:root {
  --ink: #193d50;
  --accent: #23698b;
  --text: #293c46;
  --muted: #64757f;
  --line: #dce6ec;
  --tint: #f0f6f9;
  --paper: #fff;
  --font: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 20px; }
body { margin: 0; color: var(--text); background: var(--paper); font-family: var(--font); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
button { color: inherit; }
button, input, select { -webkit-tap-highlight-color: transparent; }
button { background: none; border: 0; }
button:disabled { cursor: default; }
svg { flex-shrink: 0; vertical-align: middle; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { color: var(--ink); font-weight: 550; }
::selection { background: #d1e5ef; color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.container { width: calc(100% - 112px); max-width: 1264px; margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 20px; top: 15px; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; z-index: 20; background: var(--ink); color: white; }
.skip-link:focus { width: auto; height: auto; padding: 10px 20px; overflow: visible; clip-path: none; }
.site-header { background: #fff; }
.masthead { min-height: 82px; display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.brand { display: flex; align-items: center; gap: 15px; color: var(--ink); }
.brand-title { display: block; font-size: 23px; font-weight: 550; letter-spacing: .03em; line-height: 1.5; }
.brand-caption { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; letter-spacing: .08em; }
.brand-divider { color: #a0aeb7; margin: 0 7px; }
.masthead-note { color: var(--muted); font-size: 14px; letter-spacing: .06em; }
.navigation-wrap { border-bottom: 1px solid var(--line); }
.navigation { display: flex; justify-content: space-between; align-items: center; min-height: 59px; }
.primary-nav, .utility-nav { display: flex; align-items: center; gap: 30px; }
.primary-nav a { position: relative; padding: 14px 4px 16px; font-size: 15px; }
.primary-nav a::after { content: ''; position: absolute; bottom: 0; left: 4px; right: 4px; height: 2px; background: var(--accent); transform: scaleX(0); transition: transform .18s ease; }
.primary-nav a.active { color: var(--accent); font-weight: 550; }
.primary-nav a.active::after, .primary-nav a:hover::after { transform: scaleX(1); }
.utility-nav { gap: 21px; font-size: 14px; }
.navigation-divider { height: 15px; width: 1px; background: var(--line); }
.global-search-button { display: flex; align-items: center; gap: 10px; padding: 5px 0; }
kbd { font-family: inherit; font-size: 12px; line-height: 22px; min-width: 23px; height: 23px; text-align: center; border: 1px solid var(--line); border-radius: 3px; color: var(--muted); }
.menu-toggle { display: none !important; }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 3px; }
.icon-button:hover { background: var(--tint); }
main:focus { outline: none; }
.home { padding-top: 32px; padding-bottom: 50px; }
.hero { position: relative; isolation: isolate; display: grid; grid-template-columns: 1.17fr 1fr; min-height: 370px; background: var(--tint); overflow: hidden; border-radius: 3px; }
.hero-copy { padding: 46px 12px 46px 46px; align-self: center; position: relative; z-index: 2; }
.eyebrow { display: block; color: var(--accent); font-size: 12px; font-weight: 500; letter-spacing: .17em; line-height: 1.6; }
.hero .eyebrow { display: flex; align-items: center; gap: 12px; }
.hero .eyebrow::before { content: ''; width: 25px; height: 1px; background: #7196aa; }
.hero h1 { font-size: clamp(30px, 3.05vw, 46px); letter-spacing: .015em; line-height: 1.48; font-weight: 550; margin: 0 0 14px; }
.hero-description { color: #5d707c; font-size: 16px; line-height: 1.95; }
.search-form { display: flex; align-items: center; gap: 12px; }
.hero-search { margin-top: 26px; max-width: 506px; background: white; border: 1px solid #d1dfe7; border-radius: 3px; padding: 6px 7px 6px 14px; gap: 11px; box-shadow: 0 3px 12px #193d5004; }
