/* ==========================================================================
   CNUniStudy — cnunistudy.com
   Editorial, mobile-first stylesheet. No frameworks, no external fonts.
   Breakpoints: 560 / 760 / 1000 / 1280
   ========================================================================== */

/* --------------------------------------------------------------- tokens */
:root {
  --ink:        #0d1526;
  --ink-2:      #243044;
  --ink-3:      #4a5a72;
  --muted:      #64748b;
  --muted-2:    #94a3b8;
  --line:       #e3e8ef;
  --line-2:     #eef2f7;
  --paper:      #ffffff;
  --paper-2:    #f7f9fc;
  --paper-3:    #f1f5f9;
  --accent:     #c8102e;   /* editorial red — China accent */
  --accent-2:   #a00d25;
  --accent-soft:#fdf2f4;
  --blue:       #1d4ed8;
  --blue-soft:  #eff4ff;
  --teal:       #0f766e;
  --teal-soft:  #ecfdf9;
  --amber:      #b45309;
  --amber-soft: #fffbeb;
  --ok:         #15803d;
  --ok-soft:    #f0fdf4;
  --night:      #0f172a;

  --r-sm: 6px;
  --r:    10px;
  --r-lg: 16px;
  --r-xl: 22px;

  --sh-1: 0 1px 2px rgba(15,23,42,.05), 0 1px 3px rgba(15,23,42,.06);
  --sh-2: 0 4px 12px rgba(15,23,42,.07), 0 1px 3px rgba(15,23,42,.05);
  --sh-3: 0 12px 32px rgba(15,23,42,.10), 0 2px 8px rgba(15,23,42,.05);

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", "Songti SC", serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 1200px;
  --wrap-narrow: 760px;
  --hdr: 62px;
}

/* --------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--hdr) + 16px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font: 16px/1.68 var(--sans);
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}
img, svg, video { max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.2rem 0; }
button { font: inherit; }
::selection { background: #ffe1e6; }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.22; margin: 0 0 .6em; letter-spacing: -.018em; }
h1 { font-family: var(--serif); font-size: clamp(1.85rem, 1.2rem + 2.6vw, 3rem); font-weight: 700; letter-spacing: -.03em; }
h2 { font-family: var(--serif); font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2rem); font-weight: 700; margin-top: 2.2em; }
h3 { font-size: 1.16rem; font-weight: 700; }
h4 { font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; color: var(--ink-3); }
p { margin: 0 0 1.1em; }
strong, b { color: var(--ink); font-weight: 650; }
small { font-size: .84rem; }
code, kbd, samp { font-family: var(--mono); font-size: .89em; background: var(--paper-3); padding: .12em .4em; border-radius: 4px; }
abbr[title] { text-decoration: dotted underline; cursor: help; }

.muted { color: var(--muted); }
.small { font-size: .87rem; }
.center { text-align: center; }
.zh { font-family: var(--sans); font-weight: 500; color: var(--muted); font-size: .62em; letter-spacing: .02em; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 3px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--night); color: #fff; padding: .7rem 1.1rem; border-radius: 0 0 var(--r) 0;
}
.skip:focus { left: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 18px; }

/* --------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header.is-stuck { box-shadow: 0 1px 3px rgba(15,23,42,.06), 0 6px 20px rgba(15,23,42,.05); }
.hrow { display: flex; align-items: center; gap: 14px; height: var(--hdr); }
.logo { display: inline-flex; align-items: center; gap: 9px; text-decoration: none !important; flex: 0 0 auto; }
.logo-mark {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(150deg, var(--accent), #8e0a20);
  color: #fff; font-size: 1rem; font-weight: 700; line-height: 1;
  box-shadow: 0 2px 6px rgba(200,16,46,.28);
}
.logo-text { font-family: var(--serif); font-weight: 700; font-size: 1.09rem; color: var(--ink); letter-spacing: -.02em; }
.logo-text small { font-size: .68em; color: var(--muted-2); font-weight: 400; }

