/* roulang page: index */
:root{
  --ink-950:#050B14;--ink-900:#08111F;--ink-800:#0C1A2B;--ink-700:#122436;
  --mint:#2FE3C4;--mint-dim:rgba(47,227,196,.12);--amber:#F2B24C;
  --text:#E8F0F7;--text-2:#9DB0C4;--text-3:#6B8199;
  --line:rgba(255,255,255,.10);--cline:rgba(255,255,255,.12);
  --r-sm:10px;--r-md:16px;--r-lg:22px;--r-xl:28px;
  --sh-1:0 8px 24px rgba(3,8,18,.45);--sh-2:0 18px 46px rgba(3,8,18,.62);
  --glow:0 0 0 1px rgba(47,227,196,.45),0 10px 34px rgba(47,227,196,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#2FE3C4;--bs-body-bg:#08111F;--bs-body-color:#E8F0F7;
  --bs-border-color:rgba(255,255,255,.12);--bs-border-radius:16px;
  --bs-link-color:#2FE3C4;--bs-link-hover-color:#8BF3DE;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-card-bg:rgba(255,255,255,.03);--bs-card-border-color:rgba(255,255,255,.12);
  --bs-emphasis-color:#E8F0F7;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--bs-font-sans-serif);font-size:16px;line-height:1.9;
  color:var(--text);background:
    radial-gradient(900px 520px at 82% -6%,rgba(47,227,196,.10),transparent 62%),
    radial-gradient(760px 460px at 6% 14%,rgba(18,50,74,.85),transparent 60%),
    linear-gradient(180deg,var(--ink-900) 0%,var(--ink-800) 100%);
  background-attachment:fixed;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
@media (min-width:992px){body{font-size:17px;line-height:1.92}}
img{max-width:100%;height:auto;display:block}
a{color:var(--mint);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:#8BF3DE}
h1,h2,h3,h4{letter-spacing:-.015em;line-height:1.26;color:var(--text);margin:0}
p{margin:0 0 1.1em}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,227,196,.28);color:#fff}
.container{width:100%;padding-left:18px;padding-right:18px;margin:0 auto;max-width:100%}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1200px){.container{width:1180px;max-width:1180px}}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:992px){.section{padding:104px 0}}
.section-head{margin-bottom:32px}
@media (min-width:992px){.section-head{margin-bottom:46px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--mint);
  background:var(--mint-dim);border:1px solid rgba(47,227,196,.28);border-radius:999px;padding:5px 14px;margin-bottom:16px}
.h1{font-size:clamp(2.1rem,1.3rem + 3.4vw,3.9rem);font-weight:800;letter-spacing:-.02em}
.h2{font-size:clamp(1.55rem,1.15rem + 1.6vw,2.35rem);font-weight:700}
.h3{font-size:clamp(1.15rem,1.05rem + .35vw,1.35rem);font-weight:600}
.lead{color:var(--text-2);font-size:1rem}
@media (min-width:992px){.lead{font-size:1.075rem}}
.muted{color:var(--text-2)}
.weak{color:var(--text-3)}
.tiny{font-size:13px}
.glass{background:rgba(255,255,255,.045);border:1px solid var(--cline);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%)}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){
  .glass{background:rgba(12,26,43,.92)}
}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;
  border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent;transition:all .24s var(--ease);text-align:center}
.btn:active{transform:scale(.98)}
.btn-mint{background:var(--mint);color:#04211C;box-shadow:var(--glow)}
.btn-mint:hover{background:#4DEDD2;color:#04211C;filter:brightness(1.06);box-shadow:0 0 0 1px rgba(47,227,196,.6),0 14px 40px rgba(47,227,196,.36)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:var(--cline);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(47,227,196,.5);color:#fff}
.btn-line{background:transparent;border-color:rgba(47,227,196,.45);color:var(--mint)}
.btn-line:hover{background:var(--mint-dim);color:#8BF3DE}
.badge-soft{display:inline-flex;align-items:center;font-size:12.5px;line-height:1;padding:6px 10px;border-radius:10px;
  background:var(--mint-dim);color:var(--mint);border:1px solid rgba(47,227,196,.22)}
.badge-amber{background:rgba(242,178,76,.14);color:var(--amber);border-color:rgba(242,178,76,.32)}
.badge-plain{background:rgba(255,255,255,.06);color:var(--text-2);border-color:var(--cline)}
/* ---------- NAV ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;height:72px;
  background:rgba(8,17,31,.36);border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px) saturate(140%);-webkit-backdrop-filter:blur(12px) saturate(140%);
  box-shadow:0 6px 22px rgba(3,8,18,.35);transition:height .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease)}
.site-header.is-stuck{height:64px;background:rgba(8,17,31,.9);border-bottom-color:var(--cline);box-shadow:0 12px 34px rgba(3,8,18,.6)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:18px}
.logo{display:flex;align-items:center;gap:11px;color:var(--text)}
.logo:hover{color:#fff}
.logo-mark{position:relative;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(47,227,196,.28),rgba(18,50,74,.9));border:1px solid rgba(47,227,196,.4);
  font-weight:800;font-size:15px;color:var(--mint);letter-spacing:-.02em;overflow:hidden;box-shadow:0 6px 18px rgba(3,8,18,.5)}
.logo-mark span{position:relative;z-index:2}
.logo-mark::after{content:"28";position:absolute;right:-6px;bottom:-8px;font-size:26px;font-weight:800;color:rgba(47,227,196,.08);z-index:1}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:1.02rem;font-weight:800;letter-spacing:-.01em}
.logo-text i{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.16em}
.nav-links{display:none;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
@media (min-width:992px){.nav-links{display:flex}}
.nav-links a{position:relative;display:block;padding:10px 14px;font-size:.94rem;color:var(--text-2);border-radius:999px}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--mint);
  border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);box-shadow:0 0 10px rgba(47,227,196,.8)}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--cline);
  background:rgba(255,255,255,.05);color:var(--text-2);place-items:center;transition:all .24s var(--ease)}
@media (min-width:992px){.nav-search{display:grid}}
.nav-search:hover{color:var(--mint);border-color:rgba(47,227,196,.5)}
.nav-cta{display:none}
@media (min-width:992px){.nav-cta{display:inline-flex;height:42px;padding:0 20px}}
.burger{width:42px;height:42px;border-radius:12px;border:1px solid var(--cline);background:rgba(255,255,255,.05);
  display:grid;place-items:center;gap:4px;padding:0}
@media (min-width:992px){.burger{display:none}}
.burger i{display:block;width:18px;height:1.8px;background:var(--text);border-radius:2px;transition:all .24s var(--ease)}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:1060;padding:22px 20px 26px;
  background:rgba(9,19,33,.94);border-left:1px solid var(--cline);box-shadow:-18px 0 50px rgba(3,8,18,.7);
  backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);
  transform:translateX(102%);transition:transform .3s var(--ease);display:flex;flex-direction:column;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--cline);background:rgba(255,255,255,.05);color:var(--text);font-size:20px;line-height:1}
.drawer-list{list-style:none;margin:0 0 auto;padding:0;display:flex;flex-direction:column;gap:4px}
.drawer-list a{display:block;padding:14px 14px;border-radius:var(--r-sm);color:var(--text-2);font-size:1rem;border:1px solid transparent}
.drawer-list a:hover,.drawer-list a.active{background:rgba(255,255,255,.05);border-color:var(--cline);color:#fff}
.drawer-foot{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.drawer-mask{position:fixed;inset:0;background:rgba(3,8,18,.6);z-index:1050;opacity:0;visibility:hidden;transition:opacity .3s var(--ease)}
.drawer-mask.is-open{opacity:1;visibility:visible}
/* ---------- HERO ---------- */
.hero{position:relative;min-height:72vh;display:flex;align-items:center;padding:110px 0 56px;overflow:hidden}
@media (min-width:992px){.hero{min-height:88vh;padding:130px 0 70px}}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-bg::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(5,11,20,.86) 0%,rgba(8,17,31,.72) 42%,rgba(8,17,31,.96) 100%),
  radial-gradient(700px 420px at 78% 22%,rgba(47,227,196,.16),transparent 66%)}
.hero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:24px 24px}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.07);border:1px solid var(--cline);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);margin-bottom:20px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px rgba(47,227,196,.9)}
.hero-sub{margin:18px 0 26px;font-size:1.02rem;color:var(--text-2);max-width:640px}
@media (min-width:992px){.hero-sub{font-size:1.12rem}}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.info-bar{display:flex;flex-wrap:wrap;gap:8px 0;border:1px solid var(--cline);border-radius:var(--r-xl);
  background:rgba(255,255,255,.05);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:6px 4px;overflow:hidden}
.info-bar div{flex:1 1 50%;min-width:0;padding:12px 16px;font-size:.9rem;color:var(--text-2);display:flex;align-items:center;gap:8px}
@media (min-width:992px){.info-bar div{flex:1 1 0}}
.info-bar strong{color:var(--text);font-weight:600}
/* ---------- KEY METRICS ---------- */
.fact-row{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (min-width:992px){.fact-row{grid-template-columns:repeat(4,1fr)}}
.fact{padding:24px 18px;border-right:1px solid var(--line)}
.fact:last-child{border-right:0}
@media (max-width:991px){.fact:nth-child(2n){border-right:0}.fact:nth-child(n+3){border-top:1px solid var(--line)}}
.fact b{display:block;font-size:1.25rem;font-weight:800;color:var(--text);letter-spacing:-.01em;margin-bottom:4px}
.fact span{font-size:13px;color:var(--text-3)}
/* ---------- TIMELINE ---------- */
.pill-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.pill-tab{border:1px solid var(--cline);background:rgba(255,255,255,.05);color:var(--text-2);border-radius:999px;
  padding:9px 20px;font-size:.9rem;font-weight:600;transition:all .24s var(--ease)}
.pill-tab:hover{color:#fff;border-color:rgba(47,227,196,.45)}
.pill-tab.active{background:var(--mint);color:#04211C;border-color:transparent;box-shadow:var(--glow)}
.timeline{position:relative;padding-left:26px}
@media (min-width:992px){.timeline{padding-left:0}}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(47,227,196,.9),rgba(47,227,196,.05))}
@media (min-width:992px){.timeline::before{left:50%;transform:translateX(-1px)}}
.tl-item{position:relative;padding-bottom:26px}
@media (min-width:992px){.tl-item{width:50%;padding-bottom:34px}
  .tl-item:nth-child(odd){padding-right:44px;text-align:right}
  .tl-item:nth-child(even){margin-left:50%;padding-left:44px}
  .tl-item:nth-child(odd) .tl-node{left:auto;right:-6px}
  .tl-item:nth-child(even) .tl-node{left:-6px}
