/* ==========================================================================
   /sites/ Page — 所有院校列表 (独立样式, 不污染首页)
   父文件: template-sites-list.php
   ========================================================================== */

.sites-hero {
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-mid) 100%);
  color: var(--c-white);
  padding: var(--sp-10) var(--sp-4);
}
.sites-hero__inner {
  max-width: var(--container);
  margin: 0 auto;
  text-align: center;
}
.sites-hero__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--c-white);
  margin: 0 0 var(--sp-3);
}
.sites-hero__sub {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.88);
  margin: 0 auto;
  max-width: 48rem;
  line-height: 1.6;
}

.sites-stats {
  background: var(--c-white);
  border-bottom: 1px solid var(--c-mist);
}
.sites-stats__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-4);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  text-align: center;
}
.sites-stat__num {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1;
  margin: 0 0 var(--sp-1);
}
.sites-stat__label {
  font-size: 0.9375rem;
  color: var(--c-ink-soft);
  margin: 0;
}

.sites-filter {
  background: var(--c-snow);
  border-bottom: 1px solid var(--c-mist);
  position: sticky;
  top: 0;
  z-index: 10;
}
.sites-filter__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.sites-filter__btn {
  background: var(--c-white);
  border: 1px solid var(--c-mist);
  color: var(--c-navy);
  padding: 0.5rem 1rem;
  border-radius: var(--r-pill);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.sites-filter__btn:hover {
  border-color: var(--c-navy);
  background: var(--c-navy);
  color: var(--c-white);
}
.sites-filter__btn.is-active {
  background: var(--c-navy);
  border-color: var(--c-navy);
  color: var(--c-white);
}
.sites-filter__btn.is-hidden {
  display: none;
}

.sites-region {
  padding: var(--sp-10) var(--sp-4);
  border-bottom: 1px solid var(--c-mist);
}
.sites-region:nth-child(odd) {
  background: var(--c-snow);
}
.sites-region__inner {
  max-width: var(--container);
  margin: 0 auto;
}
.sites-region__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-navy);
  margin: 0 0 var(--sp-1);
}
.sites-region__sub {
  font-size: 0.9375rem;
  color: var(--c-ink-soft);
  margin: 0 0 var(--sp-6);
}

.sites-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.site-row {
  display: flex;
  align-items: stretch;
  background: var(--c-white);
  border: 1px solid var(--c-mist);
  border-bottom: 0;
  text-decoration: none;
  color: inherit;
  transition: all 0.15s ease;
  position: relative;
}
.site-row:first-child {
  border-top-left-radius: var(--r-md);
  border-top-right-radius: var(--r-md);
}
.site-row:last-child {
  border-bottom: 1px solid var(--c-mist);
  border-bottom-left-radius: var(--r-md);
  border-bottom-right-radius: var(--r-md);
}
.site-row:hover {
  background: var(--c-snow);
  transform: translateX(4px);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.site-row.is-hidden {
  display: none;
}
.site-row__color {
  width: 100px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-white);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}
.site-row__body {
  flex: 1;
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.site-row__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-navy);
  margin: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.site-row__en {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--c-ink-soft);
  font-style: italic;
}
.site-row__meta {
  font-size: 0.875rem;
  color: var(--c-ink-soft);
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.site-row__region {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.site-row__region::before {
  content: "📍";
  font-size: 0.8125rem;
}
.site-row__type {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.625rem;
  background: var(--c-mist);
  color: var(--c-navy);
  border-radius: var(--r-pill);
  font-size: 0.75rem;
  font-weight: 700;
}
.site-row__domain {
  font-size: 0.8125rem;
  color: var(--c-grey);
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.site-row__arrow {
  display: flex;
  align-items: center;
  padding: 0 var(--sp-5);
  color: var(--c-navy);
  font-size: 1.25rem;
  font-weight: 700;
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.site-row:hover .site-row__arrow {
  opacity: 1;
  transform: translateX(4px);
}

.sites-cta {
  background: var(--c-navy);
  color: var(--c-white);
  padding: var(--sp-10) var(--sp-4);
  text-align: center;
}
.sites-cta__inner {
  max-width: 56rem;
  margin: 0 auto;
}
.sites-cta__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-white);
  margin: 0 0 var(--sp-3);
}
.sites-cta__sub {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.88);
  margin: 0 0 var(--sp-5);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .sites-stats__inner { grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
  .site-row { flex-wrap: wrap; }
  .site-row__color { width: 80px; }
  .site-row__arrow { display: none; }
  .site-row:hover { transform: none; }
}