.mainnav { display: none; margin-left: auto; }
.mainnav a {
  color: var(--ink-2); font-size: .875rem; font-weight: 550;
  padding: .45rem .62rem; border-radius: var(--r-sm); text-decoration: none !important;
  white-space: nowrap;
}
.mainnav a:hover { background: var(--paper-2); color: var(--ink); }
.mainnav a.is-active { color: var(--accent); background: var(--accent-soft); }

.hact { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.mainnav + .hact { margin-left: 4px; }

.iconbtn {
  display: grid; place-items: center;
  width: 38px; height: 38px; border: 0; background: transparent;
  border-radius: var(--r-sm); color: var(--ink-2); cursor: pointer;
}
.iconbtn:hover { background: var(--paper-2); }
.menubtn { display: grid; gap: 4px; align-content: center; justify-items: center; }
.menubtn span { display: block; width: 17px; height: 2px; background: var(--ink-2); border-radius: 2px; transition: .2s; }
.menubtn[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menubtn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menubtn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --------------------------------------------------------- language picker */
.flagsprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.flag {
  display: inline-block; flex: 0 0 auto;
  width: 21px; height: 14px; border-radius: 3px; overflow: hidden;
  background: #fff; line-height: 0;
  box-shadow: inset 0 0 0 1px rgba(15,23,42,.18), 0 1px 2px rgba(15,23,42,.10);
}
.flag-svg { display: block; width: 100%; height: 100%; }
.flag-lg { width: 26px; height: 17px; }

.langpick { position: relative; }
.langbtn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 38px; padding: 0 8px; border: 0; border-radius: var(--r-sm);
  background: transparent; color: var(--ink-2); cursor: pointer;
  font: inherit;
}
.langbtn:hover { background: var(--paper-2); }
.langbtn:focus-visible { outline: 2px solid var(--blue); outline-offset: 1px; }
.langcode { font-size: .72rem; font-weight: 700; letter-spacing: .04em; color: var(--ink-3); }
.langchev { color: var(--muted); transition: transform .18s; }
.langbtn[aria-expanded="true"] .langchev { transform: rotate(180deg); }

.langmenu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 70;
  min-width: 236px; margin: 0; padding: 6px; list-style: none;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--sh-3);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
.langpick.is-open .langmenu { opacity: 1; visibility: visible; transform: none; }
@media (hover: hover) and (pointer: fine) {
  .langpick:hover .langmenu { opacity: 1; visibility: visible; transform: none; }
}
.langmenu li { margin: 0; }
.langitem {
  display: flex; align-items: center; gap: 9px;
  padding: .46rem .5rem; border-radius: var(--r-sm);
  color: var(--ink-2) !important; font-size: .875rem; text-decoration: none !important;
}
.langitem:hover { background: var(--paper-2); }
.langitem .langname { font-weight: 600; white-space: nowrap; }
.langitem .langalt { margin-left: auto; font-size: .72rem; color: var(--muted-2); }
.langitem.is-current { background: var(--accent-soft); }
.langitem.is-current .langname { color: var(--accent); }
.langitem:focus-visible { outline: 2px solid var(--blue); outline-offset: -2px; }
.langcheck { flex: 0 0 auto; color: var(--accent); margin-left: 2px; }
.langitem.is-current .langalt { margin-left: auto; }

.searchbar { border-top: 1px solid var(--line-2); background: var(--paper-2); }
.searchbar form { display: flex; gap: 8px; padding: 12px 0; }
.searchbar input {
  flex: 1 1 auto; min-width: 0;
  padding: .68rem .9rem; font-size: 1rem;
  border: 1px solid var(--line); border-radius: var(--r); background: #fff; color: var(--ink);
}
.searchbar input:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px rgba(29,78,216,.12); }

