,0,0,.32)}
.btn-s{padding:10px 20px;background:var(--glass-bg);border:1px solid rgba(25,225,184,.40);color:var(--pri);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.btn-s:hover{border-color:var(--pri);color:var(--pri-hover);transform:translateY(-1px);background:rgba(25,225,184,.08)}
.btn-s:active{transform:none}
.btn-g{padding:8px 2px;background:none;border:0;color:var(--tx-2);position:relative}
.btn-g::after{content:"";position:absolute;left:2px;right:2px;bottom:4px;height:1px;background:var(--pri);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.btn-g:hover{color:var(--pri)}
.btn-g:hover::after{transform:scaleX(1)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-xs);background:rgba(255,255,255,.03);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--tx-1);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:28px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--tx-3)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li::after{content:"/";color:var(--line);color:rgba(255,255,255,.22)}
.crumb li:last-child::after{display:none}
.crumb a{color:var(--tx-2)}
.crumb a:hover{color:var(--pri)}
.crumb .current{color:var(--tx-3);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-head{padding:28px 0 36px;border-bottom:1px solid var(--line)}
.badge-cat{
  display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;border-radius:var(--r-xs);
  background:rgba(25,225,184,.10);border:1px solid rgba(25,225,184,.28);color:var(--pri);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-cat i{font-size:11px}
.article-head h1{
  margin:18px 0 0;font-size:clamp(28px,4.2vw,44px);letter-spacing:-.01em;max-width:900px;
}
.head-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:22px;
  font-size:13.5px;color:var(--tx-3);
}
.head-meta span{display:inline-flex;align-items:center;gap:8px}
.head-meta i{color:var(--pri-deep)}
.head-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-xs);
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--tx-2);font-size:14px;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--pri);border-color:rgba(25,225,184,.34);background:rgba(25,225,184,.06);transform:translateY(-1px)}
.icon-btn.on{color:var(--acc-2);border-color:rgba(255,92,122,.42);background:rgba(255,92,122,.10)}

/* ---------- 阅读区布局 ---------- */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:56px;
  padding:48px 0 0;align-items:start;
}
.article-main{max-width:800px;min-width:0}
.article-cover{margin:0 0 32px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-2);position:relative}
.article-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.article-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:12px 16px;font-size:12.5px;color:var(--tx-2);
  background:linear-gradient(to top,rgba(7,12,20,.88),rgba(7,12,20,0));
}
.article-body{font-size:17px;line-height:1.9;color:var(--tx-body);word-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.3em}
.article-body h2{
  font-size:24px;line-height:1.35;color:var(--tx-1);
  margin:48px 0 16px;padding-left:14px;border-left:3px solid var(--pri);
}
.article-body h3{font-size:19px;color:var(--tx-1);margin:32px 0 12px}
.article-body h4{font-size:17px;color:var(--tx-1);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:2px}
.article-body li{position:relative;padding-left:20px;line-height:1.9;margin-bottom:6px}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.85em;width:6px;height:6px;border-radius:2px;
  background:var(--pri);opacity:.85;
}
.article-body ol{counter-reset:li}
.article-body ol > li{counter-increment:li}
.article-body ol > li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;
  font-size:12.5px;color:var(--pri);font-variant-numeric:tabular-nums;line-height:2.6;
}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;border-left:3px solid var(--pri);
  background:var(--glass-bg);border-radius:0 var(--r-md) var(--r-md) 0;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  color:var(--tx-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:24px 0;border:1px solid var(--line-2)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--tx-3);text-align:center;margin-top:10px}
.article-body a{color:var(--pri);border-bottom:1px solid rgba(25,225,184,.34)}
.article-body a:hover{color:var(--pri-hover);border-bottom-color:var(--pri-hover)}
.article-body strong{color:var(--tx-1)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14.5px;
  background:rgba(25,225,184,.10);border:1px solid rgba(25,225,184,.20);color:var(--pri-hover);
  padding:2px 6px;border-radius:6px;
}
.table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:var(--r-md)}
.table-scroll table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px}
.table-scroll th{
  text-align:left;padding:12px 16px;background:rgba(255,255,255,.04);color:var(--tx-1);
  font-weight:600;border-bottom:1px solid var(--line);
}
.table-scroll td{padding:12px 16px;border-bottom:1px solid var(--line-2);color:var(--tx-2)}
.table-scroll tr:last-child td{border-bottom:0}

/* ---------- 目录 ---------- */
.toc{position:sticky;top:96px;padding-left:8px}
.toc h4{font-size:13px;color:var(--tx-3);font-weight:600;letter-spacing:.08em;margin-bottom:14px}
.toc ul{border-left:1px solid var(--line);padding-left:0}
.toc a{
  display:block;font-size:14px;color:var(--tx-2);padding:7px 0 7px 16px;margin-left:-1px;
  border-left:2px solid transparent;line-height:1.55;
}
.toc a:hover{color:var(--tx-1)}
.toc a.active{color:var(--pri);border-left-color:var(--pri)}

/* ---------- 尾部互动 ---------- */
.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--tx-2);font-size:13px;
  transition:all .2s ease;
}
.tag:hover{color:var(--pri);border-color:rgba(25,225,184,.34);background:rgba(25,225,184,.07)}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}

/* ---------- 双列继续阅读 ---------- */
.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.pager-card{
  display:block;padding:18px 20px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--glass-hi);transition:transform .2s ease,border-color .2s ease;
}
.pager-card:hover{transform:translateY(-2px);border-color:rgba(25,225,184,.34);color:inherit}
.pager-card .dir{font-size:12.5px;color:var(--tx-3);display:flex;align-items:center;gap:8px}
.pager-card .ttl{margin-top:8px;font-size:16px;font-weight:600;color:var(--tx-1)}
.pager-card:hover .ttl{color:var(--pri)}

