:root {
  --ink: #eaf8ff;
  --muted: #91acc2;
  --bg: #0b1c3e;
  --panel: rgba(10, 35, 68, .74);
  --line: rgba(116, 205, 226, .18);
  --cyan: #49e0d0;
  --blue: #4ca7ff;
  --amber: #f4c56d;
  --danger: #ff8f8f;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(1200px 900px at 18% 6%, #1c3f7a 0%, transparent 64%),
    radial-gradient(900px 760px at 86% 20%, #123a60 0%, transparent 62%),
    linear-gradient(160deg, #0a1a3a 0%, #0e2452 52%, #153a6b 100%);
  background-attachment: fixed;
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .24;
  background-image: linear-gradient(rgba(112, 189, 222, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(112, 189, 222, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, #000, transparent 86%);
}
main, .site-header, .site-footer { position: relative; z-index: 2; }
.guide-particles { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .72; }
.guide-glow { position: fixed; z-index: 0; width: 34vw; height: 34vw; min-width: 280px; min-height: 280px; border-radius: 50%; filter: blur(72px); opacity: .18; pointer-events: none; animation: glow-drift 18s ease-in-out infinite alternate; }
.glow-one { left: -9vw; top: 8vh; background: #1e87e8; }
.glow-two { right: -10vw; top: 28vh; background: #20c7bd; animation-delay: -6s; }
.glow-three { left: 38vw; bottom: -18vw; background: #3569d8; animation-delay: -11s; }
@keyframes glow-drift { from { transform: translate3d(-2%, -1%, 0) scale(.92); } to { transform: translate3d(5%, 4%, 0) scale(1.08); } }
a { color: inherit; }
button, select { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 22, 52, .84);
  backdrop-filter: blur(18px);
}
.nav-shell {
  max-width: var(--max);
  height: 66px;
  margin: auto;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.brand { text-decoration: none; font-weight: 800; letter-spacing: .11em; white-space: nowrap; }
.brand span { color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .94rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.lang-switch { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; }
.lang-switch button { border: 0; border-radius: 999px; padding: 5px 10px; color: var(--muted); background: transparent; cursor: pointer; }
.lang-switch button.active { color: #012423; background: var(--cyan); font-weight: 800; }
.menu-toggle { display: none; border: 1px solid var(--line); color: var(--ink); background: transparent; border-radius: 8px; padding: 6px 10px; }

.hero, .country-hero { max-width: var(--max); margin: auto; padding: 56px 22px 22px; }
.eyebrow { color: var(--cyan); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 10px 0 16px; font-size: clamp(2.35rem, 5.5vw, 5rem); line-height: 1.04; letter-spacing: -.045em; }
.hero-copy { color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.35rem); max-width: 640px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(420px, 1.18fr); align-items: center; min-height: calc(100vh - 150px); gap: 34px; }
.route-line { margin-top: 30px; display: flex; gap: 10px; flex-wrap: wrap; color: #b8d5e5; font-size: .9rem; }
.route-line span { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; background: rgba(8, 34, 58, .52); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 18px; border-radius: 10px; border: 1px solid var(--line); background: rgba(10, 35, 61, .72); text-decoration: none; font-weight: 750; cursor: pointer; color: var(--ink); }
.button.primary { color: #002728; border-color: transparent; background: linear-gradient(100deg, var(--cyan), #84f0e5); box-shadow: 0 12px 34px rgba(73, 224, 208, .18); }
.button:hover { transform: translateY(-1px); }

.globe-stage { position: relative; aspect-ratio: 1; min-height: 420px; max-height: 680px; }
#globe { width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
#globe:active { cursor: grabbing; }
.globe-hint { position: absolute; left: 50%; bottom: 3%; transform: translateX(-50%); color: var(--muted); font-size: .8rem; white-space: nowrap; }
.globe-card {
  position: absolute;
  width: min(270px, 72vw);
  padding: 16px;
  border: 1px solid rgba(77, 224, 208, .38);
  border-radius: 14px;
  background: rgba(4, 20, 36, .94);
  box-shadow: 0 18px 48px rgba(0, 0, 0, .42);
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: .18s ease;
}
.globe-card.visible { opacity: 1; transform: translateY(0); }
.globe-card strong { display: block; font-size: 1.08rem; }
.globe-card span { color: var(--muted); font-size: .86rem; }
.globe-card b { display: block; margin-top: 8px; color: var(--cyan); font-size: .82rem; }