.mobilenav { border-top: 1px solid var(--line-2); background: #fff; padding: 6px 0 12px; }
.mobilenav a {
  display: block; padding: .78rem .2rem; font-size: .96rem; font-weight: 550;
  color: var(--ink-2); border-bottom: 1px solid var(--line-2); text-decoration: none !important;
}
.mobilenav a.is-active { color: var(--accent); }
.moblang-wrap { padding-top: 12px; }
.moblang-title {
  display: block; font-size: .7rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted-2); margin-bottom: 8px;
}
.moblang { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.mobilenav .moblang-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: .34rem .6rem; border: 1px solid var(--line); border-radius: 999px;
  border-bottom: 1px solid var(--line); background: #fff;
  font-size: .82rem; font-weight: 550; color: var(--ink-2);
}
.mobilenav .moblang-item.is-on { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4em;
  padding: .58rem 1.05rem; border-radius: var(--r);
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  font-size: .9rem; font-weight: 600; line-height: 1.35;
  cursor: pointer; text-decoration: none !important; white-space: nowrap;
  transition: background .15s, border-color .15s, box-shadow .15s, transform .1s;
}
.btn:hover { background: var(--paper-2); border-color: #d3dae5; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent); border-color: var(--accent); color: #fff;
  box-shadow: 0 1px 2px rgba(200,16,46,.22);
}
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink-2); }
.btn-ghost:hover { background: var(--paper-2); }
.btn-sm { padding: .38rem .7rem; font-size: .82rem; border-radius: 8px; }
.btn-lg { padding: .8rem 1.5rem; font-size: 1rem; }
.btn.is-disabled, .btn[aria-disabled="true"] { opacity: .45; pointer-events: none; background: var(--paper-2); }

/* --------------------------------------------------------------- badges / tags / chips */
.badges { display: flex; flex-wrap: wrap; gap: 6px; }
.badge {
  display: inline-flex; align-items: baseline; gap: .38em;
  padding: .24rem .58rem; border-radius: 999px;
  background: var(--paper-3); border: 1px solid var(--line);
  font-size: .79rem; color: var(--ink-3); font-variant-numeric: tabular-nums;
}
.badge b { font-size: .68rem; letter-spacing: .07em; color: var(--muted); font-weight: 700; }
.badges-lg .badge { padding: .38rem .85rem; font-size: .95rem; background: #fff; box-shadow: var(--sh-1); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: .8rem 0 0; }
.tag {
  display: inline-block; padding: .2rem .58rem; border-radius: 999px;
  background: var(--paper-3); color: var(--ink-3); font-size: .775rem; font-weight: 500;
  text-decoration: none !important; border: 1px solid transparent;
}
a.tag:hover { background: var(--blue-soft); color: var(--blue); border-color: #d7e2fb; }

.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  display: inline-flex; align-items: center; gap: .35em;
  padding: .36rem .78rem; border-radius: 999px;
  background: #fff; border: 1px solid var(--line);
  font-size: .84rem; font-weight: 550; color: var(--ink-2);
  text-decoration: none !important; white-space: nowrap;
}
.chip:hover { border-color: #cbd5e1; background: var(--paper-2); }
.chip.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip .cn { font-size: .74rem; color: var(--muted-2); font-variant-numeric: tabular-nums; }
.chip.is-on .cn { color: rgba(255,255,255,.7); }
.tagbar { padding: 2px 0 22px; }

.cat {
  display: inline-block; padding: .18rem .55rem; border-radius: 5px;
  font-size: .7rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  background: var(--paper-3); color: var(--ink-3);
}
.cat-news            { background: var(--accent-soft); color: var(--accent); }
.cat-guide           { background: var(--blue-soft);   color: var(--blue); }
.cat-scholarship     { background: var(--teal-soft);   color: var(--teal); }
.cat-story           { background: #f5f3ff;            color: #6d28d9; }
.cat-fieldnote       { background: var(--amber-soft);  color: var(--amber); }
.cat-city            { background: #ecfeff;            color: #0e7490; }
.cat-subject         { background: #fdf4ff;            color: #a21caf; }
.cat-university-guide{ background: var(--blue-soft);   color: var(--blue); }
.cat-rankings        { background: var(--ok-soft);     color: var(--ok); }

