/* roulang page: index */
:root{
  --bg:#060B14;
  --panel:#0A1220;
  --card:#0E1B2E;
  --mint:#19E3B1;
  --mint-soft:rgba(25,227,177,.12);
  --orange:#FF7A2F;
  --orange-soft:rgba(255,122,47,.14);
  --text:#E8EEF6;
  --sub:#93A4BC;
  --muted:#5A6B85;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --radius:18px;
  --radius-sm:12px;
  --shadow-card:0 18px 44px rgba(0,0,0,.38);
  --shadow-mint:0 0 0 1px rgba(25,227,177,.35),0 12px 36px rgba(25,227,177,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --font-num:"DIN Alternate","Inter",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:rgba(25,227,177,.28)}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-sm);
  padding:12px 22px;font-size:15px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
  background:none;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#19E3B1,#12C79A);color:#04140F;box-shadow:var(--shadow-mint)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.98)}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(25,227,177,.5);background:rgba(25,227,177,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-pill{border-radius:999px}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;box-shadow:none}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;font-weight:600;
  border:1px solid transparent;
}
.tag-mint{background:var(--mint-soft);color:var(--mint);border-color:rgba(25,227,177,.28)}
.tag-orange{background:var(--orange-soft);color:#FFAA74;border-color:rgba(255,122,47,.32)}
.tag-gray{background:rgba(255,255,255,.05);color:var(--sub);border-color:var(--line)}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(6,11,20,.55);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.scrolled{background:rgba(10,18,32,.95);border-bottom-color:var(--line-soft);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.header-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(25,227,177,.22),rgba(255,122,47,.16));
  border:1px solid rgba(25,227,177,.34);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;line-height:1.2;max-width:250px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--sub);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--mint);background:var(--mint-soft)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:6px}
.nav-text-link{font-size:14px;color:var(--sub);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.nav-text-link:hover{color:var(--mint);border-bottom-color:var(--mint)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer-mask{position:fixed;inset:0;background:rgba(3,6,12,.68);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;z-index:70}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,340px);z-index:80;
  background:var(--panel);border-left:1px solid var(--line);
  padding:26px 22px 34px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s var(--ease);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-title{font-size:12.5px;letter-spacing:.14em;color:var(--muted);margin:22px 0 10px;text-transform:uppercase}
.drawer-link{display:block;padding:12px 14px;border-radius:12px;color:var(--sub);border:1px solid transparent;font-size:15px;transition:all .2s var(--ease)}
.drawer-link:hover,.drawer-link.active{color:var(--mint);background:var(--mint-soft);border-color:rgba(25,227,177,.24)}

/* ---------- hero ---------- */
.hero{position:relative;padding:132px 0 76px;overflow:hidden;background:var(--bg)}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(6,11,20,.82),rgba(6,11,20,.94) 62%,var(--bg)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center 30%;
  z-index:0;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 340px at 12% 18%,rgba(25,227,177,.13),transparent 70%),
    radial-gradient(520px 320px at 86% 8%,rgba(255,122,47,.09),transparent 72%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 68px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.028) 0 1px,transparent 1px 68px);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.12em;color:var(--mint);border:1px solid rgba(25,227,177,.3);background:rgba(25,227,177,.08);padding:6px 14px;border-radius:999px}
.eyebrow i{font-size:12px}
.hero h1{
  margin:22px 0 18px;
  font-size:clamp(30px,4.2vw,54px);
  line-height:1.15;font-weight:800;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--mint)}
.hero-sub{font-size:17px;color:var(--sub);max-width:560px;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px}
.fact-chip{
  display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:14px;
  border:1px solid var(--line-soft);background:rgba(255,255,255,.03);
}
.fact-chip strong{font-family:var(--font-num);font-size:17px;color:var(--text)}
.fact-chip span{font-size:13px;color:var(--sub)}

.glass-card{
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
}
.signup-card{padding:26px 24px 24px}
.signup-card h2{font-size:20px;font-weight:700;letter-spacing:.01em}
.signup-card p.hint{font-size:13.5px;color:var(--sub);margin-top:6px}
.form-row{margin-top:16px}
.form-row label{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--sub);margin-bottom:7px}
.req{color:var(--orange);font-weight:700}
.field{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(6,11,20,.72);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field::placeholder{color:var(--muted)}
.field:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(25,227,177,.16)}
select.field{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--sub) 50%),linear-gradient(135deg,var(--sub) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-2col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-err{display:none;font-size:12.5px;color:#FF8F5E;margin-top:6px}
.field.invalid{border-color:#FF8F5E}
.form-foot{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7}

/* ---------- sections ---------- */
section{position:relative}
.section{padding:76px 0}
.section-alt{background:var(--panel)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .kicker{font-size:13px;letter-spacing:.14em;color:var(--mint);font-weight:600}
.section-head h2{margin-top:12px;font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700}
.section-head p{margin-top:14px;color:var(--sub);font-size:16px}

.stat-bar{background:var(--panel);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:34px 0}
.stat-item{text-align:left;padding-left:18px;border-left:2px solid rgba(25,227,177,.4)}
.stat-item:nth-child(3){border-left-color:rgba(255,122,47,.5)}
.stat-item .stat-num{font-family:var(--font-num);font-size:clamp(26px,3vw,38px);font-weight:700;color:var(--text);line-height:1.1}
.stat-item .stat-label{margin-top:8px;font-size:14px;color:var(--sub)}

/* timeline */
.timeline{position:relative;margin-top:8px;padding-left:0}
.timeline::before{
  content:"";position:absolute;top:6px;bottom:6px;left:50%;width:2px;transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(25,227,177,.5),rgba(255,122,47,.4),rgba(25,227,177,.08));
}
.tl-item{position:relative;width:50%;padding:0 42px 30px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 30px 42px}
.tl-dot{
  position:absolute;top:26px;right:-8px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid var(--mint);box-shadow:0 0 0 5px rgba(25,227,177,.12);
}
.tl-item:nth-child(even) .tl-dot{right:auto;left:-8px}
.tl-item.hot .tl-dot{border-color:var(--orange);box-shadow:0 0 0 5px rgba(255,122,47,.14)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.36);box-shadow:var(--shadow-card)}
.tl-time{font-family:var(--font-num);font-size:14px;color:var(--mint);letter-spacing:.06em}
.tl-item.hot .tl-time{color:#FFAA74}
.tl-card h3{margin-top:8px;font-size:19px;font-weight:600}
.tl-card p{margin-top:8px;font-size:14.5px;color:var(--sub)}
.tl-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}

/* highlight */
.hl-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:stretch}
.hl-main{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,.12);min-height:380px}
.hl-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.hl-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,20,.15),rgba(6,11,20,.92))}
.hl-main-body{position:relative;z-index:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:28px 26px;min-height:380px}
.hl-main-body h3{font-size:24px;font-weight:700;margin-top:12px}
.hl-main-body p{margin-top:10px;color:var(--sub);font-size:15px;max-width:480px}
.hl-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.hl-card{padding:22px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);backdrop-filter:blur(14px);display:flex;gap:16px;align-items:center;transition:transform .22s var(--ease),border-color .22s var(--ease)}
.hl-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.4)}
.hl-card img{width:96px;height:96px;object-fit:cover;border-radius:14px;flex-shrink:0}
.hl-card h4{font-size:17px;font-weight:600}
.hl-card span{display:block;font-size:13px;color:var(--mint);margin-top:4px}
.hl-card p{font-size:13.5px;color:var(--sub);margin-top:8px;line-height:1.65}