}
.tl-node{position:absolute;top:22px;left:-26px;width:12px;height:12px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 4px rgba(47,227,196,.16),0 0 14px rgba(47,227,196,.8);z-index:2}
@media (min-width:992px){.tl-node{top:26px}}
.tl-card{padding:22px 22px 20px;border-radius:var(--r-lg);background:rgba(255,255,255,.045);border:1px solid var(--cline);
  box-shadow:var(--sh-1);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.tl-card:hover{transform:translateY(-5px);border-color:rgba(47,227,196,.35);box-shadow:var(--sh-2)}
.tl-time{font-size:13px;color:var(--mint);font-weight:600;letter-spacing:.02em}
.tl-card h3{margin:8px 0 10px;font-size:1.14rem;font-weight:600}
.tl-who{font-size:.9rem;color:var(--text-2)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
@media (min-width:992px){.tl-item:nth-child(odd) .tl-tags{justify-content:flex-end}}
/* ---------- BENTO ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:992px){.bento{grid-template-columns:repeat(12,1fr);gap:24px}
  .bento-main{grid-column:span 8}
  .bento-side{grid-column:span 4;display:grid;gap:24px;align-content:start}}
.bento-card{overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--cline);background:rgba(255,255,255,.045);
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.bento-card:hover{transform:translateY(-5px);border-color:rgba(47,227,196,.35);box-shadow:var(--sh-2)}
.bento-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.bento-body{padding:22px}
.bento-body h3{margin-bottom:8px;font-size:1.2rem}
/* ---------- TICKETS ---------- */
.ticket-grid{display:grid;grid-template-columns:1fr;gap:22px;align-items:stretch}
@media (min-width:768px){.ticket-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.ticket-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.ticket{display:flex;flex-direction:column;padding:28px 24px;border-radius:var(--r-xl);border:1px solid var(--cline);
  background:rgba(255,255,255,.045);box-shadow:var(--sh-1);position:relative;
  backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.ticket:hover{transform:translateY(-5px);border-color:rgba(47,227,196,.35);box-shadow:var(--sh-2)}
.ticket.best{border-color:rgba(242,178,76,.55);box-shadow:0 0 0 1px rgba(242,178,76,.35),0 18px 46px rgba(3,8,18,.6);transform:translateY(-4px) scale(1.03)}
.ticket.best:hover{transform:translateY(-8px) scale(1.03)}
.ticket-name{font-size:1.05rem;font-weight:600;color:var(--text-2);margin-bottom:6px}
.ticket-price{font-size:2rem;font-weight:800;letter-spacing:-.02em;color:var(--text);font-variant-numeric:tabular-nums}
.ticket-price small{font-size:.85rem;font-weight:500;color:var(--text-3);margin-left:6px}
.ticket ul{list-style:none;margin:20px 0 24px;padding:0;border-top:1px solid var(--line)}
.ticket li{display:flex;align-items:center;gap:10px;min-height:40px;font-size:.93rem;color:var(--text-2);border-bottom:1px solid var(--line)}
.ticket li.off{color:var(--text-3)}
.tick{flex:0 0 18px;width:18px;height:18px;border-radius:50%;border:1.5px solid var(--mint);display:grid;place-items:center}
.tick svg{width:9px;height:9px;stroke:var(--mint);stroke-width:2.4;fill:none}
.dash{flex:0 0 18px;width:18px;height:18px;border-radius:50%;border:1.5px solid rgba(255,255,255,.2);display:grid;place-items:center}
.dash::before{content:"";width:8px;height:1.5px;background:rgba(255,255,255,.3);border-radius:2px}
.ticket .btn{margin-top:auto;width:100%}
/* ---------- STATS ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (min-width:992px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{padding:30px 18px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
@media (max-width:991px){.stat:nth-child(2n){border-right:0}.stat:nth-child(n+3){border-top:1px solid var(--line)}}
.stat b{display:block;font-size:clamp(1.6rem,1.2rem + 1.4vw,2.3rem);font-weight:800;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#2FE3C4,#7FE8FF);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.02em}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-2)}
/* ---------- NEWS ---------- */
.news-card{display:flex;flex-direction:column;height:100%;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--cline);
  background:rgba(255,255,255,.045);box-shadow:var(--sh-1);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.news-card:hover{transform:translateY(-5px);border-color:rgba(47,227,196,.35);box-shadow:var(--sh-2)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(8,17,31,.7) 100%)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:1.08rem;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{font-size:.92rem;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3)}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:240px;
  padding:40px 20px;border-radius:var(--r-lg);border:1px dashed var(--cline);background:rgba(255,255,255,.03)}
.empty-icon{width:46px;height:46px;border-radius:14px;border:1.5px solid rgba(47,227,196,.5);display:grid;place-items:center;margin-bottom:16px}
.empty-icon svg{width:20px;height:20px;stroke:var(--mint);stroke-width:1.7;fill:none}
/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--cline);border-radius:var(--r-md);background:rgba(255,255,255,.04);margin-bottom:12px;overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease)}
.faq-item:hover{border-color:rgba(47,227,196,.3)}
.faq-item.open{border-color:rgba(47,227,196,.5);background:rgba(47,227,196,.05)}
.faq-q{display:flex;align-items:center;gap:16px;width:100%;padding:18px 20px;background:none;border:0;text-align:left;
  color:var(--text);font-size:1rem;font-weight:600}
.faq-idx{flex:0 0 auto;font-size:13px;color:var(--mint);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.faq-plus{flex:0 0 auto;margin-left:auto;width:22px;height:22px;position:relative;transition:transform .22s var(--ease)}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--mint);border-radius:2px;left:50%;top:50%}
.faq-plus::before{width:13px;height:1.8px;transform:translate(-50%,-50%)}
.faq-plus::after{width:1.8px;height:13px;transform:translate(-50%,-50%)}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-a{padding:0 20px 20px 49px;color:var(--text-2);font-size:.95rem}
.faq-a p{margin:0}
/* ---------- CTA FORM ---------- */
.cta-card{display:grid;grid-template-columns:1fr;gap:32px;padding:28px 22px;border-radius:var(--r-xl);border:1px solid var(--cline);
  background:linear-gradient(140deg,rgba(47,227,196,.08),rgba(12,26,43,.86) 46%,rgba(5,11,20,.9));
  box-shadow:var(--sh-2);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
@media (min-width:768px){.cta-card{padding:38px 34px}}
@media (min-width:992px){.cta-card{grid-template-columns:1fr 1fr;gap:48px;padding:48px}}
.benefit{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:.95rem;color:var(--text-2)}
.benefit svg{flex:0 0 18px;width:18px;height:18px;stroke:var(--mint);stroke-width:1.8;fill:none;margin-top:3px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:7px}
.form-control,.form-select{width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);background:rgba(255,255,255,.05);
  border:1px solid var(--cline);color:var(--text);font-size:.95rem;font-family:inherit;transition:all .24s var(--ease)}
textarea.form-control{height:110px;padding:12px 14px;line-height:1.8;resize:vertical}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus,.form-select:focus{outline:none;background:rgba(255,255,255,.08);border-color:rgba(47,227,196,.6);
  box-shadow:0 0 0 3px rgba(47,227,196,.16)}
.form-select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239DB0C4' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center}
.form-select option{background:var(--ink-800);color:var(--text)}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--text-2)}
.form-check input{width:18px;height:18px;margin-top:4px;accent-color:#2FE3C4;flex:0 0 18px}
.err{color:var(--amber);font-size:13px;margin-top:6px}
.is-error{border-color:rgba(242,178,76,.75)!important;box-shadow:0 0 0 3px rgba(242,178,76,.14)!important}
/* ---------- FOOTER ---------- */
.site-footer{background:var(--ink-950);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:20px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.6),transparent)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media (min-width:992px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}}
.foot-title{font-size:.95rem;font-weight:600;color:var(--text);margin-bottom:16px}
.foot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-list a,.foot-list li{font-size:.9rem;color:var(--text-3)}
.foot-list a:hover{color:var(--mint)}
.foot-desc{font-size:.9rem;color:var(--text-3);margin:16px 0 0;max-width:340px}
.foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:var(--text-3)}
@media (max-width:575px){
  .btn{width:100%}
  .hero{min-height:70vh;padding:96px 0 48px}
  .info-bar div{flex:1 1 50%;padding:10px 14px;font-size:.85rem}
  .fact-row,.stats{grid-template-columns:1fr}
  .fact,.stat{border-right:0;border-top:1px solid var(--line)}
  .fact:first-child,.stat:first-child{border-top:0}
  .bento-body,.tl-card{padding:18px}
  .cta-card{padding:24px 18px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* roulang page: article */
:root{
  --ink-950:#050B14; --ink-900:#08111F; --ink-800:#0C1A2B; --ink-700:#122436;
  --mint:#2FE3C4; --mint-soft:rgba(47,227,196,.12); --amber:#F2B24C;
  --text:#E8F0F7; --text-2:#9DB0C4; --text-3:#6B8199;
  --line:rgba(255,255,255,.10); --stroke:rgba(255,255,255,.12);
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:28px;
  --sh-1:0 8px 24px rgba(3,8,18,.45); --sh-2:0 18px 46px rgba(3,8,18,.62);
  --glow:0 0 0 1px rgba(47,227,196,.45), 0 10px 34px rgba(47,227,196,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#2FE3C4; --bs-body-bg:#08111F; --bs-body-color:#E8F0F7;
  --bs-border-color:rgba(255,255,255,.12); --bs-border-radius:16px;
  --bs-link-color:#2FE3C4; --bs-link-hover-color:#7CF3DE;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-card-bg:rgba(12,26,43,.72); --bs-card-border-color:rgba(255,255,255,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.9;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(47,227,196,.10), transparent 62%),
    radial-gradient(760px 520px at 92% 4%, rgba(18,50,74,.60), transparent 66%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 60%, var(--ink-900) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease)}
a:hover{color:var(--mint)}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px}
h1,h2,h3,h4{letter-spacing:-.015em;line-height:1.28;margin:0}
p{margin:0 0 1.1em}
::selection{background:rgba(47,227,196,.32);color:#04120F}

