/* =========================================================
 * StudyUPI · FAQ 单页样式
 * 设计目标:克制、合规、可读、SEO 友好,与主站调性一致
 * ========================================================= */

:root {
  --bg: #fafaf7;
  --bg-card: #ffffff;
  --bg-soft: #f5f3ee;
  --bg-accent: #f8f5ec;

  --ink: #1d1d1b;
  --ink-2: #3a3a37;
  --ink-3: #6b6b66;
  --ink-mute: #9a9a93;

  --line: #e6e3da;
  --line-2: #d8d4c6;

  --brand: #6b3410;          /* UPI 印尼校徽风的暖棕红 */
  --brand-2: #8a4515;
  --brand-soft: #f3e9dd;

  --warn: #b34a18;
  --warn-soft: #fbeee4;

  --ok: #2d6a3c;

  --shadow-sm: 0 1px 2px rgba(20, 16, 8, 0.04);
  --shadow-md: 0 4px 16px rgba(20, 16, 8, 0.06);

  --radius-sm: 4px;
  --radius-md: 8px;

  --max: 880px;
  --max-wide: 1120px;

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--brand);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .15s;
}
a:hover { border-bottom-color: var(--brand); }

/* ---------- 合规招生代理顶条 ---------- */
.compliance-bar {
  background: #2a1d10;
  color: #f0e9d8;
  font-size: 13px;
  padding: 9px 20px;
  text-align: center;
  letter-spacing: .02em;
}
.compliance-bar strong {
  color: #f7c97d;
  font-weight: 500;
}
.compliance-bar .sep {
  margin: 0 10px;
  color: #6b5b3f;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border: 0;
}
.brand:hover { border: 0; }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .02em;
  border-radius: 2px;
  font-family: var(--font-sans);
}
.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-name-cn {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}
.brand-name-en {
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: .04em;
}
.nav-menu {
  display: flex;
  gap: 22px;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav-menu a {
  font-size: 14px;
  color: var(--ink-2);
  border-bottom: none;
}
.nav-menu a:hover { color: var(--brand); border-bottom: none; }
.nav-menu a.current { color: var(--brand); font-weight: 500; }
.nav-cta {
  display: inline-block;
  padding: 7px 16px;
  background: var(--brand);
  color: #fff !important;
  font-size: 13px;
  border-radius: 2px;
  border: 0 !important;
}
.nav-cta:hover { background: var(--brand-2); border: 0 !important; }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 20px 8px;
  font-size: 13px;
  color: var(--ink-3);
}
.breadcrumb a {
  color: var(--ink-3);
  border: 0;
}
.breadcrumb a:hover { color: var(--brand); border: 0; }
.breadcrumb .sep {
  margin: 0 8px;
  color: var(--ink-mute);
}
.breadcrumb [aria-current] { color: var(--ink); }

/* ---------- 文章主区 ---------- */
.faq-article {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 20px 60px;
}

.faq-eyebrow {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
  font-weight: 500;
  margin: 0 0 10px;
}
.faq-eyebrow .qno {
  display: inline-block;
  background: var(--brand-soft);
  color: var(--brand);
  padding: 2px 10px;
  margin-right: 10px;
  border-radius: 2px;
  letter-spacing: .04em;
}

.faq-title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.35;
  font-weight: 600;
  margin: 0 0 14px;
  color: var(--ink);
  letter-spacing: -0.005em;
}

.faq-meta {
  font-size: 13px;
  color: var(--ink-3);
  padding-bottom: 22px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.faq-meta .meta-item { margin-right: 18px; }
.faq-meta a { color: var(--ink-3); border: 0; }
.faq-meta a:hover { color: var(--brand); border: 0; }

/* ---------- 答复区文章正文 ---------- */
.faq-answer { color: var(--ink-2); }
.faq-answer p { margin: 0 0 16px; }
.faq-answer p.lead-answer {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 22px;
}
.faq-answer h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin: 32px 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--brand);
}
.faq-answer h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin: 18px 0 10px;
}
.faq-answer ul, .faq-answer ol {
  padding-left: 22px;
  margin: 0 0 16px;
}
.faq-answer li {
  margin-bottom: 6px;
}
.faq-answer strong { color: var(--ink); font-weight: 600; }

