/* ============================================================
   AcFan鼻血版 · 深夜俱乐部
   主橙 #ff7a29 × 金橙 #ffb15c × 深咖 #16100a（左竖栏 + Bento 画面墙 + 票根）
   ============================================================ */
:root{
  --bg:#16100a;
  --bg2:#1b130b;
  --panel:#1f1710;
  --panel2:#261c12;
  --line:#372a19;
  --line2:#4a3822;
  --ink:#ffefe0;
  --dim:#b39b7f;
  --sun:#ff7a29;
  --gold:#ffb15c;
  --dark-ink:#2a1503;
  --en:'Bebas Neue',sans-serif;
  --sans:'Noto Sans SC',system-ui,'Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.75;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit}
::selection{background:var(--sun);color:var(--dark-ink)}

/* ---------- 左侧竖栏（PC） ---------- */
.rail{
  position:fixed;left:0;top:0;bottom:0;z-index:80;
  width:216px;
  background:var(--bg2);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:26px 20px 22px;
}
.rail-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:900;letter-spacing:.5px;padding-bottom:22px;border-bottom:1px dashed var(--line)}
.rail-brand img{width:34px;height:34px;border-radius:9px}
.rail-brand b{color:var(--sun)}
.rail-links{display:flex;flex-direction:column;gap:4px;margin-top:22px;flex:1}
.rail-links a{
  display:flex;align-items:center;gap:12px;
  font-size:14.5px;font-weight:500;color:var(--dim);
  padding:11px 12px;border-radius:10px;
  border-left:2px solid transparent;
  transition:.2s;
}
.rail-links a i{font-style:normal;font-family:var(--en);font-size:14px;color:var(--line2);letter-spacing:1px;transition:.2s}
.rail-links a:hover{color:var(--ink);background:rgba(255,122,41,.07)}
.rail-links a.act{color:var(--ink);background:rgba(255,122,41,.1);border-left-color:var(--sun)}
.rail-links a.act i{color:var(--sun)}
.rail-cta{border-top:1px dashed var(--line);padding-top:18px}
.rail-cta p{font-size:11.5px;color:var(--dim);text-align:center;margin-top:9px;letter-spacing:1px}

/* ---------- 移动顶栏 / 抽屉 ---------- */
.mtop{
  display:none;position:sticky;top:0;z-index:80;
  align-items:center;justify-content:space-between;
  padding:12px 18px;
  background:rgba(22,16,10,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px rgba(0,0,0,.4);
}
.mtop-brand{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:900}
.mtop-brand img{width:28px;height:28px;border-radius:7px}
.mtop-brand b{color:var(--sun)}
.mtop-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.mtop-toggle span{width:22px;height:2.5px;border-radius:2px;background:var(--sun)}
.drawer{
  position:fixed;inset:0;z-index:70;
  background:rgba(22,16,10,.97);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;
  opacity:0;pointer-events:none;transition:.25s;
}
.drawer.open{opacity:1;pointer-events:auto}
.drawer a{color:var(--ink);font-size:20px;font-weight:700;letter-spacing:2px}
.drawer a.d-cta{color:var(--sun);font-size:22px;font-weight:900}

/* ---------- 按钮 ---------- */
.btn-sun{
  display:inline-block;text-align:center;
  font-size:15px;font-weight:900;letter-spacing:1px;
  padding:13px 30px;border-radius:12px;
  background:linear-gradient(150deg,#ff9440,var(--sun) 60%,#e85f10);
  color:var(--dark-ink);
  box-shadow:0 10px 26px rgba(255,122,41,.32);transition:.2s;
}
.btn-sun:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,122,41,.45)}
.btn-sun.lg{font-size:17px;padding:16px 38px}
.btn-line{
  display:inline-block;text-align:center;
  font-size:14px;font-weight:700;letter-spacing:1px;
  padding:14px 28px;border-radius:12px;
  border:1.5px solid var(--line2);color:var(--dim);transition:.2s;
}
.btn-line:hover{border-color:var(--sun);color:var(--gold)}