/* ---------- 相关推荐 ---------- */
.section{padding:var(--sp7) 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{margin-top:8px;font-size:15px;color:var(--tx-2)}
.rec-list{display:grid;gap:14px}
.rec-item{
  display:grid;grid-template-columns:88px minmax(0,1fr) auto;gap:18px;align-items:center;
  padding:16px;border-radius:var(--r-lg);border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.rec-item:hover{transform:translateY(-2px);border-color:rgba(25,225,184,.34);background:rgba(25,225,184,.05);color:inherit}
.rec-item img{width:88px;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-md);border:1px solid var(--line-2)}
.rec-item h3{font-size:16.5px;color:var(--tx-1)}
.rec-item p{margin-top:6px;font-size:14px;color:var(--tx-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-item .arrow{color:var(--tx-3);font-size:14px;transition:transform .2s ease,color .2s ease}
.rec-item:hover .arrow{color:var(--pri);transform:translateX(4px)}

/* ---------- CTA 带 ---------- */
.cta-band{margin-top:var(--sp7)}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 28px;border-radius:var(--r-lg);border:1px solid var(--glass-brd);
  background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--glass-hi);position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 220px at 10% 0%,rgba(25,225,184,.12),transparent 70%),
             radial-gradient(360px 200px at 92% 100%,rgba(255,181,69,.08),transparent 70%);
  pointer-events:none;
}
.cta-inner > *{position:relative}
.cta-inner h3{font-size:19px}
.cta-inner p{margin-top:6px;font-size:14px;color:var(--tx-2)}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 空态 ---------- */
.empty-state{
  padding:56px 32px;text-align:center;border-radius:var(--r-lg);
  border:1px dashed rgba(25,225,184,.28);background:var(--glass-bg);
}
.empty-state i{font-size:30px;color:var(--pri);opacity:.8}
.empty-state h2{margin-top:18px;font-size:22px}
.empty-state p{margin-top:10px;color:var(--tx-2);font-size:15px}
.empty-state .btn-s{margin-top:22px}

/* ---------- 轻提示 ---------- */
.toast-bar{
  position:fixed;top:18px;left:50%;transform:translate(-50%,-24px);
  padding:11px 20px;border-radius:var(--r-xs);border:1px solid rgba(25,225,184,.34);
  background:rgba(11,20,32,.94);color:var(--tx-1);font-size:14px;z-index:200;
  opacity:0;pointer-events:none;transition:opacity .24s ease,transform .24s ease;
}
.toast-bar.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sp7);border-top:1px solid var(--line);position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(7,12,20,.94),rgba(7,12,20,.98)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.footer-inner{padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14.5px;color:var(--tx-2);max-width:320px;line-height:1.8}
.footer-brand .kw{
  display:inline-flex;margin-top:18px;padding:5px 12px;border-radius:var(--r-xs);
  border:1px solid rgba(25,225,184,.28);color:var(--pri);font-size:13px;background:rgba(25,225,184,.07);
}
.site-footer h4{font-size:14px;color:var(--tx-1);margin-bottom:18px;letter-spacing:.04em}
.site-footer ul li{margin-bottom:11px;font-size:14px;color:var(--tx-2);line-height:1.7}
.site-footer ul li a{color:var(--tx-2)}
.site-footer ul li a:hover{color:var(--pri)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--tx-3);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s ease,transform .48s ease}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:0}
  .toc{display:none}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;top:56px;left:0;right:0;bottom:0;margin:0;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 0;
    background:rgba(7,12,20,.97);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
    overflow-y:auto;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:none}
  .nav-links a{
    display:flex;align-items:center;justify-content:space-between;
    min-height:52px;padding:0 24px;font-size:16px;color:var(--tx-1);
    border-bottom:1px solid var(--line-2);
  }
  .nav-links a::after{content:"\f105";position:static;transform:none;background:none;height:auto;width:auto;
    font-family:"Font Awesome 6 Free";font-weight:900;color:var(--tx-3);font-size:14px}
  .nav-links a:hover::after,.nav-links a.active::after{color:var(--pri)}
  .nav-toggle{display:flex}
  .nav-search span{display:none}
  .nav-search{padding:0 12px}
  .nav-inner{height:56px;gap:16px}
  .nav-actions .btn-p{padding:9px 16px;font-size:14px}
  .section{padding:72px 0 0}
  .site-footer{margin-top:72px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .article-wrap{padding-top:32px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;margin-top:40px}
  .article-body h3{font-size:18px}
  .head-meta{gap:14px}
  .head-tools{margin-left:0;width:100%}
  .pager-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:stretch}
  .cta-btns{flex-direction:column}
  .cta-btns .btn-p,.cta-btns .btn-s{width:100%;min-height:44px}
  .rec-item{grid-template-columns:72px minmax(0,1fr);gap:14px}
  .rec-item img{width:72px}
  .rec-item .arrow{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-inner{padding:48px 0 24px}
  .section{padding:56px 0 0}
  .site-footer{margin-top:56px}
  .btn-p,.btn-s{min-height:44px}
}

/* roulang page: category1 */
:root{
  --bg-0:#070C14;
  --bg-1:#0B1420;
  --glass-bg:rgba(13,24,36,.58);
  --glass-brd:rgba(25,225,184,.16);
  --glass-brd-hi:rgba(25,225,184,.34);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.06);
  --pri:#19E1B8;
  --pri-hover:#4BF0D0;
  --pri-active:#0FB694;
  --pri-deep:#0B7F6C;
  --acc:#FFB545;
  --acc-2:#FF5C7A;
  --tx-1:#EAF2F6;
  --tx-2:#A7B6C2;
  --tx-3:#6E8090;
  --line:rgba(255,255,255,.10);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-xs:8px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --nav-h:64px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;}
p{margin:0 0 1em;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
::selection{background:rgba(25,225,184,.28);color:#fff;}