/* ---------- 数据表 ---------- */
.faq-answer .data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 22px;
  font-size: 14.5px;
  background: var(--bg-card);
  border: 1px solid var(--line);
}
.faq-answer .data-table th,
.faq-answer .data-table td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.faq-answer .data-table th {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--ink);
  font-size: 13.5px;
  letter-spacing: .02em;
}
.faq-answer .data-table tr:last-child td { border-bottom: none; }
.faq-answer .data-table.risk-table th { background: var(--warn-soft); color: var(--warn); }

/* ---------- callout 提示框 ---------- */
.faq-answer .callout {
  background: var(--bg-accent);
  border-left: 3px solid var(--brand);
  padding: 16px 18px;
  margin: 22px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14.5px;
  color: var(--ink-2);
}
.faq-answer .callout p { margin: 0 0 10px; }
.faq-answer .callout p:last-child { margin-bottom: 0; }
.faq-answer .callout-warn {
  background: var(--warn-soft);
  border-left-color: var(--warn);
}

/* ---------- scenario box ---------- */
.faq-answer .scenario-box {
  border: 1px solid var(--line);
  padding: 14px 18px;
  margin: 14px 0;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
}
.faq-answer .scenario-box h4 {
  margin: 0 0 10px;
  color: var(--ok);
  font-size: 14.5px;
}
.faq-answer .scenario-box-warn h4 { color: var(--warn); }
.faq-answer .scenario-box ul { margin-bottom: 0; }

/* ---------- 相关问题 ---------- */
.related-block {
  max-width: var(--max);
  margin: 40px auto 0;
  padding: 26px 20px;
  background: var(--bg-soft);
  border-radius: var(--radius-md);
}
.related-block .label {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
  margin: 0 0 14px;
  font-weight: 500;
}
.related-block h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 16px;
}
.related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.related-list a {
  display: block;
  background: var(--bg-card);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 14.5px;
  transition: border-color .15s, background .15s;
}
.related-list a:hover {
  border-color: var(--brand);
  background: var(--bg-accent);
}
.related-list a .qn {
  display: inline-block;
  color: var(--brand);
  font-weight: 600;
  font-size: 13px;
  margin-right: 8px;
  font-family: var(--font-sans);
}

/* ---------- 上下一题导航 ---------- */
.prev-next-nav {
  max-width: var(--max);
  margin: 32px auto 0;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.prev-next-nav a {
  display: block;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  font-size: 14px;
  transition: all .15s;
}
.prev-next-nav a:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.prev-next-nav .nav-direction {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 4px;
  letter-spacing: .04em;
}
.prev-next-nav .next-link { text-align: right; }
.prev-next-nav .next-link .nav-direction { text-align: right; }
.prev-next-nav .placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line);
  background: transparent;
  color: var(--ink-mute);
  font-size: 13px;
  padding: 16px;
  border-radius: var(--radius-sm);
}

/* ---------- 行动召唤 ---------- */
.cta-block {
  max-width: var(--max);
  margin: 40px auto 0;
  padding: 28px 24px;
  background: linear-gradient(135deg, #2a1d10 0%, #4a2e15 100%);
  color: #f0e9d8;
  border-radius: var(--radius-md);
  text-align: center;
}
.cta-block h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin: 0 0 8px;
  color: #fff;
  font-weight: 600;
}
.cta-block p {
  font-size: 14.5px;
  margin: 0 0 18px;
  color: #d4c8a8;
}
.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-buttons a {
  display: inline-block;
  padding: 11px 22px;
  font-size: 14px;
  border-radius: 2px;
  border: 0;
  transition: all .15s;
}
.cta-buttons .primary {
  background: #f7c97d;
  color: #2a1d10 !important;
  font-weight: 600;
}
.cta-buttons .primary:hover { background: #fad99a; }
.cta-buttons .secondary {
  background: transparent;
  color: #f0e9d8 !important;
  border: 1px solid #6b5b3f !important;
}
.cta-buttons .secondary:hover { border-color: #f0e9d8 !important; }