/* --------------------------------------------------------------- hero */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(2.6rem, 2rem + 4vw, 5rem) 0 clamp(2.2rem, 1.6rem + 3vw, 4rem);
  background:
    radial-gradient(900px 380px at 12% -10%, #fdeef1 0%, transparent 62%),
    radial-gradient(760px 340px at 92% 0%, #eef4ff 0%, transparent 58%),
    var(--paper);
  border-bottom: 1px solid var(--line);
}
.hero .wrap { position: relative; z-index: 1; }
.hero-compact { padding: clamp(1.9rem, 1.4rem + 2.4vw, 3rem) 0 clamp(1.6rem, 1.2rem + 2vw, 2.4rem); }
.hero h1 { max-width: 21ch; margin-bottom: .5em; }
.hero .lead {
  font-size: clamp(1.02rem, .96rem + .45vw, 1.22rem); line-height: 1.62;
  color: var(--ink-3); max-width: 62ch; margin: 0 0 1.4rem;
}
.hero .kicker {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 650; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 .9rem;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 1.4rem; }

.herostats {
  display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1px;
  margin-top: 2.4rem; background: var(--line); border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden;
}
.herostats > * { background: #fff; padding: 1rem 1.1rem; }
.herostats b { display: block; font-family: var(--serif); font-size: 1.65rem; color: var(--ink); line-height: 1.1; }
.herostats span { font-size: .78rem; color: var(--muted); }

/* --------------------------------------------------------------- bands */
.band { padding: clamp(2.4rem, 1.9rem + 3vw, 4rem) 0; }
.band-alt { background: var(--paper-2); border-block: 1px solid var(--line); }
.band-narrow { padding: 1.8rem 0; }
.band-head { margin-bottom: 1.9rem; }
.band-head h2 { margin-top: 0; }
.band-head p { max-width: 66ch; color: var(--ink-3); margin: 0; }
.listhead {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 1.6rem; padding-bottom: .9rem; border-bottom: 1px solid var(--line);
}
.listhead h2 { margin: 0; font-size: clamp(1.3rem, 1.1rem + .9vw, 1.75rem); }
.listhead .more { font-size: .88rem; font-weight: 600; }

/* --------------------------------------------------------------- grids */
.grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 1000px) { .grid.ucards { grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (min-width: 1100px) { .grid.acards, .grid.qcards, .grid.qacards { grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (min-width: 760px) and (max-width: 1099px) { .grid.qcards, .grid.qacards { grid-template-columns: repeat(2, minmax(0,1fr)); } }

/* --------------------------------------------------------------- cards */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 1.15rem 1.2rem; box-shadow: var(--sh-1);
  display: flex; flex-direction: column;
  transition: box-shadow .18s, transform .18s, border-color .18s;
}
.card:hover { box-shadow: var(--sh-2); transform: translateY(-2px); border-color: #d8e0ea; }
.card h3 { margin: 0 0 .35em; font-size: 1.04rem; }
.card h3 a { color: var(--ink); text-decoration: none !important; }
.card h3 a:hover { color: var(--accent); }

/* university card */
.ucard-head { display: flex; gap: 12px; align-items: flex-start; }
.ucard-avatar {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(150deg, var(--night), #2b3b55);
  color: #fff; font-weight: 700; font-size: .9rem; letter-spacing: .04em;
}
.ucard-zh { margin: 2px 0 0; font-size: .82rem; color: var(--muted); }
.ucard .badges { margin: .95rem 0 .2rem; }
.ucard-dek { font-size: .9rem; color: var(--ink-3); margin: .7rem 0 0; }
.ucard-topics { font-size: .84rem; color: var(--ink-3); margin: .55rem 0 0; }
.ucard-topics strong { font-size: .74rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.ucard-meta { list-style: none; margin: auto 0 0; padding: .95rem 0 0; display: grid; gap: 5px; }
.ucard-meta li { display: flex; justify-content: space-between; gap: 12px; font-size: .84rem; border-top: 1px dashed var(--line); padding-top: 5px; }
.ucard-meta span { color: var(--muted); }
.ucard-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 1rem; padding-top: .95rem; border-top: 1px solid var(--line-2); }

