/* roulang page: index */
:root{
  --c-bg:#080D12; --c-bg-2:#0E161D;
  --c-line:rgba(255,255,255,.08); --c-line-2:rgba(255,255,255,.14);
  --c-primary:#2F7DE1; --c-primary-deep:#0F3B6E;
  --c-accent:#FF7A29; --c-accent-2:#35E0C8;
  --c-text:#E9EFF4; --c-text-2:#A6B6C2; --c-text-3:#6C7D8A;
  --c-warn:#FFC24B;
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:28px; --r-pill:999px;
  --sh-card:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px rgba(0,0,0,.35);
  --sh-pop:0 24px 60px rgba(0,0,0,.5);
  --glow-accent:0 0 0 1px rgba(255,122,41,.45), 0 10px 28px rgba(255,122,41,.28);
  --glow-primary:0 0 0 1px rgba(47,125,225,.45), 0 10px 28px rgba(47,125,225,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.9;text-align:left;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1280px){.container{padding:0 32px}}
.section{padding:48px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-alt{background:var(--c-bg-2)}
.mono{font-family:Inter,"DIN Alternate",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--c-accent);
  text-transform:uppercase;margin-bottom:12px;
}
.h1{font-size:clamp(30px,4.4vw,58px);line-height:1.15;letter-spacing:-.02em;font-weight:800}
.h2{font-size:clamp(22px,2.8vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.h3{font-size:20px;line-height:1.4;font-weight:600}
.h4{font-size:17px;line-height:1.5;font-weight:600}
.lead{font-size:17px;line-height:1.85;color:var(--c-text-2)}
.muted{color:var(--c-text-2)}
.dim{color:var(--c-text-3)}
.rule{height:1px;background:var(--c-line);border:0}
/* ---------- announcement ---------- */
.announce{background:#0B1116;border-bottom:1px solid var(--c-line)}
.announce-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;font-size:12.5px;color:var(--c-text-2)}
.announce-left{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.announce-left i{color:var(--c-accent)}
.announce-link{color:var(--c-primary);white-space:nowrap}
.announce-link:hover{color:var(--c-accent)}
@media(max-width:640px){.announce-left{display:none}.announce-inner{justify-content:flex-end}}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(8,13,18,.72);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);transition:background .24s ease}
.site-header.is-scrolled{background:rgba(8,13,18,.92)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  width:36px;height:36px;flex:none;border:1.5px solid var(--c-primary);border-radius:8px;
  position:relative;background:linear-gradient(135deg,rgba(47,125,225,.22),rgba(255,122,41,.12));
}
.brand-mark::after{content:"";position:absolute;right:6px;top:6px;width:7px;height:7px;background:var(--c-accent);border-radius:2px}
.brand-mark::before{content:"";position:absolute;left:6px;bottom:6px;width:14px;height:1.5px;background:var(--c-primary)}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.brand-sub{font-size:10.5px;letter-spacing:.14em;color:var(--c-text-3);line-height:1.3}
.primary-nav{display:none}
@media(min-width:1024px){.primary-nav{display:flex;align-items:center;gap:4px}}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;height:72px;padding:0 14px;
  font-size:15px;color:var(--c-text-2);position:relative;transition:color .2s ease;
}
.nav-link:hover{color:var(--c-text)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--c-primary);transform:scaleX(0);transition:transform .22s ease;border-radius:3px}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-text)}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px}
.login-link{display:none;font-size:14px;color:var(--c-text-2);padding:10px 12px}
.login-link:hover{color:var(--c-primary)}
@media(min-width:768px){.login-link{display:inline-block}}
/* ---------- mega ---------- */
.mega-panel{
  position:absolute;left:50%;top:calc(100% + 12px);width:min(860px,88vw);
  transform:translateX(-50%) translateY(10px);
  opacity:0;visibility:hidden;transition:opacity .14s ease,transform .2s ease,visibility .14s;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(12px) saturate(120%);
  border:1px solid var(--c-line-2);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-pop);
  display:none;z-index:70;
}
@media(min-width:1024px){.mega-panel{display:block}}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:24px}
.mega-title{font-size:12px;letter-spacing:.12em;color:var(--c-text-3);margin-bottom:10px}
.mega-link{
  display:flex;align-items:center;height:40px;padding:0 10px;font-size:14px;color:var(--c-text-2);
  border-left:2px solid transparent;border-radius:6px;transition:all .18s ease;
}
.mega-link:hover{background:rgba(255,255,255,.05);border-left-color:var(--c-primary);color:var(--c-text)}
.mega-card{display:block;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;background:rgba(8,13,18,.6)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .24s ease}
.mega-card:hover img{transform:scale(1.04)}
.mega-card-body{padding:12px 14px}
.mega-card-body strong{display:block;font-size:14px;font-weight:600}
.mega-card-body span{display:block;font-size:12px;color:var(--c-text-3);line-height:1.6;margin-top:2px}
/* ---------- mobile nav ---------- */
.nav-toggle{display:none}
.nav-burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--c-line-2);border-radius:12px;cursor:pointer;color:var(--c-text)}
@media(min-width:1024px){.nav-burger{display:none}}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:380px;background:#0A1015;border-left:1px solid var(--c-line-2);
  transform:translateX(102%);transition:transform .26s cubic-bezier(.2,.7,.3,1);z-index:120;padding:24px 20px;overflow-y:auto;
}
.nav-toggle:checked ~ .drawer{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:.24s;z-index:110}
.nav-toggle:checked ~ .drawer-mask{opacity:1;visibility:visible}
.drawer-link{display:block;padding:14px 4px;border-bottom:1px solid var(--c-line);font-size:16px}
.drawer-link:hover{color:var(--c-primary)}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;
  padding:12px 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s cubic-bezier(.2,.7,.3,1);white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#0B0F14;box-shadow:var(--glow-accent)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,122,41,.6),0 14px 34px rgba(255,122,41,.36)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.02);border-color:var(--c-line-2);color:var(--c-primary)}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(47,125,225,.12)}
.btn-outline{background:transparent;border-color:var(--c-line-2);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px;
}
.btn[disabled]{opacity:.45;box-shadow:none;pointer-events:none}
.link-arrow{font-size:14px;color:var(--c-primary);transition:all .18s ease}
.link-arrow:hover{color:var(--c-accent);transform:translateX(2px)}
.text-btn{font-size:14px;color:var(--c-primary);border-bottom:1px solid transparent;transition:all .18s ease}
.text-btn:hover{border-bottom-color:var(--c-primary)}
/* ---------- badges / cards ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;padding:4px 10px;border-radius:var(--r-pill);border:1px solid rgba(47,125,225,.35);background:rgba(47,125,225,.12);color:#8FBEF5}
.badge-ember{border-color:rgba(255,122,41,.4);background:rgba(255,122,41,.13);color:#FFB37C}
.badge-aqua{border-color:rgba(53,224,200,.35);background:rgba(53,224,200,.12);color:#7CEBDB}
.card{background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);transition:transform .22s cubic-bezier(.2,.7,.3,1),border-color .22s ease,box-shadow .22s ease}
.card:hover{transform:translateY(-4px);border-color:var(--c-line-2);box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 40px rgba(0,0,0,.45)}
.card-img{overflow:hidden;border-radius:var(--r-md);position:relative}
.card-img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .24s ease}
.card:hover .card-img img{transform:scale(1.04)}
.glass{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(12px) saturate(120%);
  border:1px solid var(--c-line-2);border-radius:var(--r-lg);box-shadow:var(--sh-card);
}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.18}
.hero-veil{position:absolute;inset:0;background:linear-gradient(118deg,rgba(8,13,18,.96) 0%,rgba(8,13,18,.78) 42%,rgba(8,13,18,.34) 100%)}