/* ticket */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.ticket{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.ticket:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2)}
.ticket.recommend{border-color:rgba(25,227,177,.42);box-shadow:var(--shadow-mint)}
.ticket .ribbon{position:absolute;top:-13px;right:20px;background:var(--orange);color:#2A1002;font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.05em}
.ticket h3{font-size:20px;font-weight:700}
.ticket .price{margin-top:12px;font-family:var(--font-num);font-size:36px;font-weight:700;line-height:1;color:var(--text)}
.ticket .price small{font-size:14px;color:var(--sub);margin-left:6px;font-family:var(--font-cn)}
.ticket .for{font-size:13.5px;color:var(--sub);margin-top:10px}
.ticket ul{margin:20px 0 22px;display:flex;flex-direction:column;gap:10px}
.ticket li{font-size:14.5px;color:var(--sub);display:flex;gap:10px;align-items:flex-start;line-height:1.6}
.ticket li i{color:var(--mint);margin-top:5px;font-size:12px;flex-shrink:0}
.ticket.recommend li i{color:var(--mint)}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;min-height:220px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.38);box-shadow:var(--shadow-card)}
.news-card h3{margin-top:14px;font-size:17.5px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{margin-top:10px;font-size:14px;color:var(--sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
.news-foot .go{color:var(--mint);font-weight:600}
.empty-state{
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius);
  padding:52px 26px;text-align:center;background:rgba(255,255,255,.02);
}
.empty-state i{font-size:30px;color:var(--muted)}
.empty-state h3{margin-top:16px;font-size:18px;font-weight:600}
.empty-state p{margin-top:8px;color:var(--sub);font-size:14.5px}
.empty-actions{margin-top:22px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .22s var(--ease)}
.faq-item.open{border-color:rgba(25,227,177,.34)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:44px;background:none;border:none;cursor:pointer;
  font-size:16.5px;font-weight:600;text-align:left;color:var(--text);
}
.faq-q i{color:var(--mint);transition:transform .22s var(--ease);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:0 22px 20px;color:var(--sub);font-size:15px;line-height:1.8;background:rgba(255,255,255,.02)}

/* CTA band */
.cta-band{background:linear-gradient(120deg,#0A1220,#0E1B2E 55%,#0A1220);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 260px at 78% 30%,rgba(25,227,177,.14),transparent 70%);pointer-events:none}
.cta-inner{position:relative;display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;padding:54px 0}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.cta-inner p{margin-top:12px;color:var(--sub);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch}
.cta-note{font-size:12.5px;color:var(--muted);text-align:center;line-height:1.7}

/* footer */
.site-footer{background:var(--panel);position:relative;padding:58px 0 26px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(25,227,177,.7),rgba(25,227,177,0))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{color:var(--sub);font-size:14px;line-height:1.8;max-width:320px}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--text);margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{font-size:14px;color:var(--sub);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-list a:hover{color:var(--mint);transform:translateX(3px)}
.footer-contact p{font-size:14px;color:var(--sub);line-height:1.9}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted)}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (max-width:1024px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .menu-toggle{display:flex}
  .header-actions .btn-sm,.header-actions .nav-text-link{display:none}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hl-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .ticket-grid{grid-template-columns:1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .timeline::before{left:8px}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 24px 34px}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:0;right:auto}
  .cta-inner{grid-template-columns:1fr;gap:26px}
}
@media (max-width:768px){
  .stat-grid{grid-template-columns:1fr 1fr;gap:20px}
  .news-grid{grid-template-columns:1fr}
  .hl-side{grid-template-rows:auto auto}
  .form-2col{grid-template-columns:1fr}
  .header-inner{height:66px}
  .brand-text{font-size:15px;max-width:170px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .hero{padding:104px 0 52px}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .hl-card{flex-direction:column;align-items:flex-start}
  .hl-card img{width:100%;height:150px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg:#060B14;
  --bg-2:#0A1220;
  --card:#0E1B2E;
  --card-2:#111F35;
  --acc:#19E3B1;
  --acc-soft:rgba(25,227,177,.12);
  --orange:#FF7A2F;
  --orange-soft:rgba(255,122,47,.14);
  --text:#E8EEF6;
  --muted:#93A4BC;
  --dim:#5A6B85;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --maxw:1280px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Inter",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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:var(--font-sans);font-size:16.5px;line-height:1.75;font-weight:400;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
button,input,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:84px 0}
.section-tight{padding:56px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.06em;
  color:var(--acc);text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--acc);opacity:.8}
.sec-title{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.sec-sub{color:var(--muted);margin-top:12px;max-width:760px;font-size:15.5px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(6,11,20,.42);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.scrolled{background:rgba(10,18,32,.95);border-bottom-color:rgba(255,255,255,.12)}
.header-inner{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:30px;height:30px;display:inline-flex}
.brand-mark svg{width:100%;height:100%}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:var(--r-pill);font-size:14.5px;color:var(--muted);
  transition:all .2s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--acc);background:var(--acc-soft);font-weight:600}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:12px}
.nav-text-link{font-size:14px;color:var(--muted);border-bottom:1px solid transparent}
.nav-text-link:hover{color:var(--acc);border-bottom-color:var(--acc)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.menu-toggle span{display:block;width:17px;height:1.6px;background:var(--text);border-radius:2px;transition:.22s var(--ease)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.7);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:.24s var(--ease);z-index:88;
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:90;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .26s var(--ease);
  padding:22px 22px 32px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-title{font-size:13px;letter-spacing:.08em;color:var(--dim);font-weight:600}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);color:var(--muted)}
.drawer-close:hover{color:var(--text);border-color:rgba(255,255,255,.28)}
.drawer-group{margin-bottom:24px}
.drawer-group p{font-size:12.5px;letter-spacing:.08em;color:var(--dim);margin-bottom:10px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-radius:12px;font-size:15px;color:var(--muted);border:1px solid transparent}
.drawer-link:hover,.drawer-link.active{color:var(--acc);background:var(--acc-soft);border-color:rgba(25,227,177,.25)}
.drawer-cta{display:block;text-align:center;padding:14px;border-radius:12px;font-weight:700}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .2s var(--ease);white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-pill{border-radius:var(--r-pill)}
.btn-primary{
  background:linear-gradient(135deg,#19E3B1,#12C79B);color:#04241C;
  box-shadow:0 0 0 1px rgba(25,227,177,.35),0 12px 36px rgba(25,227,177,.20);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:rgba(255,255,255,.22);color:var(--text);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--acc);color:var(--acc);background:var(--acc-soft);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-orange{background:linear-gradient(135deg,#FF8B43,#FF7A2F);color:#2A0E00;box-shadow:0 12px 30px rgba(255,122,47,.24)}
.btn-orange:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-disabled{opacity:.4;pointer-events:none;box-shadow:none}

/* ---------- badges & chips ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.04em}
.badge-green{background:var(--acc-soft);color:var(--acc);border:1px solid rgba(25,227,177,.28)}
.badge-orange{background:var(--orange-soft);color:#FFB07C;border:1px solid rgba(255,122,47,.32)}
.badge-grey{background:rgba(147,164,188,.12);color:var(--muted);border:1px solid rgba(147,164,188,.2)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:9px 18px;border-radius:var(--r-pill);font-size:14px;color:var(--muted);
  border:1px solid var(--line);background:rgba(255,255,255,.03);transition:all .2s var(--ease);
}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.26);transform:translateY(-2px)}
.chip.active{color:var(--acc);border-color:rgba(25,227,177,.42);background:var(--acc-soft);font-weight:600}

/* ---------- banner ---------- */
.page-banner{
  position:relative;margin-top:74px;overflow:hidden;
  background:#08111F;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 320px at 12% 0%,rgba(25,227,177,.14),transparent 62%),
    radial-gradient(620px 300px at 88% 110%,rgba(255,122,47,.10),transparent 60%),
    linear-gradient(180deg,rgba(6,11,20,.62) 0%,rgba(6,11,20,.86) 58%,var(--bg) 100%);
}
.banner-inner{position:relative;z-index:2;padding:52px 32px 46px;max-width:var(--maxw);margin:0 auto}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.crumbs a:hover{color:var(--acc)}
.crumbs .sep{opacity:.45}
.crumbs .current{color:var(--text)}
.banner-inner h1{
  font-size:clamp(30px,4.2vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.015em;
  max-width:880px;
}
.banner-inner h1 em{font-style:normal;color:var(--acc)}
.banner-lead{margin-top:16px;color:var(--muted);font-size:16.5px;max-width:640px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.banner-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line-soft)}
.banner-stats .item .v{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--acc)}
.banner-stats .item .k{font-size:13px;color:var(--dim);letter-spacing:.04em}