.search-form input { flex: 1; min-width: 0; background: transparent; color: var(--text); border: 0; outline: 0; padding: 6px 0; font-size: 14px; }
.search-form input::placeholder { color: #778a96; }
.search-form:focus-within { border-color: var(--accent); box-shadow: 0 0 0 2px #23698b12; }
.hero-search > svg { color: #7a8e9a; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 19px; min-height: 42px; font-size: 14px; font-weight: 500; line-height: 1.5; border-radius: 3px; transition: background .18s, border-color .18s; }
.button-primary { background: var(--accent); color: #fff; border: 1px solid var(--accent); }
.button-primary:hover { background: #195570; border-color: #195570; }
.button-secondary { border: 1px solid #c6d8e2; color: var(--accent); background: white; }
.button-secondary:hover { background: var(--tint); }
.quick-searches { display: flex; gap: 13px; flex-wrap: wrap; align-items: center; font-size: 12px; margin-top: 14px; color: var(--muted); }
.quick-searches button { padding: 2px 0; border-bottom: 1px solid #b7cbd6; font-size: 12px; color: #526d7c; }
.quick-searches button:hover { color: var(--accent); border-color: var(--accent); }
.hero-map { position: relative; display: flex; align-items: center; justify-content: center; padding: 15px 6px 10px 0; }
.map-visual { position: relative; width: min(100%, 440px); aspect-ratio: 620 / 490; opacity: .98; }
.map-visual > img { width: 100%; height: 100%; opacity: .85; mask-image: linear-gradient(90deg, transparent 0, black 10%, black 91%, transparent 100%); }
.map-title { position: absolute; top: 30px; right: 29px; z-index: 1; display: flex; flex-direction: column; align-items: flex-end; }
.map-title strong { color: #536f80; font-size: 13px; font-weight: 500; letter-spacing: .1em; }
.map-title span { color: #8398a5; font-size: 10px; letter-spacing: .17em; margin-top: 3px; }
.map-label { position: absolute; font-size: 12px; color: #30546a; display: flex; align-items: center; gap: 7px; padding: 3px 6px; background: #f0f6f9e6; border-radius: 2px; line-height: 1.5; }
.map-label::before { content: ''; width: 5px; height: 5px; border: 2px solid #f0f6f9; background: #477a96; border-radius: 50%; box-sizing: content-box; box-shadow: 0 0 0 1px #6991a766; }
.map-label:hover { background: white; color: var(--accent); }
.map-label.thailand { top: 37%; left: 16%; }
.map-label.vietnam { top: 31%; left: 32%; }
.map-label.malaysia { top: 57%; left: 25%; }
.map-label.singapore { top: 65%; left: 27%; }
.map-label.indonesia { top: 78%; left: 49%; }
.map-label.philippines { top: 37%; left: 59%; }
.map-caption { position: absolute; bottom: 20px; right: 30px; font-size: 11px; color: #758f9d; letter-spacing: .06em; }
.section { margin-top: 55px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 23px; }
.section-title { font-size: 25px; letter-spacing: .035em; font-weight: 550; line-height: 1.45; }
.section-subtitle { color: var(--muted); font-size: 14px; margin-top: 7px; }
.section-overline { margin-bottom: 8px; color: #6c8290; font-size: 11px; letter-spacing: .15em; }
.text-link { color: var(--accent); font-size: 14px; border-bottom: 1px solid #a8c3d2; padding-bottom: 2px; white-space: nowrap; }
.text-link:hover { border-color: var(--accent); }
.topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.topic-card { display: flex; flex-direction: column; border: 1px solid var(--line); padding: 23px; min-height: 152px; border-radius: 3px; transition: background .18s, border-color .18s, transform .18s; }
.topic-card:hover { background: #f6fafc; border-color: #b8cfdb; transform: translateY(-3px); }
.topic-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 17px; color: #5a8298; }
.topic-count { font-size: 12px; color: #7b8c95; }
.topic-card h3 { font-size: 18px; line-height: 1.5; font-weight: 550; }