.hero-grid{position:absolute;inset:0;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:48px 48px}
.hero-blob{position:absolute;width:220px;height:220px;border-radius:999px;background:var(--c-accent);filter:blur(80px);opacity:.18;right:14%;top:16%}
.hero-inner{position:relative;padding:56px 0 64px;display:grid;gap:40px}
@media(min-width:1024px){.hero-inner{padding:72px 0 88px;grid-template-columns:7fr 5fr;gap:48px;min-height:min(88vh,760px);align-content:center;align-items:center}}
.trust{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px}
.trust-num{font-size:24px;font-weight:800}
.tick{background:rgba(255,255,255,.04);border:1px solid var(--c-line);border-radius:var(--r-sm);padding:10px 6px;text-align:center}
.tick-num{display:block;font-size:26px;font-weight:800;line-height:1.2;color:var(--c-text)}
.tick-label{display:block;font-size:11px;color:var(--c-text-3);letter-spacing:.08em}
.progress-track{height:8px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden;position:relative}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-primary),#5AA0EF);position:relative}
.progress-fill::after{content:"";position:absolute;right:-3px;top:1px;width:6px;height:6px;border-radius:999px;background:var(--c-accent)}
/* ---------- stats strip ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
@media(min-width:768px){.stats{grid-template-columns:repeat(5,1fr)}}
.stat{padding:24px 12px;border-right:1px solid var(--c-line)}
.stat:last-child{border-right:0}
.stat-num{font-size:28px;font-weight:800;line-height:1.2}
.stat-label{font-size:12px;color:var(--c-text-3);letter-spacing:.06em;margin-top:4px}
/* ---------- chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;min-height:40px;padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);font-size:14px;color:var(--c-text-2);background:rgba(255,255,255,.02);transition:all .2s ease}
.chip:hover{border-color:var(--c-line-2);color:var(--c-text)}
.chip.is-active{border-color:rgba(255,122,41,.55);background:rgba(255,122,41,.12);color:#FFB37C}
/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:36px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--c-line)}
.tl-item{position:relative;padding-left:36px;padding-bottom:18px}
.tl-dot{position:absolute;left:0;top:22px;width:15px;height:15px;border-radius:999px;border:2px solid var(--c-text-3);background:var(--c-bg)}
.tl-item.is-live .tl-dot{border-color:var(--c-accent);background:var(--c-accent);box-shadow:0 0 0 6px rgba(255,122,41,.18)}
.tl-card{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:flex-start;justify-content:space-between;background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px 20px;transition:all .22s ease}
.tl-card:hover{border-color:var(--c-line-2);transform:translateY(-3px)}
.tl-time{font-size:14px;color:var(--c-accent);letter-spacing:.02em;flex:none;min-width:104px}
/* ---------- highlight ---------- */
.hl-item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--c-line);align-items:flex-start}
.hl-item:last-child{border-bottom:0}
.hl-num{font-size:44px;font-weight:800;line-height:1;color:var(--c-accent);flex:none;letter-spacing:-.03em}
/* ---------- speakers ---------- */
.speaker{background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:all .22s cubic-bezier(.2,.7,.3,1)}
.speaker:hover{border-color:var(--c-line-2);transform:translateY(-4px)}
.speaker-photo{overflow:hidden}
.speaker-photo img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .24s ease}
.speaker:hover .speaker-photo img{transform:scale(1.04)}
/* ---------- tickets ---------- */
.ticket{position:relative;background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 22px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--sh-card);transition:all .22s ease}
.ticket:hover{transform:translateY(-4px);border-color:var(--c-line-2)}
.ticket.featured{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));backdrop-filter:blur(12px) saturate(120%);border-color:rgba(255,122,41,.4)}
@media(min-width:1024px){.ticket.featured{transform:translateY(-8px)}.ticket.featured:hover{transform:translateY(-12px)}}
.ticket.featured::before{content:"";position:absolute;left:22px;right:22px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent)}
.ticket-price{font-size:36px;font-weight:800;line-height:1;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.perk{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;min-height:32px}
.perk i{color:var(--c-accent-2);margin-top:5px;font-size:13px;flex:none}
.perk.off{color:var(--c-text-3)}
.perk.off i{color:var(--c-text-3)}
/* ---------- form ---------- */
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;color:var(--c-text-2)}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--c-line-2);border-radius:12px;
  padding:14px;color:var(--c-text);appearance:none;-webkit-appearance:none;transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,125,225,.2);outline:none}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23A6B6C2' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:40px;
}
.field .hint{font-size:12px;color:var(--c-text-3)}
.field .err{font-size:12px;color:#FF8F6B;display:none}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-text-2);line-height:1.7}
.check input{width:18px;height:18px;flex:none;margin-top:5px;accent-color:var(--c-primary)}
/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-icon{position:relative;width:16px;height:16px;flex:none;transition:transform .24s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);transition:all .24s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:1.5px}
.faq-icon::after{left:7px;top:0;width:1.5px;height:16px}
details[open] .faq-icon{transform:rotate(180deg)}
details[open] .faq-icon::after{opacity:0}
details[open] .faq-icon::before{background:var(--c-accent)}
.faq-a{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:800px}
/* ---------- cta bar ---------- */
.cta-bar{position:relative;overflow:hidden;border-radius:var(--r-xl);border:1px solid var(--c-line-2);background:linear-gradient(100deg,#0B2748,#0F3B6E 55%,#123A63);padding:32px}
.cta-bar::after{content:"";position:absolute;inset:0;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:48px 48px;pointer-events:none}
.cta-bar-inner{position:relative;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
/* ---------- empty ---------- */
.empty{display:flex;flex-direction:column;align-items:center;gap:14px;padding:48px 20px;border:1px dashed var(--c-line-2);border-radius:var(--r-lg);text-align:center}
.empty i{font-size:44px;color:rgba(47,125,225,.4)}
/* ---------- footer ---------- */
.site-footer{background:#070C11;border-top:1px solid var(--c-line);margin-top:0}
.footer-grid{display:grid;gap:32px;padding:56px 0 40px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-title{font-size:13px;letter-spacing:.12em;color:var(--c-text-3);margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:var(--c-text-2);line-height:36px;transition:all .18s ease}
.footer-link:hover{color:var(--c-primary);transform:translateX(-2px)}
.footer-bottom{border-top:1px solid var(--c-line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--c-text-3)}
.footer-bottom a:hover{color:var(--c-primary)}
/* ---------- reveal ---------- */
@media(prefers-reduced-motion:no-preference){
  .reveal{animation:fadeUp .6s cubic-bezier(.2,.7,.3,1) both}
}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --c-bg:#0A0E12;
  --c-bg-2:#101720;
  --c-bg-3:#0D141C;
  --c-line:rgba(255,255,255,.08);
  --c-line-2:rgba(255,255,255,.16);
  --c-primary:#3E7BC4;
  --c-primary-deep:#123A69;
  --c-accent:#E4742A;
  --c-accent-2:#4FD1B8;
  --c-text:#E9EFF4;
  --c-text-2:#A6B6C2;
  --c-text-3:#6C7D8A;
  --c-warn:#FFC24B;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:26px;
  --r-pill:999px;
  --sh:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px rgba(0,0,0,.35);
  --sh-lg:0 24px 60px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-num:"Inter","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3}
p{margin:0}
::selection{background:rgba(228,116,42,.35)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{padding:0 32px}}

