/* 888VIPBET — 恭红木 × 恭喜金 · 左右分栏（左内容流 + 右 sticky 数字瓦片墙）
   母题：卷轴窗瓦片墙 / payline 中奖线 / 金色霓虹光效 / 机柜檐口 */

:root {
  --vb-bg: #2A090E;
  --vb-bg2: #1D060A;
  --vb-panel: #3D1218;
  --vb-panel2: #521820;
  --vb-line: #7E1E27;
  --vb-gold: #F7C247;
  --vb-gold2: #FFE29A;
  --vb-cream: #FFF3D6;
  --vb-text: #F6E3D7;
  --vb-muted: #E2BBAE;
  --vb-font-d: "Vampiro One", "Georgia", serif;
  --vb-font-b: "Montserrat", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--vb-font-b);
  font-size: 16px;
  line-height: 1.75;
  color: var(--vb-text);
  background:
    radial-gradient(1100px 500px at 85% -80px, rgba(126, 30, 39, .55), transparent 70%),
    radial-gradient(900px 420px at -10% 30%, rgba(247, 194, 71, .07), transparent 65%),
    linear-gradient(180deg, var(--vb-bg) 0%, var(--vb-bg2) 100%);
  background-color: var(--vb-bg);
  min-width: 0;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--vb-gold); text-decoration: none; }
a:hover { color: var(--vb-gold2); }
a:focus-visible, summary:focus-visible { outline: 2px dashed var(--vb-gold); outline-offset: 3px; }

h1, h2, h3 { font-family: var(--vb-font-d); font-weight: 400; letter-spacing: .5px; color: var(--vb-cream); }
h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); line-height: 1.25; margin: .4em 0 .5em; text-shadow: 0 0 22px rgba(247, 194, 71, .25); }
h2 { font-size: clamp(1.35rem, 2.6vw, 1.8rem); margin: 1.6em 0 .6em; }
h2::before { content: "◆ "; color: var(--vb-gold); font-size: .8em; }
h3 { font-size: 1.05rem; margin: 0 0 .4em; color: var(--vb-gold2); font-family: var(--vb-font-b); font-weight: 700; letter-spacing: .3px; }

p { margin: 0 0 1em; overflow-wrap: break-word; }

/* ---------- 头部机柜 ---------- */

.vb-head {
  position: relative;
  background: linear-gradient(180deg, #4A1219 0%, var(--vb-bg2) 100%);
  border-bottom: 1px solid rgba(247, 194, 71, .35);
  box-shadow: 0 6px 26px rgba(0, 0, 0, .45);
}

.vb-headin {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 22px;
  min-width: 0;
}

.vb-logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }

.vb-logo-tiles {
  display: inline-flex;
  gap: 3px;
  padding: 4px;
  border: 1px solid rgba(247, 194, 71, .6);
  border-radius: 6px;
  background: #1B0508;
  box-shadow: inset 0 0 10px rgba(247, 194, 71, .18);
}
.vb-logo-tiles i {
  font-style: normal;
  font-family: var(--vb-font-d);
  font-size: .8rem;
  width: 22px;
  height: 26px;
  display: grid;
  place-items: center;
  color: var(--vb-gold);
  background: linear-gradient(180deg, #56202a, #2A090E);
  border-radius: 3px;
  border: 1px solid rgba(247, 194, 71, .35);
}

.vb-logo-word {
  font-family: var(--vb-font-d);
  font-size: 1.5rem;
  color: var(--vb-gold);
  letter-spacing: 1px;
  text-shadow: 0 0 14px rgba(247, 194, 71, .45), 0 2px 0 #7E1E27;
  white-space: nowrap;
}

.vb-nav { margin-left: auto; display: flex; gap: 20px; flex-wrap: wrap; }
.vb-nav a {
  color: var(--vb-cream);
  font-weight: 500;
  font-size: .95rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.vb-nav a:hover { color: var(--vb-gold2); }
.vb-nav a.on { color: var(--vb-gold); border-bottom-color: var(--vb-gold); text-shadow: 0 0 10px rgba(247, 194, 71, .5); }

