/* roulang page: index */
:root{
  --ink-900:#0B0D0C;
  --ink-700:#16191A;
  --ink-600:#1E2220;
  --paper:#F6F4EF;
  --paper-tint:#EFEDE6;
  --card:#FFFFFF;
  --neon:#A6FF3F;
  --neon-soft:rgba(166,255,63,.16);
  --jade:#0FB89B;
  --cinnabar:#E4572E;
  --t1:#101312;
  --t2:#4A514E;
  --t3:#8A918D;
  --line-light:rgba(16,19,18,.10);
  --line-dark:rgba(255,255,255,.12);
  --r-card:14px;
  --r-input:10px;
  --r-badge:6px;
  --shadow-soft:0 1px 2px rgba(16,19,18,.06),0 12px 32px rgba(16,19,18,.08);
  --shadow-lift:0 2px 4px rgba(16,19,18,.07),0 22px 48px rgba(16,19,18,.12);
  --ease:cubic-bezier(.2,.7,.2,1);
  --mono:"JetBrains Mono","SF Mono",ui-monospace,Menlo,Consolas,monospace;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--t1);font-family:var(--sans);
  font-size:17px;line-height:1.85;font-weight:400;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--t1)}
p{margin:0}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.wrap-narrow{width:100%;max-width:820px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--dark{background:var(--ink-900);color:#fff}
.section--dark h2,.section--dark h3{color:#fff}
.section--tint{background:var(--paper-tint)}
.mono{font-family:var(--mono);letter-spacing:.06em}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(11,13,12,.93);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{position:relative;width:30px;height:30px;display:grid;grid-template-columns:1fr 1fr;gap:3px;flex-shrink:0}
.brand-mark i{display:block;background:var(--neon);border-radius:2px}
.brand-mark i:nth-child(1){grid-column:span 2;opacity:.9}
.brand-mark i:nth-child(2){opacity:.55}
.brand-mark i:nth-child(3){opacity:.9}
.brand-text{color:#fff;font-family:var(--serif);font-weight:800;font-size:18px;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;color:var(--t3);font-size:15px;font-weight:500;
  transition:color .22s var(--ease);white-space:nowrap;
}
.nav-links a::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--neon);
  opacity:0;transform:scale(.3);transition:.22s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a.is-active{color:#fff;text-shadow:0 0 16px rgba(166,255,63,.4)}
.nav-links a.is-active::before{opacity:1;transform:scale(1)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--neon);box-shadow:0 0 12px rgba(166,255,63,.65);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.24);
  background:transparent;border-radius:999px;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--neon);border-radius:2px;transition:.22s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{
  position:fixed;inset:0;z-index:120;background:rgba(11,13,12,.985);
  display:flex;flex-direction:column;justify-content:center;padding:40px 28px;
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.nav-drawer.is-open{opacity:1;visibility:visible}
.drawer-close{
  position:absolute;top:18px;right:20px;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--neon);background:transparent;color:var(--neon);
  font-size:22px;line-height:1;cursor:pointer;transition:.22s var(--ease);
}
.drawer-close:hover{background:var(--neon);color:var(--ink-900)}
.drawer-nav a{
  display:block;color:#fff;font-family:var(--serif);font-size:26px;font-weight:700;
  padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);
  opacity:0;transform:translateY(14px);transition:opacity .34s var(--ease),transform .34s var(--ease),color .22s var(--ease);
}
.nav-drawer.is-open .drawer-nav a{opacity:1;transform:none}
.drawer-nav a.is-active{color:var(--neon)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:32px}
.drawer-actions .btn{width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--neon);color:#0B0D0C}
.btn-primary:hover{transform:translateY(-2px);background:#B9FF66;box-shadow:0 12px 32px rgba(166,255,63,.34);color:#0B0D0C}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:var(--neon);border-color:var(--neon);color:#0B0D0C;transform:translateY(-2px)}
.btn-outline-dark{background:transparent;border-color:rgba(16,19,18,.24);color:var(--t1)}
.btn-outline-dark:hover{border-color:var(--t1);background:var(--t1);color:#fff;transform:translateY(-2px)}
.btn-paper{background:#fff;color:var(--t1)}
.btn-paper:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.28)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--t1);font-weight:600;
  background:none;border:0;padding:0;cursor:pointer;position:relative;
}
.btn-text::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--neon);
  transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
}
.btn-text:hover::after{transform:scaleX(1)}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink-900);color:#fff;overflow:hidden;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:linear-gradient(102deg,rgba(11,13,12,.97) 0%,rgba(11,13,12,.9) 40%,rgba(11,13,12,.6) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
}
.hero-lines{
  position:absolute;inset:0;z-index:-1;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:72px 72px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  padding-top:88px;padding-bottom:88px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;
  border:1px solid rgba(166,255,63,.4);background:rgba(166,255,63,.08);
  font-size:12px;letter-spacing:.16em;color:var(--neon);font-family:var(--mono);
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px var(--neon)}
.hero h1{
  margin:24px 0 0;color:#fff;
  font-size:clamp(34px,5.2vw,66px);line-height:1.08;letter-spacing:-.02em;font-weight:900;
}
.hero-sub{
  margin-top:22px;max-width:620px;color:rgba(255,255,255,.72);
  font-size:19px;line-height:1.75;font-weight:400;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 34px;margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-family:var(--mono);font-size:14px;letter-spacing:.06em;color:#fff;
}
.hero-meta li{display:flex;flex-direction:column;gap:4px}
.hero-meta span{font-size:11px;letter-spacing:.2em;color:var(--jade)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.55)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,transparent,rgba(11,13,12,.9));
  font-size:13px;color:rgba(255,255,255,.82);letter-spacing:.02em;
}
.hero-media::after{
  content:"";position:absolute;inset:0;border:1px solid rgba(166,255,63,.28);border-radius:var(--r-card);
  pointer-events:none;
}
.hero-rule{height:1px;background:linear-gradient(90deg,transparent,var(--neon),transparent);opacity:.7}

/* ---------- section head ---------- */
.section-head{max-width:760px;margin-bottom:52px}
.kicker{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);
  font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--jade);
}
.kicker::before{content:"";width:26px;height:1px;background:currentColor;display:block}
.section-head h2{margin-top:16px;font-size:clamp(28px,3.4vw,42px)}
.section-head p{margin-top:16px;color:var(--t2);font-size:17px}
.section--dark .section-head p{color:rgba(255,255,255,.66)}
.section--dark .kicker{color:var(--neon)}

/* ---------- stats ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat{padding-right:20px;border-right:1px solid var(--line-light)}
.stat:last-child{border-right:0;padding-right:0}
.stat b{display:block;font-family:var(--mono);font-size:clamp(30px,3.6vw,44px);font-weight:600;letter-spacing:-.02em;color:var(--t1);line-height:1}
.stat b em{font-style:normal;font-size:.5em;color:var(--jade);margin-left:4px;letter-spacing:.1em}
.stat span{display:block;margin-top:10px;font-size:13px;letter-spacing:.16em;color:var(--t3);font-family:var(--mono)}
.stat p{margin-top:12px;font-size:15px;color:var(--t2);line-height:1.75}

/* ---------- schedule / timeline ---------- */
.day-switch{display:inline-flex;flex-wrap:wrap;gap:8px;margin-bottom:44px}
.chip{
  display:inline-flex;align-items:center;min-height:42px;padding:0 20px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);background:transparent;color:rgba(255,255,255,.72);
  font-size:14px;cursor:pointer;transition:.22s var(--ease);font-family:var(--mono);letter-spacing:.04em;
}
.chip:hover{border-color:var(--neon);color:#fff}
.chip.is-active{background:var(--neon);border-color:var(--neon);color:#0B0D0C;font-weight:600}
.timeline{position:relative}
.timeline::before{
  content:"";position:absolute;left:119px;top:10px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(166,255,63,.55),rgba(255,255,255,.1));
}
.tl-item{display:grid;grid-template-columns:104px 32px 1fr;align-items:start;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-time{
  font-family:var(--mono);font-size:15px;letter-spacing:.06em;color:var(--neon);
  text-align:right;padding-right:16px;padding-top:2px;
}
.tl-node{display:flex;justify-content:center;padding-top:6px}
.tl-node::before{
  content:"";width:12px;height:12px;border-radius:50%;background:var(--ink-900);
  border:2px solid var(--neon);transition:.24s var(--ease);
}
.tl-item:hover .tl-node::before{transform:scale(1.4);box-shadow:0 0 0 7px rgba(166,255,63,.14)}
.tl-body{
  background:var(--ink-600);border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:22px 24px;transition:.24s var(--ease);
}
.tl-item:hover .tl-body{border-color:rgba(166,255,63,.35);transform:translateX(4px)}
.tl-body h3{font-size:21px;margin-bottom:8px}
.tl-body p{color:rgba(255,255,255,.66);font-size:15.5px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-badge);
  border:1px solid rgba(166,255,63,.34);color:var(--neon);background:var(--neon-soft);
  font-size:12px;letter-spacing:.12em;font-family:var(--mono);
}
.tag-jade{border-color:rgba(15,184,155,.4);color:#5FE3CB;background:rgba(15,184,155,.12)}
.tag-plain{border-color:rgba(255,255,255,.22);color:rgba(255,255,255,.72);background:transparent}
.day-panel{display:none}
.day-panel.is-active{display:block}