/* article card */
.acard .cat { align-self: flex-start; margin-bottom: .7rem; }
.acard-dek { font-size: .91rem; color: var(--ink-3); margin: 0 0 .9rem; }
.acard-meta {
  margin-top: auto; padding-top: .8rem; border-top: 1px solid var(--line-2);
  display: flex; flex-wrap: wrap; gap: 10px; font-size: .78rem; color: var(--muted);
}
.acard .tags { margin-top: .7rem; }

/* side card */
.sidecard {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 1.1rem 1.15rem; box-shadow: var(--sh-1);
}
.sidecard h3 { font-size: .95rem; margin: 0 0 .7rem; }
.sidecard .linklist { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.sidecard .linklist a { font-size: .88rem; font-weight: 550; }
.sidecard-cta { background: linear-gradient(160deg, var(--night), #1e2b42); border-color: transparent; color: #cbd5e1; }
.sidecard-cta h3 { color: #fff; }
.sidecard-cta p { font-size: .87rem; color: #a9b6c9; }

/* --------------------------------------------------------------- prose */
.prose { max-width: 74ch; font-size: 1.02rem; }
.prose h2 { padding-bottom: .35em; border-bottom: 1px solid var(--line-2); }
.prose h3 { margin-top: 1.9em; }
.prose ul, .prose ol { padding-left: 1.35em; margin: 0 0 1.2em; }
.prose li { margin-bottom: .45em; }
.prose ul.dot { list-style: none; padding-left: 0; }
.prose ul.dot li { position: relative; padding-left: 1.5em; }
.prose ul.dot li::before {
  content: ""; position: absolute; left: .3em; top: .62em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.prose blockquote {
  margin: 1.6em 0; padding: .2em 1.2em; border-left: 3px solid var(--accent);
  background: var(--accent-soft); border-radius: 0 var(--r) var(--r) 0; color: var(--ink-2);
}
.prose > :first-child { margin-top: 0; }
.note { font-size: .88rem; color: var(--muted); font-style: normal; }
.lead { font-size: 1.06rem; color: var(--ink-3); }

/* --------------------------------------------------------------- notices */
.notice {
  border: 1px solid var(--line); border-left: 4px solid var(--blue);
  background: var(--blue-soft); border-radius: 0 var(--r) var(--r) 0;
  padding: .95rem 1.1rem; margin: 1.5rem 0; font-size: .92rem;
}
.notice-ok { border-left-color: var(--ok); background: var(--ok-soft); }
.notice-disclaimer { border-left-color: var(--amber); background: var(--amber-soft); font-size: .86rem; }
.notice p:last-child { margin-bottom: 0; }
.quickanswer {
  border: 1px solid #d8e3fb; background: linear-gradient(180deg,#f7faff,#fff);
  border-radius: var(--r-lg); padding: 1.15rem 1.25rem; margin: 1.6rem 0;
}
.quickanswer h2, .quickanswer h3 { margin: 0 0 .5rem; font-size: 1rem; font-family: var(--sans); text-transform: uppercase; letter-spacing: .08em; color: var(--blue); }
.quickanswer p { margin: 0; font-size: 1rem; color: var(--ink-2); }
.quickanswer ul { margin: .6rem 0 0; }

/* --------------------------------------------------------------- tables */
.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.4rem 0; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.tablewrap::-webkit-scrollbar { height: 8px; }
.tablewrap::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
table { border-collapse: collapse; width: 100%; font-size: .88rem; }
th, td { padding: .62rem .8rem; text-align: left; border-bottom: 1px solid var(--line-2); vertical-align: top; }
thead th {
  background: var(--paper-3); color: var(--ink-3); font-size: .74rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; white-space: nowrap;
  position: sticky; top: 0; z-index: 1;
}
tbody th { font-weight: 550; color: var(--ink); white-space: nowrap; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--paper-2); }
td { font-variant-numeric: tabular-nums; }