.section { max-width: var(--max); margin: auto; padding: 76px 22px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 26px; }
.section h2 { font-size: clamp(1.75rem, 3.2vw, 2.65rem); line-height: 1.2; margin-bottom: 8px; }
.section-intro { color: var(--muted); max-width: 660px; }
.country-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.country-card { position: relative; overflow: hidden; min-height: 220px; padding: 22px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(145deg, rgba(11, 39, 68, .9), rgba(5, 21, 38, .72)); text-decoration: none; transition: .25s ease; }
.country-card::after { content: ""; position: absolute; width: 130px; height: 130px; right: -55px; bottom: -60px; border-radius: 50%; background: radial-gradient(circle, rgba(73,224,208,.23), transparent 68%); }
.country-card:hover { border-color: rgba(73,224,208,.62); transform: translateY(-4px); }
.flag { font-size: 1.85rem; }
.country-card h3 { margin: 10px 0 6px; font-size: 1.12rem; }
.country-card p { color: var(--muted); font-size: .9rem; flex: 1; }
.updated { color: #7493a9; font-size: .75rem; }
.card-link { color: var(--cyan); font-size: .88rem; font-weight: 800; }

.compare-paths { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.path-card { border-top: 2px solid var(--cyan); padding: 24px 20px; background: var(--panel); border-radius: 0 0 14px 14px; }
.path-card span { color: var(--cyan); font: 700 .78rem/1 monospace; }
.path-card h3 { margin: 16px 0 8px; }
.path-card p { color: var(--muted); font-size: .9rem; }

.country-hero { padding-top: 76px; }
.country-hero-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 24px; align-items: end; }
.country-hero-grid > *, .dashboard > * { min-width: 0; }
.country-hero h1 { font-size: clamp(2.5rem, 6vw, 4.7rem); }
.judgment { font-size: clamp(1.08rem, 2.2vw, 1.35rem); max-width: 760px; color: #c6deeb; }
.dashboard { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.metric { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.metric span { display: block; color: var(--muted); font-size: .78rem; }
.metric strong { font-size: 1.05rem; }
.metric strong, .judgment, .section-intro { overflow-wrap: anywhere; }
.risk-banner { margin-top: 28px; padding: 16px 18px; border-left: 3px solid var(--amber); background: rgba(244,197,109,.08); color: #f5dfb4; }
.risk-banner ul { margin-bottom: 0; }

.quick-section { padding-top: 46px; padding-bottom: 42px; }
.fact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; }
.fact-card { min-height: 210px; padding: 20px; display: flex; flex-direction: column; border: 1px solid rgba(111, 209, 232, .22); border-radius: 15px; background: linear-gradient(150deg, rgba(17, 57, 101, .88), rgba(8, 28, 58, .7)); box-shadow: 0 16px 42px rgba(2, 10, 28, .18); }
.fact-card > span { color: #9ebbd0; font-size: .79rem; font-weight: 700; letter-spacing: .04em; }
.fact-card strong { display: block; margin: 9px 0 10px; color: #f1fdff; font-size: 1.28rem; line-height: 1.3; }
.fact-card p { flex: 1; margin-bottom: 13px; color: #b5ccdd; font-size: .86rem; line-height: 1.65; }
.fact-card a { color: var(--cyan); font-size: .78rem; font-weight: 750; text-decoration: none; }
.fact-card:hover { border-color: rgba(73, 224, 208, .58); transform: translateY(-2px); }