/* ---------- activity list ---------- */
.act-list{display:flex;flex-direction:column;gap:20px;margin-top:38px}
.act-card{
  display:grid;grid-template-columns:300px 1fr;gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.act-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.3);box-shadow:0 18px 44px rgba(0,0,0,.36)}
.act-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(135deg,#0E1B2E,#060B14)}
.act-thumb img{width:100%;height:100%;object-fit:cover;opacity:.92}
.act-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,11,20,.15),rgba(6,11,20,.55))}
.act-body{padding:24px 26px;display:flex;flex-direction:column;gap:12px}
.act-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.act-title{font-size:20px;font-weight:700;line-height:1.4}
.act-desc{color:var(--muted);font-size:14.8px;line-height:1.7}
.act-facts{display:flex;flex-wrap:wrap;gap:12px 22px;color:var(--muted);font-size:14px}
.act-facts i{color:var(--acc);margin-right:7px;font-size:13px}
.act-facts .num{color:var(--text)}
.act-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line-soft)}
.act-foot .price{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--orange)}
.act-foot .price span{font-size:13px;color:var(--dim);font-weight:400;margin-left:3px}
.act-foot .spacer{margin-left:auto}
.link-more{font-size:14px;color:var(--acc);border-bottom:1px dashed rgba(25,227,177,.5)}
.link-more:hover{border-bottom-style:solid}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.step-card{
  position:relative;background:linear-gradient(180deg,var(--card) 0%,rgba(14,27,46,.6) 100%);
  border:1px solid var(--line);border-radius:var(--r-card);padding:30px 26px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.3)}
.step-no{
  font-family:var(--font-num);font-size:44px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(25,227,177,.55);margin-bottom:16px;
}
.step-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.step-card p{color:var(--muted);font-size:14.6px}
.step-card .tagline{display:block;margin-top:16px;font-size:13px;color:var(--acc);letter-spacing:.04em}

/* ---------- scenario ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:38px}
.scene-card{
  display:flex;gap:18px;padding:24px;border-radius:var(--r-card);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.28)}
.scene-icon{
  flex:0 0 46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--acc-soft);color:var(--acc);font-size:18px;border:1px solid rgba(25,227,177,.24);
}
.scene-card h3{font-size:17.5px;font-weight:600;margin-bottom:8px}
.scene-card p{color:var(--muted);font-size:14.6px}

/* ---------- faq ---------- */
.faq-wrap{margin-top:34px;border-top:1px solid var(--line-soft)}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  min-height:44px;transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--acc)}
.faq-q .plus{
  flex:0 0 26px;height:26px;border-radius:8px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--acc);font-size:15px;transition:.24s var(--ease);
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--acc-soft);border-color:rgba(25,227,177,.4)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{
  padding:0 4px 24px;color:var(--muted);font-size:15px;line-height:1.8;
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);
  border-radius:12px;
}
.faq-item.open .faq-a{max-height:420px}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;
  background:linear-gradient(120deg,#0A1220 0%,#101F38 55%,#0B1626 100%);
  border:1px solid var(--line);padding:44px 42px;
  display:grid;grid-template-columns:1.35fr 1fr;gap:34px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 240px at 88% 10%,rgba(25,227,177,.16),transparent 65%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.cta-band p{color:var(--muted);margin-top:12px;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{grid-column:1/-1;font-size:13px;color:var(--dim);padding-top:6px;border-top:1px solid var(--line-soft)}

/* ---------- misc ---------- */
.panel{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
}
.notice{
  display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:14px;
  border:1px solid rgba(255,122,47,.28);background:var(--orange-soft);
}
.notice i{color:var(--orange);margin-top:3px}
.notice p{font-size:14.5px;color:#F3D9C7}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-2);border-top:1px solid var(--line);margin-top:20px;
  position:relative;padding-top:56px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(25,227,177,.75),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:40px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-top:16px;max-width:330px}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--dim);font-weight:600;margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{font-size:14.5px;color:var(--muted)}
.footer-list a:hover{color:var(--acc)}
.footer-contact p{font-size:14.5px;color:var(--muted);margin-bottom:10px}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .main-nav{display:none}
  .menu-toggle{display:flex}
  .header-actions{margin-left:auto}
  .cta-band{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .banner-inner{padding:44px 24px 38px}
  .act-card{grid-template-columns:240px 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .step-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .act-card{grid-template-columns:1fr}
  .act-thumb{aspect-ratio:16/9}
  .scene-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .banner-stats{gap:22px 30px}
  .brand-text{font-size:14.5px;white-space:normal;max-width:190px;line-height:1.25}
  .nav-text-link{display:none}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
  .banner-inner{padding:34px 16px 30px}
  .header-inner{height:66px;gap:12px}
  .page-banner{margin-top:66px}
  .cta-band{padding:30px 22px}
  .act-body{padding:20px 18px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column}
  .btn{width:100%}
  .cta-actions{width:100%}
  .chip-row{gap:8px}
  .chip{padding:8px 14px;font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#060B14;
  --bg-2:#0A1220;
  --panel:#0E1B2E;
  --panel-2:#101F35;
  --mint:#19E3B1;
  --mint-deep:#12C79A;
  --orange:#FF7A2F;
  --text:#E8EEF6;
  --muted:#93A4BC;
  --weak:#5A6B85;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-card:0 18px 44px rgba(2,7,16,.55);
  --shadow-glow:0 0 0 1px rgba(25,227,177,.35),0 12px 36px rgba(25,227,177,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --mono:"DIN Alternate","Inter",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.site-body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
@media(max-width:1024px){.container{padding:0 24px}}
@media(max-width:640px){.container{padding:0 16px}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,20,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,18,32,.95);
  border-bottom-color:var(--line);
  box-shadow:0 12px 32px rgba(2,7,16,.45);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{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:rgba(25,227,177,.10);
  border:1px solid rgba(25,227,177,.28);
}
.brand-mark svg{width:21px;height:21px}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--mint);background:rgba(25,227,177,.12)}
.header-actions{display:flex;align-items:center;gap:16px}
.nav-text-link{
  font-size:14px;color:var(--muted);padding-bottom:2px;
  border-bottom:1px dashed rgba(147,164,188,.45);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav-text-link:hover{color:var(--mint);border-bottom-color:var(--mint)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  cursor:pointer;padding:0;place-items:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;margin:3px auto;transition:.2s var(--ease)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
@media(max-width:1120px){
  .main-nav{display:none}
  .menu-toggle{display:grid}
}
@media(max-width:640px){
  .header-actions .nav-text-link{display:none}
  .brand-text{font-size:15px}
}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(3,7,14,.66);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.26s var(--ease);z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .28s var(--ease);
  z-index:80;padding:22px 22px 32px;overflow-y:auto;
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:transparent;cursor:pointer}
.drawer-title{font-size:12px;letter-spacing:.14em;color:var(--weak);margin:20px 0 10px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-radius:12px;color:var(--muted);font-size:15px;transition:.2s var(--ease)}
.drawer-link:hover,.drawer-link.active{background:rgba(25,227,177,.10);color:var(--mint)}
.drawer-cta{margin-top:24px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-sm);
  padding:12px 22px;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--mint),var(--mint-deep));color:#04140F;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(25,227,177,.55);color:var(--mint);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-pill{border-radius:999px}
.btn-block{width:100%}

/* ============ article hero ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:44px 0 36px;
  background:
    radial-gradient(760px 320px at 12% 0%,rgba(25,227,177,.12),transparent 65%),
    radial-gradient(620px 300px at 88% 10%,rgba(255,122,47,.07),transparent 60%),
    linear-gradient(180deg,#081120,#060B14);
  border-bottom:1px solid var(--line-soft);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 65% at 50% 0%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 65% at 50% 0%,#000 30%,transparent 100%);
}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--weak);margin-bottom:20px}
.crumb a{color:var(--muted);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--mint)}
.crumb .sep{color:#33445C}
.crumb .current{color:var(--weak);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb .flag{
  font-size:12px;font-weight:600;letter-spacing:.06em;color:#04140F;
  background:var(--mint);border-radius:999px;padding:3px 10px;
}
.hero-pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03);
}
.pill-mint{color:var(--mint);border-color:rgba(25,227,177,.35);background:rgba(25,227,177,.10)}
.pill-orange{color:var(--orange);border-color:rgba(255,122,47,.4);background:rgba(255,122,47,.10)}
.article-title{
  font-size:clamp(28px,3.6vw,46px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;
  max-width:22ch;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:22px;font-size:13.5px;color:var(--weak);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--weak);display:inline-block}
.article-meta strong{color:var(--muted);font-weight:600}
.mono{font-family:var(--mono);letter-spacing:.02em}

/* ============ layout ============ */
.article-wrap{padding:44px 0 20px;background:var(--bg)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
@media(max-width:1050px){.article-layout{grid-template-columns:1fr;gap:24px}}
.article-main{max-width:820px;width:100%}
.paper{
  background:linear-gradient(180deg,rgba(14,27,46,.92),rgba(10,18,32,.92));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:40px;
  box-shadow:var(--shadow-card);
}
@media(max-width:640px){.paper{padding:22px 18px;border-radius:var(--radius)}}