.ftable { font-size: .89rem; }
.ftable th { width: 44%; color: var(--muted); font-weight: 550; background: transparent; font-size: .89rem; text-transform: none; letter-spacing: 0; }
.ftable td { color: var(--ink); }

.dtable.compare { min-width: 620px; }
.dtable.portals { min-width: 640px; }
.dtable.portals td:nth-child(2) { font-family: var(--mono); font-size: .8rem; word-break: break-all; }

.factbox {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 1.1rem 1.2rem; margin: 1.4rem 0;
}
.factbox-title { font-family: var(--sans); font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); margin: 0 0 .7rem; }
.factbox .ftable { margin: 0; }
.factbox .ftable th, .factbox .ftable td { padding: .42rem .3rem .42rem 0; border-bottom: 1px solid var(--line); }
.factbox .ftable tr:last-child th, .factbox .ftable tr:last-child td { border-bottom: 0; }

/* --------------------------------------------------------------- layout: article & university */
.uni-layout, .article-wrap { display: grid; gap: 30px; padding: clamp(1.8rem,1.5rem+2vw,3rem) 18px; }
@media (min-width: 1000px) {
  .uni-layout, .article-wrap { grid-template-columns: minmax(0,1fr) 318px; gap: 42px; align-items: start; }
  .uni-side, .article-side { position: sticky; top: calc(var(--hdr) + 18px); }
}
.uni-side, .article-side { display: grid; gap: 16px; align-content: start; }
.uni-main, .article-main { min-width: 0; }

.uni-hero { padding: clamp(2rem,1.6rem+3vw,3.3rem) 0 clamp(1.5rem,1.2rem+2vw,2.2rem); background: var(--paper-2); border-bottom: 1px solid var(--line); }
.uni-hero h1 { margin: .5rem 0 .5rem; }
.uni-hero .lead { max-width: 70ch; color: var(--ink-3); }
.uni-hero .badges-lg { margin: 1.1rem 0 0; }

.unistrip { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; margin: 1.4rem 0; }
.unistrip > * { background: #fff; padding: .8rem .95rem; }
.unistrip b { display: block; color: var(--ink); font-size: 1.02rem; }
.unistrip span { font-size: .76rem; color: var(--muted); }

/* step list */
.steps { list-style: none; counter-reset: st; margin: 1.6rem 0; padding: 0; display: grid; gap: 14px; }
.step { position: relative; padding: 1rem 1.15rem 1rem 3.4rem; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-1); }
.stepnum {
  position: absolute; left: 1rem; top: 1rem;
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--night); color: #fff; font-size: .82rem; font-weight: 700;
}
.step h3 { margin: 0 0 .3em; font-size: 1.02rem; }
.step p:last-child { margin: 0; }

/* timeline */
.timeline { position: relative; margin: 1.6rem 0; padding-left: 1.6rem; }
.timeline::before { content: ""; position: absolute; left: 7px; top: .4rem; bottom: .4rem; width: 2px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 1.3rem; }
.tl-item::before { content: ""; position: absolute; left: -1.6rem; top: .48rem; width: 11px; height: 11px; border-radius: 50%; background: #fff; border: 3px solid var(--accent); }
.tl-item b { display: block; font-family: var(--mono); font-size: .82rem; letter-spacing: .02em; color: var(--accent); }
.tl-item p { margin: .25rem 0 0; font-size: .93rem; }

/* checklist */
.checklist { list-style: none; margin: 1.2rem 0; padding: 0; display: grid; gap: 6px 16px; }
@media (min-width: 620px) { .checklist { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); } }
.check { position: relative; padding-left: 1.85rem; font-size: .92rem; line-height: 1.55; }
.check input[type="checkbox"] {
  position: absolute; left: 0; top: .3em; width: 15px; height: 15px; margin: 0;
  accent-color: var(--accent); cursor: pointer;
}
label.check { display: block; cursor: pointer; border-radius: 5px; }
label.check:hover { color: var(--ink); }

