/* roulang page: index */
:root{
  --bg:#060B18;
  --bg-soft:#0B1424;
  --bg-card:#101C30;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --txt:#E8EEF7;
  --txt-2:#9FB0C7;
  --txt-3:#66798F;
  --main:#2FE3C2;
  --main-soft:rgba(47,227,194,.12);
  --second:#4C8DFF;
  --amber:#FFC24B;
  --r-lg:20px;
  --r-sm:14px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.75);
  --nav-h:64px;
  --chan-h:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--main);}
button,input,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(6,11,24,.86);backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line);}
.topbar{height:var(--nav-h);display:flex;align-items:center;transition:height .25s ease;}
.site-header.is-shrink .topbar{height:56px;}
.topbar-inner{display:flex;align-items:center;gap:16px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{color:var(--txt);}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--main),var(--second));display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 1px rgba(47,227,194,.35),0 10px 24px -12px rgba(47,227,194,.6);}
.brand-mark span{font-size:17px;font-weight:800;color:#04141A;letter-spacing:-.02em;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--txt-3);letter-spacing:.14em;text-transform:uppercase;}
.nav-search{flex:1 1 auto;max-width:420px;margin-left:12px;position:relative;display:none;}
.nav-search input{width:100%;height:40px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);padding:0 16px 0 40px;color:var(--txt);font-size:14px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.nav-search input::placeholder{color:var(--txt-3);}
.nav-search input:focus{outline:none;border-color:var(--main);background:rgba(47,227,194,.06);box-shadow:0 0 0 3px rgba(47,227,194,.16);}
.nav-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--txt-3);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.status-dot{display:none;align-items:center;gap:7px;font-size:12px;color:var(--txt-2);padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03);}
.status-dot i{width:7px;height:7px;border-radius:50%;background:var(--main);box-shadow:0 0 8px var(--main);display:block;}
.hamburger{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.03);}
.hamburger span{display:block;width:16px;height:1.5px;background:var(--txt);position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--txt);}
.hamburger span::before{top:-5px;}
.hamburger span::after{top:5px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14px;font-weight:600;padding:11px 22px;border:1px solid transparent;transition:transform .18s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,filter .22s ease;}
.btn-primary{background:linear-gradient(135deg,var(--main),var(--second));color:#04141A;box-shadow:0 0 0 1px rgba(47,227,194,.35),0 12px 30px -10px rgba(47,227,194,.45);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#04141A;box-shadow:0 0 0 1px rgba(47,227,194,.5),0 16px 38px -12px rgba(47,227,194,.6);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:rgba(255,255,255,.02);border-color:rgba(255,255,255,.18);color:var(--txt);}
.btn-ghost:hover{border-color:var(--main);background:rgba(47,227,194,.08);color:var(--txt);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:8px 16px;font-size:13px;}
.nav-cta{display:none;}
.search-icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.03);}
.search-icon-btn svg{width:16px;height:16px;stroke:var(--txt-2);}

.chanbar{border-top:1px solid var(--line);background:rgba(6,11,24,.6);}
.chan-scroll{display:flex;align-items:center;gap:8px;height:var(--chan-h);overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;}
.chan-scroll::-webkit-scrollbar{display:none;}
.pill{flex:0 0 auto;scroll-snap-align:start;padding:7px 16px;border-radius:999px;border:1px solid var(--line);font-size:13.5px;color:var(--txt-2);background:rgba(255,255,255,.02);white-space:nowrap;transition:all .2s ease;}
.pill:hover{color:var(--txt);border-color:rgba(47,227,194,.4);}
.pill.is-active{color:var(--txt);border-color:rgba(47,227,194,.65);background:rgba(47,227,194,.1);box-shadow:inset 0 0 18px rgba(47,227,194,.12);}
.mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(9,16,30,.98);padding:12px 0 18px;}
.mobile-menu.is-open{display:block;}
.mobile-menu a{display:block;padding:11px 4px;font-size:15px;color:var(--txt-2);border-bottom:1px solid var(--line);}
.mobile-menu a:last-child{border-bottom:0;}

@media (min-width:768px){
  .nav-search{display:block;}
  .status-dot{display:inline-flex;}
}
@media (min-width:1024px){
  .hamburger{display:none;}
  .nav-cta{display:inline-flex;}
  .search-icon-btn{display:none;}
  .brand-sub{display:block;}
}
@media (max-width:1023px){
  .brand-sub{display:none;}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.42;pointer-events:none;}
.hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,24,.62),rgba(6,11,24,.92) 62%,var(--bg));pointer-events:none;}
.hero-grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:64px 64px;pointer-events:none;mask-image:radial-gradient(circle at 50% 30%,#000 10%,transparent 78%);-webkit-mask-image:radial-gradient(circle at 50% 30%,#000 10%,transparent 78%);}
.hero-inner{position:relative;display:grid;gap:40px;padding:56px 0 72px;}
@media (min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;align-items:center;gap:56px;padding:92px 0 104px;}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.06em;color:var(--main);border:1px solid rgba(47,227,194,.32);background:rgba(47,227,194,.08);padding:6px 14px;border-radius:999px;}
.hero-title{font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin:18px 0 0;}
.hero-title em{font-style:normal;background:linear-gradient(135deg,var(--main),var(--second));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:18px;color:var(--txt-2);font-size:16px;max-width:600px;line-height:1.85;}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{font-size:12.5px;color:var(--txt-2);border:1px solid var(--line);border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.025);}
.tag b{color:var(--main);font-weight:600;}

.panel{position:relative;border-radius:var(--r-lg);border:1px solid var(--line-strong);background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);padding:22px;overflow:hidden;}
.panel-photo{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.16;pointer-events:none;}
.panel-inner{position:relative;}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.panel-head h3{font-size:16px;font-weight:600;}
.panel-note{font-size:12px;color:var(--txt-3);}
.entry-list{display:grid;gap:10px;margin-top:16px;}
.entry-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(255,255,255,.03);transition:border-color .2s ease,transform .2s ease;}
.entry-item:hover{border-color:rgba(47,227,194,.42);transform:translateY(-1px);}
.entry-ico{width:34px;height:34px;border-radius:10px;background:rgba(47,227,194,.12);display:flex;align-items:center;justify-content:center;color:var(--main);font-size:14px;font-weight:700;flex:0 0 auto;}
.entry-item h4{font-size:14.5px;font-weight:600;}
.entry-item p{font-size:12.5px;color:var(--txt-3);}
.entry-flag{margin-left:auto;font-size:11.5px;color:var(--main);border:1px solid rgba(47,227,194,.3);border-radius:999px;padding:3px 10px;}
.progress{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.progress-title{font-size:12.5px;color:var(--txt-3);margin-bottom:12px;}
.progress-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.progress-bar i{display:block;height:100%;width:66%;background:linear-gradient(90deg,var(--main),var(--second));border-radius:999px;}
.progress-steps{display:flex;justify-content:space-between;margin-top:10px;font-size:11.5px;color:var(--txt-3);}
.progress-steps b{color:var(--main);font-weight:600;}