/* ============ 按钮体系 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:all .24s var(--ease);white-space:nowrap}
.btn-primary{background:var(--mint);color:#04150F;box-shadow:var(--glow)}
.btn-primary:hover{color:#04150F;filter:brightness(1.07);box-shadow:0 0 0 1px rgba(47,227,196,.7),0 14px 40px rgba(47,227,196,.4);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--stroke);color:var(--text);backdrop-filter:blur(10px)}
.btn-ghost:hover{border-color:rgba(47,227,196,.5);color:var(--text);background:rgba(47,227,196,.08)}
.btn-outline{background:transparent;border-color:var(--stroke);color:var(--text-2)}
.btn-outline:hover{border-color:var(--mint);color:var(--mint)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(8,17,31,.42);
  backdrop-filter:blur(12px) saturate(140%);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 28px rgba(3,8,18,.35);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-stuck{background:rgba(8,17,31,.90);border-bottom-color:var(--stroke);box-shadow:0 14px 38px rgba(3,8,18,.6)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .3s var(--ease)}
.site-header.is-stuck .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;font-size:13px;font-weight:800;letter-spacing:.02em;
  color:#04150F;background:linear-gradient(150deg,#2FE3C4,#1AA88F);box-shadow:0 6px 18px rgba(47,227,196,.28)}
.logo-mark::after{content:"28";position:absolute;right:-4px;bottom:-6px;font-size:11px;font-weight:700;color:var(--mint);opacity:.55}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo-text i{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links a{position:relative;display:block;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:999px}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
  box-shadow:0 0 10px rgba(47,227,196,.8)}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-link{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--stroke);background:rgba(255,255,255,.04);color:var(--text-2)}
.icon-link:hover{color:var(--mint);border-color:rgba(47,227,196,.5)}
.icon-link svg{width:18px;height:18px}
.menu-btn{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--stroke);
  background:rgba(255,255,255,.05);color:var(--text);align-items:center;justify-content:center;cursor:pointer}
.menu-btn svg{width:20px;height:20px}
.read-progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:linear-gradient(90deg,#2FE3C4,rgba(47,227,196,0));box-shadow:0 0 12px rgba(47,227,196,.7)}