.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--nav-h);
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(0,0,0,.28);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--tx-1);letter-spacing:.01em;flex:0 0 auto;}
.brand .mark{
  display:inline-grid;place-items:center;
  width:32px;height:32px;border-radius:var(--r-xs);
  background:linear-gradient(140deg,var(--pri) 0%,var(--pri-deep) 100%);
  color:#04120F;font-size:13px;font-weight:900;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(25,225,184,.35),0 6px 18px rgba(25,225,184,.22);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-right:auto;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:var(--r-xs);
  font-size:15px;color:var(--tx-2);
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--pri);transform:scaleX(0);transform-origin:left center;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--tx-1);background:rgba(255,255,255,.04);}
.nav-links a.active{color:var(--tx-1);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  color:var(--tx-2);font-size:14px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.nav-search:hover{border-color:var(--glass-brd-hi);color:var(--tx-1);background:rgba(25,225,184,.06);}
.nav-search i{font-size:13px;color:var(--pri);}
.btn-p{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-sm);
  background:var(--pri);color:#04120F;font-size:15px;font-weight:700;
  box-shadow:0 0 0 1px rgba(25,225,184,.45),0 8px 28px rgba(25,225,184,.26);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-p:hover{background:var(--pri-hover);color:#04120F;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(25,225,184,.55),0 12px 32px rgba(25,225,184,.34);}
.btn-p:active{background:var(--pri-active);transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.28);}
.btn-s{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.02);
  border:1px solid var(--glass-brd);
  color:var(--pri);font-size:15px;font-weight:600;
  transition:border-color .2s ease,background .2s ease,transform .2s ease,color .2s ease;
}
.btn-s:hover{border-color:var(--glass-brd-hi);background:rgba(25,225,184,.08);color:var(--pri-hover);transform:translateY(-1px);}
.btn-s:active{transform:translateY(0);}
.btn-g{display:inline-flex;align-items:center;gap:6px;color:var(--tx-2);font-size:15px;position:relative;padding:2px 0;transition:color .2s ease;}
.btn-g::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(1);transform-origin:left;transition:transform .25s ease;}
.btn-g:hover{color:var(--pri);}
.btn-g:hover::after{transform:scaleX(.4);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--pri);outline-offset:2px;border-radius:6px;
}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-xs);align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--line);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--tx-1);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--pri);text-transform:uppercase;
  margin-bottom:16px;font-weight:700;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--pri);border-radius:2px;}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-head h2{font-size:30px;margin-bottom:14px;}
.sec-head p{color:var(--tx-2);font-size:16px;margin:0;}
.badge-tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-xs);
  background:rgba(25,225,184,.10);
  border:1px solid var(--glass-brd);
  color:var(--pri);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-acc{background:rgba(255,181,69,.10);border-color:rgba(255,181,69,.28);color:var(--acc);}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--pri);font-size:15px;font-weight:600;transition:gap .2s ease,color .2s ease;}
.link-arrow i{font-size:12px;transition:transform .2s ease;}
.link-arrow:hover{color:var(--pri-hover);gap:12px;}
.link-arrow:hover i{transform:translateX(2px);}

/* ---------- Hero ---------- */
.hero-n{
  position:relative;overflow:hidden;
  min-height:clamp(280px,34vh,380px);
  display:flex;align-items:center;
  padding:56px 0;
  border-bottom:1px solid var(--line);
}
.hero-n::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(600px 380px at 12% 0%,rgba(25,225,184,.10),transparent 70%),
    radial-gradient(520px 340px at 88% 100%,rgba(255,181,69,.06),transparent 72%),
    linear-gradient(180deg,rgba(7,12,20,.78) 0%,rgba(7,12,20,.92) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.hero-n .container-x{position:relative;z-index:1;}
.crumb{margin-bottom:18px;}
.crumb ul{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--tx-3);opacity:.6;}
.crumb a{color:var(--tx-2);transition:color .2s ease;}
.crumb a:hover{color:var(--pri);}
.crumb [aria-current="page"]{color:var(--tx-3);}
.hero-n h1{font-size:44px;max-width:820px;letter-spacing:-.015em;}
.hero-n h1 em{font-style:normal;color:var(--pri);}
.hero-sub{max-width:720px;margin:18px 0 0;font-size:18px;line-height:1.8;color:var(--tx-2);}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px;font-size:14px;color:var(--tx-3);}
.hero-meta b{color:var(--tx-1);font-size:18px;font-variant-numeric:tabular-nums;margin-right:4px;}
.hero-meta .dot{width:1px;height:14px;background:var(--line);}

/* ---------- 交替图文 ---------- */
.duo-list{display:flex;flex-direction:column;gap:72px;}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.duo-media{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);}
.duo-media img{aspect-ratio:3/2;object-fit:cover;width:100%;transition:transform .4s ease;}
.duo-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(7,12,20,0) 40%,rgba(7,12,20,.55) 100%);}
.duo-media:hover img{transform:scale(1.03);}
.duo.rev .duo-media{order:2;}
.duo.rev .duo-body{order:1;}
.duo-body h3{font-size:22px;margin:14px 0 14px;}
.duo-body p{color:var(--tx-2);font-size:16px;margin:0 0 14px;}
.duo-body .link-arrow{margin-top:6px;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.step{padding:28px 24px 8px;border-right:1px solid var(--line);position:relative;}
.step:last-child{border-right:none;}
.step .idx{font-size:26px;font-weight:800;color:var(--pri);font-variant-numeric:tabular-nums;letter-spacing:.02em;display:block;margin-bottom:10px;}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{color:var(--tx-2);font-size:15px;margin:0;}