.mono{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.dim{color:var(--c-text-2)}
.weak{color:var(--c-text-3)}

/* ---------- 顶部公告条 ---------- */
.topbar{background:#070C11;border-bottom:1px solid var(--c-line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;font-size:13px;color:var(--c-text-2)}
.topbar-inner i{color:var(--c-accent);margin-right:6px}
.topbar-link{color:var(--c-primary);border-bottom:1px dotted currentColor}
.topbar-link:hover{color:#7FB0E8;border-bottom-style:solid}
@media (max-width:640px){.topbar-text{display:none}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,18,.72);
  backdrop-filter:blur(10px) saturate(120%);
  border-bottom:1px solid var(--c-line);
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header.is-stuck{background:rgba(10,14,18,.92);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:9px;position:relative;flex:0 0 auto;
  background:linear-gradient(150deg,rgba(62,123,196,.35),rgba(10,14,18,.2));
  border:1px solid var(--c-line-2);
}
.brand-mark::before{
  content:"";position:absolute;inset:6px;
  background:linear-gradient(140deg,var(--c-primary),#1B3F6B);
  clip-path:polygon(0 0,100% 18%,72% 100%,10% 78%);
}
.brand-mark::after{
  content:"";position:absolute;right:5px;top:5px;width:7px;height:7px;border-radius:2px;background:var(--c-accent);
}
.brand-name{display:block;font-size:16px;font-weight:700;letter-spacing:.01em;line-height:1.2}
.brand-sub{display:block;font-size:11px;letter-spacing:.16em;color:var(--c-text-3);line-height:1.5}

.primary-nav{display:none;align-items:center;gap:4px;margin-left:auto}
@media (min-width:1024px){.primary-nav{display:flex}}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--c-text-2);
  transition:color 200ms var(--ease),background 200ms var(--ease);
}
.nav-link:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--c-text);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:2px;background:var(--c-primary);
}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:760px;
  padding:26px;border-radius:var(--r-xl);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--c-line-2);
  box-shadow:var(--sh-lg);
  backdrop-filter:blur(12px) saturate(120%);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity 160ms var(--ease),transform 160ms var(--ease),visibility 160ms;
}
.nav-item:hover .mega-panel,
.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.35fr;gap:26px}
.mega-title{font-size:12px;letter-spacing:.16em;color:var(--c-text-3);margin-bottom:10px}
.mega-link{
  display:block;line-height:40px;padding:0 10px;border-radius:8px;font-size:14px;color:var(--c-text-2);
  border-left:2px solid transparent;transition:all 180ms var(--ease);
}
.mega-link:hover{color:var(--c-text);background:rgba(255,255,255,.05);border-left-color:var(--c-primary)}
.mega-card{display:block;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);background:var(--c-bg-2);transition:all 220ms var(--ease)}
.mega-card:hover{border-color:var(--c-line-2);transform:translateY(-2px)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card-body{display:block;padding:12px 14px}
.mega-card-body strong{display:block;font-size:14px;margin-bottom:4px}
.mega-card-body span{font-size:12px;color:var(--c-text-3)}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.header-actions{margin-left:0}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  color:var(--c-text-2);cursor:pointer;
}
.nav-toggle:hover{color:var(--c-text);border-color:var(--c-line-2)}
@media (min-width:1024px){.nav-toggle{display:none}}

/* 移动抽屉 */
.drawer-check{display:none}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:380px;z-index:90;
  background:#0B1118;border-left:1px solid var(--c-line-2);
  transform:translateX(100%);transition:transform 240ms var(--ease);
  padding:24px;overflow-y:auto;
}
.drawer-check:checked ~ .nav-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:var(--r-sm);cursor:pointer}
.drawer-link{display:block;padding:14px 4px;border-bottom:1px solid var(--c-line);font-size:16px;color:var(--c-text-2)}
.drawer-link.active{color:var(--c-accent)}
.drawer-sub{padding:8px 4px 8px 16px;font-size:14px;color:var(--c-text-3);display:block}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all 200ms var(--ease);
}
.btn-primary{
  background:var(--c-accent);color:#140A03;
  box-shadow:0 0 0 1px rgba(228,116,42,.45),0 10px 28px rgba(228,116,42,.26);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(228,116,42,.6),0 14px 34px rgba(228,116,42,.34)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:transparent;border-color:var(--c-line-2);color:var(--c-primary)}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(62,123,196,.12);color:#8FB9EA}
.btn-outline{background:transparent;border-color:var(--c-line-2);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-line-2);background:rgba(255,255,255,.06);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.link-text{color:var(--c-primary);border-bottom:1px dotted currentColor;font-size:14px}
.link-text:hover{border-bottom-style:solid;background:rgba(62,123,196,.1)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--c-line);
  background-image:linear-gradient(180deg,rgba(10,14,18,.86),rgba(10,14,18,.97)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;width:220px;height:220px;right:8%;top:-40px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,116,42,.18),transparent 70%);filter:blur(40px);pointer-events:none;
}
.article-hero-inner{position:relative;z-index:2;padding:44px 0 52px}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-text-3);line-height:40px}
.crumbs a{color:var(--c-text-2);transition:color 180ms var(--ease)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:var(--c-text-3);opacity:.6}
.crumbs .current{color:var(--c-text-3);max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.06em;
  background:rgba(62,123,196,.14);border:1px solid rgba(62,123,196,.38);color:#9CC3EE;
}
.badge-accent{background:rgba(228,116,42,.14);border-color:rgba(228,116,42,.4);color:#F2A46C}
.article-title{
  margin:18px 0 0;font-size:clamp(26px,3.6vw,42px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
  max-width:20ch;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:20px;font-size:13px;color:var(--c-text-2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-text-3);display:inline-block}

/* ---------- 主图 ---------- */
.cover-wrap{margin-top:-28px;position:relative;z-index:3}
.cover-figure{margin:0}
.cover-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--c-line);box-shadow:var(--sh)}
.cover-figure figcaption{margin-top:10px;text-align:center;font-size:12px;color:var(--c-text-3)}