/* ============ 移动抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(5,11,20,.66);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:opacity .26s var(--ease);z-index:1090}
.drawer-mask.open{opacity:1;pointer-events:auto}
.mobile-drawer{position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);z-index:1100;
  background:linear-gradient(180deg,rgba(12,26,43,.96),rgba(8,17,31,.98));
  backdrop-filter:blur(18px) saturate(150%);
  border-left:1px solid var(--stroke);box-shadow:-24px 0 60px rgba(3,8,18,.7);
  transform:translateX(106%);transition:transform .3s var(--ease);
  padding:22px 22px 28px;display:flex;flex-direction:column;gap:22px;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--stroke);background:rgba(255,255,255,.05);
  color:var(--text);font-size:20px;line-height:1;cursor:pointer}
.drawer-close:hover{border-color:var(--mint);color:var(--mint)}
.drawer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.drawer-links a{display:block;padding:14px 14px;border-radius:var(--r-md);color:var(--text-2);font-size:16px;
  border:1px solid transparent}
.drawer-links a:hover,.drawer-links a.active{color:var(--text);background:rgba(47,227,196,.08);border-color:rgba(47,227,196,.3)}
.drawer-cta{margin-top:auto;width:100%}

/* ============ 文章头图区 ============ */
.article-hero{position:relative;padding:150px 0 62px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(5,11,20,.82) 0%,rgba(8,17,31,.86) 52%,rgba(8,17,31,.98) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;}
.article-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;opacity:.35;mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%)}
.article-hero .container{position:relative;z-index:2}
.breadcrumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb-nav a{color:var(--text-3)}
.breadcrumb-nav a:hover{color:var(--mint)}
.breadcrumb-nav .sep{color:rgba(255,255,255,.2)}
.breadcrumb-nav .current{color:var(--text-2)}
.article-title{font-size:clamp(1.9rem,1.2rem + 2.9vw,3.15rem);font-weight:800;max-width:900px;color:#fff}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:24px;font-size:13.5px;color:var(--text-3)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta .meta-item svg{width:15px;height:15px;color:var(--mint)}
.article-meta .divider{width:1px;height:14px;background:var(--line)}
.badge-cat{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-sm);
  font-size:12.5px;font-weight:600;color:var(--mint);background:var(--mint-soft);border:1px solid rgba(47,227,196,.24)}

/* ============ 正文布局 ============ */
.article-main{padding:64px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:start}
.article-card{
  background:rgba(12,26,43,.66);
  border:1px solid var(--stroke);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:36px 34px;
}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.92;color:var(--text)}
.article-body p{margin:0 0 1.1em}
.article-body h2{font-size:clamp(1.35rem,1.05rem + 1vw,1.9rem);font-weight:700;margin:48px 0 18px;
  padding-left:14px;position:relative;color:#fff}
.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(47,227,196,.15))}
.article-body h3{font-size:1.24rem;font-weight:600;margin:36px 0 14px;color:#fff}
.article-body h4{font-size:1.08rem;font-weight:600;margin:28px 0 12px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{line-height:1.9;margin-bottom:.5em}
.article-body li::marker{color:var(--mint)}
.article-body blockquote{margin:26px 0;padding:16px 22px;border-left:3px solid var(--mint);
  background:rgba(47,227,196,.06);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-2);font-size:1.02em}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:26px auto;border-radius:var(--r-md);border:1px solid var(--stroke)}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3)}
.article-body a{color:var(--mint);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:#8DF6E2}
.article-body strong{color:#fff;font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body .table-wrap,.article-body table{max-width:100%}
.article-body .table-wrap{overflow-x:auto;margin:26px 0;border:1px solid var(--stroke);border-radius:var(--r-md)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body th,.article-body td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body thead th{background:rgba(255,255,255,.05);color:#fff;font-weight:600;font-size:14px}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-empty{text-align:center;padding:60px 20px}
.article-empty h2{font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:14px}
.article-empty p{color:var(--text-2);max-width:520px;margin:0 auto 26px}

/* ============ 侧栏 ============ */
.article-side{display:none}
.side-card{background:rgba(12,26,43,.7);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);margin-bottom:20px}
.side-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px rgba(47,227,196,.9)}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.side-list a{display:block;padding:10px 12px;border-radius:var(--r-sm);font-size:14.5px;color:var(--text-2);
  border-left:2px solid transparent}
.side-list a:hover{color:var(--text);background:rgba(255,255,255,.04);border-left-color:var(--mint)}
.side-cta{background:linear-gradient(160deg,rgba(47,227,196,.14),rgba(12,26,43,.75));
  border:1px solid rgba(47,227,196,.28)}
.side-cta p{font-size:14px;color:var(--text-2);margin:0 0 16px}
.side-cta .btn{width:100%}

/* ============ 文末区 ============ */
.article-foot{margin-top:28px;display:flex;flex-direction:column;gap:26px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:13px;color:var(--text-3)}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-sm);
  font-size:13px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--stroke)}
.tag:hover{color:var(--mint);border-color:rgba(47,227,196,.45)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.share-row .label{font-size:13px;color:var(--text-3)}
.share-btn{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 16px;border-radius:999px;
  font-size:13.5px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--stroke);cursor:pointer}
.share-btn:hover{color:var(--mint);border-color:rgba(47,227,196,.45)}
.share-btn svg{width:15px;height:15px}
.pn-grid{display:grid;grid-template-columns:1fr;gap:16px}
.pn-card{display:block;background:rgba(12,26,43,.66);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.pn-card:hover{transform:translateY(-5px);border-color:rgba(47,227,196,.34);box-shadow:var(--sh-2);color:var(--text)}
.pn-card .pn-dir{font-size:12.5px;color:var(--text-3);letter-spacing:.04em}
.pn-card h3{font-size:1.05rem;font-weight:600;margin:10px 0 8px;color:#fff;line-height:1.5}
.pn-card .pn-cat{font-size:12.5px;color:var(--mint)}
.related-title{font-size:clamp(1.3rem,1.05rem + .8vw,1.7rem);font-weight:700;color:#fff;margin-bottom:22px}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
.rel-card{display:block;background:rgba(12,26,43,.66);border:1px solid var(--stroke);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.rel-card:hover{transform:translateY(-5px);border-color:rgba(47,227,196,.34);box-shadow:var(--sh-2);color:var(--text)}
.rel-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800)}
.rel-media img{width:100%;height:100%;object-fit:cover}
.rel-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,11,20,.05),rgba(5,11,20,.72))}
.rel-body{padding:20px}
.rel-body .badge-cat{margin-bottom:12px}
.rel-body h3{font-size:1.08rem;font-weight:600;color:#fff;line-height:1.5;margin-bottom:8px}
.rel-body p{font-size:14.5px;color:var(--text-2);margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-time{font-size:12.5px;color:var(--text-3)}
.back-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:28px}