/* toc */
.toc { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1rem 1.15rem; margin: 1.5rem 0; }
.toc h2, .toc h3 { font-family: var(--sans); font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); margin: 0 0 .6rem; }
.toc ol { margin: 0; padding-left: 1.2em; font-size: .9rem; }
.toc li { margin-bottom: .3em; }

/* sources */
.sources { margin-top: 2.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line); font-size: .87rem; color: var(--muted); }
.sources h2 { font-family: var(--sans); font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); margin: 0 0 .6rem; }
.sources ol { padding-left: 1.3em; margin: 0; }
.sources li { margin-bottom: .4em; word-break: break-word; }

/* atags */
.atags { margin: 1.6rem 0 0; display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.atags strong { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }

/* --------------------------------------------------------------- filters / toolbar */
.filters {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 1rem 1.1rem; margin-bottom: 1.6rem; box-shadow: var(--sh-1);
}
.frow { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 700px) { .frow { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); align-items: end; } }
.flabel { display: block; font-size: .74rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); margin-bottom: .35rem; }
.filters select, .filters input[type="search"], .filters input[type="text"] {
  width: 100%; padding: .55rem .7rem; font-size: .9rem; color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--r); background: #fff;
}
.filters select:focus, .filters input:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px rgba(29,78,216,.12); }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 1.2rem; }
.toolbar-check { display: block; }
.toolbar-check .checklist { margin: 0 0 1.3rem; }
.toolbar-check .btn { margin-top: 0; }
.resultcount { font-size: .88rem; color: var(--muted); }

/* --------------------------------------------------------------- charts */
.chartfig { margin: 1.6rem 0; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: .8rem .6rem .5rem; box-shadow: var(--sh-1); overflow: hidden; }
.chartfig svg { display: block; width: 100%; height: auto; }
.chartfig figcaption { font-size: .8rem; color: var(--muted); padding: .5rem .6rem .3rem; border-top: 1px solid var(--line-2); }
.cgrid { stroke: #eef2f7; stroke-width: 1; }
.caxis { fill: #8b98ab; font-size: 11px; font-family: var(--mono); }
.clabel { font-size: 12px; font-weight: 700; }
.chartgrid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .chartgrid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.chartcell { min-width: 0; }

/* --------------------------------------------------------------- pager */
.pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin: 2.4rem 0 0; }
.pagenums { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.pagenums a {
  display: grid; place-items: center; min-width: 34px; height: 34px; padding: 0 .5rem;
  border-radius: 8px; border: 1px solid var(--line); background: #fff;
  font-size: .86rem; font-variant-numeric: tabular-nums; color: var(--ink-2);
  text-decoration: none !important;
}
.pagenums a:hover { border-color: #cbd5e1; background: var(--paper-2); }
.pagenums a.is-current { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 700; }
.pagenums .dots { color: var(--muted-2); padding: 0 .2rem; }

/* --------------------------------------------------------------- search */
.searchbig { display: flex; gap: 10px; max-width: 640px; margin: 1.4rem 0; }
.searchbig input {
  flex: 1 1 auto; min-width: 0; padding: .82rem 1rem; font-size: 1rem;
  border: 1px solid var(--line); border-radius: var(--r); background: #fff;
}
.searchbig input:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px rgba(29,78,216,.12); }
.empty { padding: 2.4rem 0; text-align: center; color: var(--muted); }

/* --------------------------------------------------------------- faq */
.faqgrid { display: grid; gap: 12px; }
.faqitem { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-1); overflow: hidden; }
.faqitem summary {
  cursor: pointer; padding: 1rem 1.15rem; font-weight: 600; color: var(--ink);
  font-size: .98rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start;
}
.faqitem summary::-webkit-details-marker { display: none; }
.faqitem summary::after { content: "+"; font-size: 1.2rem; color: var(--accent); line-height: 1; flex: 0 0 auto; }
.faqitem[open] summary::after { content: "–"; }
.faqitem summary:hover { background: var(--paper-2); }
.faqbody { padding: 0 1.15rem 1.15rem; font-size: .95rem; color: var(--ink-3); }
.faqbody p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------- misc blocks */
.qcards, .qacards { display: grid; gap: 16px; }
.qcard, .qacard { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.1rem 1.2rem; box-shadow: var(--sh-1); }
.qcard h3, .qacard h3 { font-size: 1rem; margin: 0 0 .4em; }
.qcard p, .qacard p { font-size: .91rem; margin: 0; color: var(--ink-3); }
.kv { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: .3rem .9rem; font-size: .87rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; color: var(--ink); }