.vb-hact { display: flex; gap: 10px; flex-shrink: 0; }

/* 机柜檐下的 payline 饰带 */
.vb-hpay {
  display: flex;
  gap: 14px;
  justify-content: center;
  padding: 5px 0 6px;
  background: rgba(0, 0, 0, .35);
}
.vb-hpay i {
  width: 64px;
  height: 3px;
  border-radius: 3px;
  background: repeating-linear-gradient(90deg, var(--vb-gold) 0 12px, transparent 12px 20px);
  opacity: .75;
  box-shadow: 0 0 8px rgba(247, 194, 71, .4);
}

/* ---------- 按钮 ---------- */

.vb-btn {
  display: inline-block;
  font-family: var(--vb-font-b);
  font-weight: 700;
  font-size: .92rem;
  padding: 9px 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, color .2s ease;
}

.vb-btn-gold {
  color: #2A090E;
  background: linear-gradient(180deg, var(--vb-gold2), var(--vb-gold));
  box-shadow: 0 0 16px rgba(247, 194, 71, .45), inset 0 1px 0 rgba(255, 255, 255, .5);
}
.vb-btn-gold:hover { color: #1D060A; transform: translateY(-1px); box-shadow: 0 0 26px rgba(247, 194, 71, .7); }

.vb-btn-line {
  color: var(--vb-gold);
  border-color: rgba(247, 194, 71, .65);
  background: rgba(247, 194, 71, .06);
}
.vb-btn-line:hover { color: var(--vb-gold2); border-color: var(--vb-gold); box-shadow: 0 0 14px rgba(247, 194, 71, .35); }

/* ---------- 移动菜单 ---------- */

.vb-burger { display: none; margin-left: auto; cursor: pointer; padding: 8px; }
.vb-burger span { display: block; width: 24px; height: 3px; margin: 4px 0; background: var(--vb-gold); border-radius: 2px; box-shadow: 0 0 8px rgba(247, 194, 71, .5); }
.vb-navtog { display: none; }
.vb-mnav { display: none; }
#vb-navtog:checked ~ .vb-mnav { display: block; }
.vb-mnav {
  padding: 6px 20px 18px;
  background: rgba(27, 5, 8, .97);
  border-top: 1px solid rgba(247, 194, 71, .2);
}
.vb-mgrp h3 { margin: 14px 0 4px; color: var(--vb-gold); font-size: .8rem; text-transform: uppercase; letter-spacing: 2px; }
.vb-mgrp a { display: block; padding: 7px 0 2px; color: var(--vb-text); font-size: .95rem; }

/* ---------- 左右分栏外壳 ---------- */

.vb-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 20px 60px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 332px;
  gap: 34px;
  align-items: start;
}

.vb-flow { min-width: 0; }

/* ---------- 右侧 sticky 数字瓦片墙 ---------- */

.vb-wall {
  position: sticky;
  top: 90px;
  align-self: start;
  min-width: 0;
  padding: 18px 16px 14px;
  border: 1px solid rgba(247, 194, 71, .45);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(126, 30, 39, .38), rgba(27, 5, 8, .55)),
    repeating-linear-gradient(0deg, rgba(247, 194, 71, .04) 0 2px, transparent 2px 7px);
  box-shadow: 0 0 30px rgba(0, 0, 0, .4), inset 0 0 22px rgba(247, 194, 71, .08);
}

.vb-wallh {
  font-size: 1.25rem;
  margin: 0 0 6px;
  text-align: center;
  color: var(--vb-gold);
  text-shadow: 0 0 16px rgba(247, 194, 71, .55);
}
.vb-wallh::before { content: ""; }

/* payline：墙顶中奖线 */
.vb-wline { display: flex; align-items: center; gap: 8px; margin: 4px 0 14px; }
.vb-wline i { width: 9px; height: 9px; border-radius: 50%; background: var(--vb-gold); box-shadow: 0 0 9px rgba(247, 194, 71, .9); flex-shrink: 0; }
.vb-wline span { flex: 1; height: 3px; background: repeating-linear-gradient(90deg, var(--vb-gold) 0 10px, transparent 10px 18px); opacity: .8; border-radius: 2px; }