/* ---------- 文章布局 ---------- */
.article-section{padding:56px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
@media (min-width:1100px){
  .article-layout{grid-template-columns:minmax(0,780px) 240px;justify-content:center;gap:56px}
}
.article-main{min-width:0}

/* 正文排版 */
.article-body{font-size:16px;line-height:1.9;color:#DCE5EC}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:1.2em 0}
.article-body h2{
  position:relative;font-size:22px;font-weight:700;color:var(--c-text);
  margin:40px 0 16px;padding-left:14px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:20px;border-radius:2px;background:var(--c-accent);
}
.article-body h3{font-size:18px;font-weight:600;color:var(--c-text);margin:28px 0 12px}
.article-body h4{font-size:16px;font-weight:600;color:var(--c-text);margin:22px 0 10px}
.article-body a{color:var(--c-primary);border-bottom:1px dotted currentColor}
.article-body a:hover{border-bottom-style:solid;background:rgba(62,123,196,.12)}
.article-body strong{color:#FFFFFF;font-weight:600}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:22px}
.article-body ul li,.article-body ol li{margin:.5em 0;line-height:1.9}
.article-body ul li::marker{content:"■ ";color:var(--c-accent);font-size:10px}
.article-body ol li::marker{color:var(--c-accent);font-family:var(--font-num)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--c-primary);
  background:rgba(62,123,196,.07);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;color:var(--c-text-2);font-style:normal;
}
.article-body blockquote p{margin:.4em 0}
.article-body img{border-radius:14px;margin:22px 0;border:1px solid var(--c-line)}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:8px;text-align:center;font-size:12px;color:var(--c-text-3)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th{
  text-align:left;padding:12px 14px;font-size:13px;letter-spacing:.04em;
  color:var(--c-text-2);border-bottom:1px solid var(--c-line-2);font-weight:600;
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line)}
.article-body tr:hover td{background:rgba(255,255,255,.03)}
.article-body pre{
  overflow-x:auto;padding:16px 18px;border-radius:var(--r-md);
  background:#070C11;border:1px solid var(--c-line);font-size:14px;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* 标签与操作行 */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--c-line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;color:var(--c-text-2);
  border:1px solid var(--c-line);background:rgba(255,255,255,.03);
}
.tag:hover{border-color:var(--c-line-2);color:var(--c-text)}

/* 目录侧栏 */
.article-aside{display:none}
@media (min-width:1100px){
  .article-aside{display:block;position:sticky;top:96px;align-self:start}
}
.toc-card{
  border:1px solid var(--c-line);background:var(--c-bg-2);border-radius:var(--r-lg);
  padding:20px 18px;box-shadow:var(--sh);
}
.toc-title{font-size:12px;letter-spacing:.16em;color:var(--c-text-3);margin-bottom:12px}
.toc-link{
  display:block;padding:8px 10px;border-radius:8px;font-size:13px;line-height:1.6;
  color:var(--c-text-2);border-left:2px solid transparent;
  transition:all 180ms var(--ease);
}
.toc-link:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.toc-link.is-active{color:var(--c-text);border-left-color:var(--c-accent);background:rgba(255,255,255,.05)}
.toc-sub{padding-left:22px;font-size:12.5px;color:var(--c-text-3)}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;border:1px dashed var(--c-line-2);border-radius:var(--r-lg);text-align:center;
  background:var(--c-bg-2);
}
.empty-state i{font-size:64px;color:rgba(62,123,196,.4)}
.empty-state p{font-size:14px;color:var(--c-text-2)}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0;border-top:1px solid var(--c-line);background:var(--c-bg-3)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h3{font-size:22px;font-weight:700}
.section-head p{font-size:14px;color:var(--c-text-3);margin-top:6px}
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh);transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:var(--c-line-2)}
.post-card .thumb{overflow:hidden}
.post-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 420ms var(--ease)}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h4{font-size:16px;line-height:1.5;font-weight:600}
.post-card .excerpt{font-size:13.5px;color:var(--c-text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-3)}
.post-card .foot i{transition:transform 220ms var(--ease)}
.post-card:hover .foot i{transform:translateX(4px);color:var(--c-accent)}

/* ---------- 返回与 CTA ---------- */
.back-row{padding:0 0 56px}
.cta-strip{
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  background:linear-gradient(120deg,rgba(18,58,105,.55),rgba(10,14,18,.95)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-strip-inner{display:flex;flex-direction:column;gap:18px;padding:34px 0;align-items:flex-start}
@media (min-width:900px){.cta-strip-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 0}}
.cta-strip h3{font-size:clamp(18px,2vw,22px);font-weight:700}
.cta-strip p{font-size:14px;color:var(--c-text-2);margin-top:8px;max-width:62ch}

/* ---------- Footer ---------- */
.site-footer{background:#070C11;border-top:1px solid var(--c-line)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 28px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}}
.footer-title{font-size:12px;letter-spacing:.16em;color:var(--c-text-3);margin-bottom:14px}
.footer-link{
  display:block;font-size:14px;color:var(--c-text-2);line-height:36px;
  transition:color 180ms var(--ease),transform 180ms var(--ease);
}
.footer-link:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-direction:column;gap:10px;
  padding:18px 0 26px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);
}
@media (min-width:900px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.footer-bottom a{color:var(--c-text-2)}
.footer-bottom a:hover{color:var(--c-primary)}

/* 装饰网格 */
.grid-deco{
  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:48px 48px;
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-bg:#080D12; --c-bg-2:#0E161D;
  --c-line:rgba(255,255,255,.08); --c-line-2:rgba(255,255,255,.14);
  --c-primary:#2F7DE1; --c-primary-deep:#0F3B6E;
  --c-accent:#FF7A29; --c-accent-2:#35E0C8;
  --c-text:#E9EFF4; --c-text-2:#A6B6C2; --c-text-3:#6C7D8A;
  --c-warn:#FFC24B;
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:28px; --r-pill:999px;
  --sh-card:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px rgba(0,0,0,.35);
  --sh-pop:0 24px 60px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1280px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"Inter","DIN Alternate",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:var(--font-sans);font-size:16px;line-height:1.9;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
::selection{background:rgba(255,122,41,.32)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1280px){.container{padding:0 32px}}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.dim{color:var(--c-text-2)}
.mute{color:var(--c-text-3)}
.relative{position:relative}
.z-10{position:relative;z-index:10}

/* ---------- 公告条 ---------- */
.topbar{background:#070C11;border-bottom:1px solid var(--c-line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;font-size:12px;letter-spacing:.04em}
.topbar-note{display:inline-flex;align-items:center;gap:8px;color:var(--c-text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-note i{color:var(--c-accent)}
.topbar-link{color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;transition:color .2s var(--ease)}
.topbar-link:hover{color:var(--c-accent)}
@media(max-width:639px){.topbar-note{display:none}.topbar-inner{justify-content:flex-end}}