.topic-card .english { color: #80919b; font-size: 11px; letter-spacing: .025em; margin: 3px 0 10px; }
.topic-card p { font-size: 13px; color: var(--muted); line-height: 1.9; }
.topic-card-bottom { display: flex; flex-wrap: wrap; gap: 7px; border-top: 1px solid #e7eef2; padding-top: 14px; margin-top: auto; }
.topic-card-bottom span { font-size: 11px; color: #688496; }
.topic-card-bottom span + span::before { content: '/'; color: #b4c7d2; margin-right: 7px; }
.home-lower { display: grid; grid-template-columns: minmax(0,1fr) 305px; gap: 54px; margin-top: 57px; }
.home-readings .section-heading { margin-bottom: 13px; }
.reading-list { border-top: 1px solid var(--line); }
.reading-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.reading-row a { display: block; }
.reading-row h3 { font-size: 16px; font-weight: 500; line-height: 1.7; }
.reading-row h3:hover { color: var(--accent); }
.reading-row .meta { margin-bottom: 4px; }
.meta { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; color: var(--muted); font-size: 12px; line-height: 1.6; }
.meta-separator { width: 3px; height: 3px; background: #9bafb9; border-radius: 50%; }
.reading-row time { color: #80929c; font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.start-panel { border-left: 1px solid var(--line); padding-left: 31px; align-self: stretch; }
.start-panel .eyebrow { font-size: 11px; margin-bottom: 11px; }
.start-panel h2 { font-size: 20px; margin-bottom: 10px; }
.start-panel p { font-size: 14px; color: var(--muted); line-height: 1.95; }
.start-panel .button { margin-top: 22px; }
.start-panel-note { margin-top: 27px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; color: #83949e; }
.home-source-note { display: flex; align-items: center; gap: 11px; margin: 40px 0 50px; padding: 14px 18px; background: #f7fafb; color: #6f828e; font-size: 12px; border-radius: 3px; }
.home-source-note a { color: var(--accent); border-bottom: 1px solid #c6d9e2; margin-left: auto; white-space: nowrap; }
.site-footer { border-top: 1px solid var(--line); margin-top: 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 31px 0 35px; }
.footer-brand { font-size: 15px; color: var(--ink); font-weight: 500; }
.footer-inner p { font-size: 12px; margin-top: 5px; color: #83939c; }
.footer-links { display: flex; justify-content: flex-end; align-items: center; gap: 25px; flex-wrap: wrap; font-size: 12px; color: #677f8d; }
.footer-links > span { color: #8a9ba5; }
.page { padding-top: 28px; padding-bottom: 70px; min-height: 65vh; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 10px; color: #6c8391; font-size: 12px; margin-bottom: 36px; }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs span { color: #a6b6bf; }
.page-header { max-width: 850px; margin-bottom: 39px; }
.page-header .eyebrow { margin-bottom: 10px; }
.page-header h1 { font-size: 36px; line-height: 1.45; letter-spacing: .02em; }
.page-header p { margin-top: 14px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.page-header-count { display: inline-flex; margin-left: 13px; font-size: 14px; font-weight: 400; vertical-align: middle; color: #8398a5; letter-spacing: 0; }
.topic-page-grid { gap: 24px; }
.topic-page-grid .topic-card { min-height: 155px; }
.topic-page-grid .topic-card p { font-size: 14px; margin-bottom: 18px; }
.question-panel { background: var(--tint); display: grid; grid-template-columns: 1.1fr 1fr; gap: 46px; padding: 28px 32px; border-radius: 3px; margin-bottom: 38px; }
.question-panel h2 { font-size: 21px; margin-top: 12px; line-height: 1.8; }
.question-panel ul { padding-left: 20px; margin: 6px 0 0; font-size: 14px; color: #657c89; line-height: 2.1; }
.topic-guide { margin: -10px 0 32px; }
.topic-guide summary { cursor: pointer; color: var(--muted); font-size: 14px; width: fit-content; }
.topic-guide .question-panel { margin: 16px 0 0; }
.topic-guide .question-panel h2 { margin-top: 0; }