/* ---------- 场景列表 ---------- */
.scene{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.scene-list{border-top:1px solid var(--line);}
.scene-row{display:flex;gap:20px;padding:22px 8px;border-bottom:1px solid var(--line);transition:background .2s ease,padding-left .2s ease;}
.scene-row:hover{background:rgba(25,225,184,.04);padding-left:16px;}
.scene-row .sn{color:var(--acc);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;flex:0 0 34px;padding-top:2px;}
.scene-row h3{font-size:17px;margin-bottom:6px;}
.scene-row p{margin:0;color:var(--tx-2);font-size:15px;}
.scene-aside{background:var(--glass-bg);border:1px solid var(--glass-brd);border-radius:var(--r-lg);padding:26px;box-shadow:var(--glass-hi);}
.scene-aside h3{font-size:18px;margin-bottom:12px;}
.scene-aside p{color:var(--tx-2);font-size:15px;margin:0 0 14px;}
.scene-aside ul{display:flex;flex-direction:column;gap:10px;}
.scene-aside li{display:flex;gap:10px;font-size:15px;color:var(--tx-2);}
.scene-aside li i{color:var(--pri);font-size:12px;margin-top:7px;}

/* ---------- FAQ ---------- */
.faq-acc{max-width:900px;}
.faq-acc .accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--glass-hi);
  transition:border-color .2s ease;
}
.faq-acc .accordion-item:hover{border-color:var(--glass-brd-hi);}
.faq-acc .accordion-button{
  background:transparent;color:var(--tx-1);
  font-size:17px;font-weight:600;line-height:1.5;
  padding:18px 20px;
  box-shadow:none;
  display:flex;align-items:center;gap:16px;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--pri);background:rgba(25,225,184,.05);}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;
  width:24px;height:24px;flex:0 0 24px;margin-left:auto;
  display:grid;place-items:center;
  font-size:20px;font-weight:400;line-height:1;color:var(--pri);
  transition:transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--pri);outline-offset:-2px;}
.faq-acc .accordion-body{padding:0 20px 20px;color:var(--tx-2);font-size:15px;line-height:1.8;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,20,32,.9),rgba(7,12,20,.92));
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 300px at 8% 10%,rgba(25,225,184,.10),transparent 70%),
    radial-gradient(420px 260px at 92% 90%,rgba(255,181,69,.06),transparent 72%);
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px 0;
}
.cta-inner h3{font-size:22px;margin-bottom:8px;}
.cta-inner p{margin:0;color:var(--tx-2);font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  border-top:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(7,12,20,.90),rgba(7,12,20,.97)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.footer-inner{padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand p{color:var(--tx-2);font-size:14px;margin:16px 0 16px;max-width:340px;line-height:1.8;}
.footer-brand .kw{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-xs);
  background:rgba(25,225,184,.08);border:1px solid var(--glass-brd);
  color:var(--pri);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.site-footer h4{font-size:15px;margin-bottom:16px;color:var(--tx-1);}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer li{color:var(--tx-2);font-size:14px;}
.site-footer ul a{color:var(--tx-2);font-size:14px;transition:color .2s ease;}
.site-footer ul a:hover{color:var(--pri);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--tx-3);font-variant-numeric:tabular-nums;
}