/* ============ 窄版 CTA ============ */
.cta-strip{margin-top:40px;border-radius:var(--r-xl);padding:34px 32px;
  background:linear-gradient(120deg,rgba(47,227,196,.16),rgba(18,50,74,.72) 55%,rgba(12,26,43,.9));
  border:1px solid rgba(47,227,196,.28);box-shadow:var(--sh-1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.cta-strip h2{font-size:clamp(1.25rem,1.05rem + .7vw,1.65rem);font-weight:700;color:#fff;margin-bottom:8px}
.cta-strip p{margin:0;font-size:14.5px;color:var(--text-2);max-width:560px}
.cta-strip .actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-950);border-top:1px solid var(--line);position:relative;padding:72px 0 30px}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.55),transparent)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.foot-desc{font-size:14px;color:var(--text-3);line-height:1.85;margin:18px 0 0;max-width:340px}
.foot-title{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-list li{font-size:14px;color:var(--text-3)}
.foot-list a{color:var(--text-2);font-size:14px}
.foot-list a:hover{color:var(--mint)}
.foot-bottom{margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3)}

/* ============ 响应式 ============ */
@media (min-width:768px){
  .article-card{padding:48px 44px}
  .pn-grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (min-width:992px){
  .related-grid{grid-template-columns:1.35fr 1fr 1fr}
  .rel-card.is-lead .rel-media{aspect-ratio:16/10}
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}
}
@media (min-width:1200px){
  .container{max-width:1180px}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px}
  .article-side{display:block;position:sticky;top:100px}
  .article-hero{padding:168px 0 78px;min-height:44vh}
}
@media (max-width:1199px){
  .article-side{display:none}
}
@media (max-width:991px){
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .header-actions .icon-link{display:none}
  .article-hero{padding:132px 0 56px}
}
@media (max-width:767px){
  body{font-size:16px}
  .article-card{padding:28px 22px;border-radius:var(--r-md)}
  .article-body{font-size:16px;line-height:1.88}
  .article-title{max-width:100%}
  .cta-strip{padding:26px 22px;border-radius:var(--r-lg)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-desc{max-width:100%}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .header-inner{height:60px}
  .logo-text b{font-size:15.5px}
  .logo-text i{font-size:10px}
  .article-hero{padding:112px 0 46px}
  .article-main{padding:44px 0 64px}
  .article-meta{gap:8px 12px}
  .article-meta .divider{display:none}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .cta-strip .actions{width:100%}
  .foot-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --ink-950:#050B14;
  --ink-900:#08111F;
  --ink-800:#0C1A2B;
  --ink-700:#122436;
  --ink-600:#12324A;
  --mint:#2FE3C4;
  --mint-soft:rgba(47,227,196,.12);
  --mint-line:rgba(47,227,196,.45);
  --amber:#F2B24C;
  --text:#E8F0F7;
  --text-2:#9DB0C4;
  --text-3:#6B8199;
  --line:rgba(255,255,255,.10);
  --card-line:rgba(255,255,255,.12);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --shadow:0 8px 24px rgba(3,8,18,.45);
  --shadow-hover:0 18px 46px rgba(3,8,18,.62);
  --glow:0 0 0 1px rgba(47,227,196,.45),0 10px 34px rgba(47,227,196,.28);
  --ease:cubic-bezier(.22,.61,.36,1);

  --bs-primary:#2FE3C4;
  --bs-body-bg:#08111F;
  --bs-body-color:#E8F0F7;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-border-radius:16px;
  --bs-link-color:#2FE3C4;
  --bs-link-hover-color:#7CF3DC;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-card-bg:rgba(255,255,255,.04);
  --bs-card-border-color:rgba(255,255,255,.12);
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(47,227,196,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 8%, rgba(18,50,74,.72), transparent 60%),
    linear-gradient(180deg,#08111F 0%,#0C1A2B 58%,#08111F 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:.55;
  mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--mint);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:#7CF3DC;}
h1,h2,h3,h4{letter-spacing:-.015em;line-height:1.28;margin:0;color:var(--text);font-weight:700;}
h1{font-size:clamp(2.1rem,1.3rem + 3.4vw,3.9rem);font-weight:800;line-height:1.22;}
h2{font-size:clamp(1.55rem,1.15rem + 1.6vw,2.35rem);}
h3{font-size:1.22rem;font-weight:600;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}

/* ===== 布局容器 ===== */
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
  position:relative;
  z-index:1;
}
.section{padding:96px 0;position:relative;z-index:1;}
.section-sm{padding:72px 0;position:relative;z-index:1;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--mint);
  background:var(--mint-soft);
  border:1px solid rgba(47,227,196,.28);
  border-radius:var(--r-sm);
  padding:4px 12px;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.sec-head p{color:var(--text-2);font-size:16px;margin:16px 0 0;}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:72px;
  display:flex;align-items:center;
  background:rgba(8,17,31,.42);
  -webkit-backdrop-filter:blur(12px) saturate(150%);
  backdrop-filter:blur(12px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 6px 22px rgba(3,8,18,.30);
  transition:height .26s var(--ease),background .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.site-header.is-stuck{
  height:64px;
  background:rgba(8,17,31,.90);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 12px 34px rgba(3,8,18,.55);
}
.header-inner{
  display:flex;align-items:center;gap:24px;width:100%;
  max-width:1180px;margin:0 auto;padding:0 20px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,rgba(47,227,196,.20),rgba(18,50,74,.78));
  border:1px solid rgba(47,227,196,.38);
  box-shadow:0 0 0 1px rgba(47,227,196,.10),0 8px 20px rgba(3,8,18,.42);
  position:relative;overflow:hidden;
}
.logo-mark span{font-size:13px;font-weight:800;color:var(--mint);letter-spacing:.04em;}
.logo-mark::after{
  content:"28";position:absolute;right:-4px;bottom:-8px;
  font-size:26px;font-weight:800;color:rgba(255,255,255,.08);letter-spacing:-.04em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text b{font-size:16px;font-weight:800;color:var(--text);letter-spacing:-.01em;}
.logo-text i{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:10px 14px;font-size:15px;color:var(--text-2);
  border-radius:var(--r-sm);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--mint);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  box-shadow:0 0 12px rgba(47,227,196,.75);
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.04);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;}
.nav-links a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;
  border-radius:999px;border:1px solid var(--card-line);
  background:rgba(255,255,255,.04);color:var(--text-2);
  transition:all .24s var(--ease);
}
.icon-btn:hover{color:#fff;border-color:var(--mint-line);background:rgba(47,227,196,.10);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;border:none;
  background:var(--mint);color:#04211C;font-weight:600;font-size:15px;
  box-shadow:var(--glow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease);
  white-space:nowrap;
}
.btn-glow:hover{color:#04211C;filter:brightness(1.06);transform:scale(.98);box-shadow:0 0 0 1px rgba(47,227,196,.6),0 14px 42px rgba(47,227,196,.36);}
.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  border:1px solid var(--card-line);
  background:rgba(255,255,255,.05);
  color:var(--text);font-weight:600;font-size:15px;
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  transition:all .24s var(--ease);
  white-space:nowrap;
}
.btn-glass:hover{color:#fff;border-color:var(--mint-line);background:rgba(47,227,196,.10);transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  border:1px solid var(--card-line);background:transparent;
  color:var(--text-2);font-weight:600;font-size:15px;
  transition:all .24s var(--ease);
}
.btn-ghost:hover{color:#fff;border-color:var(--mint-line);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{display:none;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:1040;
  background:rgba(5,11,20,.66);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:1050;
  background:rgba(12,26,43,.86);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-left:1px solid var(--card-line);
  padding:22px 20px 28px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover,.drawer-link.active{color:#fff;}
.drawer-link.active::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint);margin-right:8px;}