/* ---------- 品牌 ---------- */
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;position:relative;
  background:linear-gradient(140deg,rgba(47,125,225,.95),rgba(15,59,110,.55));
  clip-path:polygon(50% 0,100% 26%,100% 74%,50% 100%,0 74%,0 26%);
}
.brand-mark::after{content:"";position:absolute;right:5px;top:7px;width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.brand-name{display:block;font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--c-text);line-height:1.3}
.brand-sub{display:block;font-size:11px;letter-spacing:.16em;color:var(--c-text-3);line-height:1.4}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(8,13,18,.78);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);transition:background .24s var(--ease)}
.site-header.is-scrolled{background:rgba(8,13,18,.94);box-shadow:0 12px 30px rgba(0,0,0,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.primary-nav{display:none}
@media(min-width:1024px){.primary-nav{display:flex;align-items:center;gap:4px}}
.nav-item{position:relative}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 14px;border-radius:var(--r-pill);font-size:15px;color:var(--c-text-2);transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.nav-link.active{color:#fff}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;background:var(--c-primary)}
.header-actions{display:flex;align-items:center;gap:12px}
.link-btn{display:none;font-size:15px;color:var(--c-text-2);padding:8px 10px;border-radius:var(--r-pill);transition:color .2s var(--ease),background .2s var(--ease)}
.link-btn:hover{color:#fff;background:rgba(255,255,255,.06)}
@media(min-width:640px){.link-btn{display:inline-flex}}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:transparent;border:1px solid var(--c-line-2);color:var(--c-text);cursor:pointer;transition:border-color .2s var(--ease),background .2s var(--ease)}
.nav-toggle:hover{border-color:var(--c-primary);background:rgba(47,125,225,.12)}
@media(min-width:1024px){.nav-toggle{display:none}}

/* ---------- Mega 面板 ---------- */
.mega-panel{
  position:absolute;top:calc(100% + 12px);left:50%;width:min(840px,86vw);
  padding:28px;border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02)),rgba(14,22,29,.94);
  backdrop-filter:blur(12px) saturate(120%);-webkit-backdrop-filter:blur(12px) saturate(120%);
  border:1px solid var(--c-line-2);box-shadow:var(--sh-pop);
  opacity:0;visibility:hidden;transform:translate(-50%,8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s var(--ease);
}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px}
.mega-title{font-size:12px;letter-spacing:.12em;color:var(--c-text-3);margin-bottom:8px}
.mega-link{display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--c-text-2);border-left:2px solid transparent;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.mega-link:hover{background:rgba(255,255,255,.05);border-left-color:var(--c-primary);color:#fff}
.mega-card{display:flex;gap:12px;padding:10px;border-radius:14px;border:1px solid var(--c-line);background:rgba(255,255,255,.02);transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease)}
.mega-card:hover{border-color:var(--c-line-2);background:rgba(255,255,255,.05);transform:translateY(-2px)}
.mega-card img{width:96px;height:54px;object-fit:cover;border-radius:10px;flex:0 0 96px}
.mega-card-body strong{display:block;font-size:14px;color:#fff;line-height:1.5}
.mega-card-body span{display:block;font-size:12px;color:var(--c-text-3);line-height:1.5;margin-top:2px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,9,.66);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:70}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:88%;max-width:380px;background:#0A1218;border-left:1px solid var(--c-line-2);padding:20px;overflow-y:auto;transform:translateX(102%);transition:transform .26s var(--ease);z-index:80}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:40px;height:40px;border-radius:12px;background:transparent;border:1px solid var(--c-line-2);color:var(--c-text);cursor:pointer}
.drawer-close:hover{border-color:var(--c-primary)}
.drawer-nav{padding:16px 0;display:flex;flex-direction:column;gap:4px}
.drawer-link{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:12px;font-size:16px;color:var(--c-text-2);border-left:2px solid transparent;transition:background .18s var(--ease),color .18s var(--ease)}
.drawer-link:hover{background:rgba(255,255,255,.05);color:#fff}
.drawer-link.active{color:#fff;border-left-color:var(--c-primary);background:rgba(47,125,225,.12)}
.drawer-sub{display:flex;flex-direction:column;padding:4px 0 8px 12px;border-left:1px solid var(--c-line);margin-left:12px}
.drawer-sub a{min-height:40px;display:flex;align-items:center;font-size:14px;color:var(--c-text-3)}
.drawer-sub a:hover{color:var(--c-primary)}
.drawer-actions{display:grid;gap:10px;padding-top:16px;border-top:1px solid var(--c-line)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease)}
.btn-primary{background:var(--c-accent);color:#0B0F14;box-shadow:0 0 0 1px rgba(255,122,41,.45),0 10px 28px rgba(255,122,41,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,122,41,.6),0 14px 34px rgba(255,122,41,.36)}
.btn-ghost{background:transparent;border-color:var(--c-line-2);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(47,125,225,.12)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-primary);transition:color .2s var(--ease)}
.text-link i{transition:transform .2s var(--ease)}
.text-link:hover{color:var(--c-accent)}
.text-link:hover i{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;border:1px solid transparent;line-height:1.6}
.badge-primary{color:#9CC7F5;background:rgba(47,125,225,.14);border-color:rgba(47,125,225,.34)}
.badge-accent{color:#FFC49A;background:rgba(255,122,41,.14);border-color:rgba(255,122,41,.34)}
.badge-mint{color:#8FF0E0;background:rgba(53,224,200,.12);border-color:rgba(53,224,200,.3)}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);padding:56px 0 64px;background:#080D12}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,#080D12 0%,rgba(8,13,18,.88) 46%,rgba(8,13,18,.66) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.page-hero::after{content:"";position:absolute;inset:0;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:48px 48px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent);mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent);opacity:.55}
.hero-glow{position:absolute;width:220px;height:220px;border-radius:50%;background:var(--c-accent);filter:blur(80px);opacity:.18;top:-30px;right:14%;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3);height:40px}
.crumb i{font-size:10px;opacity:.6}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--c-primary)}
.hero-title{font-size:clamp(30px,4.4vw,52px);line-height:1.15;letter-spacing:-.02em;font-weight:800;margin-top:18px;max-width:20em;color:#fff}
.hero-lead{margin-top:20px;font-size:17px;color:var(--c-text-2);max-width:48em}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 40px;margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line)}
.fact{display:flex;flex-direction:column;gap:4px}
.fact-num{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--c-text);font-variant-numeric:tabular-nums;line-height:1.3}
.fact-label{font-size:12px;letter-spacing:.08em;color:var(--c-text-3)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

/* ---------- 锚点条 ---------- */
.anchor-bar{position:sticky;top:72px;z-index:40;background:rgba(8,13,18,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.anchor-inner{display:flex;align-items:center;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);font-size:14px;color:var(--c-text-2);white-space:nowrap;transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease)}
.chip i{font-size:12px;opacity:.7}
.chip:hover{border-color:var(--c-line-2);color:#fff;background:rgba(255,255,255,.04)}
.chip.active{border-color:rgba(255,122,41,.55);background:rgba(255,122,41,.12);color:#FFC49A}
.anchor-note{margin-left:auto;font-size:12px;color:var(--c-text-3);white-space:nowrap;display:none}
@media(min-width:1024px){.anchor-note{display:block}}