.flow { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; counter-reset: flow; }
.flow a { position: relative; min-height: 104px; padding: 16px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); text-decoration: none; font-size: .86rem; }
.flow a::before { counter-increment: flow; content: "0" counter(flow); display: block; color: var(--cyan); font: 700 .75rem/1 monospace; margin-bottom: 10px; }
.flow a:not(:last-child)::after { content: "→"; position: absolute; right: -10px; top: 40%; z-index: 2; color: var(--cyan); }

.modules { display: grid; gap: 14px; }
.module { scroll-margin-top: 90px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); overflow: hidden; }
.module summary { list-style: none; display: grid; grid-template-columns: 52px 1fr auto; gap: 12px; align-items: center; padding: 20px; cursor: pointer; }
.module summary::-webkit-details-marker { display: none; }
.module-no { color: var(--cyan); font: 700 .8rem/1 monospace; }
.module summary h3 { margin: 0; font-size: 1.1rem; }
.module summary p { margin: 4px 0 0; color: var(--muted); font-size: .88rem; }
.module summary::after { content: "+"; color: var(--cyan); font-size: 1.5rem; }
.module[open] summary::after { content: "−"; }
.module-body { padding: 0 20px 22px 84px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 26px; }
.module-body h4 { margin: 0 0 10px; color: #bfeef0; }
.module-body ol { margin: 0; padding-left: 20px; color: #b7cddd; }
.rule-list { margin: 0 0 22px; padding-left: 20px; color: #d4e8f2; }
.rule-list li + li { margin-top: 9px; }
.source-list { display: grid; gap: 8px; }
.source-link { display: block; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--cyan); text-decoration: none; font-size: .86rem; }
.source-link:hover { background: rgba(73,224,208,.07); }
.tags { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 14px; }
.tag { padding: 4px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
.tag.official { color: #9ef3d5; border-color: rgba(73,224,208,.35); }
.tag.risk { color: #ffd59b; border-color: rgba(244,197,109,.35); }

.question-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.question { padding: 16px; border-left: 2px solid var(--blue); background: rgba(8, 31, 54, .72); color: #c1d7e5; }

.compare-controls { position: sticky; top: 66px; z-index: 20; padding: 14px; display: flex; flex-wrap: wrap; gap: 8px; border: 1px solid var(--line); border-radius: 14px; background: rgba(4, 16, 30, .94); backdrop-filter: blur(14px); }
.compare-controls label { cursor: pointer; }
.compare-controls input { position: absolute; opacity: 0; }
.compare-controls span { display: block; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.compare-controls input:checked + span { color: #002625; background: var(--cyan); border-color: var(--cyan); font-weight: 800; }
.compare-note { width: 100%; color: var(--muted); font-size: .82rem; }
.compare-hero { padding-bottom: 34px; }
.compare-workspace { padding-top: 32px; }
.compare-country-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; }
.compare-country-card { min-width: 0; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(145deg, rgba(15, 48, 87, .88), rgba(5, 22, 43, .76)); }
.compare-country-title { display: flex; gap: 12px; align-items: center; }
.compare-country-title > span { font-size: 1.7rem; }
.compare-country-title h3 { margin: 0; font-size: 1.12rem; }
.compare-country-title small { color: var(--muted); }
.compare-country-card p { margin: 16px 0; color: #c5dce9; font-size: .9rem; }
.compare-country-card ul { min-height: 94px; margin: 0 0 16px; padding-left: 18px; color: var(--muted); font-size: .84rem; }
.compare-country-card a, .compare-guide-link { color: var(--cyan); font-size: .84rem; font-weight: 800; text-decoration: none; }
.compare-section { padding-top: 48px; }
.compare-table-wrap { box-shadow: 0 22px 58px rgba(1, 10, 29, .2); }
.comparison-table { min-width: 920px; }
.comparison-table th:first-child, .comparison-table td:first-child { position: sticky; left: 0; z-index: 2; width: 178px; }
.comparison-table th:first-child { z-index: 4; }
.comparison-table td:first-child { background: rgba(8, 33, 59, .97); }
.compare-value { display: block; color: #f3fdff; font-size: 1.03rem; line-height: 1.35; }
.compare-sub { display: block; margin-top: 7px; color: var(--muted); font-size: .8rem; line-height: 1.55; }
.compare-source { display: inline-block; margin-top: 9px; color: var(--cyan); font-size: .76rem; text-decoration: none; }
.dimension-no { display: block; margin-bottom: 5px; color: var(--cyan); font: 700 .72rem/1 monospace; }
.operating-table td:not(:first-child) { color: #c3d9e7; font-size: .88rem; }
.compare-source-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.compare-source-grid > article { min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: var(--panel); }
.compare-source-grid h3 { margin-bottom: 14px; }
.compare-guide-link { display: inline-block; margin-top: 14px; }
.table-wrap { overflow-x: auto; margin-top: 20px; border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; min-width: 760px; border-collapse: collapse; background: rgba(5, 22, 40, .78); }
th, td { text-align: left; vertical-align: top; padding: 16px; border-bottom: 1px solid var(--line); }
th { color: var(--cyan); background: rgba(9, 38, 65, .94); }
td:first-child { width: 160px; color: #cbe7f2; font-weight: 700; }