.vb-tiles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* 瓦片 = 老虎机卷轴窗 */
.vb-tile {
  position: relative;
  min-width: 0;
  padding: 10px 8px 12px;
  text-align: center;
  border: 2px solid rgba(247, 194, 71, .55);
  border-radius: 10px;
  background: linear-gradient(180deg, #56202a 0%, #20070B 55%, #170407 100%);
  box-shadow: inset 0 0 14px rgba(0, 0, 0, .6), 0 3px 10px rgba(0, 0, 0, .35);
  overflow: hidden;
  transition: box-shadow .25s ease, transform .25s ease;
}
.vb-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 240, 200, .16) 46%, transparent 60%);
  transform: translateX(-130%);
  transition: transform .6s ease;
}
.vb-tile:hover { transform: translateY(-3px); box-shadow: inset 0 0 14px rgba(0, 0, 0, .6), 0 0 22px rgba(247, 194, 71, .45); }
.vb-tile:hover::after { transform: translateX(130%); }

.vb-tcap {
  display: block;
  font-size: .68rem;
  letter-spacing: 3px;
  padding: 2px 0 5px;
  color: var(--vb-gold2);
  border-bottom: 1px dashed rgba(247, 194, 71, .35);
  margin-bottom: 7px;
  white-space: nowrap;
  overflow: hidden;
}
.vb-tnum {
  display: block;
  font-family: var(--vb-font-d);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--vb-gold);
  text-shadow: 0 0 18px rgba(247, 194, 71, .65), 0 3px 0 #7E1E27;
}
.vb-tlbl { display: block; margin-top: 7px; font-weight: 700; font-size: .82rem; color: var(--vb-cream); }
.vb-tnote { display: block; margin-top: 3px; font-size: .7rem; line-height: 1.45; color: var(--vb-muted); }

.vb-wallnote { margin: 14px 0 0; font-size: .8rem; line-height: 1.6; color: var(--vb-text); text-align: center; }
.vb-wallnote b { color: var(--vb-gold); }
.vb-wall18 { margin: 8px 0 0; text-align: center; font-size: .7rem; letter-spacing: 1px; color: var(--vb-muted); text-transform: uppercase; }

/* ---------- 左流：叙述 ---------- */

.vb-kicker {
  display: inline-block;
  margin: 6px 0 2px;
  padding: 4px 14px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #2A090E;
  background: linear-gradient(90deg, var(--vb-gold), var(--vb-gold2));
  border-radius: 999px;
  box-shadow: 0 0 14px rgba(247, 194, 71, .4);
}

.vb-herop { font-size: 1.06rem; color: var(--vb-cream); }

.vb-herofig, .vb-fig { margin: 22px 0; }
.vb-herofig img, .vb-fig img {
  border-radius: 12px;
  border: 1px solid rgba(247, 194, 71, .35);
  box-shadow: 0 10px 34px rgba(0, 0, 0, .5);
}
.vb-herofig figcaption, .vb-fig figcaption {
  margin-top: 8px;
  font-size: .8rem;
  color: var(--vb-muted);
  text-align: center;
}

/* ---------- 精选卡片栅格 ---------- */

.vb-picksp { color: var(--vb-muted); }

.vb-cardgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); gap: 16px; }

.vb-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 14px;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--vb-panel), #25090E);
  border: 1px solid rgba(247, 194, 71, .22);
  border-top: 3px solid var(--vb-gold);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .35);
  transition: transform .2s ease, box-shadow .25s ease;
}
.vb-card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0, 0, 0, .5), 0 0 18px rgba(247, 194, 71, .22); }
.vb-card h3 { font-family: var(--vb-font-d); font-weight: 400; font-size: 1.08rem; line-height: 1.4; color: var(--vb-gold2); }
.vb-card h3 a { color: inherit; }
.vb-card p { margin: 0; font-size: .88rem; color: var(--vb-text); flex: 1; }
.vb-cardmore { font-size: .82rem; font-weight: 700; letter-spacing: .5px; }

/* ---------- 优势 ---------- */

.vb-pluslist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; counter-reset: vbplus; }
.vb-pluslist li {
  min-width: 0;
  position: relative;
  counter-increment: vbplus;
  padding: 16px 16px 14px 52px;
  border-radius: 12px;
  background: rgba(61, 18, 24, .65);
  border: 1px solid rgba(247, 194, 71, .18);
}
.vb-pluslist li::before {
  content: counter(vbplus);
  position: absolute;
  left: 12px;
  top: 14px;
  width: 30px;
  height: 34px;
  display: grid;
  place-items: center;
  font-family: var(--vb-font-d);
  font-size: 1.05rem;
  color: var(--vb-gold);
  background: #1B0508;
  border: 1px solid rgba(247, 194, 71, .5);
  border-radius: 6px;
  box-shadow: inset 0 0 8px rgba(247, 194, 71, .25);
}
.vb-pluslist p { margin: 0; font-size: .88rem; color: var(--vb-text); }