.filter-panel { background: #f6f9fb; border: 1px solid #e8eef2; border-radius: 3px; padding: 23px 27px 24px; margin-bottom: 25px; }
.library-search { background: white; border: 1px solid #d2dfe7; padding: 5px 6px 5px 15px; border-radius: 3px; margin-bottom: 21px; max-width: 710px; }
.library-search > svg { color: #7f939f; }
.filter-group { display: flex; align-items: flex-start; gap: 21px; margin-top: 12px; }
.filter-label { flex: 0 0 60px; color: #758a97; font-size: 13px; line-height: 36px; }
.filter-options { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-button { padding: 6px 13px; border: 1px solid transparent; border-radius: 3px; font-size: 13px; line-height: 1.7; color: #627a88; }
.filter-button:hover { color: var(--accent); background: #e9f1f5; }
.filter-button.selected { color: white; background: var(--accent); border-color: var(--accent); }
.result-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin: 26px 0 15px; font-size: 14px; color: #6a8190; }
.result-toolbar strong { color: var(--ink); font-weight: 550; margin: 0 3px; }
.toolbar-actions { display: flex; align-items: center; gap: 16px; }
.clear-filter { color: var(--accent); font-size: 13px; border-bottom: 1px solid #aac4d2; padding: 0 0 1px; }
.sort-select { border: 1px solid var(--line); padding: 5px 9px; color: #617985; background: white; border-radius: 3px; font-size: 13px; }
.material-list { border-top: 1px solid var(--line); }
.material-card { display: grid; grid-template-columns: 115px minmax(0,1fr) 92px; gap: 28px; padding: 25px 0; border-bottom: 1px solid var(--line); align-items: start; }
.material-type { font-size: 12px; display: inline-block; border-radius: 2px; padding: 4px 9px; background: #ecf3f7; color: #54788f; width: fit-content; }
.material-type[data-type="阅读清单"] { background: #eef4f2; color: #57766b; }
.material-type[data-type="案例索引"] { background: #f0f2f7; color: #6d7996; }
.material-card h2, .material-card h3 { font-size: 19px; line-height: 1.65; font-weight: 500; margin-top: -3px; }
.material-card h2:hover, .material-card h3:hover { color: var(--accent); }
.material-card .meta { margin-top: 6px; }
.material-card p { font-size: 14px; color: #72838d; margin: 7px 0 11px; line-height: 1.9; }
.material-card time { font-size: 12px; color: #8799a4; margin-top: 4px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.tag { font-size: 11px; color: #70899a; background: #f5f8fa; padding: 2px 7px; border-radius: 2px; }
.demo-mark { color: #88959d; font-size: 11px; }
.empty-state { text-align: center; padding: 75px 20px; border-bottom: 1px solid var(--line); color: #78909e; }
.empty-state h2 { font-size: 23px; margin: 16px 0 8px; }
.empty-state p { font-size: 14px; margin-bottom: 24px; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 72px; }
.article-header { border-bottom: 1px solid var(--line); padding-bottom: 25px; margin-bottom: 25px; }
.article-header h1 { font-size: 32px; line-height: 1.65; margin: 16px 0 17px; }
.article-lead { font-size: 16px; color: #5d7888; line-height: 2; margin-top: 24px; padding: 20px 23px; background: var(--tint); border-left: 2px solid #99bdce; }
.article-section { margin-top: 32px; }
.article-section h2 { font-size: 22px; margin-bottom: 14px; }
.article-section p { color: #536a78; line-height: 2.1; margin-top: 13px; }
.article-section ul { padding-left: 23px; color: #536a78; line-height: 2.1; }
.article-aside { padding-top: 6px; }
.aside-block { padding: 23px 0; border-bottom: 1px solid var(--line); }
.aside-block:first-child { padding-top: 0; }
.aside-title { font-size: 13px; color: #738c9c; margin-bottom: 16px; font-weight: 500; }
.article-aside dl { margin: 0; font-size: 13px; }
.article-aside dl > div { display: grid; grid-template-columns: 65px 1fr; gap: 13px; margin-top: 10px; }
.article-aside dt { color: #8a9ba5; }
.article-aside dd { margin: 0; color: #516e80; }
.article-aside .topic-filter-link { color: var(--accent); border-bottom: 1px solid #c4d5df; }