/* ---------- sections ---------- */
.section{padding:64px 0;scroll-margin-top:128px;position:relative;}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-alt{background:linear-gradient(180deg,rgba(76,141,255,.05),transparent 70%);}
.divider{height:1px;background:var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3;letter-spacing:-.01em;margin-top:12px;}
.lead{margin-top:14px;color:var(--txt-2);font-size:15.5px;line-height:1.85;}

.grid-4{display:grid;gap:20px;}
.grid-3{display:grid;gap:20px;}
.grid-2{display:grid;gap:20px;}
@media (min-width:768px){.grid-4{grid-template-columns:repeat(2,1fr);}.grid-3{grid-template-columns:repeat(2,1fr);}.grid-2{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr);}.grid-3{grid-template-columns:repeat(3,1fr);}}

.card{border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.018));box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);padding:22px;transition:transform .2s ease,border-color .2s ease,box-shadow .24s ease;}
.card:hover{transform:translateY(-2px);border-color:rgba(47,227,194,.3);}
.card-ico{width:42px;height:42px;border-radius:12px;background:rgba(47,227,194,.12);color:var(--main);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:16px;}
.card-title{font-size:18px;font-weight:600;line-height:1.5;}
.card-text{margin-top:10px;color:var(--txt-2);font-size:14.5px;line-height:1.85;}

.flow{display:grid;gap:20px;position:relative;}
@media (min-width:1024px){.flow{grid-template-columns:repeat(3,1fr);gap:24px;}.flow::before{content:"";position:absolute;top:34px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,rgba(47,227,194,.45),rgba(76,141,255,.35),rgba(47,227,194,.45));}}
.flow-item{position:relative;padding:24px;border-radius:var(--r-lg);border:1px solid var(--line);background:rgba(255,255,255,.035);}
.flow-num{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#04141A;background:linear-gradient(135deg,var(--main),var(--second));box-shadow:0 0 0 5px rgba(47,227,194,.1);}
.flow-item h3{margin-top:16px;font-size:18px;font-weight:600;}
.flow-item p{margin-top:10px;color:var(--txt-2);font-size:14.5px;line-height:1.85;}
.flow-item ul{margin-top:14px;display:grid;gap:8px;}
.flow-item li{position:relative;padding-left:18px;font-size:13.5px;color:var(--txt-2);}
.flow-item li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--main);}

.stats{display:grid;gap:18px;}
@media (min-width:768px){.stats{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);}}
.stat{border-radius:var(--r-lg);border:1px solid var(--line);background:rgba(255,255,255,.033);padding:24px;text-align:center;}
.stat-num{font-family:Inter,system-ui,sans-serif;font-size:clamp(30px,4vw,42px);font-weight:800;letter-spacing:-.02em;color:var(--main);text-shadow:0 0 24px rgba(47,227,194,.4);line-height:1.1;}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--txt-2);}
.stat p{margin-top:10px;color:var(--txt-2);font-size:14px;}

.quotes{display:grid;gap:18px;margin-top:22px;}
@media (min-width:768px){.quotes{grid-template-columns:repeat(2,1fr);}}
.quote{border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));padding:24px;position:relative;}
.quote-mark{position:absolute;top:14px;right:20px;font-size:44px;line-height:1;color:rgba(47,227,194,.18);font-family:Georgia,serif;}
.quote p{color:var(--txt-2);font-size:14.5px;line-height:1.9;}
.quote-author{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,rgba(47,227,194,.6),rgba(76,141,255,.6));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#04141A;flex:0 0 auto;}
.quote-author strong{display:block;font-size:14px;font-weight:600;}
.quote-author span{font-size:12.5px;color:var(--txt-3);}

/* news */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:34px;}
.news-grid{display:grid;gap:22px;}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{display:flex;flex-direction:column;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,border-color .22s ease;}
.news-card:hover{transform:translateY(-2px);border-color:rgba(47,227,194,.3);}
.news-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0B1424;}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-title{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title{color:var(--main);}
.news-excerpt{margin-top:10px;color:var(--txt-2);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--txt-3);}
.badge{font-size:12px;color:var(--main);border:1px solid rgba(47,227,194,.32);background:rgba(47,227,194,.08);border-radius:999px;padding:3px 11px;}
.news-meta time{margin-left:auto;font-family:Inter,system-ui,sans-serif;}
.empty-state{text-align:center;padding:56px 20px;border:1px dashed var(--line-strong);border-radius:var(--r-lg);background:rgba(255,255,255,.02);}
.empty-state svg{width:42px;height:42px;stroke:var(--txt-3);margin:0 auto 16px;}
.empty-state p{color:var(--txt-2);font-size:15px;}
.empty-state .btn{margin-top:18px;}

/* price */
.price-grid{display:grid;gap:22px;}
@media (min-width:768px){.price-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.price-grid{grid-template-columns:repeat(3,1fr);align-items:start;}}
.price-card{position:relative;border-radius:var(--r-lg);border:1px solid var(--line);background:rgba(255,255,255,.033);padding:28px;display:flex;flex-direction:column;height:100%;transition:transform .2s ease,border-color .22s ease;}
.price-card:hover{transform:translateY(-2px);}
.price-card.is-featured{border-color:rgba(47,227,194,.55);background:linear-gradient(160deg,rgba(47,227,194,.1),rgba(76,141,255,.05));box-shadow:0 0 0 1px rgba(47,227,194,.2),var(--shadow);}
.price-flag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--amber);color:#1A1206;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px;white-space:nowrap;}
.price-name{font-size:16px;font-weight:600;}
.price-desc{margin-top:8px;font-size:13.5px;color:var(--txt-3);}
.price-amount{margin-top:20px;font-family:Inter,system-ui,sans-serif;font-size:36px;font-weight:800;letter-spacing:-.02em;color:var(--txt);}
.price-amount small{font-size:14px;font-weight:500;color:var(--txt-3);margin-left:6px;}
.price-list{margin-top:22px;display:grid;gap:12px;flex:1 1 auto;}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--txt-2);line-height:1.7;}
.price-list li::before{content:"✓";color:var(--main);font-weight:700;flex:0 0 auto;}
.price-card .btn{margin-top:24px;width:100%;}