/* ---------- FAQ ---------- */

.vb-q {
  margin: 0 0 10px;
  border: 1px solid rgba(247, 194, 71, .22);
  border-radius: 10px;
  background: rgba(27, 5, 8, .55);
  overflow: hidden;
}
.vb-q summary {
  cursor: pointer;
  list-style: none;
  padding: 13px 44px 13px 16px;
  font-weight: 700;
  color: var(--vb-gold2);
  position: relative;
}
.vb-q summary::-webkit-details-marker { display: none; }
.vb-q summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--vb-font-d);
  font-size: 1.2rem;
  color: var(--vb-gold);
}
.vb-q[open] summary::after { content: "–"; }
.vb-q[open] summary { border-bottom: 1px dashed rgba(247, 194, 71, .3); }
.vb-q p { margin: 0; padding: 12px 16px 14px; font-size: .93rem; color: var(--vb-text); }

/* ---------- 信任 / 页内通用 ---------- */

.vb-trust {
  margin-top: 34px;
  padding: 22px 22px 18px;
  border-radius: 14px;
  border: 1px solid rgba(247, 194, 71, .4);
  background:
    radial-gradient(400px 160px at 90% 0%, rgba(247, 194, 71, .12), transparent 70%),
    rgba(61, 18, 24, .7);
  box-shadow: 0 0 26px rgba(247, 194, 71, .12);
}
.vb-trust p:last-of-type { margin-bottom: 6px; }
.vb-trustlnk { font-weight: 700; }

.vb-page { min-width: 0; padding-bottom: 8px; }
.vb-pageintro { font-size: 1.04rem; color: var(--vb-cream); }

.vb-crumbs { font-size: .8rem; color: var(--vb-muted); margin: 10px 0 4px; }
.vb-crumbs span { color: var(--vb-gold); }

.vb-steps { list-style: none; margin: 0 0 18px; padding: 0; counter-reset: vbstep; }
.vb-steps li {
  position: relative;
  counter-increment: vbstep;
  padding: 4px 0 16px 46px;
  border-left: 2px solid rgba(247, 194, 71, .35);
  margin-left: 14px;
}
.vb-steps li::before {
  content: counter(vbstep);
  position: absolute;
  left: -15px;
  top: 4px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-family: var(--vb-font-d);
  color: #2A090E;
  background: linear-gradient(180deg, var(--vb-gold2), var(--vb-gold));
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(247, 194, 71, .5);
}
.vb-steps h3 { font-family: var(--vb-font-d); font-weight: 400; font-size: 1.02rem; color: var(--vb-gold2); }
.vb-steps p { margin: 2px 0 0; font-size: .92rem; }

.vb-navlist { margin: 0 0 18px; padding: 0 0 0 4px; list-style: none; }
.vb-navlist li {
  position: relative;
  padding: 6px 0 6px 24px;
  font-size: .93rem;
}
.vb-navlist li::before {
  content: "◆";
  position: absolute;
  left: 2px;
  top: 9px;
  font-size: .6rem;
  color: var(--vb-gold);
}
.vb-navlist b { color: var(--vb-gold2); }

.vb-note {
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px dashed rgba(247, 194, 71, .45);
  background: rgba(247, 194, 71, .07);
  font-size: .9rem;
  color: var(--vb-cream);
}

.vb-related {
  margin-top: 26px;
  padding: 16px 18px 12px;
  border-radius: 12px;
  background: rgba(27, 5, 8, .6);
  border: 1px solid rgba(247, 194, 71, .2);
}
.vb-related h3 { font-size: .78rem; text-transform: uppercase; letter-spacing: 2px; color: var(--vb-gold); margin: 8px 0 4px; }
.vb-related h3:first-child { margin-top: 0; }
.vb-related a { display: block; padding: 4px 0; font-size: .9rem; }

.vb-resp {
  margin-top: 22px;
  padding: 10px 14px;
  border-radius: 8px;
  border-left: 3px solid var(--vb-gold);
  background: rgba(0, 0, 0, .28);
  font-size: .8rem;
  color: var(--vb-muted);
}