/* ---------- 主区 ---------- */
main,footer,.to-top-holder{margin-left:216px}

/* ---------- 开场 ---------- */
.hero{
  max-width:1120px;margin:0 auto;
  padding:84px 28px 88px;
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;
}
.kicker{
  display:inline-block;font-family:var(--en);font-weight:400;
  font-size:13.5px;letter-spacing:4px;color:var(--gold);
  border:1px solid var(--line2);border-radius:999px;
  padding:7px 16px;background:rgba(255,122,41,.06);
}
.hero-copy h1{font-size:clamp(40px,5.6vw,64px);font-weight:900;line-height:1.12;letter-spacing:1px;margin-top:20px}
.hero-copy h1 b{color:var(--sun)}
.slogan{margin-top:12px;font-size:18px;font-weight:700;color:var(--gold);letter-spacing:2px}
.lead{margin-top:14px;font-size:14.5px;color:var(--dim);max-width:520px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.stat-row{display:flex;gap:40px;margin-top:34px}
.stat-row li{text-align:left}
.stat-row span,.stat-row b{display:block;font-family:var(--en);font-weight:400;font-size:34px;line-height:1.15;color:var(--sun)}
.stat-row i{font-style:normal;font-size:12px;color:var(--dim);letter-spacing:1.5px}

/* hero 视觉：错位双图堆叠 */
.hero-visual{position:relative;padding:26px 0 40px 40px}
.hv-big{
  width:min(340px,100%);margin-left:auto;
  background:var(--panel);border:1px solid var(--line);
  border-radius:22px;padding:12px;
  box-shadow:0 26px 60px rgba(0,0,0,.5),0 0 70px rgba(255,122,41,.1);
}
.hv-big img{border-radius:14px}
.hv-small{
  position:absolute;left:0;bottom:0;
  width:236px;
  background:var(--panel2);border:1px solid var(--line2);
  border-radius:18px;padding:9px;
  box-shadow:0 18px 44px rgba(0,0,0,.55);
  transform:rotate(-3deg);
}
.hv-small img{border-radius:11px}
.hv-badge{
  position:absolute;top:6px;left:64px;z-index:2;
  font-family:var(--en);font-size:13.5px;letter-spacing:2px;
  color:var(--dark-ink);background:var(--gold);
  border-radius:999px;padding:6px 14px;
  box-shadow:0 8px 20px rgba(255,177,92,.35);
}

/* ---------- 通用分节 ---------- */
.sec{max-width:1120px;margin:0 auto;padding:86px 28px}
.sec-deep{
  max-width:none;
  background:linear-gradient(180deg,var(--bg2),#120c06 45%,var(--bg2));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sec-deep>*{max-width:1064px;margin-left:auto;margin-right:auto}
.sec-deep>.sec-head{padding-left:28px;padding-right:28px}
.sec-deep>.board{padding-left:28px;padding-right:28px}
.sec-en{font-family:var(--en);font-weight:400;font-size:13.5px;letter-spacing:4px;color:var(--sun)}
.sec-head{margin-bottom:36px}
.sec-head h2{font-size:30px;font-weight:900;letter-spacing:2px;margin-top:6px}
.sec-head h2::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--sun),var(--gold));margin-top:12px}
.sec-sub{font-size:13.5px;color:var(--dim);margin-top:10px}