/* faq */
.faq{display:grid;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-sm);background:rgba(255,255,255,.028);overflow:hidden;transition:border-color .2s ease;}
.faq-item:hover{border-color:rgba(47,227,194,.28);}
.faq-item.is-open{border-color:rgba(47,227,194,.45);background:rgba(47,227,194,.05);}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;text-align:left;padding:18px 20px;font-size:15.5px;font-weight:600;color:var(--txt);}
.faq-icon{margin-left:auto;flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line-strong);position:relative;transition:transform .2s ease,border-color .2s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;top:50%;left:50%;background:var(--txt-2);transform:translate(-50%,-50%);}
.faq-icon::before{width:10px;height:1.5px;}
.faq-icon::after{width:1.5px;height:10px;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--main);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--main);}
.faq-item.is-open .faq-icon::after{height:0;}
.faq-a{display:none;padding:0 20px 20px;color:var(--txt-2);font-size:14.5px;line-height:1.9;}
.faq-item.is-open .faq-a{display:block;}

/* cta band */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(135deg,rgba(47,227,194,.1),rgba(76,141,255,.07));padding:64px 0;scroll-margin-top:128px;}
@media (min-width:1024px){.cta-band{padding:88px 0;}}
.cta-inner{position:relative;display:grid;gap:32px;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr 1fr;align-items:center;gap:56px;}}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.32;margin-top:12px;}
.cta-band p.lead{max-width:520px;}
.cta-points{margin-top:22px;display:grid;gap:10px;}
.cta-points li{position:relative;padding-left:20px;font-size:14px;color:var(--txt-2);}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--main);box-shadow:0 0 10px rgba(47,227,194,.7);}
.form-card{border-radius:var(--r-lg);border:1px solid var(--line-strong);background:rgba(6,11,24,.72);backdrop-filter:blur(14px) saturate(140%);padding:26px;box-shadow:var(--shadow);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--txt-2);margin-bottom:8px;}
.field input,.field textarea{width:100%;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);padding:12px 14px;font-size:14.5px;color:var(--txt);transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--main);background:rgba(47,227,194,.05);box-shadow:0 0 0 3px rgba(47,227,194,.14);}
.field input::placeholder,.field textarea::placeholder{color:var(--txt-3);}
.form-note{margin-top:12px;font-size:12.5px;color:var(--txt-3);line-height:1.7;}
.form-msg{margin-top:12px;font-size:13px;display:none;}
.form-msg.is-ok{display:block;color:var(--main);}
.form-msg.is-err{display:block;color:#FF8A8A;}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#040913;padding:56px 0 0;}
.footer-grid{display:grid;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}}
.footer-col h3{font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:16px;}
.footer-col p{font-size:13.5px;color:var(--txt-2);line-height:1.9;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:var(--txt-2);}
.footer-col a:hover{color:var(--main);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-bottom{margin-top:44px;border-top:1px solid var(--line);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:var(--txt-3);}
.footer-links{display:flex;flex-wrap:wrap;gap:14px;}
.footer-links a{color:var(--txt-3);}
.footer-links a:hover{color:var(--main);}

/* float cta */
.float-wrap{position:fixed;right:20px;bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:12px;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .28s ease,transform .28s ease,visibility .28s ease;}
.float-wrap.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-wrap.is-dim{opacity:.35;transform:translateY(10px);}
.float-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;background:linear-gradient(135deg,var(--main),var(--second));color:#04141A;font-size:14px;font-weight:700;box-shadow:0 0 0 1px rgba(47,227,194,.35),0 16px 34px -12px rgba(47,227,194,.6);}
.float-cta:hover{color:#04141A;filter:brightness(1.07);transform:translateY(-1px);}
.back-top{width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);background:rgba(11,20,36,.9);display:flex;align-items:center;justify-content:center;color:var(--txt-2);backdrop-filter:blur(10px);transition:border-color .2s ease,color .2s ease,transform .2s ease;}
.back-top:hover{border-color:var(--main);color:var(--main);transform:translateY(-1px);}
.back-top span{font-size:12px;font-weight:600;}
@media (max-width:640px){
  .float-cta{padding:11px 14px;font-size:13px;}
  .float-cta .long{display:none;}
  .float-cta .short{display:inline;}
}
@media (min-width:641px){.float-cta .short{display:none;}}

/* roulang page: article */
:root{
  --bg:#060B18;
  --surface:#0B1424;
  --surface-2:#101C30;
  --primary:#2FE3C2;
  --accent:#4C8DFF;
  --amber:#FFC24B;
  --text:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#66798F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --glass:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  --radius-lg:20px;
  --radius-sm:14px;
  --pill:999px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.75);
  --nav-h:64px;
  --chan-h:48px;
  --anchor:128px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button,input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04121a;
  box-shadow:0 0 0 1px rgba(47,227,194,.35),0 12px 30px -10px rgba(47,227,194,.45);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(47,227,194,.55),0 18px 38px -12px rgba(47,227,194,.6)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{
  background:transparent;border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(47,227,194,.08);color:#d7fff7}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:9px 18px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--pill);
  font-size:12.5px;letter-spacing:.02em;
  color:#bff7ec;background:rgba(47,227,194,.12);border:1px solid rgba(47,227,194,.28);
}
.badge-amber{color:#ffdc9a;background:rgba(255,194,75,.12);border-color:rgba(255,194,75,.3)}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);font-size:13px;
}
.tag:hover{border-color:rgba(47,227,194,.4);color:#cdfcf2}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,24,.88);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:18px;height:var(--nav-h)}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04121a;font-weight:800;font-size:17px;
  box-shadow:0 10px 24px -12px rgba(47,227,194,.75);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.searchbox{
  display:none;flex:1;max-width:360px;margin-left:auto;
  align-items:center;gap:8px;padding:6px 8px 6px 16px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--pill);
  transition:border-color .2s ease,box-shadow .25s ease;
}
.searchbox:focus-within{border-color:rgba(47,227,194,.6);box-shadow:0 0 0 4px rgba(47,227,194,.12)}
.searchbox input{flex:1;min-width:0;background:transparent;border:0;font-size:14px;color:var(--text);outline:none}
.searchbox input::placeholder{color:var(--text-3)}
.searchbox button{
  border:0;border-radius:var(--pill);padding:7px 16px;cursor:pointer;font-size:13.5px;font-weight:600;
  background:linear-gradient(135deg,var(--primary),var(--accent));color:#04121a;
}
.searchbox button:hover{filter:brightness(1.08)}
.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-chip{
  display:none;align-items:center;gap:8px;font-size:13px;color:var(--text-2);
  padding:6px 14px;border-radius:var(--pill);border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.status-chip i{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}
.menu-toggle{
  display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);cursor:pointer;font-size:14px;
}
.menu-toggle:hover{border-color:var(--primary);background:rgba(47,227,194,.08)}
.mobile-menu{
  display:none;border-top:1px solid var(--line);background:rgba(9,16,30,.98);
  padding:14px 0 20px;
}
.mobile-menu.is-open{display:block}
.mobile-menu ul{display:grid;gap:8px}
.mobile-menu a{
  display:block;padding:11px 14px;border-radius:12px;font-size:15px;color:var(--text-2);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.mobile-menu a:hover{color:var(--text);border-color:rgba(47,227,194,.4)}

