/* ============================================================
   威廉希尔官网 · 共享 Site Kit
   视觉母题：蓝图网格 × 刊头 × 展览标签
   ============================================================ */

:root {
  --c-navy: #0D1B2A;
  --c-royal: #1B263B;
  --c-gold: #C9A96A;
  --c-gold-deep: #B8914E;
  --c-crimson: #8B0000;
  --c-crimson-soft: #E8A2A2;
  --c-cream: #F4E4C1;
  --c-pale-gold: #E0C68C;
  --c-charcoal: #2C3E50;
  --c-off-white: #F8F9FA;
  --font-headline: "Playfair Display", "Songti SC", "Noto Serif CJK SC", "SimSun", Georgia, serif;
  --font-body: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --content-width: 1260px;
  --content-narrow: 820px;
  --radius: 2px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-card: 0 18px 45px rgba(0, 0, 0, 0.28);
  --line: rgba(224, 198, 140, 0.24);
  --line-soft: rgba(224, 198, 140, 0.14);
}

/* ---------- Reset & Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-cream);
  background-color: var(--c-navy);
  background-image: radial-gradient(ellipse 70% 45% at 88% -5%, rgba(201, 169, 106, 0.12), transparent 60%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(201, 169, 106, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 169, 106, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.18;
  color: var(--c-cream);
  margin: 0 0 0.5em;
  text-wrap: balance;
}

p {
  margin: 0 0 1.15em;
}

a {
  color: var(--c-gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--c-pale-gold);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  padding-left: 1.4em;
}

figure {
  margin: 0;
}

main {
  display: block;
}

[hidden] {
  display: none !important;
}

::selection {
  background: rgba(201, 169, 106, 0.35);
  color: #ffffff;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
  border-radius: var(--radius);
}

#main-content:focus,
:target {
  scroll-margin-top: 90px;
}

/* ---------- Skip Link ---------- */

.skip-link {
  position: fixed;
  top: -60px;
  left: 1rem;
  z-index: 2000;
  background: var(--c-gold);
  color: var(--c-navy);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  padding: 0.75em 1.2em;
  border-radius: var(--radius);
  transition: top 0.25s var(--ease);
}

.skip-link:focus-visible {
  top: 1rem;
}

/* ---------- Scroll Progress ---------- */

.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 1500;
  pointer-events: none;
}

.page-progress__bar {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--c-gold), var(--c-pale-gold), var(--c-crimson));
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ---------- Masthead / Header ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(13, 27, 42, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.masthead__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1rem 2.5rem 0.9rem;
  position: relative;
}

.masthead__top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
}

.masthead__kicker,
.masthead__edition {
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--c-pale-gold);
  text-transform: uppercase;
  margin: 0;
  white-space: nowrap;
}

.masthead__kicker {
  justify-self: start;
}

.masthead__edition {
  justify-self: end;
}

.masthead__brand {
  display: inline-grid;
  justify-items: center;
  text-decoration: none;
  line-height: 1.2;
  padding: 0.1rem 0.4rem;
}

.masthead__brand-row {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
}

.masthead__mark {
  width: 8px;
  height: 8px;
  display: inline-block;
  transform: rotate(45deg);
  border: 1px solid var(--c-gold);
  opacity: 0.9;
  flex: none;
}

.masthead__brand-cn {
  font-family: var(--font-headline);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.masthead__brand-en {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.58rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(244, 228, 193, 0.55);
  white-space: nowrap;
}

.masthead__toggle {
  display: none;
  position: absolute;
  top: 1.15rem;
  right: 1.25rem;
  z-index: 5;
  align-items: center;
  gap: 0.55em;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--c-cream);
  padding: 0.55em 0.85em;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.masthead__toggle-box {
  display: inline-grid;
  gap: 4px;
  width: 14px;
}

.masthead__toggle-line {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.masthead__toggle.is-active .masthead__toggle-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.masthead__toggle.is-active .masthead__toggle-line:nth-child(2) {
  opacity: 0;
}

.masthead__toggle.is-active .masthead__toggle-line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.masthead__nav {
  border-top: 1px solid var(--line-soft);
  margin-top: 0.9rem;
  padding-top: 0.35rem;
}