/* ---------- 轻提示 ---------- */
.toast-bar{
  position:fixed;top:18px;left:50%;transform:translate(-50%,-24px);
  z-index:120;opacity:0;pointer-events:none;
  padding:12px 22px;border-radius:var(--r-sm);
  background:rgba(13,24,36,.92);
  border:1px solid var(--glass-brd-hi);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  color:var(--tx-1);font-size:14px;box-shadow:var(--sh-1);
  transition:opacity .25s ease,transform .25s ease;
}
.toast-bar.show{opacity:1;transform:translate(-50%,0);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s ease,transform .48s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none!important;transition-duration:.01ms!important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container-x{max-width:100%;}
  .hero-n h1{font-size:38px;}
}
@media (max-width:991px){
  :root{--nav-h:56px;}
  .nav-links{
    position:fixed;left:0;right:0;top:56px;
    flex-direction:column;align-items:stretch;gap:0;
    padding:12px 24px 28px;
    background:rgba(7,12,20,.97);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:opacity .24s ease,transform .24s ease;
    max-height:calc(100vh - 56px);overflow-y:auto;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto;}
  .nav-links a{padding:0;height:52px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;justify-content:space-between;}
  .nav-links a::after{display:none;}
  .nav-links a::before{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--tx-3);order:2;}
  .nav-links a:hover{background:transparent;color:var(--pri);}
  .nav-links a.active{color:var(--pri);}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .section.tight{padding:56px 0;}
  .duo{grid-template-columns:1fr;gap:24px;}
  .duo.rev .duo-media,.duo.rev .duo-body{order:initial;}
  .duo-media img{aspect-ratio:16/10;}
  .duo-list{gap:56px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step{border-bottom:1px solid var(--line);}
  .step:nth-child(2n){border-right:none;}
  .scene{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container-x{padding:0 16px;}
  .hero-n{min-height:auto;padding:40px 0;}
  .hero-n h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .sec-head h2{font-size:24px;}
  .sec-head{margin-bottom:32px;}
  .duo-body h3{font-size:20px;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:none;padding:24px 0 8px;}
  .faq-acc .accordion-button{font-size:16px;padding:16px;}
  .btn-p,.btn-s{min-height:44px;}
  .cta-actions .btn-p,.cta-actions .btn-s{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .hero-n h1{font-size:28px;}
  .hero-meta{gap:10px;font-size:13px;}
  .brand span:last-child{font-size:16px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#070C14;
  --bg-1:#0B1420;
  --glass-bg:rgba(13,24,36,.58);
  --glass-brd:rgba(25,225,184,.16);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.06);
  --pri:#19E1B8;
  --pri-hover:#4BF0D0;
  --pri-active:#0FB694;
  --pri-deep:#0B7F6C;
  --acc:#FFB545;
  --acc-2:#FF5C7A;
  --tx-1:#EAF2F6;
  --tx-2:#A7B6C2;
  --tx-3:#6E8090;
  --line:rgba(255,255,255,.10);
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-badge:8px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-glow:0 0 0 1px rgba(25,225,184,.45), 0 8px 28px rgba(25,225,184,.26);
  --ease:.2s ease;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.wrap-cat{max-width:1140px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.scrolled{
  background:var(--glass-bg);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.nav-inner{
  height:64px;
  display:flex;
  align-items:center;
  gap:36px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--tx-1);
  letter-spacing:.01em;
  flex:none;
}
.brand .mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:var(--r-badge);
  background:linear-gradient(140deg,var(--pri),var(--pri-deep));
  color:#04241E;
  font-size:13px;
  font-weight:800;
  letter-spacing:0;
}
.brand:hover{color:var(--pri-hover)}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-right:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--tx-2);
  padding:6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--pri);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--tx-1)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--tx-1)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:none;
}
.nav-search{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--tx-2);
  padding:8px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-badge);
  transition:border-color var(--ease),color var(--ease);
}
.nav-search:hover{color:var(--tx-1);border-color:var(--glass-brd)}
.btn-p{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:40px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--pri);
  color:#03231D;
  font-size:15px;
  font-weight:700;
  border:0;
  cursor:pointer;
  box-shadow:var(--sh-glow);
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease);
}
.btn-p:hover{background:var(--pri-hover);color:#03231D;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(25,225,184,.6),0 12px 34px rgba(25,225,184,.34)}
.btn-p:active{background:var(--pri-active);transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.28)}
.btn-s{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:40px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:rgba(25,225,184,.05);
  border:1px solid var(--glass-brd);
  color:var(--pri);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.btn-s:hover{border-color:rgba(25,225,184,.5);background:rgba(25,225,184,.1);color:var(--pri-hover);transform:translateY(-1px)}
.btn-g{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:40px;
  padding:0 6px;
  background:none;
  border:0;
  color:var(--tx-2);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  position:relative;
}
.btn-g::after{
  content:"";
  position:absolute;
  left:6px;right:6px;bottom:4px;
  height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.btn-g:hover{color:var(--pri)}
.btn-g:hover::after{transform:scaleX(1)}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:0 10px;
  background:none;
  border:1px solid var(--line);
  border-radius:var(--r-badge);
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  height:2px;
  background:var(--tx-1);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  min-height:clamp(280px,34vh,380px);
  display:flex;
  align-items:center;
  padding:56px 0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(7,12,20,.96) 0%,rgba(7,12,20,.86) 48%,rgba(7,12,20,.68) 100%);
}
.cat-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 8% 0%,rgba(25,225,184,.12),transparent 68%),
    radial-gradient(520px 300px at 96% 100%,rgba(255,181,69,.07),transparent 70%);
  pointer-events:none;
}
.cat-hero .container-x{position:relative;z-index:2}
.crumb ul{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:20px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li:not(:last-child)::after{content:"/";color:rgba(255,255,255,.22)}
.crumb a{color:var(--tx-2)}
.crumb a:hover{color:var(--pri)}
.crumb li[aria-current]{color:var(--tx-1)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--pri);
  text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--pri)}
.cat-hero h1{
  font-size:clamp(28px,4vw,44px);
  margin-bottom:16px;
  max-width:840px;
}
.cat-hero h1 em{font-style:normal;color:var(--pri)}
.cat-hero .lead{
  font-size:17px;
  line-height:1.8;
  color:var(--tx-2);
  max-width:720px;
  margin-bottom:26px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--tx-2);
  padding:7px 14px;
  border-radius:var(--r-badge);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.chip i{color:var(--pri);font-size:12px}

/* ---------- anchor bar (mobile) ---------- */
.anchor-bar{display:none}

/* ---------- layout ---------- */
.main-block{padding:96px 0 0}
.toc-layout{
  display:grid;
  grid-template-columns:240px 1fr;
  gap:48px;
  align-items:start;
}
.toc-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.toc-side-title{
  font-size:13px;
  letter-spacing:.14em;
  color:var(--tx-3);
  text-transform:uppercase;
}
.toc-nav{border-left:1px solid var(--line)}
.toc-nav a{
  display:block;
  padding:10px 14px;
  font-size:14px;
  color:var(--tx-2);
  border-left:2px solid transparent;
  margin-left:-1px;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.toc-nav a:hover{color:var(--tx-1);background:rgba(255,255,255,.03)}
.toc-nav a.on{
  color:var(--pri);
  border-left-color:var(--pri);
  background:rgba(25,225,184,.06);
}
.toc-figure{
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass-bg);
}
.toc-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.toc-figure figcaption{
  padding:12px 14px;
  font-size:13px;
  line-height:1.6;
  color:var(--tx-3);
}