/* ===== Hero ===== */
.page-hero{
  position:relative;
  min-height:40vh;
  display:flex;align-items:center;
  padding:132px 0 60px;
  background-image:
    linear-gradient(100deg,rgba(5,11,20,.94) 0%,rgba(8,17,31,.82) 46%,rgba(12,26,43,.62) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(47,227,196,.14),transparent 68%);
  filter:blur(60px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:48px;align-items:center;position:relative;z-index:2;}
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--mint);}
.crumbs span{color:var(--text);}
.page-hero h1{margin-bottom:18px;}
.page-hero .lead{color:var(--text-2);font-size:17px;max-width:600px;margin:0 0 26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:5px 12px;border-radius:var(--r-sm);
  background:var(--mint-soft);color:var(--mint);
  border:1px solid rgba(47,227,196,.26);
}
.tag.amber{background:rgba(242,178,76,.12);color:var(--amber);border-color:rgba(242,178,76,.34);}
.hero-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--card-line);
  box-shadow:var(--shadow);
  aspect-ratio:16/10;
  position:relative;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,20,.06),rgba(5,11,20,.62));
}

/* ===== 通用卡片 ===== */
.glass{
  background:rgba(255,255,255,.045);
  border:1px solid var(--card-line);
  border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .glass{background:rgba(12,26,43,.86);}
  .site-header{background:rgba(8,17,31,.94);}
}
.glass:hover{transform:translateY(-5px);border-color:rgba(47,227,196,.30);box-shadow:var(--shadow-hover);}

/* ===== 图文交替模块 ===== */
.split-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  margin-bottom:88px;
}
.split-row:last-of-type{margin-bottom:0;}
.split-row.reverse .split-media{order:2;}
.split-row.reverse .split-copy{order:1;}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--card-line);box-shadow:var(--shadow);
  aspect-ratio:16/10;position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.split-media:hover img{transform:scale(1.04);}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(5,11,20,.05),rgba(5,11,20,.55));
  pointer-events:none;
}
.split-copy .kicker{
  font-size:13px;color:var(--mint);letter-spacing:.06em;margin-bottom:12px;display:block;
}
.split-copy h2{margin-bottom:18px;font-size:clamp(1.45rem,1.1rem + 1.2vw,2rem);}
.split-copy p{color:var(--text-2);}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15.5px;}
.check-list .ck{
  flex:0 0 20px;width:20px;height:20px;margin-top:5px;
  border-radius:50%;border:1.5px solid var(--mint-line);
  display:grid;place-items:center;color:var(--mint);
}
.check-list .ck svg{width:11px;height:11px;}
.check-list b{color:var(--text);font-weight:600;}

/* ===== 编号横向条 ===== */
.step-strip{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:44px 0;
}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.step-item{padding:0 26px;position:relative;}
.step-item + .step-item::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(47,227,196,.34),transparent);
}
.step-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:15px;letter-spacing:.10em;color:var(--mint);
  display:block;margin-bottom:12px;
}
.step-item h3{font-size:1.06rem;margin-bottom:8px;}
.step-item p{color:var(--text-3);font-size:14px;margin:0;line-height:1.75;}

/* ===== 席位说明条 ===== */
.seat-band{
  border-radius:var(--r-xl);
  border:1px solid var(--card-line);
  background:linear-gradient(120deg,rgba(255,255,255,.05),rgba(12,26,43,.55));
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  padding:34px 38px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
  box-shadow:var(--shadow);
  margin-top:72px;
}
.seat-cell h3{font-size:1.06rem;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.seat-cell h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 12px rgba(47,227,196,.9);}
.seat-cell p{color:var(--text-2);font-size:14.5px;margin:0;}
.seat-cell .price{
  display:block;margin-top:12px;font-size:14px;color:var(--amber);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border:1px solid var(--card-line);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.04);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:has(.accordion-button:not(.collapsed)){border-color:var(--mint-line);box-shadow:0 0 0 1px rgba(47,227,196,.18),var(--shadow);}
.faq-item .accordion-button{
  width:100%;display:flex;align-items:center;gap:16px;
  background:transparent;border:0;box-shadow:none;
  padding:20px 22px;color:var(--text);font-size:16px;font-weight:600;
  text-align:left;
}
.faq-item .accordion-button:not(.collapsed){color:#fff;background:rgba(47,227,196,.05);}
.faq-item .accordion-button:focus{box-shadow:none;}
.faq-item .accordion-button::after{display:none;}
.faq-idx{
  flex:0 0 auto;font-size:13px;color:var(--mint);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  border:1px solid rgba(47,227,196,.28);border-radius:var(--r-sm);
  padding:2px 8px;background:var(--mint-soft);
}
.faq-q{flex:1 1 auto;}
.faq-plus{flex:0 0 auto;width:16px;height:16px;position:relative;transition:transform .22s var(--ease);}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--mint);border-radius:2px;
}
.faq-plus::before{left:0;right:0;top:7px;height:2px;}
.faq-plus::after{top:0;bottom:0;left:7px;width:2px;}
.accordion-button:not(.collapsed) .faq-plus{transform:rotate(45deg);}
.faq-item .accordion-body{
  padding:0 22px 22px 62px;color:var(--text-2);font-size:15.5px;line-height:1.9;
}
.faq-a p:last-child{margin-bottom:0;}

/* ===== 窄版 CTA ===== */
.cta-band{
  border-radius:var(--r-xl);
  border:1px solid var(--card-line);
  background:
    radial-gradient(620px 260px at 8% 0%,rgba(47,227,196,.14),transparent 62%),
    linear-gradient(120deg,rgba(255,255,255,.06),rgba(12,26,43,.62));
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.4rem,1.1rem + 1.1vw,1.95rem);margin-bottom:12px;}
.cta-band p{color:var(--text-2);margin:0;font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:96px;
  background:var(--ink-950);
  border-top:1px solid var(--line);
  position:relative;
  z-index:1;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.55),transparent);
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.foot-desc{color:var(--text-3);font-size:14px;margin:18px 0 0;line-height:1.85;max-width:340px;}
.foot-title{font-size:14px;color:var(--text);font-weight:600;margin-bottom:16px;}
.foot-list li{margin-bottom:11px;}
.foot-list a,.foot-list li{color:var(--text-3);font-size:14px;}
.foot-list a:hover{color:var(--mint);}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  color:var(--text-3);font-size:13px;
}

/* ===== 响应式 ===== */
@media (max-width:1399.98px){
  .container{max-width:1120px;}
}
@media (max-width:1199.98px){
  .container{max-width:980px;}
  .split-row{gap:40px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:991.98px){
  .site-header{height:60px;}
  .site-header.is-stuck{height:58px;}
  .nav-links,.header-actions .btn-glow{display:none;}
  .nav-toggle{display:grid;}
  .header-actions{margin-left:auto;}
  .section{padding:72px 0;}
  .section-sm{padding:56px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:112px 0 52px;min-height:36vh;}
  .split-row{grid-template-columns:1fr;gap:28px;margin-bottom:64px;}
  .split-row.reverse .split-media,.split-row.reverse .split-copy{order:0;}
  .step-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .step-item:nth-child(odd)::before{display:none;}
  .step-item{padding:0 20px;}
  .step-item:nth-child(odd){padding-left:0;}
  .seat-band{grid-template-columns:1fr;gap:22px;padding:28px 26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85;}
  .section{padding:56px 0;}
  .section-sm{padding:48px 0;}
  .cta-band{padding:32px 24px;}
  .cta-actions{width:100%;flex-direction:column;}
  .faq-item .accordion-body{padding:0 20px 20px 20px;}
  .faq-item .accordion-button{padding:18px 18px;font-size:15.5px;gap:12px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .page-hero{padding:100px 0 44px;min-height:32vh;}
  .page-hero .lead{font-size:15.5px;}
  h3{font-size:1.1rem;}
  .step-grid{grid-template-columns:1fr;}
  .step-item{padding:0 !important;}
  .step-item + .step-item::before{display:none;}
  .step-item{border-top:1px solid var(--line);padding-top:22px !important;margin-top:22px;}
  .step-item:first-child{border-top:0;padding-top:0 !important;margin-top:0;}
  .btn-glow,.btn-glass,.btn-ghost{width:100%;}
  .cta-actions .btn-glass{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .hero-tags{gap:8px;}
  .tag{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bs-primary:#2FE3C4;
  --bs-body-bg:#08111F;
  --bs-body-color:#E8F0F7;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-border-radius:16px;
  --bs-link-color:#E8F0F7;
  --bs-link-hover-color:#2FE3C4;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-card-bg:rgba(255,255,255,.04);
  --bs-card-border-color:rgba(255,255,255,.12);