/* ---------- 区块 ---------- */
.section{padding:60px 0}
@media(min-width:768px){.section{padding:76px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:40px 0}
.section-head{max-width:820px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.8vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head .lead{margin-top:14px;font-size:16px;color:var(--c-text-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;color:var(--c-text-3);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-accent)}
.rule{height:1px;background:var(--c-line);border:0;margin:0}

/* ---------- 日程时间线（两列交错） ---------- */
.day-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 18px;padding-bottom:18px;border-bottom:1px solid var(--c-line);margin-bottom:36px}
.day-head h2{font-size:clamp(21px,2.4vw,30px);font-weight:700;letter-spacing:-.01em}
.day-head .day-sub{font-size:14px;color:var(--c-text-2)}
.day-date{font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;color:var(--c-accent);border:1px solid rgba(255,122,41,.34);background:rgba(255,122,41,.1);border-radius:var(--r-pill);padding:3px 12px}
.timeline{position:relative;padding:4px 0}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--c-line);transform:translateX(-.5px)}
.tl-item{position:relative;width:calc(50% - 42px);margin-bottom:22px}
.tl-item:nth-child(even){margin-left:auto}
.tl-item .dot{position:absolute;top:26px;width:12px;height:12px;border-radius:50%;background:var(--c-bg);border:2px solid var(--c-primary);z-index:2}
.tl-item:nth-child(odd) .dot{right:-48px}
.tl-item:nth-child(even) .dot{left:-48px}
.tl-item.now .dot{background:var(--c-accent);border-color:var(--c-accent);box-shadow:0 0 0 6px rgba(255,122,41,.18)}
.tl-card{background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-card);transition:transform .22s var(--ease),border-color .22s var(--ease)}
.tl-card:hover{transform:translateY(-3px);border-color:var(--c-line-2)}
.tl-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.tl-time{font-family:var(--font-mono);font-size:14px;font-variant-numeric:tabular-nums;color:var(--c-accent-2);letter-spacing:.02em}
.tl-title{font-size:18px;font-weight:600;line-height:1.5;margin-top:10px}
.tl-meta{font-size:14px;color:var(--c-text-2);margin-top:6px}
.tl-place{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--c-text-3);margin-top:10px}
.tl-place i{color:var(--c-primary)}
@media(max-width:1023px){
  .timeline::before{left:5px;transform:none}
  .tl-item{width:100%;margin-left:0 !important;padding-left:28px}
  .tl-item .dot{left:0 !important;right:auto !important;top:24px}
}

/* ---------- 分会场横卡 ---------- */
.venue-grid{display:grid;gap:20px}
@media(min-width:900px){.venue-grid{grid-template-columns:1fr 1fr}}
.venue-card{display:grid;grid-template-columns:92px 1fr;gap:18px;padding:22px;background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);transition:transform .22s var(--ease),border-color .22s var(--ease)}
.venue-card:hover{transform:translateY(-4px);border-color:var(--c-line-2)}
.venue-time{border-left:3px solid var(--c-accent);padding-left:12px}
.venue-num{font-family:var(--font-mono);font-size:28px;font-weight:700;color:var(--c-accent);line-height:1.2;font-variant-numeric:tabular-nums}
.venue-tag{font-size:12px;letter-spacing:.06em;color:var(--c-text-3);margin-top:6px}
.venue-title{font-size:17px;font-weight:600}
.venue-desc{font-size:14px;color:var(--c-text-2);margin-top:8px}
.venue-card .text-link{margin-top:12px}
@media(max-width:520px){.venue-card{grid-template-columns:1fr;gap:14px}}

/* ---------- 延伸阅读卡 ---------- */
.card-grid{display:grid;gap:22px}
@media(min-width:700px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);transition:transform .22s var(--ease),border-color .22s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:var(--c-line-2)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#0F3B6E,#080D12)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(8,13,18,.78);backdrop-filter:blur(6px)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:600;line-height:1.55}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{font-size:14px;color:var(--c-text-2)}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line)}
.card-time{font-family:var(--font-mono);font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.card-foot i{color:var(--c-primary);transition:transform .2s var(--ease)}
.card:hover .card-foot i{transform:translateX(4px)}

/* ---------- 底部 CTA ---------- */
.cta-bar{position:relative;overflow:hidden;border:1px solid var(--c-line);border-radius:var(--r-xl);background:linear-gradient(120deg,rgba(15,59,110,.6),rgba(8,13,18,.94));padding:30px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-bar::after{content:"";position:absolute;inset:0;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:48px 48px;opacity:.5;pointer-events:none}
.cta-bar > *{position:relative;z-index:1}
.cta-bar h3{font-size:clamp(19px,2.1vw,24px);font-weight:700;letter-spacing:-.01em}
.cta-bar p{font-size:14px;color:var(--c-text-2);margin-top:8px}
.back-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px}

/* ---------- 页脚 ---------- */
.site-footer{background:#070C11;border-top:1px solid var(--c-line);padding:64px 0 0;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-title{font-size:13px;letter-spacing:.1em;color:var(--c-text-3);margin-bottom:12px}
.footer-link{display:block;line-height:36px;font-size:14px;color:var(--c-text-2);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-link:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-bottom{margin-top:48px;border-top:1px solid var(--c-line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-3)}
.footer-bottom a{color:var(--c-text-2);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--c-primary)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* roulang page: category2 */
:root{
  --c-bg:#080D12;
  --c-bg-2:#0E161D;
  --c-line:rgba(255,255,255,.08);
  --c-line-2:rgba(255,255,255,.14);
  --c-primary:#2F7DE1;
  --c-primary-deep:#0F3B6E;
  --c-accent:#FF7A29;
  --c-accent-2:#35E0C8;
  --c-text:#E9EFF4;
  --c-text-2:#A6B6C2;
  --c-text-3:#6C7D8A;
  --c-warn:#FFC24B;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px rgba(0,0,0,.35);
  --shadow-pop:0 24px 60px rgba(0,0,0,.5);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 88% -8%, rgba(255,122,41,.10), transparent 62%),
    radial-gradient(760px 460px at 2% 6%, rgba(47,125,225,.10), transparent 62%),
    var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),transform var(--t)}
a:hover{color:var(--c-primary)}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:600}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.dim{color:var(--c-text-2)}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1280px){.container{padding:0 32px}}