.masthead__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.masthead__link {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--c-cream);
  text-decoration: none;
  padding: 0.5em 1.1em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.masthead__link:hover {
  color: var(--c-gold);
  border-color: rgba(201, 169, 106, 0.4);
}

.masthead__link[aria-current="page"] {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-navy);
  font-weight: 600;
}

/* ---------- Footer ---------- */

.site-footer {
  background: linear-gradient(165deg, #1B263B 0%, #0D1B2A 55%, #081220 100%);
  border-top: 2px solid var(--c-gold);
  color: var(--c-cream);
  margin-top: clamp(3rem, 6vw, 5rem);
}

.site-footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 4rem 2.5rem 2.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.site-footer__brand {
  font-family: var(--font-headline);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: 0.16em;
  margin: 0 0 0.8rem;
}

.site-footer__desc {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(244, 228, 193, 0.72);
  max-width: 36em;
  margin: 0 0 1.3rem;
}

.site-footer__contact,
.site-footer__addr {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-pale-gold);
  margin: 0 0 0.4rem;
}

.site-footer__title {
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin: 0 0 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.site-footer__link {
  color: rgba(244, 228, 193, 0.72);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 0.25s var(--ease), letter-spacing 0.25s var(--ease);
}

.site-footer__link:hover {
  color: var(--c-gold);
  letter-spacing: 0.04em;
}

.site-footer__bottom {
  border-top: 1px solid var(--line-soft);
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.4rem 2.5rem 2.4rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(244, 228, 193, 0.62);
}

.site-footer__icp,
.site-footer__copyright {
  margin: 0;
}

/* ---------- Layout Helpers ---------- */

.container {
  width: min(var(--content-width), 100%);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.container--narrow {
  max-width: var(--content-narrow);
}

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section--light {
  background: var(--c-off-white);
  color: var(--c-charcoal);
}

.section--light h1,
.section--light h2,
.section--light h3 {
  color: var(--c-navy);
}

.section--light .prose {
  color: rgba(44, 62, 80, 0.86);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--c-pale-gold), transparent);
  margin: 2.8rem 0;
}

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  margin: 0 0 2rem;
}

.breadcrumb__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  color: rgba(244, 228, 193, 0.55);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "∕";
  margin: 0 0.55rem;
  color: var(--c-gold);
}

.breadcrumb__link {
  color: inherit;
  text-decoration: none;
}

.breadcrumb__link:hover {
  color: var(--c-gold);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--c-gold);
}

/* ---------- Title Block & Section Heading ---------- */

.title-block {
  margin-bottom: 2.5rem;
}

.title-block__tag {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 0.7rem;
}

.title-block__title {
  font-family: var(--font-headline);
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  line-height: 1.12;
  margin: 0;
}

.title-block__lead {
  font-size: 1rem;
  max-width: 44em;
  color: rgba(244, 228, 193, 0.74);
  margin-top: 1.1rem;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.4rem;
}

.section-heading__index {
  font-family: var(--font-headline);
  font-style: italic;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--c-gold);
  white-space: nowrap;
}

.section-heading__title {
  font-family: var(--font-headline);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin: 0;
  white-space: nowrap;
}

.section-heading__rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(224, 198, 140, 0.5), rgba(224, 198, 140, 0));
}

/* ---------- Prose ---------- */

.prose {
  font-size: 0.95rem;
  line-height: 1.9;
}

.prose p {
  margin-bottom: 1.4em;
}

.prose h2 {
  font-size: 1.7rem;
  margin-top: 2.4em;
  padding-bottom: 0.4em;
  border-bottom: 1px solid var(--line-soft);
}

.prose h3 {
  font-size: 1.25rem;
  margin-top: 2em;
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose ul,
.prose ol {
  margin-bottom: 1.4em;
}