.article-aside .toc { display: flex; flex-direction: column; gap: 11px; font-size: 13px; color: #6a8291; }
.article-aside .toc a:hover { color: var(--accent); }
.aside-note { font-size: 12px; color: #83949e; line-height: 1.9; }
.related-list { margin-top: 50px; padding-top: 25px; border-top: 1px solid var(--line); }
.related-list h2 { font-size: 20px; margin-bottom: 17px; }
.related-list > a { display: block; color: #587b91; font-size: 14px; padding: 8px 0; }
.related-list > a:hover { color: var(--accent); }
.guide-layout { display: grid; grid-template-columns: 200px minmax(0,1fr); gap: 58px; }
.guide-nav { display: flex; flex-direction: column; gap: 5px; border-top: 1px solid var(--line); padding-top: 15px; font-size: 14px; color: #708997; align-self: start; position: sticky; top: 20px; }
.guide-nav a { padding: 8px 0; }
.guide-step { display: grid; grid-template-columns: 45px minmax(0,1fr); gap: 20px; padding-bottom: 31px; margin-bottom: 30px; border-bottom: 1px solid var(--line); scroll-margin-top: 30px; }
.guide-number { font-size: 14px; line-height: 40px; color: #93acbc; font-variant-numeric: tabular-nums; }
.guide-step h2 { font-size: 23px; margin-bottom: 13px; }
.guide-step p { color: #6a808d; line-height: 2; margin-bottom: 18px; }
.about-content { max-width: 900px; }
.about-intro { background: var(--tint); border-radius: 3px; padding: 28px 31px; line-height: 2; color: #5f7b8c; margin-bottom: 36px; }
.about-section { margin-bottom: 35px; }
.about-section h2 { font-size: 23px; margin-bottom: 14px; }
.about-section p { color: #657e8d; line-height: 2; margin-top: 10px; }
.source-fields { margin-top: 18px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.source-field { padding: 16px 19px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.source-field strong { display: block; color: #456b82; font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.source-field span { font-size: 12px; color: #8297a4; }
dialog { border: 1px solid #d4e2e9; border-radius: 5px; padding: 30px; color: var(--text); width: min(620px, calc(100% - 40px)); box-shadow: 0 20px 80px #12394d24; }
dialog::backdrop { background: #18374440; backdrop-filter: blur(3px); }
.search-dialog-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 23px; }
.search-dialog-header h2 { font-size: 24px; margin-top: 7px; }
.dialog-search { border: 1px solid #d2e0e7; border-radius: 3px; padding: 6px 7px 6px 15px; }
.search-hint { color: #899ba5; font-size: 12px; margin: 24px 0 10px; }
.suggestions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.suggestions button { font-size: 13px; color: #5b7a8c; background: var(--tint); padding: 6px 13px; border-radius: 3px; }
.suggestions button:hover { color: var(--accent); background: #e6f0f5; }
.dialog-note { font-size: 12px; color: #93a4ae; margin-top: 30px; }
.noscript-notice { margin: 20px; color: var(--accent); }
@media (min-width: 1600px) { .hero h1 { font-size: 46px; } }
@media (max-width: 1150px) {
  .container { width: calc(100% - 64px); }
  .hero-copy { padding: 40px 10px 38px 34px; }
  .hero h1 { font-size: 36px; }
  .hero-description { font-size: 14px; }
  .topic-card { padding: 19px 17px; }
  .topic-card h3 { font-size: 16px; }
  .home-lower { grid-template-columns: minmax(0,1fr) 250px; gap: 34px; }
  .article-layout { gap: 40px; grid-template-columns: minmax(0,1fr) 245px; }
  .map-label { font-size: 11px; }
  .map-caption { font-size: 10px; right: 20px; }
}
@media (max-width: 850px) {
  .container { width: calc(100% - 48px); }
  .masthead-note { display: none; }
  .hero { grid-template-columns: 1.25fr 1fr; }
  .hero-copy { padding: 35px 6px 32px 26px; }
  .hero h1 { font-size: 30px; }
  .hero-description br { display: none; }
  .hero-search { gap: 7px; padding-left: 10px; }
  .hero-search input { font-size: 12px; }
  .hero-search .button { padding-left: 13px; padding-right: 13px; }
  .hero-map { min-height: 350px; }