/* ---------- people scroller ---------- */
.people-scroller{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 26px;margin:0 -4px;
  scrollbar-width:thin;
}
.people-scroller::-webkit-scrollbar{height:6px}
.people-scroller::-webkit-scrollbar-thumb{background:rgba(16,19,18,.18);border-radius:999px}
.person{
  flex:0 0 282px;scroll-snap-align:start;background:var(--card);
  border:1px solid var(--line-light);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-soft);transition:.24s var(--ease);
}
.person:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.person img{width:100%;aspect-ratio:4/3;object-fit:cover}
.person-body{padding:20px 22px 24px}
.person-body h3{font-size:20px}
.person-body .role{margin-top:6px;font-size:14px;color:var(--t2)}
.person-body .tag{margin-top:14px;border-color:rgba(15,184,155,.35);color:#0A8C77;background:rgba(15,184,155,.08)}

/* ---------- tickets ---------- */
.tickets{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.ticket{
  position:relative;background:var(--card);border:1px solid var(--line-light);
  border-radius:18px;padding:32px 28px 34px;box-shadow:var(--shadow-soft);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.ticket:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.ticket--best{
  transform:translateY(-8px);border-color:var(--neon);
  box-shadow:0 20px 54px rgba(166,255,63,.22);
  animation:breathe 5s ease-in-out infinite;
}
.ticket--best:hover{transform:translateY(-12px)}
@keyframes breathe{
  0%,100%{box-shadow:0 20px 54px rgba(166,255,63,.18)}
  50%{box-shadow:0 20px 60px rgba(166,255,63,.32)}
}
.ticket-flag{
  position:absolute;top:-13px;left:28px;padding:5px 14px;border-radius:999px;
  background:var(--cinnabar);color:#fff;font-size:12px;letter-spacing:.14em;font-family:var(--mono);
}
.ticket h3{font-size:24px}
.ticket .price{margin-top:14px;font-family:var(--mono);font-size:36px;font-weight:600;letter-spacing:-.02em}
.ticket .price small{font-size:14px;color:var(--t3);letter-spacing:.08em;margin-left:6px}
.ticket .desc{margin-top:12px;color:var(--t2);font-size:15px;min-height:52px}
.ticket ul{margin:22px 0 0;border-top:1px solid var(--line-light);padding-top:20px}
.ticket li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--t2);padding:7px 0}
.ticket li::before{content:"✓";color:var(--jade);font-weight:700;flex-shrink:0}
.ticket li.no{color:var(--t3)}
.ticket li.no::before{content:"—";color:var(--t3)}
.ticket .btn{margin-top:26px}

/* ---------- signup ---------- */
.signup-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.signup-copy h2{font-size:clamp(28px,3.4vw,42px)}
.signup-copy p{margin-top:18px;color:rgba(255,255,255,.68);font-size:17px}
.signup-list{margin-top:30px;display:grid;gap:14px}
.signup-list li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.8);font-size:16px}
.signup-list li::before{content:"";width:10px;height:10px;background:var(--neon);border-radius:2px;margin-top:11px;flex-shrink:0}
.form-card{
  background:var(--card);border-radius:20px;padding:36px 34px 32px;
  box-shadow:0 30px 70px rgba(0,0,0,.4);
}
.form-card h3{font-size:22px;margin-bottom:6px}
.form-card .form-note{font-size:14px;color:var(--t3);margin-bottom:26px}
.field{position:relative;margin-bottom:24px}
.field label{
  display:block;font-size:12px;letter-spacing:.16em;color:var(--t3);
  font-family:var(--mono);margin-bottom:8px;
}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid rgba(16,19,18,.16);
  border-radius:var(--r-input);background:#fff;color:var(--t1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(166,255,63,.22);
}
.field::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--neon);
  border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.field:focus-within::after{transform:scaleX(1)}
.field--error input{border-color:var(--cinnabar)}
.field-msg{display:none;margin-top:7px;font-size:13px;color:var(--cinnabar)}
.field--error .field-msg{display:block}
.form-legal{margin-top:16px;font-size:13px;color:var(--t3);line-height:1.7}

/* ---------- posts ---------- */
.posts-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.posts-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:26px}
.posts-side{display:grid;gap:22px;align-content:start}
.post-card{
  background:var(--card);border:1px solid var(--line-light);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(166,255,63,.5)}
.post-thumb{position:relative;overflow:hidden;background:var(--paper-tint)}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.badge{
  position:absolute;top:14px;left:14px;padding:5px 13px;border-radius:var(--r-badge);
  background:rgba(11,13,12,.82);color:var(--neon);font-size:12px;letter-spacing:.12em;
  font-family:var(--mono);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.post-body{padding:24px 26px 26px}
.post-body h3{font-size:22px;line-height:1.4;transition:color .22s var(--ease)}
.post-card:hover .post-body h3{color:#5EA800}
.post-body p{margin-top:12px;color:var(--t2);font-size:15.5px;line-height:1.8}
.post-card--feature .post-body h3{font-size:28px}
.post-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line-light);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;color:var(--t3);
}
.post-meta .more{color:var(--t1);font-weight:600;font-family:var(--sans);letter-spacing:0}
.post-card--mini{display:grid;grid-template-columns:132px 1fr}
.post-card--mini .post-thumb img{aspect-ratio:1/1;height:100%}
.post-card--mini .badge{top:10px;left:10px;font-size:11px;padding:3px 9px}
.post-card--mini .post-body{padding:18px 20px}
.post-card--mini .post-body h3{font-size:17px}
.post-card--mini .post-body p{margin-top:8px;font-size:14px;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.post-card--mini .post-meta{margin-top:12px;padding-top:10px;font-size:11.5px}
.clamp-2{display:-webkit-box;-webkit-box-orient:vertical;-webkit-box-lines:2;-webkit-line-clamp:2;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.posts-empty{
  min-height:220px;border:1px dashed rgba(16,19,18,.22);border-radius:var(--r-card);
  background:var(--card);display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;padding:44px 24px;
}
.posts-empty .empty-icon{
  width:54px;height:54px;border-radius:14px;border:1px solid var(--line-light);
  display:flex;align-items:center;justify-content:center;color:var(--jade);
}
.posts-empty p{color:var(--t2);font-size:16px}