/* ---------- 01 实机画面（Bento 画面墙） ---------- */
.shots{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.shot{
  background:var(--panel);border:1px solid var(--line);
  border-radius:18px;padding:12px;
  transition:.25s;
}
.shot:hover{border-color:var(--line2);transform:translateY(-4px)}
.shot img{
  width:auto;max-width:281px;height:auto;
  margin:0 auto;border-radius:12px;
}
.shot-a{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(165deg,var(--panel2),var(--panel))}
.shot-a img{max-width:100%;box-shadow:0 18px 44px rgba(0,0,0,.4)}
.shot figcaption{
  display:flex;align-items:baseline;gap:10px;
  padding:12px 6px 4px;font-size:13px;color:var(--dim);
}
.shot figcaption i{font-style:normal;font-family:var(--en);font-size:12.5px;color:var(--sun);letter-spacing:1.5px}
.shot-cta{
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;
  text-align:center;
  background:linear-gradient(150deg,#ff9440,var(--sun) 55%,#e85f10);
  border:0;color:var(--dark-ink);
}
.shot-cta b{font-size:23px;font-weight:900;line-height:1.4;letter-spacing:1px}
.shot-cta span{font-family:var(--en);font-size:15px;letter-spacing:2px}
.shot-cta:hover{transform:translateY(-4px)}

/* ---------- 02 一周排期（7 卡） ---------- */
.week-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.wcard{
  background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:18px 14px;
  display:flex;flex-direction:column;gap:6px;
  transition:.2s;
}
.wcard b{font-family:var(--en);font-weight:400;font-size:23px;letter-spacing:1.5px;color:var(--gold)}
.wcard span{font-size:12.5px;color:var(--dim);line-height:1.5;min-height:38px}
.wcard em{font-style:normal;font-family:var(--en);font-size:15px;letter-spacing:1px;color:var(--sun);margin-top:auto}
.wcard:hover{border-color:var(--line2);transform:translateY(-3px)}
.wcard.today{
  background:linear-gradient(160deg,#ff9440,var(--sun) 60%,#e85f10);
  border-color:transparent;
  box-shadow:0 12px 30px rgba(255,122,41,.4);
}
.wcard.today b,.wcard.today span,.wcard.today em{color:var(--dark-ink)}
.wcard.today span{opacity:.85}
.wcard.today b::after{
  content:"今天";
  font-family:var(--sans);font-size:10.5px;font-weight:900;letter-spacing:1px;
  background:rgba(42,21,3,.25);border-radius:999px;
  padding:2px 8px;margin-left:7px;vertical-align:3px;
}

/* ---------- 03 观众弹幕 ---------- */
.board{max-width:760px;margin:0 auto}
.note{padding:24px 4px;border-bottom:1px dashed var(--line2)}
.note:last-child{border-bottom:0}
.note p{font-size:16.5px;line-height:1.85;color:var(--ink)}
.note b{
  display:flex;align-items:center;gap:8px;margin-top:10px;
  font-size:12.5px;font-weight:400;color:var(--dim);letter-spacing:1px;
}
.note b::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sun);flex:0 0 auto}

/* ---------- 04 常见问题 ---------- */
.qlist{max-width:760px;margin:0 auto}
.q{border-bottom:1px dashed var(--line2)}
.q summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:19px 2px;font-size:15.5px;font-weight:700;
  transition:.2s;
}
.q summary::-webkit-details-marker{display:none}
.q summary i{font-style:normal;font-family:var(--en);font-size:15px;color:var(--sun);letter-spacing:1px;flex:0 0 auto}
.q summary::after{
  content:"+";margin-left:auto;
  font-size:20px;color:var(--dim);transition:.25s;flex:0 0 auto;
}
.q summary:hover{color:var(--gold)}
.q[open] summary{color:var(--gold)}
.q[open] summary::after{transform:rotate(45deg);color:var(--sun)}
.qa{padding:0 34px 20px;font-size:14px;color:var(--dim)}