.notice { padding: 18px; border: 1px solid rgba(244,197,109,.28); border-radius: 12px; background: rgba(244,197,109,.06); color: #dbcba9; }
.site-footer { max-width: var(--max); margin: 30px auto 0; padding: 34px 22px 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; display: flex; justify-content: space-between; gap: 24px; }

@media (max-width: 960px) {
  .hero-grid, .country-hero-grid { grid-template-columns: 1fr; }
  .hero-grid { padding-top: 48px; }
  .globe-stage { min-height: 360px; max-width: 620px; width: 100%; margin: auto; }
  .country-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-paths { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(4, 1fr); }
  .fact-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-country-grid, .compare-source-grid { grid-template-columns: 1fr; }
  .flow a::after { display: none; }
}

@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; left: 12px; right: 12px; top: 60px; padding: 16px; flex-direction: column; align-items: stretch; border: 1px solid var(--line); border-radius: 14px; background: #06162a; }
  .nav-links.open { display: flex; }
  .nav-links .lang-switch { align-self: flex-start; }
  .hero, .country-hero { padding-top: 34px; }
  .hero-grid { min-height: auto; }
  .globe-stage { min-height: 330px; }
  .country-grid, .compare-paths, .question-list, .fact-grid { grid-template-columns: 1fr; }
  .country-card { min-height: 180px; }
  .section { padding-top: 54px; padding-bottom: 54px; }
  .section-head { display: block; }
  .flow { display: flex; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
  .flow a { min-width: 160px; scroll-snap-align: start; }
  .module summary { grid-template-columns: 42px 1fr auto; padding: 17px 14px; }
  .module-body { padding: 0 14px 18px 56px; grid-template-columns: 1fr; }
  .dashboard { grid-template-columns: 1fr; }
  .fact-card { min-height: 0; }
  .compare-controls { top: 60px; }
  .compare-country-card ul { min-height: 0; }
  .comparison-table { min-width: 820px; }
  .site-footer { flex-direction: column; }
}

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

/* 主站导航配色、品牌字号与位置；指南正文主题保持。 */
.site-header{background:rgba(10,22,40,.92);border-bottom:1px solid rgba(255,255,255,.12);backdrop-filter:blur(12px);font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif}
.nav-shell{max-width:1200px;height:64px;padding:0 24px}
.brand{font-size:1.4rem;font-weight:700;line-height:1.8;color:#eaf4ff;letter-spacing:2px}.brand span{color:#3fc9e0}.brand small{font-size:.95rem;letter-spacing:0;margin-left:6px;color:#a9c4e6;font-weight:500}
.nav-links{gap:32px}.nav-links a{color:#a9c4e6;font-size:.95rem;font-weight:500;line-height:1}.nav-links a:hover,.nav-links a.active,.nav-links a[aria-current="page"]{color:#eaf4ff}
.lang-switch button,.menu-toggle{color:#a9c4e6}.lang-switch button.active{color:#000}.nav-links.open{background:rgba(10,22,40,.98)}
@media(max-width:640px){.nav-shell{padding:0 24px}.brand small{font-size:.78rem;margin-left:3px}.brand{letter-spacing:2px}}