/* ---------- faq ---------- */
.faq{border:0;background:transparent;max-width:920px}
.faq .accordion-item{
  background:var(--card);border:1px solid var(--line-light);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;transition:.24s var(--ease);position:relative;
}
.faq .accordion-item.is-active{border-color:rgba(166,255,63,.65);box-shadow:var(--shadow-soft)}
.faq .accordion-item.is-active::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--neon);
}
.faq .accordion-title{
  display:block;padding:22px 60px 22px 26px;font-family:var(--serif);
  font-size:18px;font-weight:700;color:var(--t1);border:0;line-height:1.6;
  transition:color .22s var(--ease);
}
.faq .accordion-title::before{
  content:"+";position:absolute;right:24px;top:22px;
  font-family:var(--mono);font-size:22px;color:var(--jade);font-weight:400;
  float:none;margin:0;transform:none;transition:transform .26s var(--ease),color .22s var(--ease);
}
.faq .accordion-item.is-active .accordion-title::before{content:"−";color:var(--neon);transform:rotate(180deg)}
.faq .accordion-title:hover{color:#4E8C00}
.faq .accordion-content{padding:0 26px 24px!important;border:0!important;background:transparent!important}
.faq .accordion-content p{color:var(--t2);font-size:16px;line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;background:var(--ink-900);color:#fff;overflow:hidden;
  border-top:1px solid rgba(166,255,63,.35);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(11,13,12,.96),rgba(11,13,12,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.9;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:40px;padding:64px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(26px,3.2vw,38px);max-width:660px}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.7);font-size:16px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.7);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:0}
.footer-col{padding:0 32px;border-left:1px solid rgba(255,255,255,.08)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-col h4{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--jade);font-weight:500}
.footer-brand{display:inline-flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-text{font-size:19px}
.footer-col p{margin-top:12px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-links{margin-top:18px;display:grid;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.68);transition:.22s var(--ease)}
.footer-links a:hover{color:var(--neon);padding-left:4px}
.footer-contact{margin-top:18px;display:grid;gap:12px;font-family:var(--mono);font-size:13.5px;letter-spacing:.04em;color:rgba(255,255,255,.72)}
.footer-contact span{display:block;font-family:var(--sans);font-size:12px;letter-spacing:.16em;color:var(--t3);margin-bottom:2px}
.subscribe{margin-top:18px;display:flex;gap:8px}
.subscribe input{
  flex:1;min-width:0;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:999px;padding:11px 18px;color:#fff;font-size:14px;
}
.subscribe input::placeholder{color:rgba(255,255,255,.36)}
.subscribe input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(166,255,63,.18)}
.footer-bottom{
  margin-top:60px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.44);font-family:var(--mono);letter-spacing:.04em;
}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media screen and (max-width:1280px){
  .hero-inner{gap:40px}
}
@media screen and (max-width:1024px){
  .nav-links{display:none}
  .nav-actions .btn-outline-dark,.nav-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .hero-inner{grid-template-columns:1fr;padding-top:64px;padding-bottom:64px}
  .hero-media{max-width:640px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .stat:nth-child(2){border-right:0;padding-right:0}
  .tickets{grid-template-columns:1fr;gap:22px}
  .ticket--best{transform:none;animation:none}
  .signup-grid{grid-template-columns:1fr;gap:40px}
  .posts-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:44px 0}
  .footer-col{padding:0 24px}
  .footer-col:nth-child(odd){padding-left:0;border-left:0}
  .footer-col:nth-child(even){padding-right:0}
}
@media screen and (max-width:768px){
  body{font-size:16px}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .wrap{padding:0 18px}
  .brand-text{font-size:16px}
  .hero h1{font-size:clamp(30px,8vw,40px)}
  .hero-sub{font-size:17px}
  .hero-meta{gap:10px 22px}
  .timeline::before{left:8px}
  .tl-item{grid-template-columns:1fr;padding-left:32px;padding-bottom:26px}
  .tl-time{text-align:left;padding:0 0 8px}
  .tl-node{position:absolute;left:0;margin-left:0;justify-content:flex-start;padding-top:4px}
  .tl-item{position:relative}
  .tl-node::before{width:11px;height:11px}
  .people-scroller{gap:16px}
  .person{flex:0 0 244px}
  .posts-head{align-items:flex-start}
  .post-card--mini{grid-template-columns:110px 1fr}
  .faq .accordion-title{font-size:16.5px;padding:18px 54px 18px 20px}
  .faq .accordion-title::before{right:18px;top:18px}
  .cta-inner{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:36px 0}
  .footer-col{padding:0!important;border-left:0!important;border-top:1px solid rgba(255,255,255,.08);padding-top:28px!important}
  .footer-col:first-child{border-top:0;padding-top:0!important}
}
@media screen and (max-width:520px){
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .subscribe{flex-direction:column}
  .subscribe .btn{width:100%}
  .stats-grid{grid-template-columns:1fr;gap:26px}
  .stat{border-right:0;padding-right:0;border-bottom:1px solid var(--line-light);padding-bottom:22px}
  .stat:last-child{border-bottom:0;padding-bottom:0}
  .post-card--mini{grid-template-columns:1fr}
  .post-card--mini .post-thumb img{aspect-ratio:16/9}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0D0C;
  --ink-700:#16191A;
  --ink-600:#1E2220;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --neon:#A6FF3F;
  --jade:#0FB89B;
  --cinnabar:#E4572E;
  --t1:#101312;
  --t2:#4A514E;
  --t3:#8A918D;
  --line-light:rgba(16,19,18,.10);
  --line-dark:rgba(255,255,255,.12);
  --r-card:14px;
  --r-input:10px;
  --r-tag:6px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(16,19,18,.06),0 12px 32px rgba(16,19,18,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --maxw:1200px;
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',Georgia,serif;
  --font-sans:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono','SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover,a:focus{color:inherit}
p{margin:0 0 1.1em}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:800;color:var(--t1);margin:0;letter-spacing:-.01em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.mono{font-family:var(--font-mono);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-xs{padding:48px 0}
.sec-head{margin-bottom:40px;max-width:820px}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;margin-bottom:14px}
.sec-head p{color:var(--t2);font-size:17px;margin:0}
.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--jade);margin:0 0 14px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--neon);outline-offset:3px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--neon);color:#0B0D0C;box-shadow:0 6px 18px rgba(166,255,63,.18)}
.btn-primary:hover{background:#B8FF66;color:#0B0D0C;transform:translateY(-2px);box-shadow:0 12px 30px rgba(166,255,63,.34)}
.btn-ghost{background:transparent;color:#fff;border-color:var(--line-dark)}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-2px)}
.btn-light{background:var(--paper);color:var(--ink-900)}
.btn-light:hover{background:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.28)}
.btn-line{background:transparent;color:var(--t1);border-color:var(--line-light)}
.btn-line:hover{border-color:var(--t1);transform:translateY(-2px)}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--t1);position:relative}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--neon);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.link-arrow:hover{color:#0E1A0B}
.link-arrow:hover::after{transform:scaleX(1)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,13,12,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-dark);
}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:26px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.brand-mark i{display:block;width:5px;background:var(--neon);border-radius:2px}
.brand-mark i:nth-child(1){height:11px;opacity:.65}
.brand-mark i:nth-child(2){height:17px}
.brand-mark i:nth-child(3){height:22px;background:var(--jade)}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:800;color:#fff;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-links a{position:relative;padding:10px 15px;color:#B4BCB8;font-size:15px;font-weight:500;transition:color .2s var(--ease)}
.nav-links a::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:var(--neon);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:#fff;text-shadow:0 0 14px rgba(166,255,63,.45)}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active::before{content:"";position:absolute;left:5px;top:50%;width:4px;height:4px;margin-top:-2px;border-radius:50%;background:var(--neon)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.header-actions .btn{min-height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line-dark);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--neon);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--neon)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  position:fixed;inset:0;z-index:200;background:var(--ink-900);
  padding:26px 24px 40px;display:none;flex-direction:column;
}
.mobile-drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px}
.drawer-close{
  width:44px;height:44px;border-radius:50%;background:transparent;
  border:1px solid var(--neon);color:var(--neon);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:16px 4px;border-bottom:1px solid var(--line-dark);
  color:#DDE3DF;font-size:18px;font-family:var(--font-serif);font-weight:700;
  opacity:0;transform:translateY(14px);
  transition:opacity .4s var(--ease),transform .4s var(--ease);
}
.mobile-drawer.is-open .drawer-nav a{opacity:1;transform:translateY(0)}
.mobile-drawer.is-open .drawer-nav a:nth-child(1){transition-delay:.04s}
.mobile-drawer.is-open .drawer-nav a:nth-child(2){transition-delay:.08s}
.mobile-drawer.is-open .drawer-nav a:nth-child(3){transition-delay:.12s}
.drawer-nav a.is-active{color:var(--neon)}
.drawer-actions{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:28px}