/* ---------- 底部 ---------- */

.vb-foot { border-top: 1px solid rgba(247, 194, 71, .3); background: #1B0508; }
.vb-fgrid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 20px 20px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 26px;
}
.vb-fcol { min-width: 0; }
.vb-fcol h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: 2px; color: var(--vb-gold); margin: 0 0 8px; }
.vb-fcol a { display: block; padding: 3px 0; color: var(--vb-text); font-size: .88rem; }
.vb-fcol a:hover { color: var(--vb-gold2); }
.vb-fbrand p { margin: 12px 0; font-size: .84rem; color: var(--vb-muted); }
.vb-18 {
  display: inline-block;
  padding: 3px 12px;
  border: 1px solid var(--vb-gold);
  border-radius: 999px;
  color: var(--vb-gold);
  font-weight: 700;
  font-size: .8rem;
  box-shadow: 0 0 12px rgba(247, 194, 71, .3);
}
.vb-fbot { border-top: 1px solid rgba(247, 194, 71, .15); padding: 14px 20px 18px; text-align: center; }
.vb-fbot p { margin: 3px 0; font-size: .78rem; color: var(--vb-muted); }

/* ---------- 悬浮条（外链白名单唯一） ---------- */

.vb-float {
  position: fixed;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  z-index: 60;
  width: min(94vw, 640px);
}
.vb-floatin {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid rgba(247, 194, 71, .55);
  background: linear-gradient(180deg, #43141C, #1D060A);
  box-shadow: 0 10px 34px rgba(0, 0, 0, .6), 0 0 22px rgba(247, 194, 71, .22);
}
.vb-floattag { font-size: .82rem; font-weight: 700; color: var(--vb-cream); letter-spacing: 1px; }
.vb-floattag b { color: var(--vb-gold); text-shadow: 0 0 10px rgba(247, 194, 71, .6); }
.vb-enter { animation: vb-pulse 2.2s ease-in-out infinite; }

@keyframes vb-pulse {
  0%, 100% { box-shadow: 0 0 14px rgba(247, 194, 71, .45), inset 0 1px 0 rgba(255, 255, 255, .5); }
  50% { box-shadow: 0 0 30px rgba(247, 194, 71, .85), inset 0 1px 0 rgba(255, 255, 255, .5); }
}

/* ---------- 404 ---------- */

.vb-404body { display: flex; flex-direction: column; min-height: 100vh; }
.vb-404 { flex: 1; max-width: 720px; margin: 0 auto; padding: 60px 20px; text-align: center; }
.vb-404tiles { display: flex; justify-content: center; gap: 10px; margin-bottom: 18px; }
.vb-404tiles span {
  font-family: var(--vb-font-d);
  font-size: 2rem;
  color: var(--vb-gold);
  width: 64px;
  height: 76px;
  display: grid;
  place-items: center;
  border: 2px solid rgba(247, 194, 71, .5);
  border-radius: 10px;
  background: linear-gradient(180deg, #56202a, #1B0508);
  box-shadow: inset 0 0 12px rgba(0, 0, 0, .6), 0 0 14px rgba(247, 194, 71, .2);
}
.vb-404act { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

/* ---------- 响应式 ---------- */

@media (max-width: 1020px) {
  .vb-shell { grid-template-columns: minmax(0, 1fr) 280px; gap: 24px; }
  .vb-fgrid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .vb-nav, .vb-hact { display: none; }
  .vb-burger { display: inline-block; }

  /* 分栏 → 单列；数字墙转横向瓦片带，置于内容之前 */
  .vb-shell { grid-template-columns: minmax(0, 1fr); padding-top: 18px; }
  .vb-wall {
    position: static;
    order: -1;
    padding: 12px 10px 10px;
    margin-bottom: 6px;
  }
  .vb-tiles {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }
  .vb-tile { flex: 0 0 148px; scroll-snap-align: center; }
  .vb-tnum { font-size: 2.2rem; }
  .vb-wallnote { font-size: .74rem; }

  .vb-fgrid { grid-template-columns: 1fr 1fr; gap: 18px; }
  .vb-fbrand { grid-column: 1 / -1; }

  h1 { font-size: 1.75rem; }
  .vb-cardgrid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .vb-pluslist { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .vb-cardgrid { grid-template-columns: 1fr; }
  .vb-fgrid { grid-template-columns: 1fr; }
  .vb-logo-word { font-size: 1.2rem; }
  .vb-floatin { gap: 10px; }
}