/* ====== 171 油价调整倒计时 · 黑金翻牌钟：炭黑 + 琥珀金 ====== */
.tsk.opc{
  --tsk-bg:#f5f2ea;
  --tsk-card:#fffdf7;
  --tsk-card-2:#f8f4e9;
  --tsk-ink:#211d15;
  --tsk-sub:#6b6353;
  --tsk-faint:#9c937f;
  --tsk-line:#e6ddc8;
  --tsk-line-2:#f0e9d8;
  --tsk-brand:#b8860b;
  --tsk-brand-2:#d4a017;
  --tsk-brand-soft:#f9efd4;
  --tsk-brand-ink:#8a6407;
  --tsk-coal:#26221a;
  --tsk-coal-2:#3a3427;
  --tsk-gold:#e8b352;
  --tsk-up:#c0392b;
  --tsk-up-soft:#fae9e6;
  --tsk-down:#2f9e44;
  --tsk-down-soft:#e7f5ea;
  background:
    radial-gradient(720px 320px at 100% -10%, rgba(184,134,11,.10), transparent 60%),
    radial-gradient(520px 260px at -5% 8%, rgba(38,34,26,.06), transparent 58%),
    var(--tsk-bg);
}
:root[data-theme="dark"] .tsk.opc{
  --tsk-bg:#141210;
  --tsk-card:#1e1b15;
  --tsk-card-2:#26221a;
  --tsk-ink:#f2ecdb;
  --tsk-sub:#bdb29a;
  --tsk-faint:#8a8069;
  --tsk-line:#3b3425;
  --tsk-line-2:#2e281d;
  --tsk-brand:#e8b352;
  --tsk-brand-2:#f5cd82;
  --tsk-brand-soft:rgba(232,179,82,.13);
  --tsk-brand-ink:#f5cd82;
  --tsk-coal:#0f0d09;
  --tsk-coal-2:#241f14;
  --tsk-gold:#f5cd82;
  --tsk-up:#ff9d92;
  --tsk-up-soft:rgba(255,157,146,.12);
  --tsk-down:#6fdc8c;
  --tsk-down-soft:rgba(111,220,140,.12);
}
.opc-hero{display:grid;grid-template-columns:minmax(0,1fr) 394px;gap:30px;padding:30px 0 24px;align-items:stretch;}
.opc-hero-l{display:flex;flex-direction:column;}
.opc-hero-l>.tsk-hs{flex:1 1 auto;}
.opc-hero-l .tsk-h1 b{color:var(--tsk-brand-ink);}

/* 炭黑油价牌表单 */
.opc-board{align-self:start;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:14px;box-shadow:var(--tsk-shadow);overflow:hidden;}
.opc-board-top{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:var(--tsk-coal);border-bottom:2px solid var(--tsk-brand);}
.opc-board-top span{font-size:12.5px;font-weight:800;color:var(--tsk-gold);letter-spacing:.06em;}
.opc-board-top i{font-style:normal;font:700 10px/1 var(--tsk-num);letter-spacing:.18em;color:rgba(232,179,82,.55);}
.opc-board-body{padding:6px 20px 18px;}
.opc-board-body label{display:block;margin:11px 0 5px;font-size:11.5px;font-weight:800;color:var(--tsk-sub);}
.opc-board-body input,.opc-board-body select{width:100%;height:36px;padding:0 11px;border:1px solid var(--tsk-line);border-radius:8px;background:var(--tsk-card-2);color:var(--tsk-ink);font:700 13px/36px var(--tsk-num);outline:none;transition:border-color .16s,box-shadow .16s;}
.opc-board-body input:focus,.opc-board-body select:focus{border-color:var(--tsk-brand);box-shadow:0 0 0 3px var(--tsk-brand-soft);}
.opc-row2{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.opc-err{margin-top:10px;padding:8px 12px;border-radius:8px;background:var(--tsk-up-soft);border:1px solid var(--tsk-up);color:var(--tsk-up);font-size:12px;line-height:1.6;}
.opc-board .tsk-btn-main{width:100%;margin-top:14px;background:linear-gradient(135deg,var(--tsk-coal-2),var(--tsk-brand));color:var(--tsk-gold);}
.opc-board-foot{margin-top:10px;font-size:10.5px;line-height:1.7;color:var(--tsk-faint);}