/* ---------- 分类首屏 ---------- */
.page-hero{position:relative;background:var(--ink-900);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;filter:saturate(.85)}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,12,.72),rgba(11,13,12,.94))}
.hero-inner{position:relative;z-index:2;padding-top:76px;padding-bottom:72px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:#96A09B;margin-bottom:26px;font-family:var(--font-mono);letter-spacing:.06em}
.breadcrumb a{color:#C6CFCA}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb span.sep{color:#59615C}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.6vw,54px);line-height:1.14;letter-spacing:-.02em;
  max-width:16em;margin-bottom:20px;
}
.hero-sub{color:#B9C2BD;font-size:17px;max-width:720px;margin:0 0 26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 28px;color:var(--neon);font-size:13px;letter-spacing:.12em;margin-bottom:32px}
.hero-meta span{position:relative}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-rule{position:relative;z-index:2;height:1px;background:linear-gradient(90deg,var(--neon),rgba(166,255,63,0))}

/* ---------- 筛选 ---------- */
.filter-bar{padding:22px 0;border-bottom:1px solid var(--line-light);background:var(--paper);position:relative;z-index:5}
.filter-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.filter-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--t3);text-transform:uppercase}
.filter-group{display:flex;flex-wrap:wrap;gap:10px;margin:0}
.filter-group .button{
  margin:0;min-height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line-light);color:var(--t2);
  font-size:14px;font-weight:600;transition:all .22s var(--ease);
}
.filter-group .button:hover{background:#fff;color:var(--t1);border-color:var(--t1);transform:translateY(-1px)}
.filter-group .button.is-active{background:var(--neon);border-color:var(--neon);color:#0B0D0C;box-shadow:0 6px 18px rgba(166,255,63,.24)}

/* ---------- 时间线 ---------- */
.agenda-layout{padding:72px 0 88px}
.timeline{--tl-x:104px;position:relative;margin:0;padding:0;list-style:none}
.timeline::before{content:"";position:absolute;left:var(--tl-x);top:12px;bottom:12px;width:2px;background:var(--line-light)}
.tl-progress{position:absolute;left:var(--tl-x);top:12px;width:2px;height:0;background:var(--neon);box-shadow:0 0 12px rgba(166,255,63,.45);transition:height .18s linear}
.tl-item{
  display:grid;grid-template-columns:88px 32px 1fr;align-items:flex-start;
  padding-bottom:30px;position:relative;
}
.tl-item:last-child{padding-bottom:0}
.tl-time{font-family:var(--font-mono);font-size:15px;letter-spacing:.06em;color:var(--t1);padding-top:20px;font-weight:700}
.tl-node{
  width:14px;height:14px;border-radius:50%;background:var(--paper);
  border:2px solid var(--jade);margin:26px auto 0;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-item:hover .tl-node{transform:scale(1.35);border-color:var(--neon);box-shadow:0 0 0 6px rgba(166,255,63,.16)}
.tl-body{
  background:var(--card);border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.tl-item:hover .tl-body{transform:translateY(-4px);border-color:rgba(15,184,155,.45)}
.tl-body h3{font-size:20px;line-height:1.35;margin-bottom:8px}
.tl-body p{color:var(--t2);font-size:15.5px;line-height:1.8;margin:0 0 14px}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.tl-meta .mono{font-size:12px;color:var(--t3);letter-spacing:.1em}
.tl-meta .link-arrow{margin-left:auto}
.tag{
  display:inline-flex;align-items:center;min-height:24px;padding:0 10px;border-radius:var(--r-tag);
  font-size:12px;letter-spacing:.12em;background:rgba(15,184,155,.10);
  color:#0B7A67;border:1px solid rgba(15,184,155,.34);font-weight:600;
}
.tag-neon{background:rgba(166,255,63,.22);color:#2F4A06;border-color:rgba(140,220,50,.5)}
.tag-ink{background:var(--ink-700);color:var(--neon);border-color:var(--line-dark)}
.tag-warn{background:rgba(228,87,46,.10);color:#B23C18;border-color:rgba(228,87,46,.36)}
.day-panel{display:none}
.day-panel.is-show{display:block;animation:fadeUp .34s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);margin-bottom:20px;
}
.side-card h3{font-size:19px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line-light)}
.side-card.dark{background:var(--ink-700);border-color:var(--line-dark);color:#fff}
.side-card.dark h3{color:#fff;border-bottom-color:var(--line-dark)}
.side-card.dark p{color:#AEB7B2}
.fact-list li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line-light);font-size:15px}
.fact-list li:last-child{border-bottom:0;padding-bottom:0}
.fact-list .k{color:var(--t3);font-size:13px;font-family:var(--font-mono);letter-spacing:.08em}
.fact-list .v{font-weight:700;font-family:var(--font-mono);letter-spacing:.04em}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:var(--r-tag);
  border:1px solid var(--line-light);background:var(--paper);font-size:13px;color:var(--t2);
  transition:all .2s var(--ease);
}
.tag-cloud a:hover{border-color:var(--neon);color:var(--t1);background:#fff;transform:translateY(-2px)}
.side-thumb{border-radius:var(--r-card);overflow:hidden;margin-bottom:16px;background:var(--paper)}
.side-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--ink-900);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;left:0;top:0;width:100%;height:1px;background:linear-gradient(90deg,var(--neon),rgba(166,255,63,0))}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark)}
.stat{background:var(--ink-900);padding:16px 24px}
.stat-num{display:block;font-family:var(--font-mono);font-size:clamp(30px,3.6vw,46px);font-weight:700;color:var(--neon);letter-spacing:.02em;line-height:1.1}
.stat-label{display:block;margin-top:8px;font-size:13px;color:#9AA39E;letter-spacing:.1em}

/* ---------- 场景与流程 ---------- */
.scene-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:start}
.scene-visual{background:var(--ink-700);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow)}
.scene-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.scene-visual .cap{padding:18px 22px;color:#C3CBC6;font-size:14px;line-height:1.7;border-top:1px solid var(--line-dark)}
.step-list{counter-reset:step}
.step-list li{position:relative;padding:0 0 26px 62px;counter-increment:step}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--neon);
  background:var(--ink-700);letter-spacing:.04em;
}
.step-list li::after{content:"";position:absolute;left:19px;top:48px;bottom:6px;width:1px;background:var(--line-light)}
.step-list li:last-child{padding-bottom:0}
.step-list li:last-child::after{display:none}
.step-list h4{font-size:19px;margin-bottom:6px}
.step-list p{color:var(--t2);font-size:15.5px;margin:0}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink-900);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:0;top:0;right:0;height:1px;background:linear-gradient(90deg,var(--neon),rgba(166,255,63,.1))}
.cta-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center;position:relative;z-index:2}
.cta-grid h2{color:#fff;font-size:clamp(26px,3.4vw,40px);line-height:1.2;margin-bottom:14px}
.cta-grid p{color:#AEB7B2;margin:0;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-ticks{display:flex;gap:22px;margin-top:22px;font-family:var(--font-mono);font-size:12px;color:#8C948F;letter-spacing:.12em}
.cta-ticks span{position:relative;padding-left:16px}
.cta-ticks span::before{content:"";position:absolute;left:0;top:50%;width:8px;height:1px;background:var(--jade)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-wrap .accordion{border:0;background:transparent}
.accordion-item{
  background:var(--card);border:1px solid var(--line-light);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.accordion-item.is-active{border-color:rgba(166,255,63,.6);box-shadow:var(--shadow)}
.accordion-item .accordion-title{
  padding:20px 56px 20px 22px;font-size:17px;font-weight:700;color:var(--t1);
  font-family:var(--font-serif);border:0;position:relative;line-height:1.5;
}
.accordion-item .accordion-title:hover{background:#FBFAF7}
.accordion-item .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--jade);line-height:1;margin:0;
  font-family:var(--font-sans);transition:transform .24s var(--ease),color .24s var(--ease);
}
.accordion-item.is-active .accordion-title::before{content:"−";color:var(--neon);transform:translateY(-50%) rotate(180deg)}
.accordion-item .accordion-content{padding:0 22px 22px;color:var(--t2);font-size:16px;line-height:1.85;border:0;background:transparent}
.accordion-item.is-active .accordion-content{border-left:3px solid var(--neon);margin-left:22px;padding-left:19px}
.accordion-item .accordion-content p:last-child{margin-bottom:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#ADB5B1;padding:72px 0 28px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.4fr;gap:0}
.footer-col{padding:0 26px;border-left:1px solid var(--line-dark)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-family:var(--font-serif);font-size:18px;font-weight:800;color:#fff}
.footer-col p{font-size:14.5px;line-height:1.8;color:#8F9893;margin:0}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:700;font-family:var(--font-sans)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:#A7B0AB;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:var(--neon);padding-left:4px}
.footer-contact div{font-size:14.5px;color:#A7B0AB;margin-bottom:10px;line-height:1.7}
.footer-contact span{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:#6D7772;text-transform:uppercase;margin-bottom:2px}
.subscribe{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 160px;min-height:44px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);color:#fff;font-size:14px;
}
.subscribe input::placeholder{color:#79837E}
.subscribe input:focus{border-color:var(--neon);outline:none;box-shadow:0 0 0 3px rgba(166,255,63,.16)}
.subscribe .btn{min-height:44px;padding:0 20px;font-size:14px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#6D7772;font-family:var(--font-mono);letter-spacing:.08em;
}