/* article typography */
.article-body{font-size:17px;line-height:1.85;color:#DCE6F2;word-break:break-word}
.article-body > * + *{margin-top:18px}
.article-body h2{
  font-size:clamp(21px,2.2vw,27px);font-weight:700;line-height:1.35;color:var(--text);
  margin-top:38px;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--mint),rgba(25,227,177,.15));
}
.article-body h3{font-size:20px;font-weight:600;color:var(--text);margin-top:28px}
.article-body p{color:#C9D6E6}
.article-body a{color:var(--mint);border-bottom:1px solid rgba(25,227,177,.35)}
.article-body a:hover{color:#7CF2D3}
.article-body strong{color:#FFFFFF}
.article-body ul,.article-body ol{padding-left:22px;color:#C9D6E6}
.article-body li{margin:8px 0}
.article-body ul li::marker{color:var(--mint)}
.article-body ol li::marker{color:var(--mint);font-family:var(--mono)}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-left:3px solid var(--mint);
  background:rgba(25,227,177,.06);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#D6E4F2;
}
.article-body img{border-radius:var(--radius-sm);margin:24px 0;box-shadow:var(--shadow-card)}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--weak);text-align:center}
.article-body hr{border:0;border-top:1px solid var(--line-soft);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border-bottom:1px solid var(--line-soft);padding:12px 14px;text-align:left}
.article-body th{color:var(--mint);font-weight:600;background:rgba(255,255,255,.03)}
.article-body code{
  font-family:var(--mono);font-size:.92em;background:rgba(255,255,255,.06);
  padding:3px 7px;border-radius:6px;color:#8CF0D3;
}
.article-body pre{
  background:#08111E;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px;overflow-x:auto;font-family:var(--mono);font-size:14px;
}
.article-body pre code{background:none;padding:0;color:#CFE3F5}

/* empty state */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.02);
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;
  background:rgba(25,227,177,.10);border:1px solid rgba(25,227,177,.3);color:var(--mint);font-size:24px;
}
.empty-state h3{font-size:20px;font-weight:700;margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* sidebar */
.article-aside{position:sticky;top:96px;display:grid;gap:20px}
@media(max-width:1050px){.article-aside{display:none}}
.aside-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-card);
}
.aside-title{
  font-size:13px;letter-spacing:.12em;color:var(--weak);text-transform:uppercase;
  margin-bottom:14px;font-weight:600;
}
.aside-list{display:grid;gap:4px}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--muted);
  transition:.2s var(--ease);border:1px solid transparent;
}
.aside-list a:hover{background:rgba(25,227,177,.08);color:var(--mint);border-color:rgba(25,227,177,.22)}
.aside-list .idx{font-family:var(--mono);font-size:12px;color:var(--weak)}
.aside-note{font-size:13.5px;color:var(--muted);line-height:1.7}
.aside-cta{
  background:linear-gradient(160deg,rgba(25,227,177,.14),rgba(14,27,46,.9));
  border:1px solid rgba(25,227,177,.28);
}
.aside-cta h3{font-size:17px;font-weight:700;margin-bottom:8px}
.aside-cta p{font-size:13.5px;color:var(--muted);margin-bottom:16px}

/* inline mobile recommend */
.hscroll-block{margin-top:32px}
.hscroll-title{font-size:14px;letter-spacing:.12em;color:var(--weak);margin-bottom:14px;font-weight:600}
.hscroll{display:flex;gap:14px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
.hscroll a{
  flex:0 0 220px;scroll-snap-align:start;
  padding:16px;border-radius:var(--radius);border:1px solid var(--line);
  background:var(--panel);font-size:14.5px;color:var(--muted);
}
.hscroll a span{display:block;font-family:var(--mono);font-size:12px;color:var(--mint);margin-bottom:6px}

/* related */
.related-sec{padding:56px 0 8px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.sec-head p{font-size:14px;color:var(--muted);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media(max-width:900px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.related-grid{grid-template-columns:1fr}}
.card{
  display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.35);box-shadow:var(--shadow-card)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(150deg,#101F35,#060B14)}
.card-media img{width:100%;height:100%;object-fit:cover;opacity:.88;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.05)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,20,.05),rgba(6,11,20,.72))}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.45;color:var(--text)}
.card-body p{font-size:14px;color:var(--muted);line-height:1.7}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--weak)}

/* CTA band */
.cta-band{
  margin:60px 0 70px;
  background:
    radial-gradient(560px 220px at 8% 20%,rgba(25,227,177,.16),transparent 65%),
    linear-gradient(120deg,#0C1A2C,#091120);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.3vw,28px);font-weight:700;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--muted);max-width:56ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:640px){
  .cta-band{padding:26px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* ============ footer ============ */
.site-footer{
  background:var(--bg-2);position:relative;padding:56px 0 26px;margin-top:20px;
  border-top:1px solid var(--line-soft);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(25,227,177,.75),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--muted);max-width:36ch;line-height:1.75}
.footer-title{font-size:13px;letter-spacing:.12em;color:var(--weak);margin-bottom:14px;font-weight:600}
.footer-list{display:grid;gap:9px}
.footer-list a{font-size:14.5px;color:var(--muted);transition:color .2s var(--ease)}
.footer-list a:hover{color:var(--mint)}
.footer-contact p{font-size:14px;color:var(--muted);margin-bottom:8px}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--weak);
}

/* motion */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#060B14;
  --bg-soft:#0A1220;
  --panel:#0E1B2E;
  --panel-2:rgba(255,255,255,.05);
  --mint:#19E3B1;
  --mint-dim:rgba(25,227,177,.12);
  --orange:#FF7A2F;
  --text:#E8EEF6;
  --muted:#93A4BC;
  --faint:#5A6B85;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --radius:18px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-card:0 18px 44px rgba(0,0,0,.42);
  --shadow-mint:0 0 0 1px rgba(25,227,177,.35), 0 12px 36px rgba(25,227,177,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,dl{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}
.num{font-family:"DIN Alternate","Inter",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,20,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.scrolled{
  background:rgba(10,18,32,.95);
  border-bottom-color:var(--line-soft);
  box-shadow:0 12px 30px rgba(0,0,0,.38);
}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;}
.brand-mark svg{width:100%;height:100%;}
.brand-text{
  font-size:17px;font-weight:700;letter-spacing:.02em;
  background:linear-gradient(92deg,#E8EEF6 12%,#9FF3DC 58%,#19E3B1 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--pill);
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--mint);background:rgba(25,227,177,.12);font-weight:600;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-text-link{font-size:14.5px;color:var(--muted);border-bottom:1px solid transparent;padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease);}
.nav-text-link:hover{color:var(--mint);border-bottom-color:rgba(25,227,177,.6);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);padding:13px 26px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(96deg,#19E3B1 0%,#3BF0C6 100%);
  color:#04140F;
  box-shadow:0 0 0 1px rgba(25,227,177,.35), 0 12px 36px rgba(25,227,177,.18);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:var(--text);}
.btn-ghost:hover{border-color:rgba(25,227,177,.7);color:var(--mint);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-pill{border-radius:var(--pill);}
.btn-wide{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* drawer */
.backdrop{
  position:fixed;inset:0;background:rgba(4,8,15,.66);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:70;
}
.backdrop.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);z-index:80;
  background:#0A1220;border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-soft);}
.drawer-title{font-size:15px;font-weight:700;color:var(--mint);}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--muted);}
.drawer-close:hover{color:var(--mint);border-color:rgba(25,227,177,.5);}
.drawer-nav{padding:18px 0;display:flex;flex-direction:column;gap:6px;overflow-y:auto;}
.drawer-group{font-size:12px;letter-spacing:.08em;color:var(--faint);text-transform:uppercase;padding:12px 8px 6px;}
.drawer-nav a{display:block;padding:13px 12px;border-radius:12px;color:var(--muted);font-size:15px;transition:background .2s var(--ease),color .2s var(--ease);}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(25,227,177,.12);color:var(--mint);}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:16px;border-top:1px solid var(--line-soft);}