/* 结果 + 翻牌钟 */
.opc-result{margin:4px 0 26px;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:16px;box-shadow:var(--tsk-shadow);padding:22px 24px;}
.opc-clock{display:flex;justify-content:center;gap:14px;padding:16px 12px;border-radius:12px;background:var(--tsk-coal);}
.opc-flip{display:flex;gap:4px;align-items:flex-end;}
.opc-flip .digit{position:relative;width:34px;height:48px;border-radius:6px;background:linear-gradient(180deg,var(--tsk-coal-2) 0 49%,var(--tsk-coal) 51% 100%);box-shadow:inset 0 0 0 1px rgba(232,179,82,.25);overflow:hidden;}
.opc-flip .digit i{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font:800 30px/48px var(--tsk-num);font-style:normal;color:var(--tsk-gold);}
.opc-flip .digit::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:rgba(0,0,0,.55);}
.opc-flip .digit.flip i{animation:opcFlip .3s ease;}
@keyframes opcFlip{0%{transform:rotateX(-70deg);opacity:.4;}100%{transform:rotateX(0);opacity:1;}}
.opc-flip .unit{align-self:center;font:700 11px/1 var(--tsk-font);color:rgba(232,179,82,.7);margin:0 6px 0 2px;}
.opc-clock-cap{margin-top:8px;text-align:center;font-size:11px;color:var(--tsk-faint);}

.opc-res-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:11px;margin-top:16px;}
.opc-res-card{background:var(--tsk-card-2);border:1px solid var(--tsk-line-2);border-radius:11px;padding:15px 17px;}
.opc-res-card b{display:block;font:800 19px/1.3 var(--tsk-num);color:var(--tsk-ink);font-variant-numeric:tabular-nums;}
.opc-res-card span{display:block;margin-top:5px;font-size:11.5px;font-weight:700;color:var(--tsk-faint);}
.opc-res-card i{display:block;margin-top:3px;font-style:normal;font-size:10.5px;color:var(--tsk-sub);}
.opc-res-card.opc-main{background:var(--tsk-brand-soft);border-color:rgba(184,134,11,.3);}
.opc-res-card.opc-main b{color:var(--tsk-brand-ink);}
.opc-res-card.is-up b{color:var(--tsk-up);}
.opc-res-card.is-down b{color:var(--tsk-down);}
.opc-alert{margin-top:13px;padding:12px 14px;border-radius:9px;background:var(--tsk-brand-soft);border:1px solid rgba(184,134,11,.25);font-size:12px;line-height:1.8;color:var(--tsk-sub);}
.opc-alert b{color:var(--tsk-brand-ink);}
.opc-alert.is-warn{background:var(--tsk-up-soft);border-color:rgba(192,57,43,.3);}
.opc-alert.is-warn b{color:var(--tsk-up);}
.opc-plan{margin-top:14px;overflow-x:auto;border-radius:11px;border:1px solid var(--tsk-line);}
.opc-res-actions{display:flex;align-items:center;gap:10px;margin-top:14px;}
.opc-res-actions .tsk-btn{border:1px solid var(--tsk-brand);color:var(--tsk-brand-ink);background:var(--tsk-brand-soft);}
.opc-copy-tip{font-size:12px;color:var(--tsk-sub);}

.opc-scroll{overflow-x:auto;border-radius:11px;box-shadow:var(--tsk-shadow-sm);}
.opc-table{width:100%;min-width:560px;border-collapse:collapse;background:var(--tsk-card);}
.opc-table.is-wide{border:1px solid var(--tsk-line);}
.opc-table th,.opc-table td{padding:10px 14px;font-size:12.5px;line-height:1.7;border-bottom:1px solid var(--tsk-line-2);text-align:left;}
.opc-table thead th{background:var(--tsk-coal);color:var(--tsk-gold);font-size:11px;font-weight:800;letter-spacing:.04em;}
.opc-table tbody tr:last-child td{border-bottom:0;}
.opc-table tbody tr:hover td{background:var(--tsk-card-2);}
.opc-strong{font-weight:800;color:var(--tsk-ink);white-space:nowrap;}
.opc-tag{display:inline-block;padding:2px 9px;border-radius:99px;background:var(--tsk-brand-soft);color:var(--tsk-brand-ink);font:800 11.5px/1.7 var(--tsk-num);}

@media (max-width:900px){
  .opc-hero{grid-template-columns:1fr;gap:22px;}
  .opc-board{align-self:stretch;}
  .opc-clock{gap:8px;}
  .opc-flip .digit{width:26px;height:38px;}
  .opc-flip .digit i{font-size:23px;line-height:38px;}
}