/* ---------- 滚动动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .footer-col{padding:0 18px}
}
@media (max-width:1023px){
  .nav-links,.header-actions{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:60px;gap:14px;justify-content:space-between}
  .brand-text{font-size:17px}
  .section{padding:72px 0}
  .agenda-layout{padding:52px 0 64px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr;gap:28px}
  .cta-grid{grid-template-columns:1fr;gap:26px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 0}
  .footer-col{padding:0 20px}
  .footer-col:nth-child(odd){padding-left:0;border-left:0;clear:both}
  .footer-col:nth-child(even){padding-right:0}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .hero-inner{padding-top:52px;padding-bottom:52px}
  .hero-actions .btn{flex:1 1 100%}
  .timeline{--tl-x:9px}
  .tl-item{display:block;padding-left:34px;padding-bottom:22px}
  .tl-time{padding-top:0;margin-bottom:8px;font-size:14px}
  .tl-node{position:absolute;left:1px;top:6px;margin:0}
  .tl-body{padding:18px 18px}
  .tl-meta .link-arrow{margin-left:0;width:100%}
  .accordion-item .accordion-title{padding:16px 48px 16px 18px;font-size:16px}
  .accordion-item .accordion-content{padding:0 18px 18px}
  .accordion-item.is-active .accordion-content{margin-left:18px;padding-left:15px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{padding:14px 18px}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer-col{padding:24px 0;border-left:0;border-top:1px solid var(--line-dark)}
  .footer-col:first-child{border-top:0;padding-top:0}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:519px){
  .hero-meta{gap:6px 18px;font-size:12px}
  .filter-inner{gap:12px}
  .filter-group .button{padding:0 14px;font-size:13px}
  .stats-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink-900:#0B0D0C;
  --ink-700:#16191A;
  --ink-600:#1E2220;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --neon:#A6FF3F;
  --jade:#0FB89B;
  --cinnabar:#E4572E;
  --t1:#101312;
  --t2:#4A514E;
  --t3:#8A918D;
  --line:rgba(16,19,18,.10);
  --line-dark:rgba(255,255,255,.12);
  --r-card:14px;
  --r-img:14px;
  --r-input:10px;
  --r-badge:6px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(16,19,18,.06),0 12px 32px rgba(16,19,18,.08);
  --shadow-hi:0 2px 4px rgba(16,19,18,.08),0 22px 46px rgba(16,19,18,.12);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
input,select,textarea{font:inherit}
::selection{background:var(--neon);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono);letter-spacing:.06em;font-size:13px}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,13,12,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-dark);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.brand-mark i{display:block;width:5px;border-radius:2px;background:var(--neon)}
.brand-mark i:nth-child(1){height:12px}
.brand-mark i:nth-child(2){height:21px;background:var(--jade)}
.brand-mark i:nth-child(3){height:16px}
.brand-text{font-family:var(--font-serif);font-weight:800;font-size:17px;color:#fff;letter-spacing:.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links > a{
  position:relative;font-size:15px;color:var(--t3);padding:8px 0;
  transition:color .22s var(--ease);
}
.nav-links > a::before{
  content:"";position:absolute;left:-13px;top:50%;width:5px;height:5px;border-radius:50%;
  background:var(--neon);transform:translateY(-50%) scale(0);transition:transform .22s var(--ease);
}
.nav-links > a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--neon);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-links > a:hover{color:#fff}
.nav-links > a.is-active{color:#fff;text-shadow:0 0 14px rgba(166,255,63,.55)}
.nav-links > a.is-active::before{transform:translateY(-50%) scale(1)}
.nav-links > a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-mobile-cta{display:none}

.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:500;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--neon);color:var(--ink-900);font-weight:700}
.btn-primary:hover{transform:translateY(-2px);background:#B8FF66;box-shadow:0 0 0 1px rgba(166,255,63,.5),0 10px 30px rgba(166,255,63,.28);color:var(--ink-900)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--t1);border-color:var(--line)}
.btn-outline:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px)}
.btn-dark{background:var(--ink-900);color:#fff}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.24);background:transparent;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative;transition:background .2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;transition:transform .24s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"]{border-color:var(--neon)}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);background:var(--neon)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);background:var(--neon)}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;background:var(--ink-900);color:#fff;
  padding:36px 0 52px;overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.26;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,.72) 0%,rgba(11,13,12,.94) 78%,rgba(11,13,12,1) 100%);
}
.article-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--t3);margin-bottom:26px}
.crumb a{color:var(--t3);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--neon)}
.crumb span.sep{color:rgba(255,255,255,.24)}
.crumb .crumb-current{color:#E6E9E5;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-family:var(--font-serif);font-weight:900;
  font-size:clamp(30px,4.6vw,54px);line-height:1.16;letter-spacing:-.02em;
  color:#fff;max-width:18em;margin-bottom:26px;
}
.meta-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-badge);font-size:12px;letter-spacing:.12em;
  background:rgba(166,255,63,.12);color:var(--neon);border:1px solid rgba(166,255,63,.45);
}
.badge-solid{background:var(--neon);color:var(--ink-900);border-color:var(--neon);font-weight:700}
.badge-jade{background:rgba(15,184,155,.14);color:#6FE3D0;border-color:rgba(15,184,155,.5)}
.meta-item{font-family:var(--font-mono);font-size:13px;color:var(--t3);letter-spacing:.06em}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.28)}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.24);
  background:transparent;color:#E6E9E5;font-size:13px;cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.share-btn:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-2px)}

/* ---------- Article layout ---------- */
.article-main{padding:72px 0 0}
.article-grid{display:flex;flex-wrap:wrap;margin:0 -18px;align-items:flex-start}
.article-grid > .cell{padding:0 18px}
.article-col{width:100%}
.side-col{width:100%}
@media screen and (min-width:1024px){
  .article-col{width:66.6667%}
  .side-col{width:33.3333%}
}

.article-body{font-size:17.5px;line-height:1.9;color:var(--t1);max-width:820px;counter-reset:h3}
.article-body > * + *{margin-top:1.35em}
.article-body p{color:#1B1F1D}
.article-body h2{
  position:relative;font-family:var(--font-serif);font-weight:800;
  font-size:clamp(24px,2.6vw,32px);line-height:1.35;color:var(--t1);
  margin-top:2.1em;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  background:var(--neon);border-radius:2px;
}
.article-body h3{
  font-family:var(--font-serif);font-weight:700;font-size:22px;line-height:1.45;
  margin-top:1.7em;counter-increment:h3;
}
.article-body h3::before{
  content:counter(h3,decimal-leading-zero) " / ";
  font-family:var(--font-mono);font-size:.74em;color:var(--jade);letter-spacing:.08em;
}
.article-body h4{font-family:var(--font-serif);font-size:19px;font-weight:700;margin-top:1.5em}
.article-body a{color:var(--t1);border-bottom:1px solid var(--neon);transition:color .2s var(--ease),border-color .2s var(--ease)}
.article-body a:hover{color:var(--jade);border-color:var(--jade)}
.article-body strong{font-weight:700;color:var(--t1)}
.article-body blockquote{
  margin:1.7em 0;padding:22px 26px;background:var(--card);
  border-left:4px solid var(--jade);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--t2);box-shadow:var(--shadow);
}
.article-body blockquote p{color:var(--t2)}
.article-body ul{list-style:none}
.article-body ul li{position:relative;padding-left:22px;margin:.55em 0}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--neon);
}
.article-body ol{list-style:decimal;padding-left:1.4em}
.article-body ol li{margin:.55em 0;padding-left:.3em}
.article-body ol li::marker{color:var(--jade);font-family:var(--font-mono);font-size:.9em}
.article-body img{border-radius:var(--r-img);margin:1.7em auto;background:#EDEAE3}
.article-body figure{margin:1.7em 0}
.article-body figure img{margin-bottom:10px}
.article-body figcaption{text-align:center;font-size:13px;color:var(--t3);line-height:1.7}
.article-body table{
  width:100%;border-collapse:collapse;background:var(--card);
  border-radius:12px;overflow:hidden;font-size:15.5px;box-shadow:var(--shadow);
}
.article-body thead th{
  background:var(--ink-900);color:var(--neon);font-family:var(--font-mono);
  font-size:12.5px;font-weight:500;letter-spacing:.1em;text-align:left;
  padding:13px 16px;white-space:nowrap;
}
.article-body tbody td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--t2);vertical-align:top}
.article-body tbody tr:nth-child(even){background:#FBFAF7}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