/* ---------- banner ---------- */
.channel-banner{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#0A1220 0%,#060B14 100%);
  border-bottom:1px solid var(--line-soft);
}
.channel-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/coverpic/cover-2.webp');
  background-size:cover;background-position:center 32%;
  opacity:.30;filter:saturate(.9);
}
.channel-banner::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 320px at 12% 8%, rgba(25,227,177,.20), transparent 68%),
    radial-gradient(600px 280px at 88% 96%, rgba(255,122,47,.12), transparent 72%),
    linear-gradient(180deg, rgba(6,11,20,.86) 0%, rgba(6,11,20,.94) 100%);
}
.banner-inner{position:relative;z-index:2;padding:66px 0 56px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:var(--faint);margin-bottom:22px;}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb .sep{color:#3A4860;}
.breadcrumb .current{color:var(--mint);}
.banner-eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.14em;
  color:var(--mint);border:1px solid rgba(25,227,177,.35);border-radius:var(--pill);
  padding:7px 16px;background:rgba(25,227,177,.08);margin-bottom:20px;
}
.banner-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint);}
.banner-title{font-size:clamp(30px,4.2vw,52px);line-height:1.16;font-weight:800;letter-spacing:-.01em;max-width:860px;}
.banner-title em{font-style:normal;color:var(--mint);}
.banner-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:720px;}
.banner-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;letter-spacing:.06em;padding:7px 14px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted);
}
.tag-mint{color:#0B2B22;background:linear-gradient(96deg,#19E3B1,#43EFC8);border-color:transparent;font-weight:600;}
.tag-orange{color:#FFD8BF;border-color:rgba(255,122,47,.45);background:rgba(255,122,47,.12);}

/* ---------- sections ---------- */
.section{padding:84px 0;}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:760px;margin-bottom:46px;}
.eyebrow{font-size:12.5px;letter-spacing:.16em;color:var(--mint);margin-bottom:14px;display:block;}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.26;font-weight:700;}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;}

/* device area */
.device-grid{display:grid;grid-template-columns:minmax(280px,380px) 1fr;gap:44px;align-items:start;}
.phone{
  position:relative;border-radius:34px;padding:14px;
  background:linear-gradient(160deg,#122238,#0A1322);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow-card);
}
.phone::after{
  content:"";position:absolute;inset:-1px;border-radius:36px;pointer-events:none;
  background:linear-gradient(200deg,rgba(25,227,177,.28),transparent 42%);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1px;
}
.phone-screen{
  border-radius:26px;background:#08111F;border:1px solid var(--line-soft);
  padding:20px 18px 22px;position:relative;overflow:hidden;
}
.phone-screen::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(25,227,177,.05) 0 1px,transparent 1px 5px);
  opacity:.55;
}
.phone-bar{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--faint);letter-spacing:.06em;position:relative;z-index:1;}
.phone-signal{display:flex;gap:3px;align-items:flex-end;}
.phone-signal i{display:block;width:3px;background:var(--mint);border-radius:2px;opacity:.85;}
.phone-signal i:nth-child(1){height:5px;}
.phone-signal i:nth-child(2){height:9px;}
.phone-signal i:nth-child(3){height:13px;}
.phone-signal i:nth-child(4){height:17px;opacity:.35;}
.phone-head{margin-top:20px;position:relative;z-index:1;}
.phone-head h3{font-size:18px;font-weight:700;}
.phone-head p{font-size:13px;color:var(--faint);margin-top:6px;}
.phone-field{
  margin-top:14px;border:1px solid var(--line);border-radius:12px;
  background:rgba(255,255,255,.04);padding:12px 14px;position:relative;z-index:1;
}
.phone-field span{display:block;font-size:11.5px;color:var(--faint);letter-spacing:.08em;}
.phone-field strong{display:block;font-size:14.5px;font-weight:500;color:var(--text);margin-top:4px;}
.phone-field.is-focus{border-color:rgba(25,227,177,.6);box-shadow:0 0 0 3px rgba(25,227,177,.10);}
.phone-btn{
  margin-top:18px;text-align:center;border-radius:12px;padding:13px;
  background:linear-gradient(96deg,#19E3B1,#3BF0C6);color:#04140F;font-weight:700;font-size:14.5px;
  box-shadow:var(--shadow-mint);position:relative;z-index:1;
}
.phone-hint{margin-top:12px;font-size:11.5px;color:var(--faint);text-align:center;position:relative;z-index:1;line-height:1.7;}
.phone-glow{
  position:absolute;width:260px;height:260px;left:-70px;bottom:-90px;border-radius:50%;
  background:radial-gradient(circle,rgba(25,227,177,.28),transparent 68%);filter:blur(12px);pointer-events:none;
}
.step-cards{display:grid;grid-template-columns:1fr;gap:18px;}
.step-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;
  background:linear-gradient(140deg,rgba(14,27,46,.92),rgba(10,18,32,.92));
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.45);box-shadow:var(--shadow-card);}
.step-top{display:flex;align-items:center;gap:14px;}
.step-num{
  font-family:"DIN Alternate","Inter",ui-monospace,monospace;font-size:13px;font-weight:700;
  color:var(--mint);border:1px solid rgba(25,227,177,.4);border-radius:10px;padding:5px 10px;letter-spacing:.08em;
}
.step-title{font-size:19px;font-weight:600;}
.step-text{margin-top:12px;color:var(--muted);font-size:15px;}
.step-note{margin-top:14px;font-size:13px;color:var(--faint);display:flex;gap:8px;align-items:flex-start;}
.step-note i{color:var(--mint);margin-top:4px;}

/* flow list */
.flow-list{position:relative;margin-top:10px;}
.flow-list::before{
  content:"";position:absolute;left:25px;top:12px;bottom:12px;width:1px;
  background:linear-gradient(180deg,rgba(25,227,177,.6),rgba(25,227,177,.06));
}
.flow-item{position:relative;padding:0 0 30px 72px;}
.flow-item:last-child{padding-bottom:0;}
.flow-index{
  position:absolute;left:0;top:2px;width:52px;height:52px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-family:"DIN Alternate","Inter",ui-monospace,monospace;font-size:16px;font-weight:700;
  background:#0A1220;border:1px solid var(--line);color:var(--mint);
}
.flow-item.is-current .flow-index{background:linear-gradient(96deg,#19E3B1,#3BF0C6);color:#04140F;border-color:transparent;box-shadow:var(--shadow-mint);}
.flow-item.is-warm .flow-index{color:var(--orange);border-color:rgba(255,122,47,.45);}
.flow-title{font-size:18.5px;font-weight:600;}
.flow-text{margin-top:9px;color:var(--muted);font-size:15.5px;max-width:760px;}
.flow-note{
  margin-top:12px;display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--muted);border:1px dashed var(--line);border-radius:10px;padding:7px 13px;
}
.flow-note i{color:var(--mint);}

/* access cards */
.access-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.access-card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  background:
    radial-gradient(320px 160px at 100% 0%, rgba(25,227,177,.10), transparent 70%),
    linear-gradient(160deg,#101F35,#0A1220);
  overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.access-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.42);}
.access-card.is-warm{background:radial-gradient(320px 160px at 100% 0%, rgba(255,122,47,.12), transparent 70%),linear-gradient(160deg,#152238,#0A1220);}
.access-icon{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(25,227,177,.12);color:var(--mint);font-size:18px;margin-bottom:18px;
}
.access-card.is-warm .access-icon{background:rgba(255,122,47,.14);color:var(--orange);}
.access-title{font-size:20px;font-weight:600;}
.access-text{margin-top:11px;color:var(--muted);font-size:15px;}
.access-list{margin-top:18px;display:flex;flex-direction:column;gap:11px;}
.access-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);}
.access-list i{color:var(--mint);margin-top:5px;font-size:12px;}
.access-scan{position:absolute;right:-40px;bottom:-40px;width:190px;height:190px;border-radius:50%;border:1px solid rgba(25,227,177,.18);}
.access-scan::after{content:"";position:absolute;inset:26px;border-radius:50%;border:1px solid rgba(25,227,177,.12);}

/* faq */
.faq{display:flex;flex-direction:column;gap:14px;max-width:940px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.03);overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item[open]{border-color:rgba(25,227,177,.4);background:rgba(25,227,177,.05);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;font-size:16.5px;font-weight:600;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:500;
  color:var(--mint);border:1px solid rgba(25,227,177,.4);
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(25,227,177,.14);}
.faq-body{padding:0 22px 21px;color:var(--muted);font-size:15.5px;max-width:840px;}