/* ---------- 频道 Tabs ---------- */
.chanbar{
  position:sticky;top:var(--nav-h);z-index:55;
  background:linear-gradient(180deg,rgba(11,20,36,.96),rgba(6,11,24,.94));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px) saturate(140%);
}
.chan-scroll{
  display:flex;align-items:center;gap:10px;height:var(--chan-h);
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.chan-scroll::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:14px;white-space:nowrap;
}
.pill:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.07)}
.pill.is-active{
  color:#04121a;font-weight:600;
  background:linear-gradient(135deg,rgba(47,227,194,.95),rgba(76,141,255,.9));
  border-color:rgba(47,227,194,.55);
  box-shadow:0 10px 26px -14px rgba(47,227,194,.8);
}

/* ---------- 页头横幅 & 面包屑 ---------- */
.page-banner{
  position:relative;padding:34px 0 26px;
  background-image:linear-gradient(180deg,rgba(6,11,24,.72),rgba(6,11,24,.96)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 200px at 18% 0%,rgba(47,227,194,.14),transparent 70%);
}
.breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px;max-width:100%}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.22)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb li[aria-current]{
  color:var(--text-3);max-width:min(520px,70vw);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:44px 0 8px}
.article-layout{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
}
.article-main{min-width:0}
.article-head{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:28px}
.article-meta-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);margin-bottom:16px}
.article-title{
  font-size:clamp(26px,4vw,42px);line-height:1.28;font-weight:800;letter-spacing:-.02em;
  margin-bottom:16px;
}
.article-lead{
  font-size:16px;color:var(--text-2);line-height:1.85;max-width:760px;
  padding-left:14px;border-left:3px solid rgba(47,227,194,.5);
}
.read-mark{display:inline-flex;align-items:center;gap:6px;color:var(--text-2)}

/* ---------- 正文排版 ---------- */
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#DCE5F1}
.article-body>*+*{margin-top:1.2em}
.article-body p{margin:1.2em 0;color:#D8E2EF}
.article-body h2{
  position:relative;margin:2.1em 0 .8em;padding-left:14px;
  font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.45;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:1.05em;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-body h3{
  margin:1.7em 0 .6em;font-size:19px;font-weight:600;color:var(--text);
}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:0;display:grid;gap:10px}
.article-body li{position:relative;padding-left:24px;color:#D4DFEC}
.article-body ul>li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(47,227,194,.6);
}
.article-body ol{counter-reset:item}
.article-body ol>li{counter-increment:item;padding-left:34px}
.article-body ol>li::before{
  content:counter(item);position:absolute;left:0;top:.3em;
  width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  font-size:12.5px;font-weight:700;color:#04121a;
  background:linear-gradient(135deg,var(--primary),var(--accent));
}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;border-left:3px solid var(--primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:var(--glass);color:var(--text-2);
}
.article-body img{border-radius:14px;margin:1.6em auto;box-shadow:var(--shadow)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13.5px;color:var(--text-3)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border-radius:12px;overflow:hidden}
.article-body thead th{background:rgba(47,227,194,.14);color:#d9fff8;font-weight:600;text-align:left}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body a{color:var(--primary);border-bottom:1px dashed rgba(47,227,194,.45)}
.article-body a:hover{color:#8ff6e3;border-bottom-style:solid}
.article-body code{
  padding:2px 7px;border-radius:6px;font-size:14.5px;
  background:rgba(255,255,255,.06);color:#a9f3e4;
}
.empty-state{
  padding:44px 24px;text-align:center;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
}
.empty-state p{color:var(--text-2);margin-bottom:18px;font-size:16px}

/* ---------- 文末标签 ---------- */
.article-foot{margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.pager{display:grid;gap:12px;margin-top:22px}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager a{
  display:block;padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);font-size:14.5px;
}
.pager a:hover{border-color:rgba(47,227,194,.4);color:var(--text);transform:translateY(-2px)}
.pager span{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:4px}

/* ---------- 侧栏 ---------- */
.side-col{display:grid;gap:20px}
@media (min-width:1024px){
  .side-col{position:sticky;top:132px}
}
.side-card{
  padding:20px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(140%);
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px}
.side-list{display:grid;gap:10px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;font-size:14.5px;color:var(--text-2);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.side-list a:hover{color:var(--text);border-color:rgba(47,227,194,.42);background:rgba(47,227,194,.08)}
.side-list a i{color:var(--primary);font-style:normal}
.side-cta{background:linear-gradient(160deg,rgba(47,227,194,.14),rgba(76,141,255,.1))}
.side-cta p{font-size:14px;color:var(--text-2);margin:8px 0 16px}
.side-cta .btn{width:100%}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em}
.section-head p{color:var(--text-3);font-size:14px;margin-top:8px}
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(47,227,194,.4)}
.news-cover{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17.5px;font-weight:600;line-height:1.5}
.news-body p{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:10px;border-top:1px solid var(--line)}
.news-foot .more{font-size:13.5px;color:var(--primary)}
.news-card:hover .news-foot .more{color:#9ff8e7}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--radius-sm);background:var(--glass);border:1px solid var(--line);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item:hover{border-color:rgba(47,227,194,.32)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:#cffdf3}
.faq-icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  border:1px solid rgba(47,227,194,.5);transition:transform .2s ease,background-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:9px;height:1.5px}
.faq-icon::after{width:1.5px;height:9px;transition:opacity .2s ease}
.faq-q[aria-expanded="true"] .faq-icon{background:rgba(47,227,194,.16);transform:rotate(180deg)}
.faq-q[aria-expanded="true"] .faq-icon::after{opacity:0}
.faq-a{padding:0 20px 18px;color:var(--text-2);font-size:15px;line-height:1.85}
.faq-a[hidden]{display:none}