.empty-state{
  background:var(--card);border:1px dashed rgba(16,19,18,.22);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;min-height:260px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
}
.empty-state .mark{width:44px;height:44px;border-radius:12px;background:var(--ink-900);display:flex;align-items:center;justify-content:center}
.empty-state .mark i{display:block;width:16px;height:2px;background:var(--neon);box-shadow:0 -6px 0 var(--neon),0 6px 0 var(--neon)}
.empty-state h2{font-family:var(--font-serif);font-size:24px}
.empty-state p{color:var(--t2);max-width:36ch}

/* ---------- Article extras ---------- */
.article-extras{margin-top:56px;max-width:820px}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-top:28px;border-top:1px solid var(--line)}
.tag-row .label{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--t3)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-badge);
  font-size:13px;color:var(--t2);background:var(--card);border:1px solid var(--line);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{border-color:var(--neon);color:var(--t1);transform:translateY(-2px)}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px;max-width:820px}
.post-nav a{
  display:block;padding:22px 24px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.post-nav a:hover{transform:translateY(-3px);border-color:rgba(166,255,63,.6);box-shadow:var(--shadow)}
.post-nav .dir{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--jade)}
.post-nav .ttl{display:block;margin-top:10px;font-family:var(--font-serif);font-weight:700;font-size:17px;line-height:1.5;color:var(--t1)}
.post-nav .next{text-align:right}

.back-row{margin-top:36px}
.back-link{
  display:inline-flex;align-items:center;gap:10px;font-size:15px;color:var(--t2);
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.back-link:hover{color:var(--t1);border-color:var(--neon)}

/* ---------- Sidebar ---------- */
.side-sticky{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
}
.side-card.dark{background:var(--ink-700);border-color:var(--line-dark);color:#DDE3DF}
.side-card.dark .side-title{color:#fff}
.side-title{
  font-family:var(--font-serif);font-size:17px;font-weight:800;color:var(--t1);
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--neon)}
.side-links{display:flex;flex-direction:column}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--t2);
  transition:color .2s var(--ease),padding .2s var(--ease);
}
.side-card.dark .side-links a{border-bottom-color:var(--line-dark);color:#C6CCC8}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--t1);padding-left:6px}
.side-card.dark .side-links a:hover{color:var(--neon)}
.side-links a .arrow{font-family:var(--font-mono);font-size:13px;color:var(--jade)}
.side-note{font-size:13.5px;line-height:1.8;color:var(--t3);margin-top:4px}
.side-card.dark .side-note{color:#98A09B}

/* ---------- Section head ---------- */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{
  font-family:var(--font-serif);font-weight:800;font-size:clamp(26px,3vw,38px);
  line-height:1.25;letter-spacing:-.01em;color:var(--t1);
}
.section-head p{color:var(--t2);font-size:16px;margin-top:10px;max-width:56ch}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);
  font-size:12px;letter-spacing:.16em;color:var(--jade);margin-bottom:12px;
}
.section-head .kicker::before{content:"";width:22px;height:2px;background:var(--neon)}
.link-more{
  font-size:14.5px;color:var(--t2);border-bottom:1px solid var(--line);
  padding-bottom:3px;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-more:hover{color:var(--t1);border-color:var(--neon)}