/* security */
.security-card{
  position:relative;border:1px solid rgba(25,227,177,.28);border-radius:var(--radius);
  padding:38px 40px;overflow:hidden;
  background:
    radial-gradient(520px 220px at 88% 6%, rgba(25,227,177,.16), transparent 72%),
    linear-gradient(150deg,#0D1B2E,#08111F);
}
.security-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(25,227,177,.05) 0 1px,transparent 1px 6px);
  opacity:.5;
}
.security-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:start;}
.security-title{font-size:clamp(22px,2.3vw,30px);font-weight:700;line-height:1.3;}
.security-text{margin-top:14px;color:var(--muted);font-size:15.5px;}
.security-list{display:flex;flex-direction:column;gap:14px;}
.security-list li{
  display:flex;gap:12px;font-size:15px;color:var(--muted);
  background:rgba(255,255,255,.04);border:1px solid var(--line-soft);border-radius:12px;padding:14px 16px;
}
.security-list i{color:var(--mint);margin-top:5px;font-size:12px;}

/* cta */
.cta{
  position:relative;overflow:hidden;border-top:1px solid var(--line-soft);
  background:linear-gradient(120deg,#0A1220 0%,#0E1B2E 58%,#0A1220 100%);
}
.cta::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(25,227,177,.20),transparent 66%);
}
.cta-inner{position:relative;z-index:1;padding:66px 0;display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center;}
.cta-title{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.26;}
.cta-text{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-fine{margin-top:12px;font-size:12.5px;color:var(--faint);text-align:right;}

/* footer */
.site-footer{position:relative;background:var(--bg-soft);padding:64px 0 30px;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(25,227,177,0),rgba(25,227,177,.85),rgba(25,227,177,0));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14.5px;max-width:330px;}
.footer-title{font-size:13px;letter-spacing:.12em;color:var(--faint);margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{color:var(--muted);font-size:14.5px;transition:color .2s var(--ease);}
.footer-list a:hover{color:var(--mint);}
.footer-contact p{color:var(--muted);font-size:14.5px;margin-bottom:10px;}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--faint);
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease);}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* responsive */
@media (max-width:1180px){
  .main-nav{margin-left:4px;}
  .nav-link{padding:9px 11px;font-size:14px;}
}
@media (max-width:1050px){
  .device-grid{grid-template-columns:1fr;gap:34px;}
  .phone{max-width:400px;}
  .security-inner{grid-template-columns:1fr;gap:28px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .cta-fine{text-align:left;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:900px){
  .main-nav,.nav-text-link{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{height:68px;gap:14px;}
  .container{padding:0 24px;}
  .section{padding:64px 0;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .brand-text{font-size:15px;white-space:normal;line-height:1.3;}
  .banner-inner{padding:48px 0 44px;}
  .banner-sub{font-size:15.5px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .access-grid{grid-template-columns:1fr;}
  .flow-item{padding-left:62px;}
  .flow-index{width:44px;height:44px;border-radius:14px;font-size:14px;}
  .flow-list::before{left:21px;}
  .security-card{padding:26px 20px;}
  .step-card{padding:20px;}
  .cta-inner{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .header-actions .btn-sm{width:auto;}
}

/* roulang page: category4 */
:root{
  --bg:#060B14;
  --bg-soft:#0A1220;
  --steel:#0E1B2E;
  --mint:#19E3B1;
  --mint-deep:#0FC79A;
  --orange:#FF7A2F;
  --text:#E8EEF6;
  --muted:#93A4BC;
  --weak:#5A6B85;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-mint:0 0 0 1px rgba(25,227,177,.35), 0 12px 36px rgba(25,227,177,.18);
  --shadow-card:0 18px 40px rgba(2,6,14,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(25,227,177,.28);color:#fff}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(6,11,20,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .26s var(--ease),border-color .26s var(--ease);
}
.site-header.scrolled{background:rgba(10,18,32,.95);border-bottom-color:var(--line-soft)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center}
.brand-mark svg{width:100%;height:100%}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--mint);background:rgba(25,227,177,.12)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.nav-text-link{font-size:14px;color:var(--muted);border-bottom:1px solid transparent;padding-bottom:2px}
.nav-text-link:hover{color:var(--mint);border-bottom-color:rgba(25,227,177,.5)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--mint),var(--mint-deep));color:#04221B;box-shadow:var(--shadow-mint)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(25,227,177,.28)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.22);color:var(--text)}
.btn-ghost:hover{border-color:rgba(25,227,177,.55);color:var(--mint);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-orange{background:linear-gradient(135deg,#FF8B47,var(--orange));color:#2A0F02;box-shadow:0 0 0 1px rgba(255,122,47,.35),0 12px 32px rgba(255,122,47,.18)}
.btn-orange:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-pill{border-radius:999px}
.btn:disabled{opacity:.4;box-shadow:none;transform:none;cursor:not-allowed}

/* ---------- 标签与徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;line-height:1.6;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.04);
}
.tag-mint{color:var(--mint);border-color:rgba(25,227,177,.35);background:rgba(25,227,177,.10)}
.tag-orange{color:var(--orange);border-color:rgba(255,122,47,.38);background:rgba(255,122,47,.10)}
.tag-mute{color:var(--weak);border-color:var(--line-soft);background:rgba(255,255,255,.02)}

/* ---------- 首屏横幅 ---------- */
.page-main{padding-top:72px}
.page-banner{position:relative;overflow:hidden;padding:44px 0 46px;background:var(--bg-soft)}
.banner-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center 30%;
  opacity:.5;
}
.banner-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60% 70% at 12% 20%,rgba(25,227,177,.16),transparent 62%),
    radial-gradient(50% 60% at 88% 8%,rgba(255,122,47,.12),transparent 60%),
    linear-gradient(180deg,rgba(6,11,20,.72),rgba(6,11,20,.94) 68%,var(--bg) 100%);
}
.banner-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--weak);margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb .current{color:var(--text)}
.page-banner h1{
  font-size:clamp(28px,3.8vw,46px);line-height:1.16;font-weight:800;
  letter-spacing:-.01em;margin:16px 0 14px;max-width:16em;
}
.banner-sub{font-size:17px;color:var(--mint);font-weight:600;margin-bottom:14px}
.banner-desc{max-width:760px;color:var(--muted);font-size:16px}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0}
.section-alt{background:var(--bg-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.4vw,32px);line-height:1.25;font-weight:700}
.section-head p{color:var(--muted);font-size:15.5px;margin-top:10px;max-width:720px}
.section-eyebrow{font-size:12.5px;letter-spacing:.14em;color:var(--mint);text-transform:uppercase;font-weight:600}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 频道宫格 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:24px 22px 22px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(14,27,46,.92),rgba(10,18,32,.92));
  border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.topic-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.38);box-shadow:var(--shadow-card)}
.topic-num{
  font-family:"DIN Alternate","Inter",ui-monospace,monospace;
  font-size:13px;letter-spacing:.1em;color:var(--weak);
}
.topic-card h3{font-size:19px;font-weight:600;line-height:1.35}
.topic-card p{font-size:14.5px;color:var(--muted);line-height:1.7}
.topic-link{margin-top:auto;font-size:14px;color:var(--mint);display:inline-flex;align-items:center;gap:6px}
.topic-link::after{content:"→";transition:transform .22s var(--ease)}
.topic-card:hover .topic-link::after{transform:translateX(4px)}

/* ---------- 精选推荐 ---------- */
.picks{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pick-card{
  border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(180deg,rgba(14,27,46,.9),rgba(10,18,32,.94));
  border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.pick-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.35);box-shadow:var(--shadow-card)}
.pick-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.pick-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.pick-card:hover .pick-media img{transform:scale(1.05)}
.pick-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,20,.12),rgba(6,11,20,.72))}
.pick-media .tag{position:absolute;left:14px;top:14px;z-index:2;backdrop-filter:blur(6px)}
.pick-body{padding:20px 20px 22px}
.pick-body h3{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:10px}
.pick-body p{font-size:14.5px;color:var(--muted);line-height:1.72}
.pick-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--weak)}

/* ---------- 文章列表 ---------- */
.post-list{border-top:1px solid var(--line-soft)}
.post-item{
  display:grid;grid-template-columns:280px 1fr;gap:26px;
  padding:24px 0;border-bottom:1px solid var(--line-soft);
  transition:background .24s var(--ease);
}
.post-item:hover{background:rgba(255,255,255,.02)}
.post-thumb{position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.post-item:hover .post-thumb img{transform:scale(1.04)}
.post-body h3{font-size:20px;font-weight:600;line-height:1.4;margin:12px 0 10px}
.post-body h3 a:hover{color:var(--mint)}
.post-body p{font-size:15px;color:var(--muted);max-width:60ch}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:16px;font-size:13px;color:var(--weak)}