/* ---------- 分类页专用 ---------- */
.category-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 30px 20px 8px;
}
.category-hero .cat-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--brand);
  font-weight: 500;
  margin: 0 0 12px;
  text-transform: uppercase;
}
.category-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4.5vw, 42px);
  margin: 0 0 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.category-hero .lead {
  font-size: 16.5px;
  color: var(--ink-2);
  line-height: 1.75;
  max-width: 680px;
}

.question-list {
  max-width: var(--max);
  margin: 24px auto 0;
  padding: 0 20px 50px;
  display: grid;
  gap: 14px;
}
.q-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  color: var(--ink);
  transition: all .15s;
}
.q-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--brand);
}
.q-card .qn {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--brand);
  font-weight: 500;
  margin-bottom: 6px;
}
.q-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--ink);
}
.q-card .q-excerpt {
  font-size: 14px;
  color: var(--ink-3);
  margin: 0;
  line-height: 1.65;
}

/* category jump list at top of category page */
.other-categories {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px;
}
.other-categories h4 {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin: 0 0 12px;
  font-weight: 500;
}
.cat-jump {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.cat-jump a {
  font-size: 13px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: var(--bg-card);
  color: var(--ink-2);
  border-radius: 2px;
}
.cat-jump a:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.cat-jump a.current {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #1a1208;
  color: #b8a982;
  padding: 40px 20px 24px;
  margin-top: 60px;
  font-size: 13.5px;
}
.footer-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
}
.footer-top {
  padding-bottom: 26px;
  border-bottom: 1px solid #3a2c18;
  margin-bottom: 22px;
}
.footer-brand {
  font-family: var(--font-serif);
  font-size: 18px;
  color: #f7c97d;
  margin-bottom: 6px;
  font-weight: 600;
}
.footer-brand-en {
  font-size: 12px;
  color: #6b5b3f;
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.footer-disclaimer {
  font-size: 13px;
  line-height: 1.75;
  color: #8a7e60;
  max-width: 720px;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 30px;
}
.footer-col h5 {
  font-size: 12px;
  letter-spacing: .12em;
  color: #f7c97d;
  text-transform: uppercase;
  font-weight: 500;
  margin: 0 0 12px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li {
  margin-bottom: 8px;
}
.footer-col a {
  color: #b8a982;
  font-size: 13.5px;
  border: 0;
}
.footer-col a:hover { color: #f7c97d; border: 0; }
.footer-bottom {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid #3a2c18;
  text-align: center;
  font-size: 12.5px;
  color: #6b5b3f;
}
.footer-bottom .icp { margin: 0 8px; }
.footer-bottom a { color: #6b5b3f; border: 0; }
.footer-bottom a:hover { color: #b8a982; border: 0; }

/* ---------- 移动端 ---------- */
@media (max-width: 720px) {
  .nav-inner {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 16px;
  }
  .nav-menu {
    width: 100%;
    margin-left: 0;
    gap: 14px;
    font-size: 13px;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }
  .nav-menu a { white-space: nowrap; flex-shrink: 0; }
  .nav-cta { display: none; }

  .breadcrumb { padding: 14px 16px 6px; font-size: 12px; }
  .faq-article { padding: 14px 16px 40px; }

  .compliance-bar { font-size: 12px; padding: 8px 14px; }
  .compliance-bar .sep { display: block; height: 0; visibility: hidden; }

  .prev-next-nav { grid-template-columns: 1fr; }

  .faq-answer .data-table { font-size: 13.5px; }
  .faq-answer .data-table th, .faq-answer .data-table td { padding: 9px 10px; }

  .cta-buttons { flex-direction: column; }
  .cta-buttons a { width: 100%; }
}

/* ---------- print ---------- */
@media print {
  .compliance-bar, .site-header, .prev-next-nav, .cta-block, .related-block, .site-footer { display: none; }
  body { background: #fff; }
  .faq-article { max-width: 100%; padding: 0; }
  a { color: #000; border: 0; }
}