  .map-title { top: 40px; right: 20px; }
  .map-label { font-size: 10px; gap: 3px; }
  .map-caption { font-size: 9px; }
  .topic-grid { grid-template-columns: repeat(2,1fr); }
  .topic-card { min-height: 152px; }
  .topic-card h3 { font-size: 18px; }
  .home-lower { gap: 28px; grid-template-columns: minmax(0,1fr) 225px; }
  .start-panel { padding-left: 22px; }
  .footer-inner { align-items: flex-start; }
  .footer-links { gap: 13px 22px; max-width: 300px; }
  .article-layout { grid-template-columns: minmax(0,1fr); gap: 30px; }
  .article-aside { border-top: 1px solid var(--line); padding-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
  .article-aside .aside-block { padding-top: 0; }
  .guide-layout { grid-template-columns: 155px minmax(0,1fr); gap: 30px; }
  .question-panel { gap: 25px; }
}
@media (max-width: 620px) {
  .container { width: calc(100% - 40px); }
  .masthead { min-height: 84px; gap: 12px; }
  .brand { gap: 10px; }
  .brand-mark { width: 31px; height: 31px; }
  .brand-title { font-size: 18px; }
  .brand-caption { font-size: 10px; letter-spacing: .03em; }
  .brand-divider { margin: 0 4px; }
  .menu-toggle { display: inline-flex !important; flex-shrink: 0; }
  .navigation-wrap { border-bottom: 1px solid var(--line); }
  .navigation { display: none; min-height: 0; padding-bottom: 15px; align-items: stretch; }
  .navigation.is-open { display: flex; flex-direction: column; gap: 15px; }
  .primary-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 10px; }
  .primary-nav a { padding: 8px 12px; font-size: 14px; border-radius: 3px; }
  .primary-nav a.active { background: var(--tint); }
  .primary-nav a::after { display: none; }
  .utility-nav { padding: 7px 12px 0; justify-content: space-between; }
  .navigation-divider { display: none; }
  .home { padding-top: 20px; }
  .hero { display: block; min-height: 0; }
  .hero-copy { padding: 28px 24px 15px; }
  .hero .eyebrow { font-size: 10px; letter-spacing: .12em; gap: 8px; }
  .hero .eyebrow::before { width: 16px; }
  .hero h1 { font-size: clamp(24px, 6.3vw, 32px); margin-top: 0; margin-bottom: 14px; letter-spacing: .005em; }
  .hero-description { font-size: 14px; line-height: 1.9; }
  .hero-search { margin-top: 22px; }
  .hero-search > svg { width: 15px; }
  .hero-search input { font-size: 13px; }
  .hero-search .button { padding: 8px 12px; font-size: 13px; min-height: 37px; }
  .quick-searches { gap: 12px; font-size: 11px; margin-top: 12px; }
  .quick-searches button { font-size: 11px; }
  .hero-map { height: 185px; min-height: 0; padding: 0 12px 0 25px; overflow: hidden; }
  .map-visual { max-width: 285px; margin: -8px auto 0; }
  .map-title { top: 14px; right: 26px; }
  .map-title strong { font-size: 11px; }
  .map-title span { font-size: 9px; }
  .map-caption { bottom: 10px; font-size: 9px; right: 22px; }
  .map-label { font-size: 10px; }
  .section { margin-top: 36px; }
  .section-heading { gap: 15px; margin-bottom: 18px; align-items: center; }
  .section-title { font-size: 21px; }
  .section-subtitle { font-size: 12px; margin-top: 6px; }
  .section-overline { font-size: 10px; margin-bottom: 7px; }
  .text-link { font-size: 12px; }
  .topic-grid { gap: 12px; }
  .topic-card { padding: 20px 16px; min-height: 132px; }
  .topic-card-top { margin-bottom: 13px; }
  .topic-card-top svg { width: 25px; height: 25px; }
  .topic-count { font-size: 11px; }
  .topic-card h3 { font-size: 16px; }
  .topic-card .english { font-size: 10px; margin-bottom: 8px; }
  .topic-card p { font-size: 12px; line-height: 1.9; }
  .topic-card-bottom { margin-top: 16px; padding-top: 11px; gap: 4px; }
  .topic-card-bottom span { font-size: 10px; }
  .home-lower { display: block; margin-top: 36px; }
  .reading-row { gap: 16px; padding: 18px 0; }
  .reading-row h3 { font-size: 14px; }
  .reading-row time { font-size: 10px; }
  .meta { font-size: 11px; gap: 7px; }