/* Claim-specific evidence: policy dates are distinct from page updates. */
.review-status{display:inline-block;font-size:.78rem;padding:4px 10px;border-radius:14px;background:rgba(63,201,224,.12);color:#8fe6f2;border:1px solid rgba(63,201,224,.3)}
.review-status.pending,.review-status.official_excerpt{background:rgba(245,198,111,.12);color:#f5d498;border-color:rgba(245,198,111,.3)}
.review-meta{margin:12px 0;overflow-wrap:anywhere}.review-meta dl{font-size:.8rem;line-height:1.65;color:var(--text-muted,#a9c4e6);margin:8px 0}.review-meta dt{font-weight:650;margin-top:6px}.review-meta dd{margin:0}.policy-claim{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14)}.policy-claim h5{font-size:.94rem;margin:0 0 8px}.policy-claim p{line-height:1.7}.pending-copy{color:#f5d498}.fact-card{min-width:0}.fact-card .review-status{font-size:.75rem}.fact-card .source-link,.compare-source,.module .source-link{min-height:44px;display:inline-flex;align-items:center;overflow-wrap:anywhere}.fact-card .review-meta strong{font-size:inherit}.review-notice{line-height:1.8}.compare-source-grid .source-link{display:flex}.comparison-table .review-meta{white-space:normal}.module summary h3,.module summary p{overflow-wrap:anywhere}

/* Singapore pilot: concise country navigation, optional depth, shared-source deep read. */
.snapshot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.snapshot-card{display:block;padding:20px;border:1px solid rgba(143,230,242,.3);border-radius:18px;background:rgba(25,62,105,.4);color:inherit;text-decoration:none;overflow-wrap:anywhere}.snapshot-card strong{color:#8fe6f2}.snapshot-card p{line-height:1.7}.snapshot-card span,.maintenance-copy{color:#afc6e3;font-size:.86rem;line-height:1.8}.claim-depth{margin:12px 0;padding:0 12px;border:1px solid rgba(143,230,242,.25);border-radius:12px}.claim-depth>summary{display:block!important;min-height:44px;padding:12px 0!important;cursor:pointer;color:#8fe6f2;font-size:.84rem}.claim-depth>summary::before{content:'＋ ';}.claim-depth[open]>summary::before{content:'− ';}.claim-depth h6{font-size:.88rem;margin:12px 0}.claim-depth li{line-height:1.8}.topic-card{scroll-margin-top:100px}.deep-read{max-width:1180px;margin:auto;padding:0 28px}.deep-topic{padding:24px;margin:20px 0;border:1px solid rgba(143,230,242,.25);border-radius:18px;background:rgba(25,62,105,.25);scroll-margin-top:100px;overflow-wrap:anywhere}.deep-topic p,.deep-topic li{line-height:1.8}.deep-meta{font-size:.86rem;color:#afc6e3}.deep-meta dt{font-weight:700;margin-top:10px}.deep-meta dd{margin:4px 0}.snapshot-card:focus-visible,.claim-depth summary:focus-visible{outline:3px solid #8fe6f2;outline-offset:4px}.deep-read .flow{flex-wrap:wrap}.deep-read h1{font-size:clamp(2rem,5vw,3.2rem)}
@media(max-width:640px){.snapshot-grid{grid-template-columns:1fr}.deep-read{padding:0 16px}.deep-topic{padding:18px}.sg-snapshot .hero-actions .button{width:100%}.claim-depth{padding:0 8px}}
@media print{.guide-particles,.guide-glow,.site-header,.site-footer,.hero-actions button{display:none!important}.deep-read{max-width:none;padding:0}.deep-topic{break-inside:avoid;background:white;color:#111;border-color:#777}.deep-meta,.deep-topic .source-link,.deep-read .notice{color:#111}.deep-read a{color:#111}.deep-read .section{padding:12px 0}.deep-read{color:#111}body{background:white!important}}