/* --------------------------------------------------------------- footer */
.site-footer { background: var(--night); color: #9fb0c6; margin-top: 3rem; padding: clamp(2.4rem,2rem+2vw,3.6rem) 0 1.6rem; }
.fgrid { display: grid; gap: 30px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .fgrid { grid-template-columns: 1.6fr 1fr 1fr 1fr; } }
.site-footer .logo-text { color: #fff; }
.site-footer .logo-text small { color: #64748b; }
.fbrand p { font-size: .87rem; margin: .9rem 0 0; max-width: 40ch; }
.fbrand .muted { color: #7b8ca3; font-size: .79rem; line-height: 1.6; }
.fcol h4 { color: #fff; font-size: .76rem; letter-spacing: .1em; margin-bottom: .85rem; }
.fcol ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.fcol a { color: #9fb0c6; font-size: .875rem; }
.fcol a:hover { color: #fff; }
.flangs { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 1.15rem 0 0; padding: 0; list-style: none; }
.flangs a { display: inline-flex; align-items: center; gap: 6px; color: #9fb0c6; font-size: .8rem; text-decoration: none; }
.flangs a:hover { color: #fff; }
.flangs a.is-on { color: #fff; font-weight: 600; }
.flangs .flag { box-shadow: inset 0 0 0 1px rgba(255,255,255,.28), 0 1px 2px rgba(0,0,0,.35); }
.fbase {
  margin-top: 2.6rem; padding-top: 1.3rem; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; flex-wrap: wrap; gap: 10px 18px; justify-content: space-between;
  font-size: .8rem; color: #7b8ca3;
}
.fb-links { display: flex; flex-wrap: wrap; gap: 14px; }
.fb-links a { color: #9fb0c6; }

/* --------------------------------------------------------------- to top */
.totop {
  position: fixed; right: 16px; bottom: 16px; z-index: 50;
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  box-shadow: var(--sh-2); cursor: pointer; font-size: 1.05rem;
  opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s;
}
.totop.is-visible { opacity: 1; visibility: visible; }

/* --------------------------------------------------------------- responsive tweaks */
@media (min-width: 940px) {
  .mainnav { display: flex; align-items: center; }
  .menubtn { display: none; }
  .mobilenav { display: none !important; }
  .herostats { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .unistrip { grid-template-columns: repeat(4, minmax(0,1fr)); }
}
@media (max-width: 939px) {
  .searchbar form { flex-wrap: nowrap; }
}
@media (max-width: 559px) {
  body { font-size: 15.5px; }
  .wrap { padding-inline: 15px; }
  .card { padding: 1rem 1.05rem; }
  .hero { border-bottom-color: var(--line); }
  .hero h1 { max-width: none; }
  .btn { padding: .55rem .9rem; }
  .ucard-actions .btn { flex: 1 1 auto; }
  .totop { right: 12px; bottom: 12px; }
  /* keep the header on one line on narrow phones — the drawer lists the names */
  .langbtn { padding: 0 5px; gap: 5px; }
  .langcode { display: none; }
  .langmenu { min-width: min(232px, calc(100vw - 26px)); }
}

/* --------------------------------------------------------------- print */
@media print {
  .site-header, .site-footer, .totop, .searchbar, .mobilenav, .sidecard-cta, .pager { display: none !important; }
  body { font-size: 11.5pt; color: #000; }
  .card, .factbox, .notice, .quickanswer { box-shadow: none; border-color: #bbb; }
  a { color: #000; text-decoration: underline; }
  .uni-layout, .article-wrap { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .card:hover { transform: none; }
}