/* ==========================================================================
   portal.css —— 门户首页 + 板块内页专用样式
   依赖 site.css 里的主题变量（--bg / --card / --border / --text …），
   所以引用顺序必须是：site.css 在前，portal.css 在后。
   ========================================================================== */

/* 板块主色的兜底值（数据里没写 tint 时用这套） */
:root {
  --tint-base: #4f46e5;
  --tint-hi: #a5b4fc;
  --tint-soft: #eef0ff;
  --tint-glow: rgba(165, 180, 252, .18);
}

/* ============================ 主门户：大板块卡 ============================ */
.site-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 30px;
}

.scard {
  --tint: var(--tint-base);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 322px;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(162deg, var(--tint-soft), var(--card) 58%);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .26s cubic-bezier(.22, 1, .36, 1),
              border-color .26s ease, box-shadow .26s ease;
  animation: rise .55s cubic-bezier(.22, 1, .36, 1) backwards;
  animation-delay: calc(var(--i, 0) * 80ms);
}
.scard::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--tint-glow), transparent 68%);
  transition: transform .45s ease;
  pointer-events: none;
}
.scard:hover {
  transform: translateY(-6px);
  border-color: var(--tint);
  box-shadow: 0 3px 12px rgba(16, 19, 28, .06), 0 34px 60px -30px var(--tint);
}
.scard:hover::after { transform: scale(1.2); }
.scard:focus-visible { outline: 2px solid var(--tint); outline-offset: 3px; }

.scard-icon {
  align-self: flex-start;
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border-radius: 18px;
  background: var(--tint-soft);
  font-size: 28px;
  line-height: 1;
  transition: transform .3s cubic-bezier(.22, 1, .36, 1);
}
.scard:hover .scard-icon { transform: scale(1.06) rotate(-5deg); }

.scard-go {
  position: absolute;
  top: 28px;
  right: 28px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 37px;
  height: 37px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  color: var(--tint);
  font-size: 15px;
  line-height: 1;
  opacity: .42;
  transition: opacity .26s ease, transform .26s ease, background .26s ease,
              border-color .26s ease, color .26s ease;
}
.scard:hover .scard-go {
  opacity: 1;
  transform: translateX(3px);
  background: var(--tint);
  border-color: var(--tint);
  color: #fff;
}

.scard-main {
  position: relative;
  z-index: 1;
  padding-top: 30px;
}
.scard-main h2 {
  font-size: clamp(22px, 2.7vw, 29px);
  font-weight: 650;
  letter-spacing: -.03em;
  line-height: 1.22;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 7px;
}
.scard-main h2 .en {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.scard-desc {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.65;
  margin: 0;
  max-width: 34ch;
}

.scard-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.scard-subs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  min-width: 0;
}
.scard-subs span {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-2);
  white-space: nowrap;
}
.scard-n {
  flex: none;
  font-size: 24px;
  font-weight: 650;
  color: var(--tint);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.03em;
}
.scard-n span {
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 3px;
  letter-spacing: .04em;
}

/* 筹备中的板块：虚线框、去色、不可点 */
.scard.is-coming {
  background: var(--card-2);
  border-style: dashed;
  box-shadow: none;
  cursor: default;
}
.scard.is-coming::after { opacity: .35; }
.scard.is-coming:hover { transform: none; box-shadow: none; border-color: var(--border-strong); }
.scard.is-coming .scard-icon {
  background: var(--border);
  filter: grayscale(1);
  opacity: .75;
}
.scard.is-coming:hover .scard-icon { transform: none; }
.scard-badge {
  position: absolute;
  top: 28px;
  right: 28px;
  z-index: 2;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .08em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
}

/* ============================ 门户：板块卡片 ============================ */
.portal {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
  margin-bottom: 30px;
}

.pcard {
  /* --tint 会随主题切换（浅色用 base，深色用 hi），下面统一用它 */
  --tint: var(--tint-base);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 200px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(158deg, var(--tint-soft), var(--card) 64%);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .24s cubic-bezier(.22, 1, .36, 1),
              border-color .24s ease, box-shadow .24s ease;
  animation: rise .55s cubic-bezier(.22, 1, .36, 1) backwards;
  animation-delay: calc(var(--i, 0) * 70ms);
}

/* 右下角光晕 */
.pcard::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -66px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--tint-glow), transparent 68%);
  transition: transform .4s ease, opacity .4s ease;
  pointer-events: none;
}

.pcard:hover {
  transform: translateY(-5px);
  border-color: var(--tint);
  box-shadow: 0 2px 10px rgba(16, 19, 28, .06), 0 26px 50px -26px var(--tint);
}
.pcard:hover::after { transform: scale(1.22); }
.pcard:focus-visible { outline: 2px solid var(--tint); outline-offset: 3px; }