  --ink-950:#050B14;
  --ink-900:#08111F;
  --ink-800:#0C1A2B;
  --ink-700:#122436;
  --mint:#2FE3C4;
  --mint-soft:rgba(47,227,196,.12);
  --amber:#F2B24C;
  --text:#E8F0F7;
  --text-2:#9DB0C4;
  --text-3:#6B8199;
  --line:rgba(255,255,255,.10);
  --card-line:rgba(255,255,255,.12);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --sh:0 8px 24px rgba(3,8,18,.45);
  --sh-hover:0 18px 46px rgba(3,8,18,.62);
  --glow:0 0 0 1px rgba(47,227,196,.45),0 10px 34px rgba(47,227,196,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:110px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(47,227,196,.12),transparent 60%),
    radial-gradient(760px 480px at 92% 8%,rgba(18,50,74,.85),transparent 62%),
    linear-gradient(180deg,var(--ink-900) 0%,var(--ink-800) 48%,var(--ink-900) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  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:24px 24px;
  opacity:.5;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--mint);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0 0 .6em;letter-spacing:-.015em;line-height:1.26;font-weight:700;}
h1{font-size:clamp(2.1rem,1.3rem + 3.4vw,3.6rem);font-weight:800;}
h2{font-size:clamp(1.55rem,1.15rem + 1.6vw,2.35rem);}
h3{font-size:1.22rem;font-weight:600;}
p{margin:0 0 1.1em;color:var(--text-2);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(47,227,196,.3);}
.container,.container-lg{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media (min-width:1200px){.container,.container-lg{width:1180px;}}

/* ============ 按钮体系 ============ */
.btn-mint,.btn-glass,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;font-weight:600;font-size:.95rem;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
  white-space:nowrap;
}
.btn-mint{background:linear-gradient(180deg,#4bf0d3,#22cdb1);color:#052018;box-shadow:var(--glow);}
.btn-mint:hover{color:#052018;transform:translateY(-1px) scale(.99);box-shadow:0 0 0 1px rgba(47,227,196,.6),0 14px 40px rgba(47,227,196,.36);}
.btn-mint:active{transform:scale(.98);}
.btn-glass{background:rgba(255,255,255,.06);border:1px solid var(--card-line);color:var(--text);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);box-shadow:var(--sh);}
.btn-glass:hover{color:#fff;border-color:rgba(47,227,196,.4);background:rgba(255,255,255,.09);}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.22);color:var(--text-2);}
.btn-ghost:hover{color:var(--mint);border-color:rgba(47,227,196,.55);}
.btn-sm{height:38px;padding:0 18px;font-size:.88rem;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(8,17,31,.28);
  backdrop-filter:blur(12px) saturate(150%);
  -webkit-backdrop-filter:blur(12px) saturate(150%);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 22px rgba(3,8,18,.3);
  transition:background .28s var(--ease),box-shadow .28s var(--ease),height .28s var(--ease);
}
.site-header.is-stuck{background:rgba(8,17,31,.88);border-bottom-color:rgba(255,255,255,.14);box-shadow:0 12px 34px rgba(3,8,18,.6);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .28s var(--ease);}
.site-header.is-stuck .header-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  position:relative;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(160deg,#12324A,#0C1A2B);
  border:1px solid rgba(47,227,196,.35);
  box-shadow:0 6px 18px rgba(3,8,18,.5);
}
.logo-mark span{font-weight:800;font-size:.86rem;color:var(--mint);letter-spacing:.02em;}
.logo-mark::after{content:"28";position:absolute;right:-4px;bottom:-8px;font-size:.7rem;font-weight:700;color:rgba(47,227,196,.45);}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:1.02rem;font-weight:800;letter-spacing:-.01em;}
.logo-text i{font-style:normal;font-size:.7rem;color:var(--text-3);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:6px;margin:0 auto;}
.nav-links li a{
  position:relative;display:block;padding:8px 14px;border-radius:10px;font-size:.94rem;color:var(--text-2);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links li a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--mint);box-shadow:0 0 10px rgba(47,227,196,.8);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-links li a:hover{color:#fff;background:rgba(255,255,255,.04);}
.nav-links li a:hover::after{transform:scaleX(1);}
.nav-links li a.active{color:#fff;}
.nav-links li a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--card-line);background:rgba(255,255,255,.04);color:var(--text-2);
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.icon-btn:hover{color:var(--mint);border-color:rgba(47,227,196,.45);background:rgba(47,227,196,.08);}
.menu-btn{display:none;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:1060;
  background:rgba(9,19,33,.92);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-left:1px solid var(--card-line);
  padding:22px 22px 28px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);transition:transform .32s var(--ease);
  box-shadow:-18px 0 50px rgba(3,8,18,.6);
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-top:6px;}
.drawer-list a{padding:12px 14px;border-radius:12px;color:var(--text-2);border:1px solid transparent;}
.drawer-list a:hover,.drawer-list a.active{color:#fff;background:rgba(255,255,255,.05);border-color:var(--card-line);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.backdrop{position:fixed;inset:0;background:rgba(3,8,18,.62);z-index:1050;opacity:0;pointer-events:none;transition:opacity .28s var(--ease);}
.backdrop.show{opacity:1;pointer-events:auto;}

/* ============ Hero ============ */
.hero{
  position:relative;padding:132px 0 72px;min-height:400px;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(5,11,20,.94) 6%,rgba(8,17,31,.78) 48%,rgba(12,26,43,.6) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{content:"";position:absolute;left:-120px;top:-60px;width:520px;height:420px;border-radius:50%;background:rgba(47,227,196,.10);filter:blur(120px);pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--mint);}
.crumb .sep{color:rgba(255,255,255,.24);}
.crumb .now{color:var(--text);}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{color:var(--mint);}
.hero-lead{font-size:1.02rem;max-width:620px;color:var(--text-2);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-sm);font-size:12.5px;background:var(--mint-soft);color:var(--mint);border:1px solid rgba(47,227,196,.22);}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-card{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--card-line);
  background:rgba(255,255,255,.05);box-shadow:var(--sh-hover);
  backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);
}
.hero-card .thumb{aspect-ratio:4/3;overflow:hidden;position:relative;}
.hero-card .thumb img{width:100%;height:100%;object-fit:cover;}
.hero-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,11,20,0) 40%,rgba(5,11,20,.72) 100%);}
.hero-card .meta{padding:18px 22px 22px;display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.hero-card .meta div{border-left:2px solid rgba(47,227,196,.5);padding-left:12px;}
.hero-card .meta b{display:block;font-size:1.15rem;color:var(--text);font-weight:700;}
.hero-card .meta span{font-size:12.5px;color:var(--text-3);}