/* ---------- sections / directory ---------- */
.toc-body{display:flex;flex-direction:column;gap:72px}
.toc-sec{scroll-margin-top:96px}
.sec-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:14px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.sec-idx{
  font-size:24px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--pri);
  line-height:1;
}
.sec-head h2{font-size:clamp(22px,2.4vw,30px)}
.sec-note{
  font-size:14px;
  color:var(--tx-3);
  flex:1 1 260px;
}
.toc-list{border-top:1px solid transparent}
.toc-row{
  display:flex;
  align-items:flex-start;
  gap:20px;
  min-height:68px;
  padding:16px 10px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease),padding var(--ease);
}
.toc-row:nth-child(even){background:rgba(255,255,255,.018)}
.toc-row:hover{background:rgba(25,225,184,.055)}
.toc-num{
  flex:none;
  width:34px;
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--pri);
  line-height:1.5;
}
.toc-main{flex:1 1 auto;min-width:0}
.toc-name{
  display:block;
  font-size:17px;
  font-weight:600;
  color:var(--tx-1);
  margin-bottom:4px;
}
.toc-desc{
  display:block;
  font-size:14px;
  line-height:1.65;
  color:var(--tx-3);
}
.toc-arw{
  flex:none;
  align-self:center;
  color:var(--tx-3);
  font-size:13px;
  transition:transform var(--ease),color var(--ease);
}
.toc-row:hover .toc-arw{transform:translateX(4px);color:var(--pri)}

/* ---------- faq ---------- */
.faq-block{padding:96px 0 0}
.block-head{margin-bottom:32px}
.block-head h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:12px}
.block-head p{font-size:15px;color:var(--tx-3);max-width:680px}
.faq-acc .accordion-item{
  background:var(--glass-bg);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  box-shadow:var(--glass-hi);
  margin-bottom:12px;
  overflow:hidden;
}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--tx-1);
  font-size:17px;
  font-weight:600;
  padding:20px 56px 20px 20px;
  border-radius:0;
  box-shadow:none;
  transition:color var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--pri);
  background:rgba(25,225,184,.05);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--pri);outline-offset:-3px}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(25,225,184,.38)}
.faq-acc .accordion-button::after{
  content:"";
  position:absolute;
  right:22px;top:50%;
  width:12px;height:2px;
  background:var(--pri);
  transform:translateY(-50%);
  transition:transform var(--ease);
  background-image:none;
}
.faq-acc .accordion-button::before{
  content:"";
  position:absolute;
  right:27px;top:50%;
  width:2px;height:12px;
  background:var(--pri);
  transform:translateY(-50%);
  transition:transform var(--ease),opacity var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::before{transform:translateY(-50%) rotate(90deg);opacity:0}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(180deg)}
.faq-acc .accordion-body{
  padding:0 20px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--tx-2);
}

/* ---------- cta band ---------- */
.cta-band{padding:96px 0}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:32px;
  border-radius:var(--r-card);
  border:1px solid var(--glass-brd);
  background:
    radial-gradient(520px 240px at 100% 0%,rgba(255,181,69,.08),transparent 70%),
    radial-gradient(560px 260px at 0% 100%,rgba(25,225,184,.10),transparent 70%),
    var(--glass-bg);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--glass-hi),var(--sh-1);
}
.cta-copy h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.cta-copy p{font-size:15px;color:var(--tx-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:24px;
  border-top:1px solid var(--line);
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.site-footer::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,20,.94),rgba(7,12,20,.98));
}
.footer-inner{position:relative;z-index:2;padding:72px 0 28px}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:var(--tx-3);
  margin:16px 0 14px;
  max-width:340px;
}
.kw{
  display:inline-block;
  font-size:12px;
  color:var(--pri);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-badge);
  padding:4px 10px;
  background:rgba(25,225,184,.06);
}
.footer-grid h4{
  font-size:15px;
  margin-bottom:16px;
  color:var(--tx-1);
}
.footer-grid ul{display:flex;flex-direction:column;gap:10px}
.footer-grid ul li{font-size:14px;color:var(--tx-3);line-height:1.7}
.footer-grid ul a{color:var(--tx-3)}
.footer-grid ul a:hover{color:var(--pri)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:var(--tx-3);
  font-variant-numeric:tabular-nums;
}