/* ---------- 公告条 ---------- */
.announce{background:#060A0E;border-bottom:1px solid var(--c-line);font-size:13px;color:var(--c-text-2)}
.announce-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.announce-text{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.announce-text i{color:var(--c-accent-2)}
.announce-link{color:var(--c-accent);font-weight:600;white-space:nowrap}
.announce-link:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(8,13,18,.74);backdrop-filter:blur(10px) saturate(120%);border-bottom:1px solid var(--c-line);transition:background var(--t)}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand:hover{color:var(--c-text)}
.brand-mark{position:relative;width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));box-shadow:0 0 0 1px rgba(255,255,255,.08) inset, 0 8px 20px rgba(47,125,225,.28);flex-shrink:0}
.brand-mark::before{content:"";position:absolute;inset:9px;border-radius:4px;background:linear-gradient(135deg,var(--c-accent) 0 42%, rgba(255,255,255,.55) 42% 60%, transparent 60%);clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}
.brand-name{display:block;font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--c-text)}
.brand-sub{display:block;font-size:11px;letter-spacing:.16em;color:var(--c-text-3);line-height:1.4;white-space:nowrap}
.primary-nav{align-self:stretch;display:flex;align-items:stretch;gap:2px;margin-left:14px}
.nav-item{display:flex;align-items:center;position:static}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--c-text-2);position:relative}
.nav-link:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--c-text);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;border-radius:3px;background:var(--c-primary)}
.nav-link i{opacity:.6;font-size:10px}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle-label{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--c-line-2);color:var(--c-text);cursor:pointer;transition:background var(--t),border-color var(--t)}
.nav-toggle-label:hover{background:rgba(255,255,255,.06);border-color:var(--c-line-2)}

/* Mega 面板 */
.mega-panel{
  position:absolute;top:100%;right:0;width:min(780px,calc(100vw - 48px));
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(12px) saturate(120%);
  border:1px solid var(--c-line-2);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--shadow-pop);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity 160ms ease,transform 160ms ease,visibility 160ms ease;
  z-index:90;
}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px}
.mega-title{font-size:12px;letter-spacing:.16em;color:var(--c-text-3);margin-bottom:10px}
.mega-link{display:flex;align-items:center;min-height:40px;padding:0 12px;border-left:2px solid transparent;border-radius:6px;font-size:14px;color:var(--c-text-2)}
.mega-link:hover{background:rgba(255,255,255,.05);border-left-color:var(--c-primary);color:var(--c-text)}
.mega-card{display:block;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;background:rgba(14,22,29,.7);transition:transform var(--t),border-color var(--t)}
.mega-card:hover{transform:translateY(-3px);border-color:var(--c-line-2);color:var(--c-text)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card-body{display:block;padding:12px 14px 14px}
.mega-card-body strong{display:block;font-size:14px;font-weight:600;margin-bottom:2px}
.mega-card-body span{display:block;font-size:12px;color:var(--c-text-3);line-height:1.6}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:120;display:none}
.drawer.open{display:block}
.drawer-backdrop{position:absolute;inset:0;background:rgba(4,7,10,.7);backdrop-filter:blur(2px)}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:88%;max-width:380px;background:var(--c-bg-2);border-left:1px solid var(--c-line);padding:22px;overflow-y:auto;box-shadow:var(--shadow-pop)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--c-line-2);background:transparent;cursor:pointer}
.drawer-close:hover{background:rgba(255,255,255,.06)}
.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-sm);font-size:16px;color:var(--c-text-2);border-left:2px solid transparent}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--c-text)}
.drawer-link.active{color:var(--c-text);font-weight:600;border-left-color:var(--c-primary);background:rgba(47,125,225,.10)}
.drawer-sub{margin:8px 0 18px;padding:8px 0 8px 14px;border-left:1px solid var(--c-line)}
.drawer-sub a{display:flex;align-items:center;min-height:42px;font-size:14px;color:var(--c-text-3)}
.drawer-sub a:hover{color:var(--c-primary)}
.drawer-actions{display:grid;gap:10px;padding-top:16px;border-top:1px solid var(--c-line)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t)}
.btn-primary{background:var(--c-accent);color:#0B0F14;box-shadow:0 0 0 1px rgba(255,122,41,.45),0 10px 28px rgba(255,122,41,.28)}
.btn-primary:hover{color:#0B0F14;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(255,122,41,.62),0 14px 34px rgba(255,122,41,.36)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--c-line-2);color:var(--c-primary)}
.btn-outline:hover{background:rgba(47,125,225,.12);border-color:var(--c-primary);color:var(--c-text)}
.btn-text{background:transparent;color:var(--c-text-2);padding:0 12px;min-height:40px}
.btn-text:hover{color:var(--c-text);text-decoration:underline;text-underline-offset:4px}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- 分类页头 ---------- */
.page-hero{position:relative;padding:64px 0 52px;border-bottom:1px solid var(--c-line);overflow:hidden;background-image:linear-gradient(100deg,rgba(8,13,18,.96) 8%,rgba(8,13,18,.72) 52%,rgba(8,13,18,.92) 100%),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.page-hero::after{content:"";position:absolute;right:6%;top:-40px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,41,.5),transparent 70%);filter:blur(80px);opacity:.18;pointer-events:none}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:10px;min-height:40px;font-size:13px;color:var(--c-text-3);margin-bottom:12px}
.breadcrumb a{color:var(--c-text-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-text-3);opacity:.6}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--c-accent);border:1px solid rgba(255,122,41,.3);background:rgba(255,122,41,.10);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:18px}
.page-hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;letter-spacing:-.02em;font-weight:800;max-width:20em}
.hero-lead{margin-top:18px;max-width:64ch;font-size:17px;color:var(--c-text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;padding-top:20px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-text-3)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent-2)}

/* ---------- 移动锚点条 ---------- */
.anchor-bar{position:sticky;top:74px;z-index:60;background:rgba(8,13,18,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);padding:10px 0}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:0 20px;scrollbar-width:none}
.anchor-scroll::-webkit-scrollbar{display:none}
.anchor-chip{flex:0 0 auto;display:inline-flex;align-items:center;min-height:38px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);font-size:14px;color:var(--c-text-2);white-space:nowrap}
.anchor-chip:hover{border-color:var(--c-accent);background:rgba(255,122,41,.10);color:var(--c-accent)}

/* ---------- 双栏布局 ---------- */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;padding:64px 0 8px}
.side-col{position:sticky;top:118px;align-self:start;display:grid;gap:20px}
.side-title{font-size:12px;letter-spacing:.16em;color:var(--c-text-3);margin-bottom:10px}
.side-link{display:flex;align-items:center;min-height:42px;padding:0 12px;border-left:2px solid transparent;border-radius:6px;font-size:14px;color:var(--c-text-2)}
.side-link:hover,.side-link.active{color:var(--c-text);background:rgba(255,255,255,.05);border-left-color:var(--c-primary)}
.help-card{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));backdrop-filter:blur(12px) saturate(120%);border:1px solid var(--c-line-2);border-radius:20px;padding:20px;box-shadow:var(--shadow-card)}
.help-card h3{font-size:16px;margin-bottom:8px}
.help-card p{font-size:13px;color:var(--c-text-2);margin-bottom:12px;line-height:1.75}
.help-card .btn{width:100%}