  .start-panel { margin-top: 30px; border-left: 0; padding: 23px; background: var(--tint); border-radius: 3px; }
  .start-panel h2 { font-size: 19px; }
  .start-panel p { font-size: 13px; }
  .start-panel-note { margin-top: 23px; }
  .home-source-note { margin: 25px 0 35px; font-size: 11px; align-items: flex-start; gap: 8px; flex-wrap: wrap; padding: 12px 14px; }
  .home-source-note > span { flex: 1; }
  .home-source-note a { margin-left: 25px; }
  .footer-inner { flex-direction: column; gap: 22px; padding: 25px 0; }
  .footer-links { justify-content: flex-start; max-width: none; font-size: 11px; gap: 12px 20px; }
  .footer-links > span { flex-basis: 100%; }
  .page { padding-top: 21px; padding-bottom: 40px; }
  .breadcrumbs { margin-bottom: 24px; font-size: 11px; }
  .page-header { margin-bottom: 27px; }
  .page-header h1 { font-size: 29px; }
  .page-header .eyebrow { font-size: 10px; }
  .page-header p { font-size: 14px; margin-top: 12px; }
  .page-header-count { font-size: 12px; margin-left: 9px; }
  .topic-page-grid .topic-card { min-height: 132px; }
  .topic-page-grid .topic-card p { font-size: 12px; }
  .question-panel { display: block; padding: 22px; margin-bottom: 28px; }
  .question-panel h2 { font-size: 18px; }
  .question-panel ul { font-size: 13px; margin-top: 17px; }
  .filter-panel { padding: 17px 15px 19px; margin-bottom: 20px; }
  .library-search { padding-left: 10px; gap: 7px; margin-bottom: 17px; }
  .library-search input { font-size: 13px; }
  .library-search .button { min-height: 36px; padding: 7px 12px; font-size: 12px; }
  .filter-group { display: block; margin-top: 16px; }
  .filter-label { display: block; font-size: 12px; line-height: 1.5; margin-bottom: 8px; }
  .filter-options { gap: 5px; }
  .filter-button { font-size: 12px; padding: 5px 10px; }
  .result-toolbar { font-size: 12px; gap: 8px; align-items: flex-start; }
  .toolbar-actions { gap: 12px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
  .sort-select, .clear-filter { font-size: 11px; }
  .material-card { grid-template-columns: 1fr auto; gap: 10px 15px; padding: 20px 0; }
  .material-card > .material-type { grid-row: 1; grid-column: 1; font-size: 11px; }
  .material-card > div { grid-column: 1 / -1; grid-row: 2; }
  .material-card time { grid-row: 1; grid-column: 2; font-size: 11px; }
  .material-card h2, .material-card h3 { font-size: 17px; margin-top: 2px; }
  .material-card p { font-size: 13px; margin: 8px 0 10px; }
  .article-header h1 { font-size: 26px; }
  .article-lead { font-size: 14px; padding: 17px 20px; }
  .article-section h2 { font-size: 20px; }
  .article-section p, .article-section ul { font-size: 15px; }
  .article-aside { grid-template-columns: 1fr; gap: 24px; }
  .guide-layout { display: block; }
  .guide-nav { position: static; flex-direction: row; flex-wrap: wrap; gap: 6px 20px; padding: 10px 0; border-bottom: 1px solid var(--line); margin-bottom: 28px; font-size: 12px; }
  .guide-step { grid-template-columns: 27px minmax(0,1fr); gap: 12px; margin-bottom: 25px; padding-bottom: 25px; }
  .guide-step h2 { font-size: 20px; }
  .guide-step p { font-size: 14px; }
  .about-intro { padding: 21px 23px; font-size: 14px; }
  .about-section h2 { font-size: 21px; }
  .about-section p { font-size: 14px; }
  .source-fields { grid-template-columns: repeat(2,1fr); }
  .source-field { padding: 13px 14px; }
  dialog { padding: 23px; width: calc(100% - 32px); }
  .search-dialog-header h2 { font-size: 22px; }
  .dialog-search input { font-size: 13px; }
  .dialog-search .button { font-size: 13px; padding-left: 14px; padding-right: 14px; }
}
@media (max-width: 359px) {
  .container { width: calc(100% - 28px); }
  .brand-title { font-size: 16px; }
  .brand-caption { font-size: 9px; }
  .hero-copy { padding-left: 18px; padding-right: 18px; }
  .topic-grid { grid-template-columns: 1fr; }
  .topic-card { min-height: 120px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }