/* ============================================================
   默哲易 · 完整档案 archive.html
   与主站共用变量，只补档案页自己的版式
   ============================================================ */

.page-archive{ --ix-w: 232px; }

/* ---------------- 顶栏 ---------------- */
.arc-bar{
  position: sticky; top: 0; z-index: 30;
  background: linear-gradient(180deg, rgba(7,7,7,.92), rgba(7,7,7,.62) 70%, rgba(7,7,7,0));
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.arc-bar-in{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  height: 62px;
  display: flex; align-items: center; gap: 18px;
}
.arc-back{
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; letter-spacing: .04em;
  color: rgba(242,241,238,.66);
  padding: 7px 13px 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  transition: color .35s, border-color .35s, background-color .35s, transform .35s var(--ease);
}
.arc-back:hover{
  color: #fff;
  border-color: rgba(255,255,255,.28);
  background: rgba(255,255,255,.05);
  transform: translateX(-2px);
}
.arc-back svg{ opacity: .7; }
.arc-bar-t{
  font-size: 11px; letter-spacing: .18em;
  color: rgba(242,241,238,.34);
  text-transform: uppercase;
  margin-left: auto;
}
.arc-bar-cta{
  font-size: 11.5px; letter-spacing: .06em;
  color: rgba(255,178,122,.86);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,150,96,.34);
  background: rgba(255,138,84,.06);
  transition: background-color .35s, border-color .35s, color .35s;
  white-space: nowrap;
}
.arc-bar-cta:hover{
  color: #ffc79c;
  border-color: rgba(255,150,96,.6);
  background: rgba(255,138,84,.13);
}

/* ---------------- 外框 ---------------- */
.arc-wrap{
  position: relative; z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px 120px;
}

/* ---------------- 头部 ---------------- */
.arc-hero{
  padding: 96px 0 68px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.arc-title{
  margin: 20px 0 0;
  font-size: clamp(38px, 5.6vw, 76px);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -.03em;
}
.arc-title em{
  font-style: normal;
  display: inline-block;
  background: linear-gradient(96deg, #ff8a5c 0%, #e10600 62%, #ff4a2b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.arc-lead{
  max-width: 560px;
  margin-top: 26px;
  font-size: 14.5px;
  line-height: 1.95;
  color: rgba(242,241,238,.56);
}
.arc-metas{
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 30px;
}
.arc-metas span{
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10.5px; letter-spacing: .1em;
  color: rgba(242,241,238,.5);
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.028);
}
.arc-metas span b{
  color: rgba(255,178,122,.92);
  font-weight: 600;
  margin-right: 5px;
}

/* ---------------- 主体：目录 + 清单 ---------------- */
.arc-body{
  display: grid;
  grid-template-columns: var(--ix-w) minmax(0, 1fr);
  gap: 64px;
  padding-top: 56px;
}

/* 左侧目录 */
.arc-index{
  position: sticky;
  top: 86px;
  align-self: start;
  max-height: calc(100vh - 118px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 10px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.14) transparent;
}
.arc-index::-webkit-scrollbar{ width: 4px; }
.arc-index::-webkit-scrollbar-thumb{ background: rgba(255,255,255,.14); border-radius: 4px; }

.ix-h{
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px; letter-spacing: .2em;
  color: rgba(242,241,238,.3);
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between;
}
.ix-h em{ font-style: normal; color: rgba(255,178,122,.7); }

.ix-group + .ix-group{ margin-top: 22px; }
.ix-group-h{
  display: flex; align-items: baseline; gap: 8px;
  font-size: 11px; letter-spacing: .1em;
  color: rgba(242,241,238,.34);
  margin-bottom: 7px;
  padding-left: 9px;
}
.ix-group-h em{
  font-style: normal;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 9.5px;
  color: rgba(242,241,238,.24);
}

.arc-index ul{ display: flex; flex-direction: column; gap: 1px; }
.arc-index a{
  display: flex; align-items: baseline; gap: 9px;
  padding: 5px 9px;
  border-radius: 7px;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(242,241,238,.44);
  transition: color .28s, background-color .28s;
}
.arc-index a b{
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 9.5px;
  font-weight: 400;
  color: rgba(242,241,238,.26);
  flex: none;
  font-variant-numeric: tabular-nums;
}
.arc-index a span{
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.arc-index a:hover{ color: rgba(242,241,238,.86); background: rgba(255,255,255,.05); }
.arc-index a:hover b{ color: rgba(255,178,122,.7); }

.arc-index a.is-cur{
  color: #fff;
  background: rgba(255,255,255,.09);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.1);
}
.arc-index a.is-cur b{ color: rgba(255,150,96,.9); }