/* ---------- 标签云与订阅 ---------- */
.tag-panel{
  display:grid;grid-template-columns:1.35fr 1fr;gap:26px;
  padding:30px;border-radius:var(--radius-lg);
  background:linear-gradient(140deg,rgba(14,27,46,.94),rgba(8,14,26,.94));
  border:1px solid var(--line);
}
.cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.cloud a{
  padding:8px 15px;border-radius:999px;font-size:14px;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03);
  transition:all .22s var(--ease);
}
.cloud a:hover{color:var(--mint);border-color:rgba(25,227,177,.45);background:rgba(25,227,177,.10);transform:translateY(-2px)}
.subscribe-box h3{font-size:19px;font-weight:600;margin-bottom:10px}
.subscribe-box p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;letter-spacing:.03em}
.field input{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:var(--weak)}
.field input:focus{outline:none;border-color:rgba(25,227,177,.65);box-shadow:0 0 0 3px rgba(25,227,177,.12)}
.form-hint{font-size:12.5px;color:var(--weak);margin-top:10px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;border-top:1px solid var(--line-soft)}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  min-height:44px;
}
.faq-q:hover{color:var(--mint)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;color:var(--mint);transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(25,227,177,.12);border-color:rgba(25,227,177,.4)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 4px 24px;color:var(--muted);font-size:15.5px;line-height:1.8;background:rgba(255,255,255,.015);border-radius:0 0 var(--radius-sm) var(--radius-sm)}
.faq-a-inner p{padding-top:2px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(14,27,46,.96),rgba(6,11,20,.98));
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(50% 120% at 8% 0%,rgba(25,227,177,.14),transparent 62%),radial-gradient(40% 110% at 92% 100%,rgba(255,122,47,.10),transparent 60%);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;padding:52px 0}
.cta-inner h2{font-size:clamp(22px,2.2vw,30px);font-weight:700;margin-bottom:12px}
.cta-inner p{color:var(--muted);font-size:15.5px;max-width:56ch}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.cta-note{font-size:12.5px;color:var(--weak)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--bg-soft)}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(25,227,177,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding:56px 0 34px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--muted);max-width:38ch}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.06em;margin-bottom:16px;color:var(--text)}
.footer-list{display:flex;flex-direction:column;gap:9px}
.footer-list a{font-size:14.5px;color:var(--muted)}
.footer-list a:hover{color:var(--mint)}
.footer-contact p{font-size:14.5px;color:var(--muted);margin-bottom:9px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--weak);
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,12,.68);backdrop-filter:blur(2px);z-index:90;opacity:0;pointer-events:none;transition:opacity .24s var(--ease)}
.drawer-mask.show{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:100;
  background:linear-gradient(180deg,#0B1424,#070D18);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .28s var(--ease);
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.mobile-drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);font-size:20px;line-height:1;color:var(--muted)}
.drawer-close:hover{color:var(--mint);border-color:rgba(25,227,177,.4)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-link{padding:12px 14px;border-radius:12px;font-size:15.5px;color:var(--muted)}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.drawer-link.active{color:var(--mint);background:rgba(25,227,177,.12)}
.drawer-group-title{font-size:12.5px;letter-spacing:.12em;color:var(--weak);margin-bottom:6px}
.drawer-cta{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .main-nav{display:none}
  .nav-text-link{display:none}
  .menu-toggle{display:flex}
  .header-actions{margin-left:auto}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .picks{grid-template-columns:repeat(2,1fr)}
  .tag-panel{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:22px}
  .cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:60px 0}
}
@media (max-width:768px){
  .brand-text{font-size:14.5px}
  .post-item{grid-template-columns:1fr;gap:16px}
  .post-thumb{aspect-ratio:16/9}
  .picks{grid-template-columns:1fr}
  .section{padding:52px 0}
  .page-banner{padding:34px 0 38px}
  .banner-desc{font-size:15px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  body{font-size:16px}
  .topic-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding:42px 0 26px}
  .section{padding:48px 0}
  .btn{width:100%}
  .banner-actions{flex-direction:column}
  .faq-q{font-size:15.5px}
  .header-actions .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg:#060B14;
  --bg-2:#0A1220;
  --card:#0E1B2E;
  --card-hi:#122238;
  --mint:#19E3B1;
  --mint-soft:rgba(25,227,177,.12);
  --orange:#FF7A2F;
  --orange-soft:rgba(255,122,47,.14);
  --text:#E8EEF6;
  --muted:#93A4BC;
  --dim:#5A6B85;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 18px 44px rgba(0,0,0,.42);
  --glow:0 0 0 1px rgba(25,227,177,.35),0 12px 36px rgba(25,227,177,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
strong{font-weight:600;color:#fff;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}
.num{font-family:"DIN Alternate","Inter",ui-monospace,SFMono-Regular,monospace;letter-spacing:.01em;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  padding:12px 22px;line-height:1.2;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#19E3B1 0%,#12C79B 100%);
  color:#052018;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(25,227,177,.55);color:#fff;transform:translateY(-2px);}
.btn-line{
  border:1px solid rgba(255,122,47,.55);
  color:#FFB07A;
  background:rgba(255,122,47,.08);
}
.btn-line:hover{background:rgba(255,122,47,.16);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(6,11,20,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,18,32,.96);
  border-bottom-color:var(--line-soft);
  box-shadow:0 10px 30px rgba(0,0,0,.38);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:var(--nav-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(150deg,rgba(25,227,177,.20),rgba(255,122,47,.12));
  border:1px solid var(--line);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:16px;font-weight:700;letter-spacing:.02em;color:#fff;line-height:1.2;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  font-size:14.5px;font-weight:500;color:var(--muted);
  padding:9px 14px;border-radius:999px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.active{color:var(--mint);background:var(--mint-soft);}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-text-link{
  font-size:14px;color:var(--muted);border-bottom:1px solid transparent;padding-bottom:2px;
}
.nav-text-link:hover{color:var(--mint);border-bottom-color:rgba(25,227,177,.6);}
.menu-toggle{
  display:none;width:42px;height:38px;border-radius:11px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  flex-direction:column;justify-content:center;align-items:center;gap:4px;
}
.menu-toggle span{display:block;width:17px;height:1.8px;background:#DDE7F3;border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(3,6,12,.72);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,88vw);
  background:var(--bg-2);border-left:1px solid var(--line);
  padding:22px 22px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-title{font-size:15px;font-weight:600;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);}
.drawer-close:hover{color:#fff;border-color:rgba(25,227,177,.5);}
.drawer-group{margin-bottom:20px;}
.drawer-label{font-size:12px;letter-spacing:.1em;color:var(--dim);margin-bottom:8px;}
.drawer-link{display:block;padding:11px 12px;border-radius:11px;font-size:15px;color:var(--muted);}
.drawer-link:hover{background:rgba(255,255,255,.05);color:#fff;}
.drawer-link.active{background:var(--mint-soft);color:var(--mint);}
.drawer-cta{margin-top:6px;}

/* ---------- 横幅 ---------- */
.page-banner{
  position:relative;
  padding:calc(var(--nav-h) + 58px) 0 54px;
  background-image:linear-gradient(180deg,rgba(6,11,20,.86) 0%,rgba(6,11,20,.94) 62%,var(--bg) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(25,227,177,.13),transparent 64%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--dim);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb .sep{color:var(--dim);opacity:.7;}
.breadcrumb .current{color:#C9D6E6;}
.banner-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;position:relative;z-index:2;}
.banner-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03);
}
.tag-mint{color:var(--mint);border-color:rgba(25,227,177,.4);background:var(--mint-soft);}
.tag-orange{color:#FFB07A;border-color:rgba(255,122,47,.42);background:var(--orange-soft);}
.tag-blue{color:#A9C2DF;border-color:rgba(147,164,188,.32);background:rgba(147,164,188,.10);}
.banner-title{
  font-size:clamp(30px,4.2vw,50px);line-height:1.15;font-weight:800;color:#fff;
  letter-spacing:-.01em;margin-bottom:16px;
}
.banner-title .hl{
  background:linear-gradient(120deg,#19E3B1,#7FF3D8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:26px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.banner-metrics{display:flex;flex-wrap:wrap;gap:30px;border-top:1px solid var(--line-soft);padding-top:20px;}
.metric-num{font-size:24px;font-weight:700;color:#fff;}
.metric-label{font-size:13px;color:var(--dim);}