/* ============ 通用板块 ============ */
section{position:relative;}
.sec{padding:var(--sec) 0;}
.sec-sm{padding:72px 0;}
.sec-head{max-width:780px;margin-bottom:44px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;color:var(--mint);margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--mint);}
.sec-head p{font-size:1rem;}
.divider{height:1px;background:linear-gradient(90deg,rgba(47,227,196,0),rgba(47,227,196,.4),rgba(255,255,255,.06));}

/* ============ 胶囊切换条 ============ */
.pill-bar{display:flex;flex-wrap:wrap;gap:10px;padding:10px;border-radius:999px;
  border:1px solid var(--card-line);background:rgba(255,255,255,.04);
  backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);}
.pill-bar a{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;font-size:.9rem;color:var(--text-2);border:1px solid transparent;transition:all .24s var(--ease);}
.pill-bar a:hover{color:#fff;background:rgba(255,255,255,.06);border-color:var(--card-line);}
.pill-bar a.on{background:rgba(47,227,196,.14);border-color:rgba(47,227,196,.4);color:var(--mint);}

/* ============ 不等宽服务卡网格 ============ */
.svc-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.svc-card{
  border-radius:var(--r-lg);border:1px solid var(--card-line);background:rgba(255,255,255,.045);
  backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);
  padding:26px;box-shadow:var(--sh);position:relative;overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.svc-card:hover{transform:translateY(-5px);border-color:rgba(47,227,196,.3);box-shadow:var(--sh-hover);}
.svc-card .num{font-size:.78rem;color:var(--text-3);letter-spacing:.16em;display:block;margin-bottom:12px;}
.svc-card h3{margin-bottom:12px;}
.svc-card .points{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.svc-card .points li{display:flex;gap:10px;font-size:.94rem;color:var(--text-2);}
.svc-card .points li::before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:50%;
  border:1.5px solid var(--mint);background:radial-gradient(circle,rgba(47,227,196,.5) 0 34%,transparent 36%);}
.svc-card.wide{background:linear-gradient(140deg,rgba(18,50,74,.5),rgba(255,255,255,.035));}

/* ============ 对比清单 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{border-radius:var(--r-lg);border:1px solid var(--card-line);background:rgba(255,255,255,.035);padding:26px;}
.compare-col.reco{border-color:rgba(242,178,76,.45);box-shadow:0 0 0 1px rgba(242,178,76,.28),0 12px 34px rgba(242,178,76,.14);}
.compare-col h3{display:flex;align-items:center;gap:10px;}
.badge-amber{display:inline-flex;padding:4px 10px;border-radius:var(--r-sm);font-size:12px;background:rgba(242,178,76,.16);color:var(--amber);border:1px solid rgba(242,178,76,.35);}
.badge-mint{display:inline-flex;padding:4px 10px;border-radius:var(--r-sm);font-size:12px;background:var(--mint-soft);color:var(--mint);border:1px solid rgba(47,227,196,.25);}
.rowlist{margin-top:18px;display:flex;flex-direction:column;}
.rowlist li{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.09);font-size:.95rem;color:var(--text-2);}
.rowlist li:last-child{border-bottom:0;}
.ico{flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--mint);color:var(--mint);margin-top:4px;}
.ico svg{width:12px;height:12px;}
.ico.no{border-color:rgba(255,255,255,.22);color:var(--text-3);}

/* ============ 编号横向条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.step{padding:28px 22px;border-right:1px solid var(--line);transition:background .24s var(--ease);}
.step:last-child{border-right:0;}
.step:hover{background:rgba(47,227,196,.05);}
.step .idx{font-size:.82rem;letter-spacing:.16em;color:var(--mint);font-weight:700;}
.step h3{font-size:1.05rem;margin:12px 0 8px;}
.step p{font-size:.9rem;margin:0;}

/* ============ 场景错位双列 ============ */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.scene + .scene{margin-top:64px;}
.scene.rev .scene-media{order:2;}
.scene-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--card-line);box-shadow:var(--sh);aspect-ratio:16/10;}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-body h3{font-size:1.35rem;}
.scene-body .points{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.scene-body .points li{display:flex;gap:10px;font-size:.95rem;color:var(--text-2);}
.scene-body .points li::before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:50%;
  border:1.5px solid var(--mint);background:radial-gradient(circle,rgba(47,227,196,.5) 0 34%,transparent 36%);}

/* ============ 继续了解入口 ============ */
.entry-grid{display:grid;grid-template-columns:6fr 3fr 3fr;gap:24px;}
.entry{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--card-line);background:rgba(255,255,255,.04);box-shadow:var(--sh);display:flex;flex-direction:column;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);}
.entry:hover{transform:translateY(-5px);border-color:rgba(47,227,196,.3);box-shadow:var(--sh-hover);}
.entry .pic{aspect-ratio:16/9;overflow:hidden;}
.entry .pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.entry:hover .pic img{transform:scale(1.04);}
.entry .txt{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry .txt h3{font-size:1.1rem;margin:0;}
.entry .txt p{font-size:.92rem;margin:0;}
.entry .txt .more{margin-top:auto;font-size:.9rem;color:var(--mint);}

/* ============ CTA 条 ============ */
.cta-band{
  border-radius:var(--r-xl);border:1px solid var(--card-line);
  background:linear-gradient(120deg,rgba(18,50,74,.66),rgba(47,227,196,.10));
  backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);
  padding:38px;display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:center;box-shadow:var(--sh-hover);
}
.cta-band h2{margin-bottom:12px;font-size:clamp(1.4rem,1.05rem + 1.2vw,2rem);}
.cta-band .acts{display:flex;flex-direction:column;gap:12px;}
.cta-note{font-size:.86rem;color:var(--text-3);}

/* ============ 页脚 ============ */
.site-footer{margin-top:0;background:var(--ink-950);border-top:1px solid transparent;border-image:linear-gradient(90deg,rgba(47,227,196,0),rgba(47,227,196,.45),rgba(47,227,196,0)) 1;position:relative;z-index:1;padding:64px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.foot-desc{font-size:.92rem;color:var(--text-3);margin-top:16px;max-width:340px;}
.foot-title{font-size:.82rem;letter-spacing:.14em;color:var(--text-3);margin-bottom:16px;}
.foot-list li{font-size:.93rem;color:var(--text-2);padding:6px 0;}
.foot-list li a{color:var(--text-2);}
.foot-list li a:hover{color:var(--mint);}
.foot-bottom{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);}

@media (max-width:1199px){
  :root{--sec:88px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .entry-grid{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .nav-links,.header-actions .btn-mint{display:none;}
  .menu-btn{display:grid;}
  .svc-grid{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .step{border-right:0;border-bottom:1px solid var(--line);}
  .scene,.scene.rev{grid-template-columns:1fr;gap:24px;}
  .scene.rev .scene-media{order:0;}
  .cta-band{grid-template-columns:1fr;}
}
@media (max-width:575px){
  :root{--sec:56px;}
  body{font-size:15.5px;}
  .container,.container-lg{padding:0 16px;}
  .header-inner{height:60px;gap:12px;}
  .logo-text i{display:none;}
  .hero{padding:104px 0 52px;}
  .hero-card .meta{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .btn-mint,.btn-glass,.btn-ghost{width:100%;height:48px;}
  .hero-cta .btn-mint,.hero-cta .btn-glass{width:100%;}
  .pill-bar{border-radius:var(--r-lg);}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important;transition:none !important;}
}