/* ---------- CTA 带 / 表单 ---------- */
.cta-band{
  padding:56px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(6,11,24,.86),rgba(6,11,24,.94)),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-panel{
  display:grid;gap:28px;padding:30px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(140%);
}
@media (min-width:1024px){
  .cta-panel{grid-template-columns:1.1fr .9fr;align-items:center;padding:38px}
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:12px}
.cta-panel p{color:var(--text-2);font-size:15px}
.cta-form{display:grid;gap:12px}
.field{display:grid;gap:6px}
.field label{font-size:13.5px;color:var(--text-3)}
.field input,.field textarea{
  width:100%;padding:12px 16px;border-radius:12px;font-size:15px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);color:var(--text);
  transition:border-color .2s ease,box-shadow .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:rgba(47,227,194,.7);box-shadow:0 0 0 4px rgba(47,227,194,.12);
}
.field textarea{min-height:96px;resize:vertical}
.form-note{font-size:12.5px;color:var(--text-3)}
.form-status{font-size:13.5px;color:var(--primary);min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;padding:56px 0 24px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(9,16,30,.9),rgba(6,11,24,1));
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:48px 48px;
}
.footer-grid{position:relative;display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--text)}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.8}
.footer-col ul{display:grid;gap:9px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.brand-text .brand-name{font-size:16px;font-weight:700}
.footer-bottom{
  position:relative;margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--text-3);
}
.footer-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-links a{color:var(--text-3)}
.footer-links a:hover{color:var(--primary)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;
  bottom:calc(24px + env(safe-area-inset-bottom,0px));
  z-index:70;display:grid;gap:12px;opacity:0;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease;pointer-events:none;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta.is-dimmed{opacity:.35}
.float-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 20px;border-radius:var(--pill);font-size:14px;font-weight:600;cursor:pointer;
  border:1px solid rgba(47,227,194,.4);background:linear-gradient(135deg,rgba(47,227,194,.94),rgba(76,141,255,.92));
  color:#04121a;box-shadow:0 14px 32px -14px rgba(47,227,194,.8);
}
.float-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.float-top{
  background:rgba(11,20,36,.94);color:var(--text-2);border-color:var(--line-strong);
  box-shadow:var(--shadow);backdrop-filter:blur(10px);
}
.float-top:hover{color:var(--text);border-color:var(--primary);transform:translateY(-1px)}

@media (min-width:768px){
  .searchbox{display:flex}
  .status-chip{display:inline-flex}
  .menu-toggle{display:none}
  .mobile-menu{display:none !important}
}
@media (max-width:767px){
  .pill{font-size:13.5px;padding:7px 14px}
  .article-wrap{padding-top:30px}
  .float-cta{right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px))}
  .float-btn{padding:10px 16px;font-size:13px}
}
@media (max-width:520px){
  .topbar{gap:10px}
  .logo-text{font-size:15px}
  .btn-sm{padding:8px 14px;font-size:13px}
}

/* roulang page: category1 */
:root{
  --bg:#060B18;
  --surface:#0B1424;
  --surface-2:#101C30;
  --primary:#2FE3C2;
  --secondary:#4C8DFF;
  --accent:#FFC24B;
  --text:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#66798F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-lg:20px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.75);
  --nav-h:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
button,input,textarea{font:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ============ 玻璃与通用组件 ============ */
.glass{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .glass{background:#0B1424;}
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  padding:14px 24px;border-radius:var(--radius-pill);
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,filter .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#2FE3C2 0%,#4C8DFF 100%);
  color:#04121A;
  box-shadow:0 0 0 1px rgba(47,227,194,.35),0 12px 30px -10px rgba(47,227,194,.45);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(47,227,194,.5),0 18px 42px -12px rgba(47,227,194,.55);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.18);color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(47,227,194,.08);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:500;line-height:1;
  padding:7px 12px;border-radius:var(--radius-pill);
  background:rgba(47,227,194,.10);
  border:1px solid rgba(47,227,194,.28);
  color:#8FF3E0;
}
.badge-neutral{
  background:rgba(255,255,255,.05);
  border-color:var(--line-strong);
  color:var(--text-2);
}
.badge-accent{
  background:rgba(255,194,75,.10);
  border-color:rgba(255,194,75,.32);
  color:#FFD989;
}

.section{padding:88px 0;position:relative;}
@media (max-width:767px){.section{padding:64px 0;}}
.section::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(680px 320px at 12% 0%,rgba(47,227,194,.05),transparent 70%);
}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.015em;line-height:1.35;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--primary);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,11,24,.84);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;gap:18px;height:64px;transition:height .25s ease;}
.site-header.is-shrink .topbar-inner{height:56px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2FE3C2,#4C8DFF);
  color:#04121A;font-weight:800;font-size:16px;
  box-shadow:0 8px 20px -8px rgba(47,227,194,.7);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
@media (max-width:520px){.logo-text{font-size:14.5px;}}

.searchbar{
  flex:1;max-width:400px;min-width:0;
  display:flex;align-items:center;gap:10px;
  height:40px;padding:0 16px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.searchbar:focus-within{
  border-color:rgba(47,227,194,.6);
  background:rgba(47,227,194,.06);
  box-shadow:0 0 0 3px rgba(47,227,194,.14);
}
.searchbar svg{width:16px;height:16px;flex-shrink:0;stroke:var(--text-3);}
.searchbar input{
  flex:1;min-width:0;border:none;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.searchbar input::placeholder{color:var(--text-3);}
.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:var(--text-2);
  padding:7px 13px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  white-space:nowrap;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(47,227,194,.16);}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;
}
.menu-btn span{display:block;width:16px;height:1.6px;background:var(--text);border-radius:2px;position:relative;}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--text);border-radius:2px;
}
.menu-btn span::before{top:-5px;}
.menu-btn span::after{top:5px;}

@media (max-width:1023px){
  .searchbar{max-width:none;}
  .status-chip{display:none;}
}
@media (max-width:767px){
  .searchbar{display:none;}
  .menu-btn{display:flex;}
  .topbar-actions .btn-primary{display:none;}
}

.chanbar{
  height:48px;
  border-top:1px solid var(--line);
  background:rgba(6,11,24,.6);
}
.chan-scroll{
  display:flex;align-items:center;gap:10px;height:48px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.chan-scroll::-webkit-scrollbar{display:none;}
.pill{
  flex-shrink:0;scroll-snap-align:start;
  display:inline-flex;align-items:center;
  height:32px;padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  color:var(--text-2);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:all .22s ease;
}
.pill:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.07);}
.pill.is-active{
  color:#D8FFF7;
  border-color:rgba(47,227,194,.55);
  background:rgba(47,227,194,.10);
  box-shadow:0 0 0 1px rgba(47,227,194,.18),0 8px 22px -12px rgba(47,227,194,.6);
}