/* ---------- toast ---------- */
.toast-tip{
  position:fixed;
  left:50%;
  top:16px;
  transform:translate(-50%,-140%);
  z-index:300;
  padding:12px 22px;
  border-radius:var(--r-badge);
  background:rgba(11,20,32,.94);
  border:1px solid var(--glass-brd);
  color:var(--pri);
  font-size:14px;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,opacity .28s ease;
  opacity:0;
  pointer-events:none;
}
.toast-tip.show{transform:translate(-50%,0);opacity:1}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s ease,transform .48s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .toc-layout{grid-template-columns:210px 1fr;gap:36px}
}
@media (max-width:991px){
  .nav-inner{height:56px;gap:16px}
  .nav-toggle{display:flex}
  .nav-search{display:none}
  .nav-links{
    position:fixed;
    left:0;right:0;
    top:56px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:8px 24px 24px;
    background:rgba(11,20,32,.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    max-height:calc(100vh - 56px);
    overflow:auto;
    opacity:0;
    transform:translateY(-12px);
    pointer-events:none;
    transition:opacity var(--ease),transform var(--ease);
  }
  .nav-links.open{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:52px;
    padding:0;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--pri)}
  .toc-layout{grid-template-columns:1fr;gap:0}
  .toc-side{display:none}
  .anchor-bar{
    display:flex;
    gap:8px;
    overflow-x:auto;
    padding:10px 0;
    position:sticky;
    top:56px;
    z-index:80;
    background:rgba(7,12,20,.92);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    margin-bottom:40px;
    scrollbar-width:none;
  }
  .anchor-bar::-webkit-scrollbar{display:none}
  .anchor-bar a{
    flex:0 0 auto;
    font-size:13px;
    padding:7px 14px;
    border-radius:var(--r-badge);
    border:1px solid var(--line);
    color:var(--tx-2);
  }
  .anchor-bar a.on{color:var(--pri);border-color:var(--glass-brd);background:rgba(25,225,184,.07)}
  .main-block{padding:56px 0 0}
  .toc-body{gap:56px}
  .faq-block{padding:64px 0 0}
  .cta-band{padding:64px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:26px}
  .cta-actions{width:100%}
  .cta-actions .btn-p,.cta-actions .btn-s,.cta-actions .btn-g{flex:1 1 100%;min-height:44px}
  .footer-inner{padding:56px 0 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cat-hero{padding:40px 0}
}
@media (max-width:767px){
  .container-x,.wrap-cat{padding:0 16px}
  body{font-size:15px}
  .cat-hero h1{font-size:28px}
  .cat-hero .lead{font-size:15px}
  .toc-row{flex-wrap:nowrap;gap:14px;padding:14px 6px}
  .toc-name{font-size:16px}
  .toc-desc{font-size:13px}
  .sec-head h2{font-size:22px}
  .faq-acc .accordion-button{font-size:16px;padding:18px 52px 18px 16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:519px){
  .hero-meta{gap:8px}
  .chip{font-size:12px;padding:6px 10px}
  .brand span:last-child{font-size:16px}
  .btn-p{padding:0 16px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#070C14;
  --bg-1:#0B1420;
  --glass-bg:rgba(13,24,36,.58);
  --glass-brd:rgba(25,225,184,.16);
  --glass-blur:blur(16px);
  --pri:#19E1B8;
  --pri-hover:#4BF0D0;
  --pri-active:#0FB694;
  --pri-deep:#0B7F6C;
  --acc:#FFB545;
  --acc-2:#FF5C7A;
  --tx-1:#EAF2F6;
  --tx-2:#A7B6C2;
  --tx-3:#6E8090;
  --line:rgba(255,255,255,.10);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-xs:8px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg-0);color:var(--tx-1);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em;font-weight:600;}
p{margin:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
.container-x{max-width:1140px;margin:0 auto;padding:0 24px;width:100%;}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:6px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;width:100%;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:var(--glass-bg);
  backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:36px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:600;letter-spacing:.01em;color:var(--tx-1);white-space:nowrap;}
.brand .mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:var(--r-xs);
  background:linear-gradient(135deg,var(--pri) 0%,var(--pri-deep) 100%);
  color:#04211B;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.brand:hover{color:var(--pri-hover);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:64px;
  padding:0 14px;font-size:15px;color:var(--tx-2);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;
  background:var(--pri);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--tx-1);}
.nav-links a.active{color:var(--tx-1);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border-radius:var(--r-xs);border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--tx-2);font-size:14px;
}
.nav-search:hover{border-color:rgba(25,225,184,.40);color:var(--pri);}
.nav-search i{font-size:13px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-xs);
  background:rgba(255,255,255,.03);padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--tx-1);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* buttons */
.btn-p,.btn-s{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-p{
  background:var(--pri);color:#04211B;border:0;
  box-shadow:0 0 0 1px rgba(25,225,184,.45),0 8px 28px rgba(25,225,184,.26);
}
.btn-p:hover{background:var(--pri-hover);color:#04211B;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(25,225,184,.6),0 12px 34px rgba(25,225,184,.34);}
.btn-p:active{background:var(--pri-active);transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.32);}
.btn-s{
  background:rgba(255,255,255,.03);color:var(--pri);border:1px solid rgba(25,225,184,.4);
}
.btn-s:hover{background:rgba(25,225,184,.10);color:var(--pri-hover);border-color:rgba(25,225,184,.7);transform:translateY(-1px);}
.btn-g{
  background:none;border:0;padding:0 2px;min-height:44px;color:var(--tx-2);font-size:15px;font-weight:500;
  position:relative;
}
.btn-g::after{content:"";position:absolute;left:2px;right:2px;bottom:12px;height:1px;background:var(--pri);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.btn-g:hover{color:var(--pri);}
.btn-g:hover::after{transform:scaleX(1);}

/* mobile drawer */
.nav-drawer{
  position:fixed;inset:0;z-index:55;display:none;flex-direction:column;
  padding:84px 24px 40px;background:rgba(7,12,20,.96);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.nav-drawer.open{display:flex;animation:drawerIn .26s ease;}
@keyframes drawerIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;border-bottom:1px solid var(--line);font-size:17px;color:var(--tx-1);
}
.nav-drawer a i{font-size:13px;color:var(--tx-3);}
.nav-drawer a.active{color:var(--pri);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  min-height:clamp(300px,36vh,400px);
  display:flex;align-items:center;
  padding:48px 0 56px;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.30;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,12,20,.96) 0%,rgba(7,12,20,.82) 48%,rgba(7,12,20,.58) 100%);
}
.hero-inner{position:relative;z-index:2;}
.crumb{margin-bottom:20px;}
.crumb ul{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--tx-3);}
.crumb li{display:flex;align-items:center;gap:10px;}
.crumb li+li::before{content:"/";color:var(--tx-3);}
.crumb a{color:var(--tx-2);}
.crumb a:hover{color:var(--pri);}
.crumb .now{color:var(--tx-1);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--pri);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--pri);border-radius:2px;}
.page-hero h1{font-size:clamp(30px,4.4vw,44px);margin-bottom:16px;}
.page-hero h1 em{font-style:normal;color:var(--pri);}
.hero-sub{max-width:700px;font-size:17px;line-height:1.8;color:var(--tx-2);}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:26px;
}
.hero-meta span{
  font-size:13px;color:var(--tx-2);padding:0 18px;border-right:1px solid var(--line);
  font-variant-numeric:tabular-nums;line-height:1.4;
}
.hero-meta span:first-child{padding-left:0;}
.hero-meta span:last-child{border-right:0;padding-right:0;}
.hero-meta strong{color:var(--tx-1);font-weight:600;}