.prose li {
  margin-bottom: 0.45em;
}

.prose blockquote {
  border-left: 3px solid var(--c-gold);
  background: rgba(27, 38, 59, 0.5);
  margin: 1.8em 0;
  padding: 1.2em 1.5em;
  font-style: italic;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 0.95em 1.9em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-decoration: none;
  line-height: 1;
  cursor: pointer;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.btn--gold {
  background: linear-gradient(135deg, #d8b771 0%, var(--c-gold) 60%, var(--c-gold-deep) 100%);
  color: var(--c-navy);
  box-shadow: 0 6px 18px rgba(201, 169, 106, 0.18);
}

.btn--gold:hover {
  color: var(--c-navy);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(201, 169, 106, 0.3);
}

.btn--ghost {
  border-color: var(--c-pale-gold);
  color: var(--c-gold);
  background: transparent;
}

.btn--ghost:hover {
  background: rgba(201, 169, 106, 0.1);
  border-color: var(--c-gold);
  color: var(--c-gold);
  transform: translateY(-2px);
}

.btn--block {
  display: flex;
  width: 100%;
}

/* ---------- Badges ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  padding: 0.45em 0.9em;
  border-radius: var(--radius);
  text-transform: uppercase;
  white-space: nowrap;
}

.badge--gold {
  background: rgba(201, 169, 106, 0.16);
  color: var(--c-gold);
  border: 1px solid rgba(201, 169, 106, 0.4);
}

.badge--crimson {
  background: rgba(139, 0, 0, 0.2);
  color: var(--c-crimson-soft);
  border: 1px solid rgba(139, 0, 0, 0.6);
}

.badge--cream {
  background: rgba(244, 228, 193, 0.1);
  color: var(--c-cream);
  border: 1px solid rgba(244, 228, 193, 0.25);
}

/* ---------- Cards ---------- */

.card {
  position: relative;
  background: linear-gradient(160deg, rgba(27, 38, 59, 0.95), rgba(13, 27, 42, 0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(201, 169, 106, 0.45);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.34);
}

.card::before {
  content: attr(data-index);
  position: absolute;
  top: -10px;
  right: 18px;
  font-family: var(--font-headline);
  font-size: 3rem;
  line-height: 1;
  color: rgba(201, 169, 106, 0.16);
  pointer-events: none;
}

.card--light {
  background: #ffffff;
  border-color: rgba(44, 62, 80, 0.16);
  color: var(--c-charcoal);
  box-shadow: 0 14px 34px rgba(13, 27, 42, 0.08);
}

.card--light:hover {
  border-color: rgba(201, 169, 106, 0.6);
  box-shadow: 0 18px 40px rgba(13, 27, 42, 0.12);
}

.card--light .card__title {
  color: var(--c-navy);
}

.card--light .card__body {
  color: rgba(44, 62, 80, 0.78);
}

.card__index {
  display: block;
  font-family: var(--font-headline);
  font-style: italic;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--c-gold);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.card__title {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
}

.card__body {
  font-size: 0.88rem;
  line-height: 1.75;
  opacity: 0.86;
}

.card__link {
  margin-top: 1.2rem;
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  border-bottom: 1px solid var(--c-gold);
  padding-bottom: 0.15em;
}

/* ---------- Horizontal Scroll Panel ---------- */

.h-scroll {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 78%;
  gap: 1.25rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  padding: 1.25rem 0.25rem 1.75rem;
  scrollbar-width: thin;
  scrollbar-color: var(--c-gold) rgba(27, 38, 59, 0.6);
}

.h-scroll > * {
  scroll-snap-align: start;
}

.h-scroll::-webkit-scrollbar {
  height: 6px;
}

.h-scroll::-webkit-scrollbar-track {
  background: rgba(27, 38, 59, 0.6);
}

.h-scroll::-webkit-scrollbar-thumb {
  background: var(--c-gold);
  border-radius: 3px;
}

/* ---------- Table ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 640px;
}

.table th,
.table td {
  padding: 0.9em 1.1em;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}

.table thead th {
  background: rgba(27, 38, 59, 0.9);
  color: var(--c-gold);
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line);
}

.table tbody tr:hover {
  background: rgba(201, 169, 106, 0.06);
}

.table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- Stat ---------- */

.stat {
  border-left: 2px solid var(--c-gold);
  padding: 0.2rem 0 0.2rem 1.2rem;
}

.stat__value {
  display: block;
  font-family: var(--font-headline);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
  margin: 0;
}