/* 移动端抽屉 */
.drawer{
  display:none;position:fixed;inset:var(--nav-h) 0 0 0;z-index:70;
  background:rgba(6,11,24,.96);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:24px 20px 40px;
}
.drawer.is-open{display:block;}
.drawer a{
  display:block;padding:14px 16px;border-radius:14px;
  border:1px solid var(--line);margin-bottom:10px;
  color:var(--text-2);font-size:15px;
}
.drawer a:hover,.drawer a.is-active{color:#D8FFF7;border-color:rgba(47,227,194,.5);background:rgba(47,227,194,.08);}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
  scroll-margin-top:calc(var(--nav-h) + 16px);
}
.page-hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(180deg,rgba(6,11,24,.62),rgba(6,11,24,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.9;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 340px at 78% 12%,rgba(47,227,194,.12),transparent 68%);
}
.page-hero .container{position:relative;z-index:1;}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.22);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb [aria-current="page"]{color:var(--text);font-weight:500;}

.page-hero h1{
  font-size:clamp(30px,5vw,52px);
  font-weight:800;line-height:1.22;letter-spacing:-.02em;
  max-width:900px;
}
.page-hero .lead{
  margin-top:20px;max-width:760px;
  color:var(--text-2);font-size:16.5px;line-height:1.85;
}
.page-hero .lead + .lead{margin-top:10px;}
.page-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}

.metrics{
  display:grid;gap:16px;margin-top:38px;
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.metric{
  padding:20px 22px;border-radius:var(--radius-sm);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  border:1px solid var(--line);
}
.metric .num{
  font-family:"Inter","Noto Sans SC",sans-serif;
  font-size:30px;font-weight:700;line-height:1;
  color:var(--primary);
  text-shadow:0 0 22px rgba(47,227,194,.45);
}
.metric .num small{font-size:13px;font-weight:500;color:var(--text-2);margin-left:4px;}
.metric .desc{margin-top:10px;font-size:13.5px;color:var(--text-2);line-height:1.6;}
@media (max-width:767px){
  .metrics{grid-template-columns:1fr;gap:12px;}
  .metric{display:flex;align-items:center;gap:16px;padding:16px 18px;}
  .metric .desc{margin-top:0;}
}

/* ============ 左窄右宽主体 ============ */
.layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:40px;align-items:start;}
@media (max-width:1023px){.layout{grid-template-columns:1fr;gap:32px;}}

.side-nav{
  position:sticky;top:calc(var(--nav-h) + 20px);
  padding:22px;border-radius:var(--radius-lg);
}
.side-nav h2{
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--text-3);text-transform:uppercase;margin-bottom:16px;
}
.side-nav ol{counter-reset:side;}
.side-nav li+li{margin-top:4px;}
.side-nav a{
  display:flex;align-items:flex-start;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14.5px;color:var(--text-2);line-height:1.55;
  border:1px solid transparent;
}
.side-nav a::before{
  counter-increment:side;content:counter(side,decimal-leading-zero);
  font-family:"Inter",sans-serif;font-size:11.5px;font-weight:600;
  color:var(--text-3);padding-top:3px;
}
.side-nav a:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line);}
.side-nav a.is-current{
  color:#D8FFF7;background:rgba(47,227,194,.09);
  border-color:rgba(47,227,194,.32);
}
.side-nav a.is-current::before{color:var(--primary);}
.side-cta{
  margin-top:20px;padding:18px;border-radius:var(--radius-sm);
  background:linear-gradient(160deg,rgba(47,227,194,.12),rgba(76,141,255,.06));
  border:1px solid rgba(47,227,194,.24);
}
.side-cta h3{font-size:15px;font-weight:600;margin-bottom:8px;}
.side-cta p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:14px;}
.side-cta .btn{width:100%;padding:12px 18px;font-size:14px;}

@media (max-width:1023px){
  .side-nav{position:static;}
  .side-nav ol{display:flex;flex-wrap:wrap;gap:8px;}
  .side-nav li+li{margin-top:0;}
  .side-nav a{border:1px solid var(--line);background:rgba(255,255,255,.035);padding:8px 12px;}
  .side-nav a::before{padding-top:2px;}
}

.block{padding:32px 34px;border-radius:var(--radius-lg);margin-bottom:24px;}
@media (max-width:767px){.block{padding:24px 20px;}}
.block h2{
  font-size:clamp(21px,2.4vw,27px);font-weight:700;letter-spacing:-.015em;line-height:1.4;
  margin-bottom:16px;
}
.block h3{font-size:17.5px;font-weight:600;line-height:1.5;}
.block p{color:var(--text-2);font-size:16px;line-height:1.9;}
.block p+p{margin-top:14px;}
.block .figure{
  margin-top:22px;border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/9;position:relative;
}
.block .figure img{width:100%;height:100%;object-fit:cover;}
.block .figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 18px 12px;font-size:12.5px;color:var(--text-2);
  background:linear-gradient(180deg,transparent,rgba(6,11,24,.9));
}

.checklist{margin-top:22px;counter-reset:check;}
.checklist li{
  position:relative;display:flex;gap:14px;
  padding:14px 0;border-bottom:1px solid var(--line);
  color:var(--text-2);font-size:15.5px;line-height:1.75;
}
.checklist li:last-child{border-bottom:none;padding-bottom:0;}
.checklist li::before{
  counter-increment:check;content:counter(check);
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:"Inter",sans-serif;font-size:12.5px;font-weight:600;
  color:var(--primary);
  background:rgba(47,227,194,.10);
  border:1px solid rgba(47,227,194,.32);
  margin-top:2px;
}
.checklist strong{color:var(--text);font-weight:600;}

.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:8px;}
@media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:639px){.card-grid{grid-template-columns:1fr;}}

.card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(47,227,194,.34);box-shadow:0 24px 48px -22px rgba(0,0,0,.85);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0B1424;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
}
.card-foot .badge{font-size:12px;}
.card-link{font-size:13.5px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:5px;}
.card-link:hover{color:#fff;}
.card-link::after{content:"→";font-size:13px;transition:transform .22s ease;}
.card-link:hover::after{transform:translateX(3px);}

/* ============ FAQ ============ */
.faq-list{margin-top:8px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  margin-bottom:14px;overflow:hidden;
  transition:border-color .24s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.is-open{border-color:rgba(47,227,194,.34);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:#D8FFF7;}
.faq-icon{position:relative;flex-shrink:0;width:20px;height:20px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  background:var(--primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{width:12px;height:1.8px;}
.faq-icon::after{width:1.8px;height:12px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  padding:96px 0;border-top:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 380px at 22% 100%,rgba(76,141,255,.14),transparent 70%),
             radial-gradient(620px 320px at 82% 0%,rgba(47,227,194,.12),transparent 70%);
}
.cta-band .container{position:relative;z-index:1;}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:52px;align-items:center;
  padding:44px;border-radius:24px;
}
@media (max-width:1023px){.cta-inner{grid-template-columns:1fr;gap:32px;padding:32px 24px;}}
.cta-inner h2{font-size:clamp(23px,3vw,32px);font-weight:700;line-height:1.38;letter-spacing:-.015em;}
.cta-inner p{margin-top:14px;color:var(--text-2);font-size:16px;max-width:520px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