/* ---------------- 门类分隔 ---------------- */
.arc-group{
  margin: 0 0 30px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.arc-group.is-in{ opacity: 1; transform: none; }
.arc-group:not(:first-child){ margin-top: 76px; }
.arc-group span{
  order: 0;
  font-size: 13px; letter-spacing: .16em;
  color: rgba(242,241,238,.9);
  font-weight: 600;
}
.arc-group em{
  order: 0;
  font-style: normal;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px; letter-spacing: .18em;
  color: rgba(242,241,238,.28);
}
.arc-group b{
  order: 2;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px; font-weight: 400;
  color: rgba(255,150,96,.62);
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255,150,96,.22);
}
.arc-group-h{
  display: flex;
  align-items: center;
  gap: 14px;
}
.arc-group-h::after{
  content: "";
  order: 1;
  flex: 1;
  height: 1px;
  margin-left: 4px;
  background: linear-gradient(90deg, rgba(255,255,255,.14), rgba(255,255,255,0));
}

/* ---------------- 单件 ---------------- */
.arc-item{
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 0;
  padding-bottom: 72px;
  scroll-margin-top: 96px;
}
.arc-item + .arc-item{ border-top: 1px solid rgba(255,255,255,.055); padding-top: 46px; }

.arc-side{ position: relative; padding-top: 6px; }
.arc-num{
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px; letter-spacing: .12em;
  color: rgba(255,150,96,.6);
  font-variant-numeric: tabular-nums;
}
.arc-side i{
  position: absolute;
  left: 3px; top: 28px; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,0));
}

.arc-head h2{
  font-size: clamp(21px, 2.2vw, 27px);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.35;
}
.arc-en{
  margin-top: 7px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px; letter-spacing: .17em;
  color: rgba(242,241,238,.3);
}
.arc-cat{
  margin-top: 12px;
  font-size: 11px; letter-spacing: .1em;
  color: rgba(255,178,122,.62);
}

.arc-fig{
  margin: 26px 0 0;
  padding: 16px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(120% 100% at 50% 0%, #151111 0%, #0b0a0a 60%, #080807 100%);
  display: flex; align-items: center; justify-content: center;
  min-height: 180px;
}
.arc-fig img{
  width: 100%;
  max-height: min(64vh, 620px);
  object-fit: contain;
  transition: transform .9s var(--ease);
}
.arc-item:hover .arc-fig img{ transform: scale(1.012); }

.arc-desc{
  margin-top: 22px;
  max-width: 620px;
  font-size: 13.5px;
  line-height: 1.95;
  color: rgba(242,241,238,.66);
}
.arc-note{
  margin-top: 12px;
  max-width: 620px;
  padding-left: 13px;
  border-left: 2px solid rgba(255,150,96,.34);
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(242,241,238,.42);
}
.arc-play{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: #250b04;
  background: linear-gradient(135deg, #ffc095, #ff7f4f);
  box-shadow: 0 12px 30px -16px rgba(255,110,60,.8);
  transition: transform .4s var(--ease), filter .4s, box-shadow .4s;
}
.arc-play i{
  font-style: normal;
  transition: transform .4s var(--ease);
}
.arc-play:hover{
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 18px 40px -18px rgba(255,110,60,.95);
}
.arc-play:hover i{ transform: translate(2px,-2px); }

.arc-item .chips{ margin-top: 18px; }
.arc-item .chips span{ font-size: 10px; }

/* ---------------- 收尾 ---------------- */
.arc-foot{
  margin-top: 40px;
  padding-top: 56px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap;
}
.arc-foot p{
  font-size: 13px;
  letter-spacing: .16em;
  color: rgba(242,241,238,.34);
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 960px){
  .arc-body{ grid-template-columns: 1fr; gap: 34px; padding-top: 40px; }
  .arc-index{
    position: static;
    max-height: none;
    overflow: visible;
    display: none;
  }
  .arc-hero{ padding: 64px 0 44px; }
  .arc-item{ grid-template-columns: 34px minmax(0,1fr); padding-bottom: 56px; }
  .arc-item + .arc-item{ padding-top: 38px; }
  .arc-fig img{ max-height: none; }
  .arc-group:not(:first-child){ margin-top: 52px; }
}
@media (max-width: 620px){
  .arc-wrap{ padding: 0 18px 88px; }
  .arc-bar-in{ padding: 0 16px; gap: 10px; height: 56px; }
  .arc-bar-t{ display: none; }
  .arc-bar-cta{ margin-left: auto; }
  .arc-item{ grid-template-columns: 1fr; }
  .arc-side{ display: flex; align-items: center; gap: 10px; padding-top: 0; margin-bottom: 12px; }
  .arc-side i{ position: static; width: 26px; height: 1px; background: rgba(255,255,255,.14); }
  .arc-fig{ margin-top: 20px; border-radius: 12px; }
  .arc-metas span{ font-size: 9.5px; padding: 4px 9px; }
}