.stat__label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(244, 228, 193, 0.6);
  margin-top: 0.45rem;
}

/* ---------- Fold / Accordion ---------- */

.fold {
  border: 1px solid var(--line);
  background: rgba(27, 38, 59, 0.55);
  border-radius: var(--radius);
}

.fold + .fold {
  margin-top: -1px;
}

.fold__head {
  width: 100%;
  background: transparent;
  border: 0;
  color: var(--c-cream);
  font-family: var(--font-headline);
  font-size: 1rem;
  text-align: left;
  padding: 1.1em 1.3em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
}

.fold__head::after {
  content: "+";
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--c-gold);
  transition: transform 0.3s var(--ease);
  flex: none;
}

.fold[data-open] .fold__head::after {
  transform: rotate(45deg);
}

.fold__body {
  padding: 0 1.3em 1.2em;
  display: none;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(244, 228, 193, 0.78);
}

.fold[data-open] .fold__body {
  display: block;
}

/* ---------- Image Frames ---------- */

.img-frame,
.img-frame--wide,
.img-frame--portrait {
  position: relative;
  overflow: hidden;
  background: var(--c-royal);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.img-frame {
  aspect-ratio: 16 / 9;
}

.img-frame--wide {
  aspect-ratio: 21 / 9;
}

.img-frame--portrait {
  aspect-ratio: 4 / 5;
}

.img-frame::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(224, 198, 140, 0.3);
  pointer-events: none;
  z-index: 1;
}

.img-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  background: var(--c-navy);
  color: var(--c-gold);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  padding: 0.45em 1em;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-radius: 0 var(--radius) 0 0;
  margin: 0;
}

/* ---------- Scroll Spy ---------- */

.spy {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.spy__link {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: rgba(244, 228, 193, 0.6);
  padding: 0.35em 0.9em;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.spy__link:hover {
  color: var(--c-gold);
  border-color: var(--c-gold);
}

.spy__link.is-active {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-navy);
  font-weight: 600;
}

/* ---------- Reveal Motion ---------- */

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */

@media (min-width: 768px) and (max-width: 991px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767.98px) {
  .masthead__inner {
    padding: 0.85rem 1.25rem;
  }

  .masthead__top {
    grid-template-columns: 1fr;
    gap: 0.2rem;
    text-align: center;
  }

  .masthead__kicker,
  .masthead__edition {
    display: none;
  }

  .masthead__brand {
    justify-self: center;
  }

  .masthead__brand-cn {
    font-size: 1.3rem;
  }

  .masthead__brand-en {
    font-size: 0.5rem;
    letter-spacing: 0.28em;
  }

  .masthead__toggle {
    display: inline-flex;
  }

  .masthead__nav {
    display: none;
    margin: 0.85rem -1.25rem -0.85rem;
    background: linear-gradient(180deg, #0e1d2e 0%, #0D1B2A 100%);
  }

  .masthead__nav[data-open] {
    display: block;
    border-top: 1px solid var(--line-soft);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.32);
  }

  .masthead__list {
    flex-direction: column;
    gap: 0;
    padding: 0.4rem 1.25rem 0.7rem;
  }

  .masthead__item + .masthead__item {
    border-top: 1px solid var(--line-soft);
  }

  .masthead__link {
    display: block;
    padding: 0.8rem 0.4rem;
    text-align: left;
    font-size: 0.85rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    padding: 3rem 1.5rem 2rem;
    gap: 2.2rem;
  }

  .site-footer__bottom {
    padding: 1.2rem 1.5rem 2rem;
    flex-direction: column;
  }

  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .split {
    grid-template-columns: 1fr;
  }

  .h-scroll {
    grid-auto-columns: 85%;
  }

  .section-heading {
    gap: 0.65rem;
  }

  .section-heading__title {
    white-space: normal;
  }
}

@media (max-width: 520px) {
  .btn--gold,
  .btn--ghost {
    width: 100%;
  }
}

/* ---------- Reduced Motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js-enabled .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .card:hover,
  .btn--gold:hover,
  .btn--ghost:hover {
    transform: none;
  }
}