.form-card{padding:26px;border-radius:var(--radius-lg);background:rgba(11,20,36,.72);border:1px solid var(--line-strong);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:500;color:var(--text-2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);font-size:14.5px;outline:none;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.field textarea{resize:vertical;min-height:84px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  border-color:rgba(47,227,194,.6);
  background:rgba(47,227,194,.05);
  box-shadow:0 0 0 3px rgba(47,227,194,.13);
}
.form-card .btn{width:100%;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-3);line-height:1.6;}
.form-msg{margin-top:12px;font-size:13px;min-height:18px;color:var(--primary);}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,20,36,.6),rgba(6,11,24,1));
  padding:64px 0 0;position:relative;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.5) 0 1px,transparent 1px 14px);
}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:599px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2FE3C2,#4C8DFF);color:#04121A;font-weight:800;font-size:15px;
}
.footer-brand .brand-name{font-size:15.5px;font-weight:700;}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;padding:22px 0 28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:var(--text-3);}
.footer-links a:hover{color:var(--primary);}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px));
  z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:12px;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta.is-fade{opacity:.35;}
.float-main{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 20px;border-radius:var(--radius-pill);
  background:linear-gradient(135deg,#2FE3C2,#4C8DFF);color:#04121A;
  font-size:14.5px;font-weight:700;
  box-shadow:0 0 0 1px rgba(47,227,194,.35),0 14px 32px -12px rgba(47,227,194,.6);
  transition:transform .22s ease,filter .22s ease;
}
.float-main:hover{transform:translateY(-1px);filter:brightness(1.08);}
.to-top{
  width:42px;height:42px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(11,20,36,.9);border:1px solid var(--line-strong);
  color:var(--text-2);font-size:16px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:all .22s ease;
}
.to-top:hover{color:var(--primary);border-color:rgba(47,227,194,.5);}
.float-cta .label-full{display:inline;}
.float-cta .label-mini{display:none;}
@media (max-width:767px){
  .float-cta{right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));}
  .float-main{padding:12px 14px;font-size:13.5px;}
  .float-cta .label-full{display:none;}
  .float-cta .label-mini{display:inline;}
}

/* roulang page: category2 */
:root{
  --bg:#060B18;
  --surface:#0B1424;
  --surface-2:#101C30;
  --primary:#2FE3C2;
  --accent:#4C8DFF;
  --amber:#FFC24B;
  --text:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#66798F;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --r-lg:20px;
  --r-sm:14px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.75);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ============ 容器 ============ */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ 玻璃卡片 ============ */
.glass{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
  border-radius:var(--r-lg);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .glass{background:#0B1424}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border-radius:999px;text-align:center;white-space:nowrap;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .25s ease,color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#2FE3C2 0%,#4C8DFF 100%);
  color:#04121A;padding:13px 26px;font-size:15px;
  box-shadow:0 0 0 1px rgba(47,227,194,.35),0 12px 30px -10px rgba(47,227,194,.45);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(47,227,194,.5),0 18px 40px -12px rgba(47,227,194,.6)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.18);
  color:var(--text);padding:13px 26px;font-size:15px;
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(47,227,194,.08);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-cyan{color:#7BF3DE;background:rgba(47,227,194,.14);border:1px solid rgba(47,227,194,.42)}
.badge-indigo{color:#A9C7FF;background:rgba(76,141,255,.14);border:1px solid rgba(76,141,255,.4)}
.badge-amber{color:var(--amber);background:rgba(255,194,75,.12);border:1px solid rgba(255,194,75,.35)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--primary);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),transparent)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,24,.88);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.topbar{position:relative;height:64px;display:flex;align-items:center;transition:height .25s ease}
.site-header.is-scrolled .topbar{height:56px}
.topbar-inner{display:flex;align-items:center;gap:20px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2FE3C2,#4C8DFF);
  color:#04121A;font-weight:800;font-size:17px;
  box-shadow:0 0 0 1px rgba(47,227,194,.35),0 10px 24px -12px rgba(47,227,194,.6);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-name{font-size:16px;font-weight:700;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.06em}
.nav-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search:focus-within{border-color:rgba(47,227,194,.6);box-shadow:0 0 0 3px rgba(47,227,194,.12);background:rgba(47,227,194,.05)}
.nav-search svg{flex:0 0 16px;color:var(--text-3)}
.nav-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--text)}
.nav-search input::placeholder{color:var(--text-3)}
.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-2);
  padding:6px 13px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.status-chip i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}
.search-toggle,.nav-toggle{
  display:none;width:38px;height:38px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);
  transition:border-color .2s,color .2s,background .2s;
}
.search-toggle:hover,.nav-toggle:hover{border-color:rgba(47,227,194,.5);color:var(--primary);background:rgba(47,227,194,.08)}

/* 频道 Tabs */
.chanbar{height:48px;border-top:1px solid var(--line);background:rgba(11,20,36,.72)}
.chanbar .container{height:100%}
.chan-scroll{
  display:flex;align-items:center;gap:8px;height:100%;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
}
.chan-scroll::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);border:1px solid transparent;white-space:nowrap;
  transition:color .2s,background .2s,border-color .2s,box-shadow .2s;
}
.pill:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line)}
.pill.is-active{
  color:#fff;background:rgba(47,227,194,.12);border-color:rgba(47,227,194,.45);
  box-shadow:0 0 0 1px rgba(47,227,194,.16),0 0 20px -6px rgba(47,227,194,.5);
}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;flex-direction:column;gap:6px;padding:14px 20px 20px;
  border-top:1px solid var(--line);background:rgba(6,11,24,.98);
}
.mobile-drawer a{
  padding:11px 14px;border-radius:12px;font-size:15px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .2s,border-color .2s,background .2s;
}
.mobile-drawer a:hover,.mobile-drawer a.is-active{color:#fff;border-color:rgba(47,227,194,.45);background:rgba(47,227,194,.1)}

/* ============ 主内容 ============ */
main{display:block}
.section{padding:64px 0;position:relative;scroll-margin-top:130px}
@media (min-width:1024px){.section{padding:96px 0}}
.section + .section{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(24px,3vw,36px);margin:14px 0 14px}
.section-head p{color:var(--text-2);font-size:16px;line-height:1.85}

/* 面包屑 */
.crumb{padding:20px 0 4px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:13px;color:var(--text-3)}
.crumb a{color:var(--text-2);transition:color .2s}
.crumb a:hover{color:var(--primary)}
.crumb li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--text-3);opacity:.55}
.crumb [aria-current="page"]{color:var(--text)}