.banner-card{
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:24px;
  box-shadow:var(--shadow);
}
.banner-card h2{font-size:17px;font-weight:600;margin-bottom:6px;}
.banner-card .card-note{font-size:13px;color:var(--dim);margin-bottom:18px;}
.step-mini{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line-soft);}
.step-mini:last-of-type{border-bottom:0;}
.step-index{
  flex:0 0 26px;height:26px;border-radius:9px;
  display:grid;place-items:center;font-size:12.5px;font-weight:700;
  background:var(--mint-soft);color:var(--mint);border:1px solid rgba(25,227,177,.32);
}
.step-mini strong{display:block;font-size:14.5px;font-weight:600;color:#fff;}
.step-mini span{font-size:13px;color:var(--dim);}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-eyebrow{
  font-size:12.5px;letter-spacing:.1em;color:var(--mint);margin-bottom:12px;
  display:inline-flex;align-items:center;gap:8px;
}
.section-eyebrow::before{content:"";width:22px;height:1.5px;background:linear-gradient(90deg,var(--mint),transparent);}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;color:#fff;margin-bottom:14px;}
.section-desc{font-size:15.5px;color:var(--muted);}

/* ---------- 票种对比 ---------- */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.ticket-card{
  position:relative;display:flex;flex-direction:column;
  background:linear-gradient(180deg,rgba(18,34,56,.86),rgba(14,27,46,.92));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px 24px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.ticket-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.36);box-shadow:var(--shadow);}
.ticket-card.featured{
  border-color:rgba(25,227,177,.5);
  box-shadow:var(--glow);
}
.ticket-flag{
  position:absolute;top:-13px;right:20px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:5px 13px;border-radius:999px;
  background:linear-gradient(135deg,#FF9A55,#FF7A2F);
  color:#231000;
}
.ticket-name{font-size:19px;font-weight:700;color:#fff;margin-bottom:6px;}
.ticket-for{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.ticket-price{display:flex;align-items:baseline;gap:6px;margin-bottom:20px;}
.ticket-price .num{font-size:34px;font-weight:700;color:#fff;line-height:1;}
.ticket-price .unit{font-size:13px;color:var(--dim);}
.ticket-hr{height:1px;background:var(--line-soft);margin:0 0 18px;}
.ticket-list{display:flex;flex-direction:column;gap:11px;margin-bottom:26px;flex:1;}
.ticket-list li{display:flex;gap:10px;font-size:14.5px;color:#C4D2E4;line-height:1.6;}
.ticket-list i{color:var(--mint);font-size:13px;margin-top:5px;}
.ticket-card.featured .ticket-list i{color:var(--mint);}
.ticket-card .btn{margin-top:auto;}
.ticket-foot{font-size:12.5px;color:var(--dim);margin-top:12px;text-align:center;}

/* 图文区块 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/9;background:linear-gradient(140deg,#0E1B2E,#060B14);
}
.figure img{width:100%;height:100%;object-fit:cover;opacity:.9;}
.figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,20,.18),rgba(6,11,20,.62));}
.figure-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  font-size:12.5px;padding:6px 12px;border-radius:999px;
  background:rgba(6,11,20,.72);border:1px solid var(--line);color:#D6E2F0;
}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;}
.mini-card{
  background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;
}
.mini-card strong{display:block;font-size:14.5px;color:#fff;margin-bottom:6px;}
.mini-card span{font-size:13px;color:var(--dim);}

/* ---------- 时间节点 ---------- */
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:50%;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(255,122,47,.55),rgba(255,255,255,.10) 45%,rgba(25,227,177,.45));
}
.tl-item{position:relative;display:flex;width:100%;margin-bottom:26px;}
.tl-item:nth-child(odd){justify-content:flex-start;}
.tl-item:nth-child(even){justify-content:flex-end;}
.tl-card{
  width:calc(50% - 40px);
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(255,122,47,.4);}
.tl-time{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;letter-spacing:.05em;color:#FFB07A;
  background:var(--orange-soft);border:1px solid rgba(255,122,47,.35);
  padding:4px 11px;border-radius:999px;margin-bottom:12px;
}
.tl-card h3{font-size:18px;font-weight:600;color:#fff;margin-bottom:8px;}
.tl-card p{font-size:14.5px;color:var(--muted);}
.tl-dot{
  position:absolute;left:50%;top:26px;width:13px;height:13px;border-radius:50%;
  transform:translateX(-50%);
  background:#0E1B2E;border:2px solid rgba(255,122,47,.85);
  box-shadow:0 0 0 5px rgba(255,122,47,.10);
}
.tl-item:nth-child(5) .tl-dot{border-color:var(--mint);box-shadow:0 0 0 5px rgba(25,227,177,.12);}

/* ---------- 材料清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 18px;transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.check-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.34);}
.check-num{
  font-size:12.5px;font-weight:700;color:var(--mint);
  background:var(--mint-soft);border:1px solid rgba(25,227,177,.3);
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;margin-bottom:14px;
}
.check-card h3{font-size:15.5px;font-weight:600;color:#fff;margin-bottom:7px;}
.check-card p{font-size:13.5px;color:var(--dim);line-height:1.65;}

/* ---------- 退款 / 改期 ---------- */
.policy{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--card);
}
.policy-row{
  display:grid;grid-template-columns:1.1fr 1fr 1fr;
  gap:16px;padding:18px 24px;border-bottom:1px solid var(--line-soft);
  font-size:14.5px;align-items:center;
}
.policy-row:last-child{border-bottom:0;}
.policy-row.head{
  background:rgba(255,255,255,.04);color:var(--muted);
  font-size:13px;letter-spacing:.06em;
}
.policy-row .stage{color:#fff;font-weight:600;}
.policy-row .money{color:var(--mint);}
.policy-row .change{color:#C4D2E4;}
.policy-note{font-size:13px;color:var(--dim);margin-top:16px;}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:960px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);overflow:hidden;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item:hover{border-color:rgba(25,227,177,.32);}
.faq-item[open]{background:var(--card-hi);border-color:rgba(25,227,177,.34);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;min-height:44px;
  font-size:16px;font-weight:600;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:19px;font-weight:400;color:var(--mint);
  transition:transform .24s var(--ease);line-height:1;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#0A1220 0%,#0E1B2E 55%,#0A1220 100%);
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-80px;bottom:-160px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(25,227,177,.14),transparent 66%);
}
.cta-inner{
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  padding:52px 0;position:relative;z-index:2;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;margin-bottom:12px;}
.cta-inner p{font-size:15px;color:var(--muted);max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-fine{font-size:12.5px;color:var(--dim);margin-top:14px;grid-column:1/-1;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid transparent;
  position:relative;
  padding:58px 0 22px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(25,227,177,.85),rgba(25,227,177,0));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);max-width:340px;}
.footer-title{font-size:13px;letter-spacing:.08em;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{font-size:14px;color:var(--muted);}
.footer-list a:hover{color:var(--mint);}
.footer-contact p{font-size:14px;color:var(--muted);margin-bottom:9px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid var(--line-soft);padding-top:20px;
  font-size:13px;color:var(--dim);
}

/* ---------- 响应式 ---------- */
@media (max-width:1050px){
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .nav-text-link{display:none;}
  .banner-grid{grid-template-columns:1fr;gap:32px;}
  .check-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:28px;}
  .ticket-grid{grid-template-columns:1fr;}
  .ticket-card.featured{order:-1;}
  .timeline::before{left:9px;}
  .tl-item{justify-content:flex-start;padding-left:38px;}
  .tl-item:nth-child(even){justify-content:flex-start;}
  .tl-card{width:100%;}
  .tl-dot{left:9px;top:24px;}
  .cta-inner{grid-template-columns:1fr;padding:44px 0;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:768px){
  .container{padding:0 24px;}
  .section{padding:60px 0;}
  .check-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .policy-row{grid-template-columns:1fr;gap:6px;padding:16px 18px;}
  .policy-row.head{display:none;}
  .policy-row .stage{font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .banner-actions .btn,.cta-actions .btn{width:100%;}
  .brand-text{font-size:14.5px;}
  .banner-metrics{gap:18px;}
  .check-grid{grid-template-columns:1fr;}
  .mini-grid{grid-template-columns:1fr;}
  .ticket-price .num{font-size:30px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}