/* ---------- sections ---------- */
.sec{padding:96px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
.sec-head h2{font-size:clamp(24px,3vw,30px);margin-bottom:10px;}
.sec-head p{font-size:15px;color:var(--tx-2);max-width:680px;}
.sec-head .more{font-size:14px;color:var(--pri);white-space:nowrap;}
.sec-head .more:hover{color:var(--pri-hover);}

/* ---------- card wall ---------- */
.wall{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.wall-card{
  background:var(--glass-bg);border:1px solid var(--glass-brd);border-radius:var(--r-lg);
  overflow:hidden;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.wall-card:hover{transform:translateY(-2px);border-color:rgba(25,225,184,.34);box-shadow:var(--sh-1);}
.wall-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.wall-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.wall-card:hover .wall-media img{transform:scale(1.03);}
.wall-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,20,0) 42%,rgba(7,12,20,.78) 100%);
}
.wall-tag{
  position:absolute;left:16px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-xs);
  background:rgba(13,24,36,.72);border:1px solid var(--glass-brd);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  font-size:12px;color:var(--pri);letter-spacing:.04em;
}
.wall-body{padding:20px;}
.wall-body h3{font-size:20px;margin-bottom:10px;}
.wall-body p{
  font-size:15px;color:var(--tx-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- compare table ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--glass-brd);border-radius:var(--r-lg);
  background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
}
.cmp-table{width:100%;min-width:760px;border-collapse:collapse;}
.cmp-table th,.cmp-table td{
  padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--tx-2);vertical-align:top;
}
.cmp-table thead th{
  background:rgba(255,255,255,.045);color:var(--tx-1);font-weight:600;font-size:14px;letter-spacing:.02em;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.cmp-table tbody th{color:var(--tx-1);font-weight:600;}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr:hover td,.cmp-table tbody tr:hover th{background:rgba(25,225,184,.05);}

/* ---------- faq cards ---------- */
.faq-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.faq-card{
  background:var(--glass-bg);border:1px solid var(--glass-brd);border-radius:var(--r-lg);
  padding:24px;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
  transition:transform .2s ease,border-color .2s ease;
}
.faq-card:hover{transform:translateY(-2px);border-color:rgba(25,225,184,.34);}
.faq-card .q{display:flex;gap:12px;align-items:flex-start;font-size:17px;font-weight:600;color:var(--tx-1);margin-bottom:12px;}
.faq-card .q i{color:var(--pri);font-size:15px;margin-top:5px;}
.faq-card p{font-size:15px;color:var(--tx-2);line-height:1.8;}

/* ---------- cta band ---------- */
.cta-wrap{padding:72px 0 0;}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:24px 28px;border-radius:18px;border:1px solid var(--glass-brd);
  background:
    radial-gradient(600px 200px at 8% 0%,rgba(25,225,184,.14),transparent 70%),
    radial-gradient(500px 220px at 92% 100%,rgba(255,181,69,.10),transparent 70%),
    var(--glass-bg);
  backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
}
.cta-band .lead{display:flex;align-items:center;gap:14px;font-size:17px;font-weight:600;color:var(--tx-1);}
.cta-band .lead i{color:var(--acc);font-size:18px;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:96px;overflow:hidden;
  border-top:1px solid var(--line);
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
}
.site-footer::before{content:"";position:absolute;inset:0;background:rgba(7,12,20,.93);}
.footer-inner{position:relative;z-index:2;padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand p{font-size:14px;color:var(--tx-2);line-height:1.85;max-width:330px;margin-top:14px;}
.kw{
  display:inline-block;margin-top:14px;padding:4px 10px;border-radius:var(--r-xs);
  border:1px solid var(--glass-brd);color:var(--pri);font-size:12px;letter-spacing:.04em;
}
.site-footer h4{font-size:14px;color:var(--tx-1);margin-bottom:16px;font-weight:600;letter-spacing:.02em;}
.site-footer ul{display:flex;flex-direction:column;gap:11px;}
.site-footer li{font-size:14px;color:var(--tx-2);line-height:1.7;}
.site-footer a{color:var(--tx-2);}
.site-footer a:hover{color:var(--pri);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--tx-3);font-variant-numeric:tabular-nums;
}

/* ---------- toast ---------- */
.toast-bar{
  position:fixed;top:18px;left:50%;transform:translate(-50%,-24px);
  z-index:120;padding:12px 20px;border-radius:var(--r-sm);
  background:rgba(13,24,36,.94);border:1px solid rgba(25,225,184,.4);
  color:var(--tx-1);font-size:14px;opacity:0;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
}
.toast-bar.show{opacity:1;transform:translate(-50%,0);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s ease,transform .48s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{animation:none !important;}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container-x{padding:0 24px;}
  .nav-links a{padding:0 11px;font-size:14.5px;}
}
@media (max-width:991px){
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{height:56px;}
  .site-header{border-bottom:1px solid var(--line);background:rgba(7,12,20,.55);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);}
  .sec{padding-top:72px;}
  .site-footer{margin-top:72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .sec{padding-top:56px;}
  .wall{grid-template-columns:1fr;}
  .faq-cards{grid-template-columns:1fr;}
  .hero-meta span{padding:0 12px;font-size:12.5px;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .wall-body h3{font-size:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-p,.cta-actions .btn-s{width:100%;}
  .cta-actions .btn-g{width:100%;text-align:center;}
}
@media (max-width:575px){
  .container-x{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .page-hero{min-height:auto;padding:36px 0 44px;}
  .footer-inner{padding:48px 0 20px;}
}