/* 只有奇数个板块时，最后一张拉通整行，改横向排布 */
.portal > .pcard:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: 22px;
  min-height: 0;
  padding: 22px 26px;
}
.portal > .pcard:last-child:nth-child(odd) .pcard-main {
  flex: 1 1 auto;
  min-width: 0;
  padding-top: 0;
}
.portal > .pcard:last-child:nth-child(odd) .pcard-desc { max-width: 64ch; }
.portal > .pcard:last-child:nth-child(odd) .pcard-foot {
  flex: none;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.portal > .pcard:last-child:nth-child(odd) .pcard-icon { align-self: center; }
.portal > .pcard:last-child:nth-child(odd) .pcard-brands { max-width: 15ch; }
.portal > .pcard:last-child:nth-child(odd) .pcard-go { display: none; }

.pcard-icon {
  align-self: flex-start;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 15px;
  background: var(--tint-soft);
  font-size: 23px;
  line-height: 1;
  transition: transform .28s cubic-bezier(.22, 1, .36, 1);
}
.pcard:hover .pcard-icon { transform: scale(1.07) rotate(-5deg); }

.pcard-go {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  color: var(--tint);
  font-size: 14px;
  line-height: 1;
  opacity: .45;
  transform: translateX(0);
  transition: opacity .24s ease, transform .24s ease, background .24s ease,
              border-color .24s ease, color .24s ease;
}
.pcard:hover .pcard-go {
  opacity: 1;
  transform: translateX(3px);
  background: var(--tint);
  border-color: var(--tint);
  color: #fff;
}
:root[data-theme="dark"] .pcard:hover .pcard-go { color: #0a0b0f; }

.pcard-main {
  position: relative;
  z-index: 1;
  padding-top: 20px;
}
.pcard-main h2 {
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -.028em;
  line-height: 1.2;
  display: flex;
  align-items: baseline;
  gap: 9px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.pcard-main h2 .en {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.pcard-desc {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
  margin: 0;
  max-width: 32ch;
  /* 固定两行高度，保证每张卡片等高 */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3.2em;
}

.pcard-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.pcard-brands {
  font-size: 12px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pcard-n {
  flex: none;
  font-size: 19px;
  font-weight: 650;
  color: var(--tint);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.pcard-n span {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 3px;
  letter-spacing: .04em;
}

/* 门户页底部两个小链接 */
.portal-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.portal-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--text-2);
  font-size: 13px;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.portal-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.portal-links a .ar { font-size: 12px; opacity: .55; }

/* ============================ 板块页：头部 ============================ */
.masthead {
  position: relative;
  padding: 26px 26px 24px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(158deg, var(--tint-soft), var(--card) 68%);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}
.masthead::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--tint-glow), transparent 68%);
  pointer-events: none;
}

/* 右侧超大低声量英文水印，用来压住右半边的空白 */
.mast-mark {
  position: absolute;
  right: 14px;
  bottom: -18px;
  font-size: clamp(64px, 11vw, 106px);
  font-weight: 800;
  letter-spacing: -.055em;
  line-height: 1;
  color: var(--tint);
  opacity: .07;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}
.mast-row {
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  z-index: 1;
}
.mast-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 17px;
  background: var(--tint-soft);
  font-size: 26px;
  line-height: 1;
}
.masthead h1 {
  font-size: clamp(24px, 4.6vw, 31px);
  font-weight: 650;
  letter-spacing: -.028em;
  line-height: 1.2;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.masthead h1 .en {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.mast-desc {
  font-size: 13.5px;
  color: var(--text-2);
  margin: 7px 0 0;
}
.mast-stats {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.mast-stats span {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

/* ============================ 板块页：上下板块 ============================ */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 10px;
}
.pager a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 15px 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: border-color .2s ease, transform .2s ease;
}
.pager a:hover { border-color: var(--accent); transform: translateY(-3px); }
.pager a .k {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.pager a .v { font-size: 15px; font-weight: 600; }
.pager a.next { text-align: right; align-items: flex-end; }

/* ============================ 深色模式覆盖 ============================ */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pcard,
  :root:not([data-theme="light"]) .masthead,
  :root:not([data-theme="light"]) .scard { --tint: var(--tint-hi); }