/* 页头 */
.page-hero{position:relative;overflow:hidden;padding:44px 0 68px;text-align:center}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.22;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(62% 58% at 50% 0%,rgba(47,227,194,.16),transparent 72%),
             linear-gradient(180deg,rgba(6,11,24,.4),var(--bg));
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:clamp(30px,5vw,54px);font-weight:800;letter-spacing:-.02em;margin:16px auto 20px;max-width:900px}
.page-hero .lede{max-width:720px;margin:0 auto;color:var(--text-2);font-size:17px;line-height:1.9}
.hero-stats{
  display:flex;flex-wrap:wrap;justify-content:center;gap:18px 40px;margin-top:36px;
  padding-top:28px;border-top:1px solid var(--line);
}
.hero-stats .stat{min-width:120px}
.hero-stats .stat b{display:block;font-size:28px;font-weight:800;color:var(--primary);letter-spacing:-.01em}
.hero-stats .stat span{font-size:13px;color:var(--text-3)}

/* 时间轴 */
.timeline{position:relative;list-style:none;margin:0;padding:8px 0}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(47,227,194,.55),rgba(76,141,255,.28),rgba(255,255,255,.04));
}
.tl-item{position:relative;width:50%;padding:0 44px 30px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 30px 44px}
.tl-item::after{
  content:"";position:absolute;top:30px;right:-7px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 0 5px rgba(47,227,194,.12);
}
.tl-item:nth-child(even)::after{right:auto;left:-7px}
.tl-card{padding:22px 24px;transition:transform .25s ease,border-color .25s ease}
.tl-card:hover{transform:translateY(-2px);border-color:rgba(47,227,194,.32)}
.tl-index{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:26px;padding:0 8px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--amber);
  background:rgba(255,194,75,.1);border:1px solid rgba(255,194,75,.32);
}
.tl-card h3{font-size:18px;margin:12px 0 10px}
.tl-card p{color:var(--text-2);font-size:15px;line-height:1.85}

/* 对比区 */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.compare-card{overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease}
.compare-card:hover{transform:translateY(-2px)}
.compare-card.is-self:hover{border-color:rgba(47,227,194,.32)}
.compare-card.is-help:hover{border-color:rgba(76,141,255,.36)}
.cc-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.cc-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.compare-card:hover .cc-media img{transform:scale(1.03)}
.cc-body{padding:24px;display:flex;flex-direction:column;flex:1}
.cc-body h3{font-size:20px;margin:14px 0 10px}
.cc-body .cc-desc{color:var(--text-2);font-size:15px;line-height:1.85}
.check-list{list-style:none;margin:18px 0 0;display:flex;flex-direction:column;gap:11px}
.check-list li{position:relative;padding-left:27px;font-size:15px;color:var(--text-2);line-height:1.7}
.check-list li::before{
  content:"";position:absolute;left:0;top:6px;width:17px;height:17px;border-radius:50%;
  background:rgba(47,227,194,.14);border:1px solid rgba(47,227,194,.48);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:11px;width:7px;height:3px;
  border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(-45deg);
}
.compare-card.is-help .check-list li::before{background:rgba(76,141,255,.14);border-color:rgba(76,141,255,.48)}
.compare-card.is-help .check-list li::after{border-color:#7FB0FF}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{border-radius:var(--r-sm);overflow:hidden;transition:border-color .25s ease}
.faq-item:hover{border-color:rgba(47,227,194,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.9}
.faq-a p + p{margin-top:10px}

/* CTA 带 */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);padding:72px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(50% 70% at 15% 20%,rgba(47,227,194,.12),transparent 70%),
             radial-gradient(45% 65% at 88% 85%,rgba(76,141,255,.12),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.cta-copy h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px}
.cta-copy p{color:var(--text-2);font-size:16px;line-height:1.9;max-width:520px}
.cta-points{list-style:none;margin:24px 0 0;display:flex;flex-direction:column;gap:12px}
.cta-points li{position:relative;padding-left:24px;color:var(--text-2);font-size:15px}
.cta-points li::before{content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(47,227,194,.7)}
.form-card{padding:28px}
@media (min-width:1024px){.form-card{padding:32px}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.02em}
.field input,.field textarea{
  width:100%;padding:13px 16px;border-radius:12px;
  background:rgba(6,11,24,.72);border:1px solid var(--line);
  font-size:15px;color:var(--text);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,227,194,.14);background:rgba(6,11,24,.9)}
.form-note{font-size:12px;color:var(--text-3);margin-top:14px;line-height:1.7}
.form-msg{font-size:13px;color:var(--primary);margin-top:10px;min-height:18px}

/* 页脚 */
.site-footer{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,20,36,.72),rgba(6,11,24,1));
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:52px 52px;
}
.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:16px}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.85}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:var(--text-2);transition:color .2s}
.footer-links a:hover{color:var(--primary)}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px));
  z-index:70;display:flex;flex-direction:column;gap:12px;align-items:flex-end;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-main{
  display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;
  background:linear-gradient(135deg,#2FE3C2,#4C8DFF);color:#04121A;font-weight:700;font-size:14px;
  box-shadow:0 0 0 1px rgba(47,227,194,.35),0 14px 32px -12px rgba(47,227,194,.6);
  transition:filter .2s,transform .2s;
}
.float-main:hover{filter:brightness(1.08);transform:translateY(-1px)}
.float-main:active{transform:translateY(1px)}
.float-top{
  width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(11,20,36,.92);border:1px solid var(--line-2);color:var(--text-2);
  transition:border-color .2s,color .2s,background .2s,transform .2s;
}
.float-top:hover{border-color:var(--primary);color:var(--primary);background:rgba(47,227,194,.1);transform:translateY(-1px)}

/* 响应式 */
@media (max-width:1023px){
  .nav-search{display:none}
  .search-toggle,.nav-toggle{display:inline-flex}
  .status-chip{display:none}
  .site-header.search-open .nav-search{
    display:flex;position:absolute;left:20px;right:20px;top:56px;max-width:none;z-index:6;
    background:rgba(11,20,36,.98);box-shadow:var(--shadow);
  }
  .site-header.nav-open .mobile-drawer{display:flex}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:860px){
  .compare-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .page-hero{padding:36px 0 56px}
  .timeline::before{left:9px;transform:none}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 24px 34px}
  .tl-item::after,.tl-item:nth-child(even)::after{left:3px;right:auto;top:26px}
  .hero-stats{gap:16px 26px}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-sub{display:none}
  .float-cta{right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px))}
  .float-main{padding:11px 16px;font-size:13px}
}
@media (max-width:480px){
  .topbar-actions .btn-primary{padding:9px 15px;font-size:13px}
  .cc-body,.form-card{padding:20px}
  .tl-card{padding:20px}
}