/* ---------- Related cards ---------- */
.rel-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hi)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EDEAE3}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card .cat{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--jade)}
.post-card h3{
  font-family:var(--font-serif);font-size:19px;font-weight:700;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s var(--ease);
}
.post-card:hover h3{color:var(--jade)}
.post-card p{
  font-size:14.5px;color:var(--t2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-family:var(--font-mono);font-size:12px;color:var(--t3);letter-spacing:.06em;
}
.post-card .meta .go{color:var(--jade)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.accordion{border:0;background:transparent;margin:0}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);
  margin-bottom:12px;overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.accordion .accordion-item.is-active{border-color:rgba(166,255,63,.55);box-shadow:var(--shadow)}
.accordion .accordion-title{
  position:relative;border:0;background:transparent;padding:20px 58px 20px 24px;
  font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--t1);line-height:1.55;
}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-family:var(--font-mono);font-size:22px;line-height:1;color:var(--jade);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::before{color:var(--neon);transform:translateY(-50%) rotate(45deg)}
.accordion .accordion-item.is-active .accordion-title::after{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--neon);border-radius:2px;
}
.accordion .accordion-content{border:0;background:transparent;padding:0 24px 22px;color:var(--t2);line-height:1.85;font-size:15.5px}
.accordion .accordion-content p + p{margin-top:12px}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;margin-top:88px;background:var(--ink-900);color:#fff;padding:64px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(166,255,63,.8),transparent);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,184,155,.24),transparent 68%);
}
.cta-grid{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-grid h2{font-family:var(--font-serif);font-weight:800;font-size:clamp(24px,3vw,36px);line-height:1.3;color:#fff;max-width:22ch}
.cta-grid p{color:#B9C0BC;margin-top:12px;max-width:46ch;font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:#C9CFCB;padding:72px 0 0;margin-top:0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:0}
.footer-col{padding:0 30px;border-left:1px solid var(--line-dark)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-col p{font-size:14.5px;line-height:1.85;color:#98A09B;max-width:34ch}
.footer-col h4{
  font-family:var(--font-serif);font-size:15px;font-weight:700;color:#fff;
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14.5px;color:#98A09B;transition:color .2s var(--ease),padding .2s var(--ease)}
.footer-links a:hover{color:var(--neon);padding-left:5px}
.footer-contact{display:flex;flex-direction:column;gap:14px;font-size:14.5px;color:#C9CFCB}
.footer-contact div{display:flex;flex-direction:column;gap:3px;line-height:1.7}
.footer-contact span{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--jade)}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.subscribe input{
  flex:1 1 150px;min-height:44px;background:transparent;border:0;border-bottom:1px solid var(--line-dark);
  color:#fff;padding:10px 4px;border-radius:0;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.subscribe input::placeholder{color:#6E7671}
.subscribe input:focus{outline:none;border-bottom-color:var(--neon);box-shadow:0 1px 0 var(--neon)}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:12.5px;color:#6E7671;letter-spacing:.06em;
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media screen and (max-width:1279px){
  .rel-grid{grid-template-columns:1fr 1fr}
  .rel-grid .post-card:first-child{grid-column:1 / -1}
  .rel-grid .post-card:first-child .thumb{aspect-ratio:21/9}
}
@media screen and (max-width:1023px){
  .site-header .wrap{height:60px}
  .nav-toggle{display:inline-flex}
  .nav-actions{display:none}
  .nav-links{
    position:fixed;left:0;right:0;top:60px;bottom:0;background:rgba(11,13,12,.985);
    flex-direction:column;align-items:flex-start;gap:0;padding:28px 24px 40px;
    transform:translateY(-10px);opacity:0;pointer-events:none;overflow-y:auto;
    transition:opacity .26s var(--ease),transform .26s var(--ease);
  }
  .nav-links.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav-links > a{
    width:100%;font-size:18px;font-family:var(--font-serif);font-weight:700;color:#E6E9E5;
    padding:18px 0;border-bottom:1px solid var(--line-dark);
    opacity:0;transform:translateY(12px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),color .2s var(--ease);
  }
  .nav-links.is-open > a{opacity:1;transform:none}
  .nav-links.is-open > a:nth-child(1){transition-delay:.04s}
  .nav-links.is-open > a:nth-child(2){transition-delay:.08s}
  .nav-links.is-open > a:nth-child(3){transition-delay:.12s}
  .nav-links > a::before,.nav-links > a::after{display:none}
  .nav-links > a.is-active{color:var(--neon)}
  .nav-mobile-cta{display:flex;flex-direction:column;gap:12px;width:100%;margin-top:26px;opacity:0;transition:opacity .3s var(--ease) .16s}
  .nav-links.is-open .nav-mobile-cta{opacity:1}
  .nav-mobile-cta .btn{width:100%}
  .side-sticky{position:static;margin-top:40px}
  .article-body{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:40px}
  .footer-col{padding:0 24px}
  .footer-col:nth-child(odd){padding-left:0;border-left:0}
  .footer-col:nth-child(even){padding-right:0}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .article-hero{padding:26px 0 38px}
  .article-main{padding:48px 0 0}
  .article-grid{margin:0}
  .article-grid > .cell{padding:0}
  .article-body{font-size:16.5px;line-height:1.88}
  .post-nav{grid-template-columns:1fr}
  .post-nav .next{text-align:left}
  .rel-grid{grid-template-columns:1fr}
  .rel-grid .post-card:first-child .thumb{aspect-ratio:16/9}
  .section{padding:52px 0 0}
  .cta-band{margin-top:60px;padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;row-gap:0}
  .footer-col{padding:26px 0;border-left:0;border-top:1px solid var(--line-dark)}
  .footer-col:first-child{border-top:0;padding-top:0}
  .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:36px}
}
@media screen and (max-width:520px){
  .article-hero h1{font-size:27px}
  .crumb .crumb-current{max-width:100%;white-space:normal}
  .meta-row{gap:10px}
  .share-btn{width:100%;justify-content:center}
  .side-card{padding:20px}
  .subscribe{flex-direction:column}
  .subscribe .btn{width:100%}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B0D0C;
  --ink-700:#16191A;
  --ink-600:#1E2220;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --neon:#A6FF3F;
  --jade:#0FB89B;
  --cinnabar:#E4572E;
  --t1:#101312;
  --t2:#4A514E;
  --t3:#8A918D;
  --line:rgba(16,19,18,.10);
  --line-dark:rgba(255,255,255,.12);
  --r-card:14px;
  --r-input:10px;
  --r-tag:6px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,19,18,.06);
  --shadow-2:0 12px 32px rgba(16,19,18,.08);
  --wrap:1200px;
  --read:800px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button,input,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:800;letter-spacing:-.02em;line-height:1.22;margin:0;color:var(--t1);}
p{margin:0 0 20px;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:4px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.read{max-width:var(--read);margin:0 auto;}
.mono{font-family:var(--mono);letter-spacing:.08em;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,13,12,.93);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-dark);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;color:#fff;}
.brand-mark{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,1fr);gap:3px;width:26px;height:26px;}
.brand-mark i{display:block;border-radius:2px;background:var(--neon);}
.brand-mark i:nth-child(2){background:var(--jade);}
.brand-mark i:nth-child(3){background:rgba(255,255,255,.45);}
.brand-text{font-family:var(--serif);font-weight:900;font-size:17.5px;letter-spacing:.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-links a{
  position:relative;padding:8px 0;font-size:15px;color:rgba(255,255,255,.56);
  transition:color .22s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--neon);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-links a::before{
  content:"";position:absolute;left:-13px;top:50%;width:5px;height:5px;border-radius:50%;
  background:var(--neon);transform:translateY(-50%) scale(0);
  transition:transform .22s var(--ease);
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:#fff;text-shadow:0 0 14px rgba(166,255,63,.45);}
.nav-links a.is-active::before{transform:translateY(-50%) scale(1);}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-dark);background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;transition:transform .22s var(--ease),opacity .22s;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--neon);color:#0B0D0C;box-shadow:0 1px 2px rgba(0,0,0,.18);}
.btn-primary:hover{transform:translateY(-2px);background:#b8ff63;box-shadow:0 10px 26px rgba(166,255,63,.34);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:rgba(16,19,18,.22);color:var(--t1);}
.btn-outline:hover{background:var(--t1);border-color:var(--t1);color:#fff;transform:translateY(-2px);}
.btn-paper{background:var(--paper);color:var(--t1);}
.btn-paper:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.28);}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--t1);
  padding-bottom:3px;border-bottom:1px solid transparent;
  background-image:linear-gradient(var(--neon),var(--neon));
  background-repeat:no-repeat;background-size:0 2px;background-position:left bottom;
  transition:background-size .26s var(--ease),color .2s;
}
.btn-text:hover{background-size:100% 2px;color:var(--t1);}

/* ============ Hero ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;border-bottom:1px solid var(--line-dark);}
.cat-hero .hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;opacity:.26;}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,13,12,.96) 0%,rgba(11,13,12,.74) 52%,rgba(11,13,12,.5) 100%);}
.hero-inner{position:relative;z-index:2;padding:76px 0 68px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--neon);margin-bottom:22px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--neon);display:block;}
.cat-hero h1{color:#fff;font-size:clamp(34px,5.2vw,60px);line-height:1.08;max-width:16em;margin-bottom:22px;}
.hero-sub{color:rgba(255,255,255,.74);font-size:18px;max-width:44em;margin-bottom:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-bottom:32px;}
.hero-meta li{
  font-family:var(--mono);font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.62);
  padding-left:14px;position:relative;
}
.hero-meta li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:5px;height:5px;background:var(--jade);border-radius:1px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 数据条 ============ */
.stat-bar{background:var(--card);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:28px 24px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-family:var(--mono);font-size:30px;font-weight:700;letter-spacing:.02em;color:var(--t1);display:block;line-height:1.1;}
.stat-num em{font-style:normal;font-size:15px;color:var(--jade);margin-left:4px;letter-spacing:.06em;}
.stat-label{display:block;font-size:13.5px;color:var(--t3);margin-top:8px;letter-spacing:.06em;}

/* ============ 通用区块 ============ */
.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.section-alt{background:#F1EEE7;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.section-head .kicker{
  display:block;font-family:var(--mono);font-size:12.5px;letter-spacing:.18em;
  color:var(--jade);margin-bottom:14px;text-transform:uppercase;
}
.section-head h2{font-size:clamp(28px,3.4vw,40px);max-width:20em;}
.section-head p{color:var(--t2);max-width:44em;margin:14px 0 0;font-size:16.5px;}

/* ============ 对比矩阵 ============ */
.matrix-scroll{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);box-shadow:var(--shadow-2);
  -webkit-overflow-scrolling:touch;
}
table.matrix{border-collapse:separate;border-spacing:0;width:100%;min-width:860px;font-size:15px;}
table.matrix th,table.matrix td{padding:15px 18px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--line);}
table.matrix thead th{
  background:var(--ink-900);color:#fff;font-family:var(--serif);font-weight:800;font-size:16px;
  position:sticky;top:0;z-index:2;border-bottom:0;
}
table.matrix thead th small{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:rgba(255,255,255,.5);font-weight:400;margin-top:6px;}
table.matrix tbody tr:last-child td{border-bottom:0;}
table.matrix tbody tr:nth-child(even) td{background:rgba(246,244,239,.72);}
table.matrix tbody td:first-child,
table.matrix thead th:first-child{
  position:sticky;left:0;z-index:3;background:var(--card);
  border-right:1px solid var(--line);min-width:158px;font-weight:600;color:var(--t1);
}
table.matrix tbody tr:nth-child(even) td:first-child{background:#FBFAF6;}
table.matrix thead th:first-child{background:var(--ink-900);color:#fff;}
.col-reco{background:rgba(166,255,63,.08)!important;border-left:1px solid rgba(166,255,63,.55);border-right:1px solid rgba(166,255,63,.55);}
thead th.col-reco{
  background:var(--neon)!important;color:#0B0D0C!important;
  animation:breathe 5.2s ease-in-out infinite;position:sticky;
}
thead th.col-reco small{color:rgba(11,13,12,.6);}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(166,255,63,0);}
  50%{box-shadow:0 0 22px 0 rgba(166,255,63,.28);}
}
.reco-tag{
  display:inline-block;background:var(--cinnabar);color:#fff;font-size:11px;letter-spacing:.12em;
  border-radius:var(--r-tag);padding:2px 8px;margin-left:8px;vertical-align:middle;font-family:var(--mono);
}
.ok{color:var(--jade);font-weight:700;}
.no{color:var(--t3);}
.matrix-note{
  display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:20px;
  font-size:13.5px;color:var(--t3);
}
.matrix-note span{display:inline-flex;align-items:center;gap:8px;}
.matrix-note span::before{content:"";width:6px;height:6px;background:var(--jade);border-radius:1px;display:block;}