  :root:not([data-theme="light"]) .pcard,
  :root:not([data-theme="light"]) .masthead {
    background: linear-gradient(158deg, var(--tint-glow), var(--card) 64%);
  }
  :root:not([data-theme="light"]) .scard:not(.is-coming) {
    background: linear-gradient(162deg, var(--tint-glow), var(--card) 58%);
  }
  :root:not([data-theme="light"]) .pcard-icon,
  :root:not([data-theme="light"]) .mast-icon,
  :root:not([data-theme="light"]) .scard-icon {
    background: var(--tint-glow);
  }
  :root:not([data-theme="light"]) .scard.is-coming .scard-icon { background: var(--border); }
  :root:not([data-theme="light"]) .mast-mark { opacity: .11; }
  :root:not([data-theme="light"]) .pcard:hover .pcard-go,
  :root:not([data-theme="light"]) .scard:hover .scard-go { color: #0a0b0f; }
  :root:not([data-theme="light"]) .pcard:hover {
    box-shadow: 0 2px 10px rgba(0, 0, 0, .5), 0 26px 50px -26px var(--tint);
  }
  :root:not([data-theme="light"]) .scard:hover:not(.is-coming) {
    box-shadow: 0 3px 12px rgba(0, 0, 0, .5), 0 34px 60px -30px var(--tint);
  }
}

:root[data-theme="dark"] .pcard,
:root[data-theme="dark"] .masthead,
:root[data-theme="dark"] .scard { --tint: var(--tint-hi); }
:root[data-theme="dark"] .pcard,
:root[data-theme="dark"] .masthead {
  background: linear-gradient(158deg, var(--tint-glow), var(--card) 64%);
}
:root[data-theme="dark"] .scard:not(.is-coming) {
  background: linear-gradient(162deg, var(--tint-glow), var(--card) 58%);
}
:root[data-theme="dark"] .pcard-icon,
:root[data-theme="dark"] .mast-icon,
:root[data-theme="dark"] .scard-icon { background: var(--tint-glow); }
:root[data-theme="dark"] .scard.is-coming .scard-icon { background: var(--border); }
:root[data-theme="dark"] .mast-mark { opacity: .11; }
:root[data-theme="dark"] .pcard:hover {
  box-shadow: 0 2px 10px rgba(0, 0, 0, .5), 0 26px 50px -26px var(--tint);
}
:root[data-theme="dark"] .scard:hover:not(.is-coming) {
  box-shadow: 0 3px 12px rgba(0, 0, 0, .5), 0 34px 60px -30px var(--tint);
}

/* ============================ 响应式 ============================ */
@media (max-width: 620px) {
  .site-grid { grid-template-columns: 1fr; gap: 12px; }
  .scard { min-height: 232px; padding: 20px; border-radius: 20px; }
  .scard-icon { width: 50px; height: 50px; border-radius: 15px; font-size: 22px; }
  .scard-go { top: 20px; right: 20px; width: 30px; height: 30px; font-size: 13px; }
  .scard-badge { top: 20px; right: 20px; }
  .scard-main { padding-top: 20px; }
  .scard-main h2 { font-size: 21px; }
  .scard-desc { font-size: 12.5px; }
  .scard-foot { padding-top: 13px; }
  .scard-n { font-size: 20px; }

  .portal { grid-template-columns: 1fr; gap: 12px; }
  .pcard { min-height: 168px; padding: 18px; border-radius: 19px; }

  /* 通栏卡在窄屏恢复竖排 */
  .portal > .pcard:last-child:nth-child(odd) {
    grid-column: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    min-height: 168px;
    padding: 18px;
  }
  .portal > .pcard:last-child:nth-child(odd) .pcard-main { flex: 0 0 auto; padding-top: 16px; }
  .portal > .pcard:last-child:nth-child(odd) .pcard-foot {
    flex-direction: row;
    align-items: baseline;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }
  .portal > .pcard:last-child:nth-child(odd) .pcard-icon { align-self: flex-start; }
  .portal > .pcard:last-child:nth-child(odd) .pcard-go { display: grid; }

  .pcard-icon { width: 42px; height: 42px; border-radius: 13px; font-size: 19px; }
  .pcard-go { top: 18px; right: 18px; width: 28px; height: 28px; font-size: 13px; }
  .pcard-main { padding-top: 16px; }
  .pcard-main h2 { font-size: 22px; }
  .pcard-foot { padding-top: 12px; }
  .masthead { padding: 20px 18px; border-radius: 19px; }
  .mast-icon { width: 46px; height: 46px; border-radius: 14px; font-size: 21px; }
  .mast-mark { font-size: 54px; right: 8px; bottom: -8px; opacity: .06; }
  .pager { grid-template-columns: 1fr; }
  .pager a.next { text-align: left; align-items: flex-start; }
}