/* ---------- 05 下载票根 ---------- */
.gate{display:grid;grid-template-columns:1.05fr .8fr;gap:56px;align-items:center}
.gate-copy h2{font-size:clamp(30px,4vw,42px);font-weight:900;line-height:1.3;letter-spacing:2px;margin-top:8px}
.gate-copy .lead{margin-top:14px}
.gate-copy .cta-row{margin-top:26px}
.ticket{
  position:relative;
  background:var(--panel);border:1px solid var(--line2);
  border-radius:18px;padding:26px 26px 22px;
  box-shadow:0 24px 54px rgba(0,0,0,.5);
}
.t-top{display:flex;align-items:center;gap:13px}
.t-top img{width:40px;height:40px;border-radius:10px}
.t-top b{display:block;font-size:16.5px;font-weight:900}
.t-top span{display:block;font-family:var(--en);font-size:11.5px;letter-spacing:3px;color:var(--dim)}
.t-perf{
  position:relative;margin:20px -26px;
  border-top:2px dashed var(--line2);
}
.t-perf::before,.t-perf::after{
  content:"";position:absolute;top:-11px;
  width:22px;height:22px;border-radius:50%;
  background:var(--bg);border:1px solid var(--line2);
}
.t-perf::before{left:-12px;border-left-color:transparent}
.t-perf::after{right:-12px;border-right-color:transparent}
.t-mid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding-bottom:18px}
.t-mid i{font-style:normal;font-size:11px;color:var(--dim);letter-spacing:2px;display:block}
.t-mid b{font-size:13.5px;font-weight:700;color:var(--gold)}
.t-bar{
  height:44px;border-radius:8px;
  background:repeating-linear-gradient(90deg,var(--ink) 0 3px,transparent 3px 7px,var(--ink) 7px 9px,transparent 9px 14px);
  opacity:.8;
}
.t-no{font-family:var(--en);font-size:13px;letter-spacing:3px;color:var(--dim);text-align:center;margin-top:12px}

/* ---------- 页脚 / 回顶 ---------- */
.foot{
  max-width:1120px;margin:0 auto;
  padding:30px 28px 46px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--dim);
}
.foot nav{display:flex;gap:22px}
.foot nav a{color:var(--gold);font-weight:700}
.foot nav a:hover{color:var(--sun)}
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:44px;height:44px;border-radius:12px;
  border:0;cursor:pointer;
  background:var(--sun);color:var(--dark-ink);font-size:18px;font-weight:900;
  box-shadow:0 10px 24px rgba(255,122,41,.4);
  opacity:0;pointer-events:none;transform:translateY(12px);transition:.25s;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}

/* ---------- 进场动效 ---------- */
.rev{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.rev.in{opacity:1;transform:none}

/* ---------- 移动端 ---------- */
@media (max-width:900px){
  html{scroll-padding-top:64px}
  .rail{display:none}
  .mtop{display:flex}
  main,footer{margin-left:0}
  .hero{grid-template-columns:1fr;gap:8px;padding:56px 22px 64px}
  .hero-visual{order:2;padding:26px 0 8px 26px}
  .hv-big{margin-left:0}
  .hv-badge{left:auto;right:0}
  .stat-row{gap:28px}
  .shots{
    display:flex;overflow-x:auto;gap:14px;
    scroll-snap-type:x mandatory;padding-bottom:12px;
  }
  .shots::-webkit-scrollbar{height:6px}
  .shots::-webkit-scrollbar-thumb{background:var(--line2);border-radius:3px}
  .shot{flex:0 0 280px;scroll-snap-align:start}
  .shot-a{flex:0 0 280px}
  .shot-cta{flex:0 0 220px}
  .week-grid{
    display:flex;overflow-x:auto;gap:10px;
    scroll-snap-type:x mandatory;padding-bottom:12px;
  }
  .wcard{flex:0 0 138px;scroll-snap-align:start}
  .gate{grid-template-columns:1fr;gap:36px}
  .sec{padding:62px 22px}
  .sec-deep>.sec-head,.sec-deep>.board{padding-left:22px;padding-right:22px}
  .cta-row .btn-sun,.cta-row .btn-line{flex:1 1 100%}
  .foot{justify-content:center;text-align:center}
}