/* ============ 功能卡片区 ============ */
.feature-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:26px;}
.feature-main{
  position:relative;overflow:hidden;border-radius:var(--r-card);background:var(--ink-900);
  color:#fff;min-height:380px;display:flex;align-items:flex-end;box-shadow:var(--shadow-2);
}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.44;transition:transform .5s var(--ease);}
.feature-main:hover img{transform:scale(1.03);}
.feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,12,.15) 0%,rgba(11,13,12,.92) 78%);}
.feature-body{position:relative;z-index:2;padding:34px;}
.feature-body h3{color:#fff;font-size:24px;margin-bottom:12px;}
.feature-body p{color:rgba(255,255,255,.72);font-size:15.5px;margin:0;}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:26px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,184,155,.4);}
.side-card .tag{
  display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;
  color:var(--jade);border:1px solid rgba(15,184,155,.45);border-radius:var(--r-tag);
  padding:3px 10px;margin-bottom:14px;
}
.side-card h3{font-size:20px;margin-bottom:10px;}
.side-card p{color:var(--t2);font-size:15px;margin:0;}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);}
.step{padding:30px 26px 4px;border-right:1px solid var(--line);position:relative;}
.step:last-child{border-right:0;}
.step::before{
  content:"";position:absolute;top:-4px;left:26px;width:7px;height:7px;
  background:var(--neon);border-radius:50%;transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover::before{transform:scale(1.5);box-shadow:0 0 14px rgba(166,255,63,.7);}
.step-num{display:block;font-family:var(--mono);font-size:12.5px;letter-spacing:.18em;color:var(--jade);margin-bottom:16px;}
.step h3{font-size:20px;margin-bottom:10px;}
.step p{color:var(--t2);font-size:15.5px;margin:0;}

/* ============ 须知分栏 ============ */
.notice-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;}
.rule-list li{
  position:relative;padding:14px 0 14px 26px;border-bottom:1px dashed var(--line);
  color:var(--t2);font-size:16px;
}
.rule-list li:last-child{border-bottom:0;}
.rule-list li::before{
  content:"";position:absolute;left:0;top:24px;width:9px;height:9px;background:var(--neon);border-radius:2px;
}
.date-panel{background:var(--ink-900);border-radius:var(--r-card);padding:30px;color:#fff;box-shadow:var(--shadow-2);}
.date-panel h3{color:#fff;font-size:20px;margin-bottom:8px;}
.date-panel .hint{color:rgba(255,255,255,.55);font-size:13.5px;margin:0 0 18px;}
.date-list li{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line-dark);font-size:15px;}
.date-list li:last-child{border-bottom:0;}
.date-list .d{font-family:var(--mono);font-size:13.5px;color:var(--neon);letter-spacing:.06em;white-space:nowrap;}
.date-list .t{color:rgba(255,255,255,.78);}

/* ============ FAQ ============ */
.faq-accordion{background:transparent;border:0;}
.faq-accordion .accordion-item{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:rgba(15,184,155,.4);box-shadow:var(--shadow-1);}
.faq-accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--neon);
  transform:scaleY(0);transform-origin:top;transition:transform .26s var(--ease);
}
.faq-accordion .accordion-item.is-open::before{transform:scaleY(1);}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;border:0;background:transparent;color:var(--t1);
  font-family:var(--serif);font-weight:700;font-size:18px;line-height:1.5;
}
.faq-accordion .accordion-title:hover{background:transparent;color:var(--t1);}
.faq-accordion .accordion-title::after{
  content:"+";font-family:var(--mono);font-size:22px;color:var(--jade);
  transition:transform .26s var(--ease),color .26s var(--ease);flex-shrink:0;
}
.faq-accordion .accordion-item.is-open .accordion-title::after{content:"−";color:var(--neon);transform:rotate(180deg);}
.faq-accordion .accordion-item.is-open .accordion-title{font-weight:900;}
.faq-accordion .accordion-content{
  display:block;max-height:0;overflow:hidden;padding:0;border:0;background:transparent;
  transition:max-height .32s var(--ease),padding .32s var(--ease);
}
.faq-accordion .accordion-item.is-open .accordion-content{max-height:460px;padding:0 24px 22px;}
.faq-accordion .accordion-content p{margin:0;color:var(--t2);font-size:16px;line-height:1.85;}

/* ============ CTA ============ */
.cta-band{position:relative;background:var(--ink-900);color:#fff;overflow:hidden;}
.cta-band::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--neon);opacity:.75;}
.cta-band::after{
  content:"第 12 届";position:absolute;right:-10px;bottom:-24px;
  font-family:var(--mono);font-size:110px;letter-spacing:.04em;color:rgba(255,255,255,.04);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;padding:68px 0;}
.cta-inner h2{color:#fff;font-size:clamp(26px,3.2vw,38px);max-width:18em;margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.7);margin:0;max-width:36em;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.7);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.15fr 1.3fr;gap:40px;
  padding:64px 0 48px;border-bottom:1px solid var(--line-dark);
}
.footer-col + .footer-col{border-left:1px solid var(--line-dark);padding-left:32px;}
.footer-col h4{
  font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.14em;
  color:#fff;margin-bottom:18px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px;}
.footer-brand .brand-text{font-size:16.5px;}
.footer-col p{font-size:14.5px;color:rgba(255,255,255,.58);margin:0;}
.footer-links a{display:block;padding:7px 0;font-size:14.5px;color:rgba(255,255,255,.62);}
.footer-links a:hover{color:var(--neon);}
.footer-contact div{display:flex;gap:12px;font-size:14.5px;padding:6px 0;color:rgba(255,255,255,.66);}
.footer-contact span{color:rgba(255,255,255,.4);min-width:78px;flex-shrink:0;}
.subscribe{display:flex;gap:8px;margin-top:14px;}
.subscribe input{
  flex:1;min-height:44px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--line-dark);background:rgba(255,255,255,.07);color:#fff;font-size:14.5px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.38);}
.subscribe input:focus{outline:0;border-color:var(--neon);background:rgba(255,255,255,.1);}
.subscribe .btn{min-height:44px;padding:0 18px;font-size:14px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0 34px;font-size:13px;color:rgba(255,255,255,.42);font-family:var(--mono);letter-spacing:.06em;
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed;left:0;right:0;top:0;bottom:0;margin:0;z-index:90;
    flex-direction:column;justify-content:center;align-items:flex-start;gap:26px;
    padding:96px 32px;background:rgba(11,13,12,.985);
    opacity:0;visibility:hidden;pointer-events:none;transition:opacity .26s var(--ease),visibility .26s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;pointer-events:auto;}
  .nav-links a{font-size:22px;font-family:var(--serif);font-weight:700;color:rgba(255,255,255,.72);}
  .nav-links a::before{left:-16px;}
  .header-actions{display:none;}
  .header-inner{height:60px;gap:16px;}
  .nav-toggle{position:relative;z-index:95;margin-left:auto;}
  .feature-grid{grid-template-columns:1fr;}
  .notice-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2){border-right:0;}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line);padding-bottom:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-col + .footer-col{border-left:0;padding-left:0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .section{padding:64px 0;}
  .section.tight{padding:48px 0;}
  .hero-inner{padding:56px 0 48px;}
  .hero-sub{font-size:16.5px;}
  .hero-actions .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .stat-item:nth-child(2n){border-right:0;}
  .stat-item:nth-child(3){border-right:1px solid var(--line);}
  .feature-side{grid-template-rows:none;grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:24px 0 22px 20px;}
  .step:last-child{border-bottom:0;}
  .step::before{left:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:52px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px;}
  .subscribe{flex-direction:column;}
  .subscribe .btn{width:100%;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0!important;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:0;}
  .hero-meta{gap:8px 18px;}
  .faq-accordion .accordion-title{font-size:16.5px;padding:18px 18px;}
  .faq-accordion .accordion-item.is-open .accordion-content{padding:0 18px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}