/* ---------- 板块 ---------- */
.section{padding:8px 0 64px;border-bottom:1px solid var(--c-line)}
.section:last-of-type{border-bottom:0}
.section-head{margin-bottom:32px}
.section-head .label{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--c-primary);margin-bottom:10px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);letter-spacing:-.015em}
.section-head p{margin-top:12px;font-size:15px;color:var(--c-text-2);max-width:70ch}
.lead-note{font-size:15px;color:var(--c-text-2);margin-bottom:26px;max-width:64ch}

/* ---------- 票种定义列表 ---------- */
.ticket-list{border-top:1px solid var(--c-line)}
.ticket-row{display:grid;grid-template-columns:210px minmax(0,1fr) 150px;gap:24px;align-items:center;padding:22px 12px;border-bottom:1px solid var(--c-line);transition:background var(--t)}
.ticket-row:hover{background:rgba(255,255,255,.03)}
.ticket-name{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600}
.ticket-desc{font-size:15px;color:var(--c-text-2);line-height:1.8}
.ticket-price{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:var(--c-accent);text-align:right}
.ticket-price small{display:block;font-size:12px;font-weight:400;color:var(--c-text-3);letter-spacing:.02em}
.badge{display:inline-flex;align-items:center;font-size:12px;letter-spacing:.06em;border-radius:var(--r-pill);padding:4px 10px;border:1px solid rgba(47,125,225,.3);background:rgba(47,125,225,.12);color:#8FC0F5;white-space:nowrap}
.badge-accent{border-color:rgba(255,122,41,.34);background:rgba(255,122,41,.12);color:#FFB07A}
.badge-mint{border-color:rgba(53,224,200,.32);background:rgba(53,224,200,.12);color:#7BEDDD}

/* ---------- 场馆与交通 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.info-card{background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-card);transition:transform var(--t),border-color var(--t)}
.info-card:hover{transform:translateY(-4px);border-color:var(--c-line-2)}
.info-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(47,125,225,.14);border:1px solid rgba(47,125,225,.28);color:var(--c-primary);margin-bottom:14px}
.info-card h3{font-size:17px;margin-bottom:10px}
.info-card p{font-size:14px;color:var(--c-text-2);margin-bottom:8px;line-height:1.8}
.info-card p:last-child{margin-bottom:0}
.map-ph{margin-top:20px;position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--c-line);aspect-ratio:21/9;background:linear-gradient(140deg,#0F1A24,#0A1118)}
.map-ph img{width:100%;height:100%;object-fit:cover;opacity:.42}
.map-ph span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--c-text-3);text-align:center;padding:0 20px}

/* ---------- 报名流程步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;counter-reset:step}
.step{position:relative;padding-top:34px}
.step::before{content:"";position:absolute;top:15px;left:0;right:0;height:1px;background:var(--c-line)}
.step:first-child::before{left:15px}
.step:last-child::before{right:calc(100% - 15px)}
.step-node{position:absolute;top:0;left:0;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:13px;font-weight:700;background:var(--c-bg);border:1px solid var(--c-primary);color:var(--c-primary)}
.step.current .step-node{border-color:var(--c-accent);color:#0B0F14;background:var(--c-accent);box-shadow:0 0 0 4px rgba(255,122,41,.16)}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13px;color:var(--c-text-2);line-height:1.75;margin:0}

/* ---------- 现场服务 ---------- */
.service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;border-top:1px solid var(--c-line)}
.service-item{display:flex;gap:16px;padding:22px 4px;border-bottom:1px solid var(--c-line)}
.service-num{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--c-accent);line-height:1.4;flex:0 0 auto}
.service-item h4{font-size:16px;margin-bottom:6px}
.service-item p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.8}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--c-line);padding:4px 0}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:6px 4px;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--c-primary)}
.faq summary .faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line-2);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--c-text-2);transition:transform var(--t),border-color var(--t),color var(--t)}
.faq details[open] summary .faq-icon{transform:rotate(180deg);border-color:var(--c-accent);color:var(--c-accent)}
.faq .faq-body{padding:0 4px 20px;font-size:15px;color:var(--c-text-2);line-height:1.85;max-width:74ch}
.faq .faq-body p:last-child{margin-bottom:0}

/* ---------- CTA 条 ---------- */
.cta-bar{margin-top:64px;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:linear-gradient(100deg,rgba(15,59,110,.55),rgba(8,13,18,.9)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;position:relative;overflow:hidden}
.cta-bar::after{content:"";position:absolute;left:8%;top:-30px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,41,.5),transparent 70%);filter:blur(80px);opacity:.16;pointer-events:none}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:34px 0}
.cta-inner h3{font-size:clamp(19px,2.2vw,25px);margin-bottom:8px}
.cta-inner p{margin:0;font-size:14px;color:var(--c-text-2);max-width:62ch}

/* ---------- 页脚 ---------- */
.site-footer{background:#070C11;border-top:1px solid var(--c-line);margin-top:0;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-title{font-size:13px;letter-spacing:.14em;color:var(--c-text-3);margin-bottom:14px}
.footer-link{display:flex;align-items:center;min-height:36px;font-size:14px;color:var(--c-text-2)}
.footer-link:hover{color:var(--c-primary);transform:translateX(2px)}
.site-footer .brand-name{color:var(--c-text)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--c-line);padding:18px 0 26px;font-size:13px;color:var(--c-text-3)}
.footer-bottom a{color:var(--c-text-3)}
.footer-bottom a:hover{color:var(--c-primary)}

/* ---------- 入场动画 ---------- */
@media(prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(12px);animation:revealIn .6s cubic-bezier(.2,.7,.3,1) forwards}
  .reveal:nth-child(2){animation-delay:.06s}
  .reveal:nth-child(3){animation-delay:.12s}
  .reveal:nth-child(4){animation-delay:.18s}
  @keyframes revealIn{to{opacity:1;transform:translateY(0)}}
}

/* ---------- 响应式 ---------- */
@media(max-width:1180px){
  .mega-panel{width:min(680px,calc(100vw - 48px));padding:22px}
  .mega-grid{grid-template-columns:1fr 1fr;gap:20px}
  .mega-grid > div:nth-child(3){display:none}
}
@media(max-width:1024px){
  .primary-nav{display:none}
  .nav-toggle-label{display:inline-flex}
  .header-actions .btn-text{display:none}
  .layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:48px}
  .side-col{position:static;display:none}
  .anchor-bar{display:block}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .step::before{display:none}
  .step{padding-top:0;padding-left:44px}
  .step-node{top:2px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(min-width:1025px){
  .anchor-bar{display:none}
}
@media(max-width:768px){
  .announce-text{max-width:56vw}
  .page-hero{padding:44px 0 40px}
  .section{padding-bottom:48px}
  .info-grid{grid-template-columns:minmax(0,1fr)}
  .service-list{grid-template-columns:minmax(0,1fr)}
  .ticket-row{grid-template-columns:minmax(0,1fr);gap:8px;padding:18px 4px}
  .ticket-price{text-align:left}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:28px 0}
  .hero-meta{gap:8px 18px}
}
@media(max-width:640px){
  .steps{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-sub{display:none}
  .hero-lead{font-size:16px}
}